Graphics Programs Reference
In-Depth Information
Figure 22-13:
Grip-editing a pyramid.
Boolean operations
As I mention in the “Drawing solid primitives” section earlier in
this chapter, you can join 3D solids by using the UNION command to create a new 3D
solid. You can also subtract volume from a 3D solid by using another intersecting 3D sol-
id to determine what should be removed with the SUBTRACT command. The
INTERSECT command can be used to calculate a new 3D solid based on the intersecting
of two or more 3D solids. See Figure 22-14 for examples. You can find these three com-
mands on the Boolean panel of the Solid tab.
Figure 22-14:
Solid primitives on the left, and the result from UNION, SUBTRACT, and INTERSECT com-
mands.
