add_subsamples (
        self,
        grid_data,
        cell_size,
        )

It is the caller's responsibility to verify that the passed in subsampled data has a matching set of components and a valid subsampling size.

read_matrix (
        self,
        ijk_origin=None,
        ijk_size=None,
        ijk_step=None,
        progress=None,
        )

matrix (
        self,
        ijk_origin=None,
        ijk_size=None,
        ijk_step=None,
        progress=None,
        from_cache_only=None,
        subsampling=None,
        )

__init__ ( self,  primary_grid_data )

clear_cache ( self )