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672b5f43 | 1 | #ifndef ALIESDMUONTRACK_H |
2 | #define ALIESDMUONTRACK_H | |
3 | ||
af7ba10c | 4 | /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * |
d5efea33 | 5 | * See cxx source for full Copyright notice */ |
af7ba10c | 6 | |
7 | /* $Id$ */ | |
8 | ||
67c201be | 9 | /// \class AliESDMuonTrack |
10 | /// \brief Class to describe the MUON tracks in the Event Summary Data class | |
af7ba10c | 11 | // Author: G.Martinez |
12 | ||
13 | ||
ad85871a | 14 | #include <TMath.h> |
60765b06 | 15 | #include <TMatrixD.h> |
16 | #include <TDatabasePDG.h> | |
ad85871a | 17 | |
18 | #include "AliVParticle.h" | |
672b5f43 | 19 | |
d5efea33 | 20 | class AliESDMuonCluster; |
daf100e1 | 21 | class AliESDEvent; |
d5efea33 | 22 | class TClonesArray; |
39b8d0dd | 23 | class TLorentzVector; |
24 | ||
ad85871a | 25 | class AliESDMuonTrack : public AliVParticle { |
5ec1b3bc | 26 | public: |
90e48c0c | 27 | AliESDMuonTrack(); //Constructor |
d5efea33 | 28 | virtual ~AliESDMuonTrack(); // Destructor |
af7ba10c | 29 | AliESDMuonTrack(const AliESDMuonTrack& esdm); |
30 | AliESDMuonTrack& operator=(const AliESDMuonTrack& esdm); | |
732a24fe | 31 | virtual void Copy(TObject &obj) const; |
5ec1b3bc | 32 | |
4c510ac5 | 33 | virtual void Clear(Option_t* opt = ""); |
34 | ||
12186235 | 35 | void Reset(); |
36 | ||
37 | // Return kTRUE if the track contain tracker data | |
38 | Bool_t ContainTrackerData() const {return (fMuonClusterMap>0) ? kTRUE : kFALSE;} | |
39 | // Return kTRUE if the track contain trigger data | |
40 | Bool_t ContainTriggerData() const {return (LoCircuit()>0) ? kTRUE : kFALSE;} | |
41 | ||
d5efea33 | 42 | // Get and Set methods for data at vertex |
5ec1b3bc | 43 | Double_t GetInverseBendingMomentum(void) const {return fInverseBendingMomentum;} |
39b8d0dd | 44 | void SetInverseBendingMomentum(Double_t InverseBendingMomentum) |
45 | {fInverseBendingMomentum = InverseBendingMomentum;} | |
5ec1b3bc | 46 | Double_t GetThetaX(void) const {return fThetaX;} |
39b8d0dd | 47 | void SetThetaX(Double_t ThetaX) {fThetaX = ThetaX;} |
5ec1b3bc | 48 | Double_t GetThetaY(void) const {return fThetaY;} |
39b8d0dd | 49 | void SetThetaY(Double_t ThetaY) {fThetaY = ThetaY;} |
5ec1b3bc | 50 | Double_t GetZ(void) const {return fZ;} |
39b8d0dd | 51 | void SetZ(Double_t Z) {fZ = Z;} |
5ec1b3bc | 52 | Double_t GetBendingCoor(void) const {return fBendingCoor;} |
39b8d0dd | 53 | void SetBendingCoor(Double_t BendingCoor) {fBendingCoor = BendingCoor;} |
5ec1b3bc | 54 | Double_t GetNonBendingCoor(void) const {return fNonBendingCoor;} |
39b8d0dd | 55 | void SetNonBendingCoor(Double_t NonBendingCoor) {fNonBendingCoor = NonBendingCoor;} |
56 | ||
d5efea33 | 57 | // Get and Set methods for data at Distance of Closest Approach in the vertex plane |
58 | Double_t GetInverseBendingMomentumAtDCA(void) const {return fInverseBendingMomentumAtDCA;} | |
59 | void SetInverseBendingMomentumAtDCA(Double_t InverseBendingMomentum) | |
60 | {fInverseBendingMomentumAtDCA = InverseBendingMomentum;} | |
61 | Double_t GetThetaXAtDCA(void) const {return fThetaXAtDCA;} | |
62 | void SetThetaXAtDCA(Double_t ThetaX) {fThetaXAtDCA = ThetaX;} | |
63 | Double_t GetThetaYAtDCA(void) const {return fThetaYAtDCA;} | |
64 | void SetThetaYAtDCA(Double_t ThetaY) {fThetaYAtDCA = ThetaY;} | |
65 | Double_t GetBendingCoorAtDCA(void) const {return fBendingCoorAtDCA;} | |
66 | void SetBendingCoorAtDCA(Double_t BendingCoor) {fBendingCoorAtDCA = BendingCoor;} | |
67 | Double_t GetNonBendingCoorAtDCA(void) const {return fNonBendingCoorAtDCA;} | |
68 | void SetNonBendingCoorAtDCA(Double_t NonBendingCoor) {fNonBendingCoorAtDCA = NonBendingCoor;} | |
69 | Double_t GetDCA(void) const {return TMath::Sqrt(fNonBendingCoorAtDCA*fNonBendingCoorAtDCA + | |
70 | fBendingCoorAtDCA*fBendingCoorAtDCA);} | |
71 | ||
72 | // Get and Set methods for data at first station | |
39b8d0dd | 73 | Double_t GetInverseBendingMomentumUncorrected(void) const {return fInverseBendingMomentumUncorrected;} |
74 | void SetInverseBendingMomentumUncorrected(Double_t InverseBendingMomentum) | |
75 | {fInverseBendingMomentumUncorrected = InverseBendingMomentum;} | |
76 | Double_t GetThetaXUncorrected(void) const {return fThetaXUncorrected;} | |
77 | void SetThetaXUncorrected(Double_t ThetaX) {fThetaXUncorrected = ThetaX;} | |
78 | Double_t GetThetaYUncorrected(void) const {return fThetaYUncorrected;} | |
79 | void SetThetaYUncorrected(Double_t ThetaY) {fThetaYUncorrected = ThetaY;} | |
80 | Double_t GetZUncorrected(void) const {return fZUncorrected;} | |
81 | void SetZUncorrected(Double_t Z) {fZUncorrected = Z;} | |
82 | Double_t GetBendingCoorUncorrected(void) const {return fBendingCoorUncorrected;} | |
83 | void SetBendingCoorUncorrected(Double_t BendingCoor) {fBendingCoorUncorrected = BendingCoor;} | |
84 | Double_t GetNonBendingCoorUncorrected(void) const {return fNonBendingCoorUncorrected;} | |
85 | void SetNonBendingCoorUncorrected(Double_t NonBendingCoor) {fNonBendingCoorUncorrected = NonBendingCoor;} | |
d5efea33 | 86 | |
87 | // Get and Set methods for covariance matrix of data at first station | |
60765b06 | 88 | void GetCovariances(TMatrixD& cov) const; |
89 | void SetCovariances(const TMatrixD& cov); | |
90 | void GetCovarianceXYZPxPyPz(Double_t cov[21]) const; | |
d5efea33 | 91 | |
92 | // Get and Set methods for global tracking info | |
5ec1b3bc | 93 | Double_t GetChi2(void) const {return fChi2;} |
39b8d0dd | 94 | void SetChi2(Double_t Chi2) {fChi2 = Chi2;} |
4f036e6e | 95 | UChar_t GetNHit(void) const {return fNHit;} |
39b8d0dd | 96 | void SetNHit(UInt_t NHit) {fNHit = NHit;} |
d5efea33 | 97 | |
98 | // Get and Set methods for trigger matching | |
423b32ca | 99 | Int_t GetMatchTrigger() const; |
2200238e | 100 | Bool_t MatchTriggerDigits() const; |
8252d536 | 101 | Double_t GetChi2MatchTrigger() const {return fChi2MatchTrigger;} |
39b8d0dd | 102 | void SetChi2MatchTrigger(Double_t Chi2MatchTrigger) {fChi2MatchTrigger = Chi2MatchTrigger;} |
fbc3395d | 103 | UShort_t GetHitsPatternInTrigCh() const {return fHitsPatternInTrigCh;} |
104 | void SetHitsPatternInTrigCh(UShort_t hitsPatternInTrigCh) {fHitsPatternInTrigCh = hitsPatternInTrigCh;} | |
423b32ca | 105 | void SetLocalTrigger(Int_t locTrig) { fLocalTrigger = locTrig; } |
01413742 | 106 | Int_t LoCircuit(void) const { return fLocalTrigger & 0xFF; } |
423b32ca | 107 | Int_t LoStripX(void) const { return fLocalTrigger >> 8 & 0x1F; } |
108 | Int_t LoStripY(void) const { return fLocalTrigger >> 13 & 0x0F; } | |
109 | Int_t LoDev(void) const { return fLocalTrigger >> 17 & 0x1F; } | |
110 | Int_t LoLpt(void) const { return fLocalTrigger >> 22 & 0x03; } | |
111 | Int_t LoHpt(void) const { return fLocalTrigger >> 24 & 0x03; } | |
90a0fc16 | 112 | Int_t GetTriggerWithoutChamber(void) const { return fLocalTrigger >> 26 & 0xF; } |
113 | Bool_t TriggerFiredWithoutChamber(Int_t ich) const { return GetTriggerWithoutChamber() >> (3 - ich) & 0x1; } | |
67c201be | 114 | |
9dea53d8 | 115 | // Get and Set methods for the hit strips pattern in the trigger chambers |
12186235 | 116 | UShort_t GetTriggerX1Pattern() const { return fX1Pattern; } |
117 | UShort_t GetTriggerY1Pattern() const { return fY1Pattern; } | |
118 | UShort_t GetTriggerX2Pattern() const { return fX2Pattern; } | |
119 | UShort_t GetTriggerY2Pattern() const { return fY2Pattern; } | |
120 | UShort_t GetTriggerX3Pattern() const { return fX3Pattern; } | |
121 | UShort_t GetTriggerY3Pattern() const { return fY3Pattern; } | |
122 | UShort_t GetTriggerX4Pattern() const { return fX4Pattern; } | |
123 | UShort_t GetTriggerY4Pattern() const { return fY4Pattern; } | |
9dea53d8 | 124 | void SetTriggerX1Pattern(UShort_t pat) { fX1Pattern = pat; } |
125 | void SetTriggerY1Pattern(UShort_t pat) { fY1Pattern = pat; } | |
126 | void SetTriggerX2Pattern(UShort_t pat) { fX2Pattern = pat; } | |
127 | void SetTriggerY2Pattern(UShort_t pat) { fY2Pattern = pat; } | |
128 | void SetTriggerX3Pattern(UShort_t pat) { fX3Pattern = pat; } | |
129 | void SetTriggerY3Pattern(UShort_t pat) { fY3Pattern = pat; } | |
130 | void SetTriggerX4Pattern(UShort_t pat) { fX4Pattern = pat; } | |
131 | void SetTriggerY4Pattern(UShort_t pat) { fY4Pattern = pat; } | |
132 | ||
d5efea33 | 133 | // Get and Set methods for muon cluster map |
60765b06 | 134 | UInt_t GetMuonClusterMap() const {return fMuonClusterMap;} |
135 | void SetMuonClusterMap(UInt_t muonClusterMap) {fMuonClusterMap = muonClusterMap;} | |
12186235 | 136 | void AddInMuonClusterMap(Int_t chamber) {fMuonClusterMap |= BIT(chamber);} |
137 | Bool_t IsInMuonClusterMap(Int_t chamber) const {return (Bool_t) ((fMuonClusterMap & BIT(chamber)) != 0);} | |
60765b06 | 138 | |
5c15a68b | 139 | // Identify the tracks sharing cluster(s) with another (use the last bit of fMuonClusterMap) |
140 | void Connected(Bool_t flag = kTRUE) {flag ? SETBIT(fMuonClusterMap,31) : CLRBIT(fMuonClusterMap,31);} | |
141 | Bool_t IsConnected() const {return TESTBIT(fMuonClusterMap,31);} | |
142 | ||
d5efea33 | 143 | // Methods to get, fill and check the array of associated clusters |
4c510ac5 | 144 | Int_t GetNClusters() const; |
d5efea33 | 145 | TClonesArray& GetClusters() const; |
146 | void AddCluster(const AliESDMuonCluster &cluster); | |
147 | Bool_t ClustersStored() const; | |
148 | ||
149 | // Methods to compute track momentum | |
39b8d0dd | 150 | Double_t Px() const; |
151 | Double_t Py() const; | |
152 | Double_t Pz() const; | |
153 | Double_t P() const; | |
c683ddc2 | 154 | Bool_t PxPyPz(Double_t p[3]) const { p[0] = Px(); p[1] = Py(); p[2] = Pz(); return kTRUE; } |
39b8d0dd | 155 | void LorentzP(TLorentzVector& vP) const; |
d5efea33 | 156 | Double_t PxAtDCA() const; |
157 | Double_t PyAtDCA() const; | |
158 | Double_t PzAtDCA() const; | |
159 | Double_t PAtDCA() const; | |
160 | Bool_t PxPyPzAtDCA(Double_t p[3]) const { p[0] = Px(); p[1] = Py(); p[2] = Pz(); return kTRUE; } | |
161 | void LorentzPAtDCA(TLorentzVector& vP) const; | |
39b8d0dd | 162 | Double_t PxUncorrected() const; |
163 | Double_t PyUncorrected() const; | |
164 | Double_t PzUncorrected() const; | |
165 | Double_t PUncorrected() const; | |
d5efea33 | 166 | Bool_t PxPyPzUncorrected(Double_t p[3]) const { p[0] = Px(); p[1] = Py(); p[2] = Pz(); return kTRUE; } |
39b8d0dd | 167 | void LorentzPUncorrected(TLorentzVector& vP) const; |
168 | ||
ad85871a | 169 | // additional methods to comply with AliVParticle |
c683ddc2 | 170 | Double_t Xv() const {return -999.;} // put reasonable values here |
171 | Double_t Yv() const {return -999.;} // | |
172 | Double_t Zv() const {return -999.;} // | |
173 | Bool_t XvYvZv(Double_t x[3]) const { x[0] = Xv(); x[1] = Yv(); x[2] = Zv(); return kTRUE; } | |
ad85871a | 174 | Double_t Pt() const { return TMath::Sqrt(Px()*Px() + Py()*Py()); } |
4c510ac5 | 175 | Double_t OneOverPt() const { return (Pt() != 0.) ? 1./Pt() : FLT_MAX; } |
ccc7dc72 | 176 | Double_t Phi() const { return TMath::Pi()+TMath::ATan2(-Py(), -Px()); } |
ad85871a | 177 | Double_t Theta() const { return TMath::ATan2(Pt(), Pz()); } |
60765b06 | 178 | Double_t E() const { return TMath::Sqrt(M()*M() + P()*P()); } |
179 | Double_t M() const { return TDatabasePDG::Instance()->GetParticle("mu-")->Mass(); } | |
ad85871a | 180 | Double_t Eta() const { return -TMath::Log(TMath::Tan(0.5 * Theta()));} |
4c510ac5 | 181 | Double_t Y() const { return (Pz()/E() != 1.) ? TMath::ATanH(Pz()/E()) : FLT_MAX; } |
60765b06 | 182 | Short_t Charge() const { return (Short_t)TMath::Sign(1., GetInverseBendingMomentum()); } |
6a8e543a | 183 | |
184 | ||
185 | // Dummy | |
ad85871a | 186 | const Double_t *PID() const { return (Double_t*)0x0; } |
6a8e543a | 187 | Int_t PdgCode() const {return 0;} |
2e2d0c44 | 188 | |
189 | /// Set the corresponding MC track number | |
190 | void SetLabel(Int_t label) {fLabel = label;} | |
191 | /// Return the corresponding MC track number | |
192 | Int_t GetLabel() const {return fLabel;} | |
67c201be | 193 | |
194 | /// Additional methods to decode hit pattern | |
195 | /// The hit pattern is a UShort_t with: | |
196 | /// <pre> | |
197 | /// 0 | 1 0 0 0 1 | 1 1 | 1 1 0 1 | 1 1 0 1 | |
198 | /// | | | | | |
199 | /// unused | RPC (0-17) | flag | Bend plane | Non-bend plane | |
200 | /// | or | | Match chamber | Match chamber | |
201 | /// | further info | | 11 12 13 14 | 11 12 13 14 | |
202 | /// | (20-24) | | | | |
203 | /// </pre> | |
204 | enum EAliTriggerChPatternFlag { | |
205 | kNoEff, ///< Track is not good for chamber efficiency evaluation | |
206 | kChEff, ///< Track crosses different RPCs | |
207 | kSlatEff, ///< Track crosses the same RPC in all planes | |
208 | kBoardEff ///< Track crosses the same board in all planes | |
209 | }; | |
210 | enum EAliTriggerChPatternInfo { | |
211 | kCrossDifferentSlats = 20, ///< The RPC cannot be univoquely determined | |
212 | kTrackMatchesManyPads = 21, ///< Track not good for effciency calculation since it matches many pads | |
213 | kTrackMatchesFewPads = 22, ///< Track not good for effciency calculation since it matches pads in less than 3/4 chambers | |
214 | kTrackOutsideGeometry = 23, ///< Problems in pattern determination since track extrapolation is outside trigger chambers | |
215 | kTrackerTrackPattern = 24 ///< The pattern was calculated from a tracker track not matching trigger track | |
216 | }; | |
217 | /// Set hits pattern | |
218 | static void SetFiredChamber(UShort_t& pattern, Int_t cathode, Int_t chamber); | |
219 | /// Add efficiency flag and crossed RPC or info on rejected track | |
220 | static void AddEffInfo(UShort_t& pattern, Int_t slatOrInfo, EAliTriggerChPatternFlag effType = kNoEff); | |
221 | /// Chamber was hit | |
222 | static Bool_t IsChamberHit(UShort_t pattern, Int_t cathode, Int_t chamber); | |
223 | /// Get Efficiency flag | |
224 | static Int_t GetEffFlag(UShort_t pattern); | |
225 | /// Getting crossed slat or info | |
226 | static Int_t GetSlatOrInfo(UShort_t pattern); | |
227 | ||
daf100e1 | 228 | AliESDEvent* GetESDEvent() const {return fESDEvent;} |
229 | void SetESDEvent(AliESDEvent* evt) {fESDEvent = evt;} | |
39b8d0dd | 230 | |
5ec1b3bc | 231 | protected: |
d5efea33 | 232 | // parameters at vertex |
60765b06 | 233 | Double32_t fInverseBendingMomentum; ///< Inverse bending momentum (GeV/c ** -1) times the charge |
234 | Double32_t fThetaX; ///< Angle of track at vertex in X direction (rad) | |
235 | Double32_t fThetaY; ///< Angle of track at vertex in Y direction (rad) | |
236 | Double32_t fZ; ///< Z coordinate (cm) | |
237 | Double32_t fBendingCoor; ///< bending coordinate (cm) | |
238 | Double32_t fNonBendingCoor; ///< non bending coordinate (cm) | |
39b8d0dd | 239 | |
d5efea33 | 240 | // parameters at Distance of Closest Approach in the vertex plane |
241 | Double32_t fInverseBendingMomentumAtDCA; ///< Inverse bending momentum (GeV/c ** -1) times the charge | |
242 | Double32_t fThetaXAtDCA; ///< Angle of track at vertex in X direction (rad) | |
243 | Double32_t fThetaYAtDCA; ///< Angle of track at vertex in Y direction (rad) | |
244 | Double32_t fBendingCoorAtDCA; ///< bending coordinate (cm) | |
245 | Double32_t fNonBendingCoorAtDCA; ///< non bending coordinate (cm) | |
246 | ||
247 | // parameters at first tracking station | |
60765b06 | 248 | Double32_t fInverseBendingMomentumUncorrected; ///< Inverse bending momentum (GeV/c ** -1) times the charge |
249 | Double32_t fThetaXUncorrected; ///< Angle of track at vertex in X direction (rad) | |
250 | Double32_t fThetaYUncorrected; ///< Angle of track at vertex in Y direction (rad) | |
251 | Double32_t fZUncorrected; ///< Z coordinate (cm) | |
252 | Double32_t fBendingCoorUncorrected; ///< bending coordinate (cm) | |
253 | Double32_t fNonBendingCoorUncorrected; ///< non bending coordinate (cm) | |
39b8d0dd | 254 | |
d5efea33 | 255 | /// reduced covariance matrix of UNCORRECTED track parameters, ordered as follow: <pre> |
256 | /// [0] = <X,X> | |
257 | /// [1] =<X,ThetaX> [2] =<ThetaX,ThetaX> | |
258 | /// [3] = <X,Y> [4] = <Y,ThetaX> [5] = <Y,Y> | |
259 | /// [6] =<X,ThetaY> [7] =<ThetaX,ThetaY> [8] =<Y,ThetaY> [9] =<ThetaY,ThetaY> | |
260 | /// [10]=<X,InvP_yz> [11]=<ThetaX,InvP_yz> [12]=<Y,InvP_yz> [13]=<ThetaY,InvP_yz> [14]=<InvP_yz,InvP_yz> </pre> | |
60765b06 | 261 | Double32_t fCovariances[15]; ///< \brief reduced covariance matrix of parameters AT FIRST CHAMBER |
423b32ca | 262 | |
d5efea33 | 263 | // global tracking info |
60765b06 | 264 | Double32_t fChi2; ///< chi2 in the MUON track fit |
60765b06 | 265 | Double32_t fChi2MatchTrigger; ///< chi2 of trigger/track matching |
4f036e6e | 266 | Int_t fLocalTrigger; ///< packed local trigger information |
9dea53d8 | 267 | |
268 | // hit strips pattern in the trigger chambers | |
269 | UShort_t fX1Pattern; ///< x-strips pattern in st6/ch1 | |
270 | UShort_t fY1Pattern; ///< y-strips pattern in st6/ch1 | |
271 | UShort_t fX2Pattern; ///< x-strips pattern in st6/ch2 | |
272 | UShort_t fY2Pattern; ///< y-strips pattern in st6/ch2 | |
273 | UShort_t fX3Pattern; ///< x-strips pattern in st7/ch1 | |
274 | UShort_t fY3Pattern; ///< y-strips pattern in st7/ch1 | |
275 | UShort_t fX4Pattern; ///< x-strips pattern in st7/ch2 | |
276 | UShort_t fY4Pattern; ///< y-strips pattern in st7/ch2 | |
d5efea33 | 277 | |
12186235 | 278 | UInt_t fMuonClusterMap; ///< Map of clusters in tracking chambers |
279 | UShort_t fHitsPatternInTrigCh; ///< Word containing info on the hits left in trigger chambers | |
280 | UChar_t fNHit; ///< number of hit in the track | |
d5efea33 | 281 | |
282 | mutable TClonesArray* fClusters; ///< Array of clusters attached to the track | |
283 | ||
2e2d0c44 | 284 | Int_t fLabel; ///< point to the corresponding MC track |
daf100e1 | 285 | |
286 | AliESDEvent* fESDEvent; //!Pointer back to event to which the track belongs | |
2e2d0c44 | 287 | |
daf100e1 | 288 | ClassDef(AliESDMuonTrack,12) // MUON ESD track class |
672b5f43 | 289 | }; |
290 | ||
291 | #endif |