Hi, Jean-Christophe Dubacq <jean-christophe.dubacq@xxxxxxxxxxxx> writes: > As I do not think my former message reached gimp-users, I will try > there (it also seems more fit, and I am subscribed): > > Is there any way to directly edit the alpha layer of a layer. Layer > masks do only reduce the alpha, never increase it; and sometimes I > would like to somehow delete any opacity information in a layer, > without having to repaint all. So maybe there is a solution, but I > didn't find this (since editing a mask is not the answer)... In GIMP-1.3 this is as easy as deactivating all channels but alpha in the channels dialog. All paint/fill operations will only affect the alpha channel then. Sven