[vtkusers] how to access 3D volume

[Ravi Samala]

hi Michnay,

thankx a lot. I wil give it a try.....

Ravi

--- Michnay Balázs <michnay at freemail.hu> wrote:

> Dear Ravi,
> 
> Here's how you can access a slice of a volume:
> 
> vtkExtractVOI *sliceExtractor =
> vtkExtractVOI::New();
> sliceExtractor->SetInput(volume);
> sliceExtractor->SetVOI
> (xmin,xmax,ymin,ymax,frameNumber,frameNumber);
> 
> where both xmin and ymin should be 0, xmax and ymax
> should be the 
> size of the frame.
> frameNumber is the number of frame you'd like to
> extract.
> 
> The extracted image data can then be accessed by
> calling:
> 
> sliceExtractor->GetOutput();
> 
> Best of all,
> 
>  Michnay
> 
>
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