def filter_geolevels(self):
        return self.filter_nodes('/DistrictBuilder/GeoLevels/GeoLevel')
@return: the annotation image with selected objects drawn upon it. showFlow will
dataset/ETHPy150Open PublicMapping/DistrictBuilder/django/publicmapping/redistricting/__init__.py/StoredConfig.filter_geolevels--crossover with--dataset/ETHPy150Open bolme/pyvision/src/pyvision/surveillance/MotionDetector.py/MotionDetector.getAnnotatedImage