Graphics Programs Reference
In-Depth Information
Now that you've pinpointed where the white rim ends and the black tire begins,
you'll use this ramp as a transparency texture to place the Tire shader on top of the
Rim shader in a Layered shader that you'll create later.
Figure 7.49
Move the
blue handle.
Figure 7.50
Setting the tire loca-
tion using a ramp
