CGAL users discussion list

["Wonwoo Lee" <>]

 

Hi, CGAL developers and users.

 

I wrote a class which uses Nef_3 boolean operation for the exact visual hull reconstruction from silhouette images.

My code had no errors with the CGAL 3.2.1, when I built it.

 

However, it causes many compile errors with the file 'lazy_exact_nt.h' when I try to compile my code

after I updated the CGAL to version 3.3.

 

The errors are about the definition of the operator '/', such as :

 

c:\program files\cgal-3.3\include\cgal\lazy_exact_nt.h(325) : error C2784: 'CGAL::Root_of_2<RT_> CGAL::operator /(const CGAL::Root_of_2<RT_> &,const CGAL::Root_of_2<RT_> &)' : could not deduce template argument for 'const CGAL::Root_of_2<RT_> &' from 'CGAL::MP_Float'
 

1>c:\program files\cgal-3.3\include\cgal\lazy_exact_nt.h(325) : error C2784: 'CGAL::Interval_nt<Protected> CGAL::operator /(double,const CGAL::Interval_nt<Protected> &)' : could not deduce template argument for 'const CGAL::Interval_nt<Protected> &' from 'CGAL::MP_Float'

 

Actually, I'm not much familar with the way CGAL works.

I referred the demos and examples to develop my code.

Anyone can help me ?

 

 

 

For more information, I listed header files I'm using.

 

#include <CGAL/Homogeneous.h>
#include <CGAL/Nef_polyhedron_3.h>
#include <CGAL/IO/Nef_polyhedron_iostream_3.h>

// Headers for Polydedron_3
#include <CGAL/Polyhedron_3.h>
#include <CGAL/IO/Polyhedron_iostream.h>
#include <CGAL/Polyhedron_incremental_builder_3.h>

#include <CGAL/Exact_predicates_exact_constructions_kernel.h>

// typedefs....
typedef CGAL::Exact_predicates_exact_constructions_kernel Kernel;

typedef CGAL::Nef_polyhedron_3<Kernel>  Nef_polyhedron_3;

typedef CGAL::Polyhedron_3<Kernel> Polyhedron_3;
typedef Polyhedron_3::HalfedgeDS HalfedgeDS;
typedef Kernel::Point_3  Point_3;
typedef Kernel::Vector_3 Vector_3 ;
typedef Kernel::Plane_3  Plane_3;
typedef Kernel::Line_3  Line_3 ;

typedef Nef_polyhedron_3::Aff_transformation_3  Aff_transformation_3 ;