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rAKA/test/test_geometry/test_segment_intersection_triangle_3.cc
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test_segment_intersection_triangle_3.cc
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/**
* @file test_segment_intersection_triangle_3.cc
*
* @author Lucas Frerot <lucas.frerot@epfl.ch>
* @author Clement Roux <clement.roux@epfl.ch>
*
* @date creation: Fri Feb 27 2015
* @date last modification: Wed Jan 31 2018
*
* @brief Tests the interface mesh generation
*
*
* Copyright (©) 2015-2018 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* Akantu is free software: you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option) any
* later version.
*
* Akantu is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
* A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Akantu. If not, see <http://www.gnu.org/licenses/>.
*
*/
/* -------------------------------------------------------------------------- */
#include "aka_common.hh"
#include "geom_helper_functions.hh"
#include "mesh_geom_common.hh"
#include "mesh_segment_intersector.hh"
#include "mesh_sphere_intersector.hh"
#include <iostream>
/* -------------------------------------------------------------------------- */
using namespace akantu;
typedef cgal::Cartesian K;
typedef cgal::Spherical SK;
/* -------------------------------------------------------------------------- */
int main(int argc, char * argv[]) {
initialize("", argc, argv);
debug::setDebugLevel(dblError);
Math::setTolerance(1e-10);
Mesh mesh(2), interface_mesh(2, "interface_mesh");
mesh.read("test_geometry_triangle.msh");
MeshSegmentIntersector<2, _triangle_3> intersector(mesh, interface_mesh);
intersector.constructData();
// Testing a segment going out of the mesh
K::Point_3 a(0, 0.25, 0), b(1, 0.25, 0), c(0.25, 0, 0), d(0.25, 1, 0);
K::Segment_3 h_interface(a, b), v_interface(c, d);
std::list<K::Segment_3> interface_list;
interface_list.push_back(h_interface);
interface_list.push_back(v_interface);
intersector.computeIntersectionQueryList(interface_list);
if (interface_mesh.getNbElement(_segment_2) != 4)
return EXIT_FAILURE;
Vector<Real> bary(2);
Element test{_segment_2, 0, _not_ghost};
interface_mesh.getBarycenter(test, bary);
Real first_bary[] = {0.125, 0.25};
if (!Math::are_vector_equal(2, bary.storage(), first_bary))
return EXIT_FAILURE;
// Testing a segment completely inside an element
K::Point_3 e(0.1, 0.33, 0), f(0.1, 0.67, 0);
K::Segment_3 inside_segment(e, f);
intersector.computeIntersectionQuery(inside_segment);
test.element = interface_mesh.getNbElement(_segment_2) - 1;
interface_mesh.getBarycenter(test, bary);
Real second_bary[] = {0.1, 0.5};
if (!Math::are_vector_equal(2, bary.storage(), second_bary))
return EXIT_FAILURE;
#if 0
// cgal::Spherical kernel testing the addition of nodes
std::cout << "initial mesh size = " << mesh.getNodes().size() << " nodes" << std::endl;
SK::Sphere_3 sphere(SK::Point_3(0, 1, 0), 0.2*0.2);
SK::Sphere_3 sphere2(SK::Point_3(1, 0, 0), 0.4999999999);
MeshSphereIntersector<2, _triangle_3> intersector_sphere(mesh);
intersector_sphere.constructData();
std::list<SK::Sphere_3> sphere_list;
sphere_list.push_back(sphere);
sphere_list.push_back(sphere2);
intersector_sphere.computeIntersectionQueryList(sphere_list);
std::cout << "final mesh size = " << mesh.getNodes().size() << std::endl;
const Array<UInt> new_node_triangle_3 = intersector_sphere.getNewNodePerElem();
const Array<Real> & nodes = mesh.getNodes();
std::cout << "New nodes :" << std::endl;
std::cout << "node 5, x=" << nodes(4,0) << ", y=" << nodes(4,1) << std::endl;
std::cout << "node 6, x=" << nodes(5,0) << ", y=" << nodes(5,1) << std::endl;
std::cout << "node 7, x=" << nodes(6,0) << ", y=" << nodes(6,1) << std::endl;
if ( (new_node_triangle_3(0,0) != 1) || (new_node_triangle_3(1,0) != 2)){
for(UInt k=0; k != new_node_triangle_3.size(); ++k){
std::cout << new_node_triangle_3(k,0) << " new nodes in element " << k << ", node(s): "
<< new_node_triangle_3(k,1) << ", " << new_node_triangle_3(k,3)
<< ", on segment(s):" << new_node_triangle_3(k,2) << ", "
<< new_node_triangle_3(k,4) << std::endl;
}
return EXIT_FAILURE;
}
#endif
finalize();
return EXIT_SUCCESS;
}
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