[vtkusers] Assigning vtkImageAppendComponents output to vtkImageData array

[Anja Ende]

vtkImageData * histDataArray;
// OUCH!
histDataArray->SetDimensions(i_Dim,j_Dim,k_Dim);
histDataArray = threeCompArray->GetOutput();

histDataArray needs to be initialized....by vtkImageData::New();

or you can do this:

vtkImageData * histDataArray;
// Set reference first
histDataArray = threeCompArray->GetOutput();
if (histDataArray)
       histDataArray->SetDimensions(i_Dim,j_Dim,k_Dim);

Hope that helps.


Anja
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