
| <3d model> | Input model |
| ang=<ang step> | Step in degrees between projections |
| [siderange=<angmax>] | Maximum azimuthal angle, defined by vertical subunit spacing and pitch |
| [tilt=<ang>] | Maximum axis tilt |
| [out=<outfile>] | Output filespec |
| [as1] | Set # particles to 1 in each projection image |