Transformations Inventor vs. Performer

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Guenter Schreiber (Guenter.Schreiber++at++dlr.de)
Tue, 22 Sep 1998 10:50:56 +0200

Hello Everybody,
I'm a Performer newbie, and did a lot of programming in Inventor.
Actually, while porting my application from Inventor to Performer,
I faced some transformation problems.
So my Questions are:
 - Do Inventor and Performer handle Transformations the same.
        That means, some vertex/ coordinate is transformed by
        numerical the same transformation to the same point.
        Or does Performer use the inverse/ transpose of a 4x4
        Matrix to Inventor?
 - Import of Inventor Geometries:
        Are the coordinates/ directions X/Y/Z still preserved,
        or are they changed while importing? As I observed,
        there was a rotation about some 90 Degree in the imported geometry.
         

Thanks in advance for any clue,

Günter

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