pythiaExample.C File Reference

#include "TApplication.h"
#include "TPythia6.h"
#include "TFile.h"
#include "TError.h"
#include "TTree.h"
#include "TClonesArray.h"
#include "TH1.h"
#include "TF1.h"
#include "TStyle.h"
#include "TLatex.h"
#include "TCanvas.h"
#include "Riostream.h"
#include <cstdlib>

Go to the source code of this file.

Defines
#define	FILENAME   "pythia.root"
#define	TREENAME   "tree"
#define	BRANCHNAME   "particles"
#define	HISTNAME   "ptSpectra"
#define	PDGNUMBER   211
Functions
void	loadLibraries ()
int	makeEventSample (Int_t nEvents)
int	showEventSample ()
void	pythiaExample (Int_t n=1000)
int	main (int argc, char **argv)

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Define Documentation

#define BRANCHNAME   "particles"

Definition at line 82 of file pythiaExample.C.

Referenced by makeEventSample().

#define FILENAME   "pythia.root"

Definition at line 80 of file pythiaExample.C.

Referenced by makeEventSample(), and showEventSample().

#define HISTNAME   "ptSpectra"

Definition at line 83 of file pythiaExample.C.

Referenced by makeEventSample(), and showEventSample().

#define PDGNUMBER   211

Definition at line 84 of file pythiaExample.C.

Referenced by makeEventSample().

#define TREENAME   "tree"

Definition at line 81 of file pythiaExample.C.

Referenced by makeEventSample(), and showEventSample().

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Function Documentation

void loadLibraries

(

)

Definition at line 88 of file pythiaExample.C.

References gSystem, and TSystem::Load().

Referenced by makeEventSample(), and showEventSample().

int main	(	int	argc,
		char **	argv
	)

Definition at line 224 of file pythiaExample.C.

References makeEventSample(), n, NULL, TApplication::Run(), showEventSample(), and strtol().

int makeEventSample

(

Int_t

nEvents

)

Definition at line 100 of file pythiaExample.C.

References TTree::Branch(), BRANCHNAME, TFile::Close(), TTree::Draw(), Error, FILENAME, TTree::Fill(), func(), TPythia6::GenerateEvent(), TGenerator::GetListOfParticles(), hist, HISTNAME, i, TPythia6::Initialize(), TFile::IsOpen(), loadLibraries(), TFile::Open(), PDGNUMBER, TTree::Print(), sprintf(), TREENAME, and TFile::Write().

Referenced by main(), and pythiaExample().

void pythiaExample

(

Int_t

n = 1000

)

Definition at line 218 of file pythiaExample.C.

References makeEventSample(), n, and showEventSample().

int showEventSample

(

)

Definition at line 172 of file pythiaExample.C.

References canvas, Error, FILENAME, func(), TDirectoryFile::Get(), gStyle, hist, HISTNAME, TFile::IsOpen(), latex(), loadLibraries(), TFile::Open(), TPad::SetLogy(), TStyle::SetOptStat(), sprintf(), TTree::StartViewer(), and TREENAME.

Referenced by main(), and pythiaExample().

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