1 // Copyright (C) 2007-2015 CEA/DEN, EDF R&D
3 // This library is free software; you can redistribute it and/or
4 // modify it under the terms of the GNU Lesser General Public
5 // License as published by the Free Software Foundation; either
6 // version 2.1 of the License, or (at your option) any later version.
8 // This library is distributed in the hope that it will be useful,
9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 // Lesser General Public License for more details.
13 // You should have received a copy of the GNU Lesser General Public
14 // License along with this library; if not, write to the Free Software
15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
20 #include "MEDPARTITIONER_ParallelTopology.hxx"
21 #include "MEDPARTITIONER_MeshCollectionDriver.hxx"
22 #include "MEDPARTITIONER_MeshCollection.hxx"
23 #include "MEDPARTITIONER_MeshCollectionMedAsciiDriver.hxx"
24 #include "MEDPARTITIONER_ParaDomainSelector.hxx"
25 #include "MEDPARTITIONER_Utils.hxx"
27 #include "MEDCouplingUMesh.hxx"
28 #include "MEDLoader.hxx"
37 #include <libxml/tree.h>
38 #include <libxml/parser.h>
39 #include <libxml/xpath.h>
40 #include <libxml/xpathInternals.h>
42 using namespace MEDPARTITIONER;
44 MeshCollectionMedAsciiDriver::MeshCollectionMedAsciiDriver(MeshCollection* collection):MeshCollectionDriver(collection)
48 /*!reads a MED File v>=2.3
49 * and mounts the corresponding meshes in memory
50 * the connect zones are created from the joints
52 *\param filename ascii file containing the list of MED v2.3 files
55 int MeshCollectionMedAsciiDriver::read(ParaMEDMEM::MEDFileData* filedata)
57 readMEDFileData(filedata);
59 std::vector<MEDPARTITIONER::ConnectZone*> cz; // to fill from filedata
60 std::vector<int*> cellglobal;
61 std::vector<int*> nodeglobal;
62 std::vector<int*> faceglobal;
63 int size = (_collection->getMesh()).size();
64 cellglobal.resize(size);
65 nodeglobal.resize(size);
66 faceglobal.resize(size);
67 for ( int idomain = 0; idomain < size; ++idomain )
69 cellglobal[idomain]=0;
70 faceglobal[idomain]=0;
71 nodeglobal[idomain]=0;
72 if ( (_collection->getMesh())[idomain] && (_collection->getMesh())[idomain]->getNumberOfNodes() > 0 )
73 _collection->setNonEmptyMesh(idomain);
75 //creation of topology from mesh and connect zones
76 ParallelTopology* aPT = new ParallelTopology((_collection->getMesh()), cz, cellglobal, nodeglobal, faceglobal);
77 _collection->setTopology(aPT,true);
82 /*!reads a MED File v>=2.3
83 * and mounts the corresponding meshes in memory
84 * the connect zones are created from the joints
86 *\param filename ascii file containing the list of MED v2.3 files
89 int MeshCollectionMedAsciiDriver::read(const char* filename, ParaDomainSelector* domainSelector)
92 std::vector<int*> cellglobal;
93 std::vector<int*> nodeglobal;
94 std::vector<int*> faceglobal;
97 //reading ascii master file
100 std::ifstream asciiinput(filename);
102 throw INTERP_KERNEL::Exception("Master ASCII File does not exist");
103 char charbuffer[512];
104 asciiinput.getline(charbuffer,512);
106 while (charbuffer[0]=='#')
108 asciiinput.getline(charbuffer,512);
111 //reading number of domains
112 nbdomain=atoi(charbuffer);
113 MyGlobals::_File_Names.resize(nbdomain);
114 MyGlobals::_Mesh_Names.resize(nbdomain);
115 (_collection->getMesh()).resize(nbdomain);
116 cellglobal.resize(nbdomain);
117 nodeglobal.resize(nbdomain);
118 faceglobal.resize(nbdomain);
121 throw INTERP_KERNEL::Exception("Empty ASCII master file");
122 for (int i=0; i<nbdomain;i++)
124 //reading information about the domain
125 std::string mesh,host;
131 asciiinput >> mesh >> idomain >> MyGlobals::_Mesh_Names[i] >> host >> MyGlobals::_File_Names[i];
133 //Setting the name of the global mesh (which should be is the same for all the subdomains)
135 _collection->setName(mesh);
139 throw INTERP_KERNEL::Exception("domain must be written from 1 to N in ASCII file descriptor");
141 if ( !domainSelector || domainSelector->isMyDomain(i))
148 throw INTERP_KERNEL::Exception("I/O error reading parallel MED file");
151 //creation of topology from mesh and connect zones
152 ParallelTopology* aPT = new ParallelTopology((_collection->getMesh()), (_collection->getCZ()), cellglobal, nodeglobal, faceglobal);
153 _collection->setTopology(aPT, true);
155 for (int i=0; i<nbdomain; i++)
157 delete [] cellglobal[i];
158 delete [] nodeglobal[i];
159 delete [] faceglobal[i];
164 /*! writes the collection of meshes in a MED v2.3 file
165 * with the connect zones being written as joints
166 * \param filename name of the ascii file containing the meshes description
168 void MeshCollectionMedAsciiDriver::write(const char* filename, ParaDomainSelector* domainSelector) const
170 int nbdomains=_collection->getMesh().size();
171 std::vector<std::string> filenames;
172 filenames.resize(nbdomains);
174 //loop on the domains
175 for (int idomain=0; idomain<nbdomains; idomain++)
177 std::string distfilename;
178 std::ostringstream suffix;
179 suffix << filename << idomain+1 << ".med";
180 distfilename=suffix.str();
181 filenames[idomain]=distfilename;
183 if ( !domainSelector || domainSelector->isMyDomain( idomain ) )
185 if ( !_collection->getMesh()[idomain]->getNumberOfCells()==0 ) continue;//empty domain
186 MEDLoader::WriteUMesh(distfilename.c_str(),(_collection->getMesh())[idomain],true);
187 //writeSubdomain(idomain, nbdomains, distfilename.c_str(), domainSelector);
192 if ( !domainSelector || domainSelector->rank() == 0 )
194 std::ofstream file(filename);
195 file << "#MED Fichier V 2.3"<<" " << std::endl;
196 file << "#" << " " << std::endl;
197 file << _collection->getMesh().size() << " " << std::endl;
199 for (int idomain=0; idomain<nbdomains; idomain++)
200 file << _collection->getName() <<" "<< idomain+1 << " "
201 << (_collection->getMesh())[idomain]->getName() << " localhost "
202 << filenames[idomain] << " "<< std::endl;