-// SMESH SMESH : implementaion of SMESH idl descriptions
+// Copyright (C) 2007-2011 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.
//
-// 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
+// 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
//
+
+// 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
-// $Header$
-
-using namespace std;
-
+//
#include "StdMeshers_Regular_1D.hxx"
-#include "SMESH_Gen.hxx"
-#include "SMESH_Mesh.hxx"
+#include "StdMeshers_Distribution.hxx"
+#include "StdMeshers_Arithmetic1D.hxx"
+#include "StdMeshers_AutomaticLength.hxx"
+#include "StdMeshers_Deflection1D.hxx"
#include "StdMeshers_LocalLength.hxx"
+#include "StdMeshers_MaxLength.hxx"
#include "StdMeshers_NumberOfSegments.hxx"
+#include "StdMeshers_Propagation.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 "SMDS_EdgePosition.hxx"
+#include "Utils_SALOME_Exception.hxx"
#include "utilities.h"
-#include <TopoDS_Edge.hxx>
-#include <TopoDS_Shape.hxx>
-#include <GeomAdaptor_Curve.hxx>
+#include <BRepAdaptor_Curve.hxx>
#include <BRep_Tool.hxx>
#include <GCPnts_AbscissaPoint.hxx>
#include <GCPnts_UniformAbscissa.hxx>
+#include <GCPnts_UniformDeflection.hxx>
+#include <Precision.hxx>
+#include <TopExp.hxx>
+#include <TopExp_Explorer.hxx>
+#include <TopoDS.hxx>
+#include <TopoDS_Edge.hxx>
#include <string>
-#include <algorithm>
+#include <limits>
+
+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 = TopAbs_EDGE;
- _shapeType = (1 << TopAbs_EDGE);
- _compatibleHypothesis.push_back("LocalLength");
- _compatibleHypothesis.push_back("NumberOfSegments");
-
- _localLength = 0;
- _numberOfSegments = 0;
- _hypLocalLength = NULL;
- _hypNumberOfSegments = NULL;
+ 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 !!!
}
//=============================================================================
//=============================================================================
bool StdMeshers_Regular_1D::CheckHypothesis
- (SMESH_Mesh& aMesh,
- const TopoDS_Shape& aShape,
+ (SMESH_Mesh& aMesh,
+ const TopoDS_Shape& aShape,
SMESH_Hypothesis::Hypothesis_Status& aStatus)
{
- //MESSAGE("StdMeshers_Regular_1D::CheckHypothesis");
+ _hypType = NONE;
+ _quadraticMesh = false;
- list <const SMESHDS_Hypothesis * >::const_iterator itl;
- const SMESHDS_Hypothesis *theHyp;
+ const list <const SMESHDS_Hypothesis * > & hyps =
+ GetUsedHypothesis(aMesh, aShape, /*ignoreAuxiliaryHyps=*/false);
- const list <const SMESHDS_Hypothesis * >&hyps = GetUsedHypothesis(aMesh, aShape);
- int nbHyp = hyps.size();
- if (!nbHyp)
- {
- aStatus = SMESH_Hypothesis::HYP_MISSING;
- return false; // can't work with no hypothesis
+ // find non-auxiliary hypothesis
+ const SMESHDS_Hypothesis *theHyp = 0;
+ 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;
+ }
+ else {
+ if ( !theHyp )
+ theHyp = *h; // use only the first non-auxiliary hypothesis
+ }
+ }
+
+ if ( !theHyp )
+ {
+ aStatus = SMESH_Hypothesis::HYP_MISSING;
+ return false; // can't work without a hypothesis
+ }
+
+ string hypName = theHyp->GetName();
+
+ 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();
+ ASSERT( _value[ BEG_LENGTH_IND ] > 0 );
+ _hypType = LOCAL_LENGTH;
+ aStatus = SMESH_Hypothesis::HYP_OK;
+ }
+
+ else if (hypName == "MaxLength")
+ {
+ const StdMeshers_MaxLength * hyp =
+ dynamic_cast <const StdMeshers_MaxLength * >(theHyp);
+ ASSERT(hyp);
+ _value[ BEG_LENGTH_IND ] = hyp->GetLength();
+ if ( hyp->GetUsePreestimatedLength() ) {
+ if ( int nbSeg = aMesh.GetGen()->GetBoundaryBoxSegmentation() )
+ _value[ BEG_LENGTH_IND ] = aMesh.GetShapeDiagonalSize() / nbSeg;
+ }
+ ASSERT( _value[ BEG_LENGTH_IND ] > 0 );
+ _hypType = MAX_LENGTH;
+ aStatus = SMESH_Hypothesis::HYP_OK;
+ }
+
+ else if (hypName == "NumberOfSegments")
+ {
+ const StdMeshers_NumberOfSegments * hyp =
+ dynamic_cast <const StdMeshers_NumberOfSegments * >(theHyp);
+ ASSERT(hyp);
+ _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();
+ _revEdgesIDs = hyp->GetReversedEdges();
+ break;
+ case StdMeshers_NumberOfSegments::DT_TabFunc:
+ _vvalue[ TAB_FUNC_IND ] = hyp->GetTableFunction();
+ _revEdgesIDs = hyp->GetReversedEdges();
+ break;
+ case StdMeshers_NumberOfSegments::DT_ExprFunc:
+ _svalue[ EXPR_FUNC_IND ] = hyp->GetExpressionFunction();
+ _revEdgesIDs = hyp->GetReversedEdges();
+ 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;
+ }
+
+ else if (hypName == "Arithmetic1D")
+ {
+ const StdMeshers_Arithmetic1D * hyp =
+ dynamic_cast <const StdMeshers_Arithmetic1D * >(theHyp);
+ ASSERT(hyp);
+ _value[ BEG_LENGTH_IND ] = hyp->GetLength( true );
+ _value[ END_LENGTH_IND ] = hyp->GetLength( false );
+ ASSERT( _value[ BEG_LENGTH_IND ] > 0 && _value[ END_LENGTH_IND ] > 0 );
+ _hypType = ARITHMETIC_1D;
+
+ _revEdgesIDs = hyp->GetReversedEdges();
+
+ aStatus = SMESH_Hypothesis::HYP_OK;
+ }
+
+ else if (hypName == "FixedPoints1D") {
+ _fpHyp = dynamic_cast <const StdMeshers_FixedPoints1D*>(theHyp);
+ ASSERT(_fpHyp);
+ _hypType = FIXED_POINTS_1D;
+
+ _revEdgesIDs = _fpHyp->GetReversedEdges();
+
+ aStatus = SMESH_Hypothesis::HYP_OK;
+ }
+
+ else if (hypName == "StartEndLength")
+ {
+ const StdMeshers_StartEndLength * hyp =
+ dynamic_cast <const StdMeshers_StartEndLength * >(theHyp);
+ ASSERT(hyp);
+ _value[ BEG_LENGTH_IND ] = hyp->GetLength( true );
+ _value[ END_LENGTH_IND ] = hyp->GetLength( false );
+ ASSERT( _value[ BEG_LENGTH_IND ] > 0 && _value[ END_LENGTH_IND ] > 0 );
+ _hypType = BEG_END_LENGTH;
+
+ _revEdgesIDs = hyp->GetReversedEdges();
+
+ aStatus = SMESH_Hypothesis::HYP_OK;
+ }
+
+ else if (hypName == "Deflection1D")
+ {
+ const StdMeshers_Deflection1D * hyp =
+ dynamic_cast <const StdMeshers_Deflection1D * >(theHyp);
+ ASSERT(hyp);
+ _value[ DEFLECTION_IND ] = hyp->GetDeflection();
+ ASSERT( _value[ DEFLECTION_IND ] > 0 );
+ _hypType = DEFLECTION;
+ aStatus = SMESH_Hypothesis::HYP_OK;
+ }
+
+ else if (hypName == "AutomaticLength")
+ {
+ StdMeshers_AutomaticLength * hyp = const_cast<StdMeshers_AutomaticLength *>
+ (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
+ aStatus = SMESH_Hypothesis::HYP_INCOMPATIBLE;
+
+ return ( _hypType != NONE );
+}
+
+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)
+ 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;
+
+ 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;
+ }
+ 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
+ */
+//================================================================================
+
+static void compensateError(double a1, double an,
+ double U1, double Un,
+ double length,
+ Adaptor3d_Curve& C3d,
+ list<double> & theParams,
+ bool adjustNeighbors2an = false)
+{
+ int i, nPar = theParams.size();
+ if ( a1 + an < length && nPar > 1 )
+ {
+ bool reverse = ( U1 > Un );
+ GCPnts_AbscissaPoint Discret(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 ( adjustNeighbors2an || Abs(dUn) < 0.5 * dU ) { // last segment is a bit shorter than it should
+ // 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
+ dUn = Utgt - theParams.back();
+ }
+
+ double q = dUn / ( nPar - 1 );
+ if ( !adjustNeighbors2an )
+ {
+ q = dUn / ( Utgt - Un ); // (signed) factor of segment length change
+ for ( itU = theParams.rbegin(), i = 1; i < nPar; i++ ) {
+ double prevU = *itU;
+ (*itU) += dUn;
+ ++itU;
+ dUn = q * (*itU - prevU) * (prevU-U1)/(Un-U1);
+ }
+ }
+ else {
+ theParams.back() += dUn;
+ double sign = reverse ? -1 : 1;
+ double prevU = theParams.back();
+ itU = theParams.rbegin();
+ for ( ++itU, i = 2; i < nPar; ++itU, i++ ) {
+ double newU = *itU + dUn;
+ if ( newU*sign < prevU*sign ) {
+ prevU = *itU = newU;
+ dUn -= q;
}
+ else { // set U between prevU and next valid param
+ list<double>::reverse_iterator itU2 = itU;
+ ++itU2;
+ int nb = 2;
+ while ( (*itU2)*sign > prevU*sign ) {
+ ++itU2; ++nb;
+ }
+ dU = ( *itU2 - prevU ) / nb;
+ while ( itU != itU2 ) {
+ *itU += dU; ++itU;
+ }
+ break;
+ }
+ }
+ }
+ }
+}
- itl = hyps.begin();
- theHyp = (*itl); // use only the first hypothesis
-
- string hypName = theHyp->GetName();
- int hypId = theHyp->GetID();
- //SCRUTE(hypName);
-
- bool isOk = false;
-
- if (hypName == "LocalLength")
- {
- _hypLocalLength = dynamic_cast <const StdMeshers_LocalLength * >(theHyp);
- ASSERT(_hypLocalLength);
- _localLength = _hypLocalLength->GetLength();
- _numberOfSegments = 0;
- isOk = true;
- aStatus = SMESH_Hypothesis::HYP_OK;
- }
-
- else if (hypName == "NumberOfSegments")
- {
- _hypNumberOfSegments =
- dynamic_cast <const StdMeshers_NumberOfSegments * >(theHyp);
- ASSERT(_hypNumberOfSegments);
- _numberOfSegments = _hypNumberOfSegments->GetNumberOfSegments();
- _scaleFactor = _hypNumberOfSegments->GetScaleFactor();
- _localLength = 0;
- isOk = true;
- aStatus = SMESH_Hypothesis::HYP_OK;
- }
- else
- aStatus = SMESH_Hypothesis::HYP_INCOMPATIBLE;
+//================================================================================
+/*!
+ * \brief Class used to clean mesh on edges when 0D hyp modified.
+ * Common approach doesn't work when 0D algo is missing because the 0D hyp is
+ * considered as not participating in computation whereas it is used by 1D algo.
+ */
+//================================================================================
- //SCRUTE(_localLength);
- //SCRUTE(_numberOfSegments);
+// struct VertexEventListener : public SMESH_subMeshEventListener
+// {
+// VertexEventListener():SMESH_subMeshEventListener(0) // won't be deleted by submesh
+// {}
+// /*!
+// * \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
+// */
+// void ProcessEvent(const int event, const int eventType, SMESH_subMesh* subMesh,
+// EventListenerData*, const SMESH_Hypothesis*)
+// {
+// if ( eventType == SMESH_subMesh::ALGO_EVENT) // all algo events
+// {
+// subMesh->ComputeStateEngine( SMESH_subMesh::MODIF_ALGO_STATE );
+// }
+// }
+// }; // struct VertexEventListener
- return isOk;
+//=============================================================================
+/*!
+ * \brief Sets event listener to vertex submeshes
+ * \param subMesh - submesh where algo is set
+ *
+ * This method is called when a submesh gets HYP_OK algo_state.
+ * After being set, event listener is notified on each event of a submesh.
+ */
+//=============================================================================
+
+void StdMeshers_Regular_1D::SetEventListener(SMESH_subMesh* subMesh)
+{
+ StdMeshers_Propagation::SetPropagationMgr( subMesh );
}
//=============================================================================
/*!
- *
+ * \brief Do nothing
+ * \param subMesh - restored submesh
+ *
+ * This method is called only if a submesh has HYP_OK algo_state.
*/
//=============================================================================
-bool StdMeshers_Regular_1D::Compute(SMESH_Mesh & aMesh, const TopoDS_Shape & aShape)
+void StdMeshers_Regular_1D::SubmeshRestored(SMESH_subMesh* subMesh)
{
- MESSAGE("StdMeshers_Regular_1D::Compute");
-
- SMESHDS_Mesh * meshDS = aMesh.GetMeshDS();
- SMESH_subMesh *theSubMesh = aMesh.GetSubMesh(aShape);
-
- const TopoDS_Edge & EE = TopoDS::Edge(aShape);
- TopoDS_Edge E = TopoDS::Edge(EE.Oriented(TopAbs_FORWARD));
-
- double f, l;
- Handle(Geom_Curve) Curve = BRep_Tool::Curve(E, f, l);
-
- TopoDS_Vertex VFirst, VLast;
- TopExp::Vertices(E, VFirst, VLast); // Vfirst corresponds to f and Vlast to l
-
- double length = EdgeLength(E);
- //SCRUTE(length);
-
- double eltSize = 1;
-// if (_localLength > 0) eltSize = _localLength;
- if (_localLength > 0)
- {
- double nbseg = ceil(length / _localLength); // integer sup
- if (nbseg <= 0)
- nbseg = 1; // degenerated edge
- eltSize = length / nbseg;
- }
- else
- {
- ASSERT(_numberOfSegments > 0);
- eltSize = length / _numberOfSegments;
- }
-
- ASSERT(!VFirst.IsNull());
- SMDS_NodeIteratorPtr lid= aMesh.GetSubMesh(VFirst)->GetSubMeshDS()->GetNodes();
- const SMDS_MeshNode * idFirst = lid->next();
-
- ASSERT(!VLast.IsNull());
- lid=aMesh.GetSubMesh(VLast)->GetSubMeshDS()->GetNodes();
- const SMDS_MeshNode * idLast = lid->next();
-
- if (!Curve.IsNull())
- {
- GeomAdaptor_Curve C3d(Curve);
- GCPnts_UniformAbscissa Discret(C3d, eltSize, f, l);
- int NbPoints = Discret.NbPoints();
- //MESSAGE("nb points on edge : "<<NbPoints);
-
- // 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;
- for (int i = 2; i < NbPoints; i++)
- {
- double param = Discret.Parameter(i);
-
- if (_numberOfSegments > 1)
- {
- double epsilon = 0.001;
- if (fabs(_scaleFactor - 1.0) > epsilon)
- {
- double alpha =
- pow(_scaleFactor, 1.0 / (_numberOfSegments - 1));
- double d =
- length * (1 - pow(alpha, i - 1)) / (1 - pow(alpha,
- _numberOfSegments));
- param = d;
- }
- }
-
- gp_Pnt P = Curve->Value(param);
-
- //Add the Node in the DataStructure
- //MESSAGE("point "<<nodeId<<" "<<P.X()<<" "<<P.Y()<<" "<<P.Z()<<" - "<<i<<" "<<param);
- 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<SMDS_EdgePosition *>(node->GetPosition().get());
- epos->SetUParameter(param);
-
- SMDS_MeshEdge * edge = meshDS->AddEdge(idPrev, node);
- meshDS->SetMeshElementOnShape(edge, E);
- idPrev = node;
- }
- SMDS_MeshEdge* edge = meshDS->AddEdge(idPrev, idLast);
- meshDS->SetMeshElementOnShape(edge, E);
- }
- else
- {
-// MESSAGE ("Edge Degeneree non traitee --- arret");
-// ASSERT(0);
- if (BRep_Tool::Degenerated(E))
- {
- // Edge is a degenerated Edge : We put n = 5 points on the edge.
- int NbPoints = 5;
- BRep_Tool::Range(E, f, l);
- double du = (l - f) / (NbPoints - 1);
- MESSAGE("************* Degenerated edge! *****************");
-
- TopoDS_Vertex V1, V2;
- TopExp::Vertices(E, V1, V2);
- gp_Pnt P = BRep_Tool::Pnt(V1);
-
- const SMDS_MeshNode * idPrev = idFirst;
- 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);
-
-// Handle (SMDS_EdgePosition) epos
-// = new SMDS_EdgePosition(theSubMesh->GetId(),param);
-// node->SetPosition(epos);
- SMDS_EdgePosition* epos =
- dynamic_cast<SMDS_EdgePosition*>(node->GetPosition().get());
- epos->SetUParameter(param);
-
- SMDS_MeshEdge * edge = meshDS->AddEdge(idPrev, node);
- meshDS->SetMeshElementOnShape(edge, E);
- idPrev = node;
- }
- SMDS_MeshEdge * edge = meshDS->AddEdge(idPrev, idLast);
- meshDS->SetMeshElementOnShape(edge, E);
- }
- else
- ASSERT(0);
- }
- return true;
}
//=============================================================================
/*!
- *
+ * \brief Return StdMeshers_SegmentLengthAroundVertex assigned to vertex
*/
//=============================================================================
-ostream & StdMeshers_Regular_1D::SaveTo(ostream & save)
+const StdMeshers_SegmentLengthAroundVertex*
+StdMeshers_Regular_1D::getVertexHyp(SMESH_Mesh & theMesh,
+ const TopoDS_Vertex & theV)
{
- return save;
+ static SMESH_HypoFilter filter( SMESH_HypoFilter::HasName("SegmentAroundVertex_0D"));
+ if ( const SMESH_Hypothesis * h = theMesh.GetHypothesis( theV, filter, true ))
+ {
+ SMESH_Algo* algo = const_cast< SMESH_Algo* >( static_cast< const SMESH_Algo* > ( h ));
+ const list <const SMESHDS_Hypothesis *> & hypList = algo->GetUsedHypothesis( theMesh, theV, 0 );
+ if ( !hypList.empty() && string("SegmentLengthAroundVertex") == hypList.front()->GetName() )
+ return static_cast<const StdMeshers_SegmentLengthAroundVertex*>( hypList.front() );
+ }
+ return 0;
+}
+
+//================================================================================
+/*!
+ * \brief Tune parameters to fit "SegmentLengthAroundVertex" hypothesis
+ * \param theC3d - wire curve
+ * \param theLength - curve length
+ * \param theParameters - internal nodes parameters to modify
+ * \param theVf - 1st vertex
+ * \param theVl - 2nd vertex
+ */
+//================================================================================
+
+void StdMeshers_Regular_1D::redistributeNearVertices (SMESH_Mesh & theMesh,
+ Adaptor3d_Curve & theC3d,
+ double theLength,
+ std::list< double > & theParameters,
+ const TopoDS_Vertex & theVf,
+ const TopoDS_Vertex & theVl)
+{
+ double f = theC3d.FirstParameter(), l = theC3d.LastParameter();
+ int nPar = theParameters.size();
+ for ( int isEnd1 = 0; isEnd1 < 2; ++isEnd1 )
+ {
+ const TopoDS_Vertex & V = isEnd1 ? theVf : theVl;
+ const StdMeshers_SegmentLengthAroundVertex* hyp = getVertexHyp (theMesh, V );
+ if ( hyp ) {
+ double vertexLength = hyp->GetLength();
+ if ( vertexLength > theLength / 2.0 )
+ continue;
+ if ( isEnd1 ) { // to have a segment of interest at end of theParameters
+ theParameters.reverse();
+ std::swap( f, l );
+ }
+ if ( _hypType == NB_SEGMENTS )
+ {
+ compensateError(0, vertexLength, f, l, theLength, theC3d, theParameters, true );
+ }
+ else if ( nPar <= 3 )
+ {
+ if ( !isEnd1 )
+ vertexLength = -vertexLength;
+ GCPnts_AbscissaPoint Discret(theC3d, vertexLength, l);
+ if ( Discret.IsDone() ) {
+ if ( nPar == 0 )
+ theParameters.push_back( Discret.Parameter());
+ else {
+ double L = GCPnts_AbscissaPoint::Length( theC3d, theParameters.back(), l);
+ if ( vertexLength < L / 2.0 )
+ theParameters.push_back( Discret.Parameter());
+ else
+ compensateError(0, vertexLength, f, l, theLength, theC3d, theParameters, true );
+ }
+ }
+ }
+ else
+ {
+ // recompute params between the last segment and a middle one.
+ // find size of a middle segment
+ int nHalf = ( nPar-1 ) / 2;
+ list< double >::reverse_iterator itU = theParameters.rbegin();
+ std::advance( itU, nHalf );
+ 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;
+ double from = *itU, to = l;
+ if ( isEnd1 ) {
+ std::swap( from, to );
+ std::swap( algo._value[ BEG_LENGTH_IND ], algo._value[ END_LENGTH_IND ]);
+ }
+ list<double> params;
+ if ( algo.computeInternalParameters( theMesh, theC3d, L, from, to, params, false ))
+ {
+ if ( isEnd1 ) params.reverse();
+ while ( 1 + nHalf-- )
+ theParameters.pop_back();
+ theParameters.splice( theParameters.end(), params );
+ }
+ else
+ {
+ compensateError(0, vertexLength, f, l, theLength, theC3d, theParameters, true );
+ }
+ }
+ if ( isEnd1 )
+ theParameters.reverse();
+ }
+ }
}
//=============================================================================
*
*/
//=============================================================================
-
-istream & StdMeshers_Regular_1D::LoadFrom(istream & load)
+bool StdMeshers_Regular_1D::computeInternalParameters(SMESH_Mesh & theMesh,
+ Adaptor3d_Curve& theC3d,
+ double theLength,
+ double theFirstU,
+ double theLastU,
+ list<double> & theParams,
+ const bool theReverse,
+ bool theConsiderPropagation)
{
- return load;
+ theParams.clear();
+
+ double f = theFirstU, l = theLastU;
+
+ switch( _hypType )
+ {
+ case LOCAL_LENGTH:
+ case MAX_LENGTH:
+ case NB_SEGMENTS: {
+
+ double eltSize = 1;
+ if ( _hypType == MAX_LENGTH )
+ {
+ double nbseg = ceil(theLength / _value[ BEG_LENGTH_IND ]); // integer sup
+ if (nbseg <= 0)
+ nbseg = 1; // degenerated edge
+ eltSize = theLength / nbseg;
+ }
+ else if ( _hypType == LOCAL_LENGTH )
+ {
+ // Local Length hypothesis
+ double nbseg = ceil(theLength / _value[ BEG_LENGTH_IND ]); // integer sup
+
+ // NPAL17873:
+ bool isFound = false;
+ if (theConsiderPropagation && !_mainEdge.IsNull()) // propagated from some other edge
+ {
+ // Advanced processing to assure equal number of segments in case of Propagation
+ SMESH_subMesh* sm = theMesh.GetSubMeshContaining(_mainEdge);
+ if (sm) {
+ bool computed = sm->IsMeshComputed();
+ if (!computed) {
+ if (sm->GetComputeState() == SMESH_subMesh::READY_TO_COMPUTE) {
+ _gen->Compute( theMesh, _mainEdge, /*anUpward=*/true);
+ computed = sm->IsMeshComputed();
+ }
+ }
+ if (computed) {
+ SMESHDS_SubMesh* smds = sm->GetSubMeshDS();
+ int nb_segments = smds->NbElements();
+ if (nbseg - 1 <= nb_segments && nb_segments <= nbseg + 1) {
+ isFound = true;
+ nbseg = nb_segments;
+ }
+ }
+ }
+ }
+ if (!isFound) // not found by meshed edge in the propagation chain, use precision
+ {
+ double aPrecision = _value[ PRECISION_IND ];
+ double nbseg_prec = ceil((theLength / _value[ BEG_LENGTH_IND ]) - aPrecision);
+ if (nbseg_prec == (nbseg - 1)) nbseg--;
+ }
+
+ if (nbseg <= 0)
+ nbseg = 1; // degenerated edge
+ eltSize = theLength / nbseg;
+ }
+ else
+ {
+ // Number Of Segments hypothesis
+ int NbSegm = _ivalue[ NB_SEGMENTS_IND ];
+ if ( NbSegm < 1 ) return false;
+ if ( NbSegm == 1 ) return true;
+
+ switch (_ivalue[ DISTR_TYPE_IND ])
+ {
+ case StdMeshers_NumberOfSegments::DT_Scale:
+ {
+ double scale = _value[ SCALE_FACTOR_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;
+ 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 );
+ }
+ }
+ 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;
+ case StdMeshers_NumberOfSegments::DT_TabFunc:
+ {
+ FunctionTable func(_vvalue[ TAB_FUNC_IND ], _ivalue[ CONV_MODE_IND ]);
+ return computeParamByFunc(theC3d, f, l, theLength, 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(theC3d, f, l, theLength, theReverse,
+ _ivalue[ NB_SEGMENTS_IND ], func,
+ theParams);
+ }
+ break;
+ case StdMeshers_NumberOfSegments::DT_Regular:
+ eltSize = theLength / _ivalue[ NB_SEGMENTS_IND ];
+ break;
+ default:
+ return false;
+ }
+ }
+ GCPnts_UniformAbscissa Discret(theC3d, eltSize, f, l);
+ if ( !Discret.IsDone() )
+ return error( "GCPnts_UniformAbscissa failed");
+
+ int NbPoints = Discret.NbPoints();
+ for ( int i = 2; i < NbPoints; i++ )
+ {
+ double param = Discret.Parameter(i);
+ theParams.push_back( param );
+ }
+ compensateError( eltSize, eltSize, f, l, theLength, theC3d, theParams ); // for PAL9899
+ return true;
+ }
+
+ case BEG_END_LENGTH: {
+
+ // geometric progression: SUM(n) = ( a1 - an * q ) / ( 1 - q ) = theLength
+
+ 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 param = U1;
+ double eltSize = theReverse ? -a1 : a1;
+ 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 );
+ if ( !Discret.IsDone() ) break;
+ param = Discret.Parameter();
+ if ( f < param && param < l )
+ theParams.push_back( param );
+ else
+ break;
+ eltSize *= q;
+ }
+ compensateError( a1, an, U1, Un, theLength, theC3d, theParams );
+ if (theReverse) theParams.reverse(); // NPAL18025
+ return true;
+ }
+
+ 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)
+ 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 U1 = theReverse ? l : f;
+ double Un = theReverse ? f : l;
+ double param = U1;
+ double eltSize = a1;
+ 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 );
+ if ( !Discret.IsDone() ) break;
+ param = Discret.Parameter();
+ if ( param > f && param < l )
+ theParams.push_back( param );
+ else
+ break;
+ eltSize += q;
+ }
+ 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();
+ int i = 0;
+ TColStd_SequenceOfReal Params;
+ for(; i<aPnts.size(); i++) {
+ if( aPnts[i]<0.0001 || aPnts[i]>0.9999 ) continue;
+ int j=1;
+ bool IsExist = false;
+ for(; j<=Params.Length(); j++) {
+ if( fabs(aPnts[i]-Params.Value(j)) < 1e-4 ) {
+ IsExist = true;
+ break;
+ }
+ if( aPnts[i]<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;
+ }
+ 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 );
+ }
+ 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
+ }
+ return true;
+ }
+
+ case DEFLECTION: {
+
+ GCPnts_UniformDeflection Discret(theC3d, _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:;
+ }
+
+ return false;
}
//=============================================================================
*/
//=============================================================================
-ostream & operator <<(ostream & save, StdMeshers_Regular_1D & hyp)
+bool StdMeshers_Regular_1D::Compute(SMESH_Mesh & theMesh, const TopoDS_Shape & theShape)
{
- return hyp.SaveTo( save );
+ if ( _hypType == NONE )
+ return false;
+
+ SMESHDS_Mesh * meshDS = theMesh.GetMeshDS();
+
+ 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);
+
+ TopoDS_Vertex VFirst, VLast;
+ TopExp::Vertices(E, VFirst, VLast); // Vfirst corresponds to f and Vlast to l
+
+ 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)
+ 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;
+ }
+ // 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;
+ }
+ redistributeNearVertices( theMesh, C3d, length, params, VFirst, VLast );
+
+ // 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;
+ 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);
+
+ //Add the Node in the DataStructure
+ SMDS_MeshNode * node = meshDS->AddNode(P.X(), P.Y(), P.Z());
+ 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);
+ }
+
+ 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);
+ }
+ }
+ 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
+ double du = (l - f) / (NbPoints - 1);
+
+ gp_Pnt P = BRep_Tool::Pnt(VFirst);
+
+ const SMDS_MeshNode * idPrev = idFirst;
+ for (int i = 2; i < NbPoints; i++) {
+ double param = f + (i - 1) * du;
+ SMDS_MeshNode * node = meshDS->AddNode(P.X(), P.Y(), P.Z());
+ 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;
+ }
+ 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;
}
+
//=============================================================================
/*!
*
*/
//=============================================================================
-istream & operator >>(istream & load, StdMeshers_Regular_1D & hyp)
+bool StdMeshers_Regular_1D::Evaluate(SMESH_Mesh & theMesh,
+ const TopoDS_Shape & theShape,
+ MapShapeNbElems& aResMap)
+{
+ if ( _hypType == NONE )
+ return false;
+
+ //SMESHDS_Mesh * meshDS = theMesh.GetMeshDS();
+
+ 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);
+
+ TopoDS_Vertex VFirst, VLast;
+ TopExp::Vertices(E, VFirst, VLast); // Vfirst corresponds to f and Vlast to l
+
+ ASSERT(!VFirst.IsNull());
+ ASSERT(!VLast.IsNull());
+
+ std::vector<int> aVec(SMDSEntity_Last,0);
+
+ if (!Curve.IsNull()) {
+ 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));
+ 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_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;
+ aVec[SMDSEntity_Quad_Edge] = 6;
+ }
+ else {
+ aVec[SMDSEntity_Node] = 5;
+ aVec[SMDSEntity_Edge] = 6;
+ }
+ }
+
+ SMESH_subMesh * sm = theMesh.GetSubMesh(theShape);
+ aResMap.insert(std::make_pair(sm,aVec));
+
+ return true;
+}
+
+
+//=============================================================================
+/*!
+ * See comments in SMESH_Algo.cxx
+ */
+//=============================================================================
+
+const list <const SMESHDS_Hypothesis *> &
+StdMeshers_Regular_1D::GetUsedHypothesis(SMESH_Mesh & aMesh,
+ const TopoDS_Shape & aShape,
+ const bool ignoreAuxiliary)
{
- return hyp.LoadFrom( load );
+ _usedHypList.clear();
+ _mainEdge.Nullify();
+
+ SMESH_HypoFilter auxiliaryFilter, compatibleFilter;
+ auxiliaryFilter.Init( SMESH_HypoFilter::IsAuxiliary() );
+ InitCompatibleHypoFilter( compatibleFilter, /*ignoreAux=*/true );
+
+ // get non-auxiliary assigned directly to aShape
+ 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 );
+ 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 );
+ }
+ }
+
+ 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;
}