1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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8 * documentation strictly for non-commercial purposes is hereby granted *
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12 * about the suitability of this software for any purpose. It is *
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14 **************************************************************************/
17 ///////////////////////////////////////////////////////////////////////////////
19 // Class with TPC reconstruction parameters //
23 The reconstruction parameters are used in the AliTPCclustererMI and AliTPCtrackerMI
26 0. User speciefied it in reconstruction macro
27 1. if (not 0) from OCDB - AliTPCcalibDB::GetRecoParam(eventtype)
28 2. if (not 0 or 1) default parameter - High flux enevironment used
31 In the future reconstruction parameters should be changed on event basis
32 But for the moment, event types are still not defined
35 // Setting for systematic errors addition
38 [2] - systematic RMSSNP
39 [3] - systematic RMSTheta
40 [4] - systematic RMSCuravture - systematic error in 1/cm not in 1/pt
42 // How to add it example - 3 mm systematic error y, 3 cm systematic error z (drift)
43 Double_t sysError[5]={0.3,3, 0.3/150., 3./150.,0.3/(150*150.)}
44 param->SetSystematicError(sysError);
48 ///////////////////////////////////////////////////////////////////////////////
51 #include "AliTPCRecoParam.h"
53 ClassImp(AliTPCRecoParam)
56 Bool_t AliTPCRecoParam::fgUseTimeCalibration=kTRUE; // flag usage the time dependent calibration
57 // to be switched off for pass 0 reconstruction
58 // Use static function, other option will be to use
59 // additional specific storage ?
61 //_____________________________________________________________________________
62 AliTPCRecoParam::AliTPCRecoParam():
63 AliDetectorRecoParam(),
64 fBClusterSharing(kTRUE),
68 fUseOuterDetectors(kFALSE),
72 fBCalcPedestal(kFALSE),
74 fDumpAmplitudeMin(100),
77 fUseOnePadCluster(kTRUE),
79 fMinLeftRightCutAbs(6.),
83 fMinLeftRightCutSigma(7.),
84 fMinUpDownCutSigma(8.),
86 fBSpecialSeeding(kFALSE),
91 fUseFieldCorrection(2), // use field correction
92 fUseComposedCorrection(kFALSE), // use field correction
93 fUseRPHICorrection(0), // use rphi correction
94 fUseRadialCorrection(0), // use radial correction
95 fUseQuadrantAlignment(0), // use quadrant alignment
96 fUseSectorAlignment(0), // use sector alignment
97 fUseDriftCorrectionTime(1), // use drift correction time
98 fUseDriftCorrectionGY(1), // use drif correction global y
99 fUseGainCorrectionTime(0), // use gain correction time
100 fUseExBCorrection(1), // use ExB correction
101 fUseMultiplicityCorrectionDedx(kTRUE), // use Dedx multiplicity correction
102 fUseAlignmentTime(kTRUE), // use time dependent alignment correction
104 fUseTotCharge(kTRUE), // switch use total or max charge
105 fMinFraction(0.01), // truncated mean - lower threshold
106 fMaxFaction(0.7), // truncated mean - upper threshold
107 fNeighborRowsDedx(2), // neighbour rows for below threshold dEdx calculation
108 fUseTOFCorrection(kTRUE)
115 for (Int_t i=0;i<5;i++) fSystematicErrors[i]=0;
116 fCutSharedClusters[0]=0.5; // maximal allowed fraction of shared clusters - shorter track
117 fCutSharedClusters[1]=0.25; // maximal allowed fraction of shared clusters - longer track
118 fClusterMaxRange[0]=1; // y - pad range
119 fClusterMaxRange[1]=1; // z - time bin range
120 fKinkAngleCutChi2[0]=9; // angular cut for kink finder - to create a kink
121 // ~ about 5 % rate for high pt kink finder
122 fKinkAngleCutChi2[1]=12; // angular cut for kink finder - to use the partial track // form kink
123 // ~ about 2 % rate for high pt kink finder
126 //_____________________________________________________________________________
127 AliTPCRecoParam::~AliTPCRecoParam()
137 AliTPCRecoParam *AliTPCRecoParam::GetLowFluxParam(){
139 // make default reconstruction parameters for low flux env.
141 AliTPCRecoParam *param = new AliTPCRecoParam;
142 param->fCtgRange = 10;
143 param->fFirstBin = 0;
144 param->fLastBin = 1000;
145 param->SetName("Low Flux");
146 param->SetTitle("Low Flux");
150 AliTPCRecoParam *AliTPCRecoParam::GetHighFluxParam(){
152 // make reco parameters for high flux env.
154 AliTPCRecoParam *param = new AliTPCRecoParam;
155 param->fCtgRange = 1.05;
156 param->fFirstBin = 0;
157 param->fLastBin = 1000;
158 param->fUseTotCharge=kFALSE;
159 param->SetName("High Flux");
160 param->SetTitle("High Flux");
164 AliTPCRecoParam *AliTPCRecoParam::GetHLTParam(){
166 // make reco parameters for high flux env.
168 AliTPCRecoParam *param = new AliTPCRecoParam;
169 param->fCtgRange = 1.05;
170 param->fFirstBin = 80;
171 param->fLastBin = 1000;
172 param->fMaxSnpTracker = 0.9;
175 param->SetName("Hlt Param");
176 param->SetTitle("Hlt Param");
177 param->fBKinkFinder = kFALSE;
181 AliTPCRecoParam *AliTPCRecoParam::GetLaserTestParam(Bool_t bPedestal){
183 // special setting for laser
185 AliTPCRecoParam *param = new AliTPCRecoParam;
186 param->fDumpSignal=kTRUE;
187 param->fCtgRange = 10.05;
188 param->fFirstBin = 0;
189 param->fLastBin = 1000;
190 param->fBCalcPedestal = bPedestal;
191 param->fBDoUnfold = kFALSE;
192 param->fDumpAmplitudeMin = 150;
193 param->fBKinkFinder = kFALSE;
194 param->fMaxSnpTracker = 0.98;
196 param->fBSpecialSeeding = kTRUE;
197 param->fUseTOFCorrection=kFALSE;
200 param->SetName("Laser Flux");
201 param->SetTitle("Laser Flux");
205 AliTPCRecoParam *AliTPCRecoParam::GetCosmicTestParam(Bool_t bPedestal){
207 // special setting for cosmic
209 AliTPCRecoParam *param = new AliTPCRecoParam;
210 param->fDumpSignal=kTRUE;
211 param->fCtgRange = 10.05; // full TPC
212 param->fFirstBin = 60;
213 param->fLastBin = 1000;
214 param->fBCalcPedestal = bPedestal;
215 param->fBDoUnfold = kFALSE;
216 param->fBSpecialSeeding = kTRUE;
218 param->fBKinkFinder = kFALSE;
219 param->fUseTOFCorrection =kFALSE;
220 param->SetName("Cosmic Flux");
221 param->SetTitle("Cosmic Flux");
227 Bool_t AliTPCRecoParam::GetUseTimeCalibration(){
231 return fgUseTimeCalibration;
233 void AliTPCRecoParam::SetUseTimeCalibration(Bool_t useTimeCalibration) {
237 fgUseTimeCalibration = useTimeCalibration;