QgsOgrFeatureIterator::QgsOgrFeatureIterator( QgsOgrFeatureSource* source, bool ownSource, const QgsFeatureRequest& request )
: QgsAbstractFeatureIteratorFromSource<QgsOgrFeatureSource>( source, ownSource, request )
, ogrDataSource( 0 )
, ogrLayer( 0 )
, mSubsetStringSet( false )
, mGeometrySimplifier( NULL )
{
mFeatureFetched = false;
ogrDataSource = OGROpen( TO8F( mSource->mFilePath ), false, NULL );
if ( mSource->mLayerName.isNull() )
{
ogrLayer = OGR_DS_GetLayer( ogrDataSource, mSource->mLayerIndex );
}
else
{
ogrLayer = OGR_DS_GetLayerByName( ogrDataSource, TO8( mSource->mLayerName ) );
}
if ( !mSource->mSubsetString.isEmpty() )
{
ogrLayer = QgsOgrUtils::setSubsetString( ogrLayer, ogrDataSource, mSource->mEncoding, mSource->mSubsetString );
mSubsetStringSet = true;
}
mFetchGeometry = ( mRequest.filterType() == QgsFeatureRequest::FilterRect ) || !( mRequest.flags() & QgsFeatureRequest::NoGeometry );
QgsAttributeList attrs = ( mRequest.flags() & QgsFeatureRequest::SubsetOfAttributes ) ? mRequest.subsetOfAttributes() : mSource->mFields.allAttributesList();
// make sure we fetch just relevant fields
// unless it's a VRT data source filtered by geometry as we don't know which
// attributes make up the geometry and OGR won't fetch them to evaluate the
// filter if we choose to ignore them (fixes #11223)
if (( mSource->mDriverName != "VRT" && mSource->mDriverName != "OGR_VRT" ) || mRequest.filterType() != QgsFeatureRequest::FilterRect )
{
QgsOgrUtils::setRelevantFields( ogrLayer, mSource->mFields.count(), mFetchGeometry, attrs );
}
// spatial query to select features
if ( mRequest.filterType() == QgsFeatureRequest::FilterRect )
{
OGRGeometryH filter = 0;
QString wktExtent = QString( "POLYGON((%1))" ).arg( mRequest.filterRect().asPolygon() );
QByteArray ba = wktExtent.toAscii();
const char *wktText = ba;
OGR_G_CreateFromWkt(( char ** )&wktText, NULL, &filter );
QgsDebugMsg( "Setting spatial filter using " + wktExtent );
OGR_L_SetSpatialFilter( ogrLayer, filter );
OGR_G_DestroyGeometry( filter );
}
else
{
OGR_L_SetSpatialFilter( ogrLayer, 0 );
}
//start with first feature
rewind();
}
CPLErr RasterliteDataset::CleanOverviewLevel(int nOvrFactor)
{
CPLString osSQL;
if (nLevel != 0)
return CE_Failure;
/* -------------------------------------------------------------------- */
/* Find the index of the overview matching the overview factor */
/* -------------------------------------------------------------------- */
int iLev;
for(iLev=1;iLev<nResolutions;iLev++)
{
if (fabs(padfXResolutions[0] * nOvrFactor - padfXResolutions[iLev]) < 1e-15 &&
fabs(padfYResolutions[0] * nOvrFactor - padfYResolutions[iLev]) < 1e-15)
break;
}
if (iLev == nResolutions)
return CE_None;
/* -------------------------------------------------------------------- */
/* Now clean existing overviews at that resolution */
/* -------------------------------------------------------------------- */
osSQL.Printf("BEGIN");
OGR_DS_ExecuteSQL(hDS, osSQL.c_str(), NULL, NULL);
CPLString osResolutionCond;
osResolutionCond.Printf(
"pixel_x_size >= %.15f AND pixel_x_size <= %.15f AND "
"pixel_y_size >= %.15f AND pixel_y_size <= %.15f",
padfXResolutions[iLev] - 1e-15, padfXResolutions[iLev] + 1e-15,
padfYResolutions[iLev] - 1e-15, padfYResolutions[iLev] + 1e-15);
osSQL.Printf("DELETE FROM \"%s_rasters\" WHERE id "
"IN(SELECT id FROM \"%s_metadata\" WHERE %s)",
osTableName.c_str(), osTableName.c_str(),
osResolutionCond.c_str());
OGR_DS_ExecuteSQL(hDS, osSQL.c_str(), NULL, NULL);
osSQL.Printf("DELETE FROM \"%s_metadata\" WHERE %s",
osTableName.c_str(), osResolutionCond.c_str());
OGR_DS_ExecuteSQL(hDS, osSQL.c_str(), NULL, NULL);
OGRLayerH hRasterPyramidsLyr = OGR_DS_GetLayerByName(hDS, "raster_pyramids");
if (hRasterPyramidsLyr)
{
osSQL.Printf("DELETE FROM raster_pyramids WHERE table_prefix = '%s' AND %s",
osTableName.c_str(), osResolutionCond.c_str());
OGR_DS_ExecuteSQL(hDS, osSQL.c_str(), NULL, NULL);
}
osSQL.Printf("COMMIT");
OGR_DS_ExecuteSQL(hDS, osSQL.c_str(), NULL, NULL);
return CE_None;
}
/**
* \brief Convenience function to check if a geometry is contained in a OGR
* datasource for a given layer.
*
* The passed geometry is a wkt representation of a geometry of type GeomType.
* pszFile is opened, and the passed geometry is queried against all
* geometries in pszLayer. If the passed geometry is contained in *any* of the
* geomtries in the layer, TRUE is returned. FALSE is returned otherwise,
* including errors. The SRS of all geometries is assumed to be the same.
*
* \param pszWkt Well-known text representation of a geometry.
* \param pszFile File to open
* \param pszLayer Layer to extract geometry from, if NULL, use layer 0.
* \return TRUE if pszWkt is contained in any geometry in pszLayer, FALSE
* otherwise, include errors
*/
int NinjaOGRContain(const char *pszWkt, const char *pszFile,
const char *pszLayer)
{
int bContains = FALSE;
if( pszWkt == NULL || pszFile == NULL )
{
return FALSE;
}
CPLDebug( "WINDNINJA", "Checking for containment of %s in %s:%s",
pszWkt, pszFile, pszLayer ? pszLayer : "" );
OGRGeometryH hTestGeometry = NULL;
int err = OGR_G_CreateFromWkt( (char**)&pszWkt, NULL, &hTestGeometry );
if( hTestGeometry == NULL || err != CE_None )
{
return FALSE;
}
OGRDataSourceH hDS = OGROpen( pszFile, 0, NULL );
if( hDS == NULL )
{
CPLError( CE_Failure, CPLE_AppDefined,
"Failed to open datasource: %s", pszFile );
OGR_G_DestroyGeometry( hTestGeometry );
bContains = FALSE;
return bContains;
}
OGRLayerH hLayer;
if( pszLayer == NULL )
{
hLayer = OGR_DS_GetLayer( hDS, 0 );
}
else
{
hLayer = OGR_DS_GetLayerByName( hDS, pszLayer );
}
OGRFeatureH hFeature;
if( hLayer != NULL )
{
OGRGeometryH hGeometry;
OGR_L_ResetReading( hLayer );
while( ( hFeature = OGR_L_GetNextFeature( hLayer ) ) != NULL )
{
hGeometry = OGR_F_GetGeometryRef( hFeature );
if( OGR_G_Contains( hGeometry, hTestGeometry ) )
{
bContains = TRUE;
OGR_F_Destroy( hFeature );
break;
}
OGR_F_Destroy( hFeature );
}
}
OGR_G_DestroyGeometry( hTestGeometry );
OGR_DS_Destroy( hDS );
return bContains;
}
QgsOgrFeatureIterator::QgsOgrFeatureIterator( QgsOgrFeatureSource* source, bool ownSource, const QgsFeatureRequest& request )
: QgsAbstractFeatureIteratorFromSource<QgsOgrFeatureSource>( source, ownSource, request )
, mFeatureFetched( false )
, mConn( nullptr )
, ogrLayer( nullptr )
, mSubsetStringSet( false )
, mFetchGeometry( false )
, mExpressionCompiled( false )
, mFilterFids( mRequest.filterFids() )
, mFilterFidsIt( mFilterFids.constBegin() )
{
mConn = QgsOgrConnPool::instance()->acquireConnection( mSource->mProvider->dataSourceUri() );
if ( !mConn->ds )
{
return;
}
if ( mSource->mLayerName.isNull() )
{
ogrLayer = OGR_DS_GetLayer( mConn->ds, mSource->mLayerIndex );
}
else
{
ogrLayer = OGR_DS_GetLayerByName( mConn->ds, TO8( mSource->mLayerName ) );
}
if ( !ogrLayer )
{
return;
}
if ( !mSource->mSubsetString.isEmpty() )
{
ogrLayer = QgsOgrProviderUtils::setSubsetString( ogrLayer, mConn->ds, mSource->mEncoding, mSource->mSubsetString );
if ( !ogrLayer )
{
return;
}
mSubsetStringSet = true;
}
mFetchGeometry = ( !mRequest.filterRect().isNull() ) || !( mRequest.flags() & QgsFeatureRequest::NoGeometry );
QgsAttributeList attrs = ( mRequest.flags() & QgsFeatureRequest::SubsetOfAttributes ) ? mRequest.subsetOfAttributes() : mSource->mFields.allAttributesList();
// ensure that all attributes required for expression filter are being fetched
if ( mRequest.flags() & QgsFeatureRequest::SubsetOfAttributes && request.filterType() == QgsFeatureRequest::FilterExpression )
{
Q_FOREACH ( const QString& field, request.filterExpression()->referencedColumns() )
{
int attrIdx = mSource->mFields.fieldNameIndex( field );
if ( !attrs.contains( attrIdx ) )
attrs << attrIdx;
}
mRequest.setSubsetOfAttributes( attrs );
}
QgsOgrFeatureIterator::QgsOgrFeatureIterator( QgsOgrProvider* p, const QgsFeatureRequest& request )
: QgsAbstractFeatureIterator( request )
, P( p )
, ogrDataSource( 0 )
, ogrLayer( 0 )
, mSubsetStringSet( false )
, mGeometrySimplifier( NULL )
{
mFeatureFetched = false;
ogrDataSource = OGROpen( TO8F( P->filePath() ), false, NULL );
if ( P->layerName().isNull() )
{
ogrLayer = OGR_DS_GetLayer( ogrDataSource, P->layerIndex() );
}
else
{
ogrLayer = OGR_DS_GetLayerByName( ogrDataSource, TO8( p->layerName() ) );
}
if ( !P->subsetString().isEmpty() )
{
ogrLayer = P->setSubsetString( ogrLayer, ogrDataSource );
mSubsetStringSet = true;
}
ensureRelevantFields();
// spatial query to select features
if ( mRequest.filterType() == QgsFeatureRequest::FilterRect )
{
OGRGeometryH filter = 0;
QString wktExtent = QString( "POLYGON((%1))" ).arg( mRequest.filterRect().asPolygon() );
QByteArray ba = wktExtent.toAscii();
const char *wktText = ba;
OGR_G_CreateFromWkt(( char ** )&wktText, NULL, &filter );
QgsDebugMsg( "Setting spatial filter using " + wktExtent );
OGR_L_SetSpatialFilter( ogrLayer, filter );
OGR_G_DestroyGeometry( filter );
}
else
{
OGR_L_SetSpatialFilter( ogrLayer, 0 );
}
//start with first feature
rewind();
}
CPLErr RasterliteDataset::CleanOverviews()
{
CPLString osSQL;
if (nLevel != 0)
return CE_Failure;
osSQL.Printf("BEGIN");
OGR_DS_ExecuteSQL(hDS, osSQL.c_str(), NULL, NULL);
CPLString osResolutionCond;
osResolutionCond.Printf(
"(pixel_x_size < %.15f OR pixel_x_size > %.15f) AND "
"(pixel_y_size < %.15f OR pixel_y_size > %.15f)",
padfXResolutions[0] - 1e-15, padfXResolutions[0] + 1e-15,
padfYResolutions[0] - 1e-15, padfYResolutions[0] + 1e-15);
osSQL.Printf("DELETE FROM \"%s_rasters\" WHERE id "
"IN(SELECT id FROM \"%s_metadata\" WHERE %s)",
osTableName.c_str(), osTableName.c_str(),
osResolutionCond.c_str());
OGR_DS_ExecuteSQL(hDS, osSQL.c_str(), NULL, NULL);
osSQL.Printf("DELETE FROM \"%s_metadata\" WHERE %s",
osTableName.c_str(), osResolutionCond.c_str());
OGR_DS_ExecuteSQL(hDS, osSQL.c_str(), NULL, NULL);
OGRLayerH hRasterPyramidsLyr = OGR_DS_GetLayerByName(hDS, "raster_pyramids");
if (hRasterPyramidsLyr)
{
osSQL.Printf("DELETE FROM raster_pyramids WHERE table_prefix = '%s' AND %s",
osTableName.c_str(), osResolutionCond.c_str());
OGR_DS_ExecuteSQL(hDS, osSQL.c_str(), NULL, NULL);
}
osSQL.Printf("COMMIT");
OGR_DS_ExecuteSQL(hDS, osSQL.c_str(), NULL, NULL);
int i;
for(i=1;i<nResolutions;i++)
delete papoOverviews[i-1];
CPLFree(papoOverviews);
papoOverviews = NULL;
nResolutions = 1;
return CE_None;
}
CPLErr RasterliteDataset::CreateOverviewLevel(int nOvrFactor,
GDALProgressFunc pfnProgress,
void * pProgressData)
{
double dfXResolution = padfXResolutions[0] * nOvrFactor;
double dfYResolution = padfXResolutions[0] * nOvrFactor;
CPLString osSQL;
int nBlockXSize = 256;
int nBlockYSize = 256;
int nOvrXSize = nRasterXSize / nOvrFactor;
int nOvrYSize = nRasterYSize / nOvrFactor;
if (nOvrXSize == 0 || nOvrYSize == 0)
return CE_Failure;
int nXBlocks = (nOvrXSize + nBlockXSize - 1) / nBlockXSize;
int nYBlocks = (nOvrYSize + nBlockYSize - 1) / nBlockYSize;
const char* pszDriverName = "GTiff";
GDALDriverH hTileDriver = GDALGetDriverByName(pszDriverName);
if (hTileDriver == NULL)
{
CPLError(CE_Failure, CPLE_AppDefined, "Cannot load GDAL %s driver", pszDriverName);
return CE_Failure;
}
GDALDriverH hMemDriver = GDALGetDriverByName("MEM");
if (hMemDriver == NULL)
{
CPLError(CE_Failure, CPLE_AppDefined, "Cannot load GDAL MEM driver");
return CE_Failure;
}
GDALDataType eDataType = GetRasterBand(1)->GetRasterDataType();
int nDataTypeSize = GDALGetDataTypeSize(eDataType) / 8;
GByte* pabyMEMDSBuffer =
(GByte*)VSIMalloc3(nBlockXSize, nBlockYSize, nBands * nDataTypeSize);
if (pabyMEMDSBuffer == NULL)
{
return CE_Failure;
}
char** papszTileDriverOptions = NULL;
CPLString osTempFileName;
osTempFileName.Printf("/vsimem/%p", hDS);
int nTileId = 0;
int nBlocks = 0;
int nTotalBlocks = nXBlocks * nYBlocks;
CPLString osRasterLayer;
osRasterLayer.Printf("%s_rasters", osTableName.c_str());
CPLString osMetatadataLayer;
osMetatadataLayer.Printf("%s_metadata", osTableName.c_str());
OGRLayerH hRasterLayer = OGR_DS_GetLayerByName(hDS, osRasterLayer.c_str());
OGRLayerH hMetadataLayer = OGR_DS_GetLayerByName(hDS, osMetatadataLayer.c_str());
CPLString osSourceName = "unknown";
osSQL.Printf("SELECT source_name FROM \"%s\" WHERE "
"pixel_x_size >= %.15f AND pixel_x_size <= %.15f AND "
"pixel_y_size >= %.15f AND pixel_y_size <= %.15f LIMIT 1",
osMetatadataLayer.c_str(),
padfXResolutions[0] - 1e-15, padfXResolutions[0] + 1e-15,
padfYResolutions[0] - 1e-15, padfYResolutions[0] + 1e-15);
OGRLayerH hSQLLyr = OGR_DS_ExecuteSQL(hDS, osSQL.c_str(), NULL, NULL);
if (hSQLLyr)
{
OGRFeatureH hFeat = OGR_L_GetNextFeature(hSQLLyr);
if (hFeat)
{
const char* pszVal = OGR_F_GetFieldAsString(hFeat, 0);
if (pszVal)
osSourceName = pszVal;
OGR_F_Destroy(hFeat);
}
OGR_DS_ReleaseResultSet(hDS, hSQLLyr);
}
/* -------------------------------------------------------------------- */
/* Compute up to which existing overview level we can use for */
/* computing the requested overview */
/* -------------------------------------------------------------------- */
int iLev;
nLimitOvrCount = 0;
for(iLev=1;iLev<nResolutions;iLev++)
{
if (!(padfXResolutions[iLev] < dfXResolution - 1e-10 &&
padfYResolutions[iLev] < dfYResolution - 1e-10))
{
break;
}
nLimitOvrCount++;
}
/* -------------------------------------------------------------------- */
/* Iterate over blocks to add data into raster and metadata tables */
/* -------------------------------------------------------------------- */
OGR_DS_ExecuteSQL(hDS, "BEGIN", NULL, NULL);
CPLErr eErr = CE_None;
int nBlockXOff, nBlockYOff;
for(nBlockYOff=0;eErr == CE_None && nBlockYOff<nYBlocks;nBlockYOff++)
{
for(nBlockXOff=0;eErr == CE_None && nBlockXOff<nXBlocks;nBlockXOff++)
{
/* -------------------------------------------------------------------- */
/* Create in-memory tile */
/* -------------------------------------------------------------------- */
int nReqXSize = nBlockXSize, nReqYSize = nBlockYSize;
if ((nBlockXOff+1) * nBlockXSize > nOvrXSize)
nReqXSize = nOvrXSize - nBlockXOff * nBlockXSize;
if ((nBlockYOff+1) * nBlockYSize > nOvrYSize)
nReqYSize = nOvrYSize - nBlockYOff * nBlockYSize;
eErr = RasterIO(GF_Read,
nBlockXOff * nBlockXSize * nOvrFactor,
nBlockYOff * nBlockYSize * nOvrFactor,
nReqXSize * nOvrFactor, nReqYSize * nOvrFactor,
pabyMEMDSBuffer, nReqXSize, nReqYSize,
eDataType, nBands, NULL,
0, 0, 0);
if (eErr != CE_None)
{
break;
}
GDALDatasetH hMemDS = GDALCreate(hMemDriver, "MEM:::",
nReqXSize, nReqYSize, 0,
eDataType, NULL);
if (hMemDS == NULL)
{
eErr = CE_Failure;
break;
}
int iBand;
for(iBand = 0; iBand < nBands; iBand ++)
{
char** papszOptions = NULL;
char szTmp[64];
memset(szTmp, 0, sizeof(szTmp));
CPLPrintPointer(szTmp,
pabyMEMDSBuffer + iBand * nDataTypeSize *
nReqXSize * nReqYSize, sizeof(szTmp));
papszOptions = CSLSetNameValue(papszOptions, "DATAPOINTER", szTmp);
GDALAddBand(hMemDS, eDataType, papszOptions);
CSLDestroy(papszOptions);
}
GDALDatasetH hOutDS = GDALCreateCopy(hTileDriver,
osTempFileName.c_str(), hMemDS, FALSE,
papszTileDriverOptions, NULL, NULL);
GDALClose(hMemDS);
if (hOutDS)
GDALClose(hOutDS);
else
{
eErr = CE_Failure;
break;
}
/* -------------------------------------------------------------------- */
/* Insert new entry into raster table */
/* -------------------------------------------------------------------- */
vsi_l_offset nDataLength;
GByte *pabyData = VSIGetMemFileBuffer( osTempFileName.c_str(),
&nDataLength, FALSE);
OGRFeatureH hFeat = OGR_F_Create( OGR_L_GetLayerDefn(hRasterLayer) );
OGR_F_SetFieldBinary(hFeat, 0, (int)nDataLength, pabyData);
OGR_L_CreateFeature(hRasterLayer, hFeat);
/* Query raster ID to set it as the ID of the associated metadata */
int nRasterID = (int)OGR_F_GetFID(hFeat);
OGR_F_Destroy(hFeat);
VSIUnlink(osTempFileName.c_str());
/* -------------------------------------------------------------------- */
/* Insert new entry into metadata table */
/* -------------------------------------------------------------------- */
hFeat = OGR_F_Create( OGR_L_GetLayerDefn(hMetadataLayer) );
OGR_F_SetFID(hFeat, nRasterID);
OGR_F_SetFieldString(hFeat, 0, osSourceName);
OGR_F_SetFieldInteger(hFeat, 1, nTileId ++);
OGR_F_SetFieldInteger(hFeat, 2, nReqXSize);
OGR_F_SetFieldInteger(hFeat, 3, nReqYSize);
OGR_F_SetFieldDouble(hFeat, 4, dfXResolution);
OGR_F_SetFieldDouble(hFeat, 5, dfYResolution);
double minx, maxx, maxy, miny;
minx = adfGeoTransform[0] +
(nBlockXSize * nBlockXOff) * dfXResolution;
maxx = adfGeoTransform[0] +
(nBlockXSize * nBlockXOff + nReqXSize) * dfXResolution;
maxy = adfGeoTransform[3] +
(nBlockYSize * nBlockYOff) * (-dfYResolution);
miny = adfGeoTransform[3] +
(nBlockYSize * nBlockYOff + nReqYSize) * (-dfYResolution);
OGRGeometryH hRectangle = OGR_G_CreateGeometry(wkbPolygon);
OGRGeometryH hLinearRing = OGR_G_CreateGeometry(wkbLinearRing);
OGR_G_AddPoint_2D(hLinearRing, minx, miny);
OGR_G_AddPoint_2D(hLinearRing, minx, maxy);
OGR_G_AddPoint_2D(hLinearRing, maxx, maxy);
OGR_G_AddPoint_2D(hLinearRing, maxx, miny);
OGR_G_AddPoint_2D(hLinearRing, minx, miny);
OGR_G_AddGeometryDirectly(hRectangle, hLinearRing);
OGR_F_SetGeometryDirectly(hFeat, hRectangle);
OGR_L_CreateFeature(hMetadataLayer, hFeat);
OGR_F_Destroy(hFeat);
nBlocks++;
if (pfnProgress && !pfnProgress(1.0 * nBlocks / nTotalBlocks,
NULL, pProgressData))
eErr = CE_Failure;
}
}
nLimitOvrCount = -1;
if (eErr == CE_None)
OGR_DS_ExecuteSQL(hDS, "COMMIT", NULL, NULL);
else
OGR_DS_ExecuteSQL(hDS, "ROLLBACK", NULL, NULL);
VSIFree(pabyMEMDSBuffer);
/* -------------------------------------------------------------------- */
/* Update raster_pyramids table */
/* -------------------------------------------------------------------- */
if (eErr == CE_None)
{
OGRLayerH hRasterPyramidsLyr = OGR_DS_GetLayerByName(hDS, "raster_pyramids");
if (hRasterPyramidsLyr == NULL)
{
osSQL.Printf ("CREATE TABLE raster_pyramids ("
"table_prefix TEXT NOT NULL,"
"pixel_x_size DOUBLE NOT NULL,"
"pixel_y_size DOUBLE NOT NULL,"
"tile_count INTEGER NOT NULL)");
OGR_DS_ExecuteSQL(hDS, osSQL.c_str(), NULL, NULL);
/* Re-open the DB to take into account the new tables*/
OGRReleaseDataSource(hDS);
CPLString osOldVal = CPLGetConfigOption("SQLITE_LIST_ALL_TABLES", "FALSE");
CPLSetThreadLocalConfigOption("SQLITE_LIST_ALL_TABLES", "TRUE");
hDS = OGROpen(osFileName.c_str(), TRUE, NULL);
CPLSetThreadLocalConfigOption("SQLITE_LIST_ALL_TABLES", osOldVal.c_str());
}
/* Insert base resolution into raster_pyramids if not already done */
int bHasBaseResolution = FALSE;
osSQL.Printf("SELECT * FROM raster_pyramids WHERE "
"table_prefix = '%s' AND pixel_x_size >= %.15f AND pixel_x_size <= %.15f AND "
"pixel_y_size >= %.15f AND pixel_y_size <= %.15f",
osTableName.c_str(),
padfXResolutions[0] - 1e-15, padfXResolutions[0] + 1e-15,
padfYResolutions[0] - 1e-15, padfYResolutions[0] + 1e-15);
hSQLLyr = OGR_DS_ExecuteSQL(hDS, osSQL.c_str(), NULL, NULL);
if (hSQLLyr)
{
OGRFeatureH hFeat = OGR_L_GetNextFeature(hSQLLyr);
if (hFeat)
{
bHasBaseResolution = TRUE;
OGR_F_Destroy(hFeat);
}
OGR_DS_ReleaseResultSet(hDS, hSQLLyr);
}
if (!bHasBaseResolution)
{
osSQL.Printf("SELECT COUNT(*) FROM \"%s\" WHERE "
"pixel_x_size >= %.15f AND pixel_x_size <= %.15f AND "
"pixel_y_size >= %.15f AND pixel_y_size <= %.15f",
osMetatadataLayer.c_str(),
padfXResolutions[0] - 1e-15, padfXResolutions[0] + 1e-15,
padfYResolutions[0] - 1e-15, padfYResolutions[0] + 1e-15);
int nBlocksMainRes = 0;
hSQLLyr = OGR_DS_ExecuteSQL(hDS, osSQL.c_str(), NULL, NULL);
if (hSQLLyr)
{
OGRFeatureH hFeat = OGR_L_GetNextFeature(hSQLLyr);
if (hFeat)
{
nBlocksMainRes = OGR_F_GetFieldAsInteger(hFeat, 0);
OGR_F_Destroy(hFeat);
}
OGR_DS_ReleaseResultSet(hDS, hSQLLyr);
}
osSQL.Printf("INSERT INTO raster_pyramids "
"( table_prefix, pixel_x_size, pixel_y_size, tile_count ) "
"VALUES ( '%s', %.18f, %.18f, %d )",
osTableName.c_str(), padfXResolutions[0], padfYResolutions[0],
nBlocksMainRes);
OGR_DS_ExecuteSQL(hDS, osSQL.c_str(), NULL, NULL);
}
osSQL.Printf("INSERT INTO raster_pyramids "
"( table_prefix, pixel_x_size, pixel_y_size, tile_count ) "
"VALUES ( '%s', %.18f, %.18f, %d )",
osTableName.c_str(), dfXResolution, dfYResolution,
nTotalBlocks);
OGR_DS_ExecuteSQL(hDS, osSQL.c_str(), NULL, NULL);
}
return eErr;
}
void AttributeFilter::UpdateGEOSBuffer(PointBuffer& buffer, AttributeInfo& info)
{
QuadIndex idx(buffer);
idx.build();
if (!info.lyr) // wake up the layer
{
if (info.layer.size())
info.lyr = OGR_DS_GetLayerByName(info.ds.get(), info.layer.c_str());
else if (info.query.size())
{
info.lyr = OGR_DS_ExecuteSQL(info.ds.get(), info.query.c_str(), 0, 0);
}
else
info.lyr = OGR_DS_GetLayer(info.ds.get(), 0);
if (!info.lyr)
{
std::ostringstream oss;
oss << "Unable to select layer '" << info.layer << "'";
throw pdal_error(oss.str());
}
}
OGRFeaturePtr feature = OGRFeaturePtr(OGR_L_GetNextFeature(info.lyr), OGRFeatureDeleter());
int field_index(1); // default to first column if nothing was set
if (info.column.size())
{
field_index = OGR_F_GetFieldIndex(feature.get(), info.column.c_str());
if (field_index == -1)
{
std::ostringstream oss;
oss << "No column name '" << info.column << "' was found.";
throw pdal_error(oss.str());
}
}
while(feature)
{
OGRGeometryH geom = OGR_F_GetGeometryRef(feature.get());
OGRwkbGeometryType t = OGR_G_GetGeometryType(geom);
int f_count = OGR_F_GetFieldCount (feature.get());
if (!(t == wkbPolygon ||
t == wkbMultiPolygon ||
t == wkbPolygon25D ||
t == wkbMultiPolygon25D))
{
std::ostringstream oss;
oss << "Geometry is not Polygon or MultiPolygon!";
throw pdal::pdal_error(oss.str());
}
OGRGeometry* ogr_g = (OGRGeometry*) geom;
GEOSGeometry* geos_g (0);
if (!m_geosEnvironment)
{
#if (GDAL_VERSION_MINOR < 11) && (GDAL_VERSION_MAJOR == 1)
geos_g = ogr_g->exportToGEOS();
#else
m_geosEnvironment = ogr_g->createGEOSContext();
geos_g = ogr_g->exportToGEOS(m_geosEnvironment);
#endif
}
GEOSPreparedGeometry const* geos_pg = GEOSPrepare_r(m_geosEnvironment, geos_g);
if (!geos_pg)
throw pdal_error("unable to prepare geometry for index-accelerated intersection");
// Compute a total bounds for the geometry. Query the QuadTree to
// find out the points that are inside the bbox. Then test each
// point in the bbox against the prepared geometry.
BOX3D box = computeBounds(m_geosEnvironment, geos_g);
std::vector<std::size_t> ids = idx.getPoints(box);
for (const auto& i : ids)
{
double x = buffer.getFieldAs<double>(Dimension::Id::X, i);
double y = buffer.getFieldAs<double>(Dimension::Id::Y, i);
double z = buffer.getFieldAs<double>(Dimension::Id::Z, i);
GEOSGeometry* p = createGEOSPoint(m_geosEnvironment, x, y ,z);
if (static_cast<bool>(GEOSPreparedContains_r(m_geosEnvironment, geos_pg, p)))
{
// We're in the poly, write the attribute value
int32_t v = OGR_F_GetFieldAsInteger(feature.get(), field_index);
buffer.setField(info.dim, i, v);
// log()->get(LogLevel::Debug) << "Setting value: " << v << std::endl;
}
GEOSGeom_destroy_r(m_geosEnvironment, p);
}
feature = OGRFeaturePtr(OGR_L_GetNextFeature(info.lyr), OGRFeatureDeleter());
}
}
GDALDataset *
RasterliteCreateCopy( const char * pszFilename, GDALDataset *poSrcDS,
int bStrict, char ** papszOptions,
GDALProgressFunc pfnProgress, void * pProgressData )
{
int nBands = poSrcDS->GetRasterCount();
if (nBands == 0)
{
CPLError(CE_Failure, CPLE_NotSupported, "nBands == 0");
return NULL;
}
const char* pszDriverName = CSLFetchNameValueDef(papszOptions, "DRIVER", "GTiff");
GDALDriverH hTileDriver = GDALGetDriverByName(pszDriverName);
if ( hTileDriver == NULL)
{
CPLError(CE_Failure, CPLE_AppDefined, "Cannot load GDAL %s driver", pszDriverName);
return NULL;
}
GDALDriverH hMemDriver = GDALGetDriverByName("MEM");
if (hMemDriver == NULL)
{
CPLError(CE_Failure, CPLE_AppDefined, "Cannot load GDAL MEM driver");
return NULL;
}
int nXSize = GDALGetRasterXSize(poSrcDS);
int nYSize = GDALGetRasterYSize(poSrcDS);
double adfGeoTransform[6];
if (poSrcDS->GetGeoTransform(adfGeoTransform) != CE_None)
{
adfGeoTransform[0] = 0;
adfGeoTransform[1] = 1;
adfGeoTransform[2] = 0;
adfGeoTransform[3] = 0;
adfGeoTransform[4] = 0;
adfGeoTransform[5] = -1;
}
else if (adfGeoTransform[2] != 0.0 || adfGeoTransform[4] != 0.0)
{
CPLError(CE_Failure, CPLE_AppDefined, "Cannot use geotransform with rotational terms");
return NULL;
}
int bTiled = CSLTestBoolean(CSLFetchNameValueDef(papszOptions, "TILED", "YES"));
int nBlockXSize, nBlockYSize;
if (bTiled)
{
nBlockXSize = atoi(CSLFetchNameValueDef(papszOptions, "BLOCKXSIZE", "256"));
nBlockYSize = atoi(CSLFetchNameValueDef(papszOptions, "BLOCKYSIZE", "256"));
if (nBlockXSize < 64) nBlockXSize = 64;
else if (nBlockXSize > 4096) nBlockXSize = 4096;
if (nBlockYSize < 64) nBlockYSize = 64;
else if (nBlockYSize > 4096) nBlockYSize = 4096;
}
else
{
nBlockXSize = nXSize;
nBlockYSize = nYSize;
}
/* -------------------------------------------------------------------- */
/* Analyze arguments */
/* -------------------------------------------------------------------- */
CPLString osDBName;
CPLString osTableName;
VSIStatBuf sBuf;
int bExists;
/* Skip optionnal RASTERLITE: prefix */
const char* pszFilenameWithoutPrefix = pszFilename;
if (EQUALN(pszFilename, "RASTERLITE:", 11))
pszFilenameWithoutPrefix += 11;
char** papszTokens = CSLTokenizeStringComplex(
pszFilenameWithoutPrefix, ", ", FALSE, FALSE );
int nTokens = CSLCount(papszTokens);
if (nTokens == 0)
{
osDBName = pszFilenameWithoutPrefix;
osTableName = CPLGetBasename(pszFilenameWithoutPrefix);
}
else
{
osDBName = papszTokens[0];
int i;
for(i=1;i<nTokens;i++)
{
if (EQUALN(papszTokens[i], "table=", 6))
osTableName = papszTokens[i] + 6;
else
{
CPLError(CE_Warning, CPLE_AppDefined,
"Invalid option : %s", papszTokens[i]);
}
}
}
CSLDestroy(papszTokens);
papszTokens = NULL;
bExists = (VSIStat(osDBName.c_str(), &sBuf) == 0);
if (osTableName.size() == 0)
{
if (bExists)
{
CPLError(CE_Failure, CPLE_AppDefined,
"Database already exists. Explicit table name must be specified");
return NULL;
}
osTableName = CPLGetBasename(osDBName.c_str());
}
CPLString osRasterLayer;
osRasterLayer.Printf("%s_rasters", osTableName.c_str());
CPLString osMetatadataLayer;
osMetatadataLayer.Printf("%s_metadata", osTableName.c_str());
/* -------------------------------------------------------------------- */
/* Create or open the SQLite DB */
/* -------------------------------------------------------------------- */
if (OGRGetDriverCount() == 0)
OGRRegisterAll();
OGRSFDriverH hSQLiteDriver = OGRGetDriverByName("SQLite");
if (hSQLiteDriver == NULL)
{
CPLError(CE_Failure, CPLE_AppDefined, "Cannot load OGR SQLite driver");
return NULL;
}
OGRDataSourceH hDS;
CPLString osOldVal =
CPLGetConfigOption("SQLITE_LIST_ALL_TABLES", "FALSE");
CPLSetConfigOption("SQLITE_LIST_ALL_TABLES", "TRUE");
if (!bExists)
{
char** papszOGROptions = CSLAddString(NULL, "SPATIALITE=YES");
hDS = OGR_Dr_CreateDataSource(hSQLiteDriver,
osDBName.c_str(), papszOGROptions);
CSLDestroy(papszOGROptions);
}
else
{
hDS = OGROpen(osDBName.c_str(), TRUE, NULL);
}
CPLSetConfigOption("SQLITE_LIST_ALL_TABLES", osOldVal.c_str());
if (hDS == NULL)
{
CPLError(CE_Failure, CPLE_AppDefined,
"Cannot load or create SQLite database");
return NULL;
}
CPLString osSQL;
/* -------------------------------------------------------------------- */
/* Get the SRID for the SRS */
/* -------------------------------------------------------------------- */
int nSRSId = RasterliteInsertSRID(hDS, poSrcDS->GetProjectionRef());
/* -------------------------------------------------------------------- */
/* Create or wipe existing tables */
/* -------------------------------------------------------------------- */
int bWipeExistingData =
CSLTestBoolean(CSLFetchNameValueDef(papszOptions, "WIPE", "NO"));
hDS = RasterliteCreateTables(hDS, osTableName.c_str(),
nSRSId, bWipeExistingData);
if (hDS == NULL)
return NULL;
OGRLayerH hRasterLayer = OGR_DS_GetLayerByName(hDS, osRasterLayer.c_str());
OGRLayerH hMetadataLayer = OGR_DS_GetLayerByName(hDS, osMetatadataLayer.c_str());
if (hRasterLayer == NULL || hMetadataLayer == NULL)
{
CPLError(CE_Failure, CPLE_AppDefined,
"Cannot find metadata and/or raster tables");
OGRReleaseDataSource(hDS);
return NULL;
}
/* -------------------------------------------------------------------- */
/* Check if there is overlapping data and warn the user */
/* -------------------------------------------------------------------- */
double minx = adfGeoTransform[0];
double maxx = adfGeoTransform[0] + nXSize * adfGeoTransform[1];
double maxy = adfGeoTransform[3];
double miny = adfGeoTransform[3] + nYSize * adfGeoTransform[5];
osSQL.Printf("SELECT COUNT(geometry) FROM \"%s\" "
"WHERE rowid IN "
"(SELECT pkid FROM \"idx_%s_metadata_geometry\" "
"WHERE xmin < %.15f AND xmax > %.15f "
"AND ymin < %.15f AND ymax > %.15f) "
"AND pixel_x_size >= %.15f AND pixel_x_size <= %.15f AND "
"pixel_y_size >= %.15f AND pixel_y_size <= %.15f",
osMetatadataLayer.c_str(),
osTableName.c_str(),
maxx, minx, maxy, miny,
adfGeoTransform[1] - 1e-15, adfGeoTransform[1] + 1e-15,
- adfGeoTransform[5] - 1e-15, - adfGeoTransform[5] + 1e-15);
int nOverlappingGeoms = 0;
OGRLayerH hCountLyr = OGR_DS_ExecuteSQL(hDS, osSQL.c_str(), NULL, NULL);
if (hCountLyr)
{
OGRFeatureH hFeat = OGR_L_GetNextFeature(hCountLyr);
if (hFeat)
{
nOverlappingGeoms = OGR_F_GetFieldAsInteger(hFeat, 0);
OGR_F_Destroy(hFeat);
}
OGR_DS_ReleaseResultSet(hDS, hCountLyr);
}
if (nOverlappingGeoms != 0)
{
CPLError(CE_Warning, CPLE_AppDefined,
"Raster tiles already exist in the %s table within "
"the extent of the data to be inserted in",
osTableName.c_str());
}
/* -------------------------------------------------------------------- */
/* Iterate over blocks to add data into raster and metadata tables */
/* -------------------------------------------------------------------- */
int nXBlocks = (nXSize + nBlockXSize - 1) / nBlockXSize;
int nYBlocks = (nYSize + nBlockYSize - 1) / nBlockYSize;
GDALDataType eDataType = poSrcDS->GetRasterBand(1)->GetRasterDataType();
int nDataTypeSize = GDALGetDataTypeSize(eDataType) / 8;
GByte* pabyMEMDSBuffer =
(GByte*)VSIMalloc3(nBlockXSize, nBlockYSize, nBands * nDataTypeSize);
if (pabyMEMDSBuffer == NULL)
{
OGRReleaseDataSource(hDS);
return NULL;
}
CPLString osTempFileName;
osTempFileName.Printf("/vsimem/%p", hDS);
int nTileId = 0;
int nBlocks = 0;
int nTotalBlocks = nXBlocks * nYBlocks;
char** papszTileDriverOptions = RasterliteGetTileDriverOptions(papszOptions);
OGR_DS_ExecuteSQL(hDS, "BEGIN", NULL, NULL);
CPLErr eErr = CE_None;
int nBlockXOff, nBlockYOff;
for(nBlockYOff=0;eErr == CE_None && nBlockYOff<nYBlocks;nBlockYOff++)
{
for(nBlockXOff=0;eErr == CE_None && nBlockXOff<nXBlocks;nBlockXOff++)
{
/* -------------------------------------------------------------------- */
/* Create in-memory tile */
/* -------------------------------------------------------------------- */
int nReqXSize = nBlockXSize, nReqYSize = nBlockYSize;
if ((nBlockXOff+1) * nBlockXSize > nXSize)
nReqXSize = nXSize - nBlockXOff * nBlockXSize;
if ((nBlockYOff+1) * nBlockYSize > nYSize)
nReqYSize = nYSize - nBlockYOff * nBlockYSize;
eErr = poSrcDS->RasterIO(GF_Read,
nBlockXOff * nBlockXSize,
nBlockYOff * nBlockYSize,
nReqXSize, nReqYSize,
pabyMEMDSBuffer, nReqXSize, nReqYSize,
eDataType, nBands, NULL,
0, 0, 0);
if (eErr != CE_None)
{
break;
}
GDALDatasetH hMemDS = GDALCreate(hMemDriver, "MEM:::",
nReqXSize, nReqYSize, 0,
eDataType, NULL);
if (hMemDS == NULL)
{
eErr = CE_Failure;
break;
}
int iBand;
for(iBand = 0; iBand < nBands; iBand ++)
{
char** papszMEMDSOptions = NULL;
char szTmp[64];
memset(szTmp, 0, sizeof(szTmp));
CPLPrintPointer(szTmp,
pabyMEMDSBuffer + iBand * nDataTypeSize *
nReqXSize * nReqYSize, sizeof(szTmp));
papszMEMDSOptions = CSLSetNameValue(papszMEMDSOptions, "DATAPOINTER", szTmp);
GDALAddBand(hMemDS, eDataType, papszMEMDSOptions);
CSLDestroy(papszMEMDSOptions);
}
GDALDatasetH hOutDS = GDALCreateCopy(hTileDriver,
osTempFileName.c_str(), hMemDS, FALSE,
papszTileDriverOptions, NULL, NULL);
GDALClose(hMemDS);
if (hOutDS)
GDALClose(hOutDS);
else
{
eErr = CE_Failure;
break;
}
/* -------------------------------------------------------------------- */
/* Insert new entry into raster table */
/* -------------------------------------------------------------------- */
vsi_l_offset nDataLength;
GByte *pabyData = VSIGetMemFileBuffer( osTempFileName.c_str(),
&nDataLength, FALSE);
OGRFeatureH hFeat = OGR_F_Create( OGR_L_GetLayerDefn(hRasterLayer) );
OGR_F_SetFieldBinary(hFeat, 0, (int)nDataLength, pabyData);
OGR_L_CreateFeature(hRasterLayer, hFeat);
/* Query raster ID to set it as the ID of the associated metadata */
int nRasterID = (int)OGR_F_GetFID(hFeat);
OGR_F_Destroy(hFeat);
VSIUnlink(osTempFileName.c_str());
/* -------------------------------------------------------------------- */
/* Insert new entry into metadata table */
/* -------------------------------------------------------------------- */
hFeat = OGR_F_Create( OGR_L_GetLayerDefn(hMetadataLayer) );
OGR_F_SetFID(hFeat, nRasterID);
OGR_F_SetFieldString(hFeat, 0, GDALGetDescription(poSrcDS));
OGR_F_SetFieldInteger(hFeat, 1, nTileId ++);
OGR_F_SetFieldInteger(hFeat, 2, nReqXSize);
OGR_F_SetFieldInteger(hFeat, 3, nReqYSize);
OGR_F_SetFieldDouble(hFeat, 4, adfGeoTransform[1]);
OGR_F_SetFieldDouble(hFeat, 5, -adfGeoTransform[5]);
minx = adfGeoTransform[0] +
(nBlockXSize * nBlockXOff) * adfGeoTransform[1];
maxx = adfGeoTransform[0] +
(nBlockXSize * nBlockXOff + nReqXSize) * adfGeoTransform[1];
maxy = adfGeoTransform[3] +
(nBlockYSize * nBlockYOff) * adfGeoTransform[5];
miny = adfGeoTransform[3] +
(nBlockYSize * nBlockYOff + nReqYSize) * adfGeoTransform[5];
OGRGeometryH hRectangle = OGR_G_CreateGeometry(wkbPolygon);
OGRGeometryH hLinearRing = OGR_G_CreateGeometry(wkbLinearRing);
OGR_G_AddPoint_2D(hLinearRing, minx, miny);
OGR_G_AddPoint_2D(hLinearRing, minx, maxy);
OGR_G_AddPoint_2D(hLinearRing, maxx, maxy);
OGR_G_AddPoint_2D(hLinearRing, maxx, miny);
OGR_G_AddPoint_2D(hLinearRing, minx, miny);
OGR_G_AddGeometryDirectly(hRectangle, hLinearRing);
OGR_F_SetGeometryDirectly(hFeat, hRectangle);
OGR_L_CreateFeature(hMetadataLayer, hFeat);
OGR_F_Destroy(hFeat);
nBlocks++;
if (pfnProgress && !pfnProgress(1.0 * nBlocks / nTotalBlocks,
NULL, pProgressData))
eErr = CE_Failure;
}
}
if (eErr == CE_None)
OGR_DS_ExecuteSQL(hDS, "COMMIT", NULL, NULL);
else
OGR_DS_ExecuteSQL(hDS, "ROLLBACK", NULL, NULL);
CSLDestroy(papszTileDriverOptions);
VSIFree(pabyMEMDSBuffer);
OGRReleaseDataSource(hDS);
return (GDALDataset*) GDALOpen(pszFilename, GA_Update);
}
void TIndexReader::initialize()
{
if (!m_bounds.empty())
m_wkt = m_bounds.toWKT();
m_out_ref.reset(new gdal::SpatialRef());
log()->get(LogLevel::Debug) << "Opening file " << m_filename <<
std::endl;
gdal::registerDrivers();
m_dataset = OGROpen(m_filename.c_str(), FALSE, NULL);
if (!m_dataset)
{
std::stringstream oss;
oss << "unable to datasource '" << m_filename << "'";
throw pdal::pdal_error(oss.str());
}
OGRGeometryH geometry(0);
if (m_sql.size())
{
m_layer = OGR_DS_ExecuteSQL(m_dataset, m_sql.c_str(), geometry,
m_dialect.c_str());
}
else
{
m_layer = OGR_DS_GetLayerByName(m_dataset, m_layerName.c_str());
}
if (!m_layer)
{
std::stringstream oss;
oss << getName() << ": Unable to open layer '" << m_layerName <<
"' from OGR datasource '" << m_filename << "'";
throw pdal::pdal_error(oss.str());
}
m_out_ref->setFromLayer(m_layer);
// Override the SRS if the user set one, otherwise, take it
// from the layer
if (m_tgtSrsString.size())
m_out_ref.reset(new gdal::SpatialRef(m_tgtSrsString));
else
m_out_ref.reset(new gdal::SpatialRef(m_out_ref->wkt()));
setSpatialReference(SpatialReference(m_out_ref->wkt()));
std::unique_ptr<gdal::Geometry> wkt_g;
// If the user set either explicit 'polygon' or 'boundary' options
// we will filter by that geometry. The user can set a 'filter_srs'
// option to override the SRS of the input geometry and we will
// reproject to the output projection as needed.
if (m_wkt.size())
{
// Reproject the given wkt to the output SRS so
// filtering/cropping works
gdal::SpatialRef assign(m_filterSRS);
gdal::Geometry before(m_wkt, assign);
before.transform(*m_out_ref);
wkt_g.reset (new gdal::Geometry(before.wkt(), *m_out_ref));
geometry = wkt_g->get();
m_wkt = wkt_g->wkt();
OGR_L_SetSpatialFilter(m_layer, geometry);
}
if (m_attributeFilter.size())
{
OGRErr err = OGR_L_SetAttributeFilter(m_layer,
m_attributeFilter.c_str());
if (err != OGRERR_NONE)
{
std::stringstream oss;
oss << getName() << ": Unable to set attribute filter '"
<< m_attributeFilter << "' for OGR datasource '"
<< m_filename << "'";
throw pdal::pdal_error(oss.str());
}
}
Options cropOptions;
if (m_wkt.size())
cropOptions.add("polygon", m_wkt);
for (auto f : getFiles())
{
log()->get(LogLevel::Debug) << "Adding file "
<< f.m_filename
<< " to merge filter" <<std::endl;
std::string driver = m_factory.inferReaderDriver(f.m_filename);
Stage *reader = m_factory.createStage(driver);
if (!reader)
{
std::stringstream out;
out << "Unable to create reader for file '"
<< f.m_filename << "'.";
throw pdal_error(out.str());
}
Options readerOptions;
readerOptions.add("filename", f.m_filename);
reader->setOptions(readerOptions);
Stage *premerge = reader;
if (m_tgtSrsString != f.m_srs &&
(m_tgtSrsString.size() && f.m_srs.size()))
{
Stage *repro = m_factory.createStage("filters.reprojection");
repro->setInput(*reader);
Options reproOptions;
reproOptions.add("out_srs", m_tgtSrsString);
reproOptions.add("in_srs", f.m_srs);
log()->get(LogLevel::Debug2) << "Repro = "
<< m_tgtSrsString << "/"
<< f.m_srs << "!\n";
repro->setOptions(reproOptions);
premerge = repro;
}
// WKT is set even if we're using a bounding box for filtering, so
// can be used as a test here.
if (!m_wkt.empty())
{
Stage *crop = m_factory.createStage("filters.crop");
crop->setOptions(cropOptions);
crop->setInput(*premerge);
log()->get(LogLevel::Debug3) << "Cropping data with wkt '"
<< m_wkt << "'" << std::endl;
premerge = crop;
}
m_merge.setInput(*premerge);
}
if (m_sql.size())
{
// We were created with OGR_DS_ExecuteSQL which needs to have
// its layer explicitly released
OGR_DS_ReleaseResultSet(m_dataset, m_layer);
}
else
{
OGR_DS_Destroy(m_dataset);
}
m_layer = 0;
m_dataset = 0;
}
int readoutlets(char *outletsds,char *lyrname, int uselayername,int outletslyr,OGRSpatialReferenceH hSRSRaster,int *noutlets, double*& x, double*& y,int*& id)
{
// initializing datasoruce,layer,feature, geomtery, spatial reference
OGRSFDriverH driver;
OGRDataSourceH hDS1;
OGRLayerH hLayer1;
OGRFeatureDefnH hFDefn1;
OGRFieldDefnH hFieldDefn1;
OGRFeatureH hFeature1;
OGRGeometryH geometry, line;
OGRSpatialReferenceH hRSOutlet;
// register all ogr driver related to OGR
OGRRegisterAll();
// open data source
hDS1 = OGROpen(outletsds, FALSE, NULL );
if( hDS1 == NULL )
{
printf( "Error Opening OGR Data Source .\n" );
return 1;
}
//get layer from layer name
if(uselayername==1) { hLayer1 = OGR_DS_GetLayerByName(hDS1,lyrname);}
//get layerinfo from layer number
else { hLayer1 = OGR_DS_GetLayer(hDS1,outletslyr);} // get layerinfo from layername
if(hLayer1 == NULL)getlayerfail(hDS1,outletsds,outletslyr);
OGRwkbGeometryType gtype;
gtype=OGR_L_GetGeomType(hLayer1);
// Test that the type is a point
if(gtype != wkbPoint)getlayerfail(hDS1,outletsds,outletslyr);
const char* RasterProjectionName;
const char* sprs;
const char* sprso;
const char* OutletProjectionName;
int pj_raster,pj_outlet;
// Spatial reference of outlet
hRSOutlet = OGR_L_GetSpatialRef(hLayer1);
if(hSRSRaster!=NULL){
pj_raster=OSRIsProjected(hSRSRaster); // find if projected or not
if(pj_raster==0) {sprs="GEOGCS";} else { sprs="PROJCS"; }
RasterProjectionName = OSRGetAttrValue(hSRSRaster,sprs,0); // get projection name
}
if(hRSOutlet!=NULL){
pj_outlet=OSRIsProjected(hRSOutlet);
if(pj_outlet==0) {sprso="GEOGCS";} else { sprso="PROJCS"; }
OutletProjectionName = OSRGetAttrValue(hRSOutlet,sprso,0);
}
//Write warnings where projections may not match
if(hRSOutlet!=NULL && hSRSRaster!=NULL){
if (pj_raster==pj_outlet){
int rc= strcmp(RasterProjectionName,OutletProjectionName); // compare string
if(rc!=0){
printf( "Warning: Projection of Outlet feature and Raster data may be different.\n" );
printf("Projection of Raster datasource %s.\n",RasterProjectionName);
printf("Projection of Outlet feature %s.\n",OutletProjectionName);
}
}
else {
printf( "Warning: Spatial References of Outlet feature and Raster data are different.\n" );
printf("Projection of Raster datasource %s.\n",RasterProjectionName);
printf("Projection of Outlet feature %s.\n",OutletProjectionName);
}
}
else if(hSRSRaster==NULL && hRSOutlet!=NULL) {
printf( "Warning: Spatial Reference of Raster is missing.\n" );
printf("Projection of Outlet feature %s.\n",OutletProjectionName);
}
else if(hSRSRaster!=NULL && hRSOutlet==NULL) {
printf( "Warning: Spatial Reference of Outlet feature is missing.\n" );
printf("Projection of Raster datasource %s.\n",RasterProjectionName);
}
else {
printf( "Warning: Spatial References of Outlet feature and Raster data are missing.\n" );
}
long countPts=0;
// count number of feature
countPts=OGR_L_GetFeatureCount(hLayer1,0);
// get schema i.e geometry, properties (e.g. ID)
hFDefn1 = OGR_L_GetLayerDefn(hLayer1);
x = new double[countPts];
y = new double[countPts];
int iField;
int nxy=0;
id = new int[countPts];
// loop through each feature and get lat,lon and id information
OGR_L_ResetReading(hLayer1);
while( (hFeature1 = OGR_L_GetNextFeature(hLayer1)) != NULL ) {
//hFeature1=OGR_L_GetFeature(hLayer1,j); // get feature info
geometry = OGR_F_GetGeometryRef(hFeature1); // get geometry
x[nxy] = OGR_G_GetX(geometry, 0);
y[nxy] = OGR_G_GetY(geometry, 0);
int idfld =OGR_F_GetFieldIndex(hFeature1,"id");
if (idfld >= 0)
{
hFieldDefn1 = OGR_FD_GetFieldDefn( hFDefn1,idfld); // get field definiton based on index
if( OGR_Fld_GetType(hFieldDefn1) == OFTInteger ) {
id[nxy] =OGR_F_GetFieldAsInteger( hFeature1, idfld );} // get id value
}
else {
id[nxy]=1;// if there is no id field
}
nxy++; // count number of outlets point
OGR_F_Destroy( hFeature1 ); // destroy feature
}
*noutlets=nxy;
OGR_DS_Destroy( hDS1); // destroy data source
return 0;
}
/* return -1 on error */
static int read_dblinks_ogr(struct Map_info *Map)
{
struct dblinks *dbl;
dbl = Map->dblnk;
G_debug(3, "Searching for FID column in OGR DB");
#ifndef HAVE_OGR
G_warning(_("GRASS is not compiled with OGR support"));
#else
#if GDAL_VERSION_NUM > 1320 && HAVE_OGR /* seems to be fixed after 1320 release */
int nLayers;
char *ogr_fid_col;
G_debug(3, "GDAL_VERSION_NUM: %d", GDAL_VERSION_NUM);
if (Map->fInfo.ogr.ds == NULL) {
/* open the connection to fetch the FID column name */
OGRRegisterAll();
/* data source handle */
Map->fInfo.ogr.ds = OGROpen(Map->fInfo.ogr.dsn, FALSE, NULL);
if (Map->fInfo.ogr.ds == NULL) {
G_warning(_("Unable to open OGR data source '%s'"),
Map->fInfo.ogr.dsn);
return -1;
}
}
if (Map->fInfo.ogr.layer == NULL) {
/* get layer number */
nLayers = OGR_DS_GetLayerCount(Map->fInfo.ogr.ds); /* Layers = Maps in OGR DB */
G_debug(3, "%d layers (maps) found in data source", nLayers);
G_debug(3, "Trying to open OGR layer: %s", Map->fInfo.ogr.layer_name);
if (Map->fInfo.ogr.layer_name) {
Map->fInfo.ogr.layer = OGR_DS_GetLayerByName(Map->fInfo.ogr.ds, Map->fInfo.ogr.layer_name);
if (Map->fInfo.ogr.layer == NULL) {
OGR_DS_Destroy(Map->fInfo.ogr.ds);
Map->fInfo.ogr.ds = NULL;
G_warning(_("Unable to open OGR layer <%s>"),
Map->fInfo.ogr.layer_name);
return -1;
}
}
}
/* get fid column */
ogr_fid_col = G_store(OGR_L_GetFIDColumn(Map->fInfo.ogr.layer));
G_debug(3, "Using FID column <%s> in OGR DB", ogr_fid_col);
Vect_add_dblink(dbl, 1, Map->fInfo.ogr.layer_name,
Map->fInfo.ogr.layer_name, ogr_fid_col,
Map->fInfo.ogr.dsn, "ogr");
#else
dbDriver *driver;
dbCursor cursor;
dbString sql;
int FID = 0, OGC_FID = 0, OGR_FID = 0, GID = 0;
G_debug(3, "GDAL_VERSION_NUM: %d", GDAL_VERSION_NUM);
/* FID is not available for all OGR drivers */
db_init_string(&sql);
driver = db_start_driver_open_database("ogr", Map->fInfo.ogr.dsn);
if (driver == NULL) {
G_warning(_("Unable to open OGR DBMI driver"));
return -1;
}
/* this is a bit stupid, but above FID auto-detection doesn't work yet...: */
db_auto_print_errors(0);
sprintf(buf, "select FID from %s where FID > 0",
Map->fInfo.ogr.layer_name);
db_set_string(&sql, buf);
if (db_open_select_cursor(driver, &sql, &cursor, DB_SEQUENTIAL) !=
DB_OK) {
/* FID not available, so we try ogc_fid */
G_debug(3, "Failed. Now searching for ogc_fid column in OGR DB");
sprintf(buf, "select ogc_fid from %s where ogc_fid > 0",
Map->fInfo.ogr.layer_name);
db_set_string(&sql, buf);
if (db_open_select_cursor(driver, &sql, &cursor, DB_SEQUENTIAL) !=
DB_OK) {
/* Neither FID nor ogc_fid available, so we try ogr_fid */
G_debug(3,
"Failed. Now searching for ogr_fid column in OGR DB");
sprintf(buf, "select ogr_fid from %s where ogr_fid > 0",
Map->fInfo.ogr.layer_name);
db_set_string(&sql, buf);
if (db_open_select_cursor
(driver, &sql, &cursor, DB_SEQUENTIAL) != DB_OK) {
/* Neither FID nor ogc_fid available, so we try gid */
G_debug(3,
"Failed. Now searching for gid column in OGR DB");
sprintf(buf, "select gid from %s where gid > 0",
Map->fInfo.ogr.layer_name);
db_set_string(&sql, buf);
if (db_open_select_cursor
(driver, &sql, &cursor, DB_SEQUENTIAL) != DB_OK) {
/* neither FID nor ogc_fid nor ogr_fid nor gid available */
G_warning(_("All FID tests failed. Neither 'FID' nor 'ogc_fid' "
"nor 'ogr_fid' nor 'gid' available in OGR DB table"));
db_close_database_shutdown_driver(driver);
return 0;
}
else
GID = 1;
}
else
OGR_FID = 1;
}
else
OGC_FID = 1;
}
else
FID = 1;
G_debug(3, "FID: %d, OGC_FID: %d, OGR_FID: %d, GID: %d", FID, OGC_FID,
OGR_FID, GID);
db_close_cursor(&cursor);
db_close_database_shutdown_driver(driver);
db_auto_print_errors(1);
if (FID) {
G_debug(3, "Using FID column in OGR DB");
Vect_add_dblink(dbl, 1, Map->fInfo.ogr.layer_name, Map->fInfo.ogr.layer_name, "FID",
Map->fInfo.ogr.dsn, "ogr");
}
else {
if (OGC_FID) {
G_debug(3, "Using ogc_fid column in OGR DB");
Vect_add_dblink(dbl, 1, Map->fInfo.ogr.layer_name, Map->fInfo.ogr.layer_name,
"ogc_fid", Map->fInfo.ogr.dsn, "ogr");
}
else {
if (OGR_FID) {
G_debug(3, "Using ogr_fid column in OGR DB");
Vect_add_dblink(dbl, 1, Map->fInfo.ogr.layer_name, Map->fInfo.ogr.layer_name,
"ogr_fid", Map->fInfo.ogr.dsn, "ogr");
}
else {
if (GID) {
G_debug(3, "Using gid column in OGR DB");
Vect_add_dblink(dbl, 1, Map->fInfo.ogr.layer_name,
Map->fInfo.ogr.layer_name, "gid",
Map->fInfo.ogr.dsn, "ogr");
}
}
}
}
#endif /* GDAL_VERSION_NUM > 1320 && HAVE_OGR */
return 1;
#endif /* HAVE_GDAL */
}
CPLErr RasterliteDataset::ReloadOverviews()
{
if (nLevel != 0)
return CE_Failure;
/* -------------------------------------------------------------------- */
/* Fetch resolutions */
/* -------------------------------------------------------------------- */
CPLString osSQL;
OGRLayerH hRasterPyramidsLyr = OGR_DS_GetLayerByName(hDS, "raster_pyramids");
if (hRasterPyramidsLyr)
{
osSQL.Printf("SELECT pixel_x_size, pixel_y_size "
"FROM raster_pyramids WHERE table_prefix = '%s' "
"ORDER BY pixel_x_size ASC",
osTableName.c_str());
}
else
{
osSQL.Printf("SELECT DISTINCT(pixel_x_size), pixel_y_size "
"FROM \"%s_metadata\" WHERE pixel_x_size != 0 "
"ORDER BY pixel_x_size ASC",
osTableName.c_str());
}
OGRLayerH hSQLLyr = OGR_DS_ExecuteSQL(hDS, osSQL.c_str(), NULL, NULL);
if (hSQLLyr == NULL)
{
if (hRasterPyramidsLyr == NULL)
return CE_Failure;
osSQL.Printf("SELECT DISTINCT(pixel_x_size), pixel_y_size "
"FROM \"%s_metadata\" WHERE pixel_x_size != 0 "
"ORDER BY pixel_x_size ASC",
osTableName.c_str());
hSQLLyr = OGR_DS_ExecuteSQL(hDS, osSQL.c_str(), NULL, NULL);
if (hSQLLyr == NULL)
return CE_Failure;
}
/* -------------------------------------------------------------------- */
/* Cleanup */
/* -------------------------------------------------------------------- */
int i;
for(i=1;i<nResolutions;i++)
delete papoOverviews[i-1];
CPLFree(papoOverviews);
papoOverviews = NULL;
CPLFree(padfXResolutions);
padfXResolutions = NULL;
CPLFree(padfYResolutions);
padfYResolutions = NULL;
/* -------------------------------------------------------------------- */
/* Rebuild arrays */
/* -------------------------------------------------------------------- */
nResolutions = OGR_L_GetFeatureCount(hSQLLyr, TRUE);
padfXResolutions =
(double*)CPLMalloc(sizeof(double) * nResolutions);
padfYResolutions =
(double*)CPLMalloc(sizeof(double) * nResolutions);
i = 0;
OGRFeatureH hFeat;
while((hFeat = OGR_L_GetNextFeature(hSQLLyr)) != NULL)
{
padfXResolutions[i] = OGR_F_GetFieldAsDouble(hFeat, 0);
padfYResolutions[i] = OGR_F_GetFieldAsDouble(hFeat, 1);
OGR_F_Destroy(hFeat);
i ++;
}
OGR_DS_ReleaseResultSet(hDS, hSQLLyr);
hSQLLyr = NULL;
/* -------------------------------------------------------------------- */
/* Add overview levels as internal datasets */
/* -------------------------------------------------------------------- */
if (nResolutions > 1)
{
CPLString osRasterTableName = osTableName;
osRasterTableName += "_rasters";
OGRLayerH hRasterLyr = OGR_DS_GetLayerByName(hDS, osRasterTableName.c_str());
papoOverviews = (RasterliteDataset**)
CPLCalloc(nResolutions - 1, sizeof(RasterliteDataset*));
int nLev;
for(nLev=1;nLev<nResolutions;nLev++)
{
int nOvrBands;
GDALDataType eOvrDataType;
int nBlockXSize, nBlockYSize;
if (GetBlockParams(hRasterLyr, nLev, &nOvrBands, &eOvrDataType,
&nBlockXSize, &nBlockYSize))
{
if (eOvrDataType == GDT_Byte && nOvrBands == 1 && nBands == 3)
nOvrBands = 3;
papoOverviews[nLev-1] = new RasterliteDataset(this, nLev);
int iBand;
for(iBand=0;iBand<nBands;iBand++)
{
papoOverviews[nLev-1]->SetBand(iBand+1,
new RasterliteBand(papoOverviews[nLev-1], iBand+1, eOvrDataType,
nBlockXSize, nBlockYSize));
}
}
else
{
CPLError(CE_Failure, CPLE_AppDefined,
"Cannot find block characteristics for overview %d", nLev);
papoOverviews[nLev-1] = NULL;
}
}
}
return CE_None;
}
QgsOgrFeatureIterator::QgsOgrFeatureIterator( QgsOgrFeatureSource* source, bool ownSource, const QgsFeatureRequest& request )
: QgsAbstractFeatureIteratorFromSource<QgsOgrFeatureSource>( source, ownSource, request )
, ogrLayer( 0 )
, mSubsetStringSet( false )
, mGeometrySimplifier( NULL )
, mExpressionCompiled( false )
{
mFeatureFetched = false;
mConn = QgsOgrConnPool::instance()->acquireConnection( mSource->mFilePath );
if ( mSource->mLayerName.isNull() )
{
ogrLayer = OGR_DS_GetLayer( mConn->ds, mSource->mLayerIndex );
}
else
{
ogrLayer = OGR_DS_GetLayerByName( mConn->ds, TO8( mSource->mLayerName ) );
}
if ( !mSource->mSubsetString.isEmpty() )
{
ogrLayer = QgsOgrUtils::setSubsetString( ogrLayer, mConn->ds, mSource->mEncoding, mSource->mSubsetString );
mSubsetStringSet = true;
}
mFetchGeometry = ( !mRequest.filterRect().isNull() ) || !( mRequest.flags() & QgsFeatureRequest::NoGeometry );
QgsAttributeList attrs = ( mRequest.flags() & QgsFeatureRequest::SubsetOfAttributes ) ? mRequest.subsetOfAttributes() : mSource->mFields.allAttributesList();
// make sure we fetch just relevant fields
// unless it's a VRT data source filtered by geometry as we don't know which
// attributes make up the geometry and OGR won't fetch them to evaluate the
// filter if we choose to ignore them (fixes #11223)
if (( mSource->mDriverName != "VRT" && mSource->mDriverName != "OGR_VRT" ) || mRequest.filterRect().isNull() )
{
QgsOgrUtils::setRelevantFields( ogrLayer, mSource->mFields.count(), mFetchGeometry, attrs );
}
// spatial query to select features
if ( !mRequest.filterRect().isNull() )
{
const QgsRectangle& rect = mRequest.filterRect();
OGR_L_SetSpatialFilterRect( ogrLayer, rect.xMinimum(), rect.yMinimum(), rect.xMaximum(), rect.yMaximum() );
}
else
{
OGR_L_SetSpatialFilter( ogrLayer, 0 );
}
if ( request.filterType() == QgsFeatureRequest::FilterExpression
&& QSettings().value( "/qgis/compileExpressions", true ).toBool() )
{
QgsOgrExpressionCompiler compiler = QgsOgrExpressionCompiler( source );
QgsSqlExpressionCompiler::Result result = compiler.compile( request.filterExpression() );
if ( result == QgsSqlExpressionCompiler::Complete || result == QgsSqlExpressionCompiler::Partial )
{
QString whereClause = compiler.result();
if ( OGR_L_SetAttributeFilter( ogrLayer, whereClause.toLocal8Bit().data() ) == OGRERR_NONE )
{
//if only partial success when compiling expression, we need to double-check results using QGIS' expressions
mExpressionCompiled = ( result == QgsSqlExpressionCompiler::Complete );
}
}
else
{
OGR_L_SetAttributeFilter( ogrLayer, 0 );
}
}
else
{
OGR_L_SetAttributeFilter( ogrLayer, 0 );
}
//start with first feature
rewind();
}
int main( int argc, char *argv[] )
{
// Check that we are running against at least GDAL 1.4.
// Note to developers: if we use newer API, please change the requirement.
if( atoi(GDALVersionInfo("VERSION_NUM")) < 1400 )
{
fprintf(stderr,
"At least, GDAL >= 1.4.0 is required for this version of %s, "
"which was compiled against GDAL %s\n",
argv[0], GDAL_RELEASE_NAME);
exit(1);
}
GDALAllRegister();
OGRRegisterAll();
argc = GDALGeneralCmdLineProcessor( argc, &argv, 0 );
if( argc < 1 )
exit( -argc );
/* -------------------------------------------------------------------- */
/* Get commandline arguments other than the GDAL raster filenames. */
/* -------------------------------------------------------------------- */
const char* pszIndexLayerName = NULL;
const char *index_filename = NULL;
const char *tile_index = "location";
const char* pszDriverName = "ESRI Shapefile";
size_t nMaxFieldSize = 254;
bool write_absolute_path = false;
char* current_path = NULL;
bool skip_different_projection = false;
const char *pszTargetSRS = "";
bool bSetTargetSRS = false;
const char* pszSrcSRSName = NULL;
int i_SrcSRSName = -1;
bool bSrcSRSFormatSpecified = false;
SrcSRSFormat eSrcSRSFormat = FORMAT_AUTO;
int iArg = 1; // Used after for.
for( ; iArg < argc; iArg++ )
{
if( EQUAL(argv[iArg], "--utility_version") )
{
printf("%s was compiled against GDAL %s and is running against "
"GDAL %s\n",
argv[0], GDAL_RELEASE_NAME, GDALVersionInfo("RELEASE_NAME"));
CSLDestroy( argv );
return 0;
}
else if( EQUAL(argv[iArg],"--help") )
Usage(NULL);
else if( strcmp(argv[iArg],"-f") == 0 )
{
CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(1);
pszDriverName = argv[++iArg];
if( !EQUAL(pszDriverName, "ESRI Shapefile") )
nMaxFieldSize = 0;
}
else if( strcmp(argv[iArg],"-lyr_name") == 0 )
{
CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(1);
pszIndexLayerName = argv[++iArg];
}
else if( strcmp(argv[iArg],"-tileindex") == 0 )
{
CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(1);
tile_index = argv[++iArg];
}
else if( strcmp(argv[iArg],"-t_srs") == 0 )
{
CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(1);
pszTargetSRS = argv[++iArg];
bSetTargetSRS = true;
}
else if ( strcmp(argv[iArg],"-write_absolute_path") == 0 )
{
write_absolute_path = true;
}
else if ( strcmp(argv[iArg],"-skip_different_projection") == 0 )
{
skip_different_projection = true;
}
else if( strcmp(argv[iArg], "-src_srs_name") == 0 )
{
CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(1);
pszSrcSRSName = argv[++iArg];
}
else if( strcmp(argv[iArg], "-src_srs_format") == 0 )
{
const char* pszFormat;
bSrcSRSFormatSpecified = true;
CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(1);
pszFormat = argv[++iArg];
if( EQUAL(pszFormat, "AUTO") )
eSrcSRSFormat = FORMAT_AUTO;
else if( EQUAL(pszFormat, "WKT") )
eSrcSRSFormat = FORMAT_WKT;
else if( EQUAL(pszFormat, "EPSG") )
eSrcSRSFormat = FORMAT_EPSG;
else if( EQUAL(pszFormat, "PROJ") )
eSrcSRSFormat = FORMAT_PROJ;
}
else if( argv[iArg][0] == '-' )
Usage(CPLSPrintf("Unknown option name '%s'", argv[iArg]));
else if( index_filename == NULL )
{
index_filename = argv[iArg];
iArg++;
break;
}
}
if( index_filename == NULL )
Usage("No index filename specified.");
if( iArg == argc )
Usage("No file to index specified.");
if( bSrcSRSFormatSpecified && pszSrcSRSName == NULL )
Usage("-src_srs_name must be specified when -src_srs_format is "
"specified.");
/* -------------------------------------------------------------------- */
/* Create and validate target SRS if given. */
/* -------------------------------------------------------------------- */
OGRSpatialReferenceH hTargetSRS = NULL;
if( bSetTargetSRS )
{
if( skip_different_projection )
{
fprintf( stderr,
"Warning : -skip_different_projection does not apply "
"when -t_srs is requested.\n" );
}
hTargetSRS = OSRNewSpatialReference("");
// coverity[tainted_data]
if( OSRSetFromUserInput( hTargetSRS, pszTargetSRS ) != CE_None )
{
OSRDestroySpatialReference( hTargetSRS );
fprintf( stderr, "Invalid target SRS `%s'.\n",
pszTargetSRS );
exit(1);
}
}
/* -------------------------------------------------------------------- */
/* Open or create the target datasource */
/* -------------------------------------------------------------------- */
OGRDataSourceH hTileIndexDS = OGROpen( index_filename, TRUE, NULL );
OGRLayerH hLayer = NULL;
if( hTileIndexDS != NULL )
{
if( OGR_DS_GetLayerCount(hTileIndexDS) == 1 )
{
hLayer = OGR_DS_GetLayer(hTileIndexDS, 0);
}
else
{
if( pszIndexLayerName == NULL )
{
printf( "-lyr_name must be specified.\n" );
exit( 1 );
}
CPLPushErrorHandler(CPLQuietErrorHandler);
hLayer = OGR_DS_GetLayerByName(hTileIndexDS, pszIndexLayerName);
CPLPopErrorHandler();
}
}
else
{
printf( "Creating new index file...\n" );
OGRSFDriverH hDriver = OGRGetDriverByName( pszDriverName );
if( hDriver == NULL )
{
printf( "%s driver not available.\n", pszDriverName );
exit( 1 );
}
hTileIndexDS = OGR_Dr_CreateDataSource( hDriver, index_filename, NULL );
}
if( hTileIndexDS != NULL && hLayer == NULL )
{
OGRSpatialReferenceH hSpatialRef = NULL;
char* pszLayerName = NULL;
if( pszIndexLayerName == NULL )
{
VSIStatBuf sStat;
if( EQUAL(pszDriverName, "ESRI Shapefile") ||
VSIStat(index_filename, &sStat) == 0 )
{
pszLayerName = CPLStrdup(CPLGetBasename(index_filename));
}
else
{
printf( "-lyr_name must be specified.\n" );
exit( 1 );
}
}
else
{
pszLayerName = CPLStrdup(pszIndexLayerName);
}
/* get spatial reference for output file from target SRS (if set) */
/* or from first input file */
if( bSetTargetSRS )
{
hSpatialRef = OSRClone( hTargetSRS );
}
else
{
GDALDatasetH hDS = GDALOpen( argv[iArg], GA_ReadOnly );
if( hDS )
{
const char* pszWKT = GDALGetProjectionRef(hDS);
if (pszWKT != NULL && pszWKT[0] != '\0')
{
hSpatialRef = OSRNewSpatialReference(pszWKT);
}
GDALClose(hDS);
}
}
hLayer =
OGR_DS_CreateLayer( hTileIndexDS, pszLayerName, hSpatialRef,
wkbPolygon, NULL );
CPLFree(pszLayerName);
if( hSpatialRef )
OSRRelease(hSpatialRef);
if( hLayer )
{
OGRFieldDefnH hFieldDefn = OGR_Fld_Create( tile_index, OFTString );
if( nMaxFieldSize )
OGR_Fld_SetWidth( hFieldDefn, static_cast<int>(nMaxFieldSize));
OGR_L_CreateField( hLayer, hFieldDefn, TRUE );
OGR_Fld_Destroy(hFieldDefn);
if( pszSrcSRSName != NULL )
{
hFieldDefn = OGR_Fld_Create( pszSrcSRSName, OFTString );
if( nMaxFieldSize )
OGR_Fld_SetWidth( hFieldDefn, (int)nMaxFieldSize);
OGR_L_CreateField( hLayer, hFieldDefn, TRUE );
OGR_Fld_Destroy(hFieldDefn);
}
}
}
if( hTileIndexDS == NULL || hLayer == NULL )
{
fprintf( stderr, "Unable to open/create shapefile `%s'.\n",
index_filename );
exit(2);
}
OGRFeatureDefnH hFDefn = OGR_L_GetLayerDefn(hLayer);
const int ti_field = OGR_FD_GetFieldIndex( hFDefn, tile_index );
if( ti_field < 0 )
{
fprintf( stderr, "Unable to find field `%s' in file `%s'.\n",
tile_index, index_filename );
exit(2);
}
if( pszSrcSRSName != NULL )
i_SrcSRSName = OGR_FD_GetFieldIndex( hFDefn, pszSrcSRSName );
// Load in memory existing file names in SHP.
int nExistingFiles = static_cast<int>(OGR_L_GetFeatureCount(hLayer, FALSE));
if( nExistingFiles < 0)
nExistingFiles = 0;
char** existingFilesTab = NULL;
bool alreadyExistingProjectionRefValid = false;
char* alreadyExistingProjectionRef = NULL;
if( nExistingFiles > 0 )
{
OGRFeatureH hFeature = NULL;
existingFilesTab = static_cast<char **>(
CPLMalloc(nExistingFiles * sizeof(char*)));
for( int i = 0; i < nExistingFiles; i++ )
{
hFeature = OGR_L_GetNextFeature(hLayer);
existingFilesTab[i] =
CPLStrdup(OGR_F_GetFieldAsString( hFeature, ti_field ));
if( i == 0 )
{
GDALDatasetH hDS = GDALOpen(existingFilesTab[i], GA_ReadOnly );
if( hDS )
{
alreadyExistingProjectionRefValid = true;
alreadyExistingProjectionRef =
CPLStrdup(GDALGetProjectionRef(hDS));
GDALClose(hDS);
}
}
OGR_F_Destroy( hFeature );
}
}
if( write_absolute_path )
{
current_path = CPLGetCurrentDir();
if (current_path == NULL)
{
fprintf( stderr,
"This system does not support the CPLGetCurrentDir call. "
"The option -write_absolute_path will have no effect\n" );
write_absolute_path = FALSE;
}
}
/* -------------------------------------------------------------------- */
/* loop over GDAL files, processing. */
/* -------------------------------------------------------------------- */
for( ; iArg < argc; iArg++ )
{
char *fileNameToWrite = NULL;
VSIStatBuf sStatBuf;
// Make sure it is a file before building absolute path name.
if( write_absolute_path && CPLIsFilenameRelative( argv[iArg] ) &&
VSIStat( argv[iArg], &sStatBuf ) == 0 )
{
fileNameToWrite =
CPLStrdup(CPLProjectRelativeFilename(current_path, argv[iArg]));
}
else
{
fileNameToWrite = CPLStrdup(argv[iArg]);
}
// Checks that file is not already in tileindex.
{
int i = 0; // Used after for.
for( ; i < nExistingFiles; i++ )
{
if (EQUAL(fileNameToWrite, existingFilesTab[i]))
{
fprintf(stderr,
"File %s is already in tileindex. Skipping it.\n",
fileNameToWrite);
break;
}
}
if (i != nExistingFiles)
{
CPLFree(fileNameToWrite);
continue;
}
}
GDALDatasetH hDS = GDALOpen( argv[iArg], GA_ReadOnly );
if( hDS == NULL )
{
fprintf( stderr, "Unable to open %s, skipping.\n",
argv[iArg] );
CPLFree(fileNameToWrite);
continue;
}
double adfGeoTransform[6] = { 0.0, 0.0, 0.0, 0.0, 0.0, 0.0 };
GDALGetGeoTransform( hDS, adfGeoTransform );
if( adfGeoTransform[0] == 0.0
&& adfGeoTransform[1] == 1.0
&& adfGeoTransform[3] == 0.0
&& std::abs(adfGeoTransform[5]) == 1.0 )
{
fprintf( stderr,
"It appears no georeferencing is available for\n"
"`%s', skipping.\n",
argv[iArg] );
GDALClose( hDS );
CPLFree(fileNameToWrite);
continue;
}
const char *projectionRef = GDALGetProjectionRef(hDS);
// If not set target srs, test that the current file uses same
// projection as others.
if( !bSetTargetSRS )
{
if( alreadyExistingProjectionRefValid )
{
int projectionRefNotNull, alreadyExistingProjectionRefNotNull;
projectionRefNotNull = projectionRef && projectionRef[0];
alreadyExistingProjectionRefNotNull =
alreadyExistingProjectionRef &&
alreadyExistingProjectionRef[0];
if ((projectionRefNotNull &&
alreadyExistingProjectionRefNotNull &&
EQUAL(projectionRef, alreadyExistingProjectionRef) == 0) ||
(projectionRefNotNull != alreadyExistingProjectionRefNotNull))
{
fprintf(
stderr,
"Warning : %s is not using the same projection system "
"as other files in the tileindex.\n"
"This may cause problems when using it in MapServer "
"for example.\n"
"Use -t_srs option to set target projection system "
"(not supported by MapServer).\n"
"%s\n", argv[iArg],
skip_different_projection ? "Skipping this file." : "");
if( skip_different_projection )
{
CPLFree(fileNameToWrite);
GDALClose( hDS );
continue;
}
}
}
else
{
alreadyExistingProjectionRefValid = true;
alreadyExistingProjectionRef = CPLStrdup(projectionRef);
}
}
const int nXSize = GDALGetRasterXSize( hDS );
const int nYSize = GDALGetRasterYSize( hDS );
double adfX[5] = { 0.0, 0.0, 0.0, 0.0, 0.0 };
double adfY[5] = { 0.0, 0.0, 0.0, 0.0, 0.0 };
adfX[0] = adfGeoTransform[0]
+ 0 * adfGeoTransform[1]
+ 0 * adfGeoTransform[2];
adfY[0] = adfGeoTransform[3]
+ 0 * adfGeoTransform[4]
+ 0 * adfGeoTransform[5];
adfX[1] = adfGeoTransform[0]
+ nXSize * adfGeoTransform[1]
+ 0 * adfGeoTransform[2];
adfY[1] = adfGeoTransform[3]
+ nXSize * adfGeoTransform[4]
+ 0 * adfGeoTransform[5];
adfX[2] = adfGeoTransform[0]
+ nXSize * adfGeoTransform[1]
+ nYSize * adfGeoTransform[2];
adfY[2] = adfGeoTransform[3]
+ nXSize * adfGeoTransform[4]
+ nYSize * adfGeoTransform[5];
adfX[3] = adfGeoTransform[0]
+ 0 * adfGeoTransform[1]
+ nYSize * adfGeoTransform[2];
adfY[3] = adfGeoTransform[3]
+ 0 * adfGeoTransform[4]
+ nYSize * adfGeoTransform[5];
adfX[4] = adfGeoTransform[0]
+ 0 * adfGeoTransform[1]
+ 0 * adfGeoTransform[2];
adfY[4] = adfGeoTransform[3]
+ 0 * adfGeoTransform[4]
+ 0 * adfGeoTransform[5];
OGRSpatialReferenceH hSourceSRS = NULL;
if( (bSetTargetSRS || i_SrcSRSName >= 0) &&
projectionRef != NULL &&
projectionRef[0] != '\0' )
{
hSourceSRS = OSRNewSpatialReference( projectionRef );
}
// If set target srs, do the forward transformation of all points.
if( bSetTargetSRS && projectionRef != NULL && projectionRef[0] != '\0' )
{
OGRCoordinateTransformationH hCT = NULL;
if( hSourceSRS && !OSRIsSame( hSourceSRS, hTargetSRS ) )
{
hCT = OCTNewCoordinateTransformation( hSourceSRS, hTargetSRS );
if( hCT == NULL || !OCTTransform( hCT, 5, adfX, adfY, NULL ) )
{
fprintf(
stderr,
"Warning : unable to transform points from source "
"SRS `%s' to target SRS `%s'\n"
"for file `%s' - file skipped\n",
projectionRef, pszTargetSRS, fileNameToWrite );
if( hCT )
OCTDestroyCoordinateTransformation( hCT );
if( hSourceSRS )
OSRDestroySpatialReference( hSourceSRS );
continue;
}
if( hCT )
OCTDestroyCoordinateTransformation( hCT );
}
}
OGRFeatureH hFeature = OGR_F_Create( OGR_L_GetLayerDefn( hLayer ) );
OGR_F_SetFieldString( hFeature, ti_field, fileNameToWrite );
if( i_SrcSRSName >= 0 && hSourceSRS != NULL )
{
const char* pszAuthorityCode =
OSRGetAuthorityCode(hSourceSRS, NULL);
const char* pszAuthorityName =
OSRGetAuthorityName(hSourceSRS, NULL);
if( eSrcSRSFormat == FORMAT_AUTO )
{
if( pszAuthorityName != NULL && pszAuthorityCode != NULL )
{
OGR_F_SetFieldString(
hFeature, i_SrcSRSName,
CPLSPrintf("%s:%s",
pszAuthorityName, pszAuthorityCode) );
}
else if( nMaxFieldSize == 0 ||
strlen(projectionRef) <= nMaxFieldSize )
{
OGR_F_SetFieldString(hFeature, i_SrcSRSName, projectionRef);
}
else
{
char* pszProj4 = NULL;
if( OSRExportToProj4(hSourceSRS, &pszProj4) == OGRERR_NONE )
{
OGR_F_SetFieldString( hFeature, i_SrcSRSName,
pszProj4 );
CPLFree(pszProj4);
}
else
{
OGR_F_SetFieldString( hFeature, i_SrcSRSName,
projectionRef );
}
}
}
else if( eSrcSRSFormat == FORMAT_WKT )
{
if( nMaxFieldSize == 0 ||
strlen(projectionRef) <= nMaxFieldSize )
{
OGR_F_SetFieldString( hFeature, i_SrcSRSName,
projectionRef );
}
else
{
fprintf(stderr,
"Cannot write WKT for file %s as it is too long!\n",
fileNameToWrite);
}
}
else if( eSrcSRSFormat == FORMAT_PROJ )
{
char* pszProj4 = NULL;
if( OSRExportToProj4(hSourceSRS, &pszProj4) == OGRERR_NONE )
{
OGR_F_SetFieldString( hFeature, i_SrcSRSName, pszProj4 );
CPLFree(pszProj4);
}
}
else if( eSrcSRSFormat == FORMAT_EPSG )
{
if( pszAuthorityName != NULL && pszAuthorityCode != NULL )
OGR_F_SetFieldString(
hFeature, i_SrcSRSName,
CPLSPrintf("%s:%s",
pszAuthorityName, pszAuthorityCode) );
}
}
if( hSourceSRS )
OSRDestroySpatialReference( hSourceSRS );
OGRGeometryH hPoly = OGR_G_CreateGeometry(wkbPolygon);
OGRGeometryH hRing = OGR_G_CreateGeometry(wkbLinearRing);
for( int k = 0; k < 5; k++ )
OGR_G_SetPoint_2D(hRing, k, adfX[k], adfY[k]);
OGR_G_AddGeometryDirectly( hPoly, hRing );
OGR_F_SetGeometryDirectly( hFeature, hPoly );
if( OGR_L_CreateFeature( hLayer, hFeature ) != OGRERR_NONE )
{
printf( "Failed to create feature in shapefile.\n" );
break;
}
OGR_F_Destroy( hFeature );
CPLFree(fileNameToWrite);
GDALClose( hDS );
}
CPLFree(current_path);
if (nExistingFiles)
{
for( int i = 0; i < nExistingFiles; i++ )
{
CPLFree(existingFilesTab[i]);
}
CPLFree(existingFilesTab);
}
CPLFree(alreadyExistingProjectionRef);
if ( hTargetSRS )
OSRDestroySpatialReference( hTargetSRS );
OGR_DS_Destroy( hTileIndexDS );
GDALDestroyDriverManager();
OGRCleanupAll();
CSLDestroy(argv);
exit( 0 );
}
void AttributeFilter::UpdateGEOSBuffer(PointView& view)
{
QuadIndex idx(view);
if (m_layer.size())
m_lyr = OGR_DS_GetLayerByName(m_ds.get(), m_layer.c_str());
else if (m_query.size())
m_lyr = OGR_DS_ExecuteSQL(m_ds.get(), m_query.c_str(), 0, 0);
else
m_lyr = OGR_DS_GetLayer(m_ds.get(), 0);
if (!m_lyr)
{
std::ostringstream oss;
oss << getName() << ": Unable to select layer '" << m_layer << "'";
throw pdal_error(oss.str());
}
OGRFeaturePtr feature = OGRFeaturePtr(OGR_L_GetNextFeature(m_lyr),
OGRFeatureDeleter());
int field_index(1); // default to first column if nothing was set
if (m_column.size())
{
field_index = OGR_F_GetFieldIndex(feature.get(), m_column.c_str());
if (field_index == -1)
{
std::ostringstream oss;
oss << getName() << ": No column name '" << m_column <<
"' was found.";
throw pdal_error(oss.str());
}
}
while (feature)
{
OGRGeometryH geom = OGR_F_GetGeometryRef(feature.get());
OGRwkbGeometryType t = OGR_G_GetGeometryType(geom);
int32_t fieldVal = OGR_F_GetFieldAsInteger(feature.get(), field_index);
if (!(t == wkbPolygon ||
t == wkbMultiPolygon ||
t == wkbPolygon25D ||
t == wkbMultiPolygon25D))
{
std::ostringstream oss;
oss << getName() << ": Geometry is not Polygon or MultiPolygon!";
throw pdal::pdal_error(oss.str());
}
pdal::Polygon p(geom, view.spatialReference(), GlobalEnvironment::get().geos());
// Compute a total bounds for the geometry. Query the QuadTree to
// find out the points that are inside the bbox. Then test each
// point in the bbox against the prepared geometry.
BOX3D box = p.bounds();
std::vector<PointId> ids = idx.getPoints(box);
for (const auto& i : ids)
{
PointRef ref(view, i);
if (p.covers(ref))
view.setField(m_dim, i, fieldVal);
}
feature = OGRFeaturePtr(OGR_L_GetNextFeature(m_lyr),
OGRFeatureDeleter());
}
}
bool QgsNewGeoPackageLayerDialog::apply()
{
QString fileName( mDatabase->filePath() );
if ( !fileName.endsWith( QLatin1String( ".gpkg" ), Qt::CaseInsensitive ) )
fileName += QLatin1String( ".gpkg" );
bool createNewDb = false;
if ( QFile( fileName ).exists( fileName ) )
{
bool overwrite = false;
switch ( mBehavior )
{
case Prompt:
{
QMessageBox msgBox;
msgBox.setIcon( QMessageBox::Question );
msgBox.setWindowTitle( tr( "The File Already Exists." ) );
msgBox.setText( tr( "Do you want to overwrite the existing file with a new database or add a new layer to it?" ) );
QPushButton *overwriteButton = msgBox.addButton( tr( "Overwrite" ), QMessageBox::ActionRole );
QPushButton *addNewLayerButton = msgBox.addButton( tr( "Add new layer" ), QMessageBox::ActionRole );
msgBox.setStandardButtons( QMessageBox::Cancel );
msgBox.setDefaultButton( addNewLayerButton );
bool cancel = false;
if ( property( "hideDialogs" ).toBool() )
{
overwrite = property( "question_existing_db_answer_overwrite" ).toBool();
if ( !overwrite )
cancel = !property( "question_existing_db_answer_add_new_layer" ).toBool();
}
else
{
int ret = msgBox.exec();
if ( ret == QMessageBox::Cancel )
cancel = true;
if ( msgBox.clickedButton() == overwriteButton )
overwrite = true;
}
if ( cancel )
{
return false;
}
break;
}
case Overwrite:
overwrite = true;
break;
case AddNewLayer:
overwrite = false;
break;
}
if ( overwrite )
{
QFile( fileName ).remove();
createNewDb = true;
}
}
else
{
createNewDb = true;
}
OGRSFDriverH hGpkgDriver = OGRGetDriverByName( "GPKG" );
if ( !hGpkgDriver )
{
if ( !property( "hideDialogs" ).toBool() )
QMessageBox::critical( this, tr( "Layer creation failed" ),
tr( "GeoPackage driver not found" ) );
return false;
}
gdal::ogr_datasource_unique_ptr hDS;
if ( createNewDb )
{
hDS.reset( OGR_Dr_CreateDataSource( hGpkgDriver, fileName.toUtf8().constData(), nullptr ) );
if ( !hDS )
{
QString msg( tr( "Creation of database failed (OGR error: %1)" ).arg( QString::fromUtf8( CPLGetLastErrorMsg() ) ) );
if ( !property( "hideDialogs" ).toBool() )
QMessageBox::critical( this, tr( "Layer creation failed" ), msg );
return false;
}
}
else
{
OGRSFDriverH hDriver = nullptr;
hDS.reset( OGROpen( fileName.toUtf8().constData(), true, &hDriver ) );
if ( !hDS )
{
QString msg( tr( "Opening of database failed (OGR error: %1)" ).arg( QString::fromUtf8( CPLGetLastErrorMsg() ) ) );
if ( !property( "hideDialogs" ).toBool() )
QMessageBox::critical( this, tr( "Layer creation failed" ), msg );
return false;
}
if ( hDriver != hGpkgDriver )
{
QString msg( tr( "Opening of file succeeded, but this is not a GeoPackage database" ) );
if ( !property( "hideDialogs" ).toBool() )
QMessageBox::critical( this, tr( "Layer creation failed" ), msg );
return false;
}
}
QString tableName( mTableNameEdit->text() );
bool overwriteTable = false;
if ( OGR_DS_GetLayerByName( hDS.get(), tableName.toUtf8().constData() ) )
{
if ( property( "hideDialogs" ).toBool() )
{
overwriteTable = property( "question_existing_layer_answer_overwrite" ).toBool();
}
else if ( QMessageBox::question( this, tr( "Existing layer" ),
tr( "A table with the same name already exists. Do you want to overwrite it?" ),
QMessageBox::Yes | QMessageBox::No, QMessageBox::No ) == QMessageBox::Yes )
{
overwriteTable = true;
}
if ( !overwriteTable )
{
return false;
}
}
QString layerIdentifier( mLayerIdentifierEdit->text() );
QString layerDescription( mLayerDescriptionEdit->text() );
OGRwkbGeometryType wkbType = static_cast<OGRwkbGeometryType>
( mGeometryTypeBox->currentData( Qt::UserRole ).toInt() );
// z-coordinate & m-value.
if ( mGeometryWithZCheckBox->isChecked() )
wkbType = OGR_GT_SetZ( wkbType );
if ( mGeometryWithMCheckBox->isChecked() )
wkbType = OGR_GT_SetM( wkbType );
OGRSpatialReferenceH hSRS = nullptr;
// consider spatial reference system of the layer
QgsCoordinateReferenceSystem srs = mCrsSelector->crs();
if ( wkbType != wkbNone && srs.isValid() )
{
QString srsWkt = srs.toWkt();
hSRS = OSRNewSpatialReference( srsWkt.toLocal8Bit().data() );
}
// Set options
char **options = nullptr;
if ( overwriteTable )
options = CSLSetNameValue( options, "OVERWRITE", "YES" );
if ( !layerIdentifier.isEmpty() )
options = CSLSetNameValue( options, "IDENTIFIER", layerIdentifier.toUtf8().constData() );
if ( !layerDescription.isEmpty() )
options = CSLSetNameValue( options, "DESCRIPTION", layerDescription.toUtf8().constData() );
QString featureId( mFeatureIdColumnEdit->text() );
if ( !featureId.isEmpty() )
options = CSLSetNameValue( options, "FID", featureId.toUtf8().constData() );
QString geometryColumn( mGeometryColumnEdit->text() );
if ( wkbType != wkbNone && !geometryColumn.isEmpty() )
options = CSLSetNameValue( options, "GEOMETRY_COLUMN", geometryColumn.toUtf8().constData() );
if ( wkbType != wkbNone )
options = CSLSetNameValue( options, "SPATIAL_INDEX", mCheckBoxCreateSpatialIndex->isChecked() ? "YES" : "NO" );
OGRLayerH hLayer = OGR_DS_CreateLayer( hDS.get(), tableName.toUtf8().constData(), hSRS, wkbType, options );
CSLDestroy( options );
if ( hSRS )
OSRRelease( hSRS );
if ( !hLayer )
{
QString msg( tr( "Creation of layer failed (OGR error: %1)" ).arg( QString::fromUtf8( CPLGetLastErrorMsg() ) ) );
if ( !property( "hideDialogs" ).toBool() )
QMessageBox::critical( this, tr( "Layer creation failed" ), msg );
return false;
}
QTreeWidgetItemIterator it( mAttributeView );
while ( *it )
{
QString fieldName( ( *it )->text( 0 ) );
QString fieldType( ( *it )->text( 1 ) );
QString fieldWidth( ( *it )->text( 2 ) );
OGRFieldType ogrType( OFTString );
if ( fieldType == QLatin1String( "text" ) )
ogrType = OFTString;
else if ( fieldType == QLatin1String( "integer" ) )
ogrType = OFTInteger;
else if ( fieldType == QLatin1String( "integer64" ) )
ogrType = OFTInteger64;
else if ( fieldType == QLatin1String( "real" ) )
ogrType = OFTReal;
else if ( fieldType == QLatin1String( "date" ) )
ogrType = OFTDate;
else if ( fieldType == QLatin1String( "datetime" ) )
ogrType = OFTDateTime;
int ogrWidth = fieldWidth.toInt();
gdal::ogr_field_def_unique_ptr fld( OGR_Fld_Create( fieldName.toUtf8().constData(), ogrType ) );
OGR_Fld_SetWidth( fld.get(), ogrWidth );
if ( OGR_L_CreateField( hLayer, fld.get(), true ) != OGRERR_NONE )
{
if ( !property( "hideDialogs" ).toBool() )
{
QMessageBox::critical( this, tr( "Layer creation failed" ),
tr( "Creation of field %1 failed (OGR error: %2)" )
.arg( fieldName, QString::fromUtf8( CPLGetLastErrorMsg() ) ) );
}
return false;
}
++it;
}
// In GDAL >= 2.0, the driver implements a deferred creation strategy, so
// issue a command that will force table creation
CPLErrorReset();
OGR_L_ResetReading( hLayer );
if ( CPLGetLastErrorType() != CE_None )
{
QString msg( tr( "Creation of layer failed (OGR error: %1)" ).arg( QString::fromUtf8( CPLGetLastErrorMsg() ) ) );
if ( !property( "hideDialogs" ).toBool() )
QMessageBox::critical( this, tr( "Layer creation failed" ), msg );
return false;
}
hDS.reset();
QString uri( QStringLiteral( "%1|layername=%2" ).arg( fileName, tableName ) );
QString userVisiblelayerName( layerIdentifier.isEmpty() ? tableName : layerIdentifier );
QgsVectorLayer *layer = new QgsVectorLayer( uri, userVisiblelayerName, QStringLiteral( "ogr" ) );
if ( layer->isValid() )
{
// register this layer with the central layers registry
QList<QgsMapLayer *> myList;
myList << layer;
//addMapLayers returns a list of all successfully added layers
//so we compare that to our original list.
if ( myList == QgsProject::instance()->addMapLayers( myList ) )
return true;
}
else
{
if ( !property( "hideDialogs" ).toBool() )
QMessageBox::critical( this, tr( "Invalid Layer" ), tr( "%1 is an invalid layer and cannot be loaded." ).arg( tableName ) );
delete layer;
}
return false;
}
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;
}
int main(int argc, const char **argv) {
/* initialize apr_getopt_t */
apr_getopt_t *opt;
const char *configfile=NULL;
#ifndef USE_FORK
apr_thread_t **threads;
apr_threadattr_t *thread_attrs;
#endif
const char *tileset_name=NULL;
const char *tileset_transfer_name=NULL;
const char *grid_name = NULL;
int *zooms = NULL;//[2];
double *extent = NULL;//[4];
int optch;
int rv,n;
const char *old = NULL;
const char *optarg;
apr_table_t *argdimensions;
char *dimkey=NULL, *dimvalue=NULL,*key, *last, *optargcpy=NULL;
int keyidx;
int *metasizes = NULL;//[2];
int metax=-1,metay=-1;
#ifdef USE_CLIPPERS
const char *ogr_where = NULL;
const char *ogr_layer = NULL;
const char *ogr_sql = NULL;
const char *ogr_datasource = NULL;
#endif
apr_initialize();
(void) signal(SIGINT,handle_sig_int);
apr_pool_create(&ctx.pool,NULL);
mapcache_context_init(&ctx);
ctx.process_pool = ctx.pool;
#ifndef USE_FORK
apr_thread_mutex_create((apr_thread_mutex_t**)&ctx.threadlock,APR_THREAD_MUTEX_DEFAULT,ctx.pool);
#else
ctx.threadlock = NULL;
#endif
cfg = mapcache_configuration_create(ctx.pool);
ctx.config = cfg;
ctx.log= mapcache_context_seeding_log;
apr_getopt_init(&opt, ctx.pool, argc, argv);
seededtiles=seededtilestot=queuedtilestot=0;
mapcache_gettimeofday(&starttime,NULL);
lastlogtime=starttime;
argdimensions = apr_table_make(ctx.pool,3);
/* parse the all options based on opt_option[] */
while ((rv = apr_getopt_long(opt, seed_options, &optch, &optarg)) == APR_SUCCESS) {
switch (optch) {
case 'h':
return usage(argv[0],NULL);
break;
case 'f':
force = 1;
break;
case 'q':
quiet = 1;
break;
case 'v':
verbose = 1;
break;
case 'c':
configfile = optarg;
break;
case 'g':
grid_name = optarg;
break;
case 't':
tileset_name = optarg;
break;
case 'x':
tileset_transfer_name = optarg;
break;
case 'm':
if(!strcmp(optarg,"delete")) {
mode = MAPCACHE_CMD_DELETE;
} else if(!strcmp(optarg,"transfer")){
mode = MAPCACHE_CMD_TRANSFER;
} else if(strcmp(optarg,"seed")){
return usage(argv[0],"invalid mode, expecting \"seed\", \"delete\" or \"transfer\"");
} else {
mode = MAPCACHE_CMD_SEED;
}
break;
case 'n':
nthreads = (int)strtol(optarg, NULL, 10);
break;
case 'e':
if ( MAPCACHE_SUCCESS != mapcache_util_extract_double_list(&ctx, (char*)optarg, ",", &extent, &n) ||
n != 4 || extent[0] >= extent[2] || extent[1] >= extent[3] ) {
return usage(argv[0], "failed to parse extent, expecting comma separated 4 doubles");
}
break;
case 'z':
if ( MAPCACHE_SUCCESS != mapcache_util_extract_int_list(&ctx, (char*)optarg, ",", &zooms, &n) ||
n != 2 || zooms[0] > zooms[1]) {
return usage(argv[0], "failed to parse zooms, expecting comma separated 2 ints");
} else {
minzoom = zooms[0];
maxzoom = zooms[1];
}
break;
case 'M':
if ( MAPCACHE_SUCCESS != mapcache_util_extract_int_list(&ctx, (char*)optarg, ",", &metasizes, &n) ||
n != 2 || metasizes[0] <= 0 || metasizes[1] <=0) {
return usage(argv[0], "failed to parse metasize, expecting comma separated 2 positive ints (e.g. -M 8,8");
} else {
metax = metasizes[0];
metay = metasizes[1];
}
break;
case 'o':
old = optarg;
break;
case 'D':
optargcpy = apr_pstrdup(ctx.pool,optarg);
keyidx = 0;
for (key = apr_strtok(optargcpy, "=", &last); key != NULL;
key = apr_strtok(NULL, "=", &last)) {
if(keyidx == 0) {
dimkey = key;
} else {
dimvalue = key;
}
keyidx++;
}
if(keyidx!=2 || !dimkey || !dimvalue || !*dimkey || !*dimvalue) {
return usage(argv[0], "failed to parse dimension, expecting DIMNAME=DIMVALUE");
}
apr_table_set(argdimensions,dimkey,dimvalue);
break;
#ifdef USE_CLIPPERS
case 'd':
ogr_datasource = optarg;
break;
case 's':
ogr_sql = optarg;
break;
case 'l':
ogr_layer = optarg;
break;
case 'w':
ogr_where = optarg;
break;
#endif
}
}
if (rv != APR_EOF) {
return usage(argv[0],"bad options");
}
if( ! configfile ) {
return usage(argv[0],"config not specified");
} else {
mapcache_configuration_parse(&ctx,configfile,cfg,0);
if(ctx.get_error(&ctx))
return usage(argv[0],ctx.get_error_message(&ctx));
mapcache_configuration_post_config(&ctx,cfg);
if(ctx.get_error(&ctx))
return usage(argv[0],ctx.get_error_message(&ctx));
}
#ifdef USE_CLIPPERS
if(extent && ogr_datasource) {
return usage(argv[0], "cannot specify both extent and ogr-datasource");
}
if( ogr_sql && ( ogr_where || ogr_layer )) {
return usage(argv[0], "ogr-where or ogr_layer cannot be used in conjunction with ogr-sql");
}
if(ogr_datasource) {
OGRDataSourceH hDS = NULL;
OGRLayerH layer = NULL;
OGRRegisterAll();
hDS = OGROpen( ogr_datasource, FALSE, NULL );
if( hDS == NULL )
{
printf( "OGR Open failed\n" );
exit( 1 );
}
if(ogr_sql) {
layer = OGR_DS_ExecuteSQL( hDS, ogr_sql, NULL, NULL);
if(!layer) {
return usage(argv[0],"aborting");
}
} else {
int nLayers = OGR_DS_GetLayerCount(hDS);
if(nLayers>1 && !ogr_layer) {
return usage(argv[0],"ogr datastore contains more than one layer. please specify which one to use with --ogr-layer");
} else {
if(ogr_layer) {
layer = OGR_DS_GetLayerByName(hDS,ogr_layer);
} else {
layer = OGR_DS_GetLayer(hDS,0);
}
if(!layer) {
return usage(argv[0],"aborting");
}
if(ogr_where) {
if(OGRERR_NONE != OGR_L_SetAttributeFilter(layer, ogr_where)) {
return usage(argv[0],"aborting");
}
}
}
}
if((nClippers=OGR_L_GetFeatureCount(layer, TRUE)) == 0) {
return usage(argv[0],"no features in provided ogr parameters, cannot continue");
}
initGEOS(notice, log_and_exit);
clippers = (const GEOSPreparedGeometry**)malloc(nClippers*sizeof(GEOSPreparedGeometry*));
OGRFeatureH hFeature;
GEOSWKTReader *geoswktreader = GEOSWKTReader_create();
OGR_L_ResetReading(layer);
extent = apr_pcalloc(ctx.pool,4*sizeof(double));
int f=0;
while( (hFeature = OGR_L_GetNextFeature(layer)) != NULL ) {
OGRGeometryH geom = OGR_F_GetGeometryRef(hFeature);
if(!geom || !OGR_G_IsValid(geom)) continue;
char *wkt;
OGR_G_ExportToWkt(geom,&wkt);
GEOSGeometry *geosgeom = GEOSWKTReader_read(geoswktreader,wkt);
free(wkt);
clippers[f] = GEOSPrepare(geosgeom);
//GEOSGeom_destroy(geosgeom);
OGREnvelope ogr_extent;
OGR_G_GetEnvelope (geom, &ogr_extent);
if(f == 0) {
extent[0] = ogr_extent.MinX;
extent[1] = ogr_extent.MinY;
extent[2] = ogr_extent.MaxX;
extent[3] = ogr_extent.MaxY;
} else {
extent[0] = MAPCACHE_MIN(ogr_extent.MinX, extent[0]);
extent[1] = MAPCACHE_MIN(ogr_extent.MinY, extent[1]);
extent[2] = MAPCACHE_MAX(ogr_extent.MaxX, extent[2]);
extent[3] = MAPCACHE_MAX(ogr_extent.MaxY, extent[3]);
}
OGR_F_Destroy( hFeature );
f++;
}
nClippers = f;
}
#endif
if( ! tileset_name ) {
return usage(argv[0],"tileset not specified");
} else {
tileset = mapcache_configuration_get_tileset(cfg,tileset_name);
if(!tileset) {
return usage(argv[0], "tileset not found in configuration");
}
if( ! grid_name ) {
grid_link = APR_ARRAY_IDX(tileset->grid_links,0,mapcache_grid_link*);
} else {
CPLErr RasterliteDataset::CreateOverviewLevel(const char * pszResampling,
int nOvrFactor,
char** papszOptions,
GDALProgressFunc pfnProgress,
void * pProgressData)
{
double dfXResolution = padfXResolutions[0] * nOvrFactor;
double dfYResolution = padfXResolutions[0] * nOvrFactor;
CPLString osSQL;
int nOvrXSize = nRasterXSize / nOvrFactor;
int nOvrYSize = nRasterYSize / nOvrFactor;
if (nOvrXSize == 0 || nOvrYSize == 0)
return CE_Failure;
int bTiled = CSLTestBoolean(CSLFetchNameValueDef(papszOptions, "TILED", "YES"));
int nBlockXSize, nBlockYSize;
if (bTiled)
{
nBlockXSize = atoi(CSLFetchNameValueDef(papszOptions, "BLOCKXSIZE", "256"));
nBlockYSize = atoi(CSLFetchNameValueDef(papszOptions, "BLOCKYSIZE", "256"));
if (nBlockXSize < 64) nBlockXSize = 64;
else if (nBlockXSize > 4096) nBlockXSize = 4096;
if (nBlockYSize < 64) nBlockYSize = 64;
else if (nBlockYSize > 4096) nBlockYSize = 4096;
}
else
{
nBlockXSize = nOvrXSize;
nBlockYSize = nOvrYSize;
}
int nXBlocks = (nOvrXSize + nBlockXSize - 1) / nBlockXSize;
int nYBlocks = (nOvrYSize + nBlockYSize - 1) / nBlockYSize;
const char* pszDriverName = CSLFetchNameValueDef(papszOptions, "DRIVER", "GTiff");
if (EQUAL(pszDriverName, "MEM") || EQUAL(pszDriverName, "VRT"))
{
CPLError(CE_Failure, CPLE_AppDefined, "GDAL %s driver cannot be used as underlying driver",
pszDriverName);
return CE_Failure;
}
GDALDriverH hTileDriver = GDALGetDriverByName(pszDriverName);
if (hTileDriver == NULL)
{
CPLError(CE_Failure, CPLE_AppDefined, "Cannot load GDAL %s driver", pszDriverName);
return CE_Failure;
}
GDALDriverH hMemDriver = GDALGetDriverByName("MEM");
if (hMemDriver == NULL)
{
CPLError(CE_Failure, CPLE_AppDefined, "Cannot load GDAL MEM driver");
return CE_Failure;
}
GDALDataType eDataType = GetRasterBand(1)->GetRasterDataType();
int nDataTypeSize = GDALGetDataTypeSize(eDataType) / 8;
GByte* pabyMEMDSBuffer =
(GByte*)VSIMalloc3(nBlockXSize, nBlockYSize, nBands * nDataTypeSize);
if (pabyMEMDSBuffer == NULL)
{
return CE_Failure;
}
CPLString osTempFileName;
osTempFileName.Printf("/vsimem/%p", hDS);
int nTileId = 0;
int nBlocks = 0;
int nTotalBlocks = nXBlocks * nYBlocks;
CPLString osRasterLayer;
osRasterLayer.Printf("%s_rasters", osTableName.c_str());
CPLString osMetatadataLayer;
osMetatadataLayer.Printf("%s_metadata", osTableName.c_str());
OGRLayerH hRasterLayer = OGR_DS_GetLayerByName(hDS, osRasterLayer.c_str());
OGRLayerH hMetadataLayer = OGR_DS_GetLayerByName(hDS, osMetatadataLayer.c_str());
CPLString osSourceName = "unknown";
osSQL.Printf("SELECT source_name FROM \"%s\" WHERE "
"%s LIMIT 1",
osMetatadataLayer.c_str(),
RasterliteGetPixelSizeCond(padfXResolutions[0], padfYResolutions[0]).c_str());
OGRLayerH hSQLLyr = OGR_DS_ExecuteSQL(hDS, osSQL.c_str(), NULL, NULL);
if (hSQLLyr)
{
OGRFeatureH hFeat = OGR_L_GetNextFeature(hSQLLyr);
if (hFeat)
{
const char* pszVal = OGR_F_GetFieldAsString(hFeat, 0);
if (pszVal)
osSourceName = pszVal;
OGR_F_Destroy(hFeat);
}
OGR_DS_ReleaseResultSet(hDS, hSQLLyr);
}
/* -------------------------------------------------------------------- */
/* Compute up to which existing overview level we can use for */
/* computing the requested overview */
/* -------------------------------------------------------------------- */
int iLev;
nLimitOvrCount = 0;
for(iLev=1;iLev<nResolutions;iLev++)
{
if (!(padfXResolutions[iLev] < dfXResolution - 1e-10 &&
padfYResolutions[iLev] < dfYResolution - 1e-10))
{
break;
}
nLimitOvrCount++;
}
/* -------------------------------------------------------------------- */
/* Allocate buffer for tile of previous overview level */
/* -------------------------------------------------------------------- */
GDALDataset* poPrevOvrLevel =
(papoOverviews != NULL && iLev >= 2 && iLev <= nResolutions && papoOverviews[iLev-2]) ?
papoOverviews[iLev-2] : this;
double dfRatioPrevOvr = poPrevOvrLevel->GetRasterBand(1)->GetXSize() / nOvrXSize;
int nPrevOvrBlockXSize = (int)(nBlockXSize * dfRatioPrevOvr + 0.5);
int nPrevOvrBlockYSize = (int)(nBlockYSize * dfRatioPrevOvr + 0.5);
GByte* pabyPrevOvrMEMDSBuffer = NULL;
if( !EQUALN(pszResampling, "NEAR", 4))
{
pabyPrevOvrMEMDSBuffer =
(GByte*)VSIMalloc3(nPrevOvrBlockXSize, nPrevOvrBlockYSize, nBands * nDataTypeSize);
if (pabyPrevOvrMEMDSBuffer == NULL)
{
VSIFree(pabyMEMDSBuffer);
return CE_Failure;
}
}
/* -------------------------------------------------------------------- */
/* Iterate over blocks to add data into raster and metadata tables */
/* -------------------------------------------------------------------- */
char** papszTileDriverOptions = RasterliteGetTileDriverOptions(papszOptions);
OGR_DS_ExecuteSQL(hDS, "BEGIN", NULL, NULL);
CPLErr eErr = CE_None;
int nBlockXOff, nBlockYOff;
for(nBlockYOff=0;eErr == CE_None && nBlockYOff<nYBlocks;nBlockYOff++)
{
for(nBlockXOff=0;eErr == CE_None && nBlockXOff<nXBlocks;nBlockXOff++)
{
GDALDatasetH hPrevOvrMemDS = NULL;
/* -------------------------------------------------------------------- */
/* Create in-memory tile */
/* -------------------------------------------------------------------- */
int nReqXSize = nBlockXSize, nReqYSize = nBlockYSize;
if ((nBlockXOff+1) * nBlockXSize > nOvrXSize)
nReqXSize = nOvrXSize - nBlockXOff * nBlockXSize;
if ((nBlockYOff+1) * nBlockYSize > nOvrYSize)
nReqYSize = nOvrYSize - nBlockYOff * nBlockYSize;
if( pabyPrevOvrMEMDSBuffer != NULL )
{
int nPrevOvrReqXSize =
(int)(nReqXSize * dfRatioPrevOvr + 0.5);
int nPrevOvrReqYSize =
(int)(nReqYSize * dfRatioPrevOvr + 0.5);
eErr = RasterIO(GF_Read,
nBlockXOff * nBlockXSize * nOvrFactor,
nBlockYOff * nBlockYSize * nOvrFactor,
nReqXSize * nOvrFactor, nReqYSize * nOvrFactor,
pabyPrevOvrMEMDSBuffer, nPrevOvrReqXSize, nPrevOvrReqYSize,
eDataType, nBands, NULL,
0, 0, 0, NULL);
if (eErr != CE_None)
{
break;
}
hPrevOvrMemDS = GDALCreate(hMemDriver, "MEM:::",
nPrevOvrReqXSize, nPrevOvrReqYSize, 0,
eDataType, NULL);
if (hPrevOvrMemDS == NULL)
{
eErr = CE_Failure;
break;
}
int iBand;
for(iBand = 0; iBand < nBands; iBand ++)
{
char** papszOptions = NULL;
char szTmp[64];
memset(szTmp, 0, sizeof(szTmp));
CPLPrintPointer(szTmp,
pabyPrevOvrMEMDSBuffer + iBand * nDataTypeSize *
nPrevOvrReqXSize * nPrevOvrReqYSize, sizeof(szTmp));
papszOptions = CSLSetNameValue(papszOptions, "DATAPOINTER", szTmp);
GDALAddBand(hPrevOvrMemDS, eDataType, papszOptions);
CSLDestroy(papszOptions);
}
}
else
{
eErr = RasterIO(GF_Read,
nBlockXOff * nBlockXSize * nOvrFactor,
nBlockYOff * nBlockYSize * nOvrFactor,
nReqXSize * nOvrFactor, nReqYSize * nOvrFactor,
pabyMEMDSBuffer, nReqXSize, nReqYSize,
eDataType, nBands, NULL,
0, 0, 0, NULL);
if (eErr != CE_None)
{
break;
}
}
GDALDatasetH hMemDS = GDALCreate(hMemDriver, "MEM:::",
nReqXSize, nReqYSize, 0,
eDataType, NULL);
if (hMemDS == NULL)
{
eErr = CE_Failure;
break;
}
int iBand;
for(iBand = 0; iBand < nBands; iBand ++)
{
char** papszOptions = NULL;
char szTmp[64];
memset(szTmp, 0, sizeof(szTmp));
CPLPrintPointer(szTmp,
pabyMEMDSBuffer + iBand * nDataTypeSize *
nReqXSize * nReqYSize, sizeof(szTmp));
papszOptions = CSLSetNameValue(papszOptions, "DATAPOINTER", szTmp);
GDALAddBand(hMemDS, eDataType, papszOptions);
CSLDestroy(papszOptions);
}
if( hPrevOvrMemDS != NULL )
{
for(iBand = 0; iBand < nBands; iBand ++)
{
GDALRasterBandH hDstOvrBand = GDALGetRasterBand(hMemDS, iBand+1);
eErr = GDALRegenerateOverviews( GDALGetRasterBand(hPrevOvrMemDS, iBand+1),
1, &hDstOvrBand,
pszResampling,
NULL, NULL );
if( eErr != CE_None )
break;
}
GDALClose(hPrevOvrMemDS);
}
GDALDatasetH hOutDS = GDALCreateCopy(hTileDriver,
osTempFileName.c_str(), hMemDS, FALSE,
papszTileDriverOptions, NULL, NULL);
GDALClose(hMemDS);
if (hOutDS)
GDALClose(hOutDS);
else
{
eErr = CE_Failure;
break;
}
/* -------------------------------------------------------------------- */
/* Insert new entry into raster table */
/* -------------------------------------------------------------------- */
vsi_l_offset nDataLength;
GByte *pabyData = VSIGetMemFileBuffer( osTempFileName.c_str(),
&nDataLength, FALSE);
OGRFeatureH hFeat = OGR_F_Create( OGR_L_GetLayerDefn(hRasterLayer) );
OGR_F_SetFieldBinary(hFeat, 0, (int)nDataLength, pabyData);
OGR_L_CreateFeature(hRasterLayer, hFeat);
/* Query raster ID to set it as the ID of the associated metadata */
int nRasterID = (int)OGR_F_GetFID(hFeat);
OGR_F_Destroy(hFeat);
VSIUnlink(osTempFileName.c_str());
/* -------------------------------------------------------------------- */
/* Insert new entry into metadata table */
/* -------------------------------------------------------------------- */
hFeat = OGR_F_Create( OGR_L_GetLayerDefn(hMetadataLayer) );
OGR_F_SetFID(hFeat, nRasterID);
OGR_F_SetFieldString(hFeat, 0, osSourceName);
OGR_F_SetFieldInteger(hFeat, 1, nTileId ++);
OGR_F_SetFieldInteger(hFeat, 2, nReqXSize);
OGR_F_SetFieldInteger(hFeat, 3, nReqYSize);
OGR_F_SetFieldDouble(hFeat, 4, dfXResolution);
OGR_F_SetFieldDouble(hFeat, 5, dfYResolution);
double minx, maxx, maxy, miny;
minx = adfGeoTransform[0] +
(nBlockXSize * nBlockXOff) * dfXResolution;
maxx = adfGeoTransform[0] +
(nBlockXSize * nBlockXOff + nReqXSize) * dfXResolution;
maxy = adfGeoTransform[3] +
(nBlockYSize * nBlockYOff) * (-dfYResolution);
miny = adfGeoTransform[3] +
(nBlockYSize * nBlockYOff + nReqYSize) * (-dfYResolution);
OGRGeometryH hRectangle = OGR_G_CreateGeometry(wkbPolygon);
OGRGeometryH hLinearRing = OGR_G_CreateGeometry(wkbLinearRing);
OGR_G_AddPoint_2D(hLinearRing, minx, miny);
OGR_G_AddPoint_2D(hLinearRing, minx, maxy);
OGR_G_AddPoint_2D(hLinearRing, maxx, maxy);
OGR_G_AddPoint_2D(hLinearRing, maxx, miny);
OGR_G_AddPoint_2D(hLinearRing, minx, miny);
OGR_G_AddGeometryDirectly(hRectangle, hLinearRing);
OGR_F_SetGeometryDirectly(hFeat, hRectangle);
OGR_L_CreateFeature(hMetadataLayer, hFeat);
OGR_F_Destroy(hFeat);
nBlocks++;
if (pfnProgress && !pfnProgress(1.0 * nBlocks / nTotalBlocks,
NULL, pProgressData))
eErr = CE_Failure;
}
}
nLimitOvrCount = -1;
if (eErr == CE_None)
OGR_DS_ExecuteSQL(hDS, "COMMIT", NULL, NULL);
else
OGR_DS_ExecuteSQL(hDS, "ROLLBACK", NULL, NULL);
VSIFree(pabyMEMDSBuffer);
VSIFree(pabyPrevOvrMEMDSBuffer);
CSLDestroy(papszTileDriverOptions);
papszTileDriverOptions = NULL;
/* -------------------------------------------------------------------- */
/* Update raster_pyramids table */
/* -------------------------------------------------------------------- */
if (eErr == CE_None)
{
OGRLayerH hRasterPyramidsLyr = OGR_DS_GetLayerByName(hDS, "raster_pyramids");
if (hRasterPyramidsLyr == NULL)
{
osSQL.Printf ("CREATE TABLE raster_pyramids ("
"table_prefix TEXT NOT NULL,"
"pixel_x_size DOUBLE NOT NULL,"
"pixel_y_size DOUBLE NOT NULL,"
"tile_count INTEGER NOT NULL)");
OGR_DS_ExecuteSQL(hDS, osSQL.c_str(), NULL, NULL);
/* Re-open the DB to take into account the new tables*/
OGRReleaseDataSource(hDS);
hDS = RasterliteOpenSQLiteDB(osFileName.c_str(), GA_Update);
hRasterPyramidsLyr = OGR_DS_GetLayerByName(hDS, "raster_pyramids");
if (hRasterPyramidsLyr == NULL)
return CE_Failure;
}
OGRFeatureDefnH hFDefn = OGR_L_GetLayerDefn(hRasterPyramidsLyr);
/* Insert base resolution into raster_pyramids if not already done */
int bHasBaseResolution = FALSE;
osSQL.Printf("SELECT * FROM raster_pyramids WHERE "
"table_prefix = '%s' AND %s",
osTableName.c_str(),
RasterliteGetPixelSizeCond(padfXResolutions[0], padfYResolutions[0]).c_str());
hSQLLyr = OGR_DS_ExecuteSQL(hDS, osSQL.c_str(), NULL, NULL);
if (hSQLLyr)
{
OGRFeatureH hFeat = OGR_L_GetNextFeature(hSQLLyr);
if (hFeat)
{
bHasBaseResolution = TRUE;
OGR_F_Destroy(hFeat);
}
OGR_DS_ReleaseResultSet(hDS, hSQLLyr);
}
if (!bHasBaseResolution)
{
osSQL.Printf("SELECT COUNT(*) FROM \"%s\" WHERE %s",
osMetatadataLayer.c_str(),
RasterliteGetPixelSizeCond(padfXResolutions[0], padfYResolutions[0]).c_str());
int nBlocksMainRes = 0;
hSQLLyr = OGR_DS_ExecuteSQL(hDS, osSQL.c_str(), NULL, NULL);
if (hSQLLyr)
{
OGRFeatureH hFeat = OGR_L_GetNextFeature(hSQLLyr);
if (hFeat)
{
nBlocksMainRes = OGR_F_GetFieldAsInteger(hFeat, 0);
OGR_F_Destroy(hFeat);
}
OGR_DS_ReleaseResultSet(hDS, hSQLLyr);
}
OGRFeatureH hFeat = OGR_F_Create( hFDefn );
OGR_F_SetFieldString(hFeat, OGR_FD_GetFieldIndex(hFDefn, "table_prefix"), osTableName.c_str());
OGR_F_SetFieldDouble(hFeat, OGR_FD_GetFieldIndex(hFDefn, "pixel_x_size"), padfXResolutions[0]);
OGR_F_SetFieldDouble(hFeat, OGR_FD_GetFieldIndex(hFDefn, "pixel_y_size"), padfYResolutions[0]);
OGR_F_SetFieldInteger(hFeat, OGR_FD_GetFieldIndex(hFDefn, "tile_count"), nBlocksMainRes);
OGR_L_CreateFeature(hRasterPyramidsLyr, hFeat);
OGR_F_Destroy(hFeat);
}
OGRFeatureH hFeat = OGR_F_Create( hFDefn );
OGR_F_SetFieldString(hFeat, OGR_FD_GetFieldIndex(hFDefn, "table_prefix"), osTableName.c_str());
OGR_F_SetFieldDouble(hFeat, OGR_FD_GetFieldIndex(hFDefn, "pixel_x_size"), dfXResolution);
OGR_F_SetFieldDouble(hFeat, OGR_FD_GetFieldIndex(hFDefn, "pixel_y_size"), dfYResolution);
OGR_F_SetFieldInteger(hFeat, OGR_FD_GetFieldIndex(hFDefn, "tile_count"), nTotalBlocks);
OGR_L_CreateFeature(hRasterPyramidsLyr, hFeat);
OGR_F_Destroy(hFeat);
}
return eErr;
}
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;
}
/* What we need: specific condition, is walk in , tactic, distance elevation
* minsteps, maxsteps, waterdrops, pump/roll, fwa id.
*/
int main( int argc, char *argv[] )
{
GDALAllRegister();
OGRRegisterAll();
const char *pszInputfile = NULL;
const char *pszOutputfile = NULL;
const char *pszOutputFormat = "CSV";
char **papszCreateOptions = NULL;
const char *pszDataPath = NULL;
const char *pszFpuCode = NULL;
int nLimit = 0;
int bProgress = TRUE;
double dfMaxX, dfMinX, dfMaxY, dfMinY;
int bLimit = FALSE;
double dfBuffer = 0.0;
int i = 1;
while( i < argc )
{
if( EQUAL( argv[i], "-p" ) )
{
bProgress = TRUE;
}
else if( EQUAL( argv[i], "-d" ) )
{
pszDataPath = argv[++i];
}
else if( EQUAL( argv[i], "-of" ) )
{
pszOutputFormat = argv[++i];
}
else if( EQUAL( argv[i], "-co" ) )
{
papszCreateOptions = CSLAddString( papszCreateOptions, argv[++i] );
}
else if( EQUAL( argv[i], "-sl" ) )
{
dfMaxX = atof(argv[++i]);
dfMinX = atof(argv[++i]);
dfMaxY = atof(argv[++i]);
dfMinY = atof(argv[++i]);
bLimit = TRUE;
}
else if( EQUAL( argv[i], "-fpu" ) )
{
pszFpuCode = argv[++i];
}
else if( EQUAL( argv[i], "-b" ) )
{
dfBuffer = atof( argv[++i] );
}
else if( EQUAL( argv[i], "-l" ) )
{
nLimit = atoi( argv[++i] );
}
else if( EQUAL( argv[i], "-h" ) )
{
Usage();
}
else if( pszInputfile == NULL )
{
pszInputfile = argv[i];
}
else if( pszOutputfile == NULL )
{
pszOutputfile = argv[i];
}
else
{
Usage();
}
i++;
}
if( pszInputfile == NULL )
{
CPLError( CE_Failure, CPLE_OpenFailed, "No input file provided\n");
Usage();
}
if( pszOutputfile == NULL )
{
CPLError( CE_Failure, CPLE_OpenFailed, "Invalid output selected, "
"use database and table or output file\n" );
Usage();
}
pszDataPath = CPLGetConfigOption( "OMFFR_DATA", NULL );
OGRDataSourceH hInputDS = OGROpen( pszInputfile, FALSE, NULL );
if( hInputDS == NULL )
{
CPLError( CE_Failure, CPLE_OpenFailed, "Cannot open input file\n" );
Usage();
}
int year, num, day;
const char *dow, *disc_time;
int bi;
double ros;
int fuel;
const char *spec_cond;
int slope, walkin;
const char *tactic;
double dist;
int elev;
double ltow;
int minsteps = 250;
int maxsteps = 10000;
const char *sunrise, *sunset;
int waterdrops, pumproll;
char *abyFwa;
const char *fwaid;
double lon, lat;
OGRLayerH hInputLayer;
hInputLayer = OGR_DS_GetLayerByName( hInputDS, CPLGetBasename( pszInputfile ) );
OGRFeatureDefnH hInputFeatureDefn;
OGRFeatureH hInputFeature;
OGRGeometryH hGeometry;
hInputFeatureDefn = OGR_L_GetLayerDefn( hInputLayer );
const char *pszTmpFilename =CPLFormFilename( pszDataPath, "irs/FWA", ".dat" );
std::vector<CFWA>fwas = LoadFwas( pszTmpFilename );
int nFeatures = OGR_L_GetFeatureCount( hInputLayer, TRUE );
FILE *fout = fopen( pszOutputfile, "w" );
//CFWA *fwa;
Random random;
char pszDb[8192];
sprintf( pszDb, "%s/omffr.sqlite", pszDataPath );
IRSDataAccess *poDA = IRSDataAccess::Create( 0, pszDb );
int rc;
sqlite3 *db;
rc = sqlite3_open_v2( pszDb, &db, SQLITE_OPEN_READONLY, NULL );
rc = sqlite3_enable_load_extension( db, 1 );
rc = sqlite3_load_extension( db, "/usr/local/lib/libspatialite.so", 0, NULL );
sqlite3_stmt *stmt;
rc = sqlite3_prepare_v2( db, "SELECT * from fwa join fwa_bndry USING(fwa_gis_id) " \
"WHERE ST_Contains(fwa_bndry.geometry, MakePoint(?, ?, 4269))",
-1, &stmt, NULL );
if(rc)
{
CPLError( CE_Failure, CPLE_AppDefined, "Could not open DB");
}
GDALTermProgress( 0.0, NULL, NULL );
OGR_L_ResetReading( hInputLayer );
const char *pszFwaName;
int nDone = 0;
while( ( hInputFeature = OGR_L_GetNextFeature( hInputLayer ) ) != NULL )
{
/*
fwaid = OGR_F_GetFieldAsString( hInputFeature,
OGR_FD_GetFieldIndex( hInputFeatureDefn,
"fwa_name" ) );
abyFwa = CPLStrdup( fwaid );
LaunderFwaName( abyFwa );
fwa = FindFwa( fwas, abyFwa );
if( fwa == NULL )
{
CPLError( CE_Warning, CPLE_FileIO,
"Could not load fwa (%s)from file, missing\n", abyFwa );
continue;
}
*/
/* Get fwa by point */
hGeometry = OGR_F_GetGeometryRef( hInputFeature );
/* Try to handle non-geometry types (csv) */
if( hGeometry != NULL )
{
lat = OGR_G_GetY( hGeometry, 0 );
lon = OGR_G_GetX( hGeometry, 0 );
}
else
{
lat = OGR_F_GetFieldAsDouble( hInputFeature, OGR_FD_GetFieldIndex( hInputFeatureDefn,
"Y") );
lon = OGR_F_GetFieldAsDouble( hInputFeature, OGR_FD_GetFieldIndex( hInputFeatureDefn,
"X") );
}
std::string oFwaName = poDA->PointQuery( "fwa_bndry", "fwa_lndr_name",
lon, lat );
rc = sqlite3_bind_double( stmt, 1, lon );
rc = sqlite3_bind_double( stmt, 2, lat );
//sqlite3_bind_text( stmt, 1, oFwaName.c_str(), -1, SQLITE_TRANSIENT);
rc = sqlite3_step( stmt );
if( rc != SQLITE_ROW && rc != SQLITE_DONE )
{
CPLError( CE_Warning, CPLE_FileIO,
"Could not load fwa (%s)from file, missing\n", oFwaName.c_str() );
sqlite3_reset(stmt);
continue;
}
int nFwaWalkIn, nFwaHead, nFwaTail, nFwaPara, nFwaAttackD;
int nFwaWaterDrop, nFwaPumpRoll;
nFwaWalkIn = sqlite3_column_int( stmt, 4 );
nFwaHead = sqlite3_column_int( stmt, 6 );
nFwaTail = sqlite3_column_int( stmt, 7 );
nFwaPara = sqlite3_column_int( stmt, 8 );
nFwaAttackD = sqlite3_column_int( stmt, 9 );
nFwaWaterDrop = sqlite3_column_int( stmt, 10 );
nFwaPumpRoll = sqlite3_column_int( stmt, 5 );
year = OGR_F_GetFieldAsInteger( hInputFeature,
OGR_FD_GetFieldIndex( hInputFeatureDefn,
"year" ) );
num = OGR_F_GetFieldAsInteger( hInputFeature, OGR_FD_GetFieldIndex( hInputFeatureDefn,
"fire_num" ) );
day = OGR_F_GetFieldAsInteger( hInputFeature, OGR_FD_GetFieldIndex( hInputFeatureDefn,
"day" ) );
dow = OGR_F_GetFieldAsString( hInputFeature, OGR_FD_GetFieldIndex( hInputFeatureDefn,
"week_day" ) );
disc_time = OGR_F_GetFieldAsString( hInputFeature, OGR_FD_GetFieldIndex( hInputFeatureDefn,
"disc_time" ) );
bi = OGR_F_GetFieldAsInteger( hInputFeature, OGR_FD_GetFieldIndex( hInputFeatureDefn,
"bi" ) );
ros = OGR_F_GetFieldAsDouble( hInputFeature, OGR_FD_GetFieldIndex( hInputFeatureDefn,
"ros" ) );
fuel = OGR_F_GetFieldAsInteger( hInputFeature, OGR_FD_GetFieldIndex( hInputFeatureDefn,
"fuel" ) );
spec_cond = OGR_F_GetFieldAsString( hInputFeature, OGR_FD_GetFieldIndex( hInputFeatureDefn,
"spec_cond" ) );
slope = OGR_F_GetFieldAsInteger( hInputFeature, OGR_FD_GetFieldIndex( hInputFeatureDefn,
"slope_perc" ) );
//if( random.rand3() * 100 > fwa->GetWalkInPct() )
if( random.rand3() * 100 > nFwaWalkIn )
walkin = 0;
else
walkin = 1;
//if( fwa->GetHead() == 100 )
if( nFwaHead == 100 )
tactic = "HEAD\0";
//else if( fwa->GetTail() == 100 )
else if( nFwaTail == 100 )
tactic = "TAIL\0";
//else if( fwa->GetParallel() == 100 )
else if( nFwaTail == 100 )
tactic = "PARALLEL\0";
else
{
int r = (int)(random.rand3() * 100 );
int total = 0;
if( r < nFwaHead )
tactic = "HEAD\0";
else if( r < nFwaTail + nFwaTail )
tactic = "TAIL\0";
else
tactic = "PARALLEL\0";
}
//dist = fwa->GetAttackDist();
dist = nFwaAttackD;
elev = OGR_F_GetFieldAsInteger( hInputFeature, OGR_FD_GetFieldIndex( hInputFeatureDefn,
"elev" ) );
ltow = OGR_F_GetFieldAsDouble( hInputFeature, OGR_FD_GetFieldIndex( hInputFeatureDefn,
"ratio" ) );
sunrise = OGR_F_GetFieldAsString( hInputFeature, OGR_FD_GetFieldIndex( hInputFeatureDefn,
"sunrise" ) );
sunset = OGR_F_GetFieldAsString( hInputFeature, OGR_FD_GetFieldIndex( hInputFeatureDefn,
"sunset" ) );
//if( fwa->GetWaterDrops() )
if( nFwaWaterDrop )
waterdrops = TRUE;
else
waterdrops = FALSE;
//if( fwa->GetPumpnRoll() )
if( nFwaPumpRoll )
pumproll = TRUE;
else
pumproll = FALSE;
fprintf( fout, "%d %d %d %s %s "
"%d %lf %d %s %d "
"%d %s %lf %d %lf "
"%d %d %s %s %d "
"%d %s %lf %lf\n",
year, num, day, dow, disc_time,
bi, ros, fuel, spec_cond, slope,
walkin, tactic, dist, elev, ltow,
minsteps, maxsteps, sunrise, sunset, waterdrops,
pumproll, /* abyFwa */ oFwaName.c_str(), lat, lon );
sqlite3_reset(stmt);
nDone++;
GDALTermProgress( (float)nDone / (float)nFeatures, NULL, NULL );
}
GDALTermProgress( 1.0, NULL, NULL );
fclose( fout );
OGR_DS_Destroy( hInputDS );
return 0;
}
OGRDataSourceH RasterliteCreateTables(OGRDataSourceH hDS, const char* pszTableName,
int nSRSId, int bWipeExistingData)
{
CPLString osSQL;
CPLString osOldVal = CPLGetConfigOption("SQLITE_LIST_ALL_TABLES", "FALSE");
CPLString osDBName = OGR_DS_GetName(hDS);
CPLString osRasterLayer;
osRasterLayer.Printf("%s_rasters", pszTableName);
CPLString osMetatadataLayer;
osMetatadataLayer.Printf("%s_metadata", pszTableName);
OGRLayerH hLyr;
if (OGR_DS_GetLayerByName(hDS, osRasterLayer.c_str()) == NULL)
{
/* -------------------------------------------------------------------- */
/* The table don't exist. Create them */
/* -------------------------------------------------------------------- */
/* Create _rasters table */
osSQL.Printf ("CREATE TABLE \"%s\" ("
"id INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,"
"raster BLOB NOT NULL)", osRasterLayer.c_str());
OGR_DS_ExecuteSQL(hDS, osSQL.c_str(), NULL, NULL);
/* Create _metadata table */
osSQL.Printf ("CREATE TABLE \"%s\" ("
"id INTEGER NOT NULL PRIMARY KEY,"
"source_name TEXT NOT NULL,"
"tile_id INTEGER NOT NULL,"
"width INTEGER NOT NULL,"
"height INTEGER NOT NULL,"
"pixel_x_size DOUBLE NOT NULL,"
"pixel_y_size DOUBLE NOT NULL)",
osMetatadataLayer.c_str());
OGR_DS_ExecuteSQL(hDS, osSQL.c_str(), NULL, NULL);
/* Add geometry column to _metadata table */
osSQL.Printf("SELECT AddGeometryColumn('%s', 'geometry', %d, 'POLYGON', 2)",
osMetatadataLayer.c_str(), nSRSId);
if ((hLyr = OGR_DS_ExecuteSQL(hDS, osSQL.c_str(), NULL, NULL)) == NULL)
{
CPLError(CE_Failure, CPLE_AppDefined,
"Check that the OGR SQLite driver has Spatialite support");
OGRReleaseDataSource(hDS);
return NULL;
}
OGR_DS_ReleaseResultSet(hDS, hLyr);
/* Create spatial index on _metadata table */
osSQL.Printf("SELECT CreateSpatialIndex('%s', 'geometry')",
osMetatadataLayer.c_str());
if ((hLyr = OGR_DS_ExecuteSQL(hDS, osSQL.c_str(), NULL, NULL)) == NULL)
{
OGRReleaseDataSource(hDS);
return NULL;
}
OGR_DS_ReleaseResultSet(hDS, hLyr);
/* Re-open the DB to take into account the new tables*/
OGRReleaseDataSource(hDS);
CPLSetConfigOption("SQLITE_LIST_ALL_TABLES", "TRUE");
hDS = OGROpen(osDBName.c_str(), TRUE, NULL);
CPLSetConfigOption("SQLITE_LIST_ALL_TABLES", osOldVal.c_str());
}
else
{
/* Check that the existing SRS is consistent with the one of the new */
/* data to be inserted */
osSQL.Printf("SELECT srid FROM geometry_columns WHERE f_table_name = '%s'",
osMetatadataLayer.c_str());
hLyr = OGR_DS_ExecuteSQL(hDS, osSQL.c_str(), NULL, NULL);
if (hLyr)
{
int nExistingSRID = -1;
OGRFeatureH hFeat = OGR_L_GetNextFeature(hLyr);
if (hFeat)
{
nExistingSRID = OGR_F_GetFieldAsInteger(hFeat, 0);
OGR_F_Destroy(hFeat);
}
OGR_DS_ReleaseResultSet(hDS, hLyr);
if (nExistingSRID != nSRSId)
{
if (bWipeExistingData)
{
osSQL.Printf("UPDATE geometry_columns SET srid = %d "
"WHERE f_table_name = \"%s\"",
nSRSId, osMetatadataLayer.c_str());
OGR_DS_ExecuteSQL(hDS, osSQL.c_str(), NULL, NULL);
/* Re-open the DB to take into account the change of SRS */
OGRReleaseDataSource(hDS);
CPLSetConfigOption("SQLITE_LIST_ALL_TABLES", "TRUE");
hDS = OGROpen(osDBName.c_str(), TRUE, NULL);
CPLSetConfigOption("SQLITE_LIST_ALL_TABLES", osOldVal.c_str());
}
else
{
CPLError(CE_Failure, CPLE_NotSupported,
"New data has not the same SRS as existing data");
OGRReleaseDataSource(hDS);
return NULL;
}
}
}
if (bWipeExistingData)
{
osSQL.Printf("DELETE FROM \"%s\"", osRasterLayer.c_str());
OGR_DS_ExecuteSQL(hDS, osSQL.c_str(), NULL, NULL);
osSQL.Printf("DELETE FROM \"%s\"", osMetatadataLayer.c_str());
OGR_DS_ExecuteSQL(hDS, osSQL.c_str(), NULL, NULL);
}
}
return hDS;
}
QgsOgrFeatureIterator::QgsOgrFeatureIterator( QgsOgrFeatureSource* source, bool ownSource, const QgsFeatureRequest& request )
: QgsAbstractFeatureIteratorFromSource<QgsOgrFeatureSource>( source, ownSource, request )
, mFeatureFetched( false )
, mConn( nullptr )
, ogrLayer( nullptr )
, mSubsetStringSet( false )
, mFetchGeometry( false )
, mExpressionCompiled( false )
, mFilterFids( mRequest.filterFids() )
, mFilterFidsIt( mFilterFids.constBegin() )
{
mConn = QgsOgrConnPool::instance()->acquireConnection( mSource->mProvider->dataSourceUri() );
if ( !mConn->ds )
{
return;
}
if ( mSource->mLayerName.isNull() )
{
ogrLayer = OGR_DS_GetLayer( mConn->ds, mSource->mLayerIndex );
}
else
{
ogrLayer = OGR_DS_GetLayerByName( mConn->ds, TO8( mSource->mLayerName ) );
}
if ( !ogrLayer )
{
return;
}
if ( !mSource->mSubsetString.isEmpty() )
{
ogrLayer = QgsOgrProviderUtils::setSubsetString( ogrLayer, mConn->ds, mSource->mEncoding, mSource->mSubsetString );
if ( !ogrLayer )
{
return;
}
mSubsetStringSet = true;
}
mFetchGeometry = ( !mRequest.filterRect().isNull() ) || !( mRequest.flags() & QgsFeatureRequest::NoGeometry );
QgsAttributeList attrs = ( mRequest.flags() & QgsFeatureRequest::SubsetOfAttributes ) ? mRequest.subsetOfAttributes() : mSource->mFields.allAttributesList();
// ensure that all attributes required for expression filter are being fetched
if ( mRequest.flags() & QgsFeatureRequest::SubsetOfAttributes && request.filterType() == QgsFeatureRequest::FilterExpression )
{
//ensure that all fields required for filter expressions are prepared
QSet<int> attributeIndexes = request.filterExpression()->referencedAttributeIndexes( mSource->mFields );
attributeIndexes += attrs.toSet();
attrs = attributeIndexes.toList();
mRequest.setSubsetOfAttributes( attrs );
}
if ( request.filterType() == QgsFeatureRequest::FilterExpression && request.filterExpression()->needsGeometry() )
{
mFetchGeometry = true;
}
// make sure we fetch just relevant fields
// unless it's a VRT data source filtered by geometry as we don't know which
// attributes make up the geometry and OGR won't fetch them to evaluate the
// filter if we choose to ignore them (fixes #11223)
if (( mSource->mDriverName != "VRT" && mSource->mDriverName != "OGR_VRT" ) || mRequest.filterRect().isNull() )
{
QgsOgrProviderUtils::setRelevantFields( ogrLayer, mSource->mFields.count(), mFetchGeometry, attrs, mSource->mFirstFieldIsFid );
}
// spatial query to select features
if ( !mRequest.filterRect().isNull() )
{
const QgsRectangle& rect = mRequest.filterRect();
OGR_L_SetSpatialFilterRect( ogrLayer, rect.xMinimum(), rect.yMinimum(), rect.xMaximum(), rect.yMaximum() );
}
else
{
OGR_L_SetSpatialFilter( ogrLayer, nullptr );
}
if ( request.filterType() == QgsFeatureRequest::FilterExpression
&& QSettings().value( "/qgis/compileExpressions", true ).toBool() )
{
QgsSqlExpressionCompiler* compiler;
if ( source->mDriverName == "SQLite" || source->mDriverName == "GPKG" )
{
compiler = new QgsSQLiteExpressionCompiler( source->mFields );
}
else
{
compiler = new QgsOgrExpressionCompiler( source );
}
QgsSqlExpressionCompiler::Result result = compiler->compile( request.filterExpression() );
if ( result == QgsSqlExpressionCompiler::Complete || result == QgsSqlExpressionCompiler::Partial )
{
QString whereClause = compiler->result();
if ( OGR_L_SetAttributeFilter( ogrLayer, mSource->mEncoding->fromUnicode( whereClause ).constData() ) == OGRERR_NONE )
{
//if only partial success when compiling expression, we need to double-check results using QGIS' expressions
mExpressionCompiled = ( result == QgsSqlExpressionCompiler::Complete );
mCompileStatus = ( mExpressionCompiled ? Compiled : PartiallyCompiled );
}
}
else
{
OGR_L_SetAttributeFilter( ogrLayer, nullptr );
}
delete compiler;
}
else
{
OGR_L_SetAttributeFilter( ogrLayer, nullptr );
}
//start with first feature
rewind();
}
int db__driver_execute_immediate(dbString * sql)
{
char *where, *table;
int res, ncols, i;
column_info *cols;
OGRLayerH hLayer;
OGRFeatureH hFeature;
OGRFeatureDefnH hFeatureDefn;
OGRFieldDefnH hFieldDefn;
G_debug(1, "db__driver_execute_immediate():");
G_debug(3, "\tSQL: '%s'", db_get_string(sql));
/* try RDBMS SQL */
OGR_DS_ExecuteSQL(hDs, db_get_string(sql), NULL, NULL);
if (CPLGetLastErrorType() == CE_None)
return DB_OK;
/* parse UPDATE statement */
res = parse_sql_update(db_get_string(sql), &table, &cols, &ncols, &where);
G_debug(3, "\tUPDATE: table=%s, where=%s, ncols=%d", table, where ? where : "", ncols);
if (res != 0)
return DB_FAILED;
/* get OGR layer */
hLayer = OGR_DS_GetLayerByName(hDs, table);
if (!hLayer) {
db_d_append_error(_("OGR layer <%s> not found"), table);
db_d_report_error();
return DB_FAILED;
}
if (where)
OGR_L_SetAttributeFilter(hLayer, where);
/* get columns info */
hFeatureDefn = OGR_L_GetLayerDefn(hLayer);
for (i = 0; i < ncols; i++) {
cols[i].index = OGR_FD_GetFieldIndex(hFeatureDefn, cols[i].name);
if (cols[i].index < 0) {
db_d_append_error(_("Column <%s> not found in table <%s>"),
cols[i].name, table);
db_d_report_error();
return DB_FAILED;
}
cols[i].qindex = OGR_FD_GetFieldIndex(hFeatureDefn, cols[i].value);
hFieldDefn = OGR_FD_GetFieldDefn(hFeatureDefn, cols[i].index);
cols[i].type = OGR_Fld_GetType(hFieldDefn);
G_debug(3, "\t\tcol=%s, val=%s, idx=%d, type=%d, qidx=%d",
cols[i].name, cols[i].value, cols[i].index, cols[i].type,
cols[i].qindex);
}
/* update features */
OGR_L_ResetReading(hLayer);
while(TRUE) {
char *value;
hFeature = OGR_L_GetNextFeature(hLayer);
if (!hFeature)
break;
G_debug(5, "\tfid=%ld", OGR_F_GetFID(hFeature));
for (i = 0; i < ncols; i++) {
if (cols[i].qindex > -1) {
value = (char *)OGR_F_GetFieldAsString(hFeature, cols[i].qindex);
}
else {
if ((cols[i].type != OFTInteger ||
cols[i].type != OFTReal) && *(cols[i].value) == '\'') {
value = G_strchg(cols[i].value, '\'', ' ');
G_strip(value);
}
else {
value = cols[i].value;
}
}
OGR_F_SetFieldString(hFeature, cols[i].index, value);
}
OGR_L_SetFeature(hLayer, hFeature);
OGR_F_Destroy(hFeature);
}
G_free(table);
G_free(where);
for (i = 0; i < ncols; i++) {
G_free(cols[i].name);
G_free(cols[i].value);
}
return DB_OK;
}
