1 // Copyright (C) 2007-2020 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 SMESH : implementation of SMESH idl descriptions
24 // File : StdMeshers_Import_1D.cxx
27 #include "StdMeshers_Import_1D.hxx"
28 #include "StdMeshers_ImportSource.hxx"
30 #include "SMDS_MeshElement.hxx"
31 #include "SMDS_MeshNode.hxx"
32 #include "SMESHDS_Group.hxx"
33 #include "SMESHDS_Mesh.hxx"
34 #include "SMESH_Comment.hxx"
35 #include "SMESH_Gen.hxx"
36 #include "SMESH_Group.hxx"
37 #include "SMESH_HypoFilter.hxx"
38 #include "SMESH_Mesh.hxx"
39 #include "SMESH_MeshEditor.hxx"
40 #include "SMESH_MesherHelper.hxx"
41 #include "SMESH_Octree.hxx"
42 #include "SMESH_subMesh.hxx"
43 #include "SMESH_subMeshEventListener.hxx"
45 #include "Utils_SALOME_Exception.hxx"
46 #include "utilities.h"
48 #include <BRepAdaptor_Curve.hxx>
49 #include <BRep_Builder.hxx>
50 #include <BRep_Tool.hxx>
51 #include <BndLib_Add3dCurve.hxx>
52 #include <GCPnts_TangentialDeflection.hxx>
53 #include <ShapeAnalysis_Curve.hxx>
55 #include <TopExp_Explorer.hxx>
57 #include <TopoDS_Compound.hxx>
58 #include <TopoDS_Edge.hxx>
59 #include <TopoDS_Vertex.hxx>
63 //================================================================================
64 namespace // INTERNAL STUFF
65 //================================================================================
68 * \brief Compute point position on a curve. Use octree to fast reject far points
70 class CurveProjector : public SMESH_Octree
73 CurveProjector( const TopoDS_Edge& edge, double enlarge );
75 bool IsOnCurve( const gp_XYZ& point, double & distance2, double & u );
77 bool IsOut( const gp_XYZ& point ) const { return getBox()->IsOut( point ); }
81 SMESH_Octree* newChild() const { return new CurveProjector; }
82 void buildChildrenData();
83 Bnd_B3d* buildRootBox();
86 struct CurveSegment : public Bnd_B3d
88 double _chord, _chord2, _length2;
89 gp_Pnt _pFirst, _pLast;
91 Handle(Geom_Curve) _curve;
94 void Init( const gp_Pnt& pf, const gp_Pnt& pl,
95 double uf, double ul, double tol, Handle(Geom_Curve)& curve );
96 bool IsOn( const gp_XYZ& point, double & distance2, double & u );
97 bool IsInContact( const Bnd_B3d& bb );
99 std::vector< CurveSegment > _segments;
102 //===============================================================================
104 * \brief Create an octree of curve segments
106 //================================================================================
108 CurveProjector::CurveProjector( const TopoDS_Edge& edge, double enlarge )
112 Handle(Geom_Curve) curve = BRep_Tool::Curve( edge, f, l );
113 double curDeflect = 0.3; // Curvature deflection
114 double angDeflect = 1e+100; // Angular deflection - don't control chordal error
115 GCPnts_TangentialDeflection div( BRepAdaptor_Curve( edge ), angDeflect, curDeflect );
116 _segments.resize( div.NbPoints() - 1 );
117 for ( int i = 1; i < div.NbPoints(); ++i )
119 _segments[ i - 1 ].Init( div.Value( i ), div.Value( i+1 ),
120 div.Parameter( i ), div.Parameter( i+1 ),
123 catch ( Standard_Failure ) {
124 _segments.resize( _segments.size() - 1 );
127 if ( _segments.size() < 3 )
132 if ( _segments.size() == 1 )
133 myBox->Enlarge( enlarge );
136 //================================================================================
138 * \brief Return the maximal box
140 //================================================================================
142 Bnd_B3d* CurveProjector::buildRootBox()
144 Bnd_B3d* box = new Bnd_B3d;
145 for ( size_t i = 0; i < _segments.size(); ++i )
146 box->Add( _segments[i] );
150 //================================================================================
152 * \brief Redistribute segments among children
154 //================================================================================
156 void CurveProjector::buildChildrenData()
159 for ( size_t i = 0; i < _segments.size(); ++i )
161 for (int j = 0; j < 8; j++)
163 if ( _segments[i].IsInContact( *myChildren[j]->getBox() ))
164 ((CurveProjector*)myChildren[j])->_segments.push_back( _segments[i]);
169 if ( allIn && _segments.size() < 3 )
172 for (int j = 0; j < 8; j++)
173 static_cast<CurveProjector*>( myChildren[j])->myIsLeaf = true;
177 SMESHUtils::FreeVector( _segments ); // = _segments.clear() + free memory
179 for (int j = 0; j < 8; j++)
181 CurveProjector* child = static_cast<CurveProjector*>( myChildren[j]);
182 if ( child->_segments.size() < 3 )
183 child->myIsLeaf = true;
188 //================================================================================
190 * \brief Return true if a point is close to the curve
191 * \param [in] point - the point
192 * \param [out] distance2 - distance to the curve
193 * \param [out] u - parameter on the curve
194 * \return bool - is the point is close to the curve
196 //================================================================================
198 bool CurveProjector::IsOnCurve( const gp_XYZ& point, double & distance2, double & u )
200 if ( getBox()->IsOut( point ))
205 for ( size_t i = 0; i < _segments.size(); ++i )
206 if ( !_segments[i].IsOut( point ) &&
207 _segments[i].IsOn( point, distance2, u ))
212 for (int i = 0; i < 8; i++)
213 if (((CurveProjector*) myChildren[i])->IsOnCurve( point, distance2, u ))
219 //================================================================================
223 //================================================================================
225 void CurveProjector::CurveSegment::Init(const gp_Pnt& pf,
230 Handle(Geom_Curve)& curve )
235 _length2 = pf.SquareDistance( pl );
236 _chord2 = Max( _line. SquareDistance( curve->Value( uf + 0.25 * ( ul - uf ))),
237 Max( _line.SquareDistance( curve->Value( uf + 0.5 * ( ul - uf ))),
238 _line.SquareDistance( curve->Value( uf + 0.75 * ( ul - uf )))));
239 _chord2 = Max( tol, _chord2 );
240 _chord = Sqrt( _chord2 );
241 _line.SetLocation( pf );
242 _line.SetDirection( gp_Vec( pf, pl ));
245 BndLib_Add3dCurve::Add( GeomAdaptor_Curve( curve, uf, ul ), tol, bb );
246 Add( bb.CornerMin() );
247 Add( bb.CornerMax() );
250 //================================================================================
252 * \brief Return true if a point is close to the curve segment
253 * \param [in] point - the point
254 * \param [out] distance2 - distance to the curve
255 * \param [out] u - parameter on the curve
256 * \return bool - is the point is close to the curve segment
258 //================================================================================
260 bool CurveProjector::CurveSegment::IsOn( const gp_XYZ& point, double & distance2, double & u )
262 distance2 = _line.SquareDistance( point );
263 if ( distance2 > _chord2 )
266 // check if the point projection falls into the segment range
268 gp_Vec edge( _pFirst, _pLast );
269 gp_Vec n1p ( _pFirst, point );
270 u = ( edge * n1p ) / _length2; // param [0,1] on the edge
273 if ( _pFirst.SquareDistance( point ) > _chord2 )
276 else if ( u > _chord )
278 if ( _pLast.SquareDistance( point ) > _chord2 )
283 distance2 = ShapeAnalysis_Curve().Project( _curve, point, Precision::Confusion(),
285 distance2 *= distance2;
289 //================================================================================
291 * \brief Check if the segment is in contact with a box
293 //================================================================================
295 bool CurveProjector::CurveSegment::IsInContact( const Bnd_B3d& bb )
297 if ( bb.IsOut( _line.Position(), /*isRay=*/true, _chord ))
300 gp_Ax1 axRev = _line.Position().Reversed();
301 axRev.SetLocation( _pLast );
302 return !bb.IsOut( axRev, /*isRay=*/true, _chord );
305 //================================================================================
306 //================================================================================
308 int getSubmeshIDForCopiedMesh(const SMESHDS_Mesh* srcMeshDS, SMESH_Mesh* tgtMesh);
310 enum _ListenerDataType
312 WAIT_HYP_MODIF=1, // data indicating awaiting for valid parameters of src hyp
313 LISTEN_SRC_MESH, // data storing submesh depending on source mesh state
314 SRC_HYP // data storing ImportSource hyp
316 //================================================================================
318 * \brief _ListenerData holding ImportSource hyp holding in its turn
321 struct _ListenerData : public SMESH_subMeshEventListenerData
323 const StdMeshers_ImportSource1D* _srcHyp;
324 _ListenerData(const StdMeshers_ImportSource1D* h, _ListenerDataType type=SRC_HYP):
325 SMESH_subMeshEventListenerData(/*isDeletable=*/true), _srcHyp(h)
330 //================================================================================
332 * \brief Comparator of sub-meshes
336 bool operator()(const SMESH_subMesh* sm1, const SMESH_subMesh* sm2 ) const
338 if ( sm1 == sm2 ) return false;
339 if ( !sm1 || !sm2 ) return sm1 < sm2;
340 const TopoDS_Shape& s1 = sm1->GetSubShape();
341 const TopoDS_Shape& s2 = sm2->GetSubShape();
342 TopAbs_ShapeEnum t1 = s1.IsNull() ? TopAbs_SHAPE : s1.ShapeType();
343 TopAbs_ShapeEnum t2 = s2.IsNull() ? TopAbs_SHAPE : s2.ShapeType();
346 return t1 < t2; // to have: face < edge
349 //================================================================================
351 * \brief Container of data dedicated to one source mesh
355 const SMESH_Mesh* _srcMesh;
356 StdMeshers_Import_1D::TNodeNodeMap _n2n;
357 StdMeshers_Import_1D::TElemElemMap _e2e;
359 set< SMESH_subMesh*, _SubLess > _subM; // submeshes relating to this srcMesh
360 set< SMESH_subMesh*, _SubLess > _copyMeshSubM; // submeshes requesting mesh copying
361 set< SMESH_subMesh*, _SubLess > _copyGroupSubM; // submeshes requesting group copying
362 set< SMESH_subMesh*, _SubLess > _computedSubM;
364 SMESHDS_SubMesh* _importMeshSubDS; // submesh storing a copy of _srcMesh
365 int _importMeshSubID; // id of _importMeshSubDS
367 _ImportData(const SMESH_Mesh* srcMesh=0):
368 _srcMesh(srcMesh), _importMeshSubDS(0),_importMeshSubID(-1) {}
370 void removeImportedMesh( SMESHDS_Mesh* meshDS )
372 if ( !_importMeshSubDS ) return;
373 SMDS_ElemIteratorPtr eIt = _importMeshSubDS->GetElements();
374 while ( eIt->more() )
375 meshDS->RemoveFreeElement( eIt->next(), 0, /*fromGroups=*/false );
376 SMDS_NodeIteratorPtr nIt = _importMeshSubDS->GetNodes();
377 while ( nIt->more() )
378 meshDS->RemoveFreeNode( nIt->next(), 0, /*fromGroups=*/false );
379 _importMeshSubDS->Clear();
383 void removeGroups( SMESH_subMesh* subM, const StdMeshers_ImportSource1D* srcHyp )
385 if ( !srcHyp ) return;
386 SMESH_Mesh* tgtMesh = subM->GetFather();
387 const SMESHDS_Mesh* tgtMeshDS = tgtMesh->GetMeshDS();
388 const SMESHDS_Mesh* srcMeshDS = _srcMesh->GetMeshDS();
389 vector<SMESH_Group*>* groups =
390 const_cast<StdMeshers_ImportSource1D*>(srcHyp)->GetResultGroups(*srcMeshDS,*tgtMeshDS);
393 for ( unsigned i = 0; i < groups->size(); ++i )
394 tgtMesh->RemoveGroup( groups->at(i)->GetGroupDS()->GetID() );
398 void trackHypParams( SMESH_subMesh* sm, const StdMeshers_ImportSource1D* srcHyp )
400 if ( !srcHyp ) return;
401 bool toCopyMesh, toCopyGroups;
402 srcHyp->GetCopySourceMesh(toCopyMesh, toCopyGroups);
404 if ( toCopyMesh )_copyMeshSubM.insert( sm );
405 else _copyMeshSubM.erase( sm );
407 if ( toCopyGroups ) _copyGroupSubM.insert( sm );
408 else _copyGroupSubM.erase( sm );
410 void addComputed( SMESH_subMesh* sm )
412 SMESH_subMeshIteratorPtr smIt = sm->getDependsOnIterator(/*includeSelf=*/true,
413 /*complexShapeFirst=*/true);
414 while ( smIt->more() )
417 switch ( sm->GetSubShape().ShapeType() )
420 if ( SMESH_Algo::isDegenerated( TopoDS::Edge( sm->GetSubShape() )))
424 if ( !sm->IsEmpty() )
425 _computedSubM.insert( sm );
433 //================================================================================
435 * Listener notified on events relating to imported submesh
437 class _Listener : public SMESH_subMeshEventListener
439 typedef map< SMESH_Mesh*, list< _ImportData > > TMesh2ImpData;
440 TMesh2ImpData _tgtMesh2ImportData;
442 _Listener():SMESH_subMeshEventListener(/*isDeletable=*/false,
443 "StdMeshers_Import_1D::_Listener") {}
446 // return pointer to a static listener
447 static _Listener* get() { static _Listener theListener; return &theListener; }
449 static _ImportData* getImportData(const SMESH_Mesh* srcMesh, SMESH_Mesh* tgtMesh);
451 static void storeImportSubmesh(SMESH_subMesh* importSub,
452 const SMESH_Mesh* srcMesh,
453 const StdMeshers_ImportSource1D* srcHyp);
455 virtual void ProcessEvent(const int event,
457 SMESH_subMesh* subMesh,
458 SMESH_subMeshEventListenerData* data,
459 const SMESH_Hypothesis* hyp);
460 void removeSubmesh( SMESH_subMesh* sm, _ListenerData* data );
461 void clearSubmesh ( SMESH_subMesh* sm, _ListenerData* data, bool clearAllSub );
462 void clearN2N ( SMESH_Mesh* tgtMesh );
464 // mark sm as missing src hyp with valid groups
465 static void waitHypModification(SMESH_subMesh* sm)
468 (get(), SMESH_subMeshEventListenerData::MakeData( sm, WAIT_HYP_MODIF ), sm);
471 //--------------------------------------------------------------------------------
473 * \brief Find or create ImportData for given meshes
475 _ImportData* _Listener::getImportData(const SMESH_Mesh* srcMesh,
478 list< _ImportData >& dList = get()->_tgtMesh2ImportData[tgtMesh];
479 list< _ImportData >::iterator d = dList.begin();
480 for ( ; d != dList.end(); ++d )
481 if ( d->_srcMesh == srcMesh )
483 dList.push_back(_ImportData(srcMesh));
484 return &dList.back();
487 //--------------------------------------------------------------------------------
489 * \brief Remember an imported sub-mesh and set needed even listeners
490 * \param importSub - submesh computed by Import algo
491 * \param srcMesh - source mesh
492 * \param srcHyp - ImportSource hypothesis
494 void _Listener::storeImportSubmesh(SMESH_subMesh* importSub,
495 const SMESH_Mesh* srcMesh,
496 const StdMeshers_ImportSource1D* srcHyp)
498 // set listener to hear events of the submesh computed by "Import" algo
499 importSub->SetEventListener( get(), new _ListenerData(srcHyp), importSub );
501 // set listeners to hear events of the source mesh
502 SMESH_subMesh* smToNotify = importSub;
503 vector<SMESH_subMesh*> smToListen = srcHyp->GetSourceSubMeshes( srcMesh );
504 for ( size_t i = 0; i < smToListen.size(); ++i )
506 SMESH_subMeshEventListenerData* data = new _ListenerData(srcHyp, LISTEN_SRC_MESH);
507 data->mySubMeshes.push_back( smToNotify );
508 importSub->SetEventListener( get(), data, smToListen[i] );
510 // remember the submesh importSub and its sub-submeshes
511 _ImportData* iData = _Listener::getImportData( srcMesh, importSub->GetFather());
512 iData->trackHypParams( importSub, srcHyp );
513 iData->addComputed( importSub );
514 if ( !iData->_copyMeshSubM.empty() && iData->_importMeshSubID < 1 )
516 SMESH_Mesh* tgtMesh = importSub->GetFather();
517 iData->_importMeshSubID = getSubmeshIDForCopiedMesh( srcMesh->GetMeshDS(),tgtMesh);
518 iData->_importMeshSubDS = tgtMesh->GetMeshDS()->NewSubMesh( iData->_importMeshSubID );
521 //--------------------------------------------------------------------------------
523 * \brief Remove imported mesh and/or groups if needed
524 * \param sm - submesh losing Import algo
525 * \param data - data holding imported groups
527 void _Listener::removeSubmesh( SMESH_subMesh* sm, _ListenerData* data )
529 list< _ImportData > & dList = _tgtMesh2ImportData[ sm->GetFather() ];
530 list< _ImportData >::iterator d = dList.begin();
531 for ( ; d != dList.end(); ++d )
532 if ( (*d)._subM.erase( sm ))
534 d->_computedSubM.erase( sm );
535 bool rmMesh = d->_copyMeshSubM.erase( sm ) && d->_copyMeshSubM.empty();
536 bool rmGroups = (d->_copyGroupSubM.erase( sm ) && d->_copyGroupSubM.empty()) || rmMesh;
538 d->removeImportedMesh( sm->GetFather()->GetMeshDS() );
539 if ( rmGroups && data && data->myType == SRC_HYP )
540 d->removeGroups( sm, data->_srcHyp );
543 //--------------------------------------------------------------------------------
545 * \brief Clear _ImportData::_n2n.
546 * _n2n is useful within one mesh.Compute() only
548 void _Listener::clearN2N( SMESH_Mesh* tgtMesh )
550 list< _ImportData >& dList = get()->_tgtMesh2ImportData[tgtMesh];
551 list< _ImportData >::iterator d = dList.begin();
552 for ( ; d != dList.end(); ++d )
555 //--------------------------------------------------------------------------------
557 * \brief Clear submeshes and remove imported mesh and/or groups if necessary
558 * \param sm - cleared submesh
559 * \param data - data holding imported groups
561 void _Listener::clearSubmesh(SMESH_subMesh* sm, _ListenerData* data, bool clearAllSub)
563 list< _ImportData > & dList = _tgtMesh2ImportData[ sm->GetFather() ];
564 list< _ImportData >::iterator d = dList.begin();
565 for ( ; d != dList.end(); ++d )
567 if ( !d->_subM.count( sm )) continue;
568 if ( (*d)._computedSubM.erase( sm ) )
570 bool copyMesh = !d->_copyMeshSubM.empty();
571 if ( copyMesh || clearAllSub )
573 // remove imported mesh and groups
574 d->removeImportedMesh( sm->GetFather()->GetMeshDS() );
576 if ( data && data->myType == SRC_HYP )
577 d->removeGroups( sm, data->_srcHyp );
579 // clear the rest submeshes
580 if ( !d->_computedSubM.empty() )
582 d->_computedSubM.clear();
583 set< SMESH_subMesh*, _SubLess>::iterator sub = d->_subM.begin();
584 for ( ; sub != d->_subM.end(); ++sub )
586 SMESH_subMesh* subM = *sub;
587 _ListenerData* hypData = (_ListenerData*) subM->GetEventListenerData( get() );
588 if ( hypData && hypData->myType == SRC_HYP )
589 d->removeGroups( sm, hypData->_srcHyp );
591 subM->ComputeStateEngine( SMESH_subMesh::CLEAN );
592 if ( subM->GetSubShape().ShapeType() == TopAbs_FACE )
593 subM->ComputeSubMeshStateEngine( SMESH_subMesh::CLEAN );
597 sm->ComputeStateEngine( SMESH_subMesh::CLEAN );
598 if ( sm->GetSubShape().ShapeType() == TopAbs_FACE )
599 sm->ComputeSubMeshStateEngine( SMESH_subMesh::CLEAN );
601 if ( data && data->myType == SRC_HYP )
602 d->trackHypParams( sm, data->_srcHyp );
607 //--------------------------------------------------------------------------------
609 * \brief Remove imported mesh and/or groups
611 void _Listener::ProcessEvent(const int event,
613 SMESH_subMesh* subMesh,
614 SMESH_subMeshEventListenerData* data,
615 const SMESH_Hypothesis* /*hyp*/)
617 if ( data && data->myType == WAIT_HYP_MODIF )
619 // event of Import submesh
620 if ( SMESH_subMesh::MODIF_HYP == event &&
621 SMESH_subMesh::ALGO_EVENT == eventType )
623 // re-call SetEventListener() to take into account valid parameters
624 // of ImportSource hypothesis
625 if ( SMESH_Algo* algo = subMesh->GetAlgo() )
626 algo->SetEventListener( subMesh );
629 else if ( data && data->myType == LISTEN_SRC_MESH )
631 // event of source mesh
632 if ( SMESH_subMesh::COMPUTE_EVENT == eventType )
635 case SMESH_subMesh::CLEAN:
636 // source mesh cleaned -> clean target mesh
637 clearSubmesh( data->mySubMeshes.front(), (_ListenerData*) data, /*all=*/true );
639 case SMESH_subMesh::SUBMESH_COMPUTED: {
640 // source mesh computed -> reset FAILED state of Import submeshes to
642 SMESH_Mesh* srcMesh = subMesh->GetFather();
643 if ( srcMesh->NbEdges() > 0 || srcMesh->NbFaces() > 0 )
645 SMESH_Mesh* m = data->mySubMeshes.front()->GetFather();
646 if ( SMESH_subMesh* sm1 = m->GetSubMeshContaining(1))
648 sm1->ComputeStateEngine(SMESH_subMesh::SUBMESH_COMPUTED );
649 sm1->ComputeSubMeshStateEngine( SMESH_subMesh::SUBMESH_COMPUTED );
657 if ( !data->mySubMeshes.empty() )
658 clearN2N( data->mySubMeshes.front()->GetFather() );
660 else // event of Import submesh
662 // find out what happens: import hyp modified or removed
663 bool removeImport = false, modifHyp = false;
664 if ( SMESH_subMesh::ALGO_EVENT == eventType )
666 if ( subMesh->GetAlgoState() != SMESH_subMesh::HYP_OK )
670 else if (( SMESH_subMesh::REMOVE_ALGO == event ||
671 SMESH_subMesh::REMOVE_FATHER_ALGO == event ) &&
672 SMESH_subMesh::ALGO_EVENT == eventType )
674 SMESH_Algo* algo = subMesh->GetAlgo();
675 removeImport = ( strncmp( "Import", algo->GetName(), 6 ) != 0 );
680 // treate removal of Import algo from subMesh
681 removeSubmesh( subMesh, (_ListenerData*) data );
683 else if ( modifHyp ||
684 ( SMESH_subMesh::CLEAN == event &&
685 SMESH_subMesh::COMPUTE_EVENT == eventType))
687 // treate modification of ImportSource hypothesis
688 clearSubmesh( subMesh, (_ListenerData*) data, /*all=*/false );
690 else if ( SMESH_subMesh::CHECK_COMPUTE_STATE == event &&
691 SMESH_subMesh::COMPUTE_EVENT == eventType )
693 // check compute state of all submeshes impoting from same src mesh;
694 // this is to take into account 1D computed submeshes hidden by 2D import algo;
695 // else source mesh is not copied as _subM.size != _computedSubM.size()
696 list< _ImportData > & dList = _tgtMesh2ImportData[ subMesh->GetFather() ];
697 list< _ImportData >::iterator d = dList.begin();
698 for ( ; d != dList.end(); ++d )
699 if ( d->_subM.count( subMesh ))
701 set<SMESH_subMesh*,_SubLess>::iterator smIt = d->_subM.begin();
702 for( ; smIt != d->_subM.end(); ++smIt )
703 if ( (*smIt)->IsMeshComputed() )
704 d->_computedSubM.insert( *smIt);
707 // Clear _ImportData::_n2n if it's no more useful, i.e. when
708 // the event is not within mesh.Compute()
709 if ( SMESH_subMesh::ALGO_EVENT == eventType )
710 clearN2N( subMesh->GetFather() );
714 //================================================================================
716 * \brief Return an ID of submesh to store nodes and elements of a copied mesh
718 //================================================================================
720 int getSubmeshIDForCopiedMesh(const SMESHDS_Mesh* srcMeshDS,
723 // To get SMESH_subMesh corresponding to srcMeshDS we need to have a shape
724 // for which SMESHDS_Mesh::IsGroupOfSubShapes() returns true.
725 // And this shape must be different from sub-shapes of the main shape.
726 // So we create a compound containing
727 // 1) some sub-shapes of SMESH_Mesh::PseudoShape() corresponding to
728 // srcMeshDS->GetPersistentId()
729 // 2) the 1-st vertex of the main shape to assure
730 // SMESHDS_Mesh::IsGroupOfSubShapes(shape)==true
731 TopoDS_Shape shapeForSrcMesh;
732 TopTools_IndexedMapOfShape pseudoSubShapes;
733 TopExp::MapShapes( SMESH_Mesh::PseudoShape(), pseudoSubShapes );
735 // index of pseudoSubShapes corresponding to srcMeshDS
736 int subIndex = 1 + srcMeshDS->GetPersistentId() % pseudoSubShapes.Extent();
737 int nbSubShapes = 1 + srcMeshDS->GetPersistentId() / pseudoSubShapes.Extent();
739 // try to find already present shapeForSrcMesh
740 SMESHDS_Mesh* tgtMeshDS = tgtMesh->GetMeshDS();
741 for ( int i = tgtMeshDS->MaxShapeIndex(); i > 0 && shapeForSrcMesh.IsNull(); --i )
743 const TopoDS_Shape& s = tgtMeshDS->IndexToShape(i);
744 if ( s.ShapeType() != TopAbs_COMPOUND ) break;
745 TopoDS_Iterator sSubIt( s );
746 for ( int iSub = 0; iSub < nbSubShapes && sSubIt.More(); ++iSub, sSubIt.Next() )
747 if ( pseudoSubShapes( subIndex+iSub ).IsSame( sSubIt.Value()))
748 if ( iSub+1 == nbSubShapes )
754 if ( shapeForSrcMesh.IsNull() )
756 // make a new shapeForSrcMesh
757 BRep_Builder aBuilder;
758 TopoDS_Compound comp;
759 aBuilder.MakeCompound( comp );
760 shapeForSrcMesh = comp;
761 for ( int iSub = 0; iSub < nbSubShapes; ++iSub )
762 if ( subIndex+iSub <= pseudoSubShapes.Extent() )
763 aBuilder.Add( comp, pseudoSubShapes( subIndex+iSub ));
764 TopExp_Explorer vExp( tgtMeshDS->ShapeToMesh(), TopAbs_VERTEX );
765 aBuilder.Add( comp, vExp.Current() );
767 SMESH_subMesh* sm = tgtMesh->GetSubMesh( shapeForSrcMesh );
768 SMESHDS_SubMesh* smDS = sm->GetSubMeshDS();
770 smDS = tgtMeshDS->NewSubMesh( sm->GetId() );
772 // make ordinary submesh from a complex one
773 if ( smDS->IsComplexSubmesh() )
775 list< const SMESHDS_SubMesh* > subSM;
776 SMESHDS_SubMeshIteratorPtr smIt = smDS->GetSubMeshIterator();
777 while ( smIt->more() ) subSM.push_back( smIt->next() );
778 list< const SMESHDS_SubMesh* >::iterator sub = subSM.begin();
779 for ( ; sub != subSM.end(); ++sub)
780 smDS->RemoveSubMesh( *sub );
785 //================================================================================
787 * \brief Return a submesh to store nodes and elements of a copied mesh
788 * and set event listeners in order to clear
789 * imported mesh and groups as soon as submesh state requires it
791 //================================================================================
793 SMESHDS_SubMesh* getSubmeshForCopiedMesh(const SMESH_Mesh* srcMesh,
795 const TopoDS_Shape& tgtShape,
796 StdMeshers_Import_1D::TNodeNodeMap*& n2n,
797 StdMeshers_Import_1D::TElemElemMap*& e2e,
800 StdMeshers_Import_1D::getMaps( srcMesh, tgtMesh, n2n,e2e );
802 _ImportData* iData = _Listener::getImportData(srcMesh,tgtMesh);
804 SMESH_subMesh* importedSM = tgtMesh->GetSubMesh( tgtShape );
805 iData->addComputed( importedSM );
806 if ( iData->_computedSubM.size() != iData->_subM.size() )
807 return 0; // not all submeshes computed yet
809 toCopyGroups = !iData->_copyGroupSubM.empty();
811 if ( !iData->_copyMeshSubM.empty())
813 // make submesh to store a copied mesh
814 int smID = getSubmeshIDForCopiedMesh( srcMesh->GetMeshDS(), tgtMesh );
815 SMESHDS_SubMesh* subDS = tgtMesh->GetMeshDS()->NewSubMesh( smID );
817 iData->_importMeshSubID = smID;
818 iData->_importMeshSubDS = subDS;
824 //================================================================================
826 * \brief Return minimal square length of edges of 1D and 2D elements sharing the node
828 //================================================================================
830 double getMinEdgeLength2( const SMDS_MeshNode* n )
833 double minLen2 = Precision::Infinite();
834 for ( SMDS_ElemIteratorPtr eIt = n->GetInverseElementIterator(); eIt->more(); )
836 const SMDS_MeshElement* e = eIt->next();
837 const SMDSAbs_ElementType type = e->GetType();
838 if ( type != SMDSAbs_Edge && type != SMDSAbs_Face )
840 int i = e->GetNodeIndex( n );
841 int iNext = SMESH_MesherHelper::WrapIndex( i + 1, e->NbCornerNodes() );
842 minLen2 = Min( minLen2, p.SquareDistance( e->GetNode( iNext )));
843 if ( type != SMDSAbs_Face )
845 int iPrev = SMESH_MesherHelper::WrapIndex( i - 1, e->NbCornerNodes() );
846 minLen2 = Min( minLen2, p.SquareDistance( e->GetNode( iPrev )));
853 //=============================================================================
855 * Creates StdMeshers_Import_1D
857 //=============================================================================
859 StdMeshers_Import_1D::StdMeshers_Import_1D(int hypId, SMESH_Gen * gen)
860 :SMESH_1D_Algo(hypId, gen), _sourceHyp(0)
863 _shapeType = (1 << TopAbs_EDGE);
865 _compatibleHypothesis.push_back("ImportSource1D");
868 //=============================================================================
870 * Check presence of a hypothesis
872 //=============================================================================
874 bool StdMeshers_Import_1D::CheckHypothesis
876 const TopoDS_Shape& aShape,
877 SMESH_Hypothesis::Hypothesis_Status& aStatus)
881 const list <const SMESHDS_Hypothesis * >&hyps = GetUsedHypothesis(aMesh, aShape);
882 if ( hyps.size() == 0 )
884 aStatus = SMESH_Hypothesis::HYP_MISSING;
885 return false; // can't work with no hypothesis
888 if ( hyps.size() > 1 )
890 aStatus = SMESH_Hypothesis::HYP_ALREADY_EXIST;
894 const SMESHDS_Hypothesis *theHyp = hyps.front();
896 string hypName = theHyp->GetName();
898 if (hypName == _compatibleHypothesis.front())
900 _sourceHyp = (StdMeshers_ImportSource1D *)theHyp;
901 aStatus = _sourceHyp->GetGroups().empty() ? HYP_BAD_PARAMETER : HYP_OK;
902 if ( aStatus == HYP_BAD_PARAMETER )
903 _Listener::waitHypModification( aMesh.GetSubMesh( aShape ));
904 return aStatus == HYP_OK;
907 aStatus = SMESH_Hypothesis::HYP_INCOMPATIBLE;
911 //=============================================================================
913 * Import elements from the other mesh
915 //=============================================================================
917 bool StdMeshers_Import_1D::Compute(SMESH_Mesh & theMesh, const TopoDS_Shape & theShape)
919 if ( !_sourceHyp ) return false;
921 //MESSAGE("---------> StdMeshers_Import_1D::Compute");
922 const vector<SMESH_Group*>& srcGroups = _sourceHyp->GetGroups(/*loaded=*/true);
923 if ( srcGroups.empty() )
924 return error("Invalid source groups");
926 SMESH_MesherHelper helper(theMesh);
927 helper.SetSubShape(theShape);
928 SMESHDS_Mesh* tgtMesh = theMesh.GetMeshDS();
930 const TopoDS_Edge& geomEdge = TopoDS::Edge( theShape );
931 const double edgeTol = BRep_Tool::Tolerance( geomEdge );
932 const int shapeID = tgtMesh->ShapeToIndex( geomEdge );
935 double geomTol = Precision::Confusion();
936 for ( size_t iG = 0; iG < srcGroups.size(); ++iG )
938 const SMESHDS_GroupBase* srcGroup = srcGroups[iG]->GetGroupDS();
939 for ( SMDS_ElemIteratorPtr srcElems = srcGroup->GetElements(); srcElems->more(); )
941 const SMDS_MeshElement* edge = srcElems->next();
942 geomTol = Sqrt( 0.5 * ( getMinEdgeLength2( edge->GetNode(0) ) +
943 getMinEdgeLength2( edge->GetNode(1) ))) / 25;
944 iG = srcGroups.size();
948 CurveProjector curveProjector( geomEdge, geomTol );
950 // get nodes on vertices
952 list < SMESH_TNodeXYZ > vertexNodes;
953 list < SMESH_TNodeXYZ >::iterator vNIt;
954 TopExp_Explorer vExp( theShape, TopAbs_VERTEX );
955 for ( ; vExp.More(); vExp.Next() )
957 const TopoDS_Vertex& v = TopoDS::Vertex( vExp.Current() );
958 if ( !vertexIDs.insert( tgtMesh->ShapeToIndex( v )).second )
959 continue; // closed edge
960 const SMDS_MeshNode* n = SMESH_Algo::VertexNode( v, tgtMesh );
963 _gen->Compute(theMesh,v,/*anUpward=*/true);
964 n = SMESH_Algo::VertexNode( v, tgtMesh );
965 //MESSAGE("_gen->Compute " << n);
966 if ( !n ) return false; // very strange
968 vertexNodes.push_back( SMESH_TNodeXYZ( n ));
969 //MESSAGE("SMESH_Algo::VertexNode " << n->GetID() << " " << n->X() << " " << n->Y() << " " << n->Z() );
972 // import edges from groups
975 for ( size_t iG = 0; iG < srcGroups.size(); ++iG )
977 const SMESHDS_GroupBase* srcGroup = srcGroups[iG]->GetGroupDS();
979 const int meshID = srcGroup->GetMesh()->GetPersistentId();
980 const SMESH_Mesh* srcMesh = GetMeshByPersistentID( meshID );
981 if ( !srcMesh ) continue;
982 getMaps( srcMesh, &theMesh, n2n, e2e );
984 SMDS_ElemIteratorPtr srcElems = srcGroup->GetElements();
985 vector<const SMDS_MeshNode*> newNodes;
986 while ( srcElems->more() ) // loop on group contents
988 const SMDS_MeshElement* edge = srcElems->next();
989 gp_XYZ middle = 0.5 * ( SMESH_NodeXYZ( edge->GetNode(0)) +
990 SMESH_NodeXYZ( edge->GetNode(1)));
991 if ( curveProjector.IsOut( middle ))
994 // find or create nodes of a new edge
995 newNodes.resize( edge->NbNodes() );
997 int nbNodesOnVertex = 0;
998 SMDS_MeshElement::iterator node = edge->begin_nodes();
999 for ( size_t i = 0; i < newNodes.size(); ++i, ++node )
1001 TNodeNodeMap::iterator n2nIt = n2n->insert( make_pair( *node, nullptr )).first;
1002 if ( n2nIt->second )
1004 int sId = n2nIt->second->getshapeId();
1005 if ( sId != shapeID )
1007 if ( vertexIDs.count( sId ))
1013 else if ( !vertexNodes.empty() )
1015 // find an existing vertex node
1016 double checktol = max(1.E-10, 10*edgeTol*edgeTol);
1017 for ( vNIt = vertexNodes.begin(); vNIt != vertexNodes.end(); ++vNIt)
1018 if ( vNIt->SquareDistance( *node ) < checktol)
1020 (*n2nIt).second = vNIt->_node;
1021 vertexNodes.erase( vNIt );
1026 if ( !n2nIt->second )
1028 // find out if the node lies on theShape
1029 SMESH_NodeXYZ xyz = *node;
1031 if ( curveProjector.IsOnCurve( xyz, dist2, u ))
1033 // tolerance relative to the length of surrounding edges
1034 double mytol2 = getMinEdgeLength2( *node ) / 25 / 25;
1035 if ( dist2 < mytol2 )
1037 SMDS_MeshNode* newNode = tgtMesh->AddNode( xyz.X(), xyz.Y(), xyz.Z() );
1038 n2nIt->second = newNode;
1039 tgtMesh->SetNodeOnEdge( newNode, shapeID, u );
1043 if ( !(newNodes[i] = n2nIt->second ))
1046 if ( !newNodes.back() )
1048 //MESSAGE("not all nodes of edge lie on theShape");
1049 continue; // not all nodes of edge lie on theShape
1053 SMDS_MeshElement * newEdge;
1054 if ( newNodes.size() == 3 )
1055 newEdge = tgtMesh->AddEdge( newNodes[0], newNodes[1], newNodes[2] );
1057 newEdge = tgtMesh->AddEdge( newNodes[0], newNodes[1]);
1058 tgtMesh->SetMeshElementOnShape( newEdge, shapeID );
1059 e2e->insert( make_pair( edge, newEdge ));
1061 if ( nbNodesOnVertex >= 2 ) // EDGE is meshed by a sole segment
1063 iG = srcGroups.size(); // stop looingp on groups
1066 } // loop on group contents
1070 return error("Empty source groups");
1072 // check if the whole geom edge is covered by imported segments;
1073 // the check consist in passing by segments from one vetrex node to another
1074 bool isEdgeMeshed = false;
1075 if ( SMESHDS_SubMesh* tgtSM = tgtMesh->MeshElements( theShape ))
1077 const TopoDS_Vertex& v = ( vExp.ReInit(), TopoDS::Vertex( vExp.Current() ));
1078 const SMDS_MeshNode* n = SMESH_Algo::VertexNode( v, tgtMesh );
1079 const SMDS_MeshElement* seg = 0;
1080 SMDS_ElemIteratorPtr segIt = n->GetInverseElementIterator(SMDSAbs_Edge);
1081 while ( segIt->more() && !seg )
1082 if ( !tgtSM->Contains( seg = segIt->next()))
1084 int nbPassedSegs = 0;
1088 const SMDS_MeshNode* n2 = seg->GetNode(0);
1089 n = ( n2 == n ? seg->GetNode(1) : n2 );
1090 if ( n->GetPosition()->GetTypeOfPosition() == SMDS_TOP_VERTEX )
1092 const SMDS_MeshElement* seg2 = 0;
1093 segIt = n->GetInverseElementIterator(SMDSAbs_Edge);
1094 while ( segIt->more() && !seg2 )
1095 if ( seg == ( seg2 = segIt->next()))
1099 if (nbPassedSegs > 0 && tgtSM->NbElements() > nbPassedSegs )
1100 return error( "Source elements overlap one another");
1102 isEdgeMeshed = ( tgtSM->NbElements() == nbPassedSegs &&
1103 n->GetPosition()->GetTypeOfPosition() == SMDS_TOP_VERTEX );
1105 if ( !isEdgeMeshed )
1106 return error( "Source elements don't cover totally the geometrical edge" );
1109 vector<SMESH_Mesh*> srcMeshes = _sourceHyp->GetSourceMeshes();
1110 for ( size_t i = 0; i < srcMeshes.size(); ++i )
1111 importMesh( srcMeshes[i], theMesh, _sourceHyp, theShape );
1116 //================================================================================
1118 * \brief Copy mesh and groups
1120 //================================================================================
1122 void StdMeshers_Import_1D::importMesh(const SMESH_Mesh* srcMesh,
1123 SMESH_Mesh & tgtMesh,
1124 StdMeshers_ImportSource1D* srcHyp,
1125 const TopoDS_Shape& tgtShape)
1127 // get submesh to store the imported mesh
1131 SMESHDS_SubMesh* tgtSubMesh =
1132 getSubmeshForCopiedMesh( srcMesh, &tgtMesh, tgtShape, n2n, e2e, toCopyGroups );
1133 if ( !tgtSubMesh || tgtSubMesh->NbNodes() + tgtSubMesh->NbElements() > 0 )
1134 return; // not to copy srcMeshDS twice
1136 SMESHDS_Mesh* tgtMeshDS = tgtMesh.GetMeshDS();
1137 SMESH_MeshEditor additor( &tgtMesh );
1141 SMESH_MeshEditor::ElemFeatures elemType;
1142 vector<const SMDS_MeshNode*> newNodes;
1143 const SMESHDS_Mesh* srcMeshDS = srcMesh->GetMeshDS();
1144 SMDS_ElemIteratorPtr eIt = srcMeshDS->elementsIterator();
1145 while ( eIt->more() )
1147 const SMDS_MeshElement* elem = eIt->next();
1148 TElemElemMap::iterator e2eIt = e2e->insert( make_pair( elem, (SMDS_MeshElement*)0 )).first;
1149 if ( e2eIt->second ) continue; // already copied by Compute()
1150 newNodes.resize( elem->NbNodes() );
1151 SMDS_MeshElement::iterator node = elem->begin_nodes();
1152 for ( unsigned i = 0; i < newNodes.size(); ++i, ++node )
1154 TNodeNodeMap::iterator n2nIt = n2n->insert( make_pair( *node, (SMDS_MeshNode*)0 )).first;
1155 if ( !n2nIt->second )
1157 (*n2nIt).second = tgtMeshDS->AddNode( (*node)->X(), (*node)->Y(), (*node)->Z());
1158 tgtSubMesh->AddNode( n2nIt->second );
1160 newNodes[i] = n2nIt->second;
1162 const SMDS_MeshElement* newElem =
1163 tgtMeshDS->FindElement( newNodes, elem->GetType(), /*noMedium=*/false );
1166 newElem = additor.AddElement( newNodes, elemType.Init( elem, /*basicOnly=*/false ));
1167 tgtSubMesh->AddElement( newElem );
1170 (*e2eIt).second = newElem;
1173 if ( srcMeshDS->NbNodes() > (int) n2n->size() )
1175 SMDS_NodeIteratorPtr nIt = srcMeshDS->nodesIterator();
1176 while( nIt->more() )
1178 const SMDS_MeshNode* node = nIt->next();
1179 if ( node->NbInverseElements() == 0 )
1181 const SMDS_MeshNode* newNode = tgtMeshDS->AddNode( node->X(), node->Y(), node->Z());
1182 n2n->insert( make_pair( node, newNode ));
1183 tgtSubMesh->AddNode( newNode );
1190 vector<SMESH_Group*> resultGroups;
1193 // collect names of existing groups to assure uniqueness of group names within a type
1194 map< SMDSAbs_ElementType, set<string> > namesByType;
1195 SMESH_Mesh::GroupIteratorPtr groupIt = tgtMesh.GetGroups();
1196 while ( groupIt->more() )
1198 SMESH_Group* tgtGroup = groupIt->next();
1199 namesByType[ tgtGroup->GetGroupDS()->GetType() ].insert( tgtGroup->GetName() );
1203 SMESH_Mesh::GroupIteratorPtr groupIt = srcMesh->GetGroups();
1204 while ( groupIt->more() )
1206 SMESH_Group* srcGroup = groupIt->next();
1207 SMESHDS_GroupBase* srcGroupDS = srcGroup->GetGroupDS();
1208 string name = srcGroup->GetName();
1210 while ( !namesByType[ srcGroupDS->GetType() ].insert( name ).second )
1211 name = SMESH_Comment(srcGroup->GetName()) << "_imported_" << nb++;
1212 SMESH_Group* newGroup = tgtMesh.AddGroup( srcGroupDS->GetType(), name.c_str() );
1213 SMESHDS_Group* newGroupDS = (SMESHDS_Group*)newGroup->GetGroupDS();
1214 resultGroups.push_back( newGroup );
1216 eIt = srcGroupDS->GetElements();
1217 if ( srcGroupDS->GetType() == SMDSAbs_Node )
1220 TNodeNodeMap::iterator n2nIt = n2n->find((const SMDS_MeshNode*) eIt->next() );
1221 if ( n2nIt != n2n->end() && n2nIt->second )
1222 newGroupDS->SMDSGroup().Add((*n2nIt).second );
1227 TElemElemMap::iterator e2eIt = e2e->find( eIt->next() );
1228 if ( e2eIt != e2e->end() && e2eIt->second )
1229 newGroupDS->SMDSGroup().Add((*e2eIt).second );
1237 // Remember created groups in order to remove them as soon as the srcHyp is
1238 // modified or something other similar happens. This imformation must be persistent,
1239 // for that store them in a hypothesis as it stores its values in the file anyway
1240 srcHyp->StoreResultGroups( resultGroups, *srcMeshDS, *tgtMeshDS );
1243 //=============================================================================
1245 * \brief Set needed event listeners and create a submesh for a copied mesh
1247 * This method is called only if a submesh has HYP_OK algo_state.
1249 //=============================================================================
1251 void StdMeshers_Import_1D::setEventListener(SMESH_subMesh* subMesh,
1252 StdMeshers_ImportSource1D* sourceHyp)
1256 vector<SMESH_Mesh*> srcMeshes = sourceHyp->GetSourceMeshes();
1257 if ( srcMeshes.empty() )
1258 _Listener::waitHypModification( subMesh );
1259 for ( unsigned i = 0; i < srcMeshes.size(); ++i )
1260 // set a listener to remove the imported mesh and groups
1261 _Listener::storeImportSubmesh( subMesh, srcMeshes[i], sourceHyp );
1264 void StdMeshers_Import_1D::SetEventListener(SMESH_subMesh* subMesh)
1268 const TopoDS_Shape& tgtShape = subMesh->GetSubShape();
1269 SMESH_Mesh* tgtMesh = subMesh->GetFather();
1270 Hypothesis_Status aStatus;
1271 CheckHypothesis( *tgtMesh, tgtShape, aStatus );
1273 setEventListener( subMesh, _sourceHyp );
1276 void StdMeshers_Import_1D::SubmeshRestored(SMESH_subMesh* subMesh)
1278 SetEventListener(subMesh);
1281 //=============================================================================
1283 * Predict nb of mesh entities created by Compute()
1285 //=============================================================================
1287 bool StdMeshers_Import_1D::Evaluate(SMESH_Mesh & theMesh,
1288 const TopoDS_Shape & theShape,
1289 MapShapeNbElems& aResMap)
1291 if ( !_sourceHyp ) return false;
1293 const vector<SMESH_Group*>& srcGroups = _sourceHyp->GetGroups();
1294 if ( srcGroups.empty() )
1295 return error("Invalid source groups");
1297 vector<int> aVec(SMDSEntity_Last,0);
1299 bool toCopyMesh, toCopyGroups;
1300 _sourceHyp->GetCopySourceMesh(toCopyMesh, toCopyGroups);
1301 if ( toCopyMesh ) // the whole mesh is copied
1303 vector<SMESH_Mesh*> srcMeshes = _sourceHyp->GetSourceMeshes();
1304 for ( unsigned i = 0; i < srcMeshes.size(); ++i )
1306 SMESH_subMesh* sm = getSubMeshOfCopiedMesh( theMesh, *srcMeshes[i]);
1307 if ( !sm || aResMap.count( sm )) continue; // already counted
1308 aVec.assign( SMDSEntity_Last, 0);
1309 const SMDS_MeshInfo& aMeshInfo = srcMeshes[i]->GetMeshDS()->GetMeshInfo();
1310 for (int i = 0; i < SMDSEntity_Last; i++)
1311 aVec[i] = aMeshInfo.NbEntities((SMDSAbs_EntityType)i);
1316 SMESH_MesherHelper helper(theMesh);
1318 const TopoDS_Edge& geomEdge = TopoDS::Edge( theShape );
1319 const double edgeTol = helper.MaxTolerance( geomEdge );
1321 // take into account nodes on vertices
1322 TopExp_Explorer vExp( theShape, TopAbs_VERTEX );
1323 for ( ; vExp.More(); vExp.Next() )
1324 theMesh.GetSubMesh( vExp.Current())->Evaluate( aResMap );
1326 // count edges imported from groups
1327 int nbEdges = 0, nbQuadEdges = 0;
1328 for ( size_t iG = 0; iG < srcGroups.size(); ++iG )
1330 const SMESHDS_GroupBase* srcGroup = srcGroups[iG]->GetGroupDS();
1331 SMDS_ElemIteratorPtr srcElems = srcGroup->GetElements();
1332 SMDS_MeshNode *tmpNode = helper.AddNode(0,0,0);
1333 while ( srcElems->more() ) // loop on group contents
1335 const SMDS_MeshElement* edge = srcElems->next();
1336 // find out if edge is located on geomEdge by projecting
1337 // a middle of edge to geomEdge
1338 SMESH_TNodeXYZ p1( edge->GetNode(0));
1339 SMESH_TNodeXYZ p2( edge->GetNode(1));
1340 gp_XYZ middle = ( p1 + p2 ) / 2.;
1341 tmpNode->setXYZ( middle.X(), middle.Y(), middle.Z());
1343 if ( helper.CheckNodeU( geomEdge, tmpNode, u, 10 * edgeTol, /*force=*/true ))
1344 ++( edge->IsQuadratic() ? nbQuadEdges : nbEdges);
1346 helper.GetMeshDS()->RemoveNode(tmpNode);
1349 int nbNodes = nbEdges + 2 * nbQuadEdges - 1;
1351 aVec[SMDSEntity_Node ] = nbNodes;
1352 aVec[SMDSEntity_Edge ] = nbEdges;
1353 aVec[SMDSEntity_Quad_Edge] = nbQuadEdges;
1356 SMESH_subMesh * sm = theMesh.GetSubMesh(theShape);
1357 aResMap.insert( make_pair( sm, aVec ));
1362 //================================================================================
1364 * \brief Return node-node and element-element maps for import of geiven source mesh
1366 //================================================================================
1368 void StdMeshers_Import_1D::getMaps(const SMESH_Mesh* srcMesh,
1369 SMESH_Mesh* tgtMesh,
1373 _ImportData* iData = _Listener::getImportData(srcMesh,tgtMesh);
1376 if ( iData->_copyMeshSubM.empty() )
1378 // n2n->clear(); -- for sharing nodes on EDGEs
1383 //================================================================================
1385 * \brief Return submesh corresponding to the copied mesh
1387 //================================================================================
1389 SMESH_subMesh* StdMeshers_Import_1D::getSubMeshOfCopiedMesh( SMESH_Mesh& tgtMesh,
1390 SMESH_Mesh& srcMesh )
1392 _ImportData* iData = _Listener::getImportData(&srcMesh,&tgtMesh);
1393 if ( iData->_copyMeshSubM.empty() ) return 0;
1394 SMESH_subMesh* sm = tgtMesh.GetSubMeshContaining( iData->_importMeshSubID );