CGAL users discussion list

[Vincent Mora <>]

On 07/11/2014 09:48, Sebastien Loriot (GeometryFactory) wrote:
> On 11/07/2014 09:33 AM, Vincent Mora wrote:
> > Hi,
> >
> > I need to call are_holes_and_boundary_pairwise_disjoint(pwh, traits) to
> > check an instance pwh of CGAL::Polygon_with_holes_2<Kernel>.
> >
> > I can't figure out how to obtain the traits parameter. Can someone tell
> > me ?
> The following should work:
but does not: error: no type named ‘Polygon_with_holes_2’ in ‘class 
CGAL::Epeck’


> CGAL::Polygon_with_holes_2<Kernel> poly;
> Kernel k;
> are_holes_and_boundary_pairwise_disjoint(poly, k);


The complete error:

/home/vmo/SFCGAL/src/algorithm/difference.cpp: In function 
‘OutputIteratorType SFCGAL::algorithm::difference(const 
CGAL::Polygon_with_holes_2<CGAL::Epeck>&, const 
SFCGAL::detail::PrimitiveHandle<2>&, OutputIteratorType)’:
/home/vmo/SFCGAL/src/algorithm/difference.cpp:196:69: error: no matching 
function for call to ‘are_holes_and_boundary_pairwise_disjoint(const 
CGAL::Polygon_with_holes_2<CGAL::Epeck>&, SFCGAL::Kernel&)’
         if ( are_holes_and_boundary_pairwise_disjoint( primitive, k ) &&
^
/home/vmo/SFCGAL/src/algorithm/difference.cpp:196:69: note: candidate is:
In file included from /usr/local/include/CGAL/Gps_segment_traits_2.h:29:0,
                 from 
/usr/local/include/CGAL/Boolean_set_operations_2.h:28,
                 from /home/vmo/SFCGAL/src/algorithm/difference.cpp:30:
/usr/local/include/CGAL/Boolean_set_operations_2/Gps_polygon_validation.h:599:6: 
note: template<class Traits_2> bool 
CGAL::are_holes_and_boundary_pairwise_disjoint(const typename 
Traits_2::Polygon_with_holes_2&, Traits_2&)
 bool are_holes_and_boundary_pairwise_disjoint
      ^
/usr/local/include/CGAL/Boolean_set_operations_2/Gps_polygon_validation.h:599:6: 
note:   template argument deduction/substitution failed:
/usr/local/include/CGAL/Boolean_set_operations_2/Gps_polygon_validation.h: 
In substitution of ‘template<class Traits_2> bool 
CGAL::are_holes_and_boundary_pairwise_disjoint(const typename 
Traits_2::Polygon_with_holes_2&, Traits_2&) [with Traits_2 = CGAL::Epeck]’:
/home/vmo/SFCGAL/src/algorithm/difference.cpp:196:69:   required from here
/usr/local/include/CGAL/Boolean_set_operations_2/Gps_polygon_validation.h:599:6: 
error: no type named ‘Polygon_with_holes_2’ in ‘class CGAL::Epeck’