243 lines
7.3 KiB
C++
243 lines
7.3 KiB
C++
// Copyright (C) 2007-2021 CEA/DEN, EDF R&D, OPEN CASCADE
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//
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// Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
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// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2.1 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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//
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// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
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//
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// File : run_mesher.cxx
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// Author : Yoann AUDOUIN, EDF
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// Module : SMESH
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//
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#include "DriverStep.hxx"
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#include "DriverMesh.hxx"
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#include "netgen_param.hxx"
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#include "netgen_mesher.hxx"
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#include <SMESH_Mesh.hxx>
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#include <SMESH_Gen.hxx>
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#include <TopoDS_Shape.hxx>
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#include <iostream>
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#include <chrono>
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/**
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* @brief Test of shape Import/Export
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*
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* @param shape_file
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*/
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void test_shape(){
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std::cout << "Testing Shape Import/Export" << std::endl;
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std::string shape_file = "box.step";
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TopoDS_Shape myShape;
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// Test 1 import -> export cmp files
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std::string shape_file2 = "/tmp/shape.step";
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import_shape(shape_file, myShape);
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export_shape(shape_file2, myShape);
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assert(diff_step_file(shape_file, shape_file2));
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// Test 2 import->export->import cmp TopoDS_Shape
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std::string shape_file3 = "/tmp/shape2.step";
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TopoDS_Shape myShape1, myShape2;
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import_shape(shape_file, myShape1);
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export_shape(shape_file3, myShape1);
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import_shape(shape_file3, myShape2);
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// TODO: See why this does not work
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// TShape seems to be different
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//assert(myShape1.IsSame(myShape2));
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}
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/**
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* @brief test of mesh import/export
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*
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* @param mesh_file
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*/
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void test_mesh(){
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std::cout << "Testing Mesh Import/Export" << std::endl;
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std::string mesh_file = "box.med";
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SMESH_Gen gen;
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SMESH_Mesh *myMesh = gen.CreateMesh(false);
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std::string mesh_name = "Maillage_1";
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// Test 1 import -> export cmp files
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std::string mesh_file2 = "/tmp/mesh.med";
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import_mesh(mesh_file, *myMesh, mesh_name);
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export_mesh(mesh_file2, *myMesh, mesh_name);
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assert(diff_med_file(mesh_file, mesh_file2, mesh_name));
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// TODO: Compare the two med files via dump ?
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// Test 2 import->export->import cmp TopoDS_Shape
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std::string mesh_file3 = "/tmp/mesh2.med";
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SMESH_Mesh *myMesh1 = gen.CreateMesh(false);
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SMESH_Mesh *myMesh2 = gen.CreateMesh(false);
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import_mesh(mesh_file, *myMesh1, mesh_name);
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export_mesh(mesh_file3, *myMesh1, mesh_name);
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import_mesh(mesh_file3, *myMesh2, mesh_name);
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// TODO: Compare SMESH_Mesh
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//assert(myMesh1==myMesh2);
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}
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/**
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* @brief Test of import/export of netgen param
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*
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*/
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void test_netgen_params(){
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std::string param_file = "/tmp/netgen_param.txt";
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netgen_params myParams, myParams2;
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myParams.has_netgen_param = true;
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myParams.maxh = 34.64;
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myParams.minh = 0.14;
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myParams.segmentsperedge = 15;
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myParams.grading = 0.2;
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myParams.curvaturesafety = 1.5;
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myParams.secondorder = false;
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myParams.quad = false;
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myParams.optimize = true;
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myParams.fineness = 5;
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myParams.uselocalh = true;
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myParams.merge_solids = true;
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myParams.chordalError = -1;
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myParams.optsteps2d = 3;
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myParams.optsteps3d = 3;
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myParams.elsizeweight = 0.2;
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myParams.opterrpow = 2;
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myParams.delaunay = true;
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myParams.checkoverlap = true;
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myParams.checkchartboundary = false;
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myParams.closeedgefac = 2;
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myParams.has_local_size = false;
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myParams.meshsizefilename = "";
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myParams.has_maxelementvolume_hyp = false;
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myParams.maxElementVolume = 0.0;
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export_netgen_params(param_file, myParams);
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import_netgen_params(param_file, myParams2);
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assert(diff_netgen_params(myParams, myParams2));
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};
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void test_netgen3d(){
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std::cout << "Testing NETGEN 3D mesher" << std::endl;
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netgen3d("box_partial2D1D-2.med",
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"box-2.step",
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"box_param.txt",
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"element_orient.dat",
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"new_element.dat",
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true,
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"box_with3D.med",
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1);
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// TODO: Check result
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}
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/**
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* @brief Main function
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*
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* @param argc Number of arguments
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* @param argv Arguments
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*
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* @return error code
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*/
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int main(int argc, char *argv[]){
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if(argc!=10||(argc==2 && (strcmp(argv[1], "-h") == 0 || strcmp(argv[1], "--help")==0))){
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std::cout << "Error in number of argument"<<std::endl;
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std::cout << "Syntax:"<<std::endl;
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std::cout << "run_mesher MESHER INPUT_MESH_FILE SHAPE_FILE HYPO_FILE" << std::endl;
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std::cout << " ELEM_ORIENT_FILE NB_THREADS" << std::endl;
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std::cout << " NEW_ELEMENT_FILE OUTPUT_MESH_FILE" << std::endl;
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std::cout << std::endl;
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std::cout << "Args:" << std::endl;
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std::cout << " MESHER: mesher to use from (NETGEN3D, NETGEN2D)" << std::endl;
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std::cout << " INPUT_MESH_FILE: MED File containing lower-dimension-elements already meshed" << std::endl;
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std::cout << " SHAPE_FILE: STEP file containing the shape to mesh" << std::endl;
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std::cout << " HYPO_FILE: Ascii file containint the list of parameters" << std::endl;
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std::cout << " ELEM_ORIENT_FILE: binary file containing the list of element from INPUT_MESH_FILE associated to the shape and their orientation" << std::endl;
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std::cout << " NB_THREADS: Number of thread to use for the mesher" << std::endl;
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std::cout << " NEW_ELEMENT_FILE: (out) contains elements and nodes added by the meshing" << std::endl;
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std::cout << " OUTPUT_MESH: If !=0 will export mesh into OUTPUT_MESH_FILE " << std::endl;
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std::cout << " OUTPUT_MESH_FILE: MED File containing the mesh after the run of the mesher" << std::endl;
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return 0;
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}
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std::string mesher=argv[1];
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std::string input_mesh_file=argv[2];
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std::string shape_file=argv[3];
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std::string hypo_file=argv[4];
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std::string element_orientation_file=argv[5];
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int nbThreads=std::stoi(argv[6]);
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std::string new_element_file=argv[7];
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bool output_mesh = std::stoi(argv[8]) != 0;
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std::string output_mesh_file=argv[9];
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if (mesher=="test"){
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std::cout << "Running tests" << std::endl;
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test_shape();
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test_mesh();
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test_netgen_params();
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test_netgen3d();
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} else if (mesher=="NETGEN3D"){
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auto begin = std::chrono::high_resolution_clock::now();
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netgen3d(input_mesh_file,
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shape_file,
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hypo_file,
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element_orientation_file,
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new_element_file,
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output_mesh,
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output_mesh_file,
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nbThreads);
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auto end = std::chrono::high_resolution_clock::now();
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auto elapsed = std::chrono::duration_cast<std::chrono::nanoseconds>(end - begin);
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std::cout << "Time elapsed: " << elapsed.count()*1e-9 << std::endl;
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} else if (mesher=="NETGEN2D"){
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netgen2d(input_mesh_file,
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shape_file,
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hypo_file,
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element_orientation_file,
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new_element_file,
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output_mesh,
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output_mesh_file);
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} else {
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std::cerr << "Unknown mesher:" << mesher << std::endl;
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}
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return 0;
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}
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