Open CASCADE Technology
7.0.0
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The class Direction specifies a vector that is never null. It is a unit vector. More...
#include <Geom2d_Direction.hxx>
Public Member Functions | |
Geom2d_Direction (const Standard_Real X, const Standard_Real Y) | |
Creates a unit vector with it 2 cartesian coordinates. More... | |
Geom2d_Direction (const gp_Dir2d &V) | |
Creates a persistent copy of <me>. More... | |
void | SetCoord (const Standard_Real X, const Standard_Real Y) |
Assigns the coordinates X and Y to this unit vector, then normalizes it. Exceptions Standard_ConstructionError if Sqrt(X*X + Y*Y) is less than or equal to gp::Resolution(). More... | |
void | SetDir2d (const gp_Dir2d &V) |
Converts the gp_Dir2d unit vector V into this unit vector. More... | |
void | SetX (const Standard_Real 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(). More... | |
void | SetY (const Standard_Real 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(). More... | |
gp_Dir2d | Dir2d () const |
Converts this unit vector into a gp_Dir2d unit vector. More... | |
Standard_Real | Magnitude () const override |
returns 1.0 More... | |
Standard_Real | SquareMagnitude () const override |
returns 1.0 More... | |
Standard_Real | Crossed (const Handle< Geom2d_Vector > &Other) const override |
Computes the cross product between <me> and <Other>. More... | |
Standard_Real | operator^ (const Handle< Geom2d_Vector > &Other) const |
void | Transform (const gp_Trsf2d &T) override |
Applies the transformation T to this unit vector, then normalizes it. More... | |
Handle< Geom2d_Geometry > | Copy () const override |
Creates a new object which is a copy of this unit vector. More... | |
Public Member Functions inherited from Geom2d_Vector | |
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... | |
Standard_Real | X () const |
Returns the X coordinate of <me>. More... | |
Standard_Real | Y () const |
Returns the Y coordinate of <me>. 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... | |
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 |
Public Member Functions inherited from MMgt_TShared | |
virtual void | Delete () const override |
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 opencascade::handle< Standard_Type > & | DynamicType () const |
Returns a type descriptor about this object. More... | |
Standard_Boolean | IsInstance (const opencascade::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 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. 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... | |
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. More... | |
Standard_Integer | GetRefCount () const |
Get the reference counter of this object. More... | |
void | IncrementRefCounter () const |
Increments the reference counter of this object. More... | |
Standard_Integer | DecrementRefCounter () const |
Decrements the reference counter of this object; returns the decremented value. More... | |
Additional Inherited Members | |
Public Types inherited from Standard_Transient | |
typedef void | base_type |
Returns a type descriptor about this object. More... | |
Static Public Member Functions inherited from Standard_Transient | |
static const char * | get_type_name () |
Returns a type descriptor about this object. More... | |
static const opencascade::handle< Standard_Type > & | get_type_descriptor () |
Returns type descriptor of Standard_Transient class. More... | |
Protected Attributes inherited from Geom2d_Vector | |
gp_Vec2d | gpVec2d |
The class Direction specifies a vector that is never null. It is a unit vector.
Geom2d_Direction::Geom2d_Direction | ( | const Standard_Real | X, |
const Standard_Real | Y | ||
) |
Creates a unit vector with it 2 cartesian coordinates.
Raised if Sqrt( X*X + Y*Y) <= Resolution from gp.
Geom2d_Direction::Geom2d_Direction | ( | const gp_Dir2d & | V | ) |
Creates a persistent copy of <me>.
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overridevirtual |
Creates a new object which is a copy of this unit vector.
Implements Geom2d_Geometry.
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overridevirtual |
Computes the cross product between <me> and <Other>.
Implements Geom2d_Vector.
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overridevirtual |
returns 1.0
Implements Geom2d_Vector.
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inline |
void Geom2d_Direction::SetCoord | ( | const Standard_Real | X, |
const Standard_Real | Y | ||
) |
Assigns the coordinates X and Y to this unit vector, then normalizes it. Exceptions Standard_ConstructionError if Sqrt(X*X + Y*Y) is less than or equal to gp::Resolution().
void Geom2d_Direction::SetDir2d | ( | const gp_Dir2d & | V | ) |
Converts the gp_Dir2d unit vector V into this unit vector.
void Geom2d_Direction::SetX | ( | const Standard_Real | 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 Geom2d_Direction::SetY | ( | const Standard_Real | 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().
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overridevirtual |
returns 1.0
Implements Geom2d_Vector.
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overridevirtual |
Applies the transformation T to this unit vector, then normalizes it.
Implements Geom2d_Geometry.