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The Logic Op node accepts a front, back, and matte clip.
- Logical Operations box
Select the logical operation you want to use to combine the source images.
- Swap Inputs button
Enable to switch the ordering of the Front and Back inputs.
- Transparency field
Displays the percentage of the back clip that is used in the operation.
- Clamp Render box
Select a clamping option for colour and luminance values on output in the 16-bit floating point processing pipeline.
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 |
See Using Logical Operations.