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

[Bill Lorensen]

No one has taken the effort to create a marching cubes for ITK. I
recommend using VTK's version. It is well tested, and robust. Also VTK
has many supporting filters for the generated polydata.

Bill


On Tue, Apr 8, 2014 at 8:35 AM, Matt McCormick
<matt.mccormick at kitware.com> wrote:
> 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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