Re: plot3d module

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Article #73

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#73

From: Roy Hashimoto
Date: Fri, 11 Sep 1992 16:40

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In article <82511@bcsaic.boeing.com> ekirby@buckeye.boeing.com (Elizabeth Kirby) writes:
>	I'm trying to display data using the plot3d module and
>am getting no results.   I`ve tried it on the data supplied with
>explorer (in the $EXPLORERHOME/data/plot3d directory) as well as 
>with my own data.   I'm hooking it into a network which consists
>of 
>
> [ basic VolumeToGeom map deleted ]
>
>	Does anyone know why I'm not getting any picture?

The common reason no picture is shown with VolumeToGeom is that alpha
(opacity) values less than 1 are not provided in the colormap.  There
should really be a single large splat representing the whole volume in
this case.

Play with the alpha mapping in GenerateColormap, and something should
show up for you.

Roy Hashimoto
hashimoto@sgi.com

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Path: arc1-ca.pugleaf.net!sparky!uunet!dtix!darwin.sura.net!spool.mu.edu!yale.edu!jvnc.net!rutgers!sgigate!odin!fido!hashimoto
From: hashimoto@sgi.com (Roy Hashimoto)
Newsgroups: comp.graphics.explorer
Subject: Re: plot3d module
Message-ID: <pnia5rg@fido.asd.sgi.com>
Date: 11 Sep 92 16:40:42 GMT
References: <82511@bcsaic.boeing.com>
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Organization: Silicon Graphics, Inc.
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