X-Git-Url: http://git.salome-platform.org/gitweb/?p=modules%2Fsmesh.git;a=blobdiff_plain;f=src%2FStdMeshers%2FStdMeshers_Regular_1D.cxx;h=f3449e85df61d1926df7074cbec8d7d107dbb9dc;hp=8d900955d284778f5dadb9fddb78416b11f5311e;hb=faaf2eee1d5badc5647a3d17140edc1067f8293f;hpb=bd4e115a78b52e3fbc016e5e30bb0e19b2a9e7d6 diff --git a/src/StdMeshers/StdMeshers_Regular_1D.cxx b/src/StdMeshers/StdMeshers_Regular_1D.cxx index 8d900955d..f3449e85d 100644 --- a/src/StdMeshers/StdMeshers_Regular_1D.cxx +++ b/src/StdMeshers/StdMeshers_Regular_1D.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 @@ -26,11 +26,22 @@ // Module : SMESH // #include "StdMeshers_Regular_1D.hxx" -#include "StdMeshers_Distribution.hxx" +#include "SMDS_MeshElement.hxx" +#include "SMDS_MeshNode.hxx" +#include "SMESH_Comment.hxx" +#include "SMESH_Gen.hxx" +#include "SMESH_HypoFilter.hxx" +#include "SMESH_Mesh.hxx" +#include "SMESH_subMesh.hxx" +#include "SMESH_subMeshEventListener.hxx" +#include "StdMeshers_Adaptive1D.hxx" #include "StdMeshers_Arithmetic1D.hxx" +#include "StdMeshers_Geometric1D.hxx" #include "StdMeshers_AutomaticLength.hxx" #include "StdMeshers_Deflection1D.hxx" +#include "StdMeshers_Distribution.hxx" +#include "StdMeshers_FixedPoints1D.hxx" #include "StdMeshers_LocalLength.hxx" #include "StdMeshers_MaxLength.hxx" #include "StdMeshers_NumberOfSegments.hxx" @@ -38,16 +49,6 @@ #include "StdMeshers_SegmentLengthAroundVertex.hxx" #include "StdMeshers_StartEndLength.hxx" -#include "SMESH_Gen.hxx" -#include "SMESH_Mesh.hxx" -#include "SMESH_HypoFilter.hxx" -#include "SMESH_subMesh.hxx" -#include "SMESH_subMeshEventListener.hxx" -#include "SMESH_Comment.hxx" - -#include "SMDS_MeshElement.hxx" -#include "SMDS_MeshNode.hxx" - #include "Utils_SALOME_Exception.hxx" #include "utilities.h" @@ -75,29 +76,33 @@ using namespace std; //============================================================================= StdMeshers_Regular_1D::StdMeshers_Regular_1D(int hypId, int studyId, - SMESH_Gen * gen):SMESH_1D_Algo(hypId, studyId, gen) + SMESH_Gen * gen) + :SMESH_1D_Algo(hypId, studyId, gen) { - MESSAGE("StdMeshers_Regular_1D::StdMeshers_Regular_1D"); - _name = "Regular_1D"; - _shapeType = (1 << TopAbs_EDGE); - _fpHyp = 0; - - _compatibleHypothesis.push_back("LocalLength"); - _compatibleHypothesis.push_back("MaxLength"); - _compatibleHypothesis.push_back("NumberOfSegments"); - _compatibleHypothesis.push_back("StartEndLength"); - _compatibleHypothesis.push_back("Deflection1D"); - _compatibleHypothesis.push_back("Arithmetic1D"); - _compatibleHypothesis.push_back("FixedPoints1D"); - _compatibleHypothesis.push_back("AutomaticLength"); - - _compatibleHypothesis.push_back("QuadraticMesh"); // auxiliary !!! - _compatibleHypothesis.push_back("Propagation"); // auxiliary !!! + MESSAGE("StdMeshers_Regular_1D::StdMeshers_Regular_1D"); + _name = "Regular_1D"; + _shapeType = (1 << TopAbs_EDGE); + _fpHyp = 0; + + _compatibleHypothesis.push_back("LocalLength"); + _compatibleHypothesis.push_back("MaxLength"); + _compatibleHypothesis.push_back("NumberOfSegments"); + _compatibleHypothesis.push_back("StartEndLength"); + _compatibleHypothesis.push_back("Deflection1D"); + _compatibleHypothesis.push_back("Arithmetic1D"); + _compatibleHypothesis.push_back("GeometricProgression"); + _compatibleHypothesis.push_back("FixedPoints1D"); + _compatibleHypothesis.push_back("AutomaticLength"); + _compatibleHypothesis.push_back("Adaptive1D"); + // auxiliary: + _compatibleHypothesis.push_back("QuadraticMesh"); + _compatibleHypothesis.push_back("Propagation"); + _compatibleHypothesis.push_back("PropagOfDistribution"); } //============================================================================= /*! - * + * */ //============================================================================= @@ -111,13 +116,13 @@ StdMeshers_Regular_1D::~StdMeshers_Regular_1D() */ //============================================================================= -bool StdMeshers_Regular_1D::CheckHypothesis - (SMESH_Mesh& aMesh, - const TopoDS_Shape& aShape, - SMESH_Hypothesis::Hypothesis_Status& aStatus) +bool StdMeshers_Regular_1D::CheckHypothesis( SMESH_Mesh& aMesh, + const TopoDS_Shape& aShape, + Hypothesis_Status& aStatus ) { _hypType = NONE; _quadraticMesh = false; + _onlyUnaryInput = true; const list & hyps = GetUsedHypothesis(aMesh, aShape, /*ignoreAuxiliaryHyps=*/false); @@ -221,6 +226,21 @@ bool StdMeshers_Regular_1D::CheckHypothesis aStatus = SMESH_Hypothesis::HYP_OK; } + else if (hypName == "GeometricProgression") + { + const StdMeshers_Geometric1D * hyp = + dynamic_cast (theHyp); + ASSERT(hyp); + _value[ BEG_LENGTH_IND ] = hyp->GetStartLength(); + _value[ END_LENGTH_IND ] = hyp->GetCommonRatio(); + ASSERT( _value[ BEG_LENGTH_IND ] > 0 && _value[ END_LENGTH_IND ] > 0 ); + _hypType = GEOMETRIC_1D; + + _revEdgesIDs = hyp->GetReversedEdges(); + + aStatus = SMESH_Hypothesis::HYP_OK; + } + else if (hypName == "FixedPoints1D") { _fpHyp = dynamic_cast (theHyp); ASSERT(_fpHyp); @@ -263,12 +283,17 @@ bool StdMeshers_Regular_1D::CheckHypothesis (dynamic_cast (theHyp)); ASSERT(hyp); _value[ BEG_LENGTH_IND ] = _value[ END_LENGTH_IND ] = hyp->GetLength( &aMesh, aShape ); -// _value[ BEG_LENGTH_IND ] = hyp->GetLength( &aMesh, aShape ); -// _value[ END_LENGTH_IND ] = Precision::Confusion(); // ?? or set to zero? ASSERT( _value[ BEG_LENGTH_IND ] > 0 ); _hypType = MAX_LENGTH; aStatus = SMESH_Hypothesis::HYP_OK; } + else if (hypName == "Adaptive1D") + { + _adaptiveHyp = dynamic_cast < const StdMeshers_Adaptive1D* >(theHyp); + ASSERT(_adaptiveHyp); + _hypType = ADAPTIVE; + _onlyUnaryInput = false; + } else aStatus = SMESH_Hypothesis::HYP_INCOMPATIBLE; @@ -354,7 +379,7 @@ static void compensateError(double a1, double an, bool adjustNeighbors2an = false) { int i, nPar = theParams.size(); - if ( a1 + an < length && nPar > 1 ) + if ( a1 + an <= length && nPar > 1 ) { bool reverse = ( U1 > Un ); GCPnts_AbscissaPoint Discret(C3d, reverse ? an : -an, Un); @@ -375,10 +400,9 @@ static void compensateError(double a1, double an, dUn = Utgt - theParams.back(); } - double q = dUn / ( nPar - 1 ); if ( !adjustNeighbors2an ) { - q = dUn / ( Utgt - Un ); // (signed) factor of segment length change + double q = dUn / ( Utgt - Un ); // (signed) factor of segment length change for ( itU = theParams.rbegin(), i = 1; i < nPar; i++ ) { double prevU = *itU; (*itU) += dUn; @@ -386,7 +410,13 @@ static void compensateError(double a1, double an, dUn = q * (*itU - prevU) * (prevU-U1)/(Un-U1); } } - else { + else if ( nPar == 1 ) + { + theParams.back() += dUn; + } + else + { + double q = dUn / ( nPar - 1 ); theParams.back() += dUn; double sign = reverse ? -1 : 1; double prevU = theParams.back(); @@ -555,17 +585,20 @@ void StdMeshers_Regular_1D::redistributeNearVertices (SMESH_Mesh & theM double Um = *itU++; double Lm = GCPnts_AbscissaPoint::Length( theC3d, Um, *itU); double L = GCPnts_AbscissaPoint::Length( theC3d, *itU, l); - StdMeshers_Regular_1D algo( *this ); - algo._hypType = BEG_END_LENGTH; - algo._value[ BEG_LENGTH_IND ] = Lm; - algo._value[ END_LENGTH_IND ] = vertexLength; + static StdMeshers_Regular_1D* auxAlgo = 0; + if ( !auxAlgo ) { + auxAlgo = new StdMeshers_Regular_1D( _gen->GetANewId(), _studyId, _gen ); + auxAlgo->_hypType = BEG_END_LENGTH; + } + auxAlgo->_value[ BEG_LENGTH_IND ] = Lm; + auxAlgo->_value[ END_LENGTH_IND ] = vertexLength; double from = *itU, to = l; if ( isEnd1 ) { std::swap( from, to ); - std::swap( algo._value[ BEG_LENGTH_IND ], algo._value[ END_LENGTH_IND ]); + std::swap( auxAlgo->_value[ BEG_LENGTH_IND ], auxAlgo->_value[ END_LENGTH_IND ]); } list params; - if ( algo.computeInternalParameters( theMesh, theC3d, L, from, to, params, false )) + if ( auxAlgo->computeInternalParameters( theMesh, theC3d, L, from, to, params, false )) { if ( isEnd1 ) params.reverse(); while ( 1 + nHalf-- ) @@ -601,6 +634,58 @@ bool StdMeshers_Regular_1D::computeInternalParameters(SMESH_Mesh & theMesh, double f = theFirstU, l = theLastU; + // Propagation Of Distribution + // + if ( !_mainEdge.IsNull() && _isPropagOfDistribution ) + { + TopoDS_Edge mainEdge = TopoDS::Edge( _mainEdge ); // should not be a reference! + _gen->Compute( theMesh, mainEdge, /*aShapeOnly=*/true, /*anUpward=*/true); + + SMESHDS_SubMesh* smDS = theMesh.GetMeshDS()->MeshElements( mainEdge ); + if ( !smDS ) + return error("No mesh on the source edge of Propagation Of Distribution"); + if ( smDS->NbNodes() < 1 ) + return true; // 1 segment + + vector< double > mainEdgeParams; + if ( ! SMESH_Algo::GetNodeParamOnEdge( theMesh.GetMeshDS(), mainEdge, mainEdgeParams )) + return error("Bad node parameters on the source edge of Propagation Of Distribution"); + + vector< double > segLen( mainEdgeParams.size() - 1 ); + double totalLen = 0; + BRepAdaptor_Curve mainEdgeCurve( mainEdge ); + for ( size_t i = 1; i < mainEdgeParams.size(); ++i ) + { + segLen[ i-1 ] = GCPnts_AbscissaPoint::Length( mainEdgeCurve, + mainEdgeParams[i-1], + mainEdgeParams[i]); + totalLen += segLen[ i-1 ]; + } + for ( size_t i = 0; i < segLen.size(); ++i ) + segLen[ i ] *= theLength / totalLen; + + size_t iSeg = theReverse ? segLen.size()-1 : 0; + size_t dSeg = theReverse ? -1 : +1; + double param = theFirstU; + int nbParams = 0; + for ( int i = 0, nb = segLen.size()-1; i < nb; ++i, iSeg += dSeg ) + { + GCPnts_AbscissaPoint Discret( theC3d, segLen[ iSeg ], param ); + if ( !Discret.IsDone() ) break; + param = Discret.Parameter(); + theParams.push_back( param ); + ++nbParams; + } + if ( nbParams != segLen.size()-1 ) + return error( SMESH_Comment("Can't divide into ") << segLen.size() << " segements"); + + compensateError( segLen[ theReverse ? segLen.size()-1 : 0 ], + segLen[ theReverse ? 0 : segLen.size()-1 ], + f, l, theLength, theC3d, theParams, true ); + return true; + } + + switch( _hypType ) { case LOCAL_LENGTH: @@ -608,12 +693,14 @@ bool StdMeshers_Regular_1D::computeInternalParameters(SMESH_Mesh & theMesh, case NB_SEGMENTS: { double eltSize = 1; + int nbSegments; if ( _hypType == MAX_LENGTH ) { double nbseg = ceil(theLength / _value[ BEG_LENGTH_IND ]); // integer sup if (nbseg <= 0) nbseg = 1; // degenerated edge eltSize = theLength / nbseg; + nbSegments = (int) nbseg; } else if ( _hypType == LOCAL_LENGTH ) { @@ -654,13 +741,14 @@ bool StdMeshers_Regular_1D::computeInternalParameters(SMESH_Mesh & theMesh, if (nbseg <= 0) nbseg = 1; // degenerated edge eltSize = theLength / nbseg; + nbSegments = (int) nbseg; } else { // Number Of Segments hypothesis - int NbSegm = _ivalue[ NB_SEGMENTS_IND ]; - if ( NbSegm < 1 ) return false; - if ( NbSegm == 1 ) return true; + nbSegments = _ivalue[ NB_SEGMENTS_IND ]; + if ( nbSegments < 1 ) return false; + if ( nbSegments == 1 ) return true; switch (_ivalue[ DISTR_TYPE_IND ]) { @@ -670,8 +758,8 @@ bool StdMeshers_Regular_1D::computeInternalParameters(SMESH_Mesh & theMesh, if (fabs(scale - 1.0) < Precision::Confusion()) { // special case to avoid division by zero - for (int i = 1; i < NbSegm; i++) { - double param = f + (l - f) * i / NbSegm; + for (int i = 1; i < nbSegments; i++) { + double param = f + (l - f) * i / nbSegments; theParams.push_back( param ); } } else { @@ -679,10 +767,10 @@ bool StdMeshers_Regular_1D::computeInternalParameters(SMESH_Mesh & theMesh, if ( theReverse ) scale = 1.0 / scale; - double alpha = pow(scale, 1.0 / (NbSegm - 1)); - double factor = (l - f) / (1.0 - pow(alpha, NbSegm)); + double alpha = pow(scale, 1.0 / (nbSegments - 1)); + double factor = (l - f) / (1.0 - pow(alpha, nbSegments)); - for (int i = 1; i < NbSegm; i++) { + for (int i = 1; i < nbSegments; i++) { double param = f + factor * (1.0 - pow(alpha, i)); theParams.push_back( param ); } @@ -715,7 +803,7 @@ bool StdMeshers_Regular_1D::computeInternalParameters(SMESH_Mesh & theMesh, } break; case StdMeshers_NumberOfSegments::DT_Regular: - eltSize = theLength / _ivalue[ NB_SEGMENTS_IND ]; + eltSize = theLength / nbSegments; break; default: return false; @@ -725,13 +813,13 @@ bool StdMeshers_Regular_1D::computeInternalParameters(SMESH_Mesh & theMesh, if ( !Discret.IsDone() ) return error( "GCPnts_UniformAbscissa failed"); - int NbPoints = Discret.NbPoints(); - for ( int i = 2; i < NbPoints; i++ ) + int NbPoints = Min( Discret.NbPoints(), nbSegments + 1 ); + for ( int i = 2; i < NbPoints; i++ ) // skip 1st and last points { double param = Discret.Parameter(i); theParams.push_back( param ); } - compensateError( eltSize, eltSize, f, l, theLength, theC3d, theParams ); // for PAL9899 + compensateError( eltSize, eltSize, f, l, theLength, theC3d, theParams, true ); // for PAL9899 return true; } @@ -806,9 +894,54 @@ bool StdMeshers_Regular_1D::computeInternalParameters(SMESH_Mesh & theMesh, return true; } + case GEOMETRIC_1D: { + + double a1 = _value[ BEG_LENGTH_IND ], an; + double q = _value[ END_LENGTH_IND ]; + + double U1 = theReverse ? l : f; + double Un = theReverse ? f : l; + double param = U1; + double eltSize = a1; + if ( theReverse ) + eltSize = -eltSize; + + int nbParams = 0; + while ( true ) { + // computes a point on a curve at the distance + // from the point of parameter . + GCPnts_AbscissaPoint Discret( theC3d, eltSize, param ); + if ( !Discret.IsDone() ) break; + param = Discret.Parameter(); + if ( f < param && param < l ) + theParams.push_back( param ); + else + break; + an = eltSize; + eltSize *= q; + ++nbParams; + } + if ( nbParams > 1 ) + { + if ( Abs( param - Un ) < 0.2 * Abs( param - theParams.back() )) + { + compensateError( a1, eltSize, U1, Un, theLength, theC3d, theParams ); + } + else if ( Abs( Un - theParams.back() ) < + 0.2 * Abs( theParams.back() - *(--theParams.rbegin()))) + { + theParams.pop_back(); + compensateError( a1, an, U1, Un, theLength, theC3d, theParams ); + } + } + if (theReverse) theParams.reverse(); // NPAL18025 + + return true; + } + case FIXED_POINTS_1D: { const std::vector& aPnts = _fpHyp->GetPoints(); - const std::vector& nbsegs = _fpHyp->GetNbSegments(); + const std::vector& nbsegs = _fpHyp->GetNbSegments(); int i = 0; TColStd_SequenceOfReal Params; for(; iGetAlgo()->InitComputeError(); + _adaptiveHyp->GetAlgo()->Compute( theMesh, theShape ); + return error( _adaptiveHyp->GetAlgo()->GetComputeError() ); + } + SMESHDS_Mesh * meshDS = theMesh.GetMeshDS(); const TopoDS_Edge & EE = TopoDS::Edge(theShape); @@ -1117,11 +1257,15 @@ bool StdMeshers_Regular_1D::Evaluate(SMESH_Mesh & theMesh, if ( _hypType == NONE ) return false; - //SMESHDS_Mesh * meshDS = theMesh.GetMeshDS(); + if ( _hypType == ADAPTIVE ) + { + _adaptiveHyp->GetAlgo()->InitComputeError(); + _adaptiveHyp->GetAlgo()->Evaluate( theMesh, theShape, aResMap ); + return error( _adaptiveHyp->GetAlgo()->GetComputeError() ); + } const TopoDS_Edge & EE = TopoDS::Edge(theShape); TopoDS_Edge E = TopoDS::Edge(EE.Oriented(TopAbs_FORWARD)); - // int shapeID = meshDS->ShapeToIndex( E ); double f, l; Handle(Geom_Curve) Curve = BRep_Tool::Curve(E, f, l); @@ -1202,7 +1346,8 @@ StdMeshers_Regular_1D::GetUsedHypothesis(SMESH_Mesh & aMesh, if (nbHyp == 0 && aShape.ShapeType() == TopAbs_EDGE) { // Check, if propagated from some other edge - _mainEdge = StdMeshers_Propagation::GetPropagationSource( aMesh, aShape ); + _mainEdge = StdMeshers_Propagation::GetPropagationSource( aMesh, aShape, + _isPropagOfDistribution ); if ( !_mainEdge.IsNull() ) { // Propagation of 1D hypothesis from on this edge; @@ -1226,3 +1371,16 @@ StdMeshers_Regular_1D::GetUsedHypothesis(SMESH_Mesh & aMesh, return _usedHypList; } + +//================================================================================ +/*! + * \brief Pass CancelCompute() to a child algorithm + */ +//================================================================================ + +void StdMeshers_Regular_1D::CancelCompute() +{ + SMESH_Algo::CancelCompute(); + if ( _hypType == ADAPTIVE ) + _adaptiveHyp->GetAlgo()->CancelCompute(); +}