Problem with Normals

From: Mark Gill (Mark.Gill++at++usm.edu)
Date: 08/28/2000 08:01:27

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Greetings,

Sorry for what must be a very simplistic question. I'm trying to develop a
terrain visualization in Perfromer, from landscapes that I create in
Lightwave. I 'm exporting the mesh to .dxf and them to inventory using
DxfToIv on the SGI. So far so good. Ivview can see the mesh fine. When I
load it into Performer (perfly, simple.c whatever) I see the mesh, but the
normal of every single polygon is flipped.

What can I do to remidy this? Is there something I can add to the scene to
restore the polygon normals -- perhaps when i invoke Pfloader?

Mark Gill Visualization Researcher
CHL Stennis Space Center
Mark.Gill++at++usm.edu
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