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<DIV><FONT face=Arial size=2>Hello</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>I'm working with an imported DEM (not .dem,
but imported with a "homemade" importer);</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>1. I'm trying to export a scene containing a
lookuptable in </FONT></DIV>
<DIV><FONT face=Arial size=2>VRML.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>I set the vrml input to the render window. But
</FONT><FONT face=Arial size=2>When I export </FONT></DIV>
<DIV><FONT face=Arial size=2>the scene, the colors are messed up and
only</FONT></DIV>
<DIV><FONT face=Arial size=2>first and last colors are used. Visually, it is as
if the gradient </FONT></DIV>
<DIV><FONT face=Arial size=2>lookup table that I have became a 2 colors
lookup table, </FONT></DIV>
<DIV><FONT face=Arial size=2>each color taking first or last half of the
colormap size (256 </FONT></DIV>
<DIV><FONT face=Arial size=2>colors).</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>This change is visible in the current renderer and
in the </FONT></DIV>
<DIV><FONT face=Arial size=2>VRML exported file.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>I add that if I don't try to export the file with
</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>vtkVRMLExporter *vrmlExport =
vtkVRMLExporter::New();<BR> vrmlExport->SetFileName("test.wrl");<BR> vrmlExport->SetRenderWindow(renWin);<BR> vrmlExport->Write();</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>everything displays with gradient
colors.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>2. When I use an elevationFilter, the effect is the
same</FONT></DIV>
<DIV><FONT face=Arial size=2>(colors loss), </FONT><FONT face=Arial size=2>and
</FONT><FONT face=Arial size=2>points below 0 are not computed, so</FONT></DIV>
<DIV><FONT face=Arial size=2>the sea appears as </FONT><FONT face=Arial size=2>a
plane, instead of the negative</FONT></DIV>
<DIV><FONT face=Arial size=2>heights that I expect. (the scalar range being
fixed</FONT></DIV>
<DIV><FONT face=Arial size=2>between -3000 and 3000).</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Does anybody has any clue about how to fix this
?</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Thanks in advance </FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Sebastien MARAUX</FONT></DIV></BODY></HTML>