1 /**************************************************************************
2 * Copyright(c) 2007-08, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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 **************************************************************************/
17 ///////////////////////////////////////////////////////////////////////////////
19 // Class for Evaluation and Validation of the ALTRO Tail Cancelation Filter //
20 // (TCF) parameters out of TPC Raw data //
22 // Author: Stefan Rossegger, Simon Feigl //
24 ///////////////////////////////////////////////////////////////////////////////
26 #include "AliTPCCalibTCF.h"
36 #include <AliSysInfo.h>
40 #include <TEntryList.h>
41 #include "AliRawReaderRoot.h"
42 #include "AliRawHLTManager.h"
43 #include "AliTPCRawStream.h"
44 #include "AliTPCRawStreamV3.h"
45 #include "AliTPCROC.h"
47 #include "AliTPCAltroEmulator.h"
49 #include "AliTPCmapper.h"
52 ClassImp(AliTPCCalibTCF)
54 AliTPCCalibTCF::AliTPCCalibTCF() :
66 // AliTPCCalibTCF standard constructor
70 //_____________________________________________________________________________
71 AliTPCCalibTCF::AliTPCCalibTCF(Int_t gateWidth, Int_t sample, Int_t pulseLength, Int_t lowPulseLim, Int_t upPulseLim, Double_t rmsLim, Double_t ratioIntLim) :
73 fGateWidth(gateWidth),
75 fPulseLength(pulseLength),
76 fLowPulseLim(lowPulseLim),
77 fUpPulseLim(upPulseLim),
79 fRatioIntLim(ratioIntLim)
82 // AliTPCCalibTCF constructor with specific (non-standard) thresholds
86 //_____________________________________________________________________________
87 AliTPCCalibTCF::AliTPCCalibTCF(const AliTPCCalibTCF &tcf) :
89 fGateWidth(tcf.fGateWidth),
91 fPulseLength(tcf.fPulseLength),
92 fLowPulseLim(tcf.fLowPulseLim),
93 fUpPulseLim(tcf.fUpPulseLim),
95 fRatioIntLim(tcf.fRatioIntLim)
98 // AliTPCCalibTCF copy constructor
103 //_____________________________________________________________________________
104 AliTPCCalibTCF& AliTPCCalibTCF::operator = (const AliTPCCalibTCF &source)
107 // AliTPCCalibTCF assignment operator
110 if (&source == this) return *this;
111 new (this) AliTPCCalibTCF(source);
117 //_____________________________________________________________________________
118 AliTPCCalibTCF::~AliTPCCalibTCF()
121 // AliTPCCalibTCF destructor
126 //_____________________________________________________________________________
127 void AliTPCCalibTCF::ProcessRawFileV3(const char *nameRawFile, const char *nameFileOut) {
129 // New RCU data format!: Standard middle of 2009
131 // Loops over all events within one RawData file and collects proper pulses
132 // (according to given tresholds) per pad
133 // Histograms per pad are stored in 'nameFileOut'
136 AliRawReader *rawReader = AliRawReader::Create(nameRawFile);
138 printf("Could not create a raw reader for %s\n",nameRawFile);
142 rawReader->RewindEvents(); // just to make sure
144 rawReader->Select("TPC");
146 if (!rawReader->NextEvent()) {
147 printf("no events found in %s\n",nameRawFile);
152 AliTPCRawStreamV3 rawStream(rawReader);
156 AliSysInfo::AddStamp(Form("start_event_%d",ievent), ievent,-1,-1);
157 printf("Reading next event ... Nr: %d\n",ievent);
158 // Start the basic data extraction
159 ProcessRawEventV3(rawReader, &rawStream, nameFileOut);
160 AliSysInfo::AddStamp(Form("end_event_%d",ievent), ievent,-1,-1);
163 } while (rawReader->NextEvent());
165 rawReader->~AliRawReader();
170 //_____________________________________________________________________________
171 void AliTPCCalibTCF::ProcessRawFile(const char *nameRawFile, const char *nameFileOut, bool bUseHLTOUT) {
173 // Loops over all events within one RawData file and collects proper pulses
174 // (according to given tresholds) per pad
175 // Histograms per pad are stored in 'nameFileOut'
178 // create the data reader
179 AliRawReader *rawReader = new AliRawReaderRoot(nameRawFile);
184 // create HLT reader for redirection of TPC data from HLTOUT to TPC reconstruction
185 AliRawReader *hltReader=AliRawHLTManager::AliRawHLTManager::CreateRawReaderHLT(rawReader, "TPC");
187 // now choose the data source
188 if (bUseHLTOUT) rawReader=hltReader;
190 // rawReader->Reset();
191 rawReader->RewindEvents();
193 if (!rawReader->NextEvent()) {
194 printf("no events found in %s\n",nameRawFile);
200 AliSysInfo::AddStamp(Form("start_event_%d",ievent), ievent,-1,-1);
201 printf("Reading next event ... Nr: %d\n",ievent);
202 AliTPCRawStream *rawStream = new AliTPCRawStream(rawReader);
203 rawReader->Select("TPC");
204 ProcessRawEvent(rawStream, nameFileOut);
206 AliSysInfo::AddStamp(Form("end_event_%d",ievent), ievent,-1,-1);
208 } while (rawReader->NextEvent());
210 rawReader->~AliRawReader();
215 //_____________________________________________________________________________
216 void AliTPCCalibTCF::ProcessRawEventV3( AliRawReader *rawReader, AliTPCRawStreamV3 *rawStream, const char *nameFileOut) {
218 // New RCU data format!: Standard middle of 2009
220 // Extracts proper pulses (according the given tresholds) within one event
221 // and accumulates them into one histogram per pad. All histograms are
222 // saved in the file 'nameFileOut'.
223 // The first bins of the histograms contain the following information:
224 // bin 1: Number of accumulated pulses
225 // bin 2;3;4: Sector; Row; Pad;
228 TFile fileOut(nameFileOut,"UPDATE");
231 TH1I *tempHis = new TH1I("tempHis","tempHis",fSample,fGateWidth,fSample+fGateWidth);
232 TH1I *tempRMSHis = new TH1I("tempRMSHis","tempRMSHis",2000,0,2000);
234 // loop over the data in this event
236 while (rawStream->NextDDL() ) {
238 Int_t ddl = rawReader->GetDDLID();
240 while (rawStream->NextChannel() ) {
242 while (rawStream->NextBunch() ) {
244 Int_t t0 = rawStream->GetStartTimeBin();
245 Int_t bl = rawStream->GetBunchLength();
247 if (bl<fSample+fGateWidth) continue;
249 Int_t sector = rawStream->GetSector();
250 Int_t row = rawStream->GetRow();
251 Int_t pad = rawStream->GetPad();
253 UShort_t *signals=(UShort_t*)rawStream->GetSignals();
254 if (!signals) continue;
256 // Write to temporary histogramm
257 for (Int_t i=0;i<bl;++i) {
259 UShort_t signal=signals[i];
260 if ( (fGateWidth<time) && (time<=fSample+fGateWidth) ) {
261 tempHis->SetBinContent(time-fGateWidth,signal);
265 // calculation of the pulse properties and comparison to thresholds settings
267 Int_t max = (Int_t)tempHis->GetMaximum(FLT_MAX);
268 Int_t maxpos = tempHis->GetMaximumBin();
270 Int_t first = (Int_t)TMath::Max(maxpos-10, 0);
271 Int_t last = TMath::Min((Int_t)maxpos+fPulseLength-10, fSample+fGateWidth);
273 // simple baseline substraction ? better one needed ? (pedestalsubstr.?)
274 // and RMS calculation with timebins before the pulse and at the end of
276 for (Int_t ipos = 0; ipos<6; ipos++) {
278 tempRMSHis->Fill(tempHis->GetBinContent(first+ipos));
280 for (Int_t ipos = 0; ipos<20; ipos++) {
281 // at the end to get rid of pulses with serious baseline fluctuations
282 tempRMSHis->Fill(tempHis->GetBinContent(last-ipos));
285 Double_t baseline = tempRMSHis->GetMean();
286 Double_t rms = tempRMSHis->GetRMS();
289 Double_t lowLim = fLowPulseLim+baseline;
290 Double_t upLim = fUpPulseLim+baseline;
292 // get rid of pulses which contain gate signal and/or too much noise
293 // with the help of ratio of integrals
294 Double_t intHist = 0;
295 Double_t intPulse = 0;
297 for(Int_t ipos=first; ipos<=last; ipos++) {
298 binValue = TMath::Abs(tempHis->GetBinContent(ipos) - baseline);
300 if(ipos>=first+5 && ipos<=first+15) {intPulse += binValue;}
303 // gets rid of high frequency noise:
304 // calculating ratio (value one to the right of maximum)/(maximum)
305 // has to be >= 0.1; if maximum==0 set ratio to 0.1
306 Double_t maxCorr = max - baseline;
307 Double_t binRatio = 0.1;
308 if(TMath::Abs(maxCorr)>1e-5) {
309 binRatio = (tempHis->GetBinContent(maxpos+1) - baseline) / maxCorr;
312 // Decision if found pulse is a proper one according to given tresholds
313 if (max>lowLim && max<upLim && !((last-first)<fPulseLength) && rms<fRMSLim && (intHist/intPulse)<fRatioIntLim &&intPulse>10&& (binRatio >= 0.1) ) {
315 // 1D histogramm for mean pulse per pad
317 snprintf(hname,100,"sec%drow%dpad%d",sector,row,pad);
319 TH1F *his = (TH1F*)fileOut.Get(hname);
321 if (!his ) { // new entry (pulse in new pad found)
323 his = new TH1F(hname,hname, fPulseLength+5, 0, fPulseLength+5);
324 his->SetBinContent(1,1); // pulse counter (1st pulse)
325 his->SetBinContent(2,sector); // sector
326 his->SetBinContent(3,row); // row
327 his->SetBinContent(4,pad); // pad
329 for (Int_t ipos=0; ipos<last-first; ipos++){
330 Int_t signal = (Int_t)(tempHis->GetBinContent(ipos+first)-baseline);
331 his->SetBinContent(ipos+5,signal);
334 printf("new %s: Signal %d at bin %d \n", hname, max-(Int_t)baseline, maxpos+fGateWidth);
336 } else { // adding pulse to existing histogram (pad already found)
338 his->AddBinContent(1,1); // pulse counter for each pad
339 for (Int_t ipos=0; ipos<last-first; ipos++){
340 Int_t signal= (Int_t)(tempHis->GetBinContent(ipos+first)-baseline);
341 his->AddBinContent(ipos+5,signal);
343 printf("adding ... %s: Signal %d at bin %d \n", hname, max-(Int_t)baseline, maxpos+fGateWidth);
344 his->Write(hname,kOverwrite);
348 // 2D histogramm for pulse spread within a DDL (normalized to one)
350 snprintf(hname2d,100,"2Dhisto_ddl%d",ddl);
351 TH2F *his2d = (TH2F*)fileOut.Get(hname2d);
352 if (!his2d ) { // new entry (ddl was not seen before)
354 his2d = new TH2F(hname2d,hname2d, fPulseLength, 0., (Double_t)fPulseLength, 50,-0.02,0.02);
355 for (Int_t ipos=0; ipos<last-first; ipos++){
356 Double_t signal = tempHis->GetBinContent(ipos+first)-baseline;
357 his2d->Fill(ipos,signal/maxCorr);
359 his2d->Write(hname2d);
360 printf("new %s: \n", hname2d);
362 } else { // adding pulse to existing histogram
364 for (Int_t ipos=0; ipos<last-first; ipos++){
365 Double_t signal= tempHis->GetBinContent(ipos+first)-baseline;
366 his2d->Fill(ipos,signal/maxCorr);
368 his2d->Write(hname2d,kOverwrite);
381 printf("Finished to read event ... \n");
387 //_____________________________________________________________________________
388 void AliTPCCalibTCF::ProcessRawEvent(AliTPCRawStream *rawStream, const char *nameFileOut) {
390 // Extracts proper pulses (according the given tresholds) within one event
391 // and accumulates them into one histogram per pad. All histograms are
392 // saved in the file 'nameFileOut'.
393 // The first bins of the histograms contain the following information:
394 // bin 1: Number of accumulated pulses
395 // bin 2;3;4: Sector; Row; Pad;
400 Int_t sector = rawStream->GetSector();
401 Int_t row = rawStream->GetRow();
403 Int_t prevSec = 999999;
404 Int_t prevRow = 999999;
405 Int_t prevPad = 999999;
406 Int_t prevTime = 999999;
408 TFile fileOut(nameFileOut,"UPDATE");
411 TH1I *tempHis = new TH1I("tempHis","tempHis",fSample+fGateWidth,fGateWidth,fSample+fGateWidth);
412 TH1I *tempRMSHis = new TH1I("tempRMSHis","tempRMSHis",2000,0,2000);
414 // printf("raw next: %d\n",rawStream->Next());
416 while (rawStream->Next()) {
418 // in case of a new row, get sector and row number
419 if (rawStream->IsNewRow()){
420 sector = rawStream->GetSector();
421 row = rawStream->GetRow();
422 // if (sector!=prevSec) AliSysInfo::AddStamp(Form("sector_%d_row_%d",sector,row), -1,sector,row);
425 Int_t pad = rawStream->GetPad();
426 Int_t time = rawStream->GetTime();
427 Int_t signal = rawStream->GetSignal();
429 //printf("%d: t:%d sig:%d\n",pad,time,signal);
431 // Reading signal from one Pad
432 if (!rawStream->IsNewPad()) {
434 // this pad always gave a useless signal, probably induced by the supply
435 // voltage of the gate signal (date:2008-Aug-07)
436 if(sector==51 && row==95 && pad==0) {
440 // only process pulses of pads with correct address
441 if(sector<0 || sector+1 > Int_t(AliTPCROC::Instance()->GetNSector())) {
444 if(row<0 || row+1 > Int_t(AliTPCROC::Instance()->GetNRows(sector))) {
447 if(pad<0 || pad+1 > Int_t(AliTPCROC::Instance()->GetNPads(sector,row))) {
452 //printf("Wrong time: %d %d\n",rawStream->GetTime(),prevTime);
455 // still the same pad, save signal to temporary histogram
456 if ( (time<=fSample+fGateWidth) && (time>=fGateWidth)) {
457 tempHis->SetBinContent(time,signal);
463 // complete pulse found and stored into tempHis, now calculation
464 // of the properties and comparison to given thresholds
466 Int_t max = (Int_t)tempHis->GetMaximum(FLT_MAX);
467 Int_t maxpos = tempHis->GetMaximumBin();
469 Int_t first = (Int_t)TMath::Max(maxpos-10, 0);
470 Int_t last = TMath::Min((Int_t)maxpos+fPulseLength-10, fSample+fGateWidth);
472 // simple baseline substraction ? better one needed ? (pedestalsubstr.?)
473 // and RMS calculation with timebins before the pulse and at the end of
475 for (Int_t ipos = 0; ipos<6; ipos++) {
477 tempRMSHis->Fill(tempHis->GetBinContent(first+ipos));
479 for (Int_t ipos = 0; ipos<20; ipos++) {
480 // at the end to get rid of pulses with serious baseline fluctuations
481 tempRMSHis->Fill(tempHis->GetBinContent(last-ipos));
484 Double_t baseline = tempRMSHis->GetMean();
485 Double_t rms = tempRMSHis->GetRMS();
488 Double_t lowLim = fLowPulseLim+baseline;
489 Double_t upLim = fUpPulseLim+baseline;
491 // get rid of pulses which contain gate signal and/or too much noise
492 // with the help of ratio of integrals
493 Double_t intHist = 0;
494 Double_t intPulse = 0;
496 for(Int_t ipos=first; ipos<=last; ipos++) {
497 binValue = TMath::Abs(tempHis->GetBinContent(ipos) - baseline);
499 if(ipos>=first+5 && ipos<=first+25) {intPulse += binValue;}
502 // gets rid of high frequency noise:
503 // calculating ratio (value one to the right of maximum)/(maximum)
504 // has to be >= 0.1; if maximum==0 set ratio to 0.1
505 Double_t maxCorr = max - baseline;
506 Double_t binRatio = 0.1;
507 if(TMath::Abs(maxCorr)>1e-5) {
508 binRatio = (tempHis->GetBinContent(maxpos+1) - baseline) / maxCorr;
511 // Decision if found pulse is a proper one according to given tresholds
512 if (max>lowLim && max<upLim && !((last-first)<fPulseLength) && rms<fRMSLim && (intHist/intPulse)<fRatioIntLim && (binRatio >= 0.1) ) {
514 snprintf(hname,100,"sec%drow%dpad%d",prevSec,prevRow,prevPad);
516 TH1F *his = (TH1F*)fileOut.Get(hname);
518 if (!his ) { // new entry (pulse in new pad found)
520 his = new TH1F(hname,hname, fPulseLength+4, 0, fPulseLength+4);
521 his->SetBinContent(1,1); // pulse counter (1st pulse)
522 his->SetBinContent(2,prevSec); // sector
523 his->SetBinContent(3,prevRow); // row
524 his->SetBinContent(4,prevPad); // pad
526 for (Int_t ipos=0; ipos<last-first; ipos++){
527 signal = (Int_t)(tempHis->GetBinContent(ipos+first)-baseline);
528 his->SetBinContent(ipos+5,signal);
531 printf("new %s: Signal %d at bin %d \n", hname, max-(Int_t)baseline, maxpos+fGateWidth);
533 } else { // adding pulse to existing histogram (pad already found)
535 his->AddBinContent(1,1); // pulse counter for each pad
536 for (Int_t ipos=0; ipos<last-first; ipos++){
537 signal= (Int_t)(tempHis->GetBinContent(ipos+first)-baseline);
538 his->AddBinContent(ipos+5,signal);
540 printf("adding ... %s: Signal %d at bin %d \n", hname, max-(Int_t)baseline, maxpos+fGateWidth);
541 his->Write(hname,kOverwrite);
554 printf("Finished to read event ... \n");
558 //____________________________________________________________________________
559 void AliTPCCalibTCF::MergeHistoPerSector(const char *nameFileIn) {
561 // Merges all histograms within one sector, calculates the TCF parameters
562 // of the 'histogram-per-sector' and stores (histo and parameters) into
563 // seperated files ...
565 // note: first 4 timebins of a histogram hold specific informations
566 // about number of collected pulses, sector, row and pad
568 // 'nameFileIn': root file produced with Process function which holds
569 // one histogram per pad (sum of signals of proper pulses)
570 // 'Sec+nameFileIn': root file with one histogram per sector
571 // (information of row and pad are set to -1)
574 TFile fileIn(nameFileIn,"READ");
577 TIter next( fileIn.GetListOfKeys() );
579 char nameFileOut[100];
580 snprintf(nameFileOut,100,"Sec-%s",nameFileIn);
582 TFile fileOut(nameFileOut,"RECREATE");
585 Int_t nHist = fileIn.GetNkeys();
586 Int_t iHist = 0; // histogram counter for merge-status print
588 while ( (key=(TKey*)next()) ) {
591 TString name(key->GetName());
592 if (name.Contains("ddl") ) continue; // ignore the 2d histogramms per ddl
594 hisPad = (TH1F*)fileIn.Get(name.Data()); // copy object to memory
596 Int_t pulseLength = hisPad->GetNbinsX() -4;
597 // -4 because first four timebins contain pad specific informations
598 Int_t npulse = (Int_t)hisPad->GetBinContent(1);
599 Int_t sector = (Int_t)hisPad->GetBinContent(2);
602 snprintf(hname,100,"sector%d",sector);
603 TH1F *his = (TH1F*)fileOut.Get(hname);
605 if (!his ) { // new histogram (new sector)
606 his = new TH1F(hname,hname, pulseLength+4, 0, pulseLength+4);
607 his->SetBinContent(1,npulse); // pulse counter
608 his->SetBinContent(2,sector); // set sector info
609 his->SetBinContent(3,-1); // set to dummy value
610 his->SetBinContent(4,-1); // set to dummy value
611 for (Int_t ipos=0; ipos<pulseLength; ipos++){
612 his->SetBinContent(ipos+5,hisPad->GetBinContent(ipos+5));
615 printf("found %s ...\n", hname);
616 } else { // add to existing histogram for sector
617 his->AddBinContent(1,npulse); // pulse counter
618 for (Int_t ipos=0; ipos<pulseLength; ipos++){
619 his->AddBinContent(ipos+5,hisPad->GetBinContent(ipos+5));
621 his->Write(hname,kOverwrite);
625 printf("merging status: \t %d pads out of %d \n",iHist, nHist);
629 printf("merging done ...\n");
637 //____________________________________________________________________________
638 void AliTPCCalibTCF::AnalyzeRootFile(const char *nameFileIn, Int_t minNumPulse, Int_t histStart, Int_t histEnd) {
640 // This function takes a prepeared root file (accumulated histograms: output
641 // of process function) and performs an analysis (fit and equalization) in
642 // order to get the TCF parameters. These are stored in an TNtuple along with
643 // the pad and creation infos. The tuple is written to the output file
644 // "TCFparam+nameFileIn"
645 // To reduce the analysis time, the minimum number of accumulated pulses within
646 // one histogram 'minNumPulse' (to perform the analysis on) can be set
649 TFile fileIn(nameFileIn,"READ");
652 TIter next( fileIn.GetListOfKeys() );
654 char nameFileOut[100];
655 snprintf(nameFileOut,100,"TCF-%s",nameFileIn);
657 TFile fileOut(nameFileOut,"RECREATE");
660 TNtuple *paramTuple = new TNtuple("TCFparam","TCFparameter","sec:row:pad:npulse:Z0:Z1:Z2:P0:P1:P2");
662 Int_t nHist = fileIn.GetNkeys();
663 Int_t iHist = 0; // counter for print of analysis-status
665 while ((key = (TKey *) next())) { // loop over histograms
667 if(iHist < histStart || iHist > histEnd) {continue;}
669 TString name(key->GetName());
670 if (name.Contains("ddl") ) continue; // ignore the 2d histogramms per ddl
672 hisIn = (TH1F*)fileIn.Get(key->GetName()); // copy object to memory
674 Int_t numPulse = (Int_t)hisIn->GetBinContent(1);
675 if ( numPulse >= minNumPulse ) {
676 printf("Analyze histogram %d out of %d\n",iHist,nHist);
677 Double_t* coefP = new Double_t[3];
678 Double_t* coefZ = new Double_t[3];
679 for(Int_t i = 0; i < 3; i++){
683 // perform the analysis on the given histogram
684 Int_t fitOk = AnalyzePulse(hisIn, coefZ, coefP);
685 if (fitOk) { // Add found parameters to file
686 Int_t sector = (Int_t)hisIn->GetBinContent(2);
687 Int_t row = (Int_t)hisIn->GetBinContent(3);
688 Int_t pad = (Int_t)hisIn->GetBinContent(4);
689 paramTuple->Fill(sector,row,pad,numPulse,coefZ[0],coefZ[1],coefZ[2],coefP[0],coefP[1],coefP[2]);
694 printf("Skip histogram %d out of %d | not enough accumulated pulses\n",iHist,nHist);
706 //____________________________________________________________________________
707 Int_t AliTPCCalibTCF::AnalyzePulse(TH1F * const hisIn, Double_t *coefZ, Double_t *coefP) {
709 // Performs the analysis on one specific pulse (histogram) by means of fitting
710 // the pulse and equalization of the pulseheight. The found TCF parameters
711 // are stored in the arrays coefZ and coefP
714 Int_t pulseLength = hisIn->GetNbinsX() -4;
715 // -4 because the first four timebins usually contain pad specific informations
716 Int_t npulse = (Int_t)hisIn->GetBinContent(1);
717 Int_t sector = (Int_t)hisIn->GetBinContent(2);
718 Int_t row = (Int_t)hisIn->GetBinContent(3);
719 Int_t pad = (Int_t)hisIn->GetBinContent(4);
721 // write pulseinformation to TNtuple and normalize to 100 ADC (because of
722 // given upper and lower fit parameter limits) in order to pass the pulse
725 TNtuple *dataTuple = new TNtuple("ntupleFit","Pulse","timebin:sigNorm:error");
726 Double_t error = 0.05;
727 Double_t max = hisIn->GetMaximum(FLT_MAX);
728 for (Int_t ipos=0; ipos<pulseLength; ipos++) {
729 Double_t errorz=error;
730 if (ipos>100) { errorz = error*100; } // very simple weight: FIXME in case
731 Double_t signal = hisIn->GetBinContent(ipos+5);
732 Double_t signalNorm = signal/max*100; //pulseheight normaliz. to 100ADC
733 dataTuple->Fill(ipos, signalNorm, errorz);
736 // Call fit function (TMinuit) to get the first 2 PZ Values for the
737 // Tail Cancelation Filter
738 Int_t fitOk = FitPulse(dataTuple, coefZ, coefP);
741 // calculates the 3rd set (remaining 2 PZ values) in order to restore the
742 // original height of the pulse
743 Int_t equOk = Equalization(dataTuple, coefZ, coefP);
745 Error("FindFit", "Pulse equalisation procedure failed - pulse abandoned ");
746 printf("in Sector %d | Row %d | Pad %d |", sector, row, pad);
747 printf(" Npulses: %d \n\n", npulse);
748 coefP[2] = 0; coefZ[2] = 0;
749 dataTuple->~TNtuple();
752 printf("Calculated TCF parameters for: \n");
753 printf("Sector %d | Row %d | Pad %d |", sector, row, pad);
754 printf(" Npulses: %d \n", npulse);
755 for(Int_t i = 0; i < 3; i++){
756 printf("P[%d] = %f Z[%d] = %f \n",i,coefP[i],i,coefZ[i]);
757 if (i==2) { printf("\n"); }
759 dataTuple->~TNtuple();
761 } else { // fit did not converge
762 Error("FindFit", "TCF fit not converged - pulse abandoned ");
763 printf("in Sector %d | Row %d | Pad %d |", sector, row, pad);
764 printf(" Npulses: %d \n\n", npulse);
765 coefP[2] = 0; coefZ[2] = 0;
766 dataTuple->~TNtuple();
774 //____________________________________________________________________________
775 void AliTPCCalibTCF::TestTCFonRootFile(const char *nameFileIn, const char *nameFileTCF, Int_t minNumPulse, Int_t plotFlag, Int_t lowKey, Int_t upKey)
778 // Performs quality parameters evaluation of the calculated TCF parameters in
779 // the file 'nameFileTCF' for every (accumulated) histogram within the
780 // prepeared root file 'nameFileIn'.
781 // The found quality parameters are stored in an TNtuple which will be saved
782 // in a Root file 'Quality-*'.
783 // If the parameter for the given pulse (given pad) was not found, the pulse
787 TFile fileIn(nameFileIn,"READ");
789 Double_t* coefP = new Double_t[3];
790 Double_t* coefZ = new Double_t[3];
791 for(Int_t i = 0; i < 3; i++){
796 char nameFileOut[100];
797 snprintf(nameFileOut,100,"Quality_%s_AT_%s",nameFileTCF, nameFileIn);
798 TFile fileOut(nameFileOut,"RECREATE");
800 TNtuple *qualityTuple = new TNtuple("TCFquality","TCF quality Values","sec:row:pad:npulse:heightDev:areaRed:widthRed:undershot:maxUndershot");
804 TIter next( fileIn.GetListOfKeys() );
806 Int_t nHist = fileIn.GetNkeys();
809 for(Int_t i=0;i<lowKey-1;i++){++iHist; key = (TKey *) next();}
810 while ((key = (TKey *) next())) { // loop over saved histograms
812 // loading pulse to memory;
813 TString name(key->GetName());
814 if (name.Contains("ddl") ) continue; // ignore the 2d histogramms per ddl
816 printf("validating pulse %d out of %d\n",++iHist,nHist);
817 hisIn = (TH1F*)fileIn.Get(key->GetName());
819 // find the correct TCF parameter according to the his infos (first 4 bins)
820 Int_t nPulse = FindCorTCFparam(hisIn, nameFileTCF, coefZ, coefP);
821 if (nPulse>=minNumPulse) { // doing the TCF quality analysis
822 Double_t *quVal = GetQualityOfTCF(hisIn,coefZ,coefP, plotFlag);
823 Int_t sector = (Int_t)hisIn->GetBinContent(2);
824 Int_t row = (Int_t)hisIn->GetBinContent(3);
825 Int_t pad = (Int_t)hisIn->GetBinContent(4);
826 qualityTuple->Fill(sector,row,pad,nPulse,quVal[0],quVal[1],quVal[2],quVal[3],quVal[4],quVal[5]);
830 if (iHist>=upKey) {break;}
835 qualityTuple->Write();
847 //_____________________________________________________________________________
848 void AliTPCCalibTCF::TestTCFonRawFile(const char *nameRawFile, const char *nameFileOut, const char *nameFileTCF, Int_t minNumPulse, Int_t plotFlag, bool bUseHLTOUT) {
850 // Performs quality parameters evaluation of the calculated TCF parameters in
851 // the file 'nameFileTCF' for every proper pulse (according to given thresholds)
852 // within the RAW file 'nameRawFile'.
853 // The found quality parameters are stored in a TNtuple which will be saved
854 // in the Root file 'nameFileOut'. If the parameter for the given pulse
855 // (given pad) was not found, the pulse is rejected.
859 // Reads a RAW data file, extracts Pulses (according the given tresholds)
860 // and test the found TCF parameters on them ...
864 // create the data reader
865 AliRawReader *rawReader = new AliRawReaderRoot(nameRawFile);
870 // create HLT reader for redirection of TPC data from HLTOUT to TPC reconstruction
871 AliRawReader *hltReader=AliRawHLTManager::AliRawHLTManager::CreateRawReaderHLT(rawReader, "TPC");
873 // now choose the data source
874 if (bUseHLTOUT) rawReader=hltReader;
876 // rawReader->Reset();
877 rawReader->RewindEvents();
879 if (!rawReader->NextEvent()) {
880 printf("no events found in %s\n",nameRawFile);
884 Double_t* coefP = new Double_t[3];
885 Double_t* coefZ = new Double_t[3];
886 for(Int_t i = 0; i < 3; i++){
893 TH1I *tempHis = new TH1I("tempHis","tempHis",fSample+fGateWidth,fGateWidth,fSample+fGateWidth);
894 TH1I *tempRMSHis = new TH1I("tempRMSHis","tempRMSHis",2000,0,2000);
896 TFile fileOut(nameFileOut,"UPDATE"); // Quality Parameters storage
897 TNtuple *qualityTuple = (TNtuple*)fileOut.Get("TCFquality");
898 if (!qualityTuple) { // no entry in file
899 qualityTuple = new TNtuple("TCFquality","TCF quality Values","sec:row:pad:npulse:heightDev:areaRed:widthRed:undershot:maxUndershot:pulseRMS");
904 printf("Reading next event ... Nr:%d\n",ievent);
905 AliTPCRawStream *rawStream = new AliTPCRawStream(rawReader);
906 rawReader->Select("TPC");
909 Int_t sector = rawStream->GetSector();
910 Int_t row = rawStream->GetRow();
912 Int_t prevSec = 999999;
913 Int_t prevRow = 999999;
914 Int_t prevPad = 999999;
915 Int_t prevTime = 999999;
917 while (rawStream->Next()) {
919 if (rawStream->IsNewRow()){
920 sector = rawStream->GetSector();
921 row = rawStream->GetRow();
924 Int_t pad = rawStream->GetPad();
925 Int_t time = rawStream->GetTime();
926 Int_t signal = rawStream->GetSignal();
928 if (!rawStream->IsNewPad()) { // Reading signal from one Pad
930 // this pad always gave a useless signal, probably induced by the supply
931 // voltage of the gate signal (date:2008-Aug-07)
932 if(sector==51 && row==95 && pad==0) {
936 // only process pulses of pads with correct address
937 if(sector<0 || sector+1 > Int_t(AliTPCROC::Instance()->GetNSector())) {
940 if(row<0 || row+1 > Int_t(AliTPCROC::Instance()->GetNRows(sector))) {
943 if(pad<0 || pad+1 > Int_t(AliTPCROC::Instance()->GetNPads(sector,row))) {
948 // printf("Wrong time: %d %d\n",rawStream->GetTime(),prevTime);
951 // still the same pad, save signal to temporary histogram
952 if (time<=fSample+fGateWidth && time>fGateWidth) {
953 tempHis->SetBinContent(time,signal);
956 } else { // Decision for saving pulse according to treshold settings
958 Int_t max = (Int_t)tempHis->GetMaximum(FLT_MAX);
959 Int_t maxpos = tempHis->GetMaximumBin();
961 Int_t first = (Int_t)TMath::Max(maxpos-10, 0);
962 Int_t last = TMath::Min((Int_t)maxpos+fPulseLength-10, fSample+fGateWidth);
965 // simple baseline substraction ? better one needed ? (pedestalsubstr.?)
966 // and RMS calculation with timebins before the pulse and at the end of
968 for (Int_t ipos = 0; ipos<6; ipos++) {
970 tempRMSHis->Fill(tempHis->GetBinContent(first+ipos));
972 for (Int_t ipos = 0; ipos<20; ipos++) {
973 // at the end to get rid of pulses with serious baseline fluctuations
974 tempRMSHis->Fill(tempHis->GetBinContent(last-ipos));
976 Double_t baseline = tempRMSHis->GetMean();
977 Double_t rms = tempRMSHis->GetRMS();
980 Double_t lowLim = fLowPulseLim+baseline;
981 Double_t upLim = fUpPulseLim+baseline;
983 // get rid of pulses which contain gate signal and/or too much noise
984 // with the help of ratio of integrals
985 Double_t intHist = 0;
986 Double_t intPulse = 0;
988 for(Int_t ipos=first; ipos<=last; ipos++) {
989 binValue = TMath::Abs(tempHis->GetBinContent(ipos) - baseline);
991 if(ipos>=first+5 && ipos<=first+15) {intPulse += binValue;}
994 // gets rid of high frequency noise:
995 // calculating ratio (value one to the right of maximum)/(maximum)
996 // has to be >= 0.1; if maximum==0 set ratio to 0.1
997 Double_t maxCorr = max - baseline;
998 Double_t binRatio = 0.1;
999 if(TMath::Abs(maxCorr) > 1e-5 ) {
1000 binRatio = (tempHis->GetBinContent(maxpos+1) - baseline) / maxCorr;
1004 // Decision if found pulse is a proper one according to given tresholds
1005 if (max>lowLim && max<upLim && !((last-first)<fPulseLength) && rms<fRMSLim && intHist/intPulse<fRatioIntLim && (binRatio >= 0.1) ){
1007 // assuming that lowLim is higher than the pedestal value!
1009 snprintf(hname,100,"sec%drow%dpad%d",prevSec,prevRow,prevPad);
1010 TH1F *his = new TH1F(hname,hname, fPulseLength+4, 0, fPulseLength+4);
1011 his->SetBinContent(1,1); // pulse counter (1st pulse)
1012 his->SetBinContent(2,prevSec); // sector
1013 his->SetBinContent(3,prevRow); // row
1014 his->SetBinContent(4,prevPad); // pad
1016 for (Int_t ipos=0; ipos<last-first; ipos++){
1017 signal = (Int_t)(tempHis->GetBinContent(ipos+first)-baseline);
1018 his->SetBinContent(ipos+5,signal);
1021 printf("Pulse found in %s: ADC %d at bin %d \n", hname, max, maxpos+fGateWidth);
1023 // find the correct TCF parameter according to the his infos
1025 Int_t nPulse = FindCorTCFparam(his, nameFileTCF, coefZ, coefP);
1027 if (nPulse>=minNumPulse) { // Parameters found - doing the TCF quality analysis
1028 Double_t *quVal = GetQualityOfTCF(his,coefZ,coefP, plotFlag);
1029 qualityTuple->Fill(sector,row,pad,nPulse,quVal[0],quVal[1],quVal[2],quVal[3],quVal[4],quVal[5]);
1043 printf("Finished to read event ... \n");
1048 } while (rawReader->NextEvent()); // event loop
1050 printf("Finished to read file - close output file ... \n");
1053 qualityTuple->Write("TCFquality",kOverwrite);
1057 tempRMSHis->~TH1I();
1062 rawReader->~AliRawReader();
1066 //____________________________________________________________________________
1067 TH2F *AliTPCCalibTCF::PlotOccupSummary2Dhist(const char *nameFileIn, Int_t side) {
1069 // Plots the number of summed pulses per pad on a given TPC side
1070 // 'nameFileIn': root-file created with the Process function
1073 TFile fileIn(nameFileIn,"READ");
1076 TIter next(fileIn.GetListOfKeys());
1078 TH2F * his2D = new TH2F("his2D","his2D", 250,-250,250,250,-250,250);
1080 AliTPCROC * roc = AliTPCROC::Instance();
1082 Int_t nHist=fileIn.GetNkeys();
1083 if (!nHist) { return 0; }
1096 while ((key = (TKey *) next())) { // loop over histograms within the file
1099 TString name(key->GetName());
1100 if (name.Contains("ddl") ) continue; // ignore the 2d histogramms per ddl
1102 his = (TH1F*)fileIn.Get(key->GetName()); // copy object to memory
1104 npulse = (Int_t)his->GetBinContent(1);
1105 sec = (Int_t)his->GetBinContent(2);
1106 row = (Int_t)his->GetBinContent(3);
1107 pad = (Int_t)his->GetBinContent(4);
1109 if ( (side==0) && (sec%36>=18) ) continue;
1110 if ( (side>0) && (sec%36<18) ) continue;
1112 if ( (row<0) && (pad<0) ) { // row and pad are equal to -1, then -> summed pulses per sector
1113 // fill all pad with this values
1114 for (UInt_t rowi=0; rowi<roc->GetNRows(sec); rowi++) {
1115 for (UInt_t padi=0; padi<roc->GetNPads(sec,rowi); padi++) {
1116 roc->GetPositionGlobal(sec,rowi,padi,xyz);
1117 binx = 1+TMath::Nint((xyz[0]+250.)*0.5);
1118 biny = 1+TMath::Nint((xyz[1]+250.)*0.5);
1119 his2D->SetBinContent(binx,biny,npulse);
1123 roc->GetPositionGlobal(sec,row,pad,xyz);
1124 binx = 1+TMath::Nint((xyz[0]+250.)*0.5);
1125 biny = 1+TMath::Nint((xyz[1]+250.)*0.5);
1127 his2D->SetBinContent(binx,biny,npulse);
1129 if (iHist%100==0){ printf("hist %d out of %d\n",iHist,nHist);}
1131 his2D->SetXTitle("x (cm)");
1132 his2D->SetYTitle("y (cm)");
1135 his2D->DrawCopy("colz");
1138 gPad->SetTitle("A side");
1140 gPad->SetTitle("C side");
1147 //____________________________________________________________________________
1148 void AliTPCCalibTCF::PlotOccupSummary(const char *nameFile, Int_t side, Int_t nPulseMin) {
1150 // Plots the number of summed pulses per pad above a given minimum at the
1151 // pad position at a given TPC side
1152 // 'nameFile': root-file created with the Process function
1155 TFile *file = new TFile(nameFile,"READ");
1158 TIter next( file->GetListOfKeys() );
1161 char nameFileOut[100];
1162 snprintf(nameFileOut,100,"Occup-%s",nameFile);
1163 TFile fileOut(nameFileOut,"RECREATE");
1166 TNtuple *ntuple = new TNtuple("ntuple","ntuple","x:y:z:npulse");
1167 // ntuple->SetDirectory(0); // force to be memory resistent
1169 Int_t nHist=file->GetNkeys();
1170 if (!nHist) { return; }
1175 while ((key = (TKey *) next())) { // loop over histograms within the file
1177 TString name(key->GetName());
1178 if (name.Contains("ddl") ) continue; // ignore the 2d histogramms per ddl
1180 his = (TH1F*)file->Get(key->GetName()); // copy object to memory
1182 Int_t npulse = (Int_t)his->GetBinContent(1);
1183 Int_t sec = (Int_t)his->GetBinContent(2);
1184 Int_t row = (Int_t)his->GetBinContent(3);
1185 Int_t pad = (Int_t)his->GetBinContent(4);
1187 if ( (row<0) && (pad<0) ) { // row and pad are equal to -1, then -> summed pulses per sector
1188 row = 40; pad = 40; // set to approx middle row for better plot
1192 Float_t *pos = new Float_t[3];
1193 // find x,y,z position of the pad
1194 AliTPCROC::Instance()->GetPositionGlobal(sec,row,pad,pos);
1195 if (npulse>=nPulseMin) {
1196 ntuple->Fill(pos[0],pos[1],pos[2],npulse);
1197 if (iHist%100==0){ printf("hist %d out of %d\n",iHist,nHist);}
1202 if (secWise) { // pulse per sector
1203 ntuple->SetMarkerStyle(8);
1204 ntuple->SetMarkerSize(4);
1205 } else { // pulse per Pad
1206 ntuple->SetMarkerStyle(7);
1211 snprintf(cSel,100,"z>0&&npulse>=%d",nPulseMin);
1212 ntuple->Draw("y:x:npulse",cSel,"colz");
1214 snprintf(cSel,100,"z<0&&npulse>=%d",nPulseMin);
1215 ntuple->Draw("y:x:npulse",cSel,"colz");
1219 gPad->SetTitle("A side");
1221 gPad->SetTitle("C side");
1230 //____________________________________________________________________________
1231 void AliTPCCalibTCF::PlotQualitySummary(const char *nameFileQuality, const char *plotSpec, const char *cut, const char *pOpt)
1234 // This function is an easy interface to load the QualityTuple (produced with
1235 // the function 'TestOn%File' and plots them according to the plot specifications
1236 // 'plotSpec' e.g. "widthRed:maxUndershot"
1237 // One may also set cut and plot options ("cut","pOpt")
1239 // The stored quality parameters are ...
1240 // sec:row:pad:npulse: ... usual pad info
1241 // heightDev ... height deviation in percent
1242 // areaRed ... area reduction in percent
1243 // widthRed ... width reduction in percent
1244 // undershot ... mean undershot after the pulse in ADC
1245 // maxUndershot ... maximum of the undershot after the pulse in ADC
1246 // pulseRMS ... RMS of the pulse used to calculate the Quality parameters in ADC
1249 TFile file(nameFileQuality,"READ");
1250 TNtuple *qualityTuple = (TNtuple*)file.Get("TCFquality");
1251 //gStyle->SetPalette(1);
1253 TH2F *his2D = new TH2F(plotSpec,nameFileQuality,11,-10,1,25,1,100);
1255 snprintf(plSpec,100,"%s>>%s",plotSpec,plotSpec);
1256 qualityTuple->Draw(plSpec,cut,pOpt);
1258 gStyle->SetLabelSize(0.03,"X");
1259 gStyle->SetLabelSize(0.03,"Y");
1260 gStyle->SetLabelSize(0.03,"Z");
1261 gStyle->SetLabelOffset(-0.02,"X");
1262 gStyle->SetLabelOffset(-0.01,"Y");
1263 gStyle->SetLabelOffset(-0.03,"Z");
1265 his2D->GetXaxis()->SetTitle("max. undershot [ADC]");
1266 his2D->GetYaxis()->SetTitle("width Reduction [%]");
1268 his2D->DrawCopy(pOpt);
1270 gPad->SetPhi(0.1);gPad->SetTheta(90);
1276 //_____________________________________________________________________________
1277 Int_t AliTPCCalibTCF::FitPulse(TNtuple *dataTuple, Double_t *coefZ, Double_t *coefP) {
1279 // function to fit one pulse and to calculate the according pole-zero parameters
1282 // initialize TMinuit with a maximum of 8 params
1283 TMinuit *minuitFit = new TMinuit(8);
1284 minuitFit->mncler(); // Reset Minuit's list of paramters
1285 minuitFit->SetPrintLevel(-1); // No Printout
1286 minuitFit->SetFCN(AliTPCCalibTCF::FitFcn); // To set the address of the
1287 // minimization function
1288 minuitFit->SetObjectFit(dataTuple);
1290 Double_t arglist[10];
1294 minuitFit->mnexcm("SET ERR", arglist ,1,ierflg);
1296 // Set standard starting values and step sizes for each parameter
1297 // upper and lower limit (in a reasonable range) are set to improve
1298 // the stability of TMinuit
1299 static Double_t vstart[8] = {125, 4.0, 0.3, 0.5, 5.5, 100, 1, 2.24};
1300 static Double_t step[8] = {0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1};
1301 static Double_t min[8] = {100, 3., 0.1, 0.2, 3., 60., 0., 2.0};
1302 static Double_t max[8] = {200, 20., 5., 3., 30., 300., 20., 2.5};
1304 minuitFit->mnparm(0, "A1", vstart[0], step[0], min[0], max[0], ierflg);
1305 minuitFit->mnparm(1, "A2", vstart[1], step[1], min[1], max[1], ierflg);
1306 minuitFit->mnparm(2, "A3", vstart[2], step[2], min[2], max[2], ierflg);
1307 minuitFit->mnparm(3, "T1", vstart[3], step[3], min[3], max[3], ierflg);
1308 minuitFit->mnparm(4, "T2", vstart[4], step[4], min[4], max[4], ierflg);
1309 minuitFit->mnparm(5, "T3", vstart[5], step[5], min[5], max[5], ierflg);
1310 minuitFit->mnparm(6, "T0", vstart[6], step[6], min[6], max[6], ierflg);
1311 minuitFit->mnparm(7, "TTP", vstart[7], step[7], min[7], max[7],ierflg);
1312 minuitFit->FixParameter(7); // 2.24 ... out of pulserRun Fit (->IRF)
1314 // Now ready for minimization step
1315 arglist[0] = 2000; // max num of iterations
1316 arglist[1] = 0.1; // tolerance
1318 minuitFit->mnexcm("MIGRAD", arglist ,2,ierflg);
1321 minuitFit->mnexcm("SET NOW", &p1 , 0, ierflg) ; // No Warnings
1323 if (ierflg == 4) { // Fit failed
1324 for (Int_t i=0;i<3;i++) {
1328 minuitFit->~TMinuit();
1330 } else { // Fit successfull
1332 // Extract parameters from TMinuit
1333 Double_t *fitParam = new Double_t[6];
1334 for (Int_t i=0;i<6;i++) {
1337 minuitFit->GetParameter(i,val,err);
1341 // calculates the first 2 sets (4 PZ values) out of the fitted parameters
1342 Double_t *valuePZ = ExtractPZValues(fitParam);
1344 // TCF coefficients which are used for the equalisation step (stage)
1346 coefZ[0] = TMath::Exp(-1/valuePZ[2]);
1347 coefZ[1] = TMath::Exp(-1/valuePZ[3]);
1348 coefP[0] = TMath::Exp(-1/valuePZ[0]);
1349 coefP[1] = TMath::Exp(-1/valuePZ[1]);
1351 fitParam->~Double_t();
1352 valuePZ->~Double_t();
1353 minuitFit->~TMinuit();
1362 //____________________________________________________________________________
1363 void AliTPCCalibTCF::FitFcn(Int_t &/*nPar*/, Double_t */*grad*/, Double_t &f, Double_t * const par, Int_t /*iflag*/)
1366 // Minimization function needed for TMinuit with FitFunction included
1367 // Fit function: Sum of three convolution terms (IRF conv. with Exp.)
1371 TNtuple *dataTuple = (TNtuple *) gMinuit->GetObjectFit();
1373 //calculate chisquare
1376 for (Int_t i=0; i<dataTuple->GetEntries(); i++) { // loop over data points
1377 dataTuple->GetEntry(i);
1378 Float_t *p = dataTuple->GetArgs();
1380 Double_t signal = p[1]; // Normalized signal
1381 Double_t error = p[2];
1383 // definition and evaluation if the IonTail specific fit function
1384 Double_t sigFit = 0;
1386 Double_t ttp = par[7]; // signal shaper raising time
1387 t=t-par[6]; // time adjustment
1392 Double_t f1 = 1/TMath::Power((4-ttp/par[3]),5)*(24*ttp*TMath::Exp(4)*(TMath::Exp(-t/par[3]) - TMath::Exp(-4*t/ttp) * ( 1+t*(4-ttp/par[3])/ttp+TMath::Power(t*(4-ttp/par[3])/ttp,2)/2 + TMath::Power(t*(4-ttp/par[3])/ttp,3)/6 + TMath::Power(t*(4-ttp/par[3])/ttp,4)/24)));
1394 Double_t f2 = 1/TMath::Power((4-ttp/par[4]),5)*(24*ttp*TMath::Exp(4)*(TMath::Exp(-t/par[4]) - TMath::Exp(-4*t/ttp) * ( 1+t*(4-ttp/par[4])/ttp+TMath::Power(t*(4-ttp/par[4])/ttp,2)/2 + TMath::Power(t*(4-ttp/par[4])/ttp,3)/6 + TMath::Power(t*(4-ttp/par[4])/ttp,4)/24)));
1396 Double_t f3 = 1/TMath::Power((4-ttp/par[5]),5)*(24*ttp*TMath::Exp(4)*(TMath::Exp(-t/par[5]) - TMath::Exp(-4*t/ttp) * ( 1+t*(4-ttp/par[5])/ttp+TMath::Power(t*(4-ttp/par[5])/ttp,2)/2 + TMath::Power(t*(4-ttp/par[5])/ttp,3)/6 + TMath::Power(t*(4-ttp/par[5])/ttp,4)/24)));
1398 sigFit = par[0]*f1 + par[1]*f2 +par[2]*f3;
1401 // chisqu calculation
1402 delta = (signal-sigFit)/error;
1403 chisq += delta*delta;
1412 //____________________________________________________________________________
1413 Double_t* AliTPCCalibTCF::ExtractPZValues(Double_t *param) {
1415 // Calculation of Pole and Zero values out of fit parameters
1418 Double_t vA1, vA2, vA3, vTT1, vTT2, vTT3, vTa, vTb;
1419 vA1 = 0; vA2 = 0; vA3 = 0;
1420 vTT1 = 0; vTT2 = 0; vTT3 = 0;
1423 // nasty method of sorting the fit parameters to avoid wrong mapping
1424 // to the different stages of the TCF filter
1425 // (e.g. first 2 fit parameters represent the electron signal itself!)
1427 if ((param[3]-param[4]) <1e-5 ) {param[3]=param[3]+0.0001;} // if equal
1428 if ((param[5]-param[4]) <1e-5 ) {param[5]=param[5]+0.0001;} // if equal
1430 if ((param[5]>param[4])&&(param[5]>param[3])) {
1431 if (param[4]>=param[3]) {
1432 vA1 = param[0]; vA2 = param[1]; vA3 = param[2];
1433 vTT1 = param[3]; vTT2 = param[4]; vTT3 = param[5];
1435 vA1 = param[1]; vA2 = param[0]; vA3 = param[2];
1436 vTT1 = param[4]; vTT2 = param[3]; vTT3 = param[5];
1438 } else if ((param[4]>param[5])&&(param[4]>param[3])) {
1439 if (param[5]>=param[3]) {
1440 vA1 = param[0]; vA2 = param[2]; vA3 = param[1];
1441 vTT1 = param[3]; vTT2 = param[5]; vTT3 = param[4];
1443 vA1 = param[2]; vA2 = param[0]; vA3 = param[1];
1444 vTT1 = param[5]; vTT2 = param[3]; vTT3 = param[4];
1446 } else if ((param[3]>param[4])&&(param[3]>param[5])) {
1447 if (param[5]>=param[4]) {
1448 vA1 = param[1]; vA2 = param[2]; vA3 = param[0];
1449 vTT1 = param[4]; vTT2 = param[5]; vTT3 = param[3];
1451 vA1 = param[2]; vA2 = param[1]; vA3 = param[0];
1452 vTT1 = param[5]; vTT2 = param[4]; vTT3 = param[3];
1457 // Transformation of fit parameters into PZ values (needed by TCF)
1458 Double_t beq = (vA1/vTT2+vA1/vTT3+vA2/vTT1+vA2/vTT3+vA3/vTT1+vA3/vTT2)/(vA1+vA2+vA3);
1459 Double_t ceq = (vA1/(vTT2*vTT3)+vA2/(vTT1*vTT3)+vA3/(vTT1*vTT2))/(vA1+vA2+vA3);
1461 Double_t s1 = -beq/2-sqrt((beq*beq-4*ceq)/4);
1462 Double_t s2 = -beq/2+sqrt((beq*beq-4*ceq)/4);
1464 if (vTT2<vTT3) {// not necessary but avoids significant undershots in first PZ
1472 Double_t *valuePZ = new Double_t[4];
1483 //____________________________________________________________________________
1484 Int_t AliTPCCalibTCF::Equalization(TNtuple *dataTuple, Double_t *coefZ, Double_t *coefP) {
1486 // calculates the 3rd set of TCF parameters (remaining 2 PZ values) in
1487 // order to restore the original pulse height and adds them to the passed arrays
1490 const Int_t kPulseLength = dataTuple->GetEntries();
1492 if (kPulseLength<2) {
1493 // prinft("PulseLength does not make sense\n");
1497 Double_t *s0 = new Double_t[kPulseLength]; // original pulse
1498 Double_t *s1 = new Double_t[kPulseLength]; // pulse after 1st PZ filter
1499 Double_t *s2 = new Double_t[kPulseLength]; // pulse after 2nd PZ filter
1501 for (Int_t ipos=0; ipos<kPulseLength; ipos++) {
1502 dataTuple->GetEntry(ipos);
1503 Float_t *p = dataTuple->GetArgs();
1507 // non-discret implementation of the first two TCF stages (recursive formula)
1508 // discrete Altro emulator is not used because of accuracy!
1509 s1[0] = s0[0]; // 1st PZ filter
1510 for(Int_t ipos = 1; ipos < kPulseLength ; ipos++){
1511 s1[ipos] = s0[ipos] + coefP[0]*s1[ipos-1] - coefZ[0]*s0[ipos-1];
1513 s2[0] = s1[0]; // 2nd PZ filter
1514 for(Int_t ipos = 1; ipos < kPulseLength ; ipos++){
1515 s2[ipos] = s1[ipos] + coefP[1]*s2[ipos-1] - coefZ[1]*s1[ipos-1];
1518 // find maximum amplitude and position of original pulse and pulse after
1519 // the first two stages of the TCF
1520 Int_t s0pos = 0, s2pos = 0;
1521 Double_t s0ampl = s0[0], s2ampl = s2[0]; // start values
1522 for(Int_t ipos = 1; ipos < kPulseLength; ipos++){
1523 if (s0[ipos] > s0ampl){
1525 s0pos = ipos; // should be pos 11 ... check?
1527 if (s2[ipos] > s2ampl){
1532 // calculation of 3rd set ...
1533 if(s0ampl > s2ampl){
1535 coefP[2] = (s0ampl - s2ampl)/s0[s0pos-1];
1536 } else if (s0ampl < s2ampl) {
1538 coefZ[2] = (s2ampl - s0ampl)/s0[s0pos-1];
1539 } else { // same height ? will most likely not happen ?
1540 printf("No equalization because of identical height\n");
1549 // if equalization out of range (<0 or >=1) it failed!
1550 // if ratio of amplitudes of fittet to original pulse < 0.9 it failed!
1551 if (coefP[2]<0 || coefZ[2]<0 || coefP[2]>=1 || coefZ[2]>=1 || TMath::Abs(s2ampl / s0ampl)<0.9) {
1561 //____________________________________________________________________________
1562 Int_t AliTPCCalibTCF::FindCorTCFparam(TH1F * const hisIn, const char *nameFileTCF, Double_t *coefZ, Double_t *coefP) {
1564 // This function searches for the correct TCF parameters to the given
1565 // histogram 'hisIn' within the file 'nameFileTCF'
1566 // If no parameters for this pad (padinfo within the histogram!) where found
1567 // the function returns 0
1569 // Int_t numPulse = (Int_t)hisIn->GetBinContent(1); // number of pulses
1570 Int_t sector = (Int_t)hisIn->GetBinContent(2);
1571 Int_t row = (Int_t)hisIn->GetBinContent(3);
1572 Int_t pad = (Int_t)hisIn->GetBinContent(4);
1575 //-- searching for calculated TCF parameters for this pad/sector
1576 TFile fileTCF(nameFileTCF,"READ");
1577 TNtuple *paramTuple = (TNtuple*)fileTCF.Get("TCFparam");
1579 // create selection criteria to find the correct TCF params
1581 if ( paramTuple->GetEntries("row==-1&&pad==-1") ) {
1582 // parameters per SECTOR
1583 snprintf(sel,100,"sec==%d&&row==-1&&pad==-1",sector);
1585 // parameters per PAD
1586 snprintf(sel,100,"sec==%d&&row==%d&&pad==%d",sector,row,pad);
1589 // list should contain just ONE entry! ... otherwise there is a mistake!
1590 Long64_t entry = paramTuple->Draw(">>list",sel,"entrylist");
1591 TEntryList *list = (TEntryList*)gDirectory->Get("list");
1593 if (entry) { // TCF set was found for this pad
1594 Long64_t pos = list->GetEntry(0);
1595 paramTuple->GetEntry(pos); // get specific TCF parameters
1596 Float_t *p = paramTuple->GetArgs();
1598 if((sector-p[0])<1e-5) {printf("sector ok ... "); }
1599 if((row-p[1])<1e-5) {printf("row ok ... "); }
1600 if((pad-p[2])<1e-5) {printf("pad ok ... \n"); }
1602 // number of averaged pulses used to produce TCF params
1603 nPulse = (Int_t)p[3];
1605 coefZ[0] = p[4]; coefP[0] = p[7];
1606 coefZ[1] = p[5]; coefP[1] = p[8];
1607 coefZ[2] = p[6]; coefP[2] = p[9];
1609 } else { // no specific TCF parameters found for this pad
1611 printf(" no specific TCF paramaters found for pad in ...\n");
1612 printf(" Sector %d | Row %d | Pad %d |\n", sector, row, pad);
1614 coefZ[0] = 0; coefP[0] = 0;
1615 coefZ[1] = 0; coefP[1] = 0;
1616 coefZ[2] = 0; coefP[2] = 0;
1622 return nPulse; // number of averaged pulses for producing the TCF params
1627 //____________________________________________________________________________
1628 Double_t *AliTPCCalibTCF::GetQualityOfTCF(TH1F *hisIn, Double_t *coefZ, Double_t *coefP, Int_t plotFlag) {
1630 // This function evaluates the quality parameters of the given TCF parameters
1631 // tested on the passed pulse (hisIn)
1632 // The quality parameters are stored in an array. They are ...
1633 // height deviation [ADC]
1634 // area reduction [percent]
1635 // width reduction [percent]
1636 // mean undershot [ADC]
1637 // maximum of undershot after pulse [ADC]
1640 // perform ALTRO emulator
1641 TNtuple *pulseTuple = ApplyTCFilter(hisIn, coefZ, coefP, plotFlag);
1643 printf("calculate quality val. for pulse in ... ");
1644 printf(" Sector %d | Row %d | Pad %d |\n", (Int_t)hisIn->GetBinContent(2), (Int_t)hisIn->GetBinContent(3), (Int_t)hisIn->GetBinContent(4));
1646 // Reasonable limit for the calculation of the quality values
1647 Int_t binLimit = 80;
1649 // ============== Variable preparation
1651 // -- height difference in percent of orginal pulse
1652 Double_t maxSig = pulseTuple->GetMaximum("sig");
1653 Double_t maxSigTCF = pulseTuple->GetMaximum("sigAfterTCF");
1654 // -- area reduction (above zero!)
1656 Double_t areaTCF = 0;
1657 // -- width reduction at certain ADC treshold
1658 // TODO: set treshold at ZS treshold? (3 sigmas of noise?)
1659 Int_t threshold = 3; // treshold in percent
1660 Int_t threshADC = (Int_t)(maxSig/100*threshold);
1661 Int_t startOfPulse = 0; Int_t startOfPulseTCF = 0;
1662 Int_t posOfStart = 0; Int_t posOfStartTCF = 0;
1663 Int_t widthFound = 0; Int_t widthFoundTCF = 0;
1664 Int_t width = 0; Int_t widthTCF = 0;
1665 // -- Calcluation of Undershot (mean of negavive signal after the first
1667 Double_t undershotTCF = 0;
1668 Double_t undershotStart = 0;
1669 // -- Calcluation of Undershot (Sum of negative signal after the pulse)
1670 Double_t maxUndershot = 0;
1673 // === loop over timebins to calculate quality parameters
1674 for (Int_t i=0; i<binLimit; i++) {
1676 // Read signal values
1677 pulseTuple->GetEntry(i);
1678 Float_t *p = pulseTuple->GetArgs();
1679 Double_t sig = p[1];
1680 Double_t sigTCF = p[2];
1682 // calculation of area (above zero)
1683 if (sig>0) {area += sig; }
1684 if (sigTCF>0) {areaTCF += sigTCF; }
1687 // Search for width at certain ADC treshold
1688 // -- original signal
1689 if (widthFound == 0) {
1690 if( (sig > threshADC) && (startOfPulse == 0) ){
1694 if( (sig <= threshADC) && (startOfPulse == 1) ){
1696 width = i - posOfStart + 1;
1699 // -- signal after TCF
1700 if (widthFoundTCF == 0) {
1701 if( (sigTCF > threshADC) && (startOfPulseTCF == 0) ){
1702 startOfPulseTCF = 1;
1705 if( (sigTCF <= threshADC) && (startOfPulseTCF == 1) ){
1707 widthTCF = i -posOfStartTCF + 1;
1712 // finds undershot start
1713 if ( (widthFoundTCF==1) && (sigTCF<0) ) {
1717 // Calculation of undershot sum (after pulse)
1718 if ( widthFoundTCF==1 ) {
1719 undershotTCF += sigTCF;
1722 // Search for maximal undershot (is equal to minimum after the pulse)
1723 if ( ((undershotStart-1)<1e-7)&&(i<(posOfStartTCF+widthTCF+20)) ) {
1724 if (maxUndershot>sigTCF) { maxUndershot = sigTCF; }
1729 // == Calculation of Quality parameters
1731 // -- height difference in ADC
1732 Double_t heightDev = maxSigTCF-maxSig;
1734 // Area reduction of the pulse in percent
1735 Double_t areaReduct = 100-areaTCF/area*100;
1737 // Width reduction in percent
1738 Double_t widthReduct = 0;
1739 if ((widthFound==1)&&(widthFoundTCF==1)) { // in case of not too big IonTail
1740 widthReduct = 100-(Double_t)widthTCF/(Double_t)width*100;
1741 if (widthReduct<0) { widthReduct = 0;}
1744 // Undershot - mean of neg.signals after pulse
1745 Double_t length = 1;
1746 if (binLimit-widthTCF-posOfStartTCF) { length = (binLimit-widthTCF-posOfStartTCF);}
1747 Double_t undershot = undershotTCF/length;
1750 // calculation of pulse RMS with timebins before and at the end of the pulse
1751 TH1I *tempRMSHis = new TH1I("tempRMSHis","tempRMSHis",100,-50,50);
1752 for (Int_t ipos = 0; ipos<6; ipos++) {
1754 tempRMSHis->Fill(hisIn->GetBinContent(ipos+5));
1756 tempRMSHis->Fill(hisIn->GetBinContent(hisIn->GetNbinsX()-ipos));
1758 Double_t pulseRMS = tempRMSHis->GetRMS();
1759 tempRMSHis->~TH1I();
1763 printf("height deviation [ADC]:\t\t\t %3.1f\n", heightDev);
1764 printf("area reduction [percent]:\t\t %3.1f\n", areaReduct);
1765 printf("width reduction [percent]:\t\t %3.1f\n", widthReduct);
1766 printf("mean undershot [ADC]:\t\t\t %3.1f\n", undershot);
1767 printf("maximum of undershot after pulse [ADC]: %3.1f\n", maxUndershot);
1768 printf("RMS of the original (or summed) pulse [ADC]: \t %3.2f\n\n", pulseRMS);
1772 Double_t *qualityParam = new Double_t[6];
1773 qualityParam[0] = heightDev;
1774 qualityParam[1] = areaReduct;
1775 qualityParam[2] = widthReduct;
1776 qualityParam[3] = undershot;
1777 qualityParam[4] = maxUndershot;
1778 qualityParam[5] = pulseRMS;
1780 pulseTuple->~TNtuple();
1782 return qualityParam;
1786 //____________________________________________________________________________
1787 TNtuple *AliTPCCalibTCF::ApplyTCFilter(TH1F * const hisIn, Double_t * const coefZ, Double_t * const coefP, Int_t plotFlag) {
1789 // Applies the given TCF parameters on the given pulse via the ALTRO emulator
1790 // class (discret values) and stores both pulses into a returned TNtuple
1793 Int_t nbins = hisIn->GetNbinsX() -4;
1794 // -1 because the first four timebins usually contain pad specific informations
1795 Int_t nPulse = (Int_t)hisIn->GetBinContent(1); // Number of summed pulses
1796 Int_t sector = (Int_t)hisIn->GetBinContent(2);
1797 Int_t row = (Int_t)hisIn->GetBinContent(3);
1798 Int_t pad = (Int_t)hisIn->GetBinContent(4);
1800 // redirect histogram values to arrays (discrete for altro emulator)
1801 Double_t *signalIn = new Double_t[nbins];
1802 Double_t *signalOut = new Double_t[nbins];
1803 short *signalInD = new short[nbins];
1804 short *signalOutD = new short[nbins];
1805 for (Int_t ipos=0;ipos<nbins;ipos++) {
1806 Double_t signal = hisIn->GetBinContent(ipos+5); // summed signal
1807 signalIn[ipos]=signal/nPulse; // mean signal
1808 signalInD[ipos]=(short)(TMath::Nint(signalIn[ipos])); //discrete mean signal
1809 signalOutD[ipos]=signalInD[ipos]; // will be overwritten by AltroEmulator
1812 // transform TCF parameters into ALTRO readable format (Integer)
1815 for (Int_t i=0; i<3; i++) {
1816 valK[i] = (Int_t)(coefP[i]*(TMath::Power(2,16)-1));
1817 valL[i] = (Int_t)(coefZ[i]*(TMath::Power(2,16)-1));
1820 // discret ALTRO EMULATOR ____________________________
1821 AliTPCAltroEmulator *altro = new AliTPCAltroEmulator(nbins, signalOutD);
1822 altro->ConfigAltro(0,1,0,0,0,0); // perform just the TailCancelation
1823 altro->ConfigTailCancellationFilter(valK[0],valK[1],valK[2],valL[0],valL[1],valL[2]);
1824 altro->RunEmulation();
1827 // non-discret implementation of the (recursive formula)
1828 // discrete Altro emulator is not used because of accuracy!
1829 Double_t *s1 = new Double_t[1000]; // pulse after 1st PZ filter
1830 Double_t *s2 = new Double_t[1000]; // pulse after 2nd PZ filter
1831 s1[0] = signalIn[0]; // 1st PZ filter
1832 for(Int_t ipos = 1; ipos<nbins; ipos++){
1833 s1[ipos] = signalIn[ipos] + coefP[0]*s1[ipos-1] - coefZ[0]*signalIn[ipos-1];
1835 s2[0] = s1[0]; // 2nd PZ filter
1836 for(Int_t ipos = 1; ipos<nbins; ipos++){
1837 s2[ipos] = s1[ipos] + coefP[1]*s2[ipos-1] - coefZ[1]*s1[ipos-1];
1839 signalOut[0] = s2[0]; // 3rd PZ filter
1840 for(Int_t ipos = 1; ipos<nbins; ipos++){
1841 signalOut[ipos] = s2[ipos] + coefP[2]*signalOut[ipos-1] - coefZ[2]*s2[ipos-1];
1846 // writing pulses to tuple
1847 TNtuple *pulseTuple = new TNtuple("ntupleTCF","PulseTCF","timebin:sig:sigAfterTCF:sigND:sigNDAfterTCF");
1848 for (Int_t ipos=0;ipos<nbins;ipos++) {
1849 pulseTuple->Fill(ipos,signalInD[ipos],signalOutD[ipos],signalIn[ipos],signalOut[ipos]);
1854 snprintf(hname,100,"sec%drow%dpad%d",sector,row,pad);
1855 new TCanvas(hname,hname,600,400);
1856 //just plotting non-discret pulses | they look pretties in case of mean sig ;-)
1857 pulseTuple->Draw("sigND:timebin","","L");
1858 // pulseTuple->Draw("sig:timebin","","Lsame");
1859 pulseTuple->SetLineColor(3);
1860 pulseTuple->Draw("sigNDAfterTCF:timebin","","Lsame");
1861 // pulseTuple->Draw("sigAfterTCF:timebin","","Lsame");
1865 delete [] signalOut;
1866 delete [] signalInD;
1867 delete [] signalOutD;
1874 //____________________________________________________________________________
1875 void AliTPCCalibTCF::PrintPulseThresholds() {
1877 // Prints the pulse threshold settings
1880 printf(" %4.0d [ADC] ... expected Gate fluctuation length \n", fGateWidth);
1881 printf(" %4.0d [ADC] ... expected usefull signal length \n", fSample);
1882 printf(" %4.0d [ADC] ... needed pulselength for TC characterisation \n", fPulseLength);
1883 printf(" %4.0d [ADC] ... lower pulse height limit \n", fLowPulseLim);
1884 printf(" %4.0d [ADC] ... upper pulse height limit \n", fUpPulseLim);
1885 printf(" %4.1f [ADC] ... maximal pulse RMS \n", fRMSLim);
1886 printf(" %4.1f [ADC] ... pulse/tail integral ratio \n", fRatioIntLim);
1891 //____________________________________________________________________________
1892 void AliTPCCalibTCF::MergeHistoPerFile(const char *fileNameIn, const char *fileNameSum, Int_t mode)
1894 // Gets histograms from fileNameIn and adds contents to fileSum
1896 // If fileSum doesn't exist, fileSum is created
1897 // mode = 0, just ONE BIG FILE ('fileSum') will be used
1898 // mode = 1, one file per sector ('fileSum-Sec#.root') will be used
1899 // mode=1 is much faster, but the additional function 'MergeToOneFile' has to be used in order to
1900 // get one big and complete collection file again ...
1902 // !Make sure not to add the same file more than once!
1904 TFile fileIn(fileNameIn,"READ");
1907 TIter next(fileIn.GetListOfKeys());
1908 // opens a file, although, it might not be uses (see "mode")
1909 TFile *fileOut = new TFile(fileNameSum,"UPDATE");
1912 Int_t nHist=fileIn.GetNkeys();
1916 char fileNameSumSec[100];
1919 while((key=(TKey*)next())) {
1920 const char *hisName = key->GetName();
1922 TString name(key->GetName());
1923 if (name.Contains("ddl") ) continue; // ignore the 2d histogramms per ddl
1925 hisIn=(TH1F*)fileIn.Get(hisName);
1926 Int_t numPulse=(Int_t)hisIn->GetBinContent(1);
1927 Int_t sec=(Int_t)hisIn->GetBinContent(2);
1928 Int_t pulseLength= hisIn->GetNbinsX()-4;
1930 // in case of mode 1, store histos in files per sector
1931 if (sec!=secPrev && mode != 0) {
1932 if (secPrev>0) { // closing old file
1936 snprintf(fileNameSumSec,100,"%s-Sec%d.root",fileNameSum,sec);
1937 fileOut = new TFile(fileNameSumSec,"UPDATE");
1941 // search for existing histogram
1942 TH1F *his=(TH1F*)fileOut->Get(hisName);
1944 printf("Histogram %d / %d, %s, Action: ",iHist,nHist,hisName);
1955 his->Write(hisName);
1957 his->AddBinContent(1,numPulse);
1958 for (Int_t ii=5; ii<pulseLength+5; ii++) {
1959 his->AddBinContent(ii,hisIn->GetBinContent(ii));
1961 his->Write(hisName,TObject::kOverwrite);
1965 printf("closing files (may take a while)...\n");
1970 printf("...DONE\n\n");
1974 //____________________________________________________________________________
1975 void AliTPCCalibTCF::MergeToOneFile(const char *nameFileSum) {
1977 // Merges all Sec-files together ...
1978 // this is an additional functionality for the function MergeHistsPerFile
1979 // if for example mode=1
1984 // just delete the file entries ...
1985 TFile fileSumD(nameFileSum,"RECREATE");
1988 char nameFileSumSec[100];
1990 for (Int_t sec=0; sec<72; sec++) { // loop over all possible filenames
1992 snprintf(nameFileSumSec,100,"%s-Sec%d.root",nameFileSum,sec);
1993 TFile *fileSumSec = new TFile(nameFileSumSec,"READ");
1995 Int_t nHist=fileSumSec->GetNkeys();
1998 if (nHist) { // file found \ NKeys not empty
2000 TFile fileSum(nameFileSum,"UPDATE");
2003 printf("Sector file %s found\n",nameFileSumSec);
2004 TIter next(fileSumSec->GetListOfKeys());
2005 while( (key=(TKey*)next()) ) {
2006 const char *hisName = key->GetName();
2008 hisIn=(TH1F*)fileSumSec->Get(hisName);
2011 printf("found histogram %d / %d, %s\n",iHist,nHist,hisName);
2015 // TH1F *his = (TH1F*)hisIn->Clone(hisName);
2016 hisIn->Write(hisName);
2019 printf("Saving histograms from sector %d (may take a while) ...",sec);
2023 fileSumSec->Close();
2025 printf("...DONE\n\n");
2029 //____________________________________________________________________________
2030 Int_t AliTPCCalibTCF::DumpTCFparamToFilePerPad(const char *nameFileTCFPerPad,const char *nameFileTCFPerSec, const char *nameMappingFile) {
2032 // Writes TCF parameters per PAD to .data file
2034 // from now on: "roc" refers to the offline sector numbering
2035 // "sector" refers to the 18 sectors per side
2037 // Gets TCF parameters of single pads from nameFileTCFPerPad and writes them to
2038 // the file 'tpcTCFparamPAD.data'
2040 // If there are parameters for a pad missing, then the parameters of the roc,
2041 // in which the pad is located, are used as the pad parameters. The parameters for
2042 // the roc are retreived from nameFileTCFPerSec. If there are parameters for
2043 // a roc missing, then the parameters are set to -1.
2045 Float_t k0 = -1, k1 = -1, k2 = -1, l0 = -1, l1 = -1, l2 = -1;
2046 Int_t roc, row, pad, side, sector, rcu, hwAddr;
2049 Int_t tpcPadNum = 557568;
2050 Int_t validFlag = 1; // 1 if parameters for pad exist, 0 if they are only inherited from the roc
2052 Bool_t *entryID = new Bool_t[7200000]; // helping vector
2053 for (Int_t ii = 0; ii<7200000; ii++) {
2057 // get file/tuple with parameters per pad
2058 TFile fileTCFparam(nameFileTCFPerPad);
2059 TNtuple *paramTuple = (TNtuple*)fileTCFparam.Get("TCFparam");
2062 // usual location of mapping file: $ALICE_ROOT/TPC/Calib/tpcMapping.root
2063 TFile *fileMapping = new TFile(nameMappingFile, "read");
2064 AliTPCmapper *mapping = (AliTPCmapper*) fileMapping->Get("tpcMapping");
2068 printf("Failed to get mapping object from %s. ...\n", nameMappingFile);
2071 printf("Got mapping object from %s\n", nameMappingFile);
2074 // creating outputfile
2076 char nameFileOut[255];
2077 snprintf(nameFileOut,255,"tpcTCFparamPAD.data");
2078 fileOut.open(nameFileOut);
2079 // following not used:
2080 // char headerLine[255];
2081 // snprintf(headerLine,255,"15\tside\tsector\tRCU\tHWadr\tk0\tk1\tk2\tl0\tl1\tl2\tValidFlag");
2082 // fileOut << headerLine << std::endl;
2083 fileOut << "15" << std::endl;
2085 // loop over nameFileTCFPerPad, write parameters into outputfile
2086 // NOTE: NO SPECIFIC ORDER !!!
2087 printf("\nstart assigning parameters to pad...\n");
2088 for (Int_t iParam = 0; iParam < paramTuple->GetEntries(); iParam++) {
2089 paramTuple->GetEntry(iParam);
2090 Float_t *paramArgs = paramTuple->GetArgs();
2091 roc = Int_t(paramArgs[0]);
2092 row = Int_t(paramArgs[1]);
2093 pad = Int_t(paramArgs[2]);
2094 side = Int_t(mapping->GetSideFromRoc(roc));
2095 sector = Int_t(mapping->GetSectorFromRoc(roc));
2096 rcu = Int_t(mapping->GetRcu(roc,row,pad));
2097 hwAddr = Int_t(mapping->GetHWAddress(roc,row,pad));
2098 k0 = TMath::Nint(paramArgs[7] * (TMath::Power(2,16) - 1));
2099 k1 = TMath::Nint(paramArgs[8] * (TMath::Power(2,16) - 1));
2100 k2 = TMath::Nint(paramArgs[9] * (TMath::Power(2,16) - 1));
2101 l0 = TMath::Nint(paramArgs[4] * (TMath::Power(2,16) - 1));
2102 l1 = TMath::Nint(paramArgs[5] * (TMath::Power(2,16) - 1));
2103 l2 = TMath::Nint(paramArgs[6] * (TMath::Power(2,16) - 1));
2104 if (entryNum%10000==0) {
2105 printf("assigned pad %i / %i\n",entryNum,tpcPadNum);
2108 fileOut << entryNum++ << "\t" << side << "\t" << sector << "\t" << rcu << "\t" << hwAddr << "\t";
2109 fileOut << k0 << "\t" << k1 << "\t" << k2 << "\t" << l0 << "\t" << l1 << "\t" << l2 << "\t" << validFlag << std::endl;
2110 entryID[roc*100000 + row*1000 + pad] = 1;
2113 // Wrote all found TCF params per pad into data file
2114 // NOW FILLING UP THE REST WITH THE PARAMETERS FROM THE ROC MEAN
2116 // get file/tuple with parameters per roc
2117 TFile fileSecTCFparam(nameFileTCFPerSec);
2118 TNtuple *paramTupleSec = (TNtuple*)fileSecTCFparam.Get("TCFparam");
2120 // loop over all pads and get/write parameters for pads which don't have
2121 // parameters assigned yet
2123 for (roc = 0; roc<72; roc++) {
2124 side = Int_t(mapping->GetSideFromRoc(roc));
2125 sector = Int_t(mapping->GetSectorFromRoc(roc));
2126 for (Int_t iParamSec = 0; iParamSec < paramTupleSec->GetEntries(); iParamSec++) {
2127 paramTupleSec->GetEntry(iParamSec);
2128 Float_t *paramArgsSec = paramTupleSec->GetArgs();
2129 if ((paramArgsSec[0]-roc)<1e-7) { // if roc is found
2130 k0 = TMath::Nint(paramArgsSec[7] * (TMath::Power(2,16) - 1));
2131 k1 = TMath::Nint(paramArgsSec[8] * (TMath::Power(2,16) - 1));
2132 k2 = TMath::Nint(paramArgsSec[9] * (TMath::Power(2,16) - 1));
2133 l0 = TMath::Nint(paramArgsSec[4] * (TMath::Power(2,16) - 1));
2134 l1 = TMath::Nint(paramArgsSec[5] * (TMath::Power(2,16) - 1));
2135 l2 = TMath::Nint(paramArgsSec[6] * (TMath::Power(2,16) - 1));
2138 k0 = k1 = k2 = l0 = l1 = l2 = -1;
2141 for (row = 0; row<mapping->GetNpadrows(roc); row++) {
2142 for (pad = 0; pad<mapping->GetNpads(roc,row); pad++) {
2143 if (entryID[roc*100000 + row*1000 + pad]==1) {
2147 entryID[roc*100000 + row*1000 + pad] = 1;
2148 rcu = Int_t(mapping->GetRcu(roc,row,pad));
2149 hwAddr = Int_t(mapping->GetHWAddress(roc,row,pad));
2150 if (entryNum%10000==0) {
2151 printf("assigned pad %i / %i\n",entryNum,tpcPadNum);
2154 fileOut << entryNum++ << "\t" << side << "\t" << sector << "\t" << rcu << "\t" << hwAddr << "\t";
2155 fileOut << k0 << "\t" << k1 << "\t" << k2 << "\t" << l0 << "\t" << l1 << "\t" << l2 << "\t" << validFlag << std::endl;
2160 printf("assigned pad %i / %i\ndone assigning\n",entryNum,tpcPadNum);
2162 // check if correct amount of sets of parameters were written
2163 for (Int_t ii = 0; ii<7200000; ii++) {
2164 checksum += entryID[ii];
2166 if (checksum == tpcPadNum) {
2167 printf("checksum ok, sets of parameters written = %i\n",checksum);
2169 printf("\nCHECKSUM WRONG, sets of parameters written = %i, should be %i\n\n",checksum,tpcPadNum);
2172 // closing & destroying
2174 fileTCFparam.Close();
2175 fileSecTCFparam.Close();
2177 printf("output written to file: %s\n",nameFileOut);
2183 //____________________________________________________________________________
2184 Int_t AliTPCCalibTCF::DumpTCFparamToFilePerSector(const char *nameFileTCFPerSec, const char *nameMappingFile) {
2186 // Writes TCF parameters per SECTOR (=ROC) to .data file
2188 // from now on: "roc" refers to the offline sector numbering
2189 // "sector" refers to the 18 sectors per side
2191 // Gets TCF parameters of a roc from nameFileTCFPerSec and writes them to
2192 // the file 'tpcTCFparamSector.data'
2194 // If there are parameters for a roc missing, then the parameters are set to -1
2196 Float_t k0 = -1, k1 = -1, k2 = -1, l0 = -1, l1 = -1, l2 = -1;
2198 Int_t validFlag = 0; // 1 if parameters for roc exist
2200 // get file/tuple with parameters per roc
2201 TFile fileTCFparam(nameFileTCFPerSec);
2202 TNtuple *paramTupleSec = (TNtuple*)fileTCFparam.Get("TCFparam");
2206 // usual location of mapping file: $ALICE_ROOT/TPC/Calib/tpcMapping.root
2207 TFile *fileMapping = new TFile(nameMappingFile, "read");
2208 AliTPCmapper *mapping = (AliTPCmapper*) fileMapping->Get("tpcMapping");
2212 printf("Failed to get mapping object from %s. ...\n", nameMappingFile);
2215 printf("Got mapping object from %s\n", nameMappingFile);
2219 // creating outputfile
2222 char nameFileOut[255];
2223 snprintf(nameFileOut,255,"tpcTCFparamSector.data");
2224 fileOut.open(nameFileOut);
2225 // following not used:
2226 // char headerLine[255];
2227 // snprintf(headerLine,255,"16\tside\tsector\tRCU\tHWadr\tk0\tk1\tk2\tl0\tl1\tl2\tValidFlag");
2228 // fileOut << headerLine << std::endl;
2229 fileOut << "16" << std::endl;
2231 // loop over all rcu's in the TPC (6 per sector)
2232 printf("\nstart assigning parameters to rcu's...\n");
2233 for (Int_t side = 0; side<2; side++) {
2234 for (Int_t sector = 0; sector<18; sector++) {
2235 for (Int_t rcu = 0; rcu<6; rcu++) {
2238 Int_t roc = Int_t(mapping->GetRocFromPatch(side, sector, rcu));
2240 // get parameters (through loop search) for rcu from corresponding roc
2241 for (Int_t iParam = 0; iParam < paramTupleSec->GetEntries(); iParam++) {
2242 paramTupleSec->GetEntry(iParam);
2243 Float_t *paramArgs = paramTupleSec->GetArgs();
2244 if ((paramArgs[0]-roc)<1e-7) { // if roc is found
2246 k0 = TMath::Nint(paramArgs[7] * (TMath::Power(2,16) - 1));
2247 k1 = TMath::Nint(paramArgs[8] * (TMath::Power(2,16) - 1));
2248 k2 = TMath::Nint(paramArgs[9] * (TMath::Power(2,16) - 1));
2249 l0 = TMath::Nint(paramArgs[4] * (TMath::Power(2,16) - 1));
2250 l1 = TMath::Nint(paramArgs[5] * (TMath::Power(2,16) - 1));
2251 l2 = TMath::Nint(paramArgs[6] * (TMath::Power(2,16) - 1));
2255 if (!validFlag) { // No TCF parameters found for this roc
2256 k0 = k1 = k2 = l0 = l1 = l2 = -1;
2259 fileOut << entryNum++ << "\t" << side << "\t" << sector << "\t" << rcu << "\t" << -1 << "\t";
2260 fileOut << k0 << "\t" << k1 << "\t" << k2 << "\t" << l0 << "\t" << l1 << "\t" << l2 << "\t" << validFlag << std::endl;
2265 printf("done assigning\n");
2269 fileTCFparam.Close();
2270 printf("output written to file: %s\n",nameFileOut);