From 0e017d4c87d670c01e72c0b4858ffcb9e47aa9ba Mon Sep 17 00:00:00 2001 From: eap Date: Tue, 7 Jul 2015 17:33:01 +0300 Subject: [PATCH] 23068: [CEA 1505] Be able to keep meshing in 2D after having merged the nodes in 1D --- src/SMESH/SMESH_Algo.cxx | 118 ++++- src/SMESH/SMESH_Algo.hxx | 34 +- src/SMESH/SMESH_Mesh.cxx | 12 +- src/SMESH/SMESH_MesherHelper.cxx | 4 +- src/SMESH/SMESH_subMesh.cxx | 10 +- src/SMESHDS/SMESHDS_Document.cxx | 82 ++-- src/SMESHDS/SMESHDS_SubMesh.hxx | 4 +- src/StdMeshers/StdMeshers_FaceSide.cxx | 445 ++++++++++++------ src/StdMeshers/StdMeshers_FaceSide.hxx | 46 +- src/StdMeshers/StdMeshers_Projection_2D.cxx | 78 ++- src/StdMeshers/StdMeshers_Quadrangle_2D.cxx | 25 +- .../StdMeshers_RadialQuadrangle_1D2D.cxx | 2 +- 12 files changed, 587 insertions(+), 273 deletions(-) diff --git a/src/SMESH/SMESH_Algo.cxx b/src/SMESH/SMESH_Algo.cxx index d764ffd4b..b7992de2f 100644 --- a/src/SMESH/SMESH_Algo.cxx +++ b/src/SMESH/SMESH_Algo.cxx @@ -432,16 +432,14 @@ bool SMESH_Algo::GetSortedNodesOnEdge(const SMESHDS_Mesh* theM const SMDS_EdgePosition* epos = static_cast(node->GetPosition()); theNodes.insert( theNodes.end(), make_pair( epos->GetUParameter(), node )); - //MESSAGE("U " << epos->GetUParameter() << " ID " << node->GetID()); ++nbNodes; } } // add vertex nodes TopoDS_Vertex v1, v2; TopExp::Vertices(theEdge, v1, v2); - const SMDS_MeshNode* n1 = VertexNode( v1, (SMESHDS_Mesh*) theMesh ); - const SMDS_MeshNode* n2 = VertexNode( v2, (SMESHDS_Mesh*) theMesh ); - //MESSAGE("Vertices ID " << n1->GetID() << " " << n2->GetID()); + const SMDS_MeshNode* n1 = VertexNode( v1, eSubMesh, 0 ); + const SMDS_MeshNode* n2 = VertexNode( v2, eSubMesh, 0 ); Standard_Real f, l; BRep_Tool::Range(theEdge, f, l); if ( v1.Orientation() != TopAbs_FORWARD ) @@ -614,6 +612,118 @@ const SMDS_MeshNode* SMESH_Algo::VertexNode(const TopoDS_Vertex& V, return 0; } +//======================================================================= +/*! + * \brief Return the node built on a vertex. + * A node moved to other geometry by MergeNodes() is also returned. + * \param V - the vertex + * \param mesh - mesh + * \retval const SMDS_MeshNode* - found node or NULL + */ +//======================================================================= + +const SMDS_MeshNode* SMESH_Algo::VertexNode(const TopoDS_Vertex& V, + const SMESH_Mesh* mesh) +{ + const SMDS_MeshNode* node = VertexNode( V, mesh->GetMeshDS() ); + + if ( !node && mesh->HasModificationsToDiscard() ) + { + PShapeIteratorPtr edgeIt = SMESH_MesherHelper::GetAncestors( V, *mesh, TopAbs_EDGE ); + while ( const TopoDS_Shape* edge = edgeIt->next() ) + if ( SMESHDS_SubMesh* edgeSM = mesh->GetMeshDS()->MeshElements( *edge )) + if ( edgeSM->NbElements() > 0 ) + return VertexNode( V, edgeSM, mesh, /*checkV=*/false ); + } + return node; +} + +//======================================================================= +/*! + * \brief Return the node built on a vertex. + * A node moved to other geometry by MergeNodes() is also returned. + * \param V - the vertex + * \param edgeSM - sub-mesh of a meshed EDGE sharing the vertex + * \param checkV - if \c true, presence of a node on the vertex is checked + * \retval const SMDS_MeshNode* - found node or NULL + */ +//======================================================================= + +const SMDS_MeshNode* SMESH_Algo::VertexNode(const TopoDS_Vertex& V, + const SMESHDS_SubMesh* edgeSM, + const SMESH_Mesh* mesh, + const bool checkV) +{ + const SMDS_MeshNode* node = checkV ? VertexNode( V, edgeSM->GetParent() ) : 0; + + if ( !node && edgeSM ) + { + // find nodes not shared by mesh segments + typedef set< const SMDS_MeshNode* > TNodeSet; + typedef map< const SMDS_MeshNode*, const SMDS_MeshNode* > TNodeMap; + TNodeMap notSharedNodes; + TNodeSet otherShapeNodes; + vector< const SMDS_MeshNode* > segNodes(3); + SMDS_ElemIteratorPtr segIt = edgeSM->GetElements(); + while ( segIt->more() ) + { + const SMDS_MeshElement* seg = segIt->next(); + if ( seg->GetType() != SMDSAbs_Edge ) + return node; + segNodes.assign( seg->begin_nodes(), seg->end_nodes() ); + for ( int i = 0; i < 2; ++i ) + { + const SMDS_MeshNode* n1 = segNodes[i]; + const SMDS_MeshNode* n2 = segNodes[1-i]; + pair it2new = notSharedNodes.insert( make_pair( n1, n2 )); + if ( !it2new.second ) // n encounters twice + notSharedNodes.erase( it2new.first ); + if ( n1->getshapeId() != edgeSM->GetID() ) + otherShapeNodes.insert( n1 ); + } + } + if ( otherShapeNodes.size() == 1 && notSharedNodes.empty() ) // a closed EDGE + return *otherShapeNodes.begin(); + + if ( notSharedNodes.size() == 2 ) // two end nodes found + { + SMESHDS_Mesh* meshDS = edgeSM->GetParent(); + const TopoDS_Shape& E = meshDS->IndexToShape( edgeSM->GetID() ); + if ( E.IsNull() || E.ShapeType() != TopAbs_EDGE ) + return node; + const SMDS_MeshNode* n1 = notSharedNodes.begin ()->first; + const SMDS_MeshNode* n2 = notSharedNodes.rbegin()->first; + TopoDS_Shape S1 = SMESH_MesherHelper::GetSubShapeByNode( n1, meshDS ); + if ( S1.ShapeType() == TopAbs_VERTEX && SMESH_MesherHelper::IsSubShape( S1, E )) + return n2; + TopoDS_Shape S2 = SMESH_MesherHelper::GetSubShapeByNode( n2, meshDS ); + if ( S2.ShapeType() == TopAbs_VERTEX && SMESH_MesherHelper::IsSubShape( S2, E )) + return n1; + if ( edgeSM->NbElements() <= 2 || !mesh ) // one-two segments + { + gp_Pnt pV = BRep_Tool::Pnt( V ); + double dist1 = pV.SquareDistance( SMESH_TNodeXYZ( n1 )); + double dist2 = pV.SquareDistance( SMESH_TNodeXYZ( n2 )); + return dist1 < dist2 ? n1 : n2; + } + if ( mesh ) + { + SMESH_MesherHelper helper( const_cast( *mesh )); + const SMDS_MeshNode* n1i = notSharedNodes.begin ()->second; + const SMDS_MeshNode* n2i = notSharedNodes.rbegin()->second; + const TopoDS_Edge& edge = TopoDS::Edge( E ); + bool posOK = true; + double pos1 = helper.GetNodeU( edge, n1i, n2i, &posOK ); + double pos2 = helper.GetNodeU( edge, n2i, n1i, &posOK ); + double posV = BRep_Tool::Parameter( V, edge ); + if ( Abs( pos1 - posV ) < Abs( pos2 - posV )) return n1; + else return n2; + } + } + } + return node; +} + //======================================================================= //function : GetMeshError //purpose : Finds topological errors of a sub-mesh diff --git a/src/SMESH/SMESH_Algo.hxx b/src/SMESH/SMESH_Algo.hxx index b827cd21e..6363dc469 100644 --- a/src/SMESH/SMESH_Algo.hxx +++ b/src/SMESH/SMESH_Algo.hxx @@ -313,6 +313,7 @@ public: * \param theEdge - The geometrical edge of interest * \param theParams - The resulting vector of sorted node parameters * \retval bool - false if not all parameters are OK + * \warning Nodes moved to other geometry by MergeNodes() are NOT returned. */ static bool GetNodeParamOnEdge(const SMESHDS_Mesh* theMesh, const TopoDS_Edge& theEdge, @@ -325,17 +326,14 @@ public: * \param ignoreMediumNodes - to store medium nodes of quadratic elements or not * \param typeToCheck - type of elements to check for medium nodes * \retval bool - false if not all parameters are OK + * \warning Nodes moved to other geometry by MergeNodes() are NOT returned. */ static bool GetSortedNodesOnEdge(const SMESHDS_Mesh* theMesh, const TopoDS_Edge& theEdge, const bool ignoreMediumNodes, std::map< double, const SMDS_MeshNode* > & theNodes, const SMDSAbs_ElementType typeToCheck = SMDSAbs_All); - /*! - * Moved to SMESH_MesherHelper - */ - // static bool IsReversedSubMesh (const TopoDS_Face& theFace, - // SMESHDS_Mesh* theMeshDS); + /*! * \brief Compute length of an edge * \param E - the edge @@ -343,7 +341,6 @@ public: */ static double EdgeLength(const TopoDS_Edge & E); - //static int NumberOfWires(const TopoDS_Shape& S); int NumberOfPoints(SMESH_Mesh& aMesh,const TopoDS_Wire& W); /*! @@ -372,11 +369,34 @@ public: /*! * \brief Return the node built on a vertex * \param V - the vertex - * \param meshDS - mesh + * \param meshDS - mesh data structure * \retval const SMDS_MeshNode* - found node or NULL */ static const SMDS_MeshNode* VertexNode(const TopoDS_Vertex& V, const SMESHDS_Mesh* meshDS); + /*! + * \brief Return the node built on a vertex. + * A node moved to other geometry by MergeNodes() is also returned. + * \param V - the vertex + * \param mesh - mesh + * \retval const SMDS_MeshNode* - found node or NULL + */ + static const SMDS_MeshNode* VertexNode(const TopoDS_Vertex& V, const SMESH_Mesh* mesh); + + /*! + * \brief Return the node built on a vertex. + * A node moved to other geometry by MergeNodes() is also returned. + * \param V - the vertex + * \param edgeSM - sub-mesh of a meshed EDGE sharing the vertex + * \param mesh - the mesh + * \param checkV - if \c true, presence of a node on the vertex is checked + * \retval const SMDS_MeshNode* - found node or NULL + */ + static const SMDS_MeshNode* VertexNode(const TopoDS_Vertex& V, + const SMESHDS_SubMesh* edgeSM, + const SMESH_Mesh* mesh, + const bool checkV=true); + enum EMeshError { MEr_OK = 0, MEr_HOLES, MEr_BAD_ORI, MEr_EMPTY }; /*! diff --git a/src/SMESH/SMESH_Mesh.cxx b/src/SMESH/SMESH_Mesh.cxx index 4ba42c977..a6e7eddd2 100644 --- a/src/SMESH/SMESH_Mesh.cxx +++ b/src/SMESH/SMESH_Mesh.cxx @@ -1117,7 +1117,7 @@ throw(SALOME_Exception) //================================================================================ /*! - * \brief Return submeshes of groups containing the given sub-shape + * \brief Return sub-meshes of groups containing the given sub-shape */ //================================================================================ @@ -1131,8 +1131,8 @@ SMESH_Mesh::GetGroupSubMeshesContaining(const TopoDS_Shape & aSubShape) const if ( !subMesh ) return found; - // submeshes of groups have max IDs, so search from the map end -SMESH_subMeshIteratorPtr smIt( _subMeshHolder->GetIterator( /*reverse=*/true ) ); + // sub-meshes of groups have max IDs, so search from the map end + SMESH_subMeshIteratorPtr smIt( _subMeshHolder->GetIterator( /*reverse=*/true ) ); while ( smIt->more() ) { SMESH_subMesh* sm = smIt->next(); SMESHDS_SubMesh * ds = sm->GetSubMeshDS(); @@ -1158,6 +1158,12 @@ SMESH_subMeshIteratorPtr smIt( _subMeshHolder->GetIterator( /*reverse=*/true ) ) found.push_back( mainSM ); } } + else // issue 0023068 + { + if ( SMESH_subMesh * mainSM = GetSubMeshContaining(1) ) + if ( mainSM->GetSubShape().ShapeType() == TopAbs_COMPOUND ) + found.push_back( mainSM ); + } return found; } //======================================================================= diff --git a/src/SMESH/SMESH_MesherHelper.cxx b/src/SMESH/SMESH_MesherHelper.cxx index eacf96a10..9f4d616d2 100644 --- a/src/SMESH/SMESH_MesherHelper.cxx +++ b/src/SMESH/SMESH_MesherHelper.cxx @@ -191,8 +191,8 @@ bool SMESH_MesherHelper::IsQuadraticSubMesh(const TopoDS_Shape& aSh) } } - if ( nbOldLinks == myTLinkNodeMap.size() ) - myCreateQuadratic = false; + // if ( nbOldLinks == myTLinkNodeMap.size() ) -- 0023068 + // myCreateQuadratic = false; if(!myCreateQuadratic) { myTLinkNodeMap.clear(); diff --git a/src/SMESH/SMESH_subMesh.cxx b/src/SMESH/SMESH_subMesh.cxx index 9c1d50acf..4bfd52b77 100644 --- a/src/SMESH/SMESH_subMesh.cxx +++ b/src/SMESH/SMESH_subMesh.cxx @@ -455,7 +455,8 @@ const map < int, SMESH_subMesh * >& SMESH_subMesh::DependsOn() */ //================================================================================ -namespace { +namespace +{ int dependsOnMapKey( const SMESH_subMesh* sm ) { int type = sm->GetSubShape().ShapeType(); @@ -479,6 +480,8 @@ void SMESH_subMesh::insertDependence(const TopoDS_Shape aShape, for ( ; sub.More(); sub.Next() ) { SMESH_subMesh *aSubMesh = _father->GetSubMesh( sub.Current() ); + if ( aSubMesh->GetId() == 0 ) + continue; // not a sub-shape of the shape to mesh int cle = dependsOnMapKey( aSubMesh ); if ( _mapDepend.find( cle ) == _mapDepend.end()) { @@ -597,6 +600,7 @@ SMESH_Hypothesis::Hypothesis_Status // le retour des evenement father n'indiquent pas que add ou remove fait SMESH_Hypothesis::Hypothesis_Status aux_ret, ret = SMESH_Hypothesis::HYP_OK; + if ( _Id == 0 ) return ret; // not a sub-shape of the shape to mesh SMESHDS_Mesh* meshDS =_father->GetMeshDS(); SMESH_Algo* algo = 0; @@ -1003,8 +1007,8 @@ SMESH_Hypothesis::Hypothesis_Status // detect algorithm hiding // - if ( ret == SMESH_Hypothesis::HYP_OK && - ( event == ADD_ALGO || event == ADD_FATHER_ALGO ) && + if ( ret == SMESH_Hypothesis::HYP_OK && + ( event == ADD_ALGO || event == ADD_FATHER_ALGO ) && algo && algo->GetName() == anHyp->GetName() ) { // is algo hidden? diff --git a/src/SMESHDS/SMESHDS_Document.cxx b/src/SMESHDS/SMESHDS_Document.cxx index 239c1c89f..98c9b494c 100644 --- a/src/SMESHDS/SMESHDS_Document.cxx +++ b/src/SMESHDS/SMESHDS_Document.cxx @@ -68,22 +68,22 @@ SMESHDS_Mesh * SMESHDS_Document::NewMesh(bool theIsEmbeddedMode, int MeshID) //======================================================================= //function : GetMesh -//purpose : +//purpose : //======================================================================= SMESHDS_Mesh *SMESHDS_Document::GetMesh(int MeshID) { - map::iterator it=myMeshes.find(MeshID); - if (it==myMeshes.end()) - { - MESSAGE("SMESHDS_Document::GetMesh : ID not found"); - return NULL; - } - else return (*it).second; + map::iterator it=myMeshes.find(MeshID); + if (it==myMeshes.end()) + { + MESSAGE("SMESHDS_Document::GetMesh : ID not found"); + return NULL; + } + else return (*it).second; } //======================================================================= //function : RemoveMesh -//purpose : +//purpose : //======================================================================= void SMESHDS_Document::RemoveMesh(int MeshID) { @@ -107,99 +107,99 @@ void SMESHDS_Document::AddHypothesis(SMESHDS_Hypothesis * H) //======================================================================= SMESHDS_Hypothesis * SMESHDS_Document::GetHypothesis(int HypID) { - map::iterator it=myHypothesis.find(HypID); - if (it==myHypothesis.end()) - { - MESSAGE("SMESHDS_Document::GetHypothesis : ID not found"); - return NULL; - } - else return (*it).second; + map::iterator it=myHypothesis.find(HypID); + if (it==myHypothesis.end()) + { + MESSAGE("SMESHDS_Document::GetHypothesis : ID not found"); + return NULL; + } + else return (*it).second; } //======================================================================= //function : RemoveHypothesis -//purpose : +//purpose : //======================================================================= void SMESHDS_Document::RemoveHypothesis(int HypID) { - map::iterator it=myHypothesis.find(HypID); - if (it==myHypothesis.end()) - MESSAGE("SMESHDS_Document::RemoveHypothesis : ID not found"); - myHypothesis.erase(it); + map::iterator it=myHypothesis.find(HypID); + if (it==myHypothesis.end()) + MESSAGE("SMESHDS_Document::RemoveHypothesis : ID not found"); + myHypothesis.erase(it); } //======================================================================= //function : NbMeshes -//purpose : +//purpose : //======================================================================= int SMESHDS_Document::NbMeshes() { - return myMeshes.size(); + return myMeshes.size(); } //======================================================================= //function : NbHypothesis -//purpose : +//purpose : //======================================================================= int SMESHDS_Document::NbHypothesis() { - return myHypothesis.size(); + return myHypothesis.size(); } //======================================================================= //function : InitMeshesIterator -//purpose : +//purpose : //======================================================================= void SMESHDS_Document::InitMeshesIterator() { - myMeshesIt=myMeshes.begin(); + myMeshesIt=myMeshes.begin(); } //======================================================================= //function : NextMesh -//purpose : +//purpose : //======================================================================= SMESHDS_Mesh * SMESHDS_Document::NextMesh() { - SMESHDS_Mesh * toReturn=(*myMeshesIt).second; - myMeshesIt++; - return toReturn; + SMESHDS_Mesh * toReturn=(*myMeshesIt).second; + myMeshesIt++; + return toReturn; } //======================================================================= //function : MoreMesh -//purpose : +//purpose : //======================================================================= bool SMESHDS_Document::MoreMesh() { - return myMeshesIt!=myMeshes.end(); + return myMeshesIt!=myMeshes.end(); } //======================================================================= //function : InitHypothesisIterator -//purpose : +//purpose : //======================================================================= void SMESHDS_Document::InitHypothesisIterator() { - myHypothesisIt=myHypothesis.begin(); + myHypothesisIt=myHypothesis.begin(); } //======================================================================= //function : NextMesh -//purpose : +//purpose : //======================================================================= SMESHDS_Hypothesis * SMESHDS_Document::NextHypothesis() { - SMESHDS_Hypothesis * toReturn=(*myHypothesisIt).second; - myHypothesisIt++; - return toReturn; + SMESHDS_Hypothesis * toReturn=(*myHypothesisIt).second; + myHypothesisIt++; + return toReturn; } //======================================================================= //function : MoreMesh -//purpose : +//purpose : //======================================================================= bool SMESHDS_Document::MoreHypothesis() { - return myHypothesisIt!=myHypothesis.end(); + return myHypothesisIt!=myHypothesis.end(); } diff --git a/src/SMESHDS/SMESHDS_SubMesh.hxx b/src/SMESHDS/SMESHDS_SubMesh.hxx index d583d2921..3460b8cdb 100644 --- a/src/SMESHDS/SMESHDS_SubMesh.hxx +++ b/src/SMESHDS/SMESHDS_SubMesh.hxx @@ -73,8 +73,8 @@ class SMESHDS_EXPORT SMESHDS_SubMesh int getSize(); void compactList(); - SMESHDS_Mesh *GetParent() { return myParent; } - int GetID() const { return myIndex; } + SMESHDS_Mesh* GetParent() const { return const_cast< SMESHDS_Mesh*>( myParent ); } + int GetID() const { return myIndex; } private: SMESHDS_Mesh * myParent; diff --git a/src/StdMeshers/StdMeshers_FaceSide.cxx b/src/StdMeshers/StdMeshers_FaceSide.cxx index e474f5bf7..3fd030563 100644 --- a/src/StdMeshers/StdMeshers_FaceSide.cxx +++ b/src/StdMeshers/StdMeshers_FaceSide.cxx @@ -79,8 +79,6 @@ StdMeshers_FaceSide::StdMeshers_FaceSide(const TopoDS_Face& theFace, //================================================================================ /*! * \brief Constructor of a side of several edges - * \param theFace - the face - * \param theEdge - the edge */ //================================================================================ @@ -101,6 +99,7 @@ StdMeshers_FaceSide::StdMeshers_FaceSide(const TopoDS_Face& theFace, myNormPar.resize ( nbEdges ); myEdgeLength.resize( nbEdges ); myIsUniform.resize ( nbEdges, true ); + myFace = theFace; myLength = 0; myNbPonits = myNbSegments = 0; myProxyMesh = theProxyMesh; @@ -121,7 +120,7 @@ StdMeshers_FaceSide::StdMeshers_FaceSide(const TopoDS_Face& theFace, myEdgeLength[i] = SMESH_Algo::EdgeLength( *edge ); if ( myEdgeLength[i] < DBL_MIN ) nbDegen++; myLength += myEdgeLength[i]; - myEdge[i] = *edge; + myEdge [i] = *edge; myEdgeID[i] = meshDS->ShapeToIndex( *edge ); if ( !theIsForward ) myEdge[i].Reverse(); @@ -132,34 +131,16 @@ StdMeshers_FaceSide::StdMeshers_FaceSide(const TopoDS_Face& theFace, if ( myEdge[i].Orientation() == TopAbs_REVERSED ) std::swap( myFirst[i], myLast[i] ); - if ( const SMESHDS_SubMesh* sm = myProxyMesh->GetSubMesh( *edge )) { - int nbN = sm->NbNodes(); - if ( theIgnoreMediumNodes ) { - SMDS_ElemIteratorPtr elemIt = sm->GetElements(); - if ( elemIt->more() && elemIt->next()->IsQuadratic() ) - nbN -= sm->NbElements(); - } - myNbPonits += nbN; - myNbSegments += sm->NbElements(); - } - - // TopExp::FirstVertex() and TopExp::LastVertex() return NULL from INTERNAL edge - vExp.Initialize( *edge ); - if ( vExp.Value().Orientation() == TopAbs_REVERSED ) vExp.Next(); - if ( SMESH_Algo::VertexNode( TopoDS::Vertex( vExp.Value()), meshDS )) - myNbPonits += 1; // for the first end - else - myMissingVertexNodes = true; - // check if the edge has a non-uniform parametrization (issue 0020705) if ( !myC2d[i].IsNull() ) { - if ( myEdgeLength[i] > DBL_MIN) + if ( myEdgeLength[i] > DBL_MIN ) { Geom2dAdaptor_Curve A2dC( myC2d[i], std::min( myFirst[i], myLast[i] ), std::max( myFirst[i], myLast[i] )); - double p2 = myFirst[i]+(myLast[i]-myFirst[i])/2., p4 = myFirst[i]+(myLast[i]-myFirst[i])/4.; + double p2 = myFirst[i]+(myLast[i]-myFirst[i])/2.; + double p4 = myFirst[i]+(myLast[i]-myFirst[i])/4.; double d2 = GCPnts_AbscissaPoint::Length( A2dC, myFirst[i], p2 ); double d4 = GCPnts_AbscissaPoint::Length( A2dC, myFirst[i], p4 ); //cout<<"len = "<GetSubMesh( myEdge[iE] )) + // Add internal nodes + nodes.clear(); + if ( !GetEdgeNodes( iE, nodes, /*v0=*/false, /*v1=*/false )) + return myPoints; + if ( !nodes.empty() ) { - vector< pair< double, const SMDS_MeshNode*> > u2nodeVec; - u2nodeVec.reserve( sm->NbNodes() ); - SMDS_NodeIteratorPtr nItr = sm->GetNodes(); + u2nodeVec.clear(); double paramSize = myLast[iE] - myFirst[iE]; double r = myNormPar[iE] - prevNormPar; helper.SetSubShape( myEdge[iE] ); helper.ToFixNodeParameters( true ); if ( !myIsUniform[iE] ) - while ( nItr->more() ) + for ( size_t i = 0; i < nodes.size(); ++i ) { - const SMDS_MeshNode* node = nItr->next(); - if ( myIgnoreMediumNodes && SMESH_MeshEditor::IsMedium( node, SMDSAbs_Edge )) - continue; - double u = helper.GetNodeU( myEdge[iE], node, 0, ¶mOK ); - double aLenU = GCPnts_AbscissaPoint::Length - ( const_cast( myC3dAdaptor[iE]), myFirst[iE], u ); + double u = helper.GetNodeU( myEdge[iE], nodes[i], 0, ¶mOK ); + double aLenU = GCPnts_AbscissaPoint::Length( me->myC3dAdaptor[iE], myFirst[iE], u ); if ( myEdgeLength[iE] < aLenU ) // nonregression test "3D_mesh_NETGEN/G6" { u2nodeVec.clear(); break; } - double normPar = prevNormPar + r*aLenU/myEdgeLength[iE]; - u2nodeVec.push_back( make_pair( normPar, node )); + double normPar = prevNormPar + r * aLenU / myEdgeLength[iE]; + u2nodeVec.push_back( make_pair( normPar, nodes[i] )); } - nItr = sm->GetNodes(); if ( u2nodeVec.empty() ) - while ( nItr->more() ) + for ( size_t i = 0; i < nodes.size(); ++i ) { - const SMDS_MeshNode* node = nItr->next(); - if ( myIgnoreMediumNodes && SMESH_MeshEditor::IsMedium( node, SMDSAbs_Edge )) - continue; - double u = helper.GetNodeU( myEdge[iE], node, 0, ¶mOK ); - + double u = helper.GetNodeU( myEdge[iE], nodes[i], 0, ¶mOK ); // paramSize is signed so orientation is taken into account double normPar = prevNormPar + r * ( u - myFirst[iE] ) / paramSize; - u2nodeVec.push_back( make_pair( normPar, node )); + u2nodeVec.push_back( make_pair( normPar, nodes[i] )); } for ( size_t j = 0; j < u2nodeVec.size(); ++j ) u2node.insert( u2node.end(), u2nodeVec[j] ); } + } // loop on myEdge's + + if ( u2node.empty() ) return myPoints; - // Put 2nd vertex node for a last edge - if ( iE+1 == myEdge.size() ) { - node = SMESH_Algo::VertexNode( VV[1], meshDS ); - if ( !node ) { - MESSAGE(" NO NODE on VERTEX" ); + // Add 2nd VERTEX node for a last EDGE + { + const SMDS_MeshNode* node; + if ( IsClosed() ) + node = u2node.begin()->second; + else + { + node = VertexNode( iE ); + while ( !node && iE > 0 ) + node = VertexNode( --iE ); + if ( !node ) return myPoints; - } - u2node.insert( u2node.end(), make_pair( 1., node )); } - } // loop on myEdge's + if ( u2node.rbegin()->second == node ) + u2node.erase( --u2node.end() ); + u2node.insert( u2node.end(), make_pair( 1., node )); + } if ( u2node.size() + nbProxyNodes != myNbPonits && u2node.size() + nbProxyNodes != NbPoints( /*update=*/true )) @@ -440,7 +432,7 @@ const vector& StdMeshers_FaceSide::GetUVPtStruct(bool isXConst, // fill array of UVPtStruct - UVPtStructVec& points = const_cast< UVPtStructVec& >( myPoints ); + UVPtStructVec& points = me->myPoints; points.resize( myNbPonits ); int iPt = 0; @@ -487,7 +479,7 @@ const vector& StdMeshers_FaceSide::GetUVPtStruct(bool isXConst, // -- U ---------------------------------------------- const SMDS_EdgePosition* epos = dynamic_cast(uvPt.node->GetPosition()); - if ( epos ) { + if ( epos && uvPt.node->getshapeId() == myEdgeID[iE] ) { uvPt.param = epos->GetUParameter(); } else { @@ -577,65 +569,101 @@ const vector& StdMeshers_FaceSide::SimulateUVPtStruct(int nbSeg, //purpose : Return nodes in the order they encounter while walking along the side //======================================================================= -std::vector StdMeshers_FaceSide::GetOrderedNodes() const +std::vector StdMeshers_FaceSide::GetOrderedNodes(int theEdgeInd) const { vector resultNodes; - if ( myPoints.empty() ) + if ( myPoints.empty() || ( theEdgeInd >= 0 && NbEdges() > 0 )) { if ( NbEdges() == 0 ) return resultNodes; SMESHDS_Mesh* meshDS = myProxyMesh->GetMeshDS(); SMESH_MesherHelper helper(*myProxyMesh->GetMesh()); - bool paramOK; + bool paramOK = true; // Sort nodes of all edges putting them into a map - map< double, const SMDS_MeshNode*> u2node; - for ( int i = 0; i < myEdge.size(); ++i ) + map< double, const SMDS_MeshNode*> u2node; + vector nodes; + set vertexNodes; + int iE = 0, iEnd = myEdge.size(); + if ( theEdgeInd >= 0 ) + { + iE = theEdgeInd % NbEdges(); + iEnd = iE + 1; + } + for ( iE = 0; iE < iEnd; ++iE ) { - // Put 1st vertex node of a current edge - TopoDS_Vertex VV[2]; // TopExp::FirstVertex() returns NULL for INTERNAL edge - VV[0] = SMESH_MesherHelper::IthVertex( 0, myEdge[i]); - VV[1] = SMESH_MesherHelper::IthVertex( 1, myEdge[i]); - const SMDS_MeshNode* node = SMESH_Algo::VertexNode( VV[0], meshDS ); - double prevNormPar = ( i == 0 ? 0 : myNormPar[ i-1 ]); // normalized param + double prevNormPar = ( iE == 0 ? 0 : myNormPar[ iE-1 ]); // normalized param + + const SMESH_ProxyMesh::SubMesh* proxySM = myProxyMesh->GetProxySubMesh( myEdge[iE] ); + if ( proxySM ) + { + const UVPtStructVec& points = proxySM->GetUVPtStructVec(); + for ( size_t i = 0; i < points.size(); ++i ) + u2node.insert( make_pair( prevNormPar + points[i].normParam, points[i].node )); + continue; + } + + // Add 1st vertex node of a current EDGE + const SMDS_MeshNode* node = VertexNode( iE ); if ( node ) { // nodes on internal vertices may be missing - u2node.insert( make_pair( prevNormPar, node )); + if ( vertexNodes.insert( node ).second ) + u2node.insert( make_pair( prevNormPar, node )); } - else if ( i == 0 ) { - MESSAGE(" NO NODE on VERTEX" ); - return resultNodes; + else if ( iE == 0 ) + { + if ( nodes.empty() ) { + for ( ++iE; iE < iEnd; ++iE ) + if (( node = VertexNode( iE ))) { + u2node.insert( make_pair( prevNormPar, node )); + break; + } + --iE; + } + if ( !node ) + return resultNodes; + vertexNodes.insert( node ); } - // Put internal nodes - if ( SMESHDS_SubMesh* sm = meshDS->MeshElements( myEdge[i] )) + // Add internal nodes + nodes.clear(); + if ( !GetEdgeNodes( iE, nodes, /*v0=*/false, /*v1=*/false )) + return resultNodes; + if ( !nodes.empty() ) { - SMDS_NodeIteratorPtr nItr = sm->GetNodes(); - double paramSize = myLast[i] - myFirst[i]; - double r = myNormPar[i] - prevNormPar; - helper.SetSubShape( myEdge[i] ); + double paramSize = myLast[iE] - myFirst[iE]; + double r = myNormPar[iE] - prevNormPar; + helper.SetSubShape( myEdge[iE] ); helper.ToFixNodeParameters( true ); - while ( nItr->more() ) + for ( size_t i = 0; i < nodes.size(); ++i ) { - const SMDS_MeshNode* node = nItr->next(); - if ( myIgnoreMediumNodes && SMESH_MeshEditor::IsMedium( node, SMDSAbs_Edge )) - continue; - double u = helper.GetNodeU( myEdge[i], node, 0, ¶mOK ); - + double u = helper.GetNodeU( myEdge[iE], nodes[i], 0, ¶mOK ); // paramSize is signed so orientation is taken into account - double normPar = prevNormPar + r * ( u - myFirst[i] ) / paramSize; - u2node.insert( u2node.end(), make_pair( normPar, node )); + double normPar = prevNormPar + r * ( u - myFirst[iE] ) / paramSize; + u2node.insert( u2node.end(), make_pair( normPar, nodes[i] )); } } - // Put 2nd vertex node for a last edge - if ( i+1 == myEdge.size() ) { - node = SMESH_Algo::VertexNode( VV[1], meshDS ); - if ( !node ) { + } // loop on myEdges + + if ( u2node.empty() ) return resultNodes; + + // Add 2nd vertex node for a last EDGE + { + const SMDS_MeshNode* node; + if ( IsClosed() && theEdgeInd < 0 ) + node = u2node.begin()->second; + else + { + node = VertexNode( iE ); + while ( !node && iE > 0 ) + node = VertexNode( --iE ); + if ( !node ) return resultNodes; - } - u2node.insert( u2node.end(), make_pair( 1., node )); } + if ( u2node.rbegin()->second == node ) + u2node.erase( --u2node.end() ); + u2node.insert( u2node.end(), make_pair( 1., node )); } // Fill the result vector @@ -658,6 +686,135 @@ std::vector StdMeshers_FaceSide::GetOrderedNodes() const return resultNodes; } +//================================================================================ +/*! + * \brief Return (unsorted) nodes of the i-th EDGE. + * Nodes moved to other geometry by MergeNodes() are also returned. + * \retval bool - is OK + */ +//================================================================================ + +bool StdMeshers_FaceSide::GetEdgeNodes(size_t i, + vector& nodes, + bool inlude1stVertex, + bool inludeLastVertex) const +{ + if ( i >= myEdge.size() ) + return false; + + SMESH_Mesh* mesh = myProxyMesh->GetMesh(); + SMESHDS_Mesh* meshDS = mesh->GetMeshDS(); + SMESHDS_SubMesh* sm = meshDS->MeshElements( myEdge[i] ); + + if ( inlude1stVertex ) + { + const SMDS_MeshNode* n0 = VertexNode( i ); + if ( !n0 ) return false; + nodes.push_back( n0 ); + } + + if ( sm && ( sm->NbElements() > 0 || sm->NbNodes() > 0 )) + { + if ( mesh->HasModificationsToDiscard() ) // check nb of nodes on the EDGE sub-mesh + { + int iQuad = sm->GetElements()->next()->IsQuadratic(); + int nbExpect = sm->NbElements() - 1 + iQuad * sm->NbElements(); + if ( nbExpect != sm->NbNodes() ) // some nodes are moved from the EDGE by MergeNodes() + { + // add nodes of all segments + typedef set< const SMDS_MeshNode* > TNodeSet; + TNodeSet sharedNodes; + SMDS_ElemIteratorPtr segIt = sm->GetElements(); + while ( segIt->more() ) + { + const SMDS_MeshElement* seg = segIt->next(); + if ( seg->GetType() != SMDSAbs_Edge ) + continue; + for ( int i = 0; i < 3-myIgnoreMediumNodes; ++i ) + { + const SMDS_MeshNode* n = seg->GetNode( i ); + if ( i == 2 ) // medium node + { + nodes.push_back( n ); + } + else + { + pair it2new = sharedNodes.insert( n ); + if ( !it2new.second ) // n encounters twice == it's on EDGE, not on VERTEX + { + nodes.push_back( n ); + sharedNodes.erase( it2new.first ); + } + } + } + } + } + } + if ( nodes.size() < 2 ) // add nodes assigned to the EDGE + { + SMDS_NodeIteratorPtr nItr = sm->GetNodes(); + while ( nItr->more() ) + { + const SMDS_MeshNode* n = nItr->next(); + if ( myIgnoreMediumNodes && SMESH_MeshEditor::IsMedium( n, SMDSAbs_Edge )) + continue; + nodes.push_back( n ); + } + } + } // if ( sm && sm->NbElements() > 0 ) + + if ( inludeLastVertex ) + { + const SMDS_MeshNode* n1 = VertexNode( i+1 ); + if ( !n1 ) return false; + nodes.push_back( n1 ); + } + return true; +} + +//================================================================================ +/*! + * \brief Return a node from the i-th VERTEX (count starts from zero) + * Nodes moved to other geometry by MergeNodes() are also returned. + * \param [in] i - the VERTEX index + * \param [out] isMoved - returns \c true if the found node is moved by MergeNodes() + * \return const SMDS_MeshNode* - the found node + */ +//================================================================================ + +const SMDS_MeshNode* StdMeshers_FaceSide::VertexNode(std::size_t i, bool* isMoved) const +{ + TopoDS_Vertex V = ( i >= myEdge.size() ) ? LastVertex() : FirstVertex(i); + + const SMDS_MeshNode* n = SMESH_Algo::VertexNode( V, myProxyMesh->GetMeshDS() ); + + if ( !n && !myEdge.empty() && myProxyMesh->GetMesh()->HasModificationsToDiscard() ) + { + size_t iE = ( i < myEdge.size() ) ? i : myEdge.size()-1; + SMESHDS_SubMesh* sm = myProxyMesh->GetMeshDS()->MeshElements( myEdgeID[ iE ]); + + n = SMESH_Algo::VertexNode( V, sm, myProxyMesh->GetMesh(), /*checkV=*/false ); + + if (( !n ) && + (( i > 0 && i < NbEdges() ) || IsClosed() )) + { + iE = SMESH_MesherHelper::WrapIndex( int(i)-1, NbEdges() ); + sm = myProxyMesh->GetMeshDS()->MeshElements( myEdgeID[ iE ]); + n = SMESH_Algo::VertexNode( V, sm, myProxyMesh->GetMesh(), /*checkV=*/false ); + } + + if ( n && n->GetPosition()->GetDim() == 1 ) // check that n does not lie on an EDGE of myFace + { + TopoDS_Shape S = SMESH_MesherHelper::GetSubShapeByNode( n, myProxyMesh->GetMeshDS() ); + if ( SMESH_MesherHelper::IsSubShape( S, myFace )) + n = 0; // VERTEX ignored by e.g. Composite Wire Discretization algo + } + if ( isMoved ) + *isMoved = n; + } + return n; +} + //================================================================================ /*! * \brief reverse order of vector elements @@ -667,8 +824,7 @@ std::vector StdMeshers_FaceSide::GetOrderedNodes() const template void reverse(vector & vec) { - for ( int f=0, r=vec.size()-1; f < r; ++f, --r ) - std::swap( vec[f], vec[r] ); + std::reverse( vec.begin(), vec.end() ); } //================================================================================ @@ -790,28 +946,29 @@ int StdMeshers_FaceSide::NbPoints(const bool update) const for ( int i = 0; i < NbEdges(); ++i ) { - TopoDS_Vertex v1 = SMESH_MesherHelper::IthVertex( 0, myEdge[i] ); - if ( SMESH_Algo::VertexNode( v1, myProxyMesh->GetMeshDS() )) - me->myNbPonits += 1; // for the first end - else - me->myMissingVertexNodes = true; - if ( const SMESHDS_SubMesh* sm = myProxyMesh->GetSubMesh( Edge(i) )) { int nbN = sm->NbNodes(); - if ( myIgnoreMediumNodes ) { - SMDS_ElemIteratorPtr elemIt = sm->GetElements(); - if ( elemIt->more() && elemIt->next()->IsQuadratic() ) - nbN -= sm->NbElements(); + if ( sm->NbElements() > 0 ) { + nbN = sm->NbElements() - 1; // nodes can be moved to other shapes by MergeNodes() + if ( !myIgnoreMediumNodes && + sm->GetElements()->next()->IsQuadratic() ) + nbN += sm->NbElements(); } me->myNbPonits += nbN; me->myNbSegments += sm->NbElements(); } } - TopoDS_Vertex v1 = SMESH_MesherHelper::IthVertex( 1, Edge( NbEdges()-1 )); - if ( SMESH_Algo::VertexNode( v1, myProxyMesh->GetMeshDS() )) - me->myNbPonits++; // for the last end - else - me->myMissingVertexNodes = true; + + std::set< const SMDS_MeshNode* > vNodes; + for ( int i = 0; i <= NbEdges(); ++i ) + if ( const SMDS_MeshNode* n = VertexNode( i )) + vNodes.insert( n ); + else + me->myMissingVertexNodes = true; + me->myNbPonits += vNodes.size(); + + if ( IsClosed() ) + me->myNbPonits++; // closing node is repeated } return myNbPonits; } @@ -928,7 +1085,7 @@ BRepAdaptor_CompCurve* StdMeshers_FaceSide::GetCurve3d() const for ( int i=0; i GetOrderedNodes() const; + std::vector GetOrderedNodes(int iE=-1) const; + + /*! + * \brief Return nodes of the i-th EDGE. + * Nodes moved to other geometry by MergeNodes() are also returned. + * \retval bool - is OK + */ + bool GetEdgeNodes(const size_t i, + std::vector& nodes, + bool inlude1stVertex=true, + bool inludeLastVertex=true) const; + + /*! + * \brief Return a node from the i-th VERTEX (count starts from zero) + * Nodes moved to other geometry by MergeNodes() are also returned. + */ + const SMDS_MeshNode* VertexNode(std::size_t i, bool* isMoved = 0) const; /*! * \brief Return edge and parameter on edge by normalized parameter @@ -229,13 +246,17 @@ public: */ const std::vector& Edges() const { return myEdge; } /*! - * \brief Return 1st vertex of the i-the edge (count starts from zero) + * \brief Return 1st vertex of the i-th edge (count starts from zero) */ TopoDS_Vertex FirstVertex(int i=0) const; /*! - * \brief Return last vertex of the i-the edge (count starts from zero) + * \brief Return last vertex of the i-th edge (count starts from zero) */ TopoDS_Vertex LastVertex(int i=-1) const; + /*! + * \brief Return \c true if the chain of EDGEs is closed + */ + bool IsClosed() const; /*! * \brief Return side length */ @@ -258,20 +279,20 @@ public: */ inline Handle(Geom2d_Curve) Curve2d(int i) const; /*! - * \brief Return first normalized parameter of the i-the edge (count starts from zero) + * \brief Return first normalized parameter of the i-th edge (count starts from zero) */ inline double FirstParameter(int i) const; /*! - * \brief Return last normalized parameter of the i-the edge (count starts from zero) + * \brief Return last normalized parameter of the i-th edge (count starts from zero) */ inline double LastParameter(int i) const; /*! - * \brief Return first parameter of the i-the edge (count starts from zero). + * \brief Return first parameter of the i-th edge (count starts from zero). * EDGE orientation is taken into account */ inline double FirstU(int i) const; /*! - * \brief Return last parameter of the i-the edge (count starts from zero). + * \brief Return last parameter of the i-th edge (count starts from zero). * EDGE orientation is taken into account */ inline double LastU(int i) const; @@ -289,6 +310,7 @@ protected: void reverseProxySubmesh( const TopoDS_Edge& E ); // DON't FORGET to update Reverse() when adding one more vector! + TopoDS_Face myFace; std::vector myPoints, myFalsePoints; std::vector myEdge; std::vector myEdgeID; @@ -340,7 +362,7 @@ inline double StdMeshers_FaceSide::Parameter(double U, TopoDS_Edge & edge) const //================================================================================ /*! - * \brief Return first normalized parameter of the i-the edge + * \brief Return first normalized parameter of the i-th edge */ //================================================================================ @@ -351,7 +373,7 @@ inline double StdMeshers_FaceSide::FirstParameter(int i) const //================================================================================ /*! - * \brief Return ast normalized parameter of the i-the edge + * \brief Return ast normalized parameter of the i-th edge */ //================================================================================ @@ -362,7 +384,7 @@ inline double StdMeshers_FaceSide::LastParameter(int i) const //================================================================================ /*! - * \brief Return first parameter of the i-the edge + * \brief Return first parameter of the i-th edge */ //================================================================================ @@ -373,7 +395,7 @@ inline double StdMeshers_FaceSide::FirstU(int i) const //================================================================================ /*! - * \brief Return last parameter of the i-the edge + * \brief Return last parameter of the i-th edge */ //================================================================================ diff --git a/src/StdMeshers/StdMeshers_Projection_2D.cxx b/src/StdMeshers/StdMeshers_Projection_2D.cxx index 44e7c115c..d038ded9f 100644 --- a/src/StdMeshers/StdMeshers_Projection_2D.cxx +++ b/src/StdMeshers/StdMeshers_Projection_2D.cxx @@ -441,32 +441,7 @@ namespace { tgtWires.resize( srcWires.size() ); for ( size_t iW = 0; iW < srcWires.size(); ++iW ) { - // check ori - //bool reverse = false; StdMeshers_FaceSidePtr srcWire = srcWires[iW]; - // for ( int iE = 0; iE < srcWire->NbEdges(); ++iE ) - // { - // if ( srcHelper.IsRealSeam( srcWire->EdgeID( iE ))) - // continue; - // TopoDS_Shape srcE = srcWire->Edge( iE ); - // TopoDS_Shape tgtE = shape2ShapeMap( srcE, /*isSrc=*/true); - // if ( shape2ShapeMap._assocType == TShapeShapeMap::PROPAGATION || - // shape2ShapeMap._assocType == TShapeShapeMap::PROPAGATION) - // { - // reverse = false; - // } - // else if ( tgtMesh == srcMesh ) - // { - // reverse = (( srcE.Orientation() == srcHelper.GetSubShapeOri( srcFace, srcE )) != - // ( tgtE.Orientation() == srcHelper.GetSubShapeOri( tgtFace, tgtE ))); - // } - // else - // { - // TopoDS_Shape srcEbis = shape2ShapeMap( tgtE, /*isSrc=*/false ); - // reverse = ( srcE.Orientation() != srcEbis.Orientation() ); - // } - // break; - // } list< TopoDS_Edge > tgtEdges; TopTools_IndexedMapOfShape edgeMap; // to detect seam edges @@ -476,7 +451,6 @@ namespace { TopoDS_Edge tgtE = TopoDS::Edge( shape2ShapeMap( srcE, /*isSrc=*/true)); TopoDS_Shape srcEbis = shape2ShapeMap( tgtE, /*isSrc=*/false ); if ( srcE.Orientation() != srcEbis.Orientation() ) - //if ( reverse ) tgtE.Reverse(); // reverse a seam edge encountered for the second time const int index = edgeMap.Add( tgtE ); @@ -504,56 +478,58 @@ namespace { tgtE = nE.second; } tgtEdges.push_back( tgtE ); + } + tgtWires[ iW ].reset( new StdMeshers_FaceSide( tgtFace, tgtEdges, tgtMesh, + /*theIsForward = */ true, + /*theIgnoreMediumNodes = */false)); + StdMeshers_FaceSidePtr tgtWire = tgtWires[ iW ]; - // Fill map of src to tgt nodes with nodes on edges + // Fill map of src to tgt nodes with nodes on edges - if ( srcMesh->GetSubMesh( srcE )->IsEmpty() || - tgtMesh->GetSubMesh( tgtE )->IsEmpty() ) + for ( int iE = 0; iE < srcWire->NbEdges(); ++iE ) + { + if ( srcMesh->GetSubMesh( srcWire->Edge(iE) )->IsEmpty() || + tgtMesh->GetSubMesh( tgtWire->Edge(iE) )->IsEmpty() ) { // add nodes on VERTEXes for a case of not meshes EDGEs - const TopoDS_Shape& srcV = SMESH_MesherHelper::IthVertex( 0, srcE ); - const TopoDS_Shape& tgtV = shape2ShapeMap( srcV, /*isSrc=*/true ); - const SMDS_MeshNode* srcN = SMESH_Algo::VertexNode( TopoDS::Vertex( srcV ), srcMeshDS ); - const SMDS_MeshNode* tgtN = SMESH_Algo::VertexNode( TopoDS::Vertex( tgtV ), tgtMeshDS ); + const SMDS_MeshNode* srcN = srcWire->VertexNode( iE ); + const SMDS_MeshNode* tgtN = tgtWire->VertexNode( iE ); if ( srcN && tgtN ) src2tgtNodes.insert( make_pair( srcN, tgtN )); } else { - const bool skipMediumNodes = true; - map< double, const SMDS_MeshNode* > srcNodes, tgtNodes; - if ( !SMESH_Algo::GetSortedNodesOnEdge( srcMeshDS, srcE, skipMediumNodes, srcNodes) || - !SMESH_Algo::GetSortedNodesOnEdge( tgtMeshDS, tgtE, skipMediumNodes, tgtNodes )) - return SMESH_ComputeError::New( COMPERR_BAD_INPUT_MESH, - "Invalid node parameters on edges"); + const bool skipMedium = true, isFwd = true; + StdMeshers_FaceSide srcEdge( srcFace, srcWire->Edge(iE), srcMesh, isFwd, skipMedium); + StdMeshers_FaceSide tgtEdge( tgtFace, tgtWire->Edge(iE), tgtMesh, isFwd, skipMedium); + + vector< const SMDS_MeshNode* > srcNodes = srcEdge.GetOrderedNodes(); + vector< const SMDS_MeshNode* > tgtNodes = tgtEdge.GetOrderedNodes(); if (( srcNodes.size() != tgtNodes.size() ) && tgtNodes.size() > 0 ) return SMESH_ComputeError::New( COMPERR_BAD_INPUT_MESH, "Different number of nodes on edges"); if ( !tgtNodes.empty() ) { - map< double, const SMDS_MeshNode* >::iterator u_tn = tgtNodes.begin(); - if ( srcE.Orientation() == tgtE.Orientation() ) + vector< const SMDS_MeshNode* >::iterator tn = tgtNodes.begin(); + if ( srcWire->Edge(iE).Orientation() == tgtWire->Edge(iE).Orientation() ) { - map< double, const SMDS_MeshNode* >::iterator u_sn = srcNodes.begin(); - for ( ; u_tn != tgtNodes.end(); ++u_tn, ++u_sn) - src2tgtNodes.insert( make_pair( u_sn->second, u_tn->second )); + vector< const SMDS_MeshNode* >::iterator sn = srcNodes.begin(); + for ( ; tn != tgtNodes.end(); ++tn, ++sn) + src2tgtNodes.insert( make_pair( *sn, *tn )); } else { - map< double, const SMDS_MeshNode* >::reverse_iterator u_sn = srcNodes.rbegin(); - for ( ; u_tn != tgtNodes.end(); ++u_tn, ++u_sn) - src2tgtNodes.insert( make_pair( u_sn->second, u_tn->second )); + vector< const SMDS_MeshNode* >::reverse_iterator sn = srcNodes.rbegin(); + for ( ; tn != tgtNodes.end(); ++tn, ++sn) + src2tgtNodes.insert( make_pair( *sn, *tn )); } is1DComputed = true; } } } // loop on EDGEs of a WIRE - tgtWires[ iW ].reset( new StdMeshers_FaceSide( tgtFace, tgtEdges, tgtMesh, - /*theIsForward = */ true, - /*theIgnoreMediumNodes = */false)); } // loop on WIREs return TError(); @@ -670,7 +646,7 @@ namespace { // Make new faces // prepare the helper to adding quadratic elements if necessary - helper.SetSubShape( tgtFace ); + //helper.SetSubShape( tgtFace ); helper.IsQuadraticSubMesh( tgtFace ); SMESHDS_SubMesh* srcSubDS = srcMeshDS->MeshElements( srcFace ); diff --git a/src/StdMeshers/StdMeshers_Quadrangle_2D.cxx b/src/StdMeshers/StdMeshers_Quadrangle_2D.cxx index 0e35c560e..30c91c4cd 100644 --- a/src/StdMeshers/StdMeshers_Quadrangle_2D.cxx +++ b/src/StdMeshers/StdMeshers_Quadrangle_2D.cxx @@ -609,7 +609,7 @@ bool StdMeshers_Quadrangle_2D::computeQuadDominant(SMESH_Mesh& aMesh, int g = nbhoriz - 1; // last processed node in the regular grid ilow = 0; - iup = nbhoriz - 1; + iup = nbhoriz - 1; int stop = 0; if ( quad->side[3].grid->Edge(0).IsNull() ) // left side is simulated one @@ -667,7 +667,7 @@ bool StdMeshers_Quadrangle_2D::computeQuadDominant(SMESH_Mesh& aMesh, for ( ; i > stop; i--) { a = uv_e2[i].node; b = uv_e2[i - 1].node; - gp_Pnt pb (b->X(), b->Y(), b->Z()); + gp_Pnt pb = SMESH_TNodeXYZ( b ); // find node c in the grid, which will be linked with node b int near = g; @@ -683,7 +683,7 @@ bool StdMeshers_Quadrangle_2D::computeQuadDominant(SMESH_Mesh& aMesh, nk = uv_e1[nbright - 2].node; else nk = quad->uv_grid[nbhoriz*(nbvertic - 2) + k].node; - gp_Pnt pnk (nk->X(), nk->Y(), nk->Z()); + gp_Pnt pnk = SMESH_TNodeXYZ( nk ); double dist = pb.Distance(pnk); if (dist < mind - eps) { c = nk; @@ -4227,10 +4227,11 @@ int StdMeshers_Quadrangle_2D::getCorners(const TopoDS_Face& theFace, theNbDegenEdges = 0; SMESH_MesherHelper helper( theMesh ); + StdMeshers_FaceSide faceSide( theFace, theWire, &theMesh, /*isFwd=*/true, /*skipMedium=*/true); // sort theVertices by angle multimap vertexByAngle; - TopTools_DataMapOfShapeReal angleByVertex; + TopTools_DataMapOfShapeReal angleByVertex; TopoDS_Edge prevE = theWire.back(); if ( SMESH_Algo::isDegenerated( prevE )) { @@ -4242,17 +4243,17 @@ int StdMeshers_Quadrangle_2D::getCorners(const TopoDS_Face& theFace, prevE = *edge; } list::iterator edge = theWire.begin(); - for ( ; edge != theWire.end(); ++edge ) + for ( int iE = 0; edge != theWire.end(); ++edge, ++iE ) { if ( SMESH_Algo::isDegenerated( *edge )) { ++theNbDegenEdges; continue; } - TopoDS_Vertex v = helper.IthVertex( 0, *edge ); - if ( !theConsiderMesh || SMESH_Algo::VertexNode( v, helper.GetMeshDS() )) + if ( !theConsiderMesh || faceSide.VertexNode( iE )) { - double angle = SMESH_MesherHelper::GetAngle( prevE, *edge, theFace, v ); + TopoDS_Vertex v = helper.IthVertex( 0, *edge ); + double angle = SMESH_MesherHelper::GetAngle( prevE, *edge, theFace, v ); vertexByAngle.insert( make_pair( angle, v )); angleByVertex.Bind( v, angle ); } @@ -4271,6 +4272,14 @@ int StdMeshers_Quadrangle_2D::getCorners(const TopoDS_Face& theFace, triaVertex.Nullify(); // check nb of available corners + if ( faceSide.NbEdges() < nbCorners ) + return error(COMPERR_BAD_SHAPE, + TComm("Face must have 4 sides but not ") << faceSide.NbEdges() ); + + const int nbSegments = Max( faceSide.NbPoints()-1, faceSide.NbSegments() ); + if ( nbSegments < nbCorners ) + return error(COMPERR_BAD_INPUT_MESH, TComm("Too few boundary nodes: ") << nbSegments); + if ( nbCorners == 3 ) { if ( vertexByAngle.size() < 3 ) diff --git a/src/StdMeshers/StdMeshers_RadialQuadrangle_1D2D.cxx b/src/StdMeshers/StdMeshers_RadialQuadrangle_1D2D.cxx index 6a2f5df17..aa0c542d4 100644 --- a/src/StdMeshers/StdMeshers_RadialQuadrangle_1D2D.cxx +++ b/src/StdMeshers/StdMeshers_RadialQuadrangle_1D2D.cxx @@ -436,7 +436,7 @@ bool StdMeshers_RadialQuadrangle_1D2D::Compute(SMESH_Mesh& aMesh, TopoDS_Edge CircEdge, LinEdge1, LinEdge2; int nbe = analyseFace( aShape, CircEdge, LinEdge1, LinEdge2 ); Handle(Geom_Circle) aCirc = Handle(Geom_Circle)::DownCast( getCurve( CircEdge )); - if( nbe>3 || nbe < 1 || aCirc.IsNull() ) + if( nbe > 3 || nbe < 1 || aCirc.IsNull() ) return error("The face must be a full circle or a part of circle (i.e. the number " "of edges is less or equal to 3 and one of them is a circle curve)"); -- 2.39.2