void Rast3d_set_null_value(void *, int, int)
Fills the vector pointed to by c with nofElts NULL-values of type.
void Rast3d_set_null_tile(RASTER3D_Map *map, void *tile)
Is equivalent to Rast3d_set_null_tile_type (map, tile, Rast3d_file_type_map (map)).
void Rast3d_set_null_tile_type(RASTER3D_Map *map, void *tile, int type)
Assumes that tile is a tile with the same dimensions as the tiles of map. Fills tile with NULL-values...