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From: jon@amdahl.UUCP (Jonathan Leech)
Newsgroups: net.unix-wizards
Subject: Re: looking for a simple 3-d program
Message-ID: <3536@amdahl.UUCP>
Date: Tue, 12-Aug-86 12:55:14 EDT
Article-I.D.: amdahl.3536
Posted: Tue Aug 12 12:55:14 1986
Date-Received: Wed, 13-Aug-86 01:31:12 EDT
References: <2941@brl-smoke.ARPA> <410@brl-sem.ARPA>
Followup-To: net.graphics
Organization: Amdahl Corp, Sunnyvale CA
Lines: 24

In article <410@brl-sem.ARPA>, gwyn@brl-sem.ARPA (Doug Gwyn ) writes:
> In article <2941@brl-smoke.ARPA> rkn@ORNL-MSR.arpa (Roger E. Stoller 576-7886) writes:
> >I am looking for a simple 3-d plotting routine along the lines of 'graph'.
> >Nothing fancy, just a program that will take ordered triples and generate
> >a file suitable for plot.  I don't need to be aable to rotate, alter the
> >perspective ...  Has anyone written such an item?
> 
> Something puzzles me about this request.
> "Graph" produces device-independent UNIX PLOT(4) data.
> UNIX PLOT(4) does not define 3-D graphic primitives,
> although they have been added at BRL.
> 
> What would your 3-D equivalent of "graph" DO without
> 3-D primitives?  How would you view them if you had them?
> (At BRL, we have one 3-D PLOT(4) device, and I'm planning
> on producing a DMD 3-D interactive viewer "soon".)

    Presumably one could specify the viewing parameters, or use a default
set chosen from the data, and the 3-d graph program would then generate
a 2-d projection for feeding to conventional plot filters.

    -- Jon Leech (...seismo!amdahl!jon)
    UTS Products / Amdahl Corporation
    __@/