[vtkusers] vtkUnstructuredGrid coloring by PointData

[Dominik Szczerba]

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You have to use something like

dataset->GetPointData()->SetActiveScalars(scalarName.c_str());
mapper->SetScalarVisibility(1);
mapper->SetScalarModeToUseCellFieldData();

- -- Dominik

Luke J West wrote:
> Hi,
> 
> I have a vtkUnstructuredGrid that contains a number of named PointData fields
> 
> but no matter what I try, it always comes out a uniform colour.
> 
> How do I select the pointdata field to display, please?
> 
> I'm using Grid->SelectColorArray("Temperature") and Mapper->SetScalarRange(...)
> 
> Maybe someone has a snippet I can crib?
> 
> Thanks,
> 
> Luke
> 
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- --
Dominik Szczerba, Ph.D.
Computer Vision Lab CH-8092 Zurich
http://www.vision.ee.ethz.ch/~domi
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