JFluxMap.cc

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#include <iostream>
#include <iomanip>
#include <string>
 
#include "km3net-dataformat/offline/Head.hh"
#include "km3net-dataformat/offline/Evt.hh"
 
#include "JOscProb/JOscParameters.hh"
#include "JOscProb/JOscProbInterpolator.hh"
 
#include "JAAnet/JAAnetToolkit.hh"
#include "JAAnet/JEvtCategoryMap.hh"
 
#include "JSupport/JSupport.hh"
#include "JSupport/JMultipleFileScanner.hh"
#include "JSupport/JEvtWeightFileScannerSet.hh"
 
#include "Jeep/JPrint.hh"
#include "Jeep/JParser.hh"
#include "Jeep/JMessage.hh"
 
 
/**
 * \file
 * Example program for scanning event-weights of Monte Carlo files\n
 * using specifiable flux functions.
 *
 * \author bjung
 */
int main(int argc, char **argv)
{
  using namespace std;
  using namespace JPP;
 
  JMultipleFileScanner_t inputFiles;
 
  string                 oscProbTable;
  JOscParameters<double> oscParameters;
 
  JFluxMap               fluxMap{JOscProbInterpolator<>()};
  
  int                    debug;
 
  try {
    
    JParser<> zap;
    
    zap['f'] = make_field(inputFiles);
    zap['P'] = make_field(oscProbTable,  "oscillation probability table file")
      = "";
    zap['@'] = make_field(oscParameters, "oscillation parameters")
      = JPARSER::initialised();
    zap['%'] = make_field(fluxMap)
      = JPARSER::initialised();
    zap['d'] = make_field(debug)
      = 1;
 
    zap(argc, argv);
  }
  catch(const exception& error) {
    FATAL(error.what() << endl);
  }
 
 
  // Load oscillation probability table
 
  if (!oscProbTable.empty()) {
    
    JOscProbInterpolator<>& interpolator = static_cast<JOscProbInterpolator<>&>(fluxMap.oscProb.getOscProbInterface());    
 
    interpolator.set (oscParameters);
    interpolator.load(oscProbTable.c_str());
  }
  
  
  // Create file scanners
  
  JEvtWeightFileScannerSet<> scanners(inputFiles);
 
  if (scanners.setFlux(fluxMap) == 0) {
    WARNING("No flux functions set." << endl);
  }
  
  
  // Scan events
  
  for (JEvtWeightFileScannerSet<>::iterator scanner = scanners.begin(); scanner != scanners.end(); ++scanner) {
    
    if (scanner->simul.size() > 0) {
      STATUS("Scanning " << scanner->simul[0].program << " files..." << endl);
    }
 
    STATUS(LEFT(15) << "event" << RIGHT(15) << "rate" << endl);
 
    while (scanner->hasNext()) {
 
      const Evt*   event  = scanner->next();
      const double weight = scanner->getWeight(*event);
      
      STATUS(LEFT      (15)    << scanner->getCounter() <<
             SCIENTIFIC(15, 3) << weight << '\r'); DEBUG(endl);
    }
  }
 
  return 0;
}