| -images | Interpret slices of a single 3D image as 2D images. |
| -invert | Invert density in the image. |
| -reslice -z+xy | Reslice = switch axes (default xyz). |
| -select 1,5-13,122 | Sub-images to select (first image = 0, default all). |
| -verbose 7 | Verbosity of output. |
| -datatype u | Force writing of a new data type. |
| -first 5 | Number given to the first file (default 0). |
| -digits 3 | Number of digits inserted before the last period in the output file name. |