[vtkusers] handling

[Jinyoung Hwang]

Hi all,

I loaded vtk file using vtkStructuredPointsReader.
-----
vtkStructuredPointsReader *spr = vtkStructuredPointsReader::New();
spr->SetFileName("test.vtk");             // "test.vtk" is a volume data
(256x256x256).
-----

Then how can I access specific location, i.e., (100,100,100).
After aceesing the location, I'd like to change the scalar value of the
location.


Thanks,


Jinyoung
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