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. *
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 **************************************************************************/
18 ///////////////////////////////////////////////////////////////////////////////
20 // TRD MCM (Multi Chip Module) simulator //
21 // which simulates the TRAP processing after the AD-conversion. //
22 // The relevant parameters (i.e. configuration settings of the TRAP) //
23 // are taken from AliTRDtrapConfig. //
25 ///////////////////////////////////////////////////////////////////////////////
36 #include "TClonesArray.h"
40 #include "AliRunLoader.h"
41 #include "AliLoader.h"
43 #include "AliTRDfeeParam.h"
44 #include "AliTRDtrapConfig.h"
45 #include "AliTRDdigitsManager.h"
46 #include "AliTRDarrayADC.h"
47 #include "AliTRDarrayDictionary.h"
48 #include "AliTRDtrackletMCM.h"
49 #include "AliTRDmcmSim.h"
51 ClassImp(AliTRDmcmSim)
53 Bool_t AliTRDmcmSim::fgApplyCut = kTRUE;
54 Int_t AliTRDmcmSim::fgAddBaseline = 0;
56 const Int_t AliTRDmcmSim::fgkFormatIndex = std::ios_base::xalloc();
58 const Int_t AliTRDmcmSim::fgkNADC = AliTRDfeeParam::GetNadcMcm();
59 const UShort_t AliTRDmcmSim::fgkFPshifts[4] = {11, 14, 17, 21};
62 AliTRDmcmSim::AliTRDmcmSim() :
75 fTrklBranchName("mcmtrklbranch"),
88 // AliTRDmcmSim default constructor
89 // By default, nothing is initialized.
90 // It is necessary to issue Init before use.
93 AliTRDmcmSim::~AliTRDmcmSim()
96 // AliTRDmcmSim destructor
100 for( Int_t iAdc = 0 ; iAdc < fgkNADC; iAdc++ ) {
101 delete [] fADCR[iAdc];
102 delete [] fADCF[iAdc];
110 delete [] fGainCounterA;
111 delete [] fGainCounterB;
112 delete [] fTailAmplLong;
113 delete [] fTailAmplShort;
116 fTrackletArray->Delete();
117 delete fTrackletArray;
121 void AliTRDmcmSim::Init( Int_t det, Int_t robPos, Int_t mcmPos, Bool_t /* newEvent */ )
124 // Initialize the class with new MCM position information
125 // memory is allocated in the first initialization
129 fFeeParam = AliTRDfeeParam::Instance();
130 fTrapConfig = AliTRDtrapConfig::Instance();
136 fNTimeBin = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kC13CPUA);
137 fRow = fFeeParam->GetPadRowFromMCM( fRobPos, fMcmPos );
140 fADCR = new Int_t *[fgkNADC];
141 fADCF = new Int_t *[fgkNADC];
142 fZSMap = new Int_t [fgkNADC];
143 fGainCounterA = new UInt_t[fgkNADC];
144 fGainCounterB = new UInt_t[fgkNADC];
145 for( Int_t iAdc = 0 ; iAdc < fgkNADC; iAdc++ ) {
146 fADCR[iAdc] = new Int_t[fNTimeBin];
147 fADCF[iAdc] = new Int_t[fNTimeBin];
151 fPedAcc = new UInt_t[fgkNADC]; // accumulator for pedestal filter
152 fTailAmplLong = new UShort_t[fgkNADC];
153 fTailAmplShort = new UShort_t[fgkNADC];
155 // tracklet calculation
156 fFitReg = new FitReg_t[fgkNADC];
157 fTrackletArray = new TClonesArray("AliTRDtrackletMCM", fgkMaxTracklets);
159 fMCMT = new UInt_t[fgkMaxTracklets];
162 fInitialized = kTRUE;
167 void AliTRDmcmSim::Reset()
169 // Resets the data values and internal filter registers
170 // by re-initialising them
172 if( !CheckInitialized() )
175 for( Int_t iAdc = 0 ; iAdc < fgkNADC; iAdc++ ) {
176 for( Int_t it = 0 ; it < fNTimeBin ; it++ ) {
180 fZSMap[iAdc] = -1; // Default unread, low active bit mask
181 fGainCounterA[iAdc] = 0;
182 fGainCounterB[iAdc] = 0;
185 for(Int_t i = 0; i < fgkMaxTracklets; i++) {
189 for (Int_t iDict = 0; iDict < 3; iDict++)
192 FilterPedestalInit();
197 void AliTRDmcmSim::SetNTimebins(Int_t ntimebins)
199 // Reallocate memory if a change in the number of timebins
200 // is needed (should not be the case for real data)
202 if( !CheckInitialized() )
205 fNTimeBin = ntimebins;
206 for( Int_t iAdc = 0 ; iAdc < fgkNADC; iAdc++ ) {
209 fADCR[iAdc] = new Int_t[fNTimeBin];
210 fADCF[iAdc] = new Int_t[fNTimeBin];
214 Bool_t AliTRDmcmSim::LoadMCM(AliRunLoader* const runloader, Int_t det, Int_t rob, Int_t mcm)
216 // loads the ADC data as obtained from the digitsManager for the specified MCM.
217 // This method is meant for rare execution, e.g. in the visualization. When called
218 // frequently use SetData(...) instead.
223 AliError("No Runloader given");
227 AliLoader *trdLoader = runloader->GetLoader("TRDLoader");
229 AliError("Could not get TRDLoader");
233 Bool_t retval = kTRUE;
234 trdLoader->LoadDigits();
235 fDigitsManager = 0x0;
236 AliTRDdigitsManager *digMgr = new AliTRDdigitsManager();
237 digMgr->SetSDigits(0);
238 digMgr->CreateArrays();
239 digMgr->ReadDigits(trdLoader->TreeD());
240 AliTRDarrayADC *digits = (AliTRDarrayADC*) digMgr->GetDigits(det);
241 if (digits->HasData()) {
244 if (fNTimeBin != digits->GetNtime()) {
245 AliWarning(Form("Changing no. of timebins from %i to %i", fNTimeBin, digits->GetNtime()));
246 SetNTimebins(digits->GetNtime());
259 void AliTRDmcmSim::NoiseTest(Int_t nsamples, Int_t mean, Int_t sigma, Int_t inputGain, Int_t inputTail)
261 // This function can be used to test the filters.
262 // It feeds nsamples of ADC values with a gaussian distribution specified by mean and sigma.
263 // The filter chain implemented here consists of:
264 // Pedestal -> Gain -> Tail
265 // With inputGain and inputTail the input to the gain and tail filter, respectively,
266 // can be chosen where
268 // 1: pedestal output
270 // The input has to be chosen from a stage before.
271 // The filter behaviour is controlled by the TRAP parameters from AliTRDtrapConfig in the
272 // same way as in normal simulation.
273 // The functions produces four histograms with the values at the different stages.
275 if( !CheckInitialized() )
278 TString nameInputGain;
279 TString nameInputTail;
283 nameInputGain = "Noise";
287 nameInputGain = "Pedestal";
291 AliError("Undefined input to tail cancellation filter");
297 nameInputTail = "Noise";
301 nameInputTail = "Pedestal";
305 nameInputTail = "Gain";
309 AliError("Undefined input to tail cancellation filter");
313 TH1F *h = new TH1F("noise", "Gaussian Noise;sample;ADC count",
314 nsamples, 0, nsamples);
315 TH1F *hfp = new TH1F("ped", "Noise #rightarrow Pedestal filter;sample;ADC count", nsamples, 0, nsamples);
316 TH1F *hfg = new TH1F("gain",
317 (nameInputGain + "#rightarrow Gain;sample;ADC count").Data(),
318 nsamples, 0, nsamples);
319 TH1F *hft = new TH1F("tail",
320 (nameInputTail + "#rightarrow Tail;sample;ADC count").Data(),
321 nsamples, 0, nsamples);
323 hfp->SetStats(kFALSE);
324 hfg->SetStats(kFALSE);
325 hft->SetStats(kFALSE);
327 Int_t value; // ADC count with noise (10 bit)
328 Int_t valuep; // pedestal filter output (12 bit)
329 Int_t valueg; // gain filter output (12 bit)
330 Int_t valuet; // tail filter value (12 bit)
332 for (Int_t i = 0; i < nsamples; i++) {
333 value = (Int_t) gRandom->Gaus(mean, sigma); // generate noise with gaussian distribution
334 h->SetBinContent(i, value);
336 valuep = FilterPedestalNextSample(1, 0, ((Int_t) value) << 2);
339 valueg = FilterGainNextSample(1, ((Int_t) value) << 2);
341 valueg = FilterGainNextSample(1, valuep);
344 valuet = FilterTailNextSample(1, ((Int_t) value) << 2);
345 else if (inputTail == 1)
346 valuet = FilterTailNextSample(1, valuep);
348 valuet = FilterTailNextSample(1, valueg);
350 hfp->SetBinContent(i, valuep >> 2);
351 hfg->SetBinContent(i, valueg >> 2);
352 hft->SetBinContent(i, valuet >> 2);
355 TCanvas *c = new TCanvas;
367 Bool_t AliTRDmcmSim::CheckInitialized() const
370 // Check whether object is initialized
374 AliError(Form ("AliTRDmcmSim is not initialized but function other than Init() is called."));
379 void AliTRDmcmSim::Print(Option_t* const option) const
381 // Prints the data stored and/or calculated for this MCM.
382 // The output is controlled by option which can be a sequence of any of
383 // the following characters:
384 // R - prints raw ADC data
385 // F - prints filtered data
386 // H - prints detected hits
387 // T - prints found tracklets
388 // The later stages are only meaningful after the corresponding calculations
389 // have been performed.
391 if ( !CheckInitialized() )
394 printf("MCM %i on ROB %i in detector %i\n", fMcmPos, fRobPos, fDetector);
396 TString opt = option;
397 if (opt.Contains("R") || opt.Contains("F")) {
401 if (opt.Contains("H")) {
402 printf("Found %i hits:\n", fNHits);
403 for (Int_t iHit = 0; iHit < fNHits; iHit++) {
404 printf("Hit %3i in timebin %2i, ADC %2i has charge %3i and position %3i\n",
405 iHit, fHits[iHit].fTimebin, fHits[iHit].fChannel, fHits[iHit].fQtot, fHits[iHit].fYpos);
409 if (opt.Contains("T")) {
410 printf("Tracklets:\n");
411 for (Int_t iTrkl = 0; iTrkl < fTrackletArray->GetEntriesFast(); iTrkl++) {
412 printf("tracklet %i: 0x%08x\n", iTrkl, ((AliTRDtrackletMCM*) (*fTrackletArray)[iTrkl])->GetTrackletWord());
417 void AliTRDmcmSim::Draw(Option_t* const option)
419 // Plots the data stored in a 2-dim. timebin vs. ADC channel plot.
420 // The option selects what data is plotted and can be a sequence of
421 // the following characters:
422 // R - plot raw data (default)
423 // F - plot filtered data (meaningless if R is specified)
424 // In addition to the ADC values:
426 // T - plot tracklets
428 if( !CheckInitialized() )
431 TString opt = option;
433 TH2F *hist = new TH2F("mcmdata", Form("Data of MCM %i on ROB %i in detector %i", \
434 fMcmPos, fRobPos, fDetector), \
435 fgkNADC, -0.5, fgkNADC-.5, fNTimeBin, -.5, fNTimeBin-.5);
436 hist->GetXaxis()->SetTitle("ADC Channel");
437 hist->GetYaxis()->SetTitle("Timebin");
438 hist->SetStats(kFALSE);
440 if (opt.Contains("R")) {
441 for (Int_t iTimeBin = 0; iTimeBin < fNTimeBin; iTimeBin++) {
442 for (Int_t iAdc = 0; iAdc < fgkNADC; iAdc++) {
443 hist->SetBinContent(iAdc+1, iTimeBin+1, fADCR[iAdc][iTimeBin] >> fgkAddDigits);
448 for (Int_t iTimeBin = 0; iTimeBin < fNTimeBin; iTimeBin++) {
449 for (Int_t iAdc = 0; iAdc < fgkNADC; iAdc++) {
450 hist->SetBinContent(iAdc+1, iTimeBin+1, fADCF[iAdc][iTimeBin] >> fgkAddDigits);
456 if (opt.Contains("H")) {
457 TGraph *grHits = new TGraph();
458 for (Int_t iHit = 0; iHit < fNHits; iHit++) {
459 grHits->SetPoint(iHit,
460 fHits[iHit].fChannel + 1 + fHits[iHit].fYpos/256.,
461 fHits[iHit].fTimebin);
466 if (opt.Contains("T")) {
467 TLine *trklLines = new TLine[4];
468 for (Int_t iTrkl = 0; iTrkl < fTrackletArray->GetEntries(); iTrkl++) {
469 AliTRDtrackletMCM *trkl = (AliTRDtrackletMCM*) (*fTrackletArray)[iTrkl];
470 Float_t padWidth = 0.635 + 0.03 * (fDetector % 6);
471 Float_t offset = padWidth/256. * ((((((fRobPos & 0x1) << 2) + (fMcmPos & 0x3)) * 18) << 8) - ((18*4*2 - 18*2 - 3) << 7)); // revert adding offset in FitTracklet
472 Int_t ndrift = fTrapConfig->GetDmemUnsigned(0xc025, fDetector, fRobPos, fMcmPos) >> 5;
473 Float_t slope = trkl->GetdY() * 140e-4 / ndrift;
475 Int_t t0 = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPFS);
476 Int_t t1 = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPFE);
478 trklLines[iTrkl].SetX1((offset - (trkl->GetY() - slope * t0)) / padWidth); // ??? sign?
479 trklLines[iTrkl].SetY1(t0);
480 trklLines[iTrkl].SetX2((offset - (trkl->GetY() - slope * t1)) / padWidth); // ??? sign?
481 trklLines[iTrkl].SetY2(t1);
482 trklLines[iTrkl].SetLineColor(2);
483 trklLines[iTrkl].SetLineWidth(2);
484 printf("Tracklet %i: y = %f, dy = %f, offset = %f\n", iTrkl, trkl->GetY(), (trkl->GetdY() * 140e-4), offset);
485 trklLines[iTrkl].Draw();
490 void AliTRDmcmSim::SetData( Int_t adc, Int_t* const data )
493 // Store ADC data into array of raw data
496 if( !CheckInitialized() ) return;
498 if( adc < 0 || adc >= fgkNADC ) {
499 AliError(Form ("Error: ADC %i is out of range (0 .. %d).", adc, fgkNADC-1));
503 for( Int_t it = 0 ; it < fNTimeBin ; it++ ) {
504 fADCR[adc][it] = (Int_t) (data[it]) << fgkAddDigits;
505 fADCF[adc][it] = (Int_t) (data[it]) << fgkAddDigits;
509 void AliTRDmcmSim::SetData( Int_t adc, Int_t it, Int_t data )
512 // Store ADC data into array of raw data
515 if( !CheckInitialized() ) return;
517 if( adc < 0 || adc >= fgkNADC ) {
518 AliError(Form ("Error: ADC %i is out of range (0 .. %d).", adc, fgkNADC-1));
522 fADCR[adc][it] = data << fgkAddDigits;
523 fADCF[adc][it] = data << fgkAddDigits;
526 void AliTRDmcmSim::SetData(AliTRDarrayADC* const adcArray, AliTRDdigitsManager * const digitsManager)
528 // Set the ADC data from an AliTRDarrayADC
530 if( !CheckInitialized() )
533 fDigitsManager = digitsManager;
534 if (fDigitsManager) {
535 for (Int_t iDict = 0; iDict < 3; iDict++) {
536 AliTRDarrayDictionary *newDict = (AliTRDarrayDictionary*) fDigitsManager->GetDictionary(fDetector, iDict);
537 if (fDict[iDict] != 0x0 && newDict != 0x0) {
539 if (fDict[iDict] == newDict)
542 fDict[iDict] = newDict;
544 if (fDict[iDict]->GetDim() == 0) {
545 AliError(Form("Dictionary %i of det. %i has dim. 0", fDetector, iDict));
548 fDict[iDict]->Expand();
551 fDict[iDict] = newDict;
553 fDict[iDict]->Expand();
558 if (fNTimeBin != adcArray->GetNtime())
559 SetNTimebins(adcArray->GetNtime());
561 Int_t offset = (fMcmPos % 4 + 1) * 21 + (fRobPos % 2) * 84 - 1;
563 for (Int_t iTimeBin = 0; iTimeBin < fNTimeBin; iTimeBin++) {
564 for (Int_t iAdc = 0; iAdc < fgkNADC; iAdc++) {
565 Int_t value = adcArray->GetDataByAdcCol(GetRow(), offset - iAdc, iTimeBin);
566 if (value < 0 || (offset - iAdc < 1) || (offset - iAdc > 165)) {
567 fADCR[iAdc][iTimeBin] = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kFPNP) + (fgAddBaseline << fgkAddDigits);
568 fADCF[iAdc][iTimeBin] = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPFP) + (fgAddBaseline << fgkAddDigits);
572 fADCR[iAdc][iTimeBin] = (value << fgkAddDigits) + (fgAddBaseline << fgkAddDigits);
573 fADCF[iAdc][iTimeBin] = (value << fgkAddDigits) + (fgAddBaseline << fgkAddDigits);
579 void AliTRDmcmSim::SetDataByPad(AliTRDarrayADC* const adcArray, AliTRDdigitsManager * const digitsManager)
581 // Set the ADC data from an AliTRDarrayADC
582 // (by pad, to be used during initial reading in simulation)
584 if( !CheckInitialized() )
587 fDigitsManager = digitsManager;
588 if (fDigitsManager) {
589 for (Int_t iDict = 0; iDict < 3; iDict++) {
590 AliTRDarrayDictionary *newDict = (AliTRDarrayDictionary*) fDigitsManager->GetDictionary(fDetector, iDict);
591 if (fDict[iDict] != 0x0 && newDict != 0x0) {
593 if (fDict[iDict] == newDict)
596 fDict[iDict] = newDict;
598 if (fDict[iDict]->GetDim() == 0) {
599 AliError(Form("Dictionary %i of det. %i has dim. 0", fDetector, iDict));
602 fDict[iDict]->Expand();
605 fDict[iDict] = newDict;
607 fDict[iDict]->Expand();
612 if (fNTimeBin != adcArray->GetNtime())
613 SetNTimebins(adcArray->GetNtime());
615 Int_t offset = (fMcmPos % 4 + 1) * 18 + (fRobPos % 2) * 72 + 1;
617 for (Int_t iTimeBin = 0; iTimeBin < fNTimeBin; iTimeBin++) {
618 for (Int_t iAdc = 0; iAdc < fgkNADC; iAdc++) {
620 Int_t pad = offset - iAdc;
621 if (pad > -1 && pad < 144)
622 value = adcArray->GetData(GetRow(), offset - iAdc, iTimeBin);
623 // Int_t value = adcArray->GetDataByAdcCol(GetRow(), offset - iAdc, iTimeBin);
624 if (value < 0 || (offset - iAdc < 1) || (offset - iAdc > 165)) {
625 fADCR[iAdc][iTimeBin] = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kFPNP) + (fgAddBaseline << fgkAddDigits);
626 fADCF[iAdc][iTimeBin] = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPFP) + (fgAddBaseline << fgkAddDigits);
630 fADCR[iAdc][iTimeBin] = (value << fgkAddDigits) + (fgAddBaseline << fgkAddDigits);
631 fADCF[iAdc][iTimeBin] = (value << fgkAddDigits) + (fgAddBaseline << fgkAddDigits);
637 void AliTRDmcmSim::SetDataPedestal( Int_t adc )
640 // Store ADC data into array of raw data
643 if( !CheckInitialized() )
646 if( adc < 0 || adc >= fgkNADC ) {
650 for( Int_t it = 0 ; it < fNTimeBin ; it++ ) {
651 fADCR[adc][it] = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kFPNP) + (fgAddBaseline << fgkAddDigits);
652 fADCF[adc][it] = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPFP) + (fgAddBaseline << fgkAddDigits);
656 Bool_t AliTRDmcmSim::GetHit(Int_t index, Int_t &channel, Int_t &timebin, Int_t &qtot, Int_t &ypos, Float_t &y, Int_t &label) const
658 // retrieve the MC hit information (not available in TRAP hardware)
660 if (index < 0 || index >= fNHits)
663 channel = fHits[index].fChannel;
664 timebin = fHits[index].fTimebin;
665 qtot = fHits[index].fQtot;
666 ypos = fHits[index].fYpos;
667 y = (Float_t) ((((((fRobPos & 0x1) << 2) + (fMcmPos & 0x3)) * 18) << 8) - ((18*4*2 - 18*2 - 1) << 7) -
668 (channel << 8) - ypos)
669 * (0.635 + 0.03 * (fDetector % 6))
671 label = fHits[index].fLabel;
676 Int_t AliTRDmcmSim::GetCol( Int_t adc )
679 // Return column id of the pad for the given ADC channel
682 if( !CheckInitialized() )
685 Int_t col = fFeeParam->GetPadColFromADC(fRobPos, fMcmPos, adc);
686 if (col < 0 || col >= fFeeParam->GetNcol())
692 Int_t AliTRDmcmSim::ProduceRawStream( UInt_t *buf, Int_t bufSize, UInt_t iEv) const
695 // Produce raw data stream from this MCM and put in buf
696 // Returns number of words filled, or negative value
697 // with -1 * number of overflowed words
700 if( !CheckInitialized() )
704 Int_t nw = 0; // Number of written words
705 Int_t of = 0; // Number of overflowed words
706 Int_t rawVer = fFeeParam->GetRAWversion();
708 Int_t nActiveADC = 0; // number of activated ADC bits in a word
710 if( !CheckInitialized() )
713 if (fTrapConfig->GetTrapReg(AliTRDtrapConfig::kEBSF) != 0) // store unfiltered data
718 // Produce MCM header
719 x = (1<<31) | (fRobPos << 28) | (fMcmPos << 24) | ((iEv % 0x100000) << 4) | 0xC;
728 // Produce ADC mask : nncc cccm mmmm mmmm mmmm mmmm mmmm 1100
729 // n : unused , c : ADC count, m : selected ADCs
732 for( Int_t iAdc = 0 ; iAdc < fgkNADC ; iAdc++ ) {
733 if( ~fZSMap[iAdc] != 0 ) { // 0 means not suppressed
734 x = x | (1 << (iAdc+4) ); // last 4 digit reserved for 1100=0xc
735 nActiveADC++; // number of 1 in mmm....m
738 x = x | (1 << 30) | ( ( 0x3FFFFFFC ) & (~(nActiveADC) << 25) ) | 0xC; // nn = 01, ccccc are inverted, 0xc=1100
748 // Produce ADC data. 3 timebins are packed into one 32 bits word
749 // In this version, different ADC channel will NOT share the same word
751 UInt_t aa=0, a1=0, a2=0, a3=0;
753 for (Int_t iAdc = 0; iAdc < 21; iAdc++ ) {
754 if( rawVer>= 3 && ~fZSMap[iAdc] == 0 ) continue; // Zero Suppression, 0 means not suppressed
755 aa = !(iAdc & 1) + 2;
756 for (Int_t iT = 0; iT < fNTimeBin; iT+=3 ) {
757 a1 = ((iT ) < fNTimeBin ) ? adc[iAdc][iT ] >> fgkAddDigits : 0;
758 a2 = ((iT + 1) < fNTimeBin ) ? adc[iAdc][iT+1] >> fgkAddDigits : 0;
759 a3 = ((iT + 2) < fNTimeBin ) ? adc[iAdc][iT+2] >> fgkAddDigits : 0;
760 x = (a3 << 22) | (a2 << 12) | (a1 << 2) | aa;
770 if( of != 0 ) return -of; else return nw;
773 Int_t AliTRDmcmSim::ProduceTrackletStream( UInt_t *buf, Int_t bufSize )
776 // Produce tracklet data stream from this MCM and put in buf
777 // Returns number of words filled, or negative value
778 // with -1 * number of overflowed words
781 if( !CheckInitialized() )
784 Int_t nw = 0; // Number of written words
785 Int_t of = 0; // Number of overflowed words
787 // Produce tracklet data. A maximum of four 32 Bit words will be written per MCM
788 // fMCMT is filled continuously until no more tracklet words available
790 for (Int_t iTracklet = 0; iTracklet < fTrackletArray->GetEntriesFast(); iTracklet++) {
792 buf[nw++] = ((AliTRDtrackletMCM*) (*fTrackletArray)[iTracklet])->GetTrackletWord();
797 if( of != 0 ) return -of; else return nw;
800 void AliTRDmcmSim::Filter()
803 // Filter the raw ADC values. The active filter stages and their
804 // parameters are taken from AliTRDtrapConfig.
805 // The raw data is stored separate from the filtered data. Thus,
806 // it is possible to run the filters on a set of raw values
807 // sequentially for parameter tuning.
810 if( !CheckInitialized() )
813 // Apply filters sequentially. Bypass is handled by filters
814 // since counters and internal registers may be updated even
815 // if the filter is bypassed.
816 // The first filter takes the data from fADCR and
819 // Non-linearity filter not implemented.
823 // Crosstalk filter not implemented.
826 void AliTRDmcmSim::FilterPedestalInit(Int_t baseline)
828 // Initializes the pedestal filter assuming that the input has
829 // been constant for a long time (compared to the time constant).
831 UShort_t fptc = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kFPTC); // 0..3, 0 - fastest, 3 - slowest
833 for (Int_t iAdc = 0; iAdc < fgkNADC; iAdc++)
834 fPedAcc[iAdc] = (baseline << 2) * (1 << fgkFPshifts[fptc]);
837 UShort_t AliTRDmcmSim::FilterPedestalNextSample(Int_t adc, Int_t timebin, UShort_t value)
839 // Returns the output of the pedestal filter given the input value.
840 // The output depends on the internal registers and, thus, the
841 // history of the filter.
843 UShort_t fpnp = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kFPNP); // 0..511 -> 0..127.75, pedestal at the output
844 UShort_t fptc = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kFPTC); // 0..3, 0 - fastest, 3 - slowest
845 UShort_t fpby = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kFPBY); // 0..1 bypass, active low
847 UShort_t accumulatorShifted;
851 inpAdd = value + fpnp;
853 accumulatorShifted = (fPedAcc[adc] >> fgkFPshifts[fptc]) & 0x3FF; // 10 bits
854 if (timebin == 0) // the accumulator is disabled in the drift time
856 correction = (value & 0x3FF) - accumulatorShifted;
857 fPedAcc[adc] = (fPedAcc[adc] + correction) & 0x7FFFFFFF; // 31 bits
863 if (inpAdd <= accumulatorShifted)
867 inpAdd = inpAdd - accumulatorShifted;
875 void AliTRDmcmSim::FilterPedestal()
878 // Apply pedestal filter
880 // As the first filter in the chain it reads data from fADCR
881 // and outputs to fADCF.
882 // It has only an effect if previous samples have been fed to
883 // find the pedestal. Currently, the simulation assumes that
884 // the input has been stable for a sufficiently long time.
886 for (Int_t iTimeBin = 0; iTimeBin < fNTimeBin; iTimeBin++) {
887 for (Int_t iAdc = 0; iAdc < fgkNADC; iAdc++) {
888 fADCF[iAdc][iTimeBin] = FilterPedestalNextSample(iAdc, iTimeBin, fADCR[iAdc][iTimeBin]);
893 void AliTRDmcmSim::FilterGainInit()
895 // Initializes the gain filter. In this case, only threshold
896 // counters are reset.
898 for (Int_t iAdc = 0; iAdc < fgkNADC; iAdc++) {
899 // these are counters which in hardware continue
900 // until maximum or reset
901 fGainCounterA[iAdc] = 0;
902 fGainCounterB[iAdc] = 0;
906 UShort_t AliTRDmcmSim::FilterGainNextSample(Int_t adc, UShort_t value)
908 // Apply the gain filter to the given value.
909 // BEGIN_LATEX O_{i}(t) = #gamma_{i} * I_{i}(t) + a_{i} END_LATEX
910 // The output depends on the internal registers and, thus, the
911 // history of the filter.
913 UShort_t fgby = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kFGBY); // bypass, active low
914 UShort_t fgf = fTrapConfig->GetTrapReg(AliTRDtrapConfig::TrapReg_t(AliTRDtrapConfig::kFGF0 + adc)); // 0x700 + (0 & 0x1ff);
915 UShort_t fga = fTrapConfig->GetTrapReg(AliTRDtrapConfig::TrapReg_t(AliTRDtrapConfig::kFGA0 + adc)); // 40;
916 UShort_t fgta = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kFGTA); // 20;
917 UShort_t fgtb = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kFGTB); // 2060;
919 UInt_t corr; // corrected value
922 corr = (value * fgf) >> 11;
923 corr = corr > 0xfff ? 0xfff : corr;
924 corr = AddUintClipping(corr, fga, 12);
926 // Update threshold counters
927 // not really useful as they are cleared with every new event
928 if (!((fGainCounterA[adc] == 0x3FFFFFF) || (fGainCounterB[adc] == 0x3FFFFFF)))
932 fGainCounterB[adc]++;
933 else if (corr >= fgta)
934 fGainCounterA[adc]++;
943 void AliTRDmcmSim::FilterGain()
945 // Read data from fADCF and apply gain filter.
947 for (Int_t iAdc = 0; iAdc < fgkNADC; iAdc++) {
948 for (Int_t iTimeBin = 0; iTimeBin < fNTimeBin; iTimeBin++) {
949 fADCF[iAdc][iTimeBin] = FilterGainNextSample(iAdc, fADCF[iAdc][iTimeBin]);
954 void AliTRDmcmSim::FilterTailInit(Int_t baseline)
956 // Initializes the tail filter assuming that the input has
957 // been at the baseline value (configured by FTFP) for a
958 // sufficiently long time.
960 // exponents and weight calculated from configuration
961 UShort_t alphaLong = 0x3ff & fTrapConfig->GetTrapReg(AliTRDtrapConfig::kFTAL); // the weight of the long component
962 UShort_t lambdaLong = (1 << 10) | (1 << 9) | (fTrapConfig->GetTrapReg(AliTRDtrapConfig::kFTLL) & 0x1FF); // the multiplier
963 UShort_t lambdaShort = (0 << 10) | (1 << 9) | (fTrapConfig->GetTrapReg(AliTRDtrapConfig::kFTLS) & 0x1FF); // the multiplier
965 Float_t lambdaL = lambdaLong * 1.0 / (1 << 11);
966 Float_t lambdaS = lambdaShort * 1.0 / (1 << 11);
967 Float_t alphaL = alphaLong * 1.0 / (1 << 11);
969 qup = (1 - lambdaL) * (1 - lambdaS);
970 qdn = 1 - lambdaS * alphaL - lambdaL * (1 - alphaL);
971 Float_t kdc = qup/qdn;
977 baseline = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kFPNP);
979 ql = lambdaL * (1 - lambdaS) * alphaL;
980 qs = lambdaS * (1 - lambdaL) * (1 - alphaL);
982 for (Int_t iAdc = 0; iAdc < fgkNADC; iAdc++) {
983 Int_t value = baseline & 0xFFF;
984 Int_t corr = (value * fTrapConfig->GetTrapReg(AliTRDtrapConfig::TrapReg_t(AliTRDtrapConfig::kFGF0 + iAdc))) >> 11;
985 corr = corr > 0xfff ? 0xfff : corr;
986 corr = AddUintClipping(corr, fTrapConfig->GetTrapReg(AliTRDtrapConfig::TrapReg_t(AliTRDtrapConfig::kFGA0 + iAdc)), 12);
989 aout = baseline - (UShort_t) kt;
991 fTailAmplLong[iAdc] = (UShort_t) (aout * ql / (ql + qs));
992 fTailAmplShort[iAdc] = (UShort_t) (aout * qs / (ql + qs));
996 UShort_t AliTRDmcmSim::FilterTailNextSample(Int_t adc, UShort_t value)
998 // Returns the output of the tail filter for the given input value.
999 // The output depends on the internal registers and, thus, the
1000 // history of the filter.
1002 // exponents and weight calculated from configuration
1003 UShort_t alphaLong = 0x3ff & fTrapConfig->GetTrapReg(AliTRDtrapConfig::kFTAL); // the weight of the long component
1004 UShort_t lambdaLong = (1 << 10) | (1 << 9) | (fTrapConfig->GetTrapReg(AliTRDtrapConfig::kFTLL) & 0x1FF); // the multiplier of the long component
1005 UShort_t lambdaShort = (0 << 10) | (1 << 9) | (fTrapConfig->GetTrapReg(AliTRDtrapConfig::kFTLS) & 0x1FF); // the multiplier of the short component
1007 // intermediate signals
1013 UShort_t inpVolt = value & 0xFFF; // 12 bits
1015 // add the present generator outputs
1016 aQ = AddUintClipping(fTailAmplLong[adc], fTailAmplShort[adc], 12);
1018 // calculate the difference between the input and the generated signal
1020 aDiff = inpVolt - aQ;
1024 // the inputs to the two generators, weighted
1025 alInpv = (aDiff * alphaLong) >> 11;
1027 // the new values of the registers, used next time
1029 tmp = AddUintClipping(fTailAmplLong[adc], alInpv, 12);
1030 tmp = (tmp * lambdaLong) >> 11;
1031 fTailAmplLong[adc] = tmp & 0xFFF;
1033 tmp = AddUintClipping(fTailAmplShort[adc], aDiff - alInpv, 12);
1034 tmp = (tmp * lambdaShort) >> 11;
1035 fTailAmplShort[adc] = tmp & 0xFFF;
1037 // the output of the filter
1038 if (fTrapConfig->GetTrapReg(AliTRDtrapConfig::kFTBY) == 0) // bypass mode, active low
1044 void AliTRDmcmSim::FilterTail()
1046 // Apply tail cancellation filter to all data.
1048 for (Int_t iTimeBin = 0; iTimeBin < fNTimeBin; iTimeBin++) {
1049 for (Int_t iAdc = 0; iAdc < fgkNADC; iAdc++) {
1050 fADCF[iAdc][iTimeBin] = FilterTailNextSample(iAdc, fADCF[iAdc][iTimeBin]);
1055 void AliTRDmcmSim::ZSMapping()
1058 // Zero Suppression Mapping implemented in TRAP chip
1059 // only implemented for up to 30 timebins
1061 // See detail TRAP manual "Data Indication" section:
1062 // http://www.kip.uni-heidelberg.de/ti/TRD/doc/trap/TRAP-UserManual.pdf
1065 if( !CheckInitialized() )
1068 Int_t eBIS = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kEBIS);
1069 Int_t eBIT = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kEBIT);
1070 Int_t eBIL = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kEBIL);
1071 Int_t eBIN = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kEBIN);
1073 Int_t **adc = fADCF;
1075 for (Int_t iAdc = 0; iAdc < fgkNADC; iAdc++)
1078 for( Int_t it = 0 ; it < fNTimeBin ; it++ ) {
1079 Int_t iAdc; // current ADC channel
1084 Int_t supp; // suppression of the current channel (low active)
1086 // ----- first channel -----
1090 ac = adc[iAdc ][it]; // current
1091 an = adc[iAdc+1][it]; // next
1093 mask = ( ac >= ap && ac >= an ) ? 0 : 0x1; // peak center detection
1094 mask += ( ap + ac + an > eBIT ) ? 0 : 0x2; // cluster
1095 mask += ( ac > eBIS ) ? 0 : 0x4; // absolute large peak
1097 supp = (eBIL >> mask) & 1;
1099 fZSMap[iAdc] &= ~((1-supp) << it);
1100 if( eBIN == 0 ) { // neighbour sensitivity
1101 fZSMap[iAdc+1] &= ~((1-supp) << it);
1104 // ----- last channel -----
1107 ap = adc[iAdc-1][it]; // previous
1108 ac = adc[iAdc ][it]; // current
1111 mask = ( ac >= ap && ac >= an ) ? 0 : 0x1; // peak center detection
1112 mask += ( ap + ac + an > eBIT ) ? 0 : 0x2; // cluster
1113 mask += ( ac > eBIS ) ? 0 : 0x4; // absolute large peak
1115 supp = (eBIL >> mask) & 1;
1117 fZSMap[iAdc] &= ~((1-supp) << it);
1118 if( eBIN == 0 ) { // neighbour sensitivity
1119 fZSMap[iAdc-1] &= ~((1-supp) << it);
1122 // ----- middle channels -----
1123 for( iAdc = 1 ; iAdc < fgkNADC-1; iAdc++ ) {
1124 ap = adc[iAdc-1][it]; // previous
1125 ac = adc[iAdc ][it]; // current
1126 an = adc[iAdc+1][it]; // next
1128 mask = ( ac >= ap && ac >= an ) ? 0 : 0x1; // peak center detection
1129 mask += ( ap + ac + an > eBIT ) ? 0 : 0x2; // cluster
1130 mask += ( ac > eBIS ) ? 0 : 0x4; // absolute large peak
1132 supp = (eBIL >> mask) & 1;
1134 fZSMap[iAdc] &= ~((1-supp) << it);
1135 if( eBIN == 0 ) { // neighbour sensitivity
1136 fZSMap[iAdc-1] &= ~((1-supp) << it);
1137 fZSMap[iAdc+1] &= ~((1-supp) << it);
1144 void AliTRDmcmSim::AddHitToFitreg(Int_t adc, UShort_t timebin, UShort_t qtot, Short_t ypos, Int_t label)
1146 // Add the given hit to the fit register which is lateron used for
1147 // the tracklet calculation.
1148 // In addition to the fit sums in the fit register MC information
1151 if ((timebin >= fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPQS0)) &&
1152 (timebin < fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPQE0)))
1153 fFitReg[adc].fQ0 += qtot;
1155 if ((timebin >= fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPQS1)) &&
1156 (timebin < fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPQE1)))
1157 fFitReg[adc].fQ1 += qtot;
1159 if ((timebin >= fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPFS) ) &&
1160 (timebin < fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPFE)))
1162 fFitReg[adc].fSumX += timebin;
1163 fFitReg[adc].fSumX2 += timebin*timebin;
1164 fFitReg[adc].fNhits++;
1165 fFitReg[adc].fSumY += ypos;
1166 fFitReg[adc].fSumY2 += ypos*ypos;
1167 fFitReg[adc].fSumXY += timebin*ypos;
1170 // register hits (MC info)
1171 fHits[fNHits].fChannel = adc;
1172 fHits[fNHits].fQtot = qtot;
1173 fHits[fNHits].fYpos = ypos;
1174 fHits[fNHits].fTimebin = timebin;
1175 fHits[fNHits].fLabel = label;
1179 void AliTRDmcmSim::CalcFitreg()
1182 // Detect the hits and fill the fit registers.
1183 // Requires 12-bit data from fADCF which means Filter()
1184 // has to be called before even if all filters are bypassed.
1186 //??? to be clarified:
1187 UInt_t adcMask = 0xffffffff;
1189 UShort_t timebin, adcch, adcLeft, adcCentral, adcRight, hitQual, timebin1, timebin2, qtotTemp;
1190 Short_t ypos, fromLeft, fromRight, found;
1191 UShort_t qTotal[19]; // the last is dummy
1192 UShort_t marked[6], qMarked[6], worse1, worse2;
1194 timebin1 = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPFS);
1195 if (fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPQS0)
1197 timebin1 = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPQS0);
1198 timebin2 = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPFE);
1199 if (fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPQE1)
1201 timebin2 = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPQE1);
1203 // reset the fit registers
1205 for (adcch = 0; adcch < fgkNADC-2; adcch++) // due to border channels
1207 fFitReg[adcch].fNhits = 0;
1208 fFitReg[adcch].fQ0 = 0;
1209 fFitReg[adcch].fQ1 = 0;
1210 fFitReg[adcch].fSumX = 0;
1211 fFitReg[adcch].fSumY = 0;
1212 fFitReg[adcch].fSumX2 = 0;
1213 fFitReg[adcch].fSumY2 = 0;
1214 fFitReg[adcch].fSumXY = 0;
1217 for (timebin = timebin1; timebin < timebin2; timebin++)
1219 // first find the hit candidates and store the total cluster charge in qTotal array
1220 // in case of not hit store 0 there.
1221 for (adcch = 0; adcch < fgkNADC-2; adcch++) {
1222 if ( ( (adcMask >> adcch) & 7) == 7) //??? all 3 channels are present in case of ZS
1224 adcLeft = fADCF[adcch ][timebin];
1225 adcCentral = fADCF[adcch+1][timebin];
1226 adcRight = fADCF[adcch+2][timebin];
1227 if (fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPVBY) == 1)
1228 hitQual = ( (adcLeft * adcRight) <
1229 (fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPVT) * adcCentral) );
1232 // The accumulated charge is with the pedestal!!!
1233 qtotTemp = adcLeft + adcCentral + adcRight;
1235 (qtotTemp >= fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPHT)) &&
1236 (adcLeft <= adcCentral) &&
1237 (adcCentral > adcRight) )
1238 qTotal[adcch] = qtotTemp;
1243 qTotal[adcch] = 0; //jkl
1244 if (qTotal[adcch] != 0)
1245 AliDebug(10,Form("ch %2d qTotal %5d",adcch, qTotal[adcch]));
1251 marked[4] = 19; // invalid channel
1252 marked[5] = 19; // invalid channel
1254 while ((adcch < 16) && (found < 3))
1256 if (qTotal[adcch] > 0)
1259 marked[2*found+1]=adcch;
1268 while ((adcch > 2) && (found < 3))
1270 if (qTotal[adcch] > 0)
1272 marked[2*found]=adcch;
1279 AliDebug(10,Form("Fromleft=%d, Fromright=%d",fromLeft, fromRight));
1280 // here mask the hit candidates in the middle, if any
1281 if ((fromLeft >= 0) && (fromRight >= 0) && (fromLeft < fromRight))
1282 for (adcch = fromLeft+1; adcch < fromRight; adcch++)
1286 for (adcch = 0; adcch < 19; adcch++)
1287 if (qTotal[adcch] > 0) found++;
1290 if (found > 4) // sorting like in the TRAP in case of 5 or 6 candidates!
1292 if (marked[4] == marked[5]) marked[5] = 19;
1293 for (found=0; found<6; found++)
1295 qMarked[found] = qTotal[marked[found]] >> 4;
1296 AliDebug(10,Form("ch_%d qTotal %d qTotals %d",marked[found],qTotal[marked[found]],qMarked[found]));
1299 Sort6To2Worst(marked[0], marked[3], marked[4], marked[1], marked[2], marked[5],
1307 // Now mask the two channels with the smallest charge
1311 AliDebug(10,Form("Kill ch %d\n",worse1));
1316 AliDebug(10,Form("Kill ch %d\n",worse2));
1320 for (adcch = 0; adcch < 19; adcch++) {
1321 if (qTotal[adcch] > 0) // the channel is marked for processing
1323 adcLeft = fADCF[adcch ][timebin];
1324 adcCentral = fADCF[adcch+1][timebin];
1325 adcRight = fADCF[adcch+2][timebin];
1326 // hit detected, in TRAP we have 4 units and a hit-selection, here we proceed all channels!
1327 // subtract the pedestal TPFP, clipping instead of wrapping
1329 Int_t regTPFP = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPFP);
1330 AliDebug(10, Form("Hit found, time=%d, adcch=%d/%d/%d, adc values=%d/%d/%d, regTPFP=%d, TPHT=%d\n",
1331 timebin, adcch, adcch+1, adcch+2, adcLeft, adcCentral, adcRight, regTPFP,
1332 fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPHT)));
1334 if (adcLeft < regTPFP) adcLeft = 0; else adcLeft -= regTPFP;
1335 if (adcCentral < regTPFP) adcCentral = 0; else adcCentral -= regTPFP;
1336 if (adcRight < regTPFP) adcRight = 0; else adcRight -= regTPFP;
1338 // Calculate the center of gravity
1339 // checking for adcCentral != 0 (in case of "bad" configuration)
1340 if (adcCentral == 0)
1342 ypos = 128*(adcLeft - adcRight) / adcCentral;
1343 if (ypos < 0) ypos = -ypos;
1344 // make the correction using the position LUT
1345 ypos = ypos + fTrapConfig->GetTrapReg((AliTRDtrapConfig::TrapReg_t) (AliTRDtrapConfig::kTPL00 + (ypos & 0x7F)));
1346 if (adcLeft > adcRight) ypos = -ypos;
1348 // label calculation
1350 if (fDigitsManager) {
1351 Int_t label[9] = { 0 }; // up to 9 different labels possible
1352 Int_t count[9] = { 0 };
1357 padcol[0] = fFeeParam->GetPadColFromADC(fRobPos, fMcmPos, adcch);
1358 padcol[1] = fFeeParam->GetPadColFromADC(fRobPos, fMcmPos, adcch+1);
1359 padcol[2] = fFeeParam->GetPadColFromADC(fRobPos, fMcmPos, adcch+2);
1360 Int_t padrow = fFeeParam->GetPadRowFromMCM(fRobPos, fMcmPos);
1361 for (Int_t iDict = 0; iDict < 3; iDict++) {
1364 for (Int_t iPad = 0; iPad < 3; iPad++) {
1365 if (padcol[iPad] < 0)
1367 Int_t currLabel = fDict[iDict]->GetData(padrow, padcol[iPad], timebin); //fDigitsManager->GetTrack(iDict, padrow, padcol, timebin, fDetector);
1368 AliDebug(10, Form("Read label: %4i for det: %3i, row: %i, col: %i, tb: %i\n", currLabel, fDetector, padrow, padcol[iPad], timebin));
1369 for (Int_t iLabel = 0; iLabel < nLabels; iLabel++) {
1370 if (currLabel == label[iLabel]) {
1372 if (count[iLabel] > maxCount) {
1373 maxCount = count[iLabel];
1380 if (currLabel >= 0) {
1381 label[nLabels++] = currLabel;
1386 mcLabel = label[maxIdx];
1389 // add the hit to the fitregister
1390 AddHitToFitreg(adcch, timebin, qTotal[adcch], ypos, mcLabel);
1395 for (Int_t iAdc = 0; iAdc < fgkNADC; iAdc++) {
1396 if (fFitReg[iAdc].fNhits != 0) {
1397 AliDebug(2, Form("fitreg[%i]: nHits = %i, sumX = %i, sumY = %i, sumX2 = %i, sumY2 = %i, sumXY = %i", iAdc,
1398 fFitReg[iAdc].fNhits,
1399 fFitReg[iAdc].fSumX,
1400 fFitReg[iAdc].fSumY,
1401 fFitReg[iAdc].fSumX2,
1402 fFitReg[iAdc].fSumY2,
1403 fFitReg[iAdc].fSumXY
1409 void AliTRDmcmSim::TrackletSelection()
1411 // Select up to 4 tracklet candidates from the fit registers
1412 // and assign them to the CPUs.
1414 UShort_t adcIdx, i, j, ntracks, tmp;
1415 UShort_t trackletCand[18][2]; // store the adcch[0] and number of hits[1] for all tracklet candidates
1418 for (adcIdx = 0; adcIdx < 18; adcIdx++) // ADCs
1419 if ( (fFitReg[adcIdx].fNhits
1420 >= fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPCL)) &&
1421 (fFitReg[adcIdx].fNhits+fFitReg[adcIdx+1].fNhits
1422 >= fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPCT)))
1424 trackletCand[ntracks][0] = adcIdx;
1425 trackletCand[ntracks][1] = fFitReg[adcIdx].fNhits+fFitReg[adcIdx+1].fNhits;
1426 AliDebug(10,Form("%d %2d %4d\n", ntracks, trackletCand[ntracks][0], trackletCand[ntracks][1]));
1430 for (i=0; i<ntracks;i++)
1431 AliDebug(10,Form("%d %d %d\n",i,trackletCand[i][0], trackletCand[i][1]));
1435 // primitive sorting according to the number of hits
1436 for (j = 0; j < (ntracks-1); j++)
1438 for (i = j+1; i < ntracks; i++)
1440 if ( (trackletCand[j][1] < trackletCand[i][1]) ||
1441 ( (trackletCand[j][1] == trackletCand[i][1]) && (trackletCand[j][0] < trackletCand[i][0]) ) )
1444 tmp = trackletCand[j][1];
1445 trackletCand[j][1] = trackletCand[i][1];
1446 trackletCand[i][1] = tmp;
1447 tmp = trackletCand[j][0];
1448 trackletCand[j][0] = trackletCand[i][0];
1449 trackletCand[i][0] = tmp;
1453 ntracks = 4; // cut the rest, 4 is the max
1455 // else is not necessary to sort
1457 // now sort, so that the first tracklet going to CPU0 corresponds to the highest adc channel - as in the TRAP
1458 for (j = 0; j < (ntracks-1); j++)
1460 for (i = j+1; i < ntracks; i++)
1462 if (trackletCand[j][0] < trackletCand[i][0])
1465 tmp = trackletCand[j][1];
1466 trackletCand[j][1] = trackletCand[i][1];
1467 trackletCand[i][1] = tmp;
1468 tmp = trackletCand[j][0];
1469 trackletCand[j][0] = trackletCand[i][0];
1470 trackletCand[i][0] = tmp;
1474 for (i = 0; i < ntracks; i++) // CPUs with tracklets.
1475 fFitPtr[i] = trackletCand[i][0]; // pointer to the left channel with tracklet for CPU[i]
1476 for (i = ntracks; i < 4; i++) // CPUs without tracklets
1477 fFitPtr[i] = 31; // pointer to the left channel with tracklet for CPU[i] = 31 (invalid)
1478 AliDebug(10,Form("found %i tracklet candidates\n", ntracks));
1479 for (i = 0; i < 4; i++)
1480 AliDebug(10,Form("fitPtr[%i]: %i\n", i, fFitPtr[i]));
1483 void AliTRDmcmSim::FitTracklet()
1485 // Perform the actual tracklet fit based on the fit sums
1486 // which have been filled in the fit registers.
1488 // parameters in fitred.asm (fit program)
1489 Int_t decPlaces = 5;
1492 rndAdd = (1 << (decPlaces-1)) + 1;
1493 else if (decPlaces == 1)
1495 Int_t ndriftDp = 5; // decimal places for drift time
1496 Long64_t shift = ((Long64_t) 1 << 32);
1498 // calculated in fitred.asm
1499 Int_t padrow = ((fRobPos >> 1) << 2) | (fMcmPos >> 2);
1500 Int_t yoffs = (((((fRobPos & 0x1) << 2) + (fMcmPos & 0x3)) * 18) << 8) -
1501 ((18*4*2 - 18*2 - 1) << 7);
1502 yoffs = yoffs << decPlaces; // holds position of ADC channel 1
1503 Int_t layer = fDetector % 6;
1504 UInt_t scaleY = (UInt_t) ((0.635 + 0.03 * layer)/(256.0 * 160.0e-4) * shift);
1505 UInt_t scaleD = (UInt_t) ((0.635 + 0.03 * layer)/(256.0 * 140.0e-4) * shift);
1507 Int_t deflCorr = (Int_t) fTrapConfig->GetDmemUnsigned(AliTRDtrapConfig::fgkDmemAddrDeflCorr, fDetector, fRobPos, fMcmPos);
1508 Int_t ndrift = (Int_t) fTrapConfig->GetDmemUnsigned(AliTRDtrapConfig::fgkDmemAddrNdrift, fDetector, fRobPos, fMcmPos);
1510 // local variables for calculation
1511 Long64_t mult, temp, denom; //???
1512 UInt_t q0, q1, pid; // charges in the two windows and total charge
1513 UShort_t nHits; // number of hits
1514 Int_t slope, offset; // slope and offset of the tracklet
1515 Int_t sumX, sumY, sumXY, sumX2; // fit sums from fit registers
1516 Int_t sumY2; // not used in the current TRAP program, now used for error calculation (simulation only)
1517 Float_t fitError, fitSlope, fitOffset;
1518 FitReg_t *fit0, *fit1; // pointers to relevant fit registers
1520 // const uint32_t OneDivN[32] = { // 2**31/N : exactly like in the TRAP, the simple division here gives the same result!
1521 // 0x00000000, 0x80000000, 0x40000000, 0x2AAAAAA0, 0x20000000, 0x19999990, 0x15555550, 0x12492490,
1522 // 0x10000000, 0x0E38E380, 0x0CCCCCC0, 0x0BA2E8B0, 0x0AAAAAA0, 0x09D89D80, 0x09249240, 0x08888880,
1523 // 0x08000000, 0x07878780, 0x071C71C0, 0x06BCA1A0, 0x06666660, 0x06186180, 0x05D17450, 0x0590B210,
1524 // 0x05555550, 0x051EB850, 0x04EC4EC0, 0x04BDA120, 0x04924920, 0x0469EE50, 0x04444440, 0x04210840};
1526 for (Int_t cpu = 0; cpu < 4; cpu++) {
1527 if (fFitPtr[cpu] == 31)
1529 fMCMT[cpu] = 0x10001000; //??? AliTRDfeeParam::GetTrackletEndmarker();
1533 fit0 = &fFitReg[fFitPtr[cpu] ];
1534 fit1 = &fFitReg[fFitPtr[cpu]+1]; // next channel
1537 mult = mult << (32 + decPlaces);
1541 nHits = fit0->fNhits + fit1->fNhits; // number of hits
1542 sumX = fit0->fSumX + fit1->fSumX;
1543 sumX2 = fit0->fSumX2 + fit1->fSumX2;
1544 denom = nHits*sumX2 - sumX*sumX;
1546 mult = mult / denom; // exactly like in the TRAP program
1547 q0 = fit0->fQ0 + fit1->fQ0;
1548 q1 = fit0->fQ1 + fit1->fQ1;
1549 sumY = fit0->fSumY + fit1->fSumY + 256*fit1->fNhits;
1550 sumXY = fit0->fSumXY + fit1->fSumXY + 256*fit1->fSumX;
1551 sumY2 = fit0->fSumY2 + fit1->fSumY2 + 512*fit1->fSumY + 256*256*fit1->fNhits;
1553 slope = nHits*sumXY - sumX * sumY;
1554 offset = sumX2*sumY - sumX * sumXY;
1555 temp = mult * slope;
1556 slope = temp >> 32; // take the upper 32 bits
1558 temp = mult * offset;
1559 offset = temp >> 32; // take the upper 32 bits
1561 offset = offset + yoffs;
1562 AliDebug(10, Form("slope = %i, slope * ndrift = %i, deflCorr: %i",
1563 slope, slope * ndrift, deflCorr));
1564 slope = ((slope * ndrift) >> ndriftDp) + deflCorr;
1565 offset = offset - (fFitPtr[cpu] << (8 + decPlaces));
1568 temp = temp * scaleD;
1569 slope = (temp >> 32);
1571 temp = temp * scaleY;
1572 offset = (temp >> 32);
1574 // rounding, like in the TRAP
1575 slope = (slope + rndAdd) >> decPlaces;
1576 offset = (offset + rndAdd) >> decPlaces;
1578 AliDebug(5, Form("Det: %3i, ROB: %i, MCM: %2i: deflection: %i, min: %i, max: %i",
1579 fDetector, fRobPos, fMcmPos, slope,
1580 (Int_t) fTrapConfig->GetDmemUnsigned(AliTRDtrapConfig::fgkDmemAddrDeflCutStart + 2*fFitPtr[cpu], fDetector, fRobPos, fMcmPos),
1581 (Int_t) fTrapConfig->GetDmemUnsigned(AliTRDtrapConfig::fgkDmemAddrDeflCutStart + 1 + 2*fFitPtr[cpu], fDetector, fRobPos, fMcmPos)));
1583 AliDebug(5, Form("Fit sums: x = %i, X = %i, y = %i, Y = %i, Z = %i",
1584 sumX, sumX2, sumY, sumY2, sumXY));
1586 fitSlope = (Float_t) (nHits * sumXY - sumX * sumY) / (nHits * sumX2 - sumX*sumX);
1588 fitOffset = (Float_t) (sumX2 * sumY - sumX * sumXY) / (nHits * sumX2 - sumX*sumX);
1590 Float_t sx = (Float_t) sumX;
1591 Float_t sx2 = (Float_t) sumX2;
1592 Float_t sy = (Float_t) sumY;
1593 Float_t sy2 = (Float_t) sumY2;
1594 Float_t sxy = (Float_t) sumXY;
1595 fitError = sy2 - (sx2 * sy*sy - 2 * sx * sxy * sy + nHits * sxy*sxy) / (nHits * sx2 - sx*sx);
1596 //fitError = (Float_t) sumY2 - (Float_t) (sumY*sumY) / nHits - fitSlope * ((Float_t) (sumXY - sumX*sumY) / nHits);
1598 Bool_t rejected = kFALSE;
1599 // deflection range table from DMEM
1600 if ((slope < ((Int_t) fTrapConfig->GetDmemUnsigned(AliTRDtrapConfig::fgkDmemAddrDeflCutStart + 2*fFitPtr[cpu], fDetector, fRobPos, fMcmPos))) ||
1601 (slope > ((Int_t) fTrapConfig->GetDmemUnsigned(AliTRDtrapConfig::fgkDmemAddrDeflCutStart + 1 + 2*fFitPtr[cpu], fDetector, fRobPos, fMcmPos))))
1604 if (rejected && GetApplyCut())
1606 fMCMT[cpu] = 0x10001000; //??? AliTRDfeeParam::GetTrackletEndmarker();
1610 if (slope > 63 || slope < -64) { // wrapping in TRAP!
1611 AliError(Form("Overflow in slope: %i, tracklet discarded!", slope));
1612 fMCMT[cpu] = 0x10001000;
1616 slope = slope & 0x7F; // 7 bit
1618 if (offset > 0xfff || offset < -0xfff)
1619 AliWarning("Overflow in offset");
1620 offset = offset & 0x1FFF; // 13 bit
1622 pid = GetPID(q0 >> fgkAddDigits, q1 >> fgkAddDigits); // divided by 4 because in simulation there are two additional decimal places
1625 AliWarning("Overflow in PID");
1626 pid = pid & 0xFF; // 8 bit, exactly like in the TRAP program
1628 // assemble and store the tracklet word
1629 fMCMT[cpu] = (pid << 24) | (padrow << 20) | (slope << 13) | offset;
1631 // calculate MC label
1635 if (fDigitsManager) {
1636 Int_t label[30] = {0}; // up to 30 different labels possible
1637 Int_t count[30] = {0};
1641 for (Int_t iHit = 0; iHit < fNHits; iHit++) {
1642 if ((fHits[iHit].fChannel - fFitPtr[cpu] < 0) ||
1643 (fHits[iHit].fChannel - fFitPtr[cpu] > 1))
1646 // counting contributing hits
1647 if (fHits[iHit].fTimebin >= fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPQS0) &&
1648 fHits[iHit].fTimebin < fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPQE0))
1650 if (fHits[iHit].fTimebin >= fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPQS1) &&
1651 fHits[iHit].fTimebin < fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPQE1))
1654 Int_t currLabel = fHits[iHit].fLabel;
1655 for (Int_t iLabel = 0; iLabel < nLabels; iLabel++) {
1656 if (currLabel == label[iLabel]) {
1658 if (count[iLabel] > maxCount) {
1659 maxCount = count[iLabel];
1666 if (currLabel >= 0) {
1667 label[nLabels++] = currLabel;
1671 mcLabel = label[maxIdx];
1673 new ((*fTrackletArray)[fTrackletArray->GetEntriesFast()]) AliTRDtrackletMCM((UInt_t) fMCMT[cpu], fDetector*2 + fRobPos%2, fRobPos, fMcmPos);
1674 ((AliTRDtrackletMCM*) (*fTrackletArray)[fTrackletArray->GetEntriesFast()-1])->SetLabel(mcLabel);
1677 ((AliTRDtrackletMCM*) (*fTrackletArray)[fTrackletArray->GetEntriesFast()-1])->SetNHits(fit0->fNhits + fit1->fNhits);
1678 ((AliTRDtrackletMCM*) (*fTrackletArray)[fTrackletArray->GetEntriesFast()-1])->SetNHits0(nHits0);
1679 ((AliTRDtrackletMCM*) (*fTrackletArray)[fTrackletArray->GetEntriesFast()-1])->SetNHits1(nHits1);
1680 ((AliTRDtrackletMCM*) (*fTrackletArray)[fTrackletArray->GetEntriesFast()-1])->SetQ0(q0);
1681 ((AliTRDtrackletMCM*) (*fTrackletArray)[fTrackletArray->GetEntriesFast()-1])->SetQ1(q1);
1682 ((AliTRDtrackletMCM*) (*fTrackletArray)[fTrackletArray->GetEntriesFast()-1])->SetSlope(fitSlope);
1683 ((AliTRDtrackletMCM*) (*fTrackletArray)[fTrackletArray->GetEntriesFast()-1])->SetOffset(fitOffset);
1684 ((AliTRDtrackletMCM*) (*fTrackletArray)[fTrackletArray->GetEntriesFast()-1])->SetError(TMath::Sqrt(TMath::Abs(fitError)/nHits));
1686 // // cluster information
1687 // Float_t *res = new Float_t[nHits];
1688 // Float_t *qtot = new Float_t[nHits];
1690 // for (Int_t iHit = 0; iHit < fNHits; iHit++) {
1691 // // check if hit contributes
1692 // if (fHits[iHit].fChannel == fFitPtr[cpu]) {
1693 // res[nCls] = fHits[iHit].fYpos - (fitSlope * fHits[iHit].fTimebin + fitOffset);
1694 // qtot[nCls] = fHits[iHit].fQtot;
1697 // else if (fHits[iHit].fChannel == fFitPtr[cpu] + 1) {
1698 // res[nCls] = fHits[iHit].fYpos + 256 - (fitSlope * fHits[iHit].fTimebin + fitOffset);
1699 // qtot[nCls] = fHits[iHit].fQtot;
1703 // ((AliTRDtrackletMCM*) (*fTrackletArray)[fTrackletArray->GetEntriesFast()-1])->SetClusters(res, qtot, nCls);
1708 AliError(Form("Strange fit error: %f from Sx: %i, Sy: %i, Sxy: %i, Sx2: %i, Sy2: %i, nHits: %i",
1709 fitError, sumX, sumY, sumXY, sumX2, sumY2, nHits));
1710 AliDebug(3, Form("fit slope: %f, offset: %f, error: %f",
1711 fitSlope, fitOffset, TMath::Sqrt(TMath::Abs(fitError)/nHits)));
1717 void AliTRDmcmSim::Tracklet()
1719 // Run the tracklet calculation by calling sequentially:
1720 // CalcFitreg(); TrackletSelection(); FitTracklet()
1721 // and store the tracklets
1723 if (!fInitialized) {
1724 AliError("Called uninitialized! Nothing done!");
1728 fTrackletArray->Delete();
1733 TrackletSelection();
1737 Bool_t AliTRDmcmSim::StoreTracklets()
1739 // store the found tracklets via the loader
1741 if (fTrackletArray->GetEntriesFast() == 0)
1744 AliRunLoader *rl = AliRunLoader::Instance();
1745 AliDataLoader *dl = 0x0;
1747 dl = rl->GetLoader("TRDLoader")->GetDataLoader("tracklets");
1749 AliError("Could not get the tracklets data loader!");
1753 TTree *trackletTree = dl->Tree();
1754 if (!trackletTree) {
1756 trackletTree = dl->Tree();
1759 AliTRDtrackletMCM *trkl = 0x0;
1760 TBranch *trkbranch = trackletTree->GetBranch(fTrklBranchName.Data());
1762 trkbranch = trackletTree->Branch(fTrklBranchName.Data(), "AliTRDtrackletMCM", &trkl, 32000);
1764 for (Int_t iTracklet = 0; iTracklet < fTrackletArray->GetEntriesFast(); iTracklet++) {
1765 trkl = ((AliTRDtrackletMCM*) (*fTrackletArray)[iTracklet]);
1766 trkbranch->SetAddress(&trkl);
1773 void AliTRDmcmSim::WriteData(AliTRDarrayADC *digits)
1775 // write back the processed data configured by EBSF
1776 // EBSF = 1: unfiltered data; EBSF = 0: filtered data
1777 // zero-suppressed valued are written as -1 to digits
1779 if( !CheckInitialized() )
1782 Int_t offset = (fMcmPos % 4 + 1) * 21 + (fRobPos % 2) * 84 - 1;
1784 if (fTrapConfig->GetTrapReg(AliTRDtrapConfig::kEBSF) != 0) // store unfiltered data
1786 for (Int_t iAdc = 0; iAdc < fgkNADC; iAdc++) {
1787 if (~fZSMap[iAdc] == 0) {
1788 for (Int_t iTimeBin = 0; iTimeBin < fNTimeBin; iTimeBin++) {
1789 digits->SetDataByAdcCol(GetRow(), offset - iAdc, iTimeBin, -1);
1792 else if (iAdc < 2 || iAdc == 20) {
1793 for (Int_t iTimeBin = 0; iTimeBin < fNTimeBin; iTimeBin++) {
1794 digits->SetDataByAdcCol(GetRow(), offset - iAdc, iTimeBin, (fADCR[iAdc][iTimeBin] >> fgkAddDigits) - fgAddBaseline);
1800 for (Int_t iAdc = 0; iAdc < fgkNADC; iAdc++) {
1801 if (~fZSMap[iAdc] != 0) {
1802 for (Int_t iTimeBin = 0; iTimeBin < fNTimeBin; iTimeBin++) {
1803 digits->SetDataByAdcCol(GetRow(), offset - iAdc, iTimeBin, (fADCF[iAdc][iTimeBin] >> fgkAddDigits) - fgAddBaseline);
1807 for (Int_t iTimeBin = 0; iTimeBin < fNTimeBin; iTimeBin++) {
1808 digits->SetDataByAdcCol(GetRow(), offset - iAdc, iTimeBin, -1);
1816 // ******************************
1819 // Memory area for the LUT: 0xC100 to 0xC3FF
1821 // The addresses for the parameters (the order is optimized for maximum calculation speed in the MCMs):
1823 // 0xC029: nBins(sF)
1825 // 0xC02B: TableLength
1826 // Defined in AliTRDtrapConfig.h
1828 // The algorithm implemented in the TRAP program of the MCMs (Venelin Angelov)
1829 // 1) set the read pointer to the beginning of the Parameters in DMEM
1830 // 2) shift right the FitReg with the Q0 + (Q1 << 16) to get Q1
1831 // 3) read cor1 with rpointer++
1833 // 5) read nBins with rpointer++
1834 // 6) start nBins*cor1*Q1
1835 // 7) read cor0 with rpointer++
1836 // 8) swap hi-low parts in FitReg, now is Q1 + (Q0 << 16)
1837 // 9) shift right to get Q0
1838 // 10) start cor0*Q0
1839 // 11) read TableLength
1840 // 12) compare cor0*Q0 with nBins
1841 // 13) if >=, clip cor0*Q0 to nBins-1
1842 // 14) add cor0*Q0 to nBins*cor1*Q1
1843 // 15) compare the result with TableLength
1844 // 16) if >=, clip to TableLength-1
1845 // 17) read from the LUT 8 bits
1848 Int_t AliTRDmcmSim::GetPID(Int_t q0, Int_t q1)
1850 // return PID calculated from charges accumulated in two time windows
1855 UInt_t nBinsQ0 = fTrapConfig->GetDmemUnsigned(AliTRDtrapConfig::fgkDmemAddrLUTnbins); // number of bins in q0 / 4 !!
1856 UInt_t pidTotalSize = fTrapConfig->GetDmemUnsigned(AliTRDtrapConfig::fgkDmemAddrLUTLength);
1858 ULong_t corrQ0 = fTrapConfig->GetDmemUnsigned(AliTRDtrapConfig::fgkDmemAddrLUTcor0, fDetector, fRobPos, fMcmPos);
1859 ULong_t corrQ1 = fTrapConfig->GetDmemUnsigned(AliTRDtrapConfig::fgkDmemAddrLUTcor1, fDetector, fRobPos, fMcmPos);
1862 addrQ0 = (((addrQ0*q0)>>16)>>16); // because addrQ0 = (q0 * corrQ0) >> 32; does not work for unknown reasons
1863 // std::cout << "addrQ0: " << addrQ0 << ", q0: " << q0 << ", corrQ0: " << corrQ0 << std::endl;
1865 if(addrQ0 >= nBinsQ0) { // check for overflow
1866 AliDebug(5,Form("Overflow in q0: %i/4 is bigger then %i", addrQ0, nBinsQ0));
1867 addrQ0 = nBinsQ0 -1;
1871 addr = (((addr*q1)>>16)>>16);
1872 addr = addrQ0 + nBinsQ0*addr; // because addr = addrQ0 + nBinsQ0* (((corrQ1*q1)>>32); does not work
1873 // std::cout << "addr: " << addr << ", q1: " << q1 << ", corrQ1: " << corrQ1 << std::endl;
1875 if(addr >= pidTotalSize) {
1876 AliDebug(5,Form("Overflow in q1. Address %i/4 is bigger then %i", addr, pidTotalSize));
1877 addr = pidTotalSize -1;
1880 // For a LUT with 11 input and 8 output bits, the first memory address is set to LUT[0] | (LUT[1] << 8) | (LUT[2] << 16) | (LUT[3] << 24)
1882 UInt_t result = fTrapConfig->GetDmemUnsigned(AliTRDtrapConfig::fgkDmemAddrLUTStart+(addr/4));
1883 return (result>>((addr%4)*8)) & 0xFF;
1888 void AliTRDmcmSim::SetPIDLut(TH2F * const lut)
1890 // set a user-defined PID LUT from a 2D histogram
1892 UInt_t nBinsQ0 = lut->GetNbinsX();
1893 UInt_t nBinsQ1 = lut->GetNbinsY();
1895 Double_t scaleQ0 = lut->GetNbinsX() / lut->GetXaxis()->GetXmax();
1896 Double_t scaleQ1 = lut->GetNbinsY() / lut->GetYaxis()->GetXmax();
1897 fTrapConfig->SetPIDscale(scaleQ0, scaleQ1);
1898 SetPIDLutScaleDMEM();
1900 UInt_t fPIDsizeX = 0;
1902 fPIDsizeX=nBinsQ0/4;
1904 fPIDsizeX = (nBinsQ0/4)+1;
1906 fTrapConfig->SetDmem(AliTRDtrapConfig::fgkDmemAddrLUTnbins, nBinsQ0); // number of bins in q0
1907 fTrapConfig->SetDmem(AliTRDtrapConfig::fgkDmemAddrLUTLength, nBinsQ0*nBinsQ1); // total size of the table in BYTES (does work because each bin is 8 bit wide)
1911 if(nBinsQ0*nBinsQ1/4 < AliTRDtrapConfig::fgkDmemAddrLUTEnd - AliTRDtrapConfig::fgkDmemAddrLUTStart) { // /4 because each memory address contains 4 LUT entries
1912 for (UInt_t iy = 0; iy < nBinsQ1; iy++) {
1913 for (UInt_t ix = 0; ix < fPIDsizeX; ix++) {
1915 for(UInt_t isub=0; isub<4; isub++) {
1916 if(ix*4+isub<nBinsQ0) {
1917 buffer |= ((Int_t) (255. * lut->GetBinContent(ix*4+isub +1, iy +1))) << isub*8 ;
1918 //AliDebug(10, Form("x: %d, y: %d -- %d, %d \n", ix*4+isub, iy, lut->GetBinContent(ix*4+isub, iy), ((Int_t) (255. * lut->GetBinContent(ix*4+isub +1, iy +1)))));
1921 buffer |= 0<<isub*8;
1923 dmemAddr = AliTRDtrapConfig::fgkDmemAddrLUTStart+ix+(iy*fPIDsizeX);
1924 if(dmemAddr >= AliTRDtrapConfig::fgkDmemAddrLUTEnd) {
1925 AliError("LUT table size is too big!");
1928 // AliDebug(8,Form("x: %d, y: %d is memory address %d, setting to %d \n", ix, iy, dmemAddr, buffer));
1929 fTrapConfig->SetDmem(AliTRDtrapConfig::fgkDmemAddrLUTStart+ix+(iy*fPIDsizeX), buffer);
1935 AliError("LUT table is too big!");
1940 void AliTRDmcmSim::SetPIDLutScaleDMEM()
1942 // set scale factor for PID in DMEM
1945 fTrapConfig->GetPIDscale(scaleQ);
1947 ULong64_t scale = 1;
1950 fTrapConfig->SetDmem(AliTRDtrapConfig::fgkDmemAddrLUTcor0, TMath::Nint(scale*scaleQ[0]));
1951 fTrapConfig->SetDmem(AliTRDtrapConfig::fgkDmemAddrLUTcor1, TMath::Nint(scale*scaleQ[1]));
1955 void AliTRDmcmSim::SetPIDLut(Int_t* /* lut */, Int_t /* nbinsq0 */, Int_t /* nbinsq1 */)
1963 // help functions, to be cleaned up
1965 UInt_t AliTRDmcmSim::AddUintClipping(UInt_t a, UInt_t b, UInt_t nbits) const
1968 // This function adds a and b (unsigned) and clips to
1969 // the specified number of bits.
1975 UInt_t maxv = (1 << nbits) - 1;;
1981 if ((sum < a) || (sum < b))
1987 void AliTRDmcmSim::Sort2(UShort_t idx1i, UShort_t idx2i, \
1988 UShort_t val1i, UShort_t val2i, \
1989 UShort_t * const idx1o, UShort_t * const idx2o, \
1990 UShort_t * const val1o, UShort_t * const val2o) const
1992 // sorting for tracklet selection
2010 void AliTRDmcmSim::Sort3(UShort_t idx1i, UShort_t idx2i, UShort_t idx3i, \
2011 UShort_t val1i, UShort_t val2i, UShort_t val3i, \
2012 UShort_t * const idx1o, UShort_t * const idx2o, UShort_t * const idx3o, \
2013 UShort_t * const val1o, UShort_t * const val2o, UShort_t * const val3o)
2015 // sorting for tracklet selection
2020 if (val1i > val2i) sel=4; else sel=0;
2021 if (val2i > val3i) sel=sel + 2;
2022 if (val3i > val1i) sel=sel + 1;
2025 case 6 : // 1 > 2 > 3 => 1 2 3
2026 case 0 : // 1 = 2 = 3 => 1 2 3 : in this case doesn't matter, but so is in hardware!
2035 case 4 : // 1 > 2, 2 <= 3, 3 <= 1 => 1 3 2
2044 case 2 : // 1 <= 2, 2 > 3, 3 <= 1 => 2 1 3
2053 case 3 : // 1 <= 2, 2 > 3, 3 > 1 => 2 3 1
2062 case 1 : // 1 <= 2, 2 <= 3, 3 > 1 => 3 2 1
2071 case 5 : // 1 > 2, 2 <= 3, 3 > 1 => 3 1 2
2080 default: // the rest should NEVER happen!
2081 AliError("ERROR in Sort3!!!\n");
2086 void AliTRDmcmSim::Sort6To4(UShort_t idx1i, UShort_t idx2i, UShort_t idx3i, UShort_t idx4i, UShort_t idx5i, UShort_t idx6i, \
2087 UShort_t val1i, UShort_t val2i, UShort_t val3i, UShort_t val4i, UShort_t val5i, UShort_t val6i, \
2088 UShort_t * const idx1o, UShort_t * const idx2o, UShort_t * const idx3o, UShort_t * const idx4o, \
2089 UShort_t * const val1o, UShort_t * const val2o, UShort_t * const val3o, UShort_t * const val4o)
2091 // sorting for tracklet selection
2093 UShort_t idx21s, idx22s, idx23s, dummy;
2094 UShort_t val21s, val22s, val23s;
2095 UShort_t idx23as, idx23bs;
2096 UShort_t val23as, val23bs;
2098 Sort3(idx1i, idx2i, idx3i, val1i, val2i, val3i,
2099 idx1o, &idx21s, &idx23as,
2100 val1o, &val21s, &val23as);
2102 Sort3(idx4i, idx5i, idx6i, val4i, val5i, val6i,
2103 idx2o, &idx22s, &idx23bs,
2104 val2o, &val22s, &val23bs);
2106 Sort2(idx23as, idx23bs, val23as, val23bs, &idx23s, &dummy, &val23s, &dummy);
2108 Sort3(idx21s, idx22s, idx23s, val21s, val22s, val23s,
2109 idx3o, idx4o, &dummy,
2110 val3o, val4o, &dummy);
2114 void AliTRDmcmSim::Sort6To2Worst(UShort_t idx1i, UShort_t idx2i, UShort_t idx3i, UShort_t idx4i, UShort_t idx5i, UShort_t idx6i, \
2115 UShort_t val1i, UShort_t val2i, UShort_t val3i, UShort_t val4i, UShort_t val5i, UShort_t val6i, \
2116 UShort_t * const idx5o, UShort_t * const idx6o)
2118 // sorting for tracklet selection
2120 UShort_t idx21s, idx22s, idx23s, dummy1, dummy2, dummy3, dummy4, dummy5;
2121 UShort_t val21s, val22s, val23s;
2122 UShort_t idx23as, idx23bs;
2123 UShort_t val23as, val23bs;
2125 Sort3(idx1i, idx2i, idx3i, val1i, val2i, val3i,
2126 &dummy1, &idx21s, &idx23as,
2127 &dummy2, &val21s, &val23as);
2129 Sort3(idx4i, idx5i, idx6i, val4i, val5i, val6i,
2130 &dummy1, &idx22s, &idx23bs,
2131 &dummy2, &val22s, &val23bs);
2133 Sort2(idx23as, idx23bs, val23as, val23bs, &idx23s, idx5o, &val23s, &dummy1);
2135 Sort3(idx21s, idx22s, idx23s, val21s, val22s, val23s,
2136 &dummy1, &dummy2, idx6o,
2137 &dummy3, &dummy4, &dummy5);
2141 // ----- I/O implementation -----
2143 ostream& AliTRDmcmSim::Text(ostream& os)
2145 // manipulator to activate output in text format (default)
2147 os.iword(fgkFormatIndex) = 0;
2151 ostream& AliTRDmcmSim::Cfdat(ostream& os)
2153 // manipulator to activate output in CFDAT format
2154 // to send to the FEE via SCSN
2156 os.iword(fgkFormatIndex) = 1;
2160 ostream& AliTRDmcmSim::Raw(ostream& os)
2162 // manipulator to activate output as raw data dump
2164 os.iword(fgkFormatIndex) = 2;
2168 ostream& operator<<(ostream& os, const AliTRDmcmSim& mcm)
2170 // output implementation
2172 // no output for non-initialized MCM
2173 if (!mcm.CheckInitialized())
2176 // ----- human-readable output -----
2177 if (os.iword(AliTRDmcmSim::fgkFormatIndex) == 0) {
2179 os << "MCM " << mcm.fMcmPos << " on ROB " << mcm.fRobPos <<
2180 " in detector " << mcm.fDetector << std::endl;
2182 os << "----- Unfiltered ADC data (10 bit) -----" << std::endl;
2184 for (Int_t iChannel = 0; iChannel < mcm.fgkNADC; iChannel++)
2185 os << std::setw(5) << iChannel;
2187 for (Int_t iTimeBin = 0; iTimeBin < mcm.fNTimeBin; iTimeBin++) {
2188 os << "tb " << std::setw(2) << iTimeBin << ":";
2189 for (Int_t iChannel = 0; iChannel < mcm.fgkNADC; iChannel++) {
2190 os << std::setw(5) << (mcm.fADCR[iChannel][iTimeBin] >> mcm.fgkAddDigits);
2195 os << "----- Filtered ADC data (10+2 bit) -----" << std::endl;
2197 for (Int_t iChannel = 0; iChannel < mcm.fgkNADC; iChannel++)
2198 os << std::setw(4) << iChannel
2199 << ((~mcm.fZSMap[iChannel] != 0) ? "!" : " ");
2201 for (Int_t iTimeBin = 0; iTimeBin < mcm.fNTimeBin; iTimeBin++) {
2202 os << "tb " << std::setw(2) << iTimeBin << ":";
2203 for (Int_t iChannel = 0; iChannel < mcm.fgkNADC; iChannel++) {
2204 os << std::setw(4) << (mcm.fADCF[iChannel][iTimeBin])
2205 << (((mcm.fZSMap[iChannel] & (1 << iTimeBin)) == 0) ? "!" : " ");
2211 // ----- CFDAT output -----
2212 else if(os.iword(AliTRDmcmSim::fgkFormatIndex) == 1) {
2214 Int_t addrOffset = 0x2000;
2215 Int_t addrStep = 0x80;
2217 for (Int_t iTimeBin = 0; iTimeBin < mcm.fNTimeBin; iTimeBin++) {
2218 for (Int_t iChannel = 0; iChannel < mcm.fgkNADC; iChannel++) {
2219 os << std::setw(5) << 10
2220 << std::setw(5) << addrOffset + iChannel * addrStep + iTimeBin
2221 << std::setw(5) << (mcm.fADCF[iChannel][iTimeBin])
2222 << std::setw(5) << dest << std::endl;
2228 // ----- raw data ouptut -----
2229 else if (os.iword(AliTRDmcmSim::fgkFormatIndex) == 2) {
2230 Int_t bufSize = 300;
2231 UInt_t *buf = new UInt_t[bufSize];
2233 Int_t bufLength = mcm.ProduceRawStream(&buf[0], bufSize);
2235 for (Int_t i = 0; i < bufLength; i++)
2236 std::cout << "0x" << std::hex << buf[i] << std::endl;
2242 os << "unknown format set" << std::endl;
2249 void AliTRDmcmSim::PrintFitRegXml(ostream& os) const
2251 // print fit registres in XML format
2253 bool tracklet=false;
2255 for (Int_t cpu = 0; cpu < 4; cpu++) {
2256 if(fFitPtr[cpu] != 31)
2260 if(tracklet==true) {
2261 os << "<nginject>" << std::endl;
2262 os << "<ack roc=\""<< fDetector << "\" cmndid=\"0\">" << std::endl;
2263 os << "<dmem-readout>" << std::endl;
2264 os << "<d det=\"" << fDetector << "\">" << std::endl;
2265 os << " <ro-board rob=\"" << fRobPos << "\">" << std::endl;
2266 os << " <m mcm=\"" << fMcmPos << "\">" << std::endl;
2268 for(int cpu=0; cpu<4; cpu++) {
2269 os << " <c cpu=\"" << cpu << "\">" << std::endl;
2270 if(fFitPtr[cpu] != 31) {
2271 for(int adcch=fFitPtr[cpu]; adcch<fFitPtr[cpu]+2; adcch++) {
2272 os << " <ch chnr=\">" << adcch << "\">"<< std::endl;
2273 os << " <hits>" << fFitReg[adcch].fNhits << "</hits>"<< std::endl;
2274 os << " <q0>" << fFitReg[adcch].fQ0/4 << "</q0>"<< std::endl; // divided by 4 because in simulation we have 2 additional decimal places
2275 os << " <q1>" << fFitReg[adcch].fQ1/4 << "</q1>"<< std::endl; // in the output
2276 os << " <sumx>" << fFitReg[adcch].fSumX << "</sumx>"<< std::endl;
2277 os << " <sumxsq>" << fFitReg[adcch].fSumX2 << "</sumxsq>"<< std::endl;
2278 os << " <sumy>" << fFitReg[adcch].fSumY << "</sumy>"<< std::endl;
2279 os << " <sumysq>" << fFitReg[adcch].fSumY2 << "</sumysq>"<< std::endl;
2280 os << " <sumxy>" << fFitReg[adcch].fSumXY << "</sumxy>"<< std::endl;
2281 os << " </ch>" << std::endl;
2284 os << " </c>" << std::endl;
2286 os << " </m>" << std::endl;
2287 os << " </ro-board>" << std::endl;
2288 os << "</d>" << std::endl;
2289 os << "</dmem-readout>" << std::endl;
2290 os << "</ack>" << std::endl;
2291 os << "</nginject>" << std::endl;
2296 void AliTRDmcmSim::PrintTrackletsXml(ostream& os) const
2298 // print tracklets in XML format
2300 os << "<nginject>" << std::endl;
2301 os << "<ack roc=\""<< fDetector << "\" cmndid=\"0\">" << std::endl;
2302 os << "<dmem-readout>" << std::endl;
2303 os << "<d det=\"" << fDetector << "\">" << std::endl;
2304 os << " <ro-board rob=\"" << fRobPos << "\">" << std::endl;
2305 os << " <m mcm=\"" << fMcmPos << "\">" << std::endl;
2307 Int_t pid, padrow, slope, offset;
2308 for(Int_t cpu=0; cpu<4; cpu++) {
2309 if(fMCMT[cpu] == 0x10001000) {
2316 pid = (fMCMT[cpu] & 0xFF000000) >> 24;
2317 padrow = (fMCMT[cpu] & 0xF00000 ) >> 20;
2318 slope = (fMCMT[cpu] & 0xFE000 ) >> 13;
2319 offset = (fMCMT[cpu] & 0x1FFF ) ;
2322 os << " <trk> <pid>" << pid << "</pid>" << " <padrow>" << padrow << "</padrow>"
2323 << " <slope>" << slope << "</slope>" << " <offset>" << offset << "</offset>" << std::endl;
2326 os << " </m>" << std::endl;
2327 os << " </ro-board>" << std::endl;
2328 os << "</d>" << std::endl;
2329 os << "</dmem-readout>" << std::endl;
2330 os << "</ack>" << std::endl;
2331 os << "</nginject>" << std::endl;
2335 void AliTRDmcmSim::PrintAdcDatHuman(ostream& os) const
2337 // print ADC data in human-readable format
2339 os << "MCM " << fMcmPos << " on ROB " << fRobPos <<
2340 " in detector " << fDetector << std::endl;
2342 os << "----- Unfiltered ADC data (10 bit) -----" << std::endl;
2344 for (Int_t iChannel = 0; iChannel < fgkNADC; iChannel++)
2345 os << std::setw(5) << iChannel;
2347 for (Int_t iTimeBin = 0; iTimeBin < fNTimeBin; iTimeBin++) {
2348 os << "tb " << std::setw(2) << iTimeBin << ":";
2349 for (Int_t iChannel = 0; iChannel < fgkNADC; iChannel++) {
2350 os << std::setw(5) << (fADCR[iChannel][iTimeBin] >> fgkAddDigits);
2355 os << "----- Filtered ADC data (10+2 bit) -----" << std::endl;
2357 for (Int_t iChannel = 0; iChannel < fgkNADC; iChannel++)
2358 os << std::setw(4) << iChannel
2359 << ((~fZSMap[iChannel] != 0) ? "!" : " ");
2361 for (Int_t iTimeBin = 0; iTimeBin < fNTimeBin; iTimeBin++) {
2362 os << "tb " << std::setw(2) << iTimeBin << ":";
2363 for (Int_t iChannel = 0; iChannel < fgkNADC; iChannel++) {
2364 os << std::setw(4) << (fADCF[iChannel][iTimeBin])
2365 << (((fZSMap[iChannel] & (1 << iTimeBin)) == 0) ? "!" : " ");
2372 void AliTRDmcmSim::PrintAdcDatXml(ostream& os) const
2374 // print ADC data in XML format
2376 os << "<nginject>" << std::endl;
2377 os << "<ack roc=\""<< fDetector << "\" cmndid=\"0\">" << std::endl;
2378 os << "<dmem-readout>" << std::endl;
2379 os << "<d det=\"" << fDetector << "\">" << std::endl;
2380 os << " <ro-board rob=\"" << fRobPos << "\">" << std::endl;
2381 os << " <m mcm=\"" << fMcmPos << "\">" << std::endl;
2383 for(Int_t iChannel = 0; iChannel < fgkNADC; iChannel++) {
2384 os << " <ch chnr=\"" << iChannel << "\">" << std::endl;
2385 for (Int_t iTimeBin = 0; iTimeBin < fNTimeBin; iTimeBin++) {
2386 os << "<tb>" << fADCF[iChannel][iTimeBin]/4 << "</tb>";
2388 os << " </ch>" << std::endl;
2391 os << " </m>" << std::endl;
2392 os << " </ro-board>" << std::endl;
2393 os << "</d>" << std::endl;
2394 os << "</dmem-readout>" << std::endl;
2395 os << "</ack>" << std::endl;
2396 os << "</nginject>" << std::endl;
2401 void AliTRDmcmSim::PrintAdcDatDatx(ostream& os, Bool_t broadcast) const
2403 // print ADC data in datx format (to send to FEE)
2405 fTrapConfig->PrintDatx(os, 2602, 1, 0, 127); // command to enable the ADC clock - necessary to write ADC values to MCM
2408 Int_t addrOffset = 0x2000;
2409 Int_t addrStep = 0x80;
2410 Int_t addrOffsetEBSIA = 0x20;
2412 for (Int_t iTimeBin = 0; iTimeBin < fNTimeBin; iTimeBin++) {
2413 for (Int_t iChannel = 0; iChannel < fgkNADC; iChannel++) {
2414 if(broadcast==kFALSE)
2415 fTrapConfig->PrintDatx(os, addrOffset+iChannel*addrStep+addrOffsetEBSIA+iTimeBin, (fADCF[iChannel][iTimeBin]/4), GetRobPos(), GetMcmPos());
2417 fTrapConfig->PrintDatx(os, addrOffset+iChannel*addrStep+addrOffsetEBSIA+iTimeBin, (fADCF[iChannel][iTimeBin]/4), 0, 127);
2424 void AliTRDmcmSim::PrintPidLutHuman()
2426 // print PID LUT in human readable format
2430 UInt_t addrEnd = AliTRDtrapConfig::fgkDmemAddrLUTStart + fTrapConfig->GetDmemUnsigned(AliTRDtrapConfig::fgkDmemAddrLUTLength)/4; // /4 because each addr contains 4 values
2431 UInt_t nBinsQ0 = fTrapConfig->GetDmemUnsigned(AliTRDtrapConfig::fgkDmemAddrLUTnbins);
2433 std::cout << "nBinsQ0: " << nBinsQ0 << std::endl;
2434 std::cout << "LUT table length: " << fTrapConfig->GetDmemUnsigned(AliTRDtrapConfig::fgkDmemAddrLUTLength)/4 << std::endl;
2436 for(UInt_t addr=AliTRDtrapConfig::fgkDmemAddrLUTStart; addr< addrEnd; addr++) {
2437 result = fTrapConfig->GetDmemUnsigned(addr);
2438 std::cout << addr << " # x: " << (addr-AliTRDtrapConfig::fgkDmemAddrLUTStart)%(nBinsQ0/4) << ", y: " <<(addr-AliTRDtrapConfig::fgkDmemAddrLUTStart)/nBinsQ0 << " # " <<((result>>0)&0xFF)/255.0
2439 << " | " << ((result>>8)&0xFF)/255.0
2440 << " | " << ((result>>16)&0xFF)/255.0 << " | " << ((result>>24)&0xFF)/255.0 << std::endl;
2445 void AliTRDmcmSim::PrintPidLutDatx(ostream& os) const
2447 // print PID LUT in datx format (to send to FEE)
2450 fTrapConfig->GetPIDscale(scaleQ);
2452 ULong64_t scale = 1;
2455 os << std::setw(5) << 27; // cmd
2456 os << std::setw(8) << 4; // scaleQ0
2457 os << std::setw(12) << TMath::Nint(scale*scaleQ[0]); // value
2458 os << std::setw(8) << 1 << std::endl; // destination
2460 os << std::setw(5) << 27; // cmd
2461 os << std::setw(8) << 5; // scaleQ1
2462 os << std::setw(12) << TMath::Nint(scale*scaleQ[1]); // value
2463 os << std::setw(8) << 1 << std::endl << std::endl; // destination
2465 fTrapConfig->PrintMemDatx(os, AliTRDtrapConfig::fgkDmemAddrLUTnbins);
2466 fTrapConfig->PrintMemDatx(os, AliTRDtrapConfig::fgkDmemAddrLUTLength);
2468 UInt_t addrStart = AliTRDtrapConfig::fgkDmemAddrLUTStart;
2469 UInt_t addrEnd = addrStart + (fTrapConfig->GetDmemUnsigned(AliTRDtrapConfig::fgkDmemAddrLUTLength)/4); // divided by 4 because each addr contains four values
2470 for(UInt_t addr=AliTRDtrapConfig::fgkDmemAddrLUTStart; addr< addrEnd; addr++) {
2471 fTrapConfig->PrintMemDatx(os, addr);