X-Git-Url: http://git.salome-platform.org/gitweb/?p=modules%2Fsmesh.git;a=blobdiff_plain;f=src%2FStdMeshers%2FStdMeshers_ProjectionUtils.cxx;h=18c6f27d27500a5f6041dd2eacdfb30fa1985291;hp=d0f29a54bb66dbc9ddebdcd549e4a62baa39bbd4;hb=4a8521d5db0878f4e4f50bd94cf6e5200d2ec777;hpb=f5016d85b7b4b88623723027a1585c6414c4dc66 diff --git a/src/StdMeshers/StdMeshers_ProjectionUtils.cxx b/src/StdMeshers/StdMeshers_ProjectionUtils.cxx index d0f29a54b..18c6f27d2 100644 --- a/src/StdMeshers/StdMeshers_ProjectionUtils.cxx +++ b/src/StdMeshers/StdMeshers_ProjectionUtils.cxx @@ -1,4 +1,4 @@ -// Copyright (C) 2007-2012 CEA/DEN, EDF R&D, OPEN CASCADE +// Copyright (C) 2007-2014 CEA/DEN, EDF R&D, OPEN CASCADE // // Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN, // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS @@ -6,7 +6,7 @@ // This library is free software; you can redistribute it and/or // modify it under the terms of the GNU Lesser General Public // License as published by the Free Software Foundation; either -// version 2.1 of the License. +// version 2.1 of the License, or (at your option) any later version. // // This library is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of @@ -31,15 +31,17 @@ #include "StdMeshers_ProjectionSource2D.hxx" #include "StdMeshers_ProjectionSource3D.hxx" +#include "SMDS_EdgePosition.hxx" #include "SMESH_Algo.hxx" #include "SMESH_Block.hxx" #include "SMESH_Gen.hxx" +#include "SMESH_HypoFilter.hxx" #include "SMESH_Hypothesis.hxx" #include "SMESH_Mesh.hxx" #include "SMESH_MesherHelper.hxx" #include "SMESH_subMesh.hxx" #include "SMESH_subMeshEventListener.hxx" -#include "SMDS_EdgePosition.hxx" +#include "SMESH_MeshAlgos.hxx" #include "utilities.h" @@ -66,6 +68,7 @@ #include #include +#include using namespace std; @@ -91,7 +94,7 @@ using namespace std; // cout << endl;\ // } -#define HERE StdMeshers_ProjectionUtils +namespace HERE = StdMeshers_ProjectionUtils; namespace { @@ -109,7 +112,7 @@ namespace { */ //================================================================================ - bool _StoreBadShape(const TopoDS_Shape& shape) + bool storeShapeForDebug(const TopoDS_Shape& shape) { #ifdef _DEBUG_ const char* type[] ={"COMPOUND","COMPSOLID","SOLID","SHELL","FACE","WIRE","EDGE","VERTEX"}; @@ -127,7 +130,7 @@ namespace { */ //================================================================================ - void Reverse( list< TopoDS_Edge > & edges, const int nbEdges, const int firstEdge=0) + void reverseEdges( list< TopoDS_Edge > & edges, const int nbEdges, const int firstEdge=0) { SHOW_LIST("BEFORE REVERSE", edges); @@ -157,7 +160,7 @@ namespace { */ //================================================================================ - bool IsPropagationPossible( SMESH_Mesh* theMesh1, SMESH_Mesh* theMesh2 ) + bool isPropagationPossible( SMESH_Mesh* theMesh1, SMESH_Mesh* theMesh2 ) { if ( theMesh1 != theMesh2 ) { TopoDS_Shape mainShape1 = theMesh1->GetMeshDS()->ShapeToMesh(); @@ -179,24 +182,60 @@ namespace { */ //================================================================================ - bool FixAssocByPropagation( const int nbEdges, + bool fixAssocByPropagation( const int nbEdges, list< TopoDS_Edge > & edges1, list< TopoDS_Edge > & edges2, SMESH_Mesh* theMesh1, SMESH_Mesh* theMesh2) { - if ( nbEdges == 2 && IsPropagationPossible( theMesh1, theMesh2 ) ) + if ( nbEdges == 2 && isPropagationPossible( theMesh1, theMesh2 ) ) { list< TopoDS_Edge >::iterator eIt2 = ++edges2.begin(); // 2nd edge of the 2nd face TopoDS_Edge edge2 = HERE::GetPropagationEdge( theMesh1, *eIt2, edges1.front() ).second; if ( !edge2.IsNull() ) { // propagation found for the second edge - Reverse( edges2, nbEdges ); + reverseEdges( edges2, nbEdges ); return true; } } return false; } + //================================================================================ + /*! + * \brief Associate faces having one edge in the outer wire. + * No check is done if there is really only one outer edge + */ + //================================================================================ + + bool assocFewEdgesFaces( const TopoDS_Face& face1, + SMESH_Mesh* mesh1, + const TopoDS_Face& face2, + SMESH_Mesh* mesh2, + HERE::TShapeShapeMap & theMap) + { + TopoDS_Vertex v1 = TopoDS::Vertex( HERE::OuterShape( face1, TopAbs_VERTEX )); + TopoDS_Vertex v2 = TopoDS::Vertex( HERE::OuterShape( face2, TopAbs_VERTEX )); + TopoDS_Vertex VV1[2] = { v1, v1 }; + TopoDS_Vertex VV2[2] = { v2, v2 }; + list< TopoDS_Edge > edges1, edges2; + if ( int nbE = HERE::FindFaceAssociation( face1, VV1, face2, VV2, edges1, edges2 )) + { + HERE::InsertAssociation( face1, face2, theMap ); + fixAssocByPropagation( nbE, edges1, edges2, mesh1, mesh2 ); + list< TopoDS_Edge >::iterator eIt1 = edges1.begin(); + list< TopoDS_Edge >::iterator eIt2 = edges2.begin(); + for ( ; eIt1 != edges1.end(); ++eIt1, ++eIt2 ) + { + HERE::InsertAssociation( *eIt1, *eIt2, theMap ); + v1 = SMESH_MesherHelper::IthVertex( 0, *eIt1 ); + v2 = SMESH_MesherHelper::IthVertex( 0, *eIt2 ); + HERE::InsertAssociation( v1, v2, theMap ); + } + return true; + } + return false; + } + //================================================================================ /*! * \brief Look for a group containing a target shape and similar to a source group @@ -207,20 +246,19 @@ namespace { */ //================================================================================ - TopoDS_Shape FindGroupContaining(const TopoDS_Shape& tgtShape, + TopoDS_Shape findGroupContaining(const TopoDS_Shape& tgtShape, const SMESH_Mesh* tgtMesh1, const TopoDS_Shape& srcGroup) { list subMeshes = tgtMesh1->GetGroupSubMeshesContaining(tgtShape); list::iterator sm = subMeshes.begin(); int type, last = TopAbs_SHAPE; - StdMeshers_ProjectionUtils util; for ( ; sm != subMeshes.end(); ++sm ) { const TopoDS_Shape & group = (*sm)->GetSubShape(); // check if group is similar to srcGroup for ( type = srcGroup.ShapeType(); type < last; ++type) - if ( util.Count( srcGroup, (TopAbs_ShapeEnum)type, 0) != - util.Count( group, (TopAbs_ShapeEnum)type, 0)) + if ( SMESH_MesherHelper::Count( srcGroup, (TopAbs_ShapeEnum)type, 0) != + SMESH_MesherHelper::Count( group, (TopAbs_ShapeEnum)type, 0)) break; if ( type == last ) return group; @@ -234,7 +272,7 @@ namespace { */ //================================================================================ - bool AssocGroupsByPropagation(const TopoDS_Shape& theGroup1, + bool assocGroupsByPropagation(const TopoDS_Shape& theGroup1, const TopoDS_Shape& theGroup2, SMESH_Mesh& theMesh, HERE::TShapeShapeMap& theMap) @@ -284,9 +322,9 @@ namespace { // get edges of the face TopoDS_Edge edgeGr1, edgeGr2, verticEdge2; list< TopoDS_Edge > edges; list< int > nbEdgesInWire; - SMESH_Block::GetOrderedEdges( face, v1, edges, nbEdgesInWire); + SMESH_Block::GetOrderedEdges( face, edges, nbEdgesInWire, v1); if ( nbEdgesInWire.front() != 4 ) - return _StoreBadShape( face ); + return storeShapeForDebug( face ); list< TopoDS_Edge >::iterator edge = edges.begin(); if ( verticEdge.IsSame( *edge )) { edgeGr2 = *(++edge); @@ -307,7 +345,7 @@ namespace { if ( gr1It.Value().ShapeType() == TopAbs_FACE ) { // find a boundary edge of group1 to start from - TopoDS_Shape bndEdge = StdMeshers_ProjectionUtils::GetBoundaryEdge( theGroup1, theMesh ); + TopoDS_Shape bndEdge = HERE::GetBoundaryEdge( theGroup1, theMesh ); if ( bndEdge.IsNull() ) return false; @@ -377,54 +415,55 @@ namespace { */ //================================================================================ - TopoDS_Shape getOuterEdge( const TopoDS_Shape theShape1, SMESH_Mesh& mesh ) + bool getOuterEdges( const TopoDS_Shape shape, + SMESH_Mesh& mesh, + std::list< TopoDS_Edge >& allBndEdges ) { - TopoDS_Shape edge; - if ( theShape1.ShapeType() == TopAbs_COMPOUND ) + if ( shape.ShapeType() == TopAbs_COMPOUND ) { - TopoDS_Iterator it( theShape1 ); - if ( it.Value().ShapeType() == TopAbs_FACE ) // group of FACEs + TopoDS_Iterator it( shape ); + if ( it.More() && it.Value().ShapeType() == TopAbs_FACE ) // group of FACEs { // look for a boundary EDGE of a group - edge = StdMeshers_ProjectionUtils::GetBoundaryEdge( theShape1, mesh ); - if ( !edge.IsNull() ) - return edge; + StdMeshers_ProjectionUtils::GetBoundaryEdge( shape, mesh, &allBndEdges ); + if ( !allBndEdges.empty() ) + return true; } } - edge = theShape1; - TopExp_Explorer expF( theShape1, TopAbs_FACE ), expE; + TopExp_Explorer expF( shape, TopAbs_FACE ), expE; if ( expF.More() ) { for ( ; expF.More(); expF.Next() ) { - edge.Nullify(); TopoDS_Shape wire = StdMeshers_ProjectionUtils::OuterShape( TopoDS::Face( expF.Current() ), TopAbs_WIRE ); - for ( expE.Init( wire, TopAbs_EDGE ); edge.IsNull() && expE.More(); expE.Next() ) + for ( expE.Init( wire, TopAbs_EDGE ); expE.More(); expE.Next() ) if ( !SMESH_MesherHelper::IsClosedEdge( TopoDS::Edge( expE.Current() ))) - edge = expE.Current(); - if ( !edge.IsNull() ) - break; + allBndEdges.push_back( TopoDS::Edge( expE.Current() )); } - } else if (edge.ShapeType() != TopAbs_EDGE) { // no faces - edge.Nullify(); - for ( expE.Init( theShape1, TopAbs_EDGE ); edge.IsNull() && expE.More(); expE.Next() ) + } + else if ( shape.ShapeType() != TopAbs_EDGE) { // no faces + for ( expE.Init( shape, TopAbs_EDGE ); expE.More(); expE.Next() ) if ( !SMESH_MesherHelper::IsClosedEdge( TopoDS::Edge( expE.Current() ))) - edge = expE.Current(); + allBndEdges.push_back( TopoDS::Edge( expE.Current() )); } - return edge; + else if ( shape.ShapeType() == TopAbs_EDGE ) { + if ( !SMESH_MesherHelper::IsClosedEdge( TopoDS::Edge( shape ))) + allBndEdges.push_back( TopoDS::Edge( shape )); + } + return !allBndEdges.empty(); } } // namespace //======================================================================= -/*! - * \brief Looks for association of all sub-shapes of two shapes - * \param theShape1 - target shape - * \param theMesh1 - mesh built on shape 1 - * \param theShape2 - source shape - * \param theMesh2 - mesh built on shape 2 - * \param theAssociation - association map to be filled that may - * contain association of one or two pairs of vertices - * \retval bool - true if association found +/* + * Looks for association of all sub-shapes of two shapes + * \param theShape1 - target shape + * \param theMesh1 - mesh built on shape 1 + * \param theShape2 - source shape + * \param theMesh2 - mesh built on shape 2 + * \param theAssociation - association map to be filled that may + * contain association of one or two pairs of vertices + * \retval bool - true if association found */ //======================================================================= @@ -435,8 +474,8 @@ bool StdMeshers_ProjectionUtils::FindSubShapeAssociation(const TopoDS_Shape& the TShapeShapeMap & theMap) { // Structure of this long function is following - // 1) Group->group projection: theShape1 is a group member, - // theShape2 is a group. We find a group theShape1 is in and recall self. + // 1) Group -> Group projection: theShape1 is a group member, + // theShape2 is another group. We find a group theShape1 is in and recall self. // 2) Accosiate same shapes with different location (partners). // 3) If vertex association is given, perform accosiation according to shape type: // switch ( ShapeType ) { @@ -462,11 +501,11 @@ bool StdMeshers_ProjectionUtils::FindSubShapeAssociation(const TopoDS_Shape& the TopoDS_Shape group1, group2; if ( theShape1.ShapeType() == TopAbs_COMPOUND ) { group1 = theShape1; - group2 = FindGroupContaining( theShape2, theMesh2, group1 ); + group2 = findGroupContaining( theShape2, theMesh2, group1 ); } else if ( theShape2.ShapeType() == TopAbs_COMPOUND ) { group2 = theShape2; - group1 = FindGroupContaining( theShape1, theMesh1, group2 ); + group1 = findGroupContaining( theShape1, theMesh1, group2 ); } if ( group1.IsNull() || group2.IsNull() ) RETURN_BAD_RESULT("Different shape types"); @@ -553,7 +592,7 @@ bool StdMeshers_ProjectionUtils::FindSubShapeAssociation(const TopoDS_Shape& the list< TopoDS_Edge > edges1, edges2; int nbE = FindFaceAssociation( face1, VV1, face2, VV2, edges1, edges2 ); if ( !nbE ) RETURN_BAD_RESULT("FindFaceAssociation() failed"); - FixAssocByPropagation( nbE, edges1, edges2, theMesh1, theMesh2 ); + fixAssocByPropagation( nbE, edges1, edges2, theMesh1, theMesh2 ); list< TopoDS_Edge >::iterator eIt1 = edges1.begin(); list< TopoDS_Edge >::iterator eIt2 = edges2.begin(); @@ -619,7 +658,8 @@ bool StdMeshers_ProjectionUtils::FindSubShapeAssociation(const TopoDS_Shape& the TopTools_ListIteratorOfListOfShape ancestIt1( edgeToFace1.FindFromKey( edge1 )); for ( ; F1.IsNull() && ancestIt1.More(); ancestIt1.Next() ) if ( ancestIt1.Value().ShapeType() == TopAbs_FACE ) - F1 = ancestIt1.Value().Oriented( TopAbs_FORWARD ); + F1 = ancestIt1.Value().Oriented //( TopAbs_FORWARD ); + ( SMESH_MesherHelper::GetSubShapeOri( theShape1, ancestIt1.Value() )); if ( F1.IsNull() ) RETURN_BAD_RESULT(" Face1 not found"); @@ -627,7 +667,8 @@ bool StdMeshers_ProjectionUtils::FindSubShapeAssociation(const TopoDS_Shape& the TopTools_ListIteratorOfListOfShape ancestIt2( edgeToFace2.FindFromKey( edge2 )); for ( int i = 0; FF2[1].IsNull() && ancestIt2.More(); ancestIt2.Next() ) if ( ancestIt2.Value().ShapeType() == TopAbs_FACE ) - FF2[ i++ ] = ancestIt2.Value().Oriented( TopAbs_FORWARD ); + FF2[ i++ ] = ancestIt2.Value().Oriented // ( TopAbs_FORWARD ); + ( SMESH_MesherHelper::GetSubShapeOri( theShape2, ancestIt2.Value() )); // get oriented edge1 and edge2 from F1 and FF2[0] for ( exp.Init( F1, TopAbs_EDGE ); exp.More(); exp.Next() ) @@ -677,7 +718,7 @@ bool StdMeshers_ProjectionUtils::FindSubShapeAssociation(const TopoDS_Shape& the " to " << theMesh2->GetMeshDS()->ShapeToIndex( face2 )); if ( nbE == 2 && (edge1.IsSame( edges1.front())) != (edge2.IsSame( edges2.front()))) { - Reverse( edges2, nbE ); + reverseEdges( edges2, nbE ); } list< TopoDS_Edge >::iterator eIt1 = edges1.begin(); list< TopoDS_Edge >::iterator eIt2 = edges2.begin(); @@ -685,13 +726,9 @@ bool StdMeshers_ProjectionUtils::FindSubShapeAssociation(const TopoDS_Shape& the { if ( !boundEdges.Add( *eIt1 )) continue; // already associated InsertAssociation( *eIt1, *eIt2, theMap ); // assoc edges - MESSAGE("Assoc edge " << theMesh1->GetMeshDS()->ShapeToIndex( *eIt1 )<< - " to " << theMesh2->GetMeshDS()->ShapeToIndex( *eIt2 )); VV1[0] = TopExp::FirstVertex( *eIt1, true ); VV2[0] = TopExp::FirstVertex( *eIt2, true ); InsertAssociation( VV1[0], VV2[0], theMap ); // assoc vertices - MESSAGE("Assoc vertex " << theMesh1->GetMeshDS()->ShapeToIndex( VV1[0] )<< - " to " << theMesh2->GetMeshDS()->ShapeToIndex( VV2[0] )); // add adjacent faces to process TopoDS_Face nextFace1 = GetNextFace( edgeToFace1, *eIt1, face1 ); @@ -711,7 +748,7 @@ bool StdMeshers_ProjectionUtils::FindSubShapeAssociation(const TopoDS_Shape& the // Maybe groups contain only one member TopoDS_Iterator it1( theShape1 ), it2( theShape2 ); TopAbs_ShapeEnum memberType = it1.Value().ShapeType(); - int nbMembers = Count( theShape1, memberType, true ); + int nbMembers = SMESH_MesherHelper::Count( theShape1, memberType, true ); if ( nbMembers == 0 ) return true; if ( nbMembers == 1 ) { return FindSubShapeAssociation( it1.Value(), theMesh1, it2.Value(), theMesh2, theMap ); @@ -760,7 +797,8 @@ bool StdMeshers_ProjectionUtils::FindSubShapeAssociation(const TopoDS_Shape& the if ( groupEdges[ is2ndGroup ].Contains( f.Current() )) if ( ++nbGroupEdges > 1 ) break; - bool add = (nbGroupEdges > 1 || Count( face, TopAbs_EDGE, true ) == 1 ); + bool add = (nbGroupEdges > 1 || + SMESH_MesherHelper::Count( face, TopAbs_EDGE, true ) == 1 ); if ( !add ) { add = true; for ( TopExp_Explorer v( face, TopAbs_VERTEX ); add && v.More(); v.Next()) @@ -777,8 +815,8 @@ bool StdMeshers_ProjectionUtils::FindSubShapeAssociation(const TopoDS_Shape& the } // Associate shells // - int nbFaces1 = Count( shell1, TopAbs_FACE, 0 ); - int nbFaces2 = Count( shell2, TopAbs_FACE, 0 ); + int nbFaces1 = SMESH_MesherHelper:: Count( shell1, TopAbs_FACE, 0 ); + int nbFaces2 = SMESH_MesherHelper:: Count( shell2, TopAbs_FACE, 0 ); if ( nbFaces1 != nbFaces2 ) RETURN_BAD_RESULT("Different nb of faces found for shells"); if ( nbFaces1 > 0 ) { @@ -953,7 +991,7 @@ bool StdMeshers_ProjectionUtils::FindSubShapeAssociation(const TopoDS_Shape& the // ---------------------------------------------------------------------- TopoDS_Edge edge1 = TopoDS::Edge( theShape1 ); TopoDS_Edge edge2 = TopoDS::Edge( theShape2 ); - if ( IsPropagationPossible( theMesh1, theMesh2 )) + if ( isPropagationPossible( theMesh1, theMesh2 )) { TopoDS_Edge prpEdge = GetPropagationEdge( theMesh1, edge2, edge1 ).second; if ( !prpEdge.IsNull() ) @@ -987,7 +1025,7 @@ bool StdMeshers_ProjectionUtils::FindSubShapeAssociation(const TopoDS_Shape& the case TopAbs_FACE: { // ---------------------------------------------------------------------- - if ( IsPropagationPossible( theMesh1, theMesh2 )) // try by propagation in one mesh + if ( isPropagationPossible( theMesh1, theMesh2 )) // try by propagation in one mesh { TopoDS_Face face1 = TopoDS::Face(theShape1); TopoDS_Face face2 = TopoDS::Face(theShape2); @@ -995,20 +1033,29 @@ bool StdMeshers_ProjectionUtils::FindSubShapeAssociation(const TopoDS_Shape& the if ( face2.Orientation() >= TopAbs_INTERNAL ) face2.Orientation( TopAbs_FORWARD ); TopoDS_Edge edge1, edge2; // get outer edge of theShape1 - edge1 = TopoDS::Edge( OuterShape( face1, TopAbs_EDGE )); - // find out if any edge of face2 is a propagation edge of outer edge1 - map propag_edges; // use map to find the closest propagation edge - for ( TopExp_Explorer exp( face2, TopAbs_EDGE ); exp.More(); exp.Next() ) { - edge2 = TopoDS::Edge( exp.Current() ); - pair step_edge = GetPropagationEdge( theMesh1, edge2, edge1 ); - if ( !step_edge.second.IsNull() ) { // propagation found - propag_edges.insert( step_edge ); - if ( step_edge.first == 1 ) break; // most close found + TopoDS_Shape wire = OuterShape( face1, TopAbs_WIRE ); + //edge1 = TopoDS::Edge( OuterShape( face1, TopAbs_EDGE )); + // use map to find the closest propagation edge + map > propag_edges; + for ( TopoDS_Iterator edgeIt( wire ); edgeIt.More(); edgeIt.Next() ) + { + edge1 = TopoDS::Edge( edgeIt.Value() ); + // find out if any edge of face2 is a propagation edge of outer edge1 + for ( TopExp_Explorer exp( face2, TopAbs_EDGE ); exp.More(); exp.Next() ) { + edge2 = TopoDS::Edge( exp.Current() ); + pair step_edge = GetPropagationEdge( theMesh1, edge2, edge1 ); + if ( !step_edge.second.IsNull() ) { // propagation found + propag_edges.insert( make_pair( step_edge.first, + ( make_pair( edge1, step_edge.second )))); + if ( step_edge.first == 1 ) break; // most close found + } } + if ( !propag_edges.empty() && propag_edges.begin()->first == 1 ) break; } if ( !propag_edges.empty() ) // propagation found { - edge2 = propag_edges.begin()->second; + edge1 = propag_edges.begin()->second.first; + edge2 = propag_edges.begin()->second.second; TopoDS_Vertex VV1[2], VV2[2]; TopExp::Vertices( edge1, VV1[0], VV1[1], true ); TopExp::Vertices( edge2, VV2[0], VV2[1], true ); @@ -1020,7 +1067,7 @@ bool StdMeshers_ProjectionUtils::FindSubShapeAssociation(const TopoDS_Shape& the bool same2 = edge2.IsSame( edges2.front() ); if ( same1 != same2 ) { - Reverse(edges2, nbE); + reverseEdges(edges2, nbE); if ( nbE != 2 ) // 2 degen edges of 4 (issue 0021144) edges2.splice( edges2.end(), edges2, edges2.begin()); } @@ -1042,10 +1089,10 @@ bool StdMeshers_ProjectionUtils::FindSubShapeAssociation(const TopoDS_Shape& the } case TopAbs_COMPOUND: { // ---------------------------------------------------------------------- - if ( IsPropagationPossible( theMesh1, theMesh2 )) { + if ( isPropagationPossible( theMesh1, theMesh2 )) { // try to accosiate all using propagation - if ( AssocGroupsByPropagation( theShape1, theShape2, *theMesh1, theMap )) + if ( assocGroupsByPropagation( theShape1, theShape2, *theMesh1, theMap )) return true; // find a boundary edge of theShape1 @@ -1116,11 +1163,19 @@ bool StdMeshers_ProjectionUtils::FindSubShapeAssociation(const TopoDS_Shape& the TopoDS_Vertex VV1[2], VV2[2]; if ( vMap1.Extent() != vMap2.Extent() ) - RETURN_BAD_RESULT("Different nb of vertices"); + { + if ( SMESH_MesherHelper:: Count( theShape1, TopAbs_EDGE, /*ignoreSame=*/false ) != + SMESH_MesherHelper:: Count( theShape2, TopAbs_EDGE, /*ignoreSame=*/false )) + RETURN_BAD_RESULT("Different nb of vertices"); + } - if ( vMap1.Extent() == 1 ) { + if ( vMap1.Extent() == 1 || vMap2.Extent() == 1 ) { InsertAssociation( vMap1(1), vMap2(1), theMap ); if ( theShape1.ShapeType() == TopAbs_EDGE ) { + if ( vMap1.Extent() == 2 ) + InsertAssociation( vMap1(2), vMap2(1), theMap ); + else if ( vMap2.Extent() == 2 ) + InsertAssociation( vMap2(2), vMap1(1), theMap ); InsertAssociation( theShape1, theShape2, theMap ); return true; } @@ -1156,10 +1211,10 @@ bool StdMeshers_ProjectionUtils::FindSubShapeAssociation(const TopoDS_Shape& the // Find transformation to make the shapes be of similar size at same location Bnd_Box box[2]; - for ( int i = 1; i <= vMap1.Extent(); ++i ) { + for ( int i = 1; i <= vMap1.Extent(); ++i ) box[ 0 ].Add( BRep_Tool::Pnt ( TopoDS::Vertex( vMap1( i )))); + for ( int i = 1; i <= vMap2.Extent(); ++i ) box[ 1 ].Add( BRep_Tool::Pnt ( TopoDS::Vertex( vMap2( i )))); - } gp_Pnt gc[2]; // box center double x0,y0,z0, x1,y1,z1; @@ -1175,30 +1230,69 @@ bool StdMeshers_ProjectionUtils::FindSubShapeAssociation(const TopoDS_Shape& the // Find 2 closest vertices // get 2 linked vertices of shape 1 not belonging to an inner wire of a face - TopoDS_Shape edge = getOuterEdge( theShape1, *theMesh1 ); - if ( edge.IsNull() || edge.ShapeType() != TopAbs_EDGE ) - RETURN_BAD_RESULT("Edge not found"); - - TopExp::Vertices( TopoDS::Edge( edge.Oriented(TopAbs_FORWARD)), VV1[0], VV1[1]); - if ( VV1[0].IsSame( VV1[1] )) - RETURN_BAD_RESULT("Only closed edges"); - - // find vertices closest to 2 linked vertices of shape 1 - for ( int i1 = 0; i1 < 2; ++i1 ) + std::list< TopoDS_Edge > allBndEdges1; + if ( !getOuterEdges( theShape1, *theMesh1, allBndEdges1 )) { - double dist2 = DBL_MAX; - gp_Pnt p1 = BRep_Tool::Pnt( VV1[ i1 ]); - p1.Translate( vec01 ); - p1.Scale( gc[1], scale ); - for ( int i2 = 1; i2 <= vMap2.Extent(); ++i2 ) + if ( theShape1.ShapeType() != TopAbs_FACE ) + RETURN_BAD_RESULT("Edge not found"); + return assocFewEdgesFaces( TopoDS::Face( theShape1 ), theMesh1, + TopoDS::Face( theShape2 ), theMesh2, theMap ); + } + std::list< TopoDS_Edge >::iterator edge1 = allBndEdges1.begin(); + double minDist = std::numeric_limits::max(); + for ( int nbChecked=0; edge1 != allBndEdges1.end() && nbChecked++ < 10; ++edge1 ) + { + TopExp::Vertices( TopoDS::Edge( edge1->Oriented(TopAbs_FORWARD)), VV1[0], VV1[1]); + if ( VV1[0].IsSame( VV1[1] )) + continue;//RETURN_BAD_RESULT("Only closed edges"); + + // find vertices closest to 2 linked vertices of shape 1 + double dist2[2] = { 1e+100, 1e+100 }; + TopoDS_Vertex edge2VV[2]; + for ( int i1 = 0; i1 < 2; ++i1 ) { - TopoDS_Vertex V2 = TopoDS::Vertex( vMap2( i2 )); - gp_Pnt p2 = BRep_Tool::Pnt ( V2 ); - double d2 = p1.SquareDistance( p2 ); - if ( d2 < dist2 && !V2.IsSame( VV2[ 0 ])) { - VV2[ i1 ] = V2; dist2 = d2; + gp_Pnt p1 = BRep_Tool::Pnt( VV1[ i1 ]); + p1.Scale( gc[0], scale ); + p1.Translate( vec01 ); + if ( !i1 ) { + // select a closest vertex among all ones in vMap2 + for ( int i2 = 1; i2 <= vMap2.Extent(); ++i2 ) + { + TopoDS_Vertex V2 = TopoDS::Vertex( vMap2( i2 )); + gp_Pnt p2 = BRep_Tool::Pnt ( V2 ); + double d2 = p1.SquareDistance( p2 ); + if ( d2 < dist2[ 0 ] && d2 < minDist ) { + edge2VV[ 0 ] = V2; + dist2 [ 0 ] = d2; + } + } + } + else if ( !edge2VV[0].IsNull() ) { + // select a closest vertex among ends of edges meeting at edge2VV[0] + PShapeIteratorPtr edgeIt = SMESH_MesherHelper::GetAncestors( edge2VV[0], + *theMesh2, TopAbs_EDGE); + while ( const TopoDS_Shape* edge2 = edgeIt->next() ) + for ( TopoDS_Iterator itV2( *edge2 ); itV2.More(); itV2.Next() ) + { + if ( itV2.Value().IsSame( edge2VV[ 0 ])) continue; + if ( !vMap2.Contains( itV2.Value() )) continue; + TopoDS_Vertex V2 = TopoDS::Vertex( itV2.Value() ); + gp_Pnt p2 = BRep_Tool::Pnt ( V2 ); + double d2 = p1.SquareDistance( p2 ); + if ( d2 < dist2[1] && d2 < minDist ) { + edge2VV[ 1 ] = V2; + dist2 [ 1 ] = d2; + } + } } } + if ( dist2[0] + dist2[1] < minDist ) { + VV2[0] = edge2VV[0]; + VV2[1] = edge2VV[1]; + minDist = dist2[0] + dist2[1]; + if ( minDist < 1e-10 ) + break; + } } InsertAssociation( VV1[ 0 ], VV2[ 0 ], theMap ); @@ -1216,15 +1310,15 @@ bool StdMeshers_ProjectionUtils::FindSubShapeAssociation(const TopoDS_Shape& the } //================================================================================ -/*! - * \brief Find association of edges of faces - * \param face1 - face 1 - * \param VV1 - vertices of face 1 - * \param face2 - face 2 - * \param VV2 - vertices of face 2 associated with ones of face 1 - * \param edges1 - out list of edges of face 1 - * \param edges2 - out list of edges of face 2 - * \retval int - nb of edges in an outer wire in a success case, else zero +/* + * Find association of edges of faces + * \param face1 - face 1 + * \param VV1 - vertices of face 1 + * \param face2 - face 2 + * \param VV2 - vertices of face 2 associated with ones of face 1 + * \param edges1 - out list of edges of face 1 + * \param edges2 - out list of edges of face 2 + * \retval int - nb of edges in an outer wire in a success case, else zero */ //================================================================================ @@ -1237,18 +1331,24 @@ int StdMeshers_ProjectionUtils::FindFaceAssociation(const TopoDS_Face& face1, { bool OK = false; list< int > nbEInW1, nbEInW2; + list< TopoDS_Edge >::iterator edgeIt; int i_ok_wire_algo = -1; for ( int outer_wire_algo = 0; outer_wire_algo < 2 && !OK; ++outer_wire_algo ) { edges1.clear(); edges2.clear(); - if ( SMESH_Block::GetOrderedEdges( face1, VV1[0], edges1, nbEInW1, outer_wire_algo) != - SMESH_Block::GetOrderedEdges( face2, VV2[0], edges2, nbEInW2, outer_wire_algo) ) + if ( SMESH_Block::GetOrderedEdges( face1, edges1, nbEInW1, VV1[0], outer_wire_algo) != + SMESH_Block::GetOrderedEdges( face2, edges2, nbEInW2, VV2[0], outer_wire_algo) ) CONT_BAD_RESULT("Different number of wires in faces "); - if ( nbEInW1 != nbEInW2 ) - CONT_BAD_RESULT("Different number of edges in faces: " << + if ( nbEInW1 != nbEInW2 && outer_wire_algo == 0 && + ( std::accumulate( nbEInW1.begin(), nbEInW1.end(), 0) != + std::accumulate( nbEInW2.begin(), nbEInW2.end(), 0))) + RETURN_BAD_RESULT("Different number of edges in faces"); + + if ( nbEInW1.front() != nbEInW2.front() ) + CONT_BAD_RESULT("Different number of edges in the outer wire: " << nbEInW1.front() << " != " << nbEInW2.front()); i_ok_wire_algo = outer_wire_algo; @@ -1257,7 +1357,6 @@ int StdMeshers_ProjectionUtils::FindFaceAssociation(const TopoDS_Face& face1, bool reverse = false; - list< TopoDS_Edge >::iterator edgeIt; if ( !VV1[1].IsSame( TopExp::LastVertex( edges1.front(), true ))) { reverse = true; edgeIt = --edges1.end(); @@ -1273,9 +1372,15 @@ int StdMeshers_ProjectionUtils::FindFaceAssociation(const TopoDS_Face& face1, CONT_BAD_RESULT("GetOrderedEdges() failed"); } } - edgeIt = --edges2.end(); if ( !VV2[1].IsSame( TopExp::LastVertex( edges2.front(), true ))) { reverse = !reverse; + edgeIt = --edges2.end(); + // move a degenerated edge from back to front + // http://www.salome-platform.org/forum/forum_11/173031193 + if ( TopExp::FirstVertex( *edgeIt ).IsSame( TopExp::LastVertex( *edgeIt ))) { + edges2.splice( edges2.begin(), edges2, edgeIt ); + edgeIt = --edges2.end(); + } // check if the second vertex belongs to the first or last edge in the wire if ( !VV2[1].IsSame( TopExp::FirstVertex( *edgeIt, true ))) { bool KO = true; // belongs to none @@ -1290,7 +1395,7 @@ int StdMeshers_ProjectionUtils::FindFaceAssociation(const TopoDS_Face& face1, } if ( reverse ) { - Reverse( edges2 , nbEInW2.front()); + reverseEdges( edges2 , nbEInW2.front()); if (( VV1[1].IsSame( TopExp::LastVertex( edges1.front(), true ))) != ( VV2[1].IsSame( TopExp::LastVertex( edges2.front(), true )))) CONT_BAD_RESULT("GetOrderedEdges() failed"); @@ -1300,6 +1405,7 @@ int StdMeshers_ProjectionUtils::FindFaceAssociation(const TopoDS_Face& face1, } // loop algos getting an outer wire // Try to orient all (if !OK) or only internal wires (issue 0020996) by UV similarity + if (( !OK || nbEInW1.size() > 1 ) && i_ok_wire_algo > -1 ) { // Check that Vec(VV1[0],VV1[1]) in 2D on face1 is the same @@ -1321,48 +1427,92 @@ int StdMeshers_ProjectionUtils::FindFaceAssociation(const TopoDS_Face& face1, { edges1.clear(); edges2.clear(); - SMESH_Block::GetOrderedEdges( face1, VV1[0], edges1, nbEInW1, i_ok_wire_algo); - SMESH_Block::GetOrderedEdges( face2, VV2[0], edges2, nbEInW2, i_ok_wire_algo); + SMESH_Block::GetOrderedEdges( face1, edges1, nbEInW1, VV1[0], i_ok_wire_algo); + SMESH_Block::GetOrderedEdges( face2, edges2, nbEInW2, VV2[0], i_ok_wire_algo); } gp_XY dUV = v0f2UV.XY() - v0f1UV.XY(); // UV shift between 2 faces + // // skip edges of the outer wire (if the outer wire is OK) - list< int >::iterator nbEInW = nbEInW1.begin(); - list< TopoDS_Edge >::iterator edge1Beg = edges1.begin(), edge2Beg = edges2.begin(); - if ( OK ) - { - for ( int i = 0; i < *nbEInW; ++i ) - ++edge1Beg, ++edge2Beg; - ++nbEInW; - } - for ( ; nbEInW != nbEInW1.end(); ++nbEInW ) // loop on wires + list< int >::iterator nbE2, nbE1 = nbEInW1.begin(); + list< TopoDS_Edge >::iterator edge2Beg, edge1Beg = edges1.begin(); + if ( OK ) std::advance( edge1Beg, *nbE1++ ); + // reach an end of edges of a current wire1 + list< TopoDS_Edge >::iterator edge2End, edge1End; + // + // find corresponding wires of face2 + for ( int iW1 = OK; nbE1 != nbEInW1.end(); ++nbE1, ++iW1 ) // loop on wires of face1 { - // reach an end of edges of a current wire - list< TopoDS_Edge >::iterator edge1End = edge1Beg, edge2End = edge2Beg; - for ( int i = 0; i < *nbEInW; ++i ) - ++edge1End, ++edge2End; - // rotate edges2 untill coincident with edges1 in 2D + // reach an end of edges of a current wire1 + edge1End = edge1Beg; + std::advance( edge1End, *nbE1 ); + // UV on face1 to find on face2 v0f1UV = BRep_Tool::Parameters( TopExp::FirstVertex(*edge1Beg,true), face1 ); v1f1UV = BRep_Tool::Parameters( TopExp::LastVertex (*edge1Beg,true), face1 ); v0f1UV.ChangeCoord() += dUV; v1f1UV.ChangeCoord() += dUV; - int i = *nbEInW; - while ( --i > 0 && !sameVertexUV( *edge2Beg, face2, 0, v0f1UV, vTolUV )) - edges2.splice( edge2End, edges2, edge2Beg++ ); // move edge2Beg to place before edge2End - if ( sameVertexUV( *edge2Beg, face2, 0, v0f1UV, vTolUV )) + // + // look through wires of face2 + edge2Beg = edges2.begin(); + nbE2 = nbEInW2.begin(); + if ( OK ) std::advance( edge2Beg, *nbE2++ ); + for ( int iW2 = OK; nbE2 != nbEInW2.end(); ++nbE2, ++iW2 ) // loop on wires of face2 { - if ( nbEInW == nbEInW1.begin() ) - OK = true; // OK is for the first wire - // reverse edges2 if needed - if ( !sameVertexUV( *edge2Beg, face2, 1, v1f1UV, vTolUV )) + // reach an end of edges of a current wire2 + edge2End = edge2Beg; + std::advance( edge2End, *nbE2 ); + if ( *nbE1 == *nbE2 && iW2 >= iW1 ) { - Reverse( edges2 , *nbEInW, distance( edges2.begin(),edge2Beg )); - // set correct edge2End - edge2End = edges2.begin(); - std::advance( edge2End, std::accumulate( nbEInW1.begin(), nbEInW, *nbEInW)); + // rotate edge2 untill coincidence with edge1 in 2D + int i = *nbE2; + while ( i-- > 0 && !sameVertexUV( *edge2Beg, face2, 0, v0f1UV, vTolUV )) + // move edge2Beg to place before edge2End + edges2.splice( edge2End, edges2, edge2Beg++ ); + + if ( edge2Beg != edges2.end() && + sameVertexUV( *edge2Beg, face2, 0, v0f1UV, vTolUV )) + { + if ( iW1 == 0 ) OK = true; // OK is for the first wire + // reverse edges2 if needed + if ( !sameVertexUV( *edge2Beg, face2, 1, v1f1UV, vTolUV )) + reverseEdges( edges2 , *nbE2, std::distance( edges2.begin(),edge2Beg )); + // put wire2 at a right place within edges2 + if ( iW1 != iW2 ) { + list< TopoDS_Edge >::iterator place2 = edges2.begin(); + std::advance( place2, std::distance( edges1.begin(), edge1Beg )); + edges2.splice( place2, edges2, edge2Beg, edge2End ); + // move nbE2 as well + list< int >::iterator placeNbE2 = nbEInW2.begin(); + std::advance( placeNbE2, iW1 ); + nbEInW2.splice( placeNbE2, nbEInW2, nbE2 ); + } + break; + } } + // prepare to the next wire loop + edge2Beg = edge2End; } - // prepare to the next wire loop - edge1Beg = edge1End, edge2Beg = edge2End; + edge1Beg = edge1End; + } + } + } + + const int nbEdges = nbEInW1.front(); + if ( OK && nbEdges == 2 ) + { + // if wires include 2 edges, it's impossible to associate them using + // topological information only. Try to use length of edges for association. + double l1[2], l2[2]; + edgeIt = edges1.begin(); + l1[0] = SMESH_Algo::EdgeLength( *edgeIt++ ); + l1[1] = SMESH_Algo::EdgeLength( *edgeIt++ ); + if ( Abs( l1[0] - l1[1] ) > 0.1 * Max( l1[0], l1[1] ) ) + { + edgeIt = edges2.begin(); + l2[0] = SMESH_Algo::EdgeLength( *edgeIt++ ); + l2[1] = SMESH_Algo::EdgeLength( *edgeIt++ ); + if (( l1[0] < l1[1] ) != ( l2[0] < l2[1] )) + { + reverseEdges( edges2, nbEdges ); } } } @@ -1404,12 +1554,12 @@ void StdMeshers_ProjectionUtils::InitVertexAssociation( const SMESH_Hypothesis* } //======================================================================= -/*! - * \brief Inserts association theShape1 <-> theShape2 to TShapeShapeMap - * \param theShape1 - target shape - * \param theShape2 - source shape - * \param theAssociationMap - association map - * \retval bool - true if there was no association for these shapes before +/* + * Inserts association theShape1 <-> theShape2 to TShapeShapeMap + * \param theShape1 - target shape + * \param theShape2 - source shape + * \param theAssociationMap - association map + * \retval bool - true if there was no association for these shapes before */ //======================================================================= @@ -1430,12 +1580,12 @@ bool StdMeshers_ProjectionUtils::InsertAssociation( const TopoDS_Shape& theShape } //======================================================================= -/*! - * \brief Finds an edge by its vertices in a main shape of the mesh - * \param aMesh - the mesh - * \param V1 - vertex 1 - * \param V2 - vertex 2 - * \retval TopoDS_Edge - found edge +/* + * Finds an edge by its vertices in a main shape of the mesh + * \param aMesh - the mesh + * \param V1 - vertex 1 + * \param V2 - vertex 2 + * \retval TopoDS_Edge - found edge */ //======================================================================= @@ -1458,12 +1608,12 @@ TopoDS_Edge StdMeshers_ProjectionUtils::GetEdgeByVertices( SMESH_Mesh* } //================================================================================ -/*! - * \brief Return another face sharing an edge - * \param edgeToFaces - data map of descendants to ancestors - * \param edge - edge - * \param face - face - * \retval TopoDS_Face - found face +/* + * Return another face sharing an edge + * \param edgeToFaces - data map of descendants to ancestors + * \param edge - edge + * \param face - face + * \retval TopoDS_Face - found face */ //================================================================================ @@ -1484,8 +1634,8 @@ TopoDS_Face StdMeshers_ProjectionUtils::GetNextFace( const TAncestorMap& edgeToF } //================================================================================ -/*! - * \brief Return other vertex of an edge +/* + * Return other vertex of an edge */ //================================================================================ @@ -1500,82 +1650,90 @@ TopoDS_Vertex StdMeshers_ProjectionUtils::GetNextVertex(const TopoDS_Edge& edg } //================================================================================ -/*! - * \brief Return a propagation edge - * \param aMesh - mesh - * \param theEdge - edge to find by propagation - * \param fromEdge - start edge for propagation - * \retval pair - propagation step and found edge +/* + * Return a propagation edge + * \param aMesh - mesh + * \param anEdge - edge to find by propagation + * \param fromEdge - start edge for propagation + * \param chain - return, if !NULL, a propagation chain passed till + * anEdge; if anEdge.IsNull() then a full propagation chain is returned; + * fromEdge is the 1st in the chain + * \retval pair - propagation step and found edge */ //================================================================================ pair -StdMeshers_ProjectionUtils::GetPropagationEdge( SMESH_Mesh* aMesh, - const TopoDS_Edge& theEdge, - const TopoDS_Edge& fromEdge) +StdMeshers_ProjectionUtils::GetPropagationEdge( SMESH_Mesh* aMesh, + const TopoDS_Edge& anEdge, + const TopoDS_Edge& fromEdge, + TopTools_IndexedMapOfShape* chain) { - TopTools_IndexedMapOfShape aChain; + TopTools_IndexedMapOfShape locChain; + TopTools_IndexedMapOfShape& aChain = chain ? *chain : locChain; int step = 0; + //TopTools_IndexedMapOfShape checkedWires; + BRepTools_WireExplorer aWE; + TopoDS_Shape fourEdges[4]; + // List of edges, added to chain on the previous cycle pass TopTools_ListOfShape listPrevEdges; - listPrevEdges.Append(fromEdge); + listPrevEdges.Append( fromEdge ); + aChain.Add( fromEdge ); // Collect all edges pass by pass - while (listPrevEdges.Extent() > 0) { + while (listPrevEdges.Extent() > 0) + { step++; // List of edges, added to chain on this cycle pass TopTools_ListOfShape listCurEdges; // Find the next portion of edges TopTools_ListIteratorOfListOfShape itE (listPrevEdges); - for (; itE.More(); itE.Next()) { - TopoDS_Shape anE = itE.Value(); + for (; itE.More(); itE.Next()) + { + const TopoDS_Shape& anE = itE.Value(); // Iterate on faces, having edge TopTools_ListIteratorOfListOfShape itA (aMesh->GetAncestors(anE)); - for (; itA.More(); itA.Next()) { - TopoDS_Shape aW = itA.Value(); + for (; itA.More(); itA.Next()) + { + const TopoDS_Shape& aW = itA.Value(); // There are objects of different type among the ancestors of edge - if (aW.ShapeType() == TopAbs_WIRE) { - TopoDS_Shape anOppE; - - BRepTools_WireExplorer aWE (TopoDS::Wire(aW)); - Standard_Integer nb = 1, found = 0; - TopTools_Array1OfShape anEdges (1,4); - for (; aWE.More(); aWE.Next(), nb++) { - if (nb > 4) { - found = 0; + if ( aW.ShapeType() == TopAbs_WIRE /*&& checkedWires.Add( aW )*/) + { + Standard_Integer nb = 0, found = -1; + for ( aWE.Init( TopoDS::Wire( aW )); aWE.More(); aWE.Next() ) { + if (nb+1 > 4) { + found = -1; break; } - anEdges(nb) = aWE.Current(); - if (anEdges(nb).IsSame(anE)) found = nb; + fourEdges[ nb ] = aWE.Current(); + if ( aWE.Current().IsSame( anE )) found = nb; + nb++; } - - if (nb == 5 && found > 0) { + if (nb == 4 && found >= 0) { // Quadrangle face found, get an opposite edge - Standard_Integer opp = found + 2; - if (opp > 4) opp -= 4; - anOppE = anEdges(opp); + TopoDS_Shape& anOppE = fourEdges[( found + 2 ) % 4 ]; // add anOppE to aChain if ... - if (!aChain.Contains(anOppE)) { // ... anOppE is not in aChain + int prevChainSize = aChain.Extent(); + if ( aChain.Add(anOppE) > prevChainSize ) { // ... anOppE is not in aChain // Add found edge to the chain oriented so that to // have it co-directed with a forward MainEdge TopAbs_Orientation ori = anE.Orientation(); - if ( anEdges(opp).Orientation() == anEdges(found).Orientation() ) + if ( anOppE.Orientation() == fourEdges[found].Orientation() ) ori = TopAbs::Reverse( ori ); anOppE.Orientation( ori ); - if ( anOppE.IsSame( theEdge )) + if ( anOppE.IsSame( anEdge )) return make_pair( step, TopoDS::Edge( anOppE )); - aChain.Add(anOppE); listCurEdges.Append(anOppE); } - } // if (nb == 5 && found > 0) + } // if (nb == 4 && found >= 0) } // if (aF.ShapeType() == TopAbs_WIRE) - } // for (; itF.More(); itF.Next()) - } // for (; itE.More(); itE.Next()) + } // loop on ancestors of anE + } // loop on listPrevEdges listPrevEdges = listCurEdges; } // while (listPrevEdges.Extent() > 0) @@ -1584,16 +1742,16 @@ StdMeshers_ProjectionUtils::GetPropagationEdge( SMESH_Mesh* aMesh, } //================================================================================ - /*! - * \brief Find corresponding nodes on two faces - * \param face1 - the first face - * \param mesh1 - mesh containing elements on the first face - * \param face2 - the second face - * \param mesh2 - mesh containing elements on the second face - * \param assocMap - map associating sub-shapes of the faces - * \param node1To2Map - map containing found matching nodes - * \retval bool - is a success - */ +/* + * Find corresponding nodes on two faces + * \param face1 - the first face + * \param mesh1 - mesh containing elements on the first face + * \param face2 - the second face + * \param mesh2 - mesh containing elements on the second face + * \param assocMap - map associating sub-shapes of the faces + * \param node1To2Map - map containing found matching nodes + * \retval bool - is a success + */ //================================================================================ bool StdMeshers_ProjectionUtils:: @@ -1606,7 +1764,7 @@ FindMatchingNodesOnFaces( const TopoDS_Face& face1, { SMESHDS_Mesh* meshDS1 = mesh1->GetMeshDS(); SMESHDS_Mesh* meshDS2 = mesh2->GetMeshDS(); - + SMESH_MesherHelper helper1( *mesh1 ); SMESH_MesherHelper helper2( *mesh2 ); @@ -1642,7 +1800,8 @@ FindMatchingNodesOnFaces( const TopoDS_Face& face1, eE.Next(); // edge 1 if ( !assocMap.IsBound( e2, /*is2nd=*/true )) - RETURN_BAD_RESULT("Association not found for edge " << meshDS2->ShapeToIndex( e2 )); + continue; + //RETURN_BAD_RESULT("Association not found for edge " << meshDS2->ShapeToIndex( e2 )); TopoDS_Edge e1 = TopoDS::Edge( assocMap( e2, /*is2nd=*/true )); if ( !helper1.IsSubShape( e1, face1 )) RETURN_BAD_RESULT("Wrong association, edge " << meshDS1->ShapeToIndex( e1 ) << @@ -1686,7 +1845,11 @@ FindMatchingNodesOnFaces( const TopoDS_Face& face1, // get 2 matching vertices TopoDS_Vertex V2 = TopExp::FirstVertex( TopoDS::Edge( edge2 )); if ( !assocMap.IsBound( V2, /*is2nd=*/true )) - RETURN_BAD_RESULT("Association not found for vertex " << meshDS2->ShapeToIndex( V2 )); + { + V2 = TopExp::LastVertex( TopoDS::Edge( edge2 )); + if ( !assocMap.IsBound( V2, /*is2nd=*/true )) + RETURN_BAD_RESULT("Association not found for vertex " << meshDS2->ShapeToIndex( V2 )); + } TopoDS_Vertex V1 = TopoDS::Vertex( assocMap( V2, /*is2nd=*/true )); // nodes on vertices @@ -1776,12 +1939,12 @@ FindMatchingNodesOnFaces( const TopoDS_Face& face1, TIDSortedElemSet inSet, notInSet; const SMDS_MeshElement* f1 = - SMESH_MeshEditor::FindFaceInSet( vNode, eNode, inSet, notInSet ); + SMESH_MeshAlgos::FindFaceInSet( vNode, eNode, inSet, notInSet ); if ( !f1 ) RETURN_BAD_RESULT("The first face on seam not found"); notInSet.insert( f1 ); const SMDS_MeshElement* f2 = - SMESH_MeshEditor::FindFaceInSet( vNode, eNode, inSet, notInSet ); + SMESH_MeshAlgos::FindFaceInSet( vNode, eNode, inSet, notInSet ); if ( !f2 ) RETURN_BAD_RESULT("The second face on seam not found"); // select a face with less UV of vNode @@ -1824,7 +1987,7 @@ FindMatchingNodesOnFaces( const TopoDS_Face& face1, for ( int i = 0; i < nbNodes; ++i ) { const SMDS_MeshNode* n1 = faceToKeep->GetNode( i ); const SMDS_MeshNode* n2 = faceToKeep->GetNode(( i+1 ) % nbNodes ); - f1 = SMESH_MeshEditor::FindFaceInSet( n1, n2, inSet, notInSet ); + f1 = SMESH_MeshAlgos::FindFaceInSet( n1, n2, inSet, notInSet ); if ( f1 ) elems.insert( f1 ); } @@ -1900,23 +2063,23 @@ FindMatchingNodesOnFaces( const TopoDS_Face& face1, node1To2Map.insert( make_pair( vNode1, vNode2 )); } -// don't know why this condition is usually true :( -// if ( node1To2Map.size() * quadFactor < SM1->NbNodes() ) -// MESSAGE("FindMatchingNodes() found too few node pairs starting from nodes (" -// << vNode1->GetID() << " - " << eNode1[0]->GetID() << ") (" -// << vNode2->GetID() << " - " << eNode2[0]->GetID() << "):" -// << node1To2Map.size() * quadFactor << " < " << SM1->NbNodes()); - + // don't know why this condition is usually true :( + // if ( node1To2Map.size() * quadFactor < SM1->NbNodes() ) + // MESSAGE("FindMatchingNodes() found too few node pairs starting from nodes (" + // << vNode1->GetID() << " - " << eNode1[0]->GetID() << ") (" + // << vNode2->GetID() << " - " << eNode2[0]->GetID() << "):" + // << node1To2Map.size() * quadFactor << " < " << SM1->NbNodes()); + return true; } //================================================================================ - /*! - * \brief Return any sub-shape of a face belonging to the outer wire - * \param face - the face - * \param type - type of sub-shape to return - * \retval TopoDS_Shape - the found sub-shape - */ +/* + * Return any sub-shape of a face belonging to the outer wire + * \param face - the face + * \param type - type of sub-shape to return + * \retval TopoDS_Shape - the found sub-shape + */ //================================================================================ TopoDS_Shape StdMeshers_ProjectionUtils::OuterShape( const TopoDS_Face& face, @@ -1929,12 +2092,12 @@ TopoDS_Shape StdMeshers_ProjectionUtils::OuterShape( const TopoDS_Face& face, } //================================================================================ - /*! - * \brief Check that submesh is computed and try to compute it if is not - * \param sm - submesh to compute - * \param iterationNb - int used to stop infinite recursive call - * \retval bool - true if computed - */ +/* + * Check that sub-mesh is computed and try to compute it if is not + * \param sm - sub-mesh to compute + * \param iterationNb - int used to stop infinite recursive call + * \retval bool - true if computed + */ //================================================================================ bool StdMeshers_ProjectionUtils::MakeComputed(SMESH_subMesh * sm, const int iterationNb) @@ -1946,30 +2109,65 @@ bool StdMeshers_ProjectionUtils::MakeComputed(SMESH_subMesh * sm, const int iter if ( sm->IsMeshComputed() ) return true; - SMESH_Mesh* mesh = sm->GetFather(); - SMESH_Gen* gen = mesh->GetGen(); - SMESH_Algo* algo = sm->GetAlgo(); + SMESH_Mesh* mesh = sm->GetFather(); + SMESH_Gen* gen = mesh->GetGen(); + SMESH_Algo* algo = sm->GetAlgo(); + TopoDS_Shape shape = sm->GetSubShape(); if ( !algo ) { - if ( sm->GetSubShape().ShapeType() != TopAbs_COMPOUND ) - RETURN_BAD_RESULT("No algo assigned to submesh " << sm->GetId()); - // group - bool computed = true; - for ( TopoDS_Iterator grMember( sm->GetSubShape() ); grMember.More(); grMember.Next()) - if ( SMESH_subMesh* grSub = mesh->GetSubMesh( grMember.Value() )) - if ( !MakeComputed( grSub, iterationNb + 1 )) - computed = false; - return computed; + if ( shape.ShapeType() != TopAbs_COMPOUND ) + { + // No algo assigned to a non-compound sub-mesh. + // Try to find an all-dimensional algo of an upper dimension + int dim = gen->GetShapeDim( shape ); + for ( ++dim; ( dim <= 3 && !algo ); ++dim ) + { + SMESH_HypoFilter hypoFilter( SMESH_HypoFilter::IsAlgo() ); + hypoFilter.And( SMESH_HypoFilter::HasDim( dim )); + list hyps; + list< TopoDS_Shape > assignedTo; + int nbAlgos = + mesh->GetHypotheses( shape, hypoFilter, hyps, true, &assignedTo ); + if ( nbAlgos > 1 ) // concurrent algos + { + list smList; // where an algo is assigned + list< TopoDS_Shape >::iterator shapeIt = assignedTo.begin(); + for ( ; shapeIt != assignedTo.end(); ++shapeIt ) + smList.push_back( mesh->GetSubMesh( *shapeIt )); + + mesh->SortByMeshOrder( smList ); + algo = smList.front()->GetAlgo(); + shape = smList.front()->GetSubShape(); + } + else if ( nbAlgos == 1 ) + { + algo = (SMESH_Algo*) hyps.front(); + shape = assignedTo.front(); + } + } + if ( !algo ) + return false; + } + else + { + // group + bool computed = true; + for ( TopoDS_Iterator grMember( shape ); grMember.More(); grMember.Next()) + if ( SMESH_subMesh* grSub = mesh->GetSubMesh( grMember.Value() )) + if ( !MakeComputed( grSub, iterationNb + 1 )) + computed = false; + return computed; + } } string algoType = algo->GetName(); if ( algoType.substr(0, 11) != "Projection_") - return gen->Compute( *mesh, sm->GetSubShape() ); + return gen->Compute( *mesh, shape, /*shapeOnly=*/true ); // try to compute source mesh const list & hyps = - algo->GetUsedHypothesis( *mesh, sm->GetSubShape() ); + algo->GetUsedHypothesis( *mesh, shape ); TopoDS_Shape srcShape; SMESH_Mesh* srcMesh = 0; @@ -1996,55 +2194,67 @@ bool StdMeshers_ProjectionUtils::MakeComputed(SMESH_subMesh * sm, const int iter } } if ( srcShape.IsNull() ) // no projection source defined - return gen->Compute( *mesh, sm->GetSubShape() ); + return gen->Compute( *mesh, shape, /*shapeOnly=*/true ); - if ( srcShape.IsSame( sm->GetSubShape() )) + if ( srcShape.IsSame( shape )) RETURN_BAD_RESULT("Projection from self"); if ( !srcMesh ) srcMesh = mesh; if ( MakeComputed( srcMesh->GetSubMesh( srcShape ), iterationNb + 1 ) && - gen->Compute( *mesh, sm->GetSubShape() )) + gen->Compute( *mesh, shape, /*shapeOnly=*/true )) return sm->IsMeshComputed(); return false; } + //================================================================================ -/*! - * \brief Count nb of sub-shapes - * \param shape - the shape - * \param type - the type of sub-shapes to count - * \retval int - the calculated number +/* + * Returns an error message to show in case if MakeComputed( sm ) fails. */ //================================================================================ -int StdMeshers_ProjectionUtils::Count(const TopoDS_Shape& shape, - const TopAbs_ShapeEnum type, - const bool ignoreSame) +std::string StdMeshers_ProjectionUtils::SourceNotComputedError( SMESH_subMesh * sm, + SMESH_Algo* projAlgo ) { - if ( ignoreSame ) { - TopTools_IndexedMapOfShape map; - TopExp::MapShapes( shape, type, map ); - return map.Extent(); - } - else { - int nb = 0; - for ( TopExp_Explorer exp( shape, type ); exp.More(); exp.Next() ) - ++nb; - return nb; + const char usualMessage [] = "Source mesh not computed"; + if ( !projAlgo ) + return usualMessage; + if ( !sm || sm->GetAlgoState() != SMESH_subMesh::NO_ALGO ) + return usualMessage; // algo is OK, anything else is KO. + + // Try to find a type of all-dimentional algorithm that would compute the + // given sub-mesh if it could be launched before projection + const TopoDS_Shape shape = sm->GetSubShape(); + const int shapeDim = SMESH_Gen::GetShapeDim( shape ); + + for ( int dimIncrement = 1; shapeDim + dimIncrement < 4; ++dimIncrement ) + { + SMESH_HypoFilter filter( SMESH_HypoFilter::IsAlgo() ); + filter.And( filter.HasDim( shapeDim + dimIncrement )); + + SMESH_Algo* algo = (SMESH_Algo*) sm->GetFather()->GetHypothesis( shape, filter, true ); + if ( algo && !algo->NeedDiscreteBoundary() ) + return SMESH_Comment("\"") + << algo->GetFeatures()._label << "\"" + << " can't be used to compute the source mesh for \"" + << projAlgo->GetFeatures()._label << "\" in this case"; } + return usualMessage; } //================================================================================ -/*! - * \brief Return a boundary EDGE of edgeContainer +/* + * Return a boundary EDGE (or all boundary EDGEs) of edgeContainer */ //================================================================================ -TopoDS_Edge StdMeshers_ProjectionUtils::GetBoundaryEdge(const TopoDS_Shape& edgeContainer, - const SMESH_Mesh& mesh) +TopoDS_Edge +StdMeshers_ProjectionUtils::GetBoundaryEdge(const TopoDS_Shape& edgeContainer, + const SMESH_Mesh& mesh, + std::list< TopoDS_Edge >* allBndEdges) { TopTools_IndexedMapOfShape facesOfEdgeContainer, facesNearEdge; TopExp::MapShapes( edgeContainer, TopAbs_FACE, facesOfEdgeContainer ); @@ -2059,8 +2269,12 @@ TopoDS_Edge StdMeshers_ProjectionUtils::GetBoundaryEdge(const TopoDS_Shape& edge if ( facesOfEdgeContainer.Contains( *face )) if ( facesNearEdge.Add( *face ) && facesNearEdge.Extent() > 1 ) break; - if ( facesNearEdge.Extent() == 1 ) - return edge; + if ( facesNearEdge.Extent() == 1 ) { + if ( allBndEdges ) + allBndEdges->push_back( edge ); + else + return edge; + } } return TopoDS_Edge(); @@ -2069,7 +2283,7 @@ TopoDS_Edge StdMeshers_ProjectionUtils::GetBoundaryEdge(const TopoDS_Shape& edge namespace { // Definition of event listeners - SMESH_subMeshEventListener* GetSrcSubMeshListener(); + SMESH_subMeshEventListener* getSrcSubMeshListener(); //================================================================================ /*! @@ -2089,7 +2303,7 @@ namespace { // Definition of event listeners eventType == SMESH_subMesh::ALGO_EVENT) { // delete current source listener - subMesh->DeleteEventListener( GetSrcSubMeshListener() ); + subMesh->DeleteEventListener( getSrcSubMeshListener() ); // let algo set a new one if ( SMESH_Algo* algo = subMesh->GetAlgo() ) algo->SetEventListener( subMesh ); @@ -2102,7 +2316,7 @@ namespace { // Definition of event listeners */ //================================================================================ - SMESH_subMeshEventListener* GetHypModifWaiter() { + SMESH_subMeshEventListener* getHypModifWaiter() { static HypModifWaiter aHypModifWaiter; return &aHypModifWaiter; } @@ -2112,7 +2326,7 @@ namespace { // Definition of event listeners */ //================================================================================ - SMESH_subMeshEventListener* GetSrcSubMeshListener() { + SMESH_subMeshEventListener* getSrcSubMeshListener() { static SMESH_subMeshEventListener srcListener(false, // won't be deleted by submesh "StdMeshers_ProjectionUtils::SrcSubMeshListener"); return &srcListener; @@ -2120,11 +2334,11 @@ namespace { // Definition of event listeners } //================================================================================ -/*! - * \brief Set event listeners to submesh with projection algo - * \param subMesh - submesh with projection algo - * \param srcShape - source shape - * \param srcMesh - source mesh +/* + * Set event listeners to submesh with projection algo + * \param subMesh - submesh with projection algo + * \param srcShape - source shape + * \param srcMesh - source mesh */ //================================================================================ @@ -2132,9 +2346,9 @@ void StdMeshers_ProjectionUtils::SetEventListener(SMESH_subMesh* subMesh, TopoDS_Shape srcShape, SMESH_Mesh* srcMesh) { - // Set listener that resets an event listener on source submesh when + // Set the listener that resets an event listener on source submesh when // "ProjectionSource*D" hypothesis is modified since source shape can be changed - subMesh->SetEventListener( GetHypModifWaiter(),0,subMesh); + subMesh->SetEventListener( getHypModifWaiter(),0,subMesh); // Set an event listener to submesh of the source shape if ( !srcShape.IsNull() ) @@ -2156,18 +2370,18 @@ void StdMeshers_ProjectionUtils::SetEventListener(SMESH_subMesh* subMesh, if ( srcSM != subMesh ) { SMESH_subMeshEventListenerData* data = - srcSM->GetEventListenerData(GetSrcSubMeshListener()); + srcSM->GetEventListenerData(getSrcSubMeshListener()); if ( data ) data->mySubMeshes.push_back( subMesh ); else data = SMESH_subMeshEventListenerData::MakeData( subMesh ); - subMesh->SetEventListener ( GetSrcSubMeshListener(), data, srcSM ); + subMesh->SetEventListener ( getSrcSubMeshListener(), data, srcSM ); } } } else { - subMesh->SetEventListener( GetSrcSubMeshListener(), + subMesh->SetEventListener( getSrcSubMeshListener(), SMESH_subMeshEventListenerData::MakeData( subMesh ), srcShapeSM ); }