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 JFitApplication_t &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...

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

Friends
std::ostream &	operator<< (std::ostream &out, const JFit &fit)
	Write fit results to output. More...

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.

We keep it inside of JFit in order to restrict the ROOT-TObject participation in the software Whether this is related to a Position or a real fit can be obtained via JFitApplication_t

Parameters

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

Definition at line 109 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 JFitApplication_t & type )

inline

Add event to history.

Parameters

type	application type

Returns: this fit

Definition at line 136 of file JEvt.hh.

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

double JFIT::JFit::getX ( ) const

inline

Get X-position.

Definition at line 144 of file JEvt.hh.

double JFIT::JFit::getY ( ) const

inline

Get Y-position.

Definition at line 145 of file JEvt.hh.

double JFIT::JFit::getZ ( ) const

inline

Get Z-position.

Definition at line 146 of file JEvt.hh.

double JFIT::JFit::getDX ( ) const

inline

Get X-slope.

Definition at line 147 of file JEvt.hh.

double JFIT::JFit::getDY ( ) const

inline

Get Y-slope.

Definition at line 148 of file JEvt.hh.

double JFIT::JFit::getDZ ( ) const

inline

Get Z-slope.

Definition at line 149 of file JEvt.hh.

double JFIT::JFit::getT ( ) const

inline

Get time.

Definition at line 150 of file JEvt.hh.

double JFIT::JFit::getQ ( ) const

inline

Get quality.

Definition at line 151 of file JEvt.hh.

int JFIT::JFit::getNDF ( ) const

inline

Get number of degrees of freedom.

Definition at line 152 of file JEvt.hh.

double JFIT::JFit::getE ( ) const

inline

Get energy.

Definition at line 153 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 154 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 163 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 177 of file JEvt.hh.

     {
       __E = E;
     }

int JFIT::JFit::getN ( ) const

inline

Get number of values.

Returns: number of values

Definition at line 188 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 200 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 212 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 225 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 240 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 225 of file JHistory.hh.

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

JHistory& JFIT::JHistory::getHistory ( )

inlineinherited

Get history.

Returns: histtory

Definition at line 236 of file JHistory.hh.

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

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

inherited

Friends And Related Function Documentation

std::ostream& operator<<	(	std::ostream &	out,
		const JFit &	fit
	)

friend

Write fit results to output.

Parameters

out	output stream
fit	fit results

Returns: output stream

Definition at line 257 of file JEvt.hh.

     {
       using namespace std;
     
       const JHistory& history = fit.getHistory();
 
       out << "history:";
 
       for (JHistory::const_reverse_iterator i = history.rbegin(); i != history.rend(); ++i) {
         out << ' ' << i->type;
       }
 
       out << endl;
       
       out << "x    " << FIXED(7,2) << fit.getX()  << endl;
       out << "y    " << FIXED(7,2) << fit.getY()  << endl;
       out << "z    " << FIXED(7,2) << fit.getZ()  << endl;
       out << "dx   " << FIXED(7,3) << fit.getDX() << endl;
       out << "dy   " << FIXED(7,3) << fit.getDY() << endl;
       out << "dz   " << FIXED(7,3) << fit.getDZ() << endl;
 
       out << "Q    " << FIXED(12,5) << fit.getQ()   << endl;
       out << "NDF  " << setw(5)     << fit.getNDF() << endl;
 
       out << "status " << fit.getStatus() << endl;
 
       for (int i = 0; i != fit.getN(); ++i) {
         out << "W[" << i << "] = " << FIXED(10,5) << fit.getW(i) << endl;
       }
     
       return out;
     }

Member Data Documentation

double JFIT::JFit::__x

protected

Definition at line 294 of file JEvt.hh.

double JFIT::JFit::__y

protected

Definition at line 295 of file JEvt.hh.

double JFIT::JFit::__z

protected

Definition at line 296 of file JEvt.hh.

double JFIT::JFit::__dx

protected

Definition at line 297 of file JEvt.hh.

double JFIT::JFit::__dy

protected

Definition at line 298 of file JEvt.hh.

double JFIT::JFit::__dz

protected

Definition at line 299 of file JEvt.hh.

double JFIT::JFit::__t

protected

Definition at line 300 of file JEvt.hh.

double JFIT::JFit::__Q

protected

Definition at line 301 of file JEvt.hh.

int JFIT::JFit::__NDF

protected

Definition at line 302 of file JEvt.hh.

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

protected

Definition at line 303 of file JEvt.hh.

double JFIT::JFit::__E

protected

Definition at line 304 of file JEvt.hh.

int JFIT::JFit::__status

protected

Definition at line 305 of file JEvt.hh.

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

JEvt.hh

Public Member Functions

Protected Attributes

Friends

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Friends And Related Function Documentation

Member Data Documentation