JRECONSTRUCTION::JShowerFit Class Reference

class to handle the direction fit of the shower reconstruction, mainly dedicated for ORCA More...

#include <JShowerFit.hh>

Inheritance diagram for JRECONSTRUCTION::JShowerFit:

Public Member Functions
	JShowerFit (const JShowerFitParameters_t &parameters, const JModuleRouter &router, const JSummaryRouter &summary, const std::string pdfFile, const JShowerEnergyCorrection &correct, const int debug=0)
	Parameterized constructor. More...
JEvt	operator() (const KM3NETDAQ::JDAQEvent &event, const JFIT::JEvt &in)
	Declaration of the member function that actually performs the reconstruction. More...
void	reset ()
	Reset fit parameters. More...
bool	equals (const JShowerFitParameters_t &parameters) const
	Equality. More...
	ClassDef (JShowerFitParameters_t, 1)

Public Attributes
const JModuleRouter &	router
const JSummaryRouter &	summary
const JShowerEnergyCorrection &	correct
size_t	numberOfPrefits
	number of prefits More...
double	TMax_ns
	maximum time for local coincidences [ns] More...
double	TMin_ns
	minimum time for local coincidences [ns] More...
double	roadWidth_m
	road width [m] More...
double	R_Hz
	default rate [Hz] More...
int	mestimator
	M-estimator. More...
double	fit_step
	simplex initial step More...

Private Types
typedef JRegressor< JShower3EZ, JSimplex >	JRegressor_t

Detailed Description

class to handle the direction fit of the shower reconstruction, mainly dedicated for ORCA

Definition at line 73 of file JShowerFit.hh.

Member Typedef Documentation

typedef JRegressor<JShower3EZ, JSimplex> JRECONSTRUCTION::JShowerFit::JRegressor_t

private

Definition at line 78 of file JShowerFit.hh.

Constructor & Destructor Documentation

JRECONSTRUCTION::JShowerFit::JShowerFit ( const JShowerFitParameters_t &  parameters, const JModuleRouter &  router, const JSummaryRouter &  summary, const std::string  pdfFile, const JShowerEnergyCorrection &  correct, const int  debug = 0  )

inline

Parameterized constructor.

Parameters

parameters	struct that holds default-optimized parameters for the reconstruction, available in $JPP_DATA.
router	module router, this is built via detector file.
summary	summary router
pdfFile	PDF file
correct	energy correction
debug	debug

Definition at line 93 of file JShowerFit.hh.

                                                         :
      JShowerFitParameters_t(parameters),
      JRegressor_t(pdfFile),
      router(router),
      summary(summary),
      correct(correct)
    {
      using namespace JPP;
      
      JRegressor_t::debug  = 1;
      JRegressor_t::T_ns.setRange(parameters.TMin_ns, parameters.TMax_ns);
      JRegressor_t::Vmax_npe = 20.0;
      JRegressor_t::MAXIMUM_ITERATIONS = 1000;
      
      this->estimator.reset(getMEstimator(parameters.mestimator));
    }

Member Function Documentation

JEvt JRECONSTRUCTION::JShowerFit::operator() ( const KM3NETDAQ::JDAQEvent &  event, const JFIT::JEvt &  in  )

inline

Declaration of the member function that actually performs the reconstruction.

Parameters

event	= JDAQEvent
in	= input fits

Definition at line 121 of file JShowerFit.hh.

    {
      using namespace std;
      using namespace JPP;

      typedef vector<JHitL0>  JDataL0_t;
      JBuildL0<JHitL0>        buildL0;

      JEvt out;

      const JDetector &detector = router.getReference();

      JDataL0_t dataL0;
      buildL0(JDAQTimeslice(event, true), router, back_inserter(dataL0));
  
      for (JEvt::const_iterator shower = in.begin(); shower != in.end(); ++shower) {

        JShower3E sh(getPosition(*shower), getDirection(*shower), shower->getT(), shower->getE());
        
        multiset<JDAQPMTIdentifier> top;

        const JFIT::JModel<JPoint4D> match(JPoint4D(sh.getPosition(), sh.getT()), roadWidth_m, JRegressor_t::T_ns);

        for (JDataL0_t::const_iterator i = dataL0.begin(); i != dataL0.end(); ++i) {

          if (match(*i)) {
            top.insert(i->getPMTIdentifier());
          }
        }
        
        JDetectorSubset_t subdetector(detector, sh.getPosition(), roadWidth_m);

        const JDirection3D conversion(sh.getDirection());           
        const JRotation3D R(conversion);
        
        vector<JPMTW0> buffer;
          
        for (JDetectorSubset_t::iterator module = subdetector.begin();
             module != subdetector.end(); ++module) {
            
          JModule dom(*module); 
          dom.rotate(R);  

          for (unsigned int i = 0; i != dom.size(); ++i) {

            const JDAQPMTIdentifier id(dom.getID(), i);

            const double rate_Hz = summary.getRate(id);
            
            buffer.push_back(JPMTW0(dom.getPMT(i), rate_Hz, top.count(id)));
          }      
        }
          
        this->step.resize(2);
        this->step[0] = JShower3EZ(JPoint4D(JVector3D(), 0.0), JVersor3Z(fit_step, 0.0), JEnergy(0.4));
        this->step[1] = JShower3EZ(JPoint4D(JVector3D(), 0.0), JVersor3Z(0.0, fit_step), JEnergy(0.4));
          
        double chi2 = (*this)(JShower3EZ(JVertex3D(JVector3D(0,0,0), sh.getT()), JVersor3Z(), 
                                         JEnergy(log10(sh.getE()))), buffer.begin(), buffer.end());
          
        double NDF = getCount(buffer.begin(), buffer.end()) - this->step.size(); 

        JShower3E sh_fit(this->value.getPosition(), this->value.getDirection(),
                         this->value.getT(), correct(this->value.getE()));
        
        sh_fit.rotate_back(R);

        sh_fit.add(sh.getPosition());
          
        out.push_back(getFit(JHistory(shower->getHistory()).add(JSHOWERCOMPLETEFIT), sh_fit, getQuality(chi2), 
                             NDF, sh_fit.getE())); 
          
        out.rbegin()->setW(JSHOWERFIT_ENERGY,  this->value.getE());  // Uncorrected Energy
      }

      return out;
    }

void JRECONSTRUCTION::JShowerFitParameters_t::reset ( )

inlineinherited

Reset fit parameters.

Definition at line 35 of file JShowerFitParameters_t.hh.

    {
      numberOfPrefits             =   4;
      TMax_ns                     =  30;
      TMin_ns                     = -30;
      roadWidth_m                 =  80;
      R_Hz                        =  10.0e3;
      mestimator                  =  JFIT::EM_NULL;
      fit_step                    =  0.05;
    }

bool JRECONSTRUCTION::JShowerFitParameters_t::equals ( const JShowerFitParameters_t &  parameters ) const

inlineinherited

Equality.

Parameters

parameters

fit parameters

Returns

true if equals; else false

Definition at line 52 of file JShowerFitParameters_t.hh.

    {
      return (this->TMax_ns                  == parameters.TMax_ns                  &&         
              this->TMin_ns                  == parameters.TMin_ns                  &&         
              this->numberOfPrefits          == parameters.numberOfPrefits          &&         
              this->roadWidth_m              == parameters.roadWidth_m              &&
              this->R_Hz                     == parameters.R_Hz                     && 
              this->mestimator               == parameters.mestimator               &&
              this->fit_step                 == parameters.fit_step);
    }

JRECONSTRUCTION::JShowerFitParameters_t::ClassDef ( JShowerFitParameters_t  , 1    )

inherited

Member Data Documentation

const JModuleRouter& JRECONSTRUCTION::JShowerFit::router

Definition at line 199 of file JShowerFit.hh.

const JSummaryRouter& JRECONSTRUCTION::JShowerFit::summary

Definition at line 200 of file JShowerFit.hh.

const JShowerEnergyCorrection& JRECONSTRUCTION::JShowerFit::correct

Definition at line 201 of file JShowerFit.hh.

size_t JRECONSTRUCTION::JShowerFitParameters_t::numberOfPrefits

inherited

number of prefits

Definition at line 66 of file JShowerFitParameters_t.hh.

double JRECONSTRUCTION::JShowerFitParameters_t::TMax_ns

inherited

maximum time for local coincidences [ns]

Definition at line 67 of file JShowerFitParameters_t.hh.

double JRECONSTRUCTION::JShowerFitParameters_t::TMin_ns

inherited

minimum time for local coincidences [ns]

Definition at line 68 of file JShowerFitParameters_t.hh.

double JRECONSTRUCTION::JShowerFitParameters_t::roadWidth_m

inherited

road width [m]

Definition at line 69 of file JShowerFitParameters_t.hh.

double JRECONSTRUCTION::JShowerFitParameters_t::R_Hz

inherited

default rate [Hz]

Definition at line 70 of file JShowerFitParameters_t.hh.

int JRECONSTRUCTION::JShowerFitParameters_t::mestimator

inherited

M-estimator.

Definition at line 71 of file JShowerFitParameters_t.hh.

double JRECONSTRUCTION::JShowerFitParameters_t::fit_step

inherited

simplex initial step

Definition at line 72 of file JShowerFitParameters_t.hh.

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

• JShowerFit.hh