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9318a5b4 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | ||
16 | ||
17 | /////////////////////////////////////////////////////////////////////////////// | |
18 | // // | |
19 | // Class to make a internal alignemnt of TPC chambers // | |
20 | // | |
967eae0d | 21 | // Requierements - Warnings: |
22 | // 1. Before using this componenent the magnetic filed has to be set properly // | |
1c1a1176 | 23 | // 2. The systematic effects - unlinearities has to be understood |
967eae0d | 24 | // |
1c1a1176 | 25 | // If systematic and unlinearities are not under control |
26 | // the alignment is just effective alignment. Not second order corrction | |
27 | // are calculated. | |
28 | // | |
29 | // The histograming of the edge effects and unlineratities integral part | |
30 | // of the component (currently only in debug stream) | |
31 | // | |
32 | // 3 general type of linear transformation investigated (see bellow) | |
33 | // | |
34 | // By default only 6 parameter alignment to be used - other just for QA purposes | |
f8a2dcfb | 35 | |
1c1a1176 | 36 | // Different linear tranformation investigated |
972cf6f2 | 37 | // 12 parameters - arbitrary linear transformation |
f8a2dcfb | 38 | // a00 a01 a02 a03 p[0] p[1] p[2] p[9] |
39 | // a10 a11 a12 a13 ==> p[3] p[4] p[5] p[10] | |
40 | // a20 a21 a22 a23 p[6] p[7] p[8] p[11] | |
41 | // | |
9318a5b4 | 42 | // 9 parameters - scaling fixed to 1 |
f8a2dcfb | 43 | // a00 a01 a02 a03 1 p[0] p[1] p[6] |
44 | // a10 a11 a12 a13 ==> p[2] 1 p[3] p[7] | |
45 | // a20 a21 a22 a23 p[4] p[5] 1 p[8] | |
46 | // | |
972cf6f2 | 47 | // 6 parameters - x-y rotation x-z, y-z tiliting |
f8a2dcfb | 48 | // a00 a01 a02 a03 1 -p[0] 0 p[3] |
49 | // a10 a11 a12 a13 ==> p[0] 1 0 p[4] | |
50 | // a20 a21 a22 a23 p[1] p[2] 1 p[5] | |
51 | // | |
1c1a1176 | 52 | // |
53 | // Debug stream supported | |
54 | // 0. Align - The main output of the Alignment component | |
55 | // - Used for visualization of the misalignment between sectors | |
56 | // - Results of the missalignment fit and the mean and sigmas of histograms | |
57 | // stored there | |
58 | // 1. Tracklet - StreamLevel >1 | |
59 | // - Dump all information about tracklet match from sector1 to sector 2 | |
60 | // - Default histogram residulas created in parallel | |
61 | // - Check this streamer in case of suspicious content of these histograms | |
62 | // 2. Track - StreamLevel>5 | |
63 | // - For debugging of the edge effects | |
64 | // - All information - extrapolation inside of one sectors | |
65 | // - Created in order to distinguish between unlinearities inside of o | |
66 | // sector and missalignment | |
67 | ||
68 | // | |
8f74ae77 | 69 | // |
70 | /* | |
71 | gSystem->AddIncludePath("-I$ALICE_ROOT/TPC/macros"); | |
72 | gROOT->LoadMacro("$ALICE_ROOT/TPC/macros/AliXRDPROOFtoolkit.cxx+") | |
73 | AliXRDPROOFtoolkit tool; | |
74 | TChain * chain = tool.MakeChain("align.txt","Track",0,10200); | |
75 | chain->Lookup(); | |
108953e9 | 76 | TCut cutA("abs(tp1.fP[1]-tp2.fP[1])<0.3&&abs(tp1.fP[0]-tp2.fP[0])<0.15&&abs(tp1.fP[3]-tp2.fP[3])<0.01&&abs(tp1.fP[2]-tp2.fP[2])<0.01"); |
77 | TCut cutS("s1%36==s2%36"); | |
175d237b | 78 | |
79 | .x ~/UliStyle.C | |
108953e9 | 80 | .x $ALICE_ROOT/macros/loadlibsREC.C |
81 | ||
82 | gSystem->Load("$ROOTSYS/lib/libXrdClient.so"); | |
83 | gSystem->Load("libProof"); | |
175d237b | 84 | gSystem->Load("libANALYSIS"); |
108953e9 | 85 | gSystem->Load("libSTAT"); |
175d237b | 86 | gSystem->Load("libTPCcalib"); |
108953e9 | 87 | // |
88 | // compare reference | |
175d237b | 89 | TFile fcalib("CalibObjects.root"); |
90 | TObjArray * array = (TObjArray*)fcalib.Get("TPCCalib"); | |
108953e9 | 91 | |
175d237b | 92 | AliTPCcalibAlign * align = ( AliTPCcalibAlign *)array->FindObject("alignTPC"); |
93 | // | |
94 | // | |
bb6bc8f6 | 95 | align->EvalFitters(); |
175d237b | 96 | align->MakeTree("alignTree.root"); |
bb6bc8f6 | 97 | TFile falignTree("alignTree.root"); |
98 | TTree * treeAlign = (TTree*)falignTree.Get("Align"); | |
6f387311 | 99 | |
175d237b | 100 | |
8f74ae77 | 101 | */ |
1c1a1176 | 102 | |
9318a5b4 | 103 | //// |
104 | //// | |
105 | ||
106 | #include "TLinearFitter.h" | |
107 | #include "AliTPCcalibAlign.h" | |
774a5ee9 | 108 | #include "AliTPCROC.h" |
109 | #include "AliTPCPointCorrection.h" | |
4de48bc7 | 110 | #include "AliTrackPointArray.h" |
774a5ee9 | 111 | |
9318a5b4 | 112 | #include "AliExternalTrackParam.h" |
774a5ee9 | 113 | #include "AliESDEvent.h" |
114 | #include "AliESDfriend.h" | |
115 | #include "AliESDtrack.h" | |
116 | ||
e4042305 | 117 | #include "AliTPCTracklet.h" |
118 | #include "TH1D.h" | |
bb6bc8f6 | 119 | #include "TH2F.h" |
7eaa723e | 120 | #include "TVectorD.h" |
e149f26d | 121 | #include "TTreeStream.h" |
7eaa723e | 122 | #include "TFile.h" |
6f387311 | 123 | #include "TTree.h" |
e81dc112 | 124 | #include "TF1.h" |
8b3c60d8 | 125 | #include "TGraphErrors.h" |
967eae0d | 126 | #include "AliTPCclusterMI.h" |
127 | #include "AliTPCseed.h" | |
128 | #include "AliTracker.h" | |
129 | #include "TClonesArray.h" | |
1d82fc56 | 130 | #include "AliExternalComparison.h" |
774a5ee9 | 131 | #include "AliLog.h" |
132 | #include "TFile.h" | |
133 | #include "TProfile.h" | |
134 | #include "TCanvas.h" | |
135 | #include "TLegend.h" | |
9318a5b4 | 136 | |
8b3c60d8 | 137 | |
138 | #include "TTreeStream.h" | |
9318a5b4 | 139 | #include <iostream> |
e4042305 | 140 | #include <sstream> |
9318a5b4 | 141 | using namespace std; |
142 | ||
6f387311 | 143 | AliTPCcalibAlign* AliTPCcalibAlign::fgInstance = 0; |
9318a5b4 | 144 | ClassImp(AliTPCcalibAlign) |
145 | ||
6f387311 | 146 | |
147 | ||
148 | ||
149 | AliTPCcalibAlign* AliTPCcalibAlign::Instance() | |
150 | { | |
151 | // | |
152 | // Singleton implementation | |
153 | // Returns an instance of this class, it is created if neccessary | |
154 | // | |
155 | if (fgInstance == 0){ | |
156 | fgInstance = new AliTPCcalibAlign(); | |
157 | } | |
158 | return fgInstance; | |
159 | } | |
160 | ||
161 | ||
162 | ||
163 | ||
9318a5b4 | 164 | AliTPCcalibAlign::AliTPCcalibAlign() |
bb6bc8f6 | 165 | : AliTPCcalibBase(), |
166 | fDphiHistArray(72*72), | |
e4042305 | 167 | fDthetaHistArray(72*72), |
168 | fDyHistArray(72*72), | |
169 | fDzHistArray(72*72), | |
bb6bc8f6 | 170 | // |
171 | fDyPhiHistArray(72*72), // array of residual histograms y -kYPhi | |
172 | fDzThetaHistArray(72*72), // array of residual histograms z-z -kZTheta | |
173 | fDphiZHistArray(72*72), // array of residual histograms phi -kPhiz | |
174 | fDthetaZHistArray(72*72), // array of residual histograms theta -kThetaz | |
175 | fDyZHistArray(72*72), // array of residual histograms y -kYz | |
176 | fDzZHistArray(72*72), // array of residual histograms z -kZz | |
e4042305 | 177 | fFitterArray12(72*72), |
178 | fFitterArray9(72*72), | |
6f387311 | 179 | fFitterArray6(72*72), |
180 | fMatrixArray12(72*72), | |
181 | fMatrixArray9(72*72), | |
1d82fc56 | 182 | fMatrixArray6(72*72), |
183 | fCombinedMatrixArray6(72), | |
184 | fCompTracklet(0), // tracklet comparison | |
774a5ee9 | 185 | fNoField(kFALSE), |
186 | fXIO(0), | |
187 | fXmiddle(0), | |
188 | fXquadrant(0), | |
189 | fArraySectorIntParam(36), // array of sector alignment parameters | |
190 | fArraySectorIntCovar(36), // array of sector alignment covariances | |
191 | // | |
192 | // Kalman filter for global alignment | |
193 | // | |
194 | fSectorParamA(0), // Kalman parameter for A side | |
195 | fSectorCovarA(0), // Kalman covariance for A side | |
196 | fSectorParamC(0), // Kalman parameter for A side | |
4de48bc7 | 197 | fSectorCovarC(0), // Kalman covariance for A side |
198 | fUseInnerOuter(kTRUE)// flag- use Inner Outer sector for left righ alignment | |
9318a5b4 | 199 | { |
200 | // | |
201 | // Constructor | |
202 | // | |
203 | for (Int_t i=0;i<72*72;++i) { | |
204 | fPoints[i]=0; | |
205 | } | |
774a5ee9 | 206 | AliTPCROC * roc = AliTPCROC::Instance(); |
207 | fXquadrant = roc->GetPadRowRadii(36,53); | |
208 | fXmiddle = ( roc->GetPadRowRadii(0,0)+roc->GetPadRowRadii(36,roc->GetNRows(36)-1))*0.5; | |
209 | fXIO = ( roc->GetPadRowRadii(0,roc->GetNRows(0)-1)+roc->GetPadRowRadii(36,0))*0.5; | |
9318a5b4 | 210 | } |
211 | ||
e149f26d | 212 | AliTPCcalibAlign::AliTPCcalibAlign(const Text_t *name, const Text_t *title) |
213 | :AliTPCcalibBase(), | |
214 | fDphiHistArray(72*72), | |
215 | fDthetaHistArray(72*72), | |
216 | fDyHistArray(72*72), | |
217 | fDzHistArray(72*72), | |
bb6bc8f6 | 218 | fDyPhiHistArray(72*72), // array of residual histograms y -kYPhi |
219 | fDzThetaHistArray(72*72), // array of residual histograms z-z -kZTheta | |
220 | fDphiZHistArray(72*72), // array of residual histograms phi -kPhiz | |
221 | fDthetaZHistArray(72*72), // array of residual histograms theta -kThetaz | |
222 | fDyZHistArray(72*72), // array of residual histograms y -kYz | |
6f387311 | 223 | fDzZHistArray(72*72), // array of residual histograms z -kZz // |
e149f26d | 224 | fFitterArray12(72*72), |
225 | fFitterArray9(72*72), | |
6f387311 | 226 | fFitterArray6(72*72), |
227 | fMatrixArray12(72*72), | |
228 | fMatrixArray9(72*72), | |
1d82fc56 | 229 | fMatrixArray6(72*72), |
230 | fCombinedMatrixArray6(72), | |
231 | fCompTracklet(0), // tracklet comparison | |
774a5ee9 | 232 | fNoField(kFALSE), |
233 | fXIO(0), | |
234 | fXmiddle(0), | |
235 | fXquadrant(0), | |
236 | fArraySectorIntParam(36), // array of sector alignment parameters | |
237 | fArraySectorIntCovar(36), // array of sector alignment covariances | |
238 | // | |
239 | // Kalman filter for global alignment | |
240 | // | |
241 | fSectorParamA(0), // Kalman parameter for A side | |
242 | fSectorCovarA(0), // Kalman covariance for A side | |
243 | fSectorParamC(0), // Kalman parameter for A side | |
4de48bc7 | 244 | fSectorCovarC(0), // Kalman covariance for A side |
245 | fUseInnerOuter(kTRUE)// flag- use Inner Outer sector for left righ alignment | |
246 | ||
e149f26d | 247 | { |
248 | // | |
249 | // Constructor | |
250 | // | |
251 | SetName(name); | |
252 | SetTitle(title); | |
253 | for (Int_t i=0;i<72*72;++i) { | |
254 | fPoints[i]=0; | |
255 | } | |
774a5ee9 | 256 | AliTPCROC * roc = AliTPCROC::Instance(); |
257 | fXquadrant = roc->GetPadRowRadii(36,53); | |
258 | fXmiddle = ( roc->GetPadRowRadii(0,0)+roc->GetPadRowRadii(36,roc->GetNRows(36)-1))*0.5; | |
259 | fXIO = ( roc->GetPadRowRadii(0,roc->GetNRows(0)-1)+roc->GetPadRowRadii(36,0))*0.5; | |
260 | ||
261 | ||
e149f26d | 262 | } |
263 | ||
bb6bc8f6 | 264 | |
265 | AliTPCcalibAlign::AliTPCcalibAlign(const AliTPCcalibAlign &align) | |
266 | :AliTPCcalibBase(align), | |
267 | fDphiHistArray(align.fDphiHistArray), | |
268 | fDthetaHistArray(align.fDthetaHistArray), | |
269 | fDyHistArray(align.fDyHistArray), | |
270 | fDzHistArray(align.fDzHistArray), | |
271 | fDyPhiHistArray(align.fDyPhiHistArray), // array of residual histograms y -kYPhi | |
272 | fDzThetaHistArray(align.fDzThetaHistArray), // array of residual histograms z-z -kZTheta | |
273 | fDphiZHistArray(align.fDphiZHistArray), // array of residual histograms phi -kPhiz | |
274 | fDthetaZHistArray(align.fDthetaZHistArray), // array of residual histograms theta -kThetaz | |
275 | fDyZHistArray(align.fDyZHistArray), // array of residual histograms y -kYz | |
276 | fDzZHistArray(align.fDzZHistArray), // array of residual histograms z -kZz | |
277 | // | |
278 | fFitterArray12(align.fFitterArray12), | |
279 | fFitterArray9(align.fFitterArray9), | |
6f387311 | 280 | fFitterArray6(align.fFitterArray6), |
281 | ||
282 | fMatrixArray12(align.fMatrixArray12), | |
283 | fMatrixArray9(align.fMatrixArray9), | |
1d82fc56 | 284 | fMatrixArray6(align.fMatrixArray6), |
285 | fCombinedMatrixArray6(align.fCombinedMatrixArray6), | |
286 | fCompTracklet(align.fCompTracklet), // tracklet comparison | |
774a5ee9 | 287 | fNoField(align.fNoField), |
288 | fXIO(align.fXIO), | |
289 | fXmiddle(align.fXmiddle), | |
290 | fXquadrant(align.fXquadrant), | |
291 | fArraySectorIntParam(align.fArraySectorIntParam), // array of sector alignment parameters | |
292 | fArraySectorIntCovar(align.fArraySectorIntCovar), // array of sector alignment covariances | |
293 | fSectorParamA(0), // Kalman parameter for A side | |
294 | fSectorCovarA(0), // Kalman covariance for A side | |
295 | fSectorParamC(0), // Kalman parameter for A side | |
4de48bc7 | 296 | fSectorCovarC(0), // Kalman covariance for A side |
297 | fUseInnerOuter(kTRUE)// flag- use Inner Outer sector for left righ alignment | |
298 | ||
bb6bc8f6 | 299 | { |
300 | // | |
301 | // copy constructor - copy also the content | |
302 | // | |
303 | TH1 * his = 0; | |
304 | TObjArray * arr0=0; | |
305 | const TObjArray *arr1=0; | |
306 | for (Int_t index =0; index<72*72; index++){ | |
307 | for (Int_t iarray=0;iarray<10; iarray++){ | |
308 | if (iarray==kY){ | |
309 | arr0 = &fDyHistArray; | |
310 | arr1 = &align.fDyHistArray; | |
311 | } | |
312 | if (iarray==kZ){ | |
313 | arr0 = &fDzHistArray; | |
314 | arr1 = &align.fDzHistArray; | |
315 | } | |
316 | if (iarray==kPhi){ | |
317 | arr0 = &fDphiHistArray; | |
318 | arr1 = &align.fDphiHistArray; | |
319 | } | |
320 | if (iarray==kTheta){ | |
321 | arr0 = &fDthetaHistArray; | |
322 | arr1 = &align.fDthetaHistArray; | |
323 | } | |
324 | if (iarray==kYz){ | |
325 | arr0 = &fDyZHistArray; | |
326 | arr1 = &align.fDyZHistArray; | |
327 | } | |
328 | if (iarray==kZz){ | |
329 | arr0 = &fDzZHistArray; | |
330 | arr1 = &align.fDzZHistArray; | |
331 | } | |
332 | if (iarray==kPhiZ){ | |
333 | arr0 = &fDphiZHistArray; | |
334 | arr1 = &align.fDphiZHistArray; | |
335 | } | |
336 | if (iarray==kThetaZ){ | |
337 | arr0 = &fDthetaZHistArray; | |
338 | arr1 = &align.fDthetaZHistArray; | |
339 | } | |
340 | ||
341 | if (iarray==kYPhi){ | |
342 | arr0 = &fDyPhiHistArray; | |
343 | arr1 = &align.fDyPhiHistArray; | |
344 | } | |
345 | if (iarray==kZTheta){ | |
346 | arr0 = &fDzThetaHistArray; | |
347 | arr1 = &align.fDzThetaHistArray; | |
348 | } | |
349 | ||
350 | if (arr1->At(index)) { | |
351 | his = (TH1*)arr1->At(index)->Clone(); | |
352 | his->SetDirectory(0); | |
353 | arr0->AddAt(his,index); | |
354 | } | |
355 | } | |
356 | } | |
774a5ee9 | 357 | // |
358 | // | |
359 | // | |
360 | if (align.fSectorParamA){ | |
361 | fSectorParamA = (TMatrixD*)align.fSectorParamA->Clone(); | |
362 | fSectorParamA = (TMatrixD*)align.fSectorCovarA->Clone(); | |
363 | fSectorParamC = (TMatrixD*)align.fSectorParamA->Clone(); | |
364 | fSectorParamC = (TMatrixD*)align.fSectorCovarA->Clone(); | |
365 | } | |
bb6bc8f6 | 366 | } |
367 | ||
368 | ||
9318a5b4 | 369 | AliTPCcalibAlign::~AliTPCcalibAlign() { |
370 | // | |
371 | // destructor | |
372 | // | |
774a5ee9 | 373 | fDphiHistArray.SetOwner(kTRUE); // array of residual histograms phi -kPhi |
374 | fDthetaHistArray.SetOwner(kTRUE); // array of residual histograms theta -kTheta | |
375 | fDyHistArray.SetOwner(kTRUE); // array of residual histograms y -kY | |
376 | fDzHistArray.SetOwner(kTRUE); // array of residual histograms z -kZ | |
377 | // | |
378 | fDyPhiHistArray.SetOwner(kTRUE); // array of residual histograms y -kYPhi | |
379 | fDzThetaHistArray.SetOwner(kTRUE); // array of residual histograms z-z -kZTheta | |
380 | // | |
381 | fDphiZHistArray.SetOwner(kTRUE); // array of residual histograms phi -kPhiz | |
382 | fDthetaZHistArray.SetOwner(kTRUE); // array of residual histograms theta -kThetaz | |
383 | fDyZHistArray.SetOwner(kTRUE); // array of residual histograms y -kYz | |
384 | fDzZHistArray.SetOwner(kTRUE); // array of residual histograms z -kZz | |
385 | ||
386 | fDphiHistArray.Delete(); // array of residual histograms phi -kPhi | |
387 | fDthetaHistArray.Delete(); // array of residual histograms theta -kTheta | |
388 | fDyHistArray.Delete(); // array of residual histograms y -kY | |
389 | fDzHistArray.Delete(); // array of residual histograms z -kZ | |
390 | // | |
391 | fDyPhiHistArray.Delete(); // array of residual histograms y -kYPhi | |
392 | fDzThetaHistArray.Delete(); // array of residual histograms z-z -kZTheta | |
393 | // | |
394 | fDphiZHistArray.Delete(); // array of residual histograms phi -kPhiz | |
395 | fDthetaZHistArray.Delete(); // array of residual histograms theta -kThetaz | |
396 | fDyZHistArray.Delete(); // array of residual histograms y -kYz | |
397 | fDzZHistArray.Delete(); // array of residual histograms z -kZz | |
398 | ||
399 | fFitterArray12.SetOwner(kTRUE); // array of fitters | |
400 | fFitterArray9.SetOwner(kTRUE); // array of fitters | |
401 | fFitterArray6.SetOwner(kTRUE); // array of fitters | |
402 | // | |
403 | fMatrixArray12.SetOwner(kTRUE); // array of transnformtation matrix | |
404 | fMatrixArray9.SetOwner(kTRUE); // array of transnformtation matrix | |
405 | fMatrixArray6.SetOwner(kTRUE); // array of transnformtation matrix | |
406 | // | |
407 | fFitterArray12.Delete(); // array of fitters | |
408 | fFitterArray9.Delete(); // array of fitters | |
409 | fFitterArray6.Delete(); // array of fitters | |
410 | // | |
411 | fMatrixArray12.Delete(); // array of transnformtation matrix | |
412 | fMatrixArray9.Delete(); // array of transnformtation matrix | |
413 | fMatrixArray6.Delete(); // array of transnformtation matrix | |
414 | ||
415 | if (fCompTracklet) delete fCompTracklet; | |
416 | ||
417 | fArraySectorIntParam.SetOwner(kTRUE); // array of sector alignment parameters | |
418 | fArraySectorIntCovar.SetOwner(kTRUE); // array of sector alignment covariances | |
419 | fArraySectorIntParam.Delete(); // array of sector alignment parameters | |
420 | fArraySectorIntCovar.Delete(); // array of sector alignment covariances | |
421 | ||
9318a5b4 | 422 | } |
423 | ||
774a5ee9 | 424 | void AliTPCcalibAlign::Process(AliESDEvent *event) { |
425 | // | |
426 | // Process pairs of cosmic tracks | |
427 | // | |
4de48bc7 | 428 | ExportTrackPoints(event); // export track points for external calibration |
774a5ee9 | 429 | const Int_t kMaxTracks =50; |
430 | const Int_t kminCl = 40; | |
431 | AliESDfriend *ESDfriend=static_cast<AliESDfriend*>(event->FindListObject("AliESDfriend")); | |
432 | if (!ESDfriend) return; | |
433 | Int_t ntracks=event->GetNumberOfTracks(); | |
434 | Float_t dca0[2]; | |
435 | Float_t dca1[2]; | |
436 | // | |
437 | // | |
438 | // | |
439 | // | |
440 | if (ntracks>kMaxTracks) return; | |
441 | // | |
442 | //select pairs - for alignment | |
443 | for (Int_t i0=0;i0<ntracks;++i0) { | |
444 | AliESDtrack *track0 = event->GetTrack(i0); | |
445 | // if (track0->GetTPCNcls()<kminCl) continue; | |
446 | track0->GetImpactParameters(dca0[0],dca0[1]); | |
447 | // if (TMath::Abs(dca0[0])>30) continue; | |
448 | // | |
449 | for (Int_t i1=0;i1<ntracks;++i1) { | |
450 | if (i0==i1) continue; | |
451 | AliESDtrack *track1 = event->GetTrack(i1); | |
452 | // if (track1->GetTPCNcls()<kminCl) continue; | |
453 | track1->GetImpactParameters(dca1[0],dca1[1]); | |
454 | // fast cuts on dca and theta | |
455 | // if (TMath::Abs(dca1[0]+dca0[0])>15) continue; | |
456 | // if (TMath::Abs(dca1[1]-dca0[1])>15) continue; | |
457 | // if (TMath::Abs(track0->GetParameter()[3]+track1->GetParameter()[3])>0.1) continue; | |
458 | // | |
459 | AliESDfriendTrack *friendTrack = 0; | |
460 | TObject *calibObject=0; | |
461 | AliTPCseed *seed0 = 0,*seed1=0; | |
462 | // | |
463 | friendTrack = (AliESDfriendTrack *)ESDfriend->GetTrack(i0);; | |
464 | for (Int_t l=0;(calibObject=friendTrack->GetCalibObject(l));++l) { | |
465 | if ((seed0=dynamic_cast<AliTPCseed*>(calibObject))) break; | |
466 | } | |
467 | friendTrack = (AliESDfriendTrack *)ESDfriend->GetTrack(i1);; | |
468 | for (Int_t l=0;(calibObject=friendTrack->GetCalibObject(l));++l) { | |
469 | if ((seed1=dynamic_cast<AliTPCseed*>(calibObject))) break; | |
470 | } | |
471 | ||
472 | if (!seed0) continue; | |
473 | if (!seed1) continue; | |
474 | Int_t nclsectors0[72], nclsectors1[72]; | |
475 | for (Int_t isec=0;isec<72;isec++){ | |
476 | nclsectors0[isec]=0; | |
477 | nclsectors1[isec]=0; | |
478 | } | |
479 | for (Int_t i=0;i<160;i++){ | |
480 | AliTPCclusterMI *c0=seed0->GetClusterPointer(i); | |
481 | AliTPCclusterMI *c1=seed1->GetClusterPointer(i); | |
482 | if (c0) nclsectors0[c0->GetDetector()]+=1; | |
483 | if (c1) nclsectors1[c1->GetDetector()]+=1; | |
484 | } | |
485 | ||
486 | for (Int_t isec0=0; isec0<72;isec0++){ | |
487 | if (nclsectors0[isec0]<kminCl) continue; | |
488 | for (Int_t isec1=0; isec1<72;isec1++){ | |
489 | if (nclsectors1[isec1]<kminCl) continue; | |
490 | Int_t s0 = isec0; | |
491 | Int_t s1 = isec1; | |
492 | Double_t parLine0[10]; | |
493 | Double_t parLine1[10]; | |
494 | TMatrixD par0(4,1),cov0(4,4),par1(4,1),cov1(4,4); | |
4de48bc7 | 495 | Bool_t useInnerOuter = kFALSE; |
496 | if (s1%36!=s0%36) useInnerOuter = fUseInnerOuter; // for left - right alignment both sectors refit can be used if specified | |
497 | Int_t nl0 = RefitLinear(seed0,s0, parLine0, s0,par0,cov0,fXIO,useInnerOuter); | |
498 | Int_t nl1 = RefitLinear(seed1,s1, parLine1, s0,par1,cov1,fXIO,useInnerOuter); | |
774a5ee9 | 499 | parLine0[0]=0; // reference frame in IO boundary |
500 | parLine1[0]=0; | |
501 | // if (nl0<kminCl || nl1<kminCl) continue; | |
502 | // | |
503 | // | |
504 | Bool_t isOK=kTRUE; | |
505 | if (TMath::Min(nl0,nl1)<kminCl) isOK=kFALSE; | |
506 | // apply selection criteria | |
507 | // | |
508 | Float_t dp0,dp1,dp3; | |
509 | Float_t pp0,pp1,pp3; | |
510 | dp0=par0(0,0)-par1(0,0); | |
511 | dp1=par0(1,0)-par1(1,0); | |
512 | dp3=par0(3,0)-par1(3,0); | |
513 | pp0=dp0/TMath::Sqrt(cov0(0,0)+cov1(0,0)+0.1*0.1); | |
514 | pp1=dp1/TMath::Sqrt(cov0(1,1)+cov1(1,1)+0.0015*0.0015); | |
515 | pp3=dp3/TMath::Sqrt(cov0(3,3)+cov1(3,3)+0.0015*0.0015); | |
516 | // | |
517 | if (TMath::Abs(dp0)>1.0) isOK=kFALSE; | |
518 | if (TMath::Abs(dp1)>0.02) isOK=kFALSE; | |
519 | if (TMath::Abs(dp3)>0.02) isOK=kFALSE; | |
520 | if (TMath::Abs(pp0)>6) isOK=kFALSE; | |
521 | if (TMath::Abs(pp1)>6) isOK=kFALSE; | |
522 | if (TMath::Abs(pp3)>6) isOK=kFALSE; | |
523 | // | |
524 | if (isOK){ | |
525 | FillHisto(parLine0,parLine1,s0,s1); | |
526 | ProcessAlign(parLine0,parLine1,s0,s1); | |
527 | UpdateKalman(s0,s1,par0, cov0, par1, cov1); | |
528 | } | |
529 | if (fStreamLevel>0){ | |
530 | TTreeSRedirector *cstream = GetDebugStreamer(); | |
531 | if (cstream){ | |
532 | (*cstream)<<"cosmic"<< | |
533 | "isOK="<<isOK<< | |
534 | "s0="<<s0<< | |
535 | "s1="<<s1<< | |
536 | "nl0="<<nl0<< | |
537 | "nl1="<<nl1<< | |
538 | "p0.="<<&par0<< | |
539 | "p1.="<<&par1<< | |
540 | "c0.="<<&cov0<< | |
541 | "c1.="<<&cov1<< | |
542 | "\n"; | |
543 | } | |
544 | } | |
545 | } | |
546 | } | |
547 | } | |
548 | } | |
549 | } | |
550 | ||
4de48bc7 | 551 | void AliTPCcalibAlign::ExportTrackPoints(AliESDEvent *event){ |
552 | // | |
553 | // Export track points for alignment - calibration | |
554 | // export space points for pairs of tracks if possible | |
555 | // | |
556 | AliESDfriend *ESDfriend=static_cast<AliESDfriend*>(event->FindListObject("AliESDfriend")); | |
557 | if (!ESDfriend) return; | |
558 | Int_t ntracks=event->GetNumberOfTracks(); | |
559 | //cuts | |
560 | const Int_t kminCl = 60; | |
561 | const Int_t kminClSum = 120; | |
562 | // const Double_t kDistY = 5; | |
563 | // const Double_t kDistZ = 40; | |
564 | const Double_t kDistTh = 0.05; | |
565 | const Double_t kDist1Pt = 0.1; | |
566 | // | |
567 | Float_t dca0[2]; | |
568 | Float_t dca1[2]; | |
569 | Int_t index0=0,index1=0; | |
570 | // | |
571 | for (Int_t i0=0;i0<ntracks;++i0) { | |
572 | AliESDtrack *track0 = event->GetTrack(i0); | |
573 | if (!track0) continue; | |
574 | if ((track0->GetStatus() & AliESDtrack::kTPCrefit)==0) continue; | |
575 | if (track0->GetOuterParam()==0) continue; | |
576 | AliESDtrack *track1P = 0; | |
577 | if (track0->GetTPCNcls()<kminCl) continue; | |
578 | track0->GetImpactParameters(dca0[0],dca0[1]); | |
579 | index0=i0; | |
580 | index1=-1; | |
581 | // | |
582 | for (Int_t i1=0;i1<ntracks;++i1) { | |
583 | if (i0==i1) continue; | |
584 | AliESDtrack *track1 = event->GetTrack(i1); | |
585 | if (!track1) continue; | |
586 | if ((track1->GetStatus() & AliESDtrack::kTPCrefit)==0) continue; | |
587 | if (track1->GetOuterParam()==0) continue; | |
588 | if (track1->GetTPCNcls()<kminCl) continue; | |
589 | track1->GetImpactParameters(dca1[0],dca1[1]); | |
590 | //if (TMath::Abs(dca1[0]-dca0[0])>kDistY) continue; | |
591 | //if (TMath::Abs(dca1[1]-dca0[1])>kDistZ) continue; | |
592 | if (TMath::Abs(track0->GetTgl()+track1->GetTgl())>kDistTh) continue; | |
593 | if (TMath::Abs(track0->GetSigned1Pt()+track1->GetSigned1Pt())>kDist1Pt) continue; | |
594 | track1P = track1; | |
595 | index1=i1; | |
596 | } | |
597 | AliESDfriendTrack *friendTrack = 0; | |
598 | TObject *calibObject=0; | |
599 | AliTPCseed *seed0 = 0,*seed1=0; | |
600 | // | |
601 | friendTrack = (AliESDfriendTrack *)ESDfriend->GetTrack(index0);; | |
602 | for (Int_t l=0;(calibObject=friendTrack->GetCalibObject(l));++l) { | |
603 | if ((seed0=dynamic_cast<AliTPCseed*>(calibObject))) break; | |
604 | } | |
605 | if (index1>0){ | |
606 | friendTrack = (AliESDfriendTrack *)ESDfriend->GetTrack(index1);; | |
607 | for (Int_t l=0;(calibObject=friendTrack->GetCalibObject(l));++l) { | |
608 | if ((seed1=dynamic_cast<AliTPCseed*>(calibObject))) break; | |
609 | } | |
610 | } | |
611 | // | |
612 | Int_t npoints=0, ncont=0; | |
613 | if (seed0) {npoints+=seed0->GetNumberOfClusters(); ncont++;} | |
614 | if (seed1) {npoints+=seed1->GetNumberOfClusters(); ncont++;} | |
615 | if (npoints<kminClSum) continue; | |
616 | Int_t cpoint=0; | |
617 | AliTrackPointArray array(npoints); | |
618 | if (seed0) for (Int_t icl = 0; icl<160; icl++){ | |
619 | AliTPCclusterMI *cluster=seed0->GetClusterPointer(icl); | |
620 | if (!cluster) continue; | |
621 | Float_t xyz[3]; | |
622 | Float_t cov[6]; | |
623 | cluster->GetGlobalXYZ(xyz); | |
624 | cluster->GetGlobalCov(cov); | |
625 | AliTrackPoint point(xyz,cov,cluster->GetDetector()); | |
626 | array.AddPoint(npoints, &point); | |
627 | if (cpoint>=npoints) continue; //shoul not happen | |
628 | array.AddPoint(cpoint, &point); | |
629 | cpoint++; | |
630 | } | |
631 | if (seed1) for (Int_t icl = 0; icl<160; icl++){ | |
632 | AliTPCclusterMI *cluster=seed1->GetClusterPointer(icl); | |
633 | if (!cluster) continue; | |
634 | Float_t xyz[3]; | |
635 | Float_t cov[6]; | |
636 | cluster->GetGlobalXYZ(xyz); | |
637 | cluster->GetGlobalCov(cov); | |
638 | AliTrackPoint point(xyz,cov,cluster->GetDetector()); | |
639 | array.AddPoint(npoints, &point); | |
640 | if (cpoint>=npoints) continue; //shoul not happen | |
641 | array.AddPoint(cpoint, &point); | |
642 | cpoint++; | |
643 | } | |
644 | // | |
645 | // | |
646 | // | |
647 | TTreeSRedirector *cstream = GetDebugStreamer(); | |
648 | if (cstream){ | |
649 | static AliExternalTrackParam dummy; | |
650 | AliExternalTrackParam *p0In = &dummy; | |
651 | AliExternalTrackParam *p1In = &dummy; | |
652 | AliExternalTrackParam *p0Out = &dummy; | |
653 | AliExternalTrackParam *p1Out = &dummy; | |
654 | if (track0) { | |
655 | p0In= new AliExternalTrackParam(*track0); | |
656 | p0Out=new AliExternalTrackParam(*(track0->GetOuterParam())); | |
657 | } | |
658 | if (track1P) { | |
659 | p1In= new AliExternalTrackParam(*track1P); | |
660 | p1Out=new AliExternalTrackParam(*(track1P->GetOuterParam())); | |
661 | } | |
662 | ||
663 | (*cstream)<<"trackPoints"<< | |
664 | "run="<<fRun<< // run number | |
665 | "event="<<fEvent<< // event number | |
666 | "time="<<fTime<< // time stamp of event | |
667 | "trigger="<<fTrigger<< // trigger | |
668 | "triggerClass="<<&fTriggerClass<< // trigger | |
669 | "mag="<<fMagF<< // magnetic field | |
670 | // | |
671 | "ntracks="<<ntracks<< // number of tracks | |
672 | "ncont="<<ncont<< // number of contributors | |
673 | "p0In.="<<p0In<< // track parameters0 | |
674 | "p1In.="<<p1In<< // track parameters1 | |
675 | "p0Out.="<<p0Out<< // track parameters0 | |
676 | "p1Out.="<<p1Out<< // track parameters0 | |
677 | "p.="<<&array<< | |
678 | "\n"; | |
679 | } | |
680 | } | |
681 | } | |
682 | ||
774a5ee9 | 683 | |
684 | ||
685 | ||
e4042305 | 686 | void AliTPCcalibAlign::Process(AliTPCseed *seed) { |
175d237b | 687 | // |
688 | // | |
689 | // | |
774a5ee9 | 690 | // make a kalman tracklets out of seed |
691 | // | |
e4042305 | 692 | TObjArray tracklets= |
693 | AliTPCTracklet::CreateTracklets(seed,AliTPCTracklet::kKalman, | |
774a5ee9 | 694 | kFALSE,20,4); |
e4042305 | 695 | tracklets.SetOwner(); |
774a5ee9 | 696 | Int_t ntracklets = tracklets.GetEntries(); |
697 | if (ntracklets<2) return; | |
698 | // | |
699 | // | |
700 | for (Int_t i1=0;i1<ntracklets;i1++) | |
701 | for (Int_t i2=0;i2<ntracklets;i2++){ | |
702 | if (i1==i2) continue; | |
703 | AliTPCTracklet *t1=static_cast<AliTPCTracklet*>(tracklets[i1]); | |
704 | AliTPCTracklet *t2=static_cast<AliTPCTracklet*>(tracklets[i2]); | |
705 | AliExternalTrackParam *common1=0,*common2=0; | |
706 | if (AliTPCTracklet::PropagateToMeanX(*t1,*t2,common1,common2)){ | |
707 | ProcessTracklets(*common1,*common2,seed, t1->GetSector(),t2->GetSector()); | |
708 | UpdateAlignSector(seed,t1->GetSector()); | |
709 | } | |
710 | delete common1; | |
711 | delete common2; | |
712 | } | |
e4042305 | 713 | } |
714 | ||
7eaa723e | 715 | void AliTPCcalibAlign::Analyze(){ |
716 | // | |
717 | // Analyze function | |
718 | // | |
719 | EvalFitters(); | |
720 | } | |
721 | ||
722 | ||
723 | void AliTPCcalibAlign::Terminate(){ | |
724 | // | |
725 | // Terminate function | |
726 | // call base terminate + Eval of fitters | |
727 | // | |
108953e9 | 728 | Info("AliTPCcalibAlign","Terminate"); |
7eaa723e | 729 | EvalFitters(); |
730 | AliTPCcalibBase::Terminate(); | |
731 | } | |
732 | ||
733 | ||
774a5ee9 | 734 | void AliTPCcalibAlign::UpdatePointCorrection(AliTPCPointCorrection * correction){ |
735 | // | |
736 | // Update point correction with alignment coefficients | |
737 | // | |
738 | for (Int_t isec=0;isec<36;isec++){ | |
739 | TMatrixD * matCorr = (TMatrixD*)(correction->fArraySectorIntParam.At(isec)); | |
740 | TMatrixD * matAlign = (TMatrixD*)(fArraySectorIntParam.At(isec)); | |
741 | TMatrixD * matAlignCovar = (TMatrixD*)(fArraySectorIntCovar.At(isec)); | |
742 | if (!matAlign) continue; | |
743 | if (!matCorr) { | |
744 | correction->fArraySectorIntParam.AddAt(matAlign->Clone(),isec); | |
745 | correction->fArraySectorIntCovar.AddAt(matAlignCovar->Clone(),isec); | |
746 | continue; | |
747 | } | |
748 | (*matCorr)+=(*matAlign); | |
749 | correction->fArraySectorIntCovar.AddAt(matAlignCovar->Clone(),isec); | |
750 | } | |
751 | // | |
752 | ||
753 | } | |
7eaa723e | 754 | |
755 | ||
e4042305 | 756 | void AliTPCcalibAlign::ProcessTracklets(const AliExternalTrackParam &tp1, |
757 | const AliExternalTrackParam &tp2, | |
967eae0d | 758 | const AliTPCseed * seed, |
e4042305 | 759 | Int_t s1,Int_t s2) { |
9318a5b4 | 760 | // |
761 | // Process function to fill fitters | |
762 | // | |
1d82fc56 | 763 | Double_t t1[10],t2[10]; |
774a5ee9 | 764 | Double_t &x1=t1[0], &y1=t1[1], &z1=t1[3], &dydx1=t1[2], &dzdx1=t1[4]; |
765 | Double_t &x2=t2[0], &y2=t2[1], &z2=t2[3], &dydx2=t2[2], &dzdx2=t2[4]; | |
9318a5b4 | 766 | x1 =tp1.GetX(); |
767 | y1 =tp1.GetY(); | |
768 | z1 =tp1.GetZ(); | |
769 | Double_t snp1=tp1.GetSnp(); | |
60e55aee | 770 | dydx1=snp1/TMath::Sqrt((1.-snp1)*(1.+snp1)); |
9318a5b4 | 771 | Double_t tgl1=tp1.GetTgl(); |
772 | // dz/dx = 1/(cos(theta)*cos(phi)) | |
60e55aee | 773 | dzdx1=tgl1/TMath::Sqrt((1.-snp1)*(1.+snp1)); |
7eaa723e | 774 | x2 =tp2.GetX(); |
9318a5b4 | 775 | y2 =tp2.GetY(); |
776 | z2 =tp2.GetZ(); | |
777 | Double_t snp2=tp2.GetSnp(); | |
60e55aee | 778 | dydx2=snp2/TMath::Sqrt((1.-snp2)*(1.+snp2)); |
9318a5b4 | 779 | Double_t tgl2=tp2.GetTgl(); |
60e55aee | 780 | dzdx2=tgl2/TMath::Sqrt((1.-snp2)*(1.+snp2)); |
774a5ee9 | 781 | |
7eaa723e | 782 | // |
774a5ee9 | 783 | // Kalman parameters |
7eaa723e | 784 | // |
774a5ee9 | 785 | t1[0]-=fXIO; |
786 | t2[0]-=fXIO; | |
787 | // errors | |
788 | t1[5]=0; t2[5]=0; | |
789 | t1[6]=TMath::Sqrt(tp1.GetSigmaY2()); | |
790 | t1[7]=TMath::Sqrt(tp1.GetSigmaSnp2()); | |
791 | t1[8]=TMath::Sqrt(tp1.GetSigmaZ2()); | |
792 | t1[9]=TMath::Sqrt(tp1.GetSigmaTgl2()); | |
793 | ||
794 | t2[6]=TMath::Sqrt(tp2.GetSigmaY2()); | |
795 | t2[7]=TMath::Sqrt(tp2.GetSigmaSnp2()); | |
796 | t2[8]=TMath::Sqrt(tp2.GetSigmaZ2()); | |
797 | t2[9]=TMath::Sqrt(tp2.GetSigmaTgl2()); | |
7eaa723e | 798 | // |
774a5ee9 | 799 | // linear parameters |
800 | // | |
801 | Double_t parLine1[10]; | |
802 | Double_t parLine2[10]; | |
803 | TMatrixD par1(4,1),cov1(4,4),par2(4,1),cov2(4,4); | |
4de48bc7 | 804 | Bool_t useInnerOuter = kFALSE; |
805 | if (s1%36!=s2%36) useInnerOuter = fUseInnerOuter; // for left - right alignment bot sectors refit can be used if specified | |
806 | Int_t nl1 = RefitLinear(seed,s1, parLine1, s1,par1,cov1,tp1.GetX(), useInnerOuter); | |
807 | Int_t nl2 = RefitLinear(seed,s2, parLine2, s1,par2,cov2,tp1.GetX(), useInnerOuter); | |
774a5ee9 | 808 | parLine1[0]=tp1.GetX()-fXIO; // parameters in IROC-OROC boundary |
809 | parLine2[0]=tp1.GetX()-fXIO; // parameters in IROC-OROC boundary | |
810 | // | |
811 | // | |
812 | // | |
813 | Int_t accept = AcceptTracklet(tp1,tp2); | |
814 | Int_t acceptLinear = AcceptTracklet(parLine1,parLine2); | |
815 | ||
1d82fc56 | 816 | if (fStreamLevel>1 && seed){ |
7eaa723e | 817 | TTreeSRedirector *cstream = GetDebugStreamer(); |
818 | if (cstream){ | |
819 | static TVectorD vec1(5); | |
820 | static TVectorD vec2(5); | |
774a5ee9 | 821 | static TVectorD vecL1(9); |
822 | static TVectorD vecL2(9); | |
7eaa723e | 823 | vec1.SetElements(t1); |
824 | vec2.SetElements(t2); | |
774a5ee9 | 825 | vecL1.SetElements(parLine1); |
826 | vecL2.SetElements(parLine2); | |
7eaa723e | 827 | AliExternalTrackParam *p1 = &((AliExternalTrackParam&)tp1); |
828 | AliExternalTrackParam *p2 = &((AliExternalTrackParam&)tp2); | |
829 | (*cstream)<<"Tracklet"<< | |
1d82fc56 | 830 | "accept="<<accept<< |
774a5ee9 | 831 | "acceptLinear="<<acceptLinear<< // accept linear tracklets |
108953e9 | 832 | "run="<<fRun<< // run number |
833 | "event="<<fEvent<< // event number | |
834 | "time="<<fTime<< // time stamp of event | |
835 | "trigger="<<fTrigger<< // trigger | |
774a5ee9 | 836 | "triggerClass="<<&fTriggerClass<< // trigger |
108953e9 | 837 | "mag="<<fMagF<< // magnetic field |
6f387311 | 838 | "isOK="<<accept<< // flag - used for alignment |
7eaa723e | 839 | "tp1.="<<p1<< |
840 | "tp2.="<<p2<< | |
841 | "v1.="<<&vec1<< | |
842 | "v2.="<<&vec2<< | |
843 | "s1="<<s1<< | |
844 | "s2="<<s2<< | |
774a5ee9 | 845 | "nl1="<<nl1<< // linear fit - n points |
846 | "nl2="<<nl2<< // linear fit - n points | |
847 | "vl1.="<<&vecL1<< // linear fits | |
848 | "vl2.="<<&vecL2<< // linear fits | |
7eaa723e | 849 | "\n"; |
850 | } | |
851 | } | |
774a5ee9 | 852 | if (TMath::Abs(fMagF)<0.005){ |
853 | // | |
854 | // use Linear fit | |
855 | // | |
856 | if (nl1>10 && nl2>10 &&(acceptLinear==0)){ | |
857 | if (seed) ProcessDiff(tp1,tp2, seed,s1,s2); | |
858 | if (TMath::Abs(parLine1[2])<0.8 &&TMath::Abs(parLine1[2])<0.8 ){ //angular cut | |
859 | FillHisto(parLine1,parLine2,s1,s2); | |
860 | ProcessAlign(parLine1,parLine2,s1,s2); | |
861 | UpdateKalman(s1,s2,par1, cov1, par2, cov2); | |
862 | } | |
863 | } | |
864 | } | |
1d82fc56 | 865 | if (accept>0) return; |
8b3c60d8 | 866 | // |
867 | // fill resolution histograms - previous cut included | |
774a5ee9 | 868 | if (TMath::Abs(fMagF)>0.005){ |
869 | // | |
870 | // use Kalman if mag field | |
871 | // | |
872 | if (seed) ProcessDiff(tp1,tp2, seed,s1,s2); | |
873 | FillHisto(t1,t2,s1,s2); | |
874 | ProcessAlign(t1,t2,s1,s2); | |
875 | } | |
6f387311 | 876 | } |
877 | ||
878 | void AliTPCcalibAlign::ProcessAlign(Double_t * t1, | |
879 | Double_t * t2, | |
880 | Int_t s1,Int_t s2){ | |
881 | // | |
882 | // Do intersector alignment | |
8b3c60d8 | 883 | // |
9318a5b4 | 884 | Process12(t1,t2,GetOrMakeFitter12(s1,s2)); |
7eaa723e | 885 | Process9(t1,t2,GetOrMakeFitter9(s1,s2)); |
886 | Process6(t1,t2,GetOrMakeFitter6(s1,s2)); | |
e81dc112 | 887 | ++fPoints[GetIndex(s1,s2)]; |
9318a5b4 | 888 | } |
889 | ||
1d82fc56 | 890 | void AliTPCcalibAlign::ProcessTree(TTree * chainTracklet, AliExternalComparison *comp){ |
6f387311 | 891 | // |
892 | // Process the debug streamer tree | |
893 | // Possible to modify selection criteria | |
894 | // Used with entry list | |
895 | // | |
896 | TTreeSRedirector * cstream = new TTreeSRedirector("aligndump.root"); | |
897 | ||
898 | AliTPCcalibAlign *align = this; | |
899 | // | |
900 | TVectorD * vec1 = 0; | |
901 | TVectorD * vec2 = 0; | |
1d82fc56 | 902 | AliExternalTrackParam * tp1 = 0; |
903 | AliExternalTrackParam * tp2 = 0; | |
6f387311 | 904 | Int_t s1 = 0; |
1d82fc56 | 905 | Int_t s2 = 0; |
906 | Int_t npoints =0; | |
6f387311 | 907 | { |
908 | Int_t entries=chainTracklet->GetEntries(); | |
909 | for (Int_t i=0; i< entries; i++){ | |
910 | chainTracklet->GetBranch("tp1.")->SetAddress(&tp1); | |
911 | chainTracklet->GetBranch("tp2.")->SetAddress(&tp2); | |
912 | chainTracklet->GetBranch("v1.")->SetAddress(&vec1); | |
913 | chainTracklet->GetBranch("v2.")->SetAddress(&vec2); | |
914 | chainTracklet->GetBranch("s1")->SetAddress(&s1); | |
915 | chainTracklet->GetBranch("s2")->SetAddress(&s2); | |
916 | chainTracklet->GetEntry(i); | |
1d82fc56 | 917 | if (!vec1) continue; |
918 | if (!vec2) continue; | |
919 | if (!tp1) continue; | |
920 | if (!tp2) continue; | |
921 | if (!vec1->GetMatrixArray()) continue; | |
922 | if (!vec2->GetMatrixArray()) continue; | |
923 | // make a local copy | |
924 | AliExternalTrackParam par1(*tp1); | |
925 | AliExternalTrackParam par2(*tp2); | |
926 | TVectorD svec1(*vec1); | |
927 | TVectorD svec2(*vec2); | |
928 | // | |
6f387311 | 929 | if (s1==s2) continue; |
1d82fc56 | 930 | if (i%100==0) printf("%d\t%d\t%d\t%d\t\n",i, npoints,s1,s2); |
931 | AliExternalTrackParam cpar1(par1); | |
932 | AliExternalTrackParam cpar2(par2); | |
933 | Constrain1Pt(cpar1,par2,fNoField); | |
934 | Constrain1Pt(cpar2,par1,fNoField); | |
935 | Bool_t acceptComp = kFALSE; | |
936 | if (comp) acceptComp=comp->AcceptPair(&par1,&par2); | |
937 | if (comp) acceptComp&=comp->AcceptPair(&cpar1,&cpar2); | |
938 | // | |
939 | Int_t reject = align->AcceptTracklet(par1,par2); | |
940 | Int_t rejectC =align->AcceptTracklet(cpar1,cpar2); | |
941 | ||
942 | if (1||fStreamLevel>0){ | |
6f387311 | 943 | (*cstream)<<"Tracklet"<< |
6f387311 | 944 | "s1="<<s1<< |
945 | "s2="<<s2<< | |
1d82fc56 | 946 | "reject="<<reject<< |
947 | "rejectC="<<rejectC<< | |
948 | "acceptComp="<<acceptComp<< | |
949 | "tp1.="<<&par1<< | |
950 | "tp2.="<<&par2<< | |
951 | "ctp1.="<<&cpar1<< | |
952 | "ctp2.="<<&cpar2<< | |
953 | "v1.="<<&svec1<< | |
954 | "v2.="<<&svec2<< | |
6f387311 | 955 | "\n"; |
956 | } | |
1d82fc56 | 957 | // |
958 | if (fNoField){ | |
959 | // | |
960 | // | |
961 | } | |
962 | if (acceptComp) comp->Process(&cpar1,&cpar2); | |
963 | // | |
964 | if (reject>0 || rejectC>0) continue; | |
965 | npoints++; | |
966 | align->ProcessTracklets(cpar1,cpar2,0,s1,s2); | |
967 | align->ProcessTracklets(cpar2,cpar1,0,s2,s1); | |
6f387311 | 968 | } |
969 | } | |
970 | delete cstream; | |
971 | } | |
972 | ||
973 | ||
1d82fc56 | 974 | Int_t AliTPCcalibAlign::AcceptTracklet(const AliExternalTrackParam &p1, |
975 | const AliExternalTrackParam &p2){ | |
6f387311 | 976 | |
977 | // | |
978 | // Accept pair of tracklets? | |
979 | // | |
980 | /* | |
981 | // resolution cuts | |
1d82fc56 | 982 | TCut cutS0("sqrt(tp2.fC[0]+tp1.fC[0])<0.2"); |
983 | TCut cutS1("sqrt(tp2.fC[2]+tp1.fC[2])<0.2"); | |
984 | TCut cutS2("sqrt(tp2.fC[5]+tp1.fC[5])<0.01"); | |
985 | TCut cutS3("sqrt(tp2.fC[9]+tp1.fC[9])<0.01"); | |
986 | TCut cutS4("sqrt(tp2.fC[14]+tp1.fC[14])<0.25"); | |
6f387311 | 987 | TCut cutS=cutS0+cutS1+cutS2+cutS3+cutS4; |
988 | // | |
989 | // parameters matching cuts | |
990 | TCut cutP0("abs(tp1.fP[0]-tp2.fP[0])<0.6"); | |
991 | TCut cutP1("abs(tp1.fP[1]-tp2.fP[1])<0.6"); | |
992 | TCut cutP2("abs(tp1.fP[2]-tp2.fP[2])<0.03"); | |
993 | TCut cutP3("abs(tp1.fP[3]-tp2.fP[3])<0.03"); | |
1d82fc56 | 994 | TCut cutP4("abs(tp1.fP[4]-tp2.fP[4])<0.5"); |
995 | TCut cutPP4("abs(tp1.fP[4]-tp2.fP[4])/sqrt(tp2.fC[14]+tp1.fC[14])<3"); | |
996 | TCut cutP=cutP0+cutP1+cutP2+cutP3+cutP4+cutPP4; | |
6f387311 | 997 | */ |
998 | // | |
999 | // resolution cuts | |
1d82fc56 | 1000 | Int_t reject=0; |
6f387311 | 1001 | const Double_t *cp1 = p1.GetCovariance(); |
1002 | const Double_t *cp2 = p2.GetCovariance(); | |
1d82fc56 | 1003 | if (TMath::Sqrt(cp1[0]+cp2[0])>0.2) reject|=1;; |
1004 | if (TMath::Sqrt(cp1[2]+cp2[2])>0.2) reject|=2; | |
1005 | if (TMath::Sqrt(cp1[5]+cp2[5])>0.01) reject|=4; | |
1006 | if (TMath::Sqrt(cp1[9]+cp2[9])>0.01) reject|=8; | |
1007 | if (TMath::Sqrt(cp1[14]+cp2[14])>0.2) reject|=16; | |
6f387311 | 1008 | |
1009 | //parameters difference | |
1010 | const Double_t *tp1 = p1.GetParameter(); | |
1011 | const Double_t *tp2 = p2.GetParameter(); | |
1d82fc56 | 1012 | if (TMath::Abs(tp1[0]-tp2[0])>0.6) reject|=32; |
1013 | if (TMath::Abs(tp1[1]-tp2[1])>0.6) reject|=64; | |
1014 | if (TMath::Abs(tp1[2]-tp2[2])>0.03) reject|=128; | |
1015 | if (TMath::Abs(tp1[3]-tp2[3])>0.03) reject|=526; | |
1016 | if (TMath::Abs(tp1[4]-tp2[4])>0.4) reject|=1024; | |
1017 | if (TMath::Abs(tp1[4]-tp2[4])/TMath::Sqrt(cp1[14]+cp2[14])>4) reject|=2048; | |
1018 | ||
6f387311 | 1019 | // |
1d82fc56 | 1020 | if (TMath::Abs(tp2[1])>235) reject|=2*4096; |
1021 | ||
1022 | if (fNoField){ | |
1023 | ||
1024 | } | |
1025 | ||
1026 | return reject; | |
6f387311 | 1027 | } |
1028 | ||
1029 | ||
774a5ee9 | 1030 | Int_t AliTPCcalibAlign::AcceptTracklet(const Double_t *t1, const Double_t *t2){ |
1031 | // | |
1032 | // accept tracklet - | |
1033 | // dist cut + 6 sigma cut | |
1034 | // | |
1035 | Double_t dy = t2[1]-t1[1]; | |
1036 | Double_t dphi = t2[2]-t1[2]; | |
1037 | Double_t dz = t2[3]-t1[3]; | |
1038 | Double_t dtheta = t2[4]-t1[4]; | |
1039 | // | |
1040 | Double_t sy = TMath::Sqrt(t1[6]*t1[6]+t2[6]*t2[6]+0.05*0.05); | |
1041 | Double_t sdydx = TMath::Sqrt(t1[7]*t1[7]+t2[7]*t2[7]+0.001*0.001); | |
1042 | Double_t sz = TMath::Sqrt(t1[8]*t1[8]+t2[8]*t2[8]+0.05*0.05); | |
1043 | Double_t sdzdx = TMath::Sqrt(t1[9]*t1[9]+t2[9]*t2[9]+0.001*0.001); | |
1044 | // | |
1045 | Int_t reject=0; | |
1046 | if (TMath::Abs(dy)>1.) reject|=2; | |
1047 | if (TMath::Abs(dphi)>0.1) reject|=4; | |
1048 | if (TMath::Abs(dz)>1.) reject|=8; | |
1049 | if (TMath::Abs(dtheta)>0.1) reject|=16; | |
1050 | // | |
1051 | if (TMath::Abs(dy/sy)>6) reject|=32; | |
1052 | if (TMath::Abs(dphi/sdydx)>6) reject|=64; | |
1053 | if (TMath::Abs(dz/sz)>6) reject|=128; | |
1054 | if (TMath::Abs(dtheta/sdzdx)>6) reject|=256; | |
1055 | return reject; | |
1056 | } | |
1057 | ||
6f387311 | 1058 | |
967eae0d | 1059 | void AliTPCcalibAlign::ProcessDiff(const AliExternalTrackParam &t1, |
1060 | const AliExternalTrackParam &t2, | |
1061 | const AliTPCseed *seed, | |
1062 | Int_t s1,Int_t s2) | |
1063 | { | |
1064 | // | |
1065 | // Process local residuals function | |
1066 | // | |
1067 | TVectorD vecX(160); | |
1068 | TVectorD vecY(160); | |
1069 | TVectorD vecZ(160); | |
1070 | TVectorD vecClY(160); | |
1071 | TVectorD vecClZ(160); | |
1072 | TClonesArray arrCl("AliTPCclusterMI",160); | |
1073 | arrCl.ExpandCreateFast(160); | |
1074 | Int_t count1=0, count2=0; | |
1d82fc56 | 1075 | |
967eae0d | 1076 | for (Int_t i=0;i<160;++i) { |
1077 | AliTPCclusterMI *c=seed->GetClusterPointer(i); | |
1078 | vecX[i]=0; | |
1079 | vecY[i]=0; | |
1080 | vecZ[i]=0; | |
1081 | if (!c) continue; | |
1082 | AliTPCclusterMI & cl = (AliTPCclusterMI&) (*arrCl[i]); | |
1083 | if (c->GetDetector()!=s1 && c->GetDetector()!=s2) continue; | |
1084 | vecClY[i] = c->GetY(); | |
1085 | vecClZ[i] = c->GetZ(); | |
1086 | cl=*c; | |
1087 | const AliExternalTrackParam *par = (c->GetDetector()==s1)? &t1:&t2; | |
1088 | if (c->GetDetector()==s1) ++count1; | |
1089 | if (c->GetDetector()==s2) ++count2; | |
1090 | Double_t gxyz[3],xyz[3]; | |
1091 | t1.GetXYZ(gxyz); | |
1092 | Float_t bz = AliTracker::GetBz(gxyz); | |
1093 | par->GetYAt(c->GetX(), bz, xyz[1]); | |
1094 | par->GetZAt(c->GetX(), bz, xyz[2]); | |
1095 | vecX[i] = c->GetX(); | |
1096 | vecY[i]= xyz[1]; | |
1097 | vecZ[i]= xyz[2]; | |
1098 | } | |
1099 | // | |
1100 | // | |
774a5ee9 | 1101 | if (fStreamLevel>5 && count1>10 && count2>10){ |
967eae0d | 1102 | // |
1103 | // huge output - cluster residuals to be investigated | |
1104 | // | |
1105 | TTreeSRedirector *cstream = GetDebugStreamer(); | |
967eae0d | 1106 | AliExternalTrackParam *p1 = &((AliExternalTrackParam&)t1); |
1107 | AliExternalTrackParam *p2 = &((AliExternalTrackParam&)t2); | |
1c1a1176 | 1108 | /* |
1109 | ||
1110 | Track->Draw("Cl[].fY-vtY.fElements:vtY.fElements-vtX.fElements*tan(pi/18.)>>his(100,-10,0)","Cl.fY!=0&&abs(Cl.fY-vtY.fElements)<1","prof"); | |
1111 | ||
1112 | */ | |
1113 | ||
967eae0d | 1114 | if (cstream){ |
1115 | (*cstream)<<"Track"<< | |
108953e9 | 1116 | "run="<<fRun<< // run number |
1117 | "event="<<fEvent<< // event number | |
1118 | "time="<<fTime<< // time stamp of event | |
1119 | "trigger="<<fTrigger<< // trigger | |
774a5ee9 | 1120 | "triggerClass="<<&fTriggerClass<< // trigger |
108953e9 | 1121 | "mag="<<fMagF<< // magnetic field |
967eae0d | 1122 | "Cl.="<<&arrCl<< |
1123 | //"tp0.="<<p0<< | |
1124 | "tp1.="<<p1<< | |
1125 | "tp2.="<<p2<< | |
1126 | "vtX.="<<&vecX<< | |
1127 | "vtY.="<<&vecY<< | |
1128 | "vtZ.="<<&vecZ<< | |
1129 | "vcY.="<<&vecClY<< | |
1130 | "vcZ.="<<&vecClZ<< | |
1131 | "s1="<<s1<< | |
1132 | "s2="<<s2<< | |
1133 | "c1="<<count1<< | |
1134 | "c2="<<count2<< | |
1135 | "\n"; | |
1136 | } | |
1137 | } | |
1138 | } | |
1139 | ||
1140 | ||
1141 | ||
1142 | ||
7eaa723e | 1143 | void AliTPCcalibAlign::Process12(const Double_t *t1, |
1144 | const Double_t *t2, | |
9318a5b4 | 1145 | TLinearFitter *fitter) { |
1146 | // x2 = a00*x1 + a01*y1 + a02*z1 + a03 | |
1147 | // y2 = a10*x1 + a11*y1 + a12*z1 + a13 | |
1148 | // z2 = a20*x1 + a21*y1 + a22*z1 + a23 | |
1149 | // dydx2 = (a10 + a11*dydx1 + a12*dzdx1)/(a00 + a01*dydx1 + a02*dzdx1) | |
1150 | // dzdx2 = (a20 + a21*dydx1 + a22*dzdx1)/(a00 + a01*dydx1 + a02*dzdx1) | |
1151 | // | |
f8a2dcfb | 1152 | // a00 a01 a02 a03 p[0] p[1] p[2] p[9] |
1153 | // a10 a11 a12 a13 ==> p[3] p[4] p[5] p[10] | |
1154 | // a20 a21 a22 a23 p[6] p[7] p[8] p[11] | |
1155 | ||
1156 | ||
1157 | ||
774a5ee9 | 1158 | const Double_t &x1=t1[0], &y1=t1[1], &z1=t1[3], &dydx1=t1[2], &dzdx1=t1[4]; |
1159 | const Double_t /*&x2=t2[0],*/ &y2=t2[1], &z2=t2[3], &dydx2=t2[2], &dzdx2=t2[4]; | |
9318a5b4 | 1160 | |
1d82fc56 | 1161 | // |
774a5ee9 | 1162 | Double_t sy = TMath::Sqrt(t1[6]*t1[6]+t2[6]*t2[6]); |
1163 | Double_t sdydx = TMath::Sqrt(t1[7]*t1[7]+t2[7]*t2[7]); | |
1164 | Double_t sz = TMath::Sqrt(t1[8]*t1[8]+t2[8]*t2[8]); | |
1165 | Double_t sdzdx = TMath::Sqrt(t1[9]*t1[9]+t2[9]*t2[9]); | |
9318a5b4 | 1166 | |
1167 | Double_t p[12]; | |
1168 | Double_t value; | |
1169 | ||
1170 | // x2 = a00*x1 + a01*y1 + a02*z1 + a03 | |
1171 | // y2 = a10*x1 + a11*y1 + a12*z1 + a13 | |
1172 | // y2' = a10*x1 + a11*y1 + a12*z1 + a13 + (a01*y1 + a02*z1 + a03)*dydx2 | |
1173 | for (Int_t i=0; i<12;i++) p[i]=0.; | |
1174 | p[3+0] = x1; // a10 | |
1175 | p[3+1] = y1; // a11 | |
1176 | p[3+2] = z1; // a12 | |
1177 | p[9+1] = 1.; // a13 | |
1178 | p[0+1] = y1*dydx2; // a01 | |
1179 | p[0+2] = z1*dydx2; // a02 | |
1180 | p[9+0] = dydx2; // a03 | |
1181 | value = y2; | |
1182 | fitter->AddPoint(p,value,sy); | |
1183 | ||
1184 | // x2 = a00*x1 + a01*y1 + a02*z1 + a03 | |
1185 | // z2 = a20*x1 + a21*y1 + a22*z1 + a23 | |
1186 | // z2' = a20*x1 + a21*y1 + a22*z1 + a23 + (a01*y1 + a02*z1 + a03)*dzdx2; | |
1187 | for (Int_t i=0; i<12;i++) p[i]=0.; | |
1188 | p[6+0] = x1; // a20 | |
1189 | p[6+1] = y1; // a21 | |
1190 | p[6+2] = z1; // a22 | |
1191 | p[9+2] = 1.; // a23 | |
1192 | p[0+1] = y1*dzdx2; // a01 | |
1193 | p[0+2] = z1*dzdx2; // a02 | |
1194 | p[9+0] = dzdx2; // a03 | |
1195 | value = z2; | |
1196 | fitter->AddPoint(p,value,sz); | |
1197 | ||
1198 | // dydx2 = (a10 + a11*dydx1 + a12*dzdx1)/( a00 + a01*dydx1 + a02*dzdx1) | |
1199 | // (a10 + a11*dydx1 + a12*dzdx1) - (a00 + a01*dydx1 + a02*dzdx1)*dydx2 = 0 | |
1200 | for (Int_t i=0; i<12;i++) p[i]=0.; | |
1201 | p[3+0] = 1.; // a10 | |
1202 | p[3+1] = dydx1; // a11 | |
1203 | p[3+2] = dzdx1; // a12 | |
1204 | p[0+0] = -dydx2; // a00 | |
1205 | p[0+1] = -dydx1*dydx2; // a01 | |
1206 | p[0+2] = -dzdx1*dydx2; // a02 | |
1207 | value = 0.; | |
1208 | fitter->AddPoint(p,value,sdydx); | |
1209 | ||
1210 | // dzdx2 = (a20 + a21*dydx1 + a22*dzdx1)/( a00 + a01*dydx1 + a02*dzdx1) | |
1211 | // (a20 + a21*dydx1 + a22*dzdx1) - (a00 + a01*dydx1 + a02*dzdx1)*dzdx2 = 0 | |
1212 | for (Int_t i=0; i<12;i++) p[i]=0.; | |
1213 | p[6+0] = 1; // a20 | |
1214 | p[6+1] = dydx1; // a21 | |
1215 | p[6+2] = dzdx1; // a22 | |
1216 | p[0+0] = -dzdx2; // a00 | |
1217 | p[0+1] = -dydx1*dzdx2; // a01 | |
1218 | p[0+2] = -dzdx1*dzdx2; // a02 | |
1219 | value = 0.; | |
1220 | fitter->AddPoint(p,value,sdzdx); | |
1221 | } | |
1222 | ||
1223 | void AliTPCcalibAlign::Process9(Double_t *t1, | |
1224 | Double_t *t2, | |
1225 | TLinearFitter *fitter) { | |
1226 | // x2 = a00*x1 + a01*y1 + a02*z1 + a03 | |
1227 | // y2 = a10*x1 + a11*y1 + a12*z1 + a13 | |
1228 | // z2 = a20*x1 + a21*y1 + a22*z1 + a23 | |
1229 | // dydx2 = (a10 + a11*dydx1 + a12*dzdx1)/(a00 + a01*dydx1 + a02*dzdx1) | |
1230 | // dzdx2 = (a20 + a21*dydx1 + a22*dzdx1)/(a00 + a01*dydx1 + a02*dzdx1) | |
1231 | // | |
f8a2dcfb | 1232 | // a00 a01 a02 a03 1 p[0] p[1] p[6] |
1233 | // a10 a11 a12 a13 ==> p[2] 1 p[3] p[7] | |
1234 | // a20 a21 a21 a23 p[4] p[5] 1 p[8] | |
1235 | ||
1236 | ||
774a5ee9 | 1237 | Double_t &x1=t1[0], &y1=t1[1], &z1=t1[3], &dydx1=t1[2], &dzdx1=t1[4]; |
1238 | Double_t /*&x2=t2[0],*/ &y2=t2[1], &z2=t2[3], &dydx2=t2[2], &dzdx2=t2[4]; | |
1d82fc56 | 1239 | // |
774a5ee9 | 1240 | Double_t sy = TMath::Sqrt(t1[6]*t1[6]+t2[6]*t2[6]); |
1241 | Double_t sdydx = TMath::Sqrt(t1[7]*t1[7]+t2[7]*t2[7]); | |
1242 | Double_t sz = TMath::Sqrt(t1[8]*t1[8]+t2[8]*t2[8]); | |
1243 | Double_t sdzdx = TMath::Sqrt(t1[9]*t1[9]+t2[9]*t2[9]); | |
1244 | ||
f8a2dcfb | 1245 | // |
9318a5b4 | 1246 | Double_t p[12]; |
1247 | Double_t value; | |
1248 | ||
1249 | // x2 = a00*x1 + a01*y1 + a02*z1 + a03 | |
1250 | // y2 = a10*x1 + a11*y1 + a12*z1 + a13 | |
f8a2dcfb | 1251 | // y2' = a10*x1 + a11*y1 + a12*z1 + a13 + (a01*y1 + a02*z1 + a03)*dydx2 |
9318a5b4 | 1252 | for (Int_t i=0; i<12;i++) p[i]=0.; |
f8a2dcfb | 1253 | p[2] += x1; // a10 |
1254 | //p[] +=1; // a11 | |
1255 | p[3] += z1; // a12 | |
1256 | p[7] += 1; // a13 | |
1257 | p[0] += y1*dydx2; // a01 | |
1258 | p[1] += z1*dydx2; // a02 | |
1259 | p[6] += dydx2; // a03 | |
1260 | value = y2-y1; //-a11 | |
9318a5b4 | 1261 | fitter->AddPoint(p,value,sy); |
f8a2dcfb | 1262 | // |
9318a5b4 | 1263 | // x2 = a00*x1 + a01*y1 + a02*z1 + a03 |
1264 | // z2 = a20*x1 + a21*y1 + a22*z1 + a23 | |
f8a2dcfb | 1265 | // z2' = a20*x1 + a21*y1 + a22*z1 + a23 + (a01*y1 + a02*z1 + a03)*dzdx2; |
9318a5b4 | 1266 | for (Int_t i=0; i<12;i++) p[i]=0.; |
f8a2dcfb | 1267 | p[4] += x1; // a20 |
1268 | p[5] += y1; // a21 | |
1269 | //p[] += z1; // a22 | |
1270 | p[8] += 1.; // a23 | |
1271 | p[0] += y1*dzdx2; // a01 | |
1272 | p[1] += z1*dzdx2; // a02 | |
1273 | p[6] += dzdx2; // a03 | |
1274 | value = z2-z1; //-a22 | |
9318a5b4 | 1275 | fitter->AddPoint(p,value,sz); |
1276 | ||
1277 | // dydx2 = (a10 + a11*dydx1 + a12*dzdx1)/( a00 + a01*dydx1 + a02*dzdx1) | |
1278 | // (a10 + a11*dydx1 + a12*dzdx1) - (a00 + a01*dydx1 + a02*dzdx1)*dydx2 = 0 | |
1279 | for (Int_t i=0; i<12;i++) p[i]=0.; | |
f8a2dcfb | 1280 | p[2] += 1.; // a10 |
1281 | //p[] += dydx1; // a11 | |
1282 | p[3] += dzdx1; // a12 | |
1283 | //p[] += -dydx2; // a00 | |
1284 | p[0] += -dydx1*dydx2; // a01 | |
1285 | p[1] += -dzdx1*dydx2; // a02 | |
1286 | value = -dydx1+dydx2; // -a11 + a00 | |
9318a5b4 | 1287 | fitter->AddPoint(p,value,sdydx); |
1288 | ||
1289 | // dzdx2 = (a20 + a21*dydx1 + a22*dzdx1)/( a00 + a01*dydx1 + a02*dzdx1) | |
1290 | // (a20 + a21*dydx1 + a22*dzdx1) - (a00 + a01*dydx1 + a02*dzdx1)*dzdx2 = 0 | |
1291 | for (Int_t i=0; i<12;i++) p[i]=0.; | |
f8a2dcfb | 1292 | p[4] += 1; // a20 |
1293 | p[5] += dydx1; // a21 | |
1294 | //p[] += dzdx1; // a22 | |
1295 | //p[] += -dzdx2; // a00 | |
1296 | p[0] += -dydx1*dzdx2; // a01 | |
1297 | p[1] += -dzdx1*dzdx2; // a02 | |
1298 | value = -dzdx1+dzdx2; // -a22 + a00 | |
9318a5b4 | 1299 | fitter->AddPoint(p,value,sdzdx); |
1300 | } | |
1301 | ||
1302 | void AliTPCcalibAlign::Process6(Double_t *t1, | |
1303 | Double_t *t2, | |
1304 | TLinearFitter *fitter) { | |
1305 | // x2 = 1 *x1 +-a01*y1 + 0 +a03 | |
1306 | // y2 = a01*x1 + 1 *y1 + 0 +a13 | |
1307 | // z2 = a20*x1 + a21*y1 + 1 *z1 +a23 | |
1308 | // dydx2 = (a10 + a11*dydx1 + a12*dzdx1)/(a00 + a01*dydx1 + a02*dzdx1) | |
1309 | // dzdx2 = (a20 + a21*dydx1 + a22*dzdx1)/(a00 + a01*dydx1 + a02*dzdx1) | |
1310 | // | |
f8a2dcfb | 1311 | // a00 a01 a02 a03 1 -p[0] 0 p[3] |
1312 | // a10 a11 a12 a13 ==> p[0] 1 0 p[4] | |
1313 | // a20 a21 a21 a23 p[1] p[2] 1 p[5] | |
1314 | ||
774a5ee9 | 1315 | Double_t &x1=t1[0], &y1=t1[1], &z1=t1[3], &dydx1=t1[2], &dzdx1=t1[4]; |
1316 | Double_t /*&x2=t2[0],*/ &y2=t2[1], &z2=t2[3], &dydx2=t2[2], &dzdx2=t2[4]; | |
9318a5b4 | 1317 | |
1d82fc56 | 1318 | // |
774a5ee9 | 1319 | Double_t sy = TMath::Sqrt(t1[6]*t1[6]+t2[6]*t2[6]); |
1320 | Double_t sdydx = TMath::Sqrt(t1[7]*t1[7]+t2[7]*t2[7]); | |
1321 | Double_t sz = TMath::Sqrt(t1[8]*t1[8]+t2[8]*t2[8]); | |
1322 | Double_t sdzdx = TMath::Sqrt(t1[9]*t1[9]+t2[9]*t2[9]); | |
9318a5b4 | 1323 | |
774a5ee9 | 1324 | |
9318a5b4 | 1325 | Double_t p[12]; |
1326 | Double_t value; | |
f8a2dcfb | 1327 | // x2 = a00*x1 + a01*y1 + a02*z1 + a03 |
1328 | // y2 = a10*x1 + a11*y1 + a12*z1 + a13 | |
9318a5b4 | 1329 | // y2' = a10*x1 + a11*y1 + a12*z1 + a13 + (a01*y1 + a02*z1 + a03)*dydx2 |
1330 | for (Int_t i=0; i<12;i++) p[i]=0.; | |
f8a2dcfb | 1331 | p[0] += x1; // a10 |
1332 | //p[] +=1; // a11 | |
1333 | //p[] += z1; // a12 | |
1334 | p[4] += 1; // a13 | |
1335 | p[0] += -y1*dydx2; // a01 | |
1336 | //p[] += z1*dydx2; // a02 | |
1337 | p[3] += dydx2; // a03 | |
1338 | value = y2-y1; //-a11 | |
9318a5b4 | 1339 | fitter->AddPoint(p,value,sy); |
f8a2dcfb | 1340 | // |
1341 | // x2 = a00*x1 + a01*y1 + a02*z1 + a03 | |
1342 | // z2 = a20*x1 + a21*y1 + a22*z1 + a23 | |
1343 | // z2' = a20*x1 + a21*y1 + a22*z1 + a23 + (a01*y1 + a02*z1 + a03)*dzdx2; | |
9318a5b4 | 1344 | for (Int_t i=0; i<12;i++) p[i]=0.; |
f8a2dcfb | 1345 | p[1] += x1; // a20 |
1346 | p[2] += y1; // a21 | |
1347 | //p[] += z1; // a22 | |
1348 | p[5] += 1.; // a23 | |
1349 | p[0] += -y1*dzdx2; // a01 | |
1350 | //p[] += z1*dzdx2; // a02 | |
1351 | p[3] += dzdx2; // a03 | |
1352 | value = z2-z1; //-a22 | |
9318a5b4 | 1353 | fitter->AddPoint(p,value,sz); |
1354 | ||
1355 | // dydx2 = (a10 + a11*dydx1 + a12*dzdx1)/( a00 + a01*dydx1 + a02*dzdx1) | |
1356 | // (a10 + a11*dydx1 + a12*dzdx1) - (a00 + a01*dydx1 + a02*dzdx1)*dydx2 = 0 | |
1357 | for (Int_t i=0; i<12;i++) p[i]=0.; | |
f8a2dcfb | 1358 | p[0] += 1.; // a10 |
1d82fc56 | 1359 | //p[] += dydx1; // a11 |
f8a2dcfb | 1360 | //p[] += dzdx1; // a12 |
1361 | //p[] += -dydx2; // a00 | |
1d82fc56 | 1362 | //p[0] += dydx1*dydx2; // a01 FIXME- 0912 MI |
f8a2dcfb | 1363 | //p[] += -dzdx1*dydx2; // a02 |
1364 | value = -dydx1+dydx2; // -a11 + a00 | |
9318a5b4 | 1365 | fitter->AddPoint(p,value,sdydx); |
1366 | ||
1367 | // dzdx2 = (a20 + a21*dydx1 + a22*dzdx1)/( a00 + a01*dydx1 + a02*dzdx1) | |
1368 | // (a20 + a21*dydx1 + a22*dzdx1) - (a00 + a01*dydx1 + a02*dzdx1)*dzdx2 = 0 | |
1369 | for (Int_t i=0; i<12;i++) p[i]=0.; | |
f8a2dcfb | 1370 | p[1] += 1; // a20 |
1d82fc56 | 1371 | // p[2] += dydx1; // a21 FIXME- 0912 MI |
f8a2dcfb | 1372 | //p[] += dzdx1; // a22 |
1373 | //p[] += -dzdx2; // a00 | |
1d82fc56 | 1374 | //p[0] += dydx1*dzdx2; // a01 FIXME- 0912 MI |
f8a2dcfb | 1375 | //p[] += -dzdx1*dzdx2; // a02 |
1376 | value = -dzdx1+dzdx2; // -a22 + a00 | |
9318a5b4 | 1377 | fitter->AddPoint(p,value,sdzdx); |
1378 | } | |
1379 | ||
7eaa723e | 1380 | |
1381 | ||
1382 | ||
774a5ee9 | 1383 | void AliTPCcalibAlign::EvalFitters(Int_t minPoints) { |
7eaa723e | 1384 | // |
1385 | // Analyze function | |
1386 | // | |
1387 | // Perform the fitting using linear fitters | |
1388 | // | |
9318a5b4 | 1389 | TLinearFitter *f; |
7eaa723e | 1390 | TFile fff("alignDebug.root","recreate"); |
9318a5b4 | 1391 | for (Int_t s1=0;s1<72;++s1) |
7eaa723e | 1392 | for (Int_t s2=0;s2<72;++s2){ |
774a5ee9 | 1393 | if ((f=GetFitter12(s1,s2))&&fPoints[GetIndex(s1,s2)]>minPoints) { |
e81dc112 | 1394 | // cerr<<s1<<","<<s2<<": "<<fPoints[GetIndex(s1,s2)]<<endl; |
0ebabeb6 | 1395 | if (f->Eval()!=0) { |
9318a5b4 | 1396 | cerr<<"Evaluation failed for "<<s1<<","<<s2<<endl; |
7eaa723e | 1397 | f->Write(Form("f12_%d_%d",s1,s2)); |
1398 | }else{ | |
1399 | f->Write(Form("f12_%d_%d",s1,s2)); | |
9318a5b4 | 1400 | } |
1401 | } | |
774a5ee9 | 1402 | if ((f=GetFitter9(s1,s2))&&fPoints[GetIndex(s1,s2)]>minPoints) { |
e81dc112 | 1403 | // cerr<<s1<<","<<s2<<": "<<fPoints[GetIndex(s1,s2)]<<endl; |
0ebabeb6 | 1404 | if (f->Eval()!=0) { |
7eaa723e | 1405 | cerr<<"Evaluation failed for "<<s1<<","<<s2<<endl; |
1406 | }else{ | |
1407 | f->Write(Form("f9_%d_%d",s1,s2)); | |
1408 | } | |
1409 | } | |
774a5ee9 | 1410 | if ((f=GetFitter6(s1,s2))&&fPoints[GetIndex(s1,s2)]>minPoints) { |
e81dc112 | 1411 | // cerr<<s1<<","<<s2<<": "<<fPoints[GetIndex(s1,s2)]<<endl; |
972cf6f2 | 1412 | if (f->Eval()!=0) { |
7eaa723e | 1413 | cerr<<"Evaluation failed for "<<s1<<","<<s2<<endl; |
1414 | }else{ | |
1415 | f->Write(Form("f6_%d_%d",s1,s2)); | |
1416 | } | |
1417 | } | |
1418 | } | |
6f387311 | 1419 | TMatrixD mat(4,4); |
1420 | for (Int_t s1=0;s1<72;++s1) | |
1421 | for (Int_t s2=0;s2<72;++s2){ | |
1422 | if (GetTransformation12(s1,s2,mat)){ | |
1423 | fMatrixArray12.AddAt(mat.Clone(), GetIndex(s1,s2)); | |
1424 | } | |
1425 | if (GetTransformation9(s1,s2,mat)){ | |
1426 | fMatrixArray9.AddAt(mat.Clone(), GetIndex(s1,s2)); | |
1427 | } | |
1428 | if (GetTransformation6(s1,s2,mat)){ | |
1429 | fMatrixArray6.AddAt(mat.Clone(), GetIndex(s1,s2)); | |
1430 | } | |
9318a5b4 | 1431 | } |
6f387311 | 1432 | //this->Write("align"); |
1433 | ||
9318a5b4 | 1434 | } |
1435 | ||
972cf6f2 | 1436 | TLinearFitter* AliTPCcalibAlign::GetOrMakeFitter12(Int_t s1,Int_t s2) { |
1437 | // | |
1438 | // get or make fitter - general linear transformation | |
1439 | // | |
e81dc112 | 1440 | static Int_t counter12=0; |
1441 | static TF1 f12("f12","x[0]++x[1]++x[2]++x[3]++x[4]++x[5]++x[6]++x[7]++x[8]++x[9]++x[10]++x[11]"); | |
972cf6f2 | 1442 | TLinearFitter * fitter = GetFitter12(s1,s2); |
1443 | if (fitter) return fitter; | |
e81dc112 | 1444 | // fitter =new TLinearFitter(12,"x[0]++x[1]++x[2]++x[3]++x[4]++x[5]++x[6]++x[7]++x[8]++x[9]++x[10]++x[11]"); |
1445 | fitter =new TLinearFitter(&f12,""); | |
6f387311 | 1446 | fitter->StoreData(kFALSE); |
e81dc112 | 1447 | fFitterArray12.AddAt(fitter,GetIndex(s1,s2)); |
1448 | counter12++; | |
1449 | if (GetDebugLevel()>0) cerr<<"Creating fitter12 "<<s1<<","<<s2<<" : "<<counter12<<endl; | |
972cf6f2 | 1450 | return fitter; |
1451 | } | |
1452 | ||
1453 | TLinearFitter* AliTPCcalibAlign::GetOrMakeFitter9(Int_t s1,Int_t s2) { | |
1454 | // | |
1455 | //get or make fitter - general linear transformation - no scaling | |
1456 | // | |
e81dc112 | 1457 | static Int_t counter9=0; |
1458 | static TF1 f9("f9","x[0]++x[1]++x[2]++x[3]++x[4]++x[5]++x[6]++x[7]++x[8]"); | |
972cf6f2 | 1459 | TLinearFitter * fitter = GetFitter9(s1,s2); |
1460 | if (fitter) return fitter; | |
e81dc112 | 1461 | // fitter =new TLinearFitter(9,"x[0]++x[1]++x[2]++x[3]++x[4]++x[5]++x[6]++x[7]++x[8]"); |
1462 | fitter =new TLinearFitter(&f9,""); | |
6f387311 | 1463 | fitter->StoreData(kFALSE); |
972cf6f2 | 1464 | fFitterArray9.AddAt(fitter,GetIndex(s1,s2)); |
e81dc112 | 1465 | counter9++; |
1466 | if (GetDebugLevel()>0) cerr<<"Creating fitter12 "<<s1<<","<<s2<<" : "<<counter9<<endl; | |
972cf6f2 | 1467 | return fitter; |
1468 | } | |
1469 | ||
1470 | TLinearFitter* AliTPCcalibAlign::GetOrMakeFitter6(Int_t s1,Int_t s2) { | |
1471 | // | |
1472 | // get or make fitter - 6 paramater linear tranformation | |
1473 | // - no scaling | |
1474 | // - rotation x-y | |
1475 | // - tilting x-z, y-z | |
e81dc112 | 1476 | static Int_t counter6=0; |
1477 | static TF1 f6("f6","x[0]++x[1]++x[2]++x[3]++x[4]++x[5]"); | |
972cf6f2 | 1478 | TLinearFitter * fitter = GetFitter6(s1,s2); |
1479 | if (fitter) return fitter; | |
e81dc112 | 1480 | // fitter=new TLinearFitter(6,"x[0]++x[1]++x[2]++x[3]++x[4]++x[5]"); |
1481 | fitter=new TLinearFitter(&f6,""); | |
4de48bc7 | 1482 | fitter->StoreData(kFALSE); |
972cf6f2 | 1483 | fFitterArray6.AddAt(fitter,GetIndex(s1,s2)); |
e81dc112 | 1484 | counter6++; |
1485 | if (GetDebugLevel()>0) cerr<<"Creating fitter6 "<<s1<<","<<s2<<" : "<<counter6<<endl; | |
972cf6f2 | 1486 | return fitter; |
1487 | } | |
1488 | ||
1489 | ||
1490 | ||
1491 | ||
1492 | ||
9318a5b4 | 1493 | Bool_t AliTPCcalibAlign::GetTransformation12(Int_t s1,Int_t s2,TMatrixD &a) { |
972cf6f2 | 1494 | // |
1495 | // GetTransformation matrix - 12 paramaters - generael linear transformation | |
1496 | // | |
9318a5b4 | 1497 | if (!GetFitter12(s1,s2)) |
1498 | return false; | |
1499 | else { | |
1500 | TVectorD p(12); | |
9318a5b4 | 1501 | GetFitter12(s1,s2)->GetParameters(p); |
9318a5b4 | 1502 | a.ResizeTo(4,4); |
972cf6f2 | 1503 | a[0][0]=p[0]; a[0][1]=p[1]; a[0][2]=p[2]; a[0][3]=p[9]; |
1504 | a[1][0]=p[3]; a[1][1]=p[4]; a[1][2]=p[5]; a[1][3]=p[10]; | |
1505 | a[2][0]=p[6]; a[2][1]=p[7]; a[2][2]=p[8]; a[2][3]=p[11]; | |
1506 | a[3][0]=0.; a[3][1]=0.; a[3][2]=0.; a[3][3]=1.; | |
9318a5b4 | 1507 | return true; |
1508 | } | |
1509 | } | |
1510 | ||
1511 | Bool_t AliTPCcalibAlign::GetTransformation9(Int_t s1,Int_t s2,TMatrixD &a) { | |
972cf6f2 | 1512 | // |
1513 | // GetTransformation matrix - 9 paramaters - general linear transformation | |
1514 | // No scaling | |
1515 | // | |
9318a5b4 | 1516 | if (!GetFitter9(s1,s2)) |
1517 | return false; | |
1518 | else { | |
1519 | TVectorD p(9); | |
1520 | GetFitter9(s1,s2)->GetParameters(p); | |
1521 | a.ResizeTo(4,4); | |
f8a2dcfb | 1522 | a[0][0]=1; a[0][1]=p[0]; a[0][2]=p[1]; a[0][3]=p[6]; |
1523 | a[1][0]=p[2]; a[1][1]=1; a[1][2]=p[3]; a[1][3]=p[7]; | |
1524 | a[2][0]=p[4]; a[2][1]=p[5]; a[2][2]=1; a[2][3]=p[8]; | |
972cf6f2 | 1525 | a[3][0]=0.; a[3][1]=0.; a[3][2]=0.; a[3][3]=1.; |
9318a5b4 | 1526 | return true; |
1527 | } | |
1528 | } | |
1529 | ||
1530 | Bool_t AliTPCcalibAlign::GetTransformation6(Int_t s1,Int_t s2,TMatrixD &a) { | |
972cf6f2 | 1531 | // |
1532 | // GetTransformation matrix - 6 paramaters | |
1533 | // 3 translation | |
1534 | // 1 rotation -x-y | |
1535 | // 2 tilting x-z y-z | |
9318a5b4 | 1536 | if (!GetFitter6(s1,s2)) |
1537 | return false; | |
1538 | else { | |
1539 | TVectorD p(6); | |
9318a5b4 | 1540 | GetFitter6(s1,s2)->GetParameters(p); |
9318a5b4 | 1541 | a.ResizeTo(4,4); |
f8a2dcfb | 1542 | a[0][0]=1; a[0][1]=-p[0];a[0][2]=0; a[0][3]=p[3]; |
1543 | a[1][0]=p[0]; a[1][1]=1; a[1][2]=0; a[1][3]=p[4]; | |
1544 | a[2][0]=p[1]; a[2][1]=p[2]; a[2][2]=1; a[2][3]=p[5]; | |
972cf6f2 | 1545 | a[3][0]=0.; a[3][1]=0.; a[3][2]=0.; a[3][3]=1.; |
9318a5b4 | 1546 | return true; |
1547 | } | |
1548 | } | |
972cf6f2 | 1549 | |
774a5ee9 | 1550 | void AliTPCcalibAlign::FillHisto(const Double_t *t1, |
1551 | const Double_t *t2, | |
1552 | Int_t s1,Int_t s2) { | |
972cf6f2 | 1553 | // |
1554 | // Fill residual histograms | |
4de48bc7 | 1555 | // Track2-Track1 |
8b3c60d8 | 1556 | // Innner-Outer |
1557 | // Left right - x-y | |
1558 | // A-C side | |
774a5ee9 | 1559 | if (1) { |
1560 | Double_t dy = t2[1]-t1[1]; | |
1561 | Double_t dphi = t2[2]-t1[2]; | |
1562 | Double_t dz = t2[3]-t1[3]; | |
1563 | Double_t dtheta = t2[4]-t1[4]; | |
1564 | Double_t zmean = (t2[3]+t1[3])*0.5; | |
bb6bc8f6 | 1565 | // |
774a5ee9 | 1566 | GetHisto(kPhi,s1,s2,kTRUE)->Fill(dphi); |
1567 | GetHisto(kTheta,s1,s2,kTRUE)->Fill(dtheta); | |
1568 | GetHisto(kY,s1,s2,kTRUE)->Fill(dy); | |
1569 | GetHisto(kZ,s1,s2,kTRUE)->Fill(dz); | |
bb6bc8f6 | 1570 | // |
774a5ee9 | 1571 | GetHisto(kPhiZ,s1,s2,kTRUE)->Fill(zmean,dphi); |
1572 | GetHisto(kThetaZ,s1,s2,kTRUE)->Fill(zmean,dtheta); | |
1573 | GetHisto(kYz,s1,s2,kTRUE)->Fill(zmean,dy); | |
1574 | GetHisto(kZz,s1,s2,kTRUE)->Fill(zmean,dz); | |
1575 | // | |
1576 | GetHisto(kYPhi,s1,s2,kTRUE)->Fill(t2[2],dy); | |
1577 | GetHisto(kZTheta,s1,s2,kTRUE)->Fill(t2[4],dz); | |
1578 | } | |
972cf6f2 | 1579 | } |
1580 | ||
1581 | ||
1582 | ||
1583 | TH1 * AliTPCcalibAlign::GetHisto(HistoType type, Int_t s1, Int_t s2, Bool_t force) | |
1584 | { | |
1585 | // | |
1586 | // return specified residual histogram - it is only QA | |
1587 | // if force specified the histogram and given histogram is not existing | |
1588 | // new histogram is created | |
1589 | // | |
1590 | if (GetIndex(s1,s2)>=72*72) return 0; | |
1591 | TObjArray *histoArray=0; | |
1592 | switch (type) { | |
1593 | case kY: | |
1594 | histoArray = &fDyHistArray; break; | |
1595 | case kZ: | |
1596 | histoArray = &fDzHistArray; break; | |
1597 | case kPhi: | |
1598 | histoArray = &fDphiHistArray; break; | |
1599 | case kTheta: | |
1600 | histoArray = &fDthetaHistArray; break; | |
bb6bc8f6 | 1601 | case kYPhi: |
1602 | histoArray = &fDyPhiHistArray; break; | |
1603 | case kZTheta: | |
1604 | histoArray = &fDzThetaHistArray; break; | |
1605 | case kYz: | |
1606 | histoArray = &fDyZHistArray; break; | |
1607 | case kZz: | |
1608 | histoArray = &fDzZHistArray; break; | |
1609 | case kPhiZ: | |
1610 | histoArray = &fDphiZHistArray; break; | |
1611 | case kThetaZ: | |
1612 | histoArray = &fDthetaZHistArray; break; | |
972cf6f2 | 1613 | } |
1614 | TH1 * histo= (TH1*)histoArray->At(GetIndex(s1,s2)); | |
1615 | if (histo) return histo; | |
1616 | if (force==kFALSE) return 0; | |
1617 | // | |
1618 | stringstream name; | |
1619 | stringstream title; | |
1620 | switch (type) { | |
1621 | case kY: | |
1622 | name<<"hist_y_"<<s1<<"_"<<s2; | |
1623 | title<<"Y Missalignment for sectors "<<s1<<" and "<<s2; | |
774a5ee9 | 1624 | histo =new TH1D(name.str().c_str(),title.str().c_str(),100,-0.5,0.5); // +/- 5 mm |
972cf6f2 | 1625 | break; |
1626 | case kZ: | |
1627 | name<<"hist_z_"<<s1<<"_"<<s2; | |
1628 | title<<"Z Missalignment for sectors "<<s1<<" and "<<s2; | |
774a5ee9 | 1629 | histo = new TH1D(name.str().c_str(),title.str().c_str(),100,-0.3,0.3); // +/- 3 mm |
972cf6f2 | 1630 | break; |
1631 | case kPhi: | |
1632 | name<<"hist_phi_"<<s1<<"_"<<s2; | |
1633 | title<<"Phi Missalignment for sectors "<<s1<<" and "<<s2; | |
774a5ee9 | 1634 | histo =new TH1D(name.str().c_str(),title.str().c_str(),100,-0.01,0.01); // +/- 10 mrad |
972cf6f2 | 1635 | break; |
1636 | case kTheta: | |
1637 | name<<"hist_theta_"<<s1<<"_"<<s2; | |
1638 | title<<"Theta Missalignment for sectors "<<s1<<" and "<<s2; | |
774a5ee9 | 1639 | histo =new TH1D(name.str().c_str(),title.str().c_str(),100,-0.01,0.01); // +/- 10 mrad |
972cf6f2 | 1640 | break; |
bb6bc8f6 | 1641 | // |
1642 | // | |
1643 | case kYPhi: | |
1644 | name<<"hist_yphi_"<<s1<<"_"<<s2; | |
1645 | title<<"Y Missalignment for sectors Phi"<<s1<<" and "<<s2; | |
774a5ee9 | 1646 | histo =new TH2F(name.str().c_str(),title.str().c_str(),20,-1,1,100,-0.5,0.5); // +/- 5 mm |
bb6bc8f6 | 1647 | break; |
1648 | case kZTheta: | |
1649 | name<<"hist_ztheta_"<<s1<<"_"<<s2; | |
1650 | title<<"Z Missalignment for sectors Theta"<<s1<<" and "<<s2; | |
774a5ee9 | 1651 | histo = new TH2F(name.str().c_str(),title.str().c_str(),20,-1,1,100,-0.3,0.3); // +/- 3 mm |
bb6bc8f6 | 1652 | break; |
1653 | // | |
1654 | // | |
1655 | // | |
1656 | case kYz: | |
1657 | name<<"hist_yz_"<<s1<<"_"<<s2; | |
1658 | title<<"Y Missalignment for sectors Z"<<s1<<" and "<<s2; | |
774a5ee9 | 1659 | histo =new TH2F(name.str().c_str(),title.str().c_str(),20,-250,250,100,-0.5,0.5); // +/- 5 mm |
bb6bc8f6 | 1660 | break; |
1661 | case kZz: | |
1662 | name<<"hist_zz_"<<s1<<"_"<<s2; | |
1663 | title<<"Z Missalignment for sectors Z"<<s1<<" and "<<s2; | |
774a5ee9 | 1664 | histo = new TH2F(name.str().c_str(),title.str().c_str(),20,-250,250,100,-0.3,0.3); // +/- 3 mm |
bb6bc8f6 | 1665 | break; |
1666 | case kPhiZ: | |
1667 | name<<"hist_phiz_"<<s1<<"_"<<s2; | |
1668 | title<<"Phi Missalignment for sectors Z"<<s1<<" and "<<s2; | |
774a5ee9 | 1669 | histo =new TH2F(name.str().c_str(),title.str().c_str(),20,-250,250,100,-0.01,0.01); // +/- 10 mrad |
bb6bc8f6 | 1670 | break; |
1671 | case kThetaZ: | |
1672 | name<<"hist_thetaz_"<<s1<<"_"<<s2; | |
1673 | title<<"Theta Missalignment for sectors Z"<<s1<<" and "<<s2; | |
774a5ee9 | 1674 | histo =new TH2F(name.str().c_str(),title.str().c_str(),20,-250,250,100,-0.01,0.01); // +/- 10 mrad |
bb6bc8f6 | 1675 | break; |
1676 | ||
1677 | ||
972cf6f2 | 1678 | } |
1679 | histo->SetDirectory(0); | |
1680 | histoArray->AddAt(histo,GetIndex(s1,s2)); | |
1681 | return histo; | |
1682 | } | |
8b3c60d8 | 1683 | |
1684 | TGraphErrors * AliTPCcalibAlign::MakeGraph(Int_t sec0, Int_t sec1, Int_t dsec, | |
1685 | Int_t i0, Int_t i1, FitType type) | |
1686 | { | |
1687 | // | |
1688 | // | |
1689 | // | |
1690 | TMatrixD mat; | |
6a77c9f1 | 1691 | //TObjArray *fitArray=0; |
8b3c60d8 | 1692 | Double_t xsec[1000]; |
1693 | Double_t ysec[1000]; | |
1694 | Int_t npoints=0; | |
1695 | for (Int_t isec = sec0; isec<=sec1; isec++){ | |
1696 | Int_t isec2 = (isec+dsec)%72; | |
1697 | switch (type) { | |
1698 | case k6: | |
1699 | GetTransformation6(isec,isec2,mat);break; | |
1700 | case k9: | |
1701 | GetTransformation9(isec,isec2,mat);break; | |
1702 | case k12: | |
1703 | GetTransformation12(isec,isec2,mat);break; | |
1704 | } | |
1705 | xsec[npoints]=isec; | |
1706 | ysec[npoints]=mat(i0,i1); | |
1707 | ++npoints; | |
1708 | } | |
1709 | TGraphErrors *gr = new TGraphErrors(npoints,xsec,ysec,0,0); | |
1710 | Char_t name[1000]; | |
1711 | sprintf(name,"Mat[%d,%d] Type=%d",i0,i1,type); | |
1712 | gr->SetName(name); | |
1713 | return gr; | |
1714 | } | |
1715 | ||
774a5ee9 | 1716 | void AliTPCcalibAlign::MakeTree(const char *fname, Int_t minPoints){ |
8b3c60d8 | 1717 | // |
1718 | // make tree with alignment cosntant - | |
1719 | // For QA visualization | |
1720 | // | |
ae0ac7be | 1721 | /* |
774a5ee9 | 1722 | TFile fcalib("CalibObjects.root"); |
1723 | TObjArray * array = (TObjArray*)fcalib.Get("TPCCalib"); | |
1724 | AliTPCcalibAlign * align = ( AliTPCcalibAlign *)array->FindObject("alignTPC"); | |
1725 | align->EvalFitters(); | |
1726 | align->MakeTree("alignTree.root"); | |
1727 | TFile falignTree("alignTree.root"); | |
1728 | TTree * treeAlign = (TTree*)falignTree.Get("Align"); | |
ae0ac7be | 1729 | */ |
8b3c60d8 | 1730 | TTreeSRedirector cstream(fname); |
1731 | for (Int_t s1=0;s1<72;++s1) | |
1732 | for (Int_t s2=0;s2<72;++s2){ | |
8b3c60d8 | 1733 | TMatrixD m6; |
1d82fc56 | 1734 | TMatrixD m6FX; |
8b3c60d8 | 1735 | TMatrixD m9; |
1736 | TMatrixD m12; | |
774a5ee9 | 1737 | TVectorD param6Diff; // align parameters diff |
1738 | TVectorD param6s1(6); // align parameters sector1 | |
1739 | TVectorD param6s2(6); // align parameters sector2 | |
1740 | ||
1741 | // | |
1742 | // | |
1743 | TMatrixD * kpar = fSectorParamA; | |
1744 | TMatrixD * kcov = fSectorCovarA; | |
1745 | if (s1%36>=18){ | |
1746 | kpar = fSectorParamC; | |
1747 | kcov = fSectorCovarC; | |
1748 | } | |
1749 | for (Int_t ipar=0;ipar<6;ipar++){ | |
1750 | Int_t isec1 = s1%18; | |
1751 | Int_t isec2 = s2%18; | |
1752 | if (s1>35) isec1+=18; | |
1753 | if (s2>35) isec2+=18; | |
1754 | param6s1(ipar)=(*kpar)(6*isec1+ipar,0); | |
1755 | param6s2(ipar)=(*kpar)(6*isec2+ipar,0); | |
1756 | } | |
1757 | ||
1758 | ||
8b3c60d8 | 1759 | Double_t dy=0, dz=0, dphi=0,dtheta=0; |
1760 | Double_t sy=0, sz=0, sphi=0,stheta=0; | |
1761 | Double_t ny=0, nz=0, nphi=0,ntheta=0; | |
6f387311 | 1762 | Double_t chi2v12=0, chi2v9=0, chi2v6=0; |
1763 | Int_t npoints=0; | |
1d82fc56 | 1764 | TLinearFitter * fitter = 0; |
774a5ee9 | 1765 | if (fPoints[GetIndex(s1,s2)]>minPoints){ |
6f387311 | 1766 | // |
1767 | // | |
1768 | // | |
6f387311 | 1769 | fitter = GetFitter12(s1,s2); |
1770 | npoints = fitter->GetNpoints(); | |
1771 | chi2v12 = TMath::Sqrt(fitter->GetChisquare()/npoints); | |
774a5ee9 | 1772 | |
6f387311 | 1773 | // |
1774 | fitter = GetFitter9(s1,s2); | |
1775 | npoints = fitter->GetNpoints(); | |
1776 | chi2v9 = TMath::Sqrt(fitter->GetChisquare()/npoints); | |
1777 | // | |
1778 | fitter = GetFitter6(s1,s2); | |
1779 | npoints = fitter->GetNpoints(); | |
1780 | chi2v6 = TMath::Sqrt(fitter->GetChisquare()/npoints); | |
774a5ee9 | 1781 | fitter->GetParameters(param6Diff); |
1d82fc56 | 1782 | // |
6f387311 | 1783 | GetTransformation6(s1,s2,m6); |
1784 | GetTransformation9(s1,s2,m9); | |
1785 | GetTransformation12(s1,s2,m12); | |
1d82fc56 | 1786 | // |
1787 | fitter = GetFitter6(s1,s2); | |
774a5ee9 | 1788 | //fitter->FixParameter(3,0); |
1789 | //fitter->Eval(); | |
1d82fc56 | 1790 | GetTransformation6(s1,s2,m6FX); |
1791 | // | |
6f387311 | 1792 | TH1 * his=0; |
1793 | his = GetHisto(kY,s1,s2); | |
1794 | if (his) { dy = his->GetMean(); sy = his->GetRMS(); ny = his->GetEntries();} | |
1795 | his = GetHisto(kZ,s1,s2); | |
1796 | if (his) { dz = his->GetMean(); sz = his->GetRMS(); nz = his->GetEntries();} | |
1797 | his = GetHisto(kPhi,s1,s2); | |
1798 | if (his) { dphi = his->GetMean(); sphi = his->GetRMS(); nphi = his->GetEntries();} | |
1799 | his = GetHisto(kTheta,s1,s2); | |
1800 | if (his) { dtheta = his->GetMean(); stheta = his->GetRMS(); ntheta = his->GetEntries();} | |
1801 | // | |
1d82fc56 | 1802 | |
6f387311 | 1803 | } |
1804 | ||
1805 | // x2 = a00*x1 + a01*y1 + a02*z1 + a03 | |
1806 | // y2 = a10*x1 + a11*y1 + a12*z1 + a13 | |
1807 | // z2 = a20*x1 + a21*y1 + a22*z1 + a23 | |
1808 | // dydx2 = (a10 + a11*dydx1 + a12*dzdx1)/(a00 + a01*dydx1 + a02*dzdx1) | |
1809 | // dzdx2 = (a20 + a21*dydx1 + a22*dzdx1)/(a00 + a01*dydx1 + a02*dzdx1) | |
1810 | // | |
1811 | // a00 a01 a02 a03 p[0] p[1] p[2] p[9] | |
1812 | // a10 a11 a12 a13 ==> p[3] p[4] p[5] p[10] | |
1813 | // a20 a21 a22 a23 p[6] p[7] p[8] p[11] | |
1814 | ||
1815 | // | |
1816 | // | |
774a5ee9 | 1817 | // dy:-(fXIO*m6.fElements[4]+m6.fElements[7]) |
6f387311 | 1818 | // |
1819 | // dphi:-(m6.fElements[4]) | |
1820 | // | |
774a5ee9 | 1821 | // dz:fXIO*m6.fElements[8]+m6.fElements[11] |
6f387311 | 1822 | // |
1823 | // dtheta:m6.fElements[8] | |
8b3c60d8 | 1824 | // |
1825 | cstream<<"Align"<< | |
1826 | "s1="<<s1<< // reference sector | |
1827 | "s2="<<s2<< // sector to align | |
1d82fc56 | 1828 | "m6FX.="<<&m6FX<< // tranformation matrix |
8b3c60d8 | 1829 | "m6.="<<&m6<< // tranformation matrix |
1830 | "m9.="<<&m9<< // | |
1831 | "m12.="<<&m12<< | |
6f387311 | 1832 | "chi2v12="<<chi2v12<< |
1833 | "chi2v9="<<chi2v9<< | |
1834 | "chi2v6="<<chi2v6<< | |
774a5ee9 | 1835 | // |
1836 | "p6.="<<¶m6Diff<< | |
1837 | "p6s1.="<<¶m6s1<< | |
1838 | "p6s2.="<<¶m6s2<< | |
967eae0d | 1839 | // histograms mean RMS and entries |
1840 | "dy="<<dy<< | |
8b3c60d8 | 1841 | "sy="<<sy<< |
1842 | "ny="<<ny<< | |
1843 | "dz="<<dz<< | |
1844 | "sz="<<sz<< | |
1845 | "nz="<<nz<< | |
1846 | "dphi="<<dphi<< | |
1847 | "sphi="<<sphi<< | |
1848 | "nphi="<<nphi<< | |
1849 | "dtheta="<<dtheta<< | |
1850 | "stheta="<<stheta<< | |
1851 | "ntheta="<<ntheta<< | |
1852 | "\n"; | |
1853 | } | |
1854 | ||
1855 | } | |
ae0ac7be | 1856 | |
1857 | ||
1858 | //_____________________________________________________________________ | |
1859 | Long64_t AliTPCcalibAlign::Merge(TCollection* list) { | |
1860 | // | |
1861 | // merge function | |
1862 | // | |
1863 | if (GetDebugLevel()>0) Info("AliTPCcalibAlign","Merge"); | |
1864 | if (!list) | |
1865 | return 0; | |
1866 | if (list->IsEmpty()) | |
1867 | return 1; | |
1868 | ||
1869 | TIterator* iter = list->MakeIterator(); | |
1870 | TObject* obj = 0; | |
1871 | iter->Reset(); | |
1872 | Int_t count=0; | |
6f387311 | 1873 | // |
1874 | TString str1(GetName()); | |
ae0ac7be | 1875 | while((obj = iter->Next()) != 0) |
1876 | { | |
1877 | AliTPCcalibAlign* entry = dynamic_cast<AliTPCcalibAlign*>(obj); | |
1878 | if (entry == 0) continue; | |
6f387311 | 1879 | if (str1.CompareTo(entry->GetName())!=0) continue; |
ae0ac7be | 1880 | Add(entry); |
1881 | count++; | |
1882 | } | |
1883 | return count; | |
1884 | } | |
1885 | ||
1886 | ||
1887 | void AliTPCcalibAlign::Add(AliTPCcalibAlign * align){ | |
1888 | // | |
bb6bc8f6 | 1889 | // Add entry - used for merging of compoents |
ae0ac7be | 1890 | // |
ae0ac7be | 1891 | for (Int_t i=0; i<72;i++){ |
1892 | for (Int_t j=0; j<72;j++){ | |
774a5ee9 | 1893 | if (align->fPoints[GetIndex(i,j)]<1) continue; |
ae0ac7be | 1894 | fPoints[GetIndex(i,j)]+=align->fPoints[GetIndex(i,j)]; |
ae0ac7be | 1895 | // |
ae0ac7be | 1896 | // |
ae0ac7be | 1897 | // |
bb6bc8f6 | 1898 | for (Int_t itype=0; itype<10; itype++){ |
1899 | TH1 * his0=0, *his1=0; | |
1900 | his0 = GetHisto((HistoType)itype,i,j); | |
1901 | his1 = align->GetHisto((HistoType)itype,i,j); | |
1902 | if (his1){ | |
1903 | if (his0) his0->Add(his1); | |
1904 | else { | |
774a5ee9 | 1905 | his0 = GetHisto((HistoType)itype,i,j,kTRUE); |
bb6bc8f6 | 1906 | his0->Add(his1); |
1907 | } | |
1908 | } | |
6f387311 | 1909 | } |
ae0ac7be | 1910 | } |
1911 | } | |
1912 | TLinearFitter *f0=0; | |
1913 | TLinearFitter *f1=0; | |
1914 | for (Int_t i=0; i<72;i++){ | |
6f387311 | 1915 | for (Int_t j=0; j<72;j++){ |
774a5ee9 | 1916 | if (align->fPoints[GetIndex(i,j)]<1) continue; |
6f387311 | 1917 | // |
ae0ac7be | 1918 | // |
1919 | // fitter12 | |
1920 | f0 = GetFitter12(i,j); | |
bb6bc8f6 | 1921 | f1 = align->GetFitter12(i,j); |
774a5ee9 | 1922 | if (f1){ |
1923 | if (f0) f0->Add(f1); | |
ae0ac7be | 1924 | else { |
6f387311 | 1925 | fFitterArray12.AddAt(f1->Clone(),GetIndex(i,j)); |
ae0ac7be | 1926 | } |
1927 | } | |
1928 | // | |
1929 | // fitter9 | |
1930 | f0 = GetFitter9(i,j); | |
bb6bc8f6 | 1931 | f1 = align->GetFitter9(i,j); |
774a5ee9 | 1932 | if (f1){ |
1933 | if (f0) f0->Add(f1); | |
6f387311 | 1934 | else { |
1935 | fFitterArray9.AddAt(f1->Clone(),GetIndex(i,j)); | |
ae0ac7be | 1936 | } |
1937 | } | |
1938 | f0 = GetFitter6(i,j); | |
bb6bc8f6 | 1939 | f1 = align->GetFitter6(i,j); |
774a5ee9 | 1940 | if (f1){ |
1941 | if (f0) f0->Add(f1); | |
ae0ac7be | 1942 | else { |
6f387311 | 1943 | fFitterArray6.AddAt(f1->Clone(),GetIndex(i,j)); |
ae0ac7be | 1944 | } |
1945 | } | |
1946 | } | |
1947 | } | |
774a5ee9 | 1948 | // |
1949 | // Add Kalman filter | |
1950 | // | |
1951 | for (Int_t i=0;i<36;i++){ | |
1952 | TMatrixD *par0 = (TMatrixD*)fArraySectorIntParam.At(i); | |
1953 | if (!par0){ | |
1954 | MakeSectorKalman(); | |
1955 | par0 = (TMatrixD*)fArraySectorIntParam.At(i); | |
1956 | } | |
1957 | TMatrixD *par1 = (TMatrixD*)align->fArraySectorIntParam.At(i); | |
1958 | if (!par1) continue; | |
1959 | // | |
1960 | TMatrixD *cov0 = (TMatrixD*)fArraySectorIntCovar.At(i); | |
1961 | TMatrixD *cov1 = (TMatrixD*)align->fArraySectorIntCovar.At(i); | |
1962 | UpdateSectorKalman(*par0,*cov0,*par1,*cov1); | |
1963 | } | |
1964 | if (!fSectorParamA){ | |
1965 | MakeKalman(); | |
1966 | } | |
1967 | if (align->fSectorParamA){ | |
1968 | UpdateKalman(*fSectorParamA,*fSectorCovarA,*align->fSectorParamA,*align->fSectorCovarA); | |
1969 | UpdateKalman(*fSectorParamC,*fSectorCovarC,*align->fSectorParamC,*align->fSectorCovarC); | |
1970 | } | |
ae0ac7be | 1971 | } |
108953e9 | 1972 | |
6f387311 | 1973 | Double_t AliTPCcalibAlign::Correct(Int_t type, Int_t value, Int_t s1, Int_t s2, Double_t x1, Double_t y1, Double_t z1, Double_t dydx1,Double_t dzdx1){ |
1974 | // | |
1975 | // GetTransformed value | |
1976 | // | |
1977 | // | |
1978 | // x2 = a00*x1 + a01*y1 + a02*z1 + a03 | |
1979 | // y2 = a10*x1 + a11*y1 + a12*z1 + a13 | |
1980 | // z2 = a20*x1 + a21*y1 + a22*z1 + a23 | |
1981 | // dydx2 = (a10 + a11*dydx1 + a12*dzdx1)/(a00 + a01*dydx1 + a02*dzdx1) | |
1982 | // dzdx2 = (a20 + a21*dydx1 + a22*dzdx1)/(a00 + a01*dydx1 + a02*dzdx1) | |
1983 | ||
1984 | ||
1985 | const TMatrixD * mat = GetTransformation(s1,s2,type); | |
1986 | if (!mat) { | |
1987 | if (value==0) return x1; | |
1988 | if (value==1) return y1; | |
1989 | if (value==2) return z1; | |
1990 | if (value==3) return dydx1; | |
1991 | if (value==4) return dzdx1; | |
1992 | // | |
1993 | if (value==5) return dydx1; | |
1994 | if (value==6) return dzdx1; | |
1995 | return 0; | |
1996 | } | |
1997 | Double_t valT=0; | |
108953e9 | 1998 | |
6f387311 | 1999 | if (value==0){ |
2000 | valT = (*mat)(0,0)*x1+(*mat)(0,1)*y1+(*mat)(0,2)*z1+(*mat)(0,3); | |
2001 | } | |
2002 | ||
2003 | if (value==1){ | |
2004 | valT = (*mat)(1,0)*x1+(*mat)(1,1)*y1+(*mat)(1,2)*z1+(*mat)(1,3); | |
2005 | } | |
2006 | if (value==2){ | |
2007 | valT = (*mat)(2,0)*x1+(*mat)(2,1)*y1+(*mat)(2,2)*z1+(*mat)(2,3); | |
2008 | } | |
2009 | if (value==3){ | |
2010 | // dydx2 = (a10 + a11*dydx1 + a12*dzdx1)/(a00 + a01*dydx1 + a02*dzdx1) | |
2011 | valT = (*mat)(1,0) +(*mat)(1,1)*dydx1 +(*mat)(1,2)*dzdx1; | |
2012 | valT/= ((*mat)(0,0) +(*mat)(0,1)*dydx1 +(*mat)(0,2)*dzdx1); | |
2013 | } | |
2014 | ||
2015 | if (value==4){ | |
2016 | // dzdx2 = (a20 + a21*dydx1 + a22*dzdx1)/(a00 + a01*dydx1 + a02*dzdx1) | |
2017 | valT = (*mat)(2,0) +(*mat)(2,1)*dydx1 +(*mat)(2,2)*dzdx1; | |
2018 | valT/= ((*mat)(0,0) +(*mat)(0,1)*dydx1 +(*mat)(0,2)*dzdx1); | |
2019 | } | |
2020 | // | |
2021 | if (value==5){ | |
2022 | // onlys shift in angle | |
2023 | // dydx2 = (a10 + a11*dydx1 + a12*dzdx1)/(a00 + a01*dydx1 + a02*dzdx1) | |
2024 | valT = (*mat)(1,0) +(*mat)(1,1)*dydx1; | |
2025 | } | |
2026 | ||
2027 | if (value==6){ | |
2028 | // only shift in angle | |
2029 | // dzdx2 = (a20 + a21*dydx1 + a22*dzdx1)/(a00 + a01*dydx1 + a02*dzdx1) | |
2030 | valT = (*mat)(2,0) +(*mat)(2,1)*dydx1; | |
2031 | } | |
2032 | // | |
2033 | return valT; | |
2034 | } | |
108953e9 | 2035 | |
2036 | ||
1d82fc56 | 2037 | void AliTPCcalibAlign::Constrain1Pt(AliExternalTrackParam &track1, const AliExternalTrackParam &track2, Bool_t noField){ |
2038 | // | |
2039 | // Update track parameters t1 | |
2040 | // | |
2041 | TMatrixD vecXk(5,1); // X vector | |
2042 | TMatrixD covXk(5,5); // X covariance | |
2043 | TMatrixD matHk(1,5); // vector to mesurement | |
2044 | TMatrixD measR(1,1); // measurement error | |
2045 | //TMatrixD matQk(5,5); // prediction noise vector | |
2046 | TMatrixD vecZk(1,1); // measurement | |
2047 | // | |
2048 | TMatrixD vecYk(1,1); // Innovation or measurement residual | |
2049 | TMatrixD matHkT(5,1); | |
2050 | TMatrixD matSk(1,1); // Innovation (or residual) covariance | |
2051 | TMatrixD matKk(5,1); // Optimal Kalman gain | |
2052 | TMatrixD mat1(5,5); // update covariance matrix | |
2053 | TMatrixD covXk2(5,5); // | |
2054 | TMatrixD covOut(5,5); | |
2055 | // | |
2056 | Double_t *param1=(Double_t*) track1.GetParameter(); | |
2057 | Double_t *covar1=(Double_t*) track1.GetCovariance(); | |
2058 | ||
2059 | // | |
2060 | // copy data to the matrix | |
2061 | for (Int_t ipar=0; ipar<5; ipar++){ | |
2062 | vecXk(ipar,0) = param1[ipar]; | |
2063 | for (Int_t jpar=0; jpar<5; jpar++){ | |
2064 | covXk(ipar,jpar) = covar1[track1.GetIndex(ipar, jpar)]; | |
2065 | } | |
2066 | } | |
2067 | // | |
2068 | // | |
2069 | // | |
2070 | vecZk(0,0) = track2.GetParameter()[4]; // 1/pt measurement from track 2 | |
2071 | measR(0,0) = track2.GetCovariance()[14]; // 1/pt measurement error | |
2072 | if (noField) { | |
2073 | measR(0,0)*=0.000000001; | |
2074 | vecZk(0,0)=0.; | |
2075 | } | |
2076 | // | |
2077 | matHk(0,0)=0; matHk(0,1)= 0; matHk(0,2)= 0; | |
2078 | matHk(0,3)= 0; matHk(0,4)= 1; // vector to measurement | |
2079 | // | |
2080 | // | |
2081 | // | |
2082 | vecYk = vecZk-matHk*vecXk; // Innovation or measurement residual | |
2083 | matHkT=matHk.T(); matHk.T(); | |
2084 | matSk = (matHk*(covXk*matHkT))+measR; // Innovation (or residual) covariance | |
2085 | matSk.Invert(); | |
2086 | matKk = (covXk*matHkT)*matSk; // Optimal Kalman gain | |
2087 | vecXk += matKk*vecYk; // updated vector | |
2088 | mat1(0,0)=1; mat1(1,1)=1; mat1(2,2)=1; mat1(3,3)=1; mat1(4,4)=1; | |
2089 | covXk2 = (mat1-(matKk*matHk)); | |
2090 | covOut = covXk2*covXk; | |
2091 | // | |
2092 | // | |
2093 | // | |
2094 | // copy from matrix to parameters | |
2095 | if (0) { | |
2096 | covOut.Print(); | |
2097 | vecXk.Print(); | |
2098 | covXk.Print(); | |
2099 | track1.Print(); | |
2100 | track2.Print(); | |
2101 | } | |
2102 | ||
2103 | for (Int_t ipar=0; ipar<5; ipar++){ | |
2104 | param1[ipar]= vecXk(ipar,0) ; | |
2105 | for (Int_t jpar=0; jpar<5; jpar++){ | |
2106 | covar1[track1.GetIndex(ipar, jpar)]=covOut(ipar,jpar); | |
2107 | } | |
2108 | } | |
2109 | ||
2110 | } | |
2111 | ||
2112 | void AliTPCcalibAlign::GlobalAlign6(Int_t minPoints, Float_t sysError, Int_t niter){ | |
2113 | // | |
2114 | // Global Align -combine the partial alignment of pair of sectors | |
2115 | // minPoints - minimal number of points - don't use sector alignment wit smaller number | |
2116 | // sysError - error added to the alignemnt error | |
2117 | // | |
2118 | AliTPCcalibAlign * align = this; | |
2119 | TMatrixD * arrayAlign[72]; | |
2120 | TMatrixD * arrayAlignDiff[72]; | |
2121 | // | |
2122 | for (Int_t i=0;i<72; i++) { | |
2123 | TMatrixD * mat = new TMatrixD(4,4); | |
2124 | mat->UnitMatrix(); | |
2125 | arrayAlign[i]=mat; | |
2126 | arrayAlignDiff[i]=(TMatrixD*)(mat->Clone()); | |
2127 | } | |
2128 | ||
2129 | TTreeSRedirector *cstream = new TTreeSRedirector("galign6.root"); | |
2130 | for (Int_t iter=0; iter<niter;iter++){ | |
2131 | printf("Iter=\t%d\n",iter); | |
2132 | for (Int_t is0=0;is0<72; is0++) { | |
2133 | // | |
2134 | //TMatrixD *mati0 = arrayAlign[is0]; | |
2135 | TMatrixD matDiff(4,4); | |
2136 | Double_t sumw=0; | |
2137 | for (Int_t is1=0;is1<72; is1++) { | |
2138 | Bool_t invers=kFALSE; | |
2139 | Int_t npoints=0; | |
2140 | TMatrixD covar; | |
2141 | TVectorD errors; | |
2142 | const TMatrixD *mat = align->GetTransformation(is0,is1,0); | |
2143 | if (mat){ | |
2144 | npoints = align->GetFitter6(is0,is1)->GetNpoints(); | |
2145 | if (npoints>minPoints){ | |
2146 | align->GetFitter6(is0,is1)->GetCovarianceMatrix(covar); | |
2147 | align->GetFitter6(is0,is1)->GetErrors(errors); | |
2148 | } | |
2149 | } | |
2150 | else{ | |
2151 | invers=kTRUE; | |
2152 | mat = align->GetTransformation(is1,is0,0); | |
2153 | if (mat) { | |
2154 | npoints = align->GetFitter6(is1,is0)->GetNpoints(); | |
2155 | if (npoints>minPoints){ | |
2156 | align->GetFitter6(is1,is0)->GetCovarianceMatrix(covar); | |
2157 | align->GetFitter6(is1,is0)->GetErrors(errors); | |
2158 | } | |
2159 | } | |
2160 | } | |
2161 | if (!mat) continue; | |
2162 | if (npoints<minPoints) continue; | |
2163 | // | |
2164 | Double_t weight=1; | |
2165 | if (is1/36>is0/36) weight*=2./3.; //IROC-OROC | |
2166 | if (is1/36<is0/36) weight*=1./3.; //OROC-IROC | |
2167 | if (is1/36==is0/36) weight*=1/3.; //OROC-OROC | |
2168 | if (is1%36!=is0%36) weight*=1/2.; //Not up-down | |
774a5ee9 | 2169 | weight/=(errors[4]*errors[4]+sysError*sysError); // wieghting with error in Y |
1d82fc56 | 2170 | // |
2171 | // | |
2172 | TMatrixD matT = *mat; | |
2173 | if (invers) matT.Invert(); | |
2174 | TMatrixD diffMat= (*(arrayAlign[is1]))*matT; | |
2175 | diffMat-=(*arrayAlign[is0]); | |
2176 | matDiff+=weight*diffMat; | |
2177 | sumw+=weight; | |
2178 | ||
2179 | (*cstream)<<"LAlign"<< | |
2180 | "iter="<<iter<< | |
2181 | "s0="<<is0<< | |
2182 | "s1="<<is1<< | |
2183 | "npoints="<<npoints<< | |
2184 | "m60.="<<arrayAlign[is0]<< | |
2185 | "m61.="<<arrayAlign[is1]<< | |
2186 | "m01.="<<&matT<< | |
2187 | "diff.="<<&diffMat<< | |
2188 | "cov.="<<&covar<< | |
2189 | "err.="<<&errors<< | |
2190 | "\n"; | |
2191 | } | |
2192 | if (sumw>0){ | |
2193 | matDiff*=1/sumw; | |
2194 | matDiff(0,0)=0; | |
2195 | matDiff(1,1)=0; | |
2196 | matDiff(1,1)=0; | |
2197 | matDiff(1,1)=0; | |
2198 | (*arrayAlignDiff[is0]) = matDiff; | |
2199 | } | |
2200 | } | |
2201 | for (Int_t is0=0;is0<72; is0++) { | |
2202 | if (is0<36) (*arrayAlign[is0]) += 0.4*(*arrayAlignDiff[is0]); | |
2203 | if (is0>=36) (*arrayAlign[is0]) += 0.2*(*arrayAlignDiff[is0]); | |
2204 | // | |
2205 | (*cstream)<<"GAlign"<< | |
2206 | "iter="<<iter<< | |
2207 | "s0="<<is0<< | |
2208 | "m6.="<<arrayAlign[is0]<< | |
2209 | "\n"; | |
2210 | } | |
2211 | } | |
774a5ee9 | 2212 | |
1d82fc56 | 2213 | delete cstream; |
2214 | for (Int_t isec=0;isec<72;isec++){ | |
2215 | fCombinedMatrixArray6.AddAt(arrayAlign[isec],isec); | |
2216 | delete arrayAlignDiff[isec]; | |
2217 | } | |
2218 | } | |
2219 | ||
108953e9 | 2220 | |
774a5ee9 | 2221 | Int_t AliTPCcalibAlign::RefitLinear(const AliTPCseed * track, Int_t isec, Double_t *fitParam, Int_t refSector, TMatrixD &tparam, TMatrixD&tcovar, Double_t xRef, Bool_t both){ |
2222 | // | |
2223 | // Refit tracklet linearly using clusters at given sector isec | |
2224 | // Clusters are rotated to the reference frame of sector refSector | |
2225 | // | |
2226 | // fit parameters and errors retruning in the fitParam | |
2227 | // | |
2228 | // seed - acces to the original clusters | |
2229 | // isec - sector to be refited | |
2230 | // fitParam - | |
2231 | // 0 lx | |
2232 | // 1 ly | |
2233 | // 2 dy/dz | |
2234 | // 3 lz | |
2235 | // 4 dz/dx | |
2236 | // 5 sx | |
2237 | // 6 sy | |
2238 | // 7 sdydx | |
2239 | // 8 sz | |
2240 | // 9 sdzdx | |
2241 | // ref sector is the sector defining ref frame - rotation | |
2242 | // return value - number of used clusters | |
2243 | ||
2244 | const Int_t kMinClusterF=15; | |
2245 | const Int_t kdrow1 =10; // rows to skip at the end | |
2246 | const Int_t kdrow0 =3; // rows to skip at beginning | |
2247 | const Float_t kedgeyIn=2.5; | |
2248 | const Float_t kedgeyOut=4.0; | |
2249 | const Float_t kMaxDist=5; // max distance -in sigma | |
2250 | const Float_t kMaxCorrY=0.05; // max correction | |
2251 | // | |
2252 | Double_t dalpha = 0; | |
2253 | if ((refSector%18)!=(isec%18)){ | |
2254 | dalpha = -((refSector%18)-(isec%18))*TMath::TwoPi()/18.; | |
2255 | } | |
2256 | Double_t ca = TMath::Cos(dalpha); | |
2257 | Double_t sa = TMath::Sin(dalpha); | |
2258 | // | |
2259 | // | |
2260 | AliTPCPointCorrection * corr = AliTPCPointCorrection::Instance(); | |
2261 | // | |
2262 | // full track fit parameters | |
2263 | // | |
2264 | TLinearFitter fyf(2,"pol1"); | |
2265 | TLinearFitter fzf(2,"pol1"); | |
2266 | TVectorD pyf(2), peyf(2),pzf(2), pezf(2); | |
2267 | TMatrixD covY(4,4),covZ(4,4); | |
2268 | Double_t chi2FacY =1; | |
2269 | Double_t chi2FacZ =1; | |
2270 | Int_t nf=0; | |
2271 | // | |
2272 | // | |
2273 | // | |
2274 | Float_t erry=0.1; // initial cluster error estimate | |
2275 | Float_t errz=0.1; // initial cluster error estimate | |
2276 | for (Int_t iter=0; iter<2; iter++){ | |
2277 | fyf.ClearPoints(); | |
2278 | fzf.ClearPoints(); | |
2279 | for (Int_t irow=kdrow0;irow<159-kdrow1;irow++) { | |
2280 | AliTPCclusterMI *c=track->GetClusterPointer(irow); | |
2281 | if (!c) continue; | |
2282 | // | |
2283 | if (c->GetDetector()%36!=(isec%36)) continue; | |
2284 | if (!both && c->GetDetector()!=isec) continue; | |
108953e9 | 2285 | |
774a5ee9 | 2286 | if (c->GetRow()<kdrow0) continue; |
2287 | //cluster position in reference frame | |
2288 | Double_t lxR = ca*c->GetX()-sa*c->GetY(); | |
2289 | Double_t lyR = +sa*c->GetX()+ca*c->GetY(); | |
2290 | Double_t lzR = c->GetZ(); | |
6f387311 | 2291 | |
774a5ee9 | 2292 | Double_t dx = lxR -xRef; // distance to reference X |
2293 | Double_t x[2]={dx, dx*dx}; | |
6f387311 | 2294 | |
774a5ee9 | 2295 | Double_t yfitR = pyf[0]+pyf[1]*dx; // fit value Y in ref frame |
2296 | Double_t zfitR = pzf[0]+pzf[1]*dx; // fit value Z in ref frame | |
2297 | // | |
2298 | Double_t yfit = -sa*lxR + ca*yfitR; // fit value Y in local frame | |
2299 | // | |
2300 | if (iter==0 &&c->GetType()<0) continue; | |
2301 | if (iter>0){ | |
2302 | if (TMath::Abs(lyR-yfitR)>kMaxDist*erry) continue; | |
2303 | if (TMath::Abs(lzR-zfitR)>kMaxDist*errz) continue; | |
2304 | Double_t dedge = c->GetX()*TMath::Tan(TMath::Pi()/18.)-TMath::Abs(yfit); | |
2305 | if (isec<36 && dedge<kedgeyIn) continue; | |
2306 | if (isec>35 && dedge<kedgeyOut) continue; | |
2307 | Double_t corrtrY = | |
2308 | corr->RPhiCOGCorrection(isec,c->GetRow(), c->GetPad(), | |
2309 | c->GetY(),yfit, c->GetZ(), pyf[1], c->GetMax(),2.5); | |
2310 | Double_t corrclY = | |
2311 | corr->RPhiCOGCorrection(isec,c->GetRow(), c->GetPad(), | |
2312 | c->GetY(),c->GetY(), c->GetZ(), pyf[1], c->GetMax(),2.5); | |
2313 | if (TMath::Abs((corrtrY+corrclY)*0.5)>kMaxCorrY) continue; | |
2314 | if (TMath::Abs(corrtrY)>kMaxCorrY) continue; | |
2315 | } | |
2316 | fyf.AddPoint(x,lyR,erry); | |
2317 | fzf.AddPoint(x,lzR,errz); | |
2318 | } | |
2319 | nf = fyf.GetNpoints(); | |
2320 | if (nf<kMinClusterF) return 0; // not enough points - skip | |
2321 | fyf.Eval(); | |
2322 | fyf.GetParameters(pyf); | |
2323 | fyf.GetErrors(peyf); | |
2324 | fzf.Eval(); | |
2325 | fzf.GetParameters(pzf); | |
2326 | fzf.GetErrors(pezf); | |
2327 | chi2FacY = TMath::Sqrt(fyf.GetChisquare()/(fyf.GetNpoints()-2.)); | |
2328 | chi2FacZ = TMath::Sqrt(fzf.GetChisquare()/(fzf.GetNpoints()-2.)); | |
2329 | peyf[0]*=chi2FacY; | |
2330 | peyf[1]*=chi2FacY; | |
2331 | pezf[0]*=chi2FacZ; | |
2332 | pezf[1]*=chi2FacZ; | |
2333 | erry*=chi2FacY; | |
2334 | errz*=chi2FacZ; | |
2335 | fyf.GetCovarianceMatrix(covY); | |
2336 | fzf.GetCovarianceMatrix(covZ); | |
2337 | for (Int_t i0=0;i0<2;i0++) | |
2338 | for (Int_t i1=0;i1<2;i1++){ | |
2339 | covY(i0,i1)*=chi2FacY*chi2FacY; | |
2340 | covZ(i0,i1)*=chi2FacZ*chi2FacZ; | |
2341 | } | |
2342 | } | |
2343 | fitParam[0] = xRef; | |
2344 | // | |
2345 | fitParam[1] = pyf[0]; | |
2346 | fitParam[2] = pyf[1]; | |
2347 | fitParam[3] = pzf[0]; | |
2348 | fitParam[4] = pzf[1]; | |
2349 | // | |
2350 | fitParam[5] = 0; | |
2351 | fitParam[6] = peyf[0]; | |
2352 | fitParam[7] = peyf[1]; | |
2353 | fitParam[8] = pezf[0]; | |
2354 | fitParam[9] = pezf[1]; | |
2355 | // | |
2356 | // | |
2357 | tparam(0,0) = pyf[0]; | |
2358 | tparam(1,0) = pyf[1]; | |
2359 | tparam(2,0) = pzf[0]; | |
2360 | tparam(3,0) = pzf[1]; | |
2361 | // | |
2362 | tcovar(0,0) = covY(0,0); | |
2363 | tcovar(1,1) = covY(1,1); | |
2364 | tcovar(1,0) = covY(1,0); | |
2365 | tcovar(0,1) = covY(0,1); | |
2366 | tcovar(2,2) = covZ(0,0); | |
2367 | tcovar(3,3) = covZ(1,1); | |
2368 | tcovar(3,2) = covZ(1,0); | |
2369 | tcovar(2,3) = covZ(0,1); | |
2370 | return nf; | |
2371 | } | |
6f387311 | 2372 | |
774a5ee9 | 2373 | void AliTPCcalibAlign::UpdateAlignSector(const AliTPCseed * track,Int_t isec){ |
2374 | // | |
2375 | // Update Kalman filter of Alignment | |
2376 | // IROC - OROC quadrants | |
2377 | // | |
2378 | ||
2379 | const Int_t kMinClusterF=40; | |
2380 | const Int_t kMinClusterQ=10; | |
2381 | // | |
2382 | const Int_t kdrow1 =8; // rows to skip at the end | |
2383 | const Int_t kdrow0 =2; // rows to skip at beginning | |
2384 | const Float_t kedgey=3.0; | |
2385 | const Float_t kMaxDist=0.5; | |
2386 | const Float_t kMaxCorrY=0.05; | |
2387 | const Float_t kPRFWidth = 0.6; //cut 2 sigma of PRF | |
2388 | isec = isec%36; // use the hardware numbering | |
2389 | // | |
2390 | // | |
2391 | AliTPCPointCorrection * corr = AliTPCPointCorrection::Instance(); | |
2392 | // | |
2393 | // full track fit parameters | |
2394 | // | |
2395 | TLinearFitter fyf(2,"pol1"); | |
2396 | TLinearFitter fzf(2,"pol1"); | |
2397 | TVectorD pyf(2), peyf(2),pzf(2), pezf(2); | |
2398 | Int_t nf=0; | |
2399 | // | |
2400 | // make full fit as reference | |
2401 | // | |
2402 | for (Int_t iter=0; iter<2; iter++){ | |
2403 | fyf.ClearPoints(); | |
2404 | for (Int_t irow=kdrow0;irow<159-kdrow1;irow++) { | |
2405 | AliTPCclusterMI *c=track->GetClusterPointer(irow); | |
2406 | if (!c) continue; | |
2407 | if ((c->GetDetector()%36)!=isec) continue; | |
2408 | if (c->GetRow()<kdrow0) continue; | |
2409 | Double_t dx = c->GetX()-fXmiddle; | |
2410 | Double_t x[2]={dx, dx*dx}; | |
2411 | if (iter==0 &&c->GetType()<0) continue; | |
2412 | if (iter==1){ | |
2413 | Double_t yfit = pyf[0]+pyf[1]*dx; | |
2414 | Double_t dedge = c->GetX()*TMath::Tan(TMath::Pi()/18.)-TMath::Abs(yfit); | |
2415 | if (TMath::Abs(c->GetY()-yfit)>kMaxDist) continue; | |
2416 | if (dedge<kedgey) continue; | |
2417 | Double_t corrtrY = | |
2418 | corr->RPhiCOGCorrection(c->GetDetector(),c->GetRow(), c->GetPad(), | |
2419 | c->GetY(),yfit, c->GetZ(), pyf[1], c->GetMax(),2.5); | |
2420 | if (TMath::Abs(corrtrY)>kMaxCorrY) continue; | |
2421 | } | |
2422 | fyf.AddPoint(x,c->GetY(),0.1); | |
2423 | fzf.AddPoint(x,c->GetZ(),0.1); | |
2424 | } | |
2425 | nf = fyf.GetNpoints(); | |
2426 | if (nf<kMinClusterF) return; // not enough points - skip | |
2427 | fyf.Eval(); | |
2428 | fyf.GetParameters(pyf); | |
2429 | fyf.GetErrors(peyf); | |
2430 | fzf.Eval(); | |
2431 | fzf.GetParameters(pzf); | |
2432 | fzf.GetErrors(pezf); | |
2433 | } | |
2434 | // | |
2435 | // Make Fitters and params for 5 fitters | |
2436 | // 1-4 OROC quadrants | |
2437 | // 0 IROC | |
2438 | // | |
2439 | TLinearFitter *fittersY[5]; | |
2440 | TLinearFitter *fittersZ[5]; | |
2441 | Int_t npoints[5]; | |
2442 | TVectorD paramsY[5]; | |
2443 | TVectorD errorsY[5]; | |
2444 | TMatrixD covY[5]; | |
2445 | Double_t chi2CY[5]; | |
2446 | TVectorD paramsZ[5]; | |
2447 | TVectorD errorsZ[5]; | |
2448 | TMatrixD covZ[5]; | |
2449 | Double_t chi2CZ[5]; | |
2450 | for (Int_t i=0;i<5;i++) { | |
2451 | npoints[i]=0; | |
2452 | fittersY[i] = new TLinearFitter(2,"pol1"); | |
2453 | paramsY[i].ResizeTo(2); | |
2454 | errorsY[i].ResizeTo(2); | |
2455 | covY[i].ResizeTo(2,2); | |
2456 | fittersZ[i] = new TLinearFitter(2,"pol1"); | |
2457 | paramsZ[i].ResizeTo(2); | |
2458 | errorsZ[i].ResizeTo(2); | |
2459 | covZ[i].ResizeTo(2,2); | |
2460 | } | |
2461 | // | |
2462 | // Update fitters | |
2463 | // | |
2464 | for (Int_t irow=kdrow0;irow<159-kdrow1;irow++) { | |
2465 | AliTPCclusterMI *c=track->GetClusterPointer(irow); | |
2466 | if (!c) continue; | |
2467 | if ((c->GetDetector()%36)!=isec) continue; | |
2468 | if (c->GetRow()<kdrow0) continue; | |
2469 | Double_t dx = c->GetX()-fXmiddle; | |
2470 | Double_t x[2]={dx, dx*dx}; | |
2471 | Double_t yfit = pyf[0]+pyf[1]*dx; | |
2472 | Double_t dedge = c->GetX()*TMath::Tan(TMath::Pi()/18.)-TMath::Abs(yfit); | |
2473 | if (TMath::Abs(c->GetY()-yfit)>kMaxDist) continue; | |
2474 | if (dedge<kedgey) continue; | |
2475 | Double_t corrtrY = | |
2476 | corr->RPhiCOGCorrection(c->GetDetector(),c->GetRow(), c->GetPad(), | |
2477 | c->GetY(),yfit, c->GetZ(), pyf[1], c->GetMax(),2.5); | |
2478 | if (TMath::Abs(corrtrY)>kMaxCorrY) continue; | |
2479 | ||
2480 | if (c->GetDetector()>35){ | |
2481 | if (c->GetX()<fXquadrant){ | |
2482 | if (yfit<-kPRFWidth) fittersY[1]->AddPoint(x,c->GetY(),0.1); | |
2483 | if (yfit<-kPRFWidth) fittersZ[1]->AddPoint(x,c->GetZ(),0.1); | |
2484 | if (yfit>kPRFWidth) fittersY[2]->AddPoint(x,c->GetY(),0.1); | |
2485 | if (yfit>kPRFWidth) fittersZ[2]->AddPoint(x,c->GetZ(),0.1); | |
2486 | } | |
2487 | if (c->GetX()>fXquadrant){ | |
2488 | if (yfit<-kPRFWidth) fittersY[3]->AddPoint(x,c->GetY(),0.1); | |
2489 | if (yfit<-kPRFWidth) fittersZ[3]->AddPoint(x,c->GetZ(),0.1); | |
2490 | if (yfit>kPRFWidth) fittersY[4]->AddPoint(x,c->GetY(),0.1); | |
2491 | if (yfit>kPRFWidth) fittersZ[4]->AddPoint(x,c->GetZ(),0.1); | |
2492 | } | |
2493 | } | |
2494 | if (c->GetDetector()<36){ | |
2495 | fittersY[0]->AddPoint(x,c->GetY(),0.1); | |
2496 | fittersZ[0]->AddPoint(x,c->GetZ(),0.1); | |
2497 | } | |
2498 | } | |
2499 | // | |
2500 | // | |
2501 | // | |
2502 | for (Int_t i=0;i<5;i++) { | |
2503 | npoints[i] = fittersY[i]->GetNpoints(); | |
2504 | if (npoints[i]>=kMinClusterQ){ | |
2505 | // Y fit | |
2506 | fittersY[i]->Eval(); | |
2507 | Double_t chi2FacY = TMath::Sqrt(fittersY[i]->GetChisquare()/(fittersY[i]->GetNpoints()-2)); | |
2508 | chi2CY[i]=chi2FacY; | |
2509 | fittersY[i]->GetParameters(paramsY[i]); | |
2510 | fittersY[i]->GetErrors(errorsY[i]); | |
2511 | fittersY[i]->GetCovarianceMatrix(covY[i]); | |
2512 | // renormalize errors | |
2513 | errorsY[i][0]*=chi2FacY; | |
2514 | errorsY[i][1]*=chi2FacY; | |
2515 | covY[i](0,0)*=chi2FacY*chi2FacY; | |
2516 | covY[i](0,1)*=chi2FacY*chi2FacY; | |
2517 | covY[i](1,0)*=chi2FacY*chi2FacY; | |
2518 | covY[i](1,1)*=chi2FacY*chi2FacY; | |
2519 | // Z fit | |
2520 | fittersZ[i]->Eval(); | |
2521 | Double_t chi2FacZ = TMath::Sqrt(fittersZ[i]->GetChisquare()/(fittersZ[i]->GetNpoints()-2)); | |
2522 | chi2CZ[i]=chi2FacZ; | |
2523 | fittersZ[i]->GetParameters(paramsZ[i]); | |
2524 | fittersZ[i]->GetErrors(errorsZ[i]); | |
2525 | fittersZ[i]->GetCovarianceMatrix(covZ[i]); | |
2526 | // renormalize errors | |
2527 | errorsZ[i][0]*=chi2FacZ; | |
2528 | errorsZ[i][1]*=chi2FacZ; | |
2529 | covZ[i](0,0)*=chi2FacZ*chi2FacZ; | |
2530 | covZ[i](0,1)*=chi2FacZ*chi2FacZ; | |
2531 | covZ[i](1,0)*=chi2FacZ*chi2FacZ; | |
2532 | covZ[i](1,1)*=chi2FacZ*chi2FacZ; | |
2533 | } | |
2534 | } | |
2535 | for (Int_t i=0;i<5;i++){ | |
2536 | delete fittersY[i]; | |
2537 | delete fittersZ[i]; | |
2538 | } | |
6f387311 | 2539 | |
774a5ee9 | 2540 | // |
2541 | // void UpdateSectorKalman | |
2542 | // | |
2543 | for (Int_t i0=0;i0<5;i0++){ | |
2544 | for (Int_t i1=i0+1;i1<5;i1++){ | |
2545 | if(npoints[i0]<kMinClusterQ) continue; | |
2546 | if(npoints[i1]<kMinClusterQ) continue; | |
2547 | TMatrixD v0(4,1),v1(4,1); // measurement | |
2548 | TMatrixD cov0(4,4),cov1(4,4); // covariance | |
2549 | // | |
2550 | v0(0,0)= paramsY[i0][0]; v1(0,0)= paramsY[i1][0]; | |
2551 | v0(1,0)= paramsY[i0][1]; v1(1,0)= paramsY[i1][1]; | |
2552 | v0(2,0)= paramsZ[i0][0]; v1(2,0)= paramsZ[i1][0]; | |
2553 | v0(3,0)= paramsZ[i0][1]; v1(3,0)= paramsZ[i1][1]; | |
2554 | //covariance i0 | |
2555 | cov0(0,0) = covY[i0](0,0); | |
2556 | cov0(1,1) = covY[i0](1,1); | |
2557 | cov0(1,0) = covY[i0](1,0); | |
2558 | cov0(0,1) = covY[i0](0,1); | |
2559 | cov0(2,2) = covZ[i0](0,0); | |
2560 | cov0(3,3) = covZ[i0](1,1); | |
2561 | cov0(3,2) = covZ[i0](1,0); | |
2562 | cov0(2,3) = covZ[i0](0,1); | |
2563 | //covariance i1 | |
2564 | cov1(0,0) = covY[i1](0,0); | |
2565 | cov1(1,1) = covY[i1](1,1); | |
2566 | cov1(1,0) = covY[i1](1,0); | |
2567 | cov1(0,1) = covY[i1](0,1); | |
2568 | cov1(2,2) = covZ[i1](0,0); | |
2569 | cov1(3,3) = covZ[i1](1,1); | |
2570 | cov1(3,2) = covZ[i1](1,0); | |
2571 | cov1(2,3) = covZ[i1](0,1); | |
2572 | // | |
2573 | // And now update | |
2574 | // | |
2575 | if (TMath::Abs(pyf[1])<0.8){ //angular cut | |
2576 | UpdateSectorKalman(isec, i0,i1, &v0,&cov0,&v1,&cov1); | |
2577 | } | |
2578 | } | |
2579 | } | |
108953e9 | 2580 | |
774a5ee9 | 2581 | // |
2582 | // Dump debug information | |
2583 | // | |
2584 | if (fStreamLevel>0){ | |
2585 | TTreeSRedirector *cstream = GetDebugStreamer(); | |
2586 | if (cstream){ | |
2587 | for (Int_t i0=0;i0<5;i0++){ | |
2588 | for (Int_t i1=i0;i1<5;i1++){ | |
2589 | if (i0==i1) continue; | |
2590 | if(npoints[i0]<kMinClusterQ) continue; | |
2591 | if(npoints[i1]<kMinClusterQ) continue; | |
2592 | (*cstream)<<"sectorAlign"<< | |
2593 | "run="<<fRun<< // run number | |
2594 | "event="<<fEvent<< // event number | |
2595 | "time="<<fTime<< // time stamp of event | |
2596 | "trigger="<<fTrigger<< // trigger | |
2597 | "triggerClass="<<&fTriggerClass<< // trigger | |
2598 | "mag="<<fMagF<< // magnetic field | |
2599 | "isec="<<isec<< // current sector | |
2600 | // full fit | |
2601 | "nf="<<nf<< // total number of points | |
2602 | "pyf.="<<&pyf<< // full OROC fit y | |
2603 | "pzf.="<<&pzf<< // full OROC fit z | |
2604 | // quadrant and IROC fit | |
2605 | "i0="<<i0<< // quadrant number | |
2606 | "i1="<<i1<< | |
2607 | "n0="<<npoints[i0]<< // number of points | |
2608 | "n1="<<npoints[i1]<< | |
2609 | // | |
2610 | "py0.="<<¶msY[i0]<< // parameters | |
2611 | "py1.="<<¶msY[i1]<< | |
2612 | "ey0.="<<&errorsY[i0]<< // errors | |
2613 | "ey1.="<<&errorsY[i1]<< | |
2614 | "chiy0="<<chi2CY[i0]<< // chi2s | |
2615 | "chiy1="<<chi2CY[i1]<< | |
2616 | // | |
2617 | "pz0.="<<¶msZ[i0]<< // parameters | |
2618 | "pz1.="<<¶msZ[i1]<< | |
2619 | "ez0.="<<&errorsZ[i0]<< // errors | |
2620 | "ez1.="<<&errorsZ[i1]<< | |
2621 | "chiz0="<<chi2CZ[i0]<< // chi2s | |
2622 | "chiz1="<<chi2CZ[i1]<< | |
2623 | "\n"; | |
2624 | } | |
2625 | } | |
2626 | } | |
2627 | } | |
2628 | } | |
bb6bc8f6 | 2629 | |
774a5ee9 | 2630 | void AliTPCcalibAlign::UpdateSectorKalman(Int_t sector, Int_t quadrant0, Int_t quadrant1, TMatrixD *p0, TMatrixD *c0, TMatrixD *p1, TMatrixD *c1 ){ |
2631 | // | |
2632 | // | |
2633 | // tracks are refitted at sector middle | |
2634 | // | |
2635 | if (fArraySectorIntParam.At(0)==NULL) MakeSectorKalman(); | |
2636 | // | |
2637 | // | |
2638 | static TMatrixD matHk(4,30); // vector to mesurement | |
2639 | static TMatrixD measR(4,4); // measurement error | |
2640 | // static TMatrixD matQk(2,2); // prediction noise vector | |
2641 | static TMatrixD vecZk(4,1); // measurement | |
2642 | // | |
2643 | static TMatrixD vecYk(4,1); // Innovation or measurement residual | |
2644 | static TMatrixD matHkT(30,4); // helper matrix Hk transpose | |
2645 | static TMatrixD matSk(4,4); // Innovation (or residual) covariance | |
2646 | static TMatrixD matKk(30,4); // Optimal Kalman gain | |
2647 | static TMatrixD mat1(30,30); // update covariance matrix | |
2648 | static TMatrixD covXk2(30,30); // helper matrix | |
2649 | // | |
2650 | TMatrixD *vOrig = (TMatrixD*)(fArraySectorIntParam.At(sector)); | |
2651 | TMatrixD *cOrig = (TMatrixD*)(fArraySectorIntCovar.At(sector)); | |
2652 | // | |
2653 | TMatrixD vecXk(*vOrig); // X vector | |
2654 | TMatrixD covXk(*cOrig); // X covariance | |
2655 | // | |
2656 | //Unit matrix | |
2657 | // | |
2658 | for (Int_t i=0;i<30;i++) | |
2659 | for (Int_t j=0;j<30;j++){ | |
2660 | mat1(i,j)=0; | |
2661 | if (i==j) mat1(i,j)=1; | |
2662 | } | |
2663 | // | |
2664 | // | |
2665 | // matHk - vector to measurement | |
2666 | // | |
2667 | for (Int_t i=0;i<4;i++) | |
2668 | for (Int_t j=0;j<30;j++){ | |
2669 | matHk(i,j)=0; | |
2670 | } | |
2671 | // | |
2672 | // Measurement | |
2673 | // 0 - y | |
2674 | // 1 - ky | |
2675 | // 2 - z | |
2676 | // 3 - kz | |
2677 | ||
2678 | matHk(0,6*quadrant1+4) = 1.; // delta y | |
2679 | matHk(1,6*quadrant1+0) = 1.; // delta ky | |
2680 | matHk(2,6*quadrant1+5) = 1.; // delta z | |
2681 | matHk(3,6*quadrant1+1) = 1.; // delta kz | |
2682 | // bug fix 24.02 - aware of sign in dx | |
2683 | matHk(0,6*quadrant1+3) = -(*p0)(1,0); // delta x to delta y - through ky | |
2684 | matHk(2,6*quadrant1+3) = -(*p0)(3,0); // delta x to delta z - thorugh kz | |
2685 | matHk(2,6*quadrant1+2) = ((*p0)(0,0)); // y to delta z - through psiz | |
2686 | // | |
2687 | matHk(0,6*quadrant0+4) = -1.; // delta y | |
2688 | matHk(1,6*quadrant0+0) = -1.; // delta ky | |
2689 | matHk(2,6*quadrant0+5) = -1.; // delta z | |
2690 | matHk(3,6*quadrant0+1) = -1.; // delta kz | |
2691 | // bug fix 24.02 be aware of sign in dx | |
2692 | matHk(0,6*quadrant0+3) = ((*p0)(1,0)); // delta x to delta y - through ky | |
2693 | matHk(2,6*quadrant0+3) = ((*p0)(3,0)); // delta x to delta z - thorugh kz | |
2694 | matHk(2,6*quadrant0+2) = -((*p0)(0,0)); // y to delta z - through psiz | |
bb6bc8f6 | 2695 | |
774a5ee9 | 2696 | // |
2697 | // | |
2698 | ||
2699 | vecZk =(*p1)-(*p0); // measurement | |
2700 | measR =(*c1)+(*c0); // error of measurement | |
2701 | vecYk = vecZk-matHk*vecXk; // Innovation or measurement residual | |
2702 | // | |
2703 | // | |
2704 | matHkT=matHk.T(); matHk.T(); | |
2705 | matSk = (matHk*(covXk*matHkT))+measR; // Innovation (or residual) covariance | |
2706 | matSk.Invert(); | |
2707 | matKk = (covXk*matHkT)*matSk; // Optimal Kalman gain | |
2708 | vecXk += matKk*vecYk; // updated vector | |
2709 | covXk2= (mat1-(matKk*matHk)); | |
2710 | covXk = covXk2*covXk; | |
2711 | // | |
2712 | // | |
2713 | (*cOrig)=covXk; | |
2714 | (*vOrig)=vecXk; | |
2715 | } | |
bb6bc8f6 | 2716 | |
774a5ee9 | 2717 | void AliTPCcalibAlign::MakeSectorKalman(){ |
2718 | // | |
2719 | // Make a initial Kalman paramaters for IROC - Quadrants alignment | |
2720 | // | |
2721 | TMatrixD param(5*6,1); | |
2722 | TMatrixD covar(5*6,5*6); | |
2723 | // | |
2724 | // Set inital parameters | |
2725 | // | |
2726 | for (Int_t ip=0;ip<5*6;ip++) param(ip,0)=0; // mean alignment to 0 | |
2727 | // | |
2728 | for (Int_t iq=0;iq<5;iq++){ | |
2729 | // Initial uncertinty | |
2730 | covar(iq*6+0,iq*6+0) = 0.002*0.002; // 2 mrad | |
2731 | covar(iq*6+1,iq*6+1) = 0.002*0.002; // 2 mrad rotation | |
2732 | covar(iq*6+2,iq*6+2) = 0.002*0.002; // 2 mrad | |
2733 | // | |
2734 | covar(iq*6+3,iq*6+3) = 0.02*0.02; // 0.2 mm | |
2735 | covar(iq*6+4,iq*6+4) = 0.02*0.02; // 0.2 mm translation | |
2736 | covar(iq*6+5,iq*6+5) = 0.02*0.02; // 0.2 mm | |
2737 | } | |
bb6bc8f6 | 2738 | |
774a5ee9 | 2739 | for (Int_t isec=0;isec<36;isec++){ |
2740 | fArraySectorIntParam.AddAt(param.Clone(),isec); | |
2741 | fArraySectorIntCovar.AddAt(covar.Clone(),isec); | |
2742 | } | |
2743 | } | |
108953e9 | 2744 | |
774a5ee9 | 2745 | void AliTPCcalibAlign::UpdateSectorKalman(TMatrixD &par0, TMatrixD &cov0, TMatrixD &par1, TMatrixD &cov1){ |
2746 | // | |
2747 | // Update kalman vector para0 with vector par1 | |
2748 | // Used for merging | |
2749 | // | |
2750 | static TMatrixD matHk(30,30); // vector to mesurement | |
2751 | static TMatrixD measR(30,30); // measurement error | |
2752 | static TMatrixD vecZk(30,1); // measurement | |
2753 | // | |
2754 | static TMatrixD vecYk(30,1); // Innovation or measurement residual | |
2755 | static TMatrixD matHkT(30,30); // helper matrix Hk transpose | |
2756 | static TMatrixD matSk(30,30); // Innovation (or residual) covariance | |
2757 | static TMatrixD matKk(30,30); // Optimal Kalman gain | |
2758 | static TMatrixD mat1(30,30); // update covariance matrix | |
2759 | static TMatrixD covXk2(30,30); // helper matrix | |
2760 | // | |
2761 | TMatrixD vecXk(par0); // X vector | |
2762 | TMatrixD covXk(cov0); // X covariance | |
108953e9 | 2763 | |
774a5ee9 | 2764 | // |
2765 | //Unit matrix | |
2766 | // | |
2767 | for (Int_t i=0;i<30;i++) | |
2768 | for (Int_t j=0;j<30;j++){ | |
2769 | mat1(i,j)=0; | |
2770 | if (i==j) mat1(i,j)=1; | |
2771 | } | |
2772 | matHk = mat1; // unit matrix | |
2773 | // | |
2774 | vecZk = par1; // measurement | |
2775 | measR = cov1; // error of measurement | |
2776 | vecYk = vecZk-matHk*vecXk; // Innovation or measurement residual | |
2777 | // | |
2778 | matHkT=matHk.T(); matHk.T(); | |
2779 | matSk = (matHk*(covXk*matHkT))+measR; // Innovation (or residual) covariance | |
2780 | matSk.Invert(); | |
2781 | matKk = (covXk*matHkT)*matSk; // Optimal Kalman gain | |
2782 | //matKk.Print(); | |
2783 | vecXk += matKk*vecYk; // updated vector | |
2784 | covXk2= (mat1-(matKk*matHk)); | |
2785 | covXk = covXk2*covXk; | |
2786 | CheckCovariance(covXk); | |
2787 | CheckCovariance(cov1); | |
2788 | // | |
2789 | par0 = vecXk; // update measurement param | |
2790 | cov0 = covXk; // update measurement covar | |
2791 | } | |
108953e9 | 2792 | |
774a5ee9 | 2793 | Double_t AliTPCcalibAlign::GetCorrectionSector(Int_t coord, Int_t sector, Double_t lx, Double_t ly, Double_t /*lz*/){ |
2794 | // | |
2795 | // Get position correction for given sector | |
2796 | // | |
108953e9 | 2797 | |
774a5ee9 | 2798 | TMatrixD * param = (TMatrixD*)fArraySectorIntParam.At(sector%36); |
2799 | if (!param) return 0; | |
2800 | Int_t quadrant=0; | |
2801 | if(lx>fXIO){ | |
2802 | if (lx<fXquadrant) { | |
2803 | if (ly<0) quadrant=1; | |
2804 | if (ly>0) quadrant=2; | |
2805 | } | |
2806 | if (lx>fXquadrant) { | |
2807 | if (ly<0) quadrant=3; | |
2808 | if (ly>0) quadrant=4; | |
2809 | } | |
2810 | } | |
2811 | Double_t a10 = (*param)(quadrant*6+0,0); | |
2812 | Double_t a20 = (*param)(quadrant*6+1,0); | |
2813 | Double_t a21 = (*param)(quadrant*6+2,0); | |
2814 | Double_t dx = (*param)(quadrant*6+3,0); | |
2815 | Double_t dy = (*param)(quadrant*6+4,0); | |
2816 | Double_t dz = (*param)(quadrant*6+5,0); | |
2817 | Double_t deltaX = lx-fXIO; | |
2818 | if (coord==0) return dx; | |
2819 | if (coord==1) return dy+deltaX*a10; | |
2820 | if (coord==2) return dz+deltaX*a20+ly*a21; | |
2821 | return 0; | |
2822 | } | |
108953e9 | 2823 | |
774a5ee9 | 2824 | Double_t AliTPCcalibAlign::SGetCorrectionSector(Int_t coord, Int_t sector, Double_t lx, Double_t ly, Double_t lz){ |
2825 | // | |
2826 | // | |
2827 | // | |
2828 | if (!Instance()) return 0; | |
2829 | return Instance()->GetCorrectionSector(coord,sector,lx,ly,lz); | |
2830 | } | |
108953e9 | 2831 | |
774a5ee9 | 2832 | void AliTPCcalibAlign::MakeKalman(){ |
2833 | // | |
2834 | // Make a initial Kalman paramaters for sector Alignemnt | |
2835 | // | |
2836 | fSectorParamA = new TMatrixD(6*36+6,1); | |
2837 | fSectorParamC = new TMatrixD(6*36+6,1); | |
2838 | fSectorCovarA = new TMatrixD(6*36+6,6*36+6); | |
2839 | fSectorCovarC = new TMatrixD(6*36+6,6*36+6); | |
2840 | // | |
2841 | // set starting parameters at 0 | |
2842 | // | |
2843 | for (Int_t isec=0;isec<37;isec++) | |
2844 | for (Int_t ipar=0;ipar<6;ipar++){ | |
2845 | (*fSectorParamA)(isec*6+ipar,0) =0; | |
2846 | (*fSectorParamC)(isec*6+ipar,0) =0; | |
2847 | } | |
2848 | // | |
2849 | // set starting covariance | |
2850 | // | |
2851 | for (Int_t isec=0;isec<36;isec++) | |
2852 | for (Int_t ipar=0;ipar<6;ipar++){ | |
2853 | if (ipar<3){ | |
2854 | (*fSectorCovarA)(isec*6+ipar,isec*6+ipar) =0.002*0.002; // 2 mrad | |
2855 | (*fSectorCovarC)(isec*6+ipar,isec*6+ipar) =0.002*0.002; | |
2856 | } | |
2857 | if (ipar>=3){ | |
2858 | (*fSectorCovarA)(isec*6+ipar,isec*6+ipar) =0.02*0.02; // 0.2 mm | |
2859 | (*fSectorCovarC)(isec*6+ipar,isec*6+ipar) =0.02*0.02; | |
2860 | } | |
2861 | } | |
2862 | (*fSectorCovarA)(36*6+0,36*6+0) =0.04; // common shift y up-up | |
2863 | (*fSectorCovarA)(36*6+1,36*6+1) =0.04; // common shift y down-down | |
2864 | (*fSectorCovarA)(36*6+2,36*6+2) =0.04; // common shift y up-down | |
2865 | (*fSectorCovarA)(36*6+3,36*6+3) =0.004; // common shift phi up-up | |
2866 | (*fSectorCovarA)(36*6+4,36*6+4) =0.004; // common shift phi down-down | |
2867 | (*fSectorCovarA)(36*6+5,36*6+5) =0.004; // common shift phi up-down | |
2868 | // | |
2869 | (*fSectorCovarC)(36*6+0,36*6+0) =0.04; // common shift y up-up | |
2870 | (*fSectorCovarC)(36*6+1,36*6+1) =0.04; // common shift y down-down | |
2871 | (*fSectorCovarC)(36*6+2,36*6+2) =0.04; // common shift y up-down | |
2872 | (*fSectorCovarC)(36*6+3,36*6+3) =0.004; // common shift phi up-up | |
2873 | (*fSectorCovarC)(36*6+4,36*6+4) =0.004; // common shift phi down-down | |
2874 | (*fSectorCovarC)(36*6+5,36*6+5) =0.004; // common shift phi up-down | |
2875 | } | |
108953e9 | 2876 | |
774a5ee9 | 2877 | void AliTPCcalibAlign::UpdateKalman(Int_t sector0, Int_t sector1, TMatrixD &p0, TMatrixD &c0, TMatrixD &p1, TMatrixD &c1){ |
2878 | // | |
2879 | // Update Kalman parameters | |
2880 | // Note numbering from 0..36 0..17 IROC 18..35 OROC | |
2881 | // | |
2882 | // | |
2883 | if (fSectorParamA==NULL) MakeKalman(); | |
2884 | if (CheckCovariance(c0)>0) return; | |
2885 | if (CheckCovariance(c1)>0) return; | |
2886 | const Int_t nelem = 6*36+6; | |
2887 | // | |
2888 | // | |
2889 | static TMatrixD matHk(4,nelem); // vector to mesurement | |
2890 | static TMatrixD measR(4,4); // measurement error | |
2891 | static TMatrixD vecZk(4,1); // measurement | |
2892 | // | |
2893 | static TMatrixD vecYk(4,1); // Innovation or measurement residual | |
2894 | static TMatrixD matHkT(nelem,4); // helper matrix Hk transpose | |
2895 | static TMatrixD matSk(4,4); // Innovation (or residual) covariance | |
2896 | static TMatrixD matKk(nelem,4); // Optimal Kalman gain | |
2897 | static TMatrixD mat1(nelem,nelem); // update covariance matrix | |
2898 | static TMatrixD covXk2(nelem,nelem); // helper matrix | |
2899 | // | |
2900 | TMatrixD *vOrig = 0; | |
2901 | TMatrixD *cOrig = 0; | |
2902 | vOrig = (sector0%36>=18) ? fSectorParamA:fSectorParamC; | |
2903 | cOrig = (sector0%36>=18) ? fSectorCovarA:fSectorCovarC; | |
2904 | // | |
2905 | Int_t sec0= sector0%18; | |
2906 | Int_t sec1= sector1%18; | |
2907 | if (sector0>35) sec0+=18; | |
2908 | if (sector1>35) sec1+=18; | |
2909 | // | |
2910 | TMatrixD vecXk(*vOrig); // X vector | |
2911 | TMatrixD covXk(*cOrig); // X covariance | |
2912 | // | |
2913 | //Unit matrix | |
2914 | // | |
2915 | for (Int_t i=0;i<nelem;i++) | |
2916 | for (Int_t j=0;j<nelem;j++){ | |
2917 | mat1(i,j)=0; | |
2918 | if (i==j) mat1(i,j)=1; | |
2919 | } | |
2920 | // | |
2921 | // | |
2922 | // matHk - vector to measurement | |
2923 | // | |
2924 | for (Int_t i=0;i<4;i++) | |
2925 | for (Int_t j=0;j<nelem;j++){ | |
2926 | matHk(i,j)=0; | |
2927 | } | |
2928 | // | |
2929 | // Measurement | |
2930 | // 0 - y | |
2931 | // 1 - ky | |
2932 | // 2 - z | |
2933 | // 3 - kz | |
2934 | ||
2935 | matHk(0,6*sec1+4) = 1.; // delta y | |
2936 | matHk(1,6*sec1+0) = 1.; // delta ky | |
2937 | matHk(2,6*sec1+5) = 1.; // delta z | |
2938 | matHk(3,6*sec1+1) = 1.; // delta kz | |
2939 | matHk(0,6*sec1+3) = p0(1,0); // delta x to delta y - through ky | |
2940 | matHk(2,6*sec1+3) = p0(3,0); // delta x to delta z - thorugh kz | |
2941 | matHk(2,6*sec1+2) = p0(0,0); // y to delta z - through psiz | |
2942 | // | |
2943 | matHk(0,6*sec0+4) = -1.; // delta y | |
2944 | matHk(1,6*sec0+0) = -1.; // delta ky | |
2945 | matHk(2,6*sec0+5) = -1.; // delta z | |
2946 | matHk(3,6*sec0+1) = -1.; // delta kz | |
2947 | matHk(0,6*sec0+3) = -p0(1,0); // delta x to delta y - through ky | |
2948 | matHk(2,6*sec0+3) = -p0(3,0); // delta x to delta z - thorugh kz | |
2949 | matHk(2,6*sec0+2) = -p0(0,0); // y to delta z - through psiz | |
2950 | ||
2951 | Int_t dsec = (sector1%18)-(sector0%18); | |
2952 | if (dsec<-2) dsec+=18; | |
2953 | if (TMath::Abs(dsec)==1){ | |
2954 | // | |
2955 | // Left right systematic fit part | |
2956 | // | |
2957 | Double_t dir = 0; | |
2958 | if (dsec>0) dir= 1.; | |
2959 | if (dsec<0) dir=-1.; | |
2960 | if (sector0>35&§or1>35){ | |
2961 | matHk(0,36*6+0)=dir; | |
2962 | matHk(1,36*6+3+0)=dir; | |
2963 | } | |
2964 | if (sector0<36&§or1<36){ | |
2965 | matHk(0,36*6+1)=dir; | |
2966 | matHk(1,36*6+3+1)=dir; | |
2967 | } | |
2968 | if (sector0<36&§or1>35){ | |
2969 | matHk(0,36*6+2)=dir; | |
2970 | matHk(1,36*6+3+2)=dir; | |
2971 | } | |
2972 | if (sector0>35&§or1<36){ | |
2973 | matHk(0,36*6+2)=-dir; | |
2974 | matHk(1,36*6+3+2)=-dir; | |
2975 | } | |
2976 | } | |
2977 | // | |
2978 | // | |
2979 | vecZk =(p1)-(p0); // measurement | |
2980 | measR =(c1)+(c0); // error of measurement | |
2981 | vecYk = vecZk-matHk*vecXk; // Innovation or measurement residual | |
2982 | // | |
2983 | // | |
2984 | matHkT=matHk.T(); matHk.T(); | |
2985 | matSk = (matHk*(covXk*matHkT))+measR; // Innovation (or residual) covariance | |
2986 | matSk.Invert(); | |
2987 | matKk = (covXk*matHkT)*matSk; // Optimal Kalman gain | |
2988 | vecXk += matKk*vecYk; // updated vector | |
2989 | covXk2= (mat1-(matKk*matHk)); | |
2990 | covXk = covXk2*covXk; | |
108953e9 | 2991 | |
774a5ee9 | 2992 | if (CheckCovariance(covXk)>0) return; |
6f387311 | 2993 | |
774a5ee9 | 2994 | // |
2995 | // | |
2996 | (*cOrig)=covXk; | |
2997 | (*vOrig)=vecXk; | |
2998 | } | |
6f387311 | 2999 | |
3000 | ||
774a5ee9 | 3001 | void AliTPCcalibAlign::UpdateKalman(TMatrixD &par0, TMatrixD &cov0, TMatrixD &par1, TMatrixD &cov1){ |
3002 | // | |
3003 | // Update kalman vector para0 with vector par1 | |
3004 | // Used for merging | |
3005 | // | |
3006 | Int_t nelem = 6*36+6; | |
3007 | static TMatrixD matHk(nelem,nelem); // vector to mesurement | |
3008 | static TMatrixD measR(nelem,nelem); // measurement error | |
3009 | static TMatrixD vecZk(nelem,1); // measurement | |
3010 | // | |
3011 | static TMatrixD vecYk(nelem,1); // Innovation or measurement residual | |
3012 | static TMatrixD matHkT(nelem,nelem); // helper matrix Hk transpose | |
3013 | static TMatrixD matSk(nelem,nelem); // Innovation (or residual) covariance | |
3014 | static TMatrixD matKk(nelem,nelem); // Optimal Kalman gain | |
3015 | static TMatrixD mat1(nelem,nelem); // update covariance matrix | |
3016 | static TMatrixD covXk2(nelem,nelem); // helper matrix | |
3017 | // | |
3018 | TMatrixD vecXk(par0); // X vector | |
3019 | TMatrixD covXk(cov0); // X covariance | |
3020 | ||
3021 | // | |
3022 | //Unit matrix | |
3023 | // | |
3024 | for (Int_t i=0;i<nelem;i++) | |
3025 | for (Int_t j=0;j<nelem;j++){ | |
3026 | mat1(i,j)=0; | |
3027 | if (i==j) mat1(i,j)=1; | |
3028 | } | |
3029 | matHk = mat1; // unit matrix | |
3030 | // | |
3031 | vecZk = par1; // measurement | |
3032 | measR = cov1; // error of measurement | |
3033 | vecYk = vecZk-matHk*vecXk; // Innovation or measurement residual | |
3034 | // | |
3035 | matHkT=matHk.T(); matHk.T(); | |
3036 | matSk = (matHk*(covXk*matHkT))+measR; // Innovation (or residual) covariance | |
3037 | matSk.Invert(); | |
3038 | matKk = (covXk*matHkT)*matSk; // Optimal Kalman gain | |
3039 | //matKk.Print(); | |
3040 | vecXk += matKk*vecYk; // updated vector | |
3041 | covXk2= (mat1-(matKk*matHk)); | |
3042 | covXk = covXk2*covXk; | |
3043 | // | |
3044 | CheckCovariance(cov0); | |
3045 | CheckCovariance(cov1); | |
3046 | CheckCovariance(covXk); | |
3047 | // | |
3048 | par0 = vecXk; // update measurement param | |
3049 | cov0 = covXk; // update measurement covar | |
3050 | } | |
6f387311 | 3051 | |
3052 | ||
6f387311 | 3053 | |
6f387311 | 3054 | |
774a5ee9 | 3055 | Int_t AliTPCcalibAlign::CheckCovariance(TMatrixD &covar){ |
3056 | // | |
3057 | // check the consistency of covariance matrix | |
3058 | // | |
3059 | Int_t ncols = covar.GetNcols(); | |
3060 | Int_t nrows= covar.GetNrows(); | |
3061 | const Float_t kEpsilon = 0.0001; | |
3062 | Int_t nerrors =0; | |
3063 | // | |
3064 | // | |
3065 | // | |
3066 | if (nrows!=ncols) { | |
3067 | printf("Error 0 - wrong matrix\n"); | |
3068 | nerrors++; | |
3069 | } | |
3070 | // | |
3071 | // 1. Check that the non diagonal elements | |
3072 | // | |
3073 | for (Int_t i0=0;i0<nrows;i0++) | |
3074 | for (Int_t i1=i0+1;i1<ncols;i1++){ | |
3075 | Double_t r0 = covar(i0,i1)/TMath::Sqrt(covar(i0,i0)*covar(i1,i1)); | |
3076 | Double_t r1 = covar(i1,i0)/TMath::Sqrt(covar(i0,i0)*covar(i1,i1)); | |
3077 | if (TMath::Abs(r0-r1)>kEpsilon){ | |
3078 | printf("Error 1 - non symetric matrix %d\t%d\t%f",i0,i1,r1-r0); | |
3079 | nerrors++; | |
3080 | } | |
3081 | if (TMath::Abs(r0)>=1){ | |
3082 | printf("Error 2 - Wrong correlation %d\t%d\t%f\n",i0,i1,r0); | |
3083 | nerrors++; | |
3084 | } | |
3085 | if (TMath::Abs(r1)>=1){ | |
3086 | printf("Error 3 - Wrong correlation %d\t%d\t%f\n",i0,i1,r1); | |
3087 | nerrors++; | |
3088 | } | |
3089 | } | |
3090 | return nerrors; | |
3091 | } | |
6f387311 | 3092 | |
3093 | ||
774a5ee9 | 3094 | |
3095 | void AliTPCcalibAlign::MakeReportDy(TFile *output){ | |
3096 | // | |
3097 | // Draw histogram of dY | |
3098 | // | |
3099 | Int_t kmicolors[10]={1,2,3,4,6,7,8,9,10,11}; | |
3100 | Int_t kmimarkers[10]={21,22,23,24,25,26,27,28,29,30}; | |
3101 | ||
3102 | AliTPCcalibAlign *align = this; | |
3103 | TVectorD vecOOP(36); | |
3104 | TVectorD vecOOM(36); | |
3105 | TVectorD vecOIP(36); | |
3106 | TVectorD vecOIM(36); | |
3107 | TVectorD vecOIS(36); | |
3108 | TVectorD vecSec(36); | |
3109 | TCanvas * cOROCdy = new TCanvas("OROC dy","OROC dy",900,600); | |
3110 | cOROCdy->Divide(6,6); | |
3111 | TCanvas * cIROCdy = new TCanvas("IROC dy","IROC dy",900,600); | |
3112 | cIROCdy->Divide(6,6); | |
3113 | TCanvas * cDy = new TCanvas("Dy","Dy",600,700); | |
3114 | cDy->Divide(1,2); | |
3115 | for (Int_t isec=0;isec<36;isec++){ | |
3116 | Bool_t isDraw=kFALSE; | |
3117 | vecSec(isec)=isec; | |
3118 | cOROCdy->cd(isec+1); | |
3119 | Int_t secPlus = (isec%18==17)? isec-17:isec+1; | |
3120 | Int_t secMinus= (isec%18==0) ? isec+17:isec-1; | |
3121 | printf("%d\t%d\t%d\n",isec,secPlus,secMinus); | |
3122 | TH1 * hisOOP= align->GetHisto(AliTPCcalibAlign::kY,isec+36,secPlus+36); | |
3123 | TH1 * hisOOM= align->GetHisto(AliTPCcalibAlign::kY,isec+36,secMinus+36); | |
3124 | TH1 * hisOIS= align->GetHisto(AliTPCcalibAlign::kY,isec+36,isec); | |
3125 | ||
3126 | if (hisOIS) { | |
3127 | hisOIS = (TH1F*)(hisOIS->Clone()); | |
3128 | hisOIS->SetDirectory(0); | |
3129 | hisOIS->Scale(1./(hisOIS->GetMaximum()+1)); | |
3130 | hisOIS->SetLineColor(kmicolors[0]); | |
3131 | hisOIS->Draw(); | |
3132 | isDraw = kTRUE; | |
3133 | vecOIS(isec)=10*hisOIS->GetMean(); | |
3134 | } | |
3135 | if (hisOOP) { | |
3136 | hisOOP = (TH1F*)(hisOOP->Clone()); | |
3137 | hisOOP->SetDirectory(0); | |
3138 | hisOOP->Scale(1./(hisOOP->GetMaximum()+1)); | |
3139 | hisOOP->SetLineColor(kmicolors[1]); | |
3140 | if (isDraw) hisOOP->Draw("same"); | |
3141 | if (!isDraw) {hisOOP->Draw(""); isDraw=kTRUE;} | |
3142 | vecOOP(isec)=10*hisOOP->GetMean(); | |
3143 | } | |
3144 | if (hisOOM) { | |
3145 | hisOOM = (TH1F*)(hisOOM->Clone()); | |
3146 | hisOOM->SetDirectory(0); | |
3147 | hisOOM->Scale(1/(hisOOM->GetMaximum()+1)); | |
3148 | hisOOM->SetLineColor(kmicolors[3]); | |
3149 | if (isDraw) hisOOM->Draw("same"); | |
3150 | if (!isDraw) {hisOOM->Draw(""); isDraw=kTRUE;} | |
3151 | vecOOM(isec)=10*hisOOM->GetMean(); | |
3152 | } | |
3153 | } | |
3154 | // | |
3155 | // | |
3156 | for (Int_t isec=0;isec<36;isec++){ | |
3157 | Bool_t isDraw=kFALSE; | |
3158 | cIROCdy->cd(isec+1); | |
3159 | Int_t secPlus = (isec%18==17)? isec-17:isec+1; | |
3160 | Int_t secMinus= (isec%18==0) ? isec+17:isec-1; | |
3161 | printf("%d\t%d\t%d\n",isec,secPlus,secMinus); | |
3162 | TH1 * hisOIP= align->GetHisto(AliTPCcalibAlign::kY,isec+36,secPlus); | |
3163 | TH1 * hisOIM= align->GetHisto(AliTPCcalibAlign::kY,isec+36,secMinus); | |
3164 | TH1 * hisOIS= align->GetHisto(AliTPCcalibAlign::kY,isec+36,isec); | |
3165 | if (hisOIS) { | |
3166 | hisOIS = (TH1F*)(hisOIS->Clone()); | |
3167 | hisOIS->SetDirectory(0); | |
3168 | hisOIS->Scale(1./(hisOIS->GetMaximum()+1)); | |
3169 | hisOIS->SetLineColor(kmicolors[0]); | |
3170 | hisOIS->Draw(); | |
3171 | isDraw = kTRUE; | |
3172 | vecOIS(isec)=10*hisOIS->GetMean(); | |
3173 | } | |
3174 | if (hisOIP) { | |
3175 | hisOIP = (TH1F*)(hisOIP->Clone()); | |
3176 | hisOIP->SetDirectory(0); | |
3177 | hisOIP->Scale(1./(hisOIP->GetMaximum()+1)); | |
3178 | hisOIP->SetLineColor(kmicolors[1]); | |
3179 | if (isDraw) hisOIP->Draw("same"); | |
3180 | if (!isDraw) {hisOIP->Draw(""); isDraw=kTRUE;} | |
3181 | hisOIP->Draw("same"); | |
3182 | vecOIP(isec)=10*hisOIP->GetMean(); | |
3183 | } | |
3184 | if (hisOIM) { | |
3185 | hisOIM = (TH1F*)(hisOIM->Clone()); | |
3186 | hisOIM->SetDirectory(0); | |
3187 | hisOIM->Scale(1/(hisOIM->GetMaximum()+1)); | |
3188 | hisOIM->SetLineColor(kmicolors[3]); | |
3189 | if (isDraw) hisOIM->Draw("same"); | |
3190 | if (!isDraw) {hisOIM->Draw(""); isDraw=kTRUE;} | |
3191 | vecOIM(isec)=10*hisOIM->GetMean(); | |
3192 | } | |
3193 | } | |
3194 | TGraph* grOIM = new TGraph(36,vecSec.GetMatrixArray(),vecOIM.GetMatrixArray()); | |
3195 | TGraph* grOIP = new TGraph(36,vecSec.GetMatrixArray(),vecOIP.GetMatrixArray()); | |
3196 | TGraph* grOIS = new TGraph(36,vecSec.GetMatrixArray(),vecOIS.GetMatrixArray()); | |
3197 | TGraph* grOOM = new TGraph(36,vecSec.GetMatrixArray(),vecOOM.GetMatrixArray()); | |
3198 | TGraph* grOOP = new TGraph(36,vecSec.GetMatrixArray(),vecOOP.GetMatrixArray()); | |
3199 | // | |
3200 | grOIS->SetMarkerStyle(kmimarkers[0]); | |
3201 | grOIP->SetMarkerStyle(kmimarkers[1]); | |
3202 | grOIM->SetMarkerStyle(kmimarkers[3]); | |
3203 | grOOP->SetMarkerStyle(kmimarkers[1]); | |
3204 | grOOM->SetMarkerStyle(kmimarkers[3]); | |
3205 | grOIS->SetMarkerColor(kmicolors[0]); | |
3206 | grOIP->SetMarkerColor(kmicolors[1]); | |
3207 | grOIM->SetMarkerColor(kmicolors[3]); | |
3208 | grOOP->SetMarkerColor(kmicolors[1]); | |
3209 | grOOM->SetMarkerColor(kmicolors[3]); | |
3210 | grOIS->SetLineColor(kmicolors[0]); | |
3211 | grOIP->SetLineColor(kmicolors[1]); | |
3212 | grOIM->SetLineColor(kmicolors[3]); | |
3213 | grOOP->SetLineColor(kmicolors[1]); | |
3214 | grOOM->SetLineColor(kmicolors[3]); | |
3215 | grOIS->SetMaximum(1.5); | |
3216 | grOIS->SetMinimum(-1.5); | |
3217 | grOIS->GetXaxis()->SetTitle("Sector number"); | |
3218 | grOIS->GetYaxis()->SetTitle("#Delta_{y} (mm)"); | |
3219 | ||
3220 | cDy->cd(1); | |
3221 | grOIS->Draw("apl"); | |
3222 | grOIM->Draw("pl"); | |
3223 | grOIP->Draw("pl"); | |
3224 | cDy->cd(2); | |
3225 | grOIS->Draw("apl"); | |
3226 | grOOM->Draw("pl"); | |
3227 | grOOP->Draw("pl"); | |
3228 | cOROCdy->SaveAs("picAlign/OROCOROCdy.eps"); | |
3229 | cOROCdy->SaveAs("picAlign/OROCOROCdy.gif"); | |
3230 | cOROCdy->SaveAs("picAlign/OROCOROCdy.root"); | |
3231 | // | |
3232 | cIROCdy->SaveAs("picAlign/OROCIROCdy.eps"); | |
3233 | cIROCdy->SaveAs("picAlign/OROCIROCdy.gif"); | |
3234 | cIROCdy->SaveAs("picAlign/OROCIROCdy.root"); | |
3235 | // | |
3236 | cDy->SaveAs("picAlign/Sectordy.eps"); | |
3237 | cDy->SaveAs("picAlign/Sectordy.gif"); | |
3238 | cDy->SaveAs("picAlign/Sectordy.root"); | |
3239 | if (output){ | |
3240 | output->cd(); | |
3241 | cOROCdy->Write("OROCOROCDy"); | |
3242 | cIROCdy->Write("OROCIROCDy"); | |
3243 | cDy->Write("SectorDy"); | |
3244 | } | |
6f387311 | 3245 | } |
774a5ee9 | 3246 | |
3247 | void AliTPCcalibAlign::MakeReportDyPhi(TFile */*output*/){ | |
3248 | // | |
3249 | // | |
3250 | // | |
3251 | Int_t kmicolors[10]={1,2,3,4,6,7,8,9,10,11}; | |
3252 | Int_t kmimarkers[10]={21,22,23,24,25,26,27,28,29,30}; | |
3253 | ||
3254 | AliTPCcalibAlign *align = this; | |
3255 | TCanvas * cOROCdyPhi = new TCanvas("OROC dyphi","OROC dyphi",900,600); | |
3256 | cOROCdyPhi->Divide(6,6); | |
3257 | for (Int_t isec=0;isec<36;isec++){ | |
3258 | cOROCdyPhi->cd(isec+1); | |
3259 | Int_t secPlus = (isec%18==17)? isec-17:isec+1; | |
3260 | Int_t secMinus= (isec%18==0) ? isec+17:isec-1; | |
3261 | //printf("%d\t%d\t%d\n",isec,secPlus,secMinus); | |
3262 | TH2F *htemp=0; | |
3263 | TProfile * profdyphiOOP=0,*profdyphiOOM=0,*profdyphiOOS=0; | |
3264 | htemp = (TH2F*) (align->GetHisto(AliTPCcalibAlign::kYPhi,isec+36,secPlus+36)); | |
3265 | if (htemp) profdyphiOOP= htemp->ProfileX(); | |
3266 | htemp = (TH2F*)(align->GetHisto(AliTPCcalibAlign::kYPhi,isec+36,secMinus+36)); | |
3267 | if (htemp) profdyphiOOM= htemp->ProfileX(); | |
3268 | htemp = (TH2F*)(align->GetHisto(AliTPCcalibAlign::kYPhi,isec+36,isec)); | |
3269 | if (htemp) profdyphiOOS= htemp->ProfileX(); | |
3270 | ||
3271 | if (profdyphiOOS){ | |
3272 | profdyphiOOS->SetLineColor(kmicolors[0]); | |
3273 | profdyphiOOS->SetMarkerStyle(kmimarkers[0]); | |
3274 | profdyphiOOS->SetMarkerSize(0.2); | |
3275 | profdyphiOOS->SetMaximum(0.5); | |
3276 | profdyphiOOS->SetMinimum(-0.5); | |
3277 | profdyphiOOS->SetXTitle("tan(#phi)"); | |
3278 | profdyphiOOS->SetYTitle("#DeltaY (cm)"); | |
3279 | } | |
3280 | if (profdyphiOOP){ | |
3281 | profdyphiOOP->SetLineColor(kmicolors[1]); | |
3282 | profdyphiOOP->SetMarkerStyle(kmimarkers[1]); | |
3283 | profdyphiOOP->SetMarkerSize(0.2); | |
3284 | } | |
3285 | if (profdyphiOOM){ | |
3286 | profdyphiOOM->SetLineColor(kmicolors[3]); | |
3287 | profdyphiOOM->SetMarkerStyle(kmimarkers[3]); | |
3288 | profdyphiOOM->SetMarkerSize(0.2); | |
3289 | } | |
3290 | if (profdyphiOOS){ | |
3291 | profdyphiOOS->Draw(); | |
3292 | }else{ | |
3293 | if (profdyphiOOM) profdyphiOOM->Draw(""); | |
3294 | if (profdyphiOOP) profdyphiOOP->Draw(""); | |
3295 | } | |
3296 | if (profdyphiOOM) profdyphiOOM->Draw("same"); | |
3297 | if (profdyphiOOP) profdyphiOOP->Draw("same"); | |
3298 | ||
3299 | } | |
6f387311 | 3300 | } |
3301 |