From: eap Date: Thu, 15 Jan 2015 14:52:25 +0000 (+0300) Subject: Fix regression of mesh_Projection_2D_00/A1 test. X-Git-Tag: V7_5_1rc1^2 X-Git-Url: http://git.salome-platform.org/gitweb/?a=commitdiff_plain;h=e2e93f9c3107d4feff48df594e68bb8c209b549d;p=modules%2Fsmesh.git Fix regression of mesh_Projection_2D_00/A1 test. The regression is caused by the fix of 22830: - pair pos = GetMediumPos( n1, n2, mySetElemOnShape ); + pair pos = GetMediumPos( n1, n2, useCurSubShape ); --- diff --git a/src/SMESH/SMESH_MesherHelper.cxx b/src/SMESH/SMESH_MesherHelper.cxx index 48244b055..f1b39ed75 100644 --- a/src/SMESH/SMESH_MesherHelper.cxx +++ b/src/SMESH/SMESH_MesherHelper.cxx @@ -713,9 +713,11 @@ bool SMESH_MesherHelper::CheckNodeUV(const TopoDS_Face& F, double distXYZ[4]) const { int shapeID = n->getshapeId(); - bool infinit = ( Precision::IsInfinite( uv.X() ) || Precision::IsInfinite( uv.Y() )); - bool zero = ( uv.X() == 0. && uv.Y() == 0. ); - if ( force || toCheckPosOnShape( shapeID ) || infinit || zero ) + bool infinit; + if (( infinit = ( Precision::IsInfinite( uv.X() ) || Precision::IsInfinite( uv.Y() ))) || + ( force ) || + ( uv.X() == 0. && uv.Y() == 0. ) || + ( toCheckPosOnShape( shapeID ))) { // check that uv is correct TopLoc_Location loc; @@ -949,9 +951,11 @@ bool SMESH_MesherHelper::CheckNodeU(const TopoDS_Edge& E, double distXYZ[4]) const { int shapeID = n->getshapeId(); - bool infinit = Precision::IsInfinite( u ); - bool zero = ( u == 0. ); - if ( force || infinit || zero || toCheckPosOnShape( shapeID )) + bool infinit; + if (( infinit = Precision::IsInfinite( u )) || + ( force ) || + ( u == 0. ) || + ( toCheckPosOnShape( shapeID ))) { TopLoc_Location loc; double f,l; Handle(Geom_Curve) curve = BRep_Tool::Curve( E,loc,f,l ); @@ -1050,7 +1054,10 @@ bool SMESH_MesherHelper::CheckNodeU(const TopoDS_Edge& E, // set a medium node on //param : useCurSubShape - if true, returns the shape set via SetSubShape() // if any -// calling GetMediumPos() with useCurSubShape=true is OK only for the +//param : expectedSupport - shape type corresponding to element being created, +// e.g TopAbs_EDGE if SMDSAbs_Edge is created +// basing on \a n1 and \a n2 +// Calling GetMediumPos() with useCurSubShape=true is OK only for the // case where the lower dim mesh is already constructed and converted to quadratic, // else, nodes on EDGEs are assigned to FACE, for example. //======================================================================= @@ -1058,7 +1065,8 @@ bool SMESH_MesherHelper::CheckNodeU(const TopoDS_Edge& E, std::pair SMESH_MesherHelper::GetMediumPos(const SMDS_MeshNode* n1, const SMDS_MeshNode* n2, - const bool useCurSubShape) + const bool useCurSubShape, + TopAbs_ShapeEnum expectedSupport) { if ( useCurSubShape && !myShape.IsNull() ) return std::make_pair( myShapeID, myShape.ShapeType() ); @@ -1077,17 +1085,19 @@ SMESH_MesherHelper::GetMediumPos(const SMDS_MeshNode* n1, shapeID = n2->getshapeId(); shape = GetSubShapeByNode( n1, GetMeshDS() ); } - else + else // 2 different shapes { const SMDS_TypeOfPosition Pos1 = n1->GetPosition()->GetTypeOfPosition(); const SMDS_TypeOfPosition Pos2 = n2->GetPosition()->GetTypeOfPosition(); if ( Pos1 == SMDS_TOP_3DSPACE || Pos2 == SMDS_TOP_3DSPACE ) { + // in SOLID } else if ( Pos1 == SMDS_TOP_FACE || Pos2 == SMDS_TOP_FACE ) { - if ( Pos1 != SMDS_TOP_FACE || Pos2 != SMDS_TOP_FACE ) + // in FACE or SOLID + if ( Pos1 != SMDS_TOP_FACE || Pos2 != SMDS_TOP_FACE ) // not 2 FACEs { if ( Pos1 != SMDS_TOP_FACE ) std::swap( n1,n2 ); TopoDS_Shape F = GetSubShapeByNode( n1, GetMeshDS() ); @@ -1112,7 +1122,7 @@ SMESH_MesherHelper::GetMediumPos(const SMDS_MeshNode* n1, shape = GetCommonAncestor( V1, V2, *myMesh, TopAbs_EDGE ); if ( shape.IsNull() ) shape = GetCommonAncestor( V1, V2, *myMesh, TopAbs_FACE ); } - else // VERTEX and EDGE + else // on VERTEX and EDGE { if ( Pos1 != SMDS_TOP_VERTEX ) std::swap( n1,n2 ); TopoDS_Shape V = GetSubShapeByNode( n1, GetMeshDS() ); @@ -1128,7 +1138,41 @@ SMESH_MesherHelper::GetMediumPos(const SMDS_MeshNode* n1, { if ( shapeID < 1 ) shapeID = GetMeshDS()->ShapeToIndex( shape ); - shapeType = shape.ShapeType(); + shapeType = shape.ShapeType(); // EDGE or FACE + + if ( expectedSupport < shapeType && + expectedSupport != TopAbs_SHAPE && + !myShape.IsNull() && + myShape.ShapeType() == expectedSupport ) + { + // e.g. a side of triangle connects nodes on the same EDGE but does not + // lie on this EDGE (an arc with a coarse mesh) + // => shapeType == TopAbs_EDGE, expectedSupport == TopAbs_FACE; + // hope that myShape is a right shape, return it if the found shape + // has converted elements of corresponding dim (segments in our example) + int nbConvertedElems = 0; + SMDSAbs_ElementType type = ( shapeType == TopAbs_FACE ? SMDSAbs_Face : SMDSAbs_Edge ); + for ( int iN = 0; iN < 2; ++iN ) + { + const SMDS_MeshNode* n = iN ? n2 : n1; + SMDS_ElemIteratorPtr it = n->GetInverseElementIterator( type ); + while ( it->more() ) + { + const SMDS_MeshElement* elem = it->next(); + if ( elem->getshapeId() == shapeID && + elem->IsQuadratic() ) + { + ++nbConvertedElems; + break; + } + } + } + if ( nbConvertedElems == 2 ) + { + shapeType = myShape.ShapeType(); + shapeID = myShapeID; + } + } } return make_pair( shapeID, shapeType ); } @@ -1199,11 +1243,11 @@ const SMDS_MeshNode* SMESH_MesherHelper::GetCentralNode(const SMDS_MeshNode* n1, } else { - PShapeIteratorPtr it = GetAncestors(shape, *GetMesh(), TopAbs_FACE ); + PShapeIteratorPtr it = GetAncestors( shape, *GetMesh(), TopAbs_FACE ); while ( const TopoDS_Shape* face = it->next() ) { faceID = meshDS->ShapeToIndex( *face ); - itMapWithIdFace = faceId2nbNodes.insert( std::make_pair( faceID, 0 ) ).first; + itMapWithIdFace = faceId2nbNodes.insert( std::make_pair( faceID, 0 )).first; itMapWithIdFace->second++; } } @@ -1431,7 +1475,8 @@ const SMDS_MeshNode* SMESH_MesherHelper::GetCentralNode(const SMDS_MeshNode* n1, const SMDS_MeshNode* SMESH_MesherHelper::GetMediumNode(const SMDS_MeshNode* n1, const SMDS_MeshNode* n2, - bool force3d) + bool force3d, + TopAbs_ShapeEnum expectedSupport) { // Find existing node @@ -1457,7 +1502,7 @@ const SMDS_MeshNode* SMESH_MesherHelper::GetMediumNode(const SMDS_MeshNode* n1, bool uvOK[2] = { false, false }; const bool useCurSubShape = ( !myShape.IsNull() && myShape.ShapeType() == TopAbs_EDGE ); - pair pos = GetMediumPos( n1, n2, useCurSubShape ); + pair pos = GetMediumPos( n1, n2, useCurSubShape, expectedSupport ); // get positions of the given nodes on shapes if ( pos.second == TopAbs_FACE ) @@ -1776,9 +1821,9 @@ SMDS_MeshFace* SMESH_MesherHelper::AddFace(const SMDS_MeshNode* n1, elem = meshDS->AddFace(n1, n2, n3); } else { - const SMDS_MeshNode* n12 = GetMediumNode(n1,n2,force3d); - const SMDS_MeshNode* n23 = GetMediumNode(n2,n3,force3d); - const SMDS_MeshNode* n31 = GetMediumNode(n3,n1,force3d); + const SMDS_MeshNode* n12 = GetMediumNode( n1, n2, force3d, TopAbs_FACE ); + const SMDS_MeshNode* n23 = GetMediumNode( n2, n3, force3d, TopAbs_FACE ); + const SMDS_MeshNode* n31 = GetMediumNode( n3, n1, force3d, TopAbs_FACE ); if(myCreateBiQuadratic) { const SMDS_MeshNode* nCenter = GetCentralNode(n1, n2, n3, n12, n23, n31, force3d); @@ -1842,10 +1887,10 @@ SMDS_MeshFace* SMESH_MesherHelper::AddFace(const SMDS_MeshNode* n1, elem = meshDS->AddFace(n1, n2, n3, n4); } else { - 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* n12 = GetMediumNode( n1, n2, force3d, TopAbs_FACE ); + const SMDS_MeshNode* n23 = GetMediumNode( n2, n3, force3d, TopAbs_FACE ); + const SMDS_MeshNode* n34 = GetMediumNode( n3, n4, force3d, TopAbs_FACE ); + const SMDS_MeshNode* n41 = GetMediumNode( n4, n1, force3d, TopAbs_FACE ); if(myCreateBiQuadratic) { const SMDS_MeshNode* nCenter = GetCentralNode(n1, n2, n3, n4, n12, n23, n34, n41, force3d); @@ -1892,7 +1937,7 @@ SMDS_MeshFace* SMESH_MesherHelper::AddPolygonalFace (const vectorAddVolume(n1, n2, n3, n4, n5, n6); } else { - const SMDS_MeshNode* n12 = GetMediumNode(n1,n2,force3d); - const SMDS_MeshNode* n23 = GetMediumNode(n2,n3,force3d); - const SMDS_MeshNode* n31 = GetMediumNode(n3,n1,force3d); + const SMDS_MeshNode* n12 = GetMediumNode( n1, n2, force3d, TopAbs_SOLID ); + const SMDS_MeshNode* n23 = GetMediumNode( n2, n3, force3d, TopAbs_SOLID ); + const SMDS_MeshNode* n31 = GetMediumNode( n3, n1, force3d, TopAbs_SOLID ); - const SMDS_MeshNode* n45 = GetMediumNode(n4,n5,force3d); - const SMDS_MeshNode* n56 = GetMediumNode(n5,n6,force3d); - const SMDS_MeshNode* n64 = GetMediumNode(n6,n4,force3d); + const SMDS_MeshNode* n45 = GetMediumNode( n4, n5, force3d, TopAbs_SOLID ); + const SMDS_MeshNode* n56 = GetMediumNode( n5, n6, force3d, TopAbs_SOLID ); + const SMDS_MeshNode* n64 = GetMediumNode( n6, n4, force3d, TopAbs_SOLID ); - const SMDS_MeshNode* n14 = GetMediumNode(n1,n4,force3d); - const SMDS_MeshNode* n25 = GetMediumNode(n2,n5,force3d); - const SMDS_MeshNode* n36 = GetMediumNode(n3,n6,force3d); + const SMDS_MeshNode* n14 = GetMediumNode( n1, n4, force3d, TopAbs_SOLID ); + const SMDS_MeshNode* n25 = GetMediumNode( n2, n5, force3d, TopAbs_SOLID ); + const SMDS_MeshNode* n36 = GetMediumNode( n3, n6, force3d, TopAbs_SOLID ); if(id) - elem = meshDS->AddVolumeWithID(n1, n2, n3, n4, n5, n6, + elem = meshDS->AddVolumeWithID(n1, n2, n3, n4, n5, n6, n12, n23, n31, n45, n56, n64, n14, n25, n36, id); else elem = meshDS->AddVolume(n1, n2, n3, n4, n5, n6, @@ -1964,7 +2009,7 @@ SMDS_MeshVolume* SMESH_MesherHelper::AddVolume(const SMDS_MeshNode* n1, const SMDS_MeshNode* n2, const SMDS_MeshNode* n3, const SMDS_MeshNode* n4, - const int id, + const int id, const bool force3d) { SMESHDS_Mesh * meshDS = GetMeshDS(); @@ -1976,13 +2021,13 @@ SMDS_MeshVolume* SMESH_MesherHelper::AddVolume(const SMDS_MeshNode* n1, elem = meshDS->AddVolume(n1, n2, n3, n4); } else { - const SMDS_MeshNode* n12 = GetMediumNode(n1,n2,force3d); - const SMDS_MeshNode* n23 = GetMediumNode(n2,n3,force3d); - const SMDS_MeshNode* n31 = GetMediumNode(n3,n1,force3d); + const SMDS_MeshNode* n12 = GetMediumNode( n1, n2, force3d, TopAbs_SOLID ); + const SMDS_MeshNode* n23 = GetMediumNode( n2, n3, force3d, TopAbs_SOLID ); + const SMDS_MeshNode* n31 = GetMediumNode( n3, n1, force3d, TopAbs_SOLID ); - const SMDS_MeshNode* n14 = GetMediumNode(n1,n4,force3d); - const SMDS_MeshNode* n24 = GetMediumNode(n2,n4,force3d); - const SMDS_MeshNode* n34 = GetMediumNode(n3,n4,force3d); + const SMDS_MeshNode* n14 = GetMediumNode( n1, n4, force3d, TopAbs_SOLID ); + const SMDS_MeshNode* n24 = GetMediumNode( n2, n4, force3d, TopAbs_SOLID ); + const SMDS_MeshNode* n34 = GetMediumNode( n3, n4, force3d, TopAbs_SOLID ); if(id) elem = meshDS->AddVolumeWithID(n1, n2, n3, n4, n12, n23, n31, n14, n24, n34, id); @@ -2005,7 +2050,7 @@ SMDS_MeshVolume* SMESH_MesherHelper::AddVolume(const SMDS_MeshNode* n1, const SMDS_MeshNode* n3, const SMDS_MeshNode* n4, const SMDS_MeshNode* n5, - const int id, + const int id, const bool force3d) { SMDS_MeshVolume* elem = 0; @@ -2016,15 +2061,15 @@ SMDS_MeshVolume* SMESH_MesherHelper::AddVolume(const SMDS_MeshNode* n1, elem = GetMeshDS()->AddVolume(n1, n2, n3, n4, n5); } else { - 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* n12 = GetMediumNode( n1, n2, force3d, TopAbs_SOLID ); + const SMDS_MeshNode* n23 = GetMediumNode( n2, n3, force3d, TopAbs_SOLID ); + const SMDS_MeshNode* n34 = GetMediumNode( n3, n4, force3d, TopAbs_SOLID ); + const SMDS_MeshNode* n41 = GetMediumNode( n4, n1, force3d, TopAbs_SOLID ); - 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); + const SMDS_MeshNode* n15 = GetMediumNode( n1, n5, force3d, TopAbs_SOLID ); + const SMDS_MeshNode* n25 = GetMediumNode( n2, n5, force3d, TopAbs_SOLID ); + const SMDS_MeshNode* n35 = GetMediumNode( n3, n5, force3d, TopAbs_SOLID ); + const SMDS_MeshNode* n45 = GetMediumNode( n4, n5, force3d, TopAbs_SOLID ); if(id) elem = GetMeshDS()->AddVolumeWithID ( n1, n2, n3, n4, n5, @@ -2044,7 +2089,7 @@ SMDS_MeshVolume* SMESH_MesherHelper::AddVolume(const SMDS_MeshNode* n1, //======================================================================= //function : AddVolume -//purpose : Creates bi-quadratic, quadratic or linear hexahedron +//purpose : Creates tri-quadratic, quadratic or linear hexahedron //======================================================================= SMDS_MeshVolume* SMESH_MesherHelper::AddVolume(const SMDS_MeshNode* n1, @@ -2067,28 +2112,28 @@ SMDS_MeshVolume* SMESH_MesherHelper::AddVolume(const SMDS_MeshNode* n1, elem = meshDS->AddVolume(n1, n2, n3, n4, n5, n6, n7, n8); } else { - 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* n56 = GetMediumNode(n5,n6,force3d); - const SMDS_MeshNode* n67 = GetMediumNode(n6,n7,force3d); - const SMDS_MeshNode* n78 = GetMediumNode(n7,n8,force3d); - const SMDS_MeshNode* n85 = GetMediumNode(n8,n5,force3d); - - const SMDS_MeshNode* n15 = GetMediumNode(n1,n5,force3d); - const SMDS_MeshNode* n26 = GetMediumNode(n2,n6,force3d); - const SMDS_MeshNode* n37 = GetMediumNode(n3,n7,force3d); - const SMDS_MeshNode* n48 = GetMediumNode(n4,n8,force3d); + const SMDS_MeshNode* n12 = GetMediumNode( n1, n2, force3d, TopAbs_SOLID ); + const SMDS_MeshNode* n23 = GetMediumNode( n2, n3, force3d, TopAbs_SOLID ); + const SMDS_MeshNode* n34 = GetMediumNode( n3, n4, force3d, TopAbs_SOLID ); + const SMDS_MeshNode* n41 = GetMediumNode( n4, n1, force3d, TopAbs_SOLID ); + + const SMDS_MeshNode* n56 = GetMediumNode( n5, n6, force3d, TopAbs_SOLID ); + const SMDS_MeshNode* n67 = GetMediumNode( n6, n7, force3d, TopAbs_SOLID ); + const SMDS_MeshNode* n78 = GetMediumNode( n7, n8, force3d, TopAbs_SOLID ); + const SMDS_MeshNode* n85 = GetMediumNode( n8, n5, force3d, TopAbs_SOLID ); + + const SMDS_MeshNode* n15 = GetMediumNode( n1, n5, force3d, TopAbs_SOLID ); + const SMDS_MeshNode* n26 = GetMediumNode( n2, n6, force3d, TopAbs_SOLID ); + const SMDS_MeshNode* n37 = GetMediumNode( n3, n7, force3d, TopAbs_SOLID ); + const SMDS_MeshNode* n48 = GetMediumNode( n4, n8, force3d, TopAbs_SOLID ); if(myCreateBiQuadratic) { - const SMDS_MeshNode* n1234 = GetCentralNode(n1,n2,n3,n4,n12,n23,n34,n41,force3d); - const SMDS_MeshNode* n1256 = GetCentralNode(n1,n2,n5,n6,n12,n26,n56,n15,force3d); - const SMDS_MeshNode* n2367 = GetCentralNode(n2,n3,n6,n7,n23,n37,n67,n26,force3d); - const SMDS_MeshNode* n3478 = GetCentralNode(n3,n4,n7,n8,n34,n48,n78,n37,force3d); - const SMDS_MeshNode* n1458 = GetCentralNode(n1,n4,n5,n8,n41,n48,n15,n85,force3d); - const SMDS_MeshNode* n5678 = GetCentralNode(n5,n6,n7,n8,n56,n67,n78,n85,force3d); + const SMDS_MeshNode* n1234 = GetCentralNode( n1,n2,n3,n4,n12,n23,n34,n41,force3d ); + const SMDS_MeshNode* n1256 = GetCentralNode( n1,n2,n5,n6,n12,n26,n56,n15,force3d ); + const SMDS_MeshNode* n2367 = GetCentralNode( n2,n3,n6,n7,n23,n37,n67,n26,force3d ); + const SMDS_MeshNode* n3478 = GetCentralNode( n3,n4,n7,n8,n34,n48,n78,n37,force3d ); + const SMDS_MeshNode* n1458 = GetCentralNode( n1,n4,n5,n8,n41,n48,n15,n85,force3d ); + const SMDS_MeshNode* n5678 = GetCentralNode( n5,n6,n7,n8,n56,n67,n78,n85,force3d ); vector pointsOnShapes( SMESH_Block::ID_Shell ); @@ -2109,9 +2154,9 @@ SMDS_MeshVolume* SMESH_MesherHelper::AddVolume(const SMDS_MeshNode* n1, pointsOnShapes[ SMESH_Block::ID_Ex11 ] = SMESH_TNodeXYZ( n78 ); pointsOnShapes[ SMESH_Block::ID_E0y1 ] = SMESH_TNodeXYZ( n12 ); pointsOnShapes[ SMESH_Block::ID_E1y1 ] = SMESH_TNodeXYZ( n56 ); - pointsOnShapes[ SMESH_Block::ID_E00z ] = SMESH_TNodeXYZ( n41 ); - pointsOnShapes[ SMESH_Block::ID_E10z ] = SMESH_TNodeXYZ( n85 ); - pointsOnShapes[ SMESH_Block::ID_E01z ] = SMESH_TNodeXYZ( n23 ); + pointsOnShapes[ SMESH_Block::ID_E00z ] = SMESH_TNodeXYZ( n41 ); + pointsOnShapes[ SMESH_Block::ID_E10z ] = SMESH_TNodeXYZ( n85 ); + pointsOnShapes[ SMESH_Block::ID_E01z ] = SMESH_TNodeXYZ( n23 ); pointsOnShapes[ SMESH_Block::ID_E11z ] = SMESH_TNodeXYZ( n67 ); pointsOnShapes[ SMESH_Block::ID_Fxy0 ] = SMESH_TNodeXYZ( n3478 ); @@ -2226,7 +2271,7 @@ SMESH_MesherHelper::AddPolyhedralVolume (const std::vector // if ( n1->GetPosition()->GetTypeOfPosition() != SMDS_TOP_3DSPACE && // n2->GetPosition()->GetTypeOfPosition() != SMDS_TOP_3DSPACE ) { - const SMDS_MeshNode* n12 = GetMediumNode(n1,n2,force3d); + const SMDS_MeshNode* n12 = GetMediumNode( n1, n2, force3d, TopAbs_SOLID ); newNodes.push_back( n12 ); newQuantities.back()++; } @@ -2351,10 +2396,38 @@ bool SMESH_MesherHelper::LoadNodeColumns(TParam2ColumnMap & theParam2 for ( int iE = 0; edge != theBaseSide.end(); ++edge, ++iE ) { map< double, const SMDS_MeshNode*> sortedBaseNN; - SMESH_Algo::GetSortedNodesOnEdge( theMesh, *edge,/*noMedium=*/true, sortedBaseNN); + SMESH_Algo::GetSortedNodesOnEdge( theMesh, *edge,/*noMedium=*/true, sortedBaseNN ); + + map< double, const SMDS_MeshNode*>::iterator u_n; + // pb with mesh_Projection_2D_00/A1 fixed by adding expectedSupport arg to GetMediumPos() + // so the following solution is commented (hope forever :) + // + // SMESH_Algo::GetSortedNodesOnEdge( theMesh, *edge,/*noMedium=*/true, sortedBaseNN, + // // SMDSAbs_Edge here is needed to be coherent with + // // StdMeshers_FaceSide used by Quadrangle to get nodes + // // on EDGE; else pb in mesh_Projection_2D_00/A1 where a + // // medium node on EDGE is medium in a triangle but not + // // in a segment + // SMDSAbs_Edge ); + // if ( faceSubMesh->GetElements()->next()->IsQuadratic() ) + // // filter off nodes medium in faces on theFace (same pb with mesh_Projection_2D_00/A1) + // for ( u_n = sortedBaseNN.begin(); u_n != sortedBaseNN.end() ; ) + // { + // const SMDS_MeshNode* node = u_n->second; + // SMDS_ElemIteratorPtr faceIt = node->GetInverseElementIterator( SMDSAbs_Face ); + // if ( faceIt->more() && node ) { + // const SMDS_MeshElement* face = faceIt->next(); + // if ( faceSubMesh->Contains( face ) && face->IsMediumNode( node )) + // node = 0; + // } + // if ( !node ) + // sortedBaseNN.erase( u_n++ ); + // else + // ++u_n; + // } if ( sortedBaseNN.empty() ) continue; - map< double, const SMDS_MeshNode*>::iterator u_n = sortedBaseNN.begin(); + u_n = sortedBaseNN.begin(); if ( theProxyMesh ) // from sortedBaseNN remove nodes not shared by faces of faceSubMesh { const SMDS_MeshNode* n1 = (++sortedBaseNN.begin())->second; @@ -4222,7 +4295,7 @@ namespace { // Structures used by FixQuadraticElements() continue; gp_XYZ edgeDir = SMESH_TNodeXYZ( nOnEdge[0] ) - SMESH_TNodeXYZ( nOnEdge[1] ); gp_XYZ edgeNorm = faceNorm ^ edgeDir; - n = theHelper.GetMediumNode( nOnEdge[0], nOnEdge[1], true ); + n = theHelper.GetMediumNode( nOnEdge[0], nOnEdge[1], true ); // find n, not create gp_XYZ pN0 = SMESH_TNodeXYZ( nOnEdge[0] ); gp_XYZ pMedium = SMESH_TNodeXYZ( n ); // on-edge node location gp_XYZ pFaceN = SMESH_TNodeXYZ( nOnFace ); // on-face node location diff --git a/src/SMESH/SMESH_MesherHelper.hxx b/src/SMESH/SMESH_MesherHelper.hxx index 1e74e244a..50715cc4f 100644 --- a/src/SMESH/SMESH_MesherHelper.hxx +++ b/src/SMESH/SMESH_MesherHelper.hxx @@ -594,10 +594,14 @@ public: * \param force3d - true means node creation at the middle between the * two given nodes, else node position is found on its * supporting geometrical shape, if any. + * \param expectedSupport - shape type corresponding to element being created + * , e.g TopAbs_EDGE if SMDSAbs_Edge is created + * basing on \a n1 and \a n2 */ const SMDS_MeshNode* GetMediumNode(const SMDS_MeshNode* n1, const SMDS_MeshNode* n2, - const bool force3d); + const bool force3d, + TopAbs_ShapeEnum expectedSupport=TopAbs_SHAPE); /*! * \brief Return existing or create a new central node for a quardilateral * quadratic face given its 8 nodes. @@ -631,7 +635,8 @@ public: */ std::pair GetMediumPos(const SMDS_MeshNode* n1, const SMDS_MeshNode* n2, - const bool useCurSubShape=false); + const bool useCurSubShape=false, + TopAbs_ShapeEnum expectedSupport=TopAbs_SHAPE); /*! * \brief Add a link in my data structure */