The Channel Extract tool lets you to remove a channel from an image. You can remove the red, green, blue, or alpha channel.
To extract a channel from an image:
- Drag the Extract tool from the Channel folder on the Tools tab onto the dependency graph in the Schematic view.
- Click the channel list button and select the channel you want to extract from the image.
NoteThe Channel Extract tool has a masking input—see
Pixel Masking.