| -verbose 7 | Verbosity of output. |
| -datatype u | Force writing of a new image data type. |
| -origin 0,0,0 | Origin placement within image (default 0,0,0). |
| -size 10,10,10 | Map size, input map size otherwise (voxels). |
| -sampling 1 | Sampling (default 1 angstrom/voxel). |
| -resolution 3 | Resolution (default 2 angstrom, only simple gaussian expansion). |
| -wrap | Wrap around periodic boundaries (default off). |
| -Bfactor 30 | Global B-factor (default 0 angstrom squared). |
| -symmetry 1 | Space group (default 1). |
| -unitcell | 50,50,50,90,90,90 Unit cell parameters (angstrom & degrees). |
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