CGAL users discussion list

[Guillaume Damiand <>]

Le 27/03/2015 12:45, Pranav a écrit :
> Guillaume Damiand wrote
> > When you call the function CGAL::import_from_triangulation_3, you can
> > use an undocumented third parameter (a std::map
> > std::map<Triangulation::Cell_handle, LCC_3::Dart_handle >) linking
> > cells
> > of the T3 and darts of the LCC.
> >
> > With this map, you can know if a dart belong to the infinite vertex of
> > the T3 or not.
> Since import_from_triangulation_3 returns Dart_handle to the /infinite
> vertex/, I tried using it to separate out infinite vertex from other
> vertices. But in  this code
> <https://gist.github.com/pranavkantgaur/9e928dc3fd5816cb891a#file-lccimport-cpp>
> I find that the coordinates of infinite vertex in Linear cell complex are
> different from those in Delaunay triangulation. Is it really a bug or I am
> understanding it incorrectly?

As said by Oliviers, infinite vertex has no coordinates; thus you must 
not use that !


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