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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 | // | |
abd7ef79 | 341 | recTitle = fgkRecKeys[kInitDeltaFile]; |
6be22b3f | 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 | |
abd7ef79 | 344 | fInitDeltaPath = recOpt; |
345 | AliInfo(Form("Configuration sets Production Deltas to %s",fInitDeltaPath.Data())); | |
6be22b3f | 346 | } |
6be22b3f | 347 | // |
abd7ef79 | 348 | // if initial deltas were provided, load them, apply to geometry and store are "original" matrices |
349 | if (CacheMatricesOrig()) {stopped = kTRUE; break;} | |
6be22b3f | 350 | // |
abd7ef79 | 351 | recTitle = fgkRecKeys[kPreDeltaFile]; |
6be22b3f | 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 | |
abd7ef79 | 354 | fPreDeltaPath = recOpt; |
355 | AliInfo(Form("Configuration sets PreAlignment Deltas to %s",fPreDeltaPath.Data())); | |
6be22b3f | 356 | } |
abd7ef79 | 357 | if (LoadDeltas(fPreDeltaPath,fPrealignment)) {stopped = kTRUE; break;} |
358 | if (fPrealignment && ApplyToGeometry()) {stopped = kTRUE; break;} | |
6be22b3f | 359 | // |
360 | // | |
361 | recTitle = fgkRecKeys[kPreCalSDDFile]; | |
362 | if ( (recArr = GetConfigRecord(pfc,recTitle,recOpt,1)) && !recOpt.IsNull() ) { | |
363 | for (int i=2;i<=recArr->GetLast();i++) {recOpt += " "; recOpt += recArr->At(i)->GetName();} // in case of OCDB string | |
364 | fPreCalSDDRespPath = recOpt; | |
365 | AliInfo(Form("Configuration sets PreCalibration SDD Response to %s",fPreCalSDDRespPath.Data())); | |
366 | } | |
367 | if (LoadSDDResponse(fPreCalSDDRespPath, fCorrectSDD) ) {stopped = kTRUE; break;} | |
368 | // | |
369 | recTitle = fgkRecKeys[ kInitCalSDDFile ]; | |
370 | if ( (recArr = GetConfigRecord(pfc,recTitle,recOpt,1)) && !recOpt.IsNull()) { | |
371 | for (int i=2;i<=recArr->GetLast();i++) {recOpt += " "; recOpt += recArr->At(i)->GetName();} // in case of OCDB string | |
372 | fInitSDDRespPath = recOpt; | |
373 | AliInfo(Form("Configuration sets Production SDD Response to %s",fInitSDDRespPath.Data())); | |
374 | } | |
375 | if (LoadSDDResponse(fInitSDDRespPath, fInitialRecSDD) ) {stopped = kTRUE; break;} | |
376 | // | |
377 | // | |
378 | recTitle = fgkRecKeys[ kGlobalDeltas ]; | |
379 | if ( GetConfigRecord(pfc,recTitle,recOpt,1) ) SetUseGlobalDelta(kTRUE); | |
380 | // | |
381 | // =========== 2: see if there are local gaussian constraints defined ===================== | |
382 | // Note that they should be loaded before the modules declaration | |
383 | // | |
384 | recTitle = fgkRecKeys[ kConstrLocal ]; | |
385 | while( (recArr=GetConfigRecord(pfc,recTitle,recOpt,0)) ) { | |
386 | nrecElems = recArr->GetLast()+1; | |
387 | if (recOpt.IsFloat()) {stopped = kTRUE; break;} // wrong name | |
388 | if (GetConstraint(recOpt.Data())) { | |
389 | AliError(Form("Existing constraint %s repeated",recOpt.Data())); | |
390 | stopped = kTRUE; break; | |
391 | } | |
392 | recExt = recArr->At(2)->GetName(); | |
393 | if (!recExt.IsFloat()) {stopped = kTRUE; break;} | |
394 | double val = recExt.Atof(); | |
395 | recExt = recArr->At(3)->GetName(); | |
396 | if (!recExt.IsFloat()) {stopped = kTRUE; break;} | |
397 | double err = recExt.Atof(); | |
398 | int nwgh = nrecElems - 4; | |
399 | double *wgh = new double[nwgh]; | |
400 | for (nwgh=0,irec=4;irec<nrecElems;irec++) { | |
401 | recExt = recArr->At(irec)->GetName(); | |
402 | if (!recExt.IsFloat()) {stopped = kTRUE; break;} | |
403 | wgh[nwgh++] = recExt.Atof(); | |
404 | } | |
405 | if (stopped) {delete[] wgh; break;} | |
406 | // | |
407 | ConstrainLocal(recOpt.Data(),wgh,nwgh,val,err); | |
408 | delete[] wgh; | |
409 | // | |
410 | } // end while for loop over local constraints | |
411 | if (stopped) break; | |
412 | // | |
413 | // =========== 3: now read modules to align =================================== | |
414 | // | |
415 | rewind(pfc); | |
416 | while( (recArr=GetConfigRecord(pfc,recTitle="",recOpt,0)) ) { | |
417 | if (!(recTitle==fgkRecKeys[ kModVolID ] || recTitle==fgkRecKeys[ kModIndex ])) continue; | |
418 | // Expected format: MODULE id tolX tolY tolZ tolPsi tolTh tolPhi [[sigX sigY sigZ] extra params] | |
419 | // where tol* is the tolerance (sigma) for given DOF. 0 means fixed | |
420 | // sig* is the scaling parameters for the errors of the clusters of this module | |
421 | // extra params are defined for specific modules, e.g. t0 and vdrift corrections of SDD | |
422 | // | |
423 | nrecElems = recArr->GetLast()+1; | |
424 | if (nrecElems<2 || !recOpt.IsDigit()) {stopped = kTRUE; break;} | |
425 | int idx = recOpt.Atoi(); | |
426 | UShort_t voluid = (idx<=kMaxITSSensID) ? GetModuleVolumeID(idx) : idx; | |
427 | AliITSAlignMille2Module* mod = 0; | |
428 | // | |
429 | if (voluid>=kMinITSSupeModuleID) { // custom supermodule | |
430 | for (int j=0; j<fNSuperModules; j++) { | |
431 | if (voluid==GetSuperModule(j)->GetVolumeID()) { | |
432 | mod = new AliITSAlignMille2Module(*GetSuperModule(j)); | |
433 | // the matrix might be updated in case some prealignment was applied, check | |
434 | TGeoHMatrix* mup = AliGeomManager::GetMatrix(mod->GetName()); | |
435 | if (mup) *(mod->GetMatrix()) = *mup; | |
436 | fMilleModule.AddAtAndExpand(mod,fNModules); | |
437 | break; | |
438 | } | |
439 | } | |
440 | } | |
441 | else if (idx<=kMaxITSSensVID) { | |
442 | mod = new AliITSAlignMille2Module(voluid); | |
443 | fMilleModule.AddAtAndExpand(mod,fNModules); | |
444 | } | |
445 | if (!mod) {stopped = kTRUE; break;} // bad volid | |
446 | // | |
447 | // geometry variation settings | |
448 | for (int i=0;i<AliITSAlignMille2Module::kMaxParGeom;i++) { | |
449 | irec = i+2; | |
450 | if (irec >= nrecElems) break; | |
451 | recExt = recArr->At(irec)->GetName(); | |
452 | if (!recExt.IsFloat()) {stopped = kTRUE; break;} | |
453 | mod->SetFreeDOF(i, recExt.Atof() ); | |
454 | } | |
455 | if (stopped) break; | |
456 | // | |
457 | // scaling factors for cluster errors | |
458 | // first set default ones | |
459 | for (int i=0;i<3;i++) mod->SetSigmaFactor(i, fSigmaFactor[i]); | |
460 | for (int i=0;i<3;i++) { | |
461 | irec = i+8; | |
462 | if (irec >= nrecElems) break; | |
463 | recExt = recArr->At(irec)->GetName(); | |
464 | if (!recExt.IsFloat()) {stopped = kTRUE; break;} | |
465 | mod->SetSigmaFactor(i, recExt.Atof() ); | |
466 | } | |
467 | if (stopped) break; | |
468 | // | |
469 | mod->SetGeomParamsGlobal(fUseGlobalDelta); | |
470 | // now comes special detectors treatment | |
471 | if (mod->IsSDD()) { | |
472 | double vl = 0; | |
473 | if (nrecElems>11) { | |
474 | recExt = recArr->At(11)->GetName(); | |
475 | if (recExt.IsFloat()) vl = recExt.Atof(); | |
476 | else {stopped = kTRUE; break;} | |
477 | irec = 11; | |
478 | } | |
479 | mod->SetFreeDOF(AliITSAlignMille2Module::kDOFT0,vl); | |
480 | // | |
481 | vl = 0; | |
482 | if (nrecElems>12) { | |
483 | recExt = recArr->At(12)->GetName(); | |
484 | if (recExt.IsFloat()) vl = recExt.Atof(); | |
485 | else {stopped = kTRUE; break;} | |
486 | irec = 12; | |
487 | } | |
488 | mod->SetFreeDOF(AliITSAlignMille2Module::kDOFDV,vl); | |
489 | } | |
490 | // | |
491 | mod->SetUniqueID(fNModules); | |
492 | mod->EvaluateDOF(); | |
493 | fNModules++; | |
494 | // | |
495 | // now check if there are local constraints on this module | |
496 | for (++irec;irec<nrecElems;irec++) { | |
497 | recExt = recArr->At(irec)->GetName(); | |
498 | if (recExt.IsFloat()) {stopped=kTRUE;break;} | |
499 | AliITSAlignMille2ConstrArray* cstr = (AliITSAlignMille2ConstrArray*)GetConstraint(recExt.Data()); | |
500 | if (!cstr) { | |
501 | AliInfo(Form("No Local constraint %s was declared",recExt.Data())); | |
502 | stopped=kTRUE; | |
503 | break; | |
504 | } | |
505 | cstr->AddModule(mod); | |
506 | } | |
507 | if (stopped) break; | |
508 | } // end while for loop over modules | |
509 | if (stopped) break; | |
510 | // | |
511 | if (fNModules==0) {AliError("Failed to find any MODULE"); stopped = kTRUE; break;} | |
512 | BuildHierarchy(); // preprocess loaded modules | |
513 | // | |
514 | // =========== 4: the rest may come in arbitrary order ======================================= | |
515 | rewind(pfc); | |
516 | while ( (recArr=GetConfigRecord(pfc,recTitle="",recOpt,0))!=0 ) { | |
517 | // | |
518 | nrecElems = recArr->GetLast()+1; | |
519 | // | |
520 | // some simple flags ----------------------------------------------------------------------- | |
521 | // | |
522 | if (recTitle == fgkRecKeys[ kPseudoParents ]) SetAllowPseudoParents(kTRUE); | |
523 | // | |
524 | // some optional parameters ---------------------------------------------------------------- | |
525 | else if (recTitle == fgkRecKeys[ kTrackFitMethod ]) { | |
526 | if (recOpt.IsNull() || !recOpt.IsDigit() ) {stopped = kTRUE; break;} | |
527 | SetInitTrackParamsMeth(recOpt.Atoi()); | |
528 | } | |
529 | // | |
530 | else if (recTitle == fgkRecKeys[ kMinPntTrack ]) { | |
531 | if (recOpt.IsNull() || !recOpt.IsDigit() ) {stopped = kTRUE; break;} | |
532 | fMinNPtsPerTrack = recOpt.Atoi(); | |
533 | } | |
534 | // | |
535 | else if (recTitle == fgkRecKeys[ kNStDev ]) { | |
536 | if (recOpt.IsNull() || !recOpt.IsFloat() ) {stopped = kTRUE; break;} | |
537 | fNStdDev = (Int_t)recOpt.Atof(); | |
538 | } | |
539 | // | |
540 | else if (recTitle == fgkRecKeys[ kResCutInit ]) { | |
541 | if (recOpt.IsNull() || !recOpt.IsFloat() ) {stopped = kTRUE; break;} | |
542 | fResCutInitial = recOpt.Atof(); | |
543 | } | |
544 | // | |
545 | else if (recTitle == fgkRecKeys[ kResCutOther ]) { | |
546 | if (recOpt.IsNull() || !recOpt.IsFloat() ) {stopped = kTRUE; break;} | |
547 | fResCut = recOpt.Atof(); | |
548 | } | |
549 | // | |
550 | else if (recTitle == fgkRecKeys[ kLocalSigFactor ]) { //------------------------- | |
551 | for (irec=0;irec<3;irec++) if (nrecElems>irec+1) { | |
552 | fSigmaFactor[irec] = ((TObjString*)recArr->At(irec+1))->GetString().Atof(); | |
553 | if (fSigmaFactor[irec]<=0.) stopped = kTRUE; | |
554 | } | |
555 | if (stopped) break; | |
556 | } | |
557 | // | |
558 | else if (recTitle == fgkRecKeys[ kStartFactor ]) { //------------------------- | |
559 | if (recOpt.IsNull() || !recOpt.IsFloat() ) {stopped = kTRUE; break;} | |
560 | fStartFac = recOpt.Atof(); | |
561 | } | |
562 | // | |
563 | // pepo2708909 | |
564 | else if (recTitle == fgkRecKeys[ kExtraClustersMode ]) { //------------------------- | |
565 | if (recOpt.IsNull() || !recOpt.IsDigit() ) {stopped = kTRUE; break;} | |
566 | fExtraClustersMode = recOpt.Atoi(); | |
567 | } | |
568 | // endpepo270809 | |
569 | // | |
570 | else if (recTitle == fgkRecKeys[ kBField ]) { //------------------------- | |
571 | if (recOpt.IsNull() || !recOpt.IsFloat() ) {stopped = kTRUE; break;} | |
572 | SetBField( recOpt.Atof() ); | |
573 | } | |
574 | // | |
575 | else if (recTitle == fgkRecKeys[ kSparseMatrix ]) { // matrix solver type | |
576 | // | |
577 | AliMillePede2::SetGlobalMatSparse(kTRUE); | |
578 | if (recOpt.IsNull()) continue; | |
579 | // solver type and settings | |
580 | if (recOpt == "MINRES") AliMillePede2::SetIterSolverType( AliMinResSolve::kSolMinRes ); | |
581 | else if (recOpt == "FGMRES") AliMillePede2::SetIterSolverType( AliMinResSolve::kSolFGMRes ); | |
582 | else {stopped = kTRUE; break;} | |
583 | // | |
584 | if (nrecElems>=3) { // preconditioner type | |
585 | recExt = recArr->At(2)->GetName(); | |
586 | if (!recExt.IsDigit()) {stopped = kTRUE; break;} | |
587 | AliMillePede2::SetMinResPrecondType( recExt.Atoi() ); | |
588 | } | |
589 | // | |
590 | if (nrecElems>=4) { // tolerance | |
591 | recExt = recArr->At(3)->GetName(); | |
592 | if (!recExt.IsFloat()) {stopped = kTRUE; break;} | |
593 | AliMillePede2::SetMinResTol( recExt.Atof() ); | |
594 | } | |
595 | // | |
596 | if (nrecElems>=5) { // maxIter | |
597 | recExt = recArr->At(4)->GetName(); | |
598 | if (!recExt.IsDigit()) {stopped = kTRUE; break;} | |
599 | AliMillePede2::SetMinResMaxIter( recExt.Atoi() ); | |
600 | } | |
601 | } | |
602 | // | |
603 | else if (recTitle == fgkRecKeys[ kRequirePoint ]) { //------------------------- | |
604 | // syntax: REQUIRE_POINT where ndet updw nreqpts | |
605 | // where = LAYER or DETECTOR | |
606 | // ndet = detector number: 1-6 for LAYER and 1-3 for DETECTOR (SPD=1, SDD=2, SSD=3) | |
607 | // updw = 1 for Y>0, -1 for Y<0, 0 if not specified | |
608 | // nreqpts = minimum number of points of that type | |
609 | if (nrecElems>=5) { | |
610 | recOpt.ToUpper(); | |
611 | int lr = ((TObjString*)recArr->At(2))->GetString().Atoi() - 1; | |
612 | int hb = ((TObjString*)recArr->At(3))->GetString().Atoi(); | |
613 | int np = ((TObjString*)recArr->At(4))->GetString().Atoi(); | |
614 | fRequirePoints = kTRUE; | |
615 | if (recOpt == "LAYER") { | |
616 | if (lr<0 || lr>5) {stopped = kTRUE; break;} | |
617 | if (hb>0) fNReqLayUp[lr] = np; | |
618 | else if (hb<0) fNReqLayDown[lr] = np; | |
619 | else fNReqLay[lr] = np; | |
620 | } | |
621 | else if (recOpt == "DETECTOR") { | |
622 | if (lr<0 || lr>2) {stopped = kTRUE; break;} | |
623 | if (hb>0) fNReqDetUp[lr] = np; | |
624 | else if (hb<0) fNReqDetDown[lr] = np; | |
625 | else fNReqDet[lr] = np; | |
626 | } | |
627 | else {stopped = kTRUE; break;} | |
628 | } | |
629 | else {stopped = kTRUE; break;} | |
630 | } | |
631 | // | |
632 | // global constraints on the subunits/orphans | |
633 | else if (recTitle == fgkRecKeys[ kConstrOrphans ]) { //------------------------ | |
634 | // expect CONSTRAINT_ORPHANS MEAN/MEDIAN Value parID0 ... parID1 ... | |
635 | if (nrecElems<4) {stopped = kTRUE; break;} | |
636 | recExt = recArr->At(2)->GetName(); | |
637 | if (!recExt.IsFloat()) {stopped = kTRUE; break;} | |
638 | double val = recExt.Atof(); | |
639 | UInt_t pattern = 0; | |
640 | for (irec=3;irec<nrecElems;irec++) { // read params to constraint | |
641 | recExt = recArr->At(irec)->GetName(); | |
642 | if (!recExt.IsDigit()) {stopped = kTRUE; break;} | |
643 | pattern |= 0x1 << recExt.Atoi(); | |
644 | } | |
645 | if (stopped) break; | |
646 | if (recOpt == "MEAN") ConstrainOrphansMean(val,pattern); | |
647 | else if (recOpt == "MEDIAN") ConstrainOrphansMedian(val,pattern); | |
648 | else {stopped = kTRUE; break;} | |
649 | } | |
650 | // | |
651 | else if (recTitle == fgkRecKeys[ kConstrSubunits ]) { //------------------------ | |
652 | // expect ONSTRAINT_SUBUNITS MEAN/MEDIAN Value parID0 ... parID1 ... VolID1 ... VolIDn - VolIDm | |
653 | if (nrecElems<5) {stopped = kTRUE; break;} | |
654 | recExt = recArr->At(2)->GetName(); | |
655 | if (!recExt.IsFloat()) {stopped = kTRUE; break;} | |
656 | double val = recExt.Atof(); | |
657 | UInt_t pattern = 0; | |
658 | for (irec=3;irec<nrecElems;irec++) { // read params to constraint | |
659 | recExt = recArr->At(irec)->GetName(); | |
660 | if (!recExt.IsDigit()) {stopped = kTRUE; break;} | |
661 | int parid = recExt.Atoi(); | |
662 | if (parid<kMaxITSSensID) pattern |= 0x1 << recExt.Atoi(); | |
663 | else break; // list of params is over | |
664 | } | |
665 | if (stopped) break; | |
666 | // | |
667 | Bool_t meanC; | |
668 | if (recOpt == "MEAN") meanC = kTRUE; | |
669 | else if (recOpt == "MEDIAN") meanC = kFALSE; | |
670 | else {stopped = kTRUE; break;} | |
671 | // | |
672 | int curID = -1; | |
673 | int rangeStart = -1; | |
674 | for (;irec<nrecElems;irec++) { // read modules to apply this constraint | |
675 | recExt = recArr->At(irec)->GetName(); | |
676 | if (recExt == "-") {rangeStart = curID; continue;} // range is requested | |
677 | else if (!recExt.IsDigit()) {stopped = kTRUE; break;} | |
678 | else curID = recExt.Atoi(); | |
679 | // | |
680 | if (curID<=kMaxITSSensID) curID = GetModuleVolumeID(curID); | |
681 | // this was a range start or single | |
682 | int start; | |
683 | if (rangeStart>=0) {start = rangeStart+1; rangeStart=-1;} // continue the range | |
684 | else start = curID; // create constraint either for single module (or 1st in the range) | |
685 | for (int id=start;id<=curID;id++) { | |
686 | int id0 = IsVIDDefined(id); | |
687 | if (id0<0) {AliDebug(3,Form("Undefined module %d requested in the SubUnits constraint, skipping",id)); continue;} | |
688 | if (meanC) ConstrainModuleSubUnitsMean(id0,val,pattern); | |
689 | else ConstrainModuleSubUnitsMedian(id0,val,pattern); | |
690 | } | |
691 | } | |
692 | if (rangeStart>=0) stopped = kTRUE; // unfinished range | |
693 | if (stopped) break; | |
694 | } | |
695 | // | |
696 | // association of modules with local constraints | |
697 | else if (recTitle == fgkRecKeys[ kApplyConstr ]) { //------------------------ | |
698 | // expect APPLY_CONSTRAINT NAME [NAME1...] [VolID1 ... VolIDn - VolIDm] | |
699 | if (nrecElems<3) {stopped = kTRUE; break;} | |
700 | int nmID0=-1,nmID1=-1; | |
701 | for (irec=1;irec<nrecElems;irec++) { // find the range of constraint names | |
702 | recExt = recArr->At(irec)->GetName(); | |
703 | if (recExt.IsFloat()) break; | |
704 | // check if such a constraint was declared | |
705 | if (!GetConstraint(recExt.Data())) { | |
706 | AliInfo(Form("No Local constraint %s was declared",recExt.Data())); | |
707 | stopped=kTRUE; | |
708 | break; | |
709 | } | |
710 | if (nmID0<0) nmID0 = irec; | |
711 | nmID1 = irec; | |
712 | } | |
713 | if (stopped) break; | |
714 | // | |
715 | if (irec>=nrecElems) {stopped = kTRUE; break;} // no modules provided | |
716 | // | |
717 | // now read the list of modules to constrain | |
718 | int curID = -1; | |
719 | int rangeStart = -1; | |
720 | for (;irec<nrecElems;irec++) { // read modules to apply this constraint | |
721 | recExt = recArr->At(irec)->GetName(); | |
722 | if (recExt == "-") {rangeStart = curID; continue;} // range is requested | |
723 | else if (!recExt.IsDigit()) {stopped = kTRUE; break;} | |
724 | else curID = recExt.Atoi(); | |
725 | // | |
726 | if (curID<=kMaxITSSensID) curID = GetModuleVolumeID(curID); | |
727 | // | |
728 | // this was a range start or single | |
729 | int start; | |
730 | if (rangeStart>=0) {start = rangeStart+1; rangeStart=-1;} // continue the range | |
731 | else start = curID; // create constraint either for single module (or 1st in the range) | |
732 | for (int id=start;id<=curID;id++) { | |
733 | AliITSAlignMille2Module *md = GetMilleModuleByVID(id); | |
734 | if (!md) {AliDebug(3,Form("Undefined module %d requested in the Local constraint, skipping",id)); continue;} | |
735 | for (int nmid=nmID0;nmid<=nmID1;nmid++) | |
736 | ((AliITSAlignMille2ConstrArray*)GetConstraint(recArr->At(nmid)->GetName()))->AddModule(md); | |
737 | } | |
738 | } | |
739 | if (rangeStart>=0) stopped = kTRUE; // unfinished range | |
740 | if (stopped) break; | |
741 | } | |
742 | // Do we use new TrackPointArray fitter ? | |
743 | else if (recTitle == fgkRecKeys[ kTPAFitter ]) { | |
744 | // expect SET_TPAFITTER | |
745 | fTPAFitter = new AliITSTPArrayFit(kNLocal); | |
746 | } | |
747 | // Do we use new local Y errors? | |
748 | else if (recTitle == fgkRecKeys[ kUseLocalYErr ]) { | |
749 | // expect SET_TPAFITTER | |
750 | fUseLocalYErr = kTRUE; | |
751 | } | |
752 | // | |
753 | else if (recTitle == fgkRecKeys[ kMinPointsSens ]) { //------------------------- | |
754 | if (recOpt.IsNull() || !recOpt.IsDigit() ) {stopped = kTRUE; break;} | |
755 | SetMinPointsPerSensor( recOpt.Atoi() ); | |
756 | } | |
757 | // | |
758 | else continue; // already processed record | |
759 | // | |
760 | } // end of while loop 4 over the various params | |
761 | // | |
762 | break; | |
763 | } // end of while(1) loop | |
764 | // | |
765 | fclose(pfc); | |
766 | if (stopped) { | |
767 | AliError(Form("Failed on record %s %s ...\n",recTitle.Data(),recOpt.Data())); | |
768 | return -1; | |
769 | } | |
770 | // | |
abd7ef79 | 771 | if (CacheMatricesCurr()) return -1; |
6be22b3f | 772 | SetUseLocalYErrors(fUseLocalYErr); // YErr used only with TPAFitter |
773 | fIsConfigured = kTRUE; | |
774 | return 0; | |
775 | } | |
776 | ||
777 | //________________________________________________________________________________________________________ | |
778 | void AliITSAlignMille2::BuildHierarchy() | |
779 | { | |
780 | // build the hieararhy of the modules to align | |
781 | // | |
782 | if (!GetUseGlobalDelta() && PseudoParentsAllowed()) { | |
783 | AliInfo("PseudoParents mode is allowed only when the deltas are global\n" | |
784 | "Since Deltas are local, switching to NoPseudoParents"); | |
785 | SetAllowPseudoParents(kFALSE); | |
786 | } | |
787 | // set parent/child relationship for modules to align | |
788 | AliInfo("Setting parent/child relationships\n"); | |
789 | // | |
790 | // 1) child -> parent reference | |
791 | for (int ipar=0;ipar<fNModules;ipar++) { | |
792 | AliITSAlignMille2Module* parent = GetMilleModule(ipar); | |
793 | if (parent->IsSensor()) continue; // sensor cannot be a parent | |
794 | // | |
795 | for (int icld=0;icld<fNModules;icld++) { | |
796 | if (icld==ipar) continue; | |
797 | AliITSAlignMille2Module* child = GetMilleModule(icld); | |
798 | if (!child->BelongsTo(parent)) continue; | |
799 | // child cannot have more sensors than the parent | |
800 | if (child->GetNSensitiveVolumes() > parent->GetNSensitiveVolumes()) continue; | |
801 | // | |
802 | AliITSAlignMille2Module* parOld = child->GetParent(); | |
803 | // is this parent candidate closer than the old parent ? | |
804 | if (parOld && parOld->GetNSensitiveVolumes()<parent->GetNSensitiveVolumes()) continue; // parOld is closer | |
805 | child->SetParent(parent); | |
806 | } | |
807 | // | |
808 | } | |
809 | // | |
810 | // add parent -> children reference | |
811 | for (int icld=0;icld<fNModules;icld++) { | |
812 | AliITSAlignMille2Module* child = GetMilleModule(icld); | |
813 | AliITSAlignMille2Module* parent = child->GetParent(); | |
814 | if (parent) parent->AddChild(child); | |
815 | } | |
816 | // | |
817 | // reorder the modules in such a way that parents come first | |
818 | for (int icld=0;icld<fNModules;icld++) { | |
819 | AliITSAlignMille2Module* child = GetMilleModule(icld); | |
820 | AliITSAlignMille2Module* parent; | |
821 | while ( (parent=child->GetParent()) && (parent->GetUniqueID()>child->GetUniqueID()) ) { | |
822 | // swap | |
823 | fMilleModule[icld] = parent; | |
824 | fMilleModule[parent->GetUniqueID()] = child; | |
825 | child->SetUniqueID(parent->GetUniqueID()); | |
826 | parent->SetUniqueID(icld); | |
827 | child = parent; | |
828 | } | |
829 | // | |
830 | } | |
831 | // | |
832 | // Go over the child->parent chain and mark modules with explicitly provided sensors. | |
833 | // If the sensors of the unit are explicitly declared, all undeclared sensors are | |
834 | // suppresed in this unit. | |
835 | for (int icld=fNModules;icld--;) { | |
836 | AliITSAlignMille2Module* child = GetMilleModule(icld); | |
837 | AliITSAlignMille2Module* parent = child->GetParent(); | |
838 | if (!parent) continue; | |
839 | // | |
840 | // check if this parent was already processed | |
841 | if (!parent->AreSensorsProvided()) { | |
842 | parent->DelSensitiveVolumes(); | |
843 | parent->SetSensorsProvided(kTRUE); | |
844 | } | |
845 | // reattach sensors to parent | |
846 | for (int isc=child->GetNSensitiveVolumes();isc--;) { | |
847 | UShort_t senVID = child->GetSensVolVolumeID(isc); | |
848 | if (!parent->IsIn(senVID)) parent->AddSensitiveVolume(senVID); | |
849 | } | |
850 | } | |
851 | // | |
852 | } | |
853 | ||
854 | // pepo | |
855 | //________________________________________________________________________________________________________ | |
856 | void AliITSAlignMille2::SetCurrentModule(Int_t id) | |
857 | { | |
858 | // set the current supermodule | |
859 | // new meaning | |
860 | if (fMilleVersion>=2) { | |
861 | fCurrentModule = GetMilleModule(id); | |
862 | return; | |
863 | } | |
864 | // old meaning | |
865 | if (fMilleVersion<=1) { | |
866 | Int_t index=id; | |
867 | /// set as current the SuperModule that contains the 'index' sens.vol. | |
868 | if (index<0 || index>2197) { | |
869 | AliInfo("index does not correspond to a sensitive volume!"); | |
870 | return; | |
871 | } | |
872 | UShort_t voluid=AliITSAlignMille2Module::GetVolumeIDFromIndex(index); | |
873 | Int_t k=IsContained(voluid); | |
874 | if (k>=0){ | |
875 | fCurrentSensID = index; | |
876 | fCluster.SetVolumeID(voluid); | |
877 | fCluster.SetXYZ(0,0,0); | |
878 | InitModuleParams(); | |
879 | } | |
880 | else | |
881 | AliInfo(Form("module %d not defined\n",index)); | |
882 | } | |
883 | } | |
884 | // endpepo | |
885 | //________________________________________________________________________________________________________ | |
886 | void AliITSAlignMille2::SetRequiredPoint(Char_t* where, Int_t ndet, Int_t updw, Int_t nreqpts) | |
887 | { | |
888 | // set minimum number of points in specific detector or layer | |
889 | // where = LAYER or DETECTOR | |
890 | // ndet = detector number: 1-6 for LAYER and 1-3 for DETECTOR (SPD=1, SDD=2, SSD=3) | |
891 | // updw = 1 for Y>0, -1 for Y<0, 0 if not specified | |
892 | // nreqpts = minimum number of points of that type | |
893 | ndet--; | |
894 | if (strstr(where,"LAYER")) { | |
895 | if (ndet<0 || ndet>5) return; | |
896 | if (updw>0) fNReqLayUp[ndet]=nreqpts; | |
897 | else if (updw<0) fNReqLayDown[ndet]=nreqpts; | |
898 | else fNReqLay[ndet]=nreqpts; | |
899 | fRequirePoints=kTRUE; | |
900 | } | |
901 | else if (strstr(where,"DETECTOR")) { | |
902 | if (ndet<0 || ndet>2) return; | |
903 | if (updw>0) fNReqDetUp[ndet]=nreqpts; | |
904 | else if (updw<0) fNReqDetDown[ndet]=nreqpts; | |
905 | else fNReqDet[ndet]=nreqpts; | |
906 | fRequirePoints=kTRUE; | |
907 | } | |
908 | } | |
909 | ||
910 | //________________________________________________________________________________________________________ | |
911 | Int_t AliITSAlignMille2::GetModuleIndex(const Char_t *symname) | |
912 | { | |
913 | /// index from symname | |
914 | if (!symname) return -1; | |
915 | for (Int_t i=0;i<=kMaxITSSensID; i++) { | |
916 | if (!strcmp(symname,AliITSgeomTGeo::GetSymName(i))) return i; | |
917 | } | |
918 | return -1; | |
919 | } | |
920 | ||
921 | //________________________________________________________________________________________________________ | |
922 | Int_t AliITSAlignMille2::GetModuleIndex(UShort_t voluid) | |
923 | { | |
924 | /// index from volume ID | |
925 | AliGeomManager::ELayerID lay = AliGeomManager::VolUIDToLayer(voluid); | |
926 | if (lay<1|| lay>6) return -1; | |
927 | Int_t idx=Int_t(voluid)-2048*lay; | |
928 | if (idx>=AliGeomManager::LayerSize(lay)) return -1; | |
929 | for (Int_t ilay=1; ilay<lay; ilay++) | |
930 | idx += AliGeomManager::LayerSize(ilay); | |
931 | return idx; | |
932 | } | |
933 | ||
934 | //________________________________________________________________________________________________________ | |
935 | UShort_t AliITSAlignMille2::GetModuleVolumeID(const Char_t *symname) | |
936 | { | |
937 | /// volume ID from symname | |
938 | /// works for sensitive volumes only | |
939 | if (!symname) return 0; | |
940 | ||
941 | for (UShort_t voluid=2000; voluid<13300; voluid++) { | |
942 | Int_t modId; | |
943 | AliGeomManager::ELayerID layerId = AliGeomManager::VolUIDToLayer(voluid,modId); | |
944 | if (layerId>0 && layerId<7 && modId>=0 && modId<AliGeomManager::LayerSize(layerId)) { | |
945 | if (!strcmp(symname,AliGeomManager::SymName(layerId,modId))) return voluid; | |
946 | } | |
947 | } | |
948 | ||
949 | return 0; | |
950 | } | |
951 | ||
952 | //________________________________________________________________________________________________________ | |
953 | UShort_t AliITSAlignMille2::GetModuleVolumeID(Int_t index) | |
954 | { | |
955 | /// volume ID from index | |
956 | if (index<0) return 0; | |
957 | if (index<2198) | |
958 | return GetModuleVolumeID(AliITSgeomTGeo::GetSymName(index)); | |
959 | else { | |
960 | for (int i=0; i<fNSuperModules; i++) { | |
961 | if (GetSuperModule(i)->GetIndex()==index) return GetSuperModule(i)->GetVolumeID(); | |
962 | } | |
963 | } | |
964 | return 0; | |
965 | } | |
966 | ||
967 | //________________________________________________________________________________________________________ | |
968 | Int_t AliITSAlignMille2::InitGeometry() | |
969 | { | |
970 | /// initialize geometry | |
971 | AliInfo("Loading initial geometry"); | |
972 | if (!fGeometryPath.IsNull() && gSystem->AccessPathName(fGeometryPath.Data()) ) { | |
973 | AliError(Form("Explicitly provided geometry file %s is not accessible",fGeometryPath.Data())); | |
974 | return -1; | |
975 | } | |
976 | // | |
977 | AliGeomManager::LoadGeometry(fGeometryPath.Data()); | |
978 | fGeoManager = AliGeomManager::GetGeometry(); | |
979 | if (!fGeoManager) { | |
980 | AliInfo("Couldn't initialize geometry"); | |
981 | return -1; | |
982 | } | |
983 | return 0; | |
984 | } | |
985 | ||
986 | //________________________________________________________________________________________________________ | |
987 | Int_t AliITSAlignMille2::SetConstraintWrtRef(const char* reffname) | |
988 | { | |
989 | // Load the global deltas from this file. The local gaussian constraints on some modules | |
990 | // will be defined with respect to the deltas from this reference file, converted to local | |
991 | // delta format. Note: conversion to local format requires reloading the geometry! | |
992 | // | |
993 | AliInfo(Form("Loading reference deltas for local constraints from %s",reffname)); | |
994 | if (!fGeoManager) return -1; | |
995 | fConstrRefPath = reffname; | |
996 | if (fConstrRefPath == "IDEAL") { // the reference is the ideal geometry, just create dummy reference array | |
997 | fConstrRef = new TClonesArray("AliAlignObjParams",1); | |
998 | return 0; | |
999 | } | |
1000 | if (LoadDeltas(fConstrRefPath,fConstrRef)) return -1; | |
1001 | // | |
1002 | // we need ideal geometry to convert global deltas to local ones | |
1003 | if (fUsePreAlignment) { | |
1004 | AliError("The call of SetConstraintWrtRef must be done before application of the prealignment"); | |
1005 | return -1; | |
1006 | } | |
1007 | // | |
1008 | AliInfo("Converting global reference deltas to local ones"); | |
1009 | Int_t nprea = fConstrRef->GetEntriesFast(); | |
1010 | for (int ix=0; ix<nprea; ix++) { | |
1011 | AliAlignObjParams *preo=(AliAlignObjParams*) fConstrRef->At(ix); | |
1012 | if (!preo->ApplyToGeometry()) return -1; | |
1013 | } | |
1014 | // | |
1015 | // now convert the global reference deltas to local ones | |
1016 | for (int i=fConstrRef->GetEntriesFast();i--;) { | |
1017 | AliAlignObjParams *preo = (AliAlignObjParams*)fConstrRef->At(i); | |
1018 | TGeoHMatrix * mupd = AliGeomManager::GetMatrix(preo->GetSymName()); | |
1019 | if (!mupd) { // this is not alignable entry, need to look in the supermodules | |
1020 | for (int im=fNSuperModules;im--;) { | |
1021 | AliITSAlignMille2Module* mod = GetSuperModule(im); | |
1022 | if ( strcmp(mod->GetName(), preo->GetSymName()) ) continue; | |
1023 | mupd = mod->GetMatrix(); | |
1024 | break; | |
1025 | } | |
1026 | if (!mupd) { | |
1027 | AliError(Form("Failed to find the volume for reference %s",preo->GetSymName())); | |
1028 | return -1; | |
1029 | } | |
1030 | } | |
1031 | TGeoHMatrix preMat; | |
1032 | preo->GetMatrix(preMat); // Delta_Glob | |
1033 | TGeoHMatrix tmpMat = *mupd; // Delta_Glob * Delta_Glob_Par * M | |
1034 | preMat.MultiplyLeft( &tmpMat.Inverse() ); // M^-1 * Delta_Glob_Par^-1 = (Delta_Glob_Par * M)^-1 | |
1035 | tmpMat.MultiplyLeft( &preMat ); // (Delta_Glob_Par * M)^-1 * Delta_Glob * Delta_Glob_Par * M = Delta_loc | |
1036 | preo->SetMatrix(tmpMat); // local corrections | |
1037 | } | |
1038 | // | |
1039 | // we need to reload the geometry spoiled by this reference deltas... | |
1040 | delete fGeoManager; | |
1041 | AliInfo("Reloading initial geometry"); | |
1042 | return InitGeometry(); | |
1043 | // | |
1044 | } | |
1045 | ||
1046 | //________________________________________________________________________________________________________ | |
1047 | void AliITSAlignMille2::Init() | |
1048 | { | |
1049 | // perform global initialization | |
1050 | // | |
1051 | if (fIsMilleInit) { | |
1052 | AliInfo("Millepede has been already initialized!"); | |
1053 | return; | |
1054 | } | |
1055 | // range constraints in such a way that the childs are constrained before their parents | |
1056 | // orphan constraints come last | |
1057 | for (int ic=0;ic<GetNConstraints();ic++) { | |
1058 | for (int ic1=ic+1;ic1<GetNConstraints();ic1++) { | |
1059 | AliITSAlignMille2Constraint *cst0 = GetConstraint(ic); | |
1060 | AliITSAlignMille2Constraint *cst1 = GetConstraint(ic1); | |
1061 | if (cst0->GetModuleID()<cst1->GetModuleID()) { | |
1062 | // swap | |
1063 | fConstraints[ic] = cst1; | |
1064 | fConstraints[ic1] = cst0; | |
1065 | } | |
1066 | } | |
1067 | } | |
1068 | // | |
1069 | if (!GetUseGlobalDelta()) { | |
1070 | AliInfo("ATTENTION: The parameters are defined in the local frame, no check for degeneracy will be done"); | |
1071 | for (int imd=fNModules;imd--;) { | |
1072 | AliITSAlignMille2Module* mod = GetMilleModule(imd); | |
1073 | int npar = mod->GetNParTot(); | |
1074 | // the parameter may have max 1 free instance, otherwise the equations are underdefined | |
1075 | for (int ipar=0;ipar<npar;ipar++) { | |
1076 | if (!mod->IsFreeDOF(ipar)) continue; | |
1077 | mod->SetParOffset(ipar,fNGlobal++); | |
1078 | } | |
1079 | } | |
1080 | } | |
1081 | else { | |
1082 | // init millepede, decide which parameters are to be fitted explicitly | |
1083 | for (int imd=fNModules;imd--;) { | |
1084 | AliITSAlignMille2Module* mod = GetMilleModule(imd); | |
1085 | int npar = mod->GetNParTot(); | |
1086 | // the parameter may have max 1 free instance, otherwise the equations are underdefined | |
1087 | for (int ipar=0;ipar<npar;ipar++) { | |
1088 | if (!mod->IsFreeDOF(ipar)) continue; // fixed | |
1089 | // | |
1090 | int nFreeInstances = 0; | |
1091 | // | |
1092 | AliITSAlignMille2Module* parent = mod; | |
1093 | Bool_t cstMeanMed=kFALSE,cstGauss=kFALSE; | |
1094 | // | |
1095 | Bool_t addToFit = kFALSE; | |
1096 | // the parameter may be ommitted from explicit fit (if PseudoParentsAllowed is true) if | |
1097 | // 1) it is not explicitly constrained or its does not participate in Gaussian constraint | |
1098 | // 2) the same applies to all of its parents | |
1099 | // 3) it has at least 1 unconstrained direct child | |
1100 | while(parent) { | |
1101 | if (!parent->IsFreeDOF(ipar)) {parent = parent->GetParent(); continue;} | |
1102 | nFreeInstances++; | |
1103 | if (IsParModConstrained(parent,ipar, cstMeanMed, cstGauss)) nFreeInstances--; | |
1104 | if (cstGauss) addToFit = kTRUE; | |
1105 | parent = parent->GetParent(); | |
1106 | } | |
1107 | if (nFreeInstances>1) { | |
1108 | AliError(Form("Parameter#%d of module %s\nhas %d free instances in the " | |
1109 | "unconstrained parents\nSystem is undefined",ipar,mod->GetName(),nFreeInstances)); | |
1110 | exit(1); | |
1111 | } | |
1112 | // | |
1113 | // i) Are PseudoParents allowed? | |
1114 | if (!PseudoParentsAllowed()) addToFit = kTRUE; | |
1115 | // ii) check if this module has no child with such a free parameter. Since the order of this check | |
1116 | // goes from child to parent, by this moment such a parameter must have been already added | |
1117 | else if (!IsParModFamilyVaried(mod,ipar)) addToFit = kTRUE; // no varied children at all | |
1118 | else if (!IsParFamilyFree(mod,ipar,1)) addToFit = kTRUE; // no unconstrained direct children | |
1119 | // otherwise the value of this parameter can be extracted from simple contraint and the values of | |
1120 | // the relevant parameters of its children the fit is done. Hence it is not included | |
1121 | if (!addToFit) continue; | |
1122 | // | |
1123 | // shall add this parameter to explicit fit | |
1124 | // printf("Adding %s %d -> %d\n",mod->GetName(), ipar, fNGlobal); | |
1125 | mod->SetParOffset(ipar,fNGlobal++); | |
1126 | } | |
1127 | } | |
1128 | } | |
1129 | // | |
1130 | AliInfo(Form("Initializing Millepede with %d gpar, %d lpar and %d stddev ...",fNGlobal, kNLocal, fNStdDev)); | |
1131 | fGlobalDerivatives = new Double_t[fNGlobal]; | |
1132 | memset(fGlobalDerivatives,0,fNGlobal*sizeof(Double_t)); | |
1133 | // | |
1134 | fMillepede->InitMille(fNGlobal,kNLocal,fNStdDev,fResCut,fResCutInitial); | |
1135 | fMillepede->SetMinPntValid(fMinPntPerSens); | |
1136 | fIsMilleInit = kTRUE; | |
1137 | // | |
1138 | ResetLocalEquation(); | |
1139 | AliInfo("Parameters initialized to zero"); | |
1140 | // | |
1141 | /// Fix non free parameters | |
1142 | for (Int_t i=0; i<fNModules; i++) { | |
1143 | AliITSAlignMille2Module* mod = GetMilleModule(i); | |
1144 | for (Int_t j=0; j<mod->GetNParTot(); j++) { | |
1145 | if (mod->GetParOffset(j)<0) continue; // not varied | |
1146 | FixParameter(mod->GetParOffset(j),mod->GetParConstraint(j)); | |
1147 | fMillepede->SetParamGrID(i, mod->GetParOffset(j)); | |
1148 | } | |
1149 | } | |
1150 | // | |
1151 | // Set iterations | |
1152 | if (fStartFac>1) fMillepede->SetIterations(fStartFac); | |
1153 | // | |
1154 | } | |
1155 | ||
1156 | //________________________________________________________________________________________________________ | |
1157 | void AliITSAlignMille2::AddConstraint(Double_t *par, Double_t value, Double_t sigma) | |
1158 | { | |
1159 | /// Constrain equation defined by par to value | |
1160 | if (!fIsMilleInit) Init(); | |
1161 | fMillepede->SetGlobalConstraint(par, value, sigma); | |
1162 | AliInfo("Adding constraint"); | |
1163 | } | |
1164 | ||
1165 | //________________________________________________________________________________________________________ | |
1166 | void AliITSAlignMille2::InitGlobalParameters(Double_t *par) | |
1167 | { | |
1168 | /// Initialize global parameters with par array | |
1169 | if (!fIsMilleInit) Init(); | |
1170 | fMillepede->SetGlobalParameters(par); | |
1171 | AliInfo("Init Global Parameters"); | |
1172 | } | |
1173 | ||
1174 | //________________________________________________________________________________________________________ | |
1175 | void AliITSAlignMille2::FixParameter(Int_t iPar, Double_t value) | |
1176 | { | |
1177 | /// Parameter iPar is encourage to vary in [-value;value]. | |
1178 | /// If value == 0, parameter is fixed | |
1179 | if (!fIsMilleInit) { | |
1180 | AliInfo("Millepede has not been initialized!"); | |
1181 | return; | |
1182 | } | |
1183 | fMillepede->SetParSigma(iPar, value); | |
1184 | if (IsZero(value)) AliInfo(Form("Parameter %i Fixed", iPar)); | |
1185 | } | |
1186 | ||
1187 | //________________________________________________________________________________________________________ | |
1188 | void AliITSAlignMille2::ResetLocalEquation() | |
1189 | { | |
1190 | /// Reset the derivative vectors | |
1191 | for(int i=kNLocal;i--;) fLocalDerivatives[i] = 0.0; | |
1192 | memset(fGlobalDerivatives, 0, fNGlobal*sizeof(double) ); | |
1193 | } | |
1194 | ||
1195 | //________________________________________________________________________________________________________ | |
1196 | Int_t AliITSAlignMille2::ApplyToGeometry() | |
1197 | { | |
1198 | // apply prealignment to ideal geometry | |
1199 | Int_t nprea = fPrealignment->GetEntriesFast(); | |
1200 | AliInfo(Form("Array of prealignment deltas: %d entries",nprea)); | |
1201 | // | |
1202 | for (int ix=0; ix<nprea; ix++) { | |
1203 | AliAlignObjParams *preo=(AliAlignObjParams*) fPrealignment->At(ix); | |
1204 | Int_t index=AliITSAlignMille2Module::GetIndexFromVolumeID(preo->GetVolUID()); | |
1205 | if (index>=0) { | |
1206 | if (index>=fPreAlignQF.GetSize()) fPreAlignQF.Set(index+10); | |
1207 | fPreAlignQF[index] = (int) preo->GetUniqueID()+1; | |
1208 | } | |
1209 | if (!preo->ApplyToGeometry()) { | |
1210 | AliError(Form("Failed on ApplyToGeometry at %s",preo->GetSymName())); | |
1211 | return -1; | |
1212 | } | |
1213 | } | |
1214 | // | |
1215 | fUsePreAlignment = kTRUE; | |
1216 | return 0; | |
1217 | } | |
1218 | ||
1219 | //________________________________________________________________________________________________________ | |
1220 | Int_t AliITSAlignMille2::GetPreAlignmentQualityFactor(Int_t index) const | |
1221 | { | |
1222 | // quality factors from prealignment | |
1223 | if (!fUsePreAlignment || index<0 || index>=fPreAlignQF.GetSize()) return -1; | |
1224 | return fPreAlignQF[index]-1; | |
1225 | } | |
1226 | ||
1227 | //________________________________________________________________________________________________________ | |
1228 | AliTrackPointArray *AliITSAlignMille2::PrepareTrack(const AliTrackPointArray *atp) | |
1229 | { | |
1230 | /// create a new AliTrackPointArray keeping only defined modules | |
1231 | /// move points according to a given prealignment, if any | |
1232 | /// sort alitrackpoints w.r.t. global Y direction, if selected | |
1233 | const Double_t kRad2L[6] = {5*5,10*10,18*18,30*30,40*40,60*60}; | |
1234 | const Float_t kSensSigY2[6] = {200e-4*200e-4/12, 200e-4*200e-4/12, | |
1235 | 300e-4*300e-4/12, 300e-4*300e-4/12, | |
1236 | 300e-4*300e-4/12, 300e-4*300e-4/12}; // thickness^2/12 | |
1237 | // | |
1238 | fTrack = NULL; | |
1239 | Int_t idx[20]; | |
1240 | Short_t lrID[20]; | |
1241 | Int_t npts=atp->GetNPoints(); | |
1242 | TGeoHMatrix hcov; | |
1243 | // | |
1244 | /// checks if AliTrackPoints belong to defined modules | |
1245 | Int_t ngoodpts=0; | |
1246 | Int_t intidx[20]; | |
1247 | for (int j=0; j<npts; j++) { | |
1248 | intidx[j] = IsVIDContained(atp->GetVolumeID()[j]); | |
1249 | if (intidx[j]<0) continue; | |
1250 | ngoodpts++; | |
1251 | Float_t xx=atp->GetX()[j]; | |
1252 | Float_t yy=atp->GetY()[j]; | |
1253 | Float_t r=xx*xx + yy*yy; | |
1254 | int lay; | |
1255 | for (lay=0;lay<6;lay++) if (r<kRad2L[lay]) break; | |
1256 | if (lay>5) continue; | |
1257 | lrID[j] = lay; | |
1258 | } | |
1259 | // | |
1260 | AliDebug(3,Form("Number of points in defined modules: %d out of %d",ngoodpts,npts)); | |
1261 | ||
1262 | // pepo270809 | |
1263 | Int_t nextra=0; | |
1264 | // extra clusters selection mode | |
1265 | if (fExtraClustersMode) { | |
1266 | // 1 = keep one cluster, remove randomly the extra | |
1267 | // 2 = keep one cluster, remove the internal one | |
1268 | // 10 = keep tracks only if at least one extra is present | |
1269 | ||
1270 | int iextra1[20],iextra2[20],layovl[20]; | |
1271 | // extra clusters mapping | |
1272 | for (Int_t ipt=0; ipt<npts; ipt++) { | |
1273 | if (intidx[ipt]<0) continue; // looks only defined modules... | |
1274 | float p1x=atp->GetX()[ipt]; | |
1275 | float p1y=atp->GetY()[ipt]; | |
1276 | float p1z=atp->GetZ()[ipt]; | |
1277 | int lay1=int(AliGeomManager::VolUIDToLayer(atp->GetVolumeID()[ipt])); | |
1278 | float r1 = p1x*p1x + p1y*p1y; | |
1279 | UShort_t volid1=atp->GetVolumeID()[ipt]; | |
1280 | ||
1281 | for (int ik=ipt+1; ik<npts; ik++) { | |
1282 | if (intidx[ik]<0) continue; | |
1283 | // compare point ipt with next ones | |
1284 | int lay2=int(AliGeomManager::VolUIDToLayer(atp->GetVolumeID()[ik])); | |
1285 | // check if same layer | |
1286 | if (lay2 != lay1) continue; | |
1287 | UShort_t volid2=atp->GetVolumeID()[ik]; | |
1288 | // check if different module | |
1289 | if (volid1 == volid2) continue; | |
1290 | ||
1291 | float p2x=atp->GetX()[ik]; | |
1292 | float p2y=atp->GetY()[ik]; | |
1293 | float p2z=atp->GetZ()[ik]; | |
1294 | float r2 = p2x*p2x + p2y*p2y; | |
1295 | float dr= (p1x-p2x)*(p1x-p2x) + (p1y-p2y)*(p1y-p2y) + (p1z-p2z)*(p1z-p2z); | |
1296 | ||
1297 | // looks for pairs with dr<1 cm, same layer but different module | |
1298 | if (dr<1.0) { | |
1299 | // extra1 is the one with smaller radius in rphi plane | |
1300 | if (r1<r2) { | |
1301 | iextra1[nextra]=ipt; | |
1302 | iextra2[nextra]=ik; | |
1303 | } | |
1304 | else { | |
1305 | iextra1[nextra]=ik; | |
1306 | iextra2[nextra]=ipt; | |
1307 | } | |
1308 | layovl[nextra]=lay1; | |
1309 | nextra++; | |
1310 | } | |
1311 | } | |
1312 | } // end overlaps mapping | |
1313 | ||
1314 | // mode=1: keep only one clusters and remove the other randomly | |
1315 | if (fExtraClustersMode==1 && nextra) { | |
1316 | for (int ie=0; ie<nextra; ie++) { | |
1317 | if (gRandom->Rndm()<0.5) | |
1318 | intidx[iextra1[ie]]=-1; | |
1319 | else | |
1320 | intidx[iextra2[ie]]=-1; | |
1321 | } | |
1322 | } | |
1323 | ||
1324 | // mode=2: keep only one clusters and remove the other... | |
1325 | if (fExtraClustersMode==2 && nextra) { | |
1326 | for (int ie=0; ie<nextra; ie++) { | |
1327 | if (layovl[ie]==1) intidx[iextra2[ie]]=-1; | |
1328 | else if (layovl[ie]==2) intidx[iextra1[ie]]=-1; | |
1329 | else intidx[iextra1[ie]]=-1; | |
1330 | } | |
1331 | } | |
1332 | ||
1333 | // mode=10: reject track if no overlaps are present | |
1334 | if (fExtraClustersMode==10 && nextra==0) { | |
1335 | AliInfo("Track with no extra clusters: rejected!"); | |
1336 | return NULL; | |
1337 | } | |
1338 | ||
1339 | // recalculate ngoodpts | |
1340 | ngoodpts=0; | |
1341 | for (int i=0; i<npts; i++) { | |
1342 | if (intidx[i]>=0) ngoodpts++; | |
1343 | } | |
1344 | } | |
1345 | // endpepo270809 | |
1346 | ||
1347 | // reject track if not enough points are left | |
1348 | if (ngoodpts<fMinNPtsPerTrack) { | |
1349 | AliInfo("Track with not enough points!"); | |
1350 | return NULL; | |
1351 | } | |
1352 | // >> RS | |
1353 | AliTrackPoint p; | |
1354 | // check points in specific places | |
1355 | if (fRequirePoints) { | |
1356 | Int_t nlayup[6],nlaydown[6],nlay[6]; | |
1357 | Int_t ndetup[3],ndetdown[3],ndet[3]; | |
1358 | for (Int_t j=0; j<6; j++) {nlayup[j]=0; nlaydown[j]=0; nlay[j]=0;} | |
1359 | for (Int_t j=0; j<3; j++) {ndetup[j]=0; ndetdown[j]=0; ndet[j]=0;} | |
1360 | ||
1361 | for (int i=0; i<npts; i++) { | |
1362 | // skip not defined points | |
1363 | if (intidx[i]<0) continue; | |
1364 | // | |
1365 | Float_t yy=atp->GetY()[i]; | |
1366 | int lay = lrID[i]; | |
1367 | int det=lay/2; | |
1368 | //printf("Point %d - x=%f y=%f R=%f lay=%d det=%d\n",i,xx,yy,r,lay,det); | |
1369 | ||
1370 | if (yy>=0.0) { // UP point | |
1371 | nlayup[lay]++; | |
1372 | nlay[lay]++; | |
1373 | ndetup[det]++; | |
1374 | ndet[det]++; | |
1375 | } | |
1376 | else { | |
1377 | nlaydown[lay]++; | |
1378 | nlay[lay]++; | |
1379 | ndetdown[det]++; | |
1380 | ndet[det]++; | |
1381 | } | |
1382 | } | |
1383 | // | |
1384 | // checks minimum values | |
1385 | Bool_t isok=kTRUE; | |
1386 | for (Int_t j=0; j<6; j++) { | |
1387 | if (nlayup[j]<fNReqLayUp[j]) isok=kFALSE; | |
1388 | if (nlaydown[j]<fNReqLayDown[j]) isok=kFALSE; | |
1389 | if (nlay[j]<fNReqLay[j]) isok=kFALSE; | |
1390 | } | |
1391 | for (Int_t j=0; j<3; j++) { | |
1392 | if (ndetup[j]<fNReqDetUp[j]) isok=kFALSE; | |
1393 | if (ndetdown[j]<fNReqDetDown[j]) isok=kFALSE; | |
1394 | if (ndet[j]<fNReqDet[j]) isok=kFALSE; | |
1395 | } | |
1396 | if (!isok) { | |
1397 | AliDebug(2,Form("Track does not meet all location point requirements!")); | |
1398 | return NULL; | |
1399 | } | |
1400 | } | |
1401 | // build a new track with (sorted) (prealigned) good points | |
1402 | // pepo200709 | |
1403 | //fTrack = (AliTrackPointArray*)fTrackBuff[ngoodpts-fMinNPtsPerTrack]; | |
1404 | fTrack = (AliTrackPointArray*)fTrackBuff[ngoodpts]; | |
1405 | if (!fTrack) { | |
1406 | fTrack = new AliTrackPointArray(ngoodpts); | |
1407 | // fTrackBuff.AddAtAndExpand(fTrack,ngoodpts-fMinNPtsPerTrack); | |
1408 | fTrackBuff.AddAtAndExpand(fTrack,ngoodpts); | |
1409 | } | |
1410 | // fTrack = new AliTrackPointArray(ngoodpts); | |
1411 | // endpepo200709 | |
1412 | // | |
1413 | // | |
1414 | for (int i=0; i<npts; i++) idx[i]=i; | |
1415 | // sort track if required | |
1416 | TMath::Sort(npts,atp->GetY(),idx); // sort descending... | |
1417 | // | |
1418 | Int_t npto=0; | |
1419 | if (fClusLoc.GetSize()<3*npts) fClusLoc.Set(3*npts); | |
1420 | if (fClusGlo.GetSize()<3*npts) fClusGlo.Set(3*npts); | |
1421 | if (fClusSigLoc.GetSize()<3*npts) fClusSigLoc.Set(3*npts); | |
1422 | // | |
1423 | for (int i=0; i<npts; i++) { | |
1424 | // skip not defined points | |
1425 | if (intidx[idx[i]]<0) continue; | |
1426 | atp->GetPoint(p,idx[i]); | |
1427 | int sid = AliITSAlignMille2Module::GetIndexFromVolumeID(p.GetVolumeID()); | |
1428 | // | |
1429 | // prealign point if required | |
1430 | // get matrix used to produce the digits | |
1431 | AliITSAlignMille2Module *mod = GetMilleModule(intidx[idx[i]]); | |
1432 | TGeoHMatrix *svOrigMatrix = GetSensorOrigMatrixSID(sid); //mod->GetSensitiveVolumeOrigGlobalMatrix(p.GetVolumeID()); | |
1433 | // get back real local coordinate | |
1434 | Double_t *pl = fClusLoc.GetArray() + npto*3; | |
1435 | Double_t *pg = fClusGlo.GetArray() + npto*3; | |
1436 | Double_t *sgl = fClusSigLoc.GetArray() + npto*3; | |
1437 | pg[0]=p.GetX(); | |
1438 | pg[1]=p.GetY(); | |
1439 | pg[2]=p.GetZ(); | |
1440 | AliDebug(3,Form("Global coordinates of measured point : X=%f Y=%f Z=%f \n",pg[0],pg[1],pg[2])); | |
1441 | svOrigMatrix->MasterToLocal(pg,pl); | |
abd7ef79 | 1442 | AliDebug(3,Form("Local coordinates of measured point : X=%f Y=%f Z=%f \n",pl[0],pl[1],pl[2])); |
6be22b3f | 1443 | // |
1444 | // this is a temporary code to extract the drift speed used for given point | |
1445 | if (p.GetDriftTime()>0) { // RRR | |
1446 | // calculate the drift speed | |
1447 | fDriftTime0[npto] = fInitialRecSDD ? fInitialRecSDD->GetTimeZero(sid) : 0.; | |
1448 | double tdif = p.GetDriftTime() - fDriftTime0[npto]; | |
1449 | if (tdif<=0) tdif = 1; | |
1450 | double vdrift = (3.5085-TMath::Abs(pl[0]))/tdif; | |
1451 | if (vdrift<0) vdrift = 0; | |
1452 | // | |
1453 | // TEMPORARY CORRECTION (if provided) -------------->>> | |
1454 | if (fCorrectSDD) { | |
1455 | float t0Upd = fCorrectSDD->GetTimeZero(sid); | |
1456 | vdrift += fCorrectSDD->GetDeltaVDrift(sid); | |
1457 | tdif = p.GetDriftTime() - t0Upd; | |
1458 | // correct Xlocal | |
1459 | pl[0] = TMath::Sign(3.5085 - vdrift*tdif,pl[0]); | |
1460 | fDriftTime0[npto] = t0Upd; | |
1461 | } | |
1462 | // TEMPORARY CORRECTION (if provided) --------------<<< | |
1463 | fDriftSpeed[npto] = TMath::Sign(vdrift,pl[0]); | |
1464 | // | |
1465 | } | |
1466 | // update covariance matrix | |
1467 | Double_t hcovel[9]; | |
1468 | hcovel[0]=double(p.GetCov()[0]); | |
1469 | hcovel[1]=double(p.GetCov()[1]); | |
1470 | hcovel[2]=double(p.GetCov()[2]); | |
1471 | hcovel[3]=double(p.GetCov()[1]); | |
1472 | hcovel[4]=double(p.GetCov()[3]); | |
1473 | hcovel[5]=double(p.GetCov()[4]); | |
1474 | hcovel[6]=double(p.GetCov()[2]); | |
1475 | hcovel[7]=double(p.GetCov()[4]); | |
1476 | hcovel[8]=double(p.GetCov()[5]); | |
1477 | hcov.SetRotation(hcovel); | |
abd7ef79 | 1478 | // |
1479 | if (AliLog::GetGlobalDebugLevel()>=2) { | |
1480 | AliInfo("Original Global Cov Matrix"); | |
1481 | printf("%+.4e %+.4e %+.4e\n%+.4e %+.4e\n%+.4e\n",hcovel[0],hcovel[1],hcovel[2],hcovel[4],hcovel[5],hcovel[8]); | |
1482 | } | |
1483 | // | |
6be22b3f | 1484 | // now rotate in local system |
1485 | hcov.Multiply(svOrigMatrix); | |
1486 | hcov.MultiplyLeft(&svOrigMatrix->Inverse()); | |
1487 | // now hcov is LOCAL COVARIANCE MATRIX | |
1488 | // apply sigma scaling | |
abd7ef79 | 1489 | Double_t *hcovscl = hcov.GetRotationMatrix(); |
1490 | if (AliLog::GetGlobalDebugLevel()>=2) { | |
1491 | AliInfo("Original Local Cov Matrix"); | |
1492 | printf("%+.4e %+.4e %+.4e\n%+.4e %+.4e\n%+.4e\n",hcovscl[0],hcovscl[1],hcovscl[2],hcovscl[4],hcovscl[5],hcovscl[8]); | |
1493 | } | |
1494 | hcovscl[4] = fUseLocalYErr ? kSensSigY2[lrID[idx[i]]] : 1E-8; // error due to the sensor thickness | |
6be22b3f | 1495 | // |
1496 | for (int ir=3;ir--;) for (int ic=3;ic--;) { | |
1497 | if (ir==ic) { | |
abd7ef79 | 1498 | if ( IsZero(hcovscl[ir*3+ic],1e-8) ) hcovscl[ir*3+ic] = 1E-8; |
6be22b3f | 1499 | else hcovscl[ir*3+ic] *= mod->GetSigmaFactor(ir)*mod->GetSigmaFactor(ic); //RRR |
1500 | sgl[ir] = TMath::Sqrt(hcovscl[ir*3+ic]); | |
1501 | } | |
1502 | else hcovscl[ir*3+ic] = 0; | |
1503 | } | |
1504 | // | |
abd7ef79 | 1505 | if (AliLog::GetGlobalDebugLevel()>=2) { |
1506 | AliInfo("Modified Local Cov Matrix"); | |
1507 | printf("%+.4e %+.4e %+.4e\n%+.4e %+.4e\n%+.4e\n",hcovscl[0],hcovscl[1],hcovscl[2],hcovscl[4],hcovscl[5],hcovscl[8]); | |
1508 | } | |
6be22b3f | 1509 | // |
1510 | if (fBug==1) { | |
1511 | // correzione bug LAYER 5 SSD temporanea.. | |
1512 | int ssdidx=AliITSAlignMille2Module::GetIndexFromVolumeID(p.GetVolumeID()); | |
1513 | if (ssdidx>=500 && ssdidx<1248) { | |
1514 | int ladder=(ssdidx-500)%22; | |
1515 | if (ladder==18) p.SetVolumeID(AliITSAlignMille2Module::GetVolumeIDFromIndex(ssdidx+1)); | |
1516 | if (ladder==19) p.SetVolumeID(AliITSAlignMille2Module::GetVolumeIDFromIndex(ssdidx-1)); | |
1517 | } | |
1518 | } | |
1519 | /// get (evenctually prealigned) matrix of sens. vol. | |
1520 | TGeoHMatrix *svMatrix = GetSensorCurrMatrixSID(sid); //mod->GetSensitiveVolumeMatrix(p.GetVolumeID()); | |
1521 | // modify global coordinates according with pre-aligment | |
1522 | svMatrix->LocalToMaster(pl,pg); | |
1523 | // now rotate in local system | |
1524 | hcov.Multiply(&svMatrix->Inverse()); | |
1525 | hcov.MultiplyLeft(svMatrix); // hcov is back in GLOBAL RF | |
1526 | // cure once more | |
1527 | for (int ir=3;ir--;) for (int ic=3;ic--;) if (IsZero(hcovscl[ir*3+ic])) hcovscl[ir*3+ic] = 0.; | |
1528 | // printf("\nErrMatGlob: after\n"); hcov.Print(""); //RRR | |
1529 | // | |
abd7ef79 | 1530 | if (AliLog::GetGlobalDebugLevel()>=2) { |
1531 | AliInfo("Modified Global Cov Matrix"); | |
1532 | printf("%+.4e %+.4e %+.4e\n%+.4e %+.4e\n%+.4e\n",hcovscl[0],hcovscl[1],hcovscl[2],hcovscl[4],hcovscl[5],hcovscl[8]); | |
1533 | } | |
1534 | // | |
6be22b3f | 1535 | Float_t pcov[6]; |
1536 | pcov[0]=hcovscl[0]; | |
1537 | pcov[1]=hcovscl[1]; | |
1538 | pcov[2]=hcovscl[2]; | |
1539 | pcov[3]=hcovscl[4]; | |
1540 | pcov[4]=hcovscl[5]; | |
1541 | pcov[5]=hcovscl[8]; | |
1542 | // | |
1543 | p.SetXYZ(pg[0],pg[1],pg[2],pcov); | |
1544 | // printf("New Gl coordinates of measured point : X=%f Y=%f Z=%f \n",pg[0],pg[1],pg[2]); | |
1545 | AliDebug(3,Form("New global coordinates of measured point : X=%f Y=%f Z=%f \n",pg[0],pg[1],pg[2])); | |
1546 | fTrack->AddPoint(npto,&p); | |
1547 | AliDebug(2,Form("Adding point[%d] = ( %f , %f , %f ) volid = %d",npto,fTrack->GetX()[npto], | |
1548 | fTrack->GetY()[npto],fTrack->GetZ()[npto],fTrack->GetVolumeID()[npto] )); | |
1549 | // printf("Adding %d %d %f\n",npto, p.GetVolumeID(), p.GetY()); | |
1550 | npto++; | |
1551 | } | |
1552 | // | |
1553 | return fTrack; | |
1554 | } | |
1555 | ||
1556 | //________________________________________________________________________________________________________ | |
1557 | AliTrackPointArray *AliITSAlignMille2::SortTrack(const AliTrackPointArray *atp) | |
1558 | { | |
1559 | /// sort alitrackpoints w.r.t. global Y direction | |
1560 | AliTrackPointArray *atps=NULL; | |
1561 | Int_t idx[20]; | |
1562 | Int_t npts=atp->GetNPoints(); | |
1563 | AliTrackPoint p; | |
1564 | atps=new AliTrackPointArray(npts); | |
1565 | ||
1566 | TMath::Sort(npts,atp->GetY(),idx); | |
1567 | ||
1568 | for (int i=0; i<npts; i++) { | |
1569 | atp->GetPoint(p,idx[i]); | |
1570 | atps->AddPoint(i,&p); | |
1571 | AliDebug(2,Form("Point[%d] = ( %f , %f , %f ) volid = %d",i,atps->GetX()[i],atps->GetY()[i],atps->GetZ()[i],atps->GetVolumeID()[i] )); | |
1572 | } | |
1573 | return atps; | |
1574 | } | |
1575 | ||
1576 | //________________________________________________________________________________________________________ | |
1577 | Int_t AliITSAlignMille2::GetCurrentLayer() const | |
1578 | { | |
1579 | // get current layer id | |
1580 | if (!fGeoManager) { | |
1581 | AliInfo("ITS geometry not initialized!"); | |
1582 | return -1; | |
1583 | } | |
1584 | return (Int_t)AliGeomManager::VolUIDToLayer(fCluster.GetVolumeID()); | |
1585 | } | |
1586 | ||
1587 | //________________________________________________________________________________________________________ | |
1588 | Int_t AliITSAlignMille2::InitModuleParams() | |
1589 | { | |
1590 | /// initialize geometry parameters for a given detector | |
1591 | /// for current cluster (fCluster) | |
1592 | /// fGlobalInitParam[] is set as: | |
1593 | /// [tx,ty,tz,psi,theta,phi] | |
1594 | /// (old was [tx,ty,tz,theta,psi,phi] ROOT's angles...) | |
1595 | /// *** At the moment: using Raffalele's angles definition *** | |
1596 | /// | |
1597 | /// return 0 if success | |
1598 | /// If module is found but has no parameters to vary, return 1 | |
1599 | ||
1600 | if (!fGeoManager) { | |
1601 | AliInfo("ITS geometry not initialized!"); | |
1602 | return -1; | |
1603 | } | |
1604 | ||
1605 | // now 'voluid' is the volumeID of a SENSITIVE VOLUME (coming from a cluster) | |
1606 | ||
1607 | // set the internal index (index in module list) | |
1608 | UShort_t voluid=fCluster.GetVolumeID(); | |
1609 | fCurrentSensID = AliITSAlignMille2Module::GetIndexFromVolumeID(voluid); | |
1610 | // | |
1611 | // IT IS VERY IMPORTANT: start from the end of the list, where the childs are located !!! | |
1612 | Int_t k=fNModules-1; | |
1613 | fCurrentModule = 0; | |
1614 | // VERY IMPORTANT: if the sensors were explicitly provided, don't look in the supermodules | |
1615 | while (k>=0 && ! (fCurrentModule=GetMilleModule(k))->IsIn(voluid)) k--; | |
1616 | if (k<0) return -3; | |
1617 | // | |
1618 | for (int i=AliITSAlignMille2Module::kMaxParTot;i--;) fModuleInitParam[i] = 0.0; | |
1619 | // | |
1620 | int clID = fCluster.GetUniqueID()-1; | |
1621 | if (clID<0) { // external cluster | |
1622 | fMeasGlo = &fExtClusterPar[0]; | |
1623 | fMeasLoc = &fExtClusterPar[3]; | |
1624 | fSigmaLoc = &fExtClusterPar[6]; | |
1625 | fExtClusterPar[0] = fCluster.GetX(); | |
1626 | fExtClusterPar[1] = fCluster.GetY(); | |
1627 | fExtClusterPar[2] = fCluster.GetZ(); | |
1628 | // | |
1629 | TGeoHMatrix *svMatrix = fCurrentModule->GetSensitiveVolumeMatrix(voluid); | |
1630 | svMatrix->MasterToLocal(fMeasGlo,fMeasLoc); | |
1631 | TGeoHMatrix hcov; | |
1632 | Double_t hcovel[9]; | |
1633 | hcovel[0]=double(fCluster.GetCov()[0]); | |
1634 | hcovel[1]=double(fCluster.GetCov()[1]); | |
1635 | hcovel[2]=double(fCluster.GetCov()[2]); | |
1636 | hcovel[3]=double(fCluster.GetCov()[1]); | |
1637 | hcovel[4]=double(fCluster.GetCov()[3]); | |
1638 | hcovel[5]=double(fCluster.GetCov()[4]); | |
1639 | hcovel[6]=double(fCluster.GetCov()[2]); | |
1640 | hcovel[7]=double(fCluster.GetCov()[4]); | |
1641 | hcovel[8]=double(fCluster.GetCov()[5]); | |
1642 | hcov.SetRotation(hcovel); | |
1643 | // now rotate in local system | |
1644 | hcov.Multiply(svMatrix); | |
1645 | hcov.MultiplyLeft(&svMatrix->Inverse()); | |
1646 | if (fSigmaLoc[0]<0.0010) fSigmaLoc[0]=0.0010; | |
1647 | if (fSigmaLoc[2]<0.0010) fSigmaLoc[2]=0.0010; | |
1648 | // | |
1649 | } | |
1650 | else { | |
1651 | int offs = 3*clID; | |
1652 | fMeasGlo = fClusGlo.GetArray() + offs; | |
1653 | fMeasLoc = fClusLoc.GetArray() + offs; | |
1654 | fSigmaLoc = fClusSigLoc.GetArray() + offs; | |
1655 | } | |
1656 | // | |
1657 | // set minimum value for SigmaLoc to 10 micron | |
1658 | if (fSigmaLoc[0]<0.0010) fSigmaLoc[0]=0.0010; | |
1659 | if (fSigmaLoc[2]<0.0010) fSigmaLoc[2]=0.0010; | |
1660 | // | |
1661 | AliDebug(2,Form("Local coordinates of measured point : X=%f Y=%f Z=%f \n",fMeasLoc[0] ,fMeasLoc[1] ,fMeasLoc[2] )); | |
1662 | AliDebug(2,Form("Setting StDev from CovMat : fSigmaLocX=%g fSigmaLocY=%g fSigmaLocZ=%g \n",fSigmaLoc[0] ,fSigmaLoc[1] ,fSigmaLoc[2] )); | |
1663 | // | |
1664 | return 0; | |
1665 | } | |
1666 | ||
1667 | //________________________________________________________________________________________________________ | |
1668 | void AliITSAlignMille2::Print(Option_t*) const | |
1669 | { | |
1670 | // print current status | |
1671 | printf("*** AliMillepede for ITS ***\n"); | |
1672 | printf(" Number of defined super modules: %d\n",fNModules); | |
1673 | printf(" Obtained parameters refer to %s Deltas\n",fUseGlobalDelta ? "GLOBAL":"LOCAL"); | |
1674 | // | |
1675 | if (fGeoManager) | |
1676 | printf(" geometry loaded from %s\n",fGeometryPath.Data()); | |
1677 | else | |
1678 | printf(" geometry not loaded\n"); | |
1679 | // | |
1680 | if (fUsePreAlignment) | |
1681 | printf(" using prealignment from %s \n",fPreDeltaPath.Data()); | |
1682 | else | |
1683 | printf(" prealignment not used\n"); | |
1684 | // | |
1685 | // | |
1686 | if (fBOn) | |
1687 | printf(" B Field set to %f T - using helices\n",fBField); | |
1688 | else | |
1689 | printf(" B Field OFF - using straight lines \n"); | |
1690 | // | |
1691 | if (fTPAFitter) | |
1692 | printf(" Using AliITSTPArrayFit class for track fitting\n"); | |
1693 | else | |
1694 | printf(" Using StraightLine/Riemann fitter for track fitting\n"); | |
1695 | // | |
1696 | printf("Using local Y error due to the sensor thickness: %s\n",(fUseLocalYErr && fTPAFitter) ? "ON":"OFF"); | |
1697 | // | |
1698 | if (fRequirePoints) printf(" Required points in tracks:\n"); | |
1699 | for (Int_t i=0; i<6; i++) { | |
1700 | if (fNReqLayUp[i]>0) printf(" Layer %d : %d points with Y>0\n",i+1,fNReqLayUp[i]); | |
1701 | if (fNReqLayDown[i]>0) printf(" Layer %d : %d points with Y<0\n",i+1,fNReqLayDown[i]); | |
1702 | if (fNReqLay[i]>0) printf(" Layer %d : %d points \n",i+1,fNReqLay[i]); | |
1703 | } | |
1704 | for (Int_t i=0; i<3; i++) { | |
1705 | if (fNReqDetUp[i]>0) printf(" Detector %d : %d points with Y>0\n",i+1,fNReqDetUp[i]); | |
1706 | if (fNReqDetDown[i]>0) printf(" Detector %d : %d points with Y<0\n",i+1,fNReqDetDown[i]); | |
1707 | if (fNReqDet[i]>0) printf(" Detector %d : %d points \n",i+1,fNReqDet[i]); | |
1708 | } | |
1709 | // | |
1710 | printf("\n Millepede configuration parameters:\n"); | |
1711 | printf(" init value for chi2 cut : %.4f\n",fStartFac); | |
1712 | printf(" first iteration cut value : %.4f\n",fResCutInitial); | |
1713 | printf(" other iterations cut value : %.4f\n",fResCut); | |
1714 | printf(" number of stddev for chi2 cut : %d\n",fNStdDev); | |
1715 | printf(" def.scaling for local sigmas : %.4f %.4f %.4f\n",fSigmaFactor[0],fSigmaFactor[1],fSigmaFactor[2]); | |
1716 | printf(" min.tracks per module : %d\n",fMinPntPerSens); | |
1717 | // | |
1718 | printf("List of defined modules:\n"); | |
1719 | printf(" intidx\tindex\tvoluid\tname\n"); | |
1720 | for (int i=0; i<fNModules; i++) { | |
1721 | AliITSAlignMille2Module* md = GetMilleModule(i); | |
1722 | printf(" %d\t%d\t%d\t%s\n",i,md->GetIndex(),md->GetVolumeID(),md->GetName()); | |
1723 | } | |
1724 | } | |
1725 | ||
1726 | //________________________________________________________________________________________________________ | |
1727 | AliITSAlignMille2Module *AliITSAlignMille2::GetMilleModuleByVID(UShort_t voluid) const | |
1728 | { | |
1729 | // return pointer to a defined supermodule | |
1730 | // return NULL if error | |
1731 | Int_t i=IsVIDDefined(voluid); | |
1732 | if (i<0) return NULL; | |
1733 | return GetMilleModule(i); | |
1734 | } | |
1735 | ||
1736 | //________________________________________________________________________________________________________ | |
1737 | AliITSAlignMille2Module *AliITSAlignMille2::GetMilleModuleBySymName(const Char_t* symname) const | |
1738 | { | |
1739 | // return pointer to a defined supermodule | |
1740 | // return NULL if error | |
1741 | UShort_t vid = AliITSAlignMille2Module::GetVolumeIDFromSymname(symname); | |
1742 | if (vid>0) return GetMilleModuleByVID(vid); | |
1743 | else { // this is not alignable module, need to look within defined supermodules | |
1744 | int i = IsSymDefined(symname); | |
1745 | if (i>=0) return GetMilleModule(i); | |
1746 | } | |
1747 | return 0; | |
1748 | } | |
1749 | ||
1750 | //________________________________________________________________________________________________________ | |
1751 | AliITSAlignMille2Module *AliITSAlignMille2::GetMilleModuleIfContained(const Char_t* symname) const | |
1752 | { | |
1753 | // return pointer to a defined/contained supermodule | |
1754 | // return NULL otherwise | |
1755 | int i = IsSymContained(symname); | |
1756 | return i<0 ? 0 : GetMilleModule(i); | |
1757 | } | |
1758 | ||
1759 | //________________________________________________________________________________________________________ | |
1760 | AliAlignObjParams* AliITSAlignMille2::GetPrealignedObject(const Char_t* symname) const | |
1761 | { | |
1762 | // get delta from prealignment for given volume | |
1763 | if (!fPrealignment) return 0; | |
1764 | for (int ipre=fPrealignment->GetEntriesFast();ipre--;) { // was the corresponding object prealigned? | |
1765 | AliAlignObjParams* preob = (AliAlignObjParams*)fPrealignment->At(ipre); | |
1766 | if (!strcmp(preob->GetSymName(),symname)) return preob; | |
1767 | } | |
1768 | return 0; | |
1769 | } | |
1770 | ||
1771 | //________________________________________________________________________________________________________ | |
1772 | AliAlignObjParams* AliITSAlignMille2::GetConstrRefObject(const Char_t* symname) const | |
1773 | { | |
1774 | // get delta with respect to which the constraint is declared | |
1775 | if (!fConstrRef) return 0; | |
1776 | for (int ipre=fConstrRef->GetEntriesFast();ipre--;) { // was the corresponding object prealigned? | |
1777 | AliAlignObjParams* preob = (AliAlignObjParams*)fConstrRef->At(ipre); | |
1778 | if (!strcmp(preob->GetSymName(),symname)) return preob; | |
1779 | } | |
1780 | return 0; | |
1781 | } | |
1782 | ||
1783 | //________________________________________________________________________________________________________ | |
1784 | Bool_t AliITSAlignMille2::InitRiemanFit() | |
1785 | { | |
1786 | // Initialize Riemann Fitter for current track | |
1787 | // return kFALSE if error | |
1788 | ||
1789 | if (!fBOn) return kFALSE; | |
1790 | ||
1791 | Int_t npts=0; | |
1792 | AliTrackPoint ap; | |
1793 | npts = fTrack->GetNPoints(); | |
1794 | AliDebug(3,Form("Fitting track with %d points",npts)); | |
1795 | if (!fRieman) fRieman = new AliTrackFitterRieman(); | |
1796 | fRieman->Reset(); | |
1797 | fRieman->SetTrackPointArray(fTrack); | |
1798 | ||
1799 | TArrayI ai(npts); | |
1800 | for (Int_t ipt=0; ipt<npts; ipt++) ai[ipt]=fTrack->GetVolumeID()[ipt]; | |
1801 | ||
1802 | // fit track with 5 params in his own tracking-rotated reference system | |
1803 | // xc = -p[1]/p[0]; | |
1804 | // yc = 1/p[0]; | |
1805 | // R = sqrt( x0*x0 + y0*y0 - y0*p[2]); | |
1806 | if (!fRieman->Fit(&ai,NULL,(AliGeomManager::ELayerID)1,(AliGeomManager::ELayerID)6)) { | |
1807 | return kFALSE; | |
1808 | } | |
1809 | ||
1810 | for (int i=0; i<5; i++) | |
1811 | fLocalInitParam[i] = fRieman->GetParam()[i]; | |
1812 | ||
1813 | return kTRUE; | |
1814 | } | |
1815 | ||
1816 | //________________________________________________________________________________________________________ | |
1817 | void trackFit2D(Int_t &, Double_t *, double &chi2, double *par, int flag) | |
1818 | { | |
1819 | // local function for minuit | |
1820 | const double kTiny = 1.e-14; | |
1821 | chi2 = 0; | |
1822 | static AliTrackPoint pnt; | |
1823 | static Bool_t fullErr2D; | |
1824 | // | |
1825 | if (flag==1) fullErr2D = kFALSE;//kTRUE; | |
1826 | fullErr2D = kTRUE; | |
1827 | enum {kAX,kAZ,kBX,kBZ}; | |
1828 | enum {kXX=0,kXY=1,kXZ=2,kYX=kXY,kYY=3,kYZ=4,kZX=kXZ,kZY=kYZ,kZZ=5}; | |
1829 | // | |
1830 | AliITSAlignMille2* alig = AliITSAlignMille2::GetInstance(); | |
1831 | AliTrackPointArray* track = alig->GetCurrentTrack(); | |
1832 | // | |
1833 | int npts = track->GetNPoints(); | |
1834 | for (int ip=0;ip<npts;ip++) { | |
1835 | track->GetPoint(pnt,ip); | |
1836 | const float *cov = pnt.GetCov(); | |
1837 | double y = pnt.GetY(); | |
1838 | double dx = pnt.GetX() - (par[kAX]+y*par[kBX]); | |
1839 | double dz = pnt.GetZ() - (par[kAZ]+y*par[kBZ]); | |
1840 | double xxe = cov[kXX]; | |
1841 | double zze = cov[kZZ]; | |
1842 | double xze = cov[kXZ]; | |
1843 | // | |
1844 | if (fullErr2D) { | |
1845 | xxe += par[kBX]*par[kBX]*cov[kYY]-2.*par[kBX]*cov[kXY]; | |
1846 | zze += par[kBZ]*par[kBZ]*cov[kYY]-2.*par[kBZ]*cov[kZY]; | |
1847 | xze += par[kBX]*par[kBZ]*cov[kYY]-cov[kYZ]*par[kBZ]-cov[kXY]*par[kBX]; | |
1848 | } | |
1849 | // | |
1850 | double det = xxe*zze - xze*xze; | |
1851 | if (det<kTiny) { | |
1852 | printf("Negative diag. error (det=%+e) |sxx:%+e szz:%+e sxz:%+e| bx:%+e bz:%+e|\n" | |
1853 | "Discarding correlation term\n",det,xxe,zze,xze,par[kBX],par[kBZ]); | |
1854 | xxe = cov[kXX]; | |
1855 | zze = cov[kZZ]; | |
1856 | xze = cov[kXZ]; | |
1857 | fullErr2D = kFALSE; | |
1858 | } | |
1859 | double xxeI = zze/det; | |
1860 | double zzeI = xxe/det; | |
1861 | double xzeI =-xze/det; | |
1862 | // | |
1863 | chi2 += dx*dx*xxeI + dz*dz*zzeI + 2.*dx*dz*xzeI; | |
1864 | // | |
1865 | // printf("%d | %+e %+e %+e %+e %+e -> %+e\n",ip,dx,dz,xxeI,zzeI,xzeI, chi2); | |
1866 | } | |
1867 | // | |
1868 | } | |
1869 | ||
1870 | //________________________________________________________________________________________________________ | |
1871 | void AliITSAlignMille2::InitTrackParams(int meth) | |
1872 | { | |
1873 | /// initialize local parameters with different methods | |
1874 | /// for current track (fTrack) | |
1875 | Int_t npts=0; | |
1876 | AliTrackPoint ap; | |
1877 | double sX=0,sXY=0,sZ=0,sZY=0,sY=0,sYY=0,det=0; | |
1878 | // simple linear interpolation | |
1879 | // get local starting parameters (to be substituted by ESD track parms) | |
1880 | // local parms (fLocalInitParam[]) are: | |
1881 | // [0] = global x coord. of straight line intersection at y=0 plane | |
1882 | // [1] = global z coord. of straight line intersection at y=0 plane | |
1883 | // [2] = px/py | |
1884 | // [3] = pz/py | |
1885 | // test #1: linear fit in x(y) and z(y) | |
1886 | npts = fTrack->GetNPoints(); | |
1887 | AliDebug(3,Form("*** initializing track with %d points ***",npts)); | |
1888 | for (int i=npts;i--;) { | |
1889 | sY += fTrack->GetY()[i]; | |
1890 | sYY += fTrack->GetY()[i]*fTrack->GetY()[i]; | |
1891 | sX += fTrack->GetX()[i]; | |
1892 | sXY += fTrack->GetX()[i]*fTrack->GetY()[i]; | |
1893 | sZ += fTrack->GetZ()[i]; | |
1894 | sZY += fTrack->GetZ()[i]*fTrack->GetY()[i]; | |
1895 | } | |
1896 | det = sYY*npts-sY*sY; | |
1897 | if (IsZero(det)) det = 1E-16; | |
1898 | fLocalInitParam[0] = (sX*sYY-sY*sXY)/det; | |
1899 | fLocalInitParam[2] = (sXY*npts-sY*sX)/det; | |
1900 | // | |
1901 | fLocalInitParam[1] = (sZ*sYY-sY*sZY)/det; | |
1902 | fLocalInitParam[3] = (sZY*npts-sY*sZ)/det; | |
1903 | // pepo200709 | |
1904 | fLocalInitParam[4] = 0.0; | |
1905 | // endpepo200709 | |
1906 | ||
1907 | AliDebug(2,Form("X = p0gx + ugx*Y : p0gx = %f ugx = %f\n",fLocalInitParam[0],fLocalInitParam[2])); | |
1908 | // | |
1909 | if (meth==1) return; | |
1910 | // | |
1911 | // perform full fit accounting for cov.matrix | |
1912 | static TVirtualFitter *minuit = 0; | |
1913 | static Double_t step[5] = {1E-3,1E-3,1E-4,1E-4,1E-5}; | |
1914 | static Double_t arglist[10]; | |
1915 | // | |
1916 | if (!minuit) { | |
1917 | minuit = TVirtualFitter::Fitter(0,4); | |
1918 | minuit->SetFCN(trackFit2D); | |
1919 | arglist[0] = 1; | |
1920 | minuit->ExecuteCommand("SET ERR",arglist, 1); | |
1921 | // | |
1922 | arglist[0] = -1; | |
1923 | minuit->ExecuteCommand("SET PRINT",arglist,1); | |
1924 | // | |
1925 | } | |
1926 | // | |
1927 | minuit->SetParameter(0, "ax", fLocalInitParam[0], step[0], 0,0); | |
1928 | minuit->SetParameter(1, "az", fLocalInitParam[1], step[1], 0,0); | |
1929 | minuit->SetParameter(2, "bx", fLocalInitParam[2], step[2], 0,0); | |
1930 | minuit->SetParameter(3, "bz", fLocalInitParam[3], step[3], 0,0); | |
1931 | // | |
1932 | arglist[0] = 1000; // number of function calls | |
1933 | arglist[1] = 0.001; // tolerance | |
1934 | minuit->ExecuteCommand("MIGRAD",arglist,2); | |
1935 | // | |
1936 | for (int i=0;i<4;i++) fLocalInitParam[i] = minuit->GetParameter(i); | |
1937 | for (int i=0;i<4;i++) for (int j=0;j<4;j++) fLocalInitParEr[i][j] = minuit->GetCovarianceMatrixElement(i,j); | |
1938 | /* | |
1939 | double amin,edm,errdef; | |
1940 | int nvpar,nparx; | |
1941 | minuit->GetStats(amin,edm,errdef,nvpar,nparx); | |
1942 | amin /= (2*npts - 4); | |
1943 | printf("Mchi2: %+e\n",amin); | |
1944 | */ | |
1945 | // | |
1946 | } | |
1947 | ||
1948 | //________________________________________________________________________________________________________ | |
1949 | Int_t AliITSAlignMille2::IsSymDefined(const Char_t* symname) const | |
1950 | { | |
1951 | // checks if supermodule with this symname is defined and return the internal index | |
1952 | // return -1 if not. | |
1953 | for (int k=fNModules;k--;) if (!strcmp(symname,GetMilleModule(k)->GetName())) return k; | |
1954 | return -1; | |
1955 | } | |
1956 | ||
1957 | //________________________________________________________________________________________________________ | |
1958 | Int_t AliITSAlignMille2::IsSymContained(const Char_t* symname) const | |
1959 | { | |
1960 | // checks if module with this symname is defined and return the internal index | |
1961 | // return -1 if not. | |
1962 | UShort_t vid = AliITSAlignMille2Module::GetVolumeIDFromSymname(symname); | |
1963 | if (vid>0) return IsVIDContained(vid); | |
1964 | // only sensors have real vid, but maybe we have a supermodule with fake vid? | |
1965 | // IMPORTANT: always start from the end to start from the sensors | |
1966 | return IsSymDefined(symname); | |
1967 | } | |
1968 | ||
1969 | //________________________________________________________________________________________________________ | |
1970 | Int_t AliITSAlignMille2::IsVIDDefined(UShort_t voluid) const | |
1971 | { | |
1972 | // checks if supermodule 'voluid' is defined and return the internal index | |
1973 | // return -1 if not. | |
1974 | for (int k=fNModules;k--;) if (voluid==GetMilleModule(k)->GetVolumeID()) return k; | |
1975 | return -1; | |
1976 | } | |
1977 | ||
1978 | //________________________________________________________________________________________________________ | |
1979 | Int_t AliITSAlignMille2::IsVIDContained(UShort_t voluid) const | |
1980 | { | |
1981 | // checks if the sensitive module 'voluid' is contained inside a supermodule | |
1982 | // and return the internal index of the last identified supermodule | |
1983 | // return -1 if error | |
1984 | // IMPORTANT: always start from the end to start from the sensors | |
1985 | if (AliITSAlignMille2Module::GetIndexFromVolumeID(voluid)<0) return -1; | |
1986 | for (int k=fNModules;k--;) if (GetMilleModule(k)->IsIn(voluid)) return k; | |
1987 | return -1; | |
1988 | } | |
1989 | ||
1990 | //________________________________________________________________________________________________________ | |
1991 | Int_t AliITSAlignMille2::CheckCurrentTrack() | |
1992 | { | |
1993 | /// checks if AliTrackPoints belongs to defined modules | |
1994 | /// return number of good poins | |
1995 | /// return 0 if not enough points | |
1996 | ||
1997 | Int_t npts = fTrack->GetNPoints(); | |
1998 | Int_t ngoodpts=0; | |
1999 | // debug points | |
2000 | for (int j=0; j<npts; j++) if (IsVIDContained(fTrack->GetVolumeID()[j])>=0) ngoodpts++; | |
2001 | // | |
2002 | if (ngoodpts<fMinNPtsPerTrack) return 0; | |
2003 | ||
2004 | return ngoodpts; | |
2005 | } | |
2006 | ||
2007 | //________________________________________________________________________________________________________ | |
2008 | Int_t AliITSAlignMille2::ProcessTrack(const AliTrackPointArray *track) | |
2009 | { | |
2010 | /// Process track; Loop over hits and set local equations | |
2011 | /// here 'track' is a AliTrackPointArray | |
2012 | /// return 0 if success; | |
2013 | ||
2014 | if (!fIsMilleInit) Init(); | |
2015 | // | |
2016 | Int_t npts = track->GetNPoints(); | |
2017 | AliDebug(2,Form("*** Input track with %d points ***",npts)); | |
2018 | ||
2019 | // preprocessing of the input track: keep only points in defined volumes, | |
2020 | // move points if prealignment is set, sort by Yglo if required | |
2021 | ||
2022 | fTrack=PrepareTrack(track); | |
2023 | if (!fTrack) return -1; | |
2024 | ||
2025 | npts = fTrack->GetNPoints(); | |
2026 | if (npts>kMaxPoints) { | |
2027 | AliError(Form("Compiled with kMaxPoints=%d, current track has %d points",kMaxPoints,npts)); | |
2028 | } | |
2029 | AliDebug(2,Form("*** Processing prepared track with %d points ***",npts)); | |
2030 | // | |
2031 | if (fTPAFitter) { // use dediacted fitter | |
2032 | // | |
2033 | fTPAFitter->AttachPoints(fTrack); | |
2034 | if (fBOn) fTPAFitter->SetBz(fBField); | |
2035 | if (fInitTrackParamsMeth==1) fTPAFitter->SetIgnoreCov(); | |
2036 | double chi2 = fTPAFitter->Fit(fConstrCharge,fConstrPT,fConstrPTErr); | |
2037 | // | |
2038 | // suppress eventual constraints to not affect fit of the next track | |
2039 | fConstrCharge = 0; | |
2040 | fConstrPT = fConstrPTErr = -1; | |
2041 | // | |
2042 | if ( chi2<0 || (fTPAFitter->GetNIterations()>=fTPAFitter->GetMaxIterations()) ) { | |
2043 | AliInfo("Track fit failed! skipping this track..."); | |
2044 | fTPAFitter->Reset(); | |
2045 | fTrack = NULL; | |
2046 | return -5; | |
2047 | } | |
2048 | /* | |
2049 | double *pr = fTPAFitter->GetParams(); | |
2050 | printf("FtPar: %+.5e %+.5e %+.5e %+.5e | chi2:%.3e\n",pr[2],pr[0],pr[3],pr[1],chi2); // RRR | |
2051 | */ | |
2052 | } | |
2053 | else { | |
2054 | // | |
2055 | if (!fBOn) { // straight lines | |
2056 | // set local starting parameters (to be substituted by ESD track parms) | |
2057 | // local parms (fLocalInitParam[]) are: | |
2058 | // [0] = global x coord. of straight line intersection at y=0 plane | |
2059 | // [1] = global z coord. of straight line intersection at y=0 plane | |
2060 | // [2] = px/py | |
2061 | // [3] = pz/py | |
2062 | InitTrackParams(fInitTrackParamsMeth); | |
2063 | /* | |
2064 | double *pr = fLocalInitParam; | |
2065 | printf("FtPar: %+.5e %+.5e %+.5e %+.5e |\n",pr[0],pr[1],pr[2],pr[3]); // RRR | |
2066 | */ | |
2067 | } | |
2068 | else { | |
2069 | // local parms (fLocalInitParam[]) are the Riemann Fitter params | |
2070 | if (!InitRiemanFit()) { | |
2071 | AliInfo("Riemann fit failed! skipping this track..."); | |
2072 | fTrack=NULL; | |
2073 | return -5; | |
2074 | } | |
2075 | } | |
2076 | } | |
2077 | // | |
2078 | // printf("Params: "); for (int i=0;i<fNLocal;i++) printf("%+.2e ",fLocalInitParam[i]); printf("\n");//RRR | |
2079 | Int_t nloceq=0; | |
2080 | Int_t ngloeq=0; | |
2081 | static Mille2Data md[kMaxPoints]; | |
2082 | // | |
2083 | for (Int_t ipt=0; ipt<npts; ipt++) { | |
2084 | fTrack->GetPoint(fCluster,ipt); | |
2085 | fCluster.SetUniqueID(ipt+1); | |
2086 | AliDebug(2,Form("\n--- processing point %d --- \n",ipt)); | |
2087 | ||
2088 | // set geometry parameters for the the current module | |
2089 | if (InitModuleParams()) continue; | |
2090 | AliDebug(2,Form(" VolID=%d Index=%d InternalIdx=%d symname=%s\n", | |
2091 | track->GetVolumeID()[ipt], fCurrentModule->GetIndex(), | |
2092 | fCurrentModule->GetUniqueID(), AliGeomManager::SymName(track->GetVolumeID()[ipt]) )); | |
2093 | AliDebug(2,Form(" Preprocessed Point = ( %f , %f , %f ) \n",fCluster.GetX(),fCluster.GetY(),fCluster.GetZ())); | |
2094 | int res = fTPAFitter ? AddLocalEquationTPA(md[nloceq]) : AddLocalEquation(md[nloceq]); | |
2095 | if (res<0) {fTotBadLocEqPoints++; nloceq = 0; break;} | |
2096 | else if (res>0) {nloceq++; ngloeq++;} | |
2097 | } // end loop over points | |
2098 | // | |
2099 | fTrack=NULL; | |
2100 | // not enough good points? | |
2101 | if (nloceq<fMinNPtsPerTrack || ngloeq<1) return -1; | |
2102 | // | |
2103 | // finally send local equations to millepede | |
2104 | SetLocalEquations(md,nloceq); | |
2105 | fMillepede->SaveRecordData(); // RRR | |
2106 | // | |
2107 | return 0; | |
2108 | } | |
2109 | ||
2110 | //________________________________________________________________________________________________________ | |
2111 | Int_t AliITSAlignMille2::CalcIntersectionPoint(Double_t *lpar, Double_t *gpar) | |
2112 | { | |
2113 | /// calculate track intersection point in local coordinates | |
2114 | /// according with a given set of parameters (local(4) and global(6)) | |
2115 | /// and fill fPintLoc/Glo | |
2116 | /// local are: pgx0, pgz0, ugx, ugz OR riemann fitters pars | |
2117 | /// global are: tx,ty,tz,psi,theta,phi (Raff's delta angles in deg.) | |
2118 | /// return 0 if success | |
2119 | ||
2120 | 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])); | |
2121 | 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])); | |
2122 | ||
2123 | ||
2124 | // prepare the TGeoHMatrix | |
2125 | TGeoHMatrix *tempHMat = fCurrentModule->GetSensitiveVolumeModifiedMatrix(fCluster.GetVolumeID(),gpar, | |
2126 | !fUseGlobalDelta); | |
2127 | if (!tempHMat) return -1; | |
2128 | ||
2129 | Double_t v0g[3]; // vector with straight line direction in global coord. | |
2130 | Double_t p0g[3]; // point of the straight line (glo) | |
2131 | ||
2132 | if (fBOn) { // B FIELD! | |
2133 | AliTrackPoint prf; | |
2134 | for (int ip=0; ip<5; ip++) | |
2135 | fRieman->SetParam(ip,lpar[ip]); | |
2136 | ||
2137 | if (!fRieman->GetPCA(fCluster,prf)) { | |
2138 | AliInfo(Form("error in GetPCA for point %d",fCluster.GetVolumeID())); | |
2139 | return -3; | |
2140 | } | |
2141 | // now determine straight line passing tangent to fit curve at prf | |
2142 | // ugx = dX/dY_glo = DeltaX/DeltaY_glo | |
2143 | // mo' P1=(X,Y,Z)_glo_prf | |
2144 | // => (x,y,Z)_trk_prf ruotando di alpha... | |
2145 | Double_t alpha=fRieman->GetAlpha(); | |
2146 | Double_t x1g = prf.GetX(); | |
2147 | Double_t y1g = prf.GetY(); | |
2148 | Double_t z1g = prf.GetZ(); | |
2149 | Double_t x1t = x1g*TMath::Cos(alpha) + y1g*TMath::Sin(alpha); | |
2150 | Double_t y1t = -x1g*TMath::Sin(alpha) + y1g*TMath::Cos(alpha); | |
2151 | Double_t z1t = z1g; | |
2152 | ||
2153 | Double_t x2t = x1t+1.0; | |
2154 | Double_t y2t = y1t+fRieman->GetDYat(x1t); | |
2155 | Double_t z2t = z1t+fRieman->GetDZat(x1t); | |
2156 | Double_t x2g = x2t*TMath::Cos(alpha) - y2t*TMath::Sin(alpha); | |
2157 | Double_t y2g = x2t*TMath::Sin(alpha) + y2t*TMath::Cos(alpha); | |
2158 | Double_t z2g = z2t; | |
2159 | ||
2160 | AliDebug(3,Form("Riemann frame: fAlpha = %f = %f ",alpha,alpha*180./TMath::Pi())); | |
2161 | AliDebug(3,Form(" prf_glo=( %f , %f , %f ) prf_rf=( %f , %f , %f )\n", x1g,y1g,z1g, x1t,y1t,z1t)); | |
2162 | AliDebug(3,Form(" mov_glo=( %f , %f , %f ) rf=( %f , %f , %f )\n",x2g,y2g,z2g, x2t,y2t,z2t)); | |
2163 | ||
2164 | if (TMath::Abs(y2g-y1g)<1e-15) { | |
2165 | AliInfo("DeltaY=0! Cannot proceed..."); | |
2166 | return -1; | |
2167 | } | |
2168 | // ugx,1,ugz | |
2169 | v0g[0] = (x2g-x1g)/(y2g-y1g); | |
2170 | v0g[1]=1.0; | |
2171 | v0g[2] = (z2g-z1g)/(y2g-y1g); | |
2172 | ||
2173 | // point: just keep prf | |
2174 | p0g[0]=x1g; | |
2175 | p0g[1]=y1g; | |
2176 | p0g[2]=z1g; | |
2177 | } | |
2178 | else { // staight line | |
2179 | // vector of initial straight line direction in glob. coord | |
2180 | v0g[0]=lpar[2]; | |
2181 | v0g[1]=1.0; | |
2182 | v0g[2]=lpar[3]; | |
2183 | ||
2184 | // intercept in yg=0 plane in glob coord | |
2185 | p0g[0]=lpar[0]; | |
2186 | p0g[1]=0.0; | |
2187 | p0g[2]=lpar[1]; | |
2188 | } | |
2189 | 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])); | |
2190 | ||
2191 | // same in local coord. | |
2192 | Double_t p0l[3],v0l[3]; | |
2193 | tempHMat->MasterToLocalVect(v0g,v0l); | |
2194 | tempHMat->MasterToLocal(p0g,p0l); | |
2195 | ||
2196 | if (TMath::Abs(v0l[1])<1e-15) { | |
2197 | AliInfo("Track Y direction in local frame is zero! Cannot proceed..."); | |
2198 | return -1; | |
2199 | } | |
2200 | ||
2201 | // local intersection point | |
2202 | fPintLoc[0] = p0l[0] - (v0l[0]/v0l[1])*p0l[1]; | |
2203 | fPintLoc[1] = 0; | |
2204 | fPintLoc[2] = p0l[2] - (v0l[2]/v0l[1])*p0l[1]; | |
2205 | ||
2206 | // global intersection point | |
2207 | tempHMat->LocalToMaster(fPintLoc,fPintGlo); | |
2208 | 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])); | |
2209 | ||
2210 | return 0; | |
2211 | } | |
2212 | ||
2213 | //________________________________________________________________________________________________________ | |
2214 | Int_t AliITSAlignMille2::CalcDerivatives(Int_t paridx, Bool_t islpar) | |
2215 | { | |
2216 | /// calculate numerically (ROOT's style) the derivatives for | |
2217 | /// local X intersection and local Z intersection | |
2218 | /// parlist: local (islpar=kTRUE) pgx0, pgz0, ugx0, ugz0 OR riemann's params | |
2219 | /// global (islpar=kFALSE) tx, ty, tz, psi, theta, phi (Raf's angles in deg) | |
2220 | /// return 0 if success | |
2221 | ||
2222 | // copy initial parameters | |
2223 | Double_t lpar[kNLocal]; | |
2224 | Double_t gpar[kNParCh]; | |
2225 | Double_t *derivative; | |
2226 | for (Int_t i=0; i<kNLocal; i++) lpar[i]=fLocalInitParam[i]; | |
2227 | for (Int_t i=0; i<kNParCh; i++) gpar[i]=fModuleInitParam[i]; | |
2228 | ||
2229 | // trial with fixed dpar... | |
2230 | Double_t dpar = 0.; | |
2231 | ||
2232 | if (islpar) { // track parameters | |
2233 | //dpar=fLocalInitParam[paridx]*0.001; | |
2234 | // set minimum dpar | |
2235 | derivative = fDerivativeLoc[paridx]; | |
2236 | if (!fBOn) { | |
2237 | if (paridx<3) dpar=1.0e-4; // translations | |
2238 | else dpar=1.0e-6; // direction | |
2239 | } | |
2240 | else { // B Field | |
2241 | // pepo: proviamo con 1/1000, poi evenctually 1/100... | |
2242 | Double_t dfrac=0.01; | |
2243 | switch(paridx) { | |
2244 | case 0: | |
2245 | // RMS cosmics: 1e-4 | |
2246 | dpar = TMath::Max(1.0e-6,TMath::Abs(fLocalInitParam[paridx]*dfrac)); | |
2247 | break; | |
2248 | case 1: | |
2249 | // RMS cosmics: 0.2 | |
2250 | dpar = TMath::Max(0.002,TMath::Abs(fLocalInitParam[paridx]*dfrac)); | |
2251 | break; | |
2252 | case 2: | |
2253 | // RMS cosmics: 9 | |
2254 | dpar = TMath::Max(0.09,TMath::Abs(fLocalInitParam[paridx]*dfrac)); | |
2255 | break; | |
2256 | case 3: | |
2257 | // RMS cosmics: 7 | |
2258 | dpar = TMath::Max(0.07,TMath::Abs(fLocalInitParam[paridx]*dfrac)); | |
2259 | break; | |
2260 | case 4: | |
2261 | // RMS cosmics: 0.3 | |
2262 | dpar = TMath::Max(0.003,TMath::Abs(fLocalInitParam[paridx]*dfrac)); | |
2263 | break; | |
2264 | } | |
2265 | } | |
2266 | } | |
2267 | else { // alignment global parameters | |
2268 | derivative = fDerivativeGlo[paridx]; | |
2269 | //dpar=fModuleInitParam[paridx]*0.001; | |
2270 | if (paridx<3) dpar=1.0e-4; // translations | |
2271 | else dpar=1.0e-2; // angles | |
2272 | } | |
2273 | ||
2274 | AliDebug(3,Form("+++ using dpar=%g",dpar)); | |
2275 | ||
2276 | // calculate derivative ROOT's like: | |
2277 | // using f(x+h),f(x-h),f(x+h/2),f(x-h2)... | |
2278 | Double_t pintl1[3]; // f(x-h) | |
2279 | Double_t pintl2[3]; // f(x-h/2) | |
2280 | Double_t pintl3[3]; // f(x+h/2) | |
2281 | Double_t pintl4[3]; // f(x+h) | |
2282 | ||
2283 | // first values | |
2284 | if (islpar) lpar[paridx] -= dpar; | |
2285 | else gpar[paridx] -= dpar; | |
2286 | if (CalcIntersectionPoint(lpar, gpar)) return -2; | |
2287 | for (Int_t i=0; i<3; i++) pintl1[i]=fPintLoc[i]; | |
2288 | ||
2289 | // second values | |
2290 | if (islpar) lpar[paridx] += dpar/2; | |
2291 | else gpar[paridx] += dpar/2; | |
2292 | if (CalcIntersectionPoint(lpar, gpar)) return -2; | |
2293 | for (Int_t i=0; i<3; i++) pintl2[i]=fPintLoc[i]; | |
2294 | ||
2295 | // third values | |
2296 | if (islpar) lpar[paridx] += dpar; | |
2297 | else gpar[paridx] += dpar; | |
2298 | if (CalcIntersectionPoint(lpar, gpar)) return -2; | |
2299 | for (Int_t i=0; i<3; i++) pintl3[i]=fPintLoc[i]; | |
2300 | ||
2301 | // fourth values | |
2302 | if (islpar) lpar[paridx] += dpar/2; | |
2303 | else gpar[paridx] += dpar/2; | |
2304 | if (CalcIntersectionPoint(lpar, gpar)) return -2; | |
2305 | for (Int_t i=0; i<3; i++) pintl4[i]=fPintLoc[i]; | |
2306 | ||
2307 | Double_t h2 = 1./(2.*dpar); | |
2308 | Double_t d0 = pintl4[0]-pintl1[0]; | |
2309 | Double_t d2 = 2.*(pintl3[0]-pintl2[0]); | |
2310 | derivative[0] = h2*(4*d2 - d0)/3.; | |
2311 | if (TMath::Abs(derivative[0]) < 1.0e-9) derivative[0] = 0.0; | |
2312 | ||
2313 | d0 = pintl4[2]-pintl1[2]; | |
2314 | d2 = 2.*(pintl3[2]-pintl2[2]); | |
2315 | derivative[2] = h2*(4*d2 - d0)/3.; | |
2316 | if (TMath::Abs(derivative[2]) < 1.0e-9) derivative[2]=0.0; | |
2317 | ||
2318 | AliDebug(3,Form("\n+++ derivatives +++ \n")); | |
2319 | AliDebug(3,Form("+++ dXLoc/dpar = %g +++\n",derivative[0])); | |
2320 | AliDebug(3,Form("+++ dZLoc/dpar = %g +++\n\n",derivative[2])); | |
2321 | ||
2322 | return 0; | |
2323 | } | |
2324 | ||
2325 | //________________________________________________________________________________________________________ | |
2326 | Int_t AliITSAlignMille2::AddLocalEquation(Mille2Data &m) | |
2327 | { | |
2328 | /// Define local equation for current cluster in X and Z coor. | |
2329 | /// and store them to memory | |
2330 | /// return -1 in case of failure to build some equation | |
2331 | /// 0 if no free global parameters were found but local eq is built | |
2332 | /// 1 if both local and global eqs are built | |
2333 | // | |
2334 | // store first intersection point | |
2335 | if (CalcIntersectionPoint(fLocalInitParam, fModuleInitParam)) return -1; | |
2336 | for (Int_t i=0; i<3; i++) fPintLoc0[i]=fPintLoc[i]; | |
2337 | ||
2338 | AliDebug(2,Form("Intersect. point: L( %f , %f , %f )",fPintLoc[0],fPintLoc[1],fPintLoc[2])); | |
2339 | ||
2340 | // calculate local derivatives numerically | |
2341 | Bool_t zeroX = kTRUE; | |
2342 | Bool_t zeroZ = kTRUE; | |
2343 | // | |
2344 | for (Int_t i=0; i<fNLocal; i++) { | |
2345 | if (CalcDerivatives(i,kTRUE)) return -1; | |
2346 | m.fDerLoc[i][kX] = fDerivativeLoc[i][0]; | |
2347 | m.fDerLoc[i][kZ] = fDerivativeLoc[i][2]; | |
2348 | if (zeroX) zeroX = IsZero(fDerivativeLoc[i][0]); | |
2349 | if (zeroZ) zeroZ = IsZero(fDerivativeLoc[i][2]); | |
2350 | } | |
2351 | // for (Int_t i=0; i<fNLocal; i++) AliDebug(2,Form("Local parameter %d - dXdpar = %g - dZdpar = %g\n",i,dXdL[i],dZdL[i])); | |
2352 | // | |
2353 | if (zeroX) {AliInfo("Skipping: zero local X derivatives!"); return -1;} | |
2354 | if (zeroZ) {AliInfo("Skipping: zero local Z derivatives!"); return -1;} | |
2355 | // | |
2356 | int ifill = 0; | |
2357 | // | |
2358 | AliITSAlignMille2Module* endModule = fCurrentModule; | |
2359 | // | |
2360 | zeroX = zeroZ = kTRUE; | |
2361 | Bool_t dfDone[kNParCh]; | |
2362 | for (int i=kNParCh;i--;) dfDone[i] = kFALSE; | |
2363 | m.fNModFilled = 0; | |
2364 | // | |
2365 | // special block for SDD derivatives | |
2366 | Double_t jacobian[kNParChGeom]; | |
2367 | Int_t nmodTested = 0; | |
2368 | // | |
2369 | do { | |
2370 | if (fCurrentModule->GetNParFree()==0) continue; | |
2371 | nmodTested++; | |
2372 | for (Int_t i=0; i<kNParChGeom; i++) { // common for all sensors: derivatives over geom params | |
2373 | // | |
2374 | if (!fUseGlobalDelta) dfDone[i] = kFALSE; // for global deltas the derivatives at diff. levels are different | |
2375 | if (fCurrentModule->GetParOffset(i)<0) continue; // this parameter is not explicitly fitted | |
2376 | if (!dfDone[i]) { | |
2377 | if (CalcDerivatives(i,kFALSE)) return -1; | |
2378 | else { | |
2379 | dfDone[i] = kTRUE; | |
2380 | if (zeroX) zeroX = IsZero(fDerivativeGlo[i][0]); | |
2381 | if (zeroZ) zeroZ = IsZero(fDerivativeGlo[i][2]); | |
2382 | } | |
2383 | } | |
2384 | // | |
2385 | m.fDerGlo[ifill][kX] = fDerivativeGlo[i][0]; | |
2386 | m.fDerGlo[ifill][kZ] = fDerivativeGlo[i][2]; | |
2387 | m.fParMilleID[ifill++] = fCurrentModule->GetParOffset(i); | |
2388 | } | |
2389 | // | |
2390 | // specific for special sensors | |
2391 | if ( fCurrentModule->IsSDD() && | |
2392 | (fCurrentModule->GetParOffset(AliITSAlignMille2Module::kDOFT0)>=0 || | |
2393 | fCurrentModule->GetParOffset(AliITSAlignMille2Module::kDOFDV)>=0) ) { | |
2394 | // | |
2395 | // assume for sensor local xloc = xloc0 + V0*dT0+dV*(T-T0) | |
2396 | // where V0 and T are the nominal drift velocity, time and time0 | |
2397 | // and the dT0 and dV are the corrections: | |
2398 | // dX/dT0 = dX/dxloc * dxloc/dT0 = dX/dxloc * V0 | |
2399 | // dX/dV = dX/dxloc * dxloc/dV = dX/dxloc * (T-T0) | |
2400 | // IMPORTANT: the geom derivatives are over the SENSOR LOCAL parameters | |
2401 | // | |
2402 | if (!dfDone[AliITSAlignMille2Module::kDOFT0] || !dfDone[AliITSAlignMille2Module::kDOFDV]) { | |
2403 | // | |
2404 | double dXdxlocsens=0., dZdxlocsens=0.; | |
2405 | // | |
2406 | // if the current module is the sensor itself and we work with local params, then | |
2407 | // we can directly take dX/dxloc_sens dZ/dxloc_sens | |
2408 | if (!fUseGlobalDelta && fCurrentModule->GetVolumeID()==fCluster.GetVolumeID()) { | |
2409 | if (!dfDone[AliITSAlignMille2Module::kDOFTX]) { | |
2410 | CalcDerivatives(AliITSAlignMille2Module::kDOFTX,kFALSE); | |
2411 | dfDone[AliITSAlignMille2Module::kDOFTX] = kTRUE; | |
2412 | } | |
2413 | dXdxlocsens = fDerivativeGlo[AliITSAlignMille2Module::kDOFTX][0]; | |
2414 | dZdxlocsens = fDerivativeGlo[AliITSAlignMille2Module::kDOFTX][2]; | |
2415 | } | |
2416 | // | |
2417 | else { // need to perform some transformations | |
2418 | // fetch the jacobian of the transformation from the sensors local frame to the frame | |
2419 | // where the parameters are defined: | |
2420 | // Global: dX/dxloc_sens = dX/dxgl*dxgl/dxloc_sens + ...dX/dphigl*dphigl/dxloc_sens | |
2421 | if (fUseGlobalDelta) fCurrentModule->CalcDerivGloLoc(fCluster.GetVolumeID(), | |
2422 | AliITSAlignMille2Module::kDOFTX, jacobian); | |
2423 | // Local: dX/dxloc_sens = dX/dxcurr*dxcurr/dxloc_sens +..+dX/dphicurr * dphicurr/dxloc_sens | |
2424 | else fCurrentModule->CalcDerivCurLoc(fCluster.GetVolumeID(), | |
2425 | AliITSAlignMille2Module::kDOFTX, jacobian); | |
2426 | // | |
2427 | for (int j=0;j<kNParChGeom;j++) { | |
2428 | // need global derivative even if the j-th param is locked | |
2429 | if (!dfDone[j]) {CalcDerivatives(j,kFALSE); dfDone[j] = kTRUE;} | |
2430 | dXdxlocsens += fDerivativeGlo[j][0] * jacobian[j]; | |
2431 | dZdxlocsens += fDerivativeGlo[j][2] * jacobian[j]; | |
2432 | } | |
2433 | } | |
2434 | // | |
2435 | if (zeroX) zeroX = IsZero(dXdxlocsens); | |
2436 | if (zeroZ) zeroZ = IsZero(dZdxlocsens); | |
2437 | // | |
2438 | double vdrift = GetVDriftSDD(); | |
2439 | double tdrift = GetTDriftSDD(); | |
2440 | // | |
2441 | fDerivativeGlo[AliITSAlignMille2Module::kDOFT0][0] = dXdxlocsens*vdrift; | |
2442 | fDerivativeGlo[AliITSAlignMille2Module::kDOFT0][2] = dZdxlocsens*vdrift; | |
2443 | dfDone[AliITSAlignMille2Module::kDOFT0] = kTRUE; | |
2444 | // | |
2445 | fDerivativeGlo[AliITSAlignMille2Module::kDOFDV][0] = -dXdxlocsens*TMath::Sign(tdrift,vdrift); | |
2446 | fDerivativeGlo[AliITSAlignMille2Module::kDOFDV][2] = -dZdxlocsens*TMath::Sign(tdrift,vdrift); | |
2447 | dfDone[AliITSAlignMille2Module::kDOFDV] = kTRUE; | |
2448 | // | |
2449 | } | |
2450 | // | |
2451 | if (fCurrentModule->GetParOffset(AliITSAlignMille2Module::kDOFT0)>=0) { | |
2452 | m.fDerGlo[ifill][kX] = fDerivativeGlo[AliITSAlignMille2Module::kDOFT0][0]; | |
2453 | m.fDerGlo[ifill][kZ] = fDerivativeGlo[AliITSAlignMille2Module::kDOFT0][2]; | |
2454 | m.fParMilleID[ifill++] = fCurrentModule->GetParOffset(AliITSAlignMille2Module::kDOFT0); | |
2455 | } | |
2456 | // | |
2457 | if (fCurrentModule->GetParOffset(AliITSAlignMille2Module::kDOFDV)>=0) { | |
2458 | m.fDerGlo[ifill][kX] = fDerivativeGlo[AliITSAlignMille2Module::kDOFDV][0]; | |
2459 | m.fDerGlo[ifill][kZ] = fDerivativeGlo[AliITSAlignMille2Module::kDOFDV][2]; | |
2460 | m.fParMilleID[ifill++] = fCurrentModule->GetParOffset(AliITSAlignMille2Module::kDOFDV); | |
2461 | } | |
2462 | } | |
2463 | // | |
2464 | m.fModuleID[m.fNModFilled++] = fCurrentModule->GetUniqueID(); | |
2465 | } while( (fCurrentModule=fCurrentModule->GetParent()) ); | |
2466 | // | |
2467 | if (nmodTested>0 && zeroX) {AliInfo("Skipping: zero global X derivatives!");return -1;} | |
2468 | if (nmodTested>0 && zeroZ) {AliInfo("Skipping: zero global Z derivatives!");return -1;} | |
2469 | // | |
2470 | // ok, can copy to m | |
2471 | AliDebug(2,Form("Adding local equation X with fMeas=%.6f and fSigma=%.6f",(fMeasLoc[0]-fPintLoc0[0]), fSigmaLoc[0])); | |
2472 | m.fMeas[kX] = fMeasLoc[0]-fPintLoc0[0]; | |
2473 | m.fSigma[kX] = fSigmaLoc[0]; | |
2474 | // | |
2475 | AliDebug(2,Form("Adding local equation Z with fMeas=%.6f and fSigma=%.6f",(fMeasLoc[2]-fPintLoc0[2]), fSigmaLoc[2])); | |
2476 | m.fMeas[kZ] = fMeasLoc[2]-fPintLoc0[2]; | |
2477 | m.fSigma[kZ] = fSigmaLoc[2]; | |
2478 | // | |
2479 | m.fNGlobFilled = ifill; | |
2480 | fCurrentModule = endModule; | |
2481 | // | |
2482 | return Int_t(!zeroX && !zeroZ); | |
2483 | } | |
2484 | ||
2485 | //________________________________________________________________________________________________________ | |
2486 | Int_t AliITSAlignMille2::AddLocalEquationTPA(Mille2Data &m) | |
2487 | { | |
2488 | /// Define local equation for current cluster in X Y and Z coor. | |
2489 | /// and store them to memory | |
2490 | /// return -1 in case of failure to build some equation | |
2491 | /// 0 if no free global parameters were found but local eq is built | |
2492 | /// 1 if both local and global eqs are built | |
2493 | // | |
2494 | int curpoint = fCluster.GetUniqueID()-1; | |
2495 | TGeoHMatrix *tempHMat = GetSensorCurrMatrixSID(fCurrentSensID);// fCurrentModule->GetSensitiveVolumeMatrix(fCluster.GetVolumeID()); | |
2496 | // | |
2497 | fTPAFitter->GetDResDParams(&fDerivativeLoc[0][0], curpoint); // resid. derivatives over the track parameters | |
2498 | for (Int_t i=fNLocal; i--;) tempHMat->MasterToLocalVect(fDerivativeLoc[i],m.fDerLoc[i]); | |
2499 | // | |
2500 | // derivatives over the global parameters ---------------------------------------->>> | |
2501 | Double_t dRdP[3][3]; // derivative of local residuals vs local position | |
2502 | Double_t dPdG[AliITSAlignMille2Module::kMaxParGeom][3]; // derivatives of local position vs global params | |
2503 | fTPAFitter->GetDResDPos(&fDerivativeGlo[0][0], curpoint); | |
2504 | for (int i=3;i--;) tempHMat->MasterToLocalVect(fDerivativeGlo[i],dRdP[i]); | |
2505 | // | |
2506 | UInt_t ifill=0, dfDone = 0; | |
2507 | m.fNModFilled = 0; | |
2508 | // | |
2509 | AliITSAlignMille2Module* endModule = fCurrentModule; | |
2510 | // | |
2511 | do { | |
2512 | if (fCurrentModule->GetNParFree()==0) continue; | |
2513 | if (!fUseGlobalDelta) dfDone = 0; // for local deltas the derivatives at diff. levels are different | |
2514 | Bool_t jacobOK = kFALSE; | |
2515 | // | |
2516 | for (Int_t i=0; i<kNParChGeom; i++) { // common for all sensors: derivatives over geom params | |
2517 | if (fCurrentModule->GetParOffset(i)<0) continue; // this parameter is not explicitly fitted | |
2518 | // | |
2519 | if (!TestWordBit(dfDone,i)) { // need to calculate new derivative | |
2520 | if (!jacobOK) {fCurrentModule->CalcDerivDPosDPar(fCluster.GetVolumeID(),fMeasLoc,&dPdG[0][0]); jacobOK = kTRUE;} | |
2521 | // dRes_j/dGlo_i = \sum_{k=1:3} dRes_j/dPos_k * dPos_k/dGlo_i | |
2522 | fDerivativeGlo[i][kX] = dRdP[kX][kX]*dPdG[i][kX] + dRdP[kY][kX]*dPdG[i][kY] + dRdP[kZ][kX]*dPdG[i][kZ]; | |
2523 | fDerivativeGlo[i][kY] = dRdP[kX][kY]*dPdG[i][kX] + dRdP[kY][kY]*dPdG[i][kY] + dRdP[kZ][kY]*dPdG[i][kZ]; | |
2524 | fDerivativeGlo[i][kZ] = dRdP[kX][kZ]*dPdG[i][kX] + dRdP[kY][kZ]*dPdG[i][kY] + dRdP[kZ][kZ]*dPdG[i][kZ]; | |
2525 | SetWordBit(dfDone,i); | |
2526 | } | |
2527 | // | |
2528 | m.fDerGlo[ifill][kX] = fDerivativeGlo[i][kX]; | |
2529 | m.fDerGlo[ifill][kY] = fDerivativeGlo[i][kY]; | |
2530 | m.fDerGlo[ifill][kZ] = fDerivativeGlo[i][kZ]; | |
2531 | m.fParMilleID[ifill++] = fCurrentModule->GetParOffset(i); | |
2532 | // | |
2533 | } | |
2534 | // | |
2535 | if ( fCurrentModule->IsSDD() ) { // specific for SDD | |
2536 | // | |
2537 | // assume for sensor local xloc = xloc0 + V0*dT0+dV*(T-T0) | |
2538 | // where V0 and T are the nominal drift velocity, time and time0 | |
2539 | // and the dT0 and dV are the corrections: | |
2540 | // dX/dT0 = dX/dxloc * dxloc/dT0 = dX/dxloc * V0 | |
2541 | // dX/dV = dX/dxloc * dxloc/dV = dX/dxloc * (T-T0) | |
2542 | // IMPORTANT: the geom derivatives are over the SENSOR LOCAL parameters | |
2543 | // | |
2544 | if (fCurrentModule->GetParOffset(AliITSAlignMille2Module::kDOFT0)>=0) { | |
2545 | if (!TestWordBit(dfDone, AliITSAlignMille2Module::kDOFT0)) { | |
2546 | double vdrift = GetVDriftSDD(); | |
2547 | fDerivativeGlo[AliITSAlignMille2Module::kDOFT0][kX] = -dRdP[kX][kX]*vdrift; | |
2548 | fDerivativeGlo[AliITSAlignMille2Module::kDOFT0][kY] = -dRdP[kX][kY]*vdrift; | |
2549 | fDerivativeGlo[AliITSAlignMille2Module::kDOFT0][kZ] = -dRdP[kX][kZ]*vdrift; | |
2550 | SetWordBit(dfDone, AliITSAlignMille2Module::kDOFT0); | |
2551 | } | |
2552 | m.fDerGlo[ifill][kX] = fDerivativeGlo[AliITSAlignMille2Module::kDOFT0][kX]; | |
2553 | m.fDerGlo[ifill][kY] = fDerivativeGlo[AliITSAlignMille2Module::kDOFT0][kY]; | |
2554 | m.fDerGlo[ifill][kZ] = fDerivativeGlo[AliITSAlignMille2Module::kDOFT0][kZ]; | |
2555 | m.fParMilleID[ifill++] = fCurrentModule->GetParOffset(AliITSAlignMille2Module::kDOFT0); | |
2556 | } | |
2557 | // | |
2558 | if (fCurrentModule->GetParOffset(AliITSAlignMille2Module::kDOFDV)>=0) { | |
2559 | if (!TestWordBit(dfDone, AliITSAlignMille2Module::kDOFDV)) { | |
2560 | double tdrift = TMath::Sign(GetTDriftSDD(), GetVDriftSDD()); | |
2561 | fDerivativeGlo[AliITSAlignMille2Module::kDOFDV][kX] = dRdP[kX][kX]*tdrift; | |
2562 | fDerivativeGlo[AliITSAlignMille2Module::kDOFDV][kY] = dRdP[kX][kY]*tdrift; | |
2563 | fDerivativeGlo[AliITSAlignMille2Module::kDOFDV][kZ] = dRdP[kX][kZ]*tdrift; | |
2564 | SetWordBit(dfDone, AliITSAlignMille2Module::kDOFDV); | |
2565 | } | |
2566 | m.fDerGlo[ifill][kX] = fDerivativeGlo[AliITSAlignMille2Module::kDOFDV][kX]; | |
2567 | m.fDerGlo[ifill][kY] = fDerivativeGlo[AliITSAlignMille2Module::kDOFDV][kY]; | |
2568 | m.fDerGlo[ifill][kZ] = fDerivativeGlo[AliITSAlignMille2Module::kDOFDV][kZ]; | |
2569 | m.fParMilleID[ifill++] = fCurrentModule->GetParOffset(AliITSAlignMille2Module::kDOFDV); | |
2570 | } | |
2571 | } | |
2572 | // | |
2573 | m.fModuleID[m.fNModFilled++] = fCurrentModule->GetUniqueID(); | |
2574 | } while( (fCurrentModule=fCurrentModule->GetParent()) ); | |
2575 | // | |
2576 | // store first local residuals | |
2577 | fTPAFitter->GetResiduals(fPintLoc , curpoint); // lab residuals | |
2578 | for (int i=3;i--;) fPintLoc[i] = -fPintLoc[i]; | |
2579 | tempHMat->MasterToLocalVect(fPintLoc,m.fMeas); // local residuals | |
2580 | m.fSigma[kX] = fSigmaLoc[kX]; | |
2581 | m.fSigma[kY] = fSigmaLoc[kY]; | |
2582 | m.fSigma[kZ] = fSigmaLoc[kZ]; | |
2583 | // | |
2584 | m.fNGlobFilled = ifill; | |
2585 | fCurrentModule = endModule; | |
2586 | // | |
2587 | return 1; | |
2588 | } | |
2589 | ||
2590 | //________________________________________________________________________________________________________ | |
2591 | void AliITSAlignMille2::SetLocalEquations(const Mille2Data *marr, Int_t neq) | |
2592 | { | |
2593 | /// Set local equations with data stored in m | |
2594 | /// return 0 if success | |
2595 | // | |
2596 | for (Int_t j=0; j<neq; j++) { | |
2597 | // | |
2598 | const Mille2Data &m = marr[j]; | |
2599 | // | |
2600 | Bool_t filled = kFALSE; | |
2601 | for (int ic=3;ic--;) { | |
2602 | if (ic==kY && !fUseLocalYErr) continue; | |
2603 | AliDebug(2,Form("setting local equation %c with fMeas=%.6f and fSigma=%.6f",fgkXYZ[ic],m.fMeas[ic], m.fSigma[ic])); | |
2604 | Bool_t zero = kTRUE; | |
2605 | for (int i=fNLocal; i--;) zero &= SetLocalDerivative( i, m.fDerLoc[i][ic] ); | |
2606 | for (int i=m.fNGlobFilled;i--;) zero &= SetGlobalDerivative( m.fParMilleID[i] , m.fDerGlo[i][ic] ); | |
2607 | if (zero) { AliInfo(Form("Skipping %c residual due to the zero derivatives!",fgkXYZ[ic])); continue; } | |
2608 | fMillepede->SetLocalEquation(fGlobalDerivatives, fLocalDerivatives, m.fMeas[ic], m.fSigma[ic]); | |
2609 | filled = kTRUE; | |
2610 | // | |
2611 | } | |
2612 | // | |
2613 | if (filled) for (int i=m.fNModFilled;i--;) GetMilleModule(m.fModuleID[i])->IncNProcessedPoints(); | |
2614 | } | |
2615 | } | |
2616 | ||
2617 | //________________________________________________________________________________________________________ | |
2618 | Int_t AliITSAlignMille2::GlobalFit() | |
2619 | { | |
2620 | /// Call global fit; Global parameters are stored in parameters | |
2621 | if (!fIsMilleInit) Init(); | |
2622 | // | |
2623 | ApplyPreConstraints(); | |
2624 | int res = fMillepede->GlobalFit(); | |
2625 | AliInfo(Form("%s fitting global parameters!",res ? "Done":"Failed")); | |
2626 | if (res) { | |
2627 | // fetch the parameters | |
2628 | for (int imd=fNModules;imd--;) { | |
2629 | AliITSAlignMille2Module* mod = GetMilleModule(imd); | |
2630 | int nprocp = 0; | |
2631 | for (int ip=mod->GetNParTot();ip--;) { | |
2632 | int idp = mod->GetParOffset(ip); | |
2633 | if (idp<0) continue; // was not in the explicit fit | |
2634 | mod->SetParVal(ip,fMillepede->GetFinalParam(idp)); | |
2635 | mod->SetParErr(ip,fMillepede->GetFinalError(idp)); | |
2636 | int np = fMillepede->GetProcessedPoints(idp); | |
2637 | if (TMath::Abs(np)>TMath::Abs(nprocp)) nprocp = np; | |
2638 | } | |
2639 | if (!mod->GetNProcessedPoints()) mod->SetNProcessedPoints(nprocp); | |
2640 | } | |
2641 | ||
2642 | } | |
2643 | ApplyPostConstraints(); | |
2644 | return res; | |
2645 | } | |
2646 | ||
2647 | //________________________________________________________________________________________________________ | |
2648 | void AliITSAlignMille2::PrintGlobalParameters() | |
2649 | { | |
2650 | /// Print global parameters | |
2651 | if (!fIsMilleInit) { | |
2652 | AliInfo("Millepede has not been initialized!"); | |
2653 | return; | |
2654 | } | |
2655 | fMillepede->PrintGlobalParameters(); | |
2656 | } | |
2657 | ||
2658 | //________________________________________________________________________________________________________ | |
2659 | Int_t AliITSAlignMille2::LoadSuperModuleFile(const Char_t *sfile) | |
2660 | { | |
2661 | // load definitions of supermodules from a root file | |
2662 | // return 0 if success | |
2663 | ||
2664 | TFile *smf=TFile::Open(sfile); | |
2665 | if (!smf->IsOpen()) { | |
2666 | AliInfo(Form("Cannot open supermodule file %s",sfile)); | |
2667 | return -1; | |
2668 | } | |
2669 | ||
2670 | TClonesArray *sma=(TClonesArray*)smf->Get("ITSMilleSuperModules"); | |
2671 | if (!sma) { | |
2672 | AliInfo(Form("Cannot find ITSMilleSuperModules array in file")); | |
2673 | return -2; | |
2674 | } | |
2675 | Int_t nsma=sma->GetEntriesFast(); | |
2676 | AliInfo(Form("Array of SuperModules with %d entries\n",nsma)); | |
2677 | // | |
2678 | // pepo200709 | |
2679 | Char_t st[2048]; | |
2680 | char symname[250]; | |
2681 | // end pepo200709 | |
2682 | ||
2683 | UShort_t volid; | |
2684 | TGeoHMatrix m; | |
2685 | // | |
2686 | for (Int_t i=0; i<nsma; i++) { | |
2687 | AliAlignObjParams *a = (AliAlignObjParams*)sma->UncheckedAt(i); | |
2688 | volid=a->GetVolUID(); | |
2689 | strcpy(st,a->GetSymName()); | |
2690 | a->GetMatrix(m); | |
2691 | // | |
2692 | sscanf(st,"%s",symname); | |
2693 | // | |
2694 | // decode module list | |
2695 | char *stp=strstr(st,"ModuleList:"); | |
2696 | if (!stp) return -3; | |
2697 | stp += 11; | |
2698 | int idx[2200]; | |
2699 | char spp[200]; int jp=0; | |
2700 | char cl[20]; | |
2701 | strcpy(st,stp); | |
2702 | int l=strlen(st); | |
2703 | int j=0; | |
2704 | int n=0; | |
2705 | // | |
2706 | while (j<=l) { | |
2707 | if (st[j]==9 || st[j]==32 || st[j]==10 || st[j]==0) { | |
2708 | spp[jp]=0; | |
2709 | jp=0; | |
2710 | if (strlen(spp)) { | |
2711 | int k=strcspn(spp,"-"); | |
2712 | if (k<int(strlen(spp))) { // c'e' il - | |
2713 | strcpy(cl,&(spp[k+1])); | |
2714 | spp[k]=0; | |
2715 | int ifrom=atoi(spp); int ito=atoi(cl); | |
2716 | for (int b=ifrom; b<=ito; b++) { | |
2717 | idx[n]=b; | |
2718 | n++; | |
2719 | } | |
2720 | } | |
2721 | else { // numerillo singolo | |
2722 | idx[n]=atoi(spp); | |
2723 | n++; | |
2724 | } | |
2725 | } | |
2726 | } | |
2727 | else { | |
2728 | spp[jp]=st[j]; | |
2729 | jp++; | |
2730 | } | |
2731 | j++; | |
2732 | } | |
2733 | UShort_t volidsv[2198]; | |
2734 | for (j=0;j<n;j++) { | |
2735 | volidsv[j]=AliITSAlignMille2Module::GetVolumeIDFromIndex(idx[j]); | |
2736 | if (!volidsv[j]) { | |
2737 | AliInfo(Form("Index %d not valid (range 0->%d)",idx[j],kMaxITSSensID)); | |
2738 | return -5; | |
2739 | } | |
2740 | } | |
2741 | Int_t smindex=int(2198+volid-14336); // virtual index | |
2742 | // | |
2743 | fSuperModule.AddAtAndExpand(new AliITSAlignMille2Module(smindex,volid,symname,&m,n,volidsv),fNSuperModules); | |
2744 | // | |
2745 | fNSuperModules++; | |
2746 | } | |
2747 | // | |
2748 | smf->Close(); | |
2749 | // | |
2750 | return 0; | |
2751 | } | |
2752 | ||
2753 | //________________________________________________________________________________________________________ | |
2754 | void AliITSAlignMille2::ConstrainModuleSubUnitsMean(Int_t idm, Double_t val, UInt_t pattern) | |
2755 | { | |
2756 | // require that sum of modifications for the childs of this module is = val, i.e. | |
2757 | // the internal corrections moves the module as a whole by fixed value (0 by default). | |
2758 | // pattern is the bit pattern for the parameters to constrain | |
2759 | // | |
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 = "cstrSUMean"; | |
2766 | nm += GetNConstraints(); | |
2767 | AliITSAlignMille2Constraint *cstr = new AliITSAlignMille2Constraint(nm.Data(),AliITSAlignMille2Constraint::kTypeMean, | |
2768 | idm,val,pattern); | |
2769 | cstr->SetConstraintID(GetNConstraints()); | |
2770 | fConstraints.Add(cstr); | |
2771 | } | |
2772 | ||
2773 | //________________________________________________________________________________________________________ | |
2774 | void AliITSAlignMille2::ConstrainModuleSubUnitsMedian(Int_t idm, Double_t val, UInt_t pattern) | |
2775 | { | |
2776 | // require that median of the modifications for the childs of this module is = val, i.e. | |
2777 | // the internal corrections moves the module as a whole by fixed value (0 by default) | |
2778 | // module the outliers. | |
2779 | // pattern is the bit pattern for the parameters to constrain | |
2780 | // The difference between the mean and the median will be transfered to the parent | |
2781 | if (fIsMilleInit) { | |
2782 | AliInfo("Millepede has been already initialized: no constrain may be added!"); | |
2783 | return; | |
2784 | } | |
2785 | if (!GetMilleModule(idm)->GetNChildren()) return; | |
2786 | TString nm = "cstrSUMed"; | |
2787 | nm += GetNConstraints(); | |
2788 | AliITSAlignMille2Constraint *cstr = new AliITSAlignMille2Constraint(nm.Data(),AliITSAlignMille2Constraint::kTypeMedian, | |
2789 | idm,val,pattern); | |
2790 | cstr->SetConstraintID(GetNConstraints()); | |
2791 | fConstraints.Add(cstr); | |
2792 | } | |
2793 | ||
2794 | //________________________________________________________________________________________________________ | |
2795 | void AliITSAlignMille2::ConstrainOrphansMean(Double_t val, UInt_t pattern) | |
2796 | { | |
2797 | // require that median of the modifications for the supermodules which have no parents is = val, i.e. | |
2798 | // the corrections moves the whole setup by fixed value (0 by default) modulo the outliers. | |
2799 | // pattern is the bit pattern for the parameters to constrain | |
2800 | // | |
2801 | if (fIsMilleInit) { | |
2802 | AliInfo("Millepede has been already initialized: no constrain may be added!"); | |
2803 | return; | |
2804 | } | |
2805 | TString nm = "cstrOMean"; | |
2806 | nm += GetNConstraints(); | |
2807 | AliITSAlignMille2Constraint *cstr = new AliITSAlignMille2Constraint(nm.Data(),AliITSAlignMille2Constraint::kTypeMean, | |
2808 | -1,val,pattern); | |
2809 | cstr->SetConstraintID(GetNConstraints()); | |
2810 | fConstraints.Add(cstr); | |
2811 | } | |
2812 | ||
2813 | //________________________________________________________________________________________________________ | |
2814 | void AliITSAlignMille2::ConstrainOrphansMedian(Double_t val, UInt_t pattern) | |
2815 | { | |
2816 | // require that median of the modifications for the supermodules which have no parents is = val, i.e. | |
2817 | // the corrections moves the whole setup by fixed value (0 by default) modulo the outliers. | |
2818 | // pattern is the bit pattern for the parameters to constrain | |
2819 | // | |
2820 | if (fIsMilleInit) { | |
2821 | AliInfo("Millepede has been already initialized: no constrain may be added!"); | |
2822 | return; | |
2823 | } | |
2824 | TString nm = "cstrOMed"; | |
2825 | nm += GetNConstraints(); | |
2826 | AliITSAlignMille2Constraint *cstr = new AliITSAlignMille2Constraint(nm.Data(),AliITSAlignMille2Constraint::kTypeMedian, | |
2827 | -1,val,pattern); | |
2828 | cstr->SetConstraintID(GetNConstraints()); | |
2829 | fConstraints.Add(cstr); | |
2830 | } | |
2831 | ||
2832 | //________________________________________________________________________________________________________ | |
2833 | void AliITSAlignMille2::ConstrainLocal(const Char_t* name,Double_t *parcf,Int_t npar,Double_t val,Double_t err) | |
2834 | { | |
2835 | // apply constraint on parameters in the local frame | |
2836 | if (fIsMilleInit) { | |
2837 | AliInfo("Millepede has been already initialized: no constrain may be added!"); | |
2838 | return; | |
2839 | } | |
2840 | AliITSAlignMille2ConstrArray *cstr = new AliITSAlignMille2ConstrArray(name,parcf,npar,val,err); | |
2841 | cstr->SetConstraintID(GetNConstraints()); | |
2842 | fConstraints.Add(cstr); | |
2843 | } | |
2844 | ||
2845 | //________________________________________________________________________________________________________ | |
2846 | void AliITSAlignMille2::ApplyGaussianConstraint(const AliITSAlignMille2ConstrArray* cstr) | |
2847 | { | |
2848 | // apply the constraint on the local corrections of a list of modules | |
2849 | int nmod = cstr->GetNModules(); | |
2850 | double jacobian[AliITSAlignMille2Module::kMaxParGeom][AliITSAlignMille2Module::kMaxParGeom]; | |
2851 | // | |
2852 | for (int imd=nmod;imd--;) { | |
2853 | int modID = cstr->GetModuleID(imd); | |
2854 | AliITSAlignMille2Module* mod = GetMilleModule(modID); | |
2855 | ResetLocalEquation(); | |
2856 | int nadded = 0; | |
2857 | double value = cstr->GetValue(); | |
2858 | double sigma = cstr->GetError(); | |
2859 | // | |
2860 | // in case the reference (survey) deltas were imposed for Gaussian constraints | |
2861 | // already accumulated corrections: they must be subtracted from the constraint value. | |
2862 | if (IsConstraintWrtRef()) { | |
2863 | // | |
2864 | Double_t precal[AliITSAlignMille2Module::kMaxParTot]; | |
2865 | Double_t refcal[AliITSAlignMille2Module::kMaxParTot]; | |
2866 | for (int ip=AliITSAlignMille2Module::kMaxParTot;ip--;) {precal[ip]=0; refcal[ip] = 0.;} | |
2867 | // | |
2868 | // check if there was a reference delta provided for this module | |
2869 | AliAlignObjParams* parref = GetConstrRefObject(mod->GetName()); | |
2870 | if (parref) parref->GetPars(refcal, refcal+3); // found reference delta | |
2871 | // | |
2872 | // extract already applied local corrections for this module | |
2873 | if (fPrealignment) { | |
2874 | // | |
2875 | AliAlignObjParams *preo = GetPrealignedObject(mod->GetName()); | |
2876 | if (preo) { | |
2877 | TGeoHMatrix preMat,tmpMat = *mod->GetMatrix(); // Delta_Glob * Delta_Glob_Par * M | |
2878 | preo->GetMatrix(preMat); // Delta_Glob | |
2879 | preMat.MultiplyLeft( &tmpMat.Inverse() ); // M^-1 * Delta_Glob_Par^-1 = (Delta_Glob_Par * M)^-1 | |
2880 | tmpMat.MultiplyLeft( &preMat ); // (Delta_Glob_Par * M)^-1 * Delta_Glob * Delta_Glob_Par * M = Delta_loc | |
2881 | AliAlignObjParams algob; | |
2882 | algob.SetMatrix(tmpMat); | |
2883 | algob.GetPars(precal,precal+3); // local corrections for geometry | |
2884 | } | |
2885 | } | |
2886 | // | |
2887 | // subtract the contribution to constraint from precalibration | |
2888 | for (int ipar=cstr->GetNCoeffs();ipar--;) value += (refcal[ipar]-precal[ipar])*cstr->GetCoeff(ipar); | |
2889 | // | |
2890 | } | |
2891 | // | |
2892 | if (fUseGlobalDelta) mod->CalcDerivLocGlo(&jacobian[0][0]); | |
2893 | // | |
2894 | for (int ipar=cstr->GetNCoeffs();ipar--;) { | |
2895 | double coef = cstr->GetCoeff(ipar); | |
2896 | if (IsZero(coef)) continue; | |
2897 | // | |
2898 | if (!fUseGlobalDelta || ipar>= AliITSAlignMille2Module::kMaxParGeom) { // | |
2899 | // we are working with local params or if the given param is not related to geometry, | |
2900 | // apply the constraint directly | |
2901 | int parPos = mod->GetParOffset(ipar); | |
2902 | if (parPos<0) continue; // not in the fit | |
2903 | fGlobalDerivatives[parPos] += coef; | |
2904 | nadded++; | |
2905 | } | |
2906 | else { // we are working with global params, while the constraint is on local ones -> jacobian | |
2907 | for (int jpar=AliITSAlignMille2Module::kMaxParGeom;jpar--;) { | |
2908 | int parPos = mod->GetParOffset(jpar); | |
2909 | if (parPos<0) continue; | |
2910 | fGlobalDerivatives[parPos] += coef*jacobian[ipar][jpar]; | |
2911 | nadded++; | |
2912 | } | |
2913 | } | |
2914 | } | |
2915 | if (nadded) AddConstraint(fGlobalDerivatives, value, sigma); | |
2916 | } | |
2917 | // | |
2918 | } | |
2919 | ||
2920 | //________________________________________________________________________________________________________ | |
2921 | void AliITSAlignMille2::ApplyPreConstraints() | |
2922 | { | |
2923 | // apply constriants which cannot be imposed after the fit | |
2924 | int nconstr = GetNConstraints(); | |
2925 | for (int i=0;i<nconstr;i++) { | |
2926 | AliITSAlignMille2Constraint* cstr = GetConstraint(i); | |
2927 | // | |
2928 | if (cstr->GetType() == AliITSAlignMille2ConstrArray::kTypeGaussian) { | |
2929 | ApplyGaussianConstraint( (AliITSAlignMille2ConstrArray*)cstr); | |
2930 | continue; | |
2931 | } | |
2932 | // | |
2933 | if (cstr->GetType() == AliITSAlignMille2Constraint::kTypeMedian) continue; // post type constraint | |
2934 | // | |
2935 | if (!fUseGlobalDelta) continue; // mean/med constraints must be applied to global deltas | |
2936 | // apply constraint on the mean's before the fit | |
2937 | int imd = cstr->GetModuleID(); | |
2938 | if (imd>=0) { | |
2939 | AliITSAlignMille2Module* mod = GetMilleModule(imd); | |
2940 | UInt_t pattern = 0; | |
2941 | for (int ipar=mod->GetNParTot();ipar--;) { | |
2942 | if (!cstr->IncludesParam(ipar)) continue; | |
2943 | if (mod->GetParOffset(ipar)<0) continue; // parameter is not in the explicit fit -> post constraint | |
2944 | pattern |= 0x1<<ipar; | |
2945 | cstr->SetApplied(ipar); | |
2946 | } | |
2947 | ConstrainModuleSubUnits(imd,cstr->GetValue(),pattern); | |
2948 | // | |
2949 | } | |
2950 | else if (!PseudoParentsAllowed()) { | |
2951 | ConstrainOrphans(cstr->GetValue(),(UInt_t)cstr->GetPattern()); | |
2952 | cstr->SetApplied(-1); | |
2953 | } | |
2954 | } | |
2955 | } | |
2956 | ||
2957 | //________________________________________________________________________________________________________ | |
2958 | void AliITSAlignMille2::ApplyPostConstraints() | |
2959 | { | |
2960 | // apply constraints which can be imposed after the fit | |
2961 | int nconstr = GetNConstraints(); | |
2962 | Bool_t convGlo = kFALSE; | |
2963 | // check if there is something to do | |
2964 | int ntodo = 0; | |
2965 | for (int i=0;i<nconstr;i++) { | |
2966 | AliITSAlignMille2Constraint* cstr = GetConstraint(i); | |
2967 | if (cstr->GetType() == AliITSAlignMille2ConstrArray::kTypeGaussian) continue; | |
2968 | if (cstr->GetRemainingPattern() == 0) continue; | |
2969 | ntodo++; | |
2970 | } | |
2971 | if (!ntodo) return; | |
2972 | // | |
2973 | if (!fUseGlobalDelta) { // need to convert to global params | |
2974 | ConvertParamsToGlobal(); | |
2975 | convGlo = kTRUE; | |
2976 | } | |
2977 | // | |
2978 | for (int i=0;i<nconstr;i++) { | |
2979 | AliITSAlignMille2Constraint* cstr = GetConstraint(i); | |
2980 | if (cstr->GetType() == AliITSAlignMille2ConstrArray::kTypeGaussian) continue; | |
2981 | // | |
2982 | int imd = cstr->GetModuleID(); | |
2983 | // | |
2984 | if (imd>=0) { | |
2985 | AliITSAlignMille2Module* mod = GetMilleModule(imd); | |
2986 | UInt_t pattern = 0; | |
2987 | for (int ipar=mod->GetNParTot();ipar--;) { | |
2988 | if (cstr->IsApplied(ipar)) continue; | |
2989 | if (!cstr->IncludesParam(ipar)) continue; | |
2990 | if (!mod->IsFreeDOF(ipar)) continue; // parameter is fixed, will not apply constraint | |
2991 | pattern |= 0x1<<ipar; | |
2992 | cstr->SetApplied(ipar); | |
2993 | } | |
2994 | if (pattern) PostConstrainModuleSubUnits(cstr->GetType(),cstr->GetModuleID(),cstr->GetValue(),pattern); | |
2995 | // | |
2996 | } | |
2997 | else if (PseudoParentsAllowed()) { | |
2998 | UInt_t pattern = (UInt_t)cstr->GetRemainingPattern(); | |
2999 | PostConstrainOrphans(cstr->GetType(),cstr->GetValue(),pattern); | |
3000 | cstr->SetApplied(-1); | |
3001 | } | |
3002 | } | |
3003 | // if there was a conversion, rewind it | |
3004 | if (convGlo) ConvertParamsToLocal(); | |
3005 | // | |
3006 | } | |
3007 | ||
3008 | //________________________________________________________________________________________________________ | |
3009 | void AliITSAlignMille2::ConstrainModuleSubUnits(Int_t idm, Double_t val, UInt_t pattern) | |
3010 | { | |
3011 | // require that sum of modifications for the childs of this module is = val, i.e. | |
3012 | // the internal corrections moves the module as a whole by fixed value (0 by default). | |
3013 | // pattern is the bit pattern for the parameters to constrain | |
3014 | // | |
3015 | // | |
3016 | AliITSAlignMille2Module* mod = GetMilleModule(idm); | |
3017 | // | |
3018 | for (int ip=0;ip<kNParCh;ip++) { | |
3019 | if ( !((pattern>>ip)&0x1) /*|| !parent->IsFreeDOF(ip)*/) continue; | |
3020 | ResetLocalEquation(); | |
3021 | int nadd = 0; | |
3022 | for (int ich=mod->GetNChildren();ich--;) { | |
3023 | int idpar = ((AliITSAlignMille2Module*)mod->GetChild(ich))->GetParOffset(ip); | |
3024 | if (idpar<0) continue; | |
3025 | fGlobalDerivatives[idpar] = 1.0; | |
3026 | nadd++; | |
3027 | } | |
3028 | // | |
3029 | if (nadd>0) { | |
3030 | AddConstraint(fGlobalDerivatives,val); | |
3031 | AliInfo(Form("Constrained param %d for %d submodules of module #%d: %s",ip,nadd,idm,mod->GetName())); | |
3032 | } | |
3033 | } | |
3034 | // | |
3035 | } | |
3036 | ||
3037 | //________________________________________________________________________________________________________ | |
3038 | void AliITSAlignMille2::ConstrainOrphans(Double_t val, UInt_t pattern) | |
3039 | { | |
3040 | // require that median of the modifications for the supermodules which have no parents is = val, i.e. | |
3041 | // the corrections moves the whole setup by fixed value (0 by default) modulo the outliers. | |
3042 | // pattern is the bit pattern for the parameters to constrain | |
3043 | // | |
3044 | for (int ip=0;ip<kNParCh;ip++) { | |
3045 | // | |
3046 | if ( !((pattern>>ip)&0x1) ) continue; | |
3047 | ResetLocalEquation(); | |
3048 | int nadd = 0; | |
3049 | for (int imd=fNModules;imd--;) { | |
3050 | AliITSAlignMille2Module* mod = GetMilleModule(imd); | |
3051 | if (mod->GetParent()) continue; // this is not an orphan | |
3052 | int idpar = mod->GetParOffset(ip); | |
3053 | if (idpar<0) continue; | |
3054 | fGlobalDerivatives[idpar] = 1.0; | |
3055 | nadd++; | |
3056 | } | |
3057 | if (nadd>0) { | |
3058 | AddConstraint(fGlobalDerivatives,val); | |
3059 | AliInfo(Form("Constrained param %d for %d orphan modules",ip,nadd)); | |
3060 | } | |
3061 | } | |
3062 | // | |
3063 | // | |
3064 | } | |
3065 | ||
3066 | //________________________________________________________________________________________________________ | |
3067 | void AliITSAlignMille2::PostConstrainModuleSubUnits(Int_t type,Int_t idm, Double_t val, UInt_t pattern) | |
3068 | { | |
3069 | // require that median or mean of the modifications for the childs of this module is = val, i.e. | |
3070 | // the internal corrections moves the module as a whole by fixed value (0 by default) | |
3071 | // module the outliers. | |
3072 | // pattern is the bit pattern for the parameters to constrain | |
3073 | // The difference between the mean and the median will be transfered to the parent | |
3074 | // | |
3075 | AliITSAlignMille2Module* parent = GetMilleModule(idm); | |
3076 | int nc = parent->GetNChildren(); | |
3077 | // | |
3078 | double *tmpArr = new double[nc]; | |
3079 | // | |
3080 | for (int ip=0;ip<kNParCh;ip++) { | |
3081 | int npc = 0; | |
3082 | if ( !((pattern>>ip)&0x1) || !parent->IsFreeDOF(ip)) continue; | |
3083 | // compute the mean and median of the deltas | |
3084 | int nfree = 0; | |
3085 | for (int ich=nc;ich--;) { | |
3086 | AliITSAlignMille2Module* child = parent->GetChild(ich); | |
3087 | // if (!child->IsFreeDOF(ip)) continue; | |
3088 | tmpArr[nfree++] = child->GetParVal(ip); | |
3089 | } | |
3090 | double median=0,mean=0; | |
3091 | for (int ic0=0;ic0<nfree;ic0++) {// order the deltas | |
3092 | mean += tmpArr[ic0]; | |
3093 | for (int ic1=ic0+1;ic1<nfree;ic1++) | |
3094 | if (tmpArr[ic0]>tmpArr[ic1]) {double tv=tmpArr[ic0]; tmpArr[ic0]=tmpArr[ic1]; tmpArr[ic1]=tv;} | |
3095 | } | |
3096 | // | |
3097 | int kmed = nfree/2; | |
3098 | median = (tmpArr[kmed]+tmpArr[nfree-kmed-1])/2.; | |
3099 | if (nfree>0) mean /= nfree; | |
3100 | // | |
3101 | double shift = val - (type==AliITSAlignMille2Constraint::kTypeMean ? mean : median); | |
3102 | // | |
3103 | for (int ich=nc;ich--;) { | |
3104 | AliITSAlignMille2Module* child = parent->GetChild(ich); | |
3105 | // if (!child->IsFreeDOF(ip)) continue; | |
3106 | child->SetParVal(ip, child->GetParVal(ip) + shift); | |
3107 | npc++; | |
3108 | } | |
3109 | // | |
3110 | parent->SetParVal(ip, parent->GetParVal(ip) - shift); | |
3111 | AliInfo(Form("%s constraint: added %f shift to param[%d] of %d children of module %d: %s", | |
3112 | type==AliITSAlignMille2Constraint::kTypeMean ? "MEAN" : "MEDIAN",shift, | |
3113 | ip,npc,idm,parent->GetName())); | |
3114 | } | |
3115 | delete[] tmpArr; | |
3116 | // | |
3117 | // | |
3118 | } | |
3119 | ||
3120 | //________________________________________________________________________________________________________ | |
3121 | void AliITSAlignMille2::PostConstrainOrphans(Int_t type,Double_t val, UInt_t pattern) | |
3122 | { | |
3123 | // require that median or mean of modifications for the supermodules which have no parents is = val, i.e. | |
3124 | // the corrections moves the whole setup by fixed value (0 by default). | |
3125 | // pattern is the bit pattern for the parameters to constrain | |
3126 | // | |
3127 | int nc = fNModules; | |
3128 | // | |
3129 | int norph = 0; | |
3130 | for (int ich=nc;ich--;) if (!GetMilleModule(ich)->GetParent()) norph ++; | |
3131 | if (!norph) return; | |
3132 | double *tmpArr = new double[norph]; | |
3133 | // | |
3134 | for (int ip=0;ip<kNParCh;ip++) { | |
3135 | int npc = 0; | |
3136 | if ( !((pattern>>ip)&0x1)) continue; | |
3137 | // compute the mean and median of the deltas | |
3138 | int nfree = 0; | |
3139 | for (int ich=nc;ich--;) { | |
3140 | AliITSAlignMille2Module* child = GetMilleModule(ich); | |
3141 | // if (child->GetParent() || !child->IsFreeDOF(ip)) continue; | |
3142 | if (child->GetParent()) continue; | |
3143 | tmpArr[nfree++] = child->GetParVal(ip); | |
3144 | } | |
3145 | double median=0,mean=0; | |
3146 | for (int ic0=0;ic0<nfree;ic0++) {// order the deltas | |
3147 | mean += tmpArr[ic0]; | |
3148 | for (int ic1=ic0+1;ic1<nfree;ic1++) | |
3149 | if (tmpArr[ic0]>tmpArr[ic1]) {double tv=tmpArr[ic0]; tmpArr[ic0]=tmpArr[ic1]; tmpArr[ic1]=tv;} | |
3150 | } | |
3151 | // | |
3152 | int kmed = nfree/2; | |
3153 | median = (tmpArr[kmed]+tmpArr[nfree-kmed-1])/2.; | |
3154 | if (nfree>0) mean /= nfree; | |
3155 | // | |
3156 | double shift = val - (type==AliITSAlignMille2Constraint::kTypeMean ? mean : median); | |
3157 | // | |
3158 | for (int ich=nc;ich--;) { | |
3159 | AliITSAlignMille2Module* child = GetMilleModule(ich); | |
3160 | // if (child->GetParent() || !child->IsFreeDOF(ip)) continue; | |
3161 | if (child->GetParent()) continue; | |
3162 | child->SetParVal(ip, child->GetParVal(ip) + shift); | |
3163 | npc++; | |
3164 | } | |
3165 | // | |
3166 | AliInfo(Form("%s constraint: added %f shift to param[%d] of %d orphan modules", | |
3167 | type==AliITSAlignMille2Constraint::kTypeMean ? "MEAN" : "MEDIAN",shift, | |
3168 | ip,npc)); | |
3169 | } | |
3170 | delete[] tmpArr; | |
3171 | // | |
3172 | } | |
3173 | ||
3174 | //________________________________________________________________________________________________________ | |
3175 | Bool_t AliITSAlignMille2::IsParModConstrained(const AliITSAlignMille2Module* mod,Int_t par, Bool_t &meanmed, Bool_t &gaussian) const | |
3176 | { | |
3177 | // check if par of the module participates in some constraint, and set the flag for their types | |
3178 | meanmed = gaussian = kFALSE; | |
3179 | // | |
3180 | if ( mod->IsParConstrained(par) ) gaussian = kTRUE; // direct constraint on this param | |
3181 | // | |
3182 | for (int icstr=GetNConstraints();icstr--;) { | |
3183 | AliITSAlignMille2Constraint* cstr = GetConstraint(icstr); | |
3184 | // | |
3185 | if (!cstr->IncludesModPar(mod,par)) continue; | |
3186 | if (cstr->GetType()==AliITSAlignMille2ConstrArray::kTypeGaussian) gaussian = kTRUE; | |
3187 | else meanmed = kTRUE; | |
3188 | // | |
3189 | if (meanmed && gaussian) break; // no sense to check further | |
3190 | } | |
3191 | // | |
3192 | return meanmed||gaussian; | |
3193 | } | |
3194 | ||
3195 | //________________________________________________________________________________________________________ | |
3196 | Bool_t AliITSAlignMille2::IsParModFamilyVaried(const AliITSAlignMille2Module* mod,Int_t par,Int_t depth) const | |
3197 | { | |
3198 | // check if parameter par is varied for this module or its children up to the level depth | |
3199 | if (depth<0) return kFALSE; | |
3200 | if (mod->GetParOffset(par)>=0) return kTRUE; | |
3201 | for (int icld=mod->GetNChildren();icld--;) { | |
3202 | AliITSAlignMille2Module* child = mod->GetChild(icld); | |
3203 | if (IsParModFamilyVaried(child, par, depth-1)) return kTRUE; | |
3204 | } | |
3205 | return kFALSE; | |
3206 | // | |
3207 | } | |
3208 | ||
3209 | /* | |
3210 | //________________________________________________________________________________________________________ | |
3211 | Bool_t AliITSAlignMille2::IsParFamilyFree(AliITSAlignMille2Module* mod,Int_t par,Int_t depth) const | |
3212 | { | |
3213 | // check if parameter par is varied and is not subjected to gaussian constraint for the children up to the level depth | |
3214 | if (depth<0) return kTRUE; | |
3215 | for (int icld=mod->GetNChildren();icld--;) { | |
3216 | AliITSAlignMille2Module* child = mod->GetChild(icld); | |
3217 | //if (child->GetParOffset(par)<0) continue; // fixed | |
3218 | Bool_t cstMM=kFALSE,cstGS=kFALSE; | |
3219 | // does this child have gaussian constraint ? | |
3220 | if (!IsParModConstrained(child,par,cstMM,cstGS) || !cstGS ) return kTRUE; | |
3221 | // check its children | |
3222 | if (!IsParFamilyFree(child,par,depth-1)) return kTRUE; | |
3223 | } | |
3224 | return kFALSE; | |
3225 | // | |
3226 | } | |
3227 | */ | |
3228 | ||
3229 | //________________________________________________________________________________________________________ | |
3230 | Bool_t AliITSAlignMille2::IsParFamilyFree(const AliITSAlignMille2Module* mod,Int_t par,Int_t depth) const | |
3231 | { | |
3232 | // check if parameter par is varied and is not subjected to gaussian constraint for the children up to the level depth | |
3233 | if (depth<0) return kFALSE; | |
3234 | for (int icld=mod->GetNChildren();icld--;) { | |
3235 | AliITSAlignMille2Module* child = mod->GetChild(icld); | |
3236 | //if (child->GetParOffset(par)<0) continue; // fixed | |
3237 | Bool_t cstMM=kFALSE,cstGS=kFALSE; | |
3238 | // does this child have gaussian constraint ? | |
3239 | if (!IsParModConstrained(child,par,cstMM,cstGS) || !cstGS ) return kTRUE; | |
3240 | // check its children | |
3241 | if (IsParFamilyFree(child,par,depth-1)) return kTRUE; | |
3242 | } | |
3243 | return kFALSE; | |
3244 | // | |
3245 | } | |
3246 | ||
3247 | //________________________________________________________________________________________________________ | |
3248 | Double_t AliITSAlignMille2::GetTDriftSDD() const | |
3249 | { | |
3250 | // obtain drift time corrected for t0 | |
3251 | double t = fCluster.GetDriftTime(); | |
3252 | return t - fDriftTime0[ fCluster.GetUniqueID()-1 ]; | |
3253 | } | |
3254 | ||
3255 | //________________________________________________________________________________________________________ | |
3256 | Double_t AliITSAlignMille2::GetVDriftSDD() const | |
3257 | { | |
3258 | // obtain corrected drift speed | |
3259 | return fDriftSpeed[ fCluster.GetUniqueID()-1 ]; | |
3260 | } | |
3261 | ||
3262 | //________________________________________________________________________________________________________ | |
3263 | Bool_t AliITSAlignMille2::FixedOrphans() const | |
3264 | { | |
3265 | // are there fixed modules with no parent (normally in such a case | |
3266 | // the constraints on the orphans should not be applied | |
3267 | if (!IsConfigured()) { | |
3268 | AliInfo("Still not configured"); | |
3269 | return kFALSE; | |
3270 | } | |
3271 | for (int i=0;i<fNModules;i++) { | |
3272 | AliITSAlignMille2Module* md = GetMilleModule(i); | |
3273 | if (md->GetParent()==0 && md->GetNParFree()==0) return kTRUE; | |
3274 | } | |
3275 | return kFALSE; | |
3276 | } | |
3277 | ||
3278 | //________________________________________________________________________________________________________ | |
3279 | void AliITSAlignMille2::ConvertParamsToGlobal() | |
3280 | { | |
3281 | // convert params in local frame to global one | |
3282 | double pars[AliITSAlignMille2Module::kMaxParGeom]; | |
3283 | for (int imd=fNModules;imd--;) { | |
3284 | AliITSAlignMille2Module* mod = GetMilleModule(imd); | |
3285 | if (mod->GeomParamsGlobal()) continue; | |
3286 | mod->GetGeomParamsGlo(pars); | |
3287 | mod->SetParVals(pars,AliITSAlignMille2Module::kMaxParGeom); | |
3288 | mod->SetGeomParamsGlobal(kTRUE); | |
3289 | } | |
3290 | } | |
3291 | ||
3292 | //________________________________________________________________________________________________________ | |
3293 | void AliITSAlignMille2::ConvertParamsToLocal() | |
3294 | { | |
3295 | // convert params in global frame to local one | |
3296 | double pars[AliITSAlignMille2Module::kMaxParGeom]; | |
3297 | for (int imd=fNModules;imd--;) { | |
3298 | AliITSAlignMille2Module* mod = GetMilleModule(imd); | |
3299 | if (!mod->GeomParamsGlobal()) continue; | |
3300 | mod->GetGeomParamsLoc(pars); | |
3301 | mod->SetParVals(pars,AliITSAlignMille2Module::kMaxParGeom); | |
3302 | mod->SetGeomParamsGlobal(kFALSE); | |
3303 | } | |
3304 | } | |
3305 | ||
3306 | //________________________________________________________________________________________________________ | |
3307 | void AliITSAlignMille2::SetBField(Double_t b) | |
3308 | { | |
3309 | // set Bz value | |
3310 | if (IsZero(b,1e-5)) { | |
3311 | fBField = 0.0; | |
3312 | fBOn = kFALSE; | |
3313 | fNLocal = 4; | |
3314 | } | |
3315 | else { | |
3316 | fBField = b; | |
3317 | fBOn = kTRUE; | |
3318 | fNLocal = 5; // helices | |
3319 | } | |
3320 | } | |
3321 | ||
3322 | //________________________________________________________________________________________________________ | |
3323 | Int_t AliITSAlignMille2::ProcessUserInfo(TList* userInfo) | |
3324 | { | |
3325 | // extract calibration information used for TrackPointArray creation from run info | |
3326 | // | |
3327 | if (!userInfo) { AliInfo("No UserInfo is provided"); return 0;} | |
3328 | // | |
3329 | TMap *cdbMap=0; | |
3330 | TList* cdbList=0; | |
3331 | TObjString *objStr,*keyStr; | |
3332 | AliCDBManager* man = AliCDBManager::Instance(); | |
3333 | // | |
3334 | int run = userInfo->GetUniqueID(); | |
3335 | AliInfo(Form("UserInfo corresponds to run#%d",run)); | |
3336 | cdbMap = (TMap*)userInfo->FindObject("cdbMap"); | |
3337 | if (!cdbMap) {AliInfo("No CDB Map found in UserInfo");} | |
3338 | else { | |
3339 | if ((objStr=(TObjString*)cdbMap->GetValue("default"))) { // first set default CDB path | |
3340 | fDefCDBpath = objStr->GetString(); | |
3341 | if (fDefCDBpath.BeginsWith("raw://")) fDefCDBpath = "raw://"; | |
3342 | AliInfo(Form("Default CDB Storage from UserInfo: %s",fDefCDBpath.Data())); | |
3343 | } | |
3344 | man->SetDefaultStorage( fDefCDBpath.Data() ); // this may be overriden later by configuration file | |
3345 | man->SetRun(run); | |
3346 | // | |
3347 | // set specific paths relevant for alignment | |
3348 | TIter itMap(cdbMap); | |
3349 | while( (keyStr=(TObjString*)itMap.Next()) ) { | |
3350 | TString keyS = keyStr->GetString(); | |
3351 | if ( keyS == "default" ) continue; | |
3352 | man->SetSpecificStorage( keyS.Data(), cdbMap->GetValue(keyS)->GetName() ); | |
3353 | } | |
3354 | } | |
3355 | // | |
3356 | cdbList = (TList*)userInfo->FindObject("cdbList"); | |
3357 | if (!cdbList) {AliInfo("No CDB List found in UserInfo");} | |
3358 | else { | |
3359 | // Deltas used for TrackPointArray production | |
3360 | TIter itList(cdbList); | |
3361 | while( (objStr=(TObjString*)itList.Next()) ) | |
3362 | if (objStr->GetString().Contains("ITS/Align/Data")) { | |
3363 | fInitDeltaPath = objStr->GetString(); | |
3364 | AliInfo(Form("Production Misalignment from UserInfo: %s",fInitDeltaPath.Data())); | |
3365 | break; | |
3366 | } | |
3367 | // SDD response (time0 and drift speed correction) used for TrackPointArray production | |
3368 | itList.Reset(); | |
3369 | while( (objStr=(TObjString*)itList.Next()) ) | |
3370 | if (objStr->GetString().Contains("ITS/Calib/RespSDD")) { | |
3371 | fInitSDDRespPath = objStr->GetString(); | |
3372 | AliInfo(Form("Production SDD Response from UserInfo: %s",fInitSDDRespPath.Data())); | |
3373 | break; | |
3374 | } | |
3375 | // | |
3376 | } | |
3377 | // | |
3378 | objStr = (TObjString*)userInfo->FindObject("BzkGauss"); | |
3379 | if (objStr) { | |
3380 | SetBField( objStr->GetString().Atof() ); | |
3381 | AliInfo(Form("Magentic field from UserInfo: %+.2e",GetBField())); | |
3382 | } | |
3383 | return 0; | |
3384 | } | |
3385 | ||
3386 | //________________________________________________________________________________________________________ | |
3387 | Int_t AliITSAlignMille2::LoadSDDResponse(TString& path, AliITSresponseSDD *&resp) | |
3388 | { | |
3389 | if (path.IsNull()) return 0; | |
3390 | // | |
abd7ef79 | 3391 | AliCDBEntry *entry = 0; |
6be22b3f | 3392 | resp = 0; |
3393 | while(1) { | |
3394 | if (path.BeginsWith("path: ")) { // must load from OCDB | |
3395 | AliCDBId* cdbId = AliCDBId::MakeFromString( path.Data() ); | |
abd7ef79 | 3396 | entry = AliCDBManager::Instance()->Get( *cdbId ); |
6be22b3f | 3397 | delete cdbId; |
3398 | if (!entry) break; | |
3399 | resp = (AliITSresponseSDD*) entry->GetObject(); | |
3400 | entry->SetObject(NULL); | |
3401 | entry->SetOwner(kTRUE); | |
3402 | delete entry; | |
3403 | break; | |
3404 | } | |
3405 | // | |
3406 | if (gSystem->AccessPathName(path.Data())) break; | |
3407 | TFile* precf = TFile::Open(path.Data()); | |
abd7ef79 | 3408 | if (precf->FindKey("AliITSresponseSDD")) resp = (AliITSresponseSDD*)precf->Get("AliITSresponseSDD"); |
3409 | else if (precf->FindKey("AliCDBEntry") && (entry=(AliCDBEntry*)precf->Get("AliCDBEntry"))) { | |
3410 | resp = (AliITSresponseSDD*) entry->GetObject(); | |
3411 | if (resp && resp->InheritsFrom(AliITSresponseSDD::Class())) entry->SetObject(NULL); | |
3412 | else resp = 0; | |
3413 | entry->SetOwner(kTRUE); | |
3414 | delete entry; | |
3415 | } | |
3416 | // | |
6be22b3f | 3417 | precf->Close(); |
3418 | delete precf; | |
3419 | break; | |
3420 | } | |
3421 | // | |
3422 | if (!resp) {AliError(Form("Failed to load SDD response from %s",path.Data())); return -1;} | |
3423 | return 0; | |
3424 | } | |
3425 | ||
3426 | //________________________________________________________________________________________________________ | |
3427 | Int_t AliITSAlignMille2::LoadDeltas(TString& path, TClonesArray *&arr) | |
3428 | { | |
3429 | if (path.IsNull()) return 0; | |
3430 | // | |
abd7ef79 | 3431 | AliCDBEntry *entry = 0; |
6be22b3f | 3432 | arr = 0; |
3433 | while(1) { | |
3434 | if (path.BeginsWith("path: ")) { // must load from OCDB | |
3435 | AliCDBId *cdbId = AliCDBId::MakeFromString( path.Data() ); | |
abd7ef79 | 3436 | entry = AliCDBManager::Instance()->Get( *cdbId ); |
6be22b3f | 3437 | delete cdbId; |
3438 | if (!entry) break; | |
3439 | arr = (TClonesArray*) entry->GetObject(); | |
3440 | entry->SetObject(NULL); | |
3441 | entry->SetOwner(kTRUE); | |
3442 | delete entry; | |
3443 | break; | |
3444 | } | |
3445 | // | |
3446 | if (gSystem->AccessPathName(path.Data())) break; | |
3447 | TFile* precf = TFile::Open(path.Data()); | |
abd7ef79 | 3448 | if (precf->FindKey("ITSAlignObjs")) arr = (TClonesArray*)precf->Get("ITSAlignObjs"); |
3449 | else if (precf->FindKey("AliCDBEntry") && (entry=(AliCDBEntry*)precf->Get("AliCDBEntry"))) { | |
3450 | arr = (TClonesArray*) entry->GetObject(); | |
3451 | if (arr && arr->InheritsFrom(TClonesArray::Class())) entry->SetObject(NULL); | |
3452 | else arr = 0; | |
3453 | entry->SetOwner(kTRUE); | |
3454 | delete entry; | |
3455 | } | |
6be22b3f | 3456 | precf->Close(); |
3457 | delete precf; | |
3458 | break; | |
3459 | } | |
3460 | // | |
3461 | if (!arr) {AliError(Form("Failed to load Deltas from %s",path.Data())); return -1;} | |
3462 | return 0; | |
3463 | } | |
3464 | ||
3465 | //________________________________________________________________________________________________________ | |
abd7ef79 | 3466 | Int_t AliITSAlignMille2::CacheMatricesCurr() |
6be22b3f | 3467 | { |
3468 | // build arrays for the fast access to sensor matrices from their sensor ID | |
3469 | // | |
3470 | TGeoHMatrix mdel; | |
abd7ef79 | 3471 | AliInfo("Building sensors current matrices cache"); |
6be22b3f | 3472 | // |
6be22b3f | 3473 | fCacheMatrixCurr.Delete(); |
6be22b3f | 3474 | for (int idx=0;idx<=kMaxITSSensID;idx++) { |
3475 | int volID = AliITSAlignMille2Module::GetVolumeIDFromIndex(idx); | |
6be22b3f | 3476 | TGeoHMatrix *mcurr = new TGeoHMatrix(); |
abd7ef79 | 3477 | AliITSAlignMille2Module::SensVolMatrix(volID, mcurr); |
6be22b3f | 3478 | fCacheMatrixCurr.AddAtAndExpand(mcurr,idx); |
3479 | // | |
3480 | } | |
3481 | // | |
6be22b3f | 3482 | fCacheMatrixCurr.SetOwner(kTRUE); |
abd7ef79 | 3483 | return 0; |
3484 | } | |
3485 | ||
3486 | //________________________________________________________________________________________________________ | |
3487 | Int_t AliITSAlignMille2::CacheMatricesOrig() | |
3488 | { | |
3489 | // build arrays for the fast access to sensor original matrices (used for production) | |
3490 | // | |
3491 | TGeoHMatrix mdel; | |
3492 | AliInfo("Building sensors original matrices cache"); | |
3493 | // | |
3494 | fCacheMatrixOrig.Delete(); | |
3495 | if (!fInitDeltaPath.IsNull()) { | |
3496 | if (LoadDeltas(fInitDeltaPath,fPrealignment) || ApplyToGeometry()) | |
3497 | { AliError("Failed to load/apply initial deltas used to produce points"); return -1;} | |
3498 | } | |
3499 | // | |
3500 | for (int idx=0;idx<=kMaxITSSensID;idx++) { | |
3501 | int volID = AliITSAlignMille2Module::GetVolumeIDFromIndex(idx); | |
3502 | TGeoHMatrix *morig = new TGeoHMatrix(); | |
3503 | if (fUsePreAlignment) AliITSAlignMille2Module::SensVolMatrix(volID,morig); | |
3504 | else AliITSAlignMille2Module::SensVolOrigGlobalMatrix(volID,morig); | |
3505 | fCacheMatrixOrig.AddAtAndExpand(morig,idx); | |
3506 | } | |
3507 | // | |
3508 | fCacheMatrixOrig.SetOwner(kTRUE); | |
3509 | if (fUsePreAlignment) { // the initial deltas were temporary attached to prealignment array, clean and reinitialize geometry | |
3510 | delete fPrealignment; | |
3511 | fPrealignment = 0; | |
3512 | fUsePreAlignment = 0; | |
3513 | InitGeometry(); | |
3514 | } | |
6be22b3f | 3515 | return 0; |
3516 | } | |
3517 | ||
3518 | //________________________________________________________________________________________________________ | |
3519 | void AliITSAlignMille2::ConstrainHelixFitPT(Int_t q,Double_t pt,Double_t pterr) | |
3520 | { | |
3521 | // constrain q and pT of the helical fit of the track (should be set before process.track) | |
3522 | // | |
3523 | fConstrCharge = q==0 ? q:TMath::Sign(1,q); | |
3524 | fConstrPT = pt; | |
3525 | fConstrPTErr = pterr; | |
3526 | } | |
3527 | ||
3528 | //________________________________________________________________________________________________________ | |
3529 | void AliITSAlignMille2::ConstrainHelixFitCurv(Int_t q,Double_t crv,Double_t crverr) | |
3530 | { | |
3531 | // constrain charge and curvature of the helical fit of the track (should be set before process.track) | |
3532 | // | |
3533 | const double kCQConv = 0.299792458e-3;// R = PT/Bz/fgkCQConv with GeV,kGauss,cm | |
3534 | ||
3535 | fConstrCharge = q==0 ? q:TMath::Sign(1,q); | |
3536 | if (crv<0 || IsZero(crv)) { | |
3537 | fConstrPT = -1; | |
3538 | fConstrPTErr = -1; | |
3539 | } | |
3540 | else { | |
3541 | fConstrPT = 1./crv*fBField*kCQConv; | |
3542 | fConstrPTErr =fConstrPT/crv*crverr; | |
3543 | } | |
3544 | } | |
3545 | ||
3546 | //________________________________________________________________________________________________________ | |
3547 | TClonesArray* AliITSAlignMille2::CreateDeltas() | |
3548 | { | |
3549 | // Create \Deltas for every explicitly or implicitly (via non-alignable volumes) varied | |
3550 | // or prealigned module. | |
3551 | // If the module has inded J in the hierarchy of alignable volumes (0 - the top, most | |
3552 | // coarse level), then its Delta is expressed via MP2 \deltas (in global frame) and | |
3553 | // prealignment \DeltaP's as: | |
3554 | // \Delta_J = Y X Y^-1 | |
3555 | // where X = \delta_J * \DeltaP_J | |
3556 | // Y = Prod_{K=0,J-1} \delta_K | |
3557 | // Note that \delta_L accounts not only for its own correction but also of all non-alignable | |
3558 | // modules in the hierarchy chain from L up to the closest alignable: | |
3559 | // while (parent && !parent->IsAlignable()) { | |
3560 | // \delta_L->MultiplyLeft( \delta_parent ); | |
3561 | // parent = parent->GetParent(); | |
3562 | // } | |
3563 | // | |
3564 | Bool_t convLoc = kFALSE; | |
3565 | if (!GetUseGlobalDelta()) { | |
3566 | ConvertParamsToGlobal(); | |
3567 | convLoc = kTRUE; | |
3568 | } | |
3569 | // | |
3570 | AliAlignObjParams tempAlignObj; | |
3571 | TGeoHMatrix tempMatX,tempMatY,tempMat1; | |
3572 | // | |
3573 | TClonesArray *array = new TClonesArray("AliAlignObjParams",10); | |
3574 | TClonesArray &alobj = *array; | |
3575 | int idx = 0; | |
3576 | // | |
3577 | TGeoManager* geoManager = AliGeomManager::GetGeometry(); | |
3578 | int nalgtot = geoManager->GetNAlignable(); | |
3579 | // | |
3580 | for (int ialg=0;ialg<nalgtot;ialg++) { // loop over all alignable entries | |
3581 | // | |
3582 | const char* algname = geoManager->GetAlignableEntry(ialg)->GetName(); | |
3583 | // | |
3584 | AliITSAlignMille2Module* md = GetMilleModuleBySymName(algname); // explicitly varied? | |
3585 | AliITSAlignMille2Module* parent = md ? md->GetParent(): GetMilleModuleIfContained(algname); | |
3586 | AliAlignObjParams* preob = GetPrealignedObject(algname); // was it prealigned ? | |
3587 | // | |
3588 | if (!preob && !md && (!parent || parent->IsAlignable())) continue; // noting to do | |
3589 | // | |
3590 | // create matrix X (see comment) ------------------------------------------------->>> | |
3591 | // start from unity matrix | |
3592 | tempMatX.Clear(); | |
3593 | if (preob) { // account prealigngment | |
3594 | preob->GetMatrix(tempMat1); | |
3595 | tempMatX.MultiplyLeft(&tempMat1); | |
3596 | } | |
3597 | // | |
3598 | if (md) { | |
3599 | tempAlignObj.SetTranslation( md->GetParVal(0),md->GetParVal(1),md->GetParVal(2)); | |
3600 | tempAlignObj.SetRotation( md->GetParVal(3),md->GetParVal(4),md->GetParVal(5)); | |
3601 | tempAlignObj.GetMatrix(tempMat1); | |
3602 | tempMatX.MultiplyLeft(&tempMat1); // acount correction to varied module | |
3603 | } | |
3604 | // | |
3605 | // the corrections to all non-alignable modules from current on | |
3606 | // till first alignable should add up to its matrix | |
3607 | while (parent && !parent->IsAlignable()) { | |
3608 | tempAlignObj.SetTranslation( parent->GetParVal(0),parent->GetParVal(1),parent->GetParVal(2)); | |
3609 | tempAlignObj.SetRotation( parent->GetParVal(3),parent->GetParVal(4),parent->GetParVal(5)); | |
3610 | tempAlignObj.GetMatrix(tempMat1); | |
3611 | tempMatX.MultiplyLeft(&tempMat1); // add matrix of non-alignable module | |
3612 | parent = parent->GetParent(); | |
3613 | } | |
3614 | // create matrix X (see comment) ------------------------------------------------<<< | |
3615 | // | |
3616 | // create matrix Y (see comment) ------------------------------------------------>>> | |
3617 | // start from unity matrix | |
3618 | tempMatY.Clear(); | |
3619 | while ( parent ) { | |
3620 | tempAlignObj.SetTranslation( parent->GetParVal(0),parent->GetParVal(1),parent->GetParVal(2)); | |
3621 | tempAlignObj.SetRotation( parent->GetParVal(3),parent->GetParVal(4),parent->GetParVal(5)); | |
3622 | tempAlignObj.GetMatrix(tempMat1); | |
3623 | tempMatY.MultiplyLeft(&tempMat1); | |
3624 | parent = parent->GetParent(); | |
3625 | } | |
3626 | // create matrix Y (see comment) ------------------------------------------------<<< | |
3627 | // | |
3628 | tempMatX.MultiplyLeft(&tempMatY); | |
3629 | tempMatX.Multiply(&tempMatY.Inverse()); | |
3630 | // | |
3631 | UShort_t vid = AliITSAlignMille2Module::GetVolumeIDFromSymname(algname); | |
3632 | new(alobj[idx++]) AliAlignObjParams(algname,vid,tempMatX,kTRUE); | |
3633 | // | |
3634 | } | |
3635 | // | |
3636 | if (convLoc) ConvertParamsToLocal(); | |
3637 | // | |
3638 | return array; | |
3639 | // | |
3640 | } | |
3641 | ||
3642 | //_______________________________________________________________________________________ | |
3643 | AliITSresponseSDD* AliITSAlignMille2::CreateSDDResponse() | |
3644 | { | |
3645 | // create object with SDD repsonse (t0 and vdrift corrections) accounting for | |
3646 | // eventual precalibration | |
3647 | // | |
3648 | // if there was a precalibration provided, copy it to new arrray | |
3649 | AliITSresponseSDD *precal = GetSDDPrecalibration(); | |
3650 | if (!precal) precal = GetSDDInit(); | |
3651 | AliITSresponseSDD *calibSDD = new AliITSresponseSDD(); | |
3652 | // | |
3653 | for (int ind=kSDDoffsID;ind<kSDDoffsID+kNSDDmod;ind++) { | |
3654 | calibSDD->SetModuleTimeZero(ind, precal? precal->GetTimeZero(ind) : 0.); | |
3655 | calibSDD->SetDeltaVDrift(ind, precal? precal->GetDeltaVDrift(ind) : 0.); | |
3656 | } | |
3657 | // | |
3658 | Bool_t save = kFALSE; | |
3659 | for (int imd=GetNModules();imd--;) { | |
3660 | AliITSAlignMille2Module* md = GetMilleModule(imd); | |
3661 | if (!md->IsSDD()) continue; | |
3662 | if (md->IsFreeDOF(AliITSAlignMille2Module::kDOFT0) || | |
3663 | md->IsFreeDOF(AliITSAlignMille2Module::kDOFDV)) save = kTRUE; | |
3664 | // | |
3665 | for (int is=0;is<md->GetNSensitiveVolumes();is++) { | |
3666 | int ind = md->GetSensVolIndex(is); | |
3667 | float t0 = calibSDD->GetTimeZero(ind) + md->GetParVal(AliITSAlignMille2Module::kDOFT0); | |
3668 | float dv = calibSDD->GetDeltaVDrift(ind) + md->GetParVal(AliITSAlignMille2Module::kDOFDV); | |
3669 | // | |
3670 | calibSDD->SetModuleTimeZero(ind, t0); | |
3671 | calibSDD->SetDeltaVDrift(ind, dv); | |
3672 | } | |
3673 | } | |
3674 | // | |
3675 | if (!save) { | |
3676 | AliInfo("No free parameters for SDD calibration, nothing to save"); | |
3677 | delete calibSDD; | |
3678 | calibSDD = 0; | |
3679 | } | |
3680 | // | |
3681 | return calibSDD; | |
3682 | } |