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List: vtk-developers
Subject: Re: [vtk-developers] vtkImageWeightedSum
From: Mathieu Malaterre <mathieu.malaterre () kitware ! com>
Date: 2006-04-27 21:36:55
Message-ID: 44513977.1030304 () kitware ! com
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> Changing vtkImageMathematics seems like the best solution but it is a
> lot of work. The one problem I can see is that the way
> vtkImageMathematics is written right now it has a big "switch" statement
> inside the innermost loop, this is an inefficient way of doing things.
> The performance will be less than the original vtkImageWeightedSum class.
That is completely true. The code was not meant for more than two
inputs. Too bad :(
> So if it was me doing the work, I would just move the class to VTK and
> convert it to the new pipeline.
Done. See
VTK/Imaging/vtkImageWeightedSum
Comments welcome,
Mathieu
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