Defines a non-persistent vector in 3D space. More...

#include <gp_Vec.hxx>

Public Member Functions
	gp_Vec ()
	Creates a zero vector. More...

	gp_Vec (const gp_Dir &V)
	Creates a unitary vector from a direction V. More...

	gp_Vec (const gp_XYZ &Coord)
	Creates a vector with a triplet of coordinates. More...

	gp_Vec (const Standard_Real Xv, const Standard_Real Yv, const Standard_Real Zv)
	Creates a point with its three cartesian coordinates. More...

	gp_Vec (const gp_Pnt &P1, const gp_Pnt &P2)
	Creates a vector from two points. The length of the vector is the distance between P1 and P2. More...

void	SetCoord (const Standard_Integer Index, const Standard_Real Xi)
	Changes the coordinate of range Index Index = 1 => X is modified Index = 2 => Y is modified Index = 3 => Z is modified Raised if Index != {1, 2, 3}. More...

void	SetCoord (const Standard_Real Xv, const Standard_Real Yv, const Standard_Real Zv)
	For this vector, assigns. More...

void	SetX (const Standard_Real X)
	Assigns the given value to the X coordinate of this vector. More...

void	SetY (const Standard_Real Y)
	Assigns the given value to the X coordinate of this vector. More...

void	SetZ (const Standard_Real Z)
	Assigns the given value to the X coordinate of this vector. More...

void	SetXYZ (const gp_XYZ &Coord)
	Assigns the three coordinates of Coord to this vector. More...

Standard_Real	Coord (const Standard_Integer Index) const
	Returns the coordinate of range Index : Index = 1 => X is returned Index = 2 => Y is returned Index = 3 => Z is returned Raised if Index != {1, 2, 3}. More...

void	Coord (Standard_Real &Xv, Standard_Real &Yv, Standard_Real &Zv) const
	For this vector returns its three coordinates Xv, Yv, and Zvinline. More...

Standard_Real	X () const
	For this vector, returns its X coordinate. More...

Standard_Real	Y () const
	For this vector, returns its Y coordinate. More...

Standard_Real	Z () const
	For this vector, returns its Z coordinate. More...

const gp_XYZ &	XYZ () const
	For this vector, returns. More...

Standard_Boolean	IsEqual (const gp_Vec &Other, const Standard_Real LinearTolerance, const Standard_Real AngularTolerance) const
	Returns True if the two vectors have the same magnitude value and the same direction. The precision values are LinearTolerance for the magnitude and AngularTolerance for the direction. More...

Standard_Boolean	IsNormal (const gp_Vec &Other, const Standard_Real AngularTolerance) const
	Returns True if abs(<me>.Angle(Other) - PI/2.) <= AngularTolerance Raises VectorWithNullMagnitude if <me>.Magnitude() <= Resolution or Other.Magnitude() <= Resolution from gp. More...

Standard_Boolean	IsOpposite (const gp_Vec &Other, const Standard_Real AngularTolerance) const
	Returns True if PI - <me>.Angle(Other) <= AngularTolerance Raises VectorWithNullMagnitude if <me>.Magnitude() <= Resolution or Other.Magnitude() <= Resolution from gp. More...

Standard_Boolean	IsParallel (const gp_Vec &Other, const Standard_Real AngularTolerance) const
	Returns True if Angle(<me>, Other) <= AngularTolerance or PI - Angle(<me>, Other) <= AngularTolerance This definition means that two parallel vectors cannot define a plane but two vectors with opposite directions are considered as parallel. Raises VectorWithNullMagnitude if <me>.Magnitude() <= Resolution or Other.Magnitude() <= Resolution from gp. More...

Standard_Real	Angle (const gp_Vec &Other) const
	Computes the angular value between <me> and <Other> Returns the angle value between 0 and PI in radian. Raises VectorWithNullMagnitude if <me>.Magnitude() <= Resolution from gp or Other.Magnitude() <= Resolution because the angular value is indefinite if one of the vectors has a null magnitude. More...

Standard_Real	AngleWithRef (const gp_Vec &Other, const gp_Vec &VRef) const
	Computes the angle, in radians, between this vector and vector Other. The result is a value between -Pi and Pi. For this, VRef defines the positive sense of rotation: the angular value is positive, if the cross product this ^ Other has the same orientation as VRef relative to the plane defined by the vectors this and Other. Otherwise, the angular value is negative. Exceptions gp_VectorWithNullMagnitude if the magnitude of this vector, the vector Other, or the vector VRef is less than or equal to gp::Resolution(). Standard_DomainError if this vector, the vector Other, and the vector VRef are coplanar, unless this vector and the vector Other are parallel. More...

Standard_Real	Magnitude () const
	Computes the magnitude of this vector. More...

Standard_Real	SquareMagnitude () const
	Computes the square magnitude of this vector. More...

void	Add (const gp_Vec &Other)
	Adds two vectors. More...

void	operator+= (const gp_Vec &Other)

gp_Vec	Added (const gp_Vec &Other) const
	Adds two vectors. More...

gp_Vec	operator+ (const gp_Vec &Other) const

void	Subtract (const gp_Vec &Right)
	Subtracts two vectors. More...

void	operator-= (const gp_Vec &Right)

gp_Vec	Subtracted (const gp_Vec &Right) const
	Subtracts two vectors. More...

gp_Vec	operator- (const gp_Vec &Right) const

void	Multiply (const Standard_Real Scalar)
	Multiplies a vector by a scalar. More...

void	operator*= (const Standard_Real Scalar)

gp_Vec	Multiplied (const Standard_Real Scalar) const
	Multiplies a vector by a scalar. More...

gp_Vec	operator* (const Standard_Real Scalar) const

void	Divide (const Standard_Real Scalar)
	Divides a vector by a scalar. More...

void	operator/= (const Standard_Real Scalar)

gp_Vec	Divided (const Standard_Real Scalar) const
	Divides a vector by a scalar. More...

gp_Vec	operator/ (const Standard_Real Scalar) const

void	Cross (const gp_Vec &Right)
	computes the cross product between two vectors More...

void	operator^= (const gp_Vec &Right)

gp_Vec	Crossed (const gp_Vec &Right) const
	computes the cross product between two vectors More...

gp_Vec	operator^ (const gp_Vec &Right) const

Standard_Real	CrossMagnitude (const gp_Vec &Right) const
	Computes the magnitude of the cross product between <me> and Right. Returns \|\| <me> ^ Right \|\|. More...

Standard_Real	CrossSquareMagnitude (const gp_Vec &Right) const
	Computes the square magnitude of the cross product between <me> and Right. Returns \|\| <me> ^ Right \|\|**2. More...

void	CrossCross (const gp_Vec &V1, const gp_Vec &V2)
	Computes the triple vector product. <me> ^= (V1 ^ V2) More...

gp_Vec	CrossCrossed (const gp_Vec &V1, const gp_Vec &V2) const
	Computes the triple vector product. <me> ^ (V1 ^ V2) More...

Standard_Real	Dot (const gp_Vec &Other) const
	computes the scalar product More...

Standard_Real	operator* (const gp_Vec &Other) const

Standard_Real	DotCross (const gp_Vec &V1, const gp_Vec &V2) const
	Computes the triple scalar product <me> * (V1 ^ V2). More...

void	Normalize ()
	normalizes a vector Raises an exception if the magnitude of the vector is lower or equal to Resolution from gp. More...

gp_Vec	Normalized () const
	normalizes a vector Raises an exception if the magnitude of the vector is lower or equal to Resolution from gp. More...

void	Reverse ()
	Reverses the direction of a vector. More...

gp_Vec	Reversed () const
	Reverses the direction of a vector. More...

gp_Vec	operator- () const

void	SetLinearForm (const Standard_Real A1, const gp_Vec &V1, const Standard_Real A2, const gp_Vec &V2, const Standard_Real A3, const gp_Vec &V3, const gp_Vec &V4)
	<me> is set to the following linear form : A1 * V1 + A2 * V2 + A3 * V3 + V4 More...

void	SetLinearForm (const Standard_Real A1, const gp_Vec &V1, const Standard_Real A2, const gp_Vec &V2, const Standard_Real A3, const gp_Vec &V3)
	<me> is set to the following linear form : A1 * V1 + A2 * V2 + A3 * V3 More...

void	SetLinearForm (const Standard_Real A1, const gp_Vec &V1, const Standard_Real A2, const gp_Vec &V2, const gp_Vec &V3)
	<me> is set to the following linear form : A1 * V1 + A2 * V2 + V3 More...

void	SetLinearForm (const Standard_Real A1, const gp_Vec &V1, const Standard_Real A2, const gp_Vec &V2)
	<me> is set to the following linear form : A1 * V1 + A2 * V2 More...

void	SetLinearForm (const Standard_Real A1, const gp_Vec &V1, const gp_Vec &V2)
	<me> is set to the following linear form : A1 * V1 + V2 More...

void	SetLinearForm (const gp_Vec &V1, const gp_Vec &V2)
	<me> is set to the following linear form : V1 + V2 More...

void	Mirror (const gp_Vec &V)

gp_Vec	Mirrored (const gp_Vec &V) const
	Performs the symmetrical transformation of a vector with respect to the vector V which is the center of the symmetry. More...

void	Mirror (const gp_Ax1 &A1)

gp_Vec	Mirrored (const gp_Ax1 &A1) const
	Performs the symmetrical transformation of a vector with respect to an axis placement which is the axis of the symmetry. More...

void	Mirror (const gp_Ax2 &A2)

gp_Vec	Mirrored (const gp_Ax2 &A2) const
	Performs the symmetrical transformation of a vector with respect to a plane. The axis placement A2 locates the plane of the symmetry : (Location, XDirection, YDirection). More...

void	Rotate (const gp_Ax1 &A1, const Standard_Real Ang)

gp_Vec	Rotated (const gp_Ax1 &A1, const Standard_Real Ang) const
	Rotates a vector. A1 is the axis of the rotation. Ang is the angular value of the rotation in radians. More...

void	Scale (const Standard_Real S)

gp_Vec	Scaled (const Standard_Real S) const
	Scales a vector. S is the scaling value. More...

void	Transform (const gp_Trsf &T)
	Transforms a vector with the transformation T. More...

gp_Vec	Transformed (const gp_Trsf &T) const
	Transforms a vector with the transformation T. More...

Detailed Description

Defines a non-persistent vector in 3D space.

Constructor & Destructor Documentation

gp_Vec::gp_Vec ( )

Creates a zero vector.

gp_Vec::gp_Vec ( const gp_Dir & V )

Creates a unitary vector from a direction V.

gp_Vec::gp_Vec ( const gp_XYZ & Coord )

Creates a vector with a triplet of coordinates.

gp_Vec::gp_Vec	(	const Standard_Real	Xv,
		const Standard_Real	Yv,
		const Standard_Real	Zv
	)

Creates a point with its three cartesian coordinates.

gp_Vec::gp_Vec	(	const gp_Pnt &	P1,
		const gp_Pnt &	P2
	)

Creates a vector from two points. The length of the vector is the distance between P1 and P2.

Member Function Documentation

void gp_Vec::Add ( const gp_Vec & Other )

Adds two vectors.

gp_Vec gp_Vec::Added ( const gp_Vec & Other ) const

Adds two vectors.

Standard_Real gp_Vec::Angle ( const gp_Vec & Other ) const

Computes the angular value between <me> and <Other> Returns the angle value between 0 and PI in radian. Raises VectorWithNullMagnitude if <me>.Magnitude() <= Resolution from gp or Other.Magnitude() <= Resolution because the angular value is indefinite if one of the vectors has a null magnitude.

Standard_Real gp_Vec::AngleWithRef	(	const gp_Vec &	Other,
		const gp_Vec &	VRef
	)		const

Computes the angle, in radians, between this vector and vector Other. The result is a value between -Pi and Pi. For this, VRef defines the positive sense of rotation: the angular value is positive, if the cross product this ^ Other has the same orientation as VRef relative to the plane defined by the vectors this and Other. Otherwise, the angular value is negative. Exceptions gp_VectorWithNullMagnitude if the magnitude of this vector, the vector Other, or the vector VRef is less than or equal to gp::Resolution(). Standard_DomainError if this vector, the vector Other, and the vector VRef are coplanar, unless this vector and the vector Other are parallel.

Standard_Real gp_Vec::Coord ( const Standard_Integer Index ) const

Returns the coordinate of range Index : Index = 1 => X is returned Index = 2 => Y is returned Index = 3 => Z is returned Raised if Index != {1, 2, 3}.

void gp_Vec::Coord	(	Standard_Real &	Xv,
		Standard_Real &	Yv,
		Standard_Real &	Zv
	)		const

For this vector returns its three coordinates Xv, Yv, and Zvinline.

void gp_Vec::Cross ( const gp_Vec & Right )

computes the cross product between two vectors

void gp_Vec::CrossCross	(	const gp_Vec &	V1,
		const gp_Vec &	V2
	)

Computes the triple vector product. <me> ^= (V1 ^ V2)

gp_Vec gp_Vec::CrossCrossed	(	const gp_Vec &	V1,
		const gp_Vec &	V2
	)		const

Computes the triple vector product. <me> ^ (V1 ^ V2)

gp_Vec gp_Vec::Crossed ( const gp_Vec & Right ) const

computes the cross product between two vectors

Standard_Real gp_Vec::CrossMagnitude ( const gp_Vec & Right ) const

Computes the magnitude of the cross product between <me> and Right. Returns || <me> ^ Right ||.

Standard_Real gp_Vec::CrossSquareMagnitude ( const gp_Vec & Right ) const

Computes the square magnitude of the cross product between <me> and Right. Returns || <me> ^ Right ||**2.

void gp_Vec::Divide ( const Standard_Real Scalar )

Divides a vector by a scalar.

gp_Vec gp_Vec::Divided ( const Standard_Real Scalar ) const

Divides a vector by a scalar.

Standard_Real gp_Vec::Dot ( const gp_Vec & Other ) const

computes the scalar product

Standard_Real gp_Vec::DotCross	(	const gp_Vec &	V1,
		const gp_Vec &	V2
	)		const

Computes the triple scalar product <me> * (V1 ^ V2).

Standard_Boolean gp_Vec::IsEqual	(	const gp_Vec &	Other,
		const Standard_Real	LinearTolerance,
		const Standard_Real	AngularTolerance
	)		const

Returns True if the two vectors have the same magnitude value and the same direction. The precision values are LinearTolerance for the magnitude and AngularTolerance for the direction.

Standard_Boolean gp_Vec::IsNormal	(	const gp_Vec &	Other,
		const Standard_Real	AngularTolerance
	)		const

Returns True if abs(<me>.Angle(Other) - PI/2.) <= AngularTolerance Raises VectorWithNullMagnitude if <me>.Magnitude() <= Resolution or Other.Magnitude() <= Resolution from gp.

Standard_Boolean gp_Vec::IsOpposite	(	const gp_Vec &	Other,
		const Standard_Real	AngularTolerance
	)		const

Returns True if PI - <me>.Angle(Other) <= AngularTolerance Raises VectorWithNullMagnitude if <me>.Magnitude() <= Resolution or Other.Magnitude() <= Resolution from gp.

Standard_Boolean gp_Vec::IsParallel	(	const gp_Vec &	Other,
		const Standard_Real	AngularTolerance
	)		const

Returns True if Angle(<me>, Other) <= AngularTolerance or PI - Angle(<me>, Other) <= AngularTolerance This definition means that two parallel vectors cannot define a plane but two vectors with opposite directions are considered as parallel. Raises VectorWithNullMagnitude if <me>.Magnitude() <= Resolution or Other.Magnitude() <= Resolution from gp.

Standard_Real gp_Vec::Magnitude ( ) const

Computes the magnitude of this vector.

void gp_Vec::Mirror ( const gp_Vec & V )

void gp_Vec::Mirror ( const gp_Ax1 & A1 )

void gp_Vec::Mirror ( const gp_Ax2 & A2 )

gp_Vec gp_Vec::Mirrored ( const gp_Vec & V ) const

Performs the symmetrical transformation of a vector with respect to the vector V which is the center of the symmetry.

gp_Vec gp_Vec::Mirrored ( const gp_Ax1 & A1 ) const

Performs the symmetrical transformation of a vector with respect to an axis placement which is the axis of the symmetry.

gp_Vec gp_Vec::Mirrored ( const gp_Ax2 & A2 ) const

Performs the symmetrical transformation of a vector with respect to a plane. The axis placement A2 locates the plane of the symmetry : (Location, XDirection, YDirection).

gp_Vec gp_Vec::Multiplied ( const Standard_Real Scalar ) const

Multiplies a vector by a scalar.

void gp_Vec::Multiply ( const Standard_Real Scalar )

Multiplies a vector by a scalar.

void gp_Vec::Normalize ( )

normalizes a vector Raises an exception if the magnitude of the vector is lower or equal to Resolution from gp.

gp_Vec gp_Vec::Normalized ( ) const

normalizes a vector Raises an exception if the magnitude of the vector is lower or equal to Resolution from gp.

gp_Vec gp_Vec::operator* ( const Standard_Real Scalar ) const

inline

Standard_Real gp_Vec::operator* ( const gp_Vec & Other ) const

inline

void gp_Vec::operator*= ( const Standard_Real Scalar )

inline

gp_Vec gp_Vec::operator+ ( const gp_Vec & Other ) const

inline

void gp_Vec::operator+= ( const gp_Vec & Other )

inline

gp_Vec gp_Vec::operator- ( const gp_Vec & Right ) const

inline

gp_Vec gp_Vec::operator- ( ) const

inline

void gp_Vec::operator-= ( const gp_Vec & Right )

inline

gp_Vec gp_Vec::operator/ ( const Standard_Real Scalar ) const

inline

void gp_Vec::operator/= ( const Standard_Real Scalar )

inline

gp_Vec gp_Vec::operator^ ( const gp_Vec & Right ) const

inline

void gp_Vec::operator^= ( const gp_Vec & Right )

inline

void gp_Vec::Reverse ( )

Reverses the direction of a vector.

gp_Vec gp_Vec::Reversed ( ) const

Reverses the direction of a vector.

void gp_Vec::Rotate	(	const gp_Ax1 &	A1,
		const Standard_Real	Ang
	)

gp_Vec gp_Vec::Rotated	(	const gp_Ax1 &	A1,
		const Standard_Real	Ang
	)		const

Rotates a vector. A1 is the axis of the rotation. Ang is the angular value of the rotation in radians.

void gp_Vec::Scale ( const Standard_Real S )

gp_Vec gp_Vec::Scaled ( const Standard_Real S ) const

Scales a vector. S is the scaling value.

void gp_Vec::SetCoord	(	const Standard_Integer	Index,
		const Standard_Real	Xi
	)

Changes the coordinate of range Index Index = 1 => X is modified Index = 2 => Y is modified Index = 3 => Z is modified Raised if Index != {1, 2, 3}.

void gp_Vec::SetCoord	(	const Standard_Real	Xv,
		const Standard_Real	Yv,
		const Standard_Real	Zv
	)

For this vector, assigns.

the values Xv, Yv and Zv to its three coordinates.

void gp_Vec::SetLinearForm	(	const Standard_Real	A1,
		const gp_Vec &	V1,
		const Standard_Real	A2,
		const gp_Vec &	V2,
		const Standard_Real	A3,
		const gp_Vec &	V3,
		const gp_Vec &	V4
	)

<me> is set to the following linear form : A1 * V1 + A2 * V2 + A3 * V3 + V4

void gp_Vec::SetLinearForm	(	const Standard_Real	A1,
		const gp_Vec &	V1,
		const Standard_Real	A2,
		const gp_Vec &	V2,
		const Standard_Real	A3,
		const gp_Vec &	V3
	)

<me> is set to the following linear form : A1 * V1 + A2 * V2 + A3 * V3

void gp_Vec::SetLinearForm	(	const Standard_Real	A1,
		const gp_Vec &	V1,
		const Standard_Real	A2,
		const gp_Vec &	V2,
		const gp_Vec &	V3
	)

<me> is set to the following linear form : A1 * V1 + A2 * V2 + V3

void gp_Vec::SetLinearForm	(	const Standard_Real	A1,
		const gp_Vec &	V1,
		const Standard_Real	A2,
		const gp_Vec &	V2
	)

<me> is set to the following linear form : A1 * V1 + A2 * V2

void gp_Vec::SetLinearForm	(	const Standard_Real	A1,
		const gp_Vec &	V1,
		const gp_Vec &	V2
	)

<me> is set to the following linear form : A1 * V1 + V2

void gp_Vec::SetLinearForm	(	const gp_Vec &	V1,
		const gp_Vec &	V2
	)

<me> is set to the following linear form : V1 + V2

void gp_Vec::SetX ( const Standard_Real X )

Assigns the given value to the X coordinate of this vector.

void gp_Vec::SetXYZ ( const gp_XYZ & Coord )

Assigns the three coordinates of Coord to this vector.

void gp_Vec::SetY ( const Standard_Real Y )

Assigns the given value to the X coordinate of this vector.

void gp_Vec::SetZ ( const Standard_Real Z )

Assigns the given value to the X coordinate of this vector.

Standard_Real gp_Vec::SquareMagnitude ( ) const

Computes the square magnitude of this vector.

void gp_Vec::Subtract ( const gp_Vec & Right )

Subtracts two vectors.

gp_Vec gp_Vec::Subtracted ( const gp_Vec & Right ) const

Subtracts two vectors.

void gp_Vec::Transform ( const gp_Trsf & T )

Transforms a vector with the transformation T.

gp_Vec gp_Vec::Transformed ( const gp_Trsf & T ) const

Transforms a vector with the transformation T.

Standard_Real gp_Vec::X ( ) const

For this vector, returns its X coordinate.

const gp_XYZ& gp_Vec::XYZ ( ) const

For this vector, returns.

its three coordinates as a number triple

Standard_Real gp_Vec::Y ( ) const

For this vector, returns its Y coordinate.

Standard_Real gp_Vec::Z ( ) const

For this vector, returns its Z coordinate.

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

gp_Vec.hxx

gp_Vec Class Reference

Public Member Functions

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation