PairAnalysisHelper.h

Go to the documentation of this file.

#ifndef PAIRANALYSISHELPER_H
#define PAIRANALYSISHELPER_H
/* Copyright(c) 1998-2009, ALICE Experiment at CERN, All rights reserved. *
 * See cxx source for full Copyright notice                               */
 
//                                                                                       //
// PairAnalysis helpers                                                                    //
//                                                                                       //
//                                                                                       //
// Authors:                                                                              //
//   Julian Book <Julian.Book@cern.ch>                                                   //
//                                                                                       //
 
 
#include <TArrayD.h>
#include <TVectorDfwd.h>
 
#include "CbmDefs.h"
 
//class AliKFParticle;
/* class AliVEvent; */
/* class AliMCEvent; */
class TFormula;
class TH1;
class TH2;
class TObjArray;
 
namespace PairAnalysisHelper {
 
  TVectorD* MakeLogBinning(Int_t nbinsX, Double_t xmin, Double_t xmax);
  TVectorD* MakeLinBinning(Int_t nbinsX, Double_t xmin, Double_t xmax);
  TVectorD* MakeArbitraryBinning(const char* bins);
  TVectorD* MakeGausBinning(Int_t nbinsX, Double_t mean, Double_t sigma);
  TVectorD* CombineBinning(TVectorD* low, TVectorD* high);
 
  TArrayD* MakeStatBinLimits(TH1* h, Double_t stat);
 
  TVectorD* MakePdgBinning();
 
  //  void RotateKFParticle(AliKFParticle * kfParticle,Double_t angle/*, const PairAnalysisEventNEW * const ev=0x0*/);
 
  // tformula functions
  Double_t EvalFormula(TFormula* form, const Double_t* values);
  TString GetFormulaTitle(TFormula* form);
  TString GetFormulaName(TFormula* form);
  TFormula* GetFormula(const char* name, const char* formula);
 
  // pdg labels
  void SetPDGBinLabels(TH1* hist, Bool_t clean);
  TString GetPDGlabel(Int_t pdg);
  void SetGEANTBinLabels(TH1* hist);
 
  // misc
  TString GetDetName(ECbmModuleId det);
  Double_t GetContentMinimum(TH1* h, Bool_t inclErr = kTRUE);
  Double_t GetContentMaximum(TH1* h, Bool_t inclErr = kTRUE);
  Double_t GetQuantile(TH1* h1, Double_t p = 0.5);
 
  void NormalizeSlicesY(TH2* h);
  void CumulateSlicesX(TH2* h, Bool_t reverse = kFALSE, Bool_t norm = kFALSE);
  void Cumulate(TH1* h, Bool_t reverse = kFALSE, Bool_t norm = kFALSE);
 
  TObject* FindObjectByTitle(TObjArray* arrhist, TString ref);
 
  Int_t GetPrecision(Double_t value);
 
}  // namespace PairAnalysisHelper
 
#endif