[vtkusers] SetInputData migration VTK 6

[Laurent Chauvin]

Hello,

I created a pipeline with a vtkSplineFilter, with a polydata as input.
However, now that I try to make it compatible with VTK 6, it's not working
anymore.

I replaced SetInput by SetInputData, and I read that SetInputData doesn't
create the pipeline. That's probably why now, when I update my polydata,
it's not updating the spline.
But I was wondering then how should I do to keep creating the pipeline then
?

I read to use SetInputConnection, but I think SetInputConnection take as
argument the OutputPort of another filter, but the spline is the 'entry
point' of my pipeline, taking a polydata as input, and applying some
filters on it.

How could I do to update the pipeline when modifying the polydata ?

Thank you.
-Laurent

-- 
Laurent Chauvin, MS
Surgical Navigation and Robotics Laboratory, Radiology Department
Brigham And Women's Hospital, Harvard Medical School
http://wiki.ncigt.org/index.php/User:Lchauvin
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