17.12.1 /CONTOUR

[DISPLAY\]SHOW Argument [FirstPlane [LastPlane]] /CONTOUR [Yes|No] [/DIRECTORY NameTree] [/SIDE]

When showing 2-D images or 3-D cubes, force (argument YES, by default) or forbid (argument NO) contouring, independently of the DO_CONTOUR variable setup. The /CONTOUR option is incompatible with the /OVERLAY one.