[vtkusers] vtkCubeSource to vtkPolyData

[tokalak at web.de]

 Hi all,
 
 I do the following to color all sides of a vtkCubeSource 
 differently. But i doesnt function.
 (prog-snippet in Java) :
 
  vtkCubeSource cSource = new vtkCubeSource();
  cSource.SetXLength(3);
  cSource.SetYLength(3);
  cSource.SetZLength(3);
  vtkPolyData cube = cSource.GetOutput();
  cube.BuildCells();
  System.out.println(cube.Print());
  cube.GetCellData().SetScalars(faceColors);
  vtkPolyDataMapper cubeMapper = new vtkPolyDataMapper();
  cubeMapper.SetScalarRange(0, 6.0);
  cubeMapper.SetScalarModeToUseCellData();
 ........
 
 The result is that all 6 sides are gray. The problem is that 
 "cube" has no cells  and polys defined. How can i reach this ?
 How can color all 6 sides of a cube differently ?
 
 Thanks for any help
 
 Greetings,
 Ahmet

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