DifRotation Class Reference

#include <DifRotation.h>

Public Member Functions
	DifRotation ()
	DifRotation (const DifNumber &alpha, const DifNumber &beta, const DifNumber &gamma)
	DifRotation (const DifVector &xp, const DifVector &yp, const DifVector &zp)
	DifRotation (const DifVector &xp, const DifVector &yp)
	~DifRotation ()
DifVector	xnew () const
DifVector	ynew () const
DifVector	znew () const
void	rotate (DifVector &v) const
int	fail () const

Detailed Description

Definition at line 28 of file DifRotation.h.

Constructor & Destructor Documentation

DifRotation() [1/4]

DifRotation::DifRotation

(

)

Definition at line 25 of file DifRotation.cxx.

  :_xnew(1.0,0.0,0.0),_ynew(0.0,1.0,0.0),_znew(0.0,0.0,1.0)
{
}

DifRotation() [2/4]

DifRotation::DifRotation	(	const DifNumber &	alpha,
		const DifNumber &	beta,
		const DifNumber &	gamma )

Definition at line 30 of file DifRotation.cxx.

{
  
  //active transformation  - move the vector (reverse sines)
  DifNumber calpha=cos(alpha); DifNumber salpha=-sin(alpha);
  DifNumber cbeta=cos(beta); DifNumber sbeta=-sin(beta);
  DifNumber cgamma=cos(gamma); DifNumber sgamma=-sin(gamma);
 
 _xnew.x=cbeta*calpha*cgamma-salpha*sgamma;
 _xnew.y=cbeta*salpha*cgamma+calpha*sgamma;
 _xnew.z=-sbeta*cgamma;
 
 _ynew.x=-cbeta*calpha*sgamma-salpha*cgamma;
 _ynew.y=-cbeta*salpha*sgamma+calpha*cgamma;
 _ynew.z=sbeta*sgamma;
 
 _znew.x=sbeta*calpha;
 _znew.y=sbeta*salpha;
 _znew.z=cbeta;
}

DifRotation() [3/4]

DifRotation::DifRotation	(	const DifVector &	xp,
		const DifVector &	yp,
		const DifVector &	zp )

Definition at line 52 of file DifRotation.cxx.

  :_xnew(xp),_ynew(yp),_znew(zp)
{}              

DifRotation() [4/4]

DifRotation::DifRotation	(	const DifVector &	xp,
		const DifVector &	yp )

Definition at line 57 of file DifRotation.cxx.

  :_xnew(xp),_ynew(yp),_znew()
{
  _znew=cross(_xnew,_ynew);
}

~DifRotation()

DifRotation::~DifRotation ( )

inline

Definition at line 44 of file DifRotation.h.

{};

Member Function Documentation

fail()

int DifRotation::fail

(

)

const

Definition at line 64 of file DifRotation.cxx.

                           {
  return 0;
}

rotate()

void DifRotation::rotate

(

DifVector &

v

)

const

Definition at line 68 of file DifRotation.cxx.

                                          {
  DifNumber xcomp=xnew()*v;
  DifNumber ycomp=ynew()*v;
  DifNumber zcomp=znew()*v;
  v.x=xcomp; v.y=ycomp; v.z=zcomp;
}

Referenced by DifVector::rotate().

xnew()

DifVector DifRotation::xnew ( ) const

inline

Definition at line 47 of file DifRotation.h.

{return _xnew;}

Referenced by rotate().

ynew()

DifVector DifRotation::ynew ( ) const

inline

Definition at line 48 of file DifRotation.h.

{return _ynew;}

Referenced by rotate().

znew()

DifVector DifRotation::znew ( ) const

inline

Definition at line 49 of file DifRotation.h.

{return _znew;}

Referenced by rotate().

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

• DifRotation.h
• DifRotation.cxx