[vtkusers] Getting an x,y,z point from a vtkDataSet

[Nico Vermaas]

Hi,

I have vtkImageData and I try to get the value of a point that I picked. I have the X,Y,Z, but how do I get the value of that point?
Is there something like vtkImageData->GetScalar(x,y,z)?

Nico

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Nico Vermaas
ASTRON - Westerbork Synthesis Radio Telescope
Schattenberg 1 - 9433 TA Zwiggelte - The Netherlands

tel: +31 593 598710                 
vermaas at astron.nl 
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