CGAL users discussion list

[Laurent Saboret <>]

Alex,

CGAL comes with a simple cutting algorithm that may be enough for you. 
It is available in Complete_parameterization_example or 
polyhedron_ex_parameterization examples.
Did you try it on your mesh?

Best regards,

Laurent Saboret
Transvalor


Le 15/02/2013 18:38, Alex Tsui a écrit :
> Hi,
>
> I would like to compute a planar parameterization on a mesh that is a 
> topological cylinder. First I need to make it a topological disc, and 
> the way to do so is to join the two boundaries with a cut:
>
> http://imgur.com/T6D7DBK
>
> I was hoping to do this with Parameterization_mesh_patch_3 so that I 
> would not have to worry about cutting the mesh myself (and eventually 
> it would be nice to be able to do this on meshes with many more 
> boundaries). However, after specifying the seam, the mesh patch code 
> thinks that I have an invalid patch. I think the trouble is that some 
> vertices appear more than once along the seam (ie. going up and down 
> the middle cut) while some vertices appear only once along the seam 
> (ie. going around the boundaries).
>
> I was wondering if anyone had advice about this?
>
> Thanks,
>
> --Alex