[vtkusers] How to get grid result from vtkWarpVector ??

[Fabio Canesin]

Tried that, didn't work.. I'm thinking is something with SetInputArrayToProcess.

On Tue, May 13, 2014 at 1:30 PM, David E DeMarle
<dave.demarle at kitware.com> wrote:
>
> On Tue, May 13, 2014 at 12:06 PM, Fabio Canesin <fabio.canesin at gmail.com>
> wrote:
>>
>> Dear vtkusers,
>>
>> Can someone help in the usage of vtkWarpVector, I need to load the
>> deformed grid, this should be the result of applying vtkWarpVector in
>> the 'Total_displacement' field.
>>
>> I have tried:
>>
>> warp = vtk.vtkWarpVector()
>> warp.SetInputConnection(pregrid.GetProducerPort())
>> warp.Vectors = ['POINTS', 'Total_displacement']
>> warp.SetScaleFactor(1.0)
>> Extract = vtk.vtkExtractUnstructuredGrid()
>> Extract.SetInputConnection(warp.GetOutputPort())
>
>
> Are you missing an update here?
>> Extract.Update()
>
>>
>> deformed_grid = Extract.GetOutput()
>>
>> Where pregrid is a vtkUnstrcturedGrid with the 'Total_displacement' as
>> PointData. When I execute it I get the original mesh, without the
>> warping.
>>
>> Any help ??
>>
>> Best regards,
>> Fábio Canesin
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>