KalFitWire Class Reference

Description of a Wire class. More...

#include <KalFitWire.h>

Public Member Functions
	KalFitWire (const int localID, const KalFitLayer_Mdc &layer, const HepPoint3D &fwd, const HepPoint3D &bck, KalFitWire *const vt, unsigned int geoID, unsigned int stereo)
	constructor
	KalFitWire ()
	~KalFitWire (void)
	destructor
unsigned int	localId (void) const
	Extractor :
const KalFitLayer_Mdc &	layer (void) const
KalFitWire **	neighborPtr (void)
unsigned int	state (void) const
unsigned	stateAND (const unsigned mask) const
unsigned int	geoID (void) const
unsigned int	stereo (void) const
double	distance (void) const
	returns drift distance
double	distance_z (void) const
	returns z_distance from the center of wire by drift distance
void	state (const unsigned int i)
void	stateOR (const unsigned mask)
void	stateXOR (const unsigned mask)
void	stateORXOR (const unsigned mask)
void	sagcoef (void)
void	ddl (const double d)
void	ddr (const double d)
HepPoint3D	fwd (void) const
	Geometry :
HepPoint3D	bck (void) const
HepPoint3D	xyPosition (void) const
double	Acoef (void) const
double	lzx (void) const
void	chk_left_and_right (void)
double	x (void) const
double	y (void) const
int	z (const Lpav &la, double &z) const
	returns z for track la
double	phi (void) const
double	distance (const double distance)
	set drift distance

Detailed Description

Description of a Wire class.

Definition at line 46 of file KalFitWire.h.

Constructor & Destructor Documentation

KalFitWire() [1/2]

KalFitWire::KalFitWire	(	const int	localID,
		const KalFitLayer_Mdc &	layer,
		const HepPoint3D &	fwd,
		const HepPoint3D &	bck,
		KalFitWire *const	vt,
		unsigned int	geoID,
		unsigned int	stereo )

constructor

Definition at line 30 of file KalFitWire.cxx.

                               :
  localId_(localID), fwd_(fwd), bck_(bck), layer_(layer), 
  state_(WireHitInvalid), geoID_(geoID), stereo_(stereo), 
  ddl_(0), ddr_(0), distance_(0) {
 
  int layer_ID = layer_.layerId();
  xyPosition_ = 0.5 * (fwd_+bck_);
  if (!stereo_){
    dx_ = 0;
    dy_ = 0;
    x_ = xyPosition_.x();
    y_ = xyPosition_.y();
  } else {
    dx_ = (double)fwd_.x() - (double)bck_.x();
    dy_ = (double)fwd_.y() - (double)bck_.y();
    x_ = bck_.x();
    y_ = bck_.y();
  }
  // Wire sag coeff
  Hep3Vector wire_;
  wire_ = (CLHEP::Hep3Vector)fwd - (CLHEP::Hep3Vector)bck;
  lzx_ = sqrt(wire_.z()*wire_.z()+wire_.x()*wire_.x());
 
  // problem with layer_ and its id inside sagcoef ?!!
  //  sagcoef();
  if (layer_ID < 3)
    A_ = A[0];
  else {
    if (layer_ID< 14)
      A_ = A[1];
    else if (layer_ID < 50){
      double f_current(F[layer_ID]);
      double l(wire_.mag());
      A_ = A[2]*F[49]*F[49]*L49_2/(f_current*f_current*l*l);
    } else
      std::cout << "*** PROBLEM WIRE !!!!! " << std::endl;
  }
 
  // Neighbor :
  neighbor_[0] = (KalFitWire *) innerLeft(vt);
  neighbor_[1] = (KalFitWire *) innerRight(vt);
 
  neighbor_[2] = (KalFitWire *) left();
  neighbor_[3] = (KalFitWire *) right();
 
  neighbor_[4] = (KalFitWire *) outerLeft(vt);
  neighbor_[5] = (KalFitWire *) outerRight(vt);
 
}

KalFitWire() [2/2]

KalFitWire::KalFitWire

(

)

Definition at line 86 of file KalFitWire.cxx.

                      :
  localId_(0), fwd_(0,0,0), bck_(0,0,0), layer_(*(KalFitLayer_Mdc *)NULL), 
  state_(WireHitInvalid), x_(0), y_(0), dx_(0), dy_(0)
{
  // Neighbor :
  neighbor_[0] = NULL;
  neighbor_[1] = NULL;
  neighbor_[2] = NULL;
  neighbor_[3] = NULL;
  neighbor_[4] = NULL;
  neighbor_[5] = NULL;
}

~KalFitWire()

KalFitWire::~KalFitWire

(

void

)

destructor

Definition at line 100 of file KalFitWire.cxx.

{}

Member Function Documentation

Acoef()

double KalFitWire::Acoef ( void ) const

inline

Definition at line 95 of file KalFitWire.h.

{  return A_; }

bck()

HepPoint3D KalFitWire::bck ( void ) const

inline

Definition at line 93 of file KalFitWire.h.

{ return bck_; }

Referenced by KalFitTrack::chi2_next(), KalFitTrack::chi2_next(), KalFitAlg::filter_fwd_anal(), KalFitAlg::filter_fwd_calib(), KalFitTrack::getDriftTime(), KalFitWire(), KalFitAlg::smoother_anal(), and KalFitAlg::smoother_calib().

chk_left_and_right()

void KalFitWire::chk_left_and_right

(

void

)

Definition at line 192 of file KalFitWire.cxx.

                                        {
  if (((**(neighbor_+2)).state_&WireHit)&&
      ((**(neighbor_+3)).state_&WireHit)){
    state_ |= WireHitInvalid;
    (**(neighbor_+2)).state_ |= WireHitInvalid;
    (**(neighbor_+3)).state_ |= WireHitInvalid;
  }
}

ddl()

void KalFitWire::ddl ( const double d )

inline

Definition at line 88 of file KalFitWire.h.

{ ddl_ = d;  }  

ddr()

void KalFitWire::ddr ( const double d )

inline

Definition at line 89 of file KalFitWire.h.

{ ddr_ = d;  }  

distance() [1/2]

double KalFitWire::distance ( const double distance )

inline

set drift distance

Definition at line 198 of file KalFitWire.h.

{
  return distance_ = distance;
}

distance() [2/2]

double KalFitWire::distance ( void ) const

inline

returns drift distance

Definition at line 184 of file KalFitWire.h.

{
  return distance_;
}

Referenced by distance().

distance_z()

double KalFitWire::distance_z ( void ) const

inline

returns z_distance from the center of wire by drift distance

Definition at line 191 of file KalFitWire.h.

{
  return distance_ * fabs(layer_.tanSlant());
}

fwd()

HepPoint3D KalFitWire::fwd ( void ) const

inline

Geometry :

Definition at line 92 of file KalFitWire.h.

{ return fwd_; }

Referenced by KalmanFit::Helix::approach(), KalFitTrack::chi2_next(), KalFitTrack::chi2_next(), KalFitAlg::filter_fwd_anal(), KalFitAlg::filter_fwd_calib(), KalFitTrack::getDriftTime(), KalFitWire(), KalFitAlg::smoother_anal(), and KalFitAlg::smoother_calib().

geoID()

unsigned int KalFitWire::geoID ( void ) const

inline

Definition at line 74 of file KalFitWire.h.

{ return geoID_; }

Referenced by KalFitTrack::chi2_next(), KalFitTrack::chi2_next(), KalFitAlg::filter_fwd_anal(), KalFitAlg::filter_fwd_calib(), KalFitTrack::getDriftTime(), KalFitAlg::smoother_anal(), KalFitAlg::smoother_calib(), KalFitTrack::smoother_Mdc_csmalign(), and KalFitTrack::update_hits_csmalign().

layer()

const KalFitLayer_Mdc & KalFitWire::layer ( void ) const

inline

Definition at line 70 of file KalFitWire.h.

{ return layer_; }

Referenced by KalFitTrack::chi2_next(), KalFitTrack::chi2_next(), KalFitAlg::filter_fwd_anal(), KalFitAlg::filter_fwd_calib(), KalFitTrack::getDriftDist(), KalFitTrack::getDriftTime(), KalFitTrack::getSigma(), KalFitAlg::smoother_anal(), KalFitAlg::smoother_calib(), and KalFitAlg::start_seed().

localId()

unsigned int KalFitWire::localId ( void ) const

inline

Extractor :

Definition at line 69 of file KalFitWire.h.

{ return localId_; }

Referenced by KalFitAlg::filter_fwd_calib().

lzx()

double KalFitWire::lzx ( void ) const

inline

Definition at line 96 of file KalFitWire.h.

{  return lzx_; }

Referenced by KalFitAlg::filter_fwd_anal(), KalFitAlg::filter_fwd_calib(), KalFitAlg::smoother_anal(), and KalFitAlg::smoother_calib().

neighborPtr()

KalFitWire ** KalFitWire::neighborPtr ( void )

inline

Definition at line 71 of file KalFitWire.h.

{return neighbor_;}

phi()

double KalFitWire::phi ( void ) const

inline

Definition at line 177 of file KalFitWire.h.

{
  return M_PI*(layer_.offset()+2*localId_)/(double)layer_.superLayer().nWire();  
}

sagcoef()

void KalFitWire::sagcoef

(

void

)

Definition at line 103 of file KalFitWire.cxx.

                            {
 
  Hep3Vector wire_;
  wire_ =(CLHEP::Hep3Vector)fwd_ - (CLHEP::Hep3Vector)bck_;
  int layer_ID = layer_.layerId();
 
  if (layer_ID < 3){
    A_ = A[0];
  } else {
    if (layer_ID< 14){
      A_ = A[1];
    } else if (layer_ID < 50){
      double f_current(F[layer_ID]);
      double l(wire_.mag());
      A_ = A[2]*F[49]*F[49]*L49_2/(f_current*f_current*l*l);
    } else {
      std::cout << "*** PROBLEM WIRE !!!!! " << std::endl;
    }
  }
}

state() [1/2]

void KalFitWire::state ( const unsigned int i )

inline

Definition at line 83 of file KalFitWire.h.

{ state_=i; }

state() [2/2]

unsigned int KalFitWire::state ( void ) const

inline

Definition at line 72 of file KalFitWire.h.

{ return state_; }

stateAND()

unsigned KalFitWire::stateAND ( const unsigned mask ) const

inline

Definition at line 149 of file KalFitWire.h.

{
  return state_&mask;
}

stateOR()

void KalFitWire::stateOR ( const unsigned mask )

inline

Definition at line 156 of file KalFitWire.h.

{
  state_|=mask;
}

stateORXOR()

void KalFitWire::stateORXOR ( const unsigned mask )

inline

Definition at line 170 of file KalFitWire.h.

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

stateXOR()

void KalFitWire::stateXOR ( const unsigned mask )

inline

Definition at line 163 of file KalFitWire.h.

{
  state_^=mask;
}

stereo()

unsigned int KalFitWire::stereo ( void ) const

inline

Definition at line 75 of file KalFitWire.h.

{ return stereo_; }

Referenced by KalFitAlg::filter_fwd_calib(), KalFitAlg::start_seed(), and KalFitTrack::update_hits_csmalign().

x()

double KalFitWire::x ( void ) const

inline

Definition at line 100 of file KalFitWire.h.

{ return x_;}

xyPosition()

HepPoint3D KalFitWire::xyPosition ( void ) const

inline

Definition at line 94 of file KalFitWire.h.

{ return xyPosition_; }

y()

double KalFitWire::y ( void ) const

inline

Definition at line 101 of file KalFitWire.h.

{ return y_;}

Referenced by KalFitTrack::chi2_next().

z()

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

inline

returns z for track la

Definition at line 205 of file KalFitWire.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 = sqrt(par4)/par1;
  double delta = par2 + par4;
  if (delta>=0. && delta<1.){
    z = layer_.zb()+delta*(layer_.zf()-layer_.zb());
    return 1;
  }else{
    delta = par2 - par4;
    if (delta>=0. && delta<1.){
      z = layer_.zb()+delta*(layer_.zf()-layer_.zb());
      return 1;
    }
  }
  return 0;
}

Referenced by z().

---

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

• KalFitWire.h
• KalFitWire.cxx