Re: [info-performer] makePersp and non-vertical Screen

From: David Geldreich (David.Geldreich++at++sophia.inria.fr)
Date: 06/12/2002 01:51:40

• Next message: David Geldreich: "[info-performer] Mixing OpenGL and Performer"
• Previous message: Dorosky, Christopher G: "[info-performer] Bounding with switches, and pfGetCullResult"
• In reply to: David Geldreich: "[info-performer] makePersp and non-vertical Screen"

    Hello all,

    FYI, I found the answer to this question. I just need to pass to pfChannel::makePersp the
projection of the screen in the near plane. But with the nearplane parallel to the plane of the
screen and here it is. It works perfectly.

    This near plane orientation problem was missing from the documentation.

    My 2 cents.

David Geldreich wrote:
> I am using a Barco Baron table (which is tiltable) and I have implemented head tracking in my
> application (using Polhemus Fastrak device).
>
> I was wondering how to take into account the fact that projection screen is not perpendicular to
> the viewing direction. My coordinate system is defined to have the origin at the center of screen
> and -Y normal to the screen.

• Next message: David Geldreich: "[info-performer] Mixing OpenGL and Performer"
• Previous message: Dorosky, Christopher G: "[info-performer] Bounding with switches, and pfGetCullResult"
• In reply to: David Geldreich: "[info-performer] makePersp and non-vertical Screen"

This archive was generated by hypermail 2b29 : Wed Jun 12 2002 - 01:51:47 PDT

This message has been cleansed for anti-spam protection. Replace '++at++' in any mail addresses with the '@' symbol.