-// Copyright (C) 2007-2013 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
//extern void OCCSetLocalMeshSize(OCCGeometry & geom, Mesh & mesh);
extern MeshingParameters mparam;
extern volatile multithreadt multithread;
+ extern bool merge_solids;
}
#include <vector>
#include <limits>
+#ifdef WIN32
+#include <process.h>
+#endif
using namespace nglib;
using namespace std;
_ngMesh(NULL),
_occgeom(NULL),
_curShapeIndex(-1),
+ _progressTic(1),
+ _totalTime(1.0),
_simpleHyp(NULL),
_ptrToMe(NULL)
{
{
netgen::MeshingParameters& mparams = netgen::mparam;
// maximal mesh edge size
- mparams.maxh = 0;//NETGENPlugin_Hypothesis::GetDefaultMaxSize();
- mparams.minh = 0;
+ mparams.maxh = 0;//NETGENPlugin_Hypothesis::GetDefaultMaxSize();
+ mparams.minh = 0;
// minimal number of segments per edge
mparams.segmentsperedge = NETGENPlugin_Hypothesis::GetDefaultNbSegPerEdge();
// rate of growth of size between elements
- mparams.grading = NETGENPlugin_Hypothesis::GetDefaultGrowthRate();
+ mparams.grading = NETGENPlugin_Hypothesis::GetDefaultGrowthRate();
// safety factor for curvatures (elements per radius)
mparams.curvaturesafety = NETGENPlugin_Hypothesis::GetDefaultNbSegPerRadius();
// create elements of second order
- mparams.secondorder = NETGENPlugin_Hypothesis::GetDefaultSecondOrder() ? 1 : 0;
+ mparams.secondorder = NETGENPlugin_Hypothesis::GetDefaultSecondOrder();
// quad-dominated surface meshing
if (_isVolume)
- mparams.quad = 0;
+ mparams.quad = 0;
else
- mparams.quad = NETGENPlugin_Hypothesis_2D::GetDefaultQuadAllowed() ? 1 : 0;
- _fineness = NETGENPlugin_Hypothesis::GetDefaultFineness();
+ mparams.quad = NETGENPlugin_Hypothesis_2D::GetDefaultQuadAllowed();
+ _fineness = NETGENPlugin_Hypothesis::GetDefaultFineness();
+ mparams.uselocalh = NETGENPlugin_Hypothesis::GetDefaultSurfaceCurvature();
+ netgen::merge_solids = NETGENPlugin_Hypothesis::GetDefaultFuseEdges();
}
//=============================================================================
netgen::MeshingParameters& mparams = netgen::mparam;
// Initialize global NETGEN parameters:
// maximal mesh segment size
- mparams.maxh = hyp->GetMaxSize();
+ mparams.maxh = hyp->GetMaxSize();
// maximal mesh element linear size
- mparams.minh = hyp->GetMinSize();
+ mparams.minh = hyp->GetMinSize();
// minimal number of segments per edge
mparams.segmentsperedge = hyp->GetNbSegPerEdge();
// rate of growth of size between elements
- mparams.grading = hyp->GetGrowthRate();
+ mparams.grading = hyp->GetGrowthRate();
// safety factor for curvatures (elements per radius)
mparams.curvaturesafety = hyp->GetNbSegPerRadius();
// create elements of second order
- mparams.secondorder = hyp->GetSecondOrder() ? 1 : 0;
+ mparams.secondorder = hyp->GetSecondOrder() ? 1 : 0;
// quad-dominated surface meshing
// only triangles are allowed for volumic mesh (before realizing IMP 0021676)
//if (!_isVolume)
- mparams.quad = hyp->GetQuadAllowed() ? 1 : 0;
- _optimize = hyp->GetOptimize();
- _fineness = hyp->GetFineness();
+ mparams.quad = hyp->GetQuadAllowed() ? 1 : 0;
+ _optimize = hyp->GetOptimize();
+ _fineness = hyp->GetFineness();
+ mparams.uselocalh = hyp->GetSurfaceCurvature();
+ netgen::merge_solids = hyp->GetFuseEdges();
_simpleHyp = NULL;
SMESH_Gen_i* smeshGen_i = SMESH_Gen_i::GetSMESHGen();
// {
// BRepTools::Clean (shape);
try {
-#if (OCC_VERSION_MAJOR << 16 | OCC_VERSION_MINOR << 8 | OCC_VERSION_MAINTENANCE) > 0x060100
OCC_CATCH_SIGNALS;
-#endif
BRepMesh_IncrementalMesh e(shape, 0.01, true);
-
}
catch (Standard_Failure)
{
// get root submeshes
list< SMESH_subMesh* > rootSM;
- if ( SMESH_subMesh* sm = mesh.GetSubMeshContaining( shape )) {
- rootSM.push_back( sm );
+ const int shapeID = mesh.GetMeshDS()->ShapeToIndex( shape );
+ if ( shapeID > 0 ) { // SMESH_subMesh with ID 0 may exist, don't use it!
+ rootSM.push_back( mesh.GetSubMesh( shape ));
}
else {
for ( TopoDS_Iterator it( shape ); it.More(); it.Next() )
#ifdef DUMP_TRIANGLES_SCRIPT
// create a python script making a mesh containing triangles added for internal vertices
ofstream py(DUMP_TRIANGLES_SCRIPT);
- py << "from smesh import * "<< endl
- << "m = Mesh(name='triangles')" << endl;
+ py << "import SMESH"<< endl
+ << "from salome.smesh import smeshBuilder"<<endl
+ << "smesh = smeshBuilder.New(salome.myStudy)"
+ << "m = smesh.Mesh(name='triangles')" << endl;
#endif
if ( nodeVec.size() < ngMesh.GetNP() )
nodeVec.resize( ngMesh.GetNP(), 0 );
SMESH_TNodeXYZ np1( n ), np2( uvPtVec[ i+1 ].node );
// get an average size of adjacent segments to avoid sharp change of
// element size (regression on issue 0020452, note 0010898)
- int iPrev = SMESH_MesherHelper::WrapIndex( i-1, nbSegments );
- int iNext = SMESH_MesherHelper::WrapIndex( i+1, nbSegments );
- double avgH = ( segLen[ iPrev ] + segLen[ i ] + segLen[ iNext ]) / 3;
-
- RestrictLocalSize( ngMesh, 0.5*(np1+np2), avgH );
+ int iPrev = SMESH_MesherHelper::WrapIndex( i-1, nbSegments );
+ int iNext = SMESH_MesherHelper::WrapIndex( i+1, nbSegments );
+ double sunH = segLen[ iPrev ] + segLen[ i ] + segLen[ iNext ];
+ int nbSeg = ( int( segLen[ iPrev ] > sunH / 100.) +
+ int( segLen[ i ] > sunH / 100.) +
+ int( segLen[ iNext ] > sunH / 100.));
+ if ( nbSeg > 0 )
+ RestrictLocalSize( ngMesh, 0.5*(np1+np2), sunH / nbSeg );
}
if ( isInternalWire )
{
str << ": " << ex.What();
return str;
}
+
+ const double edgeMeshingTime = 0.001;
+ const double faceMeshingTime = 0.019;
+ const double edgeFaceMeshingTime = edgeMeshingTime + faceMeshingTime;
+ const double faceOptimizTime = 0.06;
+ const double voluMeshingTime = 0.15;
+ const double volOptimizeTime = 0.77;
}
//=============================================================================
" growth rate = " << mparams.grading << "\n"
" elements per radius = " << mparams.curvaturesafety << "\n"
" second order = " << mparams.secondorder << "\n"
- " quad allowed = " << mparams.quad);
- //cout << " quad allowed = " << mparams.quad<<endl;
+ " quad allowed = " << mparams.quad << "\n"
+ " surface curvature = " << mparams.uselocalh << "\n"
+ " fuse edges = " << netgen::merge_solids);
SMESH_ComputeErrorPtr error = SMESH_ComputeError::New();
NETGENPlugin_Internals internals( *_mesh, _shape, _isVolume );
PrepareOCCgeometry( occgeo, _shape, *_mesh, meshedSM, &internals );
_occgeom = &occgeo;
+
+ _totalTime = edgeFaceMeshingTime;
+ if ( _optimize )
+ _totalTime += faceOptimizTime;
+ if ( _isVolume )
+ _totalTime += voluMeshingTime + ( _optimize ? volOptimizeTime : 0 );
+ double doneTime = 0;
+ _ticTime = -1;
+ _progressTic = 1;
_curShapeIndex = -1;
// -------------------------
err = 1;
}
}
+ if ( _isVolume )
+ _ticTime = ( doneTime += edgeMeshingTime ) / _totalTime / _progressTic;
+
mparams.uselocalh = true; // restore as it is used at surface optimization
// ---------------------
//err = 1; -- try to make volumes anyway
}
}
+ if ( _isVolume )
+ {
+ doneTime += faceMeshingTime + ( _optimize ? faceOptimizTime : 0 );
+ _ticTime = doneTime / _totalTime / _progressTic;
+ }
// ---------------------
// generate volume mesh
// ---------------------
comment << text(exc);
err = 1;
}
+ _ticTime = ( doneTime += voluMeshingTime ) / _totalTime / _progressTic;
+
// Let netgen optimize 3D mesh
if ( !err && _optimize )
{
}
}
}
+
+ _ticTime = 0.98 / _progressTic;
+
int nbNod = _ngMesh->GetNP();
int nbSeg = _ngMesh->GetNSeg();
int nbFac = _ngMesh->GetNSE();
}
double NETGENPlugin_Mesher::GetProgress(const SMESH_Algo* holder,
- const int * algoProgressTic ) const
+ const int * algoProgressTic,
+ const double * algoProgress) const
{
- double progress = holder->GetProgressByTic();
+ ((int&) _progressTic ) = *algoProgressTic + 1;
- if ( _ngMesh && _occgeom )
- if ( _isVolume )
+ if ( !_occgeom ) return 0;
+
+ double progress = -1;
+ if ( !_isVolume )
+ {
+ if ( _ticTime < 0 && netgen::multithread.task[0] == 'O'/*Optimizing surface*/ )
{
- if ( _occgeom->somap.Extent() > 1 )
- {
- int curShapeIndex = 0;
- if ( _ngMesh->GetNE() > 0 )
- {
- netgen::Element el = (*_ngMesh)[netgen::ElementIndex( _ngMesh->GetNE()-1 )];
- curShapeIndex = el.GetIndex();
- }
- if ( curShapeIndex != _curShapeIndex )
- {
- ((int&) * algoProgressTic ) = 1;
- ((int&) _curShapeIndex ) = curShapeIndex;
- }
- double progressPerShape = 1./ ( _occgeom->somap.Extent() + 1 );
- progress = progressPerShape * ( _curShapeIndex + holder->GetProgressByTic() );
- }
+ ((double&) _ticTime ) = edgeFaceMeshingTime / _totalTime / _progressTic;
}
- else
+ else if ( !_optimize /*&& _occgeom->fmap.Extent() > 1*/ )
{
- if ( _occgeom->fmap.Extent() > 1 )
+ int doneShapeIndex = -1;
+ while ( doneShapeIndex+1 < _occgeom->facemeshstatus.Size() &&
+ _occgeom->facemeshstatus[ doneShapeIndex+1 ])
+ doneShapeIndex++;
+ if ( doneShapeIndex+1 != _curShapeIndex )
{
- int doneShapeIndex = -1;
- while ( doneShapeIndex+1 < _occgeom->facemeshstatus.Size() &&
- _occgeom->facemeshstatus[ doneShapeIndex+1 ])
- doneShapeIndex++;
- if ( doneShapeIndex+1 != _curShapeIndex )
- {
- ((int&) * algoProgressTic ) = 1;
- ((int&) _curShapeIndex ) = doneShapeIndex+1;
- }
- double progressPerShape = 1./ ( _occgeom->fmap.Extent() + 1 );
- progress = progressPerShape * ( _curShapeIndex + holder->GetProgressByTic() );
+ ((int&) _curShapeIndex) = doneShapeIndex+1;
+ double doneShapeRate = _curShapeIndex / double( _occgeom->fmap.Extent() );
+ double doneTime = edgeMeshingTime + doneShapeRate * faceMeshingTime;
+ ((double&) _ticTime) = doneTime / _totalTime / _progressTic;
+ // cout << "shape " << _curShapeIndex << " _ticTime " << _ticTime
+ // << " " << doneTime / _totalTime / _progressTic << endl;
}
}
- return Min( progress, 0.98 );
+ }
+ else if ( !_optimize && _occgeom->somap.Extent() > 1 )
+ {
+ int curShapeIndex = _curShapeIndex;
+ if ( _ngMesh->GetNE() > 0 )
+ {
+ netgen::Element el = (*_ngMesh)[netgen::ElementIndex( _ngMesh->GetNE()-1 )];
+ curShapeIndex = el.GetIndex();
+ }
+ if ( curShapeIndex != _curShapeIndex )
+ {
+ ((int&) _curShapeIndex) = curShapeIndex;
+ double doneShapeRate = _curShapeIndex / double( _occgeom->somap.Extent() );
+ double doneTime = edgeFaceMeshingTime + doneShapeRate * voluMeshingTime;
+ ((double&) _ticTime) = doneTime / _totalTime / _progressTic;
+ // cout << "shape " << _curShapeIndex << " _ticTime " << _ticTime
+ // << " " << doneTime / _totalTime / _progressTic << endl;
+ }
+ }
+ if ( _ticTime > 0 )
+ progress = Max( *algoProgressTic * _ticTime, *algoProgress );
+ if ( progress > 0 )
+ {
+ ((int&) *algoProgressTic )++;
+ ((double&) *algoProgress) = progress;
+ }
+ //cout << progress << " " << *algoProgressTic << " " << netgen::multithread.task << " "<< _ticTime << endl;
+
+ return Min( progress, 0.99 );
}
//================================================================================
void NETGENPlugin_Mesher::RemoveTmpFiles()
{
- if ( SMESH_File("test.out").remove() && netgen::testout)
+ bool rm = SMESH_File("test.out").remove() ;
+#ifndef WIN32
+ if (rm && netgen::testout)
{
delete netgen::testout;
netgen::testout = 0;
}
+#endif
SMESH_File("problemfaces").remove();
SMESH_File("occmesh.rep").remove();
}
ofstream outfile(pyFile.c_str(), ios::out);
if ( !outfile ) return;
- outfile << "import smesh, SMESH" << endl
+ outfile << "import SMESH" << endl
+ << "from salome.smesh import smeshBuilder" << endl
+ << "smesh = smeshBuilder.New(salome.myStudy)" << endl
<< "mesh = smesh.Mesh()" << endl << endl;
using namespace netgen;
{
Ng_Init();
+ // redirect all netgen output (mycout,myerr,cout) to _outputFileName
_isComputeOk = false;
_outputFileName = getOutputFileName();
netgen::mycout = new ofstream ( _outputFileName.c_str() );
- netgen::myerr = netgen::mycout;
+ netgen::myerr = netgen::mycout;
+ _coutBuffer = std::cout.rdbuf();
#ifdef _DEBUG_
cout << "NOTE: netgen output is redirected to file " << _outputFileName << endl;
+#else
+ std::cout.rdbuf( netgen::mycout->rdbuf() );
#endif
+
_ngMesh = Ng_NewMesh();
}
Ng_DeleteMesh( _ngMesh );
Ng_Exit();
NETGENPlugin_Mesher::RemoveTmpFiles();
+ std::cout.rdbuf( _coutBuffer );
+#ifdef _DEBUG_
if( _isComputeOk )
+#endif
removeOutputFile();
}
TCollection_AsciiString aGenericName = (char*)aTmpDir.c_str();
aGenericName += "NETGEN_";
+#ifndef WIN32
aGenericName += getpid();
+#else
+ aGenericName += _getpid();
+#endif
aGenericName += "_";
aGenericName += Abs((Standard_Integer)(long) aGenericName.ToCString());
aGenericName += ".out";
SALOMEDS_Tool::RemoveTemporaryFiles( tmpDir.c_str(), aFiles.in(), true );
#ifdef _DEBUG_
- cout << "NOTE: netgen output log was REMOVED " << _outputFileName << endl;
+ //cout << "NOTE: netgen output log was REMOVED " << _outputFileName << endl;
#endif
}
