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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" |
b842d904 | 120 | #include "THnSparse.h" |
7eaa723e | 121 | #include "TVectorD.h" |
e149f26d | 122 | #include "TTreeStream.h" |
7eaa723e | 123 | #include "TFile.h" |
6f387311 | 124 | #include "TTree.h" |
e81dc112 | 125 | #include "TF1.h" |
8b3c60d8 | 126 | #include "TGraphErrors.h" |
967eae0d | 127 | #include "AliTPCclusterMI.h" |
128 | #include "AliTPCseed.h" | |
129 | #include "AliTracker.h" | |
130 | #include "TClonesArray.h" | |
1d82fc56 | 131 | #include "AliExternalComparison.h" |
774a5ee9 | 132 | #include "AliLog.h" |
133 | #include "TFile.h" | |
134 | #include "TProfile.h" | |
135 | #include "TCanvas.h" | |
9318a5b4 | 136 | |
8b3c60d8 | 137 | |
138 | #include "TTreeStream.h" | |
3326b323 | 139 | #include "Riostream.h" |
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), | |
774a5ee9 | 184 | fNoField(kFALSE), |
185 | fXIO(0), | |
186 | fXmiddle(0), | |
187 | fXquadrant(0), | |
188 | fArraySectorIntParam(36), // array of sector alignment parameters | |
189 | fArraySectorIntCovar(36), // array of sector alignment covariances | |
190 | // | |
191 | // Kalman filter for global alignment | |
192 | // | |
193 | fSectorParamA(0), // Kalman parameter for A side | |
194 | fSectorCovarA(0), // Kalman covariance for A side | |
195 | fSectorParamC(0), // Kalman parameter for A side | |
4de48bc7 | 196 | fSectorCovarC(0), // Kalman covariance for A side |
197 | fUseInnerOuter(kTRUE)// flag- use Inner Outer sector for left righ alignment | |
9318a5b4 | 198 | { |
199 | // | |
200 | // Constructor | |
201 | // | |
202 | for (Int_t i=0;i<72*72;++i) { | |
203 | fPoints[i]=0; | |
204 | } | |
774a5ee9 | 205 | AliTPCROC * roc = AliTPCROC::Instance(); |
206 | fXquadrant = roc->GetPadRowRadii(36,53); | |
207 | fXmiddle = ( roc->GetPadRowRadii(0,0)+roc->GetPadRowRadii(36,roc->GetNRows(36)-1))*0.5; | |
208 | fXIO = ( roc->GetPadRowRadii(0,roc->GetNRows(0)-1)+roc->GetPadRowRadii(36,0))*0.5; | |
b842d904 | 209 | fClusterDelta[0]=0; // cluster residuals |
210 | fClusterDelta[1]=0; // cluster residuals | |
211 | fClusterDelta[2]=0; // cluster residuals - vertex constrained | |
212 | fClusterDelta[3]=0; // cluster residuals | |
213 | fClusterDelta[4]=0; // cluster residuals - ITS constrained | |
214 | fClusterDelta[5]=0; // cluster residuals | |
60721370 | 215 | |
216 | ||
217 | fTrackletDelta[0]=0; // tracklet residuals | |
218 | fTrackletDelta[1]=0; // tracklet residuals | |
219 | fTrackletDelta[2]=0; // tracklet residuals | |
220 | fTrackletDelta[3]=0; // tracklet residuals | |
9318a5b4 | 221 | } |
222 | ||
e149f26d | 223 | AliTPCcalibAlign::AliTPCcalibAlign(const Text_t *name, const Text_t *title) |
224 | :AliTPCcalibBase(), | |
225 | fDphiHistArray(72*72), | |
226 | fDthetaHistArray(72*72), | |
227 | fDyHistArray(72*72), | |
228 | fDzHistArray(72*72), | |
bb6bc8f6 | 229 | fDyPhiHistArray(72*72), // array of residual histograms y -kYPhi |
230 | fDzThetaHistArray(72*72), // array of residual histograms z-z -kZTheta | |
231 | fDphiZHistArray(72*72), // array of residual histograms phi -kPhiz | |
232 | fDthetaZHistArray(72*72), // array of residual histograms theta -kThetaz | |
233 | fDyZHistArray(72*72), // array of residual histograms y -kYz | |
6f387311 | 234 | fDzZHistArray(72*72), // array of residual histograms z -kZz // |
e149f26d | 235 | fFitterArray12(72*72), |
236 | fFitterArray9(72*72), | |
6f387311 | 237 | fFitterArray6(72*72), |
238 | fMatrixArray12(72*72), | |
239 | fMatrixArray9(72*72), | |
1d82fc56 | 240 | fMatrixArray6(72*72), |
241 | fCombinedMatrixArray6(72), | |
774a5ee9 | 242 | fNoField(kFALSE), |
243 | fXIO(0), | |
244 | fXmiddle(0), | |
245 | fXquadrant(0), | |
246 | fArraySectorIntParam(36), // array of sector alignment parameters | |
247 | fArraySectorIntCovar(36), // array of sector alignment covariances | |
248 | // | |
249 | // Kalman filter for global alignment | |
250 | // | |
251 | fSectorParamA(0), // Kalman parameter for A side | |
252 | fSectorCovarA(0), // Kalman covariance for A side | |
253 | fSectorParamC(0), // Kalman parameter for A side | |
4de48bc7 | 254 | fSectorCovarC(0), // Kalman covariance for A side |
255 | fUseInnerOuter(kTRUE)// flag- use Inner Outer sector for left righ alignment | |
256 | ||
e149f26d | 257 | { |
258 | // | |
259 | // Constructor | |
260 | // | |
261 | SetName(name); | |
262 | SetTitle(title); | |
263 | for (Int_t i=0;i<72*72;++i) { | |
264 | fPoints[i]=0; | |
265 | } | |
774a5ee9 | 266 | AliTPCROC * roc = AliTPCROC::Instance(); |
267 | fXquadrant = roc->GetPadRowRadii(36,53); | |
268 | fXmiddle = ( roc->GetPadRowRadii(0,0)+roc->GetPadRowRadii(36,roc->GetNRows(36)-1))*0.5; | |
269 | fXIO = ( roc->GetPadRowRadii(0,roc->GetNRows(0)-1)+roc->GetPadRowRadii(36,0))*0.5; | |
b842d904 | 270 | fClusterDelta[0]=0; // cluster residuals |
271 | fClusterDelta[1]=0; // cluster residuals | |
272 | fClusterDelta[2]=0; // cluster residuals - vertex constrained | |
273 | fClusterDelta[3]=0; // cluster residuals | |
274 | fClusterDelta[4]=0; // cluster residuals - ITS constrained | |
275 | fClusterDelta[5]=0; // cluster residuals | |
276 | ||
60721370 | 277 | fTrackletDelta[0]=0; // tracklet residuals |
278 | fTrackletDelta[1]=0; // tracklet residuals | |
279 | fTrackletDelta[2]=0; // tracklet residuals | |
280 | fTrackletDelta[3]=0; // tracklet residuals | |
e149f26d | 281 | } |
282 | ||
bb6bc8f6 | 283 | |
284 | AliTPCcalibAlign::AliTPCcalibAlign(const AliTPCcalibAlign &align) | |
285 | :AliTPCcalibBase(align), | |
286 | fDphiHistArray(align.fDphiHistArray), | |
287 | fDthetaHistArray(align.fDthetaHistArray), | |
288 | fDyHistArray(align.fDyHistArray), | |
289 | fDzHistArray(align.fDzHistArray), | |
290 | fDyPhiHistArray(align.fDyPhiHistArray), // array of residual histograms y -kYPhi | |
291 | fDzThetaHistArray(align.fDzThetaHistArray), // array of residual histograms z-z -kZTheta | |
292 | fDphiZHistArray(align.fDphiZHistArray), // array of residual histograms phi -kPhiz | |
293 | fDthetaZHistArray(align.fDthetaZHistArray), // array of residual histograms theta -kThetaz | |
294 | fDyZHistArray(align.fDyZHistArray), // array of residual histograms y -kYz | |
295 | fDzZHistArray(align.fDzZHistArray), // array of residual histograms z -kZz | |
296 | // | |
297 | fFitterArray12(align.fFitterArray12), | |
298 | fFitterArray9(align.fFitterArray9), | |
6f387311 | 299 | fFitterArray6(align.fFitterArray6), |
300 | ||
301 | fMatrixArray12(align.fMatrixArray12), | |
302 | fMatrixArray9(align.fMatrixArray9), | |
1d82fc56 | 303 | fMatrixArray6(align.fMatrixArray6), |
304 | fCombinedMatrixArray6(align.fCombinedMatrixArray6), | |
774a5ee9 | 305 | fNoField(align.fNoField), |
306 | fXIO(align.fXIO), | |
307 | fXmiddle(align.fXmiddle), | |
308 | fXquadrant(align.fXquadrant), | |
309 | fArraySectorIntParam(align.fArraySectorIntParam), // array of sector alignment parameters | |
310 | fArraySectorIntCovar(align.fArraySectorIntCovar), // array of sector alignment covariances | |
311 | fSectorParamA(0), // Kalman parameter for A side | |
312 | fSectorCovarA(0), // Kalman covariance for A side | |
313 | fSectorParamC(0), // Kalman parameter for A side | |
4de48bc7 | 314 | fSectorCovarC(0), // Kalman covariance for A side |
315 | fUseInnerOuter(kTRUE)// flag- use Inner Outer sector for left righ alignment | |
316 | ||
bb6bc8f6 | 317 | { |
318 | // | |
319 | // copy constructor - copy also the content | |
320 | // | |
321 | TH1 * his = 0; | |
322 | TObjArray * arr0=0; | |
323 | const TObjArray *arr1=0; | |
324 | for (Int_t index =0; index<72*72; index++){ | |
325 | for (Int_t iarray=0;iarray<10; iarray++){ | |
326 | if (iarray==kY){ | |
327 | arr0 = &fDyHistArray; | |
328 | arr1 = &align.fDyHistArray; | |
329 | } | |
330 | if (iarray==kZ){ | |
331 | arr0 = &fDzHistArray; | |
332 | arr1 = &align.fDzHistArray; | |
333 | } | |
334 | if (iarray==kPhi){ | |
335 | arr0 = &fDphiHistArray; | |
336 | arr1 = &align.fDphiHistArray; | |
337 | } | |
338 | if (iarray==kTheta){ | |
339 | arr0 = &fDthetaHistArray; | |
340 | arr1 = &align.fDthetaHistArray; | |
341 | } | |
342 | if (iarray==kYz){ | |
343 | arr0 = &fDyZHistArray; | |
344 | arr1 = &align.fDyZHistArray; | |
345 | } | |
346 | if (iarray==kZz){ | |
347 | arr0 = &fDzZHistArray; | |
348 | arr1 = &align.fDzZHistArray; | |
349 | } | |
350 | if (iarray==kPhiZ){ | |
351 | arr0 = &fDphiZHistArray; | |
352 | arr1 = &align.fDphiZHistArray; | |
353 | } | |
354 | if (iarray==kThetaZ){ | |
355 | arr0 = &fDthetaZHistArray; | |
356 | arr1 = &align.fDthetaZHistArray; | |
357 | } | |
358 | ||
359 | if (iarray==kYPhi){ | |
360 | arr0 = &fDyPhiHistArray; | |
361 | arr1 = &align.fDyPhiHistArray; | |
362 | } | |
363 | if (iarray==kZTheta){ | |
364 | arr0 = &fDzThetaHistArray; | |
365 | arr1 = &align.fDzThetaHistArray; | |
366 | } | |
367 | ||
368 | if (arr1->At(index)) { | |
369 | his = (TH1*)arr1->At(index)->Clone(); | |
370 | his->SetDirectory(0); | |
371 | arr0->AddAt(his,index); | |
372 | } | |
373 | } | |
374 | } | |
774a5ee9 | 375 | // |
376 | // | |
377 | // | |
378 | if (align.fSectorParamA){ | |
379 | fSectorParamA = (TMatrixD*)align.fSectorParamA->Clone(); | |
380 | fSectorParamA = (TMatrixD*)align.fSectorCovarA->Clone(); | |
381 | fSectorParamC = (TMatrixD*)align.fSectorParamA->Clone(); | |
382 | fSectorParamC = (TMatrixD*)align.fSectorCovarA->Clone(); | |
383 | } | |
b842d904 | 384 | fClusterDelta[0]=0; // cluster residuals |
385 | fClusterDelta[1]=0; // cluster residuals | |
386 | fClusterDelta[2]=0; // cluster residuals - vertex constrained | |
387 | fClusterDelta[3]=0; // cluster residuals | |
388 | fClusterDelta[4]=0; // cluster residuals - ITS constrained | |
389 | fClusterDelta[5]=0; // cluster residuals | |
390 | ||
60721370 | 391 | fTrackletDelta[0]=0; // tracklet residuals |
392 | fTrackletDelta[1]=0; // tracklet residuals | |
393 | fTrackletDelta[2]=0; // tracklet residuals | |
394 | fTrackletDelta[3]=0; // tracklet residuals | |
bb6bc8f6 | 395 | } |
396 | ||
397 | ||
9318a5b4 | 398 | AliTPCcalibAlign::~AliTPCcalibAlign() { |
399 | // | |
400 | // destructor | |
401 | // | |
774a5ee9 | 402 | fDphiHistArray.SetOwner(kTRUE); // array of residual histograms phi -kPhi |
403 | fDthetaHistArray.SetOwner(kTRUE); // array of residual histograms theta -kTheta | |
404 | fDyHistArray.SetOwner(kTRUE); // array of residual histograms y -kY | |
405 | fDzHistArray.SetOwner(kTRUE); // array of residual histograms z -kZ | |
406 | // | |
407 | fDyPhiHistArray.SetOwner(kTRUE); // array of residual histograms y -kYPhi | |
408 | fDzThetaHistArray.SetOwner(kTRUE); // array of residual histograms z-z -kZTheta | |
409 | // | |
410 | fDphiZHistArray.SetOwner(kTRUE); // array of residual histograms phi -kPhiz | |
411 | fDthetaZHistArray.SetOwner(kTRUE); // array of residual histograms theta -kThetaz | |
412 | fDyZHistArray.SetOwner(kTRUE); // array of residual histograms y -kYz | |
413 | fDzZHistArray.SetOwner(kTRUE); // array of residual histograms z -kZz | |
414 | ||
415 | fDphiHistArray.Delete(); // array of residual histograms phi -kPhi | |
416 | fDthetaHistArray.Delete(); // array of residual histograms theta -kTheta | |
417 | fDyHistArray.Delete(); // array of residual histograms y -kY | |
418 | fDzHistArray.Delete(); // array of residual histograms z -kZ | |
419 | // | |
420 | fDyPhiHistArray.Delete(); // array of residual histograms y -kYPhi | |
421 | fDzThetaHistArray.Delete(); // array of residual histograms z-z -kZTheta | |
422 | // | |
423 | fDphiZHistArray.Delete(); // array of residual histograms phi -kPhiz | |
424 | fDthetaZHistArray.Delete(); // array of residual histograms theta -kThetaz | |
425 | fDyZHistArray.Delete(); // array of residual histograms y -kYz | |
426 | fDzZHistArray.Delete(); // array of residual histograms z -kZz | |
427 | ||
428 | fFitterArray12.SetOwner(kTRUE); // array of fitters | |
429 | fFitterArray9.SetOwner(kTRUE); // array of fitters | |
430 | fFitterArray6.SetOwner(kTRUE); // array of fitters | |
431 | // | |
432 | fMatrixArray12.SetOwner(kTRUE); // array of transnformtation matrix | |
433 | fMatrixArray9.SetOwner(kTRUE); // array of transnformtation matrix | |
434 | fMatrixArray6.SetOwner(kTRUE); // array of transnformtation matrix | |
435 | // | |
436 | fFitterArray12.Delete(); // array of fitters | |
437 | fFitterArray9.Delete(); // array of fitters | |
438 | fFitterArray6.Delete(); // array of fitters | |
439 | // | |
440 | fMatrixArray12.Delete(); // array of transnformtation matrix | |
441 | fMatrixArray9.Delete(); // array of transnformtation matrix | |
442 | fMatrixArray6.Delete(); // array of transnformtation matrix | |
443 | ||
774a5ee9 | 444 | |
445 | fArraySectorIntParam.SetOwner(kTRUE); // array of sector alignment parameters | |
446 | fArraySectorIntCovar.SetOwner(kTRUE); // array of sector alignment covariances | |
447 | fArraySectorIntParam.Delete(); // array of sector alignment parameters | |
448 | fArraySectorIntCovar.Delete(); // array of sector alignment covariances | |
b842d904 | 449 | for (Int_t i=0; i<6; i++){ |
450 | delete fClusterDelta[i]; // cluster residuals | |
451 | } | |
60721370 | 452 | |
453 | for (Int_t i=0; i<4; i++){ | |
454 | delete fTrackletDelta[i]; // tracklet residuals | |
455 | } | |
456 | ||
457 | ||
9318a5b4 | 458 | } |
459 | ||
774a5ee9 | 460 | void AliTPCcalibAlign::Process(AliESDEvent *event) { |
461 | // | |
462 | // Process pairs of cosmic tracks | |
463 | // | |
b842d904 | 464 | if (!fClusterDelta[0]) MakeResidualHistos(); |
60721370 | 465 | if (!fTrackletDelta[0]) MakeResidualHistosTracklet(); |
b842d904 | 466 | // |
467 | fCurrentEvent=event; | |
4de48bc7 | 468 | ExportTrackPoints(event); // export track points for external calibration |
b842d904 | 469 | const Int_t kMaxTracks =6; |
774a5ee9 | 470 | const Int_t kminCl = 40; |
3326b323 | 471 | AliESDfriend *eESDfriend=static_cast<AliESDfriend*>(event->FindListObject("AliESDfriend")); |
472 | if (!eESDfriend) return; | |
774a5ee9 | 473 | Int_t ntracks=event->GetNumberOfTracks(); |
474 | Float_t dca0[2]; | |
475 | Float_t dca1[2]; | |
476 | // | |
477 | // | |
b842d904 | 478 | // process seeds |
774a5ee9 | 479 | // |
b842d904 | 480 | for (Int_t i0=0;i0<ntracks;++i0) { |
481 | AliESDtrack *track0 = event->GetTrack(i0); | |
482 | AliESDfriendTrack *friendTrack = 0; | |
483 | TObject *calibObject=0; | |
b7c5eb40 | 484 | AliTPCseed *seed0 = 0; |
b842d904 | 485 | // |
3326b323 | 486 | friendTrack = (AliESDfriendTrack *)eESDfriend->GetTrack(i0);; |
b9908d0b | 487 | if (!friendTrack) continue; |
b842d904 | 488 | for (Int_t l=0;(calibObject=friendTrack->GetCalibObject(l));++l) { |
489 | if ((seed0=dynamic_cast<AliTPCseed*>(calibObject))) break; | |
490 | } | |
491 | if (!seed0) continue; | |
492 | fCurrentTrack=track0; | |
493 | fCurrentSeed=seed0; | |
494 | fCurrentEvent=event; | |
495 | ProcessSeed(seed0); | |
496 | } | |
497 | // | |
498 | // process cosmic pairs | |
774a5ee9 | 499 | // |
500 | if (ntracks>kMaxTracks) return; | |
501 | // | |
502 | //select pairs - for alignment | |
503 | for (Int_t i0=0;i0<ntracks;++i0) { | |
504 | AliESDtrack *track0 = event->GetTrack(i0); | |
505 | // if (track0->GetTPCNcls()<kminCl) continue; | |
506 | track0->GetImpactParameters(dca0[0],dca0[1]); | |
507 | // if (TMath::Abs(dca0[0])>30) continue; | |
508 | // | |
509 | for (Int_t i1=0;i1<ntracks;++i1) { | |
510 | if (i0==i1) continue; | |
511 | AliESDtrack *track1 = event->GetTrack(i1); | |
512 | // if (track1->GetTPCNcls()<kminCl) continue; | |
513 | track1->GetImpactParameters(dca1[0],dca1[1]); | |
514 | // fast cuts on dca and theta | |
515 | // if (TMath::Abs(dca1[0]+dca0[0])>15) continue; | |
516 | // if (TMath::Abs(dca1[1]-dca0[1])>15) continue; | |
b842d904 | 517 | if (TMath::Abs(track0->GetParameter()[3]+track1->GetParameter()[3])>0.1) continue; |
774a5ee9 | 518 | // |
519 | AliESDfriendTrack *friendTrack = 0; | |
520 | TObject *calibObject=0; | |
521 | AliTPCseed *seed0 = 0,*seed1=0; | |
522 | // | |
3326b323 | 523 | friendTrack = (AliESDfriendTrack *)eESDfriend->GetTrack(i0);; |
b9908d0b | 524 | if (!friendTrack) continue; |
774a5ee9 | 525 | for (Int_t l=0;(calibObject=friendTrack->GetCalibObject(l));++l) { |
526 | if ((seed0=dynamic_cast<AliTPCseed*>(calibObject))) break; | |
527 | } | |
3326b323 | 528 | friendTrack = (AliESDfriendTrack *)eESDfriend->GetTrack(i1);; |
b9908d0b | 529 | if (!friendTrack) continue; |
774a5ee9 | 530 | for (Int_t l=0;(calibObject=friendTrack->GetCalibObject(l));++l) { |
531 | if ((seed1=dynamic_cast<AliTPCseed*>(calibObject))) break; | |
532 | } | |
774a5ee9 | 533 | if (!seed0) continue; |
b842d904 | 534 | // |
535 | // | |
774a5ee9 | 536 | if (!seed1) continue; |
537 | Int_t nclsectors0[72], nclsectors1[72]; | |
538 | for (Int_t isec=0;isec<72;isec++){ | |
539 | nclsectors0[isec]=0; | |
540 | nclsectors1[isec]=0; | |
541 | } | |
542 | for (Int_t i=0;i<160;i++){ | |
543 | AliTPCclusterMI *c0=seed0->GetClusterPointer(i); | |
544 | AliTPCclusterMI *c1=seed1->GetClusterPointer(i); | |
545 | if (c0) nclsectors0[c0->GetDetector()]+=1; | |
546 | if (c1) nclsectors1[c1->GetDetector()]+=1; | |
547 | } | |
548 | ||
549 | for (Int_t isec0=0; isec0<72;isec0++){ | |
550 | if (nclsectors0[isec0]<kminCl) continue; | |
551 | for (Int_t isec1=0; isec1<72;isec1++){ | |
552 | if (nclsectors1[isec1]<kminCl) continue; | |
553 | Int_t s0 = isec0; | |
554 | Int_t s1 = isec1; | |
555 | Double_t parLine0[10]; | |
556 | Double_t parLine1[10]; | |
557 | TMatrixD par0(4,1),cov0(4,4),par1(4,1),cov1(4,4); | |
4de48bc7 | 558 | Bool_t useInnerOuter = kFALSE; |
559 | if (s1%36!=s0%36) useInnerOuter = fUseInnerOuter; // for left - right alignment both sectors refit can be used if specified | |
560 | Int_t nl0 = RefitLinear(seed0,s0, parLine0, s0,par0,cov0,fXIO,useInnerOuter); | |
561 | Int_t nl1 = RefitLinear(seed1,s1, parLine1, s0,par1,cov1,fXIO,useInnerOuter); | |
774a5ee9 | 562 | parLine0[0]=0; // reference frame in IO boundary |
563 | parLine1[0]=0; | |
564 | // if (nl0<kminCl || nl1<kminCl) continue; | |
565 | // | |
566 | // | |
567 | Bool_t isOK=kTRUE; | |
568 | if (TMath::Min(nl0,nl1)<kminCl) isOK=kFALSE; | |
569 | // apply selection criteria | |
570 | // | |
571 | Float_t dp0,dp1,dp3; | |
572 | Float_t pp0,pp1,pp3; | |
573 | dp0=par0(0,0)-par1(0,0); | |
574 | dp1=par0(1,0)-par1(1,0); | |
575 | dp3=par0(3,0)-par1(3,0); | |
576 | pp0=dp0/TMath::Sqrt(cov0(0,0)+cov1(0,0)+0.1*0.1); | |
577 | pp1=dp1/TMath::Sqrt(cov0(1,1)+cov1(1,1)+0.0015*0.0015); | |
578 | pp3=dp3/TMath::Sqrt(cov0(3,3)+cov1(3,3)+0.0015*0.0015); | |
579 | // | |
580 | if (TMath::Abs(dp0)>1.0) isOK=kFALSE; | |
581 | if (TMath::Abs(dp1)>0.02) isOK=kFALSE; | |
582 | if (TMath::Abs(dp3)>0.02) isOK=kFALSE; | |
583 | if (TMath::Abs(pp0)>6) isOK=kFALSE; | |
584 | if (TMath::Abs(pp1)>6) isOK=kFALSE; | |
585 | if (TMath::Abs(pp3)>6) isOK=kFALSE; | |
586 | // | |
587 | if (isOK){ | |
588 | FillHisto(parLine0,parLine1,s0,s1); | |
589 | ProcessAlign(parLine0,parLine1,s0,s1); | |
590 | UpdateKalman(s0,s1,par0, cov0, par1, cov1); | |
591 | } | |
592 | if (fStreamLevel>0){ | |
593 | TTreeSRedirector *cstream = GetDebugStreamer(); | |
594 | if (cstream){ | |
595 | (*cstream)<<"cosmic"<< | |
596 | "isOK="<<isOK<< | |
597 | "s0="<<s0<< | |
598 | "s1="<<s1<< | |
599 | "nl0="<<nl0<< | |
600 | "nl1="<<nl1<< | |
601 | "p0.="<<&par0<< | |
602 | "p1.="<<&par1<< | |
603 | "c0.="<<&cov0<< | |
604 | "c1.="<<&cov1<< | |
605 | "\n"; | |
606 | } | |
607 | } | |
608 | } | |
609 | } | |
610 | } | |
611 | } | |
612 | } | |
613 | ||
4de48bc7 | 614 | void AliTPCcalibAlign::ExportTrackPoints(AliESDEvent *event){ |
615 | // | |
616 | // Export track points for alignment - calibration | |
617 | // export space points for pairs of tracks if possible | |
618 | // | |
3326b323 | 619 | AliESDfriend *eESDfriend=static_cast<AliESDfriend*>(event->FindListObject("AliESDfriend")); |
620 | if (!eESDfriend) return; | |
4de48bc7 | 621 | Int_t ntracks=event->GetNumberOfTracks(); |
b842d904 | 622 | Int_t kMaxTracks=4; // maximal number of tracks for cosmic pairs |
623 | Int_t kMinVertexTracks=5; // maximal number of tracks for vertex mesurement | |
624 | ||
4de48bc7 | 625 | //cuts |
626 | const Int_t kminCl = 60; | |
627 | const Int_t kminClSum = 120; | |
b842d904 | 628 | //const Double_t kDistY = 5; |
4de48bc7 | 629 | // const Double_t kDistZ = 40; |
630 | const Double_t kDistTh = 0.05; | |
b842d904 | 631 | const Double_t kDistThS = 0.002; |
4de48bc7 | 632 | const Double_t kDist1Pt = 0.1; |
b842d904 | 633 | const Double_t kMaxD0 =3; // max distance to the primary vertex |
634 | const Double_t kMaxD1 =5; // max distance to the primary vertex | |
635 | const AliESDVertex *tpcVertex = 0; | |
636 | // get the primary vertex TPC | |
637 | if (ntracks>kMinVertexTracks) { | |
638 | tpcVertex = event->GetPrimaryVertexSPD(); | |
639 | if (tpcVertex->GetNContributors()<kMinVertexTracks) tpcVertex=0; | |
640 | } | |
4de48bc7 | 641 | // |
642 | Float_t dca0[2]; | |
b842d904 | 643 | // Float_t dca1[2]; |
4de48bc7 | 644 | Int_t index0=0,index1=0; |
645 | // | |
646 | for (Int_t i0=0;i0<ntracks;++i0) { | |
647 | AliESDtrack *track0 = event->GetTrack(i0); | |
648 | if (!track0) continue; | |
649 | if ((track0->GetStatus() & AliESDtrack::kTPCrefit)==0) continue; | |
650 | if (track0->GetOuterParam()==0) continue; | |
b842d904 | 651 | if (track0->GetInnerParam()==0) continue; |
652 | if (TMath::Abs(track0->GetInnerParam()->GetSigned1Pt()-track0->GetOuterParam()->GetSigned1Pt())>kDist1Pt) continue; | |
653 | if (TMath::Abs(track0->GetInnerParam()->GetSigned1Pt())>kDist1Pt) continue; | |
654 | if (TMath::Abs(track0->GetInnerParam()->GetTgl()-track0->GetOuterParam()->GetTgl())>kDistThS) continue; | |
4de48bc7 | 655 | AliESDtrack *track1P = 0; |
656 | if (track0->GetTPCNcls()<kminCl) continue; | |
657 | track0->GetImpactParameters(dca0[0],dca0[1]); | |
658 | index0=i0; | |
659 | index1=-1; | |
660 | // | |
b842d904 | 661 | if (ntracks<kMaxTracks) for (Int_t i1=i0+1;i1<ntracks;++i1) { |
4de48bc7 | 662 | if (i0==i1) continue; |
663 | AliESDtrack *track1 = event->GetTrack(i1); | |
664 | if (!track1) continue; | |
665 | if ((track1->GetStatus() & AliESDtrack::kTPCrefit)==0) continue; | |
666 | if (track1->GetOuterParam()==0) continue; | |
b842d904 | 667 | if (track1->GetInnerParam()==0) continue; |
4de48bc7 | 668 | if (track1->GetTPCNcls()<kminCl) continue; |
b842d904 | 669 | if (TMath::Abs(track1->GetInnerParam()->GetSigned1Pt()-track1->GetOuterParam()->GetSigned1Pt())>kDist1Pt) continue; |
670 | if (TMath::Abs(track1->GetInnerParam()->GetTgl()-track1->GetOuterParam()->GetTgl())>kDistThS) continue; | |
671 | if (TMath::Abs(track1->GetInnerParam()->GetSigned1Pt())>kDist1Pt) continue; | |
672 | //track1->GetImpactParameters(dca1[0],dca1[1]); | |
4de48bc7 | 673 | //if (TMath::Abs(dca1[0]-dca0[0])>kDistY) continue; |
674 | //if (TMath::Abs(dca1[1]-dca0[1])>kDistZ) continue; | |
675 | if (TMath::Abs(track0->GetTgl()+track1->GetTgl())>kDistTh) continue; | |
676 | if (TMath::Abs(track0->GetSigned1Pt()+track1->GetSigned1Pt())>kDist1Pt) continue; | |
677 | track1P = track1; | |
678 | index1=i1; | |
679 | } | |
680 | AliESDfriendTrack *friendTrack = 0; | |
681 | TObject *calibObject=0; | |
682 | AliTPCseed *seed0 = 0,*seed1=0; | |
683 | // | |
3326b323 | 684 | friendTrack = (AliESDfriendTrack *)eESDfriend->GetTrack(index0);; |
b9908d0b | 685 | if (!friendTrack) continue; |
4de48bc7 | 686 | for (Int_t l=0;(calibObject=friendTrack->GetCalibObject(l));++l) { |
687 | if ((seed0=dynamic_cast<AliTPCseed*>(calibObject))) break; | |
688 | } | |
689 | if (index1>0){ | |
3326b323 | 690 | friendTrack = (AliESDfriendTrack *)eESDfriend->GetTrack(index1);; |
b9908d0b | 691 | if (!friendTrack) continue; |
4de48bc7 | 692 | for (Int_t l=0;(calibObject=friendTrack->GetCalibObject(l));++l) { |
693 | if ((seed1=dynamic_cast<AliTPCseed*>(calibObject))) break; | |
694 | } | |
695 | } | |
696 | // | |
697 | Int_t npoints=0, ncont=0; | |
698 | if (seed0) {npoints+=seed0->GetNumberOfClusters(); ncont++;} | |
699 | if (seed1) {npoints+=seed1->GetNumberOfClusters(); ncont++;} | |
700 | if (npoints<kminClSum) continue; | |
701 | Int_t cpoint=0; | |
702 | AliTrackPointArray array(npoints); | |
b842d904 | 703 | if (tpcVertex){ |
704 | Double_t dxyz[3]={0,0,0}; | |
705 | Double_t dc[6]={0,0,0}; | |
706 | tpcVertex->GetXYZ(dxyz); | |
707 | tpcVertex->GetCovarianceMatrix(dc); | |
708 | Float_t xyz[3]={dxyz[0],dxyz[1],dxyz[2]}; | |
709 | Float_t cov[6]={dc[0]+1,dc[1],dc[2]+1,dc[3],dc[4],dc[5]+100.}; | |
710 | AliTrackPoint point(xyz,cov,73); // add point to not existing volume | |
711 | Float_t dtpc[2],dcov[3]; | |
712 | track0->GetImpactParametersTPC(dtpc,dcov); | |
713 | if (TMath::Abs(dtpc[0])>kMaxD0) continue; | |
714 | if (TMath::Abs(dtpc[1])>kMaxD1) continue; | |
715 | } | |
716 | ||
4de48bc7 | 717 | if (seed0) for (Int_t icl = 0; icl<160; icl++){ |
718 | AliTPCclusterMI *cluster=seed0->GetClusterPointer(icl); | |
719 | if (!cluster) continue; | |
720 | Float_t xyz[3]; | |
721 | Float_t cov[6]; | |
722 | cluster->GetGlobalXYZ(xyz); | |
723 | cluster->GetGlobalCov(cov); | |
724 | AliTrackPoint point(xyz,cov,cluster->GetDetector()); | |
b842d904 | 725 | array.AddPoint(npoints, &point); |
4de48bc7 | 726 | if (cpoint>=npoints) continue; //shoul not happen |
727 | array.AddPoint(cpoint, &point); | |
728 | cpoint++; | |
729 | } | |
730 | if (seed1) for (Int_t icl = 0; icl<160; icl++){ | |
731 | AliTPCclusterMI *cluster=seed1->GetClusterPointer(icl); | |
732 | if (!cluster) continue; | |
733 | Float_t xyz[3]; | |
734 | Float_t cov[6]; | |
735 | cluster->GetGlobalXYZ(xyz); | |
736 | cluster->GetGlobalCov(cov); | |
737 | AliTrackPoint point(xyz,cov,cluster->GetDetector()); | |
738 | array.AddPoint(npoints, &point); | |
739 | if (cpoint>=npoints) continue; //shoul not happen | |
740 | array.AddPoint(cpoint, &point); | |
741 | cpoint++; | |
742 | } | |
743 | // | |
744 | // | |
745 | // | |
746 | TTreeSRedirector *cstream = GetDebugStreamer(); | |
747 | if (cstream){ | |
b842d904 | 748 | Bool_t isVertex=(tpcVertex)? kTRUE:kFALSE; |
749 | Double_t tof0=track0->GetTOFsignal(); | |
750 | Double_t tof1=(track1P) ? track1P->GetTOFsignal(): 0; | |
4de48bc7 | 751 | static AliExternalTrackParam dummy; |
752 | AliExternalTrackParam *p0In = &dummy; | |
753 | AliExternalTrackParam *p1In = &dummy; | |
754 | AliExternalTrackParam *p0Out = &dummy; | |
755 | AliExternalTrackParam *p1Out = &dummy; | |
b842d904 | 756 | AliESDVertex vdummy; |
757 | AliESDVertex *pvertex= (tpcVertex)? (AliESDVertex *)tpcVertex: &vdummy; | |
4de48bc7 | 758 | if (track0) { |
759 | p0In= new AliExternalTrackParam(*track0); | |
760 | p0Out=new AliExternalTrackParam(*(track0->GetOuterParam())); | |
761 | } | |
762 | if (track1P) { | |
763 | p1In= new AliExternalTrackParam(*track1P); | |
764 | p1Out=new AliExternalTrackParam(*(track1P->GetOuterParam())); | |
765 | } | |
766 | ||
767 | (*cstream)<<"trackPoints"<< | |
768 | "run="<<fRun<< // run number | |
769 | "event="<<fEvent<< // event number | |
770 | "time="<<fTime<< // time stamp of event | |
771 | "trigger="<<fTrigger<< // trigger | |
772 | "triggerClass="<<&fTriggerClass<< // trigger | |
773 | "mag="<<fMagF<< // magnetic field | |
b842d904 | 774 | "pvertex.="<<pvertex<< // vertex |
4de48bc7 | 775 | // |
b842d904 | 776 | "isVertex="<<isVertex<< // flag is with prim vertex |
777 | "tof0="<<tof0<< // tof signal 0 | |
778 | "tof1="<<tof1<< // tof signal 1 | |
779 | "seed0.="<<seed0<< // track info | |
4de48bc7 | 780 | "ntracks="<<ntracks<< // number of tracks |
781 | "ncont="<<ncont<< // number of contributors | |
782 | "p0In.="<<p0In<< // track parameters0 | |
783 | "p1In.="<<p1In<< // track parameters1 | |
784 | "p0Out.="<<p0Out<< // track parameters0 | |
785 | "p1Out.="<<p1Out<< // track parameters0 | |
786 | "p.="<<&array<< | |
787 | "\n"; | |
788 | } | |
789 | } | |
790 | } | |
791 | ||
774a5ee9 | 792 | |
793 | ||
794 | ||
b842d904 | 795 | void AliTPCcalibAlign::ProcessSeed(AliTPCseed *seed) { |
175d237b | 796 | // |
797 | // | |
798 | // | |
774a5ee9 | 799 | // make a kalman tracklets out of seed |
800 | // | |
e4042305 | 801 | TObjArray tracklets= |
802 | AliTPCTracklet::CreateTracklets(seed,AliTPCTracklet::kKalman, | |
774a5ee9 | 803 | kFALSE,20,4); |
e4042305 | 804 | tracklets.SetOwner(); |
774a5ee9 | 805 | Int_t ntracklets = tracklets.GetEntries(); |
806 | if (ntracklets<2) return; | |
807 | // | |
808 | // | |
809 | for (Int_t i1=0;i1<ntracklets;i1++) | |
810 | for (Int_t i2=0;i2<ntracklets;i2++){ | |
811 | if (i1==i2) continue; | |
812 | AliTPCTracklet *t1=static_cast<AliTPCTracklet*>(tracklets[i1]); | |
813 | AliTPCTracklet *t2=static_cast<AliTPCTracklet*>(tracklets[i2]); | |
814 | AliExternalTrackParam *common1=0,*common2=0; | |
815 | if (AliTPCTracklet::PropagateToMeanX(*t1,*t2,common1,common2)){ | |
4486a91f | 816 | ProcessTracklets(*common1,*common2,seed, t1->GetSector(),t2->GetSector()); |
774a5ee9 | 817 | UpdateAlignSector(seed,t1->GetSector()); |
818 | } | |
819 | delete common1; | |
820 | delete common2; | |
821 | } | |
e4042305 | 822 | } |
823 | ||
7eaa723e | 824 | void AliTPCcalibAlign::Analyze(){ |
825 | // | |
826 | // Analyze function | |
827 | // | |
828 | EvalFitters(); | |
829 | } | |
830 | ||
831 | ||
832 | void AliTPCcalibAlign::Terminate(){ | |
833 | // | |
834 | // Terminate function | |
835 | // call base terminate + Eval of fitters | |
836 | // | |
108953e9 | 837 | Info("AliTPCcalibAlign","Terminate"); |
7eaa723e | 838 | EvalFitters(); |
839 | AliTPCcalibBase::Terminate(); | |
840 | } | |
841 | ||
842 | ||
774a5ee9 | 843 | void AliTPCcalibAlign::UpdatePointCorrection(AliTPCPointCorrection * correction){ |
844 | // | |
845 | // Update point correction with alignment coefficients | |
846 | // | |
847 | for (Int_t isec=0;isec<36;isec++){ | |
848 | TMatrixD * matCorr = (TMatrixD*)(correction->fArraySectorIntParam.At(isec)); | |
849 | TMatrixD * matAlign = (TMatrixD*)(fArraySectorIntParam.At(isec)); | |
850 | TMatrixD * matAlignCovar = (TMatrixD*)(fArraySectorIntCovar.At(isec)); | |
851 | if (!matAlign) continue; | |
852 | if (!matCorr) { | |
853 | correction->fArraySectorIntParam.AddAt(matAlign->Clone(),isec); | |
854 | correction->fArraySectorIntCovar.AddAt(matAlignCovar->Clone(),isec); | |
855 | continue; | |
856 | } | |
857 | (*matCorr)+=(*matAlign); | |
858 | correction->fArraySectorIntCovar.AddAt(matAlignCovar->Clone(),isec); | |
859 | } | |
860 | // | |
861 | ||
862 | } | |
7eaa723e | 863 | |
864 | ||
e4042305 | 865 | void AliTPCcalibAlign::ProcessTracklets(const AliExternalTrackParam &tp1, |
866 | const AliExternalTrackParam &tp2, | |
967eae0d | 867 | const AliTPCseed * seed, |
e4042305 | 868 | Int_t s1,Int_t s2) { |
9318a5b4 | 869 | // |
870 | // Process function to fill fitters | |
871 | // | |
1d82fc56 | 872 | Double_t t1[10],t2[10]; |
774a5ee9 | 873 | Double_t &x1=t1[0], &y1=t1[1], &z1=t1[3], &dydx1=t1[2], &dzdx1=t1[4]; |
874 | Double_t &x2=t2[0], &y2=t2[1], &z2=t2[3], &dydx2=t2[2], &dzdx2=t2[4]; | |
9318a5b4 | 875 | x1 =tp1.GetX(); |
876 | y1 =tp1.GetY(); | |
877 | z1 =tp1.GetZ(); | |
878 | Double_t snp1=tp1.GetSnp(); | |
60e55aee | 879 | dydx1=snp1/TMath::Sqrt((1.-snp1)*(1.+snp1)); |
9318a5b4 | 880 | Double_t tgl1=tp1.GetTgl(); |
881 | // dz/dx = 1/(cos(theta)*cos(phi)) | |
60e55aee | 882 | dzdx1=tgl1/TMath::Sqrt((1.-snp1)*(1.+snp1)); |
7eaa723e | 883 | x2 =tp2.GetX(); |
9318a5b4 | 884 | y2 =tp2.GetY(); |
885 | z2 =tp2.GetZ(); | |
886 | Double_t snp2=tp2.GetSnp(); | |
60e55aee | 887 | dydx2=snp2/TMath::Sqrt((1.-snp2)*(1.+snp2)); |
9318a5b4 | 888 | Double_t tgl2=tp2.GetTgl(); |
60e55aee | 889 | dzdx2=tgl2/TMath::Sqrt((1.-snp2)*(1.+snp2)); |
774a5ee9 | 890 | |
7eaa723e | 891 | // |
774a5ee9 | 892 | // Kalman parameters |
7eaa723e | 893 | // |
774a5ee9 | 894 | t1[0]-=fXIO; |
895 | t2[0]-=fXIO; | |
896 | // errors | |
897 | t1[5]=0; t2[5]=0; | |
898 | t1[6]=TMath::Sqrt(tp1.GetSigmaY2()); | |
899 | t1[7]=TMath::Sqrt(tp1.GetSigmaSnp2()); | |
900 | t1[8]=TMath::Sqrt(tp1.GetSigmaZ2()); | |
901 | t1[9]=TMath::Sqrt(tp1.GetSigmaTgl2()); | |
902 | ||
903 | t2[6]=TMath::Sqrt(tp2.GetSigmaY2()); | |
904 | t2[7]=TMath::Sqrt(tp2.GetSigmaSnp2()); | |
905 | t2[8]=TMath::Sqrt(tp2.GetSigmaZ2()); | |
906 | t2[9]=TMath::Sqrt(tp2.GetSigmaTgl2()); | |
7eaa723e | 907 | // |
774a5ee9 | 908 | // linear parameters |
909 | // | |
910 | Double_t parLine1[10]; | |
911 | Double_t parLine2[10]; | |
912 | TMatrixD par1(4,1),cov1(4,4),par2(4,1),cov2(4,4); | |
4de48bc7 | 913 | Bool_t useInnerOuter = kFALSE; |
914 | if (s1%36!=s2%36) useInnerOuter = fUseInnerOuter; // for left - right alignment bot sectors refit can be used if specified | |
915 | Int_t nl1 = RefitLinear(seed,s1, parLine1, s1,par1,cov1,tp1.GetX(), useInnerOuter); | |
916 | Int_t nl2 = RefitLinear(seed,s2, parLine2, s1,par2,cov2,tp1.GetX(), useInnerOuter); | |
774a5ee9 | 917 | parLine1[0]=tp1.GetX()-fXIO; // parameters in IROC-OROC boundary |
918 | parLine2[0]=tp1.GetX()-fXIO; // parameters in IROC-OROC boundary | |
919 | // | |
920 | // | |
921 | // | |
922 | Int_t accept = AcceptTracklet(tp1,tp2); | |
923 | Int_t acceptLinear = AcceptTracklet(parLine1,parLine2); | |
60721370 | 924 | if (accept==0){ |
925 | FillHisto(&tp1,&tp2, s1,s2); | |
926 | FillHisto(&tp2,&tp1, s2,s1); | |
927 | } | |
928 | ||
929 | ||
1d82fc56 | 930 | if (fStreamLevel>1 && seed){ |
7eaa723e | 931 | TTreeSRedirector *cstream = GetDebugStreamer(); |
932 | if (cstream){ | |
933 | static TVectorD vec1(5); | |
934 | static TVectorD vec2(5); | |
774a5ee9 | 935 | static TVectorD vecL1(9); |
936 | static TVectorD vecL2(9); | |
7eaa723e | 937 | vec1.SetElements(t1); |
938 | vec2.SetElements(t2); | |
774a5ee9 | 939 | vecL1.SetElements(parLine1); |
940 | vecL2.SetElements(parLine2); | |
7eaa723e | 941 | AliExternalTrackParam *p1 = &((AliExternalTrackParam&)tp1); |
942 | AliExternalTrackParam *p2 = &((AliExternalTrackParam&)tp2); | |
943 | (*cstream)<<"Tracklet"<< | |
1d82fc56 | 944 | "accept="<<accept<< |
774a5ee9 | 945 | "acceptLinear="<<acceptLinear<< // accept linear tracklets |
108953e9 | 946 | "run="<<fRun<< // run number |
947 | "event="<<fEvent<< // event number | |
948 | "time="<<fTime<< // time stamp of event | |
949 | "trigger="<<fTrigger<< // trigger | |
774a5ee9 | 950 | "triggerClass="<<&fTriggerClass<< // trigger |
108953e9 | 951 | "mag="<<fMagF<< // magnetic field |
6f387311 | 952 | "isOK="<<accept<< // flag - used for alignment |
7eaa723e | 953 | "tp1.="<<p1<< |
954 | "tp2.="<<p2<< | |
955 | "v1.="<<&vec1<< | |
956 | "v2.="<<&vec2<< | |
957 | "s1="<<s1<< | |
958 | "s2="<<s2<< | |
774a5ee9 | 959 | "nl1="<<nl1<< // linear fit - n points |
960 | "nl2="<<nl2<< // linear fit - n points | |
961 | "vl1.="<<&vecL1<< // linear fits | |
962 | "vl2.="<<&vecL2<< // linear fits | |
7eaa723e | 963 | "\n"; |
964 | } | |
965 | } | |
774a5ee9 | 966 | if (TMath::Abs(fMagF)<0.005){ |
967 | // | |
968 | // use Linear fit | |
969 | // | |
970 | if (nl1>10 && nl2>10 &&(acceptLinear==0)){ | |
971 | if (seed) ProcessDiff(tp1,tp2, seed,s1,s2); | |
972 | if (TMath::Abs(parLine1[2])<0.8 &&TMath::Abs(parLine1[2])<0.8 ){ //angular cut | |
973 | FillHisto(parLine1,parLine2,s1,s2); | |
974 | ProcessAlign(parLine1,parLine2,s1,s2); | |
4486a91f | 975 | //UpdateKalman(s1,s2,par1, cov1, par2, cov2); - OBSOLETE to be removed - 50 % of time here |
774a5ee9 | 976 | } |
977 | } | |
978 | } | |
1d82fc56 | 979 | if (accept>0) return; |
8b3c60d8 | 980 | // |
981 | // fill resolution histograms - previous cut included | |
774a5ee9 | 982 | if (TMath::Abs(fMagF)>0.005){ |
983 | // | |
984 | // use Kalman if mag field | |
985 | // | |
986 | if (seed) ProcessDiff(tp1,tp2, seed,s1,s2); | |
987 | FillHisto(t1,t2,s1,s2); | |
988 | ProcessAlign(t1,t2,s1,s2); | |
989 | } | |
6f387311 | 990 | } |
991 | ||
992 | void AliTPCcalibAlign::ProcessAlign(Double_t * t1, | |
993 | Double_t * t2, | |
994 | Int_t s1,Int_t s2){ | |
995 | // | |
996 | // Do intersector alignment | |
8b3c60d8 | 997 | // |
b322e06a | 998 | //Process12(t1,t2,GetOrMakeFitter12(s1,s2)); |
999 | //Process9(t1,t2,GetOrMakeFitter9(s1,s2)); | |
7eaa723e | 1000 | Process6(t1,t2,GetOrMakeFitter6(s1,s2)); |
e81dc112 | 1001 | ++fPoints[GetIndex(s1,s2)]; |
9318a5b4 | 1002 | } |
1003 | ||
1d82fc56 | 1004 | void AliTPCcalibAlign::ProcessTree(TTree * chainTracklet, AliExternalComparison *comp){ |
6f387311 | 1005 | // |
1006 | // Process the debug streamer tree | |
1007 | // Possible to modify selection criteria | |
1008 | // Used with entry list | |
1009 | // | |
1010 | TTreeSRedirector * cstream = new TTreeSRedirector("aligndump.root"); | |
1011 | ||
1012 | AliTPCcalibAlign *align = this; | |
1013 | // | |
1014 | TVectorD * vec1 = 0; | |
1015 | TVectorD * vec2 = 0; | |
1d82fc56 | 1016 | AliExternalTrackParam * tp1 = 0; |
1017 | AliExternalTrackParam * tp2 = 0; | |
6f387311 | 1018 | Int_t s1 = 0; |
1d82fc56 | 1019 | Int_t s2 = 0; |
1020 | Int_t npoints =0; | |
6f387311 | 1021 | { |
1022 | Int_t entries=chainTracklet->GetEntries(); | |
1023 | for (Int_t i=0; i< entries; i++){ | |
1024 | chainTracklet->GetBranch("tp1.")->SetAddress(&tp1); | |
1025 | chainTracklet->GetBranch("tp2.")->SetAddress(&tp2); | |
1026 | chainTracklet->GetBranch("v1.")->SetAddress(&vec1); | |
1027 | chainTracklet->GetBranch("v2.")->SetAddress(&vec2); | |
1028 | chainTracklet->GetBranch("s1")->SetAddress(&s1); | |
1029 | chainTracklet->GetBranch("s2")->SetAddress(&s2); | |
1030 | chainTracklet->GetEntry(i); | |
1d82fc56 | 1031 | if (!vec1) continue; |
1032 | if (!vec2) continue; | |
1033 | if (!tp1) continue; | |
1034 | if (!tp2) continue; | |
1035 | if (!vec1->GetMatrixArray()) continue; | |
1036 | if (!vec2->GetMatrixArray()) continue; | |
1037 | // make a local copy | |
1038 | AliExternalTrackParam par1(*tp1); | |
1039 | AliExternalTrackParam par2(*tp2); | |
1040 | TVectorD svec1(*vec1); | |
1041 | TVectorD svec2(*vec2); | |
1042 | // | |
6f387311 | 1043 | if (s1==s2) continue; |
1d82fc56 | 1044 | if (i%100==0) printf("%d\t%d\t%d\t%d\t\n",i, npoints,s1,s2); |
1045 | AliExternalTrackParam cpar1(par1); | |
1046 | AliExternalTrackParam cpar2(par2); | |
1047 | Constrain1Pt(cpar1,par2,fNoField); | |
1048 | Constrain1Pt(cpar2,par1,fNoField); | |
1049 | Bool_t acceptComp = kFALSE; | |
1050 | if (comp) acceptComp=comp->AcceptPair(&par1,&par2); | |
1051 | if (comp) acceptComp&=comp->AcceptPair(&cpar1,&cpar2); | |
1052 | // | |
1053 | Int_t reject = align->AcceptTracklet(par1,par2); | |
1054 | Int_t rejectC =align->AcceptTracklet(cpar1,cpar2); | |
1055 | ||
1056 | if (1||fStreamLevel>0){ | |
6f387311 | 1057 | (*cstream)<<"Tracklet"<< |
6f387311 | 1058 | "s1="<<s1<< |
1059 | "s2="<<s2<< | |
1d82fc56 | 1060 | "reject="<<reject<< |
1061 | "rejectC="<<rejectC<< | |
1062 | "acceptComp="<<acceptComp<< | |
1063 | "tp1.="<<&par1<< | |
1064 | "tp2.="<<&par2<< | |
1065 | "ctp1.="<<&cpar1<< | |
1066 | "ctp2.="<<&cpar2<< | |
1067 | "v1.="<<&svec1<< | |
1068 | "v2.="<<&svec2<< | |
6f387311 | 1069 | "\n"; |
1070 | } | |
1d82fc56 | 1071 | // |
1072 | if (fNoField){ | |
1073 | // | |
1074 | // | |
1075 | } | |
1076 | if (acceptComp) comp->Process(&cpar1,&cpar2); | |
1077 | // | |
1078 | if (reject>0 || rejectC>0) continue; | |
1079 | npoints++; | |
1080 | align->ProcessTracklets(cpar1,cpar2,0,s1,s2); | |
1081 | align->ProcessTracklets(cpar2,cpar1,0,s2,s1); | |
6f387311 | 1082 | } |
1083 | } | |
1084 | delete cstream; | |
1085 | } | |
1086 | ||
1087 | ||
1d82fc56 | 1088 | Int_t AliTPCcalibAlign::AcceptTracklet(const AliExternalTrackParam &p1, |
3326b323 | 1089 | const AliExternalTrackParam &p2) const |
1090 | { | |
6f387311 | 1091 | |
1092 | // | |
1093 | // Accept pair of tracklets? | |
1094 | // | |
1095 | /* | |
1096 | // resolution cuts | |
1d82fc56 | 1097 | TCut cutS0("sqrt(tp2.fC[0]+tp1.fC[0])<0.2"); |
1098 | TCut cutS1("sqrt(tp2.fC[2]+tp1.fC[2])<0.2"); | |
1099 | TCut cutS2("sqrt(tp2.fC[5]+tp1.fC[5])<0.01"); | |
1100 | TCut cutS3("sqrt(tp2.fC[9]+tp1.fC[9])<0.01"); | |
1101 | TCut cutS4("sqrt(tp2.fC[14]+tp1.fC[14])<0.25"); | |
6f387311 | 1102 | TCut cutS=cutS0+cutS1+cutS2+cutS3+cutS4; |
1103 | // | |
1104 | // parameters matching cuts | |
1105 | TCut cutP0("abs(tp1.fP[0]-tp2.fP[0])<0.6"); | |
1106 | TCut cutP1("abs(tp1.fP[1]-tp2.fP[1])<0.6"); | |
1107 | TCut cutP2("abs(tp1.fP[2]-tp2.fP[2])<0.03"); | |
1108 | TCut cutP3("abs(tp1.fP[3]-tp2.fP[3])<0.03"); | |
1d82fc56 | 1109 | TCut cutP4("abs(tp1.fP[4]-tp2.fP[4])<0.5"); |
1110 | TCut cutPP4("abs(tp1.fP[4]-tp2.fP[4])/sqrt(tp2.fC[14]+tp1.fC[14])<3"); | |
1111 | TCut cutP=cutP0+cutP1+cutP2+cutP3+cutP4+cutPP4; | |
6f387311 | 1112 | */ |
1113 | // | |
1114 | // resolution cuts | |
1d82fc56 | 1115 | Int_t reject=0; |
6f387311 | 1116 | const Double_t *cp1 = p1.GetCovariance(); |
1117 | const Double_t *cp2 = p2.GetCovariance(); | |
1d82fc56 | 1118 | if (TMath::Sqrt(cp1[0]+cp2[0])>0.2) reject|=1;; |
1119 | if (TMath::Sqrt(cp1[2]+cp2[2])>0.2) reject|=2; | |
1120 | if (TMath::Sqrt(cp1[5]+cp2[5])>0.01) reject|=4; | |
1121 | if (TMath::Sqrt(cp1[9]+cp2[9])>0.01) reject|=8; | |
1122 | if (TMath::Sqrt(cp1[14]+cp2[14])>0.2) reject|=16; | |
6f387311 | 1123 | |
1124 | //parameters difference | |
1125 | const Double_t *tp1 = p1.GetParameter(); | |
1126 | const Double_t *tp2 = p2.GetParameter(); | |
1d82fc56 | 1127 | if (TMath::Abs(tp1[0]-tp2[0])>0.6) reject|=32; |
1128 | if (TMath::Abs(tp1[1]-tp2[1])>0.6) reject|=64; | |
1129 | if (TMath::Abs(tp1[2]-tp2[2])>0.03) reject|=128; | |
1130 | if (TMath::Abs(tp1[3]-tp2[3])>0.03) reject|=526; | |
1131 | if (TMath::Abs(tp1[4]-tp2[4])>0.4) reject|=1024; | |
1132 | if (TMath::Abs(tp1[4]-tp2[4])/TMath::Sqrt(cp1[14]+cp2[14])>4) reject|=2048; | |
1133 | ||
6f387311 | 1134 | // |
1d82fc56 | 1135 | if (TMath::Abs(tp2[1])>235) reject|=2*4096; |
1136 | ||
1137 | if (fNoField){ | |
1138 | ||
1139 | } | |
1140 | ||
1141 | return reject; | |
6f387311 | 1142 | } |
1143 | ||
1144 | ||
3326b323 | 1145 | Int_t AliTPCcalibAlign::AcceptTracklet(const Double_t *t1, const Double_t *t2) const |
1146 | { | |
774a5ee9 | 1147 | // |
1148 | // accept tracklet - | |
1149 | // dist cut + 6 sigma cut | |
1150 | // | |
1151 | Double_t dy = t2[1]-t1[1]; | |
1152 | Double_t dphi = t2[2]-t1[2]; | |
1153 | Double_t dz = t2[3]-t1[3]; | |
1154 | Double_t dtheta = t2[4]-t1[4]; | |
1155 | // | |
1156 | Double_t sy = TMath::Sqrt(t1[6]*t1[6]+t2[6]*t2[6]+0.05*0.05); | |
1157 | Double_t sdydx = TMath::Sqrt(t1[7]*t1[7]+t2[7]*t2[7]+0.001*0.001); | |
1158 | Double_t sz = TMath::Sqrt(t1[8]*t1[8]+t2[8]*t2[8]+0.05*0.05); | |
1159 | Double_t sdzdx = TMath::Sqrt(t1[9]*t1[9]+t2[9]*t2[9]+0.001*0.001); | |
1160 | // | |
1161 | Int_t reject=0; | |
1162 | if (TMath::Abs(dy)>1.) reject|=2; | |
1163 | if (TMath::Abs(dphi)>0.1) reject|=4; | |
1164 | if (TMath::Abs(dz)>1.) reject|=8; | |
1165 | if (TMath::Abs(dtheta)>0.1) reject|=16; | |
1166 | // | |
1167 | if (TMath::Abs(dy/sy)>6) reject|=32; | |
1168 | if (TMath::Abs(dphi/sdydx)>6) reject|=64; | |
1169 | if (TMath::Abs(dz/sz)>6) reject|=128; | |
1170 | if (TMath::Abs(dtheta/sdzdx)>6) reject|=256; | |
1171 | return reject; | |
1172 | } | |
1173 | ||
6f387311 | 1174 | |
967eae0d | 1175 | void AliTPCcalibAlign::ProcessDiff(const AliExternalTrackParam &t1, |
1176 | const AliExternalTrackParam &t2, | |
1177 | const AliTPCseed *seed, | |
1178 | Int_t s1,Int_t s2) | |
1179 | { | |
1180 | // | |
1181 | // Process local residuals function | |
1182 | // | |
1183 | TVectorD vecX(160); | |
1184 | TVectorD vecY(160); | |
1185 | TVectorD vecZ(160); | |
1186 | TVectorD vecClY(160); | |
1187 | TVectorD vecClZ(160); | |
1188 | TClonesArray arrCl("AliTPCclusterMI",160); | |
1189 | arrCl.ExpandCreateFast(160); | |
1190 | Int_t count1=0, count2=0; | |
1d82fc56 | 1191 | |
967eae0d | 1192 | for (Int_t i=0;i<160;++i) { |
1193 | AliTPCclusterMI *c=seed->GetClusterPointer(i); | |
1194 | vecX[i]=0; | |
1195 | vecY[i]=0; | |
1196 | vecZ[i]=0; | |
1197 | if (!c) continue; | |
1198 | AliTPCclusterMI & cl = (AliTPCclusterMI&) (*arrCl[i]); | |
1199 | if (c->GetDetector()!=s1 && c->GetDetector()!=s2) continue; | |
1200 | vecClY[i] = c->GetY(); | |
1201 | vecClZ[i] = c->GetZ(); | |
1202 | cl=*c; | |
1203 | const AliExternalTrackParam *par = (c->GetDetector()==s1)? &t1:&t2; | |
1204 | if (c->GetDetector()==s1) ++count1; | |
1205 | if (c->GetDetector()==s2) ++count2; | |
1206 | Double_t gxyz[3],xyz[3]; | |
1207 | t1.GetXYZ(gxyz); | |
1208 | Float_t bz = AliTracker::GetBz(gxyz); | |
1209 | par->GetYAt(c->GetX(), bz, xyz[1]); | |
1210 | par->GetZAt(c->GetX(), bz, xyz[2]); | |
1211 | vecX[i] = c->GetX(); | |
1212 | vecY[i]= xyz[1]; | |
1213 | vecZ[i]= xyz[2]; | |
1214 | } | |
1215 | // | |
1216 | // | |
774a5ee9 | 1217 | if (fStreamLevel>5 && count1>10 && count2>10){ |
967eae0d | 1218 | // |
1219 | // huge output - cluster residuals to be investigated | |
1220 | // | |
1221 | TTreeSRedirector *cstream = GetDebugStreamer(); | |
967eae0d | 1222 | AliExternalTrackParam *p1 = &((AliExternalTrackParam&)t1); |
1223 | AliExternalTrackParam *p2 = &((AliExternalTrackParam&)t2); | |
1c1a1176 | 1224 | /* |
1225 | ||
1226 | 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"); | |
1227 | ||
1228 | */ | |
1229 | ||
967eae0d | 1230 | if (cstream){ |
1231 | (*cstream)<<"Track"<< | |
108953e9 | 1232 | "run="<<fRun<< // run number |
1233 | "event="<<fEvent<< // event number | |
1234 | "time="<<fTime<< // time stamp of event | |
1235 | "trigger="<<fTrigger<< // trigger | |
774a5ee9 | 1236 | "triggerClass="<<&fTriggerClass<< // trigger |
108953e9 | 1237 | "mag="<<fMagF<< // magnetic field |
967eae0d | 1238 | "Cl.="<<&arrCl<< |
1239 | //"tp0.="<<p0<< | |
1240 | "tp1.="<<p1<< | |
1241 | "tp2.="<<p2<< | |
1242 | "vtX.="<<&vecX<< | |
1243 | "vtY.="<<&vecY<< | |
1244 | "vtZ.="<<&vecZ<< | |
1245 | "vcY.="<<&vecClY<< | |
1246 | "vcZ.="<<&vecClZ<< | |
1247 | "s1="<<s1<< | |
1248 | "s2="<<s2<< | |
1249 | "c1="<<count1<< | |
1250 | "c2="<<count2<< | |
1251 | "\n"; | |
1252 | } | |
1253 | } | |
1254 | } | |
1255 | ||
1256 | ||
1257 | ||
1258 | ||
7eaa723e | 1259 | void AliTPCcalibAlign::Process12(const Double_t *t1, |
1260 | const Double_t *t2, | |
3326b323 | 1261 | TLinearFitter *fitter) const |
1262 | { | |
9318a5b4 | 1263 | // x2 = a00*x1 + a01*y1 + a02*z1 + a03 |
1264 | // y2 = a10*x1 + a11*y1 + a12*z1 + a13 | |
1265 | // z2 = a20*x1 + a21*y1 + a22*z1 + a23 | |
1266 | // dydx2 = (a10 + a11*dydx1 + a12*dzdx1)/(a00 + a01*dydx1 + a02*dzdx1) | |
1267 | // dzdx2 = (a20 + a21*dydx1 + a22*dzdx1)/(a00 + a01*dydx1 + a02*dzdx1) | |
1268 | // | |
f8a2dcfb | 1269 | // a00 a01 a02 a03 p[0] p[1] p[2] p[9] |
1270 | // a10 a11 a12 a13 ==> p[3] p[4] p[5] p[10] | |
1271 | // a20 a21 a22 a23 p[6] p[7] p[8] p[11] | |
1272 | ||
1273 | ||
1274 | ||
774a5ee9 | 1275 | const Double_t &x1=t1[0], &y1=t1[1], &z1=t1[3], &dydx1=t1[2], &dzdx1=t1[4]; |
1276 | const Double_t /*&x2=t2[0],*/ &y2=t2[1], &z2=t2[3], &dydx2=t2[2], &dzdx2=t2[4]; | |
9318a5b4 | 1277 | |
1d82fc56 | 1278 | // |
774a5ee9 | 1279 | Double_t sy = TMath::Sqrt(t1[6]*t1[6]+t2[6]*t2[6]); |
1280 | Double_t sdydx = TMath::Sqrt(t1[7]*t1[7]+t2[7]*t2[7]); | |
1281 | Double_t sz = TMath::Sqrt(t1[8]*t1[8]+t2[8]*t2[8]); | |
1282 | Double_t sdzdx = TMath::Sqrt(t1[9]*t1[9]+t2[9]*t2[9]); | |
9318a5b4 | 1283 | |
1284 | Double_t p[12]; | |
1285 | Double_t value; | |
1286 | ||
1287 | // x2 = a00*x1 + a01*y1 + a02*z1 + a03 | |
1288 | // y2 = a10*x1 + a11*y1 + a12*z1 + a13 | |
1289 | // y2' = a10*x1 + a11*y1 + a12*z1 + a13 + (a01*y1 + a02*z1 + a03)*dydx2 | |
1290 | for (Int_t i=0; i<12;i++) p[i]=0.; | |
1291 | p[3+0] = x1; // a10 | |
1292 | p[3+1] = y1; // a11 | |
1293 | p[3+2] = z1; // a12 | |
1294 | p[9+1] = 1.; // a13 | |
1295 | p[0+1] = y1*dydx2; // a01 | |
1296 | p[0+2] = z1*dydx2; // a02 | |
1297 | p[9+0] = dydx2; // a03 | |
1298 | value = y2; | |
1299 | fitter->AddPoint(p,value,sy); | |
1300 | ||
1301 | // x2 = a00*x1 + a01*y1 + a02*z1 + a03 | |
1302 | // z2 = a20*x1 + a21*y1 + a22*z1 + a23 | |
1303 | // z2' = a20*x1 + a21*y1 + a22*z1 + a23 + (a01*y1 + a02*z1 + a03)*dzdx2; | |
1304 | for (Int_t i=0; i<12;i++) p[i]=0.; | |
1305 | p[6+0] = x1; // a20 | |
1306 | p[6+1] = y1; // a21 | |
1307 | p[6+2] = z1; // a22 | |
1308 | p[9+2] = 1.; // a23 | |
1309 | p[0+1] = y1*dzdx2; // a01 | |
1310 | p[0+2] = z1*dzdx2; // a02 | |
1311 | p[9+0] = dzdx2; // a03 | |
1312 | value = z2; | |
1313 | fitter->AddPoint(p,value,sz); | |
1314 | ||
1315 | // dydx2 = (a10 + a11*dydx1 + a12*dzdx1)/( a00 + a01*dydx1 + a02*dzdx1) | |
1316 | // (a10 + a11*dydx1 + a12*dzdx1) - (a00 + a01*dydx1 + a02*dzdx1)*dydx2 = 0 | |
1317 | for (Int_t i=0; i<12;i++) p[i]=0.; | |
1318 | p[3+0] = 1.; // a10 | |
1319 | p[3+1] = dydx1; // a11 | |
1320 | p[3+2] = dzdx1; // a12 | |
1321 | p[0+0] = -dydx2; // a00 | |
1322 | p[0+1] = -dydx1*dydx2; // a01 | |
1323 | p[0+2] = -dzdx1*dydx2; // a02 | |
1324 | value = 0.; | |
1325 | fitter->AddPoint(p,value,sdydx); | |
1326 | ||
1327 | // dzdx2 = (a20 + a21*dydx1 + a22*dzdx1)/( a00 + a01*dydx1 + a02*dzdx1) | |
1328 | // (a20 + a21*dydx1 + a22*dzdx1) - (a00 + a01*dydx1 + a02*dzdx1)*dzdx2 = 0 | |
1329 | for (Int_t i=0; i<12;i++) p[i]=0.; | |
1330 | p[6+0] = 1; // a20 | |
1331 | p[6+1] = dydx1; // a21 | |
1332 | p[6+2] = dzdx1; // a22 | |
1333 | p[0+0] = -dzdx2; // a00 | |
1334 | p[0+1] = -dydx1*dzdx2; // a01 | |
1335 | p[0+2] = -dzdx1*dzdx2; // a02 | |
1336 | value = 0.; | |
1337 | fitter->AddPoint(p,value,sdzdx); | |
1338 | } | |
1339 | ||
3326b323 | 1340 | void AliTPCcalibAlign::Process9(const Double_t * const t1, |
1341 | const Double_t * const t2, | |
1342 | TLinearFitter *fitter) const | |
1343 | { | |
9318a5b4 | 1344 | // x2 = a00*x1 + a01*y1 + a02*z1 + a03 |
1345 | // y2 = a10*x1 + a11*y1 + a12*z1 + a13 | |
1346 | // z2 = a20*x1 + a21*y1 + a22*z1 + a23 | |
1347 | // dydx2 = (a10 + a11*dydx1 + a12*dzdx1)/(a00 + a01*dydx1 + a02*dzdx1) | |
1348 | // dzdx2 = (a20 + a21*dydx1 + a22*dzdx1)/(a00 + a01*dydx1 + a02*dzdx1) | |
1349 | // | |
f8a2dcfb | 1350 | // a00 a01 a02 a03 1 p[0] p[1] p[6] |
1351 | // a10 a11 a12 a13 ==> p[2] 1 p[3] p[7] | |
1352 | // a20 a21 a21 a23 p[4] p[5] 1 p[8] | |
1353 | ||
1354 | ||
3326b323 | 1355 | const Double_t &x1=t1[0], &y1=t1[1], &z1=t1[3], &dydx1=t1[2], &dzdx1=t1[4]; |
1356 | const Double_t /*&x2=t2[0],*/ &y2=t2[1], &z2=t2[3], &dydx2=t2[2], &dzdx2=t2[4]; | |
1d82fc56 | 1357 | // |
774a5ee9 | 1358 | Double_t sy = TMath::Sqrt(t1[6]*t1[6]+t2[6]*t2[6]); |
1359 | Double_t sdydx = TMath::Sqrt(t1[7]*t1[7]+t2[7]*t2[7]); | |
1360 | Double_t sz = TMath::Sqrt(t1[8]*t1[8]+t2[8]*t2[8]); | |
1361 | Double_t sdzdx = TMath::Sqrt(t1[9]*t1[9]+t2[9]*t2[9]); | |
1362 | ||
f8a2dcfb | 1363 | // |
9318a5b4 | 1364 | Double_t p[12]; |
1365 | Double_t value; | |
1366 | ||
1367 | // x2 = a00*x1 + a01*y1 + a02*z1 + a03 | |
1368 | // y2 = a10*x1 + a11*y1 + a12*z1 + a13 | |
f8a2dcfb | 1369 | // y2' = a10*x1 + a11*y1 + a12*z1 + a13 + (a01*y1 + a02*z1 + a03)*dydx2 |
9318a5b4 | 1370 | for (Int_t i=0; i<12;i++) p[i]=0.; |
f8a2dcfb | 1371 | p[2] += x1; // a10 |
1372 | //p[] +=1; // a11 | |
1373 | p[3] += z1; // a12 | |
1374 | p[7] += 1; // a13 | |
1375 | p[0] += y1*dydx2; // a01 | |
1376 | p[1] += z1*dydx2; // a02 | |
1377 | p[6] += dydx2; // a03 | |
1378 | value = y2-y1; //-a11 | |
9318a5b4 | 1379 | fitter->AddPoint(p,value,sy); |
f8a2dcfb | 1380 | // |
9318a5b4 | 1381 | // x2 = a00*x1 + a01*y1 + a02*z1 + a03 |
1382 | // z2 = a20*x1 + a21*y1 + a22*z1 + a23 | |
f8a2dcfb | 1383 | // z2' = a20*x1 + a21*y1 + a22*z1 + a23 + (a01*y1 + a02*z1 + a03)*dzdx2; |
9318a5b4 | 1384 | for (Int_t i=0; i<12;i++) p[i]=0.; |
f8a2dcfb | 1385 | p[4] += x1; // a20 |
1386 | p[5] += y1; // a21 | |
1387 | //p[] += z1; // a22 | |
1388 | p[8] += 1.; // a23 | |
1389 | p[0] += y1*dzdx2; // a01 | |
1390 | p[1] += z1*dzdx2; // a02 | |
1391 | p[6] += dzdx2; // a03 | |
1392 | value = z2-z1; //-a22 | |
9318a5b4 | 1393 | fitter->AddPoint(p,value,sz); |
1394 | ||
1395 | // dydx2 = (a10 + a11*dydx1 + a12*dzdx1)/( a00 + a01*dydx1 + a02*dzdx1) | |
1396 | // (a10 + a11*dydx1 + a12*dzdx1) - (a00 + a01*dydx1 + a02*dzdx1)*dydx2 = 0 | |
1397 | for (Int_t i=0; i<12;i++) p[i]=0.; | |
f8a2dcfb | 1398 | p[2] += 1.; // a10 |
1399 | //p[] += dydx1; // a11 | |
1400 | p[3] += dzdx1; // a12 | |
1401 | //p[] += -dydx2; // a00 | |
1402 | p[0] += -dydx1*dydx2; // a01 | |
1403 | p[1] += -dzdx1*dydx2; // a02 | |
1404 | value = -dydx1+dydx2; // -a11 + a00 | |
9318a5b4 | 1405 | fitter->AddPoint(p,value,sdydx); |
1406 | ||
1407 | // dzdx2 = (a20 + a21*dydx1 + a22*dzdx1)/( a00 + a01*dydx1 + a02*dzdx1) | |
1408 | // (a20 + a21*dydx1 + a22*dzdx1) - (a00 + a01*dydx1 + a02*dzdx1)*dzdx2 = 0 | |
1409 | for (Int_t i=0; i<12;i++) p[i]=0.; | |
f8a2dcfb | 1410 | p[4] += 1; // a20 |
1411 | p[5] += dydx1; // a21 | |
1412 | //p[] += dzdx1; // a22 | |
1413 | //p[] += -dzdx2; // a00 | |
1414 | p[0] += -dydx1*dzdx2; // a01 | |
1415 | p[1] += -dzdx1*dzdx2; // a02 | |
1416 | value = -dzdx1+dzdx2; // -a22 + a00 | |
9318a5b4 | 1417 | fitter->AddPoint(p,value,sdzdx); |
1418 | } | |
1419 | ||
3326b323 | 1420 | void AliTPCcalibAlign::Process6(const Double_t *const t1, |
1421 | const Double_t *const t2, | |
1422 | TLinearFitter *fitter) const | |
1423 | { | |
9318a5b4 | 1424 | // x2 = 1 *x1 +-a01*y1 + 0 +a03 |
1425 | // y2 = a01*x1 + 1 *y1 + 0 +a13 | |
1426 | // z2 = a20*x1 + a21*y1 + 1 *z1 +a23 | |
1427 | // dydx2 = (a10 + a11*dydx1 + a12*dzdx1)/(a00 + a01*dydx1 + a02*dzdx1) | |
1428 | // dzdx2 = (a20 + a21*dydx1 + a22*dzdx1)/(a00 + a01*dydx1 + a02*dzdx1) | |
1429 | // | |
f8a2dcfb | 1430 | // a00 a01 a02 a03 1 -p[0] 0 p[3] |
1431 | // a10 a11 a12 a13 ==> p[0] 1 0 p[4] | |
1432 | // a20 a21 a21 a23 p[1] p[2] 1 p[5] | |
1433 | ||
3326b323 | 1434 | const Double_t &x1=t1[0], &y1=t1[1], &z1=t1[3], &dydx1=t1[2], &dzdx1=t1[4]; |
1435 | const Double_t /*&x2=t2[0],*/ &y2=t2[1], &z2=t2[3], &dydx2=t2[2], &dzdx2=t2[4]; | |
9318a5b4 | 1436 | |
1d82fc56 | 1437 | // |
774a5ee9 | 1438 | Double_t sy = TMath::Sqrt(t1[6]*t1[6]+t2[6]*t2[6]); |
1439 | Double_t sdydx = TMath::Sqrt(t1[7]*t1[7]+t2[7]*t2[7]); | |
1440 | Double_t sz = TMath::Sqrt(t1[8]*t1[8]+t2[8]*t2[8]); | |
1441 | Double_t sdzdx = TMath::Sqrt(t1[9]*t1[9]+t2[9]*t2[9]); | |
9318a5b4 | 1442 | |
774a5ee9 | 1443 | |
9318a5b4 | 1444 | Double_t p[12]; |
1445 | Double_t value; | |
f8a2dcfb | 1446 | // x2 = a00*x1 + a01*y1 + a02*z1 + a03 |
1447 | // y2 = a10*x1 + a11*y1 + a12*z1 + a13 | |
9318a5b4 | 1448 | // y2' = a10*x1 + a11*y1 + a12*z1 + a13 + (a01*y1 + a02*z1 + a03)*dydx2 |
1449 | for (Int_t i=0; i<12;i++) p[i]=0.; | |
f8a2dcfb | 1450 | p[0] += x1; // a10 |
1451 | //p[] +=1; // a11 | |
1452 | //p[] += z1; // a12 | |
1453 | p[4] += 1; // a13 | |
1454 | p[0] += -y1*dydx2; // a01 | |
1455 | //p[] += z1*dydx2; // a02 | |
1456 | p[3] += dydx2; // a03 | |
1457 | value = y2-y1; //-a11 | |
9318a5b4 | 1458 | fitter->AddPoint(p,value,sy); |
f8a2dcfb | 1459 | // |
1460 | // x2 = a00*x1 + a01*y1 + a02*z1 + a03 | |
1461 | // z2 = a20*x1 + a21*y1 + a22*z1 + a23 | |
1462 | // z2' = a20*x1 + a21*y1 + a22*z1 + a23 + (a01*y1 + a02*z1 + a03)*dzdx2; | |
9318a5b4 | 1463 | for (Int_t i=0; i<12;i++) p[i]=0.; |
f8a2dcfb | 1464 | p[1] += x1; // a20 |
1465 | p[2] += y1; // a21 | |
1466 | //p[] += z1; // a22 | |
1467 | p[5] += 1.; // a23 | |
1468 | p[0] += -y1*dzdx2; // a01 | |
1469 | //p[] += z1*dzdx2; // a02 | |
1470 | p[3] += dzdx2; // a03 | |
1471 | value = z2-z1; //-a22 | |
9318a5b4 | 1472 | fitter->AddPoint(p,value,sz); |
1473 | ||
1474 | // dydx2 = (a10 + a11*dydx1 + a12*dzdx1)/( a00 + a01*dydx1 + a02*dzdx1) | |
1475 | // (a10 + a11*dydx1 + a12*dzdx1) - (a00 + a01*dydx1 + a02*dzdx1)*dydx2 = 0 | |
1476 | for (Int_t i=0; i<12;i++) p[i]=0.; | |
f8a2dcfb | 1477 | p[0] += 1.; // a10 |
1d82fc56 | 1478 | //p[] += dydx1; // a11 |
f8a2dcfb | 1479 | //p[] += dzdx1; // a12 |
1480 | //p[] += -dydx2; // a00 | |
1d82fc56 | 1481 | //p[0] += dydx1*dydx2; // a01 FIXME- 0912 MI |
f8a2dcfb | 1482 | //p[] += -dzdx1*dydx2; // a02 |
1483 | value = -dydx1+dydx2; // -a11 + a00 | |
9318a5b4 | 1484 | fitter->AddPoint(p,value,sdydx); |
1485 | ||
1486 | // dzdx2 = (a20 + a21*dydx1 + a22*dzdx1)/( a00 + a01*dydx1 + a02*dzdx1) | |
1487 | // (a20 + a21*dydx1 + a22*dzdx1) - (a00 + a01*dydx1 + a02*dzdx1)*dzdx2 = 0 | |
1488 | for (Int_t i=0; i<12;i++) p[i]=0.; | |
f8a2dcfb | 1489 | p[1] += 1; // a20 |
1d82fc56 | 1490 | // p[2] += dydx1; // a21 FIXME- 0912 MI |
f8a2dcfb | 1491 | //p[] += dzdx1; // a22 |
1492 | //p[] += -dzdx2; // a00 | |
1d82fc56 | 1493 | //p[0] += dydx1*dzdx2; // a01 FIXME- 0912 MI |
f8a2dcfb | 1494 | //p[] += -dzdx1*dzdx2; // a02 |
1495 | value = -dzdx1+dzdx2; // -a22 + a00 | |
9318a5b4 | 1496 | fitter->AddPoint(p,value,sdzdx); |
1497 | } | |
1498 | ||
7eaa723e | 1499 | |
1500 | ||
1501 | ||
774a5ee9 | 1502 | void AliTPCcalibAlign::EvalFitters(Int_t minPoints) { |
7eaa723e | 1503 | // |
1504 | // Analyze function | |
1505 | // | |
1506 | // Perform the fitting using linear fitters | |
1507 | // | |
9318a5b4 | 1508 | TLinearFitter *f; |
7eaa723e | 1509 | TFile fff("alignDebug.root","recreate"); |
9318a5b4 | 1510 | for (Int_t s1=0;s1<72;++s1) |
7eaa723e | 1511 | for (Int_t s2=0;s2<72;++s2){ |
774a5ee9 | 1512 | if ((f=GetFitter12(s1,s2))&&fPoints[GetIndex(s1,s2)]>minPoints) { |
e81dc112 | 1513 | // cerr<<s1<<","<<s2<<": "<<fPoints[GetIndex(s1,s2)]<<endl; |
0ebabeb6 | 1514 | if (f->Eval()!=0) { |
9318a5b4 | 1515 | cerr<<"Evaluation failed for "<<s1<<","<<s2<<endl; |
7eaa723e | 1516 | f->Write(Form("f12_%d_%d",s1,s2)); |
1517 | }else{ | |
1518 | f->Write(Form("f12_%d_%d",s1,s2)); | |
9318a5b4 | 1519 | } |
1520 | } | |
774a5ee9 | 1521 | if ((f=GetFitter9(s1,s2))&&fPoints[GetIndex(s1,s2)]>minPoints) { |
e81dc112 | 1522 | // cerr<<s1<<","<<s2<<": "<<fPoints[GetIndex(s1,s2)]<<endl; |
0ebabeb6 | 1523 | if (f->Eval()!=0) { |
7eaa723e | 1524 | cerr<<"Evaluation failed for "<<s1<<","<<s2<<endl; |
1525 | }else{ | |
1526 | f->Write(Form("f9_%d_%d",s1,s2)); | |
1527 | } | |
1528 | } | |
774a5ee9 | 1529 | if ((f=GetFitter6(s1,s2))&&fPoints[GetIndex(s1,s2)]>minPoints) { |
e81dc112 | 1530 | // cerr<<s1<<","<<s2<<": "<<fPoints[GetIndex(s1,s2)]<<endl; |
972cf6f2 | 1531 | if (f->Eval()!=0) { |
7eaa723e | 1532 | cerr<<"Evaluation failed for "<<s1<<","<<s2<<endl; |
1533 | }else{ | |
1534 | f->Write(Form("f6_%d_%d",s1,s2)); | |
1535 | } | |
1536 | } | |
1537 | } | |
6f387311 | 1538 | TMatrixD mat(4,4); |
1539 | for (Int_t s1=0;s1<72;++s1) | |
1540 | for (Int_t s2=0;s2<72;++s2){ | |
1541 | if (GetTransformation12(s1,s2,mat)){ | |
1542 | fMatrixArray12.AddAt(mat.Clone(), GetIndex(s1,s2)); | |
1543 | } | |
1544 | if (GetTransformation9(s1,s2,mat)){ | |
1545 | fMatrixArray9.AddAt(mat.Clone(), GetIndex(s1,s2)); | |
1546 | } | |
1547 | if (GetTransformation6(s1,s2,mat)){ | |
1548 | fMatrixArray6.AddAt(mat.Clone(), GetIndex(s1,s2)); | |
1549 | } | |
9318a5b4 | 1550 | } |
6f387311 | 1551 | //this->Write("align"); |
1552 | ||
9318a5b4 | 1553 | } |
1554 | ||
972cf6f2 | 1555 | TLinearFitter* AliTPCcalibAlign::GetOrMakeFitter12(Int_t s1,Int_t s2) { |
1556 | // | |
1557 | // get or make fitter - general linear transformation | |
1558 | // | |
e81dc112 | 1559 | static Int_t counter12=0; |
1560 | 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 | 1561 | TLinearFitter * fitter = GetFitter12(s1,s2); |
1562 | if (fitter) return fitter; | |
e81dc112 | 1563 | // 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]"); |
1564 | fitter =new TLinearFitter(&f12,""); | |
6f387311 | 1565 | fitter->StoreData(kFALSE); |
e81dc112 | 1566 | fFitterArray12.AddAt(fitter,GetIndex(s1,s2)); |
1567 | counter12++; | |
b322e06a | 1568 | // if (GetDebugLevel()>0) cerr<<"Creating fitter12 "<<s1<<","<<s2<<" : "<<counter12<<endl; |
972cf6f2 | 1569 | return fitter; |
1570 | } | |
1571 | ||
1572 | TLinearFitter* AliTPCcalibAlign::GetOrMakeFitter9(Int_t s1,Int_t s2) { | |
1573 | // | |
1574 | //get or make fitter - general linear transformation - no scaling | |
1575 | // | |
e81dc112 | 1576 | static Int_t counter9=0; |
1577 | static TF1 f9("f9","x[0]++x[1]++x[2]++x[3]++x[4]++x[5]++x[6]++x[7]++x[8]"); | |
972cf6f2 | 1578 | TLinearFitter * fitter = GetFitter9(s1,s2); |
1579 | if (fitter) return fitter; | |
e81dc112 | 1580 | // fitter =new TLinearFitter(9,"x[0]++x[1]++x[2]++x[3]++x[4]++x[5]++x[6]++x[7]++x[8]"); |
1581 | fitter =new TLinearFitter(&f9,""); | |
6f387311 | 1582 | fitter->StoreData(kFALSE); |
972cf6f2 | 1583 | fFitterArray9.AddAt(fitter,GetIndex(s1,s2)); |
e81dc112 | 1584 | counter9++; |
b322e06a | 1585 | // if (GetDebugLevel()>0) cerr<<"Creating fitter12 "<<s1<<","<<s2<<" : "<<counter9<<endl; |
972cf6f2 | 1586 | return fitter; |
1587 | } | |
1588 | ||
1589 | TLinearFitter* AliTPCcalibAlign::GetOrMakeFitter6(Int_t s1,Int_t s2) { | |
1590 | // | |
1591 | // get or make fitter - 6 paramater linear tranformation | |
1592 | // - no scaling | |
1593 | // - rotation x-y | |
1594 | // - tilting x-z, y-z | |
e81dc112 | 1595 | static Int_t counter6=0; |
1596 | static TF1 f6("f6","x[0]++x[1]++x[2]++x[3]++x[4]++x[5]"); | |
972cf6f2 | 1597 | TLinearFitter * fitter = GetFitter6(s1,s2); |
1598 | if (fitter) return fitter; | |
e81dc112 | 1599 | // fitter=new TLinearFitter(6,"x[0]++x[1]++x[2]++x[3]++x[4]++x[5]"); |
1600 | fitter=new TLinearFitter(&f6,""); | |
4de48bc7 | 1601 | fitter->StoreData(kFALSE); |
972cf6f2 | 1602 | fFitterArray6.AddAt(fitter,GetIndex(s1,s2)); |
e81dc112 | 1603 | counter6++; |
b322e06a | 1604 | // if (GetDebugLevel()>0) cerr<<"Creating fitter6 "<<s1<<","<<s2<<" : "<<counter6<<endl; |
972cf6f2 | 1605 | return fitter; |
1606 | } | |
1607 | ||
1608 | ||
1609 | ||
1610 | ||
1611 | ||
9318a5b4 | 1612 | Bool_t AliTPCcalibAlign::GetTransformation12(Int_t s1,Int_t s2,TMatrixD &a) { |
972cf6f2 | 1613 | // |
1614 | // GetTransformation matrix - 12 paramaters - generael linear transformation | |
1615 | // | |
9318a5b4 | 1616 | if (!GetFitter12(s1,s2)) |
1617 | return false; | |
1618 | else { | |
1619 | TVectorD p(12); | |
9318a5b4 | 1620 | GetFitter12(s1,s2)->GetParameters(p); |
9318a5b4 | 1621 | a.ResizeTo(4,4); |
972cf6f2 | 1622 | a[0][0]=p[0]; a[0][1]=p[1]; a[0][2]=p[2]; a[0][3]=p[9]; |
1623 | a[1][0]=p[3]; a[1][1]=p[4]; a[1][2]=p[5]; a[1][3]=p[10]; | |
1624 | a[2][0]=p[6]; a[2][1]=p[7]; a[2][2]=p[8]; a[2][3]=p[11]; | |
1625 | a[3][0]=0.; a[3][1]=0.; a[3][2]=0.; a[3][3]=1.; | |
9318a5b4 | 1626 | return true; |
1627 | } | |
1628 | } | |
1629 | ||
1630 | Bool_t AliTPCcalibAlign::GetTransformation9(Int_t s1,Int_t s2,TMatrixD &a) { | |
972cf6f2 | 1631 | // |
1632 | // GetTransformation matrix - 9 paramaters - general linear transformation | |
1633 | // No scaling | |
1634 | // | |
9318a5b4 | 1635 | if (!GetFitter9(s1,s2)) |
1636 | return false; | |
1637 | else { | |
1638 | TVectorD p(9); | |
1639 | GetFitter9(s1,s2)->GetParameters(p); | |
1640 | a.ResizeTo(4,4); | |
f8a2dcfb | 1641 | a[0][0]=1; a[0][1]=p[0]; a[0][2]=p[1]; a[0][3]=p[6]; |
1642 | a[1][0]=p[2]; a[1][1]=1; a[1][2]=p[3]; a[1][3]=p[7]; | |
1643 | a[2][0]=p[4]; a[2][1]=p[5]; a[2][2]=1; a[2][3]=p[8]; | |
972cf6f2 | 1644 | a[3][0]=0.; a[3][1]=0.; a[3][2]=0.; a[3][3]=1.; |
9318a5b4 | 1645 | return true; |
1646 | } | |
1647 | } | |
1648 | ||
1649 | Bool_t AliTPCcalibAlign::GetTransformation6(Int_t s1,Int_t s2,TMatrixD &a) { | |
972cf6f2 | 1650 | // |
1651 | // GetTransformation matrix - 6 paramaters | |
1652 | // 3 translation | |
1653 | // 1 rotation -x-y | |
1654 | // 2 tilting x-z y-z | |
9318a5b4 | 1655 | if (!GetFitter6(s1,s2)) |
1656 | return false; | |
1657 | else { | |
1658 | TVectorD p(6); | |
9318a5b4 | 1659 | GetFitter6(s1,s2)->GetParameters(p); |
9318a5b4 | 1660 | a.ResizeTo(4,4); |
f8a2dcfb | 1661 | a[0][0]=1; a[0][1]=-p[0];a[0][2]=0; a[0][3]=p[3]; |
1662 | a[1][0]=p[0]; a[1][1]=1; a[1][2]=0; a[1][3]=p[4]; | |
1663 | a[2][0]=p[1]; a[2][1]=p[2]; a[2][2]=1; a[2][3]=p[5]; | |
972cf6f2 | 1664 | a[3][0]=0.; a[3][1]=0.; a[3][2]=0.; a[3][3]=1.; |
9318a5b4 | 1665 | return true; |
1666 | } | |
1667 | } | |
972cf6f2 | 1668 | |
b842d904 | 1669 | void AliTPCcalibAlign::MakeResidualHistos(){ |
1670 | // | |
1671 | // Make cluster residual histograms | |
1672 | // | |
1673 | Double_t xminTrack[9], xmaxTrack[9]; | |
1674 | Int_t binsTrack[9]; | |
1675 | TString axisName[9],axisTitle[9]; | |
1676 | // | |
1677 | // 0 - delta of interest | |
1678 | // 1 - global phi in sector number as float | |
1679 | // 2 - local x | |
1680 | // 3 - local ky | |
1681 | // 4 - local kz | |
1682 | // | |
1683 | axisName[0]="delta"; axisTitle[0]="#Delta (cm)"; | |
1684 | binsTrack[0]=60; xminTrack[0]=-0.6; xmaxTrack[0]=0.6; | |
1685 | // | |
1686 | axisName[1]="sector"; axisTitle[1]="Sector Number"; | |
0b736a46 | 1687 | binsTrack[1]=180; xminTrack[1]=0; xmaxTrack[1]=18; |
b842d904 | 1688 | // |
1689 | axisName[2]="localX"; axisTitle[2]="x (cm)"; | |
1690 | binsTrack[2]=53; xminTrack[2]=85.; xmaxTrack[2]=245.; | |
1691 | // | |
1692 | axisName[3]="kY"; axisTitle[3]="dy/dx"; | |
0b736a46 | 1693 | binsTrack[3]=1; xminTrack[3]=-0.16; xmaxTrack[3]=0.16; |
b842d904 | 1694 | // |
1695 | axisName[4]="kZ"; axisTitle[4]="dz/dx"; | |
0b736a46 | 1696 | binsTrack[4]=22; xminTrack[4]=-1.1; xmaxTrack[4]=1.1; |
b842d904 | 1697 | // |
1698 | fClusterDelta[0] = new THnSparseF("#Delta_{Y} (cm)","#Delta_{Y} (cm)", 5, binsTrack,xminTrack, xmaxTrack); | |
1699 | fClusterDelta[1] = new THnSparseF("#Delta_{Z} (cm)","#Delta_{Z} (cm)", 5, binsTrack,xminTrack, xmaxTrack); | |
1700 | fClusterDelta[2] = new THnSparseF("#Delta_{Y} (cm) const","#Delta_{Y} (cm) const ", 5, binsTrack,xminTrack, xmaxTrack); | |
1701 | fClusterDelta[3] = new THnSparseF("#Delta_{Z} (cm) const","#Delta_{Z} (cm) const", 5, binsTrack,xminTrack, xmaxTrack); | |
1702 | fClusterDelta[4] = new THnSparseF("#Delta_{Y} (cm) ITS","#Delta_{Y} (cm) ITS", 5, binsTrack,xminTrack, xmaxTrack); | |
1703 | fClusterDelta[5] = new THnSparseF("#Delta_{Z} (cm) ITS","#Delta_{Z} (cm) ITS", 5, binsTrack,xminTrack, xmaxTrack); | |
1704 | // | |
1705 | // | |
1706 | // | |
1707 | for (Int_t ivar=0;ivar<6;ivar++){ | |
1708 | for (Int_t ivar2=0;ivar2<5;ivar2++){ | |
1709 | fClusterDelta[ivar]->GetAxis(ivar2)->SetName(axisName[ivar2].Data()); | |
1710 | fClusterDelta[ivar]->GetAxis(ivar2)->SetTitle(axisName[ivar2].Data()); | |
1711 | } | |
1712 | } | |
1713 | ||
1714 | } | |
1715 | ||
60721370 | 1716 | |
1717 | void AliTPCcalibAlign::MakeResidualHistosTracklet(){ | |
1718 | // | |
1719 | // Make tracklet residual histograms | |
1720 | // | |
1721 | Double_t xminTrack[9], xmaxTrack[9]; | |
1722 | Int_t binsTrack[9]; | |
1723 | TString axisName[9],axisTitle[9]; | |
1724 | // | |
1725 | // 0 - delta of interest | |
1726 | // 1 - global phi in sector number as float | |
1727 | // 2 - local x | |
1728 | // 3 - local ky | |
1729 | // 4 - local kz | |
1730 | // 5 - sector 1 | |
1731 | // 5 - sector 0 | |
1732 | ||
1733 | axisName[0]="delta"; axisTitle[0]="#Delta (cm)"; | |
1734 | binsTrack[0]=60; xminTrack[0]=-0.6; xmaxTrack[0]=0.6; | |
1735 | // | |
1736 | axisName[1]="phi"; axisTitle[1]="#phi"; | |
1737 | binsTrack[1]=180; xminTrack[1]=-TMath::Pi(); xmaxTrack[1]=TMath::Pi(); | |
1738 | // | |
1739 | axisName[2]="localX"; axisTitle[2]="x (cm)"; | |
1740 | binsTrack[2]=10; xminTrack[2]=120.; xmaxTrack[2]=200.; | |
1741 | // | |
1742 | axisName[3]="kY"; axisTitle[3]="dy/dx"; | |
1743 | binsTrack[3]=10; xminTrack[3]=-0.5; xmaxTrack[3]=0.5; | |
1744 | // | |
1745 | axisName[4]="kZ"; axisTitle[4]="dz/dx"; | |
1746 | binsTrack[4]=22; xminTrack[4]=-1.1; xmaxTrack[4]=1.1; | |
1747 | // | |
1748 | axisName[5]="is1"; axisTitle[5]="is1"; | |
1749 | binsTrack[5]=72; xminTrack[5]=0; xmaxTrack[5]=72; | |
1750 | // | |
1751 | axisName[6]="is0"; axisTitle[6]="is0"; | |
1752 | binsTrack[6]=72; xminTrack[6]=0; xmaxTrack[6]=72; | |
1753 | ||
1754 | // | |
1755 | xminTrack[0]=-0.3; xmaxTrack[0]=0.3; | |
1756 | fTrackletDelta[0] = new THnSparseF("#Delta_{Y} (cm)","#Delta_{Y} (cm)", 7, binsTrack,xminTrack, xmaxTrack); | |
1757 | xminTrack[0]=-0.5; xmaxTrack[0]=0.5; | |
1758 | fTrackletDelta[1] = new THnSparseF("#Delta_{Z} (cm)","#Delta_{Z} (cm)", 7, binsTrack,xminTrack, xmaxTrack); | |
1759 | xminTrack[0]=-0.005; xmaxTrack[0]=0.005; | |
1760 | fTrackletDelta[2] = new THnSparseF("#Delta_{kY}","#Delta_{kY}", 7, binsTrack,xminTrack, xmaxTrack); | |
1761 | xminTrack[0]=-0.005; xmaxTrack[0]=0.005; | |
1762 | fTrackletDelta[3] = new THnSparseF("#Delta_{kZ}","#Delta_{kZ}", 7, binsTrack,xminTrack, xmaxTrack); | |
1763 | // | |
1764 | // | |
1765 | // | |
1766 | for (Int_t ivar=0;ivar<4;ivar++){ | |
1767 | for (Int_t ivar2=0;ivar2<7;ivar2++){ | |
1768 | fTrackletDelta[ivar]->GetAxis(ivar2)->SetName(axisName[ivar2].Data()); | |
1769 | fTrackletDelta[ivar]->GetAxis(ivar2)->SetTitle(axisName[ivar2].Data()); | |
1770 | } | |
1771 | } | |
1772 | ||
1773 | } | |
1774 | ||
1775 | ||
1776 | ||
774a5ee9 | 1777 | void AliTPCcalibAlign::FillHisto(const Double_t *t1, |
1778 | const Double_t *t2, | |
1779 | Int_t s1,Int_t s2) { | |
972cf6f2 | 1780 | // |
1781 | // Fill residual histograms | |
4de48bc7 | 1782 | // Track2-Track1 |
8b3c60d8 | 1783 | // Innner-Outer |
1784 | // Left right - x-y | |
1785 | // A-C side | |
774a5ee9 | 1786 | if (1) { |
1787 | Double_t dy = t2[1]-t1[1]; | |
1788 | Double_t dphi = t2[2]-t1[2]; | |
1789 | Double_t dz = t2[3]-t1[3]; | |
1790 | Double_t dtheta = t2[4]-t1[4]; | |
1791 | Double_t zmean = (t2[3]+t1[3])*0.5; | |
bb6bc8f6 | 1792 | // |
774a5ee9 | 1793 | GetHisto(kPhi,s1,s2,kTRUE)->Fill(dphi); |
1794 | GetHisto(kTheta,s1,s2,kTRUE)->Fill(dtheta); | |
1795 | GetHisto(kY,s1,s2,kTRUE)->Fill(dy); | |
1796 | GetHisto(kZ,s1,s2,kTRUE)->Fill(dz); | |
bb6bc8f6 | 1797 | // |
774a5ee9 | 1798 | GetHisto(kPhiZ,s1,s2,kTRUE)->Fill(zmean,dphi); |
1799 | GetHisto(kThetaZ,s1,s2,kTRUE)->Fill(zmean,dtheta); | |
1800 | GetHisto(kYz,s1,s2,kTRUE)->Fill(zmean,dy); | |
1801 | GetHisto(kZz,s1,s2,kTRUE)->Fill(zmean,dz); | |
1802 | // | |
1803 | GetHisto(kYPhi,s1,s2,kTRUE)->Fill(t2[2],dy); | |
1804 | GetHisto(kZTheta,s1,s2,kTRUE)->Fill(t2[4],dz); | |
1805 | } | |
972cf6f2 | 1806 | } |
1807 | ||
1808 | ||
60721370 | 1809 | void AliTPCcalibAlign::FillHisto(const AliExternalTrackParam *tp1, |
1810 | const AliExternalTrackParam *tp2, | |
1811 | Int_t s1,Int_t s2) { | |
1812 | // | |
1813 | // Fill residual histograms | |
1814 | // Track2-Track1 | |
1815 | Double_t x[8]={0,0,0,0,0,0,0,0}; | |
1816 | AliExternalTrackParam p1(*tp1); | |
1817 | AliExternalTrackParam p2(*tp2); | |
1818 | if (s1%18==s2%18) { | |
1819 | // inner outer - match at the IROC-OROC boundary | |
1820 | p1.PropagateTo(fXIO, AliTrackerBase::GetBz()); | |
1821 | } | |
1822 | p2.Rotate(p1.GetAlpha()); | |
1823 | p2.PropagateTo(p1.GetX(),AliTrackerBase::GetBz()); | |
1824 | Double_t xyz[3]; | |
1825 | p1.GetXYZ(xyz); | |
1826 | x[1]=TMath::ATan2(xyz[1],xyz[0]); | |
1827 | x[2]=p1.GetX(); | |
1828 | x[3]=0.5*(p1.GetSnp()+p2.GetSnp()); // mean snp | |
1829 | x[4]=0.5*(p1.GetTgl()+p2.GetTgl()); // mean tgl | |
1830 | x[5]=s2; | |
1831 | x[6]=s1; | |
1832 | ||
1833 | x[0]=p2.GetY()-p1.GetY(); | |
1834 | fTrackletDelta[0]->Fill(x); | |
1835 | x[0]=p2.GetZ()-p1.GetZ(); | |
1836 | fTrackletDelta[1]->Fill(x); | |
1837 | x[0]=p2.GetSnp()-p1.GetSnp(); | |
1838 | fTrackletDelta[2]->Fill(x); | |
1839 | x[0]=p2.GetTgl()-p1.GetTgl(); | |
1840 | fTrackletDelta[3]->Fill(x); | |
1841 | ||
1842 | } | |
1843 | ||
1844 | ||
972cf6f2 | 1845 | |
1846 | TH1 * AliTPCcalibAlign::GetHisto(HistoType type, Int_t s1, Int_t s2, Bool_t force) | |
1847 | { | |
1848 | // | |
1849 | // return specified residual histogram - it is only QA | |
1850 | // if force specified the histogram and given histogram is not existing | |
1851 | // new histogram is created | |
1852 | // | |
1853 | if (GetIndex(s1,s2)>=72*72) return 0; | |
1854 | TObjArray *histoArray=0; | |
1855 | switch (type) { | |
1856 | case kY: | |
1857 | histoArray = &fDyHistArray; break; | |
1858 | case kZ: | |
1859 | histoArray = &fDzHistArray; break; | |
1860 | case kPhi: | |
1861 | histoArray = &fDphiHistArray; break; | |
1862 | case kTheta: | |
1863 | histoArray = &fDthetaHistArray; break; | |
bb6bc8f6 | 1864 | case kYPhi: |
1865 | histoArray = &fDyPhiHistArray; break; | |
1866 | case kZTheta: | |
1867 | histoArray = &fDzThetaHistArray; break; | |
1868 | case kYz: | |
1869 | histoArray = &fDyZHistArray; break; | |
1870 | case kZz: | |
1871 | histoArray = &fDzZHistArray; break; | |
1872 | case kPhiZ: | |
1873 | histoArray = &fDphiZHistArray; break; | |
1874 | case kThetaZ: | |
1875 | histoArray = &fDthetaZHistArray; break; | |
972cf6f2 | 1876 | } |
1877 | TH1 * histo= (TH1*)histoArray->At(GetIndex(s1,s2)); | |
1878 | if (histo) return histo; | |
1879 | if (force==kFALSE) return 0; | |
1880 | // | |
1881 | stringstream name; | |
1882 | stringstream title; | |
1883 | switch (type) { | |
1884 | case kY: | |
1885 | name<<"hist_y_"<<s1<<"_"<<s2; | |
1886 | title<<"Y Missalignment for sectors "<<s1<<" and "<<s2; | |
774a5ee9 | 1887 | histo =new TH1D(name.str().c_str(),title.str().c_str(),100,-0.5,0.5); // +/- 5 mm |
972cf6f2 | 1888 | break; |
1889 | case kZ: | |
1890 | name<<"hist_z_"<<s1<<"_"<<s2; | |
1891 | title<<"Z Missalignment for sectors "<<s1<<" and "<<s2; | |
774a5ee9 | 1892 | histo = new TH1D(name.str().c_str(),title.str().c_str(),100,-0.3,0.3); // +/- 3 mm |
972cf6f2 | 1893 | break; |
1894 | case kPhi: | |
1895 | name<<"hist_phi_"<<s1<<"_"<<s2; | |
1896 | title<<"Phi Missalignment for sectors "<<s1<<" and "<<s2; | |
774a5ee9 | 1897 | histo =new TH1D(name.str().c_str(),title.str().c_str(),100,-0.01,0.01); // +/- 10 mrad |
972cf6f2 | 1898 | break; |
1899 | case kTheta: | |
1900 | name<<"hist_theta_"<<s1<<"_"<<s2; | |
1901 | title<<"Theta Missalignment for sectors "<<s1<<" and "<<s2; | |
774a5ee9 | 1902 | histo =new TH1D(name.str().c_str(),title.str().c_str(),100,-0.01,0.01); // +/- 10 mrad |
972cf6f2 | 1903 | break; |
bb6bc8f6 | 1904 | // |
1905 | // | |
1906 | case kYPhi: | |
1907 | name<<"hist_yphi_"<<s1<<"_"<<s2; | |
1908 | title<<"Y Missalignment for sectors Phi"<<s1<<" and "<<s2; | |
774a5ee9 | 1909 | histo =new TH2F(name.str().c_str(),title.str().c_str(),20,-1,1,100,-0.5,0.5); // +/- 5 mm |
bb6bc8f6 | 1910 | break; |
1911 | case kZTheta: | |
1912 | name<<"hist_ztheta_"<<s1<<"_"<<s2; | |
1913 | title<<"Z Missalignment for sectors Theta"<<s1<<" and "<<s2; | |
774a5ee9 | 1914 | histo = new TH2F(name.str().c_str(),title.str().c_str(),20,-1,1,100,-0.3,0.3); // +/- 3 mm |
bb6bc8f6 | 1915 | break; |
1916 | // | |
1917 | // | |
1918 | // | |
1919 | case kYz: | |
1920 | name<<"hist_yz_"<<s1<<"_"<<s2; | |
1921 | title<<"Y Missalignment for sectors Z"<<s1<<" and "<<s2; | |
774a5ee9 | 1922 | histo =new TH2F(name.str().c_str(),title.str().c_str(),20,-250,250,100,-0.5,0.5); // +/- 5 mm |
bb6bc8f6 | 1923 | break; |
1924 | case kZz: | |
1925 | name<<"hist_zz_"<<s1<<"_"<<s2; | |
1926 | title<<"Z Missalignment for sectors Z"<<s1<<" and "<<s2; | |
774a5ee9 | 1927 | histo = new TH2F(name.str().c_str(),title.str().c_str(),20,-250,250,100,-0.3,0.3); // +/- 3 mm |
bb6bc8f6 | 1928 | break; |
1929 | case kPhiZ: | |
1930 | name<<"hist_phiz_"<<s1<<"_"<<s2; | |
1931 | title<<"Phi Missalignment for sectors Z"<<s1<<" and "<<s2; | |
774a5ee9 | 1932 | histo =new TH2F(name.str().c_str(),title.str().c_str(),20,-250,250,100,-0.01,0.01); // +/- 10 mrad |
bb6bc8f6 | 1933 | break; |
1934 | case kThetaZ: | |
1935 | name<<"hist_thetaz_"<<s1<<"_"<<s2; | |
1936 | title<<"Theta Missalignment for sectors Z"<<s1<<" and "<<s2; | |
774a5ee9 | 1937 | histo =new TH2F(name.str().c_str(),title.str().c_str(),20,-250,250,100,-0.01,0.01); // +/- 10 mrad |
bb6bc8f6 | 1938 | break; |
1939 | ||
1940 | ||
972cf6f2 | 1941 | } |
1942 | histo->SetDirectory(0); | |
1943 | histoArray->AddAt(histo,GetIndex(s1,s2)); | |
1944 | return histo; | |
1945 | } | |
8b3c60d8 | 1946 | |
1947 | TGraphErrors * AliTPCcalibAlign::MakeGraph(Int_t sec0, Int_t sec1, Int_t dsec, | |
1948 | Int_t i0, Int_t i1, FitType type) | |
1949 | { | |
1950 | // | |
1951 | // | |
1952 | // | |
1953 | TMatrixD mat; | |
6a77c9f1 | 1954 | //TObjArray *fitArray=0; |
8b3c60d8 | 1955 | Double_t xsec[1000]; |
1956 | Double_t ysec[1000]; | |
1957 | Int_t npoints=0; | |
1958 | for (Int_t isec = sec0; isec<=sec1; isec++){ | |
1959 | Int_t isec2 = (isec+dsec)%72; | |
1960 | switch (type) { | |
1961 | case k6: | |
1962 | GetTransformation6(isec,isec2,mat);break; | |
1963 | case k9: | |
1964 | GetTransformation9(isec,isec2,mat);break; | |
1965 | case k12: | |
1966 | GetTransformation12(isec,isec2,mat);break; | |
1967 | } | |
1968 | xsec[npoints]=isec; | |
1969 | ysec[npoints]=mat(i0,i1); | |
1970 | ++npoints; | |
1971 | } | |
1972 | TGraphErrors *gr = new TGraphErrors(npoints,xsec,ysec,0,0); | |
1973 | Char_t name[1000]; | |
1974 | sprintf(name,"Mat[%d,%d] Type=%d",i0,i1,type); | |
1975 | gr->SetName(name); | |
1976 | return gr; | |
1977 | } | |
1978 | ||
774a5ee9 | 1979 | void AliTPCcalibAlign::MakeTree(const char *fname, Int_t minPoints){ |
8b3c60d8 | 1980 | // |
1981 | // make tree with alignment cosntant - | |
1982 | // For QA visualization | |
1983 | // | |
ae0ac7be | 1984 | /* |
774a5ee9 | 1985 | TFile fcalib("CalibObjects.root"); |
1986 | TObjArray * array = (TObjArray*)fcalib.Get("TPCCalib"); | |
1987 | AliTPCcalibAlign * align = ( AliTPCcalibAlign *)array->FindObject("alignTPC"); | |
1988 | align->EvalFitters(); | |
1989 | align->MakeTree("alignTree.root"); | |
1990 | TFile falignTree("alignTree.root"); | |
1991 | TTree * treeAlign = (TTree*)falignTree.Get("Align"); | |
ae0ac7be | 1992 | */ |
8b3c60d8 | 1993 | TTreeSRedirector cstream(fname); |
1994 | for (Int_t s1=0;s1<72;++s1) | |
1995 | for (Int_t s2=0;s2<72;++s2){ | |
8b3c60d8 | 1996 | TMatrixD m6; |
1d82fc56 | 1997 | TMatrixD m6FX; |
8b3c60d8 | 1998 | TMatrixD m9; |
1999 | TMatrixD m12; | |
774a5ee9 | 2000 | TVectorD param6Diff; // align parameters diff |
2001 | TVectorD param6s1(6); // align parameters sector1 | |
2002 | TVectorD param6s2(6); // align parameters sector2 | |
2003 | ||
2004 | // | |
2005 | // | |
2006 | TMatrixD * kpar = fSectorParamA; | |
2007 | TMatrixD * kcov = fSectorCovarA; | |
2008 | if (s1%36>=18){ | |
2009 | kpar = fSectorParamC; | |
2010 | kcov = fSectorCovarC; | |
2011 | } | |
2012 | for (Int_t ipar=0;ipar<6;ipar++){ | |
2013 | Int_t isec1 = s1%18; | |
2014 | Int_t isec2 = s2%18; | |
2015 | if (s1>35) isec1+=18; | |
2016 | if (s2>35) isec2+=18; | |
2017 | param6s1(ipar)=(*kpar)(6*isec1+ipar,0); | |
2018 | param6s2(ipar)=(*kpar)(6*isec2+ipar,0); | |
2019 | } | |
2020 | ||
2021 | ||
8b3c60d8 | 2022 | Double_t dy=0, dz=0, dphi=0,dtheta=0; |
2023 | Double_t sy=0, sz=0, sphi=0,stheta=0; | |
2024 | Double_t ny=0, nz=0, nphi=0,ntheta=0; | |
6f387311 | 2025 | Double_t chi2v12=0, chi2v9=0, chi2v6=0; |
0b736a46 | 2026 | // Int_t npoints=0; |
2027 | // TLinearFitter * fitter = 0; | |
774a5ee9 | 2028 | if (fPoints[GetIndex(s1,s2)]>minPoints){ |
6f387311 | 2029 | // |
2030 | // | |
2031 | // | |
0b736a46 | 2032 | // fitter = GetFitter12(s1,s2); |
2033 | // npoints = fitter->GetNpoints(); | |
2034 | // chi2v12 = TMath::Sqrt(fitter->GetChisquare()/npoints); | |
774a5ee9 | 2035 | |
0b736a46 | 2036 | // // |
2037 | // fitter = GetFitter9(s1,s2); | |
2038 | // npoints = fitter->GetNpoints(); | |
2039 | // chi2v9 = TMath::Sqrt(fitter->GetChisquare()/npoints); | |
2040 | // // | |
2041 | // fitter = GetFitter6(s1,s2); | |
2042 | // npoints = fitter->GetNpoints(); | |
2043 | // chi2v6 = TMath::Sqrt(fitter->GetChisquare()/npoints); | |
2044 | // fitter->GetParameters(param6Diff); | |
2045 | // // | |
2046 | // GetTransformation6(s1,s2,m6); | |
2047 | // GetTransformation9(s1,s2,m9); | |
2048 | // GetTransformation12(s1,s2,m12); | |
2049 | // // | |
2050 | // fitter = GetFitter6(s1,s2); | |
2051 | // //fitter->FixParameter(3,0); | |
2052 | // //fitter->Eval(); | |
2053 | // GetTransformation6(s1,s2,m6FX); | |
1d82fc56 | 2054 | // |
6f387311 | 2055 | TH1 * his=0; |
2056 | his = GetHisto(kY,s1,s2); | |
2057 | if (his) { dy = his->GetMean(); sy = his->GetRMS(); ny = his->GetEntries();} | |
2058 | his = GetHisto(kZ,s1,s2); | |
2059 | if (his) { dz = his->GetMean(); sz = his->GetRMS(); nz = his->GetEntries();} | |
2060 | his = GetHisto(kPhi,s1,s2); | |
2061 | if (his) { dphi = his->GetMean(); sphi = his->GetRMS(); nphi = his->GetEntries();} | |
2062 | his = GetHisto(kTheta,s1,s2); | |
2063 | if (his) { dtheta = his->GetMean(); stheta = his->GetRMS(); ntheta = his->GetEntries();} | |
2064 | // | |
1d82fc56 | 2065 | |
6f387311 | 2066 | } |
0b736a46 | 2067 | AliMagF* magF= (AliMagF*)TGeoGlobalMagField::Instance()->GetField(); |
2068 | if (!magF) AliError("Magneticd field - not initialized"); | |
2069 | Double_t bz = magF->SolenoidField()/10.; //field in T | |
6f387311 | 2070 | |
8b3c60d8 | 2071 | cstream<<"Align"<< |
0b736a46 | 2072 | "run="<<fRun<< // run |
2073 | "bz="<<bz<< | |
8b3c60d8 | 2074 | "s1="<<s1<< // reference sector |
2075 | "s2="<<s2<< // sector to align | |
1d82fc56 | 2076 | "m6FX.="<<&m6FX<< // tranformation matrix |
8b3c60d8 | 2077 | "m6.="<<&m6<< // tranformation matrix |
2078 | "m9.="<<&m9<< // | |
2079 | "m12.="<<&m12<< | |
6f387311 | 2080 | "chi2v12="<<chi2v12<< |
2081 | "chi2v9="<<chi2v9<< | |
2082 | "chi2v6="<<chi2v6<< | |
774a5ee9 | 2083 | // |
2084 | "p6.="<<¶m6Diff<< | |
2085 | "p6s1.="<<¶m6s1<< | |
2086 | "p6s2.="<<¶m6s2<< | |
967eae0d | 2087 | // histograms mean RMS and entries |
2088 | "dy="<<dy<< | |
8b3c60d8 | 2089 | "sy="<<sy<< |
2090 | "ny="<<ny<< | |
2091 | "dz="<<dz<< | |
2092 | "sz="<<sz<< | |
2093 | "nz="<<nz<< | |
2094 | "dphi="<<dphi<< | |
2095 | "sphi="<<sphi<< | |
2096 | "nphi="<<nphi<< | |
2097 | "dtheta="<<dtheta<< | |
2098 | "stheta="<<stheta<< | |
2099 | "ntheta="<<ntheta<< | |
2100 | "\n"; | |
2101 | } | |
2102 | ||
2103 | } | |
ae0ac7be | 2104 | |
2105 | ||
2106 | //_____________________________________________________________________ | |
3326b323 | 2107 | Long64_t AliTPCcalibAlign::Merge(TCollection* const list) { |
ae0ac7be | 2108 | // |
2109 | // merge function | |
2110 | // | |
2111 | if (GetDebugLevel()>0) Info("AliTPCcalibAlign","Merge"); | |
2112 | if (!list) | |
2113 | return 0; | |
2114 | if (list->IsEmpty()) | |
2115 | return 1; | |
2116 | ||
2117 | TIterator* iter = list->MakeIterator(); | |
2118 | TObject* obj = 0; | |
2119 | iter->Reset(); | |
2120 | Int_t count=0; | |
6f387311 | 2121 | // |
2122 | TString str1(GetName()); | |
ae0ac7be | 2123 | while((obj = iter->Next()) != 0) |
2124 | { | |
2125 | AliTPCcalibAlign* entry = dynamic_cast<AliTPCcalibAlign*>(obj); | |
2126 | if (entry == 0) continue; | |
6f387311 | 2127 | if (str1.CompareTo(entry->GetName())!=0) continue; |
ae0ac7be | 2128 | Add(entry); |
2129 | count++; | |
2130 | } | |
2131 | return count; | |
2132 | } | |
2133 | ||
2134 | ||
2135 | void AliTPCcalibAlign::Add(AliTPCcalibAlign * align){ | |
2136 | // | |
bb6bc8f6 | 2137 | // Add entry - used for merging of compoents |
ae0ac7be | 2138 | // |
ae0ac7be | 2139 | for (Int_t i=0; i<72;i++){ |
2140 | for (Int_t j=0; j<72;j++){ | |
774a5ee9 | 2141 | if (align->fPoints[GetIndex(i,j)]<1) continue; |
ae0ac7be | 2142 | fPoints[GetIndex(i,j)]+=align->fPoints[GetIndex(i,j)]; |
ae0ac7be | 2143 | // |
ae0ac7be | 2144 | // |
ae0ac7be | 2145 | // |
bb6bc8f6 | 2146 | for (Int_t itype=0; itype<10; itype++){ |
2147 | TH1 * his0=0, *his1=0; | |
2148 | his0 = GetHisto((HistoType)itype,i,j); | |
2149 | his1 = align->GetHisto((HistoType)itype,i,j); | |
2150 | if (his1){ | |
2151 | if (his0) his0->Add(his1); | |
2152 | else { | |
774a5ee9 | 2153 | his0 = GetHisto((HistoType)itype,i,j,kTRUE); |
bb6bc8f6 | 2154 | his0->Add(his1); |
2155 | } | |
2156 | } | |
6f387311 | 2157 | } |
ae0ac7be | 2158 | } |
2159 | } | |
2160 | TLinearFitter *f0=0; | |
2161 | TLinearFitter *f1=0; | |
2162 | for (Int_t i=0; i<72;i++){ | |
6f387311 | 2163 | for (Int_t j=0; j<72;j++){ |
774a5ee9 | 2164 | if (align->fPoints[GetIndex(i,j)]<1) continue; |
6f387311 | 2165 | // |
ae0ac7be | 2166 | // |
2167 | // fitter12 | |
2168 | f0 = GetFitter12(i,j); | |
bb6bc8f6 | 2169 | f1 = align->GetFitter12(i,j); |
774a5ee9 | 2170 | if (f1){ |
2171 | if (f0) f0->Add(f1); | |
ae0ac7be | 2172 | else { |
6f387311 | 2173 | fFitterArray12.AddAt(f1->Clone(),GetIndex(i,j)); |
ae0ac7be | 2174 | } |
2175 | } | |
2176 | // | |
2177 | // fitter9 | |
2178 | f0 = GetFitter9(i,j); | |
bb6bc8f6 | 2179 | f1 = align->GetFitter9(i,j); |
774a5ee9 | 2180 | if (f1){ |
2181 | if (f0) f0->Add(f1); | |
6f387311 | 2182 | else { |
2183 | fFitterArray9.AddAt(f1->Clone(),GetIndex(i,j)); | |
ae0ac7be | 2184 | } |
2185 | } | |
2186 | f0 = GetFitter6(i,j); | |
bb6bc8f6 | 2187 | f1 = align->GetFitter6(i,j); |
774a5ee9 | 2188 | if (f1){ |
2189 | if (f0) f0->Add(f1); | |
ae0ac7be | 2190 | else { |
6f387311 | 2191 | fFitterArray6.AddAt(f1->Clone(),GetIndex(i,j)); |
ae0ac7be | 2192 | } |
2193 | } | |
2194 | } | |
2195 | } | |
774a5ee9 | 2196 | // |
2197 | // Add Kalman filter | |
2198 | // | |
2199 | for (Int_t i=0;i<36;i++){ | |
2200 | TMatrixD *par0 = (TMatrixD*)fArraySectorIntParam.At(i); | |
2201 | if (!par0){ | |
2202 | MakeSectorKalman(); | |
2203 | par0 = (TMatrixD*)fArraySectorIntParam.At(i); | |
2204 | } | |
2205 | TMatrixD *par1 = (TMatrixD*)align->fArraySectorIntParam.At(i); | |
2206 | if (!par1) continue; | |
2207 | // | |
2208 | TMatrixD *cov0 = (TMatrixD*)fArraySectorIntCovar.At(i); | |
2209 | TMatrixD *cov1 = (TMatrixD*)align->fArraySectorIntCovar.At(i); | |
2210 | UpdateSectorKalman(*par0,*cov0,*par1,*cov1); | |
2211 | } | |
2212 | if (!fSectorParamA){ | |
2213 | MakeKalman(); | |
2214 | } | |
2215 | if (align->fSectorParamA){ | |
2216 | UpdateKalman(*fSectorParamA,*fSectorCovarA,*align->fSectorParamA,*align->fSectorCovarA); | |
2217 | UpdateKalman(*fSectorParamC,*fSectorCovarC,*align->fSectorParamC,*align->fSectorCovarC); | |
2218 | } | |
4486a91f | 2219 | if (!fClusterDelta[1]) MakeResidualHistos(); |
2220 | ||
b842d904 | 2221 | for (Int_t i=0; i<6; i++){ |
4486a91f | 2222 | if (i==0 || i==3){ |
2223 | delete fClusterDelta[i]; // memory problem do not fit into memory | |
2224 | fClusterDelta[i]=0; // | |
2225 | delete align->fClusterDelta[i]; // memory problem do not fit into memory | |
2226 | align->fClusterDelta[i]=0; // | |
2227 | } | |
2228 | if (i==3) continue; // skip constrained histo z | |
2229 | if (i==0) continue; // skip non constrained histo y | |
b842d904 | 2230 | if (align->fClusterDelta[i]) fClusterDelta[i]->Add(align->fClusterDelta[i]); |
2231 | } | |
60721370 | 2232 | |
2233 | for (Int_t i=0; i<4; i++){ | |
2234 | if (!fTrackletDelta[i] && align->fTrackletDelta[i]) { | |
2235 | fTrackletDelta[i]= (THnSparse*)(align->fTrackletDelta[i]->Clone()); | |
2236 | continue; | |
2237 | } | |
2238 | if (align->fTrackletDelta[i]) fTrackletDelta[i]->Add(align->fTrackletDelta[i]); | |
2239 | } | |
2240 | ||
ae0ac7be | 2241 | } |
108953e9 | 2242 | |
6f387311 | 2243 | 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){ |
2244 | // | |
2245 | // GetTransformed value | |
2246 | // | |
2247 | // | |
2248 | // x2 = a00*x1 + a01*y1 + a02*z1 + a03 | |
2249 | // y2 = a10*x1 + a11*y1 + a12*z1 + a13 | |
2250 | // z2 = a20*x1 + a21*y1 + a22*z1 + a23 | |
2251 | // dydx2 = (a10 + a11*dydx1 + a12*dzdx1)/(a00 + a01*dydx1 + a02*dzdx1) | |
2252 | // dzdx2 = (a20 + a21*dydx1 + a22*dzdx1)/(a00 + a01*dydx1 + a02*dzdx1) | |
2253 | ||
2254 | ||
2255 | const TMatrixD * mat = GetTransformation(s1,s2,type); | |
2256 | if (!mat) { | |
2257 | if (value==0) return x1; | |
2258 | if (value==1) return y1; | |
2259 | if (value==2) return z1; | |
2260 | if (value==3) return dydx1; | |
2261 | if (value==4) return dzdx1; | |
2262 | // | |
2263 | if (value==5) return dydx1; | |
2264 | if (value==6) return dzdx1; | |
2265 | return 0; | |
2266 | } | |
2267 | Double_t valT=0; | |
108953e9 | 2268 | |
6f387311 | 2269 | if (value==0){ |
2270 | valT = (*mat)(0,0)*x1+(*mat)(0,1)*y1+(*mat)(0,2)*z1+(*mat)(0,3); | |
2271 | } | |
2272 | ||
2273 | if (value==1){ | |
2274 | valT = (*mat)(1,0)*x1+(*mat)(1,1)*y1+(*mat)(1,2)*z1+(*mat)(1,3); | |
2275 | } | |
2276 | if (value==2){ | |
2277 | valT = (*mat)(2,0)*x1+(*mat)(2,1)*y1+(*mat)(2,2)*z1+(*mat)(2,3); | |
2278 | } | |
2279 | if (value==3){ | |
2280 | // dydx2 = (a10 + a11*dydx1 + a12*dzdx1)/(a00 + a01*dydx1 + a02*dzdx1) | |
2281 | valT = (*mat)(1,0) +(*mat)(1,1)*dydx1 +(*mat)(1,2)*dzdx1; | |
2282 | valT/= ((*mat)(0,0) +(*mat)(0,1)*dydx1 +(*mat)(0,2)*dzdx1); | |
2283 | } | |
2284 | ||
2285 | if (value==4){ | |
2286 | // dzdx2 = (a20 + a21*dydx1 + a22*dzdx1)/(a00 + a01*dydx1 + a02*dzdx1) | |
2287 | valT = (*mat)(2,0) +(*mat)(2,1)*dydx1 +(*mat)(2,2)*dzdx1; | |
2288 | valT/= ((*mat)(0,0) +(*mat)(0,1)*dydx1 +(*mat)(0,2)*dzdx1); | |
2289 | } | |
2290 | // | |
2291 | if (value==5){ | |
2292 | // onlys shift in angle | |
2293 | // dydx2 = (a10 + a11*dydx1 + a12*dzdx1)/(a00 + a01*dydx1 + a02*dzdx1) | |
2294 | valT = (*mat)(1,0) +(*mat)(1,1)*dydx1; | |
2295 | } | |
2296 | ||
2297 | if (value==6){ | |
2298 | // only shift in angle | |
2299 | // dzdx2 = (a20 + a21*dydx1 + a22*dzdx1)/(a00 + a01*dydx1 + a02*dzdx1) | |
2300 | valT = (*mat)(2,0) +(*mat)(2,1)*dydx1; | |
2301 | } | |
2302 | // | |
2303 | return valT; | |
2304 | } | |
108953e9 | 2305 | |
2306 | ||
1d82fc56 | 2307 | void AliTPCcalibAlign::Constrain1Pt(AliExternalTrackParam &track1, const AliExternalTrackParam &track2, Bool_t noField){ |
2308 | // | |
2309 | // Update track parameters t1 | |
2310 | // | |
2311 | TMatrixD vecXk(5,1); // X vector | |
2312 | TMatrixD covXk(5,5); // X covariance | |
2313 | TMatrixD matHk(1,5); // vector to mesurement | |
2314 | TMatrixD measR(1,1); // measurement error | |
2315 | //TMatrixD matQk(5,5); // prediction noise vector | |
2316 | TMatrixD vecZk(1,1); // measurement | |
2317 | // | |
2318 | TMatrixD vecYk(1,1); // Innovation or measurement residual | |
2319 | TMatrixD matHkT(5,1); | |
2320 | TMatrixD matSk(1,1); // Innovation (or residual) covariance | |
2321 | TMatrixD matKk(5,1); // Optimal Kalman gain | |
2322 | TMatrixD mat1(5,5); // update covariance matrix | |
2323 | TMatrixD covXk2(5,5); // | |
2324 | TMatrixD covOut(5,5); | |
2325 | // | |
2326 | Double_t *param1=(Double_t*) track1.GetParameter(); | |
2327 | Double_t *covar1=(Double_t*) track1.GetCovariance(); | |
2328 | ||
2329 | // | |
2330 | // copy data to the matrix | |
2331 | for (Int_t ipar=0; ipar<5; ipar++){ | |
2332 | vecXk(ipar,0) = param1[ipar]; | |
2333 | for (Int_t jpar=0; jpar<5; jpar++){ | |
2334 | covXk(ipar,jpar) = covar1[track1.GetIndex(ipar, jpar)]; | |
2335 | } | |
2336 | } | |
2337 | // | |
2338 | // | |
2339 | // | |
2340 | vecZk(0,0) = track2.GetParameter()[4]; // 1/pt measurement from track 2 | |
2341 | measR(0,0) = track2.GetCovariance()[14]; // 1/pt measurement error | |
2342 | if (noField) { | |
2343 | measR(0,0)*=0.000000001; | |
2344 | vecZk(0,0)=0.; | |
2345 | } | |
2346 | // | |
2347 | matHk(0,0)=0; matHk(0,1)= 0; matHk(0,2)= 0; | |
2348 | matHk(0,3)= 0; matHk(0,4)= 1; // vector to measurement | |
2349 | // | |
2350 | // | |
2351 | // | |
2352 | vecYk = vecZk-matHk*vecXk; // Innovation or measurement residual | |
2353 | matHkT=matHk.T(); matHk.T(); | |
2354 | matSk = (matHk*(covXk*matHkT))+measR; // Innovation (or residual) covariance | |
2355 | matSk.Invert(); | |
2356 | matKk = (covXk*matHkT)*matSk; // Optimal Kalman gain | |
2357 | vecXk += matKk*vecYk; // updated vector | |
2358 | mat1(0,0)=1; mat1(1,1)=1; mat1(2,2)=1; mat1(3,3)=1; mat1(4,4)=1; | |
2359 | covXk2 = (mat1-(matKk*matHk)); | |
2360 | covOut = covXk2*covXk; | |
2361 | // | |
2362 | // | |
2363 | // | |
2364 | // copy from matrix to parameters | |
2365 | if (0) { | |
2366 | covOut.Print(); | |
2367 | vecXk.Print(); | |
2368 | covXk.Print(); | |
2369 | track1.Print(); | |
2370 | track2.Print(); | |
2371 | } | |
2372 | ||
2373 | for (Int_t ipar=0; ipar<5; ipar++){ | |
2374 | param1[ipar]= vecXk(ipar,0) ; | |
2375 | for (Int_t jpar=0; jpar<5; jpar++){ | |
2376 | covar1[track1.GetIndex(ipar, jpar)]=covOut(ipar,jpar); | |
2377 | } | |
2378 | } | |
2379 | ||
2380 | } | |
2381 | ||
2382 | void AliTPCcalibAlign::GlobalAlign6(Int_t minPoints, Float_t sysError, Int_t niter){ | |
2383 | // | |
2384 | // Global Align -combine the partial alignment of pair of sectors | |
2385 | // minPoints - minimal number of points - don't use sector alignment wit smaller number | |
2386 | // sysError - error added to the alignemnt error | |
2387 | // | |
2388 | AliTPCcalibAlign * align = this; | |
2389 | TMatrixD * arrayAlign[72]; | |
2390 | TMatrixD * arrayAlignDiff[72]; | |
2391 | // | |
2392 | for (Int_t i=0;i<72; i++) { | |
2393 | TMatrixD * mat = new TMatrixD(4,4); | |
2394 | mat->UnitMatrix(); | |
2395 | arrayAlign[i]=mat; | |
2396 | arrayAlignDiff[i]=(TMatrixD*)(mat->Clone()); | |
2397 | } | |
2398 | ||
2399 | TTreeSRedirector *cstream = new TTreeSRedirector("galign6.root"); | |
2400 | for (Int_t iter=0; iter<niter;iter++){ | |
2401 | printf("Iter=\t%d\n",iter); | |
2402 | for (Int_t is0=0;is0<72; is0++) { | |
2403 | // | |
2404 | //TMatrixD *mati0 = arrayAlign[is0]; | |
2405 | TMatrixD matDiff(4,4); | |
2406 | Double_t sumw=0; | |
2407 | for (Int_t is1=0;is1<72; is1++) { | |
2408 | Bool_t invers=kFALSE; | |
2409 | Int_t npoints=0; | |
2410 | TMatrixD covar; | |
2411 | TVectorD errors; | |
2412 | const TMatrixD *mat = align->GetTransformation(is0,is1,0); | |
2413 | if (mat){ | |
2414 | npoints = align->GetFitter6(is0,is1)->GetNpoints(); | |
2415 | if (npoints>minPoints){ | |
2416 | align->GetFitter6(is0,is1)->GetCovarianceMatrix(covar); | |
2417 | align->GetFitter6(is0,is1)->GetErrors(errors); | |
2418 | } | |
2419 | } | |
2420 | else{ | |
2421 | invers=kTRUE; | |
2422 | mat = align->GetTransformation(is1,is0,0); | |
2423 | if (mat) { | |
2424 | npoints = align->GetFitter6(is1,is0)->GetNpoints(); | |
2425 | if (npoints>minPoints){ | |
2426 | align->GetFitter6(is1,is0)->GetCovarianceMatrix(covar); | |
2427 | align->GetFitter6(is1,is0)->GetErrors(errors); | |
2428 | } | |
2429 | } | |
2430 | } | |
2431 | if (!mat) continue; | |
2432 | if (npoints<minPoints) continue; | |
2433 | // | |
2434 | Double_t weight=1; | |
2435 | if (is1/36>is0/36) weight*=2./3.; //IROC-OROC | |
2436 | if (is1/36<is0/36) weight*=1./3.; //OROC-IROC | |
2437 | if (is1/36==is0/36) weight*=1/3.; //OROC-OROC | |
2438 | if (is1%36!=is0%36) weight*=1/2.; //Not up-down | |
774a5ee9 | 2439 | weight/=(errors[4]*errors[4]+sysError*sysError); // wieghting with error in Y |
1d82fc56 | 2440 | // |
2441 | // | |
2442 | TMatrixD matT = *mat; | |
2443 | if (invers) matT.Invert(); | |
2444 | TMatrixD diffMat= (*(arrayAlign[is1]))*matT; | |
2445 | diffMat-=(*arrayAlign[is0]); | |
2446 | matDiff+=weight*diffMat; | |
2447 | sumw+=weight; | |
2448 | ||
2449 | (*cstream)<<"LAlign"<< | |
2450 | "iter="<<iter<< | |
2451 | "s0="<<is0<< | |
2452 | "s1="<<is1<< | |
2453 | "npoints="<<npoints<< | |
2454 | "m60.="<<arrayAlign[is0]<< | |
2455 | "m61.="<<arrayAlign[is1]<< | |
2456 | "m01.="<<&matT<< | |
2457 | "diff.="<<&diffMat<< | |
2458 | "cov.="<<&covar<< | |
2459 | "err.="<<&errors<< | |
2460 | "\n"; | |
2461 | } | |
2462 | if (sumw>0){ | |
2463 | matDiff*=1/sumw; | |
2464 | matDiff(0,0)=0; | |
2465 | matDiff(1,1)=0; | |
2466 | matDiff(1,1)=0; | |
2467 | matDiff(1,1)=0; | |
2468 | (*arrayAlignDiff[is0]) = matDiff; | |
2469 | } | |
2470 | } | |
2471 | for (Int_t is0=0;is0<72; is0++) { | |
2472 | if (is0<36) (*arrayAlign[is0]) += 0.4*(*arrayAlignDiff[is0]); | |
2473 | if (is0>=36) (*arrayAlign[is0]) += 0.2*(*arrayAlignDiff[is0]); | |
2474 | // | |
2475 | (*cstream)<<"GAlign"<< | |
2476 | "iter="<<iter<< | |
2477 | "s0="<<is0<< | |
2478 | "m6.="<<arrayAlign[is0]<< | |
2479 | "\n"; | |
2480 | } | |
2481 | } | |
774a5ee9 | 2482 | |
1d82fc56 | 2483 | delete cstream; |
2484 | for (Int_t isec=0;isec<72;isec++){ | |
2485 | fCombinedMatrixArray6.AddAt(arrayAlign[isec],isec); | |
2486 | delete arrayAlignDiff[isec]; | |
2487 | } | |
2488 | } | |
2489 | ||
108953e9 | 2490 | |
774a5ee9 | 2491 | 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){ |
2492 | // | |
2493 | // Refit tracklet linearly using clusters at given sector isec | |
2494 | // Clusters are rotated to the reference frame of sector refSector | |
2495 | // | |
2496 | // fit parameters and errors retruning in the fitParam | |
2497 | // | |
2498 | // seed - acces to the original clusters | |
2499 | // isec - sector to be refited | |
2500 | // fitParam - | |
2501 | // 0 lx | |
2502 | // 1 ly | |
2503 | // 2 dy/dz | |
2504 | // 3 lz | |
2505 | // 4 dz/dx | |
2506 | // 5 sx | |
2507 | // 6 sy | |
2508 | // 7 sdydx | |
2509 | // 8 sz | |
2510 | // 9 sdzdx | |
2511 | // ref sector is the sector defining ref frame - rotation | |
2512 | // return value - number of used clusters | |
2513 | ||
2514 | const Int_t kMinClusterF=15; | |
2515 | const Int_t kdrow1 =10; // rows to skip at the end | |
2516 | const Int_t kdrow0 =3; // rows to skip at beginning | |
2517 | const Float_t kedgeyIn=2.5; | |
2518 | const Float_t kedgeyOut=4.0; | |
2519 | const Float_t kMaxDist=5; // max distance -in sigma | |
2520 | const Float_t kMaxCorrY=0.05; // max correction | |
2521 | // | |
2522 | Double_t dalpha = 0; | |
2523 | if ((refSector%18)!=(isec%18)){ | |
2524 | dalpha = -((refSector%18)-(isec%18))*TMath::TwoPi()/18.; | |
2525 | } | |
2526 | Double_t ca = TMath::Cos(dalpha); | |
2527 | Double_t sa = TMath::Sin(dalpha); | |
2528 | // | |
2529 | // | |
2530 | AliTPCPointCorrection * corr = AliTPCPointCorrection::Instance(); | |
2531 | // | |
2532 | // full track fit parameters | |
2533 | // | |
4486a91f | 2534 | static TLinearFitter fyf(2,"pol1"); // change to static - suggestion of calgrind - 30 % of time |
2535 | static TLinearFitter fzf(2,"pol1"); // relative to time of given class | |
774a5ee9 | 2536 | TVectorD pyf(2), peyf(2),pzf(2), pezf(2); |
2537 | TMatrixD covY(4,4),covZ(4,4); | |
2538 | Double_t chi2FacY =1; | |
2539 | Double_t chi2FacZ =1; | |
2540 | Int_t nf=0; | |
2541 | // | |
2542 | // | |
2543 | // | |
2544 | Float_t erry=0.1; // initial cluster error estimate | |
2545 | Float_t errz=0.1; // initial cluster error estimate | |
2546 | for (Int_t iter=0; iter<2; iter++){ | |
2547 | fyf.ClearPoints(); | |
2548 | fzf.ClearPoints(); | |
2549 | for (Int_t irow=kdrow0;irow<159-kdrow1;irow++) { | |
2550 | AliTPCclusterMI *c=track->GetClusterPointer(irow); | |
2551 | if (!c) continue; | |
2552 | // | |
2553 | if (c->GetDetector()%36!=(isec%36)) continue; | |
2554 | if (!both && c->GetDetector()!=isec) continue; | |
108953e9 | 2555 | |
774a5ee9 | 2556 | if (c->GetRow()<kdrow0) continue; |
2557 | //cluster position in reference frame | |
2558 | Double_t lxR = ca*c->GetX()-sa*c->GetY(); | |
2559 | Double_t lyR = +sa*c->GetX()+ca*c->GetY(); | |
2560 | Double_t lzR = c->GetZ(); | |
6f387311 | 2561 | |
774a5ee9 | 2562 | Double_t dx = lxR -xRef; // distance to reference X |
2563 | Double_t x[2]={dx, dx*dx}; | |
6f387311 | 2564 | |
774a5ee9 | 2565 | Double_t yfitR = pyf[0]+pyf[1]*dx; // fit value Y in ref frame |
2566 | Double_t zfitR = pzf[0]+pzf[1]*dx; // fit value Z in ref frame | |
2567 | // | |
2568 | Double_t yfit = -sa*lxR + ca*yfitR; // fit value Y in local frame | |
2569 | // | |
2570 | if (iter==0 &&c->GetType()<0) continue; | |
2571 | if (iter>0){ | |
2572 | if (TMath::Abs(lyR-yfitR)>kMaxDist*erry) continue; | |
2573 | if (TMath::Abs(lzR-zfitR)>kMaxDist*errz) continue; | |
2574 | Double_t dedge = c->GetX()*TMath::Tan(TMath::Pi()/18.)-TMath::Abs(yfit); | |
2575 | if (isec<36 && dedge<kedgeyIn) continue; | |
2576 | if (isec>35 && dedge<kedgeyOut) continue; | |
2577 | Double_t corrtrY = | |
2578 | corr->RPhiCOGCorrection(isec,c->GetRow(), c->GetPad(), | |
2579 | c->GetY(),yfit, c->GetZ(), pyf[1], c->GetMax(),2.5); | |
2580 | Double_t corrclY = | |
2581 | corr->RPhiCOGCorrection(isec,c->GetRow(), c->GetPad(), | |
2582 | c->GetY(),c->GetY(), c->GetZ(), pyf[1], c->GetMax(),2.5); | |
2583 | if (TMath::Abs((corrtrY+corrclY)*0.5)>kMaxCorrY) continue; | |
2584 | if (TMath::Abs(corrtrY)>kMaxCorrY) continue; | |
2585 | } | |
2586 | fyf.AddPoint(x,lyR,erry); | |
2587 | fzf.AddPoint(x,lzR,errz); | |
2588 | } | |
2589 | nf = fyf.GetNpoints(); | |
2590 | if (nf<kMinClusterF) return 0; // not enough points - skip | |
2591 | fyf.Eval(); | |
2592 | fyf.GetParameters(pyf); | |
2593 | fyf.GetErrors(peyf); | |
2594 | fzf.Eval(); | |
2595 | fzf.GetParameters(pzf); | |
2596 | fzf.GetErrors(pezf); | |
2597 | chi2FacY = TMath::Sqrt(fyf.GetChisquare()/(fyf.GetNpoints()-2.)); | |
2598 | chi2FacZ = TMath::Sqrt(fzf.GetChisquare()/(fzf.GetNpoints()-2.)); | |
2599 | peyf[0]*=chi2FacY; | |
2600 | peyf[1]*=chi2FacY; | |
2601 | pezf[0]*=chi2FacZ; | |
2602 | pezf[1]*=chi2FacZ; | |
2603 | erry*=chi2FacY; | |
2604 | errz*=chi2FacZ; | |
2605 | fyf.GetCovarianceMatrix(covY); | |
2606 | fzf.GetCovarianceMatrix(covZ); | |
2607 | for (Int_t i0=0;i0<2;i0++) | |
2608 | for (Int_t i1=0;i1<2;i1++){ | |
2609 | covY(i0,i1)*=chi2FacY*chi2FacY; | |
2610 | covZ(i0,i1)*=chi2FacZ*chi2FacZ; | |
2611 | } | |
2612 | } | |
2613 | fitParam[0] = xRef; | |
2614 | // | |
2615 | fitParam[1] = pyf[0]; | |
2616 | fitParam[2] = pyf[1]; | |
2617 | fitParam[3] = pzf[0]; | |
2618 | fitParam[4] = pzf[1]; | |
2619 | // | |
2620 | fitParam[5] = 0; | |
2621 | fitParam[6] = peyf[0]; | |
2622 | fitParam[7] = peyf[1]; | |
2623 | fitParam[8] = pezf[0]; | |
2624 | fitParam[9] = pezf[1]; | |
2625 | // | |
2626 | // | |
2627 | tparam(0,0) = pyf[0]; | |
2628 | tparam(1,0) = pyf[1]; | |
2629 | tparam(2,0) = pzf[0]; | |
2630 | tparam(3,0) = pzf[1]; | |
2631 | // | |
2632 | tcovar(0,0) = covY(0,0); | |
2633 | tcovar(1,1) = covY(1,1); | |
2634 | tcovar(1,0) = covY(1,0); | |
2635 | tcovar(0,1) = covY(0,1); | |
2636 | tcovar(2,2) = covZ(0,0); | |
2637 | tcovar(3,3) = covZ(1,1); | |
2638 | tcovar(3,2) = covZ(1,0); | |
2639 | tcovar(2,3) = covZ(0,1); | |
2640 | return nf; | |
2641 | } | |
6f387311 | 2642 | |
774a5ee9 | 2643 | void AliTPCcalibAlign::UpdateAlignSector(const AliTPCseed * track,Int_t isec){ |
2644 | // | |
2645 | // Update Kalman filter of Alignment | |
2646 | // IROC - OROC quadrants | |
2647 | // | |
b842d904 | 2648 | if (!fClusterDelta[0]) MakeResidualHistos(); |
774a5ee9 | 2649 | const Int_t kMinClusterF=40; |
2650 | const Int_t kMinClusterQ=10; | |
2651 | // | |
b842d904 | 2652 | const Int_t kdrow1Fit =5; // rows to skip from fit at the end |
2653 | const Int_t kdrow0Fit =10; // rows to skip from fit at beginning | |
774a5ee9 | 2654 | const Float_t kedgey=3.0; |
b842d904 | 2655 | const Float_t kMaxDist=1; |
774a5ee9 | 2656 | const Float_t kMaxCorrY=0.05; |
2657 | const Float_t kPRFWidth = 0.6; //cut 2 sigma of PRF | |
2658 | isec = isec%36; // use the hardware numbering | |
2659 | // | |
2660 | // | |
2661 | AliTPCPointCorrection * corr = AliTPCPointCorrection::Instance(); | |
2662 | // | |
2663 | // full track fit parameters | |
2664 | // | |
4486a91f | 2665 | static TLinearFitter fyf(2,"pol1"); // make it static - too much time for comiling of formula |
2666 | static TLinearFitter fzf(2,"pol1"); // calgrind recomendation | |
774a5ee9 | 2667 | TVectorD pyf(2), peyf(2),pzf(2), pezf(2); |
b842d904 | 2668 | TVectorD pyfc(2),pzfc(2); |
774a5ee9 | 2669 | Int_t nf=0; |
2670 | // | |
2671 | // make full fit as reference | |
2672 | // | |
2673 | for (Int_t iter=0; iter<2; iter++){ | |
2674 | fyf.ClearPoints(); | |
4486a91f | 2675 | fzf.ClearPoints(); |
b842d904 | 2676 | for (Int_t irow=kdrow0Fit;irow<159-kdrow1Fit;irow++) { |
774a5ee9 | 2677 | AliTPCclusterMI *c=track->GetClusterPointer(irow); |
2678 | if (!c) continue; | |
2679 | if ((c->GetDetector()%36)!=isec) continue; | |
b842d904 | 2680 | if (c->GetRow()<kdrow0Fit) continue; |
774a5ee9 | 2681 | Double_t dx = c->GetX()-fXmiddle; |
2682 | Double_t x[2]={dx, dx*dx}; | |
2683 | if (iter==0 &&c->GetType()<0) continue; | |
2684 | if (iter==1){ | |
2685 | Double_t yfit = pyf[0]+pyf[1]*dx; | |
b842d904 | 2686 | Double_t zfit = pzf[0]+pzf[1]*dx; |
774a5ee9 | 2687 | Double_t dedge = c->GetX()*TMath::Tan(TMath::Pi()/18.)-TMath::Abs(yfit); |
2688 | if (TMath::Abs(c->GetY()-yfit)>kMaxDist) continue; | |
b842d904 | 2689 | if (TMath::Abs(c->GetZ()-zfit)>kMaxDist) continue; |
774a5ee9 | 2690 | if (dedge<kedgey) continue; |
2691 | Double_t corrtrY = | |
2692 | corr->RPhiCOGCorrection(c->GetDetector(),c->GetRow(), c->GetPad(), | |
2693 | c->GetY(),yfit, c->GetZ(), pyf[1], c->GetMax(),2.5); | |
2694 | if (TMath::Abs(corrtrY)>kMaxCorrY) continue; | |
2695 | } | |
2696 | fyf.AddPoint(x,c->GetY(),0.1); | |
2697 | fzf.AddPoint(x,c->GetZ(),0.1); | |
2698 | } | |
2699 | nf = fyf.GetNpoints(); | |
2700 | if (nf<kMinClusterF) return; // not enough points - skip | |
2701 | fyf.Eval(); | |
2702 | fyf.GetParameters(pyf); | |
2703 | fyf.GetErrors(peyf); | |
2704 | fzf.Eval(); | |
2705 | fzf.GetParameters(pzf); | |
2706 | fzf.GetErrors(pezf); | |
2707 | } | |
2708 | // | |
b842d904 | 2709 | // |
2710 | // | |
b322e06a | 2711 | TVectorD vecX(2*nf+kdrow0Fit+kdrow1Fit+5); // x vector |
2712 | TVectorD vecY(2*nf+kdrow0Fit+kdrow1Fit+5); // residuals vector | |
2713 | TVectorD vecZ(2*nf+kdrow0Fit+kdrow1Fit+5); // residuals vector | |
b842d904 | 2714 | TVectorD vPosG(3); //vertex position |
2715 | TVectorD vPosL(3); // vertex position in the TPC local system | |
2716 | TVectorF vImpact(2); //track impact parameter | |
2717 | Double_t tofSignal= fCurrentTrack->GetTOFsignal(); // tof signal | |
2718 | TVectorF tpcPosG(3); // global position of track at the middle of fXmiddle | |
2719 | Double_t lphi = TMath::ATan2(pyf[0],fXmiddle); // expected local phi angle - if vertex at 0 | |
2720 | Double_t gphi = 2.*TMath::Pi()*(isec%18+0.5)/18.+lphi; // expected global phi if vertex at 0 | |
2721 | Double_t ky = pyf[0]/fXmiddle; | |
2722 | Double_t kyE =0, kzE=0; // ky and kz expected | |
2723 | Double_t alpha =2.*TMath::Pi()*(isec%18+0.5)/18.; | |
2724 | Double_t scos=TMath::Cos(alpha); | |
2725 | Double_t ssin=TMath::Sin(alpha); | |
2726 | const AliESDVertex* vertex = fCurrentEvent->GetPrimaryVertexTracks(); | |
2727 | vertex->GetXYZ(vPosG.GetMatrixArray()); | |
2728 | fCurrentTrack->GetImpactParameters(vImpact[0],vImpact[1]); // track impact parameters | |
2729 | // | |
2730 | tpcPosG[0]= scos*fXmiddle-ssin*pyf[0]; | |
2731 | tpcPosG[1]=+ssin*fXmiddle+scos*pyf[0]; | |
2732 | tpcPosG[2]=pzf[0]; | |
2733 | vPosL[0]= scos*vPosG[0]+ssin*vPosG[1]; | |
2734 | vPosL[1]=-ssin*vPosG[0]+scos*vPosG[1]; | |
2735 | vPosL[2]= vPosG[2]; | |
2736 | kyE = (pyf[0]-vPosL[1])/(fXmiddle-vPosL[0]); | |
2737 | kzE = (pzf[0]-vPosL[2])/(fXmiddle-vPosL[0]); | |
2738 | // | |
2739 | // get constrained parameters | |
2740 | // | |
2741 | Double_t xvertex=vPosL[0]-fXmiddle; | |
2742 | fyf.AddPoint(&xvertex,vPosL[1], 0.1+TMath::Abs(vImpact[0])); | |
2743 | fzf.AddPoint(&xvertex,vPosL[2], 0.1+TMath::Abs(vImpact[1])); | |
2744 | fyf.Eval(); | |
2745 | fyf.GetParameters(pyfc); | |
2746 | fzf.Eval(); | |
2747 | fzf.GetParameters(pzfc); | |
2748 | // | |
2749 | // | |
774a5ee9 | 2750 | // Make Fitters and params for 5 fitters |
2751 | // 1-4 OROC quadrants | |
2752 | // 0 IROC | |
2753 | // | |
4486a91f | 2754 | static TLinearFitter *fittersY[5]={0,0,0,0,0}; // calgrind recomendation - fater to clear points |
2755 | static TLinearFitter *fittersZ[5]={0,0,0,0,0}; // than create the fitter | |
2756 | if (fittersY[0]==0){ | |
2757 | for (Int_t i=0;i<5;i++) { | |
2758 | fittersY[i] = new TLinearFitter(2,"pol1"); | |
2759 | fittersZ[i] = new TLinearFitter(2,"pol1"); | |
2760 | } | |
2761 | } | |
2762 | // | |
774a5ee9 | 2763 | Int_t npoints[5]; |
2764 | TVectorD paramsY[5]; | |
2765 | TVectorD errorsY[5]; | |
2766 | TMatrixD covY[5]; | |
2767 | Double_t chi2CY[5]; | |
2768 | TVectorD paramsZ[5]; | |
2769 | TVectorD errorsZ[5]; | |
2770 | TMatrixD covZ[5]; | |
2771 | Double_t chi2CZ[5]; | |
2772 | for (Int_t i=0;i<5;i++) { | |
2773 | npoints[i]=0; | |
774a5ee9 | 2774 | paramsY[i].ResizeTo(2); |
2775 | errorsY[i].ResizeTo(2); | |
2776 | covY[i].ResizeTo(2,2); | |
774a5ee9 | 2777 | paramsZ[i].ResizeTo(2); |
2778 | errorsZ[i].ResizeTo(2); | |
2779 | covZ[i].ResizeTo(2,2); | |
4486a91f | 2780 | fittersY[i]->ClearPoints(); |
2781 | fittersZ[i]->ClearPoints(); | |
774a5ee9 | 2782 | } |
2783 | // | |
2784 | // Update fitters | |
2785 | // | |
b842d904 | 2786 | Int_t countRes=0; |
2787 | for (Int_t irow=0;irow<159;irow++) { | |
774a5ee9 | 2788 | AliTPCclusterMI *c=track->GetClusterPointer(irow); |
2789 | if (!c) continue; | |
2790 | if ((c->GetDetector()%36)!=isec) continue; | |
774a5ee9 | 2791 | Double_t dx = c->GetX()-fXmiddle; |
2792 | Double_t x[2]={dx, dx*dx}; | |
2793 | Double_t yfit = pyf[0]+pyf[1]*dx; | |
b842d904 | 2794 | Double_t zfit = pzf[0]+pzf[1]*dx; |
2795 | Double_t yfitC = pyfc[0]+pyfc[1]*dx; | |
2796 | Double_t zfitC = pzfc[0]+pzfc[1]*dx; | |
774a5ee9 | 2797 | Double_t dedge = c->GetX()*TMath::Tan(TMath::Pi()/18.)-TMath::Abs(yfit); |
2798 | if (TMath::Abs(c->GetY()-yfit)>kMaxDist) continue; | |
b842d904 | 2799 | if (TMath::Abs(c->GetZ()-zfit)>kMaxDist) continue; |
774a5ee9 | 2800 | if (dedge<kedgey) continue; |
2801 | Double_t corrtrY = | |
2802 | corr->RPhiCOGCorrection(c->GetDetector(),c->GetRow(), c->GetPad(), | |
2803 | c->GetY(),yfit, c->GetZ(), pyf[1], c->GetMax(),2.5); | |
2804 | if (TMath::Abs(corrtrY)>kMaxCorrY) continue; | |
b842d904 | 2805 | // |
2806 | vecX[countRes]=c->GetX(); | |
2807 | vecY[countRes]=c->GetY()-yfit; | |
2808 | vecZ[countRes]=c->GetZ()-zfit; | |
2809 | countRes++; | |
2810 | // | |
2811 | // Fill THnSparse cluster residuals | |
2812 | // use only primary candidates with ITS signal | |
2813 | if (nf>100&&fCurrentTrack->IsOn(0x4)&&TMath::Abs(vImpact[0])<1&&TMath::Abs(vImpact[1])<1){ | |
2814 | Double_t resVector[5]; | |
2815 | resVector[1]= 9.*gphi/TMath::Pi(); | |
2816 | resVector[2]= c->GetX(); | |
2817 | resVector[3]= c->GetY()/c->GetX(); | |
2818 | resVector[4]= c->GetZ()/c->GetX(); | |
2819 | // | |
2820 | resVector[0]= c->GetY()-yfit; | |
4486a91f | 2821 | //fClusterDelta[0]->Fill(resVector); |
b842d904 | 2822 | resVector[0]= c->GetZ()-zfit; |
2823 | fClusterDelta[1]->Fill(resVector); | |
2824 | // | |
2825 | resVector[0]= c->GetY()-yfitC; | |
2826 | fClusterDelta[2]->Fill(resVector); | |
2827 | resVector[0]= c->GetZ()-zfitC; | |
4486a91f | 2828 | //fClusterDelta[3]->Fill(resVector); |
b842d904 | 2829 | |
2830 | } | |
2831 | if (c->GetRow()<kdrow0Fit) continue; | |
2832 | if (c->GetRow()>159-kdrow1Fit) continue; | |
2833 | // | |
2834 | ||
774a5ee9 | 2835 | if (c->GetDetector()>35){ |
2836 | if (c->GetX()<fXquadrant){ | |
2837 | if (yfit<-kPRFWidth) fittersY[1]->AddPoint(x,c->GetY(),0.1); | |
2838 | if (yfit<-kPRFWidth) fittersZ[1]->AddPoint(x,c->GetZ(),0.1); | |
2839 | if (yfit>kPRFWidth) fittersY[2]->AddPoint(x,c->GetY(),0.1); | |
2840 | if (yfit>kPRFWidth) fittersZ[2]->AddPoint(x,c->GetZ(),0.1); | |
2841 | } | |
2842 | if (c->GetX()>fXquadrant){ | |
2843 | if (yfit<-kPRFWidth) fittersY[3]->AddPoint(x,c->GetY(),0.1); | |
2844 | if (yfit<-kPRFWidth) fittersZ[3]->AddPoint(x,c->GetZ(),0.1); | |
2845 | if (yfit>kPRFWidth) fittersY[4]->AddPoint(x,c->GetY(),0.1); | |
2846 | if (yfit>kPRFWidth) fittersZ[4]->AddPoint(x,c->GetZ(),0.1); | |
2847 | } | |
2848 | } | |
2849 | if (c->GetDetector()<36){ | |
2850 | fittersY[0]->AddPoint(x,c->GetY(),0.1); | |
2851 | fittersZ[0]->AddPoint(x,c->GetZ(),0.1); | |
2852 | } | |
2853 | } | |
2854 | // | |
2855 | // | |
2856 | // | |
2857 | for (Int_t i=0;i<5;i++) { | |
2858 | npoints[i] = fittersY[i]->GetNpoints(); | |
2859 | if (npoints[i]>=kMinClusterQ){ | |
2860 | // Y fit | |
2861 | fittersY[i]->Eval(); | |
2862 | Double_t chi2FacY = TMath::Sqrt(fittersY[i]->GetChisquare()/(fittersY[i]->GetNpoints()-2)); | |
2863 | chi2CY[i]=chi2FacY; | |
2864 | fittersY[i]->GetParameters(paramsY[i]); | |
2865 | fittersY[i]->GetErrors(errorsY[i]); | |
2866 | fittersY[i]->GetCovarianceMatrix(covY[i]); | |
2867 | // renormalize errors | |
2868 | errorsY[i][0]*=chi2FacY; | |
2869 | errorsY[i][1]*=chi2FacY; | |
2870 | covY[i](0,0)*=chi2FacY*chi2FacY; | |
2871 | covY[i](0,1)*=chi2FacY*chi2FacY; | |
2872 | covY[i](1,0)*=chi2FacY*chi2FacY; | |
2873 | covY[i](1,1)*=chi2FacY*chi2FacY; | |
2874 | // Z fit | |
2875 | fittersZ[i]->Eval(); | |
2876 | Double_t chi2FacZ = TMath::Sqrt(fittersZ[i]->GetChisquare()/(fittersZ[i]->GetNpoints()-2)); | |
2877 | chi2CZ[i]=chi2FacZ; | |
2878 | fittersZ[i]->GetParameters(paramsZ[i]); | |
2879 | fittersZ[i]->GetErrors(errorsZ[i]); | |
2880 | fittersZ[i]->GetCovarianceMatrix(covZ[i]); | |
2881 | // renormalize errors | |
2882 | errorsZ[i][0]*=chi2FacZ; | |
2883 | errorsZ[i][1]*=chi2FacZ; | |
2884 | covZ[i](0,0)*=chi2FacZ*chi2FacZ; | |
2885 | covZ[i](0,1)*=chi2FacZ*chi2FacZ; | |
2886 | covZ[i](1,0)*=chi2FacZ*chi2FacZ; | |
2887 | covZ[i](1,1)*=chi2FacZ*chi2FacZ; | |
2888 | } | |
2889 | } | |
774a5ee9 | 2890 | // |
2891 | // void UpdateSectorKalman | |
2892 | // | |
2893 | for (Int_t i0=0;i0<5;i0++){ | |
2894 | for (Int_t i1=i0+1;i1<5;i1++){ | |
2895 | if(npoints[i0]<kMinClusterQ) continue; | |
2896 | if(npoints[i1]<kMinClusterQ) continue; | |
2897 | TMatrixD v0(4,1),v1(4,1); // measurement | |
2898 | TMatrixD cov0(4,4),cov1(4,4); // covariance | |
2899 | // | |
2900 | v0(0,0)= paramsY[i0][0]; v1(0,0)= paramsY[i1][0]; | |
2901 | v0(1,0)= paramsY[i0][1]; v1(1,0)= paramsY[i1][1]; | |
2902 | v0(2,0)= paramsZ[i0][0]; v1(2,0)= paramsZ[i1][0]; | |
2903 | v0(3,0)= paramsZ[i0][1]; v1(3,0)= paramsZ[i1][1]; | |
2904 | //covariance i0 | |
2905 | cov0(0,0) = covY[i0](0,0); | |
2906 | cov0(1,1) = covY[i0](1,1); | |
2907 | cov0(1,0) = covY[i0](1,0); | |
2908 | cov0(0,1) = covY[i0](0,1); | |
2909 | cov0(2,2) = covZ[i0](0,0); | |
2910 | cov0(3,3) = covZ[i0](1,1); | |
2911 | cov0(3,2) = covZ[i0](1,0); | |
2912 | cov0(2,3) = covZ[i0](0,1); | |
2913 | //covariance i1 | |
2914 | cov1(0,0) = covY[i1](0,0); | |
2915 | cov1(1,1) = covY[i1](1,1); | |
2916 | cov1(1,0) = covY[i1](1,0); | |
2917 | cov1(0,1) = covY[i1](0,1); | |
2918 | cov1(2,2) = covZ[i1](0,0); | |
2919 | cov1(3,3) = covZ[i1](1,1); | |
2920 | cov1(3,2) = covZ[i1](1,0); | |
2921 | cov1(2,3) = covZ[i1](0,1); | |
2922 | // | |
2923 | // And now update | |
2924 | // | |
2925 | if (TMath::Abs(pyf[1])<0.8){ //angular cut | |
2926 | UpdateSectorKalman(isec, i0,i1, &v0,&cov0,&v1,&cov1); | |
2927 | } | |
2928 | } | |
2929 | } | |
108953e9 | 2930 | |
774a5ee9 | 2931 | // |
2932 | // Dump debug information | |
2933 | // | |
b842d904 | 2934 | if (fStreamLevel>0){ |
2935 | // get vertex position | |
2936 | // | |
2937 | TTreeSRedirector *cstream = GetDebugStreamer(); | |
2938 | ||
2939 | ||
774a5ee9 | 2940 | if (cstream){ |
2941 | for (Int_t i0=0;i0<5;i0++){ | |
2942 | for (Int_t i1=i0;i1<5;i1++){ | |
2943 | if (i0==i1) continue; | |
2944 | if(npoints[i0]<kMinClusterQ) continue; | |
2945 | if(npoints[i1]<kMinClusterQ) continue; | |
2946 | (*cstream)<<"sectorAlign"<< | |
2947 | "run="<<fRun<< // run number | |
2948 | "event="<<fEvent<< // event number | |
2949 | "time="<<fTime<< // time stamp of event | |
2950 | "trigger="<<fTrigger<< // trigger | |
2951 | "triggerClass="<<&fTriggerClass<< // trigger | |
2952 | "mag="<<fMagF<< // magnetic field | |
2953 | "isec="<<isec<< // current sector | |
b842d904 | 2954 | // |
2955 | "xref="<<fXmiddle<< // reference X | |
2956 | "vPosG.="<<&vPosG<< // vertex position in global system | |
2957 | "vPosL.="<<&vPosL<< // vertex position in local system | |
2958 | "vImpact.="<<&vImpact<< // track impact parameter | |
2959 | "tofSignal="<<tofSignal<< // tof signal | |
2960 | "tpcPosG.="<<&tpcPosG<< // global position of track at the middle of fXmiddle | |
2961 | "lphi="<<lphi<< // expected local phi angle - if vertex at 0 | |
2962 | "gphi="<<gphi<< // expected global phi if vertex at 0 | |
2963 | "ky="<<ky<< | |
2964 | "kyE="<<kyE<< // expect ky - assiming pirmary track | |
2965 | "kzE="<<kzE<< // expected kz - assuming primary tracks | |
2966 | "salpha="<<alpha<< // sector alpha | |
2967 | "scos="<<scos<< // tracking cosinus | |
2968 | "ssin="<<ssin<< // tracking sinus | |
2969 | // | |
774a5ee9 | 2970 | // full fit |
b842d904 | 2971 | // |
774a5ee9 | 2972 | "nf="<<nf<< // total number of points |
2973 | "pyf.="<<&pyf<< // full OROC fit y | |
2974 | "pzf.="<<&pzf<< // full OROC fit z | |
b842d904 | 2975 | "vX.="<<&vecX<< // x cluster |
2976 | "vY.="<<&vecY<< // y residual cluster | |
2977 | "vZ.="<<&vecZ<< // z residual cluster | |
774a5ee9 | 2978 | // quadrant and IROC fit |
2979 | "i0="<<i0<< // quadrant number | |
2980 | "i1="<<i1<< | |
2981 | "n0="<<npoints[i0]<< // number of points | |
2982 | "n1="<<npoints[i1]<< | |
2983 | // | |
2984 | "py0.="<<¶msY[i0]<< // parameters | |
2985 | "py1.="<<¶msY[i1]<< | |
2986 | "ey0.="<<&errorsY[i0]<< // errors | |
2987 | "ey1.="<<&errorsY[i1]<< | |
2988 | "chiy0="<<chi2CY[i0]<< // chi2s | |
2989 | "chiy1="<<chi2CY[i1]<< | |
2990 | // | |
2991 | "pz0.="<<¶msZ[i0]<< // parameters | |
2992 | "pz1.="<<¶msZ[i1]<< | |
2993 | "ez0.="<<&errorsZ[i0]<< // errors | |
2994 | "ez1.="<<&errorsZ[i1]<< | |
2995 | "chiz0="<<chi2CZ[i0]<< // chi2s | |
2996 | "chiz1="<<chi2CZ[i1]<< | |
2997 | "\n"; | |
2998 | } | |
2999 | } | |
3000 | } | |
3001 | } | |
3002 | } | |
bb6bc8f6 | 3003 | |
3326b323 | 3004 | void AliTPCcalibAlign::UpdateSectorKalman(Int_t sector, Int_t quadrant0, Int_t quadrant1, TMatrixD *const p0, TMatrixD *const c0, TMatrixD *const p1, TMatrixD *const c1 ){ |
774a5ee9 | 3005 | // |
3006 | // | |
3007 | // tracks are refitted at sector middle | |
3008 | // | |
3009 | if (fArraySectorIntParam.At(0)==NULL) MakeSectorKalman(); | |
3010 | // | |
3011 | // | |
3012 | static TMatrixD matHk(4,30); // vector to mesurement | |
3013 | static TMatrixD measR(4,4); // measurement error | |
3014 | // static TMatrixD matQk(2,2); // prediction noise vector | |
3015 | static TMatrixD vecZk(4,1); // measurement | |
3016 | // | |
3017 | static TMatrixD vecYk(4,1); // Innovation or measurement residual | |
3018 | static TMatrixD matHkT(30,4); // helper matrix Hk transpose | |
3019 | static TMatrixD matSk(4,4); // Innovation (or residual) covariance | |
3020 | static TMatrixD matKk(30,4); // Optimal Kalman gain | |
3021 | static TMatrixD mat1(30,30); // update covariance matrix | |
3022 | static TMatrixD covXk2(30,30); // helper matrix | |
3023 | // | |
3024 | TMatrixD *vOrig = (TMatrixD*)(fArraySectorIntParam.At(sector)); | |
3025 | TMatrixD *cOrig = (TMatrixD*)(fArraySectorIntCovar.At(sector)); | |
3026 | // | |
3027 | TMatrixD vecXk(*vOrig); // X vector | |
3028 | TMatrixD covXk(*cOrig); // X covariance | |
3029 | // | |
3030 | //Unit matrix | |
3031 | // | |
3032 | for (Int_t i=0;i<30;i++) | |
3033 | for (Int_t j=0;j<30;j++){ | |
3034 | mat1(i,j)=0; | |
3035 | if (i==j) mat1(i,j)=1; | |
3036 | } | |
3037 | // | |
3038 | // | |
3039 | // matHk - vector to measurement | |
3040 | // | |
3041 | for (Int_t i=0;i<4;i++) | |
3042 | for (Int_t j=0;j<30;j++){ | |
3043 | matHk(i,j)=0; | |
3044 | } | |
3045 | // | |
3046 | // Measurement | |
3047 | // 0 - y | |
3048 | // 1 - ky | |
3049 | // 2 - z | |
3050 | // 3 - kz | |
3051 | ||
3052 | matHk(0,6*quadrant1+4) = 1.; // delta y | |
3053 | matHk(1,6*quadrant1+0) = 1.; // delta ky | |
3054 | matHk(2,6*quadrant1+5) = 1.; // delta z | |
3055 | matHk(3,6*quadrant1+1) = 1.; // delta kz | |
3056 | // bug fix 24.02 - aware of sign in dx | |
3057 | matHk(0,6*quadrant1+3) = -(*p0)(1,0); // delta x to delta y - through ky | |
3058 | matHk(2,6*quadrant1+3) = -(*p0)(3,0); // delta x to delta z - thorugh kz | |
3059 | matHk(2,6*quadrant1+2) = ((*p0)(0,0)); // y to delta z - through psiz | |
3060 | // | |
3061 | matHk(0,6*quadrant0+4) = -1.; // delta y | |
3062 | matHk(1,6*quadrant0+0) = -1.; // delta ky | |
3063 | matHk(2,6*quadrant0+5) = -1.; // delta z | |
3064 | matHk(3,6*quadrant0+1) = -1.; // delta kz | |
3065 | // bug fix 24.02 be aware of sign in dx | |
3066 | matHk(0,6*quadrant0+3) = ((*p0)(1,0)); // delta x to delta y - through ky | |
3067 | matHk(2,6*quadrant0+3) = ((*p0)(3,0)); // delta x to delta z - thorugh kz | |
3068 | matHk(2,6*quadrant0+2) = -((*p0)(0,0)); // y to delta z - through psiz | |
bb6bc8f6 | 3069 | |
774a5ee9 | 3070 | // |
3071 | // | |
3072 | ||
3073 | vecZk =(*p1)-(*p0); // measurement | |
3074 | measR =(*c1)+(*c0); // error of measurement | |
3075 | vecYk = vecZk-matHk*vecXk; // Innovation or measurement residual | |
3076 | // | |
3077 | // | |
3078 | matHkT=matHk.T(); matHk.T(); | |
3079 | matSk = (matHk*(covXk*matHkT))+measR; // Innovation (or residual) covariance | |
3080 | matSk.Invert(); | |
3081 | matKk = (covXk*matHkT)*matSk; // Optimal Kalman gain | |
3082 | vecXk += matKk*vecYk; // updated vector | |
3083 | covXk2= (mat1-(matKk*matHk)); | |
3084 | covXk = covXk2*covXk; | |
3085 | // | |
3086 | // | |
3087 | (*cOrig)=covXk; | |
3088 | (*vOrig)=vecXk; | |
3089 | } | |
bb6bc8f6 | 3090 | |
774a5ee9 | 3091 | void AliTPCcalibAlign::MakeSectorKalman(){ |
3092 | // | |
3093 | // Make a initial Kalman paramaters for IROC - Quadrants alignment | |
3094 | // | |
3095 | TMatrixD param(5*6,1); | |
3096 | TMatrixD covar(5*6,5*6); | |
3097 | // | |
3098 | // Set inital parameters | |
3099 | // | |
3100 | for (Int_t ip=0;ip<5*6;ip++) param(ip,0)=0; // mean alignment to 0 | |
3101 | // | |
3102 | for (Int_t iq=0;iq<5;iq++){ | |
3103 | // Initial uncertinty | |
3104 | covar(iq*6+0,iq*6+0) = 0.002*0.002; // 2 mrad | |
3105 | covar(iq*6+1,iq*6+1) = 0.002*0.002; // 2 mrad rotation | |
3106 | covar(iq*6+2,iq*6+2) = 0.002*0.002; // 2 mrad | |
3107 | // | |
3108 | covar(iq*6+3,iq*6+3) = 0.02*0.02; // 0.2 mm | |
3109 | covar(iq*6+4,iq*6+4) = 0.02*0.02; // 0.2 mm translation | |
3110 | covar(iq*6+5,iq*6+5) = 0.02*0.02; // 0.2 mm | |
3111 | } | |
bb6bc8f6 | 3112 | |
774a5ee9 | 3113 | for (Int_t isec=0;isec<36;isec++){ |
3114 | fArraySectorIntParam.AddAt(param.Clone(),isec); | |
3115 | fArraySectorIntCovar.AddAt(covar.Clone(),isec); | |
3116 | } | |
3117 | } | |
108953e9 | 3118 | |
774a5ee9 | 3119 | void AliTPCcalibAlign::UpdateSectorKalman(TMatrixD &par0, TMatrixD &cov0, TMatrixD &par1, TMatrixD &cov1){ |
3120 | // | |
3121 | // Update kalman vector para0 with vector par1 | |
3122 | // Used for merging | |
3123 | // | |
3124 | static TMatrixD matHk(30,30); // vector to mesurement | |
3125 | static TMatrixD measR(30,30); // measurement error | |
3126 | static TMatrixD vecZk(30,1); // measurement | |
3127 | // | |
3128 | static TMatrixD vecYk(30,1); // Innovation or measurement residual | |
3129 | static TMatrixD matHkT(30,30); // helper matrix Hk transpose | |
3130 | static TMatrixD matSk(30,30); // Innovation (or residual) covariance | |
3131 | static TMatrixD matKk(30,30); // Optimal Kalman gain | |
3132 | static TMatrixD mat1(30,30); // update covariance matrix | |
3133 | static TMatrixD covXk2(30,30); // helper matrix | |
3134 | // | |
3135 | TMatrixD vecXk(par0); // X vector | |
3136 | TMatrixD covXk(cov0); // X covariance | |
108953e9 | 3137 | |
774a5ee9 | 3138 | // |
3139 | //Unit matrix | |
3140 | // | |
3141 | for (Int_t i=0;i<30;i++) | |
3142 | for (Int_t j=0;j<30;j++){ | |
3143 | mat1(i,j)=0; | |
3144 | if (i==j) mat1(i,j)=1; | |
3145 | } | |
3146 | matHk = mat1; // unit matrix | |
3147 | // | |
3148 | vecZk = par1; // measurement | |
3149 | measR = cov1; // error of measurement | |
3150 | vecYk = vecZk-matHk*vecXk; // Innovation or measurement residual | |
3151 | // | |
3152 | matHkT=matHk.T(); matHk.T(); | |
3153 | matSk = (matHk*(covXk*matHkT))+measR; // Innovation (or residual) covariance | |
3154 | matSk.Invert(); | |
3155 | matKk = (covXk*matHkT)*matSk; // Optimal Kalman gain | |
3156 | //matKk.Print(); | |
3157 | vecXk += matKk*vecYk; // updated vector | |
3158 | covXk2= (mat1-(matKk*matHk)); | |
3159 | covXk = covXk2*covXk; | |
3160 | CheckCovariance(covXk); | |
3161 | CheckCovariance(cov1); | |
3162 | // | |
3163 | par0 = vecXk; // update measurement param | |
3164 | cov0 = covXk; // update measurement covar | |
3165 | } | |
108953e9 | 3166 | |
774a5ee9 | 3167 | Double_t AliTPCcalibAlign::GetCorrectionSector(Int_t coord, Int_t sector, Double_t lx, Double_t ly, Double_t /*lz*/){ |
3168 | // | |
3169 | // Get position correction for given sector | |
3170 | // | |
108953e9 | 3171 | |
774a5ee9 | 3172 | TMatrixD * param = (TMatrixD*)fArraySectorIntParam.At(sector%36); |
3173 | if (!param) return 0; | |
3174 | Int_t quadrant=0; | |
3175 | if(lx>fXIO){ | |
3176 | if (lx<fXquadrant) { | |
3177 | if (ly<0) quadrant=1; | |
3178 | if (ly>0) quadrant=2; | |
3179 | } | |
3180 | if (lx>fXquadrant) { | |
3181 | if (ly<0) quadrant=3; | |
3182 | if (ly>0) quadrant=4; | |
3183 | } | |
3184 | } | |
3185 | Double_t a10 = (*param)(quadrant*6+0,0); | |
3186 | Double_t a20 = (*param)(quadrant*6+1,0); | |
3187 | Double_t a21 = (*param)(quadrant*6+2,0); | |
3188 | Double_t dx = (*param)(quadrant*6+3,0); | |
3189 | Double_t dy = (*param)(quadrant*6+4,0); | |
3190 | Double_t dz = (*param)(quadrant*6+5,0); | |
3191 | Double_t deltaX = lx-fXIO; | |
3192 | if (coord==0) return dx; | |
3193 | if (coord==1) return dy+deltaX*a10; | |
3194 | if (coord==2) return dz+deltaX*a20+ly*a21; | |
3195 | return 0; | |
3196 | } | |
108953e9 | 3197 | |
774a5ee9 | 3198 | Double_t AliTPCcalibAlign::SGetCorrectionSector(Int_t coord, Int_t sector, Double_t lx, Double_t ly, Double_t lz){ |
3199 | // | |
3200 | // | |
3201 | // | |
3202 | if (!Instance()) return 0; | |
3203 | return Instance()->GetCorrectionSector(coord,sector,lx,ly,lz); | |
3204 | } | |
108953e9 | 3205 | |
774a5ee9 | 3206 | void AliTPCcalibAlign::MakeKalman(){ |
3207 | // | |
3208 | // Make a initial Kalman paramaters for sector Alignemnt | |
3209 | // | |
3210 | fSectorParamA = new TMatrixD(6*36+6,1); | |
3211 | fSectorParamC = new TMatrixD(6*36+6,1); | |
3212 | fSectorCovarA = new TMatrixD(6*36+6,6*36+6); | |
3213 | fSectorCovarC = new TMatrixD(6*36+6,6*36+6); | |
3214 | // | |
3215 | // set starting parameters at 0 | |
3216 | // | |
3217 | for (Int_t isec=0;isec<37;isec++) | |
3218 | for (Int_t ipar=0;ipar<6;ipar++){ | |
3219 | (*fSectorParamA)(isec*6+ipar,0) =0; | |
3220 | (*fSectorParamC)(isec*6+ipar,0) =0; | |
3221 | } | |
3222 | // | |
3223 | // set starting covariance | |
3224 | // | |
3225 | for (Int_t isec=0;isec<36;isec++) | |
3226 | for (Int_t ipar=0;ipar<6;ipar++){ | |
3227 | if (ipar<3){ | |
3228 | (*fSectorCovarA)(isec*6+ipar,isec*6+ipar) =0.002*0.002; // 2 mrad | |
3229 | (*fSectorCovarC)(isec*6+ipar,isec*6+ipar) =0.002*0.002; | |
3230 | } | |
3231 | if (ipar>=3){ | |
3232 | (*fSectorCovarA)(isec*6+ipar,isec*6+ipar) =0.02*0.02; // 0.2 mm | |
3233 | (*fSectorCovarC)(isec*6+ipar,isec*6+ipar) =0.02*0.02; | |
3234 | } | |
3235 | } | |
3236 | (*fSectorCovarA)(36*6+0,36*6+0) =0.04; // common shift y up-up | |
3237 | (*fSectorCovarA)(36*6+1,36*6+1) =0.04; // common shift y down-down | |
3238 | (*fSectorCovarA)(36*6+2,36*6+2) =0.04; // common shift y up-down | |
3239 | (*fSectorCovarA)(36*6+3,36*6+3) =0.004; // common shift phi up-up | |
3240 | (*fSectorCovarA)(36*6+4,36*6+4) =0.004; // common shift phi down-down | |
3241 | (*fSectorCovarA)(36*6+5,36*6+5) =0.004; // common shift phi up-down | |
3242 | // | |
3243 | (*fSectorCovarC)(36*6+0,36*6+0) =0.04; // common shift y up-up | |
3244 | (*fSectorCovarC)(36*6+1,36*6+1) =0.04; // common shift y down-down | |
3245 | (*fSectorCovarC)(36*6+2,36*6+2) =0.04; // common shift y up-down | |
3246 | (*fSectorCovarC)(36*6+3,36*6+3) =0.004; // common shift phi up-up | |
3247 | (*fSectorCovarC)(36*6+4,36*6+4) =0.004; // common shift phi down-down | |
3248 | (*fSectorCovarC)(36*6+5,36*6+5) =0.004; // common shift phi up-down | |
3249 | } | |
108953e9 | 3250 | |
774a5ee9 | 3251 | void AliTPCcalibAlign::UpdateKalman(Int_t sector0, Int_t sector1, TMatrixD &p0, TMatrixD &c0, TMatrixD &p1, TMatrixD &c1){ |
3252 | // | |
3253 | // Update Kalman parameters | |
3254 | // Note numbering from 0..36 0..17 IROC 18..35 OROC | |
3255 | // | |
3256 | // | |
3257 | if (fSectorParamA==NULL) MakeKalman(); | |
3258 | if (CheckCovariance(c0)>0) return; | |
3259 | if (CheckCovariance(c1)>0) return; | |
3260 | const Int_t nelem = 6*36+6; | |
3261 | // | |
3262 | // | |
3263 | static TMatrixD matHk(4,nelem); // vector to mesurement | |
3264 | static TMatrixD measR(4,4); // measurement error | |
3265 | static TMatrixD vecZk(4,1); // measurement | |
3266 | // | |
3267 | static TMatrixD vecYk(4,1); // Innovation or measurement residual | |
3268 | static TMatrixD matHkT(nelem,4); // helper matrix Hk transpose | |
3269 | static TMatrixD matSk(4,4); // Innovation (or residual) covariance | |
3270 | static TMatrixD matKk(nelem,4); // Optimal Kalman gain | |
3271 | static TMatrixD mat1(nelem,nelem); // update covariance matrix | |
3272 | static TMatrixD covXk2(nelem,nelem); // helper matrix | |
3273 | // | |
3274 | TMatrixD *vOrig = 0; | |
3275 | TMatrixD *cOrig = 0; | |
3276 | vOrig = (sector0%36>=18) ? fSectorParamA:fSectorParamC; | |
3277 | cOrig = (sector0%36>=18) ? fSectorCovarA:fSectorCovarC; | |
3278 | // | |
3279 | Int_t sec0= sector0%18; | |
3280 | Int_t sec1= sector1%18; | |
3281 | if (sector0>35) sec0+=18; | |
3282 | if (sector1>35) sec1+=18; | |
3283 | // | |
3284 | TMatrixD vecXk(*vOrig); // X vector | |
3285 | TMatrixD covXk(*cOrig); // X covariance | |
3286 | // | |
3287 | //Unit matrix | |
3288 | // | |
3289 | for (Int_t i=0;i<nelem;i++) | |
3290 | for (Int_t j=0;j<nelem;j++){ | |
3291 | mat1(i,j)=0; | |
3292 | if (i==j) mat1(i,j)=1; | |
3293 | } | |
3294 | // | |
3295 | // | |
3296 | // matHk - vector to measurement | |
3297 | // | |
3298 | for (Int_t i=0;i<4;i++) | |
3299 | for (Int_t j=0;j<nelem;j++){ | |
3300 | matHk(i,j)=0; | |
3301 | } | |
3302 | // | |
3303 | // Measurement | |
3304 | // 0 - y | |
3305 | // 1 - ky | |
3306 | // 2 - z | |
3307 | // 3 - kz | |
3308 | ||
3309 | matHk(0,6*sec1+4) = 1.; // delta y | |
3310 | matHk(1,6*sec1+0) = 1.; // delta ky | |
3311 | matHk(2,6*sec1+5) = 1.; // delta z | |
3312 | matHk(3,6*sec1+1) = 1.; // delta kz | |
3313 | matHk(0,6*sec1+3) = p0(1,0); // delta x to delta y - through ky | |
3314 | matHk(2,6*sec1+3) = p0(3,0); // delta x to delta z - thorugh kz | |
3315 | matHk(2,6*sec1+2) = p0(0,0); // y to delta z - through psiz | |
3316 | // | |
3317 | matHk(0,6*sec0+4) = -1.; // delta y | |
3318 | matHk(1,6*sec0+0) = -1.; // delta ky | |
3319 | matHk(2,6*sec0+5) = -1.; // delta z | |
3320 | matHk(3,6*sec0+1) = -1.; // delta kz | |
3321 | matHk(0,6*sec0+3) = -p0(1,0); // delta x to delta y - through ky | |
3322 | matHk(2,6*sec0+3) = -p0(3,0); // delta x to delta z - thorugh kz | |
3323 | matHk(2,6*sec0+2) = -p0(0,0); // y to delta z - through psiz | |
3324 | ||
3325 | Int_t dsec = (sector1%18)-(sector0%18); | |
3326 | if (dsec<-2) dsec+=18; | |
3327 | if (TMath::Abs(dsec)==1){ | |
3328 | // | |
3329 | // Left right systematic fit part | |
3330 | // | |
3331 | Double_t dir = 0; | |
3332 | if (dsec>0) dir= 1.; | |
3333 | if (dsec<0) dir=-1.; | |
3334 | if (sector0>35&§or1>35){ | |
3335 | matHk(0,36*6+0)=dir; | |
3336 | matHk(1,36*6+3+0)=dir; | |
3337 | } | |
3338 | if (sector0<36&§or1<36){ | |
3339 | matHk(0,36*6+1)=dir; | |
3340 | matHk(1,36*6+3+1)=dir; | |
3341 | } | |
3342 | if (sector0<36&§or1>35){ | |
3343 | matHk(0,36*6+2)=dir; | |
3344 | matHk(1,36*6+3+2)=dir; | |
3345 | } | |
3346 | if (sector0>35&§or1<36){ | |
3347 | matHk(0,36*6+2)=-dir; | |
3348 | matHk(1,36*6+3+2)=-dir; | |
3349 | } | |
3350 | } | |
3351 | // | |
3352 | // | |
3353 | vecZk =(p1)-(p0); // measurement | |
3354 | measR =(c1)+(c0); // error of measurement | |
3355 | vecYk = vecZk-matHk*vecXk; // Innovation or measurement residual | |
3356 | // | |
3357 | // | |
3358 | matHkT=matHk.T(); matHk.T(); | |
3359 | matSk = (matHk*(covXk*matHkT))+measR; // Innovation (or residual) covariance | |
3360 | matSk.Invert(); | |
3361 | matKk = (covXk*matHkT)*matSk; // Optimal Kalman gain | |
3362 | vecXk += matKk*vecYk; // updated vector | |
3363 | covXk2= (mat1-(matKk*matHk)); | |
3364 | covXk = covXk2*covXk; | |
108953e9 | 3365 | |
774a5ee9 | 3366 | if (CheckCovariance(covXk)>0) return; |
6f387311 | 3367 | |
774a5ee9 | 3368 | // |
3369 | // | |
3370 | (*cOrig)=covXk; | |
3371 | (*vOrig)=vecXk; | |
3372 | } | |
6f387311 | 3373 | |
3374 | ||
774a5ee9 | 3375 | void AliTPCcalibAlign::UpdateKalman(TMatrixD &par0, TMatrixD &cov0, TMatrixD &par1, TMatrixD &cov1){ |
3376 | // | |
3377 | // Update kalman vector para0 with vector par1 | |
3378 | // Used for merging | |
3379 | // | |
3380 | Int_t nelem = 6*36+6; | |
3381 | static TMatrixD matHk(nelem,nelem); // vector to mesurement | |
3382 | static TMatrixD measR(nelem,nelem); // measurement error | |
3383 | static TMatrixD vecZk(nelem,1); // measurement | |
3384 | // | |
3385 | static TMatrixD vecYk(nelem,1); // Innovation or measurement residual | |
3386 | static TMatrixD matHkT(nelem,nelem); // helper matrix Hk transpose | |
3387 | static TMatrixD matSk(nelem,nelem); // Innovation (or residual) covariance | |
3388 | static TMatrixD matKk(nelem,nelem); // Optimal Kalman gain | |
3389 | static TMatrixD mat1(nelem,nelem); // update covariance matrix | |
3390 | static TMatrixD covXk2(nelem,nelem); // helper matrix | |
3391 | // | |
3392 | TMatrixD vecXk(par0); // X vector | |
3393 | TMatrixD covXk(cov0); // X covariance | |
3394 | ||
3395 | // | |
3396 | //Unit matrix | |
3397 | // | |
3398 | for (Int_t i=0;i<nelem;i++) | |
3399 | for (Int_t j=0;j<nelem;j++){ | |
3400 | mat1(i,j)=0; | |
3401 | if (i==j) mat1(i,j)=1; | |
3402 | } | |
3403 | matHk = mat1; // unit matrix | |
3404 | // | |
3405 | vecZk = par1; // measurement | |
3406 | measR = cov1; // error of measurement | |
3407 | vecYk = vecZk-matHk*vecXk; // Innovation or measurement residual | |
3408 | // | |
3409 | matHkT=matHk.T(); matHk.T(); | |
3410 | matSk = (matHk*(covXk*matHkT))+measR; // Innovation (or residual) covariance | |
3411 | matSk.Invert(); | |
3412 | matKk = (covXk*matHkT)*matSk; // Optimal Kalman gain | |
3413 | //matKk.Print(); | |
3414 | vecXk += matKk*vecYk; // updated vector | |
3415 | covXk2= (mat1-(matKk*matHk)); | |
3416 | covXk = covXk2*covXk; | |
3417 | // | |
3418 | CheckCovariance(cov0); | |
3419 | CheckCovariance(cov1); | |
3420 | CheckCovariance(covXk); | |
3421 | // | |
3422 | par0 = vecXk; // update measurement param | |
3423 | cov0 = covXk; // update measurement covar | |
3424 | } | |
6f387311 | 3425 | |
3426 | ||
6f387311 | 3427 | |
6f387311 | 3428 | |
774a5ee9 | 3429 | Int_t AliTPCcalibAlign::CheckCovariance(TMatrixD &covar){ |
3430 | // | |
3431 | // check the consistency of covariance matrix | |
3432 | // | |
3433 | Int_t ncols = covar.GetNcols(); | |
3434 | Int_t nrows= covar.GetNrows(); | |
3435 | const Float_t kEpsilon = 0.0001; | |
3436 | Int_t nerrors =0; | |
3437 | // | |
3438 | // | |
3439 | // | |
3440 | if (nrows!=ncols) { | |
3441 | printf("Error 0 - wrong matrix\n"); | |
3442 | nerrors++; | |
3443 | } | |
3444 | // | |
3445 | // 1. Check that the non diagonal elements | |
3446 | // | |
3447 | for (Int_t i0=0;i0<nrows;i0++) | |
3448 | for (Int_t i1=i0+1;i1<ncols;i1++){ | |
3449 | Double_t r0 = covar(i0,i1)/TMath::Sqrt(covar(i0,i0)*covar(i1,i1)); | |
3450 | Double_t r1 = covar(i1,i0)/TMath::Sqrt(covar(i0,i0)*covar(i1,i1)); | |
3451 | if (TMath::Abs(r0-r1)>kEpsilon){ | |
3452 | printf("Error 1 - non symetric matrix %d\t%d\t%f",i0,i1,r1-r0); | |
3453 | nerrors++; | |
3454 | } | |
3455 | if (TMath::Abs(r0)>=1){ | |
3456 | printf("Error 2 - Wrong correlation %d\t%d\t%f\n",i0,i1,r0); | |
3457 | nerrors++; | |
3458 | } | |
3459 | if (TMath::Abs(r1)>=1){ | |
3460 | printf("Error 3 - Wrong correlation %d\t%d\t%f\n",i0,i1,r1); | |
3461 | nerrors++; | |
3462 | } | |
3463 | } | |
3464 | return nerrors; | |
3465 | } | |
6f387311 | 3466 | |
3467 | ||
774a5ee9 | 3468 | |
3469 | void AliTPCcalibAlign::MakeReportDy(TFile *output){ | |
3470 | // | |
3471 | // Draw histogram of dY | |
3472 | // | |
3473 | Int_t kmicolors[10]={1,2,3,4,6,7,8,9,10,11}; | |
3474 | Int_t kmimarkers[10]={21,22,23,24,25,26,27,28,29,30}; | |
3475 | ||
3476 | AliTPCcalibAlign *align = this; | |
3477 | TVectorD vecOOP(36); | |
3478 | TVectorD vecOOM(36); | |
3479 | TVectorD vecOIP(36); | |
3480 | TVectorD vecOIM(36); | |
3481 | TVectorD vecOIS(36); | |
3482 | TVectorD vecSec(36); | |
3483 | TCanvas * cOROCdy = new TCanvas("OROC dy","OROC dy",900,600); | |
3484 | cOROCdy->Divide(6,6); | |
3485 | TCanvas * cIROCdy = new TCanvas("IROC dy","IROC dy",900,600); | |
3486 | cIROCdy->Divide(6,6); | |
3487 | TCanvas * cDy = new TCanvas("Dy","Dy",600,700); | |
3488 | cDy->Divide(1,2); | |
3489 | for (Int_t isec=0;isec<36;isec++){ | |
3490 | Bool_t isDraw=kFALSE; | |
3491 | vecSec(isec)=isec; | |
3492 | cOROCdy->cd(isec+1); | |
3493 | Int_t secPlus = (isec%18==17)? isec-17:isec+1; | |
3494 | Int_t secMinus= (isec%18==0) ? isec+17:isec-1; | |
3495 | printf("%d\t%d\t%d\n",isec,secPlus,secMinus); | |
3496 | TH1 * hisOOP= align->GetHisto(AliTPCcalibAlign::kY,isec+36,secPlus+36); | |
3497 | TH1 * hisOOM= align->GetHisto(AliTPCcalibAlign::kY,isec+36,secMinus+36); | |
3498 | TH1 * hisOIS= align->GetHisto(AliTPCcalibAlign::kY,isec+36,isec); | |
3499 | ||
3500 | if (hisOIS) { | |
3501 | hisOIS = (TH1F*)(hisOIS->Clone()); | |
3502 | hisOIS->SetDirectory(0); | |
3503 | hisOIS->Scale(1./(hisOIS->GetMaximum()+1)); | |
3504 | hisOIS->SetLineColor(kmicolors[0]); | |
3505 | hisOIS->Draw(); | |
3506 | isDraw = kTRUE; | |
3507 | vecOIS(isec)=10*hisOIS->GetMean(); | |
3508 | } | |
3509 | if (hisOOP) { | |
3510 | hisOOP = (TH1F*)(hisOOP->Clone()); | |
3511 | hisOOP->SetDirectory(0); | |
3512 | hisOOP->Scale(1./(hisOOP->GetMaximum()+1)); | |
3513 | hisOOP->SetLineColor(kmicolors[1]); | |
3514 | if (isDraw) hisOOP->Draw("same"); | |
3515 | if (!isDraw) {hisOOP->Draw(""); isDraw=kTRUE;} | |
3516 | vecOOP(isec)=10*hisOOP->GetMean(); | |
3517 | } | |
3518 | if (hisOOM) { | |
3519 | hisOOM = (TH1F*)(hisOOM->Clone()); | |
3520 | hisOOM->SetDirectory(0); | |
3521 | hisOOM->Scale(1/(hisOOM->GetMaximum()+1)); | |
3522 | hisOOM->SetLineColor(kmicolors[3]); | |
3523 | if (isDraw) hisOOM->Draw("same"); | |
3524 | if (!isDraw) {hisOOM->Draw(""); isDraw=kTRUE;} | |
3525 | vecOOM(isec)=10*hisOOM->GetMean(); | |
3526 | } | |
3527 | } | |
3528 | // | |
3529 | // | |
3530 | for (Int_t isec=0;isec<36;isec++){ | |
3531 | Bool_t isDraw=kFALSE; | |
3532 | cIROCdy->cd(isec+1); | |
3533 | Int_t secPlus = (isec%18==17)? isec-17:isec+1; | |
3534 | Int_t secMinus= (isec%18==0) ? isec+17:isec-1; | |
3535 | printf("%d\t%d\t%d\n",isec,secPlus,secMinus); | |
3536 | TH1 * hisOIP= align->GetHisto(AliTPCcalibAlign::kY,isec+36,secPlus); | |
3537 | TH1 * hisOIM= align->GetHisto(AliTPCcalibAlign::kY,isec+36,secMinus); | |
3538 | TH1 * hisOIS= align->GetHisto(AliTPCcalibAlign::kY,isec+36,isec); | |
3539 | if (hisOIS) { | |
3540 | hisOIS = (TH1F*)(hisOIS->Clone()); | |
3541 | hisOIS->SetDirectory(0); | |
3542 | hisOIS->Scale(1./(hisOIS->GetMaximum()+1)); | |
3543 | hisOIS->SetLineColor(kmicolors[0]); | |
3544 | hisOIS->Draw(); | |
3545 | isDraw = kTRUE; | |
3546 | vecOIS(isec)=10*hisOIS->GetMean(); | |
3547 | } | |
3548 | if (hisOIP) { | |
3549 | hisOIP = (TH1F*)(hisOIP->Clone()); | |
3550 | hisOIP->SetDirectory(0); | |
3551 | hisOIP->Scale(1./(hisOIP->GetMaximum()+1)); | |
3552 | hisOIP->SetLineColor(kmicolors[1]); | |
3553 | if (isDraw) hisOIP->Draw("same"); | |
3554 | if (!isDraw) {hisOIP->Draw(""); isDraw=kTRUE;} | |
3555 | hisOIP->Draw("same"); | |
3556 | vecOIP(isec)=10*hisOIP->GetMean(); | |
3557 | } | |
3558 | if (hisOIM) { | |
3559 | hisOIM = (TH1F*)(hisOIM->Clone()); | |
3560 | hisOIM->SetDirectory(0); | |
3561 | hisOIM->Scale(1/(hisOIM->GetMaximum()+1)); | |
3562 | hisOIM->SetLineColor(kmicolors[3]); | |
3563 | if (isDraw) hisOIM->Draw("same"); | |
3564 | if (!isDraw) {hisOIM->Draw(""); isDraw=kTRUE;} | |
3565 | vecOIM(isec)=10*hisOIM->GetMean(); | |
3566 | } | |
3567 | } | |
3568 | TGraph* grOIM = new TGraph(36,vecSec.GetMatrixArray(),vecOIM.GetMatrixArray()); | |
3569 | TGraph* grOIP = new TGraph(36,vecSec.GetMatrixArray(),vecOIP.GetMatrixArray()); | |
3570 | TGraph* grOIS = new TGraph(36,vecSec.GetMatrixArray(),vecOIS.GetMatrixArray()); | |
3571 | TGraph* grOOM = new TGraph(36,vecSec.GetMatrixArray(),vecOOM.GetMatrixArray()); | |
3572 | TGraph* grOOP = new TGraph(36,vecSec.GetMatrixArray(),vecOOP.GetMatrixArray()); | |
3573 | // | |
3574 | grOIS->SetMarkerStyle(kmimarkers[0]); | |
3575 | grOIP->SetMarkerStyle(kmimarkers[1]); | |
3576 | grOIM->SetMarkerStyle(kmimarkers[3]); | |
3577 | grOOP->SetMarkerStyle(kmimarkers[1]); | |
3578 | grOOM->SetMarkerStyle(kmimarkers[3]); | |
3579 | grOIS->SetMarkerColor(kmicolors[0]); | |
3580 | grOIP->SetMarkerColor(kmicolors[1]); | |
3581 | grOIM->SetMarkerColor(kmicolors[3]); | |
3582 | grOOP->SetMarkerColor(kmicolors[1]); | |
3583 | grOOM->SetMarkerColor(kmicolors[3]); | |
3584 | grOIS->SetLineColor(kmicolors[0]); | |
3585 | grOIP->SetLineColor(kmicolors[1]); | |
3586 | grOIM->SetLineColor(kmicolors[3]); | |
3587 | grOOP->SetLineColor(kmicolors[1]); | |
3588 | grOOM->SetLineColor(kmicolors[3]); | |
3589 | grOIS->SetMaximum(1.5); | |
3590 | grOIS->SetMinimum(-1.5); | |
3591 | grOIS->GetXaxis()->SetTitle("Sector number"); | |
3592 | grOIS->GetYaxis()->SetTitle("#Delta_{y} (mm)"); | |
3593 | ||
3594 | cDy->cd(1); | |
3595 | grOIS->Draw("apl"); | |
3596 | grOIM->Draw("pl"); | |
3597 | grOIP->Draw("pl"); | |
3598 | cDy->cd(2); | |
3599 | grOIS->Draw("apl"); | |
3600 | grOOM->Draw("pl"); | |
3601 | grOOP->Draw("pl"); | |
3602 | cOROCdy->SaveAs("picAlign/OROCOROCdy.eps"); | |
3603 | cOROCdy->SaveAs("picAlign/OROCOROCdy.gif"); | |
3604 | cOROCdy->SaveAs("picAlign/OROCOROCdy.root"); | |
3605 | // | |
3606 | cIROCdy->SaveAs("picAlign/OROCIROCdy.eps"); | |
3607 | cIROCdy->SaveAs("picAlign/OROCIROCdy.gif"); | |
3608 | cIROCdy->SaveAs("picAlign/OROCIROCdy.root"); | |
3609 | // | |
3610 | cDy->SaveAs("picAlign/Sectordy.eps"); | |
3611 | cDy->SaveAs("picAlign/Sectordy.gif"); | |
3612 | cDy->SaveAs("picAlign/Sectordy.root"); | |
3613 | if (output){ | |
3614 | output->cd(); | |
3615 | cOROCdy->Write("OROCOROCDy"); | |
3616 | cIROCdy->Write("OROCIROCDy"); | |
3617 | cDy->Write("SectorDy"); | |
3618 | } | |
6f387311 | 3619 | } |
774a5ee9 | 3620 | |
3621 | void AliTPCcalibAlign::MakeReportDyPhi(TFile */*output*/){ | |
3622 | // | |
3623 | // | |
3624 | // | |
3625 | Int_t kmicolors[10]={1,2,3,4,6,7,8,9,10,11}; | |
3626 | Int_t kmimarkers[10]={21,22,23,24,25,26,27,28,29,30}; | |
3627 | ||
3628 | AliTPCcalibAlign *align = this; | |
3629 | TCanvas * cOROCdyPhi = new TCanvas("OROC dyphi","OROC dyphi",900,600); | |
3630 | cOROCdyPhi->Divide(6,6); | |
3631 | for (Int_t isec=0;isec<36;isec++){ | |
3632 | cOROCdyPhi->cd(isec+1); | |
3633 | Int_t secPlus = (isec%18==17)? isec-17:isec+1; | |
3634 | Int_t secMinus= (isec%18==0) ? isec+17:isec-1; | |
3635 | //printf("%d\t%d\t%d\n",isec,secPlus,secMinus); | |
3636 | TH2F *htemp=0; | |
3637 | TProfile * profdyphiOOP=0,*profdyphiOOM=0,*profdyphiOOS=0; | |
3638 | htemp = (TH2F*) (align->GetHisto(AliTPCcalibAlign::kYPhi,isec+36,secPlus+36)); | |
3639 | if (htemp) profdyphiOOP= htemp->ProfileX(); | |
3640 | htemp = (TH2F*)(align->GetHisto(AliTPCcalibAlign::kYPhi,isec+36,secMinus+36)); | |
3641 | if (htemp) profdyphiOOM= htemp->ProfileX(); | |
3642 | htemp = (TH2F*)(align->GetHisto(AliTPCcalibAlign::kYPhi,isec+36,isec)); | |
3643 | if (htemp) profdyphiOOS= htemp->ProfileX(); | |
3644 | ||
3645 | if (profdyphiOOS){ | |
3646 | profdyphiOOS->SetLineColor(kmicolors[0]); | |
3647 | profdyphiOOS->SetMarkerStyle(kmimarkers[0]); | |
3648 | profdyphiOOS->SetMarkerSize(0.2); | |
3649 | profdyphiOOS->SetMaximum(0.5); | |
3650 | profdyphiOOS->SetMinimum(-0.5); | |
3651 | profdyphiOOS->SetXTitle("tan(#phi)"); | |
3652 | profdyphiOOS->SetYTitle("#DeltaY (cm)"); | |
3653 | } | |
3654 | if (profdyphiOOP){ | |
3655 | profdyphiOOP->SetLineColor(kmicolors[1]); | |
3656 | profdyphiOOP->SetMarkerStyle(kmimarkers[1]); | |
3657 | profdyphiOOP->SetMarkerSize(0.2); | |
3658 | } | |
3659 | if (profdyphiOOM){ | |
3660 | profdyphiOOM->SetLineColor(kmicolors[3]); | |
3661 | profdyphiOOM->SetMarkerStyle(kmimarkers[3]); | |
3662 | profdyphiOOM->SetMarkerSize(0.2); | |
3663 | } | |
3664 | if (profdyphiOOS){ | |
3665 | profdyphiOOS->Draw(); | |
3666 | }else{ | |
3667 | if (profdyphiOOM) profdyphiOOM->Draw(""); | |
3668 | if (profdyphiOOP) profdyphiOOP->Draw(""); | |
3669 | } | |
3670 | if (profdyphiOOM) profdyphiOOM->Draw("same"); | |
3671 | if (profdyphiOOP) profdyphiOOP->Draw("same"); | |
3672 | ||
3673 | } | |
6f387311 | 3674 | } |
3675 |