[vtkusers] Specify image subregion on which vtkImageMarchingCubes operates?

[Karthik Krishnan]

Does setting the image update extent on the output of MC help. Something
like ?

  marchingCubes->GetOutput()->SetUpdateExtent( 10, 50, 10, 50, 10, 50 )

On Fri, Feb 24, 2012 at 10:05 PM, Cory Quammen <cquammen at cs.unc.edu> wrote:

> Hi all,
>
> I've looked at the VTK documentation and wiki examples, but couldn't
> find an example of what I want to do.
>
> I'd like to generate an isocontour from a subregion of an image. I
> could use a vtkExtractVOI to extract the subregion of interest, but
> I'd like to avoid copying the image data. Is there a way to specify
> the extent on which the vtkImageMarchingCubes filter operates on its
> input?
>
> If there is an alternative that saves memory, I'd be happy to hear that as
> well.
>
> Thanks in advance,
> Cory
>
> --
> Cory Quammen
> Research Associate
> Department of Computer Science
> The University of North Carolina at Chapel Hill
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-- 
--
karthik
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