def baselevels(self):
        """
        Optional baselevels configuration.

        baselevels:
            min: <zoom>
            max: <zoom>
            lower: <resampling method>
            higher: <resampling method>
        """
        if "baselevels" not in self._raw:
            return {}
        baselevels = self._raw["baselevels"]
        minmax = {k: v for k, v in baselevels.items() if k in ["min", "max"]}

        if not minmax:
            raise MapcheteConfigError("no min and max values given for baselevels")
        for v in minmax.values():
            if not isinstance(v, int) or v < 0:
                raise MapcheteConfigError(
                    "invalid baselevel zoom parameter given: %s" % minmax.values()
                )

        zooms = list(range(
            minmax.get("min", min(self.zoom_levels)),
            minmax.get("max", max(self.zoom_levels)) + 1)
        )

        if not set(self.zoom_levels).difference(set(zooms)):
            raise MapcheteConfigError("baselevels zooms fully cover process zooms")

        return dict(
            zooms=zooms,
            lower=baselevels.get("lower", "nearest"),
            higher=baselevels.get("higher", "nearest"),
            tile_pyramid=BufferedTilePyramid(
                self.output_pyramid.grid,
                pixelbuffer=self.output_pyramid.pixelbuffer,
                metatiling=self.process_pyramid.metatiling
            )
        )
def baselevels(self):
        """
        Optional baselevels configuration.

        baselevels:
            min: <zoom>
            max: <zoom>
            lower: <resampling method>
            higher: <resampling method>
        """
        if "baselevels" not in self._raw:
            return {}
        baselevels = self._raw["baselevels"]
        minmax = {k: v for k, v in baselevels.items() if k in ["min", "max"]}

        if not minmax:
            raise MapcheteConfigError("no min and max values given for baselevels")
        for v in minmax.values():
            if not isinstance(v, int) or v < 0:
                raise MapcheteConfigError(
                    "invalid baselevel zoom parameter given: %s" % minmax.values()
                )

        zooms = list(range(
            minmax.get("min", min(self.zoom_levels)),
            minmax.get("max", max(self.zoom_levels)) + 1)
        )

        if not set(self.zoom_levels).difference(set(zooms)):
            raise MapcheteConfigError("baselevels zooms fully cover process zooms")

        return dict(
            zooms=zooms,
            lower=baselevels.get("lower", "nearest"),
            higher=baselevels.get("higher", "nearest"),
            tile_pyramid=BufferedTilePyramid(
                self.output_pyramid.grid,
                pixelbuffer=self.output_pyramid.pixelbuffer,
                metatiling=self.process_pyramid.metatiling
            )
        )
def baselevels ( self ) : if "baselevels" not in self . _raw : return { } baselevels = self . _raw [ "baselevels" ] minmax = { k : v for k , v in baselevels . items ( ) if k in [ "min" , "max" ] } if not minmax : raise MapcheteConfigError ( "no min and max values given for baselevels" ) for v in minmax . values ( ) : if not isinstance ( v , int ) or v < 0 : raise MapcheteConfigError ( "invalid baselevel zoom parameter given: %s" % minmax . values ( ) ) zooms = list ( range ( minmax . get ( "min" , min ( self . zoom_levels ) ) , minmax . get ( "max" , max ( self . zoom_levels ) ) + 1 ) ) if not set ( self . zoom_levels ) . difference ( set ( zooms ) ) : raise MapcheteConfigError ( "baselevels zooms fully cover process zooms" ) return dict ( zooms = zooms , lower = baselevels . get ( "lower" , "nearest" ) , higher = baselevels . get ( "higher" , "nearest" ) , tile_pyramid = BufferedTilePyramid ( self . output_pyramid . grid , pixelbuffer = self . output_pyramid . pixelbuffer , metatiling = self . process_pyramid . metatiling ) )
Optional baselevels configuration.

        baselevels:
            min: <zoom>
            max: <zoom>
            lower: <resampling method>
            higher: <resampling method>
Optional baselevels configuration .