Open CASCADE Technology
7.2.0
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The class Direction specifies a vector that is never null. It is a unit vector. More...
#include <Geom_Direction.hxx>
Public Member Functions | |
Geom_Direction (const Standard_Real X, const Standard_Real Y, const Standard_Real Z) | |
Creates a unit vector with it 3 cartesian coordinates. More... | |
Geom_Direction (const gp_Dir &V) | |
Creates a transient copy of <me>. More... | |
void | SetCoord (const Standard_Real X, const Standard_Real Y, const Standard_Real Z) |
Sets <me> to X,Y,Z coordinates. More... | |
void | SetDir (const gp_Dir &V) |
Converts the gp_Dir unit vector V into this unit vector. More... | |
void | SetX (const Standard_Real X) |
Changes the X coordinate of <me>. More... | |
void | SetY (const Standard_Real Y) |
Changes the Y coordinate of <me>. More... | |
void | SetZ (const Standard_Real Z) |
Changes the Z coordinate of <me>. More... | |
gp_Dir | Dir () const |
Returns the non transient direction with the same coordinates as <me>. More... | |
Standard_Real | Magnitude () const override |
returns 1.0 which is the magnitude of any unit vector. More... | |
Standard_Real | SquareMagnitude () const override |
returns 1.0 which is the square magnitude of any unit vector. More... | |
void | Cross (const Handle< Geom_Vector > &Other) override |
Computes the cross product between <me> and <Other>. More... | |
void | CrossCross (const Handle< Geom_Vector > &V1, const Handle< Geom_Vector > &V2) override |
Computes the triple vector product <me> ^(V1 ^ V2). More... | |
Handle< Geom_Vector > | Crossed (const Handle< Geom_Vector > &Other) const override |
Computes the cross product between <me> and <Other>. A new direction is returned. More... | |
Handle< Geom_Vector > | CrossCrossed (const Handle< Geom_Vector > &V1, const Handle< Geom_Vector > &V2) const override |
Computes the triple vector product <me> ^(V1 ^ V2). More... | |
void | Transform (const gp_Trsf &T) override |
Applies the transformation T to this unit vector, then normalizes it. More... | |
Handle< Geom_Geometry > | Copy () const override |
Creates a new object which is a copy of this unit vector. More... | |
Public Member Functions inherited from Geom_Vector | |
void | Reverse () |
Reverses the vector <me>. More... | |
Handle< Geom_Vector > | Reversed () const |
Returns a copy of <me> reversed. More... | |
Standard_Real | Angle (const Handle< Geom_Vector > &Other) const |
Computes the angular value, in radians, between this vector and vector Other. The result is a value between 0 and Pi. Exceptions gp_VectorWithNullMagnitude if: More... | |
Standard_Real | AngleWithRef (const Handle< Geom_Vector > &Other, const Handle< Geom_Vector > &VRef) const |
Computes the angular value, in radians, between this vector and vector Other. The result is a value between -Pi and Pi. The vector VRef defines the positive sense of rotation: the angular value is positive if the cross product this ^ Other has the same orientation as VRef (in relation to the plane defined by this vector and vector Other). Otherwise, it is negative. Exceptions Standard_DomainError if this vector, vector Other and vector VRef are coplanar, except if this vector and vector Other are parallel. gp_VectorWithNullMagnitude if the magnitude of this vector, vector Other or vector VRef is less than or equal to gp::Resolution(). More... | |
void | Coord (Standard_Real &X, Standard_Real &Y, Standard_Real &Z) const |
Returns the coordinates X, Y and Z of this vector. 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 | Z () const |
Returns the Z coordinate of <me>. More... | |
Standard_Real | Dot (const Handle< Geom_Vector > &Other) const |
Computes the scalar product of this vector and vector Other. More... | |
Standard_Real | DotCross (const Handle< Geom_Vector > &V1, const Handle< Geom_Vector > &V2) const |
Computes the triple scalar product. Returns me . (V1 ^ V2) More... | |
const gp_Vec & | Vec () const |
Converts this vector into a gp_Vec vector. More... | |
Public Member Functions inherited from Geom_Geometry | |
void | Mirror (const gp_Pnt &P) |
Performs the symmetrical transformation of a Geometry with respect to the point P which is the center of the symmetry. More... | |
void | Mirror (const gp_Ax1 &A1) |
Performs the symmetrical transformation of a Geometry with respect to an axis placement which is the axis of the symmetry. More... | |
void | Mirror (const gp_Ax2 &A2) |
Performs the symmetrical transformation of a Geometry 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) |
Rotates a Geometry. A1 is the axis of the rotation. Ang is the angular value of the rotation in radians. More... | |
void | Scale (const gp_Pnt &P, const Standard_Real S) |
Scales a Geometry. S is the scaling value. More... | |
void | Translate (const gp_Vec &V) |
Translates a Geometry. V is the vector of the tanslation. More... | |
void | Translate (const gp_Pnt &P1, const gp_Pnt &P2) |
Translates a Geometry from the point P1 to the point P2. More... | |
Handle< Geom_Geometry > | Mirrored (const gp_Pnt &P) const |
Handle< Geom_Geometry > | Mirrored (const gp_Ax1 &A1) const |
Handle< Geom_Geometry > | Mirrored (const gp_Ax2 &A2) const |
Handle< Geom_Geometry > | Rotated (const gp_Ax1 &A1, const Standard_Real Ang) const |
Handle< Geom_Geometry > | Scaled (const gp_Pnt &P, const Standard_Real S) const |
Handle< Geom_Geometry > | Transformed (const gp_Trsf &T) const |
Handle< Geom_Geometry > | Translated (const gp_Vec &V) const |
Handle< Geom_Geometry > | Translated (const gp_Pnt &P1, const gp_Pnt &P2) const |
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 void | Delete () const |
Memory deallocator for transient classes. 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 Geom_Vector | |
gp_Vec | gpVec |
The class Direction specifies a vector that is never null. It is a unit vector.
Geom_Direction::Geom_Direction | ( | const Standard_Real | X, |
const Standard_Real | Y, | ||
const Standard_Real | Z | ||
) |
Creates a unit vector with it 3 cartesian coordinates.
Raised if Sqrt( X*X + Y*Y + Z*Z) <= Resolution from gp.
Geom_Direction::Geom_Direction | ( | const gp_Dir & | V | ) |
Creates a transient copy of <me>.
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overridevirtual |
Creates a new object which is a copy of this unit vector.
Implements Geom_Geometry.
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overridevirtual |
Computes the cross product between <me> and <Other>.
Raised if the two vectors are parallel because it is not possible to have a direction with null length.
Implements Geom_Vector.
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overridevirtual |
Computes the triple vector product <me> ^(V1 ^ V2).
Raised if V1 and V2 are parallel or <me> and (V1 ^ V2) are parallel
Implements Geom_Vector.
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overridevirtual |
Computes the triple vector product <me> ^(V1 ^ V2).
Raised if V1 and V2 are parallel or <me> and (V1 ^ V2) are parallel
Implements Geom_Vector.
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overridevirtual |
Computes the cross product between <me> and <Other>. A new direction is returned.
Raised if the two vectors are parallel because it is not possible to have a direction with null length.
Implements Geom_Vector.
gp_Dir Geom_Direction::Dir | ( | ) | const |
Returns the non transient direction with the same coordinates as <me>.
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overridevirtual |
returns 1.0 which is the magnitude of any unit vector.
Implements Geom_Vector.
void Geom_Direction::SetCoord | ( | const Standard_Real | X, |
const Standard_Real | Y, | ||
const Standard_Real | Z | ||
) |
Sets <me> to X,Y,Z coordinates.
Raised if Sqrt( X*X + Y*Y + Z*Z) <= Resolution from gp.
void Geom_Direction::SetDir | ( | const gp_Dir & | V | ) |
Converts the gp_Dir unit vector V into this unit vector.
void Geom_Direction::SetX | ( | const Standard_Real | X | ) |
Changes the X coordinate of <me>.
Raised if Sqrt( X*X + Y*Y + Z*Z) <= Resolution from gp.
void Geom_Direction::SetY | ( | const Standard_Real | Y | ) |
Changes the Y coordinate of <me>.
Raised if Sqrt( X*X + Y*Y + Z*Z) <= Resolution from gp.
void Geom_Direction::SetZ | ( | const Standard_Real | Z | ) |
Changes the Z coordinate of <me>.
Raised if Sqrt( X*X + Y*Y + Z*Z) <= Resolution from gp.
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overridevirtual |
returns 1.0 which is the square magnitude of any unit vector.
Implements Geom_Vector.
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overridevirtual |
Applies the transformation T to this unit vector, then normalizes it.
Implements Geom_Geometry.