'mirror' transformation in view matrix

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Joao Miguel Leitao (jml++at++diana.inescn.pt)
Fri, 14 Feb 97 10:46:20 GMT

Hi

I am using Performer 2 on Re2 Onyx.
I would like to add a second viewport to my visual simulation
with a mirroed image of the same scene.
Is it possible to define a second pfChannel with a viewing matrix
so that I get the mirror image ?
I heard that the viewing matrix must be orthonormal, so
I beleave I can not use Scale(1,-1,1) or any thing similar.
What about other ways ?

Thanks
Miguel
----------------------------------------------------------------------------
Miguel Leitao INESC, ComputerGraphics&CAD
jml++at++diana.inescn.pt Praca da Republica Phone: +351 2 2094229
                        4000 PORTO, PORTUGAL Fax: +351 2 2084172

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