JMuonPath.cc

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#include <string>
#include <iostream>
#include <iomanip>
#include <vector>
#include <algorithm>
 
#include "km3net-dataformat/offline/Head.hh"
#include "km3net-dataformat/offline/MultiHead.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/JDetectorToolkit.hh"
#include "JDetector/JModuleRouter.hh"
 
#include "JTrigger/JHit.hh"
#include "JTrigger/JFrame.hh"
#include "JTrigger/JTimeslice.hh"
#include "JTrigger/JHitL0.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/JPMTW0.hh"
#include "JFit/JLine3Z.hh"
#include "JFit/JGandalf.hh"
#include "JFit/JLine3ZRegressor.hh"
#include "JFit/JFitToolkit.hh"
#include "JFit/JModel.hh"
 
#include "JReconstruction/JHitW0.hh"
#include "JReconstruction/JEvt.hh"
#include "JReconstruction/JEvtToolkit.hh"
 
#include "JPhysics/JConstants.hh"
#include "JTools/JFunction1D_t.hh"
#include "JTools/JFunctionalMap_t.hh"
 
#include "JPhysics/JPDFTable.hh"
#include "JPhysics/JPDFToolkit.hh"
 
#include "Jeep/JParser.hh"
#include "Jeep/JMessage.hh"
 
 
/**
 * \file
 *
 * Program to perform JFIT::JRegressor<JLine3Z,JGandalf> fit with I/O of JFIT::JEvt data.
 * \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;
  double         roadWidth_m;
  double         R_Hz;
  size_t         numberOfPrefits;
  double         TTS_ns;
  double         E_GeV;
  int            debug;
 
  try { 
 
    JParser<> zap("Program to perform fit of muon path to data.");
    
    zap['f'] = make_field(inputFile);
    zap['o'] = make_field(outputFile)          = "path.root";
    zap['a'] = make_field(detectorFile);
    zap['n'] = make_field(numberOfEvents)      = JLimit::max();
    zap['P'] = make_field(pdfFile);
    zap['R'] = make_field(roadWidth_m)         = numeric_limits<double>::max();
    zap['B'] = make_field(R_Hz)                = 6.0e3;
    zap['N'] = make_field(numberOfPrefits)     = 1;
    zap['T'] = make_field(TTS_ns);
    zap['E'] = make_field(E_GeV)               = 1.0e3;
    zap['d'] = make_field(debug)               = 1;
    
    zap(argc, argv);
  }
  catch(const exception& error) {
    FATAL(error.what() << endl);
  }
 
 
  JDetector detector;
 
  try {
    load(detectorFile, detector);
  }
  catch(const JException& error) {
    FATAL(error);
  }
 
  const JModuleRouter router(detector);
 
 
  typedef vector<JHitL0>  JDataL0_t;
  const JBuildL0<JHitL0>  buildL0;
 
 
  typedef JRegressor<JLine3Z, JGandalf>  JRegressor_t;
 
  const JTimeRange T_ns(-50.0, +50.0);
  
  JRegressor_t::debug              = debug;
  JRegressor_t::Vmax_npe           =   10.0;    // npe
  JRegressor_t::MAXIMUM_ITERATIONS = 10000;
 
  JRegressor_t fit(pdfFile, T_ns, TTS_ns);
 
  fit.transform(JRegressor_t::transformer_type::getDefaultTransformer());     // get rid of R-dependent weight function
 
  fit.estimator.reset(new JMEstimatorLorentzian());
 
  fit.parameters.resize(4);
 
  fit.parameters[0] = JLine3Z::pX();
  fit.parameters[1] = JLine3Z::pY();
  fit.parameters[2] = JLine3Z::pDX();
  fit.parameters[3] = JLine3Z::pDY();
 
  if (fit.getRmax() < roadWidth_m) {
 
    roadWidth_m = fit.getRmax();
 
    WARNING("Set road width to [m] " << roadWidth_m << endl);
  }
 
  const double Rmax_m  = 100.0;     // hit selection [m]
  const double Tmax_ns =  10.0;     // hit selection [ns]
 
 
  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;
 
    JEvt cp  = *in;
    JEvt out;
 
    cp.select(numberOfPrefits, qualitySorter);
 
 
    JDataL0_t dataL0;
      
    buildL0(*tev, router, true, back_inserter(dataL0));
      
 
    for (JEvt::const_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, roadWidth_m, T_ns);
 
      // hit selection based on start value
 
      multiset<JDAQPMTIdentifier> top;
 
      JRange<double> Z = JRange<double>::DEFAULT_RANGE();
 
      for (JDataL0_t::const_iterator i = dataL0.begin(); i != dataL0.end(); ++i) {
            
        JHitW0 hit(*i, R_Hz);
            
        hit.rotate(R);
 
        if (match(hit)) {
 
          top.insert(hit.getPMTIdentifier());
 
          const double t1 = hit.getT() - tz.getT(hit);
 
          if (tz.getDistance(hit) <= Rmax_m && t1 >= -Tmax_ns && t1 <= +Tmax_ns) {
            Z.include(hit.getZ() - tz.getDistance(hit) / getTanThetaC());
          }
        }
      }
          
 
      vector<JPMTW0> buffer;
 
      for (JDetector::const_iterator module = detector.begin(); module != detector.end(); ++module) {
 
        JPosition3D pos(module->getPosition());
            
        pos.rotate(R);
            
        if (tz.getDistance(pos) <= roadWidth_m  &&  Z(pos.getZ() - tz.getDistance(pos) / getTanThetaC())) {
              
          for (unsigned int i = 0; i != module->size(); ++i) {
                
            const JDAQPMTIdentifier id(module->getID(), i);
                
            JPMT pmt(module->getPMT(i));
                
            pmt.rotate(R);
 
            buffer.push_back(JPMTW0(pmt, R_Hz, top.count(id)));
          }
        }
      }
 
 
      const int NDF = buffer.size() - fit.parameters.size();
 
      if (NDF >= 0) {
 
        // set fit parameters
 
        if (track->getE() > 0.1)
          fit.E_GeV   = track->getE();
        else
          fit.E_GeV   = E_GeV;
 
        const double chi2 = fit(JLine3Z(tz), buffer.begin(), buffer.end());
            
        JTrack3D tb(fit.value);
            
        tb.rotate_back(R);
 
        out.push_back(getFit(JMUONPATH, tb, getQuality(chi2), NDF));
 
        out.rbegin()->setW(track->getW());
      }
    }
 
    // apply default sorter
 
    sort(out.begin(), out.end(), qualitySorter);
 
    outputFile.put(out);
  }
  STATUS(endl);
 
  JSingleFileScanner<JRemove<typelist, JEvt>::typelist> io(inputFile);
 
  io >> outputFile;
 
  outputFile.close();
}