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// This file is part of libigl, a simple c++ geometry processing library.
//
// Copyright (C) 2015 Qingnan Zhou <qnzhou@gmail.com>
//
// 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/.
//
#ifndef IGL_COPYLET_CGAL_CLOSEST_FACET_H
#define IGL_COPYLET_CGAL_CLOSEST_FACET_H
#include "../../igl_inline.h"
#include <Eigen/Core>
#include <vector>
#include <CGAL/AABB_tree.h>
#include <CGAL/AABB_traits.h>
#include <CGAL/AABB_triangle_primitive.h>
#include <CGAL/intersections.h>
#include <CGAL/Exact_predicates_exact_constructions_kernel.h>
namespace igl
{
namespace copyleft
{
namespace cgal
{
/// Determine the closest facet for each of the input points.
///
/// @param[in] V #V by 3 array of vertices.
/// @param[in] F #F by 3 array of faces.
/// @param[in] I #I list of triangle indices to consider.
/// @param[in] P #P by 3 array of query points.
/// @param[in] EMAP #F*3 list of indices into uE.
/// @param[in] uEC #uE+1 list of cumsums of directed edges sharing each unique edge
/// @param[in] uEE #E list of indices into E (see `igl::unique_edge_map`)
/// @param[in] VF #V list of lists of incident faces (adjacency list)
/// @param[in] VFi #V list of lists of index of incidence within incident faces listed in VF
/// @param[in] tree AABB containing triangles of (V,F(I,:))
/// @param[in] triangles #I list of cgal triangles
/// @param[in] in_I #F list of whether in submesh
/// @param[out] R #P list of closest facet indices.
/// @param[out] S #P list of bools indicating on which side of the closest facet
/// each query point lies.
///
/// \note The use of `size_t` here is a bad idea. These should just be int
/// to avoid nonsense with windows.
template<
typename DerivedV,
typename DerivedF,
typename DerivedI,
typename DerivedP,
typename DerivedEMAP,
typename DeriveduEC,
typename DeriveduEE,
typename Kernel,
typename DerivedR,
typename DerivedS >
IGL_INLINE void closest_facet(
const Eigen::PlainObjectBase<DerivedV>& V,
const Eigen::PlainObjectBase<DerivedF>& F,
const Eigen::PlainObjectBase<DerivedI>& I,
const Eigen::PlainObjectBase<DerivedP>& P,
const Eigen::PlainObjectBase<DerivedEMAP>& EMAP,
const Eigen::PlainObjectBase<DeriveduEC>& uEC,
const Eigen::PlainObjectBase<DeriveduEE>& uEE,
const std::vector<std::vector<size_t> > & VF,
const std::vector<std::vector<size_t> > & VFi,
const CGAL::AABB_tree<
CGAL::AABB_traits<
Kernel,
CGAL::AABB_triangle_primitive<
Kernel, typename std::vector<
typename Kernel::Triangle_3 >::iterator > > > & tree,
const std::vector<typename Kernel::Triangle_3 > & triangles,
const std::vector<bool> & in_I,
Eigen::PlainObjectBase<DerivedR>& R,
Eigen::PlainObjectBase<DerivedS>& S);
/// \overload
template<
typename DerivedV,
typename DerivedF,
typename DerivedI,
typename DerivedP,
typename DerivedEMAP,
typename DeriveduEC,
typename DeriveduEE,
typename DerivedR,
typename DerivedS >
IGL_INLINE void closest_facet(
const Eigen::PlainObjectBase<DerivedV>& V,
const Eigen::PlainObjectBase<DerivedF>& F,
const Eigen::PlainObjectBase<DerivedI>& I,
const Eigen::PlainObjectBase<DerivedP>& P,
const Eigen::PlainObjectBase<DerivedEMAP>& EMAP,
const Eigen::PlainObjectBase<DeriveduEC>& uEC,
const Eigen::PlainObjectBase<DeriveduEE>& uEE,
Eigen::PlainObjectBase<DerivedR>& R,
Eigen::PlainObjectBase<DerivedS>& S);
/// \overload
template<
typename DerivedV,
typename DerivedF,
typename DerivedP,
typename DerivedEMAP,
typename DeriveduEC,
typename DeriveduEE,
typename DerivedR,
typename DerivedS >
IGL_INLINE void closest_facet(
const Eigen::PlainObjectBase<DerivedV>& V,
const Eigen::PlainObjectBase<DerivedF>& F,
const Eigen::PlainObjectBase<DerivedP>& P,
const Eigen::PlainObjectBase<DerivedEMAP>& EMAP,
const Eigen::PlainObjectBase<DeriveduEC>& uEC,
const Eigen::PlainObjectBase<DeriveduEE>& uEE,
Eigen::PlainObjectBase<DerivedR>& R,
Eigen::PlainObjectBase<DerivedS>& S);
/// \overload
template<
typename DerivedV,
typename DerivedF,
typename DerivedI,
typename DerivedP,
typename DerivedEMAP,
typename DeriveduEC,
typename DeriveduEE,
typename Kernel,
typename DerivedR,
typename DerivedS >
IGL_INLINE void closest_facet(
const Eigen::PlainObjectBase<DerivedV>& V,
const Eigen::PlainObjectBase<DerivedF>& F,
const Eigen::PlainObjectBase<DerivedI>& I,
const Eigen::PlainObjectBase<DerivedP>& P,
const Eigen::PlainObjectBase<DerivedEMAP>& EMAP,
const Eigen::PlainObjectBase<DeriveduEC>& uEC,
const Eigen::PlainObjectBase<DeriveduEE>& uEE,
const std::vector<std::vector<size_t> > & VF,
const std::vector<std::vector<size_t> > & VFi,
const CGAL::AABB_tree<
CGAL::AABB_traits<
Kernel,
CGAL::AABB_triangle_primitive<
Kernel, typename std::vector<
typename Kernel::Triangle_3 >::iterator > > > & tree,
const std::vector<typename Kernel::Triangle_3 > & triangles,
const std::vector<bool> & in_I,
Eigen::PlainObjectBase<DerivedR>& R,
Eigen::PlainObjectBase<DerivedS>& S);
}
}
}
#ifndef IGL_STATIC_LIBRARY
#include "closest_facet.cpp"
#endif
#endif