1 ///////////////////////////////////////////////////////////////////////////
3 // AliFemtoTrack: main class holding all the necessary information //
4 // about a track (before the identification) that is required during //
5 // femtoscopic analysis. This class is filled with information from the //
6 // input stream by the reader. A particle has a link back to the Track //
7 // it was created from, so we do not copy the information. //
9 ///////////////////////////////////////////////////////////////////////////
11 #include "AliFemtoTrack.h"
12 #ifndef __NO_STAR_DEPENDENCE_ALLOWED__
14 #include "StEvent/StEnumerations.h"
15 #include "AliFemtoAihongPid.h"
16 #include "StEventUtilities/StuProbabilityPidAlgorithm.h"
20 #include "SystemOfUnits.h" // has "tesla" in it
21 //#include "AliFemtoParticleTypes.h"
22 //#include "AliFemtoTTreeEvent.h"
23 //#include "AliFemtoTTreeTrack.h"
25 AliFemtoTrack::AliFemtoTrack():
53 fNominalTpcEntrancePoint(0,0,0),
54 fNominalTpcExitPoint(0,0,0),
57 // Default constructor
62 // cout << "Created track " << this << endl;
66 AliFemtoTrack::AliFemtoTrack(const AliFemtoTrack& t) :
94 fNominalTpcEntrancePoint(0,0,0),
95 fNominalTpcExitPoint(0,0,0),
100 fPidProbElectron = t.fPidProbElectron;
101 fPidProbPion = t.fPidProbPion;
102 fPidProbKaon = t.fPidProbKaon;
103 fPidProbProton = t.fPidProbProton;
104 fPidProbMuon=t.fPidProbMuon;
108 fTrackId = t.fTrackId;
120 fTPCnclsF=t.fTPCnclsF;
121 fTPCsignalN=t.fTPCsignalN;
122 fTPCsignalS=t.fTPCsignalS;
123 fSigmaToVertex=t.fSigmaToVertex;
124 fClusters=t.fClusters;
126 fNominalTpcEntrancePoint=t.fNominalTpcEntrancePoint;
127 fNominalTpcExitPoint=t.fNominalTpcExitPoint;
128 if (t.ValidHiddenInfo())
129 fHiddenInfo = t.GetHiddenInfo()->Clone();
132 fKinkIndexes[0] = t.fKinkIndexes[0];
133 fKinkIndexes[1] = t.fKinkIndexes[1];
134 fKinkIndexes[2] = t.fKinkIndexes[2];
135 // cout << "Created track " << this << endl;
138 AliFemtoTrack& AliFemtoTrack::operator=(const AliFemtoTrack& aTrack)
140 // assignment operator
143 fCharge = aTrack.fCharge;
144 fPidProbElectron = aTrack.fPidProbElectron;
145 fPidProbPion = aTrack.fPidProbPion;
146 fPidProbKaon = aTrack.fPidProbKaon;
147 fPidProbProton = aTrack.fPidProbProton;
148 fPidProbMuon=aTrack.fPidProbMuon;
151 fHelix = aTrack.fHelix;
152 fTrackId = aTrack.fTrackId;
153 fFlags=aTrack.fFlags;
154 fLabel=aTrack.fLabel;
155 fImpactD=aTrack.fImpactD;
156 fImpactZ=aTrack.fImpactZ;
160 fITSchi2=aTrack.fITSchi2;
161 fITSncls=aTrack.fITSncls;
162 fTPCchi2=aTrack.fTPCchi2;
163 fTPCncls=aTrack.fTPCncls;
164 fTPCnclsF=aTrack.fTPCnclsF;
165 fTPCsignalN=aTrack.fTPCsignalN;
166 fTPCsignalS=aTrack.fTPCsignalS;
167 fClusters=aTrack.fClusters;
168 fShared=aTrack.fShared;
169 fNominalTpcEntrancePoint=aTrack.fNominalTpcEntrancePoint;
170 fNominalTpcExitPoint=aTrack.fNominalTpcExitPoint;
171 fKinkIndexes[0] = aTrack.fKinkIndexes[0];
172 fKinkIndexes[1] = aTrack.fKinkIndexes[1];
173 fKinkIndexes[2] = aTrack.fKinkIndexes[2];
174 if (ValidHiddenInfo())
176 if (aTrack.ValidHiddenInfo())
177 fHiddenInfo = aTrack.GetHiddenInfo()->Clone();
184 void AliFemtoTrack::SetCharge(const short& ch){fCharge=ch;}
186 void AliFemtoTrack::SetPidProbElectron(const float& x){fPidProbElectron = x;}
187 void AliFemtoTrack::SetPidProbPion(const float& x){fPidProbPion = x;}
188 void AliFemtoTrack::SetPidProbKaon(const float& x){fPidProbKaon = x;}
189 void AliFemtoTrack::SetPidProbProton(const float& x){fPidProbProton = x;}
190 void AliFemtoTrack::SetPidProbMuon(const float& x){fPidProbMuon = x;}
192 void AliFemtoTrack::SetP(const AliFemtoThreeVector& p){fP = p;}
193 void AliFemtoTrack::SetPt(const float& pt){fPt = pt;}
194 void AliFemtoTrack::SetHelix(const AliFmPhysicalHelixD& h){fHelix = h;}
195 void AliFemtoTrack::SetTrackId(const short & id) { fTrackId=id;}
196 void AliFemtoTrack::SetFlags(const long int &flags) {fFlags=flags;}
197 void AliFemtoTrack::SetLabel(const int &label) {fLabel=label;}
198 void AliFemtoTrack::SetImpactD(const float& aImpactD){fImpactD=aImpactD;}
199 void AliFemtoTrack::SetImpactZ(const float& aImpactZ){fImpactZ=aImpactZ;}
200 void AliFemtoTrack::SetCdd(const float& aCdd){fCdd=aCdd;}
201 void AliFemtoTrack::SetCdz(const float& aCdz){fCdz=aCdz;}
202 void AliFemtoTrack::SetCzz(const float& aCzz){fCzz=aCzz;}
203 void AliFemtoTrack::SetITSchi2(const float& aITSchi2){fITSchi2=aITSchi2;}
204 void AliFemtoTrack::SetITSncls(const int& aITSncls){fITSncls=aITSncls;}
205 void AliFemtoTrack::SetTPCchi2(const float& aTPCchi2){fTPCchi2=aTPCchi2;}
206 void AliFemtoTrack::SetTPCncls(const int& aTPCncls){fTPCncls=aTPCncls;}
207 void AliFemtoTrack::SetTPCnclsF(const short& aTPCnclsF){fTPCnclsF=aTPCnclsF;}
208 void AliFemtoTrack::SetTPCsignalN(const short& aTPCsignalN){fTPCsignalN=aTPCsignalN;}
209 void AliFemtoTrack::SetTPCsignalS(const float& aTPCsignalS){fTPCsignalS=aTPCsignalS;}
210 void AliFemtoTrack::SetSigmaToVertex(const float& aSigma){fSigmaToVertex=aSigma;}
213 short AliFemtoTrack::Charge() const {return fCharge;}
214 AliFemtoThreeVector AliFemtoTrack::P() const {return fP;}
215 float AliFemtoTrack::Pt() const {return fPt;}
216 const AliFmPhysicalHelixD& AliFemtoTrack::Helix() const {return fHelix;}
217 short AliFemtoTrack::TrackId() const { return fTrackId; }
218 long int AliFemtoTrack::Flags() const {return fFlags;}
219 int AliFemtoTrack::Label()const {return fLabel;}
220 float AliFemtoTrack::ImpactD()const{return fImpactD;}
221 float AliFemtoTrack::ImpactZ()const{return fImpactZ;}
222 float AliFemtoTrack::Cdd() const{return fCdd;}
223 float AliFemtoTrack::Cdz() const{return fCdz;}
224 float AliFemtoTrack::Czz() const{return fCzz;}
225 float AliFemtoTrack::ITSchi2() const{return fITSchi2;}
226 int AliFemtoTrack::ITSncls() const{return fITSncls;}
227 float AliFemtoTrack::TPCchi2() const{return fTPCchi2;}
228 int AliFemtoTrack::TPCncls() const{return fTPCncls;}
229 short AliFemtoTrack::TPCnclsF() const{return fTPCnclsF;}
230 short AliFemtoTrack::TPCsignalN() const{return fTPCsignalN;}
231 float AliFemtoTrack::TPCsignalS() const{return fTPCsignalS;}
232 float AliFemtoTrack::SigmaToVertex() const{return fSigmaToVertex;}
234 void AliFemtoTrack::SetHiddenInfo(AliFemtoHiddenInfo* aHiddenInfo) {fHiddenInfo=aHiddenInfo;}
235 bool AliFemtoTrack::ValidHiddenInfo() const { if (fHiddenInfo) return true; else return false; }
236 AliFemtoHiddenInfo* AliFemtoTrack::GetHiddenInfo() const {return fHiddenInfo;}
238 AliFemtoTrack::~AliFemtoTrack()
243 // cout << "Deleted track " << this << endl;
246 const TBits& AliFemtoTrack::TPCclusters() const {return fClusters;}
247 const TBits& AliFemtoTrack::TPCsharing() const {return fShared;}
249 void AliFemtoTrack::SetTPCcluster(const short& aNBit, const Bool_t& aValue)
251 fClusters.SetBitNumber(aNBit, aValue);
254 void AliFemtoTrack::SetTPCshared(const short& aNBit, const Bool_t& aValue)
256 fShared.SetBitNumber(aNBit, aValue);
259 void AliFemtoTrack::SetTPCClusterMap(const TBits& aBits)
263 void AliFemtoTrack::SetTPCSharedMap(const TBits& aBits)
268 void AliFemtoTrack::SetKinkIndexes(int points[3])
270 // Transfer the Kink indices
271 fKinkIndexes[0] = points[0];
272 fKinkIndexes[1] = points[1];
273 fKinkIndexes[2] = points[2];
276 int AliFemtoTrack::KinkIndex(int aIndex) const
279 if ((aIndex <3) && (aIndex>=0))
280 return fKinkIndexes[aIndex];
285 // void AliFemtoTrack::SetXTPC(const AliFemtoThreeVector& aXTPC)
290 // void AliFemtoTrack::SetXTPC(double *aXTPC)
292 // fXTPC.setX(aXTPC[0]);
293 // fXTPC.setY(aXTPC[1]);
294 // fXTPC.setZ(aXTPC[2]);
297 // AliFemtoThreeVector AliFemtoTrack::XTPC() const
302 const AliFemtoThreeVector& AliFemtoTrack::NominalTpcExitPoint() const
304 return fNominalTpcExitPoint;
306 const AliFemtoThreeVector& AliFemtoTrack::NominalTpcEntrancePoint() const
308 return fNominalTpcEntrancePoint;
311 void AliFemtoTrack::SetNominalTPCEntrancePoint(const AliFemtoThreeVector& aXTPC)
313 fNominalTpcEntrancePoint = aXTPC;
315 void AliFemtoTrack::SetNominalTPCEntrancePoint(double *aXTPC)
317 // Store the nominal TPC entrance point
318 fNominalTpcEntrancePoint.SetX(aXTPC[0]);
319 fNominalTpcEntrancePoint.SetY(aXTPC[1]);
320 fNominalTpcEntrancePoint.SetZ(aXTPC[2]);
323 void AliFemtoTrack::SetNominalTPCExitPoint(const AliFemtoThreeVector& aXTPC)
325 fNominalTpcExitPoint = aXTPC;
327 void AliFemtoTrack::SetNominalTPCExitPoint(double *aXTPC)
329 // Store the nominal TPC exit point
330 fNominalTpcExitPoint.SetX(aXTPC[0]);
331 fNominalTpcExitPoint.SetY(aXTPC[1]);
332 fNominalTpcExitPoint.SetZ(aXTPC[2]);