FTWire Class Reference

#include <FTWire.h>

Public Member Functions
	FTWire (const float x, const float y, const float dx, const float dy, const FTLayer &, const int localID, FTWire *const vt)
	constructors
	FTWire ()
	~FTWire ()
	destructor
void	initNeighbor (void)
	initNeighbor
const float	x (void) const
	returns position x
const float	y (void) const
	returns position y
float	phi (void) const
	returns phi
const int	localId (void) const
	returns local ID
const FTLayer &	layer (void) const
	returns layer
FTWire **	neighborPtr (void)
	returns pointer of neighbor array
float	distance (void) const
	returns drift distance
float	distance_z (void) const
	returns z_distance from the center of wire by drift distance
float	t0 (void) const
	returns t0 read at begin run
float	pedestal (void) const
	returns pedestal read at begin run
unsigned	state (void) const
	returns state
unsigned	stateAND (const unsigned mask) const
	returns state bit
int	z (const Lpav &la, double &z) const
	returns z for track la
float	time (void) const
	rerurns TDC time(after t0 subtraction)
float	getAdc (void) const
float	getChi2 (void) const
void	clear (void)
	clear
float	distance (const float distance)
	set drift distance
float	t0 (const float t0)
	set t0 at begin-run
float	pedestal (const float ped)
	set pedestal at begin-run
unsigned	state (const unsigned state)
	set state
void	stateOR (const unsigned mask)
	set state bit
void	stateXOR (const unsigned mask)
	invert state bit
void	stateORXOR (const unsigned mask)
	reset state bit
void	chk_left_and_right (void)
	check neighbors of phi-side and raise invalid flag if both hits
float	time (float t)
	reset time
void	wireId (int wireID)
	set wireId
int	getWireId (void)
	get wireId
void	setAdc (float adc)
	wangdy add:set Adc value
void	setChi2 (float chi2)
	set residual fit chi2

Detailed Description

Definition at line 43 of file FTWire.h.

Constructor & Destructor Documentation

FTWire() [1/2]

FTWire::FTWire ( const float  x, const float  y, const float  dx, const float  dy, const FTLayer &  layer, const int  localID, FTWire *const  vt  )

inline

constructors

Definition at line 199 of file FTWire.h.

  : _x(x),          // x position in z = 0;
    _y(y),          // y position in z = 0;
    _dx(dx),
    _dy(dy),
    _layer(layer),
    _wire(vt),
    _localId(localID),
    _phi((const float)2*M_PI*_localId/(float)_layer.NWire()+_layer.offset()),
    //_wireId(wireID),
    //_hep(NULL),
    _distance(0),
    _t0(0),
    _time(0),
    m_adc(0),
    _pedestal(0),
    _state(FTWireHitInvalid)
{
    getMidNeighbor();
}

FTWire() [2/2]

FTWire::FTWire ( )

inline

Definition at line 223 of file FTWire.h.

  : _x(0),
    _y(0),
    _dx(0),
    _dy(0),
    _layer(*(FTLayer *)NULL),
    _wire(NULL),
    _localId(0),
    //_wireId(0),
    _phi(0),
    _distance(0),
    _t0(0),
    _time(0),
    m_adc(0),
    _pedestal(0),
    _state(FTWireHitInvalid)
{
  _neighbor[0] = NULL;
  _neighbor[1] = NULL;
  _neighbor[2] = NULL;
  _neighbor[3] = NULL;
  _neighbor[4] = NULL;
  _neighbor[5] = NULL;
}

~FTWire()

FTWire::~FTWire ( )

inline

destructor

Definition at line 249 of file FTWire.h.

{
}

Member Function Documentation

chk_left_and_right()

void FTWire::chk_left_and_right ( void  )

inline

check neighbors of phi-side and raise invalid flag if both hits

Definition at line 552 of file FTWire.h.

                              {
  if (((**(_neighbor+2))._state&FTWireHit) &&
      ((**(_neighbor+3))._state&FTWireHit)){
    _state |= FTWireHitInvalid;
    (**(_neighbor+2))._state |= FTWireHitInvalid;
    (**(_neighbor+3))._state |= FTWireHitInvalid;
  }
}

clear()

void FTWire::clear ( void  )

inline

clear

Definition at line 347 of file FTWire.h.

{
  _distance = 0.;
  _time = 0.;
  _t0 = 0.;
  m_adc = 0.0; 
  _pedestal = 0.;
  _state = FTWireHitInvalid;
}

distance() [1/2]

float FTWire::distance ( const float  distance )

inline

set drift distance

Definition at line 415 of file FTWire.h.

{
  return _distance = distance;
}

distance() [2/2]

float FTWire::distance ( void  ) const

inline

returns drift distance

Definition at line 401 of file FTWire.h.

{
  return _distance;
}

Referenced by distance(), FTTrack::r_phi2Fit(), FTTrack::r_phi3Fit(), FTTrack::r_phi4Fit(), FTTrack::r_phiFit(), FTTrack::r_phiReFit(), and FTTrack::s_zFit().

distance_z()

float FTWire::distance_z ( void  ) const

inline

returns z_distance from the center of wire by drift distance

Definition at line 408 of file FTWire.h.

{
  return _distance * std::fabs(_layer.tanSlant());
}

getAdc()

float FTWire::getAdc ( void  ) const

inline

Definition at line 591 of file FTWire.h.

                                     {
  return m_adc;
}

getChi2()

float FTWire::getChi2 ( void  ) const

inline

Definition at line 600 of file FTWire.h.

                                      {
  return m_chi2;
}

getWireId()

int FTWire::getWireId ( void  )

inline

get wireId

Definition at line 585 of file FTWire.h.

                                {
  return _wireId;
}

initNeighbor()

void FTWire::initNeighbor ( void  )

inline

initNeighbor

Definition at line 255 of file FTWire.h.

{
  getInnerNeighbor(_wire);
  getOuterNeighbor(_wire);
  /*cout << "_layer.layerId()::" << _layer.layerId() << endl;
  cout << "The WireId ::" << _localId << endl;
  cout << "Its neighbor 0 ::" << _neighbor[0]->localId() << endl;
  cout << "Its neighbor 1 ::" << _neighbor[1]->localId() << endl;
  cout << "Its neighbor 2 ::" << _neighbor[2]->localId() << endl;
  cout << "Its neighbor 3 ::" << _neighbor[3]->localId() << endl;
  cout << "Its neighbor 4 ::" << _neighbor[4]->localId() << endl;
  cout << "Its neighbor 5 ::" << _neighbor[5]->localId() << endl;*/
}

Referenced by FTFinder::begin_run().

layer()

const FTLayer & FTWire::layer ( void  ) const

inline

returns layer

Definition at line 359 of file FTWire.h.

{
  return _layer;
}

Referenced by FTSegment::printout(), FTTrack::r_phi2Fit(), FTTrack::r_phi3Fit(), FTTrack::r_phi4Fit(), FTTrack::r_phiFit(), FTTrack::r_phiReFit(), FTSuperLayer::reduce_noise(), FTTrack::s_zFit(), FTSegment::update(), and FTSegment::update3D().

localId()

const int FTWire::localId ( void  ) const

inline

returns local ID

Definition at line 380 of file FTWire.h.

{
  return _localId;
}

Referenced by FTSuperLayer::reduce_noise().

neighborPtr()

FTWire ** FTWire::neighborPtr ( void  )

inline

returns pointer of neighbor array

Definition at line 387 of file FTWire.h.

{
  return _neighbor;
}

pedestal() [1/2]

float FTWire::pedestal ( const float  ped )

inline

set pedestal at begin-run

Definition at line 443 of file FTWire.h.

{
  return _pedestal = ped;
}

pedestal() [2/2]

float FTWire::pedestal ( void  ) const

inline

returns pedestal read at begin run

Definition at line 436 of file FTWire.h.

{
  return _pedestal;
}

phi()

float FTWire::phi ( void  ) const

inline

returns phi

Definition at line 394 of file FTWire.h.

{
  return _phi;
}

Referenced by FTSegment::printout(), and FTSuperLayer::reduce_noise().

setAdc()

void FTWire::setAdc ( float  adc )

inline

wangdy add:set Adc value

Definition at line 595 of file FTWire.h.

                                    {
   m_adc = adc;
}

setChi2()

void FTWire::setChi2 ( float  chi2 )

inline

set residual fit chi2

Definition at line 604 of file FTWire.h.

                                      {
   m_chi2 = chi2;
}

Referenced by FTTrack::r_phi4Fit(), and FTTrack::r_phiReFit().

state() [1/2]

unsigned FTWire::state ( const unsigned  state )

inline

set state

Definition at line 487 of file FTWire.h.

{
  return _state = (_state&FTWireStateMask)|state;
}

state() [2/2]

unsigned FTWire::state ( void  ) const

inline

returns state

Definition at line 480 of file FTWire.h.

{
  return _state;
}

Referenced by FTSuperLayer::clear(), and state().

stateAND()

unsigned FTWire::stateAND ( const unsigned  mask ) const

inline

returns state bit

Definition at line 494 of file FTWire.h.

{
  return _state&mask;
}

Referenced by FTTrack::r_phiFit().

stateOR()

void FTWire::stateOR ( const unsigned  mask )

inline

set state bit

Definition at line 501 of file FTWire.h.

{
  _state|=mask;
}

Referenced by FTTrack::r_phi2Fit(), FTTrack::r_phi3Fit(), FTTrack::r_phi4Fit(), FTTrack::r_phiFit(), and FTTrack::r_phiReFit().

stateORXOR()

void FTWire::stateORXOR ( const unsigned  mask )

inline

reset state bit

Definition at line 515 of file FTWire.h.

{
  _state=(_state|mask)^mask;
}

stateXOR()

void FTWire::stateXOR ( const unsigned  mask )

inline

invert state bit

Definition at line 508 of file FTWire.h.

{
  _state^=mask;
}

t0() [1/2]

float FTWire::t0 ( const float  t0 )

inline

set t0 at begin-run

Definition at line 429 of file FTWire.h.

{
  return _t0 = t0;
}

t0() [2/2]

float FTWire::t0 ( void  ) const

inline

returns t0 read at begin run

Definition at line 422 of file FTWire.h.

{
  return _t0;
}

Referenced by t0().

time() [1/2]

float FTWire::time ( float  t )

inline

reset time

Definition at line 450 of file FTWire.h.

{
  return _time = t;
}

time() [2/2]

float FTWire::time ( void  ) const

inline

rerurns TDC time(after t0 subtraction)

Definition at line 457 of file FTWire.h.

{
  return _time;
}

Referenced by FTTrack::r_phi2Fit(), FTTrack::r_phi3Fit(), FTTrack::r_phi4Fit(), FTTrack::r_phiReFit(), FTSuperLayer::reduce_noise(), and FTTrack::s_zFit().

wireId()

void FTWire::wireId ( int  wireID )

inline

set wireId

Definition at line 580 of file FTWire.h.

                                    {
  _wireId = wireID;
}

x()

const float FTWire::x ( void  ) const

inline

returns position x

Definition at line 366 of file FTWire.h.

{
  return _x;
}

Referenced by FTTrack::r_phi2Fit(), FTTrack::r_phi3Fit(), FTTrack::r_phi4Fit(), FTTrack::r_phiFit(), and FTTrack::r_phiReFit().

y()

const float FTWire::y ( void  ) const

inline

returns position y

Definition at line 373 of file FTWire.h.

{
  return _y;
}

Referenced by FTTrack::r_phi2Fit(), FTTrack::r_phi3Fit(), FTTrack::r_phi4Fit(), FTTrack::r_phiFit(), and FTTrack::r_phiReFit().

z()

int FTWire::z ( const Lpav &  la, double &  z  ) const

inline

returns z for track la

Definition at line 522 of file FTWire.h.

                                           {
  HepVector center = la.center();
  double rho = la.radius();
  double dx2 = center(1) - _x;
  double dy2 = center(2) - _y;
  double par1 = _dx*_dx + _dy*_dy;
  double par2 = (_dx*dx2 + _dy*dy2)/par1;
  double par3 = _dx*dy2 - _dy*dx2;
  double par4 = rho*rho*par1 -  par3*par3;
  if (par4<0.) return 0;
  par4 = std::sqrt(par4)/par1;
  double delta = par2 + par4;
  //double delta = 0.5;
  if (delta>=0. && delta<1.){
    //z = _layer.zb()+delta*(_layer.zf()-_layer.zb());
    z = _layer.zf()+delta*(_layer.zb()-_layer.zf());
    return 1;
  }else{
    delta = par2 - par4;
    if (delta>=0. && delta<1.){
      //z = _layer.zb()+delta*(_layer.zf()-_layer.zb());
      z = _layer.zf()+delta*(_layer.zb()-_layer.zf());
      return 1;
    }
  }
  return 0;
}

Referenced by FTTrack::s_zFit(), and z().

---

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

• FTWire.h