X-Git-Url: http://git.salome-platform.org/gitweb/?a=blobdiff_plain;f=src%2FStdMeshers%2FStdMeshers_Quadrangle_2D.cxx;h=de0523143bd3ebe30604009bf7d70f669d16bf2f;hb=b860f3ffbde63f120fbd9fbd0f98552b25a6c44c;hp=3842b4733f56d8d937d25444bfb7de67257cb272;hpb=bd4e115a78b52e3fbc016e5e30bb0e19b2a9e7d6;p=modules%2Fsmesh.git diff --git a/src/StdMeshers/StdMeshers_Quadrangle_2D.cxx b/src/StdMeshers/StdMeshers_Quadrangle_2D.cxx index 3842b4733..de0523143 100644 --- a/src/StdMeshers/StdMeshers_Quadrangle_2D.cxx +++ b/src/StdMeshers/StdMeshers_Quadrangle_2D.cxx @@ -1,4 +1,4 @@ -// Copyright (C) 2007-2012 CEA/DEN, EDF R&D, OPEN CASCADE +// Copyright (C) 2007-2013 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 @@ -26,21 +26,19 @@ #include "StdMeshers_Quadrangle_2D.hxx" -#include "StdMeshers_FaceSide.hxx" - -#include "StdMeshers_QuadrangleParams.hxx" - +#include "SMDS_EdgePosition.hxx" +#include "SMDS_FacePosition.hxx" +#include "SMDS_MeshElement.hxx" +#include "SMDS_MeshNode.hxx" +#include "SMESH_Block.hxx" +#include "SMESH_Comment.hxx" #include "SMESH_Gen.hxx" #include "SMESH_Mesh.hxx" -#include "SMESH_subMesh.hxx" #include "SMESH_MesherHelper.hxx" -#include "SMESH_Block.hxx" -#include "SMESH_Comment.hxx" - -#include "SMDS_MeshElement.hxx" -#include "SMDS_MeshNode.hxx" -#include "SMDS_EdgePosition.hxx" -#include "SMDS_FacePosition.hxx" +#include "SMESH_subMesh.hxx" +#include "StdMeshers_FaceSide.hxx" +#include "StdMeshers_QuadrangleParams.hxx" +#include "StdMeshers_ViscousLayers2D.hxx" #include #include @@ -79,7 +77,13 @@ typedef SMESH_Comment TComm; StdMeshers_Quadrangle_2D::StdMeshers_Quadrangle_2D (int hypId, int studyId, SMESH_Gen* gen) - : SMESH_2D_Algo(hypId, studyId, gen) + : SMESH_2D_Algo(hypId, studyId, gen), + myQuadranglePreference(false), + myTrianglePreference(false), + myTriaVertexID(-1), + myNeedSmooth(false), + myQuadType(QUAD_STANDARD), + myHelper( 0 ) { MESSAGE("StdMeshers_Quadrangle_2D::StdMeshers_Quadrangle_2D"); _name = "Quadrangle_2D"; @@ -87,7 +91,7 @@ StdMeshers_Quadrangle_2D::StdMeshers_Quadrangle_2D (int hypId, int studyId, _compatibleHypothesis.push_back("QuadrangleParams"); _compatibleHypothesis.push_back("QuadranglePreference"); _compatibleHypothesis.push_back("TrianglePreference"); - myHelper = 0; + _compatibleHypothesis.push_back("ViscousLayers2D"); } //============================================================================= @@ -123,6 +127,7 @@ bool StdMeshers_Quadrangle_2D::CheckHypothesis myQuadType = QUAD_STANDARD; myQuadranglePreference = false; myTrianglePreference = false; + myQuadStruct.reset(); bool isFirstParams = true; @@ -193,11 +198,11 @@ bool StdMeshers_Quadrangle_2D::CheckHypothesis */ //============================================================================= -bool StdMeshers_Quadrangle_2D::Compute (SMESH_Mesh& aMesh, - const TopoDS_Shape& aShape)// throw (SALOME_Exception) +bool StdMeshers_Quadrangle_2D::Compute (SMESH_Mesh& aMesh, + const TopoDS_Shape& aShape) { - // PAL14921. Enable catching std::bad_alloc and Standard_OutOfMemory outside - //Unexpect aCatchSalomeException); + const TopoDS_Face& F = TopoDS::Face(aShape); + Handle(Geom_Surface) S = BRep_Tool::Surface(F); SMESHDS_Mesh * meshDS = aMesh.GetMeshDS(); aMesh.GetSubMesh(aShape); @@ -205,13 +210,17 @@ bool StdMeshers_Quadrangle_2D::Compute (SMESH_Mesh& aMesh, SMESH_MesherHelper helper (aMesh); myHelper = &helper; + myProxyMesh = StdMeshers_ViscousLayers2D::Compute( aMesh, F ); + if ( !myProxyMesh ) + return false; + _quadraticMesh = myHelper->IsQuadraticSubMesh(aShape); myNeedSmooth = false; - FaceQuadStruct *quad = CheckNbEdges(aMesh, aShape); - std::auto_ptr quadDeleter (quad); // to delete quad at exit from Compute() + FaceQuadStruct::Ptr quad = CheckNbEdges(aMesh, aShape); if (!quad) return false; + myQuadStruct = quad; if (myQuadranglePreference) { int n1 = quad->side[0]->NbPoints(); @@ -245,6 +254,17 @@ bool StdMeshers_Quadrangle_2D::Compute (SMESH_Mesh& aMesh, Smooth( quad ); return ok; } + if ( n1 != n3 && n2 != n4 ) + error( COMPERR_WARNING, + "To use 'Reduced' transition, " + "two opposite sides should have same number of segments, " + "but actual number of segments is different on all sides. " + "'Standard' transion has been used."); + else + error( COMPERR_WARNING, + "To use 'Reduced' transition, " + "two opposite sides should have an even difference in number of segments. " + "'Standard' transion has been used."); } // set normalized grid on unit square in parametric domain @@ -263,9 +283,6 @@ bool StdMeshers_Quadrangle_2D::Compute (SMESH_Mesh& aMesh, int nbhoriz = Min(nbdown, nbup); int nbvertic = Min(nbright, nbleft); - const TopoDS_Face& F = TopoDS::Face(aShape); - Handle(Geom_Surface) S = BRep_Tool::Surface(F); - // internal mesh nodes int i, j, geomFaceID = meshDS->ShapeToIndex(F); for (i = 1; i < nbhoriz - 1; i++) { @@ -307,10 +324,10 @@ bool StdMeshers_Quadrangle_2D::Compute (SMESH_Mesh& aMesh, for (i = ilow; i < iup; i++) { for (j = jlow; j < jup; j++) { const SMDS_MeshNode *a, *b, *c, *d; - a = quad->uv_grid[j * nbhoriz + i].node; - b = quad->uv_grid[j * nbhoriz + i + 1].node; + a = quad->uv_grid[j * nbhoriz + i ].node; + b = quad->uv_grid[j * nbhoriz + i + 1].node; c = quad->uv_grid[(j + 1) * nbhoriz + i + 1].node; - d = quad->uv_grid[(j + 1) * nbhoriz + i].node; + d = quad->uv_grid[(j + 1) * nbhoriz + i ].node; SMDS_MeshFace* face = myHelper->AddFace(a, b, c, d); if (face) { meshDS->SetMeshElementOnShape(face, geomFaceID); @@ -781,24 +798,25 @@ static bool twoEdgesMeatAtVertex(const TopoDS_Edge& e1, */ //============================================================================= -FaceQuadStruct* StdMeshers_Quadrangle_2D::CheckNbEdges(SMESH_Mesh & aMesh, - const TopoDS_Shape & aShape) - //throw(SALOME_Exception) +FaceQuadStruct::Ptr StdMeshers_Quadrangle_2D::CheckNbEdges(SMESH_Mesh & aMesh, + const TopoDS_Shape & aShape) { + if ( myQuadStruct && myQuadStruct->face.IsSame( aShape )) + return myQuadStruct; + TopoDS_Face F = TopoDS::Face(aShape); if ( F.Orientation() >= TopAbs_INTERNAL ) F.Orientation( TopAbs_FORWARD ); const bool ignoreMediumNodes = _quadraticMesh; // verify 1 wire only, with 4 edges - TopoDS_Vertex V; list< TopoDS_Edge > edges; list< int > nbEdgesInWire; - int nbWire = SMESH_Block::GetOrderedEdges (F, V, edges, nbEdgesInWire); + int nbWire = SMESH_Block::GetOrderedEdges (F, edges, nbEdgesInWire); if (nbWire != 1) { error(COMPERR_BAD_SHAPE, TComm("Wrong number of wires: ") << nbWire); - return 0; + return FaceQuadStruct::Ptr(); } - FaceQuadStruct* quad = new FaceQuadStruct; + FaceQuadStruct::Ptr quad( new FaceQuadStruct ); quad->uv_grid = 0; quad->side.reserve(nbEdgesInWire.front()); quad->face = F; @@ -809,7 +827,7 @@ FaceQuadStruct* StdMeshers_Quadrangle_2D::CheckNbEdges(SMESH_Mesh & aMes { SMESH_Comment comment; SMESHDS_Mesh* meshDS = aMesh.GetMeshDS(); - if (myTriaVertexID == -1) + if (myTriaVertexID < 1) { comment << "No Base vertex parameter provided for a trilateral geometrical face"; } @@ -831,9 +849,12 @@ FaceQuadStruct* StdMeshers_Quadrangle_2D::CheckNbEdges(SMESH_Mesh & aMes } if (!E1.IsNull() && !E2.IsNull() && !E3.IsNull()) { - quad->side.push_back(new StdMeshers_FaceSide(F, E1, &aMesh, true, ignoreMediumNodes)); - quad->side.push_back(new StdMeshers_FaceSide(F, E2, &aMesh, true, ignoreMediumNodes)); - quad->side.push_back(new StdMeshers_FaceSide(F, E3, &aMesh, false,ignoreMediumNodes)); + quad->side.push_back(new StdMeshers_FaceSide(F, E1, &aMesh, true, + ignoreMediumNodes, myProxyMesh)); + quad->side.push_back(new StdMeshers_FaceSide(F, E2, &aMesh, true, + ignoreMediumNodes, myProxyMesh)); + quad->side.push_back(new StdMeshers_FaceSide(F, E3, &aMesh, false, + ignoreMediumNodes, myProxyMesh)); const vector& UVPSleft = quad->side[0]->GetUVPtStruct(true,0); /* vector& UVPStop = */quad->side[1]->GetUVPtStruct(false,1); /* vector& UVPSright = */quad->side[2]->GetUVPtStruct(true,1); @@ -850,14 +871,14 @@ FaceQuadStruct* StdMeshers_Quadrangle_2D::CheckNbEdges(SMESH_Mesh & aMes comment << meshDS->ShapeToIndex(v.Current()) << (vMap.Extent()==3 ? "]" : ", "); } error(comment); - delete quad; - return quad = 0; + quad.reset(); + return quad; } else if (nbEdgesInWire.front() == 4) // exactly 4 edges { for (; edgeIt != edges.end(); ++edgeIt, nbSides++) - quad->side.push_back(new StdMeshers_FaceSide(F, *edgeIt, &aMesh, - nbSidesside.push_back(new StdMeshers_FaceSide(F, *edgeIt, &aMesh, nbSides < QUAD_TOP_SIDE, + ignoreMediumNodes, myProxyMesh)); } else if (nbEdgesInWire.front() > 4) // more than 4 edges - try to unite some { @@ -880,17 +901,17 @@ FaceQuadStruct* StdMeshers_Quadrangle_2D::CheckNbEdges(SMESH_Mesh & aMes sideEdges.splice(sideEdges.begin(), edges, --edges.end()); } } - if ( sideEdges.size() == 1 && BRep_Tool::Degenerated( sideEdges.front() )) + if ( sideEdges.size() == 1 && SMESH_Algo::isDegenerated( sideEdges.front() )) degenSides.push_back( nbSides ); - quad->side.push_back(new StdMeshers_FaceSide(F, sideEdges, &aMesh, - nbSidesside.push_back(new StdMeshers_FaceSide(F, sideEdges, &aMesh, nbSides < QUAD_TOP_SIDE, + ignoreMediumNodes, myProxyMesh)); ++nbSides; } if ( !degenSides.empty() && nbSides - degenSides.size() == 4 ) { myNeedSmooth = true; - for ( unsigned i = TOP_SIDE; i < quad->side.size(); ++i ) + for ( unsigned i = QUAD_TOP_SIDE; i < quad->side.size(); ++i ) quad->side[i]->Reverse(); for ( int i = degenSides.size()-1; i > -1; --i ) @@ -899,20 +920,19 @@ FaceQuadStruct* StdMeshers_Quadrangle_2D::CheckNbEdges(SMESH_Mesh & aMes delete degenSide; quad->side.erase( quad->side.begin() + degenSides[ i ] ); } - for ( unsigned i = TOP_SIDE; i < quad->side.size(); ++i ) + for ( unsigned i = QUAD_TOP_SIDE; i < quad->side.size(); ++i ) quad->side[i]->Reverse(); nbSides -= degenSides.size(); } // issue 20222. Try to unite only edges shared by two same faces - if (nbSides < 4) { - // delete found sides - { FaceQuadStruct cleaner(*quad); } - quad->side.clear(); + if (nbSides < 4) + { + quad.reset( new FaceQuadStruct ); quad->side.reserve(nbEdgesInWire.front()); nbSides = 0; - SMESH_Block::GetOrderedEdges (F, V, edges, nbEdgesInWire); + SMESH_Block::GetOrderedEdges (F, edges, nbEdgesInWire); while (!edges.empty()) { sideEdges.clear(); sideEdges.splice(sideEdges.end(), edges, edges.begin()); @@ -935,7 +955,8 @@ FaceQuadStruct* StdMeshers_Quadrangle_2D::CheckNbEdges(SMESH_Mesh & aMes } } quad->side.push_back(new StdMeshers_FaceSide(F, sideEdges, &aMesh, - nbSidesGetMeshDS()->ShapeToIndex(quad->side[i]->Edge(e)) << " "); MESSAGE (")\n"); } - //cout << endl; #endif if (!nbSides) nbSides = nbEdgesInWire.front(); error(COMPERR_BAD_SHAPE, TComm("Face must have 4 sides but not ") << nbSides); - delete quad; - quad = 0; + quad.reset(); } return quad; @@ -978,10 +997,9 @@ bool StdMeshers_Quadrangle_2D::CheckNbEdgesForEvaluate(SMESH_Mesh& aMesh, const TopoDS_Face & F = TopoDS::Face(aShape); // verify 1 wire only, with 4 edges - TopoDS_Vertex V; list< TopoDS_Edge > edges; list< int > nbEdgesInWire; - int nbWire = SMESH_Block::GetOrderedEdges (F, V, edges, nbEdgesInWire); + int nbWire = SMESH_Block::GetOrderedEdges (F, edges, nbEdgesInWire); if (nbWire != 1) { return false; } @@ -1097,7 +1115,7 @@ bool StdMeshers_Quadrangle_2D::CheckNbEdgesForEvaluate(SMESH_Mesh& aMesh, // issue 20222. Try to unite only edges shared by two same faces if (nbSides < 4) { nbSides = 0; - SMESH_Block::GetOrderedEdges (F, V, edges, nbEdgesInWire); + SMESH_Block::GetOrderedEdges (F, edges, nbEdgesInWire); while (!edges.empty()) { sideEdges.clear(); sideEdges.splice(sideEdges.end(), edges, edges.begin()); @@ -1154,52 +1172,59 @@ bool StdMeshers_Quadrangle_2D::CheckNbEdgesForEvaluate(SMESH_Mesh& aMesh, */ //============================================================================= -FaceQuadStruct *StdMeshers_Quadrangle_2D::CheckAnd2Dcompute - (SMESH_Mesh & aMesh, - const TopoDS_Shape & aShape, - const bool CreateQuadratic) //throw(SALOME_Exception) +FaceQuadStruct::Ptr +StdMeshers_Quadrangle_2D::CheckAnd2Dcompute (SMESH_Mesh & aMesh, + const TopoDS_Shape & aShape, + const bool CreateQuadratic) { _quadraticMesh = CreateQuadratic; - FaceQuadStruct *quad = CheckNbEdges(aMesh, aShape); - - if (!quad) return 0; - - // set normalized grid on unit square in parametric domain - bool stat = SetNormalizedGrid(aMesh, aShape, quad); - if (!stat) { - if (quad) delete quad; - quad = 0; + FaceQuadStruct::Ptr quad = CheckNbEdges(aMesh, aShape); + if ( quad ) + { + // set normalized grid on unit square in parametric domain + if (!SetNormalizedGrid(aMesh, aShape, quad)) + quad.reset(); } - return quad; } //============================================================================= /*! - * + * */ //============================================================================= faceQuadStruct::~faceQuadStruct() { - for (int i = 0; i < side.size(); i++) { - if (side[i]) delete side[i]; + for (size_t i = 0; i < side.size(); i++) { + if (side[i]) { + delete side[i]; + for (size_t j = i+1; j < side.size(); j++) + if ( side[i] == side[j] ) + side[j] = 0; + } + } + side.clear(); + + if (uv_grid) { + delete [] uv_grid; + uv_grid = 0; } - if (uv_grid) delete [] uv_grid; } -namespace { - inline const vector& GetUVPtStructIn(FaceQuadStruct* quad, int i, int nbSeg) +namespace +{ + inline const vector& getUVPtStructIn(FaceQuadStruct::Ptr& quad, int i, int nbSeg) { - bool isXConst = (i == BOTTOM_SIDE || i == TOP_SIDE); - double constValue = (i == BOTTOM_SIDE || i == LEFT_SIDE) ? 0 : 1; + bool isXConst = (i == QUAD_BOTTOM_SIDE || i == QUAD_TOP_SIDE); + double constValue = (i == QUAD_BOTTOM_SIDE || i == QUAD_LEFT_SIDE) ? 0 : 1; return quad->isEdgeOut[i] ? quad->side[i]->SimulateUVPtStruct(nbSeg,isXConst,constValue) : quad->side[i]->GetUVPtStruct(isXConst,constValue); } - inline gp_UV CalcUV(double x, double y, + inline gp_UV calcUV(double x, double y, const gp_UV& a0,const gp_UV& a1,const gp_UV& a2,const gp_UV& a3, const gp_UV& p0,const gp_UV& p1,const gp_UV& p2,const gp_UV& p3) { @@ -1215,9 +1240,9 @@ namespace { */ //============================================================================= -bool StdMeshers_Quadrangle_2D::SetNormalizedGrid (SMESH_Mesh & aMesh, - const TopoDS_Shape& aShape, - FaceQuadStruct* & quad) //throw (SALOME_Exception) +bool StdMeshers_Quadrangle_2D::SetNormalizedGrid (SMESH_Mesh & aMesh, + const TopoDS_Shape& aShape, + FaceQuadStruct::Ptr & quad) { // Algorithme décrit dans "Génération automatique de maillages" // P.L. GEORGE, MASSON, § 6.4.1 p. 84-85 @@ -1253,10 +1278,10 @@ bool StdMeshers_Quadrangle_2D::SetNormalizedGrid (SMESH_Mesh & aMesh, UVPtStruct *uv_grid = quad->uv_grid = new UVPtStruct[nbvertic * nbhoriz]; - const vector& uv_e0 = GetUVPtStructIn(quad, 0, nbhoriz - 1); - const vector& uv_e1 = GetUVPtStructIn(quad, 1, nbvertic - 1); - const vector& uv_e2 = GetUVPtStructIn(quad, 2, nbhoriz - 1); - const vector& uv_e3 = GetUVPtStructIn(quad, 3, nbvertic - 1); + const vector& uv_e0 = getUVPtStructIn(quad, 0, nbhoriz - 1); + const vector& uv_e1 = getUVPtStructIn(quad, 1, nbvertic - 1); + const vector& uv_e2 = getUVPtStructIn(quad, 2, nbhoriz - 1); + const vector& uv_e3 = getUVPtStructIn(quad, 3, nbvertic - 1); if (uv_e0.empty() || uv_e1.empty() || uv_e2.empty() || uv_e3.empty()) //return error("Can't find nodes on sides"); @@ -1265,37 +1290,29 @@ bool StdMeshers_Quadrangle_2D::SetNormalizedGrid (SMESH_Mesh & aMesh, if ( myNeedSmooth ) UpdateDegenUV( quad ); - // nodes Id on "in" edges - if (! quad->isEdgeOut[0]) { - int j = 0; - for (int i = 0; i < nbhoriz; i++) { // down - int ij = j * nbhoriz + i; - uv_grid[ij].node = uv_e0[i].node; - } + // copy data of face boundary + /*if (! quad->isEdgeOut[0])*/ { + const int j = 0; + for (int i = 0; i < nbhoriz; i++) // down + uv_grid[ j * nbhoriz + i ] = uv_e0[i]; } - if (! quad->isEdgeOut[1]) { - int i = nbhoriz - 1; - for (int j = 0; j < nbvertic; j++) { // right - int ij = j * nbhoriz + i; - uv_grid[ij].node = uv_e1[j].node; - } + /*if (! quad->isEdgeOut[1])*/ { + const int i = nbhoriz - 1; + for (int j = 0; j < nbvertic; j++) // right + uv_grid[ j * nbhoriz + i ] = uv_e1[j]; } - if (! quad->isEdgeOut[2]) { - int j = nbvertic - 1; - for (int i = 0; i < nbhoriz; i++) { // up - int ij = j * nbhoriz + i; - uv_grid[ij].node = uv_e2[i].node; - } + /*if (! quad->isEdgeOut[2])*/ { + const int j = nbvertic - 1; + for (int i = 0; i < nbhoriz; i++) // up + uv_grid[ j * nbhoriz + i ] = uv_e2[i]; } - if (! quad->isEdgeOut[3]) { + /*if (! quad->isEdgeOut[3])*/ { int i = 0; - for (int j = 0; j < nbvertic; j++) { // left - int ij = j * nbhoriz + i; - uv_grid[ij].node = uv_e3[j].node; - } + for (int j = 0; j < nbvertic; j++) // left + uv_grid[ j * nbhoriz + i ] = uv_e3[j]; } - // normalized 2d values on grid + // normalized 2d parameters on grid for (int i = 0; i < nbhoriz; i++) { for (int j = 0; j < nbvertic; j++) { int ij = j * nbhoriz + i; @@ -1316,28 +1333,25 @@ bool StdMeshers_Quadrangle_2D::SetNormalizedGrid (SMESH_Mesh & aMesh, } // 4 --- projection on 2d domain (u,v) - gp_UV a0(uv_e0.front().u, uv_e0.front().v); - gp_UV a1(uv_e0.back().u, uv_e0.back().v); - gp_UV a2(uv_e2.back().u, uv_e2.back().v); - gp_UV a3(uv_e2.front().u, uv_e2.front().v); + gp_UV a0 (uv_e0.front().u, uv_e0.front().v); + gp_UV a1 (uv_e0.back().u, uv_e0.back().v ); + gp_UV a2 (uv_e2.back().u, uv_e2.back().v ); + gp_UV a3 (uv_e2.front().u, uv_e2.front().v); + + for (int i = 0; i < nbhoriz; i++) + { + gp_UV p0( uv_e0[i].u, uv_e0[i].v ); + gp_UV p2( uv_e2[i].u, uv_e2[i].v ); + for (int j = 0; j < nbvertic; j++) + { + gp_UV p1( uv_e1[j].u, uv_e1[j].v ); + gp_UV p3( uv_e3[j].u, uv_e3[j].v ); - for (int i = 0; i < nbhoriz; i++) { - for (int j = 0; j < nbvertic; j++) { int ij = j * nbhoriz + i; double x = uv_grid[ij].x; double y = uv_grid[ij].y; - double param_0 = uv_e0[0].normParam + x * (uv_e0.back().normParam - uv_e0[0].normParam); // sud - double param_2 = uv_e2[0].normParam + x * (uv_e2.back().normParam - uv_e2[0].normParam); // nord - double param_1 = uv_e1[0].normParam + y * (uv_e1.back().normParam - uv_e1[0].normParam); // est - double param_3 = uv_e3[0].normParam + y * (uv_e3.back().normParam - uv_e3[0].normParam); // ouest - - //MESSAGE("params "<side[0]->Value2d(param_0).XY(); - gp_UV p1 = quad->side[1]->Value2d(param_1).XY(); - gp_UV p2 = quad->side[2]->Value2d(param_2).XY(); - gp_UV p3 = quad->side[3]->Value2d(param_3).XY(); - gp_UV uv = CalcUV(x,y, a0,a1,a2,a3, p0,p1,p2,p3); + gp_UV uv = calcUV(x,y, a0,a1,a2,a3, p0,p1,p2,p3); uv_grid[ij].u = uv.X(); uv_grid[ij].v = uv.Y(); @@ -1351,68 +1365,72 @@ bool StdMeshers_Quadrangle_2D::SetNormalizedGrid (SMESH_Mesh & aMesh, //purpose : auxilary function for ComputeQuadPref //======================================================================= -static void ShiftQuad(FaceQuadStruct* quad, const int num, bool) +static void shiftQuad(FaceQuadStruct::Ptr& quad, const int num, bool) +{ + quad->shift( num, /*ori=*/true ); +} + +//================================================================================ +/*! + * \brief Rotate sides of a quad by nb + * \param nb - number of rotation quartes + * \param ori - to keep orientation of sides as in an unit quad or not + */ +//================================================================================ + +void FaceQuadStruct::shift( size_t nb, bool ori ) { - StdMeshers_FaceSide* side[4] = { quad->side[0], quad->side[1], quad->side[2], quad->side[3] }; - for (int i = BOTTOM_SIDE; i < NB_SIDES; ++i) { - int id = (i + num) % NB_SIDES; - bool wasForward = (i < TOP_SIDE); - bool newForward = (id < TOP_SIDE); - if (wasForward != newForward) - side[ i ]->Reverse(); - quad->side[ id ] = side[ i ]; + if ( nb == 0 ) return; + StdMeshers_FaceSide* sideArr[4] = { side[0], side[1], side[2], side[3] }; + for (int i = QUAD_BOTTOM_SIDE; i < NB_QUAD_SIDES; ++i) { + int id = (i + nb) % NB_QUAD_SIDES; + bool wasForward = (i < QUAD_TOP_SIDE); + bool newForward = (id < QUAD_TOP_SIDE); + if (ori && wasForward != newForward) + sideArr[ i ]->Reverse(); + side[ id ] = sideArr[ i ]; } } //======================================================================= -//function : CalcUV +//function : calcUV //purpose : auxilary function for ComputeQuadPref //======================================================================= -static gp_UV CalcUV(double x0, double x1, double y0, double y1, - FaceQuadStruct* quad, +static gp_UV calcUV(double x0, double x1, double y0, double y1, + FaceQuadStruct::Ptr& quad, const gp_UV& a0, const gp_UV& a1, const gp_UV& a2, const gp_UV& a3) { - const vector& uv_eb = quad->side[0]->GetUVPtStruct(true,0); - const vector& uv_er = quad->side[1]->GetUVPtStruct(false,1); - const vector& uv_et = quad->side[2]->GetUVPtStruct(true,1); - const vector& uv_el = quad->side[3]->GetUVPtStruct(false,0); - double x = (x0 + y0 * (x1 - x0)) / (1 - (y1 - y0) * (x1 - x0)); double y = y0 + x * (y1 - y0); - double param_b = uv_eb[0].normParam + x * (uv_eb.back().normParam - uv_eb[0].normParam); - double param_t = uv_et[0].normParam + x * (uv_et.back().normParam - uv_et[0].normParam); - double param_r = uv_er[0].normParam + y * (uv_er.back().normParam - uv_er[0].normParam); - double param_l = uv_el[0].normParam + y * (uv_el.back().normParam - uv_el[0].normParam); - - gp_UV p0 = quad->side[BOTTOM_SIDE]->Value2d(param_b).XY(); - gp_UV p1 = quad->side[RIGHT_SIDE ]->Value2d(param_r).XY(); - gp_UV p2 = quad->side[TOP_SIDE ]->Value2d(param_t).XY(); - gp_UV p3 = quad->side[LEFT_SIDE ]->Value2d(param_l).XY(); + gp_UV p0 = quad->side[QUAD_BOTTOM_SIDE]->Value2d(x).XY(); + gp_UV p1 = quad->side[QUAD_RIGHT_SIDE ]->Value2d(y).XY(); + gp_UV p2 = quad->side[QUAD_TOP_SIDE ]->Value2d(x).XY(); + gp_UV p3 = quad->side[QUAD_LEFT_SIDE ]->Value2d(y).XY(); - gp_UV uv = CalcUV(x,y, a0,a1,a2,a3, p0,p1,p2,p3); + gp_UV uv = calcUV(x,y, a0,a1,a2,a3, p0,p1,p2,p3); return uv; } //======================================================================= -//function : CalcUV2 +//function : calcUV2 //purpose : auxilary function for ComputeQuadPref //======================================================================= -static gp_UV CalcUV2(double x, double y, - FaceQuadStruct* quad, +static gp_UV calcUV2(double x, double y, + FaceQuadStruct::Ptr& quad, const gp_UV& a0, const gp_UV& a1, const gp_UV& a2, const gp_UV& a3) { - gp_UV p0 = quad->side[BOTTOM_SIDE]->Value2d(x).XY(); - gp_UV p1 = quad->side[RIGHT_SIDE ]->Value2d(y).XY(); - gp_UV p2 = quad->side[TOP_SIDE ]->Value2d(x).XY(); - gp_UV p3 = quad->side[LEFT_SIDE ]->Value2d(y).XY(); + gp_UV p0 = quad->side[QUAD_BOTTOM_SIDE]->Value2d(x).XY(); + gp_UV p1 = quad->side[QUAD_RIGHT_SIDE ]->Value2d(y).XY(); + gp_UV p2 = quad->side[QUAD_TOP_SIDE ]->Value2d(x).XY(); + gp_UV p3 = quad->side[QUAD_LEFT_SIDE ]->Value2d(y).XY(); - gp_UV uv = CalcUV(x,y, a0,a1,a2,a3, p0,p1,p2,p3); + gp_UV uv = calcUV(x,y, a0,a1,a2,a3, p0,p1,p2,p3); return uv; } @@ -1426,7 +1444,7 @@ static gp_UV CalcUV2(double x, double y, bool StdMeshers_Quadrangle_2D::ComputeQuadPref (SMESH_Mesh & aMesh, const TopoDS_Shape& aShape, - FaceQuadStruct* quad) + FaceQuadStruct::Ptr quad) { // Auxilary key in order to keep old variant // of meshing after implementation new variant @@ -1451,21 +1469,21 @@ bool StdMeshers_Quadrangle_2D::ComputeQuadPref (SMESH_Mesh & aMesh, if (dh>=dv) { if (nt>nb) { // it is a base case => not shift quad but me be replacement is need - ShiftQuad(quad,0,WisF); + shiftQuad(quad,0,WisF); } else { // we have to shift quad on 2 - ShiftQuad(quad,2,WisF); + shiftQuad(quad,2,WisF); } } else { if (nr>nl) { // we have to shift quad on 1 - ShiftQuad(quad,1,WisF); + shiftQuad(quad,1,WisF); } else { // we have to shift quad on 3 - ShiftQuad(quad,3,WisF); + shiftQuad(quad,3,WisF); } } @@ -1529,13 +1547,9 @@ bool StdMeshers_Quadrangle_2D::ComputeQuadPref (SMESH_Mesh & aMesh, UpdateDegenUV( quad ); // arrays for normalized params - //cout<<"Dump B:"<X()<<","<Y()<<","<Z()<<")"<Value(UV.X(),UV.Y()); SMDS_MeshNode * N = meshDS->AddNode(P.X(), P.Y(), P.Z()); meshDS->SetNodeOnFace(N, geomFaceID, UV.X(), UV.Y()); @@ -1610,7 +1617,7 @@ bool StdMeshers_Quadrangle_2D::ComputeQuadPref (SMESH_Mesh & aMesh, for (j=2; jValue(UV.X(),UV.Y()); SMDS_MeshNode* N = meshDS->AddNode(P.X(), P.Y(), P.Z()); meshDS->SetNodeOnFace(N, geomFaceID, UV.X(), UV.Y()); @@ -1621,14 +1628,6 @@ bool StdMeshers_Quadrangle_2D::ComputeQuadPref (SMESH_Mesh & aMesh, for (i=1; i<=UVtmp.Length() && UVL.Length()X()<<","<Y()<<","<Z()<<")"; - // } - // cout<Value(UV.X(),UV.Y()); SMDS_MeshNode * N = meshDS->AddNode(P.X(), P.Y(), P.Z()); meshDS->SetNodeOnFace(N, geomFaceID, UV.X(), UV.Y()); @@ -1681,7 +1680,7 @@ bool StdMeshers_Quadrangle_2D::ComputeQuadPref (SMESH_Mesh & aMesh, for (j=2; jValue(UV.X(),UV.Y()); SMDS_MeshNode* N = meshDS->AddNode(P.X(), P.Y(), P.Z()); meshDS->SetNodeOnFace(N, geomFaceID, UV.X(), UV.Y()); @@ -1744,7 +1743,7 @@ bool StdMeshers_Quadrangle_2D::ComputeQuadPref (SMESH_Mesh & aMesh, for (j=1; jValue(UV.X(),UV.Y()); SMDS_MeshNode* N = meshDS->AddNode(P.X(), P.Y(), P.Z()); meshDS->SetNodeOnFace(N, geomFaceID, UV.X(), UV.Y()); @@ -1754,12 +1753,6 @@ bool StdMeshers_Quadrangle_2D::ComputeQuadPref (SMESH_Mesh & aMesh, } } // add diagonal layers - //cout<<"UVL.Length()="<Value(UV.X(),UV.Y()); SMDS_MeshNode* N = meshDS->AddNode(P.X(), P.Y(), P.Z()); meshDS->SetNodeOnFace(N, geomFaceID, UV.X(),UV.Y()); @@ -1809,7 +1802,7 @@ bool StdMeshers_Quadrangle_2D::ComputeQuadPref (SMESH_Mesh & aMesh, for (j=2; jValue(UV.X(),UV.Y()); SMDS_MeshNode* N = meshDS->AddNode(P.X(), P.Y(), P.Z()); meshDS->SetNodeOnFace(N, geomFaceID, UV.X(),UV.Y()); @@ -1859,7 +1852,7 @@ bool StdMeshers_Quadrangle_2D::ComputeQuadPref (SMESH_Mesh & aMesh, for (j=1; jValue(UV.X(),UV.Y()); SMDS_MeshNode* N = meshDS->AddNode(P.X(), P.Y(), P.Z()); meshDS->SetNodeOnFace(N, geomFaceID, UV.X(), UV.Y()); @@ -1876,7 +1869,7 @@ bool StdMeshers_Quadrangle_2D::ComputeQuadPref (SMESH_Mesh & aMesh, double x = npt.Value(i+1+drl) + npb.Value(j) * (npt.Value(nt-i) - npt.Value(i+1+drl)); double y = yy0 + dyy*x; - gp_UV UV = CalcUV2(x, y, quad, a0, a1, a2, a3); + gp_UV UV = calcUV2(x, y, quad, a0, a1, a2, a3); gp_Pnt P = S->Value(UV.X(),UV.Y()); SMDS_MeshNode* N = meshDS->AddNode(P.X(), P.Y(), P.Z()); meshDS->SetNodeOnFace(N, geomFaceID, UV.X(), UV.Y()); @@ -1902,7 +1895,7 @@ bool StdMeshers_Quadrangle_2D::ComputeQuadPref (SMESH_Mesh & aMesh, for (j=2; j<=nb; j++) { double x = npb.Value(j)*npt.Value(nt-i); double y = y0 + dy*x; - gp_UV UV = CalcUV2(x, y, quad, a0, a1, a2, a3); + gp_UV UV = calcUV2(x, y, quad, a0, a1, a2, a3); gp_Pnt P = S->Value(UV.X(),UV.Y()); SMDS_MeshNode* N = meshDS->AddNode(P.X(), P.Y(), P.Z()); meshDS->SetNodeOnFace(N, geomFaceID, UV.X(), UV.Y()); @@ -1919,7 +1912,7 @@ bool StdMeshers_Quadrangle_2D::ComputeQuadPref (SMESH_Mesh & aMesh, double x = npt.Value(i+1) + npb.Value(j) * (npt.Value(nt-i-drl) - npt.Value(i+1)); double y = yy0 + dyy*x; - gp_UV UV = CalcUV2(x, y, quad, a0, a1, a2, a3); + gp_UV UV = calcUV2(x, y, quad, a0, a1, a2, a3); gp_Pnt P = S->Value(UV.X(),UV.Y()); SMDS_MeshNode* N = meshDS->AddNode(P.X(), P.Y(), P.Z()); meshDS->SetNodeOnFace(N, geomFaceID, UV.X(), UV.Y()); @@ -2158,13 +2151,13 @@ namespace inline SMDS_MeshNode* makeNode( UVPtStruct & uvPt, const double y, - FaceQuadStruct* quad, + FaceQuadStruct::Ptr& quad, const gp_UV* UVs, SMESH_MesherHelper* helper, Handle(Geom_Surface) S) { - const vector& uv_eb = quad->side[BOTTOM_SIDE]->GetUVPtStruct(); - const vector& uv_et = quad->side[TOP_SIDE ]->GetUVPtStruct(); + const vector& uv_eb = quad->side[QUAD_BOTTOM_SIDE]->GetUVPtStruct(); + const vector& uv_et = quad->side[QUAD_TOP_SIDE ]->GetUVPtStruct(); double rBot = ( uv_eb.size() - 1 ) * uvPt.normParam; double rTop = ( uv_et.size() - 1 ) * uvPt.normParam; int iBot = int( rBot ); @@ -2173,11 +2166,11 @@ namespace double xTop = uv_et[ iTop ].normParam + ( rTop - iTop ) * ( uv_et[ iTop+1 ].normParam - uv_et[ iTop ].normParam ); double x = xBot + y * ( xTop - xBot ); - gp_UV uv = CalcUV(/*x,y=*/x, y, + gp_UV uv = calcUV(/*x,y=*/x, y, /*a0,...=*/UVs[UV_A0], UVs[UV_A1], UVs[UV_A2], UVs[UV_A3], - /*p0=*/quad->side[BOTTOM_SIDE]->Value2d( x ).XY(), + /*p0=*/quad->side[QUAD_BOTTOM_SIDE]->Value2d( x ).XY(), /*p1=*/UVs[ UV_R ], - /*p2=*/quad->side[TOP_SIDE ]->Value2d( x ).XY(), + /*p2=*/quad->side[QUAD_TOP_SIDE ]->Value2d( x ).XY(), /*p3=*/UVs[ UV_L ]); gp_Pnt P = S->Value( uv.X(), uv.Y() ); uvPt.u = uv.X(); @@ -2189,7 +2182,7 @@ namespace vector& next_base, const int j, int & next_base_len, - FaceQuadStruct* quad, + FaceQuadStruct::Ptr& quad, gp_UV* UVs, const double y, SMESH_MesherHelper* helper, @@ -2258,7 +2251,7 @@ namespace vector& next_base, const int j, int & next_base_len, - FaceQuadStruct* quad, + FaceQuadStruct::Ptr& quad, gp_UV* UVs, const double y, SMESH_MesherHelper* helper, @@ -2321,7 +2314,7 @@ namespace vector& next_base, const int j, int & next_base_len, - FaceQuadStruct* quad, + FaceQuadStruct::Ptr & quad, gp_UV* UVs, const double y, SMESH_MesherHelper* helper, @@ -2334,19 +2327,20 @@ namespace * Implementation of Reduced algorithm (meshing with quadrangles only) */ //======================================================================= + bool StdMeshers_Quadrangle_2D::ComputeReduced (SMESH_Mesh & aMesh, const TopoDS_Shape& aShape, - FaceQuadStruct* quad) + FaceQuadStruct::Ptr quad) { - SMESHDS_Mesh * meshDS = aMesh.GetMeshDS(); - const TopoDS_Face& F = TopoDS::Face(aShape); + SMESHDS_Mesh * meshDS = aMesh.GetMeshDS(); + const TopoDS_Face& F = TopoDS::Face(aShape); Handle(Geom_Surface) S = BRep_Tool::Surface(F); - int i,j,geomFaceID = meshDS->ShapeToIndex(F); + int i,j,geomFaceID = meshDS->ShapeToIndex(F); - int nb = quad->side[0]->NbPoints(); - int nr = quad->side[1]->NbPoints(); - int nt = quad->side[2]->NbPoints(); - int nl = quad->side[3]->NbPoints(); + int nb = quad->side[0]->NbPoints(); // bottom + int nr = quad->side[1]->NbPoints(); // right + int nt = quad->side[2]->NbPoints(); // top + int nl = quad->side[3]->NbPoints(); // left // Simple Reduce 10->8->6->4 (3 steps) Multiple Reduce 10->4 (1 step) // @@ -2392,13 +2386,21 @@ bool StdMeshers_Quadrangle_2D::ComputeReduced (SMESH_Mesh & aMesh, } // number of rows and columns - int nrows = nr1 - 1; + int nrows = nr1 - 1; int ncol_top = nt1 - 1; int ncol_bot = nb1 - 1; // number of rows needed to reduce ncol_bot to ncol_top using simple 3->1 "tree" (see below) - int nrows_tree31 = int( log( (double)(ncol_bot / ncol_top) ) / log((double) 3 )); // = log x base 3 + int nrows_tree31 = + int( ceil( log( double(ncol_bot) / ncol_top) / log( 3.))); // = log x base 3 if ( nrows < nrows_tree31 ) + { MultipleReduce = true; + error( COMPERR_WARNING, + SMESH_Comment("To use 'Reduced' transition, " + "number of face rows should be at least ") + << nrows_tree31 << ". Actual number of face rows is " << nrows << ". " + "'Quadrangle preference (reversed)' transion has been used."); + } } if (MultipleReduce) { // == ComputeQuadPref QUAD_QUADRANGLE_PREF_REVERSED @@ -2409,21 +2411,21 @@ bool StdMeshers_Quadrangle_2D::ComputeReduced (SMESH_Mesh & aMesh, if (dh >= dv) { if (nt > nb) { // it is a base case => not shift quad but may be replacement is need - ShiftQuad(quad,0,true); + shiftQuad(quad,0,true); } else { // we have to shift quad on 2 - ShiftQuad(quad,2,true); + shiftQuad(quad,2,true); } } else { if (nr > nl) { // we have to shift quad on 1 - ShiftQuad(quad,1,true); + shiftQuad(quad,1,true); } else { // we have to shift quad on 3 - ShiftQuad(quad,3,true); + shiftQuad(quad,3,true); } } @@ -2531,7 +2533,7 @@ bool StdMeshers_Quadrangle_2D::ComputeReduced (SMESH_Mesh & aMesh, // diagonal node double y0 = npl.Value(i+1); double y1 = npr.Value(i+1); - gp_UV UV = CalcUV(x0, x1, y0, y1, quad, a0, a1, a2, a3); + gp_UV UV = calcUV(x0, x1, y0, y1, quad, a0, a1, a2, a3); gp_Pnt P = S->Value(UV.X(),UV.Y()); SMDS_MeshNode * N = meshDS->AddNode(P.X(), P.Y(), P.Z()); meshDS->SetNodeOnFace(N, geomFaceID, UV.X(), UV.Y()); @@ -2541,7 +2543,7 @@ bool StdMeshers_Quadrangle_2D::ComputeReduced (SMESH_Mesh & aMesh, for (j=2; jValue(UV.X(),UV.Y()); SMDS_MeshNode* N = meshDS->AddNode(P.X(), P.Y(), P.Z()); meshDS->SetNodeOnFace(N, geomFaceID, UV.X(), UV.Y()); @@ -2586,7 +2588,7 @@ bool StdMeshers_Quadrangle_2D::ComputeReduced (SMESH_Mesh & aMesh, // diagonal node double y0 = npl.Value(i+1); double y1 = npr.Value(i+1); - gp_UV UV = CalcUV(x0, x1, y0, y1, quad, a0, a1, a2, a3); + gp_UV UV = calcUV(x0, x1, y0, y1, quad, a0, a1, a2, a3); gp_Pnt P = S->Value(UV.X(),UV.Y()); SMDS_MeshNode * N = meshDS->AddNode(P.X(), P.Y(), P.Z()); meshDS->SetNodeOnFace(N, geomFaceID, UV.X(), UV.Y()); @@ -2596,7 +2598,7 @@ bool StdMeshers_Quadrangle_2D::ComputeReduced (SMESH_Mesh & aMesh, for (j=2; jValue(UV.X(),UV.Y()); SMDS_MeshNode* N = meshDS->AddNode(P.X(), P.Y(), P.Z()); meshDS->SetNodeOnFace(N, geomFaceID, UV.X(), UV.Y()); @@ -2642,7 +2644,7 @@ bool StdMeshers_Quadrangle_2D::ComputeReduced (SMESH_Mesh & aMesh, // add bottom nodes (first columns) for (i=2; iValue(UV.X(),UV.Y()); SMDS_MeshNode* N = meshDS->AddNode(P.X(), P.Y(), P.Z()); meshDS->SetNodeOnFace(N, geomFaceID, UV.X(), UV.Y()); @@ -2674,34 +2676,33 @@ bool StdMeshers_Quadrangle_2D::ComputeReduced (SMESH_Mesh & aMesh, // create faces for (i=1; iAddFace(NodesC.Value(i,j), NodesC.Value(i+1,j), + SMDS_MeshFace* F = + myHelper->AddFace(NodesC.Value(i,j), NodesC.Value(i+1,j), NodesC.Value(i+1,j+1), NodesC.Value(i,j+1)); - if (F) meshDS->SetMeshElementOnShape(F, geomFaceID); + if (F) meshDS->SetMeshElementOnShape(F, geomFaceID); } } - // TODO ??? } // end Multiple Reduce implementation else { // Simple Reduce (!MultipleReduce) //========================================================= if (nr == nl) { if (nt < nb) { // it is a base case => not shift quad - //ShiftQuad(quad,0,true); + //shiftQuad(quad,0,true); } else { // we have to shift quad on 2 - ShiftQuad(quad,2,true); + shiftQuad(quad,2,true); } } else { if (nl > nr) { // we have to shift quad on 1 - ShiftQuad(quad,1,true); + shiftQuad(quad,1,true); } else { // we have to shift quad on 3 - ShiftQuad(quad,3,true); + shiftQuad(quad,3,true); } } @@ -3284,7 +3285,7 @@ namespace // data for smoothing */ //================================================================================ -void StdMeshers_Quadrangle_2D::UpdateDegenUV(FaceQuadStruct* quad) +void StdMeshers_Quadrangle_2D::UpdateDegenUV(FaceQuadStruct::Ptr quad) { for ( unsigned i = 0; i < quad->side.size(); ++i ) { @@ -3302,7 +3303,7 @@ void StdMeshers_Quadrangle_2D::UpdateDegenUV(FaceQuadStruct* quad) // find another side sharing the degenerated shape bool isPrev = ( degenInd == 0 ); - if ( i >= TOP_SIDE ) + if ( i >= QUAD_TOP_SIDE ) isPrev = !isPrev; int i2 = ( isPrev ? ( i + 3 ) : ( i + 1 )) % 4; StdMeshers_FaceSide* side2 = quad->side[ i2 ]; @@ -3329,7 +3330,7 @@ void StdMeshers_Quadrangle_2D::UpdateDegenUV(FaceQuadStruct* quad) */ //================================================================================ -void StdMeshers_Quadrangle_2D::Smooth (FaceQuadStruct* quad) +void StdMeshers_Quadrangle_2D::Smooth (FaceQuadStruct::Ptr quad) { if ( !myNeedSmooth ) return;