TimeDetHit Class Reference

#include <TimeDetHit.h>

Inheritance diagram for TimeDetHit:

Collaboration diagram for TimeDetHit:

Public Member Functions
	TimeDetHit ()
	TimeDetHit (TimeDetPoint *p, Double_t t0)
virtual	~TimeDetHit ()
Double_t	GetX ()
Double_t	GetY ()
Double_t	GetZ ()
TVector3	GetXYZ ()
TGeoNode *	GetNode ()
std::vector< double >	GetTime (Double_t x)
std::vector< double >	GetTime ()
std::vector< double >	GetMeasurements ()
void	SetTDC (Float_t val1, Float_t val2)
virtual void	Print () const
void	Dist (Float_t x, Float_t &lpos, Float_t &lneg)
Double_t	Resol (Double_t x)
void	setInvalid ()
void	setIsValid ()
bool	isValid () const
Public Member Functions inherited from ShipHit
	ShipHit ()
	ShipHit (Int_t detID, Float_t digi)
virtual	~ShipHit ()
Double_t	GetDigi () const
Int_t	GetDetectorID () const
void	SetDigi (Float_t d)
void	SetDetectorID (Int_t detID)
virtual void	Print (const Option_t *opt="") const
template<class Archive >
void	serialize (Archive &ar, const unsigned int version)

Private Member Functions
	TimeDetHit (const TimeDetHit &point)
TimeDetHit	operator= (const TimeDetHit &point)
	ClassDef (TimeDetHit, 1)

Private Attributes
Double_t	v_drift = 15.
Double_t	par [4] = { 0.0272814, 109.303, 0, 0.0539487 }
Float_t	flag
	flag
Float_t	t_1
Float_t	t_2
	TDC on both sides.

Additional Inherited Members
Protected Member Functions inherited from ShipHit
	ClassDef (ShipHit, 1)
Protected Attributes inherited from ShipHit
Float_t	fdigi
	digitized detector hit
Int_t	fDetectorID
	Detector unique identifier.

Detailed Description

Definition at line 11 of file TimeDetHit.h.

Constructor & Destructor Documentation

TimeDetHit() [1/3]

TimeDetHit::TimeDetHit

(

)

Default constructor

Definition at line 21 of file TimeDetHit.cxx.

  : ShipHit()
{
 flag = true;
}

TimeDetHit() [2/3]

TimeDetHit::TimeDetHit	(	TimeDetPoint *	p,
		Double_t	t0
	)

Constructor from TimeDetHit

Parameters

detID	Detector ID
t_1,t_2	TDC on both sides
flag	True/False, in case of pile up

Definition at line 29 of file TimeDetHit.cxx.

  : ShipHit()
{
     fDetectorID = p->GetDetectorID();
     Float_t lpos, lneg;
     Dist(p->GetX(), lpos, lneg);
     Double_t sigma = Resol(lneg); // in ns
     t_1 = gRandom->Gaus( 0, sigma ) + lneg/v_drift + t0 + p->GetTime();
     sigma = Resol(lpos); // in ns
     t_2 = gRandom->Gaus( 0, sigma ) + lpos/v_drift + t0 + p->GetTime();
     flag = true;
}

~TimeDetHit()

TimeDetHit::~TimeDetHit ( )

virtual

Destructor

Definition at line 44 of file TimeDetHit.cxx.

{ }

TimeDetHit() [3/3]

TimeDetHit::TimeDetHit ( const TimeDetHit &  point )

private

Member Function Documentation

ClassDef()

TimeDetHit::ClassDef ( TimeDetHit  , 1    )

private

Dist()

void TimeDetHit::Dist	(	Float_t	x,
		Float_t &	lpos,
		Float_t &	lneg
	)

Definition at line 91 of file TimeDetHit.cxx.

                                                            {
     TGeoNode* node  = GetNode();
     auto shape =  dynamic_cast<TGeoBBox*>(node->GetVolume()->GetShape());
     TVector3 pos    = GetXYZ();
     lpos = TMath::Abs( pos.X() + shape->GetDX() - x );
     lneg = TMath::Abs( pos.X() - shape->GetDX() - x );
}

GetMeasurements()

std::vector< double > TimeDetHit::GetMeasurements

(

)

Definition at line 83 of file TimeDetHit.cxx.

                                             {
 std::vector<double> m;
 m.push_back( t_1);
 m.push_back( t_2);
 return m;
}

GetNode()

TGeoNode * TimeDetHit::GetNode

(

)

Definition at line 130 of file TimeDetHit.cxx.

{
   TGeoNavigator* nav = gGeoManager->GetCurrentNavigator();
   TString path = "/Timing Detector_1/TimeDet_";path+=fDetectorID;
   Bool_t rc = nav->cd(path);
   return nav->GetCurrentNode();
} 

GetTime() [1/2]

std::vector< double > TimeDetHit::GetTime

(

)

Definition at line 63 of file TimeDetHit.cxx.

                                      {
     TGeoBBox* shape =  (TGeoBBox*)gGeoManager->GetVolume("TimeDet")->GetShape();
     Double_t t0  =  (t_1+t_2)/2.-shape->GetDX()/v_drift;
     Float_t lpos, lneg;
     lneg = (t_1-t0)*v_drift;
     lpos = (t_2-t0)*v_drift;
     Float_t r1 = Resol(lneg);
     Float_t r2 = Resol(lpos);
     Double_t dt =  TMath::Sqrt(r1*r1+r2*r2);
     std::vector<double> m;
     m.push_back(t0);
     m.push_back(dt);
     return m;
}

GetTime() [2/2]

std::vector< double > TimeDetHit::GetTime

(

Double_t

x

)

Definition at line 47 of file TimeDetHit.cxx.

                                                {
     // calculate distance to left and right end
     Float_t lpos, lneg;
     Dist(x, lpos, lneg);
     Double_t r = Resol(lneg);
     Double_t w1 = 1./(r*r);
     r = Resol(lpos);
     Double_t w2 = 1./(r*r);
     Double_t dt = 1./TMath::Sqrt(w1+w2);
     Double_t t  =  ( (t_1-lneg/v_drift)*w1+(t_2-lpos/v_drift)*w2 )/(w1+w2);
     std::vector<double> m;
     m.push_back(t);
     m.push_back(dt);
     return m;
}

GetX()

Double_t TimeDetHit::GetX

(

)

Accessors

Definition at line 112 of file TimeDetHit.cxx.

{ TVector3 pos = GetXYZ();
  return pos.X();
}

GetXYZ()

TVector3 TimeDetHit::GetXYZ

(

)

Definition at line 99 of file TimeDetHit.cxx.

{
    TGeoNavigator* nav = gGeoManager->GetCurrentNavigator();
    TGeoNode* node = GetNode();
    auto shape =  dynamic_cast<TGeoBBox*>(node->GetVolume()->GetShape());
    Double_t origin[3] = {shape->GetOrigin()[0],shape->GetOrigin()[1],shape->GetOrigin()[2]};
    Double_t master[3] = {0,0,0};
    nav->LocalToMaster(origin,master);
    TVector3 pos = TVector3(master[0],master[1],master[2]);
    return pos;
}

GetY()

Double_t TimeDetHit::GetY

(

)

Definition at line 118 of file TimeDetHit.cxx.

{ TVector3 pos = GetXYZ();
  return pos.Y();
}

GetZ()

Double_t TimeDetHit::GetZ

(

)

Definition at line 124 of file TimeDetHit.cxx.

{ TVector3 pos = GetXYZ();
  return pos.Z();
}

isValid()

bool TimeDetHit::isValid ( ) const

inline

Definition at line 47 of file TimeDetHit.h.

{return flag;}

operator=()

TimeDetHit TimeDetHit::operator= ( const TimeDetHit &  point )

private

Print()

void TimeDetHit::Print ( ) const

virtual

Output to screen

Definition at line 140 of file TimeDetHit.cxx.

{ 
  cout << "-I- TimeDetHit: TimeDet hit " << " in detector " << fDetectorID << endl;
  cout << "  TDC left " << t_1 << " ns   TDC right " << t_2 << " ns" << endl;
}

Resol()

Double_t TimeDetHit::Resol

(

Double_t

x

)

Definition at line 78 of file TimeDetHit.cxx.

{
  return par[0]*TMath::Exp( (x-par[2])/par[1] )+par[3]; 
}

setInvalid()

void TimeDetHit::setInvalid ( )

inline

Definition at line 45 of file TimeDetHit.h.

{flag = false;}

setIsValid()

void TimeDetHit::setIsValid ( )

inline

Definition at line 46 of file TimeDetHit.h.

{flag = true;}

SetTDC()

void TimeDetHit::SetTDC ( Float_t  val1, Float_t  val2  )

inline

Modifier

Definition at line 38 of file TimeDetHit.h.

{t_1=val1;t_2=val2;}

Member Data Documentation

flag

Float_t TimeDetHit::flag

private

flag

Definition at line 54 of file TimeDetHit.h.

par

Double_t TimeDetHit::par[4] = { 0.0272814, 109.303, 0, 0.0539487 }

private

Definition at line 52 of file TimeDetHit.h.

{ 0.0272814, 109.303, 0, 0.0539487 };

t_1

Float_t TimeDetHit::t_1

private

Definition at line 55 of file TimeDetHit.h.

t_2

Float_t TimeDetHit::t_2

private

TDC on both sides.

Definition at line 55 of file TimeDetHit.h.

v_drift

Double_t TimeDetHit::v_drift = 15.

private

Definition at line 51 of file TimeDetHit.h.

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

• TimeDet/TimeDetHit.h
• TimeDet/TimeDetHit.cxx