[vtkusers] vtkCleanPolyData, merging points and weights on points

[sebastien MARAUX]

hello again, 

I have a group of lines representing trajectories, 
and I would like to simplify these ones by merging closest 
points to create simplified trajectories.

For example 10 parallels and near trajectories would give
one trajectory, middle of those ten, with coefficient ten in 
order to be able to create tubes with respect of number of 
trajectories involved.

How can I retrieve such coefficients after vtkCleanPolyData ?
or after another class if someone has an idea about that.

Seb
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