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/MultiHead.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

main()

int main	(	int	argc,
		char **	argv )

Definition at line 30 of file JDK.cc.

{
  using namespace std;
  using namespace JPP;
  using namespace KM3NETDAQ;
 
  JMultipleFileScanner<Evt>                                              inputFile;
  JFileRecorder       <JTYPELIST<JAAnetTypes_t, JMetaTypes_t>::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));
 
  long long int number_of_hits[] = { 0, 0 };
  
  while (inputFile.hasNext()) {
 
    STATUS("event: " << setw(10) << inputFile.getCounter() << '\r'); DEBUG(endl);
 
    Evt*   evt = inputFile.next();
 
    number_of_hits[0] += evt->mc_hits.size();
 
    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);
    }
 
    number_of_hits[1] += distance(__end, evt->mc_hits.end());
 
    evt->mc_hits.erase(__end, evt->mc_hits.end());
 
    outputFile.put(*evt);
  }
  STATUS(endl);
 
  cout << "Number of hits processed/removed " << number_of_hits[0] << "/" << number_of_hits[1] << endl;
 
  JMultipleFileScanner<JTYPELIST<JMetaTypes_t, MultiHead>::typelist> io(inputFile);
 
  io >> outputFile;
 
  outputFile.close();
}