On Tuesday 16 December 2003 21:44, Patrick McFarland wrote: > > I tried PS to see how it handles Alpha. I became quite > > frustrated. Once I deleted a part of the image and saved and > > reloaded it, I found *no* way of increasing the opacity of > > partially transparent pixels, not to mention totally transparent > > ones, except by painting. All adjustment tools had RGB but no A. > > Maybe it's just that I'm missing something because I'm not > > experienced with it but now I think that PS is not my kind of > > program. > > GIMP is exactly the same way. I have no way of doing alpha only > operations, except when hacking up the transparency mask. My > suggestion above would fix this. Colors are RGB, and Alpha is > altered through the transparency mask. Curves Tool, It is the alpha manipulation per excellence, IMO.
