SYNOPSIS:
    FLAGS bitop

DESCRIPTION:
    Change the flags that influence rendering.
    Note, that interpretation of the flags depends on the active
    rendering engine. The following flags are defined:
    0x001 Symmetric palette (don't display differnt colors)
    0x002 Invert palette (swap front/backside colors)
    0x004 Show cutplane borders.
    0x008 No head up display (suppress overlay texts)
    0x010 Even less head up display
    0x020 Colorize (paint all visisble voxels. Dangerous!)
    0x040 Painttrail (paint all voxels under the camera path)
    0x080 No accel (don't use acceleration data)
    0x100 Invert (invert rendering thresholds)

SEE ALSO:
    bitops, RENDERER
