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

[Will Schroeder]

Also VTK has gone through recent modularization so it should be a little
easier to pull out what you want.
W


On Tue, Apr 8, 2014 at 11:29 AM, Bill Lorensen <bill.lorensen at gmail.com>wrote:

> 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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>
> --
> Unpaid intern in BillsBasement at noware dot com
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-- 
William J. Schroeder, PhD
Kitware, Inc.
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