geometries.py 文件源码

def __getitem__(self, index):
        "Gets the ring at the specified index."
        if index < 0 or index >= self.geom_count:
            raise OGRIndexError('index out of range: %s' % index)
        else:
            return OGRGeometry(capi.clone_geom(capi.get_geom_ref(self.ptr, index)), self.srs)

    # Polygon Properties