]>
Commit | Line | Data |
---|---|---|
dfd03fc3 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | ||
dfd03fc3 | 16 | /////////////////////////////////////////////////////////////////////////////// |
17 | // // | |
18 | // TRD MCM (Multi Chip Module) simulator // | |
b0a41e80 | 19 | // which simulated the TRAP processing after the AD-conversion // |
20 | // The relevant parameters (i.e. configuration registers of the TRAP // | |
21 | // configuration are taken from AliTRDtrapConfig. // | |
dfd03fc3 | 22 | // // |
23 | /////////////////////////////////////////////////////////////////////////////// | |
24 | ||
b0a41e80 | 25 | #include <fstream> // needed for raw data dump |
ecf39416 | 26 | |
1d93b218 | 27 | #include <TCanvas.h> |
b0a41e80 | 28 | #include <TH1F.h> |
29 | #include <TH2F.h> | |
30 | #include <TGraph.h> | |
31 | #include <TLine.h> | |
ecf39416 | 32 | #include <TMath.h> |
b0a41e80 | 33 | #include <TRandom.h> |
34 | #include <TClonesArray.h> | |
0c349049 | 35 | |
dfd03fc3 | 36 | #include "AliLog.h" |
b0a41e80 | 37 | #include "AliRun.h" |
38 | #include "AliRunLoader.h" | |
39 | #include "AliLoader.h" | |
40 | #include "AliTRDdigit.h" | |
0c349049 | 41 | |
dfd03fc3 | 42 | #include "AliTRDfeeParam.h" |
b0a41e80 | 43 | #include "AliTRDtrapConfig.h" |
ecf39416 | 44 | #include "AliTRDSimParam.h" |
dfd03fc3 | 45 | #include "AliTRDgeometry.h" |
ecf39416 | 46 | #include "AliTRDcalibDB.h" |
4cc89512 | 47 | #include "AliTRDdigitsManager.h" |
b65e5048 | 48 | #include "AliTRDarrayADC.h" |
1d93b218 | 49 | #include "AliTRDpadPlane.h" |
52c19022 | 50 | #include "AliTRDtrackletMCM.h" |
b0a41e80 | 51 | #include "AliTRDmcmSim.h" |
1d93b218 | 52 | |
dfd03fc3 | 53 | ClassImp(AliTRDmcmSim) |
54 | ||
55 | //_____________________________________________________________________________ | |
b0a41e80 | 56 | AliTRDmcmSim::AliTRDmcmSim() : TObject() |
dfd03fc3 | 57 | ,fInitialized(kFALSE) |
23200400 | 58 | ,fMaxTracklets(-1) |
b0a41e80 | 59 | ,fDetector(-1) |
6e5d4cb2 | 60 | ,fRobPos(-1) |
61 | ,fMcmPos(-1) | |
23200400 | 62 | ,fRow (-1) |
dfd03fc3 | 63 | ,fNADC(-1) |
64 | ,fNTimeBin(-1) | |
dfd03fc3 | 65 | ,fADCR(NULL) |
66 | ,fADCF(NULL) | |
b0a41e80 | 67 | ,fMCMT(NULL) |
68 | ,fTrackletArray(NULL) | |
dfd03fc3 | 69 | ,fZSM(NULL) |
70 | ,fZSM1Dim(NULL) | |
6e5d4cb2 | 71 | ,fFeeParam(NULL) |
b0a41e80 | 72 | ,fTrapConfig(NULL) |
6e5d4cb2 | 73 | ,fSimParam(NULL) |
74 | ,fCal(NULL) | |
75 | ,fGeo(NULL) | |
b0a41e80 | 76 | ,fPedAcc(NULL) |
77 | ,fGainCounterA(NULL) | |
78 | ,fGainCounterB(NULL) | |
79 | ,fTailAmplLong(NULL) | |
80 | ,fTailAmplShort(NULL) | |
81 | ,fNHits(0) | |
82 | ,fFitReg(NULL) | |
dfd03fc3 | 83 | { |
84 | // | |
b0a41e80 | 85 | // AliTRDmcmSim default constructor |
dfd03fc3 | 86 | // By default, nothing is initialized. |
87 | // It is necessary to issue Init before use. | |
88 | } | |
89 | ||
dfd03fc3 | 90 | AliTRDmcmSim::~AliTRDmcmSim() |
91 | { | |
92 | // | |
93 | // AliTRDmcmSim destructor | |
94 | // | |
0c349049 | 95 | |
b0a41e80 | 96 | if(fInitialized) { |
dfd03fc3 | 97 | for( Int_t iadc = 0 ; iadc < fNADC; iadc++ ) { |
16e077d0 | 98 | delete [] fADCR[iadc]; |
99 | delete [] fADCF[iadc]; | |
100 | delete [] fZSM [iadc]; | |
dfd03fc3 | 101 | } |
16e077d0 | 102 | delete [] fADCR; |
103 | delete [] fADCF; | |
104 | delete [] fZSM; | |
105 | delete [] fZSM1Dim; | |
1d93b218 | 106 | delete [] fMCMT; |
b0a41e80 | 107 | |
108 | delete [] fPedAcc; | |
109 | delete [] fGainCounterA; | |
110 | delete [] fGainCounterB; | |
111 | delete [] fTailAmplLong; | |
112 | delete [] fTailAmplShort; | |
113 | delete [] fFitReg; | |
114 | ||
115 | fTrackletArray->Delete(); | |
116 | delete fTrackletArray; | |
117 | delete fGeo; | |
1d93b218 | 118 | } |
dfd03fc3 | 119 | } |
120 | ||
b0a41e80 | 121 | void AliTRDmcmSim::Init( Int_t det, Int_t robPos, Int_t mcmPos, Bool_t /* newEvent */ ) |
dfd03fc3 | 122 | { |
0c349049 | 123 | // |
dfd03fc3 | 124 | // Initialize the class with new geometry information |
125 | // fADC array will be reused with filled by zero | |
0c349049 | 126 | // |
96e6312d | 127 | |
b0a41e80 | 128 | if (!fInitialized) { |
129 | fFeeParam = AliTRDfeeParam::Instance(); | |
130 | fTrapConfig = AliTRDtrapConfig::Instance(); | |
131 | fSimParam = AliTRDSimParam::Instance(); | |
132 | fCal = AliTRDcalibDB::Instance(); | |
133 | fGeo = new AliTRDgeometry(); | |
134 | } | |
135 | ||
136 | fDetector = det; | |
0c349049 | 137 | fRobPos = robPos; |
138 | fMcmPos = mcmPos; | |
dfd03fc3 | 139 | fNADC = fFeeParam->GetNadcMcm(); |
ecf39416 | 140 | fNTimeBin = fCal->GetNumberOfTimeBins(); |
dfd03fc3 | 141 | fRow = fFeeParam->GetPadRowFromMCM( fRobPos, fMcmPos ); |
b0a41e80 | 142 | fMaxTracklets = fFeeParam->GetMaxNrOfTracklets(); |
23200400 | 143 | |
b0a41e80 | 144 | if (!fInitialized) { |
dfd03fc3 | 145 | fADCR = new Int_t *[fNADC]; |
146 | fADCF = new Int_t *[fNADC]; | |
147 | fZSM = new Int_t *[fNADC]; | |
148 | fZSM1Dim = new Int_t [fNADC]; | |
b0a41e80 | 149 | fGainCounterA = new UInt_t[fNADC]; |
150 | fGainCounterB = new UInt_t[fNADC]; | |
dfd03fc3 | 151 | for( Int_t iadc = 0 ; iadc < fNADC; iadc++ ) { |
152 | fADCR[iadc] = new Int_t[fNTimeBin]; | |
153 | fADCF[iadc] = new Int_t[fNTimeBin]; | |
154 | fZSM [iadc] = new Int_t[fNTimeBin]; | |
155 | } | |
b0a41e80 | 156 | |
157 | // filter registers | |
158 | fPedAcc = new UInt_t[fNADC]; // accumulator for pedestal filter | |
159 | fTailAmplLong = new UShort_t[fNADC]; | |
160 | fTailAmplShort = new UShort_t[fNADC]; | |
161 | ||
162 | // tracklet calculation | |
163 | fFitReg = new FitReg_t[fNADC]; | |
164 | fTrackletArray = new TClonesArray("AliTRDtrackletMCM", fMaxTracklets); | |
165 | ||
166 | fMCMT = new UInt_t[fMaxTracklets]; | |
dfd03fc3 | 167 | } |
168 | ||
b0a41e80 | 169 | fInitialized = kTRUE; |
170 | ||
171 | Reset(); | |
172 | } | |
173 | ||
174 | void AliTRDmcmSim::Reset() | |
175 | { | |
176 | // Resets the data values and internal filter registers | |
177 | // by re-initialising them | |
178 | ||
dfd03fc3 | 179 | for( Int_t iadc = 0 ; iadc < fNADC; iadc++ ) { |
180 | for( Int_t it = 0 ; it < fNTimeBin ; it++ ) { | |
181 | fADCR[iadc][it] = 0; | |
182 | fADCF[iadc][it] = 0; | |
183 | fZSM [iadc][it] = 1; // Default unread = 1 | |
184 | } | |
185 | fZSM1Dim[iadc] = 1; // Default unread = 1 | |
b0a41e80 | 186 | fGainCounterA[iadc] = 0; |
187 | fGainCounterB[iadc] = 0; | |
dfd03fc3 | 188 | } |
ecf39416 | 189 | |
1d93b218 | 190 | for(Int_t i = 0; i < fMaxTracklets; i++) { |
191 | fMCMT[i] = 0; | |
192 | } | |
b0a41e80 | 193 | |
194 | FilterPedestalInit(); | |
195 | FilterGainInit(); | |
196 | FilterTailInit(fTrapConfig->GetTrapReg(AliTRDtrapConfig::kFPNP)); //??? not really correct if gain filter is active | |
197 | } | |
1d93b218 | 198 | |
b0a41e80 | 199 | Bool_t AliTRDmcmSim::LoadMCM(AliRunLoader *runloader, Int_t det, Int_t rob, Int_t mcm) |
200 | { | |
201 | // loads the ADC data as obtained from the digitsManager for the specified MCM | |
202 | ||
203 | if (!CheckInitialized()) | |
204 | Init(det, rob, mcm); | |
205 | ||
206 | if (!runloader) { | |
207 | AliError("No Runloader given"); | |
208 | return kFALSE; | |
209 | } | |
210 | ||
211 | AliLoader *trdLoader = runloader->GetLoader("TRDLoader"); | |
212 | if (!trdLoader) { | |
213 | AliError("Could not get TRDLoader"); | |
214 | return kFALSE; | |
215 | } | |
216 | ||
217 | trdLoader->LoadDigits(); | |
218 | AliTRDdigitsManager *digMgr = new AliTRDdigitsManager(); | |
219 | digMgr->SetSDigits(0); | |
220 | digMgr->CreateArrays(); | |
221 | digMgr->ReadDigits(trdLoader->TreeD()); | |
222 | AliTRDarrayADC *digits = (AliTRDarrayADC*) digMgr->GetDigits(det); | |
223 | if (!digits->HasData()) | |
224 | return kFALSE; | |
225 | digits->Expand(); | |
226 | ||
227 | Int_t padrow = fFeeParam->GetPadRowFromMCM(rob, mcm); | |
228 | Int_t padcol = 0; | |
229 | for (Int_t ch = 0; ch < fNADC; ch++) { | |
230 | for (Int_t tb = 0; tb < fNTimeBin; tb++) { | |
231 | padcol = fFeeParam->GetPadColFromADC(rob, mcm, ch); | |
232 | if (padcol < 0) { | |
233 | fADCR[ch][tb] = 0; | |
234 | fADCF[ch][tb] = 0; | |
235 | } | |
236 | else { | |
237 | if (digits->GetData(padrow,padcol, tb) < 0) { | |
238 | fADCR[ch][tb] = 0; | |
239 | fADCF[ch][tb] = 0; | |
240 | } | |
241 | else { | |
242 | fADCR[ch][tb] = digits->GetData(padrow, padcol, tb) << fgkAddDigits; | |
243 | fADCF[ch][tb] = digits->GetData(padrow, padcol, tb) << fgkAddDigits; | |
244 | } | |
245 | } | |
246 | } | |
247 | } | |
248 | digMgr->RemoveDigits(det); | |
249 | delete digMgr; | |
1d93b218 | 250 | |
b0a41e80 | 251 | return kTRUE; |
252 | } | |
253 | ||
254 | void AliTRDmcmSim::NoiseTest(Int_t nsamples, Int_t mean, Int_t sigma, Int_t inputGain, Int_t inputTail) | |
255 | { | |
256 | // This function can be used to test the filters. | |
257 | // It feeds nsamples of ADC values with a gaussian distribution specified by mean and sigma. | |
258 | // The filter chain implemented here consists of: | |
259 | // Pedestal -> Gain -> Tail | |
260 | // With inputGain and inputTail the input to the gain and tail filter, respectively, | |
261 | // can be chosen where | |
262 | // 0: noise input | |
263 | // 1: pedestal output | |
264 | // 2: gain output | |
265 | // The input has to be chosen from a stage before. | |
266 | // The filter behaviour is controlled by the TRAP parameters from AliTRDtrapConfig in the | |
267 | // same way as in normal simulation. | |
268 | // The functions produces four histograms with the values at the different stages. | |
269 | ||
270 | TH1F *h = new TH1F("noise", "Gaussian Noise;sample;ADC count", | |
271 | nsamples, 0, nsamples); | |
272 | TH1F *hfp = new TH1F("pedf", "Noise #rightarrow Pedestal filter;sample;ADC count", nsamples, 0, nsamples); | |
273 | TH1F *hfg = new TH1F("pedg", "Pedestal #rightarrow Gain;sample;ADC count", nsamples, 0, nsamples); | |
274 | TH1F *hft = new TH1F("pedt", "Gain #rightarrow Tail;sample;ADC count", nsamples, 0, nsamples); | |
275 | h->SetStats(kFALSE); | |
276 | hfp->SetStats(kFALSE); | |
277 | hfg->SetStats(kFALSE); | |
278 | hft->SetStats(kFALSE); | |
279 | ||
280 | Int_t value; // ADC count with noise (10 bit) | |
281 | Int_t valuep; // pedestal filter output (12 bit) | |
282 | Int_t valueg; // gain filter output (12 bit) | |
283 | Int_t valuet; // tail filter value (12 bit) | |
284 | ||
285 | for (Int_t i = 0; i < nsamples; i++) { | |
286 | value = (Int_t) gRandom->Gaus(mean, sigma); // generate noise with gaussian distribution | |
287 | h->SetBinContent(i, value); | |
288 | ||
289 | valuep = FilterPedestalNextSample(1, 0, ((Int_t) value) << 2); | |
290 | ||
291 | if (inputGain == 0) | |
292 | valueg = FilterGainNextSample(1, ((Int_t) value) << 2); | |
293 | else | |
294 | valueg = FilterGainNextSample(1, valuep); | |
295 | ||
296 | if (inputTail == 0) | |
297 | valuet = FilterTailNextSample(1, ((Int_t) value) << 2); | |
298 | else if (inputTail == 1) | |
299 | valuet = FilterTailNextSample(1, valuep); | |
300 | else | |
301 | valuet = FilterTailNextSample(1, valueg); | |
302 | ||
303 | hfp->SetBinContent(i, valuep >> 2); | |
304 | hfg->SetBinContent(i, valueg >> 2); | |
305 | hft->SetBinContent(i, valuet >> 2); | |
306 | } | |
307 | ||
308 | TCanvas *c = new TCanvas; | |
309 | c->Divide(2,2); | |
310 | c->cd(1); | |
311 | h->Draw(); | |
312 | c->cd(2); | |
313 | hfp->Draw(); | |
314 | c->cd(3); | |
315 | hfg->Draw(); | |
316 | c->cd(4); | |
317 | hft->Draw(); | |
dfd03fc3 | 318 | } |
319 | ||
ecf39416 | 320 | Bool_t AliTRDmcmSim::CheckInitialized() |
321 | { | |
0c349049 | 322 | // |
323 | // Check whether object is initialized | |
324 | // | |
325 | ||
ecf39416 | 326 | if( ! fInitialized ) { |
327 | AliDebug(2, Form ("AliTRDmcmSim is not initialized but function other than Init() is called.")); | |
328 | } | |
329 | return fInitialized; | |
330 | } | |
331 | ||
b0a41e80 | 332 | void AliTRDmcmSim::Print(Option_t* option) const |
333 | { | |
334 | // Prints the data stored and/or calculated for this MCM. | |
335 | // The output is controlled by option which can be a sequence of any of | |
336 | // the following characters: | |
337 | // R - prints raw ADC data | |
338 | // F - prints filtered data | |
339 | // H - prints detected hits | |
340 | // T - prints found tracklets | |
341 | // The later stages are only useful when the corresponding calculations | |
342 | // have been performed. | |
343 | ||
344 | printf("MCM %i on ROB %i in detector %i\n", fMcmPos, fRobPos, fDetector); | |
345 | ||
346 | TString opt = option; | |
347 | if (opt.Contains("U")) { | |
348 | printf("Raw ADC data (10 bit):\n"); | |
349 | for (Int_t iTimeBin = 0; iTimeBin < fNTimeBin; iTimeBin++) { | |
350 | for (Int_t iChannel = 0; iChannel < fNADC; iChannel++) { | |
351 | printf("%5i", fADCR[iChannel][iTimeBin] >> fgkAddDigits); | |
352 | } | |
353 | printf("\n"); | |
354 | } | |
1d93b218 | 355 | } |
356 | ||
b0a41e80 | 357 | if (opt.Contains("F")) { |
358 | printf("Filtered data (12 bit):\n"); | |
359 | for (Int_t iTimeBin = 0; iTimeBin < fNTimeBin; iTimeBin++) { | |
360 | for (Int_t iChannel = 0; iChannel < fNADC; iChannel++) { | |
361 | printf("%5i", fADCF[iChannel][iTimeBin]); | |
362 | } | |
363 | printf("\n"); | |
364 | } | |
1d93b218 | 365 | } |
366 | ||
b0a41e80 | 367 | if (opt.Contains("H")) { |
368 | printf("Found %i hits:\n", fNHits); | |
369 | for (Int_t iHit = 0; iHit < fNHits; iHit++) { | |
370 | printf("Hit %3i in timebin %2i, ADC %2i has charge %3i and position %3i\n", | |
371 | iHit, fHits[iHit].timebin, fHits[iHit].channel, fHits[iHit].qtot, fHits[iHit].ypos); | |
372 | } | |
1d93b218 | 373 | } |
1d93b218 | 374 | |
b0a41e80 | 375 | if (opt.Contains("T")) { |
376 | printf("Tracklets:\n"); | |
377 | for (Int_t iTrkl = 0; iTrkl < fTrackletArray->GetEntriesFast(); iTrkl++) { | |
378 | printf("tracklet %i: 0x%08x\n", iTrkl, ((AliTRDtrackletMCM*) (*fTrackletArray)[iTrkl])->GetTrackletWord()); | |
379 | } | |
1d93b218 | 380 | } |
b0a41e80 | 381 | } |
1d93b218 | 382 | |
b0a41e80 | 383 | void AliTRDmcmSim::Draw(Option_t* option) |
384 | { | |
385 | // Plots the data stored in a 2-dim. timebin vs. ADC channel plot. | |
386 | // The option selects what data is plotted and can be a sequence of | |
387 | // the following characters: | |
388 | // R - plot raw data (default) | |
389 | // F - plot filtered data (meaningless if R is specified) | |
390 | // In addition to the ADC values: | |
391 | // H - plot hits | |
392 | // T - plot tracklets | |
393 | ||
394 | TString opt = option; | |
395 | ||
396 | TH2F *hist = new TH2F("mcmdata", Form("Data of MCM %i on ROB %i in detector %i", \ | |
397 | fMcmPos, fRobPos, fDetector), \ | |
398 | fNADC, -0.5, fNADC-.5, fNTimeBin, -.5, fNTimeBin-.5); | |
399 | hist->GetXaxis()->SetTitle("ADC Channel"); | |
400 | hist->GetYaxis()->SetTitle("Timebin"); | |
401 | hist->SetStats(kFALSE); | |
402 | ||
403 | if (opt.Contains("R")) { | |
404 | for (Int_t iTimeBin = 0; iTimeBin < fNTimeBin; iTimeBin++) { | |
405 | for (Int_t iAdc = 0; iAdc < fNADC; iAdc++) { | |
406 | hist->SetBinContent(iAdc+1, iTimeBin+1, fADCR[iAdc][iTimeBin] >> fgkAddDigits); | |
407 | } | |
1d93b218 | 408 | } |
b0a41e80 | 409 | } |
410 | else { | |
411 | for (Int_t iTimeBin = 0; iTimeBin < fNTimeBin; iTimeBin++) { | |
412 | for (Int_t iAdc = 0; iAdc < fNADC; iAdc++) { | |
413 | hist->SetBinContent(iAdc+1, iTimeBin+1, fADCF[iAdc][iTimeBin] >> fgkAddDigits); | |
414 | } | |
1d93b218 | 415 | } |
1d93b218 | 416 | } |
b0a41e80 | 417 | hist->Draw("colz"); |
1d93b218 | 418 | |
b0a41e80 | 419 | if (opt.Contains("H")) { |
420 | TGraph *grHits = new TGraph(); | |
421 | for (Int_t iHit = 0; iHit < fNHits; iHit++) { | |
422 | grHits->SetPoint(iHit, | |
423 | fHits[iHit].channel + 1 + fHits[iHit].ypos/256., | |
424 | fHits[iHit].timebin); | |
425 | } | |
426 | grHits->Draw("*"); | |
427 | } | |
1d93b218 | 428 | |
b0a41e80 | 429 | if (opt.Contains("T")) { |
430 | TLine *trklLines = new TLine[4]; | |
431 | for (Int_t iTrkl = 0; iTrkl < 4; iTrkl++) { | |
432 | if (fMCMT[iTrkl] == 0x10001000) | |
433 | break; | |
434 | AliTRDpadPlane *pp = fGeo->GetPadPlane(fDetector); | |
435 | AliTRDtrackletMCM *trkl = (AliTRDtrackletMCM*) (*fTrackletArray)[iTrkl]; | |
436 | Float_t offset = pp->GetColPos(fFeeParam->GetPadColFromADC(fRobPos, fMcmPos, 19)) + 19 * pp->GetWidthIPad(); | |
437 | trklLines[iTrkl].SetX1((offset - trkl->GetY()) / pp->GetWidthIPad()); | |
438 | trklLines[iTrkl].SetY1(0); | |
439 | trklLines[iTrkl].SetX2((offset - (trkl->GetY() + ((Float_t) trkl->GetdY())*140e-4)) / pp->GetWidthIPad()); | |
440 | trklLines[iTrkl].SetY2(fNTimeBin - 1); | |
441 | trklLines[iTrkl].SetLineColor(2); | |
442 | trklLines[iTrkl].SetLineWidth(2); | |
443 | printf("Tracklet %i: y = %f, dy = %f, offset = %f\n", iTrkl, trkl->GetY(), (trkl->GetdY() * 140e-4), offset); | |
444 | trklLines[iTrkl].Draw(); | |
445 | } | |
446 | } | |
1d93b218 | 447 | } |
448 | ||
dfd03fc3 | 449 | void AliTRDmcmSim::SetData( Int_t iadc, Int_t *adc ) |
450 | { | |
0c349049 | 451 | // |
dfd03fc3 | 452 | // Store ADC data into array of raw data |
0c349049 | 453 | // |
dfd03fc3 | 454 | |
ecf39416 | 455 | if( !CheckInitialized() ) return; |
dfd03fc3 | 456 | |
457 | if( iadc < 0 || iadc >= fNADC ) { | |
b0a41e80 | 458 | //Log (Form ("Error: iadc is out of range (should be 0 to %d).", fNADC-1)); |
dfd03fc3 | 459 | return; |
460 | } | |
461 | ||
462 | for( int it = 0 ; it < fNTimeBin ; it++ ) { | |
b0a41e80 | 463 | fADCR[iadc][it] = (Int_t) (adc[it]) << fgkAddDigits; |
464 | fADCF[iadc][it] = (Int_t) (adc[it]) << fgkAddDigits; | |
dfd03fc3 | 465 | } |
466 | } | |
467 | ||
dfd03fc3 | 468 | void AliTRDmcmSim::SetData( Int_t iadc, Int_t it, Int_t adc ) |
469 | { | |
0c349049 | 470 | // |
dfd03fc3 | 471 | // Store ADC data into array of raw data |
0c349049 | 472 | // |
dfd03fc3 | 473 | |
ecf39416 | 474 | if( !CheckInitialized() ) return; |
dfd03fc3 | 475 | |
476 | if( iadc < 0 || iadc >= fNADC ) { | |
477 | //Log (Form ("Error: iadc is out of range (should be 0 to %d).", fNADC-1)); | |
478 | return; | |
479 | } | |
480 | ||
b0a41e80 | 481 | fADCR[iadc][it] = adc << fgkAddDigits; |
482 | fADCF[iadc][it] = adc << fgkAddDigits; | |
483 | } | |
484 | ||
485 | void AliTRDmcmSim::SetData(AliTRDarrayADC *adcArray) | |
486 | { | |
487 | if (!fInitialized) { | |
488 | AliError("Called uninitialized! Aborting!"); | |
489 | return; | |
490 | } | |
491 | ||
492 | Int_t firstAdc = 0; | |
493 | Int_t lastAdc = fNADC-1; | |
494 | ||
495 | if (GetCol(firstAdc) > 143) { | |
496 | for (Int_t iTimeBin = 0; iTimeBin < fNTimeBin; iTimeBin++) { | |
497 | fADCR[firstAdc][iTimeBin] = fSimParam->GetADCbaseline() << fgkAddDigits; | |
498 | fADCF[firstAdc][iTimeBin] = fSimParam->GetADCbaseline() << fgkAddDigits; | |
499 | } | |
500 | firstAdc = 1; | |
501 | } | |
502 | ||
503 | if (GetCol(lastAdc) < 0) { | |
504 | for (Int_t iTimeBin = 0; iTimeBin < fNTimeBin; iTimeBin++) { | |
505 | fADCR[lastAdc][iTimeBin] = fSimParam->GetADCbaseline() << fgkAddDigits; | |
506 | fADCF[lastAdc][iTimeBin] = fSimParam->GetADCbaseline() << fgkAddDigits; | |
507 | } | |
508 | lastAdc = fNADC - 2; | |
509 | } | |
510 | ||
511 | for (Int_t iTimeBin = 0; iTimeBin < fNTimeBin; iTimeBin++) { | |
512 | for (Int_t iAdc = firstAdc; iAdc < lastAdc; iAdc++) { | |
513 | Int_t value = adcArray->GetData(GetRow(), GetCol(iAdc), iTimeBin); | |
514 | if (value < 0) { | |
515 | fADCR[iAdc][iTimeBin] = 0; | |
516 | fADCF[iAdc][iTimeBin] = 0; | |
517 | } | |
518 | else { | |
519 | fADCR[iAdc][iTimeBin] = adcArray->GetData(GetRow(), GetCol(iAdc), iTimeBin) << fgkAddDigits; | |
520 | fADCF[iAdc][iTimeBin] = adcArray->GetData(GetRow(), GetCol(iAdc), iTimeBin) << fgkAddDigits; | |
521 | } | |
522 | } | |
523 | } | |
dfd03fc3 | 524 | } |
525 | ||
dfd03fc3 | 526 | void AliTRDmcmSim::SetDataPedestal( Int_t iadc ) |
527 | { | |
0c349049 | 528 | // |
dfd03fc3 | 529 | // Store ADC data into array of raw data |
0c349049 | 530 | // |
dfd03fc3 | 531 | |
ecf39416 | 532 | if( !CheckInitialized() ) return; |
dfd03fc3 | 533 | |
534 | if( iadc < 0 || iadc >= fNADC ) { | |
535 | //Log (Form ("Error: iadc is out of range (should be 0 to %d).", fNADC-1)); | |
536 | return; | |
537 | } | |
538 | ||
539 | for( Int_t it = 0 ; it < fNTimeBin ; it++ ) { | |
b0a41e80 | 540 | fADCR[iadc][it] = fSimParam->GetADCbaseline() << fgkAddDigits; |
541 | fADCF[iadc][it] = fSimParam->GetADCbaseline() << fgkAddDigits; | |
dfd03fc3 | 542 | } |
543 | } | |
544 | ||
dfd03fc3 | 545 | Int_t AliTRDmcmSim::GetCol( Int_t iadc ) |
546 | { | |
0c349049 | 547 | // |
dfd03fc3 | 548 | // Return column id of the pad for the given ADC channel |
0c349049 | 549 | // |
550 | ||
ecf39416 | 551 | if( !CheckInitialized() ) return -1; |
dfd03fc3 | 552 | |
ecf39416 | 553 | return fFeeParam->GetPadColFromADC(fRobPos, fMcmPos, iadc); |
dfd03fc3 | 554 | } |
555 | ||
b0a41e80 | 556 | Int_t AliTRDmcmSim::ProduceRawStream( UInt_t *buf, Int_t maxSize, UInt_t iEv) |
dfd03fc3 | 557 | { |
0c349049 | 558 | // |
dfd03fc3 | 559 | // Produce raw data stream from this MCM and put in buf |
0c349049 | 560 | // Returns number of words filled, or negative value |
561 | // with -1 * number of overflowed words | |
562 | // | |
dfd03fc3 | 563 | |
564 | UInt_t x; | |
dfd03fc3 | 565 | Int_t nw = 0; // Number of written words |
566 | Int_t of = 0; // Number of overflowed words | |
567 | Int_t rawVer = fFeeParam->GetRAWversion(); | |
568 | Int_t **adc; | |
b0a41e80 | 569 | Int_t nActiveADC = 0; // number of activated ADC bits in a word |
dfd03fc3 | 570 | |
ecf39416 | 571 | if( !CheckInitialized() ) return 0; |
572 | ||
dfd03fc3 | 573 | if( fFeeParam->GetRAWstoreRaw() ) { |
574 | adc = fADCR; | |
575 | } else { | |
576 | adc = fADCF; | |
577 | } | |
578 | ||
579 | // Produce MCM header | |
b0a41e80 | 580 | x = (1<<31) | (fRobPos << 28) | (fMcmPos << 24) | ((iEv % 0x100000) << 4) | 0xC; |
581 | ||
dfd03fc3 | 582 | if (nw < maxSize) { |
583 | buf[nw++] = x; | |
b0a41e80 | 584 | //printf("\nMCM header: %X ",x); |
dfd03fc3 | 585 | } |
586 | else { | |
587 | of++; | |
588 | } | |
589 | ||
b0a41e80 | 590 | // Produce ADC mask : nncc cccm mmmm mmmm mmmm mmmm mmmm 1100 |
591 | // n : unused , c : ADC count, m : selected ADCs | |
dfd03fc3 | 592 | if( rawVer >= 3 ) { |
593 | x = 0; | |
594 | for( Int_t iAdc = 0 ; iAdc < fNADC ; iAdc++ ) { | |
595 | if( fZSM1Dim[iAdc] == 0 ) { // 0 means not suppressed | |
b0a41e80 | 596 | x = x | (1 << (iAdc+4) ); // last 4 digit reserved for 1100=0xc |
597 | nActiveADC++; // number of 1 in mmm....m | |
dfd03fc3 | 598 | } |
599 | } | |
b0a41e80 | 600 | x = x | (1 << 30) | ( ( 0x3FFFFFFC ) & (~(nActiveADC) << 25) ) | 0xC; // nn = 01, ccccc are inverted, 0xc=1100 |
601 | //printf("nActiveADC=%d=%08X, inverted=%X ",nActiveADC,nActiveADC,x ); | |
602 | ||
dfd03fc3 | 603 | if (nw < maxSize) { |
604 | buf[nw++] = x; | |
b0a41e80 | 605 | //printf("ADC mask: %X nMask=%d ADC data: ",x,nActiveADC); |
dfd03fc3 | 606 | } |
607 | else { | |
608 | of++; | |
609 | } | |
610 | } | |
611 | ||
612 | // Produce ADC data. 3 timebins are packed into one 32 bits word | |
613 | // In this version, different ADC channel will NOT share the same word | |
614 | ||
615 | UInt_t aa=0, a1=0, a2=0, a3=0; | |
616 | ||
617 | for (Int_t iAdc = 0; iAdc < 21; iAdc++ ) { | |
b0a41e80 | 618 | if( rawVer>= 3 && fZSM1Dim[iAdc] != 0 ) continue; // Zero Suppression, 0 means not suppressed |
dfd03fc3 | 619 | aa = !(iAdc & 1) + 2; |
620 | for (Int_t iT = 0; iT < fNTimeBin; iT+=3 ) { | |
b0a41e80 | 621 | a1 = ((iT ) < fNTimeBin ) ? adc[iAdc][iT ] >> fgkAddDigits : 0; |
622 | a2 = ((iT + 1) < fNTimeBin ) ? adc[iAdc][iT+1] >> fgkAddDigits : 0; | |
623 | a3 = ((iT + 2) < fNTimeBin ) ? adc[iAdc][iT+2] >> fgkAddDigits : 0; | |
ecf39416 | 624 | x = (a3 << 22) | (a2 << 12) | (a1 << 2) | aa; |
625 | if (nw < maxSize) { | |
b0a41e80 | 626 | buf[nw++] = x; |
627 | //printf("%08X ",x); | |
ecf39416 | 628 | } |
629 | else { | |
b0a41e80 | 630 | of++; |
ecf39416 | 631 | } |
dfd03fc3 | 632 | } |
633 | } | |
634 | ||
635 | if( of != 0 ) return -of; else return nw; | |
636 | } | |
637 | ||
b0a41e80 | 638 | Int_t AliTRDmcmSim::ProduceTrackletStream( UInt_t *buf, Int_t maxSize ) |
987ba9a3 | 639 | { |
640 | // | |
b0a41e80 | 641 | // Produce tracklet data stream from this MCM and put in buf |
987ba9a3 | 642 | // Returns number of words filled, or negative value |
643 | // with -1 * number of overflowed words | |
644 | // | |
645 | ||
646 | UInt_t x; | |
987ba9a3 | 647 | Int_t nw = 0; // Number of written words |
648 | Int_t of = 0; // Number of overflowed words | |
b0a41e80 | 649 | |
987ba9a3 | 650 | if( !CheckInitialized() ) return 0; |
651 | ||
b0a41e80 | 652 | // Produce tracklet data. A maximum of four 32 Bit words will be written per MCM |
653 | // fMCMT is filled continuously until no more tracklet words available | |
987ba9a3 | 654 | |
b0a41e80 | 655 | Int_t wd = 0; |
656 | while ( (wd < fMaxTracklets) && (fMCMT[wd] > 0) ){ | |
657 | x = fMCMT[wd]; | |
658 | if (nw < maxSize) { | |
659 | buf[nw++] = x; | |
660 | } | |
661 | else { | |
662 | of++; | |
663 | } | |
664 | wd++; | |
987ba9a3 | 665 | } |
b0a41e80 | 666 | |
667 | if( of != 0 ) return -of; else return nw; | |
668 | } | |
987ba9a3 | 669 | |
b0a41e80 | 670 | void AliTRDmcmSim::Filter() |
671 | { | |
672 | // | |
673 | // Filter the raw ADC values. The active filter stages and their | |
674 | // parameters are taken from AliTRDtrapConfig. | |
675 | // The raw data is stored separate from the filtered data. Thus, | |
676 | // it is possible to run the filters on a set of raw values | |
677 | // sequentially for parameter tuning. | |
678 | // | |
987ba9a3 | 679 | |
b0a41e80 | 680 | if( !CheckInitialized() ) { |
681 | AliError("got called before initialization! Nothing done!"); | |
682 | return; | |
987ba9a3 | 683 | } |
684 | ||
b0a41e80 | 685 | // Apply filters sequentially. Bypass is handled by filters |
686 | // since counters and internal registers may be updated even | |
687 | // if the filter is bypassed. | |
688 | // The first filter takes the data from fADCR and | |
689 | // outputs to fADCF. | |
690 | ||
691 | // Non-linearity filter not implemented. | |
692 | FilterPedestal(); | |
693 | FilterGain(); | |
694 | FilterTail(); | |
695 | // Crosstalk filter not implemented. | |
696 | } | |
987ba9a3 | 697 | |
b0a41e80 | 698 | void AliTRDmcmSim::FilterPedestalInit() |
699 | { | |
700 | // Initializes the pedestal filter assuming that the input has | |
701 | // been constant for a long time (compared to the time constant). | |
987ba9a3 | 702 | |
b0a41e80 | 703 | // UShort_t fpnp = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kFPNP); // 0..511 -> 0..127.75, pedestal at the output |
704 | UShort_t fptc = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kFPTC); // 0..3, 0 - fastest, 3 - slowest | |
705 | UShort_t shifts[4] = {11, 14, 17, 21}; //??? where to take shifts from? | |
987ba9a3 | 706 | |
b0a41e80 | 707 | for (Int_t iAdc = 0; iAdc < fNADC; iAdc++) |
708 | fPedAcc[iAdc] = (fSimParam->GetADCbaseline() << 2) * (1<<shifts[fptc]); | |
987ba9a3 | 709 | } |
710 | ||
b0a41e80 | 711 | UShort_t AliTRDmcmSim::FilterPedestalNextSample(Int_t adc, Int_t timebin, UShort_t value) |
1d93b218 | 712 | { |
b0a41e80 | 713 | // Returns the output of the pedestal filter given the input value. |
714 | // The output depends on the internal registers and, thus, the | |
715 | // history of the filter. | |
1d93b218 | 716 | |
b0a41e80 | 717 | UShort_t fpnp = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kFPNP); // 0..511 -> 0..127.75, pedestal at the output |
718 | UShort_t fptc = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kFPTC); // 0..3, 0 - fastest, 3 - slowest | |
719 | UShort_t fpby = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kFPBY); // 0..1 the bypass, active low | |
720 | UShort_t shifts[4] = {11, 14, 17, 21}; //??? where to come from | |
1d93b218 | 721 | |
b0a41e80 | 722 | UShort_t accumulatorShifted; |
723 | Int_t correction; | |
724 | UShort_t inpAdd; | |
725 | ||
726 | inpAdd = value + fpnp; | |
1d93b218 | 727 | |
b0a41e80 | 728 | if (fpby == 0) //??? before or after update of accumulator |
729 | return value; | |
730 | ||
731 | accumulatorShifted = (fPedAcc[adc] >> shifts[fptc]) & 0x3FF; // 10 bits | |
732 | if (timebin == 0) // the accumulator is disabled in the drift time | |
733 | { | |
734 | correction = (value & 0x3FF) - accumulatorShifted; | |
735 | fPedAcc[adc] = (fPedAcc[adc] + correction) & 0x7FFFFFFF; // 31 bits | |
1d93b218 | 736 | } |
737 | ||
b0a41e80 | 738 | if (inpAdd <= accumulatorShifted) |
739 | return 0; | |
740 | else | |
741 | { | |
742 | inpAdd = inpAdd - accumulatorShifted; | |
743 | if (inpAdd > 0xFFF) | |
744 | return 0xFFF; | |
745 | else | |
746 | return inpAdd; | |
747 | } | |
1d93b218 | 748 | } |
749 | ||
b0a41e80 | 750 | void AliTRDmcmSim::FilterPedestal() |
dfd03fc3 | 751 | { |
0c349049 | 752 | // |
b0a41e80 | 753 | // Apply pedestal filter |
0c349049 | 754 | // |
b0a41e80 | 755 | // As the first filter in the chain it reads data from fADCR |
756 | // and outputs to fADCF. | |
757 | // It has only an effect if previous samples have been fed to | |
758 | // find the pedestal. Currently, the simulation assumes that | |
759 | // the input has been stable for a sufficiently long time. | |
dfd03fc3 | 760 | |
b0a41e80 | 761 | for (Int_t iTimeBin = 0; iTimeBin < fNTimeBin; iTimeBin++) { |
762 | for (Int_t iAdc = 0; iAdc < fNADC; iAdc++) { | |
763 | fADCF[iAdc][iTimeBin] = FilterPedestalNextSample(iAdc, iTimeBin, fADCR[iAdc][iTimeBin]); | |
dfd03fc3 | 764 | } |
765 | } | |
b0a41e80 | 766 | } |
767 | ||
768 | void AliTRDmcmSim::FilterGainInit() | |
769 | { | |
770 | // Initializes the gain filter. In this case, only threshold | |
771 | // counters are reset. | |
dfd03fc3 | 772 | |
b0a41e80 | 773 | for (Int_t iAdc = 0; iAdc < fNADC; iAdc++) { |
774 | // these are counters which in hardware continue | |
775 | // until maximum or reset | |
776 | fGainCounterA[iAdc] = 0; | |
777 | fGainCounterB[iAdc] = 0; | |
778 | } | |
dfd03fc3 | 779 | } |
780 | ||
b0a41e80 | 781 | UShort_t AliTRDmcmSim::FilterGainNextSample(Int_t adc, UShort_t value) |
dfd03fc3 | 782 | { |
b0a41e80 | 783 | // Apply the gain filter to the given value. |
784 | // BEGIN_LATEX O_{i}(t) = #gamma_{i} * I_{i}(t) + a_{i} END_LATEX | |
785 | // The output depends on the internal registers and, thus, the | |
786 | // history of the filter. | |
23200400 | 787 | |
b0a41e80 | 788 | UShort_t fgby = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kFGBY); // bypass, active low |
789 | UShort_t fgf = fTrapConfig->GetTrapReg(AliTRDtrapConfig::TrapReg_t(AliTRDtrapConfig::kFGF0 + adc)); // 0x700 + (0 & 0x1ff); | |
790 | UShort_t fga = fTrapConfig->GetTrapReg(AliTRDtrapConfig::TrapReg_t(AliTRDtrapConfig::kFGA0 + adc)); // 40; | |
791 | UShort_t fgta = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kFGTA); // 20; | |
792 | UShort_t fgtb = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kFGTB); // 2060; | |
dfd03fc3 | 793 | |
b0a41e80 | 794 | UInt_t tmp; |
dfd03fc3 | 795 | |
b0a41e80 | 796 | value &= 0xFFF; |
797 | tmp = (value * fgf) >> 11; | |
798 | if (tmp > 0xFFF) tmp = 0xFFF; | |
799 | ||
800 | if (fgby == 1) | |
801 | value = AddUintClipping(tmp, fga, 12); | |
802 | ||
803 | // Update threshold counters | |
804 | // not really useful as they are cleared with every new event | |
805 | if ((fGainCounterA[adc] == 0x3FFFFFF) || (fGainCounterB[adc] == 0x3FFFFFF)) | |
806 | { | |
807 | if (value >= fgtb) | |
808 | fGainCounterB[adc]++; | |
809 | else if (value >= fgta) | |
810 | fGainCounterA[adc]++; | |
dfd03fc3 | 811 | } |
b0a41e80 | 812 | |
813 | return value; | |
dfd03fc3 | 814 | } |
815 | ||
dfd03fc3 | 816 | void AliTRDmcmSim::FilterGain() |
817 | { | |
b0a41e80 | 818 | // Read data from fADCF and apply gain filter. |
0c349049 | 819 | |
b0a41e80 | 820 | for (Int_t iAdc = 0; iAdc < fNADC; iAdc++) { |
821 | for (Int_t iTimeBin = 0; iTimeBin < fNTimeBin; iTimeBin++) { | |
822 | fADCF[iAdc][iTimeBin] = FilterGainNextSample(iAdc, fADCF[iAdc][iTimeBin]); | |
823 | } | |
824 | } | |
dfd03fc3 | 825 | } |
826 | ||
b0a41e80 | 827 | void AliTRDmcmSim::FilterTailInit(Int_t baseline) |
dfd03fc3 | 828 | { |
b0a41e80 | 829 | // Initializes the tail filter assuming that the input has |
830 | // been at the baseline value (configured by FTFP) for a | |
831 | // sufficiently long time. | |
832 | ||
833 | // exponents and weight calculated from configuration | |
834 | UShort_t alphaLong = 0x3ff & fTrapConfig->GetTrapReg(AliTRDtrapConfig::kFTAL); // the weight of the long component | |
835 | UShort_t lambdaLong = (1 << 10) | (1 << 9) | (fTrapConfig->GetTrapReg(AliTRDtrapConfig::kFTLL) & 0x1FF); // the multiplier | |
836 | UShort_t lambdaShort = (0 << 10) | (1 << 9) | (fTrapConfig->GetTrapReg(AliTRDtrapConfig::kFTLS) & 0x1FF); // the multiplier | |
837 | ||
838 | Float_t lambdaL = lambdaLong * 1.0 / (1 << 11); | |
839 | Float_t lambdaS = lambdaShort * 1.0 / (1 << 11); | |
840 | Float_t alphaL = alphaLong * 1.0 / (1 << 11); | |
841 | Float_t qup, qdn; | |
842 | qup = (1 - lambdaL) * (1 - lambdaS); | |
843 | qdn = 1 - lambdaS * alphaL - lambdaL * (1 - alphaL); | |
844 | Float_t kdc = qup/qdn; | |
845 | ||
846 | Float_t kt, ql, qs; | |
847 | UShort_t aout; | |
848 | ||
849 | kt = kdc * baseline; | |
850 | aout = baseline - (UShort_t) kt; | |
851 | ql = lambdaL * (1 - lambdaS) * alphaL; | |
852 | qs = lambdaS * (1 - lambdaL) * (1 - alphaL); | |
853 | ||
854 | for (Int_t iAdc = 0; iAdc < fNADC; iAdc++) { | |
855 | fTailAmplLong[iAdc] = (UShort_t) (aout * ql / (ql + qs)); | |
856 | fTailAmplShort[iAdc] = (UShort_t) (aout * qs / (ql + qs)); | |
857 | } | |
858 | } | |
dfd03fc3 | 859 | |
b0a41e80 | 860 | UShort_t AliTRDmcmSim::FilterTailNextSample(Int_t adc, UShort_t value) |
861 | { | |
862 | // Returns the output of the tail filter for the given input value. | |
863 | // The output depends on the internal registers and, thus, the | |
864 | // history of the filter. | |
865 | ||
866 | // exponents and weight calculated from configuration | |
867 | UShort_t alphaLong = 0x3ff & fTrapConfig->GetTrapReg(AliTRDtrapConfig::kFTAL); // the weight of the long component | |
868 | UShort_t lambdaLong = (1 << 10) | (1 << 9) | (fTrapConfig->GetTrapReg(AliTRDtrapConfig::kFTLL) & 0x1FF); // the multiplier | |
869 | UShort_t lambdaShort = (0 << 10) | (1 << 9) | (fTrapConfig->GetTrapReg(AliTRDtrapConfig::kFTLS) & 0x1FF); // the multiplier | |
870 | ||
871 | Float_t lambdaL = lambdaLong * 1.0 / (1 << 11); | |
872 | Float_t lambdaS = lambdaShort * 1.0 / (1 << 11); | |
873 | Float_t alphaL = alphaLong * 1.0 / (1 << 11); | |
874 | Float_t qup, qdn; | |
875 | qup = (1 - lambdaL) * (1 - lambdaS); | |
876 | qdn = 1 - lambdaS * alphaL - lambdaL * (1 - alphaL); | |
877 | // Float_t kdc = qup/qdn; | |
878 | ||
879 | UInt_t aDiff; | |
880 | UInt_t alInpv; | |
881 | UShort_t aQ; | |
882 | UInt_t tmp; | |
883 | ||
884 | UShort_t inp_volt = value & 0xFFF; // 12 bits | |
885 | ||
886 | if (fTrapConfig->GetTrapReg(AliTRDtrapConfig::kFTBY) == 0) // bypass mode, active low | |
887 | return value; | |
888 | else | |
889 | { | |
890 | // add the present generator outputs | |
891 | aQ = AddUintClipping(fTailAmplLong[adc], fTailAmplShort[adc], 12); | |
892 | ||
893 | // calculate the difference between the input the generated signal | |
894 | if (inp_volt > aQ) | |
895 | aDiff = inp_volt - aQ; | |
896 | else | |
897 | aDiff = 0; | |
898 | ||
899 | // the inputs to the two generators, weighted | |
900 | alInpv = (aDiff * alphaLong) >> 11; | |
901 | ||
902 | // the new values of the registers, used next time | |
903 | // long component | |
904 | tmp = AddUintClipping(fTailAmplLong[adc], alInpv, 12); | |
905 | tmp = (tmp * lambdaLong) >> 11; | |
906 | fTailAmplLong[adc] = tmp & 0xFFF; | |
907 | // short component | |
908 | tmp = AddUintClipping(fTailAmplShort[adc], aDiff - alInpv, 12); | |
909 | tmp = (tmp * lambdaShort) >> 11; | |
910 | fTailAmplShort[adc] = tmp & 0xFFF; | |
911 | ||
912 | // the output of the filter | |
913 | return aDiff; | |
914 | } | |
915 | } | |
dfd03fc3 | 916 | |
b0a41e80 | 917 | void AliTRDmcmSim::FilterTail() |
918 | { | |
919 | // Apply tail filter | |
dfd03fc3 | 920 | |
b0a41e80 | 921 | for (Int_t iTimeBin = 0; iTimeBin < fNTimeBin; iTimeBin++) { |
922 | for (Int_t iAdc = 0; iAdc < fNADC; iAdc++) { | |
923 | fADCF[iAdc][iTimeBin] = FilterTailNextSample(iAdc, fADCF[iAdc][iTimeBin]); | |
dfd03fc3 | 924 | } |
dfd03fc3 | 925 | } |
dfd03fc3 | 926 | } |
927 | ||
dfd03fc3 | 928 | void AliTRDmcmSim::ZSMapping() |
929 | { | |
0c349049 | 930 | // |
dfd03fc3 | 931 | // Zero Suppression Mapping implemented in TRAP chip |
932 | // | |
933 | // See detail TRAP manual "Data Indication" section: | |
934 | // http://www.kip.uni-heidelberg.de/ti/TRD/doc/trap/TRAP-UserManual.pdf | |
0c349049 | 935 | // |
dfd03fc3 | 936 | |
b0a41e80 | 937 | //??? values should come from TRAPconfig |
938 | Int_t eBIS = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kEBIS); // TRAP default = 0x4 (Tis=4) | |
939 | Int_t eBIT = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kEBIT); // TRAP default = 0x28 (Tit=40) | |
940 | Int_t eBIL = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kEBIL); // TRAP default = 0xf0 | |
941 | // (lookup table accept (I2,I1,I0)=(111) | |
942 | // or (110) or (101) or (100)) | |
943 | Int_t eBIN = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kEBIN); // TRAP default = 1 (no neighbor sensitivity) | |
ecf39416 | 944 | Int_t ep = AliTRDfeeParam::GetPFeffectPedestal(); |
945 | ||
b0a41e80 | 946 | Int_t **adc = fADCF; |
dfd03fc3 | 947 | |
b0a41e80 | 948 | if( !CheckInitialized() ) { |
949 | AliError("got called uninitialized! Aborting!"); | |
950 | return; | |
951 | } | |
952 | ||
953 | for( Int_t it = 0 ; it < fNTimeBin ; it++ ) { | |
954 | for( Int_t iadc = 1 ; iadc < fNADC-1; iadc++ ) { | |
dfd03fc3 | 955 | |
ecf39416 | 956 | // Get ADC data currently in filter buffer |
b0a41e80 | 957 | Int_t ap = adc[iadc-1][it] - ep; // previous |
958 | Int_t ac = adc[iadc ][it] - ep; // current | |
959 | Int_t an = adc[iadc+1][it] - ep; // next | |
ecf39416 | 960 | |
dfd03fc3 | 961 | // evaluate three conditions |
0c349049 | 962 | Int_t i0 = ( ac >= ap && ac >= an ) ? 0 : 1; // peak center detection |
963 | Int_t i1 = ( ap + ac + an > eBIT ) ? 0 : 1; // cluster | |
964 | Int_t i2 = ( ac > eBIS ) ? 0 : 1; // absolute large peak | |
965 | ||
966 | Int_t i = i2 * 4 + i1 * 2 + i0; // Bit position in lookup table | |
967 | Int_t d = (eBIL >> i) & 1; // Looking up (here d=0 means true | |
968 | // and d=1 means false according to TRAP manual) | |
969 | ||
970 | fZSM[iadc][it] &= d; | |
971 | if( eBIN == 0 ) { // turn on neighboring ADCs | |
972 | fZSM[iadc-1][it] &= d; | |
973 | fZSM[iadc+1][it] &= d; | |
dfd03fc3 | 974 | } |
975 | } | |
976 | } | |
977 | ||
978 | // do 1 dim projection | |
979 | for( Int_t iadc = 0 ; iadc < fNADC; iadc++ ) { | |
980 | for( Int_t it = 0 ; it < fNTimeBin ; it++ ) { | |
ecf39416 | 981 | fZSM1Dim[iadc] &= fZSM[iadc][it]; |
982 | } | |
983 | } | |
0c349049 | 984 | |
ecf39416 | 985 | } |
986 | ||
ecf39416 | 987 | void AliTRDmcmSim::DumpData( char *f, char *target ) |
988 | { | |
0c349049 | 989 | // |
ecf39416 | 990 | // Dump data stored (for debugging). |
991 | // target should contain one or multiple of the following characters | |
992 | // R for raw data | |
993 | // F for filtered data | |
994 | // Z for zero suppression map | |
995 | // S Raw dat astream | |
996 | // other characters are simply ignored | |
0c349049 | 997 | // |
998 | ||
ecf39416 | 999 | UInt_t tempbuf[1024]; |
1000 | ||
1001 | if( !CheckInitialized() ) return; | |
1002 | ||
1003 | std::ofstream of( f, std::ios::out | std::ios::app ); | |
1004 | of << Form("AliTRDmcmSim::DumpData det=%03d sm=%02d stack=%d layer=%d rob=%d mcm=%02d\n", | |
b0a41e80 | 1005 | fDetector, fGeo->GetSector(fDetector), fGeo->GetStack(fDetector), |
1006 | fGeo->GetSector(fDetector), fRobPos, fMcmPos ); | |
ecf39416 | 1007 | |
1008 | for( int t=0 ; target[t] != 0 ; t++ ) { | |
1009 | switch( target[t] ) { | |
1010 | case 'R' : | |
1011 | case 'r' : | |
1012 | of << Form("fADCR (raw ADC data)\n"); | |
1013 | for( Int_t iadc = 0 ; iadc < fNADC; iadc++ ) { | |
1014 | of << Form(" ADC %02d: ", iadc); | |
1015 | for( Int_t it = 0 ; it < fNTimeBin ; it++ ) { | |
1016 | of << Form("% 4d", fADCR[iadc][it]); | |
1017 | } | |
1018 | of << Form("\n"); | |
1019 | } | |
1020 | break; | |
1021 | case 'F' : | |
1022 | case 'f' : | |
1023 | of << Form("fADCF (filtered ADC data)\n"); | |
1024 | for( Int_t iadc = 0 ; iadc < fNADC; iadc++ ) { | |
1025 | of << Form(" ADC %02d: ", iadc); | |
1026 | for( Int_t it = 0 ; it < fNTimeBin ; it++ ) { | |
1027 | of << Form("% 4d", fADCF[iadc][it]); | |
1028 | } | |
1029 | of << Form("\n"); | |
1030 | } | |
1031 | break; | |
1032 | case 'Z' : | |
1033 | case 'z' : | |
1034 | of << Form("fZSM and fZSM1Dim (Zero Suppression Map)\n"); | |
1035 | for( Int_t iadc = 0 ; iadc < fNADC; iadc++ ) { | |
1036 | of << Form(" ADC %02d: ", iadc); | |
1037 | if( fZSM1Dim[iadc] == 0 ) { of << " R " ; } else { of << " . "; } // R:read .:suppressed | |
1038 | for( Int_t it = 0 ; it < fNTimeBin ; it++ ) { | |
1039 | if( fZSM[iadc][it] == 0 ) { of << " R"; } else { of << " ."; } // R:read .:suppressed | |
1040 | } | |
1041 | of << Form("\n"); | |
1042 | } | |
1043 | break; | |
1044 | case 'S' : | |
1045 | case 's' : | |
1046 | Int_t s = ProduceRawStream( tempbuf, 1024 ); | |
1047 | of << Form("Stream for Raw Simulation size=%d rawver=%d\n", s, fFeeParam->GetRAWversion()); | |
1048 | of << Form(" address data\n"); | |
1049 | for( int i = 0 ; i < s ; i++ ) { | |
1050 | of << Form(" %04x %08x\n", i, tempbuf[i]); | |
1051 | } | |
dfd03fc3 | 1052 | } |
1053 | } | |
1054 | } | |
1055 | ||
b0a41e80 | 1056 | void AliTRDmcmSim::AddHitToFitreg(Int_t adc, UShort_t timebin, UShort_t qtot, Short_t ypos, Int_t label) |
dfd03fc3 | 1057 | { |
b0a41e80 | 1058 | // Add the given hit to the fit register which is lateron used for |
1059 | // the tracklet calculation. | |
1060 | // In addition to the fit sums in the fit register MC information | |
1061 | // is stored. | |
1062 | ||
1063 | if ((timebin >= fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPQS0)) && | |
1064 | (timebin < fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPQE0))) | |
1065 | fFitReg[adc].Q0 += qtot; | |
1066 | ||
1067 | if ((timebin >= fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPQS1)) && | |
1068 | (timebin < fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPQE1))) | |
1069 | fFitReg[adc].Q1 += qtot; | |
1070 | ||
1071 | if ((timebin >= fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPFS) ) && | |
1072 | (timebin < fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPFE))) | |
1073 | { | |
1074 | fFitReg[adc].SumX += timebin; | |
1075 | fFitReg[adc].SumX2 += timebin*timebin; | |
1076 | fFitReg[adc].Nhits++; | |
1077 | fFitReg[adc].SumY += ypos; | |
1078 | fFitReg[adc].SumY2 += ypos*ypos; | |
1079 | fFitReg[adc].SumXY += timebin*ypos; | |
1080 | } | |
1081 | ||
1082 | // register hits (MC info) | |
1083 | fHits[fNHits].channel = adc; | |
1084 | fHits[fNHits].qtot = qtot; | |
1085 | fHits[fNHits].ypos = ypos; | |
1086 | fHits[fNHits].timebin = timebin; | |
1087 | fHits[fNHits].label = label; | |
1088 | fNHits++; | |
1089 | } | |
dfd03fc3 | 1090 | |
b0a41e80 | 1091 | void AliTRDmcmSim::CalcFitreg() |
1092 | { | |
1093 | // Preprocessing. | |
1094 | // Detect the hits and fill the fit registers. | |
1095 | // Requires 12-bit data from fADCF which means Filter() | |
1096 | // has to be called before even if all filters are bypassed. | |
1097 | ||
1098 | //??? | |
1099 | // TRAP parameters: | |
1100 | const uint16_t LUT_POS[128] = { // move later to some other file | |
1101 | 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8, 8, 9, 9, 10, 10, 11, 11, 11, 12, 12, 13, 13, 14, 14, 15, 15, | |
1102 | 16, 16, 16, 17, 17, 18, 18, 19, 19, 19, 20, 20, 20, 21, 21, 22, 22, 22, 23, 23, 23, 24, 24, 24, 24, 25, 25, 25, 26, 26, 26, 26, | |
1103 | 27, 27, 27, 27, 27, 27, 27, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 27, 27, 27, 27, 26, | |
1104 | 26, 26, 26, 25, 25, 25, 24, 24, 23, 23, 22, 22, 21, 21, 20, 20, 19, 18, 18, 17, 17, 16, 15, 14, 13, 12, 11, 10, 9, 8, 7, 7}; | |
1105 | ||
1106 | //??? to be clarified: | |
1107 | UInt_t adc_mask = 0xfffff; | |
1108 | ||
1109 | UShort_t timebin, adcch, adc_left, adc_cent, adc_right, hit_qual, timebin1, timebin2, Qtot_tmp; | |
1110 | Short_t ypos, fromLeft, fromRight, found; | |
1111 | UShort_t Qtot[19]; // the last is dummy | |
1112 | UShort_t marked[6], Qmarked[6], worse1, worse2; | |
1113 | ||
1114 | timebin1 = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPFS); | |
1115 | if (fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPQS0) | |
1116 | < timebin1) | |
1117 | timebin1 = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPQS0); | |
1118 | timebin2 = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPFE); | |
1119 | if (fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPQE1) | |
1120 | > timebin2) | |
1121 | timebin2 = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPQE1); | |
1122 | ||
1123 | // reset the fit registers | |
1124 | fNHits = 0; | |
1125 | for (adcch = 0; adcch < fNADC-2; adcch++) // due to border channels | |
1126 | { | |
1127 | fFitReg[adcch].Nhits = 0; | |
1128 | fFitReg[adcch].Q0 = 0; | |
1129 | fFitReg[adcch].Q1 = 0; | |
1130 | fFitReg[adcch].SumX = 0; | |
1131 | fFitReg[adcch].SumY = 0; | |
1132 | fFitReg[adcch].SumX2 = 0; | |
1133 | fFitReg[adcch].SumY2 = 0; | |
1134 | fFitReg[adcch].SumXY = 0; | |
1135 | } | |
1136 | ||
1137 | for (timebin = timebin1; timebin < timebin2; timebin++) | |
1138 | { | |
1139 | // first find the hit candidates and store the total cluster charge in Qtot array | |
1140 | // in case of not hit store 0 there. | |
1141 | for (adcch = 0; adcch < fNADC-2; adcch++) { | |
1142 | if ( ( (adc_mask >> adcch) & 7) == 7) //??? all 3 channels are present in case of ZS | |
1143 | { | |
1144 | adc_left = fADCF[adcch ][timebin]; | |
1145 | adc_cent = fADCF[adcch+1][timebin]; | |
1146 | adc_right = fADCF[adcch+2][timebin]; | |
1147 | if (fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPVBY) == 1) | |
1148 | hit_qual = ( (adc_left * adc_right) < | |
1149 | (fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPVT) * adc_cent) ); | |
1150 | else | |
1151 | hit_qual = 1; | |
1152 | // The accumulated charge is with the pedestal!!! | |
1153 | Qtot_tmp = adc_left + adc_cent + adc_right; | |
1154 | if ( (hit_qual) && | |
1155 | (Qtot_tmp >= fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPHT)) && | |
1156 | (adc_left <= adc_cent) && | |
1157 | (adc_cent > adc_right) ) | |
1158 | Qtot[adcch] = Qtot_tmp; | |
1159 | else | |
1160 | Qtot[adcch] = 0; | |
1161 | //printf("ch %2d Qtot %5d\n",adcch, Qtot[adcch]); | |
1162 | } | |
1163 | else | |
1164 | Qtot[adcch] = 0; //jkl | |
1165 | } | |
dfd03fc3 | 1166 | |
b0a41e80 | 1167 | fromLeft = -1; |
1168 | adcch = 0; | |
1169 | found = 0; | |
1170 | marked[4] = 19; // invalid channel | |
1171 | marked[5] = 19; // invalid channel | |
1172 | Qtot[19] = 0; | |
1173 | while ((adcch < 16) && (found < 3)) | |
1174 | { | |
1175 | if (Qtot[adcch] > 0) | |
1176 | { | |
1177 | fromLeft = adcch; | |
1178 | marked[2*found+1]=adcch; | |
1179 | found++; | |
1180 | } | |
1181 | adcch++; | |
1182 | } | |
dfd03fc3 | 1183 | |
b0a41e80 | 1184 | fromRight = -1; |
1185 | adcch = 18; | |
1186 | found = 0; | |
1187 | while ((adcch > 2) && (found < 3)) | |
1188 | { | |
1189 | if (Qtot[adcch] > 0) | |
1190 | { | |
1191 | marked[2*found]=adcch; | |
1192 | found++; | |
1193 | fromRight = adcch; | |
1194 | } | |
1195 | adcch--; | |
1196 | } | |
dfd03fc3 | 1197 | |
b0a41e80 | 1198 | //printf("Fromleft=%d, Fromright=%d\n",fromLeft, fromRight); |
1199 | // here mask the hit candidates in the middle, if any | |
1200 | if ((fromLeft >= 0) && (fromRight >= 0) && (fromLeft < fromRight)) | |
1201 | for (adcch = fromLeft+1; adcch < fromRight; adcch++) | |
1202 | Qtot[adcch] = 0; | |
dfd03fc3 | 1203 | |
b0a41e80 | 1204 | found = 0; |
1205 | for (adcch = 0; adcch < 19; adcch++) | |
1206 | if (Qtot[adcch] > 0) found++; | |
1207 | // NOT READY | |
1208 | ||
1209 | if (found > 4) // sorting like in the TRAP in case of 5 or 6 candidates! | |
1210 | { | |
1211 | if (marked[4] == marked[5]) marked[5] = 19; | |
1212 | for (found=0; found<6; found++) | |
1213 | { | |
1214 | Qmarked[found] = Qtot[marked[found]] >> 4; | |
1215 | //printf("ch_%d Qtot %d Qtots %d |",marked[found],Qtot[marked[found]],Qmarked[found]); | |
1216 | } | |
1217 | //printf("\n"); | |
dfd03fc3 | 1218 | |
b0a41e80 | 1219 | Sort6To2Worst(marked[0], marked[3], marked[4], marked[1], marked[2], marked[5], |
1220 | Qmarked[0], | |
1221 | Qmarked[3], | |
1222 | Qmarked[4], | |
1223 | Qmarked[1], | |
1224 | Qmarked[2], | |
1225 | Qmarked[5], | |
1226 | &worse1, &worse2); | |
1227 | // Now mask the two channels with the smallest charge | |
1228 | if (worse1 < 19) | |
1229 | { | |
1230 | Qtot[worse1] = 0; | |
1231 | //printf("Kill ch %d\n",worse1); | |
1232 | } | |
1233 | if (worse2 < 19) | |
1234 | { | |
1235 | Qtot[worse2] = 0; | |
1236 | //printf("Kill ch %d\n",worse2); | |
1237 | } | |
1238 | } | |
1239 | ||
1240 | for (adcch = 0; adcch < 19; adcch++) { | |
1241 | if (Qtot[adcch] > 0) // the channel is marked for processing | |
1242 | { | |
1243 | adc_left = fADCF[adcch ][timebin]; | |
1244 | adc_cent = fADCF[adcch+1][timebin]; | |
1245 | adc_right = fADCF[adcch+2][timebin]; | |
1246 | // hit detected, in TRAP we have 4 units and a hit-selection, here we proceed all channels! | |
1247 | // subtract the pedestal TPFP, clipping instead of wrapping | |
1248 | ||
1249 | Int_t TPFP = fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPFP); | |
1250 | // printf("Hit found, time=%d, adcch=%d/%d/%d, adc values=%d/%d/%d, TPFP=%d, TPHT=%d\n", | |
1251 | // timebin, adcch, adcch+1, adcch+2, adc_left, adc_cent, adc_right, TPFP, | |
1252 | // fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPHT)); | |
1253 | ||
1254 | if (adc_left < TPFP) adc_left = 0; else adc_left -= TPFP; | |
1255 | if (adc_cent < TPFP) adc_cent = 0; else adc_cent -= TPFP; | |
1256 | if (adc_right < TPFP) adc_right = 0; else adc_right -= TPFP; | |
1257 | // Calculate the center of gravity | |
1258 | ypos = 128*(adc_left - adc_right) / adc_cent; | |
1259 | if (ypos < 0) ypos = -ypos; | |
1260 | // make the correction using the LUT | |
1261 | ypos = ypos + LUT_POS[ypos & 0x7F]; | |
1262 | if (adc_left > adc_right) ypos = -ypos; | |
1263 | AddHitToFitreg(adcch, timebin, Qtot[adcch], ypos, -1); | |
1264 | } | |
dfd03fc3 | 1265 | } |
1266 | } | |
1267 | } | |
1268 | ||
b0a41e80 | 1269 | void AliTRDmcmSim::TrackletSelection() |
dfd03fc3 | 1270 | { |
b0a41e80 | 1271 | // Select up to 4 tracklet candidates from the fit registers |
1272 | // and assign them to the CPUs. | |
1273 | ||
1274 | UShort_t adc_idx, i, j, ntracks, tmp; | |
1275 | UShort_t track_p[18][2]; // store the adcch[0] and number of hits[1] for all tracklet candidates | |
1276 | ||
1277 | ntracks = 0; | |
1278 | for (adc_idx = 0; adc_idx < 18; adc_idx++) // ADCs | |
1279 | if ( (fFitReg[adc_idx].Nhits | |
1280 | >= fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPCL)) && | |
1281 | (fFitReg[adc_idx].Nhits+fFitReg[adc_idx+1].Nhits | |
1282 | >= fTrapConfig->GetTrapReg(AliTRDtrapConfig::kTPCT))) | |
1283 | { | |
1284 | track_p[ntracks][0] = adc_idx; | |
1285 | track_p[ntracks][1] = fFitReg[adc_idx].Nhits+fFitReg[adc_idx+1].Nhits; | |
1286 | //printf("%d %2d %4d\n", ntracks, track_p[ntracks][0], track_p[ntracks][1]); | |
1287 | ntracks++; | |
1288 | }; | |
1289 | ||
1290 | // for (i=0; i<ntracks;i++) printf("%d %d %d\n",i,track_p[i][0], track_p[i][1]); | |
1291 | ||
1292 | if (ntracks > 4) | |
1293 | { | |
1294 | // primitive sorting according to the number of hits | |
1295 | for (j = 0; j < (ntracks-1); j++) | |
1296 | { | |
1297 | for (i = j+1; i < ntracks; i++) | |
1298 | { | |
1299 | if ( (track_p[j][1] < track_p[i][1]) || | |
1300 | ( (track_p[j][1] == track_p[i][1]) && (track_p[j][0] < track_p[i][0]) ) ) | |
1301 | { | |
1302 | // swap j & i | |
1303 | tmp = track_p[j][1]; | |
1304 | track_p[j][1] = track_p[i][1]; | |
1305 | track_p[i][1] = tmp; | |
1306 | tmp = track_p[j][0]; | |
1307 | track_p[j][0] = track_p[i][0]; | |
1308 | track_p[i][0] = tmp; | |
1309 | } | |
1310 | } | |
1311 | } | |
1312 | ntracks = 4; // cut the rest, 4 is the max | |
dfd03fc3 | 1313 | } |
b0a41e80 | 1314 | // else is not necessary to sort |
dfd03fc3 | 1315 | |
b0a41e80 | 1316 | // now sort, so that the first tracklet going to CPU0 corresponds to the highest adc channel - as in the TRAP |
1317 | for (j = 0; j < (ntracks-1); j++) | |
1318 | { | |
1319 | for (i = j+1; i < ntracks; i++) | |
1320 | { | |
1321 | if (track_p[j][0] < track_p[i][0]) | |
1322 | { | |
1323 | // swap j & i | |
1324 | tmp = track_p[j][1]; | |
1325 | track_p[j][1] = track_p[i][1]; | |
1326 | track_p[i][1] = tmp; | |
1327 | tmp = track_p[j][0]; | |
1328 | track_p[j][0] = track_p[i][0]; | |
1329 | track_p[i][0] = tmp; | |
1330 | } | |
dfd03fc3 | 1331 | } |
b0a41e80 | 1332 | } |
1333 | for (i = 0; i < ntracks; i++) // CPUs with tracklets. | |
1334 | fFitPtr[i] = track_p[i][0]; // pointer to the left channel with tracklet for CPU[i] | |
1335 | for (i = ntracks; i < 4; i++) // CPUs without tracklets | |
1336 | fFitPtr[i] = 31; // pointer to the left channel with tracklet for CPU[i] = 31 (invalid) | |
1337 | // printf("found %i tracklet candidates\n", ntracks); | |
1338 | } | |
dfd03fc3 | 1339 | |
b0a41e80 | 1340 | void AliTRDmcmSim::FitTracklet() |
1341 | { | |
1342 | // Perform the actual tracklet fit based on the fit sums | |
1343 | // which have been filled in the fit registers. | |
1344 | ||
1345 | // parameters in fitred.asm (fit program) | |
1346 | Int_t decPlaces = 5; | |
1347 | Int_t rndAdd = 0; | |
1348 | if (decPlaces > 1) | |
1349 | rndAdd = (1 << (decPlaces-1)) + 1; | |
1350 | else if (decPlaces == 1) | |
1351 | rndAdd = 1; | |
1352 | ||
1353 | // should come from trapConfig (DMEM) | |
1354 | AliTRDpadPlane *pp = fGeo->GetPadPlane(fDetector); | |
1355 | Long64_t shift = ((Long64_t) 1 << 32); | |
1356 | UInt_t scale_y = (UInt_t) (shift * (pp->GetWidthIPad() / (256 * 160e-4))); | |
1357 | UInt_t scale_d = (UInt_t) (shift * (pp->GetWidthIPad() / (256 * 140e-4))); | |
1358 | int padrow = fFeeParam->GetPadRowFromMCM(fRobPos, fMcmPos); | |
1359 | int yoffs = (fFeeParam->GetPadColFromADC(fRobPos, fMcmPos, 19) - fFeeParam->GetNcol()/2) << (8 + decPlaces); | |
1360 | int ndrift = 20; //??? value in simulation? | |
1361 | int defl_cor = 0; // -370; | |
1362 | int minslope = -10000; // no pt-cut so far | |
1363 | int maxslope = 10000; // no pt-cut so far | |
1364 | ||
1365 | // local variables for calculation | |
1366 | Long64_t mult, temp, denom; //??? | |
1367 | UInt_t q0, q1, qTotal; // charges in the two windows and total charge | |
1368 | UShort_t nHits; // number of hits | |
1369 | Int_t slope, offset; // slope and offset of the tracklet | |
1370 | Int_t sumX, sumY, sumXY, sumX2; // fit sums from fit registers | |
1371 | //int32_t SumY2; // not used in the current TRAP program | |
1372 | FitReg_t *fit0, *fit1; // pointers to relevant fit registers | |
1373 | ||
1374 | // const uint32_t OneDivN[32] = { // 2**31/N : exactly like in the TRAP, the simple division here gives the same result! | |
1375 | // 0x00000000, 0x80000000, 0x40000000, 0x2AAAAAA0, 0x20000000, 0x19999990, 0x15555550, 0x12492490, | |
1376 | // 0x10000000, 0x0E38E380, 0x0CCCCCC0, 0x0BA2E8B0, 0x0AAAAAA0, 0x09D89D80, 0x09249240, 0x08888880, | |
1377 | // 0x08000000, 0x07878780, 0x071C71C0, 0x06BCA1A0, 0x06666660, 0x06186180, 0x05D17450, 0x0590B210, | |
1378 | // 0x05555550, 0x051EB850, 0x04EC4EC0, 0x04BDA120, 0x04924920, 0x0469EE50, 0x04444440, 0x04210840}; | |
1379 | ||
1380 | for (Int_t cpu = 0; cpu < 4; cpu++) { | |
1381 | if (fFitPtr[cpu] == 31) | |
1382 | { | |
1383 | fMCMT[cpu] = 0x10001000; //??? AliTRDfeeParam::GetTrackletEndmarker(); | |
dfd03fc3 | 1384 | } |
b0a41e80 | 1385 | else |
1386 | { | |
1387 | fit0 = &fFitReg[fFitPtr[cpu] ]; | |
1388 | fit1 = &fFitReg[fFitPtr[cpu]+1]; // next channel | |
1389 | ||
1390 | mult = 1; | |
1391 | mult = mult << (32 + decPlaces); | |
1392 | mult = -mult; | |
1393 | ||
1394 | // Merging | |
1395 | nHits = fit0->Nhits + fit1->Nhits; // number of hits | |
1396 | sumX = fit0->SumX + fit1->SumX; | |
1397 | sumX2 = fit0->SumX2 + fit1->SumX2; | |
1398 | denom = nHits*sumX2 - sumX*sumX; | |
1399 | ||
1400 | mult = mult / denom; // exactly like in the TRAP program | |
1401 | q0 = fit0->Q0 + fit1->Q0; | |
1402 | q1 = fit0->Q1 + fit1->Q1; | |
1403 | sumY = fit0->SumY + fit1->SumY + 256*fit1->Nhits; | |
1404 | sumXY = fit0->SumXY + fit1->SumXY + 256*fit1->SumX; | |
1405 | ||
1406 | slope = nHits*sumXY - sumX * sumY; | |
1407 | offset = sumX2*sumY - sumX * sumXY; | |
1408 | temp = mult * slope; | |
1409 | slope = temp >> 32; // take the upper 32 bits | |
1410 | temp = mult * offset; | |
1411 | offset = temp >> 32; // take the upper 32 bits | |
1412 | ||
1413 | offset = offset + yoffs + (18 << (8 + decPlaces)); | |
1414 | slope = slope * ndrift + defl_cor; | |
1415 | offset = offset - (fFitPtr[cpu] << (8 + decPlaces)); | |
1416 | ||
1417 | if ((slope < minslope) || (slope > maxslope)) | |
1418 | { | |
1419 | fMCMT[cpu] = 0x10001000; //??? AliTRDfeeParam::GetTrackletEndmarker(); | |
1420 | } | |
1421 | else | |
1422 | { | |
1423 | temp = slope; | |
1424 | temp = temp * scale_d; | |
1425 | slope = (temp >> 32); | |
1426 | ||
1427 | temp = offset; | |
1428 | temp = temp * scale_y; | |
1429 | offset = (temp >> 32); | |
1430 | ||
1431 | // rounding, like in the TRAP | |
1432 | slope = (slope + rndAdd) >> decPlaces; | |
1433 | offset = (offset + rndAdd) >> decPlaces; | |
1434 | ||
1435 | if (slope > 0x3f || slope < -0x3f) | |
1436 | AliWarning("Overflow in slope"); | |
1437 | slope = slope & 0x7F; // 7 bit | |
1438 | ||
1439 | if (offset > 0xfff || offset < 0xfff) | |
1440 | AliWarning("Overflow in offset"); | |
1441 | offset = offset & 0x1FFF; // 13 bit | |
1442 | ||
1443 | qTotal = (q1 / nHits) >> 1; | |
1444 | if (qTotal > 0xff) | |
1445 | AliWarning("Overflow in charge"); | |
1446 | qTotal = qTotal & 0xFF; // 8 bit, exactly like in the TRAP program | |
1447 | ||
1448 | // assemble and store the tracklet word | |
1449 | fMCMT[cpu] = (qTotal << 24) | (padrow << 20) | (slope << 13) | offset; | |
1450 | new ((*fTrackletArray)[cpu]) AliTRDtrackletMCM((UInt_t) fMCMT[cpu], fDetector*2 + fRobPos%2, fRobPos, fMcmPos); | |
1451 | } | |
dfd03fc3 | 1452 | } |
dfd03fc3 | 1453 | } |
1454 | } | |
1455 | ||
b0a41e80 | 1456 | void AliTRDmcmSim::Tracklet() |
dfd03fc3 | 1457 | { |
b0a41e80 | 1458 | if (!fInitialized) { |
1459 | AliError("Called uninitialized! Aborting!"); | |
1460 | return; | |
dfd03fc3 | 1461 | } |
1462 | ||
b0a41e80 | 1463 | fTrackletArray->Delete(); |
dfd03fc3 | 1464 | |
b0a41e80 | 1465 | CalcFitreg(); |
1466 | TrackletSelection(); | |
1467 | FitTracklet(); | |
dfd03fc3 | 1468 | |
b0a41e80 | 1469 | AliRunLoader *rl = AliRunLoader::Instance(); |
1470 | AliDataLoader *dl = 0x0; | |
1471 | if (rl) | |
1472 | dl = rl->GetLoader("TRDLoader")->GetDataLoader("tracklets"); | |
1473 | if (!dl) { | |
1474 | AliError("Could not get the tracklets data loader!"); | |
dfd03fc3 | 1475 | } |
b0a41e80 | 1476 | else { |
1477 | TTree *trackletTree = dl->Tree(); | |
1478 | if (!trackletTree) | |
1479 | dl->MakeTree(); | |
1480 | trackletTree = dl->Tree(); | |
1481 | ||
1482 | AliTRDtrackletMCM *trkl = 0x0; | |
1483 | TBranch *trkbranch = trackletTree->GetBranch("mcmtrklbranch"); | |
1484 | if (!trkbranch) | |
1485 | trkbranch = trackletTree->Branch("mcmtrklbranch", "AliTRDtrackletMCM", &trkl, 32000); | |
1486 | // trkbranch = trackletTree->Branch("mcmtrklbranch", &fTrackletArray, 32000, 2); | |
dfd03fc3 | 1487 | |
b0a41e80 | 1488 | for (Int_t iTracklet = 0; iTracklet < fTrackletArray->GetEntriesFast(); iTracklet++) { |
1489 | trkl = ((AliTRDtrackletMCM*) (*fTrackletArray)[iTracklet]); | |
1490 | trkbranch->SetAddress(&trkl); | |
1491 | // printf("filling tracklet 0x%08x\n", trkl->GetTrackletWord()); | |
1492 | trkbranch->Fill(); | |
1493 | } | |
1494 | dl->WriteData("OVERWRITE"); | |
1495 | } | |
dfd03fc3 | 1496 | } |
1497 | ||
b0a41e80 | 1498 | void AliTRDmcmSim::WriteData(AliTRDarrayADC *digits) |
dfd03fc3 | 1499 | { |
b0a41e80 | 1500 | // write back the processed data configured by EBSF |
1501 | // EBSF = 1: unfiltered data; EBSF = 0: filtered data | |
1502 | // zero-suppressed valued are written as -1 to digits | |
dfd03fc3 | 1503 | |
b0a41e80 | 1504 | if (!fInitialized) { |
1505 | AliError("Called uninitialized! Aborting!"); | |
1506 | return; | |
dfd03fc3 | 1507 | } |
1508 | ||
b0a41e80 | 1509 | Int_t firstAdc = 0; |
1510 | Int_t lastAdc = fNADC - 1; | |
dfd03fc3 | 1511 | |
b0a41e80 | 1512 | if (GetCol(firstAdc) > 143) |
1513 | firstAdc = 1; | |
dfd03fc3 | 1514 | |
b0a41e80 | 1515 | if (GetCol(lastAdc) < 0) |
1516 | lastAdc = fNADC - 2; | |
dfd03fc3 | 1517 | |
b0a41e80 | 1518 | if (fTrapConfig->GetTrapReg(AliTRDtrapConfig::kEBSF) != 0) // store unfiltered data |
1519 | { | |
1520 | for (Int_t iAdc = firstAdc; iAdc < lastAdc; iAdc++) { | |
1521 | if (fZSM1Dim[iAdc] == 1) { | |
1522 | for (Int_t iTimeBin = 0; iTimeBin < fNTimeBin; iTimeBin++) { | |
1523 | digits->SetData(GetRow(), GetCol(iAdc), iTimeBin, -1); | |
1524 | // printf("suppressed: %i, %i, %i, %i, now: %i\n", fDetector, GetRow(), GetCol(iAdc), iTimeBin, | |
1525 | // digits->GetData(GetRow(), GetCol(iAdc), iTimeBin)); | |
1526 | } | |
1527 | } | |
1528 | } | |
1529 | } | |
1530 | else { | |
1531 | for (Int_t iAdc = firstAdc; iAdc < lastAdc; iAdc++) { | |
1532 | if (fZSM1Dim[iAdc] == 0) { | |
1533 | for (Int_t iTimeBin = 0; iTimeBin < fNTimeBin; iTimeBin++) { | |
1534 | digits->SetData(GetRow(), GetCol(iAdc), iTimeBin, fADCF[iAdc][iTimeBin] >> fgkAddDigits); | |
1535 | } | |
1536 | } | |
1537 | else { | |
1538 | for (Int_t iTimeBin = 0; iTimeBin < fNTimeBin; iTimeBin++) { | |
1539 | digits->SetData(GetRow(), GetCol(iAdc), iTimeBin, -1); | |
1540 | // printf("suppressed: %i, %i, %i, %i\n", fDetector, GetRow(), GetCol(iAdc), iTimeBin); | |
1541 | } | |
1542 | } | |
1543 | } | |
dfd03fc3 | 1544 | } |
b0a41e80 | 1545 | } |
dfd03fc3 | 1546 | |
b0a41e80 | 1547 | // help functions, to be cleaned up |
1548 | ||
1549 | UInt_t AliTRDmcmSim::AddUintClipping(UInt_t a, UInt_t b, UInt_t nbits) | |
1550 | { | |
1551 | // | |
1552 | // This function adds a and b (unsigned) and clips to | |
1553 | // the specified number of bits. | |
1554 | // | |
1555 | ||
1556 | UInt_t sum = a + b; | |
1557 | if (nbits < 32) | |
1558 | { | |
1559 | UInt_t maxv = (1 << nbits) - 1;; | |
1560 | if (sum > maxv) | |
1561 | sum = maxv; | |
1562 | } | |
1563 | else | |
1564 | { | |
1565 | if ((sum < a) || (sum < b)) | |
1566 | sum = 0xFFFFFFFF; | |
1567 | } | |
1568 | return sum; | |
dfd03fc3 | 1569 | } |
1570 | ||
b0a41e80 | 1571 | void AliTRDmcmSim::Sort2(uint16_t idx1i, uint16_t idx2i, \ |
1572 | uint16_t val1i, uint16_t val2i, \ | |
1573 | uint16_t *idx1o, uint16_t *idx2o, \ | |
1574 | uint16_t *val1o, uint16_t *val2o) | |
dfd03fc3 | 1575 | { |
dfd03fc3 | 1576 | |
b0a41e80 | 1577 | if (val1i > val2i) |
1578 | { | |
1579 | *idx1o = idx1i; | |
1580 | *idx2o = idx2i; | |
1581 | *val1o = val1i; | |
1582 | *val2o = val2i; | |
1583 | } | |
1584 | else | |
1585 | { | |
1586 | *idx1o = idx2i; | |
1587 | *idx2o = idx1i; | |
1588 | *val1o = val2i; | |
1589 | *val2o = val1i; | |
1590 | } | |
1591 | } | |
1592 | ||
1593 | void AliTRDmcmSim::Sort3(uint16_t idx1i, uint16_t idx2i, uint16_t idx3i, \ | |
1594 | uint16_t val1i, uint16_t val2i, uint16_t val3i, \ | |
1595 | uint16_t *idx1o, uint16_t *idx2o, uint16_t *idx3o, \ | |
1596 | uint16_t *val1o, uint16_t *val2o, uint16_t *val3o) | |
1597 | { | |
1598 | int sel; | |
dfd03fc3 | 1599 | |
dfd03fc3 | 1600 | |
b0a41e80 | 1601 | if (val1i > val2i) sel=4; else sel=0; |
1602 | if (val2i > val3i) sel=sel + 2; | |
1603 | if (val3i > val1i) sel=sel + 1; | |
1604 | //printf("input channels %d %d %d, charges %d %d %d sel=%d\n",idx1i, idx2i, idx3i, val1i, val2i, val3i, sel); | |
1605 | switch(sel) | |
1606 | { | |
1607 | case 6 : // 1 > 2 > 3 => 1 2 3 | |
1608 | case 0 : // 1 = 2 = 3 => 1 2 3 : in this case doesn't matter, but so is in hardware! | |
1609 | *idx1o = idx1i; | |
1610 | *idx2o = idx2i; | |
1611 | *idx3o = idx3i; | |
1612 | *val1o = val1i; | |
1613 | *val2o = val2i; | |
1614 | *val3o = val3i; | |
1615 | break; | |
1616 | ||
1617 | case 4 : // 1 > 2, 2 <= 3, 3 <= 1 => 1 3 2 | |
1618 | *idx1o = idx1i; | |
1619 | *idx2o = idx3i; | |
1620 | *idx3o = idx2i; | |
1621 | *val1o = val1i; | |
1622 | *val2o = val3i; | |
1623 | *val3o = val2i; | |
1624 | break; | |
1625 | ||
1626 | case 2 : // 1 <= 2, 2 > 3, 3 <= 1 => 2 1 3 | |
1627 | *idx1o = idx2i; | |
1628 | *idx2o = idx1i; | |
1629 | *idx3o = idx3i; | |
1630 | *val1o = val2i; | |
1631 | *val2o = val1i; | |
1632 | *val3o = val3i; | |
1633 | break; | |
1634 | ||
1635 | case 3 : // 1 <= 2, 2 > 3, 3 > 1 => 2 3 1 | |
1636 | *idx1o = idx2i; | |
1637 | *idx2o = idx3i; | |
1638 | *idx3o = idx1i; | |
1639 | *val1o = val2i; | |
1640 | *val2o = val3i; | |
1641 | *val3o = val1i; | |
1642 | break; | |
1643 | ||
1644 | case 1 : // 1 <= 2, 2 <= 3, 3 > 1 => 3 2 1 | |
1645 | *idx1o = idx3i; | |
1646 | *idx2o = idx2i; | |
1647 | *idx3o = idx1i; | |
1648 | *val1o = val3i; | |
1649 | *val2o = val2i; | |
1650 | *val3o = val1i; | |
1651 | break; | |
1652 | ||
1653 | case 5 : // 1 > 2, 2 <= 3, 3 > 1 => 3 1 2 | |
1654 | *idx1o = idx3i; | |
1655 | *idx2o = idx1i; | |
1656 | *idx3o = idx2i; | |
1657 | *val1o = val3i; | |
1658 | *val2o = val1i; | |
1659 | *val3o = val2i; | |
1660 | break; | |
1661 | ||
1662 | default: // the rest should NEVER happen! | |
1663 | printf("ERROR in Sort3!!!\n"); | |
1664 | break; | |
1665 | } | |
1666 | // printf("output channels %d %d %d, charges %d %d %d \n",*idx1o, *idx2o, *idx3o, *val1o, *val2o, *val3o); | |
1667 | } | |
dfd03fc3 | 1668 | |
b0a41e80 | 1669 | void AliTRDmcmSim::Sort6To4(uint16_t idx1i, uint16_t idx2i, uint16_t idx3i, uint16_t idx4i, uint16_t idx5i, uint16_t idx6i, \ |
1670 | uint16_t val1i, uint16_t val2i, uint16_t val3i, uint16_t val4i, uint16_t val5i, uint16_t val6i, \ | |
1671 | uint16_t *idx1o, uint16_t *idx2o, uint16_t *idx3o, uint16_t *idx4o, \ | |
1672 | uint16_t *val1o, uint16_t *val2o, uint16_t *val3o, uint16_t *val4o) | |
1673 | { | |
dfd03fc3 | 1674 | |
b0a41e80 | 1675 | uint16_t idx21s, idx22s, idx23s, dummy; |
1676 | uint16_t val21s, val22s, val23s; | |
1677 | uint16_t idx23as, idx23bs; | |
1678 | uint16_t val23as, val23bs; | |
dfd03fc3 | 1679 | |
b0a41e80 | 1680 | Sort3(idx1i, idx2i, idx3i, val1i, val2i, val3i, |
1681 | idx1o, &idx21s, &idx23as, | |
1682 | val1o, &val21s, &val23as); | |
dfd03fc3 | 1683 | |
b0a41e80 | 1684 | Sort3(idx4i, idx5i, idx6i, val4i, val5i, val6i, |
1685 | idx2o, &idx22s, &idx23bs, | |
1686 | val2o, &val22s, &val23bs); | |
1687 | ||
1688 | Sort2(idx23as, idx23bs, val23as, val23bs, &idx23s, &dummy, &val23s, &dummy); | |
1689 | ||
1690 | Sort3(idx21s, idx22s, idx23s, val21s, val22s, val23s, | |
1691 | idx3o, idx4o, &dummy, | |
1692 | val3o, val4o, &dummy); | |
dfd03fc3 | 1693 | |
dfd03fc3 | 1694 | } |
1695 | ||
b0a41e80 | 1696 | void AliTRDmcmSim::Sort6To2Worst(uint16_t idx1i, uint16_t idx2i, uint16_t idx3i, uint16_t idx4i, uint16_t idx5i, uint16_t idx6i, \ |
1697 | uint16_t val1i, uint16_t val2i, uint16_t val3i, uint16_t val4i, uint16_t val5i, uint16_t val6i, \ | |
1698 | uint16_t *idx5o, uint16_t *idx6o) | |
1699 | { | |
1d93b218 | 1700 | |
b0a41e80 | 1701 | uint16_t idx21s, idx22s, idx23s, dummy1, dummy2, dummy3, dummy4, dummy5; |
1702 | uint16_t val21s, val22s, val23s; | |
1703 | uint16_t idx23as, idx23bs; | |
1704 | uint16_t val23as, val23bs; | |
1d93b218 | 1705 | |
b0a41e80 | 1706 | Sort3(idx1i, idx2i, idx3i, val1i, val2i, val3i, |
1707 | &dummy1, &idx21s, &idx23as, | |
1708 | &dummy2, &val21s, &val23as); | |
1d93b218 | 1709 | |
b0a41e80 | 1710 | Sort3(idx4i, idx5i, idx6i, val4i, val5i, val6i, |
1711 | &dummy1, &idx22s, &idx23bs, | |
1712 | &dummy2, &val22s, &val23bs); | |
1d93b218 | 1713 | |
b0a41e80 | 1714 | Sort2(idx23as, idx23bs, val23as, val23bs, &idx23s, idx5o, &val23s, &dummy1); |
b65e5048 | 1715 | |
b0a41e80 | 1716 | Sort3(idx21s, idx22s, idx23s, val21s, val22s, val23s, |
1717 | &dummy1, &dummy2, idx6o, | |
1718 | &dummy3, &dummy4, &dummy5); | |
1719 | // printf("idx21s=%d, idx23as=%d, idx22s=%d, idx23bs=%d, idx5o=%d, idx6o=%d\n", | |
1720 | // idx21s, idx23as, idx22s, idx23bs, *idx5o, *idx6o); | |
0d64b05f | 1721 | } |
1d93b218 | 1722 |