-// 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
// 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
// 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"
#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"
//=============================================================================
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");
}
//=============================================================================
/*!
- *
+ *
*/
//=============================================================================
//=============================================================================
/*!
- *
+ *
*/
//=============================================================================
-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 <const SMESHDS_Hypothesis * > & hyps =
GetUsedHypothesis(aMesh, aShape, /*ignoreAuxiliaryHyps=*/false);
+ const SMESH_HypoFilter & propagFilter = StdMeshers_Propagation::GetFilter();
+
// find non-auxiliary hypothesis
const SMESHDS_Hypothesis *theHyp = 0;
+ set< string > propagTypes;
list <const SMESHDS_Hypothesis * >::const_iterator h = hyps.begin();
for ( ; h != hyps.end(); ++h ) {
if ( static_cast<const SMESH_Hypothesis*>(*h)->IsAuxiliary() ) {
if ( strcmp( "QuadraticMesh", (*h)->GetName() ) == 0 )
_quadraticMesh = true;
+ if ( propagFilter.IsOk( static_cast< const SMESH_Hypothesis*>( *h ), aShape ))
+ propagTypes.insert( (*h)->GetName() );
}
else {
if ( !theHyp )
aStatus = SMESH_Hypothesis::HYP_OK;
}
+ else if (hypName == "GeometricProgression")
+ {
+ const StdMeshers_Geometric1D * hyp =
+ dynamic_cast <const StdMeshers_Geometric1D * >(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 <const StdMeshers_FixedPoints1D*>(theHyp);
ASSERT(_fpHyp);
(dynamic_cast <const StdMeshers_AutomaticLength * >(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;
+ aStatus = SMESH_Hypothesis::HYP_OK;
+ }
else
+ {
aStatus = SMESH_Hypothesis::HYP_INCOMPATIBLE;
+ }
+
+ if ( propagTypes.size() > 1 && aStatus == HYP_OK )
+ {
+ // detect concurrent Propagation hyps
+ _usedHypList.clear();
+ list< TopoDS_Shape > assignedTo;
+ if ( aMesh.GetHypotheses( aShape, propagFilter, _usedHypList, true, &assignedTo ) > 1 )
+ {
+ // find most simple shape and a hyp on it
+ int simpleShape = TopAbs_COMPOUND;
+ const SMESHDS_Hypothesis* localHyp = 0;
+ list< TopoDS_Shape >::iterator shape = assignedTo.begin();
+ list< const SMESHDS_Hypothesis *>::iterator hyp = _usedHypList.begin();
+ for ( ; shape != assignedTo.end(); ++shape )
+ if ( shape->ShapeType() > simpleShape )
+ {
+ simpleShape = shape->ShapeType();
+ localHyp = (*hyp);
+ }
+ // check if there a different hyp on simpleShape
+ shape = assignedTo.begin();
+ hyp = _usedHypList.begin();
+ for ( ; hyp != _usedHypList.end(); ++hyp, ++shape )
+ if ( shape->ShapeType() == simpleShape &&
+ !localHyp->IsSameName( **hyp ))
+ {
+ aStatus = HYP_INCOMPAT_HYPS;
+ return error( SMESH_Comment("Hypotheses of both \"")
+ << StdMeshers_Propagation::GetName() << "\" and \""
+ << StdMeshers_PropagOfDistribution::GetName()
+ << "\" types can't be applied to the same edge");
+ }
+ }
+ }
- return ( _hypType != NONE );
+ return ( aStatus == SMESH_Hypothesis::HYP_OK );
}
static bool computeParamByFunc(Adaptor3d_Curve& C3d, double first, double last,
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);
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;
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();
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<double> 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-- )
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:
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 )
{
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 ])
{
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 {
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 );
}
}
break;
case StdMeshers_NumberOfSegments::DT_Regular:
- eltSize = theLength / _ivalue[ NB_SEGMENTS_IND ];
+ eltSize = theLength / nbSegments;
break;
default:
return false;
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;
}
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 <theC3d> at the distance <eltSize>
+ // from the point of parameter <param>.
+ 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<double>& aPnts = _fpHyp->GetPoints();
- const std::vector<int>& nbsegs = _fpHyp->GetNbSegments();
+ const std::vector<int>& nbsegs = _fpHyp->GetNbSegments();
int i = 0;
TColStd_SequenceOfReal Params;
for(; i<aPnts.size(); i++) {
if ( _hypType == NONE )
return false;
+ if ( _hypType == ADAPTIVE )
+ {
+ _adaptiveHyp->GetAlgo()->InitComputeError();
+ _adaptiveHyp->GetAlgo()->Compute( theMesh, theShape );
+ return error( _adaptiveHyp->GetAlgo()->GetComputeError() );
+ }
+
SMESHDS_Mesh * meshDS = theMesh.GetMeshDS();
const TopoDS_Edge & EE = TopoDS::Edge(theShape);
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);
_usedHypList.clear();
_mainEdge.Nullify();
- SMESH_HypoFilter auxiliaryFilter, compatibleFilter;
- auxiliaryFilter.Init( SMESH_HypoFilter::IsAuxiliary() );
- InitCompatibleHypoFilter( compatibleFilter, /*ignoreAux=*/true );
+ SMESH_HypoFilter auxiliaryFilter( SMESH_HypoFilter::IsAuxiliary() );
+ const SMESH_HypoFilter* compatibleFilter = GetCompatibleHypoFilter(/*ignoreAux=*/true );
// get non-auxiliary assigned directly to aShape
- int nbHyp = aMesh.GetHypotheses( aShape, compatibleFilter, _usedHypList, false );
+ int nbHyp = aMesh.GetHypotheses( aShape, *compatibleFilter, _usedHypList, false );
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 <aMainEdge> on this edge;
// get non-auxiliary assigned to _mainEdge
- nbHyp = aMesh.GetHypotheses( _mainEdge, compatibleFilter, _usedHypList, true );
+ nbHyp = aMesh.GetHypotheses( _mainEdge, *compatibleFilter, _usedHypList, true );
}
}
return _usedHypList;
}
+
+//================================================================================
+/*!
+ * \brief Pass CancelCompute() to a child algorithm
+ */
+//================================================================================
+
+void StdMeshers_Regular_1D::CancelCompute()
+{
+ SMESH_Algo::CancelCompute();
+ if ( _hypType == ADAPTIVE )
+ _adaptiveHyp->GetAlgo()->CancelCompute();
+}
