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

[David E DeMarle]

Instead of
warp.Vectors = ['POINTS', 'Total_displacement']
try
warp.SetInputArraysToProcess(0,0,0,"vtkDataObject::FIELD_ASSOCIATION_POINTS",
"Total_displacement")


David E DeMarle
Kitware, Inc.
R&D Engineer
21 Corporate Drive
Clifton Park, NY 12065-8662
Phone: 518-881-4909


On Tue, May 13, 2014 at 12:42 PM, Fabio Canesin <fabio.canesin at gmail.com>wrote:

> 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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