Logic Op Node
 
 
 

The Logic Op node accepts a front, back, and matte clip. The Logic Op box lists the logical operations that you can perform on the front clip. The Logic Op node menu is similar to the Logic Ops command in the Processing menu.

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See Using Logical Operations.

The Logic Op node processes missing media in clips set to No Media based on the input tab it is connected to.

Input Result
Front No media
Back Black frames
Matte White frames