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b0f5e3fc | 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 | **************************************************************************/ | |
5c5273c2 | 15 | |
88cb7938 | 16 | /* $Id$ */ |
b0f5e3fc | 17 | |
4ae5bbc4 | 18 | #include <Riostream.h> |
b0f5e3fc | 19 | #include <stdlib.h> |
20 | #include <stdio.h> | |
29e923a3 | 21 | #include <cstring> |
1ca7869b | 22 | |
ece86d9a | 23 | #include <TCanvas.h> |
24 | #include <TF1.h> | |
1ca7869b | 25 | #include <TH1.h> |
26 | #include <TFile.h> | |
e939a978 | 27 | #include <TRandom.h> |
a1e17193 | 28 | #include <TROOT.h> |
e8189707 | 29 | #include "AliITS.h" |
e8189707 | 30 | #include "AliITSMapA2.h" |
e8189707 | 31 | #include "AliITSRawData.h" |
f77f13c8 | 32 | #include "AliITSdigitSPD.h" |
33 | #include "AliITSetfSDD.h" | |
f77f13c8 | 34 | #include "AliITSmodule.h" |
bee7f138 | 35 | #include "AliITShit.h" |
f77f13c8 | 36 | #include "AliITSpList.h" |
fcf95fc7 | 37 | #include "AliITSCalibrationSDD.h" |
dfd6be22 | 38 | #include "AliITSresponseSDD.h" |
1ca7869b | 39 | #include "AliITSsimulationSDD.h" |
f77f13c8 | 40 | #include "AliLog.h" |
41 | #include "AliRun.h" | |
b0f5e3fc | 42 | |
b0f5e3fc | 43 | ClassImp(AliITSsimulationSDD) |
44 | //////////////////////////////////////////////////////////////////////// | |
8ba39da9 | 45 | // Version: 0 // |
46 | // Written by Piergiorgio Cerello // | |
47 | // November 23 1999 // | |
48 | // // | |
49 | // AliITSsimulationSDD is the simulation of SDDs. // | |
50 | //////////////////////////////////////////////////////////////////////// | |
51 | ||
8a33ae9e | 52 | //______________________________________________________________________ |
aacedc3e | 53 | AliITSsimulationSDD::AliITSsimulationSDD(): |
54 | AliITSsimulation(), | |
55 | fITS(0), | |
56 | fHitMap2(0), | |
57 | fHitSigMap2(0), | |
58 | fHitNoiMap2(0), | |
aacedc3e | 59 | fElectronics(0), |
60 | fInZR(0), | |
61 | fInZI(0), | |
62 | fOutZR(0), | |
63 | fOutZI(0), | |
64 | fAnodeFire(0), | |
65 | fHis(0), | |
aacedc3e | 66 | fFlag(kFALSE), |
aacedc3e | 67 | fCrosstalkFlag(kFALSE), |
68 | fDoFFT(1), | |
69 | fNofMaps(0), | |
70 | fMaxNofSamples(0), | |
71 | fScaleSize(0){ | |
72 | // Default constructor | |
aacedc3e | 73 | SetPerpendTracksFlag(); |
74 | SetCrosstalkFlag(); | |
75 | SetDoFFT(); | |
b0f5e3fc | 76 | } |
8a33ae9e | 77 | //______________________________________________________________________ |
7537d03c | 78 | AliITSsimulationSDD::AliITSsimulationSDD(const AliITSsimulationSDD &source) : |
79 | AliITSsimulation(source), | |
80 | fITS(source.fITS), | |
81 | fHitMap2(source.fHitMap2), | |
82 | fHitSigMap2(source.fHitSigMap2), | |
83 | fHitNoiMap2(source.fHitNoiMap2), | |
7537d03c | 84 | fElectronics(source.fElectronics), |
85 | fInZR(source.fInZR), | |
86 | fInZI(source.fInZI), | |
87 | fOutZR(source.fOutZR), | |
88 | fOutZI(source.fOutZI), | |
89 | fAnodeFire(source.fAnodeFire), | |
90 | fHis(source.fHis), | |
7537d03c | 91 | fFlag(source.fFlag), |
7537d03c | 92 | fCrosstalkFlag(source.fCrosstalkFlag), |
93 | fDoFFT(source.fDoFFT), | |
94 | fNofMaps(source.fNofMaps), | |
95 | fMaxNofSamples(source.fMaxNofSamples), | |
96 | fScaleSize(source.fScaleSize){ | |
aacedc3e | 97 | // Copy constructor to satify Coding roules only. |
8a33ae9e | 98 | |
b0f5e3fc | 99 | } |
8a33ae9e | 100 | //______________________________________________________________________ |
d2f55a22 | 101 | AliITSsimulationSDD& AliITSsimulationSDD::operator=(const AliITSsimulationSDD &src){ |
102 | // Assignment operator to satify Coding roules only. | |
103 | ||
104 | if(this==&src) return *this; | |
105 | Error("AliITSsimulationSDD","Not allowed to make a = with " | |
106 | "AliITSsimulationSDD Using default creater instead"); | |
107 | return *this ; | |
108 | } | |
85f5e9c2 | 109 | /* |
d2f55a22 | 110 | //______________________________________________________________________ |
5402d9ca | 111 | AliITSsimulation& AliITSsimulationSDD::operator=(const AliITSsimulation &src){ |
aacedc3e | 112 | // Assignment operator to satify Coding roules only. |
8a33ae9e | 113 | |
aacedc3e | 114 | if(this==&src) return *this; |
115 | Error("AliITSsimulationSSD","Not allowed to make a = with " | |
116 | "AliITSsimulationSDD Using default creater instead"); | |
117 | return *this ; | |
b0f5e3fc | 118 | } |
85f5e9c2 | 119 | */ |
8a33ae9e | 120 | //______________________________________________________________________ |
8ba39da9 | 121 | AliITSsimulationSDD::AliITSsimulationSDD(AliITSDetTypeSim* dettyp): |
122 | AliITSsimulation(dettyp), | |
aacedc3e | 123 | fITS(0), |
124 | fHitMap2(0), | |
125 | fHitSigMap2(0), | |
126 | fHitNoiMap2(0), | |
aacedc3e | 127 | fElectronics(0), |
128 | fInZR(0), | |
129 | fInZI(0), | |
130 | fOutZR(0), | |
131 | fOutZI(0), | |
132 | fAnodeFire(0), | |
133 | fHis(0), | |
aacedc3e | 134 | fFlag(kFALSE), |
aacedc3e | 135 | fCrosstalkFlag(kFALSE), |
136 | fDoFFT(1), | |
137 | fNofMaps(0), | |
138 | fMaxNofSamples(0), | |
139 | fScaleSize(0){ | |
f45f6658 | 140 | // Default Constructor |
141 | Init(); | |
c7a4dac0 | 142 | } |
143 | //______________________________________________________________________ | |
aacedc3e | 144 | void AliITSsimulationSDD::Init(){ |
145 | // Standard Constructor | |
146 | ||
dee45d79 | 147 | AliITSsegmentationSDD* seg = (AliITSsegmentationSDD*)GetSegmentationModel(1); |
148 | fScaleSize = ScaleFourier(seg); | |
aacedc3e | 149 | SetPerpendTracksFlag(); |
150 | SetCrosstalkFlag(); | |
151 | SetDoFFT(); | |
aacedc3e | 152 | |
cd2a0045 | 153 | AliITSSimuParam* simpar = fDetType->GetSimuParam(); |
8ba39da9 | 154 | fpList = new AliITSpList( seg->Npz(), |
155 | fScaleSize*seg->Npx() ); | |
156 | fHitSigMap2 = new AliITSMapA2(seg,fScaleSize,1); | |
157 | fHitNoiMap2 = new AliITSMapA2(seg,fScaleSize,1); | |
aacedc3e | 158 | fHitMap2 = fHitSigMap2; |
159 | ||
8ba39da9 | 160 | fNofMaps = seg->Npz(); |
161 | fMaxNofSamples = seg->Npx(); | |
aacedc3e | 162 | fAnodeFire = new Bool_t [fNofMaps]; |
43217ad9 | 163 | |
8ba39da9 | 164 | Float_t sddWidth = seg->Dz(); |
f6b6d58e | 165 | Float_t anodePitch = seg->Dpz(0); |
166 | Double_t timeStep = (Double_t)seg->Dpx(0); | |
aacedc3e | 167 | |
168 | if(anodePitch*(fNofMaps/2) > sddWidth) { | |
a72dbdfe | 169 | AliWarning(Form("Too many anodes %d or too big pitch %f ", |
170 | fNofMaps/2,anodePitch)); | |
aacedc3e | 171 | } // end if |
b0f5e3fc | 172 | |
b0f5e3fc | 173 | |
aacedc3e | 174 | fElectronics = new AliITSetfSDD(timeStep/fScaleSize, |
cd2a0045 | 175 | simpar->GetSDDElectronics()); |
b0f5e3fc | 176 | |
aacedc3e | 177 | |
aacedc3e | 178 | fITS = (AliITS*)gAlice->GetModule("ITS"); |
20f3f947 | 179 | |
aacedc3e | 180 | fInZR = new Double_t [fScaleSize*fMaxNofSamples]; |
181 | fInZI = new Double_t [fScaleSize*fMaxNofSamples]; | |
182 | fOutZR = new Double_t [fScaleSize*fMaxNofSamples]; | |
183 | fOutZI = new Double_t [fScaleSize*fMaxNofSamples]; | |
b0f5e3fc | 184 | } |
8a33ae9e | 185 | //______________________________________________________________________ |
b0f5e3fc | 186 | AliITSsimulationSDD::~AliITSsimulationSDD() { |
aacedc3e | 187 | // destructor |
188 | ||
189 | // delete fpList; | |
190 | delete fHitSigMap2; | |
191 | delete fHitNoiMap2; | |
aacedc3e | 192 | delete fElectronics; |
193 | ||
194 | fITS = 0; | |
195 | ||
196 | if (fHis) { | |
197 | fHis->Delete(); | |
198 | delete fHis; | |
199 | } // end if fHis | |
aacedc3e | 200 | if(fInZR) delete [] fInZR; |
201 | if(fInZI) delete [] fInZI; | |
202 | if(fOutZR) delete [] fOutZR; | |
203 | if(fOutZI) delete [] fOutZI; | |
204 | if(fAnodeFire) delete [] fAnodeFire; | |
b0f5e3fc | 205 | } |
8a33ae9e | 206 | //______________________________________________________________________ |
50d05d7b | 207 | void AliITSsimulationSDD::InitSimulationModule( Int_t module, Int_t event ) { |
aacedc3e | 208 | // create maps to build the lists of tracks for each summable digit |
209 | fModule = module; | |
210 | fEvent = event; | |
211 | ClearMaps(); | |
212 | memset(fAnodeFire,0,sizeof(Bool_t)*fNofMaps); | |
50d05d7b | 213 | } |
214 | //______________________________________________________________________ | |
215 | void AliITSsimulationSDD::ClearMaps() { | |
aacedc3e | 216 | // clear maps |
217 | fpList->ClearMap(); | |
218 | fHitSigMap2->ClearMap(); | |
219 | fHitNoiMap2->ClearMap(); | |
50d05d7b | 220 | } |
20f3f947 | 221 | //______________________________________________________________________ |
222 | void AliITSsimulationSDD::FastFourierTransform(Double_t *real, | |
223 | Double_t *imag,Int_t direction) { | |
224 | // Do a Fast Fourier Transform | |
225 | ||
226 | Int_t samples = fElectronics->GetSamples(); | |
227 | Int_t l = (Int_t) ((log((Float_t) samples)/log(2.))+0.5); | |
228 | Int_t m1 = samples; | |
229 | Int_t m = samples/2; | |
230 | Int_t m2 = samples/m1; | |
231 | Int_t i,j,k; | |
232 | for(i=1; i<=l; i++) { | |
233 | for(j=0; j<samples; j += m1) { | |
234 | Int_t p = 0; | |
235 | for(k=j; k<= j+m-1; k++) { | |
236 | Double_t wsr = fElectronics->GetWeightReal(p); | |
237 | Double_t wsi = fElectronics->GetWeightImag(p); | |
238 | if(direction == -1) wsi = -wsi; | |
239 | Double_t xr = *(real+k+m); | |
240 | Double_t xi = *(imag+k+m); | |
241 | *(real+k+m) = wsr*(*(real+k)-xr) - wsi*(*(imag+k)-xi); | |
242 | *(imag+k+m) = wsr*(*(imag+k)-xi) + wsi*(*(real+k)-xr); | |
243 | *(real+k) += xr; | |
244 | *(imag+k) += xi; | |
245 | p += m2; | |
246 | } // end for k | |
247 | } // end for j | |
248 | m1 = m; | |
249 | m /= 2; | |
250 | m2 += m2; | |
251 | } // end for i | |
20f3f947 | 252 | for(j=0; j<samples; j++) { |
253 | Int_t j1 = j; | |
254 | Int_t p = 0; | |
255 | Int_t i1; | |
256 | for(i1=1; i1<=l; i1++) { | |
257 | Int_t j2 = j1; | |
258 | j1 /= 2; | |
259 | p = p + p + j2 - j1 - j1; | |
260 | } // end for i1 | |
261 | if(p >= j) { | |
262 | Double_t xr = *(real+j); | |
263 | Double_t xi = *(imag+j); | |
264 | *(real+j) = *(real+p); | |
265 | *(imag+j) = *(imag+p); | |
266 | *(real+p) = xr; | |
267 | *(imag+p) = xi; | |
268 | } // end if p>=j | |
269 | } // end for j | |
270 | if(direction == -1) { | |
271 | for(i=0; i<samples; i++) { | |
272 | *(real+i) /= samples; | |
273 | *(imag+i) /= samples; | |
274 | } // end for i | |
275 | } // end if direction == -1 | |
276 | return; | |
277 | } | |
278 | ||
50d05d7b | 279 | //______________________________________________________________________ |
aacedc3e | 280 | void AliITSsimulationSDD::SDigitiseModule(AliITSmodule *mod,Int_t md,Int_t ev){ |
281 | // digitize module using the "slow" detector simulator creating | |
282 | // summable digits. | |
283 | ||
284 | TObjArray *fHits = mod->GetHits(); | |
285 | Int_t nhits = fHits->GetEntriesFast(); | |
286 | if( !nhits ) return; | |
287 | ||
288 | InitSimulationModule( md, ev ); | |
5683bd96 | 289 | HitsToAnalogDigits( mod ); // fills fHitMap2 which is = fHitSigmap2 |
290 | ChargeToSignal( fModule,kFALSE,kTRUE ); // - Process signal adding gain without adding noise | |
aacedc3e | 291 | fHitMap2 = fHitNoiMap2; // - Swap to noise map |
5683bd96 | 292 | ChargeToSignal( fModule,kTRUE,kFALSE ); // - Process only noise |
aacedc3e | 293 | fHitMap2 = fHitSigMap2; // - Return to signal map |
294 | WriteSDigits(); | |
295 | ClearMaps(); | |
50d05d7b | 296 | } |
297 | //______________________________________________________________________ | |
aacedc3e | 298 | Bool_t AliITSsimulationSDD::AddSDigitsToModule(TClonesArray *pItemArray, |
299 | Int_t mask ) { | |
300 | // Add Summable digits to module maps. | |
cd2a0045 | 301 | AliITSSimuParam* simpar = fDetType->GetSimuParam(); |
aacedc3e | 302 | Int_t nItems = pItemArray->GetEntries(); |
cd2a0045 | 303 | Double_t maxadc = simpar->GetSDDMaxAdc(); |
aacedc3e | 304 | Bool_t sig = kFALSE; |
48058160 | 305 | |
aacedc3e | 306 | // cout << "Adding "<< nItems <<" SDigits to module " << fModule << endl; |
307 | for( Int_t i=0; i<nItems; i++ ) { | |
308 | AliITSpListItem * pItem = (AliITSpListItem *)(pItemArray->At( i )); | |
309 | if( pItem->GetModule() != fModule ) { | |
310 | Error( "AliITSsimulationSDD","Error reading, SDigits module " | |
311 | "%d != current module %d: exit", | |
312 | pItem->GetModule(), fModule ); | |
313 | return sig; | |
314 | } // end if | |
315 | ||
316 | if(pItem->GetSignal()>0.0 ) sig = kTRUE; | |
43217ad9 | 317 | |
aacedc3e | 318 | fpList->AddItemTo( mask, pItem ); // Add SignalAfterElect + noise |
319 | AliITSpListItem * pItem2 = fpList->GetpListItem( pItem->GetIndex() ); | |
320 | Double_t sigAE = pItem2->GetSignalAfterElect(); | |
321 | if( sigAE >= maxadc ) sigAE = maxadc-1; // avoid overflow signal | |
322 | Int_t ia; | |
323 | Int_t it; | |
324 | fpList->GetMapIndex( pItem->GetIndex(), ia, it ); | |
325 | fHitMap2->SetHit( ia, it, sigAE ); | |
326 | fAnodeFire[ia] = kTRUE; | |
327 | } | |
328 | return sig; | |
48058160 | 329 | } |
50d05d7b | 330 | //______________________________________________________________________ |
331 | void AliITSsimulationSDD::FinishSDigitiseModule() { | |
aacedc3e | 332 | // digitize module using the "slow" detector simulator from |
333 | // the sum of summable digits. | |
334 | FinishDigits() ; | |
335 | ClearMaps(); | |
c7a4dac0 | 336 | } |
337 | //______________________________________________________________________ | |
b0f5e3fc | 338 | void AliITSsimulationSDD::DigitiseModule(AliITSmodule *mod,Int_t md,Int_t ev){ |
aacedc3e | 339 | // create maps to build the lists of tracks for each digit |
b0f5e3fc | 340 | |
aacedc3e | 341 | TObjArray *fHits = mod->GetHits(); |
342 | Int_t nhits = fHits->GetEntriesFast(); | |
8a33ae9e | 343 | |
aacedc3e | 344 | InitSimulationModule( md, ev ); |
20f3f947 | 345 | if( !nhits ) return; |
48058160 | 346 | |
aacedc3e | 347 | HitsToAnalogDigits( mod ); |
5683bd96 | 348 | ChargeToSignal( fModule,kTRUE,kTRUE ); // process signal + noise |
aacedc3e | 349 | |
350 | for( Int_t i=0; i<fNofMaps; i++ ) { | |
351 | for( Int_t j=0; j<fMaxNofSamples; j++ ) { | |
352 | Int_t jdx = j*fScaleSize; | |
353 | Int_t index = fpList->GetHitIndex( i, j ); | |
354 | AliITSpListItem pItemTmp2( fModule, index, 0. ); | |
355 | // put the fScaleSize analog digits in only one | |
356 | for( Int_t ik=0; ik<fScaleSize; ik++ ) { | |
357 | AliITSpListItem *pItemTmp = fpList->GetpListItem( i, jdx+ik ); | |
358 | if( pItemTmp == 0 ) continue; | |
359 | pItemTmp2.Add( pItemTmp ); | |
360 | } | |
361 | fpList->DeleteHit( i, j ); | |
362 | fpList->AddItemTo( 0, &pItemTmp2 ); | |
363 | } | |
48058160 | 364 | } |
aacedc3e | 365 | FinishDigits(); |
366 | ClearMaps(); | |
c7a4dac0 | 367 | } |
368 | //______________________________________________________________________ | |
50d05d7b | 369 | void AliITSsimulationSDD::FinishDigits() { |
aacedc3e | 370 | // introduce the electronics effects and do zero-suppression if required |
8a33ae9e | 371 | |
8ba39da9 | 372 | if( fCrosstalkFlag ) ApplyCrosstalk(fModule); |
50d05d7b | 373 | |
f45f6658 | 374 | AliITSCalibrationSDD* res = (AliITSCalibrationSDD*)GetCalibrationModel(fModule); |
253e68a0 | 375 | Bool_t isZeroSupp = res->GetZeroSupp(); |
376 | if (isZeroSupp) Compress2D(); | |
20f3f947 | 377 | else StoreAllDigits(); |
c7a4dac0 | 378 | } |
379 | //______________________________________________________________________ | |
50d05d7b | 380 | void AliITSsimulationSDD::HitsToAnalogDigits( AliITSmodule *mod ) { |
aacedc3e | 381 | // create maps to build the lists of tracks for each digit |
8ba39da9 | 382 | AliITSsegmentationSDD* seg = (AliITSsegmentationSDD*)GetSegmentationModel(1); |
f45f6658 | 383 | AliITSCalibrationSDD* res = (AliITSCalibrationSDD*)GetCalibrationModel(fModule); |
cd2a0045 | 384 | AliITSSimuParam* simpar = fDetType->GetSimuParam(); |
8ba39da9 | 385 | TObjArray *hits = mod->GetHits(); |
bee7f138 | 386 | Int_t nhits = hits->GetEntriesFast(); |
387 | ||
388 | // Int_t arg[6] = {0,0,0,0,0,0}; | |
389 | Int_t nofAnodes = fNofMaps/2; | |
390 | Double_t sddLength = seg->Dx(); | |
bee7f138 | 391 | Double_t anodePitch = seg->Dpz(0); |
392 | Double_t timeStep = seg->Dpx(0); | |
393 | Double_t driftSpeed ; // drift velocity (anode dependent) | |
394 | Double_t nanoampToADC = simpar->GetSDDMaxAdc()/simpar->GetSDDDynamicRange(); // maxadc/topValue; | |
395 | Double_t cHloss = simpar->GetSDDChargeLoss(); | |
396 | Float_t dfCoeff, s1; | |
397 | simpar->GetSDDDiffCoeff(dfCoeff,s1); // Signal 2d Shape | |
398 | Double_t eVpairs = simpar->GetGeVToCharge()*1.0E9; // 3.6 eV by def. | |
399 | Double_t nsigma = simpar->GetNSigmaIntegration(); // | |
400 | Int_t nlookups = simpar->GetGausNLookUp(); // | |
401 | Float_t jitter = simpar->GetSDDJitterError(); // | |
374200ee | 402 | Float_t mapsmear = simpar->GetSDDCorrMapPrecision(); // |
dfd6be22 | 403 | Float_t trigDelay = simpar->GetSDDTrigDelay(); // compensation for MC time zero |
19dcb509 | 404 | if(res->IsAMAt20MHz()) trigDelay+=12.5; // compensation for discretization step |
374200ee | 405 | |
dfd6be22 | 406 | Float_t timeZero=fDetType->GetResponseSDD()->GetTimeZero(fModule); |
374200ee | 407 | Float_t adcscale = fDetType->GetResponseSDD()->GetADCtokeV(fModule); |
408 | adcscale/=simpar->GetSDDkeVtoADC(); | |
417ff3f4 | 409 | |
bee7f138 | 410 | // Piergiorgio's part (apart for few variables which I made float |
411 | // when i thought that can be done | |
412 | // Fill detector maps with GEANT hits | |
413 | // loop over hits in the module | |
414 | ||
415 | const Float_t kconv = 1.0e+6; // GeV->KeV | |
416 | Int_t itrack = 0; | |
417 | Int_t iWing; // which detector wing/side. | |
418 | Int_t ii,kk,ka,kt; // loop indexs | |
419 | Int_t ia,it,index; // sub-pixel integration indexies | |
420 | Int_t iAnode; // anode number. | |
421 | Int_t timeSample; // time buckett. | |
422 | Int_t anodeWindow; // anode direction charge integration width | |
423 | Int_t timeWindow; // time direction charge integration width | |
424 | Int_t jamin,jamax; // anode charge integration window | |
425 | Int_t jtmin,jtmax; // time charge integration window | |
426 | Int_t nsplitAn; // the number of splits in anode and time windows | |
427 | Int_t nsplitTb; // the number of splits in anode and time windows | |
428 | Int_t nOfSplits; // number of times track length is split into | |
429 | Float_t nOfSplitsF; // Floating point version of nOfSplits. | |
430 | Float_t kkF; // Floating point version of loop index kk. | |
431 | Double_t pathInSDD; // Track length in SDD. | |
432 | Double_t drPath; // average position of track in detector. in microns | |
433 | Double_t drTime; // Drift time | |
434 | Double_t avDrft; // x position of path length segment in cm. | |
435 | Double_t avAnode; // Anode for path length segment in Anode number (float) | |
436 | Double_t zAnode; // Floating point anode number. | |
437 | Double_t driftPath; // avDrft in microns. | |
438 | Double_t width; // width of signal at anodes. | |
439 | Double_t depEnergy; // Energy deposited in this GEANT step. | |
440 | Double_t xL[3],dxL[3]; // local hit coordinates and diff. | |
441 | Double_t sigA; // sigma of signal at anode. | |
442 | Double_t sigT; // sigma in time/drift direction for track segment | |
443 | Double_t aStep,aConst; // sub-pixel size and offset anode | |
444 | Double_t tStep,tConst; // sub-pixel size and offset time | |
445 | Double_t amplitude; // signal amplitude for track segment in nanoAmpere | |
446 | Double_t chargeloss; // charge loss for track segment. | |
447 | Double_t anodeAmplitude; // signal amplitude in anode direction | |
448 | Double_t aExpo; // exponent of Gaussian anode direction | |
449 | Double_t timeAmplitude; // signal amplitude in time direction | |
450 | Double_t tExpo; // exponent of Gaussian time direction | |
451 | Double_t tof; // Time of flight in ns of this step. | |
452 | ||
453 | for(ii=0; ii<nhits; ii++) { | |
454 | if(!mod->LineSegmentL(ii,xL[0],dxL[0],xL[1],dxL[1],xL[2],dxL[2], | |
455 | depEnergy,itrack)) continue; | |
456 | Float_t xloc=xL[0]; | |
457 | if(xloc>0) iWing=0; // left side, carlos channel 0 | |
458 | else iWing=1; // right side | |
cd2a0045 | 459 | |
bee7f138 | 460 | Float_t zloc=xL[2]+0.5*dxL[2]; |
461 | zAnode=seg->GetAnodeFromLocal(xloc,zloc); // anode number in the range 0.-511. | |
462 | driftSpeed = res->GetDriftSpeedAtAnode(zAnode); | |
374200ee | 463 | driftSpeed+= fDetType->GetResponseSDD()->GetDeltaVDrift(fModule,zAnode>255); |
464 | ||
bee7f138 | 465 | if(timeStep*fMaxNofSamples < sddLength/driftSpeed) { |
a72dbdfe | 466 | AliWarning("Time Interval > Allowed Time Interval"); |
bee7f138 | 467 | } |
468 | depEnergy *= kconv; | |
469 | if (!depEnergy) { | |
470 | AliDebug(1, | |
471 | Form("fTrack = %d hit=%d module=%d This particle has passed without losing energy!", | |
472 | itrack,ii,mod->GetIndex())); | |
473 | continue; | |
f6b6d58e | 474 | // continue if the particle did not lose energy |
475 | // passing through detector | |
bee7f138 | 476 | } // end if !depEnergy |
477 | ||
478 | tof=0.; | |
479 | AliITShit* h=(AliITShit*)hits->At(ii); | |
2c4e6a6a | 480 | if(h){ |
481 | tof=h->GetTOF()*1E9; | |
482 | AliDebug(1,Form("TOF for hit %d on mod %d (particle %d)=%g",ii,fModule,h->Track(),tof)); | |
483 | } | |
484 | ||
374200ee | 485 | Float_t corrx=0, corrz=0; |
486 | res->GetShiftsForSimulation(xL[2],xL[0],corrz,corrx,seg); | |
487 | xL[2]-=corrz; | |
488 | xL[0]-=corrx; | |
489 | xL[0] += 0.0001*gRandom->Gaus( 0, mapsmear); // | |
bee7f138 | 490 | xL[0] += 0.0001*gRandom->Gaus( 0, jitter ); // |
374200ee | 491 | |
bee7f138 | 492 | pathInSDD = TMath::Sqrt(dxL[0]*dxL[0]+dxL[1]*dxL[1]+dxL[2]*dxL[2]); |
493 | ||
494 | if (fFlag && pathInSDD) { depEnergy *= (0.03/pathInSDD); } | |
495 | drPath = TMath::Abs(10000.*(dxL[0]+2.*xL[0])*0.5); | |
496 | drPath = sddLength-drPath; | |
497 | if(drPath < 0) { | |
374200ee | 498 | AliInfo( // this should be fixed at geometry level |
bee7f138 | 499 | Form("negative drift path drPath=%e sddLength=%e dxL[0]=%e xL[0]=%e", |
500 | drPath,sddLength,dxL[0],xL[0])); | |
501 | continue; | |
502 | } // end if drPath < 0 | |
503 | ||
504 | // Compute number of segments to brake step path into | |
505 | drTime = drPath/driftSpeed; // Drift Time | |
506 | sigA = TMath::Sqrt(2.*dfCoeff*drTime+s1*s1);// Sigma along the anodes | |
507 | // calcuate the number of time the path length should be split into. | |
508 | nOfSplits = (Int_t) (1. + 10000.*pathInSDD/sigA); | |
509 | if(fFlag) nOfSplits = 1; | |
510 | ||
511 | // loop over path segments, init. some variables. | |
512 | depEnergy /= nOfSplits; | |
513 | nOfSplitsF = (Float_t) nOfSplits; | |
514 | Float_t theAverage=0.,theSteps=0.; | |
515 | for(kk=0;kk<nOfSplits;kk++) { // loop over path segments | |
516 | kkF = (Float_t) kk + 0.5; | |
517 | avDrft = xL[0]+dxL[0]*kkF/nOfSplitsF; | |
518 | avAnode = xL[2]+dxL[2]*kkF/nOfSplitsF; | |
519 | theSteps+=1.; | |
520 | theAverage+=avAnode; | |
521 | zAnode = seg->GetAnodeFromLocal(avDrft,avAnode); | |
522 | driftSpeed = res->GetDriftSpeedAtAnode(zAnode); | |
374200ee | 523 | driftSpeed+= fDetType->GetResponseSDD()->GetDeltaVDrift(fModule,zAnode>255); |
bee7f138 | 524 | driftPath = TMath::Abs(10000.*avDrft); |
525 | driftPath = sddLength-driftPath; | |
526 | if(driftPath < 0) { | |
f6b6d58e | 527 | AliDebug(1, // this should be fixed at geometry level |
bee7f138 | 528 | Form("negative drift path driftPath=%e sddLength=%e avDrft=%e dxL[0]=%e xL[0]=%e", |
529 | driftPath,sddLength,avDrft,dxL[0],xL[0])); | |
530 | continue; | |
531 | } // end if driftPath < 0 | |
532 | drTime = driftPath/driftSpeed; // drift time for segment. | |
533 | // Sigma along the anodes for track segment. | |
534 | sigA = TMath::Sqrt(2.*dfCoeff*drTime+s1*s1); | |
535 | sigT = sigA/driftSpeed; | |
536 | ||
537 | drTime+=tof; // take into account Time Of Flight from production point | |
dfd6be22 | 538 | drTime-=trigDelay; |
539 | drTime+=timeZero; | |
a72dbdfe | 540 | timeSample = (Int_t) (fScaleSize*drTime/timeStep + 1.001); // time bin in range 1-256 !!! |
bee7f138 | 541 | if(zAnode>nofAnodes) zAnode-=nofAnodes; // to have the anode number between 0. and 256. |
a72dbdfe | 542 | iAnode = (Int_t) (1.001+zAnode); // iAnode in range 1-256 !!!! |
bee7f138 | 543 | |
f6b6d58e | 544 | // Peak amplitude in nanoAmpere |
bee7f138 | 545 | amplitude = fScaleSize*160.*depEnergy/ |
546 | (timeStep*eVpairs*2.*acos(-1.)); | |
547 | chargeloss = 1.-cHloss*driftPath/1000.; | |
548 | amplitude *= chargeloss; | |
374200ee | 549 | amplitude *= adcscale; |
bee7f138 | 550 | width = 2.*nsigma/(nlookups-1); |
551 | // Spread the charge | |
552 | nsplitAn = 4; | |
553 | nsplitTb=4; | |
554 | aStep = anodePitch/(nsplitAn*sigA); | |
555 | aConst = zAnode*anodePitch/sigA; | |
556 | tStep = timeStep/(nsplitTb*fScaleSize*sigT); | |
557 | tConst = drTime/sigT; | |
558 | // Define SDD window corresponding to the hit | |
559 | anodeWindow = (Int_t)(nsigma*sigA/anodePitch+1); | |
560 | timeWindow = (Int_t) (fScaleSize*nsigma*sigT/timeStep+1.); | |
561 | jamin = (iAnode - anodeWindow - 2)*nsplitAn+1; | |
bee7f138 | 562 | if(jamin <= 0) jamin = 1; |
a72dbdfe | 563 | if(jamin > nofAnodes*nsplitAn){ |
564 | AliDebug(1,Form("Energy deposition completely outside anode acceptance: anode min=%d",jamin)); | |
565 | continue; | |
566 | } | |
567 | jamax = (iAnode + anodeWindow + 2)*nsplitAn; | |
568 | if(jamax > nofAnodes*nsplitAn) jamax = nofAnodes*nsplitAn; | |
569 | if(jamax <=0){ | |
570 | AliDebug(1,Form("Energy deposition completely outside anode acceptance: anode max=%d",jamax)); | |
571 | continue; | |
572 | } | |
bee7f138 | 573 | jtmin = (Int_t)(timeSample-timeWindow-2)*nsplitTb+1; |
bee7f138 | 574 | if(jtmin <= 0) jtmin = 1; |
a72dbdfe | 575 | if(jtmin > fScaleSize*fMaxNofSamples*nsplitTb){ |
576 | AliDebug(1,Form("Energy deposition completely outside time acceptance: time sample min=%d tof=%f",jtmin,tof)); | |
577 | continue; | |
578 | } | |
579 | jtmax = (Int_t)(timeSample+timeWindow+2)*nsplitTb; | |
580 | if(jtmax > fScaleSize*fMaxNofSamples*nsplitTb) jtmax = fScaleSize*fMaxNofSamples*nsplitTb; | |
581 | if(jtmax <= 0){ | |
582 | AliDebug(1,Form("Energy deposition completely outside time acceptance: time sample max=%d tof=%f",jtmax,tof)); | |
583 | continue; | |
584 | } | |
585 | ||
bee7f138 | 586 | // Spread the charge in the anode-time window |
587 | for(ka=jamin; ka <=jamax; ka++) { | |
588 | ia = (ka-1)/nsplitAn + 1; | |
589 | if(ia <= 0) ia=1; | |
590 | if(ia > nofAnodes) ia = nofAnodes; | |
591 | aExpo = (aStep*(ka-0.5)-aConst); | |
592 | if(TMath::Abs(aExpo) > nsigma) anodeAmplitude = 0.; | |
593 | else { | |
594 | Int_t theBin = (Int_t) ((aExpo+nsigma)/width+0.5); | |
595 | anodeAmplitude = amplitude*simpar->GetGausLookUp(theBin); | |
596 | } | |
597 | // index starts from 0 | |
598 | index = iWing*nofAnodes+ia-1; | |
599 | if(anodeAmplitude){ | |
600 | for(kt=jtmin; kt<=jtmax; kt++) { | |
601 | it = (kt-1)/nsplitTb+1; // it starts from 1 | |
602 | if(it<=0) it=1; | |
603 | if(it>fScaleSize*fMaxNofSamples) | |
604 | it = fScaleSize*fMaxNofSamples; | |
605 | tExpo = (tStep*(kt-0.5)-tConst); | |
606 | if(TMath::Abs(tExpo) > nsigma) timeAmplitude = 0.; | |
607 | else { | |
608 | Int_t theBin = (Int_t) ((tExpo+nsigma)/width+0.5); | |
609 | timeAmplitude = anodeAmplitude*simpar->GetGausLookUp(theBin)*aStep*tStep; | |
610 | } | |
611 | timeAmplitude *= nanoampToADC; | |
612 | // ListOfFiredCells(arg,timeAmplitude,alst,padr); | |
613 | Double_t charge = timeAmplitude; | |
614 | charge += fHitMap2->GetSignal(index,it-1); | |
615 | fHitMap2->SetHit(index, it-1, charge); | |
616 | fpList->AddSignal(index,it-1,itrack,ii-1, | |
617 | mod->GetIndex(),timeAmplitude); | |
618 | fAnodeFire[index] = kTRUE; | |
619 | } // end loop over time in window | |
620 | } // end if anodeAmplitude | |
621 | } // loop over anodes in window | |
622 | } // end loop over "sub-hits" | |
623 | } // end loop over hits | |
b0f5e3fc | 624 | } |
aacedc3e | 625 | |
b0f5e3fc | 626 | //____________________________________________ |
83ec5e27 | 627 | void AliITSsimulationSDD::AddDigit( Int_t i, Int_t j, Int_t signalc, Int_t signale) { |
20f3f947 | 628 | // Adds a Digit. |
629 | Int_t size = AliITSdigit::GetNTracks(); | |
630 | ||
631 | Int_t digits[3]; | |
632 | Int_t * tracks = new Int_t[size]; | |
633 | Int_t * hits = new Int_t[size]; | |
634 | Float_t phys; | |
635 | Float_t * charges = new Float_t[size]; | |
636 | ||
637 | digits[0] = i; | |
638 | digits[1] = j; | |
83ec5e27 | 639 | digits[2] = signalc; |
20f3f947 | 640 | |
641 | AliITSpListItem *pItem = fpList->GetpListItem( i, j ); | |
642 | if( pItem == 0 ) { | |
643 | phys = 0.0; | |
644 | for( Int_t l=0; l<size; l++ ) { | |
645 | tracks[l] = 0; | |
646 | hits[l] = 0; | |
647 | charges[l] = 0.0; | |
50d05d7b | 648 | } |
20f3f947 | 649 | } else { |
650 | Int_t idtrack = pItem->GetTrack( 0 ); | |
651 | if( idtrack >= 0 ) phys = pItem->GetSignal(); | |
652 | else phys = 0.0; | |
653 | ||
654 | for( Int_t l=0; l<size; l++ ) if(l<pItem->GetMaxKept()) { | |
655 | tracks[l] = pItem->GetTrack( l ); | |
656 | hits[l] = pItem->GetHit( l ); | |
657 | charges[l] = pItem->GetSignal( l ); | |
658 | }else{ | |
659 | tracks[l] = -3; | |
660 | hits[l] = -1; | |
661 | charges[l] = 0.0; | |
662 | }// end for if | |
663 | } | |
50d05d7b | 664 | |
83ec5e27 | 665 | fITS->AddSimDigit( 1, phys, digits, tracks, hits, charges, signale ); |
20f3f947 | 666 | delete [] tracks; |
667 | delete [] hits; | |
668 | delete [] charges; | |
aacedc3e | 669 | } |
8a33ae9e | 670 | //______________________________________________________________________ |
5683bd96 | 671 | void AliITSsimulationSDD::ChargeToSignal(Int_t mod,Bool_t bAddNoise, Bool_t bAddGain) { |
672 | // add baseline, noise, gain, electronics and ADC saturation effects | |
673 | // apply dead channels | |
674 | ||
5683bd96 | 675 | AliITSCalibrationSDD* res = (AliITSCalibrationSDD*)GetCalibrationModel(mod); |
5683bd96 | 676 | Double_t baseline=0; |
677 | Double_t noise=0; | |
678 | Double_t gain=0; | |
679 | Float_t contrib=0; | |
680 | Int_t i,k,kk; | |
cd2a0045 | 681 | AliITSSimuParam* simpar = fDetType->GetSimuParam(); |
682 | Float_t maxadc = simpar->GetSDDMaxAdc(); | |
aebba721 | 683 | Int_t nGroup=fScaleSize; |
684 | if(res->IsAMAt20MHz()){ | |
685 | nGroup=fScaleSize/2; | |
686 | } | |
5683bd96 | 687 | |
688 | for (i=0;i<fNofMaps;i++) { | |
689 | if( !fAnodeFire[i] ) continue; | |
690 | baseline = res->GetBaseline(i); | |
691 | noise = res->GetNoise(i); | |
cf8425ac | 692 | gain = res->GetChannelGain(i)/fDetType->GetAverageGainSDD(); |
eefec958 | 693 | if(res->IsBad()) gain=0.; |
13a2b50d | 694 | if( res->IsChipBad(res->GetChip(i)) )gain=0.; |
5683bd96 | 695 | for(k=0; k<fScaleSize*fMaxNofSamples; k++) { |
696 | fInZR[k] = fHitMap2->GetSignal(i,k); | |
697 | if(bAddGain) fInZR[k]*=gain; | |
698 | if( bAddNoise ) { | |
699 | contrib = (baseline + noise*gRandom->Gaus()); | |
700 | fInZR[k] += contrib; | |
701 | } | |
702 | fInZI[k] = 0.; | |
703 | } // end for k | |
b27af87f | 704 | if(!fDoFFT) { |
5683bd96 | 705 | for(k=0; k<fMaxNofSamples; k++) { |
706 | Double_t newcont = 0.; | |
707 | Double_t maxcont = 0.; | |
708 | for(kk=0;kk<fScaleSize;kk++) { | |
709 | newcont = fInZR[fScaleSize*k+kk]; | |
710 | if(newcont > maxcont) maxcont = newcont; | |
711 | } // end for kk | |
712 | newcont = maxcont; | |
713 | if (newcont >= maxadc) newcont = maxadc -1; | |
714 | if(newcont >= baseline){ | |
a5a317a9 | 715 | Warning("","newcont=%f>=baseline=%f",newcont,baseline); |
5683bd96 | 716 | } // end if |
717 | // back to analog: ? | |
718 | fHitMap2->SetHit(i,k,newcont); | |
719 | } // end for k | |
720 | }else{ | |
20f3f947 | 721 | FastFourierTransform(&fInZR[0],&fInZI[0],1); |
5683bd96 | 722 | for(k=0; k<fScaleSize*fMaxNofSamples; k++) { |
723 | Double_t rw = fElectronics->GetTraFunReal(k); | |
724 | Double_t iw = fElectronics->GetTraFunImag(k); | |
725 | fOutZR[k] = fInZR[k]*rw - fInZI[k]*iw; | |
726 | fOutZI[k] = fInZR[k]*iw + fInZI[k]*rw; | |
727 | } // end for k | |
20f3f947 | 728 | FastFourierTransform(&fOutZR[0],&fOutZI[0],-1); |
5683bd96 | 729 | for(k=0; k<fMaxNofSamples; k++) { |
730 | Double_t newcont1 = 0.; | |
731 | Double_t maxcont1 = 0.; | |
aebba721 | 732 | for(kk=0;kk<nGroup;kk++) { |
5683bd96 | 733 | newcont1 = fOutZR[fScaleSize*k+kk]; |
734 | if(newcont1 > maxcont1) maxcont1 = newcont1; | |
735 | } // end for kk | |
736 | newcont1 = maxcont1; | |
737 | if (newcont1 >= maxadc) newcont1 = maxadc -1; | |
738 | fHitMap2->SetHit(i,k,newcont1); | |
739 | } // end for k | |
740 | } | |
741 | } // end for i loop over anodes | |
742 | return; | |
50d05d7b | 743 | } |
5683bd96 | 744 | |
50d05d7b | 745 | //______________________________________________________________________ |
8ba39da9 | 746 | void AliITSsimulationSDD::ApplyCrosstalk(Int_t mod) { |
aacedc3e | 747 | // function add the crosstalk effect to signal |
748 | // temporal function, should be checked...!!! | |
8ba39da9 | 749 | |
aacedc3e | 750 | // create and inizialice crosstalk map |
751 | Float_t* ctk = new Float_t[fNofMaps*fMaxNofSamples+1]; | |
aacedc3e | 752 | memset( ctk, 0, sizeof(Float_t)*(fNofMaps*fMaxNofSamples+1) ); |
f45f6658 | 753 | AliITSCalibrationSDD* calibr = (AliITSCalibrationSDD*)GetCalibrationModel(mod); |
aacedc3e | 754 | for( Int_t z=0; z<fNofMaps; z++ ) { |
f45f6658 | 755 | Double_t baseline = calibr->GetBaseline(z); |
aacedc3e | 756 | Bool_t on = kFALSE; |
757 | Int_t tstart = 0; | |
758 | Int_t tstop = 0; | |
759 | Int_t nTsteps = 0; | |
50d05d7b | 760 | |
aacedc3e | 761 | for( Int_t l=0; l<fMaxNofSamples; l++ ) { |
762 | Float_t fadc = (Float_t)fHitMap2->GetSignal( z, l ); | |
763 | if( fadc > baseline ) { | |
764 | if( on == kFALSE && l<fMaxNofSamples-4 ) { | |
765 | Float_t fadc1 = (Float_t)fHitMap2->GetSignal( z, l+1 ); | |
766 | if( fadc1 < fadc ) continue; | |
767 | on = kTRUE; | |
768 | nTsteps = 0; | |
769 | tstart = l; | |
770 | } | |
771 | nTsteps++; | |
772 | } | |
773 | else { // end fadc > baseline | |
774 | if( on == kTRUE ) { | |
775 | if( nTsteps > 2 ) { | |
776 | tstop = l; | |
777 | // make smooth derivative | |
778 | Float_t* dev = new Float_t[fMaxNofSamples+1]; | |
779 | memset( dev, 0, sizeof(Float_t)*(fMaxNofSamples+1) ); | |
aacedc3e | 780 | for( Int_t i=tstart; i<tstop; i++ ) { |
781 | if( i > 2 && i < fMaxNofSamples-2 ) | |
782 | dev[i] = -0.2*fHitMap2->GetSignal( z,i-2 ) | |
783 | -0.1*fHitMap2->GetSignal( z,i-1 ) | |
784 | +0.1*fHitMap2->GetSignal( z,i+1 ) | |
785 | +0.2*fHitMap2->GetSignal( z,i+2 ); | |
786 | } | |
50d05d7b | 787 | |
aacedc3e | 788 | // add crosstalk contribution to neibourg anodes |
789 | for( Int_t i=tstart; i<tstop; i++ ) { | |
790 | Int_t anode = z - 1; | |
791 | Int_t i1 = (Int_t)((i-tstart)*.61+tstart+0.5); // | |
792 | Float_t ctktmp = -dev[i1] * 0.25; | |
793 | if( anode > 0 ) { | |
794 | ctk[anode*fMaxNofSamples+i] += ctktmp; | |
795 | } | |
796 | anode = z + 1; | |
797 | if( anode < fNofMaps ) { | |
798 | ctk[anode*fMaxNofSamples+i] += ctktmp; | |
799 | } | |
800 | } | |
801 | delete [] dev; | |
50d05d7b | 802 | |
aacedc3e | 803 | } // if( nTsteps > 2 ) |
804 | on = kFALSE; | |
805 | } // if( on == kTRUE ) | |
806 | } // else | |
807 | } | |
3d2c9d72 | 808 | } |
50d05d7b | 809 | |
aacedc3e | 810 | for( Int_t a=0; a<fNofMaps; a++ ) |
811 | for( Int_t t=0; t<fMaxNofSamples; t++ ) { | |
812 | Float_t signal = fHitMap2->GetSignal(a,t)+ctk[a*fMaxNofSamples+t]; | |
813 | fHitMap2->SetHit( a, t, signal ); | |
814 | } | |
815 | ||
816 | delete [] ctk; | |
50d05d7b | 817 | } |
f45f6658 | 818 | |
8a33ae9e | 819 | //______________________________________________________________________ |
820 | Int_t AliITSsimulationSDD::Convert10to8(Int_t signal) const { | |
aacedc3e | 821 | // To the 10 to 8 bit lossive compression. |
822 | // code from Davide C. and Albert W. | |
823 | ||
824 | if (signal < 128) return signal; | |
825 | if (signal < 256) return (128+((signal-128)>>1)); | |
826 | if (signal < 512) return (192+((signal-256)>>3)); | |
827 | if (signal < 1024) return (224+((signal-512)>>4)); | |
828 | return 0; | |
b0f5e3fc | 829 | } |
8a33ae9e | 830 | //______________________________________________________________________ |
83ec5e27 | 831 | Int_t AliITSsimulationSDD::Convert8to10(Int_t signal) const { |
832 | // Decompression from 8 to 10 bit | |
833 | ||
834 | if (signal < 0 || signal > 255) { | |
835 | AliWarning(Form("Signal value %d out of range",signal)); | |
836 | return 0; | |
837 | } // end if signal <0 || signal >255 | |
838 | ||
839 | if (signal < 128) return signal; | |
840 | if (signal < 192) { | |
841 | if (TMath::Odd(signal)) return (128+((signal-128)<<1)); | |
842 | else return (128+((signal-128)<<1)+1); | |
843 | } // end if signal < 192 | |
844 | if (signal < 224) { | |
845 | if (TMath::Odd(signal)) return (256+((signal-192)<<3)+3); | |
846 | else return (256+((signal-192)<<3)+4); | |
847 | } // end if signal < 224 | |
848 | if (TMath::Odd(signal)) return (512+((signal-224)<<4)+7); | |
849 | return (512+((signal-224)<<4)+8); | |
850 | } | |
851 | //______________________________________________________________________ | |
b0f5e3fc | 852 | void AliITSsimulationSDD::Compress2D(){ |
20f3f947 | 853 | // 2D zero-suppression algorithm as described in ALICE-INT-1999-28 V10 |
854 | AliITSCalibrationSDD* res = (AliITSCalibrationSDD*)GetCalibrationModel(fModule); | |
20f3f947 | 855 | for (Int_t iWing=0; iWing<2; iWing++) { |
856 | Int_t tL=res->GetZSLowThreshold(iWing); | |
857 | Int_t tH=res->GetZSHighThreshold(iWing); | |
858 | for (Int_t i=0; i<fNofMaps/2; i++) { | |
859 | Int_t ian=i+iWing*fNofMaps/2; | |
860 | if( !fAnodeFire[ian] ) continue; | |
861 | for (Int_t itb=0; itb<fMaxNofSamples; itb++) { | |
8343dab6 | 862 | Int_t nLow=0, nHigh=0; |
20f3f947 | 863 | Float_t cC=fHitMap2->GetSignal(ian,itb); |
864 | if(cC<=tL) continue; | |
8343dab6 | 865 | nLow++; // cC is greater than tL |
866 | if(cC>tH) nHigh++; | |
20f3f947 | 867 | // N |
868 | // Get "quintuple": WCE | |
869 | // S | |
870 | Float_t wW=0.; | |
871 | if(itb>0) wW=fHitMap2->GetSignal(ian,itb-1); | |
8343dab6 | 872 | if(wW>tL) nLow++; |
873 | if(wW>tH) nHigh++; | |
20f3f947 | 874 | Float_t eE=0.; |
875 | if(itb<fMaxNofSamples-1) eE=fHitMap2->GetSignal(ian,itb+1); | |
8343dab6 | 876 | if(eE>tL) nLow++; |
877 | if(eE>tH) nHigh++; | |
20f3f947 | 878 | Float_t nN=0.; |
879 | if(i<(fNofMaps/2-1)) nN=fHitMap2->GetSignal(ian+1,itb); | |
8343dab6 | 880 | if(nN>tL) nLow++; |
881 | if(nN>tH) nHigh++; | |
20f3f947 | 882 | Float_t sS=0.; |
883 | if(i>0) sS=fHitMap2->GetSignal(ian-1,itb); | |
8343dab6 | 884 | if(sS>tL) nLow++; |
885 | if(sS>tH) nHigh++; | |
886 | ||
ad98389f | 887 | if(nLow>=2 && nHigh>=1){ |
83ec5e27 | 888 | Int_t signal=(Int_t)cC; |
889 | Int_t signalc = Convert10to8(signal); | |
890 | Int_t signale = Convert8to10(signalc); | |
891 | signalc-=tL; // subtract low threshold after 10 to 8 bit compression | |
e55354a4 | 892 | if(signalc>=4) AddDigit(ian,itb,signalc,signale); // store C |
20f3f947 | 893 | } |
894 | } | |
895 | } | |
896 | } | |
b0f5e3fc | 897 | } |
8ba39da9 | 898 | |
aacedc3e | 899 | |
8a33ae9e | 900 | //______________________________________________________________________ |
b0f5e3fc | 901 | void AliITSsimulationSDD::StoreAllDigits(){ |
fa4f0f62 | 902 | // store digits for non-zero-suppressed data |
903 | for (Int_t ian=0; ian<fNofMaps; ian++) { | |
904 | for (Int_t itb=0; itb<fMaxNofSamples; itb++){ | |
905 | Int_t signal=(Int_t)(fHitMap2->GetSignal(ian,itb)); | |
906 | Int_t signalc = Convert10to8(signal); | |
907 | Int_t signale = Convert8to10(signalc); | |
908 | AddDigit(ian,itb,signalc,signale); | |
909 | } | |
910 | } | |
b0f5e3fc | 911 | } |
8a33ae9e | 912 | //______________________________________________________________________ |
ece86d9a | 913 | void AliITSsimulationSDD::CreateHistograms(Int_t scale){ |
2c4e6a6a | 914 | // Creates histograms of maps for debugging |
915 | Int_t i; | |
916 | ||
917 | fHis=new TObjArray(fNofMaps); | |
918 | for (i=0;i<fNofMaps;i++) { | |
919 | TString sddName; | |
920 | sddName.Form("sdd_%d",i+1); | |
921 | fHis->AddAt(new TH1F(sddName.Data(),"SDD maps",scale*fMaxNofSamples, | |
922 | 0.,(Float_t) scale*fMaxNofSamples), i); | |
923 | } // end for i | |
b0f5e3fc | 924 | } |
8a33ae9e | 925 | //______________________________________________________________________ |
ece86d9a | 926 | void AliITSsimulationSDD::FillHistograms(){ |
aacedc3e | 927 | // fill 1D histograms from map |
8a33ae9e | 928 | |
aacedc3e | 929 | if (!fHis) return; |
8a33ae9e | 930 | |
aacedc3e | 931 | for( Int_t i=0; i<fNofMaps; i++) { |
932 | TH1F *hist =(TH1F *)fHis->UncheckedAt(i); | |
933 | Int_t nsamples = hist->GetNbinsX(); | |
934 | for( Int_t j=0; j<nsamples; j++) { | |
935 | Double_t signal=fHitMap2->GetSignal(i,j); | |
936 | hist->Fill((Float_t)j,signal); | |
937 | } // end for j | |
938 | } // end for i | |
ece86d9a | 939 | } |
8a33ae9e | 940 | //______________________________________________________________________ |
b0f5e3fc | 941 | void AliITSsimulationSDD::ResetHistograms(){ |
aacedc3e | 942 | // Reset histograms for this detector |
943 | Int_t i; | |
8a33ae9e | 944 | |
aacedc3e | 945 | for (i=0;i<fNofMaps;i++ ) { |
946 | if (fHis->At(i)) ((TH1F*)fHis->At(i))->Reset(); | |
947 | } // end for i | |
b0f5e3fc | 948 | } |
8a33ae9e | 949 | //______________________________________________________________________ |
b0f5e3fc | 950 | TH1F *AliITSsimulationSDD::GetAnode(Int_t wing, Int_t anode) { |
aacedc3e | 951 | // Fills a histogram from a give anode. |
8a33ae9e | 952 | |
aacedc3e | 953 | if (!fHis) return 0; |
8a33ae9e | 954 | |
aacedc3e | 955 | if(wing <=0 || wing > 2) { |
956 | Warning("GetAnode","Wrong wing number: %d",wing); | |
957 | return NULL; | |
958 | } // end if wing <=0 || wing >2 | |
959 | if(anode <=0 || anode > fNofMaps/2) { | |
960 | Warning("GetAnode","Wrong anode number: %d",anode); | |
961 | return NULL; | |
962 | } // end if ampde <=0 || andoe > fNofMaps/2 | |
8a33ae9e | 963 | |
aacedc3e | 964 | Int_t index = (wing-1)*fNofMaps/2 + anode-1; |
965 | return (TH1F*)(fHis->At(index)); | |
b0f5e3fc | 966 | } |
8a33ae9e | 967 | //______________________________________________________________________ |
b0f5e3fc | 968 | void AliITSsimulationSDD::WriteToFile(TFile *hfile) { |
aacedc3e | 969 | // Writes the histograms to a file |
b0f5e3fc | 970 | |
aacedc3e | 971 | if (!fHis) return; |
8a33ae9e | 972 | |
aacedc3e | 973 | hfile->cd(); |
974 | Int_t i; | |
975 | for(i=0; i<fNofMaps; i++) fHis->At(i)->Write(); //fAdcs[i]->Write(); | |
976 | return; | |
b0f5e3fc | 977 | } |
8a33ae9e | 978 | //______________________________________________________________________ |
50d05d7b | 979 | void AliITSsimulationSDD::WriteSDigits(){ |
aacedc3e | 980 | // Fills the Summable digits Tree |
981 | static AliITS *aliITS = (AliITS*)gAlice->GetModule("ITS"); | |
982 | ||
983 | for( Int_t i=0; i<fNofMaps; i++ ) { | |
984 | if( !fAnodeFire[i] ) continue; | |
f6b6d58e | 985 | for( Int_t j=0; j<fMaxNofSamples; j++ ) { |
aacedc3e | 986 | Double_t sig = fHitMap2->GetSignal( i, j ); |
987 | if( sig > 0.2 ) { | |
988 | Int_t jdx = j*fScaleSize; | |
989 | Int_t index = fpList->GetHitIndex( i, j ); | |
990 | AliITSpListItem pItemTmp2( fModule, index, 0. ); | |
991 | // put the fScaleSize analog digits in only one | |
992 | for( Int_t ik=0; ik<fScaleSize; ik++ ) { | |
993 | AliITSpListItem *pItemTmp = fpList->GetpListItem(i,jdx+ik); | |
994 | if( pItemTmp == 0 ) continue; | |
995 | pItemTmp2.Add( pItemTmp ); | |
996 | } | |
997 | pItemTmp2.AddSignalAfterElect( fModule, index, sig ); | |
998 | pItemTmp2.AddNoise(fModule,index,fHitNoiMap2->GetSignal(i,j)); | |
999 | aliITS->AddSumDigit( pItemTmp2 ); | |
1000 | } // end if (sig > 0.2) | |
1001 | } | |
48058160 | 1002 | } |
aacedc3e | 1003 | return; |
b0f5e3fc | 1004 | } |
8a33ae9e | 1005 | //______________________________________________________________________ |
d2f55a22 | 1006 | void AliITSsimulationSDD::PrintStatus() const { |
aacedc3e | 1007 | // Print SDD simulation Parameters |
1008 | ||
1009 | cout << "**************************************************" << endl; | |
1010 | cout << " Silicon Drift Detector Simulation Parameters " << endl; | |
1011 | cout << "**************************************************" << endl; | |
1012 | cout << "Flag for Perpendicular tracks: " << (Int_t) fFlag << endl; | |
aacedc3e | 1013 | cout << "Flag to switch off electronics: " << (Int_t) fDoFFT << endl; |
20f3f947 | 1014 | cout << "Number of Anodes used: " << fNofMaps << endl; |
aacedc3e | 1015 | cout << "Number of Time Samples: " << fMaxNofSamples << endl; |
1016 | cout << "Scale size factor: " << fScaleSize << endl; | |
1017 | cout << "**************************************************" << endl; | |
44a312c3 | 1018 | } |