1 // Copyright (C) 2007-2016 CEA/DEN, EDF R&D, OPEN CASCADE
3 // Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
4 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
6 // This library is free software; you can redistribute it and/or
7 // modify it under the terms of the GNU Lesser General Public
8 // License as published by the Free Software Foundation; either
9 // version 2.1 of the License, or (at your option) any later version.
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 // Lesser General Public License for more details.
16 // You should have received a copy of the GNU Lesser General Public
17 // License along with this library; if not, write to the Free Software
18 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
23 // SMESH SMESHDS : management of mesh data and SMESH document
24 // File : SMESH_SubMesh.cxx
25 // Author : Yves FRICAUD, OCC
29 #include "SMESHDS_SubMesh.hxx"
30 #include "SMESHDS_Mesh.hxx"
32 #include "utilities.h"
33 #include "SMDS_SetIterator.hxx"
40 //================================================================================
44 //================================================================================
46 SMESHDS_SubMesh::SMESHDS_SubMesh(SMESHDS_Mesh *parent, int index)
51 myUnusedIdElements = 0;
54 //================================================================================
58 //================================================================================
60 SMESHDS_SubMesh::~SMESHDS_SubMesh()
64 //=======================================================================
65 //function : AddElement
67 //=======================================================================
69 void SMESHDS_SubMesh::AddElement(const SMDS_MeshElement * ME)
71 if (!IsComplexSubmesh())
73 if ( ME->GetType() == SMDSAbs_Node )
75 AddNode( static_cast< const SMDS_MeshNode* >( ME ));
78 int oldShapeId = ME->getshapeId();
81 if (oldShapeId != myIndex)
83 throw SALOME_Exception
84 (LOCALIZED("add element in subshape already belonging to a subshape"));
86 int idInSubShape = ME->getIdInShape();
87 if (idInSubShape >= 0)
89 MESSAGE("add element in subshape already belonging to that subshape "
90 << ME->GetID() << " " << oldShapeId << " " << idInSubShape);
91 // check if ok: do nothing if ok
92 if (idInSubShape >= (int)myElements.size())
94 throw SALOME_Exception(LOCALIZED("out of bounds"));
96 if (ME != myElements[idInSubShape])
98 throw SALOME_Exception(LOCALIZED("not the same element"));
104 SMDS_MeshElement* elem = (SMDS_MeshElement*) (ME);
105 elem->setShapeId(myIndex);
106 elem->setIdInShape(myElements.size());
107 myElements.push_back(ME);
111 //=======================================================================
112 //function : RemoveElement
114 //=======================================================================
116 bool SMESHDS_SubMesh::RemoveElement(const SMDS_MeshElement * ME, bool isElemDeleted)
122 if (!IsComplexSubmesh())
124 if ( ME->getshapeId() != myIndex ) // elem not in a pool can loose it's data already
127 for ( size_t i = 0; i < myElements.size(); ++i )
128 if ( myElements[i] == ME )
131 ++myUnusedIdElements;
136 int idInSubShape = ME->getIdInShape();
137 SMDS_MeshElement* elem = (SMDS_MeshElement*) (ME);
139 elem->setIdInShape(-1);
140 if ((idInSubShape >= 0) && (idInSubShape < (int) myElements.size()))
142 myElements[idInSubShape] = 0; // this vector entry is no more used
143 if ( ++myUnusedIdElements == (int) myElements.size() )
145 clearVector( myElements );
146 myUnusedIdElements = 0;
155 //=======================================================================
158 //=======================================================================
160 void SMESHDS_SubMesh::AddNode(const SMDS_MeshNode * N)
162 if ( !IsComplexSubmesh() )
164 const int idInSubShape = N->getIdInShape();
165 const int shapeId = N->getshapeId();
166 if ((shapeId > 0) && (idInSubShape >= 0))
168 if ( shapeId != myIndex )
169 throw SALOME_Exception
170 (LOCALIZED("a node being in sub-mesh is added to another sub-mesh"));
171 if ( idInSubShape >= (int)myNodes.size() || myNodes[ idInSubShape ] != N )
172 throw SALOME_Exception
173 (LOCALIZED("a node with wrong idInSubShape is re-added to the same sub-mesh"));
174 return; // already in
176 SMDS_MeshNode* node = (SMDS_MeshNode*)(N);
177 node->setShapeId(myIndex);
178 node->setIdInShape(myNodes.size());
179 myNodes.push_back(N);
183 //=======================================================================
184 //function : RemoveNode
186 //=======================================================================
188 bool SMESHDS_SubMesh::RemoveNode(const SMDS_MeshNode * N, bool isNodeDeleted)
190 if (!IsComplexSubmesh())
192 if ( N->getshapeId() != myIndex )
195 for ( size_t i = 0; i < myNodes.size(); ++i )
196 if ( myNodes[i] == N )
204 int idInSubShape = N->getIdInShape();
205 SMDS_MeshNode* node = (SMDS_MeshNode*) (N);
207 node->setIdInShape(-1);
208 if ((idInSubShape >= 0) && (idInSubShape < (int) myNodes.size()))
210 myNodes[idInSubShape] = 0; // this vector entry is no more used
211 if ( ++myUnusedIdNodes == (int) myNodes.size() )
213 clearVector( myNodes );
223 //=======================================================================
224 //function : NbElements
226 //=======================================================================
228 int SMESHDS_SubMesh::NbElements() const
230 if ( !IsComplexSubmesh() )
231 return myElements.size() - myUnusedIdElements;
234 set<const SMESHDS_SubMesh*>::const_iterator it = mySubMeshes.begin();
235 for ( ; it != mySubMeshes.end(); it++ )
236 nbElems += (*it)->NbElements();
241 //=======================================================================
244 //=======================================================================
246 int SMESHDS_SubMesh::NbNodes() const
248 if ( !IsComplexSubmesh() )
249 return myNodes.size() - myUnusedIdNodes;
252 set<const SMESHDS_SubMesh*>::const_iterator it = mySubMeshes.begin();
253 for ( ; it != mySubMeshes.end(); it++ )
254 nbElems += (*it)->NbNodes();
260 * template class used for iteration on submesh elements. Interface of iterator remains
261 * unchanged after redesign of SMDS to avoid modification everywhere in SMESH.
262 * instances are stored in shared_ptr for automatic destruction.
263 * Container is copied for iteration, because original can be modified
264 * by addition of elements, for instance, and then reallocated (vector)
266 template <class ELEM, typename TSET> class MySetIterator : public SMDS_Iterator<ELEM>
269 typename TSET::const_iterator _it, _end;
272 MySetIterator(const TSET& table)
275 _it = _table.begin();
277 while ((_it != _end) && (*_it == 0))
283 while ((_it != _end) && (*_it == 0))
285 return (_it != _end);
296 // =====================
298 // =====================
300 template<typename VALUE> class MyIterator : public SMDS_Iterator<VALUE>
303 MyIterator (const set<const SMESHDS_SubMesh*>& theSubMeshes)
304 : myMore(false), mySubIt( theSubMeshes.begin() ), mySubEnd( theSubMeshes.end() )
308 while (( !myElemIt.get() || !myElemIt->more() ) && mySubIt != mySubEnd)
310 myElemIt = getElements(*mySubIt);
313 myMore = myElemIt.get() && myElemIt->more();
320 elem = myElemIt->next();
324 virtual boost::shared_ptr< SMDS_Iterator<VALUE> >
325 getElements(const SMESHDS_SubMesh*) const = 0;
329 set<const SMESHDS_SubMesh*>::const_iterator mySubIt, mySubEnd;
330 boost::shared_ptr< SMDS_Iterator<VALUE> > myElemIt;
333 // =====================
334 // class MyElemIterator
335 // =====================
337 class MyElemIterator: public MyIterator<const SMDS_MeshElement*>
340 MyElemIterator (const set<const SMESHDS_SubMesh*>& theSubMeshes)
341 :MyIterator<const SMDS_MeshElement*>( theSubMeshes ) {}
342 SMDS_ElemIteratorPtr getElements(const SMESHDS_SubMesh* theSubMesh) const
343 { return theSubMesh->GetElements(); }
346 // =====================
347 // class MyNodeIterator
348 // =====================
350 class MyNodeIterator: public MyIterator<const SMDS_MeshNode*>
353 MyNodeIterator (const set<const SMESHDS_SubMesh*>& theSubMeshes)
354 :MyIterator<const SMDS_MeshNode*>( theSubMeshes ) {}
355 SMDS_NodeIteratorPtr getElements(const SMESHDS_SubMesh* theSubMesh) const
356 { return theSubMesh->GetNodes(); }
359 //=======================================================================
360 //function : GetElements
362 //=======================================================================
364 SMDS_ElemIteratorPtr SMESHDS_SubMesh::GetElements() const
366 if ( IsComplexSubmesh() )
367 return SMDS_ElemIteratorPtr( new MyElemIterator( mySubMeshes ));
369 return SMDS_ElemIteratorPtr
370 (new MySetIterator<const SMDS_MeshElement*, std::vector<const SMDS_MeshElement*> >(myElements));
373 //=======================================================================
374 //function : GetNodes
376 //=======================================================================
378 SMDS_NodeIteratorPtr SMESHDS_SubMesh::GetNodes() const
380 if ( IsComplexSubmesh() )
381 return SMDS_NodeIteratorPtr( new MyNodeIterator( mySubMeshes ));
383 return SMDS_NodeIteratorPtr
384 (new MySetIterator<const SMDS_MeshNode*, std::vector<const SMDS_MeshNode*> >(myNodes));
387 //=======================================================================
388 //function : Contains
389 //purpose : check if elem or node is in
390 //=======================================================================
392 bool SMESHDS_SubMesh::Contains(const SMDS_MeshElement * ME) const
394 // DO NOT TRY TO FIND A REMOVED ELEMENT !!
395 //if ( IsComplexSubmesh() || !ME )
399 if ( IsComplexSubmesh() )
401 set<const SMESHDS_SubMesh*>::const_iterator aSubIt = mySubMeshes.begin();
402 for (; aSubIt != mySubMeshes.end(); aSubIt++)
403 if ((*aSubIt)->Contains(ME))
408 if (ME->GetType() == SMDSAbs_Node)
410 int idInShape = ME->getIdInShape();
411 if ((idInShape >= 0) && (idInShape < (int) myNodes.size()))
412 if (myNodes[idInShape] == ME)
417 int idInShape = ME->getIdInShape();
418 if ((idInShape >= 0) && (idInShape < (int) myElements.size()))
419 if (myElements[idInShape] == ME)
425 //=======================================================================
426 //function : IsQuadratic
427 //purpose : Return true if my 1st element is quadratic
428 //=======================================================================
430 bool SMESHDS_SubMesh::IsQuadratic() const
432 if ( IsComplexSubmesh() )
434 set<const SMESHDS_SubMesh*>::const_iterator aSubIt = mySubMeshes.begin();
435 for (; aSubIt != mySubMeshes.end(); aSubIt++)
436 if ((*aSubIt)->IsQuadratic())
441 for ( size_t i = 0; i < myElements.size(); ++i )
443 return myElements[i]->IsQuadratic();
448 //=======================================================================
449 //function : AddSubMesh
451 //=======================================================================
453 void SMESHDS_SubMesh::AddSubMesh( const SMESHDS_SubMesh* theSubMesh )
455 ASSERT( theSubMesh );
456 mySubMeshes.insert( theSubMesh );
459 //=======================================================================
460 //function : RemoveSubMesh
462 //=======================================================================
464 bool SMESHDS_SubMesh::RemoveSubMesh( const SMESHDS_SubMesh* theSubMesh )
466 return mySubMeshes.erase( theSubMesh );
469 //=======================================================================
470 //function : RemoveAllSubmeshes
472 //=======================================================================
474 void SMESHDS_SubMesh::RemoveAllSubmeshes()
479 //=======================================================================
480 //function : ContainsSubMesh
482 //=======================================================================
484 bool SMESHDS_SubMesh::ContainsSubMesh( const SMESHDS_SubMesh* theSubMesh ) const
486 return mySubMeshes.find( theSubMesh ) != mySubMeshes.end();
489 //=======================================================================
490 //function : GetSubMeshIterator
492 //=======================================================================
494 SMESHDS_SubMeshIteratorPtr SMESHDS_SubMesh::GetSubMeshIterator() const
496 typedef set<const SMESHDS_SubMesh*>::const_iterator TIterator;
497 return SMESHDS_SubMeshIteratorPtr
498 ( new SMDS_SetIterator< const SMESHDS_SubMesh*, TIterator >( mySubMeshes.begin(),
502 //=======================================================================
504 //purpose : remove the contents
505 //=======================================================================
507 void SMESHDS_SubMesh::Clear()
509 if ( myParent && myParent->NbNodes() > 0 )
511 for ( size_t i = 0; i < myElements.size(); ++i )
513 if ( myElements[i] &&
514 myElements[i]->GetID() > 0 &&
515 myElements[i] == myParent->FindElement( myElements[i]->GetID() )) // not deleted
516 const_cast< SMDS_MeshElement* >( myElements[i] )->setShapeId( 0 );
518 for ( size_t i = 0; i < myNodes.size(); ++i )
521 myNodes[i]->GetID() > 0 &&
522 myNodes[i] == myParent->FindNode( myNodes[i]->GetID() )) // not deleted
523 const_cast< SMDS_MeshNode* >( myNodes[i] )->setShapeId( 0 );
527 clearVector( myElements );
528 clearVector( myNodes );
530 myUnusedIdElements = 0;
531 if ( NbSubMeshes() > 0 )
533 SMESHDS_SubMeshIteratorPtr sub = GetSubMeshIterator();
534 while ( sub->more() ) {
535 if ( SMESHDS_SubMesh* sm = (SMESHDS_SubMesh*) sub->next())
541 int SMESHDS_SubMesh::getSize()
544 int d = NbElements();
548 void SMESHDS_SubMesh::compactList()
550 if ( myUnusedIdElements > 0 )
552 std::vector<const SMDS_MeshElement*> newElems;
553 newElems.reserve( myElements.size() - myUnusedIdElements );
554 for ( size_t i = 0; i < myElements.size(); i++)
557 SMDS_MeshElement* elem = (SMDS_MeshElement*)myElements[i];
558 elem->setIdInShape( newElems.size() );
559 newElems.push_back( elem );
561 myElements.swap(newElems);
562 myUnusedIdElements = 0;
565 if ( myUnusedIdNodes > 0 )
567 std::vector<const SMDS_MeshNode*> newNodes;
568 newNodes.reserve( myNodes.size() - myUnusedIdNodes );
569 for ( size_t i = 0; i < myNodes.size(); i++ )
572 SMDS_MeshNode* node = (SMDS_MeshNode*)myNodes[i];
573 node->setIdInShape( newNodes.size() );
574 newNodes.push_back( node );
576 myNodes.swap(newNodes);
581 //=======================================================================
582 //function : GetElement
583 //purpose : Return an element by its IdInShape
584 //=======================================================================
586 const SMDS_MeshElement* SMESHDS_SubMesh::GetElement( size_t idInShape ) const
588 return ( !IsComplexSubmesh() && idInShape < myElements.size() ) ? myElements[idInShape] : 0;
591 //=======================================================================
592 //function : GetElement
593 //purpose : Return a node by its IdInShape
594 //=======================================================================
596 const SMDS_MeshNode* SMESHDS_SubMesh::GetNode( size_t idInShape ) const
598 return ( !IsComplexSubmesh() && idInShape < myNodes.size() ) ? myNodes[idInShape] : 0;