void
PCLoaderArcView::load(const std::string& file, OptionsCont& oc, PCPolyContainer& toFill,
PCTypeMap&) {
#ifdef HAVE_GDAL
GeoConvHelper& geoConvHelper = GeoConvHelper::getProcessing();
// get defaults
std::string prefix = oc.getString("prefix");
std::string type = oc.getString("type");
RGBColor color = RGBColor::parseColor(oc.getString("color"));
int layer = oc.getInt("layer");
std::string idField = oc.getString("shapefile.id-column");
bool useRunningID = oc.getBool("shapefile.use-running-id");
// start parsing
std::string shpName = file + ".shp";
OGRRegisterAll();
OGRDataSource* poDS = OGRSFDriverRegistrar::Open(shpName.c_str(), FALSE);
if (poDS == NULL) {
throw ProcessError("Could not open shape description '" + shpName + "'.");
}
// begin file parsing
OGRLayer* poLayer = poDS->GetLayer(0);
poLayer->ResetReading();
// build coordinate transformation
OGRSpatialReference* origTransf = poLayer->GetSpatialRef();
OGRSpatialReference destTransf;
// use wgs84 as destination
destTransf.SetWellKnownGeogCS("WGS84");
OGRCoordinateTransformation* poCT = OGRCreateCoordinateTransformation(origTransf, &destTransf);
if (poCT == NULL) {
if (oc.isSet("shapefile.guess-projection")) {
OGRSpatialReference origTransf2;
origTransf2.SetWellKnownGeogCS("WGS84");
poCT = OGRCreateCoordinateTransformation(&origTransf2, &destTransf);
}
if (poCT == 0) {
WRITE_WARNING("Could not create geocoordinates converter; check whether proj.4 is installed.");
}
}
OGRFeature* poFeature;
poLayer->ResetReading();
unsigned int runningID = 0;
while ((poFeature = poLayer->GetNextFeature()) != NULL) {
// read in edge attributes
std::string id = useRunningID ? toString(runningID) : poFeature->GetFieldAsString(idField.c_str());
++runningID;
id = StringUtils::prune(id);
if (id == "") {
throw ProcessError("Missing id under '" + idField + "'");
}
id = prefix + id;
// read in the geometry
OGRGeometry* poGeometry = poFeature->GetGeometryRef();
if (poGeometry == 0) {
OGRFeature::DestroyFeature(poFeature);
continue;
}
// try transform to wgs84
poGeometry->transform(poCT);
OGRwkbGeometryType gtype = poGeometry->getGeometryType();
switch (gtype) {
case wkbPoint: {
OGRPoint* cgeom = (OGRPoint*) poGeometry;
Position pos((SUMOReal) cgeom->getX(), (SUMOReal) cgeom->getY());
if (!geoConvHelper.x2cartesian(pos)) {
WRITE_ERROR("Unable to project coordinates for POI '" + id + "'.");
}
PointOfInterest* poi = new PointOfInterest(id, type, color, pos, (SUMOReal)layer);
if (!toFill.insert(id, poi, layer)) {
WRITE_ERROR("POI '" + id + "' could not be added.");
delete poi;
}
}
break;
case wkbLineString: {
OGRLineString* cgeom = (OGRLineString*) poGeometry;
PositionVector shape;
for (int j = 0; j < cgeom->getNumPoints(); j++) {
Position pos((SUMOReal) cgeom->getX(j), (SUMOReal) cgeom->getY(j));
if (!geoConvHelper.x2cartesian(pos)) {
WRITE_ERROR("Unable to project coordinates for polygon '" + id + "'.");
}
shape.push_back_noDoublePos(pos);
}
Polygon* poly = new Polygon(id, type, color, shape, false, (SUMOReal)layer);
if (!toFill.insert(id, poly, layer)) {
WRITE_ERROR("Polygon '" + id + "' could not be added.");
delete poly;
}
}
break;
case wkbPolygon: {
OGRLinearRing* cgeom = ((OGRPolygon*) poGeometry)->getExteriorRing();
PositionVector shape;
for (int j = 0; j < cgeom->getNumPoints(); j++) {
Position pos((SUMOReal) cgeom->getX(j), (SUMOReal) cgeom->getY(j));
if (!geoConvHelper.x2cartesian(pos)) {
WRITE_ERROR("Unable to project coordinates for polygon '" + id + "'.");
}
shape.push_back_noDoublePos(pos);
}
Polygon* poly = new Polygon(id, type, color, shape, true, (SUMOReal)layer);
if (!toFill.insert(id, poly, layer)) {
WRITE_ERROR("Polygon '" + id + "' could not be added.");
delete poly;
}
}
break;
case wkbMultiPoint: {
OGRMultiPoint* cgeom = (OGRMultiPoint*) poGeometry;
for (int i = 0; i < cgeom->getNumGeometries(); ++i) {
OGRPoint* cgeom2 = (OGRPoint*) cgeom->getGeometryRef(i);
Position pos((SUMOReal) cgeom2->getX(), (SUMOReal) cgeom2->getY());
std::string tid = id + "#" + toString(i);
if (!geoConvHelper.x2cartesian(pos)) {
WRITE_ERROR("Unable to project coordinates for POI '" + tid + "'.");
}
PointOfInterest* poi = new PointOfInterest(tid, type, color, pos, (SUMOReal)layer);
if (!toFill.insert(tid, poi, layer)) {
WRITE_ERROR("POI '" + tid + "' could not be added.");
delete poi;
}
}
}
break;
case wkbMultiLineString: {
OGRMultiLineString* cgeom = (OGRMultiLineString*) poGeometry;
for (int i = 0; i < cgeom->getNumGeometries(); ++i) {
OGRLineString* cgeom2 = (OGRLineString*) cgeom->getGeometryRef(i);
PositionVector shape;
std::string tid = id + "#" + toString(i);
for (int j = 0; j < cgeom2->getNumPoints(); j++) {
Position pos((SUMOReal) cgeom2->getX(j), (SUMOReal) cgeom2->getY(j));
if (!geoConvHelper.x2cartesian(pos)) {
WRITE_ERROR("Unable to project coordinates for polygon '" + tid + "'.");
}
shape.push_back_noDoublePos(pos);
}
Polygon* poly = new Polygon(tid, type, color, shape, false, (SUMOReal)layer);
if (!toFill.insert(tid, poly, layer)) {
WRITE_ERROR("Polygon '" + tid + "' could not be added.");
delete poly;
}
}
}
break;
case wkbMultiPolygon: {
OGRMultiPolygon* cgeom = (OGRMultiPolygon*) poGeometry;
for (int i = 0; i < cgeom->getNumGeometries(); ++i) {
OGRLinearRing* cgeom2 = ((OGRPolygon*) cgeom->getGeometryRef(i))->getExteriorRing();
PositionVector shape;
std::string tid = id + "#" + toString(i);
for (int j = 0; j < cgeom2->getNumPoints(); j++) {
Position pos((SUMOReal) cgeom2->getX(j), (SUMOReal) cgeom2->getY(j));
if (!geoConvHelper.x2cartesian(pos)) {
WRITE_ERROR("Unable to project coordinates for polygon '" + tid + "'.");
}
shape.push_back_noDoublePos(pos);
}
Polygon* poly = new Polygon(tid, type, color, shape, true, (SUMOReal)layer);
if (!toFill.insert(tid, poly, layer)) {
WRITE_ERROR("Polygon '" + tid + "' could not be added.");
delete poly;
}
}
}
break;
default:
WRITE_WARNING("Unsupported shape type occured (id='" + id + "').");
break;
}
OGRFeature::DestroyFeature(poFeature);
}
PROGRESS_DONE_MESSAGE();
#else
WRITE_ERROR("SUMO was compiled without GDAL support.");
#endif
}
bool ShpReader::Open(std::wstring fullPath, StudyControllerPtr studyController,
VectorMapControllerPtr vectorMapController, ProgressDlgPtr progressDlg)
{
// Registers all format drivers built into GDAL/OGR.
OGRRegisterAll();
OGRDataSource *OGRDataset;
// Open vector file path
std::string tempStr( fullPath.begin(), fullPath.end() );
OGRDataset = OGRSFDriverRegistrar::Open( tempStr.c_str(), FALSE );
// Return if no vector files are found
if( OGRDataset == NULL )
{
Log::Inst().Warning("(Warning) Failed to open file at " + tempStr + ".");
return false;
}
if ( App::Inst().GetLayerTreeController()->GetNumMapLayers() >0 )
MapControllerPtr mapController= App::Inst().GetLayerTreeController()->GetLayerTreeModel()->GetStudy(0)->GetMapLayer(0)->GetMapController();
// It appears that shapefiles (*.SHP) only support up to one layer per file
// This will need to be further investigated for other vector filetypes (e.g., KML)
// For now just grab layer at position 0
OGRLayer *poLayer = OGRDataset->GetLayer( 0 );
// Determine the XY boundaries for the entire vector dataset
OGREnvelope psEnvelope;
VectorMapModelPtr vectorMapModel = vectorMapController->GetVectorMapModel();
poLayer->GetExtent( &psEnvelope );
vectorMapModel->SetVectorBoundary(psEnvelope);
if(!SetupVectorProjection(OGRDataset,studyController,poLayer,vectorMapController ))
{
OGRDataset->DestroyDataSource(OGRDataset);
return false;
}
if(progressDlg)
{
if(!progressDlg->Update(0, _T("Reading Vector Map Information...")))
{
OGRDataset->DestroyDataSource(OGRDataset);
return false;
}
}
GLdouble minX, minY, maxX, maxY;
minX = minY = std::numeric_limits<float>::max();
maxX = maxY = -std::numeric_limits<float>::max();
// Retrieve features from the dataset
OGRFeature *poFeature;
poLayer->ResetReading();
int numFeatures = poLayer->GetFeatureCount();
int count=0;
//Log::Inst().Write("Loading shapefile with the following meta data:");
while ( ( poFeature = poLayer->GetNextFeature() ) != NULL )
{
/////////////////////////////////////////////////
// PHASE 1: Retrieve METADATA from the dataset //
/////////////////////////////////////////////////
OGRFeatureDefn *poFDefn = poLayer->GetLayerDefn();
int iField;
for( iField = 0; iField < poFDefn->GetFieldCount(); iField++ )
{
OGRFieldDefn *poFieldDefn = poFDefn->GetFieldDefn( iField );
//if( poFieldDefn->GetType() == OFTInteger )
// printf( "%d,", poFeature->GetFieldAsInteger( iField ) );
//else if( poFieldDefn->GetType() == OFTReal )
// printf( "%.3f,", poFeature->GetFieldAsDouble(iField) );
//else if( poFieldDefn->GetType() == OFTString )
// printf( "%s,", poFeature->GetFieldAsString(iField) );
//else
// printf( "%s,", poFeature->GetFieldAsString(iField) );
//ofs << poFeature->GetFieldAsString(iField) << ",";
std::string metaData = poFeature->GetFieldAsString(iField);
// do something with the meta data...
//Log::Inst().Write(metaData);
}
count++;
if(progressDlg)
{
if(!progressDlg->Update(int(50 + (float(count)/numFeatures)*50)))
return false;
}
///////////////////////////////////////////////////
// PHASE 2: Retrieve GEOMETRIES from the dataset //
///////////////////////////////////////////////////
OGRGeometry *poGeometry;
poGeometry = poFeature->GetGeometryRef();
// Move to the next feature in the set if no geometry present
if( poGeometry == NULL )
{
OGRFeature::DestroyFeature( poFeature );
continue;
}
OGRwkbGeometryType whatisit = poGeometry->getGeometryType();
// Handle POINTS
if ( wkbFlatten( poGeometry->getGeometryType() ) == wkbPoint )
{
GeoVector* geoVector = new GeoVector();
OGRPoint *poPoint = (OGRPoint *) poGeometry;
geoVector->SetGeometryType( wkbPoint );
geoVector->SetNumberOfPoints( 1 );
if(needProjection)
{
double x,y;
x= poPoint->getX();
y= poPoint->getY();
if(!poTransform->Transform(1, &x, &y))
{
Log::Inst().Warning("(Warning) Failed to project vector map.");
OGRDataset->DestroyDataSource(OGRDataset);
return false;
}
// project and store the points
geoVector->pointX[0] = x;
geoVector->pointY[0] = y;
if(x < minX) minX=x;
if(y < minY) minY=y;
if(x > maxX) maxX=x;
if(y > maxY) maxY=y;
}
else
{
geoVector->pointX[0] = poPoint->getX();
geoVector->pointY[0] = poPoint->getY();
}
vectorMapController->GetVectorMapModel()->AddGeoVector( geoVector );
}
//Handle MultiPoint
else if ( wkbFlatten( poGeometry->getGeometryType() ) == wkbMultiPoint )
{
OGRMultiPoint *poMultiPoint = (OGRMultiPoint *) poGeometry;
for ( int currGeometry = 0; currGeometry < poMultiPoint->getNumGeometries(); currGeometry++ )
{
GeoVector* geoVector = new GeoVector();
OGRPoint *poPoint = ( OGRPoint* )poMultiPoint->getGeometryRef( currGeometry );
geoVector->SetGeometryType( wkbPoint );
geoVector->SetNumberOfPoints( 1 );
if(needProjection)
{
double x,y;
x= poPoint->getX();
y= poPoint->getY();
if(!poTransform->Transform(1, &x, &y))
{
Log::Inst().Warning("(Warning) Failed to project vector map.");
OGRDataset->DestroyDataSource(OGRDataset);
return false;
}
// project and store the points
geoVector->pointX[0] = x;
geoVector->pointY[0] = y;
if(x < minX) minX=x;
if(y < minY) minY=y;
if(x > maxX) maxX=x;
if(y > maxY) maxY=y;
}
else
{
geoVector->pointX[0] = poPoint->getX();
geoVector->pointY[0] = poPoint->getY();
}
vectorMapController->GetVectorMapModel()->AddGeoVector( geoVector );
}
}
//Handle Polylines
else if ( wkbFlatten( poGeometry->getGeometryType() ) == wkbLineString )
{
GeoVector* geoVector = new GeoVector();
OGRLineString *poLine = (OGRLineString *) poGeometry;
geoVector->SetGeometryType( wkbLineString );
geoVector->SetNumberOfPoints( poLine->getNumPoints() );
// Convert and store the points
for ( int currentPoint = 0; currentPoint < poLine->getNumPoints(); currentPoint++ )
{
// Convert and store the points
if(needProjection)
{
double x,y;
x= poLine->getX( currentPoint );
y= poLine->getY( currentPoint );
if(!poTransform->Transform(1, &x, &y))
{
Log::Inst().Warning("(Warning) Failed to project vector map.");
OGRDataset->DestroyDataSource(OGRDataset);
return false;
}
// project and store the points
geoVector->pointX[currentPoint] = x;
geoVector->pointY[currentPoint] = y;
if(x < minX) minX=x;
if(y < minY) minY=y;
if(x > maxX) maxX=x;
if(y > maxY) maxY=y;
}
else
{
geoVector->pointX[currentPoint] = poLine->getX( currentPoint );
geoVector->pointY[currentPoint] = poLine->getY( currentPoint );
}
}
vectorMapController->GetVectorMapModel()->AddGeoVector( geoVector );
}
// Handle MultiPolyLine
else if ( wkbFlatten( poGeometry->getGeometryType() ) == wkbMultiLineString )
{
OGRMultiLineString *poMultiLine = (OGRMultiLineString *) poGeometry;
for ( int currGeometry = 0; currGeometry < poMultiLine->getNumGeometries(); currGeometry++ )
{
GeoVector* geoVector = new GeoVector();
OGRLineString *poLine = ( OGRLineString* )poMultiLine->getGeometryRef( currGeometry );
geoVector->SetGeometryType( wkbLineString );
geoVector->SetNumberOfPoints( poLine->getNumPoints() );
for ( int currentPoint = 0; currentPoint < poLine ->getNumPoints(); currentPoint++ )
{
if(needProjection)
{
double x,y;
x= poLine->getX( currentPoint );
y= poLine->getY( currentPoint );
if(!poTransform->Transform(1, &x, &y))
{
Log::Inst().Warning("(Warning) Failed to project vector map.");
OGRDataset->DestroyDataSource(OGRDataset);
return false;
}
// project and store the points
geoVector->pointX[currentPoint] = x;
geoVector->pointY[currentPoint] = y;
if(x < minX) minX=x;
if(y < minY) minY=y;
if(x > maxX) maxX=x;
if(y > maxY) maxY=y;
}
else
{
geoVector->pointX[currentPoint] = poLine->getX( currentPoint );
geoVector->pointY[currentPoint] = poLine->getY( currentPoint );
}
}
vectorMapController->GetVectorMapModel()->AddGeoVector( geoVector );
}
}
// Handle POLYGONS
else if ( wkbFlatten( poGeometry->getGeometryType() ) == wkbPolygon )
{
GeoVector* geoVector = new GeoVector();
OGRPolygon *poPolygon = ( OGRPolygon* )poGeometry;
OGRLinearRing *poLinearRing = poPolygon->getExteriorRing();
geoVector->SetGeometryType( wkbLinearRing );
geoVector->SetNumberOfPoints( poLinearRing->getNumPoints() );
for ( int currentPoint = 0; currentPoint < poLinearRing->getNumPoints(); currentPoint++ )
{
if(needProjection)
{
double x,y;
x= poLinearRing->getX( currentPoint );
y= poLinearRing->getY( currentPoint );
if(!poTransform->Transform(1, &x, &y))
{
Log::Inst().Warning("(Warning) Failed to project vector map.");
OGRDataset->DestroyDataSource(OGRDataset);
return false;
}
// project and store the points
geoVector->pointX[currentPoint] = x;
geoVector->pointY[currentPoint] = y;
if(x < minX) minX=x;
if(y < minY) minY=y;
if(x > maxX) maxX=x;
if(y > maxY) maxY=y;
}
else
{
geoVector->pointX[currentPoint] = poLinearRing->getX( currentPoint );
geoVector->pointY[currentPoint] = poLinearRing->getY( currentPoint );
}
}
vectorMapController->GetVectorMapModel()->AddGeoVector( geoVector );
}
// Handle MULTIPOLYGONS
else if ( wkbFlatten( poGeometry->getGeometryType() ) == wkbMultiPolygon )
{
OGRMultiPolygon *poMultiPolygon = (OGRMultiPolygon *) poGeometry;
for ( int currGeometry = 0; currGeometry < poMultiPolygon->getNumGeometries(); currGeometry++ )
{
GeoVector* geoVector = new GeoVector();
// OGRPolygon http://www.gdal.org/ogr/classOGRPolygon.html
OGRPolygon *poPolygon = ( OGRPolygon* )poMultiPolygon->getGeometryRef( currGeometry );
// Retrieve the EXTERNAL ring of the multipolygon
OGRLinearRing *poLinearRing = poPolygon->getExteriorRing();
geoVector->SetGeometryType( wkbLinearRing );
geoVector->SetNumberOfPoints( poLinearRing->getNumPoints() );
for ( int currentPoint = 0; currentPoint < poLinearRing->getNumPoints(); currentPoint++ )
{
if(needProjection)
{
double x,y;
x= poLinearRing->getX( currentPoint );
y= poLinearRing->getY( currentPoint );
if(!poTransform->Transform(1, &x, &y))
{
Log::Inst().Warning("(Warning) Failed to project vector map.");
OGRDataset->DestroyDataSource(OGRDataset);
return false;
}
// project and store the points
geoVector->pointX[currentPoint] = x;
geoVector->pointY[currentPoint] = y;
if(x < minX) minX=x;
if(y < minY) minY=y;
if(x > maxX) maxX=x;
if(y > maxY) maxY=y;
}
else
{
geoVector->pointX[currentPoint] = poLinearRing->getX( currentPoint );
geoVector->pointY[currentPoint] = poLinearRing->getY( currentPoint );
}
}
vectorMapController->GetVectorMapModel()->AddGeoVector( geoVector );
// Retrieve all the INTERNAL rings of the multipolygon
for ( int currentRing = 0; currentRing < poPolygon->getNumInteriorRings(); currentRing++ )
{
GeoVector* geoVector2 = new GeoVector();
poLinearRing = poPolygon->getInteriorRing( currentRing );
geoVector2->SetGeometryType( wkbLinearRing );
geoVector2->SetNumberOfPoints( poLinearRing->getNumPoints() );
for ( int currentPoint = 0; currentPoint < poLinearRing->getNumPoints(); currentPoint++ )
{
if(needProjection)
{
double x,y;
x= poLinearRing->getX( currentPoint );
y= poLinearRing->getY( currentPoint );
if(!poTransform->Transform(1, &x, &y))
{
Log::Inst().Warning("(Warning) Failed to project vector map.");
OGRDataset->DestroyDataSource(OGRDataset);
return false;
}
// project and store the points
geoVector2->pointX[currentPoint] = x;
geoVector2->pointY[currentPoint] = y;
if(x < minX) minX=x;
if(y < minY) minY=y;
if(x > maxX) maxX=x;
if(y > maxY) maxY=y;
}
else
{
geoVector2->pointX[currentPoint] = poLinearRing->getX( currentPoint );
geoVector2->pointY[currentPoint] = poLinearRing->getY( currentPoint );
}
}
vectorMapController->GetVectorMapModel()->AddGeoVector( geoVector2 );
}
}
}
// Report a warning message for unhandled geometries
else
{
Log::Inst().Warning("(Warning) Could not load vector data: unsupported geometry.");
}
OGRFeature::DestroyFeature( poFeature );
}
if (float(minX) == float(maxX) && float(minY) == float(maxY))
{
Log::Inst().Warning("(Warning) Failed to project vector map.");
OGRDataset->DestroyDataSource(OGRDataset);
return false;
}
if(needProjection)
{
vectorMapModel->SetVectorBoundary_MinX(minX);
vectorMapModel->SetVectorBoundary_MaxX(maxX);
vectorMapModel->SetVectorBoundary_MinY(minY);
vectorMapModel->SetVectorBoundary_MaxY(maxY);
}
if(!SetupVectorScaling(vectorMapModel,progressDlg))
{
OGRDataset->DestroyDataSource(OGRDataset);
return false;
}
VectorMetaDataInfo(OGRDataset, studyController, vectorMapController);
OGRDataSource::DestroyDataSource( OGRDataset );
return true;
}
OGRFeature *OGRGmtLayer::GetNextRawFeature()
{
#if 0
int bMultiVertex =
poFeatureDefn->GetGeomType() != wkbPoint
&& poFeatureDefn->GetGeomType() != wkbUnknown;
#endif
CPLString osFieldData;
OGRGeometry *poGeom = NULL;
/* -------------------------------------------------------------------- */
/* Read lines associated with this feature. */
/* -------------------------------------------------------------------- */
for( ; true; ReadLine() )
{
if( osLine.length() == 0 )
break;
if( osLine[0] == '>' )
{
if( poGeom != NULL
&& wkbFlatten(poGeom->getGeometryType()) == wkbMultiPolygon )
{
OGRMultiPolygon *poMP = (OGRMultiPolygon *) poGeom;
if( ScanAheadForHole() )
{
// Add a hole to the current polygon.
((OGRPolygon *) poMP->getGeometryRef(
poMP->getNumGeometries()-1 ))->
addRingDirectly( new OGRLinearRing() );
}
else if( !NextIsFeature() )
{
OGRPolygon *poPoly = new OGRPolygon();
poPoly->addRingDirectly( new OGRLinearRing() );
poMP->addGeometryDirectly( poPoly );
}
else
break; /* done geometry */
}
else if( poGeom != NULL
&& wkbFlatten(poGeom->getGeometryType()) == wkbPolygon)
{
if( ScanAheadForHole() )
((OGRPolygon *)poGeom)->
addRingDirectly( new OGRLinearRing() );
else
break; /* done geometry */
}
else if( poGeom != NULL
&& (wkbFlatten(poGeom->getGeometryType())
== wkbMultiLineString)
&& !NextIsFeature() )
{
((OGRMultiLineString *) poGeom)->
addGeometryDirectly( new OGRLineString() );
}
else if( poGeom != NULL )
{
break;
}
else if( poFeatureDefn->GetGeomType() == wkbUnknown )
{
poFeatureDefn->SetGeomType( wkbLineString );
/* bMultiVertex = TRUE; */
}
}
else if( osLine[0] == '#' )
{
for( int i = 0;
papszKeyedValues != NULL && papszKeyedValues[i] != NULL;
i++ )
{
if( papszKeyedValues[i][0] == 'D' )
osFieldData = papszKeyedValues[i] + 1;
}
}
else
{
// Parse point line.
double dfX;
double dfY;
double dfZ = 0.0;
const int nDim
= CPLsscanf( osLine, "%lf %lf %lf", &dfX, &dfY, &dfZ );
if( nDim >= 2 )
{
if( poGeom == NULL )
{
switch( poFeatureDefn->GetGeomType() )
{
case wkbLineString:
poGeom = new OGRLineString();
break;
case wkbPolygon:
poGeom = new OGRPolygon();
reinterpret_cast<OGRPolygon *>(poGeom)->addRingDirectly(
new OGRLinearRing() );
break;
case wkbMultiPolygon:
{
OGRPolygon *poPoly = new OGRPolygon();
poPoly->addRingDirectly( new OGRLinearRing() );
poGeom = new OGRMultiPolygon();
reinterpret_cast<OGRMultiPolygon *>(poGeom)->
addGeometryDirectly( poPoly );
}
break;
case wkbMultiPoint:
poGeom = new OGRMultiPoint();
break;
case wkbMultiLineString:
poGeom = new OGRMultiLineString();
reinterpret_cast<OGRMultiLineString *>(poGeom)->
addGeometryDirectly(new OGRLineString() );
break;
case wkbPoint:
case wkbUnknown:
default:
poGeom = new OGRPoint();
break;
}
}
switch( wkbFlatten(poGeom->getGeometryType()) )
{
case wkbPoint:
reinterpret_cast<OGRPoint *>(poGeom)->setX( dfX );
reinterpret_cast<OGRPoint *>(poGeom)->setY( dfY );
if( nDim == 3 )
reinterpret_cast<OGRPoint *>(poGeom)->setZ( dfZ );
break;
case wkbLineString:
if( nDim == 3 )
reinterpret_cast<OGRLineString *>(poGeom)->
addPoint( dfX, dfY, dfZ);
else
reinterpret_cast<OGRLineString *>(poGeom)->
addPoint( dfX, dfY );
break;
case wkbPolygon:
case wkbMultiPolygon:
{
OGRPolygon *poPoly = NULL;
if( wkbFlatten(poGeom->getGeometryType())
== wkbMultiPolygon )
{
OGRMultiPolygon *poMP = (OGRMultiPolygon *) poGeom;
poPoly = (OGRPolygon*) poMP->getGeometryRef(
poMP->getNumGeometries() - 1 );
}
else
poPoly = reinterpret_cast<OGRPolygon *>(poGeom);
OGRLinearRing *poRing = NULL;
if( poPoly->getNumInteriorRings() == 0 )
poRing = poPoly->getExteriorRing();
else
poRing = poPoly->getInteriorRing(
poPoly->getNumInteriorRings()-1 );
if( nDim == 3 )
poRing->addPoint( dfX, dfY, dfZ );
else
poRing->addPoint( dfX, dfY );
}
break;
case wkbMultiLineString:
{
OGRMultiLineString *poML = (OGRMultiLineString *) poGeom;
OGRLineString *poLine = reinterpret_cast<OGRLineString *>(
poML->getGeometryRef( poML->getNumGeometries() -1 ) );
if( nDim == 3 )
poLine->addPoint( dfX, dfY, dfZ );
else
poLine->addPoint( dfX, dfY );
}
break;
default:
CPLAssert( FALSE );
}
}
}
if( poGeom && wkbFlatten(poGeom->getGeometryType()) == wkbPoint )
{
ReadLine();
break;
}
}
if( poGeom == NULL )
return NULL;
/* -------------------------------------------------------------------- */
/* Create feature. */
/* -------------------------------------------------------------------- */
OGRFeature *poFeature = new OGRFeature( poFeatureDefn );
poGeom->assignSpatialReference(poSRS);
poFeature->SetGeometryDirectly( poGeom );
poFeature->SetFID( iNextFID++ );
/* -------------------------------------------------------------------- */
/* Process field values. */
/* -------------------------------------------------------------------- */
char **papszFD = CSLTokenizeStringComplex( osFieldData, "|", TRUE, TRUE );
for( int iField = 0; papszFD != NULL && papszFD[iField] != NULL; iField++ )
{
if( iField >= poFeatureDefn->GetFieldCount() )
break;
poFeature->SetField( iField, papszFD[iField] );
}
CSLDestroy( papszFD );
m_nFeaturesRead++;
return poFeature;
}