From 568e93f218ef5e20630b000223e85295f54562c1 Mon Sep 17 00:00:00 2001 From: eap Date: Wed, 6 Dec 2006 16:13:37 +0000 Subject: [PATCH] PAL13473 (Build repetitive mesh): add some methods --- src/SMESH/SMESH_MesherHelper.cxx | 351 ++++++++++++++++++++++++++++--- src/SMESH/SMESH_MesherHelper.hxx | 119 ++++++++++- src/SMESH/SMESH_Pattern.hxx | 17 +- 3 files changed, 452 insertions(+), 35 deletions(-) diff --git a/src/SMESH/SMESH_MesherHelper.cxx b/src/SMESH/SMESH_MesherHelper.cxx index fd0a0dcfb..c3e420317 100644 --- a/src/SMESH/SMESH_MesherHelper.cxx +++ b/src/SMESH/SMESH_MesherHelper.cxx @@ -40,6 +40,10 @@ #include #include +#include + +#define RETURN_BAD_RESULT(msg) { MESSAGE(msg); return false; } + //======================================================================= //function : CheckShape //purpose : @@ -47,7 +51,7 @@ bool SMESH_MesherHelper::IsQuadraticSubMesh(const TopoDS_Shape& aSh) { - SMESHDS_Mesh* meshDS = GetMesh()->GetMeshDS(); + SMESHDS_Mesh* meshDS = GetMeshDS(); // we can create quadratic elements only if all elements // created on subshapes of given shape are quadratic // also we have to fill myNLinkNodeMap @@ -94,9 +98,8 @@ bool SMESH_MesherHelper::IsQuadraticSubMesh(const TopoDS_Shape& aSh) if(!myCreateQuadratic) { myNLinkNodeMap.clear(); } - else { - SetSubShape( aSh ); - } + SetSubShape( aSh ); + return myCreateQuadratic; } @@ -126,7 +129,7 @@ void SMESH_MesherHelper::SetSubShape(const int aShID) void SMESH_MesherHelper::SetSubShape(const TopoDS_Shape& aSh) { - if ( !myShape.IsNull() && !aSh.IsNull() && myShape.IsSame( aSh )) + if ( myShape.IsSame( aSh )) return; myShape = aSh; @@ -136,13 +139,13 @@ void SMESH_MesherHelper::SetSubShape(const TopoDS_Shape& aSh) myShapeID = -1; return; } - SMESHDS_Mesh* meshDS = GetMesh()->GetMeshDS(); + SMESHDS_Mesh* meshDS = GetMeshDS(); myShapeID = meshDS->ShapeToIndex(aSh); // treatment of periodic faces - if ( aSh.ShapeType() == TopAbs_FACE ) + for ( TopExp_Explorer eF( aSh, TopAbs_FACE ); eF.More(); eF.Next() ) { - const TopoDS_Face& face = TopoDS::Face( aSh ); + const TopoDS_Face& face = TopoDS::Face( eF.Current() ); BRepAdaptor_Surface surface( face ); if ( surface.IsUPeriodic() || surface.IsVPeriodic() ) { @@ -261,17 +264,19 @@ gp_Pnt2d SMESH_MesherHelper::GetUVOnSeam( const gp_Pnt2d& uv1, const gp_Pnt2d& u gp_XY SMESH_MesherHelper::GetNodeUV(const TopoDS_Face& F, const SMDS_MeshNode* n, - const SMDS_MeshNode* n2) + const SMDS_MeshNode* n2) const { - gp_Pnt2d uv; + gp_Pnt2d uv( 1e100, 1e100 ); const SMDS_PositionPtr Pos = n->GetPosition(); - if(Pos->GetTypeOfPosition()==SMDS_TOP_FACE) { + if(Pos->GetTypeOfPosition()==SMDS_TOP_FACE) + { // node has position on face const SMDS_FacePosition* fpos = static_cast(n->GetPosition().get()); uv = gp_Pnt2d(fpos->GetUParameter(),fpos->GetVParameter()); } - else if(Pos->GetTypeOfPosition()==SMDS_TOP_EDGE) { + else if(Pos->GetTypeOfPosition()==SMDS_TOP_EDGE) + { // node has position on edge => it is needed to find // corresponding edge from face, get pcurve for this // edge and recieve value from this pcurve @@ -288,10 +293,10 @@ gp_XY SMESH_MesherHelper::GetNodeUV(const TopoDS_Face& F, if ( n2 && mySeamShapeIds.find( edgeID ) != mySeamShapeIds.end() ) uv = GetUVOnSeam( uv, GetNodeUV( F, n2, 0 )); } - else if(Pos->GetTypeOfPosition()==SMDS_TOP_VERTEX) { - SMESHDS_Mesh * meshDS = GetMesh()->GetMeshDS(); + else if(Pos->GetTypeOfPosition()==SMDS_TOP_VERTEX) + { int vertexID = n->GetPosition()->GetShapeId(); - const TopoDS_Vertex& V = TopoDS::Vertex(meshDS->IndexToShape(vertexID)); + const TopoDS_Vertex& V = TopoDS::Vertex(GetMeshDS()->IndexToShape(vertexID)); uv = BRep_Tool::Parameters( V, F ); if ( n2 && mySeamShapeIds.find( vertexID ) != mySeamShapeIds.end() ) uv = GetUVOnSeam( uv, GetNodeUV( F, n2, 0 )); @@ -350,7 +355,7 @@ const SMDS_MeshNode* SMESH_MesherHelper::GetMediumNode(const SMDS_MeshNode* n1, else { // create medium node SMDS_MeshNode* n12; - SMESHDS_Mesh* meshDS = GetMesh()->GetMeshDS(); + SMESHDS_Mesh* meshDS = GetMeshDS(); int faceID = -1, edgeID = -1; const SMDS_PositionPtr Pos1 = n1->GetPosition(); const SMDS_PositionPtr Pos2 = n2->GetPosition(); @@ -606,14 +611,12 @@ SMDS_MeshVolume* SMESH_MesherHelper::AddVolume(const SMDS_MeshNode* n1, n12, n23, n31, n45, n56, n64, n14, n25, n36); } - -//======================================================================= -//function : AddVolume -//purpose : //======================================================================= /*! * Special function for creation quadratic volume */ +//======================================================================= + SMDS_MeshVolume* SMESH_MesherHelper::AddVolume(const SMDS_MeshNode* n1, const SMDS_MeshNode* n2, const SMDS_MeshNode* n3, @@ -643,14 +646,54 @@ SMDS_MeshVolume* SMESH_MesherHelper::AddVolume(const SMDS_MeshNode* n1, return meshDS->AddVolume(n1, n2, n3, n4, n12, n23, n31, n14, n24, n34); } - //======================================================================= -//function : AddVolume -//purpose : +/*! + * Special function for creation quadratic pyramid + */ +//======================================================================= + +SMDS_MeshVolume* SMESH_MesherHelper::AddVolume(const SMDS_MeshNode* n1, + const SMDS_MeshNode* n2, + const SMDS_MeshNode* n3, + const SMDS_MeshNode* n4, + const SMDS_MeshNode* n5, + const int id, + const bool force3d) +{ + if(!myCreateQuadratic) { + if(id) + return GetMeshDS()->AddVolumeWithID(n1, n2, n3, n4, n5, id); + else + return GetMeshDS()->AddVolume(n1, n2, n3, n4, n5); + } + + const SMDS_MeshNode* n12 = GetMediumNode(n1,n2,force3d); + const SMDS_MeshNode* n23 = GetMediumNode(n2,n3,force3d); + const SMDS_MeshNode* n34 = GetMediumNode(n3,n4,force3d); + const SMDS_MeshNode* n41 = GetMediumNode(n4,n1,force3d); + + const SMDS_MeshNode* n15 = GetMediumNode(n1,n5,force3d); + const SMDS_MeshNode* n25 = GetMediumNode(n2,n5,force3d); + const SMDS_MeshNode* n35 = GetMediumNode(n3,n5,force3d); + const SMDS_MeshNode* n45 = GetMediumNode(n4,n5,force3d); + + if(id) + return GetMeshDS()->AddVolumeWithID ( n1, n2, n3, n4, n5, + n12, n23, n34, n41, + n15, n25, n35, n45, + id); + else + return GetMeshDS()->AddVolume( n1, n2, n3, n4, n5, + n12, n23, n34, n41, + n15, n25, n35, n45); +} + //======================================================================= /*! - * Special function for creation quadratic volume + * Special function for creation of quadratic hexahedron */ +//======================================================================= + SMDS_MeshVolume* SMESH_MesherHelper::AddVolume(const SMDS_MeshNode* n1, const SMDS_MeshNode* n2, const SMDS_MeshNode* n3, @@ -695,4 +738,264 @@ SMDS_MeshVolume* SMESH_MesherHelper::AddVolume(const SMDS_MeshNode* n1, n78, n85, n15, n26, n37, n48); } +//======================================================================= + /*! + * \brief Load nodes bound to face into a map of node columns + * \param theParam2ColumnMap - map of node columns to fill + * \param theFace - the face on which nodes are searched for + * \param theBaseEdge - the edge nodes of which are columns' bases + * \param theMesh - the mesh containing nodes + * \retval bool - false if something is wrong + * + * The key of the map is a normalized parameter of each + * base node on theBaseEdge. + * This method works in supposition that nodes on the face + * forms a rectangular grid and elements can be quardrangles or triangles + */ +//======================================================================= + +bool SMESH_MesherHelper::LoadNodeColumns(TParam2ColumnMap & theParam2ColumnMap, + const TopoDS_Face& theFace, + const TopoDS_Edge& theBaseEdge, + SMESHDS_Mesh* theMesh) +{ + // get vertices of theBaseEdge + TopoDS_Vertex vfb, vlb, vft; // first and last, bottom and top vertices + TopoDS_Edge eFrw = TopoDS::Edge( theBaseEdge.Oriented( TopAbs_FORWARD )); + TopExp::Vertices( eFrw, vfb, vlb ); + + // find the other edges of theFace and orientation of e1 + TopoDS_Edge e1, e2, eTop; + bool rev1, CumOri = false; + TopExp_Explorer exp( theFace, TopAbs_EDGE ); + int nbEdges = 0; + for ( ; exp.More(); exp.Next() ) { + if ( ++nbEdges > 4 ) { + return false; // more than 4 edges in theFace + } + TopoDS_Edge e = TopoDS::Edge( exp.Current() ); + if ( theBaseEdge.IsSame( e )) + continue; + TopoDS_Vertex vCommon; + if ( !TopExp::CommonVertex( theBaseEdge, e, vCommon )) + eTop = e; + else if ( vCommon.IsSame( vfb )) { + e1 = e; + vft = TopExp::LastVertex( e1, CumOri ); + rev1 = vfb.IsSame( vft ); + if ( rev1 ) + vft = TopExp::FirstVertex( e1, CumOri ); + } + else + e2 = e; + } + if ( nbEdges < 4 ) { + return false; // less than 4 edges in theFace + } + if ( e2.IsNull() && vfb.IsSame( vlb )) + e2 = e1; + + // submeshes corresponding to shapes + SMESHDS_SubMesh* smFace = theMesh->MeshElements( theFace ); + SMESHDS_SubMesh* smb = theMesh->MeshElements( theBaseEdge ); + SMESHDS_SubMesh* smt = theMesh->MeshElements( eTop ); + SMESHDS_SubMesh* sm1 = theMesh->MeshElements( e1 ); + SMESHDS_SubMesh* sm2 = theMesh->MeshElements( e2 ); + SMESHDS_SubMesh* smVfb = theMesh->MeshElements( vfb ); + SMESHDS_SubMesh* smVlb = theMesh->MeshElements( vlb ); + SMESHDS_SubMesh* smVft = theMesh->MeshElements( vft ); + if (!smFace || !smb || !smt || !sm1 || !sm2 || !smVfb || !smVlb || !smVft ) { + RETURN_BAD_RESULT( "NULL submesh " <NbNodes() != smt->NbNodes() || sm1->NbNodes() != sm2->NbNodes() ) { + RETURN_BAD_RESULT(" Diff nb of nodes on opposite edges" ); + } + if (smVfb->NbNodes() != 1 || smVlb->NbNodes() != 1 || smVft->NbNodes() != 1) { + RETURN_BAD_RESULT("Empty submesh of vertex"); + } + // define whether mesh is quadratic + bool isQuadraticMesh = false; + SMDS_ElemIteratorPtr eIt = smFace->GetElements(); + if ( !eIt->more() ) { + RETURN_BAD_RESULT("No elements on the face"); + } + const SMDS_MeshElement* e = eIt->next(); + isQuadraticMesh = e->IsQuadratic(); + + if ( sm1->NbNodes() * smb->NbNodes() != smFace->NbNodes() ) { + // check quadratic case + if ( isQuadraticMesh ) { + // what if there are quadrangles and triangles mixed? +// int n1 = sm1->NbNodes()/2; +// int n2 = smb->NbNodes()/2; +// int n3 = sm1->NbNodes() - n1; +// int n4 = smb->NbNodes() - n2; +// int nf = sm1->NbNodes()*smb->NbNodes() - n3*n4; +// if( nf != smFace->NbNodes() ) { +// MESSAGE( "Wrong nb face nodes: " << +// sm1->NbNodes()<<" "<NbNodes()<<" "<NbNodes()); +// return false; +// } + } + else { + RETURN_BAD_RESULT( "Wrong nb face nodes: " << + sm1->NbNodes()<<" "<NbNodes()<<" "<NbNodes()); + } + } + // IJ size + int vsize = sm1->NbNodes() + 2; + int hsize = smb->NbNodes() + 2; + if(isQuadraticMesh) { + vsize = vsize - sm1->NbNodes()/2 -1; + hsize = hsize - smb->NbNodes()/2 -1; + } + + // load nodes from theBaseEdge + + set loadedNodes; + const SMDS_MeshNode* nullNode = 0; + + vector & nVecf = theParam2ColumnMap[ 0.]; + nVecf.resize( vsize, nullNode ); + loadedNodes.insert( nVecf[ 0 ] = smVfb->GetNodes()->next() ); + + vector & nVecl = theParam2ColumnMap[ 1.]; + nVecl.resize( vsize, nullNode ); + loadedNodes.insert( nVecl[ 0 ] = smVlb->GetNodes()->next() ); + + double f, l; + BRep_Tool::Range( eFrw, f, l ); + double range = l - f; + SMDS_NodeIteratorPtr nIt = smb->GetNodes(); + const SMDS_MeshNode* node; + while ( nIt->more() ) { + node = nIt->next(); + if(IsMedium(node)) + continue; + const SMDS_EdgePosition* pos = + dynamic_cast( node->GetPosition().get() ); + if ( !pos ) { + return false; + } + double u = ( pos->GetUParameter() - f ) / range; + vector & nVec = theParam2ColumnMap[ u ]; + nVec.resize( vsize, nullNode ); + loadedNodes.insert( nVec[ 0 ] = node ); + } + if ( theParam2ColumnMap.size() != hsize ) { + RETURN_BAD_RESULT( "Wrong node positions on theBaseEdge" ); + } + + // load nodes from e1 + + map< double, const SMDS_MeshNode*> sortedNodes; // sort by param on edge + nIt = sm1->GetNodes(); + while ( nIt->more() ) { + node = nIt->next(); + if(IsMedium(node)) + continue; + const SMDS_EdgePosition* pos = + dynamic_cast( node->GetPosition().get() ); + if ( !pos ) { + return false; + } + sortedNodes.insert( make_pair( pos->GetUParameter(), node )); + } + loadedNodes.insert( nVecf[ vsize - 1 ] = smVft->GetNodes()->next() ); + map< double, const SMDS_MeshNode*>::iterator u_n = sortedNodes.begin(); + int row = rev1 ? vsize - 1 : 0; + int dRow = rev1 ? -1 : +1; + for ( ; u_n != sortedNodes.end(); u_n++ ) { + row += dRow; + loadedNodes.insert( nVecf[ row ] = u_n->second ); + } + + // try to load the rest nodes + + // get all faces from theFace + map allFaces, foundFaces; + eIt = smFace->GetElements(); + while ( eIt->more() ) { + const SMDS_MeshElement* e = eIt->next(); + if ( e->GetType() == SMDSAbs_Face ) + allFaces.insert( make_pair(e->GetID(),e) ); + } + // Starting from 2 neighbour nodes on theBaseEdge, look for a face + // the nodes belong to, and between the nodes of the found face, + // look for a not loaded node considering this node to be the next + // in a column of the starting second node. Repeat, starting + // from nodes next to the previous starting nodes in their columns, + // and so on while a face can be found. Then go the the next pair + // of nodes on theBaseEdge. + TParam2ColumnMap::iterator par_nVec_1 = theParam2ColumnMap.begin(); + TParam2ColumnMap::iterator par_nVec_2 = par_nVec_1; + // loop on columns + int col = 0; + for ( par_nVec_2++; par_nVec_2 != theParam2ColumnMap.end(); par_nVec_1++, par_nVec_2++ ) { + col++; + row = 0; + const SMDS_MeshNode* n1 = par_nVec_1->second[ row ]; + const SMDS_MeshNode* n2 = par_nVec_2->second[ row ]; + const SMDS_MeshElement* face = 0; + bool lastColOnClosedFace = ( nVecf[ row ] == n2 ); + do { + // look for a face by 2 nodes + face = SMESH_MeshEditor::FindFaceInSet( n1, n2, allFaces, foundFaces ); + if ( face ) { + int nbFaceNodes = face->NbNodes(); + if ( face->IsQuadratic() ) + nbFaceNodes /= 2; + if ( nbFaceNodes>4 ) { + RETURN_BAD_RESULT(" Too many nodes in a face: " << nbFaceNodes ); + } + // look for a not loaded node of the + bool found = false; + const SMDS_MeshNode* n3 = 0; // a node defferent from n1 and n2 + for ( int i = 0; i < nbFaceNodes && !found; ++i ) { + node = face->GetNode( i ); + found = loadedNodes.insert( node ).second; + if ( !found && node != n1 && node != n2 ) + n3 = node; + } + if ( lastColOnClosedFace && row + 1 < vsize ) { + node = nVecf[ row + 1 ]; + found = ( face->GetNodeIndex( node ) >= 0 ); + } + if ( found ) { + if ( ++row > vsize - 1 ) { + RETURN_BAD_RESULT( "Too many nodes in column "<< col <<": "<< row+1); + } + par_nVec_2->second[ row ] = node; + foundFaces.insert( make_pair(face->GetID(),face) ); + n2 = node; + if ( nbFaceNodes==4 ) { + n1 = par_nVec_1->second[ row ]; + } + } + else if ( nbFaceNodes==3 && n3 == par_nVec_1->second[ row + 1 ] ) { + n1 = n3; + } + else { + RETURN_BAD_RESULT( "Not quad mesh, column "<< col ); + } + } + } + while ( face && n1 && n2 ); + + if ( row < vsize - 1 ) { + MESSAGE( "Too few nodes in column "<< col <<": "<< row+1); + MESSAGE( "Base node 1: "<< par_nVec_1->second[0]); + MESSAGE( "Base node 2: "<< par_nVec_2->second[0]); + if ( n1 ) { MESSAGE( "Current node 1: "<< n1); } + else { MESSAGE( "Current node 1: NULL"); } + if ( n2 ) { MESSAGE( "Current node 2: "<< n2); } + else { MESSAGE( "Current node 2: NULL"); } + MESSAGE( "first base node: "<< theParam2ColumnMap.begin()->second[0]); + MESSAGE( "last base node: "<< theParam2ColumnMap.rbegin()->second[0]); + return false; + } + } // loop on columns + return true; +} diff --git a/src/SMESH/SMESH_MesherHelper.hxx b/src/SMESH/SMESH_MesherHelper.hxx index 4ae2101ec..7cb946aad 100644 --- a/src/SMESH/SMESH_MesherHelper.hxx +++ b/src/SMESH/SMESH_MesherHelper.hxx @@ -20,7 +20,6 @@ // File: SMESH_MesherHelper.hxx // Created: 15.02.06 14:48:09 // Author: Sergey KUUL -// Copyright: Open CASCADE 2006 #ifndef SMESH_MesherHelper_HeaderFile @@ -48,17 +47,63 @@ typedef map::iterator ItNLinkNode; * is called. */ +typedef std::vector TNodeColumn; +typedef std::map< double, TNodeColumn > TParam2ColumnMap; + class SMESH_MesherHelper { - public: +public: + // ---------- PUBLIC UTILITIES ---------- + + /*! + * \brief Load nodes bound to face into a map of node columns + * \param theParam2ColumnMap - map of node columns to fill + * \param theFace - the face on which nodes are searched for + * \param theBaseEdge - the edge nodes of which are columns' bases + * \param theMesh - the mesh containing nodes + * \retval bool - false if something is wrong + * + * The key of the map is a normalized parameter of each + * base node on theBaseEdge. + * This method works in supposition that nodes on the face + * forms a rectangular grid and elements can be quardrangles or triangles + */ + static bool LoadNodeColumns(TParam2ColumnMap & theParam2ColumnMap, + const TopoDS_Face& theFace, + const TopoDS_Edge& theBaseEdge, + SMESHDS_Mesh* theMesh); + /*! + * \brief Return support shape of a node + * \param node - the node + * \param meshDS - mesh DS + * \retval TopoDS_Shape - found support shape + */ + static const TopoDS_Shape& GetSubShapeByNode(const SMDS_MeshNode* node, + SMESHDS_Mesh* meshDS) + { return meshDS->IndexToShape( node->GetPosition()->GetShapeId() ); } + + /*! + * \brief Return a valid node index, fixing the given one if necessary + * \param ind - node index + * \param nbNodes - total nb of nodes + * \retval int - valid node index + */ + static int WrapIndex(const int ind, const int nbNodes) { + if ( ind < 0 ) return nbNodes + ind % nbNodes; + if ( ind >= nbNodes ) return ind % nbNodes; + return ind; + } + +public: // ---------- PUBLIC METHODS ---------- /// Empty constructor SMESH_MesherHelper(SMESH_Mesh& theMesh) { myMesh=(void *)&theMesh; myCreateQuadratic = false; myShapeID=-1;} - SMESH_Mesh* GetMesh() const - { return (SMESH_Mesh*)myMesh; } + SMESH_Mesh* GetMesh() const { return (SMESH_Mesh*)myMesh; } + + SMESHDS_Mesh* GetMeshDS() const { return GetMesh()->GetMeshDS(); } /// Copy constructor //Standard_EXPORT SMESH_MesherHelper (const SMESH_MesherHelper& theOther); @@ -113,7 +158,7 @@ class SMESH_MesherHelper */ gp_XY GetNodeUV(const TopoDS_Face& F, const SMDS_MeshNode* n, - const SMDS_MeshNode* inFaceNode=0); + const SMDS_MeshNode* inFaceNode=0) const; /*! * \brief Check if inFaceNode argument is necessary for call GetNodeUV(F,..) @@ -181,6 +226,18 @@ class SMESH_MesherHelper const int id = 0, const bool force3d = true); + + /** + * Special function for creation quadratic pyramid + */ + SMDS_MeshVolume* AddVolume(const SMDS_MeshNode* n1, + const SMDS_MeshNode* n2, + const SMDS_MeshNode* n3, + const SMDS_MeshNode* n4, + const SMDS_MeshNode* n5, + const int id = 0, + const bool force3d = true); + /** * Special function for creation quadratic pentahedron */ @@ -218,6 +275,12 @@ class SMESH_MesherHelper void SetKeyIsQuadratic(const bool theBuildQuadratic) { myCreateQuadratic = theBuildQuadratic; } + /*! + * \brief Return myCreateQuadratic flag + * \retval bool - myCreateQuadratic value + */ + bool GetIsQuadratic() const { return myCreateQuadratic; } + /*! * \brief Set shape to make elements on * \param subShape, subShapeID - shape or its ID (==SMESHDS_Mesh::ShapeToIndex(shape)) @@ -227,10 +290,50 @@ class SMESH_MesherHelper /*! * \brief Return shape or its ID, on which created elements are added - * \retval TopoDS_Shape, int - shape or its ID + * \retval int - shape index in SMESHDS + * + * Shape is set by calling either IsQuadraticSubMesh() or SetSubShape() + */ + int GetSubShapeID() const { return myShapeID; } + /*! + * \brief Return shape or its ID, on which created elements are added + * \retval TopoDS_Shape - shape + * + * Shape is set by calling either IsQuadraticSubMesh() or SetSubShape() + */ + TopoDS_Shape GetSubShape() const { return myShape; } + + /*! + * \brief Check if shape is a seam edge or it's vertex + * \param subShape - edge or vertex index in SMESHDS + * \retval bool - true if subShape is a seam shape + * + * It works only if IsQuadraticSubMesh() or SetSubShape() has been called + */ + bool IsSeamShape(const int subShape) const + { return mySeamShapeIds.find( subShape ) != mySeamShapeIds.end(); } + /*! + * \brief Check if shape is a seam edge or it's vertex + * \param subShape - edge or vertex + * \retval bool - true if subShape is a seam shape + * + * It works only if IsQuadraticSubMesh() or SetSubShape() has been called + */ + bool IsSeamShape(const TopoDS_Shape& subShape) const + { return IsSeamShape( GetMeshDS()->ShapeToIndex( subShape )); } + + /*! + * \brief Check if the shape set through IsQuadraticSubMesh() or SetSubShape() + * has a seam edge + * \retval bool - true if it has + */ + bool HasSeam() const { return !mySeamShapeIds.empty(); } + + /*! + * \brief Return index of periodic parametric direction of a closed face + * \retval int - 1 for U, 2 for V direction */ - int GetSubShapeID() { return myShapeID; } - TopoDS_Shape GetSubShape() { return myShape; } + int GetPeriodicIndex() const { return myParIndex; } protected: diff --git a/src/SMESH/SMESH_Pattern.hxx b/src/SMESH/SMESH_Pattern.hxx index 3a487277b..76b592c3f 100644 --- a/src/SMESH/SMESH_Pattern.hxx +++ b/src/SMESH/SMESH_Pattern.hxx @@ -66,7 +66,7 @@ class SMESH_Pattern { bool Load (SMESH_Mesh* theMesh, const TopoDS_Face& theFace, - bool theProject); + bool theProject = false); // Create a pattern from the mesh built on . // ==true makes override nodes positions // on computed by mesher @@ -135,8 +135,9 @@ class SMESH_Pattern { // Create nodes and elements in using nodes // coordinates computed by either of Apply...() methods - + // ---------- // Inquiries + // ---------- enum ErrorCode { ERR_OK, @@ -201,8 +202,18 @@ class SMESH_Pattern { void DumpPoints() const; // Debug + // ----------------------------- + // Utilities for advanced usage + // ----------------------------- - private: + TopoDS_Shape GetSubShape( const int i ) const { + if ( i < 1 || i > myShapeIDMap.Extent() ) return TopoDS_Shape(); + return myShapeIDMap( i ); + } + // Return a shape from myShapeIDMap where shapes are indexed so that first go + // ordered vertices, then ordered edge, then faces and maybe a shell + +private: // private methods struct TPoint { -- 2.39.2