2011

Table Of Contents
4 Select the component from image B that you want to add to the alpha
component from image A.
5 Blend the components until you are satisfied with the result.
NOTE The Set Alpha tool's Blend attribute is animatablesee Animation Concepts
on page 660.
Channel Processing Tools
You can modify the individual color channels of an image using channel
processing tools. These tools are in the Channel folder.
There are five channel processing tools:
Description:Tool:
Remove the red, blue, green, or alpha channel from an imagesee
Channel Extract Tool on page 362.
Channel Extract
Analyze the channels of an image based on a specified
thresholdssee Out of Range Tool on page 362.
Out of Range
Remap the channels in one image by those in another imagesee
Channel Replace Tool on page 363.
Channel Replace
Copy component values of an image to component values of an
output imagesee Channel Rewire Tool on page 364.
Channel Rewire
Channel Processing Tools | 361