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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 | ||
13 | const char * AliOADBPWG2Spectra::fDetectorNames[] = {"ITS", "ITSTPC", "TPC", "TOF", "TOFTPC", "Dummy", "Dummy"}; | |
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 | ||
62 | ||
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 | |
85 | // Rename and rebinn it if necessary | |
86 | ||
87 | if(!h) { | |
88 | AliWarning("Empty pointer to histogram"); | |
89 | return; | |
90 | } | |
91 | ||
92 | const char * name = GetHistoName(det,pidType,part,charge,centrTag,centrBin); | |
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 | } | |
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 | ||
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}; | |
119 | Int_t nbinsTempl=48; | |
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 | } | |
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 | } |