GL lines in performer

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ipandzic++at++cui.unige.ch
Tue, 19 Sep 1995 10:56:48 +0200

Hello,

I am trying to draw some simple GL lines (bgnline - v3f - endline) in a
Performer node's draw traversal function. These lines are sort of markers
so I don't want them to be influenced by light, i.e. I want them to have
an absolute color, defined by RGBcolor command. To do this I call
pfDisable(PFEN_LIGHTING) before, and pfEnable(PFEN_LIGHTING) after
drawing the lines. This works fine on a single processor machine like
Indigo or Indy, but
I get problems on the Onyx - the lines sometimes still don't
have the color I want, but get influenced by the light. I don't
seem to find on what it depends.

Does someone know a better way to draw simple GL lines with absolute color?

Thanks,
Igor

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