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rAKA/test/test_geometry/test_geometry_intersection_triangle_3.cc
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test_geometry_intersection_triangle_3.cc
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/**
* @file test_geometry_mesh.cc
*
* @author Lucas Frérot <lucas.frerot@epfl.ch>
*
* @date creation: Fri Mar 13 2015
* @date last modification: Fri Mar 13 2015
*
* @brief Tests the interface mesh generation
*
* @section LICENSE
*
* Copyright (©) 2015 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 "mesh_segment_intersector.hh"
#include "geom_helper_functions.hh"
#include "mesh_geom_common.hh"
#include <iostream>
/* -------------------------------------------------------------------------- */
using namespace akantu;
typedef Cartesian K;
/* -------------------------------------------------------------------------- */
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;
test.element = 0;
test.type = _segment_2;
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;
finalize();
return EXIT_SUCCESS;
}
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