2ae2672ee9
Fixing dep build script on Windows and removing some warnings. Use bundled igl by default. Not building with the dependency scripts if not explicitly stated. This way, it will stay in Fix the libigl patch to include C source files in header only mode.
69 lines
3.2 KiB
C++
69 lines
3.2 KiB
C++
// This file is part of libigl, a simple c++ geometry processing library.
|
|
//
|
|
// Copyright (C) 2016 Alec Jacobson
|
|
//
|
|
// This Source Code Form is subject to the terms of the Mozilla Public License
|
|
// v. 2.0. If a copy of the MPL was not distributed with this file, You can
|
|
// obtain one at http://mozilla.org/MPL/2.0/.
|
|
#include "insert_into_cdt.h"
|
|
#include <CGAL/Point_3.h>
|
|
#include <CGAL/Segment_3.h>
|
|
#include <CGAL/Triangle_3.h>
|
|
|
|
template <typename Kernel>
|
|
IGL_INLINE void igl::copyleft::cgal::insert_into_cdt(
|
|
const CGAL::Object & obj,
|
|
const CGAL::Plane_3<Kernel> & P,
|
|
CGAL::Constrained_triangulation_plus_2<
|
|
CGAL::Constrained_Delaunay_triangulation_2<
|
|
Kernel,
|
|
CGAL::Triangulation_data_structure_2<
|
|
CGAL::Triangulation_vertex_base_2<Kernel>,
|
|
CGAL::Constrained_triangulation_face_base_2< Kernel>
|
|
>,
|
|
CGAL::Exact_intersections_tag
|
|
>
|
|
>
|
|
& cdt)
|
|
{
|
|
typedef CGAL::Point_3<Kernel> Point_3;
|
|
typedef CGAL::Segment_3<Kernel> Segment_3;
|
|
typedef CGAL::Triangle_3<Kernel> Triangle_3;
|
|
|
|
if(const Segment_3 *iseg = CGAL::object_cast<Segment_3 >(&obj))
|
|
{
|
|
// Add segment constraint
|
|
cdt.insert_constraint( P.to_2d(iseg->vertex(0)),P.to_2d(iseg->vertex(1)));
|
|
}else if(const Point_3 *ipoint = CGAL::object_cast<Point_3 >(&obj))
|
|
{
|
|
// Add point
|
|
cdt.insert(P.to_2d(*ipoint));
|
|
} else if(const Triangle_3 *itri = CGAL::object_cast<Triangle_3 >(&obj))
|
|
{
|
|
// Add 3 segment constraints
|
|
cdt.insert_constraint( P.to_2d(itri->vertex(0)),P.to_2d(itri->vertex(1)));
|
|
cdt.insert_constraint( P.to_2d(itri->vertex(1)),P.to_2d(itri->vertex(2)));
|
|
cdt.insert_constraint( P.to_2d(itri->vertex(2)),P.to_2d(itri->vertex(0)));
|
|
} else if(const std::vector<Point_3 > *polyp =
|
|
CGAL::object_cast< std::vector<Point_3 > >(&obj))
|
|
{
|
|
const std::vector<Point_3 > & poly = *polyp;
|
|
const size_t m = poly.size();
|
|
assert(m>=2);
|
|
for(size_t p = 0;p<m;p++)
|
|
{
|
|
const size_t np = (p+1)%m;
|
|
cdt.insert_constraint(P.to_2d(poly[p]),P.to_2d(poly[np]));
|
|
}
|
|
}else {
|
|
throw std::runtime_error("Unknown intersection object!");
|
|
}
|
|
}
|
|
|
|
#ifdef IGL_STATIC_LIBRARY
|
|
// Explicit template instantiation
|
|
#include <CGAL/Exact_predicates_exact_constructions_kernel.h>
|
|
template void igl::copyleft::cgal::insert_into_cdt<CGAL::Epick>(CGAL::Object const&, CGAL::Plane_3<CGAL::Epick> const&, CGAL::Constrained_triangulation_plus_2<CGAL::Constrained_Delaunay_triangulation_2<CGAL::Epick, CGAL::Triangulation_data_structure_2<CGAL::Triangulation_vertex_base_2<CGAL::Epick, CGAL::Triangulation_ds_vertex_base_2<void> >, CGAL::Constrained_triangulation_face_base_2<CGAL::Epick, CGAL::Triangulation_face_base_2<CGAL::Epick, CGAL::Triangulation_ds_face_base_2<void> > > >, CGAL::Exact_intersections_tag> >&);
|
|
template void igl::copyleft::cgal::insert_into_cdt<CGAL::Epeck>(CGAL::Object const&, CGAL::Plane_3<CGAL::Epeck> const&, CGAL::Constrained_triangulation_plus_2<CGAL::Constrained_Delaunay_triangulation_2<CGAL::Epeck, CGAL::Triangulation_data_structure_2<CGAL::Triangulation_vertex_base_2<CGAL::Epeck, CGAL::Triangulation_ds_vertex_base_2<void> >, CGAL::Constrained_triangulation_face_base_2<CGAL::Epeck, CGAL::Triangulation_face_base_2<CGAL::Epeck, CGAL::Triangulation_ds_face_base_2<void> > > >, CGAL::Exact_intersections_tag> >&);
|
|
#endif
|