[vtkusers] Polygon colouring

[Gib Bogle]

Great!  Thanks
Gib
________________________________
From: David Gobbi [david.gobbi at gmail.com]
Sent: Sunday, 19 October 2014 3:27 p.m.
To: Gib Bogle
Cc: vtkusers at vtk.org
Subject: Re: [vtkusers] Polygon colouring

polyData->GetCellData()->SetScalars(array);

On Sat, Oct 18, 2014 at 8:18 PM, Gib Bogle <g.bogle at auckland.ac.nz<mailto:g.bogle at auckland.ac.nz>> wrote:
I'm rendering a shape using vtkPolyData, i.e. as a collection of polygons.  Is there a way to colour each polygon separately?

polygonPolyData = vtkSmartPointer<vtkPolyData>::New();
polygonPolyData->SetPoints(points);
polygonPolyData->SetPolys(polygons);
hexmapper = vtkSmartPointer<vtkPolyDataMapper>::New();
hexmapper->SetInput(polygonPolyData);
hexactor = vtkSmartPointer<vtkActor>::New();
hexactor->SetMapper(hexmapper);

ren->AddActor(hexactor);

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