ALPACAGenerator Class Reference

#include <ALPACAGenerator.h>

Inheritance diagram for ALPACAGenerator:

Collaboration diagram for ALPACAGenerator:

Public Member Functions
	ALPACAGenerator ()
virtual	~ALPACAGenerator ()
Bool_t	ReadEvent (FairPrimaryGenerator *)
virtual Bool_t	Init (const char *, int)
virtual Bool_t	Init (const char *)
Int_t	GetNevents ()

Protected Member Functions
	ClassDef (ALPACAGenerator, 1)

Protected Attributes
Float_t	pdg
Float_t	parent
Float_t	event
Float_t	track
Float_t	e
Float_t	tof
Float_t	x
Float_t	y
Float_t	z
Float_t	px
Float_t	py
Float_t	pz
Float_t	w
TFile *	fInputFile
TTree *	fTree
FairLogger *	fLogger
int	fNevents
	don't make it persistent, magic ROOT command
int	fn

Detailed Description

Definition at line 11 of file ALPACAGenerator.h.

Constructor & Destructor Documentation

ALPACAGenerator()

ALPACAGenerator::ALPACAGenerator

(

)

default constructor

Definition at line 17 of file ALPACAGenerator.cxx.

{}

~ALPACAGenerator()

ALPACAGenerator::~ALPACAGenerator ( )

virtual

destructor

Definition at line 52 of file ALPACAGenerator.cxx.

{
 // cout << "destroy Ntuple" << endl;
 fInputFile->Close();
 fInputFile->Delete();
 delete fInputFile;
}

Member Function Documentation

ClassDef()

ALPACAGenerator::ClassDef ( ALPACAGenerator  , 1    )

protected

GetNevents()

Int_t ALPACAGenerator::GetNevents

(

)

Definition at line 92 of file ALPACAGenerator.cxx.

{
 return fNevents/3;
}

Init() [1/2]

Bool_t ALPACAGenerator::Init ( const char *  fileName )

virtual

Definition at line 20 of file ALPACAGenerator.cxx.

                                                 {
  return Init(fileName, 0);
}

Init() [2/2]

Bool_t ALPACAGenerator::Init ( const char *  fileName, int  firstEvent  )

virtual

Definition at line 24 of file ALPACAGenerator.cxx.

                                                                       {
  cout << "Info ALPACAGenerator: Opening input file " << fileName << endl;
  fInputFile  = new TFile(fileName);
  if (fInputFile->IsZombie()) {
    cout << "-E ALPACAGenerator: Error opening the Signal file" << fileName << endl;
  }
  fTree = (TTree *)fInputFile->Get("MCTrack");
  fNevents = fTree->GetEntries();
  fn=firstEvent;
  fTree->SetBranchAddress("event",&event); //event no.
  fTree->SetBranchAddress("track",&track); //track no.
  fTree->SetBranchAddress("pdg",&pdg);              // particle pdg
  fTree->SetBranchAddress("parent",&parent);    // parent track number
  fTree->SetBranchAddress("tof",&tof); // time of flight
  fTree->SetBranchAddress("e",&e);          // incoming muon energy
  fTree->SetBranchAddress("w",&w);                  // weight of event
  fTree->SetBranchAddress("x",&x); // position in x
  fTree->SetBranchAddress("y",&y); // position in y
  fTree->SetBranchAddress("z",&z); // position in z
  fTree->SetBranchAddress("px",&px);     // momentum in x
  fTree->SetBranchAddress("py",&py);     // momentum in y
  fTree->SetBranchAddress("pz",&pz);     // momentum in z
  return kTRUE;
}

ReadEvent()

Bool_t ALPACAGenerator::ReadEvent

(

FairPrimaryGenerator *

cpg

)

public method ReadEvent

Definition at line 62 of file ALPACAGenerator.cxx.

{
  if (fn<fNevents) {
  fTree->GetEntry(fn); // ALP is getting,
  if (track==0&&parent==-1) {
      cpg->AddTrack(pdg,px,py,pz,x,y,z,-1.,false,e,tof,w); // ALP track is added.
  }
  fTree->GetEntry(fn+1); // First daughter/photon is getting,
  if (track==1&&parent==0) {
      cpg->AddTrack(pdg,px,py,pz,x,y,z,0,true,e,tof,w); // First daughter/photon track is added.
  }
  fTree->GetEntry(fn+2); // Second daughter/photon is getting,
  if (track==2&&parent==0) {
      cpg->AddTrack(pdg,px,py,pz,x,y,z,0,true,e,tof,w); // Second daughter/photon track is added.
  }
  else {
      return kFALSE;
  }
  fn=fn+3; // Goes to next event, more specifically next ALP,
  cout << "Event Number:"<<fn/3 <<endl; // this division is due to the fact that ntuple is recorded in track based and every event has three tracks.
  return kTRUE;
  }
  else {
     cout << "No more input events"<<endl;
     return kFALSE;
  }
}

Member Data Documentation

e

Float_t ALPACAGenerator::e

protected

Definition at line 30 of file ALPACAGenerator.h.

event

Float_t ALPACAGenerator::event

protected

Definition at line 29 of file ALPACAGenerator.h.

fInputFile

TFile* ALPACAGenerator::fInputFile

protected

Definition at line 32 of file ALPACAGenerator.h.

fLogger

FairLogger* ALPACAGenerator::fLogger

protected

Definition at line 34 of file ALPACAGenerator.h.

fn

int ALPACAGenerator::fn

protected

Definition at line 36 of file ALPACAGenerator.h.

fNevents

int ALPACAGenerator::fNevents

protected

don't make it persistent, magic ROOT command

Definition at line 35 of file ALPACAGenerator.h.

fTree

TTree* ALPACAGenerator::fTree

protected

Definition at line 33 of file ALPACAGenerator.h.

parent

Float_t ALPACAGenerator::parent

protected

Definition at line 29 of file ALPACAGenerator.h.

pdg

Float_t ALPACAGenerator::pdg

protected

Definition at line 29 of file ALPACAGenerator.h.

px

Float_t ALPACAGenerator::px

protected

Definition at line 30 of file ALPACAGenerator.h.

py

Float_t ALPACAGenerator::py

protected

Definition at line 30 of file ALPACAGenerator.h.

pz

Float_t ALPACAGenerator::pz

protected

Definition at line 30 of file ALPACAGenerator.h.

tof

Float_t ALPACAGenerator::tof

protected

Definition at line 30 of file ALPACAGenerator.h.

track

Float_t ALPACAGenerator::track

protected

Definition at line 29 of file ALPACAGenerator.h.

w

Float_t ALPACAGenerator::w

protected

Definition at line 31 of file ALPACAGenerator.h.

x

Float_t ALPACAGenerator::x

protected

Definition at line 30 of file ALPACAGenerator.h.

y

Float_t ALPACAGenerator::y

protected

Definition at line 30 of file ALPACAGenerator.h.

z

Float_t ALPACAGenerator::z

protected

Definition at line 30 of file ALPACAGenerator.h.

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The documentation for this class was generated from the following files:

• shipgen/ALPACAGenerator.h
• shipgen/ALPACAGenerator.cxx