JMuonStart.cc

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#include <string>
#include <iostream>
#include <iomanip>
#include <vector>
#include <set>
#include <algorithm>
#include <memory>

#include "km3net-dataformat/offline/Head.hh"
#include "km3net-dataformat/offline/Evt.hh"
#include "km3net-dataformat/definitions/fitparameters.hh"
#include "JDAQ/JDAQEventIO.hh"
#include "JDAQ/JDAQTimesliceIO.hh"
#include "JDAQ/JDAQSummarysliceIO.hh"

#include "JDetector/JDetector.hh"
#include "JDetector/JDetectorSubset.hh"
#include "JDetector/JDetectorToolkit.hh"
#include "JDetector/JModuleRouter.hh"

#include "JPhysics/JK40Rates.hh"

#include "JTrigger/JHit.hh"
#include "JTrigger/JHitR1.hh"
#include "JTrigger/JBuildL0.hh"
#include "JTrigger/JTriggerParameters.hh"

#include "JSupport/JSingleFileScanner.hh"
#include "JSupport/JParallelFileScanner.hh"
#include "JSupport/JFileRecorder.hh"
#include "JSupport/JSupport.hh"
#include "JSupport/JMeta.hh"

#include "JFit/JLine1Z.hh"
#include "JFit/JEnergyRegressor.hh"
#include "JFit/JFitToolkit.hh"
#include "JFit/JNPEHit.hh"
#include "JFit/JMEstimator.hh"
#include "JFit/JModel.hh"

#include "JReconstruction/JEvt.hh"
#include "JReconstruction/JEvtToolkit.hh"
#include "JReconstruction/JMuonStartParameters_t.hh"
#include "JReconstruction/JStart.hh"

#include "JPhysics/JConstants.hh"
#include "JTools/JFunction1D_t.hh"
#include "JTools/JFunctionalMap_t.hh"

#include "JPhysics/JPDFTable.hh"
#include "JPhysics/JPDFToolkit.hh"
#include "JPhysics/JNPETable.hh"

#include "JLang/JComparator.hh"

#include "Jeep/JPrint.hh"
#include "Jeep/JParser.hh"
#include "Jeep/JMessage.hh"


/**
 * \file
 *
 * Program to determine start position of muon trajectory.
 * \author mdejong
 */
int main(int argc, char **argv)
{
  using namespace std;
  using namespace JPP;
  using namespace KM3NETDAQ;

  typedef JParallelFileScanner< JTypeList<JDAQEvent, JEvt> >       JParallelFileScanner_t;
  typedef JParallelFileScanner_t::multi_pointer_type               multi_pointer_type;
  typedef JTYPELIST<JAllTypes_t, JEvt>::typelist                   typelist;

  JParallelFileScanner_t  inputFile;
  JFileRecorder<typelist> outputFile;
  JLimit_t&              numberOfEvents = inputFile.getLimit();
  string                 detectorFile;
  string                 pdfFile;
  JMuonStartParameters_t parameters;
  int                    debug;

  try { 

    JParser<> zap("Program to perform PDF fit of muon trajectory to data.");
    
    zap['f'] = make_field(inputFile);
    zap['o'] = make_field(outputFile)          = "start.root";
    zap['a'] = make_field(detectorFile);
    zap['n'] = make_field(numberOfEvents)      = JLimit::max();
    zap['P'] = make_field(pdfFile);
    zap['@'] = make_field(parameters)          = JPARSER::initialised();
    zap['d'] = make_field(debug)               = 1;
    
    zap(argc, argv);
  }
  catch(const exception& error) {
    FATAL(error.what() << endl);
  }


  cout.tie(&cerr);


  JDetector detector;

  try {
    load(detectorFile, detector);
  }
  catch(const JException& error) {
    FATAL(error);
  }

  const JModuleRouter router(detector);

  typedef JHitR1            hit_type;

  typedef vector<hit_type>  buffer_type;
  const JBuildL0<hit_type>  buildL0;
  

  typedef JRegressor<JEnergy>  JRegressor_t;

  JRegressor_t::debug = debug;
  JRegressor_t::T_ns.setRange(parameters.TMin_ns, parameters.TMax_ns);

  const JStart  start(parameters.Pmin1, parameters.Pmin2);

  JRegressor_t fit(pdfFile);

  if (fit.getRmax() < parameters.roadWidth_m) {
    parameters.roadWidth_m = fit.getRmax();
  }


  outputFile.open();

  outputFile.put(JMeta(argc, argv));

  while (inputFile.hasNext()) {

    STATUS("event: " << setw(10) << inputFile.getCounter() << '\r'); DEBUG(endl);

    multi_pointer_type ps  = inputFile.next();

    const JDAQEvent*   tev = ps;
    const JEvt*        in  = ps;

    // select start values

    JEvt cp  = *in;
    JEvt out;

    if (parameters.reprocess) {
      cp.select(JHistory::is_not_event(JMUONSTART));
    }

    cp.select(parameters.numberOfPrefits, qualitySorter);

    if (!cp.empty()) {
      cp.select(JHistory::is_event(cp.begin()->getHistory()));
    }


    buffer_type data;

    buildL0(*tev, router, true, back_inserter(data));


    for (JEvt::iterator track = cp.begin(); track != cp.end(); ++track) {

      const JRotation3D     R (getDirection(*track));
      const JLine1Z         tz(getPosition (*track).rotate(R), track->getT());
      const JModel<JLine1Z> match(tz, parameters.roadWidth_m, JRegressor_t::T_ns);

        
      multiset<JDAQModuleIdentifier> top;
          
      for (buffer_type::const_iterator i = data.begin(); i != data.end(); ++i) {
            
        hit_type hit(*i);

        hit.rotate(R);

        if (match(hit)) {
          top.insert(hit.getModuleIdentifier());
        }
      }

      vector<JNPEHit> data;

      for (JDetector::const_iterator i = detector.begin(); i != detector.end(); ++i) {

        const size_t count = top.count(i->getID());

        if (count != 0) {

          JPosition3D pos(i->getPosition());

          pos.transform(R, tz.getPosition());

          if (pos.getX() <= parameters.roadWidth_m) {

            JModule module = *i;

            module.transform(R, tz.getPosition());

            data.push_back(JNPEHit(fit.getNPE(module.begin(), module.end(), parameters.R_Hz), count));
          }
        }
      }


      double Zmin      = 0.0;     // relative start position [m]
      double Zmax      = 0.0;     // relative end   position [m]
      double npe       = 0.0;     // npe due to mip up to barycenter of hits
      double npe_total = 0.0;     // npe due to mip up to end of track

        
      if (!data.empty()) {
        
        sort(data.begin(), data.end(), make_comparator(&JNPEHit::getZ));

        vector<JNPEHit>::const_iterator         track_start = start.find(data. begin(), data. end());
        vector<JNPEHit>::const_reverse_iterator track_end   = start.find(data.rbegin(), data.rend());

        if (track_start == data. end()) { track_start = data. begin(); }
        if (track_end   == data.rend()) { track_end   = data.rbegin(); }

        Zmin = track_start->getZ();
        Zmax = track_end  ->getZ();
                
        for (vector<JNPEHit>::const_iterator i = track_start; i != track_end.base(); ++i) {
            
          if (i->getZ() <= 0.0) {
            npe += i->getYA();
          }
            
          npe_total += i->getYA();
        }

        DEBUG("vertex " << FIXED(6,1) << track->getW(JCOPY_Z_M, 0.0) << endl); 

        for (vector<JNPEHit>::const_iterator i = data.begin(); i != data.end(); ++i) {
          DEBUG(FIXED(6,1) << i->getZ()  << ' ' <<
                FIXED(6,4) << i->getY0() << ' ' <<
                FIXED(6,4) << i->getYA() << ' ' <<
                setw(1)    << i->getN()  << ' ' <<
                FIXED(6,4) << i->getP()  << endl);
        }

        DEBUG(" -->   " << FIXED(6,1) << Zmin << ' ' << FIXED(6,1) << Zmax << endl);
      }
        
      // move track
        
      track->move(Zmin, getSpeedOfLight());
        
      out.push_back(JFit(*track).add(JMUONSTART));
        
      out.rbegin()->setW(track->getW());
      out.rbegin()->setW(JSTART_NPE_MIP,       npe);
      out.rbegin()->setW(JSTART_NPE_MIP_TOTAL, npe_total);
      out.rbegin()->setW(JSTART_LENGTH_METRES, Zmax - Zmin);
    }
 
    // apply default sorter
      
    sort(out.begin(), out.end(), qualitySorter);

    copy(in->begin(), in->end(), back_inserter(out));
    
    outputFile.put(out);
  }
  STATUS(endl);

  JSingleFileScanner<JRemove<typelist, JEvt>::typelist> io(inputFile);

  io >> outputFile;

  outputFile.close();
}