int main( int argc, char ** argv )
{
    GDALDriverH     hDriver;
    const char      *pszSource=NULL, *pszDest=NULL, *pszFormat = "GTiff";
    int             bFormatExplicitelySet = FALSE;
    char            **papszLayers = NULL;
    const char      *pszBurnAttribute = NULL;
    double          dfIncreaseBurnValue = 0.0;
    double          dfMultiplyBurnValue = 1.0;
    const char      *pszWHERE = NULL, *pszSQL = NULL;
    GDALDataType    eOutputType = GDT_Float64;
    char            **papszCreateOptions = NULL;
    GUInt32         nXSize = 0, nYSize = 0;
    double          dfXMin = 0.0, dfXMax = 0.0, dfYMin = 0.0, dfYMax = 0.0;
    int             bIsXExtentSet = FALSE, bIsYExtentSet = FALSE;
    GDALGridAlgorithm eAlgorithm = GGA_InverseDistanceToAPower;
    void            *pOptions = NULL;
    char            *pszOutputSRS = NULL;
    int             bQuiet = FALSE;
    GDALProgressFunc pfnProgress = GDALTermProgress;
    int             i;
    OGRGeometry     *poSpatialFilter = NULL;
    int             bClipSrc = FALSE;
    OGRGeometry     *poClipSrc = NULL;
    const char      *pszClipSrcDS = NULL;
    const char      *pszClipSrcSQL = NULL;
    const char      *pszClipSrcLayer = NULL;
    const char      *pszClipSrcWhere = NULL;

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

    GDALAllRegister();
    OGRRegisterAll();

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

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

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

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

            if( eOutputType == GDT_Unknown )
            {
                Usage(CPLSPrintf("Unknown output pixel type: %s.",
                                 argv[i + 1] ));
            }
            i++;
        }

        else if( EQUAL(argv[i],"-txe") )
        {
            CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(2);
            dfXMin = atof(argv[++i]);
            dfXMax = atof(argv[++i]);
            bIsXExtentSet = TRUE;
        }   

        else if( EQUAL(argv[i],"-tye") )
        {
            CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(2);
            dfYMin = atof(argv[++i]);
            dfYMax = atof(argv[++i]);
            bIsYExtentSet = TRUE;
        }   

        else if( EQUAL(argv[i],"-outsize") )
        {
            CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(2);
            nXSize = atoi(argv[++i]);
            nYSize = atoi(argv[++i]);
        }   

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

        else if( EQUAL(argv[i],"-zfield") )
        {
            CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(1);
            pszBurnAttribute = argv[++i];
        }

        else if( EQUAL(argv[i],"-z_increase") )
        {
            CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(1);
            dfIncreaseBurnValue = atof(argv[++i]);
        }

        else if( EQUAL(argv[i],"-z_multiply") )
        {
            CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(1);
            dfMultiplyBurnValue = atof(argv[++i]);
        }

        else if( EQUAL(argv[i],"-where") )
        {
            CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(1);
            pszWHERE = argv[++i];
        }

        else if( EQUAL(argv[i],"-l") )
        {
            CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(1);
            papszLayers = CSLAddString( papszLayers, argv[++i] );
        }

        else if( EQUAL(argv[i],"-sql") )
        {
            CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(1);
            pszSQL = argv[++i];
        }

        else if( EQUAL(argv[i],"-spat") )
        {
            CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(4);
            OGRLinearRing  oRing;

            oRing.addPoint( atof(argv[i+1]), atof(argv[i+2]) );
            oRing.addPoint( atof(argv[i+1]), atof(argv[i+4]) );
            oRing.addPoint( atof(argv[i+3]), atof(argv[i+4]) );
            oRing.addPoint( atof(argv[i+3]), atof(argv[i+2]) );
            oRing.addPoint( atof(argv[i+1]), atof(argv[i+2]) );

            poSpatialFilter = new OGRPolygon();
            ((OGRPolygon *) poSpatialFilter)->addRing( &oRing );
            i += 4;
        }

        else if ( EQUAL(argv[i],"-clipsrc") )
        {
            if (i + 1 >= argc)
                Usage(CPLSPrintf("%s option requires 1 or 4 arguments", argv[i]));

            bClipSrc = TRUE;
            errno = 0;
            const double unused = strtod( argv[i + 1], NULL );    // XXX: is it a number or not?
            if ( errno != 0
                 && argv[i + 2] != NULL
                 && argv[i + 3] != NULL
                 && argv[i + 4] != NULL)
            {
                OGRLinearRing  oRing;

                oRing.addPoint( atof(argv[i + 1]), atof(argv[i + 2]) );
                oRing.addPoint( atof(argv[i + 1]), atof(argv[i + 4]) );
                oRing.addPoint( atof(argv[i + 3]), atof(argv[i + 4]) );
                oRing.addPoint( atof(argv[i + 3]), atof(argv[i + 2]) );
                oRing.addPoint( atof(argv[i + 1]), atof(argv[i + 2]) );

                poClipSrc = new OGRPolygon();
                ((OGRPolygon *) poClipSrc)->addRing( &oRing );
                i += 4;

                (void)unused;
            }
            else if (EQUALN(argv[i + 1], "POLYGON", 7)
                     || EQUALN(argv[i + 1], "MULTIPOLYGON", 12))
            {
                OGRGeometryFactory::createFromWkt(&argv[i + 1], NULL, &poClipSrc);
                if ( poClipSrc == NULL )
                {
                    Usage("Invalid geometry. "
                             "Must be a valid POLYGON or MULTIPOLYGON WKT.");
                }
                i++;
            }
            else if (EQUAL(argv[i + 1], "spat_extent") )
            {
                i++;
            }
            else
            {
                pszClipSrcDS = argv[i + 1];
                i++;
            }
        }

        else if ( EQUAL(argv[i], "-clipsrcsql") )
        {
            CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(1);
            pszClipSrcSQL = argv[i + 1];
            i++;
        }

        else if ( EQUAL(argv[i], "-clipsrclayer") )
        {
            CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(1);
            pszClipSrcLayer = argv[i + 1];
            i++;
        }

        else if ( EQUAL(argv[i], "-clipsrcwhere") )
        {
            CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(1);
            pszClipSrcWhere = argv[i + 1];
            i++;
        }

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

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

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

        else if( EQUAL(argv[i],"-a") )
        {
            CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(1);
            if ( ParseAlgorithmAndOptions( argv[++i], &eAlgorithm, &pOptions )
                 != CE_None )
            {
                fprintf( stderr,
                         "Failed to process algorithm name and parameters.\n" );
                exit( 1 );
            }
        }

        else if( argv[i][0] == '-' )
        {
            Usage(CPLSPrintf("Unknown option name '%s'", argv[i]));
        }

        else if( pszSource == NULL )
        {
            pszSource = argv[i];
        }

        else if( pszDest == NULL )
        {
            pszDest = argv[i];
        }

        else
        {
            Usage("Too many command options.");
        }
    }

    if( pszSource == NULL )
    {
        Usage("Source datasource is not specified.");
    }
    if( pszDest == NULL )
    {
        Usage("Target dataset is not specified.");
    }
    if( pszSQL == NULL && papszLayers == NULL )
    {
        Usage("Neither -sql nor -l are specified.");
    }
    
    if ( bClipSrc && pszClipSrcDS != NULL )
    {
        poClipSrc = LoadGeometry( pszClipSrcDS, pszClipSrcSQL,
                                  pszClipSrcLayer, pszClipSrcWhere );
        if ( poClipSrc == NULL )
        {
            Usage("Cannot load source clip geometry.");
        }
    }
    else if ( bClipSrc && poClipSrc == NULL && !poSpatialFilter )
    {
        Usage("-clipsrc must be used with -spat option or \n"
                 "a bounding box, WKT string or datasource must be "
                 "specified.");
    }

    if ( poSpatialFilter )
    {
        if ( poClipSrc )
        {
            OGRGeometry *poTemp = poSpatialFilter->Intersection( poClipSrc );

            if ( poTemp )
            {
                OGRGeometryFactory::destroyGeometry( poSpatialFilter );
                poSpatialFilter = poTemp;
            }

            OGRGeometryFactory::destroyGeometry( poClipSrc );
            poClipSrc = NULL;
        }
    }
    else
    {
        if ( poClipSrc )
        {
            poSpatialFilter = poClipSrc;
            poClipSrc = NULL;
        }
    }

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

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

/* -------------------------------------------------------------------- */
/*      Open input datasource.                                          */
/* -------------------------------------------------------------------- */
    OGRDataSourceH hSrcDS;

    hSrcDS = OGROpen( pszSource, FALSE, NULL );
    if( hSrcDS == NULL )
    {
        fprintf( stderr, "Unable to open input datasource \"%s\".\n",
                 pszSource );
        fprintf( stderr, "%s\n", CPLGetLastErrorMsg() );
        exit( 3 );
    }

/* -------------------------------------------------------------------- */
/*      Create target raster file.                                      */
/* -------------------------------------------------------------------- */
    GDALDatasetH    hDstDS;
    int             nLayerCount = CSLCount(papszLayers);
    int             nBands = nLayerCount;

    if ( pszSQL )
        nBands++;

    // FIXME
    if ( nXSize == 0 )
        nXSize = 256;
    if ( nYSize == 0 )
        nYSize = 256;

    if (!bQuiet && !bFormatExplicitelySet)
        CheckExtensionConsistency(pszDest, pszFormat);

    hDstDS = GDALCreate( hDriver, pszDest, nXSize, nYSize, nBands,
                         eOutputType, papszCreateOptions );
    if ( hDstDS == NULL )
    {
        fprintf( stderr, "Unable to create target dataset \"%s\".\n",
                 pszDest );
        fprintf( stderr, "%s\n", CPLGetLastErrorMsg() );
        exit( 3 );
    }

/* -------------------------------------------------------------------- */
/*      If algorithm was not specified assigh default one.              */
/* -------------------------------------------------------------------- */
    if ( !pOptions )
        ParseAlgorithmAndOptions( szAlgNameInvDist, &eAlgorithm, &pOptions );

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

        hLayer = OGR_DS_ExecuteSQL( hSrcDS, pszSQL,
                                    (OGRGeometryH)poSpatialFilter, NULL ); 
        if( hLayer != NULL )
        {
            // Custom layer will be rasterized in the first band.
            ProcessLayer( hLayer, hDstDS, poSpatialFilter, nXSize, nYSize, 1,
                          bIsXExtentSet, bIsYExtentSet,
                          dfXMin, dfXMax, dfYMin, dfYMax, pszBurnAttribute,
                          dfIncreaseBurnValue, dfMultiplyBurnValue, eOutputType, eAlgorithm, pOptions,
                          bQuiet, pfnProgress );
        }
    }

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

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

        if ( poSpatialFilter != NULL )
            OGR_L_SetSpatialFilter( hLayer, (OGRGeometryH)poSpatialFilter );

        // Fetch the first meaningful SRS definition
        if ( !pszOutputSRS )
        {
            OGRSpatialReferenceH hSRS = OGR_L_GetSpatialRef( hLayer );
            if ( hSRS )
                OSRExportToWkt( hSRS, &pszOutputSRS );
        }

        ProcessLayer( hLayer, hDstDS, poSpatialFilter, nXSize, nYSize,
                      i + 1 + nBands - nLayerCount,
                      bIsXExtentSet, bIsYExtentSet,
                      dfXMin, dfXMax, dfYMin, dfYMax, pszBurnAttribute,
                      dfIncreaseBurnValue, dfMultiplyBurnValue, eOutputType, eAlgorithm, pOptions,
                      bQuiet, pfnProgress );
    }

/* -------------------------------------------------------------------- */
/*      Apply geotransformation matrix.                                 */
/* -------------------------------------------------------------------- */
    double  adfGeoTransform[6];
    adfGeoTransform[0] = dfXMin;
    adfGeoTransform[1] = (dfXMax - dfXMin) / nXSize;
    adfGeoTransform[2] = 0.0;
    adfGeoTransform[3] = dfYMin;
    adfGeoTransform[4] = 0.0;
    adfGeoTransform[5] = (dfYMax - dfYMin) / nYSize;
    GDALSetGeoTransform( hDstDS, adfGeoTransform );

/* -------------------------------------------------------------------- */
/*      Apply SRS definition if set.                                    */
/* -------------------------------------------------------------------- */
    if ( pszOutputSRS )
    {
        GDALSetProjection( hDstDS, pszOutputSRS );
        CPLFree( pszOutputSRS );
    }

/* -------------------------------------------------------------------- */
/*      Cleanup                                                         */
/* -------------------------------------------------------------------- */
    OGR_DS_Destroy( hSrcDS );
    GDALClose( hDstDS );
    OGRGeometryFactory::destroyGeometry( poSpatialFilter );

    CPLFree( pOptions );
    CSLDestroy( papszCreateOptions );
    CSLDestroy( argv );
    CSLDestroy( papszLayers );

    OGRCleanupAll();

    GDALDestroyDriverManager();
 
    return 0;
}
예제 #2
0
GDALDatasetH GDALRasterize( const char *pszDest, GDALDatasetH hDstDS,
                            GDALDatasetH hSrcDataset,
                            const GDALRasterizeOptions *psOptionsIn, int *pbUsageError )
{
    if( pszDest == NULL && hDstDS == NULL )
    {
        CPLError( CE_Failure, CPLE_AppDefined, "pszDest == NULL && hDstDS == NULL");

        if(pbUsageError)
            *pbUsageError = TRUE;
        return NULL;
    }
    if( hSrcDataset == NULL )
    {
        CPLError( CE_Failure, CPLE_AppDefined, "hSrcDataset== NULL");

        if(pbUsageError)
            *pbUsageError = TRUE;
        return NULL;
    }
    if( hDstDS != NULL && psOptionsIn && psOptionsIn->bCreateOutput )
    {
        CPLError( CE_Failure, CPLE_AppDefined, "hDstDS != NULL but options that imply creating a new dataset have been set.");

        if(pbUsageError)
            *pbUsageError = TRUE;
        return NULL;
    }

    GDALRasterizeOptions* psOptionsToFree = NULL;
    const GDALRasterizeOptions* psOptions;
    if( psOptionsIn )
        psOptions = psOptionsIn;
    else
    {
        psOptionsToFree = GDALRasterizeOptionsNew(NULL, NULL);
        psOptions = psOptionsToFree;
    }

    int bCloseOutDSOnError = (hDstDS == NULL);
    if( pszDest == NULL )
        pszDest = GDALGetDescription(hDstDS);

    if( psOptions->pszSQL == NULL && psOptions->papszLayers == NULL &&
        GDALDatasetGetLayerCount(hSrcDataset) != 1 )
    {
        CPLError(CE_Failure, CPLE_NotSupported,
                 "Neither -sql nor -l are specified, but the source dataset has not one single layer.");
        if( pbUsageError )
            *pbUsageError = TRUE;
        GDALRasterizeOptionsFree(psOptionsToFree);
        return NULL;
    }

/* -------------------------------------------------------------------- */
/*      Open target raster file.  Eventually we will add optional       */
/*      creation.                                                       */
/* -------------------------------------------------------------------- */
    int bCreateOutput = psOptions->bCreateOutput;
    if( hDstDS == NULL )
        bCreateOutput = TRUE;

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

            CPLError( CE_Failure, CPLE_NotSupported,
                      "Output driver `%s' not recognised or does not support "
                      " direct output file creation.", psOptions->pszFormat);
            fprintf(stderr, "The following format drivers are configured\n"
                    "and support direct output:\n" );

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

                if( GDALGetMetadataItem( hDriver, GDAL_DCAP_CREATE, NULL) != NULL )
                {
                    fprintf(stderr, "  %s: %s\n",
                            GDALGetDriverShortName( hDriver  ),
                            GDALGetDriverLongName( hDriver ) );
                }
            }
            fprintf(stderr, "\n" );
            GDALRasterizeOptionsFree(psOptionsToFree);
            return NULL;
        }
    }

/* -------------------------------------------------------------------- */
/*      Process SQL request.                                            */
/* -------------------------------------------------------------------- */
    CPLErr eErr = CE_Failure;

    if( psOptions->pszSQL != NULL )
    {
        OGRLayerH hLayer;

        hLayer = GDALDatasetExecuteSQL( hSrcDataset, psOptions->pszSQL, NULL, psOptions->pszDialect );
        if( hLayer != NULL )
        {
            if (bCreateOutput)
            {
                std::vector<OGRLayerH> ahLayers;
                ahLayers.push_back(hLayer);

                hDstDS = CreateOutputDataset(ahLayers, psOptions->hSRS,
                                 psOptions->bGotBounds, psOptions->sEnvelop,
                                 hDriver, pszDest,
                                 psOptions->nXSize, psOptions->nYSize, psOptions->dfXRes, psOptions->dfYRes,
                                 psOptions->bTargetAlignedPixels,
                                 static_cast<int>(psOptions->anBandList.size()), psOptions->eOutputType,
                                 psOptions->papszCreationOptions, psOptions->adfInitVals,
                                 psOptions->bNoDataSet, psOptions->dfNoData);
                if( hDstDS == NULL )
                {
                    GDALDatasetReleaseResultSet( hSrcDataset, hLayer );
                    GDALRasterizeOptionsFree(psOptionsToFree);
                    return NULL;
                }
            }

            eErr = ProcessLayer( hLayer, psOptions->hSRS != NULL, hDstDS, psOptions->anBandList,
                          psOptions->adfBurnValues, psOptions->b3D, psOptions->bInverse, psOptions->pszBurnAttribute,
                          psOptions->papszRasterizeOptions, psOptions->pfnProgress, psOptions->pProgressData );

            GDALDatasetReleaseResultSet( hSrcDataset, hLayer );
        }
    }

/* -------------------------------------------------------------------- */
/*      Create output file if necessary.                                */
/* -------------------------------------------------------------------- */
    int nLayerCount = (psOptions->pszSQL == NULL && psOptions->papszLayers == NULL) ? 1 : CSLCount(psOptions->papszLayers);

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

        for( int i = 0; i < nLayerCount; i++ )
        {
            OGRLayerH hLayer;
            if( psOptions->papszLayers )
                hLayer = GDALDatasetGetLayerByName( hSrcDataset, psOptions->papszLayers[i] );
            else
                hLayer = GDALDatasetGetLayer(hSrcDataset, 0);
            if( hLayer == NULL )
            {
                continue;
            }
            ahLayers.push_back(hLayer);
        }

        hDstDS = CreateOutputDataset(ahLayers, psOptions->hSRS,
                                psOptions->bGotBounds, psOptions->sEnvelop,
                                hDriver, pszDest,
                                psOptions->nXSize, psOptions->nYSize, psOptions->dfXRes, psOptions->dfYRes,
                                psOptions->bTargetAlignedPixels,
                                static_cast<int>(psOptions->anBandList.size()), psOptions->eOutputType,
                                psOptions->papszCreationOptions, psOptions->adfInitVals,
                                psOptions->bNoDataSet, psOptions->dfNoData);
        if( hDstDS == NULL )
        {
            GDALRasterizeOptionsFree(psOptionsToFree);
            return NULL;
        }
    }

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

    for( int i = 0; i < nLayerCount; i++ )
    {
        OGRLayerH hLayer;
        if( psOptions->papszLayers )
            hLayer = GDALDatasetGetLayerByName( hSrcDataset, psOptions->papszLayers[i] );
        else
            hLayer = GDALDatasetGetLayer(hSrcDataset, 0);
        if( hLayer == NULL )
        {
            CPLError(CE_Failure, CPLE_AppDefined, "Unable to find layer \"%s\", skipping.",
                     psOptions->papszLayers ? psOptions->papszLayers[i] : "0" );
            continue;
        }

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

        void *pScaledProgress;
        pScaledProgress =
            GDALCreateScaledProgress( 0.0, 1.0 * (i + 1) / nLayerCount,
                                      psOptions->pfnProgress, psOptions->pProgressData );

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

        GDALDestroyScaledProgress( pScaledProgress );
        if( eErr != CE_None )
            break;
    }

    GDALRasterizeOptionsFree(psOptionsToFree);

    if( eErr != CE_None )
    {
        if( bCloseOutDSOnError )
            GDALClose(hDstDS);
        return NULL;
    }

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

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

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

    GDALAllRegister();
    OGRRegisterAll();

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

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

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

            i++;
            bCreateOutput = TRUE;
        }   

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

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

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

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

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

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

        int nBandCount = 1;

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

            OGR_DS_ReleaseResultSet( hSrcDS, hLayer );
        }
    }

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

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

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

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

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

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

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

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

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

        GDALDestroyScaledProgress( pScaledProgress );
    }

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

    OGR_DS_Destroy( hSrcDS );
    GDALClose( hDstDS );

    OSRDestroySpatialReference(hSRS);

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

    return 0;
}