| 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" |
| 034e5c8c |
121 | #include "THn.h" |
| 7eaa723e |
122 | #include "TVectorD.h" |
| e149f26d |
123 | #include "TTreeStream.h" |
| 7eaa723e |
124 | #include "TFile.h" |
| 6f387311 |
125 | #include "TTree.h" |
| e81dc112 |
126 | #include "TF1.h" |
| 8b3c60d8 |
127 | #include "TGraphErrors.h" |
| 967eae0d |
128 | #include "AliTPCclusterMI.h" |
| 129 | #include "AliTPCseed.h" |
| 130 | #include "AliTracker.h" |
| 131 | #include "TClonesArray.h" |
| 774a5ee9 |
132 | #include "AliLog.h" |
| 133 | #include "TFile.h" |
| 134 | #include "TProfile.h" |
| 135 | #include "TCanvas.h" |
| 5b7417d2 |
136 | #include "TDatabasePDG.h" |
| 8b3c60d8 |
137 | |
| 138 | #include "TTreeStream.h" |
| 3326b323 |
139 | #include "Riostream.h" |
| 034e5c8c |
140 | #include "TRandom.h" |
| e4042305 |
141 | #include <sstream> |
| 9318a5b4 |
142 | using namespace std; |
| 143 | |
| 6f387311 |
144 | AliTPCcalibAlign* AliTPCcalibAlign::fgInstance = 0; |
| 3828da48 |
145 | Double_t AliTPCcalibAlign::fgkMergeEntriesCut=10000000.; //10**7 tracks |
| 9318a5b4 |
146 | ClassImp(AliTPCcalibAlign) |
| 147 | |
| 6f387311 |
148 | |
| 149 | |
| 150 | |
| 151 | AliTPCcalibAlign* AliTPCcalibAlign::Instance() |
| 152 | { |
| 153 | // |
| 154 | // Singleton implementation |
| 155 | // Returns an instance of this class, it is created if neccessary |
| 156 | // |
| 157 | if (fgInstance == 0){ |
| 158 | fgInstance = new AliTPCcalibAlign(); |
| 159 | } |
| 160 | return fgInstance; |
| 161 | } |
| 162 | |
| 163 | |
| 164 | |
| 165 | |
| 9318a5b4 |
166 | AliTPCcalibAlign::AliTPCcalibAlign() |
| bb6bc8f6 |
167 | : AliTPCcalibBase(), |
| 168 | fDphiHistArray(72*72), |
| e4042305 |
169 | fDthetaHistArray(72*72), |
| 170 | fDyHistArray(72*72), |
| 171 | fDzHistArray(72*72), |
| bb6bc8f6 |
172 | // |
| 173 | fDyPhiHistArray(72*72), // array of residual histograms y -kYPhi |
| 174 | fDzThetaHistArray(72*72), // array of residual histograms z-z -kZTheta |
| 175 | fDphiZHistArray(72*72), // array of residual histograms phi -kPhiz |
| 176 | fDthetaZHistArray(72*72), // array of residual histograms theta -kThetaz |
| 177 | fDyZHistArray(72*72), // array of residual histograms y -kYz |
| 178 | fDzZHistArray(72*72), // array of residual histograms z -kZz |
| e4042305 |
179 | fFitterArray12(72*72), |
| 180 | fFitterArray9(72*72), |
| 6f387311 |
181 | fFitterArray6(72*72), |
| 182 | fMatrixArray12(72*72), |
| 183 | fMatrixArray9(72*72), |
| 1d82fc56 |
184 | fMatrixArray6(72*72), |
| 185 | fCombinedMatrixArray6(72), |
| 774a5ee9 |
186 | fNoField(kFALSE), |
| 187 | fXIO(0), |
| 188 | fXmiddle(0), |
| 189 | fXquadrant(0), |
| 190 | fArraySectorIntParam(36), // array of sector alignment parameters |
| 191 | fArraySectorIntCovar(36), // array of sector alignment covariances |
| 192 | // |
| 193 | // Kalman filter for global alignment |
| 194 | // |
| 195 | fSectorParamA(0), // Kalman parameter for A side |
| 196 | fSectorCovarA(0), // Kalman covariance for A side |
| 197 | fSectorParamC(0), // Kalman parameter for A side |
| 4de48bc7 |
198 | fSectorCovarC(0), // Kalman covariance for A side |
| 199 | fUseInnerOuter(kTRUE)// flag- use Inner Outer sector for left righ alignment |
| 9318a5b4 |
200 | { |
| 201 | // |
| 202 | // Constructor |
| 203 | // |
| 204 | for (Int_t i=0;i<72*72;++i) { |
| 205 | fPoints[i]=0; |
| 206 | } |
| 774a5ee9 |
207 | AliTPCROC * roc = AliTPCROC::Instance(); |
| 208 | fXquadrant = roc->GetPadRowRadii(36,53); |
| 209 | fXmiddle = ( roc->GetPadRowRadii(0,0)+roc->GetPadRowRadii(36,roc->GetNRows(36)-1))*0.5; |
| 210 | fXIO = ( roc->GetPadRowRadii(0,roc->GetNRows(0)-1)+roc->GetPadRowRadii(36,0))*0.5; |
| 5b7417d2 |
211 | fClusterDelta[0]=0; // cluster residuals - Y |
| 212 | fClusterDelta[1]=0; // cluster residuals - Z |
| 60721370 |
213 | |
| 214 | |
| 215 | fTrackletDelta[0]=0; // tracklet residuals |
| 216 | fTrackletDelta[1]=0; // tracklet residuals |
| 217 | fTrackletDelta[2]=0; // tracklet residuals |
| 218 | fTrackletDelta[3]=0; // tracklet residuals |
| 9318a5b4 |
219 | } |
| 220 | |
| e149f26d |
221 | AliTPCcalibAlign::AliTPCcalibAlign(const Text_t *name, const Text_t *title) |
| 222 | :AliTPCcalibBase(), |
| 223 | fDphiHistArray(72*72), |
| 224 | fDthetaHistArray(72*72), |
| 225 | fDyHistArray(72*72), |
| 226 | fDzHistArray(72*72), |
| bb6bc8f6 |
227 | fDyPhiHistArray(72*72), // array of residual histograms y -kYPhi |
| 228 | fDzThetaHistArray(72*72), // array of residual histograms z-z -kZTheta |
| 229 | fDphiZHistArray(72*72), // array of residual histograms phi -kPhiz |
| 230 | fDthetaZHistArray(72*72), // array of residual histograms theta -kThetaz |
| 231 | fDyZHistArray(72*72), // array of residual histograms y -kYz |
| 6f387311 |
232 | fDzZHistArray(72*72), // array of residual histograms z -kZz // |
| e149f26d |
233 | fFitterArray12(72*72), |
| 234 | fFitterArray9(72*72), |
| 6f387311 |
235 | fFitterArray6(72*72), |
| 236 | fMatrixArray12(72*72), |
| 237 | fMatrixArray9(72*72), |
| 1d82fc56 |
238 | fMatrixArray6(72*72), |
| 239 | fCombinedMatrixArray6(72), |
| 774a5ee9 |
240 | fNoField(kFALSE), |
| 241 | fXIO(0), |
| 242 | fXmiddle(0), |
| 243 | fXquadrant(0), |
| 244 | fArraySectorIntParam(36), // array of sector alignment parameters |
| 245 | fArraySectorIntCovar(36), // array of sector alignment covariances |
| 246 | // |
| 247 | // Kalman filter for global alignment |
| 248 | // |
| 249 | fSectorParamA(0), // Kalman parameter for A side |
| 250 | fSectorCovarA(0), // Kalman covariance for A side |
| 251 | fSectorParamC(0), // Kalman parameter for A side |
| 4de48bc7 |
252 | fSectorCovarC(0), // Kalman covariance for A side |
| 253 | fUseInnerOuter(kTRUE)// flag- use Inner Outer sector for left righ alignment |
| 254 | |
| e149f26d |
255 | { |
| 256 | // |
| 257 | // Constructor |
| 258 | // |
| 259 | SetName(name); |
| 260 | SetTitle(title); |
| 261 | for (Int_t i=0;i<72*72;++i) { |
| 262 | fPoints[i]=0; |
| 263 | } |
| 774a5ee9 |
264 | AliTPCROC * roc = AliTPCROC::Instance(); |
| 265 | fXquadrant = roc->GetPadRowRadii(36,53); |
| 266 | fXmiddle = ( roc->GetPadRowRadii(0,0)+roc->GetPadRowRadii(36,roc->GetNRows(36)-1))*0.5; |
| 267 | fXIO = ( roc->GetPadRowRadii(0,roc->GetNRows(0)-1)+roc->GetPadRowRadii(36,0))*0.5; |
| b842d904 |
268 | fClusterDelta[0]=0; // cluster residuals |
| 269 | fClusterDelta[1]=0; // cluster residuals |
| b842d904 |
270 | |
| 60721370 |
271 | fTrackletDelta[0]=0; // tracklet residuals |
| 272 | fTrackletDelta[1]=0; // tracklet residuals |
| 273 | fTrackletDelta[2]=0; // tracklet residuals |
| 274 | fTrackletDelta[3]=0; // tracklet residuals |
| e149f26d |
275 | } |
| 276 | |
| bb6bc8f6 |
277 | |
| 278 | AliTPCcalibAlign::AliTPCcalibAlign(const AliTPCcalibAlign &align) |
| 279 | :AliTPCcalibBase(align), |
| 280 | fDphiHistArray(align.fDphiHistArray), |
| 281 | fDthetaHistArray(align.fDthetaHistArray), |
| 282 | fDyHistArray(align.fDyHistArray), |
| 283 | fDzHistArray(align.fDzHistArray), |
| 284 | fDyPhiHistArray(align.fDyPhiHistArray), // array of residual histograms y -kYPhi |
| 285 | fDzThetaHistArray(align.fDzThetaHistArray), // array of residual histograms z-z -kZTheta |
| 286 | fDphiZHistArray(align.fDphiZHistArray), // array of residual histograms phi -kPhiz |
| 287 | fDthetaZHistArray(align.fDthetaZHistArray), // array of residual histograms theta -kThetaz |
| 288 | fDyZHistArray(align.fDyZHistArray), // array of residual histograms y -kYz |
| 289 | fDzZHistArray(align.fDzZHistArray), // array of residual histograms z -kZz |
| 290 | // |
| 291 | fFitterArray12(align.fFitterArray12), |
| 292 | fFitterArray9(align.fFitterArray9), |
| 6f387311 |
293 | fFitterArray6(align.fFitterArray6), |
| 294 | |
| 295 | fMatrixArray12(align.fMatrixArray12), |
| 296 | fMatrixArray9(align.fMatrixArray9), |
| 1d82fc56 |
297 | fMatrixArray6(align.fMatrixArray6), |
| 298 | fCombinedMatrixArray6(align.fCombinedMatrixArray6), |
| 774a5ee9 |
299 | fNoField(align.fNoField), |
| 300 | fXIO(align.fXIO), |
| 301 | fXmiddle(align.fXmiddle), |
| 302 | fXquadrant(align.fXquadrant), |
| 303 | fArraySectorIntParam(align.fArraySectorIntParam), // array of sector alignment parameters |
| 304 | fArraySectorIntCovar(align.fArraySectorIntCovar), // array of sector alignment covariances |
| 305 | fSectorParamA(0), // Kalman parameter for A side |
| 306 | fSectorCovarA(0), // Kalman covariance for A side |
| 307 | fSectorParamC(0), // Kalman parameter for A side |
| 4de48bc7 |
308 | fSectorCovarC(0), // Kalman covariance for A side |
| 309 | fUseInnerOuter(kTRUE)// flag- use Inner Outer sector for left righ alignment |
| 310 | |
| bb6bc8f6 |
311 | { |
| 312 | // |
| 313 | // copy constructor - copy also the content |
| 314 | // |
| 315 | TH1 * his = 0; |
| 316 | TObjArray * arr0=0; |
| 317 | const TObjArray *arr1=0; |
| 318 | for (Int_t index =0; index<72*72; index++){ |
| 319 | for (Int_t iarray=0;iarray<10; iarray++){ |
| 320 | if (iarray==kY){ |
| 321 | arr0 = &fDyHistArray; |
| 322 | arr1 = &align.fDyHistArray; |
| 323 | } |
| 324 | if (iarray==kZ){ |
| 325 | arr0 = &fDzHistArray; |
| 326 | arr1 = &align.fDzHistArray; |
| 327 | } |
| 328 | if (iarray==kPhi){ |
| 329 | arr0 = &fDphiHistArray; |
| 330 | arr1 = &align.fDphiHistArray; |
| 331 | } |
| 332 | if (iarray==kTheta){ |
| 333 | arr0 = &fDthetaHistArray; |
| 334 | arr1 = &align.fDthetaHistArray; |
| 335 | } |
| 336 | if (iarray==kYz){ |
| 337 | arr0 = &fDyZHistArray; |
| 338 | arr1 = &align.fDyZHistArray; |
| 339 | } |
| 340 | if (iarray==kZz){ |
| 341 | arr0 = &fDzZHistArray; |
| 342 | arr1 = &align.fDzZHistArray; |
| 343 | } |
| 344 | if (iarray==kPhiZ){ |
| 345 | arr0 = &fDphiZHistArray; |
| 346 | arr1 = &align.fDphiZHistArray; |
| 347 | } |
| 348 | if (iarray==kThetaZ){ |
| 349 | arr0 = &fDthetaZHistArray; |
| 350 | arr1 = &align.fDthetaZHistArray; |
| 351 | } |
| 352 | |
| 353 | if (iarray==kYPhi){ |
| 354 | arr0 = &fDyPhiHistArray; |
| 355 | arr1 = &align.fDyPhiHistArray; |
| 356 | } |
| 357 | if (iarray==kZTheta){ |
| 358 | arr0 = &fDzThetaHistArray; |
| 359 | arr1 = &align.fDzThetaHistArray; |
| 360 | } |
| 361 | |
| 362 | if (arr1->At(index)) { |
| 363 | his = (TH1*)arr1->At(index)->Clone(); |
| 364 | his->SetDirectory(0); |
| 365 | arr0->AddAt(his,index); |
| 366 | } |
| 367 | } |
| 368 | } |
| 774a5ee9 |
369 | // |
| 370 | // |
| 371 | // |
| 372 | if (align.fSectorParamA){ |
| 373 | fSectorParamA = (TMatrixD*)align.fSectorParamA->Clone(); |
| 374 | fSectorParamA = (TMatrixD*)align.fSectorCovarA->Clone(); |
| 375 | fSectorParamC = (TMatrixD*)align.fSectorParamA->Clone(); |
| 376 | fSectorParamC = (TMatrixD*)align.fSectorCovarA->Clone(); |
| 377 | } |
| b842d904 |
378 | fClusterDelta[0]=0; // cluster residuals |
| 379 | fClusterDelta[1]=0; // cluster residuals |
| b842d904 |
380 | |
| 60721370 |
381 | fTrackletDelta[0]=0; // tracklet residuals |
| 382 | fTrackletDelta[1]=0; // tracklet residuals |
| 383 | fTrackletDelta[2]=0; // tracklet residuals |
| 384 | fTrackletDelta[3]=0; // tracklet residuals |
| bb6bc8f6 |
385 | } |
| 386 | |
| 387 | |
| 9318a5b4 |
388 | AliTPCcalibAlign::~AliTPCcalibAlign() { |
| 389 | // |
| 390 | // destructor |
| 391 | // |
| 774a5ee9 |
392 | fDphiHistArray.SetOwner(kTRUE); // array of residual histograms phi -kPhi |
| 393 | fDthetaHistArray.SetOwner(kTRUE); // array of residual histograms theta -kTheta |
| 394 | fDyHistArray.SetOwner(kTRUE); // array of residual histograms y -kY |
| 395 | fDzHistArray.SetOwner(kTRUE); // array of residual histograms z -kZ |
| 396 | // |
| 397 | fDyPhiHistArray.SetOwner(kTRUE); // array of residual histograms y -kYPhi |
| 398 | fDzThetaHistArray.SetOwner(kTRUE); // array of residual histograms z-z -kZTheta |
| 399 | // |
| 400 | fDphiZHistArray.SetOwner(kTRUE); // array of residual histograms phi -kPhiz |
| 401 | fDthetaZHistArray.SetOwner(kTRUE); // array of residual histograms theta -kThetaz |
| 402 | fDyZHistArray.SetOwner(kTRUE); // array of residual histograms y -kYz |
| 403 | fDzZHistArray.SetOwner(kTRUE); // array of residual histograms z -kZz |
| 404 | |
| 405 | fDphiHistArray.Delete(); // array of residual histograms phi -kPhi |
| 406 | fDthetaHistArray.Delete(); // array of residual histograms theta -kTheta |
| 407 | fDyHistArray.Delete(); // array of residual histograms y -kY |
| 408 | fDzHistArray.Delete(); // array of residual histograms z -kZ |
| 409 | // |
| 410 | fDyPhiHistArray.Delete(); // array of residual histograms y -kYPhi |
| 411 | fDzThetaHistArray.Delete(); // array of residual histograms z-z -kZTheta |
| 412 | // |
| 413 | fDphiZHistArray.Delete(); // array of residual histograms phi -kPhiz |
| 414 | fDthetaZHistArray.Delete(); // array of residual histograms theta -kThetaz |
| 415 | fDyZHistArray.Delete(); // array of residual histograms y -kYz |
| 416 | fDzZHistArray.Delete(); // array of residual histograms z -kZz |
| 417 | |
| 418 | fFitterArray12.SetOwner(kTRUE); // array of fitters |
| 419 | fFitterArray9.SetOwner(kTRUE); // array of fitters |
| 420 | fFitterArray6.SetOwner(kTRUE); // array of fitters |
| 421 | // |
| 422 | fMatrixArray12.SetOwner(kTRUE); // array of transnformtation matrix |
| 423 | fMatrixArray9.SetOwner(kTRUE); // array of transnformtation matrix |
| 424 | fMatrixArray6.SetOwner(kTRUE); // array of transnformtation matrix |
| 425 | // |
| 426 | fFitterArray12.Delete(); // array of fitters |
| 427 | fFitterArray9.Delete(); // array of fitters |
| 428 | fFitterArray6.Delete(); // array of fitters |
| 429 | // |
| 430 | fMatrixArray12.Delete(); // array of transnformtation matrix |
| 431 | fMatrixArray9.Delete(); // array of transnformtation matrix |
| 432 | fMatrixArray6.Delete(); // array of transnformtation matrix |
| 433 | |
| 774a5ee9 |
434 | |
| 435 | fArraySectorIntParam.SetOwner(kTRUE); // array of sector alignment parameters |
| 436 | fArraySectorIntCovar.SetOwner(kTRUE); // array of sector alignment covariances |
| 437 | fArraySectorIntParam.Delete(); // array of sector alignment parameters |
| 438 | fArraySectorIntCovar.Delete(); // array of sector alignment covariances |
| 5b7417d2 |
439 | for (Int_t i=0; i<2; i++){ |
| b842d904 |
440 | delete fClusterDelta[i]; // cluster residuals |
| 441 | } |
| 60721370 |
442 | |
| 443 | for (Int_t i=0; i<4; i++){ |
| 444 | delete fTrackletDelta[i]; // tracklet residuals |
| 445 | } |
| 446 | |
| 447 | |
| 9318a5b4 |
448 | } |
| 449 | |
| 774a5ee9 |
450 | void AliTPCcalibAlign::Process(AliESDEvent *event) { |
| 451 | // |
| 452 | // Process pairs of cosmic tracks |
| 453 | // |
| 034e5c8c |
454 | const Double_t kptDownscale=50; // downscale factor for the low pt particels |
| b842d904 |
455 | if (!fClusterDelta[0]) MakeResidualHistos(); |
| 60721370 |
456 | if (!fTrackletDelta[0]) MakeResidualHistosTracklet(); |
| b842d904 |
457 | // |
| 458 | fCurrentEvent=event; |
| 4de48bc7 |
459 | ExportTrackPoints(event); // export track points for external calibration |
| b842d904 |
460 | const Int_t kMaxTracks =6; |
| 774a5ee9 |
461 | const Int_t kminCl = 40; |
| 3326b323 |
462 | AliESDfriend *eESDfriend=static_cast<AliESDfriend*>(event->FindListObject("AliESDfriend")); |
| 463 | if (!eESDfriend) return; |
| 034e5c8c |
464 | if (eESDfriend->TestSkipBit()) return; |
| 774a5ee9 |
465 | Int_t ntracks=event->GetNumberOfTracks(); |
| 466 | Float_t dca0[2]; |
| 467 | Float_t dca1[2]; |
| 468 | // |
| 469 | // |
| b842d904 |
470 | // process seeds |
| 774a5ee9 |
471 | // |
| b842d904 |
472 | for (Int_t i0=0;i0<ntracks;++i0) { |
| 473 | AliESDtrack *track0 = event->GetTrack(i0); |
| 474 | AliESDfriendTrack *friendTrack = 0; |
| 475 | TObject *calibObject=0; |
| b7c5eb40 |
476 | AliTPCseed *seed0 = 0; |
| b842d904 |
477 | // |
| 3326b323 |
478 | friendTrack = (AliESDfriendTrack *)eESDfriend->GetTrack(i0);; |
| b9908d0b |
479 | if (!friendTrack) continue; |
| b842d904 |
480 | for (Int_t l=0;(calibObject=friendTrack->GetCalibObject(l));++l) { |
| 481 | if ((seed0=dynamic_cast<AliTPCseed*>(calibObject))) break; |
| 482 | } |
| 483 | if (!seed0) continue; |
| 484 | fCurrentTrack=track0; |
| 5b7417d2 |
485 | fCurrentFriendTrack=friendTrack; |
| b842d904 |
486 | fCurrentSeed=seed0; |
| 487 | fCurrentEvent=event; |
| 034e5c8c |
488 | Double_t scalept= TMath::Min(1./TMath::Abs(track0->GetParameter()[4]),2.); |
| 489 | Bool_t isSelected = (TMath::Exp(2*scalept)>kptDownscale*gRandom->Rndm()); |
| 490 | if (isSelected) ProcessSeed(seed0); |
| b842d904 |
491 | } |
| 492 | // |
| 493 | // process cosmic pairs |
| 774a5ee9 |
494 | // |
| 495 | if (ntracks>kMaxTracks) return; |
| 496 | // |
| 497 | //select pairs - for alignment |
| 498 | for (Int_t i0=0;i0<ntracks;++i0) { |
| 499 | AliESDtrack *track0 = event->GetTrack(i0); |
| 500 | // if (track0->GetTPCNcls()<kminCl) continue; |
| 501 | track0->GetImpactParameters(dca0[0],dca0[1]); |
| 502 | // if (TMath::Abs(dca0[0])>30) continue; |
| 503 | // |
| 504 | for (Int_t i1=0;i1<ntracks;++i1) { |
| 505 | if (i0==i1) continue; |
| 506 | AliESDtrack *track1 = event->GetTrack(i1); |
| 507 | // if (track1->GetTPCNcls()<kminCl) continue; |
| 508 | track1->GetImpactParameters(dca1[0],dca1[1]); |
| 509 | // fast cuts on dca and theta |
| 510 | // if (TMath::Abs(dca1[0]+dca0[0])>15) continue; |
| 511 | // if (TMath::Abs(dca1[1]-dca0[1])>15) continue; |
| b842d904 |
512 | if (TMath::Abs(track0->GetParameter()[3]+track1->GetParameter()[3])>0.1) continue; |
| 774a5ee9 |
513 | // |
| 514 | AliESDfriendTrack *friendTrack = 0; |
| 515 | TObject *calibObject=0; |
| 516 | AliTPCseed *seed0 = 0,*seed1=0; |
| 517 | // |
| 3326b323 |
518 | friendTrack = (AliESDfriendTrack *)eESDfriend->GetTrack(i0);; |
| b9908d0b |
519 | if (!friendTrack) continue; |
| 774a5ee9 |
520 | for (Int_t l=0;(calibObject=friendTrack->GetCalibObject(l));++l) { |
| 521 | if ((seed0=dynamic_cast<AliTPCseed*>(calibObject))) break; |
| 522 | } |
| 3326b323 |
523 | friendTrack = (AliESDfriendTrack *)eESDfriend->GetTrack(i1);; |
| b9908d0b |
524 | if (!friendTrack) continue; |
| 774a5ee9 |
525 | for (Int_t l=0;(calibObject=friendTrack->GetCalibObject(l));++l) { |
| 526 | if ((seed1=dynamic_cast<AliTPCseed*>(calibObject))) break; |
| 527 | } |
| 774a5ee9 |
528 | if (!seed0) continue; |
| b842d904 |
529 | // |
| 530 | // |
| 774a5ee9 |
531 | if (!seed1) continue; |
| 532 | Int_t nclsectors0[72], nclsectors1[72]; |
| 533 | for (Int_t isec=0;isec<72;isec++){ |
| 534 | nclsectors0[isec]=0; |
| 535 | nclsectors1[isec]=0; |
| 536 | } |
| 537 | for (Int_t i=0;i<160;i++){ |
| 538 | AliTPCclusterMI *c0=seed0->GetClusterPointer(i); |
| 539 | AliTPCclusterMI *c1=seed1->GetClusterPointer(i); |
| 540 | if (c0) nclsectors0[c0->GetDetector()]+=1; |
| 541 | if (c1) nclsectors1[c1->GetDetector()]+=1; |
| 542 | } |
| 543 | |
| 544 | for (Int_t isec0=0; isec0<72;isec0++){ |
| 545 | if (nclsectors0[isec0]<kminCl) continue; |
| 546 | for (Int_t isec1=0; isec1<72;isec1++){ |
| 547 | if (nclsectors1[isec1]<kminCl) continue; |
| 548 | Int_t s0 = isec0; |
| 549 | Int_t s1 = isec1; |
| 550 | Double_t parLine0[10]; |
| 551 | Double_t parLine1[10]; |
| 552 | TMatrixD par0(4,1),cov0(4,4),par1(4,1),cov1(4,4); |
| 4de48bc7 |
553 | Bool_t useInnerOuter = kFALSE; |
| 554 | if (s1%36!=s0%36) useInnerOuter = fUseInnerOuter; // for left - right alignment both sectors refit can be used if specified |
| 555 | Int_t nl0 = RefitLinear(seed0,s0, parLine0, s0,par0,cov0,fXIO,useInnerOuter); |
| 556 | Int_t nl1 = RefitLinear(seed1,s1, parLine1, s0,par1,cov1,fXIO,useInnerOuter); |
| 774a5ee9 |
557 | parLine0[0]=0; // reference frame in IO boundary |
| 558 | parLine1[0]=0; |
| 559 | // if (nl0<kminCl || nl1<kminCl) continue; |
| 560 | // |
| 561 | // |
| 562 | Bool_t isOK=kTRUE; |
| 563 | if (TMath::Min(nl0,nl1)<kminCl) isOK=kFALSE; |
| 564 | // apply selection criteria |
| 565 | // |
| 566 | Float_t dp0,dp1,dp3; |
| 567 | Float_t pp0,pp1,pp3; |
| 568 | dp0=par0(0,0)-par1(0,0); |
| 569 | dp1=par0(1,0)-par1(1,0); |
| 570 | dp3=par0(3,0)-par1(3,0); |
| 571 | pp0=dp0/TMath::Sqrt(cov0(0,0)+cov1(0,0)+0.1*0.1); |
| 572 | pp1=dp1/TMath::Sqrt(cov0(1,1)+cov1(1,1)+0.0015*0.0015); |
| 573 | pp3=dp3/TMath::Sqrt(cov0(3,3)+cov1(3,3)+0.0015*0.0015); |
| 574 | // |
| 575 | if (TMath::Abs(dp0)>1.0) isOK=kFALSE; |
| 576 | if (TMath::Abs(dp1)>0.02) isOK=kFALSE; |
| 577 | if (TMath::Abs(dp3)>0.02) isOK=kFALSE; |
| 578 | if (TMath::Abs(pp0)>6) isOK=kFALSE; |
| 579 | if (TMath::Abs(pp1)>6) isOK=kFALSE; |
| 580 | if (TMath::Abs(pp3)>6) isOK=kFALSE; |
| 581 | // |
| 582 | if (isOK){ |
| 583 | FillHisto(parLine0,parLine1,s0,s1); |
| 584 | ProcessAlign(parLine0,parLine1,s0,s1); |
| 585 | UpdateKalman(s0,s1,par0, cov0, par1, cov1); |
| 586 | } |
| 587 | if (fStreamLevel>0){ |
| 588 | TTreeSRedirector *cstream = GetDebugStreamer(); |
| 589 | if (cstream){ |
| 590 | (*cstream)<<"cosmic"<< |
| 591 | "isOK="<<isOK<< |
| 592 | "s0="<<s0<< |
| 593 | "s1="<<s1<< |
| 594 | "nl0="<<nl0<< |
| 595 | "nl1="<<nl1<< |
| 596 | "p0.="<<&par0<< |
| 597 | "p1.="<<&par1<< |
| 598 | "c0.="<<&cov0<< |
| 599 | "c1.="<<&cov1<< |
| 600 | "\n"; |
| 601 | } |
| 602 | } |
| 603 | } |
| 604 | } |
| 605 | } |
| 606 | } |
| 607 | } |
| 608 | |
| 4de48bc7 |
609 | void AliTPCcalibAlign::ExportTrackPoints(AliESDEvent *event){ |
| 610 | // |
| 611 | // Export track points for alignment - calibration |
| 612 | // export space points for pairs of tracks if possible |
| 613 | // |
| 3326b323 |
614 | AliESDfriend *eESDfriend=static_cast<AliESDfriend*>(event->FindListObject("AliESDfriend")); |
| 615 | if (!eESDfriend) return; |
| 4de48bc7 |
616 | Int_t ntracks=event->GetNumberOfTracks(); |
| b842d904 |
617 | Int_t kMaxTracks=4; // maximal number of tracks for cosmic pairs |
| 618 | Int_t kMinVertexTracks=5; // maximal number of tracks for vertex mesurement |
| 619 | |
| 4de48bc7 |
620 | //cuts |
| 621 | const Int_t kminCl = 60; |
| 622 | const Int_t kminClSum = 120; |
| b842d904 |
623 | //const Double_t kDistY = 5; |
| 4de48bc7 |
624 | // const Double_t kDistZ = 40; |
| 625 | const Double_t kDistTh = 0.05; |
| b842d904 |
626 | const Double_t kDistThS = 0.002; |
| 4de48bc7 |
627 | const Double_t kDist1Pt = 0.1; |
| b842d904 |
628 | const Double_t kMaxD0 =3; // max distance to the primary vertex |
| 629 | const Double_t kMaxD1 =5; // max distance to the primary vertex |
| 630 | const AliESDVertex *tpcVertex = 0; |
| 631 | // get the primary vertex TPC |
| 632 | if (ntracks>kMinVertexTracks) { |
| 633 | tpcVertex = event->GetPrimaryVertexSPD(); |
| 634 | if (tpcVertex->GetNContributors()<kMinVertexTracks) tpcVertex=0; |
| 635 | } |
| 4de48bc7 |
636 | // |
| 637 | Float_t dca0[2]; |
| b842d904 |
638 | // Float_t dca1[2]; |
| 4de48bc7 |
639 | Int_t index0=0,index1=0; |
| 640 | // |
| 641 | for (Int_t i0=0;i0<ntracks;++i0) { |
| 642 | AliESDtrack *track0 = event->GetTrack(i0); |
| 643 | if (!track0) continue; |
| 644 | if ((track0->GetStatus() & AliESDtrack::kTPCrefit)==0) continue; |
| 645 | if (track0->GetOuterParam()==0) continue; |
| b842d904 |
646 | if (track0->GetInnerParam()==0) continue; |
| 647 | if (TMath::Abs(track0->GetInnerParam()->GetSigned1Pt()-track0->GetOuterParam()->GetSigned1Pt())>kDist1Pt) continue; |
| 648 | if (TMath::Abs(track0->GetInnerParam()->GetSigned1Pt())>kDist1Pt) continue; |
| 649 | if (TMath::Abs(track0->GetInnerParam()->GetTgl()-track0->GetOuterParam()->GetTgl())>kDistThS) continue; |
| 4de48bc7 |
650 | AliESDtrack *track1P = 0; |
| 651 | if (track0->GetTPCNcls()<kminCl) continue; |
| 652 | track0->GetImpactParameters(dca0[0],dca0[1]); |
| 653 | index0=i0; |
| 654 | index1=-1; |
| 655 | // |
| b842d904 |
656 | if (ntracks<kMaxTracks) for (Int_t i1=i0+1;i1<ntracks;++i1) { |
| 4de48bc7 |
657 | if (i0==i1) continue; |
| 658 | AliESDtrack *track1 = event->GetTrack(i1); |
| 659 | if (!track1) continue; |
| 660 | if ((track1->GetStatus() & AliESDtrack::kTPCrefit)==0) continue; |
| 661 | if (track1->GetOuterParam()==0) continue; |
| b842d904 |
662 | if (track1->GetInnerParam()==0) continue; |
| 4de48bc7 |
663 | if (track1->GetTPCNcls()<kminCl) continue; |
| b842d904 |
664 | if (TMath::Abs(track1->GetInnerParam()->GetSigned1Pt()-track1->GetOuterParam()->GetSigned1Pt())>kDist1Pt) continue; |
| 665 | if (TMath::Abs(track1->GetInnerParam()->GetTgl()-track1->GetOuterParam()->GetTgl())>kDistThS) continue; |
| 666 | if (TMath::Abs(track1->GetInnerParam()->GetSigned1Pt())>kDist1Pt) continue; |
| 667 | //track1->GetImpactParameters(dca1[0],dca1[1]); |
| 4de48bc7 |
668 | //if (TMath::Abs(dca1[0]-dca0[0])>kDistY) continue; |
| 669 | //if (TMath::Abs(dca1[1]-dca0[1])>kDistZ) continue; |
| 670 | if (TMath::Abs(track0->GetTgl()+track1->GetTgl())>kDistTh) continue; |
| 671 | if (TMath::Abs(track0->GetSigned1Pt()+track1->GetSigned1Pt())>kDist1Pt) continue; |
| 672 | track1P = track1; |
| 673 | index1=i1; |
| 674 | } |
| 675 | AliESDfriendTrack *friendTrack = 0; |
| 676 | TObject *calibObject=0; |
| 677 | AliTPCseed *seed0 = 0,*seed1=0; |
| 678 | // |
| 3326b323 |
679 | friendTrack = (AliESDfriendTrack *)eESDfriend->GetTrack(index0);; |
| b9908d0b |
680 | if (!friendTrack) continue; |
| 4de48bc7 |
681 | for (Int_t l=0;(calibObject=friendTrack->GetCalibObject(l));++l) { |
| 682 | if ((seed0=dynamic_cast<AliTPCseed*>(calibObject))) break; |
| 683 | } |
| 684 | if (index1>0){ |
| 3326b323 |
685 | friendTrack = (AliESDfriendTrack *)eESDfriend->GetTrack(index1);; |
| b9908d0b |
686 | if (!friendTrack) continue; |
| 4de48bc7 |
687 | for (Int_t l=0;(calibObject=friendTrack->GetCalibObject(l));++l) { |
| 688 | if ((seed1=dynamic_cast<AliTPCseed*>(calibObject))) break; |
| 689 | } |
| 690 | } |
| 691 | // |
| 692 | Int_t npoints=0, ncont=0; |
| 693 | if (seed0) {npoints+=seed0->GetNumberOfClusters(); ncont++;} |
| 694 | if (seed1) {npoints+=seed1->GetNumberOfClusters(); ncont++;} |
| 695 | if (npoints<kminClSum) continue; |
| 696 | Int_t cpoint=0; |
| 697 | AliTrackPointArray array(npoints); |
| b842d904 |
698 | if (tpcVertex){ |
| 699 | Double_t dxyz[3]={0,0,0}; |
| 700 | Double_t dc[6]={0,0,0}; |
| 701 | tpcVertex->GetXYZ(dxyz); |
| 702 | tpcVertex->GetCovarianceMatrix(dc); |
| 703 | Float_t xyz[3]={dxyz[0],dxyz[1],dxyz[2]}; |
| 704 | Float_t cov[6]={dc[0]+1,dc[1],dc[2]+1,dc[3],dc[4],dc[5]+100.}; |
| 705 | AliTrackPoint point(xyz,cov,73); // add point to not existing volume |
| 706 | Float_t dtpc[2],dcov[3]; |
| 707 | track0->GetImpactParametersTPC(dtpc,dcov); |
| 708 | if (TMath::Abs(dtpc[0])>kMaxD0) continue; |
| 709 | if (TMath::Abs(dtpc[1])>kMaxD1) continue; |
| 710 | } |
| 711 | |
| 4de48bc7 |
712 | if (seed0) for (Int_t icl = 0; icl<160; icl++){ |
| 713 | AliTPCclusterMI *cluster=seed0->GetClusterPointer(icl); |
| 714 | if (!cluster) continue; |
| 715 | Float_t xyz[3]; |
| 716 | Float_t cov[6]; |
| 717 | cluster->GetGlobalXYZ(xyz); |
| 718 | cluster->GetGlobalCov(cov); |
| 719 | AliTrackPoint point(xyz,cov,cluster->GetDetector()); |
| b842d904 |
720 | array.AddPoint(npoints, &point); |
| 4de48bc7 |
721 | if (cpoint>=npoints) continue; //shoul not happen |
| 722 | array.AddPoint(cpoint, &point); |
| 723 | cpoint++; |
| 724 | } |
| 725 | if (seed1) for (Int_t icl = 0; icl<160; icl++){ |
| 726 | AliTPCclusterMI *cluster=seed1->GetClusterPointer(icl); |
| 727 | if (!cluster) continue; |
| 728 | Float_t xyz[3]; |
| 729 | Float_t cov[6]; |
| 730 | cluster->GetGlobalXYZ(xyz); |
| 731 | cluster->GetGlobalCov(cov); |
| 732 | AliTrackPoint point(xyz,cov,cluster->GetDetector()); |
| 733 | array.AddPoint(npoints, &point); |
| 734 | if (cpoint>=npoints) continue; //shoul not happen |
| 735 | array.AddPoint(cpoint, &point); |
| 736 | cpoint++; |
| 737 | } |
| 738 | // |
| 739 | // |
| 740 | // |
| 741 | TTreeSRedirector *cstream = GetDebugStreamer(); |
| 742 | if (cstream){ |
| b842d904 |
743 | Bool_t isVertex=(tpcVertex)? kTRUE:kFALSE; |
| 744 | Double_t tof0=track0->GetTOFsignal(); |
| 745 | Double_t tof1=(track1P) ? track1P->GetTOFsignal(): 0; |
| 4de48bc7 |
746 | static AliExternalTrackParam dummy; |
| 747 | AliExternalTrackParam *p0In = &dummy; |
| 748 | AliExternalTrackParam *p1In = &dummy; |
| 749 | AliExternalTrackParam *p0Out = &dummy; |
| 750 | AliExternalTrackParam *p1Out = &dummy; |
| b842d904 |
751 | AliESDVertex vdummy; |
| 752 | AliESDVertex *pvertex= (tpcVertex)? (AliESDVertex *)tpcVertex: &vdummy; |
| 4de48bc7 |
753 | if (track0) { |
| 754 | p0In= new AliExternalTrackParam(*track0); |
| 755 | p0Out=new AliExternalTrackParam(*(track0->GetOuterParam())); |
| 756 | } |
| 757 | if (track1P) { |
| 758 | p1In= new AliExternalTrackParam(*track1P); |
| 759 | p1Out=new AliExternalTrackParam(*(track1P->GetOuterParam())); |
| 760 | } |
| 761 | |
| 762 | (*cstream)<<"trackPoints"<< |
| 763 | "run="<<fRun<< // run number |
| 764 | "event="<<fEvent<< // event number |
| 765 | "time="<<fTime<< // time stamp of event |
| 766 | "trigger="<<fTrigger<< // trigger |
| 767 | "triggerClass="<<&fTriggerClass<< // trigger |
| 768 | "mag="<<fMagF<< // magnetic field |
| b842d904 |
769 | "pvertex.="<<pvertex<< // vertex |
| 4de48bc7 |
770 | // |
| b842d904 |
771 | "isVertex="<<isVertex<< // flag is with prim vertex |
| 772 | "tof0="<<tof0<< // tof signal 0 |
| 773 | "tof1="<<tof1<< // tof signal 1 |
| 774 | "seed0.="<<seed0<< // track info |
| 4de48bc7 |
775 | "ntracks="<<ntracks<< // number of tracks |
| 776 | "ncont="<<ncont<< // number of contributors |
| 777 | "p0In.="<<p0In<< // track parameters0 |
| 778 | "p1In.="<<p1In<< // track parameters1 |
| 779 | "p0Out.="<<p0Out<< // track parameters0 |
| 780 | "p1Out.="<<p1Out<< // track parameters0 |
| 781 | "p.="<<&array<< |
| 782 | "\n"; |
| 783 | } |
| 784 | } |
| 785 | } |
| 786 | |
| 774a5ee9 |
787 | |
| 788 | |
| 789 | |
| b842d904 |
790 | void AliTPCcalibAlign::ProcessSeed(AliTPCseed *seed) { |
| 175d237b |
791 | // |
| 792 | // |
| 793 | // |
| 774a5ee9 |
794 | // make a kalman tracklets out of seed |
| 795 | // |
| 5b7417d2 |
796 | UpdateClusterDeltaField(seed); |
| e4042305 |
797 | TObjArray tracklets= |
| 798 | AliTPCTracklet::CreateTracklets(seed,AliTPCTracklet::kKalman, |
| 774a5ee9 |
799 | kFALSE,20,4); |
| e4042305 |
800 | tracklets.SetOwner(); |
| 774a5ee9 |
801 | Int_t ntracklets = tracklets.GetEntries(); |
| 802 | if (ntracklets<2) return; |
| 803 | // |
| 804 | // |
| 805 | for (Int_t i1=0;i1<ntracklets;i1++) |
| 806 | for (Int_t i2=0;i2<ntracklets;i2++){ |
| 807 | if (i1==i2) continue; |
| 808 | AliTPCTracklet *t1=static_cast<AliTPCTracklet*>(tracklets[i1]); |
| 809 | AliTPCTracklet *t2=static_cast<AliTPCTracklet*>(tracklets[i2]); |
| 810 | AliExternalTrackParam *common1=0,*common2=0; |
| 811 | if (AliTPCTracklet::PropagateToMeanX(*t1,*t2,common1,common2)){ |
| 4486a91f |
812 | ProcessTracklets(*common1,*common2,seed, t1->GetSector(),t2->GetSector()); |
| 774a5ee9 |
813 | UpdateAlignSector(seed,t1->GetSector()); |
| 814 | } |
| 815 | delete common1; |
| 816 | delete common2; |
| 817 | } |
| e4042305 |
818 | } |
| 819 | |
| 7eaa723e |
820 | void AliTPCcalibAlign::Analyze(){ |
| 821 | // |
| 822 | // Analyze function |
| 823 | // |
| 824 | EvalFitters(); |
| 825 | } |
| 826 | |
| 827 | |
| 828 | void AliTPCcalibAlign::Terminate(){ |
| 829 | // |
| 830 | // Terminate function |
| 831 | // call base terminate + Eval of fitters |
| 832 | // |
| 108953e9 |
833 | Info("AliTPCcalibAlign","Terminate"); |
| 7eaa723e |
834 | EvalFitters(); |
| 835 | AliTPCcalibBase::Terminate(); |
| 836 | } |
| 837 | |
| 838 | |
| 774a5ee9 |
839 | void AliTPCcalibAlign::UpdatePointCorrection(AliTPCPointCorrection * correction){ |
| 840 | // |
| 841 | // Update point correction with alignment coefficients |
| 842 | // |
| 843 | for (Int_t isec=0;isec<36;isec++){ |
| 844 | TMatrixD * matCorr = (TMatrixD*)(correction->fArraySectorIntParam.At(isec)); |
| 845 | TMatrixD * matAlign = (TMatrixD*)(fArraySectorIntParam.At(isec)); |
| 846 | TMatrixD * matAlignCovar = (TMatrixD*)(fArraySectorIntCovar.At(isec)); |
| 847 | if (!matAlign) continue; |
| 848 | if (!matCorr) { |
| 849 | correction->fArraySectorIntParam.AddAt(matAlign->Clone(),isec); |
| 850 | correction->fArraySectorIntCovar.AddAt(matAlignCovar->Clone(),isec); |
| 851 | continue; |
| 852 | } |
| 853 | (*matCorr)+=(*matAlign); |
| 854 | correction->fArraySectorIntCovar.AddAt(matAlignCovar->Clone(),isec); |
| 855 | } |
| 856 | // |
| 857 | |
| 858 | } |
| 7eaa723e |
859 | |
| 860 | |
| e4042305 |
861 | void AliTPCcalibAlign::ProcessTracklets(const AliExternalTrackParam &tp1, |
| 862 | const AliExternalTrackParam &tp2, |
| 967eae0d |
863 | const AliTPCseed * seed, |
| e4042305 |
864 | Int_t s1,Int_t s2) { |
| 9318a5b4 |
865 | // |
| 866 | // Process function to fill fitters |
| 867 | // |
| ad746939 |
868 | if (!seed) return; |
| 1d82fc56 |
869 | Double_t t1[10],t2[10]; |
| 774a5ee9 |
870 | Double_t &x1=t1[0], &y1=t1[1], &z1=t1[3], &dydx1=t1[2], &dzdx1=t1[4]; |
| 871 | Double_t &x2=t2[0], &y2=t2[1], &z2=t2[3], &dydx2=t2[2], &dzdx2=t2[4]; |
| 9318a5b4 |
872 | x1 =tp1.GetX(); |
| 873 | y1 =tp1.GetY(); |
| 874 | z1 =tp1.GetZ(); |
| 875 | Double_t snp1=tp1.GetSnp(); |
| 60e55aee |
876 | dydx1=snp1/TMath::Sqrt((1.-snp1)*(1.+snp1)); |
| 9318a5b4 |
877 | Double_t tgl1=tp1.GetTgl(); |
| 878 | // dz/dx = 1/(cos(theta)*cos(phi)) |
| 60e55aee |
879 | dzdx1=tgl1/TMath::Sqrt((1.-snp1)*(1.+snp1)); |
| 7eaa723e |
880 | x2 =tp2.GetX(); |
| 9318a5b4 |
881 | y2 =tp2.GetY(); |
| 882 | z2 =tp2.GetZ(); |
| 883 | Double_t snp2=tp2.GetSnp(); |
| 60e55aee |
884 | dydx2=snp2/TMath::Sqrt((1.-snp2)*(1.+snp2)); |
| 9318a5b4 |
885 | Double_t tgl2=tp2.GetTgl(); |
| 60e55aee |
886 | dzdx2=tgl2/TMath::Sqrt((1.-snp2)*(1.+snp2)); |
| 774a5ee9 |
887 | |
| 7eaa723e |
888 | // |
| 774a5ee9 |
889 | // Kalman parameters |
| 7eaa723e |
890 | // |
| 774a5ee9 |
891 | t1[0]-=fXIO; |
| 892 | t2[0]-=fXIO; |
| 893 | // errors |
| 894 | t1[5]=0; t2[5]=0; |
| 895 | t1[6]=TMath::Sqrt(tp1.GetSigmaY2()); |
| 896 | t1[7]=TMath::Sqrt(tp1.GetSigmaSnp2()); |
| 897 | t1[8]=TMath::Sqrt(tp1.GetSigmaZ2()); |
| 898 | t1[9]=TMath::Sqrt(tp1.GetSigmaTgl2()); |
| 899 | |
| 900 | t2[6]=TMath::Sqrt(tp2.GetSigmaY2()); |
| 901 | t2[7]=TMath::Sqrt(tp2.GetSigmaSnp2()); |
| 902 | t2[8]=TMath::Sqrt(tp2.GetSigmaZ2()); |
| 903 | t2[9]=TMath::Sqrt(tp2.GetSigmaTgl2()); |
| 7eaa723e |
904 | // |
| 774a5ee9 |
905 | // linear parameters |
| 906 | // |
| 907 | Double_t parLine1[10]; |
| 908 | Double_t parLine2[10]; |
| 909 | TMatrixD par1(4,1),cov1(4,4),par2(4,1),cov2(4,4); |
| 4de48bc7 |
910 | Bool_t useInnerOuter = kFALSE; |
| 911 | if (s1%36!=s2%36) useInnerOuter = fUseInnerOuter; // for left - right alignment bot sectors refit can be used if specified |
| 912 | Int_t nl1 = RefitLinear(seed,s1, parLine1, s1,par1,cov1,tp1.GetX(), useInnerOuter); |
| 913 | Int_t nl2 = RefitLinear(seed,s2, parLine2, s1,par2,cov2,tp1.GetX(), useInnerOuter); |
| 774a5ee9 |
914 | parLine1[0]=tp1.GetX()-fXIO; // parameters in IROC-OROC boundary |
| 915 | parLine2[0]=tp1.GetX()-fXIO; // parameters in IROC-OROC boundary |
| 916 | // |
| 917 | // |
| 918 | // |
| 919 | Int_t accept = AcceptTracklet(tp1,tp2); |
| 920 | Int_t acceptLinear = AcceptTracklet(parLine1,parLine2); |
| 60721370 |
921 | |
| 922 | |
| ad746939 |
923 | if (fStreamLevel>1){ |
| 7eaa723e |
924 | TTreeSRedirector *cstream = GetDebugStreamer(); |
| 925 | if (cstream){ |
| 926 | static TVectorD vec1(5); |
| 927 | static TVectorD vec2(5); |
| 774a5ee9 |
928 | static TVectorD vecL1(9); |
| 929 | static TVectorD vecL2(9); |
| 7eaa723e |
930 | vec1.SetElements(t1); |
| 931 | vec2.SetElements(t2); |
| 774a5ee9 |
932 | vecL1.SetElements(parLine1); |
| 933 | vecL2.SetElements(parLine2); |
| 7eaa723e |
934 | AliExternalTrackParam *p1 = &((AliExternalTrackParam&)tp1); |
| 935 | AliExternalTrackParam *p2 = &((AliExternalTrackParam&)tp2); |
| 936 | (*cstream)<<"Tracklet"<< |
| 1d82fc56 |
937 | "accept="<<accept<< |
| 774a5ee9 |
938 | "acceptLinear="<<acceptLinear<< // accept linear tracklets |
| 108953e9 |
939 | "run="<<fRun<< // run number |
| 940 | "event="<<fEvent<< // event number |
| 941 | "time="<<fTime<< // time stamp of event |
| 942 | "trigger="<<fTrigger<< // trigger |
| 774a5ee9 |
943 | "triggerClass="<<&fTriggerClass<< // trigger |
| 108953e9 |
944 | "mag="<<fMagF<< // magnetic field |
| 6f387311 |
945 | "isOK="<<accept<< // flag - used for alignment |
| 7eaa723e |
946 | "tp1.="<<p1<< |
| 947 | "tp2.="<<p2<< |
| 948 | "v1.="<<&vec1<< |
| 949 | "v2.="<<&vec2<< |
| 950 | "s1="<<s1<< |
| 951 | "s2="<<s2<< |
| 774a5ee9 |
952 | "nl1="<<nl1<< // linear fit - n points |
| 953 | "nl2="<<nl2<< // linear fit - n points |
| 954 | "vl1.="<<&vecL1<< // linear fits |
| 955 | "vl2.="<<&vecL2<< // linear fits |
| 7eaa723e |
956 | "\n"; |
| 957 | } |
| 958 | } |
| 774a5ee9 |
959 | if (TMath::Abs(fMagF)<0.005){ |
| 960 | // |
| 961 | // use Linear fit |
| 962 | // |
| 963 | if (nl1>10 && nl2>10 &&(acceptLinear==0)){ |
| ad746939 |
964 | ProcessDiff(tp1,tp2, seed,s1,s2); |
| 774a5ee9 |
965 | if (TMath::Abs(parLine1[2])<0.8 &&TMath::Abs(parLine1[2])<0.8 ){ //angular cut |
| 966 | FillHisto(parLine1,parLine2,s1,s2); |
| 967 | ProcessAlign(parLine1,parLine2,s1,s2); |
| 76c58ee2 |
968 | FillHisto((AliExternalTrackParam*)&tp1,(AliExternalTrackParam*)&tp2,s1,s2); |
| 969 | FillHisto((AliExternalTrackParam*)&tp2,(AliExternalTrackParam*)&tp1,s2,s1); |
| 4486a91f |
970 | //UpdateKalman(s1,s2,par1, cov1, par2, cov2); - OBSOLETE to be removed - 50 % of time here |
| 774a5ee9 |
971 | } |
| 972 | } |
| 973 | } |
| 1d82fc56 |
974 | if (accept>0) return; |
| 8b3c60d8 |
975 | // |
| 976 | // fill resolution histograms - previous cut included |
| 774a5ee9 |
977 | if (TMath::Abs(fMagF)>0.005){ |
| 978 | // |
| 979 | // use Kalman if mag field |
| 980 | // |
| ad746939 |
981 | ProcessDiff(tp1,tp2, seed,s1,s2); |
| 982 | FillHisto((AliExternalTrackParam*)&tp1,(AliExternalTrackParam*)&tp2,s1,s2); |
| 983 | FillHisto((AliExternalTrackParam*)&tp2,(AliExternalTrackParam*)&tp1,s2,s1); |
| 774a5ee9 |
984 | FillHisto(t1,t2,s1,s2); |
| 985 | ProcessAlign(t1,t2,s1,s2); |
| 986 | } |
| 6f387311 |
987 | } |
| 988 | |
| 989 | void AliTPCcalibAlign::ProcessAlign(Double_t * t1, |
| 990 | Double_t * t2, |
| 991 | Int_t s1,Int_t s2){ |
| 992 | // |
| 993 | // Do intersector alignment |
| 8b3c60d8 |
994 | // |
| b322e06a |
995 | //Process12(t1,t2,GetOrMakeFitter12(s1,s2)); |
| 996 | //Process9(t1,t2,GetOrMakeFitter9(s1,s2)); |
| 7eaa723e |
997 | Process6(t1,t2,GetOrMakeFitter6(s1,s2)); |
| e81dc112 |
998 | ++fPoints[GetIndex(s1,s2)]; |
| 9318a5b4 |
999 | } |
| 1000 | |
| 6f387311 |
1001 | |
| 1002 | |
| 1d82fc56 |
1003 | Int_t AliTPCcalibAlign::AcceptTracklet(const AliExternalTrackParam &p1, |
| 3326b323 |
1004 | const AliExternalTrackParam &p2) const |
| 1005 | { |
| 6f387311 |
1006 | |
| 1007 | // |
| 1008 | // Accept pair of tracklets? |
| 1009 | // |
| 1010 | /* |
| 1011 | // resolution cuts |
| 1d82fc56 |
1012 | TCut cutS0("sqrt(tp2.fC[0]+tp1.fC[0])<0.2"); |
| 1013 | TCut cutS1("sqrt(tp2.fC[2]+tp1.fC[2])<0.2"); |
| 1014 | TCut cutS2("sqrt(tp2.fC[5]+tp1.fC[5])<0.01"); |
| 1015 | TCut cutS3("sqrt(tp2.fC[9]+tp1.fC[9])<0.01"); |
| 1016 | TCut cutS4("sqrt(tp2.fC[14]+tp1.fC[14])<0.25"); |
| 6f387311 |
1017 | TCut cutS=cutS0+cutS1+cutS2+cutS3+cutS4; |
| 1018 | // |
| 1019 | // parameters matching cuts |
| 1020 | TCut cutP0("abs(tp1.fP[0]-tp2.fP[0])<0.6"); |
| 1021 | TCut cutP1("abs(tp1.fP[1]-tp2.fP[1])<0.6"); |
| 1022 | TCut cutP2("abs(tp1.fP[2]-tp2.fP[2])<0.03"); |
| 1023 | TCut cutP3("abs(tp1.fP[3]-tp2.fP[3])<0.03"); |
| 1d82fc56 |
1024 | TCut cutP4("abs(tp1.fP[4]-tp2.fP[4])<0.5"); |
| 1025 | TCut cutPP4("abs(tp1.fP[4]-tp2.fP[4])/sqrt(tp2.fC[14]+tp1.fC[14])<3"); |
| 1026 | TCut cutP=cutP0+cutP1+cutP2+cutP3+cutP4+cutPP4; |
| 6f387311 |
1027 | */ |
| 1028 | // |
| 1029 | // resolution cuts |
| 1d82fc56 |
1030 | Int_t reject=0; |
| 6f387311 |
1031 | const Double_t *cp1 = p1.GetCovariance(); |
| 1032 | const Double_t *cp2 = p2.GetCovariance(); |
| 1d82fc56 |
1033 | if (TMath::Sqrt(cp1[0]+cp2[0])>0.2) reject|=1;; |
| 1034 | if (TMath::Sqrt(cp1[2]+cp2[2])>0.2) reject|=2; |
| 1035 | if (TMath::Sqrt(cp1[5]+cp2[5])>0.01) reject|=4; |
| 1036 | if (TMath::Sqrt(cp1[9]+cp2[9])>0.01) reject|=8; |
| 1037 | if (TMath::Sqrt(cp1[14]+cp2[14])>0.2) reject|=16; |
| 6f387311 |
1038 | |
| 1039 | //parameters difference |
| 1040 | const Double_t *tp1 = p1.GetParameter(); |
| 1041 | const Double_t *tp2 = p2.GetParameter(); |
| 1d82fc56 |
1042 | if (TMath::Abs(tp1[0]-tp2[0])>0.6) reject|=32; |
| 1043 | if (TMath::Abs(tp1[1]-tp2[1])>0.6) reject|=64; |
| 1044 | if (TMath::Abs(tp1[2]-tp2[2])>0.03) reject|=128; |
| 1045 | if (TMath::Abs(tp1[3]-tp2[3])>0.03) reject|=526; |
| 1046 | if (TMath::Abs(tp1[4]-tp2[4])>0.4) reject|=1024; |
| 1047 | if (TMath::Abs(tp1[4]-tp2[4])/TMath::Sqrt(cp1[14]+cp2[14])>4) reject|=2048; |
| 1048 | |
| 6f387311 |
1049 | // |
| 1d82fc56 |
1050 | if (TMath::Abs(tp2[1])>235) reject|=2*4096; |
| 1051 | |
| 1052 | if (fNoField){ |
| 1053 | |
| 1054 | } |
| 1055 | |
| 1056 | return reject; |
| 6f387311 |
1057 | } |
| 1058 | |
| 1059 | |
| 3326b323 |
1060 | Int_t AliTPCcalibAlign::AcceptTracklet(const Double_t *t1, const Double_t *t2) const |
| 1061 | { |
| 774a5ee9 |
1062 | // |
| 1063 | // accept tracklet - |
| 1064 | // dist cut + 6 sigma cut |
| 1065 | // |
| 1066 | Double_t dy = t2[1]-t1[1]; |
| 1067 | Double_t dphi = t2[2]-t1[2]; |
| 1068 | Double_t dz = t2[3]-t1[3]; |
| 1069 | Double_t dtheta = t2[4]-t1[4]; |
| 1070 | // |
| 1071 | Double_t sy = TMath::Sqrt(t1[6]*t1[6]+t2[6]*t2[6]+0.05*0.05); |
| 1072 | Double_t sdydx = TMath::Sqrt(t1[7]*t1[7]+t2[7]*t2[7]+0.001*0.001); |
| 1073 | Double_t sz = TMath::Sqrt(t1[8]*t1[8]+t2[8]*t2[8]+0.05*0.05); |
| 1074 | Double_t sdzdx = TMath::Sqrt(t1[9]*t1[9]+t2[9]*t2[9]+0.001*0.001); |
| 1075 | // |
| 1076 | Int_t reject=0; |
| 1077 | if (TMath::Abs(dy)>1.) reject|=2; |
| 1078 | if (TMath::Abs(dphi)>0.1) reject|=4; |
| 1079 | if (TMath::Abs(dz)>1.) reject|=8; |
| 1080 | if (TMath::Abs(dtheta)>0.1) reject|=16; |
| 1081 | // |
| 1082 | if (TMath::Abs(dy/sy)>6) reject|=32; |
| 1083 | if (TMath::Abs(dphi/sdydx)>6) reject|=64; |
| 1084 | if (TMath::Abs(dz/sz)>6) reject|=128; |
| 1085 | if (TMath::Abs(dtheta/sdzdx)>6) reject|=256; |
| 1086 | return reject; |
| 1087 | } |
| 1088 | |
| 6f387311 |
1089 | |
| 967eae0d |
1090 | void AliTPCcalibAlign::ProcessDiff(const AliExternalTrackParam &t1, |
| 1091 | const AliExternalTrackParam &t2, |
| 1092 | const AliTPCseed *seed, |
| 1093 | Int_t s1,Int_t s2) |
| 1094 | { |
| 1095 | // |
| 1096 | // Process local residuals function |
| 1097 | // |
| 1098 | TVectorD vecX(160); |
| 1099 | TVectorD vecY(160); |
| 1100 | TVectorD vecZ(160); |
| 1101 | TVectorD vecClY(160); |
| 1102 | TVectorD vecClZ(160); |
| 1103 | TClonesArray arrCl("AliTPCclusterMI",160); |
| 1104 | arrCl.ExpandCreateFast(160); |
| 1105 | Int_t count1=0, count2=0; |
| 1d82fc56 |
1106 | |
| 967eae0d |
1107 | for (Int_t i=0;i<160;++i) { |
| 1108 | AliTPCclusterMI *c=seed->GetClusterPointer(i); |
| 1109 | vecX[i]=0; |
| 1110 | vecY[i]=0; |
| 1111 | vecZ[i]=0; |
| 1112 | if (!c) continue; |
| 1113 | AliTPCclusterMI & cl = (AliTPCclusterMI&) (*arrCl[i]); |
| 1114 | if (c->GetDetector()!=s1 && c->GetDetector()!=s2) continue; |
| 1115 | vecClY[i] = c->GetY(); |
| 1116 | vecClZ[i] = c->GetZ(); |
| 1117 | cl=*c; |
| 1118 | const AliExternalTrackParam *par = (c->GetDetector()==s1)? &t1:&t2; |
| 1119 | if (c->GetDetector()==s1) ++count1; |
| 1120 | if (c->GetDetector()==s2) ++count2; |
| 1121 | Double_t gxyz[3],xyz[3]; |
| 1122 | t1.GetXYZ(gxyz); |
| 1123 | Float_t bz = AliTracker::GetBz(gxyz); |
| 1124 | par->GetYAt(c->GetX(), bz, xyz[1]); |
| 1125 | par->GetZAt(c->GetX(), bz, xyz[2]); |
| 1126 | vecX[i] = c->GetX(); |
| 1127 | vecY[i]= xyz[1]; |
| 1128 | vecZ[i]= xyz[2]; |
| 1129 | } |
| 1130 | // |
| 1131 | // |
| 774a5ee9 |
1132 | if (fStreamLevel>5 && count1>10 && count2>10){ |
| 967eae0d |
1133 | // |
| 1134 | // huge output - cluster residuals to be investigated |
| 1135 | // |
| 1136 | TTreeSRedirector *cstream = GetDebugStreamer(); |
| 967eae0d |
1137 | AliExternalTrackParam *p1 = &((AliExternalTrackParam&)t1); |
| 1138 | AliExternalTrackParam *p2 = &((AliExternalTrackParam&)t2); |
| 1c1a1176 |
1139 | /* |
| 1140 | |
| 1141 | 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"); |
| 1142 | |
| 1143 | */ |
| 1144 | |
| 967eae0d |
1145 | if (cstream){ |
| 1146 | (*cstream)<<"Track"<< |
| 108953e9 |
1147 | "run="<<fRun<< // run number |
| 1148 | "event="<<fEvent<< // event number |
| 1149 | "time="<<fTime<< // time stamp of event |
| 1150 | "trigger="<<fTrigger<< // trigger |
| 774a5ee9 |
1151 | "triggerClass="<<&fTriggerClass<< // trigger |
| 108953e9 |
1152 | "mag="<<fMagF<< // magnetic field |
| 967eae0d |
1153 | "Cl.="<<&arrCl<< |
| 1154 | //"tp0.="<<p0<< |
| 1155 | "tp1.="<<p1<< |
| 1156 | "tp2.="<<p2<< |
| 1157 | "vtX.="<<&vecX<< |
| 1158 | "vtY.="<<&vecY<< |
| 1159 | "vtZ.="<<&vecZ<< |
| 1160 | "vcY.="<<&vecClY<< |
| 1161 | "vcZ.="<<&vecClZ<< |
| 1162 | "s1="<<s1<< |
| 1163 | "s2="<<s2<< |
| 1164 | "c1="<<count1<< |
| 1165 | "c2="<<count2<< |
| 1166 | "\n"; |
| 1167 | } |
| 1168 | } |
| 1169 | } |
| 1170 | |
| 1171 | |
| 1172 | |
| 1173 | |
| 7eaa723e |
1174 | void AliTPCcalibAlign::Process12(const Double_t *t1, |
| 1175 | const Double_t *t2, |
| 3326b323 |
1176 | TLinearFitter *fitter) const |
| 1177 | { |
| 9318a5b4 |
1178 | // x2 = a00*x1 + a01*y1 + a02*z1 + a03 |
| 1179 | // y2 = a10*x1 + a11*y1 + a12*z1 + a13 |
| 1180 | // z2 = a20*x1 + a21*y1 + a22*z1 + a23 |
| 1181 | // dydx2 = (a10 + a11*dydx1 + a12*dzdx1)/(a00 + a01*dydx1 + a02*dzdx1) |
| 1182 | // dzdx2 = (a20 + a21*dydx1 + a22*dzdx1)/(a00 + a01*dydx1 + a02*dzdx1) |
| 1183 | // |
| f8a2dcfb |
1184 | // a00 a01 a02 a03 p[0] p[1] p[2] p[9] |
| 1185 | // a10 a11 a12 a13 ==> p[3] p[4] p[5] p[10] |
| 1186 | // a20 a21 a22 a23 p[6] p[7] p[8] p[11] |
| 1187 | |
| 1188 | |
| 1189 | |
| 774a5ee9 |
1190 | const Double_t &x1=t1[0], &y1=t1[1], &z1=t1[3], &dydx1=t1[2], &dzdx1=t1[4]; |
| 1191 | const Double_t /*&x2=t2[0],*/ &y2=t2[1], &z2=t2[3], &dydx2=t2[2], &dzdx2=t2[4]; |
| 9318a5b4 |
1192 | |
| 1d82fc56 |
1193 | // |
| 774a5ee9 |
1194 | Double_t sy = TMath::Sqrt(t1[6]*t1[6]+t2[6]*t2[6]); |
| 1195 | Double_t sdydx = TMath::Sqrt(t1[7]*t1[7]+t2[7]*t2[7]); |
| 1196 | Double_t sz = TMath::Sqrt(t1[8]*t1[8]+t2[8]*t2[8]); |
| 1197 | Double_t sdzdx = TMath::Sqrt(t1[9]*t1[9]+t2[9]*t2[9]); |
| 9318a5b4 |
1198 | |
| 1199 | Double_t p[12]; |
| 1200 | Double_t value; |
| 1201 | |
| 1202 | // x2 = a00*x1 + a01*y1 + a02*z1 + a03 |
| 1203 | // y2 = a10*x1 + a11*y1 + a12*z1 + a13 |
| 1204 | // y2' = a10*x1 + a11*y1 + a12*z1 + a13 + (a01*y1 + a02*z1 + a03)*dydx2 |
| 1205 | for (Int_t i=0; i<12;i++) p[i]=0.; |
| 1206 | p[3+0] = x1; // a10 |
| 1207 | p[3+1] = y1; // a11 |
| 1208 | p[3+2] = z1; // a12 |
| 1209 | p[9+1] = 1.; // a13 |
| 1210 | p[0+1] = y1*dydx2; // a01 |
| 1211 | p[0+2] = z1*dydx2; // a02 |
| 1212 | p[9+0] = dydx2; // a03 |
| 1213 | value = y2; |
| 1214 | fitter->AddPoint(p,value,sy); |
| 1215 | |
| 1216 | // x2 = a00*x1 + a01*y1 + a02*z1 + a03 |
| 1217 | // z2 = a20*x1 + a21*y1 + a22*z1 + a23 |
| 1218 | // z2' = a20*x1 + a21*y1 + a22*z1 + a23 + (a01*y1 + a02*z1 + a03)*dzdx2; |
| 1219 | for (Int_t i=0; i<12;i++) p[i]=0.; |
| 1220 | p[6+0] = x1; // a20 |
| 1221 | p[6+1] = y1; // a21 |
| 1222 | p[6+2] = z1; // a22 |
| 1223 | p[9+2] = 1.; // a23 |
| 1224 | p[0+1] = y1*dzdx2; // a01 |
| 1225 | p[0+2] = z1*dzdx2; // a02 |
| 1226 | p[9+0] = dzdx2; // a03 |
| 1227 | value = z2; |
| 1228 | fitter->AddPoint(p,value,sz); |
| 1229 | |
| 1230 | // dydx2 = (a10 + a11*dydx1 + a12*dzdx1)/( a00 + a01*dydx1 + a02*dzdx1) |
| 1231 | // (a10 + a11*dydx1 + a12*dzdx1) - (a00 + a01*dydx1 + a02*dzdx1)*dydx2 = 0 |
| 1232 | for (Int_t i=0; i<12;i++) p[i]=0.; |
| 1233 | p[3+0] = 1.; // a10 |
| 1234 | p[3+1] = dydx1; // a11 |
| 1235 | p[3+2] = dzdx1; // a12 |
| 1236 | p[0+0] = -dydx2; // a00 |
| 1237 | p[0+1] = -dydx1*dydx2; // a01 |
| 1238 | p[0+2] = -dzdx1*dydx2; // a02 |
| 1239 | value = 0.; |
| 1240 | fitter->AddPoint(p,value,sdydx); |
| 1241 | |
| 1242 | // dzdx2 = (a20 + a21*dydx1 + a22*dzdx1)/( a00 + a01*dydx1 + a02*dzdx1) |
| 1243 | // (a20 + a21*dydx1 + a22*dzdx1) - (a00 + a01*dydx1 + a02*dzdx1)*dzdx2 = 0 |
| 1244 | for (Int_t i=0; i<12;i++) p[i]=0.; |
| 1245 | p[6+0] = 1; // a20 |
| 1246 | p[6+1] = dydx1; // a21 |
| 1247 | p[6+2] = dzdx1; // a22 |
| 1248 | p[0+0] = -dzdx2; // a00 |
| 1249 | p[0+1] = -dydx1*dzdx2; // a01 |
| 1250 | p[0+2] = -dzdx1*dzdx2; // a02 |
| 1251 | value = 0.; |
| 1252 | fitter->AddPoint(p,value,sdzdx); |
| 1253 | } |
| 1254 | |
| 3326b323 |
1255 | void AliTPCcalibAlign::Process9(const Double_t * const t1, |
| 1256 | const Double_t * const t2, |
| 1257 | TLinearFitter *fitter) const |
| 1258 | { |
| 9318a5b4 |
1259 | // x2 = a00*x1 + a01*y1 + a02*z1 + a03 |
| 1260 | // y2 = a10*x1 + a11*y1 + a12*z1 + a13 |
| 1261 | // z2 = a20*x1 + a21*y1 + a22*z1 + a23 |
| 1262 | // dydx2 = (a10 + a11*dydx1 + a12*dzdx1)/(a00 + a01*dydx1 + a02*dzdx1) |
| 1263 | // dzdx2 = (a20 + a21*dydx1 + a22*dzdx1)/(a00 + a01*dydx1 + a02*dzdx1) |
| 1264 | // |
| f8a2dcfb |
1265 | // a00 a01 a02 a03 1 p[0] p[1] p[6] |
| 1266 | // a10 a11 a12 a13 ==> p[2] 1 p[3] p[7] |
| 1267 | // a20 a21 a21 a23 p[4] p[5] 1 p[8] |
| 1268 | |
| 1269 | |
| 3326b323 |
1270 | const Double_t &x1=t1[0], &y1=t1[1], &z1=t1[3], &dydx1=t1[2], &dzdx1=t1[4]; |
| 1271 | const Double_t /*&x2=t2[0],*/ &y2=t2[1], &z2=t2[3], &dydx2=t2[2], &dzdx2=t2[4]; |
| 1d82fc56 |
1272 | // |
| 774a5ee9 |
1273 | Double_t sy = TMath::Sqrt(t1[6]*t1[6]+t2[6]*t2[6]); |
| 1274 | Double_t sdydx = TMath::Sqrt(t1[7]*t1[7]+t2[7]*t2[7]); |
| 1275 | Double_t sz = TMath::Sqrt(t1[8]*t1[8]+t2[8]*t2[8]); |
| 1276 | Double_t sdzdx = TMath::Sqrt(t1[9]*t1[9]+t2[9]*t2[9]); |
| 1277 | |
| f8a2dcfb |
1278 | // |
| 9318a5b4 |
1279 | Double_t p[12]; |
| 1280 | Double_t value; |
| 1281 | |
| 1282 | // x2 = a00*x1 + a01*y1 + a02*z1 + a03 |
| 1283 | // y2 = a10*x1 + a11*y1 + a12*z1 + a13 |
| f8a2dcfb |
1284 | // y2' = a10*x1 + a11*y1 + a12*z1 + a13 + (a01*y1 + a02*z1 + a03)*dydx2 |
| 9318a5b4 |
1285 | for (Int_t i=0; i<12;i++) p[i]=0.; |
| f8a2dcfb |
1286 | p[2] += x1; // a10 |
| 1287 | //p[] +=1; // a11 |
| 1288 | p[3] += z1; // a12 |
| 1289 | p[7] += 1; // a13 |
| 1290 | p[0] += y1*dydx2; // a01 |
| 1291 | p[1] += z1*dydx2; // a02 |
| 1292 | p[6] += dydx2; // a03 |
| 1293 | value = y2-y1; //-a11 |
| 9318a5b4 |
1294 | fitter->AddPoint(p,value,sy); |
| f8a2dcfb |
1295 | // |
| 9318a5b4 |
1296 | // x2 = a00*x1 + a01*y1 + a02*z1 + a03 |
| 1297 | // z2 = a20*x1 + a21*y1 + a22*z1 + a23 |
| f8a2dcfb |
1298 | // z2' = a20*x1 + a21*y1 + a22*z1 + a23 + (a01*y1 + a02*z1 + a03)*dzdx2; |
| 9318a5b4 |
1299 | for (Int_t i=0; i<12;i++) p[i]=0.; |
| f8a2dcfb |
1300 | p[4] += x1; // a20 |
| 1301 | p[5] += y1; // a21 |
| 1302 | //p[] += z1; // a22 |
| 1303 | p[8] += 1.; // a23 |
| 1304 | p[0] += y1*dzdx2; // a01 |
| 1305 | p[1] += z1*dzdx2; // a02 |
| 1306 | p[6] += dzdx2; // a03 |
| 1307 | value = z2-z1; //-a22 |
| 9318a5b4 |
1308 | fitter->AddPoint(p,value,sz); |
| 1309 | |
| 1310 | // dydx2 = (a10 + a11*dydx1 + a12*dzdx1)/( a00 + a01*dydx1 + a02*dzdx1) |
| 1311 | // (a10 + a11*dydx1 + a12*dzdx1) - (a00 + a01*dydx1 + a02*dzdx1)*dydx2 = 0 |
| 1312 | for (Int_t i=0; i<12;i++) p[i]=0.; |
| f8a2dcfb |
1313 | p[2] += 1.; // a10 |
| 1314 | //p[] += dydx1; // a11 |
| 1315 | p[3] += dzdx1; // a12 |
| 1316 | //p[] += -dydx2; // a00 |
| 1317 | p[0] += -dydx1*dydx2; // a01 |
| 1318 | p[1] += -dzdx1*dydx2; // a02 |
| 1319 | value = -dydx1+dydx2; // -a11 + a00 |
| 9318a5b4 |
1320 | fitter->AddPoint(p,value,sdydx); |
| 1321 | |
| 1322 | // dzdx2 = (a20 + a21*dydx1 + a22*dzdx1)/( a00 + a01*dydx1 + a02*dzdx1) |
| 1323 | // (a20 + a21*dydx1 + a22*dzdx1) - (a00 + a01*dydx1 + a02*dzdx1)*dzdx2 = 0 |
| 1324 | for (Int_t i=0; i<12;i++) p[i]=0.; |
| f8a2dcfb |
1325 | p[4] += 1; // a20 |
| 1326 | p[5] += dydx1; // a21 |
| 1327 | //p[] += dzdx1; // a22 |
| 1328 | //p[] += -dzdx2; // a00 |
| 1329 | p[0] += -dydx1*dzdx2; // a01 |
| 1330 | p[1] += -dzdx1*dzdx2; // a02 |
| 1331 | value = -dzdx1+dzdx2; // -a22 + a00 |
| 9318a5b4 |
1332 | fitter->AddPoint(p,value,sdzdx); |
| 1333 | } |
| 1334 | |
| 3326b323 |
1335 | void AliTPCcalibAlign::Process6(const Double_t *const t1, |
| 1336 | const Double_t *const t2, |
| 1337 | TLinearFitter *fitter) const |
| 1338 | { |
| 9318a5b4 |
1339 | // x2 = 1 *x1 +-a01*y1 + 0 +a03 |
| 1340 | // y2 = a01*x1 + 1 *y1 + 0 +a13 |
| 1341 | // z2 = a20*x1 + a21*y1 + 1 *z1 +a23 |
| 1342 | // dydx2 = (a10 + a11*dydx1 + a12*dzdx1)/(a00 + a01*dydx1 + a02*dzdx1) |
| 1343 | // dzdx2 = (a20 + a21*dydx1 + a22*dzdx1)/(a00 + a01*dydx1 + a02*dzdx1) |
| 1344 | // |
| f8a2dcfb |
1345 | // a00 a01 a02 a03 1 -p[0] 0 p[3] |
| 1346 | // a10 a11 a12 a13 ==> p[0] 1 0 p[4] |
| 1347 | // a20 a21 a21 a23 p[1] p[2] 1 p[5] |
| 1348 | |
| 3326b323 |
1349 | const Double_t &x1=t1[0], &y1=t1[1], &z1=t1[3], &dydx1=t1[2], &dzdx1=t1[4]; |
| 1350 | const Double_t /*&x2=t2[0],*/ &y2=t2[1], &z2=t2[3], &dydx2=t2[2], &dzdx2=t2[4]; |
| 9318a5b4 |
1351 | |
| 1d82fc56 |
1352 | // |
| 774a5ee9 |
1353 | Double_t sy = TMath::Sqrt(t1[6]*t1[6]+t2[6]*t2[6]); |
| 1354 | Double_t sdydx = TMath::Sqrt(t1[7]*t1[7]+t2[7]*t2[7]); |
| 1355 | Double_t sz = TMath::Sqrt(t1[8]*t1[8]+t2[8]*t2[8]); |
| 1356 | Double_t sdzdx = TMath::Sqrt(t1[9]*t1[9]+t2[9]*t2[9]); |
| 9318a5b4 |
1357 | |
| 774a5ee9 |
1358 | |
| 9318a5b4 |
1359 | Double_t p[12]; |
| 1360 | Double_t value; |
| f8a2dcfb |
1361 | // x2 = a00*x1 + a01*y1 + a02*z1 + a03 |
| 1362 | // y2 = a10*x1 + a11*y1 + a12*z1 + a13 |
| 9318a5b4 |
1363 | // y2' = a10*x1 + a11*y1 + a12*z1 + a13 + (a01*y1 + a02*z1 + a03)*dydx2 |
| 1364 | for (Int_t i=0; i<12;i++) p[i]=0.; |
| f8a2dcfb |
1365 | p[0] += x1; // a10 |
| 1366 | //p[] +=1; // a11 |
| 1367 | //p[] += z1; // a12 |
| 1368 | p[4] += 1; // a13 |
| 1369 | p[0] += -y1*dydx2; // a01 |
| 1370 | //p[] += z1*dydx2; // a02 |
| 1371 | p[3] += dydx2; // a03 |
| 1372 | value = y2-y1; //-a11 |
| 9318a5b4 |
1373 | fitter->AddPoint(p,value,sy); |
| f8a2dcfb |
1374 | // |
| 1375 | // x2 = a00*x1 + a01*y1 + a02*z1 + a03 |
| 1376 | // z2 = a20*x1 + a21*y1 + a22*z1 + a23 |
| 1377 | // z2' = a20*x1 + a21*y1 + a22*z1 + a23 + (a01*y1 + a02*z1 + a03)*dzdx2; |
| 9318a5b4 |
1378 | for (Int_t i=0; i<12;i++) p[i]=0.; |
| f8a2dcfb |
1379 | p[1] += x1; // a20 |
| 1380 | p[2] += y1; // a21 |
| 1381 | //p[] += z1; // a22 |
| 1382 | p[5] += 1.; // a23 |
| 1383 | p[0] += -y1*dzdx2; // a01 |
| 1384 | //p[] += z1*dzdx2; // a02 |
| 1385 | p[3] += dzdx2; // a03 |
| 1386 | value = z2-z1; //-a22 |
| 9318a5b4 |
1387 | fitter->AddPoint(p,value,sz); |
| 1388 | |
| 1389 | // dydx2 = (a10 + a11*dydx1 + a12*dzdx1)/( a00 + a01*dydx1 + a02*dzdx1) |
| 1390 | // (a10 + a11*dydx1 + a12*dzdx1) - (a00 + a01*dydx1 + a02*dzdx1)*dydx2 = 0 |
| 1391 | for (Int_t i=0; i<12;i++) p[i]=0.; |
| f8a2dcfb |
1392 | p[0] += 1.; // a10 |
| 1d82fc56 |
1393 | //p[] += dydx1; // a11 |
| f8a2dcfb |
1394 | //p[] += dzdx1; // a12 |
| 1395 | //p[] += -dydx2; // a00 |
| 1d82fc56 |
1396 | //p[0] += dydx1*dydx2; // a01 FIXME- 0912 MI |
| f8a2dcfb |
1397 | //p[] += -dzdx1*dydx2; // a02 |
| 1398 | value = -dydx1+dydx2; // -a11 + a00 |
| 9318a5b4 |
1399 | fitter->AddPoint(p,value,sdydx); |
| 1400 | |
| 1401 | // dzdx2 = (a20 + a21*dydx1 + a22*dzdx1)/( a00 + a01*dydx1 + a02*dzdx1) |
| 1402 | // (a20 + a21*dydx1 + a22*dzdx1) - (a00 + a01*dydx1 + a02*dzdx1)*dzdx2 = 0 |
| 1403 | for (Int_t i=0; i<12;i++) p[i]=0.; |
| f8a2dcfb |
1404 | p[1] += 1; // a20 |
| 1d82fc56 |
1405 | // p[2] += dydx1; // a21 FIXME- 0912 MI |
| f8a2dcfb |
1406 | //p[] += dzdx1; // a22 |
| 1407 | //p[] += -dzdx2; // a00 |
| 1d82fc56 |
1408 | //p[0] += dydx1*dzdx2; // a01 FIXME- 0912 MI |
| f8a2dcfb |
1409 | //p[] += -dzdx1*dzdx2; // a02 |
| 1410 | value = -dzdx1+dzdx2; // -a22 + a00 |
| 9318a5b4 |
1411 | fitter->AddPoint(p,value,sdzdx); |
| 1412 | } |
| 1413 | |
| 7eaa723e |
1414 | |
| 1415 | |
| 1416 | |
| 774a5ee9 |
1417 | void AliTPCcalibAlign::EvalFitters(Int_t minPoints) { |
| 7eaa723e |
1418 | // |
| 1419 | // Analyze function |
| 1420 | // |
| 1421 | // Perform the fitting using linear fitters |
| 1422 | // |
| 9318a5b4 |
1423 | TLinearFitter *f; |
| 7eaa723e |
1424 | TFile fff("alignDebug.root","recreate"); |
| 9318a5b4 |
1425 | for (Int_t s1=0;s1<72;++s1) |
| 7eaa723e |
1426 | for (Int_t s2=0;s2<72;++s2){ |
| 774a5ee9 |
1427 | if ((f=GetFitter12(s1,s2))&&fPoints[GetIndex(s1,s2)]>minPoints) { |
| e81dc112 |
1428 | // cerr<<s1<<","<<s2<<": "<<fPoints[GetIndex(s1,s2)]<<endl; |
| 0ebabeb6 |
1429 | if (f->Eval()!=0) { |
| 9318a5b4 |
1430 | cerr<<"Evaluation failed for "<<s1<<","<<s2<<endl; |
| 7eaa723e |
1431 | f->Write(Form("f12_%d_%d",s1,s2)); |
| 1432 | }else{ |
| 1433 | f->Write(Form("f12_%d_%d",s1,s2)); |
| 9318a5b4 |
1434 | } |
| 1435 | } |
| 774a5ee9 |
1436 | if ((f=GetFitter9(s1,s2))&&fPoints[GetIndex(s1,s2)]>minPoints) { |
| e81dc112 |
1437 | // cerr<<s1<<","<<s2<<": "<<fPoints[GetIndex(s1,s2)]<<endl; |
| 0ebabeb6 |
1438 | if (f->Eval()!=0) { |
| 7eaa723e |
1439 | cerr<<"Evaluation failed for "<<s1<<","<<s2<<endl; |
| 1440 | }else{ |
| 1441 | f->Write(Form("f9_%d_%d",s1,s2)); |
| 1442 | } |
| 1443 | } |
| 774a5ee9 |
1444 | if ((f=GetFitter6(s1,s2))&&fPoints[GetIndex(s1,s2)]>minPoints) { |
| e81dc112 |
1445 | // cerr<<s1<<","<<s2<<": "<<fPoints[GetIndex(s1,s2)]<<endl; |
| 972cf6f2 |
1446 | if (f->Eval()!=0) { |
| 7eaa723e |
1447 | cerr<<"Evaluation failed for "<<s1<<","<<s2<<endl; |
| 1448 | }else{ |
| 1449 | f->Write(Form("f6_%d_%d",s1,s2)); |
| 1450 | } |
| 1451 | } |
| 1452 | } |
| 6f387311 |
1453 | TMatrixD mat(4,4); |
| 1454 | for (Int_t s1=0;s1<72;++s1) |
| 1455 | for (Int_t s2=0;s2<72;++s2){ |
| 1456 | if (GetTransformation12(s1,s2,mat)){ |
| 1457 | fMatrixArray12.AddAt(mat.Clone(), GetIndex(s1,s2)); |
| 1458 | } |
| 1459 | if (GetTransformation9(s1,s2,mat)){ |
| 1460 | fMatrixArray9.AddAt(mat.Clone(), GetIndex(s1,s2)); |
| 1461 | } |
| 1462 | if (GetTransformation6(s1,s2,mat)){ |
| 1463 | fMatrixArray6.AddAt(mat.Clone(), GetIndex(s1,s2)); |
| 1464 | } |
| 9318a5b4 |
1465 | } |
| 6f387311 |
1466 | //this->Write("align"); |
| 1467 | |
| 9318a5b4 |
1468 | } |
| 1469 | |
| 972cf6f2 |
1470 | TLinearFitter* AliTPCcalibAlign::GetOrMakeFitter12(Int_t s1,Int_t s2) { |
| 1471 | // |
| 1472 | // get or make fitter - general linear transformation |
| 1473 | // |
| e81dc112 |
1474 | static Int_t counter12=0; |
| 1475 | 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 |
1476 | TLinearFitter * fitter = GetFitter12(s1,s2); |
| 1477 | if (fitter) return fitter; |
| e81dc112 |
1478 | // 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]"); |
| 1479 | fitter =new TLinearFitter(&f12,""); |
| 6f387311 |
1480 | fitter->StoreData(kFALSE); |
| e81dc112 |
1481 | fFitterArray12.AddAt(fitter,GetIndex(s1,s2)); |
| 1482 | counter12++; |
| b322e06a |
1483 | // if (GetDebugLevel()>0) cerr<<"Creating fitter12 "<<s1<<","<<s2<<" : "<<counter12<<endl; |
| 972cf6f2 |
1484 | return fitter; |
| 1485 | } |
| 1486 | |
| 1487 | TLinearFitter* AliTPCcalibAlign::GetOrMakeFitter9(Int_t s1,Int_t s2) { |
| 1488 | // |
| 1489 | //get or make fitter - general linear transformation - no scaling |
| 1490 | // |
| e81dc112 |
1491 | static Int_t counter9=0; |
| 1492 | static TF1 f9("f9","x[0]++x[1]++x[2]++x[3]++x[4]++x[5]++x[6]++x[7]++x[8]"); |
| 972cf6f2 |
1493 | TLinearFitter * fitter = GetFitter9(s1,s2); |
| 1494 | if (fitter) return fitter; |
| e81dc112 |
1495 | // fitter =new TLinearFitter(9,"x[0]++x[1]++x[2]++x[3]++x[4]++x[5]++x[6]++x[7]++x[8]"); |
| 1496 | fitter =new TLinearFitter(&f9,""); |
| 6f387311 |
1497 | fitter->StoreData(kFALSE); |
| 972cf6f2 |
1498 | fFitterArray9.AddAt(fitter,GetIndex(s1,s2)); |
| e81dc112 |
1499 | counter9++; |
| b322e06a |
1500 | // if (GetDebugLevel()>0) cerr<<"Creating fitter12 "<<s1<<","<<s2<<" : "<<counter9<<endl; |
| 972cf6f2 |
1501 | return fitter; |
| 1502 | } |
| 1503 | |
| 1504 | TLinearFitter* AliTPCcalibAlign::GetOrMakeFitter6(Int_t s1,Int_t s2) { |
| 1505 | // |
| 1506 | // get or make fitter - 6 paramater linear tranformation |
| 1507 | // - no scaling |
| 1508 | // - rotation x-y |
| 1509 | // - tilting x-z, y-z |
| e81dc112 |
1510 | static Int_t counter6=0; |
| 1511 | static TF1 f6("f6","x[0]++x[1]++x[2]++x[3]++x[4]++x[5]"); |
| 972cf6f2 |
1512 | TLinearFitter * fitter = GetFitter6(s1,s2); |
| 1513 | if (fitter) return fitter; |
| e81dc112 |
1514 | // fitter=new TLinearFitter(6,"x[0]++x[1]++x[2]++x[3]++x[4]++x[5]"); |
| 1515 | fitter=new TLinearFitter(&f6,""); |
| 4de48bc7 |
1516 | fitter->StoreData(kFALSE); |
| 972cf6f2 |
1517 | fFitterArray6.AddAt(fitter,GetIndex(s1,s2)); |
| e81dc112 |
1518 | counter6++; |
| b322e06a |
1519 | // if (GetDebugLevel()>0) cerr<<"Creating fitter6 "<<s1<<","<<s2<<" : "<<counter6<<endl; |
| 972cf6f2 |
1520 | return fitter; |
| 1521 | } |
| 1522 | |
| 1523 | |
| 1524 | |
| 1525 | |
| 1526 | |
| 9318a5b4 |
1527 | Bool_t AliTPCcalibAlign::GetTransformation12(Int_t s1,Int_t s2,TMatrixD &a) { |
| 972cf6f2 |
1528 | // |
| 1529 | // GetTransformation matrix - 12 paramaters - generael linear transformation |
| 1530 | // |
| 9318a5b4 |
1531 | if (!GetFitter12(s1,s2)) |
| 1532 | return false; |
| 1533 | else { |
| 1534 | TVectorD p(12); |
| 9318a5b4 |
1535 | GetFitter12(s1,s2)->GetParameters(p); |
| 9318a5b4 |
1536 | a.ResizeTo(4,4); |
| 972cf6f2 |
1537 | a[0][0]=p[0]; a[0][1]=p[1]; a[0][2]=p[2]; a[0][3]=p[9]; |
| 1538 | a[1][0]=p[3]; a[1][1]=p[4]; a[1][2]=p[5]; a[1][3]=p[10]; |
| 1539 | a[2][0]=p[6]; a[2][1]=p[7]; a[2][2]=p[8]; a[2][3]=p[11]; |
| 1540 | a[3][0]=0.; a[3][1]=0.; a[3][2]=0.; a[3][3]=1.; |
| 9318a5b4 |
1541 | return true; |
| 1542 | } |
| 1543 | } |
| 1544 | |
| 1545 | Bool_t AliTPCcalibAlign::GetTransformation9(Int_t s1,Int_t s2,TMatrixD &a) { |
| 972cf6f2 |
1546 | // |
| 1547 | // GetTransformation matrix - 9 paramaters - general linear transformation |
| 1548 | // No scaling |
| 1549 | // |
| 9318a5b4 |
1550 | if (!GetFitter9(s1,s2)) |
| 1551 | return false; |
| 1552 | else { |
| 1553 | TVectorD p(9); |
| 1554 | GetFitter9(s1,s2)->GetParameters(p); |
| 1555 | a.ResizeTo(4,4); |
| f8a2dcfb |
1556 | a[0][0]=1; a[0][1]=p[0]; a[0][2]=p[1]; a[0][3]=p[6]; |
| 1557 | a[1][0]=p[2]; a[1][1]=1; a[1][2]=p[3]; a[1][3]=p[7]; |
| 1558 | a[2][0]=p[4]; a[2][1]=p[5]; a[2][2]=1; a[2][3]=p[8]; |
| 972cf6f2 |
1559 | a[3][0]=0.; a[3][1]=0.; a[3][2]=0.; a[3][3]=1.; |
| 9318a5b4 |
1560 | return true; |
| 1561 | } |
| 1562 | } |
| 1563 | |
| 1564 | Bool_t AliTPCcalibAlign::GetTransformation6(Int_t s1,Int_t s2,TMatrixD &a) { |
| 972cf6f2 |
1565 | // |
| 1566 | // GetTransformation matrix - 6 paramaters |
| 1567 | // 3 translation |
| 1568 | // 1 rotation -x-y |
| 1569 | // 2 tilting x-z y-z |
| 9318a5b4 |
1570 | if (!GetFitter6(s1,s2)) |
| 1571 | return false; |
| 1572 | else { |
| 1573 | TVectorD p(6); |
| 9318a5b4 |
1574 | GetFitter6(s1,s2)->GetParameters(p); |
| 9318a5b4 |
1575 | a.ResizeTo(4,4); |
| f8a2dcfb |
1576 | a[0][0]=1; a[0][1]=-p[0];a[0][2]=0; a[0][3]=p[3]; |
| 1577 | a[1][0]=p[0]; a[1][1]=1; a[1][2]=0; a[1][3]=p[4]; |
| 1578 | a[2][0]=p[1]; a[2][1]=p[2]; a[2][2]=1; a[2][3]=p[5]; |
| 972cf6f2 |
1579 | a[3][0]=0.; a[3][1]=0.; a[3][2]=0.; a[3][3]=1.; |
| 9318a5b4 |
1580 | return true; |
| 1581 | } |
| 1582 | } |
| 972cf6f2 |
1583 | |
| b842d904 |
1584 | void AliTPCcalibAlign::MakeResidualHistos(){ |
| 1585 | // |
| 1586 | // Make cluster residual histograms |
| 1587 | // |
| 1588 | Double_t xminTrack[9], xmaxTrack[9]; |
| 1589 | Int_t binsTrack[9]; |
| 1590 | TString axisName[9],axisTitle[9]; |
| 1591 | // |
| 1592 | // 0 - delta of interest |
| 1593 | // 1 - global phi in sector number as float |
| 1594 | // 2 - local x |
| 1595 | // 3 - local ky |
| 1596 | // 4 - local kz |
| 1597 | // |
| 1598 | axisName[0]="delta"; axisTitle[0]="#Delta (cm)"; |
| 76c58ee2 |
1599 | if (TMath::Abs(AliTracker::GetBz())<0.01){ |
| 1600 | binsTrack[0]=60; xminTrack[0]=-1.2; xmaxTrack[0]=1.2; |
| 1601 | }else{ |
| 1602 | binsTrack[0]=60; xminTrack[0]=-0.6; xmaxTrack[0]=0.6; |
| 1603 | } |
| b842d904 |
1604 | // |
| 1605 | axisName[1]="sector"; axisTitle[1]="Sector Number"; |
| 0b736a46 |
1606 | binsTrack[1]=180; xminTrack[1]=0; xmaxTrack[1]=18; |
| b842d904 |
1607 | // |
| 287fbdfa |
1608 | axisName[2]="R"; axisTitle[2]="r (cm)"; |
| b842d904 |
1609 | binsTrack[2]=53; xminTrack[2]=85.; xmaxTrack[2]=245.; |
| 1610 | // |
| b842d904 |
1611 | // |
| 5b7417d2 |
1612 | axisName[3]="kZ"; axisTitle[3]="dz/dx"; |
| 1613 | binsTrack[3]=36; xminTrack[3]=-1.8; xmaxTrack[3]=1.8; |
| b842d904 |
1614 | // |
| 034e5c8c |
1615 | fClusterDelta[0] = new THnF("#Delta_{Y} (cm)","#Delta_{Y} (cm)", 4, binsTrack,xminTrack, xmaxTrack); |
| 1616 | fClusterDelta[1] = new THnF("#Delta_{Z} (cm)","#Delta_{Z} (cm)", 4, binsTrack,xminTrack, xmaxTrack); |
| b842d904 |
1617 | // |
| 1618 | // |
| 1619 | // |
| 5b7417d2 |
1620 | for (Int_t ivar=0;ivar<2;ivar++){ |
| 1621 | for (Int_t ivar2=0;ivar2<4;ivar2++){ |
| b842d904 |
1622 | fClusterDelta[ivar]->GetAxis(ivar2)->SetName(axisName[ivar2].Data()); |
| 1623 | fClusterDelta[ivar]->GetAxis(ivar2)->SetTitle(axisName[ivar2].Data()); |
| 1624 | } |
| 1625 | } |
| 1626 | |
| 1627 | } |
| 1628 | |
| 60721370 |
1629 | |
| 1630 | void AliTPCcalibAlign::MakeResidualHistosTracklet(){ |
| 1631 | // |
| 1632 | // Make tracklet residual histograms |
| 1633 | // |
| 1634 | Double_t xminTrack[9], xmaxTrack[9]; |
| 1635 | Int_t binsTrack[9]; |
| 1636 | TString axisName[9],axisTitle[9]; |
| 1637 | // |
| 1638 | // 0 - delta of interest |
| 1639 | // 1 - global phi in sector number as float |
| 1640 | // 2 - local x |
| 1641 | // 3 - local ky |
| 1642 | // 4 - local kz |
| 1643 | // 5 - sector 1 |
| 76c58ee2 |
1644 | // 6 - sector 0 |
| 1645 | // 7 - z position 0 |
| 60721370 |
1646 | |
| 1647 | axisName[0]="delta"; axisTitle[0]="#Delta (cm)"; |
| 034e5c8c |
1648 | binsTrack[0]=60; xminTrack[0]=-0.5; xmaxTrack[0]=0.5; |
| 60721370 |
1649 | // |
| 1650 | axisName[1]="phi"; axisTitle[1]="#phi"; |
| 034e5c8c |
1651 | binsTrack[1]=90; xminTrack[1]=-TMath::Pi(); xmaxTrack[1]=TMath::Pi(); |
| 60721370 |
1652 | // |
| 1653 | axisName[2]="localX"; axisTitle[2]="x (cm)"; |
| 1654 | binsTrack[2]=10; xminTrack[2]=120.; xmaxTrack[2]=200.; |
| 1655 | // |
| 1656 | axisName[3]="kY"; axisTitle[3]="dy/dx"; |
| 1657 | binsTrack[3]=10; xminTrack[3]=-0.5; xmaxTrack[3]=0.5; |
| 1658 | // |
| 1659 | axisName[4]="kZ"; axisTitle[4]="dz/dx"; |
| 034e5c8c |
1660 | binsTrack[4]=11; xminTrack[4]=-1.1; xmaxTrack[4]=1.1; |
| 60721370 |
1661 | // |
| 1662 | axisName[5]="is1"; axisTitle[5]="is1"; |
| 1663 | binsTrack[5]=72; xminTrack[5]=0; xmaxTrack[5]=72; |
| 1664 | // |
| 1665 | axisName[6]="is0"; axisTitle[6]="is0"; |
| 1666 | binsTrack[6]=72; xminTrack[6]=0; xmaxTrack[6]=72; |
| 76c58ee2 |
1667 | // |
| 1668 | axisName[7]="z"; axisTitle[7]="z(cm)"; |
| 1669 | binsTrack[7]=12; xminTrack[7]=-240; xmaxTrack[7]=240; |
| 1670 | // |
| 1671 | axisName[8]="IsPrimary"; axisTitle[8]="Is Primary"; |
| 1672 | binsTrack[8]=2; xminTrack[8]=-0.1; xmaxTrack[8]=1.1; |
| 60721370 |
1673 | |
| 1674 | // |
| 76c58ee2 |
1675 | xminTrack[0]=-0.25; xmaxTrack[0]=0.25; |
| 1676 | fTrackletDelta[0] = new THnSparseF("#Delta_{Y} (cm)","#Delta_{Y} (cm)", 9, binsTrack,xminTrack, xmaxTrack); |
| 60721370 |
1677 | xminTrack[0]=-0.5; xmaxTrack[0]=0.5; |
| 76c58ee2 |
1678 | fTrackletDelta[1] = new THnSparseF("#Delta_{Z} (cm)","#Delta_{Z} (cm)", 9, binsTrack,xminTrack, xmaxTrack); |
| 60721370 |
1679 | xminTrack[0]=-0.005; xmaxTrack[0]=0.005; |
| 76c58ee2 |
1680 | fTrackletDelta[2] = new THnSparseF("#Delta_{kY}","#Delta_{kY}", 9, binsTrack,xminTrack, xmaxTrack); |
| 1681 | xminTrack[0]=-0.008; xmaxTrack[0]=0.008; |
| 1682 | fTrackletDelta[3] = new THnSparseF("#Delta_{kZ}","#Delta_{kZ}", 9, binsTrack,xminTrack, xmaxTrack); |
| 60721370 |
1683 | // |
| 1684 | // |
| 1685 | // |
| 1686 | for (Int_t ivar=0;ivar<4;ivar++){ |
| 76c58ee2 |
1687 | for (Int_t ivar2=0;ivar2<9;ivar2++){ |
| 60721370 |
1688 | fTrackletDelta[ivar]->GetAxis(ivar2)->SetName(axisName[ivar2].Data()); |
| 1689 | fTrackletDelta[ivar]->GetAxis(ivar2)->SetTitle(axisName[ivar2].Data()); |
| 1690 | } |
| 1691 | } |
| 1692 | |
| 1693 | } |
| 1694 | |
| 1695 | |
| 1696 | |
| 774a5ee9 |
1697 | void AliTPCcalibAlign::FillHisto(const Double_t *t1, |
| 1698 | const Double_t *t2, |
| 1699 | Int_t s1,Int_t s2) { |
| 972cf6f2 |
1700 | // |
| 1701 | // Fill residual histograms |
| 4de48bc7 |
1702 | // Track2-Track1 |
| 8b3c60d8 |
1703 | // Innner-Outer |
| 1704 | // Left right - x-y |
| 1705 | // A-C side |
| 774a5ee9 |
1706 | if (1) { |
| 1707 | Double_t dy = t2[1]-t1[1]; |
| 1708 | Double_t dphi = t2[2]-t1[2]; |
| 1709 | Double_t dz = t2[3]-t1[3]; |
| 1710 | Double_t dtheta = t2[4]-t1[4]; |
| 1711 | Double_t zmean = (t2[3]+t1[3])*0.5; |
| bb6bc8f6 |
1712 | // |
| 774a5ee9 |
1713 | GetHisto(kPhi,s1,s2,kTRUE)->Fill(dphi); |
| 1714 | GetHisto(kTheta,s1,s2,kTRUE)->Fill(dtheta); |
| 1715 | GetHisto(kY,s1,s2,kTRUE)->Fill(dy); |
| 1716 | GetHisto(kZ,s1,s2,kTRUE)->Fill(dz); |
| bb6bc8f6 |
1717 | // |
| 774a5ee9 |
1718 | GetHisto(kPhiZ,s1,s2,kTRUE)->Fill(zmean,dphi); |
| 1719 | GetHisto(kThetaZ,s1,s2,kTRUE)->Fill(zmean,dtheta); |
| 1720 | GetHisto(kYz,s1,s2,kTRUE)->Fill(zmean,dy); |
| 1721 | GetHisto(kZz,s1,s2,kTRUE)->Fill(zmean,dz); |
| 1722 | // |
| 1723 | GetHisto(kYPhi,s1,s2,kTRUE)->Fill(t2[2],dy); |
| 1724 | GetHisto(kZTheta,s1,s2,kTRUE)->Fill(t2[4],dz); |
| 1725 | } |
| 972cf6f2 |
1726 | } |
| 1727 | |
| 1728 | |
| 5b7417d2 |
1729 | void AliTPCcalibAlign::FillHisto(AliExternalTrackParam *tp1, |
| 1730 | AliExternalTrackParam *tp2, |
| 60721370 |
1731 | Int_t s1,Int_t s2) { |
| 1732 | // |
| 1733 | // Fill residual histograms |
| 1734 | // Track2-Track1 |
| 76c58ee2 |
1735 | if (s2<s1) return;// |
| 5b7417d2 |
1736 | const Double_t kEpsilon=0.001; |
| ad746939 |
1737 | Double_t x[9]={0,0,0,0,0,0,0,0,0}; |
| 60721370 |
1738 | AliExternalTrackParam p1(*tp1); |
| 1739 | AliExternalTrackParam p2(*tp2); |
| 1740 | if (s1%18==s2%18) { |
| 1741 | // inner outer - match at the IROC-OROC boundary |
| 5b7417d2 |
1742 | if (!p1.PropagateTo(fXIO, AliTrackerBase::GetBz())) return; |
| 60721370 |
1743 | } |
| 5b7417d2 |
1744 | if (!p2.Rotate(p1.GetAlpha())) return; |
| 1745 | if (!p2.PropagateTo(p1.GetX(),AliTrackerBase::GetBz())) return; |
| 1746 | if (TMath::Abs(p1.GetX()-p2.GetX())>kEpsilon) return; |
| 60721370 |
1747 | Double_t xyz[3]; |
| 1748 | p1.GetXYZ(xyz); |
| 1749 | x[1]=TMath::ATan2(xyz[1],xyz[0]); |
| 1750 | x[2]=p1.GetX(); |
| 1751 | x[3]=0.5*(p1.GetSnp()+p2.GetSnp()); // mean snp |
| 1752 | x[4]=0.5*(p1.GetTgl()+p2.GetTgl()); // mean tgl |
| 1753 | x[5]=s2; |
| 1754 | x[6]=s1; |
| 76c58ee2 |
1755 | x[7]=0.5*(p1.GetZ()+p2.GetZ()); |
| 1756 | // is primary ? |
| 1757 | Int_t isPrimary = (TMath::Abs(p1.GetTgl()-p1.GetZ()/p1.GetX())<0.1) ? 1:0; |
| 1758 | x[8]= isPrimary; |
| 1759 | // |
| 60721370 |
1760 | x[0]=p2.GetY()-p1.GetY(); |
| 1761 | fTrackletDelta[0]->Fill(x); |
| 1762 | x[0]=p2.GetZ()-p1.GetZ(); |
| 1763 | fTrackletDelta[1]->Fill(x); |
| 1764 | x[0]=p2.GetSnp()-p1.GetSnp(); |
| 1765 | fTrackletDelta[2]->Fill(x); |
| 1766 | x[0]=p2.GetTgl()-p1.GetTgl(); |
| 1767 | fTrackletDelta[3]->Fill(x); |
| 5b7417d2 |
1768 | TTreeSRedirector *cstream = GetDebugStreamer(); |
| 1769 | if (cstream){ |
| 1770 | (*cstream)<<"trackletMatch"<< |
| 1771 | "tp1.="<<tp1<< // input tracklet |
| 1772 | "tp2.="<<tp2<< |
| 1773 | "p1.="<<&p1<< // tracklet in the ref frame |
| 1774 | "p2.="<<&p2<< |
| 1775 | "s1="<<s1<< |
| 1776 | "s2="<<s2<< |
| 1777 | "\n"; |
| 1778 | } |
| 1779 | |
| 60721370 |
1780 | } |
| 1781 | |
| 1782 | |
| 972cf6f2 |
1783 | |
| 1784 | TH1 * AliTPCcalibAlign::GetHisto(HistoType type, Int_t s1, Int_t s2, Bool_t force) |
| 1785 | { |
| 1786 | // |
| 1787 | // return specified residual histogram - it is only QA |
| 1788 | // if force specified the histogram and given histogram is not existing |
| 1789 | // new histogram is created |
| 1790 | // |
| 1791 | if (GetIndex(s1,s2)>=72*72) return 0; |
| 1792 | TObjArray *histoArray=0; |
| 1793 | switch (type) { |
| 1794 | case kY: |
| 1795 | histoArray = &fDyHistArray; break; |
| 1796 | case kZ: |
| 1797 | histoArray = &fDzHistArray; break; |
| 1798 | case kPhi: |
| 1799 | histoArray = &fDphiHistArray; break; |
| 1800 | case kTheta: |
| 1801 | histoArray = &fDthetaHistArray; break; |
| bb6bc8f6 |
1802 | case kYPhi: |
| 1803 | histoArray = &fDyPhiHistArray; break; |
| 1804 | case kZTheta: |
| 1805 | histoArray = &fDzThetaHistArray; break; |
| 1806 | case kYz: |
| 1807 | histoArray = &fDyZHistArray; break; |
| 1808 | case kZz: |
| 1809 | histoArray = &fDzZHistArray; break; |
| 1810 | case kPhiZ: |
| 1811 | histoArray = &fDphiZHistArray; break; |
| 1812 | case kThetaZ: |
| 1813 | histoArray = &fDthetaZHistArray; break; |
| 972cf6f2 |
1814 | } |
| 1815 | TH1 * histo= (TH1*)histoArray->At(GetIndex(s1,s2)); |
| 1816 | if (histo) return histo; |
| 1817 | if (force==kFALSE) return 0; |
| 1818 | // |
| 1819 | stringstream name; |
| 1820 | stringstream title; |
| 1821 | switch (type) { |
| 1822 | case kY: |
| 1823 | name<<"hist_y_"<<s1<<"_"<<s2; |
| 1824 | title<<"Y Missalignment for sectors "<<s1<<" and "<<s2; |
| 774a5ee9 |
1825 | histo =new TH1D(name.str().c_str(),title.str().c_str(),100,-0.5,0.5); // +/- 5 mm |
| 972cf6f2 |
1826 | break; |
| 1827 | case kZ: |
| 1828 | name<<"hist_z_"<<s1<<"_"<<s2; |
| 1829 | title<<"Z Missalignment for sectors "<<s1<<" and "<<s2; |
| 774a5ee9 |
1830 | histo = new TH1D(name.str().c_str(),title.str().c_str(),100,-0.3,0.3); // +/- 3 mm |
| 972cf6f2 |
1831 | break; |
| 1832 | case kPhi: |
| 1833 | name<<"hist_phi_"<<s1<<"_"<<s2; |
| 1834 | title<<"Phi Missalignment for sectors "<<s1<<" and "<<s2; |
| 774a5ee9 |
1835 | histo =new TH1D(name.str().c_str(),title.str().c_str(),100,-0.01,0.01); // +/- 10 mrad |
| 972cf6f2 |
1836 | break; |
| 1837 | case kTheta: |
| 1838 | name<<"hist_theta_"<<s1<<"_"<<s2; |
| 1839 | title<<"Theta Missalignment for sectors "<<s1<<" and "<<s2; |
| 774a5ee9 |
1840 | histo =new TH1D(name.str().c_str(),title.str().c_str(),100,-0.01,0.01); // +/- 10 mrad |
| 972cf6f2 |
1841 | break; |
| bb6bc8f6 |
1842 | // |
| 1843 | // |
| 1844 | case kYPhi: |
| 1845 | name<<"hist_yphi_"<<s1<<"_"<<s2; |
| 1846 | title<<"Y Missalignment for sectors Phi"<<s1<<" and "<<s2; |
| 774a5ee9 |
1847 | histo =new TH2F(name.str().c_str(),title.str().c_str(),20,-1,1,100,-0.5,0.5); // +/- 5 mm |
| bb6bc8f6 |
1848 | break; |
| 1849 | case kZTheta: |
| 1850 | name<<"hist_ztheta_"<<s1<<"_"<<s2; |
| 1851 | title<<"Z Missalignment for sectors Theta"<<s1<<" and "<<s2; |
| 774a5ee9 |
1852 | histo = new TH2F(name.str().c_str(),title.str().c_str(),20,-1,1,100,-0.3,0.3); // +/- 3 mm |
| bb6bc8f6 |
1853 | break; |
| 1854 | // |
| 1855 | // |
| 1856 | // |
| 1857 | case kYz: |
| 1858 | name<<"hist_yz_"<<s1<<"_"<<s2; |
| 1859 | title<<"Y Missalignment for sectors Z"<<s1<<" and "<<s2; |
| 774a5ee9 |
1860 | histo =new TH2F(name.str().c_str(),title.str().c_str(),20,-250,250,100,-0.5,0.5); // +/- 5 mm |
| bb6bc8f6 |
1861 | break; |
| 1862 | case kZz: |
| 1863 | name<<"hist_zz_"<<s1<<"_"<<s2; |
| 1864 | title<<"Z Missalignment for sectors Z"<<s1<<" and "<<s2; |
| 774a5ee9 |
1865 | histo = new TH2F(name.str().c_str(),title.str().c_str(),20,-250,250,100,-0.3,0.3); // +/- 3 mm |
| bb6bc8f6 |
1866 | break; |
| 1867 | case kPhiZ: |
| 1868 | name<<"hist_phiz_"<<s1<<"_"<<s2; |
| 1869 | title<<"Phi Missalignment for sectors Z"<<s1<<" and "<<s2; |
| 774a5ee9 |
1870 | histo =new TH2F(name.str().c_str(),title.str().c_str(),20,-250,250,100,-0.01,0.01); // +/- 10 mrad |
| bb6bc8f6 |
1871 | break; |
| 1872 | case kThetaZ: |
| 1873 | name<<"hist_thetaz_"<<s1<<"_"<<s2; |
| 1874 | title<<"Theta Missalignment for sectors Z"<<s1<<" and "<<s2; |
| 774a5ee9 |
1875 | histo =new TH2F(name.str().c_str(),title.str().c_str(),20,-250,250,100,-0.01,0.01); // +/- 10 mrad |
| bb6bc8f6 |
1876 | break; |
| 1877 | |
| 1878 | |
| 972cf6f2 |
1879 | } |
| 1880 | histo->SetDirectory(0); |
| 1881 | histoArray->AddAt(histo,GetIndex(s1,s2)); |
| 1882 | return histo; |
| 1883 | } |
| 8b3c60d8 |
1884 | |
| 1885 | TGraphErrors * AliTPCcalibAlign::MakeGraph(Int_t sec0, Int_t sec1, Int_t dsec, |
| 1886 | Int_t i0, Int_t i1, FitType type) |
| 1887 | { |
| 1888 | // |
| 1889 | // |
| 1890 | // |
| 1891 | TMatrixD mat; |
| 6a77c9f1 |
1892 | //TObjArray *fitArray=0; |
| 8b3c60d8 |
1893 | Double_t xsec[1000]; |
| 1894 | Double_t ysec[1000]; |
| 1895 | Int_t npoints=0; |
| 1896 | for (Int_t isec = sec0; isec<=sec1; isec++){ |
| 1897 | Int_t isec2 = (isec+dsec)%72; |
| 1898 | switch (type) { |
| 1899 | case k6: |
| 1900 | GetTransformation6(isec,isec2,mat);break; |
| 1901 | case k9: |
| 1902 | GetTransformation9(isec,isec2,mat);break; |
| 1903 | case k12: |
| 1904 | GetTransformation12(isec,isec2,mat);break; |
| 1905 | } |
| 1906 | xsec[npoints]=isec; |
| 1907 | ysec[npoints]=mat(i0,i1); |
| 1908 | ++npoints; |
| 1909 | } |
| 1910 | TGraphErrors *gr = new TGraphErrors(npoints,xsec,ysec,0,0); |
| 1911 | Char_t name[1000]; |
| ad746939 |
1912 | snprintf(name,100,"Mat[%d,%d] Type=%d",i0,i1,type); |
| 8b3c60d8 |
1913 | gr->SetName(name); |
| 1914 | return gr; |
| 1915 | } |
| 1916 | |
| 774a5ee9 |
1917 | void AliTPCcalibAlign::MakeTree(const char *fname, Int_t minPoints){ |
| 8b3c60d8 |
1918 | // |
| 1919 | // make tree with alignment cosntant - |
| 1920 | // For QA visualization |
| 1921 | // |
| ae0ac7be |
1922 | /* |
| 774a5ee9 |
1923 | TFile fcalib("CalibObjects.root"); |
| 1924 | TObjArray * array = (TObjArray*)fcalib.Get("TPCCalib"); |
| 1925 | AliTPCcalibAlign * align = ( AliTPCcalibAlign *)array->FindObject("alignTPC"); |
| 1926 | align->EvalFitters(); |
| 1927 | align->MakeTree("alignTree.root"); |
| 1928 | TFile falignTree("alignTree.root"); |
| 1929 | TTree * treeAlign = (TTree*)falignTree.Get("Align"); |
| ae0ac7be |
1930 | */ |
| 8b3c60d8 |
1931 | TTreeSRedirector cstream(fname); |
| 1932 | for (Int_t s1=0;s1<72;++s1) |
| 1933 | for (Int_t s2=0;s2<72;++s2){ |
| 8b3c60d8 |
1934 | TMatrixD m6; |
| 1d82fc56 |
1935 | TMatrixD m6FX; |
| 8b3c60d8 |
1936 | TMatrixD m9; |
| 1937 | TMatrixD m12; |
| 774a5ee9 |
1938 | TVectorD param6Diff; // align parameters diff |
| 1939 | TVectorD param6s1(6); // align parameters sector1 |
| 1940 | TVectorD param6s2(6); // align parameters sector2 |
| 1941 | |
| 1942 | // |
| 1943 | // |
| 5647625c |
1944 | if (fSectorParamA){ |
| 1945 | TMatrixD * kpar = fSectorParamA; |
| 1946 | TMatrixD * kcov = fSectorCovarA; |
| 1947 | if (s1%36>=18){ |
| 1948 | kpar = fSectorParamC; |
| 1949 | kcov = fSectorCovarC; |
| 1950 | } |
| 1951 | for (Int_t ipar=0;ipar<6;ipar++){ |
| 1952 | Int_t isec1 = s1%18; |
| 1953 | Int_t isec2 = s2%18; |
| 1954 | if (s1>35) isec1+=18; |
| 1955 | if (s2>35) isec2+=18; |
| 1956 | param6s1(ipar)=(*kpar)(6*isec1+ipar,0); |
| 1957 | param6s2(ipar)=(*kpar)(6*isec2+ipar,0); |
| 1958 | } |
| 774a5ee9 |
1959 | } |
| 5647625c |
1960 | |
| 8b3c60d8 |
1961 | Double_t dy=0, dz=0, dphi=0,dtheta=0; |
| 1962 | Double_t sy=0, sz=0, sphi=0,stheta=0; |
| 1963 | Double_t ny=0, nz=0, nphi=0,ntheta=0; |
| 6f387311 |
1964 | Double_t chi2v12=0, chi2v9=0, chi2v6=0; |
| 0b736a46 |
1965 | // Int_t npoints=0; |
| 1966 | // TLinearFitter * fitter = 0; |
| 774a5ee9 |
1967 | if (fPoints[GetIndex(s1,s2)]>minPoints){ |
| 6f387311 |
1968 | // |
| 1969 | // |
| 1970 | // |
| 0b736a46 |
1971 | // fitter = GetFitter12(s1,s2); |
| 1972 | // npoints = fitter->GetNpoints(); |
| 1973 | // chi2v12 = TMath::Sqrt(fitter->GetChisquare()/npoints); |
| 774a5ee9 |
1974 | |
| 0b736a46 |
1975 | // // |
| 1976 | // fitter = GetFitter9(s1,s2); |
| 1977 | // npoints = fitter->GetNpoints(); |
| 1978 | // chi2v9 = TMath::Sqrt(fitter->GetChisquare()/npoints); |
| 1979 | // // |
| 1980 | // fitter = GetFitter6(s1,s2); |
| 1981 | // npoints = fitter->GetNpoints(); |
| 1982 | // chi2v6 = TMath::Sqrt(fitter->GetChisquare()/npoints); |
| 1983 | // fitter->GetParameters(param6Diff); |
| 1984 | // // |
| 1985 | // GetTransformation6(s1,s2,m6); |
| 1986 | // GetTransformation9(s1,s2,m9); |
| 1987 | // GetTransformation12(s1,s2,m12); |
| 1988 | // // |
| 1989 | // fitter = GetFitter6(s1,s2); |
| 1990 | // //fitter->FixParameter(3,0); |
| 1991 | // //fitter->Eval(); |
| 1992 | // GetTransformation6(s1,s2,m6FX); |
| 1d82fc56 |
1993 | // |
| 6f387311 |
1994 | TH1 * his=0; |
| 1995 | his = GetHisto(kY,s1,s2); |
| 1996 | if (his) { dy = his->GetMean(); sy = his->GetRMS(); ny = his->GetEntries();} |
| 1997 | his = GetHisto(kZ,s1,s2); |
| 1998 | if (his) { dz = his->GetMean(); sz = his->GetRMS(); nz = his->GetEntries();} |
| 1999 | his = GetHisto(kPhi,s1,s2); |
| 2000 | if (his) { dphi = his->GetMean(); sphi = his->GetRMS(); nphi = his->GetEntries();} |
| 2001 | his = GetHisto(kTheta,s1,s2); |
| 2002 | if (his) { dtheta = his->GetMean(); stheta = his->GetRMS(); ntheta = his->GetEntries();} |
| 2003 | // |
| 1d82fc56 |
2004 | |
| 6f387311 |
2005 | } |
| 0b736a46 |
2006 | AliMagF* magF= (AliMagF*)TGeoGlobalMagField::Instance()->GetField(); |
| 2007 | if (!magF) AliError("Magneticd field - not initialized"); |
| 2008 | Double_t bz = magF->SolenoidField()/10.; //field in T |
| 6f387311 |
2009 | |
| 8b3c60d8 |
2010 | cstream<<"Align"<< |
| 0b736a46 |
2011 | "run="<<fRun<< // run |
| 2012 | "bz="<<bz<< |
| 8b3c60d8 |
2013 | "s1="<<s1<< // reference sector |
| 2014 | "s2="<<s2<< // sector to align |
| 1d82fc56 |
2015 | "m6FX.="<<&m6FX<< // tranformation matrix |
| 8b3c60d8 |
2016 | "m6.="<<&m6<< // tranformation matrix |
| 2017 | "m9.="<<&m9<< // |
| 2018 | "m12.="<<&m12<< |
| 6f387311 |
2019 | "chi2v12="<<chi2v12<< |
| 2020 | "chi2v9="<<chi2v9<< |
| 2021 | "chi2v6="<<chi2v6<< |
| 774a5ee9 |
2022 | // |
| 2023 | "p6.="<<¶m6Diff<< |
| 2024 | "p6s1.="<<¶m6s1<< |
| 2025 | "p6s2.="<<¶m6s2<< |
| 967eae0d |
2026 | // histograms mean RMS and entries |
| 2027 | "dy="<<dy<< |
| 8b3c60d8 |
2028 | "sy="<<sy<< |
| 2029 | "ny="<<ny<< |
| 2030 | "dz="<<dz<< |
| 2031 | "sz="<<sz<< |
| 2032 | "nz="<<nz<< |
| 2033 | "dphi="<<dphi<< |
| 2034 | "sphi="<<sphi<< |
| 2035 | "nphi="<<nphi<< |
| 2036 | "dtheta="<<dtheta<< |
| 2037 | "stheta="<<stheta<< |
| 2038 | "ntheta="<<ntheta<< |
| 2039 | "\n"; |
| 2040 | } |
| 2041 | |
| 2042 | } |
| ae0ac7be |
2043 | |
| 2044 | |
| 2045 | //_____________________________________________________________________ |
| 3326b323 |
2046 | Long64_t AliTPCcalibAlign::Merge(TCollection* const list) { |
| ae0ac7be |
2047 | // |
| 2048 | // merge function |
| 2049 | // |
| 2050 | if (GetDebugLevel()>0) Info("AliTPCcalibAlign","Merge"); |
| 2051 | if (!list) |
| 2052 | return 0; |
| 2053 | if (list->IsEmpty()) |
| 2054 | return 1; |
| 2055 | |
| 2056 | TIterator* iter = list->MakeIterator(); |
| 2057 | TObject* obj = 0; |
| 2058 | iter->Reset(); |
| 2059 | Int_t count=0; |
| 6f387311 |
2060 | // |
| 2061 | TString str1(GetName()); |
| ae0ac7be |
2062 | while((obj = iter->Next()) != 0) |
| 2063 | { |
| 2064 | AliTPCcalibAlign* entry = dynamic_cast<AliTPCcalibAlign*>(obj); |
| 2065 | if (entry == 0) continue; |
| 6f387311 |
2066 | if (str1.CompareTo(entry->GetName())!=0) continue; |
| ae0ac7be |
2067 | Add(entry); |
| 2068 | count++; |
| 2069 | } |
| 2070 | return count; |
| 2071 | } |
| 2072 | |
| 2073 | |
| 2074 | void AliTPCcalibAlign::Add(AliTPCcalibAlign * align){ |
| 2075 | // |
| bb6bc8f6 |
2076 | // Add entry - used for merging of compoents |
| ae0ac7be |
2077 | // |
| ae0ac7be |
2078 | for (Int_t i=0; i<72;i++){ |
| 2079 | for (Int_t j=0; j<72;j++){ |
| 774a5ee9 |
2080 | if (align->fPoints[GetIndex(i,j)]<1) continue; |
| ae0ac7be |
2081 | fPoints[GetIndex(i,j)]+=align->fPoints[GetIndex(i,j)]; |
| ae0ac7be |
2082 | // |
| ae0ac7be |
2083 | // |
| ae0ac7be |
2084 | // |
| bb6bc8f6 |
2085 | for (Int_t itype=0; itype<10; itype++){ |
| 2086 | TH1 * his0=0, *his1=0; |
| 2087 | his0 = GetHisto((HistoType)itype,i,j); |
| 2088 | his1 = align->GetHisto((HistoType)itype,i,j); |
| 2089 | if (his1){ |
| 2090 | if (his0) his0->Add(his1); |
| 2091 | else { |
| 774a5ee9 |
2092 | his0 = GetHisto((HistoType)itype,i,j,kTRUE); |
| bb6bc8f6 |
2093 | his0->Add(his1); |
| 2094 | } |
| 2095 | } |
| 6f387311 |
2096 | } |
| ae0ac7be |
2097 | } |
| 2098 | } |
| 2099 | TLinearFitter *f0=0; |
| 2100 | TLinearFitter *f1=0; |
| 2101 | for (Int_t i=0; i<72;i++){ |
| 6f387311 |
2102 | for (Int_t j=0; j<72;j++){ |
| 774a5ee9 |
2103 | if (align->fPoints[GetIndex(i,j)]<1) continue; |
| 6f387311 |
2104 | // |
| ae0ac7be |
2105 | // |
| 2106 | // fitter12 |
| 2107 | f0 = GetFitter12(i,j); |
| bb6bc8f6 |
2108 | f1 = align->GetFitter12(i,j); |
| 774a5ee9 |
2109 | if (f1){ |
| 2110 | if (f0) f0->Add(f1); |
| ae0ac7be |
2111 | else { |
| 6f387311 |
2112 | fFitterArray12.AddAt(f1->Clone(),GetIndex(i,j)); |
| ae0ac7be |
2113 | } |
| 2114 | } |
| 2115 | // |
| 2116 | // fitter9 |
| 2117 | f0 = GetFitter9(i,j); |
| bb6bc8f6 |
2118 | f1 = align->GetFitter9(i,j); |
| 774a5ee9 |
2119 | if (f1){ |
| 2120 | if (f0) f0->Add(f1); |
| 6f387311 |
2121 | else { |
| 2122 | fFitterArray9.AddAt(f1->Clone(),GetIndex(i,j)); |
| ae0ac7be |
2123 | } |
| 2124 | } |
| 2125 | f0 = GetFitter6(i,j); |
| bb6bc8f6 |
2126 | f1 = align->GetFitter6(i,j); |
| 774a5ee9 |
2127 | if (f1){ |
| 2128 | if (f0) f0->Add(f1); |
| ae0ac7be |
2129 | else { |
| 6f387311 |
2130 | fFitterArray6.AddAt(f1->Clone(),GetIndex(i,j)); |
| ae0ac7be |
2131 | } |
| 2132 | } |
| 2133 | } |
| 2134 | } |
| 774a5ee9 |
2135 | // |
| 2136 | // Add Kalman filter |
| 2137 | // |
| 2138 | for (Int_t i=0;i<36;i++){ |
| 2139 | TMatrixD *par0 = (TMatrixD*)fArraySectorIntParam.At(i); |
| 2140 | if (!par0){ |
| 2141 | MakeSectorKalman(); |
| 2142 | par0 = (TMatrixD*)fArraySectorIntParam.At(i); |
| 2143 | } |
| 2144 | TMatrixD *par1 = (TMatrixD*)align->fArraySectorIntParam.At(i); |
| 2145 | if (!par1) continue; |
| 2146 | // |
| 2147 | TMatrixD *cov0 = (TMatrixD*)fArraySectorIntCovar.At(i); |
| 2148 | TMatrixD *cov1 = (TMatrixD*)align->fArraySectorIntCovar.At(i); |
| 2149 | UpdateSectorKalman(*par0,*cov0,*par1,*cov1); |
| 2150 | } |
| 2151 | if (!fSectorParamA){ |
| 2152 | MakeKalman(); |
| 2153 | } |
| 2154 | if (align->fSectorParamA){ |
| 2155 | UpdateKalman(*fSectorParamA,*fSectorCovarA,*align->fSectorParamA,*align->fSectorCovarA); |
| 2156 | UpdateKalman(*fSectorParamC,*fSectorCovarC,*align->fSectorParamC,*align->fSectorCovarC); |
| 2157 | } |
| 5b7417d2 |
2158 | if (!fClusterDelta[0]) MakeResidualHistos(); |
| 2159 | |
| 2160 | for (Int_t i=0; i<2; i++){ |
| 76c58ee2 |
2161 | if (align->fClusterDelta[i]){ |
| 2162 | fClusterDelta[i]->Add(align->fClusterDelta[i]); |
| 76c58ee2 |
2163 | } |
| b842d904 |
2164 | } |
| 3828da48 |
2165 | |
| 76c58ee2 |
2166 | |
| 60721370 |
2167 | for (Int_t i=0; i<4; i++){ |
| 2168 | if (!fTrackletDelta[i] && align->fTrackletDelta[i]) { |
| 2169 | fTrackletDelta[i]= (THnSparse*)(align->fTrackletDelta[i]->Clone()); |
| 2170 | continue; |
| 2171 | } |
| 76c58ee2 |
2172 | if (align->fTrackletDelta[i]) { |
| 3828da48 |
2173 | if (fTrackletDelta[i]->GetEntries()<fgkMergeEntriesCut){ |
| 2174 | fTrackletDelta[i]->Add(align->fTrackletDelta[i]); |
| 2175 | } |
| 76c58ee2 |
2176 | } |
| 60721370 |
2177 | } |
| 2178 | |
| ae0ac7be |
2179 | } |
| 108953e9 |
2180 | |
| 6f387311 |
2181 | 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){ |
| 2182 | // |
| 2183 | // GetTransformed value |
| 2184 | // |
| 2185 | // |
| 2186 | // x2 = a00*x1 + a01*y1 + a02*z1 + a03 |
| 2187 | // y2 = a10*x1 + a11*y1 + a12*z1 + a13 |
| 2188 | // z2 = a20*x1 + a21*y1 + a22*z1 + a23 |
| 2189 | // dydx2 = (a10 + a11*dydx1 + a12*dzdx1)/(a00 + a01*dydx1 + a02*dzdx1) |
| 2190 | // dzdx2 = (a20 + a21*dydx1 + a22*dzdx1)/(a00 + a01*dydx1 + a02*dzdx1) |
| 2191 | |
| 2192 | |
| 2193 | const TMatrixD * mat = GetTransformation(s1,s2,type); |
| 2194 | if (!mat) { |
| 2195 | if (value==0) return x1; |
| 2196 | if (value==1) return y1; |
| 2197 | if (value==2) return z1; |
| 2198 | if (value==3) return dydx1; |
| 2199 | if (value==4) return dzdx1; |
| 2200 | // |
| 2201 | if (value==5) return dydx1; |
| 2202 | if (value==6) return dzdx1; |
| 2203 | return 0; |
| 2204 | } |
| 2205 | Double_t valT=0; |
| 108953e9 |
2206 | |
| 6f387311 |
2207 | if (value==0){ |
| 2208 | valT = (*mat)(0,0)*x1+(*mat)(0,1)*y1+(*mat)(0,2)*z1+(*mat)(0,3); |
| 2209 | } |
| 2210 | |
| 2211 | if (value==1){ |
| 2212 | valT = (*mat)(1,0)*x1+(*mat)(1,1)*y1+(*mat)(1,2)*z1+(*mat)(1,3); |
| 2213 | } |
| 2214 | if (value==2){ |
| 2215 | valT = (*mat)(2,0)*x1+(*mat)(2,1)*y1+(*mat)(2,2)*z1+(*mat)(2,3); |
| 2216 | } |
| 2217 | if (value==3){ |
| 2218 | // dydx2 = (a10 + a11*dydx1 + a12*dzdx1)/(a00 + a01*dydx1 + a02*dzdx1) |
| 2219 | valT = (*mat)(1,0) +(*mat)(1,1)*dydx1 +(*mat)(1,2)*dzdx1; |
| 2220 | valT/= ((*mat)(0,0) +(*mat)(0,1)*dydx1 +(*mat)(0,2)*dzdx1); |
| 2221 | } |
| 2222 | |
| 2223 | if (value==4){ |
| 2224 | // dzdx2 = (a20 + a21*dydx1 + a22*dzdx1)/(a00 + a01*dydx1 + a02*dzdx1) |
| 2225 | valT = (*mat)(2,0) +(*mat)(2,1)*dydx1 +(*mat)(2,2)*dzdx1; |
| 2226 | valT/= ((*mat)(0,0) +(*mat)(0,1)*dydx1 +(*mat)(0,2)*dzdx1); |
| 2227 | } |
| 2228 | // |
| 2229 | if (value==5){ |
| 2230 | // onlys shift in angle |
| 2231 | // dydx2 = (a10 + a11*dydx1 + a12*dzdx1)/(a00 + a01*dydx1 + a02*dzdx1) |
| 2232 | valT = (*mat)(1,0) +(*mat)(1,1)*dydx1; |
| 2233 | } |
| 2234 | |
| 2235 | if (value==6){ |
| 2236 | // only shift in angle |
| 2237 | // dzdx2 = (a20 + a21*dydx1 + a22*dzdx1)/(a00 + a01*dydx1 + a02*dzdx1) |
| 2238 | valT = (*mat)(2,0) +(*mat)(2,1)*dydx1; |
| 2239 | } |
| 2240 | // |
| 2241 | return valT; |
| 2242 | } |
| 108953e9 |
2243 | |
| 2244 | |
| 1d82fc56 |
2245 | void AliTPCcalibAlign::Constrain1Pt(AliExternalTrackParam &track1, const AliExternalTrackParam &track2, Bool_t noField){ |
| 2246 | // |
| 2247 | // Update track parameters t1 |
| 2248 | // |
| 2249 | TMatrixD vecXk(5,1); // X vector |
| 2250 | TMatrixD covXk(5,5); // X covariance |
| 2251 | TMatrixD matHk(1,5); // vector to mesurement |
| 2252 | TMatrixD measR(1,1); // measurement error |
| 2253 | //TMatrixD matQk(5,5); // prediction noise vector |
| 2254 | TMatrixD vecZk(1,1); // measurement |
| 2255 | // |
| 2256 | TMatrixD vecYk(1,1); // Innovation or measurement residual |
| 2257 | TMatrixD matHkT(5,1); |
| 2258 | TMatrixD matSk(1,1); // Innovation (or residual) covariance |
| 2259 | TMatrixD matKk(5,1); // Optimal Kalman gain |
| 2260 | TMatrixD mat1(5,5); // update covariance matrix |
| 2261 | TMatrixD covXk2(5,5); // |
| 2262 | TMatrixD covOut(5,5); |
| 2263 | // |
| 2264 | Double_t *param1=(Double_t*) track1.GetParameter(); |
| 2265 | Double_t *covar1=(Double_t*) track1.GetCovariance(); |
| 2266 | |
| 2267 | // |
| 2268 | // copy data to the matrix |
| 2269 | for (Int_t ipar=0; ipar<5; ipar++){ |
| 2270 | vecXk(ipar,0) = param1[ipar]; |
| 2271 | for (Int_t jpar=0; jpar<5; jpar++){ |
| 2272 | covXk(ipar,jpar) = covar1[track1.GetIndex(ipar, jpar)]; |
| 2273 | } |
| 2274 | } |
| 2275 | // |
| 2276 | // |
| 2277 | // |
| 2278 | vecZk(0,0) = track2.GetParameter()[4]; // 1/pt measurement from track 2 |
| 2279 | measR(0,0) = track2.GetCovariance()[14]; // 1/pt measurement error |
| 2280 | if (noField) { |
| 2281 | measR(0,0)*=0.000000001; |
| 2282 | vecZk(0,0)=0.; |
| 2283 | } |
| 2284 | // |
| 2285 | matHk(0,0)=0; matHk(0,1)= 0; matHk(0,2)= 0; |
| 2286 | matHk(0,3)= 0; matHk(0,4)= 1; // vector to measurement |
| 2287 | // |
| 2288 | // |
| 2289 | // |
| 2290 | vecYk = vecZk-matHk*vecXk; // Innovation or measurement residual |
| 2291 | matHkT=matHk.T(); matHk.T(); |
| 2292 | matSk = (matHk*(covXk*matHkT))+measR; // Innovation (or residual) covariance |
| 2293 | matSk.Invert(); |
| 2294 | matKk = (covXk*matHkT)*matSk; // Optimal Kalman gain |
| 2295 | vecXk += matKk*vecYk; // updated vector |
| 2296 | mat1(0,0)=1; mat1(1,1)=1; mat1(2,2)=1; mat1(3,3)=1; mat1(4,4)=1; |
| 2297 | covXk2 = (mat1-(matKk*matHk)); |
| 2298 | covOut = covXk2*covXk; |
| 2299 | // |
| 2300 | // |
| 2301 | // |
| 2302 | // copy from matrix to parameters |
| 2303 | if (0) { |
| 2304 | covOut.Print(); |
| 2305 | vecXk.Print(); |
| 2306 | covXk.Print(); |
| 2307 | track1.Print(); |
| 2308 | track2.Print(); |
| 2309 | } |
| 2310 | |
| 2311 | for (Int_t ipar=0; ipar<5; ipar++){ |
| 2312 | param1[ipar]= vecXk(ipar,0) ; |
| 2313 | for (Int_t jpar=0; jpar<5; jpar++){ |
| 2314 | covar1[track1.GetIndex(ipar, jpar)]=covOut(ipar,jpar); |
| 2315 | } |
| 2316 | } |
| 2317 | |
| 2318 | } |
| 2319 | |
| 2320 | void AliTPCcalibAlign::GlobalAlign6(Int_t minPoints, Float_t sysError, Int_t niter){ |
| 2321 | // |
| 2322 | // Global Align -combine the partial alignment of pair of sectors |
| 2323 | // minPoints - minimal number of points - don't use sector alignment wit smaller number |
| 2324 | // sysError - error added to the alignemnt error |
| 2325 | // |
| 2326 | AliTPCcalibAlign * align = this; |
| 2327 | TMatrixD * arrayAlign[72]; |
| 2328 | TMatrixD * arrayAlignDiff[72]; |
| 2329 | // |
| 2330 | for (Int_t i=0;i<72; i++) { |
| 2331 | TMatrixD * mat = new TMatrixD(4,4); |
| 2332 | mat->UnitMatrix(); |
| 2333 | arrayAlign[i]=mat; |
| 2334 | arrayAlignDiff[i]=(TMatrixD*)(mat->Clone()); |
| 2335 | } |
| 2336 | |
| 2337 | TTreeSRedirector *cstream = new TTreeSRedirector("galign6.root"); |
| 2338 | for (Int_t iter=0; iter<niter;iter++){ |
| 2339 | printf("Iter=\t%d\n",iter); |
| 2340 | for (Int_t is0=0;is0<72; is0++) { |
| 2341 | // |
| 2342 | //TMatrixD *mati0 = arrayAlign[is0]; |
| 2343 | TMatrixD matDiff(4,4); |
| 2344 | Double_t sumw=0; |
| 2345 | for (Int_t is1=0;is1<72; is1++) { |
| 2346 | Bool_t invers=kFALSE; |
| 2347 | Int_t npoints=0; |
| 2348 | TMatrixD covar; |
| 2349 | TVectorD errors; |
| 2350 | const TMatrixD *mat = align->GetTransformation(is0,is1,0); |
| 2351 | if (mat){ |
| 2352 | npoints = align->GetFitter6(is0,is1)->GetNpoints(); |
| 2353 | if (npoints>minPoints){ |
| 2354 | align->GetFitter6(is0,is1)->GetCovarianceMatrix(covar); |
| 2355 | align->GetFitter6(is0,is1)->GetErrors(errors); |
| 2356 | } |
| 2357 | } |
| 2358 | else{ |
| 2359 | invers=kTRUE; |
| 2360 | mat = align->GetTransformation(is1,is0,0); |
| 2361 | if (mat) { |
| 2362 | npoints = align->GetFitter6(is1,is0)->GetNpoints(); |
| 2363 | if (npoints>minPoints){ |
| 2364 | align->GetFitter6(is1,is0)->GetCovarianceMatrix(covar); |
| 2365 | align->GetFitter6(is1,is0)->GetErrors(errors); |
| 2366 | } |
| 2367 | } |
| 2368 | } |
| 2369 | if (!mat) continue; |
| 2370 | if (npoints<minPoints) continue; |
| 2371 | // |
| 2372 | Double_t weight=1; |
| 2373 | if (is1/36>is0/36) weight*=2./3.; //IROC-OROC |
| 2374 | if (is1/36<is0/36) weight*=1./3.; //OROC-IROC |
| 2375 | if (is1/36==is0/36) weight*=1/3.; //OROC-OROC |
| 2376 | if (is1%36!=is0%36) weight*=1/2.; //Not up-down |
| 774a5ee9 |
2377 | weight/=(errors[4]*errors[4]+sysError*sysError); // wieghting with error in Y |
| 1d82fc56 |
2378 | // |
| 2379 | // |
| 2380 | TMatrixD matT = *mat; |
| 2381 | if (invers) matT.Invert(); |
| 2382 | TMatrixD diffMat= (*(arrayAlign[is1]))*matT; |
| 2383 | diffMat-=(*arrayAlign[is0]); |
| 2384 | matDiff+=weight*diffMat; |
| 2385 | sumw+=weight; |
| 2386 | |
| 2387 | (*cstream)<<"LAlign"<< |
| 2388 | "iter="<<iter<< |
| 2389 | "s0="<<is0<< |
| 2390 | "s1="<<is1<< |
| 2391 | "npoints="<<npoints<< |
| 2392 | "m60.="<<arrayAlign[is0]<< |
| 2393 | "m61.="<<arrayAlign[is1]<< |
| 2394 | "m01.="<<&matT<< |
| 2395 | "diff.="<<&diffMat<< |
| 2396 | "cov.="<<&covar<< |
| 2397 | "err.="<<&errors<< |
| 2398 | "\n"; |
| 2399 | } |
| 2400 | if (sumw>0){ |
| 2401 | matDiff*=1/sumw; |
| 2402 | matDiff(0,0)=0; |
| 2403 | matDiff(1,1)=0; |
| 2404 | matDiff(1,1)=0; |
| 2405 | matDiff(1,1)=0; |
| 2406 | (*arrayAlignDiff[is0]) = matDiff; |
| 2407 | } |
| 2408 | } |
| 2409 | for (Int_t is0=0;is0<72; is0++) { |
| 2410 | if (is0<36) (*arrayAlign[is0]) += 0.4*(*arrayAlignDiff[is0]); |
| 2411 | if (is0>=36) (*arrayAlign[is0]) += 0.2*(*arrayAlignDiff[is0]); |
| 2412 | // |
| 2413 | (*cstream)<<"GAlign"<< |
| 2414 | "iter="<<iter<< |
| 2415 | "s0="<<is0<< |
| 2416 | "m6.="<<arrayAlign[is0]<< |
| 2417 | "\n"; |
| 2418 | } |
| 2419 | } |
| 774a5ee9 |
2420 | |
| 1d82fc56 |
2421 | delete cstream; |
| 2422 | for (Int_t isec=0;isec<72;isec++){ |
| 2423 | fCombinedMatrixArray6.AddAt(arrayAlign[isec],isec); |
| 2424 | delete arrayAlignDiff[isec]; |
| 2425 | } |
| 2426 | } |
| 2427 | |
| 108953e9 |
2428 | |
| 774a5ee9 |
2429 | 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){ |
| 2430 | // |
| 2431 | // Refit tracklet linearly using clusters at given sector isec |
| 2432 | // Clusters are rotated to the reference frame of sector refSector |
| 2433 | // |
| 2434 | // fit parameters and errors retruning in the fitParam |
| 2435 | // |
| 2436 | // seed - acces to the original clusters |
| 2437 | // isec - sector to be refited |
| 2438 | // fitParam - |
| 2439 | // 0 lx |
| 2440 | // 1 ly |
| 2441 | // 2 dy/dz |
| 2442 | // 3 lz |
| 2443 | // 4 dz/dx |
| 2444 | // 5 sx |
| 2445 | // 6 sy |
| 2446 | // 7 sdydx |
| 2447 | // 8 sz |
| 2448 | // 9 sdzdx |
| 2449 | // ref sector is the sector defining ref frame - rotation |
| 2450 | // return value - number of used clusters |
| 2451 | |
| 2452 | const Int_t kMinClusterF=15; |
| 2453 | const Int_t kdrow1 =10; // rows to skip at the end |
| 2454 | const Int_t kdrow0 =3; // rows to skip at beginning |
| 2455 | const Float_t kedgeyIn=2.5; |
| 2456 | const Float_t kedgeyOut=4.0; |
| 2457 | const Float_t kMaxDist=5; // max distance -in sigma |
| 2458 | const Float_t kMaxCorrY=0.05; // max correction |
| 2459 | // |
| 2460 | Double_t dalpha = 0; |
| 2461 | if ((refSector%18)!=(isec%18)){ |
| 2462 | dalpha = -((refSector%18)-(isec%18))*TMath::TwoPi()/18.; |
| 2463 | } |
| 2464 | Double_t ca = TMath::Cos(dalpha); |
| 2465 | Double_t sa = TMath::Sin(dalpha); |
| 2466 | // |
| 2467 | // |
| 2468 | AliTPCPointCorrection * corr = AliTPCPointCorrection::Instance(); |
| 2469 | // |
| 2470 | // full track fit parameters |
| 2471 | // |
| 4486a91f |
2472 | static TLinearFitter fyf(2,"pol1"); // change to static - suggestion of calgrind - 30 % of time |
| 2473 | static TLinearFitter fzf(2,"pol1"); // relative to time of given class |
| 774a5ee9 |
2474 | TVectorD pyf(2), peyf(2),pzf(2), pezf(2); |
| 2475 | TMatrixD covY(4,4),covZ(4,4); |
| 2476 | Double_t chi2FacY =1; |
| 2477 | Double_t chi2FacZ =1; |
| 2478 | Int_t nf=0; |
| 2479 | // |
| 2480 | // |
| 2481 | // |
| 2482 | Float_t erry=0.1; // initial cluster error estimate |
| 2483 | Float_t errz=0.1; // initial cluster error estimate |
| 2484 | for (Int_t iter=0; iter<2; iter++){ |
| 2485 | fyf.ClearPoints(); |
| 2486 | fzf.ClearPoints(); |
| 2487 | for (Int_t irow=kdrow0;irow<159-kdrow1;irow++) { |
| 2488 | AliTPCclusterMI *c=track->GetClusterPointer(irow); |
| 2489 | if (!c) continue; |
| 2490 | // |
| 2491 | if (c->GetDetector()%36!=(isec%36)) continue; |
| 2492 | if (!both && c->GetDetector()!=isec) continue; |
| 108953e9 |
2493 | |
| 774a5ee9 |
2494 | if (c->GetRow()<kdrow0) continue; |
| 2495 | //cluster position in reference frame |
| 2496 | Double_t lxR = ca*c->GetX()-sa*c->GetY(); |
| 2497 | Double_t lyR = +sa*c->GetX()+ca*c->GetY(); |
| 2498 | Double_t lzR = c->GetZ(); |
| 6f387311 |
2499 | |
| 774a5ee9 |
2500 | Double_t dx = lxR -xRef; // distance to reference X |
| 2501 | Double_t x[2]={dx, dx*dx}; |
| 6f387311 |
2502 | |
| 774a5ee9 |
2503 | Double_t yfitR = pyf[0]+pyf[1]*dx; // fit value Y in ref frame |
| 2504 | Double_t zfitR = pzf[0]+pzf[1]*dx; // fit value Z in ref frame |
| 2505 | // |
| 2506 | Double_t yfit = -sa*lxR + ca*yfitR; // fit value Y in local frame |
| 2507 | // |
| 2508 | if (iter==0 &&c->GetType()<0) continue; |
| 2509 | if (iter>0){ |
| 2510 | if (TMath::Abs(lyR-yfitR)>kMaxDist*erry) continue; |
| 2511 | if (TMath::Abs(lzR-zfitR)>kMaxDist*errz) continue; |
| 2512 | Double_t dedge = c->GetX()*TMath::Tan(TMath::Pi()/18.)-TMath::Abs(yfit); |
| 2513 | if (isec<36 && dedge<kedgeyIn) continue; |
| 2514 | if (isec>35 && dedge<kedgeyOut) continue; |
| 2515 | Double_t corrtrY = |
| 2516 | corr->RPhiCOGCorrection(isec,c->GetRow(), c->GetPad(), |
| 2517 | c->GetY(),yfit, c->GetZ(), pyf[1], c->GetMax(),2.5); |
| 2518 | Double_t corrclY = |
| 2519 | corr->RPhiCOGCorrection(isec,c->GetRow(), c->GetPad(), |
| 2520 | c->GetY(),c->GetY(), c->GetZ(), pyf[1], c->GetMax(),2.5); |
| 2521 | if (TMath::Abs((corrtrY+corrclY)*0.5)>kMaxCorrY) continue; |
| 2522 | if (TMath::Abs(corrtrY)>kMaxCorrY) continue; |
| 2523 | } |
| 2524 | fyf.AddPoint(x,lyR,erry); |
| 2525 | fzf.AddPoint(x,lzR,errz); |
| 2526 | } |
| 2527 | nf = fyf.GetNpoints(); |
| 2528 | if (nf<kMinClusterF) return 0; // not enough points - skip |
| 2529 | fyf.Eval(); |
| 2530 | fyf.GetParameters(pyf); |
| 2531 | fyf.GetErrors(peyf); |
| 2532 | fzf.Eval(); |
| 2533 | fzf.GetParameters(pzf); |
| 2534 | fzf.GetErrors(pezf); |
| 2535 | chi2FacY = TMath::Sqrt(fyf.GetChisquare()/(fyf.GetNpoints()-2.)); |
| 2536 | chi2FacZ = TMath::Sqrt(fzf.GetChisquare()/(fzf.GetNpoints()-2.)); |
| 2537 | peyf[0]*=chi2FacY; |
| 2538 | peyf[1]*=chi2FacY; |
| 2539 | pezf[0]*=chi2FacZ; |
| 2540 | pezf[1]*=chi2FacZ; |
| 2541 | erry*=chi2FacY; |
| 2542 | errz*=chi2FacZ; |
| 2543 | fyf.GetCovarianceMatrix(covY); |
| 2544 | fzf.GetCovarianceMatrix(covZ); |
| 2545 | for (Int_t i0=0;i0<2;i0++) |
| 2546 | for (Int_t i1=0;i1<2;i1++){ |
| 2547 | covY(i0,i1)*=chi2FacY*chi2FacY; |
| 2548 | covZ(i0,i1)*=chi2FacZ*chi2FacZ; |
| 2549 | } |
| 2550 | } |
| 2551 | fitParam[0] = xRef; |
| 2552 | // |
| 2553 | fitParam[1] = pyf[0]; |
| 2554 | fitParam[2] = pyf[1]; |
| 2555 | fitParam[3] = pzf[0]; |
| 2556 | fitParam[4] = pzf[1]; |
| 2557 | // |
| 2558 | fitParam[5] = 0; |
| 2559 | fitParam[6] = peyf[0]; |
| 2560 | fitParam[7] = peyf[1]; |
| 2561 | fitParam[8] = pezf[0]; |
| 2562 | fitParam[9] = pezf[1]; |
| 2563 | // |
| 2564 | // |
| 2565 | tparam(0,0) = pyf[0]; |
| 2566 | tparam(1,0) = pyf[1]; |
| 2567 | tparam(2,0) = pzf[0]; |
| 2568 | tparam(3,0) = pzf[1]; |
| 2569 | // |
| 2570 | tcovar(0,0) = covY(0,0); |
| 2571 | tcovar(1,1) = covY(1,1); |
| 2572 | tcovar(1,0) = covY(1,0); |
| 2573 | tcovar(0,1) = covY(0,1); |
| 2574 | tcovar(2,2) = covZ(0,0); |
| 2575 | tcovar(3,3) = covZ(1,1); |
| 2576 | tcovar(3,2) = covZ(1,0); |
| 2577 | tcovar(2,3) = covZ(0,1); |
| 2578 | return nf; |
| 2579 | } |
| 6f387311 |
2580 | |
| 5b7417d2 |
2581 | void AliTPCcalibAlign::UpdateClusterDeltaField(const AliTPCseed * seed){ |
| 2582 | // |
| 2583 | // Update the cluster residula histograms for setup with field |
| 2584 | // Kalman track fitting is used |
| 2585 | // Only high momenta primary tracks used |
| 2586 | // |
| 2587 | // 1. Apply selection |
| 2588 | // 2. Refit the track - in-out |
| 5b7417d2 |
2589 | // 3. Refit the track - out-in |
| 76c58ee2 |
2590 | // 4. Combine In and Out track - - fil cluster residuals |
| 5b7417d2 |
2591 | // |
| 034e5c8c |
2592 | if (!fCurrentFriendTrack) return; |
| 2593 | if (!fCurrentFriendTrack->GetTPCOut()) return; |
| 5647625c |
2594 | const Double_t kPtCut=1.0; // pt |
| 5b7417d2 |
2595 | const Double_t kSnpCut=0.2; // snp cut |
| 2596 | const Double_t kNclCut=120; // |
| 2597 | const Double_t kVertexCut=1; |
| 2598 | const Double_t kMaxDist=0.5; // max distance between tracks and cluster |
| 5647625c |
2599 | const Double_t kEdgeCut = 2.5; |
| 76c58ee2 |
2600 | const Double_t kDelta2=0.2*0.2; // initial increase in covar matrix |
| 2601 | const Double_t kSigma=0.3; // error increase towards edges of TPC |
| 2602 | const Double_t kSkipBoundary=7.5; // skip track updates in the boundary IFC,OFC, IO |
| 2603 | // |
| 5b7417d2 |
2604 | if (!fCurrentTrack) return; |
| 2605 | if (!fCurrentFriendTrack) return; |
| 2606 | Float_t vertexXY=0,vertexZ=0; |
| 2607 | fCurrentTrack->GetImpactParameters(vertexXY,vertexZ); |
| 2608 | if (TMath::Abs(vertexXY)>kVertexCut) return; |
| 2609 | if (TMath::Abs(vertexZ)>kVertexCut) return; |
| 2610 | if (TMath::Abs(seed->Pt())<kPtCut) return; |
| 2611 | if (seed->GetNumberOfClusters()<kNclCut) return; |
| 2612 | if (TMath::Abs(seed->GetSnp())>kSnpCut) return; |
| 2613 | if (!fClusterDelta[0]) MakeResidualHistos(); |
| 76c58ee2 |
2614 | // |
| 2615 | AliExternalTrackParam fitIn[160]; |
| 2616 | AliExternalTrackParam fitOut[160]; |
| 2617 | AliTPCROC * roc = AliTPCROC::Instance(); |
| 2618 | Double_t xmiddle = ( roc->GetPadRowRadii(0,0)+roc->GetPadRowRadii(36,roc->GetNRows(36)-1))*0.5; |
| 2619 | Double_t xDiff = ( -roc->GetPadRowRadii(0,0)+roc->GetPadRowRadii(36,roc->GetNRows(36)-1))*0.5; |
| 2620 | Double_t xIFC = ( roc->GetPadRowRadii(0,0)); |
| 2621 | Double_t xOFC = ( roc->GetPadRowRadii(36,roc->GetNRows(36)-1)); |
| 2622 | // |
| 5b7417d2 |
2623 | Int_t detector=-1; |
| 2624 | // |
| 2625 | // |
| 2626 | AliExternalTrackParam trackIn = *(fCurrentTrack->GetInnerParam()); |
| 2627 | AliExternalTrackParam trackOut = *(fCurrentFriendTrack->GetTPCOut()); |
| 76c58ee2 |
2628 | trackIn.ResetCovariance(10); |
| 2629 | trackOut.ResetCovariance(10); |
| 2630 | Double_t *covarIn = (Double_t*)trackIn.GetCovariance(); |
| 2631 | Double_t *covarOut = (Double_t*)trackOut.GetCovariance(); |
| 2632 | covarIn[0]+=kDelta2; covarIn[2]+=kDelta2; |
| 2633 | covarIn[5]+=kDelta2/(100.*100.); covarIn[9]=kDelta2/(100.*100.); |
| 2634 | covarIn[14]+=kDelta2/(5.*5.); |
| 2635 | covarOut[0]+=kDelta2; covarOut[2]+=kDelta2; |
| 2636 | covarOut[5]+=kDelta2/(100.*100.); covarOut[9]=kDelta2/(100.*100.); |
| 2637 | covarOut[14]+=kDelta2/(5.*5.); |
| 2638 | // |
| 5647625c |
2639 | static Double_t mass = TDatabasePDG::Instance()->GetParticle("pi+")->Mass(); |
| 5b7417d2 |
2640 | // |
| 5647625c |
2641 | Int_t ncl=0; |
| 2642 | for (Int_t irow=0; irow<160; irow++){ |
| 2643 | AliTPCclusterMI *cl=seed->GetClusterPointer(irow); |
| 2644 | if (!cl) continue; |
| 2645 | if (cl->GetX()<80) continue; |
| 2646 | if (detector<0) detector=cl->GetDetector()%36; |
| 2647 | if (detector!=cl->GetDetector()%36) return; // cluster from different sectors |
| 2648 | // skip such tracks |
| 2649 | ncl++; |
| 2650 | } |
| 2651 | if (ncl<kNclCut) return; |
| 5b7417d2 |
2652 | Int_t nclIn=0,nclOut=0; |
| 2653 | Double_t xyz[3]; |
| 2654 | // |
| 2655 | // Refit out - store residual maps |
| 2656 | // |
| 2657 | for (Int_t irow=0; irow<160; irow++){ |
| 2658 | AliTPCclusterMI *cl=seed->GetClusterPointer(irow); |
| 2659 | if (!cl) continue; |
| 2660 | if (cl->GetX()<80) continue; |
| 2661 | if (detector<0) detector=cl->GetDetector()%36; |
| 2662 | Int_t sector = cl->GetDetector(); |
| 2663 | Float_t dalpha = TMath::DegToRad()*(sector%18*20.+10.)-trackOut.GetAlpha(); |
| 76c58ee2 |
2664 | if (cl->GetDetector()%36!=detector) continue; |
| 5b7417d2 |
2665 | if (TMath::Abs(dalpha)>0.01){ |
| 2666 | if (!trackOut.Rotate(TMath::DegToRad()*(sector%18*20.+10.))) break; |
| 2667 | } |
| 2668 | Double_t r[3]={cl->GetX(),cl->GetY(),cl->GetZ()}; |
| 76c58ee2 |
2669 | Double_t cov[3]={0.1,0.,0.1}; |
| 5647625c |
2670 | Double_t dedge = cl->GetX()*TMath::Tan(TMath::Pi()/18.)-TMath::Abs(trackOut.GetY()); |
| 76c58ee2 |
2671 | Double_t dmiddle = TMath::Abs(cl->GetX()-xmiddle)/xDiff; |
| 2672 | dmiddle*=dmiddle; |
| 2673 | // |
| 2674 | cov[0]+=kSigma*dmiddle; // bigger error at boundary |
| 2675 | cov[0]+=kSigma*dmiddle; // bigger error at boundary |
| 2676 | cov[2]+=kSigma*dmiddle; // bigger error at boundary |
| 2677 | cov[2]+=kSigma*dmiddle; // bigger error at boundary |
| 2678 | cov[0]+=kSigma/dedge; // bigger error close to the boundary |
| 2679 | cov[2]+=kSigma/dedge; // bigger error close to the boundary |
| 5b7417d2 |
2680 | cov[0]*=cov[0]; |
| 2681 | cov[2]*=cov[2]; |
| 76c58ee2 |
2682 | if (!AliTracker::PropagateTrackToBxByBz(&trackOut, r[0],mass,1.,kFALSE)) continue; |
| 5647625c |
2683 | if (TMath::Abs(dedge)<kEdgeCut) continue; |
| 76c58ee2 |
2684 | // |
| 2685 | Bool_t doUpdate=kTRUE; |
| 2686 | if (TMath::Abs(cl->GetX()-xIFC)<kSkipBoundary) doUpdate=kFALSE; |
| 2687 | if (TMath::Abs(cl->GetX()-xOFC)<kSkipBoundary) doUpdate=kFALSE; |
| 2688 | if (TMath::Abs(cl->GetX()-fXIO)<kSkipBoundary) doUpdate=kFALSE; |
| 2689 | // |
| 5b7417d2 |
2690 | if (TMath::Abs(cl->GetY()-trackOut.GetY())<kMaxDist){ |
| 2691 | nclOut++; |
| 76c58ee2 |
2692 | if (doUpdate) trackOut.Update(&r[1],cov); |
| 5b7417d2 |
2693 | } |
| 76c58ee2 |
2694 | fitOut[irow]=trackOut; |
| 5b7417d2 |
2695 | } |
| 76c58ee2 |
2696 | |
| 5b7417d2 |
2697 | // |
| 76c58ee2 |
2698 | // Refit In - store residual maps |
| 5b7417d2 |
2699 | // |
| 2700 | for (Int_t irow=159; irow>=0; irow--){ |
| 2701 | AliTPCclusterMI *cl=seed->GetClusterPointer(irow); |
| 2702 | if (!cl) continue; |
| 2703 | if (cl->GetX()<80) continue; |
| 2704 | if (detector<0) detector=cl->GetDetector()%36; |
| 2705 | Int_t sector = cl->GetDetector(); |
| 2706 | Float_t dalpha = TMath::DegToRad()*(sector%18*20.+10.)-trackIn.GetAlpha(); |
| 76c58ee2 |
2707 | if (cl->GetDetector()%36!=detector) continue; |
| 5b7417d2 |
2708 | if (TMath::Abs(dalpha)>0.01){ |
| 2709 | if (!trackIn.Rotate(TMath::DegToRad()*(sector%18*20.+10.))) break; |
| 2710 | } |
| 2711 | Double_t r[3]={cl->GetX(),cl->GetY(),cl->GetZ()}; |
| 76c58ee2 |
2712 | Double_t cov[3]={0.1,0.,0.1}; |
| 5647625c |
2713 | Double_t dedge = cl->GetX()*TMath::Tan(TMath::Pi()/18.)-TMath::Abs(trackIn.GetY()); |
| 76c58ee2 |
2714 | Double_t dmiddle = TMath::Abs(cl->GetX()-xmiddle)/xDiff; |
| 2715 | dmiddle*=dmiddle; |
| 2716 | // |
| 2717 | cov[0]+=kSigma*dmiddle; // bigger error at boundary |
| 2718 | cov[0]+=kSigma*dmiddle; // bigger error at boundary |
| 2719 | cov[2]+=kSigma*dmiddle; // bigger error at boundary |
| 2720 | cov[2]+=kSigma*dmiddle; // bigger error at boundary |
| 2721 | cov[0]+=kSigma/dedge; // bigger error close to the boundary |
| 2722 | cov[2]+=kSigma/dedge; // bigger error close to the boundary |
| 5b7417d2 |
2723 | cov[0]*=cov[0]; |
| 2724 | cov[2]*=cov[2]; |
| 76c58ee2 |
2725 | if (!AliTracker::PropagateTrackToBxByBz(&trackIn, r[0],mass,1.,kFALSE)) continue; |
| 5647625c |
2726 | if (TMath::Abs(dedge)<kEdgeCut) continue; |
| 76c58ee2 |
2727 | Bool_t doUpdate=kTRUE; |
| 2728 | if (TMath::Abs(cl->GetX()-xIFC)<kSkipBoundary) doUpdate=kFALSE; |
| 2729 | if (TMath::Abs(cl->GetX()-xOFC)<kSkipBoundary) doUpdate=kFALSE; |
| 2730 | if (TMath::Abs(cl->GetX()-fXIO)<kSkipBoundary) doUpdate=kFALSE; |
| 5b7417d2 |
2731 | if (TMath::Abs(cl->GetY()-trackIn.GetY())<kMaxDist){ |
| 2732 | nclIn++; |
| 76c58ee2 |
2733 | if (doUpdate) trackIn.Update(&r[1],cov); |
| 5b7417d2 |
2734 | } |
| 76c58ee2 |
2735 | fitIn[irow]=trackIn; |
| 2736 | } |
| 2737 | // |
| 2738 | // |
| 2739 | for (Int_t irow=159; irow>=0; irow--){ |
| 5b7417d2 |
2740 | // |
| 76c58ee2 |
2741 | // Update kalman - +- direction |
| 2742 | // Store cluster residuals |
| 2743 | AliTPCclusterMI *cl=seed->GetClusterPointer(irow); |
| 2744 | if (!cl) continue; |
| 2745 | if (cl->GetX()<80) continue; |
| 2746 | if (detector<0) detector=cl->GetDetector()%36; |
| 2747 | if (cl->GetDetector()%36!=detector) continue; |
| 034e5c8c |
2748 | if (fitIn[irow].GetX()<80) continue; |
| 2749 | if (fitOut[irow].GetX()<80) continue; |
| 76c58ee2 |
2750 | AliExternalTrackParam trackSmooth = fitIn[irow]; |
| 2751 | AliTrackerBase::UpdateTrack(trackSmooth, fitOut[irow]); |
| 5b7417d2 |
2752 | // |
| 2753 | Double_t resVector[5]; |
| 76c58ee2 |
2754 | trackSmooth.GetXYZ(xyz); |
| 5b7417d2 |
2755 | resVector[1]= 9.*TMath::ATan2(xyz[1],xyz[0])/TMath::Pi(); |
| 2756 | if (resVector[1]<0) resVector[1]+=18; |
| 287fbdfa |
2757 | resVector[2]= TMath::Sqrt(cl->GetX()*cl->GetX()+cl->GetY()*cl->GetY()); |
| 8847ede1 |
2758 | resVector[3]= cl->GetZ()/resVector[2]; |
| 5b7417d2 |
2759 | // |
| 76c58ee2 |
2760 | resVector[0]= cl->GetY()-trackSmooth.GetY(); |
| 5b7417d2 |
2761 | fClusterDelta[0]->Fill(resVector); |
| 76c58ee2 |
2762 | resVector[0]= cl->GetZ()-trackSmooth.GetZ(); |
| 5b7417d2 |
2763 | fClusterDelta[1]->Fill(resVector); |
| 2764 | } |
| 2765 | |
| 5b7417d2 |
2766 | } |
| 2767 | |
| 2768 | |
| 774a5ee9 |
2769 | void AliTPCcalibAlign::UpdateAlignSector(const AliTPCseed * track,Int_t isec){ |
| 2770 | // |
| 5b7417d2 |
2771 | // Update Kalman filter of Alignment - only setup without filed |
| 774a5ee9 |
2772 | // IROC - OROC quadrants |
| 2773 | // |
| 5b7417d2 |
2774 | if (TMath::Abs(AliTracker::GetBz())>0.5) return; |
| b842d904 |
2775 | if (!fClusterDelta[0]) MakeResidualHistos(); |
| 76c58ee2 |
2776 | // const Int_t kMinClusterF=40; |
| 5b7417d2 |
2777 | const Int_t kMinClusterFit=10; |
| 774a5ee9 |
2778 | const Int_t kMinClusterQ=10; |
| 2779 | // |
| b842d904 |
2780 | const Int_t kdrow1Fit =5; // rows to skip from fit at the end |
| 2781 | const Int_t kdrow0Fit =10; // rows to skip from fit at beginning |
| 774a5ee9 |
2782 | const Float_t kedgey=3.0; |
| b842d904 |
2783 | const Float_t kMaxDist=1; |
| 774a5ee9 |
2784 | const Float_t kMaxCorrY=0.05; |
| 2785 | const Float_t kPRFWidth = 0.6; //cut 2 sigma of PRF |
| 2786 | isec = isec%36; // use the hardware numbering |
| 2787 | // |
| 2788 | // |
| 2789 | AliTPCPointCorrection * corr = AliTPCPointCorrection::Instance(); |
| 2790 | // |
| 2791 | // full track fit parameters |
| 2792 | // |
| 4486a91f |
2793 | static TLinearFitter fyf(2,"pol1"); // make it static - too much time for comiling of formula |
| 2794 | static TLinearFitter fzf(2,"pol1"); // calgrind recomendation |
| 774a5ee9 |
2795 | TVectorD pyf(2), peyf(2),pzf(2), pezf(2); |
| b842d904 |
2796 | TVectorD pyfc(2),pzfc(2); |
| 774a5ee9 |
2797 | Int_t nf=0; |
| 2798 | // |
| 2799 | // make full fit as reference |
| 2800 | // |
| 2801 | for (Int_t iter=0; iter<2; iter++){ |
| 2802 | fyf.ClearPoints(); |
| 4486a91f |
2803 | fzf.ClearPoints(); |
| b842d904 |
2804 | for (Int_t irow=kdrow0Fit;irow<159-kdrow1Fit;irow++) { |
| 774a5ee9 |
2805 | AliTPCclusterMI *c=track->GetClusterPointer(irow); |
| 2806 | if (!c) continue; |
| 2807 | if ((c->GetDetector()%36)!=isec) continue; |
| b842d904 |
2808 | if (c->GetRow()<kdrow0Fit) continue; |
| 774a5ee9 |
2809 | Double_t dx = c->GetX()-fXmiddle; |
| 2810 | Double_t x[2]={dx, dx*dx}; |
| 2811 | if (iter==0 &&c->GetType()<0) continue; |
| 2812 | if (iter==1){ |
| 2813 | Double_t yfit = pyf[0]+pyf[1]*dx; |
| b842d904 |
2814 | Double_t zfit = pzf[0]+pzf[1]*dx; |
| 774a5ee9 |
2815 | Double_t dedge = c->GetX()*TMath::Tan(TMath::Pi()/18.)-TMath::Abs(yfit); |
| 2816 | if (TMath::Abs(c->GetY()-yfit)>kMaxDist) continue; |
| b842d904 |
2817 | if (TMath::Abs(c->GetZ()-zfit)>kMaxDist) continue; |
| 774a5ee9 |
2818 | if (dedge<kedgey) continue; |
| 2819 | Double_t corrtrY = |
| 2820 | corr->RPhiCOGCorrection(c->GetDetector(),c->GetRow(), c->GetPad(), |
| 2821 | c->GetY(),yfit, c->GetZ(), pyf[1], c->GetMax(),2.5); |
| 2822 | if (TMath::Abs(corrtrY)>kMaxCorrY) continue; |
| 2823 | } |
| 5b7417d2 |
2824 | if (TMath::Abs(x[0])<10){ |
| 2825 | fyf.AddPoint(x,c->GetY(),0.1); //use only middle rows+-10cm |
| 76c58ee2 |
2826 | fzf.AddPoint(x,c->GetZ(),0.1); |
| 5b7417d2 |
2827 | } |
| 774a5ee9 |
2828 | } |
| 2829 | nf = fyf.GetNpoints(); |
| 5b7417d2 |
2830 | if (fyf.GetNpoints()<kMinClusterFit) return; // not enough points - skip |
| 76c58ee2 |
2831 | if (fzf.GetNpoints()<kMinClusterFit) return; // not enough points - skip |
| 774a5ee9 |
2832 | fyf.Eval(); |
| 2833 | fyf.GetParameters(pyf); |
| 2834 | fyf.GetErrors(peyf); |
| 2835 | fzf.Eval(); |
| 2836 | fzf.GetParameters(pzf); |
| 2837 | fzf.GetErrors(pezf); |
| 2838 | } |
| 2839 | // |
| b842d904 |
2840 | // |
| 2841 | // |
| 5b7417d2 |
2842 | TVectorD vecX(160); // x vector |
| 2843 | TVectorD vecY(160); // residuals vector |
| 2844 | TVectorD vecZ(160); // residuals vector |
| b842d904 |
2845 | TVectorD vPosG(3); //vertex position |
| 2846 | TVectorD vPosL(3); // vertex position in the TPC local system |
| 2847 | TVectorF vImpact(2); //track impact parameter |
| c9cbd2f2 |
2848 | // Double_t tofSignal= fCurrentTrack->GetTOFsignal(); // tof signal |
| b842d904 |
2849 | TVectorF tpcPosG(3); // global position of track at the middle of fXmiddle |
| 2850 | Double_t lphi = TMath::ATan2(pyf[0],fXmiddle); // expected local phi angle - if vertex at 0 |
| 2851 | Double_t gphi = 2.*TMath::Pi()*(isec%18+0.5)/18.+lphi; // expected global phi if vertex at 0 |
| 2852 | Double_t ky = pyf[0]/fXmiddle; |
| 2853 | Double_t kyE =0, kzE=0; // ky and kz expected |
| 2854 | Double_t alpha =2.*TMath::Pi()*(isec%18+0.5)/18.; |
| 2855 | Double_t scos=TMath::Cos(alpha); |
| 2856 | Double_t ssin=TMath::Sin(alpha); |
| 2857 | const AliESDVertex* vertex = fCurrentEvent->GetPrimaryVertexTracks(); |
| 2858 | vertex->GetXYZ(vPosG.GetMatrixArray()); |
| 2859 | fCurrentTrack->GetImpactParameters(vImpact[0],vImpact[1]); // track impact parameters |
| 2860 | // |
| 2861 | tpcPosG[0]= scos*fXmiddle-ssin*pyf[0]; |
| 2862 | tpcPosG[1]=+ssin*fXmiddle+scos*pyf[0]; |
| 2863 | tpcPosG[2]=pzf[0]; |
| 2864 | vPosL[0]= scos*vPosG[0]+ssin*vPosG[1]; |
| 2865 | vPosL[1]=-ssin*vPosG[0]+scos*vPosG[1]; |
| 2866 | vPosL[2]= vPosG[2]; |
| 2867 | kyE = (pyf[0]-vPosL[1])/(fXmiddle-vPosL[0]); |
| 2868 | kzE = (pzf[0]-vPosL[2])/(fXmiddle-vPosL[0]); |
| 2869 | // |
| 2870 | // get constrained parameters |
| 2871 | // |
| 2872 | Double_t xvertex=vPosL[0]-fXmiddle; |
| 5b7417d2 |
2873 | fyf.AddPoint(&xvertex,vPosL[1], 0.00001); |
| 2874 | fzf.AddPoint(&xvertex,vPosL[2], 2.); |
| b842d904 |
2875 | fyf.Eval(); |
| 2876 | fyf.GetParameters(pyfc); |
| 2877 | fzf.Eval(); |
| 2878 | fzf.GetParameters(pzfc); |
| 2879 | // |
| 2880 | // |
| 774a5ee9 |
2881 | // Make Fitters and params for 5 fitters |
| 2882 | // 1-4 OROC quadrants |
| 2883 | // 0 IROC |
| 2884 | // |
| 4486a91f |
2885 | static TLinearFitter *fittersY[5]={0,0,0,0,0}; // calgrind recomendation - fater to clear points |
| 2886 | static TLinearFitter *fittersZ[5]={0,0,0,0,0}; // than create the fitter |
| 2887 | if (fittersY[0]==0){ |
| 2888 | for (Int_t i=0;i<5;i++) { |
| 2889 | fittersY[i] = new TLinearFitter(2,"pol1"); |
| 2890 | fittersZ[i] = new TLinearFitter(2,"pol1"); |
| 2891 | } |
| 2892 | } |
| 2893 | // |
| 774a5ee9 |
2894 | Int_t npoints[5]; |
| 2895 | TVectorD paramsY[5]; |
| 2896 | TVectorD errorsY[5]; |
| 2897 | TMatrixD covY[5]; |
| 2898 | Double_t chi2CY[5]; |
| 2899 | TVectorD paramsZ[5]; |
| 2900 | TVectorD errorsZ[5]; |
| 2901 | TMatrixD covZ[5]; |
| 2902 | Double_t chi2CZ[5]; |
| 2903 | for (Int_t i=0;i<5;i++) { |
| 2904 | npoints[i]=0; |
| 774a5ee9 |
2905 | paramsY[i].ResizeTo(2); |
| 2906 | errorsY[i].ResizeTo(2); |
| 2907 | covY[i].ResizeTo(2,2); |
| 774a5ee9 |
2908 | paramsZ[i].ResizeTo(2); |
| 2909 | errorsZ[i].ResizeTo(2); |
| 2910 | covZ[i].ResizeTo(2,2); |
| 4486a91f |
2911 | fittersY[i]->ClearPoints(); |
| 2912 | fittersZ[i]->ClearPoints(); |
| 774a5ee9 |
2913 | } |
| 2914 | // |
| 2915 | // Update fitters |
| 2916 | // |
| b842d904 |
2917 | Int_t countRes=0; |
| 2918 | for (Int_t irow=0;irow<159;irow++) { |
| 774a5ee9 |
2919 | AliTPCclusterMI *c=track->GetClusterPointer(irow); |
| 2920 | if (!c) continue; |
| 2921 | if ((c->GetDetector()%36)!=isec) continue; |
| 774a5ee9 |
2922 | Double_t dx = c->GetX()-fXmiddle; |
| 2923 | Double_t x[2]={dx, dx*dx}; |
| 2924 | Double_t yfit = pyf[0]+pyf[1]*dx; |
| b842d904 |
2925 | Double_t zfit = pzf[0]+pzf[1]*dx; |
| 2926 | Double_t yfitC = pyfc[0]+pyfc[1]*dx; |
| 2927 | Double_t zfitC = pzfc[0]+pzfc[1]*dx; |
| 774a5ee9 |
2928 | Double_t dedge = c->GetX()*TMath::Tan(TMath::Pi()/18.)-TMath::Abs(yfit); |
| 2929 | if (TMath::Abs(c->GetY()-yfit)>kMaxDist) continue; |
| b842d904 |
2930 | if (TMath::Abs(c->GetZ()-zfit)>kMaxDist) continue; |
| 774a5ee9 |
2931 | if (dedge<kedgey) continue; |
| 2932 | Double_t corrtrY = |
| 2933 | corr->RPhiCOGCorrection(c->GetDetector(),c->GetRow(), c->GetPad(), |
| 2934 | c->GetY(),yfit, c->GetZ(), pyf[1], c->GetMax(),2.5); |
| 2935 | if (TMath::Abs(corrtrY)>kMaxCorrY) continue; |
| b842d904 |
2936 | // |
| 2937 | vecX[countRes]=c->GetX(); |
| 2938 | vecY[countRes]=c->GetY()-yfit; |
| 2939 | vecZ[countRes]=c->GetZ()-zfit; |
| 2940 | countRes++; |
| 2941 | // |
| 2942 | // Fill THnSparse cluster residuals |
| 2943 | // use only primary candidates with ITS signal |
| 5b7417d2 |
2944 | if (fCurrentTrack->IsOn(0x4)&&TMath::Abs(vImpact[0])<1&&TMath::Abs(vImpact[1])<1){ |
| b842d904 |
2945 | Double_t resVector[5]; |
| 2946 | resVector[1]= 9.*gphi/TMath::Pi(); |
| 287fbdfa |
2947 | resVector[2]= TMath::Sqrt(c->GetX()*c->GetX()+c->GetY()*c->GetY()); |
| 8847ede1 |
2948 | resVector[3]= c->GetZ()/resVector[2]; |
| b842d904 |
2949 | // |
| b842d904 |
2950 | // |
| 2951 | resVector[0]= c->GetY()-yfitC; |
| 5b7417d2 |
2952 | fClusterDelta[0]->Fill(resVector); |
| b842d904 |
2953 | resVector[0]= c->GetZ()-zfitC; |
| 5b7417d2 |
2954 | fClusterDelta[1]->Fill(resVector); |
| b842d904 |
2955 | } |
| 2956 | if (c->GetRow()<kdrow0Fit) continue; |
| 2957 | if (c->GetRow()>159-kdrow1Fit) continue; |
| 2958 | // |
| 2959 | |
| 774a5ee9 |
2960 | if (c->GetDetector()>35){ |
| 2961 | if (c->GetX()<fXquadrant){ |
| 2962 | if (yfit<-kPRFWidth) fittersY[1]->AddPoint(x,c->GetY(),0.1); |
| 2963 | if (yfit<-kPRFWidth) fittersZ[1]->AddPoint(x,c->GetZ(),0.1); |
| 2964 | if (yfit>kPRFWidth) fittersY[2]->AddPoint(x,c->GetY(),0.1); |
| 2965 | if (yfit>kPRFWidth) fittersZ[2]->AddPoint(x,c->GetZ(),0.1); |
| 2966 | } |
| 2967 | if (c->GetX()>fXquadrant){ |
| 2968 | if (yfit<-kPRFWidth) fittersY[3]->AddPoint(x,c->GetY(),0.1); |
| 2969 | if (yfit<-kPRFWidth) fittersZ[3]->AddPoint(x,c->GetZ(),0.1); |
| 2970 | if (yfit>kPRFWidth) fittersY[4]->AddPoint(x,c->GetY(),0.1); |
| 2971 | if (yfit>kPRFWidth) fittersZ[4]->AddPoint(x,c->GetZ(),0.1); |
| 2972 | } |
| 2973 | } |
| 2974 | if (c->GetDetector()<36){ |
| 2975 | fittersY[0]->AddPoint(x,c->GetY(),0.1); |
| 2976 | fittersZ[0]->AddPoint(x,c->GetZ(),0.1); |
| 2977 | } |
| 2978 | } |
| 2979 | // |
| 2980 | // |
| 2981 | // |
| 2982 | for (Int_t i=0;i<5;i++) { |
| 2983 | npoints[i] = fittersY[i]->GetNpoints(); |
| 2984 | if (npoints[i]>=kMinClusterQ){ |
| 2985 | // Y fit |
| 2986 | fittersY[i]->Eval(); |
| 2987 | Double_t chi2FacY = TMath::Sqrt(fittersY[i]->GetChisquare()/(fittersY[i]->GetNpoints()-2)); |
| 2988 | chi2CY[i]=chi2FacY; |
| 2989 | fittersY[i]->GetParameters(paramsY[i]); |
| 2990 | fittersY[i]->GetErrors(errorsY[i]); |
| 2991 | fittersY[i]->GetCovarianceMatrix(covY[i]); |
| 2992 | // renormalize errors |
| 2993 | errorsY[i][0]*=chi2FacY; |
| 2994 | errorsY[i][1]*=chi2FacY; |
| 2995 | covY[i](0,0)*=chi2FacY*chi2FacY; |
| 2996 | covY[i](0,1)*=chi2FacY*chi2FacY; |
| 2997 | covY[i](1,0)*=chi2FacY*chi2FacY; |
| 2998 | covY[i](1,1)*=chi2FacY*chi2FacY; |
| 2999 | // Z fit |
| 3000 | fittersZ[i]->Eval(); |
| 3001 | Double_t chi2FacZ = TMath::Sqrt(fittersZ[i]->GetChisquare()/(fittersZ[i]->GetNpoints()-2)); |
| 3002 | chi2CZ[i]=chi2FacZ; |
| 3003 | fittersZ[i]->GetParameters(paramsZ[i]); |
| 3004 | fittersZ[i]->GetErrors(errorsZ[i]); |
| 3005 | fittersZ[i]->GetCovarianceMatrix(covZ[i]); |
| 3006 | // renormalize errors |
| 3007 | errorsZ[i][0]*=chi2FacZ; |
| 3008 | errorsZ[i][1]*=chi2FacZ; |
| 3009 | covZ[i](0,0)*=chi2FacZ*chi2FacZ; |
| 3010 | covZ[i](0,1)*=chi2FacZ*chi2FacZ; |
| 3011 | covZ[i](1,0)*=chi2FacZ*chi2FacZ; |
| 3012 | covZ[i](1,1)*=chi2FacZ*chi2FacZ; |
| 3013 | } |
| 3014 | } |
| 774a5ee9 |
3015 | // |
| 3016 | // void UpdateSectorKalman |
| 3017 | // |
| 3018 | for (Int_t i0=0;i0<5;i0++){ |
| 3019 | for (Int_t i1=i0+1;i1<5;i1++){ |
| 3020 | if(npoints[i0]<kMinClusterQ) continue; |
| 3021 | if(npoints[i1]<kMinClusterQ) continue; |
| 3022 | TMatrixD v0(4,1),v1(4,1); // measurement |
| 3023 | TMatrixD cov0(4,4),cov1(4,4); // covariance |
| 3024 | // |
| 3025 | v0(0,0)= paramsY[i0][0]; v1(0,0)= paramsY[i1][0]; |
| 3026 | v0(1,0)= paramsY[i0][1]; v1(1,0)= paramsY[i1][1]; |
| 3027 | v0(2,0)= paramsZ[i0][0]; v1(2,0)= paramsZ[i1][0]; |
| 3028 | v0(3,0)= paramsZ[i0][1]; v1(3,0)= paramsZ[i1][1]; |
| 3029 | //covariance i0 |
| 3030 | cov0(0,0) = covY[i0](0,0); |
| 3031 | cov0(1,1) = covY[i0](1,1); |
| 3032 | cov0(1,0) = covY[i0](1,0); |
| 3033 | cov0(0,1) = covY[i0](0,1); |
| 3034 | cov0(2,2) = covZ[i0](0,0); |
| 3035 | cov0(3,3) = covZ[i0](1,1); |
| 3036 | cov0(3,2) = covZ[i0](1,0); |
| 3037 | cov0(2,3) = covZ[i0](0,1); |
| 3038 | //covariance i1 |
| 3039 | cov1(0,0) = covY[i1](0,0); |
| 3040 | cov1(1,1) = covY[i1](1,1); |
| 3041 | cov1(1,0) = covY[i1](1,0); |
| 3042 | cov1(0,1) = covY[i1](0,1); |
| 3043 | cov1(2,2) = covZ[i1](0,0); |
| 3044 | cov1(3,3) = covZ[i1](1,1); |
| 3045 | cov1(3,2) = covZ[i1](1,0); |
| 3046 | cov1(2,3) = covZ[i1](0,1); |
| 3047 | // |
| 3048 | // And now update |
| 3049 | // |
| 3050 | if (TMath::Abs(pyf[1])<0.8){ //angular cut |
| 3051 | UpdateSectorKalman(isec, i0,i1, &v0,&cov0,&v1,&cov1); |
| 3052 | } |
| 3053 | } |
| 3054 | } |
| 108953e9 |
3055 | |
| 774a5ee9 |
3056 | // |
| 3057 | // Dump debug information |
| 3058 | // |
| b842d904 |
3059 | if (fStreamLevel>0){ |
| 3060 | // get vertex position |
| 3061 | // |
| 3062 | TTreeSRedirector *cstream = GetDebugStreamer(); |
| 3063 | |
| 3064 | |
| 774a5ee9 |
3065 | if (cstream){ |
| 3066 | for (Int_t i0=0;i0<5;i0++){ |
| 3067 | for (Int_t i1=i0;i1<5;i1++){ |
| 3068 | if (i0==i1) continue; |
| 3069 | if(npoints[i0]<kMinClusterQ) continue; |
| 3070 | if(npoints[i1]<kMinClusterQ) continue; |
| 3071 | (*cstream)<<"sectorAlign"<< |
| 3072 | "run="<<fRun<< // run number |
| 3073 | "event="<<fEvent<< // event number |
| 3074 | "time="<<fTime<< // time stamp of event |
| 3075 | "trigger="<<fTrigger<< // trigger |
| 3076 | "triggerClass="<<&fTriggerClass<< // trigger |
| 3077 | "mag="<<fMagF<< // magnetic field |
| 3078 | "isec="<<isec<< // current sector |
| b842d904 |
3079 | // |
| 3080 | "xref="<<fXmiddle<< // reference X |
| 3081 | "vPosG.="<<&vPosG<< // vertex position in global system |
| 3082 | "vPosL.="<<&vPosL<< // vertex position in local system |
| 3083 | "vImpact.="<<&vImpact<< // track impact parameter |
| 5647625c |
3084 | //"tofSignal="<<tofSignal<< // tof signal |
| b842d904 |
3085 | "tpcPosG.="<<&tpcPosG<< // global position of track at the middle of fXmiddle |
| 3086 | "lphi="<<lphi<< // expected local phi angle - if vertex at 0 |
| 3087 | "gphi="<<gphi<< // expected global phi if vertex at 0 |
| 3088 | "ky="<<ky<< |
| 3089 | "kyE="<<kyE<< // expect ky - assiming pirmary track |
| 3090 | "kzE="<<kzE<< // expected kz - assuming primary tracks |
| 3091 | "salpha="<<alpha<< // sector alpha |
| 3092 | "scos="<<scos<< // tracking cosinus |
| 3093 | "ssin="<<ssin<< // tracking sinus |
| 3094 | // |
| 774a5ee9 |
3095 | // full fit |
| b842d904 |
3096 | // |
| 774a5ee9 |
3097 | "nf="<<nf<< // total number of points |
| 3098 | "pyf.="<<&pyf<< // full OROC fit y |
| 3099 | "pzf.="<<&pzf<< // full OROC fit z |
| b842d904 |
3100 | "vX.="<<&vecX<< // x cluster |
| 3101 | "vY.="<<&vecY<< // y residual cluster |
| 3102 | "vZ.="<<&vecZ<< // z residual cluster |
| 774a5ee9 |
3103 | // quadrant and IROC fit |
| 3104 | "i0="<<i0<< // quadrant number |
| 3105 | "i1="<<i1<< |
| 3106 | "n0="<<npoints[i0]<< // number of points |
| 3107 | "n1="<<npoints[i1]<< |
| 3108 | // |
| 3109 | "py0.="<<¶msY[i0]<< // parameters |
| 3110 | "py1.="<<¶msY[i1]<< |
| 3111 | "ey0.="<<&errorsY[i0]<< // errors |
| 3112 | "ey1.="<<&errorsY[i1]<< |
| 3113 | "chiy0="<<chi2CY[i0]<< // chi2s |
| 3114 | "chiy1="<<chi2CY[i1]<< |
| 3115 | // |
| 3116 | "pz0.="<<¶msZ[i0]<< // parameters |
| 3117 | "pz1.="<<¶msZ[i1]<< |
| 3118 | "ez0.="<<&errorsZ[i0]<< // errors |
| 3119 | "ez1.="<<&errorsZ[i1]<< |
| 3120 | "chiz0="<<chi2CZ[i0]<< // chi2s |
| 3121 | "chiz1="<<chi2CZ[i1]<< |
| 3122 | "\n"; |
| 3123 | } |
| 3124 | } |
| 3125 | } |
| 3126 | } |
| 3127 | } |
| bb6bc8f6 |
3128 | |
| 3326b323 |
3129 | 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 |
3130 | // |
| 3131 | // |
| 3132 | // tracks are refitted at sector middle |
| 3133 | // |
| 3134 | if (fArraySectorIntParam.At(0)==NULL) MakeSectorKalman(); |
| 3135 | // |
| 3136 | // |
| 3137 | static TMatrixD matHk(4,30); // vector to mesurement |
| 3138 | static TMatrixD measR(4,4); // measurement error |
| 3139 | // static TMatrixD matQk(2,2); // prediction noise vector |
| 3140 | static TMatrixD vecZk(4,1); // measurement |
| 3141 | // |
| 3142 | static TMatrixD vecYk(4,1); // Innovation or measurement residual |
| 3143 | static TMatrixD matHkT(30,4); // helper matrix Hk transpose |
| 3144 | static TMatrixD matSk(4,4); // Innovation (or residual) covariance |
| 3145 | static TMatrixD matKk(30,4); // Optimal Kalman gain |
| 3146 | static TMatrixD mat1(30,30); // update covariance matrix |
| 3147 | static TMatrixD covXk2(30,30); // helper matrix |
| 3148 | // |
| 3149 | TMatrixD *vOrig = (TMatrixD*)(fArraySectorIntParam.At(sector)); |
| 3150 | TMatrixD *cOrig = (TMatrixD*)(fArraySectorIntCovar.At(sector)); |
| 3151 | // |
| 3152 | TMatrixD vecXk(*vOrig); // X vector |
| 3153 | TMatrixD covXk(*cOrig); // X covariance |
| 3154 | // |
| 3155 | //Unit matrix |
| 3156 | // |
| 3157 | for (Int_t i=0;i<30;i++) |
| 3158 | for (Int_t j=0;j<30;j++){ |
| 3159 | mat1(i,j)=0; |
| 3160 | if (i==j) mat1(i,j)=1; |
| 3161 | } |
| 3162 | // |
| 3163 | // |
| 3164 | // matHk - vector to measurement |
| 3165 | // |
| 3166 | for (Int_t i=0;i<4;i++) |
| 3167 | for (Int_t j=0;j<30;j++){ |
| 3168 | matHk(i,j)=0; |
| 3169 | } |
| 3170 | // |
| 3171 | // Measurement |
| 3172 | // 0 - y |
| 3173 | // 1 - ky |
| 3174 | // 2 - z |
| 3175 | // 3 - kz |
| 3176 | |
| 3177 | matHk(0,6*quadrant1+4) = 1.; // delta y |
| 3178 | matHk(1,6*quadrant1+0) = 1.; // delta ky |
| 3179 | matHk(2,6*quadrant1+5) = 1.; // delta z |
| 3180 | matHk(3,6*quadrant1+1) = 1.; // delta kz |
| 3181 | // bug fix 24.02 - aware of sign in dx |
| 3182 | matHk(0,6*quadrant1+3) = -(*p0)(1,0); // delta x to delta y - through ky |
| 3183 | matHk(2,6*quadrant1+3) = -(*p0)(3,0); // delta x to delta z - thorugh kz |
| 3184 | matHk(2,6*quadrant1+2) = ((*p0)(0,0)); // y to delta z - through psiz |
| 3185 | // |
| 3186 | matHk(0,6*quadrant0+4) = -1.; // delta y |
| 3187 | matHk(1,6*quadrant0+0) = -1.; // delta ky |
| 3188 | matHk(2,6*quadrant0+5) = -1.; // delta z |
| 3189 | matHk(3,6*quadrant0+1) = -1.; // delta kz |
| 3190 | // bug fix 24.02 be aware of sign in dx |
| 3191 | matHk(0,6*quadrant0+3) = ((*p0)(1,0)); // delta x to delta y - through ky |
| 3192 | matHk(2,6*quadrant0+3) = ((*p0)(3,0)); // delta x to delta z - thorugh kz |
| 3193 | matHk(2,6*quadrant0+2) = -((*p0)(0,0)); // y to delta z - through psiz |
| bb6bc8f6 |
3194 | |
| 774a5ee9 |
3195 | // |
| 3196 | // |
| 3197 | |
| 3198 | vecZk =(*p1)-(*p0); // measurement |
| 3199 | measR =(*c1)+(*c0); // error of measurement |
| 3200 | vecYk = vecZk-matHk*vecXk; // Innovation or measurement residual |
| 3201 | // |
| 3202 | // |
| 3203 | matHkT=matHk.T(); matHk.T(); |
| 3204 | matSk = (matHk*(covXk*matHkT))+measR; // Innovation (or residual) covariance |
| 3205 | matSk.Invert(); |
| 3206 | matKk = (covXk*matHkT)*matSk; // Optimal Kalman gain |
| 3207 | vecXk += matKk*vecYk; // updated vector |
| 3208 | covXk2= (mat1-(matKk*matHk)); |
| 3209 | covXk = covXk2*covXk; |
| 3210 | // |
| 3211 | // |
| 3212 | (*cOrig)=covXk; |
| 3213 | (*vOrig)=vecXk; |
| 3214 | } |
| bb6bc8f6 |
3215 | |
| 774a5ee9 |
3216 | void AliTPCcalibAlign::MakeSectorKalman(){ |
| 3217 | // |
| 3218 | // Make a initial Kalman paramaters for IROC - Quadrants alignment |
| 3219 | // |
| 3220 | TMatrixD param(5*6,1); |
| 3221 | TMatrixD covar(5*6,5*6); |
| 3222 | // |
| 3223 | // Set inital parameters |
| 3224 | // |
| 3225 | for (Int_t ip=0;ip<5*6;ip++) param(ip,0)=0; // mean alignment to 0 |
| 3226 | // |
| 3227 | for (Int_t iq=0;iq<5;iq++){ |
| 3228 | // Initial uncertinty |
| 3229 | covar(iq*6+0,iq*6+0) = 0.002*0.002; // 2 mrad |
| 3230 | covar(iq*6+1,iq*6+1) = 0.002*0.002; // 2 mrad rotation |
| 3231 | covar(iq*6+2,iq*6+2) = 0.002*0.002; // 2 mrad |
| 3232 | // |
| 3233 | covar(iq*6+3,iq*6+3) = 0.02*0.02; // 0.2 mm |
| 3234 | covar(iq*6+4,iq*6+4) = 0.02*0.02; // 0.2 mm translation |
| 3235 | covar(iq*6+5,iq*6+5) = 0.02*0.02; // 0.2 mm |
| 3236 | } |
| bb6bc8f6 |
3237 | |
| 774a5ee9 |
3238 | for (Int_t isec=0;isec<36;isec++){ |
| 3239 | fArraySectorIntParam.AddAt(param.Clone(),isec); |
| 3240 | fArraySectorIntCovar.AddAt(covar.Clone(),isec); |
| 3241 | } |
| 3242 | } |
| 108953e9 |
3243 | |
| 774a5ee9 |
3244 | void AliTPCcalibAlign::UpdateSectorKalman(TMatrixD &par0, TMatrixD &cov0, TMatrixD &par1, TMatrixD &cov1){ |
| 3245 | // |
| 3246 | // Update kalman vector para0 with vector par1 |
| 3247 | // Used for merging |
| 3248 | // |
| 3249 | static TMatrixD matHk(30,30); // vector to mesurement |
| 3250 | static TMatrixD measR(30,30); // measurement error |
| 3251 | static TMatrixD vecZk(30,1); // measurement |
| 3252 | // |
| 3253 | static TMatrixD vecYk(30,1); // Innovation or measurement residual |
| 3254 | static TMatrixD matHkT(30,30); // helper matrix Hk transpose |
| 3255 | static TMatrixD matSk(30,30); // Innovation (or residual) covariance |
| 3256 | static TMatrixD matKk(30,30); // Optimal Kalman gain |
| 3257 | static TMatrixD mat1(30,30); // update covariance matrix |
| 3258 | static TMatrixD covXk2(30,30); // helper matrix |
| 3259 | // |
| 3260 | TMatrixD vecXk(par0); // X vector |
| 3261 | TMatrixD covXk(cov0); // X covariance |
| 108953e9 |
3262 | |
| 774a5ee9 |
3263 | // |
| 3264 | //Unit matrix |
| 3265 | // |
| 3266 | for (Int_t i=0;i<30;i++) |
| 3267 | for (Int_t j=0;j<30;j++){ |
| 3268 | mat1(i,j)=0; |
| 3269 | if (i==j) mat1(i,j)=1; |
| 3270 | } |
| 3271 | matHk = mat1; // unit matrix |
| 3272 | // |
| 3273 | vecZk = par1; // measurement |
| 3274 | measR = cov1; // error of measurement |
| 3275 | vecYk = vecZk-matHk*vecXk; // Innovation or measurement residual |
| 3276 | // |
| 3277 | matHkT=matHk.T(); matHk.T(); |
| 3278 | matSk = (matHk*(covXk*matHkT))+measR; // Innovation (or residual) covariance |
| 3279 | matSk.Invert(); |
| 3280 | matKk = (covXk*matHkT)*matSk; // Optimal Kalman gain |
| 3281 | //matKk.Print(); |
| 3282 | vecXk += matKk*vecYk; // updated vector |
| 3283 | covXk2= (mat1-(matKk*matHk)); |
| 3284 | covXk = covXk2*covXk; |
| 3285 | CheckCovariance(covXk); |
| 3286 | CheckCovariance(cov1); |
| 3287 | // |
| 3288 | par0 = vecXk; // update measurement param |
| 3289 | cov0 = covXk; // update measurement covar |
| 3290 | } |
| 108953e9 |
3291 | |
| 774a5ee9 |
3292 | Double_t AliTPCcalibAlign::GetCorrectionSector(Int_t coord, Int_t sector, Double_t lx, Double_t ly, Double_t /*lz*/){ |
| 3293 | // |
| 3294 | // Get position correction for given sector |
| 3295 | // |
| 108953e9 |
3296 | |
| 774a5ee9 |
3297 | TMatrixD * param = (TMatrixD*)fArraySectorIntParam.At(sector%36); |
| 3298 | if (!param) return 0; |
| 3299 | Int_t quadrant=0; |
| 3300 | if(lx>fXIO){ |
| 3301 | if (lx<fXquadrant) { |
| 3302 | if (ly<0) quadrant=1; |
| 3303 | if (ly>0) quadrant=2; |
| 3304 | } |
| 3305 | if (lx>fXquadrant) { |
| 3306 | if (ly<0) quadrant=3; |
| 3307 | if (ly>0) quadrant=4; |
| 3308 | } |
| 3309 | } |
| 3310 | Double_t a10 = (*param)(quadrant*6+0,0); |
| 3311 | Double_t a20 = (*param)(quadrant*6+1,0); |
| 3312 | Double_t a21 = (*param)(quadrant*6+2,0); |
| 3313 | Double_t dx = (*param)(quadrant*6+3,0); |
| 3314 | Double_t dy = (*param)(quadrant*6+4,0); |
| 3315 | Double_t dz = (*param)(quadrant*6+5,0); |
| 3316 | Double_t deltaX = lx-fXIO; |
| 3317 | if (coord==0) return dx; |
| 3318 | if (coord==1) return dy+deltaX*a10; |
| 3319 | if (coord==2) return dz+deltaX*a20+ly*a21; |
| 3320 | return 0; |
| 3321 | } |
| 108953e9 |
3322 | |
| 774a5ee9 |
3323 | Double_t AliTPCcalibAlign::SGetCorrectionSector(Int_t coord, Int_t sector, Double_t lx, Double_t ly, Double_t lz){ |
| 3324 | // |
| 3325 | // |
| 3326 | // |
| 3327 | if (!Instance()) return 0; |
| 3328 | return Instance()->GetCorrectionSector(coord,sector,lx,ly,lz); |
| 3329 | } |
| 108953e9 |
3330 | |
| 774a5ee9 |
3331 | void AliTPCcalibAlign::MakeKalman(){ |
| 3332 | // |
| 3333 | // Make a initial Kalman paramaters for sector Alignemnt |
| 3334 | // |
| 3335 | fSectorParamA = new TMatrixD(6*36+6,1); |
| 3336 | fSectorParamC = new TMatrixD(6*36+6,1); |
| 3337 | fSectorCovarA = new TMatrixD(6*36+6,6*36+6); |
| 3338 | fSectorCovarC = new TMatrixD(6*36+6,6*36+6); |
| 3339 | // |
| 3340 | // set starting parameters at 0 |
| 3341 | // |
| 3342 | for (Int_t isec=0;isec<37;isec++) |
| 3343 | for (Int_t ipar=0;ipar<6;ipar++){ |
| 3344 | (*fSectorParamA)(isec*6+ipar,0) =0; |
| 3345 | (*fSectorParamC)(isec*6+ipar,0) =0; |
| 3346 | } |
| 3347 | // |
| 3348 | // set starting covariance |
| 3349 | // |
| 3350 | for (Int_t isec=0;isec<36;isec++) |
| 3351 | for (Int_t ipar=0;ipar<6;ipar++){ |
| 3352 | if (ipar<3){ |
| 3353 | (*fSectorCovarA)(isec*6+ipar,isec*6+ipar) =0.002*0.002; // 2 mrad |
| 3354 | (*fSectorCovarC)(isec*6+ipar,isec*6+ipar) =0.002*0.002; |
| 3355 | } |
| 3356 | if (ipar>=3){ |
| 3357 | (*fSectorCovarA)(isec*6+ipar,isec*6+ipar) =0.02*0.02; // 0.2 mm |
| 3358 | (*fSectorCovarC)(isec*6+ipar,isec*6+ipar) =0.02*0.02; |
| 3359 | } |
| 3360 | } |
| 3361 | (*fSectorCovarA)(36*6+0,36*6+0) =0.04; // common shift y up-up |
| 3362 | (*fSectorCovarA)(36*6+1,36*6+1) =0.04; // common shift y down-down |
| 3363 | (*fSectorCovarA)(36*6+2,36*6+2) =0.04; // common shift y up-down |
| 3364 | (*fSectorCovarA)(36*6+3,36*6+3) =0.004; // common shift phi up-up |
| 3365 | (*fSectorCovarA)(36*6+4,36*6+4) =0.004; // common shift phi down-down |
| 3366 | (*fSectorCovarA)(36*6+5,36*6+5) =0.004; // common shift phi up-down |
| 3367 | // |
| 3368 | (*fSectorCovarC)(36*6+0,36*6+0) =0.04; // common shift y up-up |
| 3369 | (*fSectorCovarC)(36*6+1,36*6+1) =0.04; // common shift y down-down |
| 3370 | (*fSectorCovarC)(36*6+2,36*6+2) =0.04; // common shift y up-down |
| 3371 | (*fSectorCovarC)(36*6+3,36*6+3) =0.004; // common shift phi up-up |
| 3372 | (*fSectorCovarC)(36*6+4,36*6+4) =0.004; // common shift phi down-down |
| 3373 | (*fSectorCovarC)(36*6+5,36*6+5) =0.004; // common shift phi up-down |
| 3374 | } |
| 108953e9 |
3375 | |
| 774a5ee9 |
3376 | void AliTPCcalibAlign::UpdateKalman(Int_t sector0, Int_t sector1, TMatrixD &p0, TMatrixD &c0, TMatrixD &p1, TMatrixD &c1){ |
| 3377 | // |
| 3378 | // Update Kalman parameters |
| 3379 | // Note numbering from 0..36 0..17 IROC 18..35 OROC |
| 3380 | // |
| 3381 | // |
| 3382 | if (fSectorParamA==NULL) MakeKalman(); |
| 3383 | if (CheckCovariance(c0)>0) return; |
| 3384 | if (CheckCovariance(c1)>0) return; |
| 3385 | const Int_t nelem = 6*36+6; |
| 3386 | // |
| 3387 | // |
| 3388 | static TMatrixD matHk(4,nelem); // vector to mesurement |
| 3389 | static TMatrixD measR(4,4); // measurement error |
| 3390 | static TMatrixD vecZk(4,1); // measurement |
| 3391 | // |
| 3392 | static TMatrixD vecYk(4,1); // Innovation or measurement residual |
| 3393 | static TMatrixD matHkT(nelem,4); // helper matrix Hk transpose |
| 3394 | static TMatrixD matSk(4,4); // Innovation (or residual) covariance |
| 3395 | static TMatrixD matKk(nelem,4); // Optimal Kalman gain |
| 3396 | static TMatrixD mat1(nelem,nelem); // update covariance matrix |
| 3397 | static TMatrixD covXk2(nelem,nelem); // helper matrix |
| 3398 | // |
| 3399 | TMatrixD *vOrig = 0; |
| 3400 | TMatrixD *cOrig = 0; |
| 3401 | vOrig = (sector0%36>=18) ? fSectorParamA:fSectorParamC; |
| 3402 | cOrig = (sector0%36>=18) ? fSectorCovarA:fSectorCovarC; |
| 3403 | // |
| 3404 | Int_t sec0= sector0%18; |
| 3405 | Int_t sec1= sector1%18; |
| 3406 | if (sector0>35) sec0+=18; |
| 3407 | if (sector1>35) sec1+=18; |
| 3408 | // |
| 3409 | TMatrixD vecXk(*vOrig); // X vector |
| 3410 | TMatrixD covXk(*cOrig); // X covariance |
| 3411 | // |
| 3412 | //Unit matrix |
| 3413 | // |
| 3414 | for (Int_t i=0;i<nelem;i++) |
| 3415 | for (Int_t j=0;j<nelem;j++){ |
| 3416 | mat1(i,j)=0; |
| 3417 | if (i==j) mat1(i,j)=1; |
| 3418 | } |
| 3419 | // |
| 3420 | // |
| 3421 | // matHk - vector to measurement |
| 3422 | // |
| 3423 | for (Int_t i=0;i<4;i++) |
| 3424 | for (Int_t j=0;j<nelem;j++){ |
| 3425 | matHk(i,j)=0; |
| 3426 | } |
| 3427 | // |
| 3428 | // Measurement |
| 3429 | // 0 - y |
| 3430 | // 1 - ky |
| 3431 | // 2 - z |
| 3432 | // 3 - kz |
| 3433 | |
| 3434 | matHk(0,6*sec1+4) = 1.; // delta y |
| 3435 | matHk(1,6*sec1+0) = 1.; // delta ky |
| 3436 | matHk(2,6*sec1+5) = 1.; // delta z |
| 3437 | matHk(3,6*sec1+1) = 1.; // delta kz |
| 3438 | matHk(0,6*sec1+3) = p0(1,0); // delta x to delta y - through ky |
| 3439 | matHk(2,6*sec1+3) = p0(3,0); // delta x to delta z - thorugh kz |
| 3440 | matHk(2,6*sec1+2) = p0(0,0); // y to delta z - through psiz |
| 3441 | // |
| 3442 | matHk(0,6*sec0+4) = -1.; // delta y |
| 3443 | matHk(1,6*sec0+0) = -1.; // delta ky |
| 3444 | matHk(2,6*sec0+5) = -1.; // delta z |
| 3445 | matHk(3,6*sec0+1) = -1.; // delta kz |
| 3446 | matHk(0,6*sec0+3) = -p0(1,0); // delta x to delta y - through ky |
| 3447 | matHk(2,6*sec0+3) = -p0(3,0); // delta x to delta z - thorugh kz |
| 3448 | matHk(2,6*sec0+2) = -p0(0,0); // y to delta z - through psiz |
| 3449 | |
| 3450 | Int_t dsec = (sector1%18)-(sector0%18); |
| 3451 | if (dsec<-2) dsec+=18; |
| 3452 | if (TMath::Abs(dsec)==1){ |
| 3453 | // |
| 3454 | // Left right systematic fit part |
| 3455 | // |
| 3456 | Double_t dir = 0; |
| 3457 | if (dsec>0) dir= 1.; |
| 3458 | if (dsec<0) dir=-1.; |
| 3459 | if (sector0>35&§or1>35){ |
| 3460 | matHk(0,36*6+0)=dir; |
| 3461 | matHk(1,36*6+3+0)=dir; |
| 3462 | } |
| 3463 | if (sector0<36&§or1<36){ |
| 3464 | matHk(0,36*6+1)=dir; |
| 3465 | matHk(1,36*6+3+1)=dir; |
| 3466 | } |
| 3467 | if (sector0<36&§or1>35){ |
| 3468 | matHk(0,36*6+2)=dir; |
| 3469 | matHk(1,36*6+3+2)=dir; |
| 3470 | } |
| 3471 | if (sector0>35&§or1<36){ |
| 3472 | matHk(0,36*6+2)=-dir; |
| 3473 | matHk(1,36*6+3+2)=-dir; |
| 3474 | } |
| 3475 | } |
| 3476 | // |
| 3477 | // |
| 3478 | vecZk =(p1)-(p0); // measurement |
| 3479 | measR =(c1)+(c0); // error of measurement |
| 3480 | vecYk = vecZk-matHk*vecXk; // Innovation or measurement residual |
| 3481 | // |
| 3482 | // |
| 3483 | matHkT=matHk.T(); matHk.T(); |
| 3484 | matSk = (matHk*(covXk*matHkT))+measR; // Innovation (or residual) covariance |
| 3485 | matSk.Invert(); |
| 3486 | matKk = (covXk*matHkT)*matSk; // Optimal Kalman gain |
| 3487 | vecXk += matKk*vecYk; // updated vector |
| 3488 | covXk2= (mat1-(matKk*matHk)); |
| 3489 | covXk = covXk2*covXk; |
| 108953e9 |
3490 | |
| 774a5ee9 |
3491 | if (CheckCovariance(covXk)>0) return; |
| 6f387311 |
3492 | |
| 774a5ee9 |
3493 | // |
| 3494 | // |
| 3495 | (*cOrig)=covXk; |
| 3496 | (*vOrig)=vecXk; |
| 3497 | } |
| 6f387311 |
3498 | |
| 3499 | |
| 774a5ee9 |
3500 | void AliTPCcalibAlign::UpdateKalman(TMatrixD &par0, TMatrixD &cov0, TMatrixD &par1, TMatrixD &cov1){ |
| 3501 | // |
| 3502 | // Update kalman vector para0 with vector par1 |
| 3503 | // Used for merging |
| 3504 | // |
| 3505 | Int_t nelem = 6*36+6; |
| 3506 | static TMatrixD matHk(nelem,nelem); // vector to mesurement |
| 3507 | static TMatrixD measR(nelem,nelem); // measurement error |
| 3508 | static TMatrixD vecZk(nelem,1); // measurement |
| 3509 | // |
| 3510 | static TMatrixD vecYk(nelem,1); // Innovation or measurement residual |
| 3511 | static TMatrixD matHkT(nelem,nelem); // helper matrix Hk transpose |
| 3512 | static TMatrixD matSk(nelem,nelem); // Innovation (or residual) covariance |
| 3513 | static TMatrixD matKk(nelem,nelem); // Optimal Kalman gain |
| 3514 | static TMatrixD mat1(nelem,nelem); // update covariance matrix |
| 3515 | static TMatrixD covXk2(nelem,nelem); // helper matrix |
| 3516 | // |
| 3517 | TMatrixD vecXk(par0); // X vector |
| 3518 | TMatrixD covXk(cov0); // X covariance |
| 3519 | |
| 3520 | // |
| 3521 | //Unit matrix |
| 3522 | // |
| 3523 | for (Int_t i=0;i<nelem;i++) |
| 3524 | for (Int_t j=0;j<nelem;j++){ |
| 3525 | mat1(i,j)=0; |
| 3526 | if (i==j) mat1(i,j)=1; |
| 3527 | } |
| 3528 | matHk = mat1; // unit matrix |
| 3529 | // |
| 3530 | vecZk = par1; // measurement |
| 3531 | measR = cov1; // error of measurement |
| 3532 | vecYk = vecZk-matHk*vecXk; // Innovation or measurement residual |
| 3533 | // |
| 3534 | matHkT=matHk.T(); matHk.T(); |
| 3535 | matSk = (matHk*(covXk*matHkT))+measR; // Innovation (or residual) covariance |
| 3536 | matSk.Invert(); |
| 3537 | matKk = (covXk*matHkT)*matSk; // Optimal Kalman gain |
| 3538 | //matKk.Print(); |
| 3539 | vecXk += matKk*vecYk; // updated vector |
| 3540 | covXk2= (mat1-(matKk*matHk)); |
| 3541 | covXk = covXk2*covXk; |
| 3542 | // |
| 3543 | CheckCovariance(cov0); |
| 3544 | CheckCovariance(cov1); |
| 3545 | CheckCovariance(covXk); |
| 3546 | // |
| 3547 | par0 = vecXk; // update measurement param |
| 3548 | cov0 = covXk; // update measurement covar |
| 3549 | } |
| 6f387311 |
3550 | |
| 3551 | |
| 6f387311 |
3552 | |
| 6f387311 |
3553 | |
| 774a5ee9 |
3554 | Int_t AliTPCcalibAlign::CheckCovariance(TMatrixD &covar){ |
| 3555 | // |
| 3556 | // check the consistency of covariance matrix |
| 3557 | // |
| 3558 | Int_t ncols = covar.GetNcols(); |
| 3559 | Int_t nrows= covar.GetNrows(); |
| 3560 | const Float_t kEpsilon = 0.0001; |
| 3561 | Int_t nerrors =0; |
| 3562 | // |
| 3563 | // |
| 3564 | // |
| 3565 | if (nrows!=ncols) { |
| 3566 | printf("Error 0 - wrong matrix\n"); |
| 3567 | nerrors++; |
| 3568 | } |
| 3569 | // |
| 3570 | // 1. Check that the non diagonal elements |
| 3571 | // |
| 3572 | for (Int_t i0=0;i0<nrows;i0++) |
| 3573 | for (Int_t i1=i0+1;i1<ncols;i1++){ |
| 3574 | Double_t r0 = covar(i0,i1)/TMath::Sqrt(covar(i0,i0)*covar(i1,i1)); |
| 3575 | Double_t r1 = covar(i1,i0)/TMath::Sqrt(covar(i0,i0)*covar(i1,i1)); |
| 3576 | if (TMath::Abs(r0-r1)>kEpsilon){ |
| 3577 | printf("Error 1 - non symetric matrix %d\t%d\t%f",i0,i1,r1-r0); |
| 3578 | nerrors++; |
| 3579 | } |
| 3580 | if (TMath::Abs(r0)>=1){ |
| 3581 | printf("Error 2 - Wrong correlation %d\t%d\t%f\n",i0,i1,r0); |
| 3582 | nerrors++; |
| 3583 | } |
| 3584 | if (TMath::Abs(r1)>=1){ |
| 3585 | printf("Error 3 - Wrong correlation %d\t%d\t%f\n",i0,i1,r1); |
| 3586 | nerrors++; |
| 3587 | } |
| 3588 | } |
| 3589 | return nerrors; |
| 3590 | } |
| 6f387311 |
3591 | |
| 3592 | |
| 774a5ee9 |
3593 | |
| 3594 | void AliTPCcalibAlign::MakeReportDy(TFile *output){ |
| 3595 | // |
| 3596 | // Draw histogram of dY |
| 3597 | // |
| 3598 | Int_t kmicolors[10]={1,2,3,4,6,7,8,9,10,11}; |
| 3599 | Int_t kmimarkers[10]={21,22,23,24,25,26,27,28,29,30}; |
| 3600 | |
| 3601 | AliTPCcalibAlign *align = this; |
| 3602 | TVectorD vecOOP(36); |
| 3603 | TVectorD vecOOM(36); |
| 3604 | TVectorD vecOIP(36); |
| 3605 | TVectorD vecOIM(36); |
| 3606 | TVectorD vecOIS(36); |
| 3607 | TVectorD vecSec(36); |
| 3608 | TCanvas * cOROCdy = new TCanvas("OROC dy","OROC dy",900,600); |
| 3609 | cOROCdy->Divide(6,6); |
| 3610 | TCanvas * cIROCdy = new TCanvas("IROC dy","IROC dy",900,600); |
| 3611 | cIROCdy->Divide(6,6); |
| 3612 | TCanvas * cDy = new TCanvas("Dy","Dy",600,700); |
| 3613 | cDy->Divide(1,2); |
| 3614 | for (Int_t isec=0;isec<36;isec++){ |
| 3615 | Bool_t isDraw=kFALSE; |
| 3616 | vecSec(isec)=isec; |
| 3617 | cOROCdy->cd(isec+1); |
| 3618 | Int_t secPlus = (isec%18==17)? isec-17:isec+1; |
| 3619 | Int_t secMinus= (isec%18==0) ? isec+17:isec-1; |
| 3620 | printf("%d\t%d\t%d\n",isec,secPlus,secMinus); |
| 3621 | TH1 * hisOOP= align->GetHisto(AliTPCcalibAlign::kY,isec+36,secPlus+36); |
| 3622 | TH1 * hisOOM= align->GetHisto(AliTPCcalibAlign::kY,isec+36,secMinus+36); |
| 3623 | TH1 * hisOIS= align->GetHisto(AliTPCcalibAlign::kY,isec+36,isec); |
| 3624 | |
| 3625 | if (hisOIS) { |
| 3626 | hisOIS = (TH1F*)(hisOIS->Clone()); |
| 3627 | hisOIS->SetDirectory(0); |
| 3628 | hisOIS->Scale(1./(hisOIS->GetMaximum()+1)); |
| 3629 | hisOIS->SetLineColor(kmicolors[0]); |
| 3630 | hisOIS->Draw(); |
| 3631 | isDraw = kTRUE; |
| 3632 | vecOIS(isec)=10*hisOIS->GetMean(); |
| 3633 | } |
| 3634 | if (hisOOP) { |
| 3635 | hisOOP = (TH1F*)(hisOOP->Clone()); |
| 3636 | hisOOP->SetDirectory(0); |
| 3637 | hisOOP->Scale(1./(hisOOP->GetMaximum()+1)); |
| 3638 | hisOOP->SetLineColor(kmicolors[1]); |
| 3639 | if (isDraw) hisOOP->Draw("same"); |
| 3640 | if (!isDraw) {hisOOP->Draw(""); isDraw=kTRUE;} |
| 3641 | vecOOP(isec)=10*hisOOP->GetMean(); |
| 3642 | } |
| 3643 | if (hisOOM) { |
| 3644 | hisOOM = (TH1F*)(hisOOM->Clone()); |
| 3645 | hisOOM->SetDirectory(0); |
| 3646 | hisOOM->Scale(1/(hisOOM->GetMaximum()+1)); |
| 3647 | hisOOM->SetLineColor(kmicolors[3]); |
| 3648 | if (isDraw) hisOOM->Draw("same"); |
| 3649 | if (!isDraw) {hisOOM->Draw(""); isDraw=kTRUE;} |
| 3650 | vecOOM(isec)=10*hisOOM->GetMean(); |
| 3651 | } |
| 3652 | } |
| 3653 | // |
| 3654 | // |
| 3655 | for (Int_t isec=0;isec<36;isec++){ |
| 3656 | Bool_t isDraw=kFALSE; |
| 3657 | cIROCdy->cd(isec+1); |
| 3658 | Int_t secPlus = (isec%18==17)? isec-17:isec+1; |
| 3659 | Int_t secMinus= (isec%18==0) ? isec+17:isec-1; |
| 3660 | printf("%d\t%d\t%d\n",isec,secPlus,secMinus); |
| 3661 | TH1 * hisOIP= align->GetHisto(AliTPCcalibAlign::kY,isec+36,secPlus); |
| 3662 | TH1 * hisOIM= align->GetHisto(AliTPCcalibAlign::kY,isec+36,secMinus); |
| 3663 | TH1 * hisOIS= align->GetHisto(AliTPCcalibAlign::kY,isec+36,isec); |
| 3664 | if (hisOIS) { |
| 3665 | hisOIS = (TH1F*)(hisOIS->Clone()); |
| 3666 | hisOIS->SetDirectory(0); |
| 3667 | hisOIS->Scale(1./(hisOIS->GetMaximum()+1)); |
| 3668 | hisOIS->SetLineColor(kmicolors[0]); |
| 3669 | hisOIS->Draw(); |
| 3670 | isDraw = kTRUE; |
| 3671 | vecOIS(isec)=10*hisOIS->GetMean(); |
| 3672 | } |
| 3673 | if (hisOIP) { |
| 3674 | hisOIP = (TH1F*)(hisOIP->Clone()); |
| 3675 | hisOIP->SetDirectory(0); |
| 3676 | hisOIP->Scale(1./(hisOIP->GetMaximum()+1)); |
| 3677 | hisOIP->SetLineColor(kmicolors[1]); |
| 3678 | if (isDraw) hisOIP->Draw("same"); |
| 3679 | if (!isDraw) {hisOIP->Draw(""); isDraw=kTRUE;} |
| 3680 | hisOIP->Draw("same"); |
| 3681 | vecOIP(isec)=10*hisOIP->GetMean(); |
| 3682 | } |
| 3683 | if (hisOIM) { |
| 3684 | hisOIM = (TH1F*)(hisOIM->Clone()); |
| 3685 | hisOIM->SetDirectory(0); |
| 3686 | hisOIM->Scale(1/(hisOIM->GetMaximum()+1)); |
| 3687 | hisOIM->SetLineColor(kmicolors[3]); |
| 3688 | if (isDraw) hisOIM->Draw("same"); |
| 3689 | if (!isDraw) {hisOIM->Draw(""); isDraw=kTRUE;} |
| 3690 | vecOIM(isec)=10*hisOIM->GetMean(); |
| 3691 | } |
| 3692 | } |
| 3693 | TGraph* grOIM = new TGraph(36,vecSec.GetMatrixArray(),vecOIM.GetMatrixArray()); |
| 3694 | TGraph* grOIP = new TGraph(36,vecSec.GetMatrixArray(),vecOIP.GetMatrixArray()); |
| 3695 | TGraph* grOIS = new TGraph(36,vecSec.GetMatrixArray(),vecOIS.GetMatrixArray()); |
| 3696 | TGraph* grOOM = new TGraph(36,vecSec.GetMatrixArray(),vecOOM.GetMatrixArray()); |
| 3697 | TGraph* grOOP = new TGraph(36,vecSec.GetMatrixArray(),vecOOP.GetMatrixArray()); |
| 3698 | // |
| 3699 | grOIS->SetMarkerStyle(kmimarkers[0]); |
| 3700 | grOIP->SetMarkerStyle(kmimarkers[1]); |
| 3701 | grOIM->SetMarkerStyle(kmimarkers[3]); |
| 3702 | grOOP->SetMarkerStyle(kmimarkers[1]); |
| 3703 | grOOM->SetMarkerStyle(kmimarkers[3]); |
| 3704 | grOIS->SetMarkerColor(kmicolors[0]); |
| 3705 | grOIP->SetMarkerColor(kmicolors[1]); |
| 3706 | grOIM->SetMarkerColor(kmicolors[3]); |
| 3707 | grOOP->SetMarkerColor(kmicolors[1]); |
| 3708 | grOOM->SetMarkerColor(kmicolors[3]); |
| 3709 | grOIS->SetLineColor(kmicolors[0]); |
| 3710 | grOIP->SetLineColor(kmicolors[1]); |
| 3711 | grOIM->SetLineColor(kmicolors[3]); |
| 3712 | grOOP->SetLineColor(kmicolors[1]); |
| 3713 | grOOM->SetLineColor(kmicolors[3]); |
| 3714 | grOIS->SetMaximum(1.5); |
| 3715 | grOIS->SetMinimum(-1.5); |
| 3716 | grOIS->GetXaxis()->SetTitle("Sector number"); |
| 3717 | grOIS->GetYaxis()->SetTitle("#Delta_{y} (mm)"); |
| 3718 | |
| 3719 | cDy->cd(1); |
| 3720 | grOIS->Draw("apl"); |
| 3721 | grOIM->Draw("pl"); |
| 3722 | grOIP->Draw("pl"); |
| 3723 | cDy->cd(2); |
| 3724 | grOIS->Draw("apl"); |
| 3725 | grOOM->Draw("pl"); |
| 3726 | grOOP->Draw("pl"); |
| 3727 | cOROCdy->SaveAs("picAlign/OROCOROCdy.eps"); |
| 3728 | cOROCdy->SaveAs("picAlign/OROCOROCdy.gif"); |
| 3729 | cOROCdy->SaveAs("picAlign/OROCOROCdy.root"); |
| 3730 | // |
| 3731 | cIROCdy->SaveAs("picAlign/OROCIROCdy.eps"); |
| 3732 | cIROCdy->SaveAs("picAlign/OROCIROCdy.gif"); |
| 3733 | cIROCdy->SaveAs("picAlign/OROCIROCdy.root"); |
| 3734 | // |
| 3735 | cDy->SaveAs("picAlign/Sectordy.eps"); |
| 3736 | cDy->SaveAs("picAlign/Sectordy.gif"); |
| 3737 | cDy->SaveAs("picAlign/Sectordy.root"); |
| 3738 | if (output){ |
| 3739 | output->cd(); |
| 3740 | cOROCdy->Write("OROCOROCDy"); |
| 3741 | cIROCdy->Write("OROCIROCDy"); |
| 3742 | cDy->Write("SectorDy"); |
| 3743 | } |
| 6f387311 |
3744 | } |
| 774a5ee9 |
3745 | |
| 3746 | void AliTPCcalibAlign::MakeReportDyPhi(TFile */*output*/){ |
| 3747 | // |
| 3748 | // |
| 3749 | // |
| 3750 | Int_t kmicolors[10]={1,2,3,4,6,7,8,9,10,11}; |
| 3751 | Int_t kmimarkers[10]={21,22,23,24,25,26,27,28,29,30}; |
| 3752 | |
| 3753 | AliTPCcalibAlign *align = this; |
| 3754 | TCanvas * cOROCdyPhi = new TCanvas("OROC dyphi","OROC dyphi",900,600); |
| 3755 | cOROCdyPhi->Divide(6,6); |
| 3756 | for (Int_t isec=0;isec<36;isec++){ |
| 3757 | cOROCdyPhi->cd(isec+1); |
| 3758 | Int_t secPlus = (isec%18==17)? isec-17:isec+1; |
| 3759 | Int_t secMinus= (isec%18==0) ? isec+17:isec-1; |
| 3760 | //printf("%d\t%d\t%d\n",isec,secPlus,secMinus); |
| 3761 | TH2F *htemp=0; |
| 3762 | TProfile * profdyphiOOP=0,*profdyphiOOM=0,*profdyphiOOS=0; |
| 3763 | htemp = (TH2F*) (align->GetHisto(AliTPCcalibAlign::kYPhi,isec+36,secPlus+36)); |
| 3764 | if (htemp) profdyphiOOP= htemp->ProfileX(); |
| 3765 | htemp = (TH2F*)(align->GetHisto(AliTPCcalibAlign::kYPhi,isec+36,secMinus+36)); |
| 3766 | if (htemp) profdyphiOOM= htemp->ProfileX(); |
| 3767 | htemp = (TH2F*)(align->GetHisto(AliTPCcalibAlign::kYPhi,isec+36,isec)); |
| 3768 | if (htemp) profdyphiOOS= htemp->ProfileX(); |
| 3769 | |
| 3770 | if (profdyphiOOS){ |
| 3771 | profdyphiOOS->SetLineColor(kmicolors[0]); |
| 3772 | profdyphiOOS->SetMarkerStyle(kmimarkers[0]); |
| 3773 | profdyphiOOS->SetMarkerSize(0.2); |
| 3774 | profdyphiOOS->SetMaximum(0.5); |
| 3775 | profdyphiOOS->SetMinimum(-0.5); |
| 3776 | profdyphiOOS->SetXTitle("tan(#phi)"); |
| 3777 | profdyphiOOS->SetYTitle("#DeltaY (cm)"); |
| 3778 | } |
| 3779 | if (profdyphiOOP){ |
| 3780 | profdyphiOOP->SetLineColor(kmicolors[1]); |
| 3781 | profdyphiOOP->SetMarkerStyle(kmimarkers[1]); |
| 3782 | profdyphiOOP->SetMarkerSize(0.2); |
| 3783 | } |
| 3784 | if (profdyphiOOM){ |
| 3785 | profdyphiOOM->SetLineColor(kmicolors[3]); |
| 3786 | profdyphiOOM->SetMarkerStyle(kmimarkers[3]); |
| 3787 | profdyphiOOM->SetMarkerSize(0.2); |
| 3788 | } |
| 3789 | if (profdyphiOOS){ |
| 3790 | profdyphiOOS->Draw(); |
| 3791 | }else{ |
| 3792 | if (profdyphiOOM) profdyphiOOM->Draw(""); |
| 3793 | if (profdyphiOOP) profdyphiOOP->Draw(""); |
| 3794 | } |
| 3795 | if (profdyphiOOM) profdyphiOOM->Draw("same"); |
| 3796 | if (profdyphiOOP) profdyphiOOP->Draw("same"); |
| 3797 | |
| 3798 | } |
| 6f387311 |
3799 | } |
| 3800 | |
| 034e5c8c |
3801 | |
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