X-Git-Url: http://git.salome-platform.org/gitweb/?p=modules%2Fsmesh.git;a=blobdiff_plain;f=src%2FStdMeshers%2FStdMeshers_ViscousLayers.cxx;h=a6530b9244a5782abe3a820e82075e2aab951077;hp=27afe5d0211b61fa20c56c15f6c0702b5cbd8ae7;hb=refs%2Ftags%2FV8_3_0a2;hpb=386c76ea033aef391a39dfc3b015ed081ed49fd5 diff --git a/src/StdMeshers/StdMeshers_ViscousLayers.cxx b/src/StdMeshers/StdMeshers_ViscousLayers.cxx index 27afe5d02..a6530b924 100644 --- a/src/StdMeshers/StdMeshers_ViscousLayers.cxx +++ b/src/StdMeshers/StdMeshers_ViscousLayers.cxx @@ -97,6 +97,7 @@ #ifdef _DEBUG_ //#define __myDEBUG //#define __NOT_INVALIDATE_BAD_SMOOTH +//#define __NODES_AT_POS #endif #define INCREMENTAL_SMOOTH // smooth only if min angle is too small @@ -408,7 +409,7 @@ namespace VISCOUS_3D gp_XYZ _normal; // to boundary of solid vector _pos; // points computed during inflation - double _len; // length achived with the last inflation step + double _len; // length achieved with the last inflation step double _maxLen; // maximal possible length double _cosin; // of angle (_normal ^ surface) double _minAngle; // of _simplices @@ -424,24 +425,27 @@ namespace VISCOUS_3D // data for smoothing of _LayerEdge's based on the EDGE _2NearEdges* _2neibors; - enum EFlags { TO_SMOOTH = 1, - MOVED = 2, // set by _neibors[i]->SetNewLength() - SMOOTHED = 4, // set by this->Smooth() - DIFFICULT = 8, // near concave VERTEX - ON_CONCAVE_FACE = 16, - BLOCKED = 32, // not to inflate any more - INTERSECTED = 64, // close intersection with a face found - NORMAL_UPDATED = 128, - MARKED = 256, // local usage - MULTI_NORMAL = 512, // a normal is invisible by some of surrounding faces - NEAR_BOUNDARY = 1024,// is near FACE boundary forcing smooth - SMOOTHED_C1 = 2048,// is on _eosC1 - DISTORTED = 4096,// was bad before smoothing - RISKY_SWOL = 8192 // SWOL is parallel to a source FACE + enum EFlags { TO_SMOOTH = 0x0000001, + MOVED = 0x0000002, // set by _neibors[i]->SetNewLength() + SMOOTHED = 0x0000004, // set by this->Smooth() + DIFFICULT = 0x0000008, // near concave VERTEX + ON_CONCAVE_FACE = 0x0000010, + BLOCKED = 0x0000020, // not to inflate any more + INTERSECTED = 0x0000040, // close intersection with a face found + NORMAL_UPDATED = 0x0000080, + MARKED = 0x0000100, // local usage + MULTI_NORMAL = 0x0000200, // a normal is invisible by some of surrounding faces + NEAR_BOUNDARY = 0x0000400, // is near FACE boundary forcing smooth + SMOOTHED_C1 = 0x0000800, // is on _eosC1 + DISTORTED = 0x0001000, // was bad before smoothing + RISKY_SWOL = 0x0002000, // SWOL is parallel to a source FACE + SHRUNK = 0x0004000, // target node reached a tgt position while shrink() + UNUSED_FLAG = 0x0100000 // to add use flags after }; - bool Is ( EFlags f ) const { return _flags & f; } - void Set ( EFlags f ) { _flags |= f; } - void Unset( EFlags f ) { _flags &= ~f; } + bool Is ( int flag ) const { return _flags & flag; } + void Set ( int flag ) { _flags |= flag; } + void Unset( int flag ) { _flags &= ~flag; } + std::string DumpFlags() const; // debug void SetNewLength( double len, _EdgesOnShape& eos, SMESH_MesherHelper& helper ); bool SetNewLength2d( Handle(Geom_Surface)& surface, @@ -457,6 +461,7 @@ namespace VISCOUS_3D void ChooseSmooFunction(const set< TGeomID >& concaveVertices, const TNode2Edge& n2eMap); void SmoothPos( const vector< double >& segLen, const double tol ); + int GetSmoothedPos( const double tol ); int Smooth(const int step, const bool isConcaveFace, bool findBest); int Smooth(const int step, bool findBest, vector< _LayerEdge* >& toSmooth ); int CheckNeiborsOnBoundary(vector< _LayerEdge* >* badNeibors = 0, bool * needSmooth = 0 ); @@ -490,7 +495,7 @@ namespace VISCOUS_3D dist, epsilon ); } const gp_XYZ& PrevPos() const { return _pos[ _pos.size() - 2 ]; } - const gp_XYZ& PrevCheckPos() const { return _pos[ Is( NORMAL_UPDATED ) ? _pos.size()-2 : 0 ]; } + gp_XYZ PrevCheckPos( _EdgesOnShape* eos=0 ) const; gp_Ax1 LastSegment(double& segLen, _EdgesOnShape& eos) const; gp_XY LastUV( const TopoDS_Face& F, _EdgesOnShape& eos ) const; bool IsOnEdge() const { return _2neibors; } @@ -718,6 +723,7 @@ namespace VISCOUS_3D { typedef const StdMeshers_ViscousLayers* THyp; TopoDS_Shape _solid; + TopTools_MapOfShape _before; // SOLIDs to be computed before _solid TGeomID _index; // SOLID id _MeshOfSolid* _proxyMesh; list< THyp > _hyps; @@ -782,10 +788,10 @@ namespace VISCOUS_3D SMESH_MesherHelper& GetHelper() const { return *_helper; } - void UnmarkEdges() { + void UnmarkEdges( int flag = _LayerEdge::MARKED ) { for ( size_t i = 0; i < _edgesOnShape.size(); ++i ) for ( size_t j = 0; j < _edgesOnShape[i]._edges.size(); ++j ) - _edgesOnShape[i]._edges[j]->Unset( _LayerEdge::MARKED ); + _edgesOnShape[i]._edges[j]->Unset( flag ); } void AddShapesToSmooth( const set< _EdgesOnShape* >& shape, const set< _EdgesOnShape* >* edgesNoAnaSmooth=0 ); @@ -806,8 +812,10 @@ namespace VISCOUS_3D _OffsetPlane() { _isLineOK[0] = _isLineOK[1] = false; _faceIndexNext[0] = _faceIndexNext[1] = -1; } - void ComputeIntersectionLine( _OffsetPlane& pln ); - gp_XYZ GetCommonPoint(bool& isFound) const; + void ComputeIntersectionLine( _OffsetPlane& pln, + const TopoDS_Edge& E, + const TopoDS_Vertex& V ); + gp_XYZ GetCommonPoint(bool& isFound, const TopoDS_Vertex& V) const; int NbLines() const { return _isLineOK[0] + _isLineOK[1]; } }; //-------------------------------------------------------------------------------- @@ -886,6 +894,7 @@ namespace VISCOUS_3D private: bool findSolidsWithLayers(); + bool setBefore( _SolidData& solidBefore, _SolidData& solidAfter ); bool findFacesWithLayers(const bool onlyWith=false); void getIgnoreFaces(const TopoDS_Shape& solid, const StdMeshers_ViscousLayers* hyp, @@ -907,7 +916,8 @@ namespace VISCOUS_3D gp_XYZ getWeigthedNormal( const _LayerEdge* edge ); gp_XYZ getNormalByOffset( _LayerEdge* edge, std::pair< TopoDS_Face, gp_XYZ > fId2Normal[], - int nbFaces ); + int nbFaces, + bool lastNoOffset = false); bool findNeiborsOnEdge(const _LayerEdge* edge, const SMDS_MeshNode*& n1, const SMDS_MeshNode*& n2, @@ -930,8 +940,14 @@ namespace VISCOUS_3D vector< _EdgesOnShape* >& eosC1, const int infStep ); void makeOffsetSurface( _EdgesOnShape& eos, SMESH_MesherHelper& ); - void putOnOffsetSurface( _EdgesOnShape& eos, int infStep, int smooStep=0, bool moveAll=false ); + void putOnOffsetSurface( _EdgesOnShape& eos, int infStep, + vector< _EdgesOnShape* >& eosC1, + int smooStep=0, bool moveAll=false ); void findCollisionEdges( _SolidData& data, SMESH_MesherHelper& helper ); + void limitMaxLenByCurvature( _SolidData& data, SMESH_MesherHelper& helper ); + void limitMaxLenByCurvature( _LayerEdge* e1, _LayerEdge* e2, + _EdgesOnShape& eos1, _EdgesOnShape& eos2, + SMESH_MesherHelper& helper ); bool updateNormals( _SolidData& data, SMESH_MesherHelper& helper, int stepNb, double stepSize ); bool updateNormalsOfConvexFaces( _SolidData& data, SMESH_MesherHelper& helper, @@ -945,7 +961,7 @@ namespace VISCOUS_3D _LayerEdge& edge, const gp_XYZ& newNormal); bool refine(_SolidData& data); - bool shrink(); + bool shrink(_SolidData& data); bool prepareEdgeToShrink( _LayerEdge& edge, _EdgesOnShape& eos, SMESH_MesherHelper& helper, const SMESHDS_SubMesh* faceSubMesh ); @@ -955,7 +971,7 @@ namespace VISCOUS_3D const bool is2D, const int step, set * involvedNodes=NULL); - bool addBoundaryElements(); + bool addBoundaryElements(_SolidData& data); bool error( const string& text, int solidID=-1 ); SMESHDS_Mesh* getMeshDS() const { return _mesh->GetMeshDS(); } @@ -963,11 +979,14 @@ namespace VISCOUS_3D // debug void makeGroupOfLE(); - SMESH_Mesh* _mesh; - SMESH_ComputeErrorPtr _error; + SMESH_Mesh* _mesh; + SMESH_ComputeErrorPtr _error; - vector< _SolidData > _sdVec; - int _tmpFaceID; + vector< _SolidData > _sdVec; + TopTools_IndexedMapOfShape _solids; // to find _SolidData by a solid + TopTools_MapOfShape _shrinkedFaces; + + int _tmpFaceID; }; //-------------------------------------------------------------------------------- /*! @@ -1004,12 +1023,14 @@ namespace VISCOUS_3D double _len; // length reached at previous inflation step double _param; // on EDGE _2NearEdges _2edges; // 2 neighbor _LayerEdge's + gp_XYZ _edgeDir;// EDGE tangent at _param double Distance( const OffPnt& p ) const { return ( _xyz - p._xyz ).Modulus(); } }; vector< OffPnt > _offPoints; vector< double > _leParams; // normalized param of _eos._edges on EDGE Handle(Geom_Curve) _anaCurve; // for analytic smooth _LayerEdge _leOnV[2]; // _LayerEdge's holding normal to the EDGE at VERTEXes + gp_XYZ _edgeDir[2]; // tangent at VERTEXes size_t _iSeg[2]; // index of segment where extreme tgt node is projected _EdgesOnShape& _eos; double _curveLen; // length of the EDGE @@ -1048,8 +1069,8 @@ namespace VISCOUS_3D const TopoDS_Face& F, SMESH_MesherHelper& helper); - void setNormalOnV( const bool is2nd, - SMESH_MesherHelper& helper); + gp_XYZ getNormalNormal( const gp_XYZ & normal, + const gp_XYZ& edgeDir); _LayerEdge* getLEdgeOnV( bool is2nd ) { @@ -1218,8 +1239,8 @@ StdMeshers_ViscousLayers::Compute(SMESH_Mesh& theMesh, const bool toMakeN2NMap) const { using namespace VISCOUS_3D; - _ViscousBuilder bulder; - SMESH_ComputeErrorPtr err = bulder.Compute( theMesh, theShape ); + _ViscousBuilder builder; + SMESH_ComputeErrorPtr err = builder.Compute( theMesh, theShape ); if ( err && !err->IsOK() ) return SMESH_ProxyMesh::Ptr(); @@ -1231,7 +1252,7 @@ StdMeshers_ViscousLayers::Compute(SMESH_Mesh& theMesh, _ViscousListener::GetSolidMesh( &theMesh, exp.Current(), /*toCreate=*/false)) { if ( toMakeN2NMap && !pm->_n2nMapComputed ) - if ( !bulder.MakeN2NMap( pm )) + if ( !builder.MakeN2NMap( pm )) return SMESH_ProxyMesh::Ptr(); components.push_back( SMESH_ProxyMesh::Ptr( pm )); pm->myIsDeletable = false; // it will de deleted by boost::shared_ptr @@ -1295,8 +1316,8 @@ StdMeshers_ViscousLayers::CheckHypothesis(SMESH_Mesh& t const TopoDS_Shape& theShape, SMESH_Hypothesis::Hypothesis_Status& theStatus) { - VISCOUS_3D::_ViscousBuilder bulder; - SMESH_ComputeErrorPtr err = bulder.CheckHypotheses( theMesh, theShape ); + VISCOUS_3D::_ViscousBuilder builder; + SMESH_ComputeErrorPtr err = builder.CheckHypotheses( theMesh, theShape ); if ( err && !err->IsOK() ) theStatus = SMESH_Hypothesis::HYP_INCOMPAT_HYPS; else @@ -1820,8 +1841,6 @@ bool _ViscousBuilder::MakeN2NMap( _MeshOfSolid* pm ) SMESH_ComputeErrorPtr _ViscousBuilder::Compute(SMESH_Mesh& theMesh, const TopoDS_Shape& theShape) { - // TODO: set priority of solids during Gen::Compute() - _mesh = & theMesh; // check if proxy mesh already computed @@ -1843,22 +1862,37 @@ SMESH_ComputeErrorPtr _ViscousBuilder::Compute(SMESH_Mesh& theMesh, for ( size_t i = 0; i < _sdVec.size(); ++i ) { - if ( ! makeLayer(_sdVec[i]) ) + size_t iSD = 0; + for ( iSD = 0; iSD < _sdVec.size(); ++iSD ) // find next SOLID to compute + if ( _sdVec[iSD]._before.IsEmpty() && + !_sdVec[iSD]._solid.IsNull() && + _sdVec[iSD]._n2eMap.empty() ) + break; + + if ( ! makeLayer(_sdVec[iSD]) ) // create _LayerEdge's return _error; - if ( _sdVec[i]._n2eMap.size() == 0 ) + if ( _sdVec[iSD]._n2eMap.size() == 0 ) // no layers in a SOLID + { + _sdVec[iSD]._solid.Nullify(); continue; - - if ( ! inflate(_sdVec[i]) ) + } + + if ( ! inflate(_sdVec[iSD]) ) // increase length of _LayerEdge's return _error; - if ( ! refine(_sdVec[i]) ) + if ( ! refine(_sdVec[iSD]) ) // create nodes and prisms + return _error; + + if ( ! shrink(_sdVec[iSD]) ) // shrink 2D mesh on FACEs w/o layer return _error; - } - if ( !shrink() ) - return _error; - addBoundaryElements(); + addBoundaryElements(_sdVec[iSD]); // create quadrangles on prism bare sides + + const TopoDS_Shape& solid = _sdVec[iSD]._solid; + for ( iSD = 0; iSD < _sdVec.size(); ++iSD ) + _sdVec[iSD]._before.Remove( solid ); + } makeGroupOfLE(); // debug debugDump.Finish(); @@ -1907,12 +1941,14 @@ bool _ViscousBuilder::findSolidsWithLayers() TopExp::MapShapes( _mesh->GetShapeToMesh(), TopAbs_SOLID, allSolids ); _sdVec.reserve( allSolids.Extent()); - SMESH_Gen* gen = _mesh->GetGen(); SMESH_HypoFilter filter; for ( int i = 1; i <= allSolids.Extent(); ++i ) { // find StdMeshers_ViscousLayers hyp assigned to the i-th solid - SMESH_Algo* algo = gen->GetAlgo( *_mesh, allSolids(i) ); + SMESH_subMesh* sm = _mesh->GetSubMesh( allSolids(i) ); + if ( sm->GetSubMeshDS() && sm->GetSubMeshDS()->NbElements() > 0 ) + continue; // solid is already meshed + SMESH_Algo* algo = sm->GetAlgo(); if ( !algo ) continue; // TODO: check if algo is hidden const list & allHyps = @@ -1937,6 +1973,7 @@ bool _ViscousBuilder::findSolidsWithLayers() soData->_index = getMeshDS()->ShapeToIndex( allSolids(i)); soData->_helper = new SMESH_MesherHelper( *_mesh ); soData->_helper->SetSubShape( allSolids(i) ); + _solids.Add( allSolids(i) ); } soData->_hyps.push_back( viscHyp ); soData->_hypShapes.push_back( hypShape ); @@ -1951,7 +1988,37 @@ bool _ViscousBuilder::findSolidsWithLayers() //================================================================================ /*! - * \brief + * \brief Set a _SolidData to be computed before another + */ +//================================================================================ + +bool _ViscousBuilder::setBefore( _SolidData& solidBefore, _SolidData& solidAfter ) +{ + // check possibility to set this order; get all solids before solidBefore + TopTools_IndexedMapOfShape allSolidsBefore; + allSolidsBefore.Add( solidBefore._solid ); + for ( int i = 1; i <= allSolidsBefore.Extent(); ++i ) + { + int iSD = _solids.FindIndex( allSolidsBefore(i) ); + if ( iSD ) + { + TopTools_MapIteratorOfMapOfShape soIt( _sdVec[ iSD-1 ]._before ); + for ( ; soIt.More(); soIt.Next() ) + allSolidsBefore.Add( soIt.Value() ); + } + } + if ( allSolidsBefore.Contains( solidAfter._solid )) + return false; + + for ( int i = 1; i <= allSolidsBefore.Extent(); ++i ) + solidAfter._before.Add( allSolidsBefore(i) ); + + return true; +} + +//================================================================================ +/*! + * \brief */ //================================================================================ @@ -1959,13 +2026,10 @@ bool _ViscousBuilder::findFacesWithLayers(const bool onlyWith) { SMESH_MesherHelper helper( *_mesh ); TopExp_Explorer exp; - TopTools_IndexedMapOfShape solids; // collect all faces-to-ignore defined by hyp for ( size_t i = 0; i < _sdVec.size(); ++i ) { - solids.Add( _sdVec[i]._solid ); - // get faces-to-ignore defined by each hyp typedef const StdMeshers_ViscousLayers* THyp; typedef std::pair< set, THyp > TFacesOfHyp; @@ -2061,8 +2125,9 @@ bool _ViscousBuilder::findFacesWithLayers(const bool onlyWith) } } - // Find faces to shrink mesh on (solution 2 in issue 0020832); + // Find FACEs to shrink mesh on (solution 2 in issue 0020832): fill in _shrinkShape2Shape TopTools_IndexedMapOfShape shapes; + std::string structAlgoName = "Hexa_3D"; for ( size_t i = 0; i < _sdVec.size(); ++i ) { shapes.Clear(); @@ -2070,121 +2135,32 @@ bool _ViscousBuilder::findFacesWithLayers(const bool onlyWith) for ( int iE = 1; iE <= shapes.Extent(); ++iE ) { const TopoDS_Shape& edge = shapes(iE); - // find 2 faces sharing an edge + // find 2 FACEs sharing an EDGE TopoDS_Shape FF[2]; - PShapeIteratorPtr fIt = helper.GetAncestors(edge, *_mesh, TopAbs_FACE); + PShapeIteratorPtr fIt = helper.GetAncestors(edge, *_mesh, TopAbs_FACE, &_sdVec[i]._solid); while ( fIt->more()) { const TopoDS_Shape* f = fIt->next(); - if ( helper.IsSubShape( *f, _sdVec[i]._solid)) - FF[ int( !FF[0].IsNull()) ] = *f; + FF[ int( !FF[0].IsNull()) ] = *f; } if( FF[1].IsNull() ) continue; // seam edge can be shared by 1 FACE only + // check presence of layers on them int ignore[2]; for ( int j = 0; j < 2; ++j ) - ignore[j] = _sdVec[i]._ignoreFaceIds.count ( getMeshDS()->ShapeToIndex( FF[j] )); + ignore[j] = _sdVec[i]._ignoreFaceIds.count( getMeshDS()->ShapeToIndex( FF[j] )); if ( ignore[0] == ignore[1] ) continue; // nothing interesting TopoDS_Shape fWOL = FF[ ignore[0] ? 0 : 1 ]; - // check presence of layers on fWOL within an adjacent SOLID - bool collision = false; - PShapeIteratorPtr sIt = helper.GetAncestors( fWOL, *_mesh, TopAbs_SOLID ); - while ( const TopoDS_Shape* solid = sIt->next() ) - if ( !solid->IsSame( _sdVec[i]._solid )) - { - int iSolid = solids.FindIndex( *solid ); - int iFace = getMeshDS()->ShapeToIndex( fWOL ); - if ( iSolid > 0 && !_sdVec[ iSolid-1 ]._ignoreFaceIds.count( iFace )) - { - //_sdVec[i]._noShrinkShapes.insert( iFace ); - //fWOL.Nullify(); - collision = true; - } - } - // add edge to maps + + // add EDGE to maps if ( !fWOL.IsNull()) { TGeomID edgeInd = getMeshDS()->ShapeToIndex( edge ); _sdVec[i]._shrinkShape2Shape.insert( make_pair( edgeInd, fWOL )); - if ( collision ) - { - // _shrinkShape2Shape will be used to temporary inflate _LayerEdge's based - // on the edge but shrink won't be performed - _sdVec[i]._noShrinkShapes.insert( edgeInd ); - } } } } - // Exclude from _shrinkShape2Shape FACE's that can't be shrinked since - // the algo of the SOLID sharing the FACE does not support it - set< string > notSupportAlgos; notSupportAlgos.insert("Hexa_3D"); - for ( size_t i = 0; i < _sdVec.size(); ++i ) - { - map< TGeomID, TopoDS_Shape >::iterator e2f = _sdVec[i]._shrinkShape2Shape.begin(); - for ( ; e2f != _sdVec[i]._shrinkShape2Shape.end(); ++e2f ) - { - const TopoDS_Shape& fWOL = e2f->second; - const TGeomID edgeID = e2f->first; - bool notShrinkFace = false; - PShapeIteratorPtr soIt = helper.GetAncestors(fWOL, *_mesh, TopAbs_SOLID); - while ( soIt->more() ) - { - const TopoDS_Shape* solid = soIt->next(); - if ( _sdVec[i]._solid.IsSame( *solid )) continue; - SMESH_Algo* algo = _mesh->GetGen()->GetAlgo( *_mesh, *solid ); - if ( !algo || !notSupportAlgos.count( algo->GetName() )) continue; - notShrinkFace = true; - size_t iSolid = 0; - for ( ; iSolid < _sdVec.size(); ++iSolid ) - { - if ( _sdVec[iSolid]._solid.IsSame( *solid ) ) { - if ( _sdVec[iSolid]._shrinkShape2Shape.count( edgeID )) - notShrinkFace = false; - break; - } - } - if ( notShrinkFace ) - { - _sdVec[i]._noShrinkShapes.insert( edgeID ); - - // add VERTEXes of the edge in _noShrinkShapes - TopoDS_Shape edge = getMeshDS()->IndexToShape( edgeID ); - for ( TopoDS_Iterator vIt( edge ); vIt.More(); vIt.Next() ) - _sdVec[i]._noShrinkShapes.insert( getMeshDS()->ShapeToIndex( vIt.Value() )); - - // check if there is a collision with to-shrink-from EDGEs in iSolid - if ( iSolid == _sdVec.size() ) - continue; // no VL in the solid - shapes.Clear(); - TopExp::MapShapes( fWOL, TopAbs_EDGE, shapes); - for ( int iE = 1; iE <= shapes.Extent(); ++iE ) - { - const TopoDS_Edge& E = TopoDS::Edge( shapes( iE )); - const TGeomID eID = getMeshDS()->ShapeToIndex( E ); - if ( eID == edgeID || - !_sdVec[iSolid]._shrinkShape2Shape.count( eID ) || - _sdVec[i]._noShrinkShapes.count( eID )) - continue; - for ( int is1st = 0; is1st < 2; ++is1st ) - { - TopoDS_Vertex V = helper.IthVertex( is1st, E ); - if ( _sdVec[i]._noShrinkShapes.count( getMeshDS()->ShapeToIndex( V ) )) - { - // _sdVec[i]._noShrinkShapes.insert( eID ); - // V = helper.IthVertex( !is1st, E ); - // _sdVec[i]._noShrinkShapes.insert( getMeshDS()->ShapeToIndex( V )); - //iE = 0; // re-start the loop on EDGEs of fWOL - return error("No way to make a conformal mesh with " - "the given set of faces with layers", _sdVec[i]._index); - } - } - } - } - - } // while ( soIt->more() ) - } // loop on _sdVec[i]._shrinkShape2Shape - } // loop on _sdVec to fill in _SolidData::_noShrinkShapes // Find the SHAPE along which to inflate _LayerEdge based on VERTEX @@ -2198,18 +2174,14 @@ bool _ViscousBuilder::findFacesWithLayers(const bool onlyWith) // find faces WOL sharing the vertex vector< TopoDS_Shape > facesWOL; size_t totalNbFaces = 0; - PShapeIteratorPtr fIt = helper.GetAncestors(vertex, *_mesh, TopAbs_FACE); + PShapeIteratorPtr fIt = helper.GetAncestors(vertex, *_mesh, TopAbs_FACE, &_sdVec[i]._solid ); while ( fIt->more()) { const TopoDS_Shape* f = fIt->next(); - if ( helper.IsSubShape( *f, _sdVec[i]._solid ) ) - { - totalNbFaces++; - const int fID = getMeshDS()->ShapeToIndex( *f ); - if ( _sdVec[i]._ignoreFaceIds.count ( fID ) /*&& - !_sdVec[i]._noShrinkShapes.count( fID )*/) - facesWOL.push_back( *f ); - } + totalNbFaces++; + const int fID = getMeshDS()->ShapeToIndex( *f ); + if ( _sdVec[i]._ignoreFaceIds.count ( fID ) /*&& !_sdVec[i]._noShrinkShapes.count( fID )*/) + facesWOL.push_back( *f ); } if ( facesWOL.size() == totalNbFaces || facesWOL.empty() ) continue; // no layers at this vertex or no WOL @@ -2259,7 +2231,130 @@ bool _ViscousBuilder::findFacesWithLayers(const bool onlyWith) } } - // add FACEs of other SOLIDs to _ignoreFaceIds + // Add to _noShrinkShapes sub-shapes of FACE's that can't be shrinked since + // the algo of the SOLID sharing the FACE does not support it or for other reasons + set< string > notSupportAlgos; notSupportAlgos.insert( structAlgoName ); + for ( size_t i = 0; i < _sdVec.size(); ++i ) + { + map< TGeomID, TopoDS_Shape >::iterator e2f = _sdVec[i]._shrinkShape2Shape.begin(); + for ( ; e2f != _sdVec[i]._shrinkShape2Shape.end(); ++e2f ) + { + const TopoDS_Shape& fWOL = e2f->second; + const TGeomID edgeID = e2f->first; + TGeomID faceID = getMeshDS()->ShapeToIndex( fWOL ); + TopoDS_Shape edge = getMeshDS()->IndexToShape( edgeID ); + if ( edge.ShapeType() != TopAbs_EDGE ) + continue; // shrink shape is VERTEX + + TopoDS_Shape solid; + PShapeIteratorPtr soIt = helper.GetAncestors(fWOL, *_mesh, TopAbs_SOLID); + while ( soIt->more() && solid.IsNull() ) + { + const TopoDS_Shape* so = soIt->next(); + if ( !so->IsSame( _sdVec[i]._solid )) + solid = *so; + } + if ( solid.IsNull() ) + continue; + + bool noShrinkE = false; + SMESH_Algo* algo = _mesh->GetSubMesh( solid )->GetAlgo(); + bool isStructured = ( algo && algo->GetName() == structAlgoName ); + size_t iSolid = _solids.FindIndex( solid ) - 1; + if ( iSolid < _sdVec.size() && _sdVec[ iSolid ]._ignoreFaceIds.count( faceID )) + { + // the adjacent SOLID has NO layers on fWOL; + // shrink allowed if + // - there are layers on the EDGE in the adjacent SOLID + // - there are NO layers in the adjacent SOLID && algo is unstructured and computed later + bool hasWLAdj = (_sdVec[iSolid]._shrinkShape2Shape.count( edgeID )); + bool shrinkAllowed = (( hasWLAdj ) || + ( !isStructured && setBefore( _sdVec[ i ], _sdVec[ iSolid ] ))); + noShrinkE = !shrinkAllowed; + } + else if ( iSolid < _sdVec.size() ) + { + // the adjacent SOLID has layers on fWOL; + // check if SOLID's mesh is unstructured and then try to set it + // to be computed after the i-th solid + if ( isStructured || !setBefore( _sdVec[ i ], _sdVec[ iSolid ] )) + noShrinkE = true; // don't shrink fWOL + } + else + { + // the adjacent SOLID has NO layers at all + noShrinkE = isStructured; + } + + if ( noShrinkE ) + { + _sdVec[i]._noShrinkShapes.insert( edgeID ); + + // check if there is a collision with to-shrink-from EDGEs in iSolid + // if ( iSolid < _sdVec.size() ) + // { + // shapes.Clear(); + // TopExp::MapShapes( fWOL, TopAbs_EDGE, shapes); + // for ( int iE = 1; iE <= shapes.Extent(); ++iE ) + // { + // const TopoDS_Edge& E = TopoDS::Edge( shapes( iE )); + // const TGeomID eID = getMeshDS()->ShapeToIndex( E ); + // if ( eID == edgeID || + // !_sdVec[iSolid]._shrinkShape2Shape.count( eID ) || + // _sdVec[i]._noShrinkShapes.count( eID )) + // continue; + // for ( int is1st = 0; is1st < 2; ++is1st ) + // { + // TopoDS_Vertex V = helper.IthVertex( is1st, E ); + // if ( _sdVec[i]._noShrinkShapes.count( getMeshDS()->ShapeToIndex( V ) )) + // { + // return error("No way to make a conformal mesh with " + // "the given set of faces with layers", _sdVec[i]._index); + // } + // } + // } + // } + } + + // add VERTEXes of the edge in _noShrinkShapes, which is necessary if + // _shrinkShape2Shape is different in the adjacent SOLID + for ( TopoDS_Iterator vIt( edge ); vIt.More(); vIt.Next() ) + { + TGeomID vID = getMeshDS()->ShapeToIndex( vIt.Value() ); + bool noShrinkV = false; + + if ( iSolid < _sdVec.size() ) + { + if ( _sdVec[ iSolid ]._ignoreFaceIds.count( faceID )) + { + map< TGeomID, TopoDS_Shape >::iterator i2S, i2SAdj; + i2S = _sdVec[i ]._shrinkShape2Shape.find( vID ); + i2SAdj = _sdVec[iSolid]._shrinkShape2Shape.find( vID ); + if ( i2SAdj == _sdVec[iSolid]._shrinkShape2Shape.end() ) + noShrinkV = ( i2S->second.ShapeType() == TopAbs_EDGE || isStructured ); + else + noShrinkV = ( ! i2S->second.IsSame( i2SAdj->second )); + } + else + { + noShrinkV = noShrinkE; + } + } + else + { + // the adjacent SOLID has NO layers at all + noShrinkV = ( isStructured || + _sdVec[i]._shrinkShape2Shape[ vID ].ShapeType() == TopAbs_EDGE ); + } + if ( noShrinkV ) + _sdVec[i]._noShrinkShapes.insert( vID ); + } + + } // loop on _sdVec[i]._shrinkShape2Shape + } // loop on _sdVec to fill in _SolidData::_noShrinkShapes + + + // add FACEs of other SOLIDs to _ignoreFaceIds for ( size_t i = 0; i < _sdVec.size(); ++i ) { shapes.Clear(); @@ -2538,7 +2633,7 @@ bool _ViscousBuilder::makeLayer(_SolidData& data) if ( data._stepSize < 1. ) data._epsilon *= data._stepSize; - if ( !findShapesToSmooth( data )) + if ( !findShapesToSmooth( data )) // _LayerEdge::_maxLen is computed here return false; // limit data._stepSize depending on surface curvature and fill data._convexFaces @@ -2680,11 +2775,11 @@ void _ViscousBuilder::limitStepSize( _SolidData& data, const double minSize ) void _ViscousBuilder::limitStepSizeByCurvature( _SolidData& data ) { + SMESH_MesherHelper helper( *_mesh ); + const int nbTestPnt = 5; // on a FACE sub-shape BRepLProp_SLProps surfProp( 2, 1e-6 ); - SMESH_MesherHelper helper( *_mesh ); - data._convexFaces.clear(); for ( size_t iS = 0; iS < data._edgesOnShape.size(); ++iS ) @@ -2747,6 +2842,42 @@ void _ViscousBuilder::limitStepSizeByCurvature( _SolidData& data ) convFace._face = F; convFace._normalsFixed = false; + // skip a closed surface (data._convexFaces is useful anyway) + bool isClosedF = false; + helper.SetSubShape( F ); + if ( helper.HasRealSeam() ) + { + // in the closed surface there must be a closed EDGE + for ( TopExp_Explorer eIt( F, TopAbs_EDGE ); eIt.More() && !isClosedF; eIt.Next() ) + isClosedF = helper.IsClosedEdge( TopoDS::Edge( eIt.Current() )); + } + if ( isClosedF ) + { + // limit _LayerEdge::_maxLen on the FACE + const double minCurvature = + 1. / ( eof._hyp.GetTotalThickness() * ( 1 + theThickToIntersection )); + map< TGeomID, _EdgesOnShape* >::iterator id2eos = cnvFace._subIdToEOS.find( faceID ); + if ( id2eos != cnvFace._subIdToEOS.end() ) + { + _EdgesOnShape& eos = * id2eos->second; + for ( size_t i = 0; i < eos._edges.size(); ++i ) + { + _LayerEdge* ledge = eos._edges[ i ]; + gp_XY uv = helper.GetNodeUV( F, ledge->_nodes[0] ); + surfProp.SetParameters( uv.X(), uv.Y() ); + if ( !surfProp.IsCurvatureDefined() ) + continue; + + if ( surfProp.MaxCurvature() * oriFactor > minCurvature ) + ledge->_maxLen = Min( ledge->_maxLen, 1. / surfProp.MaxCurvature() * oriFactor ); + + if ( surfProp.MinCurvature() * oriFactor > minCurvature ) + ledge->_maxLen = Min( ledge->_maxLen, 1. / surfProp.MinCurvature() * oriFactor ); + } + } + continue; + } + // Fill _ConvexFace::_simplexTestEdges. These _LayerEdge's are used to detect // prism distortion. map< TGeomID, _EdgesOnShape* >::iterator id2eos = convFace._subIdToEOS.find( faceID ); @@ -2822,7 +2953,7 @@ bool _ViscousBuilder::findShapesToSmooth( _SolidData& data ) //const double tgtThick = /*Min( 0.5 * data._geomSize, */data._maxThickness; // Find shapes needing smoothing; such a shape has _LayerEdge._normal on it's - // boundry inclined to the shape at a sharp angle + // boundary inclined to the shape at a sharp angle //list< TGeomID > shapesToSmooth; TopTools_MapOfShape edgesOfSmooFaces; @@ -3300,7 +3431,11 @@ bool _ViscousBuilder::setEdgeData(_LayerEdge& edge, // find _normal if ( useGeometry ) { - if ( onShrinkShape ) // one of faces the node is on has no layers + bool fromVonF = ( eos.ShapeType() == TopAbs_VERTEX && + eos.SWOLType() == TopAbs_FACE && + totalNbFaces > 1 ); + + if ( onShrinkShape && !fromVonF ) // one of faces the node is on has no layers { if ( eos.SWOLType() == TopAbs_EDGE ) { @@ -3320,12 +3455,15 @@ bool _ViscousBuilder::setEdgeData(_LayerEdge& edge, node, helper, normOK); } } - else // layers are on all FACEs of SOLID the node is on + else // layers are on all FACEs of SOLID the node is on (or fromVonF) { + if ( fromVonF ) + face2Norm[ totalNbFaces++ ].first = TopoDS::Face( eos._sWOL ); + int nbOkNorms = 0; - for ( int iF = 0; iF < totalNbFaces; ++iF ) + for ( int iF = totalNbFaces - 1; iF >= 0; --iF ) { - F = TopoDS::Face( face2Norm[ iF ].first ); + F = face2Norm[ iF ].first; geomNorm = getFaceNormal( node, F, helper, normOK ); if ( !normOK ) continue; nbOkNorms++; @@ -3338,11 +3476,16 @@ bool _ViscousBuilder::setEdgeData(_LayerEdge& edge, if ( nbOkNorms == 0 ) return error(SMESH_Comment("Can't get normal to node ") << node->GetID(), data._index); + if ( totalNbFaces >= 3 ) + { + edge._normal = getNormalByOffset( &edge, face2Norm, totalNbFaces, fromVonF ); + } + if ( edge._normal.Modulus() < 1e-3 && nbOkNorms > 1 ) { // opposite normals, re-get normals at shifted positions (IPAL 52426) edge._normal.SetCoord( 0,0,0 ); - for ( int iF = 0; iF < totalNbFaces; ++iF ) + for ( int iF = 0; iF < totalNbFaces - fromVonF; ++iF ) { const TopoDS_Face& F = face2Norm[iF].first; geomNorm = getFaceNormal( node, F, helper, normOK, /*shiftInside=*/true ); @@ -3353,11 +3496,6 @@ bool _ViscousBuilder::setEdgeData(_LayerEdge& edge, edge._normal += face2Norm[ iF ].second; } } - - if ( totalNbFaces >= 3 ) - { - edge._normal = getNormalByOffset( &edge, face2Norm, totalNbFaces ); - } } } else // !useGeometry - get _normal using surrounding mesh faces @@ -3397,7 +3535,8 @@ bool _ViscousBuilder::setEdgeData(_LayerEdge& edge, break; } case TopAbs_VERTEX: { - if ( eos.SWOLType() != TopAbs_FACE ) { // else _cosin is set by getFaceDir() + //if ( eos.SWOLType() != TopAbs_FACE ) // else _cosin is set by getFaceDir() + { TopoDS_Vertex V = TopoDS::Vertex( eos._shape ); gp_Vec inFaceDir = getFaceDir( F, V, node, helper, normOK ); double angle = inFaceDir.Angle( edge._normal ); // [0,PI] @@ -3410,7 +3549,7 @@ bool _ViscousBuilder::setEdgeData(_LayerEdge& edge, if ( normOK ) { double angle = inFaceDir.Angle( edge._normal ); double cosin = Cos( angle ); - if ( Abs( cosin ) > edge._cosin ) + if ( Abs( cosin ) > Abs( edge._cosin )) edge._cosin = cosin; } } @@ -3733,7 +3872,8 @@ gp_XYZ _ViscousBuilder::getWeigthedNormal( const _LayerEdge* edge ) gp_XYZ _ViscousBuilder::getNormalByOffset( _LayerEdge* edge, std::pair< TopoDS_Face, gp_XYZ > f2Normal[], - int nbFaces ) + int nbFaces, + bool lastNoOffset) { SMESH_TNodeXYZ p0 = edge->_nodes[0]; @@ -3748,11 +3888,16 @@ gp_XYZ _ViscousBuilder::getNormalByOffset( _LayerEdge* edge // prepare _OffsetPlane's vector< _OffsetPlane > pln( nbFaces ); - for ( int i = 0; i < nbFaces; ++i ) + for ( int i = 0; i < nbFaces - lastNoOffset; ++i ) { pln[i]._faceIndex = i; pln[i]._plane = gp_Pln( p0 + f2Normal[i].second, f2Normal[i].second ); } + if ( lastNoOffset ) + { + pln[ nbFaces - 1 ]._faceIndex = nbFaces - 1; + pln[ nbFaces - 1 ]._plane = gp_Pln( p0, f2Normal[ nbFaces - 1 ].second ); + } // intersect neighboring OffsetPlane's PShapeIteratorPtr edgeIt = SMESH_MesherHelper::GetAncestors( V, *_mesh, TopAbs_EDGE ); @@ -3764,7 +3909,7 @@ gp_XYZ _ViscousBuilder::getNormalByOffset( _LayerEdge* edge (( f1 < 0 ) ? f1 : f2 ) = i; if ( f2 >= 0 ) - pln[ f1 ].ComputeIntersectionLine( pln[ f2 ]); + pln[ f1 ].ComputeIntersectionLine( pln[ f2 ], TopoDS::Edge( *edge ), TopoDS::Vertex( V )); } // get a common point @@ -3773,7 +3918,7 @@ gp_XYZ _ViscousBuilder::getNormalByOffset( _LayerEdge* edge bool isPointFound; for ( int i = 0; i < nbFaces; ++i ) { - commonPnt += pln[ i ].GetCommonPoint( isPointFound ); + commonPnt += pln[ i ].GetCommonPoint( isPointFound, TopoDS::Vertex( V )); nbPoints += isPointFound; } gp_XYZ wgtNorm = getWeigthedNormal( edge ); @@ -3782,13 +3927,15 @@ gp_XYZ _ViscousBuilder::getNormalByOffset( _LayerEdge* edge commonPnt /= nbPoints; resNorm = commonPnt - p0; + if ( lastNoOffset ) + return resNorm; // choose the best among resNorm and wgtNorm resNorm.Normalize(); wgtNorm.Normalize(); double resMinDot = std::numeric_limits::max(); double wgtMinDot = std::numeric_limits::max(); - for ( int i = 0; i < nbFaces; ++i ) + for ( int i = 0; i < nbFaces - lastNoOffset; ++i ) { resMinDot = Min( resMinDot, resNorm * f2Normal[i].second ); wgtMinDot = Min( wgtMinDot, wgtNorm * f2Normal[i].second ); @@ -3808,7 +3955,9 @@ gp_XYZ _ViscousBuilder::getNormalByOffset( _LayerEdge* edge */ //================================================================================ -void _OffsetPlane::ComputeIntersectionLine( _OffsetPlane& pln ) +void _OffsetPlane::ComputeIntersectionLine( _OffsetPlane& pln, + const TopoDS_Edge& E, + const TopoDS_Vertex& V ) { int iNext = bool( _faceIndexNext[0] >= 0 ); _faceIndexNext[ iNext ] = pln._faceIndex; @@ -3832,31 +3981,37 @@ void _OffsetPlane::ComputeIntersectionLine( _OffsetPlane& pln ) else cooMax = 3; } - if ( Abs( lineDir.Coord( cooMax )) < 0.05 ) - return; - gp_Pnt linePos; - // the constants in the 2 plane equations - double d1 = - ( _plane.Axis().Direction().XYZ() * _plane.Location().XYZ() ); - double d2 = - ( pln._plane.Axis().Direction().XYZ() * pln._plane.Location().XYZ() ); - - switch ( cooMax ) { - case 1: - linePos.SetX( 0 ); - linePos.SetY(( d2*n1.Z() - d1*n2.Z()) / lineDir.X() ); - linePos.SetZ(( d1*n2.Y() - d2*n1.Y()) / lineDir.X() ); - break; - case 2: - linePos.SetX(( d1*n2.Z() - d2*n1.Z()) / lineDir.Y() ); - linePos.SetY( 0 ); - linePos.SetZ(( d2*n1.X() - d1*n2.X()) / lineDir.Y() ); - break; - case 3: - linePos.SetX(( d2*n1.Y() - d1*n2.Y()) / lineDir.Z() ); - linePos.SetY(( d1*n2.X() - d2*n1.X()) / lineDir.Z() ); - linePos.SetZ( 0 ); + if ( Abs( lineDir.Coord( cooMax )) < 0.05 ) + { + // parallel planes - intersection is an offset of the common EDGE + gp_Pnt p = BRep_Tool::Pnt( V ); + linePos = 0.5 * (( p.XYZ() + n1 ) + ( p.XYZ() + n2 )); + lineDir = getEdgeDir( E, V ); } + else + { + // the constants in the 2 plane equations + double d1 = - ( _plane.Axis().Direction().XYZ() * _plane.Location().XYZ() ); + double d2 = - ( pln._plane.Axis().Direction().XYZ() * pln._plane.Location().XYZ() ); + switch ( cooMax ) { + case 1: + linePos.SetX( 0 ); + linePos.SetY(( d2*n1.Z() - d1*n2.Z()) / lineDir.X() ); + linePos.SetZ(( d1*n2.Y() - d2*n1.Y()) / lineDir.X() ); + break; + case 2: + linePos.SetX(( d1*n2.Z() - d2*n1.Z()) / lineDir.Y() ); + linePos.SetY( 0 ); + linePos.SetZ(( d2*n1.X() - d1*n2.X()) / lineDir.Y() ); + break; + case 3: + linePos.SetX(( d2*n1.Y() - d1*n2.Y()) / lineDir.Z() ); + linePos.SetY(( d1*n2.X() - d2*n1.X()) / lineDir.Z() ); + linePos.SetZ( 0 ); + } + } gp_Lin& line = _lines[ iNext ]; line.SetDirection( lineDir ); line.SetLocation ( linePos ); @@ -3876,7 +4031,8 @@ void _OffsetPlane::ComputeIntersectionLine( _OffsetPlane& pln ) */ //================================================================================ -gp_XYZ _OffsetPlane::GetCommonPoint(bool& isFound) const +gp_XYZ _OffsetPlane::GetCommonPoint(bool& isFound, + const TopoDS_Vertex & V) const { gp_XYZ p( 0,0,0 ); isFound = false; @@ -3885,13 +4041,22 @@ gp_XYZ _OffsetPlane::GetCommonPoint(bool& isFound) const { gp_Vec lPerp0 = _lines[0].Direction().XYZ() ^ _plane.Axis().Direction().XYZ(); double dot01 = lPerp0 * _lines[1].Direction().XYZ(); - if ( Abs( dot01 ) > std::numeric_limits::min() ) + if ( Abs( dot01 ) > 0.05 ) { gp_Vec l0l1 = _lines[1].Location().XYZ() - _lines[0].Location().XYZ(); double u1 = - ( lPerp0 * l0l1 ) / dot01; p = ( _lines[1].Location().XYZ() + _lines[1].Direction().XYZ() * u1 ); isFound = true; } + else + { + gp_Pnt pV ( BRep_Tool::Pnt( V )); + gp_Vec lv0( _lines[0].Location(), pV ), lv1(_lines[1].Location(), pV ); + double dot0( lv0 * _lines[0].Direction() ), dot1( lv1 * _lines[1].Direction() ); + p += 0.5 * ( _lines[0].Location().XYZ() + _lines[0].Direction().XYZ() * dot0 ); + p += 0.5 * ( _lines[1].Location().XYZ() + _lines[1].Direction().XYZ() * dot1 ); + isFound = true; + } } return p; @@ -3997,7 +4162,7 @@ void _LayerEdge::SetDataByNeighbors( const SMDS_MeshNode* n1, //================================================================================ /*! * \brief Copy data from a _LayerEdge of other SOLID and based on the same node; - * this and other _LayerEdge's are inflated along a FACE or an EDGE + * this and the other _LayerEdge are inflated along a FACE or an EDGE */ //================================================================================ @@ -4266,6 +4431,8 @@ bool _ViscousBuilder::inflate(_SolidData& data) findCollisionEdges( data, helper ); + limitMaxLenByCurvature( data, helper ); + // limit length of _LayerEdge's around MULTI_NORMAL _LayerEdge's for ( size_t i = 0; i < data._edgesOnShape.size(); ++i ) if ( data._edgesOnShape[i].ShapeType() == TopAbs_VERTEX && @@ -4345,7 +4512,10 @@ bool _ViscousBuilder::inflate(_SolidData& data) const double shapeTgtThick = eos._hyp.GetTotalThickness(); for ( size_t i = 0; i < eos._edges.size(); ++i ) { - avgThick += Min( 1., eos._edges[i]->_len / shapeTgtThick ); + if ( eos._edges[i]->_nodes.size() > 1 ) + avgThick += Min( 1., eos._edges[i]->_len / shapeTgtThick ); + else + avgThick += shapeTgtThick; nbActiveEdges += ( ! eos._edges[i]->Is( _LayerEdge::BLOCKED )); } } @@ -4449,20 +4619,30 @@ bool _ViscousBuilder::smoothAndCheck(_SolidData& data, { // smooth disabled by the user; check validy only if ( !isFace ) continue; + badEdges.clear(); for ( size_t i = 0; i < eos._edges.size(); ++i ) { _LayerEdge* edge = eos._edges[i]; for ( size_t iF = 0; iF < edge->_simplices.size(); ++iF ) if ( !edge->_simplices[iF].IsForward( edge->_nodes[0], edge->_pos.back(), vol )) { - debugMsg( "-- Stop inflation. Bad simplex (" - << " "<< edge->_nodes[0]->GetID() - << " "<< edge->_nodes.back()->GetID() - << " "<< edge->_simplices[iF]._nPrev->GetID() - << " "<< edge->_simplices[iF]._nNext->GetID() << " ) "); - return false; + // debugMsg( "-- Stop inflation. Bad simplex (" + // << " "<< edge->_nodes[0]->GetID() + // << " "<< edge->_nodes.back()->GetID() + // << " "<< edge->_simplices[iF]._nPrev->GetID() + // << " "<< edge->_simplices[iF]._nNext->GetID() << " ) "); + // return false; + badEdges.push_back( edge ); } } + if ( !badEdges.empty() ) + { + eosC1.resize(1); + eosC1[0] = &eos; + int nbBad = invalidateBadSmooth( data, helper, badEdges, eosC1, infStep ); + if ( nbBad > 0 ) + return false; + } continue; // goto the next EDGE or FACE } @@ -4609,7 +4789,7 @@ bool _ViscousBuilder::smoothAndCheck(_SolidData& data, if (( step % 3 == 1 ) || ( nbBad > 0 && step >= stepLimit / 2 )) for ( size_t iEOS = 0; iEOS < eosC1.size(); ++iEOS ) { - putOnOffsetSurface( *eosC1[ iEOS ], infStep, step, /*moveAll=*/step == 1 ); + putOnOffsetSurface( *eosC1[ iEOS ], infStep, eosC1, step, /*moveAll=*/step == 1 ); } } // smoothing steps @@ -4618,10 +4798,10 @@ bool _ViscousBuilder::smoothAndCheck(_SolidData& data, for ( size_t iEOS = 0; iEOS < eosC1.size(); ++iEOS ) { if ( ! eosC1[ iEOS ]->_eosConcaVer.empty() || nbBad > 0 ) - putOnOffsetSurface( *eosC1[ iEOS ], infStep ); + putOnOffsetSurface( *eosC1[ iEOS ], infStep, eosC1 ); } - if ( !badEdges.empty() ) + //if ( !badEdges.empty() ) { badEdges.clear(); for ( size_t iEOS = 0; iEOS < eosC1.size(); ++iEOS ) @@ -4632,10 +4812,11 @@ bool _ViscousBuilder::smoothAndCheck(_SolidData& data, _LayerEdge* edge = eosC1[ iEOS ]->_edges[i]; edge->CheckNeiborsOnBoundary( & badEdges ); - if ( nbBad > 0 ) + if (( nbBad > 0 ) || + ( edge->Is( _LayerEdge::BLOCKED ) && edge->Is( _LayerEdge::NEAR_BOUNDARY ))) { SMESH_TNodeXYZ tgtXYZ = edge->_nodes.back(); - const gp_XYZ& prevXYZ = edge->PrevCheckPos(); + gp_XYZ prevXYZ = edge->PrevCheckPos(); for ( size_t j = 0; j < edge->_simplices.size(); ++j ) if ( !edge->_simplices[j].IsForward( &prevXYZ, &tgtXYZ, vol )) { @@ -4677,7 +4858,7 @@ bool _ViscousBuilder::smoothAndCheck(_SolidData& data, _LayerEdge* edge = eos._edges[i]; if ( edge->_nodes.size() < 2 ) continue; SMESH_TNodeXYZ tgtXYZ = edge->_nodes.back(); - const gp_XYZ& prevXYZ = edge->PrevCheckPos(); + gp_XYZ prevXYZ = edge->PrevCheckPos( &eos ); //const gp_XYZ& prevXYZ = edge->PrevPos(); for ( size_t j = 0; j < edge->_simplices.size(); ++j ) if ( !edge->_simplices[j].IsForward( &prevXYZ, &tgtXYZ, vol )) @@ -4858,16 +5039,16 @@ bool _ViscousBuilder::smoothAndCheck(_SolidData& data, } // loop on eos._edges } // loop on data._edgesOnShape -#ifdef __myDEBUG - if ( closestFace ) + if ( closestFace && le ) { +#ifdef __myDEBUG SMDS_MeshElement::iterator nIt = closestFace->begin_nodes(); cout << "Shortest distance: _LayerEdge nodes: tgt " << le->_nodes.back()->GetID() << " src " << le->_nodes[0]->GetID()<< ", intersection with face (" << (*nIt++)->GetID()<<" "<< (*nIt++)->GetID()<<" "<< (*nIt++)->GetID() << ") distance = " << distToIntersection<< endl; - } #endif + } return true; } @@ -4890,53 +5071,119 @@ int _ViscousBuilder::invalidateBadSmooth( _SolidData& data, dumpFunction(SMESH_Comment("invalidateBadSmooth")<<"_S"<_shapeID<<"_InfStep"<Set( ADDED ); + bool invalidated = false; + if ( edge->Is( TO_INVALIDATE ) && edge->NbSteps() > 1 ) + { + edge->InvalidateStep( edge->NbSteps(), *eos, /*restoreLength=*/true ); + edge->Block( data ); + edge->Set( INVALIDATED ); + edge->Unset( TO_INVALIDATE ); + invalidated = true; + haveInvalidated = true; + } + + // look for _LayerEdge's of bad _simplices + int nbBad = 0; + SMESH_TNodeXYZ tgtXYZ = edge->_nodes.back(); + gp_XYZ prevXYZ1 = edge->PrevCheckPos( eos ); + //const gp_XYZ& prevXYZ2 = edge->PrevPos(); + for ( size_t j = 0; j < edge->_simplices.size(); ++j ) + { + if (( edge->_simplices[j].IsForward( &prevXYZ1, &tgtXYZ, vol ))/* && + ( &prevXYZ1 == &prevXYZ2 || edge->_simplices[j].IsForward( &prevXYZ2, &tgtXYZ, vol ))*/) + continue; + + bool isBad = true; + _LayerEdge* ee[2] = { 0,0 }; + for ( size_t iN = 0; iN < edge->_neibors.size() && !ee[1] ; ++iN ) + if ( edge->_simplices[j].Includes( edge->_neibors[iN]->_nodes.back() )) + ee[ ee[0] != 0 ] = edge->_neibors[iN]; + + int maxNbSteps = Max( ee[0]->NbSteps(), ee[1]->NbSteps() ); + while ( maxNbSteps > edge->NbSteps() && isBad ) + { + --maxNbSteps; + for ( int iE = 0; iE < 2; ++iE ) + { + if ( ee[ iE ]->NbSteps() > maxNbSteps && + ee[ iE ]->NbSteps() > 1 ) + { + _EdgesOnShape* eos = data.GetShapeEdges( ee[ iE ] ); + ee[ iE ]->InvalidateStep( ee[ iE ]->NbSteps(), *eos, /*restoreLength=*/true ); + ee[ iE ]->Block( data ); + ee[ iE ]->Set( INVALIDATED ); + haveInvalidated = true; + } + } + if (( edge->_simplices[j].IsForward( &prevXYZ1, &tgtXYZ, vol )) /*&& + ( &prevXYZ1 == &prevXYZ2 || edge->_simplices[j].IsForward( &prevXYZ2, &tgtXYZ, vol ))*/) + isBad = false; + } + nbBad += isBad; + if ( !ee[0]->Is( ADDED )) badSmooEdges.push_back( ee[0] ); + if ( !ee[1]->Is( ADDED )) badSmooEdges.push_back( ee[1] ); + ee[0]->Set( ADDED ); + ee[1]->Set( ADDED ); + if ( isBad ) + { + ee[0]->Set( TO_INVALIDATE ); + ee[1]->Set( TO_INVALIDATE ); + } + } + + if ( !invalidated && nbBad > 0 && edge->NbSteps() > 1 ) + { + _EdgesOnShape* eos = data.GetShapeEdges( edge ); + edge->InvalidateStep( edge->NbSteps(), *eos, /*restoreLength=*/true ); + edge->Block( data ); + edge->Set( INVALIDATED ); + edge->Unset( TO_INVALIDATE ); + haveInvalidated = true; + } + } // loop on badSmooEdges + } // while ( haveInvalidated ) + + // re-smooth on analytical EDGEs for ( size_t i = 0; i < badSmooEdges.size(); ++i ) { _LayerEdge* edge = badSmooEdges[i]; - if ( edge->NbSteps() < 2 /*|| edge->Is( _LayerEdge::MARKED )*/) - continue; + if ( !edge->Is( INVALIDATED )) continue; _EdgesOnShape* eos = data.GetShapeEdges( edge ); - edge->InvalidateStep( edge->NbSteps(), *eos, /*restoreLength=*/true ); - edge->Block( data ); - //edge->Set( _LayerEdge::MARKED ); - - // look for _LayerEdge's of bad _simplices - SMESH_TNodeXYZ tgtXYZ = edge->_nodes.back(); - const gp_XYZ& prevXYZ1 = edge->PrevCheckPos(); - const gp_XYZ& prevXYZ2 = edge->PrevPos(); - for ( size_t j = 0; j < edge->_simplices.size(); ++j ) - { - if (( edge->_simplices[j].IsForward( &prevXYZ1, &tgtXYZ, vol )) && - ( &prevXYZ1 == &prevXYZ2 || edge->_simplices[j].IsForward( &prevXYZ2, &tgtXYZ, vol ))) - continue; - for ( size_t iN = 0; iN < edge->_neibors.size(); ++iN ) - if ( edge->_simplices[j].Includes( edge->_neibors[iN]->_nodes.back() )) - badSmooEdges.push_back( edge->_neibors[iN] ); - } - if ( eos->ShapeType() == TopAbs_VERTEX ) { - // re-smooth on analytical EDGEs PShapeIteratorPtr eIt = helper.GetAncestors( eos->_shape, *_mesh, TopAbs_EDGE ); while ( const TopoDS_Shape* e = eIt->next() ) if ( _EdgesOnShape* eoe = data.GetShapeEdges( *e )) if ( eoe->_edgeSmoother && eoe->_edgeSmoother->isAnalytic() ) { - TopoDS_Face F; Handle(ShapeAnalysis_Surface) surface; - if ( eoe->SWOLType() == TopAbs_FACE ) { - F = TopoDS::Face( eoe->_sWOL ); - surface = helper.GetSurface( F ); - } - eoe->_edgeSmoother->Perform( data, surface, F, helper ); + // TopoDS_Face F; Handle(ShapeAnalysis_Surface) surface; + // if ( eoe->SWOLType() == TopAbs_FACE ) { + // F = TopoDS::Face( eoe->_sWOL ); + // surface = helper.GetSurface( F ); + // } + // eoe->_edgeSmoother->Perform( data, surface, F, helper ); + eoe->_edgeSmoother->_anaCurve.Nullify(); } - } - } // loop on badSmooEdges + } // check result of invalidation @@ -4949,7 +5196,7 @@ int _ViscousBuilder::invalidateBadSmooth( _SolidData& data, if ( !eosC1[ iEOS ]->_sWOL.IsNull() ) continue; _LayerEdge* edge = eosC1[ iEOS ]->_edges[i]; SMESH_TNodeXYZ tgtXYZ = edge->_nodes.back(); - const gp_XYZ& prevXYZ = edge->PrevCheckPos(); + gp_XYZ prevXYZ = edge->PrevCheckPos( eosC1[ iEOS ]); for ( size_t j = 0; j < edge->_simplices.size(); ++j ) if ( !edge->_simplices[j].IsForward( &prevXYZ, &tgtXYZ, vol )) { @@ -4983,7 +5230,7 @@ void _ViscousBuilder::makeOffsetSurface( _EdgesOnShape& eos, SMESH_MesherHelper& // find offset gp_Pnt tgtP = SMESH_TNodeXYZ( eos._edgeForOffset->_nodes.back() ); - gp_Pnt2d uv = baseSurface->ValueOfUV( tgtP, Precision::Confusion() ); + /*gp_Pnt2d uv=*/baseSurface->ValueOfUV( tgtP, Precision::Confusion() ); double offset = baseSurface->Gap(); eos._offsetSurf.Nullify(); @@ -5013,18 +5260,35 @@ void _ViscousBuilder::makeOffsetSurface( _EdgesOnShape& eos, SMESH_MesherHelper& */ //================================================================================ -void _ViscousBuilder::putOnOffsetSurface( _EdgesOnShape& eos, - int infStep, - int smooStep, - bool moveAll ) +void _ViscousBuilder::putOnOffsetSurface( _EdgesOnShape& eos, + int infStep, + vector< _EdgesOnShape* >& eosC1, + int smooStep, + bool moveAll ) { - if ( eos._offsetSurf.IsNull() || - eos.ShapeType() != TopAbs_FACE || - eos._edgeForOffset == 0 || - eos._edgeForOffset->Is( _LayerEdge::BLOCKED )) + _EdgesOnShape * eof = & eos; + if ( eos.ShapeType() != TopAbs_FACE ) // eos is a boundary of C1 FACE, look for the FACE eos + { + eof = 0; + for ( size_t i = 0; i < eosC1.size() && !eof; ++i ) + { + if ( eosC1[i]->_offsetSurf.IsNull() || + eosC1[i]->ShapeType() != TopAbs_FACE || + eosC1[i]->_edgeForOffset == 0 || + eosC1[i]->_edgeForOffset->Is( _LayerEdge::BLOCKED )) + continue; + if ( SMESH_MesherHelper::IsSubShape( eos._shape, eosC1[i]->_shape )) + eof = eosC1[i]; + } + } + if ( !eof || + eof->_offsetSurf.IsNull() || + eof->ShapeType() != TopAbs_FACE || + eof->_edgeForOffset == 0 || + eof->_edgeForOffset->Is( _LayerEdge::BLOCKED )) return; - double preci = BRep_Tool::Tolerance( TopoDS::Face( eos._shape )), vol; + double preci = BRep_Tool::Tolerance( TopoDS::Face( eof->_shape )), vol; for ( size_t i = 0; i < eos._edges.size(); ++i ) { _LayerEdge* edge = eos._edges[i]; @@ -5041,12 +5305,12 @@ void _ViscousBuilder::putOnOffsetSurface( _EdgesOnShape& eos, continue; gp_Pnt tgtP = SMESH_TNodeXYZ( edge->_nodes.back() ); - gp_Pnt2d uv = eos._offsetSurf->NextValueOfUV( edge->_curvature->_uv, tgtP, preci ); - if ( eos._offsetSurf->Gap() > edge->_len ) continue; // NextValueOfUV() bug + gp_Pnt2d uv = eof->_offsetSurf->NextValueOfUV( edge->_curvature->_uv, tgtP, preci ); + if ( eof->_offsetSurf->Gap() > edge->_len ) continue; // NextValueOfUV() bug edge->_curvature->_uv = uv; - if ( eos._offsetSurf->Gap() < 10 * preci ) continue; // same pos + if ( eof->_offsetSurf->Gap() < 10 * preci ) continue; // same pos - gp_XYZ newP = eos._offsetSurf->Value( uv ).XYZ(); + gp_XYZ newP = eof->_offsetSurf->Value( uv ).XYZ(); gp_XYZ prevP = edge->PrevCheckPos(); bool ok = true; if ( !moveAll ) @@ -5202,22 +5466,27 @@ bool _Smoother1D::smoothAnalyticEdge( _SolidData& data, SMESH_TNodeXYZ p1 ( _eos._edges[iTo-1]->_2neibors->tgtNode(1) ); SMESH_TNodeXYZ pSrc0( _eos._edges[iFrom]->_2neibors->srcNode(0) ); SMESH_TNodeXYZ pSrc1( _eos._edges[iTo-1]->_2neibors->srcNode(1) ); - gp_XYZ newPos; + gp_XYZ newPos, lineDir = pSrc1 - pSrc0; + _LayerEdge* vLE0 = _eos._edges[iFrom]->_2neibors->_edges[0]; + _LayerEdge* vLE1 = _eos._edges[iTo-1]->_2neibors->_edges[1]; + bool shiftOnly = ( vLE0->Is( _LayerEdge::NORMAL_UPDATED ) || + vLE0->Is( _LayerEdge::BLOCKED ) || + vLE1->Is( _LayerEdge::NORMAL_UPDATED ) || + vLE1->Is( _LayerEdge::BLOCKED )); for ( size_t i = iFrom; i < iTo; ++i ) { _LayerEdge* edge = _eos._edges[i]; SMDS_MeshNode* tgtNode = const_cast( edge->_nodes.back() ); newPos = p0 * ( 1. - _leParams[i] ) + p1 * _leParams[i]; - if ( _eos._edges[i]->Is( _LayerEdge::NORMAL_UPDATED )) + if ( shiftOnly || edge->Is( _LayerEdge::NORMAL_UPDATED )) { - gp_XYZ curPos = SMESH_TNodeXYZ ( tgtNode ); - gp_XYZ lineDir = pSrc1 - pSrc0; - double shift = ( lineDir * ( newPos - pSrc0 ) - - lineDir * ( curPos - pSrc0 )); + gp_XYZ curPos = SMESH_TNodeXYZ ( tgtNode ); + double shift = ( lineDir * ( newPos - pSrc0 ) - + lineDir * ( curPos - pSrc0 )); newPos = curPos + lineDir * shift / lineDir.SquareModulus(); } - if ( _eos._edges[i]->Is( _LayerEdge::BLOCKED )) + if ( edge->Is( _LayerEdge::BLOCKED )) { SMESH_TNodeXYZ pSrc( edge->_nodes[0] ); double curThick = pSrc.SquareDistance( tgtNode ); @@ -5370,11 +5639,13 @@ bool _Smoother1D::smoothComplexEdge( _SolidData& data, if ( _offPoints.empty() ) return false; - // move _offPoints to positions along normals of _LayerEdge's + // move _offPoints along normals of _LayerEdge's _LayerEdge* e[2] = { getLEdgeOnV(0), getLEdgeOnV(1) }; - if ( e[0]->Is( _LayerEdge::NORMAL_UPDATED )) setNormalOnV( 0, helper ); - if ( e[1]->Is( _LayerEdge::NORMAL_UPDATED )) setNormalOnV( 1, helper ); + if ( e[0]->Is( _LayerEdge::NORMAL_UPDATED )) + _leOnV[0]._normal = getNormalNormal( e[0]->_normal, _edgeDir[0] ); + if ( e[1]->Is( _LayerEdge::NORMAL_UPDATED )) + _leOnV[1]._normal = getNormalNormal( e[1]->_normal, _edgeDir[1] ); _leOnV[0]._len = e[0]->_len; _leOnV[1]._len = e[1]->_len; for ( size_t i = 0; i < _offPoints.size(); i++ ) @@ -5386,6 +5657,9 @@ bool _Smoother1D::smoothComplexEdge( _SolidData& data, gp_XYZ avgNorm = ( e0->_normal * w0 + e1->_normal * w1 ).Normalized(); double avgLen = ( e0->_len * w0 + e1->_len * w1 ); double avgFact = ( e0->_lenFactor * w0 + e1->_lenFactor * w1 ); + if ( e0->Is( _LayerEdge::NORMAL_UPDATED ) || + e1->Is( _LayerEdge::NORMAL_UPDATED )) + avgNorm = getNormalNormal( avgNorm, _offPoints[i]._edgeDir ); _offPoints[i]._xyz += avgNorm * ( avgLen - _offPoints[i]._len ) * avgFact; _offPoints[i]._len = avgLen; @@ -5411,6 +5685,9 @@ bool _Smoother1D::smoothComplexEdge( _SolidData& data, // project tgt nodes of extreme _LayerEdge's to the offset segments + if ( e[0]->Is( _LayerEdge::NORMAL_UPDATED )) _iSeg[0] = 0; + if ( e[1]->Is( _LayerEdge::NORMAL_UPDATED )) _iSeg[1] = _offPoints.size()-2; + gp_Pnt pExtreme[2], pProj[2]; for ( int is2nd = 0; is2nd < 2; ++is2nd ) { @@ -5418,26 +5695,26 @@ bool _Smoother1D::smoothComplexEdge( _SolidData& data, int i = _iSeg[ is2nd ]; int di = is2nd ? -1 : +1; bool projected = false; - double uOnSeg, uOnSegDiff, uOnSegBestDiff = Precision::Infinite(), uOnSegPrevDiff = 0; + double uOnSeg, distMin = Precision::Infinite(), dist, distPrev = 0; int nbWorse = 0; do { gp_Vec v0p( _offPoints[i]._xyz, pExtreme[ is2nd ] ); gp_Vec v01( _offPoints[i]._xyz, _offPoints[i+1]._xyz ); - uOnSeg = ( v0p * v01 ) / v01.SquareMagnitude(); - uOnSegDiff = Abs( uOnSeg - 0.5 ); - projected = ( uOnSegDiff <= 0.5 ); - if ( uOnSegDiff < uOnSegBestDiff ) + uOnSeg = ( v0p * v01 ) / v01.SquareMagnitude(); // param [0,1] along v01 + projected = ( Abs( uOnSeg - 0.5 ) <= 0.5 ); + dist = pExtreme[ is2nd ].SquareDistance( _offPoints[ i + ( uOnSeg > 0.5 )]._xyz ); + if ( dist < distMin || projected ) { _iSeg[ is2nd ] = i; pProj[ is2nd ] = _offPoints[i]._xyz + ( v01 * uOnSeg ).XYZ(); - uOnSegBestDiff = uOnSegDiff; + distMin = dist; } - else if ( uOnSegDiff > uOnSegPrevDiff ) + else if ( dist > distPrev ) { if ( ++nbWorse > 3 ) // avoid projection to the middle of a closed EDGE break; } - uOnSegPrevDiff = uOnSegDiff; + distPrev = dist; i += di; } while ( !projected && @@ -5460,20 +5737,30 @@ bool _Smoother1D::smoothComplexEdge( _SolidData& data, return false; } + // adjust length of extreme LE (test viscous_layers_01/B7) + gp_Vec vDiv0( pExtreme[0], pProj[0] ); + gp_Vec vDiv1( pExtreme[1], pProj[1] ); + double d0 = vDiv0.Magnitude(); + double d1 = vDiv1.Magnitude(); + if ( e[0]->_normal * vDiv0.XYZ() < 0 ) e[0]->_len += d0; + else e[0]->_len -= d0; + if ( e[1]->_normal * vDiv1.XYZ() < 0 ) e[1]->_len += d1; + else e[1]->_len -= d1; + // compute normalized length of the offset segments located between the projections size_t iSeg = 0, nbSeg = _iSeg[1] - _iSeg[0] + 1; vector< double > len( nbSeg + 1 ); len[ iSeg++ ] = 0; - len[ iSeg++ ] = pProj[ 0 ].Distance( _offPoints[ _iSeg[0]+1 ]._xyz ); + len[ iSeg++ ] = pProj[ 0 ].Distance( _offPoints[ _iSeg[0]+1 ]._xyz )/* * e[0]->_lenFactor*/; for ( size_t i = _iSeg[0]+1; i <= _iSeg[1]; ++i, ++iSeg ) { len[ iSeg ] = len[ iSeg-1 ] + _offPoints[i].Distance( _offPoints[i+1] ); } - len[ nbSeg ] -= pProj[ 1 ].Distance( _offPoints[ _iSeg[1]+1 ]._xyz ); + len[ nbSeg ] -= pProj[ 1 ].Distance( _offPoints[ _iSeg[1]+1 ]._xyz )/* * e[1]->_lenFactor*/; - double d0 = pProj[0].Distance( pExtreme[0]); - double d1 = pProj[1].Distance( pExtreme[1]); + // d0 *= e[0]->_lenFactor; + // d1 *= e[1]->_lenFactor; double fullLen = len.back() - d0 - d1; for ( iSeg = 0; iSeg < len.size(); ++iSeg ) len[iSeg] = ( len[iSeg] - d0 ) / fullLen; @@ -5533,64 +5820,24 @@ void _Smoother1D::prepare(_SolidData& data) // sort _LayerEdge's by position on the EDGE data.SortOnEdge( E, _eos._edges ); - SMESH_MesherHelper& helper = data.GetHelper(); - // compute normalized param of _eos._edges on EDGE _leParams.resize( _eos._edges.size() + 1 ); { - double curLen, prevLen = _leParams[0] = 1.0; + double curLen; gp_Pnt pPrev = SMESH_TNodeXYZ( getLEdgeOnV( 0 )->_nodes[0] ); _leParams[0] = 0; for ( size_t i = 0; i < _eos._edges.size(); ++i ) { - gp_Pnt p = SMESH_TNodeXYZ( _eos._edges[i]->_nodes[0] ); - //curLen = prevLen * _eos._edges[i]->_2neibors->_wgt[1] / _eos._edges[i]->_2neibors->_wgt[0]; - curLen = p.Distance( pPrev ); + gp_Pnt p = SMESH_TNodeXYZ( _eos._edges[i]->_nodes[0] ); + curLen = p.Distance( pPrev ); _leParams[i+1] = _leParams[i] + curLen; - prevLen = curLen; - pPrev = p; + pPrev = p; } double fullLen = _leParams.back() + pPrev.Distance( SMESH_TNodeXYZ( getLEdgeOnV(1)->_nodes[0])); for ( size_t i = 0; i < _leParams.size()-1; ++i ) _leParams[i] = _leParams[i+1] / fullLen; } - // find intersection of neighbor _LayerEdge's to limit _maxLen - // according to EDGE curvature (IPAL52648) - _LayerEdge* e0 = _eos._edges[0]; - for ( size_t i = 1; i < _eos._edges.size(); ++i ) - { - _LayerEdge* ei = _eos._edges[i]; - gp_XYZ plnNorm = e0->_normal ^ ei->_normal; - gp_XYZ perp0 = e0->_normal ^ plnNorm; - double dot0i = perp0 * ei->_normal; - if ( Abs( dot0i ) > std::numeric_limits::min() ) - { - SMESH_TNodeXYZ srci( ei->_nodes[0] ), src0( e0->_nodes[0] ); - double ui = ( perp0 * ( src0 - srci )) / dot0i; - if ( ui > 0 ) - { - ei->_maxLen = Min( ei->_maxLen, 0.75 * ui / ei->_lenFactor ); - if ( ei->_maxLen < ei->_len ) - { - ei->InvalidateStep( ei->NbSteps(), _eos, /*restoreLength=*/true ); - ei->SetNewLength( ei->_maxLen, _eos, helper ); - ei->Block( data ); - } - gp_Pnt pi = srci + ei->_normal * ui; - double u0 = pi.Distance( src0 ); - e0->_maxLen = Min( e0->_maxLen, 0.75 * u0 / e0->_lenFactor ); - if ( e0->_maxLen < e0->_len ) - { - e0->InvalidateStep( e0->NbSteps(), _eos, /*restoreLength=*/true ); - e0->SetNewLength( e0->_maxLen, _eos, helper ); - e0->Block( data ); - } - } - } - e0 = ei; - } - if ( isAnalytic() ) return; @@ -5605,15 +5852,16 @@ void _Smoother1D::prepare(_SolidData& data) return; } - const double edgeLen = SMESH_Algo::EdgeLength( E ); - const double u0 = c3dAdaptor.FirstParameter(); + const double u0 = c3dAdaptor.FirstParameter(); + gp_Pnt p; gp_Vec tangent; _offPoints.resize( discret.NbPoints() ); for ( size_t i = 0; i < _offPoints.size(); i++ ) { - _offPoints[i]._xyz = discret.Value( i+1 ).XYZ(); - // use OffPnt::_len to TEMPORARY store normalized param of an offset point double u = discret.Parameter( i+1 ); - _offPoints[i]._len = GCPnts_AbscissaPoint::Length( c3dAdaptor, u0, u ) / edgeLen; + c3dAdaptor.D1( u, p, tangent ); + _offPoints[i]._xyz = p.XYZ(); + _offPoints[i]._edgeDir = tangent.XYZ(); + _offPoints[i]._param = GCPnts_AbscissaPoint::Length( c3dAdaptor, u0, u ) / _curveLen; } _LayerEdge* leOnV[2] = { getLEdgeOnV(0), getLEdgeOnV(1) }; @@ -5631,7 +5879,7 @@ void _Smoother1D::prepare(_SolidData& data) { // find _LayerEdge's located before and after an offset point // (_eos._edges[ iLE ] is next after ePrev) - while ( iLE < _eos._edges.size() && _offPoints[i]._len > _leParams[ iLE ] ) + while ( iLE < _eos._edges.size() && _offPoints[i]._param > _leParams[ iLE ] ) ePrev = _eos._edges[ iLE++ ]; eNext = ePrev->_2neibors->_edges[1]; @@ -5641,27 +5889,25 @@ void _Smoother1D::prepare(_SolidData& data) _offPoints[i]._2edges.set( ePrev, eNext, 1-r, r ); } - int iLBO = _offPoints.size() - 2; // last but one - _offPoints[iLBO]._2edges._edges[1] = & _leOnV[1]; + // replace _LayerEdge's on VERTEX by _leOnV in _offPoints._2edges + for ( size_t i = 0; i < _offPoints.size(); i++ ) + if ( _offPoints[i]._2edges._edges[0] == leOnV[0] ) + _offPoints[i]._2edges._edges[0] = & _leOnV[0]; + else break; + for ( size_t i = _offPoints.size()-1; i > 0; i-- ) + if ( _offPoints[i]._2edges._edges[1] == leOnV[1] ) + _offPoints[i]._2edges._edges[1] = & _leOnV[1]; + else break; - // { - // TopoDS_Face face[2]; // FACEs sharing the EDGE - // PShapeIteratorPtr fIt = helper.GetAncestors( _eos._shape, *helper.GetMesh(), TopAbs_FACE ); - // while ( const TopoDS_Shape* F = fIt->next() ) - // { - // TGeomID fID = helper.GetMeshDS()->ShapeToIndex( *F ); - // if ( ! data._ignoreFaceIds.count( fID )) - // face[ !face[0].IsNull() ] = *F; - // } - // if ( face[0].IsNull() ) return; - // if ( face[1].IsNull() ) face[1] = face[0]; - // } + // set _normal of _leOnV[0] and _leOnV[1] to be normal to the EDGE + int iLBO = _offPoints.size() - 2; // last but one - // set _normal of _leOnV[0] and _leOnV[1] to be normal to the EDGE + _edgeDir[0] = getEdgeDir( E, leOnV[0]->_nodes[0], data.GetHelper() ); + _edgeDir[1] = getEdgeDir( E, leOnV[1]->_nodes[0], data.GetHelper() ); - setNormalOnV( 0, data.GetHelper() ); - setNormalOnV( 1, data.GetHelper() ); + _leOnV[ 0 ]._normal = getNormalNormal( leOnV[0]->_normal, _edgeDir[0] ); + _leOnV[ 1 ]._normal = getNormalNormal( leOnV[1]->_normal, _edgeDir[1] ); _leOnV[ 0 ]._len = 0; _leOnV[ 1 ]._len = 0; _leOnV[ 0 ]._lenFactor = _offPoints[1 ]._2edges._edges[1]->_lenFactor; @@ -5699,18 +5945,14 @@ void _Smoother1D::prepare(_SolidData& data) */ //================================================================================ -void _Smoother1D::setNormalOnV( const bool is2nd, - SMESH_MesherHelper& helper) +gp_XYZ _Smoother1D::getNormalNormal( const gp_XYZ & normal, + const gp_XYZ& edgeDir) { - _LayerEdge* leOnV = getLEdgeOnV( is2nd ); - const TopoDS_Edge& E = TopoDS::Edge( _eos._shape ); - TopoDS_Shape V = helper.GetSubShapeByNode( leOnV->_nodes[0], helper.GetMeshDS() ); - gp_XYZ eDir = getEdgeDir( E, TopoDS::Vertex( V )); - gp_XYZ cross = leOnV->_normal ^ eDir; - gp_XYZ norm = eDir ^ cross; - double size = norm.Modulus(); + gp_XYZ cross = normal ^ edgeDir; + gp_XYZ norm = edgeDir ^ cross; + double size = norm.Modulus(); - _leOnV[ is2nd ]._normal = norm / size; + return norm / size; } //================================================================================ @@ -5960,6 +6202,94 @@ void _SolidData::AddShapesToSmooth( const set< _EdgesOnShape* >& eosToSmooth, } } +//================================================================================ +/*! + * \brief Limit _LayerEdge::_maxLen according to local curvature + */ +//================================================================================ + +void _ViscousBuilder::limitMaxLenByCurvature( _SolidData& data, SMESH_MesherHelper& helper ) +{ + // find intersection of neighbor _LayerEdge's to limit _maxLen + // according to local curvature (IPAL52648) + + // This method must be called after findCollisionEdges() where _LayerEdge's + // get _lenFactor initialized in the case of eos._hyp.IsOffsetMethod() + + for ( size_t iS = 0; iS < data._edgesOnShape.size(); ++iS ) + { + _EdgesOnShape& eosI = data._edgesOnShape[iS]; + if ( eosI._edges.empty() ) continue; + if ( !eosI._hyp.ToSmooth() ) + { + for ( size_t i = 0; i < eosI._edges.size(); ++i ) + { + _LayerEdge* eI = eosI._edges[i]; + for ( size_t iN = 0; iN < eI->_neibors.size(); ++iN ) + { + _LayerEdge* eN = eI->_neibors[iN]; + if ( eI->_nodes[0]->GetID() < eN->_nodes[0]->GetID() ) // treat this pair once + { + _EdgesOnShape* eosN = data.GetShapeEdges( eN ); + limitMaxLenByCurvature( eI, eN, eosI, *eosN, helper ); + } + } + } + } + else if ( eosI.ShapeType() == TopAbs_EDGE ) + { + const TopoDS_Edge& E = TopoDS::Edge( eosI._shape ); + if ( SMESH_Algo::IsStraight( E, /*degenResult=*/true )) continue; + + _LayerEdge* e0 = eosI._edges[0]; + for ( size_t i = 1; i < eosI._edges.size(); ++i ) + { + _LayerEdge* eI = eosI._edges[i]; + limitMaxLenByCurvature( eI, e0, eosI, eosI, helper ); + e0 = eI; + } + } + } +} + +//================================================================================ +/*! + * \brief Limit _LayerEdge::_maxLen according to local curvature + */ +//================================================================================ + +void _ViscousBuilder::limitMaxLenByCurvature( _LayerEdge* e1, + _LayerEdge* e2, + _EdgesOnShape& eos1, + _EdgesOnShape& eos2, + SMESH_MesherHelper& helper ) +{ + gp_XYZ plnNorm = e1->_normal ^ e2->_normal; + double norSize = plnNorm.SquareModulus(); + if ( norSize < std::numeric_limits::min() ) + return; // parallel normals + + // find closest points of skew _LayerEdge's + SMESH_TNodeXYZ src1( e1->_nodes[0] ), src2( e2->_nodes[0] ); + gp_XYZ dir12 = src2 - src1; + gp_XYZ perp1 = e1->_normal ^ plnNorm; + gp_XYZ perp2 = e2->_normal ^ plnNorm; + double dot1 = perp2 * e1->_normal; + double dot2 = perp1 * e2->_normal; + double u1 = ( perp2 * dir12 ) / dot1; + double u2 = - ( perp1 * dir12 ) / dot2; + if ( u1 > 0 && u2 > 0 ) + { + double ovl = ( u1 * e1->_normal * dir12 - + u2 * e2->_normal * dir12 ) / dir12.SquareModulus(); + if ( ovl > theSmoothThickToElemSizeRatio ) + { + e1->_maxLen = Min( e1->_maxLen, 0.75 * u1 / e1->_lenFactor ); + e2->_maxLen = Min( e2->_maxLen, 0.75 * u2 / e2->_lenFactor ); + } + } +} + //================================================================================ /*! * \brief Fill data._collisionEdges @@ -6038,10 +6368,10 @@ void _ViscousBuilder::findCollisionEdges( _SolidData& data, SMESH_MesherHelper& SMESHUtils::Deleter searcher ( SMESH_MeshAlgos::GetElementSearcher( *getMeshDS(), fIt )); - double dist1, dist2, segLen, eps; + double dist1, dist2, segLen, eps = 0.5; _CollisionEdges collEdges; vector< const SMDS_MeshElement* > suspectFaces; - const double angle30 = Cos( 30. * M_PI / 180. ); + const double angle45 = Cos( 45. * M_PI / 180. ); for ( size_t iS = 0; iS < data._edgesOnShape.size(); ++iS ) { @@ -6070,9 +6400,9 @@ void _ViscousBuilder::findCollisionEdges( _SolidData& data, SMESH_MesherHelper& // find intersecting _LayerEdge's for ( size_t i = 0; i < eos._edges.size(); ++i ) { + if ( eos._edges[i]->Is( _LayerEdge::MULTI_NORMAL )) continue; _LayerEdge* edge = eos._edges[i]; gp_Ax1 lastSegment = edge->LastSegment( segLen, eos ); - eps = 0.5 * edge->_len; segLen *= 1.2; gp_Vec eSegDir0, eSegDir1; @@ -6083,7 +6413,7 @@ void _ViscousBuilder::findCollisionEdges( _SolidData& data, SMESH_MesherHelper& eSegDir1 = SMESH_TNodeXYZ( edge->_2neibors->srcNode(1) ) - eP; } suspectFaces.clear(); - searcher->GetElementsInSphere( SMESH_TNodeXYZ( edge->_nodes.back()), edge->_len, + searcher->GetElementsInSphere( SMESH_TNodeXYZ( edge->_nodes.back()), edge->_len * 2, SMDSAbs_Face, suspectFaces ); collEdges._intEdges.clear(); for ( size_t j = 0 ; j < suspectFaces.size(); ++j ) @@ -6112,10 +6442,10 @@ void _ViscousBuilder::findCollisionEdges( _SolidData& data, SMESH_MesherHelper& { // skip perpendicular EDGEs gp_Vec fSegDir = SMESH_TNodeXYZ( f->_nn[0] ) - SMESH_TNodeXYZ( f->_nn[3] ); - bool isParallel = ( isLessAngle( eSegDir0, fSegDir, angle30 ) || - isLessAngle( eSegDir1, fSegDir, angle30 ) || - isLessAngle( eSegDir0, fSegDir.Reversed(), angle30 ) || - isLessAngle( eSegDir1, fSegDir.Reversed(), angle30 )); + bool isParallel = ( isLessAngle( eSegDir0, fSegDir, angle45 ) || + isLessAngle( eSegDir1, fSegDir, angle45 ) || + isLessAngle( eSegDir0, fSegDir.Reversed(), angle45 ) || + isLessAngle( eSegDir1, fSegDir.Reversed(), angle45 )); if ( !isParallel ) continue; } @@ -6187,7 +6517,7 @@ bool _ViscousBuilder::updateNormals( _SolidData& data, set< _EdgesOnShape* > shapesToSmooth, edgesNoAnaSmooth; - double segLen, dist1, dist2; + double segLen, dist1, dist2, dist; vector< pair< _LayerEdge*, double > > intEdgesDist; _TmpMeshFaceOnEdge quad( &zeroEdge, &zeroEdge, 0 ); @@ -6199,19 +6529,20 @@ bool _ViscousBuilder::updateNormals( _SolidData& data, { _CollisionEdges& ce = data._collisionEdges[iE]; _LayerEdge* edge1 = ce._edge; - if ( !edge1 || edge1->Is( _LayerEdge::BLOCKED )) continue; + if ( !edge1 /*|| edge1->Is( _LayerEdge::BLOCKED )*/) continue; _EdgesOnShape* eos1 = data.GetShapeEdges( edge1 ); if ( !eos1 ) continue; // detect intersections gp_Ax1 lastSeg = edge1->LastSegment( segLen, *eos1 ); - double testLen = 1.5 * edge1->_maxLen; //2 + edge1->_len * edge1->_lenFactor; - double eps = 0.5 * edge1->_len; + double testLen = 1.5 * edge1->_maxLen * edge1->_lenFactor; + double eps = 0.5; intEdgesDist.clear(); double minIntDist = Precision::Infinite(); for ( size_t i = 0; i < ce._intEdges.size(); i += 2 ) { - if ( ce._intEdges[i ]->Is( _LayerEdge::BLOCKED ) || + if ( edge1->Is( _LayerEdge::BLOCKED ) && + ce._intEdges[i ]->Is( _LayerEdge::BLOCKED ) && ce._intEdges[i+1]->Is( _LayerEdge::BLOCKED )) continue; double dot = edge1->_normal * quad.GetDir( ce._intEdges[i], ce._intEdges[i+1] ); @@ -6221,16 +6552,18 @@ bool _ViscousBuilder::updateNormals( _SolidData& data, gp_XYZ pLast0 = pSrc0 + ( pTgt0 - pSrc0 ) * fact; gp_XYZ pLast1 = pSrc1 + ( pTgt1 - pSrc1 ) * fact; dist1 = dist2 = Precision::Infinite(); - if ( !edge1->SegTriaInter( lastSeg, pSrc0, pTgt0, pSrc1, dist1, eps ) && - !edge1->SegTriaInter( lastSeg, pSrc1, pTgt1, pTgt0, dist2, eps )) - continue; - if (( dist1 > testLen || dist1 < 0 ) && - ( dist2 > testLen || dist2 < 0 )) + if ( !edge1->SegTriaInter( lastSeg, pSrc0, pLast0, pSrc1, dist1, eps ) && + !edge1->SegTriaInter( lastSeg, pSrc1, pLast1, pLast0, dist2, eps )) continue; - + dist = dist1; + if ( dist > testLen || dist <= 0 ) + { + dist = dist2; + if ( dist > testLen || dist <= 0 ) + continue; + } // choose a closest edge - gp_Pnt intP( lastSeg.Location().XYZ() + - lastSeg.Direction().XYZ() * ( Min( dist1, dist2 ) + segLen )); + gp_Pnt intP( lastSeg.Location().XYZ() + lastSeg.Direction().XYZ() * ( dist + segLen )); double d1 = intP.SquareDistance( pSrc0 ); double d2 = intP.SquareDistance( pSrc1 ); int iClose = i + ( d2 < d1 ); @@ -6249,15 +6582,14 @@ bool _ViscousBuilder::updateNormals( _SolidData& data, ( d1 < d2 ? edgeJ : edge2 )->Set( _LayerEdge::MARKED ); } } - intEdgesDist.push_back( make_pair( edge2, Min( dist1, dist2 ))); + intEdgesDist.push_back( make_pair( edge2, dist )); // if ( Abs( d2 - d1 ) / Max( d2, d1 ) < 0.5 ) // { // iClose = i + !( d2 < d1 ); // intEdges.push_back( ce._intEdges[iClose] ); // ce._intEdges[iClose]->Unset( _LayerEdge::MARKED ); // } - minIntDist = Min( edge1->_len * edge1->_lenFactor - segLen + dist1, minIntDist ); - minIntDist = Min( edge1->_len * edge1->_lenFactor - segLen + dist2, minIntDist ); + minIntDist = Min( edge1->_len * edge1->_lenFactor - segLen + dist, minIntDist ); } //ce._edge = 0; @@ -6267,6 +6599,8 @@ bool _ViscousBuilder::updateNormals( _SolidData& data, { _LayerEdge* edge2 = intEdgesDist[i].first; double distWgt = edge1->_len / intEdgesDist[i].second; + // if ( edge1->Is( _LayerEdge::BLOCKED ) && + // edge2->Is( _LayerEdge::BLOCKED )) continue; if ( edge2->Is( _LayerEdge::MARKED )) continue; edge2->Set( _LayerEdge::MARKED ); @@ -6324,6 +6658,7 @@ bool _ViscousBuilder::updateNormals( _SolidData& data, for ( e2neIt = edge2newEdge.begin(); e2neIt != edge2newEdge.end(); ++e2neIt ) { _LayerEdge* edge = e2neIt->first; + if ( edge->Is( _LayerEdge::BLOCKED )) continue; _LayerEdge& newEdge = e2neIt->second; _EdgesOnShape* eos = data.GetShapeEdges( edge ); @@ -6354,11 +6689,9 @@ bool _ViscousBuilder::updateNormals( _SolidData& data, else // edge inflates along a FACE { TopoDS_Shape V = helper.GetSubShapeByNode( edge->_nodes[0], getMeshDS() ); - PShapeIteratorPtr eIt = helper.GetAncestors( V, *_mesh, TopAbs_EDGE ); + PShapeIteratorPtr eIt = helper.GetAncestors( V, *_mesh, TopAbs_EDGE, &eos->_sWOL ); while ( const TopoDS_Shape* E = eIt->next() ) { - if ( !helper.IsSubShape( *E, /*FACE=*/eos->_sWOL )) - continue; gp_Vec edgeDir = getEdgeDir( TopoDS::Edge( *E ), TopoDS::Vertex( V )); double angle = edgeDir.Angle( newEdge._normal ); // [0,PI] if ( angle < M_PI / 2 ) @@ -6394,7 +6727,7 @@ bool _ViscousBuilder::updateNormals( _SolidData& data, edge1->SetDataByNeighbors( n1, n2, *eos1, helper ); } - if ( !edge1->_2neibors ) + if ( !edge1->_2neibors || !eos1->_sWOL.IsNull() ) continue; for ( int j = 0; j < 2; ++j ) // loop on 2 neighbors { @@ -6418,7 +6751,7 @@ bool _ViscousBuilder::updateNormals( _SolidData& data, if ( nextEdge == prevEdge ) nextEdge = neighbor->_2neibors->_edges[ ++iNext ]; } - double r = double(step-1)/nbSteps; + double r = double(step-1)/nbSteps/(iter+1); if ( !nextEdge->_2neibors ) r = Min( r, 0.5 ); @@ -6482,14 +6815,16 @@ bool _ViscousBuilder::isNewNormalOk( _SolidData& data, newMinDot = Min( newNormal * normFace, newMinDot ); curMinDot = Min( edge._normal * normFace, curMinDot ); } + bool ok = true; if ( newMinDot < 0.5 ) { - return ( newMinDot >= curMinDot * 0.9 ); + ok = ( newMinDot >= curMinDot * 0.9 ); //return ( newMinDot >= ( curMinDot * ( 0.8 + 0.1 * edge.NbSteps() ))); // double initMinDot2 = 1. - edge._cosin * edge._cosin; // return ( newMinDot * newMinDot ) >= ( 0.8 * initMinDot2 ); } - return true; + + return ok; } //================================================================================ @@ -6572,6 +6907,7 @@ void _ViscousBuilder::updateNormalsOfC1Vertices( _SolidData& data ) oppV = SMESH_MesherHelper::IthVertex( 1, e ); _EdgesOnShape* eovOpp = data.GetShapeEdges( oppV ); if ( !eovOpp || eovOpp->_edges.empty() ) continue; + if ( eov._edges[0]->Is( _LayerEdge::BLOCKED )) continue; double curThickOpp = eovOpp->_edges[0]->_len * eovOpp->_edges[0]->_lenFactor; if ( curThickOpp + curThick < eLen ) @@ -7168,6 +7504,28 @@ bool _LayerEdge::FindIntersection( SMESH_ElementSearcher& searcher, return segmentIntersected; } +//================================================================================ +/*! + * \brief Returns a point used to check orientation of _simplices + */ +//================================================================================ + +gp_XYZ _LayerEdge::PrevCheckPos( _EdgesOnShape* eos ) const +{ + size_t i = Is( NORMAL_UPDATED ) ? _pos.size()-2 : 0; + + if ( !eos || eos->_sWOL.IsNull() ) + return _pos[ i ]; + + if ( eos->SWOLType() == TopAbs_EDGE ) + { + return BRepAdaptor_Curve( TopoDS::Edge( eos->_sWOL )).Value( _pos[i].X() ).XYZ(); + } + //else // TopAbs_FACE + + return BRepAdaptor_Surface( TopoDS::Face( eos->_sWOL )).Value(_pos[i].X(), _pos[i].Y() ).XYZ(); +} + //================================================================================ /*! * \brief Returns size and direction of the last segment @@ -7270,7 +7628,7 @@ bool _LayerEdge::SegTriaInter( const gp_Ax1& lastSegment, const gp_Dir& dir = lastSegment.Direction(); /* calculate distance from vert0 to ray origin */ - gp_XYZ tvec = orig.XYZ() - vert0; + //gp_XYZ tvec = orig.XYZ() - vert0; //if ( tvec * dir > EPSILON ) // intersected face is at back side of the temporary face this _LayerEdge belongs to @@ -7289,6 +7647,9 @@ bool _LayerEdge::SegTriaInter( const gp_Ax1& lastSegment, if ( det > -ANGL_EPSILON && det < ANGL_EPSILON ) return false; + /* calculate distance from vert0 to ray origin */ + gp_XYZ tvec = orig.XYZ() - vert0; + /* calculate U parameter and test bounds */ double u = ( tvec * pvec ) / det; //if (u < 0.0 || u > 1.0) @@ -7577,7 +7938,9 @@ int _LayerEdge::CheckNeiborsOnBoundary( vector< _LayerEdge* >* badNeibors, bool if ( eN->_nodes[0]->getshapeId() == _nodes[0]->getshapeId() ) continue; if ( needSmooth ) - *needSmooth |= ( eN->Is( _LayerEdge::BLOCKED ) || eN->Is( _LayerEdge::NORMAL_UPDATED )); + *needSmooth |= ( eN->Is( _LayerEdge::BLOCKED ) || + eN->Is( _LayerEdge::NORMAL_UPDATED ) || + eN->_pos.size() != _pos.size() ); SMESH_TNodeXYZ curPosN ( eN->_nodes.back() ); SMESH_TNodeXYZ prevPosN( eN->_nodes[0] ); @@ -7623,7 +7986,7 @@ int _LayerEdge::Smooth(const int step, bool findBest, vector< _LayerEdge* >& toS findBest = true; const gp_XYZ& curPos = _pos.back(); - const gp_XYZ& prevPos = PrevCheckPos(); + const gp_XYZ& prevPos = _pos[0]; //PrevPos(); // quality metrics (orientation) of tetras around _tgtNode int nbOkBefore = 0; @@ -7767,7 +8130,7 @@ int _LayerEdge::Smooth(const int step, const bool isConcaveFace, bool findBest ) return 0; // not inflated const gp_XYZ& curPos = _pos.back(); - const gp_XYZ& prevPos = PrevCheckPos(); + const gp_XYZ& prevPos = _pos[0]; //PrevCheckPos(); // quality metrics (orientation) of tetras around _tgtNode int nbOkBefore = 0; @@ -8152,7 +8515,7 @@ gp_XYZ _LayerEdge::smoothNefPolygon() { gp_XYZ newPos(0,0,0); - // get a plane to seach a solution on + // get a plane to search a solution on vector< gp_XYZ > vecs( _simplices.size() + 1 ); size_t i; @@ -8343,7 +8706,7 @@ gp_XYZ _LayerEdge::smoothNefPolygon() { ////////////////////////////////// NEW gp_XYZ newPos(0,0,0); - // get a plane to seach a solution on + // get a plane to search a solution on size_t i; gp_XYZ center(0,0,0); @@ -8584,13 +8947,14 @@ void _LayerEdge::SetNewLength( double len, _EdgesOnShape& eos, SMESH_MesherHelpe // find point of intersection of the face plane located at baryCenter // and _normal located at newXYZ - double d = -( faceNorm.XYZ() * baryCenter ); // d of plane equation ax+by+cz+d=0 - double dot = ( faceNorm.XYZ() * _normal ); + double d = -( faceNorm.XYZ() * baryCenter ); // d of plane equation ax+by+cz+d=0 + double dot = ( faceNorm.XYZ() * _normal ); if ( dot < std::numeric_limits::min() ) dot = lenDelta * 1e-3; double step = -( faceNorm.XYZ() * newXYZ + d ) / dot; newXYZ += step * _normal; } + _lenFactor = _normal * ( newXYZ - oldXYZ ) / lenDelta; // _lenFactor is used in InvalidateStep() } else { @@ -8664,7 +9028,7 @@ void _LayerEdge::SetNewLength( double len, _EdgesOnShape& eos, SMESH_MesherHelpe void _LayerEdge::Block( _SolidData& data ) { - if ( Is( BLOCKED )) return; + //if ( Is( BLOCKED )) return; Set( BLOCKED ); _maxLen = _len; @@ -8680,8 +9044,7 @@ void _LayerEdge::Block( _SolidData& data ) for ( size_t iN = 0; iN < edge->_neibors.size(); ++iN ) { _LayerEdge* neibor = edge->_neibors[iN]; - if ( neibor->Is( BLOCKED ) || - neibor->_maxLen < edge->_maxLen ) + if ( neibor->_maxLen < edge->_maxLen * 1.01 ) continue; pSrcN = SMESH_TNodeXYZ( neibor->_nodes[0] ); pTgtN = SMESH_TNodeXYZ( neibor->_nodes.back() ); @@ -8690,7 +9053,7 @@ void _LayerEdge::Block( _SolidData& data ) minDist = Min( pSrc.SquareDistance( pTgtN ), minDist ); minDist = Min( pTgt.SquareDistance( pSrcN ), minDist ); double newMaxLen = edge->_maxLen + 0.5 * Sqrt( minDist ); - if ( edge->_nodes[0]->getshapeId() == neibor->_nodes[0]->getshapeId() ) + //if ( edge->_nodes[0]->getshapeId() == neibor->_nodes[0]->getshapeId() ) viscous_layers_00/A3 { newMaxLen *= edge->_lenFactor / neibor->_lenFactor; } @@ -8704,6 +9067,7 @@ void _LayerEdge::Block( _SolidData& data ) neibor->NbSteps() > 1 ) neibor->InvalidateStep( neibor->NbSteps(), *eos, /*restoreLength=*/true ); neibor->SetNewLength( neibor->_maxLen, *eos, data.GetHelper() ); + //neibor->Block( data ); } queue.push( neibor ); } @@ -8758,17 +9122,12 @@ void _LayerEdge::InvalidateStep( size_t curStep, const _EdgesOnShape& eos, bool //================================================================================ /*! - * \brief Smooth a path formed by _pos of a _LayerEdge smoothed on FACE + * \brief Return index of a _pos distant from _normal */ //================================================================================ -void _LayerEdge::SmoothPos( const vector< double >& segLen, const double tol ) +int _LayerEdge::GetSmoothedPos( const double tol ) { - //return; - if ( /*Is( NORMAL_UPDATED ) ||*/ _pos.size() <= 2 ) - return; - - // find the 1st smoothed _pos int iSmoothed = 0; for ( size_t i = 1; i < _pos.size() && !iSmoothed; ++i ) { @@ -8776,12 +9135,26 @@ void _LayerEdge::SmoothPos( const vector< double >& segLen, const double tol ) if ( normDist > tol * tol ) iSmoothed = i; } + return iSmoothed; +} + +//================================================================================ +/*! + * \brief Smooth a path formed by _pos of a _LayerEdge smoothed on FACE + */ +//================================================================================ + +void _LayerEdge::SmoothPos( const vector< double >& segLen, const double tol ) +{ + if ( /*Is( NORMAL_UPDATED ) ||*/ _pos.size() <= 2 ) + return; + + // find the 1st smoothed _pos + int iSmoothed = GetSmoothedPos( tol ); if ( !iSmoothed ) return; - if ( 1 || Is( DISTORTED )) + //if ( 1 || Is( DISTORTED )) { - // if ( segLen[ iSmoothed ] / segLen.back() < 0.5 ) - // return; gp_XYZ normal = _normal; if ( Is( NORMAL_UPDATED )) for ( size_t i = 1; i < _pos.size(); ++i ) @@ -8795,7 +9168,7 @@ void _LayerEdge::SmoothPos( const vector< double >& segLen, const double tol ) } } const double r = 0.2; - for ( int iter = 0; iter < 3; ++iter ) + for ( int iter = 0; iter < 50; ++iter ) { double minDot = 1; for ( size_t i = Max( 1, iSmoothed-1-iter ); i < _pos.size()-1; ++i ) @@ -8808,11 +9181,11 @@ void _LayerEdge::SmoothPos( const vector< double >& segLen, const double tol ) const_cast< double& >( segLen[i] ) = newLen; // check angle between normal and (_pos[i+1], _pos[i] ) gp_XYZ posDir = _pos[i+1] - _pos[i]; - double size = posDir.Modulus(); + double size = posDir.SquareModulus(); if ( size > RealSmall() ) - minDot = Min( minDot, ( normal * posDir ) / size ); + minDot = Min( minDot, ( normal * posDir ) * ( normal * posDir ) / size ); } - if ( minDot > 0.5 ) + if ( minDot > 0.5 * 0.5 ) break; } } @@ -8834,10 +9207,48 @@ void _LayerEdge::SmoothPos( const vector< double >& segLen, const double tol ) //================================================================================ /*! - * \brief Create layers of prisms + * \brief Print flags */ //================================================================================ +std::string _LayerEdge::DumpFlags() const +{ + SMESH_Comment dump; + for ( int flag = 1; flag < 0x1000000; flag *= 2 ) + if ( _flags & flag ) + { + EFlags f = (EFlags) flag; + switch ( f ) { + case TO_SMOOTH: dump << "TO_SMOOTH"; break; + case MOVED: dump << "MOVED"; break; + case SMOOTHED: dump << "SMOOTHED"; break; + case DIFFICULT: dump << "DIFFICULT"; break; + case ON_CONCAVE_FACE: dump << "ON_CONCAVE_FACE"; break; + case BLOCKED: dump << "BLOCKED"; break; + case INTERSECTED: dump << "INTERSECTED"; break; + case NORMAL_UPDATED: dump << "NORMAL_UPDATED"; break; + case MARKED: dump << "MARKED"; break; + case MULTI_NORMAL: dump << "MULTI_NORMAL"; break; + case NEAR_BOUNDARY: dump << "NEAR_BOUNDARY"; break; + case SMOOTHED_C1: dump << "SMOOTHED_C1"; break; + case DISTORTED: dump << "DISTORTED"; break; + case RISKY_SWOL: dump << "RISKY_SWOL"; break; + case SHRUNK: dump << "SHRUNK"; break; + case UNUSED_FLAG: dump << "UNUSED_FLAG"; break; + } + dump << " "; + } + cout << dump << endl; + return dump; +} + +//================================================================================ +/*! + case brief: + default: +*/ +//================================================================================ + bool _ViscousBuilder::refine(_SolidData& data) { SMESH_MesherHelper& helper = data.GetHelper(); @@ -8912,11 +9323,10 @@ bool _ViscousBuilder::refine(_SolidData& data) bool useNormal = true; bool usePos = false; bool smoothed = false; - const double preci = 0.1 * edge._len; - if ( eos._toSmooth ) + double preci = 0.1 * edge._len; + if ( eos._toSmooth && edge._pos.size() > 2 ) { - gp_Pnt tgtExpected = edge._pos[0] + edge._normal * edge._len; - smoothed = tgtExpected.SquareDistance( edge._pos.back() ) > preci * preci; + smoothed = edge.GetSmoothedPos( preci ); } if ( smoothed ) { @@ -8935,13 +9345,15 @@ bool _ViscousBuilder::refine(_SolidData& data) } } } - else + else if ( !edge.Is( _LayerEdge::NORMAL_UPDATED )) { +#ifndef __NODES_AT_POS useNormal = usePos = false; edge._pos[1] = edge._pos.back(); edge._pos.resize( 2 ); segLen.resize( 2 ); segLen[ 1 ] = edge._len; +#endif } if ( useNormal && edge.Is( _LayerEdge::NORMAL_UPDATED )) { @@ -8970,11 +9382,12 @@ bool _ViscousBuilder::refine(_SolidData& data) while ( swapped ) { swapped = false; - for ( size_t j = 1; j < edge._pos.size(); ++j ) + for ( size_t j = 1; j < edge._pos.size()-1; ++j ) if ( segLen[j] > segLen.back() ) { segLen.erase( segLen.begin() + j ); edge._pos.erase( edge._pos.begin() + j ); + --j; } else if ( segLen[j] < segLen[j-1] ) { @@ -8985,9 +9398,11 @@ bool _ViscousBuilder::refine(_SolidData& data) } } // smooth a path formed by edge._pos +#ifndef __NODES_AT_POS if (( smoothed ) /*&& ( eos.ShapeType() == TopAbs_FACE || edge.Is( _LayerEdge::SMOOTHED_C1 ))*/) edge.SmoothPos( segLen, preci ); +#endif } else if ( eos._isRegularSWOL ) // usual SWOL { @@ -9008,7 +9423,12 @@ bool _ViscousBuilder::refine(_SolidData& data) const SMDS_MeshNode* tgtNode = edge._nodes.back(); if ( edge._nodes.size() == 2 ) { - edge._nodes.resize( eos._hyp.GetNumberLayers() + 1, 0 ); +#ifdef __NODES_AT_POS + int nbNodes = edge._pos.size(); +#else + int nbNodes = eos._hyp.GetNumberLayers() + 1; +#endif + edge._nodes.resize( nbNodes, 0 ); edge._nodes[1] = 0; edge._nodes.back() = tgtNode; } @@ -9068,7 +9488,9 @@ bool _ViscousBuilder::refine(_SolidData& data) --iPrevSeg; double r = ( segLen[iSeg] - hSum ) / ( segLen[iSeg] - segLen[iPrevSeg] ); gp_Pnt pos = r * edge._pos[iPrevSeg] + (1-r) * edge._pos[iSeg]; - +#ifdef __NODES_AT_POS + pos = edge._pos[ iStep ]; +#endif SMDS_MeshNode*& node = const_cast< SMDS_MeshNode*& >( edge._nodes[ iStep ]); if ( !eos._sWOL.IsNull() ) { @@ -9173,7 +9595,6 @@ bool _ViscousBuilder::refine(_SolidData& data) set< vector* > nnSet; set< int > degenEdgeInd; vector degenVols; - vector isRiskySWOL; TopExp_Explorer exp( data._solid, TopAbs_FACE ); for ( ; exp.More(); exp.Next() ) @@ -9191,7 +9612,6 @@ bool _ViscousBuilder::refine(_SolidData& data) nnVec.resize( nbNodes ); nnSet.clear(); degenEdgeInd.clear(); - isRiskySWOL.resize( nbNodes ); size_t maxZ = 0, minZ = std::numeric_limits::max(); SMDS_NodeIteratorPtr nIt = face->nodeIterator(); for ( int iN = 0; iN < nbNodes; ++iN ) @@ -9202,7 +9622,6 @@ bool _ViscousBuilder::refine(_SolidData& data) nnVec[ i ] = & edge->_nodes; maxZ = std::max( maxZ, nnVec[ i ]->size() ); minZ = std::min( minZ, nnVec[ i ]->size() ); - //isRiskySWOL[ i ] = edge->Is( _LayerEdge::RISKY_SWOL ); if ( helper.HasDegeneratedEdges() ) nnSet.insert( nnVec[ i ]); @@ -9311,7 +9730,7 @@ bool _ViscousBuilder::refine(_SolidData& data) if ( !err || err->IsOK() ) { err.reset( new SMESH_ComputeError( COMPERR_WARNING, - "Degenerated volumes created" )); + "Bad quality volumes created" )); err->myBadElements.insert( err->myBadElements.end(), degenVols.begin(),degenVols.end() ); } @@ -9326,71 +9745,94 @@ bool _ViscousBuilder::refine(_SolidData& data) */ //================================================================================ -bool _ViscousBuilder::shrink() +bool _ViscousBuilder::shrink(_SolidData& theData) { - // make map of (ids of FACEs to shrink mesh on) to (_SolidData containing _LayerEdge's - // inflated along FACE or EDGE) - map< TGeomID, _SolidData* > f2sdMap; + // make map of (ids of FACEs to shrink mesh on) to (list of _SolidData containing + // _LayerEdge's inflated along FACE or EDGE) + map< TGeomID, list< _SolidData* > > f2sdMap; for ( size_t i = 0 ; i < _sdVec.size(); ++i ) { _SolidData& data = _sdVec[i]; - TopTools_MapOfShape FFMap; map< TGeomID, TopoDS_Shape >::iterator s2s = data._shrinkShape2Shape.begin(); for (; s2s != data._shrinkShape2Shape.end(); ++s2s ) - if ( s2s->second.ShapeType() == TopAbs_FACE ) + if ( s2s->second.ShapeType() == TopAbs_FACE && !_shrinkedFaces.Contains( s2s->second )) { - f2sdMap.insert( make_pair( getMeshDS()->ShapeToIndex( s2s->second ), &data )); + f2sdMap[ getMeshDS()->ShapeToIndex( s2s->second )].push_back( &data ); - if ( FFMap.Add( (*s2s).second )) - // Put mesh faces on the shrinked FACE to the proxy sub-mesh to avoid - // usage of mesh faces made in addBoundaryElements() by the 3D algo or - // by StdMeshers_QuadToTriaAdaptor - if ( SMESHDS_SubMesh* smDS = getMeshDS()->MeshElements( s2s->second )) + // Put mesh faces on the shrinked FACE to the proxy sub-mesh to avoid + // usage of mesh faces made in addBoundaryElements() by the 3D algo or + // by StdMeshers_QuadToTriaAdaptor + if ( SMESHDS_SubMesh* smDS = getMeshDS()->MeshElements( s2s->second )) + { + SMESH_ProxyMesh::SubMesh* proxySub = + data._proxyMesh->getFaceSubM( TopoDS::Face( s2s->second ), /*create=*/true); + if ( proxySub->NbElements() == 0 ) { - SMESH_ProxyMesh::SubMesh* proxySub = - data._proxyMesh->getFaceSubM( TopoDS::Face( s2s->second ), /*create=*/true); SMDS_ElemIteratorPtr fIt = smDS->GetElements(); while ( fIt->more() ) - proxySub->AddElement( fIt->next() ); - // as a result 3D algo will use elements from proxySub and not from smDS + { + const SMDS_MeshElement* f = fIt->next(); + // as a result 3D algo will use elements from proxySub and not from smDS + proxySub->AddElement( f ); + f->setIsMarked( true ); + + // Mark nodes on the FACE to discriminate them from nodes + // added by addBoundaryElements(); marked nodes are to be smoothed while shrink() + for ( int iN = 0, nbN = f->NbNodes(); iN < nbN; ++iN ) + { + const SMDS_MeshNode* n = f->GetNode( iN ); + if ( n->GetPosition()->GetDim() == 2 ) + n->setIsMarked( true ); + } + } } + } } } SMESH_MesherHelper helper( *_mesh ); helper.ToFixNodeParameters( true ); - // EDGE's to shrink + // EDGEs to shrink map< TGeomID, _Shrinker1D > e2shrMap; vector< _EdgesOnShape* > subEOS; vector< _LayerEdge* > lEdges; - // loop on FACES to srink mesh on - map< TGeomID, _SolidData* >::iterator f2sd = f2sdMap.begin(); + // loop on FACEs to srink mesh on + map< TGeomID, list< _SolidData* > >::iterator f2sd = f2sdMap.begin(); for ( ; f2sd != f2sdMap.end(); ++f2sd ) { - _SolidData& data = *f2sd->second; + list< _SolidData* > & dataList = f2sd->second; + if ( dataList.front()->_n2eMap.empty() || + dataList.back() ->_n2eMap.empty() ) + continue; // not yet computed + if ( dataList.front() != &theData && + dataList.back() != &theData ) + continue; + + _SolidData& data = *dataList.front(); + _SolidData* data2 = dataList.size() > 1 ? dataList.back() : 0; const TopoDS_Face& F = TopoDS::Face( getMeshDS()->IndexToShape( f2sd->first )); SMESH_subMesh* sm = _mesh->GetSubMesh( F ); SMESHDS_SubMesh* smDS = sm->GetSubMeshDS(); - Handle(Geom_Surface) surface = BRep_Tool::Surface(F); + Handle(Geom_Surface) surface = BRep_Tool::Surface( F ); - helper.SetSubShape(F); + _shrinkedFaces.Add( F ); + helper.SetSubShape( F ); // =========================== // Prepare data for shrinking // =========================== - // Collect nodes to smooth, as src nodes are not yet replaced by tgt ones - // and hence all nodes on a FACE connected to 2d elements are to be smoothed + // Collect nodes to smooth (they are marked at the beginning of this method) vector < const SMDS_MeshNode* > smoothNodes; { SMDS_NodeIteratorPtr nIt = smDS->GetNodes(); while ( nIt->more() ) { const SMDS_MeshNode* n = nIt->next(); - if ( n->NbInverseElements( SMDSAbs_Face ) > 0 ) + if ( n->isMarked() ) smoothNodes.push_back( n ); } } @@ -9402,10 +9844,10 @@ bool _ViscousBuilder::shrink() { vector<_Simplex> simplices; _Simplex::GetSimplices( smoothNodes[0], simplices, ignoreShapes ); - helper.GetNodeUV( F, simplices[0]._nPrev, 0, &isOkUV ); // fix UV of silpmex nodes + helper.GetNodeUV( F, simplices[0]._nPrev, 0, &isOkUV ); // fix UV of simplex nodes helper.GetNodeUV( F, simplices[0]._nNext, 0, &isOkUV ); gp_XY uv = helper.GetNodeUV( F, smoothNodes[0], 0, &isOkUV ); - if ( !simplices[0].IsForward(uv, smoothNodes[0], F, helper,refSign) ) + if ( !simplices[0].IsForward(uv, smoothNodes[0], F, helper, refSign )) refSign = -1; } @@ -9421,8 +9863,13 @@ bool _ViscousBuilder::shrink() if ( data._noShrinkShapes.count( subID )) continue; _EdgesOnShape* eos = data.GetShapeEdges( subID ); - if ( !eos || eos->_sWOL.IsNull() ) continue; - + if ( !eos || eos->_sWOL.IsNull() ) + if ( data2 ) // check in adjacent SOLID + { + eos = data2->GetShapeEdges( subID ); + if ( !eos || eos->_sWOL.IsNull() ) + continue; + } subEOS.push_back( eos ); for ( size_t i = 0; i < eos->_edges.size(); ++i ) @@ -9455,7 +9902,7 @@ bool _ViscousBuilder::shrink() while ( fIt->more() ) { const SMDS_MeshElement* f = fIt->next(); - if ( !smDS->Contains( f )) + if ( !smDS->Contains( f ) || !f->isMarked() ) continue; SMDS_NodeIteratorPtr nIt = f->nodeIterator(); for ( int iN = 0; nIt->more(); ++iN ) @@ -9482,7 +9929,7 @@ bool _ViscousBuilder::shrink() { const SMDS_MeshNode* n = smoothNodes[i]; nodesToSmooth[ i ]._node = n; - // src nodes must be replaced by tgt nodes to have tgt nodes in _simplices + // src nodes must be already replaced by tgt nodes to have tgt nodes in _simplices _Simplex::GetSimplices( n, nodesToSmooth[ i ]._simplices, ignoreShapes, 0, sortSimplices); // fix up incorrect uv of nodes on the FACE helper.GetNodeUV( F, n, 0, &isOkUV); @@ -9513,6 +9960,10 @@ bool _ViscousBuilder::shrink() { _LayerEdge& edge = * eos._edges[i]; _Simplex::GetSimplices( /*tgtNode=*/edge._nodes.back(), edge._simplices, ignoreShapes ); + + // additionally mark tgt node; only marked nodes will be used in SetNewLength2d() + // not-marked nodes are those added by refine() + edge._nodes.back()->setIsMarked( true ); } } } @@ -9649,6 +10100,8 @@ bool _ViscousBuilder::shrink() if ( !errMsg.empty() ) // Try to re-compute the shrink FACE { + debugMsg( "Re-compute FACE " << f2sd->first << " because " << errMsg ); + // remove faces SMESHDS_SubMesh* psm = data._proxyMesh->getFaceSubM( F ); { @@ -9688,7 +10141,8 @@ bool _ViscousBuilder::shrink() { _LayerEdge* edge = subEOS[iS]->_edges[i]; SMDS_MeshNode* tgtNode = const_cast< SMDS_MeshNode*& >( edge->_nodes.back() ); - if ( edge->_pos.empty() ) continue; + if ( edge->_pos.empty() || + edge->Is( _LayerEdge::SHRUNK )) continue; if ( subEOS[iS]->SWOLType() == TopAbs_FACE ) { SMDS_FacePosition* pos = static_cast( tgtNode->GetPosition() ); @@ -9844,6 +10298,8 @@ bool _ViscousBuilder::shrink() // Set an event listener to clear FACE sub-mesh together with SOLID sub-mesh VISCOUS_3D::ToClearSubWithMain( sm, data._solid ); + if ( data2 ) + VISCOUS_3D::ToClearSubWithMain( sm, data2->_solid ); } // loop on FACES to srink mesh on @@ -9876,6 +10332,7 @@ bool _ViscousBuilder::prepareEdgeToShrink( _LayerEdge& edge, if ( tgtNode->GetPosition()->GetDim() != 2 ) // not inflated edge { edge._pos.clear(); + edge.Set( _LayerEdge::SHRUNK ); return srcNode == tgtNode; } gp_XY srcUV ( edge._pos[0].X(), edge._pos[0].Y() ); //helper.GetNodeUV( F, srcNode ); @@ -9886,7 +10343,7 @@ bool _ViscousBuilder::prepareEdgeToShrink( _LayerEdge& edge, edge._normal.SetCoord( uvDir.X(),uvDir.Y(), 0 ); edge._len = uvLen; - edge._pos.resize(1); + //edge._pos.resize(1); edge._pos[0].SetCoord( tgtUV.X(), tgtUV.Y(), 0 ); // set UV of source node to target node @@ -9899,6 +10356,7 @@ bool _ViscousBuilder::prepareEdgeToShrink( _LayerEdge& edge, if ( tgtNode->GetPosition()->GetDim() != 1 ) // not inflated edge { edge._pos.clear(); + edge.Set( _LayerEdge::SHRUNK ); return srcNode == tgtNode; } const TopoDS_Edge& E = TopoDS::Edge( eos._sWOL ); @@ -9920,16 +10378,17 @@ bool _ViscousBuilder::prepareEdgeToShrink( _LayerEdge& edge, double uSrc = helper.GetNodeU( E, srcNode, n2 ); double uTgt = helper.GetNodeU( E, tgtNode, srcNode ); - double u2 = helper.GetNodeU( E, n2, srcNode ); + double u2 = helper.GetNodeU( E, n2, srcNode ); - edge._pos.clear(); + //edge._pos.clear(); if ( fabs( uSrc-uTgt ) < 0.99 * fabs( uSrc-u2 )) { // tgtNode is located so that it does not make faces with wrong orientation + edge.Set( _LayerEdge::SHRUNK ); return true; } - edge._pos.resize(1); + //edge._pos.resize(1); edge._pos[0].SetCoord( U_TGT, uTgt ); edge._pos[0].SetCoord( U_SRC, uSrc ); edge._pos[0].SetCoord( LEN_TGT, fabs( uSrc-uTgt )); @@ -10150,7 +10609,7 @@ bool _LayerEdge::SetNewLength2d( Handle(Geom_Surface)& surface, _EdgesOnShape& eos, SMESH_MesherHelper& helper ) { - if ( _pos.empty() ) + if ( Is( SHRUNK )) return false; // already at the target position SMDS_MeshNode* tgtNode = const_cast< SMDS_MeshNode*& >( _nodes.back() ); @@ -10167,6 +10626,10 @@ bool _LayerEdge::SetNewLength2d( Handle(Geom_Surface)& surface, double stepSize = 1e100; for ( size_t i = 0; i < _simplices.size(); ++i ) { + if ( !_simplices[i]._nPrev->isMarked() || + !_simplices[i]._nNext->isMarked() ) + continue; // simplex of quadrangle created by addBoundaryElements() + // find intersection of 2 lines: curUV-tgtUV and that connecting simplex nodes gp_XY uvN1 = helper.GetNodeUV( F, _simplices[i]._nPrev ); gp_XY uvN2 = helper.GetNodeUV( F, _simplices[i]._nNext ); @@ -10182,7 +10645,8 @@ bool _LayerEdge::SetNewLength2d( Handle(Geom_Surface)& surface, if ( uvLen <= stepSize ) { newUV = tgtUV; - _pos.clear(); + Set( SHRUNK ); + //_pos.clear(); } else if ( stepSize > 0 ) { @@ -10215,7 +10679,8 @@ bool _LayerEdge::SetNewLength2d( Handle(Geom_Surface)& surface, double newU = _pos[0].Coord( U_TGT ); if ( lenTgt < 0.99 * fabs( uSrc-u2 )) // n2 got out of src-tgt range { - _pos.clear(); + Set( _LayerEdge::SHRUNK ); + //_pos.clear(); } else { @@ -10448,7 +10913,7 @@ void _Shrinker1D::AddEdge( const _LayerEdge* e, _done = false; } // check _LayerEdge - if ( e == _edges[0] || e == _edges[1] ) + if ( e == _edges[0] || e == _edges[1] || e->_nodes.size() < 2 ) return; if ( eos.SWOLType() != TopAbs_EDGE ) throw SALOME_Exception(LOCALIZED("Wrong _LayerEdge is added")); @@ -10485,9 +10950,18 @@ void _Shrinker1D::AddEdge( const _LayerEdge* e, while ( nIt->more() ) { const SMDS_MeshNode* node = nIt->next(); + + // skip refinement nodes if ( node->NbInverseElements(SMDSAbs_Edge) == 0 || node == tgtNode0 || node == tgtNode1 ) - continue; // refinement nodes + continue; + bool hasMarkedFace = false; + SMDS_ElemIteratorPtr fIt = node->GetInverseElementIterator(SMDSAbs_Face); + while ( fIt->more() && !hasMarkedFace ) + hasMarkedFace = fIt->next()->isMarked(); + if ( !hasMarkedFace ) + continue; + _nodes.push_back( node ); _initU.push_back( helper.GetNodeU( _geomEdge, node )); double len = GCPnts_AbscissaPoint::Length(aCurve, f, _initU.back()); @@ -10520,8 +10994,8 @@ void _Shrinker1D::Compute(bool set3D, SMESH_MesherHelper& helper) if ( !e ) e = _edges[1]; if ( !e ) return; - _done = (( !_edges[0] || _edges[0]->_pos.empty() ) && - ( !_edges[1] || _edges[1]->_pos.empty() )); + _done = (( !_edges[0] || _edges[0]->Is( _LayerEdge::SHRUNK )) && + ( !_edges[1] || _edges[1]->Is( _LayerEdge::SHRUNK ))); double f,l; if ( set3D || _done ) @@ -10602,11 +11076,12 @@ void _Shrinker1D::SwapSrcTgtNodes( SMESHDS_Mesh* mesh ) if ( !eSubMesh ) return; const SMDS_MeshNode* srcNode = _edges[i]->_nodes[0]; const SMDS_MeshNode* tgtNode = _edges[i]->_nodes.back(); + const SMDS_MeshNode* scdNode = _edges[i]->_nodes[1]; SMDS_ElemIteratorPtr eIt = srcNode->GetInverseElementIterator(SMDSAbs_Edge); while ( eIt->more() ) { const SMDS_MeshElement* e = eIt->next(); - if ( !eSubMesh->Contains( e )) + if ( !eSubMesh->Contains( e ) || e->GetNodeIndex( scdNode ) >= 0 ) continue; SMDS_ElemIteratorPtr nIt = e->nodesIterator(); for ( int iN = 0; iN < e->NbNodes(); ++iN ) @@ -10625,21 +11100,22 @@ void _Shrinker1D::SwapSrcTgtNodes( SMESHDS_Mesh* mesh ) */ //================================================================================ -bool _ViscousBuilder::addBoundaryElements() +bool _ViscousBuilder::addBoundaryElements(_SolidData& data) { SMESH_MesherHelper helper( *_mesh ); vector< const SMDS_MeshNode* > faceNodes; - for ( size_t i = 0; i < _sdVec.size(); ++i ) + //for ( size_t i = 0; i < _sdVec.size(); ++i ) { - _SolidData& data = _sdVec[i]; + //_SolidData& data = _sdVec[i]; TopTools_IndexedMapOfShape geomEdges; TopExp::MapShapes( data._solid, TopAbs_EDGE, geomEdges ); for ( int iE = 1; iE <= geomEdges.Extent(); ++iE ) { const TopoDS_Edge& E = TopoDS::Edge( geomEdges(iE)); - if ( data._noShrinkShapes.count( getMeshDS()->ShapeToIndex( E ))) + const TGeomID edgeID = getMeshDS()->ShapeToIndex( E ); + if ( data._noShrinkShapes.count( edgeID )) continue; // Get _LayerEdge's based on E @@ -10688,10 +11164,9 @@ bool _ViscousBuilder::addBoundaryElements() // Find out orientation and type of face to create bool reverse = false, isOnFace; - - map< TGeomID, TopoDS_Shape >::iterator e2f = - data._shrinkShape2Shape.find( getMeshDS()->ShapeToIndex( E )); TopoDS_Shape F; + + map< TGeomID, TopoDS_Shape >::iterator e2f = data._shrinkShape2Shape.find( edgeID ); if (( isOnFace = ( e2f != data._shrinkShape2Shape.end() ))) { F = e2f->second.Oriented( TopAbs_FORWARD ); @@ -10701,17 +11176,12 @@ bool _ViscousBuilder::addBoundaryElements() if ( helper.IsReversedSubMesh( TopoDS::Face(F) )) reverse = !reverse; } - else + else if ( !data._ignoreFaceIds.count( e2f->first )) { // find FACE with layers sharing E - PShapeIteratorPtr fIt = helper.GetAncestors( E, *_mesh, TopAbs_FACE ); - while ( fIt->more() && F.IsNull() ) - { - const TopoDS_Shape* pF = fIt->next(); - if ( helper.IsSubShape( *pF, data._solid) && - !data._ignoreFaceIds.count( e2f->first )) - F = *pF; - } + PShapeIteratorPtr fIt = helper.GetAncestors( E, *_mesh, TopAbs_FACE, &data._solid ); + if ( fIt->more() ) + F = *( fIt->next() ); } // Find the sub-mesh to add new faces SMESHDS_SubMesh* sm = 0; @@ -10722,18 +11192,44 @@ bool _ViscousBuilder::addBoundaryElements() if ( !sm ) return error("error in addBoundaryElements()", data._index); + // Find a proxy sub-mesh of the FACE of an adjacent SOLID, which will use the new boundary + // faces for 3D meshing (PAL23414) + SMESHDS_SubMesh* adjSM = 0; + if ( isOnFace ) + { + const TGeomID faceID = sm->GetID(); + PShapeIteratorPtr soIt = helper.GetAncestors( F, *_mesh, TopAbs_SOLID ); + while ( const TopoDS_Shape* solid = soIt->next() ) + if ( !solid->IsSame( data._solid )) + { + size_t iData = _solids.FindIndex( *solid ) - 1; + if ( iData < _sdVec.size() && + _sdVec[ iData ]._ignoreFaceIds.count( faceID ) && + _sdVec[ iData ]._shrinkShape2Shape.count( edgeID ) == 0 ) + { + SMESH_ProxyMesh::SubMesh* proxySub = + _sdVec[ iData ]._proxyMesh->getFaceSubM( TopoDS::Face( F ), /*create=*/false); + if ( proxySub && proxySub->NbElements() > 0 ) + adjSM = proxySub; + } + } + } + // Make faces const int dj1 = reverse ? 0 : 1; const int dj2 = reverse ? 1 : 0; + vector< const SMDS_MeshElement*> ff; // new faces row + SMESHDS_Mesh* m = getMeshDS(); for ( size_t j = 1; j < ledges.size(); ++j ) { vector< const SMDS_MeshNode*>& nn1 = ledges[j-dj1]->_nodes; vector< const SMDS_MeshNode*>& nn2 = ledges[j-dj2]->_nodes; + ff.resize( std::max( nn1.size(), nn2.size() ), NULL ); if ( nn1.size() == nn2.size() ) { if ( isOnFace ) for ( size_t z = 1; z < nn1.size(); ++z ) - sm->AddElement( getMeshDS()->AddFace( nn1[z-1], nn2[z-1], nn2[z], nn1[z] )); + sm->AddElement( ff[z-1] = m->AddFace( nn1[z-1], nn2[z-1], nn2[z], nn1[z] )); else for ( size_t z = 1; z < nn1.size(); ++z ) sm->AddElement( new SMDS_FaceOfNodes( nn1[z-1], nn2[z-1], nn2[z], nn1[z] )); @@ -10742,7 +11238,7 @@ bool _ViscousBuilder::addBoundaryElements() { if ( isOnFace ) for ( size_t z = 1; z < nn2.size(); ++z ) - sm->AddElement( getMeshDS()->AddFace( nn1[0], nn2[z-1], nn2[z] )); + sm->AddElement( ff[z-1] = m->AddFace( nn1[0], nn2[z-1], nn2[z] )); else for ( size_t z = 1; z < nn2.size(); ++z ) sm->AddElement( new SMDS_FaceOfNodes( nn1[0], nn2[z-1], nn2[z] )); @@ -10751,11 +11247,19 @@ bool _ViscousBuilder::addBoundaryElements() { if ( isOnFace ) for ( size_t z = 1; z < nn1.size(); ++z ) - sm->AddElement( getMeshDS()->AddFace( nn1[z-1], nn2[0], nn1[z] )); + sm->AddElement( ff[z-1] = m->AddFace( nn1[z-1], nn2[0], nn1[z] )); else for ( size_t z = 1; z < nn1.size(); ++z ) sm->AddElement( new SMDS_FaceOfNodes( nn1[z-1], nn2[0], nn2[z] )); } + + if ( adjSM ) // add faces to a proxy SM of the adjacent SOLID + { + for ( size_t z = 0; z < ff.size(); ++z ) + if ( ff[ z ]) + adjSM->AddElement( ff[ z ]); + ff.clear(); + } } // Make edges @@ -10766,7 +11270,7 @@ bool _ViscousBuilder::addBoundaryElements() if ( eos && eos->SWOLType() == TopAbs_EDGE ) { vector< const SMDS_MeshNode*>& nn = edge->_nodes; - if ( nn.size() < 2 || nn[1]->GetInverseElementIterator( SMDSAbs_Edge )->more() ) + if ( nn.size() < 2 || nn[1]->NbInverseElements( SMDSAbs_Edge ) >= 2 ) continue; helper.SetSubShape( eos->_sWOL ); helper.SetElementsOnShape( true );