X-Git-Url: http://git.salome-platform.org/gitweb/?p=modules%2Fsmesh.git;a=blobdiff_plain;f=src%2FStdMeshers%2FStdMeshers_Regular_1D.cxx;h=e7f45cd66da0320742cbcc35e7ccf273d7d32eda;hp=6a6f92a79c66db8d0123d394cd21e2e0ac8a5071;hb=9d11375af40826e967ab2c3bcb77d1f9d439c90c;hpb=e4737e85f0da6d3f90fd08f6be1c2825195fe16f diff --git a/src/StdMeshers/StdMeshers_Regular_1D.cxx b/src/StdMeshers/StdMeshers_Regular_1D.cxx index 6a6f92a79..e7f45cd66 100644 --- a/src/StdMeshers/StdMeshers_Regular_1D.cxx +++ b/src/StdMeshers/StdMeshers_Regular_1D.cxx @@ -1,23 +1,23 @@ // SMESH SMESH : implementaion of SMESH idl descriptions // // Copyright (C) 2003 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN, -// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS -// -// 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. -// -// This library is distributed in the hope that it will be useful, -// but WITHOUT ANY WARRANTY; without even the implied warranty of -// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -// Lesser General Public License for more details. -// -// You should have received a copy of the GNU Lesser General Public -// License along with this library; if not, write to the Free Software -// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA -// -// See http://www.opencascade.org/SALOME/ or email : webmaster.salome@opencascade.org +// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS +// +// 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. +// +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +// Lesser General Public License for more details. +// +// You should have received a copy of the GNU Lesser General Public +// License along with this library; if not, write to the Free Software +// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +// +// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com // // // @@ -27,48 +27,55 @@ // Module : SMESH // $Header$ -using namespace std; - #include "StdMeshers_Regular_1D.hxx" -#include "SMESH_Gen.hxx" -#include "SMESH_Mesh.hxx" +#include "StdMeshers_Distribution.hxx" #include "StdMeshers_LocalLength.hxx" #include "StdMeshers_NumberOfSegments.hxx" #include "StdMeshers_Arithmetic1D.hxx" #include "StdMeshers_StartEndLength.hxx" #include "StdMeshers_Deflection1D.hxx" -#include "StdMeshers_Propagation.hxx" +#include "StdMeshers_AutomaticLength.hxx" + +#include "SMESH_Gen.hxx" +#include "SMESH_Mesh.hxx" +#include "SMESH_HypoFilter.hxx" +#include "SMESH_subMesh.hxx" #include "SMDS_MeshElement.hxx" #include "SMDS_MeshNode.hxx" #include "SMDS_EdgePosition.hxx" -#include "SMESH_subMesh.hxx" +#include "Utils_SALOME_Exception.hxx" #include "utilities.h" #include -#include - #include #include -#include #include - #include #include #include #include +#include +#include +#include +#include +#include +#include +#include #include -#include +#include #include -//#include +#include + +using namespace std; //============================================================================= /*! - * + * */ //============================================================================= @@ -84,11 +91,14 @@ StdMeshers_Regular_1D::StdMeshers_Regular_1D(int hypId, int studyId, _compatibleHypothesis.push_back("StartEndLength"); _compatibleHypothesis.push_back("Deflection1D"); _compatibleHypothesis.push_back("Arithmetic1D"); + _compatibleHypothesis.push_back("AutomaticLength"); + + _compatibleHypothesis.push_back("QuadraticMesh"); // auxiliary !!! } //============================================================================= /*! - * + * */ //============================================================================= @@ -98,27 +108,42 @@ StdMeshers_Regular_1D::~StdMeshers_Regular_1D() //============================================================================= /*! - * + * */ //============================================================================= bool StdMeshers_Regular_1D::CheckHypothesis - (SMESH_Mesh& aMesh, - const TopoDS_Shape& aShape, + (SMESH_Mesh& aMesh, + const TopoDS_Shape& aShape, SMESH_Hypothesis::Hypothesis_Status& aStatus) { _hypType = NONE; + _quadraticMesh = false; + + const bool ignoreAuxiliaryHyps = false; + const list & hyps = + GetUsedHypothesis(aMesh, aShape, ignoreAuxiliaryHyps); + + // find non-auxiliary hypothesis + const SMESHDS_Hypothesis *theHyp = 0; + list ::const_iterator h = hyps.begin(); + for ( ; h != hyps.end(); ++h ) { + if ( static_cast(*h)->IsAuxiliary() ) { + if ( strcmp( "QuadraticMesh", (*h)->GetName() ) == 0 ) + _quadraticMesh = true; + } + else { + if ( !theHyp ) + theHyp = *h; // use only the first non-auxiliary hypothesis + } + } - const list &hyps = GetUsedHypothesis(aMesh, aShape); - if (hyps.size() == 0) + if ( !theHyp ) { aStatus = SMESH_Hypothesis::HYP_MISSING; return false; // can't work without a hypothesis } - // use only the first hypothesis - const SMESHDS_Hypothesis *theHyp = hyps.front(); - string hypName = theHyp->GetName(); if (hypName == "LocalLength") @@ -137,9 +162,29 @@ bool StdMeshers_Regular_1D::CheckHypothesis const StdMeshers_NumberOfSegments * hyp = dynamic_cast (theHyp); ASSERT(hyp); - _value[ NB_SEGMENTS_IND ] = hyp->GetNumberOfSegments(); - _value[ SCALE_FACTOR_IND ] = hyp->GetScaleFactor(); - ASSERT( _value[ NB_SEGMENTS_IND ] > 0 ); + _ivalue[ NB_SEGMENTS_IND ] = hyp->GetNumberOfSegments(); + ASSERT( _ivalue[ NB_SEGMENTS_IND ] > 0 ); + _ivalue[ DISTR_TYPE_IND ] = (int) hyp->GetDistrType(); + switch (_ivalue[ DISTR_TYPE_IND ]) + { + case StdMeshers_NumberOfSegments::DT_Scale: + _value[ SCALE_FACTOR_IND ] = hyp->GetScaleFactor(); + break; + case StdMeshers_NumberOfSegments::DT_TabFunc: + _vvalue[ TAB_FUNC_IND ] = hyp->GetTableFunction(); + break; + case StdMeshers_NumberOfSegments::DT_ExprFunc: + _svalue[ EXPR_FUNC_IND ] = hyp->GetExpressionFunction(); + break; + case StdMeshers_NumberOfSegments::DT_Regular: + break; + default: + ASSERT(0); + break; + } + if (_ivalue[ DISTR_TYPE_IND ] == StdMeshers_NumberOfSegments::DT_TabFunc || + _ivalue[ DISTR_TYPE_IND ] == StdMeshers_NumberOfSegments::DT_ExprFunc) + _ivalue[ CONV_MODE_IND ] = hyp->ConversionMode(); _hypType = NB_SEGMENTS; aStatus = SMESH_Hypothesis::HYP_OK; } @@ -178,28 +223,135 @@ bool StdMeshers_Regular_1D::CheckHypothesis _hypType = DEFLECTION; aStatus = SMESH_Hypothesis::HYP_OK; } + + else if (hypName == "AutomaticLength") + { + StdMeshers_AutomaticLength * hyp = const_cast + (dynamic_cast (theHyp)); + ASSERT(hyp); + _value[ BEG_LENGTH_IND ] = _value[ END_LENGTH_IND ] = hyp->GetLength( &aMesh, aShape ); + ASSERT( _value[ BEG_LENGTH_IND ] > 0 ); + _hypType = LOCAL_LENGTH; + aStatus = SMESH_Hypothesis::HYP_OK; + } else aStatus = SMESH_Hypothesis::HYP_INCOMPATIBLE; return ( _hypType != NONE ); } +//======================================================================= +//function : compensateError +//purpose : adjust theParams so that the last segment length == an +//======================================================================= + +static void compensateError(double a1, double an, + double U1, double Un, + double length, + GeomAdaptor_Curve& C3d, + list & theParams) +{ + int i, nPar = theParams.size(); + if ( a1 + an < length && nPar > 1 ) + { + list::reverse_iterator itU = theParams.rbegin(); + double Ul = *itU++; + // dist from the last point to the edge end , it should be equal + double Ln = GCPnts_AbscissaPoint::Length( C3d, Ul, Un ); + double dLn = an - Ln; // error of + if ( Abs( dLn ) <= Precision::Confusion() ) + return; + double dU = Abs( Ul - *itU ); // parametric length of the last but one segment + double dUn = dLn * Abs( Un - U1 ) / length; // parametric error of + if ( dUn < 0.5 * dU ) { // last segment is a bit shorter than it should + dUn = -dUn; // move the last parameter to the edge beginning + } + else { // last segment is much shorter than it should -> remove the last param and + theParams.pop_back(); nPar--; // move the rest points toward the edge end + Ln = GCPnts_AbscissaPoint::Length( C3d, theParams.back(), Un ); + dUn = ( an - Ln ) * Abs( Un - U1 ) / length; + if ( dUn < 0.5 * dU ) + dUn = -dUn; + } + if ( U1 > Un ) + dUn = -dUn; + double q = dUn / ( nPar - 1 ); + for ( itU = theParams.rbegin(), i = 1; i < nPar; itU++, i++ ) { + (*itU) += dUn; + dUn -= q; + } + } +} + +static bool computeParamByFunc(Adaptor3d_Curve& C3d, double first, double last, + double length, bool theReverse, + int nbSeg, Function& func, + list& theParams) +{ + // never do this way + //OSD::SetSignal( true ); + + if( nbSeg<=0 ) + return false; + + MESSAGE( "computeParamByFunc" ); + + int nbPnt = 1 + nbSeg; + vector x(nbPnt, 0.); + + if( !buildDistribution( func, 0.0, 1.0, nbSeg, x, 1E-4 ) ) + return false; + + MESSAGE( "Points:\n" ); + char buf[1024]; + for( int i=0; i<=nbSeg; i++ ) + { + sprintf( buf, "%f\n", float(x[i] ) ); + MESSAGE( buf ); + } + + + + // apply parameters in range [0,1] to the space of the curve + double prevU = first; + double sign = 1.; + if (theReverse) + { + prevU = last; + sign = -1.; + } + for( int i = 1; i < nbSeg; i++ ) + { + double curvLength = length * (x[i] - x[i-1]) * sign; + GCPnts_AbscissaPoint Discret( C3d, curvLength, prevU ); + if ( !Discret.IsDone() ) + return false; + double U = Discret.Parameter(); + if ( U > first && U < last ) + theParams.push_back( U ); + else + return false; + prevU = U; + } + return true; +} + //============================================================================= /*! - * + * */ //============================================================================= bool StdMeshers_Regular_1D::computeInternalParameters(const TopoDS_Edge& theEdge, - list & theParams) const + list & theParams, + const bool theReverse) const { theParams.clear(); double f, l; Handle(Geom_Curve) Curve = BRep_Tool::Curve(theEdge, f, l); - GeomAdaptor_Curve C3d(Curve); + GeomAdaptor_Curve C3d (Curve, f, l); double length = EdgeLength(theEdge); - //SCRUTE(length); switch( _hypType ) { @@ -209,6 +361,7 @@ bool StdMeshers_Regular_1D::computeInternalParameters(const TopoDS_Edge& theEdge double eltSize = 1; if ( _hypType == LOCAL_LENGTH ) { + // Local Length hypothesis double nbseg = ceil(length / _value[ BEG_LENGTH_IND ]); // integer sup if (nbseg <= 0) nbseg = 1; // degenerated edge @@ -216,28 +369,62 @@ bool StdMeshers_Regular_1D::computeInternalParameters(const TopoDS_Edge& theEdge } else { - double epsilon = 0.001; - if (fabs(_value[ SCALE_FACTOR_IND ] - 1.0) > epsilon) - { - double alpha = - pow( _value[ SCALE_FACTOR_IND ], 1.0 / (_value[ NB_SEGMENTS_IND ] - 1)); - double factor = - length / (1 - pow( alpha,_value[ NB_SEGMENTS_IND ])); + // Number Of Segments hypothesis + int NbSegm = _ivalue[ NB_SEGMENTS_IND ]; + if ( NbSegm < 1 ) return false; + if ( NbSegm == 1 ) return true; - int i, NbPoints = (int) _value[ NB_SEGMENTS_IND ]; - for ( i = 2; i < NbPoints; i++ ) + switch (_ivalue[ DISTR_TYPE_IND ]) + { + case StdMeshers_NumberOfSegments::DT_Scale: { - double param = factor * (1 - pow(alpha, i - 1)); - theParams.push_back( param ); + double scale = _value[ SCALE_FACTOR_IND ]; + + if (fabs(scale - 1.0) < Precision::Confusion()) { + // special case to avoid division on zero + for (int i = 1; i < NbSegm; i++) { + double param = f + (l - f) * i / NbSegm; + theParams.push_back( param ); + } + } else { + // general case of scale distribution + if ( theReverse ) + scale = 1.0 / scale; + + double alpha = pow(scale, 1.0 / (NbSegm - 1)); + double factor = (l - f) / (1.0 - pow(alpha, NbSegm)); + + for (int i = 1; i < NbSegm; i++) { + double param = f + factor * (1.0 - pow(alpha, i)); + theParams.push_back( param ); + } + } + return true; } - return true; - } - else - { - eltSize = length / _value[ NB_SEGMENTS_IND ]; + break; + case StdMeshers_NumberOfSegments::DT_TabFunc: + { + FunctionTable func(_vvalue[ TAB_FUNC_IND ], _ivalue[ CONV_MODE_IND ]); + return computeParamByFunc(C3d, f, l, length, theReverse, + _ivalue[ NB_SEGMENTS_IND ], func, + theParams); + } + break; + case StdMeshers_NumberOfSegments::DT_ExprFunc: + { + FunctionExpr func(_svalue[ EXPR_FUNC_IND ].c_str(), _ivalue[ CONV_MODE_IND ]); + return computeParamByFunc(C3d, f, l, length, theReverse, + _ivalue[ NB_SEGMENTS_IND ], func, + theParams); + } + break; + case StdMeshers_NumberOfSegments::DT_Regular: + eltSize = length / _ivalue[ NB_SEGMENTS_IND ]; + break; + default: + return false; } } - GCPnts_UniformAbscissa Discret(C3d, eltSize, f, l); if ( !Discret.IsDone() ) return false; @@ -248,6 +435,7 @@ bool StdMeshers_Regular_1D::computeInternalParameters(const TopoDS_Edge& theEdge double param = Discret.Parameter(i); theParams.push_back( param ); } + compensateError( eltSize, eltSize, f, l, length, C3d, theParams ); // for PAL9899 return true; } @@ -259,100 +447,75 @@ bool StdMeshers_Regular_1D::computeInternalParameters(const TopoDS_Edge& theEdge double an = _value[ END_LENGTH_IND ]; double q = ( length - a1 ) / ( length - an ); - double U1 = Min ( f, l ); - double Un = Max ( f, l ); + double U1 = theReverse ? l : f; + double Un = theReverse ? f : l; double param = U1; - double eltSize = a1; + double eltSize = theReverse ? -a1 : a1; while ( 1 ) { // computes a point on a curve at the distance // from the point of parameter . GCPnts_AbscissaPoint Discret( C3d, eltSize, param ); if ( !Discret.IsDone() ) break; param = Discret.Parameter(); - if ( param < Un ) + if ( param > f && param < l ) theParams.push_back( param ); else break; eltSize *= q; } - if ( a1 + an < length ) { - // compensate error - double Ln = GCPnts_AbscissaPoint::Length( C3d, theParams.back(), Un ); - double dLn = an - Ln; - if ( dLn < 0.5 * an ) - dLn = -dLn; - else { - theParams.pop_back(); - Ln = GCPnts_AbscissaPoint::Length( C3d, theParams.back(), Un ); - dLn = an - Ln; - if ( dLn < 0.5 * an ) - dLn = -dLn; - } - double dUn = dLn * ( Un - U1 ) / length; -// SCRUTE( Ln ); -// SCRUTE( dLn ); -// SCRUTE( dUn ); - list::reverse_iterator itU = theParams.rbegin(); - int i, n = theParams.size(); - for ( i = 1 ; i < n; itU++, i++ ) { - (*itU) += dUn; - dUn /= q; - } - } - + compensateError( a1, an, U1, Un, length, C3d, theParams ); return true; } - case DEFLECTION: { - - GCPnts_UniformDeflection Discret(C3d, _value[ DEFLECTION_IND ], true); - if ( !Discret.IsDone() ) - return false; - - int NbPoints = Discret.NbPoints(); - for ( int i = 2; i < NbPoints; i++ ) - { - double param = Discret.Parameter(i); - theParams.push_back( param ); - } - return true; - - } - case ARITHMETIC_1D: { - // arithmetic progression: SUM(n) = ( an - a1 + q ) * ( a1 + an ) / ( 2 * q ) = length + + // arithmetic progression: SUM(n) = ( an - a1 + q ) * ( a1 + an ) / ( 2 * q ) = length double a1 = _value[ BEG_LENGTH_IND ]; double an = _value[ END_LENGTH_IND ]; - double nd = (2 * length) / (an + a1) - 1; - int n = int(nd); - if(n != nd) - n++; + double q = ( an - a1 ) / ( 2 *length/( a1 + an ) - 1 ); + int n = int( 1 + ( an - a1 ) / q ); - double q = ((2 * length) / (n + 1) - 2 * a1) / n; - double U1 = Min ( f, l ); - double Un = Max ( f, l ); + double U1 = theReverse ? l : f; + double Un = theReverse ? f : l; double param = U1; double eltSize = a1; - - double L=0; - while ( 1 ) { - L+=eltSize; + if ( theReverse ) { + eltSize = -eltSize; + q = -q; + } + while ( n-- > 0 && eltSize * ( Un - U1 ) > 0 ) { // computes a point on a curve at the distance // from the point of parameter . GCPnts_AbscissaPoint Discret( C3d, eltSize, param ); if ( !Discret.IsDone() ) break; param = Discret.Parameter(); - if ( fabs(param - Un) > Precision::Confusion() && param < Un) { + if ( param > f && param < l ) theParams.push_back( param ); - } else break; eltSize += q; } + compensateError( a1, an, U1, Un, length, C3d, theParams ); + + return true; + } + + case DEFLECTION: { + + GCPnts_UniformDeflection Discret(C3d, _value[ DEFLECTION_IND ], f, l, true); + if ( !Discret.IsDone() ) + return false; + int NbPoints = Discret.NbPoints(); + for ( int i = 2; i < NbPoints; i++ ) + { + double param = Discret.Parameter(i); + theParams.push_back( param ); + } return true; + } default:; @@ -363,7 +526,7 @@ bool StdMeshers_Regular_1D::computeInternalParameters(const TopoDS_Edge& theEdge //============================================================================= /*! - * + * */ //============================================================================= @@ -379,6 +542,7 @@ bool StdMeshers_Regular_1D::Compute(SMESH_Mesh & aMesh, const TopoDS_Shape & aSh const TopoDS_Edge & EE = TopoDS::Edge(aShape); 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); @@ -397,21 +561,28 @@ bool StdMeshers_Regular_1D::Compute(SMESH_Mesh & aMesh, const TopoDS_Shape & aSh ASSERT(!VLast.IsNull()); lid=aMesh.GetSubMesh(VLast)->GetSubMeshDS()->GetNodes(); - if (!lid->more()) - { + if (!lid->more()) { MESSAGE (" NO NODE BUILT ON VERTEX "); return false; } const SMDS_MeshNode * idLast = lid->next(); - if (!Curve.IsNull()) - { + if (!Curve.IsNull()) { list< double > params; + bool reversed = false; + if ( !_mainEdge.IsNull() ) + reversed = aMesh.IsReversedInChain( EE, _mainEdge ); try { - if ( ! computeInternalParameters( E, params )) +#if (OCC_VERSION_MAJOR << 16 | OCC_VERSION_MINOR << 8 | OCC_VERSION_MAINTENANCE) > 0x060100 + OCC_CATCH_SIGNALS; +#endif + if ( ! computeInternalParameters( E, params, reversed )) { + //cout << "computeInternalParameters() failed" <::iterator itU = params.begin(); itU != params.end(); itU++) - { + double parPrev = f; + double parLast = l; +// if(reversed) { +// parPrev = l; +// parLast = f; +// } + + for (list::iterator itU = params.begin(); itU != params.end(); itU++) { double param = *itU; gp_Pnt P = Curve->Value(param); //Add the Node in the DataStructure SMDS_MeshNode * node = meshDS->AddNode(P.X(), P.Y(), P.Z()); - meshDS->SetNodeOnEdge(node, E); - - // **** edgePosition associe au point = param. - SMDS_EdgePosition* epos = - dynamic_cast(node->GetPosition().get()); - epos->SetUParameter(param); + meshDS->SetNodeOnEdge(node, shapeID, param); + + if(_quadraticMesh) { + // create medium node + double prm = ( parPrev + param )/2; + gp_Pnt PM = Curve->Value(prm); + SMDS_MeshNode * NM = meshDS->AddNode(PM.X(), PM.Y(), PM.Z()); + meshDS->SetNodeOnEdge(NM, shapeID, prm); + SMDS_MeshEdge * edge = meshDS->AddEdge(idPrev, node, NM); + meshDS->SetMeshElementOnShape(edge, shapeID); + } + else { + SMDS_MeshEdge * edge = meshDS->AddEdge(idPrev, node); + meshDS->SetMeshElementOnShape(edge, shapeID); + } - SMDS_MeshEdge * edge = meshDS->AddEdge(idPrev, node); - meshDS->SetMeshElementOnShape(edge, E); idPrev = node; + parPrev = param; + } + if(_quadraticMesh) { + double prm = ( parPrev + parLast )/2; + gp_Pnt PM = Curve->Value(prm); + SMDS_MeshNode * NM = meshDS->AddNode(PM.X(), PM.Y(), PM.Z()); + meshDS->SetNodeOnEdge(NM, shapeID, prm); + SMDS_MeshEdge * edge = meshDS->AddEdge(idPrev, idLast, NM); + meshDS->SetMeshElementOnShape(edge, shapeID); + } + else { + SMDS_MeshEdge* edge = meshDS->AddEdge(idPrev, idLast); + meshDS->SetMeshElementOnShape(edge, shapeID); } - SMDS_MeshEdge* edge = meshDS->AddEdge(idPrev, idLast); - meshDS->SetMeshElementOnShape(edge, E); } - else - { + else { // Edge is a degenerated Edge : We put n = 5 points on the edge. - int NbPoints = 5; + const int NbPoints = 5; BRep_Tool::Range(E, f, l); double du = (l - f) / (NbPoints - 1); //MESSAGE("************* Degenerated edge! *****************"); @@ -454,152 +647,93 @@ bool StdMeshers_Regular_1D::Compute(SMESH_Mesh & aMesh, const TopoDS_Shape & aSh gp_Pnt P = BRep_Tool::Pnt(V1); const SMDS_MeshNode * idPrev = idFirst; - for (int i = 2; i < NbPoints; i++) - { + for (int i = 2; i < NbPoints; i++) { double param = f + (i - 1) * du; SMDS_MeshNode * node = meshDS->AddNode(P.X(), P.Y(), P.Z()); - meshDS->SetNodeOnEdge(node, E); - - SMDS_EdgePosition* epos = - dynamic_cast(node->GetPosition().get()); - epos->SetUParameter(param); - - SMDS_MeshEdge * edge = meshDS->AddEdge(idPrev, node); - meshDS->SetMeshElementOnShape(edge, E); + if(_quadraticMesh) { + // create medium node + double prm = param - du/2.; + SMDS_MeshNode * NM = meshDS->AddNode(P.X(), P.Y(), P.Z()); + meshDS->SetNodeOnEdge(NM, shapeID, prm); + SMDS_MeshEdge * edge = meshDS->AddEdge(idPrev, node, NM); + meshDS->SetMeshElementOnShape(edge, shapeID); + } + else { + SMDS_MeshEdge * edge = meshDS->AddEdge(idPrev, node); + meshDS->SetMeshElementOnShape(edge, shapeID); + } + meshDS->SetNodeOnEdge(node, shapeID, param); idPrev = node; } - SMDS_MeshEdge * edge = meshDS->AddEdge(idPrev, idLast); - meshDS->SetMeshElementOnShape(edge, E); + if(_quadraticMesh) { + // create medium node + double prm = l - du/2.; + SMDS_MeshNode * NM = meshDS->AddNode(P.X(), P.Y(), P.Z()); + meshDS->SetNodeOnEdge(NM, shapeID, prm); + SMDS_MeshEdge * edge = meshDS->AddEdge(idPrev, idLast, NM); + meshDS->SetMeshElementOnShape(edge, shapeID); + } + else { + SMDS_MeshEdge * edge = meshDS->AddEdge(idPrev, idLast); + meshDS->SetMeshElementOnShape(edge, shapeID); + } } return true; } //============================================================================= /*! - * GetUsedHypothesis + * See comments in SMESH_Algo.cxx */ //============================================================================= -const list & StdMeshers_Regular_1D::GetUsedHypothesis - (SMESH_Mesh & aMesh, const TopoDS_Shape & aShape) +const list & +StdMeshers_Regular_1D::GetUsedHypothesis(SMESH_Mesh & aMesh, + const TopoDS_Shape & aShape, + const bool ignoreAuxiliary) { _usedHypList.clear(); - _usedHypList = GetAppliedHypothesis(aMesh, aShape); // copy - int nbHyp = _usedHypList.size(); - - // try to find being propagated hypothesis - string propName = StdMeshers_Propagation::GetName(); - if (nbHyp == 0) { - // Get all opposite edges - TopTools_ListOfShape anOppositeEdges; - TopoDS_Shape mainShape = aMesh.GetMeshDS()->ShapeToMesh(); - GetOppositeEdges(mainShape, aShape, anOppositeEdges); - TopTools_ListIteratorOfListOfShape oppIt (anOppositeEdges); - for (; oppIt.More(); oppIt.Next()) { - const TopoDS_Shape& oppE = oppIt.Value(); - - // Find Propagation hypothesis on the opposite edge - if (IsPropagated(aMesh, oppE)) { - - // Get hypothesis, used by the opposite edge - _usedHypList = SMESH_Algo::GetUsedHypothesis(aMesh, oppE); - nbHyp = _usedHypList.size(); - if (nbHyp == 1) - break; - } - } - } - - // try to find relevant 1D hypothesis on ancestors - if (nbHyp == 0) { - TopTools_ListIteratorOfListOfShape ancIt (aMesh.GetAncestors(aShape)); - for (; ancIt.More(); ancIt.Next()) { - const TopoDS_Shape& ancestor = ancIt.Value(); - _usedHypList = GetAppliedHypothesis(aMesh, ancestor); // copy - nbHyp = _usedHypList.size(); - if (nbHyp == 1) - break; - } - } - - if (nbHyp > 1) - _usedHypList.clear(); //only one compatible hypothesis allowed - return _usedHypList; -} - -//============================================================================= -/*! - * Is Propagation hypothesis assigned to theShape or its ancestors - */ -//============================================================================= -Standard_Boolean StdMeshers_Regular_1D::IsPropagated (SMESH_Mesh & theMesh, - const TopoDS_Shape & theShape) -{ - const SMESHDS_Mesh * meshDS = theMesh.GetMeshDS(); + _mainEdge.Nullify(); - // try to find Propagation hypothesis on theShape - const list & listHyp = meshDS->GetHypothesis(theShape); + SMESH_HypoFilter auxiliaryFilter, compatibleFilter; + auxiliaryFilter.Init( SMESH_HypoFilter::IsAuxiliary() ); + const bool ignoreAux = true; + InitCompatibleHypoFilter( compatibleFilter, ignoreAux ); - list::const_iterator it = listHyp.begin(); - for (; it != listHyp.end(); it++) { - const SMESHDS_Hypothesis *anHyp = *it; - if (anHyp->GetName() == StdMeshers_Propagation::GetName()) - return Standard_True; - } + // get non-auxiliary assigned to aShape + int nbHyp = aMesh.GetHypotheses( aShape, compatibleFilter, _usedHypList, false ); - // try to find Propagation hypothesis on ancestors - TopTools_ListIteratorOfListOfShape ancIt (theMesh.GetAncestors(theShape)); - for (; ancIt.More(); ancIt.Next()) { - const TopoDS_Shape& ancestor = ancIt.Value(); - const list & listAncHyp = meshDS->GetHypothesis(ancestor); - - list::const_iterator itAnc = listAncHyp.begin(); - for (; itAnc != listAncHyp.end(); itAnc++) { - const SMESHDS_Hypothesis *anHyp = *itAnc; - if (anHyp->GetName() == StdMeshers_Propagation::GetName()) - return Standard_True; + if (nbHyp == 0) + { + // Check, if propagated from some other edge + if (aShape.ShapeType() == TopAbs_EDGE && + aMesh.IsPropagatedHypothesis(aShape, _mainEdge)) + { + // Propagation of 1D hypothesis from on this edge; + // get non-auxiliary assigned to _mainEdge + nbHyp = aMesh.GetHypotheses( _mainEdge, compatibleFilter, _usedHypList, true ); } } - return Standard_False; -} - -//============================================================================= -/*! - * GetOppositeEdges() - get all edges of theShape, - * laying on any quadrangle face in front of theEdge - */ -//============================================================================= -void StdMeshers_Regular_1D::GetOppositeEdges (const TopoDS_Shape& theShape, - const TopoDS_Shape& theEdge, - TopTools_ListOfShape& theOppositeEdges) const -{ - TopExp_Explorer aWires (theShape, TopAbs_WIRE); - for (; aWires.More(); aWires.Next()) { - const TopoDS_Shape& aWire = aWires.Current(); - BRepTools_WireExplorer aWE (TopoDS::Wire(aWire)); - Standard_Integer nb = 1, found = 0; - TopTools_Array1OfShape anEdges (1,4); - for (; aWE.More(); aWE.Next(), nb++) { - if (nb > 4) { - found = 0; - break; - } - anEdges(nb) = aWE.Current(); - if (anEdges(nb).IsSame(theEdge)) - found = nb; - } - if (nb == 5 && found > 0) { - Standard_Integer opp = found + 2; - if (opp > 4) opp -= 4; - theOppositeEdges.Append(anEdges(opp)); - } + if (nbHyp == 0) // nothing propagated nor assigned to aShape + { + SMESH_Algo::GetUsedHypothesis( aMesh, aShape, ignoreAuxiliary ); + nbHyp = _usedHypList.size(); } + else + { + // get auxiliary hyps from aShape + aMesh.GetHypotheses( aShape, auxiliaryFilter, _usedHypList, true ); + } + if ( nbHyp > 1 && ignoreAuxiliary ) + _usedHypList.clear(); //only one compatible non-auxiliary hypothesis allowed + + return _usedHypList; } //============================================================================= /*! - * + * */ //============================================================================= @@ -610,7 +744,7 @@ ostream & StdMeshers_Regular_1D::SaveTo(ostream & save) //============================================================================= /*! - * + * */ //============================================================================= @@ -621,7 +755,7 @@ istream & StdMeshers_Regular_1D::LoadFrom(istream & load) //============================================================================= /*! - * + * */ //============================================================================= @@ -632,7 +766,7 @@ ostream & operator <<(ostream & save, StdMeshers_Regular_1D & hyp) //============================================================================= /*! - * + * */ //=============================================================================