Symbology::Geometry*
OgrUtils::createGeometry( OGRGeometryH geomHandle )
{
Symbology::Geometry* output = 0L;
OGRwkbGeometryType wkbType = OGR_G_GetGeometryType( geomHandle );
if (
wkbType == wkbPolygon ||
wkbType == wkbPolygon25D )
{
output = createPolygon( geomHandle );
}
else if (
wkbType == wkbLineString ||
wkbType == wkbLineString25D )
{
int numPoints = OGR_G_GetPointCount( geomHandle );
output = new Symbology::LineString( numPoints );
populate( geomHandle, output, numPoints );
}
else if (
wkbType == wkbLinearRing )
{
int numPoints = OGR_G_GetPointCount( geomHandle );
output = new Symbology::Ring( numPoints );
populate( geomHandle, output, numPoints );
}
else if (
wkbType == wkbPoint ||
wkbType == wkbPoint25D )
{
int numPoints = OGR_G_GetPointCount( geomHandle );
output = new Symbology::PointSet( numPoints );
populate( geomHandle, output, numPoints );
}
else if (
wkbType == wkbGeometryCollection ||
wkbType == wkbGeometryCollection25D ||
wkbType == wkbMultiPoint ||
wkbType == wkbMultiPoint25D ||
wkbType == wkbMultiLineString ||
wkbType == wkbMultiLineString25D ||
wkbType == wkbMultiPolygon ||
wkbType == wkbMultiPolygon25D )
{
Symbology::MultiGeometry* multi = new Symbology::MultiGeometry();
int numGeoms = OGR_G_GetGeometryCount( geomHandle );
for( int n=0; n<numGeoms; n++ )
{
OGRGeometryH subGeomRef = OGR_G_GetGeometryRef( geomHandle, n );
if ( subGeomRef )
{
Symbology::Geometry* geom = createGeometry( subGeomRef );
if ( geom ) multi->getComponents().push_back( geom );
}
}
output = multi;
}
return output;
}
Symbology::Geometry*
OgrUtils::createGeometry( OGRGeometryH geomHandle )
{
Symbology::Geometry* output = 0L;
OGRwkbGeometryType wkbType = OGR_G_GetGeometryType( geomHandle );
int numPoints, numGeoms;
switch (wkbType)
{
case wkbPolygon:
case wkbPolygon25D:
#ifdef GDAL_HAS_M_TYPES
case wkbPolygonM:
case wkbPolygonZM:
#endif
output = createPolygon(geomHandle);
break;
case wkbLineString:
case wkbLineString25D:
#ifdef GDAL_HAS_M_TYPES
case wkbLineStringM:
case wkbLineStringZM:
#endif
numPoints = OGR_G_GetPointCount( geomHandle );
output = new Symbology::LineString( numPoints );
populate( geomHandle, output, numPoints );
break;
case wkbLinearRing:
numPoints = OGR_G_GetPointCount( geomHandle );
output = new Symbology::Ring( numPoints );
populate( geomHandle, output, numPoints );
break;
case wkbPoint:
case wkbPoint25D:
#ifdef GDAL_HAS_M_TYPES
case wkbPointM:
case wkbPointZM:
#endif
numPoints = OGR_G_GetPointCount( geomHandle );
output = new Symbology::PointSet( numPoints );
populate( geomHandle, output, numPoints );
break;
case wkbGeometryCollection:
case wkbGeometryCollection25D:
case wkbMultiPoint:
case wkbMultiPoint25D:
case wkbMultiLineString:
case wkbMultiLineString25D:
case wkbMultiPolygon:
case wkbMultiPolygon25D:
#ifdef GDAL_HAS_M_TYPES
case wkbGeometryCollectionM:
case wkbGeometryCollectionZM:
case wkbMultiPointM:
case wkbMultiPointZM:
case wkbMultiLineStringM:
case wkbMultiLineStringZM:
case wkbMultiPolygonM:
case wkbMultiPolygonZM:
#endif
Symbology::MultiGeometry* multi = new Symbology::MultiGeometry();
numGeoms = OGR_G_GetGeometryCount( geomHandle );
for( int n=0; n<numGeoms; n++ )
{
OGRGeometryH subGeomRef = OGR_G_GetGeometryRef( geomHandle, n );
if ( subGeomRef )
{
Symbology::Geometry* geom = createGeometry( subGeomRef );
if ( geom ) multi->getComponents().push_back( geom );
}
}
output = multi;
break;
}
return output;
}
