1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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14 **************************************************************************/
18 ////////////////////////////////////////////////////////////////////////////////////////
20 // Implementation of the TPC Central Electrode calibration //
22 // Origin: Jens Wiechula, Marian Ivanov J.Wiechula@gsi.de, Marian.Ivanov@cern.ch //
24 ////////////////////////////////////////////////////////////////////////////////////////
27 // *************************************************************************************
28 // * Class Description *
29 // *************************************************************************************
32 <h4>The AliTPCCalibCE class is used to get calibration data from the Central Electrode
33 using laser runs.</h4>
35 The information retrieved is
36 <ul style="list-style-type: square;">
37 <li>Time arrival from the CE</li>
43 <ol style="list-style-type: upper-roman;">
44 <li><a href="#working">Working principle</a></li>
45 <li><a href="#user">User interface for filling data</a></li>
46 <li><a href="#info">Stored information</a></li>
49 <h3><a name="working">I. Working principle</a></h3>
51 <h4>Raw laser data is processed by calling one of the ProcessEvent(...) functions
52 (see below). These in the end call the Update(...) function.</h4>
54 <ul style="list-style-type: square;">
55 <li>the Update(...) function:<br />
56 In this function the array fPadSignal is filled with the adc signals between the specified range
57 fFirstTimeBin and fLastTimeBin for the current pad.
58 before going to the next pad the ProcessPad() function is called, which analyses the data for one pad
61 <ul style="list-style-type: square;">
62 <li>the ProcessPad() function:</li>
63 <ol style="list-style-type: decimal;">
64 <li>Find Pedestal and Noise information</li>
65 <ul style="list-style-type: square;">
66 <li>use database information which has to be set by calling<br />
67 SetPedestalDatabase(AliTPCCalPad *pedestalTPC, AliTPCCalPad *padNoiseTPC)</li>
68 <li>if no information from the pedestal data base
69 is available the informaion is calculated on the fly
70 ( see FindPedestal() function )</li>
72 <li>Find local maxima of the pad signal</li>
73 <ul style="list-style-type: square;">
74 <li>maxima arise from the laser tracks, the CE and also periodic postpeaks after the CE signal have
75 have been observed ( see FindLocalMaxima(...) )</li>
77 <li>Find the CE signal information</li>
78 <ul style="list-style-type: square;">
79 <li>to find the position of the CE signal the Tmean information from the previos event is used
80 as the CE signal the local maximum closest to this Tmean is identified</li>
81 <li>calculate mean = T0, RMS = signal width and Q sum in a range of -4+7 timebins around Q max position
82 the Q sum is scaled by pad area (see FindPulserSignal(...) function)</li>
84 <li>Fill a temprary array for the T0 information (GetPadTimesEvent(fCurrentSector,kTRUE)) (why see below)</li>
85 <li>Fill the Q sum and RMS values in the histograms (GetHisto[RMS,Q](ROC,kTRUE))</li>
90 <h4>At the end of each event the EndEvent() function is called</h4>
92 <ul style="list-style-type: square;">
93 <li>the EndEvent() function:</li>
94 <ul style="list-style-type: square;">
95 <li>calculate the mean T0 for side A and side C. Fill T0 histogram with Time0-<Time0 for side[A,C]>
96 This is done to overcome syncronisation problems between the trigger and the fec clock.</li>
97 <li>calculate Mean T for each ROC using the COG aroud the median of the LocalMaxima distribution in one sector</li>
98 <li>calculate Mean Q</li>
99 <li>calculate Global fit parameters for Pol1 and Pol2 fits</li>
103 <h4>After accumulating the desired statistics the Analyse() function has to be called.</h4>
104 <ul style="list-style-type: square;">
105 <li>the Analyse() function:</li>
106 <ul style="list-style-type: square;">
107 <li>calculate the mean values of T0, RMS, Q for each pad, using
108 the AliMathBase::GetCOG(...) function</li>
109 <li>fill the calibration storage classes (AliTPCCalROC) for each ROC</li>
110 (The calibration information is stored in the TObjArrays fCalRocArrayT0, fCalRocArrayRMS and fCalRocArrayQ</li>
114 <h3><a name="user">II. User interface for filling data</a></h3>
116 <h4>To Fill information one of the following functions can be used:</h4>
118 <ul style="list-style-type: none;">
119 <li> Bool_t ProcessEvent(eventHeaderStruct *event);</li>
120 <ul style="list-style-type: square;">
121 <li>process Date event</li>
122 <li>use AliTPCRawReaderDate and call ProcessEvent(AliRawReader *rawReader)</li>
126 <li> Bool_t ProcessEvent(AliRawReader *rawReader);</li>
127 <ul style="list-style-type: square;">
128 <li>process AliRawReader event</li>
129 <li>use AliTPCRawStream to loop over data and call ProcessEvent(AliTPCRawStream *rawStream)</li>
133 <li> Bool_t ProcessEvent(AliTPCRawStream *rawStream);</li>
134 <ul style="list-style-type: square;">
135 <li>process event from AliTPCRawStream</li>
136 <li>call Update function for signal filling</li>
140 <li> Int_t Update(const Int_t isector, const Int_t iRow, const Int_t
141 iPad, const Int_t iTimeBin, const Float_t signal);</li>
142 <ul style="list-style-type: square;">
143 <li>directly fill signal information (sector, row, pad, time bin, pad)
144 to the reference histograms</li>
148 <h4>It is also possible to merge two independently taken calibrations using the function</h4>
150 <ul style="list-style-type: none;">
151 <li> void Merge(AliTPCCalibSignal *sig)</li>
152 <ul style="list-style-type: square;">
153 <li>copy histograms in 'sig' if they do not exist in this instance</li>
154 <li>Add histograms in 'sig' to the histograms in this instance if the allready exist</li>
155 <li>After merging call Analyse again!</li>
160 <h4>example: filling data using root raw data:</h4>
162 void fillCE(Char_t *filename)
164 rawReader = new AliRawReaderRoot(fileName);
165 if ( !rawReader ) return;
166 AliTPCCalibCE *calib = new AliTPCCalibCE;
167 while (rawReader->NextEvent()){
168 calib->ProcessEvent(rawReader);
171 calib->DumpToFile("CEData.root");
177 <h3><a name="info">III. What kind of information is stored and how to retrieve it</a></h4>
179 <h4><a name="info:stored">III.1 Stored information</a></h4>
180 <ul style="list-style-type: none;">
182 <ul style="list-style-type: none;">
183 <li>For each ROC three TH2S histos 'Reference Histograms' (ROC channel vs. [Time0, signal width, Q sum])
184 is created when it is filled for the first time (GetHisto[T0,RMS,Q](ROC,kTRUE)). The histos are
185 stored in the TObjArrays fHistoT0Array, fHistoRMSArray and fHistoQArray.</li>
189 <li>Calibration Data:</li>
190 <ul style="list-style-type: none;">
191 <li>For each ROC three types of calibration data (AliTPCCalROC) is stored: for the mean arrival Time,
192 the signal width and the signal Sum. The AliTPCCalROC objects are stored in the TObjArrays
193 fCalRocArrayT0, fCalRocArrayRMS , fCalRocArrayQ. The object for each roc is created the first time it
194 is accessed (GetCalRoc[T0,RMS,Q](ROC,kTRUE));</li>
198 <li>For each event the following information is stored:</li>
200 <ul style="list-style-type: square;">
201 <li>event time ( TVectorD fVEventTime )</li>
202 <li>event id ( TVectorD fVEventNumber )</li>
204 <li>mean arrival time for each ROC ( TObjArray fTMeanArrayEvent )</li>
205 <li>mean Q for each ROC ( TObjArray fQMeanArrayEvent )</li>
206 <li>parameters of a plane fit for each ROC ( TObjArray fParamArrayEventPol1 )</li>
207 <li>parameters of a 2D parabola fit for each ROC ( TObjArray fParamArrayEventPol2 )</li>
211 <h4><a name="info:retrieve">III.2 Retrieving information</a></h4>
212 <ul style="list-style-type: none;">
213 <li>Accessing the 'Reference Histograms' (Time0, signal width and Q sum information pad by pad):</li>
214 <ul style="list-style-type: square;">
215 <li>TH2F *GetHistoT0(Int_t sector);</li>
216 <li>TH2F *GetHistoRMS(Int_t sector);</li>
217 <li>TH2F *GetHistoQ(Int_t sector);</li>
221 <li>Accessing the calibration storage objects:</li>
222 <ul style="list-style-type: square;">
223 <li>AliTPCCalROC *GetCalRocT0(Int_t sector); // for the Time0 values</li>
224 <li>AliTPCCalROC *GetCalRocRMS(Int_t sector); // for the signal width values</li>
225 <li>AliTPCCalROC *GetCalRocQ(Int_t sector); // for the Q sum values</li>
229 <li>Accessin the event by event information:</li>
230 <ul style="list-style-type: square;">
231 <li>The event by event information can be displayed using the</li>
232 <li>MakeGraphTimeCE(Int_t sector, Int_t xVariable, Int_t fitType, Int_t fitParameter)</li>
233 <li>which creates a graph from the specified variables</li>
237 <h4>example for visualisation:</h4>
239 //if the file "CEData.root" was created using the above example one could do the following:
240 TFile fileCE("CEData.root")
241 AliTPCCalibCE *ce = (AliTPCCalibCE*)fileCE->Get("AliTPCCalibCE");
242 ce->GetCalRocT0(0)->Draw("colz");
243 ce->GetCalRocRMS(0)->Draw("colz");
245 //or use the AliTPCCalPad functionality:
246 AliTPCCalPad padT0(ped->GetCalPadT0());
247 AliTPCCalPad padSigWidth(ped->GetCalPadRMS());
248 padT0->MakeHisto2D()->Draw("colz"); //Draw A-Side Time0 Information
249 padSigWidth->MakeHisto2D()->Draw("colz"); //Draw A-Side signal width Information
251 //display event by event information:
252 //Draw mean arrival time as a function of the event time for oroc sector A00
253 ce->MakeGraphTimeCE(36, 0, 2)->Draw("alp");
254 //Draw first derivative in local x from a plane fit as a function of the event time for oroc sector A00
255 ce->MakeGraphTimeCE(36, 0, 0, 1)->Draw("alp");
258 //////////////////////////////////////////////////////////////////////////////////////
262 #include <TObjArray.h>
266 #include <TVectorF.h>
267 #include <TVectorD.h>
268 #include <TMatrixD.h>
273 #include <TDirectory.h>
279 #include "AliRawReader.h"
280 #include "AliRawReaderRoot.h"
281 #include "AliRawReaderDate.h"
282 #include "AliRawEventHeaderBase.h"
283 #include "AliTPCRawStream.h"
284 #include "AliTPCRawStreamFast.h"
285 #include "AliTPCcalibDB.h"
286 #include "AliTPCCalROC.h"
287 #include "AliTPCCalPad.h"
288 #include "AliTPCROC.h"
289 #include "AliTPCParam.h"
290 #include "AliTPCCalibCE.h"
291 #include "AliMathBase.h"
292 #include "TTreeStream.h"
296 ClassImp(AliTPCCalibCE)
299 AliTPCCalibCE::AliTPCCalibCE() :
300 AliTPCCalibRawBase(),
314 fNoiseThresholdMax(5.),
315 fNoiseThresholdSum(8.),
316 fIsZeroSuppressed(kFALSE),
319 fParam(new AliTPCParam),
325 fCalRocArrayT0Err(72),
328 fCalRocArrayOutliers(72),
336 fParamArrayEventPol1(72),
337 fParamArrayEventPol2(72),
338 fTMeanArrayEvent(72),
339 fQMeanArrayEvent(72),
346 fPadTimesArrayEvent(72),
348 fPadRMSArrayEvent(72),
349 fPadPedestalArrayEvent(72),
359 fVTime0OffsetCounter(72),
365 // AliTPCSignal default constructor
367 SetNameTitle("AliTPCCalibCE","AliTPCCalibCE");
371 for (Int_t i=0;i<1024;++i) fPadSignal[i]=0;
373 //_____________________________________________________________________
374 AliTPCCalibCE::AliTPCCalibCE(const AliTPCCalibCE &sig) :
375 AliTPCCalibRawBase(sig),
376 fNbinsT0(sig.fNbinsT0),
377 fXminT0(sig.fXminT0),
378 fXmaxT0(sig.fXmaxT0),
379 fNbinsQ(sig.fNbinsQ),
382 fNbinsRMS(sig.fNbinsRMS),
383 fXminRMS(sig.fXminRMS),
384 fXmaxRMS(sig.fXmaxRMS),
385 fPeakDetMinus(sig.fPeakDetMinus),
386 fPeakDetPlus(sig.fPeakDetPlus),
387 fPeakIntMinus(sig.fPeakIntMinus),
388 fPeakIntPlus(sig.fPeakIntPlus),
389 fNoiseThresholdMax(sig.fNoiseThresholdMax),
390 fNoiseThresholdSum(sig.fNoiseThresholdSum),
391 fIsZeroSuppressed(sig.fIsZeroSuppressed),
394 fParam(new AliTPCParam),
400 fCalRocArrayT0Err(72),
403 fCalRocArrayOutliers(72),
407 fMeanT0rms(sig.fMeanT0rms),
408 fMeanQrms(sig.fMeanQrms),
409 fMeanRMSrms(sig.fMeanRMSrms),
411 fParamArrayEventPol1(72),
412 fParamArrayEventPol2(72),
413 fTMeanArrayEvent(72),
414 fQMeanArrayEvent(72),
415 fVEventTime(sig.fVEventTime),
416 fVEventNumber(sig.fVEventNumber),
417 fVTime0SideA(sig.fVTime0SideA),
418 fVTime0SideC(sig.fVTime0SideC),
421 fPadTimesArrayEvent(72),
423 fPadRMSArrayEvent(72),
424 fPadPedestalArrayEvent(72),
434 fVTime0OffsetCounter(72),
440 // AliTPCSignal copy constructor
442 for (Int_t i=0;i<1024;++i) fPadSignal[i]=0;
444 for (Int_t iSec = 0; iSec < 72; ++iSec){
445 const AliTPCCalROC *calQ = (AliTPCCalROC*)sig.fCalRocArrayQ.UncheckedAt(iSec);
446 const AliTPCCalROC *calT0 = (AliTPCCalROC*)sig.fCalRocArrayT0.UncheckedAt(iSec);
447 const AliTPCCalROC *calRMS = (AliTPCCalROC*)sig.fCalRocArrayRMS.UncheckedAt(iSec);
448 const AliTPCCalROC *calOut = (AliTPCCalROC*)sig.fCalRocArrayOutliers.UncheckedAt(iSec);
450 const TH2S *hQ = (TH2S*)sig.fHistoQArray.UncheckedAt(iSec);
451 const TH2S *hT0 = (TH2S*)sig.fHistoT0Array.UncheckedAt(iSec);
452 const TH2S *hRMS = (TH2S*)sig.fHistoRMSArray.UncheckedAt(iSec);
454 if ( calQ != 0x0 ) fCalRocArrayQ.AddAt(new AliTPCCalROC(*calQ), iSec);
455 if ( calT0 != 0x0 ) fCalRocArrayT0.AddAt(new AliTPCCalROC(*calT0), iSec);
456 if ( calRMS != 0x0 ) fCalRocArrayRMS.AddAt(new AliTPCCalROC(*calRMS), iSec);
457 if ( calOut != 0x0 ) fCalRocArrayOutliers.AddAt(new AliTPCCalROC(*calOut), iSec);
460 TH2S *hNew = new TH2S(*hQ);
461 hNew->SetDirectory(0);
462 fHistoQArray.AddAt(hNew,iSec);
465 TH2S *hNew = new TH2S(*hT0);
466 hNew->SetDirectory(0);
467 fHistoT0Array.AddAt(hNew,iSec);
470 TH2S *hNew = new TH2S(*hRMS);
471 hNew->SetDirectory(0);
472 fHistoRMSArray.AddAt(hNew,iSec);
476 //copy fit parameters event by event
478 for (Int_t iSec=0; iSec<72; ++iSec){
479 arr = (TObjArray*)sig.fParamArrayEventPol1.UncheckedAt(iSec);
481 TObjArray *arrEvents = new TObjArray(arr->GetSize());
482 fParamArrayEventPol1.AddAt(arrEvents, iSec);
483 for (Int_t iEvent=0; iEvent<arr->GetSize(); ++iEvent)
484 if ( TVectorD *vec=(TVectorD*)arr->UncheckedAt(iEvent) )
485 arrEvents->AddAt(new TVectorD(*vec),iEvent);
488 arr = (TObjArray*)sig.fParamArrayEventPol2.UncheckedAt(iSec);
490 TObjArray *arrEvents = new TObjArray(arr->GetSize());
491 fParamArrayEventPol2.AddAt(arrEvents, iSec);
492 for (Int_t iEvent=0; iEvent<arr->GetSize(); ++iEvent)
493 if ( TVectorD *vec=(TVectorD*)arr->UncheckedAt(iEvent) )
494 arrEvents->AddAt(new TVectorD(*vec),iEvent);
497 TVectorF *vMeanTime = (TVectorF*)sig.fTMeanArrayEvent.UncheckedAt(iSec);
498 TVectorF *vMeanQ = (TVectorF*)sig.fQMeanArrayEvent.UncheckedAt(iSec);
500 fTMeanArrayEvent.AddAt(new TVectorF(*vMeanTime), iSec);
502 fQMeanArrayEvent.AddAt(new TVectorF(*vMeanQ), iSec);
506 fVEventTime.ResizeTo(sig.fVEventTime);
507 fVEventNumber.ResizeTo(sig.fVEventNumber);
508 fVEventTime.SetElements(sig.fVEventTime.GetMatrixArray());
509 fVEventNumber.SetElements(sig.fVEventNumber.GetMatrixArray());
513 //_____________________________________________________________________
514 AliTPCCalibCE::AliTPCCalibCE(const TMap *config) :
515 AliTPCCalibRawBase(),
529 fNoiseThresholdMax(5.),
530 fNoiseThresholdSum(8.),
531 fIsZeroSuppressed(kFALSE),
534 fParam(new AliTPCParam),
540 fCalRocArrayT0Err(72),
543 fCalRocArrayOutliers(72),
551 fParamArrayEventPol1(72),
552 fParamArrayEventPol2(72),
553 fTMeanArrayEvent(72),
554 fQMeanArrayEvent(72),
561 fPadTimesArrayEvent(72),
563 fPadRMSArrayEvent(72),
564 fPadPedestalArrayEvent(72),
574 fVTime0OffsetCounter(72),
580 // constructor which uses a tmap as input to set some specific parameters
582 SetNameTitle("AliTPCCalibCE","AliTPCCalibCE");
585 if (config->GetValue("FirstTimeBin")) fFirstTimeBin = ((TObjString*)config->GetValue("FirstTimeBin"))->GetString().Atoi();
586 if (config->GetValue("LastTimeBin")) fLastTimeBin = ((TObjString*)config->GetValue("LastTimeBin"))->GetString().Atoi();
587 if (config->GetValue("NbinsT0")) fNbinsT0 = ((TObjString*)config->GetValue("NbinsT0"))->GetString().Atoi();
588 if (config->GetValue("XminT0")) fXminT0 = ((TObjString*)config->GetValue("XminT0"))->GetString().Atof();
589 if (config->GetValue("XmaxT0")) fXmaxT0 = ((TObjString*)config->GetValue("XmaxT0"))->GetString().Atof();
590 if (config->GetValue("NbinsQ")) fNbinsQ = ((TObjString*)config->GetValue("NbinsQ"))->GetString().Atoi();
591 if (config->GetValue("XminQ")) fXminQ = ((TObjString*)config->GetValue("XminQ"))->GetString().Atof();
592 if (config->GetValue("XmaxQ")) fXmaxQ = ((TObjString*)config->GetValue("XmaxQ"))->GetString().Atof();
593 if (config->GetValue("NbinsRMS")) fNbinsRMS = ((TObjString*)config->GetValue("NbinsRMS"))->GetString().Atoi();
594 if (config->GetValue("XminRMS")) fXminRMS = ((TObjString*)config->GetValue("XminRMS"))->GetString().Atof();
595 if (config->GetValue("XmaxRMS")) fXmaxRMS = ((TObjString*)config->GetValue("XmaxRMS"))->GetString().Atof();
596 if (config->GetValue("PeakDetMinus")) fPeakDetMinus = ((TObjString*)config->GetValue("PeakDetMinus"))->GetString().Atoi();
597 if (config->GetValue("PeakDetPlus")) fPeakDetPlus = ((TObjString*)config->GetValue("PeakDetPlus"))->GetString().Atoi();
598 if (config->GetValue("PeakIntMinus")) fPeakIntMinus = ((TObjString*)config->GetValue("PeakIntMinus"))->GetString().Atoi();
599 if (config->GetValue("PeakIntPlus")) fPeakIntPlus = ((TObjString*)config->GetValue("PeakIntPlus"))->GetString().Atoi();
600 if (config->GetValue("NoiseThresholdMax")) fNoiseThresholdMax = ((TObjString*)config->GetValue("NoiseThresholdMax"))->GetString().Atof();
601 if (config->GetValue("NoiseThresholdSum")) fNoiseThresholdSum = ((TObjString*)config->GetValue("NoiseThresholdSum"))->GetString().Atof();
602 if (config->GetValue("IsZeroSuppressed")) fIsZeroSuppressed = (Bool_t)((TObjString*)config->GetValue("IsZeroSuppressed"))->GetString().Atoi();
603 if (config->GetValue("UseL1Phase")) fUseL1Phase = (Bool_t)((TObjString*)config->GetValue("UseL1Phase"))->GetString().Atoi();
604 if (config->GetValue("SecRejectRatio")) fSecRejectRatio = ((TObjString*)config->GetValue("SecRejectRatio"))->GetString().Atof();
606 for (Int_t i=0;i<1024;++i) fPadSignal[i]=0;
611 //_____________________________________________________________________
612 AliTPCCalibCE& AliTPCCalibCE::operator = (const AliTPCCalibCE &source)
615 // assignment operator
617 if (&source == this) return *this;
618 new (this) AliTPCCalibCE(source);
622 //_____________________________________________________________________
623 AliTPCCalibCE::~AliTPCCalibCE()
629 fCalRocArrayT0.Delete();
630 fCalRocArrayT0Err.Delete();
631 fCalRocArrayQ.Delete();
632 fCalRocArrayRMS.Delete();
633 fCalRocArrayOutliers.Delete();
635 fHistoQArray.Delete();
636 fHistoT0Array.Delete();
637 fHistoRMSArray.Delete();
639 fHistoTmean.Delete();
641 fParamArrayEventPol1.Delete();
642 fParamArrayEventPol2.Delete();
643 fTMeanArrayEvent.Delete();
644 fQMeanArrayEvent.Delete();
646 fPadTimesArrayEvent.Delete();
647 fPadQArrayEvent.Delete();
648 fPadRMSArrayEvent.Delete();
649 fPadPedestalArrayEvent.Delete();
651 // if ( fHTime0 ) delete fHTime0;
654 //_____________________________________________________________________
655 Int_t AliTPCCalibCE::Update(const Int_t icsector,
658 const Int_t icTimeBin,
659 const Float_t csignal)
662 // Signal filling methode on the fly pedestal and Time offset correction if necessary.
663 // no extra analysis necessary. Assumes knowledge of the signal shape!
664 // assumes that it is looped over consecutive time bins of one pad
669 if (icRow<0) return 0;
670 if (icPad<0) return 0;
671 if (icTimeBin<0) return 0;
672 if ( (icTimeBin>fLastTimeBin) || (icTimeBin<fFirstTimeBin) ) return 0;
674 Int_t iChannel = fROC->GetRowIndexes(icsector)[icRow]+icPad; // global pad position in sector
676 //init first pad and sector in this event
677 if ( fCurrentChannel == -1 ) {
679 fCurrentChannel = iChannel;
680 fCurrentSector = icsector;
684 //process last pad if we change to a new one
685 if ( iChannel != fCurrentChannel ){
687 fLastSector=fCurrentSector;
688 fCurrentChannel = iChannel;
689 fCurrentSector = icsector;
693 //fill signals for current pad
694 fPadSignal[icTimeBin]=csignal;
695 if ( csignal > fMaxPadSignal ){
696 fMaxPadSignal = csignal;
697 fMaxTimeBin = icTimeBin;
701 //_____________________________________________________________________
702 void AliTPCCalibCE::FindPedestal(Float_t part)
705 // find pedestal and noise for the current pad. Use either database or
706 // truncated mean with part*100%
708 Bool_t noPedestal = kTRUE;
710 //use pedestal database if set
711 if (fPedestalTPC&&fPadNoiseTPC){
712 //only load new pedestals if the sector has changed
713 if ( fCurrentSector!=fLastSector ){
714 fPedestalROC = fPedestalTPC->GetCalROC(fCurrentSector);
715 fPadNoiseROC = fPadNoiseTPC->GetCalROC(fCurrentSector);
718 if ( fPedestalROC&&fPadNoiseROC ){
719 fPadPedestal = fPedestalROC->GetValue(fCurrentChannel)*(Float_t)(!fIsZeroSuppressed);
720 fPadNoise = fPadNoiseROC->GetValue(fCurrentChannel);
726 //if we are not running with pedestal database, or for the current sector there is no information
727 //available, calculate the pedestal and noise on the fly
731 if ( fIsZeroSuppressed ) return;
732 const Int_t kPedMax = 100; //maximum pedestal value
741 UShort_t histo[kPedMax];
742 memset(histo,0,kPedMax*sizeof(UShort_t));
744 //fill pedestal histogram
745 for (Int_t i=fFirstTimeBin; i<=fLastTimeBin; ++i){
746 padSignal = fPadSignal[i];
747 if (padSignal<=0) continue;
748 if (padSignal>max && i>10) {
752 if (padSignal>kPedMax-1) continue;
753 histo[int(padSignal+0.5)]++;
757 for (Int_t i=1; i<kPedMax; ++i){
758 if (count1<count0*0.5) median=i;
763 Float_t count=histo[median] ,mean=histo[median]*median, rms=histo[median]*median*median ;
765 for (Int_t idelta=1; idelta<10; ++idelta){
766 if (median-idelta<=0) continue;
767 if (median+idelta>kPedMax) continue;
768 if (count<part*count1){
769 count+=histo[median-idelta];
770 mean +=histo[median-idelta]*(median-idelta);
771 rms +=histo[median-idelta]*(median-idelta)*(median-idelta);
772 count+=histo[median+idelta];
773 mean +=histo[median+idelta]*(median+idelta);
774 rms +=histo[median+idelta]*(median+idelta)*(median+idelta);
779 rms = TMath::Sqrt(TMath::Abs(rms/count-mean*mean));
785 //_____________________________________________________________________
786 void AliTPCCalibCE::UpdateCETimeRef()
788 // Find the time reference of the last valid CE signal in sector
789 // for irocs of the A-Side the reference of the corresponging OROC is returned
790 // the reason are the non reflective bands on the A-Side, which make the reference very uncertain
791 if ( fLastSector == fCurrentSector ) return;
792 Int_t sector=fCurrentSector;
793 if ( sector < 18 ) sector+=36;
795 TVectorF *vtRef = GetTMeanEvents(sector);
796 if ( !vtRef ) return;
797 Int_t vtRefSize= vtRef->GetNrows();
798 if ( vtRefSize < fNevents+1 ) vtRef->ResizeTo(vtRefSize+100);
799 else vtRefSize=fNevents;
800 while ( (*vtRef)[vtRefSize]==0 && vtRefSize>=0 ) --vtRefSize;
801 fCurrentCETimeRef=(*vtRef)[vtRefSize];
802 AliDebug(3,Form("Sector: %02d - T0 ref: %.2f",fCurrentSector,fCurrentCETimeRef));
804 //_____________________________________________________________________
805 void AliTPCCalibCE::FindCESignal(TVectorD ¶m, Float_t &qSum, const TVectorF maxima)
808 // Find position, signal width and height of the CE signal (last signal)
809 // param[0] = Qmax, param[1] = mean time, param[2] = rms;
810 // maxima: array of local maxima of the pad signal use the one closest to the mean CE position
813 Float_t ceQmax =0, ceQsum=0, ceTime=0, ceRMS=0;
815 Float_t ceSumThreshold = fNoiseThresholdSum*fPadNoise; // threshold for the signal sum
816 const Int_t kCemin = fPeakIntMinus; // range for the analysis of the ce signal +- channels from the peak
817 const Int_t kCemax = fPeakIntPlus;
819 Float_t minDist = 25; //initial minimum distance betweek roc mean ce signal and pad ce signal
821 // find maximum closest to the sector mean from the last event
822 for ( Int_t imax=0; imax<maxima.GetNrows(); ++imax){
823 // get sector mean of last event
824 Float_t tmean = fCurrentCETimeRef;
825 if ( TMath::Abs( tmean-maxima[imax] ) < minDist ) {
826 minDist = tmean-maxima[imax];
827 cemaxpos = (Int_t)maxima[imax];
830 // printf("L1 phase TB: %f\n",GetL1PhaseTB());
832 ceQmax = fPadSignal[cemaxpos]-fPadPedestal;
833 for (Int_t i=cemaxpos-kCemin; i<=cemaxpos+kCemax; ++i){
834 if ( (i>fFirstTimeBin) && (i<fLastTimeBin) ){
835 Float_t signal = fPadSignal[i]-fPadPedestal;
837 ceTime+=signal*(i+0.5);
838 ceRMS +=signal*(i+0.5)*(i+0.5);
844 if (ceQmax&&ceQsum>ceSumThreshold) {
846 ceRMS = TMath::Sqrt(TMath::Abs(ceRMS/ceQsum-ceTime*ceTime));
847 ceTime-=GetL1PhaseTB();
848 fVTime0Offset.GetMatrixArray()[fCurrentSector]+=ceTime; // mean time for each sector
849 fVTime0OffsetCounter.GetMatrixArray()[fCurrentSector]++;
851 //Normalise Q to the 'cell-size': The wire density is the same in the IROC and OROC, therefore the
852 // the pick-up signal should scale with the pad area. In addition
853 // the signal should decrease with the wire distance (4mm in IROC, 6mm in OROC),
854 // ratio 2/3. The pad area we express in cm2. We normalise the signal
855 // to the OROC signal (factor 2/3 for the IROCs).
856 Float_t norm = fParam->GetPadPitchWidth(fCurrentSector)*fParam->GetPadPitchLength(fCurrentSector,fCurrentRow);
857 if ( fCurrentSector<fParam->GetNInnerSector() ) norm*=3./2.;
860 fVMeanQ.GetMatrixArray()[fCurrentSector]+=ceQsum;
861 fVMeanQCounter.GetMatrixArray()[fCurrentSector]++;
873 //_____________________________________________________________________
874 Bool_t AliTPCCalibCE::IsPeak(Int_t pos, Int_t tminus, Int_t tplus) const
877 // Check if 'pos' is a Maximum. Consider 'tminus' timebins before
878 // and 'tplus' timebins after 'pos'
880 if ( (pos-tminus)<fFirstTimeBin || (pos+tplus)>fLastTimeBin ) return kFALSE;
881 for (Int_t iTime = pos; iTime>pos-tminus; --iTime)
882 if ( fPadSignal[iTime-1] >= fPadSignal[iTime] ) return kFALSE;
883 for (Int_t iTime = pos, iTime2=pos; iTime<pos+tplus; ++iTime, ++iTime2){
884 if ( (iTime==pos) && (fPadSignal[iTime+1]==fPadSignal[iTime]) ) // allow two timebins with same adc value
886 if ( fPadSignal[iTime2+1] >= fPadSignal[iTime2] ) return kFALSE;
890 //_____________________________________________________________________
891 void AliTPCCalibCE::FindLocalMaxima(TVectorF &maxima)
894 // Find local maxima on the pad signal and Histogram them
896 Float_t ceThreshold = fNoiseThresholdMax*TMath::Max(fPadNoise,Float_t(1.)); // threshold for the signal
899 for (Int_t i=fLastTimeBin-fPeakDetPlus+1; i>=fFirstTimeBin+fPeakDetMinus; --i){
900 if ( (fPadSignal[i]-fPadPedestal)<ceThreshold ) continue;
901 if (IsPeak(i,fPeakDetMinus,fPeakDetPlus) ){
902 if (count<maxima.GetNrows()){
903 maxima.GetMatrixArray()[count++]=i;
904 GetHistoTmean(fCurrentSector,kTRUE)->Fill(i);
905 i-=(fPeakDetMinus+fPeakDetPlus-1); // next peak cannot be at bin fPeakDetMinus+fPeakDetPlus-1
910 //_____________________________________________________________________
911 void AliTPCCalibCE::ProcessPad()
914 // Process data of current pad
918 TVectorF maxima(15); // the expected maximum number of maxima in the complete TPC should be 8 laser beam layers
919 // + central electrode and possibly post peaks from the CE signal
920 // however if we are on a high noise pad a lot more peaks due to the noise might occur
921 FindLocalMaxima(maxima);
922 if ( (fNevents == 0) || (fOldRunNumber!=fRunNumber) ) return; // return because we don't have Time0 info for the CE yet
924 UpdateCETimeRef(); // update the time refenrence for the current sector
925 if ( fCurrentCETimeRef==0 ) return; //return if we don't have time 0 info, eg if only one side has laser
928 FindCESignal(param, qSum, maxima);
930 Double_t meanT = param[1];
931 Double_t sigmaT = param[2];
933 //Fill Event T0 counter
934 (*GetPadTimesEvent(fCurrentSector,kTRUE)).GetMatrixArray()[fCurrentChannel] = meanT;
937 GetHistoQ(fCurrentSector,kTRUE)->Fill( TMath::Sqrt(qSum), fCurrentChannel );
940 GetHistoRMS(fCurrentSector,kTRUE)->Fill( sigmaT, fCurrentChannel );
943 //Fill debugging info
944 if ( GetStreamLevel()>0 ){
945 (*GetPadPedestalEvent(fCurrentSector,kTRUE)).GetMatrixArray()[fCurrentChannel]=fPadPedestal;
946 (*GetPadRMSEvent(fCurrentSector,kTRUE)).GetMatrixArray()[fCurrentChannel]=sigmaT;
947 (*GetPadQEvent(fCurrentSector,kTRUE)).GetMatrixArray()[fCurrentChannel]=qSum;
952 //_____________________________________________________________________
953 void AliTPCCalibCE::EndEvent()
955 // Process data of current pad
956 // The Functions 'SetTimeStamp' and 'SetRunNumber' should be called
957 // before the EndEvent function to set the event timestamp and number!!!
958 // This is automatically done if the ProcessEvent(AliRawReader *rawReader)
959 // function was called
961 //check if last pad has allready been processed, if not do so
962 if ( fMaxTimeBin>-1 ) ProcessPad();
964 AliDebug(3, Form("EndEvent() - Start; Event: %05d", fNevents));
968 // TVectorF vMeanTime(72);
969 // TVectorF vMeanQ(72);
970 AliTPCCalROC *calIroc=new AliTPCCalROC(0);
971 AliTPCCalROC *calOroc=new AliTPCCalROC(36);
973 //find mean time0 offset for side A and C
974 //use only orocs due to the better statistics
975 Double_t time0Side[2]; //time0 for side A:0 and C:1
976 Double_t time0SideCount[2]; //time0 counter for side A:0 and C:1
977 time0Side[0]=0;time0Side[1]=0;time0SideCount[0]=0;time0SideCount[1]=0;
978 for ( Int_t iSec = 36; iSec<72; ++iSec ){
979 time0Side[(iSec/18)%2] += fVTime0Offset.GetMatrixArray()[iSec];
980 time0SideCount[(iSec/18)%2] += fVTime0OffsetCounter.GetMatrixArray()[iSec];
982 if ( time0SideCount[0] >0 )
983 time0Side[0]/=time0SideCount[0];
984 if ( time0SideCount[1] >0 )
985 time0Side[1]/=time0SideCount[1];
986 // end find time0 offset
987 AliDebug(3,Form("time0Side/time0SideCount: A=%.2f/%.2f, C=%.2f/%.2f",time0Side[0],time0SideCount[0],time0Side[1],time0SideCount[1]));
989 //loop over all ROCs, fill CE Time histogram corrected for the mean Time0 of each ROC
990 for ( Int_t iSec = 0; iSec<72; ++iSec ){
991 AliDebug(4,Form("Processing sector '%02d'\n",iSec));
992 //find median and then calculate the mean around it
993 TH1S *hMeanT = GetHistoTmean(iSec); //histogram with local maxima position information
994 if ( !hMeanT ) continue;
995 //continue if not enough data is filled in the meanT histogram. This is the case if we do not have a laser event.
996 if ( hMeanT->GetEffectiveEntries() < fROC->GetNChannels(iSec)*fSecRejectRatio ){
998 AliDebug(3,Form("Skipping sec. '%02d': Not enough statistics\n",iSec));
1002 Double_t entries = hMeanT->GetEffectiveEntries();
1004 Short_t *arr = hMeanT->GetArray()+1;
1006 for ( ibin=0; ibin<hMeanT->GetNbinsX(); ++ibin){
1008 if ( sum>=(entries/2.) ) break;
1011 Int_t firstBin = fFirstTimeBin+ibin-delta;
1012 Int_t lastBin = fFirstTimeBin+ibin+delta;
1013 if ( firstBin<fFirstTimeBin ) firstBin=fFirstTimeBin;
1014 if ( lastBin>fLastTimeBin ) lastBin =fLastTimeBin;
1015 Float_t median =AliMathBase::GetCOG(arr+ibin-delta,2*delta,firstBin,lastBin);
1017 // check boundaries for ebye info of mean time
1018 TVectorF *vMeanTime=GetTMeanEvents(iSec,kTRUE);
1019 Int_t vSize=vMeanTime->GetNrows();
1020 if ( vSize < fNevents+1 ){
1021 vMeanTime->ResizeTo(vSize+100);
1024 // store mean time for the readout sides
1025 vSize=fVTime0SideA.GetNrows();
1026 if ( vSize < fNevents+1 ){
1027 fVTime0SideA.ResizeTo(vSize+100);
1028 fVTime0SideC.ResizeTo(vSize+100);
1030 fVTime0SideA.GetMatrixArray()[fNevents]=time0Side[0];
1031 fVTime0SideC.GetMatrixArray()[fNevents]=time0Side[1];
1033 vMeanTime->GetMatrixArray()[fNevents]=median;
1037 TVectorF *vTimes = GetPadTimesEvent(iSec);
1038 if ( !vTimes ) continue; //continue if no time information for this sector is available
1040 AliTPCCalROC calIrocOutliers(0);
1041 AliTPCCalROC calOrocOutliers(36);
1043 // calculate mean Q of the sector
1044 TVectorF *vMeanQ=GetQMeanEvents(iSec,kTRUE);
1045 vSize=vMeanQ->GetNrows();
1046 if ( vSize < fNevents+1 ){
1047 vMeanQ->ResizeTo(vSize+100);
1050 if ( fVMeanQCounter.GetMatrixArray()[iSec]>0 ) meanQ=fVMeanQ.GetMatrixArray()[iSec]/fVMeanQCounter.GetMatrixArray()[iSec];
1051 vMeanQ->GetMatrixArray()[fNevents]=meanQ;
1053 for ( UInt_t iChannel=0; iChannel<fROC->GetNChannels(iSec); ++iChannel ){
1054 Float_t time = (*vTimes).GetMatrixArray()[iChannel];
1056 //set values for temporary roc calibration class
1058 calIroc->SetValue(iChannel, time);
1059 if ( time == 0 ) calIrocOutliers.SetValue(iChannel,1);
1062 calOroc->SetValue(iChannel, time);
1063 if ( time == 0 ) calOrocOutliers.SetValue(iChannel,1);
1066 if ( (fNevents>0) && (fOldRunNumber==fRunNumber) )
1067 // test that we really found the CE signal reliably
1068 if ( TMath::Abs(fVTime0SideA.GetMatrixArray()[fNevents-1]-time0Side[0])<.05)
1069 GetHistoT0(iSec,kTRUE)->Fill( time-time0Side[(iSec/18)%2],iChannel );
1073 //------------------------------- Debug start ------------------------------
1074 if ( GetStreamLevel()>0 ){
1075 TTreeSRedirector *streamer=GetDebugStreamer();
1081 Float_t q = (*GetPadQEvent(iSec))[iChannel];
1082 Float_t rms = (*GetPadRMSEvent(iSec))[iChannel];
1084 UInt_t channel=iChannel;
1087 while ( channel > (fROC->GetRowIndexes(sector)[row]+fROC->GetNPads(sector,row)-1) ) row++;
1088 pad = channel-fROC->GetRowIndexes(sector)[row];
1089 padc = pad-(fROC->GetNPads(sector,row)/2);
1091 // TH1F *h1 = new TH1F(Form("hSignalD%d.%d.%d",sector,row,pad),
1092 // Form("hSignalD%d.%d.%d",sector,row,pad),
1093 // fLastTimeBin-fFirstTimeBin,
1094 // fFirstTimeBin,fLastTimeBin);
1095 // h1->SetDirectory(0);
1097 // for (Int_t i=fFirstTimeBin; i<fLastTimeBin+1; ++i)
1098 // h1->Fill(i,fPadSignal(i));
1101 if (fVTime0OffsetCounter.GetMatrixArray()[iSec]>0)
1102 t0Sec = fVTime0Offset.GetMatrixArray()[iSec]/fVTime0OffsetCounter.GetMatrixArray()[iSec];
1103 Double_t t0Side = time0Side[(iSec/18)%2];
1104 (*streamer) << "DataPad" <<
1105 "Event=" << fNevents <<
1106 "RunNumber=" << fRunNumber <<
1107 "TimeStamp=" << fTimeStamp <<
1108 "Sector="<< sector <<
1112 "PadSec="<< channel <<
1113 "Time0Sec=" << t0Sec <<
1114 "Time0Side=" << t0Side <<
1118 "MeanQ=" << meanQ <<
1119 // "hist.=" << h1 <<
1125 //----------------------------- Debug end ------------------------------
1126 }// end channel loop
1129 //do fitting now only in debug mode
1130 if (GetDebugLevel()>0){
1131 TVectorD paramPol1(3);
1132 TVectorD paramPol2(6);
1133 TMatrixD matPol1(3,3);
1134 TMatrixD matPol2(6,6);
1138 if ( (fNevents>0) && (fOldRunNumber==fRunNumber) ){
1140 calIroc->GlobalFit(&calIrocOutliers,0,paramPol1,matPol1,chi2Pol1,0);
1141 calIroc->GlobalFit(&calIrocOutliers,0,paramPol2,matPol2,chi2Pol2,1);
1143 calOroc->GlobalFit(&calOrocOutliers,0,paramPol1,matPol1,chi2Pol1,0);
1144 calOroc->GlobalFit(&calOrocOutliers,0,paramPol2,matPol2,chi2Pol2,1);
1147 GetParamArrayPol1(iSec,kTRUE)->AddAtAndExpand(new TVectorD(paramPol1), fNevents);
1148 GetParamArrayPol2(iSec,kTRUE)->AddAtAndExpand(new TVectorD(paramPol2), fNevents);
1151 //------------------------------- Debug start ------------------------------
1152 if ( GetStreamLevel()>0 ){
1153 TTreeSRedirector *streamer=GetDebugStreamer();
1155 (*streamer) << "DataRoc" <<
1156 // "Event=" << fEvent <<
1157 "RunNumber=" << fRunNumber <<
1158 "TimeStamp=" << fTimeStamp <<
1160 "hMeanT.=" << hMeanT <<
1161 "median=" << median <<
1162 "paramPol1.=" << ¶mPol1 <<
1163 "paramPol2.=" << ¶mPol2 <<
1164 "matPol1.=" << &matPol1 <<
1165 "matPol2.=" << &matPol2 <<
1166 "chi2Pol1=" << chi2Pol1 <<
1167 "chi2Pol2=" << chi2Pol2 <<
1172 //------------------------------- Debug end ------------------------------
1175 //return if no sector has a valid mean time
1176 if ( nSecMeanT == 0 ) return;
1179 // fTMeanArrayEvent.AddAtAndExpand(new TVectorF(vMeanTime),fNevents);
1180 // fQMeanArrayEvent.AddAtAndExpand(new TVectorF(vMeanQ),fNevents);
1181 if ( fVEventTime.GetNrows() < fNevents+1 ) {
1182 fVEventTime.ResizeTo((Int_t)(fVEventTime.GetNrows()+100));
1183 fVEventNumber.ResizeTo((Int_t)(fVEventNumber.GetNrows()+100));
1185 fVEventTime.GetMatrixArray()[fNevents] = fTimeStamp;
1186 fVEventNumber.GetMatrixArray()[fNevents] = fEventId;
1189 fOldRunNumber = fRunNumber;
1193 AliDebug(3, Form("EndEvent() - End; Event: %05d", fNevents));
1195 //_____________________________________________________________________
1196 TH2S* AliTPCCalibCE::GetHisto(Int_t sector, TObjArray *arr,
1197 Int_t nbinsY, Float_t ymin, Float_t ymax,
1198 const Char_t *type, Bool_t force)
1201 // return pointer to TH2S histogram of 'type'
1202 // if force is true create a new histogram if it doesn't exist allready
1204 if ( !force || arr->UncheckedAt(sector) )
1205 return (TH2S*)arr->UncheckedAt(sector);
1207 // if we are forced and histogram doesn't exist yet create it
1208 Char_t name[255], title[255];
1210 sprintf(name,"hCalib%s%.2d",type,sector);
1211 sprintf(title,"%s calibration histogram sector %.2d",type,sector);
1213 // new histogram with Q calib information. One value for each pad!
1214 TH2S* hist = new TH2S(name,title,
1216 fROC->GetNChannels(sector),0,fROC->GetNChannels(sector));
1217 hist->SetDirectory(0);
1218 arr->AddAt(hist,sector);
1221 //_____________________________________________________________________
1222 TH2S* AliTPCCalibCE::GetHistoT0(Int_t sector, Bool_t force)
1225 // return pointer to T0 histogram
1226 // if force is true create a new histogram if it doesn't exist allready
1228 TObjArray *arr = &fHistoT0Array;
1229 return GetHisto(sector, arr, fNbinsT0, fXminT0, fXmaxT0, "T0", force);
1231 //_____________________________________________________________________
1232 TH2S* AliTPCCalibCE::GetHistoQ(Int_t sector, Bool_t force)
1235 // return pointer to Q histogram
1236 // if force is true create a new histogram if it doesn't exist allready
1238 TObjArray *arr = &fHistoQArray;
1239 return GetHisto(sector, arr, fNbinsQ, fXminQ, fXmaxQ, "Q", force);
1241 //_____________________________________________________________________
1242 TH2S* AliTPCCalibCE::GetHistoRMS(Int_t sector, Bool_t force)
1245 // return pointer to Q histogram
1246 // if force is true create a new histogram if it doesn't exist allready
1248 TObjArray *arr = &fHistoRMSArray;
1249 return GetHisto(sector, arr, fNbinsRMS, fXminRMS, fXmaxRMS, "RMS", force);
1251 //_____________________________________________________________________
1252 TH1S* AliTPCCalibCE::GetHisto(Int_t sector, TObjArray *arr,
1253 const Char_t *type, Bool_t force)
1256 // return pointer to TH1S histogram
1257 // if force is true create a new histogram if it doesn't exist allready
1259 if ( !force || arr->UncheckedAt(sector) )
1260 return (TH1S*)arr->UncheckedAt(sector);
1262 // if we are forced and histogram doesn't yes exist create it
1263 Char_t name[255], title[255];
1265 sprintf(name,"hCalib%s%.2d",type,sector);
1266 sprintf(title,"%s calibration histogram sector %.2d",type,sector);
1268 // new histogram with calib information. One value for each pad!
1269 TH1S* hist = new TH1S(name,title,
1270 fLastTimeBin-fFirstTimeBin,fFirstTimeBin,fLastTimeBin);
1271 hist->SetDirectory(0);
1272 arr->AddAt(hist,sector);
1275 //_____________________________________________________________________
1276 TH1S* AliTPCCalibCE::GetHistoTmean(Int_t sector, Bool_t force)
1279 // return pointer to Q histogram
1280 // if force is true create a new histogram if it doesn't exist allready
1282 TObjArray *arr = &fHistoTmean;
1283 return GetHisto(sector, arr, "LastTmean", force);
1285 //_____________________________________________________________________
1286 TVectorF* AliTPCCalibCE::GetVectSector(Int_t sector, TObjArray *arr, UInt_t size, Bool_t force) const
1289 // return pointer to Pad Info from 'arr' for the current event and sector
1290 // if force is true create it if it doesn't exist allready
1292 if ( !force || arr->UncheckedAt(sector) )
1293 return (TVectorF*)arr->UncheckedAt(sector);
1295 TVectorF *vect = new TVectorF(size);
1296 arr->AddAt(vect,sector);
1299 //_____________________________________________________________________
1300 TVectorF* AliTPCCalibCE::GetPadTimesEvent(Int_t sector, Bool_t force)
1303 // return pointer to Pad Times Array for the current event and sector
1304 // if force is true create it if it doesn't exist allready
1306 TObjArray *arr = &fPadTimesArrayEvent;
1307 return GetVectSector(sector,arr,fROC->GetNChannels(sector),force);
1309 //_____________________________________________________________________
1310 TVectorF* AliTPCCalibCE::GetPadQEvent(Int_t sector, Bool_t force)
1313 // return pointer to Pad Q Array for the current event and sector
1314 // if force is true create it if it doesn't exist allready
1315 // for debugging purposes only
1318 TObjArray *arr = &fPadQArrayEvent;
1319 return GetVectSector(sector,arr,fROC->GetNChannels(sector),force);
1321 //_____________________________________________________________________
1322 TVectorF* AliTPCCalibCE::GetPadRMSEvent(Int_t sector, Bool_t force)
1325 // return pointer to Pad RMS Array for the current event and sector
1326 // if force is true create it if it doesn't exist allready
1327 // for debugging purposes only
1329 TObjArray *arr = &fPadRMSArrayEvent;
1330 return GetVectSector(sector,arr,fROC->GetNChannels(sector),force);
1332 //_____________________________________________________________________
1333 TVectorF* AliTPCCalibCE::GetPadPedestalEvent(Int_t sector, Bool_t force)
1336 // return pointer to Pad RMS Array for the current event and sector
1337 // if force is true create it if it doesn't exist allready
1338 // for debugging purposes only
1340 TObjArray *arr = &fPadPedestalArrayEvent;
1341 return GetVectSector(sector,arr,fROC->GetNChannels(sector),force);
1343 //_____________________________________________________________________
1344 TVectorF* AliTPCCalibCE::GetTMeanEvents(Int_t sector, Bool_t force)
1347 // return pointer to the EbyE info of the mean arrival time for 'sector'
1348 // if force is true create it if it doesn't exist allready
1350 TObjArray *arr = &fTMeanArrayEvent;
1351 return GetVectSector(sector,arr,100,force);
1353 //_____________________________________________________________________
1354 TVectorF* AliTPCCalibCE::GetQMeanEvents(Int_t sector, Bool_t force)
1357 // return pointer to the EbyE info of the mean arrival time for 'sector'
1358 // if force is true create it if it doesn't exist allready
1360 TObjArray *arr = &fQMeanArrayEvent;
1361 return GetVectSector(sector,arr,100,force);
1363 //_____________________________________________________________________
1364 AliTPCCalROC* AliTPCCalibCE::GetCalRoc(Int_t sector, TObjArray* arr, Bool_t force) const
1367 // return pointer to ROC Calibration
1368 // if force is true create a new histogram if it doesn't exist allready
1370 if ( !force || arr->UncheckedAt(sector) )
1371 return (AliTPCCalROC*)arr->UncheckedAt(sector);
1373 // if we are forced and histogram doesn't yes exist create it
1375 // new AliTPCCalROC for T0 information. One value for each pad!
1376 AliTPCCalROC *croc = new AliTPCCalROC(sector);
1377 arr->AddAt(croc,sector);
1380 //_____________________________________________________________________
1381 AliTPCCalROC* AliTPCCalibCE::GetCalRocT0(Int_t sector, Bool_t force)
1384 // return pointer to Time 0 ROC Calibration
1385 // if force is true create a new histogram if it doesn't exist allready
1387 TObjArray *arr = &fCalRocArrayT0;
1388 return GetCalRoc(sector, arr, force);
1390 //_____________________________________________________________________
1391 AliTPCCalROC* AliTPCCalibCE::GetCalRocT0Err(Int_t sector, Bool_t force)
1394 // return pointer to the error of Time 0 ROC Calibration
1395 // if force is true create a new histogram if it doesn't exist allready
1397 TObjArray *arr = &fCalRocArrayT0Err;
1398 return GetCalRoc(sector, arr, force);
1400 //_____________________________________________________________________
1401 AliTPCCalROC* AliTPCCalibCE::GetCalRocQ(Int_t sector, Bool_t force)
1404 // return pointer to T0 ROC Calibration
1405 // if force is true create a new histogram if it doesn't exist allready
1407 TObjArray *arr = &fCalRocArrayQ;
1408 return GetCalRoc(sector, arr, force);
1410 //_____________________________________________________________________
1411 AliTPCCalROC* AliTPCCalibCE::GetCalRocRMS(Int_t sector, Bool_t force)
1414 // return pointer to signal width ROC Calibration
1415 // if force is true create a new histogram if it doesn't exist allready
1417 TObjArray *arr = &fCalRocArrayRMS;
1418 return GetCalRoc(sector, arr, force);
1420 //_____________________________________________________________________
1421 AliTPCCalROC* AliTPCCalibCE::GetCalRocOutliers(Int_t sector, Bool_t force)
1424 // return pointer to Outliers
1425 // if force is true create a new histogram if it doesn't exist allready
1427 TObjArray *arr = &fCalRocArrayOutliers;
1428 return GetCalRoc(sector, arr, force);
1430 //_____________________________________________________________________
1431 TObjArray* AliTPCCalibCE::GetParamArray(Int_t sector, TObjArray* arr, Bool_t force) const
1434 // return pointer to TObjArray of fit parameters
1435 // if force is true create a new histogram if it doesn't exist allready
1437 if ( !force || arr->UncheckedAt(sector) )
1438 return (TObjArray*)arr->UncheckedAt(sector);
1440 // if we are forced and array doesn't yes exist create it
1442 // new TObjArray for parameters
1443 TObjArray *newArr = new TObjArray;
1444 arr->AddAt(newArr,sector);
1447 //_____________________________________________________________________
1448 TObjArray* AliTPCCalibCE::GetParamArrayPol1(Int_t sector, Bool_t force)
1451 // return pointer to TObjArray of fit parameters from plane fit
1452 // if force is true create a new histogram if it doesn't exist allready
1454 TObjArray *arr = &fParamArrayEventPol1;
1455 return GetParamArray(sector, arr, force);
1457 //_____________________________________________________________________
1458 TObjArray* AliTPCCalibCE::GetParamArrayPol2(Int_t sector, Bool_t force)
1461 // return pointer to TObjArray of fit parameters from parabola fit
1462 // if force is true create a new histogram if it doesn't exist allready
1464 TObjArray *arr = &fParamArrayEventPol2;
1465 return GetParamArray(sector, arr, force);
1467 //_____________________________________________________________________
1468 void AliTPCCalibCE::ResetEvent()
1471 // Reset global counters -- Should be called before each event is processed
1480 fPadTimesArrayEvent.Delete();
1481 fPadQArrayEvent.Delete();
1482 fPadRMSArrayEvent.Delete();
1483 fPadPedestalArrayEvent.Delete();
1485 for ( Int_t i=0; i<72; ++i ){
1486 fVTime0Offset.GetMatrixArray()[i]=0;
1487 fVTime0OffsetCounter.GetMatrixArray()[i]=0;
1488 fVMeanQ.GetMatrixArray()[i]=0;
1489 fVMeanQCounter.GetMatrixArray()[i]=0;
1492 //_____________________________________________________________________
1493 void AliTPCCalibCE::ResetPad()
1496 // Reset pad infos -- Should be called after a pad has been processed
1498 for (Int_t i=fFirstTimeBin; i<fLastTimeBin+1; ++i)
1505 //_____________________________________________________________________
1506 void AliTPCCalibCE::Merge(AliTPCCalibCE *ce)
1509 // Merge ce to the current AliTPCCalibCE
1513 for (Int_t iSec=0; iSec<72; ++iSec){
1514 TH2S *hRefQmerge = ce->GetHistoQ(iSec);
1515 TH2S *hRefT0merge = ce->GetHistoT0(iSec);
1516 TH2S *hRefRMSmerge = ce->GetHistoRMS(iSec);
1520 TDirectory *dir = hRefQmerge->GetDirectory(); hRefQmerge->SetDirectory(0);
1521 TH2S *hRefQ = GetHistoQ(iSec);
1522 if ( hRefQ ) hRefQ->Add(hRefQmerge);
1524 TH2S *hist = new TH2S(*hRefQmerge);
1525 hist->SetDirectory(0);
1526 fHistoQArray.AddAt(hist, iSec);
1528 hRefQmerge->SetDirectory(dir);
1531 TDirectory *dir = hRefT0merge->GetDirectory(); hRefT0merge->SetDirectory(0);
1532 TH2S *hRefT0 = GetHistoT0(iSec);
1533 if ( hRefT0 ) hRefT0->Add(hRefT0merge);
1535 TH2S *hist = new TH2S(*hRefT0merge);
1536 hist->SetDirectory(0);
1537 fHistoT0Array.AddAt(hist, iSec);
1539 hRefT0merge->SetDirectory(dir);
1541 if ( hRefRMSmerge ){
1542 TDirectory *dir = hRefRMSmerge->GetDirectory(); hRefRMSmerge->SetDirectory(0);
1543 TH2S *hRefRMS = GetHistoRMS(iSec);
1544 if ( hRefRMS ) hRefRMS->Add(hRefRMSmerge);
1546 TH2S *hist = new TH2S(*hRefRMSmerge);
1547 hist->SetDirectory(0);
1548 fHistoRMSArray.AddAt(hist, iSec);
1550 hRefRMSmerge->SetDirectory(dir);
1555 // merge time information
1558 Int_t nCEevents = ce->GetNeventsProcessed();
1559 for (Int_t iSec=0; iSec<72; ++iSec){
1560 TObjArray *arrPol1CE = ce->GetParamArrayPol1(iSec);
1561 TObjArray *arrPol2CE = ce->GetParamArrayPol2(iSec);
1562 TVectorF *vMeanTimeCE = ce->GetTMeanEvents(iSec);
1563 TVectorF *vMeanQCE = ce->GetQMeanEvents(iSec);
1565 TObjArray *arrPol1 = 0x0;
1566 TObjArray *arrPol2 = 0x0;
1567 TVectorF *vMeanTime = 0x0;
1568 TVectorF *vMeanQ = 0x0;
1571 if ( arrPol1CE && arrPol2CE ){
1572 arrPol1 = GetParamArrayPol1(iSec,kTRUE);
1573 arrPol2 = GetParamArrayPol2(iSec,kTRUE);
1574 arrPol1->Expand(fNevents+nCEevents);
1575 arrPol2->Expand(fNevents+nCEevents);
1577 if ( vMeanTimeCE && vMeanQCE ){
1578 vMeanTime = GetTMeanEvents(iSec,kTRUE);
1579 vMeanQ = GetQMeanEvents(iSec,kTRUE);
1580 vMeanTime->ResizeTo(fNevents+nCEevents);
1581 vMeanQ->ResizeTo(fNevents+nCEevents);
1585 for (Int_t iEvent=0; iEvent<nCEevents; ++iEvent){
1586 if ( arrPol1CE && arrPol2CE ){
1587 TVectorD *paramPol1 = (TVectorD*)(arrPol1CE->UncheckedAt(iEvent));
1588 TVectorD *paramPol2 = (TVectorD*)(arrPol2CE->UncheckedAt(iEvent));
1589 if ( paramPol1 && paramPol2 ){
1590 GetParamArrayPol1(iSec,kTRUE)->AddAt(new TVectorD(*paramPol1), fNevents+iEvent);
1591 GetParamArrayPol2(iSec,kTRUE)->AddAt(new TVectorD(*paramPol2), fNevents+iEvent);
1594 if ( vMeanTimeCE && vMeanQCE ){
1595 vMeanTime->GetMatrixArray()[fNevents+iEvent]=vMeanTimeCE->GetMatrixArray()[iEvent];
1596 vMeanQ->GetMatrixArray()[fNevents+iEvent]=vMeanQCE->GetMatrixArray()[iEvent];
1603 TVectorD* eventTimes = ce->GetEventTimes();
1604 TVectorD* eventIds = ce->GetEventIds();
1605 fVEventTime.ResizeTo(fNevents+nCEevents);
1606 fVEventNumber.ResizeTo(fNevents+nCEevents);
1608 for (Int_t iEvent=0; iEvent<nCEevents; ++iEvent){
1609 Double_t evTime = eventTimes->GetMatrixArray()[iEvent];
1610 Double_t evId = eventIds->GetMatrixArray()[iEvent];
1611 fVEventTime.GetMatrixArray()[fNevents+iEvent] = evTime;
1612 fVEventNumber.GetMatrixArray()[fNevents+iEvent] = evId;
1614 fNevents+=nCEevents; //increase event counter
1617 //_____________________________________________________________________
1618 TGraph *AliTPCCalibCE::MakeGraphTimeCE(Int_t sector, Int_t xVariable, Int_t fitType, Int_t fitParameter)
1621 // Make graph from fit parameters of pol1 fit, pol2 fit, mean arrival time or mean Q for ROC 'sector'
1622 // or side (-1: A-Side, -2: C-Side)
1623 // xVariable: 0-event time, 1-event id, 2-internal event counter
1624 // fitType: 0-pol1 fit, 1-pol2 fit, 2-mean time, 3-mean Q
1625 // fitParameter: fit parameter ( 0-2 for pol1 ([0]+[1]*x+[2]*y),
1626 // 0-5 for pol2 ([0]+[1]*x+[2]*y+[3]*x*x+[4]*y*y+[5]*x*y),
1627 // not used for mean time and mean Q )
1628 // for an example see class description at the beginning
1631 Double_t *x = new Double_t[fNevents];
1632 Double_t *y = new Double_t[fNevents];
1634 TVectorD *xVar = 0x0;
1635 TObjArray *aType = 0x0;
1639 if ( (sector<-2) || (sector>71) ) return 0x0;
1640 if ( (xVariable<0) || (xVariable>2) ) return 0x0;
1641 if ( (fitType<0) || (fitType>3) ) return 0x0;
1642 if ( sector>=0&&!GetTMeanEvents(sector) ) return 0x0; //no mean time information available
1643 if ( sector<0 && fitType!=2) return 0x0;
1647 if ( (fitParameter<0) || (fitParameter>2) ) return 0x0;
1648 aType = &fParamArrayEventPol1;
1649 if ( aType->At(sector)==0x0 ) return 0x0;
1651 else if ( fitType==1 ){
1652 if ( (fitParameter<0) || (fitParameter>5) ) return 0x0;
1653 aType = &fParamArrayEventPol2;
1654 if ( aType->At(sector)==0x0 ) return 0x0;
1658 if ( xVariable == 0 ) xVar = &fVEventTime;
1659 if ( xVariable == 1 ) xVar = &fVEventNumber;
1660 if ( xVariable == 2 ) {
1661 xVar = new TVectorD(fNevents);
1662 for ( Int_t i=0;i<fNevents; ++i) (*xVar)[i]=i;
1665 for (Int_t ievent =0; ievent<fNevents; ++ievent){
1667 TObjArray *events = (TObjArray*)(aType->At(sector));
1668 if ( events->GetSize()<=ievent ) break;
1669 TVectorD *v = (TVectorD*)(events->At(ievent));
1670 if ( (v!=0x0) && ((*xVar)[ievent]>0) ) { x[npoints]=(*xVar)[ievent]; y[npoints]=(*v)[fitParameter]; npoints++;}
1671 } else if (fitType == 2) {
1672 Double_t xValue=(*xVar)[ievent];
1674 if (sector>=0) yValue = (*GetTMeanEvents(sector))[ievent];
1675 else if (sector==-1) yValue=fVTime0SideA(ievent);
1676 else if (sector==-2) yValue=fVTime0SideC(ievent);
1677 if ( yValue>0 && xValue>0 ) { x[npoints]=xValue; y[npoints]=yValue;npoints++;}
1678 }else if (fitType == 3) {
1679 Double_t xValue=(*xVar)[ievent];
1680 Double_t yValue=(*GetQMeanEvents(sector))[ievent];
1681 if ( yValue>0 && xValue>0 ) { x[npoints]=xValue; y[npoints]=yValue;npoints++;}
1685 TGraph *gr = new TGraph(npoints);
1686 //sort xVariable increasing
1687 Int_t *sortIndex = new Int_t[npoints];
1688 TMath::Sort(npoints,x,sortIndex);
1689 for (Int_t i=0;i<npoints;++i){
1690 gr->SetPoint(i,x[sortIndex[i]],y[sortIndex[i]]);
1694 if ( xVariable == 2 ) delete xVar;
1700 //_____________________________________________________________________
1701 void AliTPCCalibCE::Analyse()
1704 // Calculate calibration constants
1708 TVectorD paramT0(3);
1709 TVectorD paramRMS(3);
1710 TMatrixD dummy(3,3);
1712 Float_t channelCounter=0;
1717 for (Int_t iSec=0; iSec<72; ++iSec){
1718 TH2S *hT0 = GetHistoT0(iSec);
1719 if (!hT0 ) continue;
1721 AliTPCCalROC *rocQ = GetCalRocQ (iSec,kTRUE);
1722 AliTPCCalROC *rocT0 = GetCalRocT0 (iSec,kTRUE);
1723 AliTPCCalROC *rocT0Err = GetCalRocT0Err (iSec,kTRUE);
1724 AliTPCCalROC *rocRMS = GetCalRocRMS(iSec,kTRUE);
1725 AliTPCCalROC *rocOut = GetCalRocOutliers(iSec,kTRUE);
1727 TH2S *hQ = GetHistoQ(iSec);
1728 TH2S *hRMS = GetHistoRMS(iSec);
1730 Short_t *arrayhQ = hQ->GetArray();
1731 Short_t *arrayhT0 = hT0->GetArray();
1732 Short_t *arrayhRMS = hRMS->GetArray();
1734 UInt_t nChannels = fROC->GetNChannels(iSec);
1742 for (UInt_t iChannel=0; iChannel<nChannels; ++iChannel){
1745 Float_t cogTime0 = -1000;
1746 Float_t cogQ = -1000;
1747 Float_t cogRMS = -1000;
1753 Int_t offsetQ = (fNbinsQ+2)*(iChannel+1)+1;
1754 Int_t offsetT0 = (fNbinsT0+2)*(iChannel+1)+1;
1755 Int_t offsetRMS = (fNbinsRMS+2)*(iChannel+1)+1;
1757 cogQ = AliMathBase::GetCOG(arrayhQ+offsetQ,fNbinsQ,fXminQ,fXmaxQ,&rms);
1759 cogTime0 = AliMathBase::GetCOG(arrayhT0+offsetT0,fNbinsT0,fXminT0,fXmaxT0,&rmsT0);
1761 cogRMS = AliMathBase::GetCOG(arrayhRMS+offsetRMS,fNbinsRMS,fXminRMS,fXmaxRMS,&rms);
1766 //outlier specifications
1767 if ( (cogQ < ??) && (cogTime0 > ??) && (cogTime0<??) && ( cogRMS>??) ){
1774 rocQ->SetValue(iChannel, cogQ*cogQ);
1775 rocT0->SetValue(iChannel, cogTime0);
1776 rocT0Err->SetValue(iChannel, rmsT0);
1777 rocRMS->SetValue(iChannel, cogRMS);
1778 rocOut->SetValue(iChannel, cogOut);
1782 if ( GetStreamLevel() > 0 ){
1783 TTreeSRedirector *streamer=GetDebugStreamer();
1786 while ( iChannel > (fROC->GetRowIndexes(iSec)[row]+fROC->GetNPads(iSec,row)-1) ) row++;
1787 pad = iChannel-fROC->GetRowIndexes(iSec)[row];
1788 padc = pad-(fROC->GetNPads(iSec,row)/2);
1790 (*streamer) << "DataEnd" <<
1791 "Sector=" << iSec <<
1795 "PadSec=" << iChannel <<
1797 "T0=" << cogTime0 <<
1807 if ( channelCounter>0 ){
1808 fMeanT0rms/=channelCounter;
1809 fMeanQrms/=channelCounter;
1810 fMeanRMSrms/=channelCounter;
1812 // if ( fDebugStreamer ) fDebugStreamer->GetFile()->Write();
1813 // delete fDebugStreamer;
1814 // fDebugStreamer = 0x0;
1815 fVEventTime.ResizeTo(fNevents);
1816 fVEventNumber.ResizeTo(fNevents);
1817 fVTime0SideA.ResizeTo(fNevents);
1818 fVTime0SideC.ResizeTo(fNevents);