CGAL users discussion list

[Zohar <>]

1. This is our current thread:

http://cgal-discuss.949826.n4.nabble.com/Convert-C3t3-to-Polyhedron-td4467182.html

In the first post I gave a link by Lehtonen Matti, and commented about it,
and I believe you gave me an older link of the same guy. I pointed out that
he uses a different interface, and even after making the changes it still
didn't work.

2. I saw the facets enum in a complex, but the whole doc is a bit obscure
about c3t3. And yes, if I spend a few days on this, I believe I could write
something. It would have been easier if I knew how to detect if a facet
belongs to the boundary, and how to discern between the different domains of
the complex. I might be mixing definitions, since I didn't fully understood
the doc. I need to read it again, and a depiction like in the polyhedron doc
would have surely helped . Since I don't need it urgently, I prefer to look
for an already made code - someone said he would fix the one on your link.

3. I am more curious about the difference between the two mesh generation
algorithms, the one for c2t3 and the one for c3t3. Theuy both seem to rely
on [BO05], which basically uses 3D restricted delaunay. As such I also
wondered, if the c3t3 would have generated a surface (polyhedron), would it
be, as expected, the same surface generated by c2t3? Why the c2t3 is still
buggy, why the c3t3 doesn't have an official polyhedron converter, and why
each (c3t3, c2t3) is in a different package?



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