44347160 |
1 | /************************************************************************** |
572f41f9 |
2 | * Copyright(c) 2007-2009, ALICE Experiment at CERN, All rights reserved. * |
44347160 |
3 | * * |
4 | * Author: The ALICE Off-line Project. * |
5 | * Contributors are mentioned in the code where appropriate. * |
6 | * * |
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 | **************************************************************************/ |
15 | |
572f41f9 |
16 | #include "AliITSRecoParam.h" |
17 | |
18 | /* $Id$ */ |
44347160 |
19 | |
20 | /////////////////////////////////////////////////////////////////////////////// |
21 | // // |
22 | // Class with ITS reconstruction parameters // |
23 | // Origin: andrea.dainese@lnl.infn.it // |
24 | // // |
25 | /////////////////////////////////////////////////////////////////////////////// |
26 | |
27 | |
44347160 |
28 | |
29 | ClassImp(AliITSRecoParam) |
30 | |
e50912db |
31 | const Int_t AliITSRecoParam::fgkLayersNotToSkip[AliITSgeomTGeo::kNLayers]={0,0,0,0,0,0}; |
32 | const Int_t AliITSRecoParam::fgkLastLayerToTrackTo=0; |
33 | const Int_t AliITSRecoParam::fgkMaxDetectorPerLayer=1000; |
34 | const Double_t AliITSRecoParam::fgkriw=80.0; |
35 | const Double_t AliITSRecoParam::fgkdiw=0.0053; |
36 | const Double_t AliITSRecoParam::fgkX0iw=30.0; |
37 | const Double_t AliITSRecoParam::fgkrcd=61.0; |
38 | const Double_t AliITSRecoParam::fgkdcd=0.0053; |
39 | const Double_t AliITSRecoParam::fgkX0cd=30.0; |
40 | const Double_t AliITSRecoParam::fgkyr=12.8; |
41 | const Double_t AliITSRecoParam::fgkdr=0.03; |
42 | const Double_t AliITSRecoParam::fgkzm=0.2; |
43 | const Double_t AliITSRecoParam::fgkdm=0.40; |
44 | const Double_t AliITSRecoParam::fgkrs=50.0; |
45 | const Double_t AliITSRecoParam::fgkds=0.001; |
46 | const Double_t AliITSRecoParam::fgkrInsideITSscreen=49.0; |
47 | const Double_t AliITSRecoParam::fgkrInsideSPD1=3.7; |
48 | const Double_t AliITSRecoParam::fgkrPipe=3.; |
49 | const Double_t AliITSRecoParam::fgkrInsidePipe=2.7; |
50 | const Double_t AliITSRecoParam::fgkrOutsidePipe=3.3; |
51 | const Double_t AliITSRecoParam::fgkdPipe=0.0028; |
52 | const Double_t AliITSRecoParam::fgkrInsideShield[2]={7.5,25.0}; |
53 | const Double_t AliITSRecoParam::fgkrOutsideShield[2]={10.5,30.0}; |
54 | const Double_t AliITSRecoParam::fgkdshield[2]={0.0097,0.0034}; |
55 | const Double_t AliITSRecoParam::fgkX0shield[2]={38.6,42.0}; |
56 | const Double_t AliITSRecoParam::fgkX0Air=21.82; |
57 | const Double_t AliITSRecoParam::fgkX0Be=65.19; |
58 | const Double_t AliITSRecoParam::fgkBoundaryWidth=0.2; |
59 | const Double_t AliITSRecoParam::fgkDeltaXNeighbDets=0.5; |
60 | const Double_t AliITSRecoParam::fgkSPDdetzlength=6.960; // 7.072-2*0.056 |
61 | const Double_t AliITSRecoParam::fgkSPDdetxlength=1.298; // 1.410-2*0.056 |
44347160 |
62 | |
63 | //_____________________________________________________________________________ |
6518a6c5 |
64 | AliITSRecoParam::AliITSRecoParam() : AliDetectorRecoParam(), |
e50912db |
65 | fMaxSnp(1.), |
572f41f9 |
66 | fNSigmaYLayerForRoadY(0), |
67 | fNSigmaRoadY(0), |
68 | fNSigmaZLayerForRoadZ(0), |
69 | fNSigmaRoadZ(0), |
70 | fNSigma2RoadZC(0), |
71 | fNSigma2RoadYC(0), |
72 | fNSigma2RoadZNonC(0), |
73 | fNSigma2RoadYNonC(0), |
74 | fMaxNormChi2NonCForHypothesis(0), |
75 | fMaxChi2(0), |
76 | fMaxRoad(0), |
77 | fMaxChi2In(0), |
78 | fChi2PerCluster(0), |
79 | fXV(0), |
80 | fYV(0), |
81 | fZV(0), |
82 | fSigmaXV(0), |
83 | fSigmaYV(0), |
84 | fSigmaZV(0), |
85 | fVertexCut(0), |
86 | fMaxDZforPrimTrk(0), |
87 | fMaxDZToUseConstraint(0), |
88 | fMaxDforV0dghtrForProlongation(0), |
89 | fMaxDForProlongation(0), |
90 | fMaxDZForProlongation(0), |
91 | fMinPtForProlongation(0), |
6518a6c5 |
92 | fAddVirtualClustersInDeadZone(kFALSE), |
572f41f9 |
93 | fZWindowDeadZone(0), |
94 | fSigmaXDeadZoneHit2(0), |
95 | fSigmaZDeadZoneHit2(0), |
96 | fXPassDeadZoneHits(0), |
6518a6c5 |
97 | fUseTGeoInTracker(3), |
572f41f9 |
98 | fAllowSharedClusters(kTRUE), |
e50912db |
99 | fClusterErrorsParam(1), |
4a66240a |
100 | fComputePlaneEff(kFALSE), |
5fbd4fd6 |
101 | fHistoPlaneEff(kFALSE), |
275a301c |
102 | fReadPlaneEffFromOCDB(kFALSE), |
2755f080 |
103 | fExtendedEtaAcceptance(kFALSE), |
6518a6c5 |
104 | fUseDeadZonesFromOCDB(kFALSE), |
ae00569a |
105 | fAllowProlongationWithEmptyRoad(kFALSE), |
2755f080 |
106 | fFactorSAWindowSizes(1.), |
c7d6d7b7 |
107 | fNLoopsSA(33), |
108 | fMinPhiSA(0.002), |
109 | fMaxPhiSA(0.0145), |
110 | fMinLambdaSA(0.003), |
111 | fMaxLambdaSA(0.008), |
5a03f353 |
112 | fSAOnePointTracks(kFALSE), |
113 | fSAUseAllClusters(kFALSE), |
6518a6c5 |
114 | fFindV0s(kTRUE), |
115 | fUseUnfoldingInClusterFinderSPD(kFALSE), |
116 | fUseUnfoldingInClusterFinderSDD(kTRUE), |
a86176e3 |
117 | fUseUnfoldingInClusterFinderSSD(kTRUE), |
118 | fUseChargeMatchingInClusterFinderSSD(kTRUE) |
44347160 |
119 | { |
120 | // |
121 | // constructor |
122 | // |
6518a6c5 |
123 | SetName("ITS"); |
124 | SetTitle("ITS"); |
125 | |
44347160 |
126 | SetLayersParameters(); |
2755f080 |
127 | for(Int_t i=0; i<AliITSgeomTGeo::kNLayers; i++) fLayersToSkip[i]=0; |
6518a6c5 |
128 | SetUseTGeoInTracker(3); |
afd25725 |
129 | SetAllowSharedClusters(kTRUE); |
130 | SetFindV0s(kTRUE); |
6518a6c5 |
131 | SetAddVirtualClustersInDeadZone(kFALSE); |
572f41f9 |
132 | SetUseAmplitudeInfo(kTRUE); |
e50912db |
133 | SetClusterErrorsParam(1); |
44347160 |
134 | } |
135 | //_____________________________________________________________________________ |
136 | AliITSRecoParam::~AliITSRecoParam() |
137 | { |
138 | // |
139 | // destructor |
140 | // |
141 | } |
142 | //_____________________________________________________________________________ |
143 | AliITSRecoParam *AliITSRecoParam::GetHighFluxParam() |
144 | { |
145 | // |
146 | // make default reconstruction parameters for hig flux env. |
147 | // |
148 | AliITSRecoParam *param = new AliITSRecoParam(); |
149 | |
150 | param->fMaxSnp = 0.95; |
151 | |
152 | param->fNSigmaYLayerForRoadY = 4.; |
153 | param->fNSigmaRoadY = 7.5; |
154 | param->fNSigmaZLayerForRoadZ = 4.; |
155 | param->fNSigmaRoadZ = 7.5; |
156 | |
157 | param->fNSigma2RoadZC = 60.; //7.75^2 |
158 | param->fNSigma2RoadYC = 60.; //7.75^2 |
159 | param->fNSigma2RoadZNonC = 50.; //7.07^2 |
160 | param->fNSigma2RoadYNonC = 50.; //7.07^2 |
161 | |
162 | param->fMaxChi2PerCluster[0] = 11.; //7 |
163 | param->fMaxChi2PerCluster[1] = 12.; //5 |
164 | param->fMaxChi2PerCluster[2] = 12.; //8 |
165 | param->fMaxChi2PerCluster[3] = 5.; //8 |
166 | param->fMaxChi2PerCluster[4] = 12.; //6.5 |
167 | |
168 | param->fMaxNormChi2NonC[0] = 7.; |
169 | param->fMaxNormChi2NonC[1] = 8.; |
170 | param->fMaxNormChi2NonC[2] = 8.; |
171 | param->fMaxNormChi2NonC[3] = 11.; |
172 | param->fMaxNormChi2NonC[4] = 14.; |
173 | param->fMaxNormChi2NonC[5] = 25.; |
174 | |
175 | param->fMaxNormChi2C[0] = 11.; |
176 | param->fMaxNormChi2C[1] = 13.; |
177 | param->fMaxNormChi2C[2] = 15.; |
178 | param->fMaxNormChi2C[3] = 18.; |
179 | param->fMaxNormChi2C[4] = 30.; |
180 | param->fMaxNormChi2C[5] = 35.; |
afd25725 |
181 | |
182 | param->fMaxNormChi2NonCForHypothesis = 7.; |
44347160 |
183 | |
184 | param->fMaxChi2 = 35.; |
185 | |
186 | param->fMaxChi2s[0] = 25.; //40 |
187 | param->fMaxChi2s[1] = 25.; //40 |
188 | param->fMaxChi2s[2] = 25.; //40 |
189 | param->fMaxChi2s[3] = 25.; //40 |
190 | param->fMaxChi2s[4] = 40.; //40 |
191 | param->fMaxChi2s[5] = 50.; //40 |
192 | |
193 | param->fMaxRoad = 6.; |
194 | |
195 | // not used |
196 | param->fMaxChi2In = 16.; |
197 | |
198 | param->fMaxChi2sR[0] = 10.; |
199 | param->fMaxChi2sR[1] = 10.; |
200 | param->fMaxChi2sR[2] = 10.; |
201 | param->fMaxChi2sR[3] = 10.; |
202 | param->fMaxChi2sR[4] = 30.; |
203 | param->fMaxChi2sR[5] = 40.; |
204 | |
205 | param->fChi2PerCluster = 9.; |
206 | // not used |
207 | |
208 | param->fXV = 0.; |
209 | param->fYV = 0.; |
210 | param->fZV = 0.; |
211 | param->fSigmaXV = 0.0050; |
212 | param->fSigmaYV = 0.0050; |
213 | param->fSigmaZV = 0.0100; |
214 | |
215 | param->fVertexCut = 25.; |
afd25725 |
216 | |
217 | param->fMaxDZforPrimTrk = 0.4; |
218 | param->fMaxDZToUseConstraint = 3.; |
219 | |
220 | param->fMaxDforV0dghtrForProlongation = 30.; |
6518a6c5 |
221 | param->fMaxDForProlongation = 40.;//10.; |
222 | param->fMaxDZForProlongation = 60.;//20.; |
afd25725 |
223 | param->fMinPtForProlongation = 0.120; |
224 | |
225 | param->fZWindowDeadZone = 2.0; |
226 | param->fSigmaXDeadZoneHit2 = 0.004/12.; |
227 | param->fSigmaZDeadZoneHit2 = 0.001/12.; |
228 | param->fXPassDeadZoneHits = 0.018; |
44347160 |
229 | |
230 | return param; |
231 | } |
232 | //_____________________________________________________________________________ |
233 | AliITSRecoParam *AliITSRecoParam::GetLowFluxParam() |
234 | { |
235 | // |
236 | // make default reconstruction parameters for low flux env. |
237 | // |
c7d6d7b7 |
238 | AliITSRecoParam *param = new AliITSRecoParam(); |
239 | |
240 | param->fMaxSnp = 0.95; |
241 | |
242 | param->fNSigmaYLayerForRoadY = 4.; |
243 | param->fNSigmaRoadY = 7.5; |
244 | param->fNSigmaZLayerForRoadZ = 4.; |
245 | param->fNSigmaRoadZ = 7.5; |
246 | |
247 | param->fNSigma2RoadZC = 60.; //7.75^2 |
248 | param->fNSigma2RoadYC = 60.; //7.75^2 |
249 | param->fNSigma2RoadZNonC = 50.; //7.07^2 |
250 | param->fNSigma2RoadYNonC = 50.; //7.07^2 |
251 | |
252 | param->fMaxChi2PerCluster[0] = 11.; //7 |
253 | param->fMaxChi2PerCluster[1] = 12.; //5 |
254 | param->fMaxChi2PerCluster[2] = 12.; //8 |
255 | param->fMaxChi2PerCluster[3] = 5.; //8 |
256 | param->fMaxChi2PerCluster[4] = 12.; //6.5 |
257 | |
258 | param->fMaxNormChi2NonC[0] = 7.; |
259 | param->fMaxNormChi2NonC[1] = 8.; |
260 | param->fMaxNormChi2NonC[2] = 8.; |
261 | param->fMaxNormChi2NonC[3] = 11.; |
262 | param->fMaxNormChi2NonC[4] = 14.; |
263 | param->fMaxNormChi2NonC[5] = 25.; |
264 | |
265 | param->fMaxNormChi2C[0] = 11.; |
266 | param->fMaxNormChi2C[1] = 13.; |
267 | param->fMaxNormChi2C[2] = 15.; |
268 | param->fMaxNormChi2C[3] = 18.; |
269 | param->fMaxNormChi2C[4] = 30.; |
270 | param->fMaxNormChi2C[5] = 35.; |
271 | |
272 | param->fMaxNormChi2NonCForHypothesis = 7.; |
273 | |
274 | param->fMaxChi2 = 35.; |
275 | |
276 | param->fMaxChi2s[0] = 25.; //40 |
277 | param->fMaxChi2s[1] = 25.; //40 |
278 | param->fMaxChi2s[2] = 25.; //40 |
279 | param->fMaxChi2s[3] = 25.; //40 |
280 | param->fMaxChi2s[4] = 40.; //40 |
281 | param->fMaxChi2s[5] = 50.; //40 |
282 | |
283 | param->fMaxRoad = 6.; |
284 | |
285 | // not used |
286 | param->fMaxChi2In = 16.; |
287 | |
288 | param->fMaxChi2sR[0] = 10.; |
289 | param->fMaxChi2sR[1] = 10.; |
290 | param->fMaxChi2sR[2] = 10.; |
291 | param->fMaxChi2sR[3] = 10.; |
292 | param->fMaxChi2sR[4] = 30.; |
293 | param->fMaxChi2sR[5] = 40.; |
294 | |
295 | param->fChi2PerCluster = 9.; |
296 | // not used |
297 | |
298 | param->fXV = 0.; |
299 | param->fYV = 0.; |
300 | param->fZV = 0.; |
301 | param->fSigmaXV = 0.0050; |
302 | param->fSigmaYV = 0.0050; |
303 | param->fSigmaZV = 0.0100; |
304 | |
305 | param->fVertexCut = 25.; |
306 | |
307 | param->fMaxDZforPrimTrk = 0.4; |
308 | param->fMaxDZToUseConstraint = 3.; |
309 | |
310 | param->fMaxDforV0dghtrForProlongation = 30.; |
311 | param->fMaxDForProlongation = 40.;//10.; |
312 | param->fMaxDZForProlongation = 60.;//20.; |
313 | param->fMinPtForProlongation = 0.120; |
314 | |
315 | param->fZWindowDeadZone = 2.0; |
316 | param->fSigmaXDeadZoneHit2 = 0.004/12.; |
317 | param->fSigmaZDeadZoneHit2 = 0.001/12.; |
318 | param->fXPassDeadZoneHits = 0.018; |
319 | param->SetNLoopsSA(10); |
320 | |
321 | return param; |
44347160 |
322 | } |
323 | //_____________________________________________________________________________ |
324 | AliITSRecoParam *AliITSRecoParam::GetCosmicTestParam() |
325 | { |
326 | // |
327 | // make default reconstruction parameters for cosmics |
328 | // |
e340bb86 |
329 | AliITSRecoParam *param = new AliITSRecoParam(); |
330 | |
2755f080 |
331 | // larger seach windows for SA (in case of large misalignments) |
332 | param->SetFactorSAWindowSizes(3.); |
e340bb86 |
333 | |
334 | param->fMaxSnp = 0.95; |
335 | |
336 | param->fNSigmaYLayerForRoadY = 4.; |
337 | param->fNSigmaRoadY = 7.5; |
338 | param->fNSigmaZLayerForRoadZ = 4.; |
339 | param->fNSigmaRoadZ = 7.5; |
340 | |
341 | param->fNSigma2RoadZC = 60.; //7.75^2 |
342 | param->fNSigma2RoadYC = 60.; //7.75^2 |
343 | param->fNSigma2RoadZNonC = 50.; //7.07^2 |
344 | param->fNSigma2RoadYNonC = 50.; //7.07^2 |
345 | |
346 | param->fMaxChi2PerCluster[0] = 11.; //7 |
347 | param->fMaxChi2PerCluster[1] = 12.; //5 |
348 | param->fMaxChi2PerCluster[2] = 12.; //8 |
349 | param->fMaxChi2PerCluster[3] = 5.; //8 |
350 | param->fMaxChi2PerCluster[4] = 12.; //6.5 |
351 | |
352 | param->fMaxNormChi2NonC[0] = 7.; |
353 | param->fMaxNormChi2NonC[1] = 8.; |
354 | param->fMaxNormChi2NonC[2] = 8.; |
355 | param->fMaxNormChi2NonC[3] = 11.; |
356 | param->fMaxNormChi2NonC[4] = 14.; |
357 | param->fMaxNormChi2NonC[5] = 25.; |
358 | |
359 | param->fMaxNormChi2C[0] = 11.; |
360 | param->fMaxNormChi2C[1] = 13.; |
361 | param->fMaxNormChi2C[2] = 15.; |
362 | param->fMaxNormChi2C[3] = 18.; |
363 | param->fMaxNormChi2C[4] = 30.; |
364 | param->fMaxNormChi2C[5] = 35.; |
365 | |
366 | param->fMaxNormChi2NonCForHypothesis = 7.; |
367 | |
368 | param->fMaxChi2 = 35.; |
369 | |
370 | param->fMaxChi2s[0] = 25.; //40 |
371 | param->fMaxChi2s[1] = 25.; //40 |
372 | param->fMaxChi2s[2] = 25.; //40 |
373 | param->fMaxChi2s[3] = 25.; //40 |
374 | param->fMaxChi2s[4] = 40.; //40 |
375 | param->fMaxChi2s[5] = 50.; //40 |
376 | |
377 | param->fMaxRoad = 6.; |
378 | |
379 | // not used |
380 | param->fMaxChi2In = 16.; |
381 | |
382 | param->fMaxChi2sR[0] = 10.; |
383 | param->fMaxChi2sR[1] = 10.; |
384 | param->fMaxChi2sR[2] = 10.; |
385 | param->fMaxChi2sR[3] = 10.; |
386 | param->fMaxChi2sR[4] = 30.; |
387 | param->fMaxChi2sR[5] = 40.; |
388 | |
389 | param->fChi2PerCluster = 9.; |
390 | // not used |
391 | |
392 | param->fXV = 0.; |
393 | param->fYV = 0.; |
394 | param->fZV = 0.; |
395 | param->fSigmaXV = 0.0050; |
396 | param->fSigmaYV = 0.0050; |
397 | param->fSigmaZV = 0.0100; |
398 | |
399 | param->fVertexCut = 25.; |
400 | |
401 | param->fMaxDZforPrimTrk = 0.4; |
402 | param->fMaxDZToUseConstraint = 3.; |
403 | |
404 | param->fMaxDforV0dghtrForProlongation = 30.; |
405 | param->fMaxDForProlongation = 10.; |
406 | param->fMaxDZForProlongation = 20.; |
407 | param->fMinPtForProlongation = 0.120; |
408 | |
409 | param->fZWindowDeadZone = 2.0; |
410 | param->fSigmaXDeadZoneHit2 = 0.004/12.; |
411 | param->fSigmaZDeadZoneHit2 = 0.001/12.; |
412 | param->fXPassDeadZoneHits = 0.018; |
413 | |
414 | |
415 | return param; |
44347160 |
416 | } |
417 | //_____________________________________________________________________________ |
ae00569a |
418 | AliITSRecoParam *AliITSRecoParam::GetPlaneEffParam(Int_t i) |
419 | { |
420 | // |
421 | // make special reconstruction parameters for Plane Efficiency study on layer i |
422 | // |
423 | AliITSRecoParam *param; |
424 | param = GetHighFluxParam(); |
425 | param->SetComputePlaneEff(); |
426 | param->SetLayerToSkip(i); |
427 | return param; |
428 | } |
429 | //_____________________________________________________________________________ |
44347160 |
430 | void AliITSRecoParam::SetLayersParameters() |
431 | { |
432 | // |
433 | // number of layers and layers spatial resolutions |
434 | // |
435 | |
436 | // spatial resolutions of the detectors |
437 | // y: 12 12 38 38 20 20 micron |
438 | fSigmaY2[0]=1.44e-6; |
439 | fSigmaY2[1]=1.44e-6; |
440 | fSigmaY2[2]=1.444e-5; |
441 | fSigmaY2[3]=1.444e-5; |
442 | fSigmaY2[4]=4.0e-6; |
443 | fSigmaY2[5]=4.0e-6; |
444 | // z: 120 120 28 28 830 830 micron |
445 | fSigmaZ2[0]=1.44e-4; |
446 | fSigmaZ2[1]=1.44e-4; |
447 | fSigmaZ2[2]=7.84e-6; |
448 | fSigmaZ2[3]=7.84e-6; |
449 | fSigmaZ2[4]=6.889e-3; |
450 | fSigmaZ2[5]=6.889e-3; |
451 | |
452 | return; |
453 | } |