X-Git-Url: http://git.salome-platform.org/gitweb/?p=modules%2Fsmesh.git;a=blobdiff_plain;f=src%2FStdMeshers%2FStdMeshers_Projection_2D.cxx;h=b2700dfcc898bd10518213befa174104825b65a2;hp=66c8936280fb7271407aa60b095616cb84c763ae;hb=0fc0831670e27a5611b941c52dc152fd63964515;hpb=5482b99d07dd144fd5be299e722f39a81de3b5be diff --git a/src/StdMeshers/StdMeshers_Projection_2D.cxx b/src/StdMeshers/StdMeshers_Projection_2D.cxx index 66c893628..b2700dfcc 100644 --- a/src/StdMeshers/StdMeshers_Projection_2D.cxx +++ b/src/StdMeshers/StdMeshers_Projection_2D.cxx @@ -1,4 +1,4 @@ -// Copyright (C) 2007-2015 CEA/DEN, EDF R&D, OPEN CASCADE +// Copyright (C) 2007-2020 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 @@ -20,7 +20,7 @@ // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com // -// SMESH SMESH : implementaion of SMESH idl descriptions +// SMESH SMESH : implementation of SMESH idl descriptions // File : StdMeshers_Projection_2D.cxx // Module : SMESH // Created : Fri Oct 20 11:37:07 2006 @@ -35,23 +35,29 @@ #include "SMDS_EdgePosition.hxx" #include "SMDS_FacePosition.hxx" #include "SMESHDS_Hypothesis.hxx" +#include "SMESHDS_Mesh.hxx" #include "SMESHDS_SubMesh.hxx" #include "SMESH_Block.hxx" #include "SMESH_Comment.hxx" #include "SMESH_Gen.hxx" #include "SMESH_Mesh.hxx" +#include "SMESH_MeshAlgos.hxx" +#include "SMESH_MeshEditor.hxx" #include "SMESH_MesherHelper.hxx" #include "SMESH_Pattern.hxx" #include "SMESH_subMesh.hxx" #include "SMESH_subMeshEventListener.hxx" -#include "utilities.h" +#include +#include #include +#include #include #include #include #include +#include #include #include #include @@ -67,6 +73,10 @@ using namespace std; #define RETURN_BAD_RESULT(msg) { MESSAGE(")-: Error: " << msg); return false; } +#ifdef _DEBUG_ +// enable printing algo + projection shapes while meshing +//#define PRINT_WHO_COMPUTE_WHAT +#endif namespace TAssocTool = StdMeshers_ProjectionUtils; //typedef StdMeshers_ProjectionUtils TAssocTool; @@ -76,8 +86,8 @@ namespace TAssocTool = StdMeshers_ProjectionUtils; //purpose : //======================================================================= -StdMeshers_Projection_2D::StdMeshers_Projection_2D(int hypId, int studyId, SMESH_Gen* gen) - :SMESH_2D_Algo(hypId, studyId, gen) +StdMeshers_Projection_2D::StdMeshers_Projection_2D(int hypId, SMESH_Gen* gen) + :SMESH_2D_Algo(hypId, gen) { _name = "Projection_2D"; _compatibleHypothesis.push_back("ProjectionSource2D"); @@ -259,7 +269,7 @@ namespace { //================================================================================ /*! * \brief find new nodes belonging to one free border of mesh on face - * \param sm - submesh on edge or vertex containg nodes to choose from + * \param sm - submesh on edge or vertex containing nodes to choose from * \param face - the face bound by the submesh * \param u2nodes - map to fill with nodes * \param seamNodes - set of found nodes @@ -362,8 +372,7 @@ namespace { if ( node->GetPosition()->GetTypeOfPosition() != SMDS_TOP_EDGE ) RETURN_BAD_RESULT("Bad node position type: node " << node->GetID() << " pos type " << node->GetPosition()->GetTypeOfPosition()); - const SMDS_EdgePosition* pos = - static_cast(node->GetPosition()); + SMDS_EdgePositionPtr pos = node->GetPosition(); u2nodes.insert( make_pair( pos->GetUParameter(), node )); seamNodes.insert( node ); } @@ -417,6 +426,7 @@ namespace { const TopoDS_Face& srcFace, SMESH_Mesh * tgtMesh, SMESH_Mesh * srcMesh, + SMESH_MesherHelper* tgtHelper, const TAssocTool::TShapeShapeMap& shape2ShapeMap, TSideVector& srcWires, TSideVector& tgtWires, @@ -427,13 +437,15 @@ namespace { // get ordered src EDGEs TError err; - srcWires = StdMeshers_FaceSide::GetFaceWires( srcFace, *srcMesh,/*skipMediumNodes=*/0, err); + srcWires = StdMeshers_FaceSide::GetFaceWires( srcFace, *srcMesh,/*skipMediumNodes=*/0, err ); if (( err && !err->IsOK() ) || ( srcWires.empty() )) return err; - - SMESH_MesherHelper srcHelper( *srcMesh ); - srcHelper.SetSubShape( srcFace ); +#ifdef PRINT_WHO_COMPUTE_WHAT + cout << "Projection_2D" << " F " + << tgtMesh->GetMeshDS()->ShapeToIndex( tgtFace ) << " <- " + << srcMesh->GetMeshDS()->ShapeToIndex( srcFace ) << endl; +#endif // make corresponding sequence of tgt EDGEs tgtWires.resize( srcWires.size() ); @@ -480,13 +492,19 @@ namespace { tgtWires[ iW ].reset( new StdMeshers_FaceSide( tgtFace, tgtEdges, tgtMesh, /*theIsForward = */ true, - /*theIgnoreMediumNodes = */false)); + /*theIgnoreMediumNodes = */false, + tgtHelper )); StdMeshers_FaceSidePtr tgtWire = tgtWires[ iW ]; // Fill map of src to tgt nodes with nodes on edges for ( int iE = 0; iE < srcWire->NbEdges(); ++iE ) { +#ifdef PRINT_WHO_COMPUTE_WHAT + if ( tgtMesh->GetSubMesh( tgtWire->Edge(iE) )->IsEmpty() ) + cout << "Projection_2D" << " E " + << tgtWire->EdgeID(iE) << " <- " << srcWire->EdgeID(iE) << endl; +#endif if ( srcMesh->GetSubMesh( srcWire->Edge(iE) )->IsEmpty() || tgtMesh->GetSubMesh( tgtWire->Edge(iE) )->IsEmpty() ) { @@ -499,9 +517,11 @@ namespace { else { const bool skipMedium = true, isFwd = true; - StdMeshers_FaceSide srcEdge( srcFace, srcWire->Edge(iE), srcMesh, isFwd, skipMedium); - StdMeshers_FaceSide tgtEdge( tgtFace, tgtWire->Edge(iE), tgtMesh, isFwd, skipMedium); - + StdMeshers_FaceSide srcEdge( srcFace, srcWire->Edge(iE), + srcMesh, isFwd, skipMedium, srcWires[0]->FaceHelper() ); + StdMeshers_FaceSide tgtEdge( tgtFace, tgtWire->Edge(iE), + tgtMesh, isFwd, skipMedium, tgtHelper); + vector< const SMDS_MeshNode* > srcNodes = srcEdge.GetOrderedNodes(); vector< const SMDS_MeshNode* > tgtNodes = tgtEdge.GetOrderedNodes(); @@ -535,7 +555,7 @@ namespace { //================================================================================ /*! - * \brief Preform projection in case if tgtFace.IsPartner( srcFace ) and in case + * \brief Perform projection in case if tgtFace.IsPartner( srcFace ) and in case * if projection by 3D transformation is possible */ //================================================================================ @@ -548,11 +568,11 @@ namespace { TAssocTool::TNodeNodeMap& src2tgtNodes, const bool is1DComputed) { - SMESH_Mesh * tgtMesh = tgtWires[0]->GetMesh(); - SMESH_Mesh * srcMesh = srcWires[0]->GetMesh(); - SMESHDS_Mesh* tgtMeshDS = tgtMesh->GetMeshDS(); - SMESHDS_Mesh* srcMeshDS = srcMesh->GetMeshDS(); - SMESH_MesherHelper helper( *tgtMesh ); + SMESH_Mesh * tgtMesh = tgtWires[0]->GetMesh(); + SMESH_Mesh * srcMesh = srcWires[0]->GetMesh(); + SMESHDS_Mesh* tgtMeshDS = tgtMesh->GetMeshDS(); + SMESHDS_Mesh* srcMeshDS = srcMesh->GetMeshDS(); + SMESH_MesherHelper* helper = tgtWires[0]->FaceHelper(); const double tol = 1.e-7 * srcMeshDS->getMaxDim(); @@ -629,7 +649,7 @@ namespace { 0.123 * ( srcSurf.FirstVParameter() + srcSurf.LastVParameter() )); gp_Pnt tgtTrsfP = trsf.Transform( srcP ); TopLoc_Location loc; - GeomAPI_ProjectPointOnSurf& proj = helper.GetProjector( tgtFace, loc, 0.1*tol ); + GeomAPI_ProjectPointOnSurf& proj = helper->GetProjector( tgtFace, loc, 0.1*tol ); if ( !loc.IsIdentity() ) tgtTrsfP.Transform( loc.Transformation().Inverted() ); proj.Perform( tgtTrsfP ); @@ -644,15 +664,15 @@ namespace { // Make new faces // prepare the helper to adding quadratic elements if necessary - //helper.SetSubShape( tgtFace ); - helper.IsQuadraticSubMesh( tgtFace ); + helper->IsQuadraticSubMesh( tgtFace ); SMESHDS_SubMesh* srcSubDS = srcMeshDS->MeshElements( srcFace ); if ( !is1DComputed && srcSubDS->NbElements() ) - helper.SetIsQuadratic( srcSubDS->GetElements()->next()->IsQuadratic() ); + helper->SetIsQuadratic( srcSubDS->GetElements()->next()->IsQuadratic() ); - SMESH_MesherHelper srcHelper( *srcMesh ); - srcHelper.SetSubShape( srcFace ); + SMESH_MesherHelper* srcHelper = srcWires[0]->FaceHelper(); + SMESH_MesherHelper edgeHelper( *tgtMesh ); + edgeHelper.ToFixNodeParameters( true ); const SMDS_MeshNode* nullNode = 0; TAssocTool::TNodeNodeMap::iterator srcN_tgtN; @@ -670,7 +690,7 @@ namespace { const SMDS_MeshElement* elem = elemIt->next(); const int nbN = elem->NbCornerNodes(); tgtNodes.resize( nbN ); - helper.SetElementsOnShape( false ); + helper->SetElementsOnShape( false ); for ( int i = 0; i < nbN; ++i ) // loop on nodes of the source element { const SMDS_MeshNode* srcNode = elem->GetNode(i); @@ -679,22 +699,41 @@ namespace { { // create a new node gp_Pnt tgtP = trsf.Transform( SMESH_TNodeXYZ( srcNode )); - SMDS_MeshNode* n = helper.AddNode( tgtP.X(), tgtP.Y(), tgtP.Z() ); + SMDS_MeshNode* n = helper->AddNode( tgtP.X(), tgtP.Y(), tgtP.Z() ); srcN_tgtN->second = n; switch ( srcNode->GetPosition()->GetTypeOfPosition() ) { case SMDS_TOP_FACE: { - gp_Pnt2d srcUV = srcHelper.GetNodeUV( srcFace, srcNode ); - tgtMeshDS->SetNodeOnFace( n, helper.GetSubShapeID(), srcUV.X(), srcUV.Y() ); + gp_Pnt2d srcUV = srcHelper->GetNodeUV( srcFace, srcNode ); + tgtMeshDS->SetNodeOnFace( n, helper->GetSubShapeID(), srcUV.X(), srcUV.Y() ); break; } case SMDS_TOP_EDGE: { - const TopoDS_Shape & srcE = srcMeshDS->IndexToShape( srcNode->getshapeId() ); - const TopoDS_Shape & tgtE = shape2ShapeMap( srcE, /*isSrc=*/true ); - double srcU = srcHelper.GetNodeU( TopoDS::Edge( srcE ), srcNode ); - tgtMeshDS->SetNodeOnEdge( n, TopoDS::Edge( tgtE ), srcU ); + const TopoDS_Edge& srcE = TopoDS::Edge( srcMeshDS->IndexToShape( srcNode->getshapeId())); + const TopoDS_Edge& tgtE = TopoDS::Edge( shape2ShapeMap( srcE, /*isSrc=*/true )); + double srcU = srcHelper->GetNodeU( srcE, srcNode ); + tgtMeshDS->SetNodeOnEdge( n, tgtE, srcU ); + if ( !tgtFace.IsPartner( srcFace )) + { + edgeHelper.SetSubShape( tgtE ); + double tol = BRep_Tool::Tolerance( tgtE ); + bool isOk = edgeHelper.CheckNodeU( tgtE, n, srcU, 2 * tol, /*force=*/true ); + if ( !isOk ) // projection of n to tgtE failed (23395) + { + double sF, sL, tF, tL; + BRep_Tool::Range( srcE, sF, sL ); + BRep_Tool::Range( tgtE, tF, tL ); + double srcR = ( srcU - sF ) / ( sL - sF ); + double tgtU = tF + srcR * ( tL - tF ); + tgtMeshDS->SetNodeOnEdge( n, tgtE, tgtU ); + gp_Pnt newP = BRepAdaptor_Curve( tgtE ).Value( tgtU ); + double dist = newP.Distance( tgtP ); + if ( tol < dist && dist < 1000*tol ) + tgtMeshDS->MoveNode( n, newP.X(), newP.Y(), newP.Z() ); + } + } break; } case SMDS_TOP_VERTEX: @@ -710,14 +749,14 @@ namespace { tgtNodes[i] = srcN_tgtN->second; } // create a new face - helper.SetElementsOnShape( true ); + helper->SetElementsOnShape( true ); switch ( nbN ) { - case 3: helper.AddFace(tgtNodes[0], tgtNodes[tri1], tgtNodes[tri2]); break; - case 4: helper.AddFace(tgtNodes[0], tgtNodes[quad1], tgtNodes[2], tgtNodes[quad3]); break; + case 3: helper->AddFace(tgtNodes[0], tgtNodes[tri1], tgtNodes[tri2]); break; + case 4: helper->AddFace(tgtNodes[0], tgtNodes[quad1], tgtNodes[2], tgtNodes[quad3]); break; default: if ( isReverse ) std::reverse( tgtNodes.begin(), tgtNodes.end() ); - helper.AddPolygonalFace( tgtNodes ); + helper->AddPolygonalFace( tgtNodes ); } } @@ -725,12 +764,9 @@ namespace { if ( !tgtFace.IsPartner( srcFace ) ) { - SMESH_MesherHelper edgeHelper( *tgtMesh ); - edgeHelper.ToFixNodeParameters( true ); - helper.ToFixNodeParameters( true ); + helper->ToFixNodeParameters( true ); int nbOkPos = 0; - bool toCheck = true; const double tol2d = 1e-12; srcN_tgtN = src2tgtNodes.begin(); for ( ; srcN_tgtN != src2tgtNodes.end(); ++srcN_tgtN ) @@ -741,8 +777,8 @@ namespace { case SMDS_TOP_FACE: { if ( nbOkPos > 10 ) break; - gp_XY uv = helper.GetNodeUV( tgtFace, n ), uvBis = uv; - if (( helper.CheckNodeUV( tgtFace, n, uv, tol )) && + gp_XY uv = helper->GetNodeUV( tgtFace, n ), uvBis = uv; + if (( helper->CheckNodeUV( tgtFace, n, uv, tol )) && (( uv - uvBis ).SquareModulus() < tol2d )) ++nbOkPos; else @@ -751,9 +787,9 @@ namespace { } case SMDS_TOP_EDGE: { - const TopoDS_Edge & tgtE = TopoDS::Edge( tgtMeshDS->IndexToShape( n->getshapeId() )); - edgeHelper.SetSubShape( tgtE ); - edgeHelper.GetNodeU( tgtE, n, 0, &toCheck ); + // const TopoDS_Edge & tgtE = TopoDS::Edge( tgtMeshDS->IndexToShape( n->getshapeId() )); + // edgeHelper.SetSubShape( tgtE ); + // edgeHelper.GetNodeU( tgtE, n, 0, &toCheck ); break; } default:; @@ -767,7 +803,7 @@ namespace { //================================================================================ /*! - * \brief Preform projection in case if the faces are similar in 2D space + * \brief Perform projection in case if the faces are similar in 2D space */ //================================================================================ @@ -821,8 +857,8 @@ namespace { // find trsf const int totNbSeg = 50; vector< gp_XY > srcPnts, tgtPnts; - srcPnts.resize( totNbSeg ); - tgtPnts.resize( totNbSeg ); + srcPnts.reserve( totNbSeg ); + tgtPnts.reserve( totNbSeg ); for ( size_t iW = 0; iW < srcWires.size(); ++iW ) { const double minSegLen = srcWires[iW]->Length() / totNbSeg; @@ -862,18 +898,16 @@ namespace { SMESHDS_SubMesh* srcSubDS = srcMesh->GetMeshDS()->MeshElements( srcFace ); - SMESH_MesherHelper helper( *tgtMesh ); - helper.SetSubShape( tgtFace ); + SMESH_MesherHelper* helper = tgtWires[0]->FaceHelper(); if ( is1DComputed ) - helper.IsQuadraticSubMesh( tgtFace ); + helper->IsQuadraticSubMesh( tgtFace ); else - helper.SetIsQuadratic( srcSubDS->GetElements()->next()->IsQuadratic() ); - helper.SetElementsOnShape( true ); + helper->SetIsQuadratic( srcSubDS->GetElements()->next()->IsQuadratic() ); + helper->SetElementsOnShape( true ); Handle(Geom_Surface) tgtSurface = BRep_Tool::Surface( tgtFace ); SMESHDS_Mesh* tgtMeshDS = tgtMesh->GetMeshDS(); - SMESH_MesherHelper srcHelper( *srcMesh ); - srcHelper.SetSubShape( srcFace ); + SMESH_MesherHelper* srcHelper = srcWires[0]->FaceHelper(); const SMDS_MeshNode* nullNode = 0; TAssocTool::TNodeNodeMap::iterator srcN_tgtN; @@ -884,7 +918,7 @@ namespace { while ( elemIt->more() ) // loop on all mesh faces on srcFace { const SMDS_MeshElement* elem = elemIt->next(); - const int nbN = elem->NbCornerNodes(); + const int nbN = elem->NbCornerNodes(); tgtNodes.resize( nbN ); for ( int i = 0; i < nbN; ++i ) // loop on nodes of the source element { @@ -893,27 +927,27 @@ namespace { if ( srcN_tgtN->second == nullNode ) { // create a new node - gp_Pnt2d srcUV = srcHelper.GetNodeUV( srcFace, srcNode, - elem->GetNode( helper.WrapIndex(i+1,nbN)), &uvOK); + gp_Pnt2d srcUV = srcHelper->GetNodeUV( srcFace, srcNode, + elem->GetNode( helper->WrapIndex(i+1,nbN)), &uvOK); gp_Pnt2d tgtUV = trsf.Transform( srcUV ); gp_Pnt tgtP = tgtSurface->Value( tgtUV.X(), tgtUV.Y() ); SMDS_MeshNode* n = tgtMeshDS->AddNode( tgtP.X(), tgtP.Y(), tgtP.Z() ); switch ( srcNode->GetPosition()->GetTypeOfPosition() ) { case SMDS_TOP_FACE: { - tgtMeshDS->SetNodeOnFace( n, helper.GetSubShapeID(), tgtUV.X(), tgtUV.Y() ); + tgtMeshDS->SetNodeOnFace( n, helper->GetSubShapeID(), tgtUV.X(), tgtUV.Y() ); break; } case SMDS_TOP_EDGE: { - TopoDS_Shape srcEdge = srcHelper.GetSubShapeByNode( srcNode, srcHelper.GetMeshDS() ); + TopoDS_Shape srcEdge = srcHelper->GetSubShapeByNode( srcNode, srcHelper->GetMeshDS() ); TopoDS_Edge tgtEdge = TopoDS::Edge( shape2ShapeMap( srcEdge, /*isSrc=*/true )); double U = Precision::Infinite(); - helper.CheckNodeU( tgtEdge, n, U, Precision::PConfusion()); + helper->CheckNodeU( tgtEdge, n, U, Precision::PConfusion()); tgtMeshDS->SetNodeOnEdge( n, TopoDS::Edge( tgtEdge ), U ); break; } case SMDS_TOP_VERTEX: { - TopoDS_Shape srcV = srcHelper.GetSubShapeByNode( srcNode, srcHelper.GetMeshDS() ); + TopoDS_Shape srcV = srcHelper->GetSubShapeByNode( srcNode, srcHelper->GetMeshDS() ); TopoDS_Shape tgtV = shape2ShapeMap( srcV, /*isSrc=*/true ); tgtMeshDS->SetNodeOnVertex( n, TopoDS::Vertex( tgtV )); break; @@ -927,8 +961,8 @@ namespace { // create a new face (with reversed orientation) switch ( nbN ) { - case 3: helper.AddFace(tgtNodes[0], tgtNodes[2], tgtNodes[1]); break; - case 4: helper.AddFace(tgtNodes[0], tgtNodes[3], tgtNodes[2], tgtNodes[1]); break; + case 3: helper->AddFace(tgtNodes[0], tgtNodes[2], tgtNodes[1]); break; + case 4: helper->AddFace(tgtNodes[0], tgtNodes[3], tgtNodes[2], tgtNodes[1]); break; } } // loop on all mesh faces on srcFace @@ -937,7 +971,7 @@ namespace { //================================================================================ /*! - * \brief Preform projection in case of quadrilateral faces + * \brief Perform projection in case of quadrilateral faces */ //================================================================================ @@ -949,144 +983,142 @@ namespace { TAssocTool::TNodeNodeMap& src2tgtNodes, const bool is1DComputed) { - SMESH_Mesh * tgtMesh = tgtWires[0]->GetMesh(); - SMESH_Mesh * srcMesh = srcWires[0]->GetMesh(); - //SMESHDS_Mesh * tgtMeshDS = tgtMesh->GetMeshDS(); - SMESHDS_Mesh * srcMeshDS = srcMesh->GetMeshDS(); - - if ( srcWires[0]->NbEdges() != 4 ) - return false; - if ( !is1DComputed ) - return false; - for ( int iE = 0; iE < 4; ++iE ) - { - SMESHDS_SubMesh* sm = srcMeshDS->MeshElements( srcWires[0]->Edge( iE )); - if ( !sm ) return false; - if ( sm->NbNodes() + sm->NbElements() == 0 ) return false; - } - if ( BRepAdaptor_Surface( tgtFace ).GetType() != GeomAbs_Plane ) - return false; - // if ( BRepAdaptor_Surface( tgtFace ).GetType() == GeomAbs_Plane && - // BRepAdaptor_Surface( srcFace ).GetType() == GeomAbs_Plane ) - // return false; // too easy - - // load EDGEs to SMESH_Block - - SMESH_Block block; - TopTools_IndexedMapOfOrientedShape blockSubShapes; - { - const TopoDS_Solid& box = srcMesh->PseudoShape(); - TopoDS_Shell shell = TopoDS::Shell( TopExp_Explorer( box, TopAbs_SHELL ).Current() ); - TopoDS_Vertex v; - block.LoadBlockShapes( shell, v, v, blockSubShapes ); // fill all since operator[] is missing - } - const SMESH_Block::TShapeID srcFaceBID = SMESH_Block::ID_Fxy0; - const SMESH_Block::TShapeID tgtFaceBID = SMESH_Block::ID_Fxy1; - vector< int > edgeBID; - block.GetFaceEdgesIDs( srcFaceBID, edgeBID ); // u0, u1, 0v, 1v - blockSubShapes.Substitute( edgeBID[0], srcWires[0]->Edge(0) ); - blockSubShapes.Substitute( edgeBID[1], srcWires[0]->Edge(2) ); - blockSubShapes.Substitute( edgeBID[2], srcWires[0]->Edge(3) ); - blockSubShapes.Substitute( edgeBID[3], srcWires[0]->Edge(1) ); - block.GetFaceEdgesIDs( tgtFaceBID, edgeBID ); // u0, u1, 0v, 1v - blockSubShapes.Substitute( edgeBID[0], tgtWires[0]->Edge(0) ); - blockSubShapes.Substitute( edgeBID[1], tgtWires[0]->Edge(2) ); - blockSubShapes.Substitute( edgeBID[2], tgtWires[0]->Edge(3) ); - blockSubShapes.Substitute( edgeBID[3], tgtWires[0]->Edge(1) ); - block.LoadFace( srcFace, srcFaceBID, blockSubShapes ); - block.LoadFace( tgtFace, tgtFaceBID, blockSubShapes ); - - // remember connectivity of new faces in terms of ( node-or-XY ) - - typedef std::pair< const SMDS_MeshNode*, gp_XYZ > TNodeOrXY; // node-or-XY - typedef std::vector< TNodeOrXY* > TFaceConn; // face connectivity - std::vector< TFaceConn > newFacesVec; // connectivity of all faces - std::map< const SMDS_MeshNode*, TNodeOrXY > srcNode2tgtNXY; // src node -> node-or-XY - - TAssocTool::TNodeNodeMap::iterator srcN_tgtN; - std::map< const SMDS_MeshNode*, TNodeOrXY >::iterator srcN_tgtNXY; - std::pair< std::map< const SMDS_MeshNode*, TNodeOrXY >::iterator, bool > n2n_isNew; - TNodeOrXY nullNXY( (SMDS_MeshNode*)NULL, gp_XYZ(0,0,0) ); - - SMESHDS_SubMesh* srcSubDS = srcMeshDS->MeshElements( srcFace ); - newFacesVec.resize( srcSubDS->NbElements() ); - int iFaceSrc = 0; + // SMESH_Mesh * tgtMesh = tgtWires[0]->GetMesh(); + // SMESH_Mesh * srcMesh = srcWires[0]->GetMesh(); + // //SMESHDS_Mesh * tgtMeshDS = tgtMesh->GetMeshDS(); + // SMESHDS_Mesh * srcMeshDS = srcMesh->GetMeshDS(); + + // if ( srcWires[0]->NbEdges() != 4 ) + // return false; + // if ( !is1DComputed ) + // return false; + // for ( int iE = 0; iE < 4; ++iE ) + // { + // SMESHDS_SubMesh* sm = srcMeshDS->MeshElements( srcWires[0]->Edge( iE )); + // if ( !sm ) return false; + // if ( sm->NbNodes() + sm->NbElements() == 0 ) return false; + // } + // if ( BRepAdaptor_Surface( tgtFace ).GetType() != GeomAbs_Plane ) + // return false; + // // if ( BRepAdaptor_Surface( tgtFace ).GetType() == GeomAbs_Plane && + // // BRepAdaptor_Surface( srcFace ).GetType() == GeomAbs_Plane ) + // // return false; // too easy - SMDS_ElemIteratorPtr elemIt = srcSubDS->GetElements(); - while ( elemIt->more() ) // loop on all mesh faces on srcFace - { - const SMDS_MeshElement* elem = elemIt->next(); - TFaceConn& tgtNodes = newFacesVec[ iFaceSrc++ ]; + // // load EDGEs to SMESH_Block - const int nbN = elem->NbCornerNodes(); - tgtNodes.resize( nbN ); - for ( int i = 0; i < nbN; ++i ) // loop on nodes of the source element - { - const SMDS_MeshNode* srcNode = elem->GetNode(i); - n2n_isNew = srcNode2tgtNXY.insert( make_pair( srcNode, nullNXY )); - TNodeOrXY & tgtNodeOrXY = n2n_isNew.first->second; - if ( n2n_isNew.second ) // new src node encounters - { - srcN_tgtN = src2tgtNodes.find( srcNode ); - if ( srcN_tgtN != src2tgtNodes.end() ) - { - tgtNodeOrXY.first = srcN_tgtN->second; // tgt node exists - } - else - { - // find XY of src node withing the quadrilateral srcFace - if ( !block.ComputeParameters( SMESH_TNodeXYZ( srcNode ), - tgtNodeOrXY.second, srcFaceBID )) - return false; - } - } - tgtNodes[ i ] = & tgtNodeOrXY; - } - } + // SMESH_Block block; + // TopTools_IndexedMapOfOrientedShape blockSubShapes; + // { + // const TopoDS_Solid& box = srcMesh->PseudoShape(); + // TopoDS_Shell shell = TopoDS::Shell( TopExp_Explorer( box, TopAbs_SHELL ).Current() ); + // TopoDS_Vertex v; + // block.LoadBlockShapes( shell, v, v, blockSubShapes ); // fill all since operator[] is missing + // } + // const SMESH_Block::TShapeID srcFaceBID = SMESH_Block::ID_Fxy0; + // const SMESH_Block::TShapeID tgtFaceBID = SMESH_Block::ID_Fxy1; + // vector< int > edgeBID; + // block.GetFaceEdgesIDs( srcFaceBID, edgeBID ); // u0, u1, 0v, 1v + // blockSubShapes.Substitute( edgeBID[0], srcWires[0]->Edge(0) ); + // blockSubShapes.Substitute( edgeBID[1], srcWires[0]->Edge(2) ); + // blockSubShapes.Substitute( edgeBID[2], srcWires[0]->Edge(3) ); + // blockSubShapes.Substitute( edgeBID[3], srcWires[0]->Edge(1) ); + // block.GetFaceEdgesIDs( tgtFaceBID, edgeBID ); // u0, u1, 0v, 1v + // blockSubShapes.Substitute( edgeBID[0], tgtWires[0]->Edge(0) ); + // blockSubShapes.Substitute( edgeBID[1], tgtWires[0]->Edge(2) ); + // blockSubShapes.Substitute( edgeBID[2], tgtWires[0]->Edge(3) ); + // blockSubShapes.Substitute( edgeBID[3], tgtWires[0]->Edge(1) ); + // block.LoadFace( srcFace, srcFaceBID, blockSubShapes ); + // block.LoadFace( tgtFace, tgtFaceBID, blockSubShapes ); + + // // remember connectivity of new faces in terms of ( node-or-XY ) + + // typedef std::pair< const SMDS_MeshNode*, gp_XYZ > TNodeOrXY; // node-or-XY + // typedef std::vector< TNodeOrXY* > TFaceConn; // face connectivity + // std::vector< TFaceConn > newFacesVec; // connectivity of all faces + // std::map< const SMDS_MeshNode*, TNodeOrXY > srcNode2tgtNXY; // src node -> node-or-XY + + // TAssocTool::TNodeNodeMap::iterator srcN_tgtN; + // std::map< const SMDS_MeshNode*, TNodeOrXY >::iterator srcN_tgtNXY; + // std::pair< std::map< const SMDS_MeshNode*, TNodeOrXY >::iterator, bool > n2n_isNew; + // TNodeOrXY nullNXY( (SMDS_MeshNode*)NULL, gp_XYZ(0,0,0) ); + + // SMESHDS_SubMesh* srcSubDS = srcMeshDS->MeshElements( srcFace ); + // newFacesVec.resize( srcSubDS->NbElements() ); + // int iFaceSrc = 0; + + // SMDS_ElemIteratorPtr elemIt = srcSubDS->GetElements(); + // while ( elemIt->more() ) // loop on all mesh faces on srcFace + // { + // const SMDS_MeshElement* elem = elemIt->next(); + // TFaceConn& tgtNodes = newFacesVec[ iFaceSrc++ ]; + + // const int nbN = elem->NbCornerNodes(); + // tgtNodes.resize( nbN ); + // for ( int i = 0; i < nbN; ++i ) // loop on nodes of the source element + // { + // const SMDS_MeshNode* srcNode = elem->GetNode(i); + // n2n_isNew = srcNode2tgtNXY.insert( make_pair( srcNode, nullNXY )); + // TNodeOrXY & tgtNodeOrXY = n2n_isNew.first->second; + // if ( n2n_isNew.second ) // new src node encounters + // { + // srcN_tgtN = src2tgtNodes.find( srcNode ); + // if ( srcN_tgtN != src2tgtNodes.end() ) + // { + // tgtNodeOrXY.first = srcN_tgtN->second; // tgt node exists + // } + // else + // { + // // find XY of src node within the quadrilateral srcFace + // if ( !block.ComputeParameters( SMESH_TNodeXYZ( srcNode ), + // tgtNodeOrXY.second, srcFaceBID )) + // return false; + // } + // } + // tgtNodes[ i ] = & tgtNodeOrXY; + // } + // } - // as all XY are computed, create tgt nodes and faces + // // as all XY are computed, create tgt nodes and faces - SMESH_MesherHelper helper( *tgtMesh ); - helper.SetSubShape( tgtFace ); - if ( is1DComputed ) - helper.IsQuadraticSubMesh( tgtFace ); - else - helper.SetIsQuadratic( srcSubDS->GetElements()->next()->IsQuadratic() ); - helper.SetElementsOnShape( true ); - Handle(Geom_Surface) tgtSurface = BRep_Tool::Surface( tgtFace ); + // SMESH_MesherHelper helper = *tgtWires[0]->FaceHelper(); + // if ( is1DComputed ) + // helper.IsQuadraticSubMesh( tgtFace ); + // else + // helper.SetIsQuadratic( srcSubDS->GetElements()->next()->IsQuadratic() ); + // helper.SetElementsOnShape( true ); + // Handle(Geom_Surface) tgtSurface = BRep_Tool::Surface( tgtFace ); - SMESH_MesherHelper srcHelper( *srcMesh ); - srcHelper.SetSubShape( srcFace ); + // SMESH_MesherHelper srcHelper = *srcWires[0]->FaceHelper(); - vector< const SMDS_MeshNode* > tgtNodes; - gp_XY uv; + // vector< const SMDS_MeshNode* > tgtNodes; + // gp_XY uv; - for ( size_t iFaceTgt = 0; iFaceTgt < newFacesVec.size(); ++iFaceTgt ) - { - TFaceConn& tgtConn = newFacesVec[ iFaceTgt ]; - tgtNodes.resize( tgtConn.size() ); - for ( size_t iN = 0; iN < tgtConn.size(); ++iN ) - { - const SMDS_MeshNode* & tgtN = tgtConn[ iN ]->first; - if ( !tgtN ) // create a node - { - if ( !block.FaceUV( tgtFaceBID, tgtConn[iN]->second, uv )) - return false; - gp_Pnt p = tgtSurface->Value( uv.X(), uv.Y() ); - tgtN = helper.AddNode( p.X(), p.Y(), p.Z(), uv.X(), uv.Y() ); - } - tgtNodes[ tgtNodes.size() - iN - 1] = tgtN; // reversed orientation - } - switch ( tgtNodes.size() ) - { - case 3: helper.AddFace(tgtNodes[0], tgtNodes[1], tgtNodes[2]); break; - case 4: helper.AddFace(tgtNodes[0], tgtNodes[1], tgtNodes[2], tgtNodes[3]); break; - default: - if ( tgtNodes.size() > 4 ) - helper.AddPolygonalFace( tgtNodes ); - } - } - return true; + // for ( size_t iFaceTgt = 0; iFaceTgt < newFacesVec.size(); ++iFaceTgt ) + // { + // TFaceConn& tgtConn = newFacesVec[ iFaceTgt ]; + // tgtNodes.resize( tgtConn.size() ); + // for ( size_t iN = 0; iN < tgtConn.size(); ++iN ) + // { + // const SMDS_MeshNode* & tgtN = tgtConn[ iN ]->first; + // if ( !tgtN ) // create a node + // { + // if ( !block.FaceUV( tgtFaceBID, tgtConn[iN]->second, uv )) + // return false; + // gp_Pnt p = tgtSurface->Value( uv.X(), uv.Y() ); + // tgtN = helper.AddNode( p.X(), p.Y(), p.Z(), uv.X(), uv.Y() ); + // } + // tgtNodes[ tgtNodes.size() - iN - 1] = tgtN; // reversed orientation + // } + // switch ( tgtNodes.size() ) + // { + // case 3: helper.AddFace(tgtNodes[0], tgtNodes[1], tgtNodes[2]); break; + // case 4: helper.AddFace(tgtNodes[0], tgtNodes[1], tgtNodes[2], tgtNodes[3]); break; + // default: + // if ( tgtNodes.size() > 4 ) + // helper.AddPolygonalFace( tgtNodes ); + // } + // } + return false; //true; } // bool projectQuads(...) @@ -1101,7 +1133,7 @@ namespace { { SMESH_subMesh* faceSM = helper.GetMesh()->GetSubMesh( helper.GetSubShape() ); - if ( helper.IsDistorted2D( faceSM, /*checkUV=*/false )) + //if ( helper.IsDistorted2D( faceSM, /*checkUV=*/true )) { SMESH_MeshEditor editor( helper.GetMesh() ); SMESHDS_SubMesh* smDS = faceSM->GetSubMeshDS(); @@ -1147,6 +1179,51 @@ namespace { return true; } + //======================================================================= + /* + * Set initial association of VERTEXes for the case of projection + * from a quadrangle FACE to a closed FACE, where opposite src EDGEs + * have different nb of segments + */ + //======================================================================= + + void initAssoc4Quad2Closed(const TopoDS_Shape& tgtFace, + SMESH_MesherHelper& tgtHelper, + const TopoDS_Shape& srcFace, + SMESH_Mesh* srcMesh, + TAssocTool::TShapeShapeMap & assocMap) + { + if ( !tgtHelper.HasRealSeam() || srcFace.ShapeType() != TopAbs_FACE ) + return; // no seam edge + list< TopoDS_Edge > tgtEdges, srcEdges; + list< int > tgtNbEW, srcNbEW; + int tgtNbW = SMESH_Block::GetOrderedEdges( TopoDS::Face( tgtFace ), tgtEdges, tgtNbEW ); + int srcNbW = SMESH_Block::GetOrderedEdges( TopoDS::Face( srcFace ), srcEdges, srcNbEW ); + if ( tgtNbW != 1 || srcNbW != 1 || + tgtNbEW.front() != 4 || srcNbEW.front() != 4 ) + return; // not quads + + int srcNbSeg[4]; + list< TopoDS_Edge >::iterator edgeS = srcEdges.begin(), edgeT = tgtEdges.begin(); + for ( int i = 0; edgeS != srcEdges.end(); ++i, ++edgeS ) + if ( SMESHDS_SubMesh* sm = srcMesh->GetMeshDS()->MeshElements( *edgeS )) + srcNbSeg[ i ] = sm->NbNodes(); + else + return; // not meshed + if ( srcNbSeg[0] == srcNbSeg[2] && srcNbSeg[1] == srcNbSeg[3] ) + return; // same nb segments + if ( srcNbSeg[0] != srcNbSeg[2] && srcNbSeg[1] != srcNbSeg[3] ) + return; // all different nb segments + + edgeS = srcEdges.begin(); + if ( srcNbSeg[0] != srcNbSeg[2] ) + ++edgeS; + TAssocTool::InsertAssociation( tgtHelper.IthVertex( 0,*edgeT ), + tgtHelper.IthVertex( 0,*edgeS ), assocMap ); + TAssocTool::InsertAssociation( tgtHelper.IthVertex( 1,*edgeT ), + tgtHelper.IthVertex( 1,*edgeS ), assocMap ); + } + } // namespace @@ -1159,7 +1236,6 @@ bool StdMeshers_Projection_2D::Compute(SMESH_Mesh& theMesh, const TopoDS_Shape& { _src2tgtNodes.clear(); - MESSAGE("Projection_2D Compute"); if ( !_sourceHypo ) return false; @@ -1178,8 +1254,12 @@ bool StdMeshers_Projection_2D::Compute(SMESH_Mesh& theMesh, const TopoDS_Shape& TopoDS_Face tgtFace = TopoDS::Face( theShape.Oriented(TopAbs_FORWARD)); TopoDS_Shape srcShape = _sourceHypo->GetSourceFace().Oriented(TopAbs_FORWARD); + helper.SetSubShape( tgtFace ); + TAssocTool::TShapeShapeMap shape2ShapeMap; TAssocTool::InitVertexAssociation( _sourceHypo, shape2ShapeMap ); + if ( shape2ShapeMap.IsEmpty() ) + initAssoc4Quad2Closed( tgtFace, helper, srcShape, srcMesh, shape2ShapeMap ); if ( !TAssocTool::FindSubShapeAssociation( tgtFace, tgtMesh, srcShape, srcMesh, shape2ShapeMap) || !shape2ShapeMap.IsBound( tgtFace )) @@ -1197,23 +1277,6 @@ bool StdMeshers_Projection_2D::Compute(SMESH_Mesh& theMesh, const TopoDS_Shape& } TopoDS_Face srcFace = TopoDS::Face( shape2ShapeMap( tgtFace ).Oriented(TopAbs_FORWARD)); - // orient faces - // if ( srcMesh == tgtMesh ) - // { - // TopoDS_Shape solid = - // helper.GetCommonAncestor( srcFace, tgtFace, *tgtMesh, TopAbs_SOLID ); - // if ( !solid.IsNull() ) - // { - // srcFace.Orientation( helper.GetSubShapeOri( solid, srcFace )); - // tgtFace.Orientation( helper.GetSubShapeOri( solid, tgtFace )); - // } - // else if ( helper.NbAncestors( srcFace, *tgtMesh, TopAbs_SOLID ) == 1 && - // helper.NbAncestors( tgtFace, *tgtMesh, TopAbs_SOLID ) == 1 ) - // { - // srcFace.Orientation( helper.GetSubShapeOri( tgtMesh->GetShapeToMesh(), srcFace )); - // tgtFace.Orientation( helper.GetSubShapeOri( tgtMesh->GetShapeToMesh(), tgtFace )); - // } - // } // ---------------------------------------------- // Assure that mesh on a source Face is computed // ---------------------------------------------- @@ -1240,7 +1303,7 @@ bool StdMeshers_Projection_2D::Compute(SMESH_Mesh& theMesh, const TopoDS_Shape& // get ordered src and tgt EDGEs TSideVector srcWires, tgtWires; bool is1DComputed = false; // if any tgt EDGE is meshed - TError err = getWires( tgtFace, srcFace, tgtMesh, srcMesh, + TError err = getWires( tgtFace, srcFace, tgtMesh, srcMesh, &helper, shape2ShapeMap, srcWires, tgtWires, _src2tgtNodes, is1DComputed ); if ( err && !err->IsOK() ) return error( err ); @@ -1257,17 +1320,16 @@ bool StdMeshers_Projection_2D::Compute(SMESH_Mesh& theMesh, const TopoDS_Shape& { // projection in case if the faces are similar in 2D space projDone = projectBy2DSimilarity( tgtFace, srcFace, tgtWires, srcWires, - shape2ShapeMap, _src2tgtNodes, is1DComputed); + shape2ShapeMap, _src2tgtNodes, is1DComputed ); } if ( !projDone ) { // projection in case of quadrilateral faces - // projDone = projectQuads( tgtFace, srcFace, tgtWires, srcWires, - // shape2ShapeMap, _src2tgtNodes, is1DComputed); + // NOT IMPLEMENTED, returns false + projDone = projectQuads( tgtFace, srcFace, tgtWires, srcWires, + shape2ShapeMap, _src2tgtNodes, is1DComputed); } - helper.SetSubShape( tgtFace ); - // it will remove mesh built on edges and vertices in failure case MeshCleaner cleaner( tgtSubMesh ); @@ -1318,11 +1380,12 @@ bool StdMeshers_Projection_2D::Compute(SMESH_Mesh& theMesh, const TopoDS_Shape& TopoDS_Edge srcE1 = srcEdges.front(), tgtE1 = tgtEdges.front(); TopoDS_Shape srcE1bis = shape2ShapeMap( tgtE1 ); reverse = ( ! srcE1.IsSame( srcE1bis )); - if ( reverse && - //_sourceHypo->HasVertexAssociation() && + if ( ( reverse || srcE1.Orientation() != srcE1bis.Orientation() ) && nbEdgesInWires.front() > 2 && helper.IsRealSeam( tgtEdges.front() )) { + if ( srcE1.Orientation() != srcE1bis.Orientation() ) + reverse = true; // projection to a face with seam EDGE; pb is that GetOrderedEdges() // always puts a seam EDGE first (if possible) and as a result // we can't use only theReverse flag to correctly associate source @@ -1392,10 +1455,19 @@ bool StdMeshers_Projection_2D::Compute(SMESH_Mesh& theMesh, const TopoDS_Shape& } } } - else if ( nbEdgesInWires.front() == 1 ) + else if ( nbEdgesInWires.front() == 1 ) // a sole edge in a wire { - // TODO::Compare orientation of curves in a sole edge - //RETURN_BAD_RESULT("Not implemented case"); + TopoDS_Edge srcE1 = srcEdges.front(), tgtE1 = tgtEdges.front(); + for ( size_t iW = 0; iW < srcWires.size(); ++iW ) + { + StdMeshers_FaceSidePtr srcWire = srcWires[iW]; + for ( int iE = 0; iE < srcWire->NbEdges(); ++iE ) + if ( srcE1.IsSame( srcWire->Edge( iE ))) + { + reverse = ( tgtE1.Orientation() != tgtWires[iW]->Edge( iE ).Orientation() ); + break; + } + } } else { @@ -1404,7 +1476,7 @@ bool StdMeshers_Projection_2D::Compute(SMESH_Mesh& theMesh, const TopoDS_Shape& // Load pattern from the source face SMESH_Pattern mapper; - mapper.Load( srcMesh, srcFace, toProjectNodes, srcV1 ); + mapper.Load( srcMesh, srcFace, toProjectNodes, srcV1, /*keepNodes=*/true ); if ( mapper.GetErrorCode() != SMESH_Pattern::ERR_OK ) return error(COMPERR_BAD_INPUT_MESH,"Can't load mesh pattern from the source face"); @@ -1428,6 +1500,18 @@ bool StdMeshers_Projection_2D::Compute(SMESH_Mesh& theMesh, const TopoDS_Shape& if ( mapper.GetErrorCode() != SMESH_Pattern::ERR_OK ) return error("Can't make mesh by source mesh pattern"); + // fill _src2tgtNodes + std::vector< const SMDS_MeshNode* > *srcNodes, *tgtNodes; + mapper.GetInOutNodes( srcNodes, tgtNodes ); + size_t nbN = std::min( srcNodes->size(), tgtNodes->size() ); + for ( size_t i = 0; i < nbN; ++i ) + if ( (*srcNodes)[i] && (*tgtNodes)[i] ) + _src2tgtNodes.insert( make_pair( (*srcNodes)[i], (*tgtNodes)[i] )); + + + } // end of projection using Pattern mapping + + { // ------------------------------------------------------------------------- // mapper doesn't take care of nodes already existing on edges and vertices, // so we must merge nodes created by it with existing ones @@ -1467,7 +1551,7 @@ bool StdMeshers_Projection_2D::Compute(SMESH_Mesh& theMesh, const TopoDS_Shape& continue; // do not treat sm of degen VERTEX } - // Sort new and old nodes of a submesh separately + // Sort new and old nodes of a sub-mesh separately bool isSeam = helper.IsRealSeam( sm->GetId() ); @@ -1503,8 +1587,7 @@ bool StdMeshers_Projection_2D::Compute(SMESH_Mesh& theMesh, const TopoDS_Shape& break; } case SMDS_TOP_EDGE: { - const SMDS_EdgePosition* pos = - static_cast(node->GetPosition()); + SMDS_EdgePositionPtr pos = node->GetPosition(); pos2nodes.insert( make_pair( pos->GetUParameter(), node )); break; } @@ -1591,6 +1674,7 @@ bool StdMeshers_Projection_2D::Compute(SMESH_Mesh& theMesh, const TopoDS_Shape& // The mapper can't create quadratic elements, so convert if needed // ---------------------------------------------------------------- + SMDS_ElemIteratorPtr faceIt; faceIt = srcSubMesh->GetSubMeshDS()->GetElements(); bool srcIsQuad = faceIt->next()->IsQuadratic(); faceIt = tgtSubMesh->GetSubMeshDS()->GetElements(); @@ -1604,19 +1688,24 @@ bool StdMeshers_Projection_2D::Compute(SMESH_Mesh& theMesh, const TopoDS_Shape& editor.ConvertToQuadratic(/*theForce3d=*/false, tgtFaces, false); } - - } // end of projection using Pattern mapping + } // end of coincident nodes and quadratic elements treatment if ( !projDone || is1DComputed ) // ---------------------------------------------------------------- // The mapper can create distorted faces by placing nodes out of the FACE - // boundary, also bad face can be created if EDGEs already discretized + // boundary, also bad faces can be created if EDGEs already discretized // --> fix bad faces by smoothing // ---------------------------------------------------------------- - if ( !fixDistortedFaces( helper, tgtWires )) - return error("Invalid mesh generated"); + if ( helper.IsDistorted2D( tgtSubMesh, /*checkUV=*/false, &helper )) + { + TAssocTool::Morph morph( srcWires ); + morph.Perform( helper, tgtWires, helper.GetSurface( tgtFace ), + _src2tgtNodes, /*moveAll=*/true ); + if ( !fixDistortedFaces( helper, tgtWires )) + return error("Invalid mesh generated"); + } // --------------------------- // Check elements orientation // ---------------------------