Data structure for track fit results. More...

#include <JEvt.hh>

Inheritance diagram for JFIT::JFit:

Public Member Functions
	JFit ()
	Default constructor. More...

	JFit (const JHistory &history, const double x, const double y, const double z, const double dx, const double dy, const double dz, const double t, const double Q, const int NDF, const double E=0.0, const int status=-1)
	Constructor. More...

	JFit (const JHistory &history, const double x, const double y, const double z, const int status=-1)
	Constructor for storing position only. More...

JFit &	add (const int type)
	Add event to history. More...

double	getX () const
	Get X-position. More...

double	getY () const
	Get Y-position. More...

double	getZ () const
	Get Z-position. More...

double	getDX () const
	Get X-slope. More...

double	getDY () const
	Get Y-slope. More...

double	getDZ () const
	Get Z-slope. More...

double	getT () const
	Get time. More...

double	getQ () const
	Get quality. More...

int	getNDF () const
	Get number of degrees of freedom. More...

double	getE () const
	Get energy. More...

int	getStatus () const
	Get status of the fit; negative values should refer to a bad fit. More...

void	move (const double step, const double velocity)
	Move vertex along this track with given velocity. More...

void	setE (const double E)
	Set energy. More...

const std::vector< double > &	getW () const
	Get values. More...

void	setW (const std::vector< double > &W)
	Set values. More...

int	getN () const
	Get number of values. More...

bool	hasW (const int i) const
	Check availability of value. More...

double	getW (const int i) const
	Get value. More...

double	getW (const int i, const double value) const
	Get value. More...

void	setW (const int i, const double value)
	Set value. More...

	ClassDef (JFit, 5)

const JHistory &	getHistory () const
	Get history. More...

JHistory &	getHistory ()
	Get history. More...

	ClassDef (JHistory, 1)

Protected Attributes
double	__x

double	__y

double	__z

double	__dx

double	__dy

double	__dz

double	__t

double	__Q

int	__NDF

std::vector< double >	W

double	__E

int	__status

Detailed Description

Data structure for track fit results.

Definition at line 32 of file JEvt.hh.

Constructor & Destructor Documentation

JFIT::JFit::JFit ( )

inline

Default constructor.

Parameters are initialized with non physical values

Definition at line 41 of file JEvt.hh.

           :
       __x( -std::numeric_limits<double>::max() ),
       __y( -std::numeric_limits<double>::max() ),
       __z( -std::numeric_limits<double>::max() ),
       __dx(0.0),
       __dy(0.0),
       __dz(0.0),
       __t( -std::numeric_limits<double>::max() ),
       __Q( -std::numeric_limits<double>::max() ),
       __NDF(-1),
       __E(0.0),
       __status(-1)
     {}

JFIT::JFit::JFit	(	const JHistory &	history,
		const double	x,
		const double	y,
		const double	z,
		const double	dx,
		const double	dy,
		const double	dz,
		const double	t,
		const double	Q,
		const int	NDF,
		const double	E = `0.0`,
		const int	status = `-1`
	)

inline

Constructor.

Parameters

history	history
x	X-position
y	Y-position
z	Z-position
dx	X-slope
dy	Y-slope
dz	Z-slope
t	time
Q	quality
NDF	number of degrees of freedom
E	energy
status	status

Definition at line 72 of file JEvt.hh.

                                    :
       JHistory(history)
     {
       __x      = x;
       __y      = y;
       __z      = z;
       __dx     = dx;
       __dy     = dy;
       __dz     = dz;
       __t      = t;
       __Q      = Q;
       __NDF    = NDF;
       __E      = E;
       __status = status;
     }

JFIT::JFit::JFit	(	const JHistory &	history,
		const double	x,
		const double	y,
		const double	z,
		const int	status = `-1`
	)

inline

Constructor for storing position only.

Note that the type of fit can be obtained via the history information.

Parameters

history	history
x	X-position
y	Y-position
z	Z-position
status	status

Definition at line 110 of file JEvt.hh.

                                   :
       JHistory(history)
     {
       __x      = x;
       __y      = y;
       __z      = z;
       __dx     = 0.0;
       __dy     = 0.0;
       __dz     = 0.0;
       __t      = 0.0;
       __Q      = 0.0;
       __NDF    = -1;
       __E      = 0.0;
      __status  = status;
     }

Member Function Documentation

JFit& JFIT::JFit::add ( const int type )

inline

Add event to history.

Parameters

type	application type

Returns: this fit

Definition at line 137 of file JEvt.hh.

     {
       getHistory().add(type);
 
       return *this;
     }

double JFIT::JFit::getX ( ) const

inline

Get X-position.

Definition at line 145 of file JEvt.hh.

double JFIT::JFit::getY ( ) const

inline

Get Y-position.

Definition at line 146 of file JEvt.hh.

double JFIT::JFit::getZ ( ) const

inline

Get Z-position.

Definition at line 147 of file JEvt.hh.

double JFIT::JFit::getDX ( ) const

inline

Get X-slope.

Definition at line 148 of file JEvt.hh.

double JFIT::JFit::getDY ( ) const

inline

Get Y-slope.

Definition at line 149 of file JEvt.hh.

double JFIT::JFit::getDZ ( ) const

inline

Get Z-slope.

Definition at line 150 of file JEvt.hh.

double JFIT::JFit::getT ( ) const

inline

Get time.

Definition at line 151 of file JEvt.hh.

double JFIT::JFit::getQ ( ) const

inline

Get quality.

Definition at line 152 of file JEvt.hh.

int JFIT::JFit::getNDF ( ) const

inline

Get number of degrees of freedom.

Definition at line 153 of file JEvt.hh.

double JFIT::JFit::getE ( ) const

inline

Get energy.

Definition at line 154 of file JEvt.hh.

int JFIT::JFit::getStatus ( ) const

inline

Get status of the fit; negative values should refer to a bad fit.

Definition at line 155 of file JEvt.hh.

void JFIT::JFit::move	(	const double	step,
		const double	velocity
	)

inline

Move vertex along this track with given velocity.

Parameters

step	step
velocity	velocity

Definition at line 164 of file JEvt.hh.

     {
       __x += step * __dx;
       __y += step * __dy;
       __z += step * __dz;
       __t += step / velocity;
     }

void JFIT::JFit::setE ( const double E )

inline

Set energy.

Parameters

E energy

Definition at line 178 of file JEvt.hh.

     {
       __E = E;
     }

const std::vector<double>& JFIT::JFit::getW ( ) const

inline

Get values.

Returns: values

Definition at line 189 of file JEvt.hh.

     {
       return this->W;
     }

void JFIT::JFit::setW ( const std::vector< double > & W )

inline

Set values.

Parameters

W values

Definition at line 200 of file JEvt.hh.

     {
       this->W = W;
     }

int JFIT::JFit::getN ( ) const

inline

Get number of values.

Returns: number of values

Definition at line 211 of file JEvt.hh.

     { 
       return W.size();
     }

bool JFIT::JFit::hasW ( const int i ) const

inline

Check availability of value.

Parameters

i index

Returns: true if available; else false

Definition at line 223 of file JEvt.hh.

     { 
       return (i >= 0 && i < (int) W.size());
     }

double JFIT::JFit::getW ( const int i ) const

inline

Get value.

Parameters

i index

Returns: value

Definition at line 235 of file JEvt.hh.

     { 
       return W.at(i);
     }

double JFIT::JFit::getW	(	const int	i,
		const double	value
	)		const

inline

Get value.

Parameters

i	index
value	default value

Returns: value

Definition at line 248 of file JEvt.hh.

     { 
       if (hasW(i))
         return W.at(i);
       else
         return value;
     }

void JFIT::JFit::setW	(	const int	i,
		const double	value
	)

inline

Set value.

Parameters

i	index
value	value

Definition at line 263 of file JEvt.hh.

     { 
       if (i >= (int) W.size()) {
         W.resize(i + 1, 0.0);
       }
 
       W[i] = value;
     }

JFIT::JFit::ClassDef	(	JFit	,
		5
	)

const JHistory& JFIT::JHistory::getHistory ( ) const

inlineinherited

Get history.

Returns: histtory

Definition at line 228 of file JHistory.hh.

     {
       return static_cast<const JHistory&>(*this);
     }

JHistory& JFIT::JHistory::getHistory ( )

inlineinherited

Get history.

Returns: histtory

Definition at line 239 of file JHistory.hh.

     {
       return static_cast<JHistory&>(*this);
     }

JFIT::JHistory::ClassDef	(	JHistory	,
		1
	)

inherited

Member Data Documentation

double JFIT::JFit::__x

protected

Definition at line 276 of file JEvt.hh.

double JFIT::JFit::__y

protected

Definition at line 277 of file JEvt.hh.

double JFIT::JFit::__z

protected

Definition at line 278 of file JEvt.hh.

double JFIT::JFit::__dx

protected

Definition at line 279 of file JEvt.hh.

double JFIT::JFit::__dy

protected

Definition at line 280 of file JEvt.hh.

double JFIT::JFit::__dz

protected

Definition at line 281 of file JEvt.hh.

double JFIT::JFit::__t

protected

Definition at line 282 of file JEvt.hh.

double JFIT::JFit::__Q

protected

Definition at line 283 of file JEvt.hh.

int JFIT::JFit::__NDF

protected

Definition at line 284 of file JEvt.hh.

std::vector<double> JFIT::JFit::W

protected

Definition at line 285 of file JEvt.hh.

double JFIT::JFit::__E

protected

Definition at line 286 of file JEvt.hh.

int JFIT::JFit::__status

protected

Definition at line 287 of file JEvt.hh.

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

JEvt.hh

Public Member Functions

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation