[vtkusers] Getting the intensity value at a particular point

[Vinicius Gomes]

Hi! I have used the vtkImageData->GetScalarPointer( ) to access the image
grey levels.

On 8/8/07, Luca Pamparana <luca.pamparana at gmail.com> wrote:
>
> Hi everyone,
>
> Given a vtkImageData object, how can I find the intensity at a particular
> image point?
>
> So, I have x, y and z in image space and I want to find the image
> intensity value at that point.
>
> Cheers,
> Luca
>
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