The class Direction specifies a vector that is never null. It is a unit vector. More...

#include <Geom2d_Direction.hxx>

Inheritance diagram for Geom2d_Direction:

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Public Member Functions
	Geom2d_Direction (const double X, const double Y)
	Creates a unit vector with it 2 cartesian coordinates.

	Geom2d_Direction (const gp_Dir2d &V)
	Creates a persistent copy of <me>.

void	SetCoord (const double X, const double Y)
	Assigns the coordinates X and Y to this unit vector, then normalizes it. Exceptions Standard_ConstructionError if std::sqrt(XX + YY) is less than or equal to gp::Resolution().

void	SetDir2d (const gp_Dir2d &V)
	Converts the gp_Dir2d unit vector V into this unit vector.

void	SetX (const double X)
	Assigns a value to the X coordinate of this unit vector, then normalizes it. Exceptions Standard_ConstructionError if the value assigned causes the magnitude of the vector to become less than or equal to gp::Resolution().

void	SetY (const double Y)
	Assigns a value to the Y coordinate of this unit vector, then normalizes it. Exceptions Standard_ConstructionError if the value assigned causes the magnitude of the vector to become less than or equal to gp::Resolution().

gp_Dir2d	Dir2d () const
	Converts this unit vector into a gp_Dir2d unit vector.

double	Magnitude () const override
	returns 1.0

double	SquareMagnitude () const override
	returns 1.0

double	Crossed (const occ::handle< Geom2d_Vector > &Other) const override
	Computes the cross product between <me> and <Other>.

double	operator^ (const occ::handle< Geom2d_Vector > &Other) const

void	Transform (const gp_Trsf2d &T) override
	Applies the transformation T to this unit vector, then normalizes it.

occ::handle< Geom2d_Geometry >	Copy () const override
	Creates a new object which is a copy of this unit vector.

Public Member Functions inherited from Geom2d_Vector
void	Reverse ()
	Reverses the vector <me>.

occ::handle< Geom2d_Vector >	Reversed () const
	Returns a copy of <me> reversed.

double	Angle (const occ::handle< Geom2d_Vector > &Other) const
	Computes the angular value, in radians, between this vector and vector Other. The result is a value between -Pi and Pi. The orientation is from this vector to vector Other. Raises VectorWithNullMagnitude if one of the two vectors is a vector with null magnitude because the angular value is indefinite.

void	Coord (double &X, double &Y) const
	Returns the coordinates of <me>.

double	X () const
	Returns the X coordinate of <me>.

double	Y () const
	Returns the Y coordinate of <me>.

double	Dot (const occ::handle< Geom2d_Vector > &Other) const
	Returns the scalar product of 2 Vectors.

gp_Vec2d	Vec2d () const
	Returns a non persistent copy of <me>.

Public Member Functions inherited from Geom2d_Geometry
void	Mirror (const gp_Pnt2d &P)
	Performs the symmetrical transformation of a Geometry with respect to the point P which is the center of the symmetry and assigns the result to this geometric object.

void	Mirror (const gp_Ax2d &A)
	Performs the symmetrical transformation of a Geometry with respect to an axis placement which is the axis of the symmetry.

void	Rotate (const gp_Pnt2d &P, const double Ang)
	Rotates a Geometry. P is the center of the rotation. Ang is the angular value of the rotation in radians.

void	Scale (const gp_Pnt2d &P, const double S)
	Scales a Geometry. S is the scaling value.

void	Translate (const gp_Vec2d &V)
	Translates a Geometry. V is the vector of the translation.

void	Translate (const gp_Pnt2d &P1, const gp_Pnt2d &P2)
	Translates a Geometry from the point P1 to the point P2.

occ::handle< Geom2d_Geometry >	Mirrored (const gp_Pnt2d &P) const

occ::handle< Geom2d_Geometry >	Mirrored (const gp_Ax2d &A) const

occ::handle< Geom2d_Geometry >	Rotated (const gp_Pnt2d &P, const double Ang) const

occ::handle< Geom2d_Geometry >	Scaled (const gp_Pnt2d &P, const double S) const

occ::handle< Geom2d_Geometry >	Transformed (const gp_Trsf2d &T) const

occ::handle< Geom2d_Geometry >	Translated (const gp_Vec2d &V) const

occ::handle< Geom2d_Geometry >	Translated (const gp_Pnt2d &P1, const gp_Pnt2d &P2) const

virtual void	DumpJson (Standard_OStream &theOStream, int theDepth=-1) const
	Dumps the content of me into the stream.

Public Member Functions inherited from Standard_Transient
	Standard_Transient ()
	Empty constructor.

	Standard_Transient (const Standard_Transient &)
	Copy constructor – does nothing.

Standard_Transient &	operator= (const Standard_Transient &)
	Assignment operator, needed to avoid copying reference counter.

virtual	~Standard_Transient ()=default
	Destructor must be virtual.

virtual const opencascade::handle< Standard_Type > &	DynamicType () const
	Returns a type descriptor about this object.

bool	IsInstance (const opencascade::handle< Standard_Type > &theType) const
	Returns a true value if this is an instance of Type.

bool	IsInstance (const char *const theTypeName) const
	Returns a true value if this is an instance of TypeName.

bool	IsKind (const opencascade::handle< Standard_Type > &theType) const
	Returns true if this is an instance of Type or an instance of any class that inherits from Type. Note that multiple inheritance is not supported by OCCT RTTI mechanism.

bool	IsKind (const char *const theTypeName) const
	Returns true if this is an instance of TypeName or an instance of any class that inherits from TypeName. Note that multiple inheritance is not supported by OCCT RTTI mechanism.

Standard_Transient *	This () const
	Returns non-const pointer to this object (like const_cast). For protection against creating handle to objects allocated in stack or call from constructor, it will raise exception Standard_ProgramError if reference counter is zero.

int	GetRefCount () const noexcept
	Get the reference counter of this object.

void	IncrementRefCounter () noexcept
	Increments the reference counter of this object. Uses relaxed memory ordering since incrementing only requires atomicity, not synchronization with other memory operations.

int	DecrementRefCounter () noexcept
	Decrements the reference counter of this object; returns the decremented value. Uses release ordering for the decrement to ensure all writes to the object are visible before the count reaches zero. An acquire fence is added only when the count reaches zero, ensuring proper synchronization before deletion. This is more efficient than using acq_rel for every decrement.

virtual void	Delete () const
	Memory deallocator for transient classes.

Additional Inherited Members
Public Types inherited from Standard_Transient
typedef void	base_type
	Returns a type descriptor about this object.

Static Public Member Functions inherited from Standard_Transient
static constexpr const char *	get_type_name ()
	Returns a type descriptor about this object.

static const opencascade::handle< Standard_Type > &	get_type_descriptor ()
	Returns type descriptor of Standard_Transient class.

Protected Attributes inherited from Geom2d_Vector
gp_Vec2d	gpVec2d

Detailed Description

The class Direction specifies a vector that is never null. It is a unit vector.

Constructor & Destructor Documentation

◆ Geom2d_Direction() [1/2]

Geom2d_Direction::Geom2d_Direction	(	const double	X,
		const double	Y )

Creates a unit vector with it 2 cartesian coordinates.

Raised if std::sqrt( X*X + Y*Y) <= Resolution from gp.

◆ Geom2d_Direction() [2/2]

Geom2d_Direction::Geom2d_Direction ( const gp_Dir2d & V )

Creates a persistent copy of <me>.

Member Function Documentation

◆ Copy()

occ::handle< Geom2d_Geometry > Geom2d_Direction::Copy ( ) const

overridevirtual

Creates a new object which is a copy of this unit vector.

Implements Geom2d_Geometry.

◆ Crossed()

double Geom2d_Direction::Crossed ( const occ::handle< Geom2d_Vector > & Other ) const

overridevirtual

Computes the cross product between <me> and <Other>.

Implements Geom2d_Vector.

◆ Dir2d()

gp_Dir2d Geom2d_Direction::Dir2d ( ) const

Converts this unit vector into a gp_Dir2d unit vector.

◆ Magnitude()

double Geom2d_Direction::Magnitude ( ) const

overridevirtual

returns 1.0

Implements Geom2d_Vector.

◆ operator^()

double Geom2d_Direction::operator^ ( const occ::handle< Geom2d_Vector > & Other ) const

inline

◆ SetCoord()

void Geom2d_Direction::SetCoord	(	const double	X,
		const double	Y )

Assigns the coordinates X and Y to this unit vector, then normalizes it. Exceptions Standard_ConstructionError if std::sqrt(X*X + Y*Y) is less than or equal to gp::Resolution().

◆ SetDir2d()

void Geom2d_Direction::SetDir2d ( const gp_Dir2d & V )

Converts the gp_Dir2d unit vector V into this unit vector.

◆ SetX()

void Geom2d_Direction::SetX ( const double X )

Assigns a value to the X coordinate of this unit vector, then normalizes it. Exceptions Standard_ConstructionError if the value assigned causes the magnitude of the vector to become less than or equal to gp::Resolution().

◆ SetY()

void Geom2d_Direction::SetY ( const double Y )

Assigns a value to the Y coordinate of this unit vector, then normalizes it. Exceptions Standard_ConstructionError if the value assigned causes the magnitude of the vector to become less than or equal to gp::Resolution().

◆ SquareMagnitude()

double Geom2d_Direction::SquareMagnitude ( ) const

overridevirtual

returns 1.0

Implements Geom2d_Vector.

◆ Transform()

void Geom2d_Direction::Transform ( const gp_Trsf2d & T )

overridevirtual

Applies the transformation T to this unit vector, then normalizes it.

Implements Geom2d_Geometry.

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

Geom2d_Direction.hxx

Public Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ Geom2d_Direction() [1/2]

◆ Geom2d_Direction() [2/2]

Member Function Documentation

◆ Copy()

◆ Crossed()

◆ Dir2d()

◆ Magnitude()

◆ operator^()

◆ SetCoord()

◆ SetDir2d()

◆ SetX()

◆ SetY()

◆ SquareMagnitude()

◆ Transform()