NETGENPlugin_Mesher.hxx
NETGENPlugin_Remesher_2D.hxx
NETGENPlugin_Defs.hxx
- NETGENPlugin_Provider.hxx
- netgen_param.hxx
- netgen_mesher.hxx
+ NETGENPlugin_DriverParam.hxx
+ NETGENPlugin_Runner.hxx
)
# --- sources ---
NETGENPlugin_SimpleHypothesis_3D_i.cxx
NETGENPlugin_Remesher_2D.cxx
NETGENPlugin_i.cxx
- netgen_mesher.cxx
- netgen_param.cxx
+ NETGENPlugin_Runner.cxx
+ NETGENPlugin_DriverParam.cxx
)
-SET(Run_Mesher_SOURCES
- run_mesher.cxx
+SET(NetgenRunner_SOURCES
+ NETGENPlugin_Runner_main.cxx
)
# --- scripts ---
TARGET_LINK_LIBRARIES(NETGENEngine ${_link_LIBRARIES} )
INSTALL(TARGETS NETGENEngine EXPORT ${PROJECT_NAME}TargetGroup DESTINATION ${SALOME_INSTALL_LIBS})
-ADD_EXECUTABLE(run_mesher ${Run_Mesher_SOURCES})
-TARGET_LINK_LIBRARIES(run_mesher ${_link_LIBRARIES} NETGENEngine )
-INSTALL(TARGETS run_mesher EXPORT ${PROJECT_NAME}TargetGroup DESTINATION ${SALOME_INSTALL_BINS})
+ADD_EXECUTABLE(NETGENPlugin_Runner ${NetgenRunner_SOURCES})
+TARGET_LINK_LIBRARIES(NETGENPlugin_Runner ${_link_LIBRARIES} NETGENEngine )
+INSTALL(TARGETS NETGENPlugin_Runner EXPORT ${PROJECT_NAME}TargetGroup DESTINATION ${SALOME_INSTALL_BINS})
INSTALL(FILES ${NETGENEngine_HEADERS} DESTINATION ${SALOME_INSTALL_HEADERS})
--- /dev/null
+// Copyright (C) 2007-2021 CEA/DEN, EDF R&D, OPEN CASCADE
+//
+// Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
+// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
+//
+// This library 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 2.1 of the License, or (at your option) any later version.
+//
+// This library 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 this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+//
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+//
+
+// File : NETGENPlugin_DriverParam.hxx
+// Author : Yoann AUDOUIN, EDF
+// Module : NETGEN
+//
+#include "NETGENPlugin_DriverParam.hxx"
+
+#include <iostream>
+#include <fstream>
+#include <string>
+#include <cassert>
+
+
+// TODO: Error handling of read/write
+
+/**
+ * @brief Print content of a netgen_params
+ *
+ * @param aParams The object to display
+ */
+void printNetgenParams(netgen_params& aParams){
+ // TODO: prettier print
+ // TODO: Add call to print in log
+ std::cout << "has_netgen_param: " << aParams.has_netgen_param << std::endl;
+ std::cout << "maxh: " << aParams.maxh << std::endl;
+ std::cout << "minh: " << aParams.minh << std::endl;
+ std::cout << "segmentsperedge: " << aParams.segmentsperedge << std::endl;
+ std::cout << "grading: " << aParams.grading << std::endl;
+ std::cout << "curvaturesafety: " << aParams.curvaturesafety << std::endl;
+ std::cout << "secondorder: " << aParams.secondorder << std::endl;
+ std::cout << "quad: " << aParams.quad << std::endl;
+ std::cout << "optimize: " << aParams.optimize << std::endl;
+ std::cout << "fineness: " << aParams.fineness << std::endl;
+ std::cout << "uselocalh: " << aParams.uselocalh << std::endl;
+ std::cout << "merge_solids: " << aParams.merge_solids << std::endl;
+ std::cout << "chordalError: " << aParams.chordalError << std::endl;
+ std::cout << "optsteps2d: " << aParams.optsteps2d << std::endl;
+ std::cout << "optsteps3d: " << aParams.optsteps3d << std::endl;
+ std::cout << "elsizeweight: " << aParams.elsizeweight << std::endl;
+ std::cout << "opterrpow: " << aParams.opterrpow << std::endl;
+ std::cout << "delaunay: " << aParams.delaunay << std::endl;
+ std::cout << "checkoverlap: " << aParams.checkoverlap << std::endl;
+ std::cout << "checkchartboundary: " << aParams.checkchartboundary << std::endl;
+ std::cout << "closeedgefac: " << aParams.closeedgefac << std::endl;
+ std::cout << "has_local_size: " << aParams.has_local_size << std::endl;
+ std::cout << "meshsizefilename: " << aParams.meshsizefilename << std::endl;
+ std::cout << "has_maxelementvolume_hyp: " << aParams.has_maxelementvolume_hyp << std::endl;
+ std::cout << "maxElementVolume: " << aParams.maxElementVolume << std::endl;
+ std::cout << "has_LengthFromEdges_hyp: " << aParams.has_LengthFromEdges_hyp << std::endl;
+}
+
+/**
+ * @brief Import a param_file into a netgen_params structure
+ *
+ * @param param_file Name of the file
+ * @param aParams Structure to fill
+ */
+void importNetgenParams(const std::string param_file, netgen_params& aParams){
+ std::ifstream myfile(param_file);
+ std::string line;
+
+ std::getline(myfile, line);
+ aParams.has_netgen_param = std::stoi(line);
+ std::getline(myfile, line);
+ aParams.maxh = std::stod(line);
+ std::getline(myfile, line);
+ aParams.minh = std::stod(line);
+ std::getline(myfile, line);
+ aParams.segmentsperedge = std::stod(line);
+ std::getline(myfile, line);
+ aParams.grading = std::stod(line);
+ std::getline(myfile, line);
+ aParams.curvaturesafety = std::stod(line);
+ std::getline(myfile, line);
+ aParams.secondorder = std::stoi(line);
+ std::getline(myfile, line);
+ aParams.quad = std::stoi(line);
+ std::getline(myfile, line);
+ aParams.optimize = std::stoi(line);
+ std::getline(myfile, line);
+ aParams.fineness = std::stoi(line);
+ std::getline(myfile, line);
+ aParams.uselocalh = std::stoi(line);
+ std::getline(myfile, line);
+ aParams.merge_solids = std::stoi(line);
+ std::getline(myfile, line);
+ aParams.chordalError = std::stod(line);
+ std::getline(myfile, line);
+ aParams.optsteps2d = std::stoi(line);
+ std::getline(myfile, line);
+ aParams.optsteps3d = std::stoi(line);
+ std::getline(myfile, line);
+ aParams.elsizeweight = std::stod(line);
+ std::getline(myfile, line);
+ aParams.opterrpow = std::stoi(line);
+ std::getline(myfile, line);
+ aParams.delaunay = std::stoi(line);
+ std::getline(myfile, line);
+ aParams.checkoverlap = std::stoi(line);
+ std::getline(myfile, line);
+ aParams.checkchartboundary = std::stoi(line);
+ std::getline(myfile, line);
+ aParams.closeedgefac = std::stoi(line);
+ std::getline(myfile, line);
+ aParams.has_local_size = std::stoi(line);
+ std::getline(myfile, line);
+ aParams.meshsizefilename = line;
+ std::getline(myfile, line);
+ aParams.has_maxelementvolume_hyp = std::stoi(line);
+ std::getline(myfile, line);
+ aParams.maxElementVolume = std::stod(line);
+ std::getline(myfile, line);
+ aParams.maxElementVolume = std::stoi(line);
+
+ myfile.close();
+};
+
+/**
+ * @brief Writes the content of a netgen_param into a file
+ *
+ * @param param_file the file
+ * @param aParams the object
+ */
+void exportNetgenParams(const std::string param_file, netgen_params& aParams){
+ std::ofstream myfile(param_file);
+ myfile << aParams.has_netgen_param << std::endl;
+ myfile << aParams.maxh << std::endl;
+ myfile << aParams.minh << std::endl;
+ myfile << aParams.segmentsperedge << std::endl;
+ myfile << aParams.grading << std::endl;
+ myfile << aParams.curvaturesafety << std::endl;
+ myfile << aParams.secondorder << std::endl;
+ myfile << aParams.quad << std::endl;
+ myfile << aParams.optimize << std::endl;
+ myfile << aParams.fineness << std::endl;
+ myfile << aParams.uselocalh << std::endl;
+ myfile << aParams.merge_solids << std::endl;
+ myfile << aParams.chordalError << std::endl;
+ myfile << aParams.optsteps2d << std::endl;
+ myfile << aParams.optsteps3d << std::endl;
+ myfile << aParams.elsizeweight << std::endl;
+ myfile << aParams.opterrpow << std::endl;
+ myfile << aParams.delaunay << std::endl;
+ myfile << aParams.checkoverlap << std::endl;
+ myfile << aParams.checkchartboundary << std::endl;
+ myfile << aParams.closeedgefac << std::endl;
+ myfile << aParams.has_local_size << std::endl;
+ myfile << aParams.meshsizefilename << std::endl;
+ myfile << aParams.has_maxelementvolume_hyp << std::endl;
+ myfile << aParams.maxElementVolume << std::endl;
+ myfile << aParams.has_LengthFromEdges_hyp << std::endl;
+
+ myfile.close();
+};
+
+/**
+ * @brief Compares two netgen_parms object
+ *
+ * @param params1 Object 1
+ * @param params2 Object 2
+
+ * @return true if the two object are identical
+ */
+bool diffNetgenParams(netgen_params params1, netgen_params params2){
+ bool ret = true;
+ ret &= params1.maxh == params2.maxh;
+ ret &= params1.minh == params2.minh;
+ ret &= params1.segmentsperedge == params2.segmentsperedge;
+ ret &= params1.grading == params2.grading;
+ ret &= params1.curvaturesafety == params2.curvaturesafety;
+ ret &= params1.secondorder == params2.secondorder;
+ ret &= params1.quad == params2.quad;
+ ret &= params1.optimize == params2.optimize;
+ ret &= params1.fineness == params2.fineness;
+ ret &= params1.uselocalh == params2.uselocalh;
+ ret &= params1.merge_solids == params2.merge_solids;
+ ret &= params1.chordalError == params2.chordalError;
+ ret &= params1.optsteps2d == params2.optsteps2d;
+ ret &= params1.optsteps3d == params2.optsteps3d;
+ ret &= params1.elsizeweight == params2.elsizeweight;
+ ret &= params1.opterrpow == params2.opterrpow;
+ ret &= params1.delaunay == params2.delaunay;
+ ret &= params1.checkoverlap == params2.checkoverlap;
+ ret &= params1.checkchartboundary == params2.checkchartboundary;
+ ret &= params1.closeedgefac == params2.closeedgefac;
+ ret &= params1.has_local_size == params2.has_local_size;
+ ret &= params1.meshsizefilename == params2.meshsizefilename;
+ ret &= params1.has_maxelementvolume_hyp == params2.has_maxelementvolume_hyp;
+ ret &= params1.maxElementVolume == params2.maxElementVolume;
+ ret &= params1.has_LengthFromEdges_hyp == params2.has_LengthFromEdges_hyp;
+
+ return ret;
+}
--- /dev/null
+// Copyright (C) 2007-2021 CEA/DEN, EDF R&D, OPEN CASCADE
+//
+// Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
+// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
+//
+// This library 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 2.1 of the License, or (at your option) any later version.
+//
+// This library 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 this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+//
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+//
+
+// File : NETGENPlugin_DriverParam.hxx
+// Author : Yoann AUDOUIN, EDF
+// Module : NETGEN
+//
+
+#ifndef _NETGENPLUGIN_DRIVERPARAM_HXX_
+#define _NETGENPLUGIN_DRIVERPARAM_HXX_
+
+#include <string>
+
+class NETGENPlugin_Hypothesis;
+class StdMeshers_MaxElementVolume;
+class StdMeshers_ViscousLayers;
+
+struct netgen_params{
+ // Params from NETGENPlugin_Mesher
+ // True if _hypParameters is not null
+ bool has_netgen_param=true;
+ double maxh;
+ double minh;
+ double segmentsperedge;
+ double grading;
+ double curvaturesafety;
+ int secondorder;
+ int quad;
+ bool optimize;
+ int fineness;
+ bool uselocalh;
+ bool merge_solids;
+ double chordalError;
+ int optsteps2d;
+ int optsteps3d;
+ double elsizeweight;
+ int opterrpow;
+ bool delaunay;
+ bool checkoverlap;
+ bool checkchartboundary;
+ int closeedgefac;
+
+
+ // TODO: add localsize (pass through local size file ?)
+ // True if we have a mesh size file or local size info
+ bool has_local_size = false;
+ std::string meshsizefilename;
+
+ // Params from NETGEN3D
+ // True if _hypMaxElementVolume is not null
+ bool has_maxelementvolume_hyp=false;
+ double maxElementVolume=0.0;
+
+ // to replace
+ //NETGENPlugin_Hypothesis * _hypParameters=nullptr;
+ // to remove ?
+ StdMeshers_MaxElementVolume* _hypMaxElementVolume=nullptr;
+ // to remove ?
+ StdMeshers_ViscousLayers* _viscousLayersHyp=nullptr;
+ //double _progressByTic;
+ bool _quadraticMesh=false;
+
+ // Params from NETGEN2D
+ bool has_LengthFromEdges_hyp=false;
+
+ // Number of threads for the mesher
+ int nbThreads;
+};
+
+void printNetgenParams(netgen_params& aParams);
+
+void importNetgenParams(const std::string param_file, netgen_params& aParams);
+void exportNetgenParams(const std::string param_file, netgen_params& aParams);
+
+bool diffNetgenParams(netgen_params params1, netgen_params params2);
+
+#endif
\ No newline at end of file
#include "NETGENPlugin_Mesher.hxx"
#include "NETGENPlugin_Hypothesis_2D.hxx"
-#include "NETGENPlugin_Provider.hxx"
-#include "netgen_param.hxx"
+#include "NETGENPlugin_DriverParam.hxx"
#include <SMDS_MeshElement.hxx>
#include <SMDS_MeshNode.hxx>
#include <StdMeshers_MaxElementArea.hxx>
#include <StdMeshers_QuadranglePreference.hxx>
#include <StdMeshers_ViscousLayers2D.hxx>
-#include "DriverStep.hxx"
-#include "DriverMesh.hxx"
+#include "SMESH_DriverStep.hxx"
+#include "SMESH_DriverMesh.hxx"
#include <Precision.hxx>
fs::path output_mesh_file=tmp_folder / fs::path("output_mesh.med");
fs::path shape_file=tmp_folder / fs::path("shape.step");
fs::path param_file=tmp_folder / fs::path("netgen2d_param.txt");
- fs::path log_file=tmp_folder / fs::path("run_mesher.log");
+ fs::path log_file=tmp_folder / fs::path("run.log");
//TODO: Handle variable mesh_name
std::string mesh_name = "Maillage_1";
//Writing Shape
- export_shape(shape_file.string(), aShape);
+ exportShape(shape_file.string(), aShape);
//Writing hypo
netgen_params aParams;
FillParameters(_hypParameters, aParams);
- export_netgen_params(param_file.string(), aParams);
+ exportNetgenParams(param_file.string(), aParams);
// Exporting element orientation
exportElementOrientation(aMesh, aShape, aParams, element_orientation_file.string());
fs::path(std::getenv("NETGENPLUGIN_ROOT_DIR"))/
fs::path("bin")/
fs::path("salome")/
- fs::path("run_mesher");
+ fs::path("NETGENPlugin_Runner");
cmd = run_mesher_exe.string() +
" NETGEN2D " + mesh_file.string() + " "
+ shape_file.string() + " "
#include "NETGENPlugin_Hypothesis.hxx"
-#include "DriverStep.hxx"
-#include "DriverMesh.hxx"
-#include "netgen_param.hxx"
+#include "NETGENPlugin_DriverParam.hxx"
#include <SMDS_MeshElement.hxx>
#include <SMDS_MeshNode.hxx>
#include <StdMeshers_QuadToTriaAdaptor.hxx>
#include <StdMeshers_ViscousLayers.hxx>
#include <SMESH_subMesh.hxx>
+#include <SMESH_DriverStep.hxx>
+#include <SMESH_DriverMesh.hxx>
+
#include <BRepGProp.hxx>
#include <BRep_Tool.hxx>
}
-void NETGENPlugin_NETGEN_3D::FillParameters(const NETGENPlugin_Hypothesis* hyp, netgen_params &aParams)
+void NETGENPlugin_NETGEN_3D::fillParameters(const NETGENPlugin_Hypothesis* hyp, netgen_params &aParams)
{
aParams.maxh = hyp->GetMaxSize();
aParams.minh = hyp->GetMinSize();
fs::path output_mesh_file=tmp_folder / fs::path("output_mesh.med");
fs::path shape_file=tmp_folder / fs::path("shape.step");
fs::path param_file=tmp_folder / fs::path("netgen3d_param.txt");
- fs::path log_file=tmp_folder / fs::path("run_mesher.log");
+ fs::path log_file=tmp_folder / fs::path("run.log");
//TODO: Handle variable mesh_name
std::string mesh_name = "Maillage_1";
//Writing Shape
- export_shape(shape_file.string(), aShape);
+ exportShape(shape_file.string(), aShape);
auto time2 = std::chrono::high_resolution_clock::now();
elapsed = std::chrono::duration_cast<std::chrono::nanoseconds>(time2-time1);
- std::cout << "Time for export_shape: " << elapsed.count() * 1e-9 << std::endl;
+ std::cout << "Time for exportShape: " << elapsed.count() * 1e-9 << std::endl;
//Writing hypo
netgen_params aParams;
- FillParameters(_hypParameters, aParams);
+ fillParameters(_hypParameters, aParams);
- export_netgen_params(param_file.string(), aParams);
+ exportNetgenParams(param_file.string(), aParams);
auto time3 = std::chrono::high_resolution_clock::now();
elapsed = std::chrono::duration_cast<std::chrono::nanoseconds>(time3-time2);
std::cout << "Time for fill+export param: " << elapsed.count() * 1e-9 << std::endl;
exportElementOrientation(aMesh, aShape, aParams, element_orientation_file.string());
auto time4 = std::chrono::high_resolution_clock::now();
elapsed = std::chrono::duration_cast<std::chrono::nanoseconds>(time4-time3);
- std::cout << "Time for exportElemnOrient: " << elapsed.count() * 1e-9 << std::endl;
+ std::cout << "Time for exportElemOrient: " << elapsed.count() * 1e-9 << std::endl;
aMesh.Unlock();
// Calling run_mesher
fs::path(std::getenv("NETGENPLUGIN_ROOT_DIR"))/
fs::path("bin")/
fs::path("salome")/
- fs::path("run_mesher");
+ fs::path("NETGENPlugin_Runner");
cmd = run_mesher_exe.string() +
" NETGEN3D " + mesh_file.string() + " "
+ shape_file.string() + " "
+ element_orientation_file.string() + " "
+ std::to_string(aMesh.GetMesherNbThreads()) + " "
+ new_element_file.string() + " "
- + std::to_string(0) + " "
- + output_mesh_file.string() +
+ + "NONE" +
" >> " + log_file.string();
//std::cout << "Running command: " << std::endl;
#ifndef _NETGENPlugin_NETGEN_3D_HXX_
#define _NETGENPlugin_NETGEN_3D_HXX_
-#include "NETGENPlugin_Provider.hxx"
#include "NETGENPlugin_Defs.hxx"
#include "NETGENPlugin_Mesher.hxx"
netgen_params& aParams,
const std::string output_file);
- void FillParameters(const NETGENPlugin_Hypothesis* hyp,
+ void fillParameters(const NETGENPlugin_Hypothesis* hyp,
netgen_params &aParams);
int RemoteCompute(SMESH_Mesh& aMesh,
+++ /dev/null
-// Copyright (C) 2007-2021 CEA/DEN, EDF R&D, OPEN CASCADE
-//
-// This library 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 2.1 of the License, or (at your option) any later version.
-//
-// This library 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 this library; if not, write to the Free Software
-// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-//
-// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
-//
-
-// File : NETGENPlugin_Provider.hxx
-// Author : Yoann AUDOUIN (EDF)
-// Project : SALOME
-//
-#ifndef _NETGENPlugin_Provider_HXX_
-#define _NETGENPlugin_Provider_HXX_
-
-#include <iostream>
-#include <thread>
-#include <array>
-#include <vector>
-#include <unistd.h>
-#include <mutex>
-
-namespace nglib {
-#include <nglib.h>
-}
-#ifndef OCCGEOMETRY
-#define OCCGEOMETRY
-#endif
-#include <occgeom.hpp>
-#include <meshing.hpp>
-
-template<class T, int NDATA>
-class ProviderPtr{
- public:
-
- ProviderPtr(){
- for(int i=0;i<NDATA;i++){
- this->_mydata[i] = nullptr;
- this->_useddata[i] = false;
- }
- }
-
- int take(T** data){
-
- this->_mymutex.lock();
- *data = nullptr;
- for(int i=0;i<NDATA;i++){
- if(!this->_useddata[i]){
- if (this->_mydata[i] == nullptr)
- this->_mydata[i] = new T();
- this->_useddata[i] = true;
- *data = this->_mydata[i];
- this->_mymutex.unlock();
- return i;
- }
- }
- this->_mymutex.unlock();
- return -1;
- };
-
-
- bool release(int i, bool clean){
-
- this->_mymutex.lock();
-
- if(clean){
- delete this->_mydata[i];
- this->_mydata[i] = nullptr;
- }
-
- this->_useddata[i] = false;
-
- this->_mymutex.unlock();
-
- return true;
- };
-
- void dump(){
- std::cout << "Dumping provider:" << std::endl;
- for(int i=0;i<NDATA;i++){
- std::cout << " - " << i << " used: " << this->_useddata[i] << std::endl;
- std::cout << " - adress: " << this->_mydata[i] << std::endl;
- if (this->_mydata[i] != nullptr)
- std::cout << " - i: " << this->_mydata[i]->i << " d: " << this->_mydata[i]->d << std::endl;
- }
- };
-
- private:
- std::array<T*, NDATA> _mydata;
- std::array<bool, NDATA> _useddata;
- std::mutex _mymutex;
-
-};
-
-template<class T, int NDATA>
-class Provider{
- public:
-
- Provider() = default;
-
- int take(T& data){
-
- this->_mymutex.lock();
- for(int i=0;i<NDATA;i++){
- if(!this->_useddata[i]){
- this->_useddata[i] = true;
- data = this->_mydata[i];
- this->_mymutex.unlock();
- return i;
- }
- }
- this->_mymutex.unlock();
- return -1;
- };
-
-
- bool release(int i){
-
- this->_mymutex.lock();
- this->_useddata[i] = false;
- this->_mymutex.unlock();
-
- return true;
- };
-
- void dump(){
- std::cout << "Dumping provider:" << std::endl;
- for(int i=0;i<NDATA;i++){
- std::cout << " - " << i << " used: " << this->_useddata[i] << std::endl;
- std::cout << " - i: " << this->_mydata[i].i << " d: " << this->_mydata[i].d << std::endl;
- }
- };
-
- private:
- std::array<T, NDATA> _mydata;
- std::array<bool, NDATA> _useddata;
- std::mutex _mymutex;
-
-};
-
-#endif
\ No newline at end of file
--- /dev/null
+// Copyright (C) 2007-2021 CEA/DEN, EDF R&D, OPEN CASCADE
+//
+// Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
+// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
+//
+// This library 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 2.1 of the License, or (at your option) any later version.
+//
+// This library 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 this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+//
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+//
+
+// File : NETGENPlugin_Runner.cxx
+// Author : Yoann AUDOUIN, EDF
+// Module : SMESH
+//
+
+#include "NETGENPlugin_Runner.hxx"
+
+
+#include "NETGENPlugin_DriverParam.hxx"
+
+#include <fstream>
+#include <vector>
+#include <boost/filesystem.hpp>
+namespace fs = boost::filesystem;
+#include <chrono>
+
+// SMESH include
+#include <SMESH_Mesh.hxx>
+#include <SMESH_subMesh.hxx>
+#include <SMESH_Gen.hxx>
+#include <SMESH_Algo.hxx>
+#include <SMESHDS_Mesh.hxx>
+#include <SMESH_ControlsDef.hxx>
+#include <SMESH_Comment.hxx>
+#include <SMESH_ComputeError.hxx>
+#include <SMESH_MesherHelper.hxx>
+#include <StdMeshers_MaxElementVolume.hxx>
+#include <StdMeshers_QuadToTriaAdaptor.hxx>
+#include <StdMeshers_ViscousLayers.hxx>
+#include <StdMeshers_ViscousLayers2D.hxx>
+#include <SMESH_DriverStep.hxx>
+#include <SMESH_DriverMesh.hxx>
+
+
+// NETGENPlugin
+// #include <NETGENPlugin_Mesher.hxx>
+// #include <NETGENPlugin_Hypothesis.hxx>
+#include "NETGENPlugin_Mesher.hxx"
+#include "NETGENPlugin_Hypothesis.hxx"
+
+
+// OCC include
+#include <TopoDS.hxx>
+#include <BRepClass3d_SolidClassifier.hxx>
+#include <GProp_GProps.hxx>
+#include <BRepGProp.hxx>
+
+#include <Standard_Failure.hxx>
+#include <Standard_ErrorHandler.hxx>
+/*
+ Netgen include files
+*/
+
+#ifndef OCCGEOMETRY
+#define OCCGEOMETRY
+#endif
+#include <occgeom.hpp>
+#include <meshing.hpp>
+
+#ifdef NETGEN_V5
+#include <ngexception.hpp>
+#endif
+#ifdef NETGEN_V6
+#include <core/exception.hpp>
+#endif
+
+namespace nglib {
+#include <nglib.h>
+}
+namespace netgen {
+
+ NETGENPLUGIN_DLL_HEADER
+ extern MeshingParameters mparam;
+
+ NETGENPLUGIN_DLL_HEADER
+ extern volatile multithreadt multithread;
+
+ NETGENPLUGIN_DLL_HEADER
+ extern bool merge_solids;
+
+#ifdef NETGEN_V5
+ extern void OCCSetLocalMeshSize(OCCGeometry & geom, Mesh & mesh);
+#endif
+}
+using namespace nglib;
+
+int error(int error_type, std::string msg)
+{
+ std::cerr << msg << std::endl;
+ return error_type;
+};
+
+int error(const SMESH_Comment& comment)
+{
+ return error(1, "SMESH_Comment error: "+comment);
+};
+
+/**
+ * @brief Set the netgen parameters
+ *
+ * @param aParams Internal structure of parameters
+ * @param mparams Netgen strcuture of parameters
+ */
+void set_netgen_parameters(netgen_params& aParams)
+{
+
+ // Default parameters
+#ifdef NETGEN_V6
+
+ //netgen::mparam.nthreads = std::thread::hardware_concurrency();
+ netgen::mparam.nthreads = aParams.nbThreads;
+ netgen::mparam.parallel_meshing = aParams.nbThreads > 1;
+
+
+ if ( getenv( "SALOME_NETGEN_DISABLE_MULTITHREADING" ))
+ {
+ netgen::mparam.nthreads = 1;
+ netgen::mparam.parallel_meshing = false;
+ }
+
+#endif
+
+ // Initialize global NETGEN parameters:
+ netgen::mparam.maxh = aParams.maxh;
+ netgen::mparam.minh = aParams.minh;
+ netgen::mparam.segmentsperedge = aParams.segmentsperedge;
+ netgen::mparam.grading = aParams.grading;
+ netgen::mparam.curvaturesafety = aParams.curvaturesafety;
+ netgen::mparam.secondorder = aParams.secondorder;
+ netgen::mparam.quad = aParams.quad;
+ netgen::mparam.uselocalh = aParams.uselocalh;
+ netgen::merge_solids = aParams.merge_solids;
+ netgen::mparam.optsteps2d = aParams.optsteps2d;
+ netgen::mparam.optsteps3d = aParams.optsteps3d;
+ netgen::mparam.elsizeweight = aParams.elsizeweight;
+ netgen::mparam.opterrpow = aParams.opterrpow;
+ netgen::mparam.delaunay = aParams.delaunay;
+ netgen::mparam.checkoverlap = aParams.checkoverlap;
+ netgen::mparam.checkchartboundary = aParams.checkchartboundary;
+#ifdef NETGEN_V6
+ // std::string
+ netgen::mparam.meshsizefilename = aParams.meshsizefilename;
+ netgen::mparam.closeedgefac = aParams.closeedgefac;
+
+#else
+ // const char*
+ netgen::mparam.meshsizefilename= aParams.meshsizefilename.empty() ? 0 : aParams.meshsizefilename.c_str();
+#endif
+}
+
+/**
+ * @brief compute mesh with netgen3d
+ *
+ * @param input_mesh_file Input Mesh file
+ * @param shape_file Shape file
+ * @param hypo_file Parameter file
+ * @param new_element_file Binary file containing new nodes and new element info
+ * @param output_mesh If true will export mesh into output_mesh_file
+ * @param output_mesh_file Output Mesh file
+ *
+ * @return error code
+ */
+int netgen3d(const std::string input_mesh_file,
+ const std::string shape_file,
+ const std::string hypo_file,
+ const std::string element_orientation_file,
+ const std::string new_element_file,
+ const std::string output_mesh_file,
+ int nbThreads)
+{
+ auto time0 = std::chrono::high_resolution_clock::now();
+ // Importing mesh
+ SMESH_Gen gen;
+
+ SMESH_Mesh *myMesh = gen.CreateMesh(false);
+ //TODO: To define
+ std::string mesh_name = "Maillage_1";
+
+ importMesh(input_mesh_file, *myMesh, mesh_name);
+ auto time1 = std::chrono::high_resolution_clock::now();
+ auto elapsed = std::chrono::duration_cast<std::chrono::nanoseconds>(time1-time0);
+ std::cout << "Time for importMesh: " << elapsed.count() * 1e-9 << std::endl;
+
+ // Importing shape
+ TopoDS_Shape myShape;
+ importShape(shape_file, myShape);
+ auto time2 = std::chrono::high_resolution_clock::now();
+ elapsed = std::chrono::duration_cast<std::chrono::nanoseconds>(time2-time1);
+ std::cout << "Time for importShape: " << elapsed.count() * 1e-9 << std::endl;
+
+ // Importing hypothesis
+ netgen_params myParams;
+
+ importNetgenParams(hypo_file, myParams);
+ auto time3 = std::chrono::high_resolution_clock::now();
+ elapsed = std::chrono::duration_cast<std::chrono::nanoseconds>(time3-time2);
+ std::cout << "Time for import_netgen_param: " << elapsed.count() * 1e-9 << std::endl;
+ // Setting number of threads for netgen
+ myParams.nbThreads = nbThreads;
+
+ std::cout << "Meshing with netgen3d" << std::endl;
+ int ret = netgen3dInternal(myShape, *myMesh, myParams,
+ new_element_file, element_orientation_file,
+ !output_mesh_file.empty());
+
+
+ if(!ret){
+ std::cout << "Meshing failed" << std::endl;
+ return ret;
+ }
+
+ if(!output_mesh_file.empty()){
+ auto time4 = std::chrono::high_resolution_clock::now();
+ exportMesh(output_mesh_file, *myMesh, mesh_name);
+ auto time5 = std::chrono::high_resolution_clock::now();
+ elapsed = std::chrono::duration_cast<std::chrono::nanoseconds>(time5-time4);
+ std::cout << "Time for exportMesh: " << elapsed.count() * 1e-9 << std::endl;
+ }
+
+ return ret;
+}
+
+/**
+ * @brief Compute aShape within aMesh using netgen3d
+ *
+ * @param aShape the shape
+ * @param aMesh the mesh
+ * @param aParams the netgen parameters
+ * @param new_element_file file containing data on the new point/tetra added by netgen
+ * @param element_orientation_file file containing data on the orientation of each element to add to netgen
+ * @param output_mesh if true add element created by netgen into aMesh
+ *
+ * @return error code
+ */
+int netgen3dInternal(TopoDS_Shape &aShape, SMESH_Mesh& aMesh, netgen_params& aParams,
+ std::string new_element_file, std::string element_orientation_file,
+ bool output_mesh)
+{
+
+ auto time0 = std::chrono::high_resolution_clock::now();
+
+ netgen::multithread.terminate = 0;
+ netgen::multithread.task = "Volume meshing";
+
+ SMESHDS_Mesh* meshDS = aMesh.GetMeshDS();
+
+ SMESH_MesherHelper helper(aMesh);
+ aParams._quadraticMesh = helper.IsQuadraticSubMesh(aShape);
+ helper.SetElementsOnShape( true );
+
+ int Netgen_NbOfNodes = 0;
+ double Netgen_point[3];
+ int Netgen_triangle[3];
+
+ NETGENPlugin_NetgenLibWrapper ngLib;
+ Ng_Mesh * Netgen_mesh = (Ng_Mesh*)ngLib._ngMesh;
+
+ // vector of nodes in which node index == netgen ID
+ vector< const SMDS_MeshNode* > nodeVec;
+ {
+ const int invalid_ID = -1;
+
+ SMESH::Controls::Area areaControl;
+ SMESH::Controls::TSequenceOfXYZ nodesCoords;
+
+ // maps nodes to ng ID
+ typedef map< const SMDS_MeshNode*, int, TIDCompare > TNodeToIDMap;
+ typedef TNodeToIDMap::value_type TN2ID;
+ TNodeToIDMap nodeToNetgenID;
+
+ // find internal shapes
+ NETGENPlugin_Internals internals( aMesh, aShape, /*is3D=*/true );
+
+ // ---------------------------------
+ // Feed the Netgen with surface mesh
+ // ---------------------------------
+
+ TopAbs_ShapeEnum mainType = aMesh.GetShapeToMesh().ShapeType();
+ bool checkReverse = ( mainType == TopAbs_COMPOUND || mainType == TopAbs_COMPSOLID );
+
+ SMESH_ProxyMesh::Ptr proxyMesh( new SMESH_ProxyMesh( aMesh ));
+ if ( aParams._viscousLayersHyp )
+ {
+ netgen::multithread.percent = 3;
+ proxyMesh = aParams._viscousLayersHyp->Compute( aMesh, aShape );
+ if ( !proxyMesh )
+ return false;
+ }
+ if ( aMesh.NbQuadrangles() > 0 )
+ {
+ netgen::multithread.percent = 6;
+ StdMeshers_QuadToTriaAdaptor* Adaptor = new StdMeshers_QuadToTriaAdaptor;
+ Adaptor->Compute(aMesh,aShape,proxyMesh.get());
+ proxyMesh.reset( Adaptor );
+ }
+
+ // Get list of elements + their orientation from element_orientation file
+ std::map<vtkIdType, bool> elemOrientation;
+ {
+ // Setting all element orientation to false if there no element orientation file
+ if(element_orientation_file.empty()){
+ SMDS_ElemIteratorPtr iteratorElem = meshDS->elementsIterator(SMDSAbs_Face);
+ while ( iteratorElem->more() ) // loop on elements on a geom face
+ {
+ // check mesh face
+ const SMDS_MeshElement* elem = iteratorElem->next();
+ elemOrientation[elem->GetID()] = false;
+ }
+ } else {
+ std::ifstream df(element_orientation_file, ios::binary|ios::in);
+ int nbElement;
+ bool orient;
+
+ // Warning of the use of vtkIdType (I had issue when run_mesher was compiled with internal vtk) and salome not
+ // Sizeof was the same but how he othered the type was different
+ // Maybe using another type (uint64_t) instead would be better
+ vtkIdType id;
+ df.read((char*)&nbElement, sizeof(int));
+
+ for(int ielem=0;ielem<nbElement;++ielem){
+ df.read((char*) &id, sizeof(vtkIdType));
+ df.read((char*) &orient, sizeof(bool));
+ elemOrientation[id] = orient;
+ }
+ }
+ }
+
+ // Adding elements from Mesh
+ SMDS_ElemIteratorPtr iteratorElem = meshDS->elementsIterator(SMDSAbs_Face);
+ bool isRev;
+ bool isInternalFace = false;
+
+ bool isIn;
+
+ while ( iteratorElem->more() ) // loop on elements on a geom face
+ {
+ // check mesh face
+ const SMDS_MeshElement* elem = iteratorElem->next();
+ if ( !elem )
+ return error( COMPERR_BAD_INPUT_MESH, "Null element encounters");
+ if ( elem->NbCornerNodes() != 3 )
+ return error( COMPERR_BAD_INPUT_MESH, "Not triangle element encounters");
+
+ // Keeping only element that are in the element orientation file
+ isIn = elemOrientation.count(elem->GetID())==1;
+
+ if(!isIn)
+ continue;
+
+ // Get orientation
+ // Netgen requires that all the triangle point outside
+ isRev = elemOrientation[elem->GetID()];
+
+ // Add nodes of triangles and triangles them-selves to netgen mesh
+
+ // add three nodes of triangle
+ bool hasDegen = false;
+ for ( int iN = 0; iN < 3; ++iN )
+ {
+ const SMDS_MeshNode* node = elem->GetNode( iN );
+ const int shapeID = node->getshapeId();
+ if ( node->GetPosition()->GetTypeOfPosition() == SMDS_TOP_EDGE &&
+ helper.IsDegenShape( shapeID ))
+ {
+ // ignore all nodes on degeneraged edge and use node on its vertex instead
+ TopoDS_Shape vertex = TopoDS_Iterator( meshDS->IndexToShape( shapeID )).Value();
+ node = SMESH_Algo::VertexNode( TopoDS::Vertex( vertex ), meshDS );
+ hasDegen = true;
+ }
+ int& ngID = nodeToNetgenID.insert(TN2ID( node, invalid_ID )).first->second;
+ if ( ngID == invalid_ID )
+ {
+ ngID = ++Netgen_NbOfNodes;
+ Netgen_point [ 0 ] = node->X();
+ Netgen_point [ 1 ] = node->Y();
+ Netgen_point [ 2 ] = node->Z();
+ Ng_AddPoint(Netgen_mesh, Netgen_point);
+ }
+
+ Netgen_triangle[ isRev ? 2-iN : iN ] = ngID;
+ }
+ // add triangle
+ if ( hasDegen && (Netgen_triangle[0] == Netgen_triangle[1] ||
+ Netgen_triangle[0] == Netgen_triangle[2] ||
+ Netgen_triangle[2] == Netgen_triangle[1] ))
+ continue;
+
+ Ng_AddSurfaceElement(Netgen_mesh, NG_TRIG, Netgen_triangle);
+
+ // TODO: Handle that case (quadrangle 2D) (isInternal is set to false)
+ if ( isInternalFace && !proxyMesh->IsTemporary( elem ))
+ {
+ swap( Netgen_triangle[1], Netgen_triangle[2] );
+ Ng_AddSurfaceElement(Netgen_mesh, NG_TRIG, Netgen_triangle);
+ }
+ }
+
+ // insert old nodes into nodeVec
+ nodeVec.resize( nodeToNetgenID.size() + 1, 0 );
+ TNodeToIDMap::iterator n_id = nodeToNetgenID.begin();
+ for ( ; n_id != nodeToNetgenID.end(); ++n_id )
+ nodeVec[ n_id->second ] = n_id->first;
+ nodeToNetgenID.clear();
+
+ // TODO: Handle internal vertex
+ //if ( internals.hasInternalVertexInSolid() )
+ //{
+ // netgen::OCCGeometry occgeo;
+ // NETGENPlugin_Mesher::AddIntVerticesInSolids( occgeo,
+ // (netgen::Mesh&) *Netgen_mesh,
+ // nodeVec,
+ // internals);
+ //}
+ }
+ auto time1 = std::chrono::high_resolution_clock::now();
+ auto elapsed = std::chrono::duration_cast<std::chrono::nanoseconds>(time1-time0);
+ std::cout << "Time for fill_in_ngmesh: " << elapsed.count() * 1e-9 << std::endl;
+
+ // -------------------------
+ // Generate the volume mesh
+ // -------------------------
+ netgen::multithread.terminate = 0;
+
+ netgen::Mesh* ngMesh = ngLib._ngMesh;
+ Netgen_mesh = ngLib.ngMesh();
+ Netgen_NbOfNodes = Ng_GetNP( Netgen_mesh );
+
+
+ int startWith = netgen::MESHCONST_MESHVOLUME;
+ int endWith = netgen::MESHCONST_OPTVOLUME;
+ int err = 1;
+
+ NETGENPlugin_Mesher aMesher( &aMesh, helper.GetSubShape(), /*isVolume=*/true );
+ netgen::OCCGeometry occgeo;
+ set_netgen_parameters(aParams);
+
+ if ( aParams.has_netgen_param )
+ {
+ if ( aParams.has_local_size)
+ {
+ if ( ! &ngMesh->LocalHFunction() )
+ {
+ netgen::Point3d pmin, pmax;
+ ngMesh->GetBox( pmin, pmax, 0 );
+ ngMesh->SetLocalH( pmin, pmax, aParams.grading );
+ }
+ aMesher.SetLocalSize( occgeo, *ngMesh );
+
+ try {
+ ngMesh->LoadLocalMeshSize( netgen::mparam.meshsizefilename );
+ } catch (netgen::NgException & ex) {
+ return error( COMPERR_BAD_PARMETERS, ex.What() );
+ }
+ }
+ if ( !aParams.optimize )
+ endWith = netgen::MESHCONST_MESHVOLUME;
+ }
+ else if ( aParams.has_maxelementvolume_hyp )
+ {
+ netgen::mparam.maxh = pow( 72, 1/6. ) * pow( aParams.maxElementVolume, 1/3. );
+ // limitVolumeSize( ngMesh, netgen::mparam.maxh ); // result is unpredictable
+ }
+ else if ( aMesh.HasShapeToMesh() )
+ {
+ aMesher.PrepareOCCgeometry( occgeo, helper.GetSubShape(), aMesh );
+ netgen::mparam.maxh = occgeo.GetBoundingBox().Diam()/2;
+ }
+ else
+ {
+ netgen::Point3d pmin, pmax;
+ ngMesh->GetBox (pmin, pmax);
+ netgen::mparam.maxh = Dist(pmin, pmax)/2;
+ }
+
+ if ( !aParams.has_netgen_param && aMesh.HasShapeToMesh() )
+ {
+ netgen::mparam.minh = aMesher.GetDefaultMinSize( helper.GetSubShape(), netgen::mparam.maxh );
+ }
+
+ try
+ {
+ OCC_CATCH_SIGNALS;
+
+ ngLib.CalcLocalH(ngMesh);
+ err = ngLib.GenerateMesh(occgeo, startWith, endWith, ngMesh);
+
+ if(netgen::multithread.terminate)
+ return false;
+ if ( err )
+ return error(SMESH_Comment("Error in netgen::OCCGenerateMesh() at ") << netgen::multithread.task);
+ }
+ catch (Standard_Failure& ex)
+ {
+ SMESH_Comment str("Exception in netgen::OCCGenerateMesh()");
+ str << " at " << netgen::multithread.task
+ << ": " << ex.DynamicType()->Name();
+ if ( ex.GetMessageString() && strlen( ex.GetMessageString() ))
+ str << ": " << ex.GetMessageString();
+ return error(str);
+ }
+ catch (netgen::NgException& exc)
+ {
+ SMESH_Comment str("NgException");
+ if ( strlen( netgen::multithread.task ) > 0 )
+ str << " at " << netgen::multithread.task;
+ str << ": " << exc.What();
+ return error(str);
+ }
+ catch (...)
+ {
+ SMESH_Comment str("Exception in netgen::OCCGenerateMesh()");
+ if ( strlen( netgen::multithread.task ) > 0 )
+ str << " at " << netgen::multithread.task;
+ return error(str);
+ }
+
+ int Netgen_NbOfNodesNew = Ng_GetNP(Netgen_mesh);
+ int Netgen_NbOfTetra = Ng_GetNE(Netgen_mesh);
+
+ // -------------------------------------------------------------------
+ // Feed back the SMESHDS with the generated Nodes and Volume Elements
+ // -------------------------------------------------------------------
+
+ if ( err )
+ {
+ SMESH_ComputeErrorPtr ce = NETGENPlugin_Mesher::ReadErrors(nodeVec);
+ if ( ce && ce->HasBadElems() )
+ return error( ce );
+ }
+ auto time2 = std::chrono::high_resolution_clock::now();
+ elapsed = std::chrono::duration_cast<std::chrono::nanoseconds>(time2-time1);
+ std::cout << "Time for netgen_compute: " << elapsed.count() * 1e-9 << std::endl;
+
+ bool isOK = ( /*status == NG_OK &&*/ Netgen_NbOfTetra > 0 );// get whatever built
+ if ( isOK && !new_element_file.empty() )
+ {
+ std::ofstream df(new_element_file, ios::out|ios::binary);
+
+ double Netgen_point[3];
+ int Netgen_tetrahedron[4];
+
+ // Writing nodevec (correspondence netgen numbering mesh numbering)
+ // Number of nodes
+ df.write((char*) &Netgen_NbOfNodes, sizeof(int));
+ df.write((char*) &Netgen_NbOfNodesNew, sizeof(int));
+ for (int nodeIndex = 1 ; nodeIndex <= Netgen_NbOfNodes; ++nodeIndex )
+ {
+ //Id of the point
+ int id = nodeVec.at(nodeIndex)->GetID();
+ df.write((char*) &id, sizeof(int));
+ }
+
+ // Writing info on new points
+ for (int nodeIndex = Netgen_NbOfNodes +1 ; nodeIndex <= Netgen_NbOfNodesNew; ++nodeIndex )
+ {
+ Ng_GetPoint(Netgen_mesh, nodeIndex, Netgen_point );
+ // Coordinates of the point
+ df.write((char *) &Netgen_point, sizeof(double)*3);
+ }
+
+ // create tetrahedrons
+ df.write((char*) &Netgen_NbOfTetra, sizeof(int));
+ for ( int elemIndex = 1; elemIndex <= Netgen_NbOfTetra; ++elemIndex )
+ {
+ Ng_GetVolumeElement(Netgen_mesh, elemIndex, Netgen_tetrahedron);
+ df.write((char*) &Netgen_tetrahedron, sizeof(int)*4);
+ }
+ }
+ auto time3 = std::chrono::high_resolution_clock::now();
+ elapsed = std::chrono::duration_cast<std::chrono::nanoseconds>(time3-time2);
+ std::cout << "Time for write_new_elem: " << elapsed.count() * 1e-9 << std::endl;
+
+
+ // Adding new elements in aMesh as well
+ if ( output_mesh )
+ {
+ double Netgen_point[3];
+ int Netgen_tetrahedron[4];
+
+ // create and insert new nodes into nodeVec
+ nodeVec.resize( Netgen_NbOfNodesNew + 1, 0 );
+ int nodeIndex = Netgen_NbOfNodes + 1;
+ for ( ; nodeIndex <= Netgen_NbOfNodesNew; ++nodeIndex )
+ {
+ Ng_GetPoint( Netgen_mesh, nodeIndex, Netgen_point );
+ nodeVec.at(nodeIndex) = helper.AddNode(Netgen_point[0],
+ Netgen_point[1],
+ Netgen_point[2]);
+ }
+
+ // create tetrahedrons
+ for ( int elemIndex = 1; elemIndex <= Netgen_NbOfTetra; ++elemIndex )
+ {
+ Ng_GetVolumeElement(Netgen_mesh, elemIndex, Netgen_tetrahedron);
+ try
+ {
+ helper.AddVolume (nodeVec.at( Netgen_tetrahedron[0] ),
+ nodeVec.at( Netgen_tetrahedron[1] ),
+ nodeVec.at( Netgen_tetrahedron[2] ),
+ nodeVec.at( Netgen_tetrahedron[3] ));
+ }
+ catch (...)
+ {
+ }
+ }
+ auto time4 = std::chrono::high_resolution_clock::now();
+ elapsed = std::chrono::duration_cast<std::chrono::nanoseconds>(time4-time3);
+ std::cout << "Time for add_element_to_smesh: " << elapsed.count() * 1e-9 << std::endl;
+
+ }
+
+ return !err;
+}
+
+/**
+ * @brief compute mesh with netgen2d
+ *
+ * @param input_mesh_file Input Mesh file
+ * @param shape_file Shape file
+ * @param hypo_file Parameter file
+ * @param new_element_file Binary file containing new nodes and new element info
+ * @param output_mesh If true will export mesh into output_mesh_file
+ * @param output_mesh_file Output Mesh file
+ *
+ * @return error code
+ */
+int netgen2d(const std::string input_mesh_file,
+ const std::string shape_file,
+ const std::string hypo_file,
+ const std::string element_orientation_file,
+ const std::string new_element_file,
+ const std::string output_mesh_file)
+{
+
+ // Importing mesh
+ SMESH_Gen gen;
+
+ SMESH_Mesh *myMesh = gen.CreateMesh(false);
+ //TODO: To define
+ std::string mesh_name = "Maillage_1";
+
+ importMesh(input_mesh_file, *myMesh, mesh_name);
+
+ // Importing shape
+ TopoDS_Shape myShape;
+ importShape(shape_file, myShape);
+
+ // Importing hypothesis
+ netgen_params myParams;
+
+ importNetgenParams(hypo_file, myParams);
+
+ std::cout << "Meshing with netgen3d" << std::endl;
+ int ret = netgen2dInternal(myShape, *myMesh, myParams,
+ new_element_file, element_orientation_file,
+ !output_mesh_file.empty());
+
+ if(!ret){
+ std::cout << "Meshing failed" << std::endl;
+ return ret;
+ }
+
+ if(!output_mesh_file.empty())
+ exportMesh(output_mesh_file, *myMesh, mesh_name);
+
+ return ret;
+}
+
+
+// TODO: Not working properly
+/**
+ * @brief Compute aShape within aMesh using netgen2d
+ *
+ * @param aShape the shape
+ * @param aMesh the mesh
+ * @param aParams the netgen parameters
+ * @param new_element_file file containing data on the new point/tetra added by netgen
+ *
+ * @return error code
+ */
+int netgen2dInternal(TopoDS_Shape &aShape, SMESH_Mesh& aMesh, netgen_params& aParams,
+ std::string new_element_file, std::string element_orientation_file,
+ bool output_mesh)
+{
+ netgen::multithread.terminate = 0;
+ netgen::multithread.task = "Surface meshing";
+
+ SMESHDS_Mesh* meshDS = aMesh.GetMeshDS();
+ SMESH_MesherHelper helper(aMesh);
+ helper.SetElementsOnShape( true );
+
+ NETGENPlugin_NetgenLibWrapper ngLib;
+ ngLib._isComputeOk = false;
+
+ netgen::Mesh ngMeshNoLocSize;
+ netgen::Mesh * ngMeshes[2] = { (netgen::Mesh*) ngLib._ngMesh, & ngMeshNoLocSize };
+ netgen::OCCGeometry occgeoComm;
+
+ std::map<vtkIdType, bool> elemOrientation;
+
+ typedef map< const SMDS_MeshNode*, int, TIDCompare > TNodeToIDMap;
+ typedef TNodeToIDMap::value_type TN2ID;
+ const int invalid_ID = -1;
+ int Netgen_NbOfNodes=0;
+ double Netgen_point[3];
+ int Netgen_segment[2];
+ int Netgen_triangle[3];
+
+ // min / max sizes are set as follows:
+ // if ( _hypParameters )
+ // min and max are defined by the user
+ // else if ( aParams.has_LengthFromEdges_hyp )
+ // min = aMesher.GetDefaultMinSize()
+ // max = average segment len of a FACE
+ // else if ( _hypMaxElementArea )
+ // min = aMesher.GetDefaultMinSize()
+ // max = f( _hypMaxElementArea )
+ // else
+ // min = aMesher.GetDefaultMinSize()
+ // max = max segment len of a FACE
+ NETGENPlugin_Mesher aMesher( &aMesh, aShape, /*isVolume=*/false);
+ set_netgen_parameters( aParams );
+ const bool toOptimize = aParams.optimize;
+ if ( aParams.has_maxelementvolume_hyp )
+ {
+ netgen::mparam.maxh = sqrt( 2. * aParams.maxElementVolume / sqrt(3.0) );
+ }
+ netgen::mparam.quad = aParams.quad;
+
+ // local size is common for all FACEs in aShape?
+ const bool isCommonLocalSize = ( !aParams.has_LengthFromEdges_hyp && !aParams.has_maxelementvolume_hyp && netgen::mparam.uselocalh );
+ const bool isDefaultHyp = ( !aParams.has_LengthFromEdges_hyp && !aParams.has_maxelementvolume_hyp && !aParams.has_netgen_param );
+
+
+ if ( isCommonLocalSize ) // compute common local size in ngMeshes[0]
+ {
+ //list< SMESH_subMesh* > meshedSM[4]; --> all sub-shapes are added to occgeoComm
+ aMesher.PrepareOCCgeometry( occgeoComm, aShape, aMesh );//, meshedSM );
+
+ // local size set at MESHCONST_ANALYSE step depends on
+ // minh, face_maxh, grading and curvaturesafety; find minh if not set by the user
+ if ( !aParams.has_netgen_param || netgen::mparam.minh < DBL_MIN )
+ {
+ if ( !aParams.has_netgen_param )
+ netgen::mparam.maxh = occgeoComm.GetBoundingBox().Diam() / 3.;
+ netgen::mparam.minh = aMesher.GetDefaultMinSize( aShape, netgen::mparam.maxh );
+ }
+ // set local size depending on curvature and NOT closeness of EDGEs
+#ifdef NETGEN_V6
+ const double factor = 2; //netgen::occparam.resthcloseedgefac;
+#else
+ const double factor = netgen::occparam.resthcloseedgefac;
+ netgen::occparam.resthcloseedgeenable = false;
+ netgen::occparam.resthcloseedgefac = 1.0 + netgen::mparam.grading;
+#endif
+ occgeoComm.face_maxh = netgen::mparam.maxh;
+#ifdef NETGEN_V6
+ netgen::OCCParameters occparam;
+ netgen::OCCSetLocalMeshSize( occgeoComm, *ngMeshes[0], netgen::mparam, occparam );
+#else
+ netgen::OCCSetLocalMeshSize( occgeoComm, *ngMeshes[0] );
+#endif
+ occgeoComm.emap.Clear();
+ occgeoComm.vmap.Clear();
+
+ // Reading list of element to integrate into netgen mesh
+ {
+ std::ifstream df(element_orientation_file, ios::in|ios::binary);
+ int nbElement;
+ vtkIdType id;
+ bool orient;
+ df.read((char*)&nbElement, sizeof(int));
+
+ for(int ielem=0;ielem<nbElement;++ielem){
+ df.read((char*) &id, sizeof(vtkIdType));
+ df.read((char*) &orient, sizeof(bool));
+ elemOrientation[id] = orient;
+ }
+ }
+
+ bool isIn;
+ // set local size according to size of existing segments
+ SMDS_ElemIteratorPtr iteratorElem = meshDS->elementsIterator(SMDSAbs_Edge);
+ while ( iteratorElem->more() ) // loop on elements on a geom face
+ {
+ const SMDS_MeshElement* seg = iteratorElem->next();
+ // Keeping only element that are in the element orientation file
+ isIn = elemOrientation.count(seg->GetID())==1;
+
+ if(!isIn)
+ continue;
+
+ SMESH_TNodeXYZ n1 = seg->GetNode(0);
+ SMESH_TNodeXYZ n2 = seg->GetNode(1);
+ gp_XYZ p = 0.5 * ( n1 + n2 );
+ netgen::Point3d pi(p.X(), p.Y(), p.Z());
+ ngMeshes[0]->RestrictLocalH( pi, factor * ( n1 - n2 ).Modulus() );
+ }
+
+ // set local size defined on shapes
+ aMesher.SetLocalSize( occgeoComm, *ngMeshes[0] );
+ aMesher.SetLocalSizeForChordalError( occgeoComm, *ngMeshes[0] );
+ try {
+ ngMeshes[0]->LoadLocalMeshSize( netgen::mparam.meshsizefilename );
+ } catch (netgen::NgException & ex) {
+ return error( COMPERR_BAD_PARMETERS, ex.What() );
+ }
+ }
+ netgen::mparam.uselocalh = toOptimize; // restore as it is used at surface optimization
+ // ==================
+ // Loop on all FACEs
+ // ==================
+
+ vector< const SMDS_MeshNode* > nodeVec;
+
+ // prepare occgeom
+ netgen::OCCGeometry occgeom;
+ occgeom.shape = aShape;
+ occgeom.fmap.Add( aShape );
+ occgeom.CalcBoundingBox();
+ occgeom.facemeshstatus.SetSize(1);
+ occgeom.facemeshstatus = 0;
+ occgeom.face_maxh_modified.SetSize(1);
+ occgeom.face_maxh_modified = 0;
+ occgeom.face_maxh.SetSize(1);
+ occgeom.face_maxh = netgen::mparam.maxh;
+
+ // -------------------------
+ // Fill netgen mesh
+ // -------------------------
+ // maps nodes to ng ID
+
+
+ // MESHCONST_ANALYSE step may lead to a failure, so we make an attempt
+ // w/o MESHCONST_ANALYSE at the second loop
+ int err = 0;
+ enum { LOC_SIZE, NO_LOC_SIZE };
+ int iLoop = isCommonLocalSize ? 0 : 1;
+ int faceID = occgeom.fmap.FindIndex(aShape);
+ int solidID = 0;
+ for ( ; iLoop < 2; iLoop++ )
+ {
+ //bool isMESHCONST_ANALYSE = false;
+ //TODO: check how to replace that
+ //InitComputeError();
+
+ netgen::Mesh * ngMesh = ngMeshes[ iLoop ];
+ ngMesh->DeleteMesh();
+
+ if ( iLoop == NO_LOC_SIZE )
+ {
+ ngMesh->SetGlobalH ( netgen::mparam.maxh );
+ ngMesh->SetMinimalH( netgen::mparam.minh );
+ netgen::Box<3> bb = occgeom.GetBoundingBox();
+ bb.Increase (bb.Diam()/10);
+ ngMesh->SetLocalH (bb.PMin(), bb.PMax(), netgen::mparam.grading);
+ aMesher.SetLocalSize( occgeom, *ngMesh );
+ aMesher.SetLocalSizeForChordalError( occgeoComm, *ngMesh );
+ try {
+ ngMesh->LoadLocalMeshSize( netgen::mparam.meshsizefilename );
+ } catch (netgen::NgException & ex) {
+ return error( COMPERR_BAD_PARMETERS, ex.What() );
+ }
+ }
+
+ TNodeToIDMap nodeToNetgenID;
+
+ nodeVec.clear();
+ ngMesh->AddFaceDescriptor( netgen::FaceDescriptor( faceID, solidID, solidID, 0 ));
+ // set local size according to size of existing segments
+ SMDS_ElemIteratorPtr iteratorElem = meshDS->elementsIterator(SMDSAbs_Edge);
+ while ( iteratorElem->more() ) // loop on elements on a geom face
+ {
+ const SMDS_MeshElement* elem = iteratorElem->next();
+ // Keeping only element that are in the element orientation file
+ bool isIn = elemOrientation.count(elem->GetID())==1;
+
+ if(!isIn)
+ continue;
+
+ bool isRev = elemOrientation[elem->GetID()];
+ std::cerr << isRev;
+
+
+
+ for ( int iN = 0; iN < 2; ++iN )
+ {
+ const SMDS_MeshNode* node = elem->GetNode( iN );
+ const int shapeID = node->getshapeId();
+ int& ngID = nodeToNetgenID.insert(TN2ID( node, invalid_ID )).first->second;
+ if ( ngID == invalid_ID )
+ {
+ ngID = ++Netgen_NbOfNodes;
+ Netgen_point [ 0 ] = node->X();
+ Netgen_point [ 1 ] = node->Y();
+ Netgen_point [ 2 ] = node->Z();
+ netgen::MeshPoint mp( netgen::Point<3> (node->X(), node->Y(), node->Z()) );
+ ngMesh->AddPoint ( mp, 1, netgen::EDGEPOINT );
+ }
+ Netgen_segment[ isRev ? 1-iN : iN ] = ngID;
+ }
+ // add segment
+
+ netgen::Segment seg;
+ seg[0] = Netgen_segment[0];
+ seg[1] = Netgen_segment[1];
+ seg.edgenr = ngMesh->GetNSeg() +1;
+ seg.si = faceID;
+
+ ngMesh->AddSegment(seg);
+ }
+ int nbNodes2 = ngMesh->GetNP();
+ int nseg = ngMesh->GetNSeg();
+
+ // insert old nodes into nodeVec
+ nodeVec.resize( nodeToNetgenID.size() + 1, 0 );
+ TNodeToIDMap::iterator n_id = nodeToNetgenID.begin();
+ for ( ; n_id != nodeToNetgenID.end(); ++n_id )
+ nodeVec[ n_id->second ] = n_id->first;
+ nodeToNetgenID.clear();
+
+
+ //if ( !isCommonLocalSize )
+ //limitSize( ngMesh, mparam.maxh * 0.8);
+
+ // -------------------------
+ // Generate surface mesh
+ // -------------------------
+
+ const int startWith = netgen::MESHCONST_MESHSURFACE;
+ const int endWith = toOptimize ? netgen::MESHCONST_OPTSURFACE : netgen::MESHCONST_MESHSURFACE;
+
+ SMESH_Comment str;
+ try {
+ OCC_CATCH_SIGNALS;
+ err = ngLib.GenerateMesh(occgeom, startWith, endWith, ngMesh);
+ if ( netgen::multithread.terminate )
+ return false;
+ if ( err )
+ str << "Error in netgen::OCCGenerateMesh() at " << netgen::multithread.task;
+ }
+ catch (Standard_Failure& ex)
+ {
+ err = 1;
+ str << "Exception in netgen::OCCGenerateMesh()"
+ << " at " << netgen::multithread.task
+ << ": " << ex.DynamicType()->Name();
+ if ( ex.GetMessageString() && strlen( ex.GetMessageString() ))
+ str << ": " << ex.GetMessageString();
+ }
+ catch (...) {
+ err = 1;
+ str << "Exception in netgen::OCCGenerateMesh()"
+ << " at " << netgen::multithread.task;
+ }
+ if ( err )
+ {
+ if ( iLoop == LOC_SIZE )
+ {
+ std::cout << "Need second run" << std::endl;
+ /*netgen::mparam.minh = netgen::mparam.maxh;
+ netgen::mparam.maxh = 0;
+ for ( size_t iW = 0; iW < wires.size(); ++iW )
+ {
+ StdMeshers_FaceSidePtr wire = wires[ iW ];
+ const vector<UVPtStruct>& uvPtVec = wire->GetUVPtStruct();
+ for ( size_t iP = 1; iP < uvPtVec.size(); ++iP )
+ {
+ SMESH_TNodeXYZ p( uvPtVec[ iP ].node );
+ netgen::Point3d np( p.X(),p.Y(),p.Z());
+ double segLen = p.Distance( uvPtVec[ iP-1 ].node );
+ double size = ngMesh->GetH( np );
+ netgen::mparam.minh = Min( netgen::mparam.minh, size );
+ netgen::mparam.maxh = Max( netgen::mparam.maxh, segLen );
+ }
+ }
+ //cerr << "min " << mparam.minh << " max " << mparam.maxh << endl;
+ netgen::mparam.minh *= 0.9;
+ netgen::mparam.maxh *= 1.1;
+ */
+ continue;
+ }
+ else
+ {
+ //faceErr.reset( new SMESH_ComputeError( COMPERR_ALGO_FAILED, str ));
+ }
+ }
+
+ // ----------------------------------------------------
+ // Fill the SMESHDS with the generated nodes and faces
+ // ----------------------------------------------------
+
+ if(output_mesh)
+ {
+ int nbNodes = ngMesh->GetNP();
+ int nbFaces = ngMesh->GetNSE();
+ std::cout << nbFaces << " " << nbNodes << std::endl;
+
+ int nbInputNodes = (int) nodeVec.size()-1;
+ nodeVec.resize( nbNodes+1, 0 );
+
+ // add nodes
+ for ( int ngID = nbInputNodes + 1; ngID <= nbNodes; ++ngID )
+ {
+ const netgen::MeshPoint& ngPoint = ngMesh->Point( ngID );
+ SMDS_MeshNode * node = meshDS->AddNode(ngPoint(0), ngPoint(1), ngPoint(2));
+ nodeVec[ ngID ] = node;
+ }
+
+ // create faces
+ int i,j;
+ for ( i = 1; i <= nbFaces ; ++i )
+ {
+ Ng_GetVolumeElement(ngLib.ngMesh(), i, Netgen_triangle);
+
+ helper.AddFace (nodeVec.at( Netgen_triangle[0] ),
+ nodeVec.at( Netgen_triangle[1] ),
+ nodeVec.at( Netgen_triangle[2] ));
+
+ }
+ } // output_mesh
+
+ break;
+ } // two attempts
+ //} // loop on FACEs
+
+ return true;
+
+}
--- /dev/null
+// Copyright (C) 2007-2021 CEA/DEN, EDF R&D, OPEN CASCADE
+//
+// Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
+// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
+//
+// This library 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 2.1 of the License, or (at your option) any later version.
+//
+// This library 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 this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+//
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+//
+
+// File : NETGENPlugin_Runner.hxx
+// Author : Yoann AUDOUIN, EDF
+// Module : NETGEN
+//
+
+#ifndef _NETGENPLUGIN_RUNNER_HXX_
+#define _NETGENPLUGIN_RUNNER_HXX_
+
+#include <string>
+#include <iostream>
+
+class TopoDS_Shape;
+class SMESH_Mesh;
+class SMESH_Comment;
+class netgen_params;
+
+int netgen2dInternal(TopoDS_Shape &aShape,
+ SMESH_Mesh& aMesh,
+ netgen_params& aParams,
+ std::string new_element_file,
+ std::string element_orientation_file,
+ bool output_mesh);
+int netgen2d(const std::string input_mesh_file,
+ const std::string shape_file,
+ const std::string hypo_file,
+ const std::string element_orientation_file,
+ const std::string new_element_file,
+ const std::string output_mesh_file);
+
+int netgen3dInternal(TopoDS_Shape &aShape,
+ SMESH_Mesh& aMesh,
+ netgen_params& aParams,
+ std::string new_element_file,
+ std::string element_orientation_file,
+ bool output_mesh);
+int netgen3d(const std::string input_mesh_file,
+ const std::string shape_file,
+ const std::string hypo_file,
+ const std::string element_orientation_file,
+ const std::string new_element_file,
+ const std::string output_mesh_file,
+ int nbThreads);
+
+//TODO: Tmp function replace by real error handling
+int error(int error_type, std::string msg);
+int error(const SMESH_Comment& comment);
+
+#endif
\ No newline at end of file
--- /dev/null
+// Copyright (C) 2007-2021 CEA/DEN, EDF R&D, OPEN CASCADE
+//
+// Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
+// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
+//
+// This library 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 2.1 of the License, or (at your option) any later version.
+//
+// This library 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 this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+//
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+//
+
+// File : NETGENplugin_Runnner_main.cxx
+// Author : Yoann AUDOUIN, EDF
+// Module : NETGEN
+//
+
+
+#include "NETGENPlugin_Runner.hxx"
+
+#include <stdio.h>
+#include <string.h>
+#include <iostream>
+#include <chrono>
+
+/**
+ * @brief Main function
+ *
+ * @param argc Number of arguments
+ * @param argv Arguments
+ *
+ * @return error code
+ */
+int main(int argc, char *argv[]){
+
+ if(argc!=9||(argc==2 && (strcmp(argv[1], "-h") == 0 || strcmp(argv[1], "--help")==0))){
+ std::cout << "Error in number of arguments "<< argc<<" given expected 8" <<std::endl;
+ std::cout << "Syntax:"<<std::endl;
+ std::cout << "run_mesher MESHER INPUT_MESH_FILE SHAPE_FILE HYPO_FILE" << std::endl;
+ std::cout << " ELEM_ORIENT_FILE NB_THREADS" << std::endl;
+ std::cout << " NEW_ELEMENT_FILE OUTPUT_MESH_FILE" << std::endl;
+ std::cout << std::endl;
+ std::cout << " Set argument to NONE to ignore them " << std::endl;
+ std::cout << std::endl;
+ std::cout << "Args:" << std::endl;
+ std::cout << " MESHER: mesher to use from (NETGEN3D, NETGEN2D)" << std::endl;
+ std::cout << " INPUT_MESH_FILE: MED File containing lower-dimension-elements already meshed" << std::endl;
+ std::cout << " SHAPE_FILE: STEP file containing the shape to mesh" << std::endl;
+ std::cout << " HYPO_FILE: Ascii file containint the list of parameters" << std::endl;
+ std::cout << " (optional) ELEM_ORIENT_FILE: binary file containing the list of element from INPUT_MESH_FILE associated to the shape and their orientation" << std::endl;
+ std::cout << " NB_THREADS: Number of thread to use for the mesher" << std::endl;
+ std::cout << " (optional) NEW_ELEMENT_FILE: (out) contains elements and nodes added by the meshing" << std::endl;
+ std::cout << " (optional) OUTPUT_MESH_FILE: (out) MED File containing the mesh after the run of the mesher" << std::endl;
+ return 0;
+ }
+ std::string mesher=argv[1];
+ std::string input_mesh_file=argv[2];
+ std::string shape_file=argv[3];
+ std::string hypo_file=argv[4];
+ std::string element_orientation_file=argv[5];
+ int nbThreads=std::stoi(argv[6]);
+ std::string new_element_file=argv[7];
+ std::string output_mesh_file=argv[8];
+
+ if (output_mesh_file == "NONE")
+ output_mesh_file = "";
+ if (element_orientation_file == "NONE")
+ element_orientation_file = "";
+ if (new_element_file == "NONE")
+ new_element_file = "";
+
+ if (mesher=="NETGEN3D"){
+ auto begin = std::chrono::high_resolution_clock::now();
+ netgen3d(input_mesh_file,
+ shape_file,
+ hypo_file,
+ element_orientation_file,
+ new_element_file,
+ output_mesh_file,
+ nbThreads);
+ auto end = std::chrono::high_resolution_clock::now();
+ auto elapsed = std::chrono::duration_cast<std::chrono::nanoseconds>(end - begin);
+ std::cout << "Time elapsed: " << elapsed.count()*1e-9 << std::endl;
+ } else if (mesher=="NETGEN2D"){
+ netgen2d(input_mesh_file,
+ shape_file,
+ hypo_file,
+ element_orientation_file,
+ new_element_file,
+ output_mesh_file);
+ } else {
+ std::cerr << "Unknown mesher:" << mesher << std::endl;
+ }
+ return 0;
+}
+++ /dev/null
-// Copyright (C) 2007-2021 CEA/DEN, EDF R&D, OPEN CASCADE
-//
-// Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
-// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
-//
-// This library 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 2.1 of the License, or (at your option) any later version.
-//
-// This library 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 this library; if not, write to the Free Software
-// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-//
-// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
-//
-
-// File : netgen_mesher.cxx
-// Author : Yoann AUDOUIN, EDF
-// Module : SMESH
-//
-
-#include "netgen_mesher.hxx"
-
-#include "DriverStep.hxx"
-#include "DriverMesh.hxx"
-#include "netgen_param.hxx"
-
-#include <fstream>
-#include <vector>
-#include <filesystem>
-namespace fs = std::filesystem;
-#include <chrono>
-
-// SMESH include
-#include <SMESH_Mesh.hxx>
-#include <SMESH_subMesh.hxx>
-#include <SMESH_Gen.hxx>
-#include <SMESH_Algo.hxx>
-#include <SMESHDS_Mesh.hxx>
-#include <SMESH_ControlsDef.hxx>
-#include <SMESH_Comment.hxx>
-#include <SMESH_ComputeError.hxx>
-#include <SMESH_MesherHelper.hxx>
-#include <StdMeshers_MaxElementVolume.hxx>
-#include <StdMeshers_QuadToTriaAdaptor.hxx>
-#include <StdMeshers_ViscousLayers.hxx>
-#include <StdMeshers_ViscousLayers2D.hxx>
-
-
-// NETGENPlugin
-// #include <NETGENPlugin_Mesher.hxx>
-// #include <NETGENPlugin_Hypothesis.hxx>
-#include "NETGENPlugin_Mesher.hxx"
-#include "NETGENPlugin_Hypothesis.hxx"
-
-
-// OCC include
-#include <TopoDS.hxx>
-#include <BRepClass3d_SolidClassifier.hxx>
-#include <GProp_GProps.hxx>
-#include <BRepGProp.hxx>
-
-#include <Standard_Failure.hxx>
-#include <Standard_ErrorHandler.hxx>
-/*
- Netgen include files
-*/
-
-#ifndef OCCGEOMETRY
-#define OCCGEOMETRY
-#endif
-#include <occgeom.hpp>
-#include <meshing.hpp>
-
-#ifdef NETGEN_V5
-#include <ngexception.hpp>
-#endif
-#ifdef NETGEN_V6
-#include <core/exception.hpp>
-#endif
-
-namespace nglib {
-#include <nglib.h>
-}
-namespace netgen {
-
- NETGENPLUGIN_DLL_HEADER
- extern MeshingParameters mparam;
-
- NETGENPLUGIN_DLL_HEADER
- extern volatile multithreadt multithread;
-
- NETGENPLUGIN_DLL_HEADER
- extern bool merge_solids;
-
-#ifdef NETGEN_V5
- extern void OCCSetLocalMeshSize(OCCGeometry & geom, Mesh & mesh);
-#endif
-}
-using namespace nglib;
-
-int error(int error_type, std::string msg)
-{
- std::cerr << msg << std::endl;
- return error_type;
-};
-
-int error(const SMESH_Comment& comment)
-{
- return error(1, "SMESH_Comment error: "+comment);
-};
-
-/**
- * @brief Set the netgen parameters
- *
- * @param aParams Internal structure of parameters
- * @param mparams Netgen strcuture of parameters
- */
-void set_netgen_parameters(netgen_params& aParams)
-{
-
- // Default parameters
-#ifdef NETGEN_V6
-
- //netgen::mparam.nthreads = std::thread::hardware_concurrency();
- netgen::mparam.nthreads = aParams.nbThreads;
- netgen::mparam.parallel_meshing = aParams.nbThreads > 1;
-
-
- if ( getenv( "SALOME_NETGEN_DISABLE_MULTITHREADING" ))
- {
- netgen::mparam.nthreads = 1;
- netgen::mparam.parallel_meshing = false;
- }
-
-#endif
-
- // Initialize global NETGEN parameters:
- netgen::mparam.maxh = aParams.maxh;
- netgen::mparam.minh = aParams.minh;
- netgen::mparam.segmentsperedge = aParams.segmentsperedge;
- netgen::mparam.grading = aParams.grading;
- netgen::mparam.curvaturesafety = aParams.curvaturesafety;
- netgen::mparam.secondorder = aParams.secondorder;
- netgen::mparam.quad = aParams.quad;
- netgen::mparam.uselocalh = aParams.uselocalh;
- netgen::merge_solids = aParams.merge_solids;
- netgen::mparam.optsteps2d = aParams.optsteps2d;
- netgen::mparam.optsteps3d = aParams.optsteps3d;
- netgen::mparam.elsizeweight = aParams.elsizeweight;
- netgen::mparam.opterrpow = aParams.opterrpow;
- netgen::mparam.delaunay = aParams.delaunay;
- netgen::mparam.checkoverlap = aParams.checkoverlap;
- netgen::mparam.checkchartboundary = aParams.checkchartboundary;
-#ifdef NETGEN_V6
- // std::string
- netgen::mparam.meshsizefilename = aParams.meshsizefilename;
- netgen::mparam.closeedgefac = aParams.closeedgefac;
-
-#else
- // const char*
- netgen::mparam.meshsizefilename= aParams.meshsizefilename.empty() ? 0 : aParams.meshsizefilename.c_str();
-#endif
-}
-
-/**
- * @brief compute mesh with netgen3d
- *
- * @param input_mesh_file Input Mesh file
- * @param shape_file Shape file
- * @param hypo_file Parameter file
- * @param new_element_file Binary file containing new nodes and new element info
- * @param output_mesh If true will export mesh into output_mesh_file
- * @param output_mesh_file Output Mesh file
- *
- * @return error code
- */
-int netgen3d(const std::string input_mesh_file,
- const std::string shape_file,
- const std::string hypo_file,
- const std::string element_orientation_file,
- const std::string new_element_file,
- bool output_mesh,
- const std::string output_mesh_file,
- int nbThreads)
-{
- auto time0 = std::chrono::high_resolution_clock::now();
- // Importing mesh
- SMESH_Gen gen;
-
- SMESH_Mesh *myMesh = gen.CreateMesh(false);
- //TODO: To define
- std::string mesh_name = "Maillage_1";
-
- import_mesh(input_mesh_file, *myMesh, mesh_name);
- auto time1 = std::chrono::high_resolution_clock::now();
- auto elapsed = std::chrono::duration_cast<std::chrono::nanoseconds>(time1-time0);
- std::cout << "Time for import_mesh: " << elapsed.count() * 1e-9 << std::endl;
-
- // Importing shape
- TopoDS_Shape myShape;
- import_shape(shape_file, myShape);
- auto time2 = std::chrono::high_resolution_clock::now();
- elapsed = std::chrono::duration_cast<std::chrono::nanoseconds>(time2-time1);
- std::cout << "Time for import_shape: " << elapsed.count() * 1e-9 << std::endl;
-
- // Importing hypothesis
- netgen_params myParams;
-
- import_netgen_params(hypo_file, myParams);
- auto time3 = std::chrono::high_resolution_clock::now();
- elapsed = std::chrono::duration_cast<std::chrono::nanoseconds>(time3-time2);
- std::cout << "Time for import_netgen_param: " << elapsed.count() * 1e-9 << std::endl;
- // Setting number of threads for netgen
- myParams.nbThreads = nbThreads;
-
- std::cout << "Meshing with netgen3d" << std::endl;
- int ret = netgen3d_internal(myShape, *myMesh, myParams,
- new_element_file, element_orientation_file,
- output_mesh);
-
-
- if(!ret){
- std::cout << "Meshing failed" << std::endl;
- return ret;
- }
-
- if(output_mesh){
- auto time4 = std::chrono::high_resolution_clock::now();
- export_mesh(output_mesh_file, *myMesh, mesh_name);
- auto time5 = std::chrono::high_resolution_clock::now();
- elapsed = std::chrono::duration_cast<std::chrono::nanoseconds>(time5-time4);
- std::cout << "Time for export_mesh: " << elapsed.count() * 1e-9 << std::endl;
- }
-
- return ret;
-}
-
-/**
- * @brief Compute aShape within aMesh using netgen3d
- *
- * @param aShape the shape
- * @param aMesh the mesh
- * @param aParams the netgen parameters
- * @param new_element_file file containing data on the new point/tetra added by netgen
- *
- * @return error code
- */
-int netgen3d_internal(TopoDS_Shape &aShape, SMESH_Mesh& aMesh, netgen_params& aParams,
- std::string new_element_file, std::string element_orientation_file,
- bool output_mesh)
-{
-
- auto time0 = std::chrono::high_resolution_clock::now();
-
- netgen::multithread.terminate = 0;
- netgen::multithread.task = "Volume meshing";
-
- SMESHDS_Mesh* meshDS = aMesh.GetMeshDS();
-
- SMESH_MesherHelper helper(aMesh);
- aParams._quadraticMesh = helper.IsQuadraticSubMesh(aShape);
- helper.SetElementsOnShape( true );
-
- int Netgen_NbOfNodes = 0;
- double Netgen_point[3];
- int Netgen_triangle[3];
-
- NETGENPlugin_NetgenLibWrapper ngLib;
- Ng_Mesh * Netgen_mesh = (Ng_Mesh*)ngLib._ngMesh;
-
- // vector of nodes in which node index == netgen ID
- vector< const SMDS_MeshNode* > nodeVec;
- {
- const int invalid_ID = -1;
-
- SMESH::Controls::Area areaControl;
- SMESH::Controls::TSequenceOfXYZ nodesCoords;
-
- // maps nodes to ng ID
- typedef map< const SMDS_MeshNode*, int, TIDCompare > TNodeToIDMap;
- typedef TNodeToIDMap::value_type TN2ID;
- TNodeToIDMap nodeToNetgenID;
-
- // find internal shapes
- NETGENPlugin_Internals internals( aMesh, aShape, /*is3D=*/true );
-
- // ---------------------------------
- // Feed the Netgen with surface mesh
- // ---------------------------------
-
- TopAbs_ShapeEnum mainType = aMesh.GetShapeToMesh().ShapeType();
- bool checkReverse = ( mainType == TopAbs_COMPOUND || mainType == TopAbs_COMPSOLID );
-
- SMESH_ProxyMesh::Ptr proxyMesh( new SMESH_ProxyMesh( aMesh ));
- if ( aParams._viscousLayersHyp )
- {
- netgen::multithread.percent = 3;
- proxyMesh = aParams._viscousLayersHyp->Compute( aMesh, aShape );
- if ( !proxyMesh )
- return false;
- }
- if ( aMesh.NbQuadrangles() > 0 )
- {
- netgen::multithread.percent = 6;
- StdMeshers_QuadToTriaAdaptor* Adaptor = new StdMeshers_QuadToTriaAdaptor;
- Adaptor->Compute(aMesh,aShape,proxyMesh.get());
- proxyMesh.reset( Adaptor );
- }
-
- // Get list of elements + their orientation from element_orientation file
- std::map<vtkIdType, bool> elemOrientation;
- {
- std::ifstream df(element_orientation_file, ios::binary|ios::in);
- int nbElement;
- bool orient;
-
- // Warning of the use of vtkIdType (I had issue when run_mesher was compiled with internal vtk) and salome not
- // Sizeof was the same but how he othered the type was different
- // Maybe using another type (uint64_t) instead would be better
- vtkIdType id;
- df.read((char*)&nbElement, sizeof(int));
-
- for(int ielem=0;ielem<nbElement;++ielem){
- df.read((char*) &id, sizeof(vtkIdType));
- df.read((char*) &orient, sizeof(bool));
- elemOrientation[id] = orient;
- }
- }
-
- // Adding elements from Mesh
- SMDS_ElemIteratorPtr iteratorElem = meshDS->elementsIterator(SMDSAbs_Face);
- bool isRev;
- bool isInternalFace = false;
-
- bool isIn;
-
- while ( iteratorElem->more() ) // loop on elements on a geom face
- {
- // check mesh face
- const SMDS_MeshElement* elem = iteratorElem->next();
- if ( !elem )
- return error( COMPERR_BAD_INPUT_MESH, "Null element encounters");
- if ( elem->NbCornerNodes() != 3 )
- return error( COMPERR_BAD_INPUT_MESH, "Not triangle element encounters");
-
- // Keeping only element that are in the element orientation file
- isIn = elemOrientation.count(elem->GetID())==1;
-
- if(!isIn)
- continue;
-
-
- // Get orientation
- // Netgen requires that all the triangle point outside
- isRev = elemOrientation[elem->GetID()];
-
- // Add nodes of triangles and triangles them-selves to netgen mesh
-
- // add three nodes of triangle
- bool hasDegen = false;
- for ( int iN = 0; iN < 3; ++iN )
- {
- const SMDS_MeshNode* node = elem->GetNode( iN );
- const int shapeID = node->getshapeId();
- if ( node->GetPosition()->GetTypeOfPosition() == SMDS_TOP_EDGE &&
- helper.IsDegenShape( shapeID ))
- {
- // ignore all nodes on degeneraged edge and use node on its vertex instead
- TopoDS_Shape vertex = TopoDS_Iterator( meshDS->IndexToShape( shapeID )).Value();
- node = SMESH_Algo::VertexNode( TopoDS::Vertex( vertex ), meshDS );
- hasDegen = true;
- }
- int& ngID = nodeToNetgenID.insert(TN2ID( node, invalid_ID )).first->second;
- if ( ngID == invalid_ID )
- {
- ngID = ++Netgen_NbOfNodes;
- Netgen_point [ 0 ] = node->X();
- Netgen_point [ 1 ] = node->Y();
- Netgen_point [ 2 ] = node->Z();
- Ng_AddPoint(Netgen_mesh, Netgen_point);
- }
-
- Netgen_triangle[ isRev ? 2-iN : iN ] = ngID;
- }
- // add triangle
- if ( hasDegen && (Netgen_triangle[0] == Netgen_triangle[1] ||
- Netgen_triangle[0] == Netgen_triangle[2] ||
- Netgen_triangle[2] == Netgen_triangle[1] ))
- continue;
-
- Ng_AddSurfaceElement(Netgen_mesh, NG_TRIG, Netgen_triangle);
-
- // TODO: Handle that case (quadrangle 2D) (isInternal is set to false)
- if ( isInternalFace && !proxyMesh->IsTemporary( elem ))
- {
- swap( Netgen_triangle[1], Netgen_triangle[2] );
- Ng_AddSurfaceElement(Netgen_mesh, NG_TRIG, Netgen_triangle);
- }
- }
-
- // insert old nodes into nodeVec
- nodeVec.resize( nodeToNetgenID.size() + 1, 0 );
- TNodeToIDMap::iterator n_id = nodeToNetgenID.begin();
- for ( ; n_id != nodeToNetgenID.end(); ++n_id )
- nodeVec[ n_id->second ] = n_id->first;
- nodeToNetgenID.clear();
-
- // TODO: Handle internal vertex
- //if ( internals.hasInternalVertexInSolid() )
- //{
- // netgen::OCCGeometry occgeo;
- // NETGENPlugin_Mesher::AddIntVerticesInSolids( occgeo,
- // (netgen::Mesh&) *Netgen_mesh,
- // nodeVec,
- // internals);
- //}
- }
- auto time1 = std::chrono::high_resolution_clock::now();
- auto elapsed = std::chrono::duration_cast<std::chrono::nanoseconds>(time1-time0);
- std::cout << "Time for fill_in_ngmesh: " << elapsed.count() * 1e-9 << std::endl;
-
- // -------------------------
- // Generate the volume mesh
- // -------------------------
- netgen::multithread.terminate = 0;
-
- netgen::Mesh* ngMesh = ngLib._ngMesh;
- Netgen_mesh = ngLib.ngMesh();
- Netgen_NbOfNodes = Ng_GetNP( Netgen_mesh );
-
-
- int startWith = netgen::MESHCONST_MESHVOLUME;
- int endWith = netgen::MESHCONST_OPTVOLUME;
- int err = 1;
-
- NETGENPlugin_Mesher aMesher( &aMesh, helper.GetSubShape(), /*isVolume=*/true );
- netgen::OCCGeometry occgeo;
- set_netgen_parameters(aParams);
-
- if ( aParams.has_netgen_param )
- {
- if ( aParams.has_local_size)
- {
- if ( ! &ngMesh->LocalHFunction() )
- {
- netgen::Point3d pmin, pmax;
- ngMesh->GetBox( pmin, pmax, 0 );
- ngMesh->SetLocalH( pmin, pmax, aParams.grading );
- }
- aMesher.SetLocalSize( occgeo, *ngMesh );
-
- try {
- ngMesh->LoadLocalMeshSize( netgen::mparam.meshsizefilename );
- } catch (netgen::NgException & ex) {
- return error( COMPERR_BAD_PARMETERS, ex.What() );
- }
- }
- if ( !aParams.optimize )
- endWith = netgen::MESHCONST_MESHVOLUME;
- }
- else if ( aParams.has_maxelementvolume_hyp )
- {
- netgen::mparam.maxh = pow( 72, 1/6. ) * pow( aParams.maxElementVolume, 1/3. );
- // limitVolumeSize( ngMesh, netgen::mparam.maxh ); // result is unpredictable
- }
- else if ( aMesh.HasShapeToMesh() )
- {
- aMesher.PrepareOCCgeometry( occgeo, helper.GetSubShape(), aMesh );
- netgen::mparam.maxh = occgeo.GetBoundingBox().Diam()/2;
- }
- else
- {
- netgen::Point3d pmin, pmax;
- ngMesh->GetBox (pmin, pmax);
- netgen::mparam.maxh = Dist(pmin, pmax)/2;
- }
-
- if ( !aParams.has_netgen_param && aMesh.HasShapeToMesh() )
- {
- netgen::mparam.minh = aMesher.GetDefaultMinSize( helper.GetSubShape(), netgen::mparam.maxh );
- }
-
- try
- {
- OCC_CATCH_SIGNALS;
-
- ngLib.CalcLocalH(ngMesh);
- err = ngLib.GenerateMesh(occgeo, startWith, endWith, ngMesh);
-
- if(netgen::multithread.terminate)
- return false;
- if ( err )
- return error(SMESH_Comment("Error in netgen::OCCGenerateMesh() at ") << netgen::multithread.task);
- }
- catch (Standard_Failure& ex)
- {
- SMESH_Comment str("Exception in netgen::OCCGenerateMesh()");
- str << " at " << netgen::multithread.task
- << ": " << ex.DynamicType()->Name();
- if ( ex.GetMessageString() && strlen( ex.GetMessageString() ))
- str << ": " << ex.GetMessageString();
- return error(str);
- }
- catch (netgen::NgException& exc)
- {
- SMESH_Comment str("NgException");
- if ( strlen( netgen::multithread.task ) > 0 )
- str << " at " << netgen::multithread.task;
- str << ": " << exc.What();
- return error(str);
- }
- catch (...)
- {
- SMESH_Comment str("Exception in netgen::OCCGenerateMesh()");
- if ( strlen( netgen::multithread.task ) > 0 )
- str << " at " << netgen::multithread.task;
- return error(str);
- }
-
- int Netgen_NbOfNodesNew = Ng_GetNP(Netgen_mesh);
- int Netgen_NbOfTetra = Ng_GetNE(Netgen_mesh);
-
- // -------------------------------------------------------------------
- // Feed back the SMESHDS with the generated Nodes and Volume Elements
- // -------------------------------------------------------------------
-
- if ( err )
- {
- SMESH_ComputeErrorPtr ce = NETGENPlugin_Mesher::ReadErrors(nodeVec);
- if ( ce && ce->HasBadElems() )
- return error( ce );
- }
- auto time2 = std::chrono::high_resolution_clock::now();
- elapsed = std::chrono::duration_cast<std::chrono::nanoseconds>(time2-time1);
- std::cout << "Time for netgen_compute: " << elapsed.count() * 1e-9 << std::endl;
-
- bool isOK = ( /*status == NG_OK &&*/ Netgen_NbOfTetra > 0 );// get whatever built
- if ( isOK )
- {
- std::ofstream df(new_element_file, ios::out|ios::binary);
-
- double Netgen_point[3];
- int Netgen_tetrahedron[4];
-
- // Writing nodevec (correspondence netgen numbering mesh numbering)
- // Number of nodes
- df.write((char*) &Netgen_NbOfNodes, sizeof(int));
- df.write((char*) &Netgen_NbOfNodesNew, sizeof(int));
- for (int nodeIndex = 1 ; nodeIndex <= Netgen_NbOfNodes; ++nodeIndex )
- {
- //Id of the point
- int id = nodeVec.at(nodeIndex)->GetID();
- df.write((char*) &id, sizeof(int));
- }
-
- // Writing info on new points
- for (int nodeIndex = Netgen_NbOfNodes +1 ; nodeIndex <= Netgen_NbOfNodesNew; ++nodeIndex )
- {
- Ng_GetPoint(Netgen_mesh, nodeIndex, Netgen_point );
- // Coordinates of the point
- df.write((char *) &Netgen_point, sizeof(double)*3);
- }
-
- // create tetrahedrons
- df.write((char*) &Netgen_NbOfTetra, sizeof(int));
- for ( int elemIndex = 1; elemIndex <= Netgen_NbOfTetra; ++elemIndex )
- {
- Ng_GetVolumeElement(Netgen_mesh, elemIndex, Netgen_tetrahedron);
- df.write((char*) &Netgen_tetrahedron, sizeof(int)*4);
- }
- }
- auto time3 = std::chrono::high_resolution_clock::now();
- elapsed = std::chrono::duration_cast<std::chrono::nanoseconds>(time3-time2);
- std::cout << "Time for write_new_elem: " << elapsed.count() * 1e-9 << std::endl;
-
-
- // Adding new files in aMesh as well
- if ( output_mesh )
- {
- double Netgen_point[3];
- int Netgen_tetrahedron[4];
-
- // create and insert new nodes into nodeVec
- nodeVec.resize( Netgen_NbOfNodesNew + 1, 0 );
- int nodeIndex = Netgen_NbOfNodes + 1;
- for ( ; nodeIndex <= Netgen_NbOfNodesNew; ++nodeIndex )
- {
- Ng_GetPoint( Netgen_mesh, nodeIndex, Netgen_point );
- nodeVec.at(nodeIndex) = helper.AddNode(Netgen_point[0],
- Netgen_point[1],
- Netgen_point[2]);
- }
-
- // create tetrahedrons
- for ( int elemIndex = 1; elemIndex <= Netgen_NbOfTetra; ++elemIndex )
- {
- Ng_GetVolumeElement(Netgen_mesh, elemIndex, Netgen_tetrahedron);
- try
- {
- helper.AddVolume (nodeVec.at( Netgen_tetrahedron[0] ),
- nodeVec.at( Netgen_tetrahedron[1] ),
- nodeVec.at( Netgen_tetrahedron[2] ),
- nodeVec.at( Netgen_tetrahedron[3] ));
- }
- catch (...)
- {
- }
- }
- auto time4 = std::chrono::high_resolution_clock::now();
- elapsed = std::chrono::duration_cast<std::chrono::nanoseconds>(time4-time3);
- std::cout << "Time for add_element_to_smesh: " << elapsed.count() * 1e-9 << std::endl;
-
- }
-
- return !err;
-}
-
-/**
- * @brief compute mesh with netgen2d
- *
- * @param input_mesh_file Input Mesh file
- * @param shape_file Shape file
- * @param hypo_file Parameter file
- * @param new_element_file Binary file containing new nodes and new element info
- * @param output_mesh If true will export mesh into output_mesh_file
- * @param output_mesh_file Output Mesh file
- *
- * @return error code
- */
-int netgen2d(const std::string input_mesh_file,
- const std::string shape_file,
- const std::string hypo_file,
- const std::string element_orientation_file,
- const std::string new_element_file,
- bool output_mesh,
- const std::string output_mesh_file)
-{
-
- // Importing mesh
- SMESH_Gen gen;
-
- SMESH_Mesh *myMesh = gen.CreateMesh(false);
- //TODO: To define
- std::string mesh_name = "Maillage_1";
-
- import_mesh(input_mesh_file, *myMesh, mesh_name);
-
- // Importing shape
- TopoDS_Shape myShape;
- import_shape(shape_file, myShape);
-
- // Importing hypothesis
- netgen_params myParams;
-
- import_netgen_params(hypo_file, myParams);
-
- std::cout << "Meshing with netgen3d" << std::endl;
- int ret = netgen2d_internal(myShape, *myMesh, myParams,
- new_element_file, element_orientation_file,
- output_mesh);
-
- if(!ret){
- std::cout << "Meshing failed" << std::endl;
- return ret;
- }
-
- if(output_mesh)
- export_mesh(output_mesh_file, *myMesh, mesh_name);
-
- return ret;
-}
-
-
-// TODO: Not working properly
-/**
- * @brief Compute aShape within aMesh using netgen2d
- *
- * @param aShape the shape
- * @param aMesh the mesh
- * @param aParams the netgen parameters
- * @param new_element_file file containing data on the new point/tetra added by netgen
- *
- * @return error code
- */
-int netgen2d_internal(TopoDS_Shape &aShape, SMESH_Mesh& aMesh, netgen_params& aParams,
- std::string new_element_file, std::string element_orientation_file,
- bool output_mesh)
-{
- netgen::multithread.terminate = 0;
- netgen::multithread.task = "Surface meshing";
-
- SMESHDS_Mesh* meshDS = aMesh.GetMeshDS();
- SMESH_MesherHelper helper(aMesh);
- helper.SetElementsOnShape( true );
-
- NETGENPlugin_NetgenLibWrapper ngLib;
- ngLib._isComputeOk = false;
-
- netgen::Mesh ngMeshNoLocSize;
- netgen::Mesh * ngMeshes[2] = { (netgen::Mesh*) ngLib._ngMesh, & ngMeshNoLocSize };
- netgen::OCCGeometry occgeoComm;
-
- std::map<vtkIdType, bool> elemOrientation;
-
- typedef map< const SMDS_MeshNode*, int, TIDCompare > TNodeToIDMap;
- typedef TNodeToIDMap::value_type TN2ID;
- const int invalid_ID = -1;
- int Netgen_NbOfNodes=0;
- double Netgen_point[3];
- int Netgen_segment[2];
- int Netgen_triangle[3];
-
- // min / max sizes are set as follows:
- // if ( _hypParameters )
- // min and max are defined by the user
- // else if ( aParams.has_LengthFromEdges_hyp )
- // min = aMesher.GetDefaultMinSize()
- // max = average segment len of a FACE
- // else if ( _hypMaxElementArea )
- // min = aMesher.GetDefaultMinSize()
- // max = f( _hypMaxElementArea )
- // else
- // min = aMesher.GetDefaultMinSize()
- // max = max segment len of a FACE
- NETGENPlugin_Mesher aMesher( &aMesh, aShape, /*isVolume=*/false);
- set_netgen_parameters( aParams );
- const bool toOptimize = aParams.optimize;
- if ( aParams.has_maxelementvolume_hyp )
- {
- netgen::mparam.maxh = sqrt( 2. * aParams.maxElementVolume / sqrt(3.0) );
- }
- netgen::mparam.quad = aParams.quad;
-
- // local size is common for all FACEs in aShape?
- const bool isCommonLocalSize = ( !aParams.has_LengthFromEdges_hyp && !aParams.has_maxelementvolume_hyp && netgen::mparam.uselocalh );
- const bool isDefaultHyp = ( !aParams.has_LengthFromEdges_hyp && !aParams.has_maxelementvolume_hyp && !aParams.has_netgen_param );
-
-
- if ( isCommonLocalSize ) // compute common local size in ngMeshes[0]
- {
- //list< SMESH_subMesh* > meshedSM[4]; --> all sub-shapes are added to occgeoComm
- aMesher.PrepareOCCgeometry( occgeoComm, aShape, aMesh );//, meshedSM );
-
- // local size set at MESHCONST_ANALYSE step depends on
- // minh, face_maxh, grading and curvaturesafety; find minh if not set by the user
- if ( !aParams.has_netgen_param || netgen::mparam.minh < DBL_MIN )
- {
- if ( !aParams.has_netgen_param )
- netgen::mparam.maxh = occgeoComm.GetBoundingBox().Diam() / 3.;
- netgen::mparam.minh = aMesher.GetDefaultMinSize( aShape, netgen::mparam.maxh );
- }
- // set local size depending on curvature and NOT closeness of EDGEs
-#ifdef NETGEN_V6
- const double factor = 2; //netgen::occparam.resthcloseedgefac;
-#else
- const double factor = netgen::occparam.resthcloseedgefac;
- netgen::occparam.resthcloseedgeenable = false;
- netgen::occparam.resthcloseedgefac = 1.0 + netgen::mparam.grading;
-#endif
- occgeoComm.face_maxh = netgen::mparam.maxh;
-#ifdef NETGEN_V6
- netgen::OCCParameters occparam;
- netgen::OCCSetLocalMeshSize( occgeoComm, *ngMeshes[0], netgen::mparam, occparam );
-#else
- netgen::OCCSetLocalMeshSize( occgeoComm, *ngMeshes[0] );
-#endif
- occgeoComm.emap.Clear();
- occgeoComm.vmap.Clear();
-
- // Reading list of element to integrate into netgen mesh
- {
- std::ifstream df(element_orientation_file, ios::in|ios::binary);
- int nbElement;
- vtkIdType id;
- bool orient;
- df.read((char*)&nbElement, sizeof(int));
-
- for(int ielem=0;ielem<nbElement;++ielem){
- df.read((char*) &id, sizeof(vtkIdType));
- df.read((char*) &orient, sizeof(bool));
- elemOrientation[id] = orient;
- }
- }
-
- bool isIn;
- // set local size according to size of existing segments
- SMDS_ElemIteratorPtr iteratorElem = meshDS->elementsIterator(SMDSAbs_Edge);
- while ( iteratorElem->more() ) // loop on elements on a geom face
- {
- const SMDS_MeshElement* seg = iteratorElem->next();
- // Keeping only element that are in the element orientation file
- isIn = elemOrientation.count(seg->GetID())==1;
-
- if(!isIn)
- continue;
-
- SMESH_TNodeXYZ n1 = seg->GetNode(0);
- SMESH_TNodeXYZ n2 = seg->GetNode(1);
- gp_XYZ p = 0.5 * ( n1 + n2 );
- netgen::Point3d pi(p.X(), p.Y(), p.Z());
- ngMeshes[0]->RestrictLocalH( pi, factor * ( n1 - n2 ).Modulus() );
- }
-
- // set local size defined on shapes
- aMesher.SetLocalSize( occgeoComm, *ngMeshes[0] );
- aMesher.SetLocalSizeForChordalError( occgeoComm, *ngMeshes[0] );
- try {
- ngMeshes[0]->LoadLocalMeshSize( netgen::mparam.meshsizefilename );
- } catch (netgen::NgException & ex) {
- return error( COMPERR_BAD_PARMETERS, ex.What() );
- }
- }
- netgen::mparam.uselocalh = toOptimize; // restore as it is used at surface optimization
- // ==================
- // Loop on all FACEs
- // ==================
-
- vector< const SMDS_MeshNode* > nodeVec;
-
- // prepare occgeom
- netgen::OCCGeometry occgeom;
- occgeom.shape = aShape;
- occgeom.fmap.Add( aShape );
- occgeom.CalcBoundingBox();
- occgeom.facemeshstatus.SetSize(1);
- occgeom.facemeshstatus = 0;
- occgeom.face_maxh_modified.SetSize(1);
- occgeom.face_maxh_modified = 0;
- occgeom.face_maxh.SetSize(1);
- occgeom.face_maxh = netgen::mparam.maxh;
-
- // -------------------------
- // Fill netgen mesh
- // -------------------------
- // maps nodes to ng ID
-
-
- // MESHCONST_ANALYSE step may lead to a failure, so we make an attempt
- // w/o MESHCONST_ANALYSE at the second loop
- int err = 0;
- enum { LOC_SIZE, NO_LOC_SIZE };
- int iLoop = isCommonLocalSize ? 0 : 1;
- int faceID = occgeom.fmap.FindIndex(aShape);
- int solidID = 0;
- for ( ; iLoop < 2; iLoop++ )
- {
- //bool isMESHCONST_ANALYSE = false;
- //TODO: check how to replace that
- //InitComputeError();
-
- netgen::Mesh * ngMesh = ngMeshes[ iLoop ];
- ngMesh->DeleteMesh();
-
- if ( iLoop == NO_LOC_SIZE )
- {
- ngMesh->SetGlobalH ( netgen::mparam.maxh );
- ngMesh->SetMinimalH( netgen::mparam.minh );
- netgen::Box<3> bb = occgeom.GetBoundingBox();
- bb.Increase (bb.Diam()/10);
- ngMesh->SetLocalH (bb.PMin(), bb.PMax(), netgen::mparam.grading);
- aMesher.SetLocalSize( occgeom, *ngMesh );
- aMesher.SetLocalSizeForChordalError( occgeoComm, *ngMesh );
- try {
- ngMesh->LoadLocalMeshSize( netgen::mparam.meshsizefilename );
- } catch (netgen::NgException & ex) {
- return error( COMPERR_BAD_PARMETERS, ex.What() );
- }
- }
-
- TNodeToIDMap nodeToNetgenID;
-
- nodeVec.clear();
- ngMesh->AddFaceDescriptor( netgen::FaceDescriptor( faceID, solidID, solidID, 0 ));
- // set local size according to size of existing segments
- SMDS_ElemIteratorPtr iteratorElem = meshDS->elementsIterator(SMDSAbs_Edge);
- while ( iteratorElem->more() ) // loop on elements on a geom face
- {
- const SMDS_MeshElement* elem = iteratorElem->next();
- // Keeping only element that are in the element orientation file
- bool isIn = elemOrientation.count(elem->GetID())==1;
-
- if(!isIn)
- continue;
-
- bool isRev = elemOrientation[elem->GetID()];
- std::cerr << isRev;
-
-
-
- for ( int iN = 0; iN < 2; ++iN )
- {
- const SMDS_MeshNode* node = elem->GetNode( iN );
- const int shapeID = node->getshapeId();
- int& ngID = nodeToNetgenID.insert(TN2ID( node, invalid_ID )).first->second;
- if ( ngID == invalid_ID )
- {
- ngID = ++Netgen_NbOfNodes;
- Netgen_point [ 0 ] = node->X();
- Netgen_point [ 1 ] = node->Y();
- Netgen_point [ 2 ] = node->Z();
- netgen::MeshPoint mp( netgen::Point<3> (node->X(), node->Y(), node->Z()) );
- ngMesh->AddPoint ( mp, 1, netgen::EDGEPOINT );
- }
- Netgen_segment[ isRev ? 1-iN : iN ] = ngID;
- }
- // add segment
-
- netgen::Segment seg;
- seg[0] = Netgen_segment[0];
- seg[1] = Netgen_segment[1];
- seg.edgenr = ngMesh->GetNSeg() +1;
- seg.si = faceID;
-
- ngMesh->AddSegment(seg);
- }
- int nbNodes2 = ngMesh->GetNP();
- int nseg = ngMesh->GetNSeg();
-
- // insert old nodes into nodeVec
- nodeVec.resize( nodeToNetgenID.size() + 1, 0 );
- TNodeToIDMap::iterator n_id = nodeToNetgenID.begin();
- for ( ; n_id != nodeToNetgenID.end(); ++n_id )
- nodeVec[ n_id->second ] = n_id->first;
- nodeToNetgenID.clear();
-
-
- //if ( !isCommonLocalSize )
- //limitSize( ngMesh, mparam.maxh * 0.8);
-
- // -------------------------
- // Generate surface mesh
- // -------------------------
-
- const int startWith = netgen::MESHCONST_MESHSURFACE;
- const int endWith = toOptimize ? netgen::MESHCONST_OPTSURFACE : netgen::MESHCONST_MESHSURFACE;
-
- SMESH_Comment str;
- try {
- OCC_CATCH_SIGNALS;
- err = ngLib.GenerateMesh(occgeom, startWith, endWith, ngMesh);
- if ( netgen::multithread.terminate )
- return false;
- if ( err )
- str << "Error in netgen::OCCGenerateMesh() at " << netgen::multithread.task;
- }
- catch (Standard_Failure& ex)
- {
- err = 1;
- str << "Exception in netgen::OCCGenerateMesh()"
- << " at " << netgen::multithread.task
- << ": " << ex.DynamicType()->Name();
- if ( ex.GetMessageString() && strlen( ex.GetMessageString() ))
- str << ": " << ex.GetMessageString();
- }
- catch (...) {
- err = 1;
- str << "Exception in netgen::OCCGenerateMesh()"
- << " at " << netgen::multithread.task;
- }
- if ( err )
- {
- if ( iLoop == LOC_SIZE )
- {
- std::cout << "Need second run" << std::endl;
- /*netgen::mparam.minh = netgen::mparam.maxh;
- netgen::mparam.maxh = 0;
- for ( size_t iW = 0; iW < wires.size(); ++iW )
- {
- StdMeshers_FaceSidePtr wire = wires[ iW ];
- const vector<UVPtStruct>& uvPtVec = wire->GetUVPtStruct();
- for ( size_t iP = 1; iP < uvPtVec.size(); ++iP )
- {
- SMESH_TNodeXYZ p( uvPtVec[ iP ].node );
- netgen::Point3d np( p.X(),p.Y(),p.Z());
- double segLen = p.Distance( uvPtVec[ iP-1 ].node );
- double size = ngMesh->GetH( np );
- netgen::mparam.minh = Min( netgen::mparam.minh, size );
- netgen::mparam.maxh = Max( netgen::mparam.maxh, segLen );
- }
- }
- //cerr << "min " << mparam.minh << " max " << mparam.maxh << endl;
- netgen::mparam.minh *= 0.9;
- netgen::mparam.maxh *= 1.1;
- */
- continue;
- }
- else
- {
- //faceErr.reset( new SMESH_ComputeError( COMPERR_ALGO_FAILED, str ));
- }
- }
-
- // ----------------------------------------------------
- // Fill the SMESHDS with the generated nodes and faces
- // ----------------------------------------------------
-
- if(output_mesh)
- {
- int nbNodes = ngMesh->GetNP();
- int nbFaces = ngMesh->GetNSE();
- std::cout << nbFaces << " " << nbNodes << std::endl;
-
- int nbInputNodes = (int) nodeVec.size()-1;
- nodeVec.resize( nbNodes+1, 0 );
-
- // add nodes
- for ( int ngID = nbInputNodes + 1; ngID <= nbNodes; ++ngID )
- {
- const netgen::MeshPoint& ngPoint = ngMesh->Point( ngID );
- SMDS_MeshNode * node = meshDS->AddNode(ngPoint(0), ngPoint(1), ngPoint(2));
- nodeVec[ ngID ] = node;
- }
-
- // create faces
- int i,j;
- for ( i = 1; i <= nbFaces ; ++i )
- {
- Ng_GetVolumeElement(ngLib.ngMesh(), i, Netgen_triangle);
-
- helper.AddFace (nodeVec.at( Netgen_triangle[0] ),
- nodeVec.at( Netgen_triangle[1] ),
- nodeVec.at( Netgen_triangle[2] ));
-
- }
- } // output_mesh
-
- break;
- } // two attempts
- //} // loop on FACEs
-
- return true;
-
-}
+++ /dev/null
-// Copyright (C) 2007-2021 CEA/DEN, EDF R&D, OPEN CASCADE
-//
-// Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
-// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
-//
-// This library 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 2.1 of the License, or (at your option) any later version.
-//
-// This library 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 this library; if not, write to the Free Software
-// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-//
-// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
-//
-
-// File : netgen_mesher.hxx
-// Author : Yoann AUDOUIN, EDF
-// Module : SMESH
-//
-
-#ifndef _NETGEN_MESHER_HXX_
-#define _NETGEN_MESHER_HXX_
-
-#include <string>
-#include <iostream>
-
-class TopoDS_Shape;
-class SMESH_Mesh;
-class SMESH_Comment;
-class netgen_params;
-
-int netgen2d_internal(TopoDS_Shape &aShape,
- SMESH_Mesh& aMesh,
- netgen_params& aParams,
- std::string new_element_file,
- std::string element_orientation_file,
- bool output_mesh);
-int netgen2d(const std::string input_mesh_file,
- const std::string shape_file,
- const std::string hypo_file,
- const std::string element_orienation_file,
- const std::string new_element_file,
- bool output_mesh,
- const std::string output_mesh_file);
-
-int netgen3d_internal(TopoDS_Shape &aShape,
- SMESH_Mesh& aMesh,
- netgen_params& aParams,
- std::string new_element_file,
- std::string element_orientation_file,
- bool output_mesh);
-int netgen3d(const std::string input_mesh_file,
- const std::string shape_file,
- const std::string hypo_file,
- const std::string element_orienation_file,
- const std::string new_element_file,
- bool output_mesh,
- const std::string output_mesh_file,
- int nbThreads);
-
-//TODO: Tmp function replace by real error handling
-int error(int error_type, std::string msg);
-int error(const SMESH_Comment& comment);
-
-#endif
\ No newline at end of file
+++ /dev/null
-// Copyright (C) 2007-2021 CEA/DEN, EDF R&D, OPEN CASCADE
-//
-// Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
-// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
-//
-// This library 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 2.1 of the License, or (at your option) any later version.
-//
-// This library 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 this library; if not, write to the Free Software
-// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-//
-// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
-//
-
-// File : netgen_param.hxx
-// Author : Yoann AUDOUIN, EDF
-// Module : SMESH
-//
-#include "netgen_param.hxx"
-
-#include <iostream>
-#include <fstream>
-#include <string>
-#include <cassert>
-
-
-// TODO: Error handling of read/write
-
-/**
- * @brief Print content of a netgen_params
- *
- * @param aParams The object to display
- */
-void print_netgen_params(netgen_params& aParams){
- // TODO: prettier print
- // TODO: Add call to print in log
- std::cout << "has_netgen_param: " << aParams.has_netgen_param << std::endl;
- std::cout << "maxh: " << aParams.maxh << std::endl;
- std::cout << "minh: " << aParams.minh << std::endl;
- std::cout << "segmentsperedge: " << aParams.segmentsperedge << std::endl;
- std::cout << "grading: " << aParams.grading << std::endl;
- std::cout << "curvaturesafety: " << aParams.curvaturesafety << std::endl;
- std::cout << "secondorder: " << aParams.secondorder << std::endl;
- std::cout << "quad: " << aParams.quad << std::endl;
- std::cout << "optimize: " << aParams.optimize << std::endl;
- std::cout << "fineness: " << aParams.fineness << std::endl;
- std::cout << "uselocalh: " << aParams.uselocalh << std::endl;
- std::cout << "merge_solids: " << aParams.merge_solids << std::endl;
- std::cout << "chordalError: " << aParams.chordalError << std::endl;
- std::cout << "optsteps2d: " << aParams.optsteps2d << std::endl;
- std::cout << "optsteps3d: " << aParams.optsteps3d << std::endl;
- std::cout << "elsizeweight: " << aParams.elsizeweight << std::endl;
- std::cout << "opterrpow: " << aParams.opterrpow << std::endl;
- std::cout << "delaunay: " << aParams.delaunay << std::endl;
- std::cout << "checkoverlap: " << aParams.checkoverlap << std::endl;
- std::cout << "checkchartboundary: " << aParams.checkchartboundary << std::endl;
- std::cout << "closeedgefac: " << aParams.closeedgefac << std::endl;
- std::cout << "has_local_size: " << aParams.has_local_size << std::endl;
- std::cout << "meshsizefilename: " << aParams.meshsizefilename << std::endl;
- std::cout << "has_maxelementvolume_hyp: " << aParams.has_maxelementvolume_hyp << std::endl;
- std::cout << "maxElementVolume: " << aParams.maxElementVolume << std::endl;
- std::cout << "has_LengthFromEdges_hyp: " << aParams.has_LengthFromEdges_hyp << std::endl;
-}
-
-/**
- * @brief Import a param_file into a netgen_params structure
- *
- * @param param_file Name of the file
- * @param aParams Structure to fill
- */
-void import_netgen_params(const std::string param_file, netgen_params& aParams){
- std::ifstream myfile(param_file);
- std::string line;
-
- std::getline(myfile, line);
- aParams.has_netgen_param = std::stoi(line);
- std::getline(myfile, line);
- aParams.maxh = std::stod(line);
- std::getline(myfile, line);
- aParams.minh = std::stod(line);
- std::getline(myfile, line);
- aParams.segmentsperedge = std::stod(line);
- std::getline(myfile, line);
- aParams.grading = std::stod(line);
- std::getline(myfile, line);
- aParams.curvaturesafety = std::stod(line);
- std::getline(myfile, line);
- aParams.secondorder = std::stoi(line);
- std::getline(myfile, line);
- aParams.quad = std::stoi(line);
- std::getline(myfile, line);
- aParams.optimize = std::stoi(line);
- std::getline(myfile, line);
- aParams.fineness = std::stoi(line);
- std::getline(myfile, line);
- aParams.uselocalh = std::stoi(line);
- std::getline(myfile, line);
- aParams.merge_solids = std::stoi(line);
- std::getline(myfile, line);
- aParams.chordalError = std::stod(line);
- std::getline(myfile, line);
- aParams.optsteps2d = std::stoi(line);
- std::getline(myfile, line);
- aParams.optsteps3d = std::stoi(line);
- std::getline(myfile, line);
- aParams.elsizeweight = std::stod(line);
- std::getline(myfile, line);
- aParams.opterrpow = std::stoi(line);
- std::getline(myfile, line);
- aParams.delaunay = std::stoi(line);
- std::getline(myfile, line);
- aParams.checkoverlap = std::stoi(line);
- std::getline(myfile, line);
- aParams.checkchartboundary = std::stoi(line);
- std::getline(myfile, line);
- aParams.closeedgefac = std::stoi(line);
- std::getline(myfile, line);
- aParams.has_local_size = std::stoi(line);
- std::getline(myfile, line);
- aParams.meshsizefilename = line;
- std::getline(myfile, line);
- aParams.has_maxelementvolume_hyp = std::stoi(line);
- std::getline(myfile, line);
- aParams.maxElementVolume = std::stod(line);
- std::getline(myfile, line);
- aParams.maxElementVolume = std::stoi(line);
-
- myfile.close();
-};
-
-/**
- * @brief Writes the content of a netgen_param into a file
- *
- * @param param_file the file
- * @param aParams the object
- */
-void export_netgen_params(const std::string param_file, netgen_params& aParams){
- std::ofstream myfile(param_file);
- myfile << aParams.has_netgen_param << std::endl;
- myfile << aParams.maxh << std::endl;
- myfile << aParams.minh << std::endl;
- myfile << aParams.segmentsperedge << std::endl;
- myfile << aParams.grading << std::endl;
- myfile << aParams.curvaturesafety << std::endl;
- myfile << aParams.secondorder << std::endl;
- myfile << aParams.quad << std::endl;
- myfile << aParams.optimize << std::endl;
- myfile << aParams.fineness << std::endl;
- myfile << aParams.uselocalh << std::endl;
- myfile << aParams.merge_solids << std::endl;
- myfile << aParams.chordalError << std::endl;
- myfile << aParams.optsteps2d << std::endl;
- myfile << aParams.optsteps3d << std::endl;
- myfile << aParams.elsizeweight << std::endl;
- myfile << aParams.opterrpow << std::endl;
- myfile << aParams.delaunay << std::endl;
- myfile << aParams.checkoverlap << std::endl;
- myfile << aParams.checkchartboundary << std::endl;
- myfile << aParams.closeedgefac << std::endl;
- myfile << aParams.has_local_size << std::endl;
- myfile << aParams.meshsizefilename << std::endl;
- myfile << aParams.has_maxelementvolume_hyp << std::endl;
- myfile << aParams.maxElementVolume << std::endl;
- myfile << aParams.has_LengthFromEdges_hyp << std::endl;
-
- myfile.close();
-};
-
-/**
- * @brief Compares two netgen_parms object
- *
- * @param params1 Object 1
- * @param params2 Object 2
-
- * @return true if the two object are identical
- */
-bool diff_netgen_params(netgen_params params1, netgen_params params2){
- bool ret = true;
- ret &= params1.maxh == params2.maxh;
- ret &= params1.minh == params2.minh;
- ret &= params1.segmentsperedge == params2.segmentsperedge;
- ret &= params1.grading == params2.grading;
- ret &= params1.curvaturesafety == params2.curvaturesafety;
- ret &= params1.secondorder == params2.secondorder;
- ret &= params1.quad == params2.quad;
- ret &= params1.optimize == params2.optimize;
- ret &= params1.fineness == params2.fineness;
- ret &= params1.uselocalh == params2.uselocalh;
- ret &= params1.merge_solids == params2.merge_solids;
- ret &= params1.chordalError == params2.chordalError;
- ret &= params1.optsteps2d == params2.optsteps2d;
- ret &= params1.optsteps3d == params2.optsteps3d;
- ret &= params1.elsizeweight == params2.elsizeweight;
- ret &= params1.opterrpow == params2.opterrpow;
- ret &= params1.delaunay == params2.delaunay;
- ret &= params1.checkoverlap == params2.checkoverlap;
- ret &= params1.checkchartboundary == params2.checkchartboundary;
- ret &= params1.closeedgefac == params2.closeedgefac;
- ret &= params1.has_local_size == params2.has_local_size;
- ret &= params1.meshsizefilename == params2.meshsizefilename;
- ret &= params1.has_maxelementvolume_hyp == params2.has_maxelementvolume_hyp;
- ret &= params1.maxElementVolume == params2.maxElementVolume;
- ret &= params1.has_LengthFromEdges_hyp == params2.has_LengthFromEdges_hyp;
-
- return ret;
-}
+++ /dev/null
-// Copyright (C) 2007-2021 CEA/DEN, EDF R&D, OPEN CASCADE
-//
-// Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
-// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
-//
-// This library 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 2.1 of the License, or (at your option) any later version.
-//
-// This library 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 this library; if not, write to the Free Software
-// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-//
-// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
-//
-
-// File : netgen_param.hxx
-// Author : Yoann AUDOUIN, EDF
-// Module : SMESH
-//
-
-#ifndef _NETGEN_PARAM_HXX_
-#define _NETGEN_PARAM_HXX_
-
-#include <string>
-
-class NETGENPlugin_Hypothesis;
-class StdMeshers_MaxElementVolume;
-class StdMeshers_ViscousLayers;
-
-struct netgen_params{
- // Params from NETGENPlugin_Mesher
- // True if _hypParameters is not null
- bool has_netgen_param=true;
- double maxh;
- double minh;
- double segmentsperedge;
- double grading;
- double curvaturesafety;
- int secondorder;
- int quad;
- bool optimize;
- int fineness;
- bool uselocalh;
- bool merge_solids;
- double chordalError;
- int optsteps2d;
- int optsteps3d;
- double elsizeweight;
- int opterrpow;
- bool delaunay;
- bool checkoverlap;
- bool checkchartboundary;
- int closeedgefac;
-
-
- // TODO: add localsize (pass through local size file ?)
- // True if we have a mesh size file or local size info
- bool has_local_size = false;
- std::string meshsizefilename;
-
- // Params from NETGEN3D
- // True if _hypMaxElementVolume is not null
- bool has_maxelementvolume_hyp=false;
- double maxElementVolume=0.0;
-
- // to replace
- //NETGENPlugin_Hypothesis * _hypParameters=nullptr;
- // to remove ?
- StdMeshers_MaxElementVolume* _hypMaxElementVolume=nullptr;
- // to remove ?
- StdMeshers_ViscousLayers* _viscousLayersHyp=nullptr;
- //double _progressByTic;
- bool _quadraticMesh=false;
-
- // Params from NETGEN2D
- bool has_LengthFromEdges_hyp=false;
-
- // Number of threads for the mesher
- int nbThreads;
-};
-
-void print_netgen_params(netgen_params& aParams);
-
-void import_netgen_params(const std::string param_file, netgen_params& aParams);
-void export_netgen_params(const std::string param_file, netgen_params& aParams);
-
-bool diff_netgen_params(netgen_params params1, netgen_params params2);
-
-#endif
\ No newline at end of file
+++ /dev/null
-// Copyright (C) 2007-2021 CEA/DEN, EDF R&D, OPEN CASCADE
-//
-// Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
-// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
-//
-// This library 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 2.1 of the License, or (at your option) any later version.
-//
-// This library 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 this library; if not, write to the Free Software
-// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-//
-// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
-//
-
-// File : run_mesher.cxx
-// Author : Yoann AUDOUIN, EDF
-// Module : SMESH
-//
-
-#include "DriverStep.hxx"
-#include "DriverMesh.hxx"
-#include "netgen_param.hxx"
-#include "netgen_mesher.hxx"
-
-#include <SMESH_Mesh.hxx>
-#include <SMESH_Gen.hxx>
-
-#include <TopoDS_Shape.hxx>
-#include <iostream>
-
-#include <chrono>
-
-/**
- * @brief Test of shape Import/Export
- *
- * @param shape_file
- */
-void test_shape(){
-
- std::cout << "Testing Shape Import/Export" << std::endl;
- std::string shape_file = "box.step";
-
- TopoDS_Shape myShape;
-
- // Test 1 import -> export cmp files
- std::string shape_file2 = "/tmp/shape.step";
-
- import_shape(shape_file, myShape);
- export_shape(shape_file2, myShape);
-
- assert(diff_step_file(shape_file, shape_file2));
-
- // Test 2 import->export->import cmp TopoDS_Shape
- std::string shape_file3 = "/tmp/shape2.step";
- TopoDS_Shape myShape1, myShape2;
-
- import_shape(shape_file, myShape1);
-
- export_shape(shape_file3, myShape1);
-
- import_shape(shape_file3, myShape2);
-
- // TODO: See why this does not work
- // TShape seems to be different
- //assert(myShape1.IsSame(myShape2));
-
-}
-
-/**
- * @brief test of mesh import/export
- *
- * @param mesh_file
- */
-void test_mesh(){
-
- std::cout << "Testing Mesh Import/Export" << std::endl;
- std::string mesh_file = "box.med";
- SMESH_Gen gen;
-
- SMESH_Mesh *myMesh = gen.CreateMesh(false);
- std::string mesh_name = "Maillage_1";
-
- // Test 1 import -> export cmp files
- std::string mesh_file2 = "/tmp/mesh.med";
-
- import_mesh(mesh_file, *myMesh, mesh_name);
- export_mesh(mesh_file2, *myMesh, mesh_name);
-
- assert(diff_med_file(mesh_file, mesh_file2, mesh_name));
-
- // TODO: Compare the two med files via dump ?
-
- // Test 2 import->export->import cmp TopoDS_Shape
- std::string mesh_file3 = "/tmp/mesh2.med";
- SMESH_Mesh *myMesh1 = gen.CreateMesh(false);
- SMESH_Mesh *myMesh2 = gen.CreateMesh(false);
-
- import_mesh(mesh_file, *myMesh1, mesh_name);
-
- export_mesh(mesh_file3, *myMesh1, mesh_name);
-
- import_mesh(mesh_file3, *myMesh2, mesh_name);
-
- // TODO: Compare SMESH_Mesh
- //assert(myMesh1==myMesh2);
-}
-
-/**
- * @brief Test of import/export of netgen param
- *
- */
-void test_netgen_params(){
-
- std::string param_file = "/tmp/netgen_param.txt";
- netgen_params myParams, myParams2;
- myParams.has_netgen_param = true;
- myParams.maxh = 34.64;
- myParams.minh = 0.14;
- myParams.segmentsperedge = 15;
- myParams.grading = 0.2;
- myParams.curvaturesafety = 1.5;
- myParams.secondorder = false;
- myParams.quad = false;
- myParams.optimize = true;
- myParams.fineness = 5;
- myParams.uselocalh = true;
- myParams.merge_solids = true;
- myParams.chordalError = -1;
- myParams.optsteps2d = 3;
- myParams.optsteps3d = 3;
- myParams.elsizeweight = 0.2;
- myParams.opterrpow = 2;
- myParams.delaunay = true;
- myParams.checkoverlap = true;
- myParams.checkchartboundary = false;
- myParams.closeedgefac = 2;
- myParams.has_local_size = false;
- myParams.meshsizefilename = "";
- myParams.has_maxelementvolume_hyp = false;
- myParams.maxElementVolume = 0.0;
-
- export_netgen_params(param_file, myParams);
- import_netgen_params(param_file, myParams2);
-
- assert(diff_netgen_params(myParams, myParams2));
-
-};
-
-void test_netgen3d(){
-
- std::cout << "Testing NETGEN 3D mesher" << std::endl;
- netgen3d("box_partial2D1D-2.med",
- "box-2.step",
- "box_param.txt",
- "element_orient.dat",
- "new_element.dat",
- true,
- "box_with3D.med",
- 1);
-
- // TODO: Check result
-}
-
-/**
- * @brief Main function
- *
- * @param argc Number of arguments
- * @param argv Arguments
- *
- * @return error code
- */
-int main(int argc, char *argv[]){
-
- if(argc!=10||(argc==2 && (strcmp(argv[1], "-h") == 0 || strcmp(argv[1], "--help")==0))){
- std::cout << "Error in number of argument"<<std::endl;
- std::cout << "Syntax:"<<std::endl;
- std::cout << "run_mesher MESHER INPUT_MESH_FILE SHAPE_FILE HYPO_FILE" << std::endl;
- std::cout << " ELEM_ORIENT_FILE NB_THREADS" << std::endl;
- std::cout << " NEW_ELEMENT_FILE OUTPUT_MESH_FILE" << std::endl;
- std::cout << std::endl;
- std::cout << "Args:" << std::endl;
- std::cout << " MESHER: mesher to use from (NETGEN3D, NETGEN2D)" << std::endl;
- std::cout << " INPUT_MESH_FILE: MED File containing lower-dimension-elements already meshed" << std::endl;
- std::cout << " SHAPE_FILE: STEP file containing the shape to mesh" << std::endl;
- std::cout << " HYPO_FILE: Ascii file containint the list of parameters" << std::endl;
- 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;
- std::cout << " NB_THREADS: Number of thread to use for the mesher" << std::endl;
- std::cout << " NEW_ELEMENT_FILE: (out) contains elements and nodes added by the meshing" << std::endl;
- std::cout << " OUTPUT_MESH: If !=0 will export mesh into OUTPUT_MESH_FILE " << std::endl;
- std::cout << " OUTPUT_MESH_FILE: MED File containing the mesh after the run of the mesher" << std::endl;
- return 0;
- }
- std::string mesher=argv[1];
- std::string input_mesh_file=argv[2];
- std::string shape_file=argv[3];
- std::string hypo_file=argv[4];
- std::string element_orientation_file=argv[5];
- int nbThreads=std::stoi(argv[6]);
- std::string new_element_file=argv[7];
- bool output_mesh = std::stoi(argv[8]) != 0;
- std::string output_mesh_file=argv[9];
-
- if (mesher=="test"){
- std::cout << "Running tests" << std::endl;
- test_shape();
- test_mesh();
- test_netgen_params();
- test_netgen3d();
- } else if (mesher=="NETGEN3D"){
- auto begin = std::chrono::high_resolution_clock::now();
- netgen3d(input_mesh_file,
- shape_file,
- hypo_file,
- element_orientation_file,
- new_element_file,
- output_mesh,
- output_mesh_file,
- nbThreads);
- auto end = std::chrono::high_resolution_clock::now();
- auto elapsed = std::chrono::duration_cast<std::chrono::nanoseconds>(end - begin);
- std::cout << "Time elapsed: " << elapsed.count()*1e-9 << std::endl;
- } else if (mesher=="NETGEN2D"){
- netgen2d(input_mesh_file,
- shape_file,
- hypo_file,
- element_orientation_file,
- new_element_file,
- output_mesh,
- output_mesh_file);
- } else {
- std::cerr << "Unknown mesher:" << mesher << std::endl;
- }
- return 0;
-}
