-// Copyright (C) 2007-2008 CEA/DEN, EDF R&D, OPEN CASCADE
+// Copyright (C) 2007-2012 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
+// 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.
+// 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.
+// 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
+// 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
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
//
-// SMESH SMESH : implementaion of SMESH idl descriptions
+
// File : StdMeshers_Regular_1D.cxx
// Moved here from SMESH_Regular_1D.cxx
// Author : Paul RASCLE, EDF
// Module : SMESH
-
+//
#include "StdMeshers_Regular_1D.hxx"
#include "StdMeshers_Distribution.hxx"
#include <TopExp_Explorer.hxx>
#include <TopoDS.hxx>
#include <TopoDS_Edge.hxx>
+#include <TopoDS_Vertex.hxx>
#include <string>
+#include <limits>
using namespace std;
_hypType = NONE;
_quadraticMesh = false;
- const bool ignoreAuxiliaryHyps = false;
const list <const SMESHDS_Hypothesis * > & hyps =
- GetUsedHypothesis(aMesh, aShape, ignoreAuxiliaryHyps);
+ GetUsedHypothesis(aMesh, aShape, /*ignoreAuxiliaryHyps=*/false);
// find non-auxiliary hypothesis
const SMESHDS_Hypothesis *theHyp = 0;
return false;
prevU = U;
}
+ if ( theReverse )
+ theParams.reverse();
return true;
}
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 ) {
- for ( itU = theParams.rbegin(), i = 1; i < nPar; itU++, i++ ) {
+ if ( !adjustNeighbors2an )
+ {
+ 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;
+ 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();
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 )
{
bool computed = sm->IsMeshComputed();
if (!computed) {
if (sm->GetComputeState() == SMESH_subMesh::READY_TO_COMPUTE) {
- sm->ComputeStateEngine(SMESH_subMesh::COMPUTE);
+ _gen->Compute( theMesh, _mainEdge, /*anUpward=*/true);
computed = sm->IsMeshComputed();
}
}
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 );
}
}
+ const double lenFactor = theLength/(l-f);
+ list<double>::iterator u = theParams.begin(), uEnd = theParams.end();
+ for ( ; u != uEnd; ++u )
+ {
+ GCPnts_AbscissaPoint Discret( theC3d, ((*u)-f) * lenFactor, f );
+ if ( Discret.IsDone() )
+ *u = Discret.Parameter();
+ }
return true;
}
break;
}
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;
}
double a1 = _value[ BEG_LENGTH_IND ];
double an = _value[ END_LENGTH_IND ];
double q = ( theLength - a1 ) / ( theLength - an );
+ if ( q < theLength/1e6 || 1.01*theLength < a1 + an)
+ 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 a1 = _value[ BEG_LENGTH_IND ];
double an = _value[ END_LENGTH_IND ];
+ 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( 1 + ( an - a1 ) / q );
+ 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;
}
if(!IsExist) Params.InsertBefore(j,aPnts[i]);
}
- double pf, pl, par2, par1, psize;
- if (theReverse) {
- pf = l;
- pl = f;
- }
- else {
- pf = f;
- pl = l;
+ double par2, par1, lp;
+ par1 = f;
+ lp = l;
+ double sign = 1.0;
+ if(theReverse) {
+ par1 = l;
+ lp = f;
+ sign = -1.0;
}
- psize = pl - pf;
- par1 = pf;
- //cout<<"aPnts.size() = "<<aPnts.size()<<" Params.Length() = "
- // <<Params.Length()<<" nbsegs.size() = "<<nbsegs.size()<<endl;
+ double eltSize, segmentSize = 0.;
+ double currAbscissa = 0;
for(i=0; i<Params.Length(); i++) {
- par2 = pf + Params.Value(i+1)*psize;
int nbseg = ( i > nbsegs.size()-1 ) ? nbsegs[0] : nbsegs[i];
- double dp = (par2-par1)/nbseg;
- int j = 1;
- for(; j<=nbseg; j++) {
- double param = par1 + dp*j;
- theParams.push_back( param );
+ 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];
- double dp = (pl-par1)/nbseg;
- int j = 1;
- for(; j<nbseg; j++) {
- double param = par1 + dp*j;
- theParams.push_back( param );
+ 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 );
+ }
+ if (theReverse) {
+ compensateError( eltSize, eltSize, lp, par1, segmentSize, theC3d, tmpParams );
+ tmpParams.reverse();
+ }
+ else {
+ compensateError( eltSize, eltSize, par1, lp, segmentSize, theC3d, tmpParams );
+ }
+ list<double>::iterator itP = tmpParams.begin();
+ for(; itP != tmpParams.end(); itP++) {
+ theParams.push_back( *(itP) );
}
+
if (theReverse) {
theParams.reverse(); // NPAL18025
}
if (!idFirst || !idLast)
return error( COMPERR_BAD_INPUT_MESH, "No node on vertex");
+ // remove elements created by e.g. patern 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();
+ while (ite->more())
+ meshDS->RemoveFreeElement(ite->next(), subMeshDS);
+ SMDS_NodeIteratorPtr itn = subMeshDS->GetNodes();
+ while (itn->more()) {
+ const SMDS_MeshNode * node = itn->next();
+ if ( node->NbInverseElements() == 0 )
+ meshDS->RemoveFreeNode(node, subMeshDS);
+ else
+ meshDS->RemoveNode(node);
+ }
+ }
+
if (!Curve.IsNull())
{
list< double > params;
bool reversed = false;
if ( theMesh.GetShapeToMesh().ShapeType() >= TopAbs_WIRE ) {
+ // 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
reversed = ( _mainEdge.Orientation() == TopAbs_REVERSED );
+ int mainID = meshDS->ShapeToIndex(_mainEdge);
+ if ( std::find( _revEdgesIDs.begin(), _revEdgesIDs.end(), mainID) != _revEdgesIDs.end())
+ reversed = !reversed;
}
- else if ( _revEdgesIDs.size() > 0 ) {
- for ( int i = 0; i < _revEdgesIDs.size(); i++) {
- if ( _revEdgesIDs[i] == shapeID ) {
- 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 );
parLast = f;
}
*/
-
for (list<double>::iterator itU = params.begin(); itU != params.end(); itU++) {
double param = *itU;
gp_Pnt P = Curve->Value(param);
if ( _hypType == NONE )
return false;
- SMESHDS_Mesh * meshDS = theMesh.GetMeshDS();
+ //SMESHDS_Mesh * meshDS = theMesh.GetMeshDS();
const TopoDS_Edge & EE = TopoDS::Edge(theShape);
TopoDS_Edge E = TopoDS::Edge(EE.Oriented(TopAbs_FORWARD));
ASSERT(!VFirst.IsNull());
ASSERT(!VLast.IsNull());
- std::vector<int> aVec(SMDSEntity_Last);
- for(int i=SMDSEntity_Node; i<SMDSEntity_Last; i++) aVec[i] = 0;
+ std::vector<int> aVec(SMDSEntity_Last,0);
if (!Curve.IsNull()) {
list< double > params;
SMESH_HypoFilter auxiliaryFilter, compatibleFilter;
auxiliaryFilter.Init( SMESH_HypoFilter::IsAuxiliary() );
- const bool ignoreAux = true;
- InitCompatibleHypoFilter( compatibleFilter, ignoreAux );
+ InitCompatibleHypoFilter( compatibleFilter, /*ignoreAux=*/true );
- // get non-auxiliary assigned to aShape
+ // get non-auxiliary assigned directly to aShape
int nbHyp = aMesh.GetHypotheses( aShape, compatibleFilter, _usedHypList, false );
if (nbHyp == 0 && aShape.ShapeType() == TopAbs_EDGE)
