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JGeanx.cc File Reference

Example program to histogram photon emission profile from showers using JPHYSICS::JGeanx. More...

#include <string>
#include <iostream>
#include "TROOT.h"
#include "TFile.h"
#include "TH1D.h"
#include "JPhysics/JGeanx.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 photon emission profile from showers using JPHYSICS::JGeanx.

Author
mdejong

Definition in file JGeanx.cc.

Function Documentation

int main ( int  argc,
char *  argv[] 
)

Definition at line 20 of file JGeanx.cc.

21 {
22  using namespace std;
23 
24  string outputFile;
25  bool debug;
26 
27  try {
28 
29  JParser<> zap("Example program to histogram photon emission profile from showers.");
30 
31  zap['o'] = make_field(outputFile) = "geanx.root";
32  zap['d'] = make_field(debug);
33 
34  zap(argc, argv);
35  }
36  catch(const exception &error) {
37  FATAL(error.what() << endl);
38  }
39 
40  using namespace JPP;
41 
42 
43  TFile out(outputFile.c_str(), "recreate");
44 
45  TH1D h1("Probability", NULL, 1000, -1.0, +1.0);
46  TH1D h2("Integral", NULL, 1000, -1.0, +1.0);
47 
48  for(int i = 1; i <= h1.GetNbinsX(); ++i) {
49 
50  const double x = h1.GetBinCenter(i);
51 
52  h1.SetBinContent(i, geanx(x));
53  h2.SetBinContent(i, geanx(-1.0,x));
54  }
55 
56  h1.Sumw2(kFALSE);
57  h2.Sumw2(kFALSE);
58 
59  out.Write();
60  out.Close();
61 }
Utility class to parse command line options.
Definition: JParser.hh:1500
then for HISTOGRAM in h0 h1
Definition: JMatrixNZ.sh:71
string outputFile
#define make_field(A,...)
macro to convert parameter to JParserTemplateElement object
Definition: JParser.hh:1961
int debug
debug level
Definition: JSirene.cc:63
#define FATAL(A)
Definition: JMessage.hh:67
static const JGeanx geanx(0.35,-5.40)
Function object for the number of photons from EM-shower as a function of emission angle...