Quadrangle mesher using Medial Axis. More...

#include <StdMeshers_QuadFromMedialAxis_1D2D.hxx>

Classes
class	Algo1D
	1D algo More...

Public Member Functions
virtual bool	CheckHypothesis (SMESH_Mesh &aMesh, const TopoDS_Shape &aShape, Hypothesis_Status &aStatus)
	Check if needed hypotheses are present. More...

virtual bool	Compute (SMESH_Mesh &aMesh, const TopoDS_Shape &aShape)
	Generate quadrangle mesh. More...

virtual bool	Evaluate (SMESH_Mesh &aMesh, const TopoDS_Shape &aShape, MapShapeNbElems &aResMap)
	Predict nb of elements. More...

virtual void	SetEventListener (SMESH_subMesh *subMesh)
	Sets event listener which removes mesh from EDGEs when 2D hyps change. More...

	StdMeshers_QuadFromMedialAxis_1D2D (int hypId, int studyId, SMESH_Gen *gen)
	Constructor sets algo features. More...

virtual	~StdMeshers_QuadFromMedialAxis_1D2D ()
	Destructor. More...

Public Member Functions inherited from StdMeshers_Quadrangle_2D
FaceQuadStruct::Ptr	CheckAnd2Dcompute (SMESH_Mesh &aMesh, const TopoDS_Shape &aShape, const bool CreateQuadratic)

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

FaceQuadStruct::Ptr	CheckNbEdges (SMESH_Mesh &aMesh, const TopoDS_Shape &aShape, const bool considerMesh=false)

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)

	StdMeshers_Quadrangle_2D (int hypId, int studyId, SMESH_Gen *gen)

virtual	~StdMeshers_Quadrangle_2D ()

Public Member Functions inherited from SMESH_2D_Algo
virtual bool	FixInternalNodes (const SMESH_ProxyMesh &mesh, const TopoDS_Face &face)
	Method in which an algorithm generating a structured mesh fixes positions of in-face nodes after there movement due to insertion of viscous layers. More...

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

int	NumberOfWires (const TopoDS_Shape &S)

	SMESH_2D_Algo (int hypId, int studyId, SMESH_Gen *gen)

	SMESH_2D_Algo (int hypId, int studyId, SMESH_Gen *gen)

virtual	~SMESH_2D_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	CheckHypothesis (SMESH_Mesh &aMesh, const TopoDS_Shape &aShape, SMESH_Hypothesis::Hypothesis_Status &aStatus)=0
	Check hypothesis definition to mesh a shape. More...

virtual bool	Compute (SMESH_Mesh &aMesh, const TopoDS_Shape &aShape)=0
	Computes mesh on a shape. More...

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

virtual bool	Evaluate (SMESH_Mesh &aMesh, const TopoDS_Shape &aShape, MapShapeNbElems &aResMap)=0
	evaluates size of prospective mesh on a shape 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)

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

virtual bool	SetParametersByMesh (const SMESH_Mesh *theMesh, const TopoDS_Shape &theShape)=0
	Initialize my parameter values by the mesh built on the geometry. More...

	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...

virtual std::istream &	LoadFrom (std::istream &load)=0

bool	operator!= (const SMESHDS_Hypothesis &other) const

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

virtual std::ostream &	SaveTo (std::ostream &save)=0

	SMESHDS_Hypothesis (int hypId)

virtual	~SMESHDS_Hypothesis ()

Static Public Member Functions
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 StdMeshers_Quadrangle_2D
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 Types inherited from StdMeshers_Quadrangle_2D
typedef std::map< StdMeshers_FaceSidePtr, std::vector< FaceQuadStruct::Ptr > >	TQuadsBySide

Protected Member Functions inherited from StdMeshers_Quadrangle_2D
bool	addEnforcedNodes ()
	Splits quads by adding points of enforced nodes and create nodes on the sides shared by quads. More...

bool	check ()
	Checks validity of generated faces. More...

bool	checkNbEdgesForEvaluate (SMESH_Mesh &aMesh, const TopoDS_Shape &aShape, MapShapeNbElems &aResMap, std::vector< int > &aNbNodes, bool &IsQuadratic)

bool	computeQuadDominant (SMESH_Mesh &aMesh, const TopoDS_Face &aFace)
	Compute quadrangles and possibly triangles on all quads of myQuadList. More...

bool	computeQuadDominant (SMESH_Mesh &aMesh, const TopoDS_Face &aFace, FaceQuadStruct::Ptr quad)
	Compute quadrangles and possibly triangles. More...

bool	computeQuadPref (SMESH_Mesh &aMesh, const TopoDS_Face &aFace, FaceQuadStruct::Ptr quad)

bool	computeReduced (SMESH_Mesh &aMesh, const TopoDS_Face &aFace, FaceQuadStruct::Ptr quad)

bool	computeTriangles (SMESH_Mesh &aMesh, const TopoDS_Face &aFace, FaceQuadStruct::Ptr quad)
	Compute quadrangles and triangles on the quad. More...

bool	evaluateQuadPref (SMESH_Mesh &aMesh, const TopoDS_Shape &aShape, std::vector< int > &aNbNodes, MapShapeNbElems &aResMap, bool isQuadratic)

int	getCorners (const TopoDS_Face &theFace, SMESH_Mesh &theMesh, std::list< TopoDS_Edge > &theWire, std::vector< TopoDS_Vertex > &theVertices, int &theNbDegenEdges, const bool considerMesh)

bool	getEnforcedUV ()
	Fills myForcedPnts. More...

bool	setNormalizedGrid (FaceQuadStruct::Ptr quad)

void	shiftQuad (FaceQuadStruct::Ptr &quad, const int num)

void	smooth (FaceQuadStruct::Ptr quad)
	Perform smoothing of 2D elements on a FACE with ignored degenerated EDGE. More...

int	splitQuad (FaceQuadStruct::Ptr quad, int i, int j)
	Splits a quad at I or J. Returns an index of a new side in the new quad. More...

void	splitQuadFace (SMESHDS_Mesh theMeshDS, const int theFaceID, const SMDS_MeshNode theNode1, const SMDS_MeshNode theNode2, const SMDS_MeshNode theNode3, const SMDS_MeshNode *theNode4)

void	updateDegenUV (FaceQuadStruct::Ptr quad)
	Set UV of nodes on degenerated VERTEXes in the middle of degenerated EDGE. More...

void	updateSideUV (FaceQuadStruct::Side &side, int iForced, const TQuadsBySide &quads, int *iNext=NULL)
	Updates UV of a side after moving its node. More...

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...

Protected Attributes inherited from StdMeshers_Quadrangle_2D
bool	myCheckOri

std::vector< ForcedPoint >	myForcedPnts

SMESH_MesherHelper *	myHelper

bool	myNeedSmooth

const StdMeshers_QuadrangleParams *	myParams

SMESH_ProxyMesh::Ptr	myProxyMesh

std::list< FaceQuadStruct::Ptr >	myQuadList

bool	myQuadranglePreference

StdMeshers_QuadType	myQuadType

bool	myTrianglePreference

int	myTriaVertexID

Detailed Description

Quadrangle mesher using Medial Axis.

Constructor & Destructor Documentation

◆ StdMeshers_QuadFromMedialAxis_1D2D()

StdMeshers_QuadFromMedialAxis_1D2D::StdMeshers_QuadFromMedialAxis_1D2D	(	int	hypId,
		int	studyId,
		SMESH_Gen *	gen
	)

Constructor sets algo features.

◆ ~StdMeshers_QuadFromMedialAxis_1D2D()

StdMeshers_QuadFromMedialAxis_1D2D::~StdMeshers_QuadFromMedialAxis_1D2D ( )

virtual

Destructor.

Member Function Documentation

◆ CheckHypothesis()

bool StdMeshers_QuadFromMedialAxis_1D2D::CheckHypothesis	(	SMESH_Mesh &	aMesh,
		const TopoDS_Shape &	aShape,
		Hypothesis_Status &	aStatus
	)

virtual

Check if needed hypotheses are present.

Reimplemented from StdMeshers_Quadrangle_2D.

References SMESH_Algo::GetUsedHypothesis(), and SMESH_Hypothesis::HYP_OK.

◆ Compute()

bool StdMeshers_QuadFromMedialAxis_1D2D::Compute	(	SMESH_Mesh &	aMesh,
		const TopoDS_Shape &	aShape
	)

virtual

Generate quadrangle mesh.

Reimplemented from StdMeshers_Quadrangle_2D.

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

◆ Evaluate()

bool StdMeshers_QuadFromMedialAxis_1D2D::Evaluate	(	SMESH_Mesh &	aMesh,
		const TopoDS_Shape &	aShape,
		MapShapeNbElems &	aResMap
	)

virtual

Predict nb of elements.

Reimplemented from StdMeshers_Quadrangle_2D.

References StdMeshers_Quadrangle_2D::Evaluate().

◆ IsApplicable()

bool StdMeshers_QuadFromMedialAxis_1D2D::IsApplicable	(	const TopoDS_Shape &	aShape,
		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

◆ SetEventListener()

void StdMeshers_QuadFromMedialAxis_1D2D::SetEventListener ( SMESH_subMesh * subMesh )

virtual

Sets event listener which removes mesh from EDGEs when 2D hyps change.

Reimplemented from SMESH_Algo.

References SMESH_subMesh::SetEventListener().

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

FreeCAD/src/3rdParty/salomesmesh/inc/StdMeshers_QuadFromMedialAxis_1D2D.hxx
FreeCAD/src/3rdParty/salomesmesh/src/StdMeshers/StdMeshers_QuadFromMedialAxis_1D2D.cpp

Classes

Public Member Functions

Static Public Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ StdMeshers_QuadFromMedialAxis_1D2D()

◆ ~StdMeshers_QuadFromMedialAxis_1D2D()

Member Function Documentation

◆ CheckHypothesis()

◆ Compute()

◆ Evaluate()

◆ IsApplicable()

◆ SetEventListener()