The Channel Dialog section.
command saves the selection as a channel. The channel can then be used as a channel selection mask. You can find more information about them in theYou will find a simple example how to use this command in the introduction of Section 16, “Alpha to Logo Filters”. It shows how to convert a selection to an alpha channel so that you can apply an alpha to logo filter to this selection.
You can access this command from the image menubar through
→ .You can also access it from the Selection Editor.