[u/mrichter/AliRoot.git] / OADB / AliOADBPWG2Spectra.cxx

#include "AliOADBPWG2Spectra.h"
#include "TNamed.h"
#include "TString.h"
#include "TH1D.h"
#include "TObject.h"
#include "TList.h"
#include "AliAnalysisManager.h"
#include "TBrowser.h"
#include "AliLog.h"

ClassImp(AliOADBPWG2Spectra)

const char * AliOADBPWG2Spectra::fDetectorNames[] = {"ITS", "ITSTPC", "TPC", "TOF", "TOFTPC", "Dummy", "Dummy"};
const char * AliOADBPWG2Spectra::fPidTypeNames[]  = {"GaussFit", "NSigma", "Bayes", "Kinks"};
const char * AliOADBPWG2Spectra::fChargeTags[]    = {"Pos", "Neg"};
const char * AliOADBPWG2Spectra::fParticleNames[] = {"Pion", "Kaon", "Proton"};


AliOADBPWG2Spectra::AliOADBPWG2Spectra():
TNamed("Dummy", "OADB Object for PWG2 Spectra" ), fHistos(0)
{
  // ctor
  

}
AliOADBPWG2Spectra::AliOADBPWG2Spectra(char* name) :
TNamed(name, "OADB Object for PWG2 Spectra" ), fHistos(0) 

{
  // ctor
  // name is appended to all histos (e.g. "Corrected")

  Init();

}

AliOADBPWG2Spectra::~AliOADBPWG2Spectra() {
  // dtor
  if(fHistos) delete fHistos;
}

void AliOADBPWG2Spectra::Init() {
  fHistos = new TList();
}


const char * AliOADBPWG2Spectra::GetOADBPWG2SpectraFileName()  {
  // get file name to the OADB
  static TString filename;
  filename.Form("%s/PWG2/SPECTRA/spectraResults.root", AliAnalysisManager::GetOADBPath()); 
  return filename.Data();

}
const char * AliOADBPWG2Spectra::GetHistoName(EPWG2SpectraDetector det, EPWG2SpectraPIDType pidType, EPWG2SpectraParticle part, 
						     EPWG2SpectraCharge charge, const char * centrTag, Int_t centrBin) {

  // Returns histogram name
  // h[Name]_[Detector(s)]_[PIDType]_[Particle]_[Pos|Neg]_[MultiplicityOrCentralityIndex]
  // where "name" is the name of this container

  
  static TString histoName;
  if (centrTag)
    histoName.Form("h%s_%s_%s_%s_%s_%s_%d", GetName(), fDetectorNames[det], fPidTypeNames[pidType], fParticleNames[part], fChargeTags[charge], centrTag, centrBin);
  else 
    histoName.Form("h%s_%s_%s_%s_%s",       GetName(), fDetectorNames[det], fPidTypeNames[pidType], fParticleNames[part], fChargeTags[charge]);

  return histoName.Data();
}

TH1D * AliOADBPWG2Spectra::GetHisto(EPWG2SpectraDetector det, EPWG2SpectraPIDType pidType, EPWG2SpectraParticle part, 
				    EPWG2SpectraCharge charge, const char * centrTag, Int_t centrBin){

  // Get an histogram from the list
  const char * name = GetHistoName(det,pidType,part,charge,centrTag,centrBin);
  TH1D * h = (TH1D*) fHistos->FindObject(name);
  return h;

}

void  AliOADBPWG2Spectra::AddHisto(TH1D * h, EPWG2SpectraDetector det, EPWG2SpectraPIDType pidType, EPWG2SpectraParticle part, 
				    EPWG2SpectraCharge charge, const char * centrTag, Int_t centrBin) {
  // Add a histogram to the list
  // Rename and rebinn it if necessary
  
  if(!h) {
    AliWarning("Empty pointer to histogram");
    return;
  }
  
  const char * name = GetHistoName(det,pidType,part,charge,centrTag,centrBin);
  static TH1D * htest = BookHisto(kDetDummy, kGaussFit,kPion, kPos);
  if(!CompareBinning(h,htest)){
    AliWarning("Histo have different binning! Rebinning to standard"){
      h = GetHistoStandardBinning(h,det,pidType,part,charge,centrTag,centrBin);
    }
  }
  TH1D * hold = (TH1D*) fHistos->FindObject(name);
  if (hold) fHistos->Remove(hold);
  delete hold;
  if(strcmp(h->GetName(),name)){
    AliError(Form("Histogram namws are not consinstent %s-%s, resetting", h->GetName(),name));
    h->SetName(name); 
  }
  fHistos->Add(h);


}

TH1D * AliOADBPWG2Spectra::BookHisto(EPWG2SpectraDetector det, EPWG2SpectraPIDType pidType, EPWG2SpectraParticle part, 
				     EPWG2SpectraCharge charge, const char * centrTag, Int_t centrBin) {

  // book a histogram according to the template. All the histograms
  // should have the same binning (if possible/reasonable) to
  // facilitate the compoarison and the combination

  const Float_t templBins[] = {0.05,0.1,0.12,0.14,0.16,0.18,0.20,0.25,0.30,0.35,0.4,0.45,0.5,0.55,0.6,0.65,0.7,0.75,0.8,0.85,0.9,0.95,1.0,1.1,1.2,1.3,1.4,1.5,1.6,1.7,1.8,2,2.2,2.4,2.6, 2.7, 2.8, 2.9, 3.0, 3.2, 3.4, 3.6, 3.8, 4.0, 4.2, 4.4, 4.6, 4.8, 5.0};
  Int_t nbinsTempl=48;
  const char * name = GetHistoName(det,pidType,part,charge,centrTag,centrBin);
  TH1D * h = new TH1D(name, name, nbinsTempl, templBins);
  return h;

}

void AliOADBPWG2Spectra::Browse(TBrowser *b)
{
  // Browse this object.
   // If b=0, there is no Browse call TObject::Browse(0) instead.
   //         This means TObject::Inspect() will be invoked indirectly


  if (b) {
    b->Add(fHistos);        
  }     
   else
      TObject::Browse(b);
}

TH1D * AliOADBPWG2Spectra::GetHistoStandardBinning(const TH1D* h, EPWG2SpectraDetector det, EPWG2SpectraPIDType pidType, EPWG2SpectraParticle part, 
						   EPWG2SpectraCharge charge, const char * centrTag, Int_t centrBin) {
  // Returns a histo with the standard binning and the same content of h
  // if the bins of h are not a subset of the standard binning, it crashes with a fatal error
  // under and overflows are ignored
  
  // 1. Create a histogram with the standard binning
  TH1D * hStd = BookHisto(det,  pidType,  part, charge, centrTag, centrBin);
  Int_t nBinsH1=hStd->GetNbinsX();
  Int_t nBinsH2=h->GetNbinsX();
  // Loop over standard bins, 
  for(Int_t iBin=1; iBin<=nBinsH1; iBin++){
    Float_t lowPtH1 =hStd->GetBinLowEdge(iBin);
    Float_t binWidH1=hStd->GetBinWidth(iBin);
    // Loop over H2 bins and find overlapping bins to H1
    for(Int_t jBin=1; jBin<=nBinsH2; jBin++){
      Float_t lowPtH2=h->GetBinLowEdge(jBin);
      Float_t binWidH2=h->GetBinWidth(jBin);
      if(TMath::Abs(lowPtH1-lowPtH2)<0.001 && TMath::Abs(binWidH2-binWidH1)<0.001){
	hStd->SetBinContent(jBin, h->GetBinContent(iBin));
	hStd->SetBinError  (jBin, h->GetBinError  (iBin));
	break;
      }
      if(TMath::Abs(lowPtH1-lowPtH2)<0.001){
	AliFatal(Form("Found partially overlapping bins! [(%f,%f)(%f,%f)]",lowPtH1,binWidH1,lowPtH2,binWidH2));
      }
    }
  }
  return hStd;
}

Bool_t AliOADBPWG2Spectra::CompareBinning(TH1 * h1, TH1 * h2) {

  // returns true if h1 and h2 have the same binning
  Int_t nbins1 = h1->GetNbinsX();
  Int_t nbins2 = h2->GetNbinsX();
  
  if(nbins1 != nbins2) return kFALSE;
  
  for(Int_t ibin = 1; ibin <= nbins1; ibin++){
    if(TMath::Abs(h1->GetBinLowEdge(ibin) - h2->GetBinLowEdge(ibin))<0.001) return kFALSE;
    if(TMath::Abs(h1->GetBinWidth(ibin) - h2->GetBinWidth(ibin))<0.001) return kFALSE;
  }
  
  return kTRUE;
}
Commit	Line	Data
e678600d	1	#include "AliOADBPWG2Spectra.h"
	2	#include "TNamed.h"
	3	#include "TString.h"
	4	#include "TH1D.h"
	5	#include "TObject.h"
	6	#include "TList.h"
	7	#include "AliAnalysisManager.h"
	8	#include "TBrowser.h"
	9	#include "AliLog.h"
	10
	11	ClassImp(AliOADBPWG2Spectra)
	12
68037533	13	const char * AliOADBPWG2Spectra::fDetectorNames[] = {"ITS", "ITSTPC", "TPC", "TOF", "TOFTPC", "Dummy", "Dummy"};
e678600d	14	const char * AliOADBPWG2Spectra::fPidTypeNames[] = {"GaussFit", "NSigma", "Bayes", "Kinks"};
	15	const char * AliOADBPWG2Spectra::fChargeTags[] = {"Pos", "Neg"};
	16	const char * AliOADBPWG2Spectra::fParticleNames[] = {"Pion", "Kaon", "Proton"};
	17
	18
	19	AliOADBPWG2Spectra::AliOADBPWG2Spectra():
	20	TNamed("Dummy", "OADB Object for PWG2 Spectra" ), fHistos(0)
	21	{
	22	// ctor
	23
	24
	25
	26	}
	27	AliOADBPWG2Spectra::AliOADBPWG2Spectra(char* name) :
	28	TNamed(name, "OADB Object for PWG2 Spectra" ), fHistos(0)
	29
	30	{
	31	// ctor
	32	// name is appended to all histos (e.g. "Corrected")
	33
	34	Init();
	35
	36	}
	37
	38	AliOADBPWG2Spectra::~AliOADBPWG2Spectra() {
	39	// dtor
	40	if(fHistos) delete fHistos;
	41	}
	42
	43	void AliOADBPWG2Spectra::Init() {
	44	fHistos = new TList();
	45	}
	46
	47
	48	const char * AliOADBPWG2Spectra::GetOADBPWG2SpectraFileName() {
	49	// get file name to the OADB
	50	static TString filename;
	51	filename.Form("%s/PWG2/SPECTRA/spectraResults.root", AliAnalysisManager::GetOADBPath());
	52	return filename.Data();
	53
	54	}
	55	const char * AliOADBPWG2Spectra::GetHistoName(EPWG2SpectraDetector det, EPWG2SpectraPIDType pidType, EPWG2SpectraParticle part,
	56	EPWG2SpectraCharge charge, const char * centrTag, Int_t centrBin) {
	57
	58	// Returns histogram name
	59	// h[Name]_[Detector(s)]_[PIDType]_[Particle]_[Pos\|Neg]_[MultiplicityOrCentralityIndex]
	60	// where "name" is the name of this container
	61
68037533	62
e678600d	63	static TString histoName;
	64	if (centrTag)
	65	histoName.Form("h%s_%s_%s_%s_%s_%s_%d", GetName(), fDetectorNames[det], fPidTypeNames[pidType], fParticleNames[part], fChargeTags[charge], centrTag, centrBin);
	66	else
	67	histoName.Form("h%s_%s_%s_%s_%s", GetName(), fDetectorNames[det], fPidTypeNames[pidType], fParticleNames[part], fChargeTags[charge]);
	68
	69	return histoName.Data();
	70	}
	71
	72	TH1D * AliOADBPWG2Spectra::GetHisto(EPWG2SpectraDetector det, EPWG2SpectraPIDType pidType, EPWG2SpectraParticle part,
	73	EPWG2SpectraCharge charge, const char * centrTag, Int_t centrBin){
	74
	75	// Get an histogram from the list
	76	const char * name = GetHistoName(det,pidType,part,charge,centrTag,centrBin);
	77	TH1D * h = (TH1D*) fHistos->FindObject(name);
	78	return h;
	79
	80	}
	81
	82	void AliOADBPWG2Spectra::AddHisto(TH1D * h, EPWG2SpectraDetector det, EPWG2SpectraPIDType pidType, EPWG2SpectraParticle part,
	83	EPWG2SpectraCharge charge, const char * centrTag, Int_t centrBin) {
	84	// Add a histogram to the list
68037533	85	// Rename and rebinn it if necessary
	86
	87	if(!h) {
	88	AliWarning("Empty pointer to histogram");
	89	return;
	90	}
	91
e678600d	92	const char * name = GetHistoName(det,pidType,part,charge,centrTag,centrBin);
68037533	93	static TH1D * htest = BookHisto(kDetDummy, kGaussFit,kPion, kPos);
	94	if(!CompareBinning(h,htest)){
	95	AliWarning("Histo have different binning! Rebinning to standard"){
	96	h = GetHistoStandardBinning(h,det,pidType,part,charge,centrTag,centrBin);
	97	}
	98	}
e678600d	99	TH1D * hold = (TH1D*) fHistos->FindObject(name);
	100	if (hold) fHistos->Remove(hold);
	101	delete hold;
	102	if(strcmp(h->GetName(),name)){
	103	AliError(Form("Histogram namws are not consinstent %s-%s, resetting", h->GetName(),name));
	104	h->SetName(name);
	105	}
	106	fHistos->Add(h);
	107
	108
	109	}
	110
	111	TH1D * AliOADBPWG2Spectra::BookHisto(EPWG2SpectraDetector det, EPWG2SpectraPIDType pidType, EPWG2SpectraParticle part,
	112	EPWG2SpectraCharge charge, const char * centrTag, Int_t centrBin) {
	113
	114	// book a histogram according to the template. All the histograms
	115	// should have the same binning (if possible/reasonable) to
	116	// facilitate the compoarison and the combination
	117
dcfbfe28	118	const Float_t templBins[] = {0.05,0.1,0.12,0.14,0.16,0.18,0.20,0.25,0.30,0.35,0.4,0.45,0.5,0.55,0.6,0.65,0.7,0.75,0.8,0.85,0.9,0.95,1.0,1.1,1.2,1.3,1.4,1.5,1.6,1.7,1.8,2,2.2,2.4,2.6, 2.7, 2.8, 2.9, 3.0, 3.2, 3.4, 3.6, 3.8, 4.0, 4.2, 4.4, 4.6, 4.8, 5.0};
dcfbfe28	119	Int_t nbinsTempl=48;
e678600d	120	const char * name = GetHistoName(det,pidType,part,charge,centrTag,centrBin);
	121	TH1D * h = new TH1D(name, name, nbinsTempl, templBins);
	122	return h;
	123
	124	}
	125
	126	void AliOADBPWG2Spectra::Browse(TBrowser *b)
	127	{
	128	// Browse this object.
	129	// If b=0, there is no Browse call TObject::Browse(0) instead.
	130	// This means TObject::Inspect() will be invoked indirectly
	131
	132
	133	if (b) {
	134	b->Add(fHistos);
	135	}
	136	else
	137	TObject::Browse(b);
	138	}
68037533	139
	140	TH1D * AliOADBPWG2Spectra::GetHistoStandardBinning(const TH1D* h, EPWG2SpectraDetector det, EPWG2SpectraPIDType pidType, EPWG2SpectraParticle part,
	141	EPWG2SpectraCharge charge, const char * centrTag, Int_t centrBin) {
	142	// Returns a histo with the standard binning and the same content of h
	143	// if the bins of h are not a subset of the standard binning, it crashes with a fatal error
	144	// under and overflows are ignored
	145
	146	// 1. Create a histogram with the standard binning
	147	TH1D * hStd = BookHisto(det, pidType, part, charge, centrTag, centrBin);
	148	Int_t nBinsH1=hStd->GetNbinsX();
	149	Int_t nBinsH2=h->GetNbinsX();
	150	// Loop over standard bins,
	151	for(Int_t iBin=1; iBin<=nBinsH1; iBin++){
	152	Float_t lowPtH1 =hStd->GetBinLowEdge(iBin);
	153	Float_t binWidH1=hStd->GetBinWidth(iBin);
	154	// Loop over H2 bins and find overlapping bins to H1
	155	for(Int_t jBin=1; jBin<=nBinsH2; jBin++){
	156	Float_t lowPtH2=h->GetBinLowEdge(jBin);
	157	Float_t binWidH2=h->GetBinWidth(jBin);
	158	if(TMath::Abs(lowPtH1-lowPtH2)<0.001 && TMath::Abs(binWidH2-binWidH1)<0.001){
	159	hStd->SetBinContent(jBin, h->GetBinContent(iBin));
	160	hStd->SetBinError (jBin, h->GetBinError (iBin));
	161	break;
	162	}
	163	if(TMath::Abs(lowPtH1-lowPtH2)<0.001){
	164	AliFatal(Form("Found partially overlapping bins! [(%f,%f)(%f,%f)]",lowPtH1,binWidH1,lowPtH2,binWidH2));
	165	}
	166	}
	167	}
	168	return hStd;
	169	}
	170
	171	Bool_t AliOADBPWG2Spectra::CompareBinning(TH1 * h1, TH1 * h2) {
	172
	173	// returns true if h1 and h2 have the same binning
	174	Int_t nbins1 = h1->GetNbinsX();
	175	Int_t nbins2 = h2->GetNbinsX();
	176
	177	if(nbins1 != nbins2) return kFALSE;
	178
	179	for(Int_t ibin = 1; ibin <= nbins1; ibin++){
	180	if(TMath::Abs(h1->GetBinLowEdge(ibin) - h2->GetBinLowEdge(ibin))<0.001) return kFALSE;
	181	if(TMath::Abs(h1->GetBinWidth(ibin) - h2->GetBinWidth(ibin))<0.001) return kFALSE;
	182	}
	183
	184	return kTRUE;
	185	}