Re: Coordinate Systems

Jeremy Pronk ([email protected])
Wed, 24 May 1995 11:08:50 +1000 (EST)


On Mon, 22 May 1995, JueyChong Ong wrote:

> On May 22, 4:24pm, Help Chuck Kosta wrote:
> > Subject: RE: RE: Coordinate Systems
> > Although I just started getting the VRML mailings
> > this weekend, I've been working in graphics and graphics
> > standards since the early 80's.
> >
> > Stated as a consultant: You should formally adopt that Y is up,
> > and that XZ is the ground plane. This is really to support the
> > community of scientist, physicists, and other professionals that
> > have been modeling the world this way.
> >
>
> I tend to work in the coordinate system you mention. But in a recent
> conversation with someone who uses the Alias PowerAnimator software,
> he said that among Alias users, about half of them use the "Y is up"
> convention while the other half use the "Z is up" convention.

If you look at Autodesk Animators 3D Studio, Z and X are the
ground plane, while Y is up. I personnally think this is the best method,

BTW, what is the orientation in VRML :)?

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| Jeremy Pronk |
| Shock/RAPiD Coder/Organizer |
| [email protected] |