Esempio n. 1
0
    void object::test<3>()
    {
        ensure("SRS handle is NULL", NULL != srs_);

        // California III NAD83 (feet)
        OSRSetStatePlaneWithUnits(srs_, 403, 1, "Foot", 0.3048006096012192);

        double val = 0;

        val = OSRGetProjParm(srs_, SRS_PP_STANDARD_PARALLEL_1, -1111, &err_);
        ensure_approx_equals(val, 38.43333333333333);

        val = OSRGetProjParm(srs_, SRS_PP_STANDARD_PARALLEL_2, -1111, &err_);
        ensure_approx_equals(val, 37.06666666666667);

        val = OSRGetProjParm(srs_, SRS_PP_LATITUDE_OF_ORIGIN, -1111, &err_);
        ensure_approx_equals(val, 36.5);

        val = OSRGetProjParm(srs_, SRS_PP_CENTRAL_MERIDIAN, -1111, &err_);
        ensure_approx_equals(val, -120.5);

        val = OSRGetProjParm(srs_, SRS_PP_FALSE_EASTING, -1111, &err_);
        ensure_approx_equals(val, 6561666.666666667);

        val = OSRGetProjParm(srs_, SRS_PP_FALSE_NORTHING, -1111, &err_);
        ensure_approx_equals(val, 1640416.666666667);

        ensure_equals("Invalid authority name",
            std::string(OSRGetAuthorityName(srs_, "GEOGCS")), std::string("EPSG"));
        ensure_equals("Invalid authority code",
            std::string(OSRGetAuthorityCode(srs_, "GEOGCS")), std::string("4269"));

        ensure_equals("Invalid authority name",
            std::string(OSRGetAuthorityName(srs_, "DATUM")), std::string("EPSG"));
        ensure_equals("Invalid authority code",
            std::string(OSRGetAuthorityCode(srs_, "DATUM")), std::string("6269"));

        ensure("Got a PROJCS Authority but we should not",
            NULL == OSRGetAuthorityName(srs_, "PROJCS"));

        ensure("Got METER authority code on linear units",
            NULL == OSRGetAuthorityCode(srs_, "PROJCS|UNIT"));

        char* unitsName = NULL;
        val = OSRGetLinearUnits(srs_, &unitsName);
        ensure("Units name is NULL", NULL != unitsName);
        ensure( "Did not get Foot linear units",
                std::string("Foot") == unitsName);
    }
Esempio n. 2
0
    void object::test<2>()
    {
        ensure("SRS handle is NULL", NULL != srs_);

        // California III NAD83
        OSRSetStatePlane(srs_, 403, 1);

        double val = 0;

        val = OSRGetProjParm(srs_, SRS_PP_STANDARD_PARALLEL_1, -1111, &err_);
        ensure_approx_equals(val, 38.43333333333333);

        val = OSRGetProjParm(srs_, SRS_PP_STANDARD_PARALLEL_2, -1111, &err_);
        ensure_approx_equals(val, 37.06666666666667);

        val = OSRGetProjParm(srs_, SRS_PP_LATITUDE_OF_ORIGIN, -1111, &err_);
        ensure_approx_equals(val, 36.5);

        val = OSRGetProjParm(srs_, SRS_PP_CENTRAL_MERIDIAN, -1111, &err_);
        ensure_approx_equals(val, -120.5);

        val = OSRGetProjParm(srs_, SRS_PP_FALSE_EASTING, -1111, &err_);
        ensure_approx_equals(val, 2000000.0);

        val = OSRGetProjParm(srs_, SRS_PP_FALSE_NORTHING, -1111, &err_);
        ensure_approx_equals(val, 500000.0);

        ensure_equals("Invalid authority name",
            std::string(OSRGetAuthorityName(srs_, "GEOGCS")), std::string("EPSG"));
        ensure_equals("Invalid authority code",
            std::string(OSRGetAuthorityCode(srs_, "GEOGCS")), std::string("4269"));

        ensure_equals("Invalid authority name",
            std::string(OSRGetAuthorityName(srs_, "DATUM")), std::string("EPSG"));
        ensure_equals("Invalid authority code",
            std::string(OSRGetAuthorityCode(srs_, "DATUM")), std::string("6269"));

        ensure_equals("Invalid authority name",
            std::string(OSRGetAuthorityName(srs_, "PROJCS")), std::string("EPSG"));
        ensure_equals("Invalid authority code",
            std::string(OSRGetAuthorityCode(srs_, "PROJCS")), std::string("26943"));

        ensure_equals("Invalid authority name",
            std::string(OSRGetAuthorityName(srs_, "PROJCS|UNIT")), std::string("EPSG"));
        ensure_equals("Invalid authority code",
            std::string(OSRGetAuthorityCode(srs_, "PROJCS|UNIT")), std::string("9001"));
    }
Esempio n. 3
0
    void object::test<1>()
    {
        ensure("SRS handle is NULL", NULL != srs_);

        err_ = OSRSetUTM(srs_, 11, TRUE);
        ensure_equals("Can't set UTM zone", err_, OGRERR_NONE);

        err_ = OSRSetWellKnownGeogCS(srs_, "WGS84");
        ensure_equals("Can't set GeogCS", err_, OGRERR_NONE);

        double val = 0;

        val = OSRGetProjParm(srs_, SRS_PP_CENTRAL_MERIDIAN, -1111, &err_);
        ensure("Invalid UTM central meridian",
            std::fabs(val - (-117.0)) <= .00000000000010);

        val = OSRGetProjParm(srs_, SRS_PP_LATITUDE_OF_ORIGIN, -1111, &err_);
        ensure("Invalid UTM latitude of origin",
            std::fabs(val - 0.0) <= .00000000000010);

        val = OSRGetProjParm(srs_, SRS_PP_SCALE_FACTOR, -1111, &err_);
        ensure("Invalid UTM scale factor",
            std::fabs(val - 0.9996) <= .00000000000010);

        val = OSRGetProjParm(srs_, SRS_PP_FALSE_EASTING, -1111, &err_);
        ensure("Invalid UTM false easting",
            std::fabs(val - 500000.0) <= .00000000000010);

        val = OSRGetProjParm(srs_, SRS_PP_FALSE_NORTHING, -1111, &err_);
        ensure("Invalid UTM false northing",
            std::fabs(val - 0.0) <= .00000000000010);

        ensure_equals("Invalid authority name",
            std::string(OSRGetAuthorityName(srs_, "GEOGCS")), std::string("EPSG"));
        ensure_equals("Invalid authority code",
            std::string(OSRGetAuthorityCode(srs_, "GEOGCS")), std::string("4326"));

        ensure_equals("Invalid authority name",
            std::string(OSRGetAuthorityName(srs_, "DATUM")), std::string("EPSG"));
        ensure_equals("Invalid authority code",
            std::string(OSRGetAuthorityCode(srs_, "DATUM")), std::string("6326"));
    }
static int RasterliteInsertSRID(OGRDataSourceH hDS, const char* pszWKT)
{
    CPLString osSQL;
    
    int nAuthorityCode = 0;
    CPLString osAuthorityName, osProjCS, osProj4;
    if (pszWKT != NULL && strlen(pszWKT) != 0)
    {
        OGRSpatialReferenceH hSRS = OSRNewSpatialReference(pszWKT);
        if (hSRS)
        {
            const char* pszAuthorityName = OSRGetAuthorityName(hSRS, NULL);
            if (pszAuthorityName) osAuthorityName = pszAuthorityName;
            
            const char* pszProjCS = OSRGetAttrValue(hSRS, "PROJCS", 0);
            if (pszProjCS) osProjCS = pszProjCS;
            
            const char* pszAuthorityCode = OSRGetAuthorityCode(hSRS, NULL);
            if (pszAuthorityCode) nAuthorityCode = atoi(pszAuthorityCode);
            
            char    *pszProj4 = NULL;
            if( OSRExportToProj4( hSRS, &pszProj4 ) != OGRERR_NONE )
                pszProj4 = CPLStrdup("");
            osProj4 = pszProj4;
            CPLFree(pszProj4);
        }
        OSRDestroySpatialReference(hSRS);
    }
        
    int nSRSId = -1;
    if (nAuthorityCode != 0 && osAuthorityName.size() != 0)
    {
        osSQL.Printf   ("SELECT srid FROM spatial_ref_sys WHERE auth_srid = %d", nAuthorityCode);
        OGRLayerH hLyr = OGR_DS_ExecuteSQL(hDS, osSQL.c_str(), NULL, NULL);
        if (hLyr == NULL)
        {
            nSRSId = nAuthorityCode;
            
            if ( osProjCS.size() != 0 )
                osSQL.Printf(
                    "INSERT INTO spatial_ref_sys "
                    "(srid, auth_name, auth_srid, ref_sys_name, proj4text) "
                    "VALUES (%d, '%s', '%d', '%s', '%s')",
                    nSRSId, osAuthorityName.c_str(),
                    nAuthorityCode, osProjCS.c_str(), osProj4.c_str() );
            else
                osSQL.Printf(
                    "INSERT INTO spatial_ref_sys "
                    "(srid, auth_name, auth_srid, proj4text) "
                    "VALUES (%d, '%s', '%d', '%s')",
                    nSRSId, osAuthorityName.c_str(),
                    nAuthorityCode, osProj4.c_str() );

            
            OGR_DS_ExecuteSQL(hDS, osSQL.c_str(), NULL, NULL);
        }
        else
        {
            OGRFeatureH hFeat = OGR_L_GetNextFeature(hLyr);
            if (hFeat)
            {
                nSRSId = OGR_F_GetFieldAsInteger(hFeat, 0);
                OGR_F_Destroy(hFeat);
            }
            OGR_DS_ReleaseResultSet(hDS, hLyr);
        }
    }
    
    return nSRSId;
}
Esempio n. 5
0
MAIN_START(argc, argv)
{
    // Check that we are running against at least GDAL 1.4.
    // Note to developers: if we use newer API, please change the requirement.
    if( atoi(GDALVersionInfo("VERSION_NUM")) < 1400 )
    {
        fprintf(stderr,
                "At least, GDAL >= 1.4.0 is required for this version of %s, "
                "which was compiled against GDAL %s\n",
                argv[0], GDAL_RELEASE_NAME);
        exit(1);
    }

    GDALAllRegister();
    OGRRegisterAll();

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

/* -------------------------------------------------------------------- */
/*      Get commandline arguments other than the GDAL raster filenames. */
/* -------------------------------------------------------------------- */
    const char* pszIndexLayerName = nullptr;
    const char *index_filename = nullptr;
    const char *tile_index = "location";
    const char* pszDriverName = nullptr;
    size_t nMaxFieldSize = 254;
    bool write_absolute_path = false;
    char* current_path = nullptr;
    bool skip_different_projection = false;
    const char *pszTargetSRS = "";
    bool bSetTargetSRS = false;
    const char* pszSrcSRSName = nullptr;
    int i_SrcSRSName = -1;
    bool bSrcSRSFormatSpecified = false;
    SrcSRSFormat eSrcSRSFormat = FORMAT_AUTO;

    int iArg = 1;  // Used after for.
    for( ; iArg < argc; iArg++ )
    {
        if( EQUAL(argv[iArg], "--utility_version") )
        {
            printf("%s was compiled against GDAL %s and is running against "
                   "GDAL %s\n",
                   argv[0], GDAL_RELEASE_NAME, GDALVersionInfo("RELEASE_NAME"));
            CSLDestroy( argv );
            return 0;
        }
        else if( EQUAL(argv[iArg],"--help") )
            Usage(nullptr);
        else if( (strcmp(argv[iArg],"-f") == 0 || strcmp(argv[iArg],"-of") == 0) )
        {
            CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(1);
            pszDriverName = argv[++iArg];
        }
        else if( strcmp(argv[iArg],"-lyr_name") == 0 )
        {
            CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(1);
            pszIndexLayerName = argv[++iArg];
        }
        else if( strcmp(argv[iArg],"-tileindex") == 0 )
        {
            CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(1);
            tile_index = argv[++iArg];
        }
        else if( strcmp(argv[iArg],"-t_srs") == 0 )
        {
            CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(1);
            pszTargetSRS = argv[++iArg];
            bSetTargetSRS = true;
        }
        else if ( strcmp(argv[iArg],"-write_absolute_path") == 0 )
        {
            write_absolute_path = true;
        }
        else if ( strcmp(argv[iArg],"-skip_different_projection") == 0 )
        {
            skip_different_projection = true;
        }
        else if( strcmp(argv[iArg], "-src_srs_name") == 0 )
        {
            CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(1);
            pszSrcSRSName = argv[++iArg];
        }
        else if( strcmp(argv[iArg], "-src_srs_format") == 0 )
        {
            const char* pszFormat;
            bSrcSRSFormatSpecified = true;
            CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(1);
            pszFormat = argv[++iArg];
            if( EQUAL(pszFormat, "AUTO") )
                eSrcSRSFormat = FORMAT_AUTO;
            else if( EQUAL(pszFormat, "WKT") )
                eSrcSRSFormat = FORMAT_WKT;
            else if( EQUAL(pszFormat, "EPSG") )
                eSrcSRSFormat = FORMAT_EPSG;
            else if( EQUAL(pszFormat, "PROJ") )
                eSrcSRSFormat = FORMAT_PROJ;
        }
        else if( argv[iArg][0] == '-' )
            Usage(CPLSPrintf("Unknown option name '%s'", argv[iArg]));
        else if( index_filename == nullptr )
        {
            index_filename = argv[iArg];
            iArg++;
            break;
        }
    }

    if( index_filename == nullptr )
        Usage("No index filename specified.");
    if( iArg == argc )
        Usage("No file to index specified.");
    if( bSrcSRSFormatSpecified && pszSrcSRSName == nullptr )
        Usage("-src_srs_name must be specified when -src_srs_format is "
              "specified.");

/* -------------------------------------------------------------------- */
/*      Create and validate target SRS if given.                        */
/* -------------------------------------------------------------------- */
    OGRSpatialReferenceH hTargetSRS = nullptr;
    if( bSetTargetSRS )
    {
        if( skip_different_projection )
        {
            fprintf( stderr,
                     "Warning : -skip_different_projection does not apply "
                     "when -t_srs is requested.\n" );
        }
        hTargetSRS = OSRNewSpatialReference("");
        OSRSetAxisMappingStrategy(hTargetSRS, OAMS_TRADITIONAL_GIS_ORDER);
        // coverity[tainted_data]
        if( OSRSetFromUserInput( hTargetSRS, pszTargetSRS ) != CE_None )
        {
            OSRDestroySpatialReference( hTargetSRS );
            fprintf( stderr, "Invalid target SRS `%s'.\n",
                     pszTargetSRS );
            exit(1);
        }
    }

/* -------------------------------------------------------------------- */
/*      Open or create the target datasource                            */
/* -------------------------------------------------------------------- */
    GDALDatasetH hTileIndexDS = GDALOpenEx(
        index_filename, GDAL_OF_VECTOR | GDAL_OF_UPDATE, nullptr, nullptr, nullptr );
    OGRLayerH hLayer = nullptr;
    CPLString osFormat;
    if( hTileIndexDS != nullptr )
    {
        GDALDriverH hDriver = GDALGetDatasetDriver(hTileIndexDS);
        if( hDriver )
            osFormat = GDALGetDriverShortName(hDriver);

        if( GDALDatasetGetLayerCount(hTileIndexDS) == 1 )
        {
            hLayer = GDALDatasetGetLayer(hTileIndexDS, 0);
        }
        else
        {
            if( pszIndexLayerName == nullptr )
            {
                printf( "-lyr_name must be specified.\n" );
                exit( 1 );
            }
            CPLPushErrorHandler(CPLQuietErrorHandler);
            hLayer = GDALDatasetGetLayerByName(hTileIndexDS, pszIndexLayerName);
            CPLPopErrorHandler();
        }
    }
    else
    {
        printf( "Creating new index file...\n" );
        if( pszDriverName == nullptr )
        {
            std::vector<CPLString> aoDrivers =
                GetOutputDriversFor(index_filename, GDAL_OF_VECTOR);
            if( aoDrivers.empty() )
            {
                CPLError( CE_Failure, CPLE_AppDefined,
                        "Cannot guess driver for %s", index_filename);
                exit( 10 );
            }
            else
            {
                if( aoDrivers.size() > 1 )
                {
                    CPLError( CE_Warning, CPLE_AppDefined,
                            "Several drivers matching %s extension. Using %s",
                            CPLGetExtension(index_filename), aoDrivers[0].c_str() );
                }
                osFormat = aoDrivers[0];
            }
        }
        else
        {
            osFormat = pszDriverName;
        }
        if( !EQUAL(osFormat, "ESRI Shapefile") )
            nMaxFieldSize = 0;


        GDALDriverH hDriver = GDALGetDriverByName( osFormat.c_str() );
        if( hDriver == nullptr )
        {
            printf( "%s driver not available.\n", osFormat.c_str() );
            exit( 1 );
        }

        hTileIndexDS = 
            GDALCreate( hDriver, index_filename, 0, 0, 0, GDT_Unknown, nullptr );
    }

    if( hTileIndexDS != nullptr && hLayer == nullptr )
    {
        OGRSpatialReferenceH hSpatialRef = nullptr;
        char* pszLayerName = nullptr;
        if( pszIndexLayerName == nullptr )
        {
            VSIStatBuf sStat;
            if( EQUAL(osFormat, "ESRI Shapefile") ||
                VSIStat(index_filename, &sStat) == 0 )
            {
                pszLayerName = CPLStrdup(CPLGetBasename(index_filename));
            }
            else
            {
                printf( "-lyr_name must be specified.\n" );
                exit( 1 );
            }
        }
        else
        {
            pszLayerName = CPLStrdup(pszIndexLayerName);
        }

        /* get spatial reference for output file from target SRS (if set) */
        /* or from first input file */
        if( bSetTargetSRS )
        {
            hSpatialRef = OSRClone( hTargetSRS );
        }
        else
        {
            GDALDatasetH hDS = GDALOpen( argv[iArg], GA_ReadOnly );
            if( hDS )
            {
                const char* pszWKT = GDALGetProjectionRef(hDS);
                if (pszWKT != nullptr && pszWKT[0] != '\0')
                {
                    hSpatialRef = OSRNewSpatialReference(pszWKT);
                    OSRSetAxisMappingStrategy(hSpatialRef, OAMS_TRADITIONAL_GIS_ORDER);
                }
                GDALClose(hDS);
            }
        }

        hLayer =
            GDALDatasetCreateLayer( hTileIndexDS, pszLayerName, hSpatialRef,
                                wkbPolygon, nullptr );
        CPLFree(pszLayerName);
        if( hSpatialRef )
            OSRRelease(hSpatialRef);

        if( hLayer )
        {
            OGRFieldDefnH hFieldDefn = OGR_Fld_Create( tile_index, OFTString );
            if( nMaxFieldSize )
                OGR_Fld_SetWidth( hFieldDefn, static_cast<int>(nMaxFieldSize));
            OGR_L_CreateField( hLayer, hFieldDefn, TRUE );
            OGR_Fld_Destroy(hFieldDefn);
            if( pszSrcSRSName != nullptr )
            {
                hFieldDefn = OGR_Fld_Create( pszSrcSRSName, OFTString );
                if( nMaxFieldSize )
                    OGR_Fld_SetWidth(hFieldDefn,
                                     static_cast<int>(nMaxFieldSize));
                OGR_L_CreateField( hLayer, hFieldDefn, TRUE );
                OGR_Fld_Destroy(hFieldDefn);
            }
        }
    }

    if( hTileIndexDS == nullptr || hLayer == nullptr )
    {
        fprintf( stderr, "Unable to open/create shapefile `%s'.\n",
                 index_filename );
        exit(2);
    }

    OGRFeatureDefnH hFDefn = OGR_L_GetLayerDefn(hLayer);

    const int ti_field = OGR_FD_GetFieldIndex( hFDefn, tile_index );
    if( ti_field < 0 )
    {
        fprintf( stderr, "Unable to find field `%s' in file `%s'.\n",
                 tile_index, index_filename );
        exit(2);
    }

    if( pszSrcSRSName != nullptr )
        i_SrcSRSName = OGR_FD_GetFieldIndex( hFDefn, pszSrcSRSName );

    // Load in memory existing file names in SHP.
    int nExistingFiles = static_cast<int>(OGR_L_GetFeatureCount(hLayer, FALSE));
    if( nExistingFiles < 0)
        nExistingFiles = 0;

    char** existingFilesTab = nullptr;
    bool alreadyExistingProjectionRefValid = false;
    char* alreadyExistingProjectionRef = nullptr;
    if( nExistingFiles > 0 )
    {
        OGRFeatureH hFeature = nullptr;
        existingFilesTab = static_cast<char **>(
            CPLMalloc(nExistingFiles * sizeof(char*)));
        for( int i = 0; i < nExistingFiles; i++ )
        {
            hFeature = OGR_L_GetNextFeature(hLayer);
            existingFilesTab[i] =
                CPLStrdup(OGR_F_GetFieldAsString( hFeature, ti_field ));
            if( i == 0 )
            {
                GDALDatasetH hDS = GDALOpen(existingFilesTab[i], GA_ReadOnly );
                if( hDS )
                {
                    alreadyExistingProjectionRefValid = true;
                    alreadyExistingProjectionRef =
                        CPLStrdup(GDALGetProjectionRef(hDS));
                    GDALClose(hDS);
                }
            }
            OGR_F_Destroy( hFeature );
        }
    }

    if( write_absolute_path )
    {
        current_path = CPLGetCurrentDir();
        if (current_path == nullptr)
        {
            fprintf( stderr,
                     "This system does not support the CPLGetCurrentDir call. "
                     "The option -write_absolute_path will have no effect\n" );
            write_absolute_path = FALSE;
        }
    }

/* -------------------------------------------------------------------- */
/*      loop over GDAL files, processing.                               */
/* -------------------------------------------------------------------- */
    for( ; iArg < argc; iArg++ )
    {
        char *fileNameToWrite = nullptr;
        VSIStatBuf sStatBuf;

        // Make sure it is a file before building absolute path name.
        if( write_absolute_path && CPLIsFilenameRelative( argv[iArg] ) &&
            VSIStat( argv[iArg], &sStatBuf ) == 0 )
        {
            fileNameToWrite =
                CPLStrdup(CPLProjectRelativeFilename(current_path, argv[iArg]));
        }
        else
        {
            fileNameToWrite = CPLStrdup(argv[iArg]);
        }

        // Checks that file is not already in tileindex.
        {
            int i = 0;  // Used after for.
            for( ; i < nExistingFiles; i++ )
            {
                if (EQUAL(fileNameToWrite, existingFilesTab[i]))
                {
                    fprintf(stderr,
                            "File %s is already in tileindex. Skipping it.\n",
                            fileNameToWrite);
                    break;
                }
            }
            if (i != nExistingFiles)
            {
                CPLFree(fileNameToWrite);
                continue;
            }
        }

        GDALDatasetH hDS = GDALOpen( argv[iArg], GA_ReadOnly );
        if( hDS == nullptr )
        {
            fprintf( stderr, "Unable to open %s, skipping.\n",
                     argv[iArg] );
            CPLFree(fileNameToWrite);
            continue;
        }

        double adfGeoTransform[6] = { 0.0, 0.0, 0.0, 0.0, 0.0, 0.0 };
        GDALGetGeoTransform( hDS, adfGeoTransform );
        if( adfGeoTransform[0] == 0.0
            && adfGeoTransform[1] == 1.0
            && adfGeoTransform[3] == 0.0
            && std::abs(adfGeoTransform[5]) == 1.0 )
        {
            fprintf( stderr,
                     "It appears no georeferencing is available for\n"
                     "`%s', skipping.\n",
                     argv[iArg] );
            GDALClose( hDS );
            CPLFree(fileNameToWrite);
            continue;
        }

        const char *projectionRef = GDALGetProjectionRef(hDS);

        // If not set target srs, test that the current file uses same
        // projection as others.
        if( !bSetTargetSRS )
        {
            if( alreadyExistingProjectionRefValid )
            {
                int projectionRefNotNull, alreadyExistingProjectionRefNotNull;
                projectionRefNotNull = projectionRef && projectionRef[0];
                alreadyExistingProjectionRefNotNull =
                    alreadyExistingProjectionRef &&
                    alreadyExistingProjectionRef[0];
                if ((projectionRefNotNull &&
                     alreadyExistingProjectionRefNotNull &&
                     EQUAL(projectionRef, alreadyExistingProjectionRef) == 0) ||
                    (projectionRefNotNull != alreadyExistingProjectionRefNotNull))
                {
                    fprintf(
                        stderr,
                        "Warning : %s is not using the same projection system "
                        "as other files in the tileindex.\n"
                        "This may cause problems when using it in MapServer "
                        "for example.\n"
                        "Use -t_srs option to set target projection system "
                        "(not supported by MapServer).\n"
                        "%s\n", argv[iArg],
                        skip_different_projection ? "Skipping this file." : "");
                    if( skip_different_projection )
                    {
                        CPLFree(fileNameToWrite);
                        GDALClose( hDS );
                        continue;
                    }
                }
            }
            else
            {
                alreadyExistingProjectionRefValid = true;
                alreadyExistingProjectionRef = CPLStrdup(projectionRef);
            }
        }

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

        double adfX[5] = { 0.0, 0.0, 0.0, 0.0, 0.0 };
        double adfY[5] = { 0.0, 0.0, 0.0, 0.0, 0.0 };
        adfX[0] = adfGeoTransform[0]
            + 0 * adfGeoTransform[1]
            + 0 * adfGeoTransform[2];
        adfY[0] = adfGeoTransform[3]
            + 0 * adfGeoTransform[4]
            + 0 * adfGeoTransform[5];

        adfX[1] = adfGeoTransform[0]
            + nXSize * adfGeoTransform[1]
            + 0 * adfGeoTransform[2];
        adfY[1] = adfGeoTransform[3]
            + nXSize * adfGeoTransform[4]
            + 0 * adfGeoTransform[5];

        adfX[2] = adfGeoTransform[0]
            + nXSize * adfGeoTransform[1]
            + nYSize * adfGeoTransform[2];
        adfY[2] = adfGeoTransform[3]
            + nXSize * adfGeoTransform[4]
            + nYSize * adfGeoTransform[5];

        adfX[3] = adfGeoTransform[0]
            + 0 * adfGeoTransform[1]
            + nYSize * adfGeoTransform[2];
        adfY[3] = adfGeoTransform[3]
            + 0 * adfGeoTransform[4]
            + nYSize * adfGeoTransform[5];

        adfX[4] = adfGeoTransform[0]
            + 0 * adfGeoTransform[1]
            + 0 * adfGeoTransform[2];
        adfY[4] = adfGeoTransform[3]
            + 0 * adfGeoTransform[4]
            + 0 * adfGeoTransform[5];

        OGRSpatialReferenceH hSourceSRS = nullptr;
        if( (bSetTargetSRS || i_SrcSRSName >= 0) &&
            projectionRef != nullptr &&
            projectionRef[0] != '\0' )
        {
            hSourceSRS = OSRNewSpatialReference( projectionRef );
            OSRSetAxisMappingStrategy(hSourceSRS, OAMS_TRADITIONAL_GIS_ORDER);
        }

        // If set target srs, do the forward transformation of all points.
        if( bSetTargetSRS && projectionRef != nullptr && projectionRef[0] != '\0' )
        {
            OGRCoordinateTransformationH hCT = nullptr;
            if( hSourceSRS && !OSRIsSame( hSourceSRS, hTargetSRS ) )
            {
                hCT = OCTNewCoordinateTransformation( hSourceSRS, hTargetSRS );
                if( hCT == nullptr || !OCTTransform( hCT, 5, adfX, adfY, nullptr ) )
                {
                    fprintf(
                        stderr,
                        "Warning : unable to transform points from source "
                        "SRS `%s' to target SRS `%s'\n"
                        "for file `%s' - file skipped\n",
                        projectionRef, pszTargetSRS, fileNameToWrite );
                    if( hCT )
                        OCTDestroyCoordinateTransformation( hCT );
                    if( hSourceSRS )
                        OSRDestroySpatialReference( hSourceSRS );
                    continue;
                }
                if( hCT )
                    OCTDestroyCoordinateTransformation( hCT );
            }
        }

        OGRFeatureH hFeature = OGR_F_Create( OGR_L_GetLayerDefn( hLayer ) );
        OGR_F_SetFieldString( hFeature, ti_field, fileNameToWrite );

        if( i_SrcSRSName >= 0 && hSourceSRS != nullptr )
        {
            const char* pszAuthorityCode =
                OSRGetAuthorityCode(hSourceSRS, nullptr);
            const char* pszAuthorityName =
                OSRGetAuthorityName(hSourceSRS, nullptr);
            if( eSrcSRSFormat == FORMAT_AUTO )
            {
                if( pszAuthorityName != nullptr && pszAuthorityCode != nullptr )
                {
                    OGR_F_SetFieldString(
                        hFeature, i_SrcSRSName,
                        CPLSPrintf("%s:%s",
                                   pszAuthorityName, pszAuthorityCode) );
                }
                else if( nMaxFieldSize == 0 ||
                         strlen(projectionRef) <= nMaxFieldSize )
                {
                    OGR_F_SetFieldString(hFeature, i_SrcSRSName, projectionRef);
                }
                else
                {
                    char* pszProj4 = nullptr;
                    if( OSRExportToProj4(hSourceSRS, &pszProj4) == OGRERR_NONE )
                    {
                        OGR_F_SetFieldString( hFeature, i_SrcSRSName,
                                              pszProj4 );
                        CPLFree(pszProj4);
                    }
                    else
                    {
                        OGR_F_SetFieldString( hFeature, i_SrcSRSName,
                                              projectionRef );
                    }
                }
            }
            else if( eSrcSRSFormat == FORMAT_WKT )
            {
                if( nMaxFieldSize == 0 ||
                    strlen(projectionRef) <= nMaxFieldSize )
                {
                    OGR_F_SetFieldString( hFeature, i_SrcSRSName,
                                          projectionRef );
                }
                else
                {
                    fprintf(stderr,
                            "Cannot write WKT for file %s as it is too long!\n",
                            fileNameToWrite);
                }
            }
            else if( eSrcSRSFormat == FORMAT_PROJ )
            {
                char* pszProj4 = nullptr;
                if( OSRExportToProj4(hSourceSRS, &pszProj4) == OGRERR_NONE )
                {
                    OGR_F_SetFieldString( hFeature, i_SrcSRSName, pszProj4 );
                    CPLFree(pszProj4);
                }
            }
            else if( eSrcSRSFormat == FORMAT_EPSG )
            {
                if( pszAuthorityName != nullptr && pszAuthorityCode != nullptr )
                    OGR_F_SetFieldString(
                        hFeature, i_SrcSRSName,
                        CPLSPrintf("%s:%s",
                                   pszAuthorityName, pszAuthorityCode) );
            }
        }
        if( hSourceSRS )
            OSRDestroySpatialReference( hSourceSRS );

        OGRGeometryH hPoly = OGR_G_CreateGeometry(wkbPolygon);
        OGRGeometryH hRing = OGR_G_CreateGeometry(wkbLinearRing);
        for( int k = 0; k < 5; k++ )
            OGR_G_SetPoint_2D(hRing, k, adfX[k], adfY[k]);
        OGR_G_AddGeometryDirectly( hPoly, hRing );
        OGR_F_SetGeometryDirectly( hFeature, hPoly );

        if( OGR_L_CreateFeature( hLayer, hFeature ) != OGRERR_NONE )
        {
           printf( "Failed to create feature in shapefile.\n" );
           break;
        }

        OGR_F_Destroy( hFeature );

        CPLFree(fileNameToWrite);

        GDALClose( hDS );
    }

    CPLFree(current_path);

    if (nExistingFiles)
    {
        for( int i = 0; i < nExistingFiles; i++ )
        {
            CPLFree(existingFilesTab[i]);
        }
        CPLFree(existingFilesTab);
    }
    CPLFree(alreadyExistingProjectionRef);

    if ( hTargetSRS )
        OSRDestroySpatialReference( hTargetSRS );

    GDALClose( hTileIndexDS );

    GDALDestroyDriverManager();
    OGRCleanupAll();
    CSLDestroy(argv);

    exit( 0 );
}
Esempio n. 6
0
int main(int argc, char *argv[])
{
    const char* pszIndexLayerName = NULL;
    const char *index_filename = NULL;
    const char *tile_index = "location";
    const char* pszDriverName = "ESRI Shapefile";
    size_t nMaxFieldSize = 254;
    int		i_arg, ti_field;
    OGRDataSourceH hTileIndexDS;
    OGRLayerH hLayer = NULL;
    OGRFeatureDefnH hFDefn;
    int write_absolute_path = FALSE;
    char* current_path = NULL;
    int i;
    int nExistingFiles;
    int skip_different_projection = FALSE;
    char** existingFilesTab = NULL;
    int alreadyExistingProjectionRefValid = FALSE;
    char* alreadyExistingProjectionRef = NULL;
    const char *pszTargetSRS = "";
    int bSetTargetSRS = FALSE;
    OGRSpatialReferenceH hTargetSRS = NULL;
    const char* pszSrcSRSName = NULL;
    int i_SrcSRSName = -1;
    int bSrcSRSFormatSpecified = FALSE;
    SrcSRSFormat eSrcSRSFormat = FORMAT_AUTO;

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

    GDALAllRegister();
    OGRRegisterAll();

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

/* -------------------------------------------------------------------- */
/*      Get commandline arguments other than the GDAL raster filenames. */
/* -------------------------------------------------------------------- */
    for( i_arg = 1; i_arg < argc; i_arg++ )
    {
        if( EQUAL(argv[i_arg], "--utility_version") )
        {
            printf("%s was compiled against GDAL %s and is running against GDAL %s\n",
                   argv[0], GDAL_RELEASE_NAME, GDALVersionInfo("RELEASE_NAME"));
            return 0;
        }
        else if( EQUAL(argv[i_arg],"--help") )
            Usage(NULL);
        else if( strcmp(argv[i_arg],"-f") == 0 )
        {
            CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(1);
            pszDriverName = argv[++i_arg];
            if( !EQUAL(pszDriverName, "ESRI Shapefile") )
                nMaxFieldSize = 0;
        }
        else if( strcmp(argv[i_arg],"-lyr_name") == 0 )
        {
            CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(1);
            pszIndexLayerName = argv[++i_arg];
        }
        else if( strcmp(argv[i_arg],"-tileindex") == 0 )
        {
            CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(1);
            tile_index = argv[++i_arg];
        }
        else if( strcmp(argv[i_arg],"-t_srs") == 0 )
        {
            CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(1);
            pszTargetSRS = argv[++i_arg];
            bSetTargetSRS = TRUE;
        }
        else if ( strcmp(argv[i_arg],"-write_absolute_path") == 0 )
        {
            write_absolute_path = TRUE;
        }
        else if ( strcmp(argv[i_arg],"-skip_different_projection") == 0 )
        {
            skip_different_projection = TRUE;
        }
        else if( strcmp(argv[i_arg], "-src_srs_name") == 0 )
        {
            CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(1);
            pszSrcSRSName = argv[++i_arg];
        }
        else if( strcmp(argv[i_arg], "-src_srs_format") == 0 )
        {
            const char* pszFormat;
            bSrcSRSFormatSpecified = TRUE;
            CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(1);
            pszFormat = argv[++i_arg];
            if( EQUAL(pszFormat, "AUTO") )
                eSrcSRSFormat = FORMAT_AUTO;
            else if( EQUAL(pszFormat, "WKT") )
                eSrcSRSFormat = FORMAT_WKT;
            else if( EQUAL(pszFormat, "EPSG") )
                eSrcSRSFormat = FORMAT_EPSG;
            else if( EQUAL(pszFormat, "PROJ") )
                eSrcSRSFormat = FORMAT_PROJ;
        }
        else if( argv[i_arg][0] == '-' )
            Usage(CPLSPrintf("Unknown option name '%s'", argv[i_arg]));
        else if( index_filename == NULL )
        {
            index_filename = argv[i_arg];
            i_arg++;
            break;
        }
    }
 
    if( index_filename == NULL )
        Usage("No index filename specified.");
    if( i_arg == argc )
        Usage("No file to index specified.");
    if( bSrcSRSFormatSpecified && pszSrcSRSName == NULL )
        Usage("-src_srs_name must be specified when -src_srs_format is specified.");

/* -------------------------------------------------------------------- */
/*      Create and validate target SRS if given.                        */
/* -------------------------------------------------------------------- */
   if( bSetTargetSRS )
   {  
       if ( skip_different_projection )
       {
           fprintf( stderr, 
                    "Warning : -skip_different_projection does not apply "
                    "when -t_srs is requested.\n" );
       }
       hTargetSRS = OSRNewSpatialReference("");
       if( OSRSetFromUserInput( hTargetSRS, pszTargetSRS ) != CE_None )
       {
           OSRDestroySpatialReference( hTargetSRS );
           fprintf( stderr, "Invalid target SRS `%s'.\n", 
                    pszTargetSRS );
           exit(1);
       }
   }

/* -------------------------------------------------------------------- */
/*      Open or create the target datasource                            */
/* -------------------------------------------------------------------- */
    hTileIndexDS = OGROpen( index_filename, TRUE, NULL );
    if (hTileIndexDS != NULL)
    {
        if( OGR_DS_GetLayerCount(hTileIndexDS) == 1 )
            hLayer = OGR_DS_GetLayer(hTileIndexDS, 0);
        else
        {
            if( pszIndexLayerName == NULL )
            {
                printf( "-lyr_name must be specified.\n" );
                exit( 1 );
            }
            CPLPushErrorHandler(CPLQuietErrorHandler);
            hLayer = OGR_DS_GetLayerByName(hTileIndexDS, pszIndexLayerName);
            CPLPopErrorHandler();
        }
    }
    else
    {
        OGRSFDriverH hDriver;

        printf( "Creating new index file...\n" );
        hDriver = OGRGetDriverByName( pszDriverName );
        if( hDriver == NULL )
        {
            printf( "%s driver not available.\n", pszDriverName );
            exit( 1 );
        }

        hTileIndexDS = OGR_Dr_CreateDataSource( hDriver, index_filename, NULL );
    }

    if( hTileIndexDS != NULL && hLayer == NULL )
    {
        OGRSpatialReferenceH hSpatialRef = NULL;
        char* pszLayerName;
        if( pszIndexLayerName == NULL )
        {
            VSIStatBuf sStat;
            if( EQUAL(pszDriverName, "ESRI Shapefile") ||
                VSIStat(index_filename, &sStat) == 0 )
                pszLayerName = CPLStrdup(CPLGetBasename(index_filename));
            else
            {
                printf( "-lyr_name must be specified.\n" );
                exit( 1 );
            }
        }
        else
            pszLayerName = CPLStrdup(pszIndexLayerName);

        /* get spatial reference for output file from target SRS (if set) */
        /* or from first input file */
        if( bSetTargetSRS )
        {
            hSpatialRef = OSRClone( hTargetSRS );
        }
        else
        {
            GDALDatasetH hDS = GDALOpen( argv[i_arg], GA_ReadOnly );
            if (hDS)
            {
                const char* pszWKT = GDALGetProjectionRef(hDS);
                if (pszWKT != NULL && pszWKT[0] != '\0')
                {
                    hSpatialRef = OSRNewSpatialReference(pszWKT);
                }
                GDALClose(hDS);
            }
        }

        hLayer = OGR_DS_CreateLayer( hTileIndexDS, pszLayerName, hSpatialRef, wkbPolygon, NULL );
        CPLFree(pszLayerName);
        if (hSpatialRef)
            OSRRelease(hSpatialRef);

        if (hLayer)
        {
            OGRFieldDefnH hFieldDefn = OGR_Fld_Create( tile_index, OFTString );
            if( nMaxFieldSize )
                OGR_Fld_SetWidth( hFieldDefn, nMaxFieldSize);
            OGR_L_CreateField( hLayer, hFieldDefn, TRUE );
            OGR_Fld_Destroy(hFieldDefn);
            if( pszSrcSRSName != NULL )
            {
                hFieldDefn = OGR_Fld_Create( pszSrcSRSName, OFTString );
                if( nMaxFieldSize )
                    OGR_Fld_SetWidth( hFieldDefn, nMaxFieldSize);
                OGR_L_CreateField( hLayer, hFieldDefn, TRUE );
                OGR_Fld_Destroy(hFieldDefn);
            }
        }
    }

    if( hTileIndexDS == NULL || hLayer == NULL )
    {
        fprintf( stderr, "Unable to open/create shapefile `%s'.\n", 
                 index_filename );
        exit(2);
    }

    hFDefn = OGR_L_GetLayerDefn(hLayer);

    ti_field = OGR_FD_GetFieldIndex( hFDefn, tile_index );
    if( ti_field < 0 )
    {
        fprintf( stderr, "Unable to find field `%s' in file `%s'.\n", 
                 tile_index, index_filename );
        exit(2);
    }
    
    if( pszSrcSRSName != NULL )
        i_SrcSRSName = OGR_FD_GetFieldIndex( hFDefn, pszSrcSRSName );

    /* Load in memory existing file names in SHP */
    nExistingFiles = (int)OGR_L_GetFeatureCount(hLayer, FALSE);
    if( nExistingFiles < 0)
        nExistingFiles = 0;
    if (nExistingFiles > 0)
    {
        OGRFeatureH hFeature;
        existingFilesTab = (char**)CPLMalloc(nExistingFiles * sizeof(char*));
        for(i=0;i<nExistingFiles;i++)
        {
            hFeature = OGR_L_GetNextFeature(hLayer);
            existingFilesTab[i] = CPLStrdup(OGR_F_GetFieldAsString( hFeature, ti_field ));
            if (i == 0)
            {
                GDALDatasetH hDS = GDALOpen(existingFilesTab[i], GA_ReadOnly );
                if (hDS)
                {
                    alreadyExistingProjectionRefValid = TRUE;
                    alreadyExistingProjectionRef = CPLStrdup(GDALGetProjectionRef(hDS));
                    GDALClose(hDS);
                }
            }
            OGR_F_Destroy( hFeature );
        }
    }

    if (write_absolute_path)
    {
        current_path = CPLGetCurrentDir();
        if (current_path == NULL)
        {
            fprintf( stderr, "This system does not support the CPLGetCurrentDir call. "
                             "The option -write_absolute_path will have no effect\n");
            write_absolute_path = FALSE;
        }
    }

/* -------------------------------------------------------------------- */
/*      loop over GDAL files, processing.                               */
/* -------------------------------------------------------------------- */
    for( ; i_arg < argc; i_arg++ )
    {
        GDALDatasetH	hDS;
        double	        adfGeoTransform[6];
        double		adfX[5], adfY[5];
        int		nXSize, nYSize;
        char* fileNameToWrite;
        const char* projectionRef;
        VSIStatBuf sStatBuf;
        int k;
        OGRFeatureH hFeature;
        OGRGeometryH hPoly, hRing;
        OGRSpatialReferenceH hSourceSRS = NULL;

        /* Make sure it is a file before building absolute path name */
        if (write_absolute_path && CPLIsFilenameRelative( argv[i_arg] ) &&
            VSIStat( argv[i_arg], &sStatBuf ) == 0)
        {
            fileNameToWrite = CPLStrdup(CPLProjectRelativeFilename(current_path, argv[i_arg]));
        }
        else
        {
            fileNameToWrite = CPLStrdup(argv[i_arg]);
        }

        /* Checks that file is not already in tileindex */
        for(i=0;i<nExistingFiles;i++)
        {
            if (EQUAL(fileNameToWrite, existingFilesTab[i]))
            {
                fprintf(stderr, "File %s is already in tileindex. Skipping it.\n",
                        fileNameToWrite);
                break;
            }
        }
        if (i != nExistingFiles)
        {
            CPLFree(fileNameToWrite);
            continue;
        }

        hDS = GDALOpen( argv[i_arg], GA_ReadOnly );
        if( hDS == NULL )
        {
            fprintf( stderr, "Unable to open %s, skipping.\n", 
                     argv[i_arg] );
            CPLFree(fileNameToWrite);
            continue;
        }

        GDALGetGeoTransform( hDS, adfGeoTransform );
        if( adfGeoTransform[0] == 0.0 
            && adfGeoTransform[1] == 1.0
            && adfGeoTransform[3] == 0.0
            && ABS(adfGeoTransform[5]) == 1.0 )
        {
            fprintf( stderr, 
                     "It appears no georeferencing is available for\n"
                     "`%s', skipping.\n", 
                     argv[i_arg] );
            GDALClose( hDS );
            CPLFree(fileNameToWrite);
            continue;
        }

        projectionRef = GDALGetProjectionRef(hDS);

        /* if not set target srs, test that the current file uses same projection as others */
        if( !bSetTargetSRS )
        { 
            if (alreadyExistingProjectionRefValid)
            {
                int projectionRefNotNull, alreadyExistingProjectionRefNotNull;
                projectionRefNotNull = projectionRef && projectionRef[0];
                alreadyExistingProjectionRefNotNull = alreadyExistingProjectionRef && alreadyExistingProjectionRef[0];
                if ((projectionRefNotNull &&
                     alreadyExistingProjectionRefNotNull &&
                     EQUAL(projectionRef, alreadyExistingProjectionRef) == 0) ||
                    (projectionRefNotNull != alreadyExistingProjectionRefNotNull))
                {
                    fprintf(stderr, "Warning : %s is not using the same projection system as "
                            "other files in the tileindex.\n"
			    "This may cause problems when using it in MapServer for example.\n"
                            "Use -t_srs option to set target projection system (not supported by MapServer).\n"
                            "%s\n", argv[i_arg],
                            (skip_different_projection) ? "Skipping this file." : "");
                    if (skip_different_projection)
                    {
                        CPLFree(fileNameToWrite);
                        GDALClose( hDS );
                        continue;
                    }
                }
            }
            else
            {
                alreadyExistingProjectionRefValid = TRUE;
                alreadyExistingProjectionRef = CPLStrdup(projectionRef);
            }
        }

        nXSize = GDALGetRasterXSize( hDS );
        nYSize = GDALGetRasterYSize( hDS );
        
        adfX[0] = adfGeoTransform[0] 
            + 0 * adfGeoTransform[1] 
            + 0 * adfGeoTransform[2];
        adfY[0] = adfGeoTransform[3] 
            + 0 * adfGeoTransform[4] 
            + 0 * adfGeoTransform[5];
        
        adfX[1] = adfGeoTransform[0] 
            + nXSize * adfGeoTransform[1] 
            + 0 * adfGeoTransform[2];
        adfY[1] = adfGeoTransform[3] 
            + nXSize * adfGeoTransform[4] 
            + 0 * adfGeoTransform[5];
        
        adfX[2] = adfGeoTransform[0] 
            + nXSize * adfGeoTransform[1] 
            + nYSize * adfGeoTransform[2];
        adfY[2] = adfGeoTransform[3] 
            + nXSize * adfGeoTransform[4] 
            + nYSize * adfGeoTransform[5];
        
        adfX[3] = adfGeoTransform[0] 
            + 0 * adfGeoTransform[1] 
            + nYSize * adfGeoTransform[2];
        adfY[3] = adfGeoTransform[3] 
            + 0 * adfGeoTransform[4] 
            + nYSize * adfGeoTransform[5];
        
        adfX[4] = adfGeoTransform[0] 
            + 0 * adfGeoTransform[1] 
            + 0 * adfGeoTransform[2];
        adfY[4] = adfGeoTransform[3] 
            + 0 * adfGeoTransform[4] 
            + 0 * adfGeoTransform[5];

        if( (bSetTargetSRS || i_SrcSRSName >= 0) && projectionRef != NULL && projectionRef[0] != '\0' )
            hSourceSRS = OSRNewSpatialReference( projectionRef );

        /* if set target srs, do the forward transformation of all points */
        if( bSetTargetSRS && projectionRef != NULL && projectionRef[0] != '\0' )
        {
            OGRCoordinateTransformationH hCT = NULL;
            if( hSourceSRS && !OSRIsSame( hSourceSRS, hTargetSRS ) )
            {
                hCT = OCTNewCoordinateTransformation( hSourceSRS, hTargetSRS );
                if( hCT == NULL || !OCTTransform( hCT, 5, adfX, adfY, NULL ) )
                {
                    fprintf( stderr, 
                             "Warning : unable to transform points from source SRS `%s' to target SRS `%s'\n"
                             "for file `%s' - file skipped\n", 
                             projectionRef, pszTargetSRS, fileNameToWrite );
                    if ( hCT ) 
                        OCTDestroyCoordinateTransformation( hCT );
                    if ( hSourceSRS )
                        OSRDestroySpatialReference( hSourceSRS );
                    continue;
                }
                if ( hCT ) 
                    OCTDestroyCoordinateTransformation( hCT );
            }
        }

        hFeature = OGR_F_Create( OGR_L_GetLayerDefn( hLayer ) );
        OGR_F_SetFieldString( hFeature, ti_field, fileNameToWrite );

        if( i_SrcSRSName >= 0 && hSourceSRS != NULL )
        {
            const char* pszAuthorityCode = OSRGetAuthorityCode(hSourceSRS, NULL);
            const char* pszAuthorityName = OSRGetAuthorityName(hSourceSRS, NULL);
            if( eSrcSRSFormat == FORMAT_AUTO )
            {
                if( pszAuthorityName != NULL && pszAuthorityCode != NULL )
                    OGR_F_SetFieldString( hFeature, i_SrcSRSName,
                                        CPLSPrintf("%s:%s", pszAuthorityName, pszAuthorityCode) );
                else if( nMaxFieldSize == 0 || strlen(projectionRef) <= nMaxFieldSize )
                    OGR_F_SetFieldString( hFeature, i_SrcSRSName, projectionRef );
                else
                {
                    char* pszProj4 = NULL;
                    if( OSRExportToProj4(hSourceSRS, &pszProj4) == OGRERR_NONE )
                    {
                        OGR_F_SetFieldString( hFeature, i_SrcSRSName, pszProj4 );
                        CPLFree(pszProj4);
                    }
                    else
                        OGR_F_SetFieldString( hFeature, i_SrcSRSName, projectionRef );
                }
            }
            else if( eSrcSRSFormat == FORMAT_WKT )
            {
                if( nMaxFieldSize == 0 || strlen(projectionRef) <= nMaxFieldSize )
                    OGR_F_SetFieldString( hFeature, i_SrcSRSName, projectionRef );
            }
            else if( eSrcSRSFormat == FORMAT_PROJ )
            {
                char* pszProj4 = NULL;
                if( OSRExportToProj4(hSourceSRS, &pszProj4) == OGRERR_NONE )
                {
                    OGR_F_SetFieldString( hFeature, i_SrcSRSName, pszProj4 );
                    CPLFree(pszProj4);
                }
            }
            else if( eSrcSRSFormat == FORMAT_EPSG )
            {
                if( pszAuthorityName != NULL && pszAuthorityCode != NULL )
                    OGR_F_SetFieldString( hFeature, i_SrcSRSName,
                                        CPLSPrintf("%s:%s", pszAuthorityName, pszAuthorityCode) );
            }
        }
        if( hSourceSRS )
            OSRDestroySpatialReference( hSourceSRS );

        hPoly = OGR_G_CreateGeometry(wkbPolygon);
        hRing = OGR_G_CreateGeometry(wkbLinearRing);
        for(k=0;k<5;k++)
            OGR_G_SetPoint_2D(hRing, k, adfX[k], adfY[k]);
        OGR_G_AddGeometryDirectly( hPoly, hRing );
        OGR_F_SetGeometryDirectly( hFeature, hPoly );

        if( OGR_L_CreateFeature( hLayer, hFeature ) != OGRERR_NONE )
        {
           printf( "Failed to create feature in shapefile.\n" );
           break;
        }

        OGR_F_Destroy( hFeature );

        
        CPLFree(fileNameToWrite);

        GDALClose( hDS );
    }
    
    CPLFree(current_path);
    
    if (nExistingFiles)
    {
        for(i=0;i<nExistingFiles;i++)
        {
            CPLFree(existingFilesTab[i]);
        }
        CPLFree(existingFilesTab);
    }
    CPLFree(alreadyExistingProjectionRef);

    if ( hTargetSRS )
        OSRDestroySpatialReference( hTargetSRS );

    OGR_DS_Destroy( hTileIndexDS );
    
    GDALDestroyDriverManager();
    OGRCleanupAll();
    CSLDestroy(argv);
    
    exit( 0 );
}