On Tuesday 29 July 2003 1:25 am, Patrick McFarland wrote: > On 28-Jul-2003, Joao S. O. Bueno wrote: > > It will be doable by typing: > > ED = E1 + E2 -0.5; > > > > as the custom layer mode. (E stands for "every channel". A is > > already used for alpha - I myself dislike the "every", and will > > accept other suggestions) > > > > The advantadges? Even the above formula throws information away - > > it kees a better average than ADD layer mode. With the custom > > layer mode, you willbe able to adjust the cnstante factor for > > every layer on every image. > > Thus if it is too light, with large white only areas, one will > > just have to edit the layer mode expression from the above to: > > I have no issues with E. It might also be nice to have YUV > (independant of the image's mode). I have implemented R G B, H S V, and A besides E. BTW, E doesn't affect the alpha channel - as the majority o f the fixed combination modes do not.
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