CGAL users discussion list

[Michael Klatt <>]

Dear Mael,

Thanks! One of my algorithms is implemented and running. Unfortunately, for
the next one I still have some questions.
In particular, I am not sure whether I have understood the uniqueness or
non-uniqueness of the handles correctly.

What is a unique identifier of each cell (where we do not distinguish
periodic copies)?
How can I iterate over unique cells (in the sense of the
Iterator_type=UNIQUE) so that I can analyze some (arbitrary) representative
tetrahedron and assign information to the unique identifier of the cell?

Next, I would like to iterate over unique facets and get the two adjacent
cells, that is, their unique identifier as well as the relative offset of
for example the center of mass of the representatives that form that facet?

It will be a great help to me, if there is a convenient solution to these
problems.
Thank you very much!

Best regards,

Michael




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