#include "NETGENPlugin_SimpleHypothesis_3D.hxx"
#include <SMDS_FaceOfNodes.hxx>
+#include <SMDS_LinearEdge.hxx>
#include <SMDS_MeshElement.hxx>
#include <SMDS_MeshNode.hxx>
#include <SMESHDS_Mesh.hxx>
#include <SMESH_Block.hxx>
#include <SMESH_Comment.hxx>
#include <SMESH_ComputeError.hxx>
+#include <SMESH_ControlPnt.hxx>
#include <SMESH_File.hxx>
#include <SMESH_Gen_i.hxx>
#include <SMESH_Mesh.hxx>
std::map<int,double> VertexId2LocalSize;
std::map<int,double> EdgeId2LocalSize;
std::map<int,double> FaceId2LocalSize;
+std::map<int,double> SolidId2LocalSize;
+
+std::vector<SMESHUtils::ControlPnt> ControlPoints;
+std::set<int> ShapesWithControlPoints; // <-- allows calling SetLocalSize() several times w/o recomputing ControlPoints
//=============================================================================
/*!
VertexId2LocalSize.clear();
EdgeId2LocalSize.clear();
FaceId2LocalSize.clear();
+ SolidId2LocalSize.clear();
+ ControlPoints.clear();
+ ShapesWithControlPoints.clear();
}
//================================================================================
EdgeId2LocalSize[key] = LocalSize;
} else if (GeomType == TopAbs_FACE) {
FaceId2LocalSize[key] = LocalSize;
+ } else if (GeomType == TopAbs_SOLID) {
+ SolidId2LocalSize[key] = LocalSize;
}
}
mparams.uselocalh = hyp->GetSurfaceCurvature();
netgen::merge_solids = hyp->GetFuseEdges();
_simpleHyp = NULL;
+ // mesh size file
+ mparams.meshsizefilename= hyp->GetMeshSizeFile().empty() ? 0 : hyp->GetMeshSizeFile().c_str();
SMESH_Gen_i* smeshGen_i = SMESH_Gen_i::GetSMESHGen();
- CORBA::Object_var anObject = smeshGen_i->GetNS()->Resolve("/myStudyManager");
- SALOMEDS::StudyManager_var aStudyMgr = SALOMEDS::StudyManager::_narrow(anObject);
- SALOMEDS::Study_var myStudy = aStudyMgr->GetStudyByID(hyp->GetStudyId());
-
- const NETGENPlugin_Hypothesis::TLocalSize localSizes = hyp->GetLocalSizesAndEntries();
- NETGENPlugin_Hypothesis::TLocalSize::const_iterator it = localSizes.begin();
- for ( ; it != localSizes.end() ; it++)
+ CORBA::Object_var anObject = smeshGen_i->GetNS()->Resolve("/Study");
+ SALOMEDS::Study_var myStudy = SALOMEDS::Study::_narrow(anObject);
+ if ( !myStudy->_is_nil() )
{
- std::string entry = (*it).first;
- double val = (*it).second;
- // --
- GEOM::GEOM_Object_var aGeomObj;
- SALOMEDS::SObject_var aSObj = myStudy->FindObjectID( entry.c_str() );
- if ( !aSObj->_is_nil() ) {
- CORBA::Object_var obj = aSObj->GetObject();
- aGeomObj = GEOM::GEOM_Object::_narrow(obj);
- aSObj->UnRegister();
+ const NETGENPlugin_Hypothesis::TLocalSize localSizes = hyp->GetLocalSizesAndEntries();
+ NETGENPlugin_Hypothesis::TLocalSize::const_iterator it = localSizes.begin();
+ for ( ; it != localSizes.end() ; it++)
+ {
+ std::string entry = (*it).first;
+ double val = (*it).second;
+ // --
+ GEOM::GEOM_Object_var aGeomObj;
+ SALOMEDS::SObject_var aSObj = myStudy->FindObjectID( entry.c_str() );
+ if ( !aSObj->_is_nil() ) {
+ CORBA::Object_var obj = aSObj->GetObject();
+ aGeomObj = GEOM::GEOM_Object::_narrow(obj);
+ aSObj->UnRegister();
+ }
+ TopoDS_Shape S = smeshGen_i->GeomObjectToShape( aGeomObj.in() );
+ ::SetLocalSize(S, val);
}
- TopoDS_Shape S = smeshGen_i->GeomObjectToShape( aGeomObj.in() );
- SetLocalSize(S, val);
}
}
}
*/
//================================================================================
- void makeQuadratic( const TopTools_IndexedMapOfShape& shapes,
- SMESH_Mesh* mesh )
+ // void makeQuadratic( const TopTools_IndexedMapOfShape& shapes,
+ // SMESH_Mesh* mesh )
+ // {
+ // for ( int i = 1; i <= shapes.Extent(); ++i )
+ // {
+ // SMESHDS_SubMesh* smDS = mesh->GetMeshDS()->MeshElements( shapes(i) );
+ // if ( !smDS ) continue;
+ // SMDS_ElemIteratorPtr elemIt = smDS->GetElements();
+ // if ( !elemIt->more() ) continue;
+ // const SMDS_MeshElement* e = elemIt->next();
+ // if ( !e || e->IsQuadratic() )
+ // continue;
+
+ // TIDSortedElemSet elems;
+ // elems.insert( e );
+ // while ( elemIt->more() )
+ // elems.insert( elems.end(), elemIt->next() );
+
+ // SMESH_MeshEditor( mesh ).ConvertToQuadratic( /*3d=*/false, elems, /*biQuad=*/false );
+ // }
+ // }
+
+ //================================================================================
+ /*!
+ * \brief Restrict size of elements on the given edge
+ */
+ //================================================================================
+
+ void setLocalSize(const TopoDS_Edge& edge,
+ double size,
+ netgen::Mesh& mesh)
{
- for ( int i = 1; i <= shapes.Extent(); ++i )
+ if ( size <= std::numeric_limits<double>::min() )
+ return;
+ Standard_Real u1, u2;
+ Handle(Geom_Curve) curve = BRep_Tool::Curve(edge, u1, u2);
+ if ( curve.IsNull() )
{
- SMESHDS_SubMesh* smDS = mesh->GetMeshDS()->MeshElements( shapes(i) );
- if ( !smDS ) continue;
- SMDS_ElemIteratorPtr elemIt = smDS->GetElements();
- if ( !elemIt->more() ) continue;
- const SMDS_MeshElement* e = elemIt->next();
- if ( !e || e->IsQuadratic() )
- continue;
+ TopoDS_Iterator vIt( edge );
+ if ( !vIt.More() ) return;
+ gp_Pnt p = BRep_Tool::Pnt( TopoDS::Vertex( vIt.Value() ));
+ NETGENPlugin_Mesher::RestrictLocalSize( mesh, p.XYZ(), size );
+ }
+ else
+ {
+ const int nb = (int)( 1.5 * SMESH_Algo::EdgeLength( edge ) / size );
+ Standard_Real delta = (u2-u1)/nb;
+ for(int i=0; i<nb; i++)
+ {
+ Standard_Real u = u1 + delta*i;
+ gp_Pnt p = curve->Value(u);
+ NETGENPlugin_Mesher::RestrictLocalSize( mesh, p.XYZ(), size );
+ netgen::Point3d pi(p.X(), p.Y(), p.Z());
+ double resultSize = mesh.GetH(pi);
+ if ( resultSize - size > 0.1*size )
+ // netgen does restriction iff oldH/newH > 1.2 (localh.cpp:136)
+ NETGENPlugin_Mesher::RestrictLocalSize( mesh, p.XYZ(), resultSize/1.201 );
+ }
+ }
+ }
+} // namespace
- TIDSortedElemSet elems;
- elems.insert( e );
- while ( elemIt->more() )
- elems.insert( elems.end(), elemIt->next() );
+//================================================================================
+/*!
+ * \brief Set local size on shapes defined by SetParameters()
+ */
+//================================================================================
- SMESH_MeshEditor( mesh ).ConvertToQuadratic( /*3d=*/false, elems, /*biQuad=*/false );
+void NETGENPlugin_Mesher::SetLocalSize( netgen::OCCGeometry& occgeo,
+ netgen::Mesh& ngMesh )
+{
+ for(std::map<int,double>::const_iterator it=EdgeId2LocalSize.begin(); it!=EdgeId2LocalSize.end(); it++)
+ {
+ int key = (*it).first;
+ double hi = (*it).second;
+ const TopoDS_Shape& shape = ShapesWithLocalSize.FindKey(key);
+ setLocalSize( TopoDS::Edge(shape), hi, ngMesh );
+ }
+ for(std::map<int,double>::const_iterator it=VertexId2LocalSize.begin(); it!=VertexId2LocalSize.end(); it++)
+ {
+ int key = (*it).first;
+ double hi = (*it).second;
+ const TopoDS_Shape& shape = ShapesWithLocalSize.FindKey(key);
+ gp_Pnt p = BRep_Tool::Pnt( TopoDS::Vertex(shape) );
+ NETGENPlugin_Mesher::RestrictLocalSize( ngMesh, p.XYZ(), hi );
+ }
+ for(map<int,double>::const_iterator it=FaceId2LocalSize.begin(); it!=FaceId2LocalSize.end(); it++)
+ {
+ int key = (*it).first;
+ double val = (*it).second;
+ const TopoDS_Shape& shape = ShapesWithLocalSize.FindKey(key);
+ int faceNgID = occgeo.fmap.FindIndex(shape);
+ if ( faceNgID >= 1 )
+ {
+ occgeo.SetFaceMaxH(faceNgID, val);
+ for ( TopExp_Explorer edgeExp( shape, TopAbs_EDGE ); edgeExp.More(); edgeExp.Next() )
+ setLocalSize( TopoDS::Edge( edgeExp.Current() ), val, ngMesh );
+ }
+ else if ( !ShapesWithControlPoints.count( key ))
+ {
+ SMESHUtils::createPointsSampleFromFace( TopoDS::Face( shape ), val, ControlPoints );
+ ShapesWithControlPoints.insert( key );
+ }
+ }
+ for(map<int,double>::const_iterator it=SolidId2LocalSize.begin(); it!=SolidId2LocalSize.end(); it++)
+ {
+ int key = (*it).first;
+ double val = (*it).second;
+ if ( !ShapesWithControlPoints.count( key ))
+ {
+ const TopoDS_Shape& shape = ShapesWithLocalSize.FindKey(key);
+ SMESHUtils::createPointsSampleFromSolid( TopoDS::Solid( shape ), val, ControlPoints );
+ ShapesWithControlPoints.insert( key );
}
}
+ if ( !ControlPoints.empty() )
+ {
+ for ( size_t i = 0; i < ControlPoints.size(); ++i )
+ NETGENPlugin_Mesher::RestrictLocalSize( ngMesh, ControlPoints[i].XYZ(), ControlPoints[i].Size() );
+ }
}
//================================================================================
namespace
{
- //================================================================================
- /*!
- * \brief Restrict size of elements on the given edge
- */
- //================================================================================
-
- void setLocalSize(const TopoDS_Edge& edge,
- double size,
- netgen::Mesh& mesh)
- {
- if ( size <= std::numeric_limits<double>::min() )
- return;
- Standard_Real u1, u2;
- Handle(Geom_Curve) curve = BRep_Tool::Curve(edge, u1, u2);
- if ( curve.IsNull() )
- {
- TopoDS_Iterator vIt( edge );
- if ( !vIt.More() ) return;
- gp_Pnt p = BRep_Tool::Pnt( TopoDS::Vertex( vIt.Value() ));
- NETGENPlugin_Mesher::RestrictLocalSize( mesh, p.XYZ(), size );
- }
- else
- {
- const int nb = (int)( 1.5 * SMESH_Algo::EdgeLength( edge ) / size );
- Standard_Real delta = (u2-u1)/nb;
- for(int i=0; i<nb; i++)
- {
- Standard_Real u = u1 + delta*i;
- gp_Pnt p = curve->Value(u);
- NETGENPlugin_Mesher::RestrictLocalSize( mesh, p.XYZ(), size );
- netgen::Point3d pi(p.X(), p.Y(), p.Z());
- double resultSize = mesh.GetH(pi);
- if ( resultSize - size > 0.1*size )
- // netgen does restriction iff oldH/newH > 1.2 (localh.cpp:136)
- NETGENPlugin_Mesher::RestrictLocalSize( mesh, p.XYZ(), resultSize/1.201 );
- }
- }
- }
-
//================================================================================
/*!
* \brief Convert error into text
NETGENPlugin_NetgenLibWrapper ngLib;
netgen::MeshingParameters& mparams = netgen::mparam;
- MESSAGE("Compute with:\n"
- " max size = " << mparams.maxh << "\n"
- " segments per edge = " << mparams.segmentsperedge);
- MESSAGE("\n"
- " growth rate = " << mparams.grading << "\n"
- " elements per radius = " << mparams.curvaturesafety << "\n"
- " second order = " << mparams.secondorder << "\n"
- " quad allowed = " << mparams.quad << "\n"
- " surface curvature = " << mparams.uselocalh << "\n"
- " fuse edges = " << netgen::merge_solids);
SMESH_ComputeErrorPtr error = SMESH_ComputeError::New();
SMESH_MesherHelper quadHelper( *_mesh );
{
comment << text(ex);
}
+ catch (netgen::NgException & ex)
+ {
+ comment << text(ex);
+ if ( mparams.meshsizefilename )
+ throw SMESH_ComputeError(COMPERR_BAD_PARMETERS, comment );
+ }
err = 0; //- MESHCONST_ANALYSE isn't so important step
if ( !_ngMesh )
return false;
_ngMesh->ClearFaceDescriptors(); // we make descriptors our-self
+ if ( !mparams.uselocalh ) // mparams.grading is not taken into account yet
+ _ngMesh->LocalHFunction().SetGrading( mparams.grading );
+
if ( _simpleHyp )
{
// Pass 1D simple parameters to NETGEN
}
else // if ( ! _simpleHyp )
{
- // Local size on vertices and edges
- // --------------------------------
- for(std::map<int,double>::const_iterator it=EdgeId2LocalSize.begin(); it!=EdgeId2LocalSize.end(); it++)
- {
- int key = (*it).first;
- double hi = (*it).second;
- const TopoDS_Shape& shape = ShapesWithLocalSize.FindKey(key);
- const TopoDS_Edge& e = TopoDS::Edge(shape);
- setLocalSize( e, hi, *_ngMesh );
- }
- for(std::map<int,double>::const_iterator it=VertexId2LocalSize.begin(); it!=VertexId2LocalSize.end(); it++)
- {
- int key = (*it).first;
- double hi = (*it).second;
- const TopoDS_Shape& shape = ShapesWithLocalSize.FindKey(key);
- const TopoDS_Vertex& v = TopoDS::Vertex(shape);
- gp_Pnt p = BRep_Tool::Pnt(v);
- NETGENPlugin_Mesher::RestrictLocalSize( *_ngMesh, p.XYZ(), hi );
- }
- for(map<int,double>::const_iterator it=FaceId2LocalSize.begin();
- it!=FaceId2LocalSize.end(); it++)
- {
- int key = (*it).first;
- double val = (*it).second;
- const TopoDS_Shape& shape = ShapesWithLocalSize.FindKey(key);
- int faceNgID = occgeo.fmap.FindIndex(shape);
- occgeo.SetFaceMaxH(faceNgID, val);
- for ( TopExp_Explorer edgeExp( shape, TopAbs_EDGE ); edgeExp.More(); edgeExp.Next() )
- setLocalSize( TopoDS::Edge( edgeExp.Current() ), val, *_ngMesh );
- }
+ // Local size on shapes
+ SetLocalSize( occgeo, *_ngMesh );
}
// Precompute internal edges (issue 0020676) in order to
_ticTime = 0.98 / _progressTic;
- int nbNod = _ngMesh->GetNP();
- int nbSeg = _ngMesh->GetNSeg();
+ //int nbNod = _ngMesh->GetNP();
+ //int nbSeg = _ngMesh->GetNSeg();
int nbFac = _ngMesh->GetNSE();
int nbVol = _ngMesh->GetNE();
bool isOK = ( !err && (_isVolume ? (nbVol > 0) : (nbFac > 0)) );
}
else // if ( ! _simpleHyp )
{
- // Local size on vertices and edges
- // --------------------------------
- for(std::map<int,double>::const_iterator it=EdgeId2LocalSize.begin(); it!=EdgeId2LocalSize.end(); it++)
- {
- int key = (*it).first;
- double hi = (*it).second;
- const TopoDS_Shape& shape = ShapesWithLocalSize.FindKey(key);
- const TopoDS_Edge& e = TopoDS::Edge(shape);
- setLocalSize( e, hi, *ngMesh );
- }
- for(std::map<int,double>::const_iterator it=VertexId2LocalSize.begin(); it!=VertexId2LocalSize.end(); it++)
- {
- int key = (*it).first;
- double hi = (*it).second;
- const TopoDS_Shape& shape = ShapesWithLocalSize.FindKey(key);
- const TopoDS_Vertex& v = TopoDS::Vertex(shape);
- gp_Pnt p = BRep_Tool::Pnt(v);
- NETGENPlugin_Mesher::RestrictLocalSize( *ngMesh, p.XYZ(), hi );
- }
- for(map<int,double>::const_iterator it=FaceId2LocalSize.begin();
- it!=FaceId2LocalSize.end(); it++)
- {
- int key = (*it).first;
- double val = (*it).second;
- const TopoDS_Shape& shape = ShapesWithLocalSize.FindKey(key);
- int faceNgID = occgeo.fmap.FindIndex(shape);
- occgeo.SetFaceMaxH(faceNgID, val);
- for ( TopExp_Explorer edgeExp( shape, TopAbs_EDGE ); edgeExp.More(); edgeExp.Next() )
- setLocalSize( TopoDS::Edge( edgeExp.Current() ), val, *ngMesh );
- }
+ // Local size on shapes
+ SetLocalSize( occgeo, *ngMesh );
}
// calculate total nb of segments and length of edges
double fullLen = 0.0;
// << " " << doneTime / _totalTime / _progressTic << endl;
}
}
+
if ( _ticTime > 0 )
progress = Max( *algoProgressTic * _ticTime, *algoProgress );
+
if ( progress > 0 )
{
+ if ( _isVolume &&
+ netgen::multithread.task[0] == 'D'/*elaunay meshing*/ &&
+ progress > voluMeshingTime )
+ {
+ progress = voluMeshingTime;
+ ((double&) _ticTime) = voluMeshingTime / _totalTime / _progressTic;
+ }
((int&) *algoProgressTic )++;
((double&) *algoProgress) = progress;
}
#ifdef _DEBUG_
size_t nbBadElems = err->myBadElements.size();
- nbBadElems = 0;
+ if ( nbBadElems ) nbBadElems++; // avoid warning: variable set but not used
#endif
return err;
*/
//================================================================================
-void NETGENPlugin_Mesher::toPython( const netgen::Mesh* ngMesh,
- const std::string& pyFile)
+void NETGENPlugin_Mesher::toPython( const netgen::Mesh* ngMesh )
{
- ofstream outfile(pyFile.c_str(), ios::out);
+ const char* pyFile = "/tmp/ngMesh.py";
+ ofstream outfile( pyFile, ios::out );
if ( !outfile ) return;
outfile << "import SMESH" << endl
