Open CASCADE Technology: Geom2d_Vector Class Reference

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Public Member Functions | Protected Attributes
Geom2d_Vector Class Referenceabstract

The abstract class Vector describes the common behavior of vectors in 2D space. The Geom2d package provides two concrete classes of vectors: Geom2d_Direction (unit vector) and Geom2d_VectorWithMagnitude. More...

`#include <Geom2d_Vector.hxx>`

Inheritance diagram for Geom2d_Vector:
[legend]

## Public Member Functions
void | Reverse ()
| Reverses the vector <me>. More...
Handle< Geom2d_Vector > | Reversed () const
| Returns a copy of <me> reversed. More...
Standard_Real | Angle (const 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. More...
void | Coord (Standard_Real &X, Standard_Real &Y) const
| Returns the coordinates of <me>. More...
virtual Standard_Real | Magnitude () const =0
| Returns the Magnitude of <me>. More...
virtual Standard_Real | SquareMagnitude () const =0
| Returns the square magnitude of <me>. More...
Standard_Real | X () const
| Returns the X coordinate of <me>. More...
Standard_Real | Y () const
| Returns the Y coordinate of <me>. More...
virtual Standard_Real | Crossed (const Handle< Geom2d_Vector > &Other) const =0
| Cross product of <me> with the vector <Other>. More...
Standard_Real | Dot (const Handle< Geom2d_Vector > &Other) const
| Returns the scalar product of 2 Vectors. More...
gp_Vec2d | Vec2d () const
| Returns a non persistent copy of <me>. More...
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. More...
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. More...
void | Rotate (const gp_Pnt2d &P, const Standard_Real Ang)
| Rotates a Geometry. P is the center of the rotation. Ang is the angular value of the rotation in radians. More...
void | Scale (const gp_Pnt2d &P, const Standard_Real S)
| Scales a Geometry. S is the scaling value. More...
void | Translate (const gp_Vec2d &V)
| Translates a Geometry. V is the vector of the tanslation. More...
void | Translate (const gp_Pnt2d &P1, const gp_Pnt2d &P2)
| Translates a Geometry from the point P1 to the point P2. More...
virtual void | Transform (const gp_Trsf2d &T)=0
| Transformation of a geometric object. This tansformation can be a translation, a rotation, a symmetry, a scaling or a complex transformation obtained by combination of the previous elementaries transformations. (see class Transformation of the package Geom2d). The following transformations have the same properties as the previous ones but they don't modified the object itself. A copy of the object is returned. More...
Handle< Geom2d_Geometry > | Mirrored (const gp_Pnt2d &P) const
Handle< Geom2d_Geometry > | Mirrored (const gp_Ax2d &A) const
Handle< Geom2d_Geometry > | Rotated (const gp_Pnt2d &P, const Standard_Real Ang) const
Handle< Geom2d_Geometry > | Scaled (const gp_Pnt2d &P, const Standard_Real S) const
Handle< Geom2d_Geometry > | Transformed (const gp_Trsf2d &T) const
Handle< Geom2d_Geometry > | Translated (const gp_Vec2d &V) const
Handle< Geom2d_Geometry > | Translated (const gp_Pnt2d &P1, const gp_Pnt2d &P2) const
virtual Handle< Geom2d_Geometry > | Copy () const =0
Public Member Functions inherited from MMgt_TShared
virtual void | Delete () const
| Memory deallocator for transient classes. More...
Public Member Functions inherited from Standard_Transient
| Standard_Transient ()
| Empty constructor. More...
| Standard_Transient (const Standard_Transient &)
| Copy constructor – does nothing. More...
Standard_Transient & | operator= (const Standard_Transient &)
| Assignment operator, needed to avoid copying reference counter. More...
virtual | ~Standard_Transient ()
| Destructor must be virtual. More...
virtual const Handle_Standard_Type & | DynamicType () const
| Returns a type information object about this object. More...
Standard_Boolean | IsInstance (const Handle_Standard_Type &theType) const
| Returns a true value if this is an instance of Type. More...
Standard_Boolean | IsInstance (const Standard_CString theTypeName) const
| Returns a true value if this is an instance of TypeName. More...
Standard_Boolean | IsKind (const 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. More...
Standard_Boolean | IsKind (const Standard_CString 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. More...
virtual Handle_Standard_Transient | This () const
| Returns a Handle which references this object. Must never be called to objects created in stack. More...
Standard_Integer | GetRefCount () const
| Get the reference counter of this object. More...

## Protected Attributes
gp_Vec2d | gpVec2d

## Detailed Description

The abstract class Vector describes the common behavior of vectors in 2D space. The Geom2d package provides two concrete classes of vectors: Geom2d_Direction (unit vector) and Geom2d_VectorWithMagnitude.

## Member Function Documentation

Standard_Real Geom2d_Vector::Angle | ( | const 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 Geom2d_Vector::Coord | ( | Standard_Real & | X,
|  | Standard_Real & | Y
| ) |  | const

Returns the coordinates of <me>.

virtual Standard_Real Geom2d_Vector::Crossed | ( | const Handle< Geom2d_Vector > & | Other | ) | const
| pure virtual

Cross product of <me> with the vector <Other>.

Implemented in Geom2d_VectorWithMagnitude, and Geom2d_Direction.

Standard_Real Geom2d_Vector::Dot | ( | const Handle< Geom2d_Vector > & | Other | ) | const

Returns the scalar product of 2 Vectors.

virtual Standard_Real Geom2d_Vector::Magnitude | ( |  | ) | const
| pure virtual

Returns the Magnitude of <me>.

Implemented in Geom2d_Direction, and Geom2d_VectorWithMagnitude.

void Geom2d_Vector::Reverse | ( |  | ) |

Reverses the vector <me>.

Handle< Geom2d_Vector > Geom2d_Vector::Reversed | ( |  | ) | const

Returns a copy of <me> reversed.

virtual Standard_Real Geom2d_Vector::SquareMagnitude | ( |  | ) | const
| pure virtual

Returns the square magnitude of <me>.

Implemented in Geom2d_Direction, and Geom2d_VectorWithMagnitude.

gp_Vec2d Geom2d_Vector::Vec2d | ( |  | ) | const

Returns a non persistent copy of <me>.

Standard_Real Geom2d_Vector::X | ( |  | ) | const

Returns the X coordinate of <me>.

Standard_Real Geom2d_Vector::Y | ( |  | ) | const

Returns the Y coordinate of <me>.

## Field Documentation

gp_Vec2d Geom2d_Vector::gpVec2d
| protected

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

- Geom2d_Vector.hxx