Esempio n. 1
0
bool wxGxOpenFileGDB::Move(const CPLString &szDestPath, ITrackCancel* const pTrackCancel)
{
    wxGISDataset* pDSet = GetDatasetFast();

    if (NULL != pDSet)
    {
        pDSet->Close();
        wsDELETE(pDSet);
    }

    if (pTrackCancel)
        pTrackCancel->PutMessage(wxString::Format(_("%s %s %s"), _("Move"), GetCategory().c_str(), m_sName.c_str()), wxNOT_FOUND, enumGISMessageInfo);

    //CPLString szFullDestPath = CPLFormFilename(szDestPath, CPLGetFilename(m_sPath), NULL);
    CPLString szFullDestPath = CheckUniqPath(szDestPath, CPLGetFilename(m_sPath), true, " ");

    bool bRet = MoveDir(m_sPath, szFullDestPath, 777, pTrackCancel);
    if (!bRet)
    {
        const char* err = CPLGetLastErrorMsg();
        wxString sErr = wxString::Format(_("Operation '%s' failed! GDAL error: %s, %s '%s'"), _("Move"), GetCategory().c_str(), wxString(err, wxConvUTF8).c_str(), wxString(m_sPath, wxConvUTF8).c_str());
        wxLogError(sErr);
        if (pTrackCancel)
            pTrackCancel->PutMessage(sErr, wxNOT_FOUND, enumGISMessageErr);
        return false;
    }

    return true;
}
Esempio n. 2
0
int TSXDataset::Identify( GDALOpenInfo *poOpenInfo )
{
    if (poOpenInfo->fpL == NULL || poOpenInfo->nHeaderBytes < 260)
    {
        if( poOpenInfo->bIsDirectory )
        {
            const CPLString osFilename =
                CPLFormCIFilename( poOpenInfo->pszFilename, CPLGetFilename( poOpenInfo->pszFilename ), "xml" );

            /* Check if the filename contains TSX1_SAR (TerraSAR-X) or TDX1_SAR (TanDEM-X) */
            if (!(STARTS_WITH_CI(CPLGetBasename( osFilename ), "TSX1_SAR") ||
                  STARTS_WITH_CI(CPLGetBasename( osFilename ), "TDX1_SAR")))
                return 0;

            VSIStatBufL sStat;
            if( VSIStatL( osFilename, &sStat ) == 0 )
                return 1;
        }

        return 0;
    }

    /* Check if the filename contains TSX1_SAR (TerraSAR-X) or TDX1_SAR (TanDEM-X) */
    if (!(STARTS_WITH_CI(CPLGetBasename( poOpenInfo->pszFilename ), "TSX1_SAR") ||
          STARTS_WITH_CI(CPLGetBasename( poOpenInfo->pszFilename ), "TDX1_SAR")))
        return 0;

    /* finally look for the <level1Product tag */
    if (!STARTS_WITH_CI(reinterpret_cast<char *>( poOpenInfo->pabyHeader ),
                        "<level1Product") )
        return 0;

    return 1;
}
Esempio n. 3
0
int CTGDataset::Identify( GDALOpenInfo * poOpenInfo )
{
    CPLString osFilename(poOpenInfo->pszFilename);

    GDALOpenInfo* poOpenInfoToDelete = NULL;
    /*  GZipped grid_cell.gz files are common, so automagically open them */
    /*  if the /vsigzip/ has not been explicitely passed */
    const char* pszFilename = CPLGetFilename(poOpenInfo->pszFilename);
    if ((EQUAL(pszFilename, "grid_cell.gz") ||
         EQUAL(pszFilename, "grid_cell1.gz") ||
         EQUAL(pszFilename, "grid_cell2.gz")) &&
        !EQUALN(poOpenInfo->pszFilename, "/vsigzip/", 9))
    {
        osFilename = "/vsigzip/";
        osFilename += poOpenInfo->pszFilename;
        poOpenInfo = poOpenInfoToDelete =
                new GDALOpenInfo(osFilename.c_str(), GA_ReadOnly,
                                 poOpenInfo->papszSiblingFiles);
    }

    if (poOpenInfo->nHeaderBytes < HEADER_LINE_COUNT * 80)
    {
        delete poOpenInfoToDelete;
        return FALSE;
    }

/* -------------------------------------------------------------------- */
/*      Chech that it looks roughly as a CTG dataset                    */
/* -------------------------------------------------------------------- */
    const char* pszData = (const char*)poOpenInfo->pabyHeader;
    int i;
    for(i=0;i<4 * 80;i++)
    {
        if (!((pszData[i] >= '0' && pszData[i] <= '9') ||
              pszData[i] == ' ' || pszData[i] == '-'))
        {
            delete poOpenInfoToDelete;
            return FALSE;
        }
    }

    char szField[11];
    int nRows = atoi(ExtractField(szField, pszData, 0, 10));
    int nCols = atoi(ExtractField(szField, pszData, 20, 10));
    int nMinColIndex = atoi(ExtractField(szField, pszData+80, 0, 5));
    int nMinRowIndex = atoi(ExtractField(szField, pszData+80, 5, 5));
    int nMaxColIndex = atoi(ExtractField(szField, pszData+80, 10, 5));
    int nMaxRowIndex = atoi(ExtractField(szField, pszData+80, 15, 5));

    if (nRows <= 0 || nCols <= 0 ||
        nMinColIndex != 1 || nMinRowIndex != 1 ||
        nMaxRowIndex != nRows || nMaxColIndex != nCols)
    {
        delete poOpenInfoToDelete;
        return FALSE;
    }

    delete poOpenInfoToDelete;
    return TRUE;
}
Esempio n. 4
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void OGRCSVDataSource::CreateForSingleFile( const char* pszDirname,
                                            const char *pszFilename )
{
    pszName = CPLStrdup( pszDirname );
    bUpdate = true;
    osDefaultCSVName = CPLGetFilename(pszFilename);
}
Esempio n. 5
0
int TSXDataset::Identify( GDALOpenInfo *poOpenInfo )
{
    if (poOpenInfo->fpL == NULL || poOpenInfo->nHeaderBytes < 260)
    {
        if( poOpenInfo->bIsDirectory )
        {
            CPLString osFilename =
                CPLFormCIFilename( poOpenInfo->pszFilename, CPLGetFilename( poOpenInfo->pszFilename ), "xml" );

            /* Check if the filename contains TSX1_SAR (TerraSAR-X) or TDX1_SAR (TanDEM-X) */
            if (!(EQUALN(CPLGetBasename( osFilename ), "TSX1_SAR", 8) ||
                  EQUALN(CPLGetBasename( osFilename ), "TDX1_SAR", 8)))
                return 0;

            VSIStatBufL sStat;
            if( VSIStatL( osFilename, &sStat ) == 0 )
                return 1;
        }

        return 0;
    }

    /* Check if the filename contains TSX1_SAR (TerraSAR-X) or TDX1_SAR (TanDEM-X) */
    if (!(EQUALN(CPLGetBasename( poOpenInfo->pszFilename ), "TSX1_SAR", 8) ||
          EQUALN(CPLGetBasename( poOpenInfo->pszFilename ), "TDX1_SAR", 8)))
        return 0;

    /* finally look for the <level1Product tag */
    if (!EQUALN((char *)poOpenInfo->pabyHeader, "<level1Product", 14))
        return 0;

    return 1;
}
Esempio n. 6
0
OGRErr OGRMILayerAttrIndex::SaveConfigToXML()

{
    if( nIndexCount == 0 )
        return OGRERR_NONE;

/* -------------------------------------------------------------------- */
/*      Create the XML tree corresponding to this layer.                */
/* -------------------------------------------------------------------- */
    CPLXMLNode *psRoot;

    psRoot = CPLCreateXMLNode( NULL, CXT_Element, "OGRMILayerAttrIndex" );

    CPLCreateXMLElementAndValue( psRoot, "MIIDFilename", 
                                 CPLGetFilename( pszMIINDFilename ) );
    
    for( int i = 0; i < nIndexCount; i++ )
    {
        OGRMIAttrIndex *poAI = papoIndexList[i];
        CPLXMLNode *psIndex;

        psIndex = CPLCreateXMLNode( psRoot, CXT_Element, "OGRMIAttrIndex" );

        CPLCreateXMLElementAndValue( psIndex, "FieldIndex", 
                                     CPLSPrintf( "%d", poAI->iField ) );
                                     
        CPLCreateXMLElementAndValue( psIndex, "FieldName", 
                                     poLayer->GetLayerDefn()->GetFieldDefn(poAI->iField)->GetNameRef() );

                                     
        CPLCreateXMLElementAndValue( psIndex, "IndexIndex", 
                                     CPLSPrintf( "%d", poAI->iIndex ) );
    }

/* -------------------------------------------------------------------- */
/*      Save it.                                                        */
/* -------------------------------------------------------------------- */
    char *pszRawXML = CPLSerializeXMLTree( psRoot );
    FILE *fp;

    CPLDestroyXMLNode( psRoot );

    fp = VSIFOpen( pszMetadataFilename, "wb" );
    if( fp == NULL )
    {
        CPLError( CE_Failure, CPLE_OpenFailed, 
                  "Failed to pen `%s' for write.", 
                  pszMetadataFilename );
        CPLFree( pszRawXML );
        return OGRERR_FAILURE;
    }

    VSIFWrite( pszRawXML, 1, strlen(pszRawXML), fp );
    VSIFClose( fp );

    CPLFree( pszRawXML );
    
    return OGRERR_NONE;
}
Esempio n. 7
0
int SRTMHGTDataset::Identify( GDALOpenInfo * poOpenInfo )

{
  const char* fileName = CPLGetFilename(poOpenInfo->pszFilename);
  if( strlen(fileName) < 11 || fileName[7] != '.' )
    return FALSE;
  CPLString osLCFilename(CPLString(fileName).tolower());
  if( (osLCFilename[0] != 'n' && osLCFilename[0] != 's') ||
      (osLCFilename[3] != 'e' && osLCFilename[3] != 'w') )
      return FALSE;
  if( !STARTS_WITH(fileName, "/vsizip/") &&
      osLCFilename.endsWith(".hgt.zip") )
  {
    CPLString osNewName("/vsizip/");
    osNewName += poOpenInfo->pszFilename;
    osNewName += "/";
    osNewName += CPLString(fileName).substr(0, 7);
    osNewName += ".hgt";
    GDALOpenInfo oOpenInfo(osNewName, GA_ReadOnly);
    return Identify(&oOpenInfo);
  }

  if( !STARTS_WITH(fileName, "/vsizip/") &&
      osLCFilename.endsWith(".srtmswbd.raw.zip") )
  {
    CPLString osNewName("/vsizip/");
    osNewName += poOpenInfo->pszFilename;
    osNewName += "/";
    osNewName += CPLString(fileName).substr(0, 7);
    osNewName += ".raw";
    GDALOpenInfo oOpenInfo(osNewName, GA_ReadOnly);
    return Identify(&oOpenInfo);
  }


  if( !osLCFilename.endsWith(".hgt") &&
      !osLCFilename.endsWith(".raw") &&
      !osLCFilename.endsWith(".hgt.gz") )
    return FALSE;

/* -------------------------------------------------------------------- */
/*      We check the file size to see if it is                          */
/*      SRTM1 (below or above lat 50) or SRTM 3                         */
/* -------------------------------------------------------------------- */
  VSIStatBufL fileStat;

  if(VSIStatL(poOpenInfo->pszFilename, &fileStat) != 0)
      return FALSE;
  if(fileStat.st_size != 3601 * 3601 &&
     fileStat.st_size != 3601 * 3601 * 2 &&
     fileStat.st_size != 1801 * 3601 * 2 &&
     fileStat.st_size != 1201 * 1201 * 2 )
      return FALSE;

  return TRUE;
}
Esempio n. 8
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int OGROpenFileGDBDataSource::FileExists(const char* pszFilename)
{
    if( m_papszFiles )
        return CSLFindString(m_papszFiles, CPLGetFilename(pszFilename)) >= 0;
    else
    {
        VSIStatBufL sStat;
        return VSIStatExL(pszFilename, &sStat, VSI_STAT_EXISTS_FLAG) == 0;
    }
}
Esempio n. 9
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/**
 * GDALMDReaderSpot()
 */
GDALMDReaderSpot::GDALMDReaderSpot(const char *pszPath,
        char **papszSiblingFiles) : GDALMDReaderPleiades(pszPath, papszSiblingFiles)
{
    const char* pszIMDSourceFilename;
    const char* pszDirName = CPLGetDirname(pszPath);

    if(m_osIMDSourceFilename.empty())
    {
        pszIMDSourceFilename = CPLFormFilename( pszDirName, "METADATA.DIM", NULL );

        if (CPLCheckForFile((char*)pszIMDSourceFilename, papszSiblingFiles))
        {
            m_osIMDSourceFilename = pszIMDSourceFilename;
        }
        else
        {
            pszIMDSourceFilename = CPLFormFilename( pszDirName, "metadata.dim", NULL );
            if (CPLCheckForFile((char*)pszIMDSourceFilename, papszSiblingFiles))
            {
                m_osIMDSourceFilename = pszIMDSourceFilename;
            }
        }
    }

    // if the file name ended on METADATA.DIM
    // Linux specific
    // example: R2_CAT_091028105025131_1\METADATA.DIM
    if(m_osIMDSourceFilename.empty())
    {
        if(EQUAL(CPLGetFilename(pszPath), "IMAGERY.TIF"))
        {
            pszIMDSourceFilename = CPLSPrintf( "%s\\METADATA.DIM",
                                                           CPLGetPath(pszPath));

            if (CPLCheckForFile((char*)pszIMDSourceFilename, papszSiblingFiles))
            {
                m_osIMDSourceFilename = pszIMDSourceFilename;
            }
            else
            {
                pszIMDSourceFilename = CPLSPrintf( "%s\\metadata.dim",
                                                           CPLGetPath(pszPath));
                if (CPLCheckForFile((char*)pszIMDSourceFilename, papszSiblingFiles))
                {
                    m_osIMDSourceFilename = pszIMDSourceFilename;
                }
            }
        }
    }

    if(m_osIMDSourceFilename.size())
        CPLDebug( "MDReaderSpot", "IMD Filename: %s",
              m_osIMDSourceFilename.c_str() );
}
Esempio n. 10
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int OGRXPlaneDataSource::Open( const char * pszFilename, int bReadWholeFile )

{
    Reset();

    this->bReadWholeFile = bReadWholeFile;

    const char* pszShortFilename = CPLGetFilename(pszFilename);
    if (EQUAL(pszShortFilename, "nav.dat") ||
        EQUAL(pszShortFilename, "earth_nav.dat"))
    {
        poReader = OGRXPlaneCreateNavFileReader(this);
    }
    else if (EQUAL(pszShortFilename, "apt.dat"))
    {
        poReader = OGRXPlaneCreateAptFileReader(this);
    }
    else if (EQUAL(pszShortFilename, "fix.dat") ||
             EQUAL(pszShortFilename, "earth_fix.dat"))
    {
        poReader = OGRXPlaneCreateFixFileReader(this);
    }
    else if (EQUAL(pszShortFilename, "awy.dat") ||
             EQUAL(pszShortFilename, "earth_awy.dat"))
    {
        poReader = OGRXPlaneCreateAwyFileReader(this);
    }

    int bRet;
    if (poReader && poReader->StartParsing(pszFilename) == FALSE)
    {
        delete poReader;
        poReader = NULL;
    }
    if (poReader)
    {
        pszName = CPLStrdup(pszFilename);

        if ( !bReadWholeFile )
        {
            for( int i = 0; i < nLayers; i++ )
                papoLayers[i]->SetReader(poReader->CloneForLayer(papoLayers[i]));
        }
        bRet = TRUE;
    }
    else
        bRet = FALSE;

    return bRet;
}
Esempio n. 11
0
CPLErr
GDALDefaultOverviews::BuildOverviewsSubDataset(
    const char * pszPhysicalFile,
    const char * pszResampling,
    int nOverviews, int * panOverviewList,
    int nBands, int * panBandList,
    GDALProgressFunc pfnProgress, void * pProgressData)

{
    if( osOvrFilename.length() == 0 && nOverviews > 0 )
    {
        VSIStatBufL sStatBuf;

        int iSequence = 0;  // Used after for.
        for( iSequence = 0; iSequence < 100; iSequence++ )
        {
            osOvrFilename.Printf( "%s_%d.ovr", pszPhysicalFile, iSequence );
            if( VSIStatExL( osOvrFilename, &sStatBuf,
                            VSI_STAT_EXISTS_FLAG ) != 0 )
            {
                CPLString osAdjustedOvrFilename;

                if( poDS->GetMOFlags() & GMO_PAM_CLASS )
                {
                    osAdjustedOvrFilename.Printf(
                        ":::BASE:::%s_%d.ovr",
                        CPLGetFilename(pszPhysicalFile),
                        iSequence );
                }
                else
                {
                    osAdjustedOvrFilename = osOvrFilename;
                }

                poDS->SetMetadataItem( "OVERVIEW_FILE",
                                       osAdjustedOvrFilename,
                                       "OVERVIEWS" );
                break;
            }
        }

        if( iSequence == 100 )
            osOvrFilename = "";
    }

    return BuildOverviews( NULL, pszResampling, nOverviews, panOverviewList,
                           nBands, panBandList, pfnProgress, pProgressData );
}
Esempio n. 12
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int SAFEDataset::Identify( GDALOpenInfo *poOpenInfo )
{
    /* Check for the case where we're trying to read the calibrated data: */
    if (STARTS_WITH_CI(poOpenInfo->pszFilename, "SENTINEL1_CALIB:")) {
        return TRUE;
    }

    /* Check for the case where we're trying to read the subdatasets: */
    if (STARTS_WITH_CI(poOpenInfo->pszFilename, "SENTINEL1_DS:")) {
        return TRUE;
    }

    /* Check for directory access when there is a manifest.safe file in the
       directory. */
    if( poOpenInfo->bIsDirectory )
    {
        VSIStatBufL sStat;

        CPLString osMDFilename =
            CPLFormCIFilename( poOpenInfo->pszFilename, "manifest.safe", nullptr );

        if( VSIStatL( osMDFilename, &sStat ) == 0 && VSI_ISREG(sStat.st_mode) )
        {
            GDALOpenInfo oOpenInfo( osMDFilename, GA_ReadOnly, nullptr );
            return Identify(&oOpenInfo);
        }

        return FALSE;
    }

    /* otherwise, do our normal stuff */
    if( !EQUAL(CPLGetFilename(poOpenInfo->pszFilename), "manifest.safe") )
        return FALSE;

    if( poOpenInfo->nHeaderBytes < 100 )
        return FALSE;

    if( strstr((const char *) poOpenInfo->pabyHeader, "<xfdu:XFDU" ) == nullptr)
        return FALSE;

    // This driver doesn't handle Sentinel-2 data
    if( strstr((const char *) poOpenInfo->pabyHeader, "sentinel-2" ) != nullptr)
        return FALSE;

    return TRUE;
}
Esempio n. 13
0
bool wxGISDataset::Move(const CPLString &szDestPath, ITrackCancel* const pTrackCancel)
{
	wxCriticalSectionLocker locker(m_CritSect);

    Close();

    char** papszFileList = GetFileList();
    papszFileList = CSLAddString( papszFileList, m_sPath );
    if(!papszFileList)    
    {
        if(pTrackCancel)
            pTrackCancel->PutMessage(_("No files to move"), wxNOT_FOUND, enumGISMessageErr);
        return false;
    }

    CPLString szFileName = CPLGetBasename(GetUniqPath(m_sPath, szDestPath, CPLGetBasename(m_sPath)));

    char** papszMovedFileList = NULL;

	for(int i = 0; papszFileList[i] != NULL; ++i )
    {
		CPLString szNewDestFileName(CPLFormFilename(szDestPath, szFileName, GetExtension(papszFileList[i], szFileName)));
        papszMovedFileList = CSLAddString(papszMovedFileList, szNewDestFileName);
        if(!MoveFile(szNewDestFileName, papszFileList[i], pTrackCancel))
		{
            // Try to put the ones we moved back.
            pTrackCancel->Reset();
            for( --i; i >= 0; i-- )
                MoveFile( papszFileList[i], papszMovedFileList[i]);

			CSLDestroy( papszFileList );
			CSLDestroy( papszMovedFileList );
            return false;
		}
    }

    m_sPath = CPLFormFilename(szDestPath, CPLGetFilename(m_sPath), NULL);

	CSLDestroy( papszFileList );
	CSLDestroy( papszMovedFileList );
    return true;
}
Esempio n. 14
0
int SRTMHGTDataset::Identify( GDALOpenInfo * poOpenInfo )

{
  const char* fileName = CPLGetFilename(poOpenInfo->pszFilename);
  if( strlen(fileName) < 11 || !EQUALN(&fileName[7], ".hgt", 4) )
    return FALSE;

/* -------------------------------------------------------------------- */
/*	We check the file size to see if it is 25,934,402 bytes	        */
/*	(SRTM 1) or 2,884,802 bytes (SRTM 3)				*/    
/* -------------------------------------------------------------------- */
  VSIStatBufL fileStat;

  if(VSIStatL(poOpenInfo->pszFilename, &fileStat) != 0)
      return FALSE;
  if(fileStat.st_size != 25934402 && fileStat.st_size != 2884802)
      return FALSE;

  return TRUE;
}
Esempio n. 15
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static GDALDataset *OGRTABDriverOpen( GDALOpenInfo* poOpenInfo )

{
    OGRTABDataSource    *poDS;

    if( OGRTABDriverIdentify(poOpenInfo) == FALSE )
    {
        return NULL;
    }

    if (EQUAL(CPLGetExtension(poOpenInfo->pszFilename), "MIF") ||
        EQUAL(CPLGetExtension(poOpenInfo->pszFilename), "MID") )
    {
        if( poOpenInfo->eAccess == GA_Update )
            return NULL;
    }

#ifdef DEBUG
    /* For AFL, so that .cur_input is detected as the archive filename */
    if( poOpenInfo->fpL != NULL &&
        !STARTS_WITH(poOpenInfo->pszFilename, "/vsitar/") &&
        EQUAL(CPLGetFilename(poOpenInfo->pszFilename), ".cur_input") )
    {
        GDALOpenInfo oOpenInfo( (CPLString("/vsitar/") + poOpenInfo->pszFilename).c_str(),
                                poOpenInfo->nOpenFlags );
        oOpenInfo.papszOpenOptions = poOpenInfo->papszOpenOptions;
        return OGRTABDriverOpen(&oOpenInfo);
    }
#endif

    poDS = new OGRTABDataSource();
    if( poDS->Open( poOpenInfo, TRUE ) )
        return poDS;
    else
    {
        delete poDS;
        return NULL;
    }
}
bool wxGxLocalDBFactory::GetChildren(wxGxObject* pParent, char** &pFileNames, wxArrayLong & pChildrenIds)
{
    wxGxCatalogBase* pCatalog = GetGxCatalog();
    bool bCheckNames = CSLCount(pFileNames) < CHECK_DUBLES_MAX_COUNT;
    for(int i = CSLCount(pFileNames) - 1; i >= 0; i-- )
    {
        VSIStatBufL BufL;
        int ret = VSIStatL(pFileNames[i], &BufL);
        if(ret == 0)
        {
            if (VSI_ISDIR(BufL.st_mode) && wxGISEQUAL(CPLGetExtension(pFileNames[i]), "gdb"))
            {
                wxGxObject* pObj = GetGxObject(pParent, wxString(CPLGetFilename(pFileNames[i]), wxConvUTF8), pFileNames[i], enumContGDBFolder, bCheckNames);
                if(pObj)
                    pChildrenIds.Add(pObj->GetId());
                pFileNames = CSLRemoveStrings( pFileNames, i, 1, NULL );
            }
            //TODO: mdb, sqlite, db extensions
        }
    }
    return true;
}
Esempio n. 17
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static int OGRTABDriverIdentify( GDALOpenInfo* poOpenInfo )

{
    /* Files not ending with .tab, .mif or .mid are not handled by this driver */
    if( !poOpenInfo->bStatOK )
        return FALSE;
    if( poOpenInfo->bIsDirectory )
        return -1; /* unsure */
    if( poOpenInfo->fpL == NULL )
        return FALSE;
    if (EQUAL(CPLGetExtension(poOpenInfo->pszFilename), "MIF") ||
        EQUAL(CPLGetExtension(poOpenInfo->pszFilename), "MID") )
    {
        return TRUE;
    }
    if (EQUAL(CPLGetExtension(poOpenInfo->pszFilename), "TAB") )
    {
        for( int i = 0; i < poOpenInfo->nHeaderBytes; i++)
        {
            const char* pszLine = (const char*)poOpenInfo->pabyHeader + i;
            if (STARTS_WITH_CI(pszLine, "Fields"))
                return TRUE;
            else if (STARTS_WITH_CI(pszLine, "create view"))
                return TRUE;
            else if (STARTS_WITH_CI(pszLine, "\"\\IsSeamless\" = \"TRUE\""))
                return TRUE;
        }
    }
#ifdef DEBUG
    /* For AFL, so that .cur_input is detected as the archive filename */
    if( !STARTS_WITH(poOpenInfo->pszFilename, "/vsitar/") &&
        EQUAL(CPLGetFilename(poOpenInfo->pszFilename), ".cur_input") )
    {
        return -1;
    }
#endif
    return FALSE;
}
Esempio n. 18
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static CPLString getRscFilename( GDALOpenInfo *poOpenInfo )
{
    CPLString osRscFilename;

    char **papszSiblingFiles = poOpenInfo->GetSiblingFiles();
    if ( papszSiblingFiles == NULL )
    {
        osRscFilename = CPLFormFilename( NULL, poOpenInfo->pszFilename,
                                        "rsc" );
        VSIStatBufL psRscStatBuf;
        if ( VSIStatL( osRscFilename, &psRscStatBuf ) != 0 )
        {
            osRscFilename = "";
        }
    }
    else
    {
        /* ------------------------------------------------------------ */
        /*      We need to tear apart the filename to form a .rsc       */
        /*      filename.                                               */
        /* ------------------------------------------------------------ */
        CPLString osPath = CPLGetPath( poOpenInfo->pszFilename );
        CPLString osName = CPLGetFilename( poOpenInfo->pszFilename );

        int iFile = CSLFindString( papszSiblingFiles,
                                   CPLFormFilename( NULL, osName, "rsc" ) );
        if( iFile >= 0 )
        {
            osRscFilename = CPLFormFilename( osPath,
                                             papszSiblingFiles[iFile],
                                             NULL );
        }
    }

    return osRscFilename;
}
Esempio n. 19
0
int OGRCSVDataSource::Open( const char * pszFilename, int bUpdateIn,
                            int bForceOpen, char** papszOpenOptions )

{
    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, papszOpenOptions, "ARP");
        }
        else if (EQUAL(CPLGetFilename(osFilename), "NfdcRunways.xls"))
        {
            OpenTable( osFilename, papszOpenOptions, "BaseEndPhysical");
            OpenTable( osFilename, papszOpenOptions, "BaseEndDisplaced");
            OpenTable( osFilename, papszOpenOptions, "ReciprocalEndPhysical");
            OpenTable( osFilename, papszOpenOptions, "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, papszOpenOptions, NULL, "PRIMARY");
            }
            else if (EQUALN(osBaseFilename, "GOVT_UNITS_", 11) ||
                     EQUALN(osBaseFilename, "Feature_Description_History_", 28))
            {
                OpenTable( osFilename, papszOpenOptions, NULL, "");
            }
            else
            {
                OpenTable( osFilename, papszOpenOptions, NULL, "PRIM");
                OpenTable( osFilename, papszOpenOptions, NULL, "SOURCE");
            }
            return nLayers != 0;
        }

        return OpenTable( osFilename, papszOpenOptions );
    }

/* -------------------------------------------------------------------- */
/*      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, papszOpenOptions );
    }

/* -------------------------------------------------------------------- */
/*      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, papszOpenOptions ) )
            {
                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, papszOpenOptions, NULL, "PRIM");
            bRet |= OpenTable( oSubFilename, papszOpenOptions, 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, papszOpenOptions, 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;
}
Esempio n. 20
0
GDALDataset *PAuxDataset::Open( GDALOpenInfo * poOpenInfo )

{
    if( poOpenInfo->nHeaderBytes < 1 )
        return NULL;

/* -------------------------------------------------------------------- */
/*      If this is an .aux file, fetch out and form the name of the     */
/*      file it references.                                             */
/* -------------------------------------------------------------------- */

    CPLString osTarget = poOpenInfo->pszFilename;

    if( EQUAL(CPLGetExtension( poOpenInfo->pszFilename ),"aux")
        && STARTS_WITH_CI((const char *) poOpenInfo->pabyHeader, "AuxilaryTarget: "))
    {
        char szAuxTarget[1024];
        const char *pszSrc = reinterpret_cast<const char *>(
            poOpenInfo->pabyHeader+16 );

        int i = 0;
        for( ;
             pszSrc[i] != 10 && pszSrc[i] != 13 && pszSrc[i] != '\0'
                 && i < static_cast<int>( sizeof(szAuxTarget) ) - 1;
             i++ )
        {
            szAuxTarget[i] = pszSrc[i];
        }
        szAuxTarget[i] = '\0';

        char *pszPath = CPLStrdup(CPLGetPath(poOpenInfo->pszFilename));
        osTarget = CPLFormFilename(pszPath, szAuxTarget, NULL);
        CPLFree(pszPath);
    }

/* -------------------------------------------------------------------- */
/*      Now we need to tear apart the filename to form a .aux           */
/*      filename.                                                       */
/* -------------------------------------------------------------------- */
    CPLString osAuxFilename = CPLResetExtension(osTarget,"aux");

/* -------------------------------------------------------------------- */
/*      Do we have a .aux file?                                         */
/* -------------------------------------------------------------------- */
    char** papszSiblingFiles = poOpenInfo->GetSiblingFiles();
    if( papszSiblingFiles != NULL
        && CSLFindString( papszSiblingFiles,
                          CPLGetFilename(osAuxFilename) ) == -1 )
    {
        return NULL;
    }

    VSILFILE *fp = VSIFOpenL( osAuxFilename, "r" );
    if( fp == NULL )
    {
        osAuxFilename = CPLResetExtension(osTarget,"AUX");
        fp = VSIFOpenL( osAuxFilename, "r" );
    }

    if( fp == NULL )
        return NULL;

/* -------------------------------------------------------------------- */
/*      Is this file a PCI .aux file?  Check the first line for the     */
/*      telltale AuxilaryTarget keyword.                                */
/*                                                                      */
/*      At this point we should be verifying that it refers to our      */
/*      binary file, but that is a pretty involved test.                */
/* -------------------------------------------------------------------- */
    const char *pszLine = CPLReadLineL( fp );

    CPL_IGNORE_RET_VAL(VSIFCloseL( fp ));

    if( pszLine == NULL
        || (!STARTS_WITH_CI(pszLine, "AuxilaryTarget")
            && !STARTS_WITH_CI(pszLine, "AuxiliaryTarget")) )
    {
        return NULL;
    }

/* -------------------------------------------------------------------- */
/*      Create a corresponding GDALDataset.                             */
/* -------------------------------------------------------------------- */
    PAuxDataset *poDS = new PAuxDataset();

/* -------------------------------------------------------------------- */
/*      Load the .aux file into a string list suitable to be            */
/*      searched with CSLFetchNameValue().                              */
/* -------------------------------------------------------------------- */
    poDS->papszAuxLines = CSLLoad( osAuxFilename );
    poDS->pszAuxFilename = CPLStrdup(osAuxFilename);

/* -------------------------------------------------------------------- */
/*      Find the RawDefinition line to establish overall parameters.    */
/* -------------------------------------------------------------------- */
    pszLine = CSLFetchNameValue(poDS->papszAuxLines, "RawDefinition");

    // It seems PCI now writes out .aux files without RawDefinition in
    // some cases.  See bug 947.
    if( pszLine == NULL )
    {
        delete poDS;
        return NULL;
    }

    char **papszTokens = CSLTokenizeString(pszLine);

    if( CSLCount(papszTokens) < 3 )
    {
        CPLError( CE_Failure, CPLE_AppDefined,
                  "RawDefinition missing or corrupt in %s.",
                  poOpenInfo->pszFilename );
        delete poDS;
        CSLDestroy( papszTokens );
        return NULL;
    }

    poDS->nRasterXSize = atoi(papszTokens[0]);
    poDS->nRasterYSize = atoi(papszTokens[1]);
    poDS->nBands = atoi(papszTokens[2]);
    poDS->eAccess = poOpenInfo->eAccess;

    CSLDestroy( papszTokens );

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

/* -------------------------------------------------------------------- */
/*      Open the file.                                                  */
/* -------------------------------------------------------------------- */
    if( poOpenInfo->eAccess == GA_Update )
    {
        poDS->fpImage = VSIFOpenL( osTarget, "rb+" );

        if( poDS->fpImage == NULL )
        {
            CPLError( CE_Failure, CPLE_OpenFailed,
                      "File %s is missing or read-only, check permissions.",
                      osTarget.c_str() );
            delete poDS;
            return NULL;
        }
    }
    else
    {
        poDS->fpImage = VSIFOpenL( osTarget, "rb" );

        if( poDS->fpImage == NULL )
        {
            CPLError( CE_Failure, CPLE_OpenFailed,
                      "File %s is missing or unreadable.",
                      osTarget.c_str() );
            delete poDS;
            return NULL;
        }
    }

/* -------------------------------------------------------------------- */
/*      Collect raw definitions of each channel and create              */
/*      corresponding bands.                                            */
/* -------------------------------------------------------------------- */
    int iBand = 0;
    for( int i = 0; i < poDS->nBands; i++ )
    {
        char szDefnName[32];
        snprintf( szDefnName, sizeof(szDefnName), "ChanDefinition-%d", i+1 );

        pszLine = CSLFetchNameValue(poDS->papszAuxLines, szDefnName);
        if (pszLine == NULL)
        {
            continue;
        }

        papszTokens = CSLTokenizeString(pszLine);
        if( CSLCount(papszTokens) < 4 )
        {
            // Skip the band with broken description
            CSLDestroy( papszTokens );
            continue;
        }

        GDALDataType eType;
        if( EQUAL(papszTokens[0],"16U") )
            eType = GDT_UInt16;
        else if( EQUAL(papszTokens[0],"16S") )
            eType = GDT_Int16;
        else if( EQUAL(papszTokens[0],"32R") )
            eType = GDT_Float32;
        else
            eType = GDT_Byte;

        int bNative = TRUE;
        if( CSLCount(papszTokens) > 4 )
        {
#ifdef CPL_LSB
            bNative = EQUAL(papszTokens[4],"Swapped");
#else
            bNative = EQUAL(papszTokens[4],"Unswapped");
#endif
        }

        const vsi_l_offset nBandOffset = CPLScanUIntBig(papszTokens[1],
                                               static_cast<int>(strlen(papszTokens[1])));
        const int nPixelOffset = atoi(papszTokens[2]);
        const int nLineOffset = atoi(papszTokens[3]);

        if (nPixelOffset <= 0 || nLineOffset <= 0)
        {
            // Skip the band with broken offsets
            CSLDestroy( papszTokens );
            continue;
        }

        poDS->SetBand( iBand+1,
            new PAuxRasterBand( poDS, iBand+1, poDS->fpImage,
                                nBandOffset,
                                nPixelOffset,
                                nLineOffset, eType, bNative ) );
        iBand++;

        CSLDestroy( papszTokens );
    }

    poDS->nBands = iBand;

/* -------------------------------------------------------------------- */
/*      Get the projection.                                             */
/* -------------------------------------------------------------------- */
    const char *pszMapUnits = CSLFetchNameValue( poDS->papszAuxLines, "MapUnits" );
    const char *pszProjParms = CSLFetchNameValue( poDS->papszAuxLines, "ProjParms" );

    if( pszMapUnits != NULL )
        poDS->pszProjection = poDS->PCI2WKT( pszMapUnits, pszProjParms );

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

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

    poDS->ScanForGCPs();
    poDS->bAuxUpdated = FALSE;

    return( poDS );
}
Esempio n. 21
0
int OGRSelafinDataSource::Open(const char * pszFilename, int bUpdateIn, int bCreate) {
    // Check if a range is set and extract it and the filename
    const char *pszc=pszFilename;
    if (*pszFilename==0) return FALSE;
    while (*pszc) ++pszc;
    if (*(pszc-1)==']') {
        --pszc;
        while (pszc!=pszFilename && *pszc!='[') pszc--;
        if (pszc==pszFilename) return FALSE;
        poRange.setRange(pszc);
    }
    pszName = CPLStrdup( pszFilename );
    pszName[pszc-pszFilename]=0;
    bUpdate = bUpdateIn;
    if (bCreate && EQUAL(pszName, "/vsistdout/")) return TRUE;
    /* For writable /vsizip/, do nothing more */
    if (bCreate && STARTS_WITH(pszName, "/vsizip/")) return TRUE;
    CPLString osFilename(pszName);
    CPLString osBaseFilename = CPLGetFilename(pszName);
    // Determine what sort of object this is.
    VSIStatBufL sStatBuf;
    if (VSIStatExL( osFilename, &sStatBuf, VSI_STAT_NATURE_FLAG ) != 0) return FALSE;

    // Is this a single Selafin file?
    if (VSI_ISREG(sStatBuf.st_mode)) return OpenTable( pszName );

    // Is this a single a ZIP file with only a Selafin file inside ?
    if( STARTS_WITH(osFilename, "/vsizip/") && VSI_ISREG(sStatBuf.st_mode) ) {
        char** papszFiles = VSIReadDir(osFilename);
        if (CSLCount(papszFiles) != 1) {
            CSLDestroy(papszFiles);
            return FALSE;
        }
        osFilename = CPLFormFilename(osFilename, papszFiles[0], NULL);
        CSLDestroy(papszFiles);
        return OpenTable( osFilename );
    }

#ifdef notdef
    // Otherwise it has to be a directory.
    if( !VSI_ISDIR(sStatBuf.st_mode) ) return FALSE;

    // Scan through for entries which look like Selafin files
    int nNotSelafinCount = 0, i;
    char **papszNames = VSIReadDir( 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( VSIStatL( oSubFilename, &sStatBuf ) != 0 || !VSI_ISREG(sStatBuf.st_mode) ) {
            nNotSelafinCount++;
            continue;
        }
        if( !OpenTable( oSubFilename ) ) {
            CPLDebug("Selafin", "Cannot open %s", oSubFilename.c_str());
            nNotSelafinCount++;
            continue;
        }
    }
    CSLDestroy( papszNames );

    // We presume that this is indeed intended to be a Selafin datasource if over half the files were Selafin files.
    return nNotSelafinCount < nLayers;
#else
    return FALSE;
#endif
}
Esempio n. 22
0
GDALDataset *DTEDDataset::Open( GDALOpenInfo * poOpenInfo )

{
    int         i;
    DTEDInfo    *psDTED;

    if (!Identify(poOpenInfo) || poOpenInfo->fpL == NULL )
        return NULL;

/* -------------------------------------------------------------------- */
/*      Try opening the dataset.                                        */
/* -------------------------------------------------------------------- */
    VSILFILE* fp = poOpenInfo->fpL;
    poOpenInfo->fpL = NULL;
    psDTED = DTEDOpenEx( fp, poOpenInfo->pszFilename, 
                         (poOpenInfo->eAccess == GA_Update) ? "rb+" : "rb", TRUE );

    if( psDTED == NULL )
        return( NULL );

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

    poDS = new DTEDDataset();
    poDS->SetFileName(poOpenInfo->pszFilename);

    poDS->eAccess = poOpenInfo->eAccess;
    poDS->psDTED = psDTED;

/* -------------------------------------------------------------------- */
/*      Capture some information from the file that is of interest.     */
/* -------------------------------------------------------------------- */
    poDS->nRasterXSize = psDTED->nXSize;
    poDS->nRasterYSize = psDTED->nYSize;
    
    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 DTEDRasterBand( poDS, i+1 ) );

/* -------------------------------------------------------------------- */
/*      Collect any metadata available.                                 */
/* -------------------------------------------------------------------- */
    char *pszValue;

    pszValue = DTEDGetMetadata( psDTED, DTEDMD_VERTACCURACY_UHL );
    poDS->SetMetadataItem( "DTED_VerticalAccuracy_UHL", pszValue );
    CPLFree( pszValue );

    pszValue = DTEDGetMetadata( psDTED, DTEDMD_VERTACCURACY_ACC );
    poDS->SetMetadataItem( "DTED_VerticalAccuracy_ACC", pszValue );
    CPLFree( pszValue );

    pszValue = DTEDGetMetadata( psDTED, DTEDMD_SECURITYCODE_UHL );
    poDS->SetMetadataItem( "DTED_SecurityCode_UHL", pszValue );
    CPLFree( pszValue );

    pszValue = DTEDGetMetadata( psDTED, DTEDMD_SECURITYCODE_DSI );
    poDS->SetMetadataItem( "DTED_SecurityCode_DSI", pszValue );
    CPLFree( pszValue );

    pszValue = DTEDGetMetadata( psDTED, DTEDMD_UNIQUEREF_UHL );
    poDS->SetMetadataItem( "DTED_UniqueRef_UHL", pszValue );
    CPLFree( pszValue );

    pszValue = DTEDGetMetadata( psDTED, DTEDMD_UNIQUEREF_DSI );
    poDS->SetMetadataItem( "DTED_UniqueRef_DSI", pszValue );
    CPLFree( pszValue );

    pszValue = DTEDGetMetadata( psDTED, DTEDMD_DATA_EDITION );
    poDS->SetMetadataItem( "DTED_DataEdition", pszValue );
    CPLFree( pszValue );

    pszValue = DTEDGetMetadata( psDTED, DTEDMD_MATCHMERGE_VERSION );
    poDS->SetMetadataItem( "DTED_MatchMergeVersion", pszValue );
    CPLFree( pszValue );

    pszValue = DTEDGetMetadata( psDTED, DTEDMD_MAINT_DATE );
    poDS->SetMetadataItem( "DTED_MaintenanceDate", pszValue );
    CPLFree( pszValue );

    pszValue = DTEDGetMetadata( psDTED, DTEDMD_MATCHMERGE_DATE );
    poDS->SetMetadataItem( "DTED_MatchMergeDate", pszValue );
    CPLFree( pszValue );

    pszValue = DTEDGetMetadata( psDTED, DTEDMD_MAINT_DESCRIPTION );
    poDS->SetMetadataItem( "DTED_MaintenanceDescription", pszValue );
    CPLFree( pszValue );

    pszValue = DTEDGetMetadata( psDTED, DTEDMD_PRODUCER );
    poDS->SetMetadataItem( "DTED_Producer", pszValue );
    CPLFree( pszValue );

    pszValue = DTEDGetMetadata( psDTED, DTEDMD_VERTDATUM );
    poDS->SetMetadataItem( "DTED_VerticalDatum", pszValue );
    CPLFree( pszValue );

    pszValue = DTEDGetMetadata( psDTED, DTEDMD_HORIZDATUM );
    poDS->SetMetadataItem( "DTED_HorizontalDatum", pszValue );
    CPLFree( pszValue );

    pszValue = DTEDGetMetadata( psDTED, DTEDMD_DIGITIZING_SYS );
    poDS->SetMetadataItem( "DTED_DigitizingSystem", pszValue );
    CPLFree( pszValue );

    pszValue = DTEDGetMetadata( psDTED, DTEDMD_COMPILATION_DATE );
    poDS->SetMetadataItem( "DTED_CompilationDate", pszValue );
    CPLFree( pszValue );

    pszValue = DTEDGetMetadata( psDTED, DTEDMD_HORIZACCURACY );
    poDS->SetMetadataItem( "DTED_HorizontalAccuracy", pszValue );
    CPLFree( pszValue );

    pszValue = DTEDGetMetadata( psDTED, DTEDMD_REL_HORIZACCURACY );
    poDS->SetMetadataItem( "DTED_RelHorizontalAccuracy", pszValue );
    CPLFree( pszValue );

    pszValue = DTEDGetMetadata( psDTED, DTEDMD_REL_VERTACCURACY );
    poDS->SetMetadataItem( "DTED_RelVerticalAccuracy", pszValue );
    CPLFree( pszValue );
    
    pszValue = DTEDGetMetadata( psDTED, DTEDMD_ORIGINLAT );
    poDS->SetMetadataItem( "DTED_OriginLatitude", pszValue );
    CPLFree( pszValue );
    
    pszValue = DTEDGetMetadata( psDTED, DTEDMD_ORIGINLONG );
    poDS->SetMetadataItem( "DTED_OriginLongitude", pszValue );
    CPLFree( pszValue );
    
    pszValue = DTEDGetMetadata( psDTED, DTEDMD_NIMA_DESIGNATOR ); 
    poDS->SetMetadataItem( "DTED_NimaDesignator", pszValue ); 
    CPLFree( pszValue );

    pszValue = DTEDGetMetadata( psDTED, DTEDMD_PARTIALCELL_DSI );
    poDS->SetMetadataItem( "DTED_PartialCellIndicator", pszValue );
    CPLFree( pszValue );

    poDS->SetMetadataItem( GDALMD_AREA_OR_POINT, GDALMD_AOP_POINT );

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

    // if no SR in xml, try aux
    const char* pszPrj = poDS->GDALPamDataset::GetProjectionRef();
    if( !pszPrj || strlen(pszPrj) == 0 )
    {
        int bTryAux = TRUE;
        if( poOpenInfo->GetSiblingFiles() != NULL &&
            CSLFindString(poOpenInfo->GetSiblingFiles(), CPLResetExtension(CPLGetFilename(poOpenInfo->pszFilename), "aux")) < 0 &&
            CSLFindString(poOpenInfo->GetSiblingFiles(), CPLSPrintf("%s.aux", CPLGetFilename(poOpenInfo->pszFilename))) < 0 )
            bTryAux = FALSE;
        if( bTryAux )
        {
            GDALDataset* poAuxDS = GDALFindAssociatedAuxFile( poOpenInfo->pszFilename, GA_ReadOnly, poDS );
            if( poAuxDS )
            {
                pszPrj = poAuxDS->GetProjectionRef();
                if( pszPrj && strlen(pszPrj) > 0 )
                {
                    CPLFree( poDS->pszProjection );
                    poDS->pszProjection = CPLStrdup(pszPrj);
                }

                GDALClose( poAuxDS );
            }
        }
    }

/* -------------------------------------------------------------------- */
/*      Support overviews.                                              */
/* -------------------------------------------------------------------- */
    poDS->oOvManager.Initialize( poDS, poOpenInfo->pszFilename,
                                 poOpenInfo->GetSiblingFiles() );
    return( poDS );
}
Esempio n. 23
0
CPLErr HFAAuxBuildOverviews( const char *pszOvrFilename,
                             GDALDataset *poParentDS,
                             GDALDataset **ppoODS,
                             int nBands, int *panBandList,
                             int nNewOverviews, int *panNewOverviewList,
                             const char *pszResampling,
                             GDALProgressFunc pfnProgress,
                             void *pProgressData )

{
/* ==================================================================== */
/*      If the .aux file doesn't exist yet then create it now.          */
/* ==================================================================== */
    if( *ppoODS == NULL )
    {
        GDALDataType eDT = GDT_Unknown;
/* -------------------------------------------------------------------- */
/*      Determine the band datatype, and verify that all bands are      */
/*      the same.                                                       */
/* -------------------------------------------------------------------- */
        int iBand;

        for( iBand = 0; iBand < nBands; iBand++ )
        {
            GDALRasterBand *poBand =
                poParentDS->GetRasterBand( panBandList[iBand] );

            if( iBand == 0 )
                eDT = poBand->GetRasterDataType();
            else
            {
                if( eDT != poBand->GetRasterDataType() )
                {
                    CPLError( CE_Failure, CPLE_NotSupported,
                              "HFAAuxBuildOverviews() doesn't support a mixture of band"
                              " data types." );
                    return CE_Failure;
                }
            }
        }

/* -------------------------------------------------------------------- */
/*      Create the HFA (.aux) file.  We create it with                  */
/*      COMPRESSED=YES so that no space will be allocated for the       */
/*      base band.                                                      */
/* -------------------------------------------------------------------- */
        GDALDriver *poHFADriver = (GDALDriver *) GDALGetDriverByName("HFA");
        if (poHFADriver == NULL)
        {
            CPLError( CE_Failure, CPLE_AppDefined,
                      "HFA driver is unavailable." );
            return CE_Failure;
        }

        const char *apszOptions[4] = { "COMPRESSED=YES", "AUX=YES",
                                       NULL, NULL };

        CPLString osDepFileOpt = "DEPENDENT_FILE=";
        osDepFileOpt += CPLGetFilename(poParentDS->GetDescription());
        apszOptions[2] = osDepFileOpt.c_str();

        *ppoODS =
            poHFADriver->Create( pszOvrFilename,
                                 poParentDS->GetRasterXSize(),
                                 poParentDS->GetRasterYSize(),
                                 poParentDS->GetRasterCount(), eDT, (char **)apszOptions );

        if( *ppoODS == NULL )
            return CE_Failure;
    }

/* ==================================================================== */
/*      Create the layers.  We depend on the normal buildoverviews      */
/*      support for HFA to do this.  But we disable the internal        */
/*      computation of the imagery for these layers.                    */
/*                                                                      */
/*      We avoid regenerating the new layers here, because if we did    */
/*      it would use the base layer from the .aux file as the source    */
/*      data, and that is fake (all invalid tiles).                     */
/* ==================================================================== */
    CPLString oAdjustedResampling = "NO_REGEN:";
    oAdjustedResampling += pszResampling;

    CPLErr eErr =
        (*ppoODS)->BuildOverviews( oAdjustedResampling,
                                   nNewOverviews, panNewOverviewList,
                                   nBands, panBandList,
                                   pfnProgress, pProgressData );

    return eErr;
}
Esempio n. 24
0
void GDALPamProxyDB::SaveDB()

{
/* -------------------------------------------------------------------- */
/*      Open the database relating original names to proxy .aux.xml     */
/*      file names.                                                     */
/* -------------------------------------------------------------------- */
    CPLString osDBName = 
        CPLFormFilename( osProxyDBDir, "gdal_pam_proxy", "dat" );
    
    void *hLock = CPLLockFile( osDBName, 1.0 );

    // proceed even if lock fails - we need CPLBreakLockFile()!
    if( hLock == NULL )
    {
        CPLError( CE_Warning, CPLE_AppDefined,
                  "GDALPamProxyDB::SaveDB() - Failed to lock %s file, proceeding anyways.",
                  osDBName.c_str() );
    }

    FILE *fpDB = VSIFOpenL( osDBName, "w" );
    if( fpDB == NULL )
    {
        if( hLock )
            CPLUnlockFile( hLock );
        CPLError( CE_Failure, CPLE_AppDefined,
                  "Failed to save %s Pam Proxy DB.\n%s", 
                  osDBName.c_str(), 
                  VSIStrerror( errno ) );
        return;
    }

/* -------------------------------------------------------------------- */
/*      Write header.                                                   */
/* -------------------------------------------------------------------- */
    GByte  abyHeader[100];

    memset( abyHeader, ' ', sizeof(abyHeader) );
    strncpy( (char *) abyHeader, "GDAL_PROXY", 10 );
    sprintf( (char *) abyHeader + 10, "%9d", nUpdateCounter );

    VSIFWriteL( abyHeader, 1, 100, fpDB );

/* -------------------------------------------------------------------- */
/*      Write names.                                                    */
/* -------------------------------------------------------------------- */
    unsigned int i;

    for( i = 0; i < aosOriginalFiles.size(); i++ )
    {
        size_t nBytesWritten;
        const char *pszProxyFile;

        VSIFWriteL( aosOriginalFiles[i].c_str(), 1, 
                    strlen(aosOriginalFiles[i].c_str())+1, fpDB );

        pszProxyFile = CPLGetFilename(aosProxyFiles[i]);
        nBytesWritten = VSIFWriteL( pszProxyFile, 1, 
                                    strlen(pszProxyFile)+1, fpDB );

        if( nBytesWritten != strlen(pszProxyFile)+1 )
        {
            CPLError( CE_Failure, CPLE_AppDefined, 
                      "Failed to write complete %s Pam Proxy DB.\n%s",
                      osDBName.c_str(), 
                      VSIStrerror( errno ) );
            VSIFCloseL( fpDB );
            VSIUnlink( osDBName );
            return;
        }
    }

    VSIFCloseL( fpDB );

    if( hLock )
        CPLUnlockFile( hLock );
}
Esempio n. 25
0
GDALDataset *TSXDataset::Open( GDALOpenInfo *poOpenInfo ) {
/* -------------------------------------------------------------------- */
/*      Is this a TerraSAR-X product file?                              */
/* -------------------------------------------------------------------- */
    if (!TSXDataset::Identify( poOpenInfo ))
    {
        return NULL; /* nope */
    }

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

    CPLString osFilename;

    if( poOpenInfo->bIsDirectory )
    {
        osFilename =
            CPLFormCIFilename( poOpenInfo->pszFilename,
                               CPLGetFilename( poOpenInfo->pszFilename ),
                               "xml" );
    }
    else
        osFilename = poOpenInfo->pszFilename;

    /* Ingest the XML */
    CPLXMLNode *psData = CPLParseXMLFile( osFilename );
    if (psData == NULL)
        return NULL;

    /* find the product components */
    CPLXMLNode *psComponents
        = CPLGetXMLNode( psData, "=level1Product.productComponents" );
    if (psComponents == NULL) {
        CPLError( CE_Failure, CPLE_OpenFailed,
            "Unable to find <productComponents> tag in file.\n" );
        CPLDestroyXMLNode(psData);
        return NULL;
    }

    /* find the product info tag */
    CPLXMLNode *psProductInfo
        = CPLGetXMLNode( psData, "=level1Product.productInfo" );
    if (psProductInfo == NULL) {
        CPLError( CE_Failure, CPLE_OpenFailed,
            "Unable to find <productInfo> tag in file.\n" );
        CPLDestroyXMLNode(psData);
        return NULL;
    }

/* -------------------------------------------------------------------- */
/*      Create the dataset.                                             */
/* -------------------------------------------------------------------- */

    TSXDataset *poDS = new TSXDataset();

/* -------------------------------------------------------------------- */
/*      Read in product info.                                           */
/* -------------------------------------------------------------------- */

    poDS->SetMetadataItem( "SCENE_CENTRE_TIME", CPLGetXMLValue( psProductInfo,
        "sceneInfo.sceneCenterCoord.azimuthTimeUTC", "unknown" ) );
    poDS->SetMetadataItem( "OPERATIONAL_MODE", CPLGetXMLValue( psProductInfo,
        "generationInfo.groundOperationsType", "unknown" ) );
    poDS->SetMetadataItem( "ORBIT_CYCLE", CPLGetXMLValue( psProductInfo,
        "missionInfo.orbitCycle", "unknown" ) );
    poDS->SetMetadataItem( "ABSOLUTE_ORBIT", CPLGetXMLValue( psProductInfo,
        "missionInfo.absOrbit", "unknown" ) );
    poDS->SetMetadataItem( "ORBIT_DIRECTION", CPLGetXMLValue( psProductInfo,
        "missionInfo.orbitDirection", "unknown" ) );
    poDS->SetMetadataItem( "IMAGING_MODE", CPLGetXMLValue( psProductInfo,
        "acquisitionInfo.imagingMode", "unknown" ) );
    poDS->SetMetadataItem( "PRODUCT_VARIANT", CPLGetXMLValue( psProductInfo,
        "productVariantInfo.productVariant", "unknown" ) );
    char *pszDataType = CPLStrdup( CPLGetXMLValue( psProductInfo,
        "imageDataInfo.imageDataType", "unknown" ) );
    poDS->SetMetadataItem( "IMAGE_TYPE", pszDataType );

    /* Get raster information */
    int nRows = atoi( CPLGetXMLValue( psProductInfo,
        "imageDataInfo.imageRaster.numberOfRows", "" ) );
    int nCols = atoi( CPLGetXMLValue( psProductInfo,
        "imageDataInfo.imageRaster.numberOfColumns", "" ) );

    poDS->nRasterXSize = nCols;
    poDS->nRasterYSize = nRows;

    poDS->SetMetadataItem( "ROW_SPACING", CPLGetXMLValue( psProductInfo,
        "imageDataInfo.imageRaster.rowSpacing", "unknown" ) );
    poDS->SetMetadataItem( "COL_SPACING", CPLGetXMLValue( psProductInfo,
        "imageDataInfo.imageRaster.columnSpacing", "unknown" ) );
    poDS->SetMetadataItem( "COL_SPACING_UNITS", CPLGetXMLValue( psProductInfo,
        "imageDataInfo.imageRaster.columnSpacing.units", "unknown" ) );

    /* Get equivalent number of looks */
    poDS->SetMetadataItem( "AZIMUTH_LOOKS", CPLGetXMLValue( psProductInfo,
        "imageDataInfo.imageRaster.azimuthLooks", "unknown" ) );
    poDS->SetMetadataItem( "RANGE_LOOKS", CPLGetXMLValue( psProductInfo,
        "imageDataInfo.imageRaster.rangeLooks", "unknown" ) );

    const char *pszProductVariant = CPLGetXMLValue( psProductInfo,
        "productVariantInfo.productVariant", "unknown" );

    poDS->SetMetadataItem( "PRODUCT_VARIANT", pszProductVariant );

    /* Determine what product variant this is */
    if (STARTS_WITH_CI(pszProductVariant, "SSC"))
        poDS->nProduct = eSSC;
    else if (STARTS_WITH_CI(pszProductVariant, "MGD"))
        poDS->nProduct = eMGD;
    else if (STARTS_WITH_CI(pszProductVariant, "EEC"))
        poDS->nProduct = eEEC;
    else if (STARTS_WITH_CI(pszProductVariant, "GEC"))
        poDS->nProduct = eGEC;
    else
        poDS->nProduct = eUnknown;

    /* Start reading in the product components */
    char *pszGeorefFile = NULL;
    CPLErr geoTransformErr=CE_Failure;
    for ( CPLXMLNode *psComponent = psComponents->psChild;
          psComponent != NULL;
          psComponent = psComponent->psNext)
    {
        const char *pszType = NULL;
        const char *pszPath = CPLFormFilename(
                CPLGetDirname( osFilename ),
                GetFilePath(psComponent, &pszType),
                "" );
        const char *pszPolLayer = CPLGetXMLValue(psComponent, "polLayer", " ");

        if ( !STARTS_WITH_CI(pszType, " ") ) {
            if (STARTS_WITH_CI(pszType, "MAPPING_GRID") ) {
                /* the mapping grid... save as a metadata item this path */
                poDS->SetMetadataItem( "MAPPING_GRID", pszPath );
            }
            else if (STARTS_WITH_CI(pszType, "GEOREF")) {
                /* save the path to the georef data for later use */
                CPLFree( pszGeorefFile );
                pszGeorefFile = CPLStrdup( pszPath );
            }
        }
        else if( !STARTS_WITH_CI(pszPolLayer, " ") &&
            STARTS_WITH_CI(psComponent->pszValue, "imageData") ) {
            /* determine the polarization of this band */
            ePolarization ePol;
            if ( STARTS_WITH_CI(pszPolLayer, "HH") ) {
                ePol = HH;
            }
            else if ( STARTS_WITH_CI(pszPolLayer, "HV") ) {
                ePol = HV;
            }
            else if ( STARTS_WITH_CI(pszPolLayer, "VH") ) {
                ePol = VH;
            }
            else {
                ePol = VV;
            }

            GDALDataType eDataType = STARTS_WITH_CI(pszDataType, "COMPLEX") ?
                GDT_CInt16 : GDT_UInt16;

            /* try opening the file that represents that band */
            GDALDataset *poBandData = reinterpret_cast<GDALDataset *>(
                GDALOpen( pszPath, GA_ReadOnly ) );
            if ( poBandData != NULL ) {
                TSXRasterBand *poBand
                    = new TSXRasterBand( poDS, eDataType, ePol, poBandData );
                poDS->SetBand( poDS->GetRasterCount() + 1, poBand );

                //copy georeferencing info from the band
                //need error checking??
                //it will just save the info from the last band
                CPLFree( poDS->pszProjection );
                poDS->pszProjection = CPLStrdup(poBandData->GetProjectionRef());
                geoTransformErr = poBandData->GetGeoTransform(poDS->adfGeoTransform);
            }
        }
    }

    //now check if there is a geotransform
    if ( strcmp(poDS->pszProjection, "") && geoTransformErr==CE_None)
    {
        poDS->bHaveGeoTransform = TRUE;
    }
    else
    {
        poDS->bHaveGeoTransform = FALSE;
        CPLFree( poDS->pszProjection );
        poDS->pszProjection = CPLStrdup("");
        poDS->adfGeoTransform[0] = 0.0;
        poDS->adfGeoTransform[1] = 1.0;
        poDS->adfGeoTransform[2] = 0.0;
        poDS->adfGeoTransform[3] = 0.0;
        poDS->adfGeoTransform[4] = 0.0;
        poDS->adfGeoTransform[5] = 1.0;
    }

    CPLFree(pszDataType);

/* -------------------------------------------------------------------- */
/*      Check and set matrix representation.                            */
/* -------------------------------------------------------------------- */

    if (poDS->GetRasterCount() == 4) {
        poDS->SetMetadataItem( "MATRIX_REPRESENTATION", "SCATTERING" );
    }

/* -------------------------------------------------------------------- */
/*      Read the four corners and centre GCPs in                        */
/* -------------------------------------------------------------------- */

    CPLXMLNode *psSceneInfo = CPLGetXMLNode( psData,
        "=level1Product.productInfo.sceneInfo" );
    if (psSceneInfo != NULL)
    {
        /* extract the GCPs from the provided file */
        bool success = false;
        if (pszGeorefFile != NULL)
            success = poDS->getGCPsFromGEOREF_XML(pszGeorefFile);

        //if the gcp's cannot be extracted from the georef file, try to get the corner coordinates
        //for now just SSC because the others don't have refColumn and refRow
        if (!success && poDS->nProduct == eSSC)
        {
            int nGCP = 0;
            double dfAvgHeight = CPLAtof(CPLGetXMLValue(psSceneInfo,
                "sceneAverageHeight", "0.0"));

            //count and allocate gcps - there should be five - 4 corners and a centre
            poDS->nGCPCount = 0;
            CPLXMLNode *psNode = psSceneInfo->psChild;
            for ( ; psNode != NULL; psNode = psNode->psNext )
            {
                if (!EQUAL(psNode->pszValue, "sceneCenterCoord") &&
                    !EQUAL(psNode->pszValue, "sceneCornerCoord"))
                    continue;

                poDS->nGCPCount++;
            }
            if (poDS->nGCPCount > 0)
            {
                poDS->pasGCPList = (GDAL_GCP *)CPLCalloc(sizeof(GDAL_GCP), poDS->nGCPCount);

                /* iterate over GCPs */
                for (psNode = psSceneInfo->psChild; psNode != NULL; psNode = psNode->psNext )
                {
                    GDAL_GCP *psGCP = poDS->pasGCPList + nGCP;

                    if (!EQUAL(psNode->pszValue, "sceneCenterCoord") &&
                        !EQUAL(psNode->pszValue, "sceneCornerCoord"))
                        continue;

                    psGCP->dfGCPPixel = CPLAtof(CPLGetXMLValue(psNode, "refColumn",
                        "0.0"));
                    psGCP->dfGCPLine = CPLAtof(CPLGetXMLValue(psNode, "refRow", "0.0"));
                    psGCP->dfGCPX = CPLAtof(CPLGetXMLValue(psNode, "lon", "0.0"));
                    psGCP->dfGCPY = CPLAtof(CPLGetXMLValue(psNode, "lat", "0.0"));
                    psGCP->dfGCPZ = dfAvgHeight;
                    psGCP->pszId = CPLStrdup( CPLSPrintf( "%d", nGCP ) );
                    psGCP->pszInfo = CPLStrdup("");

                    nGCP++;
                }

                //set the projection string - the fields are lat/long - seems to be WGS84 datum
                OGRSpatialReference osr;
                osr.SetWellKnownGeogCS( "WGS84" );
                CPLFree(poDS->pszGCPProjection);
                osr.exportToWkt( &(poDS->pszGCPProjection) );
            }
        }

        //gcps override geotransform - does it make sense to have both??
        if (poDS->nGCPCount>0)
        {
            poDS->bHaveGeoTransform = FALSE;
            CPLFree( poDS->pszProjection );
            poDS->pszProjection = CPLStrdup("");
            poDS->adfGeoTransform[0] = 0.0;
            poDS->adfGeoTransform[1] = 1.0;
            poDS->adfGeoTransform[2] = 0.0;
            poDS->adfGeoTransform[3] = 0.0;
            poDS->adfGeoTransform[4] = 0.0;
            poDS->adfGeoTransform[5] = 1.0;
        }

    }
    else {
        CPLError(CE_Warning, CPLE_AppDefined,
            "Unable to find sceneInfo tag in XML document. "
            "Proceeding with caution.");
    }

    CPLFree(pszGeorefFile);

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

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

    CPLDestroyXMLNode(psData);

    return poDS;
}
Esempio n. 26
0
GDALDataset *ERSDataset::Open( GDALOpenInfo * poOpenInfo )

{
/* -------------------------------------------------------------------- */
/*      We assume the user selects the .ers file.                       */
/* -------------------------------------------------------------------- */
    if( poOpenInfo->nHeaderBytes > 15
        && EQUALN((const char *) poOpenInfo->pabyHeader,"Algorithm Begin",15) )
    {
        CPLError( CE_Failure, CPLE_OpenFailed, 
                  "%s appears to be an algorithm ERS file, which is not currently supported.", 
                  poOpenInfo->pszFilename );
        return NULL;
    }

/* -------------------------------------------------------------------- */
/*      We assume the user selects the .ers file.                       */
/* -------------------------------------------------------------------- */
    if( poOpenInfo->nHeaderBytes < 15 
        || !EQUALN((const char *) poOpenInfo->pabyHeader,"DatasetHeader ",14) )
        return NULL;

/* -------------------------------------------------------------------- */
/*      Open the .ers file, and read the first line.                    */
/* -------------------------------------------------------------------- */
    VSILFILE *fpERS = VSIFOpenL( poOpenInfo->pszFilename, "rb" );
    
    if( fpERS == NULL )
        return NULL;

    CPLReadLineL( fpERS );

/* -------------------------------------------------------------------- */
/*      Now ingest the rest of the file as a tree of header nodes.      */
/* -------------------------------------------------------------------- */
    ERSHdrNode *poHeader = new ERSHdrNode();

    if( !poHeader->ParseChildren( fpERS ) )
    {
        delete poHeader;
        VSIFCloseL( fpERS );
        return NULL;
    }

    VSIFCloseL( fpERS );

/* -------------------------------------------------------------------- */
/*      Do we have the minimum required information from this header?   */
/* -------------------------------------------------------------------- */
    if( poHeader->Find( "RasterInfo.NrOfLines" ) == NULL 
        || poHeader->Find( "RasterInfo.NrOfCellsPerLine" ) == NULL 
        || poHeader->Find( "RasterInfo.NrOfBands" ) == NULL )
    {
        if( poHeader->FindNode( "Algorithm" ) != NULL )
        {
            CPLError( CE_Failure, CPLE_OpenFailed, 
                      "%s appears to be an algorithm ERS file, which is not currently supported.", 
                      poOpenInfo->pszFilename );
        }
        delete poHeader;
        return NULL;
    }

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

    poDS = new ERSDataset();
    poDS->poHeader = poHeader;
    poDS->eAccess = poOpenInfo->eAccess;

/* -------------------------------------------------------------------- */
/*      Capture some information from the file that is of interest.     */
/* -------------------------------------------------------------------- */
    int nBands = atoi(poHeader->Find( "RasterInfo.NrOfBands" ));
    poDS->nRasterXSize = atoi(poHeader->Find( "RasterInfo.NrOfCellsPerLine" ));
    poDS->nRasterYSize = atoi(poHeader->Find( "RasterInfo.NrOfLines" ));
    
    if (!GDALCheckDatasetDimensions(poDS->nRasterXSize, poDS->nRasterYSize) ||
        !GDALCheckBandCount(nBands, FALSE))
    {
        delete poDS;
        return NULL;
    }

/* -------------------------------------------------------------------- */
/*     Get the HeaderOffset if it exists in the header                  */
/* -------------------------------------------------------------------- */
    GIntBig nHeaderOffset = 0;
    if( poHeader->Find( "HeaderOffset" ) != NULL )
    {
        nHeaderOffset = atoi(poHeader->Find( "HeaderOffset" ));
    }

/* -------------------------------------------------------------------- */
/*      Establish the data type.                                        */
/* -------------------------------------------------------------------- */
    GDALDataType eType;
    CPLString osCellType = poHeader->Find( "RasterInfo.CellType", 
                                           "Unsigned8BitInteger" );
    if( EQUAL(osCellType,"Unsigned8BitInteger") )
        eType = GDT_Byte;
    else if( EQUAL(osCellType,"Signed8BitInteger") )
        eType = GDT_Byte;
    else if( EQUAL(osCellType,"Unsigned16BitInteger") )
        eType = GDT_UInt16;
    else if( EQUAL(osCellType,"Signed16BitInteger") )
        eType = GDT_Int16;
    else if( EQUAL(osCellType,"Unsigned32BitInteger") )
        eType = GDT_UInt32;
    else if( EQUAL(osCellType,"Signed32BitInteger") )
        eType = GDT_Int32;
    else if( EQUAL(osCellType,"IEEE4ByteReal") )
        eType = GDT_Float32;
    else if( EQUAL(osCellType,"IEEE8ByteReal") )
        eType = GDT_Float64;
    else
    {
        CPLDebug( "ERS", "Unknown CellType '%s'", osCellType.c_str() );
        eType = GDT_Byte;
    }

/* -------------------------------------------------------------------- */
/*      Pick up the word order.                                         */
/* -------------------------------------------------------------------- */
    int bNative;

#ifdef CPL_LSB
    bNative = EQUAL(poHeader->Find( "ByteOrder", "LSBFirst" ),
                    "LSBFirst");
#else
    bNative = EQUAL(poHeader->Find( "ByteOrder", "MSBFirst" ),
                    "MSBFirst");
#endif

/* -------------------------------------------------------------------- */
/*      Figure out the name of the target file.                         */
/* -------------------------------------------------------------------- */
    CPLString osPath = CPLGetPath( poOpenInfo->pszFilename );
    CPLString osDataFile = poHeader->Find( "DataFile", "" );
    CPLString osDataFilePath;

    if( osDataFile.length() == 0 ) // just strip off extension.
    {
        osDataFile = CPLGetFilename( poOpenInfo->pszFilename );
        osDataFile = osDataFile.substr( 0, osDataFile.find_last_of('.') );
    }
        
    osDataFilePath = CPLFormFilename( osPath, osDataFile, NULL );

/* -------------------------------------------------------------------- */
/*      DataSetType = Translated files are links to things like ecw     */
/*      files.                                                          */
/* -------------------------------------------------------------------- */
    if( EQUAL(poHeader->Find("DataSetType",""),"Translated") )
    {
        poDS->poDepFile = (GDALDataset *) 
            GDALOpenShared( osDataFilePath, poOpenInfo->eAccess );

        if( poDS->poDepFile != NULL 
            && poDS->poDepFile->GetRasterCount() >= nBands )
        {
            int iBand;

            for( iBand = 0; iBand < nBands; iBand++ )
            {
                // Assume pixel interleaved.
                poDS->SetBand( iBand+1, 
                               poDS->poDepFile->GetRasterBand( iBand+1 ) );
            }
        }
    }

/* ==================================================================== */
/*      While ERStorage indicates a raw file.                           */
/* ==================================================================== */
    else if( EQUAL(poHeader->Find("DataSetType",""),"ERStorage") )
    {
        // Open data file.
        if( poOpenInfo->eAccess == GA_Update )
            poDS->fpImage = VSIFOpenL( osDataFilePath, "r+" );
        else
            poDS->fpImage = VSIFOpenL( osDataFilePath, "r" );

        poDS->osRawFilename = osDataFilePath;

        if( poDS->fpImage != NULL )
        {
            int iWordSize = GDALGetDataTypeSize(eType) / 8;
            int iBand;

            for( iBand = 0; iBand < nBands; iBand++ )
            {
                // Assume pixel interleaved.
                poDS->SetBand( 
                    iBand+1, 
                    new RawRasterBand( poDS, iBand+1, poDS->fpImage,
                                       nHeaderOffset 
                                       + iWordSize * iBand * poDS->nRasterXSize,
                                       iWordSize,
                                       iWordSize * nBands * poDS->nRasterXSize,
                                       eType, bNative, TRUE ));
                if( EQUAL(osCellType,"Signed8BitInteger") )
                    poDS->GetRasterBand(iBand+1)->
                        SetMetadataItem( "PIXELTYPE", "SIGNEDBYTE", 
                                         "IMAGE_STRUCTURE" );
            }
        }
    }

/* -------------------------------------------------------------------- */
/*      Otherwise we have an error!                                     */
/* -------------------------------------------------------------------- */
    if( poDS->nBands == 0 )
    {
        delete poDS;
        return NULL;
    }

/* -------------------------------------------------------------------- */
/*      Look for band descriptions.                                     */
/* -------------------------------------------------------------------- */
    int iChild, iBand = 0;
    ERSHdrNode *poRI = poHeader->FindNode( "RasterInfo" );

    for( iChild = 0; 
         poRI != NULL && iChild < poRI->nItemCount && iBand < poDS->nBands; 
         iChild++ )
    {
        if( poRI->papoItemChild[iChild] != NULL
            && EQUAL(poRI->papszItemName[iChild],"BandId") )
        {
            const char *pszValue = 
                poRI->papoItemChild[iChild]->Find( "Value", NULL );

            iBand++;
            if( pszValue )
            {
                CPLPushErrorHandler( CPLQuietErrorHandler );
                poDS->GetRasterBand( iBand )->SetDescription( pszValue );
                CPLPopErrorHandler();
            }

            pszValue = poRI->papoItemChild[iChild]->Find( "Units", NULL );
            if ( pszValue )
            {
                CPLPushErrorHandler( CPLQuietErrorHandler );
                poDS->GetRasterBand( iBand )->SetUnitType( pszValue );
                CPLPopErrorHandler();
            }
        }
    }

/* -------------------------------------------------------------------- */
/*      Look for projection.                                            */
/* -------------------------------------------------------------------- */
    OGRSpatialReference oSRS;

    CPLString osProjection = poHeader->Find( "CoordinateSpace.Projection", 
                                             "RAW" );
    CPLString osDatum = poHeader->Find( "CoordinateSpace.Datum", "WGS84" );
    CPLString osUnits = poHeader->Find( "CoordinateSpace.Units", "METERS" );

    oSRS.importFromERM( osProjection, osDatum, osUnits );

    CPLFree( poDS->pszProjection );
    oSRS.exportToWkt( &(poDS->pszProjection) );

/* -------------------------------------------------------------------- */
/*      Look for the geotransform.                                      */
/* -------------------------------------------------------------------- */
    if( poHeader->Find( "RasterInfo.RegistrationCoord.Eastings", NULL )
        && poHeader->Find( "RasterInfo.CellInfo.Xdimension", NULL ) )
    {
        poDS->bGotTransform = TRUE;
        poDS->adfGeoTransform[0] = CPLAtof( 
            poHeader->Find( "RasterInfo.RegistrationCoord.Eastings", "" ));
        poDS->adfGeoTransform[1] = CPLAtof( 
            poHeader->Find( "RasterInfo.CellInfo.Xdimension", "" ));
        poDS->adfGeoTransform[2] = 0.0;
        poDS->adfGeoTransform[3] = CPLAtof( 
            poHeader->Find( "RasterInfo.RegistrationCoord.Northings", "" ));
        poDS->adfGeoTransform[4] = 0.0;
        poDS->adfGeoTransform[5] = -CPLAtof( 
            poHeader->Find( "RasterInfo.CellInfo.Ydimension", "" ));
    }
    else if( poHeader->Find( "RasterInfo.RegistrationCoord.Latitude", NULL )
             && poHeader->Find( "RasterInfo.CellInfo.Xdimension", NULL ) )
    {
        poDS->bGotTransform = TRUE;
        poDS->adfGeoTransform[0] = ERSDMS2Dec( 
            poHeader->Find( "RasterInfo.RegistrationCoord.Longitude", "" ));
        poDS->adfGeoTransform[1] = CPLAtof( 
            poHeader->Find( "RasterInfo.CellInfo.Xdimension", "" ));
        poDS->adfGeoTransform[2] = 0.0;
        poDS->adfGeoTransform[3] = ERSDMS2Dec( 
            poHeader->Find( "RasterInfo.RegistrationCoord.Latitude", "" ));
        poDS->adfGeoTransform[4] = 0.0;
        poDS->adfGeoTransform[5] = -CPLAtof( 
            poHeader->Find( "RasterInfo.CellInfo.Ydimension", "" ));
    }

/* -------------------------------------------------------------------- */
/*      Adjust if we have a registration cell.                          */
/* -------------------------------------------------------------------- */
    int iCellX = atoi(poHeader->Find("RasterInfo.RegistrationCellX", "1"));
    int iCellY = atoi(poHeader->Find("RasterInfo.RegistrationCellY", "1"));

    if( poDS->bGotTransform )
    {
        poDS->adfGeoTransform[0] -=
            (iCellX-1) * poDS->adfGeoTransform[1]
            + (iCellY-1) * poDS->adfGeoTransform[2];
        poDS->adfGeoTransform[3] -= 
            (iCellX-1) * poDS->adfGeoTransform[4]
            + (iCellY-1) * poDS->adfGeoTransform[5];
    }

/* -------------------------------------------------------------------- */
/*      Check for null values.                                          */
/* -------------------------------------------------------------------- */
    if( poHeader->Find( "RasterInfo.NullCellValue", NULL ) )
    {
        CPLPushErrorHandler( CPLQuietErrorHandler );

        for( iBand = 1; iBand <= poDS->nBands; iBand++ )
            poDS->GetRasterBand(iBand)->SetNoDataValue(
                CPLAtofM(poHeader->Find( "RasterInfo.NullCellValue" )) );
        
        CPLPopErrorHandler();
    }

/* -------------------------------------------------------------------- */
/*      Do we have an "All" region?                                     */
/* -------------------------------------------------------------------- */
    ERSHdrNode *poAll = NULL;

    for( iChild = 0; 
         poRI != NULL && iChild < poRI->nItemCount; 
         iChild++ )
    {
        if( poRI->papoItemChild[iChild] != NULL
            && EQUAL(poRI->papszItemName[iChild],"RegionInfo") )
        {
            if( EQUAL(poRI->papoItemChild[iChild]->Find("RegionName",""), 
                      "All") )
                poAll = poRI->papoItemChild[iChild];
        }
    }

/* -------------------------------------------------------------------- */
/*      Do we have statistics?                                          */
/* -------------------------------------------------------------------- */
    if( poAll && poAll->FindNode( "Stats" ) )
    {
        CPLPushErrorHandler( CPLQuietErrorHandler );

        for( iBand = 1; iBand <= poDS->nBands; iBand++ )
        {
            const char *pszValue = 
                poAll->FindElem( "Stats.MinimumValue", iBand-1 );

            if( pszValue )
                poDS->GetRasterBand(iBand)->SetMetadataItem(
                    "STATISTICS_MINIMUM", pszValue );

            pszValue = poAll->FindElem( "Stats.MaximumValue", iBand-1 );

            if( pszValue )
                poDS->GetRasterBand(iBand)->SetMetadataItem(
                    "STATISTICS_MAXIMUM", pszValue );

            pszValue = poAll->FindElem( "Stats.MeanValue", iBand-1 );

            if( pszValue )
                poDS->GetRasterBand(iBand)->SetMetadataItem(
                    "STATISTICS_MEAN", pszValue );

            pszValue = poAll->FindElem( "Stats.MedianValue", iBand-1 );

            if( pszValue )
                poDS->GetRasterBand(iBand)->SetMetadataItem(
                    "STATISTICS_MEDIAN", pszValue );
        }
        
        CPLPopErrorHandler();
        
    }

/* -------------------------------------------------------------------- */
/*      Do we have GCPs.                                                */
/* -------------------------------------------------------------------- */
    if( poHeader->FindNode( "RasterInfo.WarpControl" ) )
        poDS->ReadGCPs();

/* -------------------------------------------------------------------- */
/*      Initialize any PAM information.                                 */
/* -------------------------------------------------------------------- */
    poDS->SetDescription( poOpenInfo->pszFilename );
    poDS->TryLoadXML();
    
    // if no SR in xml, try aux
    const char* pszPrj = poDS->GDALPamDataset::GetProjectionRef();
    if( !pszPrj || strlen(pszPrj) == 0 )
    {
        // try aux
        GDALDataset* poAuxDS = GDALFindAssociatedAuxFile( poOpenInfo->pszFilename, GA_ReadOnly, poDS );
        if( poAuxDS )
        {
            pszPrj = poAuxDS->GetProjectionRef();
            if( pszPrj && strlen(pszPrj) > 0 )
            {
                CPLFree( poDS->pszProjection );
                poDS->pszProjection = CPLStrdup(pszPrj);
            }

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

    return( poDS );
}
Esempio n. 27
0
void GDALDefaultOverviews::OverviewScan()

{
    if( bCheckedForOverviews || poDS == NULL )
        return;

    bCheckedForOverviews = true;

    CPLDebug( "GDAL", "GDALDefaultOverviews::OverviewScan()" );

/* -------------------------------------------------------------------- */
/*      Open overview dataset if it exists.                             */
/* -------------------------------------------------------------------- */
    if( pszInitName == NULL )
        pszInitName = CPLStrdup(poDS->GetDescription());

    if( !EQUAL(pszInitName,":::VIRTUAL:::") &&
        GDALCanFileAcceptSidecarFile(pszInitName) )
    {
        if( bInitNameIsOVR )
            osOvrFilename = pszInitName;
        else
            osOvrFilename.Printf( "%s.ovr", pszInitName );

        std::vector<char> achOvrFilename;
        achOvrFilename.resize(osOvrFilename.size() + 1);
        memcpy(&(achOvrFilename[0]),
               osOvrFilename.c_str(),
               osOvrFilename.size() + 1);
        bool bExists = CPL_TO_BOOL(
            CPLCheckForFile( &achOvrFilename[0], papszInitSiblingFiles ) );
        osOvrFilename = &achOvrFilename[0];

#if !defined(WIN32)
        if( !bInitNameIsOVR && !bExists && !papszInitSiblingFiles )
        {
            osOvrFilename.Printf( "%s.OVR", pszInitName );
            memcpy(&(achOvrFilename[0]),
                   osOvrFilename.c_str(),
                   osOvrFilename.size() + 1);
            bExists = CPL_TO_BOOL(
                CPLCheckForFile( &achOvrFilename[0], papszInitSiblingFiles ) );
            osOvrFilename = &achOvrFilename[0];
            if( !bExists )
                osOvrFilename.Printf( "%s.ovr", pszInitName );
        }
#endif

        if( bExists )
        {
           poODS = static_cast<GDALDataset *>( GDALOpenEx(
                osOvrFilename,
                GDAL_OF_RASTER |
                (poDS->GetAccess() == GA_Update ? GDAL_OF_UPDATE : 0),
                NULL, NULL, papszInitSiblingFiles ) );
        }
    }

/* -------------------------------------------------------------------- */
/*      We didn't find that, so try and find a corresponding aux        */
/*      file.  Check that we are the dependent file of the aux          */
/*      file.                                                           */
/*                                                                      */
/*      We only use the .aux file for overviews if they already have    */
/*      overviews existing, or if USE_RRD is set true.                  */
/* -------------------------------------------------------------------- */
    if( !poODS && !EQUAL(pszInitName,":::VIRTUAL:::") &&
        GDALCanFileAcceptSidecarFile(pszInitName) )
    {
        bool bTryFindAssociatedAuxFile = true;
        if( papszInitSiblingFiles )
        {
            CPLString osAuxFilename = CPLResetExtension( pszInitName, "aux");
            int iSibling = CSLFindString( papszInitSiblingFiles,
                                          CPLGetFilename(osAuxFilename) );
            if( iSibling < 0 )
            {
                osAuxFilename = pszInitName;
                osAuxFilename += ".aux";
                iSibling = CSLFindString( papszInitSiblingFiles,
                                        CPLGetFilename(osAuxFilename) );
                if( iSibling < 0 )
                    bTryFindAssociatedAuxFile = false;
            }
        }

        if( bTryFindAssociatedAuxFile )
        {
            poODS = GDALFindAssociatedAuxFile( pszInitName, poDS->GetAccess(),
                                            poDS );
        }

        if( poODS )
        {
            const bool bUseRRD = CPLTestBool(CPLGetConfigOption("USE_RRD","NO"));

            bOvrIsAux = true;
            if( GetOverviewCount(1) == 0 && !bUseRRD )
            {
                bOvrIsAux = false;
                GDALClose( poODS );
                poODS = NULL;
            }
            else
            {
                osOvrFilename = poODS->GetDescription();
            }
        }
    }

/* -------------------------------------------------------------------- */
/*      If we still don't have an overview, check to see if we have     */
/*      overview metadata referencing a remote (i.e. proxy) or local    */
/*      subdataset overview dataset.                                    */
/* -------------------------------------------------------------------- */
    if( poODS == NULL )
    {
        const char *pszProxyOvrFilename =
            poDS->GetMetadataItem( "OVERVIEW_FILE", "OVERVIEWS" );

        if( pszProxyOvrFilename != NULL )
        {
            if( STARTS_WITH_CI(pszProxyOvrFilename, ":::BASE:::") )
            {
                const CPLString osPath = CPLGetPath(poDS->GetDescription());

                osOvrFilename =
                    CPLFormFilename( osPath, pszProxyOvrFilename+10, NULL );
            }
            else
            {
                osOvrFilename = pszProxyOvrFilename;
            }

            CPLPushErrorHandler(CPLQuietErrorHandler);
            poODS = static_cast<GDALDataset *>(GDALOpen(osOvrFilename, poDS->GetAccess()));
            CPLPopErrorHandler();
        }
    }

/* -------------------------------------------------------------------- */
/*      If we have an overview dataset, then mark all the overviews     */
/*      with the base dataset  Used later for finding overviews         */
/*      masks.  Uggg.                                                   */
/* -------------------------------------------------------------------- */
    if( poODS )
    {
        const int nOverviewCount = GetOverviewCount(1);

        for( int iOver = 0; iOver < nOverviewCount; iOver++ )
        {
            GDALRasterBand * const poBand = GetOverview( 1, iOver );
            GDALDataset * const poOverDS = poBand != NULL ?
                poBand->GetDataset() : NULL;

            if( poOverDS != NULL )
            {
                poOverDS->oOvManager.poBaseDS = poDS;
                poOverDS->oOvManager.poDS = poOverDS;
            }
        }
    }
}
int ISIS2Dataset::WriteLabel(
    CPLString osFilename, CPLString osRasterFile, CPLString sObjectTag,
    unsigned int nXSize, unsigned int nYSize, unsigned int nBands,
    GDALDataType eType,
    GUIntBig iRecords, const char * pszInterleaving,
    GUIntBig &iLabelRecords, bool bRelaunch)

{
    CPLDebug("ISIS2", "Write Label filename = %s, rasterfile = %s",osFilename.c_str(),osRasterFile.c_str());
    bool bAttachedLabel = EQUAL(osRasterFile, "");

    VSILFILE *fpLabel = VSIFOpenL( osFilename, "w" );

    if( fpLabel == NULL ) {
        CPLError( CE_Failure, CPLE_FileIO,
                  "Failed to create %s:\n%s",
                  osFilename.c_str(), VSIStrerror( errno ) );
        return FALSE;
    }

    unsigned int iLevel(0);
    unsigned int nWritingBytes(0);

    /* write common header */
    nWritingBytes += ISIS2Dataset::WriteKeyword( fpLabel, iLevel, "PDS_VERSION_ID", "PDS3" );
    nWritingBytes += ISIS2Dataset::WriteFormatting( fpLabel, "");
    nWritingBytes += ISIS2Dataset::WriteFormatting( fpLabel, "/* File identification and structure */");
    nWritingBytes += ISIS2Dataset::WriteKeyword( fpLabel, iLevel, "RECORD_TYPE", "FIXED_LENGTH" );
    nWritingBytes += ISIS2Dataset::WriteKeyword( fpLabel, iLevel, "RECORD_BYTES", CPLString().Printf("%d",RECORD_SIZE));
    nWritingBytes += ISIS2Dataset::WriteKeyword( fpLabel, iLevel, "FILE_RECORDS", CPLString().Printf(CPL_FRMT_GUIB,iRecords));
    nWritingBytes += ISIS2Dataset::WriteKeyword( fpLabel, iLevel, "LABEL_RECORDS", CPLString().Printf(CPL_FRMT_GUIB,iLabelRecords));
    if(!bAttachedLabel) {
        nWritingBytes += ISIS2Dataset::WriteKeyword( fpLabel, iLevel, "FILE_NAME", CPLGetFilename(osRasterFile));
    }
    nWritingBytes += ISIS2Dataset::WriteFormatting( fpLabel, "");

    nWritingBytes += ISIS2Dataset::WriteFormatting( fpLabel, "/* Pointers to Data Objects */");

    if(bAttachedLabel) {
        nWritingBytes += ISIS2Dataset::WriteKeyword( fpLabel, iLevel, CPLString().Printf("^%s",sObjectTag.c_str()), CPLString().Printf(CPL_FRMT_GUIB,iLabelRecords+1));
    } else {
        nWritingBytes += ISIS2Dataset::WriteKeyword( fpLabel, iLevel, CPLString().Printf("^%s",sObjectTag.c_str()), CPLString().Printf("(\"%s\",1)",CPLGetFilename(osRasterFile)));
    }

    if(EQUAL(sObjectTag, "QUBE")) {
        ISIS2Dataset::WriteQUBE_Information(fpLabel, iLevel, nWritingBytes, nXSize, nYSize, nBands, eType, pszInterleaving);
    }

    nWritingBytes += ISIS2Dataset::WriteFormatting( fpLabel, "END");

    // check if file record is correct
    unsigned int q = nWritingBytes/RECORD_SIZE;
    if( q <= iLabelRecords) {
        // correct we add space after the label end for complete from iLabelRecords
        unsigned int nSpaceBytesToWrite = (unsigned int) (iLabelRecords * RECORD_SIZE - nWritingBytes);
        VSIFPrintfL(fpLabel,"%*c", nSpaceBytesToWrite, ' ');
    } else {
        iLabelRecords = q+1;
        ISIS2Dataset::WriteLabel(osFilename, osRasterFile, sObjectTag, nXSize, nYSize, nBands, eType, iRecords, pszInterleaving, iLabelRecords);
    }
    VSIFCloseL( fpLabel );

    return TRUE;
}
Esempio n. 29
0
GDALDataset * SRTMHGTDataset::CreateCopy( const char * pszFilename,
                                          GDALDataset *poSrcDS,
                                          int bStrict,
                                          char ** /* papszOptions*/,
                                          GDALProgressFunc pfnProgress,
                                          void * pProgressData )
{
/* -------------------------------------------------------------------- */
/*      Some some rudimentary checks                                    */
/* -------------------------------------------------------------------- */
    const int nBands = poSrcDS->GetRasterCount();
    if (nBands == 0)
    {
        CPLError( CE_Failure, CPLE_NotSupported,
                  "SRTMHGT driver does not support source dataset with zero band.\n");
        return nullptr;
    }
    else if (nBands != 1)
    {
        CPLError( (bStrict) ? CE_Failure : CE_Warning, CPLE_NotSupported,
                  "SRTMHGT driver only uses the first band of the dataset.\n");
        if (bStrict)
            return nullptr;
    }

/* -------------------------------------------------------------------- */
/*      Checks the input SRS                                            */
/* -------------------------------------------------------------------- */
    OGRSpatialReference ogrsr_input;
    ogrsr_input.importFromWkt(poSrcDS->GetProjectionRef());

    OGRSpatialReference ogrsr_wgs84;
    ogrsr_wgs84.SetWellKnownGeogCS( "WGS84" );

    if ( ogrsr_input.IsSameGeogCS(&ogrsr_wgs84) == FALSE)
    {
        CPLError( CE_Warning, CPLE_AppDefined,
                  "The source projection coordinate system is %s. Only WGS 84 "
                  "is supported.\nThe SRTMHGT driver will generate a file as "
                  "if the source was WGS 84 projection coordinate system.",
                  poSrcDS->GetProjectionRef() );
    }

/* -------------------------------------------------------------------- */
/*      Work out the LL origin.                                         */
/* -------------------------------------------------------------------- */
    double adfGeoTransform[6];
    if (poSrcDS->GetGeoTransform( adfGeoTransform ) != CE_None)
    {
        CPLError( CE_Failure, CPLE_AppDefined,
                  "Source image must have a geo transform matrix.");
        return nullptr;
    }

    const int nLLOriginLat = static_cast<int>(
        std::floor(adfGeoTransform[3]
              + poSrcDS->GetRasterYSize() * adfGeoTransform[5] + 0.5) );

    int nLLOriginLong = static_cast<int>(
        std::floor(adfGeoTransform[0] + 0.5) );

    if (std::abs(nLLOriginLat - (
            adfGeoTransform[3] + (poSrcDS->GetRasterYSize() - 0.5 )
            * adfGeoTransform[5] ) ) > 1e-10 ||
        std::abs(nLLOriginLong - (
            adfGeoTransform[0] + 0.5 * adfGeoTransform[1])) > 1e-10 )
    {
        CPLError( CE_Warning, CPLE_AppDefined,
               "The corner coordinates of the source are not properly "
               "aligned on plain latitude/longitude boundaries.");
    }

/* -------------------------------------------------------------------- */
/*      Check image dimensions.                                         */
/* -------------------------------------------------------------------- */
    const int nXSize = poSrcDS->GetRasterXSize();
    const int nYSize = poSrcDS->GetRasterYSize();

    if (!((nXSize == 1201 && nYSize == 1201) ||
          (nXSize == 3601 && nYSize == 3601) ||
          (nXSize == 1801 && nYSize == 3601)))
    {
        CPLError( CE_Failure, CPLE_AppDefined,
                  "Image dimensions should be 1201x1201, 3601x3601 or 1801x3601.");
        return nullptr;
    }

/* -------------------------------------------------------------------- */
/*      Check filename.                                                 */
/* -------------------------------------------------------------------- */
    char expectedFileName[12];

    CPLsnprintf(expectedFileName, sizeof(expectedFileName), "%c%02d%c%03d.HGT",
             (nLLOriginLat >= 0) ? 'N' : 'S',
             (nLLOriginLat >= 0) ? nLLOriginLat : -nLLOriginLat,
             (nLLOriginLong >= 0) ? 'E' : 'W',
             (nLLOriginLong >= 0) ? nLLOriginLong : -nLLOriginLong);

    if (!EQUAL(expectedFileName, CPLGetFilename(pszFilename)))
    {
        CPLError( CE_Warning, CPLE_AppDefined,
                  "Expected output filename is %s.", expectedFileName);
    }

/* -------------------------------------------------------------------- */
/*      Write output file.                                              */
/* -------------------------------------------------------------------- */
    VSILFILE* fp = VSIFOpenL(pszFilename, "wb");
    if (fp == nullptr)
    {
        CPLError( CE_Failure, CPLE_FileIO,
                  "Cannot create file %s", pszFilename );
        return nullptr;
    }

    GInt16* panData
        = reinterpret_cast<GInt16 *>( CPLMalloc(sizeof(GInt16) * nXSize) );
    GDALRasterBand* poSrcBand = poSrcDS->GetRasterBand(1);

    int bSrcBandHasNoData;
    double srcBandNoData = poSrcBand->GetNoDataValue(&bSrcBandHasNoData);

    for( int iY = 0; iY < nYSize; iY++ )
    {
        if( poSrcBand->RasterIO( GF_Read, 0, iY, nXSize, 1,
                                 reinterpret_cast<void *>( panData ), nXSize, 1,
                                 GDT_Int16, 0, 0, nullptr ) != CE_None )
        {
            VSIFCloseL(fp);
            CPLFree( panData );
            return nullptr;
        }

        /* Translate nodata values */
        if (bSrcBandHasNoData && srcBandNoData != SRTMHG_NODATA_VALUE)
        {
            for( int iX = 0; iX < nXSize; iX++ )
            {
                if (panData[iX] == srcBandNoData)
                    panData[iX] = SRTMHG_NODATA_VALUE;
            }
        }

#ifdef CPL_LSB
        GDALSwapWords(panData, 2, nXSize, 2);
#endif

        if( VSIFWriteL( panData,sizeof(GInt16) * nXSize,1,fp ) != 1)
        {
            CPLError( CE_Failure, CPLE_FileIO,
                      "Failed to write line %d in SRTMHGT dataset.\n",
                      iY );
            VSIFCloseL(fp);
            CPLFree( panData );
            return nullptr;
        }

        if( pfnProgress && !pfnProgress( (iY+1) / static_cast<double>( nYSize ),
                                         nullptr, pProgressData ) )
        {
            CPLError( CE_Failure, CPLE_UserInterrupt,
                        "User terminated CreateCopy()" );
            VSIFCloseL(fp);
            CPLFree( panData );
            return nullptr;
        }
    }

    CPLFree( panData );
    VSIFCloseL(fp);

/* -------------------------------------------------------------------- */
/*      Reopen and copy missing information into a PAM file.            */
/* -------------------------------------------------------------------- */
    GDALPamDataset *poDS = reinterpret_cast<GDALPamDataset *>(
        GDALOpen( pszFilename, GA_ReadOnly ) );

    if( poDS )
        poDS->CloneInfo( poSrcDS, GCIF_PAM_DEFAULT);

    return poDS;
}
Esempio n. 30
0
GDALDataset* SRTMHGTDataset::Open(GDALOpenInfo* poOpenInfo)
{
  if (!Identify(poOpenInfo))
      return nullptr;

  const char* fileName = CPLGetFilename(poOpenInfo->pszFilename);
  CPLString osLCFilename(CPLString(fileName).tolower());
  if( !STARTS_WITH(fileName, "/vsizip/") &&
      osLCFilename.endsWith(".hgt.zip") )
  {
      CPLString osFilename ("/vsizip/");
      osFilename += poOpenInfo->pszFilename;
      osFilename += "/";
      osFilename += CPLString(fileName).substr(0, 7);
      osFilename += ".hgt";
      GDALOpenInfo oOpenInfo(osFilename, poOpenInfo->eAccess);
      GDALDataset* poDS = Open(&oOpenInfo);
      if( poDS != nullptr )
      {
          // override description with the main one
          poDS->SetDescription(poOpenInfo->pszFilename);
      }
      return poDS;
  }

  if( !STARTS_WITH(fileName, "/vsizip/") &&
      osLCFilename.endsWith(".srtmswbd.raw.zip") )
  {
      CPLString osFilename("/vsizip/");
      osFilename += poOpenInfo->pszFilename;
      osFilename += "/";
      osFilename += CPLString(fileName).substr(0, 7);
      osFilename += ".raw";
      GDALOpenInfo oOpenInfo(osFilename, poOpenInfo->eAccess);
      GDALDataset* poDS = Open(&oOpenInfo);
      if( poDS != nullptr )
      {
          // override description with the main one
          poDS->SetDescription(poOpenInfo->pszFilename);
      }
      return poDS;
  }

  char latLonValueString[4];
  memset(latLonValueString, 0, 4);
  strncpy(latLonValueString, &fileName[1], 2);
  int southWestLat = atoi(latLonValueString);
  memset(latLonValueString, 0, 4);
  // cppcheck-suppress redundantCopy
  strncpy(latLonValueString, &fileName[4], 3);
  int southWestLon = atoi(latLonValueString);

  if(fileName[0] == 'N' || fileName[0] == 'n')
    /*southWestLat = southWestLat */;
  else if(fileName[0] == 'S' || fileName[0] == 's')
    southWestLat = southWestLat * -1;
  else
    return nullptr;

  if(fileName[3] == 'E' || fileName[3] == 'e')
    /*southWestLon = southWestLon */;
  else if(fileName[3] == 'W' || fileName[3] == 'w')
    southWestLon = southWestLon * -1;
  else
    return nullptr;

/* -------------------------------------------------------------------- */
/*      Create a corresponding GDALDataset.                             */
/* -------------------------------------------------------------------- */
  SRTMHGTDataset* poDS  = new SRTMHGTDataset();

  poDS->fpImage = poOpenInfo->fpL;
  poOpenInfo->fpL = nullptr;

  VSIStatBufL fileStat;
  if(VSIStatL(poOpenInfo->pszFilename, &fileStat) != 0)
  {
      delete poDS;
      return nullptr;
  }

  int numPixels_x, numPixels_y;

  GDALDataType eDT = GDT_Int16;
  switch (fileStat.st_size) {
  case 3601 * 3601:
    numPixels_x = numPixels_y = 3601;
    eDT = GDT_Byte;
    break;
  case 3601 * 3601 * 2:
    numPixels_x = numPixels_y = 3601;
    break;
  case 1801 * 3601 * 2:
    numPixels_x = 1801;
    numPixels_y = 3601;
    break;
  case 1201 * 1201 * 2:
    numPixels_x = numPixels_y = 1201;
    break;
  default:
    numPixels_x = numPixels_y = 0;
    break;
  }

  poDS->eAccess = poOpenInfo->eAccess;
#ifdef CPL_LSB
  if(poDS->eAccess == GA_Update && eDT == GDT_Int16)
  {
      poDS->panBuffer
          = reinterpret_cast<GInt16 *>( CPLMalloc(numPixels_x * sizeof(GInt16)) );
  }
#endif

/* -------------------------------------------------------------------- */
/*      Capture some information from the file that is of interest.     */
/* -------------------------------------------------------------------- */
  poDS->nRasterXSize = numPixels_x;
  poDS->nRasterYSize = numPixels_y;
  poDS->nBands = 1;

  poDS->adfGeoTransform[0] = southWestLon - 0.5 / (numPixels_x - 1);
  poDS->adfGeoTransform[1] = 1.0 / (numPixels_x-1);
  poDS->adfGeoTransform[2] = 0.0;
  poDS->adfGeoTransform[3] = southWestLat + 1 + 0.5 / (numPixels_y - 1);
  poDS->adfGeoTransform[4] = 0.0;
  poDS->adfGeoTransform[5] = -1.0 / (numPixels_y-1);

  poDS->SetMetadataItem( GDALMD_AREA_OR_POINT, GDALMD_AOP_POINT );

/* -------------------------------------------------------------------- */
/*      Create band information object.                                 */
/* -------------------------------------------------------------------- */
  SRTMHGTRasterBand* tmpBand = new SRTMHGTRasterBand(poDS, 1, eDT);
  poDS->SetBand(1, tmpBand);

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

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

  return poDS;
}