DifRotation Class Reference

#include <DifRotation.h>

List of all members.

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
Private Attributes
DifVector	_xnew
DifVector	_ynew
DifVector	_znew

---

Detailed Description

Definition at line 28 of file DifRotation.h.

---

Constructor & Destructor Documentation

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

Definition at line 31 of file DifRotation.cxx.

References alpha, cos(), and sin().

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

Definition at line 53 of file DifRotation.cxx.

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

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

Definition at line 58 of file DifRotation.cxx.

References cross().

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

DifRotation::~DifRotation

(

)

[inline]

Definition at line 44 of file DifRotation.h.

{};

---

Member Function Documentation

int DifRotation::fail

(

)

const

Definition at line 64 of file DifRotation.cxx.

                           {
  return 0;
}

void DifRotation::rotate

(

DifVector &

v

)

const

Definition at line 68 of file DifRotation.cxx.

References v, xnew(), ynew(), and znew().

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

DifVector DifRotation::xnew

(

)

const [inline]

Definition at line 47 of file DifRotation.h.

References _xnew.

Referenced by rotate().

{return _xnew;}

DifVector DifRotation::ynew

(

)

const [inline]

Definition at line 48 of file DifRotation.h.

References _ynew.

Referenced by rotate().

{return _ynew;}

DifVector DifRotation::znew

(

)

const [inline]

Definition at line 49 of file DifRotation.h.

References _znew.

Referenced by rotate().

{return _znew;}

---

Member Data Documentation

DifVector DifRotation::_xnew [private]

Definition at line 60 of file DifRotation.h.

Referenced by xnew().

DifVector DifRotation::_ynew [private]

Definition at line 61 of file DifRotation.h.

Referenced by ynew().

DifVector DifRotation::_znew [private]

Definition at line 62 of file DifRotation.h.

Referenced by znew().

---