SimHitHandle_SiHit Class Reference

#include <SimHitHandle_SiHit.h>

Inheritance diagram for SimHitHandle_SiHit:

Collaboration diagram for SimHitHandle_SiHit:

Classes
class	Imp

Public Member Functions
	SimHitHandle_SiHit (const SiHit *)
virtual	~SimHitHandle_SiHit ()
QString	type () const
Amg::Vector3D	momentumDirection () const
Amg::Vector3D	posStart () const
Amg::Vector3D	posEnd () const
double	hitTime () const
const HepMcParticleLink &	particleLink () const
Trk::TrackParameters *	createTrackParameters () const
virtual double	actualMomentum () const
double	momentum () const
int	pdg () const
SimBarCode	simBarCode () const
bool	hasCharge () const
double	charge () const
void	setFakeMomentum (const double &m)
void	setCharge (const double &c)
void	cacheMomentum ()

Protected Member Functions
virtual int	actualPDGCodeFromSimHit () const

Private Member Functions
void	setPDG (int)

Private Attributes
Imp *	m_d
Trk::TrackParameters *	m_trackPars
int	m_pdgId
double	m_fakemom
double	m_charge

Detailed Description

Definition at line 26 of file SimHitHandle_SiHit.h.

Constructor & Destructor Documentation

SimHitHandle_SiHit()

SimHitHandle_SiHit::SimHitHandle_SiHit

(

const SiHit *

h

)

Definition at line 40 of file SimHitHandle_SiHit.cxx.

  : SimHitHandleBase(), m_d(new Imp(h))
{
  if (!h)
    VP1Msg::message("SimHitHandle_SiHit constructor ERROR: Received null hit pointer");
}

~SimHitHandle_SiHit()

SimHitHandle_SiHit::~SimHitHandle_SiHit ( )

virtual

Definition at line 48 of file SimHitHandle_SiHit.cxx.

{
  delete m_d;
}

Member Function Documentation

actualMomentum()

virtual double SimHitHandleBase::actualMomentum ( ) const

inlinevirtualinherited

Reimplemented in SimHitHandle_TrackRecord, SimHitHandle_ForwardHit, and SimHitHandle_TRTHit.

Definition at line 40 of file SimHitHandleBase.h.

{ return -1; }

actualPDGCodeFromSimHit()

virtual int SimHitHandleBase::actualPDGCodeFromSimHit ( ) const

inlineprotectedvirtualinherited

Reimplemented in SimHitHandle_TrackRecord, SimHitHandle_ForwardHit, and SimHitHandle_TRTHit.

Definition at line 61 of file SimHitHandleBase.h.

{ return SimBarCode::unknownPDG; };

cacheMomentum()

void SimHitHandleBase::cacheMomentum ( )

inlineinherited

Definition at line 58 of file SimHitHandleBase.h.

{ if (m_fakemom==-2) m_fakemom = actualMomentum(); }

charge()

double SimHitHandleBase::charge ( ) const

inlineinherited

Definition at line 51 of file SimHitHandleBase.h.

{ return m_charge; }

createTrackParameters()

Trk::TrackParameters * SimHitHandle_SiHit::createTrackParameters ( ) const

virtual

Implements SimHitHandleBase.

Definition at line 125 of file SimHitHandle_SiHit.cxx.

{
  //Find charge and magnitude of momentum:
  double c;
  if ( !hasCharge() ) {
    bool ok;
    c = VP1ParticleData::particleCharge(pdg(),ok);
    if (!ok) {
      VP1Msg::message("SimHitHandle_SiHit::createTrackParameters ERROR: Could not find particle charge (pdg="
              +QString::number(pdg())+"). Assuming charge=+1.");
      c = +1.0;
    } else {
      if (VP1Msg::verbose())
    VP1Msg::messageVerbose("Looked up particle charge for silicon simhit with pdg code "+VP1Msg::str(pdg())+": "+VP1Msg::str(c));
    }
    const_cast<SimHitHandle_SiHit*>(this)->setCharge(c);
  } else {
    c = charge();
  }
 
  double mom = momentum();
  if (mom<=0) {
    VP1Msg::message("SimHitHandle_SiHit::createTrackParameters ERROR: Unknown momentum. Using 1 GeV");
    mom = 1*CLHEP::GeV;
  }
 
  //   if (!m_d->ensureDetElemInit()) {
  //     VP1Msg::messageDebug("SimHitHandle_SiHit WARNING: Could not get detector element!");
  //     return 0;
  //   }
  //   const Trk::PlaneSurface * surf
  //     = dynamic_cast<const Trk::PlaneSurface *>( &(m_d->detelem->surface()));
  //   if (!surf) {
  //     VP1Msg::message("SimHitHandle_SiHit::createTrackParameters ERROR: could not get Trk::PlaneSurface");
  //     return 0;
  //   }
 
  const Amg::Vector3D globpos = posStart();
 
//  const Trk::GlobalMomentum u(momentumDirection());
  const Amg::Vector3D u(momentumDirection());
 
  return new Trk::Perigee(0, 0, u.phi(), u.theta(), c/mom, globpos);
}

hasCharge()

bool SimHitHandleBase::hasCharge ( ) const

inlineinherited

Definition at line 50 of file SimHitHandleBase.h.

{ return m_charge!=-99999.0; }

hitTime()

double SimHitHandle_SiHit::hitTime ( ) const

virtual

Implements SimHitHandleBase.

Definition at line 113 of file SimHitHandle_SiHit.cxx.

{
  return m_d->thehit->meanTime();
}

momentum()

double SimHitHandleBase::momentum ( ) const

inlineinherited

Definition at line 41 of file SimHitHandleBase.h.

{ return m_fakemom == -2 ? actualMomentum() : m_fakemom; }

momentumDirection()

Amg::Vector3D SimHitHandle_SiHit::momentumDirection ( ) const

virtual

Implements SimHitHandleBase.

Definition at line 85 of file SimHitHandle_SiHit.cxx.

{
  if (VP1Msg::verbose()&&m_d->thehit->localEndPosition()==m_d->thehit->localStartPosition())
    VP1Msg::messageVerbose("SimHitHandle_SiHit::momentumDirection() ERROR: posStart()==posEnd()");
  return (posEnd()-posStart()).unit();
}

particleLink()

const HepMcParticleLink & SimHitHandle_SiHit::particleLink ( ) const

virtual

Implements SimHitHandleBase.

Definition at line 119 of file SimHitHandle_SiHit.cxx.

{
  return m_d->thehit->particleLink();
}

pdg()

int SimHitHandleBase::pdg ( ) const

inlineinherited

Definition at line 82 of file SimHitHandleBase.h.

{
  return m_pdgId;
}

posEnd()

Amg::Vector3D SimHitHandle_SiHit::posEnd ( ) const

virtual

Implements SimHitHandleBase.

Definition at line 107 of file SimHitHandle_SiHit.cxx.

{
  return m_d->localToGlobal(m_d->thehit->localEndPosition());
}

posStart()

Amg::Vector3D SimHitHandle_SiHit::posStart ( ) const

virtual

Implements SimHitHandleBase.

Definition at line 101 of file SimHitHandle_SiHit.cxx.

{
  return m_d->localToGlobal(m_d->thehit->localStartPosition());
}

setCharge()

void SimHitHandleBase::setCharge ( const double &  c )

inlineinherited

Definition at line 57 of file SimHitHandleBase.h.

{ m_charge = c; }

setFakeMomentum()

void SimHitHandleBase::setFakeMomentum ( const double &  m )

inlineinherited

Definition at line 56 of file SimHitHandleBase.h.

{ m_fakemom = m; }

setPDG()

void SimHitHandleBase::setPDG ( int  pdg )

inlineprivateinherited

Definition at line 87 of file SimHitHandleBase.h.

{
  m_pdgId = pdg;
}

simBarCode()

SimBarCode SimHitHandleBase::simBarCode ( ) const

inlineinherited

Definition at line 48 of file SimHitHandleBase.h.

{ return SimBarCode(particleLink(),pdg()); }

type()

QString SimHitHandle_SiHit::type ( ) const

inlinevirtual

Implements SimHitHandleBase.

Definition at line 32 of file SimHitHandle_SiHit.h.

{ return "SiHit"; };

Member Data Documentation

m_charge

double SimHitHandleBase::m_charge

privateinherited

Definition at line 71 of file SimHitHandleBase.h.

m_d

Imp* SimHitHandle_SiHit::m_d

private

Definition at line 46 of file SimHitHandle_SiHit.h.

m_fakemom

double SimHitHandleBase::m_fakemom

privateinherited

Definition at line 70 of file SimHitHandleBase.h.

m_pdgId

int SimHitHandleBase::m_pdgId

privateinherited

Definition at line 68 of file SimHitHandleBase.h.

m_trackPars

Trk::TrackParameters* SimHitHandleBase::m_trackPars

mutableprivateinherited

Definition at line 67 of file SimHitHandleBase.h.

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

• SimHitHandle_SiHit.h
• SimHitHandle_SiHit.cxx