Separate Image

Source

Which part of the image should be separated.

What to do with the alpha channel. All Krita images have an alpha channel, which is the transparency. How should it be handled when separating?

Downscale to 8bit before separating.

Convert the image to 8bit before doing the separation.

Output to color, not grayscale.

This results in the Red separation using black to red instead of black to white. This can make it easier to recombine using certain methods.

Activate the current channel

If the separated layers are in color, activate only the channel that was the origin of this separation layer.