+// Copyright (C) 2007-2022 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, 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
+// 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
+//
+
//=============================================================================
// File : NETGENPlugin_NETGEN_3D.cxx
// Moved here from SMESH_NETGEN_3D.cxx
// Created : lundi 27 Janvier 2003
// Author : Nadir BOUHAMOU (CEA)
// Project : SALOME
-// Copyright : CEA 2003
-// $Header$
//=============================================================================
-using namespace std;
-
+//
#include "NETGENPlugin_NETGEN_3D.hxx"
-#include "SMESH_Gen.hxx"
-#include "SMESH_Mesh.hxx"
-#include "SMESH_ControlsDef.hxx"
-#include "SMESHDS_Mesh.hxx"
-#include "SMDS_MeshElement.hxx"
-#include "SMDS_MeshNode.hxx"
-
+#include "NETGENPlugin_Hypothesis.hxx"
+
+// TODO: remove use of netgen_param
+#include "NETGENPlugin_DriverParam.hxx"
+
+#include <SMDS_MeshElement.hxx>
+#include <SMDS_MeshNode.hxx>
+#include <SMESHDS_Mesh.hxx>
+#include <SMESH_Comment.hxx>
+#include <SMESH_ControlsDef.hxx>
+#include <SMESH_Gen.hxx>
+#include <SMESH_Mesh.hxx>
+#include <SMESH_MeshEditor.hxx>
+#include <SMESH_MesherHelper.hxx>
+#include <SMESH_subMesh.hxx>
+#include <StdMeshers_MaxElementVolume.hxx>
+#include <StdMeshers_QuadToTriaAdaptor.hxx>
+#include <StdMeshers_ViscousLayers.hxx>
+#include <SMESH_subMesh.hxx>
+
+
+#include <BRepGProp.hxx>
+#include <BRep_Tool.hxx>
+#include <GProp_GProps.hxx>
#include <TopExp.hxx>
+#include <TopExp_Explorer.hxx>
+#include <TopTools_ListIteratorOfListOfShape.hxx>
+#include <TopoDS.hxx>
+
+#include <Standard_Failure.hxx>
+#include <Standard_ErrorHandler.hxx>
-#include "utilities.h"
+#include <utilities.h>
#include <list>
#include <vector>
#include <map>
+#include <cstdlib>
+
/*
Netgen include files
*/
-#include "nglib.h"
+#ifndef OCCGEOMETRY
+#define OCCGEOMETRY
+#endif
+#include <occgeom.hpp>
+
+#ifdef NETGEN_V5
+#include <ngexception.hpp>
+#endif
+#ifdef NETGEN_V6
+#include <core/exception.hpp>
+#endif
+
+namespace nglib {
+#include <nglib.h>
+}
+namespace netgen {
+
+ NETGENPLUGIN_DLL_HEADER
+ extern MeshingParameters mparam;
+
+ NETGENPLUGIN_DLL_HEADER
+ extern volatile multithreadt multithread;
+}
+using namespace nglib;
+using namespace std;
//=============================================================================
/*!
- *
+ *
*/
//=============================================================================
-NETGENPlugin_NETGEN_3D::NETGENPlugin_NETGEN_3D(int hypId, int studyId,
- SMESH_Gen* gen)
- : SMESH_3D_Algo(hypId, studyId, gen)
+NETGENPlugin_NETGEN_3D::NETGENPlugin_NETGEN_3D(int hypId, SMESH_Gen* gen)
+ : SMESH_3D_Algo(hypId, gen)
{
- MESSAGE("NETGENPlugin_NETGEN_3D::NETGENPlugin_NETGEN_3D");
_name = "NETGEN_3D";
-// _shapeType = TopAbs_SOLID;
_shapeType = (1 << TopAbs_SHELL) | (1 << TopAbs_SOLID);// 1 bit /shape type
-// MESSAGE("_shapeType octal " << oct << _shapeType);
_compatibleHypothesis.push_back("MaxElementVolume");
+ _compatibleHypothesis.push_back("NETGEN_Parameters");
+ _compatibleHypothesis.push_back("ViscousLayers");
_maxElementVolume = 0.;
_hypMaxElementVolume = NULL;
+ _hypParameters = NULL;
+ _viscousLayersHyp = NULL;
+
+ _requireShape = false; // can work without shape
}
//=============================================================================
/*!
- *
+ *
*/
//=============================================================================
NETGENPlugin_NETGEN_3D::~NETGENPlugin_NETGEN_3D()
{
- MESSAGE("NETGENPlugin_NETGEN_3D::~NETGENPlugin_NETGEN_3D");
}
//=============================================================================
/*!
- *
+ *
*/
//=============================================================================
-bool NETGENPlugin_NETGEN_3D::CheckHypothesis
- (SMESH_Mesh& aMesh,
- const TopoDS_Shape& aShape,
- SMESH_Hypothesis::Hypothesis_Status& aStatus)
+bool NETGENPlugin_NETGEN_3D::CheckHypothesis (SMESH_Mesh& aMesh,
+ const TopoDS_Shape& aShape,
+ Hypothesis_Status& aStatus)
{
- MESSAGE("NETGENPlugin_NETGEN_3D::CheckHypothesis");
-
_hypMaxElementVolume = NULL;
+ _hypParameters = NULL;
+ _viscousLayersHyp = NULL;
+ _maxElementVolume = DBL_MAX;
+
+ // for correct work of GetProgress():
+ //netgen::multithread.percent = 0.;
+ //netgen::multithread.task = "Volume meshing";
+ _progressByTic = -1.;
list<const SMESHDS_Hypothesis*>::const_iterator itl;
- const SMESHDS_Hypothesis* theHyp;
+ //const SMESHDS_Hypothesis* theHyp;
- const list<const SMESHDS_Hypothesis*>& hyps = GetUsedHypothesis(aMesh, aShape);
- int nbHyp = hyps.size();
- if (!nbHyp)
+ const list<const SMESHDS_Hypothesis*>& hyps =
+ GetUsedHypothesis(aMesh, aShape, /*ignoreAuxiliary=*/false);
+ list <const SMESHDS_Hypothesis* >::const_iterator h = hyps.begin();
+ if ( h == hyps.end())
{
- aStatus = SMESH_Hypothesis::HYP_MISSING;
- return false; // can't work with no hypothesis
+ aStatus = SMESH_Hypothesis::HYP_OK;
+ return true; // can work with no hypothesis
}
- itl = hyps.begin();
- theHyp = (*itl); // use only the first hypothesis
-
- string hypName = theHyp->GetName();
-
- bool isOk = false;
-
- if (hypName == "MaxElementVolume")
+ aStatus = HYP_OK;
+ for ( ; h != hyps.end(); ++h )
{
- _hypMaxElementVolume = static_cast<const StdMeshers_MaxElementVolume*> (theHyp);
- ASSERT(_hypMaxElementVolume);
- _maxElementVolume = _hypMaxElementVolume->GetMaxVolume();
- isOk =true;
- aStatus = SMESH_Hypothesis::HYP_OK;
+ if ( !_hypMaxElementVolume )
+ _hypMaxElementVolume = dynamic_cast< const StdMeshers_MaxElementVolume*> ( *h );
+ if ( !_viscousLayersHyp ) // several _viscousLayersHyp's allowed
+ _viscousLayersHyp = dynamic_cast< const StdMeshers_ViscousLayers*> ( *h );
+ if ( ! _hypParameters )
+ _hypParameters = dynamic_cast< const NETGENPlugin_Hypothesis*> ( *h );
+
+ if ( *h != _hypMaxElementVolume &&
+ *h != _viscousLayersHyp &&
+ *h != _hypParameters &&
+ !dynamic_cast< const StdMeshers_ViscousLayers*>(*h)) // several VL hyps allowed
+ aStatus = HYP_INCOMPATIBLE;
}
- else
- aStatus = SMESH_Hypothesis::HYP_INCOMPATIBLE;
+ if ( _hypMaxElementVolume && _hypParameters )
+ aStatus = HYP_INCOMPATIBLE;
+ else if ( aStatus == HYP_OK && _viscousLayersHyp )
+ error( _viscousLayersHyp->CheckHypothesis( aMesh, aShape, aStatus ));
+
+ if ( _hypMaxElementVolume )
+ _maxElementVolume = _hypMaxElementVolume->GetMaxVolume();
- return isOk;
+ return aStatus == HYP_OK;
}
+
+
//=============================================================================
/*!
*Here we are going to use the NETGEN mesher
*/
//=============================================================================
-bool NETGENPlugin_NETGEN_3D::Compute(SMESH_Mesh& aMesh,
- const TopoDS_Shape& aShape)
+/**
+ * @brief Get an iterator on the Surface element with their orientation
+ *
+ */
+
+bool NETGENPlugin_NETGEN_3D::getSurfaceElements(
+ SMESH_Mesh& aMesh,
+ const TopoDS_Shape& aShape,
+ SMESH_ProxyMesh::Ptr proxyMesh,
+ NETGENPlugin_Internals &internals,
+ SMESH_MesherHelper &helper,
+ netgen_params &aParams,
+ std::map<const SMDS_MeshElement*, tuple<bool, bool>>& listElements
+)
{
- MESSAGE("NETGENPlugin_NETGEN_3D::Compute with maxElmentsize = " << _maxElementVolume);
+ SMESHDS_Mesh* meshDS = aMesh.GetMeshDS();
+ TopAbs_ShapeEnum mainType = aMesh.GetShapeToMesh().ShapeType();
+ bool checkReverse = ( mainType == TopAbs_COMPOUND || mainType == TopAbs_COMPSOLID );
+
+ for ( TopExp_Explorer exFa( aShape, TopAbs_FACE ); exFa.More(); exFa.Next())
+ {
+ const TopoDS_Shape& aShapeFace = exFa.Current();
+ int faceID = meshDS->ShapeToIndex( aShapeFace );
+ bool isInternalFace = internals.isInternalShape( faceID );
+ bool isRev = false;
+ if ( checkReverse && !isInternalFace &&
+ helper.NbAncestors(aShapeFace, aMesh, aShape.ShapeType()) > 1 )
+ // IsReversedSubMesh() can work wrong on strongly curved faces,
+ // so we use it as less as possible
+ isRev = helper.IsReversedSubMesh( TopoDS::Face( aShapeFace ));
+
+ const SMESHDS_SubMesh * aSubMeshDSFace = proxyMesh->GetSubMesh( aShapeFace );
+ if ( !aSubMeshDSFace ) continue;
+
+ SMDS_ElemIteratorPtr iteratorElem = aSubMeshDSFace->GetElements();
+ if ( aParams._quadraticMesh &&
+ dynamic_cast< const SMESH_ProxyMesh::SubMesh*>( aSubMeshDSFace ))
+ {
+ // add medium nodes of proxy triangles to helper (#16843)
+ while ( iteratorElem->more() )
+ helper.AddTLinks( static_cast< const SMDS_MeshFace* >( iteratorElem->next() ));
+
+ iteratorElem = aSubMeshDSFace->GetElements();
+ }
+ while(iteratorElem->more()){
+ const SMDS_MeshElement* elem = iteratorElem->next();
+ // check mesh face
+ if ( !elem ){
+ aParams._error = COMPERR_BAD_INPUT_MESH;
+ aParams._comment = "Null element encounters";
+ return true;
+ }
+ if ( elem->NbCornerNodes() != 3 ){
+ aParams._error = COMPERR_BAD_INPUT_MESH;
+ aParams._comment = "Not triangle element encounters";
+ return true;
+ }
+ listElements[elem] = tuple(isRev, isInternalFace);
+ }
+ }
+
+ return false;
+}
+
+
+bool NETGENPlugin_NETGEN_3D::computeFillNgMesh(
+ SMESH_Mesh& aMesh,
+ const TopoDS_Shape& aShape,
+ vector< const SMDS_MeshNode* > &nodeVec,
+ NETGENPlugin_NetgenLibWrapper &ngLib,
+ SMESH_MesherHelper &helper,
+ netgen_params &aParams,
+ int &Netgen_NbOfNodes)
+{
+ netgen::multithread.terminate = 0;
+ netgen::multithread.task = "Volume meshing";
+ aParams._progressByTic = -1.;
SMESHDS_Mesh* meshDS = aMesh.GetMeshDS();
- // -------------------------------------------------------------------
- // get triangles on aShell and make a map of nodes to Netgen node IDs
- // -------------------------------------------------------------------
+ aParams._quadraticMesh = helper.IsQuadraticSubMesh(aShape);
+ helper.SetElementsOnShape( true );
- typedef map< const SMDS_MeshNode*, int> TNodeToIDMap;
- TNodeToIDMap nodeToNetgenID;
- list< const SMDS_MeshElement* > triangles;
- list< bool > isReversed; // orientation of triangles
+ Netgen_NbOfNodes = 0;
+ double Netgen_point[3];
+ int Netgen_triangle[3];
- SMESH::Controls::Area areaControl;
- SMESH::Controls::TSequenceOfXYZ nodesCoords;
+ Ng_Mesh * Netgen_mesh = (Ng_Mesh*)ngLib._ngMesh;
- for (TopExp_Explorer exp(aShape,TopAbs_FACE);exp.More();exp.Next())
{
- TopoDS_Shape aShapeFace = exp.Current();
- int faceID = meshDS->ShapeToIndex( aShapeFace );
- TopoDS_Shape aMeshedFace = meshDS->IndexToShape( faceID );
- const SMESHDS_SubMesh * aSubMeshDSFace = meshDS->MeshElements( faceID );
- if ( aSubMeshDSFace )
+ const int invalid_ID = -1;
+
+ SMESH::Controls::Area areaControl;
+ SMESH::Controls::TSequenceOfXYZ nodesCoords;
+
+ // maps nodes to ng ID
+ typedef map< const SMDS_MeshNode*, int, TIDCompare > TNodeToIDMap;
+ typedef TNodeToIDMap::value_type TN2ID;
+ TNodeToIDMap nodeToNetgenID;
+
+ // find internal shapes
+ NETGENPlugin_Internals internals( aMesh, aShape, /*is3D=*/true );
+
+ // ---------------------------------
+ // Feed the Netgen with surface mesh
+ // ---------------------------------
+ bool isRev=false;
+ bool isInternalFace=false;
+
+ SMESH_ProxyMesh::Ptr proxyMesh( new SMESH_ProxyMesh( aMesh ));
+ if ( aParams._viscousLayersHyp )
+ {
+ netgen::multithread.percent = 3;
+ proxyMesh = aParams._viscousLayersHyp->Compute( aMesh, aShape );
+ if ( !proxyMesh )
+ return false;
+ }
+ if ( aMesh.NbQuadrangles() > 0 )
+ {
+ netgen::multithread.percent = 6;
+ StdMeshers_QuadToTriaAdaptor* Adaptor = new StdMeshers_QuadToTriaAdaptor;
+ Adaptor->Compute(aMesh,aShape,proxyMesh.get());
+ proxyMesh.reset( Adaptor );
+ }
+
+ std::map<const SMDS_MeshElement*, tuple<bool, bool>> listElements;
+ bool ret = getSurfaceElements(aMesh, aShape, proxyMesh, internals, helper, aParams, listElements);
+ if(ret)
+ return ret;
+
+ for ( auto const& [elem, info] : listElements ) // loop on elements on a geom face
{
- bool isRev = ( aShapeFace.Orientation() != aMeshedFace.Orientation() );
- SMDS_ElemIteratorPtr iteratorElem = aSubMeshDSFace->GetElements();
- while ( iteratorElem->more() ) // loop on elements on a face
+ isRev = get<0>(info);
+ isInternalFace = get<1>(info);
+ // Add nodes of triangles and triangles them-selves to netgen mesh
+
+ // add three nodes of triangle
+ bool hasDegen = false;
+ for ( int iN = 0; iN < 3; ++iN )
{
- // check element
- const SMDS_MeshElement* elem = iteratorElem->next();
- if ( !elem || elem->NbNodes() != 3 ) {
- INFOS( "NETGENPlugin_NETGEN_3D::Compute(), bad mesh");
- return false;
- }
- // keep a triangle
- triangles.push_back( elem );
- isReversed.push_back( isRev );
- // put elem nodes to nodeToNetgenID map
- SMDS_ElemIteratorPtr triangleNodesIt = elem->nodesIterator();
- while ( triangleNodesIt->more() ) {
- const SMDS_MeshNode * node =
- static_cast<const SMDS_MeshNode *>(triangleNodesIt->next());
- nodeToNetgenID.insert( make_pair( node, 0 ));
+ const SMDS_MeshNode* node = elem->GetNode( iN );
+ const int shapeID = node->getshapeId();
+ if ( node->GetPosition()->GetTypeOfPosition() == SMDS_TOP_EDGE &&
+ helper.IsDegenShape( shapeID ))
+ {
+ // ignore all nodes on degeneraged edge and use node on its vertex instead
+ TopoDS_Shape vertex = TopoDS_Iterator( meshDS->IndexToShape( shapeID )).Value();
+ node = SMESH_Algo::VertexNode( TopoDS::Vertex( vertex ), meshDS );
+ hasDegen = true;
}
-#ifdef _DEBUG_
- // check if a trainge is degenerated
- areaControl.GetPoints( elem, nodesCoords );
- double area = areaControl.GetValue( nodesCoords );
- if ( area <= DBL_MIN ) {
- MESSAGE( "Warning: Degenerated " << elem );
+ int& ngID = nodeToNetgenID.insert(TN2ID( node, invalid_ID )).first->second;
+ if ( ngID == invalid_ID )
+ {
+ ngID = ++Netgen_NbOfNodes;
+ Netgen_point [ 0 ] = node->X();
+ Netgen_point [ 1 ] = node->Y();
+ Netgen_point [ 2 ] = node->Z();
+ Ng_AddPoint(Netgen_mesh, Netgen_point);
}
-#endif
+ Netgen_triangle[ isRev ? 2-iN : iN ] = ngID;
}
+ // add triangle
+ if ( hasDegen && (Netgen_triangle[0] == Netgen_triangle[1] ||
+ Netgen_triangle[0] == Netgen_triangle[2] ||
+ Netgen_triangle[2] == Netgen_triangle[1] ))
+ continue;
+
+ Ng_AddSurfaceElement(Netgen_mesh, NG_TRIG, Netgen_triangle);
+
+ if ( isInternalFace && !proxyMesh->IsTemporary( elem ))
+ {
+ swap( Netgen_triangle[1], Netgen_triangle[2] );
+ Ng_AddSurfaceElement(Netgen_mesh, NG_TRIG, Netgen_triangle);
+ }
+ } // loop on elements on a face
+
+ // insert old nodes into nodeVec
+ nodeVec.resize( nodeToNetgenID.size() + 1, 0 );
+ TNodeToIDMap::iterator n_id = nodeToNetgenID.begin();
+ for ( ; n_id != nodeToNetgenID.end(); ++n_id )
+ nodeVec[ n_id->second ] = n_id->first;
+ nodeToNetgenID.clear();
+
+ if ( internals.hasInternalVertexInSolid() )
+ {
+ netgen::OCCGeometry occgeo;
+ NETGENPlugin_Mesher::AddIntVerticesInSolids( occgeo,
+ (netgen::Mesh&) *Netgen_mesh,
+ nodeVec,
+ internals);
}
}
- // ---------------------------------
- // Feed the Netgen with surface mesh
- // ---------------------------------
+ Netgen_NbOfNodes = Ng_GetNP( Netgen_mesh );
+ return false;
+}
- int Netgen_NbOfNodes = nodeToNetgenID.size();
- int Netgen_param2ndOrder = 0;
- double Netgen_paramFine = 1.;
- double Netgen_paramSize = _maxElementVolume;
+bool NETGENPlugin_NETGEN_3D::computePrepareParam(
+ SMESH_Mesh& aMesh,
+ NETGENPlugin_NetgenLibWrapper &ngLib,
+ netgen::OCCGeometry &occgeo,
+ SMESH_MesherHelper &helper,
+ netgen_params &aParams,
+ int &endWith)
- double Netgen_point[3];
- int Netgen_triangle[3];
- int Netgen_tetrahedron[4];
+{
+ netgen::multithread.terminate = 0;
- Ng_Init();
+ netgen::Mesh* ngMesh = ngLib._ngMesh;
- Ng_Mesh * Netgen_mesh = Ng_NewMesh();
+ NETGENPlugin_Mesher aMesher( &aMesh, helper.GetSubShape(), /*isVolume=*/true );
- // set nodes and remember thier netgen IDs
- TNodeToIDMap::iterator n_id = nodeToNetgenID.begin();
- for ( int id = 0; n_id != nodeToNetgenID.end(); ++n_id )
- {
- const SMDS_MeshNode* node = n_id->first;
- Netgen_point [ 0 ] = node->X();
- Netgen_point [ 1 ] = node->Y();
- Netgen_point [ 2 ] = node->Z();
- n_id->second = ++id;
- Ng_AddPoint(Netgen_mesh, Netgen_point);
- }
- // set triangles
- list< const SMDS_MeshElement* >::iterator tria = triangles.begin();
- list< bool >::iterator reverse = isReversed.begin();
- for ( ; tria != triangles.end(); ++tria, ++reverse )
+
+ if ( aParams._hypParameters )
{
- int i = 0;
- SMDS_ElemIteratorPtr triangleNodesIt = (*tria)->nodesIterator();
- while ( triangleNodesIt->more() ) {
- const SMDS_MeshNode * node =
- static_cast<const SMDS_MeshNode *>(triangleNodesIt->next());
- Netgen_triangle[ *reverse ? 2 - i : i ] = nodeToNetgenID[ node ];
- ++i;
+ aMesher.SetParameters( aParams._hypParameters );
+
+ if ( !aParams._hypParameters->GetLocalSizesAndEntries().empty() ||
+ !aParams._hypParameters->GetMeshSizeFile().empty() )
+ {
+ if ( ! &ngMesh->LocalHFunction() )
+ {
+ netgen::Point3d pmin, pmax;
+ ngMesh->GetBox( pmin, pmax, 0 );
+ ngMesh->SetLocalH( pmin, pmax, aParams._hypParameters->GetGrowthRate() );
+ }
+ aMesher.SetLocalSize( occgeo, *ngMesh );
+
+ try {
+ ngMesh->LoadLocalMeshSize( netgen::mparam.meshsizefilename );
+ } catch (netgen::NgException & ex) {
+ aParams._error = COMPERR_BAD_PARMETERS;
+ aParams._comment = ex.What();
+ return false;
+ }
}
- Ng_AddSurfaceElement(Netgen_mesh, NG_TRIG, Netgen_triangle);
+ if ( !aParams._hypParameters->GetOptimize() )
+ endWith = netgen::MESHCONST_MESHVOLUME;
+ }
+ else if ( aParams._hypMaxElementVolume )
+ {
+ netgen::mparam.maxh = pow( 72, 1/6. ) * pow( aParams.maxElementVolume, 1/3. );
+ // limitVolumeSize( ngMesh, mparam.maxh ); // result is unpredictable
+ }
+ else if ( aMesh.HasShapeToMesh() )
+ {
+ aMesher.PrepareOCCgeometry( occgeo, helper.GetSubShape(), aMesh );
+ netgen::mparam.maxh = occgeo.GetBoundingBox().Diam()/2;
+ }
+ else
+ {
+ netgen::Point3d pmin, pmax;
+ ngMesh->GetBox (pmin, pmax);
+ netgen::mparam.maxh = Dist(pmin, pmax)/2;
}
- // -------------------------
- // Generate the volume mesh
- // -------------------------
+ if ( !aParams._hypParameters && aMesh.HasShapeToMesh() )
+ {
+ netgen::mparam.minh = aMesher.GetDefaultMinSize( helper.GetSubShape(), netgen::mparam.maxh );
+ }
+ return false;
+}
- Ng_Meshing_Parameters Netgen_param;
+bool NETGENPlugin_NETGEN_3D::computeRunMesher(
+ netgen::OCCGeometry &occgeo,
+ vector< const SMDS_MeshNode* > &nodeVec,
+ netgen::Mesh* ngMesh,
+ NETGENPlugin_NetgenLibWrapper &ngLib,
+ netgen_params &aParams,
+ int &startWith, int &endWith)
+{
+ int err = 1;
+
+ try
+ {
+ OCC_CATCH_SIGNALS;
- Netgen_param.secondorder = Netgen_param2ndOrder;
- Netgen_param.fineness = Netgen_paramFine;
- Netgen_param.maxh = Netgen_paramSize;
+ ngLib.CalcLocalH(ngMesh);
+ err = ngLib.GenerateMesh(occgeo, startWith, endWith);
- Ng_Result status;
+ if(netgen::multithread.terminate)
+ return false;
+ if ( err ){
+ aParams._comment = SMESH_Comment("Error in netgen::OCCGenerateMesh() at ") << netgen::multithread.task;
+ return true;
+ }
+ }
+ catch (Standard_Failure& ex)
+ {
+ SMESH_Comment str("Exception in netgen::OCCGenerateMesh()");
+ str << " at " << netgen::multithread.task
+ << ": " << ex.DynamicType()->Name();
+ if ( ex.GetMessageString() && strlen( ex.GetMessageString() ))
+ str << ": " << ex.GetMessageString();
+ aParams._comment = str;
+ return true;
+ }
+ catch (netgen::NgException& exc)
+ {
+ SMESH_Comment str("NgException");
+ if ( strlen( netgen::multithread.task ) > 0 )
+ str << " at " << netgen::multithread.task;
+ str << ": " << exc.What();
+ aParams._comment = str;
+ return true;
+ }
+ catch (...)
+ {
+ SMESH_Comment str("Exception in netgen::OCCGenerateMesh()");
+ if ( strlen( netgen::multithread.task ) > 0 )
+ str << " at " << netgen::multithread.task;
+ aParams._comment = str;
+ return true;
+ }
- try {
- status = Ng_GenerateVolumeMesh(Netgen_mesh, &Netgen_param);
- } catch (...) {
- MESSAGE("An exception has been caught during the Volume Mesh Generation ...");
- status = NG_VOLUME_FAILURE;
+ if ( err )
+ {
+ SMESH_ComputeErrorPtr ce = NETGENPlugin_Mesher::ReadErrors(nodeVec);
+ if ( ce && ce->HasBadElems() ){
+ aParams._error = ce->myName;
+ aParams._comment = ce->myComment;
+ return true;
+ }
}
+ return false;
+}
+
+bool NETGENPlugin_NETGEN_3D::computeFillMesh(
+ vector< const SMDS_MeshNode* > &nodeVec,
+ NETGENPlugin_NetgenLibWrapper &ngLib,
+ SMESH_MesherHelper &helper,
+ int &Netgen_NbOfNodes
+ )
+{
+ Ng_Mesh* Netgen_mesh = ngLib.ngMesh();
+
int Netgen_NbOfNodesNew = Ng_GetNP(Netgen_mesh);
+ int Netgen_NbOfTetra = Ng_GetNE(Netgen_mesh);
- int Netgen_NbOfTetra = Ng_GetNE(Netgen_mesh);
+ bool isOK = ( /*status == NG_OK &&*/ Netgen_NbOfTetra > 0 );// get whatever built
+ if ( isOK )
+ {
+ double Netgen_point[3];
+ int Netgen_tetrahedron[4];
- MESSAGE("End of Volume Mesh Generation. status=" << status <<
- ", nb new nodes: " << Netgen_NbOfNodesNew - Netgen_NbOfNodes <<
- ", nb tetra: " << Netgen_NbOfTetra);
+ // create and insert new nodes into nodeVec
+ nodeVec.resize( Netgen_NbOfNodesNew + 1, 0 );
+ int nodeIndex = Netgen_NbOfNodes + 1;
+ for ( ; nodeIndex <= Netgen_NbOfNodesNew; ++nodeIndex )
+ {
+ Ng_GetPoint( Netgen_mesh, nodeIndex, Netgen_point );
+ nodeVec.at(nodeIndex) = helper.AddNode(Netgen_point[0], Netgen_point[1], Netgen_point[2]);
+ }
+
+ // create tetrahedrons
+ for ( int elemIndex = 1; elemIndex <= Netgen_NbOfTetra; ++elemIndex )
+ {
+ Ng_GetVolumeElement(Netgen_mesh, elemIndex, Netgen_tetrahedron);
+ try
+ {
+ helper.AddVolume (nodeVec.at( Netgen_tetrahedron[0] ),
+ nodeVec.at( Netgen_tetrahedron[1] ),
+ nodeVec.at( Netgen_tetrahedron[2] ),
+ nodeVec.at( Netgen_tetrahedron[3] ));
+ }
+ catch (...)
+ {
+ }
+ }
+ }
+ return false;
+}
+
+bool NETGENPlugin_NETGEN_3D::Compute(
+ SMESH_Mesh& aMesh,
+ const TopoDS_Shape& aShape)
+{
+ // vector of nodes in which node index == netgen ID
+ vector< const SMDS_MeshNode* > nodeVec;
+ NETGENPlugin_NetgenLibWrapper ngLib;
+ SMESH_MesherHelper helper(aMesh);
+ int startWith = netgen::MESHCONST_MESHVOLUME;
+ int endWith = netgen::MESHCONST_OPTVOLUME;
+ int Netgen_NbOfNodes;
+
+ netgen_params aParams;
+
+ aParams._hypParameters = const_cast<NETGENPlugin_Hypothesis*>(_hypParameters);
+ aParams._hypMaxElementVolume = const_cast<StdMeshers_MaxElementVolume*>(_hypMaxElementVolume);
+ aParams.maxElementVolume = _maxElementVolume;
+ aParams._progressByTic = _progressByTic;
+ aParams._quadraticMesh = _quadraticMesh;
+ aParams._viscousLayersHyp = const_cast<StdMeshers_ViscousLayers*>(_viscousLayersHyp);
+
+ bool ret;
+ ret = computeFillNgMesh(aMesh, aShape, nodeVec, ngLib, helper, aParams, Netgen_NbOfNodes);
+ if(ret)
+ return error( aParams._error, aParams._comment);
+
+ netgen::OCCGeometry occgeo;
+ computePrepareParam(aMesh, ngLib, occgeo, helper, aParams, endWith);
+ ret = computeRunMesher(occgeo, nodeVec, ngLib._ngMesh, ngLib, aParams, startWith, endWith);
+ if(ret){
+ if(aParams._error)
+ return error(aParams._error, aParams._comment);
+
+ error(aParams._comment);
+ return true;
+ }
+ computeFillMesh(nodeVec, ngLib, helper, Netgen_NbOfNodes);
+
+ return false;
+
+}
+
+//================================================================================
+/*!
+ * \brief set parameters and generate the volume mesh
+ */
+//================================================================================
+
+bool NETGENPlugin_NETGEN_3D::compute(SMESH_Mesh& aMesh,
+ SMESH_MesherHelper& helper,
+ vector< const SMDS_MeshNode* >& nodeVec,
+ NETGENPlugin_NetgenLibWrapper& ngLib)
+{
+ auto time0 = std::chrono::high_resolution_clock::now();
+
+ netgen::multithread.terminate = 0;
+
+ netgen::Mesh* ngMesh = ngLib._ngMesh;
+ Ng_Mesh* Netgen_mesh = ngLib.ngMesh();
+ int Netgen_NbOfNodes = Ng_GetNP( Netgen_mesh );
+
+ int startWith = netgen::MESHCONST_MESHVOLUME;
+ int endWith = netgen::MESHCONST_OPTVOLUME;
+ int err = 1;
+
+ NETGENPlugin_Mesher aMesher( &aMesh, helper.GetSubShape(), /*isVolume=*/true );
+ netgen::OCCGeometry occgeo;
+
+ if ( _hypParameters )
+ {
+ aMesher.SetParameters( _hypParameters );
+
+ if ( !_hypParameters->GetLocalSizesAndEntries().empty() ||
+ !_hypParameters->GetMeshSizeFile().empty() )
+ {
+ if ( ! &ngMesh->LocalHFunction() )
+ {
+ netgen::Point3d pmin, pmax;
+ ngMesh->GetBox( pmin, pmax, 0 );
+ ngMesh->SetLocalH( pmin, pmax, _hypParameters->GetGrowthRate() );
+ }
+ aMesher.SetLocalSize( occgeo, *ngMesh );
+
+ try {
+ ngMesh->LoadLocalMeshSize( netgen::mparam.meshsizefilename );
+ } catch (netgen::NgException & ex) {
+ return error( COMPERR_BAD_PARMETERS, ex.What() );
+ }
+ }
+ if ( !_hypParameters->GetOptimize() )
+ endWith = netgen::MESHCONST_MESHVOLUME;
+ }
+ else if ( _hypMaxElementVolume )
+ {
+ netgen::mparam.maxh = pow( 72, 1/6. ) * pow( _maxElementVolume, 1/3. );
+ // limitVolumeSize( ngMesh, mparam.maxh ); // result is unpredictable
+ }
+ else if ( aMesh.HasShapeToMesh() )
+ {
+ aMesher.PrepareOCCgeometry( occgeo, helper.GetSubShape(), aMesh );
+ netgen::mparam.maxh = occgeo.GetBoundingBox().Diam()/2;
+ }
+ else
+ {
+ netgen::Point3d pmin, pmax;
+ ngMesh->GetBox (pmin, pmax);
+ netgen::mparam.maxh = Dist(pmin, pmax)/2;
+ }
+
+ if ( !_hypParameters && aMesh.HasShapeToMesh() )
+ {
+ netgen::mparam.minh = aMesher.GetDefaultMinSize( helper.GetSubShape(), netgen::mparam.maxh );
+ }
+
+ try
+ {
+ OCC_CATCH_SIGNALS;
+ auto time0 = std::chrono::high_resolution_clock::now();
+
+ ngLib.CalcLocalH(ngMesh);
+ err = ngLib.GenerateMesh(occgeo, startWith, endWith);
+
+ if(netgen::multithread.terminate)
+ return false;
+ if ( err )
+ error(SMESH_Comment("Error in netgen::OCCGenerateMesh() at ") << netgen::multithread.task);
+ }
+ catch (Standard_Failure& ex)
+ {
+ SMESH_Comment str("Exception in netgen::OCCGenerateMesh()");
+ str << " at " << netgen::multithread.task
+ << ": " << ex.DynamicType()->Name();
+ if ( ex.GetMessageString() && strlen( ex.GetMessageString() ))
+ str << ": " << ex.GetMessageString();
+ error(str);
+ }
+ catch (netgen::NgException& exc)
+ {
+ SMESH_Comment str("NgException");
+ if ( strlen( netgen::multithread.task ) > 0 )
+ str << " at " << netgen::multithread.task;
+ str << ": " << exc.What();
+ error(str);
+ }
+ catch (...)
+ {
+ SMESH_Comment str("Exception in netgen::OCCGenerateMesh()");
+ if ( strlen( netgen::multithread.task ) > 0 )
+ str << " at " << netgen::multithread.task;
+ error(str);
+ }
+ auto time1 = std::chrono::high_resolution_clock::now();
+ auto elapsed = std::chrono::duration_cast<std::chrono::nanoseconds>(time1-time0);
+ std::cout << "Time for seq:compute: " << elapsed.count() * 1e-9 << std::endl;
+
+ int Netgen_NbOfNodesNew = Ng_GetNP(Netgen_mesh);
+ int Netgen_NbOfTetra = Ng_GetNE(Netgen_mesh);
// -------------------------------------------------------------------
// Feed back the SMESHDS with the generated Nodes and Volume Elements
// -------------------------------------------------------------------
- bool isOK = ( status == NG_OK && Netgen_NbOfTetra > 0 );
+ if ( err )
+ {
+ SMESH_ComputeErrorPtr ce = NETGENPlugin_Mesher::ReadErrors(nodeVec);
+ if ( ce && ce->HasBadElems() )
+ error( ce );
+ }
+
+ bool isOK = ( /*status == NG_OK &&*/ Netgen_NbOfTetra > 0 );// get whatever built
if ( isOK )
{
- // vector of nodes in which node index == netgen ID
- vector< const SMDS_MeshNode* > nodeVec ( Netgen_NbOfNodesNew + 1 );
- // insert old nodes into nodeVec
- for ( n_id = nodeToNetgenID.begin(); n_id != nodeToNetgenID.end(); ++n_id )
- nodeVec[ n_id->second ] = n_id->first;
+ double Netgen_point[3];
+ int Netgen_tetrahedron[4];
+
// create and insert new nodes into nodeVec
+ nodeVec.resize( Netgen_NbOfNodesNew + 1, 0 );
int nodeIndex = Netgen_NbOfNodes + 1;
- int shapeID = meshDS->ShapeToIndex( aShape );
for ( ; nodeIndex <= Netgen_NbOfNodesNew; ++nodeIndex )
{
Ng_GetPoint( Netgen_mesh, nodeIndex, Netgen_point );
- SMDS_MeshNode * node = meshDS->AddNode(Netgen_point[0],
- Netgen_point[1],
- Netgen_point[2]);
- meshDS->SetNodeInVolume(node, shapeID);
- nodeVec[nodeIndex] = node;
+ nodeVec.at(nodeIndex) = helper.AddNode(Netgen_point[0], Netgen_point[1], Netgen_point[2]);
}
// create tetrahedrons
for ( int elemIndex = 1; elemIndex <= Netgen_NbOfTetra; ++elemIndex )
{
Ng_GetVolumeElement(Netgen_mesh, elemIndex, Netgen_tetrahedron);
- SMDS_MeshVolume * elt = meshDS->AddVolume (nodeVec[ Netgen_tetrahedron[0] ],
- nodeVec[ Netgen_tetrahedron[1] ],
- nodeVec[ Netgen_tetrahedron[2] ],
- nodeVec[ Netgen_tetrahedron[3] ]);
- meshDS->SetMeshElementOnShape(elt, shapeID );
+ try
+ {
+ helper.AddVolume (nodeVec.at( Netgen_tetrahedron[0] ),
+ nodeVec.at( Netgen_tetrahedron[1] ),
+ nodeVec.at( Netgen_tetrahedron[2] ),
+ nodeVec.at( Netgen_tetrahedron[3] ));
+ }
+ catch (...)
+ {
+ }
}
}
+ auto time2 = std::chrono::high_resolution_clock::now();
+ elapsed = std::chrono::duration_cast<std::chrono::nanoseconds>(time2-time1);
+ std::cout << "Time for seq:compute: " << elapsed.count() * 1e-9 << std::endl;
- Ng_DeleteMesh(Netgen_mesh);
- Ng_Exit();
- return isOK;
+ return !err;
}
-//=============================================================================
+//================================================================================
/*!
- *
+ * \brief Compute tetrahedral mesh from 2D mesh without geometry
*/
-//=============================================================================
+//================================================================================
-ostream & NETGENPlugin_NETGEN_3D::SaveTo(ostream & save)
+bool NETGENPlugin_NETGEN_3D::Compute(SMESH_Mesh& aMesh,
+ SMESH_MesherHelper* aHelper)
{
- return save;
-}
+ const int invalid_ID = -1;
-//=============================================================================
-/*!
- *
- */
-//=============================================================================
+ netgen::multithread.terminate = 0;
+ _progressByTic = -1.;
+
+ SMESH_MesherHelper::MType MeshType = aHelper->IsQuadraticMesh();
+ if ( MeshType == SMESH_MesherHelper::COMP )
+ return error( COMPERR_BAD_INPUT_MESH,
+ SMESH_Comment("Mesh with linear and quadratic elements given"));
-istream & NETGENPlugin_NETGEN_3D::LoadFrom(istream & load)
+ aHelper->SetIsQuadratic( MeshType == SMESH_MesherHelper::QUADRATIC );
+
+ // ---------------------------------
+ // Feed the Netgen with surface mesh
+ // ---------------------------------
+
+ int Netgen_NbOfNodes = 0;
+ double Netgen_point[3];
+ int Netgen_triangle[3];
+
+ NETGENPlugin_NetgenLibWrapper ngLib;
+ Ng_Mesh * Netgen_mesh = ngLib.ngMesh();
+
+ SMESH_ProxyMesh::Ptr proxyMesh( new SMESH_ProxyMesh( aMesh ));
+ if ( aMesh.NbQuadrangles() > 0 )
+ {
+ StdMeshers_QuadToTriaAdaptor* Adaptor = new StdMeshers_QuadToTriaAdaptor;
+ Adaptor->Compute(aMesh);
+ proxyMesh.reset( Adaptor );
+
+ if ( aHelper->IsQuadraticMesh() )
+ {
+ SMDS_ElemIteratorPtr fIt = proxyMesh->GetFaces();
+ while( fIt->more())
+ aHelper->AddTLinks( static_cast< const SMDS_MeshFace* >( fIt->next() ));
+ }
+ }
+
+ // maps nodes to ng ID
+ typedef map< const SMDS_MeshNode*, int, TIDCompare > TNodeToIDMap;
+ typedef TNodeToIDMap::value_type TN2ID;
+ TNodeToIDMap nodeToNetgenID;
+
+ SMDS_ElemIteratorPtr fIt = proxyMesh->GetFaces();
+ while( fIt->more())
+ {
+ // check element
+ const SMDS_MeshElement* elem = fIt->next();
+ if ( !elem )
+ return error( COMPERR_BAD_INPUT_MESH, "Null element encounters");
+ if ( elem->NbCornerNodes() != 3 )
+ return error( COMPERR_BAD_INPUT_MESH, "Not triangle element encounters");
+
+ // add three nodes of triangle
+ for ( int iN = 0; iN < 3; ++iN )
+ {
+ const SMDS_MeshNode* node = elem->GetNode( iN );
+ int& ngID = nodeToNetgenID.insert(TN2ID( node, invalid_ID )).first->second;
+ if ( ngID == invalid_ID )
+ {
+ ngID = ++Netgen_NbOfNodes;
+ Netgen_point [ 0 ] = node->X();
+ Netgen_point [ 1 ] = node->Y();
+ Netgen_point [ 2 ] = node->Z();
+ Ng_AddPoint(Netgen_mesh, Netgen_point);
+ }
+ Netgen_triangle[ iN ] = ngID;
+ }
+ Ng_AddSurfaceElement(Netgen_mesh, NG_TRIG, Netgen_triangle);
+ }
+ proxyMesh.reset(); // delete tmp faces
+
+ // vector of nodes in which node index == netgen ID
+ vector< const SMDS_MeshNode* > nodeVec ( nodeToNetgenID.size() + 1 );
+ // insert old nodes into nodeVec
+ TNodeToIDMap::iterator n_id = nodeToNetgenID.begin();
+ for ( ; n_id != nodeToNetgenID.end(); ++n_id )
+ nodeVec.at( n_id->second ) = n_id->first;
+ nodeToNetgenID.clear();
+
+ // -------------------------
+ // Generate the volume mesh
+ // -------------------------
+
+ return ( ngLib._isComputeOk = compute( aMesh, *aHelper, nodeVec, ngLib ));
+}
+
+void NETGENPlugin_NETGEN_3D::CancelCompute()
{
- return load;
+ SMESH_Algo::CancelCompute();
+ netgen::multithread.terminate = 1;
}
-//=============================================================================
+//================================================================================
/*!
- *
+ * \brief Return Compute progress
*/
-//=============================================================================
+//================================================================================
-ostream & operator << (ostream & save, NETGENPlugin_NETGEN_3D & hyp)
+double NETGENPlugin_NETGEN_3D::GetProgress() const
{
- return hyp.SaveTo( save );
+ double res;
+ const char* volMeshing = "Volume meshing";
+ const char* dlnMeshing = "Delaunay meshing";
+ const double meshingRatio = 0.15;
+ const_cast<NETGENPlugin_NETGEN_3D*>( this )->_progressTic++;
+
+ if ( _progressByTic < 0. &&
+ ( strncmp( netgen::multithread.task, dlnMeshing, 3 ) == 0 ||
+ strncmp( netgen::multithread.task, volMeshing, 3 ) == 0 ))
+ {
+ res = 0.001 + meshingRatio * netgen::multithread.percent / 100.;
+ //cout << netgen::multithread.task << " " <<_progressTic << "-" << netgen::multithread.percent << endl;
+ }
+ else // different otimizations
+ {
+ if ( _progressByTic < 0. )
+ ((NETGENPlugin_NETGEN_3D*)this)->_progressByTic = meshingRatio / _progressTic;
+ res = _progressByTic * _progressTic;
+ //cout << netgen::multithread.task << " " << _progressTic << " " << res << endl;
+ }
+ return Min ( res, 0.98 );
}
//=============================================================================
/*!
- *
+ *
*/
//=============================================================================
-istream & operator >> (istream & load, NETGENPlugin_NETGEN_3D & hyp)
+bool NETGENPlugin_NETGEN_3D::Evaluate(SMESH_Mesh& aMesh,
+ const TopoDS_Shape& aShape,
+ MapShapeNbElems& aResMap)
{
- return hyp.LoadFrom( load );
+ smIdType nbtri = 0, nbqua = 0;
+ double fullArea = 0.0;
+ for (TopExp_Explorer expF(aShape, TopAbs_FACE); expF.More(); expF.Next()) {
+ TopoDS_Face F = TopoDS::Face( expF.Current() );
+ SMESH_subMesh *sm = aMesh.GetSubMesh(F);
+ MapShapeNbElemsItr anIt = aResMap.find(sm);
+ if( anIt==aResMap.end() ) {
+ SMESH_ComputeErrorPtr& smError = sm->GetComputeError();
+ smError.reset( new SMESH_ComputeError(COMPERR_ALGO_FAILED,"Submesh can not be evaluated",this));
+ return false;
+ }
+ std::vector<smIdType> aVec = (*anIt).second;
+ nbtri += std::max(aVec[SMDSEntity_Triangle],aVec[SMDSEntity_Quad_Triangle]);
+ nbqua += std::max(aVec[SMDSEntity_Quadrangle],aVec[SMDSEntity_Quad_Quadrangle]);
+ GProp_GProps G;
+ BRepGProp::SurfaceProperties(F,G);
+ double anArea = G.Mass();
+ fullArea += anArea;
+ }
+
+ // collect info from edges
+ smIdType nb0d_e = 0, nb1d_e = 0;
+ bool IsQuadratic = false;
+ bool IsFirst = true;
+ TopTools_MapOfShape tmpMap;
+ for (TopExp_Explorer expF(aShape, TopAbs_EDGE); expF.More(); expF.Next()) {
+ TopoDS_Edge E = TopoDS::Edge(expF.Current());
+ if( tmpMap.Contains(E) )
+ continue;
+ tmpMap.Add(E);
+ SMESH_subMesh *aSubMesh = aMesh.GetSubMesh(expF.Current());
+ MapShapeNbElemsItr anIt = aResMap.find(aSubMesh);
+ if( anIt==aResMap.end() ) {
+ SMESH_ComputeErrorPtr& smError = aSubMesh->GetComputeError();
+ smError.reset( new SMESH_ComputeError(COMPERR_ALGO_FAILED,
+ "Submesh can not be evaluated",this));
+ return false;
+ }
+ std::vector<smIdType> aVec = (*anIt).second;
+ nb0d_e += aVec[SMDSEntity_Node];
+ nb1d_e += std::max(aVec[SMDSEntity_Edge],aVec[SMDSEntity_Quad_Edge]);
+ if(IsFirst) {
+ IsQuadratic = (aVec[SMDSEntity_Quad_Edge] > aVec[SMDSEntity_Edge]);
+ IsFirst = false;
+ }
+ }
+ tmpMap.Clear();
+
+ double ELen_face = sqrt(2.* ( fullArea/double(nbtri+nbqua*2) ) / sqrt(3.0) );
+ double ELen_vol = pow( 72, 1/6. ) * pow( _maxElementVolume, 1/3. );
+ double ELen = Min(ELen_vol,ELen_face*2);
+
+ GProp_GProps G;
+ BRepGProp::VolumeProperties(aShape,G);
+ double aVolume = G.Mass();
+ double tetrVol = 0.1179*ELen*ELen*ELen;
+ double CoeffQuality = 0.9;
+ smIdType nbVols = (smIdType)( aVolume/tetrVol/CoeffQuality );
+ smIdType nb1d_f = (nbtri*3 + nbqua*4 - nb1d_e) / 2;
+ smIdType nb1d_in = (nbVols*6 - nb1d_e - nb1d_f ) / 5;
+ std::vector<smIdType> aVec(SMDSEntity_Last);
+ for(smIdType i=SMDSEntity_Node; i<SMDSEntity_Last; i++) aVec[i]=0;
+ if( IsQuadratic ) {
+ aVec[SMDSEntity_Node] = nb1d_in/6 + 1 + nb1d_in;
+ aVec[SMDSEntity_Quad_Tetra] = nbVols - nbqua*2;
+ aVec[SMDSEntity_Quad_Pyramid] = nbqua;
+ }
+ else {
+ aVec[SMDSEntity_Node] = nb1d_in/6 + 1;
+ aVec[SMDSEntity_Tetra] = nbVols - nbqua*2;
+ aVec[SMDSEntity_Pyramid] = nbqua;
+ }
+ SMESH_subMesh *sm = aMesh.GetSubMesh(aShape);
+ aResMap.insert(std::make_pair(sm,aVec));
+
+ return true;
}
+
+
