Algo building prisms on a prism shape. More...

#include <StdMeshers_Prism_3D.hxx>

Public Member Functions
virtual bool	CheckHypothesis (SMESH_Mesh &aMesh, const TopoDS_Shape &aShape, SMESH_Hypothesis::Hypothesis_Status &aStatus)
	Check hypothesis definition to mesh a shape. More...

virtual bool	Compute (SMESH_Mesh &aMesh, const TopoDS_Shape &aShape)
	Computes mesh on a shape. More...

virtual bool	Evaluate (SMESH_Mesh &aMesh, const TopoDS_Shape &aShape, MapShapeNbElems &aResMap)
	evaluates size of prospective mesh on a shape More...

void	ProjectTriangles ()
	Enable removal of quadrangles from the bottom face and triangles creation there by projection from the top (sole face meshed with triangles is considered to be a bottom one). If there are two faces with triangles, triangles must be of the same topology, else the algo fails. The method must be called before Compute() More...

	StdMeshers_Prism_3D (int hypId, int studyId, SMESH_Gen *gen)

virtual	~StdMeshers_Prism_3D ()
	Destructor. More...

Public Member Functions inherited from SMESH_3D_Algo
	SMESH_3D_Algo (int hypId, int studyId, SMESH_Gen *gen)

	SMESH_3D_Algo (int hypId, int studyId, SMESH_Gen *gen)

virtual	~SMESH_3D_Algo ()

Public Member Functions inherited from SMESH_Algo
virtual void	CancelCompute ()
	Sets _computeCanceled to true. It's usage depends on implementation of a particular mesher. More...

virtual bool	Compute (SMESH_Mesh &aMesh, SMESH_MesherHelper *aHelper)
	Computes mesh without geometry. More...

const std::list< const SMESHDS_Hypothesis * > &	GetAppliedHypothesis (SMESH_Mesh &aMesh, const TopoDS_Shape &aShape, const bool ignoreAuxiliary=true) const
	Returns a list of compatible hypotheses assigned to a shape in a mesh. More...

const SMESH_HypoFilter *	GetCompatibleHypoFilter (const bool ignoreAuxiliary) const
	Returns the filter recognizing only compatible hypotheses. More...

const std::vector< std::string > &	GetCompatibleHypothesis ()
	Returns all types of compatible hypotheses. More...

SMESH_ComputeErrorPtr	GetComputeError () const
	return compute error More...

const Features &	GetFeatures () const

virtual double	GetProgress () const
	If possible, returns progress of computation [0.,1.]. More...

double	GetProgressByTic () const
	Return compute progress by nb of calls of this method. More...

virtual const std::list< const SMESHDS_Hypothesis * > &	GetUsedHypothesis (SMESH_Mesh &aMesh, const TopoDS_Shape &aShape, const bool ignoreAuxiliary=true) const
	Returns a list of compatible hypotheses used to mesh a shape. More...

void	InitComputeError ()
	initialize compute error etc. before call of Compute() More...

virtual std::istream &	LoadFrom (std::istream &load)
	Loads nothing from a stream. More...

bool	NeedDiscreteBoundary () const

bool	NeedLowerHyps (int dim) const

bool	NeedShape () const

int	NumberOfPoints (SMESH_Mesh &aMesh, const TopoDS_Wire &W)

bool	OnlyUnaryInput () const

virtual std::ostream &	SaveTo (std::ostream &save)
	Saves nothing in a stream. More...

virtual void	SetEventListener (SMESH_subMesh *subMesh)
	Sets event listener to submeshes if necessary. More...

virtual bool	SetParametersByDefaults (const TDefaults &dflts, const SMESH_Mesh *theMesh=0)
	Initialize my parameter values by default parameters. More...

virtual bool	SetParametersByMesh (const SMESH_Mesh *theMesh, const TopoDS_Shape &theShape)
	Just return false as the algorithm does not hold parameters values. More...

	SMESH_Algo (int hypId, int studyId, SMESH_Gen *gen)
	Creates algorithm. More...

std::vector< SMESH_subMesh * > &	SubMeshesToCompute ()

virtual void	SubmeshRestored (SMESH_subMesh *subMesh)
	Allow algo to do something after persistent restoration. More...

bool	SupportSubmeshes () const

virtual	~ SMESH_Algo ()
	Destructor. More...

Public Member Functions inherited from SMESH_Hypothesis
void	ClearParameters ()

virtual bool	DataDependOnParams () const
	The returned value is used by NotifySubMeshesHypothesisModification() to decide to call subMesh->AlgoStateEngine( MODIF_HYP, hyp ) or not if subMesh is ready to be computed (algo+hyp==OK) but not yet computed. True result is reasonable for example if EventListeners depend on parameters of hypothesis. More...

virtual int	GetDim () const

SMESH_Gen *	GetGen () const

char *	GetLastParameters () const

virtual const char *	GetLibName () const

SMESH_Mesh *	GetMeshByPersistentID (int id)
	Find a mesh with given persistent ID. More...

char *	GetParameters () const

virtual int	GetShapeType () const

int	GetStudyId () const

virtual bool	IsAuxiliary () const
	Return true if me is an auxiliary hypothesis. More...

virtual void	NotifySubMeshesHypothesisModification ()

void	SetLastParameters (const char *theParameters)

void	SetLibName (const char *theLibName)

void	SetParameters (const char *theParameters)

	SMESH_Hypothesis (int hypId, int studyId, SMESH_Gen *gen)

virtual	~SMESH_Hypothesis ()

Public Member Functions inherited from SMESHDS_Hypothesis
int	GetID () const

const char *	GetName () const

int	GetType () const

bool	IsSameName (const SMESHDS_Hypothesis &other) const
	Compare types of hypotheses. More...

bool	operator!= (const SMESHDS_Hypothesis &other) const

virtual bool	operator== (const SMESHDS_Hypothesis &other) const

	SMESHDS_Hypothesis (int hypId)

virtual	~SMESHDS_Hypothesis ()

Static Public Member Functions
static void	AddPrisms (std::vector< const TNodeColumn * > &nodeColumns, SMESH_MesherHelper *helper)
	Create prisms. More...

static bool	IsApplicable (const TopoDS_Shape &aShape, bool toCheckAll)
	Return true if the algorithm can mesh this shape. More...

Static Public Member Functions inherited from SMESH_Algo
static GeomAbs_Shape	Continuity (TopoDS_Edge E1, TopoDS_Edge E2)
	Return continuity of two edges. More...

static double	EdgeLength (const TopoDS_Edge &E)
	Compute length of an edge. More...

static const Features &	GetFeatures (const std::string &algoType)
	Returns a structure describing algorithm features. More...

static EMeshError	GetMeshError (SMESH_subMesh *subMesh)
	Finds topological errors of a sub-mesh. More...

static bool	GetNodeParamOnEdge (const SMESHDS_Mesh *theMesh, const TopoDS_Edge &theEdge, std::vector< double > &theParams)
	Fill vector of node parameters on geometrical edge, including vertex nodes. More...

static bool	GetSortedNodesOnEdge (const SMESHDS_Mesh theMesh, const TopoDS_Edge &theEdge, const bool ignoreMediumNodes, std::map< double, const SMDS_MeshNode > &theNodes, const SMDSAbs_ElementType typeToCheck=SMDSAbs_All)
	Fill map of node parameter on geometrical edge to node it-self. More...

static bool	IsContinuous (const TopoDS_Edge &E1, const TopoDS_Edge &E2)
	Return true if an edge can be considered as a continuation of another. More...

static bool	isDegenerated (const TopoDS_Edge &E)
	Return true if an edge has no 3D curve. More...

static bool	IsStraight (const TopoDS_Edge &E, const bool degenResult=false)
	Return true if an edge can be considered straight. More...

static const SMDS_MeshNode *	VertexNode (const TopoDS_Vertex &V, const SMESH_Mesh *mesh)
	Return the node built on a vertex. A node moved to other geometry by MergeNodes() is also returned. More...

static const SMDS_MeshNode *	VertexNode (const TopoDS_Vertex &V, const SMESHDS_Mesh *meshDS)
	Return the node built on a vertex. More...

static const SMDS_MeshNode *	VertexNode (const TopoDS_Vertex &V, const SMESHDS_SubMesh edgeSM, const SMESH_Mesh mesh, const bool checkV=true)
	Return the node built on a vertex. A node moved to other geometry by MergeNodes() is also returned. More...

Static Public Member Functions inherited from SMESH_Hypothesis
static bool	IsStatusFatal (Hypothesis_Status theStatus)

Additional Inherited Members
Public Types inherited from SMESH_Algo
enum	EMeshError { MEr_OK = 0, MEr_HOLES, MEr_BAD_ORI, MEr_EMPTY }

Public Types inherited from SMESH_Hypothesis
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, HYP_INCOMPAT_HYPS }

Public Types inherited from SMESHDS_Hypothesis
enum	hypothesis_type { PARAM_ALGO, ALGO_0D, ALGO_1D, ALGO_2D, ALGO_3D }

Protected Member Functions inherited from SMESH_Algo
void	addBadInputElement (const SMDS_MeshElement *elem)
	store a bad input element preventing computation, which may be a temporary one i.e. not residing the mesh, then it will be deleted by InitComputeError() More...

void	addBadInputElements (const SMESHDS_SubMesh *sm, const bool addNodes=false)

bool	error (const SMESH_Comment &comment="")
	store COMPERR_ALGO_FAILED error and comment and then return false More...

bool	error (int error, const SMESH_Comment &comment="")
	store error and comment and then return ( error == COMPERR_OK ) More...

bool	error (SMESH_ComputeErrorPtr error)
	store error and return error->IsOK() More...

Detailed Description

Algo building prisms on a prism shape.

Constructor & Destructor Documentation

◆ StdMeshers_Prism_3D()

StdMeshers_Prism_3D::StdMeshers_Prism_3D	(	int	hypId,
		int	studyId,
		SMESH_Gen *	gen
	)

◆ ~StdMeshers_Prism_3D()

StdMeshers_Prism_3D::~StdMeshers_Prism_3D ( )

virtual

Destructor.

Member Function Documentation

◆ AddPrisms()

void StdMeshers_Prism_3D::AddPrisms	(	std::vector< const TNodeColumn * > &	nodeColumns,
		SMESH_MesherHelper *	helper
	)

static

Create prisms.

Parameters

nodeColumns	- columns of nodes generated from nodes of a mesh face
helper	- helper initialized by mesh and shape to add prisms to
columns	- columns of nodes generated from nodes of a mesh face
helper	- helper initialized by mesh and shape to add prisms to

References SMESH_MesherHelper::AddPolyhedralVolume(), SMESH_MesherHelper::AddVolume(), SMDS_VolumeTool::IsForward(), SMDS_VolumeTool::Set(), and SMESH_MesherHelper::SetElementsOnShape().

Referenced by StdMeshers_RadialPrism_3D::Compute().

◆ CheckHypothesis()

bool StdMeshers_Prism_3D::CheckHypothesis	(	SMESH_Mesh &	aMesh,
		const TopoDS_Shape &	aShape,
		SMESH_Hypothesis::Hypothesis_Status &	aStatus
	)

virtual

Check hypothesis definition to mesh a shape.

Parameters

aMesh	- the mesh
aShape	- the shape
aStatus	- check result

Return values

bool	- true if hypothesis is well defined

Textual description of a problem can be stored in _comment field.

Implements SMESH_Algo.

References SMESH_Hypothesis::HYP_OK.

◆ Compute()

bool StdMeshers_Prism_3D::Compute	(	SMESH_Mesh &	aMesh,
		const TopoDS_Shape &	aShape
	)

virtual

Computes mesh on a shape.

Parameters

aMesh	- the mesh
aShape	- the shape

Return values

bool	- is a success

Algorithms that !NeedDiscreteBoundary() || !OnlyUnaryInput() are to set SMESH_ComputeError returned by SMESH_submesh::GetComputeError() to report problematic sub-shapes

Implements SMESH_Algo.

References SMESH_subMesh::CHECK_COMPUTE_STATE, Prism_3D::TPrismTopo::Clear(), SMESH_subMesh::COMPUTE, SMESH_subMesh::ComputeStateEngine(), SMESH_MesherHelper::Count(), SMESH_Algo::error(), SMESH_MesherHelper::GetAncestors(), SMESH_subMesh::GetComputeError(), SMESH_subMesh::getDependsOnIterator(), SMESH_MesherHelper::GetMesh(), SMESH_Mesh::GetMeshDS(), StdMeshers_ProjectionUtils::GetPropagationEdge(), SMESH_Mesh::GetSubMesh(), SMESH_subMesh::GetSubMeshDS(), SMESH_Algo::InitComputeError(), SMESH_MesherHelper::IsBlock(), SMESH_subMesh::IsEmpty(), SMESH_subMesh::IsMeshComputed(), SMESH_MesherHelper::IsSameElemGeometry(), SMESH_MesherHelper::IsStructured(), SMESH_MesherHelper::IsSubShape(), SMESHDS_Mesh::MeshElements(), Prism_3D::TPrismTopo::myBottom, Prism_3D::TPrismTopo::myTop, SMESHDS_SubMesh::NbElements(), SMESH_Mesh::NbQuadrangles(), and SMESH_ComputeError::New().

◆ Evaluate()

bool StdMeshers_Prism_3D::Evaluate	(	SMESH_Mesh &	aMesh,
		const TopoDS_Shape &	aShape,
		MapShapeNbElems &	aResMap
	)

virtual

evaluates size of prospective mesh on a shape

Parameters

aMesh	- the mesh
aShape	- the shape
aResMap	- prospective number of elements by SMDSAbs_ElementType by a sub-mesh

Return values

bool	- is a success

Implements SMESH_Algo.

References SMESH_Algo::error(), SMESH_Mesh::GetSubMesh(), and SMESH_MesherHelper::SetSubShape().

◆ IsApplicable()

bool StdMeshers_Prism_3D::IsApplicable	(	const TopoDS_Shape &	shape,
		bool	toCheckAll
	)

static

Return true if the algorithm can mesh this shape.

Parameters

[in]	aShape	- shape to check
[in]	toCheckAll	- if true, this check returns OK if all shapes are OK, else, returns OK if at least one shape is OK

References SMESH_MesherHelper::Count(), DraftVecUtils::find(), SMESH_Block::FindBlockShapes(), and SMESH_MesherHelper::WrapIndex().

◆ ProjectTriangles()

void StdMeshers_Prism_3D::ProjectTriangles ( )

Enable removal of quadrangles from the bottom face and triangles creation there by projection from the top (sole face meshed with triangles is considered to be a bottom one). If there are two faces with triangles, triangles must be of the same topology, else the algo fails. The method must be called before Compute()

The documentation for this class was generated from the following files:

src/3rdParty/salomesmesh/inc/StdMeshers_Prism_3D.hxx
src/3rdParty/salomesmesh/src/StdMeshers/StdMeshers_Prism_3D.cpp

Public Member Functions

Static Public Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ StdMeshers_Prism_3D()

◆ ~StdMeshers_Prism_3D()

Member Function Documentation

◆ AddPrisms()

◆ CheckHypothesis()

◆ Compute()

◆ Evaluate()

◆ IsApplicable()

◆ ProjectTriangles()