Columns, number of in raster grid	RasterModelGrid.number_of_node_columns (property)
Nodes, number of in grid	ModelGrid.number_of_nodes (property)
Nodes, spacing in raster grid	RasterModelGrid.dx (property)
Rows, number of in raster grid	RasterModelGrid.number_of_node_rows (property)
Spacing, of nodes in raster grid	RasterModelGrid.dx (property)