| user action | applet reaction |
| drag and press left mouse button | rotate about an axis in the picture |
| release left mouse button while dragging | spin about an axis in the picture |
| press SHIFT key and drag vertically | zoom |
| press SHIFT key and drag horizontally | rotate about an axis perpendicular to the picture |
| press CONTROL key and drag vertically | change focal length |
| press CONTROL key and drag horizontally | change strength of stereo effect |
| press META (ALT) key (or right mouse button) and drag vertically | strip parts of the graphics |
| press o key | write parameter settings in the Java console |
| press s key | toggle between single and stereo views |
| press HOME key | restore original perspective (no spining) |