5.5.4 Difference

The syntax of a difference is:
DIFFERENCE:
  difference { SOLID_OBJECT ... SOLID_OBJECT 
    [DIFFERENCE_MODIFIERS] }

DIFFERENCE_MODIFIERS:
  [cutaway_textures] & [OBJECT_MODIFIERS]
See also:

Figure: Differences of spheres
Image /home/andreas/tex/Books/computer-graphics/img//obj-difference.png

Andreas Kriegl 2003-07-23