CGAL users discussion list

[Vincent Mora <>]

Hi all,

I need to use intersection( Triangle_3, Triangle_3 ) and union of 
polygons from
Boolean_set_operations_2.h in the same piece of code.

Unfortunatelty this does not seem possible (see error below).

Is it expected ?

Thanks,

V.




/usr/local/include/CGAL/Triangle_3_Triangle_3_intersection.h:62:64: 
error: call of overloaded 
‘intersection(CGAL::CartesianKernelFunctors::Construct_line_3<CGAL::Simple_cartesian<CGAL::Interval_nt<false> 
> >::Line_3, 
CGAL::CartesianKernelFunctors::Construct_line_3<CGAL::Simple_cartesian<CGAL::Interval_nt<false> 
> >::Line_3, const CGAL::Simple_cartesian<CGAL::Interval_nt<false> >&)’ 
is ambiguous
       Object obj= intersection(Line_3(p,q),Line_3(*prev,curr),k);
                                                                ^
/usr/local/include/CGAL/Triangle_3_Triangle_3_intersection.h:62:64: 
note: candidates are:
In file included from /usr/local/include/CGAL/intersection_3_1.h:427:0,
                 from /usr/local/include/CGAL/intersection_3.h:29,
                 from /usr/local/include/CGAL/Kernel/function_objects.h:34,
                 from 
/usr/local/include/CGAL/Cartesian/function_objects.h:28,
                 from 
/usr/local/include/CGAL/Cartesian/Cartesian_base.h:68,
                 from /usr/local/include/CGAL/Simple_cartesian.h:28,
                 from 
/usr/local/include/CGAL/Exact_predicates_exact_constructions_kernel.h:28,
                 from /home/vmo/SFCGAL/build/include/SFCGAL/Kernel.h:24,
                 from /home/vmo/SFCGAL/build/include/SFCGAL/numeric.h:29,
                 from 
/home/vmo/SFCGAL/build/include/SFCGAL/Coordinate.h:31,
                 from /home/vmo/SFCGAL/build/include/SFCGAL/Point.h:24,
                 from 
/home/vmo/SFCGAL/build/include/SFCGAL/LineString.h:31,
                 from /home/vmo/SFCGAL/build/include/SFCGAL/Polygon.h:32,
                 from 
/home/vmo/SFCGAL/build/include/SFCGAL/algorithm/differencePrimitives.h:3,
                 from /home/vmo/SFCGAL/src/algorithm/union.cpp:21:
/usr/local/include/CGAL/Intersections_3/intersection_3_1_impl.h:200:1: 
note: CGAL::Object CGAL::internal::intersection(const typename 
K::Line_3&, const typename K::Line_3&, const K&) [with K = 
CGAL::Simple_cartesian<CGAL::Interval_nt<false> >; typename K::Line_3 = 
CGAL::Line_3<CGAL::Simple_cartesian<CGAL::Interval_nt<false> > >]
 intersection(const typename K::Line_3 &l1,
 ^
In file included from 
/home/vmo/SFCGAL/build/include/SFCGAL/algorithm/differencePrimitives.h:7:0,
                 from /home/vmo/SFCGAL/src/algorithm/union.cpp:21:
/usr/local/include/CGAL/Boolean_set_operations_2.h:904:23: note: 
OutputIterator CGAL::intersection(InputIterator, InputIterator, 
OutputIterator, unsigned int) [with InputIterator = 
CGAL::Line_3<CGAL::Simple_cartesian<CGAL::Interval_nt<false> > >; 
OutputIterator = CGAL::Simple_cartesian<CGAL::Interval_nt<false> >]
 inline OutputIterator intersection (InputIterator begin, InputIterator 
end,
                       ^