[vtk-developers] Unexpected behaviour of vtkTransformFilter

[Bill Lorensen]

>From the documentation:
// vtkTransformFilter is a filter to transform point coordinates, and
// associated point normals and vectors. Other point data is passed
// through the filter.


On Thu, Aug 7, 2014 at 5:03 AM, Markus Fuger <markus.fuger at outlook.com> wrote:
> Hello,
>
> I am not entirely sure if I found a bug - but at least it is a behavior I
> did not expect like that.
> I do have a vtkUnstructuredGrid object with a 3 component vector as point
> data.
> If I apply the vtkTransformFilter with a scaling of - let's say 1000 - in
> each direction. not only the coordinates get scaled but as well the values
> within the point data array. Due to the fact, that this data could be a
> physical value or whatsoever I believe that this is a bug. (I am using
> vtk6.2 from July 22nd 2014)
>
> I could repeat this problem as well in the latest release version of
> ParaView (4.1).
>
> Could perhaps one of the vtk-developers confirm that this is a bug or that
> this behavior is wanted - because I will then need to change my code.
>
> With kind regards,
> Markus
>
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