X-Git-Url: http://git.salome-platform.org/gitweb/?p=modules%2Fsmesh.git;a=blobdiff_plain;f=src%2FStdMeshers%2FStdMeshers_MEFISTO_2D.cxx;h=34003c6c9df03a5557a69e43f5c0acf4499b868b;hp=f7a91a6b1493044c04cfdced27d5a695522594ac;hb=ae32dcd34f98b91cdb4f5800063a394feb0df408;hpb=f5016d85b7b4b88623723027a1585c6414c4dc66 diff --git a/src/StdMeshers/StdMeshers_MEFISTO_2D.cxx b/src/StdMeshers/StdMeshers_MEFISTO_2D.cxx index f7a91a6b1..34003c6c9 100644 --- a/src/StdMeshers/StdMeshers_MEFISTO_2D.cxx +++ b/src/StdMeshers/StdMeshers_MEFISTO_2D.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 @@ -28,29 +28,28 @@ // #include "StdMeshers_MEFISTO_2D.hxx" +#include "SMDS_EdgePosition.hxx" +#include "SMDS_MeshElement.hxx" +#include "SMDS_MeshNode.hxx" +#include "SMESH_Comment.hxx" #include "SMESH_Gen.hxx" #include "SMESH_Mesh.hxx" -#include "SMESH_subMesh.hxx" -#include "SMESH_Block.hxx" #include "SMESH_MesherHelper.hxx" -#include "SMESH_Comment.hxx" - +#include "SMESH_subMesh.hxx" #include "StdMeshers_FaceSide.hxx" -#include "StdMeshers_MaxElementArea.hxx" #include "StdMeshers_LengthFromEdges.hxx" +#include "StdMeshers_MaxElementArea.hxx" +#include "StdMeshers_ViscousLayers2D.hxx" + +#include "utilities.h" #include "Rn.h" #include "aptrte.h" -#include "SMDS_MeshElement.hxx" -#include "SMDS_MeshNode.hxx" -#include "SMDS_EdgePosition.hxx" -#include "SMDS_FacePosition.hxx" - -#include "utilities.h" - +#include #include #include +#include #include #include #include @@ -67,12 +66,12 @@ #include #include -#include -#include -#include - using namespace std; +#ifdef _DEBUG_ +//#define DUMP_POINTS // to print coordinates of MEFISTO input +#endif + //============================================================================= /*! * @@ -87,12 +86,13 @@ StdMeshers_MEFISTO_2D::StdMeshers_MEFISTO_2D(int hypId, int studyId, SMESH_Gen * _shapeType = (1 << TopAbs_FACE); _compatibleHypothesis.push_back("MaxElementArea"); _compatibleHypothesis.push_back("LengthFromEdges"); + _compatibleHypothesis.push_back("ViscousLayers2D"); _edgeLength = 0; _maxElementArea = 0; _hypMaxElementArea = NULL; _hypLengthFromEdges = NULL; - myTool = 0; + _helper = 0; } //============================================================================= @@ -122,6 +122,9 @@ bool StdMeshers_MEFISTO_2D::CheckHypothesis _edgeLength = 0; _maxElementArea = 0; + if ( !error( StdMeshers_ViscousLayers2D::CheckHypothesis( aMesh, aShape, aStatus ))) + return false; + list ::const_iterator itl; const SMESHDS_Hypothesis *theHyp; @@ -191,13 +194,19 @@ bool StdMeshers_MEFISTO_2D::Compute(SMESH_Mesh & aMesh, const TopoDS_Shape & aSh // helper builds quadratic mesh if necessary SMESH_MesherHelper helper(aMesh); - myTool = &helper; - _quadraticMesh = myTool->IsQuadraticSubMesh(aShape); - const bool ignoreMediumNodes = _quadraticMesh; + _helper = &helper; + _quadraticMesh = _helper->IsQuadraticSubMesh(aShape); + const bool skipMediumNodes = _quadraticMesh; + + // build viscous layers if required + SMESH_ProxyMesh::Ptr proxyMesh = StdMeshers_ViscousLayers2D::Compute( aMesh, F ); + if ( !proxyMesh ) + return false; // get all edges of a face TError problem; - TWireVector wires = StdMeshers_FaceSide::GetFaceWires( F, aMesh, ignoreMediumNodes, problem ); + TWireVector wires = + StdMeshers_FaceSide::GetFaceWires( F, aMesh, skipMediumNodes, problem, proxyMesh ); int nbWires = wires.size(); if ( problem && !problem->IsOK() ) return error( problem ); if ( nbWires == 0 ) return error( "Problem in StdMeshers_FaceSide::GetFaceWires()"); @@ -575,7 +584,7 @@ bool StdMeshers_MEFISTO_2D::LoadPoints(TWireVector & wires, TopTools_IndexedDataMapOfShapeListOfShape VWMap; if ( wires.size() > 1 ) { - F = TopoDS::Face( myTool->GetSubShape() ); + F = TopoDS::Face( _helper->GetSubShape() ); TopExp::MapShapesAndAncestors( F, TopAbs_VERTEX, TopAbs_WIRE, VWMap ); int nbVertices = 0; for ( int iW = 0; iW < wires.size(); ++iW ) @@ -616,10 +625,10 @@ bool StdMeshers_MEFISTO_2D::LoadPoints(TWireVector & wires, case SMDS_TOP_EDGE: // In order to detect degenerated faces easily, we replace // nodes on a degenerated edge by node on the vertex of that edge - if ( myTool->IsDegenShape( uvPt->node->getshapeId() )) + if ( _helper->IsDegenShape( uvPt->node->getshapeId() )) { int edgeID = uvPt->node->getshapeId(); - SMESH_subMesh* edgeSM = myTool->GetMesh()->GetSubMeshContaining( edgeID ); + SMESH_subMesh* edgeSM = _helper->GetMesh()->GetSubMeshContaining( edgeID ); SMESH_subMeshIteratorPtr smIt = edgeSM->getDependsOnIterator( /*includeSelf=*/0, /*complexShapeFirst=*/0); if ( smIt->more() ) @@ -644,8 +653,8 @@ bool StdMeshers_MEFISTO_2D::LoadPoints(TWireVector & wires, if ( iW && !VWMap.IsEmpty()) { // except outer wire // avoid passing same uv point for a vertex common to 2 wires int vID = mefistoToDS[m]->getshapeId(); - TopoDS_Vertex V = TopoDS::Vertex( myTool->GetMeshDS()->IndexToShape( vID )); - if ( fixCommonVertexUV( uvslf[m], V, F, VWMap, *myTool->GetMesh(), + TopoDS_Vertex V = TopoDS::Vertex( _helper->GetMeshDS()->IndexToShape( vID )); + if ( fixCommonVertexUV( uvslf[m], V, F, VWMap, *_helper->GetMesh(), scalex, scaley, _quadraticMesh )) { myNodesOnCommonV.push_back( mefistoToDS[m] ); continue; @@ -659,9 +668,13 @@ bool StdMeshers_MEFISTO_2D::LoadPoints(TWireVector & wires, fixOverlappedLinkUV (uvslf[ mB ], uvslf[ m ], uvslf[ mA ]); } } -// cout << "MEFISTO INPUT************" << endl; -// for ( int i =0; i < m; ++i ) -// cout << i << ": \t" << uvslf[i].x << ", " << uvslf[i].y << " Node " << mefistoToDS[i]->GetID()<< endl; + +#ifdef DUMP_POINTS + cout << "MEFISTO INPUT************" << endl; + for ( int i =0; i < m; ++i ) + cout << i << ": \t" << uvslf[i].x << ", " << uvslf[i].y + << " Node " << mefistoToDS[i]->GetID()<< endl; +#endif return true; } @@ -760,6 +773,23 @@ void StdMeshers_MEFISTO_2D::ComputeScaleOnFace(SMESH_Mesh & aMesh, ASSERT(scaley); } +// namespace +// { +// bool isDegenTria( const SMDS_MeshNode * nn[3] ) +// { +// SMESH_TNodeXYZ p1( nn[0] ); +// SMESH_TNodeXYZ p2( nn[1] ); +// SMESH_TNodeXYZ p3( nn[2] ); +// gp_XYZ vec1 = p2 - p1; +// gp_XYZ vec2 = p3 - p1; +// gp_XYZ cross = vec1 ^ vec2; +// const double eps = 1e-100; +// return ( fabs( cross.X() ) < eps && +// fabs( cross.Y() ) < eps && +// fabs( cross.Z() ) < eps ); +// } +// } + //============================================================================= /*! * @@ -770,12 +800,13 @@ void StdMeshers_MEFISTO_2D::StoreResult(Z nbst, R2 * uvst, Z nbt, Z * nust, vector< const SMDS_MeshNode*>&mefistoToDS, double scalex, double scaley) { - SMESHDS_Mesh * meshDS = myTool->GetMeshDS(); - int faceID = myTool->GetSubShapeID(); + _helper->SetElementsOnShape( true ); - TopoDS_Face F = TopoDS::Face( myTool->GetSubShape() ); + TopoDS_Face F = TopoDS::Face( _helper->GetSubShape() ); Handle(Geom_Surface) S = BRep_Tool::Surface( F ); + //const size_t nbInputNodes = mefistoToDS.size(); + Z n = mefistoToDS.size(); // nb input points mefistoToDS.resize( nbst ); for ( ; n < nbst; n++) @@ -786,12 +817,7 @@ void StdMeshers_MEFISTO_2D::StoreResult(Z nbst, R2 * uvst, Z nbt, Z * nust, double v = uvst[n][1] / scaley; gp_Pnt P = S->Value(u, v); - SMDS_MeshNode * node = meshDS->AddNode(P.X(), P.Y(), P.Z()); - meshDS->SetNodeOnFace(node, faceID, u, v); - - //MESSAGE(P.X()<<" "<AddNode( P.X(), P.Y(), P.Z(), 0, u, v ); } } @@ -800,26 +826,32 @@ void StdMeshers_MEFISTO_2D::StoreResult(Z nbst, R2 * uvst, Z nbt, Z * nust, // triangle points must be in trigonometric order if face is Forward // else they must be put clockwise - bool triangleIsWellOriented = ( F.Orientation() == TopAbs_FORWARD ); + int i1 = 1, i2 = 2; + if ( F.Orientation() != TopAbs_FORWARD ) + std::swap( i1, i2 ); + const SMDS_MeshNode * nn[3]; for (n = 1; n <= nbt; n++) { - const SMDS_MeshNode * n1 = mefistoToDS[ nust[m++] - 1 ]; - const SMDS_MeshNode * n2 = mefistoToDS[ nust[m++] - 1 ]; - const SMDS_MeshNode * n3 = mefistoToDS[ nust[m++] - 1 ]; + // const bool allNodesAreOld = ( nust[m + 0] <= nbInputNodes && + // nust[m + 1] <= nbInputNodes && + // nust[m + 2] <= nbInputNodes ); + nn[ 0 ] = mefistoToDS[ nust[m++] - 1 ]; + nn[ 1 ] = mefistoToDS[ nust[m++] - 1 ]; + nn[ 2 ] = mefistoToDS[ nust[m++] - 1 ]; + m++; // avoid creating degenetrated faces - bool isDegen = ( myTool->HasDegeneratedEdges() && ( n1 == n2 || n1 == n3 || n2 == n3 )); + bool isDegen = ( _helper->HasDegeneratedEdges() && + ( nn[0] == nn[1] || nn[1] == nn[2] || nn[2] == nn[0] )); + + // It was an attemp to fix a problem of a zero area face whose all nodes + // are on one staight EDGE. But omitting this face makes a hole in the mesh :( + // if ( !isDegen && allNodesAreOld ) + // isDegen = isDegenTria( nn ); + if ( !isDegen ) - { - SMDS_MeshElement * elt; - if (triangleIsWellOriented) - elt = myTool->AddFace(n1, n2, n3); - else - elt = myTool->AddFace(n1, n3, n2); - meshDS->SetMeshElementOnShape(elt, faceID); - } - m++; + _helper->AddFace( nn[0], nn[i1], nn[i2] ); } // remove bad elements built on vertices shared by wires @@ -839,7 +871,7 @@ void StdMeshers_MEFISTO_2D::StoreResult(Z nbst, R2 * uvst, Z nbt, Z * nust, nbSame++; if (nbSame > 1) { MESSAGE( "RM bad element " << elem->GetID()); - meshDS->RemoveElement( elem ); + _helper->GetMeshDS()->RemoveElement( elem ); } } }