[Paraview] How to get the vtkPolyData from ParaView representations?

[Alexis Chan]

 Hi

How do I get the vtkPolyData from a ParaView representation that is created
by pqObjectBuilder?


For example if I click on the  "Create Source" button, in ParaView, I can
modify the position property of that source in my plugin using the following
code:

      pqDataRepresentation *data =
pqApplicationCore::instance()->getServerManagerModel()
->getItemAtIndex<pqDataRepresentation*>(0);
        vtkSMRepresentationProxy *repProxy =
vtkSMRepresentationProxy::SafeDownCast(data->getProxy());
        vtkSMPropertyHelper(repProxy,"Position").Set(newPosition,3);


I would like to be able to get the vtkPolyData if possible because I'm
trying to use Goodwin Lawlor's  vtkCollisionDetectionFilter.h

Thanks.


-- 
Regards,
Alexis
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