[vtkusers] triangle mesh convertion

[paws]

Hi all!

I use Point Cloud Library to filter point clouds and mesh filtered
sub-clouds. Now I'm going to copy triangle mesh, which I received from PCL,
to vtkPolyData object. Than I could decimate my mesh using one of VTK
filters.

But I don't know how to create vtkPolyData triangle mesh from my dataset.

PCL triangle mesh is a vector of arrays of triangle vertices. I mean, I have
3 vertex coordinates of every triangle.

How to copy this structure to vtkPolyData?

I read these examples:
http://www.itk.org/Wiki/VTK/Examples/Cxx/GeometricObjects/Triangle
http://www.itk.org/Wiki/VTK/Examples/Cxx/PolyData/TriangleArea

But it seems, that triangles in vtkPolyData have to be conected each other
(have common vertices)...

Enyone could help me?

Thank you in advance,
paws



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