mutable const SMDS_MeshElement* myElem;
};
+//=======================================================================
+//function : FindEqualElements
+//purpose :
+//=======================================================================
+void SMESH_MeshEditor::FindEqualElements(set<const SMDS_MeshElement*> & theElements,
+ TListOfListOfElementsID & theGroupsOfElementsID)
+{
+ myLastCreatedElems.Clear();
+ myLastCreatedNodes.Clear();
+
+ typedef set<const SMDS_MeshElement*> TElemsSet;
+ typedef map< SortableElement, int > TMapOfNodeSet;
+ typedef list<int> TGroupOfElems;
+
+ TElemsSet elems;
+ if ( theElements.empty() )
+ { // get all elements in the mesh
+ SMDS_ElemIteratorPtr eIt = GetMeshDS()->elementsIterator();
+ while ( eIt->more() )
+ elems.insert( elems.end(), eIt->next());
+ }
+ else
+ elems = theElements;
+
+ vector< TGroupOfElems > arrayOfGroups;
+ TGroupOfElems groupOfElems;
+ TMapOfNodeSet mapOfNodeSet;
+
+ TElemsSet::iterator elemIt = elems.begin();
+ for ( int i = 0, j=0; elemIt != elems.end(); ++elemIt, ++j ) {
+ const SMDS_MeshElement* curElem = *elemIt;
+ SortableElement SE(curElem);
+ int ind = -1;
+ // check uniqueness
+ pair< TMapOfNodeSet::iterator, bool> pp = mapOfNodeSet.insert(make_pair(SE, i));
+ if( !(pp.second) ) {
+ TMapOfNodeSet::iterator& itSE = pp.first;
+ ind = (*itSE).second;
+ arrayOfGroups[ind].push_back(curElem->GetID());
+ }
+ else {
+ groupOfElems.clear();
+ groupOfElems.push_back(curElem->GetID());
+ arrayOfGroups.push_back(groupOfElems);
+ i++;
+ }
+ }
+
+ vector< TGroupOfElems >::iterator groupIt = arrayOfGroups.begin();
+ for ( ; groupIt != arrayOfGroups.end(); ++groupIt ) {
+ groupOfElems = *groupIt;
+ if ( groupOfElems.size() > 1 ) {
+ groupOfElems.sort();
+ theGroupsOfElementsID.push_back(groupOfElems);
+ }
+ }
+}
//=======================================================================
//function : MergeEqualElements
//purpose : Remove all but one of elements built on the same nodes.
//=======================================================================
-void SMESH_MeshEditor::MergeEqualElements()
+void SMESH_MeshEditor::MergeEqualElements(TListOfListOfElementsID & theGroupsOfElementsID)
{
myLastCreatedElems.Clear();
myLastCreatedNodes.Clear();
+ typedef list<int> TListOfIDs;
+ TListOfIDs rmElemIds; // IDs of elems to remove
+
SMESHDS_Mesh* aMesh = GetMeshDS();
- SMDS_EdgeIteratorPtr eIt = aMesh->edgesIterator();
- SMDS_FaceIteratorPtr fIt = aMesh->facesIterator();
- SMDS_VolumeIteratorPtr vIt = aMesh->volumesIterator();
-
- list< int > rmElemIds; // IDs of elems to remove
-
- for ( int iDim = 1; iDim <= 3; iDim++ ) {
-
- set< SortableElement > setOfNodeSet;
- while ( 1 ) {
- // get next element
- const SMDS_MeshElement* elem = 0;
- if ( iDim == 1 ) {
- if ( eIt->more() ) elem = eIt->next();
- } else if ( iDim == 2 ) {
- if ( fIt->more() ) elem = fIt->next();
- } else {
- if ( vIt->more() ) elem = vIt->next();
- }
- if ( !elem ) break;
-
- SortableElement SE(elem);
-
- // check uniqueness
- pair< set<SortableElement>::iterator, bool> pp = setOfNodeSet.insert(SE);
- if( !(pp.second) ) {
- set<SortableElement>::iterator & itSE = pp.first;
- const SortableElement & SEold = *itSE;
- if( SEold.Get()->GetID() > elem->GetID() ) {
- // keep elem, remove old
- rmElemIds.push_back( SEold.Get()->GetID() );
- // add kept elem in groups of removed one (PAL15188)
- AddToSameGroups( elem, SEold.Get(), GetMeshDS() );
- SEold.Set( elem );
- }
- else { // remove elem
- rmElemIds.push_back( elem->GetID() );
- AddToSameGroups( SEold.Get(), elem, GetMeshDS() );
- }
- }
- }
+ TListOfListOfElementsID::iterator groupsIt = theGroupsOfElementsID.begin();
+ while ( groupsIt != theGroupsOfElementsID.end() ) {
+ TListOfIDs& aGroupOfElemID = *groupsIt;
+ aGroupOfElemID.sort();
+ int elemIDToKeep = aGroupOfElemID.front();
+ const SMDS_MeshElement* elemToKeep = aMesh->FindElement(elemIDToKeep);
+ aGroupOfElemID.pop_front();
+ TListOfIDs::iterator idIt = aGroupOfElemID.begin();
+ while ( idIt != aGroupOfElemID.end() ) {
+ int elemIDToRemove = *idIt;
+ const SMDS_MeshElement* elemToRemove = aMesh->FindElement(elemIDToRemove);
+ // add the kept element in groups of removed one (PAL15188)
+ AddToSameGroups( elemToKeep, elemToRemove, aMesh );
+ rmElemIds.push_back( elemIDToRemove );
+ ++idIt;
+ }
+ ++groupsIt;
}
Remove( rmElemIds, false );
