| -h | Prints usage information. |
| -v | Verbose operation. |
| -a | Viewing angles in degrees, defined (0.0, 0.0,0.0). |
| -b | Bibfile defining the view parameters e.g. from MAPaint or warp input I/O. Override all other parameter input. |
| -f | Fixed point position, default (0,0,0). |
| -d | Distance parameter, default 0.0. |
| -m | Viewing mode, possible values:
| Parameter value | Viewing mode |
| "up-is-up" | up-is-up, default |
| "statue" | statue |
| "absolute" | absolute |
|
| -u | Up vector for up-is-up mode, default (0, 0, -1). |
| -D | Command line viewing angles are degrees and not radians. |