CGAL users discussion list

[Zesen Qian <>]

Thank you Laurent, it works now.

On Thu, Jul 12, 2018 at 11:14 AM, Laurent Rineau
(CGAL/GeometryFactory) 
<>
 wrote:
> Le Wednesday, July 11, 2018 3:25:32 PM CEST Zesen Qian a écrit :
>> Hi list,
>>
>> So I'm trying to use the undocumented remove_self_intersection()
>> function, here is my short program:
>>
>> #include <iostream>
>> #include <fstream>
>>
>> #include <CGAL/Surface_mesh.h>
>> #include <CGAL/Exact_predicates_exact_constructions_kernel.h>
>> #include <CGAL/Polygon_mesh_processing/repair.h>
>>
>> typedef CGAL::Exact_predicates_exact_constructions_kernel T;
>> typedef T::Point_3 Point;
>> typedef CGAL::Surface_mesh<Point> Mesh;
>>
>> namespace PMP = CGAL::Polygon_mesh_processing;
>>
>> int main(int argc, char *argv[]) {
>>   std::ifstream inS(argv[1]);
>>
>>   Mesh in;
>>   inS >> in;
>>
>>   bool ret = PMP::remove_self_intersections(in);
>>
>>   std::ofstream outS(argv[2]);
>>   outS.precision(17);
>>   outS << in;
>>   return !ret;
>> }
>>
>> The command used to build(clang++ 6.0.0) is:
>>
>> /usr/bin/c++ '-DCGAL_USE_CORE=1' -DCGAL_USE_GMP -DCGAL_USE_MPFR
>> -I/usr/local/include/eigen3 -isystem /usr/local/include
>> -I/usr/home/riaqn/doll/codes/cxx/build -O3 -DNDEBUG '-std=gnu++1z' -o
>> CMakeFiles/fix.dir/fix.cxx.o -c /usr/home/riaqn/doll/codes/cxx/fix.cxx
>>
>> The error shown is:
>>
>> In file included from /usr/home/riaqn/doll/codes/cxx/fix.cxx:4: In
>> file included from /usr/local/include/CGAL/Surface_mesh.h:27: In file
>> included from /usr/local/include/CGAL/Surface_mesh/Surface_mesh.h:46:
>> /usr/local/include/CGAL/property_map.h:483:5: error: use of undeclared
>> identifier 'CGAL_assertion' CGAL_assertion(pm.set_ptr!=NULL); ^
> [...]
>> Any comment would be much appreciated.
>
> Hi, there is indeed a bug in CGAL. It will be fixed in a future version of
> CGAL.
>
> As a workaround, you can add the following line:
>
>     #include <CGAL/assertions.h>
>
> before the include of <CGAL/Surface_mesh.h>.
>
> --
> Laurent Rineau, PhD
> R&D Engineer at GeometryFactory           http://www.geometryfactory.com/
> Release Manager of the CGAL Project       http://www.cgal.org/
>
>
>
>
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