-// Copyright (C) 2007-2012 CEA/DEN, EDF R&D, OPEN CASCADE
+// Copyright (C) 2007-2023 CEA, EDF, 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
#include <SMESH_Algo.hxx>
#include <SMESH_ProxyMesh.hxx>
+#include <TopTools_IndexedMapOfShape.hxx>
+
namespace nglib {
#include <nglib.h>
}
#include <vector>
#include <set>
-class SMESH_Mesh;
-class SMESH_Comment;
-class SMESHDS_Mesh;
-class TopoDS_Shape;
-class TopTools_DataMapOfShapeShape;
-class TopTools_IndexedMapOfShape;
class NETGENPlugin_Hypothesis;
-class NETGENPlugin_SimpleHypothesis_2D;
class NETGENPlugin_Internals;
+class NETGENPlugin_SimpleHypothesis_2D;
+class SMESHDS_Mesh;
+class SMESH_Comment;
+class SMESH_Mesh;
+class SMESH_MesherHelper;
+class StdMeshers_ViscousLayers;
+class TopoDS_Shape;
namespace netgen {
class OCCGeometry;
class Mesh;
struct NETGENPlugin_ngMeshInfo
{
- int _nbNodes, _nbSegments, _nbFaces, _nbVolumes;
+ int _nbNodes, _nbSegments, _nbFaces, _nbVolumes;
+ bool _elementsRemoved; // case where netgen can remove free nodes
char* _copyOfLocalH;
- NETGENPlugin_ngMeshInfo( netgen::Mesh* ngMesh=0);
+ NETGENPlugin_ngMeshInfo( netgen::Mesh* ngMesh=0, bool checkRemovedElems=false );
void transferLocalH( netgen::Mesh* fromMesh, netgen::Mesh* toMesh );
void restoreLocalH ( netgen::Mesh* ngMesh);
};
+//================================================================================
+/*!
+ * \brief It correctly initializes netgen library at constructor and
+ * correctly finishes using netgen library at destructor
+ */
+//================================================================================
+
+struct NETGENPLUGIN_EXPORT NETGENPlugin_NetgenLibWrapper
+{
+ bool _isComputeOk;
+ netgen::Mesh * _ngMesh;
+
+ NETGENPlugin_NetgenLibWrapper();
+ ~NETGENPlugin_NetgenLibWrapper();
+ void setMesh( nglib::Ng_Mesh* mesh );
+ nglib::Ng_Mesh* ngMesh() { return (nglib::Ng_Mesh*)(void*)_ngMesh; }
+
+
+
+ static int GenerateMesh(netgen::OCCGeometry& occgeo, int startWith, int endWith,
+ netgen::Mesh* & ngMesh);
+ int GenerateMesh(netgen::OCCGeometry& occgeo, int startWith, int endWith )
+ {
+ return GenerateMesh( occgeo, startWith, endWith, _ngMesh );
+ }
+
+ static void CalcLocalH( netgen::Mesh * ngMesh );
+
+ static void RemoveTmpFiles();
+ static int& instanceCounter();
+ void setOutputFile(std::string);
+
+ private:
+ std::string getOutputFileName();
+ void removeOutputFile();
+ std::string _outputFileName;
+
+ ostream * _ngcout;
+ ostream * _ngcerr;
+ std::streambuf* _coutBuffer; // to re-/store cout.rdbuf()
+};
+
//=============================================================================
/*!
* \brief This class calls the NETGEN mesher of OCC geometry
*/
//=============================================================================
-class NETGENPLUGIN_EXPORT NETGENPlugin_Mesher
+class NETGENPLUGIN_EXPORT NETGENPlugin_Mesher
{
public:
// ---------- PUBLIC METHODS ----------
NETGENPlugin_Mesher (SMESH_Mesh* mesh, const TopoDS_Shape& aShape,
const bool isVolume);
+ ~NETGENPlugin_Mesher();
+ void SetSelfPointer( NETGENPlugin_Mesher ** ptr );
void SetParameters(const NETGENPlugin_Hypothesis* hyp);
void SetParameters(const NETGENPlugin_SimpleHypothesis_2D* hyp);
+ void SetParameters(const StdMeshers_ViscousLayers* hyp );
+ void SetViscousLayers2DAssigned(bool isAssigned) { _isViscousLayers2D = isAssigned; }
+
+ void SetLocalSizeForChordalError( netgen::OCCGeometry& occgeo, netgen::Mesh& ngMesh );
+ static void SetLocalSize( netgen::OCCGeometry& occgeo, netgen::Mesh& ngMesh );
bool Compute();
bool Evaluate(MapShapeNbElems& aResMap);
+ double GetProgress(const SMESH_Algo* holder,
+ const int * algoProgressTic,
+ const double * algoProgress) const;
+
static void PrepareOCCgeometry(netgen::OCCGeometry& occgeom,
const TopoDS_Shape& shape,
SMESH_Mesh& mesh,
static double GetDefaultMinSize(const TopoDS_Shape& shape,
const double maxSize);
- static void RestrictLocalSize(netgen::Mesh& ngMesh, const gp_XYZ& p, const double size);
+ static void RestrictLocalSize(netgen::Mesh& ngMesh,
+ const gp_XYZ& p,
+ double size,
+ const bool overrideMinH=true);
static int FillSMesh(const netgen::OCCGeometry& occgeom,
netgen::Mesh& ngMesh,
const NETGENPlugin_ngMeshInfo& initState,
SMESH_Mesh& sMesh,
std::vector<const SMDS_MeshNode*>& nodeVec,
- SMESH_Comment& comment);
+ SMESH_Comment& comment,
+ SMESH_MesherHelper* quadHelper=0);
- bool fillNgMesh(netgen::OCCGeometry& occgeom,
+ bool FillNgMesh(netgen::OCCGeometry& occgeom,
netgen::Mesh& ngMesh,
std::vector<const SMDS_MeshNode*>& nodeVec,
const std::list< SMESH_subMesh* > & meshedSM,
+ SMESH_MesherHelper* quadHelper=0,
SMESH_ProxyMesh::Ptr proxyMesh=SMESH_ProxyMesh::Ptr());
- static void fixIntFaces(const netgen::OCCGeometry& occgeom,
+ static void FixIntFaces(const netgen::OCCGeometry& occgeom,
netgen::Mesh& ngMesh,
NETGENPlugin_Internals& internalShapes);
- static void addIntVerticesInFaces(const netgen::OCCGeometry& occgeom,
+ static bool FixFaceMesh(const netgen::OCCGeometry& occgeom,
+ netgen::Mesh& ngMesh,
+ const int faceID);
+
+ static void AddIntVerticesInFaces(const netgen::OCCGeometry& occgeom,
netgen::Mesh& ngMesh,
std::vector<const SMDS_MeshNode*>& nodeVec,
NETGENPlugin_Internals& internalShapes);
- static void addIntVerticesInSolids(const netgen::OCCGeometry& occgeom,
+ static void AddIntVerticesInSolids(const netgen::OCCGeometry& occgeom,
netgen::Mesh& ngMesh,
std::vector<const SMDS_MeshNode*>& nodeVec,
NETGENPlugin_Internals& internalShapes);
- void defaultParameters();
+ static SMESH_ComputeErrorPtr
+ AddSegmentsToMesh(netgen::Mesh& ngMesh,
+ netgen::OCCGeometry& geom,
+ const TSideVector& wires,
+ SMESH_MesherHelper& helper,
+ std::vector< const SMDS_MeshNode* > & nodeVec,
+ const bool overrideMinH=true);
- static void RemoveTmpFiles();
+ void SetDefaultParameters();
- static SMESH_ComputeErrorPtr readErrors(const std::vector< const SMDS_MeshNode* >& nodeVec);
+ static SMESH_ComputeErrorPtr ReadErrors(const std::vector< const SMDS_MeshNode* >& nodeVec);
- static void toPython( const netgen::Mesh* ngMesh,
- const std::string& pyFile); // debug
+ static void toPython( const netgen::Mesh* ngMesh ); // debug
private:
+
SMESH_Mesh* _mesh;
const TopoDS_Shape& _shape;
bool _isVolume;
bool _optimize;
int _fineness;
+ bool _isViscousLayers2D;
+ double _chordalError;
+ netgen::Mesh* _ngMesh;
+ netgen::OCCGeometry* _occgeom;
+
+ int _curShapeIndex;
+ volatile int _progressTic;
+ volatile double _ticTime; // normalized [0,1] compute time per a SMESH_Algo::_progressTic
+ volatile double _totalTime;
const NETGENPlugin_SimpleHypothesis_2D * _simpleHyp;
- std::map< int, std::pair<int,int> > _faceDescriptors;
+ const StdMeshers_ViscousLayers* _viscousLayersHyp;
+
+ // a pointer to NETGENPlugin_Mesher* field of the holder, that will be
+ // nullified at destruction of this
+ NETGENPlugin_Mesher ** _ptrToMe;
};
//=============================================================================
bool isShapeToPrecompute(const TopoDS_Shape& s);
// 2D meshing
- // edges
+ // edges
bool hasInternalEdges() const { return !_e2face.empty(); }
bool isInternalEdge( int id ) const { return _e2face.count( id ); }
const std::map<int,int>& getEdgesAndVerticesWithFaces() const { return _e2face; }
};
-//================================================================================
-/*!
- * \brief It correctly initializes netgen library at constructor and
- * correctly finishes using netgen library at destructor
- */
-//================================================================================
-
-struct NETGENPLUGIN_EXPORT NETGENPlugin_NetgenLibWrapper
-{
- nglib::Ng_Mesh * _ngMesh;
- NETGENPlugin_NetgenLibWrapper();
- ~NETGENPlugin_NetgenLibWrapper();
- void setMesh( nglib::Ng_Mesh* mesh );
-};
-
#endif
