[vtkusers] vtkPlaneSource

[lisa hughes]

Hello,
I have created a vtkPlaneSource object and want to access the quad cells 
created by the plane source
But first i need to know the number of cells created
Isnt this just the XResolution times YResolution?? so in my case I should 
get 900 cells?  But the following code outputs 0 cells!! what is wrong with 
what im' doing?  Thanks,
Lisa

vtkPlaneSource *ColorBlock = vtkPlaneSource::New();
ColorBlock->SetOrigin(0,0,0);
ColorBlock->SetPoint1(5,0.5,0);
ColorBlock->SetPoint2(0,5,0);
ColorBlock->SetResolution(30,30);
ColorBlock->SetNormal(0,1,0);


vtkPolyData *SetOfQuadCells = vtkPolyData::New();
SetOfQuadCells = ColorBlock->GetOutput();
cout<<SetOfQuadCells->GetNumberOfCells();

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