ARICHHitRateCounter Class Reference

Class for monitoring beam background hit rates of ARICH. More...

#include <ARICHHitRateCounter.h>

Inheritance diagram for ARICHHitRateCounter:

Collaboration diagram for ARICHHitRateCounter:

Classes
struct	TreeStruct
	tree structure More...

Public Member Functions
	ARICHHitRateCounter ()
	Constructor.
virtual void	initialize (TTree *tree) override
	Class initializer: set branch addresses and other staf. More...
virtual void	clear () override
	Clear time-stamp buffer to prepare for 'accumulate'.
virtual void	accumulate (unsigned timeStamp) override
	Accumulate hits. More...
virtual void	normalize (unsigned timeStamp) override
	Normalize accumulated hits (e.g. More...

Private Member Functions
void	setActiveHapds ()
	Sets number of active hapds in each segment.

Private Attributes
TreeStruct	m_rates
	tree variables
std::map< unsigned, TreeStruct >	m_buffer
	average rates in time stamps
StoreArray< ARICHHit >	m_hits
	collection of digits
DBObjPtr< ARICHChannelMask >	m_channelMask
	channel mask
DBObjPtr< ARICHModulesInfo >	m_modulesInfo
	HAPD modules info.
double	m_activeHapds [18] = {0}
	number of active HAPDS in each segment
double	m_activeTotal = 0
	total number of active HAPDS
int	m_segmentMap [420] = {0}
	mapping from module ID to segments

Detailed Description

Class for monitoring beam background hit rates of ARICH.

Definition at line 41 of file ARICHHitRateCounter.h.

Member Function Documentation

accumulate()

void accumulate ( unsigned  timeStamp )

overridevirtual

Accumulate hits.

Parameters

timeStamp

time stamp

Implements HitRateBase.

Definition at line 55 of file ARICHHitRateCounter.cc.

    {
      // check if data are available
      if (not m_hits.isValid()) return;
 
      // get buffer element
      auto& rates = m_buffer[timeStamp];
 
      // increment event counter
      rates.numEvents++;
 
      // count and weight hits accoring to channel efficiecny
      for (const auto& hit : m_hits) {
        if (hit.getModule() < 1 || hit.getModule() > 420) continue;
        auto effi = m_modulesInfo->getChannelQE(hit.getModule(), hit.getChannel());
        float wt = std::min(1.0 / effi, 100.);
        rates.segmentRates[m_segmentMap[hit.getModule() - 1]] += wt;
        rates.averageRate += wt;
      }
 
      // set flag to true to indicate the rates are valid
      rates.valid = true;
 
    }

initialize()

void initialize ( TTree *  tree )

overridevirtual

Class initializer: set branch addresses and other staf.

Parameters

tree	a valid TTree pointer

Implements HitRateBase.

Definition at line 26 of file ARICHHitRateCounter.cc.

normalize()

void normalize ( unsigned  timeStamp )

overridevirtual

Normalize accumulated hits (e.g.

transform to rates)

Parameters

timeStamp

time stamp

Implements HitRateBase.

Definition at line 80 of file ARICHHitRateCounter.cc.

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

• background/modules/BeamBkgHitRateMonitor/include/ARICHHitRateCounter.h
• background/modules/BeamBkgHitRateMonitor/src/ARICHHitRateCounter.cc