User guide

Chapter 12 Using Shapes and Masks 875
• Feather: A slider that allows you to adjust edge translucence. Lower values reduce
the amount of translucence in a matte, but this results in harder edges around holes
and edges in the alpha channel.
Keyed original object (color channel) Keyed object with holes (alpha channel)
Keyed object with Matte Choker
(color channel)
The Matte Choker eliminates the holes
(alpha channel).
01112.book Page 875 Sunday, March 13, 2005 10:36 PM