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6be22b3f | 1 | /************************************************************************** |
2 | * Copyright(c) 2007-2009, 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 | // | |
20 | // Interface to AliMillePede2 alignment class for the ALICE ITS detector | |
21 | // | |
22 | // ITS 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 M. Lunardon (thanks to J. Castillo), ruben.shahoyan@cern.ch | |
28 | //----------------------------------------------------------------------------- | |
29 | ||
30 | #include <TFile.h> | |
31 | #include <TClonesArray.h> | |
32 | #include <TMath.h> | |
33 | #include <TVirtualFitter.h> | |
34 | #include <TGeoManager.h> | |
35 | #include <TSystem.h> | |
36 | #include <TRandom.h> | |
37 | #include <TCollection.h> | |
38 | #include <TGeoPhysicalNode.h> | |
39 | #include "AliITSAlignMille2.h" | |
40 | #include "AliITSgeomTGeo.h" | |
41 | #include "AliGeomManager.h" | |
42 | #include "AliMillePede2.h" | |
43 | #include "AliTrackPointArray.h" | |
44 | #include "AliAlignObjParams.h" | |
45 | #include "AliLog.h" | |
46 | #include "AliTrackFitterRieman.h" | |
47 | #include "AliITSAlignMille2Constraint.h" | |
48 | #include "AliITSAlignMille2ConstrArray.h" | |
49 | #include "AliITSresponseSDD.h" | |
50 | #include "AliITSTPArrayFit.h" | |
51 | #include "AliCDBManager.h" | |
52 | #include "AliCDBStorage.h" | |
53 | #include "AliCDBEntry.h" | |
54 | ||
55 | ||
56 | ClassImp(AliITSAlignMille2) | |
57 | ||
58 | const Char_t* AliITSAlignMille2::fgkRecKeys[] = { | |
59 | "OCDB_PATH", | |
60 | "GEOMETRY_FILE", | |
61 | "SUPERMODULE_FILE", | |
62 | "CONSTRAINTS_REFERENCE_FILE", | |
63 | "PREALIGNMENT_FILE", | |
64 | "PRECALIBSDD_FILE", | |
65 | "INITCALBSDD_FILE", | |
66 | "INITDELTA_FILE", | |
67 | "SET_GLOBAL_DELTAS", | |
68 | "CONSTRAINT_LOCAL", | |
69 | "MODULE_VOLUID", | |
70 | "MODULE_INDEX", | |
71 | "SET_PSEUDO_PARENTS", | |
72 | "SET_TRACK_FIT_METHOD", | |
73 | "SET_MINPNT_TRA", | |
74 | "SET_NSTDDEV", | |
75 | "SET_RESCUT_INIT", | |
76 | "SET_RESCUT_OTHER", | |
77 | "SET_LOCALSIGMAFACTOR", | |
78 | "SET_STARTFAC", | |
79 | "SET_B_FIELD", | |
80 | "SET_SPARSE_MATRIX", | |
81 | "REQUIRE_POINT", | |
82 | "CONSTRAINT_ORPHANS", | |
83 | "CONSTRAINT_SUBUNITS", | |
84 | "APPLY_CONSTRAINT", | |
85 | "SET_EXTRA_CLUSTERS_MODE", | |
86 | "SET_USE_TPAFITTER", | |
87 | "SET_USE_LOCAL_YERROR", | |
88 | "SET_MIN_POINTS_PER_MODULE" | |
89 | ||
90 | }; | |
91 | ||
92 | const Char_t AliITSAlignMille2::fgkXYZ[] = "XYZ"; | |
93 | ||
94 | //======================================================================================================== | |
95 | ||
96 | AliITSAlignMille2* AliITSAlignMille2::fgInstance = 0; | |
97 | Int_t AliITSAlignMille2::fgInstanceID = 0; | |
98 | ||
99 | //________________________________________________________________________________________________________ | |
100 | AliITSAlignMille2::AliITSAlignMille2(const Char_t *configFilename,TList *userInfo ) | |
101 | : TObject(), | |
102 | fMillepede(0), | |
103 | fStartFac(16.), | |
104 | fResCutInitial(100.), | |
105 | fResCut(100.), | |
106 | fNGlobal(0), | |
107 | fNLocal(4), | |
108 | fNStdDev(3), | |
109 | fIsMilleInit(kFALSE), | |
110 | fAllowPseudoParents(kFALSE), | |
111 | // | |
112 | fTPAFitter(0), | |
113 | fCurrentModule(0), | |
114 | fTrack(0), | |
115 | fTrackBuff(0), | |
116 | fCluster(), | |
117 | fCurrentSensID(-1), | |
118 | fClusLoc(12*3), | |
119 | fClusGlo(12*3), | |
120 | fClusSigLoc(12*3), | |
121 | fGlobalDerivatives(0), | |
122 | fMeasLoc(0), | |
123 | fMeasGlo(0), | |
124 | fSigmaLoc(0), | |
125 | fConstrPT(-1), | |
126 | fConstrPTErr(-1), | |
127 | fConstrCharge(0), | |
128 | // | |
129 | fMinNPtsPerTrack(3), | |
130 | fInitTrackParamsMeth(1), | |
131 | fTotBadLocEqPoints(0), | |
132 | fRieman(0), | |
133 | // | |
134 | fConstraints(0), | |
135 | fCacheMatrixOrig(kMaxITSSensID+1), | |
136 | fCacheMatrixCurr(kMaxITSSensID+1), | |
137 | // | |
138 | fUseGlobalDelta(kFALSE), | |
139 | fRequirePoints(kFALSE), | |
140 | fTempExcludedModule(-1), | |
141 | // | |
142 | fDefCDBpath("local://$ALICE_ROOT/OCDB"), | |
143 | fInitDeltaPath(""), | |
144 | fInitSDDRespPath(""), | |
145 | fPreCalSDDRespPath(""), | |
146 | fGeometryPath("geometry.root"), | |
147 | fPreDeltaPath(""), | |
148 | fConstrRefPath(""), | |
149 | fGeoManager(0), | |
150 | fIsConfigured(kFALSE), | |
151 | fPreAlignQF(0), | |
152 | // | |
153 | fCorrectSDD(0), | |
154 | fInitialRecSDD(0), | |
155 | fPrealignment(0), | |
156 | fConstrRef(0), | |
157 | fMilleModule(2), | |
158 | fSuperModule(2), | |
159 | fNModules(0), | |
160 | fNSuperModules(0), | |
161 | fUsePreAlignment(kFALSE), | |
162 | fUseLocalYErr(kFALSE), | |
163 | fBOn(kFALSE), | |
164 | fBField(0.0), | |
165 | fMinPntPerSens(0), | |
166 | fBug(0), | |
167 | fMilleVersion(2), | |
168 | fExtraClustersMode(0) | |
169 | { | |
170 | /// main constructor that takes input from configuration file | |
171 | for (int i=3;i--;) fSigmaFactor[i] = 1.0; | |
172 | // | |
173 | // new RS | |
174 | for (Int_t i=0; i<6; i++) { | |
175 | fNReqLayUp[i]=0; | |
176 | fNReqLayDown[i]=0; | |
177 | fNReqLay[i]=0; | |
178 | } | |
179 | for (Int_t i=0; i<3; i++) { | |
180 | fNReqDetUp[i]=0; | |
181 | fNReqDetDown[i]=0; | |
182 | fNReqDet[i]=0; | |
183 | } | |
184 | // | |
185 | if (ProcessUserInfo(userInfo)) exit(1); | |
186 | // | |
187 | Int_t lc=LoadConfig(configFilename); | |
188 | if (lc) { | |
189 | AliError(Form("Error %d loading configuration from %s",lc,configFilename)); | |
190 | exit(1); | |
191 | } | |
192 | // | |
193 | fMillepede = new AliMillePede2(); | |
194 | fgInstance = this; | |
195 | fgInstanceID++; | |
196 | // | |
197 | } | |
198 | ||
199 | //________________________________________________________________________________________________________ | |
200 | AliITSAlignMille2::~AliITSAlignMille2() | |
201 | { | |
202 | /// Destructor | |
203 | delete fMillepede; | |
204 | delete[] fGlobalDerivatives; | |
205 | delete fRieman; | |
206 | delete fPrealignment; | |
207 | delete fConstrRef; | |
208 | delete fCorrectSDD; | |
209 | delete fInitialRecSDD; | |
210 | delete fTPAFitter; | |
211 | fCacheMatrixOrig.Delete(); | |
212 | fCacheMatrixCurr.Delete(); | |
213 | fTrackBuff.Delete(); | |
214 | fConstraints.Delete(); | |
215 | fMilleModule.Delete(); | |
216 | fSuperModule.Delete(); | |
217 | if (--fgInstanceID==0) fgInstance = 0; | |
218 | } | |
219 | ||
220 | /////////////////////////////////////////////////////////////////////// | |
221 | ||
222 | //________________________________________________________________________________________________________ | |
223 | TObjArray* AliITSAlignMille2::GetConfigRecord(FILE* stream, TString& recTitle, TString& recOpt, Bool_t rew) | |
224 | { | |
225 | // read new record from config file | |
226 | TString record; | |
227 | static TObjArray* recElems = 0; | |
228 | if (recElems) {delete recElems; recElems = 0;} | |
229 | // | |
230 | TString keyws = recTitle; | |
231 | if (!keyws.IsNull()) { | |
232 | keyws.ToUpper(); | |
233 | // keyws += " "; | |
234 | } | |
235 | while (record.Gets(stream)) { | |
236 | int cmt=record.Index("#"); | |
237 | if (cmt>=0) record.Remove(cmt); // skip comment | |
238 | record.ReplaceAll("\t"," "); | |
239 | record.ReplaceAll("\r"," "); | |
240 | record.Remove(TString::kBoth,' '); | |
241 | if (record.IsNull()) continue; // nothing to decode | |
242 | if (!keyws.IsNull() && !record.BeginsWith(keyws.Data())) continue; // specific record was requested | |
243 | // | |
244 | recElems = record.Tokenize(" "); | |
245 | recTitle = recElems->At(0)->GetName(); | |
246 | recTitle.ToUpper(); | |
247 | recOpt = recElems->GetLast()>0 ? recElems->At(1)->GetName() : ""; | |
248 | break; | |
249 | } | |
250 | if (rew || !recElems) rewind(stream); | |
251 | return recElems; | |
252 | } | |
253 | ||
254 | //________________________________________________________________________________________________________ | |
255 | Int_t AliITSAlignMille2::CheckConfigRecords(FILE* stream) | |
256 | { | |
257 | TString record,recTitle; | |
258 | int lineCnt = 0; | |
259 | rewind(stream); | |
260 | while (record.Gets(stream)) { | |
261 | int cmt=record.Index("#"); | |
262 | lineCnt++; | |
263 | if (cmt>=0) record.Remove(cmt); // skip comment | |
264 | record.ReplaceAll("\t"," "); | |
265 | record.ReplaceAll("\r"," "); | |
266 | record.Remove(TString::kBoth,' '); | |
267 | if (record.IsNull()) continue; // nothing to decode | |
268 | // extract keyword | |
269 | int spc = record.Index(" "); | |
270 | if (spc>0) recTitle = record(0,spc); | |
271 | else recTitle = record; | |
272 | recTitle.ToUpper(); | |
273 | Bool_t strOK = kFALSE; | |
274 | for (int ik=kNKeyWords;ik--;) if (recTitle == fgkRecKeys[ik]) {strOK = kTRUE; break;} | |
275 | if (strOK) continue; | |
276 | // | |
277 | AliError(Form("Unknown keyword %s at line %d", | |
278 | recTitle.Data(),lineCnt)); | |
279 | return -1; | |
280 | // | |
281 | } | |
282 | // | |
283 | rewind(stream); | |
284 | return 0; | |
285 | } | |
286 | ||
287 | ||
288 | //________________________________________________________________________________________________________ | |
289 | Int_t AliITSAlignMille2::LoadConfig(const Char_t *cfile) | |
290 | { | |
291 | // return 0 if success | |
292 | // 1 if error in module index or voluid | |
293 | // | |
294 | FILE *pfc=fopen(cfile,"r"); | |
295 | if (!pfc) return -1; | |
296 | // | |
297 | TString record,recTitle,recOpt,recExt; | |
298 | Int_t nrecElems,irec; | |
299 | TObjArray *recArr=0; | |
300 | // | |
301 | fNModules = 0; | |
302 | Bool_t stopped = kFALSE; | |
303 | // | |
304 | if (CheckConfigRecords(pfc)<0) return -1; | |
305 | // | |
306 | while(1) { | |
307 | // | |
308 | // ============= 1: we read some important records in predefined order ================ | |
309 | // | |
310 | recTitle = fgkRecKeys[kOCDBPath]; | |
311 | if ( GetConfigRecord(pfc,recTitle,recOpt,1) && !(fDefCDBpath=recOpt).IsNull() ) { | |
312 | AliInfo(Form("Configuration sets OCDB Def.Storage to %s",fDefCDBpath.Data())); | |
313 | AliCDBManager::Instance()->SetDefaultStorage( fDefCDBpath.Data() ); | |
314 | } | |
315 | // | |
316 | // | |
317 | recTitle = fgkRecKeys[kGeomFile]; | |
318 | if ( GetConfigRecord(pfc,recTitle,recOpt,1) ) fGeometryPath = recOpt; | |
319 | if ( InitGeometry() ) { AliError("Failed to find/load Geometry"); stopped = kTRUE; break;} | |
320 | // | |
321 | // | |
322 | recTitle = fgkRecKeys[kSuperModileFile]; | |
323 | if ( !GetConfigRecord(pfc,recTitle,recOpt,1) || | |
324 | recOpt.IsNull() || | |
325 | gSystem->AccessPathName(recOpt.Data()) || | |
326 | LoadSuperModuleFile(recOpt.Data())) | |
327 | { AliError("Failed to find/load SuperModules"); stopped = kTRUE; break;} | |
328 | // | |
329 | // | |
330 | recTitle = fgkRecKeys[kConstrRefFile]; // LOCAL_CONSTRAINTS are defined wrt these deltas | |
331 | if ( (recArr = GetConfigRecord(pfc,recTitle,recOpt,1)) ) { | |
332 | if (recOpt.IsNull() || recOpt=="IDEAL") SetConstraintWrtRef( "IDEAL" ); | |
333 | else { | |
334 | for (int i=2;i<=recArr->GetLast();i++) {recOpt += " "; recOpt += recArr->At(i)->GetName();} // in case of OCDB string | |
335 | if ( SetConstraintWrtRef(recOpt.Data()) ) | |
336 | { AliError("Failed to load reference deltas for local constraints"); stopped = kTRUE; break;} | |
337 | } | |
338 | } | |
339 | // | |
340 | // | |
341 | recTitle = fgkRecKeys[kPreDeltaFile]; | |
342 | if ( (recArr = GetConfigRecord(pfc,recTitle,recOpt,1)) && !recOpt.IsNull()) { | |
343 | for (int i=2;i<=recArr->GetLast();i++) {recOpt += " "; recOpt += recArr->At(i)->GetName();} // in case of OCDB string | |
344 | fPreDeltaPath = recOpt; | |
345 | AliInfo(Form("Configuration sets PreAlignment Deltas to %s",fPreDeltaPath.Data())); | |
346 | } | |
347 | if (LoadDeltas(fPreDeltaPath,fPrealignment)) {stopped = kTRUE; break;} | |
348 | if (fPrealignment && ApplyToGeometry()) {stopped = kTRUE; break;} | |
349 | // | |
350 | // | |
351 | recTitle = fgkRecKeys[kInitDeltaFile]; | |
352 | if ( (recArr = GetConfigRecord(pfc,recTitle,recOpt,1)) && !recOpt.IsNull()) { | |
353 | for (int i=2;i<=recArr->GetLast();i++) {recOpt += " "; recOpt += recArr->At(i)->GetName();} // in case of OCDB string | |
354 | fInitDeltaPath = recOpt; | |
355 | AliInfo(Form("Configuration sets Production Deltas to %s",fInitDeltaPath.Data())); | |
356 | } | |
357 | // | |
358 | // | |
359 | recTitle = fgkRecKeys[kPreCalSDDFile]; | |
360 | if ( (recArr = GetConfigRecord(pfc,recTitle,recOpt,1)) && !recOpt.IsNull() ) { | |
361 | for (int i=2;i<=recArr->GetLast();i++) {recOpt += " "; recOpt += recArr->At(i)->GetName();} // in case of OCDB string | |
362 | fPreCalSDDRespPath = recOpt; | |
363 | AliInfo(Form("Configuration sets PreCalibration SDD Response to %s",fPreCalSDDRespPath.Data())); | |
364 | } | |
365 | if (LoadSDDResponse(fPreCalSDDRespPath, fCorrectSDD) ) {stopped = kTRUE; break;} | |
366 | // | |
367 | recTitle = fgkRecKeys[ kInitCalSDDFile ]; | |
368 | if ( (recArr = GetConfigRecord(pfc,recTitle,recOpt,1)) && !recOpt.IsNull()) { | |
369 | for (int i=2;i<=recArr->GetLast();i++) {recOpt += " "; recOpt += recArr->At(i)->GetName();} // in case of OCDB string | |
370 | fInitSDDRespPath = recOpt; | |
371 | AliInfo(Form("Configuration sets Production SDD Response to %s",fInitSDDRespPath.Data())); | |
372 | } | |
373 | if (LoadSDDResponse(fInitSDDRespPath, fInitialRecSDD) ) {stopped = kTRUE; break;} | |
374 | // | |
375 | // | |
376 | recTitle = fgkRecKeys[ kGlobalDeltas ]; | |
377 | if ( GetConfigRecord(pfc,recTitle,recOpt,1) ) SetUseGlobalDelta(kTRUE); | |
378 | // | |
379 | // =========== 2: see if there are local gaussian constraints defined ===================== | |
380 | // Note that they should be loaded before the modules declaration | |
381 | // | |
382 | recTitle = fgkRecKeys[ kConstrLocal ]; | |
383 | while( (recArr=GetConfigRecord(pfc,recTitle,recOpt,0)) ) { | |
384 | nrecElems = recArr->GetLast()+1; | |
385 | if (recOpt.IsFloat()) {stopped = kTRUE; break;} // wrong name | |
386 | if (GetConstraint(recOpt.Data())) { | |
387 | AliError(Form("Existing constraint %s repeated",recOpt.Data())); | |
388 | stopped = kTRUE; break; | |
389 | } | |
390 | recExt = recArr->At(2)->GetName(); | |
391 | if (!recExt.IsFloat()) {stopped = kTRUE; break;} | |
392 | double val = recExt.Atof(); | |
393 | recExt = recArr->At(3)->GetName(); | |
394 | if (!recExt.IsFloat()) {stopped = kTRUE; break;} | |
395 | double err = recExt.Atof(); | |
396 | int nwgh = nrecElems - 4; | |
397 | double *wgh = new double[nwgh]; | |
398 | for (nwgh=0,irec=4;irec<nrecElems;irec++) { | |
399 | recExt = recArr->At(irec)->GetName(); | |
400 | if (!recExt.IsFloat()) {stopped = kTRUE; break;} | |
401 | wgh[nwgh++] = recExt.Atof(); | |
402 | } | |
403 | if (stopped) {delete[] wgh; break;} | |
404 | // | |
405 | ConstrainLocal(recOpt.Data(),wgh,nwgh,val,err); | |
406 | delete[] wgh; | |
407 | // | |
408 | } // end while for loop over local constraints | |
409 | if (stopped) break; | |
410 | // | |
411 | // =========== 3: now read modules to align =================================== | |
412 | // | |
413 | rewind(pfc); | |
414 | while( (recArr=GetConfigRecord(pfc,recTitle="",recOpt,0)) ) { | |
415 | if (!(recTitle==fgkRecKeys[ kModVolID ] || recTitle==fgkRecKeys[ kModIndex ])) continue; | |
416 | // Expected format: MODULE id tolX tolY tolZ tolPsi tolTh tolPhi [[sigX sigY sigZ] extra params] | |
417 | // where tol* is the tolerance (sigma) for given DOF. 0 means fixed | |
418 | // sig* is the scaling parameters for the errors of the clusters of this module | |
419 | // extra params are defined for specific modules, e.g. t0 and vdrift corrections of SDD | |
420 | // | |
421 | nrecElems = recArr->GetLast()+1; | |
422 | if (nrecElems<2 || !recOpt.IsDigit()) {stopped = kTRUE; break;} | |
423 | int idx = recOpt.Atoi(); | |
424 | UShort_t voluid = (idx<=kMaxITSSensID) ? GetModuleVolumeID(idx) : idx; | |
425 | AliITSAlignMille2Module* mod = 0; | |
426 | // | |
427 | if (voluid>=kMinITSSupeModuleID) { // custom supermodule | |
428 | for (int j=0; j<fNSuperModules; j++) { | |
429 | if (voluid==GetSuperModule(j)->GetVolumeID()) { | |
430 | mod = new AliITSAlignMille2Module(*GetSuperModule(j)); | |
431 | // the matrix might be updated in case some prealignment was applied, check | |
432 | TGeoHMatrix* mup = AliGeomManager::GetMatrix(mod->GetName()); | |
433 | if (mup) *(mod->GetMatrix()) = *mup; | |
434 | fMilleModule.AddAtAndExpand(mod,fNModules); | |
435 | break; | |
436 | } | |
437 | } | |
438 | } | |
439 | else if (idx<=kMaxITSSensVID) { | |
440 | mod = new AliITSAlignMille2Module(voluid); | |
441 | fMilleModule.AddAtAndExpand(mod,fNModules); | |
442 | } | |
443 | if (!mod) {stopped = kTRUE; break;} // bad volid | |
444 | // | |
445 | // geometry variation settings | |
446 | for (int i=0;i<AliITSAlignMille2Module::kMaxParGeom;i++) { | |
447 | irec = i+2; | |
448 | if (irec >= nrecElems) break; | |
449 | recExt = recArr->At(irec)->GetName(); | |
450 | if (!recExt.IsFloat()) {stopped = kTRUE; break;} | |
451 | mod->SetFreeDOF(i, recExt.Atof() ); | |
452 | } | |
453 | if (stopped) break; | |
454 | // | |
455 | // scaling factors for cluster errors | |
456 | // first set default ones | |
457 | for (int i=0;i<3;i++) mod->SetSigmaFactor(i, fSigmaFactor[i]); | |
458 | for (int i=0;i<3;i++) { | |
459 | irec = i+8; | |
460 | if (irec >= nrecElems) break; | |
461 | recExt = recArr->At(irec)->GetName(); | |
462 | if (!recExt.IsFloat()) {stopped = kTRUE; break;} | |
463 | mod->SetSigmaFactor(i, recExt.Atof() ); | |
464 | } | |
465 | if (stopped) break; | |
466 | // | |
467 | mod->SetGeomParamsGlobal(fUseGlobalDelta); | |
468 | // now comes special detectors treatment | |
469 | if (mod->IsSDD()) { | |
470 | double vl = 0; | |
471 | if (nrecElems>11) { | |
472 | recExt = recArr->At(11)->GetName(); | |
473 | if (recExt.IsFloat()) vl = recExt.Atof(); | |
474 | else {stopped = kTRUE; break;} | |
475 | irec = 11; | |
476 | } | |
477 | mod->SetFreeDOF(AliITSAlignMille2Module::kDOFT0,vl); | |
478 | // | |
479 | vl = 0; | |
480 | if (nrecElems>12) { | |
481 | recExt = recArr->At(12)->GetName(); | |
482 | if (recExt.IsFloat()) vl = recExt.Atof(); | |
483 | else {stopped = kTRUE; break;} | |
484 | irec = 12; | |
485 | } | |
486 | mod->SetFreeDOF(AliITSAlignMille2Module::kDOFDV,vl); | |
487 | } | |
488 | // | |
489 | mod->SetUniqueID(fNModules); | |
490 | mod->EvaluateDOF(); | |
491 | fNModules++; | |
492 | // | |
493 | // now check if there are local constraints on this module | |
494 | for (++irec;irec<nrecElems;irec++) { | |
495 | recExt = recArr->At(irec)->GetName(); | |
496 | if (recExt.IsFloat()) {stopped=kTRUE;break;} | |
497 | AliITSAlignMille2ConstrArray* cstr = (AliITSAlignMille2ConstrArray*)GetConstraint(recExt.Data()); | |
498 | if (!cstr) { | |
499 | AliInfo(Form("No Local constraint %s was declared",recExt.Data())); | |
500 | stopped=kTRUE; | |
501 | break; | |
502 | } | |
503 | cstr->AddModule(mod); | |
504 | } | |
505 | if (stopped) break; | |
506 | } // end while for loop over modules | |
507 | if (stopped) break; | |
508 | // | |
509 | if (fNModules==0) {AliError("Failed to find any MODULE"); stopped = kTRUE; break;} | |
510 | BuildHierarchy(); // preprocess loaded modules | |
511 | // | |
512 | // =========== 4: the rest may come in arbitrary order ======================================= | |
513 | rewind(pfc); | |
514 | while ( (recArr=GetConfigRecord(pfc,recTitle="",recOpt,0))!=0 ) { | |
515 | // | |
516 | nrecElems = recArr->GetLast()+1; | |
517 | // | |
518 | // some simple flags ----------------------------------------------------------------------- | |
519 | // | |
520 | if (recTitle == fgkRecKeys[ kPseudoParents ]) SetAllowPseudoParents(kTRUE); | |
521 | // | |
522 | // some optional parameters ---------------------------------------------------------------- | |
523 | else if (recTitle == fgkRecKeys[ kTrackFitMethod ]) { | |
524 | if (recOpt.IsNull() || !recOpt.IsDigit() ) {stopped = kTRUE; break;} | |
525 | SetInitTrackParamsMeth(recOpt.Atoi()); | |
526 | } | |
527 | // | |
528 | else if (recTitle == fgkRecKeys[ kMinPntTrack ]) { | |
529 | if (recOpt.IsNull() || !recOpt.IsDigit() ) {stopped = kTRUE; break;} | |
530 | fMinNPtsPerTrack = recOpt.Atoi(); | |
531 | } | |
532 | // | |
533 | else if (recTitle == fgkRecKeys[ kNStDev ]) { | |
534 | if (recOpt.IsNull() || !recOpt.IsFloat() ) {stopped = kTRUE; break;} | |
535 | fNStdDev = (Int_t)recOpt.Atof(); | |
536 | } | |
537 | // | |
538 | else if (recTitle == fgkRecKeys[ kResCutInit ]) { | |
539 | if (recOpt.IsNull() || !recOpt.IsFloat() ) {stopped = kTRUE; break;} | |
540 | fResCutInitial = recOpt.Atof(); | |
541 | } | |
542 | // | |
543 | else if (recTitle == fgkRecKeys[ kResCutOther ]) { | |
544 | if (recOpt.IsNull() || !recOpt.IsFloat() ) {stopped = kTRUE; break;} | |
545 | fResCut = recOpt.Atof(); | |
546 | } | |
547 | // | |
548 | else if (recTitle == fgkRecKeys[ kLocalSigFactor ]) { //------------------------- | |
549 | for (irec=0;irec<3;irec++) if (nrecElems>irec+1) { | |
550 | fSigmaFactor[irec] = ((TObjString*)recArr->At(irec+1))->GetString().Atof(); | |
551 | if (fSigmaFactor[irec]<=0.) stopped = kTRUE; | |
552 | } | |
553 | if (stopped) break; | |
554 | } | |
555 | // | |
556 | else if (recTitle == fgkRecKeys[ kStartFactor ]) { //------------------------- | |
557 | if (recOpt.IsNull() || !recOpt.IsFloat() ) {stopped = kTRUE; break;} | |
558 | fStartFac = recOpt.Atof(); | |
559 | } | |
560 | // | |
561 | // pepo2708909 | |
562 | else if (recTitle == fgkRecKeys[ kExtraClustersMode ]) { //------------------------- | |
563 | if (recOpt.IsNull() || !recOpt.IsDigit() ) {stopped = kTRUE; break;} | |
564 | fExtraClustersMode = recOpt.Atoi(); | |
565 | } | |
566 | // endpepo270809 | |
567 | // | |
568 | else if (recTitle == fgkRecKeys[ kBField ]) { //------------------------- | |
569 | if (recOpt.IsNull() || !recOpt.IsFloat() ) {stopped = kTRUE; break;} | |
570 | SetBField( recOpt.Atof() ); | |
571 | } | |
572 | // | |
573 | else if (recTitle == fgkRecKeys[ kSparseMatrix ]) { // matrix solver type | |
574 | // | |
575 | AliMillePede2::SetGlobalMatSparse(kTRUE); | |
576 | if (recOpt.IsNull()) continue; | |
577 | // solver type and settings | |
578 | if (recOpt == "MINRES") AliMillePede2::SetIterSolverType( AliMinResSolve::kSolMinRes ); | |
579 | else if (recOpt == "FGMRES") AliMillePede2::SetIterSolverType( AliMinResSolve::kSolFGMRes ); | |
580 | else {stopped = kTRUE; break;} | |
581 | // | |
582 | if (nrecElems>=3) { // preconditioner type | |
583 | recExt = recArr->At(2)->GetName(); | |
584 | if (!recExt.IsDigit()) {stopped = kTRUE; break;} | |
585 | AliMillePede2::SetMinResPrecondType( recExt.Atoi() ); | |
586 | } | |
587 | // | |
588 | if (nrecElems>=4) { // tolerance | |
589 | recExt = recArr->At(3)->GetName(); | |
590 | if (!recExt.IsFloat()) {stopped = kTRUE; break;} | |
591 | AliMillePede2::SetMinResTol( recExt.Atof() ); | |
592 | } | |
593 | // | |
594 | if (nrecElems>=5) { // maxIter | |
595 | recExt = recArr->At(4)->GetName(); | |
596 | if (!recExt.IsDigit()) {stopped = kTRUE; break;} | |
597 | AliMillePede2::SetMinResMaxIter( recExt.Atoi() ); | |
598 | } | |
599 | } | |
600 | // | |
601 | else if (recTitle == fgkRecKeys[ kRequirePoint ]) { //------------------------- | |
602 | // syntax: REQUIRE_POINT where ndet updw nreqpts | |
603 | // where = LAYER or DETECTOR | |
604 | // ndet = detector number: 1-6 for LAYER and 1-3 for DETECTOR (SPD=1, SDD=2, SSD=3) | |
605 | // updw = 1 for Y>0, -1 for Y<0, 0 if not specified | |
606 | // nreqpts = minimum number of points of that type | |
607 | if (nrecElems>=5) { | |
608 | recOpt.ToUpper(); | |
609 | int lr = ((TObjString*)recArr->At(2))->GetString().Atoi() - 1; | |
610 | int hb = ((TObjString*)recArr->At(3))->GetString().Atoi(); | |
611 | int np = ((TObjString*)recArr->At(4))->GetString().Atoi(); | |
612 | fRequirePoints = kTRUE; | |
613 | if (recOpt == "LAYER") { | |
614 | if (lr<0 || lr>5) {stopped = kTRUE; break;} | |
615 | if (hb>0) fNReqLayUp[lr] = np; | |
616 | else if (hb<0) fNReqLayDown[lr] = np; | |
617 | else fNReqLay[lr] = np; | |
618 | } | |
619 | else if (recOpt == "DETECTOR") { | |
620 | if (lr<0 || lr>2) {stopped = kTRUE; break;} | |
621 | if (hb>0) fNReqDetUp[lr] = np; | |
622 | else if (hb<0) fNReqDetDown[lr] = np; | |
623 | else fNReqDet[lr] = np; | |
624 | } | |
625 | else {stopped = kTRUE; break;} | |
626 | } | |
627 | else {stopped = kTRUE; break;} | |
628 | } | |
629 | // | |
630 | // global constraints on the subunits/orphans | |
631 | else if (recTitle == fgkRecKeys[ kConstrOrphans ]) { //------------------------ | |
632 | // expect CONSTRAINT_ORPHANS MEAN/MEDIAN Value parID0 ... parID1 ... | |
633 | if (nrecElems<4) {stopped = kTRUE; break;} | |
634 | recExt = recArr->At(2)->GetName(); | |
635 | if (!recExt.IsFloat()) {stopped = kTRUE; break;} | |
636 | double val = recExt.Atof(); | |
637 | UInt_t pattern = 0; | |
638 | for (irec=3;irec<nrecElems;irec++) { // read params to constraint | |
639 | recExt = recArr->At(irec)->GetName(); | |
640 | if (!recExt.IsDigit()) {stopped = kTRUE; break;} | |
641 | pattern |= 0x1 << recExt.Atoi(); | |
642 | } | |
643 | if (stopped) break; | |
644 | if (recOpt == "MEAN") ConstrainOrphansMean(val,pattern); | |
645 | else if (recOpt == "MEDIAN") ConstrainOrphansMedian(val,pattern); | |
646 | else {stopped = kTRUE; break;} | |
647 | } | |
648 | // | |
649 | else if (recTitle == fgkRecKeys[ kConstrSubunits ]) { //------------------------ | |
650 | // expect ONSTRAINT_SUBUNITS MEAN/MEDIAN Value parID0 ... parID1 ... VolID1 ... VolIDn - VolIDm | |
651 | if (nrecElems<5) {stopped = kTRUE; break;} | |
652 | recExt = recArr->At(2)->GetName(); | |
653 | if (!recExt.IsFloat()) {stopped = kTRUE; break;} | |
654 | double val = recExt.Atof(); | |
655 | UInt_t pattern = 0; | |
656 | for (irec=3;irec<nrecElems;irec++) { // read params to constraint | |
657 | recExt = recArr->At(irec)->GetName(); | |
658 | if (!recExt.IsDigit()) {stopped = kTRUE; break;} | |
659 | int parid = recExt.Atoi(); | |
660 | if (parid<kMaxITSSensID) pattern |= 0x1 << recExt.Atoi(); | |
661 | else break; // list of params is over | |
662 | } | |
663 | if (stopped) break; | |
664 | // | |
665 | Bool_t meanC; | |
666 | if (recOpt == "MEAN") meanC = kTRUE; | |
667 | else if (recOpt == "MEDIAN") meanC = kFALSE; | |
668 | else {stopped = kTRUE; break;} | |
669 | // | |
670 | int curID = -1; | |
671 | int rangeStart = -1; | |
672 | for (;irec<nrecElems;irec++) { // read modules to apply this constraint | |
673 | recExt = recArr->At(irec)->GetName(); | |
674 | if (recExt == "-") {rangeStart = curID; continue;} // range is requested | |
675 | else if (!recExt.IsDigit()) {stopped = kTRUE; break;} | |
676 | else curID = recExt.Atoi(); | |
677 | // | |
678 | if (curID<=kMaxITSSensID) curID = GetModuleVolumeID(curID); | |
679 | // this was a range start or single | |
680 | int start; | |
681 | if (rangeStart>=0) {start = rangeStart+1; rangeStart=-1;} // continue the range | |
682 | else start = curID; // create constraint either for single module (or 1st in the range) | |
683 | for (int id=start;id<=curID;id++) { | |
684 | int id0 = IsVIDDefined(id); | |
685 | if (id0<0) {AliDebug(3,Form("Undefined module %d requested in the SubUnits constraint, skipping",id)); continue;} | |
686 | if (meanC) ConstrainModuleSubUnitsMean(id0,val,pattern); | |
687 | else ConstrainModuleSubUnitsMedian(id0,val,pattern); | |
688 | } | |
689 | } | |
690 | if (rangeStart>=0) stopped = kTRUE; // unfinished range | |
691 | if (stopped) break; | |
692 | } | |
693 | // | |
694 | // association of modules with local constraints | |
695 | else if (recTitle == fgkRecKeys[ kApplyConstr ]) { //------------------------ | |
696 | // expect APPLY_CONSTRAINT NAME [NAME1...] [VolID1 ... VolIDn - VolIDm] | |
697 | if (nrecElems<3) {stopped = kTRUE; break;} | |
698 | int nmID0=-1,nmID1=-1; | |
699 | for (irec=1;irec<nrecElems;irec++) { // find the range of constraint names | |
700 | recExt = recArr->At(irec)->GetName(); | |
701 | if (recExt.IsFloat()) break; | |
702 | // check if such a constraint was declared | |
703 | if (!GetConstraint(recExt.Data())) { | |
704 | AliInfo(Form("No Local constraint %s was declared",recExt.Data())); | |
705 | stopped=kTRUE; | |
706 | break; | |
707 | } | |
708 | if (nmID0<0) nmID0 = irec; | |
709 | nmID1 = irec; | |
710 | } | |
711 | if (stopped) break; | |
712 | // | |
713 | if (irec>=nrecElems) {stopped = kTRUE; break;} // no modules provided | |
714 | // | |
715 | // now read the list of modules to constrain | |
716 | int curID = -1; | |
717 | int rangeStart = -1; | |
718 | for (;irec<nrecElems;irec++) { // read modules to apply this constraint | |
719 | recExt = recArr->At(irec)->GetName(); | |
720 | if (recExt == "-") {rangeStart = curID; continue;} // range is requested | |
721 | else if (!recExt.IsDigit()) {stopped = kTRUE; break;} | |
722 | else curID = recExt.Atoi(); | |
723 | // | |
724 | if (curID<=kMaxITSSensID) curID = GetModuleVolumeID(curID); | |
725 | // | |
726 | // this was a range start or single | |
727 | int start; | |
728 | if (rangeStart>=0) {start = rangeStart+1; rangeStart=-1;} // continue the range | |
729 | else start = curID; // create constraint either for single module (or 1st in the range) | |
730 | for (int id=start;id<=curID;id++) { | |
731 | AliITSAlignMille2Module *md = GetMilleModuleByVID(id); | |
732 | if (!md) {AliDebug(3,Form("Undefined module %d requested in the Local constraint, skipping",id)); continue;} | |
733 | for (int nmid=nmID0;nmid<=nmID1;nmid++) | |
734 | ((AliITSAlignMille2ConstrArray*)GetConstraint(recArr->At(nmid)->GetName()))->AddModule(md); | |
735 | } | |
736 | } | |
737 | if (rangeStart>=0) stopped = kTRUE; // unfinished range | |
738 | if (stopped) break; | |
739 | } | |
740 | // Do we use new TrackPointArray fitter ? | |
741 | else if (recTitle == fgkRecKeys[ kTPAFitter ]) { | |
742 | // expect SET_TPAFITTER | |
743 | fTPAFitter = new AliITSTPArrayFit(kNLocal); | |
744 | } | |
745 | // Do we use new local Y errors? | |
746 | else if (recTitle == fgkRecKeys[ kUseLocalYErr ]) { | |
747 | // expect SET_TPAFITTER | |
748 | fUseLocalYErr = kTRUE; | |
749 | } | |
750 | // | |
751 | else if (recTitle == fgkRecKeys[ kMinPointsSens ]) { //------------------------- | |
752 | if (recOpt.IsNull() || !recOpt.IsDigit() ) {stopped = kTRUE; break;} | |
753 | SetMinPointsPerSensor( recOpt.Atoi() ); | |
754 | } | |
755 | // | |
756 | else continue; // already processed record | |
757 | // | |
758 | } // end of while loop 4 over the various params | |
759 | // | |
760 | break; | |
761 | } // end of while(1) loop | |
762 | // | |
763 | fclose(pfc); | |
764 | if (stopped) { | |
765 | AliError(Form("Failed on record %s %s ...\n",recTitle.Data(),recOpt.Data())); | |
766 | return -1; | |
767 | } | |
768 | // | |
769 | if (CacheMatrices()) return -1; | |
770 | SetUseLocalYErrors(fUseLocalYErr); // YErr used only with TPAFitter | |
771 | fIsConfigured = kTRUE; | |
772 | return 0; | |
773 | } | |
774 | ||
775 | //________________________________________________________________________________________________________ | |
776 | void AliITSAlignMille2::BuildHierarchy() | |
777 | { | |
778 | // build the hieararhy of the modules to align | |
779 | // | |
780 | if (!GetUseGlobalDelta() && PseudoParentsAllowed()) { | |
781 | AliInfo("PseudoParents mode is allowed only when the deltas are global\n" | |
782 | "Since Deltas are local, switching to NoPseudoParents"); | |
783 | SetAllowPseudoParents(kFALSE); | |
784 | } | |
785 | // set parent/child relationship for modules to align | |
786 | AliInfo("Setting parent/child relationships\n"); | |
787 | // | |
788 | // 1) child -> parent reference | |
789 | for (int ipar=0;ipar<fNModules;ipar++) { | |
790 | AliITSAlignMille2Module* parent = GetMilleModule(ipar); | |
791 | if (parent->IsSensor()) continue; // sensor cannot be a parent | |
792 | // | |
793 | for (int icld=0;icld<fNModules;icld++) { | |
794 | if (icld==ipar) continue; | |
795 | AliITSAlignMille2Module* child = GetMilleModule(icld); | |
796 | if (!child->BelongsTo(parent)) continue; | |
797 | // child cannot have more sensors than the parent | |
798 | if (child->GetNSensitiveVolumes() > parent->GetNSensitiveVolumes()) continue; | |
799 | // | |
800 | AliITSAlignMille2Module* parOld = child->GetParent(); | |
801 | // is this parent candidate closer than the old parent ? | |
802 | if (parOld && parOld->GetNSensitiveVolumes()<parent->GetNSensitiveVolumes()) continue; // parOld is closer | |
803 | child->SetParent(parent); | |
804 | } | |
805 | // | |
806 | } | |
807 | // | |
808 | // add parent -> children reference | |
809 | for (int icld=0;icld<fNModules;icld++) { | |
810 | AliITSAlignMille2Module* child = GetMilleModule(icld); | |
811 | AliITSAlignMille2Module* parent = child->GetParent(); | |
812 | if (parent) parent->AddChild(child); | |
813 | } | |
814 | // | |
815 | // reorder the modules in such a way that parents come first | |
816 | for (int icld=0;icld<fNModules;icld++) { | |
817 | AliITSAlignMille2Module* child = GetMilleModule(icld); | |
818 | AliITSAlignMille2Module* parent; | |
819 | while ( (parent=child->GetParent()) && (parent->GetUniqueID()>child->GetUniqueID()) ) { | |
820 | // swap | |
821 | fMilleModule[icld] = parent; | |
822 | fMilleModule[parent->GetUniqueID()] = child; | |
823 | child->SetUniqueID(parent->GetUniqueID()); | |
824 | parent->SetUniqueID(icld); | |
825 | child = parent; | |
826 | } | |
827 | // | |
828 | } | |
829 | // | |
830 | // Go over the child->parent chain and mark modules with explicitly provided sensors. | |
831 | // If the sensors of the unit are explicitly declared, all undeclared sensors are | |
832 | // suppresed in this unit. | |
833 | for (int icld=fNModules;icld--;) { | |
834 | AliITSAlignMille2Module* child = GetMilleModule(icld); | |
835 | AliITSAlignMille2Module* parent = child->GetParent(); | |
836 | if (!parent) continue; | |
837 | // | |
838 | // check if this parent was already processed | |
839 | if (!parent->AreSensorsProvided()) { | |
840 | parent->DelSensitiveVolumes(); | |
841 | parent->SetSensorsProvided(kTRUE); | |
842 | } | |
843 | // reattach sensors to parent | |
844 | for (int isc=child->GetNSensitiveVolumes();isc--;) { | |
845 | UShort_t senVID = child->GetSensVolVolumeID(isc); | |
846 | if (!parent->IsIn(senVID)) parent->AddSensitiveVolume(senVID); | |
847 | } | |
848 | } | |
849 | // | |
850 | } | |
851 | ||
852 | // pepo | |
853 | //________________________________________________________________________________________________________ | |
854 | void AliITSAlignMille2::SetCurrentModule(Int_t id) | |
855 | { | |
856 | // set the current supermodule | |
857 | // new meaning | |
858 | if (fMilleVersion>=2) { | |
859 | fCurrentModule = GetMilleModule(id); | |
860 | return; | |
861 | } | |
862 | // old meaning | |
863 | if (fMilleVersion<=1) { | |
864 | Int_t index=id; | |
865 | /// set as current the SuperModule that contains the 'index' sens.vol. | |
866 | if (index<0 || index>2197) { | |
867 | AliInfo("index does not correspond to a sensitive volume!"); | |
868 | return; | |
869 | } | |
870 | UShort_t voluid=AliITSAlignMille2Module::GetVolumeIDFromIndex(index); | |
871 | Int_t k=IsContained(voluid); | |
872 | if (k>=0){ | |
873 | fCurrentSensID = index; | |
874 | fCluster.SetVolumeID(voluid); | |
875 | fCluster.SetXYZ(0,0,0); | |
876 | InitModuleParams(); | |
877 | } | |
878 | else | |
879 | AliInfo(Form("module %d not defined\n",index)); | |
880 | } | |
881 | } | |
882 | // endpepo | |
883 | //________________________________________________________________________________________________________ | |
884 | void AliITSAlignMille2::SetRequiredPoint(Char_t* where, Int_t ndet, Int_t updw, Int_t nreqpts) | |
885 | { | |
886 | // set minimum number of points in specific detector or layer | |
887 | // where = LAYER or DETECTOR | |
888 | // ndet = detector number: 1-6 for LAYER and 1-3 for DETECTOR (SPD=1, SDD=2, SSD=3) | |
889 | // updw = 1 for Y>0, -1 for Y<0, 0 if not specified | |
890 | // nreqpts = minimum number of points of that type | |
891 | ndet--; | |
892 | if (strstr(where,"LAYER")) { | |
893 | if (ndet<0 || ndet>5) return; | |
894 | if (updw>0) fNReqLayUp[ndet]=nreqpts; | |
895 | else if (updw<0) fNReqLayDown[ndet]=nreqpts; | |
896 | else fNReqLay[ndet]=nreqpts; | |
897 | fRequirePoints=kTRUE; | |
898 | } | |
899 | else if (strstr(where,"DETECTOR")) { | |
900 | if (ndet<0 || ndet>2) return; | |
901 | if (updw>0) fNReqDetUp[ndet]=nreqpts; | |
902 | else if (updw<0) fNReqDetDown[ndet]=nreqpts; | |
903 | else fNReqDet[ndet]=nreqpts; | |
904 | fRequirePoints=kTRUE; | |
905 | } | |
906 | } | |
907 | ||
908 | //________________________________________________________________________________________________________ | |
909 | Int_t AliITSAlignMille2::GetModuleIndex(const Char_t *symname) | |
910 | { | |
911 | /// index from symname | |
912 | if (!symname) return -1; | |
913 | for (Int_t i=0;i<=kMaxITSSensID; i++) { | |
914 | if (!strcmp(symname,AliITSgeomTGeo::GetSymName(i))) return i; | |
915 | } | |
916 | return -1; | |
917 | } | |
918 | ||
919 | //________________________________________________________________________________________________________ | |
920 | Int_t AliITSAlignMille2::GetModuleIndex(UShort_t voluid) | |
921 | { | |
922 | /// index from volume ID | |
923 | AliGeomManager::ELayerID lay = AliGeomManager::VolUIDToLayer(voluid); | |
924 | if (lay<1|| lay>6) return -1; | |
925 | Int_t idx=Int_t(voluid)-2048*lay; | |
926 | if (idx>=AliGeomManager::LayerSize(lay)) return -1; | |
927 | for (Int_t ilay=1; ilay<lay; ilay++) | |
928 | idx += AliGeomManager::LayerSize(ilay); | |
929 | return idx; | |
930 | } | |
931 | ||
932 | //________________________________________________________________________________________________________ | |
933 | UShort_t AliITSAlignMille2::GetModuleVolumeID(const Char_t *symname) | |
934 | { | |
935 | /// volume ID from symname | |
936 | /// works for sensitive volumes only | |
937 | if (!symname) return 0; | |
938 | ||
939 | for (UShort_t voluid=2000; voluid<13300; voluid++) { | |
940 | Int_t modId; | |
941 | AliGeomManager::ELayerID layerId = AliGeomManager::VolUIDToLayer(voluid,modId); | |
942 | if (layerId>0 && layerId<7 && modId>=0 && modId<AliGeomManager::LayerSize(layerId)) { | |
943 | if (!strcmp(symname,AliGeomManager::SymName(layerId,modId))) return voluid; | |
944 | } | |
945 | } | |
946 | ||
947 | return 0; | |
948 | } | |
949 | ||
950 | //________________________________________________________________________________________________________ | |
951 | UShort_t AliITSAlignMille2::GetModuleVolumeID(Int_t index) | |
952 | { | |
953 | /// volume ID from index | |
954 | if (index<0) return 0; | |
955 | if (index<2198) | |
956 | return GetModuleVolumeID(AliITSgeomTGeo::GetSymName(index)); | |
957 | else { | |
958 | for (int i=0; i<fNSuperModules; i++) { | |
959 | if (GetSuperModule(i)->GetIndex()==index) return GetSuperModule(i)->GetVolumeID(); | |
960 | } | |
961 | } | |
962 | return 0; | |
963 | } | |
964 | ||
965 | //________________________________________________________________________________________________________ | |
966 | Int_t AliITSAlignMille2::InitGeometry() | |
967 | { | |
968 | /// initialize geometry | |
969 | AliInfo("Loading initial geometry"); | |
970 | if (!fGeometryPath.IsNull() && gSystem->AccessPathName(fGeometryPath.Data()) ) { | |
971 | AliError(Form("Explicitly provided geometry file %s is not accessible",fGeometryPath.Data())); | |
972 | return -1; | |
973 | } | |
974 | // | |
975 | AliGeomManager::LoadGeometry(fGeometryPath.Data()); | |
976 | fGeoManager = AliGeomManager::GetGeometry(); | |
977 | if (!fGeoManager) { | |
978 | AliInfo("Couldn't initialize geometry"); | |
979 | return -1; | |
980 | } | |
981 | return 0; | |
982 | } | |
983 | ||
984 | //________________________________________________________________________________________________________ | |
985 | Int_t AliITSAlignMille2::SetConstraintWrtRef(const char* reffname) | |
986 | { | |
987 | // Load the global deltas from this file. The local gaussian constraints on some modules | |
988 | // will be defined with respect to the deltas from this reference file, converted to local | |
989 | // delta format. Note: conversion to local format requires reloading the geometry! | |
990 | // | |
991 | AliInfo(Form("Loading reference deltas for local constraints from %s",reffname)); | |
992 | if (!fGeoManager) return -1; | |
993 | fConstrRefPath = reffname; | |
994 | if (fConstrRefPath == "IDEAL") { // the reference is the ideal geometry, just create dummy reference array | |
995 | fConstrRef = new TClonesArray("AliAlignObjParams",1); | |
996 | return 0; | |
997 | } | |
998 | if (LoadDeltas(fConstrRefPath,fConstrRef)) return -1; | |
999 | // | |
1000 | // we need ideal geometry to convert global deltas to local ones | |
1001 | if (fUsePreAlignment) { | |
1002 | AliError("The call of SetConstraintWrtRef must be done before application of the prealignment"); | |
1003 | return -1; | |
1004 | } | |
1005 | // | |
1006 | AliInfo("Converting global reference deltas to local ones"); | |
1007 | Int_t nprea = fConstrRef->GetEntriesFast(); | |
1008 | for (int ix=0; ix<nprea; ix++) { | |
1009 | AliAlignObjParams *preo=(AliAlignObjParams*) fConstrRef->At(ix); | |
1010 | if (!preo->ApplyToGeometry()) return -1; | |
1011 | } | |
1012 | // | |
1013 | // now convert the global reference deltas to local ones | |
1014 | for (int i=fConstrRef->GetEntriesFast();i--;) { | |
1015 | AliAlignObjParams *preo = (AliAlignObjParams*)fConstrRef->At(i); | |
1016 | TGeoHMatrix * mupd = AliGeomManager::GetMatrix(preo->GetSymName()); | |
1017 | if (!mupd) { // this is not alignable entry, need to look in the supermodules | |
1018 | for (int im=fNSuperModules;im--;) { | |
1019 | AliITSAlignMille2Module* mod = GetSuperModule(im); | |
1020 | if ( strcmp(mod->GetName(), preo->GetSymName()) ) continue; | |
1021 | mupd = mod->GetMatrix(); | |
1022 | break; | |
1023 | } | |
1024 | if (!mupd) { | |
1025 | AliError(Form("Failed to find the volume for reference %s",preo->GetSymName())); | |
1026 | return -1; | |
1027 | } | |
1028 | } | |
1029 | TGeoHMatrix preMat; | |
1030 | preo->GetMatrix(preMat); // Delta_Glob | |
1031 | TGeoHMatrix tmpMat = *mupd; // Delta_Glob * Delta_Glob_Par * M | |
1032 | preMat.MultiplyLeft( &tmpMat.Inverse() ); // M^-1 * Delta_Glob_Par^-1 = (Delta_Glob_Par * M)^-1 | |
1033 | tmpMat.MultiplyLeft( &preMat ); // (Delta_Glob_Par * M)^-1 * Delta_Glob * Delta_Glob_Par * M = Delta_loc | |
1034 | preo->SetMatrix(tmpMat); // local corrections | |
1035 | } | |
1036 | // | |
1037 | // we need to reload the geometry spoiled by this reference deltas... | |
1038 | delete fGeoManager; | |
1039 | AliInfo("Reloading initial geometry"); | |
1040 | return InitGeometry(); | |
1041 | // | |
1042 | } | |
1043 | ||
1044 | //________________________________________________________________________________________________________ | |
1045 | void AliITSAlignMille2::Init() | |
1046 | { | |
1047 | // perform global initialization | |
1048 | // | |
1049 | if (fIsMilleInit) { | |
1050 | AliInfo("Millepede has been already initialized!"); | |
1051 | return; | |
1052 | } | |
1053 | // range constraints in such a way that the childs are constrained before their parents | |
1054 | // orphan constraints come last | |
1055 | for (int ic=0;ic<GetNConstraints();ic++) { | |
1056 | for (int ic1=ic+1;ic1<GetNConstraints();ic1++) { | |
1057 | AliITSAlignMille2Constraint *cst0 = GetConstraint(ic); | |
1058 | AliITSAlignMille2Constraint *cst1 = GetConstraint(ic1); | |
1059 | if (cst0->GetModuleID()<cst1->GetModuleID()) { | |
1060 | // swap | |
1061 | fConstraints[ic] = cst1; | |
1062 | fConstraints[ic1] = cst0; | |
1063 | } | |
1064 | } | |
1065 | } | |
1066 | // | |
1067 | if (!GetUseGlobalDelta()) { | |
1068 | AliInfo("ATTENTION: The parameters are defined in the local frame, no check for degeneracy will be done"); | |
1069 | for (int imd=fNModules;imd--;) { | |
1070 | AliITSAlignMille2Module* mod = GetMilleModule(imd); | |
1071 | int npar = mod->GetNParTot(); | |
1072 | // the parameter may have max 1 free instance, otherwise the equations are underdefined | |
1073 | for (int ipar=0;ipar<npar;ipar++) { | |
1074 | if (!mod->IsFreeDOF(ipar)) continue; | |
1075 | mod->SetParOffset(ipar,fNGlobal++); | |
1076 | } | |
1077 | } | |
1078 | } | |
1079 | else { | |
1080 | // init millepede, decide which parameters are to be fitted explicitly | |
1081 | for (int imd=fNModules;imd--;) { | |
1082 | AliITSAlignMille2Module* mod = GetMilleModule(imd); | |
1083 | int npar = mod->GetNParTot(); | |
1084 | // the parameter may have max 1 free instance, otherwise the equations are underdefined | |
1085 | for (int ipar=0;ipar<npar;ipar++) { | |
1086 | if (!mod->IsFreeDOF(ipar)) continue; // fixed | |
1087 | // | |
1088 | int nFreeInstances = 0; | |
1089 | // | |
1090 | AliITSAlignMille2Module* parent = mod; | |
1091 | Bool_t cstMeanMed=kFALSE,cstGauss=kFALSE; | |
1092 | // | |
1093 | Bool_t addToFit = kFALSE; | |
1094 | // the parameter may be ommitted from explicit fit (if PseudoParentsAllowed is true) if | |
1095 | // 1) it is not explicitly constrained or its does not participate in Gaussian constraint | |
1096 | // 2) the same applies to all of its parents | |
1097 | // 3) it has at least 1 unconstrained direct child | |
1098 | while(parent) { | |
1099 | if (!parent->IsFreeDOF(ipar)) {parent = parent->GetParent(); continue;} | |
1100 | nFreeInstances++; | |
1101 | if (IsParModConstrained(parent,ipar, cstMeanMed, cstGauss)) nFreeInstances--; | |
1102 | if (cstGauss) addToFit = kTRUE; | |
1103 | parent = parent->GetParent(); | |
1104 | } | |
1105 | if (nFreeInstances>1) { | |
1106 | AliError(Form("Parameter#%d of module %s\nhas %d free instances in the " | |
1107 | "unconstrained parents\nSystem is undefined",ipar,mod->GetName(),nFreeInstances)); | |
1108 | exit(1); | |
1109 | } | |
1110 | // | |
1111 | // i) Are PseudoParents allowed? | |
1112 | if (!PseudoParentsAllowed()) addToFit = kTRUE; | |
1113 | // ii) check if this module has no child with such a free parameter. Since the order of this check | |
1114 | // goes from child to parent, by this moment such a parameter must have been already added | |
1115 | else if (!IsParModFamilyVaried(mod,ipar)) addToFit = kTRUE; // no varied children at all | |
1116 | else if (!IsParFamilyFree(mod,ipar,1)) addToFit = kTRUE; // no unconstrained direct children | |
1117 | // otherwise the value of this parameter can be extracted from simple contraint and the values of | |
1118 | // the relevant parameters of its children the fit is done. Hence it is not included | |
1119 | if (!addToFit) continue; | |
1120 | // | |
1121 | // shall add this parameter to explicit fit | |
1122 | // printf("Adding %s %d -> %d\n",mod->GetName(), ipar, fNGlobal); | |
1123 | mod->SetParOffset(ipar,fNGlobal++); | |
1124 | } | |
1125 | } | |
1126 | } | |
1127 | // | |
1128 | AliInfo(Form("Initializing Millepede with %d gpar, %d lpar and %d stddev ...",fNGlobal, kNLocal, fNStdDev)); | |
1129 | fGlobalDerivatives = new Double_t[fNGlobal]; | |
1130 | memset(fGlobalDerivatives,0,fNGlobal*sizeof(Double_t)); | |
1131 | // | |
1132 | fMillepede->InitMille(fNGlobal,kNLocal,fNStdDev,fResCut,fResCutInitial); | |
1133 | fMillepede->SetMinPntValid(fMinPntPerSens); | |
1134 | fIsMilleInit = kTRUE; | |
1135 | // | |
1136 | ResetLocalEquation(); | |
1137 | AliInfo("Parameters initialized to zero"); | |
1138 | // | |
1139 | /// Fix non free parameters | |
1140 | for (Int_t i=0; i<fNModules; i++) { | |
1141 | AliITSAlignMille2Module* mod = GetMilleModule(i); | |
1142 | for (Int_t j=0; j<mod->GetNParTot(); j++) { | |
1143 | if (mod->GetParOffset(j)<0) continue; // not varied | |
1144 | FixParameter(mod->GetParOffset(j),mod->GetParConstraint(j)); | |
1145 | fMillepede->SetParamGrID(i, mod->GetParOffset(j)); | |
1146 | } | |
1147 | } | |
1148 | // | |
1149 | // Set iterations | |
1150 | if (fStartFac>1) fMillepede->SetIterations(fStartFac); | |
1151 | // | |
1152 | } | |
1153 | ||
1154 | //________________________________________________________________________________________________________ | |
1155 | void AliITSAlignMille2::AddConstraint(Double_t *par, Double_t value, Double_t sigma) | |
1156 | { | |
1157 | /// Constrain equation defined by par to value | |
1158 | if (!fIsMilleInit) Init(); | |
1159 | fMillepede->SetGlobalConstraint(par, value, sigma); | |
1160 | AliInfo("Adding constraint"); | |
1161 | } | |
1162 | ||
1163 | //________________________________________________________________________________________________________ | |
1164 | void AliITSAlignMille2::InitGlobalParameters(Double_t *par) | |
1165 | { | |
1166 | /// Initialize global parameters with par array | |
1167 | if (!fIsMilleInit) Init(); | |
1168 | fMillepede->SetGlobalParameters(par); | |
1169 | AliInfo("Init Global Parameters"); | |
1170 | } | |
1171 | ||
1172 | //________________________________________________________________________________________________________ | |
1173 | void AliITSAlignMille2::FixParameter(Int_t iPar, Double_t value) | |
1174 | { | |
1175 | /// Parameter iPar is encourage to vary in [-value;value]. | |
1176 | /// If value == 0, parameter is fixed | |
1177 | if (!fIsMilleInit) { | |
1178 | AliInfo("Millepede has not been initialized!"); | |
1179 | return; | |
1180 | } | |
1181 | fMillepede->SetParSigma(iPar, value); | |
1182 | if (IsZero(value)) AliInfo(Form("Parameter %i Fixed", iPar)); | |
1183 | } | |
1184 | ||
1185 | //________________________________________________________________________________________________________ | |
1186 | void AliITSAlignMille2::ResetLocalEquation() | |
1187 | { | |
1188 | /// Reset the derivative vectors | |
1189 | for(int i=kNLocal;i--;) fLocalDerivatives[i] = 0.0; | |
1190 | memset(fGlobalDerivatives, 0, fNGlobal*sizeof(double) ); | |
1191 | } | |
1192 | ||
1193 | //________________________________________________________________________________________________________ | |
1194 | Int_t AliITSAlignMille2::ApplyToGeometry() | |
1195 | { | |
1196 | // apply prealignment to ideal geometry | |
1197 | Int_t nprea = fPrealignment->GetEntriesFast(); | |
1198 | AliInfo(Form("Array of prealignment deltas: %d entries",nprea)); | |
1199 | // | |
1200 | for (int ix=0; ix<nprea; ix++) { | |
1201 | AliAlignObjParams *preo=(AliAlignObjParams*) fPrealignment->At(ix); | |
1202 | Int_t index=AliITSAlignMille2Module::GetIndexFromVolumeID(preo->GetVolUID()); | |
1203 | if (index>=0) { | |
1204 | if (index>=fPreAlignQF.GetSize()) fPreAlignQF.Set(index+10); | |
1205 | fPreAlignQF[index] = (int) preo->GetUniqueID()+1; | |
1206 | } | |
1207 | if (!preo->ApplyToGeometry()) { | |
1208 | AliError(Form("Failed on ApplyToGeometry at %s",preo->GetSymName())); | |
1209 | return -1; | |
1210 | } | |
1211 | } | |
1212 | // | |
1213 | fUsePreAlignment = kTRUE; | |
1214 | return 0; | |
1215 | } | |
1216 | ||
1217 | //________________________________________________________________________________________________________ | |
1218 | Int_t AliITSAlignMille2::GetPreAlignmentQualityFactor(Int_t index) const | |
1219 | { | |
1220 | // quality factors from prealignment | |
1221 | if (!fUsePreAlignment || index<0 || index>=fPreAlignQF.GetSize()) return -1; | |
1222 | return fPreAlignQF[index]-1; | |
1223 | } | |
1224 | ||
1225 | //________________________________________________________________________________________________________ | |
1226 | AliTrackPointArray *AliITSAlignMille2::PrepareTrack(const AliTrackPointArray *atp) | |
1227 | { | |
1228 | /// create a new AliTrackPointArray keeping only defined modules | |
1229 | /// move points according to a given prealignment, if any | |
1230 | /// sort alitrackpoints w.r.t. global Y direction, if selected | |
1231 | const Double_t kRad2L[6] = {5*5,10*10,18*18,30*30,40*40,60*60}; | |
1232 | const Float_t kSensSigY2[6] = {200e-4*200e-4/12, 200e-4*200e-4/12, | |
1233 | 300e-4*300e-4/12, 300e-4*300e-4/12, | |
1234 | 300e-4*300e-4/12, 300e-4*300e-4/12}; // thickness^2/12 | |
1235 | // | |
1236 | fTrack = NULL; | |
1237 | Int_t idx[20]; | |
1238 | Short_t lrID[20]; | |
1239 | Int_t npts=atp->GetNPoints(); | |
1240 | TGeoHMatrix hcov; | |
1241 | // | |
1242 | /// checks if AliTrackPoints belong to defined modules | |
1243 | Int_t ngoodpts=0; | |
1244 | Int_t intidx[20]; | |
1245 | for (int j=0; j<npts; j++) { | |
1246 | intidx[j] = IsVIDContained(atp->GetVolumeID()[j]); | |
1247 | if (intidx[j]<0) continue; | |
1248 | ngoodpts++; | |
1249 | Float_t xx=atp->GetX()[j]; | |
1250 | Float_t yy=atp->GetY()[j]; | |
1251 | Float_t r=xx*xx + yy*yy; | |
1252 | int lay; | |
1253 | for (lay=0;lay<6;lay++) if (r<kRad2L[lay]) break; | |
1254 | if (lay>5) continue; | |
1255 | lrID[j] = lay; | |
1256 | } | |
1257 | // | |
1258 | AliDebug(3,Form("Number of points in defined modules: %d out of %d",ngoodpts,npts)); | |
1259 | ||
1260 | // pepo270809 | |
1261 | Int_t nextra=0; | |
1262 | // extra clusters selection mode | |
1263 | if (fExtraClustersMode) { | |
1264 | // 1 = keep one cluster, remove randomly the extra | |
1265 | // 2 = keep one cluster, remove the internal one | |
1266 | // 10 = keep tracks only if at least one extra is present | |
1267 | ||
1268 | int iextra1[20],iextra2[20],layovl[20]; | |
1269 | // extra clusters mapping | |
1270 | for (Int_t ipt=0; ipt<npts; ipt++) { | |
1271 | if (intidx[ipt]<0) continue; // looks only defined modules... | |
1272 | float p1x=atp->GetX()[ipt]; | |
1273 | float p1y=atp->GetY()[ipt]; | |
1274 | float p1z=atp->GetZ()[ipt]; | |
1275 | int lay1=int(AliGeomManager::VolUIDToLayer(atp->GetVolumeID()[ipt])); | |
1276 | float r1 = p1x*p1x + p1y*p1y; | |
1277 | UShort_t volid1=atp->GetVolumeID()[ipt]; | |
1278 | ||
1279 | for (int ik=ipt+1; ik<npts; ik++) { | |
1280 | if (intidx[ik]<0) continue; | |
1281 | // compare point ipt with next ones | |
1282 | int lay2=int(AliGeomManager::VolUIDToLayer(atp->GetVolumeID()[ik])); | |
1283 | // check if same layer | |
1284 | if (lay2 != lay1) continue; | |
1285 | UShort_t volid2=atp->GetVolumeID()[ik]; | |
1286 | // check if different module | |
1287 | if (volid1 == volid2) continue; | |
1288 | ||
1289 | float p2x=atp->GetX()[ik]; | |
1290 | float p2y=atp->GetY()[ik]; | |
1291 | float p2z=atp->GetZ()[ik]; | |
1292 | float r2 = p2x*p2x + p2y*p2y; | |
1293 | float dr= (p1x-p2x)*(p1x-p2x) + (p1y-p2y)*(p1y-p2y) + (p1z-p2z)*(p1z-p2z); | |
1294 | ||
1295 | // looks for pairs with dr<1 cm, same layer but different module | |
1296 | if (dr<1.0) { | |
1297 | // extra1 is the one with smaller radius in rphi plane | |
1298 | if (r1<r2) { | |
1299 | iextra1[nextra]=ipt; | |
1300 | iextra2[nextra]=ik; | |
1301 | } | |
1302 | else { | |
1303 | iextra1[nextra]=ik; | |
1304 | iextra2[nextra]=ipt; | |
1305 | } | |
1306 | layovl[nextra]=lay1; | |
1307 | nextra++; | |
1308 | } | |
1309 | } | |
1310 | } // end overlaps mapping | |
1311 | ||
1312 | // mode=1: keep only one clusters and remove the other randomly | |
1313 | if (fExtraClustersMode==1 && nextra) { | |
1314 | for (int ie=0; ie<nextra; ie++) { | |
1315 | if (gRandom->Rndm()<0.5) | |
1316 | intidx[iextra1[ie]]=-1; | |
1317 | else | |
1318 | intidx[iextra2[ie]]=-1; | |
1319 | } | |
1320 | } | |
1321 | ||
1322 | // mode=2: keep only one clusters and remove the other... | |
1323 | if (fExtraClustersMode==2 && nextra) { | |
1324 | for (int ie=0; ie<nextra; ie++) { | |
1325 | if (layovl[ie]==1) intidx[iextra2[ie]]=-1; | |
1326 | else if (layovl[ie]==2) intidx[iextra1[ie]]=-1; | |
1327 | else intidx[iextra1[ie]]=-1; | |
1328 | } | |
1329 | } | |
1330 | ||
1331 | // mode=10: reject track if no overlaps are present | |
1332 | if (fExtraClustersMode==10 && nextra==0) { | |
1333 | AliInfo("Track with no extra clusters: rejected!"); | |
1334 | return NULL; | |
1335 | } | |
1336 | ||
1337 | // recalculate ngoodpts | |
1338 | ngoodpts=0; | |
1339 | for (int i=0; i<npts; i++) { | |
1340 | if (intidx[i]>=0) ngoodpts++; | |
1341 | } | |
1342 | } | |
1343 | // endpepo270809 | |
1344 | ||
1345 | // reject track if not enough points are left | |
1346 | if (ngoodpts<fMinNPtsPerTrack) { | |
1347 | AliInfo("Track with not enough points!"); | |
1348 | return NULL; | |
1349 | } | |
1350 | // >> RS | |
1351 | AliTrackPoint p; | |
1352 | // check points in specific places | |
1353 | if (fRequirePoints) { | |
1354 | Int_t nlayup[6],nlaydown[6],nlay[6]; | |
1355 | Int_t ndetup[3],ndetdown[3],ndet[3]; | |
1356 | for (Int_t j=0; j<6; j++) {nlayup[j]=0; nlaydown[j]=0; nlay[j]=0;} | |
1357 | for (Int_t j=0; j<3; j++) {ndetup[j]=0; ndetdown[j]=0; ndet[j]=0;} | |
1358 | ||
1359 | for (int i=0; i<npts; i++) { | |
1360 | // skip not defined points | |
1361 | if (intidx[i]<0) continue; | |
1362 | // | |
1363 | Float_t yy=atp->GetY()[i]; | |
1364 | int lay = lrID[i]; | |
1365 | int det=lay/2; | |
1366 | //printf("Point %d - x=%f y=%f R=%f lay=%d det=%d\n",i,xx,yy,r,lay,det); | |
1367 | ||
1368 | if (yy>=0.0) { // UP point | |
1369 | nlayup[lay]++; | |
1370 | nlay[lay]++; | |
1371 | ndetup[det]++; | |
1372 | ndet[det]++; | |
1373 | } | |
1374 | else { | |
1375 | nlaydown[lay]++; | |
1376 | nlay[lay]++; | |
1377 | ndetdown[det]++; | |
1378 | ndet[det]++; | |
1379 | } | |
1380 | } | |
1381 | // | |
1382 | // checks minimum values | |
1383 | Bool_t isok=kTRUE; | |
1384 | for (Int_t j=0; j<6; j++) { | |
1385 | if (nlayup[j]<fNReqLayUp[j]) isok=kFALSE; | |
1386 | if (nlaydown[j]<fNReqLayDown[j]) isok=kFALSE; | |
1387 | if (nlay[j]<fNReqLay[j]) isok=kFALSE; | |
1388 | } | |
1389 | for (Int_t j=0; j<3; j++) { | |
1390 | if (ndetup[j]<fNReqDetUp[j]) isok=kFALSE; | |
1391 | if (ndetdown[j]<fNReqDetDown[j]) isok=kFALSE; | |
1392 | if (ndet[j]<fNReqDet[j]) isok=kFALSE; | |
1393 | } | |
1394 | if (!isok) { | |
1395 | AliDebug(2,Form("Track does not meet all location point requirements!")); | |
1396 | return NULL; | |
1397 | } | |
1398 | } | |
1399 | // build a new track with (sorted) (prealigned) good points | |
1400 | // pepo200709 | |
1401 | //fTrack = (AliTrackPointArray*)fTrackBuff[ngoodpts-fMinNPtsPerTrack]; | |
1402 | fTrack = (AliTrackPointArray*)fTrackBuff[ngoodpts]; | |
1403 | if (!fTrack) { | |
1404 | fTrack = new AliTrackPointArray(ngoodpts); | |
1405 | // fTrackBuff.AddAtAndExpand(fTrack,ngoodpts-fMinNPtsPerTrack); | |
1406 | fTrackBuff.AddAtAndExpand(fTrack,ngoodpts); | |
1407 | } | |
1408 | // fTrack = new AliTrackPointArray(ngoodpts); | |
1409 | // endpepo200709 | |
1410 | // | |
1411 | // | |
1412 | for (int i=0; i<npts; i++) idx[i]=i; | |
1413 | // sort track if required | |
1414 | TMath::Sort(npts,atp->GetY(),idx); // sort descending... | |
1415 | // | |
1416 | Int_t npto=0; | |
1417 | if (fClusLoc.GetSize()<3*npts) fClusLoc.Set(3*npts); | |
1418 | if (fClusGlo.GetSize()<3*npts) fClusGlo.Set(3*npts); | |
1419 | if (fClusSigLoc.GetSize()<3*npts) fClusSigLoc.Set(3*npts); | |
1420 | // | |
1421 | for (int i=0; i<npts; i++) { | |
1422 | // skip not defined points | |
1423 | if (intidx[idx[i]]<0) continue; | |
1424 | atp->GetPoint(p,idx[i]); | |
1425 | int sid = AliITSAlignMille2Module::GetIndexFromVolumeID(p.GetVolumeID()); | |
1426 | // | |
1427 | // prealign point if required | |
1428 | // get matrix used to produce the digits | |
1429 | AliITSAlignMille2Module *mod = GetMilleModule(intidx[idx[i]]); | |
1430 | TGeoHMatrix *svOrigMatrix = GetSensorOrigMatrixSID(sid); //mod->GetSensitiveVolumeOrigGlobalMatrix(p.GetVolumeID()); | |
1431 | // get back real local coordinate | |
1432 | Double_t *pl = fClusLoc.GetArray() + npto*3; | |
1433 | Double_t *pg = fClusGlo.GetArray() + npto*3; | |
1434 | Double_t *sgl = fClusSigLoc.GetArray() + npto*3; | |
1435 | pg[0]=p.GetX(); | |
1436 | pg[1]=p.GetY(); | |
1437 | pg[2]=p.GetZ(); | |
1438 | AliDebug(3,Form("Global coordinates of measured point : X=%f Y=%f Z=%f \n",pg[0],pg[1],pg[2])); | |
1439 | svOrigMatrix->MasterToLocal(pg,pl); | |
1440 | AliDebug(3,Form("Local coordinates of measured point : X=%f Y=%f Z=%f \n",pg[0],pg[1],pg[2])); | |
1441 | // | |
1442 | // this is a temporary code to extract the drift speed used for given point | |
1443 | if (p.GetDriftTime()>0) { // RRR | |
1444 | // calculate the drift speed | |
1445 | fDriftTime0[npto] = fInitialRecSDD ? fInitialRecSDD->GetTimeZero(sid) : 0.; | |
1446 | double tdif = p.GetDriftTime() - fDriftTime0[npto]; | |
1447 | if (tdif<=0) tdif = 1; | |
1448 | double vdrift = (3.5085-TMath::Abs(pl[0]))/tdif; | |
1449 | if (vdrift<0) vdrift = 0; | |
1450 | // | |
1451 | // TEMPORARY CORRECTION (if provided) -------------->>> | |
1452 | if (fCorrectSDD) { | |
1453 | float t0Upd = fCorrectSDD->GetTimeZero(sid); | |
1454 | vdrift += fCorrectSDD->GetDeltaVDrift(sid); | |
1455 | tdif = p.GetDriftTime() - t0Upd; | |
1456 | // correct Xlocal | |
1457 | pl[0] = TMath::Sign(3.5085 - vdrift*tdif,pl[0]); | |
1458 | fDriftTime0[npto] = t0Upd; | |
1459 | } | |
1460 | // TEMPORARY CORRECTION (if provided) --------------<<< | |
1461 | fDriftSpeed[npto] = TMath::Sign(vdrift,pl[0]); | |
1462 | // | |
1463 | } | |
1464 | // update covariance matrix | |
1465 | Double_t hcovel[9]; | |
1466 | hcovel[0]=double(p.GetCov()[0]); | |
1467 | hcovel[1]=double(p.GetCov()[1]); | |
1468 | hcovel[2]=double(p.GetCov()[2]); | |
1469 | hcovel[3]=double(p.GetCov()[1]); | |
1470 | hcovel[4]=double(p.GetCov()[3]); | |
1471 | hcovel[5]=double(p.GetCov()[4]); | |
1472 | hcovel[6]=double(p.GetCov()[2]); | |
1473 | hcovel[7]=double(p.GetCov()[4]); | |
1474 | hcovel[8]=double(p.GetCov()[5]); | |
1475 | hcov.SetRotation(hcovel); | |
1476 | // now rotate in local system | |
1477 | hcov.Multiply(svOrigMatrix); | |
1478 | hcov.MultiplyLeft(&svOrigMatrix->Inverse()); | |
1479 | // now hcov is LOCAL COVARIANCE MATRIX | |
1480 | // apply sigma scaling | |
1481 | Double_t *hcovscl = hcov.GetRotationMatrix(); | |
1482 | hcovscl[4] = fUseLocalYErr ? kSensSigY2[lrID[idx[i]]] : 1E-10; // error due to the sensor thickness | |
1483 | // | |
1484 | for (int ir=3;ir--;) for (int ic=3;ic--;) { | |
1485 | if (ir==ic) { | |
1486 | if ( IsZero(hcovscl[ir*3+ic]) ) hcovscl[ir*3+ic] = 0.; | |
1487 | else hcovscl[ir*3+ic] *= mod->GetSigmaFactor(ir)*mod->GetSigmaFactor(ic); //RRR | |
1488 | sgl[ir] = TMath::Sqrt(hcovscl[ir*3+ic]); | |
1489 | } | |
1490 | else hcovscl[ir*3+ic] = 0; | |
1491 | } | |
1492 | // | |
1493 | // | |
1494 | if (fBug==1) { | |
1495 | // correzione bug LAYER 5 SSD temporanea.. | |
1496 | int ssdidx=AliITSAlignMille2Module::GetIndexFromVolumeID(p.GetVolumeID()); | |
1497 | if (ssdidx>=500 && ssdidx<1248) { | |
1498 | int ladder=(ssdidx-500)%22; | |
1499 | if (ladder==18) p.SetVolumeID(AliITSAlignMille2Module::GetVolumeIDFromIndex(ssdidx+1)); | |
1500 | if (ladder==19) p.SetVolumeID(AliITSAlignMille2Module::GetVolumeIDFromIndex(ssdidx-1)); | |
1501 | } | |
1502 | } | |
1503 | /// get (evenctually prealigned) matrix of sens. vol. | |
1504 | TGeoHMatrix *svMatrix = GetSensorCurrMatrixSID(sid); //mod->GetSensitiveVolumeMatrix(p.GetVolumeID()); | |
1505 | // modify global coordinates according with pre-aligment | |
1506 | svMatrix->LocalToMaster(pl,pg); | |
1507 | // now rotate in local system | |
1508 | hcov.Multiply(&svMatrix->Inverse()); | |
1509 | hcov.MultiplyLeft(svMatrix); // hcov is back in GLOBAL RF | |
1510 | // cure once more | |
1511 | for (int ir=3;ir--;) for (int ic=3;ic--;) if (IsZero(hcovscl[ir*3+ic])) hcovscl[ir*3+ic] = 0.; | |
1512 | // printf("\nErrMatGlob: after\n"); hcov.Print(""); //RRR | |
1513 | // | |
1514 | Float_t pcov[6]; | |
1515 | pcov[0]=hcovscl[0]; | |
1516 | pcov[1]=hcovscl[1]; | |
1517 | pcov[2]=hcovscl[2]; | |
1518 | pcov[3]=hcovscl[4]; | |
1519 | pcov[4]=hcovscl[5]; | |
1520 | pcov[5]=hcovscl[8]; | |
1521 | // | |
1522 | p.SetXYZ(pg[0],pg[1],pg[2],pcov); | |
1523 | // printf("New Gl coordinates of measured point : X=%f Y=%f Z=%f \n",pg[0],pg[1],pg[2]); | |
1524 | AliDebug(3,Form("New global coordinates of measured point : X=%f Y=%f Z=%f \n",pg[0],pg[1],pg[2])); | |
1525 | fTrack->AddPoint(npto,&p); | |
1526 | AliDebug(2,Form("Adding point[%d] = ( %f , %f , %f ) volid = %d",npto,fTrack->GetX()[npto], | |
1527 | fTrack->GetY()[npto],fTrack->GetZ()[npto],fTrack->GetVolumeID()[npto] )); | |
1528 | // printf("Adding %d %d %f\n",npto, p.GetVolumeID(), p.GetY()); | |
1529 | npto++; | |
1530 | } | |
1531 | // | |
1532 | return fTrack; | |
1533 | } | |
1534 | ||
1535 | //________________________________________________________________________________________________________ | |
1536 | AliTrackPointArray *AliITSAlignMille2::SortTrack(const AliTrackPointArray *atp) | |
1537 | { | |
1538 | /// sort alitrackpoints w.r.t. global Y direction | |
1539 | AliTrackPointArray *atps=NULL; | |
1540 | Int_t idx[20]; | |
1541 | Int_t npts=atp->GetNPoints(); | |
1542 | AliTrackPoint p; | |
1543 | atps=new AliTrackPointArray(npts); | |
1544 | ||
1545 | TMath::Sort(npts,atp->GetY(),idx); | |
1546 | ||
1547 | for (int i=0; i<npts; i++) { | |
1548 | atp->GetPoint(p,idx[i]); | |
1549 | atps->AddPoint(i,&p); | |
1550 | AliDebug(2,Form("Point[%d] = ( %f , %f , %f ) volid = %d",i,atps->GetX()[i],atps->GetY()[i],atps->GetZ()[i],atps->GetVolumeID()[i] )); | |
1551 | } | |
1552 | return atps; | |
1553 | } | |
1554 | ||
1555 | //________________________________________________________________________________________________________ | |
1556 | Int_t AliITSAlignMille2::GetCurrentLayer() const | |
1557 | { | |
1558 | // get current layer id | |
1559 | if (!fGeoManager) { | |
1560 | AliInfo("ITS geometry not initialized!"); | |
1561 | return -1; | |
1562 | } | |
1563 | return (Int_t)AliGeomManager::VolUIDToLayer(fCluster.GetVolumeID()); | |
1564 | } | |
1565 | ||
1566 | //________________________________________________________________________________________________________ | |
1567 | Int_t AliITSAlignMille2::InitModuleParams() | |
1568 | { | |
1569 | /// initialize geometry parameters for a given detector | |
1570 | /// for current cluster (fCluster) | |
1571 | /// fGlobalInitParam[] is set as: | |
1572 | /// [tx,ty,tz,psi,theta,phi] | |
1573 | /// (old was [tx,ty,tz,theta,psi,phi] ROOT's angles...) | |
1574 | /// *** At the moment: using Raffalele's angles definition *** | |
1575 | /// | |
1576 | /// return 0 if success | |
1577 | /// If module is found but has no parameters to vary, return 1 | |
1578 | ||
1579 | if (!fGeoManager) { | |
1580 | AliInfo("ITS geometry not initialized!"); | |
1581 | return -1; | |
1582 | } | |
1583 | ||
1584 | // now 'voluid' is the volumeID of a SENSITIVE VOLUME (coming from a cluster) | |
1585 | ||
1586 | // set the internal index (index in module list) | |
1587 | UShort_t voluid=fCluster.GetVolumeID(); | |
1588 | fCurrentSensID = AliITSAlignMille2Module::GetIndexFromVolumeID(voluid); | |
1589 | // | |
1590 | // IT IS VERY IMPORTANT: start from the end of the list, where the childs are located !!! | |
1591 | Int_t k=fNModules-1; | |
1592 | fCurrentModule = 0; | |
1593 | // VERY IMPORTANT: if the sensors were explicitly provided, don't look in the supermodules | |
1594 | while (k>=0 && ! (fCurrentModule=GetMilleModule(k))->IsIn(voluid)) k--; | |
1595 | if (k<0) return -3; | |
1596 | // | |
1597 | for (int i=AliITSAlignMille2Module::kMaxParTot;i--;) fModuleInitParam[i] = 0.0; | |
1598 | // | |
1599 | int clID = fCluster.GetUniqueID()-1; | |
1600 | if (clID<0) { // external cluster | |
1601 | fMeasGlo = &fExtClusterPar[0]; | |
1602 | fMeasLoc = &fExtClusterPar[3]; | |
1603 | fSigmaLoc = &fExtClusterPar[6]; | |
1604 | fExtClusterPar[0] = fCluster.GetX(); | |
1605 | fExtClusterPar[1] = fCluster.GetY(); | |
1606 | fExtClusterPar[2] = fCluster.GetZ(); | |
1607 | // | |
1608 | TGeoHMatrix *svMatrix = fCurrentModule->GetSensitiveVolumeMatrix(voluid); | |
1609 | svMatrix->MasterToLocal(fMeasGlo,fMeasLoc); | |
1610 | TGeoHMatrix hcov; | |
1611 | Double_t hcovel[9]; | |
1612 | hcovel[0]=double(fCluster.GetCov()[0]); | |
1613 | hcovel[1]=double(fCluster.GetCov()[1]); | |
1614 | hcovel[2]=double(fCluster.GetCov()[2]); | |
1615 | hcovel[3]=double(fCluster.GetCov()[1]); | |
1616 | hcovel[4]=double(fCluster.GetCov()[3]); | |
1617 | hcovel[5]=double(fCluster.GetCov()[4]); | |
1618 | hcovel[6]=double(fCluster.GetCov()[2]); | |
1619 | hcovel[7]=double(fCluster.GetCov()[4]); | |
1620 | hcovel[8]=double(fCluster.GetCov()[5]); | |
1621 | hcov.SetRotation(hcovel); | |
1622 | // now rotate in local system | |
1623 | hcov.Multiply(svMatrix); | |
1624 | hcov.MultiplyLeft(&svMatrix->Inverse()); | |
1625 | if (fSigmaLoc[0]<0.0010) fSigmaLoc[0]=0.0010; | |
1626 | if (fSigmaLoc[2]<0.0010) fSigmaLoc[2]=0.0010; | |
1627 | // | |
1628 | } | |
1629 | else { | |
1630 | int offs = 3*clID; | |
1631 | fMeasGlo = fClusGlo.GetArray() + offs; | |
1632 | fMeasLoc = fClusLoc.GetArray() + offs; | |
1633 | fSigmaLoc = fClusSigLoc.GetArray() + offs; | |
1634 | } | |
1635 | // | |
1636 | // set minimum value for SigmaLoc to 10 micron | |
1637 | if (fSigmaLoc[0]<0.0010) fSigmaLoc[0]=0.0010; | |
1638 | if (fSigmaLoc[2]<0.0010) fSigmaLoc[2]=0.0010; | |
1639 | // | |
1640 | AliDebug(2,Form("Local coordinates of measured point : X=%f Y=%f Z=%f \n",fMeasLoc[0] ,fMeasLoc[1] ,fMeasLoc[2] )); | |
1641 | AliDebug(2,Form("Setting StDev from CovMat : fSigmaLocX=%g fSigmaLocY=%g fSigmaLocZ=%g \n",fSigmaLoc[0] ,fSigmaLoc[1] ,fSigmaLoc[2] )); | |
1642 | // | |
1643 | return 0; | |
1644 | } | |
1645 | ||
1646 | //________________________________________________________________________________________________________ | |
1647 | void AliITSAlignMille2::Print(Option_t*) const | |
1648 | { | |
1649 | // print current status | |
1650 | printf("*** AliMillepede for ITS ***\n"); | |
1651 | printf(" Number of defined super modules: %d\n",fNModules); | |
1652 | printf(" Obtained parameters refer to %s Deltas\n",fUseGlobalDelta ? "GLOBAL":"LOCAL"); | |
1653 | // | |
1654 | if (fGeoManager) | |
1655 | printf(" geometry loaded from %s\n",fGeometryPath.Data()); | |
1656 | else | |
1657 | printf(" geometry not loaded\n"); | |
1658 | // | |
1659 | if (fUsePreAlignment) | |
1660 | printf(" using prealignment from %s \n",fPreDeltaPath.Data()); | |
1661 | else | |
1662 | printf(" prealignment not used\n"); | |
1663 | // | |
1664 | // | |
1665 | if (fBOn) | |
1666 | printf(" B Field set to %f T - using helices\n",fBField); | |
1667 | else | |
1668 | printf(" B Field OFF - using straight lines \n"); | |
1669 | // | |
1670 | if (fTPAFitter) | |
1671 | printf(" Using AliITSTPArrayFit class for track fitting\n"); | |
1672 | else | |
1673 | printf(" Using StraightLine/Riemann fitter for track fitting\n"); | |
1674 | // | |
1675 | printf("Using local Y error due to the sensor thickness: %s\n",(fUseLocalYErr && fTPAFitter) ? "ON":"OFF"); | |
1676 | // | |
1677 | if (fRequirePoints) printf(" Required points in tracks:\n"); | |
1678 | for (Int_t i=0; i<6; i++) { | |
1679 | if (fNReqLayUp[i]>0) printf(" Layer %d : %d points with Y>0\n",i+1,fNReqLayUp[i]); | |
1680 | if (fNReqLayDown[i]>0) printf(" Layer %d : %d points with Y<0\n",i+1,fNReqLayDown[i]); | |
1681 | if (fNReqLay[i]>0) printf(" Layer %d : %d points \n",i+1,fNReqLay[i]); | |
1682 | } | |
1683 | for (Int_t i=0; i<3; i++) { | |
1684 | if (fNReqDetUp[i]>0) printf(" Detector %d : %d points with Y>0\n",i+1,fNReqDetUp[i]); | |
1685 | if (fNReqDetDown[i]>0) printf(" Detector %d : %d points with Y<0\n",i+1,fNReqDetDown[i]); | |
1686 | if (fNReqDet[i]>0) printf(" Detector %d : %d points \n",i+1,fNReqDet[i]); | |
1687 | } | |
1688 | // | |
1689 | printf("\n Millepede configuration parameters:\n"); | |
1690 | printf(" init value for chi2 cut : %.4f\n",fStartFac); | |
1691 | printf(" first iteration cut value : %.4f\n",fResCutInitial); | |
1692 | printf(" other iterations cut value : %.4f\n",fResCut); | |
1693 | printf(" number of stddev for chi2 cut : %d\n",fNStdDev); | |
1694 | printf(" def.scaling for local sigmas : %.4f %.4f %.4f\n",fSigmaFactor[0],fSigmaFactor[1],fSigmaFactor[2]); | |
1695 | printf(" min.tracks per module : %d\n",fMinPntPerSens); | |
1696 | // | |
1697 | printf("List of defined modules:\n"); | |
1698 | printf(" intidx\tindex\tvoluid\tname\n"); | |
1699 | for (int i=0; i<fNModules; i++) { | |
1700 | AliITSAlignMille2Module* md = GetMilleModule(i); | |
1701 | printf(" %d\t%d\t%d\t%s\n",i,md->GetIndex(),md->GetVolumeID(),md->GetName()); | |
1702 | } | |
1703 | } | |
1704 | ||
1705 | //________________________________________________________________________________________________________ | |
1706 | AliITSAlignMille2Module *AliITSAlignMille2::GetMilleModuleByVID(UShort_t voluid) const | |
1707 | { | |
1708 | // return pointer to a defined supermodule | |
1709 | // return NULL if error | |
1710 | Int_t i=IsVIDDefined(voluid); | |
1711 | if (i<0) return NULL; | |
1712 | return GetMilleModule(i); | |
1713 | } | |
1714 | ||
1715 | //________________________________________________________________________________________________________ | |
1716 | AliITSAlignMille2Module *AliITSAlignMille2::GetMilleModuleBySymName(const Char_t* symname) const | |
1717 | { | |
1718 | // return pointer to a defined supermodule | |
1719 | // return NULL if error | |
1720 | UShort_t vid = AliITSAlignMille2Module::GetVolumeIDFromSymname(symname); | |
1721 | if (vid>0) return GetMilleModuleByVID(vid); | |
1722 | else { // this is not alignable module, need to look within defined supermodules | |
1723 | int i = IsSymDefined(symname); | |
1724 | if (i>=0) return GetMilleModule(i); | |
1725 | } | |
1726 | return 0; | |
1727 | } | |
1728 | ||
1729 | //________________________________________________________________________________________________________ | |
1730 | AliITSAlignMille2Module *AliITSAlignMille2::GetMilleModuleIfContained(const Char_t* symname) const | |
1731 | { | |
1732 | // return pointer to a defined/contained supermodule | |
1733 | // return NULL otherwise | |
1734 | int i = IsSymContained(symname); | |
1735 | return i<0 ? 0 : GetMilleModule(i); | |
1736 | } | |
1737 | ||
1738 | //________________________________________________________________________________________________________ | |
1739 | AliAlignObjParams* AliITSAlignMille2::GetPrealignedObject(const Char_t* symname) const | |
1740 | { | |
1741 | // get delta from prealignment for given volume | |
1742 | if (!fPrealignment) return 0; | |
1743 | for (int ipre=fPrealignment->GetEntriesFast();ipre--;) { // was the corresponding object prealigned? | |
1744 | AliAlignObjParams* preob = (AliAlignObjParams*)fPrealignment->At(ipre); | |
1745 | if (!strcmp(preob->GetSymName(),symname)) return preob; | |
1746 | } | |
1747 | return 0; | |
1748 | } | |
1749 | ||
1750 | //________________________________________________________________________________________________________ | |
1751 | AliAlignObjParams* AliITSAlignMille2::GetConstrRefObject(const Char_t* symname) const | |
1752 | { | |
1753 | // get delta with respect to which the constraint is declared | |
1754 | if (!fConstrRef) return 0; | |
1755 | for (int ipre=fConstrRef->GetEntriesFast();ipre--;) { // was the corresponding object prealigned? | |
1756 | AliAlignObjParams* preob = (AliAlignObjParams*)fConstrRef->At(ipre); | |
1757 | if (!strcmp(preob->GetSymName(),symname)) return preob; | |
1758 | } | |
1759 | return 0; | |
1760 | } | |
1761 | ||
1762 | //________________________________________________________________________________________________________ | |
1763 | Bool_t AliITSAlignMille2::InitRiemanFit() | |
1764 | { | |
1765 | // Initialize Riemann Fitter for current track | |
1766 | // return kFALSE if error | |
1767 | ||
1768 | if (!fBOn) return kFALSE; | |
1769 | ||
1770 | Int_t npts=0; | |
1771 | AliTrackPoint ap; | |
1772 | npts = fTrack->GetNPoints(); | |
1773 | AliDebug(3,Form("Fitting track with %d points",npts)); | |
1774 | if (!fRieman) fRieman = new AliTrackFitterRieman(); | |
1775 | fRieman->Reset(); | |
1776 | fRieman->SetTrackPointArray(fTrack); | |
1777 | ||
1778 | TArrayI ai(npts); | |
1779 | for (Int_t ipt=0; ipt<npts; ipt++) ai[ipt]=fTrack->GetVolumeID()[ipt]; | |
1780 | ||
1781 | // fit track with 5 params in his own tracking-rotated reference system | |
1782 | // xc = -p[1]/p[0]; | |
1783 | // yc = 1/p[0]; | |
1784 | // R = sqrt( x0*x0 + y0*y0 - y0*p[2]); | |
1785 | if (!fRieman->Fit(&ai,NULL,(AliGeomManager::ELayerID)1,(AliGeomManager::ELayerID)6)) { | |
1786 | return kFALSE; | |
1787 | } | |
1788 | ||
1789 | for (int i=0; i<5; i++) | |
1790 | fLocalInitParam[i] = fRieman->GetParam()[i]; | |
1791 | ||
1792 | return kTRUE; | |
1793 | } | |
1794 | ||
1795 | //________________________________________________________________________________________________________ | |
1796 | void trackFit2D(Int_t &, Double_t *, double &chi2, double *par, int flag) | |
1797 | { | |
1798 | // local function for minuit | |
1799 | const double kTiny = 1.e-14; | |
1800 | chi2 = 0; | |
1801 | static AliTrackPoint pnt; | |
1802 | static Bool_t fullErr2D; | |
1803 | // | |
1804 | if (flag==1) fullErr2D = kFALSE;//kTRUE; | |
1805 | fullErr2D = kTRUE; | |
1806 | enum {kAX,kAZ,kBX,kBZ}; | |
1807 | enum {kXX=0,kXY=1,kXZ=2,kYX=kXY,kYY=3,kYZ=4,kZX=kXZ,kZY=kYZ,kZZ=5}; | |
1808 | // | |
1809 | AliITSAlignMille2* alig = AliITSAlignMille2::GetInstance(); | |
1810 | AliTrackPointArray* track = alig->GetCurrentTrack(); | |
1811 | // | |
1812 | int npts = track->GetNPoints(); | |
1813 | for (int ip=0;ip<npts;ip++) { | |
1814 | track->GetPoint(pnt,ip); | |
1815 | const float *cov = pnt.GetCov(); | |
1816 | double y = pnt.GetY(); | |
1817 | double dx = pnt.GetX() - (par[kAX]+y*par[kBX]); | |
1818 | double dz = pnt.GetZ() - (par[kAZ]+y*par[kBZ]); | |
1819 | double xxe = cov[kXX]; | |
1820 | double zze = cov[kZZ]; | |
1821 | double xze = cov[kXZ]; | |
1822 | // | |
1823 | if (fullErr2D) { | |
1824 | xxe += par[kBX]*par[kBX]*cov[kYY]-2.*par[kBX]*cov[kXY]; | |
1825 | zze += par[kBZ]*par[kBZ]*cov[kYY]-2.*par[kBZ]*cov[kZY]; | |
1826 | xze += par[kBX]*par[kBZ]*cov[kYY]-cov[kYZ]*par[kBZ]-cov[kXY]*par[kBX]; | |
1827 | } | |
1828 | // | |
1829 | double det = xxe*zze - xze*xze; | |
1830 | if (det<kTiny) { | |
1831 | printf("Negative diag. error (det=%+e) |sxx:%+e szz:%+e sxz:%+e| bx:%+e bz:%+e|\n" | |
1832 | "Discarding correlation term\n",det,xxe,zze,xze,par[kBX],par[kBZ]); | |
1833 | xxe = cov[kXX]; | |
1834 | zze = cov[kZZ]; | |
1835 | xze = cov[kXZ]; | |
1836 | fullErr2D = kFALSE; | |
1837 | } | |
1838 | double xxeI = zze/det; | |
1839 | double zzeI = xxe/det; | |
1840 | double xzeI =-xze/det; | |
1841 | // | |
1842 | chi2 += dx*dx*xxeI + dz*dz*zzeI + 2.*dx*dz*xzeI; | |
1843 | // | |
1844 | // printf("%d | %+e %+e %+e %+e %+e -> %+e\n",ip,dx,dz,xxeI,zzeI,xzeI, chi2); | |
1845 | } | |
1846 | // | |
1847 | } | |
1848 | ||
1849 | //________________________________________________________________________________________________________ | |
1850 | void AliITSAlignMille2::InitTrackParams(int meth) | |
1851 | { | |
1852 | /// initialize local parameters with different methods | |
1853 | /// for current track (fTrack) | |
1854 | Int_t npts=0; | |
1855 | AliTrackPoint ap; | |
1856 | double sX=0,sXY=0,sZ=0,sZY=0,sY=0,sYY=0,det=0; | |
1857 | // simple linear interpolation | |
1858 | // get local starting parameters (to be substituted by ESD track parms) | |
1859 | // local parms (fLocalInitParam[]) are: | |
1860 | // [0] = global x coord. of straight line intersection at y=0 plane | |
1861 | // [1] = global z coord. of straight line intersection at y=0 plane | |
1862 | // [2] = px/py | |
1863 | // [3] = pz/py | |
1864 | // test #1: linear fit in x(y) and z(y) | |
1865 | npts = fTrack->GetNPoints(); | |
1866 | AliDebug(3,Form("*** initializing track with %d points ***",npts)); | |
1867 | for (int i=npts;i--;) { | |
1868 | sY += fTrack->GetY()[i]; | |
1869 | sYY += fTrack->GetY()[i]*fTrack->GetY()[i]; | |
1870 | sX += fTrack->GetX()[i]; | |
1871 | sXY += fTrack->GetX()[i]*fTrack->GetY()[i]; | |
1872 | sZ += fTrack->GetZ()[i]; | |
1873 | sZY += fTrack->GetZ()[i]*fTrack->GetY()[i]; | |
1874 | } | |
1875 | det = sYY*npts-sY*sY; | |
1876 | if (IsZero(det)) det = 1E-16; | |
1877 | fLocalInitParam[0] = (sX*sYY-sY*sXY)/det; | |
1878 | fLocalInitParam[2] = (sXY*npts-sY*sX)/det; | |
1879 | // | |
1880 | fLocalInitParam[1] = (sZ*sYY-sY*sZY)/det; | |
1881 | fLocalInitParam[3] = (sZY*npts-sY*sZ)/det; | |
1882 | // pepo200709 | |
1883 | fLocalInitParam[4] = 0.0; | |
1884 | // endpepo200709 | |
1885 | ||
1886 | AliDebug(2,Form("X = p0gx + ugx*Y : p0gx = %f ugx = %f\n",fLocalInitParam[0],fLocalInitParam[2])); | |
1887 | // | |
1888 | if (meth==1) return; | |
1889 | // | |
1890 | // perform full fit accounting for cov.matrix | |
1891 | static TVirtualFitter *minuit = 0; | |
1892 | static Double_t step[5] = {1E-3,1E-3,1E-4,1E-4,1E-5}; | |
1893 | static Double_t arglist[10]; | |
1894 | // | |
1895 | if (!minuit) { | |
1896 | minuit = TVirtualFitter::Fitter(0,4); | |
1897 | minuit->SetFCN(trackFit2D); | |
1898 | arglist[0] = 1; | |
1899 | minuit->ExecuteCommand("SET ERR",arglist, 1); | |
1900 | // | |
1901 | arglist[0] = -1; | |
1902 | minuit->ExecuteCommand("SET PRINT",arglist,1); | |
1903 | // | |
1904 | } | |
1905 | // | |
1906 | minuit->SetParameter(0, "ax", fLocalInitParam[0], step[0], 0,0); | |
1907 | minuit->SetParameter(1, "az", fLocalInitParam[1], step[1], 0,0); | |
1908 | minuit->SetParameter(2, "bx", fLocalInitParam[2], step[2], 0,0); | |
1909 | minuit->SetParameter(3, "bz", fLocalInitParam[3], step[3], 0,0); | |
1910 | // | |
1911 | arglist[0] = 1000; // number of function calls | |
1912 | arglist[1] = 0.001; // tolerance | |
1913 | minuit->ExecuteCommand("MIGRAD",arglist,2); | |
1914 | // | |
1915 | for (int i=0;i<4;i++) fLocalInitParam[i] = minuit->GetParameter(i); | |
1916 | for (int i=0;i<4;i++) for (int j=0;j<4;j++) fLocalInitParEr[i][j] = minuit->GetCovarianceMatrixElement(i,j); | |
1917 | /* | |
1918 | double amin,edm,errdef; | |
1919 | int nvpar,nparx; | |
1920 | minuit->GetStats(amin,edm,errdef,nvpar,nparx); | |
1921 | amin /= (2*npts - 4); | |
1922 | printf("Mchi2: %+e\n",amin); | |
1923 | */ | |
1924 | // | |
1925 | } | |
1926 | ||
1927 | //________________________________________________________________________________________________________ | |
1928 | Int_t AliITSAlignMille2::IsSymDefined(const Char_t* symname) const | |
1929 | { | |
1930 | // checks if supermodule with this symname is defined and return the internal index | |
1931 | // return -1 if not. | |
1932 | for (int k=fNModules;k--;) if (!strcmp(symname,GetMilleModule(k)->GetName())) return k; | |
1933 | return -1; | |
1934 | } | |
1935 | ||
1936 | //________________________________________________________________________________________________________ | |
1937 | Int_t AliITSAlignMille2::IsSymContained(const Char_t* symname) const | |
1938 | { | |
1939 | // checks if module with this symname is defined and return the internal index | |
1940 | // return -1 if not. | |
1941 | UShort_t vid = AliITSAlignMille2Module::GetVolumeIDFromSymname(symname); | |
1942 | if (vid>0) return IsVIDContained(vid); | |
1943 | // only sensors have real vid, but maybe we have a supermodule with fake vid? | |
1944 | // IMPORTANT: always start from the end to start from the sensors | |
1945 | return IsSymDefined(symname); | |
1946 | } | |
1947 | ||
1948 | //________________________________________________________________________________________________________ | |
1949 | Int_t AliITSAlignMille2::IsVIDDefined(UShort_t voluid) const | |
1950 | { | |
1951 | // checks if supermodule 'voluid' is defined and return the internal index | |
1952 | // return -1 if not. | |
1953 | for (int k=fNModules;k--;) if (voluid==GetMilleModule(k)->GetVolumeID()) return k; | |
1954 | return -1; | |
1955 | } | |
1956 | ||
1957 | //________________________________________________________________________________________________________ | |
1958 | Int_t AliITSAlignMille2::IsVIDContained(UShort_t voluid) const | |
1959 | { | |
1960 | // checks if the sensitive module 'voluid' is contained inside a supermodule | |
1961 | // and return the internal index of the last identified supermodule | |
1962 | // return -1 if error | |
1963 | // IMPORTANT: always start from the end to start from the sensors | |
1964 | if (AliITSAlignMille2Module::GetIndexFromVolumeID(voluid)<0) return -1; | |
1965 | for (int k=fNModules;k--;) if (GetMilleModule(k)->IsIn(voluid)) return k; | |
1966 | return -1; | |
1967 | } | |
1968 | ||
1969 | //________________________________________________________________________________________________________ | |
1970 | Int_t AliITSAlignMille2::CheckCurrentTrack() | |
1971 | { | |
1972 | /// checks if AliTrackPoints belongs to defined modules | |
1973 | /// return number of good poins | |
1974 | /// return 0 if not enough points | |
1975 | ||
1976 | Int_t npts = fTrack->GetNPoints(); | |
1977 | Int_t ngoodpts=0; | |
1978 | // debug points | |
1979 | for (int j=0; j<npts; j++) if (IsVIDContained(fTrack->GetVolumeID()[j])>=0) ngoodpts++; | |
1980 | // | |
1981 | if (ngoodpts<fMinNPtsPerTrack) return 0; | |
1982 | ||
1983 | return ngoodpts; | |
1984 | } | |
1985 | ||
1986 | //________________________________________________________________________________________________________ | |
1987 | Int_t AliITSAlignMille2::ProcessTrack(const AliTrackPointArray *track) | |
1988 | { | |
1989 | /// Process track; Loop over hits and set local equations | |
1990 | /// here 'track' is a AliTrackPointArray | |
1991 | /// return 0 if success; | |
1992 | ||
1993 | if (!fIsMilleInit) Init(); | |
1994 | // | |
1995 | Int_t npts = track->GetNPoints(); | |
1996 | AliDebug(2,Form("*** Input track with %d points ***",npts)); | |
1997 | ||
1998 | // preprocessing of the input track: keep only points in defined volumes, | |
1999 | // move points if prealignment is set, sort by Yglo if required | |
2000 | ||
2001 | fTrack=PrepareTrack(track); | |
2002 | if (!fTrack) return -1; | |
2003 | ||
2004 | npts = fTrack->GetNPoints(); | |
2005 | if (npts>kMaxPoints) { | |
2006 | AliError(Form("Compiled with kMaxPoints=%d, current track has %d points",kMaxPoints,npts)); | |
2007 | } | |
2008 | AliDebug(2,Form("*** Processing prepared track with %d points ***",npts)); | |
2009 | // | |
2010 | if (fTPAFitter) { // use dediacted fitter | |
2011 | // | |
2012 | fTPAFitter->AttachPoints(fTrack); | |
2013 | if (fBOn) fTPAFitter->SetBz(fBField); | |
2014 | if (fInitTrackParamsMeth==1) fTPAFitter->SetIgnoreCov(); | |
2015 | double chi2 = fTPAFitter->Fit(fConstrCharge,fConstrPT,fConstrPTErr); | |
2016 | // | |
2017 | // suppress eventual constraints to not affect fit of the next track | |
2018 | fConstrCharge = 0; | |
2019 | fConstrPT = fConstrPTErr = -1; | |
2020 | // | |
2021 | if ( chi2<0 || (fTPAFitter->GetNIterations()>=fTPAFitter->GetMaxIterations()) ) { | |
2022 | AliInfo("Track fit failed! skipping this track..."); | |
2023 | fTPAFitter->Reset(); | |
2024 | fTrack = NULL; | |
2025 | return -5; | |
2026 | } | |
2027 | /* | |
2028 | double *pr = fTPAFitter->GetParams(); | |
2029 | printf("FtPar: %+.5e %+.5e %+.5e %+.5e | chi2:%.3e\n",pr[2],pr[0],pr[3],pr[1],chi2); // RRR | |
2030 | */ | |
2031 | } | |
2032 | else { | |
2033 | // | |
2034 | if (!fBOn) { // straight lines | |
2035 | // set local starting parameters (to be substituted by ESD track parms) | |
2036 | // local parms (fLocalInitParam[]) are: | |
2037 | // [0] = global x coord. of straight line intersection at y=0 plane | |
2038 | // [1] = global z coord. of straight line intersection at y=0 plane | |
2039 | // [2] = px/py | |
2040 | // [3] = pz/py | |
2041 | InitTrackParams(fInitTrackParamsMeth); | |
2042 | /* | |
2043 | double *pr = fLocalInitParam; | |
2044 | printf("FtPar: %+.5e %+.5e %+.5e %+.5e |\n",pr[0],pr[1],pr[2],pr[3]); // RRR | |
2045 | */ | |
2046 | } | |
2047 | else { | |
2048 | // local parms (fLocalInitParam[]) are the Riemann Fitter params | |
2049 | if (!InitRiemanFit()) { | |
2050 | AliInfo("Riemann fit failed! skipping this track..."); | |
2051 | fTrack=NULL; | |
2052 | return -5; | |
2053 | } | |
2054 | } | |
2055 | } | |
2056 | // | |
2057 | // printf("Params: "); for (int i=0;i<fNLocal;i++) printf("%+.2e ",fLocalInitParam[i]); printf("\n");//RRR | |
2058 | Int_t nloceq=0; | |
2059 | Int_t ngloeq=0; | |
2060 | static Mille2Data md[kMaxPoints]; | |
2061 | // | |
2062 | for (Int_t ipt=0; ipt<npts; ipt++) { | |
2063 | fTrack->GetPoint(fCluster,ipt); | |
2064 | fCluster.SetUniqueID(ipt+1); | |
2065 | AliDebug(2,Form("\n--- processing point %d --- \n",ipt)); | |
2066 | ||
2067 | // set geometry parameters for the the current module | |
2068 | if (InitModuleParams()) continue; | |
2069 | AliDebug(2,Form(" VolID=%d Index=%d InternalIdx=%d symname=%s\n", | |
2070 | track->GetVolumeID()[ipt], fCurrentModule->GetIndex(), | |
2071 | fCurrentModule->GetUniqueID(), AliGeomManager::SymName(track->GetVolumeID()[ipt]) )); | |
2072 | AliDebug(2,Form(" Preprocessed Point = ( %f , %f , %f ) \n",fCluster.GetX(),fCluster.GetY(),fCluster.GetZ())); | |
2073 | int res = fTPAFitter ? AddLocalEquationTPA(md[nloceq]) : AddLocalEquation(md[nloceq]); | |
2074 | if (res<0) {fTotBadLocEqPoints++; nloceq = 0; break;} | |
2075 | else if (res>0) {nloceq++; ngloeq++;} | |
2076 | } // end loop over points | |
2077 | // | |
2078 | fTrack=NULL; | |
2079 | // not enough good points? | |
2080 | if (nloceq<fMinNPtsPerTrack || ngloeq<1) return -1; | |
2081 | // | |
2082 | // finally send local equations to millepede | |
2083 | SetLocalEquations(md,nloceq); | |
2084 | fMillepede->SaveRecordData(); // RRR | |
2085 | // | |
2086 | return 0; | |
2087 | } | |
2088 | ||
2089 | //________________________________________________________________________________________________________ | |
2090 | Int_t AliITSAlignMille2::CalcIntersectionPoint(Double_t *lpar, Double_t *gpar) | |
2091 | { | |
2092 | /// calculate track intersection point in local coordinates | |
2093 | /// according with a given set of parameters (local(4) and global(6)) | |
2094 | /// and fill fPintLoc/Glo | |
2095 | /// local are: pgx0, pgz0, ugx, ugz OR riemann fitters pars | |
2096 | /// global are: tx,ty,tz,psi,theta,phi (Raff's delta angles in deg.) | |
2097 | /// return 0 if success | |
2098 | ||
2099 | AliDebug(3,Form("lpar = %g %g %g %g %g\ngpar= %g %g %g %g %g %g\n",lpar[0],lpar[1],lpar[2],lpar[3],lpar[4],gpar[0],gpar[1],gpar[2],gpar[3],gpar[4],gpar[5])); | |
2100 | AliDebug(3,Form("deltalpar = %g %g %g %g %g\n",lpar[0]-fLocalInitParam[0],lpar[1]-fLocalInitParam[1],lpar[2]-fLocalInitParam[2],lpar[3]-fLocalInitParam[3],lpar[4]-fLocalInitParam[4])); | |
2101 | ||
2102 | ||
2103 | // prepare the TGeoHMatrix | |
2104 | TGeoHMatrix *tempHMat = fCurrentModule->GetSensitiveVolumeModifiedMatrix(fCluster.GetVolumeID(),gpar, | |
2105 | !fUseGlobalDelta); | |
2106 | if (!tempHMat) return -1; | |
2107 | ||
2108 | Double_t v0g[3]; // vector with straight line direction in global coord. | |
2109 | Double_t p0g[3]; // point of the straight line (glo) | |
2110 | ||
2111 | if (fBOn) { // B FIELD! | |
2112 | AliTrackPoint prf; | |
2113 | for (int ip=0; ip<5; ip++) | |
2114 | fRieman->SetParam(ip,lpar[ip]); | |
2115 | ||
2116 | if (!fRieman->GetPCA(fCluster,prf)) { | |
2117 | AliInfo(Form("error in GetPCA for point %d",fCluster.GetVolumeID())); | |
2118 | return -3; | |
2119 | } | |
2120 | // now determine straight line passing tangent to fit curve at prf | |
2121 | // ugx = dX/dY_glo = DeltaX/DeltaY_glo | |
2122 | // mo' P1=(X,Y,Z)_glo_prf | |
2123 | // => (x,y,Z)_trk_prf ruotando di alpha... | |
2124 | Double_t alpha=fRieman->GetAlpha(); | |
2125 | Double_t x1g = prf.GetX(); | |
2126 | Double_t y1g = prf.GetY(); | |
2127 | Double_t z1g = prf.GetZ(); | |
2128 | Double_t x1t = x1g*TMath::Cos(alpha) + y1g*TMath::Sin(alpha); | |
2129 | Double_t y1t = -x1g*TMath::Sin(alpha) + y1g*TMath::Cos(alpha); | |
2130 | Double_t z1t = z1g; | |
2131 | ||
2132 | Double_t x2t = x1t+1.0; | |
2133 | Double_t y2t = y1t+fRieman->GetDYat(x1t); | |
2134 | Double_t z2t = z1t+fRieman->GetDZat(x1t); | |
2135 | Double_t x2g = x2t*TMath::Cos(alpha) - y2t*TMath::Sin(alpha); | |
2136 | Double_t y2g = x2t*TMath::Sin(alpha) + y2t*TMath::Cos(alpha); | |
2137 | Double_t z2g = z2t; | |
2138 | ||
2139 | AliDebug(3,Form("Riemann frame: fAlpha = %f = %f ",alpha,alpha*180./TMath::Pi())); | |
2140 | AliDebug(3,Form(" prf_glo=( %f , %f , %f ) prf_rf=( %f , %f , %f )\n", x1g,y1g,z1g, x1t,y1t,z1t)); | |
2141 | AliDebug(3,Form(" mov_glo=( %f , %f , %f ) rf=( %f , %f , %f )\n",x2g,y2g,z2g, x2t,y2t,z2t)); | |
2142 | ||
2143 | if (TMath::Abs(y2g-y1g)<1e-15) { | |
2144 | AliInfo("DeltaY=0! Cannot proceed..."); | |
2145 | return -1; | |
2146 | } | |
2147 | // ugx,1,ugz | |
2148 | v0g[0] = (x2g-x1g)/(y2g-y1g); | |
2149 | v0g[1]=1.0; | |
2150 | v0g[2] = (z2g-z1g)/(y2g-y1g); | |
2151 | ||
2152 | // point: just keep prf | |
2153 | p0g[0]=x1g; | |
2154 | p0g[1]=y1g; | |
2155 | p0g[2]=z1g; | |
2156 | } | |
2157 | else { // staight line | |
2158 | // vector of initial straight line direction in glob. coord | |
2159 | v0g[0]=lpar[2]; | |
2160 | v0g[1]=1.0; | |
2161 | v0g[2]=lpar[3]; | |
2162 | ||
2163 | // intercept in yg=0 plane in glob coord | |
2164 | p0g[0]=lpar[0]; | |
2165 | p0g[1]=0.0; | |
2166 | p0g[2]=lpar[1]; | |
2167 | } | |
2168 | AliDebug(3,Form("Line vector: ( %f , %f , %f ) point:( %f , %f , %f )\n",v0g[0],v0g[1],v0g[2],p0g[0],p0g[1],p0g[2])); | |
2169 | ||
2170 | // same in local coord. | |
2171 | Double_t p0l[3],v0l[3]; | |
2172 | tempHMat->MasterToLocalVect(v0g,v0l); | |
2173 | tempHMat->MasterToLocal(p0g,p0l); | |
2174 | ||
2175 | if (TMath::Abs(v0l[1])<1e-15) { | |
2176 | AliInfo("Track Y direction in local frame is zero! Cannot proceed..."); | |
2177 | return -1; | |
2178 | } | |
2179 | ||
2180 | // local intersection point | |
2181 | fPintLoc[0] = p0l[0] - (v0l[0]/v0l[1])*p0l[1]; | |
2182 | fPintLoc[1] = 0; | |
2183 | fPintLoc[2] = p0l[2] - (v0l[2]/v0l[1])*p0l[1]; | |
2184 | ||
2185 | // global intersection point | |
2186 | tempHMat->LocalToMaster(fPintLoc,fPintGlo); | |
2187 | AliDebug(3,Form("Intesect. point: L( %f , %f , %f ) G( %f , %f , %f )\n",fPintLoc[0],fPintLoc[1],fPintLoc[2],fPintGlo[0],fPintGlo[1],fPintGlo[2])); | |
2188 | ||
2189 | return 0; | |
2190 | } | |
2191 | ||
2192 | //________________________________________________________________________________________________________ | |
2193 | Int_t AliITSAlignMille2::CalcDerivatives(Int_t paridx, Bool_t islpar) | |
2194 | { | |
2195 | /// calculate numerically (ROOT's style) the derivatives for | |
2196 | /// local X intersection and local Z intersection | |
2197 | /// parlist: local (islpar=kTRUE) pgx0, pgz0, ugx0, ugz0 OR riemann's params | |
2198 | /// global (islpar=kFALSE) tx, ty, tz, psi, theta, phi (Raf's angles in deg) | |
2199 | /// return 0 if success | |
2200 | ||
2201 | // copy initial parameters | |
2202 | Double_t lpar[kNLocal]; | |
2203 | Double_t gpar[kNParCh]; | |
2204 | Double_t *derivative; | |
2205 | for (Int_t i=0; i<kNLocal; i++) lpar[i]=fLocalInitParam[i]; | |
2206 | for (Int_t i=0; i<kNParCh; i++) gpar[i]=fModuleInitParam[i]; | |
2207 | ||
2208 | // trial with fixed dpar... | |
2209 | Double_t dpar = 0.; | |
2210 | ||
2211 | if (islpar) { // track parameters | |
2212 | //dpar=fLocalInitParam[paridx]*0.001; | |
2213 | // set minimum dpar | |
2214 | derivative = fDerivativeLoc[paridx]; | |
2215 | if (!fBOn) { | |
2216 | if (paridx<3) dpar=1.0e-4; // translations | |
2217 | else dpar=1.0e-6; // direction | |
2218 | } | |
2219 | else { // B Field | |
2220 | // pepo: proviamo con 1/1000, poi evenctually 1/100... | |
2221 | Double_t dfrac=0.01; | |
2222 | switch(paridx) { | |
2223 | case 0: | |
2224 | // RMS cosmics: 1e-4 | |
2225 | dpar = TMath::Max(1.0e-6,TMath::Abs(fLocalInitParam[paridx]*dfrac)); | |
2226 | break; | |
2227 | case 1: | |
2228 | // RMS cosmics: 0.2 | |
2229 | dpar = TMath::Max(0.002,TMath::Abs(fLocalInitParam[paridx]*dfrac)); | |
2230 | break; | |
2231 | case 2: | |
2232 | // RMS cosmics: 9 | |
2233 | dpar = TMath::Max(0.09,TMath::Abs(fLocalInitParam[paridx]*dfrac)); | |
2234 | break; | |
2235 | case 3: | |
2236 | // RMS cosmics: 7 | |
2237 | dpar = TMath::Max(0.07,TMath::Abs(fLocalInitParam[paridx]*dfrac)); | |
2238 | break; | |
2239 | case 4: | |
2240 | // RMS cosmics: 0.3 | |
2241 | dpar = TMath::Max(0.003,TMath::Abs(fLocalInitParam[paridx]*dfrac)); | |
2242 | break; | |
2243 | } | |
2244 | } | |
2245 | } | |
2246 | else { // alignment global parameters | |
2247 | derivative = fDerivativeGlo[paridx]; | |
2248 | //dpar=fModuleInitParam[paridx]*0.001; | |
2249 | if (paridx<3) dpar=1.0e-4; // translations | |
2250 | else dpar=1.0e-2; // angles | |
2251 | } | |
2252 | ||
2253 | AliDebug(3,Form("+++ using dpar=%g",dpar)); | |
2254 | ||
2255 | // calculate derivative ROOT's like: | |
2256 | // using f(x+h),f(x-h),f(x+h/2),f(x-h2)... | |
2257 | Double_t pintl1[3]; // f(x-h) | |
2258 | Double_t pintl2[3]; // f(x-h/2) | |
2259 | Double_t pintl3[3]; // f(x+h/2) | |
2260 | Double_t pintl4[3]; // f(x+h) | |
2261 | ||
2262 | // first values | |
2263 | if (islpar) lpar[paridx] -= dpar; | |
2264 | else gpar[paridx] -= dpar; | |
2265 | if (CalcIntersectionPoint(lpar, gpar)) return -2; | |
2266 | for (Int_t i=0; i<3; i++) pintl1[i]=fPintLoc[i]; | |
2267 | ||
2268 | // second values | |
2269 | if (islpar) lpar[paridx] += dpar/2; | |
2270 | else gpar[paridx] += dpar/2; | |
2271 | if (CalcIntersectionPoint(lpar, gpar)) return -2; | |
2272 | for (Int_t i=0; i<3; i++) pintl2[i]=fPintLoc[i]; | |
2273 | ||
2274 | // third values | |
2275 | if (islpar) lpar[paridx] += dpar; | |
2276 | else gpar[paridx] += dpar; | |
2277 | if (CalcIntersectionPoint(lpar, gpar)) return -2; | |
2278 | for (Int_t i=0; i<3; i++) pintl3[i]=fPintLoc[i]; | |
2279 | ||
2280 | // fourth values | |
2281 | if (islpar) lpar[paridx] += dpar/2; | |
2282 | else gpar[paridx] += dpar/2; | |
2283 | if (CalcIntersectionPoint(lpar, gpar)) return -2; | |
2284 | for (Int_t i=0; i<3; i++) pintl4[i]=fPintLoc[i]; | |
2285 | ||
2286 | Double_t h2 = 1./(2.*dpar); | |
2287 | Double_t d0 = pintl4[0]-pintl1[0]; | |
2288 | Double_t d2 = 2.*(pintl3[0]-pintl2[0]); | |
2289 | derivative[0] = h2*(4*d2 - d0)/3.; | |
2290 | if (TMath::Abs(derivative[0]) < 1.0e-9) derivative[0] = 0.0; | |
2291 | ||
2292 | d0 = pintl4[2]-pintl1[2]; | |
2293 | d2 = 2.*(pintl3[2]-pintl2[2]); | |
2294 | derivative[2] = h2*(4*d2 - d0)/3.; | |
2295 | if (TMath::Abs(derivative[2]) < 1.0e-9) derivative[2]=0.0; | |
2296 | ||
2297 | AliDebug(3,Form("\n+++ derivatives +++ \n")); | |
2298 | AliDebug(3,Form("+++ dXLoc/dpar = %g +++\n",derivative[0])); | |
2299 | AliDebug(3,Form("+++ dZLoc/dpar = %g +++\n\n",derivative[2])); | |
2300 | ||
2301 | return 0; | |
2302 | } | |
2303 | ||
2304 | //________________________________________________________________________________________________________ | |
2305 | Int_t AliITSAlignMille2::AddLocalEquation(Mille2Data &m) | |
2306 | { | |
2307 | /// Define local equation for current cluster in X and Z coor. | |
2308 | /// and store them to memory | |
2309 | /// return -1 in case of failure to build some equation | |
2310 | /// 0 if no free global parameters were found but local eq is built | |
2311 | /// 1 if both local and global eqs are built | |
2312 | // | |
2313 | // store first intersection point | |
2314 | if (CalcIntersectionPoint(fLocalInitParam, fModuleInitParam)) return -1; | |
2315 | for (Int_t i=0; i<3; i++) fPintLoc0[i]=fPintLoc[i]; | |
2316 | ||
2317 | AliDebug(2,Form("Intersect. point: L( %f , %f , %f )",fPintLoc[0],fPintLoc[1],fPintLoc[2])); | |
2318 | ||
2319 | // calculate local derivatives numerically | |
2320 | Bool_t zeroX = kTRUE; | |
2321 | Bool_t zeroZ = kTRUE; | |
2322 | // | |
2323 | for (Int_t i=0; i<fNLocal; i++) { | |
2324 | if (CalcDerivatives(i,kTRUE)) return -1; | |
2325 | m.fDerLoc[i][kX] = fDerivativeLoc[i][0]; | |
2326 | m.fDerLoc[i][kZ] = fDerivativeLoc[i][2]; | |
2327 | if (zeroX) zeroX = IsZero(fDerivativeLoc[i][0]); | |
2328 | if (zeroZ) zeroZ = IsZero(fDerivativeLoc[i][2]); | |
2329 | } | |
2330 | // for (Int_t i=0; i<fNLocal; i++) AliDebug(2,Form("Local parameter %d - dXdpar = %g - dZdpar = %g\n",i,dXdL[i],dZdL[i])); | |
2331 | // | |
2332 | if (zeroX) {AliInfo("Skipping: zero local X derivatives!"); return -1;} | |
2333 | if (zeroZ) {AliInfo("Skipping: zero local Z derivatives!"); return -1;} | |
2334 | // | |
2335 | int ifill = 0; | |
2336 | // | |
2337 | AliITSAlignMille2Module* endModule = fCurrentModule; | |
2338 | // | |
2339 | zeroX = zeroZ = kTRUE; | |
2340 | Bool_t dfDone[kNParCh]; | |
2341 | for (int i=kNParCh;i--;) dfDone[i] = kFALSE; | |
2342 | m.fNModFilled = 0; | |
2343 | // | |
2344 | // special block for SDD derivatives | |
2345 | Double_t jacobian[kNParChGeom]; | |
2346 | Int_t nmodTested = 0; | |
2347 | // | |
2348 | do { | |
2349 | if (fCurrentModule->GetNParFree()==0) continue; | |
2350 | nmodTested++; | |
2351 | for (Int_t i=0; i<kNParChGeom; i++) { // common for all sensors: derivatives over geom params | |
2352 | // | |
2353 | if (!fUseGlobalDelta) dfDone[i] = kFALSE; // for global deltas the derivatives at diff. levels are different | |
2354 | if (fCurrentModule->GetParOffset(i)<0) continue; // this parameter is not explicitly fitted | |
2355 | if (!dfDone[i]) { | |
2356 | if (CalcDerivatives(i,kFALSE)) return -1; | |
2357 | else { | |
2358 | dfDone[i] = kTRUE; | |
2359 | if (zeroX) zeroX = IsZero(fDerivativeGlo[i][0]); | |
2360 | if (zeroZ) zeroZ = IsZero(fDerivativeGlo[i][2]); | |
2361 | } | |
2362 | } | |
2363 | // | |
2364 | m.fDerGlo[ifill][kX] = fDerivativeGlo[i][0]; | |
2365 | m.fDerGlo[ifill][kZ] = fDerivativeGlo[i][2]; | |
2366 | m.fParMilleID[ifill++] = fCurrentModule->GetParOffset(i); | |
2367 | } | |
2368 | // | |
2369 | // specific for special sensors | |
2370 | if ( fCurrentModule->IsSDD() && | |
2371 | (fCurrentModule->GetParOffset(AliITSAlignMille2Module::kDOFT0)>=0 || | |
2372 | fCurrentModule->GetParOffset(AliITSAlignMille2Module::kDOFDV)>=0) ) { | |
2373 | // | |
2374 | // assume for sensor local xloc = xloc0 + V0*dT0+dV*(T-T0) | |
2375 | // where V0 and T are the nominal drift velocity, time and time0 | |
2376 | // and the dT0 and dV are the corrections: | |
2377 | // dX/dT0 = dX/dxloc * dxloc/dT0 = dX/dxloc * V0 | |
2378 | // dX/dV = dX/dxloc * dxloc/dV = dX/dxloc * (T-T0) | |
2379 | // IMPORTANT: the geom derivatives are over the SENSOR LOCAL parameters | |
2380 | // | |
2381 | if (!dfDone[AliITSAlignMille2Module::kDOFT0] || !dfDone[AliITSAlignMille2Module::kDOFDV]) { | |
2382 | // | |
2383 | double dXdxlocsens=0., dZdxlocsens=0.; | |
2384 | // | |
2385 | // if the current module is the sensor itself and we work with local params, then | |
2386 | // we can directly take dX/dxloc_sens dZ/dxloc_sens | |
2387 | if (!fUseGlobalDelta && fCurrentModule->GetVolumeID()==fCluster.GetVolumeID()) { | |
2388 | if (!dfDone[AliITSAlignMille2Module::kDOFTX]) { | |
2389 | CalcDerivatives(AliITSAlignMille2Module::kDOFTX,kFALSE); | |
2390 | dfDone[AliITSAlignMille2Module::kDOFTX] = kTRUE; | |
2391 | } | |
2392 | dXdxlocsens = fDerivativeGlo[AliITSAlignMille2Module::kDOFTX][0]; | |
2393 | dZdxlocsens = fDerivativeGlo[AliITSAlignMille2Module::kDOFTX][2]; | |
2394 | } | |
2395 | // | |
2396 | else { // need to perform some transformations | |
2397 | // fetch the jacobian of the transformation from the sensors local frame to the frame | |
2398 | // where the parameters are defined: | |
2399 | // Global: dX/dxloc_sens = dX/dxgl*dxgl/dxloc_sens + ...dX/dphigl*dphigl/dxloc_sens | |
2400 | if (fUseGlobalDelta) fCurrentModule->CalcDerivGloLoc(fCluster.GetVolumeID(), | |
2401 | AliITSAlignMille2Module::kDOFTX, jacobian); | |
2402 | // Local: dX/dxloc_sens = dX/dxcurr*dxcurr/dxloc_sens +..+dX/dphicurr * dphicurr/dxloc_sens | |
2403 | else fCurrentModule->CalcDerivCurLoc(fCluster.GetVolumeID(), | |
2404 | AliITSAlignMille2Module::kDOFTX, jacobian); | |
2405 | // | |
2406 | for (int j=0;j<kNParChGeom;j++) { | |
2407 | // need global derivative even if the j-th param is locked | |
2408 | if (!dfDone[j]) {CalcDerivatives(j,kFALSE); dfDone[j] = kTRUE;} | |
2409 | dXdxlocsens += fDerivativeGlo[j][0] * jacobian[j]; | |
2410 | dZdxlocsens += fDerivativeGlo[j][2] * jacobian[j]; | |
2411 | } | |
2412 | } | |
2413 | // | |
2414 | if (zeroX) zeroX = IsZero(dXdxlocsens); | |
2415 | if (zeroZ) zeroZ = IsZero(dZdxlocsens); | |
2416 | // | |
2417 | double vdrift = GetVDriftSDD(); | |
2418 | double tdrift = GetTDriftSDD(); | |
2419 | // | |
2420 | fDerivativeGlo[AliITSAlignMille2Module::kDOFT0][0] = dXdxlocsens*vdrift; | |
2421 | fDerivativeGlo[AliITSAlignMille2Module::kDOFT0][2] = dZdxlocsens*vdrift; | |
2422 | dfDone[AliITSAlignMille2Module::kDOFT0] = kTRUE; | |
2423 | // | |
2424 | fDerivativeGlo[AliITSAlignMille2Module::kDOFDV][0] = -dXdxlocsens*TMath::Sign(tdrift,vdrift); | |
2425 | fDerivativeGlo[AliITSAlignMille2Module::kDOFDV][2] = -dZdxlocsens*TMath::Sign(tdrift,vdrift); | |
2426 | dfDone[AliITSAlignMille2Module::kDOFDV] = kTRUE; | |
2427 | // | |
2428 | } | |
2429 | // | |
2430 | if (fCurrentModule->GetParOffset(AliITSAlignMille2Module::kDOFT0)>=0) { | |
2431 | m.fDerGlo[ifill][kX] = fDerivativeGlo[AliITSAlignMille2Module::kDOFT0][0]; | |
2432 | m.fDerGlo[ifill][kZ] = fDerivativeGlo[AliITSAlignMille2Module::kDOFT0][2]; | |
2433 | m.fParMilleID[ifill++] = fCurrentModule->GetParOffset(AliITSAlignMille2Module::kDOFT0); | |
2434 | } | |
2435 | // | |
2436 | if (fCurrentModule->GetParOffset(AliITSAlignMille2Module::kDOFDV)>=0) { | |
2437 | m.fDerGlo[ifill][kX] = fDerivativeGlo[AliITSAlignMille2Module::kDOFDV][0]; | |
2438 | m.fDerGlo[ifill][kZ] = fDerivativeGlo[AliITSAlignMille2Module::kDOFDV][2]; | |
2439 | m.fParMilleID[ifill++] = fCurrentModule->GetParOffset(AliITSAlignMille2Module::kDOFDV); | |
2440 | } | |
2441 | } | |
2442 | // | |
2443 | m.fModuleID[m.fNModFilled++] = fCurrentModule->GetUniqueID(); | |
2444 | } while( (fCurrentModule=fCurrentModule->GetParent()) ); | |
2445 | // | |
2446 | if (nmodTested>0 && zeroX) {AliInfo("Skipping: zero global X derivatives!");return -1;} | |
2447 | if (nmodTested>0 && zeroZ) {AliInfo("Skipping: zero global Z derivatives!");return -1;} | |
2448 | // | |
2449 | // ok, can copy to m | |
2450 | AliDebug(2,Form("Adding local equation X with fMeas=%.6f and fSigma=%.6f",(fMeasLoc[0]-fPintLoc0[0]), fSigmaLoc[0])); | |
2451 | m.fMeas[kX] = fMeasLoc[0]-fPintLoc0[0]; | |
2452 | m.fSigma[kX] = fSigmaLoc[0]; | |
2453 | // | |
2454 | AliDebug(2,Form("Adding local equation Z with fMeas=%.6f and fSigma=%.6f",(fMeasLoc[2]-fPintLoc0[2]), fSigmaLoc[2])); | |
2455 | m.fMeas[kZ] = fMeasLoc[2]-fPintLoc0[2]; | |
2456 | m.fSigma[kZ] = fSigmaLoc[2]; | |
2457 | // | |
2458 | m.fNGlobFilled = ifill; | |
2459 | fCurrentModule = endModule; | |
2460 | // | |
2461 | return Int_t(!zeroX && !zeroZ); | |
2462 | } | |
2463 | ||
2464 | //________________________________________________________________________________________________________ | |
2465 | Int_t AliITSAlignMille2::AddLocalEquationTPA(Mille2Data &m) | |
2466 | { | |
2467 | /// Define local equation for current cluster in X Y and Z coor. | |
2468 | /// and store them to memory | |
2469 | /// return -1 in case of failure to build some equation | |
2470 | /// 0 if no free global parameters were found but local eq is built | |
2471 | /// 1 if both local and global eqs are built | |
2472 | // | |
2473 | int curpoint = fCluster.GetUniqueID()-1; | |
2474 | TGeoHMatrix *tempHMat = GetSensorCurrMatrixSID(fCurrentSensID);// fCurrentModule->GetSensitiveVolumeMatrix(fCluster.GetVolumeID()); | |
2475 | // | |
2476 | fTPAFitter->GetDResDParams(&fDerivativeLoc[0][0], curpoint); // resid. derivatives over the track parameters | |
2477 | for (Int_t i=fNLocal; i--;) tempHMat->MasterToLocalVect(fDerivativeLoc[i],m.fDerLoc[i]); | |
2478 | // | |
2479 | // derivatives over the global parameters ---------------------------------------->>> | |
2480 | Double_t dRdP[3][3]; // derivative of local residuals vs local position | |
2481 | Double_t dPdG[AliITSAlignMille2Module::kMaxParGeom][3]; // derivatives of local position vs global params | |
2482 | fTPAFitter->GetDResDPos(&fDerivativeGlo[0][0], curpoint); | |
2483 | for (int i=3;i--;) tempHMat->MasterToLocalVect(fDerivativeGlo[i],dRdP[i]); | |
2484 | // | |
2485 | UInt_t ifill=0, dfDone = 0; | |
2486 | m.fNModFilled = 0; | |
2487 | // | |
2488 | AliITSAlignMille2Module* endModule = fCurrentModule; | |
2489 | // | |
2490 | do { | |
2491 | if (fCurrentModule->GetNParFree()==0) continue; | |
2492 | if (!fUseGlobalDelta) dfDone = 0; // for local deltas the derivatives at diff. levels are different | |
2493 | Bool_t jacobOK = kFALSE; | |
2494 | // | |
2495 | for (Int_t i=0; i<kNParChGeom; i++) { // common for all sensors: derivatives over geom params | |
2496 | if (fCurrentModule->GetParOffset(i)<0) continue; // this parameter is not explicitly fitted | |
2497 | // | |
2498 | if (!TestWordBit(dfDone,i)) { // need to calculate new derivative | |
2499 | if (!jacobOK) {fCurrentModule->CalcDerivDPosDPar(fCluster.GetVolumeID(),fMeasLoc,&dPdG[0][0]); jacobOK = kTRUE;} | |
2500 | // dRes_j/dGlo_i = \sum_{k=1:3} dRes_j/dPos_k * dPos_k/dGlo_i | |
2501 | fDerivativeGlo[i][kX] = dRdP[kX][kX]*dPdG[i][kX] + dRdP[kY][kX]*dPdG[i][kY] + dRdP[kZ][kX]*dPdG[i][kZ]; | |
2502 | fDerivativeGlo[i][kY] = dRdP[kX][kY]*dPdG[i][kX] + dRdP[kY][kY]*dPdG[i][kY] + dRdP[kZ][kY]*dPdG[i][kZ]; | |
2503 | fDerivativeGlo[i][kZ] = dRdP[kX][kZ]*dPdG[i][kX] + dRdP[kY][kZ]*dPdG[i][kY] + dRdP[kZ][kZ]*dPdG[i][kZ]; | |
2504 | SetWordBit(dfDone,i); | |
2505 | } | |
2506 | // | |
2507 | m.fDerGlo[ifill][kX] = fDerivativeGlo[i][kX]; | |
2508 | m.fDerGlo[ifill][kY] = fDerivativeGlo[i][kY]; | |
2509 | m.fDerGlo[ifill][kZ] = fDerivativeGlo[i][kZ]; | |
2510 | m.fParMilleID[ifill++] = fCurrentModule->GetParOffset(i); | |
2511 | // | |
2512 | } | |
2513 | // | |
2514 | if ( fCurrentModule->IsSDD() ) { // specific for SDD | |
2515 | // | |
2516 | // assume for sensor local xloc = xloc0 + V0*dT0+dV*(T-T0) | |
2517 | // where V0 and T are the nominal drift velocity, time and time0 | |
2518 | // and the dT0 and dV are the corrections: | |
2519 | // dX/dT0 = dX/dxloc * dxloc/dT0 = dX/dxloc * V0 | |
2520 | // dX/dV = dX/dxloc * dxloc/dV = dX/dxloc * (T-T0) | |
2521 | // IMPORTANT: the geom derivatives are over the SENSOR LOCAL parameters | |
2522 | // | |
2523 | if (fCurrentModule->GetParOffset(AliITSAlignMille2Module::kDOFT0)>=0) { | |
2524 | if (!TestWordBit(dfDone, AliITSAlignMille2Module::kDOFT0)) { | |
2525 | double vdrift = GetVDriftSDD(); | |
2526 | fDerivativeGlo[AliITSAlignMille2Module::kDOFT0][kX] = -dRdP[kX][kX]*vdrift; | |
2527 | fDerivativeGlo[AliITSAlignMille2Module::kDOFT0][kY] = -dRdP[kX][kY]*vdrift; | |
2528 | fDerivativeGlo[AliITSAlignMille2Module::kDOFT0][kZ] = -dRdP[kX][kZ]*vdrift; | |
2529 | SetWordBit(dfDone, AliITSAlignMille2Module::kDOFT0); | |
2530 | } | |
2531 | m.fDerGlo[ifill][kX] = fDerivativeGlo[AliITSAlignMille2Module::kDOFT0][kX]; | |
2532 | m.fDerGlo[ifill][kY] = fDerivativeGlo[AliITSAlignMille2Module::kDOFT0][kY]; | |
2533 | m.fDerGlo[ifill][kZ] = fDerivativeGlo[AliITSAlignMille2Module::kDOFT0][kZ]; | |
2534 | m.fParMilleID[ifill++] = fCurrentModule->GetParOffset(AliITSAlignMille2Module::kDOFT0); | |
2535 | } | |
2536 | // | |
2537 | if (fCurrentModule->GetParOffset(AliITSAlignMille2Module::kDOFDV)>=0) { | |
2538 | if (!TestWordBit(dfDone, AliITSAlignMille2Module::kDOFDV)) { | |
2539 | double tdrift = TMath::Sign(GetTDriftSDD(), GetVDriftSDD()); | |
2540 | fDerivativeGlo[AliITSAlignMille2Module::kDOFDV][kX] = dRdP[kX][kX]*tdrift; | |
2541 | fDerivativeGlo[AliITSAlignMille2Module::kDOFDV][kY] = dRdP[kX][kY]*tdrift; | |
2542 | fDerivativeGlo[AliITSAlignMille2Module::kDOFDV][kZ] = dRdP[kX][kZ]*tdrift; | |
2543 | SetWordBit(dfDone, AliITSAlignMille2Module::kDOFDV); | |
2544 | } | |
2545 | m.fDerGlo[ifill][kX] = fDerivativeGlo[AliITSAlignMille2Module::kDOFDV][kX]; | |
2546 | m.fDerGlo[ifill][kY] = fDerivativeGlo[AliITSAlignMille2Module::kDOFDV][kY]; | |
2547 | m.fDerGlo[ifill][kZ] = fDerivativeGlo[AliITSAlignMille2Module::kDOFDV][kZ]; | |
2548 | m.fParMilleID[ifill++] = fCurrentModule->GetParOffset(AliITSAlignMille2Module::kDOFDV); | |
2549 | } | |
2550 | } | |
2551 | // | |
2552 | m.fModuleID[m.fNModFilled++] = fCurrentModule->GetUniqueID(); | |
2553 | } while( (fCurrentModule=fCurrentModule->GetParent()) ); | |
2554 | // | |
2555 | // store first local residuals | |
2556 | fTPAFitter->GetResiduals(fPintLoc , curpoint); // lab residuals | |
2557 | for (int i=3;i--;) fPintLoc[i] = -fPintLoc[i]; | |
2558 | tempHMat->MasterToLocalVect(fPintLoc,m.fMeas); // local residuals | |
2559 | m.fSigma[kX] = fSigmaLoc[kX]; | |
2560 | m.fSigma[kY] = fSigmaLoc[kY]; | |
2561 | m.fSigma[kZ] = fSigmaLoc[kZ]; | |
2562 | // | |
2563 | m.fNGlobFilled = ifill; | |
2564 | fCurrentModule = endModule; | |
2565 | // | |
2566 | return 1; | |
2567 | } | |
2568 | ||
2569 | //________________________________________________________________________________________________________ | |
2570 | void AliITSAlignMille2::SetLocalEquations(const Mille2Data *marr, Int_t neq) | |
2571 | { | |
2572 | /// Set local equations with data stored in m | |
2573 | /// return 0 if success | |
2574 | // | |
2575 | for (Int_t j=0; j<neq; j++) { | |
2576 | // | |
2577 | const Mille2Data &m = marr[j]; | |
2578 | // | |
2579 | Bool_t filled = kFALSE; | |
2580 | for (int ic=3;ic--;) { | |
2581 | if (ic==kY && !fUseLocalYErr) continue; | |
2582 | AliDebug(2,Form("setting local equation %c with fMeas=%.6f and fSigma=%.6f",fgkXYZ[ic],m.fMeas[ic], m.fSigma[ic])); | |
2583 | Bool_t zero = kTRUE; | |
2584 | for (int i=fNLocal; i--;) zero &= SetLocalDerivative( i, m.fDerLoc[i][ic] ); | |
2585 | for (int i=m.fNGlobFilled;i--;) zero &= SetGlobalDerivative( m.fParMilleID[i] , m.fDerGlo[i][ic] ); | |
2586 | if (zero) { AliInfo(Form("Skipping %c residual due to the zero derivatives!",fgkXYZ[ic])); continue; } | |
2587 | fMillepede->SetLocalEquation(fGlobalDerivatives, fLocalDerivatives, m.fMeas[ic], m.fSigma[ic]); | |
2588 | filled = kTRUE; | |
2589 | // | |
2590 | } | |
2591 | // | |
2592 | if (filled) for (int i=m.fNModFilled;i--;) GetMilleModule(m.fModuleID[i])->IncNProcessedPoints(); | |
2593 | } | |
2594 | } | |
2595 | ||
2596 | //________________________________________________________________________________________________________ | |
2597 | Int_t AliITSAlignMille2::GlobalFit() | |
2598 | { | |
2599 | /// Call global fit; Global parameters are stored in parameters | |
2600 | if (!fIsMilleInit) Init(); | |
2601 | // | |
2602 | ApplyPreConstraints(); | |
2603 | int res = fMillepede->GlobalFit(); | |
2604 | AliInfo(Form("%s fitting global parameters!",res ? "Done":"Failed")); | |
2605 | if (res) { | |
2606 | // fetch the parameters | |
2607 | for (int imd=fNModules;imd--;) { | |
2608 | AliITSAlignMille2Module* mod = GetMilleModule(imd); | |
2609 | int nprocp = 0; | |
2610 | for (int ip=mod->GetNParTot();ip--;) { | |
2611 | int idp = mod->GetParOffset(ip); | |
2612 | if (idp<0) continue; // was not in the explicit fit | |
2613 | mod->SetParVal(ip,fMillepede->GetFinalParam(idp)); | |
2614 | mod->SetParErr(ip,fMillepede->GetFinalError(idp)); | |
2615 | int np = fMillepede->GetProcessedPoints(idp); | |
2616 | if (TMath::Abs(np)>TMath::Abs(nprocp)) nprocp = np; | |
2617 | } | |
2618 | if (!mod->GetNProcessedPoints()) mod->SetNProcessedPoints(nprocp); | |
2619 | } | |
2620 | ||
2621 | } | |
2622 | ApplyPostConstraints(); | |
2623 | return res; | |
2624 | } | |
2625 | ||
2626 | //________________________________________________________________________________________________________ | |
2627 | void AliITSAlignMille2::PrintGlobalParameters() | |
2628 | { | |
2629 | /// Print global parameters | |
2630 | if (!fIsMilleInit) { | |
2631 | AliInfo("Millepede has not been initialized!"); | |
2632 | return; | |
2633 | } | |
2634 | fMillepede->PrintGlobalParameters(); | |
2635 | } | |
2636 | ||
2637 | //________________________________________________________________________________________________________ | |
2638 | Int_t AliITSAlignMille2::LoadSuperModuleFile(const Char_t *sfile) | |
2639 | { | |
2640 | // load definitions of supermodules from a root file | |
2641 | // return 0 if success | |
2642 | ||
2643 | TFile *smf=TFile::Open(sfile); | |
2644 | if (!smf->IsOpen()) { | |
2645 | AliInfo(Form("Cannot open supermodule file %s",sfile)); | |
2646 | return -1; | |
2647 | } | |
2648 | ||
2649 | TClonesArray *sma=(TClonesArray*)smf->Get("ITSMilleSuperModules"); | |
2650 | if (!sma) { | |
2651 | AliInfo(Form("Cannot find ITSMilleSuperModules array in file")); | |
2652 | return -2; | |
2653 | } | |
2654 | Int_t nsma=sma->GetEntriesFast(); | |
2655 | AliInfo(Form("Array of SuperModules with %d entries\n",nsma)); | |
2656 | // | |
2657 | // pepo200709 | |
2658 | Char_t st[2048]; | |
2659 | char symname[250]; | |
2660 | // end pepo200709 | |
2661 | ||
2662 | UShort_t volid; | |
2663 | TGeoHMatrix m; | |
2664 | // | |
2665 | for (Int_t i=0; i<nsma; i++) { | |
2666 | AliAlignObjParams *a = (AliAlignObjParams*)sma->UncheckedAt(i); | |
2667 | volid=a->GetVolUID(); | |
2668 | strcpy(st,a->GetSymName()); | |
2669 | a->GetMatrix(m); | |
2670 | // | |
2671 | sscanf(st,"%s",symname); | |
2672 | // | |
2673 | // decode module list | |
2674 | char *stp=strstr(st,"ModuleList:"); | |
2675 | if (!stp) return -3; | |
2676 | stp += 11; | |
2677 | int idx[2200]; | |
2678 | char spp[200]; int jp=0; | |
2679 | char cl[20]; | |
2680 | strcpy(st,stp); | |
2681 | int l=strlen(st); | |
2682 | int j=0; | |
2683 | int n=0; | |
2684 | // | |
2685 | while (j<=l) { | |
2686 | if (st[j]==9 || st[j]==32 || st[j]==10 || st[j]==0) { | |
2687 | spp[jp]=0; | |
2688 | jp=0; | |
2689 | if (strlen(spp)) { | |
2690 | int k=strcspn(spp,"-"); | |
2691 | if (k<int(strlen(spp))) { // c'e' il - | |
2692 | strcpy(cl,&(spp[k+1])); | |
2693 | spp[k]=0; | |
2694 | int ifrom=atoi(spp); int ito=atoi(cl); | |
2695 | for (int b=ifrom; b<=ito; b++) { | |
2696 | idx[n]=b; | |
2697 | n++; | |
2698 | } | |
2699 | } | |
2700 | else { // numerillo singolo | |
2701 | idx[n]=atoi(spp); | |
2702 | n++; | |
2703 | } | |
2704 | } | |
2705 | } | |
2706 | else { | |
2707 | spp[jp]=st[j]; | |
2708 | jp++; | |
2709 | } | |
2710 | j++; | |
2711 | } | |
2712 | UShort_t volidsv[2198]; | |
2713 | for (j=0;j<n;j++) { | |
2714 | volidsv[j]=AliITSAlignMille2Module::GetVolumeIDFromIndex(idx[j]); | |
2715 | if (!volidsv[j]) { | |
2716 | AliInfo(Form("Index %d not valid (range 0->%d)",idx[j],kMaxITSSensID)); | |
2717 | return -5; | |
2718 | } | |
2719 | } | |
2720 | Int_t smindex=int(2198+volid-14336); // virtual index | |
2721 | // | |
2722 | fSuperModule.AddAtAndExpand(new AliITSAlignMille2Module(smindex,volid,symname,&m,n,volidsv),fNSuperModules); | |
2723 | // | |
2724 | fNSuperModules++; | |
2725 | } | |
2726 | // | |
2727 | smf->Close(); | |
2728 | // | |
2729 | return 0; | |
2730 | } | |
2731 | ||
2732 | //________________________________________________________________________________________________________ | |
2733 | void AliITSAlignMille2::ConstrainModuleSubUnitsMean(Int_t idm, Double_t val, UInt_t pattern) | |
2734 | { | |
2735 | // require that sum of modifications for the childs of this module is = val, i.e. | |
2736 | // the internal corrections moves the module as a whole by fixed value (0 by default). | |
2737 | // pattern is the bit pattern for the parameters to constrain | |
2738 | // | |
2739 | if (fIsMilleInit) { | |
2740 | AliInfo("Millepede has been already initialized: no constrain may be added!"); | |
2741 | return; | |
2742 | } | |
2743 | if (!GetMilleModule(idm)->GetNChildren()) return; | |
2744 | TString nm = "cstrSUMean"; | |
2745 | nm += GetNConstraints(); | |
2746 | AliITSAlignMille2Constraint *cstr = new AliITSAlignMille2Constraint(nm.Data(),AliITSAlignMille2Constraint::kTypeMean, | |
2747 | idm,val,pattern); | |
2748 | cstr->SetConstraintID(GetNConstraints()); | |
2749 | fConstraints.Add(cstr); | |
2750 | } | |
2751 | ||
2752 | //________________________________________________________________________________________________________ | |
2753 | void AliITSAlignMille2::ConstrainModuleSubUnitsMedian(Int_t idm, Double_t val, UInt_t pattern) | |
2754 | { | |
2755 | // require that median of the modifications for the childs of this module is = val, i.e. | |
2756 | // the internal corrections moves the module as a whole by fixed value (0 by default) | |
2757 | // module the outliers. | |
2758 | // pattern is the bit pattern for the parameters to constrain | |
2759 | // The difference between the mean and the median will be transfered to the parent | |
2760 | if (fIsMilleInit) { | |
2761 | AliInfo("Millepede has been already initialized: no constrain may be added!"); | |
2762 | return; | |
2763 | } | |
2764 | if (!GetMilleModule(idm)->GetNChildren()) return; | |
2765 | TString nm = "cstrSUMed"; | |
2766 | nm += GetNConstraints(); | |
2767 | AliITSAlignMille2Constraint *cstr = new AliITSAlignMille2Constraint(nm.Data(),AliITSAlignMille2Constraint::kTypeMedian, | |
2768 | idm,val,pattern); | |
2769 | cstr->SetConstraintID(GetNConstraints()); | |
2770 | fConstraints.Add(cstr); | |
2771 | } | |
2772 | ||
2773 | //________________________________________________________________________________________________________ | |
2774 | void AliITSAlignMille2::ConstrainOrphansMean(Double_t val, UInt_t pattern) | |
2775 | { | |
2776 | // require that median of the modifications for the supermodules which have no parents is = val, i.e. | |
2777 | // the corrections moves the whole setup by fixed value (0 by default) modulo the outliers. | |
2778 | // pattern is the bit pattern for the parameters to constrain | |
2779 | // | |
2780 | if (fIsMilleInit) { | |
2781 | AliInfo("Millepede has been already initialized: no constrain may be added!"); | |
2782 | return; | |
2783 | } | |
2784 | TString nm = "cstrOMean"; | |
2785 | nm += GetNConstraints(); | |
2786 | AliITSAlignMille2Constraint *cstr = new AliITSAlignMille2Constraint(nm.Data(),AliITSAlignMille2Constraint::kTypeMean, | |
2787 | -1,val,pattern); | |
2788 | cstr->SetConstraintID(GetNConstraints()); | |
2789 | fConstraints.Add(cstr); | |
2790 | } | |
2791 | ||
2792 | //________________________________________________________________________________________________________ | |
2793 | void AliITSAlignMille2::ConstrainOrphansMedian(Double_t val, UInt_t pattern) | |
2794 | { | |
2795 | // require that median of the modifications for the supermodules which have no parents is = val, i.e. | |
2796 | // the corrections moves the whole setup by fixed value (0 by default) modulo the outliers. | |
2797 | // pattern is the bit pattern for the parameters to constrain | |
2798 | // | |
2799 | if (fIsMilleInit) { | |
2800 | AliInfo("Millepede has been already initialized: no constrain may be added!"); | |
2801 | return; | |
2802 | } | |
2803 | TString nm = "cstrOMed"; | |
2804 | nm += GetNConstraints(); | |
2805 | AliITSAlignMille2Constraint *cstr = new AliITSAlignMille2Constraint(nm.Data(),AliITSAlignMille2Constraint::kTypeMedian, | |
2806 | -1,val,pattern); | |
2807 | cstr->SetConstraintID(GetNConstraints()); | |
2808 | fConstraints.Add(cstr); | |
2809 | } | |
2810 | ||
2811 | //________________________________________________________________________________________________________ | |
2812 | void AliITSAlignMille2::ConstrainLocal(const Char_t* name,Double_t *parcf,Int_t npar,Double_t val,Double_t err) | |
2813 | { | |
2814 | // apply constraint on parameters in the local frame | |
2815 | if (fIsMilleInit) { | |
2816 | AliInfo("Millepede has been already initialized: no constrain may be added!"); | |
2817 | return; | |
2818 | } | |
2819 | AliITSAlignMille2ConstrArray *cstr = new AliITSAlignMille2ConstrArray(name,parcf,npar,val,err); | |
2820 | cstr->SetConstraintID(GetNConstraints()); | |
2821 | fConstraints.Add(cstr); | |
2822 | } | |
2823 | ||
2824 | //________________________________________________________________________________________________________ | |
2825 | void AliITSAlignMille2::ApplyGaussianConstraint(const AliITSAlignMille2ConstrArray* cstr) | |
2826 | { | |
2827 | // apply the constraint on the local corrections of a list of modules | |
2828 | int nmod = cstr->GetNModules(); | |
2829 | double jacobian[AliITSAlignMille2Module::kMaxParGeom][AliITSAlignMille2Module::kMaxParGeom]; | |
2830 | // | |
2831 | for (int imd=nmod;imd--;) { | |
2832 | int modID = cstr->GetModuleID(imd); | |
2833 | AliITSAlignMille2Module* mod = GetMilleModule(modID); | |
2834 | ResetLocalEquation(); | |
2835 | int nadded = 0; | |
2836 | double value = cstr->GetValue(); | |
2837 | double sigma = cstr->GetError(); | |
2838 | // | |
2839 | // in case the reference (survey) deltas were imposed for Gaussian constraints | |
2840 | // already accumulated corrections: they must be subtracted from the constraint value. | |
2841 | if (IsConstraintWrtRef()) { | |
2842 | // | |
2843 | Double_t precal[AliITSAlignMille2Module::kMaxParTot]; | |
2844 | Double_t refcal[AliITSAlignMille2Module::kMaxParTot]; | |
2845 | for (int ip=AliITSAlignMille2Module::kMaxParTot;ip--;) {precal[ip]=0; refcal[ip] = 0.;} | |
2846 | // | |
2847 | // check if there was a reference delta provided for this module | |
2848 | AliAlignObjParams* parref = GetConstrRefObject(mod->GetName()); | |
2849 | if (parref) parref->GetPars(refcal, refcal+3); // found reference delta | |
2850 | // | |
2851 | // extract already applied local corrections for this module | |
2852 | if (fPrealignment) { | |
2853 | // | |
2854 | AliAlignObjParams *preo = GetPrealignedObject(mod->GetName()); | |
2855 | if (preo) { | |
2856 | TGeoHMatrix preMat,tmpMat = *mod->GetMatrix(); // Delta_Glob * Delta_Glob_Par * M | |
2857 | preo->GetMatrix(preMat); // Delta_Glob | |
2858 | preMat.MultiplyLeft( &tmpMat.Inverse() ); // M^-1 * Delta_Glob_Par^-1 = (Delta_Glob_Par * M)^-1 | |
2859 | tmpMat.MultiplyLeft( &preMat ); // (Delta_Glob_Par * M)^-1 * Delta_Glob * Delta_Glob_Par * M = Delta_loc | |
2860 | AliAlignObjParams algob; | |
2861 | algob.SetMatrix(tmpMat); | |
2862 | algob.GetPars(precal,precal+3); // local corrections for geometry | |
2863 | } | |
2864 | } | |
2865 | // | |
2866 | // subtract the contribution to constraint from precalibration | |
2867 | for (int ipar=cstr->GetNCoeffs();ipar--;) value += (refcal[ipar]-precal[ipar])*cstr->GetCoeff(ipar); | |
2868 | // | |
2869 | } | |
2870 | // | |
2871 | if (fUseGlobalDelta) mod->CalcDerivLocGlo(&jacobian[0][0]); | |
2872 | // | |
2873 | for (int ipar=cstr->GetNCoeffs();ipar--;) { | |
2874 | double coef = cstr->GetCoeff(ipar); | |
2875 | if (IsZero(coef)) continue; | |
2876 | // | |
2877 | if (!fUseGlobalDelta || ipar>= AliITSAlignMille2Module::kMaxParGeom) { // | |
2878 | // we are working with local params or if the given param is not related to geometry, | |
2879 | // apply the constraint directly | |
2880 | int parPos = mod->GetParOffset(ipar); | |
2881 | if (parPos<0) continue; // not in the fit | |
2882 | fGlobalDerivatives[parPos] += coef; | |
2883 | nadded++; | |
2884 | } | |
2885 | else { // we are working with global params, while the constraint is on local ones -> jacobian | |
2886 | for (int jpar=AliITSAlignMille2Module::kMaxParGeom;jpar--;) { | |
2887 | int parPos = mod->GetParOffset(jpar); | |
2888 | if (parPos<0) continue; | |
2889 | fGlobalDerivatives[parPos] += coef*jacobian[ipar][jpar]; | |
2890 | nadded++; | |
2891 | } | |
2892 | } | |
2893 | } | |
2894 | if (nadded) AddConstraint(fGlobalDerivatives, value, sigma); | |
2895 | } | |
2896 | // | |
2897 | } | |
2898 | ||
2899 | //________________________________________________________________________________________________________ | |
2900 | void AliITSAlignMille2::ApplyPreConstraints() | |
2901 | { | |
2902 | // apply constriants which cannot be imposed after the fit | |
2903 | int nconstr = GetNConstraints(); | |
2904 | for (int i=0;i<nconstr;i++) { | |
2905 | AliITSAlignMille2Constraint* cstr = GetConstraint(i); | |
2906 | // | |
2907 | if (cstr->GetType() == AliITSAlignMille2ConstrArray::kTypeGaussian) { | |
2908 | ApplyGaussianConstraint( (AliITSAlignMille2ConstrArray*)cstr); | |
2909 | continue; | |
2910 | } | |
2911 | // | |
2912 | if (cstr->GetType() == AliITSAlignMille2Constraint::kTypeMedian) continue; // post type constraint | |
2913 | // | |
2914 | if (!fUseGlobalDelta) continue; // mean/med constraints must be applied to global deltas | |
2915 | // apply constraint on the mean's before the fit | |
2916 | int imd = cstr->GetModuleID(); | |
2917 | if (imd>=0) { | |
2918 | AliITSAlignMille2Module* mod = GetMilleModule(imd); | |
2919 | UInt_t pattern = 0; | |
2920 | for (int ipar=mod->GetNParTot();ipar--;) { | |
2921 | if (!cstr->IncludesParam(ipar)) continue; | |
2922 | if (mod->GetParOffset(ipar)<0) continue; // parameter is not in the explicit fit -> post constraint | |
2923 | pattern |= 0x1<<ipar; | |
2924 | cstr->SetApplied(ipar); | |
2925 | } | |
2926 | ConstrainModuleSubUnits(imd,cstr->GetValue(),pattern); | |
2927 | // | |
2928 | } | |
2929 | else if (!PseudoParentsAllowed()) { | |
2930 | ConstrainOrphans(cstr->GetValue(),(UInt_t)cstr->GetPattern()); | |
2931 | cstr->SetApplied(-1); | |
2932 | } | |
2933 | } | |
2934 | } | |
2935 | ||
2936 | //________________________________________________________________________________________________________ | |
2937 | void AliITSAlignMille2::ApplyPostConstraints() | |
2938 | { | |
2939 | // apply constraints which can be imposed after the fit | |
2940 | int nconstr = GetNConstraints(); | |
2941 | Bool_t convGlo = kFALSE; | |
2942 | // check if there is something to do | |
2943 | int ntodo = 0; | |
2944 | for (int i=0;i<nconstr;i++) { | |
2945 | AliITSAlignMille2Constraint* cstr = GetConstraint(i); | |
2946 | if (cstr->GetType() == AliITSAlignMille2ConstrArray::kTypeGaussian) continue; | |
2947 | if (cstr->GetRemainingPattern() == 0) continue; | |
2948 | ntodo++; | |
2949 | } | |
2950 | if (!ntodo) return; | |
2951 | // | |
2952 | if (!fUseGlobalDelta) { // need to convert to global params | |
2953 | ConvertParamsToGlobal(); | |
2954 | convGlo = kTRUE; | |
2955 | } | |
2956 | // | |
2957 | for (int i=0;i<nconstr;i++) { | |
2958 | AliITSAlignMille2Constraint* cstr = GetConstraint(i); | |
2959 | if (cstr->GetType() == AliITSAlignMille2ConstrArray::kTypeGaussian) continue; | |
2960 | // | |
2961 | int imd = cstr->GetModuleID(); | |
2962 | // | |
2963 | if (imd>=0) { | |
2964 | AliITSAlignMille2Module* mod = GetMilleModule(imd); | |
2965 | UInt_t pattern = 0; | |
2966 | for (int ipar=mod->GetNParTot();ipar--;) { | |
2967 | if (cstr->IsApplied(ipar)) continue; | |
2968 | if (!cstr->IncludesParam(ipar)) continue; | |
2969 | if (!mod->IsFreeDOF(ipar)) continue; // parameter is fixed, will not apply constraint | |
2970 | pattern |= 0x1<<ipar; | |
2971 | cstr->SetApplied(ipar); | |
2972 | } | |
2973 | if (pattern) PostConstrainModuleSubUnits(cstr->GetType(),cstr->GetModuleID(),cstr->GetValue(),pattern); | |
2974 | // | |
2975 | } | |
2976 | else if (PseudoParentsAllowed()) { | |
2977 | UInt_t pattern = (UInt_t)cstr->GetRemainingPattern(); | |
2978 | PostConstrainOrphans(cstr->GetType(),cstr->GetValue(),pattern); | |
2979 | cstr->SetApplied(-1); | |
2980 | } | |
2981 | } | |
2982 | // if there was a conversion, rewind it | |
2983 | if (convGlo) ConvertParamsToLocal(); | |
2984 | // | |
2985 | } | |
2986 | ||
2987 | //________________________________________________________________________________________________________ | |
2988 | void AliITSAlignMille2::ConstrainModuleSubUnits(Int_t idm, Double_t val, UInt_t pattern) | |
2989 | { | |
2990 | // require that sum of modifications for the childs of this module is = val, i.e. | |
2991 | // the internal corrections moves the module as a whole by fixed value (0 by default). | |
2992 | // pattern is the bit pattern for the parameters to constrain | |
2993 | // | |
2994 | // | |
2995 | AliITSAlignMille2Module* mod = GetMilleModule(idm); | |
2996 | // | |
2997 | for (int ip=0;ip<kNParCh;ip++) { | |
2998 | if ( !((pattern>>ip)&0x1) /*|| !parent->IsFreeDOF(ip)*/) continue; | |
2999 | ResetLocalEquation(); | |
3000 | int nadd = 0; | |
3001 | for (int ich=mod->GetNChildren();ich--;) { | |
3002 | int idpar = ((AliITSAlignMille2Module*)mod->GetChild(ich))->GetParOffset(ip); | |
3003 | if (idpar<0) continue; | |
3004 | fGlobalDerivatives[idpar] = 1.0; | |
3005 | nadd++; | |
3006 | } | |
3007 | // | |
3008 | if (nadd>0) { | |
3009 | AddConstraint(fGlobalDerivatives,val); | |
3010 | AliInfo(Form("Constrained param %d for %d submodules of module #%d: %s",ip,nadd,idm,mod->GetName())); | |
3011 | } | |
3012 | } | |
3013 | // | |
3014 | } | |
3015 | ||
3016 | //________________________________________________________________________________________________________ | |
3017 | void AliITSAlignMille2::ConstrainOrphans(Double_t val, UInt_t pattern) | |
3018 | { | |
3019 | // require that median of the modifications for the supermodules which have no parents is = val, i.e. | |
3020 | // the corrections moves the whole setup by fixed value (0 by default) modulo the outliers. | |
3021 | // pattern is the bit pattern for the parameters to constrain | |
3022 | // | |
3023 | for (int ip=0;ip<kNParCh;ip++) { | |
3024 | // | |
3025 | if ( !((pattern>>ip)&0x1) ) continue; | |
3026 | ResetLocalEquation(); | |
3027 | int nadd = 0; | |
3028 | for (int imd=fNModules;imd--;) { | |
3029 | AliITSAlignMille2Module* mod = GetMilleModule(imd); | |
3030 | if (mod->GetParent()) continue; // this is not an orphan | |
3031 | int idpar = mod->GetParOffset(ip); | |
3032 | if (idpar<0) continue; | |
3033 | fGlobalDerivatives[idpar] = 1.0; | |
3034 | nadd++; | |
3035 | } | |
3036 | if (nadd>0) { | |
3037 | AddConstraint(fGlobalDerivatives,val); | |
3038 | AliInfo(Form("Constrained param %d for %d orphan modules",ip,nadd)); | |
3039 | } | |
3040 | } | |
3041 | // | |
3042 | // | |
3043 | } | |
3044 | ||
3045 | //________________________________________________________________________________________________________ | |
3046 | void AliITSAlignMille2::PostConstrainModuleSubUnits(Int_t type,Int_t idm, Double_t val, UInt_t pattern) | |
3047 | { | |
3048 | // require that median or mean of the modifications for the childs of this module is = val, i.e. | |
3049 | // the internal corrections moves the module as a whole by fixed value (0 by default) | |
3050 | // module the outliers. | |
3051 | // pattern is the bit pattern for the parameters to constrain | |
3052 | // The difference between the mean and the median will be transfered to the parent | |
3053 | // | |
3054 | AliITSAlignMille2Module* parent = GetMilleModule(idm); | |
3055 | int nc = parent->GetNChildren(); | |
3056 | // | |
3057 | double *tmpArr = new double[nc]; | |
3058 | // | |
3059 | for (int ip=0;ip<kNParCh;ip++) { | |
3060 | int npc = 0; | |
3061 | if ( !((pattern>>ip)&0x1) || !parent->IsFreeDOF(ip)) continue; | |
3062 | // compute the mean and median of the deltas | |
3063 | int nfree = 0; | |
3064 | for (int ich=nc;ich--;) { | |
3065 | AliITSAlignMille2Module* child = parent->GetChild(ich); | |
3066 | // if (!child->IsFreeDOF(ip)) continue; | |
3067 | tmpArr[nfree++] = child->GetParVal(ip); | |
3068 | } | |
3069 | double median=0,mean=0; | |
3070 | for (int ic0=0;ic0<nfree;ic0++) {// order the deltas | |
3071 | mean += tmpArr[ic0]; | |
3072 | for (int ic1=ic0+1;ic1<nfree;ic1++) | |
3073 | if (tmpArr[ic0]>tmpArr[ic1]) {double tv=tmpArr[ic0]; tmpArr[ic0]=tmpArr[ic1]; tmpArr[ic1]=tv;} | |
3074 | } | |
3075 | // | |
3076 | int kmed = nfree/2; | |
3077 | median = (tmpArr[kmed]+tmpArr[nfree-kmed-1])/2.; | |
3078 | if (nfree>0) mean /= nfree; | |
3079 | // | |
3080 | double shift = val - (type==AliITSAlignMille2Constraint::kTypeMean ? mean : median); | |
3081 | // | |
3082 | for (int ich=nc;ich--;) { | |
3083 | AliITSAlignMille2Module* child = parent->GetChild(ich); | |
3084 | // if (!child->IsFreeDOF(ip)) continue; | |
3085 | child->SetParVal(ip, child->GetParVal(ip) + shift); | |
3086 | npc++; | |
3087 | } | |
3088 | // | |
3089 | parent->SetParVal(ip, parent->GetParVal(ip) - shift); | |
3090 | AliInfo(Form("%s constraint: added %f shift to param[%d] of %d children of module %d: %s", | |
3091 | type==AliITSAlignMille2Constraint::kTypeMean ? "MEAN" : "MEDIAN",shift, | |
3092 | ip,npc,idm,parent->GetName())); | |
3093 | } | |
3094 | delete[] tmpArr; | |
3095 | // | |
3096 | // | |
3097 | } | |
3098 | ||
3099 | //________________________________________________________________________________________________________ | |
3100 | void AliITSAlignMille2::PostConstrainOrphans(Int_t type,Double_t val, UInt_t pattern) | |
3101 | { | |
3102 | // require that median or mean of modifications for the supermodules which have no parents is = val, i.e. | |
3103 | // the corrections moves the whole setup by fixed value (0 by default). | |
3104 | // pattern is the bit pattern for the parameters to constrain | |
3105 | // | |
3106 | int nc = fNModules; | |
3107 | // | |
3108 | int norph = 0; | |
3109 | for (int ich=nc;ich--;) if (!GetMilleModule(ich)->GetParent()) norph ++; | |
3110 | if (!norph) return; | |
3111 | double *tmpArr = new double[norph]; | |
3112 | // | |
3113 | for (int ip=0;ip<kNParCh;ip++) { | |
3114 | int npc = 0; | |
3115 | if ( !((pattern>>ip)&0x1)) continue; | |
3116 | // compute the mean and median of the deltas | |
3117 | int nfree = 0; | |
3118 | for (int ich=nc;ich--;) { | |
3119 | AliITSAlignMille2Module* child = GetMilleModule(ich); | |
3120 | // if (child->GetParent() || !child->IsFreeDOF(ip)) continue; | |
3121 | if (child->GetParent()) continue; | |
3122 | tmpArr[nfree++] = child->GetParVal(ip); | |
3123 | } | |
3124 | double median=0,mean=0; | |
3125 | for (int ic0=0;ic0<nfree;ic0++) {// order the deltas | |
3126 | mean += tmpArr[ic0]; | |
3127 | for (int ic1=ic0+1;ic1<nfree;ic1++) | |
3128 | if (tmpArr[ic0]>tmpArr[ic1]) {double tv=tmpArr[ic0]; tmpArr[ic0]=tmpArr[ic1]; tmpArr[ic1]=tv;} | |
3129 | } | |
3130 | // | |
3131 | int kmed = nfree/2; | |
3132 | median = (tmpArr[kmed]+tmpArr[nfree-kmed-1])/2.; | |
3133 | if (nfree>0) mean /= nfree; | |
3134 | // | |
3135 | double shift = val - (type==AliITSAlignMille2Constraint::kTypeMean ? mean : median); | |
3136 | // | |
3137 | for (int ich=nc;ich--;) { | |
3138 | AliITSAlignMille2Module* child = GetMilleModule(ich); | |
3139 | // if (child->GetParent() || !child->IsFreeDOF(ip)) continue; | |
3140 | if (child->GetParent()) continue; | |
3141 | child->SetParVal(ip, child->GetParVal(ip) + shift); | |
3142 | npc++; | |
3143 | } | |
3144 | // | |
3145 | AliInfo(Form("%s constraint: added %f shift to param[%d] of %d orphan modules", | |
3146 | type==AliITSAlignMille2Constraint::kTypeMean ? "MEAN" : "MEDIAN",shift, | |
3147 | ip,npc)); | |
3148 | } | |
3149 | delete[] tmpArr; | |
3150 | // | |
3151 | } | |
3152 | ||
3153 | //________________________________________________________________________________________________________ | |
3154 | Bool_t AliITSAlignMille2::IsParModConstrained(const AliITSAlignMille2Module* mod,Int_t par, Bool_t &meanmed, Bool_t &gaussian) const | |
3155 | { | |
3156 | // check if par of the module participates in some constraint, and set the flag for their types | |
3157 | meanmed = gaussian = kFALSE; | |
3158 | // | |
3159 | if ( mod->IsParConstrained(par) ) gaussian = kTRUE; // direct constraint on this param | |
3160 | // | |
3161 | for (int icstr=GetNConstraints();icstr--;) { | |
3162 | AliITSAlignMille2Constraint* cstr = GetConstraint(icstr); | |
3163 | // | |
3164 | if (!cstr->IncludesModPar(mod,par)) continue; | |
3165 | if (cstr->GetType()==AliITSAlignMille2ConstrArray::kTypeGaussian) gaussian = kTRUE; | |
3166 | else meanmed = kTRUE; | |
3167 | // | |
3168 | if (meanmed && gaussian) break; // no sense to check further | |
3169 | } | |
3170 | // | |
3171 | return meanmed||gaussian; | |
3172 | } | |
3173 | ||
3174 | //________________________________________________________________________________________________________ | |
3175 | Bool_t AliITSAlignMille2::IsParModFamilyVaried(const AliITSAlignMille2Module* mod,Int_t par,Int_t depth) const | |
3176 | { | |
3177 | // check if parameter par is varied for this module or its children up to the level depth | |
3178 | if (depth<0) return kFALSE; | |
3179 | if (mod->GetParOffset(par)>=0) return kTRUE; | |
3180 | for (int icld=mod->GetNChildren();icld--;) { | |
3181 | AliITSAlignMille2Module* child = mod->GetChild(icld); | |
3182 | if (IsParModFamilyVaried(child, par, depth-1)) return kTRUE; | |
3183 | } | |
3184 | return kFALSE; | |
3185 | // | |
3186 | } | |
3187 | ||
3188 | /* | |
3189 | //________________________________________________________________________________________________________ | |
3190 | Bool_t AliITSAlignMille2::IsParFamilyFree(AliITSAlignMille2Module* mod,Int_t par,Int_t depth) const | |
3191 | { | |
3192 | // check if parameter par is varied and is not subjected to gaussian constraint for the children up to the level depth | |
3193 | if (depth<0) return kTRUE; | |
3194 | for (int icld=mod->GetNChildren();icld--;) { | |
3195 | AliITSAlignMille2Module* child = mod->GetChild(icld); | |
3196 | //if (child->GetParOffset(par)<0) continue; // fixed | |
3197 | Bool_t cstMM=kFALSE,cstGS=kFALSE; | |
3198 | // does this child have gaussian constraint ? | |
3199 | if (!IsParModConstrained(child,par,cstMM,cstGS) || !cstGS ) return kTRUE; | |
3200 | // check its children | |
3201 | if (!IsParFamilyFree(child,par,depth-1)) return kTRUE; | |
3202 | } | |
3203 | return kFALSE; | |
3204 | // | |
3205 | } | |
3206 | */ | |
3207 | ||
3208 | //________________________________________________________________________________________________________ | |
3209 | Bool_t AliITSAlignMille2::IsParFamilyFree(const AliITSAlignMille2Module* mod,Int_t par,Int_t depth) const | |
3210 | { | |
3211 | // check if parameter par is varied and is not subjected to gaussian constraint for the children up to the level depth | |
3212 | if (depth<0) return kFALSE; | |
3213 | for (int icld=mod->GetNChildren();icld--;) { | |
3214 | AliITSAlignMille2Module* child = mod->GetChild(icld); | |
3215 | //if (child->GetParOffset(par)<0) continue; // fixed | |
3216 | Bool_t cstMM=kFALSE,cstGS=kFALSE; | |
3217 | // does this child have gaussian constraint ? | |
3218 | if (!IsParModConstrained(child,par,cstMM,cstGS) || !cstGS ) return kTRUE; | |
3219 | // check its children | |
3220 | if (IsParFamilyFree(child,par,depth-1)) return kTRUE; | |
3221 | } | |
3222 | return kFALSE; | |
3223 | // | |
3224 | } | |
3225 | ||
3226 | //________________________________________________________________________________________________________ | |
3227 | Double_t AliITSAlignMille2::GetTDriftSDD() const | |
3228 | { | |
3229 | // obtain drift time corrected for t0 | |
3230 | double t = fCluster.GetDriftTime(); | |
3231 | return t - fDriftTime0[ fCluster.GetUniqueID()-1 ]; | |
3232 | } | |
3233 | ||
3234 | //________________________________________________________________________________________________________ | |
3235 | Double_t AliITSAlignMille2::GetVDriftSDD() const | |
3236 | { | |
3237 | // obtain corrected drift speed | |
3238 | return fDriftSpeed[ fCluster.GetUniqueID()-1 ]; | |
3239 | } | |
3240 | ||
3241 | //________________________________________________________________________________________________________ | |
3242 | Bool_t AliITSAlignMille2::FixedOrphans() const | |
3243 | { | |
3244 | // are there fixed modules with no parent (normally in such a case | |
3245 | // the constraints on the orphans should not be applied | |
3246 | if (!IsConfigured()) { | |
3247 | AliInfo("Still not configured"); | |
3248 | return kFALSE; | |
3249 | } | |
3250 | for (int i=0;i<fNModules;i++) { | |
3251 | AliITSAlignMille2Module* md = GetMilleModule(i); | |
3252 | if (md->GetParent()==0 && md->GetNParFree()==0) return kTRUE; | |
3253 | } | |
3254 | return kFALSE; | |
3255 | } | |
3256 | ||
3257 | //________________________________________________________________________________________________________ | |
3258 | void AliITSAlignMille2::ConvertParamsToGlobal() | |
3259 | { | |
3260 | // convert params in local frame to global one | |
3261 | double pars[AliITSAlignMille2Module::kMaxParGeom]; | |
3262 | for (int imd=fNModules;imd--;) { | |
3263 | AliITSAlignMille2Module* mod = GetMilleModule(imd); | |
3264 | if (mod->GeomParamsGlobal()) continue; | |
3265 | mod->GetGeomParamsGlo(pars); | |
3266 | mod->SetParVals(pars,AliITSAlignMille2Module::kMaxParGeom); | |
3267 | mod->SetGeomParamsGlobal(kTRUE); | |
3268 | } | |
3269 | } | |
3270 | ||
3271 | //________________________________________________________________________________________________________ | |
3272 | void AliITSAlignMille2::ConvertParamsToLocal() | |
3273 | { | |
3274 | // convert params in global frame to local one | |
3275 | double pars[AliITSAlignMille2Module::kMaxParGeom]; | |
3276 | for (int imd=fNModules;imd--;) { | |
3277 | AliITSAlignMille2Module* mod = GetMilleModule(imd); | |
3278 | if (!mod->GeomParamsGlobal()) continue; | |
3279 | mod->GetGeomParamsLoc(pars); | |
3280 | mod->SetParVals(pars,AliITSAlignMille2Module::kMaxParGeom); | |
3281 | mod->SetGeomParamsGlobal(kFALSE); | |
3282 | } | |
3283 | } | |
3284 | ||
3285 | //________________________________________________________________________________________________________ | |
3286 | void AliITSAlignMille2::SetBField(Double_t b) | |
3287 | { | |
3288 | // set Bz value | |
3289 | if (IsZero(b,1e-5)) { | |
3290 | fBField = 0.0; | |
3291 | fBOn = kFALSE; | |
3292 | fNLocal = 4; | |
3293 | } | |
3294 | else { | |
3295 | fBField = b; | |
3296 | fBOn = kTRUE; | |
3297 | fNLocal = 5; // helices | |
3298 | } | |
3299 | } | |
3300 | ||
3301 | //________________________________________________________________________________________________________ | |
3302 | Int_t AliITSAlignMille2::ProcessUserInfo(TList* userInfo) | |
3303 | { | |
3304 | // extract calibration information used for TrackPointArray creation from run info | |
3305 | // | |
3306 | if (!userInfo) { AliInfo("No UserInfo is provided"); return 0;} | |
3307 | // | |
3308 | TMap *cdbMap=0; | |
3309 | TList* cdbList=0; | |
3310 | TObjString *objStr,*keyStr; | |
3311 | AliCDBManager* man = AliCDBManager::Instance(); | |
3312 | // | |
3313 | int run = userInfo->GetUniqueID(); | |
3314 | AliInfo(Form("UserInfo corresponds to run#%d",run)); | |
3315 | cdbMap = (TMap*)userInfo->FindObject("cdbMap"); | |
3316 | if (!cdbMap) {AliInfo("No CDB Map found in UserInfo");} | |
3317 | else { | |
3318 | if ((objStr=(TObjString*)cdbMap->GetValue("default"))) { // first set default CDB path | |
3319 | fDefCDBpath = objStr->GetString(); | |
3320 | if (fDefCDBpath.BeginsWith("raw://")) fDefCDBpath = "raw://"; | |
3321 | AliInfo(Form("Default CDB Storage from UserInfo: %s",fDefCDBpath.Data())); | |
3322 | } | |
3323 | man->SetDefaultStorage( fDefCDBpath.Data() ); // this may be overriden later by configuration file | |
3324 | man->SetRun(run); | |
3325 | // | |
3326 | // set specific paths relevant for alignment | |
3327 | TIter itMap(cdbMap); | |
3328 | while( (keyStr=(TObjString*)itMap.Next()) ) { | |
3329 | TString keyS = keyStr->GetString(); | |
3330 | if ( keyS == "default" ) continue; | |
3331 | man->SetSpecificStorage( keyS.Data(), cdbMap->GetValue(keyS)->GetName() ); | |
3332 | } | |
3333 | } | |
3334 | // | |
3335 | cdbList = (TList*)userInfo->FindObject("cdbList"); | |
3336 | if (!cdbList) {AliInfo("No CDB List found in UserInfo");} | |
3337 | else { | |
3338 | // Deltas used for TrackPointArray production | |
3339 | TIter itList(cdbList); | |
3340 | while( (objStr=(TObjString*)itList.Next()) ) | |
3341 | if (objStr->GetString().Contains("ITS/Align/Data")) { | |
3342 | fInitDeltaPath = objStr->GetString(); | |
3343 | AliInfo(Form("Production Misalignment from UserInfo: %s",fInitDeltaPath.Data())); | |
3344 | break; | |
3345 | } | |
3346 | // SDD response (time0 and drift speed correction) used for TrackPointArray production | |
3347 | itList.Reset(); | |
3348 | while( (objStr=(TObjString*)itList.Next()) ) | |
3349 | if (objStr->GetString().Contains("ITS/Calib/RespSDD")) { | |
3350 | fInitSDDRespPath = objStr->GetString(); | |
3351 | AliInfo(Form("Production SDD Response from UserInfo: %s",fInitSDDRespPath.Data())); | |
3352 | break; | |
3353 | } | |
3354 | // | |
3355 | } | |
3356 | // | |
3357 | objStr = (TObjString*)userInfo->FindObject("BzkGauss"); | |
3358 | if (objStr) { | |
3359 | SetBField( objStr->GetString().Atof() ); | |
3360 | AliInfo(Form("Magentic field from UserInfo: %+.2e",GetBField())); | |
3361 | } | |
3362 | return 0; | |
3363 | } | |
3364 | ||
3365 | //________________________________________________________________________________________________________ | |
3366 | Int_t AliITSAlignMille2::LoadSDDResponse(TString& path, AliITSresponseSDD *&resp) | |
3367 | { | |
3368 | if (path.IsNull()) return 0; | |
3369 | // | |
3370 | resp = 0; | |
3371 | while(1) { | |
3372 | if (path.BeginsWith("path: ")) { // must load from OCDB | |
3373 | AliCDBId* cdbId = AliCDBId::MakeFromString( path.Data() ); | |
3374 | AliCDBEntry *entry = AliCDBManager::Instance()->Get( *cdbId ); | |
3375 | delete cdbId; | |
3376 | if (!entry) break; | |
3377 | resp = (AliITSresponseSDD*) entry->GetObject(); | |
3378 | entry->SetObject(NULL); | |
3379 | entry->SetOwner(kTRUE); | |
3380 | delete entry; | |
3381 | break; | |
3382 | } | |
3383 | // | |
3384 | if (gSystem->AccessPathName(path.Data())) break; | |
3385 | TFile* precf = TFile::Open(path.Data()); | |
3386 | resp = (AliITSresponseSDD*)precf->Get("AliITSresponseSDD"); | |
3387 | precf->Close(); | |
3388 | delete precf; | |
3389 | break; | |
3390 | } | |
3391 | // | |
3392 | if (!resp) {AliError(Form("Failed to load SDD response from %s",path.Data())); return -1;} | |
3393 | return 0; | |
3394 | } | |
3395 | ||
3396 | //________________________________________________________________________________________________________ | |
3397 | Int_t AliITSAlignMille2::LoadDeltas(TString& path, TClonesArray *&arr) | |
3398 | { | |
3399 | if (path.IsNull()) return 0; | |
3400 | // | |
3401 | arr = 0; | |
3402 | while(1) { | |
3403 | if (path.BeginsWith("path: ")) { // must load from OCDB | |
3404 | AliCDBId *cdbId = AliCDBId::MakeFromString( path.Data() ); | |
3405 | AliCDBEntry *entry = AliCDBManager::Instance()->Get( *cdbId ); | |
3406 | delete cdbId; | |
3407 | if (!entry) break; | |
3408 | arr = (TClonesArray*) entry->GetObject(); | |
3409 | entry->SetObject(NULL); | |
3410 | entry->SetOwner(kTRUE); | |
3411 | delete entry; | |
3412 | break; | |
3413 | } | |
3414 | // | |
3415 | if (gSystem->AccessPathName(path.Data())) break; | |
3416 | TFile* precf = TFile::Open(path.Data()); | |
3417 | arr = (TClonesArray*)precf->Get("ITSAlignObjs"); | |
3418 | precf->Close(); | |
3419 | delete precf; | |
3420 | break; | |
3421 | } | |
3422 | // | |
3423 | if (!arr) {AliError(Form("Failed to load Deltas from %s",path.Data())); return -1;} | |
3424 | return 0; | |
3425 | } | |
3426 | ||
3427 | //________________________________________________________________________________________________________ | |
3428 | Int_t AliITSAlignMille2::CacheMatrices() | |
3429 | { | |
3430 | // build arrays for the fast access to sensor matrices from their sensor ID | |
3431 | // | |
3432 | TGeoHMatrix mdel; | |
3433 | AliITSAlignMille2Module *mod = GetMilleModule(0); // does not matter which one... | |
3434 | AliInfo("Building sensors matrices cache"); | |
3435 | // | |
3436 | fCacheMatrixOrig.Delete(); | |
3437 | fCacheMatrixCurr.Delete(); | |
3438 | // in case the reconstruction was done with non-ideal geometry, load relevant deltas | |
3439 | TClonesArray *initDeltas = 0; | |
3440 | if (!fInitDeltaPath.IsNull()) if (LoadDeltas(fInitDeltaPath,initDeltas)) return -1; | |
3441 | // | |
3442 | // 1) Original matrices (used to write the global coordinates of the points) | |
3443 | for (int idx=0;idx<=kMaxITSSensID;idx++) { | |
3444 | int volID = AliITSAlignMille2Module::GetVolumeIDFromIndex(idx); | |
3445 | TGeoHMatrix *morig = new TGeoHMatrix(); | |
3446 | TGeoHMatrix *mcurr = new TGeoHMatrix(); | |
3447 | *morig = *mod->GetSensitiveVolumeOrigGlobalMatrix(volID); | |
3448 | *mcurr = *mod->GetSensitiveVolumeMatrix(volID); | |
3449 | // | |
3450 | // the reconstruction might be done with particular deltas | |
3451 | if (initDeltas) for (int i=initDeltas->GetLast()+1;i--;) { | |
3452 | AliAlignObjParams *preo = (AliAlignObjParams*) initDeltas->At(i); | |
3453 | if (!preo || (preo->GetVolUID()!=volID)) continue; | |
3454 | preo->GetMatrix(mdel); | |
3455 | morig->MultiplyLeft(&mdel); // account delta used for reconstruction | |
3456 | break; | |
3457 | } | |
3458 | // | |
3459 | fCacheMatrixOrig.AddAtAndExpand(morig,idx); | |
3460 | fCacheMatrixCurr.AddAtAndExpand(mcurr,idx); | |
3461 | // | |
3462 | } | |
3463 | // | |
3464 | fCacheMatrixOrig.SetOwner(kTRUE); | |
3465 | fCacheMatrixCurr.SetOwner(kTRUE); | |
3466 | if (initDeltas) {delete initDeltas; initDeltas = 0;} | |
3467 | return 0; | |
3468 | } | |
3469 | ||
3470 | //________________________________________________________________________________________________________ | |
3471 | void AliITSAlignMille2::ConstrainHelixFitPT(Int_t q,Double_t pt,Double_t pterr) | |
3472 | { | |
3473 | // constrain q and pT of the helical fit of the track (should be set before process.track) | |
3474 | // | |
3475 | fConstrCharge = q==0 ? q:TMath::Sign(1,q); | |
3476 | fConstrPT = pt; | |
3477 | fConstrPTErr = pterr; | |
3478 | } | |
3479 | ||
3480 | //________________________________________________________________________________________________________ | |
3481 | void AliITSAlignMille2::ConstrainHelixFitCurv(Int_t q,Double_t crv,Double_t crverr) | |
3482 | { | |
3483 | // constrain charge and curvature of the helical fit of the track (should be set before process.track) | |
3484 | // | |
3485 | const double kCQConv = 0.299792458e-3;// R = PT/Bz/fgkCQConv with GeV,kGauss,cm | |
3486 | ||
3487 | fConstrCharge = q==0 ? q:TMath::Sign(1,q); | |
3488 | if (crv<0 || IsZero(crv)) { | |
3489 | fConstrPT = -1; | |
3490 | fConstrPTErr = -1; | |
3491 | } | |
3492 | else { | |
3493 | fConstrPT = 1./crv*fBField*kCQConv; | |
3494 | fConstrPTErr =fConstrPT/crv*crverr; | |
3495 | } | |
3496 | } | |
3497 | ||
3498 | //________________________________________________________________________________________________________ | |
3499 | TClonesArray* AliITSAlignMille2::CreateDeltas() | |
3500 | { | |
3501 | // Create \Deltas for every explicitly or implicitly (via non-alignable volumes) varied | |
3502 | // or prealigned module. | |
3503 | // If the module has inded J in the hierarchy of alignable volumes (0 - the top, most | |
3504 | // coarse level), then its Delta is expressed via MP2 \deltas (in global frame) and | |
3505 | // prealignment \DeltaP's as: | |
3506 | // \Delta_J = Y X Y^-1 | |
3507 | // where X = \delta_J * \DeltaP_J | |
3508 | // Y = Prod_{K=0,J-1} \delta_K | |
3509 | // Note that \delta_L accounts not only for its own correction but also of all non-alignable | |
3510 | // modules in the hierarchy chain from L up to the closest alignable: | |
3511 | // while (parent && !parent->IsAlignable()) { | |
3512 | // \delta_L->MultiplyLeft( \delta_parent ); | |
3513 | // parent = parent->GetParent(); | |
3514 | // } | |
3515 | // | |
3516 | Bool_t convLoc = kFALSE; | |
3517 | if (!GetUseGlobalDelta()) { | |
3518 | ConvertParamsToGlobal(); | |
3519 | convLoc = kTRUE; | |
3520 | } | |
3521 | // | |
3522 | AliAlignObjParams tempAlignObj; | |
3523 | TGeoHMatrix tempMatX,tempMatY,tempMat1; | |
3524 | // | |
3525 | TClonesArray *array = new TClonesArray("AliAlignObjParams",10); | |
3526 | TClonesArray &alobj = *array; | |
3527 | int idx = 0; | |
3528 | // | |
3529 | TGeoManager* geoManager = AliGeomManager::GetGeometry(); | |
3530 | int nalgtot = geoManager->GetNAlignable(); | |
3531 | // | |
3532 | for (int ialg=0;ialg<nalgtot;ialg++) { // loop over all alignable entries | |
3533 | // | |
3534 | const char* algname = geoManager->GetAlignableEntry(ialg)->GetName(); | |
3535 | // | |
3536 | AliITSAlignMille2Module* md = GetMilleModuleBySymName(algname); // explicitly varied? | |
3537 | AliITSAlignMille2Module* parent = md ? md->GetParent(): GetMilleModuleIfContained(algname); | |
3538 | AliAlignObjParams* preob = GetPrealignedObject(algname); // was it prealigned ? | |
3539 | // | |
3540 | if (!preob && !md && (!parent || parent->IsAlignable())) continue; // noting to do | |
3541 | // | |
3542 | // create matrix X (see comment) ------------------------------------------------->>> | |
3543 | // start from unity matrix | |
3544 | tempMatX.Clear(); | |
3545 | if (preob) { // account prealigngment | |
3546 | preob->GetMatrix(tempMat1); | |
3547 | tempMatX.MultiplyLeft(&tempMat1); | |
3548 | } | |
3549 | // | |
3550 | if (md) { | |
3551 | tempAlignObj.SetTranslation( md->GetParVal(0),md->GetParVal(1),md->GetParVal(2)); | |
3552 | tempAlignObj.SetRotation( md->GetParVal(3),md->GetParVal(4),md->GetParVal(5)); | |
3553 | tempAlignObj.GetMatrix(tempMat1); | |
3554 | tempMatX.MultiplyLeft(&tempMat1); // acount correction to varied module | |
3555 | } | |
3556 | // | |
3557 | // the corrections to all non-alignable modules from current on | |
3558 | // till first alignable should add up to its matrix | |
3559 | while (parent && !parent->IsAlignable()) { | |
3560 | tempAlignObj.SetTranslation( parent->GetParVal(0),parent->GetParVal(1),parent->GetParVal(2)); | |
3561 | tempAlignObj.SetRotation( parent->GetParVal(3),parent->GetParVal(4),parent->GetParVal(5)); | |
3562 | tempAlignObj.GetMatrix(tempMat1); | |
3563 | tempMatX.MultiplyLeft(&tempMat1); // add matrix of non-alignable module | |
3564 | parent = parent->GetParent(); | |
3565 | } | |
3566 | // create matrix X (see comment) ------------------------------------------------<<< | |
3567 | // | |
3568 | // create matrix Y (see comment) ------------------------------------------------>>> | |
3569 | // start from unity matrix | |
3570 | tempMatY.Clear(); | |
3571 | while ( parent ) { | |
3572 | tempAlignObj.SetTranslation( parent->GetParVal(0),parent->GetParVal(1),parent->GetParVal(2)); | |
3573 | tempAlignObj.SetRotation( parent->GetParVal(3),parent->GetParVal(4),parent->GetParVal(5)); | |
3574 | tempAlignObj.GetMatrix(tempMat1); | |
3575 | tempMatY.MultiplyLeft(&tempMat1); | |
3576 | parent = parent->GetParent(); | |
3577 | } | |
3578 | // create matrix Y (see comment) ------------------------------------------------<<< | |
3579 | // | |
3580 | tempMatX.MultiplyLeft(&tempMatY); | |
3581 | tempMatX.Multiply(&tempMatY.Inverse()); | |
3582 | // | |
3583 | UShort_t vid = AliITSAlignMille2Module::GetVolumeIDFromSymname(algname); | |
3584 | new(alobj[idx++]) AliAlignObjParams(algname,vid,tempMatX,kTRUE); | |
3585 | // | |
3586 | } | |
3587 | // | |
3588 | if (convLoc) ConvertParamsToLocal(); | |
3589 | // | |
3590 | return array; | |
3591 | // | |
3592 | } | |
3593 | ||
3594 | //_______________________________________________________________________________________ | |
3595 | AliITSresponseSDD* AliITSAlignMille2::CreateSDDResponse() | |
3596 | { | |
3597 | // create object with SDD repsonse (t0 and vdrift corrections) accounting for | |
3598 | // eventual precalibration | |
3599 | // | |
3600 | // if there was a precalibration provided, copy it to new arrray | |
3601 | AliITSresponseSDD *precal = GetSDDPrecalibration(); | |
3602 | if (!precal) precal = GetSDDInit(); | |
3603 | AliITSresponseSDD *calibSDD = new AliITSresponseSDD(); | |
3604 | // | |
3605 | for (int ind=kSDDoffsID;ind<kSDDoffsID+kNSDDmod;ind++) { | |
3606 | calibSDD->SetModuleTimeZero(ind, precal? precal->GetTimeZero(ind) : 0.); | |
3607 | calibSDD->SetDeltaVDrift(ind, precal? precal->GetDeltaVDrift(ind) : 0.); | |
3608 | } | |
3609 | // | |
3610 | Bool_t save = kFALSE; | |
3611 | for (int imd=GetNModules();imd--;) { | |
3612 | AliITSAlignMille2Module* md = GetMilleModule(imd); | |
3613 | if (!md->IsSDD()) continue; | |
3614 | if (md->IsFreeDOF(AliITSAlignMille2Module::kDOFT0) || | |
3615 | md->IsFreeDOF(AliITSAlignMille2Module::kDOFDV)) save = kTRUE; | |
3616 | // | |
3617 | for (int is=0;is<md->GetNSensitiveVolumes();is++) { | |
3618 | int ind = md->GetSensVolIndex(is); | |
3619 | float t0 = calibSDD->GetTimeZero(ind) + md->GetParVal(AliITSAlignMille2Module::kDOFT0); | |
3620 | float dv = calibSDD->GetDeltaVDrift(ind) + md->GetParVal(AliITSAlignMille2Module::kDOFDV); | |
3621 | // | |
3622 | calibSDD->SetModuleTimeZero(ind, t0); | |
3623 | calibSDD->SetDeltaVDrift(ind, dv); | |
3624 | } | |
3625 | } | |
3626 | // | |
3627 | if (!save) { | |
3628 | AliInfo("No free parameters for SDD calibration, nothing to save"); | |
3629 | delete calibSDD; | |
3630 | calibSDD = 0; | |
3631 | } | |
3632 | // | |
3633 | return calibSDD; | |
3634 | } |