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010eb601 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
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 | ||
16 | /* $Id$ */ | |
17 | ||
18 | //----------------------------------------------------------------------------- | |
c25af45b | 19 | /// \class AliMUONAlignment |
56218672 | 20 | /// Alignment class for the ALICE DiMuon spectrometer |
010eb601 | 21 | /// |
56218672 | 22 | /// MUON specific alignment class which interface to AliMillepede. |
010eb601 | 23 | /// For each track ProcessTrack calculates the local and global derivatives |
96ebe67e | 24 | /// at each cluster and fill the corresponding local equations. Provide methods |
56218672 | 25 | /// for fixing or constraining detection elements for best results. |
010eb601 | 26 | /// |
27 | /// \author Bruce Becker, Javier Castillo | |
28 | //----------------------------------------------------------------------------- | |
29 | ||
30 | #include "AliMUONAlignment.h" | |
31 | #include "AliMUONTrack.h" | |
010eb601 | 32 | #include "AliMUONTrackParam.h" |
96ebe67e | 33 | #include "AliMUONVCluster.h" |
010eb601 | 34 | #include "AliMUONGeometryTransformer.h" |
35 | #include "AliMUONGeometryModuleTransformer.h" | |
36 | #include "AliMUONGeometryDetElement.h" | |
010eb601 | 37 | #include "AliMUONGeometryBuilder.h" |
010eb601 | 38 | #include "AliMillepede.h" |
39 | ||
8c95578a | 40 | #include "AliMpExMap.h" |
630711ed | 41 | #include "AliMpExMapIterator.h" |
8c95578a | 42 | |
4818a9b7 | 43 | #include "AliAlignObjMatrix.h" |
8c95578a | 44 | #include "AliLog.h" |
45 | ||
2060b217 | 46 | #include "TMath.h" |
4818a9b7 | 47 | #include "TMatrixDSym.h" |
ce8cd162 | 48 | #include "TClonesArray.h" |
8c95578a | 49 | |
78649106 | 50 | /// \cond CLASSIMP |
010eb601 | 51 | ClassImp(AliMUONAlignment) |
78649106 | 52 | /// \endcond |
53 | ||
56218672 | 54 | //_____________________________________________________________________ |
55 | // static variables | |
56 | Int_t AliMUONAlignment::fgNDetElem = 4*2+4*2+18*2+26*2+26*2; | |
57 | Int_t AliMUONAlignment::fgNDetElemCh[10] = {4,4,4,4,18,18,26,26,26,26}; | |
58 | Int_t AliMUONAlignment::fgSNDetElemCh[10] = {4,8,12,16,34,52,78,104,130,156}; | |
59 | Int_t AliMUONAlignment::fgNParCh = 4; | |
60 | Int_t AliMUONAlignment::fgNTrkMod = 16; | |
61 | Int_t AliMUONAlignment::fgNCh = 10; | |
62 | Int_t AliMUONAlignment::fgNSt = 5; | |
63 | ||
64 | //_____________________________________________________________________ | |
65 | AliMUONAlignment::AliMUONAlignment() | |
8395bff1 | 66 | : TObject(), |
67 | fBFieldOn(kTRUE), | |
56218672 | 68 | fStartFac(256.), |
69 | fResCutInitial(100.), | |
8395bff1 | 70 | fResCut(100.), |
71 | fMillepede(0), | |
8395bff1 | 72 | fTrack(0), |
96ebe67e | 73 | fCluster(0), |
8395bff1 | 74 | fTrackParam(0), |
75 | fNGlobal(fgNDetElem*fgNParCh), | |
76 | fNLocal(4), | |
77 | fNStdDev(3), | |
78 | fDetElemId(0), | |
79 | fDetElemNumber(0), | |
80 | fPhi(0.), | |
81 | fCosPhi(1.), | |
82 | fSinPhi(0.), | |
56218672 | 83 | fTrackRecord(), |
8395bff1 | 84 | fTransform(0) |
010eb601 | 85 | { |
56218672 | 86 | |
87 | fSigma[0] = 1.5e-1; | |
010eb601 | 88 | fSigma[1] = 1.0e-2; |
010eb601 | 89 | |
64e2c144 | 90 | AliInfo(Form("fSigma[0]: %f\t fSigma[1]: %f",fSigma[0],fSigma[1])); |
91 | ||
723b0b5b | 92 | fDoF[0] = kTRUE; fDoF[1] = kTRUE; fDoF[2] = kTRUE; fDoF[3] = kTRUE; |
93 | fAllowVar[0] = 0.05; fAllowVar[1] = 0.05; fAllowVar[2] = 0.001; fAllowVar[3] = 0.5; | |
56218672 | 94 | |
010eb601 | 95 | AliInfo(Form("fAllowVar[0]: %f\t fAllowVar[1]: %f\t fPhi: %f\t fgNDetElem: %i\t fNGlobal: %i\t fNLocal: %i",fAllowVar[0],fAllowVar[1],fPhi,fgNDetElem,fNGlobal,fNLocal)); |
96 | ||
97 | fMillepede = new AliMillepede(); | |
98 | ||
99 | Init(fNGlobal, fNLocal, fNStdDev); | |
100 | ||
101 | ResetLocalEquation(); | |
102 | AliInfo("Parameters initialized to zero"); | |
103 | ||
104 | } | |
105 | ||
d9426e3f | 106 | //_____________________________________________________________________ |
107 | AliMUONAlignment::AliMUONAlignment(TRootIOCtor* /*dummy*/) | |
108 | : TObject(), | |
109 | fBFieldOn(kFALSE), | |
110 | fStartFac(0.), | |
111 | fResCutInitial(0.), | |
112 | fResCut(0.), | |
113 | fMillepede(0), | |
114 | fTrack(0), | |
115 | fCluster(0), | |
116 | fTrackParam(0), | |
117 | fNGlobal(0), | |
118 | fNLocal(0), | |
119 | fNStdDev(0), | |
120 | fDetElemId(0), | |
121 | fDetElemNumber(0), | |
122 | fPhi(0.), | |
123 | fCosPhi(0.), | |
124 | fSinPhi(0.), | |
125 | fTrackRecord(), | |
126 | fTransform(0) | |
127 | { | |
7fb4730e | 128 | /// Root IO constructor |
129 | ResetConstraints(); | |
130 | for (Int_t iCh=0; iCh<10; iCh++) { | |
131 | fChOnOff[iCh] = kFALSE; | |
132 | } | |
133 | fSpecLROnOff[0] = kFALSE; fSpecLROnOff[1] = kFALSE; | |
134 | for (Int_t iDoF=0; iDoF<4; iDoF++) { | |
135 | fDoF[iDoF] = kFALSE; | |
136 | fAllowVar[iDoF] = kFALSE; | |
137 | } | |
138 | for (Int_t i=0; i<3; i++) { | |
139 | fClustPos[i] = 0; | |
140 | fClustPosLoc[i] = 0; | |
141 | fTrackPos0[i] = 0; | |
142 | fTrackPos[i] = 0; | |
143 | fTrackPosLoc[i] = 0; | |
144 | } | |
145 | fTrackSlope0[0]=0; fTrackSlope0[1]=0; | |
146 | fTrackSlope[0]=0; fTrackSlope[1]=0; | |
147 | fMeas[0]=0; fMeas[1]=0; | |
148 | fSigma[0]=0; fSigma[1]=0; | |
149 | for (Int_t iLPar=0; iLPar<4; iLPar++) { | |
150 | fLocalDerivatives[iLPar]=0; | |
151 | } | |
152 | for (Int_t iGPar=0; iGPar<624; iGPar++) { | |
153 | fLocalDerivatives[iGPar]=0; | |
154 | } | |
d9426e3f | 155 | } |
156 | ||
56218672 | 157 | //_____________________________________________________________________ |
158 | AliMUONAlignment::~AliMUONAlignment() | |
159 | {} | |
010eb601 | 160 | |
56218672 | 161 | //_____________________________________________________________________ |
162 | void AliMUONAlignment::Init( | |
163 | Int_t nGlobal, /* number of global paramers */ | |
164 | Int_t nLocal, /* number of local parameters */ | |
165 | Int_t nStdDev /* std dev cut */ ) | |
010eb601 | 166 | { |
167 | /// Initialization of AliMillepede. Fix parameters, define constraints ... | |
168 | fMillepede->InitMille(nGlobal,nLocal,nStdDev,fResCut,fResCutInitial); | |
169 | ||
56218672 | 170 | // Bool_t bStOnOff[5] = {kTRUE,kTRUE,kTRUE,kTRUE,kTRUE}; |
171 | // Bool_t bChOnOff[10] = {kTRUE,kTRUE,kTRUE,kTRUE,kTRUE,kTRUE,kTRUE,kTRUE,kTRUE,kTRUE}; | |
172 | // Bool_t bSpecLROnOff[2] = {kTRUE,kTRUE}; | |
010eb601 | 173 | |
56218672 | 174 | // AllowVariations(bChOnOff); |
010eb601 | 175 | |
176 | // Fix parameters or add constraints here | |
56218672 | 177 | // for (Int_t iSt=0; iSt<5; iSt++) |
178 | // { if (!bStOnOff[iSt]) FixStation(iSt+1); } | |
179 | ||
180 | // for (Int_t iCh=0; iCh<10; iCh++) | |
181 | // { if (!bChOnOff[iCh]) FixChamber(iCh+1); } | |
010eb601 | 182 | |
d8ad38e5 | 183 | // FixHalfSpectrometer(bChOnOff,bSpecLROnOff); |
3b2890be | 184 | |
010eb601 | 185 | ResetConstraints(); |
56218672 | 186 | |
3b2890be | 187 | // Define global constrains to be applied |
188 | // X, Y, P, XvsZ, YvsZ, PvsZ, XvsY, YvsY, PvsY | |
189 | Bool_t bVarXYT[9] = {kTRUE,kTRUE,kTRUE,kTRUE,kTRUE,kTRUE,kTRUE,kTRUE,kTRUE}; | |
190 | Bool_t bDetTLBR[4] = {kFALSE,kTRUE,kFALSE,kTRUE}; | |
191 | // AddConstraints(bStOnOff,bVarXYT,bDetTLBR,bSpecLROnOff); | |
192 | ||
193 | // Other possible way to add constrains | |
010eb601 | 194 | bVarXYT[0] = kFALSE; bVarXYT[1] = kFALSE; bVarXYT[2] = kTRUE; |
195 | bDetTLBR[0] = kFALSE; bDetTLBR[1] = kTRUE; bDetTLBR[2] = kFALSE; bDetTLBR[3] = kFALSE; | |
56218672 | 196 | // AddConstraints(bStOnOff,bVarXYT,bDetTLBR); |
3b2890be | 197 | |
198 | bVarXYT[0] = kTRUE; bVarXYT[1] = kTRUE; bVarXYT[2] = kFALSE; | |
199 | // AddConstraints(bStOnOff,bVarXYT); | |
56218672 | 200 | |
010eb601 | 201 | // Set iterations |
56218672 | 202 | if (fStartFac>1) fMillepede->SetIterations(fStartFac); |
010eb601 | 203 | } |
204 | ||
56218672 | 205 | //_____________________________________________________________________ |
206 | void AliMUONAlignment::FixStation(Int_t iSt) | |
207 | { | |
010eb601 | 208 | /// Fix all detection elements of station iSt |
56218672 | 209 | Int_t iDetElemFirst = (iSt>1) ? fgSNDetElemCh[2*(iSt-1)-1] : 0; |
210 | Int_t iDetElemLast = fgSNDetElemCh[2*(iSt)-1]; | |
211 | for (Int_t i = iDetElemFirst; i < iDetElemLast; i++) | |
212 | { | |
010eb601 | 213 | FixParameter(i*fgNParCh+0, 0.0); |
214 | FixParameter(i*fgNParCh+1, 0.0); | |
215 | FixParameter(i*fgNParCh+2, 0.0); | |
723b0b5b | 216 | FixParameter(i*fgNParCh+3, 0.0); |
010eb601 | 217 | } |
56218672 | 218 | |
010eb601 | 219 | } |
220 | ||
56218672 | 221 | //_____________________________________________________________________ |
222 | void AliMUONAlignment::FixChamber(Int_t iCh) | |
223 | { | |
d8ad38e5 | 224 | /// Fix all detection elements of chamber iCh |
56218672 | 225 | Int_t iDetElemFirst = (iCh>1) ? fgSNDetElemCh[iCh-2] : 0; |
226 | Int_t iDetElemLast = fgSNDetElemCh[iCh-1]; | |
227 | for (Int_t i = iDetElemFirst; i < iDetElemLast; i++) | |
228 | { | |
d8ad38e5 | 229 | FixParameter(i*fgNParCh+0, 0.0); |
230 | FixParameter(i*fgNParCh+1, 0.0); | |
231 | FixParameter(i*fgNParCh+2, 0.0); | |
723b0b5b | 232 | FixParameter(i*fgNParCh+3, 0.0); |
233 | } | |
234 | } | |
235 | ||
56218672 | 236 | //_____________________________________________________________________ |
237 | void AliMUONAlignment::FixDetElem(Int_t iDetElemId, TString sVarXYT) | |
238 | { | |
239 | ||
723b0b5b | 240 | /// Fix a given detection element |
241 | Int_t iDetElemNumber = iDetElemId%100; | |
56218672 | 242 | for (int iCh=0; iCh<iDetElemId/100-1; iCh++) |
243 | { | |
723b0b5b | 244 | iDetElemNumber += fgNDetElemCh[iCh]; |
245 | } | |
56218672 | 246 | |
247 | if (sVarXYT.Contains("X")) | |
248 | { | |
249 | // X constraint | |
723b0b5b | 250 | FixParameter(iDetElemNumber*fgNParCh+0, 0.0); |
251 | } | |
56218672 | 252 | |
253 | if (sVarXYT.Contains("Y")) | |
254 | { | |
255 | // Y constraint | |
723b0b5b | 256 | FixParameter(iDetElemNumber*fgNParCh+1, 0.0); |
257 | } | |
56218672 | 258 | |
259 | if (sVarXYT.Contains("T")) | |
260 | { | |
261 | // T constraint | |
723b0b5b | 262 | FixParameter(iDetElemNumber*fgNParCh+2, 0.0); |
263 | } | |
56218672 | 264 | |
265 | if (sVarXYT.Contains("Z")) | |
266 | { | |
267 | // T constraint | |
723b0b5b | 268 | FixParameter(iDetElemNumber*fgNParCh+3, 0.0); |
d8ad38e5 | 269 | } |
56218672 | 270 | |
d8ad38e5 | 271 | } |
272 | ||
56218672 | 273 | //_____________________________________________________________________ |
274 | void AliMUONAlignment::FixHalfSpectrometer(const Bool_t *lChOnOff, const Bool_t *lSpecLROnOff) | |
275 | { | |
276 | ||
3b2890be | 277 | /// Fix left or right detector |
56218672 | 278 | for (Int_t i = 0; i < fgNDetElem; i++) |
279 | { | |
280 | ||
3b2890be | 281 | Int_t iCh=0; |
56218672 | 282 | for (iCh=1; iCh<=fgNCh; iCh++) |
283 | { if (i<fgSNDetElemCh[iCh-1]) break; } | |
284 | ||
285 | if (lChOnOff[iCh-1]) | |
286 | { | |
287 | ||
3b2890be | 288 | Int_t lDetElemNumber = (iCh==1) ? i : i-fgSNDetElemCh[iCh-2]; |
56218672 | 289 | if (iCh>=1 && iCh<=4) |
290 | { | |
291 | ||
292 | if ((lDetElemNumber==1 || lDetElemNumber==2) && !lSpecLROnOff[0]) | |
293 | { | |
294 | // From track crossings | |
295 | FixParameter(i*fgNParCh+0, 0.0); | |
296 | FixParameter(i*fgNParCh+1, 0.0); | |
297 | FixParameter(i*fgNParCh+2, 0.0); | |
298 | FixParameter(i*fgNParCh+3, 0.0); | |
299 | } | |
300 | ||
301 | if ((lDetElemNumber==0 || lDetElemNumber==3) && !lSpecLROnOff[1]) | |
302 | { | |
303 | // From track crossings | |
304 | FixParameter(i*fgNParCh+0, 0.0); | |
305 | FixParameter(i*fgNParCh+1, 0.0); | |
306 | FixParameter(i*fgNParCh+2, 0.0); | |
307 | FixParameter(i*fgNParCh+3, 0.0); | |
308 | } | |
309 | ||
3b2890be | 310 | } |
56218672 | 311 | |
312 | if (iCh>=5 && iCh<=6) | |
313 | { | |
314 | ||
315 | if ((lDetElemNumber>=5&&lDetElemNumber<=13) && !lSpecLROnOff[0]) | |
316 | { | |
317 | FixParameter(i*fgNParCh+0, 0.0); | |
318 | FixParameter(i*fgNParCh+1, 0.0); | |
319 | FixParameter(i*fgNParCh+2, 0.0); | |
320 | FixParameter(i*fgNParCh+3, 0.0); | |
321 | } | |
322 | ||
323 | if (((lDetElemNumber>=0&&lDetElemNumber<=4) || | |
324 | (lDetElemNumber>=14&&lDetElemNumber<=17)) && !lSpecLROnOff[1]) | |
325 | { | |
326 | ||
327 | FixParameter(i*fgNParCh+0, 0.0); | |
328 | FixParameter(i*fgNParCh+1, 0.0); | |
329 | FixParameter(i*fgNParCh+2, 0.0); | |
330 | FixParameter(i*fgNParCh+3, 0.0); | |
331 | } | |
332 | ||
3b2890be | 333 | } |
56218672 | 334 | |
335 | if (iCh>=7 && iCh<=10) | |
336 | { | |
337 | ||
338 | if ((lDetElemNumber>=7&&lDetElemNumber<=19) && !lSpecLROnOff[0]) | |
339 | { | |
340 | FixParameter(i*fgNParCh+0, 0.0); | |
341 | FixParameter(i*fgNParCh+1, 0.0); | |
342 | FixParameter(i*fgNParCh+2, 0.0); | |
343 | FixParameter(i*fgNParCh+3, 0.0); | |
344 | } | |
345 | ||
346 | if (((lDetElemNumber>=0&&lDetElemNumber<=6) || | |
347 | (lDetElemNumber>=20&&lDetElemNumber<=25)) && !lSpecLROnOff[1]) | |
348 | { | |
349 | FixParameter(i*fgNParCh+0, 0.0); | |
350 | FixParameter(i*fgNParCh+1, 0.0); | |
351 | FixParameter(i*fgNParCh+2, 0.0); | |
352 | FixParameter(i*fgNParCh+3, 0.0); | |
353 | } | |
354 | ||
3b2890be | 355 | } |
56218672 | 356 | |
3b2890be | 357 | } |
56218672 | 358 | |
3b2890be | 359 | } |
56218672 | 360 | |
3b2890be | 361 | } |
362 | ||
56218672 | 363 | //______________________________________________________________________ |
364 | void AliMUONAlignment::SetNonLinear(const Bool_t *lChOnOff, const Bool_t *lVarXYT) | |
365 | { | |
366 | ||
d8ad38e5 | 367 | /// Set non linear parameter flag selected chambers and degrees of freedom |
56218672 | 368 | for (Int_t i = 0; i < fgNDetElem; i++) |
369 | { | |
370 | ||
010eb601 | 371 | Int_t iCh=0; |
56218672 | 372 | for (iCh=1; iCh<=fgNCh; iCh++) |
373 | { if (i<fgSNDetElemCh[iCh-1]) break; } | |
374 | ||
375 | if (lChOnOff[iCh-1]) | |
376 | { | |
377 | ||
378 | if (lVarXYT[0]) | |
379 | { | |
380 | // X constraint | |
381 | SetNonLinear(i*fgNParCh+0); | |
010eb601 | 382 | } |
56218672 | 383 | |
384 | if (lVarXYT[1]) | |
385 | { | |
386 | // Y constraint | |
387 | SetNonLinear(i*fgNParCh+1); | |
010eb601 | 388 | } |
56218672 | 389 | |
390 | if (lVarXYT[2]) | |
391 | { | |
392 | // T constraint | |
393 | SetNonLinear(i*fgNParCh+2); | |
010eb601 | 394 | } |
56218672 | 395 | |
396 | if (lVarXYT[3]) | |
397 | { | |
398 | // Z constraint | |
399 | SetNonLinear(i*fgNParCh+3); | |
723b0b5b | 400 | } |
56218672 | 401 | |
010eb601 | 402 | } |
56218672 | 403 | |
010eb601 | 404 | } |
56218672 | 405 | |
010eb601 | 406 | } |
407 | ||
56218672 | 408 | //______________________________________________________________________ |
409 | void AliMUONAlignment::AddConstraints(const Bool_t *lChOnOff, const Bool_t *lVarXYT) | |
410 | { | |
411 | ||
412 | /// Add constraint equations for selected chambers and degrees of freedom | |
413 | for (Int_t i = 0; i < fgNDetElem; i++) | |
414 | { | |
415 | ||
010eb601 | 416 | Int_t iCh=0; |
56218672 | 417 | for (iCh=1; iCh<=fgNCh; iCh++) |
418 | { | |
010eb601 | 419 | if (i<fgSNDetElemCh[iCh-1]) break; |
420 | } | |
56218672 | 421 | |
422 | if (lChOnOff[iCh-1]) | |
423 | { | |
424 | if (lVarXYT[0]) | |
425 | { | |
426 | // X constraint | |
427 | fConstraintX[i*fgNParCh+0]=1.0; | |
010eb601 | 428 | } |
56218672 | 429 | |
430 | if (lVarXYT[1]) | |
431 | { | |
432 | // Y constraint | |
433 | fConstraintY[i*fgNParCh+1]=1.0; | |
010eb601 | 434 | } |
56218672 | 435 | |
436 | if (lVarXYT[2]) | |
437 | { | |
438 | // T constraint | |
439 | fConstraintP[i*fgNParCh+2]=1.0; | |
010eb601 | 440 | } |
56218672 | 441 | // if (lVarXYT[3]) { // Z constraint |
442 | // fConstraintP[i*fgNParCh+3]=1.0; | |
443 | // } | |
444 | ||
010eb601 | 445 | } |
446 | } | |
56218672 | 447 | |
448 | if (lVarXYT[0]) | |
449 | { | |
450 | // X constraint | |
010eb601 | 451 | AddConstraint(fConstraintX,0.0); |
452 | } | |
56218672 | 453 | |
454 | if (lVarXYT[1]) | |
455 | { | |
456 | // Y constraint | |
010eb601 | 457 | AddConstraint(fConstraintY,0.0); |
458 | } | |
56218672 | 459 | |
460 | if (lVarXYT[2]) | |
461 | { | |
462 | // T constraint | |
010eb601 | 463 | AddConstraint(fConstraintP,0.0); |
464 | } | |
56218672 | 465 | |
723b0b5b | 466 | // if (lVarXYT[3]) { // Z constraint |
467 | // AddConstraint(fConstraintP,0.0); | |
468 | // } | |
010eb601 | 469 | } |
470 | ||
56218672 | 471 | //______________________________________________________________________ |
472 | void AliMUONAlignment::AddConstraints(const Bool_t *lChOnOff, const Bool_t *lVarXYT, const Bool_t *lDetTLBR, const Bool_t *lSpecLROnOff) | |
473 | { | |
474 | /// Add constraint equations for selected chambers, degrees of freedom and detector half | |
3b2890be | 475 | Double_t lDetElemLocX = 0.; |
476 | Double_t lDetElemLocY = 0.; | |
477 | Double_t lDetElemLocZ = 0.; | |
478 | Double_t lDetElemGloX = 0.; | |
479 | Double_t lDetElemGloY = 0.; | |
480 | Double_t lDetElemGloZ = 0.; | |
481 | Double_t lMeanY = 0.; | |
482 | Double_t lSigmaY = 0.; | |
483 | Double_t lMeanZ = 0.; | |
484 | Double_t lSigmaZ = 0.; | |
485 | Int_t lNDetElem = 0; | |
56218672 | 486 | for (Int_t i = 0; i < fgNDetElem; i++) |
487 | { | |
488 | ||
010eb601 | 489 | Int_t iCh=0; |
490 | for (iCh=1; iCh<=fgNCh; iCh++){ | |
491 | if (i<fgSNDetElemCh[iCh-1]) break; | |
492 | } | |
56218672 | 493 | if (lChOnOff[iCh-1]){ |
3b2890be | 494 | Int_t lDetElemNumber = (iCh==1) ? i : i-fgSNDetElemCh[iCh-2]; |
495 | Int_t lDetElemId = iCh*100+lDetElemNumber; | |
496 | fTransform->Local2Global(lDetElemId,lDetElemLocX,lDetElemLocY,lDetElemLocZ, | |
56218672 | 497 | lDetElemGloX,lDetElemGloY,lDetElemGloZ); |
3b2890be | 498 | if (iCh>=1 && iCh<=4){ |
56218672 | 499 | if ((lDetElemNumber==1 || lDetElemNumber==2) && lSpecLROnOff[0]){ // From track crossings |
500 | lMeanY += lDetElemGloY; | |
501 | lSigmaY += lDetElemGloY*lDetElemGloY; | |
502 | lMeanZ += lDetElemGloZ; | |
503 | lSigmaZ += lDetElemGloZ*lDetElemGloZ; | |
504 | lNDetElem++; | |
505 | } | |
506 | if ((lDetElemNumber==0 || lDetElemNumber==3) && lSpecLROnOff[1]){ // From track crossings | |
507 | lMeanY += lDetElemGloY; | |
508 | lSigmaY += lDetElemGloY*lDetElemGloY; | |
509 | lMeanZ += lDetElemGloZ; | |
510 | lSigmaZ += lDetElemGloZ*lDetElemGloZ; | |
511 | lNDetElem++; | |
512 | } | |
3b2890be | 513 | } |
514 | if (iCh>=5 && iCh<=6){ | |
56218672 | 515 | if ((lDetElemNumber>=5&&lDetElemNumber<=13) && lSpecLROnOff[0]){ |
516 | lMeanY += lDetElemGloY; | |
517 | lSigmaY += lDetElemGloY*lDetElemGloY; | |
518 | lMeanZ += lDetElemGloZ; | |
519 | lSigmaZ += lDetElemGloZ*lDetElemGloZ; | |
520 | lNDetElem++; | |
521 | } | |
522 | if (((lDetElemNumber>=0&&lDetElemNumber<=4) || | |
523 | (lDetElemNumber>=14&&lDetElemNumber<=17)) && lSpecLROnOff[1]){ | |
524 | lMeanY += lDetElemGloY; | |
525 | lSigmaY += lDetElemGloY*lDetElemGloY; | |
526 | lMeanZ += lDetElemGloZ; | |
527 | lSigmaZ += lDetElemGloZ*lDetElemGloZ; | |
528 | lNDetElem++; | |
529 | } | |
3b2890be | 530 | } |
531 | if (iCh>=7 && iCh<=10){ | |
56218672 | 532 | if ((lDetElemNumber>=7&&lDetElemNumber<=19) && lSpecLROnOff[0]){ |
533 | lMeanY += lDetElemGloY; | |
534 | lSigmaY += lDetElemGloY*lDetElemGloY; | |
535 | lMeanZ += lDetElemGloZ; | |
536 | lSigmaZ += lDetElemGloZ*lDetElemGloZ; | |
537 | lNDetElem++; | |
538 | } | |
539 | if (((lDetElemNumber>=0&&lDetElemNumber<=6) || | |
540 | (lDetElemNumber>=20&&lDetElemNumber<=25)) && lSpecLROnOff[1]){ | |
541 | lMeanY += lDetElemGloY; | |
542 | lSigmaY += lDetElemGloY*lDetElemGloY; | |
543 | lMeanZ += lDetElemGloZ; | |
544 | lSigmaZ += lDetElemGloZ*lDetElemGloZ; | |
545 | lNDetElem++; | |
546 | } | |
3b2890be | 547 | } |
548 | } | |
549 | } | |
877567ef | 550 | if (lNDetElem) { |
551 | lMeanY /= lNDetElem; | |
552 | lSigmaY /= lNDetElem; | |
553 | lSigmaY = TMath::Sqrt(lSigmaY-lMeanY*lMeanY); | |
554 | lMeanZ /= lNDetElem; | |
555 | lSigmaZ /= lNDetElem; | |
556 | lSigmaZ = TMath::Sqrt(lSigmaZ-lMeanZ*lMeanZ); | |
557 | AliInfo(Form("Used %i DetElem, MeanZ= %f , SigmaZ= %f", lNDetElem,lMeanZ,lSigmaZ)); | |
558 | } else { | |
559 | AliError("No detection elements to constrain!!!"); | |
560 | return; | |
561 | } | |
562 | ||
56218672 | 563 | for (Int_t i = 0; i < fgNDetElem; i++){ |
3b2890be | 564 | Int_t iCh=0; |
565 | for (iCh=1; iCh<=fgNCh; iCh++){ | |
566 | if (i<fgSNDetElemCh[iCh-1]) break; | |
567 | } | |
d8ad38e5 | 568 | if (lChOnOff[iCh-1]){ |
3b2890be | 569 | Int_t lDetElemNumber = (iCh==1) ? i : i-fgSNDetElemCh[iCh-2]; |
570 | Int_t lDetElemId = iCh*100+lDetElemNumber; | |
571 | fTransform->Local2Global(lDetElemId,lDetElemLocX,lDetElemLocY,lDetElemLocZ, | |
56218672 | 572 | lDetElemGloX,lDetElemGloY,lDetElemGloZ); |
010eb601 | 573 | if (lVarXYT[0]) { // X constraint |
56218672 | 574 | if (lDetTLBR[0]) ConstrainT(i,iCh,fConstraintXT,0); // Top half |
575 | if (lDetTLBR[1]) ConstrainL(i,iCh,fConstraintXL,0); // Left half | |
576 | if (lDetTLBR[2]) ConstrainB(i,iCh,fConstraintXB,0); // Bottom half | |
577 | if (lDetTLBR[3]) ConstrainR(i,iCh,fConstraintXR,0); // Right half | |
010eb601 | 578 | } |
3b2890be | 579 | if (lVarXYT[1]) { // Y constraint |
56218672 | 580 | if (lDetTLBR[0]) ConstrainT(i,iCh,fConstraintYT,1); // Top half |
581 | if (lDetTLBR[1]) ConstrainL(i,iCh,fConstraintYL,1); // Left half | |
582 | if (lDetTLBR[2]) ConstrainB(i,iCh,fConstraintYB,1); // Bottom half | |
583 | if (lDetTLBR[3]) ConstrainR(i,iCh,fConstraintYR,1); // Right half | |
010eb601 | 584 | } |
3b2890be | 585 | if (lVarXYT[2]) { // P constraint |
56218672 | 586 | if (lDetTLBR[0]) ConstrainT(i,iCh,fConstraintPT,2); // Top half |
587 | if (lDetTLBR[1]) ConstrainL(i,iCh,fConstraintPL,2); // Left half | |
588 | if (lDetTLBR[2]) ConstrainB(i,iCh,fConstraintPB,2); // Bottom half | |
589 | if (lDetTLBR[3]) ConstrainR(i,iCh,fConstraintPR,2); // Right half | |
010eb601 | 590 | } |
3b2890be | 591 | if (lVarXYT[3]) { // X-Z shearing |
56218672 | 592 | if (lDetTLBR[0]) ConstrainT(i,iCh,fConstraintXZT,0,(lDetElemGloZ-lMeanZ)/lSigmaZ); // Top half |
593 | if (lDetTLBR[1]) ConstrainL(i,iCh,fConstraintXZL,0,(lDetElemGloZ-lMeanZ)/lSigmaZ); // Left half | |
594 | if (lDetTLBR[2]) ConstrainB(i,iCh,fConstraintXZB,0,(lDetElemGloZ-lMeanZ)/lSigmaZ); // Bottom half | |
595 | if (lDetTLBR[3]) ConstrainR(i,iCh,fConstraintXZR,0,(lDetElemGloZ-lMeanZ)/lSigmaZ); // Right half | |
3b2890be | 596 | } |
597 | if (lVarXYT[4]) { // Y-Z shearing | |
56218672 | 598 | if (lDetTLBR[0]) ConstrainT(i,iCh,fConstraintYZT,1,(lDetElemGloZ-lMeanZ)/lSigmaZ); // Top half |
599 | if (lDetTLBR[1]) ConstrainL(i,iCh,fConstraintYZL,1,(lDetElemGloZ-lMeanZ)/lSigmaZ); // Left half | |
600 | if (lDetTLBR[2]) ConstrainB(i,iCh,fConstraintYZB,1,(lDetElemGloZ-lMeanZ)/lSigmaZ); // Bottom half | |
601 | if (lDetTLBR[3]) ConstrainR(i,iCh,fConstraintYZR,1,(lDetElemGloZ-lMeanZ)/lSigmaZ); // Right half | |
3b2890be | 602 | } |
603 | if (lVarXYT[5]) { // P-Z rotation | |
56218672 | 604 | if (lDetTLBR[0]) ConstrainT(i,iCh,fConstraintPZT,2,(lDetElemGloZ-lMeanZ)/lSigmaZ); // Top half |
605 | if (lDetTLBR[1]) ConstrainL(i,iCh,fConstraintPZL,2,(lDetElemGloZ-lMeanZ)/lSigmaZ); // Left half | |
606 | if (lDetTLBR[2]) ConstrainB(i,iCh,fConstraintPZB,2,(lDetElemGloZ-lMeanZ)/lSigmaZ); // Bottom half | |
607 | if (lDetTLBR[3]) ConstrainR(i,iCh,fConstraintPZR,2,(lDetElemGloZ-lMeanZ)/lSigmaZ); // Right half | |
3b2890be | 608 | } |
609 | if (lVarXYT[6]) { // X-Y shearing | |
56218672 | 610 | if (lDetTLBR[0]) ConstrainT(i,iCh,fConstraintXYT,0,(lDetElemGloY-lMeanY)/lSigmaY); // Top half |
611 | if (lDetTLBR[1]) ConstrainL(i,iCh,fConstraintXYL,0,(lDetElemGloY-lMeanY)/lSigmaY); // Left half | |
612 | if (lDetTLBR[2]) ConstrainB(i,iCh,fConstraintXYB,0,(lDetElemGloY-lMeanY)/lSigmaY); // Bottom half | |
613 | if (lDetTLBR[3]) ConstrainR(i,iCh,fConstraintXYR,0,(lDetElemGloY-lMeanY)/lSigmaY); // Right half | |
3b2890be | 614 | } |
615 | if (lVarXYT[7]) { // Y-Y scaling | |
56218672 | 616 | if (lDetTLBR[0]) ConstrainT(i,iCh,fConstraintYYT,1,(lDetElemGloY-lMeanY)/lSigmaY); // Top half |
617 | if (lDetTLBR[1]) ConstrainL(i,iCh,fConstraintYYL,1,(lDetElemGloY-lMeanY)/lSigmaY); // Left half | |
618 | if (lDetTLBR[2]) ConstrainB(i,iCh,fConstraintYYB,1,(lDetElemGloY-lMeanY)/lSigmaY); // Bottom half | |
619 | if (lDetTLBR[3]) ConstrainR(i,iCh,fConstraintYYR,1,(lDetElemGloY-lMeanY)/lSigmaY); // Right half | |
3b2890be | 620 | } |
621 | if (lVarXYT[8]) { // P-Y rotation | |
56218672 | 622 | if (lDetTLBR[0]) ConstrainT(i,iCh,fConstraintPYT,2,(lDetElemGloY-lMeanY)/lSigmaY); // Top half |
623 | if (lDetTLBR[1]) ConstrainL(i,iCh,fConstraintPYL,2,(lDetElemGloY-lMeanY)/lSigmaY); // Left half | |
624 | if (lDetTLBR[2]) ConstrainB(i,iCh,fConstraintPYB,2,(lDetElemGloY-lMeanY)/lSigmaY); // Bottom half | |
625 | if (lDetTLBR[3]) ConstrainR(i,iCh,fConstraintPYR,2,(lDetElemGloY-lMeanY)/lSigmaY); // Right half | |
3b2890be | 626 | } |
010eb601 | 627 | } |
628 | } | |
629 | if (lVarXYT[0]) { // X constraint | |
630 | if (lDetTLBR[0]) AddConstraint(fConstraintXT,0.0); // Top half | |
631 | if (lDetTLBR[1]) AddConstraint(fConstraintXL,0.0); // Left half | |
632 | if (lDetTLBR[2]) AddConstraint(fConstraintXB,0.0); // Bottom half | |
633 | if (lDetTLBR[3]) AddConstraint(fConstraintXR,0.0); // Right half | |
634 | } | |
635 | if (lVarXYT[1]) { // Y constraint | |
636 | if (lDetTLBR[0]) AddConstraint(fConstraintYT,0.0); // Top half | |
637 | if (lDetTLBR[1]) AddConstraint(fConstraintYL,0.0); // Left half | |
638 | if (lDetTLBR[2]) AddConstraint(fConstraintYB,0.0); // Bottom half | |
639 | if (lDetTLBR[3]) AddConstraint(fConstraintYR,0.0); // Right half | |
640 | } | |
641 | if (lVarXYT[2]) { // T constraint | |
642 | if (lDetTLBR[0]) AddConstraint(fConstraintPT,0.0); // Top half | |
643 | if (lDetTLBR[1]) AddConstraint(fConstraintPL,0.0); // Left half | |
644 | if (lDetTLBR[2]) AddConstraint(fConstraintPB,0.0); // Bottom half | |
645 | if (lDetTLBR[3]) AddConstraint(fConstraintPR,0.0); // Right half | |
646 | } | |
3b2890be | 647 | if (lVarXYT[3]) { // X-Z constraint |
648 | if (lDetTLBR[0]) AddConstraint(fConstraintXZT,0.0); // Top half | |
649 | if (lDetTLBR[1]) AddConstraint(fConstraintXZL,0.0); // Left half | |
650 | if (lDetTLBR[2]) AddConstraint(fConstraintXZB,0.0); // Bottom half | |
651 | if (lDetTLBR[3]) AddConstraint(fConstraintXZR,0.0); // Right half | |
652 | } | |
653 | if (lVarXYT[4]) { // Y-Z constraint | |
654 | if (lDetTLBR[0]) AddConstraint(fConstraintYZT,0.0); // Top half | |
655 | if (lDetTLBR[1]) AddConstraint(fConstraintYZL,0.0); // Left half | |
656 | if (lDetTLBR[2]) AddConstraint(fConstraintYZB,0.0); // Bottom half | |
657 | if (lDetTLBR[3]) AddConstraint(fConstraintYZR,0.0); // Right half | |
658 | } | |
659 | if (lVarXYT[5]) { // P-Z constraint | |
660 | if (lDetTLBR[0]) AddConstraint(fConstraintPZT,0.0); // Top half | |
661 | if (lDetTLBR[1]) AddConstraint(fConstraintPZL,0.0); // Left half | |
662 | if (lDetTLBR[2]) AddConstraint(fConstraintPZB,0.0); // Bottom half | |
663 | if (lDetTLBR[3]) AddConstraint(fConstraintPZR,0.0); // Right half | |
664 | } | |
665 | if (lVarXYT[6]) { // X-Y constraint | |
666 | if (lDetTLBR[0]) AddConstraint(fConstraintXYT,0.0); // Top half | |
667 | if (lDetTLBR[1]) AddConstraint(fConstraintXYL,0.0); // Left half | |
668 | if (lDetTLBR[2]) AddConstraint(fConstraintXYB,0.0); // Bottom half | |
669 | if (lDetTLBR[3]) AddConstraint(fConstraintXYR,0.0); // Right half | |
670 | } | |
671 | if (lVarXYT[7]) { // Y-Y constraint | |
672 | if (lDetTLBR[0]) AddConstraint(fConstraintYYT,0.0); // Top half | |
673 | if (lDetTLBR[1]) AddConstraint(fConstraintYYL,0.0); // Left half | |
674 | if (lDetTLBR[2]) AddConstraint(fConstraintYYB,0.0); // Bottom half | |
675 | if (lDetTLBR[3]) AddConstraint(fConstraintYYR,0.0); // Right half | |
676 | } | |
677 | if (lVarXYT[8]) { // P-Y constraint | |
678 | if (lDetTLBR[0]) AddConstraint(fConstraintPYT,0.0); // Top half | |
679 | if (lDetTLBR[1]) AddConstraint(fConstraintPYL,0.0); // Left half | |
680 | if (lDetTLBR[2]) AddConstraint(fConstraintPYB,0.0); // Bottom half | |
681 | if (lDetTLBR[3]) AddConstraint(fConstraintPYR,0.0); // Right half | |
682 | } | |
010eb601 | 683 | } |
684 | ||
a6ec842d | 685 | void AliMUONAlignment::ConstrainT(Int_t lDetElem, Int_t lCh, Double_t *lConstraintT, Int_t iVar, Double_t /*lWeight*/) const{ |
010eb601 | 686 | /// Set constrain equation for top half of spectrometer |
687 | Int_t lDetElemNumber = (lCh==1) ? lDetElem : lDetElem-fgSNDetElemCh[lCh-2]; | |
688 | if (lCh>=1 && lCh<=4){ | |
689 | if (lDetElemNumber==0 || lDetElemNumber==1){ // From track crossings | |
690 | lConstraintT[lDetElem*fgNParCh+iVar]=1.0; | |
691 | } | |
692 | } | |
693 | if (lCh>=5 && lCh<=6){ | |
694 | if (lDetElemNumber>=0&&lDetElemNumber<=9){ | |
695 | lConstraintT[lDetElem*fgNParCh+iVar]=1.0; | |
696 | } | |
697 | } | |
698 | if (lCh>=7 && lCh<=10){ | |
699 | if (lDetElemNumber>=0&&lDetElemNumber<=13){ | |
700 | lConstraintT[lDetElem*fgNParCh+iVar]=1.0; | |
701 | } | |
702 | } | |
703 | } | |
704 | ||
56218672 | 705 | //______________________________________________________________________ |
a6ec842d | 706 | void AliMUONAlignment::ConstrainL(Int_t lDetElem, Int_t lCh, Double_t *lConstraintL, Int_t iVar, Double_t lWeight) const{ |
010eb601 | 707 | /// Set constrain equation for left half of spectrometer |
708 | Int_t lDetElemNumber = (lCh==1) ? lDetElem : lDetElem-fgSNDetElemCh[lCh-2]; | |
709 | if (lCh>=1 && lCh<=4){ | |
710 | if (lDetElemNumber==1 || lDetElemNumber==2){ // From track crossings | |
3b2890be | 711 | lConstraintL[lDetElem*fgNParCh+iVar]=lWeight; |
010eb601 | 712 | } |
713 | } | |
714 | if (lCh>=5 && lCh<=6){ | |
715 | if (lDetElemNumber>=5&&lDetElemNumber<=13){ | |
3b2890be | 716 | lConstraintL[lDetElem*fgNParCh+iVar]=lWeight; |
010eb601 | 717 | } |
718 | } | |
719 | if (lCh>=7 && lCh<=10){ | |
720 | if (lDetElemNumber>=7&&lDetElemNumber<=19){ | |
3b2890be | 721 | lConstraintL[lDetElem*fgNParCh+iVar]=lWeight; |
010eb601 | 722 | } |
723 | } | |
724 | } | |
725 | ||
56218672 | 726 | //______________________________________________________________________ |
a6ec842d | 727 | void AliMUONAlignment::ConstrainB(Int_t lDetElem, Int_t lCh, Double_t *lConstraintB, Int_t iVar, Double_t /*lWeight*/) const{ |
010eb601 | 728 | /// Set constrain equation for bottom half of spectrometer |
729 | Int_t lDetElemNumber = (lCh==1) ? lDetElem : lDetElem-fgSNDetElemCh[lCh-2]; | |
730 | if (lCh>=1 && lCh<=4){ | |
3b2890be | 731 | if (lDetElemNumber==2 || lDetElemNumber==3){ // From track crossings |
010eb601 | 732 | lConstraintB[lDetElem*fgNParCh+iVar]=1.0; |
733 | } | |
734 | } | |
735 | if (lCh>=5 && lCh<=6){ | |
56218672 | 736 | if ((lDetElemNumber>=9&&lDetElemNumber<=17) || |
737 | (lDetElemNumber==0)){ | |
010eb601 | 738 | lConstraintB[lDetElem*fgNParCh+iVar]=1.0; |
739 | } | |
740 | } | |
741 | if (lCh>=7 && lCh<=10){ | |
56218672 | 742 | if ((lDetElemNumber>=13&&lDetElemNumber<=25) || |
743 | (lDetElemNumber==0)){ | |
010eb601 | 744 | lConstraintB[lDetElem*fgNParCh+iVar]=1.0; |
745 | } | |
746 | } | |
747 | } | |
748 | ||
56218672 | 749 | //______________________________________________________________________ |
a6ec842d | 750 | void AliMUONAlignment::ConstrainR(Int_t lDetElem, Int_t lCh, Double_t *lConstraintR, Int_t iVar, Double_t lWeight) const{ |
010eb601 | 751 | /// Set constrain equation for right half of spectrometer |
752 | Int_t lDetElemNumber = (lCh==1) ? lDetElem : lDetElem-fgSNDetElemCh[lCh-2]; | |
753 | if (lCh>=1 && lCh<=4){ | |
3b2890be | 754 | if (lDetElemNumber==0 || lDetElemNumber==3){ // From track crossings |
755 | lConstraintR[lDetElem*fgNParCh+iVar]=lWeight; | |
010eb601 | 756 | } |
757 | } | |
758 | if (lCh>=5 && lCh<=6){ | |
56218672 | 759 | if ((lDetElemNumber>=0&&lDetElemNumber<=4) || |
760 | (lDetElemNumber>=14&&lDetElemNumber<=17)){ | |
3b2890be | 761 | lConstraintR[lDetElem*fgNParCh+iVar]=lWeight; |
010eb601 | 762 | } |
763 | } | |
764 | if (lCh>=7 && lCh<=10){ | |
56218672 | 765 | if ((lDetElemNumber>=0&&lDetElemNumber<=6) || |
766 | (lDetElemNumber>=20&&lDetElemNumber<=25)){ | |
3b2890be | 767 | lConstraintR[lDetElem*fgNParCh+iVar]=lWeight; |
010eb601 | 768 | } |
769 | } | |
770 | } | |
771 | ||
56218672 | 772 | //______________________________________________________________________ |
010eb601 | 773 | void AliMUONAlignment::ResetConstraints(){ |
774 | /// Reset all constraint equations | |
56218672 | 775 | for (Int_t i = 0; i < fgNDetElem; i++){ |
3b2890be | 776 | fConstraintX[i*fgNParCh+0]=0.0; |
777 | fConstraintX[i*fgNParCh+1]=0.0; | |
778 | fConstraintX[i*fgNParCh+2]=0.0; | |
779 | fConstraintY[i*fgNParCh+0]=0.0; | |
780 | fConstraintY[i*fgNParCh+1]=0.0; | |
781 | fConstraintY[i*fgNParCh+2]=0.0; | |
782 | fConstraintP[i*fgNParCh+0]=0.0; | |
783 | fConstraintP[i*fgNParCh+1]=0.0; | |
784 | fConstraintP[i*fgNParCh+2]=0.0; | |
785 | fConstraintXT[i*fgNParCh+0]=0.0; | |
786 | fConstraintXT[i*fgNParCh+1]=0.0; | |
787 | fConstraintXT[i*fgNParCh+2]=0.0; | |
788 | fConstraintYT[i*fgNParCh+0]=0.0; | |
789 | fConstraintYT[i*fgNParCh+1]=0.0; | |
790 | fConstraintYT[i*fgNParCh+2]=0.0; | |
791 | fConstraintPT[i*fgNParCh+0]=0.0; | |
792 | fConstraintPT[i*fgNParCh+1]=0.0; | |
793 | fConstraintPT[i*fgNParCh+2]=0.0; | |
794 | fConstraintXZT[i*fgNParCh+0]=0.0; | |
795 | fConstraintXZT[i*fgNParCh+1]=0.0; | |
796 | fConstraintXZT[i*fgNParCh+2]=0.0; | |
797 | fConstraintYZT[i*fgNParCh+0]=0.0; | |
798 | fConstraintYZT[i*fgNParCh+1]=0.0; | |
799 | fConstraintYZT[i*fgNParCh+2]=0.0; | |
800 | fConstraintPZT[i*fgNParCh+0]=0.0; | |
801 | fConstraintPZT[i*fgNParCh+1]=0.0; | |
802 | fConstraintPZT[i*fgNParCh+2]=0.0; | |
803 | fConstraintXYT[i*fgNParCh+0]=0.0; | |
804 | fConstraintXYT[i*fgNParCh+1]=0.0; | |
805 | fConstraintXYT[i*fgNParCh+2]=0.0; | |
806 | fConstraintYYT[i*fgNParCh+0]=0.0; | |
807 | fConstraintYYT[i*fgNParCh+1]=0.0; | |
808 | fConstraintYYT[i*fgNParCh+2]=0.0; | |
809 | fConstraintPYT[i*fgNParCh+0]=0.0; | |
810 | fConstraintPYT[i*fgNParCh+1]=0.0; | |
811 | fConstraintPYT[i*fgNParCh+2]=0.0; | |
812 | fConstraintXL[i*fgNParCh+0]=0.0; | |
813 | fConstraintXL[i*fgNParCh+1]=0.0; | |
814 | fConstraintXL[i*fgNParCh+2]=0.0; | |
815 | fConstraintYL[i*fgNParCh+0]=0.0; | |
816 | fConstraintYL[i*fgNParCh+1]=0.0; | |
817 | fConstraintYL[i*fgNParCh+2]=0.0; | |
818 | fConstraintPL[i*fgNParCh+0]=0.0; | |
819 | fConstraintPL[i*fgNParCh+1]=0.0; | |
820 | fConstraintPL[i*fgNParCh+2]=0.0; | |
821 | fConstraintXZL[i*fgNParCh+0]=0.0; | |
822 | fConstraintXZL[i*fgNParCh+1]=0.0; | |
823 | fConstraintXZL[i*fgNParCh+2]=0.0; | |
824 | fConstraintYZL[i*fgNParCh+0]=0.0; | |
825 | fConstraintYZL[i*fgNParCh+1]=0.0; | |
826 | fConstraintYZL[i*fgNParCh+2]=0.0; | |
827 | fConstraintPZL[i*fgNParCh+0]=0.0; | |
828 | fConstraintPZL[i*fgNParCh+1]=0.0; | |
829 | fConstraintPZL[i*fgNParCh+2]=0.0; | |
830 | fConstraintXYL[i*fgNParCh+0]=0.0; | |
831 | fConstraintXYL[i*fgNParCh+1]=0.0; | |
832 | fConstraintXYL[i*fgNParCh+2]=0.0; | |
833 | fConstraintYYL[i*fgNParCh+0]=0.0; | |
834 | fConstraintYYL[i*fgNParCh+1]=0.0; | |
835 | fConstraintYYL[i*fgNParCh+2]=0.0; | |
836 | fConstraintPYL[i*fgNParCh+0]=0.0; | |
837 | fConstraintPYL[i*fgNParCh+1]=0.0; | |
838 | fConstraintPYL[i*fgNParCh+2]=0.0; | |
839 | fConstraintXB[i*fgNParCh+0]=0.0; | |
840 | fConstraintXB[i*fgNParCh+1]=0.0; | |
841 | fConstraintXB[i*fgNParCh+2]=0.0; | |
842 | fConstraintYB[i*fgNParCh+0]=0.0; | |
843 | fConstraintYB[i*fgNParCh+1]=0.0; | |
844 | fConstraintYB[i*fgNParCh+2]=0.0; | |
845 | fConstraintPB[i*fgNParCh+0]=0.0; | |
846 | fConstraintPB[i*fgNParCh+1]=0.0; | |
847 | fConstraintPB[i*fgNParCh+2]=0.0; | |
848 | fConstraintXZB[i*fgNParCh+0]=0.0; | |
849 | fConstraintXZB[i*fgNParCh+1]=0.0; | |
850 | fConstraintXZB[i*fgNParCh+2]=0.0; | |
851 | fConstraintYZB[i*fgNParCh+0]=0.0; | |
852 | fConstraintYZB[i*fgNParCh+1]=0.0; | |
853 | fConstraintYZB[i*fgNParCh+2]=0.0; | |
854 | fConstraintPZB[i*fgNParCh+0]=0.0; | |
855 | fConstraintPZB[i*fgNParCh+1]=0.0; | |
856 | fConstraintPZB[i*fgNParCh+2]=0.0; | |
857 | fConstraintXYB[i*fgNParCh+0]=0.0; | |
858 | fConstraintXYB[i*fgNParCh+1]=0.0; | |
859 | fConstraintXYB[i*fgNParCh+2]=0.0; | |
860 | fConstraintYYB[i*fgNParCh+0]=0.0; | |
861 | fConstraintYYB[i*fgNParCh+1]=0.0; | |
862 | fConstraintYYB[i*fgNParCh+2]=0.0; | |
863 | fConstraintPYB[i*fgNParCh+0]=0.0; | |
864 | fConstraintPYB[i*fgNParCh+1]=0.0; | |
865 | fConstraintPYB[i*fgNParCh+2]=0.0; | |
866 | fConstraintXR[i*fgNParCh+0]=0.0; | |
867 | fConstraintXR[i*fgNParCh+1]=0.0; | |
868 | fConstraintXR[i*fgNParCh+2]=0.0; | |
869 | fConstraintYR[i*fgNParCh+0]=0.0; | |
870 | fConstraintYR[i*fgNParCh+1]=0.0; | |
871 | fConstraintYR[i*fgNParCh+2]=0.0; | |
872 | fConstraintPR[i*fgNParCh+0]=0.0; | |
873 | fConstraintPR[i*fgNParCh+1]=0.0; | |
874 | fConstraintPR[i*fgNParCh+2]=0.0; | |
875 | fConstraintXZR[i*fgNParCh+0]=0.0; | |
876 | fConstraintXZR[i*fgNParCh+1]=0.0; | |
877 | fConstraintXZR[i*fgNParCh+2]=0.0; | |
878 | fConstraintYZR[i*fgNParCh+0]=0.0; | |
879 | fConstraintYZR[i*fgNParCh+1]=0.0; | |
880 | fConstraintYZR[i*fgNParCh+2]=0.0; | |
881 | fConstraintPZR[i*fgNParCh+0]=0.0; | |
882 | fConstraintPZR[i*fgNParCh+1]=0.0; | |
883 | fConstraintPZR[i*fgNParCh+2]=0.0; | |
884 | fConstraintPZR[i*fgNParCh+0]=0.0; | |
885 | fConstraintPZR[i*fgNParCh+1]=0.0; | |
886 | fConstraintPZR[i*fgNParCh+2]=0.0; | |
887 | fConstraintXYR[i*fgNParCh+0]=0.0; | |
888 | fConstraintXYR[i*fgNParCh+1]=0.0; | |
889 | fConstraintXYR[i*fgNParCh+2]=0.0; | |
890 | fConstraintYYR[i*fgNParCh+0]=0.0; | |
891 | fConstraintYYR[i*fgNParCh+1]=0.0; | |
892 | fConstraintYYR[i*fgNParCh+2]=0.0; | |
893 | fConstraintPYR[i*fgNParCh+0]=0.0; | |
894 | fConstraintPYR[i*fgNParCh+1]=0.0; | |
895 | fConstraintPYR[i*fgNParCh+2]=0.0; | |
010eb601 | 896 | } |
897 | } | |
898 | ||
56218672 | 899 | //______________________________________________________________________ |
010eb601 | 900 | void AliMUONAlignment::AddConstraint(Double_t *par, Double_t value) { |
901 | /// Constrain equation defined by par to value | |
902 | fMillepede->SetGlobalConstraint(par, value); | |
903 | AliInfo("Adding constraint"); | |
904 | } | |
905 | ||
56218672 | 906 | //______________________________________________________________________ |
010eb601 | 907 | void AliMUONAlignment::InitGlobalParameters(Double_t *par) { |
908 | /// Initialize global parameters with par array | |
909 | fMillepede->SetGlobalParameters(par); | |
910 | AliInfo("Init Global Parameters"); | |
911 | } | |
56218672 | 912 | |
913 | //______________________________________________________________________ | |
010eb601 | 914 | void AliMUONAlignment::FixParameter(Int_t iPar, Double_t value) { |
56218672 | 915 | /// Parameter iPar is encourage to vary in [-value;value]. |
010eb601 | 916 | /// If value == 0, parameter is fixed |
917 | fMillepede->SetParSigma(iPar, value); | |
a6ec842d | 918 | if (TMath::Abs(value)<1e-4) AliInfo(Form("Parameter %i Fixed", iPar)); |
010eb601 | 919 | } |
920 | ||
56218672 | 921 | //______________________________________________________________________ |
010eb601 | 922 | void AliMUONAlignment::ResetLocalEquation() |
923 | { | |
924 | /// Reset the derivative vectors | |
925 | for(int i=0; i<fNLocal; i++) { | |
926 | fLocalDerivatives[i] = 0.0; | |
927 | } | |
928 | for(int i=0; i<fNGlobal; i++) { | |
929 | fGlobalDerivatives[i] = 0.0; | |
930 | } | |
931 | } | |
932 | ||
56218672 | 933 | //______________________________________________________________________ |
934 | void AliMUONAlignment::AllowVariations(const Bool_t *bChOnOff) | |
935 | { | |
936 | ||
d8ad38e5 | 937 | /// Set allowed variation for selected chambers based on fDoF and fAllowVar |
56218672 | 938 | for (Int_t iCh=1; iCh<=10; iCh++) |
939 | { | |
940 | if (bChOnOff[iCh-1]) | |
941 | { | |
942 | ||
943 | Int_t iDetElemFirst = (iCh>1) ? fgSNDetElemCh[iCh-2] : 0; | |
944 | Int_t iDetElemLast = fgSNDetElemCh[iCh-1]; | |
945 | for (int i=0; i<fgNParCh; i++) | |
946 | { | |
947 | AliDebug(1,Form("fDoF[%d]= %d",i,fDoF[i])); | |
948 | if (fDoF[i]) | |
949 | { | |
950 | for (Int_t j=iDetElemFirst; j<iDetElemLast; j++){ | |
951 | FixParameter(j*fgNParCh+i, fAllowVar[i]); | |
952 | } | |
953 | } | |
954 | ||
010eb601 | 955 | } |
56218672 | 956 | |
010eb601 | 957 | } |
56218672 | 958 | |
010eb601 | 959 | } |
56218672 | 960 | |
010eb601 | 961 | } |
962 | ||
56218672 | 963 | //______________________________________________________________________ |
964 | void AliMUONAlignment::SetNonLinear(Int_t iPar /* set non linear flag */ ) | |
965 | { | |
010eb601 | 966 | /// Set nonlinear flag for parameter iPar |
967 | fMillepede->SetNonLinear(iPar); | |
968 | AliInfo(Form("Parameter %i set to non linear", iPar)); | |
969 | } | |
970 | ||
56218672 | 971 | //______________________________________________________________________ |
972 | void AliMUONAlignment::SetSigmaXY(Double_t sigmaX, Double_t sigmaY) | |
973 | { | |
64e2c144 | 974 | |
64e2c144 | 975 | /// Set expected measurement resolution |
976 | fSigma[0] = sigmaX; fSigma[1] = sigmaY; | |
977 | AliInfo(Form("Using fSigma[0]=%f and fSigma[1]=%f",fSigma[0],fSigma[1])); | |
978 | } | |
979 | ||
980 | ||
56218672 | 981 | //______________________________________________________________________ |
982 | void AliMUONAlignment::LocalEquationX( Bool_t doAlignment ) | |
983 | { | |
984 | ||
985 | ||
986 | // local cluster record | |
987 | AliMUONAlignmentClusterRecord clusterRecord; | |
988 | ||
989 | // store detector and measurement | |
990 | clusterRecord.SetDetElemId( fDetElemId ); | |
991 | clusterRecord.SetDetElemNumber( fDetElemNumber ); | |
992 | clusterRecord.SetMeas( fMeas[0] ); | |
993 | clusterRecord.SetSigma( fSigma[0] ); | |
994 | ||
995 | // store local derivatives | |
996 | clusterRecord.SetLocalDerivative( 0, fCosPhi ); | |
997 | clusterRecord.SetLocalDerivative( 1, fCosPhi*(fTrackPos[2] - fTrackPos0[2]) ); | |
998 | clusterRecord.SetLocalDerivative( 2, fSinPhi ); | |
999 | clusterRecord.SetLocalDerivative( 3, fSinPhi*(fTrackPos[2] - fTrackPos0[2]) ); | |
1000 | ||
1001 | // store global derivatives | |
1002 | clusterRecord.SetGlobalDerivative( 0, -fCosPhi ); | |
1003 | clusterRecord.SetGlobalDerivative( 1, -fSinPhi ); | |
1004 | ||
1005 | if (fBFieldOn) | |
1006 | { | |
1007 | ||
1008 | clusterRecord.SetGlobalDerivative( | |
1009 | 2, | |
1010 | -fSinPhi*(fTrackPos[0]-fDetElemPos[0]) | |
1011 | +fCosPhi*(fTrackPos[1]-fDetElemPos[1]) ); | |
1012 | ||
1013 | } else { | |
1014 | ||
1015 | clusterRecord.SetGlobalDerivative( | |
1016 | 2, | |
1017 | -fSinPhi*(fTrackPos0[0]+fTrackSlope0[0]*(fTrackPos[2]-fTrackPos0[2])-fDetElemPos[0]) | |
1018 | +fCosPhi*(fTrackPos0[1]+fTrackSlope0[1]*(fTrackPos[2]-fTrackPos0[2])-fDetElemPos[1]) ); | |
010eb601 | 1019 | |
010eb601 | 1020 | } |
1021 | ||
56218672 | 1022 | clusterRecord.SetGlobalDerivative( 3, fCosPhi*fTrackSlope0[0]+fSinPhi*fTrackSlope0[1] ); |
1023 | ||
1024 | // append to trackRecord | |
1025 | fTrackRecord.AddClusterRecord( clusterRecord ); | |
1026 | ||
1027 | // store local equation | |
1028 | if( doAlignment ) LocalEquation( clusterRecord ); | |
1029 | ||
010eb601 | 1030 | } |
1031 | ||
56218672 | 1032 | //______________________________________________________________________ |
1033 | void AliMUONAlignment::LocalEquationY(Bool_t doAlignment ) | |
1034 | { | |
1035 | ||
1036 | // local cluster record | |
1037 | AliMUONAlignmentClusterRecord clusterRecord; | |
1038 | ||
1039 | // store detector and measurement | |
1040 | clusterRecord.SetDetElemId( fDetElemId ); | |
1041 | clusterRecord.SetDetElemNumber( fDetElemNumber ); | |
1042 | clusterRecord.SetMeas( fMeas[1] ); | |
1043 | clusterRecord.SetSigma( fSigma[1] ); | |
1044 | ||
1045 | // store local derivatives | |
1046 | clusterRecord.SetLocalDerivative( 0, -fSinPhi ); | |
1047 | clusterRecord.SetLocalDerivative( 1, -fSinPhi*(fTrackPos[2] - fTrackPos0[2] ) ); | |
1048 | clusterRecord.SetLocalDerivative( 2, fCosPhi ); | |
1049 | clusterRecord.SetLocalDerivative( 3, fCosPhi*(fTrackPos[2] - fTrackPos0[2] ) ); | |
010eb601 | 1050 | |
1051 | // set global derivatives | |
56218672 | 1052 | clusterRecord.SetGlobalDerivative( 0, fSinPhi); |
1053 | clusterRecord.SetGlobalDerivative( 1, -fCosPhi); | |
1054 | ||
1055 | if (fBFieldOn) | |
1056 | { | |
1057 | ||
1058 | clusterRecord.SetGlobalDerivative( | |
1059 | 2, | |
1060 | -fCosPhi*(fTrackPos[0]-fDetElemPos[0]) | |
1061 | -fSinPhi*(fTrackPos[1]-fDetElemPos[1])); | |
1062 | ||
1063 | } else { | |
1064 | ||
1065 | clusterRecord.SetGlobalDerivative( | |
1066 | 2, | |
1067 | -fCosPhi*(fTrackPos0[0]+fTrackSlope0[0]*(fTrackPos[2]-fTrackPos0[2])-fDetElemPos[0]) | |
1068 | -fSinPhi*(fTrackPos0[1]+fTrackSlope0[1]*(fTrackPos[2]-fTrackPos0[2])-fDetElemPos[1])); | |
010eb601 | 1069 | } |
56218672 | 1070 | |
1071 | clusterRecord.SetGlobalDerivative( 3, -fSinPhi*fTrackSlope0[0]+fCosPhi*fTrackSlope0[1]); | |
1072 | ||
1073 | // append to trackRecord | |
1074 | fTrackRecord.AddClusterRecord( clusterRecord ); | |
1075 | ||
1076 | // store local equation | |
1077 | if( doAlignment ) LocalEquation( clusterRecord ); | |
1078 | ||
1079 | } | |
1080 | ||
1081 | //_____________________________________________________ | |
1082 | void AliMUONAlignment::LocalEquation( const AliMUONAlignmentClusterRecord& clusterRecord ) | |
1083 | { | |
1084 | ||
1085 | // copy to local variables | |
1086 | for( Int_t index = 0; index < 4; ++index ) | |
1087 | { | |
1088 | SetLocalDerivative( index, clusterRecord.GetLocalDerivative( index ) ); | |
1089 | SetGlobalDerivative( clusterRecord.GetDetElemNumber()*fgNParCh + index, clusterRecord.GetGlobalDerivative( index ) ); | |
010eb601 | 1090 | } |
1091 | ||
56218672 | 1092 | // pass equation parameters to millepede |
1093 | fMillepede->SetLocalEquation( fGlobalDerivatives, fLocalDerivatives, clusterRecord.GetMeas(), clusterRecord.GetSigma() ); | |
1094 | ||
010eb601 | 1095 | } |
1096 | ||
56218672 | 1097 | //______________________________________________________________________ |
1098 | void AliMUONAlignment::FillRecPointData() | |
1099 | { | |
1100 | ||
96ebe67e | 1101 | /// Get information of current cluster |
1102 | fClustPos[0] = fCluster->GetX(); | |
1103 | fClustPos[1] = fCluster->GetY(); | |
1104 | fClustPos[2] = fCluster->GetZ(); | |
56218672 | 1105 | fTransform->Global2Local( |
1106 | fDetElemId,fClustPos[0],fClustPos[1],fClustPos[2], | |
1107 | fClustPosLoc[0],fClustPosLoc[1],fClustPosLoc[2]); | |
1108 | ||
010eb601 | 1109 | } |
1110 | ||
56218672 | 1111 | //______________________________________________________________________ |
1112 | void AliMUONAlignment::FillTrackParamData() | |
1113 | { | |
1114 | ||
96ebe67e | 1115 | /// Get information of current track at current cluster |
010eb601 | 1116 | fTrackPos[0] = fTrackParam->GetNonBendingCoor(); |
1117 | fTrackPos[1] = fTrackParam->GetBendingCoor(); | |
1118 | fTrackPos[2] = fTrackParam->GetZ(); | |
1119 | fTrackSlope[0] = fTrackParam->GetNonBendingSlope(); | |
1120 | fTrackSlope[1] = fTrackParam->GetBendingSlope(); | |
56218672 | 1121 | fTransform->Global2Local( |
1122 | fDetElemId,fTrackPos[0],fTrackPos[1],fTrackPos[2], | |
1123 | fTrackPosLoc[0],fTrackPosLoc[1],fTrackPosLoc[2]); | |
1124 | ||
010eb601 | 1125 | } |
1126 | ||
56218672 | 1127 | //_____________________________________________________ |
1128 | void AliMUONAlignment::FillDetElemData() | |
1129 | { | |
1130 | ||
010eb601 | 1131 | /// Get information of current detection element |
1132 | Double_t lDetElemLocX = 0.; | |
1133 | Double_t lDetElemLocY = 0.; | |
1134 | Double_t lDetElemLocZ = 0.; | |
96ebe67e | 1135 | fDetElemId = fCluster->GetDetElemId(); |
010eb601 | 1136 | fDetElemNumber = fDetElemId%100; |
56218672 | 1137 | for (int iCh=0; iCh<fDetElemId/100-1; iCh++) |
1138 | { fDetElemNumber += fgNDetElemCh[iCh]; } | |
1139 | ||
1140 | fTransform->Local2Global( | |
1141 | fDetElemId,lDetElemLocX,lDetElemLocY,lDetElemLocZ, | |
1142 | fDetElemPos[0],fDetElemPos[1],fDetElemPos[2]); | |
1143 | ||
010eb601 | 1144 | } |
1145 | ||
56218672 | 1146 | //_____________________________________________________ |
1147 | AliMUONAlignmentTrackRecord* AliMUONAlignment::ProcessTrack( AliMUONTrack* track, Bool_t doAlignment ) | |
1148 | { | |
1149 | ||
1150 | // store current track in running member. | |
010eb601 | 1151 | fTrack = track; |
56218672 | 1152 | |
1153 | // clear track record | |
1154 | fTrackRecord.Clear(); | |
1155 | ||
1156 | // get number of tracks | |
1157 | Int_t nTrackParam = fTrack->GetTrackParamAtCluster()->GetEntries(); | |
3b2890be | 1158 | AliDebug(1,Form("Number of track param entries : %i ", nTrackParam)); |
010eb601 | 1159 | |
56218672 | 1160 | Bool_t first( kTRUE ); |
1161 | for(Int_t iCluster=0; iCluster<nTrackParam; iCluster++) | |
1162 | { | |
010eb601 | 1163 | |
010eb601 | 1164 | // and get new pointers |
96ebe67e | 1165 | fTrackParam = (AliMUONTrackParam *) fTrack->GetTrackParamAtCluster()->At(iCluster); |
7e96937a | 1166 | if ( ! fTrackParam ) continue; |
96ebe67e | 1167 | fCluster = fTrackParam->GetClusterPtr(); |
7e96937a | 1168 | if ( ! fCluster ) continue; |
56218672 | 1169 | // if (fDetElemId<500) continue; |
1170 | ||
010eb601 | 1171 | // fill local variables for this position --> one measurement |
56218672 | 1172 | FillDetElemData(); |
010eb601 | 1173 | FillRecPointData(); |
1174 | FillTrackParamData(); | |
010eb601 | 1175 | |
56218672 | 1176 | if( first ) |
1177 | { | |
1178 | ||
1179 | // for first valid cluster, save track position as "starting" values | |
1180 | first = kFALSE; | |
1181 | ||
1182 | fTrackPos0[0] = fTrackPos[0]; | |
1183 | fTrackPos0[1] = fTrackPos[1]; | |
1184 | fTrackPos0[2] = fTrackPos[2]; | |
1185 | fTrackSlope0[0] = fTrackSlope[0]; | |
1186 | fTrackSlope0[1] = fTrackSlope[1]; | |
1187 | ||
1188 | } | |
1189 | ||
1190 | // calculate measurements | |
010eb601 | 1191 | fCosPhi = TMath::Cos(fPhi); |
1192 | fSinPhi = TMath::Sin(fPhi); | |
56218672 | 1193 | if( fBFieldOn ) |
1194 | { | |
1195 | ||
010eb601 | 1196 | fMeas[0] = fTrackPos[0] - fClustPos[0]; |
1197 | fMeas[1] = fTrackPos[1] - fClustPos[1]; | |
56218672 | 1198 | |
1199 | } else { | |
1200 | ||
010eb601 | 1201 | fMeas[0] = - fClustPos[0]; |
1202 | fMeas[1] = - fClustPos[1]; | |
56218672 | 1203 | |
010eb601 | 1204 | } |
56218672 | 1205 | |
1206 |