-// Copyright (C) 2007-2014 CEA/DEN, EDF R&D, OPEN CASCADE
+// Copyright (C) 2007-2020 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
#include "SMDS_MeshElement.hxx"
#include "SMDS_MeshNode.hxx"
+#include "SMESHDS_Mesh.hxx"
#include "SMESH_Comment.hxx"
#include "SMESH_Gen.hxx"
#include "SMESH_HypoFilter.hxx"
#include "SMESH_subMeshEventListener.hxx"
#include "StdMeshers_Adaptive1D.hxx"
#include "StdMeshers_Arithmetic1D.hxx"
-#include "StdMeshers_Geometric1D.hxx"
#include "StdMeshers_AutomaticLength.hxx"
+#include "StdMeshers_Geometric1D.hxx"
#include "StdMeshers_Deflection1D.hxx"
#include "StdMeshers_Distribution.hxx"
#include "StdMeshers_FixedPoints1D.hxx"
#include "StdMeshers_SegmentLengthAroundVertex.hxx"
#include "StdMeshers_StartEndLength.hxx"
-#include "Utils_SALOME_Exception.hxx"
-#include "utilities.h"
+#include <Utils_SALOME_Exception.hxx>
+#include <utilities.h>
#include <BRepAdaptor_Curve.hxx>
#include <BRep_Tool.hxx>
//=============================================================================
/*!
- *
+ *
*/
//=============================================================================
-StdMeshers_Regular_1D::StdMeshers_Regular_1D(int hypId, int studyId,
+StdMeshers_Regular_1D::StdMeshers_Regular_1D(int hypId,
SMESH_Gen * gen)
- :SMESH_1D_Algo(hypId, studyId, gen)
+ :SMESH_1D_Algo( hypId, gen )
{
- MESSAGE("StdMeshers_Regular_1D::StdMeshers_Regular_1D");
_name = "Regular_1D";
_shapeType = (1 << TopAbs_EDGE);
_fpHyp = 0;
const TopoDS_Shape& aShape,
Hypothesis_Status& aStatus )
{
- _hypType = NONE;
- _quadraticMesh = false;
+ _hypType = NONE;
+ _quadraticMesh = false;
_onlyUnaryInput = true;
+ // check propagation in a redefined GetUsedHypothesis()
const list <const SMESHDS_Hypothesis * > & hyps =
GetUsedHypothesis(aMesh, aShape, /*ignoreAuxiliaryHyps=*/false);
string hypName = theHyp->GetName();
- if (hypName == "LocalLength")
+ if ( !_mainEdge.IsNull() && _hypType == DISTRIB_PROPAGATION )
+ {
+ aStatus = SMESH_Hypothesis::HYP_OK;
+ }
+ else if ( hypName == "LocalLength" )
{
const StdMeshers_LocalLength * hyp =
dynamic_cast <const StdMeshers_LocalLength * >(theHyp);
ASSERT(hyp);
_value[ BEG_LENGTH_IND ] = hyp->GetLength();
- _value[ PRECISION_IND ] = hyp->GetPrecision();
+ _value[ PRECISION_IND ] = hyp->GetPrecision();
ASSERT( _value[ BEG_LENGTH_IND ] > 0 );
_hypType = LOCAL_LENGTH;
aStatus = SMESH_Hypothesis::HYP_OK;
}
- else if (hypName == "MaxLength")
+ else if ( hypName == "MaxLength" )
{
const StdMeshers_MaxLength * hyp =
dynamic_cast <const StdMeshers_MaxLength * >(theHyp);
aStatus = SMESH_Hypothesis::HYP_OK;
}
- else if (hypName == "NumberOfSegments")
+ else if ( hypName == "NumberOfSegments" )
{
const StdMeshers_NumberOfSegments * hyp =
dynamic_cast <const StdMeshers_NumberOfSegments * >(theHyp);
aStatus = SMESH_Hypothesis::HYP_OK;
}
- else if (hypName == "Arithmetic1D")
+ else if ( hypName == "Arithmetic1D" )
{
const StdMeshers_Arithmetic1D * hyp =
dynamic_cast <const StdMeshers_Arithmetic1D * >(theHyp);
aStatus = SMESH_Hypothesis::HYP_OK;
}
- else if (hypName == "GeometricProgression")
+ else if ( hypName == "GeometricProgression" )
{
const StdMeshers_Geometric1D * hyp =
dynamic_cast <const StdMeshers_Geometric1D * >(theHyp);
aStatus = SMESH_Hypothesis::HYP_OK;
}
- else if (hypName == "FixedPoints1D") {
+ else if ( hypName == "FixedPoints1D" ) {
_fpHyp = dynamic_cast <const StdMeshers_FixedPoints1D*>(theHyp);
ASSERT(_fpHyp);
_hypType = FIXED_POINTS_1D;
aStatus = SMESH_Hypothesis::HYP_OK;
}
- else if (hypName == "StartEndLength")
+ else if ( hypName == "StartEndLength" )
{
const StdMeshers_StartEndLength * hyp =
dynamic_cast <const StdMeshers_StartEndLength * >(theHyp);
aStatus = SMESH_Hypothesis::HYP_OK;
}
- else if (hypName == "Deflection1D")
+ else if ( hypName == "Deflection1D" )
{
const StdMeshers_Deflection1D * hyp =
dynamic_cast <const StdMeshers_Deflection1D * >(theHyp);
aStatus = SMESH_Hypothesis::HYP_OK;
}
- else if (hypName == "AutomaticLength")
+ else if ( hypName == "AutomaticLength" )
{
StdMeshers_AutomaticLength * hyp = const_cast<StdMeshers_AutomaticLength *>
(dynamic_cast <const StdMeshers_AutomaticLength * >(theHyp));
_hypType = MAX_LENGTH;
aStatus = SMESH_Hypothesis::HYP_OK;
}
- else if (hypName == "Adaptive1D")
+ else if ( hypName == "Adaptive1D" )
{
_adaptiveHyp = dynamic_cast < const StdMeshers_Adaptive1D* >(theHyp);
ASSERT(_adaptiveHyp);
return ( aStatus == SMESH_Hypothesis::HYP_OK );
}
-static bool computeParamByFunc(Adaptor3d_Curve& C3d, double first, double last,
- double length, bool theReverse,
- int nbSeg, Function& func,
+static bool computeParamByFunc(Adaptor3d_Curve& C3d,
+ double first, double last, double length,
+ bool theReverse, int nbSeg, Function& func,
list<double>& theParams)
{
// never do this way
//OSD::SetSignal( true );
- if (nbSeg <= 0)
+ if ( nbSeg <= 0 )
return false;
- MESSAGE( "computeParamByFunc" );
-
int nbPnt = 1 + nbSeg;
- vector<double> x(nbPnt, 0.);
-
- if (!buildDistribution(func, 0.0, 1.0, nbSeg, x, 1E-4))
- return false;
+ vector<double> x( nbPnt, 0. );
- MESSAGE( "Points:\n" );
- char buf[1024];
- for ( int i=0; i<=nbSeg; i++ )
- {
- sprintf( buf, "%f\n", float(x[i] ) );
- MESSAGE( buf );
- }
+ const double eps = Min( 1E-4, 1./nbSeg/100. );
+ if ( !buildDistribution( func, 0.0, 1.0, nbSeg, x, eps ))
+ return false;
// apply parameters in range [0,1] to the space of the curve
double prevU = first;
- double sign = 1.;
- if (theReverse)
+ double sign = 1.;
+ if ( theReverse )
{
prevU = last;
- sign = -1.;
+ sign = -1.;
}
- for( int i = 1; i < nbSeg; i++ )
+
+ for ( int i = 1; i < nbSeg; i++ )
{
double curvLength = length * (x[i] - x[i-1]) * sign;
- GCPnts_AbscissaPoint Discret( C3d, curvLength, prevU );
+ double tol = Min( Precision::Confusion(), curvLength / 100. );
+ GCPnts_AbscissaPoint Discret( tol, C3d, curvLength, prevU );
if ( !Discret.IsDone() )
return false;
double U = Discret.Parameter();
}
if ( theReverse )
theParams.reverse();
+
return true;
}
//================================================================================
/*!
* \brief adjust internal node parameters so that the last segment length == an
- * \param a1 - the first segment length
- * \param an - the last segment length
- * \param U1 - the first edge parameter
- * \param Un - the last edge parameter
- * \param length - the edge length
- * \param C3d - the edge curve
- * \param theParams - internal node parameters to adjust
- * \param adjustNeighbors2an - to adjust length of segments next to the last one
- * and not to remove parameters
+ * \param a1 - the first segment length
+ * \param an - the last segment length
+ * \param U1 - the first edge parameter
+ * \param Un - the last edge parameter
+ * \param length - the edge length
+ * \param C3d - the edge curve
+ * \param theParams - internal node parameters to adjust
+ * \param adjustNeighbors2an - to adjust length of segments next to the last one
+ * and not to remove parameters
*/
//================================================================================
if ( a1 + an <= length && nPar > 1 )
{
bool reverse = ( U1 > Un );
- GCPnts_AbscissaPoint Discret(C3d, reverse ? an : -an, Un);
+ double tol = Min( Precision::Confusion(), 0.01 * an );
+ GCPnts_AbscissaPoint Discret( tol, C3d, reverse ? an : -an, Un );
if ( !Discret.IsDone() )
return;
double Utgt = Discret.Parameter(); // target value of the last parameter
list<double>::reverse_iterator itU = theParams.rbegin();
double Ul = *itU++; // real value of the last parameter
double dUn = Utgt - Ul; // parametric error of <an>
- if ( Abs(dUn) <= Precision::Confusion() )
- return;
double dU = Abs( Ul - *itU ); // parametric length of the last but one segment
+ if ( Abs(dUn) <= 1e-3 * dU )
+ return;
if ( adjustNeighbors2an || Abs(dUn) < 0.5 * dU ) { // last segment is a bit shorter than it should
// move the last parameter to the edge beginning
}
// * \brief Clean mesh on edges
// * \param event - algo_event or compute_event itself (of SMESH_subMesh)
// * \param eventType - ALGO_EVENT or COMPUTE_EVENT (of SMESH_subMesh)
-// * \param subMesh - the submesh where the event occures
+// * \param subMesh - the submesh where the event occurs
// */
// void ProcessEvent(const int event, const int eventType, SMESH_subMesh* subMesh,
// EventListenerData*, const SMESH_Hypothesis*)
{
if ( !isEnd1 )
vertexLength = -vertexLength;
- GCPnts_AbscissaPoint Discret(theC3d, vertexLength, l);
+ double tol = Min( Precision::Confusion(), 0.01 * vertexLength );
+ GCPnts_AbscissaPoint Discret( tol, theC3d, vertexLength, l );
if ( Discret.IsDone() ) {
if ( nPar == 0 )
theParameters.push_back( Discret.Parameter());
double L = GCPnts_AbscissaPoint::Length( theC3d, *itU, l);
static StdMeshers_Regular_1D* auxAlgo = 0;
if ( !auxAlgo ) {
- auxAlgo = new StdMeshers_Regular_1D( _gen->GetANewId(), _studyId, _gen );
+ auxAlgo = new StdMeshers_Regular_1D( _gen->GetANewId(), _gen );
auxAlgo->_hypType = BEG_END_LENGTH;
}
auxAlgo->_value[ BEG_LENGTH_IND ] = Lm;
// Propagation Of Distribution
//
- if ( !_mainEdge.IsNull() && _isPropagOfDistribution )
+ if ( !_mainEdge.IsNull() && _hypType == DISTRIB_PROPAGATION )
{
TopoDS_Edge mainEdge = TopoDS::Edge( _mainEdge ); // should not be a reference!
- _gen->Compute( theMesh, mainEdge, /*aShapeOnly=*/true, /*anUpward=*/true);
+ _gen->Compute( theMesh, mainEdge, SMESH_Gen::SHAPE_ONLY_UPWARD );
SMESHDS_SubMesh* smDS = theMesh.GetMeshDS()->MeshElements( mainEdge );
if ( !smDS )
if ( smDS->NbNodes() < 1 )
return true; // 1 segment
- vector< double > mainEdgeParams;
- if ( ! SMESH_Algo::GetNodeParamOnEdge( theMesh.GetMeshDS(), mainEdge, mainEdgeParams ))
+ map< double, const SMDS_MeshNode* > mainEdgeParamsOfNodes;
+ if ( ! SMESH_Algo::GetSortedNodesOnEdge( theMesh.GetMeshDS(), mainEdge, _quadraticMesh,
+ mainEdgeParamsOfNodes, SMDSAbs_Edge ))
return error("Bad node parameters on the source edge of Propagation Of Distribution");
-
- vector< double > segLen( mainEdgeParams.size() - 1 );
+ vector< double > segLen( mainEdgeParamsOfNodes.size() - 1 );
double totalLen = 0;
BRepAdaptor_Curve mainEdgeCurve( mainEdge );
- for ( size_t i = 1; i < mainEdgeParams.size(); ++i )
+ map< double, const SMDS_MeshNode* >::iterator
+ u_n2 = mainEdgeParamsOfNodes.begin(), u_n1 = u_n2++;
+ for ( size_t i = 1; i < mainEdgeParamsOfNodes.size(); ++i, ++u_n1, ++u_n2 )
{
segLen[ i-1 ] = GCPnts_AbscissaPoint::Length( mainEdgeCurve,
- mainEdgeParams[i-1],
- mainEdgeParams[i]);
+ u_n1->first,
+ u_n2->first);
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;
+ size_t iSeg = theReverse ? segLen.size()-1 : 0;
+ size_t dSeg = theReverse ? -1 : +1;
double param = theFirstU;
- int nbParams = 0;
+ size_t nbParams = 0;
for ( int i = 0, nb = segLen.size()-1; i < nb; ++i, iSeg += dSeg )
{
- GCPnts_AbscissaPoint Discret( theC3d, segLen[ iSeg ], param );
+ double tol = Min( Precision::Confusion(), 0.01 * segLen[ iSeg ]);
+ GCPnts_AbscissaPoint Discret( tol, 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");
+ return error( SMESH_Comment("Can't divide into ") << segLen.size() << " segments");
compensateError( segLen[ theReverse ? segLen.size()-1 : 0 ],
segLen[ theReverse ? 0 : segLen.size()-1 ],
{
case LOCAL_LENGTH:
case MAX_LENGTH:
- case NB_SEGMENTS: {
-
+ 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;
+ nbseg = 1; // degenerated edge
+ eltSize = theLength / nbseg * ( 1. - 1e-9 );
nbSegments = (int) nbseg;
}
else if ( _hypType == LOCAL_LENGTH )
}
if (computed) {
SMESHDS_SubMesh* smds = sm->GetSubMeshDS();
- int nb_segments = smds->NbElements();
+ int nb_segments = smds->NbElements();
if (nbseg - 1 <= nb_segments && nb_segments <= nbseg + 1) {
isFound = true;
nbseg = nb_segments;
if ( theReverse )
scale = 1.0 / scale;
- double alpha = pow(scale, 1.0 / (nbSegments - 1));
+ double alpha = pow(scale, 1.0 / (nbSegments - 1));
double factor = (l - f) / (1.0 - pow(alpha, nbSegments));
for (int i = 1; i < nbSegments; i++) {
}
}
const double lenFactor = theLength/(l-f);
+ const double minSegLen = Min( theParams.front() - f, l - theParams.back() );
+ const double tol = Min( Precision::Confusion(), 0.01 * minSegLen );
list<double>::iterator u = theParams.begin(), uEnd = theParams.end();
for ( ; u != uEnd; ++u )
{
- GCPnts_AbscissaPoint Discret( theC3d, ((*u)-f) * lenFactor, f );
+ GCPnts_AbscissaPoint Discret( tol, theC3d, ((*u)-f) * lenFactor, f );
if ( Discret.IsDone() )
*u = Discret.Parameter();
}
return false;
}
}
- GCPnts_UniformAbscissa Discret(theC3d, eltSize, f, l);
+
+ double tol = Min( Precision::Confusion(), 0.01 * eltSize );
+ GCPnts_UniformAbscissa Discret(theC3d, nbSegments + 1, f, l, tol );
if ( !Discret.IsDone() )
return error( "GCPnts_UniformAbscissa failed");
+ if ( Discret.NbPoints() < nbSegments + 1 )
+ Discret.Initialize(theC3d, nbSegments + 2, f, l, tol );
int NbPoints = Min( Discret.NbPoints(), nbSegments + 1 );
for ( int i = 2; i < NbPoints; i++ ) // skip 1st and last points
return true;
}
+
case BEG_END_LENGTH: {
// geometric progression: SUM(n) = ( a1 - an * q ) / ( 1 - q ) = theLength
return error ( SMESH_Comment("Invalid segment lengths (")<<a1<<" and "<<an<<") "<<
"for an edge of length "<<theLength);
- double U1 = theReverse ? l : f;
- double Un = theReverse ? f : l;
- double param = U1;
+ double U1 = theReverse ? l : f;
+ double Un = theReverse ? f : l;
+ double param = U1;
double eltSize = theReverse ? -a1 : a1;
+ double tol = Min( Precision::Confusion(), 0.01 * Min( a1, an ));
while ( 1 ) {
// computes a point on a curve <theC3d> at the distance <eltSize>
// from the point of parameter <param>.
- GCPnts_AbscissaPoint Discret( theC3d, eltSize, param );
+ GCPnts_AbscissaPoint Discret( tol, theC3d, eltSize, param );
if ( !Discret.IsDone() ) break;
param = Discret.Parameter();
if ( f < param && param < l )
return true;
}
- case ARITHMETIC_1D: {
-
+ case ARITHMETIC_1D:
+ {
// arithmetic progression: SUM(n) = ( an - a1 + q ) * ( a1 + an ) / ( 2 * q ) = theLength
double a1 = _value[ BEG_LENGTH_IND ];
double an = _value[ END_LENGTH_IND ];
- if ( 1.01*theLength < a1 + an)
+ if ( 1.01*theLength < a1 + an )
return error ( SMESH_Comment("Invalid segment lengths (")<<a1<<" and "<<an<<") "<<
"for an edge of length "<<theLength);
- double q = ( an - a1 ) / ( 2 *theLength/( a1 + an ) - 1 );
- int n = int(fabs(q) > numeric_limits<double>::min() ? ( 1+( an-a1 )/q ) : ( 1+theLength/a1 ));
+ double q = ( an - a1 ) / ( 2 *theLength/( a1 + an ) - 1 );
+ int n = int(fabs(q) > numeric_limits<double>::min() ? ( 1+( an-a1 )/q ) : ( 1+theLength/a1 ));
- double U1 = theReverse ? l : f;
- double Un = theReverse ? f : l;
- double param = U1;
+ double U1 = theReverse ? l : f;
+ double Un = theReverse ? f : l;
+ double param = U1;
double eltSize = a1;
+ double tol = Min( Precision::Confusion(), 0.01 * Min( a1, an ));
if ( theReverse ) {
eltSize = -eltSize;
q = -q;
while ( n-- > 0 && eltSize * ( Un - U1 ) > 0 ) {
// computes a point on a curve <theC3d> at the distance <eltSize>
// from the point of parameter <param>.
- GCPnts_AbscissaPoint Discret( theC3d, eltSize, param );
+ GCPnts_AbscissaPoint Discret( tol, theC3d, eltSize, param );
if ( !Discret.IsDone() ) break;
param = Discret.Parameter();
if ( param > f && param < l )
eltSize += q;
}
compensateError( a1, an, U1, Un, theLength, theC3d, theParams );
- if (theReverse) theParams.reverse(); // NPAL18025
+ if ( theReverse ) theParams.reverse(); // NPAL18025
return true;
}
- case GEOMETRIC_1D: {
-
- double a1 = _value[ BEG_LENGTH_IND ], an;
+ case GEOMETRIC_1D:
+ {
+ double a1 = _value[ BEG_LENGTH_IND ], an = 0;
double q = _value[ END_LENGTH_IND ];
double U1 = theReverse ? l : f;
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 );
+ double tol = Min( Precision::Confusion(), 0.01 * eltSize );
+ GCPnts_AbscissaPoint Discret( tol, theC3d, eltSize, param );
if ( !Discret.IsDone() ) break;
param = Discret.Parameter();
if ( f < param && param < l )
an = eltSize;
eltSize *= q;
++nbParams;
+ if ( q < 1. && eltSize < 1e-100 )
+ return error("Too small common ratio causes too many segments");
}
if ( nbParams > 1 )
{
if ( Abs( param - Un ) < 0.2 * Abs( param - theParams.back() ))
{
- compensateError( a1, eltSize, U1, Un, theLength, theC3d, theParams );
+ compensateError( a1, Abs(eltSize), U1, Un, theLength, theC3d, theParams );
}
else if ( Abs( Un - theParams.back() ) <
- 0.2 * Abs( theParams.back() - *(--theParams.rbegin())))
+ 0.2 * Abs( theParams.back() - *(++theParams.rbegin())))
{
theParams.pop_back();
- compensateError( a1, an, U1, Un, theLength, theC3d, theParams );
+ compensateError( a1, Abs(an), U1, Un, theLength, theC3d, theParams );
}
}
if (theReverse) theParams.reverse(); // NPAL18025
return true;
}
- case FIXED_POINTS_1D: {
+ case FIXED_POINTS_1D:
+ {
const std::vector<double>& aPnts = _fpHyp->GetPoints();
- const std::vector<int>& nbsegs = _fpHyp->GetNbSegments();
- int i = 0;
+ std::vector<int> nbsegs = _fpHyp->GetNbSegments();
+
+ // sort normalized params, taking into account theReverse
TColStd_SequenceOfReal Params;
- for(; i<aPnts.size(); i++) {
- if( aPnts[i]<0.0001 || aPnts[i]>0.9999 ) continue;
- int j=1;
+ double tol = 1e-7 / theLength; // GCPnts_UniformAbscissa allows u2-u1 > 1e-7
+ for ( size_t i = 0; i < aPnts.size(); i++ )
+ {
+ if( aPnts[i] < tol || aPnts[i] > 1 - tol )
+ continue;
+ double u = theReverse ? ( 1 - aPnts[i] ) : aPnts[i];
+ int j = 1;
bool IsExist = false;
- for(; j<=Params.Length(); j++) {
- if( fabs(aPnts[i]-Params.Value(j)) < 1e-4 ) {
+ for ( ; j <= Params.Length(); j++ ) {
+ if ( Abs( u - Params.Value(j) ) < tol ) {
IsExist = true;
break;
}
- if( aPnts[i]<Params.Value(j) ) break;
+ if ( u < Params.Value(j) ) break;
}
- if(!IsExist) Params.InsertBefore(j,aPnts[i]);
- }
- double par2, par1, lp;
- par1 = f;
- lp = l;
- double sign = 1.0;
- if(theReverse) {
- par1 = l;
- lp = f;
- sign = -1.0;
+ if ( !IsExist ) Params.InsertBefore( j, u );
}
- double eltSize, segmentSize = 0.;
- double currAbscissa = 0;
- for(i=0; i<Params.Length(); i++) {
- int nbseg = ( i > nbsegs.size()-1 ) ? nbsegs[0] : nbsegs[i];
- segmentSize = Params.Value(i+1)*theLength - currAbscissa;
- currAbscissa += segmentSize;
- GCPnts_AbscissaPoint APnt(theC3d, sign*segmentSize, par1);
- if( !APnt.IsDone() )
- return error( "GCPnts_AbscissaPoint failed");
- par2 = APnt.Parameter();
- eltSize = segmentSize/nbseg;
- GCPnts_UniformAbscissa Discret(theC3d, eltSize, par1, par2);
- if(theReverse)
- Discret.Initialize(theC3d, eltSize, par2, par1);
- else
- Discret.Initialize(theC3d, eltSize, par1, par2);
- if ( !Discret.IsDone() )
- return error( "GCPnts_UniformAbscissa failed");
- int NbPoints = Discret.NbPoints();
- list<double> tmpParams;
- for(int i=2; i<NbPoints; i++) {
- double param = Discret.Parameter(i);
- tmpParams.push_back( param );
- }
- if (theReverse) {
- compensateError( eltSize, eltSize, par2, par1, segmentSize, theC3d, tmpParams );
- tmpParams.reverse();
- }
- else {
- compensateError( eltSize, eltSize, par1, par2, segmentSize, theC3d, tmpParams );
- }
- list<double>::iterator itP = tmpParams.begin();
- for(; itP != tmpParams.end(); itP++) {
- theParams.push_back( *(itP) );
- }
- theParams.push_back( par2 );
- par1 = par2;
- }
- // add for last
- int nbseg = ( nbsegs.size() > Params.Length() ) ? nbsegs[Params.Length()] : nbsegs[0];
- segmentSize = theLength - currAbscissa;
- eltSize = segmentSize/nbseg;
- GCPnts_UniformAbscissa Discret;
- if(theReverse)
- Discret.Initialize(theC3d, eltSize, par1, lp);
- else
- Discret.Initialize(theC3d, eltSize, lp, par1);
- if ( !Discret.IsDone() )
- return error( "GCPnts_UniformAbscissa failed");
- int NbPoints = Discret.NbPoints();
- list<double> tmpParams;
- for(int i=2; i<NbPoints; i++) {
- double param = Discret.Parameter(i);
- tmpParams.push_back( param );
+ // transform normalized Params into real ones
+ std::vector< double > uVec( Params.Length() + 2 );
+ uVec[ 0 ] = theFirstU;
+ double abscissa;
+ for ( int i = 1; i <= Params.Length(); i++ )
+ {
+ abscissa = Params( i ) * theLength;
+ tol = Min( Precision::Confusion(), 0.01 * abscissa );
+ GCPnts_AbscissaPoint APnt( tol, theC3d, abscissa, theFirstU );
+ if ( !APnt.IsDone() )
+ return error( "GCPnts_AbscissaPoint failed");
+ uVec[ i ] = APnt.Parameter();
}
- if (theReverse) {
- compensateError( eltSize, eltSize, lp, par1, segmentSize, theC3d, tmpParams );
- tmpParams.reverse();
+ uVec.back() = theLastU;
+
+ // divide segments
+ if ( theReverse )
+ {
+ if ((int) nbsegs.size() > Params.Length() + 1 )
+ nbsegs.resize( Params.Length() + 1 );
+ std::reverse( nbsegs.begin(), nbsegs.end() );
}
- else {
- compensateError( eltSize, eltSize, par1, lp, segmentSize, theC3d, tmpParams );
+ if ( nbsegs.empty() )
+ {
+ nbsegs.push_back( 1 );
}
- list<double>::iterator itP = tmpParams.begin();
- for(; itP != tmpParams.end(); itP++) {
- theParams.push_back( *(itP) );
+ Params.InsertBefore( 1, 0.0 );
+ Params.Append( 1.0 );
+ double eltSize, segmentSize, par1, par2;
+ for ( size_t i = 0; i < uVec.size()-1; i++ )
+ {
+ par1 = uVec[ i ];
+ par2 = uVec[ i+1 ];
+ int nbseg = ( i < nbsegs.size() ) ? nbsegs[i] : nbsegs[0];
+ if ( nbseg == 1 )
+ {
+ theParams.push_back( par2 );
+ }
+ else
+ {
+ segmentSize = ( Params( i+2 ) - Params( i+1 )) * theLength;
+ eltSize = segmentSize / nbseg;
+ tol = Min( Precision::Confusion(), 0.01 * eltSize );
+ GCPnts_UniformAbscissa Discret( theC3d, eltSize, par1, par2, tol );
+ if ( !Discret.IsDone() )
+ return error( "GCPnts_UniformAbscissa failed");
+ if ( Discret.NbPoints() < nbseg + 1 ) {
+ eltSize = segmentSize / ( nbseg + 0.5 );
+ Discret.Initialize( theC3d, eltSize, par1, par2, tol );
+ }
+ int NbPoints = Discret.NbPoints();
+ for ( int i = 2; i <= NbPoints; i++ ) {
+ double param = Discret.Parameter(i);
+ theParams.push_back( param );
+ }
+ }
}
+ theParams.pop_back();
- if (theReverse) {
- theParams.reverse(); // NPAL18025
- }
return true;
}
- case DEFLECTION: {
-
- GCPnts_UniformDeflection Discret(theC3d, _value[ DEFLECTION_IND ], f, l, true);
+ case DEFLECTION:
+ {
+ GCPnts_UniformDeflection Discret( theC3d, _value[ DEFLECTION_IND ], f, l, true );
if ( !Discret.IsDone() )
return false;
ASSERT(!VFirst.IsNull());
ASSERT(!VLast.IsNull());
- const SMDS_MeshNode * idFirst = SMESH_Algo::VertexNode( VFirst, meshDS );
- const SMDS_MeshNode * idLast = SMESH_Algo::VertexNode( VLast, meshDS );
- if (!idFirst || !idLast)
+ const SMDS_MeshNode * nFirst = SMESH_Algo::VertexNode( VFirst, meshDS );
+ const SMDS_MeshNode * nLast = SMESH_Algo::VertexNode( VLast, meshDS );
+ if ( !nFirst || !nLast )
return error( COMPERR_BAD_INPUT_MESH, "No node on vertex");
- // remove elements created by e.g. patern mapping (PAL21999)
+ // remove elements created by e.g. pattern mapping (PAL21999)
// CLEAN event is incorrectly ptopagated seemingly due to Propagation hyp
// so TEMPORARY solution is to clean the submesh manually
- //theMesh.GetSubMesh(theShape)->ComputeStateEngine( SMESH_subMesh::CLEAN );
if (SMESHDS_SubMesh * subMeshDS = meshDS->MeshElements(theShape))
{
SMDS_ElemIteratorPtr ite = subMeshDS->GetElements();
}
}
- if (!Curve.IsNull())
+ double length = EdgeLength( E );
+ if ( !Curve.IsNull() && length > 0 )
{
list< double > params;
bool reversed = false;
- if ( theMesh.GetShapeToMesh().ShapeType() >= TopAbs_WIRE ) {
+ if ( theMesh.GetShapeToMesh().ShapeType() >= TopAbs_WIRE && _revEdgesIDs.empty() ) {
// if the shape to mesh is WIRE or EDGE
reversed = ( EE.Orientation() == TopAbs_REVERSED );
}
if ( !_mainEdge.IsNull() ) {
// take into account reversing the edge the hypothesis is propagated from
+ // (_mainEdge.Orientation() marks mutual orientation of EDGEs in propagation chain)
reversed = ( _mainEdge.Orientation() == TopAbs_REVERSED );
- int mainID = meshDS->ShapeToIndex(_mainEdge);
- if ( std::find( _revEdgesIDs.begin(), _revEdgesIDs.end(), mainID) != _revEdgesIDs.end())
- reversed = !reversed;
+ if ( _hypType != DISTRIB_PROPAGATION ) {
+ int mainID = meshDS->ShapeToIndex(_mainEdge);
+ if ( std::find( _revEdgesIDs.begin(), _revEdgesIDs.end(), mainID) != _revEdgesIDs.end())
+ reversed = !reversed;
+ }
}
// take into account this edge reversing
if ( std::find( _revEdgesIDs.begin(), _revEdgesIDs.end(), shapeID) != _revEdgesIDs.end())
reversed = !reversed;
BRepAdaptor_Curve C3d( E );
- double length = EdgeLength( E );
if ( ! computeInternalParameters( theMesh, C3d, length, f, l, params, reversed, true )) {
return false;
}
// edge extrema (indexes : 1 & NbPoints) already in SMDS (TopoDS_Vertex)
// only internal nodes receive an edge position with param on curve
- const SMDS_MeshNode * idPrev = idFirst;
+ const SMDS_MeshNode * nPrev = nFirst;
double parPrev = f;
double parLast = l;
- /* NPAL18025
- if (reversed) {
- idPrev = idLast;
- idLast = idFirst;
- idFirst = idPrev;
- parPrev = l;
- parLast = f;
- }
- */
for (list<double>::iterator itU = params.begin(); itU != params.end(); itU++) {
double param = *itU;
gp_Pnt P = Curve->Value(param);
if(_quadraticMesh) {
// create medium node
double prm = ( parPrev + param )/2;
- gp_Pnt PM = Curve->Value(prm);
+ 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);
+ SMDS_MeshEdge * edge = meshDS->AddEdge(nPrev, node, NM);
meshDS->SetMeshElementOnShape(edge, shapeID);
}
else {
- SMDS_MeshEdge * edge = meshDS->AddEdge(idPrev, node);
+ SMDS_MeshEdge * edge = meshDS->AddEdge(nPrev, node);
meshDS->SetMeshElementOnShape(edge, shapeID);
}
- idPrev = node;
+ nPrev = node;
parPrev = param;
}
if(_quadraticMesh) {
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);
+ SMDS_MeshEdge * edge = meshDS->AddEdge(nPrev, nLast, NM);
meshDS->SetMeshElementOnShape(edge, shapeID);
}
else {
- SMDS_MeshEdge* edge = meshDS->AddEdge(idPrev, idLast);
+ SMDS_MeshEdge* edge = meshDS->AddEdge(nPrev, nLast);
meshDS->SetMeshElementOnShape(edge, shapeID);
}
}
else
{
- //MESSAGE("************* Degenerated edge! *****************");
-
// Edge is a degenerated Edge : We put n = 5 points on the edge.
const int NbPoints = 5;
BRep_Tool::Range( E, f, l ); // PAL15185
gp_Pnt P = BRep_Tool::Pnt(VFirst);
- const SMDS_MeshNode * idPrev = idFirst;
+ const SMDS_MeshNode * nPrev = nFirst;
for (int i = 2; i < NbPoints; i++) {
double param = f + (i - 1) * du;
SMDS_MeshNode * node = meshDS->AddNode(P.X(), P.Y(), P.Z());
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);
+ SMDS_MeshEdge * edge = meshDS->AddEdge(nPrev, node, NM);
meshDS->SetMeshElementOnShape(edge, shapeID);
}
else {
- SMDS_MeshEdge * edge = meshDS->AddEdge(idPrev, node);
+ SMDS_MeshEdge * edge = meshDS->AddEdge(nPrev, node);
meshDS->SetMeshElementOnShape(edge, shapeID);
}
meshDS->SetNodeOnEdge(node, shapeID, param);
- idPrev = node;
+ nPrev = node;
}
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);
+ SMDS_MeshEdge * edge = meshDS->AddEdge(nPrev, nLast, NM);
meshDS->SetMeshElementOnShape(edge, shapeID);
}
else {
- SMDS_MeshEdge * edge = meshDS->AddEdge(idPrev, idLast);
+ SMDS_MeshEdge * edge = meshDS->AddEdge(nPrev, nLast);
meshDS->SetMeshElementOnShape(edge, shapeID);
}
}
*/
//=============================================================================
-bool StdMeshers_Regular_1D::Evaluate(SMESH_Mesh & theMesh,
+bool StdMeshers_Regular_1D::Evaluate(SMESH_Mesh & theMesh,
const TopoDS_Shape & theShape,
- MapShapeNbElems& aResMap)
+ MapShapeNbElems& theResMap)
{
if ( _hypType == NONE )
return false;
if ( _hypType == ADAPTIVE )
{
_adaptiveHyp->GetAlgo()->InitComputeError();
- _adaptiveHyp->GetAlgo()->Evaluate( theMesh, theShape, aResMap );
+ _adaptiveHyp->GetAlgo()->Evaluate( theMesh, theShape, theResMap );
return error( _adaptiveHyp->GetAlgo()->GetComputeError() );
}
std::vector<int> aVec(SMDSEntity_Last,0);
- if (!Curve.IsNull()) {
+ double length = EdgeLength( E );
+ if ( !Curve.IsNull() && length > 0 )
+ {
list< double > params;
-
BRepAdaptor_Curve C3d( E );
- double length = EdgeLength( E );
if ( ! computeInternalParameters( theMesh, C3d, length, f, l, params, false, true )) {
SMESH_subMesh * sm = theMesh.GetSubMesh(theShape);
- aResMap.insert(std::make_pair(sm,aVec));
+ theResMap.insert(std::make_pair(sm,aVec));
SMESH_ComputeErrorPtr& smError = sm->GetComputeError();
smError.reset( new SMESH_ComputeError(COMPERR_ALGO_FAILED,"Submesh can not be evaluated",this));
return false;
redistributeNearVertices( theMesh, C3d, length, params, VFirst, VLast );
if(_quadraticMesh) {
- aVec[SMDSEntity_Node] = 2*params.size() + 1;
+ aVec[SMDSEntity_Node ] = 2*params.size() + 1;
aVec[SMDSEntity_Quad_Edge] = params.size() + 1;
}
else {
aVec[SMDSEntity_Node] = params.size();
aVec[SMDSEntity_Edge] = params.size() + 1;
}
-
+
}
else {
- //MESSAGE("************* Degenerated edge! *****************");
// Edge is a degenerated Edge : We put n = 5 points on the edge.
- if(_quadraticMesh) {
- aVec[SMDSEntity_Node] = 11;
+ if ( _quadraticMesh ) {
+ aVec[SMDSEntity_Node ] = 11;
aVec[SMDSEntity_Quad_Edge] = 6;
}
else {
}
}
- SMESH_subMesh * sm = theMesh.GetSubMesh(theShape);
- aResMap.insert(std::make_pair(sm,aVec));
+ SMESH_subMesh * sm = theMesh.GetSubMesh( theShape );
+ theResMap.insert( std::make_pair( sm, aVec ));
return true;
}
if (nbHyp == 0 && aShape.ShapeType() == TopAbs_EDGE)
{
// Check, if propagated from some other edge
+ bool isPropagOfDistribution = false;
_mainEdge = StdMeshers_Propagation::GetPropagationSource( aMesh, aShape,
- _isPropagOfDistribution );
+ isPropagOfDistribution );
if ( !_mainEdge.IsNull() )
{
+ if ( isPropagOfDistribution )
+ _hypType = DISTRIB_PROPAGATION;
// Propagation of 1D hypothesis from <aMainEdge> on this edge;
// get non-auxiliary assigned to _mainEdge
nbHyp = aMesh.GetHypotheses( _mainEdge, *compatibleFilter, _usedHypList, true );