[Paraview] How to compare 2 vtk files using paraview?

[David E DeMarle]

I don't think we have a filter which does that yet. The statistics
filters might come close but I suspect they won't do exactly what you
want.

I recommend you write a two input python programmable filter which
compares the number of points and cells on its two inputs and then if
they match iterates over them and compares their attribute values
element by element.

This example from the wiki comes pretty close to what you want to do:
http://paraview.org/Wiki/Here_are_some_more_examples_of_simple_ParaView_3_python_filters.#Labeling_common_points_between_two_datasets_.28Filter.29

David E DeMarle
Kitware, Inc.
R&D Engineer
28 Corporate Drive
Clifton Park, NY 12065-8662
Phone: 518-371-3971 x109



On Thu, Mar 24, 2011 at 8:07 AM, chee chin tan
<cheechin98119 at hotmail.com> wrote:
> Hi,
>
>
>
> I have 2 vtk files where the nodes point is different for each vtk file.  Is
> there a way to compare the data point by point.
>
> I am particularly interested in finding the percentage difference between
> the 2 data.
>
> Thanks
>
>
>
> Best Regards
>
> Chee Chin
>
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