[vtkusers] Colouring

[Tim Hutton]

Just to clarify, vtkPowerCrustSurfaceReconstruction isn't part of the main 
VTK distribution but can be downloaded from:

http://www.eastman.ucl.ac.uk/~thutton/powercrust/

Please let me know of any problems with it.

Tim.

At 09:45 15/08/2002 -0400, you wrote:

>Javier,
>
>vtkSurfaceReconstructionFilter will surface structured points but the 
>surface is
>only as smooth as your point set. The recently introduced PowerCrust class can
>also surface points but I'm not sure if its part of vtk yet (search the 
>archives
>for more info). To smooth further try vtkSmoothPolyDataFilter or
>vtkWindowSincPolyDataFilter. You might also take a look at
>vtkPolyDataConnectivityFilter to extract regions of your surfacing if it is
>disconnected (inner from outer) so that you might color them
>differently.......john
>
>
>
>
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>From: "Javier Maicas Sebastian" <s011124 at student.dtu.dk>@public.kitware.com on
>08/15/2002 11:40 AM ZE2
> 
>
>                    "Javier Maicas 
> Sebastian"           To:   vtkusers at public.kitware.com
>  <s011124 at student.dtu.dk>@public.kitware.com           Cc:    (bcc: John 
> Anast-JM/PGI)
>                                                Subject:      [vtkusers] 
> Colouring
> 
>
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> by:  vtkusers-admin at public.kitware.com 
>
>                          08/15/2002 05:40 
> AM
> 
>
> 
>
>
>
>
>
>Hi all,
>
>I am working with the segmentation of the brain and I have extracted the
>inner and the outer surface. I want to show each surface with a different
>color. If I introduce the surface in a 3D matrix (a 3D image)  and I
>apply marching cubes to smooth the surface the results are very bad (the
>surface appears in pieces) because it expects a volume as input. So I
>build a volume (the cortex) and the marching cubes produces a nice
>surface, but the two surfaces at the same time and with the same color.
>
>How can I do it then? Is there in vtk a function that creates a smooth
>surface from points (similar to vtkLine for lines)?
>
>Regards
>Javier
>
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