[vtk-developers] Re: significant slow-down (6x) ofvtkPiecewiseFunction::GetValue() with new pipeline

[Brad King]

Dean Inglis wrote:
> this is also the likely root of the slowdown seen with tests and
> examples using vtkSplineWidget, that I noted in a previous post:
> http://public.kitware.com/pipermail/vtk-developers/2004-October/002936.html
> 
> vtkSpline relies on vtkPiecewiseFunction for most of its work.
> Hopefully someone working on the new pipeline can sort this out soon....

You are correct, it is the root of the problem.  I have been aware of 
this problem for some time now.  It is on my new pipeline to-do list.  I 
will get to it when I can.

-Brad