grids.py 文件源码

def chunk(self,chunks=None):
        """Rechunk all the variables defining the grid.

        Parameters
        ----------
        chunks : dict-like
            dictionnary of sizes of chunk along xarray dimensions.

        Example
        -------
        >>> xr_chunk = {'x':200,'y':200}
        >>> grd = generic_2d_grid(...)
        >>> grd.chunk(xr_chunk)

        """
        for dataname in self._arrays:
            data = self._arrays[dataname]
            if isinstance(data, xr.DataArray):
                self._arrays[dataname] = data.chunk(chunks)