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563113d0 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | ||
16 | // The class AliCFTrackIsPrimaryCut is designed to select reconstructed tracks | |
17 | // with a small impact parameter and tracks which are (not) daughters of kink | |
18 | // decays and to provide corresponding QA histograms. | |
19 | // This class inherits from the Analysis' Framework abstract base class | |
20 | // AliAnalysisCuts and is a part of the Correction Framework. | |
21 | // This class acts on single, reconstructed tracks, it is applicable on | |
22 | // ESD and AOD data. | |
23 | // It mainly consists of a IsSelected function that returns a boolean. | |
24 | // This function checks whether the considered track passes a set of cuts: | |
25 | // - distance to main vertex in units of sigma (resolution) | |
26 | // - require that the dca calculation doesn't fail | |
27 | // - accept or not accept daughter tracks of kink decays | |
28 | // | |
29 | // The cut values for these cuts are set with the corresponding set functions. | |
30 | // All cut classes provided by the correction framework are supposed to be | |
31 | // added in the Analysis Framwork's class AliAnalysisFilter and applied by | |
32 | // the filter via a loop. | |
33 | // | |
34 | // author: I. Kraus (Ingrid.Kraus@cern.ch) | |
35 | // idea taken form | |
36 | // AliESDtrackCuts writte by Jan Fiete Grosse-Oetringhaus and | |
37 | // AliRsnDaughterCut class written by A. Pulvirenti. | |
38 | ||
39 | #ifndef ALICFTRACKISPRIMARYCUTS_H | |
40 | #define ALICFTRACKISPRIMARYCUTS_H | |
41 | ||
42 | #include "AliCFCutBase.h" | |
8edd0c2c | 43 | #include "AliAODTrack.h" |
045e6d86 | 44 | #include <TH2.h> |
563113d0 | 45 | class TBits; |
563113d0 | 46 | class AliESDtrack ; |
47 | ||
48 | class AliCFTrackIsPrimaryCuts : public AliCFCutBase | |
49 | { | |
50 | public : | |
51 | AliCFTrackIsPrimaryCuts() ; | |
52 | AliCFTrackIsPrimaryCuts(Char_t* name, Char_t* title) ; | |
53 | AliCFTrackIsPrimaryCuts(const AliCFTrackIsPrimaryCuts& c) ; | |
54 | AliCFTrackIsPrimaryCuts& operator=(const AliCFTrackIsPrimaryCuts& c) ; | |
55 | ~AliCFTrackIsPrimaryCuts(); | |
56 | void Copy(TObject &c) const; | |
57 | ||
563113d0 | 58 | Bool_t IsSelected(TObject* obj); |
264ebaac | 59 | Bool_t IsSelected(TList* /*list*/) {return kTRUE;} |
8edd0c2c | 60 | void GetSigmaToVertex(AliESDtrack* esdTrack); // calculates nSigma to PV for an AliESDtrack |
563113d0 | 61 | |
62 | // cut value setter | |
cced7196 | 63 | void SetMaxNSigmaToVertex(Double_t sigma=1.e+03) {fNSigmaToVertexMax = sigma;} |
64 | void SetRequireSigmaToVertex(Bool_t b=kFALSE) {fRequireSigmaToVertex=b;} | |
563113d0 | 65 | void SetAcceptKinkDaughters(Bool_t b=kTRUE) {fAcceptKinkDaughters=b;} |
8edd0c2c | 66 | void SetAODType(Char_t type=AliAODTrack::kUndef) {fAODType = type;} |
563113d0 | 67 | |
68 | // QA histograms | |
563113d0 | 69 | void DrawHistograms(); |
70 | void SaveHistograms(const Char_t* dir = 0); | |
107a3100 | 71 | void AddQAHistograms(TList *qaList); |
563113d0 | 72 | // QA histogram setter |
73 | // please use indices from the enumeration below | |
74 | void SetHistogramBins(Int_t index, Int_t nbins, Double_t *bins); | |
75 | void SetHistogramBins(Int_t index, Int_t nbins, Double_t xmin, Double_t xmax); | |
76 | ||
77 | // indeces/counters for single selections | |
78 | enum { | |
79 | kCutNSigmaToVertex=0, // tracks's distance to main vertex in units of sigma | |
80 | kCutRequireSigmaToVertex, // calculation is successful | |
81 | kCutAcceptKinkDaughters, // do (not) accept secondaries | |
82 | kDcaXY, // controll histogram: dca in xy plane | |
83 | kDcaZ, // controll histogram: dca along z axis | |
84 | kDcaXYnorm, // controll histogram: normalised dca in xy plane | |
85 | kDcaZnorm, // controll histogram: normalised dca along z axis | |
8edd0c2c | 86 | kCutAODType, // cut on AliAODTrack::fType |
87 | kNCuts=4, // number of single selections | |
563113d0 | 88 | kNStepQA=2, // number of QA steps (before/after the cuts) |
89 | kNHist=7 // number of QA histograms | |
90 | }; | |
91 | ||
92 | private: | |
107a3100 | 93 | void SelectionBitMap(TObject* obj); |
563113d0 | 94 | void DefineHistograms(); // books histograms and TList |
95 | void Initialise(); // sets everything to 0 | |
96 | void FillHistograms(TObject* obj, Bool_t b); | |
97 | // Fills histograms before and after cuts | |
107a3100 | 98 | Double_t fNSigmaToVertex; // track distance to main vertex in units of sigma |
99 | Double_t fNSigmaToVertexMax; // cut value: max distance to main vertex in units of sigma | |
8edd0c2c | 100 | Bool_t fRequireSigmaToVertex; // require calculable distance to main vertex |
101 | Char_t fAODType; // type of AOD track (undef, primary, secondary, orphan) | |
102 | // applicable at AOD level only ! | |
563113d0 | 103 | |
104 | TH2F* fhDcaXYvsDcaZ[2]; // Histogram: dca xy vs. z | |
105 | TH2F* fhDcaXYvsDcaZnorm[2]; // Histogram: (dca xy / sigma xy) vs. (dca z / simga z) | |
106 | Bool_t fAcceptKinkDaughters; // accepting kink daughters | |
107 | ||
045e6d86 | 108 | TH1F* fhCutStatistics; // Histogram: statistics of what cuts the tracks did not survive |
109 | TH2F* fhCutCorrelation; // Histogram: 2d statistics plot | |
563113d0 | 110 | |
111 | TH1F* fhQA[kNHist][kNStepQA]; // QA Histograms | |
045e6d86 | 112 | TBits *fBitmap ; // stores single selection decisions |
563113d0 | 113 | |
114 | // QA histogram setters | |
db6722a5 | 115 | Int_t fhNBinsNSigma; // number of bins+1: dca in units of sigma |
116 | Int_t fhNBinsRequireSigma; // number of bins+1: require successful calcuation | |
117 | Int_t fhNBinsAcceptKink; // number of bins+1: acceptkink daughters | |
118 | Int_t fhNBinsDcaXY; // number of bins+1: dca in transverse plane | |
119 | Int_t fhNBinsDcaZ; // number of bins+1: dca along beam axis | |
120 | Int_t fhNBinsDcaXYnorm; // number of bins+1: normalised dca in transverse plane | |
121 | Int_t fhNBinsDcaZnorm; // number of bins+1: normalised dca along beam axis | |
045e6d86 | 122 | |
123 | Double_t *fhBinLimNSigma; //[fhNBinsNSigma] bin limits: dca in units of sigma | |
124 | Double_t *fhBinLimRequireSigma;//[fhNBinsRequireSigma] bin limits: require successful calcuation | |
125 | Double_t *fhBinLimAcceptKink;//[fhNBinsAcceptKink] bin limits: acceptkink daughters | |
126 | Double_t *fhBinLimDcaXY;//[fhNBinsDcaXY] bin limits: dca in transverse plane | |
127 | Double_t *fhBinLimDcaZ; //[fhNBinsDcaZ] bin limits: dca along beam axis | |
128 | Double_t *fhBinLimDcaXYnorm; //[fhNBinsDcaXYnorm] bin limits: normalised dca in transverse plane | |
129 | Double_t *fhBinLimDcaZnorm;//[fhNBinsDcaZnorm] bin limits: normalised dca along beam axis | |
130 | ||
8edd0c2c | 131 | ClassDef(AliCFTrackIsPrimaryCuts,3); |
563113d0 | 132 | }; |
133 | ||
134 | #endif |