1D Hypothesis to compute segment length free of thinking More...

#include <StdMeshers_AutomaticLength.hxx>

Inheritance diagram for StdMeshers_AutomaticLength:

Public Types
enum	Hypothesis_Status { HYP_OK = 0, HYP_MISSING, HYP_CONCURENT, HYP_BAD_PARAMETER, HYP_HIDDEN_ALGO, HYP_HIDING_ALGO, HYP_UNKNOWN_FATAL, HYP_INCOMPATIBLE, HYP_NOTCONFORM, HYP_ALREADY_EXIST, HYP_BAD_DIM, HYP_BAD_SUBSHAPE, HYP_BAD_GEOMETRY, HYP_NEED_SHAPE }
enum	hypothesis_type { PARAM_ALGO, ALGO_0D, ALGO_1D, ALGO_2D, ALGO_3D }
Public Member Functions
	StdMeshers_AutomaticLength (int hypId, int studyId, SMESH_Gen *gen)
virtual	~StdMeshers_AutomaticLength ()
double	GetLength (const SMESH_Mesh *aMesh, const TopoDS_Shape &anEdge) throw (SALOME_Exception)
	Computes segment for a given edge.
double	GetLength (const SMESH_Mesh *aMesh, const double edgeLength) throw (SALOME_Exception)
	Computes segment length for an edge of given length.
void	SetFineness (double theFineness) throw (SALOME_Exception)
	Set Fineness.
double	GetFineness () const
	Return mesh Fineness.
virtual std::ostream &	SaveTo (std::ostream &save)
virtual std::istream &	LoadFrom (std::istream &load)
virtual bool	SetParametersByMesh (const SMESH_Mesh *theMesh, const TopoDS_Shape &theShape)
	Initialize Fineness by the mesh built on the geometry.
virtual bool	SetParametersByDefaults (const TDefaults &dflts, const SMESH_Mesh *theMesh=0)
	Initialize my parameter values by default parameters.
virtual int	GetDim () const
int	GetStudyId () const
virtual void	NotifySubMeshesHypothesisModification ()
virtual int	GetShapeType () const
virtual const char *	GetLibName () const
void	SetLibName (const char *theLibName)
void	SetParameters (const char *theParameters)
char *	GetParameters () const
void	SetLastParameters (const char *theParameters)
char *	GetLastParameters () const
void	ClearParameters ()
virtual bool	IsAuxiliary () const
	Return true if me is an auxiliary hypothesis.
SMESH_Mesh *	GetMeshByPersistentID (int id)
	Find a mesh with given persistent ID.
const char *	GetName () const
int	GetID () const
int	GetType () const
virtual bool	operator== (const SMESHDS_Hypothesis &other) const
	Equality.
bool	operator!= (const SMESHDS_Hypothesis &other) const
Static Public Member Functions
static bool	IsStatusFatal (Hypothesis_Status theStatus)
Protected Attributes
std::map< const TopoDS_TShape *, double >	_TShapeToLength
const SMESH_Mesh *	_mesh
double	_fineness
double	_S0
double	_minLen
SMESH_Gen *	_gen
int	_studyId
int	_shapeType
int	_param_algo_dim
std::string	_name
int	_hypId
int	_type
Friends
std::ostream &	operator<< (std::ostream &save, StdMeshers_AutomaticLength &hyp)
std::istream &	operator>> (std::istream &load, StdMeshers_AutomaticLength &hyp)

Detailed Description

1D Hypothesis to compute segment length free of thinking

It computes segment length basing on max shape size to shortest edge length ratio: S = S0 * f(L/Lmin) where f(x) = 1 + (2/Pi * 7 * atan(x/5) )

Definition at line 49 of file StdMeshers_AutomaticLength.hxx.

Member Enumeration Documentation

enum SMESH_Hypothesis::Hypothesis_Status [inherited]

Enumerator:

HYP_OK
HYP_MISSING
HYP_CONCURENT
HYP_BAD_PARAMETER
HYP_HIDDEN_ALGO
HYP_HIDING_ALGO
HYP_UNKNOWN_FATAL
HYP_INCOMPATIBLE
HYP_NOTCONFORM
HYP_ALREADY_EXIST
HYP_BAD_DIM
HYP_BAD_SUBSHAPE
HYP_BAD_GEOMETRY
HYP_NEED_SHAPE

Definition at line 50 of file SMESH_Hypothesis.hxx.

  {
    HYP_OK = 0,
    HYP_MISSING,      // algo misses a hypothesis
    HYP_CONCURENT,    // several applicable hypotheses
    HYP_BAD_PARAMETER,// hypothesis has a bad parameter value
    HYP_HIDDEN_ALGO,  // an algo is hidden by an upper dim algo generating all-dim elements
    HYP_HIDING_ALGO,  // an algo hides lower dim algos by generating all-dim elements
    HYP_UNKNOWN_FATAL,//  --- all statuses below should be considered as fatal
                      //      for Add/RemoveHypothesis operations
    HYP_INCOMPATIBLE, // hypothesis does not fit algo
    HYP_NOTCONFORM,   // not conform mesh is produced appling a hypothesis
    HYP_ALREADY_EXIST,// such hypothesis already exist
    HYP_BAD_DIM,      // bad dimension
    HYP_BAD_SUBSHAPE, // shape is neither the main one, nor its subshape, nor a group
    HYP_BAD_GEOMETRY, // shape geometry mismatches algorithm's expectation
    HYP_NEED_SHAPE    // algorithm can work on shape only
  };

enum SMESHDS_Hypothesis::hypothesis_type [inherited]

Enumerator:

PARAM_ALGO
ALGO_0D
ALGO_1D
ALGO_2D
ALGO_3D

Definition at line 53 of file SMESHDS_Hypothesis.hxx.

{PARAM_ALGO, ALGO_0D, ALGO_1D, ALGO_2D, ALGO_3D};

Constructor & Destructor Documentation

StdMeshers_AutomaticLength::StdMeshers_AutomaticLength	(	int	hypId,
		int	studyId,
		SMESH_Gen *	gen
	)

Definition at line 50 of file StdMeshers_AutomaticLength.cxx.

References _fineness, _mesh, SMESHDS_Hypothesis._name, and SMESH_Hypothesis._param_algo_dim.

  :SMESH_Hypothesis(hypId, studyId, gen)
{
  _name = "AutomaticLength";
  _param_algo_dim = 1; // is used by SMESH_Regular_1D

  _mesh = 0;
  _fineness = 0;
}

StdMeshers_AutomaticLength::~StdMeshers_AutomaticLength ( ) [virtual]

Definition at line 66 of file StdMeshers_AutomaticLength.cxx.

{
}

Member Function Documentation

void SMESH_Hypothesis.ClearParameters ( ) [inherited]

int SMESH_Hypothesis::GetDim ( ) const [virtual, inherited]

Definition at line 74 of file SMESH_Hypothesis.cxx.

{
  int dim = 0;
  switch (_type)
    {
    case ALGO_1D: dim = 1; break;
    case ALGO_2D: dim = 2; break;
    case ALGO_3D: dim = 3; break;
    case PARAM_ALGO:
      dim = ( _param_algo_dim < 0 ) ? -_param_algo_dim : _param_algo_dim; break;
    }
  return dim;
}

double StdMeshers_AutomaticLength.GetFineness ( ) const

Return mesh Fineness.

Return values:

double - Fineness value [0.0-1.0]

Definition at line 84 of file StdMeshers_AutomaticLength.hxx.

{ return _fineness; }

int SMESHDS_Hypothesis::GetID ( ) const [inherited]

Definition at line 73 of file SMESHDS_Hypothesis.cxx.

Referenced by SMESHDS_Document.AddHypothesis(), and SMESH_Mesh_i.GetHypothesisList().

{
  return _hypId;
}

char* SMESH_Hypothesis.GetLastParameters ( ) const [inherited]

double StdMeshers_AutomaticLength.GetLength	(	const SMESH_Mesh *	aMesh,
		const double	edgeLength
	)		throw (SALOME_Exception)

Computes segment length for an edge of given length.

double StdMeshers_AutomaticLength.GetLength	(	const SMESH_Mesh *	aMesh,
		const TopoDS_Shape &	anEdge
	)		throw (SALOME_Exception)

Computes segment for a given edge.

virtual const char* SMESH_Hypothesis.GetLibName ( ) const [virtual, inherited]

SMESH_Mesh * SMESH_Hypothesis::GetMeshByPersistentID ( int id ) [inherited]

Find a mesh with given persistent ID.

Definition at line 160 of file SMESH_Hypothesis.cxx.

References studyContextStruct.mapMesh, and PAL_MESH_041_mesh.mesh.

{
  StudyContextStruct* myStudyContext = _gen->GetStudyContext(_studyId);
  map<int, SMESH_Mesh*>::iterator itm = itm = myStudyContext->mapMesh.begin();
  for ( ; itm != myStudyContext->mapMesh.end(); itm++)
  {
    SMESH_Mesh* mesh = (*itm).second;
    if ( mesh->GetMeshDS()->GetPersistentId() == id )
      return mesh;
  }
  return 0;
}

const char * SMESHDS_Hypothesis::GetName ( ) const [inherited]

Definition at line 62 of file SMESHDS_Hypothesis.cxx.

Referenced by SMESH_DimHyp.checkAlgo(), StdMeshers_Quadrangle_2D.CheckHypothesis(), and StdMeshers_Projection_3D.CheckHypothesis().

{
  return _name.c_str();
}

char* SMESH_Hypothesis.GetParameters ( ) const [inherited]

int SMESH_Hypothesis::GetShapeType ( ) const [virtual, inherited]

Definition at line 94 of file SMESH_Hypothesis.cxx.

{
  return _shapeType;
}

int SMESH_Hypothesis.GetStudyId ( ) const [inherited]

int SMESHDS_Hypothesis::GetType ( ) const [inherited]

Definition at line 84 of file SMESHDS_Hypothesis.cxx.

Referenced by SMESH_DimHyp.checkAlgo(), checkConformIgnoredAlgos(), SMESH_Hypothesis.IsAuxiliary(), and SMESH_Mesh.IsUsedHypothesis().

{
  return _type;
}

virtual bool SMESH_Hypothesis.IsAuxiliary ( ) const [virtual, inherited]

Return true if me is an auxiliary hypothesis.

Return values:

bool	- auxiliary or not

An auxiliary hypothesis is optional, i.e. an algorithm can work without it and another hypothesis of the same dimention can be assigned to the shape

Definition at line 114 of file SMESH_Hypothesis.hxx.

References SMESHDS_Hypothesis.GetType().

  { return GetType() == PARAM_ALGO && _param_algo_dim < 0; }

static bool SMESH_Hypothesis.IsStatusFatal ( Hypothesis_Status theStatus ) [static, inherited]

Definition at line 68 of file SMESH_Hypothesis.hxx.

References SMESH.HYP_UNKNOWN_FATAL.

Referenced by SMESH_Mesh_i.addHypothesis(), SMESH_Mesh_i.AddHypothesis(), SMESH_Mesh.AddHypothesis(), SMESH_subMesh.AlgoStateEngine(), SMESH_Mesh_i.RemoveHypothesis(), and SMESH_Mesh.RemoveHypothesis().

  { return theStatus >= HYP_UNKNOWN_FATAL; }

virtual std::istream& StdMeshers_AutomaticLength.LoadFrom ( std::istream & load ) [virtual]

Implements SMESHDS_Hypothesis.

virtual void SMESH_Hypothesis.NotifySubMeshesHypothesisModification ( ) [virtual, inherited]

Referenced by StdMeshers_NumberOfSegments.SetReversedEdges(), StdMeshers_FixedPoints1D.SetReversedEdges(), StdMeshers_Arithmetic1D.SetReversedEdges(), and StdMeshers_ProjectionSource2D.SetSourceMesh().

bool SMESHDS_Hypothesis.operator!= ( const SMESHDS_Hypothesis & other ) const [inherited]

Definition at line 51 of file SMESHDS_Hypothesis.hxx.

{ return !(*this==other); }

bool SMESHDS_Hypothesis::operator== ( const SMESHDS_Hypothesis & other ) const [virtual, inherited]

Equality.

Definition at line 95 of file SMESHDS_Hypothesis.cxx.

References SMESHDS_Hypothesis._name.

{
  if ( this == &other )
    return true;
  if ( _name != other._name )
    return false;
  ostringstream mySave, otherSave;
  ((SMESHDS_Hypothesis*)this  )->SaveTo(mySave);
  ((SMESHDS_Hypothesis*)&other)->SaveTo(otherSave);
  return mySave.str() == otherSave.str();
}

virtual std::ostream& StdMeshers_AutomaticLength.SaveTo ( std::ostream & save ) [virtual]

Implements SMESHDS_Hypothesis.

void StdMeshers_AutomaticLength::SetFineness ( double theFineness ) throw (SALOME_Exception)

Set Fineness.

Parameters:

theFineness - The Fineness value [0.0-1.0], 0 - coarse mesh 1 - fine mesh

Raise if theFineness is out of range The "Initial Number of Elements on the Shortest Edge" (S0) is divided by (0.5 + 4.5 x theFineness)

Definition at line 86 of file StdMeshers_AutomaticLength.cxx.

{
  if ( theFineness < 0.0 || theFineness > 1.0 )
    throw SALOME_Exception(LOCALIZED("theFineness is out of range [0.0-1.0]"));

  if ( _fineness != theFineness )
  {
    NotifySubMeshesHypothesisModification();
    _fineness = theFineness;
  }
}

void SMESH_Hypothesis::SetLastParameters ( const char * theParameters ) [inherited]

Definition at line 224 of file SMESH_Hypothesis.cxx.

{
  _lastParameters = string(theParameters);
}

void SMESH_Hypothesis.SetLibName ( const char * theLibName ) [inherited]

void SMESH_Hypothesis::SetParameters ( const char * theParameters ) [inherited]

Definition at line 178 of file SMESH_Hypothesis.cxx.

{
  string aNewParameters(theParameters);
  if(aNewParameters.size()==0 && _parameters.size()==0)
    aNewParameters = " ";
  if(_parameters.size()>0)
    _parameters +="|";
  _parameters +=aNewParameters;
  SetLastParameters(theParameters);
}