[Insight-developers] Making cuberille polygonization work with QuadEdgeMesh

Dan Mueller dan.muel at gmail.com
Sat Jul 24 10:23:47 EDT 2010


Hi Wanlin,

I can confirm that the case you present is the issue. I have updated
the source on the IJ to include a minimal dataset (Data/blob2.mha)
which fails for QuadEdgeMesh.

While the/an issue has been identified, I'm still not sure how to
solve it. Any ideas welcome!

Cheers, Dan

On 23 July 2010 16:06, wanlin <wanlinzhu at gmail.com> wrote:
> Hi, dan
>     Is there possible such a case, for voxels
>
>     AB
>     CD
>
> Intensity values at locations A and D are larger than isosurfacevalue,
> intensity values at location B and C are smaller than isosurfacevalue. hence
> faces AB and AC, faces CD and BD are faces have isosuface, which will lead
> to the mesh not a 2-manifolds. The errors might come from when adding faces
> AB and AC, the edge between A and D (it is the common edge between A,B,C,D)
> has been set with both left and right faces. When adding face BD or face CD,
> errors occurred.
>
>
> wanlin


More information about the Insight-developers mailing list