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"),
75 SetNameTitle("Dummy","Dummy");
79 //_____________________________________________________________________________
80 AliMUONRecoParam::~AliMUONRecoParam()
85 //_____________________________________________________________________________
87 AliMUONRecoParam::BypassSt45(Bool_t st4, Bool_t st5)
89 /// Set the bypass status
91 if ( st4 && st5 ) fBypassSt45 = 45;
92 else if ( st4 ) fBypassSt45 = 4;
93 else if ( st5 ) fBypassSt45 = 5;
97 //_____________________________________________________________________________
99 AliMUONRecoParam::GetCalibrationMode() const
101 /// Return the calibration mode. Can be :
102 /// NOGAIN : only do pedestal subtraction
103 /// GAIN : do pedestal subtraction, and apply gain correction, but with a
104 /// single capacitance value for all channels
105 /// GAINCONSTANTCAPA : as GAIN, but with a channel-dependent capacitance value
107 return fCalibrationMode.Data();
110 //_____________________________________________________________________________
111 AliMUONRecoParam *AliMUONRecoParam::GetLowFluxParam()
113 /// Return default reconstruction parameters for low flux environment
115 AliMUONRecoParam *param = new AliMUONRecoParam();
116 param->SetLowFluxParam();
121 //_____________________________________________________________________________
122 AliMUONRecoParam *AliMUONRecoParam::GetHighFluxParam()
124 /// Return default reconstruction parameters for high flux environment
126 AliMUONRecoParam *param = new AliMUONRecoParam();
127 param->SetHighFluxParam();
132 //_____________________________________________________________________________
133 AliMUONRecoParam *AliMUONRecoParam::GetCosmicParam()
135 /// Return default reconstruction parameters for high flux environment
137 AliMUONRecoParam *param = new AliMUONRecoParam();
138 param->SetCosmicParam();
143 //_____________________________________________________________________________
144 void AliMUONRecoParam::SetLowFluxParam()
146 /// Set reconstruction parameters for low flux environment
148 SetNameTitle("Low Flux","Low Flux");
149 SetEventSpecie(AliRecoParam::kLowMult);
150 fMinBendingMomentum = 1.;
151 fMaxBendingMomentum = 3000.;
152 fMaxNonBendingSlope = 0.3;
153 fMaxBendingSlope = 0.4;
154 fNonBendingVertexDispersion = 10.;
155 fBendingVertexDispersion = 10.;
156 fMaxNonBendingDistanceToTrack = 1.;
157 fMaxBendingDistanceToTrack = 1.;
158 fSigmaCutForTracking = 6.;
159 fSigmaCutForImprovement = 5.;
160 fSigmaCutForTrigger = 8.;
161 fStripCutForTrigger = 1.;
162 fMaxStripAreaForTrigger = 3.;
163 fMaxNormChi2MatchTrigger = 16.;
164 fCombinedClusterTrackReco = kFALSE;
165 fTrackAllTracks = kTRUE;
166 fRecoverTracks = kTRUE;
167 fMakeTrackCandidatesFast = kFALSE;
168 fMakeMoreTrackCandidates = kFALSE;
169 fComplementTracks = kTRUE;
170 fImproveTracks = kTRUE;
171 fUseSmoother = kTRUE;
172 for (Int_t iCh = 0; iCh < 10; iCh++) fUseChamber[iCh] = kTRUE;
173 for (Int_t iSt = 0; iSt < 5; iSt++) fRequestStation[iSt] = kTRUE;
178 //_____________________________________________________________________________
179 void AliMUONRecoParam::SetHighFluxParam()
181 /// Set reconstruction parameters for high flux environment
183 SetNameTitle("High Flux","High Flux");
184 SetEventSpecie(AliRecoParam::kHighMult);
185 fMinBendingMomentum = 1.;
186 fMaxBendingMomentum = 3000.;
187 fMaxNonBendingSlope = 0.3;
188 fMaxBendingSlope = 0.4;
189 fNonBendingVertexDispersion = 10.;
190 fBendingVertexDispersion = 10.;
191 fMaxNonBendingDistanceToTrack = 1.;
192 fMaxBendingDistanceToTrack = 1.;
193 fSigmaCutForTracking = 6.;
194 fSigmaCutForImprovement = 5.;
195 fSigmaCutForTrigger = 8.;
196 fStripCutForTrigger = 1.;
197 fMaxStripAreaForTrigger = 3.;
198 fMaxNormChi2MatchTrigger = 16.;
199 fCombinedClusterTrackReco = kFALSE;
200 fTrackAllTracks = kTRUE;
201 fRecoverTracks = kTRUE;
202 fMakeTrackCandidatesFast = kFALSE;
203 fMakeMoreTrackCandidates = kFALSE;
204 fComplementTracks = kTRUE;
205 fImproveTracks = kTRUE;
206 fUseSmoother = kTRUE;
207 for (Int_t iCh = 0; iCh < 10; iCh++) fUseChamber[iCh] = kTRUE;
208 for (Int_t iSt = 0; iSt < 5; iSt++) fRequestStation[iSt] = kTRUE;
213 //_____________________________________________________________________________
215 AliMUONRecoParam::RequestedStationMask() const
217 /// Get the mask of the requested station, i.e. an integer where
218 /// bit n is set to one if the station n was requested
222 for ( Int_t i = 0; i < 5; ++i )
224 if ( RequestStation(i) ) m |= ( 1 << i );
229 //_____________________________________________________________________________
230 void AliMUONRecoParam::SetCosmicParam()
232 /// Set reconstruction parameters for high flux environment
234 SetNameTitle("Cosmic","Cosmic");
235 SetEventSpecie(AliRecoParam::kCosmic);
236 fMinBendingMomentum = 1.;
237 fMaxBendingMomentum = 10000000.;
238 fMaxNonBendingSlope = 0.3;
239 fMaxBendingSlope = 0.4;
240 fNonBendingVertexDispersion = 10.;
241 fBendingVertexDispersion = 10.;
242 fMaxNonBendingDistanceToTrack = 10.;
243 fMaxBendingDistanceToTrack = 10.;
244 fSigmaCutForTracking = 20.;
245 fSigmaCutForImprovement = 20.;
246 fSigmaCutForTrigger = 8.;
247 fMaxNormChi2MatchTrigger = 16.;
248 fPercentOfFullClusterInESD = 100.;
249 fCombinedClusterTrackReco = kFALSE;
250 fTrackAllTracks = kTRUE;
251 fRecoverTracks = kTRUE;
252 fMakeTrackCandidatesFast = kFALSE;
253 fMakeMoreTrackCandidates = kFALSE;
254 fComplementTracks = kTRUE;
255 fImproveTracks = kTRUE;
256 fUseSmoother = kTRUE;
257 fSaveFullClusterInESD = kTRUE;
258 for (Int_t iCh = 0; iCh < 10; iCh++) fUseChamber[iCh] = kTRUE;
259 for (Int_t iSt = 0; iSt < 5; iSt++) fRequestStation[iSt] = kTRUE;
264 //_____________________________________________________________________________
265 void AliMUONRecoParam::Print(Option_t *option) const
267 /// print reconstruction parameters
268 /// if option = FULL then print also unused parameters
270 cout<<endl<<"\t------Reconstruction parameters ("<<GetName()<<")------"<<endl;
272 if (IsDefault()) cout<<"\t\t*** Parameters used by default ***"<<endl;
274 cout<<Form("Calibration mode = %s",fCalibrationMode.Data())<<endl;
275 cout<<Form("Clustering mode = %s",fClusteringMode.Data())<<endl;
276 cout<<Form("Tracking mode = %s",fTrackingMode.Data())<<endl;
282 bypass = "stations 4 and 5";
284 else if ( BypassSt4() )
286 bypass = "station 4";
288 else if ( BypassSt5() )
290 bypass = "station 5";
293 if (bypass.Length()) cout << "Will bypass " << bypass.Data() << " (replacing real clusters by generated ones from trigger tracks)" << endl;
295 if (fCombinedClusterTrackReco) cout<<"Combined cluster/track reconstruction: ON"<<endl;
296 else cout<<"Combined cluster/track reconstruction: OFF"<<endl;
298 if (fSaveFullClusterInESD) cout<<Form("Save all cluster info in ESD for %5.2f %% of events",fPercentOfFullClusterInESD)<<endl;
299 else cout<<"Save partial cluster info in ESD"<<endl;
301 cout<<Form("Bending momentum range = [%5.2f,%5.2f]",fMinBendingMomentum,fMaxBendingMomentum)<<endl;
303 cout<<Form("Maximum non bending slope = %5.2f",fMaxNonBendingSlope)<<endl;
305 cout<<Form("Maximum bending slope (used only if B=0) = %5.2f",fMaxBendingSlope)<<endl;
307 if (strstr(fTrackingMode,"ORIGINAL"))
308 cout<<Form("Vertex dispertion = (%5.2f,%5.2f)",fNonBendingVertexDispersion,fBendingVertexDispersion)<<endl;
309 else if (strstr(option,"FULL"))
310 cout<<Form("Vertex dispertion (used for original tracking only) = (%5.2f,%5.2f)",fNonBendingVertexDispersion,fBendingVertexDispersion)<<endl;
312 cout<<Form("Maximum distance to track = (%5.2f,%5.2f)",fMaxNonBendingDistanceToTrack,fMaxBendingDistanceToTrack)<<endl;
314 cout<<Form("Sigma cut for tracking = %5.2f",fSigmaCutForTracking)<<endl;
316 cout<<Form("Sigma cut for trigger hit pattern = %5.2f",fSigmaCutForTrigger)<<endl;
318 cout<<Form("Cut in strips for trigger chamber efficiency = %5.2f",fStripCutForTrigger)<<endl;
320 cout<<Form("Max search area in strips for trigger chamber efficiency = %5.2f",fMaxStripAreaForTrigger)<<endl;
322 if (fTrackAllTracks) cout<<"Track all the possible candidates"<<endl;
323 else cout<<"Track only the best candidates"<<endl;
325 if (strstr(option,"FULL")) {
326 cout<<"Make track candidates assuming linear propagation between stations 4 and 5: ";
327 if (fMakeTrackCandidatesFast) cout<<"ON"<<endl;
328 else cout<<"OFF"<<endl;
329 } else if (fMakeTrackCandidatesFast)
330 cout<<"Make track candidates assuming linear propagation between stations 4 and 5"<<endl;
332 if (strstr(option,"FULL")) {
333 cout<<"Make track candidates starting from 1 cluster in each of the stations 4 and 5: ";
334 if (fMakeMoreTrackCandidates) cout<<"ON"<<endl;
335 else cout<<"OFF"<<endl;
336 } else if (fMakeMoreTrackCandidates)
337 cout<<"Make track candidates starting from 1 cluster in each of the stations 4 and 5"<<endl;
339 if (strstr(option,"FULL")) {
340 cout<<"Try to recover tracks getting lost during tracking: ";
341 if (fRecoverTracks) cout<<"ON"<<endl;
342 else cout<<"OFF"<<endl;
343 } else if (fRecoverTracks)
344 cout<<"Try to recover tracks getting lost during tracking"<<endl;
346 if (strstr(option,"FULL")) {
347 cout<<"Try to complete the reconstructed tracks by adding missing clusters: ";
348 if (fComplementTracks) cout<<"ON"<<endl;
349 else cout<<"OFF"<<endl;
350 } else if (fComplementTracks)
351 cout<<"Try to complete the reconstructed tracks by adding missing clusters"<<endl;
353 if (strstr(option,"FULL")) {
354 cout<<"Try to improve the reconstructed tracks by removing bad clusters: ";
355 if (fImproveTracks) cout<<Form("ON (sigma cut = %5.2f)",fSigmaCutForImprovement)<<endl;
356 else cout<<"OFF"<<endl;
357 } else if (fImproveTracks)
358 cout<<Form("Try to improve the reconstructed tracks by removing bad clusters (sigma cut = %5.2f)",fSigmaCutForImprovement)<<endl;
360 if (strstr(option,"FULL")) {
361 cout<<"Use smoother to compute final track parameters, etc, at each cluster (used for Kalman tracking only): ";
362 if (fUseSmoother) cout<<"ON"<<endl;
363 else cout<<"OFF"<<endl;
364 } else if (fUseSmoother)
365 cout<<"Use smoother to compute final track parameters, etc, at each cluster"<<endl;
367 cout<<Form("Maximum normalized chi2 of tracking/trigger track matching = %5.2f",fMaxNormChi2MatchTrigger)<<endl;
369 Bool_t discardedCh = kFALSE;
372 if (!UseChamber(ch)) {
374 cout<<"Discarded chambers(1..): "<<ch+1;
377 else cout<<" "<<ch+1;
380 if (discardedCh) cout<<endl;
382 Bool_t discardedSt = kFALSE;
385 if (!RequestStation(st)) {
387 cout<<"Not requested stations(1..): "<<st+1;
390 else cout<<" "<<st+1;
393 if (discardedSt) cout<<endl;
395 cout << Form("Pad goodness policy mask is 0x%x",PadGoodnessMask()) << endl;
396 cout << "Which means we reject pads having the condition = " <<
397 AliMUONPadStatusMaker::AsCondition(PadGoodnessMask()).Data() << endl;
399 cout << "The pad limits we are using are :" << endl;
401 cout << Form("%5.0f <= HVSt12 <= %5.0f Volts",HVSt12LowLimit(),HVSt12HighLimit()) << endl;
402 cout << Form("%5.0f <= HVSt345 <= %5.0f Volts",HVSt345LowLimit(),HVSt345HighLimit()) << endl;
403 cout << Form("%7.2f <= Pedestal mean <= %7.2f",PedMeanLowLimit(),PedMeanHighLimit()) << endl;
404 cout << Form("%7.2f <= Pedestal sigma <= %7.2f",PedSigmaLowLimit(),PedSigmaHighLimit()) << endl;
405 cout << Form("%e <= Gain linear term <= %e",GainA1LowLimit(),GainA1HighLimit()) << endl;
406 cout << Form("%e <= Gain quadratic term <= %e",GainA2LowLimit(),GainA2HighLimit()) << endl;
407 cout << Form("%5.0f <= Gain threshold term <= %5.0f",GainThresLowLimit(),GainThresHighLimit()) << endl;
409 cout << Form("And we cut on charge >= %7.2f x ( pedestal sigma ) ",ChargeSigmaCut()) << endl;
411 cout<<"\t----------------------------------------------"<<endl<<endl;
415 //_____________________________________________________________________________
417 AliMUONRecoParam::SetDefaultLimits()
419 /// Set the default limits and pad goodness policy
421 fHVSt12Limits[0]=1500;
422 fHVSt12Limits[1]=2000;
424 fHVSt345Limits[0]=1500;
425 fHVSt345Limits[1]=2000;
427 fPedMeanLimits[0] = 50;
428 fPedMeanLimits[1] = 1024;
430 fPedSigmaLimits[0] = 0.1;
431 fPedSigmaLimits[1] = 100;
433 fGainA1Limits[0] = 0.1;
434 fGainA1Limits[1] = 10;
436 fGainA2Limits[0] = -1E30;
437 fGainA2Limits[1] = 1E30;
439 fGainThresLimits[0] = 0;
440 fGainThresLimits[1] = 4095;
442 fPadGoodnessMask = 0x8080;
444 fChargeSigmaCut = 4.0;