Esempio n. 1
0
int OGRCSVDataSource::Open( const char * pszFilename, int bUpdateIn,
                            int bForceOpen )

{
    pszName = CPLStrdup( pszFilename );
    bUpdate = bUpdateIn;

    if (bUpdateIn && bForceOpen && EQUAL(pszFilename, "/vsistdout/"))
        return TRUE;

    /* For writable /vsizip/, do nothing more */
    if (bUpdateIn && bForceOpen && strncmp(pszFilename, "/vsizip/", 8) == 0)
        return TRUE;

    CPLString osFilename(pszFilename);
    CPLString osBaseFilename = CPLGetFilename(pszFilename);
    CPLString osExt = GetRealExtension(osFilename);
    pszFilename = NULL;

    int bIgnoreExtension = EQUALN(osFilename, "CSV:", 4);
    int bUSGeonamesFile = FALSE;
    int bGeonamesOrgFile = FALSE;
    if (bIgnoreExtension)
    {
        osFilename = osFilename + 4;
    }

    /* Those are *not* real .XLS files, but text file with tab as column separator */
    if (EQUAL(osBaseFilename, "NfdcFacilities.xls") ||
        EQUAL(osBaseFilename, "NfdcRunways.xls") ||
        EQUAL(osBaseFilename, "NfdcRemarks.xls") ||
        EQUAL(osBaseFilename, "NfdcSchedules.xls"))
    {
        if (bUpdateIn)
            return FALSE;
        bIgnoreExtension = TRUE;
    }
    else if ((EQUALN(osBaseFilename, "NationalFile_", 13) ||
              EQUALN(osBaseFilename, "POP_PLACES_", 11) ||
              EQUALN(osBaseFilename, "HIST_FEATURES_", 14) ||
              EQUALN(osBaseFilename, "US_CONCISE_", 11) ||
              EQUALN(osBaseFilename, "AllNames_", 9) ||
              EQUALN(osBaseFilename, "Feature_Description_History_", 28) ||
              EQUALN(osBaseFilename, "ANTARCTICA_", 11) ||
              EQUALN(osBaseFilename, "GOVT_UNITS_", 11) ||
              EQUALN(osBaseFilename, "NationalFedCodes_", 17) ||
              EQUALN(osBaseFilename, "AllStates_", 10) ||
              EQUALN(osBaseFilename, "AllStatesFedCodes_", 18) ||
              (strlen(osBaseFilename) > 2 && EQUALN(osBaseFilename+2, "_Features_", 10)) ||
              (strlen(osBaseFilename) > 2 && EQUALN(osBaseFilename+2, "_FedCodes_", 10))) &&
             (EQUAL(osExt, "txt") || EQUAL(osExt, "zip")) )
    {
        if (bUpdateIn)
            return FALSE;
        bIgnoreExtension = TRUE;
        bUSGeonamesFile = TRUE;

        if (EQUAL(osExt, "zip") &&
            strstr(osFilename, "/vsizip/") == NULL )
        {
            osFilename = "/vsizip/" + osFilename;
        }
    }
    else if (EQUAL(osBaseFilename, "allCountries.txt") ||
             EQUAL(osBaseFilename, "allCountries.zip"))
    {
        if (bUpdateIn)
            return FALSE;
        bIgnoreExtension = TRUE;
        bGeonamesOrgFile = TRUE;

        if (EQUAL(osExt, "zip") &&
            strstr(osFilename, "/vsizip/") == NULL )
        {
            osFilename = "/vsizip/" + osFilename;
        }
    }

/* -------------------------------------------------------------------- */
/*      Determine what sort of object this is.                          */
/* -------------------------------------------------------------------- */
    VSIStatBufL sStatBuf;

    if( VSIStatExL( osFilename, &sStatBuf, VSI_STAT_NATURE_FLAG ) != 0 )
        return FALSE;

/* -------------------------------------------------------------------- */
/*      Is this a single CSV file?                                      */
/* -------------------------------------------------------------------- */
    if( VSI_ISREG(sStatBuf.st_mode)
        && (bIgnoreExtension || EQUAL(osExt,"csv") || EQUAL(osExt,"tsv")) )
    {
        if (EQUAL(CPLGetFilename(osFilename), "NfdcFacilities.xls"))
        {
            return OpenTable( osFilename, "ARP");
        }
        else if (EQUAL(CPLGetFilename(osFilename), "NfdcRunways.xls"))
        {
            OpenTable( osFilename, "BaseEndPhysical");
            OpenTable( osFilename, "BaseEndDisplaced");
            OpenTable( osFilename, "ReciprocalEndPhysical");
            OpenTable( osFilename, "ReciprocalEndDisplaced");
            return nLayers != 0;
        }
        else if (bUSGeonamesFile)
        {
            /* GNIS specific */
            if (EQUALN(osBaseFilename, "NationalFedCodes_", 17) ||
                EQUALN(osBaseFilename, "AllStatesFedCodes_", 18) ||
                EQUALN(osBaseFilename, "ANTARCTICA_", 11) ||
                (strlen(osBaseFilename) > 2 && EQUALN(osBaseFilename+2, "_FedCodes_", 10)))
            {
                OpenTable( osFilename, NULL, "PRIMARY");
            }
            else if (EQUALN(osBaseFilename, "GOVT_UNITS_", 11) ||
                     EQUALN(osBaseFilename, "Feature_Description_History_", 28))
            {
                OpenTable( osFilename, NULL, "");
            }
            else
            {
                OpenTable( osFilename, NULL, "PRIM");
                OpenTable( osFilename, NULL, "SOURCE");
            }
            return nLayers != 0;
        }

        return OpenTable( osFilename );
    }

/* -------------------------------------------------------------------- */
/*      Is this a single a ZIP file with only a CSV file inside ?       */
/* -------------------------------------------------------------------- */
    if( strncmp(osFilename, "/vsizip/", 8) == 0 &&
        EQUAL(osExt, "zip") &&
        VSI_ISREG(sStatBuf.st_mode) )
    {
        char** papszFiles = VSIReadDir(osFilename);
        if (CSLCount(papszFiles) != 1 ||
            !EQUAL(CPLGetExtension(papszFiles[0]), "CSV"))
        {
            CSLDestroy(papszFiles);
            return FALSE;
        }
        osFilename = CPLFormFilename(osFilename, papszFiles[0], NULL);
        CSLDestroy(papszFiles);
        return OpenTable( osFilename );
    }

/* -------------------------------------------------------------------- */
/*      Otherwise it has to be a directory.                             */
/* -------------------------------------------------------------------- */
    if( !VSI_ISDIR(sStatBuf.st_mode) )
        return FALSE;

/* -------------------------------------------------------------------- */
/*      Scan through for entries ending in .csv.                        */
/* -------------------------------------------------------------------- */
    int nNotCSVCount = 0, i;
    char **papszNames = CPLReadDir( osFilename );

    for( i = 0; papszNames != NULL && papszNames[i] != NULL; i++ )
    {
        CPLString oSubFilename = 
            CPLFormFilename( osFilename, papszNames[i], NULL );

        if( EQUAL(papszNames[i],".") || EQUAL(papszNames[i],"..") )
            continue;

        if (EQUAL(CPLGetExtension(oSubFilename),"csvt"))
            continue;

        if( VSIStatL( oSubFilename, &sStatBuf ) != 0 
            || !VSI_ISREG(sStatBuf.st_mode) )
        {
            nNotCSVCount++;
            continue;
        }

        if (EQUAL(CPLGetExtension(oSubFilename),"csv"))
        {
            if( !OpenTable( oSubFilename ) )
            {
                CPLDebug("CSV", "Cannot open %s", oSubFilename.c_str());
                nNotCSVCount++;
                continue;
            }
        }

        /* GNIS specific */
        else if ( strlen(papszNames[i]) > 2 &&
                  EQUALN(papszNames[i]+2, "_Features_", 10) &&
                  EQUAL(CPLGetExtension(papszNames[i]), "txt") )
        {
            int bRet = OpenTable( oSubFilename, NULL, "PRIM");
            bRet |= OpenTable( oSubFilename, NULL, "SOURCE");
            if ( !bRet )
            {
                CPLDebug("CSV", "Cannot open %s", oSubFilename.c_str());
                nNotCSVCount++;
                continue;
            }
        }
        /* GNIS specific */
        else if ( strlen(papszNames[i]) > 2 &&
                  EQUALN(papszNames[i]+2, "_FedCodes_", 10) &&
                  EQUAL(CPLGetExtension(papszNames[i]), "txt") )
        {
            if ( !OpenTable( oSubFilename, NULL, "PRIMARY") )
            {
                CPLDebug("CSV", "Cannot open %s", oSubFilename.c_str());
                nNotCSVCount++;
                continue;
            }
        }
        else
        {
            nNotCSVCount++;
            continue;
        }
    }

    CSLDestroy( papszNames );

/* -------------------------------------------------------------------- */
/*      We presume that this is indeed intended to be a CSV             */
/*      datasource if over half the files were .csv files.              */
/* -------------------------------------------------------------------- */
    return bForceOpen || nNotCSVCount < nLayers;
}
static
void OGR2SQLITE_ogr_geocode_reverse(sqlite3_context* pContext,
                                    int argc, sqlite3_value** argv)
{
    OGRSQLiteExtensionData* poModule =
                    (OGRSQLiteExtensionData*) sqlite3_user_data(pContext);

    double dfLon = 0.0, dfLat = 0.0;
    int iAfterGeomIdx = 0;
    int bGotLon = FALSE, bGotLat = FALSE;

    if( argc >= 2 )
    {
        dfLon = OGR2SQLITE_GetValAsDouble(argv[0], &bGotLon);
        dfLat = OGR2SQLITE_GetValAsDouble(argv[1], &bGotLat);
    }

    if( argc >= 3 && bGotLon && bGotLat &&
        sqlite3_value_type (argv[2]) == SQLITE_TEXT )
    {
        iAfterGeomIdx = 2;
    }
    else if( argc >= 2 && 
             sqlite3_value_type (argv[0]) == SQLITE_BLOB &&
             sqlite3_value_type (argv[1]) == SQLITE_TEXT )
    {
        OGRGeometry* poGeom = OGR2SQLITE_GetGeom(pContext, argc, argv, NULL);
        if( poGeom != NULL && wkbFlatten(poGeom->getGeometryType()) == wkbPoint )
        {
            OGRPoint* poPoint = (OGRPoint*) poGeom;
            dfLon = poPoint->getX();
            dfLat = poPoint->getY();
            delete poGeom;
        }
        else
        {
            delete poGeom;
            sqlite3_result_null (pContext);
            return;
        }
        iAfterGeomIdx = 1;
    }
    else
    {
        sqlite3_result_null (pContext);
        return;
    }

    const char* pszField = (const char*)sqlite3_value_text(argv[iAfterGeomIdx]);

    int i;
    char** papszOptions = NULL;
    for(i = iAfterGeomIdx + 1; i < argc; i++)
    {
        if( sqlite3_value_type (argv[i]) == SQLITE_TEXT )
        {
            papszOptions = CSLAddString(papszOptions,
                                        (const char*)sqlite3_value_text(argv[i]));
        }
    }

    OGRGeocodingSessionH hSession = poModule->GetGeocodingSession();
    if( hSession == NULL )
    {
        hSession = OGRGeocodeCreateSession(papszOptions);
        if( hSession == NULL )
        {
            sqlite3_result_null (pContext);
            CSLDestroy(papszOptions);
            return;
        }
        poModule->SetGeocodingSession(hSession);
    }

    if( strcmp(pszField, "raw") == 0 )
        papszOptions = CSLAddString(papszOptions, "RAW_FEATURE=YES");

    OGRLayerH hLayer = OGRGeocodeReverse(hSession, dfLon, dfLat, papszOptions);

    OGR2SQLITE_ogr_geocode_set_result(pContext, hLayer, pszField);

    CSLDestroy(papszOptions);

    return;
}
Esempio n. 3
0
void *GDALDeserializeRPCTransformer( CPLXMLNode *psTree )

{
    void *pResult;
    char **papszOptions = NULL;

/* -------------------------------------------------------------------- */
/*      Collect metadata.                                               */
/* -------------------------------------------------------------------- */
    char **papszMD = NULL;
    CPLXMLNode *psMDI, *psMetadata;
    GDALRPCInfo sRPC;

    psMetadata = CPLGetXMLNode( psTree, "Metadata" );

    if( psMetadata == NULL
        || psMetadata->eType != CXT_Element
        || !EQUAL(psMetadata->pszValue,"Metadata") )
        return NULL;
    
    for( psMDI = psMetadata->psChild; psMDI != NULL; 
         psMDI = psMDI->psNext )
    {
        if( !EQUAL(psMDI->pszValue,"MDI") 
            || psMDI->eType != CXT_Element 
            || psMDI->psChild == NULL 
            || psMDI->psChild->psNext == NULL 
            || psMDI->psChild->eType != CXT_Attribute
            || psMDI->psChild->psChild == NULL )
            continue;
        
        papszMD = 
            CSLSetNameValue( papszMD, 
                             psMDI->psChild->psChild->pszValue, 
                             psMDI->psChild->psNext->pszValue );
    }

    if( !GDALExtractRPCInfo( papszMD, &sRPC ) )
    {
        CPLError( CE_Failure, CPLE_AppDefined,
                  "Failed to reconstitute RPC transformer." );
        CSLDestroy( papszMD );
        return NULL;
    }

    CSLDestroy( papszMD );

/* -------------------------------------------------------------------- */
/*      Get other flags.                                                */
/* -------------------------------------------------------------------- */
    double dfPixErrThreshold;
    int bReversed;

    bReversed = atoi(CPLGetXMLValue(psTree,"Reversed","0"));

    dfPixErrThreshold = 
        CPLAtof(CPLGetXMLValue(psTree,"PixErrThreshold","0.25"));

    papszOptions = CSLSetNameValue( papszOptions, "RPC_HEIGHT",
                                    CPLGetXMLValue(psTree,"HeightOffset","0"));
    papszOptions = CSLSetNameValue( papszOptions, "RPC_HEIGHT_SCALE",
                                    CPLGetXMLValue(psTree,"HeightScale","1"));
    const char* pszDEMPath = CPLGetXMLValue(psTree,"DEMPath",NULL);
    if (pszDEMPath != NULL)
        papszOptions = CSLSetNameValue( papszOptions, "RPC_DEM",
                                        pszDEMPath);

    const char* pszDEMInterpolation = CPLGetXMLValue(psTree,"DEMInterpolation", "bilinear");
    if (pszDEMInterpolation != NULL)
        papszOptions = CSLSetNameValue( papszOptions, "RPC_DEMINTERPOLATION",
                                        pszDEMInterpolation);

/* -------------------------------------------------------------------- */
/*      Generate transformation.                                        */
/* -------------------------------------------------------------------- */
    pResult = GDALCreateRPCTransformer( &sRPC, bReversed, dfPixErrThreshold,
                                        papszOptions );
    
    CSLDestroy( papszOptions );

    return pResult;
}
Esempio n. 4
0
static GDALDataset *OGRCADDriverOpen( GDALOpenInfo* poOpenInfo )
{
    long nSubRasterLayer = -1;
    long nSubRasterFID = -1;

    CADFileIO* pFileIO;
    if ( STARTS_WITH_CI(poOpenInfo->pszFilename, "CAD:") )
    {
        char** papszTokens = CSLTokenizeString2( poOpenInfo->pszFilename, ":", 0 );
        int nTokens = CSLCount( papszTokens );
        if( nTokens < 4 )
        {
            CSLDestroy(papszTokens);
            return NULL;
        }

        CPLString osFilename;
        for( int i = 1; i < nTokens - 2; ++i )
        {
            if( osFilename.empty() )
                osFilename += ":";
            osFilename += papszTokens[i];
        }

        pFileIO = new VSILFileIO( osFilename );
        nSubRasterLayer = atol( papszTokens[nTokens - 2] );
        nSubRasterFID = atol( papszTokens[nTokens - 1] );

        CSLDestroy( papszTokens );
    }
    else
    {
        pFileIO = new VSILFileIO( poOpenInfo->pszFilename );
    }

    if ( IdentifyCADFile( pFileIO, false ) == FALSE )
    {
        delete pFileIO;
        return NULL;
    }


/* -------------------------------------------------------------------- */
/*      Confirm the requested access is supported.                      */
/* -------------------------------------------------------------------- */
    if( poOpenInfo->eAccess == GA_Update )
    {
        CPLError( CE_Failure, CPLE_NotSupported,
                  "The CAD driver does not support update access to existing"
                  " datasets.\n" );
        delete pFileIO;
        return NULL;
    }

    GDALCADDataset *poDS = new GDALCADDataset();
    if( !poDS->Open( poOpenInfo, pFileIO, nSubRasterLayer, nSubRasterFID ) )
    {
        delete poDS;
        return NULL;
    }
    else
        return poDS;
}
Esempio n. 5
0
int main( int nArgc, char ** papszArgv )

{
    OGRSpatialReference oSRS;
    int i;
    int bReportXML = FALSE;

/* -------------------------------------------------------------------- */
/*      Processing command line arguments.                              */
/* -------------------------------------------------------------------- */
    nArgc = OGRGeneralCmdLineProcessor( nArgc, &papszArgv, 0 );

    if( nArgc < 2 )
        Usage();

    for( i = 1; i < nArgc; i++ )
    {
        if( EQUAL(papszArgv[i],"-xml") )
            bReportXML = TRUE;
        
        else if( EQUAL(papszArgv[i],"-t") && i < nArgc - 4 )
        {
            OGRSpatialReference oSourceSRS, oTargetSRS;
            OGRCoordinateTransformation *poCT;
            double                      x, y, z_orig, z;
            int                         nArgsUsed = 4;
            
            if( oSourceSRS.SetFromUserInput(papszArgv[i+1]) != OGRERR_NONE )
            {
                CPLError( CE_Failure, CPLE_AppDefined, 
                          "SetFromUserInput(%s) failed.", 
                          papszArgv[i+1] );
                continue;
            }
            if( oTargetSRS.SetFromUserInput(papszArgv[i+2]) != OGRERR_NONE )
            {
                CPLError( CE_Failure, CPLE_AppDefined, 
                          "SetFromUserInput(%s) failed.", 
                          papszArgv[i+2] );
                continue;
            }
            
            poCT = OGRCreateCoordinateTransformation( &oSourceSRS,
                                                      &oTargetSRS );
            x = atof( papszArgv[i+3] );
            y = atof( papszArgv[i+4] );
            if( i < nArgc - 5 
                && (atof(papszArgv[i+5]) > 0.0 || papszArgv[i+5][0] == '0') )
            {
                z_orig = z = atof(papszArgv[i+5]);
                nArgsUsed++;
            }
            else
                z_orig = z = 0;
            
            if( poCT == NULL || !poCT->Transform( 1, &x, &y, &z ) )
                printf( "Transformation failed.\n" );
            else
                printf( "(%f,%f,%f) -> (%f,%f,%f)\n", 
                        atof( papszArgv[i+3] ),
                        atof( papszArgv[i+4] ),
                        z_orig, 
                        x, y, z );
            
            i += nArgsUsed;
        }
        else 
        {
            if( oSRS.SetFromUserInput(papszArgv[i]) != OGRERR_NONE )
                CPLError( CE_Failure, CPLE_AppDefined, 
                          "Error occured translating %s.\n", 
                          papszArgv[i] );
            else
            {
                char  *pszWKT = NULL;

                if( oSRS.Validate() != OGRERR_NONE )
                    printf( "Validate Fails.\n" );
                else
                    printf( "Validate Succeeds.\n" );
                
                oSRS.exportToPrettyWkt( &pszWKT, FALSE );
                printf( "WKT[%s] =\n%s\n", 
                        papszArgv[i], pszWKT );
                CPLFree( pszWKT );

                printf( "\n" );

                oSRS.exportToPrettyWkt( &pszWKT, TRUE );
                printf( "Simplified WKT[%s] =\n%s\n", 
                        papszArgv[i], pszWKT );
                CPLFree( pszWKT );

                printf( "\n" );

                OGRSpatialReference *poSRS2;

                poSRS2 = oSRS.Clone();
                poSRS2->StripCTParms();
                poSRS2->exportToWkt( &pszWKT );
                printf( "Old Style WKT[%s] = %s\n", 
                        papszArgv[i], pszWKT );
                CPLFree( pszWKT );
                OGRSpatialReference::DestroySpatialReference( poSRS2 );

                poSRS2 = oSRS.Clone();
                poSRS2->morphToESRI();
                poSRS2->exportToPrettyWkt( &pszWKT, FALSE );
                printf( "ESRI'ified WKT[%s] = \n%s\n", 
                        papszArgv[i], pszWKT );
                CPLFree( pszWKT );
                OGRSpatialReference::DestroySpatialReference( poSRS2 );

                oSRS.exportToProj4( &pszWKT );
                printf( "PROJ.4 rendering of [%s] = %s\n", 
                        papszArgv[i], pszWKT );
                CPLFree( pszWKT );


                if( bReportXML )
                {
                    char       *pszRawXML;
                    if( oSRS.exportToXML(&pszRawXML) == OGRERR_NONE )
                    {
                        printf( "XML[%s] =\n%s\n", 
                                papszArgv[i], pszRawXML );
                        CPLFree( pszRawXML );
                    }
                    else
                    {
                        printf( "XML translation failed\n" );
                    }
                }

                printf( "\n" );
            }
        }
    }

    CSLDestroy( papszArgv );
    OSRCleanup();
    CPLFinderClean();
    CPLCleanupTLS();
    
    return 0;
}
Esempio n. 6
0
int FindSRS( const char *pszInput, OGRSpatialReference &oSRS )

{
    int            bGotSRS = FALSE;
    VSILFILE      *fp = NULL;
    GDALDataset	  *poGDALDS = NULL; 
    OGRLayer      *poLayer = NULL;
    const char    *pszProjection = NULL;
    CPLErrorHandler oErrorHandler = NULL;
    int bIsFile = FALSE;
    OGRErr eErr = OGRERR_NONE;
    int bDebug  = FALSE;

    /* temporarily suppress error messages we may get from xOpen() */
    bDebug = CSLTestBoolean(CPLGetConfigOption("CPL_DEBUG", "OFF"));
    if ( ! bDebug )
        oErrorHandler = CPLSetErrorHandler ( CPLQuietErrorHandler );

    /* Test if argument is a file */
    fp = VSIFOpenL( pszInput, "r" );
    if ( fp )  {
        bIsFile = TRUE;
        VSIFCloseL( fp );
        CPLDebug( "gdalsrsinfo", "argument is a file" );
    } 
       
    /* try to open with GDAL */
    if( strncmp(pszInput, "http://spatialreference.org/",
                strlen("http://spatialreference.org/")) != 0 )
    {
        CPLDebug( "gdalsrsinfo", "trying to open with GDAL" );
        poGDALDS = (GDALDataset *) GDALOpenEx( pszInput, 0, NULL, NULL, NULL );
    }
    if ( poGDALDS != NULL ) {
        pszProjection = poGDALDS->GetProjectionRef( );
        if( pszProjection != NULL && pszProjection[0] != '\0' )
        {
            char* pszProjectionTmp = (char*) pszProjection;
            if( oSRS.importFromWkt( &pszProjectionTmp ) == OGRERR_NONE ) {
                CPLDebug( "gdalsrsinfo", "got SRS from GDAL" );
                bGotSRS = TRUE;
            }
        }
        else if( poGDALDS->GetLayerCount() > 0 )
        {
            poLayer = poGDALDS->GetLayer( 0 );
            if ( poLayer != NULL ) {
                OGRSpatialReference *poSRS = poLayer->GetSpatialRef( );
                if ( poSRS != NULL ) {
                    CPLDebug( "gdalsrsinfo", "got SRS from OGR" );
                    bGotSRS = TRUE;
                    OGRSpatialReference* poSRSClone = poSRS->Clone();
                    oSRS = *poSRSClone;
                    OGRSpatialReference::DestroySpatialReference( poSRSClone );
                }
            }
        }
        GDALClose( (GDALDatasetH) poGDALDS );
        if ( ! bGotSRS ) 
            CPLDebug( "gdalsrsinfo", "did not open with GDAL" );
    }    
    
    /* Try ESRI file */
    if ( ! bGotSRS && bIsFile && (strstr(pszInput,".prj") != NULL) ) {
        CPLDebug( "gdalsrsinfo", 
                  "trying to get SRS from ESRI .prj file [%s]", pszInput );

        char **pszTemp;
        if ( strstr(pszInput,"ESRI::") != NULL )
            pszTemp = CSLLoad( pszInput+6 );
        else 
            pszTemp = CSLLoad( pszInput );

        if( pszTemp ) {
            eErr = oSRS.importFromESRI( pszTemp );
            CSLDestroy( pszTemp );
        }
        else 
            eErr = OGRERR_UNSUPPORTED_SRS;

        if( eErr != OGRERR_NONE ) {
            CPLDebug( "gdalsrsinfo", "did not get SRS from ESRI .prj file" );
        }
        else {
            CPLDebug( "gdalsrsinfo", "got SRS from ESRI .prj file" );
            bGotSRS = TRUE;
        }
    }

    /* Last resort, try OSRSetFromUserInput() */
    if ( ! bGotSRS ) {
        CPLDebug( "gdalsrsinfo", 
                  "trying to get SRS from user input [%s]", pszInput );

        eErr = oSRS.SetFromUserInput( pszInput );
 
       if(  eErr != OGRERR_NONE ) {
            CPLDebug( "gdalsrsinfo", "did not get SRS from user input" );
        }
        else {
            CPLDebug( "gdalsrsinfo", "got SRS from user input" );
            bGotSRS = TRUE;
        }
    }
    
    /* restore error messages */
    if ( ! bDebug )
        CPLSetErrorHandler ( oErrorHandler );	


    return bGotSRS;
}
Esempio n. 7
0
OGRErr OGRSpatialReference::importFromOzi( const char *pszDatum,
                                           const char *pszProj,
                                           const char *pszProjParms )

{
    Clear();

/* -------------------------------------------------------------------- */
/*      Operate on the basis of the projection name.                    */
/* -------------------------------------------------------------------- */
    char    **papszProj = CSLTokenizeStringComplex( pszProj, ",", TRUE, TRUE );
    char    **papszProjParms = CSLTokenizeStringComplex( pszProjParms, ",", 
                                                         TRUE, TRUE );
    char    **papszDatum = NULL;
                                                         
    if (CSLCount(papszProj) < 2)
    {
        goto not_enough_data;
    }

    if ( EQUALN(papszProj[1], "Latitude/Longitude", 18) )
    {
    }

    else if ( EQUALN(papszProj[1], "Mercator", 8) )
    {
        if (CSLCount(papszProjParms) < 6) goto not_enough_data;
        double dfScale = CPLAtof(papszProjParms[3]);
        if (papszProjParms[3][0] == 0) dfScale = 1; /* if unset, default to scale = 1 */
        SetMercator( CPLAtof(papszProjParms[1]), CPLAtof(papszProjParms[2]),
                     dfScale,
                     CPLAtof(papszProjParms[4]), CPLAtof(papszProjParms[5]) );
    }

    else if ( EQUALN(papszProj[1], "Transverse Mercator", 19) )
    {
        if (CSLCount(papszProjParms) < 6) goto not_enough_data;
        SetTM( CPLAtof(papszProjParms[1]), CPLAtof(papszProjParms[2]),
               CPLAtof(papszProjParms[3]),
               CPLAtof(papszProjParms[4]), CPLAtof(papszProjParms[5]) );
    }

    else if ( EQUALN(papszProj[1], "Lambert Conformal Conic", 23) )
    {
        if (CSLCount(papszProjParms) < 8) goto not_enough_data;
        SetLCC( CPLAtof(papszProjParms[6]), CPLAtof(papszProjParms[7]),
                CPLAtof(papszProjParms[1]), CPLAtof(papszProjParms[2]),
                CPLAtof(papszProjParms[4]), CPLAtof(papszProjParms[5]) );
    }

    else if ( EQUALN(papszProj[1], "Sinusoidal", 10) )
    {
        if (CSLCount(papszProjParms) < 6) goto not_enough_data;
        SetSinusoidal( CPLAtof(papszProjParms[2]),
                       CPLAtof(papszProjParms[4]), CPLAtof(papszProjParms[5]) );
    }

    else if ( EQUALN(papszProj[1], "Albers Equal Area", 17) )
    {
        if (CSLCount(papszProjParms) < 8) goto not_enough_data;
        SetACEA( CPLAtof(papszProjParms[6]), CPLAtof(papszProjParms[7]),
                 CPLAtof(papszProjParms[1]), CPLAtof(papszProjParms[2]),
                 CPLAtof(papszProjParms[4]), CPLAtof(papszProjParms[5]) );
    }

    else
    {
        CPLDebug( "OSR_Ozi", "Unsupported projection: \"%s\"", papszProj[1] );
        SetLocalCS( CPLString().Printf("\"Ozi\" projection \"%s\"",
                                       papszProj[1]) );
    }

/* -------------------------------------------------------------------- */
/*      Try to translate the datum/spheroid.                            */
/* -------------------------------------------------------------------- */
    papszDatum = CSLTokenizeString2( pszDatum, ",",
                                               CSLT_ALLOWEMPTYTOKENS
                                               | CSLT_STRIPLEADSPACES
                                               | CSLT_STRIPENDSPACES );
    if ( papszDatum == NULL)
        goto not_enough_data;
        
    if ( !IsLocal() )
    {

/* -------------------------------------------------------------------- */
/*      Verify that we can find the CSV file containing the datums      */
/* -------------------------------------------------------------------- */
        if( CSVScanFileByName( CSVFilename( "ozi_datum.csv" ),
                            "EPSG_DATUM_CODE",
                            "4326", CC_Integer ) == NULL )
        {
            CPLError( CE_Failure, CPLE_OpenFailed,
                    "Unable to open OZI support file %s.\n"
                    "Try setting the GDAL_DATA environment variable to point\n"
                    "to the directory containing OZI csv files.",
                    CSVFilename( "ozi_datum.csv" ) );
            goto other_error;
        }

/* -------------------------------------------------------------------- */
/*      Search for matching datum                                       */
/* -------------------------------------------------------------------- */
        const char *pszOziDatum = CSVFilename( "ozi_datum.csv" );
        CPLString osDName = CSVGetField( pszOziDatum, "NAME", papszDatum[0],
                                    CC_ApproxString, "NAME" );
        if( strlen(osDName) == 0 )
        {
            CPLError( CE_Failure, CPLE_AppDefined,
                    "Failed to find datum %s in ozi_datum.csv.",
                    papszDatum[0] );
            goto other_error;
        }

        int nDatumCode = atoi( CSVGetField( pszOziDatum, "NAME", papszDatum[0],
                                            CC_ApproxString, "EPSG_DATUM_CODE" ) );

        if ( nDatumCode > 0 ) // There is a matching EPSG code
        {
            OGRSpatialReference oGCS;
            oGCS.importFromEPSG( nDatumCode );
            CopyGeogCSFrom( &oGCS );
        }
        else // We use the parameters from the CSV files
        {
            CPLString osEllipseCode = CSVGetField( pszOziDatum, "NAME", papszDatum[0],
                                                CC_ApproxString, "ELLIPSOID_CODE" );
            double dfDeltaX = CPLAtof(CSVGetField( pszOziDatum, "NAME", papszDatum[0],
                                                CC_ApproxString, "DELTAX" ) );
            double dfDeltaY = CPLAtof(CSVGetField( pszOziDatum, "NAME", papszDatum[0],
                                                CC_ApproxString, "DELTAY" ) );
            double dfDeltaZ = CPLAtof(CSVGetField( pszOziDatum, "NAME", papszDatum[0],
                                                CC_ApproxString, "DELTAZ" ) );


    /* -------------------------------------------------------------------- */
    /*      Verify that we can find the CSV file containing the ellipsoids  */
    /* -------------------------------------------------------------------- */
            if( CSVScanFileByName( CSVFilename( "ozi_ellips.csv" ),
                                "ELLIPSOID_CODE",
                                "20", CC_Integer ) == NULL )
            {
                CPLError( CE_Failure, CPLE_OpenFailed,
                    "Unable to open OZI support file %s.\n"
                    "Try setting the GDAL_DATA environment variable to point\n"
                    "to the directory containing OZI csv files.",
                    CSVFilename( "ozi_ellips.csv" ) );
                goto other_error;
            }

    /* -------------------------------------------------------------------- */
    /*      Lookup the ellipse code.                                        */
    /* -------------------------------------------------------------------- */
            const char *pszOziEllipse = CSVFilename( "ozi_ellips.csv" );

            CPLString osEName = CSVGetField( pszOziEllipse, "ELLIPSOID_CODE", osEllipseCode,
                                        CC_ApproxString, "NAME" );
            if( strlen(osEName) == 0 )
            {
                CPLError( CE_Failure, CPLE_AppDefined,
                        "Failed to find ellipsoid %s in ozi_ellips.csv.",
                        osEllipseCode.c_str() );
                goto other_error;
            }

            double dfA = CPLAtof(CSVGetField( pszOziEllipse, "ELLIPSOID_CODE", osEllipseCode,
                                        CC_ApproxString, "A" ));
            double dfInvF = CPLAtof(CSVGetField( pszOziEllipse, "ELLIPSOID_CODE", osEllipseCode,
                                            CC_ApproxString, "INVF" ));

    /* -------------------------------------------------------------------- */
    /*      Create geographic coordinate system.                            */
    /* -------------------------------------------------------------------- */

            SetGeogCS( osDName, osDName, osEName, dfA, dfInvF );
            SetTOWGS84( dfDeltaX, dfDeltaY, dfDeltaZ );

        }
    }

/* -------------------------------------------------------------------- */
/*      Grid units translation                                          */
/* -------------------------------------------------------------------- */
    if( IsLocal() || IsProjected() )
        SetLinearUnits( SRS_UL_METER, 1.0 );

    FixupOrdering();

    CSLDestroy(papszProj);
    CSLDestroy(papszProjParms);
    CSLDestroy(papszDatum);

    return OGRERR_NONE;

not_enough_data:

    CSLDestroy(papszProj);
    CSLDestroy(papszProjParms);
    CSLDestroy(papszDatum);

    return OGRERR_NOT_ENOUGH_DATA;

other_error:

    CSLDestroy(papszProj);
    CSLDestroy(papszProjParms);
    CSLDestroy(papszDatum);

    return OGRERR_FAILURE;
}
int OGRCARTODBDataSource::Open( const char * pszFilename,
                                char** papszOpenOptions,
                                int bUpdateIn )

{
    bReadWrite = bUpdateIn;
    bBatchInsert = CSLTestBoolean(CSLFetchNameValueDef(papszOpenOptions, "BATCH_INSERT", "YES"));

    pszName = CPLStrdup( pszFilename );
    if( CSLFetchNameValue(papszOpenOptions, "ACCOUNT") )
        pszAccount = CPLStrdup(CSLFetchNameValue(papszOpenOptions, "ACCOUNT"));
    else
    {
        pszAccount = CPLStrdup(pszFilename + strlen("CARTODB:"));
        char* pchSpace = strchr(pszAccount, ' ');
        if( pchSpace )
            *pchSpace = '\0';
        if( pszAccount[0] == 0 )
        {
            CPLError(CE_Failure, CPLE_AppDefined, "Missing account name");
            return FALSE;
        }
    }

    osAPIKey = CSLFetchNameValueDef(papszOpenOptions, "API_KEY",
                                    CPLGetConfigOption("CARTODB_API_KEY", ""));

    CPLString osTables = OGRCARTODBGetOptionValue(pszFilename, "tables");
    
    /*if( osTables.size() == 0 && osAPIKey.size() == 0 )
    {
        CPLError(CE_Failure, CPLE_AppDefined,
                 "When not specifying tables option, CARTODB_API_KEY must be defined");
        return FALSE;
    }*/

    bUseHTTPS = CSLTestBoolean(CPLGetConfigOption("CARTODB_HTTPS", "YES"));

    OGRLayer* poSchemaLayer = ExecuteSQLInternal("SELECT current_schema()");
    if( poSchemaLayer )
    {
        OGRFeature* poFeat = poSchemaLayer->GetNextFeature();
        if( poFeat )
        {
            if( poFeat->GetFieldCount() == 1 )
            {
                osCurrentSchema = poFeat->GetFieldAsString(0);
            }
            delete poFeat;
        }
        ReleaseResultSet(poSchemaLayer);
    }
    if( osCurrentSchema.size() == 0 )
        return FALSE;

    if( osAPIKey.size() && bUpdateIn )
    {
        ExecuteSQLInternal(
                "DROP FUNCTION IF EXISTS ogr_table_metadata(TEXT,TEXT); "
                "CREATE OR REPLACE FUNCTION ogr_table_metadata(schema_name TEXT, table_name TEXT) RETURNS TABLE "
                "(attname TEXT, typname TEXT, attlen INT, format_type TEXT, "
                "attnum INT, attnotnull BOOLEAN, indisprimary BOOLEAN, "
                "defaultexpr TEXT, dim INT, srid INT, geomtyp TEXT, srtext TEXT) AS $$ "
                "SELECT a.attname::text, t.typname::text, a.attlen::int, "
                        "format_type(a.atttypid,a.atttypmod)::text, "
                        "a.attnum::int, "
                        "a.attnotnull::boolean, "
                        "i.indisprimary::boolean, "
                        "pg_get_expr(def.adbin, c.oid)::text AS defaultexpr, "
                        "(CASE WHEN t.typname = 'geometry' THEN postgis_typmod_dims(a.atttypmod) ELSE NULL END)::int dim, "
                        "(CASE WHEN t.typname = 'geometry' THEN postgis_typmod_srid(a.atttypmod) ELSE NULL END)::int srid, "
                        "(CASE WHEN t.typname = 'geometry' THEN postgis_typmod_type(a.atttypmod) ELSE NULL END)::text geomtyp, "
                        "srtext "
                "FROM pg_class c "
                "JOIN pg_attribute a ON a.attnum > 0 AND "
                                        "a.attrelid = c.oid AND c.relname = $2 "
                                        "AND c.relname IN (SELECT CDB_UserTables())"
                "JOIN pg_type t ON a.atttypid = t.oid "
                "JOIN pg_namespace n ON c.relnamespace=n.oid AND n.nspname = $1 "
                "LEFT JOIN pg_index i ON c.oid = i.indrelid AND "
                                        "i.indisprimary = 't' AND a.attnum = ANY(i.indkey) "
                "LEFT JOIN pg_attrdef def ON def.adrelid = c.oid AND "
                                            "def.adnum = a.attnum "
                "LEFT JOIN spatial_ref_sys srs ON srs.srid = postgis_typmod_srid(a.atttypmod) "
                "ORDER BY a.attnum "
                "$$ LANGUAGE SQL");
    }
    
    if (osTables.size() != 0)
    {
        char** papszTables = CSLTokenizeString2(osTables, ",", 0);
        for(int i=0;papszTables && papszTables[i];i++)
        {
            papoLayers = (OGRCARTODBTableLayer**) CPLRealloc(
                papoLayers, (nLayers + 1) * sizeof(OGRCARTODBTableLayer*));
            papoLayers[nLayers ++] = new OGRCARTODBTableLayer(this, papszTables[i]);
        }
        CSLDestroy(papszTables);
        return TRUE;
    }

    OGRLayer* poTableListLayer = ExecuteSQLInternal("SELECT CDB_UserTables()");
    if( poTableListLayer )
    {
        OGRFeature* poFeat;
        while( (poFeat = poTableListLayer->GetNextFeature()) != NULL )
        {
            if( poFeat->GetFieldCount() == 1 )
            {
                papoLayers = (OGRCARTODBTableLayer**) CPLRealloc(
                    papoLayers, (nLayers + 1) * sizeof(OGRCARTODBTableLayer*));
                papoLayers[nLayers ++] = new OGRCARTODBTableLayer(
                            this, poFeat->GetFieldAsString(0));
            }
            delete poFeat;
        }
        ReleaseResultSet(poTableListLayer);
    }
    else if( osCurrentSchema == "public" )
        return FALSE;

    /* There's currently a bug with CDB_UserTables() on multi-user accounts */
    if( nLayers == 0 && osCurrentSchema != "public" )
    {
        CPLString osSQL;
        osSQL.Printf("SELECT c.relname FROM pg_class c, pg_namespace n "
                     "WHERE c.relkind in ('r', 'v') AND c.relname !~ '^pg_' AND c.relnamespace=n.oid AND n.nspname = '%s'",
                     OGRCARTODBEscapeLiteral(osCurrentSchema).c_str());
        poTableListLayer = ExecuteSQLInternal(osSQL);
        if( poTableListLayer )
        {
            OGRFeature* poFeat;
            while( (poFeat = poTableListLayer->GetNextFeature()) != NULL )
            {
                if( poFeat->GetFieldCount() == 1 )
                {
                    papoLayers = (OGRCARTODBTableLayer**) CPLRealloc(
                        papoLayers, (nLayers + 1) * sizeof(OGRCARTODBTableLayer*));
                    papoLayers[nLayers ++] = new OGRCARTODBTableLayer(
                                this, poFeat->GetFieldAsString(0));
                }
                delete poFeat;
            }
            ReleaseResultSet(poTableListLayer);
        }
        else
            return FALSE;
    }

    return TRUE;
}
json_object* OGRCARTODBDataSource::RunSQL(const char* pszUnescapedSQL)
{
    CPLString osSQL("POSTFIELDS=q=");
    /* Do post escaping */
    for(int i=0;pszUnescapedSQL[i] != 0;i++)
    {
        const int ch = ((unsigned char*)pszUnescapedSQL)[i];
        if (ch != '&' && ch >= 32 && ch < 128)
            osSQL += (char)ch;
        else
            osSQL += CPLSPrintf("%%%02X", ch);
    }

/* -------------------------------------------------------------------- */
/*      Provide the API Key                                             */
/* -------------------------------------------------------------------- */
    if( osAPIKey.size() )
    {
        osSQL += "&api_key=";
        osSQL += osAPIKey;
    }

/* -------------------------------------------------------------------- */
/*      Collection the header options and execute request.              */
/* -------------------------------------------------------------------- */
    const char* pszAPIURL = GetAPIURL();
    char** papszOptions = CSLAddString(
        strncmp(pszAPIURL, "/vsimem/", strlen("/vsimem/")) != 0 ? AddHTTPOptions(): NULL, osSQL);
    CPLHTTPResult * psResult = CPLHTTPFetch( GetAPIURL(), papszOptions);
    CSLDestroy(papszOptions);

/* -------------------------------------------------------------------- */
/*      Check for some error conditions and report.  HTML Messages      */
/*      are transformed info failure.                                   */
/* -------------------------------------------------------------------- */
    if (psResult && psResult->pszContentType &&
        strncmp(psResult->pszContentType, "text/html", 9) == 0)
    {
        CPLDebug( "CARTODB", "RunSQL HTML Response:%s", psResult->pabyData );
        CPLError(CE_Failure, CPLE_AppDefined, 
                 "HTML error page returned by server");
        CPLHTTPDestroyResult(psResult);
        return NULL;
    }
    if (psResult && psResult->pszErrBuf != NULL) 
    {
        CPLDebug( "CARTODB", "RunSQL Error Message:%s", psResult->pszErrBuf );
    }
    else if (psResult && psResult->nStatus != 0) 
    {
        CPLDebug( "CARTODB", "RunSQL Error Status:%d", psResult->nStatus );
    }

    if( psResult->pabyData == NULL )
    {
        CPLHTTPDestroyResult(psResult);
        return NULL;
    }
    
    if( strlen((const char*)psResult->pabyData) < 1000 )
        CPLDebug( "CARTODB", "RunSQL Response:%s", psResult->pabyData );
    
    json_tokener* jstok = NULL;
    json_object* poObj = NULL;

    jstok = json_tokener_new();
    poObj = json_tokener_parse_ex(jstok, (const char*) psResult->pabyData, -1);
    if( jstok->err != json_tokener_success)
    {
        CPLError( CE_Failure, CPLE_AppDefined,
                    "JSON parsing error: %s (at offset %d)",
                    json_tokener_error_desc(jstok->err), jstok->char_offset);
        json_tokener_free(jstok);
        CPLHTTPDestroyResult(psResult);
        return NULL;
    }
    json_tokener_free(jstok);

    CPLHTTPDestroyResult(psResult);

    if( poObj != NULL )
    {
        if( json_object_get_type(poObj) == json_type_object )
        {
            json_object* poError = json_object_object_get(poObj, "error");
            if( poError != NULL && json_object_get_type(poError) == json_type_array &&
                json_object_array_length(poError) > 0 )
            {
                poError = json_object_array_get_idx(poError, 0);
                if( poError != NULL && json_object_get_type(poError) == json_type_string )
                {
                    CPLError(CE_Failure, CPLE_AppDefined, 
                            "Error returned by server : %s", json_object_get_string(poError));
                    json_object_put(poObj);
                    return NULL;
                }
            }
        }
        else
        {
            json_object_put(poObj);
            return NULL;
        }
    }

    return poObj;
}
Esempio n. 10
0
int ILI1Reader::ReadTable(CPL_UNUSED const char *layername) {
    char **tokens = NULL;
    int ret = TRUE;
    int warned = FALSE;
    int geomIdx = -1;

    OGRFeatureDefn *featureDef = curLayer->GetLayerDefn();
    OGRFeature *feature = NULL;
    bool bFeatureAdded = false;

    while (ret && (tokens = ReadParseLine()) != NULL)
    {
      const char *firsttok = CSLGetField(tokens, 0);
      if (EQUAL(firsttok, "OBJE"))
      {
        if (featureDef->GetFieldCount() == 0)
        {
          CPLError( CE_Warning, CPLE_AppDefined,
                    "No field definition found for table: %s",
                    featureDef->GetName() );
          // Model not read - use heuristics.
          for( int fIndex=1; fIndex<CSLCount(tokens); fIndex++ )
          {
            char szFieldName[32];
            snprintf(szFieldName, sizeof(szFieldName), "Field%02d", fIndex);
            OGRFieldDefn oFieldDefn(szFieldName, OFTString);
            featureDef->AddFieldDefn(&oFieldDefn);
          }
        }
        //start new feature
        if( !bFeatureAdded )
            delete feature;
        feature = new OGRFeature(featureDef);

        for( int fIndex=1, fieldno = 0;
             fIndex<CSLCount(tokens) && fieldno < featureDef->GetFieldCount();
             fIndex++, fieldno++ )
        {
          if (!(tokens[fIndex][0] == codeUndefined && tokens[fIndex][1] == '\0')) {
#ifdef DEBUG_VERBOSE
            CPLDebug( "READ TABLE OGR_ILI", "Setting Field %d (Type %d): %s",
                      fieldno, featureDef->GetFieldDefn(fieldno)->GetType(),
                      tokens[fIndex] );
#endif
            if (featureDef->GetFieldDefn(fieldno)->GetType() == OFTString) {
                // Interlis 1 encoding is ISO 8859-1 (Latin1) -> Recode to UTF-8
                char* pszRecoded = CPLRecode(
                    tokens[fIndex], CPL_ENC_ISO8859_1, CPL_ENC_UTF8);
                // Replace space marks
                for( char* pszString = pszRecoded;
                     *pszString != '\0';
                     pszString++ ) {
                    if (*pszString == codeBlank) *pszString = ' ';
                }
                feature->SetField(fieldno, pszRecoded);
                CPLFree(pszRecoded);
            } else {
              feature->SetField(fieldno, tokens[fIndex]);
            }
            if (featureDef->GetFieldDefn(fieldno)->GetType() == OFTReal
                && fieldno > 0
                && featureDef->GetFieldDefn(fieldno-1)->GetType() == OFTReal) {
              // Check for Point geometry (Coord type).
              // If there is no ili model read,
              // we have no chance to detect the
              // geometry column.
              CPLString geomfldname
                  = featureDef->GetFieldDefn(fieldno)->GetNameRef();
              // Check if name ends with _1.
              if (geomfldname.size() >= 2 && geomfldname[geomfldname.size()-2]
                  == '_') {
                geomfldname = geomfldname.substr(0, geomfldname.size()-2);
                geomIdx = featureDef->GetGeomFieldIndex(geomfldname.c_str());
                if (geomIdx == -1)
                {
                  CPLError( CE_Warning, CPLE_AppDefined,
                            "No matching definition for field '%s' of "
                            "table %s found",
                            geomfldname.c_str(), featureDef->GetName() );
                }
              } else {
                geomIdx = -1;
              }
              if (geomIdx >= 0) {
                if (featureDef->GetGeomFieldDefn(geomIdx)->GetType() ==
                    wkbPoint) {
                  // Add Point geometry.
                  OGRPoint *ogrPoint = new OGRPoint(
                      CPLAtof(tokens[fIndex-1]), CPLAtof(tokens[fIndex]));
                  feature->SetGeomFieldDirectly(geomIdx, ogrPoint);
                } else if (featureDef->GetGeomFieldDefn(geomIdx)->GetType() ==
                           wkbPoint25D && fieldno > 1 &&
                           featureDef->GetFieldDefn(fieldno-2)->GetType() ==
                           OFTReal) {
                  // Add 3D Point geometry.
                  OGRPoint *ogrPoint = new OGRPoint(
                      CPLAtof(tokens[fIndex-2]), CPLAtof(tokens[fIndex-1]),
                      CPLAtof(tokens[fIndex]) );
                  feature->SetGeomFieldDirectly(geomIdx, ogrPoint);
                }
              }
            }
          }
        }
        if (!warned && featureDef->GetFieldCount() != CSLCount(tokens)-1) {
          CPLError( CE_Warning, CPLE_AppDefined,
                    "Field count of table %s doesn't match. %d declared, "
                    "%d found (e.g. ignored LINEATTR)",
                    featureDef->GetName(), featureDef->GetFieldCount(),
                    CSLCount(tokens) - 1 );
          warned = TRUE;
        }
        if (feature->GetFieldCount() > 0) {
          // USE _TID as FID. TODO: respect IDENT field from model.
          feature->SetFID(feature->GetFieldAsInteger64(0));
        }
        curLayer->AddFeature(feature);
        bFeatureAdded = true;
        geomIdx = -1; //Reset
      }
      else if (EQUAL(firsttok, "STPT") && feature != NULL)
      {
        //Find next non-Point geometry
        if (geomIdx < 0) geomIdx = 0;
        while (geomIdx < featureDef->GetGeomFieldCount() &&
               featureDef->GetGeomFieldDefn(geomIdx)->GetType() == wkbPoint) {
            geomIdx++;
        }
        OGRwkbGeometryType geomType
            = (geomIdx < featureDef->GetGeomFieldCount()) ?
               featureDef->GetGeomFieldDefn(geomIdx)->GetType() : wkbNone;
        ReadGeom(tokens, geomIdx, geomType, feature);
      }
      else if (EQUAL(firsttok, "ELIN"))
      {
        // Empty geom.
      }
      else if (EQUAL(firsttok, "EDGE") && feature != NULL)
      {
        CSLDestroy(tokens);
        tokens = ReadParseLine(); //STPT
        //Find next non-Point geometry
        do {
            geomIdx++;
        } while (geomIdx < featureDef->GetGeomFieldCount() &&
                 featureDef->GetGeomFieldDefn(geomIdx)->GetType() == wkbPoint);
        ReadGeom(tokens, geomIdx, wkbMultiLineString, feature);
      }
      else if (EQUAL(firsttok, "PERI"))
      {
      }
      else if (EQUAL(firsttok, "ETAB"))
      {
        CPLDebug( "OGR_ILI", "Total features: " CPL_FRMT_GIB,
                  curLayer->GetFeatureCount() );
        CSLDestroy(tokens);
        if( !bFeatureAdded )
            delete feature;
        return TRUE;
      }
      else
      {
        CPLError( CE_Warning, CPLE_AppDefined,
                  "Unexpected token: %s", firsttok );
      }

      CSLDestroy(tokens);
    }

    if( !bFeatureAdded )
        delete feature;

    return ret;
}
Esempio n. 11
0
void ILI1Reader::ReadGeom( char **stgeom, int geomIdx, OGRwkbGeometryType eType,
                           OGRFeature *feature ) {
#ifdef DEBUG_VERBOSE
    CPLDebug( "OGR_ILI",
              "ILI1Reader::ReadGeom geomIdx: %d OGRGeometryType: %s",
              geomIdx, OGRGeometryTypeToName(eType) );
#endif
    if (eType == wkbNone)
    {
      CPLError( CE_Warning, CPLE_AppDefined,
                "Calling ILI1Reader::ReadGeom with wkbNone" );
    }

    // Initialize geometry.

    OGRCompoundCurve *ogrCurve = new OGRCompoundCurve();
    OGRCurvePolygon *ogrPoly = NULL; //current polygon
    OGRMultiCurve *ogrMultiLine = NULL; //current multi line

    if (eType == wkbMultiCurve || eType == wkbMultiLineString)
    {
      ogrMultiLine = new OGRMultiCurve();
    }
    else if (eType == wkbPolygon || eType == wkbCurvePolygon)
    {
      ogrPoly = new OGRCurvePolygon();
    }

    OGRPoint ogrPoint; // Current point.
    ogrPoint.setX(CPLAtof(stgeom[1])); ogrPoint.setY(CPLAtof(stgeom[2]));

    OGRLineString *ogrLine = new OGRLineString();
    ogrLine->addPoint(&ogrPoint);

    // Parse geometry.

    char **tokens = NULL;
    bool end = false;
    OGRCircularString *arc = NULL; //current arc

    while (!end && (tokens = ReadParseLine()) != NULL)
    {
      const char *firsttok = CSLGetField(tokens, 0);
      if (EQUAL(firsttok, "LIPT"))
      {
        ogrPoint.setX(CPLAtof(tokens[1])); ogrPoint.setY(CPLAtof(tokens[2]));
        if (arc) {
          arc->addPoint(&ogrPoint);
          OGRErr error =  ogrCurve->addCurveDirectly(arc);
          if (error != OGRERR_NONE) {
            CPLError(CE_Warning, CPLE_AppDefined, "Added geometry: %s", arc->exportToJson() );
          }
          arc = NULL;
        }
        ogrLine->addPoint(&ogrPoint);
      }
      else if (EQUAL(firsttok, "ARCP"))
      {
        //Finish line and start arc
        if (ogrLine->getNumPoints() > 1) {
          OGRErr error = ogrCurve->addCurveDirectly(ogrLine);
          if (error != OGRERR_NONE) {
            CPLError(CE_Warning, CPLE_AppDefined, "Added geometry: %s", ogrLine->exportToJson() );
          }
          ogrLine = new OGRLineString();
        } else {
          ogrLine->empty();
        }
        arc = new OGRCircularString();
        arc->addPoint(&ogrPoint);
        ogrPoint.setX(CPLAtof(tokens[1])); ogrPoint.setY(CPLAtof(tokens[2]));
        arc->addPoint(&ogrPoint);
      }
      else if (EQUAL(firsttok, "ELIN"))
      {
        if (ogrLine->getNumPoints() > 1) { // Ignore single LIPT after ARCP
          OGRErr error = ogrCurve->addCurveDirectly(ogrLine);
          if (error != OGRERR_NONE) {
            CPLError(CE_Warning, CPLE_AppDefined, "Added geometry: %s", ogrLine->exportToJson() );
          }
          ogrLine = NULL;
        }
        if (!ogrCurve->IsEmpty()) {
          if (ogrMultiLine)
          {
            OGRErr error = ogrMultiLine->addGeometryDirectly(ogrCurve);
            if (error != OGRERR_NONE) {
              CPLError(CE_Warning, CPLE_AppDefined, "Added geometry: %s", ogrCurve->exportToJson() );
            }
            ogrCurve = NULL;
          }
          if (ogrPoly)
          {
            OGRErr error = ogrPoly->addRingDirectly(ogrCurve);
            if (error != OGRERR_NONE) {
              CPLError(CE_Warning, CPLE_AppDefined, "Added geometry: %s", ogrCurve->exportToJson() );
            }
            ogrCurve = NULL;
          }
        }
        end = true;
      }
      else if (EQUAL(firsttok, "EEDG"))
      {
        end = true;
      }
      else if (EQUAL(firsttok, "LATT"))
      {
        //Line Attributes (ignored)
      }
      else if (EQUAL(firsttok, "EFLA"))
      {
        end = true;
      }
      else if (EQUAL(firsttok, "ETAB"))
      {
        end = true;
      }
      else
      {
        CPLError( CE_Warning, CPLE_AppDefined,
                  "Unexpected token: %s", firsttok );
      }

      CSLDestroy(tokens);
    }

    delete ogrLine;

    //Set feature geometry
    if (eType == wkbMultiCurve)
    {
      feature->SetGeomFieldDirectly(geomIdx, ogrMultiLine);
      delete ogrCurve;
    }
    else if (eType == wkbMultiLineString)
    {
      feature->SetGeomFieldDirectly(geomIdx, ogrMultiLine->getLinearGeometry());
      delete ogrMultiLine;
      delete ogrCurve;
    }
    else if (eType == wkbCurvePolygon)
    {
      feature->SetGeomFieldDirectly(geomIdx, ogrPoly);
      delete ogrCurve;
    }
    else if (eType == wkbPolygon)
    {
      feature->SetGeomFieldDirectly(geomIdx, ogrPoly->getLinearGeometry());
      delete ogrPoly;
      delete ogrCurve;
    }
    else
    {
      feature->SetGeomFieldDirectly(geomIdx, ogrCurve);
    }
}
Esempio n. 12
0
int ILI1Reader::ReadFeatures() {
    char **tokens = NULL;
    const char *pszLine = NULL;
    char *topic = CPLStrdup("(null)");
    int ret = TRUE;

    while (ret && (tokens = ReadParseLine()) != NULL)
    {
      const char *firsttok = tokens[0];
      if (EQUAL(firsttok, "SCNT"))
      {
        //read description
        do
        {
          pszLine = CPLReadLine( fpItf );
        }
        while (pszLine && !STARTS_WITH_CI(pszLine, "////"));
        ret = (pszLine != NULL);
      }
      else if (EQUAL(firsttok, "MOTR"))
      {
        //read model
        do
        {
          pszLine = CPLReadLine( fpItf );
        }
        while (pszLine && !STARTS_WITH_CI(pszLine, "////"));
        ret = (pszLine != NULL);
      }
      else if (EQUAL(firsttok, "MTID"))
      {
      }
      else if (EQUAL(firsttok, "MODL"))
      {
      }
      else if (EQUAL(firsttok, "TOPI") && CSLCount(tokens) >= 2)
      {
        CPLFree(topic);
        topic = CPLStrdup(CSLGetField(tokens, 1));
      }
      else if (EQUAL(firsttok, "TABL") && CSLCount(tokens) >= 2)
      {
        const char *layername
            = GetLayerNameString(topic, CSLGetField(tokens, 1));
        CPLDebug( "OGR_ILI", "Reading table '%s'", layername );
        curLayer = GetLayerByName(layername);

        if (curLayer == NULL) { //create one
          CPLError( CE_Warning, CPLE_AppDefined,
                    "No model definition for table '%s' found, "
                    "using default field names.", layername );
          OGRFeatureDefn* poFeatureDefn
            = new OGRFeatureDefn(
                GetLayerNameString(topic, CSLGetField(tokens, 1)));
          poFeatureDefn->SetGeomType( wkbUnknown );
          GeomFieldInfos oGeomFieldInfos;
          curLayer = new OGRILI1Layer(poFeatureDefn, oGeomFieldInfos, NULL);
          AddLayer(curLayer);
        }
        if(curLayer != NULL) {
          for (int i=0; i < curLayer->GetLayerDefn()->GetFieldCount(); i++) {
            CPLDebug( "OGR_ILI", "Field %d: %s", i,
                      curLayer->GetLayerDefn()->GetFieldDefn(i)->GetNameRef());
          }
        }
        ret = ReadTable(layername);
      }
      else if (EQUAL(firsttok, "ETOP"))
      {
      }
      else if (EQUAL(firsttok, "EMOD"))
      {
      }
      else if (EQUAL(firsttok, "ENDE"))
      {
        CSLDestroy(tokens);
        CPLFree(topic);
        return TRUE;
      }
      else
      {
        CPLError( CE_Warning, CPLE_AppDefined,
                  "Unexpected token: %s", firsttok );
      }

      CSLDestroy(tokens);
      tokens = NULL;
    }

    CSLDestroy(tokens);
    CPLFree(topic);

    return ret;
}
int main( int argc, char ** argv )

{
    int i, b3D = FALSE;
    int bInverse = FALSE;
    const char *pszSrcFilename = NULL;
    const char *pszDstFilename = NULL;
    char **papszLayers = NULL;
    const char *pszSQL = NULL;
    const char *pszBurnAttribute = NULL;
    const char *pszWHERE = NULL;
    std::vector<int> anBandList;
    std::vector<double> adfBurnValues;
    char **papszRasterizeOptions = NULL;
    double dfXRes = 0, dfYRes = 0;
    int bCreateOutput = FALSE;
    const char* pszFormat = "GTiff";
    int bFormatExplicitelySet = FALSE;
    char **papszCreateOptions = NULL;
    GDALDriverH hDriver = NULL;
    GDALDataType eOutputType = GDT_Float64;
    std::vector<double> adfInitVals;
    int bNoDataSet = FALSE;
    double dfNoData = 0;
    OGREnvelope sEnvelop;
    int bGotBounds = FALSE;
    int nXSize = 0, nYSize = 0;
    int bQuiet = FALSE;
    GDALProgressFunc pfnProgress = GDALTermProgress;
    OGRSpatialReferenceH hSRS = NULL;
    int bTargetAlignedPixels = FALSE;
    

    /* Check that we are running against at least GDAL 1.4 */
    /* Note to developers : if we use newer API, please change the requirement */
    if (atoi(GDALVersionInfo("VERSION_NUM")) < 1400)
    {
        fprintf(stderr, "At least, GDAL >= 1.4.0 is required for this version of %s, "
                "which was compiled against GDAL %s\n", argv[0], GDAL_RELEASE_NAME);
        exit(1);
    }

    GDALAllRegister();
    OGRRegisterAll();

    argc = GDALGeneralCmdLineProcessor( argc, &argv, 0 );
    if( argc < 1 )
        exit( -argc );

/* -------------------------------------------------------------------- */
/*      Parse arguments.                                                */
/* -------------------------------------------------------------------- */
    for( i = 1; i < argc; i++ )
    {
        if( EQUAL(argv[i], "--utility_version") )
        {
            printf("%s was compiled against GDAL %s and is running against GDAL %s\n",
                   argv[0], GDAL_RELEASE_NAME, GDALVersionInfo("RELEASE_NAME"));
            return 0;
        }
        else if( EQUAL(argv[i],"-q") || EQUAL(argv[i],"-quiet") )
        {
            bQuiet = TRUE;
            pfnProgress = GDALDummyProgress;
        }
        else if( EQUAL(argv[i],"-a") && i < argc-1 )
        {
            pszBurnAttribute = argv[++i];
        }
        else if( EQUAL(argv[i],"-b") && i < argc-1 )
        {
            if (strchr(argv[i+1], ' '))
            {
                char** papszTokens = CSLTokenizeString( argv[i+1] );
                char** papszIter = papszTokens;
                while(papszIter && *papszIter)
                {
                    anBandList.push_back(atoi(*papszIter));
                    papszIter ++;
                }
                CSLDestroy(papszTokens);
                i += 1;
            }
            else
            {
                while(i < argc-1 && ArgIsNumeric(argv[i+1]))
                {
                    anBandList.push_back(atoi(argv[i+1]));
                    i += 1;
                }
            }
        }
        else if( EQUAL(argv[i],"-3d")  )
        {
            b3D = TRUE;
            papszRasterizeOptions = 
                CSLSetNameValue( papszRasterizeOptions, "BURN_VALUE_FROM", "Z");
        }
        else if( EQUAL(argv[i],"-i")  )
        {
            bInverse = TRUE;
        }
        else if( EQUAL(argv[i],"-at")  )
        {
            papszRasterizeOptions = 
                CSLSetNameValue( papszRasterizeOptions, "ALL_TOUCHED", "TRUE" );
        }
        else if( EQUAL(argv[i],"-burn") && i < argc-1 )
        {
            if (strchr(argv[i+1], ' '))
            {
                char** papszTokens = CSLTokenizeString( argv[i+1] );
                char** papszIter = papszTokens;
                while(papszIter && *papszIter)
                {
                    adfBurnValues.push_back(atof(*papszIter));
                    papszIter ++;
                }
                CSLDestroy(papszTokens);
                i += 1;
            }
            else
            {
                while(i < argc-1 && ArgIsNumeric(argv[i+1]))
                {
                    adfBurnValues.push_back(atof(argv[i+1]));
                    i += 1;
                }
            }
        }
        else if( EQUAL(argv[i],"-where") && i < argc-1 )
        {
            pszWHERE = argv[++i];
        }
        else if( EQUAL(argv[i],"-l") && i < argc-1 )
        {
            papszLayers = CSLAddString( papszLayers, argv[++i] );
        }
        else if( EQUAL(argv[i],"-sql") && i < argc-1 )
        {
            pszSQL = argv[++i];
        }
        else if( EQUAL(argv[i],"-of") && i < argc-1 )
        {
            pszFormat = argv[++i];
            bFormatExplicitelySet = TRUE;
            bCreateOutput = TRUE;
        }
        else if( EQUAL(argv[i],"-init") && i < argc - 1 )
        {
            if (strchr(argv[i+1], ' '))
            {
                char** papszTokens = CSLTokenizeString( argv[i+1] );
                char** papszIter = papszTokens;
                while(papszIter && *papszIter)
                {
                    adfInitVals.push_back(atof(*papszIter));
                    papszIter ++;
                }
                CSLDestroy(papszTokens);
                i += 1;
            }
            else
            {
                while(i < argc-1 && ArgIsNumeric(argv[i+1]))
                {
                    adfInitVals.push_back(atof(argv[i+1]));
                    i += 1;
                }
            }
            bCreateOutput = TRUE;
        }
        else if( EQUAL(argv[i],"-a_nodata") && i < argc - 1 )
        {
            dfNoData = atof(argv[i+1]);
            bNoDataSet = TRUE;
            i += 1;
            bCreateOutput = TRUE;
        }
        else if( EQUAL(argv[i],"-a_srs") && i < argc-1 )
        {
            hSRS = OSRNewSpatialReference( NULL );

            if( OSRSetFromUserInput(hSRS, argv[i+1]) != OGRERR_NONE )
            {
                fprintf( stderr, "Failed to process SRS definition: %s\n", 
                         argv[i+1] );
                exit( 1 );
            }

            i++;
            bCreateOutput = TRUE;
        }   

        else if( EQUAL(argv[i],"-te") && i < argc - 4 )
        {
            sEnvelop.MinX = atof(argv[++i]);
            sEnvelop.MinY = atof(argv[++i]);
            sEnvelop.MaxX = atof(argv[++i]);
            sEnvelop.MaxY = atof(argv[++i]);
            bGotBounds = TRUE;
            bCreateOutput = TRUE;
        }
        else if( EQUAL(argv[i],"-a_ullr") && i < argc - 4 )
        {
            sEnvelop.MinX = atof(argv[++i]);
            sEnvelop.MaxY = atof(argv[++i]);
            sEnvelop.MaxX = atof(argv[++i]);
            sEnvelop.MinY = atof(argv[++i]);
            bGotBounds = TRUE;
            bCreateOutput = TRUE;
        }
        else if( EQUAL(argv[i],"-co") && i < argc-1 )
        {
            papszCreateOptions = CSLAddString( papszCreateOptions, argv[++i] );
            bCreateOutput = TRUE;
        }
        else if( EQUAL(argv[i],"-ot") && i < argc-1 )
        {
            int	iType;
            
            for( iType = 1; iType < GDT_TypeCount; iType++ )
            {
                if( GDALGetDataTypeName((GDALDataType)iType) != NULL
                    && EQUAL(GDALGetDataTypeName((GDALDataType)iType),
                             argv[i+1]) )
                {
                    eOutputType = (GDALDataType) iType;
                }
            }

            if( eOutputType == GDT_Unknown )
            {
                printf( "Unknown output pixel type: %s\n", argv[i+1] );
                Usage();
            }
            i++;
            bCreateOutput = TRUE;
        }
        else if( (EQUAL(argv[i],"-ts") || EQUAL(argv[i],"-outsize")) && i < argc-2 )
        {
            nXSize = atoi(argv[++i]);
            nYSize = atoi(argv[++i]);
            if (nXSize <= 0 || nYSize <= 0)
            {
                printf( "Wrong value for -outsize parameters\n");
                Usage();
            }
            bCreateOutput = TRUE;
        }
        else if( EQUAL(argv[i],"-tr") && i < argc-2 )
        {
            dfXRes = atof(argv[++i]);
            dfYRes = fabs(atof(argv[++i]));
            if( dfXRes == 0 || dfYRes == 0 )
            {
                printf( "Wrong value for -tr parameters\n");
                Usage();
            }
            bCreateOutput = TRUE;
        }
        else if( EQUAL(argv[i],"-tap") )
        {
            bTargetAlignedPixels = TRUE;
            bCreateOutput = TRUE;
        }
        else if( pszSrcFilename == NULL )
        {
            pszSrcFilename = argv[i];
        }
        else if( pszDstFilename == NULL )
        {
            pszDstFilename = argv[i];
        }
        else
            Usage();
    }

    if( pszSrcFilename == NULL || pszDstFilename == NULL )
    {
        fprintf( stderr, "Missing source or destination.\n\n" );
        Usage();
    }

    if( adfBurnValues.size() == 0 && pszBurnAttribute == NULL && !b3D )
    {
        fprintf( stderr, "At least one of -3d, -burn or -a required.\n\n" );
        Usage();
    }

    if( bCreateOutput )
    {
        if( dfXRes == 0 && dfYRes == 0 && nXSize == 0 && nYSize == 0 )
        {
            fprintf( stderr, "'-tr xres yes' or '-ts xsize ysize' is required.\n\n" );
            Usage();
        }
    
        if (bTargetAlignedPixels && dfXRes == 0 && dfYRes == 0)
        {
            fprintf( stderr, "-tap option cannot be used without using -tr\n");
            Usage();
        }

        if( anBandList.size() != 0 )
        {
            fprintf( stderr, "-b option cannot be used when creating a GDAL dataset.\n\n" );
            Usage();
        }

        int nBandCount = 1;

        if (adfBurnValues.size() != 0)
            nBandCount = adfBurnValues.size();

        if ((int)adfInitVals.size() > nBandCount)
            nBandCount = adfInitVals.size();

        if (adfInitVals.size() == 1)
        {
            for(i=1;i<=nBandCount - 1;i++)
                adfInitVals.push_back( adfInitVals[0] );
        }

        int i;
        for(i=1;i<=nBandCount;i++)
            anBandList.push_back( i );
    }
    else
    {
        if( anBandList.size() == 0 )
            anBandList.push_back( 1 );
    }

/* -------------------------------------------------------------------- */
/*      Open source vector dataset.                                     */
/* -------------------------------------------------------------------- */
    OGRDataSourceH hSrcDS;

    hSrcDS = OGROpen( pszSrcFilename, FALSE, NULL );
    if( hSrcDS == NULL )
    {
        fprintf( stderr, "Failed to open feature source: %s\n", 
                 pszSrcFilename);
        exit( 1 );
    }

    if( pszSQL == NULL && papszLayers == NULL )
    {
        if( OGR_DS_GetLayerCount(hSrcDS) == 1 )
        {
            papszLayers = CSLAddString(NULL, OGR_L_GetName(OGR_DS_GetLayer(hSrcDS, 0)));
        }
        else
        {
            fprintf( stderr, "At least one of -l or -sql required.\n\n" );
            Usage();
        }
    }

/* -------------------------------------------------------------------- */
/*      Open target raster file.  Eventually we will add optional       */
/*      creation.                                                       */
/* -------------------------------------------------------------------- */
    GDALDatasetH hDstDS = NULL;

    if (bCreateOutput)
    {
/* -------------------------------------------------------------------- */
/*      Find the output driver.                                         */
/* -------------------------------------------------------------------- */
        hDriver = GDALGetDriverByName( pszFormat );
        if( hDriver == NULL 
            || GDALGetMetadataItem( hDriver, GDAL_DCAP_CREATE, NULL ) == NULL )
        {
            int	iDr;

            printf( "Output driver `%s' not recognised or does not support\n", 
                    pszFormat );
            printf( "direct output file creation.  The following format drivers are configured\n"
                    "and support direct output:\n" );

            for( iDr = 0; iDr < GDALGetDriverCount(); iDr++ )
            {
                GDALDriverH hDriver = GDALGetDriver(iDr);

                if( GDALGetMetadataItem( hDriver, GDAL_DCAP_CREATE, NULL) != NULL )
                {
                    printf( "  %s: %s\n",
                            GDALGetDriverShortName( hDriver  ),
                            GDALGetDriverLongName( hDriver ) );
                }
            }
            printf( "\n" );
            exit( 1 );
        }

        if (!bQuiet && !bFormatExplicitelySet)
            CheckExtensionConsistency(pszDstFilename, pszFormat);
    }
    else
    {
        hDstDS = GDALOpen( pszDstFilename, GA_Update );
        if( hDstDS == NULL )
            exit( 2 );
    }

/* -------------------------------------------------------------------- */
/*      Process SQL request.                                            */
/* -------------------------------------------------------------------- */
    if( pszSQL != NULL )
    {
        OGRLayerH hLayer;

        hLayer = OGR_DS_ExecuteSQL( hSrcDS, pszSQL, NULL, NULL ); 
        if( hLayer != NULL )
        {
            if (bCreateOutput)
            {
                std::vector<OGRLayerH> ahLayers;
                ahLayers.push_back(hLayer);

                hDstDS = CreateOutputDataset(ahLayers, hSRS,
                                 bGotBounds, sEnvelop,
                                 hDriver, pszDstFilename,
                                 nXSize, nYSize, dfXRes, dfYRes,
                                 bTargetAlignedPixels,
                                 anBandList.size(), eOutputType,
                                 papszCreateOptions, adfInitVals,
                                 bNoDataSet, dfNoData);
            }

            ProcessLayer( hLayer, hSRS != NULL, hDstDS, anBandList, 
                          adfBurnValues, b3D, bInverse, pszBurnAttribute,
                          papszRasterizeOptions, pfnProgress, NULL );

            OGR_DS_ReleaseResultSet( hSrcDS, hLayer );
        }
    }

/* -------------------------------------------------------------------- */
/*      Create output file if necessary.                                */
/* -------------------------------------------------------------------- */
    int nLayerCount = CSLCount(papszLayers);

    if (bCreateOutput && hDstDS == NULL)
    {
        std::vector<OGRLayerH> ahLayers;

        for( i = 0; i < nLayerCount; i++ )
        {
            OGRLayerH hLayer = OGR_DS_GetLayerByName( hSrcDS, papszLayers[i] );
            if( hLayer == NULL )
            {
                continue;
            }
            ahLayers.push_back(hLayer);
        }

        hDstDS = CreateOutputDataset(ahLayers, hSRS,
                                bGotBounds, sEnvelop,
                                hDriver, pszDstFilename,
                                nXSize, nYSize, dfXRes, dfYRes,
                                bTargetAlignedPixels,
                                anBandList.size(), eOutputType,
                                papszCreateOptions, adfInitVals,
                                bNoDataSet, dfNoData);
    }

/* -------------------------------------------------------------------- */
/*      Process each layer.                                             */
/* -------------------------------------------------------------------- */

    for( i = 0; i < nLayerCount; i++ )
    {
        OGRLayerH hLayer = OGR_DS_GetLayerByName( hSrcDS, papszLayers[i] );
        if( hLayer == NULL )
        {
            fprintf( stderr, "Unable to find layer %s, skipping.\n", 
                      papszLayers[i] );
            continue;
        }

        if( pszWHERE )
        {
            if( OGR_L_SetAttributeFilter( hLayer, pszWHERE ) != OGRERR_NONE )
                break;
        }

        void *pScaledProgress;
        pScaledProgress =
            GDALCreateScaledProgress( 0.0, 1.0 * (i + 1) / nLayerCount,
                                      pfnProgress, NULL );

        ProcessLayer( hLayer, hSRS != NULL, hDstDS, anBandList, 
                      adfBurnValues, b3D, bInverse, pszBurnAttribute,
                      papszRasterizeOptions, GDALScaledProgress, pScaledProgress );

        GDALDestroyScaledProgress( pScaledProgress );
    }

/* -------------------------------------------------------------------- */
/*      Cleanup                                                         */
/* -------------------------------------------------------------------- */

    OGR_DS_Destroy( hSrcDS );
    GDALClose( hDstDS );

    OSRDestroySpatialReference(hSRS);

    CSLDestroy( argv );
    CSLDestroy( papszRasterizeOptions );
    CSLDestroy( papszLayers );
    CSLDestroy( papszCreateOptions );
    
    GDALDestroyDriverManager();
    OGRCleanupAll();

    return 0;
}
Esempio n. 14
0
int OGRCSVDataSource::OpenTable( const char * pszFilename,
                                 const char* pszNfdcRunwaysGeomField,
                                 const char* pszGeonamesGeomFieldPrefix)

{
/* -------------------------------------------------------------------- */
/*      Open the file.                                                  */
/* -------------------------------------------------------------------- */
    VSILFILE       * fp;

    if( bUpdate )
        fp = VSIFOpenL( pszFilename, "rb+" );
    else
        fp = VSIFOpenL( pszFilename, "rb" );
    if( fp == NULL )
    {
        CPLError( CE_Warning, CPLE_OpenFailed, 
                  "Failed to open %s, %s.", 
                  pszFilename, VSIStrerror( errno ) );
        return FALSE;
    }

    if( !bUpdate && strstr(pszFilename, "/vsigzip/") == NULL &&
        strstr(pszFilename, "/vsizip/") == NULL )
        fp = (VSILFILE*) VSICreateBufferedReaderHandle((VSIVirtualHandle*)fp);

    CPLString osLayerName = CPLGetBasename(pszFilename);
    CPLString osExt = CPLGetExtension(pszFilename);
    if( strncmp(pszFilename, "/vsigzip/", 9) == 0 && EQUAL(osExt, "gz") )
    {
        if( strlen(pszFilename) > 7 && EQUAL(pszFilename + strlen(pszFilename) - 7, ".csv.gz") )
        {
            osLayerName = osLayerName.substr(0, osLayerName.size() - 4);
            osExt = "csv";
        }
        else if( strlen(pszFilename) > 7 && EQUAL(pszFilename + strlen(pszFilename) - 7, ".tsv.gz") )
        {
            osLayerName = osLayerName.substr(0, osLayerName.size() - 4);
            osExt = "tsv";
        }
    }

/* -------------------------------------------------------------------- */
/*      Read and parse a line.  Did we get multiple fields?             */
/* -------------------------------------------------------------------- */

    const char* pszLine = CPLReadLineL( fp );
    if (pszLine == NULL)
    {
        VSIFCloseL( fp );
        return FALSE;
    }
    char chDelimiter = CSVDetectSeperator(pszLine);

    /* Force the delimiter to be TAB for a .tsv file that has a tabulation */
    /* in its first line */
    if( EQUAL(osExt, "tsv") && chDelimiter != '\t' &&
        strchr(pszLine, '\t') != NULL )
    {
        chDelimiter = '\t';
    }

    VSIRewindL( fp );

    /* GNIS specific */
    if (pszGeonamesGeomFieldPrefix != NULL &&
        strchr(pszLine, '|') != NULL)
        chDelimiter = '|';

    char **papszFields = OGRCSVReadParseLineL( fp, chDelimiter, FALSE );
						
    if( CSLCount(papszFields) < 2 )
    {
        VSIFCloseL( fp );
        CSLDestroy( papszFields );
        return FALSE;
    }

    VSIRewindL( fp );
    CSLDestroy( papszFields );

/* -------------------------------------------------------------------- */
/*      Create a layer.                                                 */
/* -------------------------------------------------------------------- */
    nLayers++;
    papoLayers = (OGRCSVLayer **) CPLRealloc(papoLayers, 
                                             sizeof(void*) * nLayers);

    if (pszNfdcRunwaysGeomField != NULL)
    {
        osLayerName += "_";
        osLayerName += pszNfdcRunwaysGeomField;
    }
    else if (pszGeonamesGeomFieldPrefix != NULL &&
             !EQUAL(pszGeonamesGeomFieldPrefix, ""))
    {
        osLayerName += "_";
        osLayerName += pszGeonamesGeomFieldPrefix;
    }
    if (EQUAL(pszFilename, "/vsistdin/"))
        osLayerName = "layer";
    papoLayers[nLayers-1] = 
        new OGRCSVLayer( osLayerName, fp, pszFilename, FALSE, bUpdate,
                         chDelimiter, pszNfdcRunwaysGeomField, pszGeonamesGeomFieldPrefix );

    return TRUE;
}
Esempio n. 15
0
NASAKeywordHandler::~NASAKeywordHandler()

{
    CSLDestroy( papszKeywordList );
    papszKeywordList = NULL;
}
Esempio n. 16
0
GDALDataset *XYZDataset::Open( GDALOpenInfo * poOpenInfo )

{
    int         i;
    int         bHasHeaderLine;
    int         nCommentLineCount = 0;

    if (!IdentifyEx(poOpenInfo, bHasHeaderLine, nCommentLineCount))
        return NULL;

    CPLString osFilename(poOpenInfo->pszFilename);

    /*  GZipped .xyz files are common, so automagically open them */
    /*  if the /vsigzip/ has not been explicitely passed */
    if (strlen(poOpenInfo->pszFilename) > 6 &&
        EQUAL(poOpenInfo->pszFilename + strlen(poOpenInfo->pszFilename) - 6, "xyz.gz") &&
        !EQUALN(poOpenInfo->pszFilename, "/vsigzip/", 9))
    {
        osFilename = "/vsigzip/";
        osFilename += poOpenInfo->pszFilename;
    }

/* -------------------------------------------------------------------- */
/*      Find dataset characteristics                                    */
/* -------------------------------------------------------------------- */
    VSILFILE* fp = VSIFOpenL(osFilename.c_str(), "rb");
    if (fp == NULL)
        return NULL;

    /* For better performance of CPLReadLine2L() we create a buffered reader */
    /* (except for /vsigzip/ since it has one internally) */
    if (!EQUALN(poOpenInfo->pszFilename, "/vsigzip/", 9))
        fp = (VSILFILE*) VSICreateBufferedReaderHandle((VSIVirtualHandle*)fp);
    
    const char* pszLine;
    int nXIndex = -1, nYIndex = -1, nZIndex = -1;
    int nMinTokens = 0;

    for(i=0;i<nCommentLineCount;i++)
        CPLReadLine2L(fp, 100, NULL);

/* -------------------------------------------------------------------- */
/*      Parse header line                                               */
/* -------------------------------------------------------------------- */
    if (bHasHeaderLine)
    {
        pszLine = CPLReadLine2L(fp, 100, NULL);
        if (pszLine == NULL)
        {
            VSIFCloseL(fp);
            return NULL;
        }
        char** papszTokens = CSLTokenizeString2( pszLine, " ,\t;",
                                                 CSLT_HONOURSTRINGS );
        int nTokens = CSLCount(papszTokens);
        if (nTokens < 3)
        {
            CPLError(CE_Failure, CPLE_AppDefined,
                     "At line %d, found %d tokens. Expected 3 at least",
                      1, nTokens);
            CSLDestroy(papszTokens);
            VSIFCloseL(fp);
            return NULL;
        }
        int i;
        for(i=0;i<nTokens;i++)
        {
            if (EQUAL(papszTokens[i], "x") ||
                EQUALN(papszTokens[i], "lon", 3) ||
                EQUALN(papszTokens[i], "east", 4))
                nXIndex = i;
            else if (EQUAL(papszTokens[i], "y") ||
                     EQUALN(papszTokens[i], "lat", 3) ||
                     EQUALN(papszTokens[i], "north", 5))
                nYIndex = i;
            else if (EQUAL(papszTokens[i], "z") ||
                     EQUALN(papszTokens[i], "alt", 3) ||
                     EQUAL(papszTokens[i], "height"))
                nZIndex = i;
        }
        CSLDestroy(papszTokens);
        papszTokens = NULL;
        if (nXIndex < 0 || nYIndex < 0 || nZIndex < 0)
        {
            CPLError(CE_Warning, CPLE_AppDefined,
                     "Could not find one of the X, Y or Z column names in header line. Defaulting to the first 3 columns");
            nXIndex = 0;
            nYIndex = 1;
            nZIndex = 2;
        }
        nMinTokens = 1 + MAX(MAX(nXIndex, nYIndex), nZIndex);
    }
    else
    {
        nXIndex = 0;
        nYIndex = 1;
        nZIndex = 2;
        nMinTokens = 3;
    }
    
/* -------------------------------------------------------------------- */
/*      Parse data lines                                                */
/* -------------------------------------------------------------------- */

    int nLineNum = 0;
    int nDataLineNum = 0;
    double dfX = 0, dfY = 0, dfZ = 0;
    double dfMinX = 0, dfMinY = 0, dfMaxX = 0, dfMaxY = 0;
    double dfMinZ = 0, dfMaxZ = 0;
    double dfLastX = 0, dfLastY = 0;
    std::vector<double> adfStepX, adfStepY;
    GDALDataType eDT = GDT_Byte;
    int bSameNumberOfValuesPerLine = TRUE;
    char chDecimalSep = '\0';
    int bStepYSign = 0;
    while((pszLine = CPLReadLine2L(fp, 100, NULL)) != NULL)
    {
        nLineNum ++;

        const char* pszPtr = pszLine;
        char ch;
        int nCol = 0;
        int bLastWasSep = TRUE;
        if( chDecimalSep == '\0' )
        {
            int nCountComma = 0;
            int nCountFieldSep = 0;
            while((ch = *pszPtr) != '\0')
            {
                if( ch == '.' )
                {
                    chDecimalSep = '.';
                    break;
                }
                else if( ch == ',' )
                {
                    nCountComma ++;
                    bLastWasSep = FALSE;
                }
                else if( ch == ' ' )
                {
                    if (!bLastWasSep)
                        nCountFieldSep ++;
                    bLastWasSep = TRUE;
                }
                else if( ch == '\t' || ch == ';' )
                {
                    nCountFieldSep ++;
                    bLastWasSep = TRUE;
                }
                else
                    bLastWasSep = FALSE;
                pszPtr ++;
            }
            if( chDecimalSep == '\0' )
            {
                /* 1,2,3 */
                if( nCountComma >= 2 && nCountFieldSep == 0 )
                    chDecimalSep = '.';
                /* 23,5;33;45 */
                else if ( nCountComma > 0 && nCountFieldSep > 0 )
                    chDecimalSep = ',';
            }
            pszPtr = pszLine;
            bLastWasSep = TRUE;
        }

        char chLocalDecimalSep = chDecimalSep ? chDecimalSep : '.';
        while((ch = *pszPtr) != '\0')
        {
            if (ch == ' ')
            {
                if (!bLastWasSep)
                    nCol ++;
                bLastWasSep = TRUE;
            }
            else if ((ch == ',' && chLocalDecimalSep != ',') || ch == '\t' || ch == ';')
            {
                nCol ++;
                bLastWasSep = TRUE;
            }
            else
            {
                if (bLastWasSep)
                {
                    if (nCol == nXIndex)
                        dfX = CPLAtofDelim(pszPtr, chLocalDecimalSep);
                    else if (nCol == nYIndex)
                        dfY = CPLAtofDelim(pszPtr, chLocalDecimalSep);
                    else if (nCol == nZIndex)
                    {
                        dfZ = CPLAtofDelim(pszPtr, chLocalDecimalSep);
                        if( nDataLineNum == 0 )
                            dfMinZ = dfMaxZ = dfZ;
                        else if( dfZ < dfMinZ )
                            dfMinZ = dfZ;
                        else if( dfZ > dfMaxZ )
                            dfMaxZ = dfZ;
                        int nZ = (int)dfZ;
                        if ((double)nZ != dfZ)
                        {
                            eDT = GDT_Float32;
                        }
                        else if ((eDT == GDT_Byte || eDT == GDT_Int16) && (nZ < 0 || nZ > 255))
                        {
                            if (nZ < -32768 || nZ > 32767)
                                eDT = GDT_Int32;
                            else
                                eDT = GDT_Int16;
                        }
                    }
                }
                bLastWasSep = FALSE;
            }
            pszPtr ++;
        }
        /* skip empty lines */
        if (bLastWasSep && nCol == 0)
        {
            continue;
        }
        nDataLineNum ++;
        nCol ++;
        if (nCol < nMinTokens)
        {
            CPLError(CE_Failure, CPLE_AppDefined,
                     "At line %d, found %d tokens. Expected %d at least",
                      nLineNum, nCol, nMinTokens);
            VSIFCloseL(fp);
            return NULL;
        }

        if (nDataLineNum == 1)
        {
            dfMinX = dfMaxX = dfX;
            dfMinY = dfMaxY = dfY;
        }
        else
        {
            double dfStepY = dfY - dfLastY;
            if( dfStepY == 0.0 )
            {
                double dfStepX = dfX - dfLastX;
                if( dfStepX <= 0 )
                {
                    CPLError(CE_Failure, CPLE_AppDefined,
                         "Ungridded dataset: At line %d, X spacing was %f. Expected >0 value",
                         nLineNum, dfStepX);
                    VSIFCloseL(fp);
                    return NULL;
                }
                if( std::find(adfStepX.begin(), adfStepX.end(), dfStepX) == adfStepX.end() )
                {
                    int bAddNewValue = TRUE;
                    std::vector<double>::iterator oIter = adfStepX.begin();
                    while( oIter != adfStepX.end() )
                    {
                        if( dfStepX < *oIter && fmod( *oIter, dfStepX ) < 1e-8 )
                        {
                            adfStepX.erase(oIter);
                        }
                        else if( dfStepX > *oIter && fmod( dfStepX, *oIter ) < 1e-8 )
                        {
                            bAddNewValue = FALSE;
                            break;
                        }
                        else
                        {
                            ++ oIter;
                        }
                    }
                    if( bAddNewValue )
                    {
                        adfStepX.push_back(dfStepX);
                        if( adfStepX.size() == 10 )
                        {
                            CPLError(CE_Failure, CPLE_AppDefined,
                                "Ungridded dataset: too many stepX values");
                            VSIFCloseL(fp);
                            return NULL;
                        }
                    }
                }
            }
            else
            {
                int bNewStepYSign = (dfStepY < 0.0) ? -1 : 1;
                if( bStepYSign == 0 )
                    bStepYSign = bNewStepYSign;
                else if( bStepYSign != bNewStepYSign )
                {
                    CPLError(CE_Failure, CPLE_AppDefined,
                         "Ungridded dataset: At line %d, change of Y direction",
                         nLineNum);
                    VSIFCloseL(fp);
                    return NULL;
                }
                if( bNewStepYSign < 0 ) dfStepY = -dfStepY;
                if( adfStepY.size() == 0 )
                    adfStepY.push_back(dfStepY);
                else if( adfStepY[0] != dfStepY )
                {
                    CPLError(CE_Failure, CPLE_AppDefined,
                        "Ungridded dataset: At line %d, too many stepY values", nLineNum);
                    VSIFCloseL(fp);
                    return NULL;
                }
            }

            if (dfX < dfMinX) dfMinX = dfX;
            if (dfX > dfMaxX) dfMaxX = dfX;
            if (dfY < dfMinY) dfMinY = dfY;
            if (dfY > dfMaxY) dfMaxY = dfY;
        }

        dfLastX = dfX;
        dfLastY = dfY;
    }

    if (adfStepX.size() != 1)
    {
        CPLError(CE_Failure, CPLE_AppDefined, "Couldn't determine X spacing");
        VSIFCloseL(fp);
        return NULL;
    }

    if (adfStepY.size() != 1)
    {
        CPLError(CE_Failure, CPLE_AppDefined, "Couldn't determine Y spacing");
        VSIFCloseL(fp);
        return NULL;
    }

    double dfStepX = adfStepX[0];
    double dfStepY = adfStepY[0] * bStepYSign;
    int nXSize = 1 + int((dfMaxX - dfMinX) / dfStepX + 0.5);
    int nYSize = 1 + int((dfMaxY - dfMinY) / fabs(dfStepY) + 0.5);

    //CPLDebug("XYZ", "minx=%f maxx=%f stepx=%f", dfMinX, dfMaxX, dfStepX);
    //CPLDebug("XYZ", "miny=%f maxy=%f stepy=%f", dfMinY, dfMaxY, dfStepY);

    if (nDataLineNum != nXSize * nYSize)
    {
        bSameNumberOfValuesPerLine = FALSE;
    }
    
    if (poOpenInfo->eAccess == GA_Update)
    {
        CPLError( CE_Failure, CPLE_NotSupported, 
                  "The XYZ driver does not support update access to existing"
                  " datasets.\n" );
        VSIFCloseL(fp);
        return NULL;
    }

/* -------------------------------------------------------------------- */
/*      Create a corresponding GDALDataset.                             */
/* -------------------------------------------------------------------- */
    XYZDataset         *poDS;

    poDS = new XYZDataset();
    poDS->fp = fp;
    poDS->bHasHeaderLine = bHasHeaderLine;
    poDS->nCommentLineCount = nCommentLineCount;
    poDS->chDecimalSep = chDecimalSep ? chDecimalSep : '.';
    poDS->nXIndex = nXIndex;
    poDS->nYIndex = nYIndex;
    poDS->nZIndex = nZIndex;
    poDS->nMinTokens = nMinTokens;
    poDS->nRasterXSize = nXSize;
    poDS->nRasterYSize = nYSize;
    poDS->adfGeoTransform[0] = dfMinX - dfStepX / 2;
    poDS->adfGeoTransform[1] = dfStepX;
    poDS->adfGeoTransform[3] = (dfStepY < 0) ? dfMaxY - dfStepY / 2 :
                                               dfMinY - dfStepY / 2;
    poDS->adfGeoTransform[5] = dfStepY;
    poDS->bSameNumberOfValuesPerLine = bSameNumberOfValuesPerLine;
    poDS->dfMinZ = dfMinZ;
    poDS->dfMaxZ = dfMaxZ;
    //CPLDebug("XYZ", "bSameNumberOfValuesPerLine = %d", bSameNumberOfValuesPerLine);

    if (!GDALCheckDatasetDimensions(poDS->nRasterXSize, poDS->nRasterYSize))
    {
        delete poDS;
        return NULL;
    }

/* -------------------------------------------------------------------- */
/*      Create band information objects.                                */
/* -------------------------------------------------------------------- */
    poDS->nBands = 1;
    for( i = 0; i < poDS->nBands; i++ )
        poDS->SetBand( i+1, new XYZRasterBand( poDS, i+1, eDT ) );

/* -------------------------------------------------------------------- */
/*      Initialize any PAM information.                                 */
/* -------------------------------------------------------------------- */
    poDS->SetDescription( poOpenInfo->pszFilename );
    poDS->TryLoadXML();

/* -------------------------------------------------------------------- */
/*      Support overviews.                                              */
/* -------------------------------------------------------------------- */
    poDS->oOvManager.Initialize( poDS, poOpenInfo->pszFilename );
    return( poDS );
}
Esempio n. 17
0
GDALDataset *ISIS2Dataset::Open( GDALOpenInfo * poOpenInfo )
{
/* -------------------------------------------------------------------- */
/*      Does this look like a CUBE dataset?                             */
/* -------------------------------------------------------------------- */
    if( poOpenInfo->pabyHeader == NULL
        || strstr((const char *)poOpenInfo->pabyHeader,"^QUBE") == NULL )
        return NULL;

/* -------------------------------------------------------------------- */
/*      Open the file using the large file API.                         */
/* -------------------------------------------------------------------- */
    FILE *fpQube = VSIFOpenL( poOpenInfo->pszFilename, "rb" );

    if( fpQube == NULL )
        return NULL;

    ISIS2Dataset 	*poDS;

    poDS = new ISIS2Dataset();

    if( ! poDS->oKeywords.Ingest( fpQube, 0 ) )
    {
        VSIFCloseL( fpQube );
        delete poDS;
        return NULL;
    }
    
    VSIFCloseL( fpQube );

/* -------------------------------------------------------------------- */
/*	We assume the user is pointing to the label (ie. .lab) file.  	*/
/* -------------------------------------------------------------------- */
    // QUBE can be inline or detached and point to an image name
    // ^QUBE = 76
    // ^QUBE = ("ui31s015.img",6441<BYTES>) - has another label on the image
    // ^QUBE = "ui31s015.img" - which implies no label or skip value

    const char *pszQube = poDS->GetKeyword( "^QUBE" );
    int nQube = atoi(pszQube);

    if( pszQube[0] == '"' || pszQube[0] == '(' )
    {
        CPLError( CE_Failure, CPLE_AppDefined,
                  "ISIS2 driver does not support detached images." );
        return NULL;
    }

/* -------------------------------------------------------------------- */
/*      Check if file an ISIS2 header file?  Read a few lines of text   */
/*      searching for something starting with nrows or ncols.           */
/* -------------------------------------------------------------------- */
    GDALDataType eDataType = GDT_Byte;
    OGRSpatialReference oSRS;

    //image parameters
    int	nRows, nCols, nBands = 1;
    int nSkipBytes = 0;
    int itype;
    int  s_ix, s_iy, s_iz; // check SUFFIX_ITEMS params.
    int record_bytes;
    int	bNoDataSet = FALSE;
    char chByteOrder = 'M';  //default to MSB
 
    //Georef parameters
    double dfULXMap=0.5;
    double dfULYMap = 0.5;
    double dfXDim = 1.0;
    double dfYDim = 1.0;
    double dfNoData = 0.0;
    double xulcenter = 0.0;
    double yulcenter = 0.0;

    //projection parameters
    int	bProjectionSet = TRUE;
    double semi_major = 0.0;
    double semi_minor = 0.0;
    double iflattening = 0.0;
    float center_lat = 0.0;
    float center_lon = 0.0;
    float first_std_parallel = 0.0;
    float second_std_parallel = 0.0;
    FILE	*fp;

    /* -------------------------------------------------------------------- */
    /*      Checks to see if this is valid ISIS2 cube                       */
    /*      SUFFIX_ITEM tag in .cub file should be (0,0,0); no side-planes  */
    /* -------------------------------------------------------------------- */
    s_ix = atoi(poDS->GetKeywordSub( "QUBE.SUFFIX_ITEMS", 1 ));
    s_iy = atoi(poDS->GetKeywordSub( "QUBE.SUFFIX_ITEMS", 2 ));
    s_iz = atoi(poDS->GetKeywordSub( "QUBE.SUFFIX_ITEMS", 3 ));
     
    if( s_ix != 0 || s_iy != 0 || s_iz != 0 ) 
    {
        CPLError( CE_Failure, CPLE_OpenFailed, 
                  "*** ISIS 2 cube file has invalid SUFFIX_ITEMS parameters:\n"
                  "*** gdal isis2 driver requires (0, 0, 0), thus no sideplanes or backplanes\n"
                  "found: (%i, %i, %i)\n\n", s_ix, s_iy, s_iz );
        return NULL;
    } 

    /**************** end SUFFIX_ITEM check ***********************/
    
    
    /***********   Grab layout type (BSQ, BIP, BIL) ************/
    //  AXIS_NAME = (SAMPLE,LINE,BAND)
    /***********************************************************/
    const char *value;

    char szLayout[10] = "BSQ"; //default to band seq.
    value = poDS->GetKeyword( "QUBE.AXIS_NAME", "" );
    if (EQUAL(value,"(SAMPLE,LINE,BAND)") )
        strcpy(szLayout,"BSQ");
    else if (EQUAL(value,"(BAND,LINE,SAMPLE)") )
        strcpy(szLayout,"BIP");
    else if (EQUAL(value,"(SAMPLE,BAND,LINE)") || EQUAL(value,"") )
        strcpy(szLayout,"BSQ");
    else {
        CPLError( CE_Failure, CPLE_OpenFailed, 
                  "%s layout not supported. Abort\n\n", value);
        return NULL;
    }

    /***********   Grab samples lines band ************/
    nCols = atoi(poDS->GetKeywordSub("QUBE.CORE_ITEMS",1));
    nRows = atoi(poDS->GetKeywordSub("QUBE.CORE_ITEMS",2));
    nBands = atoi(poDS->GetKeywordSub("QUBE.CORE_ITEMS",3));
    
    /***********   Grab Qube record bytes  **********/
    record_bytes = atoi(poDS->GetKeyword("RECORD_BYTES"));

    if (nQube > 0)
        nSkipBytes = (nQube - 1) * record_bytes;     
    else
        nSkipBytes = 0;     
     
    /********   Grab format type - isis2 only supports 8,16,32 *******/
    itype = atoi(poDS->GetKeyword("QUBE.CORE_ITEM_BYTES",""));
    switch(itype) {
      case 1 :
        eDataType = GDT_Byte;
        dfNoData = NULL1;
        bNoDataSet = TRUE;
        break;
      case 2 :
        eDataType = GDT_Int16;
        dfNoData = NULL2;
        bNoDataSet = TRUE;
        break;
      case 4 :
        eDataType = GDT_Float32;
        dfNoData = NULL3;
        bNoDataSet = TRUE;
        break;
      default :
        CPLError( CE_Failure, CPLE_AppDefined,
                  "Itype of %d is not supported in ISIS 2.",
                  itype); 
        delete poDS;
        return NULL;
    }

    /***********   Grab samples lines band ************/
    value = poDS->GetKeyword( "QUBE.CORE_ITEM_TYPE" );
    if( (EQUAL(value,"PC_INTEGER")) || 
        (EQUAL(value,"PC_UNSIGNED_INTEGER")) || 
        (EQUAL(value,"PC_REAL")) ) {
        chByteOrder = 'I';
    }
    
    /***********   Grab Cellsize ************/
    value = poDS->GetKeyword("QUBE.IMAGE_MAP_PROJECTION.MAP_SCALE");
    if (strlen(value) > 0 ) {
        dfXDim = (float) atof(value) * 1000.0; /* convert from km to m */
        dfYDim = (float) atof(value) * 1000.0 * -1;
    }
    
    /***********   Grab LINE_PROJECTION_OFFSET ************/
    value = poDS->GetKeyword("QUBE.IMAGE_MAP_PROJECTION.LINE_PROJECTION_OFFSET");
    if (strlen(value) > 0) {
        yulcenter = (float) atof(value);
        yulcenter = ((yulcenter) * dfYDim);
        dfULYMap = yulcenter - (dfYDim/2);
    }
     
    /***********   Grab SAMPLE_PROJECTION_OFFSET ************/
    value = poDS->GetKeyword("QUBE.IMAGE_MAP_PROJECTION.SAMPLE_PROJECTION_OFFSET");
    if( strlen(value) > 0 ) {
        xulcenter = (float) atof(value);
        xulcenter = ((xulcenter) * dfXDim);
        dfULXMap = xulcenter - (dfXDim/2);
    }
     
    /***********  Grab TARGET_NAME  ************/
    /**** This is the planets name i.e. MARS ***/
    CPLString target_name = poDS->GetKeyword("QUBE.TARGET_NAME");
     
    /***********   Grab MAP_PROJECTION_TYPE ************/
    CPLString map_proj_name = 
        poDS->GetKeyword( "QUBE.IMAGE_MAP_PROJECTION.MAP_PROJECTION_TYPE");
    poDS->CleanString( map_proj_name );

    /***********   Grab SEMI-MAJOR ************/
    semi_major = 
        atof(poDS->GetKeyword( "QUBE.IMAGE_MAP_PROJECTION.A_AXIS_RADIUS")) * 1000.0;

    /***********   Grab semi-minor ************/
    semi_minor = 
        atof(poDS->GetKeyword( "QUBE.IMAGE_MAP_PROJECTION.C_AXIS_RADIUS")) * 1000.0;

    /***********   Grab CENTER_LAT ************/
    center_lat = 
        atof(poDS->GetKeyword( "QUBE.IMAGE_MAP_PROJECTION.CENTER_LATITUDE"));

    /***********   Grab CENTER_LON ************/
    center_lon = 
        atof(poDS->GetKeyword( "QUBE.IMAGE_MAP_PROJECTION.CENTER_LONGITUDE"));

    /***********   Grab 1st std parallel ************/
    first_std_parallel = 
        atof(poDS->GetKeyword( "QUBE.IMAGE_MAP_PROJECTION.FIRST_STANDARD_PARALLEL"));

    /***********   Grab 2nd std parallel ************/
    second_std_parallel = 
        atof(poDS->GetKeyword( "QUBE.IMAGE_MAP_PROJECTION.SECOND_STANDARD_PARALLEL"));
     
    /*** grab  PROJECTION_LATITUDE_TYPE = "PLANETOCENTRIC" ****/
    // Need to further study how ocentric/ographic will effect the gdal library.
    // So far we will use this fact to define a sphere or ellipse for some projections
    // Frank - may need to talk this over
    char bIsGeographic = TRUE;
    value = poDS->GetKeyword("CUBE.IMAGE_MAP_PROJECTION.PROJECTION_LATITUDE_TYPE");
    if (EQUAL( value, "\"PLANETOCENTRIC\"" ))
        bIsGeographic = FALSE; 
     
    CPLDebug("ISIS2","using projection %s", map_proj_name.c_str() );

    //Set oSRS projection and parameters
    if ((EQUAL( map_proj_name, "EQUIRECTANGULAR_CYLINDRICAL" )) ||
        (EQUAL( map_proj_name, "EQUIRECTANGULAR" )) ||
        (EQUAL( map_proj_name, "SIMPLE_CYLINDRICAL" )) ) {
        oSRS.OGRSpatialReference::SetEquirectangular2 ( 0.0, center_lon, center_lat, 0, 0 );
    } else if (EQUAL( map_proj_name, "ORTHOGRAPHIC" )) { 
        oSRS.OGRSpatialReference::SetOrthographic ( center_lat, center_lon, 0, 0 );
    } else if ((EQUAL( map_proj_name, "SINUSOIDAL" )) ||
               (EQUAL( map_proj_name, "SINUSOIDAL_EQUAL-AREA" ))) {
        oSRS.OGRSpatialReference::SetSinusoidal ( center_lon, 0, 0 );
    } else if (EQUAL( map_proj_name, "MERCATOR" )) {
        oSRS.OGRSpatialReference::SetMercator ( center_lat, center_lon, 1, 0, 0 );
    } else if (EQUAL( map_proj_name, "POLAR_STEREOGRAPHIC" )) {
        oSRS.OGRSpatialReference::SetPS ( center_lat, center_lon, 1, 0, 0 );
    } else if (EQUAL( map_proj_name, "TRANSVERSE_MERCATOR" )) {
        oSRS.OGRSpatialReference::SetTM ( center_lat, center_lon, 1, 0, 0 );
    } else if (EQUAL( map_proj_name, "LAMBERT_CONFORMAL_CONIC" )) {
        oSRS.OGRSpatialReference::SetLCC ( first_std_parallel, second_std_parallel, center_lat, center_lon, 0, 0 );
    } else {
        CPLDebug( "ISIS2",
                  "Dataset projection %s is not supported. Continuing...",
                  map_proj_name.c_str() );
        bProjectionSet = FALSE;
    }

    if (bProjectionSet) {
        //Create projection name, i.e. MERCATOR MARS and set as ProjCS keyword
        CPLString proj_target_name = map_proj_name + " " + target_name;
        oSRS.SetProjCS(proj_target_name); //set ProjCS keyword
     
        //The geographic/geocentric name will be the same basic name as the body name
        //'GCS' = Geographic/Geocentric Coordinate System
        CPLString geog_name = "GCS_" + target_name;
        
        //The datum and sphere names will be the same basic name aas the planet
        CPLString datum_name = "D_" + target_name;
        CPLString sphere_name = target_name; // + "_IAU_IAG");  //Might not be IAU defined so don't add
          
        //calculate inverse flattening from major and minor axis: 1/f = a/(a-b)
        if ((semi_major - semi_minor) < 0.0000001) 
            iflattening = 0;
        else
            iflattening = semi_major / (semi_major - semi_minor);
     
        //Set the body size but take into consideration which proj is being used to help w/ proj4 compatibility
        //The use of a Sphere, polar radius or ellipse here is based on how ISIS does it internally
        if ( ( (EQUAL( map_proj_name, "STEREOGRAPHIC" ) && (fabs(center_lat) == 90)) ) || 
             (EQUAL( map_proj_name, "POLAR_STEREOGRAPHIC" )))  
        {
            if (bIsGeographic) { 
                //Geograpraphic, so set an ellipse
                oSRS.SetGeogCS( geog_name, datum_name, sphere_name,
                                semi_major, iflattening, 
                                "Reference_Meridian", 0.0 );
            } else {
                //Geocentric, so force a sphere using the semi-minor axis. I hope... 
                sphere_name += "_polarRadius";
                oSRS.SetGeogCS( geog_name, datum_name, sphere_name,
                                semi_minor, 0.0, 
                                "Reference_Meridian", 0.0 );
            }
        }
        else if ( (EQUAL( map_proj_name, "SIMPLE_CYLINDRICAL" )) || 
                  (EQUAL( map_proj_name, "ORTHOGRAPHIC" )) ||
                  (EQUAL( map_proj_name, "STEREOGRAPHIC" )) ||
                  (EQUAL( map_proj_name, "SINUSOIDAL_EQUAL-AREA" )) ||
                  (EQUAL( map_proj_name, "SINUSOIDAL" ))  ) {
            //isis uses the sphereical equation for these projections so force a sphere
            oSRS.SetGeogCS( geog_name, datum_name, sphere_name,
                            semi_major, 0.0, 
                            "Reference_Meridian", 0.0 );
        } 
        else if  ((EQUAL( map_proj_name, "EQUIRECTANGULAR_CYLINDRICAL" )) || 
                  (EQUAL( map_proj_name, "EQUIRECTANGULAR" )) ) {
            //Calculate localRadius using ISIS3 simple elliptical method 
            //  not the more standard Radius of Curvature method
            //PI = 4 * atan(1);
            double radLat, localRadius;
            if (center_lon == 0) { //No need to calculate local radius
                oSRS.SetGeogCS( geog_name, datum_name, sphere_name,
                                semi_major, 0.0, 
                                "Reference_Meridian", 0.0 );
            } else {  
                radLat = center_lat * PI / 180;  // in radians
                localRadius = semi_major * semi_minor / sqrt(pow(semi_minor*cos(radLat),2)
                                                             + pow(semi_major*sin(radLat),2) );
                sphere_name += "_localRadius";
                oSRS.SetGeogCS( geog_name, datum_name, sphere_name,
                                localRadius, 0.0, 
                                "Reference_Meridian", 0.0 );
                CPLDebug( "ISIS2", "local radius: %f", localRadius);
            }
        } 
        else { 
            //All other projections: Mercator, Transverse Mercator, Lambert Conformal, etc.
            //Geographic, so set an ellipse
            if (bIsGeographic) {
                oSRS.SetGeogCS( geog_name, datum_name, sphere_name,
                                semi_major, iflattening, 
                                "Reference_Meridian", 0.0 );
            } else { 
                //Geocentric, so force a sphere. I hope... 
                oSRS.SetGeogCS( geog_name, datum_name, sphere_name,
                                semi_major, 0.0, 
                                "Reference_Meridian", 0.0 );
            }
        }
        

        // translate back into a projection string.
        char *pszResult = NULL;
        oSRS.exportToWkt( &pszResult );
        poDS->osProjection = pszResult;
        CPLFree( pszResult );
    }

/* END ISIS2 Label Read */
/*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/
    
/* -------------------------------------------------------------------- */
/*      Did we get the required keywords?  If not we return with        */
/*      this never having been considered to be a match. This isn't     */
/*      an error!                                                       */
/* -------------------------------------------------------------------- */
    if( nRows < 1 || nCols < 1 || nBands < 1 )
    {
        return NULL;
    }

/* -------------------------------------------------------------------- */
/*      Capture some information from the file that is of interest.     */
/* -------------------------------------------------------------------- */
    poDS->nRasterXSize = nCols;
    poDS->nRasterYSize = nRows;

/* -------------------------------------------------------------------- */
/*      Open target binary file.                                        */
/* -------------------------------------------------------------------- */
    
    if( poOpenInfo->eAccess == GA_ReadOnly )
        poDS->fpImage = VSIFOpenL( poOpenInfo->pszFilename, "rb" );
    else
        poDS->fpImage = VSIFOpenL( poOpenInfo->pszFilename, "r+b" );

    if( poDS->fpImage == NULL )
    {
        CPLError( CE_Failure, CPLE_OpenFailed, 
                  "Failed to open %s with write permission.\n%s", 
                  poOpenInfo->pszFilename, VSIStrerror( errno ) );
        delete poDS;
        return NULL;
    }

    poDS->eAccess = poOpenInfo->eAccess;

/* -------------------------------------------------------------------- */
/*      Compute the line offset.                                        */
/* -------------------------------------------------------------------- */
    int     nItemSize = GDALGetDataTypeSize(eDataType)/8;
    int		nLineOffset, nPixelOffset, nBandOffset;
    
    if( EQUAL(szLayout,"BIP") )
    {
        nPixelOffset = nItemSize * nBands;
        nLineOffset = nPixelOffset * nCols;
        nBandOffset = nItemSize;
    }
    else if( EQUAL(szLayout,"BSQ") )
    {
        nPixelOffset = nItemSize;
        nLineOffset = nPixelOffset * nCols;
        nBandOffset = nLineOffset * nRows;
    }
    else /* assume BIL */
    {
        nPixelOffset = nItemSize;
        nLineOffset = nItemSize * nBands * nCols;
        nBandOffset = nItemSize * nCols;
    }
    
/* -------------------------------------------------------------------- */
/*      Create band information objects.                                */
/* -------------------------------------------------------------------- */
    int i;

    poDS->nBands = nBands;;
    for( i = 0; i < poDS->nBands; i++ )
    {
        RawRasterBand	*poBand;

        poBand = 
            new RawRasterBand( poDS, i+1, poDS->fpImage,
                               nSkipBytes + nBandOffset * i, 
                               nPixelOffset, nLineOffset, eDataType,
#ifdef CPL_LSB                               
                               chByteOrder == 'I' || chByteOrder == 'L',
#else
                               chByteOrder == 'M',
#endif        
                               TRUE );

        if( bNoDataSet )
            poBand->SetNoDataValue( dfNoData );

        poDS->SetBand( i+1, poBand );

        // Set offset/scale values at the PAM level.
        poBand->SetOffset( 
            CPLAtofM(poDS->GetKeyword("QUBE.CORE_BASE","0.0")));
        poBand->SetScale( 
            CPLAtofM(poDS->GetKeyword("QUBE.CORE_MULTIPLIER","1.0")));
    }

/* -------------------------------------------------------------------- */
/*      Check for a .prj file. For isis2 I would like to keep this in   */
/* -------------------------------------------------------------------- */
    CPLString osPath, osName;

    osPath = CPLGetPath( poOpenInfo->pszFilename );
    osName = CPLGetBasename(poOpenInfo->pszFilename);
    const char  *pszPrjFile = CPLFormCIFilename( osPath, osName, "prj" );

    fp = VSIFOpen( pszPrjFile, "r" );
    if( fp != NULL )
    {
        char	**papszLines;
        OGRSpatialReference oSRS;

        VSIFClose( fp );
        
        papszLines = CSLLoad( pszPrjFile );

        if( oSRS.importFromESRI( papszLines ) == OGRERR_NONE )
        {
            char *pszResult = NULL;
            oSRS.exportToWkt( &pszResult );
            poDS->osProjection = pszResult;
            CPLFree( pszResult );
        }

        CSLDestroy( papszLines );
    }

    
    if( dfULYMap != 0.5 || dfULYMap != 0.5 || dfXDim != 1.0 || dfYDim != 1.0 )
    {
        poDS->bGotTransform = TRUE;
        poDS->adfGeoTransform[0] = dfULXMap;
        poDS->adfGeoTransform[1] = dfXDim;
        poDS->adfGeoTransform[2] = 0.0;
        poDS->adfGeoTransform[3] = dfULYMap;
        poDS->adfGeoTransform[4] = 0.0;
        poDS->adfGeoTransform[5] = dfYDim;
    }
    
    if( !poDS->bGotTransform )
        poDS->bGotTransform = 
            GDALReadWorldFile( poOpenInfo->pszFilename, "cbw", 
                               poDS->adfGeoTransform );

    if( !poDS->bGotTransform )
        poDS->bGotTransform = 
            GDALReadWorldFile( poOpenInfo->pszFilename, "wld", 
                               poDS->adfGeoTransform );

/* -------------------------------------------------------------------- */ 
/*      Initialize any PAM information.                                 */ 
/* -------------------------------------------------------------------- */ 
    poDS->SetDescription( poOpenInfo->pszFilename ); 
    poDS->TryLoadXML(); 

/* -------------------------------------------------------------------- */
/*      Check for overviews.                                            */
/* -------------------------------------------------------------------- */
    poDS->oOvManager.Initialize( poDS, poOpenInfo->pszFilename );

    return( poDS );
}
static int ProxyMain(int argc, char **argv)

{
    GDALDatasetH     hDataset, hOutDS;
    int              i;
    int              nRasterXSize, nRasterYSize;
    const char       *pszSource = NULL, *pszDest = NULL, *pszFormat = "GTiff";
    GDALDriverH      hDriver;
    int              *panBandList = NULL;    /* negative value of panBandList[i] means mask band of ABS(panBandList[i]) */
    int              nBandCount   = 0, bDefBands = TRUE;
    double           adfGeoTransform[6];
    GDALDataType     eOutputType          = GDT_Unknown;
    int              nOXSize              = 0, nOYSize = 0;
    char             *pszOXSize           = NULL, *pszOYSize = NULL;
    char             **papszCreateOptions = NULL;
    int              anSrcWin[4], bStrict = FALSE;
    const char       *pszProjection;
    int              bScale        = FALSE, bHaveScaleSrc = FALSE, bUnscale = FALSE;
    double           dfScaleSrcMin = 0.0, dfScaleSrcMax = 255.0;
    double           dfScaleDstMin = 0.0, dfScaleDstMax = 255.0;
    double           dfULX, dfULY, dfLRX, dfLRY;
    char             **papszMetadataOptions = NULL;
    char             *pszOutputSRS          = NULL;
    int              bQuiet                 = FALSE, bGotBounds = FALSE;
    GDALProgressFunc pfnProgress            = GDALTermProgress;
    int              nGCPCount              = 0;
    GDAL_GCP         *pasGCPs               = NULL;
    int              iSrcFileArg            = -1, iDstFileArg = -1;
    int              bCopySubDatasets       = FALSE;
    double           adfULLR[4]             = { 0, 0, 0, 0 };
    int              bSetNoData             = FALSE;
    int              bUnsetNoData           = FALSE;
    double           dfNoDataReal           = 0.0;
    int              nRGBExpand             = 0;
    int              bParsedMaskArgument    = FALSE;
    int              eMaskMode              = MASK_AUTO;
    int              nMaskBand              = 0; /* negative value means mask band of ABS(nMaskBand) */
    int              bStats                 = FALSE, bApproxStats = FALSE;


    anSrcWin[0] = 0;
    anSrcWin[1] = 0;
    anSrcWin[2] = 0;
    anSrcWin[3] = 0;

    dfULX = dfULY = dfLRX = dfLRY = 0.0;

    /* Check strict compilation and runtime library version as we use C++ API */
    if (!GDAL_CHECK_VERSION(argv[0]))
        exit(1);

    /* Must process GDAL_SKIP before GDALAllRegister(), but we can't call */
    /* GDALGeneralCmdLineProcessor before it needs the drivers to be registered */
    /* for the --format or --formats options */
    for (i = 1; i < argc; i++)
    {
        if (EQUAL(argv[i], "--config") && i + 2 < argc && EQUAL(argv[i + 1], "GDAL_SKIP"))
        {
            CPLSetConfigOption(argv[i + 1], argv[i + 2]);

            i += 2;
        }
    }

/* -------------------------------------------------------------------- */
/*      Register standard GDAL drivers, and process generic GDAL        */
/*      command options.                                                */
/* -------------------------------------------------------------------- */
    GDALAllRegister();
    argc = GDALGeneralCmdLineProcessor(argc, &argv, 0);
    if (argc < 1)
        exit(-argc);

/* -------------------------------------------------------------------- */
/*      Handle command line arguments.                                  */
/* -------------------------------------------------------------------- */
    for (i = 1; i < argc; i++)
    {
        if (EQUAL(argv[i], "--utility_version"))
        {
            printf("%s was compiled against GDAL %s and is running against GDAL %s\n",
                   argv[0], GDAL_RELEASE_NAME, GDALVersionInfo("RELEASE_NAME"));
            return 0;
        }
        else if (EQUAL(argv[i], "-of") && i < argc - 1)
            pszFormat = argv[++i];

        else if (EQUAL(argv[i], "-q") || EQUAL(argv[i], "-quiet"))
        {
            bQuiet      = TRUE;
            pfnProgress = GDALDummyProgress;
        }

        else if (EQUAL(argv[i], "-ot") && i < argc - 1)
        {
            int iType;

            for (iType = 1; iType < GDT_TypeCount; iType++)
            {
                if (GDALGetDataTypeName((GDALDataType)iType) != NULL
                    && EQUAL(GDALGetDataTypeName((GDALDataType)iType),
                             argv[i + 1]))
                {
                    eOutputType = (GDALDataType) iType;
                }
            }

            if (eOutputType == GDT_Unknown)
            {
                printf("Unknown output pixel type: %s\n", argv[i + 1]);
                Usage();
                GDALDestroyDriverManager();
                exit(2);
            }

            i++;
        }
        else if (EQUAL(argv[i], "-b") && i < argc - 1)
        {
            const char *pszBand = argv[i + 1];
            int        bMask    = FALSE;
            if (EQUAL(pszBand, "mask"))
                pszBand = "mask,1";

            if (EQUALN(pszBand, "mask,", 5))
            {
                bMask    = TRUE;
                pszBand += 5;
                /* If we use tha source mask band as a regular band */
                /* don't create a target mask band by default */
                if (!bParsedMaskArgument)
                    eMaskMode = MASK_DISABLED;
            }

            int nBand = atoi(pszBand);
            if (nBand < 1)
            {
                printf("Unrecognizable band number (%s).\n", argv[i + 1]);
                Usage();
                GDALDestroyDriverManager();
                exit(2);
            }

            i++;

            nBandCount++;
            panBandList = (int*)
                          CPLRealloc(panBandList, sizeof(int) * nBandCount);
            panBandList[nBandCount - 1] = nBand;
            if (bMask)
                panBandList[nBandCount - 1] *= -1;

            if (panBandList[nBandCount - 1] != nBandCount)
                bDefBands = FALSE;
        }
        else if (EQUAL(argv[i], "-mask") && i < argc - 1)
        {
            bParsedMaskArgument = TRUE;
            const char *pszBand = argv[i + 1];
            if (EQUAL(pszBand, "none"))
            {
                eMaskMode = MASK_DISABLED;
            }
            else if (EQUAL(pszBand, "auto"))
            {
                eMaskMode = MASK_AUTO;
            }
            else
            {
                int bMask = FALSE;
                if (EQUAL(pszBand, "mask"))
                    pszBand = "mask,1";

                if (EQUALN(pszBand, "mask,", 5))
                {
                    bMask    = TRUE;
                    pszBand += 5;
                }

                int nBand = atoi(pszBand);
                if (nBand < 1)
                {
                    printf("Unrecognizable band number (%s).\n", argv[i + 1]);
                    Usage();
                    GDALDestroyDriverManager();
                    exit(2);
                }

                eMaskMode = MASK_USER;
                nMaskBand = nBand;
                if (bMask)
                    nMaskBand *= -1;
            }

            i++;
        }
        else if (EQUAL(argv[i], "-not_strict"))
            bStrict = FALSE;

        else if (EQUAL(argv[i], "-strict"))
            bStrict = TRUE;

        else if (EQUAL(argv[i], "-sds"))
            bCopySubDatasets = TRUE;

        else if (EQUAL(argv[i], "-gcp") && i < argc - 4)
        {
            char *endptr = NULL;
            /* -gcp pixel line easting northing [elev] */

            nGCPCount++;
            pasGCPs = (GDAL_GCP*)
                      CPLRealloc(pasGCPs, sizeof(GDAL_GCP) * nGCPCount);
            GDALInitGCPs(1, pasGCPs + nGCPCount - 1);

            pasGCPs[nGCPCount - 1].dfGCPPixel = CPLAtofM(argv[++i]);
            pasGCPs[nGCPCount - 1].dfGCPLine  = CPLAtofM(argv[++i]);
            pasGCPs[nGCPCount - 1].dfGCPX     = CPLAtofM(argv[++i]);
            pasGCPs[nGCPCount - 1].dfGCPY     = CPLAtofM(argv[++i]);
            if (argv[i + 1] != NULL
                && (CPLStrtod(argv[i + 1], &endptr) != 0.0 || argv[i + 1][0] == '0'))
            {
                /* Check that last argument is really a number and not a filename */
                /* looking like a number (see ticket #863) */
                if (endptr && *endptr == 0)
                    pasGCPs[nGCPCount - 1].dfGCPZ = CPLAtofM(argv[++i]);
            }

            /* should set id and info? */
        }

        else if (EQUAL(argv[i], "-a_nodata") && i < argc - 1)
        {
            if (EQUAL(argv[i + 1], "none"))
            {
                bUnsetNoData = TRUE;
            }
            else
            {
                bSetNoData   = TRUE;
                dfNoDataReal = CPLAtofM(argv[i + 1]);
            }

            i += 1;
        }

        else if (EQUAL(argv[i], "-a_ullr") && i < argc - 4)
        {
            adfULLR[0] = CPLAtofM(argv[i + 1]);
            adfULLR[1] = CPLAtofM(argv[i + 2]);
            adfULLR[2] = CPLAtofM(argv[i + 3]);
            adfULLR[3] = CPLAtofM(argv[i + 4]);

            bGotBounds = TRUE;

            i += 4;
        }

        else if (EQUAL(argv[i], "-co") && i < argc - 1)
        {
            papszCreateOptions = CSLAddString(papszCreateOptions, argv[++i]);
        }

        else if (EQUAL(argv[i], "-scale"))
        {
            bScale = TRUE;
            if (i < argc - 2 && ArgIsNumeric(argv[i + 1]))
            {
                bHaveScaleSrc = TRUE;
                dfScaleSrcMin = CPLAtofM(argv[i + 1]);
                dfScaleSrcMax = CPLAtofM(argv[i + 2]);
                i            += 2;
            }

            if (i < argc - 2 && bHaveScaleSrc && ArgIsNumeric(argv[i + 1]))
            {
                dfScaleDstMin = CPLAtofM(argv[i + 1]);
                dfScaleDstMax = CPLAtofM(argv[i + 2]);
                i            += 2;
            }
            else
            {
                dfScaleDstMin = 0.0;
                dfScaleDstMax = 255.999;
            }
        }

        else if (EQUAL(argv[i], "-unscale"))
        {
            bUnscale = TRUE;
        }

        else if (EQUAL(argv[i], "-mo") && i < argc - 1)
        {
            papszMetadataOptions = CSLAddString(papszMetadataOptions,
                                                argv[++i]);
        }

        else if (EQUAL(argv[i], "-outsize") && i < argc - 2)
        {
            pszOXSize = argv[++i];
            pszOYSize = argv[++i];
        }

        else if (EQUAL(argv[i], "-srcwin") && i < argc - 4)
        {
            anSrcWin[0] = atoi(argv[++i]);
            anSrcWin[1] = atoi(argv[++i]);
            anSrcWin[2] = atoi(argv[++i]);
            anSrcWin[3] = atoi(argv[++i]);
        }

        else if (EQUAL(argv[i], "-projwin") && i < argc - 4)
        {
            dfULX = CPLAtofM(argv[++i]);
            dfULY = CPLAtofM(argv[++i]);
            dfLRX = CPLAtofM(argv[++i]);
            dfLRY = CPLAtofM(argv[++i]);
        }

        else if (EQUAL(argv[i], "-a_srs") && i < argc - 1)
        {
            OGRSpatialReference oOutputSRS;

            if (oOutputSRS.SetFromUserInput(argv[i + 1]) != OGRERR_NONE)
            {
                fprintf(stderr, "Failed to process SRS definition: %s\n",
                        argv[i + 1]);
                GDALDestroyDriverManager();
                exit(1);
            }

            oOutputSRS.exportToWkt(&pszOutputSRS);
            i++;
        }

        else if (EQUAL(argv[i], "-expand") && i < argc - 1)
        {
            if (EQUAL(argv[i + 1], "gray"))
                nRGBExpand = 1;
            else if (EQUAL(argv[i + 1], "rgb"))
                nRGBExpand = 3;
            else if (EQUAL(argv[i + 1], "rgba"))
                nRGBExpand = 4;
            else
            {
                printf("Value %s unsupported. Only gray, rgb or rgba are supported.\n\n",
                       argv[i]);
                Usage();
                GDALDestroyDriverManager();
                exit(2);
            }

            i++;
        }

        else if (EQUAL(argv[i], "-stats"))
        {
            bStats       = TRUE;
            bApproxStats = FALSE;
        }
        else if (EQUAL(argv[i], "-approx_stats"))
        {
            bStats       = TRUE;
            bApproxStats = TRUE;
        }

        else if (argv[i][0] == '-')
        {
            printf("Option %s incomplete, or not recognised.\n\n",
                   argv[i]);
            Usage();
            GDALDestroyDriverManager();
            exit(2);
        }
        else if (pszSource == NULL)
        {
            iSrcFileArg = i;
            pszSource   = argv[i];
        }
        else if (pszDest == NULL)
        {
            pszDest     = argv[i];
            iDstFileArg = i;
        }

        else
        {
            printf("Too many command options.\n\n");
            Usage();
            GDALDestroyDriverManager();
            exit(2);
        }
    }

    if (pszDest == NULL)
    {
        Usage();
        GDALDestroyDriverManager();
        exit(10);
    }

    if (strcmp(pszSource, pszDest) == 0)
    {
        fprintf(stderr, "Source and destination datasets must be different.\n");
        GDALDestroyDriverManager();
        exit(1);
    }

    if (strcmp(pszDest, "/vsistdout/") == 0)
    {
        bQuiet      = TRUE;
        pfnProgress = GDALDummyProgress;
    }

/* -------------------------------------------------------------------- */
/*      Attempt to open source file.                                    */
/* -------------------------------------------------------------------- */

    hDataset = GDALOpenShared(pszSource, GA_ReadOnly);

    if (hDataset == NULL)
    {
        fprintf(stderr,
                "GDALOpen failed - %d\n%s\n",
                CPLGetLastErrorNo(), CPLGetLastErrorMsg());
        GDALDestroyDriverManager();
        exit(1);
    }

/* -------------------------------------------------------------------- */
/*      Handle subdatasets.                                             */
/* -------------------------------------------------------------------- */
    if (!bCopySubDatasets
        && CSLCount(GDALGetMetadata(hDataset, "SUBDATASETS")) > 0
        && GDALGetRasterCount(hDataset) == 0)
    {
        fprintf(stderr,
                "Input file contains subdatasets. Please, select one of them for reading.\n");
        GDALClose(hDataset);
        GDALDestroyDriverManager();
        exit(1);
    }

    if (CSLCount(GDALGetMetadata(hDataset, "SUBDATASETS")) > 0
        && bCopySubDatasets)
    {
        char **papszSubdatasets = GDALGetMetadata(hDataset, "SUBDATASETS");
        char *pszSubDest        = (char*) CPLMalloc(strlen(pszDest) + 32);
        int  i;
        int  bOldSubCall    = bSubCall;
        char **papszDupArgv = CSLDuplicate(argv);
        int  nRet           = 0;

        CPLFree(papszDupArgv[iDstFileArg]);
        papszDupArgv[iDstFileArg] = pszSubDest;
        bSubCall                  = TRUE;

        for (i = 0; papszSubdatasets[i] != NULL; i += 2)
        {
            CPLFree(papszDupArgv[iSrcFileArg]);
            papszDupArgv[iSrcFileArg] = CPLStrdup(strstr(papszSubdatasets[i], "=") + 1);
            sprintf(pszSubDest, "%s%d", pszDest, i / 2 + 1);
            nRet = ProxyMain(argc, papszDupArgv);
            if (nRet != 0)
                break;
        }

        CSLDestroy(papszDupArgv);

        bSubCall = bOldSubCall;
        CSLDestroy(argv);

        GDALClose(hDataset);

        if (!bSubCall)
        {
            GDALDumpOpenDatasets(stderr);
            GDALDestroyDriverManager();
        }

        return nRet;
    }

/* -------------------------------------------------------------------- */
/*      Collect some information from the source file.                  */
/* -------------------------------------------------------------------- */
    nRasterXSize = GDALGetRasterXSize(hDataset);
    nRasterYSize = GDALGetRasterYSize(hDataset);

    if (!bQuiet)
        printf("Input file size is %d, %d\n", nRasterXSize, nRasterYSize);

    if (anSrcWin[2] == 0 && anSrcWin[3] == 0)
    {
        anSrcWin[2] = nRasterXSize;
        anSrcWin[3] = nRasterYSize;
    }

/* -------------------------------------------------------------------- */
/*      Build band list to translate                                    */
/* -------------------------------------------------------------------- */
    if (nBandCount == 0)
    {
        nBandCount = GDALGetRasterCount(hDataset);
        if (nBandCount == 0)
        {
            fprintf(stderr, "Input file has no bands, and so cannot be translated.\n");
            GDALDestroyDriverManager();
            exit(1);
        }

        panBandList = (int*) CPLMalloc(sizeof(int) * nBandCount);

        for (i = 0; i < nBandCount; i++)
            panBandList[i] = i + 1;
    }
    else
    {
        for (i = 0; i < nBandCount; i++)
        {
            if (ABS(panBandList[i]) > GDALGetRasterCount(hDataset))
            {
                fprintf(stderr,
                        "Band %d requested, but only bands 1 to %d available.\n",
                        ABS(panBandList[i]), GDALGetRasterCount(hDataset));
                GDALDestroyDriverManager();
                exit(2);
            }
        }

        if (nBandCount != GDALGetRasterCount(hDataset))
            bDefBands = FALSE;
    }

/* -------------------------------------------------------------------- */
/*      Compute the source window from the projected source window      */
/*      if the projected coordinates were provided.  Note that the      */
/*      projected coordinates are in ulx, uly, lrx, lry format,         */
/*      while the anSrcWin is xoff, yoff, xsize, ysize with the         */
/*      xoff,yoff being the ulx, uly in pixel/line.                     */
/* -------------------------------------------------------------------- */
    if (dfULX != 0.0 || dfULY != 0.0
        || dfLRX != 0.0 || dfLRY != 0.0)
    {
        double adfGeoTransform[6];

        GDALGetGeoTransform(hDataset, adfGeoTransform);

        if (adfGeoTransform[2] != 0.0 || adfGeoTransform[4] != 0.0)
        {
            fprintf(stderr,
                    "The -projwin option was used, but the geotransform is\n"
                    "rotated.  This configuration is not supported.\n");
            GDALClose(hDataset);
            CPLFree(panBandList);
            GDALDestroyDriverManager();
            exit(1);
        }

        anSrcWin[0] = (int)
                      ((dfULX - adfGeoTransform[0]) / adfGeoTransform[1] + 0.001);
        anSrcWin[1] = (int)
                      ((dfULY - adfGeoTransform[3]) / adfGeoTransform[5] + 0.001);

        anSrcWin[2] = (int) ((dfLRX - dfULX) / adfGeoTransform[1] + 0.5);
        anSrcWin[3] = (int) ((dfLRY - dfULY) / adfGeoTransform[5] + 0.5);

        if (!bQuiet)
            fprintf(stdout,
                    "Computed -srcwin %d %d %d %d from projected window.\n",
                    anSrcWin[0],
                    anSrcWin[1],
                    anSrcWin[2],
                    anSrcWin[3]);

        if (anSrcWin[0] < 0 || anSrcWin[1] < 0
            || anSrcWin[0] + anSrcWin[2] > GDALGetRasterXSize(hDataset)
            || anSrcWin[1] + anSrcWin[3] > GDALGetRasterYSize(hDataset))
        {
            fprintf(stderr,
                    "Computed -srcwin falls outside raster size of %dx%d.\n",
                    GDALGetRasterXSize(hDataset),
                    GDALGetRasterYSize(hDataset));
            exit(1);
        }
    }

/* -------------------------------------------------------------------- */
/*      Verify source window.                                           */
/* -------------------------------------------------------------------- */
    if (anSrcWin[0] < 0 || anSrcWin[1] < 0
        || anSrcWin[2] <= 0 || anSrcWin[3] <= 0
        || anSrcWin[0] + anSrcWin[2] > GDALGetRasterXSize(hDataset)
        || anSrcWin[1] + anSrcWin[3] > GDALGetRasterYSize(hDataset))
    {
        fprintf(stderr,
                "-srcwin %d %d %d %d falls outside raster size of %dx%d\n"
                "or is otherwise illegal.\n",
                anSrcWin[0],
                anSrcWin[1],
                anSrcWin[2],
                anSrcWin[3],
                GDALGetRasterXSize(hDataset),
                GDALGetRasterYSize(hDataset));
        exit(1);
    }

/* -------------------------------------------------------------------- */
/*      Find the output driver.                                         */
/* -------------------------------------------------------------------- */
    hDriver = GDALGetDriverByName(pszFormat);
    if (hDriver == NULL)
    {
        int iDr;

        printf("Output driver `%s' not recognised.\n", pszFormat);
        printf("The following format drivers are configured and support output:\n");

        for (iDr = 0; iDr < GDALGetDriverCount(); iDr++)
        {
            GDALDriverH hDriver = GDALGetDriver(iDr);

            if (GDALGetMetadataItem(hDriver, GDAL_DCAP_CREATE, NULL) != NULL
                || GDALGetMetadataItem(hDriver, GDAL_DCAP_CREATECOPY,
                                       NULL) != NULL)
            {
                printf("  %s: %s\n",
                       GDALGetDriverShortName(hDriver),
                       GDALGetDriverLongName(hDriver));
            }
        }

        printf("\n");
        Usage();

        GDALClose(hDataset);
        CPLFree(panBandList);
        GDALDestroyDriverManager();
        CSLDestroy(argv);
        CSLDestroy(papszCreateOptions);
        exit(1);
    }

/* -------------------------------------------------------------------- */
/*      The short form is to CreateCopy().  We use this if the input    */
/*      matches the whole dataset.  Eventually we should rewrite        */
/*      this entire program to use virtual datasets to construct a      */
/*      virtual input source to copy from.                              */
/* -------------------------------------------------------------------- */


    int bSpatialArrangementPreserved = (
        anSrcWin[0] == 0 && anSrcWin[1] == 0
        && anSrcWin[2] == GDALGetRasterXSize(hDataset)
        && anSrcWin[3] == GDALGetRasterYSize(hDataset)
        && pszOXSize == NULL && pszOYSize == NULL);

    if (eOutputType == GDT_Unknown
        && !bScale && !bUnscale
        && CSLCount(papszMetadataOptions) == 0 && bDefBands
        && eMaskMode == MASK_AUTO
        && bSpatialArrangementPreserved
        && nGCPCount == 0 && !bGotBounds
        && pszOutputSRS == NULL && !bSetNoData && !bUnsetNoData
        && nRGBExpand == 0 && !bStats)
    {
        hOutDS = GDALCreateCopy(hDriver, pszDest, hDataset,
                                bStrict, papszCreateOptions,
                                pfnProgress, NULL);

        if (hOutDS != NULL)
            GDALClose(hOutDS);

        GDALClose(hDataset);

        CPLFree(panBandList);

        if (!bSubCall)
        {
            GDALDumpOpenDatasets(stderr);
            GDALDestroyDriverManager();
        }

        CSLDestroy(argv);
        CSLDestroy(papszCreateOptions);

        return hOutDS == NULL;
    }

/* -------------------------------------------------------------------- */
/*      Establish some parameters.                                      */
/* -------------------------------------------------------------------- */
    if (pszOXSize == NULL)
    {
        nOXSize = anSrcWin[2];
        nOYSize = anSrcWin[3];
    }
    else
    {
        nOXSize = (int) ((pszOXSize[strlen(pszOXSize) - 1] == '%'
                          ? CPLAtofM(pszOXSize) / 100 * anSrcWin[2] : atoi(pszOXSize)));
        nOYSize = (int) ((pszOYSize[strlen(pszOYSize) - 1] == '%'
                          ? CPLAtofM(pszOYSize) / 100 * anSrcWin[3] : atoi(pszOYSize)));
    }

/* ==================================================================== */
/*      Create a virtual dataset.                                       */
/* ==================================================================== */
    VRTDataset *poVDS;

/* -------------------------------------------------------------------- */
/*      Make a virtual clone.                                           */
/* -------------------------------------------------------------------- */
    poVDS = (VRTDataset*) VRTCreate(nOXSize, nOYSize);

    if (nGCPCount == 0)
    {
        if (pszOutputSRS != NULL)
        {
            poVDS->SetProjection(pszOutputSRS);
        }
        else
        {
            pszProjection = GDALGetProjectionRef(hDataset);
            if (pszProjection != NULL && strlen(pszProjection) > 0)
                poVDS->SetProjection(pszProjection);
        }
    }

    if (bGotBounds)
    {
        adfGeoTransform[0] = adfULLR[0];
        adfGeoTransform[1] = (adfULLR[2] - adfULLR[0]) / nOXSize;
        adfGeoTransform[2] = 0.0;
        adfGeoTransform[3] = adfULLR[1];
        adfGeoTransform[4] = 0.0;
        adfGeoTransform[5] = (adfULLR[3] - adfULLR[1]) / nOYSize;

        poVDS->SetGeoTransform(adfGeoTransform);
    }

    else if (GDALGetGeoTransform(hDataset, adfGeoTransform) == CE_None
             && nGCPCount == 0)
    {
        adfGeoTransform[0] += anSrcWin[0] * adfGeoTransform[1]
                              + anSrcWin[1] * adfGeoTransform[2];
        adfGeoTransform[3] += anSrcWin[0] * adfGeoTransform[4]
                              + anSrcWin[1] * adfGeoTransform[5];

        adfGeoTransform[1] *= anSrcWin[2] / (double) nOXSize;
        adfGeoTransform[2] *= anSrcWin[3] / (double) nOYSize;
        adfGeoTransform[4] *= anSrcWin[2] / (double) nOXSize;
        adfGeoTransform[5] *= anSrcWin[3] / (double) nOYSize;

        poVDS->SetGeoTransform(adfGeoTransform);
    }

    if (nGCPCount != 0)
    {
        const char *pszGCPProjection = pszOutputSRS;

        if (pszGCPProjection == NULL)
            pszGCPProjection = GDALGetGCPProjection(hDataset);

        if (pszGCPProjection == NULL)
            pszGCPProjection = "";

        poVDS->SetGCPs(nGCPCount, pasGCPs, pszGCPProjection);

        GDALDeinitGCPs(nGCPCount, pasGCPs);
        CPLFree(pasGCPs);
    }

    else if (GDALGetGCPCount(hDataset) > 0)
    {
        GDAL_GCP *pasGCPs;
        int      nGCPs = GDALGetGCPCount(hDataset);

        pasGCPs = GDALDuplicateGCPs(nGCPs, GDALGetGCPs(hDataset));

        for (i = 0; i < nGCPs; i++)
        {
            pasGCPs[i].dfGCPPixel -= anSrcWin[0];
            pasGCPs[i].dfGCPLine  -= anSrcWin[1];
            pasGCPs[i].dfGCPPixel *= (nOXSize / (double) anSrcWin[2]);
            pasGCPs[i].dfGCPLine  *= (nOYSize / (double) anSrcWin[3]);
        }

        poVDS->SetGCPs(nGCPs, pasGCPs,
                       GDALGetGCPProjection(hDataset));

        GDALDeinitGCPs(nGCPs, pasGCPs);
        CPLFree(pasGCPs);
    }

/* -------------------------------------------------------------------- */
/*      Transfer generally applicable metadata.                         */
/* -------------------------------------------------------------------- */
    poVDS->SetMetadata(((GDALDataset*)hDataset)->GetMetadata());
    AttachMetadata((GDALDatasetH) poVDS, papszMetadataOptions);

    const char *pszInterleave = GDALGetMetadataItem(hDataset, "INTERLEAVE", "IMAGE_STRUCTURE");
    if (pszInterleave)
        poVDS->SetMetadataItem("INTERLEAVE", pszInterleave, "IMAGE_STRUCTURE");

/* -------------------------------------------------------------------- */
/*      Transfer metadata that remains valid if the spatial             */
/*      arrangement of the data is unaltered.                           */
/* -------------------------------------------------------------------- */
    if (bSpatialArrangementPreserved)
    {
        char **papszMD;

        papszMD = ((GDALDataset*)hDataset)->GetMetadata("RPC");
        if (papszMD != NULL)
            poVDS->SetMetadata(papszMD, "RPC");

        papszMD = ((GDALDataset*)hDataset)->GetMetadata("GEOLOCATION");
        if (papszMD != NULL)
            poVDS->SetMetadata(papszMD, "GEOLOCATION");
    }

    int nSrcBandCount = nBandCount;

    if (nRGBExpand != 0)
    {
        GDALRasterBand *poSrcBand;
        poSrcBand = ((GDALDataset*)
                     hDataset)->GetRasterBand(ABS(panBandList[0]));
        if (panBandList[0] < 0)
            poSrcBand = poSrcBand->GetMaskBand();

        GDALColorTable *poColorTable = poSrcBand->GetColorTable();
        if (poColorTable == NULL)
        {
            fprintf(stderr, "Error : band %d has no color table\n", ABS(panBandList[0]));
            GDALClose(hDataset);
            CPLFree(panBandList);
            GDALDestroyDriverManager();
            CSLDestroy(argv);
            CSLDestroy(papszCreateOptions);
            exit(1);
        }

        /* Check that the color table only contains gray levels */
        /* when using -expand gray */
        if (nRGBExpand == 1)
        {
            int nColorCount = poColorTable->GetColorEntryCount();
            int nColor;

            for (nColor = 0; nColor < nColorCount; nColor++)
            {
                const GDALColorEntry *poEntry = poColorTable->GetColorEntry(nColor);
                if (poEntry->c1 != poEntry->c2 || poEntry->c1 != poEntry->c2)
                {
                    fprintf(stderr, "Warning : color table contains non gray levels colors\n");
                    break;
                }
            }
        }

        if (nBandCount == 1)
            nBandCount = nRGBExpand;
        else if (nBandCount == 2 && (nRGBExpand == 3 || nRGBExpand == 4))
            nBandCount = nRGBExpand;
        else
        {
            fprintf(stderr, "Error : invalid use of -expand option.\n");
            exit(1);
        }
    }

    int bFilterOutStatsMetadata =
        (bScale || bUnscale || !bSpatialArrangementPreserved || nRGBExpand != 0);

/* ==================================================================== */
/*      Process all bands.                                              */
/* ==================================================================== */
    for (i = 0; i < nBandCount; i++)
    {
        VRTSourcedRasterBand *poVRTBand;
        GDALRasterBand       *poSrcBand;
        GDALDataType         eBandType;
        int                  nComponent = 0;

        int nSrcBand;
        if (nRGBExpand != 0)
        {
            if (nSrcBandCount == 2 && nRGBExpand == 4 && i == 3)
                nSrcBand = panBandList[1];
            else
            {
                nSrcBand   = panBandList[0];
                nComponent = i + 1;
            }
        }
        else
            nSrcBand = panBandList[i];

        poSrcBand = ((GDALDataset*) hDataset)->GetRasterBand(ABS(nSrcBand));

/* -------------------------------------------------------------------- */
/*      Select output data type to match source.                        */
/* -------------------------------------------------------------------- */
        if (eOutputType == GDT_Unknown)
            eBandType = poSrcBand->GetRasterDataType();
        else
            eBandType = eOutputType;

/* -------------------------------------------------------------------- */
/*      Create this band.                                               */
/* -------------------------------------------------------------------- */
        poVDS->AddBand(eBandType, NULL);
        poVRTBand = (VRTSourcedRasterBand*) poVDS->GetRasterBand(i + 1);
        if (nSrcBand < 0)
        {
            poVRTBand->AddMaskBandSource(poSrcBand);
            continue;
        }

/* -------------------------------------------------------------------- */
/*      Do we need to collect scaling information?                      */
/* -------------------------------------------------------------------- */
        double dfScale = 1.0, dfOffset = 0.0;

        if (bScale && !bHaveScaleSrc)
        {
            double adfCMinMax[2];
            GDALComputeRasterMinMax(poSrcBand, TRUE, adfCMinMax);
            dfScaleSrcMin = adfCMinMax[0];
            dfScaleSrcMax = adfCMinMax[1];
        }

        if (bScale)
        {
            if (dfScaleSrcMax == dfScaleSrcMin)
                dfScaleSrcMax += 0.1;

            if (dfScaleDstMax == dfScaleDstMin)
                dfScaleDstMax += 0.1;

            dfScale = (dfScaleDstMax - dfScaleDstMin)
                      / (dfScaleSrcMax - dfScaleSrcMin);
            dfOffset = -1 * dfScaleSrcMin * dfScale + dfScaleDstMin;
        }

        if (bUnscale)
        {
            dfScale  = poSrcBand->GetScale();
            dfOffset = poSrcBand->GetOffset();
        }

/* -------------------------------------------------------------------- */
/*      Create a simple or complex data source depending on the         */
/*      translation type required.                                      */
/* -------------------------------------------------------------------- */
        if (bUnscale || bScale || (nRGBExpand != 0 && i < nRGBExpand))
        {
            poVRTBand->AddComplexSource(poSrcBand,
                                        anSrcWin[0], anSrcWin[1],
                                        anSrcWin[2], anSrcWin[3],
                                        0, 0, nOXSize, nOYSize,
                                        dfOffset, dfScale,
                                        VRT_NODATA_UNSET,
                                        nComponent);
        }
        else
            poVRTBand->AddSimpleSource(poSrcBand,
                                       anSrcWin[0], anSrcWin[1],
                                       anSrcWin[2], anSrcWin[3],
                                       0, 0, nOXSize, nOYSize);

/* -------------------------------------------------------------------- */
/*      In case of color table translate, we only set the color         */
/*      interpretation other info copied by CopyBandInfo are            */
/*      not relevant in RGB expansion.                                  */
/* -------------------------------------------------------------------- */
        if (nRGBExpand == 1)
        {
            poVRTBand->SetColorInterpretation(GCI_GrayIndex);
        }
        else if (nRGBExpand != 0 && i < nRGBExpand)
        {
            poVRTBand->SetColorInterpretation((GDALColorInterp) (GCI_RedBand + i));
        }

/* -------------------------------------------------------------------- */
/*      copy over some other information of interest.                   */
/* -------------------------------------------------------------------- */
        else
        {
            CopyBandInfo(poSrcBand, poVRTBand,
                         !bStats && !bFilterOutStatsMetadata,
                         !bUnscale,
                         !bSetNoData && !bUnsetNoData);
        }

/* -------------------------------------------------------------------- */
/*      Set a forcable nodata value?                                    */
/* -------------------------------------------------------------------- */
        if (bSetNoData)
        {
            double dfVal    = dfNoDataReal;
            int    bClamped = FALSE, bRounded = FALSE;

#define CLAMP(val, type, minval, maxval)                                          \
    do { if (val < minval) { bClamped = TRUE; val = minval;                       \
         }                                                                        \
         else if (val > maxval) { bClamped = TRUE; val = maxval; }                \
         else if (val != (type)val) { bRounded = TRUE; val = (type)(val + 0.5); } \
    }                                                                             \
    while (0)

            switch (eBandType)
            {
            case GDT_Byte:
                CLAMP(dfVal, GByte, 0.0, 255.0);
                break;

            case GDT_Int16:
                CLAMP(dfVal, GInt16, -32768.0, 32767.0);
                break;

            case GDT_UInt16:
                CLAMP(dfVal, GUInt16, 0.0, 65535.0);
                break;

            case GDT_Int32:
                CLAMP(dfVal, GInt32, -2147483648.0, 2147483647.0);
                break;

            case GDT_UInt32:
                CLAMP(dfVal, GUInt32, 0.0, 4294967295.0);
                break;

            default:
                break;
            }

            if (bClamped)
            {
                printf("for band %d, nodata value has been clamped "
                       "to %.0f, the original value being out of range.\n",
                       i + 1, dfVal);
            }
            else if (bRounded)
            {
                printf("for band %d, nodata value has been rounded "
                       "to %.0f, %s being an integer datatype.\n",
                       i + 1, dfVal,
                       GDALGetDataTypeName(eBandType));
            }

            poVRTBand->SetNoDataValue(dfVal);
        }

        if (eMaskMode == MASK_AUTO &&
            (GDALGetMaskFlags(GDALGetRasterBand(hDataset, 1)) & GMF_PER_DATASET) == 0 &&
            (poSrcBand->GetMaskFlags() & (GMF_ALL_VALID | GMF_NODATA)) == 0)
        {
            if (poVRTBand->CreateMaskBand(poSrcBand->GetMaskFlags()) == CE_None)
            {
                VRTSourcedRasterBand *hMaskVRTBand =
                    (VRTSourcedRasterBand*)poVRTBand->GetMaskBand();
                hMaskVRTBand->AddMaskBandSource(poSrcBand,
                                                anSrcWin[0], anSrcWin[1],
                                                anSrcWin[2], anSrcWin[3],
                                                0, 0, nOXSize, nOYSize);
            }
        }
    }

    if (eMaskMode == MASK_USER)
    {
        GDALRasterBand *poSrcBand =
            (GDALRasterBand*)GDALGetRasterBand(hDataset, ABS(nMaskBand));
        if (poSrcBand && poVDS->CreateMaskBand(GMF_PER_DATASET) == CE_None)
        {
            VRTSourcedRasterBand *hMaskVRTBand = (VRTSourcedRasterBand*)
                                                 GDALGetMaskBand(GDALGetRasterBand((GDALDatasetH)poVDS, 1));
            if (nMaskBand > 0)
                hMaskVRTBand->AddSimpleSource(poSrcBand,
                                              anSrcWin[0], anSrcWin[1],
                                              anSrcWin[2], anSrcWin[3],
                                              0, 0, nOXSize, nOYSize);
            else
                hMaskVRTBand->AddMaskBandSource(poSrcBand,
                                                anSrcWin[0], anSrcWin[1],
                                                anSrcWin[2], anSrcWin[3],
                                                0, 0, nOXSize, nOYSize);
        }
    }
    else if (eMaskMode == MASK_AUTO && nSrcBandCount > 0 &&
             GDALGetMaskFlags(GDALGetRasterBand(hDataset, 1)) == GMF_PER_DATASET)
    {
        if (poVDS->CreateMaskBand(GMF_PER_DATASET) == CE_None)
        {
            VRTSourcedRasterBand *hMaskVRTBand = (VRTSourcedRasterBand*)
                                                 GDALGetMaskBand(GDALGetRasterBand((GDALDatasetH)poVDS, 1));
            hMaskVRTBand->AddMaskBandSource((GDALRasterBand*)GDALGetRasterBand(hDataset, 1),
                                            anSrcWin[0], anSrcWin[1],
                                            anSrcWin[2], anSrcWin[3],
                                            0, 0, nOXSize, nOYSize);
        }
    }

/* -------------------------------------------------------------------- */
/*      Compute stats if required.                                      */
/* -------------------------------------------------------------------- */
    if (bStats)
    {
        for (i = 0; i < poVDS->GetRasterCount(); i++)
        {
            double dfMin, dfMax, dfMean, dfStdDev;
            poVDS->GetRasterBand(i + 1)->ComputeStatistics(bApproxStats,
                                                           &dfMin, &dfMax, &dfMean, &dfStdDev, GDALDummyProgress, NULL);
        }
    }

/* -------------------------------------------------------------------- */
/*      Write to the output file using CopyCreate().                    */
/* -------------------------------------------------------------------- */
    hOutDS = GDALCreateCopy(hDriver, pszDest, (GDALDatasetH) poVDS,
                            bStrict, papszCreateOptions,
                            pfnProgress, NULL);
    if (hOutDS != NULL)
    {
        int bHasGotErr = FALSE;
        CPLErrorReset();
        GDALFlushCache(hOutDS);
        if (CPLGetLastErrorType() != CE_None)
            bHasGotErr = TRUE;

        GDALClose(hOutDS);
        if (bHasGotErr)
            hOutDS = NULL;
    }

    GDALClose((GDALDatasetH) poVDS);

    GDALClose(hDataset);

    CPLFree(panBandList);

    CPLFree(pszOutputSRS);

    if (!bSubCall)
    {
        GDALDumpOpenDatasets(stderr);
        GDALDestroyDriverManager();
    }

    CSLDestroy(argv);
    CSLDestroy(papszCreateOptions);

    return hOutDS == NULL;
}
Esempio n. 19
0
int main( int argc, char ** argv ) 

{
    int            i;
    int            bGotSRS = FALSE;
    int            bPretty = FALSE;
    int            bValidate = FALSE;
    int            bFindEPSG = FALSE;
    int            nEPSGCode = -1;
    const char     *pszInput = NULL;
    const char     *pszOutputType = "default";
    OGRSpatialReference  oSRS;

    /* Check strict compilation and runtime library version as we use C++ API */
    if (! GDAL_CHECK_VERSION(argv[0]))
        exit(1);

    EarlySetConfigOptions(argc, argv);

/* -------------------------------------------------------------------- */
/*      Register standard GDAL and OGR drivers.                         */
/* -------------------------------------------------------------------- */
    GDALAllRegister();
#ifdef OGR_ENABLED
    OGRRegisterAll();
#endif

/* -------------------------------------------------------------------- */
/*      Register standard GDAL drivers, and process generic GDAL        */
/*      command options.                                                */
/* -------------------------------------------------------------------- */
    argc = GDALGeneralCmdLineProcessor( argc, &argv, 0 );
    if( argc < 1 )
        exit( -argc );

/* -------------------------------------------------------------------- */
/*      Parse arguments.                                                */
/* -------------------------------------------------------------------- */
    for( i = 1; i < argc; i++ )
    {
        CPLDebug( "gdalsrsinfo", "got arg #%d : [%s]", i, argv[i] );

        if( EQUAL(argv[i], "--utility_version") )
        {
            printf("%s was compiled against GDAL %s and is running against GDAL %s\n",
                   argv[0], GDAL_RELEASE_NAME, GDALVersionInfo("RELEASE_NAME"));
            return 0;
        }
        else if( EQUAL(argv[i], "-h") || EQUAL(argv[i], "--help") )
            Usage();
        else if( EQUAL(argv[i], "-e") )
            bFindEPSG = TRUE;
        else if( EQUAL(argv[i], "-o") )
        {
            CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(1);
            pszOutputType = argv[++i];
        }
        else if( EQUAL(argv[i], "-p") )
            bPretty = TRUE;
        else if( EQUAL(argv[i], "-V") )
            bValidate = TRUE;
        else if( argv[i][0] == '-' )
        {
            Usage(CPLSPrintf("Unknown option name '%s'", argv[i]));
        }
        else  
            pszInput = argv[i];
    }

    if ( pszInput == NULL ) {
        CSLDestroy( argv );
        Usage("No input specified.");
    }

    /* Search for SRS */
    bGotSRS = FindSRS( pszInput, oSRS );

    CPLDebug( "gdalsrsinfo", 
              "bGotSRS: %d bValidate: %d pszOutputType: %s bPretty: %d",
              bGotSRS, bValidate, pszOutputType, bPretty  );
      

    /* Make sure we got a SRS */
    if ( ! bGotSRS ) {
        CPLError( CE_Failure, CPLE_AppDefined,
                  "ERROR - failed to load SRS definition from %s",
                  pszInput );
    }

    else {

        /* Find EPSG code - experimental */
        if ( EQUAL(pszOutputType,"epsg") )
            bFindEPSG = TRUE;
        if ( bFindEPSG ) {
            CPLError( CE_Warning, CPLE_AppDefined,
                      "EPSG detection is experimental and requires new data files (see bug #4345)" );
            nEPSGCode = FindEPSG( oSRS );
            /* If found, replace oSRS based on EPSG code */
            if(nEPSGCode != -1) {
                CPLDebug( "gdalsrsinfo", 
                          "Found EPSG code %d", nEPSGCode );
                OGRSpatialReference oSRS2;
                if ( oSRS2.importFromEPSG( nEPSGCode ) == OGRERR_NONE )
                    oSRS = oSRS2;
            }
        }
        /* Validate - not well tested!*/
        if ( bValidate ) {
            OGRErr eErr = oSRS.Validate( );
            if ( eErr != OGRERR_NONE ) {
                printf( "\nValidate Fails" );
                if ( eErr == OGRERR_CORRUPT_DATA )
                    printf( " - SRS is not well formed");
                else if ( eErr == OGRERR_UNSUPPORTED_SRS )
                    printf(" - contains non-standard PROJECTION[] values");
                printf("\n");
            }
            else
                printf( "\nValidate Succeeds\n" );
        }
        
        /* Output */
        if ( EQUAL("default", pszOutputType ) ) {
            /* does this work in MSVC? */
            const char* papszOutputTypes[] = 
                { "proj4", "wkt", NULL };      
            if ( bFindEPSG ) 
                printf("\nEPSG:%d\n",nEPSGCode);
            PrintSRSOutputTypes( oSRS, papszOutputTypes );
        }
        else if ( EQUAL("all", pszOutputType ) ) {
            if ( bFindEPSG ) 
                printf("\nEPSG:%d\n\n",nEPSGCode);
            const char* papszOutputTypes[] = 
                {"proj4","wkt","wkt_simple","wkt_noct","wkt_esri","mapinfo","xml",NULL};
            PrintSRSOutputTypes( oSRS, papszOutputTypes );
        }
        else if ( EQUAL("wkt_all", pszOutputType ) ) {
            const char* papszOutputTypes[] = 
                { "wkt", "wkt_simple", "wkt_noct", "wkt_esri", NULL };
            PrintSRSOutputTypes( oSRS, papszOutputTypes );
        }
        else {
            if ( bPretty )
                printf( "\n" );
            if ( EQUAL(pszOutputType,"epsg") )
                printf("EPSG:%d\n",nEPSGCode);
            else
                PrintSRS( oSRS, pszOutputType, bPretty, FALSE );
            if ( bPretty )
                printf( "\n" );        
        }

    }

    /* cleanup anything left */
    GDALDestroyDriverManager();
#ifdef OGR_ENABLED
    OGRCleanupAll();
#endif
    CSLDestroy( argv );

    return 0;
}
Esempio n. 20
0
CPLErr GDALWMSDataset::Initialize(CPLXMLNode *config) {
    CPLErr ret = CE_None;

    char* pszXML = CPLSerializeXMLTree( config );
    if (pszXML)
    {
        m_osXML = pszXML;
        CPLFree(pszXML);
    }

    // Initialize the minidriver, which can set parameters for the dataset using member functions
    CPLXMLNode *service_node = CPLGetXMLNode(config, "Service");
    if (service_node != NULL)
    {
        const CPLString service_name = CPLGetXMLValue(service_node, "name", "");
        if (!service_name.empty())
        {
            GDALWMSMiniDriverManager *const mdm = GetGDALWMSMiniDriverManager();
            GDALWMSMiniDriverFactory *const mdf = mdm->Find(service_name);
            if (mdf != NULL)
            {
                m_mini_driver = mdf->New();
                m_mini_driver->m_parent_dataset = this;
                if (m_mini_driver->Initialize(service_node) == CE_None)
                {
                    m_mini_driver_caps.m_capabilities_version = -1;
                    m_mini_driver->GetCapabilities(&m_mini_driver_caps);
                    if (m_mini_driver_caps.m_capabilities_version == -1)
                    {
                        CPLError(CE_Failure, CPLE_AppDefined, "GDALWMS: Internal error, mini-driver capabilities version not set.");
                        ret = CE_Failure;
                    }
                }
                else
                {
                    delete m_mini_driver;
                    m_mini_driver = NULL;

                    CPLError(CE_Failure, CPLE_AppDefined, "GDALWMS: Failed to initialize minidriver.");
                    ret = CE_Failure;
                }
            }
            else
            {
                CPLError(CE_Failure, CPLE_AppDefined,
                                "GDALWMS: No mini-driver registered for '%s'.", service_name.c_str());
                ret = CE_Failure;
            }
        }
        else
        {
            CPLError(CE_Failure, CPLE_AppDefined, "GDALWMS: No Service specified.");
            ret = CE_Failure;
        }
    }
    else
    {
        CPLError(CE_Failure, CPLE_AppDefined, "GDALWMS: No Service specified.");
        ret = CE_Failure;
    }


    /*
    Parameters that could be set by minidriver already, based on server side information.
    If the size is set, minidriver has done this already
    A "server" side minidriver needs to set at least:
      - Blocksize (x and y)
      - Clamp flag (defaults to true)
      - DataWindow
      - Band Count
      - Data Type
    It should also initialize and register the bands and overviews.
    */

    if (m_data_window.m_sx<1)
    {
        int nOverviews = 0;

        if (ret == CE_None)
        {
            m_block_size_x = atoi(CPLGetXMLValue(config, "BlockSizeX", CPLString().Printf("%d", m_default_block_size_x)));
            m_block_size_y = atoi(CPLGetXMLValue(config, "BlockSizeY", CPLString().Printf("%d", m_default_block_size_y)));
            if (m_block_size_x <= 0 || m_block_size_y <= 0)
            {
                CPLError( CE_Failure, CPLE_AppDefined, "GDALWMS: Invalid value in BlockSizeX or BlockSizeY" );
                ret = CE_Failure;
            }
        }

        if (ret == CE_None)
        {
            m_clamp_requests = StrToBool(CPLGetXMLValue(config, "ClampRequests", "true"));
            if (m_clamp_requests<0)
            {
                CPLError(CE_Failure, CPLE_AppDefined, "GDALWMS: Invalid value of ClampRequests, true/false expected.");
                ret = CE_Failure;
            }
        }

        if (ret == CE_None)
        {
            CPLXMLNode *data_window_node = CPLGetXMLNode(config, "DataWindow");
            if (data_window_node == NULL && m_bNeedsDataWindow)
            {
                CPLError(CE_Failure, CPLE_AppDefined, "GDALWMS: DataWindow missing.");
                ret = CE_Failure;
            }
            else
            {
                CPLString osDefaultX0, osDefaultX1, osDefaultY0, osDefaultY1;
                CPLString osDefaultTileCountX, osDefaultTileCountY, osDefaultTileLevel;
                CPLString osDefaultOverviewCount;
                osDefaultX0.Printf("%.8f", m_default_data_window.m_x0);
                osDefaultX1.Printf("%.8f", m_default_data_window.m_x1);
                osDefaultY0.Printf("%.8f", m_default_data_window.m_y0);
                osDefaultY1.Printf("%.8f", m_default_data_window.m_y1);
                osDefaultTileCountX.Printf("%d", m_default_tile_count_x);
                osDefaultTileCountY.Printf("%d", m_default_tile_count_y);
                if (m_default_data_window.m_tlevel >= 0)
                    osDefaultTileLevel.Printf("%d", m_default_data_window.m_tlevel);
                if (m_default_overview_count >= 0)
                    osDefaultOverviewCount.Printf("%d", m_default_overview_count);
                const char *overview_count = CPLGetXMLValue(config, "OverviewCount", osDefaultOverviewCount);
                const char *ulx = CPLGetXMLValue(data_window_node, "UpperLeftX", osDefaultX0);
                const char *uly = CPLGetXMLValue(data_window_node, "UpperLeftY", osDefaultY0);
                const char *lrx = CPLGetXMLValue(data_window_node, "LowerRightX", osDefaultX1);
                const char *lry = CPLGetXMLValue(data_window_node, "LowerRightY", osDefaultY1);
                const char *sx = CPLGetXMLValue(data_window_node, "SizeX", "");
                const char *sy = CPLGetXMLValue(data_window_node, "SizeY", "");
                const char *tx = CPLGetXMLValue(data_window_node, "TileX", "0");
                const char *ty = CPLGetXMLValue(data_window_node, "TileY", "0");
                const char *tlevel = CPLGetXMLValue(data_window_node, "TileLevel", osDefaultTileLevel);
                const char *str_tile_count_x = CPLGetXMLValue(data_window_node, "TileCountX", osDefaultTileCountX);
                const char *str_tile_count_y = CPLGetXMLValue(data_window_node, "TileCountY", osDefaultTileCountY);
                const char *y_origin = CPLGetXMLValue(data_window_node, "YOrigin", "default");

                if (ret == CE_None)
                {
                    if ((ulx[0] != '\0') && (uly[0] != '\0') && (lrx[0] != '\0') && (lry[0] != '\0'))
                    {
                        m_data_window.m_x0 = atof(ulx);
                        m_data_window.m_y0 = atof(uly);
                        m_data_window.m_x1 = atof(lrx);
                        m_data_window.m_y1 = atof(lry);
                    }
                    else
                    {
                        CPLError(CE_Failure, CPLE_AppDefined,
                                 "GDALWMS: Mandatory elements of DataWindow missing: UpperLeftX, UpperLeftY, LowerRightX, LowerRightY.");
                        ret = CE_Failure;
                    }
                }

                m_data_window.m_tlevel = atoi(tlevel);

                if (ret == CE_None)
                {
                    if ((sx[0] != '\0') && (sy[0] != '\0'))
                    {
                        m_data_window.m_sx = atoi(sx);
                        m_data_window.m_sy = atoi(sy);
                    }
                    else if ((tlevel[0] != '\0') && (str_tile_count_x[0] != '\0') && (str_tile_count_y[0] != '\0'))
                    {
                        int tile_count_x = atoi(str_tile_count_x);
                        int tile_count_y = atoi(str_tile_count_y);
                        m_data_window.m_sx = tile_count_x * m_block_size_x * (1 << m_data_window.m_tlevel);
                        m_data_window.m_sy = tile_count_y * m_block_size_y * (1 << m_data_window.m_tlevel);
                    }
                    else
                    {
                        CPLError(CE_Failure, CPLE_AppDefined,
                                 "GDALWMS: Mandatory elements of DataWindow missing: SizeX, SizeY.");
                        ret = CE_Failure;
                    }
                }
                if (ret == CE_None)
                {
                    if ((tx[0] != '\0') && (ty[0] != '\0'))
                    {
                        m_data_window.m_tx = atoi(tx);
                        m_data_window.m_ty = atoi(ty);
                    }
                    else
                    {
                        CPLError(CE_Failure, CPLE_AppDefined,
                                 "GDALWMS: Mandatory elements of DataWindow missing: TileX, TileY.");
                        ret = CE_Failure;
                    }
                }

                if (ret == CE_None)
                {
                    if (overview_count[0] != '\0')
                    {
                        nOverviews = atoi(overview_count);
                    }
                    else if (tlevel[0] != '\0')
                    {
                        nOverviews = m_data_window.m_tlevel;
                    }
                    else
                    {
                        const int min_overview_size = MAX(32, MIN(m_block_size_x, m_block_size_y));
                        double a = log(static_cast<double>(MIN(m_data_window.m_sx, m_data_window.m_sy))) / log(2.0)
                            - log(static_cast<double>(min_overview_size)) / log(2.0);
                        nOverviews = MAX(0, MIN(static_cast<int>(ceil(a)), 32));
                    }
                }
                if (ret == CE_None)
                {
                    CPLString y_origin_str = y_origin;
                    if (y_origin_str == "top") {
                        m_data_window.m_y_origin = GDALWMSDataWindow::TOP;
                    } else if (y_origin_str == "bottom") {
                        m_data_window.m_y_origin = GDALWMSDataWindow::BOTTOM;
                    } else if (y_origin_str == "default") {
                        m_data_window.m_y_origin = GDALWMSDataWindow::DEFAULT;
                    } else {
                        CPLError(CE_Failure, CPLE_AppDefined, "GDALWMS: DataWindow YOrigin must be set to "
                            "one of 'default', 'top', or 'bottom', not '%s'.", y_origin_str.c_str());
                        ret = CE_Failure;
                    }
                }
            }
        }

        if (ret == CE_None)
        {
            if (nBands<1)
                nBands=atoi(CPLGetXMLValue(config,"BandsCount","3"));
            if (nBands<1)
            {
                CPLError(CE_Failure, CPLE_AppDefined,
                         "GDALWMS: Bad number of bands.");
                ret = CE_Failure;
            }
        }

        if (ret == CE_None)
        {
            const char *data_type = CPLGetXMLValue(config, "DataType", "Byte");
            m_data_type = GDALGetDataTypeByName( data_type );
            if ( m_data_type == GDT_Unknown || m_data_type >= GDT_TypeCount )
            {
                CPLError( CE_Failure, CPLE_AppDefined,
                          "GDALWMS: Invalid value in DataType. Data type \"%s\" is not supported.", data_type );
                ret = CE_Failure;
            }
        }

        // Initialize the bands and the overviews.  Assumes overviews are powers of two
        if (ret == CE_None)
        {
            nRasterXSize = m_data_window.m_sx;
            nRasterYSize = m_data_window.m_sy;

            if (!GDALCheckDatasetDimensions(nRasterXSize, nRasterYSize) ||
                !GDALCheckBandCount(nBands, TRUE))
            {
                return CE_Failure;
            }

            GDALColorInterp default_color_interp[4][4] = {
                { GCI_GrayIndex, GCI_Undefined, GCI_Undefined, GCI_Undefined },
                { GCI_GrayIndex, GCI_AlphaBand, GCI_Undefined, GCI_Undefined },
                { GCI_RedBand, GCI_GreenBand, GCI_BlueBand, GCI_Undefined },
                { GCI_RedBand, GCI_GreenBand, GCI_BlueBand, GCI_AlphaBand }
            };
            for (int i = 0; i < nBands; ++i)
            {
                GDALColorInterp color_interp = (nBands <= 4 && i <= 3 ? default_color_interp[nBands - 1][i] : GCI_Undefined);
                GDALWMSRasterBand *band = new GDALWMSRasterBand(this, i, 1.0);
                band->m_color_interp = color_interp;
                SetBand(i + 1, band);
                double scale = 0.5;
                for (int j = 0; j < nOverviews; ++j)
                {
                    band->AddOverview(scale);
                    band->m_color_interp = color_interp;
                    scale *= 0.5;
                }
            }
        }
    }
    
    // UserPwd 
    const char *pszUserPwd = CPLGetXMLValue(config, "UserPwd", "");
    if (pszUserPwd[0] != '\0')
        m_osUserPwd = pszUserPwd;

    const char *pszUserAgent = CPLGetXMLValue(config, "UserAgent", "");
    if (pszUserAgent[0] != '\0')
        m_osUserAgent = pszUserAgent;
    
    const char *pszReferer = CPLGetXMLValue(config, "Referer", "");
    if (pszReferer[0] != '\0')
        m_osReferer = pszReferer;
    
    if (ret == CE_None) {
        const char *pszHttpZeroBlockCodes = CPLGetXMLValue(config, "ZeroBlockHttpCodes", "");
        if(pszHttpZeroBlockCodes == '\0') {
            m_http_zeroblock_codes.push_back(204);
        } else {
            char **kv = CSLTokenizeString2(pszHttpZeroBlockCodes,",",CSLT_HONOURSTRINGS);
            int nCount = CSLCount(kv);
            for(int i=0; i<nCount; i++) {
                int code = atoi(kv[i]);
                if(code <= 0) {
                    CPLError(CE_Failure, CPLE_AppDefined, "GDALWMS: Invalid value of ZeroBlockHttpCodes \"%s\", comma separated HTTP response codes expected.",
                            kv[i]);
                    ret = CE_Failure;
                    break;
                }
                m_http_zeroblock_codes.push_back(code);
            }
            CSLDestroy(kv);
        }
    }

    if (ret == CE_None) {
        const char *pszZeroExceptions = CPLGetXMLValue(config, "ZeroBlockOnServerException", "");
        if(pszZeroExceptions[0] != '\0') {
            m_zeroblock_on_serverexceptions = StrToBool(pszZeroExceptions);
            if (m_zeroblock_on_serverexceptions == -1) {
                CPLError(CE_Failure, CPLE_AppDefined, "GDALWMS: Invalid value of ZeroBlockOnServerException \"%s\", true/false expected.",
                     pszZeroExceptions);
                ret = CE_Failure;
            }
        }
    }

    if (ret == CE_None) {
        const char *max_conn = CPLGetXMLValue(config, "MaxConnections", "");
        if (max_conn[0] != '\0') {
            m_http_max_conn = atoi(max_conn);
        } else {
            m_http_max_conn = 2;
        }
    }
    if (ret == CE_None) {
        const char *timeout = CPLGetXMLValue(config, "Timeout", "");
        if (timeout[0] != '\0') {
            m_http_timeout = atoi(timeout);
        } else {
            m_http_timeout = 300;
        }
    }
    if (ret == CE_None) {
        const char *offline_mode = CPLGetXMLValue(config, "OfflineMode", "");
        if (offline_mode[0] != '\0') {
            const int offline_mode_bool = StrToBool(offline_mode);
            if (offline_mode_bool == -1) {
                CPLError(CE_Failure, CPLE_AppDefined, "GDALWMS: Invalid value of OfflineMode, true / false expected.");
                ret = CE_Failure;
            } else {
                m_offline_mode = offline_mode_bool;
            }
        } else {
            m_offline_mode = 0;
        }
    }

    if (ret == CE_None) {
        const char *advise_read = CPLGetXMLValue(config, "AdviseRead", "");
        if (advise_read[0] != '\0') {
            const int advise_read_bool = StrToBool(advise_read);
            if (advise_read_bool == -1) {
                CPLError(CE_Failure, CPLE_AppDefined, "GDALWMS: Invalid value of AdviseRead, true / false expected.");
                ret = CE_Failure;
            } else {
                m_use_advise_read = advise_read_bool;
            }
        } else {
            m_use_advise_read = 0;
        }
    }

    if (ret == CE_None) {
        const char *verify_advise_read = CPLGetXMLValue(config, "VerifyAdviseRead", "");
        if (m_use_advise_read) {
            if (verify_advise_read[0] != '\0') {
                const int verify_advise_read_bool = StrToBool(verify_advise_read);
                if (verify_advise_read_bool == -1) {
                    CPLError(CE_Failure, CPLE_AppDefined, "GDALWMS: Invalid value of VerifyAdviseRead, true / false expected.");
                    ret = CE_Failure;
                } else {
                    m_verify_advise_read = verify_advise_read_bool;
                }
            } else {
                m_verify_advise_read = 1;
            }
        }
    }

    // Let the local configuration override the minidriver supplied projection

    if (ret == CE_None) {
        const char *proj = CPLGetXMLValue(config, "Projection", "");
        if (proj[0] != '\0') {
            m_projection = ProjToWKT(proj);
            if (m_projection.size() == 0) {
                CPLError(CE_Failure, CPLE_AppDefined, "GDALWMS: Bad projection specified.");
                ret = CE_Failure;
            }
        }
    }

    // Same for Min, Max and NoData, defined per band or per dataset
    // If they are set as null strings, they clear the server declared values
    if (ret == CE_None) {
       // Data values are attributes, they include NoData Min and Max
       // TODO: document those options
       if (0!=CPLGetXMLNode(config,"DataValues")) {
           const char *nodata=CPLGetXMLValue(config,"DataValues.NoData",NULL);
           if (nodata!=NULL) WMSSetNoDataValue(nodata);
           const char *min=CPLGetXMLValue(config,"DataValues.min",NULL);
           if (min!=NULL) WMSSetMinValue(min);
           const char *max=CPLGetXMLValue(config,"DataValues.max",NULL);
           if (max!=NULL) WMSSetMaxValue(max);
       }
    }

    if (ret == CE_None) {
        CPLXMLNode *cache_node = CPLGetXMLNode(config, "Cache");
        if (cache_node != NULL) {
            m_cache = new GDALWMSCache();
            if (m_cache->Initialize(cache_node) != CE_None) {
                delete m_cache;
                m_cache = NULL;
                CPLError(CE_Failure, CPLE_AppDefined, "GDALWMS: Failed to initialize cache.");
                ret = CE_Failure;
            }
        }
    }
    
    if (ret == CE_None) {
    	const int v = StrToBool(CPLGetXMLValue(config, "UnsafeSSL", "false"));
    	if (v == -1) {
	    CPLError(CE_Failure, CPLE_AppDefined, "GDALWMS: Invalid value of UnsafeSSL: true or false expected.");
	    ret = CE_Failure;
	} else {
	    m_unsafeSsl = v;
	}
    }

    if (ret == CE_None) {
        /* If we dont have projection already set ask mini-driver. */
        if (!m_projection.size()) {
            const char *proj = m_mini_driver->GetProjectionInWKT();
            if (proj != NULL) {
                m_projection = proj;
            }
        }
    }

    return ret;
}
Esempio n. 21
0
int main(int argc, char* argv[])
{
    const char     *pszFormat = "ESRI Shapefile";
    char           *pszLayerName = NULL;
    const char     *pszSrcFilename = NULL, *pszDstFilename = NULL;
    int             iBand = 1;
    GDALDatasetH    hDS;
    GDALRasterBandH hBand;
    int             nXSize, nYSize;
    int             i, j;
    FILE           *fOut = NULL;
    double         *padfBuffer;
    double          adfGeotransform[6];
    OGRSFDriverH    hOGRDriver;
    OGRDataSourceH  hOGRDS;
    OGRLayerH       hOGRLayer;
    OGRwkbGeometryType eType = wkbPoint25D;
    int             xStep = 1, yStep = 1;

    OGRRegisterAll();
    GDALAllRegister();

    argc = GDALGeneralCmdLineProcessor( argc, &argv, 0 );
    if( argc < 1 )
        exit( -argc );

/* -------------------------------------------------------------------- */
/*      Parse arguments.                                                */
/* -------------------------------------------------------------------- */
    for( i = 1; i < argc; i++ )
    {
        if ( EQUAL(argv[i], "-b") && i < argc - 1)
            iBand = atoi(argv[++i]);
        else if ( EQUAL(argv[i], "-f") && i < argc - 1)
            pszFormat = argv[++i];
        else if ( EQUAL(argv[i], "-l") && i < argc - 1)
            pszLayerName = CPLStrdup(argv[++i]);
        else if ( EQUAL(argv[i], "-t") && i < argc - 1)
        {
            i++;
            if (EQUAL(argv[i], "POLYGON"))
                eType = wkbPolygon;
            else if (EQUAL(argv[i], "POINT"))
                eType = wkbPoint;
            else if (EQUAL(argv[i], "POINT25D"))
                eType = wkbPoint25D;
            else
            {
                fprintf(stderr, "unhandled geometry type : %s\n", argv[i]);
            }
        }
        else if ( EQUAL(argv[i], "-step") && i < argc - 1)
            xStep = yStep = atoi(argv[++i]);
        else if ( argv[i][0] == '-')
            Usage();
        else if( pszSrcFilename == NULL )
            pszSrcFilename = argv[i];
        else if(  pszDstFilename == NULL )
            pszDstFilename = argv[i];
        else
            Usage();
    }

    if( pszSrcFilename == NULL || pszDstFilename == NULL)
        Usage();

/* -------------------------------------------------------------------- */
/*      Open GDAL source dataset                                        */
/* -------------------------------------------------------------------- */
    hDS = GDALOpen(pszSrcFilename, GA_ReadOnly);
    if (hDS == NULL)
    {
        fprintf(stderr, "Can't open %s\n", pszSrcFilename);
        exit(1);
    }

    hBand = GDALGetRasterBand(hDS, iBand);
    if (hBand == NULL)
    {
        fprintf(stderr, "Can't get band %d\n", iBand);
        exit(1);
    }

    if (GDALGetGeoTransform(hDS, adfGeotransform) != CE_None)
    {
        fprintf(stderr, "Can't get geotransform\n");
        exit(1);
    }

    nXSize = GDALGetRasterXSize(hDS);
    nYSize = GDALGetRasterYSize(hDS);

/* -------------------------------------------------------------------- */
/*     Create OGR destination dataset                                   */
/* -------------------------------------------------------------------- */
    /* Special case for CSV : we generate the appropriate VRT file in the same time */
    if (EQUAL(pszFormat, "CSV") && EQUAL(CPLGetExtension(pszDstFilename), "CSV"))
    {
        FILE* fOutCSVT;
        FILE* fOutVRT;
        char* pszDstFilenameCSVT;
        char* pszDstFilenameVRT;

        fOut = fopen(pszDstFilename, "wt");
        if (fOut == NULL)
        {
            fprintf(stderr, "Can't open %s for writing\n", pszDstFilename);
            exit(1);
        }
        fprintf(fOut, "x,y,z\n");

        pszDstFilenameCSVT = CPLMalloc(strlen(pszDstFilename) + 2);
        strcpy(pszDstFilenameCSVT, pszDstFilename);
        strcat(pszDstFilenameCSVT, "t");
        fOutCSVT = fopen(pszDstFilenameCSVT, "wt");
        if (fOutCSVT == NULL)
        {
            fprintf(stderr, "Can't open %s for writing\n", pszDstFilenameCSVT);
            exit(1);
        }
        CPLFree(pszDstFilenameCSVT);
        fprintf(fOutCSVT, "Real,Real,Real\n");
        fclose(fOutCSVT);
        fOutCSVT = NULL;

        pszDstFilenameVRT = CPLStrdup(pszDstFilename);
        strcpy(pszDstFilenameVRT + strlen(pszDstFilename) - 3, "vrt");
        fOutVRT = fopen(pszDstFilenameVRT, "wt");
        if (fOutVRT == NULL)
        {
            fprintf(stderr, "Can't open %s for writing\n", pszDstFilenameVRT);
            exit(1);
        }
        CPLFree(pszDstFilenameVRT);
        fprintf(fOutVRT, "<OGRVRTDataSource>\n");
        fprintf(fOutVRT, "  <OGRVRTLayer name=\"%s\">\n", CPLGetBasename(pszDstFilename));
        fprintf(fOutVRT, "    <SrcDataSource>%s</SrcDataSource> \n", pszDstFilename);
        fprintf(fOutVRT, "    <GeometryType>wkbPoint</GeometryType>\n");
        fprintf(fOutVRT, "    <GeometryField encoding=\"PointFromColumns\" x=\"x\" y=\"y\" z=\"z\"/>\n");
        fprintf(fOutVRT, "  </OGRVRTLayer>\n");
        fprintf(fOutVRT, "</OGRVRTDataSource>\n");
        fclose(fOutVRT);
        fOutVRT = NULL;
    }
    else
    {
        OGRSpatialReferenceH hSRS = NULL;
        const char* pszWkt;

        hOGRDriver = OGRGetDriverByName(pszFormat);
        if (hOGRDriver == NULL)
        {
            fprintf(stderr, "Can't find OGR driver %s\n", pszFormat);
            exit(1);
        }

        hOGRDS = OGR_Dr_CreateDataSource(hOGRDriver, pszDstFilename, NULL);
        if (hOGRDS == NULL)
        {
            fprintf(stderr, "Can't create OGR datasource %s\n", pszDstFilename);
            exit(1);
        }

        pszWkt = GDALGetProjectionRef(hDS);
        if (pszWkt && pszWkt[0])
        {
            hSRS = OSRNewSpatialReference(pszWkt);
        }

        if (pszLayerName == NULL)
            pszLayerName = CPLStrdup(CPLGetBasename(pszDstFilename));

        hOGRLayer = OGR_DS_CreateLayer( hOGRDS, pszLayerName,
                                        hSRS, eType, NULL);

        if (hSRS)
            OSRDestroySpatialReference(hSRS);

        if (hOGRLayer == NULL)
        {
            fprintf(stderr, "Can't create layer %s\n", pszLayerName);
            exit(1);
        }

        if (eType != wkbPoint25D)
        {
            OGRFieldDefnH hFieldDefn =  OGR_Fld_Create( "z", OFTReal );
            OGR_L_CreateField(hOGRLayer, hFieldDefn, 0);
            OGR_Fld_Destroy( hFieldDefn );
        }
    }


    padfBuffer = (double*)CPLMalloc(nXSize * sizeof(double));

#define GET_X(j, i) adfGeotransform[0] + (j) * adfGeotransform[1] + (i) * adfGeotransform[2]
#define GET_Y(j, i) adfGeotransform[3] + (j) * adfGeotransform[4] + (i) * adfGeotransform[5]
#define GET_XY(j, i) GET_X(j, i), GET_Y(j, i)

/* -------------------------------------------------------------------- */
/*     "Translate" the source dataset                                   */
/* -------------------------------------------------------------------- */
    for(i=0;i<nYSize;i+=yStep)
    {
        GDALRasterIO( hBand, GF_Read, 0, i, nXSize, 1,
                      padfBuffer, nXSize, 1, GDT_Float64, 0, 0);
        for(j=0;j<nXSize;j+=xStep)
        {
            if (fOut)
            {
                fprintf(fOut, "%f,%f,%f\n",
                        GET_XY(j + .5, i + .5), padfBuffer[j]);
            }
            else
            {
                OGRFeatureH hFeature = OGR_F_Create(OGR_L_GetLayerDefn(hOGRLayer));
                OGRGeometryH hGeometry = OGR_G_CreateGeometry(eType);
                if (eType == wkbPoint25D)
                {
                    OGR_G_SetPoint(hGeometry, 0, GET_XY(j + .5, i + .5),
                                   padfBuffer[j]);
                }
                else if (eType == wkbPoint)
                {
                    OGR_G_SetPoint_2D(hGeometry, 0, GET_XY(j + .5, i + .5));
                    OGR_F_SetFieldDouble(hFeature, 0, padfBuffer[j]);
                }
                else
                {
                    OGRGeometryH hLinearRing = OGR_G_CreateGeometry(wkbLinearRing);
                    OGR_G_SetPoint_2D(hLinearRing, 0, GET_XY(j + 0, i + 0));
                    OGR_G_SetPoint_2D(hLinearRing, 1, GET_XY(j + 1, i + 0));
                    OGR_G_SetPoint_2D(hLinearRing, 2, GET_XY(j + 1, i + 1));
                    OGR_G_SetPoint_2D(hLinearRing, 3, GET_XY(j + 0, i + 1));
                    OGR_G_SetPoint_2D(hLinearRing, 4, GET_XY(j + 0, i + 0));
                    OGR_G_AddGeometryDirectly(hGeometry, hLinearRing);
                    OGR_F_SetFieldDouble(hFeature, 0, padfBuffer[j]);
                }
                OGR_F_SetGeometryDirectly(hFeature, hGeometry);
                OGR_L_CreateFeature(hOGRLayer, hFeature);
                OGR_F_Destroy(hFeature);
            }
        }
    }

/* -------------------------------------------------------------------- */
/*     Cleanup                                                          */
/* -------------------------------------------------------------------- */
    if (fOut)
        fclose(fOut);
    else
        OGR_DS_Destroy(hOGRDS);
    GDALClose(hDS);

    CPLFree(padfBuffer);
    CPLFree(pszLayerName);

    GDALDumpOpenDatasets( stderr );
    GDALDestroyDriverManager();
    OGRCleanupAll();
    CSLDestroy( argv );

    return 0;
}
Esempio n. 22
0
MAIN_START(argc, argv)

{
    /* Check strict compilation and runtime library version as we use C++ API */
    if (! GDAL_CHECK_VERSION(argv[0]))
        exit(1);

    EarlySetConfigOptions(argc, argv);

/* -------------------------------------------------------------------- */
/*      Register standard GDAL drivers, and process generic GDAL        */
/*      command options.                                                */
/* -------------------------------------------------------------------- */
    GDALAllRegister();
    argc = GDALGeneralCmdLineProcessor( argc, &argv, 0 );
    if( argc < 1 )
        exit( -argc );

    for( int i = 0; argv != nullptr && argv[i] != nullptr; i++ )
    {
        if( EQUAL(argv[i], "--utility_version") )
        {
            printf("%s was compiled against GDAL %s and is running against GDAL %s\n",
                   argv[0], GDAL_RELEASE_NAME, GDALVersionInfo("RELEASE_NAME"));
            CSLDestroy( argv );
            return 0;
        }
        else if( EQUAL(argv[i],"--help") )
        {
            Usage(nullptr);
        }
        else if ( EQUAL(argv[i], "--long-usage") )
        {
            Usage(nullptr, FALSE);
        }
    }

/* -------------------------------------------------------------------- */
/*      Set optimal setting for best performance with huge input VRT.   */
/*      The rationale for 450 is that typical Linux process allow       */
/*      only 1024 file descriptors per process and we need to keep some */
/*      spare for shared libraries, etc. so let's go down to 900.       */
/*      And some datasets may need 2 file descriptors, so divide by 2   */
/*      for security.                                                   */
/* -------------------------------------------------------------------- */
    if( CPLGetConfigOption("GDAL_MAX_DATASET_POOL_SIZE", nullptr) == nullptr )
    {
#if defined(__MACH__) && defined(__APPLE__)
        // On Mach, the default limit is 256 files per process
        // TODO We should eventually dynamically query the limit for all OS
        CPLSetConfigOption("GDAL_MAX_DATASET_POOL_SIZE", "100");
#else
        CPLSetConfigOption("GDAL_MAX_DATASET_POOL_SIZE", "450");
#endif
    }

    GDALTranslateOptionsForBinary* psOptionsForBinary = GDALTranslateOptionsForBinaryNew();
    GDALTranslateOptions *psOptions = GDALTranslateOptionsNew(argv + 1, psOptionsForBinary);
    CSLDestroy( argv );

    if( psOptions == nullptr )
    {
        Usage(nullptr);
    }

    if( psOptionsForBinary->pszSource == nullptr )
    {
        Usage("No source dataset specified.");
    }

    if( psOptionsForBinary->pszDest == nullptr )
    {
        Usage("No target dataset specified.");
    }

    if( strcmp(psOptionsForBinary->pszDest, "/vsistdout/") == 0 )
    {
        psOptionsForBinary->bQuiet = TRUE;
    }

    if( !(psOptionsForBinary->bQuiet) )
    {
        GDALTranslateOptionsSetProgress(psOptions, GDALTermProgress, nullptr);
    }

    if( psOptionsForBinary->pszFormat )
    {
        GDALDriverH hDriver = GDALGetDriverByName( psOptionsForBinary->pszFormat );
        if( hDriver == nullptr )
        {
            fprintf(stderr, "Output driver `%s' not recognised.\n",
                    psOptionsForBinary->pszFormat);
            fprintf(stderr, "The following format drivers are configured and support output:\n" );
            for( int iDr = 0; iDr < GDALGetDriverCount(); iDr++ )
            {
                hDriver = GDALGetDriver(iDr);

                if( GDALGetMetadataItem( hDriver, GDAL_DCAP_RASTER, nullptr) != nullptr &&
                    (GDALGetMetadataItem( hDriver, GDAL_DCAP_CREATE, nullptr ) != nullptr
                    || GDALGetMetadataItem( hDriver, GDAL_DCAP_CREATECOPY, nullptr ) != nullptr) )
                {
                    fprintf(stderr, "  %s: %s\n",
                            GDALGetDriverShortName( hDriver  ),
                            GDALGetDriverLongName( hDriver ) );
                }
            }

            GDALTranslateOptionsFree(psOptions);
            GDALTranslateOptionsForBinaryFree(psOptionsForBinary);

            GDALDestroyDriverManager();
            exit(1);
        }
    }

/* -------------------------------------------------------------------- */
/*      Attempt to open source file.                                    */
/* -------------------------------------------------------------------- */

    GDALDatasetH hDataset =
        GDALOpenEx(psOptionsForBinary->pszSource,
                   GDAL_OF_RASTER | GDAL_OF_VERBOSE_ERROR, nullptr,
                   psOptionsForBinary->papszOpenOptions, nullptr);

    if( hDataset == nullptr )
    {
        GDALDestroyDriverManager();
        exit( 1 );
    }

/* -------------------------------------------------------------------- */
/*      Handle subdatasets.                                             */
/* -------------------------------------------------------------------- */
    if( !psOptionsForBinary->bCopySubDatasets
        && GDALGetRasterCount(hDataset) == 0
        && CSLCount(GDALGetMetadata( hDataset, "SUBDATASETS" )) > 0 )
    {
        fprintf( stderr,
                 "Input file contains subdatasets. Please, select one of them for reading.\n" );
        GDALClose( hDataset );
        GDALDestroyDriverManager();
        exit( 1 );
    }

    int bUsageError = FALSE;
    GDALDatasetH hOutDS = nullptr;
    if( psOptionsForBinary->bCopySubDatasets &&
        CSLCount(GDALGetMetadata( hDataset, "SUBDATASETS" )) > 0 )
    {
        char **papszSubdatasets = GDALGetMetadata(hDataset,"SUBDATASETS");
        char *pszSubDest = static_cast<char *>(
            CPLMalloc(strlen(psOptionsForBinary->pszDest) + 32));

        CPLString osPath = CPLGetPath(psOptionsForBinary->pszDest);
        CPLString osBasename = CPLGetBasename(psOptionsForBinary->pszDest);
        CPLString osExtension = CPLGetExtension(psOptionsForBinary->pszDest);
        CPLString osTemp;

        const char* pszFormat = nullptr;
        if ( CSLCount(papszSubdatasets)/2 < 10 )
        {
            pszFormat = "%s_%d";
        }
        else if ( CSLCount(papszSubdatasets)/2 < 100 )
        {
            pszFormat = "%s_%002d";
        }
        else
        {
            pszFormat = "%s_%003d";
        }

        const char* pszDest = pszSubDest;

        for( int i = 0; papszSubdatasets[i] != nullptr; i += 2 )
        {
            char* pszSource = CPLStrdup(strstr(papszSubdatasets[i],"=")+1);
            osTemp = CPLSPrintf( pszFormat, osBasename.c_str(), i/2 + 1 );
            osTemp = CPLFormFilename( osPath, osTemp, osExtension );
            strcpy( pszSubDest, osTemp.c_str() );
            hDataset = GDALOpenEx( pszSource, GDAL_OF_RASTER, nullptr,
                           psOptionsForBinary->papszOpenOptions, nullptr );
            CPLFree(pszSource);
            if( !psOptionsForBinary->bQuiet )
                printf("Input file size is %d, %d\n", GDALGetRasterXSize(hDataset), GDALGetRasterYSize(hDataset));
            hOutDS = GDALTranslate(pszDest, hDataset, psOptions, &bUsageError);
            if(bUsageError == TRUE)
                Usage();
            if (hOutDS == nullptr)
                break;
            GDALClose(hOutDS);
        }

        GDALClose(hDataset);
        GDALTranslateOptionsFree(psOptions);
        GDALTranslateOptionsForBinaryFree(psOptionsForBinary);
        CPLFree(pszSubDest);

        GDALDestroyDriverManager();
        return 0;
    }

    if( !psOptionsForBinary->bQuiet )
        printf("Input file size is %d, %d\n", GDALGetRasterXSize(hDataset), GDALGetRasterYSize(hDataset));

    hOutDS = GDALTranslate(psOptionsForBinary->pszDest, hDataset, psOptions, &bUsageError);
    if(bUsageError == TRUE)
        Usage();
    int nRetCode = hOutDS ? 0 : 1;

    /* Close hOutDS before hDataset for the -f VRT case */
    GDALClose(hOutDS);
    GDALClose(hDataset);
    GDALTranslateOptionsFree(psOptions);
    GDALTranslateOptionsForBinaryFree(psOptionsForBinary);

    GDALDestroyDriverManager();

    return nRetCode;
}
Esempio n. 23
0
void IDADataset::ReadColorTable()

{
/* -------------------------------------------------------------------- */
/*      Decide what .clr file to look for and try to open.              */
/* -------------------------------------------------------------------- */
    CPLString osCLRFilename;

    osCLRFilename = CPLGetConfigOption( "IDA_COLOR_FILE", "" );
    if( strlen(osCLRFilename) == 0 )
        osCLRFilename = CPLResetExtension(GetDescription(), "clr" );


    FILE *fp = VSIFOpen( osCLRFilename, "r" );
    if( fp == NULL )
    {
        osCLRFilename = CPLResetExtension(osCLRFilename, "CLR" );
        fp = VSIFOpen( osCLRFilename, "r" );
    }

    if( fp == NULL )
        return;

/* -------------------------------------------------------------------- */
/*      Skip first line, with the column titles.                        */
/* -------------------------------------------------------------------- */
    CPLReadLine( fp );

/* -------------------------------------------------------------------- */
/*      Create a RAT to populate.                                       */
/* -------------------------------------------------------------------- */
    GDALRasterAttributeTable *poRAT = new GDALDefaultRasterAttributeTable();

    poRAT->CreateColumn( "FROM", GFT_Integer, GFU_Min );
    poRAT->CreateColumn( "TO", GFT_Integer, GFU_Max );
    poRAT->CreateColumn( "RED", GFT_Integer, GFU_Red );
    poRAT->CreateColumn( "GREEN", GFT_Integer, GFU_Green );
    poRAT->CreateColumn( "BLUE", GFT_Integer, GFU_Blue );
    poRAT->CreateColumn( "LEGEND", GFT_String, GFU_Name );

/* -------------------------------------------------------------------- */
/*      Apply lines.                                                    */
/* -------------------------------------------------------------------- */
    const char *pszLine = CPLReadLine( fp );
    int iRow = 0;

    while( pszLine != NULL )
    {
        char **papszTokens = 
            CSLTokenizeStringComplex( pszLine, " \t", FALSE, FALSE );
        
        if( CSLCount( papszTokens ) >= 5 )
        {
            poRAT->SetValue( iRow, 0, atoi(papszTokens[0]) );
            poRAT->SetValue( iRow, 1, atoi(papszTokens[1]) );
            poRAT->SetValue( iRow, 2, atoi(papszTokens[2]) );
            poRAT->SetValue( iRow, 3, atoi(papszTokens[3]) );
            poRAT->SetValue( iRow, 4, atoi(papszTokens[4]) );

            // find name, first nonspace after 5th token. 
            const char *pszName = pszLine;

            // skip from
            while( *pszName == ' ' || *pszName == '\t' )
                pszName++;
            while( *pszName != ' ' && *pszName != '\t' && *pszName != '\0' )
                pszName++;
            
            // skip to
            while( *pszName == ' ' || *pszName == '\t' )
                pszName++;
            while( *pszName != ' ' && *pszName != '\t' && *pszName != '\0' )
                pszName++;
            
            // skip red
            while( *pszName == ' ' || *pszName == '\t' )
                pszName++;
            while( *pszName != ' ' && *pszName != '\t' && *pszName != '\0' )
                pszName++;
            
            // skip green
            while( *pszName == ' ' || *pszName == '\t' )
                pszName++;
            while( *pszName != ' ' && *pszName != '\t' && *pszName != '\0' )
                pszName++;
            
            // skip blue
            while( *pszName == ' ' || *pszName == '\t' )
                pszName++;
            while( *pszName != ' ' && *pszName != '\t' && *pszName != '\0' )
                pszName++;

            // skip pre-name white space
            while( *pszName == ' ' || *pszName == '\t' )
                pszName++;

            poRAT->SetValue( iRow, 5, pszName );
            
            iRow++;
        }

        CSLDestroy( papszTokens );
        pszLine = CPLReadLine( fp );
    }

    VSIFClose( fp );

/* -------------------------------------------------------------------- */
/*      Attach RAT to band.                                             */
/* -------------------------------------------------------------------- */
    ((IDARasterBand *) GetRasterBand( 1 ))->poRAT = poRAT;

/* -------------------------------------------------------------------- */
/*      Build a conventional color table from this.                     */
/* -------------------------------------------------------------------- */
    ((IDARasterBand *) GetRasterBand( 1 ))->poColorTable = 
        poRAT->TranslateToColorTable();
}
Esempio n. 24
0
// Unix case.
static bool TABAdjustCaseSensitiveFilename(char *pszFname)
{
    VSIStatBufL sStatBuf;

    // First check if the filename is OK as is.
    if (VSIStatL(pszFname, &sStatBuf) == 0)
    {
        return true;
    }

    // File either does not exist or has the wrong cases.
    // Go backwards until we find a portion of the path that is valid.
    char *pszTmpPath = CPLStrdup(pszFname);
    const int nTotalLen = static_cast<int>(strlen(pszTmpPath));
    int iTmpPtr = nTotalLen;
    GBool bValidPath = false;

    while(iTmpPtr > 0 && !bValidPath)
    {
        // Move back to the previous '/' separator.
        pszTmpPath[--iTmpPtr] = '\0';
        while( iTmpPtr > 0 && pszTmpPath[iTmpPtr-1] != '/' )
        {
            pszTmpPath[--iTmpPtr] = '\0';
        }

        if (iTmpPtr > 0 && VSIStatL(pszTmpPath, &sStatBuf) == 0)
            bValidPath = true;
    }

    CPLAssert(iTmpPtr >= 0);

    // Assume that CWD is valid.  Therefor an empty path is a valid.
    if (iTmpPtr == 0)
        bValidPath = true;

    // Now that we have a valid base, reconstruct the whole path
    // by scanning all the sub-directories.
    // If we get to a point where a path component does not exist then
    // we simply return the rest of the path as is.
    while(bValidPath && (int)strlen(pszTmpPath) < nTotalLen)
    {
        int iLastPartStart = iTmpPtr;
        char **papszDir = VSIReadDir(pszTmpPath);

        // Add one component to the current path.
        pszTmpPath[iTmpPtr] = pszFname[iTmpPtr];
        iTmpPtr++;
        for( ; pszFname[iTmpPtr] != '\0' && pszFname[iTmpPtr]!='/'; iTmpPtr++)
        {
            pszTmpPath[iTmpPtr] = pszFname[iTmpPtr];
        }

        while(iLastPartStart < iTmpPtr && pszTmpPath[iLastPartStart] == '/')
            iLastPartStart++;

        // And do a case insensitive search in the current dir.
        for(int iEntry = 0; papszDir && papszDir[iEntry]; iEntry++)
        {
            if (EQUAL(pszTmpPath + iLastPartStart, papszDir[iEntry]))
            {
                // Fount it.
                strcpy(pszTmpPath+iLastPartStart, papszDir[iEntry]);
                break;
            }
        }

        if (iTmpPtr > 0 && VSIStatL(pszTmpPath, &sStatBuf) != 0)
            bValidPath = false;

        CSLDestroy(papszDir);
    }

    // We reached the last valid path component... just copy the rest
    // of the path as is.
    if (iTmpPtr < nTotalLen-1)
    {
        strncpy(pszTmpPath+iTmpPtr, pszFname+iTmpPtr, nTotalLen-iTmpPtr);
    }

    // Update the source buffer and return.
    strcpy(pszFname, pszTmpPath);
    CPLFree(pszTmpPath);

    return bValidPath;
}
Esempio n. 25
0
int VSICurlStreamingHandle::Exists()
{
    if (eExists == EXIST_UNKNOWN)
    {
        /* Consider that only the files whose extension ends up with one that is */
        /* listed in CPL_VSIL_CURL_ALLOWED_EXTENSIONS exist on the server */
        /* This can speeds up dramatically open experience, in case the server */
        /* cannot return a file list */
        /* For example : */
        /* gdalinfo --config CPL_VSIL_CURL_ALLOWED_EXTENSIONS ".tif" /vsicurl_streaming/http://igskmncngs506.cr.usgs.gov/gmted/Global_tiles_GMTED/075darcsec/bln/W030/30N030W_20101117_gmted_bln075.tif */
        const char* pszAllowedExtensions =
            CPLGetConfigOption("CPL_VSIL_CURL_ALLOWED_EXTENSIONS", NULL);
        if (pszAllowedExtensions)
        {
            char** papszExtensions = CSLTokenizeString2( pszAllowedExtensions, ", ", 0 );
            int nURLLen = strlen(pszURL);
            int bFound = FALSE;
            for(int i=0;papszExtensions[i] != NULL;i++)
            {
                int nExtensionLen = strlen(papszExtensions[i]);
                if (nURLLen > nExtensionLen &&
                    EQUAL(pszURL + nURLLen - nExtensionLen, papszExtensions[i]))
                {
                    bFound = TRUE;
                    break;
                }
            }

            if (!bFound)
            {
                eExists = EXIST_NO;
                fileSize = 0;

                poFS->AcquireMutex();
                CachedFileProp* cachedFileProp = poFS->GetCachedFileProp(pszURL);
                cachedFileProp->bHastComputedFileSize = TRUE;
                cachedFileProp->fileSize = fileSize;
                cachedFileProp->eExists = eExists;
                poFS->ReleaseMutex();

                CSLDestroy(papszExtensions);

                return 0;
            }

            CSLDestroy(papszExtensions);
        }

        char chFirstByte;
        int bExists = (Read(&chFirstByte, 1, 1) == 1);

        AcquireMutex();
        poFS->AcquireMutex();
        CachedFileProp* cachedFileProp = poFS->GetCachedFileProp(pszURL);
        cachedFileProp->eExists = eExists = bExists ? EXIST_YES : EXIST_NO;
        poFS->ReleaseMutex();
        ReleaseMutex();

        Seek(0, SEEK_SET);
    }

    return eExists == EXIST_YES;
}
Esempio n. 26
0
CPLKeywordParser::~CPLKeywordParser()

{
    CSLDestroy( papszKeywordList );
    papszKeywordList = NULL;
}
Esempio n. 27
0
int OGRGFTDataSource::Open( const char * pszFilename, int bUpdateIn)

{
    bReadWrite = bUpdateIn;

    pszName = CPLStrdup( pszFilename );

    osAuth = OGRGFTGetOptionValue(pszFilename, "auth");
    if (osAuth.empty())
        osAuth = CPLGetConfigOption("GFT_AUTH", "");

    osRefreshToken = OGRGFTGetOptionValue(pszFilename, "refresh");
    if (osRefreshToken.empty())
        osRefreshToken = CPLGetConfigOption("GFT_REFRESH_TOKEN", "");

    osAPIKey = CPLGetConfigOption("GFT_APIKEY", GDAL_API_KEY);

    CPLString osTables = OGRGFTGetOptionValue(pszFilename, "tables");

    bUseHTTPS = TRUE;

    osAccessToken = OGRGFTGetOptionValue(pszFilename, "access");
    if (osAccessToken.empty())
        osAccessToken = CPLGetConfigOption("GFT_ACCESS_TOKEN","");
    if (osAccessToken.empty() && !osRefreshToken.empty())
    {
        osAccessToken.Seize(GOA2GetAccessToken(osRefreshToken,
                                               FUSION_TABLE_SCOPE));
        if (osAccessToken.empty())
            return FALSE;
    }
    /* coverity[copy_paste_error] */
    if (osAccessToken.empty() && !osAuth.empty())
    {
        osRefreshToken.Seize(GOA2GetRefreshToken(osAuth, FUSION_TABLE_SCOPE));
        if (osRefreshToken.empty())
            return FALSE;
    }

    if (osAccessToken.empty())
    {
        if (osTables.empty())
        {
            CPLError(CE_Failure, CPLE_AppDefined,
                    "Unauthenticated access requires explicit tables= parameter");
            return FALSE;
        }
    }

    if (!osTables.empty())
    {
        char** papszTables = CSLTokenizeString2(osTables, ",", 0);
        for(int i=0;papszTables && papszTables[i];i++)
        {
            papoLayers = (OGRLayer**) CPLRealloc(papoLayers, (nLayers + 1) * sizeof(OGRLayer*));
            papoLayers[nLayers ++] = new OGRGFTTableLayer(this, papszTables[i], papszTables[i]);
        }
        CSLDestroy(papszTables);
        return TRUE;
    }

    /* Get list of tables */
    CPLHTTPResult * psResult = RunSQL("SHOW TABLES");

    if (psResult == nullptr)
        return FALSE;

    char* pszLine = (char*) psResult->pabyData;
    if (pszLine == nullptr ||
        psResult->pszErrBuf != nullptr ||
        !STARTS_WITH(pszLine, "table id,name"))
    {
        CPLHTTPDestroyResult(psResult);
        return FALSE;
    }

    pszLine = OGRGFTGotoNextLine(pszLine);
    while(pszLine != nullptr && *pszLine != 0)
    {
        char* pszNextLine = OGRGFTGotoNextLine(pszLine);
        if (pszNextLine)
            pszNextLine[-1] = 0;

        char** papszTokens = CSLTokenizeString2(pszLine, ",", 0);
        if (CSLCount(papszTokens) == 2)
        {
            CPLString osTableId(papszTokens[0]);
            CPLString osLayerName(papszTokens[1]);
            for(int i=0;i<nLayers;i++)
            {
                if (strcmp(papoLayers[i]->GetName(), osLayerName) == 0)
                {
                    osLayerName += " (";
                    osLayerName += osTableId;
                    osLayerName += ")";
                    break;
                }
            }
            papoLayers = (OGRLayer**) CPLRealloc(papoLayers, (nLayers + 1) * sizeof(OGRLayer*));
            papoLayers[nLayers ++] = new OGRGFTTableLayer(this, osLayerName, osTableId);
        }
        CSLDestroy(papszTokens);

        pszLine = pszNextLine;
    }

    CPLHTTPDestroyResult(psResult);

    return TRUE;
}
Esempio n. 28
0
GDALDataset *HDF5ImageDataset::Open( GDALOpenInfo * poOpenInfo )
{
    int i;
    HDF5ImageDataset    *poDS;
    char szFilename[2048];

    if(!EQUALN( poOpenInfo->pszFilename, "HDF5:", 5 ) ||
        strlen(poOpenInfo->pszFilename) > sizeof(szFilename) - 3 )
        return NULL;

/* -------------------------------------------------------------------- */
/*      Confirm the requested access is supported.                      */
/* -------------------------------------------------------------------- */
    if( poOpenInfo->eAccess == GA_Update )
    {
        CPLError( CE_Failure, CPLE_NotSupported,
                  "The HDF5ImageDataset driver does not support update access to existing"
                  " datasets.\n" );
        return NULL;
    }

    poDS = new HDF5ImageDataset();

    /* -------------------------------------------------------------------- */
    /*      Create a corresponding GDALDataset.                             */
    /* -------------------------------------------------------------------- */
    /* printf("poOpenInfo->pszFilename %s\n",poOpenInfo->pszFilename); */
    char **papszName =
        CSLTokenizeString2(  poOpenInfo->pszFilename,
                             ":", CSLT_HONOURSTRINGS|CSLT_PRESERVEESCAPES );

    if( !((CSLCount(papszName) == 3) || (CSLCount(papszName) == 4)) )
    {
        CSLDestroy(papszName);
        delete poDS;
        return NULL;
    }

    poDS->SetDescription( poOpenInfo->pszFilename );

    /* -------------------------------------------------------------------- */
    /*    Check for drive name in windows HDF5:"D:\...                      */
    /* -------------------------------------------------------------------- */
    strcpy(szFilename, papszName[1]);

    if( strlen(papszName[1]) == 1 && papszName[3] != NULL )
    {
        strcat(szFilename, ":");
        strcat(szFilename, papszName[2]);

        poDS->SetSubdatasetName( papszName[3] );
    }
    else
        poDS->SetSubdatasetName( papszName[2] );

    CSLDestroy(papszName);
    papszName = NULL;

    if( !H5Fis_hdf5(szFilename) ) {
        delete poDS;
        return NULL;
    }

    poDS->SetPhysicalFilename( szFilename );

    /* -------------------------------------------------------------------- */
    /*      Try opening the dataset.                                        */
    /* -------------------------------------------------------------------- */
    poDS->hHDF5 = H5Fopen(szFilename,
                          H5F_ACC_RDONLY,
                          H5P_DEFAULT );

    if( poDS->hHDF5 < 0 )
    {
        delete poDS;
        return NULL;
    }

    poDS->hGroupID = H5Gopen( poDS->hHDF5, "/" );
    if( poDS->hGroupID < 0 )
    {
        poDS->bIsHDFEOS=false;
        delete poDS;
        return NULL;
    }

/* -------------------------------------------------------------------- */
/*      THIS IS AN HDF5 FILE                                            */
/* -------------------------------------------------------------------- */
    poDS->bIsHDFEOS=TRUE;
    poDS->ReadGlobalAttributes( FALSE );

/* -------------------------------------------------------------------- */
/*      Create HDF5 Data Hierarchy in a link list                       */
/* -------------------------------------------------------------------- */
    poDS->poH5Objects =
        poDS->HDF5FindDatasetObjectsbyPath( poDS->poH5RootGroup,
                                            (char *)poDS->GetSubdatasetName() );

    if( poDS->poH5Objects == NULL ) {
        delete poDS;
        return NULL;
    }
/* -------------------------------------------------------------------- */
/*      Retrieve HDF5 data information                                  */
/* -------------------------------------------------------------------- */
    poDS->dataset_id   = H5Dopen( poDS->hHDF5,poDS->poH5Objects->pszPath );
    poDS->dataspace_id = H5Dget_space( poDS->dataset_id );
    poDS->ndims        = H5Sget_simple_extent_ndims( poDS->dataspace_id );
    poDS->dims         = (hsize_t*)CPLCalloc( poDS->ndims, sizeof(hsize_t) );
    poDS->maxdims      = (hsize_t*)CPLCalloc( poDS->ndims, sizeof(hsize_t) );
    poDS->dimensions   = H5Sget_simple_extent_dims( poDS->dataspace_id,
                                                    poDS->dims,
                                                    poDS->maxdims );
    poDS->datatype = H5Dget_type( poDS->dataset_id );
    poDS->clas     = H5Tget_class( poDS->datatype );
    poDS->size     = H5Tget_size( poDS->datatype );
    poDS->address = H5Dget_offset( poDS->dataset_id );
    poDS->native  = H5Tget_native_type( poDS->datatype, H5T_DIR_ASCEND );

    poDS->nRasterYSize=(int)poDS->dims[poDS->ndims-2];   // Y
    poDS->nRasterXSize=(int)poDS->dims[poDS->ndims-1];   // X alway last

    poDS->nBands=1;

    if( poDS->ndims == 3 ) poDS->nBands=(int) poDS->dims[0];


    for(  i = 1; i <= poDS->nBands; i++ ) {
        HDF5ImageRasterBand *poBand =
            new HDF5ImageRasterBand( poDS, i,
                            poDS->GetDataType( poDS->native ) );

        poDS->SetBand( i, poBand );
        if( poBand->bNoDataSet )
            poBand->SetNoDataValue( 255 );
    }

    // CSK code in IdentifyProductType() and CreateProjections() 
    // uses dataset metadata.
    poDS->SetMetadata( poDS->papszMetadata );

    // Check if the hdf5 is a well known product type
    poDS->IdentifyProductType();

    poDS->CreateProjections( );

/* -------------------------------------------------------------------- */
/*      Setup/check for pam .aux.xml.                                   */
/* -------------------------------------------------------------------- */
    poDS->TryLoadXML();

/* -------------------------------------------------------------------- */
/*      Setup overviews.                                                */
/* -------------------------------------------------------------------- */
    poDS->oOvManager.Initialize( poDS, ":::VIRTUAL:::" );

    return( poDS );
}
Esempio n. 29
0
CPLXMLNode *GDALSerializeRPCTransformer( void *pTransformArg )

{
    VALIDATE_POINTER1( pTransformArg, "GDALSerializeRPCTransformer", NULL );

    CPLXMLNode *psTree;
    GDALRPCTransformInfo *psInfo = 
        (GDALRPCTransformInfo *)(pTransformArg);

    psTree = CPLCreateXMLNode( NULL, CXT_Element, "RPCTransformer" );

/* -------------------------------------------------------------------- */
/*      Serialize bReversed.                                            */
/* -------------------------------------------------------------------- */
    CPLCreateXMLElementAndValue( 
        psTree, "Reversed", 
        CPLString().Printf( "%d", psInfo->bReversed ) );

/* -------------------------------------------------------------------- */
/*      Serialize Height Offset.                                        */
/* -------------------------------------------------------------------- */
    CPLCreateXMLElementAndValue( 
        psTree, "HeightOffset", 
        CPLString().Printf( "%.15g", psInfo->dfHeightOffset ) );

/* -------------------------------------------------------------------- */
/*      Serialize Height Scale.                                         */
/* -------------------------------------------------------------------- */
    if (psInfo->dfHeightScale != 1.0)
        CPLCreateXMLElementAndValue( 
            psTree, "HeightScale", 
            CPLString().Printf( "%.15g", psInfo->dfHeightScale ) );

/* -------------------------------------------------------------------- */
/*      Serialize DEM path.                                             */
/* -------------------------------------------------------------------- */
    if (psInfo->pszDEMPath != NULL)
        CPLCreateXMLElementAndValue( 
            psTree, "DEMPath", 
            CPLString().Printf( "%s", psInfo->pszDEMPath ) );

/* -------------------------------------------------------------------- */
/*      Serialize DEM interpolation                                     */
/* -------------------------------------------------------------------- */
    CPLString soDEMInterpolation;
    switch(psInfo->eResampleAlg)
    {
    case  DRA_NearestNeighbour:
        soDEMInterpolation = "near";
        break;
    case DRA_Cubic:
        soDEMInterpolation = "cubic";
        break;
    default:
    case DRA_Bilinear:
        soDEMInterpolation = "bilinear";
    }
    CPLCreateXMLElementAndValue( 
        psTree, "DEMInterpolation", soDEMInterpolation );

/* -------------------------------------------------------------------- */
/*      Serialize pixel error threshold.                                */
/* -------------------------------------------------------------------- */
    CPLCreateXMLElementAndValue( 
        psTree, "PixErrThreshold", 
        CPLString().Printf( "%.15g", psInfo->dfPixErrThreshold ) );

/* -------------------------------------------------------------------- */
/*      RPC metadata.                                                   */
/* -------------------------------------------------------------------- */
    char **papszMD = RPCInfoToMD( &(psInfo->sRPC) );
    CPLXMLNode *psMD= CPLCreateXMLNode( psTree, CXT_Element, 
                                        "Metadata" );

    for( int i = 0; papszMD != NULL && papszMD[i] != NULL; i++ )
    {
        const char *pszRawValue;
        char *pszKey;
        CPLXMLNode *psMDI;
                
        pszRawValue = CPLParseNameValue( papszMD[i], &pszKey );
                
        psMDI = CPLCreateXMLNode( psMD, CXT_Element, "MDI" );
        CPLSetXMLValue( psMDI, "#key", pszKey );
        CPLCreateXMLNode( psMDI, CXT_Text, pszRawValue );
                
        CPLFree( pszKey );
    }

    CSLDestroy( papszMD );

    return psTree;
}
Esempio n. 30
0
CPLErr CPL_STDCALL 
GDALComputeProximity( GDALRasterBandH hSrcBand, 
                      GDALRasterBandH hProximityBand,
                      char **papszOptions,
                      GDALProgressFunc pfnProgress, 
                      void * pProgressArg )

{
    int nXSize, nYSize, i, bFixedBufVal = FALSE;
    const char *pszOpt;
    double dfMaxDist;
    double dfFixedBufVal = 0.0;

    VALIDATE_POINTER1( hSrcBand, "GDALComputeProximity", CE_Failure );
    VALIDATE_POINTER1( hProximityBand, "GDALComputeProximity", CE_Failure );

    if( pfnProgress == NULL )
        pfnProgress = GDALDummyProgress;

/* -------------------------------------------------------------------- */
/*      Are we using pixels or georeferenced coordinates for distances? */
/* -------------------------------------------------------------------- */
    double dfDistMult = 1.0;
    pszOpt = CSLFetchNameValue( papszOptions, "DISTUNITS" );
    if( pszOpt )
    {
        if( EQUAL(pszOpt,"GEO") )
        {
            GDALDatasetH hSrcDS = GDALGetBandDataset( hSrcBand );
            if( hSrcDS )
            {
                double adfGeoTransform[6];

                GDALGetGeoTransform( hSrcDS, adfGeoTransform );
                if( ABS(adfGeoTransform[1]) != ABS(adfGeoTransform[5]) )
                    CPLError( CE_Warning, CPLE_AppDefined,
                              "Pixels not square, distances will be inaccurate." );
                dfDistMult = ABS(adfGeoTransform[1]);
            }
        }
        else if( !EQUAL(pszOpt,"PIXEL") )
        {
            CPLError( CE_Failure, CPLE_AppDefined,
                      "Unrecognised DISTUNITS value '%s', should be GEO or PIXEL.",
                      pszOpt );
            return CE_Failure;
        }
    }

/* -------------------------------------------------------------------- */
/*      What is our maxdist value?                                      */
/* -------------------------------------------------------------------- */
    pszOpt = CSLFetchNameValue( papszOptions, "MAXDIST" );
    if( pszOpt )
        dfMaxDist = CPLAtof(pszOpt) / dfDistMult;
    else
        dfMaxDist = GDALGetRasterBandXSize(hSrcBand) + GDALGetRasterBandYSize(hSrcBand);

    CPLDebug( "GDAL", "MAXDIST=%g, DISTMULT=%g", dfMaxDist, dfDistMult );

/* -------------------------------------------------------------------- */
/*      Verify the source and destination are compatible.               */
/* -------------------------------------------------------------------- */
    nXSize = GDALGetRasterBandXSize( hSrcBand );
    nYSize = GDALGetRasterBandYSize( hSrcBand );
    if( nXSize != GDALGetRasterBandXSize( hProximityBand )
        || nYSize != GDALGetRasterBandYSize( hProximityBand ))
    {
        CPLError( CE_Failure, CPLE_AppDefined, 
                  "Source and proximity bands are not the same size." );
        return CE_Failure;
    }

/* -------------------------------------------------------------------- */
/*      Get input NODATA value.                                         */
/* -------------------------------------------------------------------- */
    double dfSrcNoDataValue = 0.0;
    double *pdfSrcNoData = NULL;
    if( CSLFetchBoolean( papszOptions, "USE_INPUT_NODATA", FALSE ) )
    {
        int bSrcHasNoData = 0;
        dfSrcNoDataValue = GDALGetRasterNoDataValue( hSrcBand, &bSrcHasNoData );
        if( bSrcHasNoData )
            pdfSrcNoData = &dfSrcNoDataValue;
    }

/* -------------------------------------------------------------------- */
/*      Get output NODATA value.                                        */
/* -------------------------------------------------------------------- */
    float fNoDataValue;
    pszOpt = CSLFetchNameValue( papszOptions, "NODATA" );
    if( pszOpt != NULL )
        fNoDataValue = (float) CPLAtof(pszOpt);
    else
    {
        int bSuccess;

        fNoDataValue = (float) GDALGetRasterNoDataValue( hProximityBand, &bSuccess );
        if( !bSuccess )
            fNoDataValue = 65535.0;
    }
    
/* -------------------------------------------------------------------- */
/*      Is there a fixed value we wish to force the buffer area to?     */
/* -------------------------------------------------------------------- */
    pszOpt = CSLFetchNameValue( papszOptions, "FIXED_BUF_VAL" );
    if( pszOpt )
    {
        dfFixedBufVal = CPLAtof(pszOpt);
        bFixedBufVal = TRUE;
    }

/* -------------------------------------------------------------------- */
/*      Get the target value(s).                                        */
/* -------------------------------------------------------------------- */
    int *panTargetValues = NULL;
    int  nTargetValues = 0;
    
    pszOpt = CSLFetchNameValue( papszOptions, "VALUES" );
    if( pszOpt != NULL )
    {
        char **papszValuesTokens;

        papszValuesTokens = CSLTokenizeStringComplex( pszOpt, ",", FALSE,FALSE);
        
        nTargetValues = CSLCount(papszValuesTokens);
        panTargetValues = (int *) CPLCalloc(sizeof(int),nTargetValues);
        
        for( i = 0; i < nTargetValues; i++ )
            panTargetValues[i] = atoi(papszValuesTokens[i]);
        CSLDestroy( papszValuesTokens );
    }

/* -------------------------------------------------------------------- */
/*      Initialize progress counter.                                    */
/* -------------------------------------------------------------------- */
    if( !pfnProgress( 0.0, "", pProgressArg ) )
    {
        CPLError( CE_Failure, CPLE_UserInterrupt, "User terminated" );
        CPLFree(panTargetValues);
        return CE_Failure;
    }

/* -------------------------------------------------------------------- */
/*      We need a signed type for the working proximity values kept     */
/*      on disk.  If our proximity band is not signed, then create a    */
/*      temporary file for this purpose.                                */
/* -------------------------------------------------------------------- */
    GDALRasterBandH hWorkProximityBand = hProximityBand;
    GDALDatasetH hWorkProximityDS = NULL;
    GDALDataType eProxType = GDALGetRasterDataType( hProximityBand );
    int   *panNearX = NULL, *panNearY = NULL;
    float *pafProximity = NULL;
    GInt32 *panSrcScanline = NULL;
    int iLine;
    CPLErr eErr = CE_None;

    if( eProxType == GDT_Byte 
        || eProxType == GDT_UInt16
        || eProxType == GDT_UInt32 )
    {
        GDALDriverH hDriver = GDALGetDriverByName("GTiff");
        if (hDriver == NULL)
        {
            CPLError(CE_Failure, CPLE_AppDefined,
                     "GDALComputeProximity needs GTiff driver");
            eErr = CE_Failure;
            goto end;
        }
        CPLString osTmpFile = CPLGenerateTempFilename( "proximity" );
        hWorkProximityDS = 
            GDALCreate( hDriver, osTmpFile,
                        nXSize, nYSize, 1, GDT_Float32, NULL );
        if (hWorkProximityDS == NULL)
        {
            eErr = CE_Failure;
            goto end;
        }
        hWorkProximityBand = GDALGetRasterBand( hWorkProximityDS, 1 );
    }

/* -------------------------------------------------------------------- */
/*      Allocate buffer for two scanlines of distances as floats        */
/*      (the current and last line).                                    */
/* -------------------------------------------------------------------- */
    pafProximity = (float *) VSIMalloc2(sizeof(float), nXSize);
    panNearX = (int *) VSIMalloc2(sizeof(int), nXSize);
    panNearY = (int *) VSIMalloc2(sizeof(int), nXSize);
    panSrcScanline = (GInt32 *) VSIMalloc2(sizeof(GInt32), nXSize);

    if( pafProximity== NULL 
        || panNearX == NULL 
        || panNearY == NULL
        || panSrcScanline == NULL)
    {
        CPLError( CE_Failure, CPLE_OutOfMemory, 
                  "Out of memory allocating working buffers.");
        eErr = CE_Failure;
        goto end;
    }

/* -------------------------------------------------------------------- */
/*      Loop from top to bottom of the image.                           */
/* -------------------------------------------------------------------- */

    for( i = 0; i < nXSize; i++ )
        panNearX[i] = panNearY[i] = -1;

    for( iLine = 0; eErr == CE_None && iLine < nYSize; iLine++ )
    {
        // Read for target values.
        eErr = GDALRasterIO( hSrcBand, GF_Read, 0, iLine, nXSize, 1, 
                             panSrcScanline, nXSize, 1, GDT_Int32, 0, 0 );
        if( eErr != CE_None )
            break;

        for( i = 0; i < nXSize; i++ )
            pafProximity[i] = -1.0;

        // Left to right
        ProcessProximityLine( panSrcScanline, panNearX, panNearY, 
                              TRUE, iLine, nXSize, dfMaxDist, pafProximity,
                              pdfSrcNoData, nTargetValues, panTargetValues );

        // Right to Left
        ProcessProximityLine( panSrcScanline, panNearX, panNearY, 
                              FALSE, iLine, nXSize, dfMaxDist, pafProximity,
                              pdfSrcNoData, nTargetValues, panTargetValues );

        // Write out results.
        eErr = 
            GDALRasterIO( hWorkProximityBand, GF_Write, 0, iLine, nXSize, 1, 
                          pafProximity, nXSize, 1, GDT_Float32, 0, 0 );

        if( eErr != CE_None )
            break;

        if( !pfnProgress( 0.5 * (iLine+1) / (double) nYSize, 
                          "", pProgressArg ) )
        {
            CPLError( CE_Failure, CPLE_UserInterrupt, "User terminated" );
            eErr = CE_Failure;
        }
    }

/* -------------------------------------------------------------------- */
/*      Loop from bottom to top of the image.                           */
/* -------------------------------------------------------------------- */
    for( i = 0; i < nXSize; i++ )
        panNearX[i] = panNearY[i] = -1;

    for( iLine = nYSize-1; eErr == CE_None && iLine >= 0; iLine-- )
    {
        // Read first pass proximity
        eErr = 
            GDALRasterIO( hWorkProximityBand, GF_Read, 0, iLine, nXSize, 1, 
                          pafProximity, nXSize, 1, GDT_Float32, 0, 0 );

        if( eErr != CE_None )
            break;

        // Read pixel values.

        eErr = GDALRasterIO( hSrcBand, GF_Read, 0, iLine, nXSize, 1, 
                             panSrcScanline, nXSize, 1, GDT_Int32, 0, 0 );
        if( eErr != CE_None )
            break;

        // Right to left
        ProcessProximityLine( panSrcScanline, panNearX, panNearY, 
                              FALSE, iLine, nXSize, dfMaxDist, pafProximity,
                              pdfSrcNoData, nTargetValues, panTargetValues );

        // Left to right
        ProcessProximityLine( panSrcScanline, panNearX, panNearY, 
                              TRUE, iLine, nXSize, dfMaxDist, pafProximity,
                              pdfSrcNoData, nTargetValues, panTargetValues );

        // Final post processing of distances. 
        for( i = 0; i < nXSize; i++ )
        {
            if( pafProximity[i] < 0.0 )
                pafProximity[i] = fNoDataValue;
            else if( pafProximity[i] > 0.0 )
            {
                if( bFixedBufVal )
                    pafProximity[i] = (float) dfFixedBufVal;
                else 
                    pafProximity[i] = (float)(pafProximity[i] * dfDistMult);
            }
        }
  
        // Write out results.
        eErr = 
            GDALRasterIO( hProximityBand, GF_Write, 0, iLine, nXSize, 1, 
                          pafProximity, nXSize, 1, GDT_Float32, 0, 0 );

        if( eErr != CE_None )
            break;

        if( !pfnProgress( 0.5 + 0.5 * (nYSize-iLine) / (double) nYSize, 
                          "", pProgressArg ) )
        {
            CPLError( CE_Failure, CPLE_UserInterrupt, "User terminated" );
            eErr = CE_Failure;
        }
    }

/* -------------------------------------------------------------------- */
/*      Cleanup                                                         */
/* -------------------------------------------------------------------- */
end:
    CPLFree( panNearX );
    CPLFree( panNearY );
    CPLFree( panSrcScanline );
    CPLFree( pafProximity );
    CPLFree(panTargetValues);

    if( hWorkProximityDS != NULL )
    {
        CPLString osProxFile = GDALGetDescription( hWorkProximityDS );
        GDALClose( hWorkProximityDS );
        GDALDeleteDataset( GDALGetDriverByName( "GTiff" ), osProxFile );
    }

    return eErr;
}