[vtkusers] Need Help

[Darshan Pai]

I have an M RI image which i have read in the vtkImageData object..

Now I want to retrieve the Scalar values of the MRI data


SO i did

void *output = imageData->GetScalarPointer(0,0,z);

then memcpy writeptr, output, x*y

I am trying to read the values in writeptr and i get only zeroes and
no intensity values

I am bugged 

Help