BRepGProp_Face Class Reference

#include <BRepGProp_Face.hxx>

Public Member Functions
	BRepGProp_Face (const Standard_Boolean IsUseSpan=Standard_False)
	Constructor. Initializes the object with a flag IsUseSpan that says if it is necessary to define spans on a face. This option has an effect only for BSpline faces. Spans are returned by the methods GetUKnots and GetTKnots. More...
	BRepGProp_Face (const TopoDS_Face &F, const Standard_Boolean IsUseSpan=Standard_False)
	Constructor. Initializes the object with the face and the flag IsUseSpan that says if it is necessary to define spans on a face. This option has an effect only for BSpline faces. Spans are returned by the methods GetUKnots and GetTKnots. More...
void	Load (const TopoDS_Face &F)
Standard_Integer	VIntegrationOrder () const
Standard_Boolean	NaturalRestriction () const
	Returns Standard_True if the face is not trimmed. More...
const TopoDS_Face &	GetFace () const
	Returns the TopoDS face. More...
gp_Pnt2d	Value2d (const Standard_Real U) const
	Returns the value of the boundary curve of the face. More...
Standard_Integer	SIntOrder (const Standard_Real Eps) const
Standard_Integer	SVIntSubs () const
Standard_Integer	SUIntSubs () const
void	UKnots (TColStd_Array1OfReal &Knots) const
void	VKnots (TColStd_Array1OfReal &Knots) const
Standard_Integer	LIntOrder (const Standard_Real Eps) const
Standard_Integer	LIntSubs () const
void	LKnots (TColStd_Array1OfReal &Knots) const
Standard_Integer	UIntegrationOrder () const
	Returns the number of points required to do the integration in the U parametric direction with a good accuracy. More...
void	Bounds (Standard_Real &U1, Standard_Real &U2, Standard_Real &V1, Standard_Real &V2) const
	Returns the parametric bounds of the Face. More...
void	Normal (const Standard_Real U, const Standard_Real V, gp_Pnt &P, gp_Vec &VNor) const
	Computes the point of parameter U, V on the Face <S> and the normal to the face at this point. More...
bool	Load (const TopoDS_Edge &E)
	Loading the boundary arc. Returns FALSE if edge has no P-Curve. More...
Standard_Real	FirstParameter () const
	Returns the parametric value of the start point of the current arc of curve. More...
Standard_Real	LastParameter () const
	Returns the parametric value of the end point of the current arc of curve. More...
Standard_Integer	IntegrationOrder () const
	Returns the number of points required to do the integration along the parameter of curve. More...
void	D12d (const Standard_Real U, gp_Pnt2d &P, gp_Vec2d &V1) const
	Returns the point of parameter U and the first derivative at this point of a boundary curve. More...
void	Load (const Standard_Boolean IsFirstParam, const GeomAbs_IsoType theIsoType)
	Loading the boundary arc. This arc is either a top, bottom, left or right bound of a UV rectangle in which the parameters of surface are defined. If IsFirstParam is equal to Standard_True, the face is initialized by either left of bottom bound. Otherwise it is initialized by the top or right one. If theIsoType is equal to GeomAbs_IsoU, the face is initialized with either left or right bound. Otherwise - with either top or bottom one. More...
void	GetUKnots (const Standard_Real theUMin, const Standard_Real theUMax, Handle< TColStd_HArray1OfReal > &theUKnots) const
	Returns an array of U knots of the face. The first and last elements of the array will be theUMin and theUMax. The middle elements will be the U Knots of the face greater then theUMin and lower then theUMax in increasing order. If the face is not a BSpline, the array initialized with theUMin and theUMax only. More...
void	GetTKnots (const Standard_Real theTMin, const Standard_Real theTMax, Handle< TColStd_HArray1OfReal > &theTKnots) const
	Returns an array of combination of T knots of the arc and V knots of the face. The first and last elements of the array will be theTMin and theTMax. The middle elements will be the Knots of the arc and the values of parameters of arc on which the value points have V coordinates close to V knots of face. All the parameter will be greater then theTMin and lower then theTMax in increasing order. If the face is not a BSpline, the array initialized with theTMin and theTMax only. More...

Constructor & Destructor Documentation

BRepGProp_Face() [1/2]

BRepGProp_Face::BRepGProp_Face

(

const Standard_Boolean

IsUseSpan = Standard_False

)

Constructor. Initializes the object with a flag IsUseSpan that says if it is necessary to define spans on a face. This option has an effect only for BSpline faces. Spans are returned by the methods GetUKnots and GetTKnots.

BRepGProp_Face() [2/2]

BRepGProp_Face::BRepGProp_Face	(	const TopoDS_Face &	F,
		const Standard_Boolean	IsUseSpan = Standard_False
	)

Constructor. Initializes the object with the face and the flag IsUseSpan that says if it is necessary to define spans on a face. This option has an effect only for BSpline faces. Spans are returned by the methods GetUKnots and GetTKnots.

Member Function Documentation

Bounds()

void BRepGProp_Face::Bounds	(	Standard_Real &	U1,
		Standard_Real &	U2,
		Standard_Real &	V1,
		Standard_Real &	V2
	)		const

Returns the parametric bounds of the Face.

D12d()

void BRepGProp_Face::D12d	(	const Standard_Real	U,
		gp_Pnt2d &	P,
		gp_Vec2d &	V1
	)		const

Returns the point of parameter U and the first derivative at this point of a boundary curve.

FirstParameter()

Standard_Real BRepGProp_Face::FirstParameter

(

)

const

Returns the parametric value of the start point of the current arc of curve.

GetFace()

const TopoDS_Face& BRepGProp_Face::GetFace

(

)

const

Returns the TopoDS face.

GetTKnots()

void BRepGProp_Face::GetTKnots	(	const Standard_Real	theTMin,
		const Standard_Real	theTMax,
		Handle< TColStd_HArray1OfReal > &	theTKnots
	)		const

Returns an array of combination of T knots of the arc and V knots of the face. The first and last elements of the array will be theTMin and theTMax. The middle elements will be the Knots of the arc and the values of parameters of arc on which the value points have V coordinates close to V knots of face. All the parameter will be greater then theTMin and lower then theTMax in increasing order. If the face is not a BSpline, the array initialized with theTMin and theTMax only.

GetUKnots()

void BRepGProp_Face::GetUKnots	(	const Standard_Real	theUMin,
		const Standard_Real	theUMax,
		Handle< TColStd_HArray1OfReal > &	theUKnots
	)		const

Returns an array of U knots of the face. The first and last elements of the array will be theUMin and theUMax. The middle elements will be the U Knots of the face greater then theUMin and lower then theUMax in increasing order. If the face is not a BSpline, the array initialized with theUMin and theUMax only.

IntegrationOrder()

Standard_Integer BRepGProp_Face::IntegrationOrder

(

)

const

Returns the number of points required to do the integration along the parameter of curve.

LastParameter()

Standard_Real BRepGProp_Face::LastParameter

(

)

const

Returns the parametric value of the end point of the current arc of curve.

LIntOrder()

Standard_Integer BRepGProp_Face::LIntOrder

(

const Standard_Real

Eps

)

const

LIntSubs()

Standard_Integer BRepGProp_Face::LIntSubs

(

)

const

LKnots()

void BRepGProp_Face::LKnots

(

TColStd_Array1OfReal &

Knots

)

const

Load() [1/3]

void BRepGProp_Face::Load

(

const TopoDS_Face &

F

)

Load() [2/3]

bool BRepGProp_Face::Load

(

const TopoDS_Edge &

E

)

Loading the boundary arc. Returns FALSE if edge has no P-Curve.

Load() [3/3]

void BRepGProp_Face::Load	(	const Standard_Boolean	IsFirstParam,
		const GeomAbs_IsoType	theIsoType
	)

Loading the boundary arc. This arc is either a top, bottom, left or right bound of a UV rectangle in which the parameters of surface are defined. If IsFirstParam is equal to Standard_True, the face is initialized by either left of bottom bound. Otherwise it is initialized by the top or right one. If theIsoType is equal to GeomAbs_IsoU, the face is initialized with either left or right bound. Otherwise - with either top or bottom one.

NaturalRestriction()

Standard_Boolean BRepGProp_Face::NaturalRestriction

(

)

const

Returns Standard_True if the face is not trimmed.

Normal()

void BRepGProp_Face::Normal	(	const Standard_Real	U,
		const Standard_Real	V,
		gp_Pnt &	P,
		gp_Vec &	VNor
	)		const

Computes the point of parameter U, V on the Face <S> and the normal to the face at this point.

SIntOrder()

Standard_Integer BRepGProp_Face::SIntOrder

(

const Standard_Real

Eps

)

const

SUIntSubs()

Standard_Integer BRepGProp_Face::SUIntSubs

(

)

const

SVIntSubs()

Standard_Integer BRepGProp_Face::SVIntSubs

(

)

const

UIntegrationOrder()

Standard_Integer BRepGProp_Face::UIntegrationOrder

(

)

const

Returns the number of points required to do the integration in the U parametric direction with a good accuracy.

UKnots()

void BRepGProp_Face::UKnots

(

TColStd_Array1OfReal &

Knots

)

const

Value2d()

gp_Pnt2d BRepGProp_Face::Value2d

(

const Standard_Real

U

)

const

Returns the value of the boundary curve of the face.

VIntegrationOrder()

Standard_Integer BRepGProp_Face::VIntegrationOrder

(

)

const

VKnots()

void BRepGProp_Face::VKnots

(

TColStd_Array1OfReal &

Knots

)

const

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

• BRepGProp_Face.hxx