JDK.cc File Reference

Example program to filter out-of-time hits in Evt data. More...

#include <string>
#include <iostream>
#include <iomanip>
#include <cmath>
#include "km3net-dataformat/offline/Head.hh"
#include "km3net-dataformat/offline/Evt.hh"
#include "km3net-dataformat/online/JDAQClock.hh"
#include "JSupport/JMultipleFileScanner.hh"
#include "JSupport/JFileRecorder.hh"
#include "JSupport/JMonteCarloFileSupportkit.hh"
#include "JSupport/JSupport.hh"
#include "JSupport/JMeta.hh"
#include "JAAnet/JAAnetToolkit.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 filter out-of-time hits in Evt data.

Author

mdejong

Definition in file JDK.cc.

Function Documentation

int main	(	int	argc,
		char **	argv
	)

Definition at line 29 of file JDK.cc.

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

  JMultipleFileScanner<Evt>                                       inputFile;
  JFileRecorder       <JTYPELIST<JAAnetTypes_t, JMeta>::typelist> outputFile;
  JLimit_t&  numberOfEvents = inputFile.getLimit();
  double     T_ns;
  int        debug;

  try {

    JParser<> zap("Example program to filter out-of-time hits in Evt data.");

    zap['f'] = make_field(inputFile);
    zap['o'] = make_field(outputFile);
    zap['n'] = make_field(numberOfEvents)      = JLimit::max();
    zap['T'] = make_field(T_ns)                = getFrameTime();
    zap['d'] = make_field(debug)               = 2;

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

  outputFile.open();

  if (!outputFile.is_open()) {
    FATAL("Error opening file " << outputFile << endl);
  }

  outputFile.put(JMeta(argc, argv));     
  outputFile.put(getHeader(inputFile));
  
  while (inputFile.hasNext()) {

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

    Evt*   evt = inputFile.next();

    double t0  = numeric_limits<double>::max();

    for (vector<Hit>::iterator hit = evt->mc_hits.begin(); hit != evt->mc_hits.end(); ++hit) {
      if (getTime(*hit) < t0) {
        t0 = getTime(*hit);
      }
    }

    vector<Hit>::iterator __end = evt->mc_hits.end();

    for (vector<Hit>::iterator hit = evt->mc_hits.begin(); hit != __end; ) {
      if (getTime(*hit) <= t0 + T_ns)
        ++hit;
      else
        iter_swap(hit, --__end);
    }

    evt->mc_hits.erase(__end, evt->mc_hits.end());

    outputFile.put(*evt);
  }
  STATUS(endl);

  outputFile.close();
}