PndFtfGenerator Class Reference

#include <PndFtfGenerator.h>

Inheritance diagram for PndFtfGenerator:

Public Member Functions
	PndFtfGenerator ()
	PndFtfGenerator (const Char_t *fileName)
virtual	~PndFtfGenerator ()
virtual Bool_t	ReadEvent (FairPrimaryGenerator *primGen)
void	SetStartEvent (Int_t start)

Private Member Functions
void	CloseInput ()
	Particle array from PLUTO. More...
	ClassDef (PndFtfGenerator, 1)

Private Attributes
Int_t	iEvent
const Char_t *	fFileName
	Event number. More...
TFile *	fInputFile
	Input file name. More...
TTree *	fInputTree
	Pointer to input file. More...
TClonesArray *	fParticles
	Pointer to input tree. More...

Detailed Description

Definition at line 30 of file PndFtfGenerator.h.

Constructor & Destructor Documentation

PndFtfGenerator::PndFtfGenerator

(

)

Default constructor (should not be used)

Definition at line 22 of file PndFtfGenerator.cxx.

                                 {
  iEvent     = 0;
  fInputFile = NULL;
  fInputTree = NULL;
}

PndFtfGenerator::PndFtfGenerator

(

const Char_t *

fileName

)

Standard constructor

Parameters

fileName

The input (PLUTO) file name

Definition at line 32 of file PndFtfGenerator.cxx.

References fParticles.

                                                       {
  iEvent     = 0;
  fFileName  = fileName;
  fInputFile = new TFile(fFileName);
  fInputTree = (TTree*) fInputFile->Get("data");
  fParticles = new TClonesArray("TParticle",100);
  fInputTree->SetBranchAddress("Particles", &fParticles);
}

PndFtfGenerator::~PndFtfGenerator ( )

virtual

Destructor

Definition at line 45 of file PndFtfGenerator.cxx.

                                  {
  CloseInput();
}

Member Function Documentation

PndFtfGenerator::ClassDef ( PndFtfGenerator  , 1    )

private

void PndFtfGenerator::CloseInput ( )

private

Particle array from PLUTO.

Private method CloseInput. Just for convenience. Closes the input file properly. Called from destructor and from ReadEvent.

Definition at line 109 of file PndFtfGenerator.cxx.

                                 {
  if ( fInputFile ) {
    cout << "-I PndFtfGenerator: Closing input file " << fFileName
         << endl;
    fInputFile->Close();
    delete fInputFile;
  }
  fInputFile = NULL;
}

Bool_t PndFtfGenerator::ReadEvent ( FairPrimaryGenerator *  primGen )

virtual

Reads on event from the input file and pushes the tracks onto the stack. Abstract method in base class.

Parameters

primGen

pointer to the FairPrimaryGenerator

Definition at line 53 of file PndFtfGenerator.cxx.

References Double_t, fParticles, g, and pz.

                                                               {

  // Check for input file
  if ( ! fInputFile ) {
    cout << "-E PndFtfGenerator: Input file nor open!" << endl;
    return kFALSE;
  }

  // Check for number of events in input file
  if ( iEvent > fInputTree->GetEntries() ) {
    cout << "-E PndFtfGenerator: No more events in input file!" << endl;
    CloseInput();
    return kFALSE;
  }
  TFile  *g=gFile;
  fInputFile->cd();
  fInputTree->GetEntry(iEvent++);
  g->cd();

   // Get number of particle in TClonesrray
  Int_t nParts = fParticles->GetEntriesFast();

  // Loop over particles in TClonesArray
  for (Int_t iPart=0; iPart < nParts; iPart++) {
    TParticle* part = (TParticle*) fParticles->At(iPart);
    Int_t pdgType = part->GetPdgCode();

    // Check if particle type is known to database
    if ( ! pdgType ) {
      cout << "-W PndFtfGenerator: Unknown type " << part->GetPdgCode()
           << ", skipping particle." << endl;
      continue;
    }

    Double_t px = part->Px();
    Double_t py = part->Py();
    Double_t pz = part->Pz();

    Double_t vx = part->Vx();
    Double_t vy = part->Vy();
    Double_t vz = part->Vz();

    // Give track to PrimaryGenerator
    primGen->AddTrack(pdgType, px, py, pz, vx, vy, vz);

  }        //  Loop over particle in event

  return kTRUE;

}

void PndFtfGenerator::SetStartEvent ( Int_t  start )

inline

Definition at line 55 of file PndFtfGenerator.h.

References iEvent.

{ iEvent = start; };

Member Data Documentation

const Char_t* PndFtfGenerator::fFileName

private

Event number.

Definition at line 60 of file PndFtfGenerator.h.

TFile* PndFtfGenerator::fInputFile

private

Input file name.

Definition at line 61 of file PndFtfGenerator.h.

TTree* PndFtfGenerator::fInputTree

private

Pointer to input file.

Definition at line 62 of file PndFtfGenerator.h.

TClonesArray* PndFtfGenerator::fParticles

private

Pointer to input tree.

Definition at line 63 of file PndFtfGenerator.h.

Int_t PndFtfGenerator::iEvent

private

Definition at line 55 of file PndFtfGenerator.h.

Referenced by SetStartEvent().

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

• PndFtfGenerator.h
• PndFtfGenerator.cxx