implemented function that determines the mult. where the trigger correction goes...

[u/mrichter/AliRoot.git] / PWG0 / AliPWG0Helper.h

/* $Id$ */

#ifndef ALIPWG0HELPER_H
#define ALIPWG0HELPER_H

#include <TObject.h>

// static helper functions

class AliESD;
class TParticle;
class TH3;

class AliPWG0Helper : public TObject
{
  public:
    enum Trigger { kMB1 = 0, kMB2 }; // definition from ALICE-INT-2005-025

    static Bool_t IsEventTriggered(AliESD* aEsd, Trigger trigger = kMB2);
    static Bool_t IsVertexReconstructed(AliESD* aEsd);
    static Bool_t IsPrimaryCharged(TParticle* aParticle, Int_t aTotalPrimaries, Bool_t adebug = kFALSE);

    static void CreateProjections(TH3* hist, Bool_t save = kFALSE);
    static void CreateDividedProjections(TH3* hist, TH3* hist2, const char* axis = 0, Bool_t putErrors = kFALSE, Bool_t save = kFALSE);
    static const char* GetAxisTitle(TH3* hist, const char axis);
    
  protected:
    ClassDef(AliPWG0Helper, 0)

  private:
    AliPWG0Helper(const AliPWG0Helper&);
    AliPWG0Helper& operator=(const AliPWG0Helper&);
};

#endif