SMESH_Gen Class Reference

#include <SMESH_Gen.hxx>

Data Structures
struct	TAlgoStateError
Public Member Functions
	SMESH_Gen ()
	Constructor.
	~SMESH_Gen ()
	Destructor.
SMESH_Mesh *	CreateMesh (int theStudyId, bool theIsEmbeddedMode) throw (SALOME_Exception)
	Creates a mesh in a study.
bool	Compute (::SMESH_Mesh &aMesh, const TopoDS_Shape &aShape, const bool anUpward=false, const ::MeshDimension aDim=::MeshDim_3D, TSetOfInt *aShapesId=0)
	Computes aMesh on aShape.
bool	Evaluate (::SMESH_Mesh &aMesh, const TopoDS_Shape &aShape, MapShapeNbElems &aResMap, const bool anUpward=false, TSetOfInt *aShapesId=0)
	evaluates size of prospective mesh on a shape
bool	CheckAlgoState (SMESH_Mesh &aMesh, const TopoDS_Shape &aShape)
void	SetBoundaryBoxSegmentation (int theNbSegments)
	Sets number of segments per diagonal of boundary box of geometry by which default segment length of appropriate 1D hypotheses is defined.
int	GetBoundaryBoxSegmentation () const
void	SetDefaultNbSegments (int nb)
	Sets default number of segments per edge.
int	GetDefaultNbSegments () const
bool	GetAlgoState (SMESH_Mesh &aMesh, const TopoDS_Shape &aShape, std::list< SMESH_Gen::TAlgoStateError > &theErrors)
StudyContextStruct *	GetStudyContext (int studyId)
	Returns StudyContextStruct for a study.
SMESH_Algo *	GetAlgo (SMESH_Mesh &aMesh, const TopoDS_Shape &aShape, TopoDS_Shape *assignedTo=0)
	Finds algo to mesh a shape.
int	GetANewId ()
	Genarate a new id unique withing this Gen.
Static Public Member Functions
static int	GetShapeDim (const TopAbs_ShapeEnum &aShapeType)
	Return shape dimension by TopAbs_ShapeEnum.
static int	GetShapeDim (const TopoDS_Shape &aShape)
static bool	IsGlobalHypothesis (const SMESH_Hypothesis *theHyp, SMESH_Mesh &aMesh)
Data Fields
std::map< int, SMESH_Algo * >	_mapAlgo
std::map< int, SMESH_0D_Algo * >	_map0D_Algo
std::map< int, SMESH_1D_Algo * >	_map1D_Algo
std::map< int, SMESH_2D_Algo * >	_map2D_Algo
std::map< int, SMESH_3D_Algo * >	_map3D_Algo
Private Attributes
int	_localId
std::map< int, StudyContextStruct * >	_mapStudyContext
int	_hypId
int	_segmentation
int	_nbSegments
counters *	_counters

---

Detailed Description

Definition at line 64 of file SMESH_Gen.hxx.

---

Constructor & Destructor Documentation

SMESH_Gen::SMESH_Gen

(

)

Constructor.

Definition at line 57 of file SMESH_Gen.cxx.

References SMDS_Mesh._meshList, MESSAGE, and ex21_lamp.size.

{
        MESSAGE("SMESH_Gen::SMESH_Gen");
        _localId = 0;
        _hypId = 0;
        _segmentation = _nbSegments = 10;
        SMDS_Mesh::_meshList.clear();
        MESSAGE(SMDS_Mesh::_meshList.size());
        _counters = new counters(100);
#ifdef WITH_SMESH_CANCEL_COMPUTE
        _compute_canceled = false;
        _sm_current = NULL;
#endif
}

SMESH_Gen::~SMESH_Gen

(

)

Destructor.

Definition at line 78 of file SMESH_Gen.cxx.

References MESSAGE.

{
  MESSAGE("SMESH_Gen::~SMESH_Gen");
}

---

Member Function Documentation

bool SMESH_Gen::CheckAlgoState	(	SMESH_Mesh &	aMesh,
		const TopoDS_Shape &	aShape
	)

Definition at line 734 of file SMESH_Gen.cxx.

{
  list< TAlgoStateError > errors;
  return GetAlgoState( aMesh, aShape, errors );
}

bool SMESH_Gen.Compute	(	::SMESH_Mesh &	aMesh,
		const TopoDS_Shape &	aShape,
		const bool	anUpward = false,
		const ::MeshDimension	aDim = ::MeshDim_3D,
		TSetOfInt *	aShapesId = 0
	)

Computes aMesh on aShape.

Parameters:

anUpward	- compute from vertices up to more complex shape (internal usage)
aDim	- upper level dimension of the mesh computation
aShapesId	- list of shapes with computed mesh entities (elements or nodes)

Return values:

bool	- true if none submesh failed to compute

SMESH_Mesh * SMESH_Gen::CreateMesh	(	int	theStudyId,
		bool	theIsEmbeddedMode
	)		throw (SALOME_Exception)

Creates a mesh in a study.

if (theIsEmbeddedMode) { mesh modification commands are not logged }

Definition at line 90 of file SMESH_Gen.cxx.

References studyContextStruct.mapMesh, MESSAGE, and studyContextStruct.myDocument.

{
  Unexpect aCatch(SalomeException);
  MESSAGE("SMESH_Gen::CreateMesh");

  // Get studyContext, create it if it does'nt exist, with a SMESHDS_Document
  StudyContextStruct *aStudyContext = GetStudyContext(theStudyId);

  // create a new SMESH_mesh object
  SMESH_Mesh *aMesh = new SMESH_Mesh(_localId++,
                                     theStudyId,
                                     this,
                                     theIsEmbeddedMode,
                                     aStudyContext->myDocument);
  aStudyContext->mapMesh[_localId] = aMesh;

  return aMesh;
}

bool SMESH_Gen.Evaluate	(	::SMESH_Mesh &	aMesh,
		const TopoDS_Shape &	aShape,
		MapShapeNbElems &	aResMap,
		const bool	anUpward = false,
		TSetOfInt *	aShapesId = 0
	)

evaluates size of prospective mesh on a shape

Parameters:

aMesh	- the mesh
aShape	- the shape
aResMap	- map for prospective numbers of elements

Return values:

bool	- is a success

SMESH_Algo * SMESH_Gen::GetAlgo	(	SMESH_Mesh &	aMesh,
		const TopoDS_Shape &	aShape,
		TopoDS_Shape *	assignedTo = 0
	)

Finds algo to mesh a shape.

Optionally returns a shape the found algo is bound to

Definition at line 890 of file SMESH_Gen.cxx.

References SMESH_HypoFilter.And(), SMESH_HypoFilter.IsAlgo(), and SMESH_HypoFilter.IsApplicableTo().

{
  SMESH_HypoFilter filter( SMESH_HypoFilter::IsAlgo() );
  filter.And( filter.IsApplicableTo( aShape ));

  return (SMESH_Algo*) aMesh.GetHypothesis( aShape, filter, true, assignedTo );
}

bool SMESH_Gen.GetAlgoState	(	SMESH_Mesh &	aMesh,
		const TopoDS_Shape &	aShape,
		std::list< SMESH_Gen::TAlgoStateError > &	theErrors
	)

int SMESH_Gen::GetANewId

(

)

Genarate a new id unique withing this Gen.

Definition at line 949 of file SMESH_Gen.cxx.

Referenced by StdMeshers_LayerDistribution2D_i.StdMeshers_LayerDistribution2D_i(), StdMeshers_NumberOfLayers2D_i.StdMeshers_NumberOfLayers2D_i(), StdMeshers_UseExisting_1D_i.StdMeshers_UseExisting_1D_i(), and StdMeshers_UseExisting_2D_i.StdMeshers_UseExisting_2D_i().

{
  return _hypId++;
}

int SMESH_Gen.GetBoundaryBoxSegmentation

(

)

const

Definition at line 115 of file SMESH_Gen.hxx.

{ return _segmentation; }

int SMESH_Gen.GetDefaultNbSegments

(

)

const

Definition at line 120 of file SMESH_Gen.hxx.

{ return _nbSegments; }

int SMESH_Gen::GetShapeDim

(

const TopAbs_ShapeEnum &

aShapeType

)

[static]

Return shape dimension by TopAbs_ShapeEnum.

Definition at line 925 of file SMESH_Gen.cxx.

References MeshDim_0D, MeshDim_1D, MeshDim_2D, and MeshDim_3D.

Referenced by SMESH_Mesh.AddHypothesis(), SMESH_subMesh.CanAddHypothesis(), checkMissing(), SMESH_subMesh.CleanDependants(), SMESH_subMesh.DumpAlgoState(), SMESH.SMESH_Gen.Evaluate(), SMESH_subMesh.IsApplicableHypotesis(), SMESH_subMesh.IsMeshComputed(), SMESH_HypoFilter.IsMoreLocalThanPredicate.IsOk(), SMESH_Mesh.RemoveHypothesis(), SMESH_subMesh.RemoveSubMeshElementsAndNodes(), SMESH_DimHyp.SetShape(), and SMESH_subMesh.SubMeshesComputed().

{
  static vector<int> dim;
  if ( dim.empty() )
  {
    dim.resize( TopAbs_SHAPE, -1 );
    dim[ TopAbs_COMPOUND ]  = MeshDim_3D;
    dim[ TopAbs_COMPSOLID ] = MeshDim_3D;
    dim[ TopAbs_SOLID ]     = MeshDim_3D;
    dim[ TopAbs_SHELL ]     = MeshDim_3D;
    dim[ TopAbs_FACE  ]     = MeshDim_2D;
    dim[ TopAbs_WIRE ]      = MeshDim_1D;
    dim[ TopAbs_EDGE ]      = MeshDim_1D;
    dim[ TopAbs_VERTEX ]    = MeshDim_0D;
  }
  return dim[ aShapeType ];
}

static int SMESH_Gen.GetShapeDim

(

const TopoDS_Shape &

aShape

)

[static]

Definition at line 145 of file SMESH_Gen.hxx.

References GetShapeDim().

Referenced by GetShapeDim().

  { return GetShapeDim( aShape.ShapeType() ); }

StudyContextStruct * SMESH_Gen::GetStudyContext

(

int

studyId

)

Returns StudyContextStruct for a study.

Definition at line 906 of file SMESH_Gen.cxx.

References studyContextStruct.myDocument.

{
  // Get studyContext, create it if it does'nt exist, with a SMESHDS_Document

  if (_mapStudyContext.find(studyId) == _mapStudyContext.end())
  {
    _mapStudyContext[studyId] = new StudyContextStruct;
    _mapStudyContext[studyId]->myDocument = new SMESHDS_Document(studyId);
  }
  StudyContextStruct *myStudyContext = _mapStudyContext[studyId];
  return myStudyContext;
}

bool SMESH_Gen::IsGlobalHypothesis	(	const SMESH_Hypothesis *	theHyp,
		SMESH_Mesh &	aMesh
	)		[static]

Definition at line 878 of file SMESH_Gen.cxx.

References SMESH_HypoFilter.Is().

{
  SMESH_HypoFilter filter( SMESH_HypoFilter::Is( theHyp ));
  return aMesh.GetHypothesis( aMesh.GetMeshDS()->ShapeToMesh(), filter, false );
}

void SMESH_Gen.SetBoundaryBoxSegmentation

(

int

theNbSegments

)

Sets number of segments per diagonal of boundary box of geometry by which default segment length of appropriate 1D hypotheses is defined.

Definition at line 114 of file SMESH_Gen.hxx.

{ _segmentation = theNbSegments; }

void SMESH_Gen.SetDefaultNbSegments

(

int

nb

)

Sets default number of segments per edge.

Definition at line 119 of file SMESH_Gen.hxx.

{ _nbSegments = nb; }

---

Field Documentation

counters* SMESH_Gen._counters [private]

Definition at line 171 of file SMESH_Gen.hxx.

int SMESH_Gen._hypId [private]

Definition at line 164 of file SMESH_Gen.hxx.

int SMESH_Gen._localId [private]

Definition at line 160 of file SMESH_Gen.hxx.

std::map< int, SMESH_0D_Algo * > SMESH_Gen._map0D_Algo

Definition at line 153 of file SMESH_Gen.hxx.

std::map< int, SMESH_1D_Algo * > SMESH_Gen._map1D_Algo

Definition at line 154 of file SMESH_Gen.hxx.

std::map< int, SMESH_2D_Algo * > SMESH_Gen._map2D_Algo

Definition at line 155 of file SMESH_Gen.hxx.

std::map< int, SMESH_3D_Algo * > SMESH_Gen._map3D_Algo

Definition at line 156 of file SMESH_Gen.hxx.

std::map< int, SMESH_Algo * > SMESH_Gen._mapAlgo

Definition at line 152 of file SMESH_Gen.hxx.

std::map< int, StudyContextStruct * > SMESH_Gen._mapStudyContext [private]

Definition at line 161 of file SMESH_Gen.hxx.

int SMESH_Gen._nbSegments [private]

Definition at line 170 of file SMESH_Gen.hxx.

int SMESH_Gen._segmentation [private]

Definition at line 168 of file SMESH_Gen.hxx.