1 /**************************************************************************
2 * Copyright(c) 1998-2007, 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 **************************************************************************/
18 //-----------------------------------------------------------------------------
19 /// \class AliMUONRecoParam
21 /// Class with MUON reconstruction parameters
23 /// \author Philippe Pillot
24 //-----------------------------------------------------------------------------
28 #include "AliMUONRecoParam.h"
29 #include "AliMUONPadStatusMaker.h"
31 #include "AliRecoParam.h"
34 #include <Riostream.h>
36 ClassImp(AliMUONRecoParam)
39 //_____________________________________________________________________________
40 AliMUONRecoParam::AliMUONRecoParam()
41 : AliDetectorRecoParam(),
42 fClusteringMode("MLEM"),
43 fTrackingMode("KALMAN"),
44 fMinBendingMomentum(0.),
45 fMaxBendingMomentum(0.),
46 fMaxNonBendingSlope(0.),
48 fNonBendingVertexDispersion(0.),
49 fBendingVertexDispersion(0.),
50 fMaxNonBendingDistanceToTrack(0.),
51 fMaxBendingDistanceToTrack(0.),
52 fSigmaCutForTracking(0.),
53 fSigmaCutForImprovement(0.),
54 fSigmaCutForTrigger(0.),
55 fStripCutForTrigger(0.),
56 fMaxStripAreaForTrigger(0.),
57 fMaxNormChi2MatchTrigger(0.),
58 fPercentOfFullClusterInESD(10.),
59 fCombinedClusterTrackReco(kFALSE),
60 fTrackAllTracks(kFALSE),
61 fRecoverTracks(kFALSE),
62 fMakeTrackCandidatesFast(kFALSE),
63 fMakeMoreTrackCandidates(kFALSE),
64 fComplementTracks(kFALSE),
65 fImproveTracks(kFALSE),
67 fSaveFullClusterInESD(kTRUE),
68 fCalibrationMode("NOGAIN"),
72 fRemoveConnectedTracksInSt12(kFALSE)
76 SetNameTitle("Dummy","Dummy");
80 //_____________________________________________________________________________
81 AliMUONRecoParam::~AliMUONRecoParam()
86 //_____________________________________________________________________________
88 AliMUONRecoParam::BypassSt45(Bool_t st4, Bool_t st5)
90 /// Set the bypass status
92 if ( st4 && st5 ) fBypassSt45 = 45;
93 else if ( st4 ) fBypassSt45 = 4;
94 else if ( st5 ) fBypassSt45 = 5;
98 //_____________________________________________________________________________
100 AliMUONRecoParam::GetCalibrationMode() const
102 /// Return the calibration mode. Can be :
103 /// NOGAIN : only do pedestal subtraction
104 /// GAIN : do pedestal subtraction, and apply gain correction, but with a
105 /// single capacitance value for all channels
106 /// GAINCONSTANTCAPA : as GAIN, but with a channel-dependent capacitance value
108 return fCalibrationMode.Data();
111 //_____________________________________________________________________________
112 AliMUONRecoParam *AliMUONRecoParam::GetLowFluxParam()
114 /// Return default reconstruction parameters for low flux environment
116 AliMUONRecoParam *param = new AliMUONRecoParam();
117 param->SetLowFluxParam();
122 //_____________________________________________________________________________
123 AliMUONRecoParam *AliMUONRecoParam::GetHighFluxParam()
125 /// Return default reconstruction parameters for high flux environment
127 AliMUONRecoParam *param = new AliMUONRecoParam();
128 param->SetHighFluxParam();
133 //_____________________________________________________________________________
134 AliMUONRecoParam *AliMUONRecoParam::GetCosmicParam()
136 /// Return default reconstruction parameters for high flux environment
138 AliMUONRecoParam *param = new AliMUONRecoParam();
139 param->SetCosmicParam();
144 //_____________________________________________________________________________
145 void AliMUONRecoParam::SetLowFluxParam()
147 /// Set reconstruction parameters for low flux environment
149 SetNameTitle("Low Flux","Low Flux");
150 SetEventSpecie(AliRecoParam::kLowMult);
151 fMinBendingMomentum = 1.;
152 fMaxBendingMomentum = 3000.;
153 fMaxNonBendingSlope = 0.3;
154 fMaxBendingSlope = 0.4;
155 fNonBendingVertexDispersion = 10.;
156 fBendingVertexDispersion = 10.;
157 fMaxNonBendingDistanceToTrack = 1.;
158 fMaxBendingDistanceToTrack = 1.;
159 fSigmaCutForTracking = 6.;
160 fSigmaCutForImprovement = 5.;
161 fSigmaCutForTrigger = 8.;
162 fStripCutForTrigger = 1.;
163 fMaxStripAreaForTrigger = 3.;
164 fMaxNormChi2MatchTrigger = 16.;
165 fCombinedClusterTrackReco = kFALSE;
166 fTrackAllTracks = kTRUE;
167 fRecoverTracks = kTRUE;
168 fMakeTrackCandidatesFast = kFALSE;
169 fMakeMoreTrackCandidates = kFALSE;
170 fComplementTracks = kTRUE;
171 fImproveTracks = kTRUE;
172 fRemoveConnectedTracksInSt12 = kTRUE;
173 fUseSmoother = kTRUE;
174 for (Int_t iCh = 0; iCh < 10; iCh++) {
175 fUseChamber[iCh] = kTRUE;
176 fDefaultNonBendingReso[iCh] = 0.144;
177 fDefaultBendingReso[iCh] = 0.01;
179 for (Int_t iSt = 0; iSt < 5; iSt++) fRequestStation[iSt] = kTRUE;
184 //_____________________________________________________________________________
185 void AliMUONRecoParam::SetHighFluxParam()
187 /// Set reconstruction parameters for high flux environment
189 SetNameTitle("High Flux","High Flux");
190 SetEventSpecie(AliRecoParam::kHighMult);
191 fMinBendingMomentum = 1.;
192 fMaxBendingMomentum = 3000.;
193 fMaxNonBendingSlope = 0.3;
194 fMaxBendingSlope = 0.4;
195 fNonBendingVertexDispersion = 10.;
196 fBendingVertexDispersion = 10.;
197 fMaxNonBendingDistanceToTrack = 1.;
198 fMaxBendingDistanceToTrack = 1.;
199 fSigmaCutForTracking = 6.;
200 fSigmaCutForImprovement = 5.;
201 fSigmaCutForTrigger = 8.;
202 fStripCutForTrigger = 1.;
203 fMaxStripAreaForTrigger = 3.;
204 fMaxNormChi2MatchTrigger = 16.;
205 fCombinedClusterTrackReco = kFALSE;
206 fTrackAllTracks = kTRUE;
207 fRecoverTracks = kTRUE;
208 fMakeTrackCandidatesFast = kFALSE;
209 fMakeMoreTrackCandidates = kFALSE;
210 fComplementTracks = kTRUE;
211 fImproveTracks = kTRUE;
212 fRemoveConnectedTracksInSt12 = kFALSE;
213 fUseSmoother = kTRUE;
214 for (Int_t iCh = 0; iCh < 10; iCh++) {
215 fUseChamber[iCh] = kTRUE;
216 fDefaultNonBendingReso[iCh] = 0.144;
217 fDefaultBendingReso[iCh] = 0.01;
219 for (Int_t iSt = 0; iSt < 5; iSt++) fRequestStation[iSt] = kTRUE;
224 //_____________________________________________________________________________
225 void AliMUONRecoParam::SetCosmicParam()
227 /// Set reconstruction parameters for high flux environment
229 SetNameTitle("Cosmic","Cosmic");
230 SetEventSpecie(AliRecoParam::kCosmic);
231 fMinBendingMomentum = 1.;
232 fMaxBendingMomentum = 10000000.;
233 fMaxNonBendingSlope = 0.3;
234 fMaxBendingSlope = 0.4;
235 fNonBendingVertexDispersion = 10.;
236 fBendingVertexDispersion = 10.;
237 fMaxNonBendingDistanceToTrack = 10.;
238 fMaxBendingDistanceToTrack = 10.;
239 fSigmaCutForTracking = 20.;
240 fSigmaCutForImprovement = 20.;
241 fSigmaCutForTrigger = 8.;
242 fStripCutForTrigger = 1.5;
243 fMaxStripAreaForTrigger = 3.;
244 fMaxNormChi2MatchTrigger = 16.;
245 fPercentOfFullClusterInESD = 100.;
246 fCombinedClusterTrackReco = kFALSE;
247 fTrackAllTracks = kTRUE;
248 fRecoverTracks = kTRUE;
249 fMakeTrackCandidatesFast = kFALSE;
250 fMakeMoreTrackCandidates = kFALSE;
251 fComplementTracks = kTRUE;
252 fImproveTracks = kTRUE;
253 fRemoveConnectedTracksInSt12 = kTRUE;
254 fUseSmoother = kTRUE;
255 fSaveFullClusterInESD = kTRUE;
256 for (Int_t iCh = 0; iCh < 10; iCh++) {
257 fUseChamber[iCh] = kTRUE;
258 fDefaultNonBendingReso[iCh] = 0.144;
259 fDefaultBendingReso[iCh] = 0.01;
261 for (Int_t iSt = 0; iSt < 5; iSt++) fRequestStation[iSt] = kTRUE;
266 //_____________________________________________________________________________
268 AliMUONRecoParam::RequestedStationMask() const
270 /// Get the mask of the requested station, i.e. an integer where
271 /// bit n is set to one if the station n was requested
275 for ( Int_t i = 0; i < 5; ++i )
277 if ( RequestStation(i) ) m |= ( 1 << i );
282 //_____________________________________________________________________________
283 void AliMUONRecoParam::Print(Option_t *option) const
285 /// print reconstruction parameters
286 /// if option = FULL then print also unused parameters
288 cout<<endl<<"\t------MUON Reconstruction parameters ("<<GetName()<<")------"<<endl;
290 if (IsDefault()) cout<<"\t\t*** Parameters used by default ***"<<endl;
292 cout<<Form("Calibration mode = %s",fCalibrationMode.Data())<<endl;
293 cout<<Form("Clustering mode = %s",fClusteringMode.Data())<<endl;
294 cout<<Form("Tracking mode = %s",fTrackingMode.Data())<<endl;
300 bypass = "stations 4 and 5";
302 else if ( BypassSt4() )
304 bypass = "station 4";
306 else if ( BypassSt5() )
308 bypass = "station 5";
311 if (bypass.Length()) cout << "Will bypass " << bypass.Data() << " (replacing real clusters by generated ones from trigger tracks)" << endl;
313 if (fCombinedClusterTrackReco) cout<<"Combined cluster/track reconstruction: ON"<<endl;
314 else cout<<"Combined cluster/track reconstruction: OFF"<<endl;
316 if (fSaveFullClusterInESD) cout<<Form("Save all cluster info in ESD for %5.2f %% of events",fPercentOfFullClusterInESD)<<endl;
317 else cout<<"Save partial cluster info in ESD"<<endl;
319 cout<<Form("Bending momentum range = [%5.2f,%5.2f]",fMinBendingMomentum,fMaxBendingMomentum)<<endl;
321 cout<<Form("Maximum non bending slope = %5.2f",fMaxNonBendingSlope)<<endl;
323 cout<<Form("Maximum bending slope (used only if B=0) = %5.2f",fMaxBendingSlope)<<endl;
325 if (strstr(fTrackingMode,"ORIGINAL"))
326 cout<<Form("Vertex dispertion = (%5.2f,%5.2f)",fNonBendingVertexDispersion,fBendingVertexDispersion)<<endl;
327 else if (strstr(option,"FULL"))
328 cout<<Form("Vertex dispertion (used for original tracking only) = (%5.2f,%5.2f)",fNonBendingVertexDispersion,fBendingVertexDispersion)<<endl;
330 cout<<Form("Maximum distance to track = (%5.2f,%5.2f)",fMaxNonBendingDistanceToTrack,fMaxBendingDistanceToTrack)<<endl;
332 cout<<Form("Sigma cut for tracking = %5.2f",fSigmaCutForTracking)<<endl;
334 cout<<Form("Sigma cut for trigger hit pattern = %5.2f",fSigmaCutForTrigger)<<endl;
336 cout<<Form("Cut in strips for trigger chamber efficiency = %5.2f",fStripCutForTrigger)<<endl;
338 cout<<Form("Max search area in strips for trigger chamber efficiency = %5.2f",fMaxStripAreaForTrigger)<<endl;
340 if (fTrackAllTracks) cout<<"Track all the possible candidates"<<endl;
341 else cout<<"Track only the best candidates"<<endl;
343 if (strstr(option,"FULL")) {
344 cout<<"Make track candidates assuming linear propagation between stations 4 and 5: ";
345 if (fMakeTrackCandidatesFast) cout<<"ON"<<endl;
346 else cout<<"OFF"<<endl;
347 } else if (fMakeTrackCandidatesFast)
348 cout<<"Make track candidates assuming linear propagation between stations 4 and 5"<<endl;
350 if (strstr(option,"FULL")) {
351 cout<<"Make track candidates starting from 1 cluster in each of the stations 4 and 5: ";
352 if (fMakeMoreTrackCandidates) cout<<"ON"<<endl;
353 else cout<<"OFF"<<endl;
354 } else if (fMakeMoreTrackCandidates)
355 cout<<"Make track candidates starting from 1 cluster in each of the stations 4 and 5"<<endl;
357 if (strstr(option,"FULL")) {
358 cout<<"Try to recover tracks getting lost during tracking: ";
359 if (fRecoverTracks) cout<<"ON"<<endl;
360 else cout<<"OFF"<<endl;
361 } else if (fRecoverTracks)
362 cout<<"Try to recover tracks getting lost during tracking"<<endl;
364 if (strstr(option,"FULL")) {
365 cout<<"Try to complete the reconstructed tracks by adding missing clusters: ";
366 if (fComplementTracks) cout<<"ON"<<endl;
367 else cout<<"OFF"<<endl;
368 } else if (fComplementTracks)
369 cout<<"Try to complete the reconstructed tracks by adding missing clusters"<<endl;
371 if (strstr(option,"FULL")) {
372 cout<<"Try to improve the reconstructed tracks by removing bad clusters: ";
373 if (fImproveTracks) cout<<Form("ON (sigma cut = %5.2f)",fSigmaCutForImprovement)<<endl;
374 else cout<<"OFF"<<endl;
375 } else if (fImproveTracks)
376 cout<<Form("Try to improve the reconstructed tracks by removing bad clusters (sigma cut = %5.2f)",fSigmaCutForImprovement)<<endl;
378 if (fRemoveConnectedTracksInSt12) cout<<"Remove tracks sharing one cluster or more in any station"<<endl;
379 else cout<<"Remove tracks sharing one cluster or more in stations 3, 4 and 5"<<endl;
381 if (strstr(option,"FULL")) {
382 cout<<"Use smoother to compute final track parameters, etc, at each cluster (used for Kalman tracking only): ";
383 if (fUseSmoother) cout<<"ON"<<endl;
384 else cout<<"OFF"<<endl;
385 } else if (fUseSmoother)
386 cout<<"Use smoother to compute final track parameters, etc, at each cluster"<<endl;
388 cout<<Form("Maximum normalized chi2 of tracking/trigger track matching = %5.2f",fMaxNormChi2MatchTrigger)<<endl;
390 Bool_t discardedCh = kFALSE;
393 if (!UseChamber(ch)) {
395 cout<<"Discarded chambers(1..): "<<ch+1;
398 else cout<<" "<<ch+1;
401 if (discardedCh) cout<<endl;
403 Bool_t discardedSt = kFALSE;
406 if (!RequestStation(st)) {
408 cout<<"Not requested stations(1..): "<<st+1;
411 else cout<<" "<<st+1;
414 if (discardedSt) cout<<endl;
416 cout << Form("Pad goodness policy mask is 0x%x",PadGoodnessMask()) << endl;
417 cout << "Which means we reject pads having the condition = " <<
418 AliMUONPadStatusMaker::AsCondition(PadGoodnessMask()).Data() << endl;
420 cout << "The pad limits we are using are :" << endl;
422 cout << Form("%5.0f <= HVSt12 <= %5.0f Volts",HVSt12LowLimit(),HVSt12HighLimit()) << endl;
423 cout << Form("%5.0f <= HVSt345 <= %5.0f Volts",HVSt345LowLimit(),HVSt345HighLimit()) << endl;
424 cout << Form("%7.2f <= Pedestal mean <= %7.2f",PedMeanLowLimit(),PedMeanHighLimit()) << endl;
425 cout << Form("%7.2f <= Pedestal sigma <= %7.2f",PedSigmaLowLimit(),PedSigmaHighLimit()) << endl;
426 cout << Form("%e <= Gain linear term <= %e",GainA1LowLimit(),GainA1HighLimit()) << endl;
427 cout << Form("%e <= Gain quadratic term <= %e",GainA2LowLimit(),GainA2HighLimit()) << endl;
428 cout << Form("%5.0f <= Gain threshold term <= %5.0f",GainThresLowLimit(),GainThresHighLimit()) << endl;
430 cout << Form("And we cut on charge >= %7.2f x ( pedestal sigma ) ",ChargeSigmaCut()) << endl;
432 cout << "chamber non bending resolution = |";
433 for (Int_t iCh = 0; iCh < 10; iCh++) cout << Form(" %6.3f |",fDefaultNonBendingReso[iCh]);
435 cout << "chamber bending resolution = |";
436 for (Int_t iCh = 0; iCh < 10; iCh++) cout << Form(" %6.3f |",fDefaultBendingReso[iCh]);
439 cout<<"\t-----------------------------------------------------"<<endl<<endl;
443 //_____________________________________________________________________________
445 AliMUONRecoParam::SetDefaultLimits()
447 /// Set the default limits and pad goodness policy
449 fHVSt12Limits[0]=1500;
450 fHVSt12Limits[1]=2000;
452 fHVSt345Limits[0]=1500;
453 fHVSt345Limits[1]=2000;
455 fPedMeanLimits[0] = 50;
456 fPedMeanLimits[1] = 1024;
458 fPedSigmaLimits[0] = 0.1;
459 fPedSigmaLimits[1] = 100;
461 fGainA1Limits[0] = 0.1;
462 fGainA1Limits[1] = 10;
464 fGainA2Limits[0] = -1E30;
465 fGainA2Limits[1] = 1E30;
467 fGainThresLimits[0] = 0;
468 fGainThresLimits[1] = 4095;
470 fPadGoodnessMask = 0x8080;
472 fChargeSigmaCut = 4.0;