[ITK-users] [ITK] Isosurface extraction with ITK

[Matt McCormick]

Hi Joel,

Bill L., knows the history better, but it would be convenient to have
a port of VTK's marching cube's to ITK.

Thanks,
Matt

On Tue, Apr 8, 2014 at 8:25 AM, Joël Schaerer <joel.schaerer at gmail.com> wrote:
> Hi all,
>
> I'm trying to perform isosurface extraction from a continuous map using ITK
> (no VTK). The closest match I've found is the BinaryMask3DMeshSource which
> performs the Marching Cubes on a binary mask.
>
> Unfortunately this requires thresholding the input before meshing, which
> results in rough edges in the output mesh. VTK's marching cube filter allows
> setting a floating-point isosurface value and the resulting meshes are
> noticeably smoother.
>
> Is there a better solution to this problem using ITK only? Is there any
> particular reason why the marching cubes algorithm is implemented
> differently in ITK and VTK?
>
> Thanks!
>
> joel
>
> PS: A sample input image with the corresponding ITK and VTK meshes is
> available here:
> http://sd-33294.dedibox.fr/~joel/isosurface_extraction.tar.gz
>
>
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