| union | GDAL.OGRGeometry.Interface, GDAL.OGRGeometry, GDAL |
| unionCascaded | GDAL.OGRGeometry.Interface, GDAL.OGRGeometry, GDAL |
| upcastGDALDataset | GDAL.GDALDataset.Interface, GDAL.GDALDataset, GDAL |
| upcastGDALMajorObject | GDAL.GDALMajorObject.Interface, GDAL.GDALMajorObject, GDAL |
| upcastOGRCurve | GDAL.OGRCurve.Interface, GDAL.OGRCurve, GDAL |
| upcastOGRCurvePolygon | GDAL.OGRCurvePolygon.Interface, GDAL.OGRCurvePolygon, GDAL |
| upcastOGREnvelope | GDAL.OGREnvelope.Interface, GDAL.OGREnvelope, GDAL |
| upcastOGRFeature | GDAL.OGRFeature.Interface, GDAL.OGRFeature, GDAL |
| upcastOGRFeatureDefn | GDAL.OGRFeatureDefn.Interface, GDAL.OGRFeatureDefn, GDAL |
| upcastOGRFieldDefn | GDAL.OGRFieldDefn.Interface, GDAL.OGRFieldDefn, GDAL |
| upcastOGRGeometry | GDAL.OGRGeometry.Interface, GDAL.OGRGeometry, GDAL |
| upcastOGRGeometryCollection | GDAL.OGRGeometryCollection.Interface, GDAL.OGRGeometryCollection, GDAL |
| upcastOGRLayer | GDAL.OGRLayer.Interface, GDAL.OGRLayer, GDAL |
| upcastOGRLinearRing | GDAL.OGRLinearRing.Interface, GDAL.OGRLinearRing, GDAL |
| upcastOGRLineString | GDAL.OGRLineString.Interface, GDAL.OGRLineString, GDAL |
| upcastOGRMultiPolygon | GDAL.OGRMultiPolygon.Interface, GDAL.OGRMultiPolygon, GDAL |
| upcastOGRMultiSurface | GDAL.OGRMultiSurface.Interface, GDAL.OGRMultiSurface, GDAL |
| upcastOGRPoint | GDAL.OGRPoint.Interface, GDAL.OGRPoint, GDAL |
| upcastOGRPointIterator | GDAL.OGRPointIterator.Interface, GDAL.OGRPointIterator, GDAL |
| upcastOGRPolygon | GDAL.OGRPolygon.Interface, GDAL.OGRPolygon, GDAL |
| upcastOGRSimpleCurve | GDAL.OGRSimpleCurve.Interface, GDAL.OGRSimpleCurve, GDAL |
| upcastOGRSurface | GDAL.OGRSurface.Interface, GDAL.OGRSurface, GDAL |