コード例 #1
0
bool OGRAmigoCloudDataSource::ListDatasets()
{
    std::stringstream url;
    url << std::string(GetAPIURL()) << "/users/0/projects/" << std::string(GetProjectId()) << "/datasets/?summary";
    json_object* result = RunGET(url.str().c_str());
    if( result == nullptr ) {
        CPLError(CE_Failure, CPLE_AppDefined, "AmigoCloud:get failed.");
        return false;
    }

    if( result != nullptr )
    {
        auto type = json_object_get_type(result);
        if(type == json_type_object)
        {
            json_object *poResults = CPL_json_object_object_get(result, "results");
            if(poResults != nullptr &&
                json_object_get_type(poResults) == json_type_array)
            {
                CPLprintf("List of available datasets for project id: %s\n", GetProjectId());
                CPLprintf("| id \t | name\n");
                CPLprintf("|--------|-------------------\n");
                const auto nSize = json_object_array_length(poResults);
                for(auto i = decltype(nSize){0}; i < nSize; ++i) {
                    json_object *ds = json_object_array_get_idx(poResults, i);
                    if(ds!=nullptr) {
                        const char *name = nullptr;
                        int64_t dataset_id = 0;
                        json_object *poName = CPL_json_object_object_get(ds, "name");
                        if (poName != nullptr) {
                            name = json_object_get_string(poName);
                        }
                        json_object *poId = CPL_json_object_object_get(ds, "id");
                        if (poId != nullptr) {
                            dataset_id = json_object_get_int64(poId);
                        }
                        if (name != nullptr) {
                            std::stringstream str;
                            str << "| " << dataset_id << "\t | " << name;
                            CPLprintf("%s\n", str.str().c_str());
                        }
                    }
                }
            }
        }
        json_object_put(result);
    }
    return true;
}
コード例 #2
0
ファイル: gnmanalyse.cpp プロジェクト: rashadkm/lib_gdal
static void ReportOnLayer( OGRLayer * poLayer, int bVerbose )

{
    OGRFeatureDefn      *poDefn = poLayer->GetLayerDefn();


/* -------------------------------------------------------------------- */
/*      Report various overall information.                             */
/* -------------------------------------------------------------------- */
    printf( "\n" );

    printf( "Layer name: %s\n", poLayer->GetName() );

    if( bVerbose )
    {
        int nGeomFieldCount =
            poLayer->GetLayerDefn()->GetGeomFieldCount();
        if( nGeomFieldCount > 1 )
        {
            for(int iGeom = 0;iGeom < nGeomFieldCount; iGeom ++ )
            {
                OGRGeomFieldDefn* poGFldDefn =
                    poLayer->GetLayerDefn()->GetGeomFieldDefn(iGeom);
                printf( "Geometry (%s): %s\n", poGFldDefn->GetNameRef(),
                    OGRGeometryTypeToName( poGFldDefn->GetType() ) );
            }
        }
        else
        {
            printf( "Geometry: %s\n",
                    OGRGeometryTypeToName( poLayer->GetGeomType() ) );
        }

        printf( "Feature Count: " CPL_FRMT_GIB "\n", poLayer->GetFeatureCount() );

        OGREnvelope oExt;
        if( nGeomFieldCount > 1 )
        {
            for(int iGeom = 0;iGeom < nGeomFieldCount; iGeom ++ )
            {
                if (poLayer->GetExtent(iGeom, &oExt, TRUE) == OGRERR_NONE)
                {
                    OGRGeomFieldDefn* poGFldDefn =
                        poLayer->GetLayerDefn()->GetGeomFieldDefn(iGeom);
                    CPLprintf("Extent (%s): (%f, %f) - (%f, %f)\n",
                           poGFldDefn->GetNameRef(),
                           oExt.MinX, oExt.MinY, oExt.MaxX, oExt.MaxY);
                }
            }
        }
        else if ( poLayer->GetExtent(&oExt, TRUE) == OGRERR_NONE)
        {
            CPLprintf("Extent: (%f, %f) - (%f, %f)\n",
                   oExt.MinX, oExt.MinY, oExt.MaxX, oExt.MaxY);
        }

        char    *pszWKT;

        if( nGeomFieldCount > 1 )
        {
            for(int iGeom = 0;iGeom < nGeomFieldCount; iGeom ++ )
            {
                OGRGeomFieldDefn* poGFldDefn =
                    poLayer->GetLayerDefn()->GetGeomFieldDefn(iGeom);
                OGRSpatialReference* poSRS = poGFldDefn->GetSpatialRef();
                if( poSRS == NULL )
                    pszWKT = CPLStrdup( "(unknown)" );
                else
                {
                    poSRS->exportToPrettyWkt( &pszWKT );
                }

                printf( "SRS WKT (%s):\n%s\n",
                        poGFldDefn->GetNameRef(), pszWKT );
                CPLFree( pszWKT );
            }
        }
        else
        {
            if( poLayer->GetSpatialRef() == NULL )
                pszWKT = CPLStrdup( "(unknown)" );
            else
            {
                poLayer->GetSpatialRef()->exportToPrettyWkt( &pszWKT );
            }

            printf( "Layer SRS WKT:\n%s\n", pszWKT );
            CPLFree( pszWKT );
        }

        if( strlen(poLayer->GetFIDColumn()) > 0 )
            printf( "FID Column = %s\n",
                    poLayer->GetFIDColumn() );

        for(int iGeom = 0;iGeom < nGeomFieldCount; iGeom ++ )
        {
            OGRGeomFieldDefn* poGFldDefn =
                poLayer->GetLayerDefn()->GetGeomFieldDefn(iGeom);
            if( nGeomFieldCount == 1 &&
                EQUAL(poGFldDefn->GetNameRef(), "")  && poGFldDefn->IsNullable() )
                break;
            printf( "Geometry Column ");
            if( nGeomFieldCount > 1 )
                printf("%d ", iGeom + 1);
            if( !poGFldDefn->IsNullable() )
                printf("NOT NULL ");
            printf("= %s\n", poGFldDefn->GetNameRef() );
        }

        for( int iAttr = 0; iAttr < poDefn->GetFieldCount(); iAttr++ )
        {
            OGRFieldDefn    *poField = poDefn->GetFieldDefn( iAttr );
            const char* pszType = (poField->GetSubType() != OFSTNone) ?
                CPLSPrintf("%s(%s)",
                           poField->GetFieldTypeName( poField->GetType() ),
                           poField->GetFieldSubTypeName(poField->GetSubType())) :
                poField->GetFieldTypeName( poField->GetType() );
            printf( "%s: %s (%d.%d)",
                    poField->GetNameRef(),
                    pszType,
                    poField->GetWidth(),
                    poField->GetPrecision() );
            if( !poField->IsNullable() )
                printf(" NOT NULL");
            if( poField->GetDefault() != NULL )
                printf(" DEFAULT %s", poField->GetDefault() );
            printf( "\n" );
        }
    }

/* -------------------------------------------------------------------- */
/*      Read, and dump features.                                        */
/* -------------------------------------------------------------------- */
    OGRFeature  *poFeature = NULL;
    while( (poFeature = poLayer->GetNextFeature()) != NULL )
    {
        poFeature->DumpReadable( NULL );
        OGRFeature::DestroyFeature( poFeature );
    }
}
コード例 #3
0
ファイル: gdaltransform.cpp プロジェクト: AsgerPetersen/gdal
MAIN_START(argc, argv)

{
    // Check that we are running against at least GDAL 1.5.
    // Note to developers: if we use newer API, please change the requirement.
    if (atoi(GDALVersionInfo("VERSION_NUM")) < 1500)
    {
        fprintf(stderr,
                "At least, GDAL >= 1.5.0 is required for this version of %s, "
                "which was compiled against GDAL %s\n",
                argv[0], GDAL_RELEASE_NAME);
        exit(1);
    }

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

    const char         *pszSrcFilename = nullptr;
    const char         *pszDstFilename = nullptr;
    int                 nOrder = 0;
    void               *hTransformArg;
    GDALTransformerFunc pfnTransformer = nullptr;
    int                 nGCPCount = 0;
    GDAL_GCP            *pasGCPs = nullptr;
    int                 bInverse = FALSE;
    CPLStringList       aosTO;
    int                 bOutputXY = FALSE;
    double              dfX = 0.0;
    double              dfY = 0.0;
    double              dfZ = 0.0;
    double              dfT = 0.0;
    bool                bCoordOnCommandLine = false;

/* -------------------------------------------------------------------- */
/*      Parse arguments.                                                */
/* -------------------------------------------------------------------- */
    for( int i = 1; i < argc && argv[i] != nullptr; i++ )
    {
        if( EQUAL(argv[i], "--utility_version") )
        {
            printf("%s was compiled against GDAL %s and "
                   "is running against GDAL %s\n",
                   argv[0], GDAL_RELEASE_NAME, GDALVersionInfo("RELEASE_NAME"));
            CSLDestroy(argv);
            return 0;
        }
        else if( EQUAL(argv[i],"--help") )
        {
            Usage();
        }
        else if( EQUAL(argv[i],"-t_srs") )
        {
            CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(1);
            const char *pszSRS = argv[++i];
            if( !IsValidSRS(pszSRS) )
                exit(1);
            aosTO.SetNameValue("DST_SRS", pszSRS );
        }
        else if( EQUAL(argv[i],"-s_srs") )
        {
            CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(1);
            const char *pszSRS = argv[++i];
            if( !IsValidSRS(pszSRS) )
                exit(1);
            aosTO.SetNameValue("SRC_SRS", pszSRS );
        }
        else if( EQUAL(argv[i],"-ct") )
        {
            CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(1);
            const char *pszCT = argv[++i];
            aosTO.SetNameValue("COORDINATE_OPERATION", pszCT );
        }
        else if( EQUAL(argv[i],"-order") )
        {
            CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(1);
            nOrder = atoi(argv[++i]);
            aosTO.SetNameValue("MAX_GCP_ORDER", argv[i] );
        }
        else if( EQUAL(argv[i],"-tps") )
        {
            aosTO.SetNameValue("METHOD", "GCP_TPS" );
            nOrder = -1;
        }
        else if( EQUAL(argv[i],"-rpc") )
        {
            aosTO.SetNameValue("METHOD", "RPC" );
        }
        else if( EQUAL(argv[i],"-geoloc") )
        {
            aosTO.SetNameValue("METHOD", "GEOLOC_ARRAY" );
        }
        else if( EQUAL(argv[i],"-i") )
        {
            bInverse = TRUE;
        }
        else if( EQUAL(argv[i],"-to")  )
        {
            CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(1);
            aosTO.AddString( argv[++i] );
        }
        else if( EQUAL(argv[i],"-gcp") )
        {
            CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(4);
            char* endptr = nullptr;
            /* -gcp pixel line easting northing [elev] */

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

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

            /* should set id and info? */
        }
        else if( EQUAL(argv[i],"-output_xy") )
        {
            bOutputXY = TRUE;
        }
        else if( EQUAL(argv[i],"-coord")  && i + 2 < argc)
        {
            bCoordOnCommandLine = true;
            dfX = CPLAtof(argv[++i]);
            dfY = CPLAtof(argv[++i]);
            if( i + 1 < argc && CPLGetValueType(argv[i+1]) != CPL_VALUE_STRING )
                dfZ = CPLAtof(argv[++i]);
            if( i + 1 < argc && CPLGetValueType(argv[i+1]) != CPL_VALUE_STRING )
                dfT = CPLAtof(argv[++i]);
        }
        else if( argv[i][0] == '-' )
        {
            Usage(CPLSPrintf("Unknown option name '%s'", argv[i]));
        }
        else if( pszSrcFilename == nullptr )
        {
            pszSrcFilename = argv[i];
        }
        else if( pszDstFilename == nullptr )
        {
            pszDstFilename = argv[i];
        }
        else
        {
            Usage("Too many command options.");
        }
    }

/* -------------------------------------------------------------------- */
/*      Open src and destination file, if appropriate.                  */
/* -------------------------------------------------------------------- */
    GDALDatasetH hSrcDS = nullptr;
    if( pszSrcFilename != nullptr )
    {
        hSrcDS = GDALOpen( pszSrcFilename, GA_ReadOnly );
        if( hSrcDS == nullptr )
            exit( 1 );
    }

    GDALDatasetH hDstDS = nullptr;
    if( pszDstFilename != nullptr )
    {
        hDstDS = GDALOpen( pszDstFilename, GA_ReadOnly );
        if( hDstDS == nullptr )
            exit( 1 );
    }

    if( hSrcDS != nullptr && nGCPCount > 0 )
    {
        fprintf(stderr,
                "Command line GCPs and input file specified, "
                "specify one or the other.\n");
        exit( 1 );
    }

/* -------------------------------------------------------------------- */
/*      Create a transformation object from the source to               */
/*      destination coordinate system.                                  */
/* -------------------------------------------------------------------- */
    if( nGCPCount != 0 && nOrder == -1 )
    {
        pfnTransformer = GDALTPSTransform;
        hTransformArg =
            GDALCreateTPSTransformer( nGCPCount, pasGCPs, FALSE );
    }
    else if( nGCPCount != 0 )
    {
        pfnTransformer = GDALGCPTransform;
        hTransformArg =
            GDALCreateGCPTransformer( nGCPCount, pasGCPs, nOrder, FALSE );
    }
    else
    {
        pfnTransformer = GDALGenImgProjTransform;
        hTransformArg =
            GDALCreateGenImgProjTransformer2( hSrcDS, hDstDS, aosTO.List() );
    }

    if( hTransformArg == nullptr )
    {
        exit( 1 );
    }

/* -------------------------------------------------------------------- */
/*      Read points from stdin, transform and write to stdout.          */
/* -------------------------------------------------------------------- */
    double dfLastT = 0.0;

    while( bCoordOnCommandLine || !feof(stdin) )
    {
        if( !bCoordOnCommandLine )
        {
            char szLine[1024];

            if( fgets( szLine, sizeof(szLine)-1, stdin ) == nullptr )
                break;

            char **papszTokens = CSLTokenizeString(szLine);
            const int nCount = CSLCount(papszTokens);

            if( nCount < 2 )
            {
                CSLDestroy(papszTokens);
                continue;
            }

            dfX = CPLAtof(papszTokens[0]);
            dfY = CPLAtof(papszTokens[1]);
            if( nCount >= 3 )
                dfZ = CPLAtof(papszTokens[2]);
            else
                dfZ = 0.0;
            if( nCount == 4 )
                dfT = CPLAtof(papszTokens[3]);
            else 
                dfT = 0.0;
            CSLDestroy(papszTokens);
        }
        if( dfT != dfLastT && nGCPCount == 0 )
        {
            if( dfT != 0.0 )
            {
                aosTO.SetNameValue("COORDINATE_EPOCH", CPLSPrintf("%g", dfT));
            }
            else
            {
                aosTO.SetNameValue("COORDINATE_EPOCH", nullptr);
            }
            GDALDestroyGenImgProjTransformer(hTransformArg);
            hTransformArg =
                GDALCreateGenImgProjTransformer2( hSrcDS, hDstDS, aosTO.List() );
        }

        int bSuccess = TRUE;
        if( pfnTransformer( hTransformArg, bInverse, 1,
                            &dfX, &dfY, &dfZ, &bSuccess )
            && bSuccess )
        {
            if( bOutputXY )
                CPLprintf( "%.15g %.15g\n", dfX, dfY );
            else
                CPLprintf( "%.15g %.15g %.15g\n", dfX, dfY, dfZ );
        }
        else
        {
            printf( "transformation failed.\n" );
        }

        if( bCoordOnCommandLine )
            break;
        dfLastT = dfT;
    }

    if( nGCPCount != 0 && nOrder == -1 )
    {
        GDALDestroyTPSTransformer(hTransformArg);
    }
    else if( nGCPCount != 0 )
    {
        GDALDestroyGCPTransformer(hTransformArg);
    }
    else
    {
        GDALDestroyGenImgProjTransformer(hTransformArg);
    }

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

    if (hSrcDS)
        GDALClose(hSrcDS);

    if (hDstDS)
        GDALClose(hDstDS);

    GDALDumpOpenDatasets( stderr );
    GDALDestroyDriverManager();

    CSLDestroy( argv );

    return 0;
}
コード例 #4
0
ファイル: gdal_grid.cpp プロジェクト: MattLatt/GDAL_2.0.x_VC
static void PrintAlgorithmAndOptions( GDALGridAlgorithm eAlgorithm,
                                      void *pOptions )
{
    switch ( eAlgorithm )
    {
        case GGA_InverseDistanceToAPower:
            printf( "Algorithm name: \"%s\".\n", szAlgNameInvDist );
            CPLprintf( "Options are "
                    "\"power=%f:smoothing=%f:radius1=%f:radius2=%f:angle=%f"
                    ":max_points=%lu:min_points=%lu:nodata=%f\"\n",
                ((GDALGridInverseDistanceToAPowerOptions *)pOptions)->dfPower,
                ((GDALGridInverseDistanceToAPowerOptions *)pOptions)->dfSmoothing,
                ((GDALGridInverseDistanceToAPowerOptions *)pOptions)->dfRadius1,
                ((GDALGridInverseDistanceToAPowerOptions *)pOptions)->dfRadius2,
                ((GDALGridInverseDistanceToAPowerOptions *)pOptions)->dfAngle,
                (unsigned long)((GDALGridInverseDistanceToAPowerOptions *)pOptions)->nMaxPoints,
                (unsigned long)((GDALGridInverseDistanceToAPowerOptions *)pOptions)->nMinPoints,
                ((GDALGridInverseDistanceToAPowerOptions *)pOptions)->dfNoDataValue);
            break;
        case GGA_MovingAverage:
            printf( "Algorithm name: \"%s\".\n", szAlgNameAverage );
            CPLprintf( "Options are "
                    "\"radius1=%f:radius2=%f:angle=%f:min_points=%lu"
                    ":nodata=%f\"\n",
                ((GDALGridMovingAverageOptions *)pOptions)->dfRadius1,
                ((GDALGridMovingAverageOptions *)pOptions)->dfRadius2,
                ((GDALGridMovingAverageOptions *)pOptions)->dfAngle,
                (unsigned long)((GDALGridMovingAverageOptions *)pOptions)->nMinPoints,
                ((GDALGridMovingAverageOptions *)pOptions)->dfNoDataValue);
            break;
        case GGA_NearestNeighbor:
            printf( "Algorithm name: \"%s\".\n", szAlgNameNearest );
            CPLprintf( "Options are "
                    "\"radius1=%f:radius2=%f:angle=%f:nodata=%f\"\n",
                ((GDALGridNearestNeighborOptions *)pOptions)->dfRadius1,
                ((GDALGridNearestNeighborOptions *)pOptions)->dfRadius2,
                ((GDALGridNearestNeighborOptions *)pOptions)->dfAngle,
                ((GDALGridNearestNeighborOptions *)pOptions)->dfNoDataValue);
            break;
        case GGA_MetricMinimum:
            printf( "Algorithm name: \"%s\".\n", szAlgNameMinimum );
            CPLprintf( "Options are "
                    "\"radius1=%f:radius2=%f:angle=%f:min_points=%lu"
                    ":nodata=%f\"\n",
                ((GDALGridDataMetricsOptions *)pOptions)->dfRadius1,
                ((GDALGridDataMetricsOptions *)pOptions)->dfRadius2,
                ((GDALGridDataMetricsOptions *)pOptions)->dfAngle,
                (unsigned long)((GDALGridDataMetricsOptions *)pOptions)->nMinPoints,
                ((GDALGridDataMetricsOptions *)pOptions)->dfNoDataValue);
            break;
        case GGA_MetricMaximum:
            printf( "Algorithm name: \"%s\".\n", szAlgNameMaximum );
            CPLprintf( "Options are "
                    "\"radius1=%f:radius2=%f:angle=%f:min_points=%lu"
                    ":nodata=%f\"\n",
                ((GDALGridDataMetricsOptions *)pOptions)->dfRadius1,
                ((GDALGridDataMetricsOptions *)pOptions)->dfRadius2,
                ((GDALGridDataMetricsOptions *)pOptions)->dfAngle,
                (unsigned long)((GDALGridDataMetricsOptions *)pOptions)->nMinPoints,
                ((GDALGridDataMetricsOptions *)pOptions)->dfNoDataValue);
            break;
        case GGA_MetricRange:
            printf( "Algorithm name: \"%s\".\n", szAlgNameRange );
            CPLprintf( "Options are "
                    "\"radius1=%f:radius2=%f:angle=%f:min_points=%lu"
                    ":nodata=%f\"\n",
                ((GDALGridDataMetricsOptions *)pOptions)->dfRadius1,
                ((GDALGridDataMetricsOptions *)pOptions)->dfRadius2,
                ((GDALGridDataMetricsOptions *)pOptions)->dfAngle,
                (unsigned long)((GDALGridDataMetricsOptions *)pOptions)->nMinPoints,
                ((GDALGridDataMetricsOptions *)pOptions)->dfNoDataValue);
            break;
        case GGA_MetricCount:
            printf( "Algorithm name: \"%s\".\n", szAlgNameCount );
            CPLprintf( "Options are "
                    "\"radius1=%f:radius2=%f:angle=%f:min_points=%lu"
                    ":nodata=%f\"\n",
                ((GDALGridDataMetricsOptions *)pOptions)->dfRadius1,
                ((GDALGridDataMetricsOptions *)pOptions)->dfRadius2,
                ((GDALGridDataMetricsOptions *)pOptions)->dfAngle,
                (unsigned long)((GDALGridDataMetricsOptions *)pOptions)->nMinPoints,
                ((GDALGridDataMetricsOptions *)pOptions)->dfNoDataValue);
            break;
        case GGA_MetricAverageDistance:
            printf( "Algorithm name: \"%s\".\n", szAlgNameAverageDistance );
            CPLprintf( "Options are "
                    "\"radius1=%f:radius2=%f:angle=%f:min_points=%lu"
                    ":nodata=%f\"\n",
                ((GDALGridDataMetricsOptions *)pOptions)->dfRadius1,
                ((GDALGridDataMetricsOptions *)pOptions)->dfRadius2,
                ((GDALGridDataMetricsOptions *)pOptions)->dfAngle,
                (unsigned long)((GDALGridDataMetricsOptions *)pOptions)->nMinPoints,
                ((GDALGridDataMetricsOptions *)pOptions)->dfNoDataValue);
            break;
        case GGA_MetricAverageDistancePts:
            printf( "Algorithm name: \"%s\".\n", szAlgNameAverageDistancePts );
            CPLprintf( "Options are "
                    "\"radius1=%f:radius2=%f:angle=%f:min_points=%lu"
                    ":nodata=%f\"\n",
                ((GDALGridDataMetricsOptions *)pOptions)->dfRadius1,
                ((GDALGridDataMetricsOptions *)pOptions)->dfRadius2,
                ((GDALGridDataMetricsOptions *)pOptions)->dfAngle,
                (unsigned long)((GDALGridDataMetricsOptions *)pOptions)->nMinPoints,
                ((GDALGridDataMetricsOptions *)pOptions)->dfNoDataValue);
            break;
        default:
            printf( "Algorithm is unknown.\n" );
            break;
    }
}
コード例 #5
0
ファイル: gdal_grid.cpp プロジェクト: MattLatt/GDAL_2.0.x_VC
static CPLErr ProcessLayer( OGRLayerH hSrcLayer, GDALDatasetH hDstDS,
                          OGRGeometry *poClipSrc,
                          GUInt32 nXSize, GUInt32 nYSize, int nBand,
                          int& bIsXExtentSet, int& bIsYExtentSet,
                          double& dfXMin, double& dfXMax,
                          double& dfYMin, double& dfYMax,
                          const char *pszBurnAttribute,
                          const double dfIncreaseBurnValue,
                          const double dfMultiplyBurnValue,
                          GDALDataType eType,
                          GDALGridAlgorithm eAlgorithm, void *pOptions,
                          int bQuiet, GDALProgressFunc pfnProgress )

{
/* -------------------------------------------------------------------- */
/*      Get field index, and check.                                     */
/* -------------------------------------------------------------------- */
    int iBurnField = -1;

    if ( pszBurnAttribute )
    {
        iBurnField = OGR_FD_GetFieldIndex( OGR_L_GetLayerDefn( hSrcLayer ),
                                           pszBurnAttribute );
        if( iBurnField == -1 )
        {
            printf( "Failed to find field %s on layer %s, skipping.\n",
                    pszBurnAttribute, 
                    OGR_FD_GetName( OGR_L_GetLayerDefn( hSrcLayer ) ) );
            return CE_Failure;
        }
    }

/* -------------------------------------------------------------------- */
/*      Collect the geometries from this layer, and build list of       */
/*      values to be interpolated.                                      */
/* -------------------------------------------------------------------- */
    OGRFeature *poFeat;
    std::vector<double> adfX, adfY, adfZ;

    OGR_L_ResetReading( hSrcLayer );

    while( (poFeat = (OGRFeature *)OGR_L_GetNextFeature( hSrcLayer )) != NULL )
    {
        OGRGeometry *poGeom = poFeat->GetGeometryRef();
        double  dfBurnValue = 0.0;

        if ( iBurnField >= 0 )
            dfBurnValue = poFeat->GetFieldAsDouble( iBurnField );

        ProcessCommonGeometry(poGeom, poClipSrc, iBurnField, dfBurnValue,
            dfIncreaseBurnValue, dfMultiplyBurnValue, adfX, adfY, adfZ);

        OGRFeature::DestroyFeature( poFeat );
    }

    if ( adfX.size() == 0 )
    {
        printf( "No point geometry found on layer %s, skipping.\n",
                OGR_FD_GetName( OGR_L_GetLayerDefn( hSrcLayer ) ) );
        return CE_None;
    }

/* -------------------------------------------------------------------- */
/*      Compute grid geometry.                                          */
/* -------------------------------------------------------------------- */
    if ( !bIsXExtentSet || !bIsYExtentSet )
    {
        OGREnvelope sEnvelope;
        OGR_L_GetExtent( hSrcLayer, &sEnvelope, TRUE );

        if ( !bIsXExtentSet )
        {
            dfXMin = sEnvelope.MinX;
            dfXMax = sEnvelope.MaxX;
            bIsXExtentSet = TRUE;
        }

        if ( !bIsYExtentSet )
        {
            dfYMin = sEnvelope.MinY;
            dfYMax = sEnvelope.MaxY;
            bIsYExtentSet = TRUE;
        }
    }

/* -------------------------------------------------------------------- */
/*      Perform gridding.                                               */
/* -------------------------------------------------------------------- */

    const double    dfDeltaX = ( dfXMax - dfXMin ) / nXSize;
    const double    dfDeltaY = ( dfYMax - dfYMin ) / nYSize;

    if ( !bQuiet )
    {
        printf( "Grid data type is \"%s\"\n", GDALGetDataTypeName(eType) );
        printf( "Grid size = (%lu %lu).\n",
                (unsigned long)nXSize, (unsigned long)nYSize );
        CPLprintf( "Corner coordinates = (%f %f)-(%f %f).\n",
                dfXMin - dfDeltaX / 2, dfYMax + dfDeltaY / 2,
                dfXMax + dfDeltaX / 2, dfYMin - dfDeltaY / 2 );
        CPLprintf( "Grid cell size = (%f %f).\n", dfDeltaX, dfDeltaY );
        printf( "Source point count = %lu.\n", (unsigned long)adfX.size() );
        PrintAlgorithmAndOptions( eAlgorithm, pOptions );
        printf("\n");
    }

    GDALRasterBandH hBand = GDALGetRasterBand( hDstDS, nBand );

    if (adfX.size() == 0)
    {
        // FIXME: Shoulda' set to nodata value instead
        GDALFillRaster( hBand, 0.0 , 0.0 );
        return CE_None;
    }

    GUInt32 nXOffset, nYOffset;
    int     nBlockXSize, nBlockYSize;
    int     nDataTypeSize = GDALGetDataTypeSize(eType) / 8;

    // Try to grow the work buffer up to 16 MB if it is smaller
    GDALGetBlockSize( hBand, &nBlockXSize, &nBlockYSize );
    const GUInt32 nDesiredBufferSize = 16*1024*1024;
    if( (GUInt32)nBlockXSize < nXSize && (GUInt32)nBlockYSize < nYSize &&
        (GUInt32)nBlockXSize < nDesiredBufferSize / (nBlockYSize * nDataTypeSize) )
    {
        int nNewBlockXSize  = nDesiredBufferSize / (nBlockYSize * nDataTypeSize);
        nBlockXSize = (nNewBlockXSize / nBlockXSize) * nBlockXSize;
        if( (GUInt32)nBlockXSize > nXSize )
            nBlockXSize = nXSize;
    }
    else if( (GUInt32)nBlockXSize == nXSize && (GUInt32)nBlockYSize < nYSize &&
             (GUInt32)nBlockYSize < nDesiredBufferSize / (nXSize * nDataTypeSize) )
    {
        int nNewBlockYSize = nDesiredBufferSize / (nXSize * nDataTypeSize);
        nBlockYSize = (nNewBlockYSize / nBlockYSize) * nBlockYSize;
        if( (GUInt32)nBlockYSize > nYSize )
            nBlockYSize = nYSize;
    }
    CPLDebug("GDAL_GRID", "Work buffer: %d * %d", nBlockXSize, nBlockYSize);

    void    *pData =
        VSIMalloc3( nBlockXSize, nBlockYSize, nDataTypeSize );
    if( pData == NULL )
    {
        CPLError(CE_Failure, CPLE_OutOfMemory, "Cannot allocate work buffer");
        return CE_Failure;
    }

    GUInt32 nBlock = 0;
    GUInt32 nBlockCount = ((nXSize + nBlockXSize - 1) / nBlockXSize)
        * ((nYSize + nBlockYSize - 1) / nBlockYSize);

    CPLErr eErr = CE_None;
    for ( nYOffset = 0; nYOffset < nYSize && eErr == CE_None; nYOffset += nBlockYSize )
    {
        for ( nXOffset = 0; nXOffset < nXSize && eErr == CE_None; nXOffset += nBlockXSize )
        {
            void *pScaledProgress;
            pScaledProgress =
                GDALCreateScaledProgress( (double)nBlock / nBlockCount,
                                          (double)(nBlock + 1) / nBlockCount,
                                          pfnProgress, NULL );
            nBlock ++;

            int nXRequest = nBlockXSize;
            if (nXOffset + nXRequest > nXSize)
                nXRequest = nXSize - nXOffset;

            int nYRequest = nBlockYSize;
            if (nYOffset + nYRequest > nYSize)
                nYRequest = nYSize - nYOffset;

            eErr = GDALGridCreate( eAlgorithm, pOptions,
                            adfX.size(), &(adfX[0]), &(adfY[0]), &(adfZ[0]),
                            dfXMin + dfDeltaX * nXOffset,
                            dfXMin + dfDeltaX * (nXOffset + nXRequest),
                            dfYMin + dfDeltaY * nYOffset,
                            dfYMin + dfDeltaY * (nYOffset + nYRequest),
                            nXRequest, nYRequest, eType, pData,
                            GDALScaledProgress, pScaledProgress );

            if( eErr == CE_None )
                eErr = GDALRasterIO( hBand, GF_Write, nXOffset, nYOffset,
                          nXRequest, nYRequest, pData,
                          nXRequest, nYRequest, eType, 0, 0 );

            GDALDestroyScaledProgress( pScaledProgress );
        }
    }

    CPLFree( pData );
    return eErr;
}
コード例 #6
0
ファイル: ogrinfo.cpp プロジェクト: AsgerPetersen/gdal
static void ReportOnLayer( OGRLayer * poLayer, const char *pszWHERE,
                           const char* pszGeomField,
                           OGRGeometry *poSpatialFilter,
                           bool bListMDD,
                           bool bShowMetadata,
                           char** papszExtraMDDomains,
                           bool bFeatureCount,
                           bool bExtent,
                           const char* pszWKTFormat )
{
    OGRFeatureDefn      *poDefn = poLayer->GetLayerDefn();

/* -------------------------------------------------------------------- */
/*      Set filters if provided.                                        */
/* -------------------------------------------------------------------- */
    if( pszWHERE != nullptr )
    {
        if( poLayer->SetAttributeFilter(pszWHERE) != OGRERR_NONE )
        {
            printf("FAILURE: SetAttributeFilter(%s) failed.\n", pszWHERE);
            exit(1);
        }
    }

    if( poSpatialFilter != nullptr )
    {
        if( pszGeomField != nullptr )
        {
            const int iGeomField = poDefn->GetGeomFieldIndex(pszGeomField);
            if( iGeomField >= 0 )
                poLayer->SetSpatialFilter(iGeomField, poSpatialFilter);
            else
                printf("WARNING: Cannot find geometry field %s.\n",
                       pszGeomField);
        }
        else
        {
            poLayer->SetSpatialFilter(poSpatialFilter);
        }
    }

/* -------------------------------------------------------------------- */
/*      Report various overall information.                             */
/* -------------------------------------------------------------------- */
    if( !bSuperQuiet )
    {
        printf("\n");
        printf("Layer name: %s\n", poLayer->GetName());
    }

    GDALInfoReportMetadata(static_cast<GDALMajorObjectH>(poLayer),
                           bListMDD,
                           bShowMetadata,
                           papszExtraMDDomains);

    if( bVerbose )
    {
        const int nGeomFieldCount =
            poLayer->GetLayerDefn()->GetGeomFieldCount();
        if( nGeomFieldCount > 1 )
        {
            for(int iGeom = 0;iGeom < nGeomFieldCount; iGeom ++ )
            {
                OGRGeomFieldDefn* poGFldDefn =
                    poLayer->GetLayerDefn()->GetGeomFieldDefn(iGeom);
                printf("Geometry (%s): %s\n", poGFldDefn->GetNameRef(),
                       OGRGeometryTypeToName(poGFldDefn->GetType()));
            }
        }
        else
        {
            printf("Geometry: %s\n",
                   OGRGeometryTypeToName(poLayer->GetGeomType()));
        }

        if( bFeatureCount )
            printf("Feature Count: " CPL_FRMT_GIB "\n",
                   poLayer->GetFeatureCount());

        OGREnvelope oExt;
        if( bExtent && nGeomFieldCount > 1 )
        {
            for( int iGeom = 0;iGeom < nGeomFieldCount; iGeom ++ )
            {
                if( poLayer->GetExtent(iGeom, &oExt, TRUE) == OGRERR_NONE )
                {
                    OGRGeomFieldDefn* poGFldDefn =
                        poLayer->GetLayerDefn()->GetGeomFieldDefn(iGeom);
                    CPLprintf("Extent (%s): (%f, %f) - (%f, %f)\n",
                              poGFldDefn->GetNameRef(),
                              oExt.MinX, oExt.MinY, oExt.MaxX, oExt.MaxY);
                }
            }
        }
        else if( bExtent && poLayer->GetExtent(&oExt, TRUE) == OGRERR_NONE )
        {
            CPLprintf("Extent: (%f, %f) - (%f, %f)\n",
                      oExt.MinX, oExt.MinY, oExt.MaxX, oExt.MaxY);
        }

        const auto displayDataAxisMapping = [](const OGRSpatialReference* poSRS) {
            const auto mapping = poSRS->GetDataAxisToSRSAxisMapping();
            printf("Data axis to CRS axis mapping: ");
            for( size_t i = 0; i < mapping.size(); i++ )
            {
                if( i > 0 )
                {
                    printf(",");
                }
                printf("%d", mapping[i]);
            }
            printf("\n");
        };

        if( nGeomFieldCount > 1 )
        {
            for(int iGeom = 0;iGeom < nGeomFieldCount; iGeom ++ )
            {
                OGRGeomFieldDefn* poGFldDefn =
                    poLayer->GetLayerDefn()->GetGeomFieldDefn(iGeom);
                OGRSpatialReference* poSRS = poGFldDefn->GetSpatialRef();
                char *pszWKT = nullptr;
                if( poSRS == nullptr )
                {
                    pszWKT = CPLStrdup("(unknown)");
                }
                else
                {
                    CPLString osWKTFormat("FORMAT=");
                    osWKTFormat += pszWKTFormat;
                    const char* const apszWKTOptions[] =
                        { osWKTFormat.c_str(), "MULTILINE=YES", nullptr };
                    poSRS->exportToWkt(&pszWKT, apszWKTOptions);
                }

                printf("SRS WKT (%s):\n%s\n",
                       poGFldDefn->GetNameRef(), pszWKT);
                CPLFree(pszWKT);
                if( poSRS )
                {
                    displayDataAxisMapping(poSRS);
                }
            }
        }
        else
        {
            char *pszWKT = nullptr;
            auto poSRS = poLayer->GetSpatialRef();
            if( poSRS == nullptr )
            {
                pszWKT = CPLStrdup("(unknown)");
            }
            else
            {
                poSRS->exportToPrettyWkt(&pszWKT);
            }

            printf("Layer SRS WKT:\n%s\n", pszWKT);
            CPLFree(pszWKT);
            if( poSRS )
            {
                displayDataAxisMapping(poSRS);
            }
        }

        if( strlen(poLayer->GetFIDColumn()) > 0 )
            printf("FID Column = %s\n",
                   poLayer->GetFIDColumn());

        for(int iGeom = 0;iGeom < nGeomFieldCount; iGeom ++ )
        {
            OGRGeomFieldDefn* poGFldDefn =
                poLayer->GetLayerDefn()->GetGeomFieldDefn(iGeom);
            if( nGeomFieldCount == 1 &&
                EQUAL(poGFldDefn->GetNameRef(), "") &&
                poGFldDefn->IsNullable() )
                break;
            printf("Geometry Column ");
            if( nGeomFieldCount > 1 )
                printf("%d ", iGeom + 1);
            if( !poGFldDefn->IsNullable() )
                printf("NOT NULL ");
            printf("= %s\n", poGFldDefn->GetNameRef());
        }

        for( int iAttr = 0; iAttr < poDefn->GetFieldCount(); iAttr++ )
        {
            OGRFieldDefn *poField = poDefn->GetFieldDefn(iAttr);
            const char* pszType = (poField->GetSubType() != OFSTNone)
                ? CPLSPrintf(
                      "%s(%s)",
                      poField->GetFieldTypeName(poField->GetType()),
                      poField->GetFieldSubTypeName(poField->GetSubType()))
                : poField->GetFieldTypeName(poField->GetType());
            printf("%s: %s (%d.%d)",
                   poField->GetNameRef(),
                   pszType,
                   poField->GetWidth(),
                   poField->GetPrecision());
            if( !poField->IsNullable() )
                printf(" NOT NULL");
            if( poField->GetDefault() != nullptr )
                printf(" DEFAULT %s", poField->GetDefault());
            printf("\n");
        }
    }

/* -------------------------------------------------------------------- */
/*      Read, and dump features.                                        */
/* -------------------------------------------------------------------- */

    if( nFetchFID == OGRNullFID && !bSummaryOnly )
    {
        OGRFeature *poFeature = nullptr;
        while( (poFeature = poLayer->GetNextFeature()) != nullptr )
        {
            if( !bSuperQuiet )
                poFeature->DumpReadable(nullptr, papszOptions);
            OGRFeature::DestroyFeature(poFeature);
        }
    }
    else if( nFetchFID != OGRNullFID )
    {
        OGRFeature *poFeature = poLayer->GetFeature(nFetchFID);
        if( poFeature == nullptr )
        {
            printf("Unable to locate feature id " CPL_FRMT_GIB
                   " on this layer.\n",
                   nFetchFID);
        }
        else
        {
            poFeature->DumpReadable(nullptr, papszOptions);
            OGRFeature::DestroyFeature(poFeature);
        }
    }
}