User Manual

Table Of Contents
Contents
Channels in Fusion 1384
Types of Channels Supported by Fusion 1384
Fusion Node Connections Carry Multiple Channels 1385
Node Inputs and Outputs 1385
Node Colors Tell You Which Nodes Go Together 1389
Using Channels in a Composition 1391
Channel Limiting 1392
Adding Alpha Channels 1393
How Channels Propagate During Compositing 1394
Rearranging or Combining Channels 1394
Understanding Premultiplication 1395
The Rules of Premultiplication 1396
How Do You Know You’ve Made a Premultiplication Mistake? 1396
Setting the Premultiplied Status of Nodes That Need It 1397
Nodes That Aect Premultiplication 1397
Control Premultiplication with Alpha Divide and Alpha Multiply 1397
Understanding Auxiliary Channels 1398
Image Formats That Support Auxiliary Channels 1398
Creating Auxiliary Channels in Fusion 1399
Auxiliary Channels Explained 1399
Propagating Auxiliary Channels 1404
Viewing Auxiliary Channels 1404
Chapter – 69 Understanding Image Channels 1382