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8bc7e885 | 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 | ||
8bc7e885 | 17 | /* $Id$ */ |
18 | ||
8bc7e885 | 19 | |
20 | //Root includes | |
8bc7e885 | 21 | #include <TH1F.h> |
8bc7e885 | 22 | #include <TH2F.h> |
8bc7e885 | 23 | #include <TString.h> |
8bc7e885 | 24 | #include <TMath.h> |
25 | #include <TF1.h> | |
26 | #include <TRandom.h> | |
8bc7e885 | 27 | #include <TDirectory.h> |
8bc7e885 | 28 | #include <TFile.h> |
8bc7e885 | 29 | //AliRoot includes |
30 | #include "AliRawReader.h" | |
31 | #include "AliRawReaderRoot.h" | |
bc331d5b | 32 | #include "AliRawReaderDate.h" |
8bc7e885 | 33 | #include "AliTPCRawStream.h" |
34 | #include "AliTPCCalROC.h" | |
8bc7e885 | 35 | #include "AliTPCROC.h" |
8bc7e885 | 36 | #include "AliMathBase.h" |
8bc7e885 | 37 | #include "TTreeStream.h" |
4958b652 | 38 | #include "AliTPCRawStreamFast.h" |
8bc7e885 | 39 | |
bc331d5b | 40 | //date |
41 | #include "event.h" | |
42 | ||
43 | //header file | |
44 | #include "AliTPCCalibPedestal.h" | |
8bc7e885 | 45 | |
46 | ||
aa983e4f | 47 | /////////////////////////////////////////////////////////////////////////////////////// |
48 | // Implementation of the TPC pedestal and noise calibration | |
49 | // | |
50 | // Origin: Jens Wiechula, Marian Ivanov J.Wiechula@gsi.de, Marian.Ivanov@cern.ch | |
51 | // | |
52 | // | |
53 | // ************************************************************************************* | |
54 | // * Class Description * | |
55 | // ************************************************************************************* | |
56 | // | |
57 | // Working principle: | |
58 | // ------------------ | |
59 | // Raw pedestal data is processed by calling one of the ProcessEvent(...) functions | |
60 | // (see below). These in the end call the Update(...) function, where the data is filled | |
61 | // into histograms. | |
62 | // | |
63 | // For each ROC one TH2F histo (ROC channel vs. ADC channel) is created when | |
64 | // it is filled for the first time (GetHistoPedestal(ROC,kTRUE)). All histos are stored in the | |
65 | // TObjArray fHistoPedestalArray. | |
66 | // | |
67 | // For a fast filling of the histogram the corresponding bin number of the channel and ADC channel | |
68 | // is computed by hand and the histogram array is accessed directly via its pointer. | |
69 | // ATTENTION: Doing so the the entry counter of the histogram is not increased | |
70 | // this means that e.g. the colz draw option gives an empty plot unless | |
71 | // calling 'histo->SetEntries(1)' before drawing. | |
72 | // | |
73 | // After accumulating the desired statistics the Analyse() function has to be called. | |
74 | // Whithin this function the pedestal and noise values are calculated for each pad, using | |
75 | // the fast gaus fit function AliMathBase::FitGaus(...), and the calibration | |
76 | // storage classes (AliTPCCalROC) are filled for each ROC. | |
77 | // The calibration information is stored in the TObjArrays fCalRocArrayPedestal and fCalRocArrayRMS; | |
78 | // | |
79 | // | |
80 | // | |
81 | // User interface for filling data: | |
82 | // -------------------------------- | |
83 | // | |
84 | // To Fill information one of the following functions can be used: | |
85 | // | |
86 | // Bool_t ProcessEvent(eventHeaderStruct *event); | |
87 | // - process Date event | |
88 | // - use AliTPCRawReaderDate and call ProcessEvent(AliRawReader *rawReader) | |
89 | // | |
90 | // Bool_t ProcessEvent(AliRawReader *rawReader); | |
91 | // - process AliRawReader event | |
92 | // - use AliTPCRawStream to loop over data and call ProcessEvent(AliTPCRawStream *rawStream) | |
93 | // | |
94 | // Bool_t ProcessEvent(AliTPCRawStream *rawStream); | |
95 | // - process event from AliTPCRawStream | |
96 | // - call Update function for signal filling | |
97 | // | |
98 | // Int_t Update(const Int_t isector, const Int_t iRow, const Int_t | |
99 | // iPad, const Int_t iTimeBin, const Float_t signal); | |
100 | // - directly fill signal information (sector, row, pad, time bin, pad) | |
101 | // to the reference histograms | |
102 | // | |
103 | // It is also possible to merge two independently taken calibrations using the function | |
104 | // | |
105 | // void Merge(AliTPCCalibPedestal *ped) | |
106 | // - copy histograms in 'ped' if the do not exist in this instance | |
107 | // - Add histograms in 'ped' to the histograms in this instance if the allready exist | |
108 | // - After merging call Analyse again! | |
109 | // | |
110 | // | |
111 | // | |
112 | // -- example: filling data using root raw data: | |
113 | // void fillPedestal(Char_t *filename) | |
114 | // { | |
115 | // rawReader = new AliRawReaderRoot(fileName); | |
116 | // if ( !rawReader ) return; | |
117 | // AliTPCCalibPedestal *calib = new AliTPCCalibPedestal; | |
118 | // while (rawReader->NextEvent()){ | |
119 | // calib->ProcessEvent(rawReader); | |
120 | // } | |
121 | // calib->Analyse(); | |
122 | // calib->DumpToFile("PedestalData.root"); | |
123 | // delete rawReader; | |
124 | // delete calib; | |
125 | // } | |
126 | // | |
127 | // | |
128 | // What kind of information is stored and how to retrieve them: | |
129 | // ------------------------------------------------------------ | |
130 | // | |
131 | // - Accessing the 'Reference Histograms' (pedestal distribution histograms): | |
132 | // | |
133 | // TH2F *GetHistoPedestal(Int_t sector); | |
134 | // | |
135 | // - Accessing the calibration storage objects: | |
136 | // | |
137 | // AliTPCCalROC *GetCalRocPedestal(Int_t sector); - for the pedestal values | |
138 | // AliTPCCalROC *GetCalRocNoise(Int_t sector); - for the Noise values | |
139 | // | |
140 | // example for visualisation: | |
141 | // if the file "PedestalData.root" was created using the above example one could do the following: | |
142 | // | |
143 | // TFile filePedestal("PedestalData.root") | |
144 | // AliTPCCalibPedestal *ped = (AliTPCCalibPedestal*)filePedestal->Get("AliTPCCalibPedestal"); | |
145 | // ped->GetCalRocPedestal(0)->Draw("colz"); | |
146 | // ped->GetCalRocRMS(0)->Draw("colz"); | |
147 | // | |
148 | // or use the AliTPCCalPad functionality: | |
149 | // AliTPCCalPad padPedestal(ped->GetCalPadPedestal()); | |
150 | // AliTPCCalPad padNoise(ped->GetCalPadRMS()); | |
151 | // padPedestal->MakeHisto2D()->Draw("colz"); //Draw A-Side Pedestal Information | |
152 | // padNoise->MakeHisto2D()->Draw("colz"); //Draw A-Side Noise Information | |
153 | // | |
bdf99a93 | 154 | |
aa983e4f | 155 | /* |
156 | example: fill pedestal with gausschen noise | |
157 | AliTPCCalibPedestal ped; | |
158 | ped.TestEvent(); | |
159 | ped.Analyse(); | |
160 | //Draw output; | |
161 | TCanvas* c1 = new TCanvas; | |
162 | c1->Divide(1,2); | |
163 | c1->cd(1); | |
164 | ped.GetHistoPedestal(0)->SetEntries(1); //needed in order for colz to work, reason: fast filling does not increase the entries counter | |
165 | ped.GetHistoPedestal(0)->Draw("colz"); | |
166 | c1->cd(2); | |
167 | ped.GetHistoPedestal(36)->SetEntries(1); //needed in order for colz to work, reason: fast filling does not increase the entries counter | |
168 | ped.GetHistoPedestal(36)->Draw("colz"); | |
169 | TCanvas* c2 = new TCanvas; | |
170 | c2->Divide(2,2); | |
171 | c2->cd(1); | |
172 | ped.GetCalRocPedestal(0)->Draw("colz"); | |
173 | c2->cd(2); | |
174 | ped.GetCalRocRMS(0)->Draw("colz"); | |
175 | c2->cd(3); | |
176 | ped.GetCalRocPedestal(36)->Draw("colz"); | |
177 | c2->cd(4); | |
178 | ped.GetCalRocRMS(36)->Draw("colz"); | |
aa983e4f | 179 | */ |
8bc7e885 | 180 | |
bdf99a93 | 181 | // |
182 | // Time dependent pedestals: | |
183 | // | |
184 | // If wished there is the possibility to calculate for each channel and time bin | |
185 | // the mean pedestal [pedestals(t)]. This is done by | |
186 | // | |
187 | // 1) setting SetTimeAnalysis(kTRUE), | |
188 | // 2) processing the data by looping over the events using ProcessEvent(..) | |
189 | // 3) calling the Analyse() and AnalyseTime(nevents) functions (providing nevents) | |
190 | // 4) getting the pedestals(t) using TArrayF **timePed = calibPedestal.GetTimePedestals(); | |
191 | // 5) looking at values using timePed[row][pad].At(timebin) | |
192 | // | |
193 | // This functionality is intended to be used on an LDC bu the detector algorithm | |
194 | // (TPCPEDESTALda) to generate a data set used for configuration of the pattern | |
195 | // memory for baseline subtraction in the ALTROs. Later the information should also | |
196 | // be stored as reference data. | |
197 | // | |
8bc7e885 | 198 | |
199 | ||
aa983e4f | 200 | ClassImp(AliTPCCalibPedestal) |
8bc7e885 | 201 | |
202 | AliTPCCalibPedestal::AliTPCCalibPedestal() : /*FOLD00*/ | |
203 | TObject(), | |
204 | fFirstTimeBin(60), | |
205 | fLastTimeBin(1000), | |
206 | fAdcMin(1), | |
207 | fAdcMax(100), | |
aa983e4f | 208 | fOldRCUformat(kTRUE), |
bdf99a93 | 209 | fTimeAnalysis(kFALSE), |
8bc7e885 | 210 | fROC(AliTPCROC::Instance()), |
4958b652 | 211 | fMapping(NULL), |
8bc7e885 | 212 | fCalRocArrayPedestal(72), |
213 | fCalRocArrayRMS(72), | |
bdf99a93 | 214 | fHistoPedestalArray(72), |
215 | fTimeSignal(NULL) | |
8bc7e885 | 216 | { |
bdf99a93 | 217 | // |
218 | // default constructor | |
219 | // | |
8bc7e885 | 220 | } |
bdf99a93 | 221 | |
222 | ||
bc331d5b | 223 | //_____________________________________________________________________ |
224 | AliTPCCalibPedestal::AliTPCCalibPedestal(const AliTPCCalibPedestal &ped) : /*FOLD00*/ | |
225 | TObject(ped), | |
226 | fFirstTimeBin(ped.GetFirstTimeBin()), | |
227 | fLastTimeBin(ped.GetLastTimeBin()), | |
228 | fAdcMin(ped.GetAdcMin()), | |
229 | fAdcMax(ped.GetAdcMax()), | |
bdf99a93 | 230 | fOldRCUformat(ped.fOldRCUformat), |
231 | fTimeAnalysis(ped.fTimeAnalysis), | |
bc331d5b | 232 | fROC(AliTPCROC::Instance()), |
4958b652 | 233 | fMapping(NULL), |
bc331d5b | 234 | fCalRocArrayPedestal(72), |
235 | fCalRocArrayRMS(72), | |
bdf99a93 | 236 | fHistoPedestalArray(72), |
237 | fTimeSignal(ped.fTimeSignal) | |
bc331d5b | 238 | { |
bdf99a93 | 239 | // |
240 | // copy constructor | |
241 | // | |
242 | for (Int_t iSec = 0; iSec < 72; ++iSec){ | |
243 | const AliTPCCalROC *calPed = (AliTPCCalROC*)ped.fCalRocArrayPedestal.UncheckedAt(iSec); | |
244 | const AliTPCCalROC *calRMS = (AliTPCCalROC*)ped.fCalRocArrayRMS.UncheckedAt(iSec); | |
245 | const TH2F *hPed = (TH2F*)ped.fHistoPedestalArray.UncheckedAt(iSec); | |
246 | ||
247 | if ( calPed != 0x0 ) fCalRocArrayPedestal.AddAt(new AliTPCCalROC(*calPed), iSec); | |
248 | if ( calRMS != 0x0 ) fCalRocArrayRMS.AddAt(new AliTPCCalROC(*calRMS), iSec); | |
249 | ||
250 | if ( hPed != 0x0 ){ | |
251 | TH2F *hNew = new TH2F(*hPed); | |
252 | hNew->SetDirectory(0); | |
253 | fHistoPedestalArray.AddAt(hNew,iSec); | |
bc331d5b | 254 | } |
bdf99a93 | 255 | } |
bc331d5b | 256 | } |
bdf99a93 | 257 | |
258 | ||
bc331d5b | 259 | //_____________________________________________________________________ |
260 | AliTPCCalibPedestal& AliTPCCalibPedestal::operator = (const AliTPCCalibPedestal &source) | |
261 | { | |
262 | // | |
263 | // assignment operator | |
264 | // | |
265 | if (&source == this) return *this; | |
266 | new (this) AliTPCCalibPedestal(source); | |
8bc7e885 | 267 | |
bc331d5b | 268 | return *this; |
269 | } | |
bdf99a93 | 270 | |
271 | ||
8bc7e885 | 272 | //_____________________________________________________________________ |
273 | AliTPCCalibPedestal::~AliTPCCalibPedestal() /*FOLD00*/ | |
274 | { | |
275 | // | |
276 | // destructor | |
277 | // | |
8bc7e885 | 278 | |
bdf99a93 | 279 | fCalRocArrayPedestal.Delete(); |
280 | fCalRocArrayRMS.Delete(); | |
281 | fHistoPedestalArray.Delete(); | |
282 | ||
283 | if ( fTimeSignal ) { | |
284 | for (Int_t i = 0; i < 159; i++) { | |
285 | delete [] fTimeSignal[i]; | |
286 | fTimeSignal[i] = 0; | |
287 | } | |
288 | delete [] fTimeSignal; | |
289 | fTimeSignal = 0; | |
290 | } | |
4958b652 | 291 | |
292 | // do not delete fMapping, because we do not own it. | |
293 | ||
bdf99a93 | 294 | } |
295 | ||
296 | ||
297 | //_____________________________________________________________________ | |
298 | void AliTPCCalibPedestal::SetTimeAnalysis(Bool_t time) | |
299 | { | |
300 | // | |
301 | // Use time dependent analysis: Pedestals are analysed as a function | |
302 | // of the drift time. There is one mean value generated for each time | |
303 | // bin and each channel. It can be used as reference data and for | |
304 | // configuration of the ALTRO pattern memory for baseline subtraction. | |
305 | // | |
306 | // ATTENTION: Use only on LDC in TPCPEDESTALda! On a LDC we get data | |
307 | // only from one sector. For the full TPC we would need a lot of | |
308 | // memory (36*159*140*1024*4bytes = 3.3GB)! | |
309 | // | |
310 | ||
311 | fTimeAnalysis = time; | |
312 | ||
313 | if ( !fTimeAnalysis ) return; | |
314 | ||
315 | // prepare array for one sector (159*140*1024*4bytes = 92MB): | |
316 | fTimeSignal = new TArrayF*[159]; | |
317 | for (Int_t i = 0; i < 159; i++) { // padrows | |
318 | fTimeSignal[i] = new TArrayF[140]; | |
319 | for (Int_t j = 0; j < 140; j++) { // pads per row | |
320 | fTimeSignal[i][j].Set(1024); | |
321 | for (Int_t k = 0; k < 1024; k++) { // time bins per pad | |
322 | fTimeSignal[i][j].AddAt(0., k); | |
323 | } | |
324 | } | |
325 | } | |
aa983e4f | 326 | } |
bdf99a93 | 327 | |
328 | ||
8bc7e885 | 329 | //_____________________________________________________________________ |
330 | Int_t AliTPCCalibPedestal::Update(const Int_t icsector, /*FOLD00*/ | |
bdf99a93 | 331 | const Int_t icRow, |
332 | const Int_t icPad, | |
333 | const Int_t icTimeBin, | |
334 | const Float_t csignal) | |
8bc7e885 | 335 | { |
bdf99a93 | 336 | // |
337 | // Signal filling method | |
338 | // | |
aa983e4f | 339 | |
bdf99a93 | 340 | // Time dependent pedestals |
341 | if ( fTimeAnalysis ) { | |
342 | if ( icsector < 36 ) // IROC | |
343 | fTimeSignal[icRow][icPad].AddAt(fTimeSignal[icRow][icPad].At(icTimeBin)+csignal, icTimeBin); | |
344 | else | |
345 | fTimeSignal[icRow+63][icPad].AddAt(fTimeSignal[icRow+63][icPad].At(icTimeBin)+csignal, icTimeBin); | |
346 | } | |
347 | //return if we are out of the specified time bin or adc range | |
348 | if ( (icTimeBin>fLastTimeBin) || (icTimeBin<fFirstTimeBin) ) return 0; | |
349 | if ( ((Int_t)csignal>fAdcMax) || ((Int_t)csignal<fAdcMin) ) return 0; | |
8bc7e885 | 350 | |
bdf99a93 | 351 | Int_t iChannel = fROC->GetRowIndexes(icsector)[icRow]+icPad; // global pad position in sector |
8bc7e885 | 352 | |
4958b652 | 353 | // fast filling method |
bdf99a93 | 354 | // Attention: the entry counter of the histogram is not increased |
355 | // this means that e.g. the colz draw option gives an empty plot | |
356 | Int_t bin = (iChannel+1)*(fAdcMax-fAdcMin+2)+((Int_t)csignal-fAdcMin+1); | |
8bc7e885 | 357 | |
bdf99a93 | 358 | GetHistoPedestal(icsector,kTRUE)->GetArray()[bin]++; |
8bc7e885 | 359 | |
bdf99a93 | 360 | return 0; |
8bc7e885 | 361 | } |
4958b652 | 362 | |
363 | ||
08205ed7 | 364 | //_____________________________________________________________________ |
365 | Bool_t AliTPCCalibPedestal::ProcessEventFast(AliTPCRawStreamFast *rawStreamFast) | |
366 | { | |
367 | // | |
368 | // Event Processing loop - AliTPCRawStream | |
369 | // | |
370 | Bool_t withInput = kFALSE; | |
bdf99a93 | 371 | |
08205ed7 | 372 | while ( rawStreamFast->NextDDL() ){ |
373 | while ( rawStreamFast->NextChannel() ){ | |
374 | Int_t isector = rawStreamFast->GetSector(); // current sector | |
375 | Int_t iRow = rawStreamFast->GetRow(); // current row | |
376 | Int_t iPad = rawStreamFast->GetPad(); // current pad | |
377 | Int_t startTbin = (Int_t)rawStreamFast->GetStartTimeBin(); | |
378 | Int_t endTbin = (Int_t)rawStreamFast->GetEndTimeBin(); | |
379 | ||
380 | while ( rawStreamFast->NextBunch() ){ | |
381 | for (Int_t iTimeBin = startTbin; iTimeBin < endTbin; iTimeBin++){ | |
382 | Float_t signal=(Float_t)rawStreamFast->GetSignals()[iTimeBin-startTbin]; | |
383 | Update(isector,iRow,iPad,iTimeBin+1,signal); | |
384 | withInput = kTRUE; | |
385 | } | |
386 | } | |
387 | } | |
388 | } | |
bdf99a93 | 389 | |
08205ed7 | 390 | return withInput; |
391 | } | |
392 | //_____________________________________________________________________ | |
393 | Bool_t AliTPCCalibPedestal::ProcessEventFast(AliRawReader *rawReader) | |
394 | { | |
395 | // | |
396 | // Event processing loop - AliRawReader | |
397 | // | |
4958b652 | 398 | AliTPCRawStreamFast *rawStreamFast = new AliTPCRawStreamFast(rawReader, (AliAltroMapping**)fMapping); |
08205ed7 | 399 | Bool_t res=ProcessEventFast(rawStreamFast); |
400 | delete rawStreamFast; | |
401 | return res; | |
402 | } | |
4958b652 | 403 | |
8bc7e885 | 404 | //_____________________________________________________________________ |
bc331d5b | 405 | Bool_t AliTPCCalibPedestal::ProcessEvent(AliTPCRawStream *rawStream) |
8bc7e885 | 406 | { |
407 | // | |
bc331d5b | 408 | // Event Processing loop - AliTPCRawStream |
8bc7e885 | 409 | // |
410 | ||
aa983e4f | 411 | rawStream->SetOldRCUFormat(fOldRCUformat); |
8bc7e885 | 412 | |
413 | Bool_t withInput = kFALSE; | |
414 | ||
bc331d5b | 415 | while (rawStream->Next()) { |
4958b652 | 416 | |
bdf99a93 | 417 | Int_t iSector = rawStream->GetSector(); // current ROC |
418 | Int_t iRow = rawStream->GetRow(); // current row | |
419 | Int_t iPad = rawStream->GetPad(); // current pad | |
420 | Int_t iTimeBin = rawStream->GetTime(); // current time bin | |
421 | Float_t signal = rawStream->GetSignal(); // current ADC signal | |
422 | ||
423 | Update(iSector,iRow,iPad,iTimeBin,signal); | |
424 | withInput = kTRUE; | |
8bc7e885 | 425 | } |
4958b652 | 426 | |
8bc7e885 | 427 | return withInput; |
428 | } | |
4958b652 | 429 | |
430 | ||
8bc7e885 | 431 | //_____________________________________________________________________ |
bc331d5b | 432 | Bool_t AliTPCCalibPedestal::ProcessEvent(AliRawReader *rawReader) |
433 | { | |
434 | // | |
435 | // Event processing loop - AliRawReader | |
436 | // | |
437 | ||
4958b652 | 438 | // if fMapping is NULL the rawstream will crate its own mapping |
439 | AliTPCRawStream rawStream(rawReader, (AliAltroMapping**)fMapping); | |
bc331d5b | 440 | rawReader->Select("TPC"); |
bc331d5b | 441 | return ProcessEvent(&rawStream); |
442 | } | |
bdf99a93 | 443 | |
444 | ||
bc331d5b | 445 | //_____________________________________________________________________ |
446 | Bool_t AliTPCCalibPedestal::ProcessEvent(eventHeaderStruct *event) | |
447 | { | |
448 | // | |
449 | // process date event | |
450 | // | |
bdf99a93 | 451 | |
452 | AliRawReader *rawReader = new AliRawReaderDate((void*)event); | |
453 | Bool_t result=ProcessEvent(rawReader); | |
454 | delete rawReader; | |
455 | return result; | |
bc331d5b | 456 | } |
bdf99a93 | 457 | |
458 | ||
bc331d5b | 459 | //_____________________________________________________________________ |
8bc7e885 | 460 | Bool_t AliTPCCalibPedestal::TestEvent() /*FOLD00*/ |
461 | { | |
462 | // | |
463 | // Test event loop | |
bc331d5b | 464 | // fill one oroc and one iroc with random gaus |
8bc7e885 | 465 | // |
466 | ||
467 | gRandom->SetSeed(0); | |
468 | ||
aa983e4f | 469 | for (UInt_t iSec=0; iSec<72; ++iSec){ |
8bc7e885 | 470 | if (iSec%36>0) continue; |
aa983e4f | 471 | for (UInt_t iRow=0; iRow < fROC->GetNRows(iSec); ++iRow){ |
472 | for (UInt_t iPad=0; iPad < fROC->GetNPads(iSec,iRow); ++iPad){ | |
473 | for (UInt_t iTimeBin=0; iTimeBin<1024; ++iTimeBin){ | |
bc331d5b | 474 | Float_t signal=(Int_t)(iRow+3+gRandom->Gaus(0,.7)); |
8bc7e885 | 475 | if ( signal>0 )Update(iSec,iRow,iPad,iTimeBin,signal); |
476 | } | |
477 | } | |
478 | } | |
479 | } | |
480 | return kTRUE; | |
481 | } | |
bdf99a93 | 482 | |
483 | ||
8bc7e885 | 484 | //_____________________________________________________________________ |
bc331d5b | 485 | TH2F* AliTPCCalibPedestal::GetHisto(Int_t sector, TObjArray *arr, /*FOLD00*/ |
4958b652 | 486 | Int_t nbinsY, Float_t ymin, Float_t ymax, |
487 | Char_t *type, Bool_t force) | |
8bc7e885 | 488 | { |
489 | // | |
490 | // return pointer to Q histogram | |
491 | // if force is true create a new histogram if it doesn't exist allready | |
492 | // | |
493 | if ( !force || arr->UncheckedAt(sector) ) | |
bc331d5b | 494 | return (TH2F*)arr->UncheckedAt(sector); |
8bc7e885 | 495 | |
496 | // if we are forced and histogram doesn't yes exist create it | |
497 | Char_t name[255], title[255]; | |
498 | ||
499 | sprintf(name,"hCalib%s%.2d",type,sector); | |
bc331d5b | 500 | sprintf(title,"%s calibration histogram sector %.2d;ADC channel;Channel (pad)",type,sector); |
8bc7e885 | 501 | |
502 | // new histogram with Q calib information. One value for each pad! | |
bc331d5b | 503 | TH2F* hist = new TH2F(name,title, |
8bc7e885 | 504 | nbinsY, ymin, ymax, |
505 | fROC->GetNChannels(sector),0,fROC->GetNChannels(sector) | |
506 | ); | |
507 | hist->SetDirectory(0); | |
508 | arr->AddAt(hist,sector); | |
509 | return hist; | |
510 | } | |
bdf99a93 | 511 | |
512 | ||
8bc7e885 | 513 | //_____________________________________________________________________ |
bc331d5b | 514 | TH2F* AliTPCCalibPedestal::GetHistoPedestal(Int_t sector, Bool_t force) /*FOLD00*/ |
8bc7e885 | 515 | { |
516 | // | |
517 | // return pointer to T0 histogram | |
518 | // if force is true create a new histogram if it doesn't exist allready | |
519 | // | |
520 | TObjArray *arr = &fHistoPedestalArray; | |
521 | return GetHisto(sector, arr, fAdcMax-fAdcMin, fAdcMin, fAdcMax, "Pedestal", force); | |
522 | } | |
bdf99a93 | 523 | |
524 | ||
8bc7e885 | 525 | //_____________________________________________________________________ |
526 | AliTPCCalROC* AliTPCCalibPedestal::GetCalRoc(Int_t sector, TObjArray* arr, Bool_t force) /*FOLD00*/ | |
527 | { | |
528 | // | |
529 | // return pointer to ROC Calibration | |
530 | // if force is true create a new histogram if it doesn't exist allready | |
531 | // | |
532 | if ( !force || arr->UncheckedAt(sector) ) | |
533 | return (AliTPCCalROC*)arr->UncheckedAt(sector); | |
534 | ||
aa983e4f | 535 | // if we are forced and the histogram doesn't yet exist create it |
8bc7e885 | 536 | |
537 | // new AliTPCCalROC for T0 information. One value for each pad! | |
538 | AliTPCCalROC *croc = new AliTPCCalROC(sector); | |
8bc7e885 | 539 | arr->AddAt(croc,sector); |
540 | return croc; | |
541 | } | |
bdf99a93 | 542 | |
543 | ||
8bc7e885 | 544 | //_____________________________________________________________________ |
545 | AliTPCCalROC* AliTPCCalibPedestal::GetCalRocPedestal(Int_t sector, Bool_t force) /*FOLD00*/ | |
546 | { | |
547 | // | |
548 | // return pointer to Carge ROC Calibration | |
549 | // if force is true create a new histogram if it doesn't exist allready | |
550 | // | |
551 | TObjArray *arr = &fCalRocArrayPedestal; | |
552 | return GetCalRoc(sector, arr, force); | |
553 | } | |
bdf99a93 | 554 | |
555 | ||
8bc7e885 | 556 | //_____________________________________________________________________ |
557 | AliTPCCalROC* AliTPCCalibPedestal::GetCalRocRMS(Int_t sector, Bool_t force) /*FOLD00*/ | |
558 | { | |
559 | // | |
560 | // return pointer to signal width ROC Calibration | |
561 | // if force is true create a new histogram if it doesn't exist allready | |
562 | // | |
563 | TObjArray *arr = &fCalRocArrayRMS; | |
564 | return GetCalRoc(sector, arr, force); | |
565 | } | |
bdf99a93 | 566 | |
567 | ||
8bc7e885 | 568 | //_____________________________________________________________________ |
aa983e4f | 569 | void AliTPCCalibPedestal::Merge(AliTPCCalibPedestal *ped) |
570 | { | |
bdf99a93 | 571 | // |
572 | // Merge reference histograms of sig to the current AliTPCCalibSignal | |
573 | // | |
aa983e4f | 574 | |
bdf99a93 | 575 | // merge histograms |
576 | for (Int_t iSec=0; iSec<72; ++iSec){ | |
577 | TH2F *hRefPedMerge = ped->GetHistoPedestal(iSec); | |
578 | ||
579 | if ( hRefPedMerge ){ | |
580 | TDirectory *dir = hRefPedMerge->GetDirectory(); hRefPedMerge->SetDirectory(0); | |
581 | TH2F *hRefPed = GetHistoPedestal(iSec); | |
582 | if ( hRefPed ) hRefPed->Add(hRefPedMerge); | |
583 | else { | |
584 | TH2F *hist = new TH2F(*hRefPedMerge); | |
585 | hist->SetDirectory(0); | |
586 | fHistoPedestalArray.AddAt(hist, iSec); | |
587 | } | |
588 | hRefPedMerge->SetDirectory(dir); | |
589 | } | |
590 | } | |
aa983e4f | 591 | |
bdf99a93 | 592 | // merge array |
593 | // ... | |
aa983e4f | 594 | |
aa983e4f | 595 | } |
bdf99a93 | 596 | |
597 | ||
aa983e4f | 598 | //_____________________________________________________________________ |
8bc7e885 | 599 | void AliTPCCalibPedestal::Analyse() /*FOLD00*/ |
600 | { | |
bdf99a93 | 601 | // |
602 | // Calculate calibration constants | |
603 | // | |
8bc7e885 | 604 | |
bdf99a93 | 605 | Int_t nbinsAdc = fAdcMax-fAdcMin; |
8bc7e885 | 606 | |
bdf99a93 | 607 | TVectorD param(3); |
608 | TMatrixD dummy(3,3); | |
8bc7e885 | 609 | |
bdf99a93 | 610 | Float_t *array_hP=0; |
8bc7e885 | 611 | |
bdf99a93 | 612 | for (Int_t iSec=0; iSec<72; ++iSec){ |
613 | TH2F *hP = GetHistoPedestal(iSec); | |
614 | if ( !hP ) continue; | |
8bc7e885 | 615 | |
bdf99a93 | 616 | AliTPCCalROC *rocPedestal = GetCalRocPedestal(iSec,kTRUE); |
617 | AliTPCCalROC *rocRMS = GetCalRocRMS(iSec,kTRUE); | |
8bc7e885 | 618 | |
bdf99a93 | 619 | array_hP = hP->GetArray(); |
620 | UInt_t nChannels = fROC->GetNChannels(iSec); | |
8bc7e885 | 621 | |
bdf99a93 | 622 | for (UInt_t iChannel=0; iChannel<nChannels; ++iChannel){ |
623 | Int_t offset = (nbinsAdc+2)*(iChannel+1)+1; | |
624 | Double_t ret = AliMathBase::FitGaus(array_hP+offset,nbinsAdc,fAdcMin,fAdcMax,¶m,&dummy); | |
625 | // if the fitting failed set noise and pedestal to 0 | |
626 | if ( ret == -4 ) { | |
627 | param[1]=0; | |
628 | param[2]=0; | |
629 | } | |
630 | rocPedestal->SetValue(iChannel,param[1]); | |
631 | rocRMS->SetValue(iChannel,param[2]); | |
632 | } | |
633 | } | |
634 | } | |
8bc7e885 | 635 | |
bdf99a93 | 636 | |
637 | //_____________________________________________________________________ | |
638 | void AliTPCCalibPedestal::AnalyseTime(Int_t nevents) | |
639 | { | |
640 | // | |
641 | // Calculate for each channel and time bin the mean pedestal. This | |
642 | // is used on LDC by TPCPEDESTALda to generate data used for configuration | |
643 | // of the pattern memory for baseline subtraction in the ALTROs. | |
644 | // | |
645 | ||
646 | if ( nevents <= 0 ) return; | |
647 | if ( fTimeAnalysis ) { | |
648 | for (Int_t i = 0; i < 159; i++) { // padrows | |
649 | for (Int_t j = 0; j < 140; j++) { // pads per row | |
650 | for (Int_t k = 0; k < 1024; k++) { // time bins per pad | |
651 | fTimeSignal[i][j].AddAt(fTimeSignal[i][j].At(k)/(Float_t)nevents, k); | |
8bc7e885 | 652 | } |
bdf99a93 | 653 | } |
8bc7e885 | 654 | } |
bdf99a93 | 655 | } |
8bc7e885 | 656 | } |
bdf99a93 | 657 | |
658 | ||
8bc7e885 | 659 | //_____________________________________________________________________ |
660 | void AliTPCCalibPedestal::DumpToFile(const Char_t *filename, const Char_t *dir, Bool_t append) /*FOLD00*/ | |
661 | { | |
bdf99a93 | 662 | // |
663 | // Write class to file | |
664 | // | |
8bc7e885 | 665 | |
bdf99a93 | 666 | TString sDir(dir); |
667 | TString option; | |
8bc7e885 | 668 | |
bdf99a93 | 669 | if ( append ) |
670 | option = "update"; | |
671 | else | |
672 | option = "recreate"; | |
8bc7e885 | 673 | |
bdf99a93 | 674 | TDirectory *backup = gDirectory; |
675 | TFile f(filename,option.Data()); | |
676 | f.cd(); | |
677 | if ( !sDir.IsNull() ){ | |
678 | f.mkdir(sDir.Data()); | |
679 | f.cd(sDir); | |
680 | } | |
681 | this->Write(); | |
682 | f.Close(); | |
8bc7e885 | 683 | |
bdf99a93 | 684 | if ( backup ) backup->cd(); |
8bc7e885 | 685 | } |