| -randomviews | Replace views with random orientations. |
| -helical | Replace views with random orientations for a helix. |
| -symmetry C5 | Replace views with random symmetry-related orientations. |
| -origins 1.4 | Introduce random errors into origins with this standard deviation (pixels). |
| -views 3.1 | Introduce random errors into views with this standard deviation (degrees). |
| -defocus 0.3 | Introduce random errors into defocus with this standard deviation (um). |
| -magnification 0.1 | Introduce random errors into magnifications with this standard deviation (fraction). |
| -setasu C5 | Set the views to the asymmetric unit (must agree with -symmetry if used). |
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