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ROOT » MATH » GENVECTOR » ROOT::Math::RotationZ

class ROOT::Math::RotationZ


      Rotation class representing a 3D rotation about the Z axis by the angle of rotation.
      For efficiency reason, in addition to the the angle, the sine and cosine of the angle are held

      @ingroup GenVector

Function Members (Methods)

public:
~RotationZ()
ROOT::Math::RotationZ::ScalarAngle() const
ROOT::Math::RotationZ::ScalarCosAngle() const
voidGetAngle(ROOT::Math::RotationZ::Scalar& angle) const
voidGetComponents(ROOT::Math::RotationZ::Scalar& angle) const
ROOT::Math::RotationZInverse() const
voidInvert()
booloperator!=(const ROOT::Math::RotationZ& rhs) const
ROOT::Math::RotationZoperator*(const ROOT::Math::RotationZ& r) const
ROOT::Math::PositionVector3D<ROOT::Math::Cartesian3D<double>,ROOT::Math::DefaultCoordinateSystemTag>operator*(const ROOT::Math::PositionVector3D<ROOT::Math::Cartesian3D<double>,ROOT::Math::DefaultCoordinateSystemTag>& v) const
ROOT::Math::DisplacementVector3D<ROOT::Math::Cartesian3D<double>,ROOT::Math::DefaultCoordinateSystemTag>operator*(const ROOT::Math::DisplacementVector3D<ROOT::Math::Cartesian3D<double>,ROOT::Math::DefaultCoordinateSystemTag>& v) const
ROOT::Math::LorentzVector<ROOT::Math::PxPyPzE4D<double> >operator*(const ROOT::Math::LorentzVector<ROOT::Math::PxPyPzE4D<double> >& v) const
ROOT::Math::RotationZ&operator*=(const ROOT::Math::RotationZ& r)
ROOT::Math::RotationZ&operator=(const ROOT::Math::RotationZ&)
booloperator==(const ROOT::Math::RotationZ& rhs) const
voidRectify()
ROOT::Math::RotationZRotationZ()
ROOT::Math::RotationZRotationZ(ROOT::Math::RotationZ::Scalar angle)
ROOT::Math::RotationZRotationZ(const ROOT::Math::RotationZ&)
voidSetAngle(ROOT::Math::RotationZ::Scalar angle)
voidSetComponents(ROOT::Math::RotationZ::Scalar angle)
ROOT::Math::RotationZ::ScalarSinAngle() const

Data Members

private:
ROOT::Math::RotationZ::ScalarfAnglerotation angle
ROOT::Math::RotationZ::ScalarfCoscosine of the rotaiton angle
ROOT::Math::RotationZ::ScalarfSinsine of the rotation angle

Class Charts

Inheritance Inherited Members Includes Libraries
Class Charts

Function documentation

RotationZ()
 ========== Constructors and Assignment =====================

      Default constructor (identity rotation)
{ }
explicit RotationZ( Scalar angle )
      Construct from an angle
Rectify()
void SetAngle(ROOT::Math::RotationZ::Scalar angle)
 ======== Components ==============

      Set given the angle.
void SetComponents(ROOT::Math::RotationZ::Scalar angle)
{ SetAngle(angle); }
void GetAngle(ROOT::Math::RotationZ::Scalar& angle) const
      Get the angle
{ angle = atan2 (fSin,fCos); }
void GetComponents(ROOT::Math::RotationZ::Scalar& angle) const
{ GetAngle(angle); }
Scalar Angle() const
      Angle of rotation
{ return atan2 (fSin,fCos); }
Scalar SinAngle() const
      Sine or Cosine of the rotation angle
{ return fSin; }
Scalar CosAngle() const
{ return fCos; }
AVector operator*(const AVector & v)
      Overload operator * for rotation on a vector
void Invert()
      Invert a rotation in place
{ fAngle = -fAngle; fSin = -fSin; }
RotationZ Inverse() const
      Return inverse of  a rotation
{ RotationZ t(*this); t.Invert(); return t; }
return ! operator==(rhs)