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. *
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 **************************************************************************/
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),
109 fUseSystematicCorrelation(kTRUE)
116 for (Int_t i=0;i<5;i++) fSystematicErrors[i]=0;
117 fCutSharedClusters[0]=0.5; // maximal allowed fraction of shared clusters - shorter track
118 fCutSharedClusters[1]=0.25; // maximal allowed fraction of shared clusters - longer track
119 fClusterMaxRange[0]=1; // y - pad range
120 fClusterMaxRange[1]=1; // z - time bin range
121 fKinkAngleCutChi2[0]=9; // angular cut for kink finder - to create a kink
122 // ~ about 5 % rate for high pt kink finder
123 fKinkAngleCutChi2[1]=12; // angular cut for kink finder - to use the partial track // form kink
124 // ~ about 2 % rate for high pt kink finder
127 //_____________________________________________________________________________
128 AliTPCRecoParam::~AliTPCRecoParam()
135 void AliTPCRecoParam::Print(const Option_t* /*option*/) const{
139 AliTPCRecoParam::Dump();
140 printf("Systematic errors:\n");
141 const char * cherrs[5]={"sy=","sz=","ssnp=","stheta=","s1pt="};
142 for (Int_t i=0; i<5; i++){
143 printf("%s%f\n",cherrs[i],fSystematicErrors[i]);
148 AliTPCRecoParam *AliTPCRecoParam::GetLowFluxParam(){
150 // make default reconstruction parameters for low flux env.
152 AliTPCRecoParam *param = new AliTPCRecoParam;
153 param->fCtgRange = 10;
154 param->fFirstBin = 0;
155 param->fLastBin = 1000;
156 param->SetName("Low Flux");
157 param->SetTitle("Low Flux");
161 AliTPCRecoParam *AliTPCRecoParam::GetHighFluxParam(){
163 // make reco parameters for high flux env.
165 AliTPCRecoParam *param = new AliTPCRecoParam;
166 param->fCtgRange = 1.05;
167 param->fFirstBin = 0;
168 param->fLastBin = 1000;
169 param->fUseTotCharge=kFALSE;
170 param->SetName("High Flux");
171 param->SetTitle("High Flux");
175 AliTPCRecoParam *AliTPCRecoParam::GetHLTParam(){
177 // make reco parameters for high flux env.
179 AliTPCRecoParam *param = new AliTPCRecoParam;
180 param->fCtgRange = 1.05;
181 param->fFirstBin = 80;
182 param->fLastBin = 1000;
183 param->fMaxSnpTracker = 0.9;
186 param->SetName("Hlt Param");
187 param->SetTitle("Hlt Param");
188 param->fBKinkFinder = kFALSE;
192 AliTPCRecoParam *AliTPCRecoParam::GetLaserTestParam(Bool_t bPedestal){
194 // special setting for laser
196 AliTPCRecoParam *param = new AliTPCRecoParam;
197 param->fDumpSignal=kTRUE;
198 param->fCtgRange = 10.05;
199 param->fFirstBin = 0;
200 param->fLastBin = 1000;
201 param->fBCalcPedestal = bPedestal;
202 param->fBDoUnfold = kFALSE;
203 param->fDumpAmplitudeMin = 150;
204 param->fBKinkFinder = kFALSE;
205 param->fMaxSnpTracker = 0.98;
207 param->fBSpecialSeeding = kTRUE;
208 param->fUseTOFCorrection=kFALSE;
211 param->SetName("Laser Flux");
212 param->SetTitle("Laser Flux");
216 AliTPCRecoParam *AliTPCRecoParam::GetCosmicTestParam(Bool_t bPedestal){
218 // special setting for cosmic
220 AliTPCRecoParam *param = new AliTPCRecoParam;
221 param->fDumpSignal=kTRUE;
222 param->fCtgRange = 10.05; // full TPC
223 param->fFirstBin = 60;
224 param->fLastBin = 1000;
225 param->fBCalcPedestal = bPedestal;
226 param->fBDoUnfold = kFALSE;
227 param->fBSpecialSeeding = kTRUE;
229 param->fBKinkFinder = kFALSE;
230 param->fUseTOFCorrection =kFALSE;
231 param->SetName("Cosmic Flux");
232 param->SetTitle("Cosmic Flux");
238 Bool_t AliTPCRecoParam::GetUseTimeCalibration(){
242 return fgUseTimeCalibration;
244 void AliTPCRecoParam::SetUseTimeCalibration(Bool_t useTimeCalibration) {
248 fgUseTimeCalibration = useTimeCalibration;