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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 | //----------------------------------------------------------------------------- | |
19 | /// \class AliMUONAlignmentV5 | |
20 | /// Alignment class fro the ALICE DiMuon spectrometer | |
21 | /// | |
22 | /// MUON specific alignment class which interface to AliMillepede. | |
23 | /// For each track ProcessTrack calculates the local and global derivatives | |
24 | /// at each hit and fill the corresponding local equations. Provide methods for | |
25 | /// fixing or constraining detection elements for best results. | |
26 | /// | |
27 | /// \author Bruce Becker, Javier Castillo | |
28 | //----------------------------------------------------------------------------- | |
29 | ||
30 | #include "AliMUONAlignment.h" | |
31 | #include "AliMUONTrack.h" | |
010eb601 | 32 | #include "AliMUONTrackParam.h" |
33 | #include "AliMUONHitForRec.h" | |
34 | #include "AliMUONGeometryTransformer.h" | |
35 | #include "AliMUONGeometryModuleTransformer.h" | |
36 | #include "AliMUONGeometryDetElement.h" | |
010eb601 | 37 | #include "AliMUONGeometryBuilder.h" |
010eb601 | 38 | #include "AliMUONConstants.h" |
010eb601 | 39 | #include "AliMillepede.h" |
40 | ||
8c95578a | 41 | #include "AliMpExMap.h" |
42 | ||
43 | #include "AliLog.h" | |
44 | ||
2060b217 | 45 | #include "TMath.h" |
8c95578a | 46 | #include "TSystem.h" |
47 | ||
78649106 | 48 | /// \cond CLASSIMP |
010eb601 | 49 | ClassImp(AliMUONAlignment) |
78649106 | 50 | /// \endcond |
51 | ||
010eb601 | 52 | Int_t AliMUONAlignment::fgNDetElem = 4*2+4*2+18*2+26*2+26*2; |
53 | Int_t AliMUONAlignment::fgNDetElemCh[10] = {4,4,4,4,18,18,26,26,26,26}; | |
54 | Int_t AliMUONAlignment::fgSNDetElemCh[10] = {4,8,12,16,34,52,78,104,130,156}; | |
55 | Int_t AliMUONAlignment::fgNParCh = 3; | |
3b2890be | 56 | Int_t AliMUONAlignment::fgNTrkMod = 16; |
010eb601 | 57 | Int_t AliMUONAlignment::fgNCh = 10; |
58 | Int_t AliMUONAlignment::fgNSt = 5; | |
59 | ||
8395bff1 | 60 | AliMUONAlignment::AliMUONAlignment() |
61 | : TObject(), | |
62 | fBFieldOn(kTRUE), | |
63 | fStartFac(16.), | |
64 | fResCutInitial(100.), | |
65 | fResCut(100.), | |
66 | fMillepede(0), | |
67 | fTrackParamAtHit(0), | |
68 | fHitForRecAtHit(0), | |
69 | fTrack(0), | |
70 | fRecHit(0), | |
71 | fTrackParam(0), | |
72 | fNGlobal(fgNDetElem*fgNParCh), | |
73 | fNLocal(4), | |
74 | fNStdDev(3), | |
75 | fDetElemId(0), | |
76 | fDetElemNumber(0), | |
77 | fPhi(0.), | |
78 | fCosPhi(1.), | |
79 | fSinPhi(0.), | |
80 | fTransform(0) | |
010eb601 | 81 | { |
82 | /// Default constructor, setting define alignment parameters | |
83 | fSigma[0] = 1.0e-1; | |
84 | fSigma[1] = 1.0e-2; | |
010eb601 | 85 | |
86 | fDoF[0] = kTRUE; fDoF[1] = kTRUE; fDoF[2] = kTRUE; | |
87 | fAllowVar[0] = 0.05; fAllowVar[1] = 0.05; fAllowVar[2] = 0.001; | |
8395bff1 | 88 | |
010eb601 | 89 | 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)); |
90 | ||
91 | fMillepede = new AliMillepede(); | |
92 | ||
93 | Init(fNGlobal, fNLocal, fNStdDev); | |
94 | ||
95 | ResetLocalEquation(); | |
96 | AliInfo("Parameters initialized to zero"); | |
97 | ||
98 | } | |
99 | ||
100 | AliMUONAlignment::~AliMUONAlignment() { | |
101 | /// Destructor | |
102 | } | |
103 | ||
104 | void AliMUONAlignment::Init(Int_t nGlobal, /* number of global paramers */ | |
105 | Int_t nLocal, /* number of local parameters */ | |
106 | Int_t nStdDev /* std dev cut */ ) | |
107 | { | |
108 | /// Initialization of AliMillepede. Fix parameters, define constraints ... | |
109 | fMillepede->InitMille(nGlobal,nLocal,nStdDev,fResCut,fResCutInitial); | |
110 | ||
3b2890be | 111 | Bool_t bStOnOff[5] = {kTRUE,kTRUE,kTRUE,kTRUE,kTRUE}; |
112 | Bool_t bSpecLROnOff[2] = {kTRUE,kTRUE}; | |
010eb601 | 113 | |
114 | AllowVariations(bStOnOff); | |
115 | ||
116 | // Fix parameters or add constraints here | |
117 | for (Int_t iSt=0; iSt<5; iSt++) | |
118 | if (!bStOnOff[iSt]) FixStation(iSt+1); | |
119 | ||
3b2890be | 120 | FixHalfSpectrometer(bStOnOff,bSpecLROnOff); |
121 | ||
010eb601 | 122 | ResetConstraints(); |
3b2890be | 123 | |
124 | // Define global constrains to be applied | |
125 | // X, Y, P, XvsZ, YvsZ, PvsZ, XvsY, YvsY, PvsY | |
126 | Bool_t bVarXYT[9] = {kTRUE,kTRUE,kTRUE,kTRUE,kTRUE,kTRUE,kTRUE,kTRUE,kTRUE}; | |
127 | Bool_t bDetTLBR[4] = {kFALSE,kTRUE,kFALSE,kTRUE}; | |
128 | // AddConstraints(bStOnOff,bVarXYT,bDetTLBR,bSpecLROnOff); | |
129 | ||
130 | // Other possible way to add constrains | |
010eb601 | 131 | bVarXYT[0] = kFALSE; bVarXYT[1] = kFALSE; bVarXYT[2] = kTRUE; |
132 | bDetTLBR[0] = kFALSE; bDetTLBR[1] = kTRUE; bDetTLBR[2] = kFALSE; bDetTLBR[3] = kFALSE; | |
3b2890be | 133 | // AddConstraints(bStOnOff,bVarXYT,bDetTLBR); |
134 | ||
135 | bVarXYT[0] = kTRUE; bVarXYT[1] = kTRUE; bVarXYT[2] = kFALSE; | |
136 | // AddConstraints(bStOnOff,bVarXYT); | |
010eb601 | 137 | |
138 | // Set iterations | |
139 | if (fStartFac>1) fMillepede->SetIterations(fStartFac); | |
140 | } | |
141 | ||
142 | void AliMUONAlignment::FixStation(Int_t iSt){ | |
143 | /// Fix all detection elements of station iSt | |
144 | Int_t iDetElemFirst = (iSt>1) ? fgSNDetElemCh[2*(iSt-1)-1] : 0; | |
145 | Int_t iDetElemLast = fgSNDetElemCh[2*(iSt)-1]; | |
146 | for (Int_t i = iDetElemFirst; i < iDetElemLast; i++){ | |
147 | FixParameter(i*fgNParCh+0, 0.0); | |
148 | FixParameter(i*fgNParCh+1, 0.0); | |
149 | FixParameter(i*fgNParCh+2, 0.0); | |
150 | } | |
151 | } | |
152 | ||
3b2890be | 153 | void AliMUONAlignment::FixHalfSpectrometer(Bool_t *lStOnOff, Bool_t *lSpecLROnOff){ |
154 | /// Fix left or right detector | |
155 | for (Int_t i = 0; i < fgNDetElem; i++){ | |
156 | Int_t iCh=0; | |
157 | for (iCh=1; iCh<=fgNCh; iCh++){ | |
158 | if (i<fgSNDetElemCh[iCh-1]) break; | |
159 | } | |
160 | Int_t iSt = lStOnOff[(iCh-1)/2] ? (iCh+1)/2 : 0; | |
161 | if (iSt){ | |
162 | Int_t lDetElemNumber = (iCh==1) ? i : i-fgSNDetElemCh[iCh-2]; | |
163 | if (iCh>=1 && iCh<=4){ | |
164 | if ((lDetElemNumber==1 || lDetElemNumber==2) && !lSpecLROnOff[0]){ // From track crossings | |
165 | FixParameter(i*fgNParCh+0, 0.0); | |
166 | FixParameter(i*fgNParCh+1, 0.0); | |
167 | FixParameter(i*fgNParCh+2, 0.0); | |
168 | } | |
169 | if ((lDetElemNumber==0 || lDetElemNumber==3) && !lSpecLROnOff[1]){ // From track crossings | |
170 | FixParameter(i*fgNParCh+0, 0.0); | |
171 | FixParameter(i*fgNParCh+1, 0.0); | |
172 | FixParameter(i*fgNParCh+2, 0.0); | |
173 | } | |
174 | } | |
175 | if (iCh>=5 && iCh<=6){ | |
176 | if ((lDetElemNumber>=5&&lDetElemNumber<=13) && !lSpecLROnOff[0]){ | |
177 | FixParameter(i*fgNParCh+0, 0.0); | |
178 | FixParameter(i*fgNParCh+1, 0.0); | |
179 | FixParameter(i*fgNParCh+2, 0.0); | |
180 | } | |
181 | if (((lDetElemNumber>=0&&lDetElemNumber<=4) || | |
182 | (lDetElemNumber>=14&&lDetElemNumber<=17)) && !lSpecLROnOff[1]){ | |
183 | FixParameter(i*fgNParCh+0, 0.0); | |
184 | FixParameter(i*fgNParCh+1, 0.0); | |
185 | FixParameter(i*fgNParCh+2, 0.0); | |
186 | } | |
187 | } | |
188 | if (iCh>=7 && iCh<=10){ | |
189 | if ((lDetElemNumber>=7&&lDetElemNumber<=19) && !lSpecLROnOff[0]){ | |
190 | FixParameter(i*fgNParCh+0, 0.0); | |
191 | FixParameter(i*fgNParCh+1, 0.0); | |
192 | FixParameter(i*fgNParCh+2, 0.0); | |
193 | } | |
194 | if (((lDetElemNumber>=0&&lDetElemNumber<=6) || | |
195 | (lDetElemNumber>=20&&lDetElemNumber<=25)) && !lSpecLROnOff[1]){ | |
196 | FixParameter(i*fgNParCh+0, 0.0); | |
197 | FixParameter(i*fgNParCh+1, 0.0); | |
198 | FixParameter(i*fgNParCh+2, 0.0); | |
199 | } | |
200 | } | |
201 | } | |
202 | } | |
203 | } | |
204 | ||
010eb601 | 205 | void AliMUONAlignment::SetNonLinear(Bool_t *lStOnOff,Bool_t *lVarXYT){ |
206 | /// Set non linear parameter flag selected stations and degrees of freedom | |
207 | for (Int_t i = 0; i < fgNDetElem; i++){ | |
208 | Int_t iCh=0; | |
209 | for (iCh=1; iCh<=fgNCh; iCh++){ | |
210 | if (i<fgSNDetElemCh[iCh-1]) break; | |
211 | } | |
212 | Int_t iSt = lStOnOff[(iCh-1)/2] ? (iCh+1)/2 : 0; | |
213 | if (iSt){ | |
214 | if (lVarXYT[0]) { // X constraint | |
215 | SetNonLinear(i*fgNParCh+0); | |
216 | } | |
217 | if (lVarXYT[1]) { // Y constraint | |
218 | SetNonLinear(i*fgNParCh+1); | |
219 | } | |
220 | if (lVarXYT[2]) { // T constraint | |
221 | SetNonLinear(i*fgNParCh+2); | |
222 | } | |
223 | } | |
224 | } | |
225 | } | |
226 | ||
227 | void AliMUONAlignment::AddConstraints(Bool_t *lStOnOff,Bool_t *lVarXYT){ | |
228 | /// Add constraint equations for selected stations and degrees of freedom | |
229 | for (Int_t i = 0; i < fgNDetElem; i++){ | |
230 | Int_t iCh=0; | |
231 | for (iCh=1; iCh<=fgNCh; iCh++){ | |
232 | if (i<fgSNDetElemCh[iCh-1]) break; | |
233 | } | |
234 | Int_t iSt = lStOnOff[(iCh-1)/2] ? (iCh+1)/2 : 0; | |
235 | if (iSt){ | |
236 | if (lVarXYT[0]) { // X constraint | |
237 | fConstraintX[i*fgNParCh+0]=1.0; | |
238 | } | |
239 | if (lVarXYT[1]) { // Y constraint | |
240 | fConstraintY[i*fgNParCh+1]=1.0; | |
241 | } | |
242 | if (lVarXYT[2]) { // T constraint | |
243 | fConstraintP[i*fgNParCh+2]=1.0; | |
244 | } | |
245 | } | |
246 | } | |
247 | if (lVarXYT[0]) { // X constraint | |
248 | AddConstraint(fConstraintX,0.0); | |
249 | } | |
250 | if (lVarXYT[1]) { // Y constraint | |
251 | AddConstraint(fConstraintY,0.0); | |
252 | } | |
253 | if (lVarXYT[2]) { // T constraint | |
254 | AddConstraint(fConstraintP,0.0); | |
255 | } | |
256 | } | |
257 | ||
3b2890be | 258 | void AliMUONAlignment::AddConstraints(Bool_t *lStOnOff,Bool_t *lVarXYT, Bool_t *lDetTLBR, Bool_t *lSpecLROnOff){ |
259 | /// Add constraint equations for selected stations, degrees of freedom and detector half | |
260 | Double_t lDetElemLocX = 0.; | |
261 | Double_t lDetElemLocY = 0.; | |
262 | Double_t lDetElemLocZ = 0.; | |
263 | Double_t lDetElemGloX = 0.; | |
264 | Double_t lDetElemGloY = 0.; | |
265 | Double_t lDetElemGloZ = 0.; | |
266 | Double_t lMeanY = 0.; | |
267 | Double_t lSigmaY = 0.; | |
268 | Double_t lMeanZ = 0.; | |
269 | Double_t lSigmaZ = 0.; | |
270 | Int_t lNDetElem = 0; | |
010eb601 | 271 | for (Int_t i = 0; i < fgNDetElem; i++){ |
272 | Int_t iCh=0; | |
273 | for (iCh=1; iCh<=fgNCh; iCh++){ | |
274 | if (i<fgSNDetElemCh[iCh-1]) break; | |
275 | } | |
276 | Int_t iSt = lStOnOff[(iCh-1)/2] ? (iCh+1)/2 : 0; | |
277 | if (iSt){ | |
3b2890be | 278 | Int_t lDetElemNumber = (iCh==1) ? i : i-fgSNDetElemCh[iCh-2]; |
279 | Int_t lDetElemId = iCh*100+lDetElemNumber; | |
280 | fTransform->Local2Global(lDetElemId,lDetElemLocX,lDetElemLocY,lDetElemLocZ, | |
281 | lDetElemGloX,lDetElemGloY,lDetElemGloZ); | |
282 | if (iCh>=1 && iCh<=4){ | |
283 | if ((lDetElemNumber==1 || lDetElemNumber==2) && lSpecLROnOff[0]){ // From track crossings | |
284 | lMeanY += lDetElemGloY; | |
285 | lSigmaY += lDetElemGloY*lDetElemGloY; | |
286 | lMeanZ += lDetElemGloZ; | |
287 | lSigmaZ += lDetElemGloZ*lDetElemGloZ; | |
288 | lNDetElem++; | |
289 | } | |
290 | if ((lDetElemNumber==0 || lDetElemNumber==3) && lSpecLROnOff[1]){ // From track crossings | |
291 | lMeanY += lDetElemGloY; | |
292 | lSigmaY += lDetElemGloY*lDetElemGloY; | |
293 | lMeanZ += lDetElemGloZ; | |
294 | lSigmaZ += lDetElemGloZ*lDetElemGloZ; | |
295 | lNDetElem++; | |
296 | } | |
297 | } | |
298 | if (iCh>=5 && iCh<=6){ | |
299 | if ((lDetElemNumber>=5&&lDetElemNumber<=13) && lSpecLROnOff[0]){ | |
300 | lMeanY += lDetElemGloY; | |
301 | lSigmaY += lDetElemGloY*lDetElemGloY; | |
302 | lMeanZ += lDetElemGloZ; | |
303 | lSigmaZ += lDetElemGloZ*lDetElemGloZ; | |
304 | lNDetElem++; | |
305 | } | |
306 | if (((lDetElemNumber>=0&&lDetElemNumber<=4) || | |
307 | (lDetElemNumber>=14&&lDetElemNumber<=17)) && lSpecLROnOff[1]){ | |
308 | lMeanY += lDetElemGloY; | |
309 | lSigmaY += lDetElemGloY*lDetElemGloY; | |
310 | lMeanZ += lDetElemGloZ; | |
311 | lSigmaZ += lDetElemGloZ*lDetElemGloZ; | |
312 | lNDetElem++; | |
313 | } | |
314 | } | |
315 | if (iCh>=7 && iCh<=10){ | |
316 | if ((lDetElemNumber>=7&&lDetElemNumber<=19) && lSpecLROnOff[0]){ | |
317 | lMeanY += lDetElemGloY; | |
318 | lSigmaY += lDetElemGloY*lDetElemGloY; | |
319 | lMeanZ += lDetElemGloZ; | |
320 | lSigmaZ += lDetElemGloZ*lDetElemGloZ; | |
321 | lNDetElem++; | |
322 | } | |
323 | if (((lDetElemNumber>=0&&lDetElemNumber<=6) || | |
324 | (lDetElemNumber>=20&&lDetElemNumber<=25)) && lSpecLROnOff[1]){ | |
325 | lMeanY += lDetElemGloY; | |
326 | lSigmaY += lDetElemGloY*lDetElemGloY; | |
327 | lMeanZ += lDetElemGloZ; | |
328 | lSigmaZ += lDetElemGloZ*lDetElemGloZ; | |
329 | lNDetElem++; | |
330 | } | |
331 | } | |
332 | } | |
333 | } | |
334 | lMeanY /= lNDetElem; | |
335 | lSigmaY /= lNDetElem; | |
336 | lSigmaY = TMath::Sqrt(lSigmaY-lMeanY*lMeanY); | |
337 | lMeanZ /= lNDetElem; | |
338 | lSigmaZ /= lNDetElem; | |
339 | lSigmaZ = TMath::Sqrt(lSigmaZ-lMeanZ*lMeanZ); | |
340 | AliInfo(Form("Used %i DetElem, MeanZ= %f , SigmaZ= %f", lNDetElem,lMeanZ,lSigmaZ)); | |
341 | ||
342 | for (Int_t i = 0; i < fgNDetElem; i++){ | |
343 | Int_t iCh=0; | |
344 | for (iCh=1; iCh<=fgNCh; iCh++){ | |
345 | if (i<fgSNDetElemCh[iCh-1]) break; | |
346 | } | |
347 | Int_t iSt = lStOnOff[(iCh-1)/2] ? (iCh+1)/2 : 0; | |
348 | if (iSt){ | |
349 | Int_t lDetElemNumber = (iCh==1) ? i : i-fgSNDetElemCh[iCh-2]; | |
350 | Int_t lDetElemId = iCh*100+lDetElemNumber; | |
351 | fTransform->Local2Global(lDetElemId,lDetElemLocX,lDetElemLocY,lDetElemLocZ, | |
352 | lDetElemGloX,lDetElemGloY,lDetElemGloZ); | |
010eb601 | 353 | if (lVarXYT[0]) { // X constraint |
354 | if (lDetTLBR[0]) ConstrainT(i,iCh,fConstraintXT,0); // Top half | |
355 | if (lDetTLBR[1]) ConstrainL(i,iCh,fConstraintXL,0); // Left half | |
356 | if (lDetTLBR[2]) ConstrainB(i,iCh,fConstraintXB,0); // Bottom half | |
357 | if (lDetTLBR[3]) ConstrainR(i,iCh,fConstraintXR,0); // Right half | |
358 | } | |
3b2890be | 359 | if (lVarXYT[1]) { // Y constraint |
010eb601 | 360 | if (lDetTLBR[0]) ConstrainT(i,iCh,fConstraintYT,1); // Top half |
361 | if (lDetTLBR[1]) ConstrainL(i,iCh,fConstraintYL,1); // Left half | |
362 | if (lDetTLBR[2]) ConstrainB(i,iCh,fConstraintYB,1); // Bottom half | |
363 | if (lDetTLBR[3]) ConstrainR(i,iCh,fConstraintYR,1); // Right half | |
364 | } | |
3b2890be | 365 | if (lVarXYT[2]) { // P constraint |
010eb601 | 366 | if (lDetTLBR[0]) ConstrainT(i,iCh,fConstraintPT,2); // Top half |
367 | if (lDetTLBR[1]) ConstrainL(i,iCh,fConstraintPL,2); // Left half | |
368 | if (lDetTLBR[2]) ConstrainB(i,iCh,fConstraintPB,2); // Bottom half | |
369 | if (lDetTLBR[3]) ConstrainR(i,iCh,fConstraintPR,2); // Right half | |
370 | } | |
3b2890be | 371 | if (lVarXYT[3]) { // X-Z shearing |
372 | if (lDetTLBR[0]) ConstrainT(i,iCh,fConstraintXZT,0,(lDetElemGloZ-lMeanZ)/lSigmaZ); // Top half | |
373 | if (lDetTLBR[1]) ConstrainL(i,iCh,fConstraintXZL,0,(lDetElemGloZ-lMeanZ)/lSigmaZ); // Left half | |
374 | if (lDetTLBR[2]) ConstrainB(i,iCh,fConstraintXZB,0,(lDetElemGloZ-lMeanZ)/lSigmaZ); // Bottom half | |
375 | if (lDetTLBR[3]) ConstrainR(i,iCh,fConstraintXZR,0,(lDetElemGloZ-lMeanZ)/lSigmaZ); // Right half | |
376 | } | |
377 | if (lVarXYT[4]) { // Y-Z shearing | |
378 | if (lDetTLBR[0]) ConstrainT(i,iCh,fConstraintYZT,1,(lDetElemGloZ-lMeanZ)/lSigmaZ); // Top half | |
379 | if (lDetTLBR[1]) ConstrainL(i,iCh,fConstraintYZL,1,(lDetElemGloZ-lMeanZ)/lSigmaZ); // Left half | |
380 | if (lDetTLBR[2]) ConstrainB(i,iCh,fConstraintYZB,1,(lDetElemGloZ-lMeanZ)/lSigmaZ); // Bottom half | |
381 | if (lDetTLBR[3]) ConstrainR(i,iCh,fConstraintYZR,1,(lDetElemGloZ-lMeanZ)/lSigmaZ); // Right half | |
382 | } | |
383 | if (lVarXYT[5]) { // P-Z rotation | |
384 | if (lDetTLBR[0]) ConstrainT(i,iCh,fConstraintPZT,2,(lDetElemGloZ-lMeanZ)/lSigmaZ); // Top half | |
385 | if (lDetTLBR[1]) ConstrainL(i,iCh,fConstraintPZL,2,(lDetElemGloZ-lMeanZ)/lSigmaZ); // Left half | |
386 | if (lDetTLBR[2]) ConstrainB(i,iCh,fConstraintPZB,2,(lDetElemGloZ-lMeanZ)/lSigmaZ); // Bottom half | |
387 | if (lDetTLBR[3]) ConstrainR(i,iCh,fConstraintPZR,2,(lDetElemGloZ-lMeanZ)/lSigmaZ); // Right half | |
388 | } | |
389 | if (lVarXYT[6]) { // X-Y shearing | |
390 | if (lDetTLBR[0]) ConstrainT(i,iCh,fConstraintXYT,0,(lDetElemGloY-lMeanY)/lSigmaY); // Top half | |
391 | if (lDetTLBR[1]) ConstrainL(i,iCh,fConstraintXYL,0,(lDetElemGloY-lMeanY)/lSigmaY); // Left half | |
392 | if (lDetTLBR[2]) ConstrainB(i,iCh,fConstraintXYB,0,(lDetElemGloY-lMeanY)/lSigmaY); // Bottom half | |
393 | if (lDetTLBR[3]) ConstrainR(i,iCh,fConstraintXYR,0,(lDetElemGloY-lMeanY)/lSigmaY); // Right half | |
394 | } | |
395 | if (lVarXYT[7]) { // Y-Y scaling | |
396 | if (lDetTLBR[0]) ConstrainT(i,iCh,fConstraintYYT,1,(lDetElemGloY-lMeanY)/lSigmaY); // Top half | |
397 | if (lDetTLBR[1]) ConstrainL(i,iCh,fConstraintYYL,1,(lDetElemGloY-lMeanY)/lSigmaY); // Left half | |
398 | if (lDetTLBR[2]) ConstrainB(i,iCh,fConstraintYYB,1,(lDetElemGloY-lMeanY)/lSigmaY); // Bottom half | |
399 | if (lDetTLBR[3]) ConstrainR(i,iCh,fConstraintYYR,1,(lDetElemGloY-lMeanY)/lSigmaY); // Right half | |
400 | } | |
401 | if (lVarXYT[8]) { // P-Y rotation | |
402 | if (lDetTLBR[0]) ConstrainT(i,iCh,fConstraintPYT,2,(lDetElemGloY-lMeanY)/lSigmaY); // Top half | |
403 | if (lDetTLBR[1]) ConstrainL(i,iCh,fConstraintPYL,2,(lDetElemGloY-lMeanY)/lSigmaY); // Left half | |
404 | if (lDetTLBR[2]) ConstrainB(i,iCh,fConstraintPYB,2,(lDetElemGloY-lMeanY)/lSigmaY); // Bottom half | |
405 | if (lDetTLBR[3]) ConstrainR(i,iCh,fConstraintPYR,2,(lDetElemGloY-lMeanY)/lSigmaY); // Right half | |
406 | } | |
010eb601 | 407 | } |
408 | } | |
409 | if (lVarXYT[0]) { // X constraint | |
410 | if (lDetTLBR[0]) AddConstraint(fConstraintXT,0.0); // Top half | |
411 | if (lDetTLBR[1]) AddConstraint(fConstraintXL,0.0); // Left half | |
412 | if (lDetTLBR[2]) AddConstraint(fConstraintXB,0.0); // Bottom half | |
413 | if (lDetTLBR[3]) AddConstraint(fConstraintXR,0.0); // Right half | |
414 | } | |
415 | if (lVarXYT[1]) { // Y constraint | |
416 | if (lDetTLBR[0]) AddConstraint(fConstraintYT,0.0); // Top half | |
417 | if (lDetTLBR[1]) AddConstraint(fConstraintYL,0.0); // Left half | |
418 | if (lDetTLBR[2]) AddConstraint(fConstraintYB,0.0); // Bottom half | |
419 | if (lDetTLBR[3]) AddConstraint(fConstraintYR,0.0); // Right half | |
420 | } | |
421 | if (lVarXYT[2]) { // T constraint | |
422 | if (lDetTLBR[0]) AddConstraint(fConstraintPT,0.0); // Top half | |
423 | if (lDetTLBR[1]) AddConstraint(fConstraintPL,0.0); // Left half | |
424 | if (lDetTLBR[2]) AddConstraint(fConstraintPB,0.0); // Bottom half | |
425 | if (lDetTLBR[3]) AddConstraint(fConstraintPR,0.0); // Right half | |
426 | } | |
3b2890be | 427 | if (lVarXYT[3]) { // X-Z constraint |
428 | if (lDetTLBR[0]) AddConstraint(fConstraintXZT,0.0); // Top half | |
429 | if (lDetTLBR[1]) AddConstraint(fConstraintXZL,0.0); // Left half | |
430 | if (lDetTLBR[2]) AddConstraint(fConstraintXZB,0.0); // Bottom half | |
431 | if (lDetTLBR[3]) AddConstraint(fConstraintXZR,0.0); // Right half | |
432 | } | |
433 | if (lVarXYT[4]) { // Y-Z constraint | |
434 | if (lDetTLBR[0]) AddConstraint(fConstraintYZT,0.0); // Top half | |
435 | if (lDetTLBR[1]) AddConstraint(fConstraintYZL,0.0); // Left half | |
436 | if (lDetTLBR[2]) AddConstraint(fConstraintYZB,0.0); // Bottom half | |
437 | if (lDetTLBR[3]) AddConstraint(fConstraintYZR,0.0); // Right half | |
438 | } | |
439 | if (lVarXYT[5]) { // P-Z constraint | |
440 | if (lDetTLBR[0]) AddConstraint(fConstraintPZT,0.0); // Top half | |
441 | if (lDetTLBR[1]) AddConstraint(fConstraintPZL,0.0); // Left half | |
442 | if (lDetTLBR[2]) AddConstraint(fConstraintPZB,0.0); // Bottom half | |
443 | if (lDetTLBR[3]) AddConstraint(fConstraintPZR,0.0); // Right half | |
444 | } | |
445 | if (lVarXYT[6]) { // X-Y constraint | |
446 | if (lDetTLBR[0]) AddConstraint(fConstraintXYT,0.0); // Top half | |
447 | if (lDetTLBR[1]) AddConstraint(fConstraintXYL,0.0); // Left half | |
448 | if (lDetTLBR[2]) AddConstraint(fConstraintXYB,0.0); // Bottom half | |
449 | if (lDetTLBR[3]) AddConstraint(fConstraintXYR,0.0); // Right half | |
450 | } | |
451 | if (lVarXYT[7]) { // Y-Y constraint | |
452 | if (lDetTLBR[0]) AddConstraint(fConstraintYYT,0.0); // Top half | |
453 | if (lDetTLBR[1]) AddConstraint(fConstraintYYL,0.0); // Left half | |
454 | if (lDetTLBR[2]) AddConstraint(fConstraintYYB,0.0); // Bottom half | |
455 | if (lDetTLBR[3]) AddConstraint(fConstraintYYR,0.0); // Right half | |
456 | } | |
457 | if (lVarXYT[8]) { // P-Y constraint | |
458 | if (lDetTLBR[0]) AddConstraint(fConstraintPYT,0.0); // Top half | |
459 | if (lDetTLBR[1]) AddConstraint(fConstraintPYL,0.0); // Left half | |
460 | if (lDetTLBR[2]) AddConstraint(fConstraintPYB,0.0); // Bottom half | |
461 | if (lDetTLBR[3]) AddConstraint(fConstraintPYR,0.0); // Right half | |
462 | } | |
010eb601 | 463 | } |
464 | ||
8ec2f43d | 465 | void AliMUONAlignment::ConstrainT(Int_t lDetElem, Int_t lCh, Double_t *lConstraintT, Int_t iVar, Double_t /*lWeight*/){ |
010eb601 | 466 | /// Set constrain equation for top half of spectrometer |
467 | Int_t lDetElemNumber = (lCh==1) ? lDetElem : lDetElem-fgSNDetElemCh[lCh-2]; | |
468 | if (lCh>=1 && lCh<=4){ | |
469 | if (lDetElemNumber==0 || lDetElemNumber==1){ // From track crossings | |
470 | lConstraintT[lDetElem*fgNParCh+iVar]=1.0; | |
471 | } | |
472 | } | |
473 | if (lCh>=5 && lCh<=6){ | |
474 | if (lDetElemNumber>=0&&lDetElemNumber<=9){ | |
475 | lConstraintT[lDetElem*fgNParCh+iVar]=1.0; | |
476 | } | |
477 | } | |
478 | if (lCh>=7 && lCh<=10){ | |
479 | if (lDetElemNumber>=0&&lDetElemNumber<=13){ | |
480 | lConstraintT[lDetElem*fgNParCh+iVar]=1.0; | |
481 | } | |
482 | } | |
483 | } | |
484 | ||
3b2890be | 485 | void AliMUONAlignment::ConstrainL(Int_t lDetElem, Int_t lCh, Double_t *lConstraintL, Int_t iVar, Double_t lWeight){ |
010eb601 | 486 | /// Set constrain equation for left half of spectrometer |
487 | Int_t lDetElemNumber = (lCh==1) ? lDetElem : lDetElem-fgSNDetElemCh[lCh-2]; | |
488 | if (lCh>=1 && lCh<=4){ | |
489 | if (lDetElemNumber==1 || lDetElemNumber==2){ // From track crossings | |
3b2890be | 490 | lConstraintL[lDetElem*fgNParCh+iVar]=lWeight; |
010eb601 | 491 | } |
492 | } | |
493 | if (lCh>=5 && lCh<=6){ | |
494 | if (lDetElemNumber>=5&&lDetElemNumber<=13){ | |
3b2890be | 495 | lConstraintL[lDetElem*fgNParCh+iVar]=lWeight; |
010eb601 | 496 | } |
497 | } | |
498 | if (lCh>=7 && lCh<=10){ | |
499 | if (lDetElemNumber>=7&&lDetElemNumber<=19){ | |
3b2890be | 500 | lConstraintL[lDetElem*fgNParCh+iVar]=lWeight; |
010eb601 | 501 | } |
502 | } | |
503 | } | |
504 | ||
8ec2f43d | 505 | void AliMUONAlignment::ConstrainB(Int_t lDetElem, Int_t lCh, Double_t *lConstraintB, Int_t iVar, Double_t /*lWeight*/){ |
010eb601 | 506 | /// Set constrain equation for bottom half of spectrometer |
507 | Int_t lDetElemNumber = (lCh==1) ? lDetElem : lDetElem-fgSNDetElemCh[lCh-2]; | |
508 | if (lCh>=1 && lCh<=4){ | |
3b2890be | 509 | if (lDetElemNumber==2 || lDetElemNumber==3){ // From track crossings |
010eb601 | 510 | lConstraintB[lDetElem*fgNParCh+iVar]=1.0; |
511 | } | |
512 | } | |
513 | if (lCh>=5 && lCh<=6){ | |
514 | if ((lDetElemNumber>=9&&lDetElemNumber<=17) || | |
515 | (lDetElemNumber==0)){ | |
516 | lConstraintB[lDetElem*fgNParCh+iVar]=1.0; | |
517 | } | |
518 | } | |
519 | if (lCh>=7 && lCh<=10){ | |
520 | if ((lDetElemNumber>=13&&lDetElemNumber<=25) || | |
521 | (lDetElemNumber==0)){ | |
522 | lConstraintB[lDetElem*fgNParCh+iVar]=1.0; | |
523 | } | |
524 | } | |
525 | } | |
526 | ||
3b2890be | 527 | void AliMUONAlignment::ConstrainR(Int_t lDetElem, Int_t lCh, Double_t *lConstraintR, Int_t iVar, Double_t lWeight){ |
010eb601 | 528 | /// Set constrain equation for right half of spectrometer |
529 | Int_t lDetElemNumber = (lCh==1) ? lDetElem : lDetElem-fgSNDetElemCh[lCh-2]; | |
530 | if (lCh>=1 && lCh<=4){ | |
3b2890be | 531 | if (lDetElemNumber==0 || lDetElemNumber==3){ // From track crossings |
532 | lConstraintR[lDetElem*fgNParCh+iVar]=lWeight; | |
010eb601 | 533 | } |
534 | } | |
535 | if (lCh>=5 && lCh<=6){ | |
536 | if ((lDetElemNumber>=0&&lDetElemNumber<=4) || | |
537 | (lDetElemNumber>=14&&lDetElemNumber<=17)){ | |
3b2890be | 538 | lConstraintR[lDetElem*fgNParCh+iVar]=lWeight; |
010eb601 | 539 | } |
540 | } | |
541 | if (lCh>=7 && lCh<=10){ | |
542 | if ((lDetElemNumber>=0&&lDetElemNumber<=6) || | |
543 | (lDetElemNumber>=20&&lDetElemNumber<=25)){ | |
3b2890be | 544 | lConstraintR[lDetElem*fgNParCh+iVar]=lWeight; |
010eb601 | 545 | } |
546 | } | |
547 | } | |
548 | ||
549 | void AliMUONAlignment::ResetConstraints(){ | |
550 | /// Reset all constraint equations | |
551 | for (Int_t i = 0; i < fgNDetElem; i++){ | |
3b2890be | 552 | fConstraintX[i*fgNParCh+0]=0.0; |
553 | fConstraintX[i*fgNParCh+1]=0.0; | |
554 | fConstraintX[i*fgNParCh+2]=0.0; | |
555 | fConstraintY[i*fgNParCh+0]=0.0; | |
556 | fConstraintY[i*fgNParCh+1]=0.0; | |
557 | fConstraintY[i*fgNParCh+2]=0.0; | |
558 | fConstraintP[i*fgNParCh+0]=0.0; | |
559 | fConstraintP[i*fgNParCh+1]=0.0; | |
560 | fConstraintP[i*fgNParCh+2]=0.0; | |
561 | fConstraintXT[i*fgNParCh+0]=0.0; | |
562 | fConstraintXT[i*fgNParCh+1]=0.0; | |
563 | fConstraintXT[i*fgNParCh+2]=0.0; | |
564 | fConstraintYT[i*fgNParCh+0]=0.0; | |
565 | fConstraintYT[i*fgNParCh+1]=0.0; | |
566 | fConstraintYT[i*fgNParCh+2]=0.0; | |
567 | fConstraintPT[i*fgNParCh+0]=0.0; | |
568 | fConstraintPT[i*fgNParCh+1]=0.0; | |
569 | fConstraintPT[i*fgNParCh+2]=0.0; | |
570 | fConstraintXZT[i*fgNParCh+0]=0.0; | |
571 | fConstraintXZT[i*fgNParCh+1]=0.0; | |
572 | fConstraintXZT[i*fgNParCh+2]=0.0; | |
573 | fConstraintYZT[i*fgNParCh+0]=0.0; | |
574 | fConstraintYZT[i*fgNParCh+1]=0.0; | |
575 | fConstraintYZT[i*fgNParCh+2]=0.0; | |
576 | fConstraintPZT[i*fgNParCh+0]=0.0; | |
577 | fConstraintPZT[i*fgNParCh+1]=0.0; | |
578 | fConstraintPZT[i*fgNParCh+2]=0.0; | |
579 | fConstraintXYT[i*fgNParCh+0]=0.0; | |
580 | fConstraintXYT[i*fgNParCh+1]=0.0; | |
581 | fConstraintXYT[i*fgNParCh+2]=0.0; | |
582 | fConstraintYYT[i*fgNParCh+0]=0.0; | |
583 | fConstraintYYT[i*fgNParCh+1]=0.0; | |
584 | fConstraintYYT[i*fgNParCh+2]=0.0; | |
585 | fConstraintPYT[i*fgNParCh+0]=0.0; | |
586 | fConstraintPYT[i*fgNParCh+1]=0.0; | |
587 | fConstraintPYT[i*fgNParCh+2]=0.0; | |
588 | fConstraintXL[i*fgNParCh+0]=0.0; | |
589 | fConstraintXL[i*fgNParCh+1]=0.0; | |
590 | fConstraintXL[i*fgNParCh+2]=0.0; | |
591 | fConstraintYL[i*fgNParCh+0]=0.0; | |
592 | fConstraintYL[i*fgNParCh+1]=0.0; | |
593 | fConstraintYL[i*fgNParCh+2]=0.0; | |
594 | fConstraintPL[i*fgNParCh+0]=0.0; | |
595 | fConstraintPL[i*fgNParCh+1]=0.0; | |
596 | fConstraintPL[i*fgNParCh+2]=0.0; | |
597 | fConstraintXZL[i*fgNParCh+0]=0.0; | |
598 | fConstraintXZL[i*fgNParCh+1]=0.0; | |
599 | fConstraintXZL[i*fgNParCh+2]=0.0; | |
600 | fConstraintYZL[i*fgNParCh+0]=0.0; | |
601 | fConstraintYZL[i*fgNParCh+1]=0.0; | |
602 | fConstraintYZL[i*fgNParCh+2]=0.0; | |
603 | fConstraintPZL[i*fgNParCh+0]=0.0; | |
604 | fConstraintPZL[i*fgNParCh+1]=0.0; | |
605 | fConstraintPZL[i*fgNParCh+2]=0.0; | |
606 | fConstraintXYL[i*fgNParCh+0]=0.0; | |
607 | fConstraintXYL[i*fgNParCh+1]=0.0; | |
608 | fConstraintXYL[i*fgNParCh+2]=0.0; | |
609 | fConstraintYYL[i*fgNParCh+0]=0.0; | |
610 | fConstraintYYL[i*fgNParCh+1]=0.0; | |
611 | fConstraintYYL[i*fgNParCh+2]=0.0; | |
612 | fConstraintPYL[i*fgNParCh+0]=0.0; | |
613 | fConstraintPYL[i*fgNParCh+1]=0.0; | |
614 | fConstraintPYL[i*fgNParCh+2]=0.0; | |
615 | fConstraintXB[i*fgNParCh+0]=0.0; | |
616 | fConstraintXB[i*fgNParCh+1]=0.0; | |
617 | fConstraintXB[i*fgNParCh+2]=0.0; | |
618 | fConstraintYB[i*fgNParCh+0]=0.0; | |
619 | fConstraintYB[i*fgNParCh+1]=0.0; | |
620 | fConstraintYB[i*fgNParCh+2]=0.0; | |
621 | fConstraintPB[i*fgNParCh+0]=0.0; | |
622 | fConstraintPB[i*fgNParCh+1]=0.0; | |
623 | fConstraintPB[i*fgNParCh+2]=0.0; | |
624 | fConstraintXZB[i*fgNParCh+0]=0.0; | |
625 | fConstraintXZB[i*fgNParCh+1]=0.0; | |
626 | fConstraintXZB[i*fgNParCh+2]=0.0; | |
627 | fConstraintYZB[i*fgNParCh+0]=0.0; | |
628 | fConstraintYZB[i*fgNParCh+1]=0.0; | |
629 | fConstraintYZB[i*fgNParCh+2]=0.0; | |
630 | fConstraintPZB[i*fgNParCh+0]=0.0; | |
631 | fConstraintPZB[i*fgNParCh+1]=0.0; | |
632 | fConstraintPZB[i*fgNParCh+2]=0.0; | |
633 | fConstraintXYB[i*fgNParCh+0]=0.0; | |
634 | fConstraintXYB[i*fgNParCh+1]=0.0; | |
635 | fConstraintXYB[i*fgNParCh+2]=0.0; | |
636 | fConstraintYYB[i*fgNParCh+0]=0.0; | |
637 | fConstraintYYB[i*fgNParCh+1]=0.0; | |
638 | fConstraintYYB[i*fgNParCh+2]=0.0; | |
639 | fConstraintPYB[i*fgNParCh+0]=0.0; | |
640 | fConstraintPYB[i*fgNParCh+1]=0.0; | |
641 | fConstraintPYB[i*fgNParCh+2]=0.0; | |
642 | fConstraintXR[i*fgNParCh+0]=0.0; | |
643 | fConstraintXR[i*fgNParCh+1]=0.0; | |
644 | fConstraintXR[i*fgNParCh+2]=0.0; | |
645 | fConstraintYR[i*fgNParCh+0]=0.0; | |
646 | fConstraintYR[i*fgNParCh+1]=0.0; | |
647 | fConstraintYR[i*fgNParCh+2]=0.0; | |
648 | fConstraintPR[i*fgNParCh+0]=0.0; | |
649 | fConstraintPR[i*fgNParCh+1]=0.0; | |
650 | fConstraintPR[i*fgNParCh+2]=0.0; | |
651 | fConstraintXZR[i*fgNParCh+0]=0.0; | |
652 | fConstraintXZR[i*fgNParCh+1]=0.0; | |
653 | fConstraintXZR[i*fgNParCh+2]=0.0; | |
654 | fConstraintYZR[i*fgNParCh+0]=0.0; | |
655 | fConstraintYZR[i*fgNParCh+1]=0.0; | |
656 | fConstraintYZR[i*fgNParCh+2]=0.0; | |
657 | fConstraintPZR[i*fgNParCh+0]=0.0; | |
658 | fConstraintPZR[i*fgNParCh+1]=0.0; | |
659 | fConstraintPZR[i*fgNParCh+2]=0.0; | |
660 | fConstraintPZR[i*fgNParCh+0]=0.0; | |
661 | fConstraintPZR[i*fgNParCh+1]=0.0; | |
662 | fConstraintPZR[i*fgNParCh+2]=0.0; | |
663 | fConstraintXYR[i*fgNParCh+0]=0.0; | |
664 | fConstraintXYR[i*fgNParCh+1]=0.0; | |
665 | fConstraintXYR[i*fgNParCh+2]=0.0; | |
666 | fConstraintYYR[i*fgNParCh+0]=0.0; | |
667 | fConstraintYYR[i*fgNParCh+1]=0.0; | |
668 | fConstraintYYR[i*fgNParCh+2]=0.0; | |
669 | fConstraintPYR[i*fgNParCh+0]=0.0; | |
670 | fConstraintPYR[i*fgNParCh+1]=0.0; | |
671 | fConstraintPYR[i*fgNParCh+2]=0.0; | |
010eb601 | 672 | } |
673 | } | |
674 | ||
675 | void AliMUONAlignment::AddConstraint(Double_t *par, Double_t value) { | |
676 | /// Constrain equation defined by par to value | |
677 | fMillepede->SetGlobalConstraint(par, value); | |
678 | AliInfo("Adding constraint"); | |
679 | } | |
680 | ||
681 | void AliMUONAlignment::InitGlobalParameters(Double_t *par) { | |
682 | /// Initialize global parameters with par array | |
683 | fMillepede->SetGlobalParameters(par); | |
684 | AliInfo("Init Global Parameters"); | |
685 | } | |
686 | ||
687 | void AliMUONAlignment::FixParameter(Int_t iPar, Double_t value) { | |
688 | /// Parameter iPar is encourage to vary in [-value;value]. | |
689 | /// If value == 0, parameter is fixed | |
690 | fMillepede->SetParSigma(iPar, value); | |
691 | if (value==0) AliInfo(Form("Parameter %i Fixed", iPar)); | |
692 | } | |
693 | ||
694 | void AliMUONAlignment::ResetLocalEquation() | |
695 | { | |
696 | /// Reset the derivative vectors | |
697 | for(int i=0; i<fNLocal; i++) { | |
698 | fLocalDerivatives[i] = 0.0; | |
699 | } | |
700 | for(int i=0; i<fNGlobal; i++) { | |
701 | fGlobalDerivatives[i] = 0.0; | |
702 | } | |
703 | } | |
704 | ||
705 | void AliMUONAlignment::AllowVariations(Bool_t *bStOnOff) { | |
706 | /// Set allowed variation for selected stations based on fDoF and fAllowVar | |
707 | for (Int_t iSt=1; iSt<=5; iSt++) { | |
708 | if (bStOnOff[iSt-1]) { | |
709 | Int_t iDetElemFirst = (iSt>1) ? fgSNDetElemCh[2*(iSt-1)-1] : 0; | |
710 | Int_t iDetElemLast = fgSNDetElemCh[2*(iSt)-1]; | |
711 | for (int i=0; i<fgNParCh; i++) { | |
712 | AliDebug(1,Form("fDoF[%d]= %d",i,fDoF[i])); | |
713 | if (fDoF[i]) { | |
714 | for (Int_t j=iDetElemFirst; j<iDetElemLast; j++){ | |
715 | FixParameter(j*fgNParCh+i, fAllowVar[i]); | |
716 | } | |
717 | } | |
718 | } | |
719 | } | |
720 | } | |
721 | } | |
722 | ||
723 | void AliMUONAlignment::SetNonLinear(Int_t iPar /* set non linear flag */ ) { | |
724 | /// Set nonlinear flag for parameter iPar | |
725 | fMillepede->SetNonLinear(iPar); | |
726 | AliInfo(Form("Parameter %i set to non linear", iPar)); | |
727 | } | |
728 | ||
729 | void AliMUONAlignment::LocalEquationX() { | |
730 | /// Define local equation for current track and hit in x coor. measurement | |
731 | // set local derivatives | |
732 | SetLocalDerivative(0, fCosPhi); | |
733 | SetLocalDerivative(1, fCosPhi * (fTrackPos[2] - fTrackPos0[2])); | |
734 | SetLocalDerivative(2, fSinPhi); | |
735 | SetLocalDerivative(3, fSinPhi * (fTrackPos[2] - fTrackPos0[2])); | |
736 | ||
737 | // set global derivatives | |
3b2890be | 738 | SetGlobalDerivative(fDetElemNumber*fgNParCh+0, -fCosPhi); |
739 | SetGlobalDerivative(fDetElemNumber*fgNParCh+1, -fSinPhi); | |
010eb601 | 740 | if (fBFieldOn){ |
741 | SetGlobalDerivative(fDetElemNumber*fgNParCh+2, | |
742 | -fSinPhi*(fTrackPos[0]-fDetElemPos[0]) | |
743 | +fCosPhi*(fTrackPos[1]-fDetElemPos[1])); | |
744 | } | |
745 | else { | |
746 | SetGlobalDerivative(fDetElemNumber*fgNParCh+2, | |
747 | -fSinPhi*(fTrackPos0[0]+fTrackSlope0[0]* | |
748 | (fTrackPos[2]-fTrackPos0[2])-fDetElemPos[0]) | |
749 | +fCosPhi*(fTrackPos0[1]+fTrackSlope0[1]* | |
750 | (fTrackPos[2]-fTrackPos0[2])-fDetElemPos[1])); | |
751 | } | |
752 | ||
753 | fMillepede->SetLocalEquation(fGlobalDerivatives, fLocalDerivatives, fMeas[0], fSigma[0]); | |
754 | } | |
755 | ||
756 | void AliMUONAlignment::LocalEquationY() { | |
757 | /// Define local equation for current track and hit in y coor. measurement | |
758 | // set local derivatives | |
759 | SetLocalDerivative(0,-fSinPhi); | |
760 | SetLocalDerivative(1,-fSinPhi * (fTrackPos[2] - fTrackPos0[2])); | |
761 | SetLocalDerivative(2, fCosPhi); | |
762 | SetLocalDerivative(3, fCosPhi * (fTrackPos[2] - fTrackPos0[2])); | |
763 | ||
764 | // set global derivatives | |
3b2890be | 765 | SetGlobalDerivative(fDetElemNumber*fgNParCh+0, fSinPhi); |
766 | SetGlobalDerivative(fDetElemNumber*fgNParCh+1, -fCosPhi); | |
010eb601 | 767 | if (fBFieldOn){ |
768 | SetGlobalDerivative(fDetElemNumber*fgNParCh+2, | |
769 | -fCosPhi*(fTrackPos[0]-fDetElemPos[0]) | |
770 | -fSinPhi*(fTrackPos[1]-fDetElemPos[1])); | |
771 | } | |
772 | else { | |
773 | SetGlobalDerivative(fDetElemNumber*fgNParCh+2, | |
774 | -fCosPhi*(fTrackPos0[0]+fTrackSlope0[0]* | |
775 | (fTrackPos[2]-fTrackPos0[2])-fDetElemPos[0]) | |
776 | -fSinPhi*(fTrackPos0[1]+fTrackSlope0[1]* | |
777 | (fTrackPos[2]-fTrackPos0[2])-fDetElemPos[1])); | |
778 | } | |
779 | ||
780 | fMillepede->SetLocalEquation(fGlobalDerivatives, fLocalDerivatives, fMeas[1], fSigma[1]); | |
781 | } | |
782 | ||
783 | void AliMUONAlignment::FillRecPointData() { | |
784 | /// Get information of current hit | |
785 | fClustPos[0] = fRecHit->GetNonBendingCoor(); | |
786 | fClustPos[1] = fRecHit->GetBendingCoor(); | |
787 | fClustPos[2] = fRecHit->GetZ(); | |
788 | fTransform->Global2Local(fDetElemId,fClustPos[0],fClustPos[1],fClustPos[2], | |
789 | fClustPosLoc[0],fClustPosLoc[1],fClustPosLoc[2]); | |
790 | } | |
791 | ||
792 | void AliMUONAlignment::FillTrackParamData() { | |
793 | /// Get information of current track at current hit | |
794 | fTrackPos[0] = fTrackParam->GetNonBendingCoor(); | |
795 | fTrackPos[1] = fTrackParam->GetBendingCoor(); | |
796 | fTrackPos[2] = fTrackParam->GetZ(); | |
797 | fTrackSlope[0] = fTrackParam->GetNonBendingSlope(); | |
798 | fTrackSlope[1] = fTrackParam->GetBendingSlope(); | |
799 | fTransform->Global2Local(fDetElemId,fTrackPos[0],fTrackPos[1],fTrackPos[2], | |
800 | fTrackPosLoc[0],fTrackPosLoc[1],fTrackPosLoc[2]); | |
801 | } | |
802 | ||
803 | void AliMUONAlignment::FillDetElemData() { | |
804 | /// Get information of current detection element | |
805 | Double_t lDetElemLocX = 0.; | |
806 | Double_t lDetElemLocY = 0.; | |
807 | Double_t lDetElemLocZ = 0.; | |
808 | fDetElemId = fRecHit->GetDetElemId(); | |
809 | fDetElemNumber = fDetElemId%100; | |
810 | for (int iCh=0; iCh<fDetElemId/100-1; iCh++){ | |
811 | fDetElemNumber += fgNDetElemCh[iCh]; | |
812 | } | |
813 | fTransform->Local2Global(fDetElemId,lDetElemLocX,lDetElemLocY,lDetElemLocZ, | |
814 | fDetElemPos[0],fDetElemPos[1],fDetElemPos[2]); | |
010eb601 | 815 | } |
816 | ||
817 | void AliMUONAlignment::ProcessTrack(AliMUONTrack * track) { | |
818 | /// Process track; Loop over hits and set local equations | |
819 | fTrack = track; | |
820 | // get tclones arrays. | |
821 | fTrackParamAtHit = fTrack->GetTrackParamAtHit(); | |
822 | fHitForRecAtHit = fTrack->GetHitForRecAtHit(); | |
823 | ||
824 | // get size of arrays | |
825 | Int_t nTrackParam = fTrackParamAtHit->GetEntries(); | |
826 | Int_t nHitForRec = fHitForRecAtHit->GetEntries(); | |
3b2890be | 827 | AliDebug(1,Form("Number of track param entries : %i ", nTrackParam)); |
828 | AliDebug(1,Form("Number of hit for rec entries : %i ", nHitForRec)); | |
010eb601 | 829 | |
830 | for(Int_t iHit=0; iHit<nHitForRec; iHit++) { | |
831 | fRecHit = (AliMUONHitForRec *) fHitForRecAtHit->At(iHit); | |
832 | fTrackParam = (AliMUONTrackParam *) fTrack->GetTrackParamAtHit()->At(iHit); | |
833 | if (!fRecHit || !fTrackParam) continue; | |
834 | // fill local variables for this position --> one measurement | |
835 | FillDetElemData(); | |
836 | FillRecPointData(); | |
837 | FillTrackParamData(); | |
838 | // if (fDetElemId<500) continue; | |
839 | fTrackPos0[0] = fTrackPos[0]; | |
840 | fTrackPos0[1] = fTrackPos[1]; | |
841 | fTrackPos0[2] = fTrackPos[2]; | |
842 | fTrackSlope0[0] = fTrackSlope[0]; | |
843 | fTrackSlope0[1] = fTrackSlope[1]; | |
844 | break; | |
845 | } | |
846 | ||
847 | for(Int_t iHit=0; iHit<nHitForRec; iHit++) { | |
848 | // and get new pointers | |
849 | fRecHit = (AliMUONHitForRec *) fHitForRecAtHit->At(iHit); | |
850 | fTrackParam = (AliMUONTrackParam *) fTrack->GetTrackParamAtHit()->At(iHit); | |
851 | if (!fRecHit || !fTrackParam) continue; | |
852 | // fill local variables for this position --> one measurement | |
853 | FillDetElemData(); | |
854 | FillRecPointData(); | |
855 | FillTrackParamData(); | |
856 | // if (fDetElemId<500) continue; | |
857 | AliDebug(1,Form("cluster: %i", iHit)); | |
858 | AliDebug(1,Form("x: %f\t y: %f\t z: %f\t DetElemID: %i\t ", fClustPos[0], fClustPos[1], fClustPos[2], fDetElemId)); | |
859 | AliDebug(1,Form("fDetElemPos[0]: %f\t fDetElemPos[1]: %f\t fDetElemPos[2]: %f\t DetElemID: %i\t ", fDetElemPos[0],fDetElemPos[1],fDetElemPos[2], fDetElemId)); | |
860 | ||
861 | AliDebug(1,Form("Track Parameter: %i", iHit)); | |
862 | AliDebug(1,Form("x: %f\t y: %f\t z: %f\t slopex: %f\t slopey: %f", fTrackPos[0], fTrackPos[1], fTrackPos[2], fTrackSlope[0], fTrackSlope[1])); | |
863 | AliDebug(1,Form("x0: %f\t y0: %f\t z0: %f\t slopex0: %f\t slopey0: %f", fTrackPos0[0], fTrackPos0[1], fTrackPos0[2], fTrackSlope0[0], fTrackSlope0[1])); | |
864 | ||
865 | fCosPhi = TMath::Cos(fPhi); | |
866 | fSinPhi = TMath::Sin(fPhi); | |
867 | if (fBFieldOn){ | |
868 | fMeas[0] = fTrackPos[0] - fClustPos[0]; | |
869 | fMeas[1] = fTrackPos[1] - fClustPos[1]; | |
870 | } | |
871 | else { | |
872 | fMeas[0] = - fClustPos[0]; | |
873 | fMeas[1] = - fClustPos[1]; | |
874 | } | |
875 | AliDebug(1,Form("fMeas[0]: %f\t fMeas[1]: %f\t fSigma[0]: %f\t fSigma[1]: %f", fMeas[0], fMeas[1], fSigma[0], fSigma[1])); | |
876 | // Set local equations | |
877 | LocalEquationX(); | |
878 | LocalEquationY(); | |
879 | } | |
880 | } | |
881 | ||
882 | void AliMUONAlignment::LocalFit(Int_t iTrack, Double_t *lTrackParam, Int_t lSingleFit) { | |
883 | /// Call local fit for this tracks | |
884 | Int_t iRes = fMillepede->LocalFit(iTrack,lTrackParam,lSingleFit); | |
885 | if (iRes && !lSingleFit) { | |
886 | fMillepede->SetNLocalEquations(fMillepede->GetNLocalEquations()+1); | |
887 | } | |
888 | } | |
889 | ||
890 | void AliMUONAlignment::GlobalFit(Double_t *parameters,Double_t *errors,Double_t *pulls) { | |
891 | /// Call global fit; Global parameters are stored in parameters | |
892 | fMillepede->GlobalFit(parameters,errors,pulls); | |
3b2890be | 893 | |
010eb601 | 894 | AliInfo("Done fitting global parameters!"); |
895 | for (int iGlob=0; iGlob<fgNDetElem; iGlob++){ | |
896 | printf("%d\t %f\t %f\t %f \n",iGlob,parameters[iGlob*fgNParCh+0],parameters[iGlob*fgNParCh+1],parameters[iGlob*fgNParCh+2]); | |
897 | } | |
898 | } | |
899 | ||
900 | Double_t AliMUONAlignment::GetParError(Int_t iPar) { | |
901 | /// Get error of parameter iPar | |
902 | Double_t lErr = fMillepede->GetParError(iPar); | |
903 | return lErr; | |
904 | } | |
905 | ||
906 | void AliMUONAlignment::PrintGlobalParameters() { | |
907 | /// Print global parameters | |
908 | fMillepede->PrintGlobalParameters(); | |
909 | } | |
910 | ||
911 | //_________________________________________________________________________ | |
3b2890be | 912 | TGeoCombiTrans AliMUONAlignment::ReAlign(const TGeoCombiTrans & transform, double *lMisAlignment) const |
010eb601 | 913 | { |
914 | /// Realign given transformation by given misalignment and return the misaligned transformation | |
915 | ||
916 | Double_t cartMisAlig[3] = {0,0,0}; | |
917 | Double_t angMisAlig[3] = {0,0,0}; | |
3b2890be | 918 | // const Double_t *trans = transform.GetTranslation(); |
919 | // TGeoRotation *rot; | |
920 | // // check if the rotation we obtain is not NULL | |
921 | // if (transform.GetRotation()) { | |
922 | // rot = transform.GetRotation(); | |
923 | // } | |
924 | // else { | |
925 | // rot = new TGeoRotation("rot"); | |
926 | // } // default constructor. | |
927 | ||
928 | cartMisAlig[0] = -lMisAlignment[0]; | |
929 | cartMisAlig[1] = -lMisAlignment[1]; | |
930 | angMisAlig[2] = -lMisAlignment[2]*180./TMath::Pi(); | |
931 | ||
932 | TGeoTranslation deltaTrans(cartMisAlig[0], cartMisAlig[1], cartMisAlig[2]); | |
933 | TGeoRotation deltaRot; | |
934 | deltaRot.RotateX(angMisAlig[0]); | |
935 | deltaRot.RotateY(angMisAlig[1]); | |
936 | deltaRot.RotateZ(angMisAlig[2]); | |
937 | ||
938 | TGeoCombiTrans deltaTransf(deltaTrans,deltaRot); | |
939 | TGeoHMatrix newTransfMat = transform * deltaTransf; | |
940 | ||
941 | return TGeoCombiTrans(newTransfMat); | |
010eb601 | 942 | } |
943 | ||
944 | //______________________________________________________________________ | |
945 | AliMUONGeometryTransformer * | |
946 | AliMUONAlignment::ReAlign(const AliMUONGeometryTransformer * transformer, | |
947 | double *misAlignments, Bool_t verbose) | |
948 | ||
949 | { | |
950 | ///////////////////////////////////////////////////////////////////// | |
951 | // Takes the internal geometry module transformers, copies them | |
952 | // and gets the Detection Elements from them. | |
953 | // Takes misalignment parameters and applies these | |
954 | // to the local transform of the Detection Element | |
955 | // Obtains the global transform by multiplying the module transformer | |
956 | // transformation with the local transformation | |
957 | // Applies the global transform to a new detection element | |
958 | // Adds the new detection element to a new module transformer | |
959 | // Adds the new module transformer to a new geometry transformer | |
960 | // Returns the new geometry transformer | |
961 | ||
3b2890be | 962 | Double_t lModuleMisAlignment[3] = {0.,0.,0.}; |
010eb601 | 963 | Double_t lDetElemMisAlignment[3] = {0.,0.,0.}; |
3b2890be | 964 | Int_t iDetElemId = 0; |
965 | Int_t iDetElemNumber = 0; | |
010eb601 | 966 | |
967 | AliMUONGeometryTransformer *newGeometryTransformer = | |
ef4cb4f1 | 968 | new AliMUONGeometryTransformer(); |
3b2890be | 969 | for (Int_t iMt = 0; iMt < transformer->GetNofModuleTransformers(); iMt++) { |
970 | // module transformers | |
971 | const AliMUONGeometryModuleTransformer *kModuleTransformer = | |
972 | transformer->GetModuleTransformer(iMt, true); | |
010eb601 | 973 | |
3b2890be | 974 | AliMUONGeometryModuleTransformer *newModuleTransformer = |
975 | new AliMUONGeometryModuleTransformer(iMt); | |
976 | newGeometryTransformer->AddModuleTransformer(newModuleTransformer); | |
977 | ||
978 | TGeoCombiTrans moduleTransform = | |
979 | TGeoCombiTrans(*kModuleTransformer->GetTransformation()); | |
980 | // New module transformation | |
981 | TGeoCombiTrans newModuleTransform = ReAlign(moduleTransform,lModuleMisAlignment); | |
982 | newModuleTransformer->SetTransformation(newModuleTransform); | |
983 | ||
984 | // Get delta transformation: | |
985 | // Tdelta = Tnew * Told.inverse | |
986 | TGeoHMatrix deltaModuleTransform = | |
987 | AliMUONGeometryBuilder::Multiply(newModuleTransform, | |
988 | kModuleTransformer->GetTransformation()->Inverse()); | |
989 | // Create module mis alignment matrix | |
990 | newGeometryTransformer | |
991 | ->AddMisAlignModule(kModuleTransformer->GetModuleId(), deltaModuleTransform); | |
992 | ||
993 | AliMpExMap *detElements = kModuleTransformer->GetDetElementStore(); | |
994 | ||
995 | if (verbose) | |
996 | AliInfo(Form("%i DEs in old GeometryStore %i",detElements->GetSize(), iMt)); | |
997 | ||
998 | for (Int_t iDe = 0; iDe < detElements->GetSize(); iDe++) { | |
999 | // detection elements. | |
1000 | AliMUONGeometryDetElement *detElement = | |
1001 | (AliMUONGeometryDetElement *) detElements->GetObject(iDe); | |
1002 | if (!detElement) | |
1003 | AliFatal("Detection element not found."); | |
1004 | ||
1005 | /// make a new detection element | |
1006 | AliMUONGeometryDetElement *newDetElement = | |
1007 | new AliMUONGeometryDetElement(detElement->GetId(), | |
1008 | detElement->GetVolumePath()); | |
1009 | TString lDetElemName(detElement->GetDEName()); | |
1010 | lDetElemName.ReplaceAll("DE",""); | |
1011 | iDetElemId = lDetElemName.Atoi(); | |
1012 | iDetElemNumber = iDetElemId%100; | |
1013 | for (int iCh=0; iCh<iDetElemId/100-1; iCh++){ | |
1014 | iDetElemNumber += fgNDetElemCh[iCh]; | |
1015 | } | |
1016 | for (int i=0; i<fgNParCh; i++) { | |
1017 | lDetElemMisAlignment[i] = 0.0; | |
1018 | if (iMt<fgNTrkMod) { | |
1019 | AliInfo(Form("iMt %i, iCh %i, iDe %i, iDeId %i, iDeNb %i, iPar %i",iMt, iDetElemId/100, iDe, iDetElemId, iDetElemNumber, iDetElemNumber*fgNParCh+i)); | |
1020 | lDetElemMisAlignment[i] = misAlignments[iDetElemNumber*fgNParCh+i]; | |
1021 | } | |
1022 | } | |
1023 | // local transformation of this detection element. | |
1024 | TGeoCombiTrans localTransform | |
1025 | = TGeoCombiTrans(*detElement->GetLocalTransformation()); | |
1026 | TGeoCombiTrans newLocalTransform = ReAlign(localTransform,lDetElemMisAlignment); | |
1027 | newDetElement->SetLocalTransformation(newLocalTransform); | |
1028 | ||
1029 | // global transformation | |
1030 | TGeoHMatrix newGlobalTransform = | |
1031 | AliMUONGeometryBuilder::Multiply(newModuleTransform, | |
1032 | newLocalTransform); | |
1033 | newDetElement->SetGlobalTransformation(newGlobalTransform); | |
010eb601 | 1034 | |
3b2890be | 1035 | // add this det element to module |
1036 | newModuleTransformer->GetDetElementStore()->Add(newDetElement->GetId(), | |
1037 | newDetElement); | |
1038 | ||
1039 | // In the Alice Alignment Framework misalignment objects store | |
1040 | // global delta transformation | |
1041 | // Get detection "intermediate" global transformation | |
1042 | TGeoHMatrix newOldGlobalTransform = newModuleTransform * localTransform; | |
1043 | // Get detection element global delta transformation: | |
1044 | // Tdelta = Tnew * Told.inverse | |
1045 | TGeoHMatrix deltaGlobalTransform | |
1046 | = AliMUONGeometryBuilder::Multiply(newGlobalTransform, | |
1047 | newOldGlobalTransform.Inverse()); | |
010eb601 | 1048 | |
3b2890be | 1049 | // Create mis alignment matrix |
1050 | newGeometryTransformer | |
1051 | ->AddMisAlignDetElement(detElement->GetId(), deltaGlobalTransform); | |
010eb601 | 1052 | } |
3b2890be | 1053 | |
1054 | if (verbose) | |
1055 | AliInfo(Form("Added module transformer %i to the transformer", iMt)); | |
1056 | newGeometryTransformer->AddModuleTransformer(newModuleTransformer); | |
1057 | } | |
010eb601 | 1058 | return newGeometryTransformer; |
1059 | } | |
1060 |