Correlation function as follows:
| Functions or data type | description |
| Clear Equipment | Clear the screen. |
| Initialization Figure | Initialization drawing window. |
| Figure closure | Close the graphics window. |
| Get viewpoints | Gets the current scaling factor. |
| Setting sights | Set the current scaling factor. |
| graphdefaults | Restore the drawing window as the default value. |
| Setorigin | Set the coordinate origin. |
| setcliprgn | Set the current clipping region drawing device. |
| clearcliprgn | Clear the display cropping area. |
