GDALWConnection * GDALWConnect(char * source) {
GDALWConnection * conn = NULL;
OGRFeatureDefnH featureDefn;
int fieldCount, i;
OGRRegisterAll();
conn = malloc(sizeof(GDALWConnection));
if (conn == NULL) {
fprintf(stderr, "Could not allocate memory\n");
return NULL;
}
conn->handler = OGROpen(source, 0 , &(conn->driver));
if (conn->handler == NULL) {
free(conn);
return NULL;
}
conn->layer = OGR_DS_GetLayer(conn->handler, 0);
if (conn->layer == NULL) {
OGRReleaseDataSource(conn->handler);
free(conn);
return NULL;
}
conn->layername = (const char *) OGR_L_GetName(conn->layer);
featureDefn = OGR_L_GetLayerDefn(conn->layer);
fieldCount = OGR_FD_GetFieldCount(featureDefn);
conn->numFieldDefinitions = fieldCount;
conn->fieldDefinitions = malloc(fieldCount * sizeof(OGRFieldDefnH));
if (conn->fieldDefinitions == NULL) {
OGRReleaseDataSource(conn->handler);
free(conn);
fprintf(stderr, "Could not allocate memory\n");
return NULL;
}
for (i=0 ; i<fieldCount ; i++) {
conn->fieldDefinitions[i] = OGR_FD_GetFieldDefn(featureDefn, i);
}
return conn;
}
void OgrFileImport::import(bool load_symbols_only)
{
auto file = qobject_cast<QFile*>(stream);
if (!file)
{
throw FileFormatException("Internal error"); /// \todo Review design and/or message
}
auto filename = file->fileName();
// GDAL 2.0: ... = GDALOpenEx(template_path.toLatin1(), GDAL_OF_VECTOR, nullptr, nullptr, nullptr);
auto data_source = ogr::unique_datasource(OGROpen(filename.toLatin1(), 0, nullptr));
if (data_source == nullptr)
{
throw FileFormatException(Importer::tr("Could not read '%1'")
.arg(filename));
}
empty_geometries = 0;
no_transformation = 0;
failed_transformation = 0;
unsupported_geometry_type = 0;
too_few_coordinates = 0;
importStyles(data_source.get());
if (!load_symbols_only)
{
auto num_layers = OGR_DS_GetLayerCount(data_source.get());
for (int i = 0; i < num_layers; ++i)
{
auto layer = OGR_DS_GetLayer(data_source.get(), i);
if (!layer)
{
addWarning(tr("Unable to load layer %1.").arg(i));
continue;
}
auto part = map->getCurrentPart();
if (option(QLatin1String("Separate layers")).toBool())
{
if (num_layers > 0)
{
if (part->getNumObjects() == 0)
{
part->setName(OGR_L_GetName(layer));
}
else
{
part = new MapPart(OGR_L_GetName(layer), map);
auto index = map->getNumParts();
map->addPart(part, index);
map->setCurrentPartIndex(index);
}
}
}
importLayer(part, layer);
}
}
if (empty_geometries)
{
addWarning(tr("Unable to load %n objects, reason: %1", nullptr, empty_geometries)
.arg(tr("Empty geometry.")));
}
if (no_transformation)
{
addWarning(tr("Unable to load %n objects, reason: %1", nullptr, no_transformation)
.arg(tr("Can't determine the coordinate transformation: %1").arg(CPLGetLastErrorMsg())));
}
if (failed_transformation)
{
addWarning(tr("Unable to load %n objects, reason: %1", nullptr, failed_transformation)
.arg(tr("Failed to transform the coordinates.")));
}
if (unsupported_geometry_type)
{
addWarning(tr("Unable to load %n objects, reason: %1", nullptr, unsupported_geometry_type)
.arg(tr("Unknown or unsupported geometry type.")));
}
if (too_few_coordinates)
{
addWarning(tr("Unable to load %n objects, reason: %1", nullptr, too_few_coordinates)
.arg(tr("Not enough coordinates.")));
}
}
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;
}
