| -create 20,60,30 | Create a new image of this size (pixels/voxels). |
| Note: No input image is read and the first file name is taken as the output image. |
| -rescale -0.1,5.2 | Rescale data to average and standard deviation. |
| -box 0,3,44,50,30,44 | Start (lower-left-back voxel) and size of box to fill (voxels). |
| -sphere 22,5,39,120 | Center and radius from center of sphere to fill (voxels). |
| -cylinder 41,76,9,12,23 | Center, radius and height of cylinder to fill (voxels). |
| -delete -3.5,2.89 | Delete a range of voxel values. |
| -gradient | Correct for the linear gradient in an image. |
| -tetrahedron 9,-3,4,... | Extract a tetrahedron defined by four sets of 3-valued vectors. |
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