RE: RE: Coordinate Systems

Jeremy Pronk ([email protected])
Tue, 23 May 1995 10:57:17 +1000 (EST)


On Mon, 22 May 1995, Mei-Chu Cheung wrote:

> On Mon, 22 May 1995, Help Chuck Kosta wrote:
>
> > 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.
>
> Still it seems that the computer graphics people are being served rather
> than the scientist and physicist who are going to want to use this stuff
> when the power comes available. Many of the books and papers I have read
> by these types of people referring to advanced simulation and stuff have
> used a coordinate system with Z referring to elevation.

I have been coding 3d vector type graphics (for demos and
whatnot) for some time now. And I found that some people used Z as
elevation, although I did not. I prefer the Y as elevation and Z/X
as ground, as this is the method taught to me in maths and physics
classes.

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