Make Persp Frust arguments

New Message Reply Date view Thread view Subject view Author view

Gullen Jim (Jim.Gullen++at++mtv.gtegsc.com)
Mon, 28 Oct 1996 08:37:00 -0800

Fellow performers,
This reply went to James Gambill at SGI TAC

Thanks much for the follow-up. I managed to fix my problem, but did not
call
you back or cancel.
FYI,
For mathematicians like me, it is nowhere documented that the left,
right,
bottom, top frustum values in Performer pfMakePersp... are all
multiplied
by "near", i.e. "near*tan(angle)". I had thought they were "tan(angle)"
values as pioneered by my mentors at General Electric Simulation in
Daytona Beach.

'Nuf said.
Jim Gullen
=======================================================================
List Archives, FAQ, FTP: http://www.sgi.com/Technology/Performer/
            Submissions: info-performer++at++sgi.com
        Admin. requests: info-performer-request++at++sgi.com

New Message Reply Date view Thread view Subject view Author view

This archive was generated by hypermail 2.0b2 on Mon Aug 10 1998 - 17:53:49 PDT

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