TRT_DriftFunctionTool Class Reference

#include <TRT_DriftFunctionTool.h>

Inheritance diagram for TRT_DriftFunctionTool:

Collaboration diagram for TRT_DriftFunctionTool:

Public Member Functions
	TRT_DriftFunctionTool (const std::string &type, const std::string &name, const IInterface *parent)
	Constructor More...
virtual	~TRT_DriftFunctionTool ()
	Destructor More...
virtual StatusCode	initialize () override
	Retrieves needed services More...
virtual StatusCode	finalize () override
	Finalize More...
virtual bool	isValidTime (double drifttime) const override
	Returns True for drifttimes between -10 and 75ns. More...
virtual double	rawTime (int tdcvalue) const override
	Returns center of leading edge bin in ns for bin number = tdcvalue. More...
virtual double	driftRadius (double rawtime, Identifier id, double &t0, bool &isOK, unsigned int word=0) const override
	Returns drift radius in mm and t0 in ns The radius is truncated so it belongs to [0,2]mm. More...
virtual double	driftRadius (double drifttime) const override
	Returns drift radius for MC. More...
virtual double	approxDriftTime (double driftradius) const override
	Returns approximate drift time (t0 subtracted) More...
virtual double	errorOfDriftRadius (double drifttime, Identifier id, float mu=-10, unsigned int word=0) const override
	Time-dependent error of drift radius in mm. More...
virtual double	driftTimeToTCorrection (double tot, Identifier id, bool isArgonStraw=false) const override
	Returns time over threshold correction to the drift time (ns) More...
virtual double	driftTimeHTCorrection (Identifier id, bool isArgonStraw=false) const override
	Returns high threshold correction to the drift time (ns) More...
void	setupRtRelation ()
	Initialise Rt relation. More...

Private Types
enum	ETimeBins { MaxTimeBin = 50 }

Private Attributes
ToolHandle< ITRT_CalDbTool >	m_TRTCalDbTool {this, "TRTCalDbTool", "TRT_CalDbTool"}
	Tool to fetch data from database. More...
ToolHandle< ITRT_CalDbTool >	m_TRTCalDbTool2 {this, "TRTCalDbTool2", ""}
const InDetDD::TRT_DetectorManager *	m_manager {}
	DetectorManager and helper. More...
const TRT_ID *	m_trtid {}
double	m_radius [MaxTimeBin] {}
	most probable radius in each bin More...
double	m_errors [MaxTimeBin] {}
	width of radius dist in each bin More...
BooleanProperty	m_isMC {this, "IsMC", true}
BooleanProperty	m_isDataOverlay {this, "IsDataOverlay", false}
BooleanProperty	m_dummy
bool	m_istestbeam = false
DoubleProperty	m_err_fudge
BooleanProperty	m_enable_t0_barrel_shift {this, "T0BarrelShift", true}
	enable T0 barrel shift More...
BooleanProperty	m_force_universal_errors {this, "ForceUniversalErrors", false}
	use one universal error More...
DoubleProperty	m_uni_error {this, "UniversalError", 0.136}
	namely this one More...
std::string	m_key = ""
	GeoModel version key. More...
StringProperty	m_trt_mgr_location {this, "TrtDescrManageLocation", "TRT", "Name of TRT detector manager"}
double	m_t0_barrel [3] {}
	t0 for the 3 barrel rings More...
double	m_t0_endcap [18] {}
	t0 for the 14(18) endcap wheels More...
double	m_t0_shift
	digiversion dependent t0 shift More...
DoubleProperty	m_ht_correction_barrel_Xe
DoubleProperty	m_ht_correction_endcap_Xe
DoubleProperty	m_ht_correction_barrel_Ar
DoubleProperty	m_ht_correction_endcap_Ar
DoubleArrayProperty	m_tot_corrections_barrel_Xe
DoubleArrayProperty	m_tot_corrections_endcap_Xe
DoubleArrayProperty	m_tot_corrections_barrel_Ar
DoubleArrayProperty	m_tot_corrections_endcap_Ar

Static Private Attributes
static constexpr double	s_drifttimeperbin = 3.125 * CLHEP::ns
static const size_t	s_size_default = 19
static constexpr double	s_radius_default [s_size_default]
static constexpr double	s_errors_default [s_size_default]
static const size_t	s_size_Comm = 13
static constexpr double	s_radius_Comm [s_size_Comm]
static constexpr double	s_errors_Comm [s_size_Comm]

Detailed Description

Provides DriftCircle data from RDO info ie transforms a raw drifttime to a calibrated drift radius

Definition at line 37 of file TRT_DriftFunctionTool.h.

Member Enumeration Documentation

ETimeBins

enum TRT_DriftFunctionTool::ETimeBins

private

Enumerator
MaxTimeBin

Definition at line 99 of file TRT_DriftFunctionTool.h.

{ MaxTimeBin = 50 } ;   

Constructor & Destructor Documentation

TRT_DriftFunctionTool()

TRT_DriftFunctionTool::TRT_DriftFunctionTool	(	const std::string &	type,
		const std::string &	name,
		const IInterface *	parent
	)

Constructor

Definition at line 27 of file TRT_DriftFunctionTool.cxx.

  : base_class(type, name, parent)
{
  // make sure all arrays are initialized - use DC3version2 as default
  for (int i=0; i<3; i++) m_t0_barrel[i] = 15.625;
  for (int i=0; i<14; i++) m_t0_endcap[i] = 14.2;
  m_t0_shift=0.;
 
  for(size_t i=0; i<s_size_default; ++i){
    m_radius[i] = s_radius_default[i];
    m_errors[i] = s_errors_default[i];
  }
  for(size_t i=s_size_default; i<MaxTimeBin; ++i) {
    m_radius[i]=2.;
    m_errors[i]=m_uni_error;
  }
}

~TRT_DriftFunctionTool()

TRT_DriftFunctionTool::~TRT_DriftFunctionTool ( )

virtualdefault

Destructor

Member Function Documentation

approxDriftTime()

double TRT_DriftFunctionTool::approxDriftTime ( double  driftradius ) const

overridevirtual

Returns approximate drift time (t0 subtracted)

Definition at line 130 of file TRT_DriftFunctionTool.cxx.

{
  double t = 0.;
  int i=0;
  if(driftradius<0.100) {
    t = 2.5*s_drifttimeperbin*driftradius/0.1;
  } else if(driftradius<1.99) {
    while(driftradius>=m_radius[i]) ++i;
    if(i>0) i--;
    t=(i+0.5+(driftradius-m_radius[i])/(m_radius[i+1]-m_radius[i]))*s_drifttimeperbin;
  } else {
    t = s_drifttimeperbin*( 19. + (driftradius-1.99)/0.08 );
  }
 
  return t;
}

driftRadius() [1/2]

double TRT_DriftFunctionTool::driftRadius ( double  drifttime ) const

overridevirtual

Returns drift radius for MC.

the inpout time in ns has t0 subtracted

Definition at line 148 of file TRT_DriftFunctionTool.cxx.

{
  if( !isValidTime(drifttime) ) return 0;
  int drifttimebin = std::max(int(drifttime/s_drifttimeperbin),0);
 
  // Interpolate linearly 
  if(drifttime < (drifttimebin+0.5)*s_drifttimeperbin) {
    if (drifttimebin-1 > -1)
        return m_radius[drifttimebin-1]+
         (m_radius[drifttimebin]-m_radius[drifttimebin-1])*
      (drifttime - (drifttimebin-0.5)*s_drifttimeperbin)/s_drifttimeperbin;
  } else if (drifttimebin+1 < 20) {
        return m_radius[drifttimebin]+
         (m_radius[drifttimebin+1]-m_radius[drifttimebin])*
      (drifttime - (drifttimebin+0.5)*s_drifttimeperbin)/s_drifttimeperbin;
  }
 
  return m_radius[drifttimebin];
}

driftRadius() [2/2]

double TRT_DriftFunctionTool::driftRadius ( double  rawtime, Identifier  id, double &  t0, bool &  isOK, unsigned int  word = 0  ) const

overridevirtual

Returns drift radius in mm and t0 in ns The radius is truncated so it belongs to [0,2]mm.

isOK is false if there is no t0 or the drifttime is non-valid

Definition at line 171 of file TRT_DriftFunctionTool.cxx.

{
  isOK = true;
  const double crawtime=rawtime - m_t0_shift; // const cast
  const Identifier cid=id;       // const cast
  t0   = 0.;
  float ft0=t0;                  //float cast
 
  //case of no drifttime information wanted
  if (m_dummy) return 0.;
 
  double radius = 0.;
  if (!m_isDataOverlay){ //standard case
    radius = m_TRTCalDbTool->driftRadius(crawtime,ft0,cid,isOK);
    t0 = ft0 + m_t0_shift;
  }
  else{ //overlay case
    // no m_t0_shift in rawtime, and use data TRTCalDbSvc
    radius = m_TRTCalDbTool->driftRadius(rawtime,ft0,cid,isOK);
    t0 = ft0;
    bool mcdigit = word & (1u<<31);
    if (mcdigit){
      //check if it's a MC digit, and if so apply other calibration
      ATH_MSG_DEBUG ("Overlay TRTCalDbTool  gave  radius: "<<radius<<", t0: "<<t0);
      //t0_shift in crawtime, and use MC TRTCalDbSvc(2)
      radius = m_TRTCalDbTool2->driftRadius(crawtime,ft0,cid,isOK);
      t0 = ft0 + m_t0_shift;
      ATH_MSG_DEBUG ("Overlay TRTCalDbTool2 gives radius: "<<radius<<", t0: "<<t0);
    }
  }
  double drifttime = rawtime-t0;
  if( !isValidTime(drifttime) ) isOK=false;
  return radius;
 
}

driftTimeHTCorrection()

double TRT_DriftFunctionTool::driftTimeHTCorrection ( Identifier  id, bool  isArgonStraw = false  ) const

overridevirtual

Returns high threshold correction to the drift time (ns)

Definition at line 264 of file TRT_DriftFunctionTool.cxx.

{
  int bec_index = std::abs(m_trtid->barrel_ec(id)) - 1;
 
  if (isArgonStraw) {
    return (bec_index) ? m_ht_correction_endcap_Ar : m_ht_correction_barrel_Ar;
  }
  return (bec_index) ? m_ht_correction_endcap_Xe : m_ht_correction_barrel_Xe;
}

driftTimeToTCorrection()

double TRT_DriftFunctionTool::driftTimeToTCorrection ( double  tot, Identifier  id, bool  isArgonStraw = false  ) const

overridevirtual

Returns time over threshold correction to the drift time (ns)

Definition at line 249 of file TRT_DriftFunctionTool.cxx.

{
  int tot_index = tot/s_drifttimeperbin;
  if (tot_index < 0) tot_index = 0;
  if (tot_index > 19) tot_index = 19;
 
  int bec_index = std::abs(m_trtid->barrel_ec(id)) - 1;
 
  if (isArgonStraw) {
    return (bec_index) ? m_tot_corrections_endcap_Ar[tot_index] : m_tot_corrections_barrel_Ar[tot_index];
  }
  return (bec_index) ? m_tot_corrections_endcap_Xe[tot_index] : m_tot_corrections_barrel_Xe[tot_index];
}

errorOfDriftRadius()

double TRT_DriftFunctionTool::errorOfDriftRadius ( double  drifttime, Identifier  id, float  mu = -10, unsigned int  word = 0  ) const

overridevirtual

Time-dependent error of drift radius in mm.

Definition at line 208 of file TRT_DriftFunctionTool.cxx.

{
  if(m_dummy) return 4./std::sqrt(12.);
  if(m_force_universal_errors && m_uni_error!=0) return m_uni_error;
  bool founderr=true;
  bool foundslope=true;
  double error = m_TRTCalDbTool->driftError(drifttime,id,founderr);
  double slope = m_TRTCalDbTool->driftSlope(drifttime,id,foundslope);
  bool mcdigit = word & (1u<<31);
  if(m_isDataOverlay && mcdigit){
    //check if it's a MC digit, and if so apply other calibration
    ATH_MSG_DEBUG ("Overlay TRTCalDbTool gave error: "<<error<<", found="<<founderr);
    error = m_TRTCalDbTool2->driftError(drifttime,id,founderr);
    ATH_MSG_DEBUG ("Overlay TRTCalDbTool2 gives error: "<<error<<", found="<<founderr);
    ATH_MSG_DEBUG ("Overlay TRTCalDbTool gave slope: "<<slope<<", found="<<foundslope);
    slope = m_TRTCalDbTool2->driftSlope(drifttime,id,foundslope);
    ATH_MSG_DEBUG ("Overlay TRTCalDbTool2 gives slope: "<<slope<<", found="<<foundslope);
  }
 
  if(founderr && foundslope) {
    return error+mu*slope;
//to add condition for old setup
  }
  else if ((founderr && !foundslope)  || (mu<0)) {
        return error; }
  else {  //interpolate
    if(drifttime<=0.) {
      return m_errors[0];
    } else if(drifttime >= 18.*s_drifttimeperbin) {
      return m_errors[18];
    } else {
      float drifttimeinbins =   drifttime/s_drifttimeperbin;
      int drifttimebin = (int)drifttimeinbins;
      float fracbin = drifttimeinbins-drifttimebin;
      return (1-fracbin)*m_errors[drifttimebin]+fracbin*m_errors[drifttimebin+1];
    }
  }
}

finalize()

StatusCode TRT_DriftFunctionTool::finalize ( )

overridevirtual

Finalize

Definition at line 121 of file TRT_DriftFunctionTool.cxx.

{
  StatusCode sc = AlgTool::finalize();
  return sc;
}

initialize()

StatusCode TRT_DriftFunctionTool::initialize ( )

overridevirtual

Retrieves needed services

Definition at line 53 of file TRT_DriftFunctionTool.cxx.

{
  ATH_MSG_DEBUG( "initialize()");
 
  StatusCode sc = AthAlgTool::initialize();
  if (sc.isFailure())
    {
      ATH_MSG_FATAL("Cannot initialize AthAlgTool!");
      return StatusCode::FAILURE;
    } 
 
  if(m_dummy){
    ATH_MSG_INFO(" Drift time information ignored ");
  }
 
  // Retrieve TRT_DetectorManager and helper
  sc = AthAlgTool::detStore()->retrieve(m_manager, m_trt_mgr_location);
  if (sc.isFailure() || !m_manager)
  {
    ATH_MSG_FATAL("Could not find the Manager: "
          << m_trt_mgr_location << " !");
    return sc;
  }
 
  // Get TRT ID helper
  sc = detStore()->retrieve(m_trtid,"TRT_ID");
  if ( sc.isFailure() ) {
    ATH_MSG_FATAL( "Could not retrieve TRT ID helper." );
    return sc;
  }
 
  // Check that ToT corrections have the correct length
  if (m_tot_corrections_barrel_Xe.size() != 20) {
    ATH_MSG_FATAL( "Length of ToTCorrectionsBarrelXe is not 20." );
    return sc;
  }
  if (m_tot_corrections_endcap_Xe.size() != 20) {
    ATH_MSG_FATAL( "Length of ToTCorrectionsEndcapXe is not 20." );
    return sc;
  }
  if (m_tot_corrections_barrel_Ar.size() != 20) {
    ATH_MSG_FATAL( "Length of ToTCorrectionsBarrelAr is not 20." );
    return sc;
  }
  if (m_tot_corrections_endcap_Ar.size() != 20) {
    ATH_MSG_FATAL( "Length of ToTCorrectionsEndcapAr is not 20." );
    return sc;
  }
 
  //
  // Get GeoModel version key
  SmartIF<IGeoModelSvc> geomodel{service("GeoModelSvc")};
  ATH_CHECK( geomodel.isValid() );
 
  DecodeVersionKey versionKey(geomodel,"TRT");
  m_key=versionKey.tag();
 
  int numB = m_manager->getNumerology()->getNBarrelPhi();
  ATH_MSG_DEBUG(" Number of Barrel elements "<< numB);
  m_istestbeam = numB==2;
 
  setupRtRelation();
 
  return sc;
}

isValidTime()

bool TRT_DriftFunctionTool::isValidTime ( double  drifttime ) const

inlineoverridevirtual

Returns True for drifttimes between -10 and 75ns.

Definition at line 174 of file TRT_DriftFunctionTool.h.

{ return (drifttime>-10. && drifttime<75.); }

rawTime()

double TRT_DriftFunctionTool::rawTime ( int  tdcvalue ) const

inlineoverridevirtual

Returns center of leading edge bin in ns for bin number = tdcvalue.

note, that the binwidth can vary with run type.

Definition at line 177 of file TRT_DriftFunctionTool.h.

{
  double time = (tdcvalue+0.5)*s_drifttimeperbin ;
  return m_istestbeam ? 0.5*time : time;
}

setupRtRelation()

void TRT_DriftFunctionTool::setupRtRelation

(

)

Initialise Rt relation.

Definition at line 276 of file TRT_DriftFunctionTool.cxx.

{     
 
  ATH_MSG_DEBUG(" Using TRTCalDbTool ");
  if ( m_TRTCalDbTool.retrieve().isFailure() ) {
    ATH_MSG_FATAL(m_TRTCalDbTool.propertyName() <<
          ": Failed to retrieve service " << m_TRTCalDbTool.type());
    return;
    
  } else {
    ATH_MSG_DEBUG(m_TRTCalDbTool.propertyName() <<
          ": Retrieved service " << m_TRTCalDbTool.type());
  }
 
  if (m_isDataOverlay){
    ATH_MSG_DEBUG("Using TRTCalDbTool2 for overlay ! ");
    if ( m_TRTCalDbTool2.retrieve().isFailure() ) {
      ATH_MSG_FATAL(m_TRTCalDbTool2.propertyName() <<": Failed to retrieveservice " << m_TRTCalDbTool2.type());
      return;
    }
  }
  //temporary: we need some way to automatically link digi version with db tag
  //for now we make a hack in order always to get the right t0 after having centered the
  //drifttime spectrum better in the allowed time-window with digi version 12 in release 14.
 
  if(m_isMC || m_isDataOverlay){
 
    if(m_enable_t0_barrel_shift) {
      m_t0_shift=-8.;
      ATH_MSG_DEBUG(" T0 for barrel is shifted by "
                   << m_t0_shift);
    }
 
  }   
  //temporary: we need to think about how to store the uncertainties in the db!!!
 
  if(m_key.compare(6,4,"Comm")==0) {
    for(size_t i=0; i<s_size_Comm; ++i){
      m_radius[i] = s_radius_Comm[i];
      m_errors[i] = s_errors_Comm[i];
    }
  } else {
    for(size_t i=0; i<s_size_default; ++i){
      m_errors[i] = s_errors_default[i]*m_err_fudge;
    }
  }
 
}

Member Data Documentation

m_dummy

BooleanProperty TRT_DriftFunctionTool::m_dummy

private

Initial value:

{this, "DummyMode", false,
    "flag for ignoring drift time info"}

Definition at line 105 of file TRT_DriftFunctionTool.h.

m_enable_t0_barrel_shift

BooleanProperty TRT_DriftFunctionTool::m_enable_t0_barrel_shift {this, "T0BarrelShift", true}

private

enable T0 barrel shift

Definition at line 113 of file TRT_DriftFunctionTool.h.

m_err_fudge

DoubleProperty TRT_DriftFunctionTool::m_err_fudge

private

Initial value:

{this, "ErrorFudgeFactor", 1.0,
    "fudge_factor for error scaling"}

Definition at line 110 of file TRT_DriftFunctionTool.h.

m_errors

double TRT_DriftFunctionTool::m_errors[MaxTimeBin] {}

private

width of radius dist in each bin

Definition at line 101 of file TRT_DriftFunctionTool.h.

m_force_universal_errors

BooleanProperty TRT_DriftFunctionTool::m_force_universal_errors {this, "ForceUniversalErrors", false}

private

use one universal error

Definition at line 116 of file TRT_DriftFunctionTool.h.

m_ht_correction_barrel_Ar

DoubleProperty TRT_DriftFunctionTool::m_ht_correction_barrel_Ar

private

Initial value:

{this, "HTCorrectionBarrelAr", 0.,
    "HT correction for Ar straws in barrel"}

Definition at line 132 of file TRT_DriftFunctionTool.h.

m_ht_correction_barrel_Xe

DoubleProperty TRT_DriftFunctionTool::m_ht_correction_barrel_Xe

private

Initial value:

{this, "HTCorrectionBarrelXe", 0.,
    "HT correction for Xe straws in barrel"}

Definition at line 128 of file TRT_DriftFunctionTool.h.

m_ht_correction_endcap_Ar

DoubleProperty TRT_DriftFunctionTool::m_ht_correction_endcap_Ar

private

Initial value:

{this, "HTCorrectionEndcapAr", 0.,
    "HT correction for Ar straws in endcaps"}

Definition at line 134 of file TRT_DriftFunctionTool.h.

m_ht_correction_endcap_Xe

DoubleProperty TRT_DriftFunctionTool::m_ht_correction_endcap_Xe

private

Initial value:

{this, "HTCorrectionEndcapXe", 0.,
    "HT correction for Xe straws in endcaps"}

Definition at line 130 of file TRT_DriftFunctionTool.h.

m_isDataOverlay

BooleanProperty TRT_DriftFunctionTool::m_isDataOverlay {this, "IsDataOverlay", false}

private

Definition at line 104 of file TRT_DriftFunctionTool.h.

m_isMC

BooleanProperty TRT_DriftFunctionTool::m_isMC {this, "IsMC", true}

private

Definition at line 103 of file TRT_DriftFunctionTool.h.

m_istestbeam

bool TRT_DriftFunctionTool::m_istestbeam = false

private

Definition at line 108 of file TRT_DriftFunctionTool.h.

m_key

std::string TRT_DriftFunctionTool::m_key = ""

private

GeoModel version key.

Definition at line 120 of file TRT_DriftFunctionTool.h.

m_manager

const InDetDD::TRT_DetectorManager* TRT_DriftFunctionTool::m_manager {}

private

DetectorManager and helper.

Definition at line 94 of file TRT_DriftFunctionTool.h.

m_radius

double TRT_DriftFunctionTool::m_radius[MaxTimeBin] {}

private

most probable radius in each bin

Definition at line 100 of file TRT_DriftFunctionTool.h.

m_t0_barrel

double TRT_DriftFunctionTool::m_t0_barrel[3] {}

private

t0 for the 3 barrel rings

Definition at line 124 of file TRT_DriftFunctionTool.h.

m_t0_endcap

double TRT_DriftFunctionTool::m_t0_endcap[18] {}

private

t0 for the 14(18) endcap wheels

Definition at line 125 of file TRT_DriftFunctionTool.h.

m_t0_shift

double TRT_DriftFunctionTool::m_t0_shift

private

digiversion dependent t0 shift

Definition at line 126 of file TRT_DriftFunctionTool.h.

m_tot_corrections_barrel_Ar

DoubleArrayProperty TRT_DriftFunctionTool::m_tot_corrections_barrel_Ar

private

Initial value:

{this, "ToTCorrectionsBarrelAr", {},
     "ToT corrections for 20 ToT bins in Ar barrel straws"}

Definition at line 143 of file TRT_DriftFunctionTool.h.

m_tot_corrections_barrel_Xe

DoubleArrayProperty TRT_DriftFunctionTool::m_tot_corrections_barrel_Xe

private

Initial value:

{this, "ToTCorrectionsBarrelXe", {},
     "ToT corrections for 20 ToT bins in Xe barrel straws"}

Definition at line 137 of file TRT_DriftFunctionTool.h.

m_tot_corrections_endcap_Ar

DoubleArrayProperty TRT_DriftFunctionTool::m_tot_corrections_endcap_Ar

private

Initial value:

{this, "ToTCorrectionsEndcapAr", {},
     "ToT corrections for 20 ToT bins in Ar endcap straws"}

Definition at line 146 of file TRT_DriftFunctionTool.h.

m_tot_corrections_endcap_Xe

DoubleArrayProperty TRT_DriftFunctionTool::m_tot_corrections_endcap_Xe

private

Initial value:

{this, "ToTCorrectionsEndcapXe", {},
     "ToT corrections for 20 ToT bins in Xe endcap straws"}

Definition at line 140 of file TRT_DriftFunctionTool.h.

m_trt_mgr_location

StringProperty TRT_DriftFunctionTool::m_trt_mgr_location {this, "TrtDescrManageLocation", "TRT", "Name of TRT detector manager"}

private

Definition at line 121 of file TRT_DriftFunctionTool.h.

m_TRTCalDbTool

ToolHandle< ITRT_CalDbTool > TRT_DriftFunctionTool::m_TRTCalDbTool {this, "TRTCalDbTool", "TRT_CalDbTool"}

private

Tool to fetch data from database.

Definition at line 90 of file TRT_DriftFunctionTool.h.

m_TRTCalDbTool2

ToolHandle< ITRT_CalDbTool > TRT_DriftFunctionTool::m_TRTCalDbTool2 {this, "TRTCalDbTool2", ""}

private

Definition at line 91 of file TRT_DriftFunctionTool.h.

m_trtid

const TRT_ID* TRT_DriftFunctionTool::m_trtid {}

private

Definition at line 95 of file TRT_DriftFunctionTool.h.

m_uni_error

DoubleProperty TRT_DriftFunctionTool::m_uni_error {this, "UniversalError", 0.136}

private

namely this one

Definition at line 118 of file TRT_DriftFunctionTool.h.

s_drifttimeperbin

constexpr double TRT_DriftFunctionTool::s_drifttimeperbin = 3.125 * CLHEP::ns

staticconstexprprivate

Definition at line 97 of file TRT_DriftFunctionTool.h.

s_errors_Comm

constexpr double TRT_DriftFunctionTool::s_errors_Comm[s_size_Comm]

staticconstexprprivate

Initial value:

= {
    0.10440061, 0.1510298, 0.26130742, 0.260436, 0.246961,
    0.226037,   0.18272  , 0.195482  , 0.213817, 0.157627,
    0.0922559,  0.0463124, 0.0480864 }

Definition at line 167 of file TRT_DriftFunctionTool.h.

s_errors_default

constexpr double TRT_DriftFunctionTool::s_errors_default[s_size_default]

staticconstexprprivate

Initial value:

= {
    0.15, 0.15, 0.20, 0.23, 0.21,
    0.18, 0.17, 0.16, 0.15, 0.15,
    0.14, 0.13, 0.12, 0.11, 0.11,
    0.11, 0.13, 0.20, 0.20 }

Definition at line 156 of file TRT_DriftFunctionTool.h.

s_radius_Comm

constexpr double TRT_DriftFunctionTool::s_radius_Comm[s_size_Comm]

staticconstexprprivate

Initial value:

= {
    0.      , 0.     , 0.     , 0.252054, 0.488319,
    0.751514, 1.00173, 1.21851, 1.40886 , 1.68368 ,
    1.85363 , 1.91764, 1.94114 }

Definition at line 163 of file TRT_DriftFunctionTool.h.

s_radius_default

constexpr double TRT_DriftFunctionTool::s_radius_default[s_size_default]

staticconstexprprivate

Initial value:

= {
    0.   , 0.   , 0.1  , 0.262, 0.466,
    0.607, 0.796, 0.931, 1.065, 1.212,
    1.326, 1.466, 1.585, 1.689, 1.809,
    1.880, 1.940, 1.950, 1.955 }

Definition at line 151 of file TRT_DriftFunctionTool.h.

s_size_Comm

const size_t TRT_DriftFunctionTool::s_size_Comm = 13

staticprivate

Definition at line 162 of file TRT_DriftFunctionTool.h.

s_size_default

const size_t TRT_DriftFunctionTool::s_size_default = 19

staticprivate

Definition at line 150 of file TRT_DriftFunctionTool.h.

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

• TRT_DriftFunctionTool.h
• TRT_DriftFunctionTool.cxx