#include <SMESH_MesherHelper.hxx>

Collaboration diagram for SMESH_MesherHelper:

Public Types
enum	MType { LINEAR, QUADRATIC, COMP }
	Check mesh without geometry for: if all elements on this shape are quadratic, quadratic elements will be created. More...

Public Member Functions
	SMESH_MesherHelper (SMESH_Mesh &theMesh)

SMESH_Mesh *	GetMesh () const

SMESHDS_Mesh *	GetMeshDS () const

bool	IsQuadraticSubMesh (const TopoDS_Shape &theShape)

void	SetIsQuadratic (const bool theBuildQuadratic)
	Set order of elements to create without calling IsQuadraticSubMesh() More...

bool	GetIsQuadratic () const
	Return myCreateQuadratic flag. More...

void	FixQuadraticElements (bool volumeOnly=true)
	Move medium nodes of faces and volumes to fix distorted elements. More...

void	SetElementsOnShape (bool toSet)
	To set created elements on the shape set by IsQuadraticSubMesh() or the next methods. By defaul elements are set on the shape if a mesh has no shape to be meshed. More...

void	SetSubShape (const int subShapeID)
	Set shape to make elements on without calling IsQuadraticSubMesh() More...

void	SetSubShape (const TopoDS_Shape &subShape)
	==SMESHDS_Mesh::ShapeToIndex(shape) More...

int	GetSubShapeID () const
	Return ID of the shape set by IsQuadraticSubMesh() or SetSubShape() More...

TopoDS_Shape	GetSubShape () const
	Return the shape set by IsQuadraticSubMesh() or SetSubShape() More...

SMDS_MeshNode *	AddNode (double x, double y, double z, int ID=0)

SMDS_MeshEdge *	AddEdge (const SMDS_MeshNode n1, const SMDS_MeshNode n2, const int id=0, const bool force3d=true)

SMDS_MeshFace *	AddFace (const SMDS_MeshNode n1, const SMDS_MeshNode n2, const SMDS_MeshNode *n3, const int id=0, const bool force3d=false)

SMDS_MeshFace *	AddFace (const SMDS_MeshNode n1, const SMDS_MeshNode n2, const SMDS_MeshNode n3, const SMDS_MeshNode n4, const int id=0, const bool force3d=false)

SMDS_MeshVolume *	AddVolume (const SMDS_MeshNode n1, const SMDS_MeshNode n2, const SMDS_MeshNode n3, const SMDS_MeshNode n4, const int id=0, const bool force3d=true)

SMDS_MeshVolume *	AddVolume (const SMDS_MeshNode n1, const SMDS_MeshNode n2, const SMDS_MeshNode n3, const SMDS_MeshNode n4, const SMDS_MeshNode *n5, const int id=0, const bool force3d=true)

SMDS_MeshVolume *	AddVolume (const SMDS_MeshNode n1, const SMDS_MeshNode n2, const SMDS_MeshNode n3, const SMDS_MeshNode n4, const SMDS_MeshNode n5, const SMDS_MeshNode n6, const int id=0, const bool force3d=true)

SMDS_MeshVolume *	AddVolume (const SMDS_MeshNode n1, const SMDS_MeshNode n2, const SMDS_MeshNode n3, const SMDS_MeshNode n4, const SMDS_MeshNode n5, const SMDS_MeshNode n6, const SMDS_MeshNode n7, const SMDS_MeshNode n8, const int id=0, bool force3d=true)

double	GetNodeU (const TopoDS_Edge &theEdge, const SMDS_MeshNode theNode, bool check=0)
	Return U of the given node on the edge. More...

gp_XY	GetNodeUV (const TopoDS_Face &F, const SMDS_MeshNode n, const SMDS_MeshNode inFaceNode=0, bool *check=0) const
	Return node UV on face. More...

bool	CheckNodeUV (const TopoDS_Face &F, const SMDS_MeshNode *n, gp_XY &uv, const double tol) const
	Check and fix node UV on a face. More...

bool	GetNodeUVneedInFaceNode (const TopoDS_Face &F=TopoDS_Face()) const
	Check if inFaceNode argument is necessary for call GetNodeUV(F,..) More...

bool	IsDegenShape (const int subShape) const
	Check if shape is a degenerated edge or it's vertex. More...

bool	IsSeamShape (const int subShape) const
	Check if shape is a seam edge or it's vertex. More...

bool	IsSeamShape (const TopoDS_Shape &subShape) const
	Check if shape is a seam edge or it's vertex. More...

bool	IsRealSeam (const int subShape) const
	Return true if an edge or a vertex encounters twice in face wire. More...

bool	IsRealSeam (const TopoDS_Shape &subShape) const
	Return true if an edge or a vertex encounters twice in face wire. More...

bool	HasSeam () const
	Check if the shape set through IsQuadraticSubMesh() or SetSubShape() has a seam edge. More...

int	GetPeriodicIndex () const
	Return index of periodic parametric direction of a closed face. More...

double	GetOtherParam (const double param) const
	Return an alternative parameter for a node on seam. More...

const SMDS_MeshNode *	GetMediumNode (const SMDS_MeshNode n1, const SMDS_MeshNode n2, const bool force3d)
	Special function for search or creation medium node. More...

void	AddTLinkNode (const SMDS_MeshNode n1, const SMDS_MeshNode n2, const SMDS_MeshNode *n12)

void	AddTLinkNodeMap (const TLinkNodeMap &aMap)
	Auxilary function for filling myTLinkNodeMap. More...

const TLinkNodeMap &	GetTLinkNodeMap () const
	Returns myTLinkNodeMap. More...

MType	IsQuadraticMesh ()

Static Public Member Functions
static bool	IsMedium (const SMDS_MeshNode *node, const SMDSAbs_ElementType typeToCheck=SMDSAbs_All)
	Returns true if given node is medium. More...

static bool	LoadNodeColumns (TParam2ColumnMap &theParam2ColumnMap, const TopoDS_Face &theFace, const TopoDS_Edge &theBaseEdge, SMESHDS_Mesh *theMesh)
	Load nodes bound to face into a map of node columns. More...

static TopoDS_Shape	GetSubShapeByNode (const SMDS_MeshNode node, SMESHDS_Mesh meshDS)
	Return support shape of a node. More...

static int	WrapIndex (const int ind, const int nbNodes)
	Return a valid node index, fixing the given one if necessary. More...

static int	NbAncestors (const TopoDS_Shape &shape, const SMESH_Mesh &mesh, TopAbs_ShapeEnum ancestorType=TopAbs_SHAPE)
	Return number of unique ancestors of the shape. More...

static gp_XY	GetMiddleUV (const Handle(Geom_Surface)&surface, const gp_XY &uv1, const gp_XY &uv2)
	Return middle UV taking in account surface period. More...

Protected Member Functions
gp_Pnt2d	GetUVOnSeam (const gp_Pnt2d &uv1, const gp_Pnt2d &uv2) const
	Select UV on either of 2 pcurves of a seam edge, closest to the given UV. More...

Private Member Functions
	SMESH_MesherHelper (const SMESH_MesherHelper &theOther)

Private Attributes
TLinkNodeMap	myTLinkNodeMap

std::set< int >	myDegenShapeIds

std::set< int >	mySeamShapeIds

double	myPar1

double	myPar2

int	myParIndex

TopoDS_Shape	myShape

SMESH_Mesh *	myMesh

int	myShapeID

bool	myCreateQuadratic

bool	mySetElemOnShape

std::set< int >	myOkNodePosShapes

Detailed Description

Definition at line 57 of file SMESH_MesherHelper.hxx.

Member Enumeration Documentation

enum SMESH_MesherHelper::MType

Check mesh without geometry for: if all elements on this shape are quadratic, quadratic elements will be created.

Used then generated 3D mesh without geometry.

Enumerator
LINEAR
QUADRATIC
COMP

Definition at line 362 of file SMESH_MesherHelper.hxx.

Constructor & Destructor Documentation

SMESH_MesherHelper::SMESH_MesherHelper ( SMESH_Mesh & theMesh )

SMESH_MesherHelper::SMESH_MesherHelper ( const SMESH_MesherHelper & theOther )

private

Definition at line 378 of file SMESH_MesherHelper.hxx.

Member Function Documentation

static bool SMESH_MesherHelper::IsMedium	(	const SMDS_MeshNode *	node,
		const SMDSAbs_ElementType	typeToCheck = `SMDSAbs_All`
	)

static

Returns true if given node is medium.

Parameters

n	- node to check
typeToCheck	- type of elements containing the node to ask about node status

Return values

bool	- check result

static bool SMESH_MesherHelper::LoadNodeColumns	(	TParam2ColumnMap &	theParam2ColumnMap,
		const TopoDS_Face &	theFace,
		const TopoDS_Edge &	theBaseEdge,
		SMESHDS_Mesh *	theMesh
	)

static

Load nodes bound to face into a map of node columns.

Parameters

theParam2ColumnMap	- map of node columns to fill
theFace	- the face on which nodes are searched for
theBaseEdge	- the edge nodes of which are columns' bases
theMesh	- the mesh containing nodes

Return values

bool	- false if something is wrong

The key of the map is a normalized parameter of each base node on theBaseEdge. This method works in supposition that nodes on the face forms a rectangular grid and elements can be quardrangles or triangles

static TopoDS_Shape SMESH_MesherHelper::GetSubShapeByNode	(	const SMDS_MeshNode *	node,
		SMESHDS_Mesh *	meshDS
	)

static

Return support shape of a node.

Parameters

node	- the node
meshDS	- mesh DS

Return values

TopoDS_Shape - found support shape

static int SMESH_MesherHelper::WrapIndex	(	const int	ind,
		const int	nbNodes
	)

static

Return a valid node index, fixing the given one if necessary.

Parameters

ind	- node index
nbNodes	- total nb of nodes

Return values

int	- valid node index

Definition at line 103 of file SMESH_MesherHelper.hxx.

static int SMESH_MesherHelper::NbAncestors	(	const TopoDS_Shape &	shape,
		const SMESH_Mesh &	mesh,
		TopAbs_ShapeEnum	ancestorType = `TopAbs_SHAPE`
	)

static

Return number of unique ancestors of the shape.

SMESH_Mesh* SMESH_MesherHelper::GetMesh ( ) const

Definition at line 122 of file SMESH_MesherHelper.hxx.

SMESHDS_Mesh* SMESH_MesherHelper::GetMeshDS ( ) const

Definition at line 124 of file SMESH_MesherHelper.hxx.

bool SMESH_MesherHelper::IsQuadraticSubMesh ( const TopoDS_Shape & theShape )

Check submesh for given shape: if all elements on this shape are quadratic, quadratic elements will be created. Also fill myTLinkNodeMap

void SMESH_MesherHelper::SetIsQuadratic ( const bool theBuildQuadratic )

Set order of elements to create without calling IsQuadraticSubMesh()

Definition at line 134 of file SMESH_MesherHelper.hxx.

bool SMESH_MesherHelper::GetIsQuadratic ( ) const

Return myCreateQuadratic flag.

Definition at line 139 of file SMESH_MesherHelper.hxx.

void SMESH_MesherHelper::FixQuadraticElements ( bool volumeOnly = true )

Move medium nodes of faces and volumes to fix distorted elements.

Parameters

volumeOnly - fix nodes on geom faces or not if the shape is solid

void SMESH_MesherHelper::SetElementsOnShape ( bool toSet )

To set created elements on the shape set by IsQuadraticSubMesh() or the next methods. By defaul elements are set on the shape if a mesh has no shape to be meshed.

Definition at line 152 of file SMESH_MesherHelper.hxx.

void SMESH_MesherHelper::SetSubShape ( const int subShapeID )

Set shape to make elements on without calling IsQuadraticSubMesh()

void SMESH_MesherHelper::SetSubShape ( const TopoDS_Shape & subShape )

==SMESHDS_Mesh::ShapeToIndex(shape)

int SMESH_MesherHelper::GetSubShapeID ( ) const

Return ID of the shape set by IsQuadraticSubMesh() or SetSubShape()

Return values

int	- shape index in SMESHDS

Definition at line 163 of file SMESH_MesherHelper.hxx.

TopoDS_Shape SMESH_MesherHelper::GetSubShape ( ) const

Return the shape set by IsQuadraticSubMesh() or SetSubShape()

Definition at line 167 of file SMESH_MesherHelper.hxx.

SMDS_MeshNode* SMESH_MesherHelper::AddNode	(	double	x,
		double	y,
		double	z,
		int	ID = `0`
	)

Creates a node

SMDS_MeshEdge* SMESH_MesherHelper::AddEdge	(	const SMDS_MeshNode *	n1,
		const SMDS_MeshNode *	n2,
		const int	id = `0`,
		const bool	force3d = `true`
	)

Creates quadratic or linear edge

SMDS_MeshFace* SMESH_MesherHelper::AddFace	(	const SMDS_MeshNode *	n1,
		const SMDS_MeshNode *	n2,
		const SMDS_MeshNode *	n3,
		const int	id = `0`,
		const bool	force3d = `false`
	)

Creates quadratic or linear triangle

SMDS_MeshFace* SMESH_MesherHelper::AddFace	(	const SMDS_MeshNode *	n1,
		const SMDS_MeshNode *	n2,
		const SMDS_MeshNode *	n3,
		const SMDS_MeshNode *	n4,
		const int	id = `0`,
		const bool	force3d = `false`
	)

Creates quadratic or linear quadrangle

SMDS_MeshVolume* SMESH_MesherHelper::AddVolume	(	const SMDS_MeshNode *	n1,
		const SMDS_MeshNode *	n2,
		const SMDS_MeshNode *	n3,
		const SMDS_MeshNode *	n4,
		const int	id = `0`,
		const bool	force3d = `true`
	)

Creates quadratic or linear tetraahedron

SMDS_MeshVolume* SMESH_MesherHelper::AddVolume	(	const SMDS_MeshNode *	n1,
		const SMDS_MeshNode *	n2,
		const SMDS_MeshNode *	n3,
		const SMDS_MeshNode *	n4,
		const SMDS_MeshNode *	n5,
		const int	id = `0`,
		const bool	force3d = `true`
	)

Creates quadratic or linear pyramid

SMDS_MeshVolume* SMESH_MesherHelper::AddVolume	(	const SMDS_MeshNode *	n1,
		const SMDS_MeshNode *	n2,
		const SMDS_MeshNode *	n3,
		const SMDS_MeshNode *	n4,
		const SMDS_MeshNode *	n5,
		const SMDS_MeshNode *	n6,
		const int	id = `0`,
		const bool	force3d = `true`
	)

Creates quadratic or linear pentahedron

SMDS_MeshVolume* SMESH_MesherHelper::AddVolume	(	const SMDS_MeshNode *	n1,
		const SMDS_MeshNode *	n2,
		const SMDS_MeshNode *	n3,
		const SMDS_MeshNode *	n4,
		const SMDS_MeshNode *	n5,
		const SMDS_MeshNode *	n6,
		const SMDS_MeshNode *	n7,
		const SMDS_MeshNode *	n8,
		const int	id = `0`,
		bool	force3d = `true`
	)

Creates quadratic or linear hexahedron

double SMESH_MesherHelper::GetNodeU	(	const TopoDS_Edge &	theEdge,
		const SMDS_MeshNode *	theNode,
		bool *	check = `0`
	)

Return U of the given node on the edge.

gp_XY SMESH_MesherHelper::GetNodeUV	(	const TopoDS_Face &	F,
		const SMDS_MeshNode *	n,
		const SMDS_MeshNode *	inFaceNode = `0`,
		bool *	check = `0`
	)		const

Return node UV on face.

Parameters

inFaceNode - a node of element being created located inside a face

Referenced by StdMeshers_PrismAsBlock::TSideFace::GetNodeUV().

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bool SMESH_MesherHelper::CheckNodeUV	(	const TopoDS_Face &	F,
		const SMDS_MeshNode *	n,
		gp_XY &	uv,
		const double	tol
	)		const

Check and fix node UV on a face.

Return values

bool	- false if UV is bad and could not be fixed

static gp_XY SMESH_MesherHelper::GetMiddleUV	(	const Handle(Geom_Surface)&	surface,
		const gp_XY &	uv1,
		const gp_XY &	uv2
	)

static

Return middle UV taking in account surface period.

bool SMESH_MesherHelper::GetNodeUVneedInFaceNode ( const TopoDS_Face & F = TopoDS_Face() ) const

Check if inFaceNode argument is necessary for call GetNodeUV(F,..)

Return values

bool	- return true if the face is periodic

if F is Null, answer about subshape set through IsQuadraticSubMesh() or SetSubShape()

bool SMESH_MesherHelper::IsDegenShape ( const int subShape ) const

Check if shape is a degenerated edge or it's vertex.

Parameters

subShape - edge or vertex index in SMESHDS

Return values

bool	- true if subShape is a degenerated shape

It works only if IsQuadraticSubMesh() or SetSubShape() has been called

Definition at line 284 of file SMESH_MesherHelper.hxx.

bool SMESH_MesherHelper::IsSeamShape ( const int subShape ) const

Check if shape is a seam edge or it's vertex.

Parameters

subShape - edge or vertex index in SMESHDS

Return values

bool	- true if subShape is a seam shape

It works only if IsQuadraticSubMesh() or SetSubShape() has been called. Seam shape has two 2D alternative represenations on the face

Definition at line 294 of file SMESH_MesherHelper.hxx.

bool SMESH_MesherHelper::IsSeamShape ( const TopoDS_Shape & subShape ) const

Check if shape is a seam edge or it's vertex.

Parameters

subShape - edge or vertex

Return values

bool	- true if subShape is a seam shape

It works only if IsQuadraticSubMesh() or SetSubShape() has been called. Seam shape has two 2D alternative represenations on the face

Definition at line 304 of file SMESH_MesherHelper.hxx.

bool SMESH_MesherHelper::IsRealSeam ( const int subShape ) const

Return true if an edge or a vertex encounters twice in face wire.

Parameters

subShape - Id of edge or vertex

Definition at line 310 of file SMESH_MesherHelper.hxx.

bool SMESH_MesherHelper::IsRealSeam ( const TopoDS_Shape & subShape ) const

Return true if an edge or a vertex encounters twice in face wire.

Parameters

subShape - edge or vertex

Definition at line 316 of file SMESH_MesherHelper.hxx.

bool SMESH_MesherHelper::HasSeam ( ) const

Check if the shape set through IsQuadraticSubMesh() or SetSubShape() has a seam edge.

Return values

bool	- true if it has

Definition at line 323 of file SMESH_MesherHelper.hxx.

int SMESH_MesherHelper::GetPeriodicIndex ( ) const

Return index of periodic parametric direction of a closed face.

Return values

int	- 1 for U, 2 for V direction

Definition at line 328 of file SMESH_MesherHelper.hxx.

double SMESH_MesherHelper::GetOtherParam ( const double param ) const

Return an alternative parameter for a node on seam.

const SMDS_MeshNode* SMESH_MesherHelper::GetMediumNode	(	const SMDS_MeshNode *	n1,
		const SMDS_MeshNode *	n2,
		const bool	force3d
	)

Special function for search or creation medium node.

void SMESH_MesherHelper::AddTLinkNode	(	const SMDS_MeshNode *	n1,
		const SMDS_MeshNode *	n2,
		const SMDS_MeshNode *	n12
	)

Auxilary function for filling myTLinkNodeMap

void SMESH_MesherHelper::AddTLinkNodeMap ( const TLinkNodeMap & aMap )

Auxilary function for filling myTLinkNodeMap.

Definition at line 349 of file SMESH_MesherHelper.hxx.

const TLinkNodeMap& SMESH_MesherHelper::GetTLinkNodeMap ( ) const

Returns myTLinkNodeMap.

Definition at line 355 of file SMESH_MesherHelper.hxx.

MType SMESH_MesherHelper::IsQuadraticMesh ( )

gp_Pnt2d SMESH_MesherHelper::GetUVOnSeam	(	const gp_Pnt2d &	uv1,
		const gp_Pnt2d &	uv2
	)		const

protected

Select UV on either of 2 pcurves of a seam edge, closest to the given UV.

Parameters

uv1	- UV on the seam
uv2	- UV within a face

Return values

gp_Pnt2d - selected UV

Field Documentation

TLinkNodeMap SMESH_MesherHelper::myTLinkNodeMap

private

Definition at line 378 of file SMESH_MesherHelper.hxx.

std::set< int > SMESH_MesherHelper::myDegenShapeIds

private

Definition at line 383 of file SMESH_MesherHelper.hxx.

std::set< int > SMESH_MesherHelper::mySeamShapeIds

private

Definition at line 384 of file SMESH_MesherHelper.hxx.

double SMESH_MesherHelper::myPar1

private

Definition at line 385 of file SMESH_MesherHelper.hxx.

double SMESH_MesherHelper::myPar2

private

Definition at line 385 of file SMESH_MesherHelper.hxx.

int SMESH_MesherHelper::myParIndex

private

Definition at line 386 of file SMESH_MesherHelper.hxx.

TopoDS_Shape SMESH_MesherHelper::myShape

private

Definition at line 388 of file SMESH_MesherHelper.hxx.

SMESH_Mesh* SMESH_MesherHelper::myMesh

private

Definition at line 389 of file SMESH_MesherHelper.hxx.

int SMESH_MesherHelper::myShapeID

private

Definition at line 390 of file SMESH_MesherHelper.hxx.

bool SMESH_MesherHelper::myCreateQuadratic

private

Definition at line 393 of file SMESH_MesherHelper.hxx.

bool SMESH_MesherHelper::mySetElemOnShape

private

Definition at line 394 of file SMESH_MesherHelper.hxx.

std::set< int > SMESH_MesherHelper::myOkNodePosShapes

private

Definition at line 395 of file SMESH_MesherHelper.hxx.

Public Types

Public Member Functions

Static Public Member Functions

Protected Member Functions

Private Member Functions

Private Attributes

Detailed Description

Member Enumeration Documentation

Constructor & Destructor Documentation

Member Function Documentation

Field Documentation