JSlewing.cc File Reference

Example program to histogram time over threshold as a function of number of photo-electrons. More...

#include <string>
#include <iostream>
#include <iomanip>
#include <cmath>
#include "TROOT.h"
#include "TFile.h"
#include "TH1D.h"
#include "JDetector/JPMTAnalogueSignalProcessor.hh"
#include "JTrigger/JGetRiseTime.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 histogram time over threshold as a function of number of photo-electrons.

Author

mdejong

Definition in file JSlewing.cc.

Function Documentation

main()

int main	(	int	argc,
		char **	argv )

Definition at line 24 of file JSlewing.cc.

{
  using namespace std;
  using namespace JPP;
 
  string         outputFile;
  JPMTParameters parameters;
  int            debug;
 
  try {
 
    JProperties properties = parameters.getProperties();
 
    JParser<> zap("Example program to histogram time over threshold as a function of number of photo-electrons.");
 
    zap['o'] = make_field(outputFile)       = "histogram.root";
    zap['P'] = make_field(properties)       = JPARSER::initialised();
    zap['d'] = make_field(debug)            = 0;
 
    zap(argc, argv);
  }
  catch(const exception &error) {
    FATAL(error.what() << endl);
  }
 
 
  if (debug >= JEEP::debug_t) {
    cout << "PMT parameters:" << endl;
    cout << parameters.getProperties(JEquationParameters("=", "\n", "", "")) << endl;
  }
 
  JPMTAnalogueSignalProcessor cpu(parameters);
 
  TFile out(outputFile.c_str(), "recreate");  
 
  TH1D h0("[model]",           NULL,  510, 0.0, 255.0);
  TH1D h1("[parametrisation]", NULL,  510, 0.0, 255.0);
 
  for (int i = 1; i <= h0.GetNbinsX(); ++i) {
 
    try {
 
      const double x   = h0.GetBinCenter(i);
 
      double npe = cpu.getNPE(x);
 
      if (npe > cpu.saturation) {
        npe = cpu.saturation;
      }
 
      double y   = cpu.getRiseTime(npe);
 
      DEBUG(" " << FIXED(4,1) << x << ' ' << FIXED(7,3) << npe << ' ' << FIXED(7,3) << y << endl);
 
      h0.SetBinContent(i, y);
      h1.SetBinContent(i, getRiseTime(x));
    }
    catch(const JValueOutOfRange& error) {}
  }
 
  out.Write();
  out.Close();
}