John Collier (jcollier++at++mtl.com)
Wed, 18 Dec 1996 07:40:50 -0500
John
On Dec 17, 6:56am, Bryan Wasileski wrote:
> Subject: pfMaterial -Mario, Benedikt:
> Mario, Benedikt:
> Thanks for resonding.
> I did not quite explain my self adequately yesterday about the material
> types (or maybe I did and I don't under stand myself)...So let me
> try once more. I have several viewport (channels), 15 or more, all
> viewing into one scene. Within this scene, I have several aircraft. Each
> channel is assigned an aircraft as the "aircraft of interest" for that
> channel. It is possible that 3-4 channels may be assigned the same
> aircraf but viewed from a different perspectivet. Within each channel,
> the "aircraft of intereset" for that channel is to be rendered exactly as it
> should be; I would like all other aircraft within the same channel to be
> rendered completely black. The intent here is to used the black aircraft to
> stencil out portions of the aircraft of interest when appropriate.
> Currently, I have node a draw traversals in which I try to use the stencil
> plane to accomplish the same task. That has not yet yielded the result I
> was looking for. I figured I could change the material type and/or turn off
> the lighting for the aircraft which are not the "aircraft of interest" for
that
> channel in the node pre-draw and change it back to normal on the node
> post draw . That also did not seem to work either.
> I'm not completely sure how to use the Geostatetables, but my
> understanding was that it was on a per channel basis only. In this
> situation I need it on a node basis as well as a channel basis. So if your
> previous suggestions are still the ones to persue, let me know.
>
> Thanks again.
>
> - Bryan Wasileski
> McDonnell Douglas
> St. Louis, MO
>
>
> =======================================================================
> List Archives, FAQ, FTP: http://www.sgi.com/Technology/Performer/
> Submissions: info-performer++at++sgi.com
> Admin. requests: info-performer-request++at++sgi.com
>-- End of excerpt from Bryan Wasileski
--
John A. Collier e-mail: jcollier++at++mtl.com
MTL Systems, Inc. voice: (513) 426-3111
3481 Dayton-Xenia Rd. fax: (513) 426-8301
Dayton, OH 45432-2796
=======================================================================
List Archives, FAQ, FTP: http://www.sgi.com/Technology/Performer/
Submissions: info-performer++at++sgi.com
Admin. requests: info-performer-request++at++sgi.com
This archive was generated by hypermail 2.0b2 on Mon Aug 10 1998 - 17:54:11 PDT