def area_at_zoom(self, zoom=None):
        """
        Return process bounding box for zoom level.

        Parameters
        ----------
        zoom : int or None
            if None, the union of all zoom level areas is returned

        Returns
        -------
        process area : shapely geometry
        """
        if zoom is None:
            if not self._cache_full_process_area:
                logger.debug("calculate process area ...")
                self._cache_full_process_area = cascaded_union([
                    self._area_at_zoom(z) for z in self.init_zoom_levels]
                ).buffer(0)
            return self._cache_full_process_area
        else:
            if zoom not in self.init_zoom_levels:
                raise ValueError(
                    "zoom level not available with current configuration")
            return self._area_at_zoom(zoom)
def area_at_zoom(self, zoom=None):
        """
        Return process bounding box for zoom level.

        Parameters
        ----------
        zoom : int or None
            if None, the union of all zoom level areas is returned

        Returns
        -------
        process area : shapely geometry
        """
        if zoom is None:
            if not self._cache_full_process_area:
                logger.debug("calculate process area ...")
                self._cache_full_process_area = cascaded_union([
                    self._area_at_zoom(z) for z in self.init_zoom_levels]
                ).buffer(0)
            return self._cache_full_process_area
        else:
            if zoom not in self.init_zoom_levels:
                raise ValueError(
                    "zoom level not available with current configuration")
            return self._area_at_zoom(zoom)
def area_at_zoom ( self , zoom = None ) : if zoom is None : if not self . _cache_full_process_area : logger . debug ( "calculate process area ..." ) self . _cache_full_process_area = cascaded_union ( [ self . _area_at_zoom ( z ) for z in self . init_zoom_levels ] ) . buffer ( 0 ) return self . _cache_full_process_area else : if zoom not in self . init_zoom_levels : raise ValueError ( "zoom level not available with current configuration" ) return self . _area_at_zoom ( zoom )
Return process bounding box for zoom level.

        Parameters
        ----------
        zoom : int or None
            if None, the union of all zoom level areas is returned

        Returns
        -------
        process area : shapely geometry
Return process bounding box for zoom level .