On Wed, Dec 21, 2011 at 11:22 AM, gespert...@gmail.com <gespert...@gmail.com> wrote: > uh, oh! Luminescent premul doesn't seem to be possible in Blender either. > The alpha-over node seems to be skipping pixels with alpha=0 from the > second operator. > http://ubuntuone.com/4vtqL5bN74wMfsBbl9QkMZ > > Troy is investigating the problem and promised a patch for the end of > the day. :-p
Bug report: http://projects.blender.org/tracker/index.php?func=detail&aid=29675&group_id=9&atid=498 Patch: http://projects.blender.org/tracker/index.php?func=detail&aid=29676&group_id=9&atid=127 It should be noted that Blender generates negative alpha values using the internal renderer according to Guillermo's demonstration file as a result of antialiasing procedures, so a Colorramp node was added to clamp the rendering alpha output. With respect, TJS _______________________________________________ Bf-committers mailing list Bf-committers@blender.org http://lists.blender.org/mailman/listinfo/bf-committers
