Article View: comp.sys.sgi.graphics
Article #135Re: Orthographic Proj + PolarView
From: Terran Boylan
Date: Tue, 26 Jan 1993 01:34
Date: Tue, 26 Jan 1993 01:34
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In article <REZNIK.93Jan25154256@robios2.me.wisc.edu>, reznik@robios.me.wisc.edu (Dan S Reznik) writes:
> I am having difficulties making anything appear on the screen when I
> combine ortho() with polarview(). if instead of ortho() I use
> perspective() everything works fine. Specifically, I am trying to view
> a cubical array of voxel centered around (0,0,0). For that I do
>
> ortho(-A, A, -A, A, -A, A); /* A is bigger than the volume's radius */
^^^^^
You need to swap these two. Yeah, I lost a good 4-5 hours one night on this one.
Read the man page for an explanation.
---
Terran J. Boylan, Sr. Artist/Programmer | "It's better to have loved
Engineering Animation, Inc., Ames, IA | and lost than just to have
(515) 296-9908 / (515) 296-7934 (> 5PM) | lost." -- Dorky Dog
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Newsgroups: comp.sys.sgi.graphics Path: arc1-ca.pugleaf.net!sparky!uunet!cs.utexas.edu!sdd.hp.com!ux1.cso.uiuc.edu!news.iastate.edu!pi.eai.iastate.edu!boylan From: boylan@pi.eai.iastate.edu (Terran Boylan) Subject: Re: Orthographic Proj + PolarView Message-ID: <C1Ftp9.LsH@news.iastate.edu> Sender: news@news.iastate.edu (USENET News System) Organization: Engineering Animation, Inc. References: <REZNIK.93Jan25154256@robios2.me.wisc.edu> Date: Tue, 26 Jan 1993 01:34:18 GMT Lines: 15