Implementation of 1D PID LQ method
[u/mrichter/AliRoot.git] / TRD / AliTRDrecoParam.h
1 #ifndef ALITRDRECOPARAM_H
2 #define ALITRDRECOPARAM_H
3 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice                               */
5
6 /* $Id$ */
7
8 ////////////////////////////////////////////////////////////////////////////
9 //                                                                        //
10 //  Parameter class for the TRD reconstruction                            //
11 //                                                                        //
12 ////////////////////////////////////////////////////////////////////////////
13
14 #ifndef ALIDETECTORRECOPARAM_H
15 #include "AliDetectorRecoParam.h"
16 #endif
17 #ifndef ALITRDCALPID_H
18 #include "Cal/AliTRDCalPID.h"
19 #endif
20
21 class TString;
22
23 class AliTRDrecoParam : public AliDetectorRecoParam
24 {
25 public:
26   enum ETRDReconstructionTask{
27     kClusterizer = 0,
28     kTracker = 1,
29     kPID = 2,
30     kTRDreconstructionTasks = 3
31   };
32   enum ETRDflags {
33     kDriftGas
34     ,kVertexConstraint
35     ,kTailCancelation
36     ,kImproveTracklet
37     ,kLUT
38     ,kGAUS
39     ,kClusterSharing
40     ,kSteerPID
41     ,kEightSlices
42     ,kCheckTimeConsistency
43     ,kLQ2D
44   };
45   AliTRDrecoParam();
46   AliTRDrecoParam(const AliTRDrecoParam &rec);
47   ~AliTRDrecoParam() { }
48
49   Double_t GetChi2Y() const                 { return fkChi2Y;    }
50   Double_t GetChi2Z() const                 { return fkChi2Z;    }
51   Double_t GetChi2YSlope() const            { return fkChi2YSlope; }
52   Double_t GetChi2ZSlope() const            { return fkChi2ZSlope; }
53         Double_t GetChi2YCut() const              { return fkChi2YCut; }
54   Double_t GetPhiSlope() const              { return fkPhiSlope;   }
55   Float_t  GetNClusters() const;
56   Double_t GetNMeanClusters() const         { return fkNMeanClusters; }
57   Double_t GetNSigmaClusters() const        { return fkNSigmaClusters; }
58   Double_t GetFindableClusters() const      { return fkFindable; }
59   inline Int_t    GetPIDLQslices() const;
60   Double_t GetMaxTheta() const              { return fkMaxTheta; }
61   Double_t GetMaxPhi() const                { return fkMaxPhi;   }
62   Double_t GetPlaneQualityThreshold() const { return fkPlaneQualityThreshold; }
63   Double_t GetPIDThreshold(Float_t /*p*/) const { return 0.;}
64   Double_t GetRoad0y() const                { return fkRoad0y;   }
65   Double_t GetRoad0z() const                { return fkRoad0z;   }
66   Double_t GetRoad1y() const                { return fkRoad1y;   }
67   Double_t GetRoad1z() const                { return fkRoad1z;   }
68   Double_t GetRoad2y() const                { return fkRoad2y;   }
69   Double_t GetRoad2z() const                { return fkRoad2z;   }
70   Double_t GetRoadzMultiplicator() const    { return fkRoadzMultiplicator; }
71   Double_t GetTrackLikelihood() const       { return fkTrackLikelihood;       }
72   inline void GetSysCovMatrix(Double_t *sys) const;  
73   inline void GetTCParams(Double_t *par) const;
74   inline Int_t GetStreamLevel(ETRDReconstructionTask task) const;
75   const TString *GetRawStreamVersion() const{ return &fRawStreamVersion; };
76   Int_t    GetADCBaseline() const           { return fADCBaseline; }
77   Double_t GetMinMaxCutSigma() const        { return fMinMaxCutSigma;     };
78   Double_t GetMinLeftRightCutSigma() const  { return fMinLeftRightCutSigma;  };
79   Double_t GetClusMaxThresh() const         { return fClusMaxThresh;   };
80   Double_t GetClusSigThresh() const         { return fClusSigThresh;   };
81   Int_t    GetTCnexp() const                { return fTCnexp;          };
82   Int_t    GetNumberOfPresamples()  const   { return fNumberOfPresamples;}
83   Int_t    GetNumberOfPostsamples() const   { return fNumberOfPostsamples;}
84   Bool_t   IsArgon() const                  { return TESTBIT(fFlags, kDriftGas); }
85   Bool_t   IsCheckTimeConsistency() const   { return kCheckTimeConsistency;}
86   Bool_t   IsXenon() const                  { return !TESTBIT(fFlags, kDriftGas); }
87   Bool_t   IsPIDNeuralNetwork() const       { return TESTBIT(fFlags, kSteerPID);}
88   Bool_t   IsVertexConstrained() const      { return TESTBIT(fFlags, kVertexConstraint); }
89   Bool_t   IsEightSlices() const            { return TESTBIT(fFlags, kEightSlices);}
90   Bool_t   HasImproveTracklets() const      { return TESTBIT(fFlags, kImproveTracklet);}
91   Bool_t   UseClusterSharing() const        { return TESTBIT(fFlags, kClusterSharing);}
92   Bool_t   UseLUT() const                   { return TESTBIT(fFlags, kLUT);}
93   Bool_t   UseGAUS() const                  { return TESTBIT(fFlags, kGAUS);}
94   Bool_t   UseTailCancelation() const       { return TESTBIT(fFlags, kTailCancelation); }
95         
96   static   AliTRDrecoParam *GetLowFluxParam();
97   static   AliTRDrecoParam *GetHighFluxParam();
98   static   AliTRDrecoParam *GetCosmicTestParam();
99
100   void     SetArgon(Bool_t b = kTRUE)                         {if(b) SETBIT(fFlags, kDriftGas); else CLRBIT(fFlags, kDriftGas);}
101   void     SetCheckTimeConsistency(Bool_t b = kTRUE)          {if(b) SETBIT(fFlags, kCheckTimeConsistency); else CLRBIT(fFlags, kCheckTimeConsistency);}
102   void     SetClusterSharing(Bool_t b = kTRUE)                {if(b) SETBIT(fFlags, kClusterSharing); else CLRBIT(fFlags, kClusterSharing);}
103   void     SetEightSlices(Bool_t b = kTRUE)                   {if(b) SETBIT(fFlags, kEightSlices); else CLRBIT(fFlags, kEightSlices);}
104   void     SetImproveTracklets(Bool_t b = kTRUE)              {if(b) SETBIT(fFlags, kImproveTracklet); else CLRBIT(fFlags, kImproveTracklet);}
105   void     SetLUT(Bool_t b=kTRUE)                             {if(b) SETBIT(fFlags, kLUT); else CLRBIT(fFlags, kLUT);}
106   void     SetGAUS(Bool_t b=kTRUE)                            {if(b) SETBIT(fFlags, kGAUS); else CLRBIT(fFlags, kGAUS);}
107   void     SetPIDNeuralNetwork(Bool_t b=kTRUE)                {if(b) SETBIT(fFlags, kSteerPID); else CLRBIT(fFlags, kSteerPID);}
108   void     SetPIDLQslices(Int_t s);
109   void     SetTailCancelation(Bool_t b=kTRUE)                 {if(b) SETBIT(fFlags, kTailCancelation); else CLRBIT(fFlags, kTailCancelation);}
110   void     SetXenon(Bool_t b = kTRUE)                         {if(b) CLRBIT(fFlags, kDriftGas); else SETBIT(fFlags, kDriftGas);}
111   void     SetVertexConstrained()                             {SETBIT(fFlags, kVertexConstraint);}
112   void     SetMaxTheta(Double_t maxTheta)                     {fkMaxTheta = maxTheta;}
113   void     SetMaxPhi(Double_t maxPhi)                         {fkMaxPhi = maxPhi;}
114   void     SetFindableClusters(Double_t r)                    {fkFindable = r;}
115   void     SetChi2Y(Double_t chi2)                            {fkChi2Y = chi2;}
116   void     SetChi2Z(Double_t chi2)                            {fkChi2Z = chi2;}
117   void     SetChi2YSlope(Double_t chi2YSlope)                 {fkChi2YSlope = chi2YSlope;}
118   void     SetChi2ZSlope(Double_t chi2ZSlope)                 {fkChi2ZSlope = chi2ZSlope;}
119         void       SetChi2YCut(Double_t chi2Cut)                      {fkChi2YCut = chi2Cut; }
120   void     SetPhiSlope(Double_t phiSlope)                     {fkPhiSlope = phiSlope;}
121   void     SetNMeanClusters(Double_t meanNclusters)           {fkNMeanClusters = meanNclusters;}
122   void     SetNSigmaClusters(Double_t sigmaNclusters)         {fkNSigmaClusters = sigmaNclusters;} 
123   void     SetRawStreamVersion(const Char_t *version)         {fRawStreamVersion = version; }
124   void     SetRoadzMultiplicator(Double_t mult)               {fkRoadzMultiplicator = mult; } 
125   void     SetADCBaseline(Int_t baseline)                     { fADCBaseline = baseline; }
126   void     SetMinMaxCutSigma(Float_t minMaxCutSigma)          { fMinMaxCutSigma   = minMaxCutSigma; }
127   void     SetMinLeftRightCutSigma(Float_t minLeftRightCutSigma) { fMinLeftRightCutSigma   = minLeftRightCutSigma; };
128   void     SetClusMaxThresh(Float_t thresh)                   { fClusMaxThresh   = thresh; };
129   void     SetClusSigThresh(Float_t thresh)                   { fClusSigThresh   = thresh; };
130   inline void SetPIDThreshold(Double_t *pid);
131   void     SetNexponential(Int_t nexp)                        { fTCnexp          = nexp;   };
132   inline void SetTCParams(Double_t *par);
133   inline void SetStreamLevel(ETRDReconstructionTask task, Int_t level);
134   inline void SetSysCovMatrix(Double_t *sys);
135   void     SetNumberOfPresamples(Int_t n)                     { fNumberOfPresamples = n;}
136   void     SetNumberOfPostsamples(Int_t n)                    { fNumberOfPostsamples = n;}
137
138 private:
139   // Physics reference values for TRD
140   Double_t  fkdNchdy;                // dNch/dy
141   Double_t  fkMaxTheta;              // Maximum theta
142   Double_t  fkMaxPhi;                // Maximum phi - momentum cut
143
144   Double_t  fkRoad0y;                // Road for middle cluster
145   Double_t  fkRoad0z;                // Road for middle cluster
146
147   Double_t  fkRoad1y;                // Road in y for seeded cluster
148   Double_t  fkRoad1z;                // Road in z for seeded cluster
149
150   Double_t  fkRoad2y;                // Road in y for extrapolated cluster
151   Double_t  fkRoad2z;                // Road in z for extrapolated cluster
152   
153   Double_t  fkPlaneQualityThreshold; // Quality threshold
154   Double_t  fkRoadzMultiplicator;    // Multiplicator for the Roads in z 
155   Double_t  fkFindable;              // minimum ratio of clusters per tracklet supposed to be attached.
156   Double_t  fkChi2Z;                 // Max chi2 on the z direction for seeding clusters fit
157   Double_t  fkChi2Y;                 // Max chi2 on the y direction for seeding clusters Rieman fit
158   Double_t  fkChi2YSlope;            // Slope of the chi2-distribution in y-direction
159   Double_t  fkChi2ZSlope;            // Slope of the chi2-distribution in z-direction
160         Double_t  fkChi2YCut;                                                    // Cut on the Chi2 in y-direction in the likelihood filter
161   Double_t  fkPhiSlope;              // Slope of the distribution of the deviation between track angle and tracklet angle
162   Double_t  fkNMeanClusters;         // Mean number of clusters per tracklet
163   Double_t  fkNSigmaClusters;        // Sigma of the number of clusters per tracklet
164   Double_t  fkNClusterNoise;         // ratio of noisy clusters to the true one
165   Double_t  fkNMeanTracklets;        // Mean number of tracklets per track
166   Double_t  fkTrackLikelihood;       // Track likelihood for tracklets Rieman fit
167   
168   Double_t  fSysCovMatrix[5];        // Systematic uncertainty from calibration and alignment for each tracklet
169   Double_t  fPIDThreshold[AliTRDCalPID::kNMom];   // PID Thresholds for Electron candidate decision
170
171   // Reconstruction Options for TRD reconstruction
172   Int_t     fStreamLevel[kTRDreconstructionTasks]; // Stream Level
173   Long64_t  fFlags;                  // option Flags
174   
175   // Raw Reader Params
176   TString   fRawStreamVersion;       // Raw Reader version
177   Int_t     fADCBaseline;            // ADC Baseline
178
179   // Clusterization parameter
180   Double_t  fMinMaxCutSigma;         // Threshold sigma noise pad middle
181   Double_t  fMinLeftRightCutSigma;   // Threshold sigma noise sum pad
182   Double_t  fClusMaxThresh;          // Threshold value for cluster maximum
183   Double_t  fClusSigThresh;          // Threshold value for cluster signal
184   Int_t     fTCnexp;                 // Number of exponentials, digital filter
185   Double_t  fTCParams[8];            // Tail Cancellation parameters for drift gases 
186   
187   // ADC parameter
188   Int_t     fNumberOfPresamples;     // number of presamples 
189   Int_t     fNumberOfPostsamples;     // number of postsamples 
190
191   ClassDef(AliTRDrecoParam, 10)       // Reconstruction parameters for TRD detector
192
193 };
194
195 //___________________________________________________
196 inline void AliTRDrecoParam::GetSysCovMatrix(Double_t *sys) const
197 {
198   if(!sys) return;
199   memcpy(sys, fSysCovMatrix, 5*sizeof(Double_t));
200 }
201
202 //___________________________________________________
203 inline void AliTRDrecoParam::SetSysCovMatrix(Double_t *sys)
204 {
205   if(!sys) return;
206   memcpy(fSysCovMatrix, sys, 5*sizeof(Double_t));
207 }
208
209 //___________________________________________________
210 inline void AliTRDrecoParam::SetPIDThreshold(Double_t *pid)
211 {
212   if(!pid) return;
213   memcpy(fPIDThreshold, pid, AliTRDCalPID::kNMom*sizeof(Double_t));
214 }
215
216 //___________________________________________________
217 inline void AliTRDrecoParam::SetStreamLevel(ETRDReconstructionTask task, Int_t level){
218   if(task >= kTRDreconstructionTasks) return;
219   fStreamLevel[static_cast<Int_t>(task)] = level;
220 }
221
222 //___________________________________________________
223 inline Int_t AliTRDrecoParam::GetStreamLevel(ETRDReconstructionTask task) const{
224   if(task >= kTRDreconstructionTasks) return 0;
225   return fStreamLevel[static_cast<Int_t>(task)];
226 }
227
228 //___________________________________________________
229 inline void AliTRDrecoParam::GetTCParams(Double_t *par) const
230 {
231   if(!par) return;
232   if(IsArgon()) memcpy(par, &fTCParams[4], 4*sizeof(Double_t));
233   else memcpy(par, &fTCParams[0], 4*sizeof(Double_t));
234 }
235
236 //___________________________________________________
237 inline void AliTRDrecoParam::SetTCParams(Double_t *par)
238 {
239   if(!par) return;
240   memcpy(fTCParams, par, 8*sizeof(Double_t));
241 }
242
243 //___________________________________________________
244 inline Int_t AliTRDrecoParam::GetPIDLQslices() const
245 {
246   if(IsPIDNeuralNetwork()) return -1;
247   return TESTBIT(fFlags, kLQ2D) ? 2 : 1;
248 }
249
250 #endif