[vtkusers] getTuple1() method problem

[Emmanouil Moschidis]

Hi 
i am tryign to get the pixels from a vtkImageData but it seems that the line 

myImage->GetPointData()->GetScalars()->GetTuple1(number); 

causes a run time error. number is an integer and myImage a pointer to vtkImageData. Is there any problem with this method? 

Otherwise is there a better way of accessing the pixels of a vtkImageData? I 've seen the GetScalarPointer() method but i am not sure how to use it.

Thanks 

       
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