| -h | Prints usage information. |
| -o | Output VTK polydata file name. |
| -b | Compute object boundary contours. |
| -f | Input file format. |
| -g | Compute maximal gradient contours. |
| -i | Compute iso-value contours. |
| -l | Flip orientation (normals will be reversed). |
| -F | Output file format. |
| -L | Use geometry filter. |
| -N | Allow non manifold vertices to be filtered. |
| -U | Use unit voxel size. |
| -m | Generate normals (if possible). |
| -n | Geometry filter itterations. |
| -p | Geometry filter low band value. |
| -s | Geometry filter stop band value. |
| -v | Contour iso-value or minimum gradient value. |
| -w | Contour (Deriche) gradient operator width. |