Is this what you are asking?<br><br>vtkMapper.h<br><br> // Description:<br> // Set/Get a global flag that controls whether coincident topology (e.g., a<br> // line on top of a polygon) is shifted to avoid z-buffer resolution (and
<br> // hence rendering problems). If not off, there are two methods to choose<br> // from. PolygonOffset uses graphics systems calls to shift polygons, but<br> // does not distinguish vertices and lines from one another. ShiftZBuffer
<br> // remaps the z-buffer to distinguish vertices, lines, and polygons, but<br> // does not always produce acceptable results. If you use the ShiftZBuffer<br> // approach, you may also want to set the ResolveCoincidentTopologyZShift
<br> // value. (Note: not all mappers/graphics systems implement this <br> // functionality.)<br> static void SetResolveCoincidentTopology(int val);<br> static int GetResolveCoincidentTopology();<br> static void SetResolveCoincidentTopologyToDefault();
<br> static void SetResolveCoincidentTopologyToOff() <br> {SetResolveCoincidentTopology(VTK_RESOLVE_OFF);}<br> static void SetResolveCoincidentTopologyToPolygonOffset() <br> {SetResolveCoincidentTopology(VTK_RESOLVE_POLYGON_OFFSET);}
<br> static void SetResolveCoincidentTopologyToShiftZBuffer() <br> {SetResolveCoincidentTopology(VTK_RESOLVE_SHIFT_ZBUFFER);}<br><br><br><div><span class="gmail_quote">On 12/6/05, <b class="gmail_sendername">Dominik Szczerba
</b> <<a href="mailto:domi@vision.ee.ethz.ch">domi@vision.ee.ethz.ch</a>> wrote:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
Thanks a lot, yes, still however it is far from what I used to get with<br>my own small codes, but that might be an issue for VTK mailing list<br>instead. Still, it looks a bit like a dead-end to me (where to put it?).<br>
bye<br>Dominik<br><br>Wylie, Brian wrote:<br>> Okay I know this is a not a 'solution' but for a quick fix set the line<br>> width to '2' instead of '1'. It will look much better. :)<br>><br>> Brian Wylie - Org 9227
<br>> Sandia National Laboratories<br>> MS 0822 - Building 880/A1-J<br>> (505)844-2238 FAX(505)845-0833<br>> ____ _ __<br>> / __ \____ _________ | | / (_)__ _ __
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<br>><br>><br>><br>>>-----Original Message-----<br>>>From: paraview-bounces+bnwylie=<a href="mailto:sandia.gov@paraview.org">sandia.gov@paraview.org</a><br>>>[mailto:<a href="mailto:paraview-bounces+bnwylie=sandia.gov@paraview.org">
paraview-bounces+bnwylie=sandia.gov@paraview.org</a>] On<br>>>Behalf Of Dominik Szczerba<br>>>Sent: Tuesday, December 06, 2005 9:26 AM<br>>>To: <a href="mailto:paraview@paraview.org">paraview@paraview.org
</a><br>>>Subject: [Paraview] polygon offset<br>>><br>>>Hello,<br>>>Does Paraview support OpenGL polygon offset extension? If I<br>>>try to visualize e.g. a tet mesh with edges (extract edges,
<br>>>shrink tets) the result looks very bad. Does VTK offer it at<br>>>all? Is it at all possible using the VTK's filter philosophy?<br>>>regards,<br>>>Dominik<br>>>--<br>>>Dominik Szczerba, Dr.
<br>>>ETZ C110 CO-ME/BIWI CH-8092 Zurich<br>>><a href="http://www.vision.ee.ethz.ch/~domi">http://www.vision.ee.ethz.ch/~domi</a><br>>>_______________________________________________<br>>>ParaView mailing list
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<br>><br><br>--<br>Dominik Szczerba, Dr.<br>Computer Vision Lab CH-8092 Zurich<br><a href="http://www.vision.ee.ethz.ch/~domi">http://www.vision.ee.ethz.ch/~domi</a><br>_______________________________________________<br>
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