[vtkusers] ZBuffer fighting pb

Mathieu Malaterre mathieu.malaterre at kitware.com
Fri Oct 27 08:51:36 EDT 2006


Salut Jerome,

	Could you please submit a bug report for that. Also include your small 
examples so that we can reproduce the issue:

	http://vtk.org/Bug

Thanks
Mathieu

John Platt wrote:
> I think you will find that these functions only work for lines (in VTK
> 4.2 at least).
> 
> John.
> 
> -----Original Message-----
> From: vtkusers-bounces+jcplatt=dsl.pipex.com at vtk.org
> [mailto:vtkusers-bounces+jcplatt=dsl.pipex.com at vtk.org] On Behalf Of
> Hummel, Jerome
> Sent: 26 October 2006 11:27
> To: vtkusers at vtk.org
> Subject: [vtkusers] ZBuffer fighting pb
> 
> 
> Hello all,
> 
> I have a rendering problem with coincident geometry due to zbuffer
> fighting. I
> tried using the setResolveCoincidentTopologyToShiftZBuffer function with
> different shift value but it does not help (default shift is .01 and
> changing it
> from .01 to .99 does not change anything, setting it to 1 result in a
> wrong
> zbuffer content). I then tried the other approach using a polygon offset
> (setResolveCoincidentTopologyToPolygonOffset) without success. My test
> is very
> simple, I modified the 2 cones examples so that the base of one
> overlapps with
> the base of the second one. As soon as there is an interaction I can see
> the pb.
> I am using VTK 5.0.1. Can anyone help ?
> Thanks in advance.
> 
> -Jerome
> _______________________________________________
> This is the private VTK discussion list. 
> Please keep messages on-topic. Check the FAQ at:
> http://www.vtk.org/Wiki/VTK_FAQ
> Follow this link to subscribe/unsubscribe:
> http://www.vtk.org/mailman/listinfo/vtkusers
> 
> 
> _______________________________________________
> This is the private VTK discussion list. 
> Please keep messages on-topic. Check the FAQ at: http://www.vtk.org/Wiki/VTK_FAQ
> Follow this link to subscribe/unsubscribe:
> http://www.vtk.org/mailman/listinfo/vtkusers
> 




More information about the vtkusers mailing list