JReconstruction/JDAQFilter.cc File Reference

Example program to select events based on hits in strings. More...

#include <string>
#include <iostream>
#include <iomanip>
#include <set>
#include <map>
#include "km3net-dataformat/offline/Head.hh"
#include "km3net-dataformat/offline/Evt.hh"
#include "JDetector/JDetector.hh"
#include "JDetector/JDetectorToolkit.hh"
#include "JDetector/JDAQHitRouter.hh"
#include "JDAQ/JDAQEventIO.hh"
#include "JDAQ/JDAQSummarysliceIO.hh"
#include "JSupport/JMeta.hh"
#include "JSupport/JSupport.hh"
#include "JSupport/JTreeScanner.hh"
#include "JSupport/JFileRecorder.hh"
#include "JSupport/JParallelFileScanner.hh"
#include "JSupport/JMonteCarloFileSupportkit.hh"
#include "JTrigger/JTriggerParameters.hh"
#include "JReconstruction/JEvt.hh"
#include "JReconstruction/JEvtToolkit.hh"
#include "JReconstruction/JEventSelector.hh"
#include "Jeep/JParser.hh"
#include "Jeep/JMessage.hh"

Go to the source code of this file.

Functions
int	main (int argc, char **argv)

Detailed Description

Example program to select events based on hits in strings.

Author

mdejong

Definition in file JReconstruction/JDAQFilter.cc.

Function Documentation

int main	(	int	argc,
		char **	argv
	)

Definition at line 41 of file JReconstruction/JDAQFilter.cc.

{
  using namespace std;
  using namespace JPP;
  using namespace KM3NETDAQ;

  typedef map<int, int> map_type;

  typedef JTYPELIST<JRemove<JAllTypes_t, JDAQTimesliceTypes_t>::typelist, JFIT::JEvt>::typelist   output_typelist;

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

  JParallelFileScanner_t          inputFile;
  size_t                          numberOfEvents;
  JFileRecorder<output_typelist>  outputFile;
  string                          detectorFile;
  map_type                        selector;
  int                             debug;

  try { 

    JParser<> zap("Example program to select events based on hits in strings.");
    
    zap['f'] = make_field(inputFile,      "input file (output of JXXXReconstruction.sh)");
    zap['n'] = make_field(numberOfEvents, "maximum number of selected events")
      = std::numeric_limits<size_t>::max();
    zap['o'] = make_field(outputFile,     "output file name")
      = "extract.root";
    zap['a'] = make_field(detectorFile,   "detector file.");
    zap['S'] = make_field(selector,       "selection: pairs of <string number> <minimum number of triggered hits>");
    zap['d'] = make_field(debug)               = 2;
    
    zap['a'] = JPARSER::initialised();
    zap['S'] = JPARSER::initialised();

    zap(argc, argv);
  }
  catch(const exception& error) {
    FATAL(error.what() << endl);
  }


  JDetector detector;

  if (detectorFile != "") {

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

  } else if (!selector.empty()) {

    FATAL("Missing detector file.");
  }

  const JDAQHitRouter router(detector);


  map<int, set<int> > buffer;

  outputFile.open();

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

  for (JTreeScanner<Evt> mc(inputFile); inputFile.hasNext(); ) {

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

    multi_pointer_type ps = inputFile.next();

    JDAQEvent* tev   = ps;
    JEvt*      in    = ps;
    Evt*       event = NULL;

    if (in->empty()) { continue; }

    if (mc.getEntries() != 0) {
      event = mc.getEntry(tev->getCounter());
    }

    bool status = selector.empty();

    if (!status) {

      map_type response;
    
      typedef JDAQTriggeredHit JHit_t;

      for (JDAQEvent::const_iterator<JHit_t> hit = tev->begin<JHit_t>(); hit != tev->end<JHit_t>(); ++hit) {

        const JPMTChannel& channel = router.getPMTChannel(*hit);
      
        response[channel.getString()] += 1;
      }
     
      for (map_type::const_iterator i = selector.begin(); i != selector.end() && !status; ++i) {
        status = response[i->first] >= i->second;
      }
    }

    if (status) {

      if (event != NULL) {
        outputFile.put(*event);
      }
      outputFile.put(*tev);
      outputFile.put(*in);

      buffer[tev->getRunNumber()].insert(tev->getFrameIndex());
    }
  }
  STATUS(endl);


  for (JMultipleFileScanner<JDAQSummaryslice> in(inputFile); in.hasNext(); ) {

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

    JDAQSummaryslice* summary = in.next();
    
    if (buffer[summary->getRunNumber()].count(summary->getFrameIndex())) {
      outputFile.put(*summary);
    }
  }
  STATUS(endl);


  JMultipleFileScanner<JTriggerParameters> io(inputFile);

  io >> outputFile;

  outputFile.close();
}