[vtkusers] triangle mesh visualization

[Mathieu Malaterre]

Julien,


Use two actors:

   extract = vtk.vtkExtractEdges()
   extract.SetInput(foo.GetOutput())

   aTetraMapper = vtk.vtkDataSetMapper()
   aTetraMapper.SetInput (extract.GetOutput())
   aTetraMapper.ScalarVisibilityOff ()
   aTetraMapper.SetResolveCoincidentTopologyToPolygonOffset()

   aTetraMapper2 = vtk.vtkDataSetMapper()
   aTetraMapper2.SetInput (foo.GetOutput())
   aTetraMapper2.ScalarVisibilityOff ()

   aTetraActor = vtk.vtkActor();
   aTetraActor.SetMapper (aTetraMapper)

   aTetraActor2 = vtk.vtkActor();
   aTetraActor2.SetMapper (aTetraMapper2)


ScalarVisibilityOff is usefull if you want to control the contrast 
edge/surface more than the actual scalar value.
SetResolveCoincidentTopologyToPolygonOffset to avoid the dashed lines.

HTH
Mathieu

Julien Mercenier wrote:
> Hi everybody,
>  
> I have to visualize a triangle mesh in 3D.
> I managed in  visualizing it with its wires or surfaces.
>  
> But, when using
>         SetRepresentationToWireframe() --> the wires from behin can be seen
>         SetRepresentationToSurface() --> the edges aren't visible enough
>  
> I'd like to visualize the triangle mesh but with edges in black and 
> sufficiently visible.
> But I'd like not to see the edges (wires) from behind. 
> An example would be a white opaque surface with well visible wires in black.
>  
> Can someone help me ?
>  
> Best regards,
>                
>             Julien
>