+void SMESHDS_Mesh::compactMesh()
+{
+ int newNodeSize = 0;
+ int nbNodes = myNodes.size();
+ int nbVtkNodes = myGrid->GetNumberOfPoints();
+ MESSAGE("nbNodes=" << nbNodes << " nbVtkNodes=" << nbVtkNodes);
+ int nbNodeTemp = nbVtkNodes;
+ if (nbNodes > nbVtkNodes)
+ nbNodeTemp = nbNodes;
+ vector<int> idNodesOldToNew;
+ idNodesOldToNew.clear();
+ idNodesOldToNew.resize(nbNodeTemp, -1); // all unused id will be -1
+
+ for (int i = 0; i < nbNodes; i++)
+ {
+ if (myNodes[i])
+ {
+ int vtkid = myNodes[i]->getVtkId();
+ idNodesOldToNew[vtkid] = i; // old vtkId --> old smdsId (valid smdsId are >= 0)
+ newNodeSize++;
+ }
+ }
+ bool areNodesModified = (newNodeSize < nbVtkNodes);
+ MESSAGE("------------------------- compactMesh Nodes Modified: " << areNodesModified);
+ areNodesModified = true;
+
+ int newCellSize = 0;
+ int nbCells = myCells.size();
+ int nbVtkCells = myGrid->GetNumberOfCells();
+ MESSAGE("nbCells=" << nbCells << " nbVtkCells=" << nbVtkCells);
+ int nbCellTemp = nbVtkCells;
+ if (nbCells > nbVtkCells)
+ nbCellTemp = nbCells;
+ vector<int> idCellsOldToNew;
+ idCellsOldToNew.clear();
+ idCellsOldToNew.resize(nbCellTemp, -1); // all unused id will be -1
+
+ for (int i = 0; i < nbCells; i++)
+ {
+ if (myCells[i])
+ {
+// //idCellsOldToNew[i] = myCellIdVtkToSmds[i]; // valid vtk indexes are > = 0
+// int vtkid = myCells[i]->getVtkId();
+// idCellsOldToNew[vtkid] = i; // old vtkId --> old smdsId (not used in input)
+ newCellSize++;
+ }
+ }
+ if (areNodesModified)
+ myGrid->compactGrid(idNodesOldToNew, newNodeSize, idCellsOldToNew, newCellSize);
+ else
+ myGrid->compactGrid(idNodesOldToNew, 0, idCellsOldToNew, newCellSize);
+
+ int nbVtkPts = myGrid->GetNumberOfPoints();
+ nbVtkCells = myGrid->GetNumberOfCells();
+ if (nbVtkPts != newNodeSize)
+ {
+ MESSAGE("===> nbVtkPts != newNodeSize " << nbVtkPts << " " << newNodeSize);
+ if (nbVtkPts > newNodeSize) newNodeSize = nbVtkPts; // several points with same SMDS Id
+ }
+ if (nbVtkCells != newCellSize)
+ {
+ MESSAGE("===> nbVtkCells != newCellSize " << nbVtkCells << " " << newCellSize);
+ if (nbVtkCells > newCellSize) newCellSize = nbVtkCells; // several cells with same SMDS Id
+ }
+
+ // --- SMDS_MeshNode and myNodes (id in SMDS and in VTK are the same), myNodeIdFactory
+
+ if (areNodesModified)
+ {
+ MESSAGE("-------------- modify myNodes");
+ SetOfNodes newNodes;
+ newNodes.resize(newNodeSize+1,0); // 0 not used, SMDS numbers 1..n
+ int newSmdsId = 0;
+ for (int i = 0; i < nbNodes; i++)
+ {
+ if (myNodes[i])
+ {
+ newSmdsId++; // SMDS id start to 1
+ int oldVtkId = myNodes[i]->getVtkId();
+ int newVtkId = idNodesOldToNew[oldVtkId];
+ //MESSAGE("myNodes["<< i << "] vtkId " << oldVtkId << " --> " << newVtkId);
+ myNodes[i]->setVtkId(newVtkId);
+ myNodes[i]->setId(newSmdsId);
+ newNodes[newSmdsId] = myNodes[i];
+ //MESSAGE("myNodes["<< i << "] --> newNodes[" << newSmdsId << "]");
+ }
+ }
+ myNodes.swap(newNodes);
+ this->myNodeIDFactory->emptyPool(newSmdsId); // newSmdsId = number of nodes
+ MESSAGE("myNodes.size " << myNodes.size());
+ }
+
+ // --- SMDS_MeshCell, myCellIdVtkToSmds, myCellIdSmdsToVtk, myCells
+
+ int vtkIndexSize = myCellIdVtkToSmds.size();
+ int maxVtkId = -1;
+ for (int oldVtkId = 0; oldVtkId < vtkIndexSize; oldVtkId++)
+ {
+ int oldSmdsId = this->myCellIdVtkToSmds[oldVtkId];
+ if (oldSmdsId > 0)
+ {
+ int newVtkId = idCellsOldToNew[oldVtkId];
+ if (newVtkId > maxVtkId)
+ maxVtkId = newVtkId;
+ //MESSAGE("myCells["<< oldSmdsId << "] vtkId " << oldVtkId << " --> " << newVtkId);
+ myCells[oldSmdsId]->setVtkId(newVtkId);
+ }
+ }
+// MESSAGE("myCells.size()=" << myCells.size()
+// << " myCellIdSmdsToVtk.size()=" << myCellIdSmdsToVtk.size()
+// << " myCellIdVtkToSmds.size()=" << myCellIdVtkToSmds.size() );
+
+ SetOfCells newCells;
+ //vector<int> newSmdsToVtk;
+ vector<int> newVtkToSmds;
+
+ assert(maxVtkId < newCellSize);
+ newCells.resize(newCellSize+1, 0); // 0 not used, SMDS numbers 1..n
+ //newSmdsToVtk.resize(newCellSize+1, -1);
+ newVtkToSmds.resize(newCellSize+1, -1);
+
+ int myCellsSize = myCells.size();
+ int newSmdsId = 0;
+ for (int i = 0; i < myCellsSize; i++)
+ {
+ if (myCells[i])
+ {
+ newSmdsId++; // SMDS id start to 1
+ assert(newSmdsId <= newCellSize);
+ newCells[newSmdsId] = myCells[i];
+ newCells[newSmdsId]->setId(newSmdsId);
+ //MESSAGE("myCells["<< i << "] --> newCells[" << newSmdsId << "]");
+ int idvtk = myCells[i]->getVtkId();
+ //newSmdsToVtk[newSmdsId] = idvtk;
+ assert(idvtk < newCellSize);
+ newVtkToSmds[idvtk] = newSmdsId;
+ }
+ }
+
+ myCells.swap(newCells);
+ //myCellIdSmdsToVtk.swap(newSmdsToVtk);
+ myCellIdVtkToSmds.swap(newVtkToSmds);
+ MESSAGE("myCells.size()=" << myCells.size()
+ << " myCellIdVtkToSmds.size()=" << myCellIdVtkToSmds.size() );
+ this->myElementIDFactory->emptyPool(newSmdsId);
+
+ this->myScript->SetModified(true); // notify GUI client for buildPrs when update
+
+ // --- compact list myNodes and myElements in submeshes
+
+ map<int,SMESHDS_SubMesh*>::iterator it = myShapeIndexToSubMesh.begin();
+ for(; it != myShapeIndexToSubMesh.end(); ++it)
+ {
+ (*it).second->compactList();
+ }
+
+}
+
+void SMESHDS_Mesh::BuildDownWardConnectivity(bool withEdges)
+{
+ myGrid->BuildDownwardConnectivity(withEdges);
+}