docs: def _get_submap(self, eopatch):
          """
          Returns a new geopandas dataframe with same structure as original one (columns) except that
          it contains only polygons that are contained within the given bbox.
  
          :param eopatch: input EOPatch
          :type eopatch: EOPatch
          :return: New EOPatch
          :rtype: EOPatch
          """
          bbox_poly = eopatch.bbox.get_geometry()
  
          filtered_data = self.vector_data[self.vector_data.geometry.intersects(bbox_poly)].copy(deep=True)
          filtered_data.geometry = filtered_data.geometry.intersection(bbox_poly)
  
          return filtered_data