class ROOT::Math::RotationX


Rotation class representing a 3D rotation about the X 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:
~RotationX()
ROOT::Math::RotationX::ScalarAngle() const
ROOT::Math::RotationX::ScalarCosAngle() const
voidGetAngle(ROOT::Math::RotationX::Scalar& angle) const
voidGetComponents(ROOT::Math::RotationX::Scalar& angle) const
ROOT::Math::RotationXInverse() const
voidInvert()
booloperator!=(const ROOT::Math::RotationX& rhs) const
ROOT::Math::RotationXoperator*(const ROOT::Math::RotationX& 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::RotationX&operator*=(const ROOT::Math::RotationX& r)
ROOT::Math::RotationX&operator=(const ROOT::Math::RotationX&)
booloperator==(const ROOT::Math::RotationX& rhs) const
voidRectify()
ROOT::Math::RotationXRotationX()
ROOT::Math::RotationXRotationX(ROOT::Math::RotationX::Scalar angle)
ROOT::Math::RotationXRotationX(const ROOT::Math::RotationX&)
voidSetAngle(ROOT::Math::RotationX::Scalar angle)
voidSetComponents(ROOT::Math::RotationX::Scalar angle)
ROOT::Math::RotationX::ScalarSinAngle() const

Data Members

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

Class Charts

Inheritance Inherited Members Includes Libraries
Class Charts

Function documentation

RotationX()
 ========== Constructors and Assignment =====================

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

Set given the angle.
void SetComponents(ROOT::Math::RotationX::Scalar angle)
{ SetAngle(angle); }
void GetAngle(ROOT::Math::RotationX::Scalar& angle) const
Get the angle
{ angle = atan2 (fSin,fCos); }
void GetComponents(ROOT::Math::RotationX::Scalar& angle) const
{ GetAngle(angle); }
Scalar Angle()
Angle of rotation
{ return atan2 (fSin,fCos); }
Scalar SinAngle()
Sine or Cosine of the rotation angle
{ return fSin; }
Scalar CosAngle()
{ 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; }
RotationX Inverse()
Return inverse of  a rotation
{ RotationX t(*this); t.Invert(); return t; }
return ! operator==(const ROOT::Math::RotationX& rhs) const
os << " RotationX(" << r.Angle() << ")

Last update: root/mathcore:$Id: RotationX.h 21503 2007-12-19 17:34:54Z moneta $
Copyright (c) 2005 , LCG ROOT FNAL MathLib Team *
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