84 lines
3.6 KiB
C++
84 lines
3.6 KiB
C++
// This file is part of libigl, a simple c++ geometry processing library.
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//
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// Copyright (C) 2015 Qingnan Zhou <qnzhou@gmail.com>
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//
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// This Source Code Form is subject to the terms of the Mozilla Public License
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// v. 2.0. If a copy of the MPL was not distributed with this file, You can
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// obtain one at http://mozilla.org/MPL/2.0/.
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#include "component_inside_component.h"
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#include "order_facets_around_edge.h"
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#include "../../LinSpaced.h"
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#include "points_inside_component.h"
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#include <CGAL/AABB_tree.h>
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#include <CGAL/AABB_traits.h>
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#include <CGAL/AABB_triangle_primitive.h>
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#include <CGAL/Exact_predicates_exact_constructions_kernel.h>
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#include <cassert>
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#include <list>
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#include <limits>
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#include <vector>
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template <typename DerivedV, typename DerivedF, typename DerivedI>
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IGL_INLINE bool igl::copyleft::cgal::component_inside_component(
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const Eigen::PlainObjectBase<DerivedV>& V1,
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const Eigen::PlainObjectBase<DerivedF>& F1,
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const Eigen::PlainObjectBase<DerivedI>& I1,
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const Eigen::PlainObjectBase<DerivedV>& V2,
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const Eigen::PlainObjectBase<DerivedF>& F2,
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const Eigen::PlainObjectBase<DerivedI>& I2) {
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if (F1.rows() <= 0 || I1.rows() <= 0 || F2.rows() <= 0 || I2.rows() <= 0) {
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throw "Component inside test cannot be done on empty component!";
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}
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const Eigen::Vector3i& f = F1.row(I1(0, 0));
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const Eigen::Matrix<typename DerivedV::Scalar, 1, 3> query(
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(V1(f[0],0) + V1(f[1],0) + V1(f[2],0))/3.0,
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(V1(f[0],1) + V1(f[1],1) + V1(f[2],1))/3.0,
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(V1(f[0],2) + V1(f[1],2) + V1(f[2],2))/3.0);
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Eigen::VectorXi inside;
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igl::copyleft::cgal::points_inside_component(V2, F2, I2, query, inside);
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assert(inside.size() == 1);
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return inside[0];
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}
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template<typename DerivedV, typename DerivedF>
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IGL_INLINE bool igl::copyleft::cgal::component_inside_component(
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const Eigen::PlainObjectBase<DerivedV>& V1,
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const Eigen::PlainObjectBase<DerivedF>& F1,
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const Eigen::PlainObjectBase<DerivedV>& V2,
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const Eigen::PlainObjectBase<DerivedF>& F2) {
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if (F1.rows() <= 0 || F2.rows() <= 0) {
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throw "Component inside test cannot be done on empty component!";
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}
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Eigen::VectorXi I1(F1.rows()), I2(F2.rows());
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I1 = igl::LinSpaced<Eigen::VectorXi>(F1.rows(), 0, F1.rows()-1);
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I2 = igl::LinSpaced<Eigen::VectorXi>(F2.rows(), 0, F2.rows()-1);
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return igl::copyleft::cgal::component_inside_component(V1, F1, I1, V2, F2, I2);
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}
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#ifdef IGL_STATIC_LIBRARY
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// Explicit template instantiation
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template bool igl::copyleft::cgal::component_inside_component<
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Eigen::Matrix<double, -1, -1, 0, -1, -1>,
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Eigen::Matrix< int, -1, -1, 0, -1, -1>,
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Eigen::Matrix< int, -1, -1, 0, -1, -1> > (
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Eigen::PlainObjectBase<Eigen::Matrix<double, -1, -1, 0, -1, -1> > const&,
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Eigen::PlainObjectBase<Eigen::Matrix< int, -1, -1, 0, -1, -1> > const&,
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Eigen::PlainObjectBase<Eigen::Matrix< int, -1, -1, 0, -1, -1> > const&,
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Eigen::PlainObjectBase<Eigen::Matrix<double, -1, -1, 0, -1, -1> > const&,
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Eigen::PlainObjectBase<Eigen::Matrix< int, -1, -1, 0, -1, -1> > const&,
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Eigen::PlainObjectBase<Eigen::Matrix< int, -1, -1, 0, -1, -1> > const&);
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template bool igl::copyleft::cgal::component_inside_component<
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Eigen::Matrix<double, -1, -1, 0, -1, -1>,
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Eigen::Matrix< int, -1, -1, 0, -1, -1> > (
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Eigen::PlainObjectBase<Eigen::Matrix<double, -1, -1, 0, -1, -1> > const&,
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Eigen::PlainObjectBase<Eigen::Matrix< int, -1, -1, 0, -1, -1> > const&,
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Eigen::PlainObjectBase<Eigen::Matrix<double, -1, -1, 0, -1, -1> > const&,
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Eigen::PlainObjectBase<Eigen::Matrix< int, -1, -1, 0, -1, -1> > const&);
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#endif
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