1 // Copyright (C) 2007-2012 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.
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 #ifndef __MEDPARTITIONER_MESHCOLLECTION_HXX__
21 #define __MEDPARTITIONER_MESHCOLLECTION_HXX__
23 #include "MEDPARTITIONER.hxx"
24 #include "MEDPARTITIONER_Graph.hxx"
26 #include "MEDCouplingUMesh.hxx"
36 class MEDCouplingUMesh;
40 namespace MEDPARTITIONER
43 class MeshCollectionDriver;
44 class ParaDomainSelector;
49 typedef enum{MedAscii, MedXml, Undefined} DriverType;
50 typedef std::multimap<std::pair<int,int>, std::pair<int,int> > NodeMapping ;
51 typedef std::vector<std::pair<int,int> > NodeList;
53 class MEDPARTITIONER_EXPORT MeshCollection
57 //Constructing from an existing mesh and a new topology
58 MeshCollection(MeshCollection&, Topology*, bool family_splitting=false, bool create_empty_groups=false);
59 //Constructing the mesh collection from a file
60 MeshCollection(const std::string& filename);
61 //Constructing the mesh collection from a file
62 MeshCollection(const std::string& filename, ParaDomainSelector& domainSelector);
63 //Constructing the mesh collection from a file
64 MeshCollection(const std::string& filename, const std::string& meshname);
66 bool isParallelMode() const { return _domain_selector; }
68 //writing to a distributed file
69 void write(const std::string& filename);
72 MeshCollectionDriver *retrieveDriver();
73 MeshCollectionDriver *getDriver() const;
74 void setDriverType(MEDPARTITIONER::DriverType type) { _driver_type=type; }
76 //creation of the cell graph
77 void buildCellGraph(MEDPARTITIONER::SkyLineArray* & array,int *& edgeweights );
78 //creation and partition of the associated graph
79 Topology* createPartition(int nbdomain, Graph::splitter_type type = Graph::METIS,
80 const std::string& ="", int* edgeweights=0, int* verticesweights=0);
82 //creation of a user specified partition
83 Topology* createPartition(const int* partition);
85 //getting mesh dimension
86 int getMeshDimension() const;
87 int getNbOfLocalMeshes() const;
88 int getNbOfGlobalMeshes() const { return _mesh.size(); }
89 int getNbOfLocalCells() const;
90 int getNbOfLocalFaces() const;
92 //getting a reference to mesh vector
93 std::vector<ParaMEDMEM::MEDCouplingUMesh*>& getMesh();
94 std::vector<ParaMEDMEM::MEDCouplingUMesh*>& getFaceMesh();
95 std::vector<std::vector<ParaMEDMEM::MEDCouplingUMesh*> >& getGroupMeshes();
97 ParaMEDMEM::MEDCouplingUMesh* getMesh(int idomain) const;
98 ParaMEDMEM::MEDCouplingUMesh* getFaceMesh(int idomain);
99 std::vector<ParaMEDMEM::MEDCouplingUMesh*>& getGroupMeshes(int idomain);
101 std::vector<ParaMEDMEM::DataArrayInt*>& getCellFamilyIds() { return _cell_family_ids; }
102 std::vector<ParaMEDMEM::DataArrayInt*>& getFaceFamilyIds() { return _face_family_ids; }
104 std::map<std::string, ParaMEDMEM::DataArrayInt*>& getMapDataArrayInt() { return _map_dataarray_int; }
105 std::map<std::string, ParaMEDMEM::DataArrayDouble*>& getMapDataArrayDouble() { return _map_dataarray_double; }
107 std::map<std::string,int>& getFamilyInfo() { return _family_info; }
108 std::map<std::string, std::vector<std::string> >& getGroupInfo() { return _group_info; }
110 ParaMEDMEM::DataArrayDouble* getField(std::string descriptionField, int iold);
111 std::vector<std::string>& getFieldDescriptions() { return _field_descriptions; }
112 void prepareFieldDescriptions();
113 void filterFaceOnCell();
115 //getting a reference to connect zones vector
116 std::vector<MEDPARTITIONER::ConnectZone*>& getCZ();
118 //getting a pointer to topology
119 Topology* getTopology() const ;
120 ParaDomainSelector* getParaDomainSelector() const { return _domain_selector; }
121 //setting a new topology
122 void setTopology(Topology* topology);
124 //getting/setting the name of the global mesh (as opposed
125 //to the name of a subdomain \a nn, which is name_nn)
126 std::string getName() const { return _name; }
127 void setName(const std::string& name) { _name=name; }
128 void setDomainNames(const std::string& name);
130 //getting/setting the description of the global mesh
131 std::string getDescription() const { return _description; }
132 void setDescription(const std::string& name) { _description=name; }
134 //creates the node mapping between an old collection and the present one
135 void createNodeMapping(MeshCollection& initialCollection,
136 std::multimap<std::pair<int,int>,std::pair<int,int> >& nodeMapping);
138 void castCellMeshes(MeshCollection& initialCollection,
139 std::vector<std::vector<std::vector<int> > >& new2oldIds);
141 //creates faces on the new collection
142 void castFaceMeshes(MeshCollection& initialCollection,
143 const std::multimap<std::pair<int,int>, std::pair<int,int> >& nodeMapping,
144 std::vector<std::vector<std::vector<int> > >& new2oldIds);
147 void castIntField(std::vector<ParaMEDMEM::MEDCouplingUMesh*>& meshesCastFrom,
148 std::vector<ParaMEDMEM::MEDCouplingUMesh*>& meshesCastTo,
149 std::vector<ParaMEDMEM::DataArrayInt*>& arrayFrom,
150 std::string nameArrayTo);
152 void castAllFields(MeshCollection& initialCollection,
153 std::string nameArrayTo);
155 void findCommonDistantNodes(std::vector<std::vector<std::multimap<int,int> > >& commonDistantNodes);
158 void remapIntField(int inew, int iold,
159 const ParaMEDMEM::MEDCouplingUMesh& sourceMesh,
160 const ParaMEDMEM::MEDCouplingUMesh& targetMesh,
161 const int* fromArray,
162 std::string nameArrayTo,
163 const BBTree<3,int>* tree);
165 void remapDoubleField(int inew, int iold,
166 ParaMEDMEM::DataArrayDouble* fromArray,
167 std::string nameArrayTo,
168 std::string descriptionField);
171 //link to mesh_collection topology
174 //control over topology
177 //Driver for read/write operations
178 MeshCollectionDriver* _driver;
180 //Parallelizer - mark of parallel execution mode
181 ParaDomainSelector* _domain_selector;
184 std::vector<ParaMEDMEM::MEDCouplingUMesh*> _mesh;
185 std::vector<ParaMEDMEM::MEDCouplingUMesh*> _face_mesh;
187 //index of a non empty mesh within _mesh (in parallel mode all of meshes can be empty)
188 int _i_non_empty_mesh;
190 //links to connectzones
191 std::vector<MEDPARTITIONER::ConnectZone*> _connect_zones;
193 //family ids storages
194 std::vector<ParaMEDMEM::DataArrayInt*> _cell_family_ids;
195 std::vector<ParaMEDMEM::DataArrayInt*> _face_family_ids;
197 //DataArrayInt* storages
198 std::map<std::string, ParaMEDMEM::DataArrayInt*> _map_dataarray_int;
199 //DataArrayDouble* storages
200 std::map<std::string, ParaMEDMEM::DataArrayDouble*> _map_dataarray_double;
202 //fields to be partitioned
203 std::vector<std::string> _field_descriptions;
205 //group family conversion
206 std::map<std::string, int> _family_info;
207 std::map<std::string, std::vector<std::string> > _group_info;
209 //list of groups that are not to be splitted
210 std::vector<std::string> _indivisible_regions;
212 //name of global mesh
215 //description of global mesh
216 std::string _description;
218 //specifies the driver associated to the collection
219 DriverType _driver_type;
221 //flag specifying that the splitter should create boundary constituent entity
222 //so that they are written in joints
223 bool _subdomain_boundary_creates;
225 //flag specifying that families must be preserved by the splitting
226 bool _family_splitting;
228 //flag specifying that groups must be created on all domains, even if they are empty
229 bool _create_empty_groups;
231 JointFinder* _joint_finder;