#include <BRepGProp_Face.hxx>

Public Member Functions
	BRepGProp_Face (const bool IsUseSpan=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 (const TopoDS_Face &F, const bool IsUseSpan=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.
void	Load (const TopoDS_Face &F)
int	VIntegrationOrder () const
bool	NaturalRestriction () const
	Returns true if the face is not trimmed.
const TopoDS_Face &	GetFace () const
	Returns the TopoDS face.
gp_Pnt2d	Value2d (const double U) const
	Returns the value of the boundary curve of the face.
int	SIntOrder (const double Eps) const
int	SVIntSubs () const
int	SUIntSubs () const
void	UKnots (NCollection_Array1< double > &Knots) const
void	VKnots (NCollection_Array1< double > &Knots) const
int	LIntOrder (const double Eps) const
int	LIntSubs () const
void	LKnots (NCollection_Array1< double > &Knots) const
int	UIntegrationOrder () const
	Returns the number of points required to do the integration in the U parametric direction with a good accuracy.
void	Bounds (double &U1, double &U2, double &V1, double &V2) const
	Returns the parametric bounds of the Face.
void	Normal (const double U, const double V, gp_Pnt &P, gp_Vec &VNor) const
	Computes the point of parameter U, V on the Face ~~and the normal to the face at this point.~~
bool	Load (const TopoDS_Edge &E)
	Loading the boundary arc. Returns FALSE if edge has no P-Curve.
double	FirstParameter () const
	Returns the parametric value of the start point of the current arc of curve.
double	LastParameter () const
	Returns the parametric value of the end point of the current arc of curve.
int	IntegrationOrder () const
	Returns the number of points required to do the integration along the parameter of curve.
void	D12d (const double 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.
void	Load (const bool 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 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.
occ::handle< NCollection_HArray1< double > >	GetUKnots (const double theUMin, const double theUMax) 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.
void	GetUKnots (const double theUMin, const double theUMax, occ::handle< NCollection_HArray1< double > > &theUKnots) const
occ::handle< NCollection_HArray1< double > >	GetTKnots (const double theTMin, const double theTMax) 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.
void	GetTKnots (const double theTMin, const double theTMax, occ::handle< NCollection_HArray1< double > > &theTKnots) const

Constructor & Destructor Documentation

◆ BRepGProp_Face() [1/2]

BRepGProp_Face::BRepGProp_Face ( const bool IsUseSpan = 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 bool	IsUseSpan = 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	(	double &	U1,
		double &	U2,
		double &	V1,
		double &	V2 ) const

Returns the parametric bounds of the Face.

◆ D12d()

void BRepGProp_Face::D12d	(	const double	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()

double 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() [1/2]

occ::handle< NCollection_HArray1< double > > BRepGProp_Face::GetTKnots	(	const double	theTMin,
		const double	theTMax ) const

nodiscard

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.

Parameters

[in]	theTMin	lower T bound
[in]	theTMax	upper T bound

Returns: array of T knot values

◆ GetTKnots() [2/2]

void BRepGProp_Face::GetTKnots	(	const double	theTMin,
		const double	theTMax,
		occ::handle< NCollection_HArray1< double > > &	theTKnots ) const

Deprecated

Use GetTKnots() returning handle by value instead.

("Use GetTKnots() returning handle by value instead")

◆ GetUKnots() [1/2]

occ::handle< NCollection_HArray1< double > > BRepGProp_Face::GetUKnots	(	const double	theUMin,
		const double	theUMax ) const

nodiscard

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.

Parameters

[in]	theUMin	lower U bound
[in]	theUMax	upper U bound

Returns: array of U knot values

◆ GetUKnots() [2/2]

void BRepGProp_Face::GetUKnots	(	const double	theUMin,
		const double	theUMax,
		occ::handle< NCollection_HArray1< double > > &	theUKnots ) const

Deprecated

Use GetUKnots() returning handle by value instead.

("Use GetUKnots() returning handle by value instead")

◆ IntegrationOrder()

int BRepGProp_Face::IntegrationOrder ( ) const

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

◆ LastParameter()

double BRepGProp_Face::LastParameter ( ) const

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

◆ LIntOrder()

int BRepGProp_Face::LIntOrder ( const double Eps ) const

◆ LIntSubs()

int BRepGProp_Face::LIntSubs ( ) const

◆ LKnots()

void BRepGProp_Face::LKnots ( NCollection_Array1< double > & Knots ) const

◆ Load() [1/3]

void BRepGProp_Face::Load	(	const bool	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 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.

◆ 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 TopoDS_Face & F )

◆ NaturalRestriction()

bool BRepGProp_Face::NaturalRestriction ( ) const

Returns true if the face is not trimmed.

◆ Normal()

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

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

◆ SIntOrder()

int BRepGProp_Face::SIntOrder ( const double Eps ) const

◆ SUIntSubs()

int BRepGProp_Face::SUIntSubs ( ) const

◆ SVIntSubs()

int BRepGProp_Face::SVIntSubs ( ) const

◆ UIntegrationOrder()

int 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 ( NCollection_Array1< double > & Knots ) const

◆ Value2d()

gp_Pnt2d BRepGProp_Face::Value2d ( const double U ) const

Returns the value of the boundary curve of the face.

◆ VIntegrationOrder()

int BRepGProp_Face::VIntegrationOrder ( ) const

◆ VKnots()

void BRepGProp_Face::VKnots ( NCollection_Array1< double > & Knots ) const

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

BRepGProp_Face.hxx

Public Member Functions