PyNGL object routines
| Ngl.add_annotation | Adds an annotation to a given plot. |
| Ngl.destroy | Destroys an Ngl object. |
| Ngl.draw | Draws an Ngl plot object. |
| Ngl.get_workspace_id | Returns a reference to the current Workspace object. |
| Ngl.maximize_plot | Maximizes the size of the given plot on the workstation. |
| Ngl.overlay | Overlays one plot onto another. |
| Ngl.remove_annotation | Removes an annotation from the given plot. |
| Ngl.remove_overlay | Removes an overlaid plot from the given plot. |
| Ngl.set_values | Sets resource values for a specified plot object. |