Public 成员函数
	GVec2d ()

	GVec2d (GDir2d theV)

	GVec2d (GXY theCoord)

	GVec2d (double theXv, double theYv)

	GVec2d (GPnt2d theP1, GPnt2d theP2)

void	SetCoord (int theIndex, double theXi)

void	SetCoord (double theXv, double theYv)

void	SetX (double theX)

void	SetY (double theY)

void	SetXY (GXY theCoord)

double	Coord (int theIndex)

void	Coord (double[] theXv, double[] theYv)

double	X ()

double	Y ()

GXY	XY ()

boolean	IsEqual (GVec2d theOther, double theLinearTolerance, double theAngularTolerance)

boolean	IsNormal (GVec2d theOther, double theAngularTolerance)

boolean	IsOpposite (GVec2d theOther, double theAngularTolerance)

boolean	IsParallel (GVec2d theOther, double theAngularTolerance)

double	Angle (GVec2d theOther)

double	Magnitude ()

double	SquareMagnitude ()

void	Add (GVec2d theOther)

GVec2d	Added (GVec2d theOther)

double	Crossed (GVec2d theRight)

double	CrossMagnitude (GVec2d theRight)

double	CrossSquareMagnitude (GVec2d theRight)

void	Divide (double theScalar)

GVec2d	Divided (double theScalar)

double	Dot (GVec2d theOther)

GVec2d	GetNormal ()

void	Multiply (double theScalar)

GVec2d	Multiplied (double theScalar)

void	Normalize ()

GVec2d	Normalized ()

void	Reverse ()

GVec2d	Reversed ()

void	Subtract (GVec2d theRight)

GVec2d	Subtracted (GVec2d theRight)

void	SetLinearForm (double theA1, GVec2d theV1, double theA2, GVec2d theV2, GVec2d theV3)

void	SetLinearForm (double theA1, GVec2d theV1, double theA2, GVec2d theV2)

void	SetLinearForm (double theA1, GVec2d theV1, GVec2d theV2)

void	SetLinearForm (GVec2d theV1, GVec2d theV2)

void	Mirror (GVec2d theV)

GVec2d	Mirrored (GVec2d theV)

void	Mirror (GAx2d theA1)

GVec2d	Mirrored (GAx2d theA1)

void	Rotate (double theAng)

GVec2d	Rotated (double theAng)

void	Scale (double theS)

GVec2d	Scaled (double theS)

void	Transform (GTrsf2d theT)

GVec2d	Transformed (GTrsf2d theT)

详细描述

Defines a non-persistent vector in 2D space.

构造及析构函数说明

◆ GVec2d() [1/5]

GVec2d.GVec2d ( )

Creates a zero vector.

◆ GVec2d() [2/5]

GVec2d.GVec2d ( GDir2d theV )

Creates a unitary vector from a direction theV.

◆ GVec2d() [3/5]

GVec2d.GVec2d ( GXY theCoord )

Creates a vector with a doublet of coordinates.

◆ GVec2d() [4/5]

GVec2d.GVec2d	(	double	theXv,
		double	theYv )

Creates a point with its two Cartesian coordinates.

◆ GVec2d() [5/5]

GVec2d.GVec2d	(	GPnt2d	theP1,
		GPnt2d	theP2 )

Creates a vector from two points. The length of the vector is the distance between theP1 and theP2

成员函数说明

◆ Added()

GVec2d GVec2d.Added ( GVec2d theOther )

Adds two vectors

◆ Angle()

double GVec2d.Angle ( GVec2d theOther )

Computes the angular value between <me> and <theOther> returns the angle value between -PI and PI in radian. The orientation is from <me> to theOther. The positive sense is the trigonometric sense. Raises VectorWithNullMagnitude if <me>.Magnitude() <= Resolution from gp or theOther.Magnitude() <= Resolution because the angular value is indefinite if one of the vectors has a null magnitude.

◆ Coord() [1/2]

void GVec2d.Coord	(	double[]	theXv,
		double[]	theYv )

For this vector, returns its two coordinates theXv and theYv

◆ Coord() [2/2]

double GVec2d.Coord ( int theIndex )

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

◆ Crossed()

double GVec2d.Crossed ( GVec2d theRight )

Computes the crossing product between two vectors

◆ CrossMagnitude()

double GVec2d.CrossMagnitude ( GVec2d theRight )

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

◆ CrossSquareMagnitude()

double GVec2d.CrossSquareMagnitude ( GVec2d theRight )

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

◆ Divided()

GVec2d GVec2d.Divided ( double theScalar )

divides a vector by a scalar

◆ Dot()

double GVec2d.Dot ( GVec2d theOther )

Computes the scalar product

◆ IsEqual()

boolean GVec2d.IsEqual	(	GVec2d	theOther,
		double	theLinearTolerance,
		double	theAngularTolerance )

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

◆ IsNormal()

boolean GVec2d.IsNormal	(	GVec2d	theOther,
		double	theAngularTolerance )

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

◆ IsOpposite()

boolean GVec2d.IsOpposite	(	GVec2d	theOther,
		double	theAngularTolerance )

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

◆ IsParallel()

boolean GVec2d.IsParallel	(	GVec2d	theOther,
		double	theAngularTolerance )

Returns true if Abs(Angle(<me>, theOther)) <= theAngularTolerance or PI - Abs(Angle(<me>, theOther)) <= theAngularTolerance Two vectors with opposite directions are considered as parallel. Raises VectorWithNullMagnitude if <me>.Magnitude() <= Resolution or theOther.Magnitude() <= Resolution from gp

◆ Magnitude()

double GVec2d.Magnitude ( )

Computes the magnitude of this vector.

◆ Mirror() [1/2]

void GVec2d.Mirror ( GAx2d theA1 )

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

◆ Mirror() [2/2]

void GVec2d.Mirror ( GVec2d theV )

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

◆ Mirrored() [1/2]

GVec2d GVec2d.Mirrored ( GAx2d theA1 )

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

◆ Mirrored() [2/2]

GVec2d GVec2d.Mirrored ( GVec2d theV )

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

◆ Multiplied()

GVec2d GVec2d.Multiplied ( double theScalar )

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

◆ Normalized()

GVec2d GVec2d.Normalized ( )

Normalizes a vector Raises an exception if the magnitude of the vector is lower or equal to Resolution from package gp. Reverses the direction of a vector

◆ Reversed()

GVec2d GVec2d.Reversed ( )

Reverses the direction of a vector

◆ Rotated()

GVec2d GVec2d.Rotated ( double theAng )

Rotates a vector. theAng is the angular value of the rotation in radians.

◆ Scaled()

GVec2d GVec2d.Scaled ( double theS )

Scales a vector. theS is the scaling value.

◆ SetCoord() [1/2]

void GVec2d.SetCoord	(	double	theXv,
		double	theYv )

For this vector, assigns the values theXv and theYv to its two coordinates

◆ SetCoord() [2/2]

void GVec2d.SetCoord	(	int	theIndex,
		double	theXi )

Changes the coordinate of range theIndex theIndex = 1 => X is modified theIndex = 2 => Y is modified Raises OutOfRange if theIndex != {1, 2}.

◆ SetLinearForm() [1/4]

void GVec2d.SetLinearForm	(	double	theA1,
		GVec2d	theV1,
		double	theA2,
		GVec2d	theV2 )

<me> is set to the following linear form : theA1 * theV1 + theA2 * theV2

◆ SetLinearForm() [2/4]

void GVec2d.SetLinearForm	(	double	theA1,
		GVec2d	theV1,
		double	theA2,
		GVec2d	theV2,
		GVec2d	theV3 )

<me> is set to the following linear form : theA1 * theV1 + theA2 * theV2 + theV3

◆ SetLinearForm() [3/4]

void GVec2d.SetLinearForm	(	double	theA1,
		GVec2d	theV1,
		GVec2d	theV2 )

<me> is set to the following linear form : theA1 * theV1 + theV2

◆ SetLinearForm() [4/4]

void GVec2d.SetLinearForm	(	GVec2d	theV1,
		GVec2d	theV2 )

<me> is set to the following linear form : theV1 + theV2

◆ SetX()

void GVec2d.SetX ( double theX )

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

◆ SetXY()

void GVec2d.SetXY ( GXY theCoord )

Assigns the two coordinates of theCoord to this vector.

◆ SetY()

void GVec2d.SetY ( double theY )

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

◆ SquareMagnitude()

double GVec2d.SquareMagnitude ( )

Computes the square magnitude of this vector.

◆ Subtract()

void GVec2d.Subtract ( GVec2d theRight )

Subtracts two vectors

◆ Subtracted()

GVec2d GVec2d.Subtracted ( GVec2d theRight )