X-Git-Url: http://git.salome-platform.org/gitweb/?p=modules%2Fsmesh.git;a=blobdiff_plain;f=src%2FStdMeshers%2FStdMeshers_ViscousLayers.cxx;h=8212b0a8b4d4f407e847ce6376be88d99f9a0162;hp=a6530b9244a5782abe3a820e82075e2aab951077;hb=c150e1e4c40479c83b47cfb732f240c5df3b5d62;hpb=d1bb1f5d44a2566316419a238a615bc4a69e7028 diff --git a/src/StdMeshers/StdMeshers_ViscousLayers.cxx b/src/StdMeshers/StdMeshers_ViscousLayers.cxx index a6530b924..8212b0a8b 100644 --- a/src/StdMeshers/StdMeshers_ViscousLayers.cxx +++ b/src/StdMeshers/StdMeshers_ViscousLayers.cxx @@ -95,7 +95,7 @@ #include #ifdef _DEBUG_ -//#define __myDEBUG +#define __myDEBUG //#define __NOT_INVALIDATE_BAD_SMOOTH //#define __NODES_AT_POS #endif @@ -427,20 +427,21 @@ namespace VISCOUS_3D enum EFlags { TO_SMOOTH = 0x0000001, MOVED = 0x0000002, // set by _neibors[i]->SetNewLength() - SMOOTHED = 0x0000004, // set by this->Smooth() + SMOOTHED = 0x0000004, // set by _LayerEdge::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 + UPD_NORMAL_CONV = 0x0000100, // to update normal on boundary of concave FACE + MARKED = 0x0000200, // local usage + MULTI_NORMAL = 0x0000400, // a normal is invisible by some of surrounding faces + NEAR_BOUNDARY = 0x0000800, // is near FACE boundary forcing smooth + SMOOTHED_C1 = 0x0001000, // is on _eosC1 + DISTORTED = 0x0002000, // was bad before smoothing + RISKY_SWOL = 0x0004000, // SWOL is parallel to a source FACE + SHRUNK = 0x0008000, // target node reached a tgt position while shrink() + UNUSED_FLAG = 0x0100000 // to add user flags after }; bool Is ( int flag ) const { return _flags & flag; } void Set ( int flag ) { _flags |= flag; } @@ -497,7 +498,7 @@ namespace VISCOUS_3D const gp_XYZ& PrevPos() const { return _pos[ _pos.size() - 2 ]; } 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; + gp_XY LastUV( const TopoDS_Face& F, _EdgesOnShape& eos, int which=-1 ) const; bool IsOnEdge() const { return _2neibors; } gp_XYZ Copy( _LayerEdge& other, _EdgesOnShape& eos, SMESH_MesherHelper& helper ); void SetCosin( double cosin ); @@ -664,6 +665,8 @@ namespace VISCOUS_3D _SolidData* _data; // parent SOLID + _LayerEdge* operator[](size_t i) const { return (_LayerEdge*) _edges[i]; } + size_t size() const { return _edges.size(); } TopAbs_ShapeEnum ShapeType() const { return _shape.IsNull() ? TopAbs_SHAPE : _shape.ShapeType(); } TopAbs_ShapeEnum SWOLType() const @@ -678,7 +681,7 @@ namespace VISCOUS_3D //-------------------------------------------------------------------------------- /*! - * \brief Convex FACE whose radius of curvature is less than the thickness of + * \brief Convex FACE whose radius of curvature is less than the thickness of * layers. It is used to detect distortion of prisms based on a convex * FACE and to update normals to enable further increasing the thickness */ @@ -692,7 +695,14 @@ namespace VISCOUS_3D // map a sub-shape to _SolidData::_edgesOnShape map< TGeomID, _EdgesOnShape* > _subIdToEOS; + bool _isTooCurved; bool _normalsFixed; + bool _normalsFixedOnBorders; // used in putOnOffsetSurface() + + double GetMaxCurvature( _SolidData& data, + _EdgesOnShape& eof, + BRepLProp_SLProps& surfProp, + SMESH_MesherHelper& helper); bool GetCenterOfCurvature( _LayerEdge* ledge, BRepLProp_SLProps& surfProp, @@ -757,8 +767,6 @@ namespace VISCOUS_3D int _nbShapesToSmooth; - //map< TGeomID,Handle(Geom_Curve)> _edge2curve; - vector< _CollisionEdges > _collisionEdges; set< TGeomID > _concaveFaces; @@ -870,6 +878,7 @@ namespace VISCOUS_3D const gp_XY& uvToFix, const double refSign ); }; + struct PyDump; //-------------------------------------------------------------------------------- /*! * \brief Builder of viscous layers @@ -942,8 +951,11 @@ namespace VISCOUS_3D void makeOffsetSurface( _EdgesOnShape& eos, SMESH_MesherHelper& ); void putOnOffsetSurface( _EdgesOnShape& eos, int infStep, vector< _EdgesOnShape* >& eosC1, - int smooStep=0, bool moveAll=false ); + int smooStep=0, int moveAll=false ); void findCollisionEdges( _SolidData& data, SMESH_MesherHelper& helper ); + void findEdgesToUpdateNormalNearConvexFace( _ConvexFace & convFace, + _SolidData& data, + SMESH_MesherHelper& helper ); void limitMaxLenByCurvature( _SolidData& data, SMESH_MesherHelper& helper ); void limitMaxLenByCurvature( _LayerEdge* e1, _LayerEdge* e2, _EdgesOnShape& eos1, _EdgesOnShape& eos2, @@ -987,6 +999,7 @@ namespace VISCOUS_3D TopTools_MapOfShape _shrinkedFaces; int _tmpFaceID; + PyDump* _pyDump; }; //-------------------------------------------------------------------------------- /*! @@ -1034,6 +1047,7 @@ namespace VISCOUS_3D size_t _iSeg[2]; // index of segment where extreme tgt node is projected _EdgesOnShape& _eos; double _curveLen; // length of the EDGE + std::pair _eToSmooth[2]; // indices of _LayerEdge's in _eos static Handle(Geom_Curve) CurveForSmooth( const TopoDS_Edge& E, _EdgesOnShape& eos, @@ -1047,31 +1061,24 @@ namespace VISCOUS_3D bool Perform(_SolidData& data, Handle(ShapeAnalysis_Surface)& surface, const TopoDS_Face& F, - SMESH_MesherHelper& helper ) - { - if ( _leParams.empty() || ( !isAnalytic() && _offPoints.empty() )) - prepare( data ); + SMESH_MesherHelper& helper ); - if ( isAnalytic() ) - return smoothAnalyticEdge( data, surface, F, helper ); - else - return smoothComplexEdge ( data, surface, F, helper ); - } void prepare(_SolidData& data ); + void findEdgesToSmooth(); + + bool isToSmooth( int iE ); + bool smoothAnalyticEdge( _SolidData& data, Handle(ShapeAnalysis_Surface)& surface, const TopoDS_Face& F, SMESH_MesherHelper& helper); - bool smoothComplexEdge( _SolidData& data, Handle(ShapeAnalysis_Surface)& surface, const TopoDS_Face& F, SMESH_MesherHelper& helper); - gp_XYZ getNormalNormal( const gp_XYZ & normal, const gp_XYZ& edgeDir); - _LayerEdge* getLEdgeOnV( bool is2nd ) { return _eos._edges[ is2nd ? _eos._edges.size()-1 : 0 ]->_2neibors->_edges[ is2nd ]; @@ -1663,14 +1670,15 @@ namespace VISCOUS_3D // HOWTO use: run python commands written in a console to see // construction steps of viscous layers #ifdef __myDEBUG - ofstream* py; - int theNbPyFunc; - struct PyDump { + ostream* py; + int theNbPyFunc; + struct PyDump + { PyDump(SMESH_Mesh& m) { int tag = 3 + m.GetId(); const char* fname = "/tmp/viscous.py"; cout << "execfile('"< ostream & operator<<( const T &anything ) { return *this ; } + }; + void Pause() { py = &_mystream; } + void Resume() { py = _pyStream; } + MyStream _mystream; + ostream* _pyStream; }; #define dumpFunction(f) { _dumpFunction(f, __LINE__);} #define dumpMove(n) { _dumpMove(n, __LINE__);} @@ -1710,7 +1726,7 @@ namespace VISCOUS_3D #else - struct PyDump { PyDump(SMESH_Mesh&) {} void Finish() {} }; + struct PyDump { PyDump(SMESH_Mesh&) {} void Finish() {} void Pause() {} void Resume() {} }; #define dumpFunction(f) f #define dumpMove(n) #define dumpMoveComm(n,txt) @@ -1852,6 +1868,7 @@ SMESH_ComputeErrorPtr _ViscousBuilder::Compute(SMESH_Mesh& theMesh, return SMESH_ComputeErrorPtr(); // everything already computed PyDump debugDump( theMesh ); + _pyDump = &debugDump; // TODO: ignore already computed SOLIDs if ( !findSolidsWithLayers()) @@ -2777,8 +2794,6 @@ void _ViscousBuilder::limitStepSizeByCurvature( _SolidData& data ) { SMESH_MesherHelper helper( *_mesh ); - const int nbTestPnt = 5; // on a FACE sub-shape - BRepLProp_SLProps surfProp( 2, 1e-6 ); data._convexFaces.clear(); @@ -2790,58 +2805,27 @@ void _ViscousBuilder::limitStepSizeByCurvature( _SolidData& data ) continue; TopoDS_Face F = TopoDS::Face( eof._shape ); - SMESH_subMesh * sm = eof._subMesh; const TGeomID faceID = eof._shapeID; BRepAdaptor_Surface surface( F, false ); surfProp.SetSurface( surface ); - bool isTooCurved = false; - _ConvexFace cnvFace; - const double oriFactor = ( F.Orientation() == TopAbs_REVERSED ? +1. : -1. ); - SMESH_subMeshIteratorPtr smIt = sm->getDependsOnIterator(/*includeSelf=*/true); - while ( smIt->more() ) - { - sm = smIt->next(); - const TGeomID subID = sm->GetId(); - // find _LayerEdge's of a sub-shape - _EdgesOnShape* eos; - if (( eos = data.GetShapeEdges( subID ))) - cnvFace._subIdToEOS.insert( make_pair( subID, eos )); - else - continue; - // check concavity and curvature and limit data._stepSize - const double minCurvature = - 1. / ( eos->_hyp.GetTotalThickness() * ( 1 + theThickToIntersection )); - size_t iStep = Max( 1, eos->_edges.size() / nbTestPnt ); - for ( size_t i = 0; i < eos->_edges.size(); i += iStep ) - { - gp_XY uv = helper.GetNodeUV( F, eos->_edges[ i ]->_nodes[0] ); - surfProp.SetParameters( uv.X(), uv.Y() ); - if ( !surfProp.IsCurvatureDefined() ) - continue; - if ( surfProp.MaxCurvature() * oriFactor > minCurvature ) - { - limitStepSize( data, 0.9 / surfProp.MaxCurvature() * oriFactor ); - isTooCurved = true; - } - if ( surfProp.MinCurvature() * oriFactor > minCurvature ) - { - limitStepSize( data, 0.9 / surfProp.MinCurvature() * oriFactor ); - isTooCurved = true; - } - } - } // loop on sub-shapes of the FACE + cnvFace._face = F; + cnvFace._normalsFixed = false; + cnvFace._isTooCurved = false; - if ( !isTooCurved ) continue; + double maxCurvature = cnvFace.GetMaxCurvature( data, eof, surfProp, helper ); + if ( maxCurvature > 0 ) + { + limitStepSize( data, 0.9 / maxCurvature ); + findEdgesToUpdateNormalNearConvexFace( cnvFace, data, helper ); + } + if ( !cnvFace._isTooCurved ) continue; _ConvexFace & convFace = data._convexFaces.insert( make_pair( faceID, cnvFace )).first->second; - convFace._face = F; - convFace._normalsFixed = false; - // skip a closed surface (data._convexFaces is useful anyway) bool isClosedF = false; helper.SetSubShape( F ); @@ -2854,6 +2838,7 @@ void _ViscousBuilder::limitStepSizeByCurvature( _SolidData& data ) if ( isClosedF ) { // limit _LayerEdge::_maxLen on the FACE + const double oriFactor = ( F.Orientation() == TopAbs_REVERSED ? +1. : -1. ); const double minCurvature = 1. / ( eof._hyp.GetTotalThickness() * ( 1 + theThickToIntersection )); map< TGeomID, _EdgesOnShape* >::iterator id2eos = cnvFace._subIdToEOS.find( faceID ); @@ -2865,14 +2850,13 @@ void _ViscousBuilder::limitStepSizeByCurvature( _SolidData& data ) _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 ); + if ( surfProp.IsCurvatureDefined() ) + { + double curvature = Max( surfProp.MaxCurvature() * oriFactor, + surfProp.MinCurvature() * oriFactor ); + if ( curvature > minCurvature ) + ledge->_maxLen = Min( ledge->_maxLen, 1. / curvature ); + } } } continue; @@ -3049,8 +3033,8 @@ bool _ViscousBuilder::findShapesToSmooth( _SolidData& data ) { eos._edgeSmoother = new _Smoother1D( curve, eos ); - for ( size_t i = 0; i < eos._edges.size(); ++i ) - eos._edges[i]->Set( _LayerEdge::TO_SMOOTH ); + // for ( size_t i = 0; i < eos._edges.size(); ++i ) + // eos._edges[i]->Set( _LayerEdge::TO_SMOOTH ); } } } @@ -3429,11 +3413,12 @@ bool _ViscousBuilder::setEdgeData(_LayerEdge& edge, } // find _normal + bool fromVonF = false; if ( useGeometry ) { - bool fromVonF = ( eos.ShapeType() == TopAbs_VERTEX && - eos.SWOLType() == TopAbs_FACE && - totalNbFaces > 1 ); + fromVonF = ( eos.ShapeType() == TopAbs_VERTEX && + eos.SWOLType() == TopAbs_FACE && + totalNbFaces > 1 ); if ( onShrinkShape && !fromVonF ) // one of faces the node is on has no layers { @@ -3535,14 +3520,19 @@ bool _ViscousBuilder::setEdgeData(_LayerEdge& edge, break; } case TopAbs_VERTEX: { - //if ( eos.SWOLType() != TopAbs_FACE ) // else _cosin is set by getFaceDir() + if ( fromVonF ) + { + getFaceDir( TopoDS::Face( eos._sWOL ), TopoDS::Vertex( eos._shape ), + node, helper, normOK, &edge._cosin ); + } + else 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] edge._cosin = Cos( angle ); if ( totalNbFaces > 2 || helper.IsSeamShape( node->getshapeId() )) - for ( int iF = totalNbFaces-2; iF >=0; --iF ) + for ( int iF = 1; iF < totalNbFaces; ++iF ) { F = face2Norm[ iF ].first; inFaceDir = getFaceDir( F, V, node, helper, normOK=true ); @@ -4428,11 +4418,14 @@ bool _ViscousBuilder::inflate(_SolidData& data) data._epsilon = data._stepSize * 1e-7; debugMsg( "-- geomSize = " << data._geomSize << ", stepSize = " << data._stepSize ); + _pyDump->Pause(); findCollisionEdges( data, helper ); limitMaxLenByCurvature( data, helper ); + _pyDump->Resume(); + // 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 && @@ -4959,7 +4952,7 @@ bool _ViscousBuilder::smoothAndCheck(_SolidData& data, // ignore intersection of a _LayerEdge based on a _ConvexFace with a face // lying on this _ConvexFace if ( _ConvexFace* convFace = data.GetConvexFace( intFace->getshapeId() )) - if ( convFace->_subIdToEOS.count ( eos._shapeID )) + if ( convFace->_isTooCurved && convFace->_subIdToEOS.count ( eos._shapeID )) continue; // ignore intersection of a _LayerEdge based on a FACE with an element on this FACE @@ -4971,15 +4964,16 @@ bool _ViscousBuilder::smoothAndCheck(_SolidData& data, if ( dist > 0 ) { bool toIgnore = false; - if ( eos._edges[i]->Is( _LayerEdge::TO_SMOOTH )) + if ( eos._toSmooth ) { const TopoDS_Shape& S = getMeshDS()->IndexToShape( intFace->getshapeId() ); if ( !S.IsNull() && S.ShapeType() == TopAbs_FACE ) { - TopExp_Explorer edge( eos._shape, TopAbs_EDGE ); - for ( ; !toIgnore && edge.More(); edge.Next() ) - // is adjacent - has a common EDGE - toIgnore = ( helper.IsSubShape( edge.Current(), S )); + TopExp_Explorer sub( eos._shape, + eos.ShapeType() == TopAbs_FACE ? TopAbs_EDGE : TopAbs_VERTEX ); + for ( ; !toIgnore && sub.More(); sub.Next() ) + // is adjacent - has a common EDGE or VERTEX + toIgnore = ( helper.IsSubShape( sub.Current(), S )); if ( toIgnore ) // check angle between normals { @@ -5264,7 +5258,7 @@ void _ViscousBuilder::putOnOffsetSurface( _EdgesOnShape& eos, int infStep, vector< _EdgesOnShape* >& eosC1, int smooStep, - bool moveAll ) + int moveAll ) { _EdgesOnShape * eof = & eos; if ( eos.ShapeType() != TopAbs_FACE ) // eos is a boundary of C1 FACE, look for the FACE eos @@ -5295,8 +5289,13 @@ void _ViscousBuilder::putOnOffsetSurface( _EdgesOnShape& eos, edge->Unset( _LayerEdge::MARKED ); if ( edge->Is( _LayerEdge::BLOCKED ) || !edge->_curvature ) continue; - if ( !moveAll && !edge->Is( _LayerEdge::MOVED )) + if ( moveAll == _LayerEdge::UPD_NORMAL_CONV ) + { + if ( !edge->Is( _LayerEdge::UPD_NORMAL_CONV )) continue; + } + else if ( !moveAll && !edge->Is( _LayerEdge::MOVED )) + continue; int nbBlockedAround = 0; for ( size_t iN = 0; iN < edge->_neibors.size(); ++iN ) @@ -5306,7 +5305,7 @@ void _ViscousBuilder::putOnOffsetSurface( _EdgesOnShape& eos, gp_Pnt tgtP = SMESH_TNodeXYZ( edge->_nodes.back() ); gp_Pnt2d uv = eof->_offsetSurf->NextValueOfUV( edge->_curvature->_uv, tgtP, preci ); - if ( eof->_offsetSurf->Gap() > edge->_len ) continue; // NextValueOfUV() bug + if ( eof->_offsetSurf->Gap() > edge->_len ) continue; // NextValueOfUV() bug edge->_curvature->_uv = uv; if ( eof->_offsetSurf->Gap() < 10 * preci ) continue; // same pos @@ -5325,9 +5324,15 @@ void _ViscousBuilder::putOnOffsetSurface( _EdgesOnShape& eos, edge->_pos.back() = newP; edge->Set( _LayerEdge::MARKED ); + if ( moveAll == _LayerEdge::UPD_NORMAL_CONV ) + { + edge->_normal = ( newP - prevP ).Normalized(); + } } } + + #ifdef _DEBUG_ // dumpMove() for debug size_t i = 0; @@ -5336,7 +5341,7 @@ void _ViscousBuilder::putOnOffsetSurface( _EdgesOnShape& eos, break; if ( i < eos._edges.size() ) { - dumpFunction(SMESH_Comment("putOnOffsetSurface_F") << eos._shapeID + dumpFunction(SMESH_Comment("putOnOffsetSurface_S") << eos._shapeID << "_InfStep" << infStep << "_" << smooStep ); for ( ; i < eos._edges.size(); ++i ) { @@ -5346,6 +5351,26 @@ void _ViscousBuilder::putOnOffsetSurface( _EdgesOnShape& eos, dumpFunctionEnd(); } #endif + + _ConvexFace* cnvFace; + if ( moveAll != _LayerEdge::UPD_NORMAL_CONV && + eos.ShapeType() == TopAbs_FACE && + (cnvFace = eos.GetData().GetConvexFace( eos._shapeID )) && + !cnvFace->_normalsFixedOnBorders ) + { + // put on the surface nodes built on FACE boundaries + SMESH_subMeshIteratorPtr smIt = eos._subMesh->getDependsOnIterator(/*includeSelf=*/false); + while ( smIt->more() ) + { + SMESH_subMesh* sm = smIt->next(); + _EdgesOnShape* subEOS = eos.GetData().GetShapeEdges( sm->GetId() ); + if ( !subEOS->_sWOL.IsNull() ) continue; + if ( std::find( eosC1.begin(), eosC1.end(), subEOS ) != eosC1.end() ) continue; + + putOnOffsetSurface( *subEOS, infStep, eosC1, smooStep, _LayerEdge::UPD_NORMAL_CONV ); + } + cnvFace->_normalsFixedOnBorders = true; + } } //================================================================================ @@ -5443,6 +5468,106 @@ Handle(Geom_Curve) _Smoother1D::CurveForSmooth( const TopoDS_Edge& E, return Handle(Geom_Curve)(); } +//================================================================================ +/*! + * \brief Smooth edges on EDGE + */ +//================================================================================ + +bool _Smoother1D::Perform(_SolidData& data, + Handle(ShapeAnalysis_Surface)& surface, + const TopoDS_Face& F, + SMESH_MesherHelper& helper ) +{ + if ( _leParams.empty() || ( !isAnalytic() && _offPoints.empty() )) + prepare( data ); + + findEdgesToSmooth(); + if ( isAnalytic() ) + return smoothAnalyticEdge( data, surface, F, helper ); + else + return smoothComplexEdge ( data, surface, F, helper ); +} + +//================================================================================ +/*! + * \brief Find edges to smooth + */ +//================================================================================ + +void _Smoother1D::findEdgesToSmooth() +{ + _LayerEdge* leOnV[2] = { getLEdgeOnV(0), getLEdgeOnV(1) }; + for ( int iEnd = 0; iEnd < 2; ++iEnd ) + if ( leOnV[iEnd]->Is( _LayerEdge::NORMAL_UPDATED )) + _leOnV[iEnd]._cosin = Abs( _edgeDir[iEnd].Normalized() * leOnV[iEnd]->_normal ); + + _eToSmooth[0].first = _eToSmooth[0].second = 0; + + for ( size_t i = 0; i < _eos.size(); ++i ) + { + if ( !_eos[i]->Is( _LayerEdge::TO_SMOOTH )) + { + if ( needSmoothing( _leOnV[0]._cosin, _eos[i]->_len, _curveLen * _leParams[i] ) || + isToSmooth( i )) + _eos[i]->Set( _LayerEdge::TO_SMOOTH ); + else + break; + } + _eToSmooth[0].second = i+1; + } + + _eToSmooth[1].first = _eToSmooth[1].second = _eos.size(); + + for ( int i = _eos.size() - 1; i >= _eToSmooth[0].second; --i ) + { + if ( !_eos[i]->Is( _LayerEdge::TO_SMOOTH )) + { + if ( needSmoothing( _leOnV[1]._cosin, _eos[i]->_len, _curveLen * ( 1.-_leParams[i] )) || + isToSmooth( i )) + _eos[i]->Set( _LayerEdge::TO_SMOOTH ); + else + break; + } + _eToSmooth[1].first = i; + } +} + +//================================================================================ +/*! + * \brief Check if iE-th _LayerEdge needs smoothing + */ +//================================================================================ + +bool _Smoother1D::isToSmooth( int iE ) +{ + SMESH_NodeXYZ pi( _eos[iE]->_nodes[0] ); + SMESH_NodeXYZ p0( _eos[iE]->_2neibors->srcNode(0) ); + SMESH_NodeXYZ p1( _eos[iE]->_2neibors->srcNode(1) ); + gp_XYZ seg0 = pi - p0; + gp_XYZ seg1 = p1 - pi; + gp_XYZ tangent = seg0 + seg1; + double tangentLen = tangent.Modulus(); + double segMinLen = Min( seg0.Modulus(), seg1.Modulus() ); + if ( tangentLen < std::numeric_limits::min() ) + return false; + tangent /= tangentLen; + + for ( size_t i = 0; i < _eos[iE]->_neibors.size(); ++i ) + { + _LayerEdge* ne = _eos[iE]->_neibors[i]; + if ( !ne->Is( _LayerEdge::TO_SMOOTH ) || + ne->_nodes.size() < 2 || + ne->_nodes[0]->GetPosition()->GetDim() != 2 ) + continue; + gp_XYZ edgeVec = SMESH_NodeXYZ( ne->_nodes.back() ) - SMESH_NodeXYZ( ne->_nodes[0] ); + double proj = edgeVec * tangent; + if ( needSmoothing( 1., proj, segMinLen )) + return true; + } + return false; +} + //================================================================================ /*! * \brief smooth _LayerEdge's on a staight EDGE or circular EDGE @@ -5456,80 +5581,100 @@ bool _Smoother1D::smoothAnalyticEdge( _SolidData& data, { if ( !isAnalytic() ) return false; - const size_t iFrom = 0, iTo = _eos._edges.size(); + size_t iFrom = 0, iTo = _eos._edges.size(); if ( _anaCurve->IsKind( STANDARD_TYPE( Geom_Line ))) { if ( F.IsNull() ) // 3D { - SMESH_TNodeXYZ p0 ( _eos._edges[iFrom]->_2neibors->tgtNode(0) ); - 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, 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 ( shiftOnly || edge->Is( _LayerEdge::NORMAL_UPDATED )) - { - gp_XYZ curPos = SMESH_TNodeXYZ ( tgtNode ); - double shift = ( lineDir * ( newPos - pSrc0 ) - - lineDir * ( curPos - pSrc0 )); - newPos = curPos + lineDir * shift / lineDir.SquareModulus(); - } - if ( edge->Is( _LayerEdge::BLOCKED )) + //const gp_XYZ lineDir = pSrc1 - pSrc0; + //_LayerEdge* vLE0 = getLEdgeOnV( 0 ); + //_LayerEdge* vLE1 = getLEdgeOnV( 1 ); + // bool shiftOnly = ( vLE0->Is( _LayerEdge::NORMAL_UPDATED ) || + // vLE0->Is( _LayerEdge::BLOCKED ) || + // vLE1->Is( _LayerEdge::NORMAL_UPDATED ) || + // vLE1->Is( _LayerEdge::BLOCKED )); + for ( int iEnd = 0; iEnd < 2; ++iEnd ) + { + iFrom = _eToSmooth[ iEnd ].first, iTo = _eToSmooth[ iEnd ].second; + if ( iFrom >= iTo ) continue; + SMESH_TNodeXYZ p0( _eos[iFrom]->_2neibors->tgtNode(0) ); + SMESH_TNodeXYZ p1( _eos[iTo-1]->_2neibors->tgtNode(1) ); + double param0 = ( iFrom == 0 ) ? 0. : _leParams[ iFrom-1 ]; + double param1 = _leParams[ iTo ]; + for ( size_t i = iFrom; i < iTo; ++i ) { - SMESH_TNodeXYZ pSrc( edge->_nodes[0] ); - double curThick = pSrc.SquareDistance( tgtNode ); - double newThink = ( pSrc - newPos ).SquareModulus(); - if ( newThink > curThick ) - continue; + _LayerEdge* edge = _eos[i]; + SMDS_MeshNode* tgtNode = const_cast( edge->_nodes.back() ); + double param = ( _leParams[i] - param0 ) / ( param1 - param0 ); + gp_XYZ newPos = p0 * ( 1. - param ) + p1 * param; + + // if ( shiftOnly || edge->Is( _LayerEdge::NORMAL_UPDATED )) + // { + // gp_XYZ curPos = SMESH_TNodeXYZ ( tgtNode ); + // double shift = ( lineDir * ( newPos - pSrc0 ) - + // lineDir * ( curPos - pSrc0 )); + // newPos = curPos + lineDir * shift / lineDir.SquareModulus(); + // } + if ( edge->Is( _LayerEdge::BLOCKED )) + { + SMESH_TNodeXYZ pSrc( edge->_nodes[0] ); + double curThick = pSrc.SquareDistance( tgtNode ); + double newThink = ( pSrc - newPos ).SquareModulus(); + if ( newThink > curThick ) + continue; + } + edge->_pos.back() = newPos; + tgtNode->setXYZ( newPos.X(), newPos.Y(), newPos.Z() ); + dumpMove( tgtNode ); } - edge->_pos.back() = newPos; - tgtNode->setXYZ( newPos.X(), newPos.Y(), newPos.Z() ); - dumpMove( tgtNode ); } } else // 2D { - _LayerEdge* e0 = getLEdgeOnV( 0 ); - _LayerEdge* e1 = getLEdgeOnV( 1 ); - gp_XY uv0 = e0->LastUV( F, *data.GetShapeEdges( e0 )); - gp_XY uv1 = e1->LastUV( F, *data.GetShapeEdges( e1 )); - if ( e0->_nodes.back() == e1->_nodes.back() ) // closed edge + _LayerEdge* eV0 = getLEdgeOnV( 0 ); + _LayerEdge* eV1 = getLEdgeOnV( 1 ); + gp_XY uvV0 = eV0->LastUV( F, *data.GetShapeEdges( eV0 )); + gp_XY uvV1 = eV1->LastUV( F, *data.GetShapeEdges( eV1 )); + if ( eV0->_nodes.back() == eV1->_nodes.back() ) // closed edge { int iPeriodic = helper.GetPeriodicIndex(); if ( iPeriodic == 1 || iPeriodic == 2 ) { - uv1.SetCoord( iPeriodic, helper.GetOtherParam( uv1.Coord( iPeriodic ))); - if ( uv0.Coord( iPeriodic ) > uv1.Coord( iPeriodic )) - std::swap( uv0, uv1 ); + uvV1.SetCoord( iPeriodic, helper.GetOtherParam( uvV1.Coord( iPeriodic ))); + if ( uvV0.Coord( iPeriodic ) > uvV1.Coord( iPeriodic )) + std::swap( uvV0, uvV1 ); } } - const gp_XY rangeUV = uv1 - uv0; - for ( size_t i = iFrom; i < iTo; ++i ) - { - if ( _eos._edges[i]->Is( _LayerEdge::BLOCKED )) continue; - gp_XY newUV = uv0 + _leParams[i] * rangeUV; - _eos._edges[i]->_pos.back().SetCoord( newUV.X(), newUV.Y(), 0 ); - - gp_Pnt newPos = surface->Value( newUV.X(), newUV.Y() ); - SMDS_MeshNode* tgtNode = const_cast( _eos._edges[i]->_nodes.back() ); - tgtNode->setXYZ( newPos.X(), newPos.Y(), newPos.Z() ); - dumpMove( tgtNode ); + for ( int iEnd = 0; iEnd < 2; ++iEnd ) + { + iFrom = _eToSmooth[ iEnd ].first, iTo = _eToSmooth[ iEnd ].second; + if ( iFrom >= iTo ) continue; + _LayerEdge* e0 = _eos[iFrom]->_2neibors->_edges[0]; + _LayerEdge* e1 = _eos[iTo-1]->_2neibors->_edges[1]; + gp_XY uv0 = ( e0 == eV0 ) ? uvV0 : e0->LastUV( F, _eos ); + gp_XY uv1 = ( e1 == eV1 ) ? uvV1 : e1->LastUV( F, _eos ); + double param0 = ( iFrom == 0 ) ? 0. : _leParams[ iFrom-1 ]; + double param1 = _leParams[ iTo ]; + const gp_XY rangeUV = uv1 - uv0; + for ( size_t i = iFrom; i < iTo; ++i ) + { + if ( _eos[i]->Is( _LayerEdge::BLOCKED )) continue; + double param = ( _leParams[i] - param0 ) / ( param1 - param0 ); + gp_XY newUV = uv0 + param * rangeUV; + _eos[i]->_pos.back().SetCoord( newUV.X(), newUV.Y(), 0 ); + + gp_Pnt newPos = surface->Value( newUV.X(), newUV.Y() ); + SMDS_MeshNode* tgtNode = const_cast( _eos[i]->_nodes.back() ); + tgtNode->setXYZ( newPos.X(), newPos.Y(), newPos.Z() ); + dumpMove( tgtNode ); - SMDS_FacePosition* pos = static_cast( tgtNode->GetPosition() ); - pos->SetUParameter( newUV.X() ); - pos->SetVParameter( newUV.Y() ); + SMDS_FacePosition* pos = static_cast( tgtNode->GetPosition() ); + pos->SetUParameter( newUV.X() ); + pos->SetVParameter( newUV.Y() ); + } } } return true; @@ -5568,9 +5713,10 @@ bool _Smoother1D::smoothAnalyticEdge( _SolidData& data, if ( uLast < 0 ) uLast += 2 * M_PI; - for ( size_t i = iFrom; i < iTo; ++i ) + for ( size_t i = 0; i < _eos.size(); ++i ) { - if ( _eos._edges[i]->Is( _LayerEdge::BLOCKED )) continue; + if ( _eos[i]->Is( _LayerEdge::BLOCKED )) continue; + //if ( !_eos[i]->Is( _LayerEdge::TO_SMOOTH )) continue; double u = uLast * _leParams[i]; gp_Pnt p = ElCLib::Value( u, newCirc ); _eos._edges[i]->_pos.back() = p.XYZ(); @@ -5602,9 +5748,10 @@ bool _Smoother1D::smoothAnalyticEdge( _SolidData& data, gp_Ax2d axis( center, vec0 ); gp_Circ2d circ( axis, radius ); - for ( size_t i = iFrom; i < iTo; ++i ) + for ( size_t i = 0; i < _eos.size(); ++i ) { - if ( _eos._edges[i]->Is( _LayerEdge::BLOCKED )) continue; + if ( _eos[i]->Is( _LayerEdge::BLOCKED )) continue; + //if ( !_eos[i]->Is( _LayerEdge::TO_SMOOTH )) continue; double newU = uLast * _leParams[i]; gp_Pnt2d newUV = ElCLib::Value( newU, circ ); _eos._edges[i]->_pos.back().SetCoord( newUV.X(), newUV.Y(), 0 ); @@ -5639,7 +5786,9 @@ bool _Smoother1D::smoothComplexEdge( _SolidData& data, if ( _offPoints.empty() ) return false; + // ---------------------------------------------- // move _offPoints along normals of _LayerEdge's + // ---------------------------------------------- _LayerEdge* e[2] = { getLEdgeOnV(0), getLEdgeOnV(1) }; if ( e[0]->Is( _LayerEdge::NORMAL_UPDATED )) @@ -5683,7 +5832,9 @@ 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; @@ -5747,7 +5898,9 @@ bool _Smoother1D::smoothComplexEdge( _SolidData& data, 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 ); @@ -5771,12 +5924,15 @@ bool _Smoother1D::smoothComplexEdge( _SolidData& data, _offPoints[ _iSeg[0] ]._xyz = pExtreme[0].XYZ(); _offPoints[ _iSeg[1]+ 1]._xyz = pExtreme[1].XYZ(); + // ------------------------------------------------------------- // distribute tgt nodes of _LayerEdge's between the projections + // ------------------------------------------------------------- iSeg = 0; - for ( size_t i = 0; i < _eos._edges.size(); ++i ) + for ( size_t i = 0; i < _eos.size(); ++i ) { - if ( _eos._edges[i]->Is( _LayerEdge::BLOCKED )) continue; + if ( _eos[i]->Is( _LayerEdge::BLOCKED )) continue; + //if ( !_eos[i]->Is( _LayerEdge::TO_SMOOTH )) continue; while ( iSeg+2 < len.size() && _leParams[i] > len[ iSeg+1 ] ) iSeg++; double r = ( _leParams[i] - len[ iSeg ]) / ( len[ iSeg+1 ] - len[ iSeg ]); @@ -5785,17 +5941,17 @@ bool _Smoother1D::smoothComplexEdge( _SolidData& data, if ( surface.IsNull() ) { - _eos._edges[i]->_pos.back() = p; + _eos[i]->_pos.back() = p; } else // project a new node position to a FACE { - gp_Pnt2d uv ( _eos._edges[i]->_pos.back().X(), _eos._edges[i]->_pos.back().Y() ); + gp_Pnt2d uv ( _eos[i]->_pos.back().X(), _eos[i]->_pos.back().Y() ); gp_Pnt2d uv2( surface->NextValueOfUV( uv, p, fTol )); p = surface->Value( uv2 ).XYZ(); - _eos._edges[i]->_pos.back().SetCoord( uv2.X(), uv2.Y(), 0 ); + _eos[i]->_pos.back().SetCoord( uv2.X(), uv2.Y(), 0 ); } - SMDS_MeshNode* tgtNode = const_cast( _eos._edges[i]->_nodes.back() ); + SMDS_MeshNode* tgtNode = const_cast( _eos[i]->_nodes.back() ); tgtNode->setXYZ( p.X(), p.Y(), p.Z() ); dumpMove( tgtNode ); } @@ -5836,8 +5992,20 @@ void _Smoother1D::prepare(_SolidData& data) 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; + _leParams.back() = 1.; } + _LayerEdge* leOnV[2] = { getLEdgeOnV(0), getLEdgeOnV(1) }; + + // get cosin to use in findEdgesToSmooth() + _edgeDir[0] = getEdgeDir( E, leOnV[0]->_nodes[0], data.GetHelper() ); + _edgeDir[1] = getEdgeDir( E, leOnV[1]->_nodes[0], data.GetHelper() ); + _leOnV[0]._cosin = Abs( leOnV[0]->_cosin ); + _leOnV[1]._cosin = Abs( leOnV[1]->_cosin ); + if ( _eos._sWOL.IsNull() ) // 3D + for ( int iEnd = 0; iEnd < 2; ++iEnd ) + _leOnV[iEnd]._cosin = Abs( _edgeDir[iEnd].Normalized() * leOnV[iEnd]->_normal ); + if ( isAnalytic() ) return; @@ -5864,8 +6032,6 @@ void _Smoother1D::prepare(_SolidData& data) _offPoints[i]._param = GCPnts_AbscissaPoint::Length( c3dAdaptor, u0, u ) / _curveLen; } - _LayerEdge* leOnV[2] = { getLEdgeOnV(0), getLEdgeOnV(1) }; - // set _2edges _offPoints [0]._2edges.set( &_leOnV[0], &_leOnV[0], 0.5, 0.5 ); _offPoints.back()._2edges.set( &_leOnV[1], &_leOnV[1], 0.5, 0.5 ); @@ -5903,9 +6069,6 @@ void _Smoother1D::prepare(_SolidData& data) int iLBO = _offPoints.size() - 2; // last but one - _edgeDir[0] = getEdgeDir( E, leOnV[0]->_nodes[0], data.GetHelper() ); - _edgeDir[1] = getEdgeDir( E, leOnV[1]->_nodes[0], data.GetHelper() ); - _leOnV[ 0 ]._normal = getNormalNormal( leOnV[0]->_normal, _edgeDir[0] ); _leOnV[ 1 ]._normal = getNormalNormal( leOnV[1]->_normal, _edgeDir[1] ); _leOnV[ 0 ]._len = 0; @@ -6490,6 +6653,80 @@ void _ViscousBuilder::findCollisionEdges( _SolidData& data, SMESH_MesherHelper& } } +//================================================================================ +/*! + * \brief Find _LayerEdge's located on boundary of a convex FACE whose normal + * will be updated at each inflation step + */ +//================================================================================ + +void _ViscousBuilder::findEdgesToUpdateNormalNearConvexFace( _ConvexFace & convFace, + _SolidData& data, + SMESH_MesherHelper& helper ) +{ + const TGeomID convFaceID = getMeshDS()->ShapeToIndex( convFace._face ); + const double preci = BRep_Tool::Tolerance( convFace._face ); + Handle(ShapeAnalysis_Surface) surface = helper.GetSurface( convFace._face ); + + bool edgesToUpdateFound = false; + + map< TGeomID, _EdgesOnShape* >::iterator id2eos = convFace._subIdToEOS.begin(); + for ( ; id2eos != convFace._subIdToEOS.end(); ++id2eos ) + { + _EdgesOnShape& eos = * id2eos->second; + if ( !eos._sWOL.IsNull() ) continue; + if ( !eos._hyp.ToSmooth() ) continue; + for ( size_t i = 0; i < eos._edges.size(); ++i ) + { + _LayerEdge* ledge = eos._edges[ i ]; + if ( ledge->Is( _LayerEdge::UPD_NORMAL_CONV )) continue; // already checked + if ( ledge->Is( _LayerEdge::MULTI_NORMAL )) continue; // not inflatable + + gp_XYZ tgtPos = ( SMESH_NodeXYZ( ledge->_nodes[0] ) + + ledge->_normal * ledge->_lenFactor * ledge->_maxLen ); + + // the normal must be updated if distance from tgtPos to surface is less than + // target thickness + + // find an initial UV for search of a projection of tgtPos to surface + const SMDS_MeshNode* nodeInFace = 0; + SMDS_ElemIteratorPtr fIt = ledge->_nodes[0]->GetInverseElementIterator(SMDSAbs_Face); + while ( fIt->more() && !nodeInFace ) + { + const SMDS_MeshElement* f = fIt->next(); + if ( convFaceID != f->getshapeId() ) continue; + + SMDS_ElemIteratorPtr nIt = f->nodesIterator(); + while ( nIt->more() && !nodeInFace ) + { + const SMDS_MeshElement* n = nIt->next(); + if ( n->getshapeId() == convFaceID ) + nodeInFace = static_cast< const SMDS_MeshNode* >( n ); + } + } + if ( !nodeInFace ) + continue; + gp_XY uv = helper.GetNodeUV( convFace._face, nodeInFace ); + + // projection + surface->NextValueOfUV( uv, tgtPos, preci ); + double dist = surface->Gap(); + if ( dist < 0.95 * ledge->_maxLen ) + { + ledge->Set( _LayerEdge::UPD_NORMAL_CONV ); + if ( !ledge->_curvature ) ledge->_curvature = new _Curvature; + ledge->_curvature->_uv.SetCoord( uv.X(), uv.Y() ); + edgesToUpdateFound = true; + } + } + } + + if ( !convFace._isTooCurved && edgesToUpdateFound ) + { + data._convexFaces.insert( make_pair( convFaceID, convFace )).first->second; + } +} + //================================================================================ /*! * \brief Modify normals of _LayerEdge's on EDGE's to avoid intersection with @@ -6942,6 +7179,8 @@ bool _ViscousBuilder::updateNormalsOfConvexFaces( _SolidData& data, for ( ; id2face != data._convexFaces.end(); ++id2face ) { _ConvexFace & convFace = (*id2face).second; + convFace._normalsFixedOnBorders = false; // to update at each inflation step + if ( convFace._normalsFixed ) continue; // already fixed if ( convFace.CheckPrisms() ) @@ -7304,6 +7543,59 @@ bool _ViscousBuilder::updateNormalsOfConvexFaces( _SolidData& data, return true; } +//================================================================================ +/*! + * \brief Return max curvature of a FACE + */ +//================================================================================ + +double _ConvexFace::GetMaxCurvature( _SolidData& data, + _EdgesOnShape& eof, + BRepLProp_SLProps& surfProp, + SMESH_MesherHelper& helper) +{ + double maxCurvature = 0; + + TopoDS_Face F = TopoDS::Face( eof._shape ); + + const int nbTestPnt = 5; + const double oriFactor = ( F.Orientation() == TopAbs_REVERSED ? +1. : -1. ); + SMESH_subMeshIteratorPtr smIt = eof._subMesh->getDependsOnIterator(/*includeSelf=*/true); + while ( smIt->more() ) + { + SMESH_subMesh* sm = smIt->next(); + const TGeomID subID = sm->GetId(); + + // find _LayerEdge's of a sub-shape + _EdgesOnShape* eos; + if (( eos = data.GetShapeEdges( subID ))) + this->_subIdToEOS.insert( make_pair( subID, eos )); + else + continue; + + // check concavity and curvature and limit data._stepSize + const double minCurvature = + 1. / ( eos->_hyp.GetTotalThickness() * ( 1 + theThickToIntersection )); + size_t iStep = Max( 1, eos->_edges.size() / nbTestPnt ); + for ( size_t i = 0; i < eos->_edges.size(); i += iStep ) + { + gp_XY uv = helper.GetNodeUV( F, eos->_edges[ i ]->_nodes[0] ); + surfProp.SetParameters( uv.X(), uv.Y() ); + if ( surfProp.IsCurvatureDefined() ) + { + double curvature = Max( surfProp.MaxCurvature() * oriFactor, + surfProp.MinCurvature() * oriFactor ); + maxCurvature = Max( maxCurvature, curvature ); + + if ( curvature > minCurvature ) + this->_isTooCurved = true; + } + } + } // loop on sub-shapes of the FACE + + return maxCurvature; +} + //================================================================================ /*! * \brief Finds a center of curvature of a surface at a _LayerEdge @@ -7586,13 +7878,14 @@ gp_Ax1 _LayerEdge::LastSegment(double& segLen, _EdgesOnShape& eos) const //================================================================================ /*! - * \brief Return the last position of the target node on a FACE. + * \brief Return the last (or \a which) position of the target node on a FACE. * \param [in] F - the FACE this _LayerEdge is inflated along + * \param [in] which - index of position * \return gp_XY - result UV */ //================================================================================ -gp_XY _LayerEdge::LastUV( const TopoDS_Face& F, _EdgesOnShape& eos ) const +gp_XY _LayerEdge::LastUV( const TopoDS_Face& F, _EdgesOnShape& eos, int which ) const { if ( F.IsSame( eos._sWOL )) // F is my FACE return gp_XY( _pos.back().X(), _pos.back().Y() ); @@ -7601,7 +7894,7 @@ gp_XY _LayerEdge::LastUV( const TopoDS_Face& F, _EdgesOnShape& eos ) const return gp_XY( 1e100, 1e100 ); // _sWOL is EDGE of F; _pos.back().X() is the last U on the EDGE - double f, l, u = _pos.back().X(); + double f, l, u = _pos[ which < 0 ? _pos.size()-1 : which ].X(); Handle(Geom2d_Curve) C2d = BRep_Tool::CurveOnSurface( TopoDS::Edge(eos._sWOL), F, f,l); if ( !C2d.IsNull() && f <= u && u <= l ) return C2d->Value( u ).XY(); @@ -7679,7 +7972,7 @@ bool _LayerEdge::SegTriaInter( const gp_Ax1& lastSegment, * \param [in] eov - EOS of the VERTEX * \param [in] eos - EOS of the FACE * \param [in] step - inflation step - * \param [in,out] badSmooEdges - not untangled _LayerEdge's + * \param [in,out] badSmooEdges - tangled _LayerEdge's */ //================================================================================ @@ -9031,6 +9324,11 @@ void _LayerEdge::Block( _SolidData& data ) //if ( Is( BLOCKED )) return; Set( BLOCKED ); + SMESH_Comment msg( "#BLOCK shape="); + msg << data.GetShapeEdges( this )->_shapeID + << ", nodes " << _nodes[0]->GetID() << ", " << _nodes.back()->GetID(); + dumpCmd( msg + " -- BEGIN") + _maxLen = _len; std::queue<_LayerEdge*> queue; queue.push( this ); @@ -9056,6 +9354,8 @@ void _LayerEdge::Block( _SolidData& data ) //if ( edge->_nodes[0]->getshapeId() == neibor->_nodes[0]->getshapeId() ) viscous_layers_00/A3 { newMaxLen *= edge->_lenFactor / neibor->_lenFactor; + // newMaxLen *= Min( edge->_lenFactor / neibor->_lenFactor, + // neibor->_lenFactor / edge->_lenFactor ); } if ( neibor->_maxLen > newMaxLen ) { @@ -9073,6 +9373,7 @@ void _LayerEdge::Block( _SolidData& data ) } } } + dumpCmd( msg + " -- END") } //================================================================================ @@ -9227,6 +9528,7 @@ std::string _LayerEdge::DumpFlags() const case BLOCKED: dump << "BLOCKED"; break; case INTERSECTED: dump << "INTERSECTED"; break; case NORMAL_UPDATED: dump << "NORMAL_UPDATED"; break; + case UPD_NORMAL_CONV: dump << "UPD_NORMAL_CONV"; break; case MARKED: dump << "MARKED"; break; case MULTI_NORMAL: dump << "MULTI_NORMAL"; break; case NEAR_BOUNDARY: dump << "NEAR_BOUNDARY"; break; @@ -9262,7 +9564,7 @@ bool _ViscousBuilder::refine(_SolidData& data) double f,l, u = 0; gp_XY uv; vector< gp_XYZ > pos3D; - bool isOnEdge; + bool isOnEdge, isTooConvexFace = false; TGeomID prevBaseId = -1; TNode2Edge* n2eMap = 0; TNode2Edge::iterator n2e; @@ -9306,6 +9608,9 @@ bool _ViscousBuilder::refine(_SolidData& data) for ( size_t j = 0; j < eos._eosC1[i]->_edges.size(); ++j ) eos._eosC1[i]->_edges[j]->Set( _LayerEdge::SMOOTHED_C1 ); } + isTooConvexFace = false; + if ( _ConvexFace* cf = data.GetConvexFace( eos._shapeID )) + isTooConvexFace = cf->_isTooCurved; } vector< double > segLen; @@ -9321,8 +9626,8 @@ bool _ViscousBuilder::refine(_SolidData& data) if ( eos._sWOL.IsNull() ) { bool useNormal = true; - bool usePos = false; - bool smoothed = false; + bool usePos = false; + bool smoothed = false; double preci = 0.1 * edge._len; if ( eos._toSmooth && edge._pos.size() > 2 ) { @@ -9330,8 +9635,7 @@ bool _ViscousBuilder::refine(_SolidData& data) } if ( smoothed ) { - if ( !surface.IsNull() && - !data._convexFaces.count( eos._shapeID )) // edge smoothed on FACE + if ( !surface.IsNull() && !isTooConvexFace ) // edge smoothed on FACE { useNormal = usePos = false; gp_Pnt2d uv = helper.GetNodeUV( geomFace, edge._nodes[0] );