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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" |
f77f13c8 | 31 | #include "AliITSdigitSPD.h" |
32 | #include "AliITSetfSDD.h" | |
f77f13c8 | 33 | #include "AliITSmodule.h" |
bee7f138 | 34 | #include "AliITShit.h" |
f77f13c8 | 35 | #include "AliITSpList.h" |
fcf95fc7 | 36 | #include "AliITSCalibrationSDD.h" |
dfd6be22 | 37 | #include "AliITSresponseSDD.h" |
1ca7869b | 38 | #include "AliITSsimulationSDD.h" |
f77f13c8 | 39 | #include "AliLog.h" |
40 | #include "AliRun.h" | |
b0f5e3fc | 41 | |
fe7d86eb | 42 | using std::endl; |
43 | using std::cout; | |
b0f5e3fc | 44 | ClassImp(AliITSsimulationSDD) |
45 | //////////////////////////////////////////////////////////////////////// | |
8ba39da9 | 46 | // Version: 0 // |
47 | // Written by Piergiorgio Cerello // | |
48 | // November 23 1999 // | |
49 | // // | |
50 | // AliITSsimulationSDD is the simulation of SDDs. // | |
51 | //////////////////////////////////////////////////////////////////////// | |
52 | ||
8a33ae9e | 53 | //______________________________________________________________________ |
aacedc3e | 54 | AliITSsimulationSDD::AliITSsimulationSDD(): |
55 | AliITSsimulation(), | |
56 | fITS(0), | |
57 | fHitMap2(0), | |
58 | fHitSigMap2(0), | |
59 | fHitNoiMap2(0), | |
aacedc3e | 60 | fElectronics(0), |
61 | fInZR(0), | |
62 | fInZI(0), | |
63 | fOutZR(0), | |
64 | fOutZI(0), | |
65 | fAnodeFire(0), | |
66 | fHis(0), | |
aacedc3e | 67 | fFlag(kFALSE), |
aacedc3e | 68 | fCrosstalkFlag(kFALSE), |
69 | fDoFFT(1), | |
70 | fNofMaps(0), | |
71 | fMaxNofSamples(0), | |
72 | fScaleSize(0){ | |
73 | // Default constructor | |
aacedc3e | 74 | SetPerpendTracksFlag(); |
75 | SetCrosstalkFlag(); | |
76 | SetDoFFT(); | |
b0f5e3fc | 77 | } |
d2f55a22 | 78 | |
8a33ae9e | 79 | //______________________________________________________________________ |
8ba39da9 | 80 | AliITSsimulationSDD::AliITSsimulationSDD(AliITSDetTypeSim* dettyp): |
81 | AliITSsimulation(dettyp), | |
aacedc3e | 82 | fITS(0), |
83 | fHitMap2(0), | |
84 | fHitSigMap2(0), | |
85 | fHitNoiMap2(0), | |
aacedc3e | 86 | fElectronics(0), |
87 | fInZR(0), | |
88 | fInZI(0), | |
89 | fOutZR(0), | |
90 | fOutZI(0), | |
91 | fAnodeFire(0), | |
92 | fHis(0), | |
aacedc3e | 93 | fFlag(kFALSE), |
aacedc3e | 94 | fCrosstalkFlag(kFALSE), |
95 | fDoFFT(1), | |
96 | fNofMaps(0), | |
97 | fMaxNofSamples(0), | |
98 | fScaleSize(0){ | |
f45f6658 | 99 | // Default Constructor |
100 | Init(); | |
c7a4dac0 | 101 | } |
102 | //______________________________________________________________________ | |
aacedc3e | 103 | void AliITSsimulationSDD::Init(){ |
104 | // Standard Constructor | |
105 | ||
dee45d79 | 106 | AliITSsegmentationSDD* seg = (AliITSsegmentationSDD*)GetSegmentationModel(1); |
107 | fScaleSize = ScaleFourier(seg); | |
aacedc3e | 108 | SetPerpendTracksFlag(); |
109 | SetCrosstalkFlag(); | |
110 | SetDoFFT(); | |
aacedc3e | 111 | |
cd2a0045 | 112 | AliITSSimuParam* simpar = fDetType->GetSimuParam(); |
8ba39da9 | 113 | fpList = new AliITSpList( seg->Npz(), |
114 | fScaleSize*seg->Npx() ); | |
115 | fHitSigMap2 = new AliITSMapA2(seg,fScaleSize,1); | |
116 | fHitNoiMap2 = new AliITSMapA2(seg,fScaleSize,1); | |
aacedc3e | 117 | fHitMap2 = fHitSigMap2; |
118 | ||
8ba39da9 | 119 | fNofMaps = seg->Npz(); |
120 | fMaxNofSamples = seg->Npx(); | |
aacedc3e | 121 | fAnodeFire = new Bool_t [fNofMaps]; |
43217ad9 | 122 | |
8ba39da9 | 123 | Float_t sddWidth = seg->Dz(); |
f6b6d58e | 124 | Float_t anodePitch = seg->Dpz(0); |
125 | Double_t timeStep = (Double_t)seg->Dpx(0); | |
aacedc3e | 126 | |
127 | if(anodePitch*(fNofMaps/2) > sddWidth) { | |
a72dbdfe | 128 | AliWarning(Form("Too many anodes %d or too big pitch %f ", |
129 | fNofMaps/2,anodePitch)); | |
aacedc3e | 130 | } // end if |
b0f5e3fc | 131 | |
b0f5e3fc | 132 | |
aacedc3e | 133 | fElectronics = new AliITSetfSDD(timeStep/fScaleSize, |
cd2a0045 | 134 | simpar->GetSDDElectronics()); |
b0f5e3fc | 135 | |
aacedc3e | 136 | |
aacedc3e | 137 | fITS = (AliITS*)gAlice->GetModule("ITS"); |
20f3f947 | 138 | |
aacedc3e | 139 | fInZR = new Double_t [fScaleSize*fMaxNofSamples]; |
140 | fInZI = new Double_t [fScaleSize*fMaxNofSamples]; | |
141 | fOutZR = new Double_t [fScaleSize*fMaxNofSamples]; | |
142 | fOutZI = new Double_t [fScaleSize*fMaxNofSamples]; | |
b0f5e3fc | 143 | } |
8a33ae9e | 144 | //______________________________________________________________________ |
b0f5e3fc | 145 | AliITSsimulationSDD::~AliITSsimulationSDD() { |
aacedc3e | 146 | // destructor |
147 | ||
148 | // delete fpList; | |
149 | delete fHitSigMap2; | |
150 | delete fHitNoiMap2; | |
aacedc3e | 151 | delete fElectronics; |
152 | ||
153 | fITS = 0; | |
154 | ||
155 | if (fHis) { | |
156 | fHis->Delete(); | |
157 | delete fHis; | |
158 | } // end if fHis | |
aacedc3e | 159 | if(fInZR) delete [] fInZR; |
160 | if(fInZI) delete [] fInZI; | |
161 | if(fOutZR) delete [] fOutZR; | |
162 | if(fOutZI) delete [] fOutZI; | |
163 | if(fAnodeFire) delete [] fAnodeFire; | |
b0f5e3fc | 164 | } |
8a33ae9e | 165 | //______________________________________________________________________ |
50d05d7b | 166 | void AliITSsimulationSDD::InitSimulationModule( Int_t module, Int_t event ) { |
aacedc3e | 167 | // create maps to build the lists of tracks for each summable digit |
168 | fModule = module; | |
169 | fEvent = event; | |
170 | ClearMaps(); | |
171 | memset(fAnodeFire,0,sizeof(Bool_t)*fNofMaps); | |
50d05d7b | 172 | } |
173 | //______________________________________________________________________ | |
174 | void AliITSsimulationSDD::ClearMaps() { | |
aacedc3e | 175 | // clear maps |
176 | fpList->ClearMap(); | |
177 | fHitSigMap2->ClearMap(); | |
178 | fHitNoiMap2->ClearMap(); | |
50d05d7b | 179 | } |
20f3f947 | 180 | //______________________________________________________________________ |
181 | void AliITSsimulationSDD::FastFourierTransform(Double_t *real, | |
182 | Double_t *imag,Int_t direction) { | |
183 | // Do a Fast Fourier Transform | |
184 | ||
185 | Int_t samples = fElectronics->GetSamples(); | |
186 | Int_t l = (Int_t) ((log((Float_t) samples)/log(2.))+0.5); | |
187 | Int_t m1 = samples; | |
188 | Int_t m = samples/2; | |
189 | Int_t m2 = samples/m1; | |
190 | Int_t i,j,k; | |
191 | for(i=1; i<=l; i++) { | |
192 | for(j=0; j<samples; j += m1) { | |
193 | Int_t p = 0; | |
194 | for(k=j; k<= j+m-1; k++) { | |
195 | Double_t wsr = fElectronics->GetWeightReal(p); | |
196 | Double_t wsi = fElectronics->GetWeightImag(p); | |
197 | if(direction == -1) wsi = -wsi; | |
198 | Double_t xr = *(real+k+m); | |
199 | Double_t xi = *(imag+k+m); | |
200 | *(real+k+m) = wsr*(*(real+k)-xr) - wsi*(*(imag+k)-xi); | |
201 | *(imag+k+m) = wsr*(*(imag+k)-xi) + wsi*(*(real+k)-xr); | |
202 | *(real+k) += xr; | |
203 | *(imag+k) += xi; | |
204 | p += m2; | |
205 | } // end for k | |
206 | } // end for j | |
207 | m1 = m; | |
208 | m /= 2; | |
209 | m2 += m2; | |
210 | } // end for i | |
20f3f947 | 211 | for(j=0; j<samples; j++) { |
212 | Int_t j1 = j; | |
213 | Int_t p = 0; | |
214 | Int_t i1; | |
215 | for(i1=1; i1<=l; i1++) { | |
216 | Int_t j2 = j1; | |
217 | j1 /= 2; | |
218 | p = p + p + j2 - j1 - j1; | |
219 | } // end for i1 | |
220 | if(p >= j) { | |
221 | Double_t xr = *(real+j); | |
222 | Double_t xi = *(imag+j); | |
223 | *(real+j) = *(real+p); | |
224 | *(imag+j) = *(imag+p); | |
225 | *(real+p) = xr; | |
226 | *(imag+p) = xi; | |
227 | } // end if p>=j | |
228 | } // end for j | |
229 | if(direction == -1) { | |
230 | for(i=0; i<samples; i++) { | |
231 | *(real+i) /= samples; | |
232 | *(imag+i) /= samples; | |
233 | } // end for i | |
234 | } // end if direction == -1 | |
235 | return; | |
236 | } | |
237 | ||
50d05d7b | 238 | //______________________________________________________________________ |
aacedc3e | 239 | void AliITSsimulationSDD::SDigitiseModule(AliITSmodule *mod,Int_t md,Int_t ev){ |
240 | // digitize module using the "slow" detector simulator creating | |
241 | // summable digits. | |
242 | ||
243 | TObjArray *fHits = mod->GetHits(); | |
244 | Int_t nhits = fHits->GetEntriesFast(); | |
245 | if( !nhits ) return; | |
246 | ||
247 | InitSimulationModule( md, ev ); | |
5683bd96 | 248 | HitsToAnalogDigits( mod ); // fills fHitMap2 which is = fHitSigmap2 |
249 | ChargeToSignal( fModule,kFALSE,kTRUE ); // - Process signal adding gain without adding noise | |
aacedc3e | 250 | fHitMap2 = fHitNoiMap2; // - Swap to noise map |
5683bd96 | 251 | ChargeToSignal( fModule,kTRUE,kFALSE ); // - Process only noise |
aacedc3e | 252 | fHitMap2 = fHitSigMap2; // - Return to signal map |
253 | WriteSDigits(); | |
254 | ClearMaps(); | |
50d05d7b | 255 | } |
256 | //______________________________________________________________________ | |
aacedc3e | 257 | Bool_t AliITSsimulationSDD::AddSDigitsToModule(TClonesArray *pItemArray, |
258 | Int_t mask ) { | |
259 | // Add Summable digits to module maps. | |
cd2a0045 | 260 | AliITSSimuParam* simpar = fDetType->GetSimuParam(); |
aacedc3e | 261 | Int_t nItems = pItemArray->GetEntries(); |
cd2a0045 | 262 | Double_t maxadc = simpar->GetSDDMaxAdc(); |
aacedc3e | 263 | Bool_t sig = kFALSE; |
48058160 | 264 | |
aacedc3e | 265 | // cout << "Adding "<< nItems <<" SDigits to module " << fModule << endl; |
266 | for( Int_t i=0; i<nItems; i++ ) { | |
267 | AliITSpListItem * pItem = (AliITSpListItem *)(pItemArray->At( i )); | |
268 | if( pItem->GetModule() != fModule ) { | |
269 | Error( "AliITSsimulationSDD","Error reading, SDigits module " | |
270 | "%d != current module %d: exit", | |
271 | pItem->GetModule(), fModule ); | |
272 | return sig; | |
273 | } // end if | |
274 | ||
275 | if(pItem->GetSignal()>0.0 ) sig = kTRUE; | |
43217ad9 | 276 | |
aacedc3e | 277 | fpList->AddItemTo( mask, pItem ); // Add SignalAfterElect + noise |
278 | AliITSpListItem * pItem2 = fpList->GetpListItem( pItem->GetIndex() ); | |
279 | Double_t sigAE = pItem2->GetSignalAfterElect(); | |
280 | if( sigAE >= maxadc ) sigAE = maxadc-1; // avoid overflow signal | |
281 | Int_t ia; | |
282 | Int_t it; | |
283 | fpList->GetMapIndex( pItem->GetIndex(), ia, it ); | |
284 | fHitMap2->SetHit( ia, it, sigAE ); | |
285 | fAnodeFire[ia] = kTRUE; | |
286 | } | |
287 | return sig; | |
48058160 | 288 | } |
50d05d7b | 289 | //______________________________________________________________________ |
290 | void AliITSsimulationSDD::FinishSDigitiseModule() { | |
aacedc3e | 291 | // digitize module using the "slow" detector simulator from |
292 | // the sum of summable digits. | |
293 | FinishDigits() ; | |
294 | ClearMaps(); | |
c7a4dac0 | 295 | } |
296 | //______________________________________________________________________ | |
b0f5e3fc | 297 | void AliITSsimulationSDD::DigitiseModule(AliITSmodule *mod,Int_t md,Int_t ev){ |
aacedc3e | 298 | // create maps to build the lists of tracks for each digit |
b0f5e3fc | 299 | |
aacedc3e | 300 | TObjArray *fHits = mod->GetHits(); |
301 | Int_t nhits = fHits->GetEntriesFast(); | |
8a33ae9e | 302 | |
aacedc3e | 303 | InitSimulationModule( md, ev ); |
20f3f947 | 304 | if( !nhits ) return; |
48058160 | 305 | |
aacedc3e | 306 | HitsToAnalogDigits( mod ); |
5683bd96 | 307 | ChargeToSignal( fModule,kTRUE,kTRUE ); // process signal + noise |
aacedc3e | 308 | |
309 | for( Int_t i=0; i<fNofMaps; i++ ) { | |
310 | for( Int_t j=0; j<fMaxNofSamples; j++ ) { | |
311 | Int_t jdx = j*fScaleSize; | |
312 | Int_t index = fpList->GetHitIndex( i, j ); | |
313 | AliITSpListItem pItemTmp2( fModule, index, 0. ); | |
314 | // put the fScaleSize analog digits in only one | |
315 | for( Int_t ik=0; ik<fScaleSize; ik++ ) { | |
316 | AliITSpListItem *pItemTmp = fpList->GetpListItem( i, jdx+ik ); | |
317 | if( pItemTmp == 0 ) continue; | |
318 | pItemTmp2.Add( pItemTmp ); | |
319 | } | |
320 | fpList->DeleteHit( i, j ); | |
321 | fpList->AddItemTo( 0, &pItemTmp2 ); | |
322 | } | |
48058160 | 323 | } |
aacedc3e | 324 | FinishDigits(); |
325 | ClearMaps(); | |
c7a4dac0 | 326 | } |
327 | //______________________________________________________________________ | |
50d05d7b | 328 | void AliITSsimulationSDD::FinishDigits() { |
aacedc3e | 329 | // introduce the electronics effects and do zero-suppression if required |
8a33ae9e | 330 | |
8ba39da9 | 331 | if( fCrosstalkFlag ) ApplyCrosstalk(fModule); |
50d05d7b | 332 | |
f45f6658 | 333 | AliITSCalibrationSDD* res = (AliITSCalibrationSDD*)GetCalibrationModel(fModule); |
253e68a0 | 334 | Bool_t isZeroSupp = res->GetZeroSupp(); |
335 | if (isZeroSupp) Compress2D(); | |
20f3f947 | 336 | else StoreAllDigits(); |
c7a4dac0 | 337 | } |
338 | //______________________________________________________________________ | |
50d05d7b | 339 | void AliITSsimulationSDD::HitsToAnalogDigits( AliITSmodule *mod ) { |
aacedc3e | 340 | // create maps to build the lists of tracks for each digit |
8ba39da9 | 341 | AliITSsegmentationSDD* seg = (AliITSsegmentationSDD*)GetSegmentationModel(1); |
f45f6658 | 342 | AliITSCalibrationSDD* res = (AliITSCalibrationSDD*)GetCalibrationModel(fModule); |
cd2a0045 | 343 | AliITSSimuParam* simpar = fDetType->GetSimuParam(); |
8ba39da9 | 344 | TObjArray *hits = mod->GetHits(); |
bee7f138 | 345 | Int_t nhits = hits->GetEntriesFast(); |
346 | ||
347 | // Int_t arg[6] = {0,0,0,0,0,0}; | |
348 | Int_t nofAnodes = fNofMaps/2; | |
349 | Double_t sddLength = seg->Dx(); | |
bee7f138 | 350 | Double_t anodePitch = seg->Dpz(0); |
351 | Double_t timeStep = seg->Dpx(0); | |
352 | Double_t driftSpeed ; // drift velocity (anode dependent) | |
353 | Double_t nanoampToADC = simpar->GetSDDMaxAdc()/simpar->GetSDDDynamicRange(); // maxadc/topValue; | |
354 | Double_t cHloss = simpar->GetSDDChargeLoss(); | |
355 | Float_t dfCoeff, s1; | |
356 | simpar->GetSDDDiffCoeff(dfCoeff,s1); // Signal 2d Shape | |
357 | Double_t eVpairs = simpar->GetGeVToCharge()*1.0E9; // 3.6 eV by def. | |
358 | Double_t nsigma = simpar->GetNSigmaIntegration(); // | |
359 | Int_t nlookups = simpar->GetGausNLookUp(); // | |
360 | Float_t jitter = simpar->GetSDDJitterError(); // | |
374200ee | 361 | Float_t mapsmear = simpar->GetSDDCorrMapPrecision(); // |
dfd6be22 | 362 | Float_t trigDelay = simpar->GetSDDTrigDelay(); // compensation for MC time zero |
19dcb509 | 363 | if(res->IsAMAt20MHz()) trigDelay+=12.5; // compensation for discretization step |
374200ee | 364 | |
dfd6be22 | 365 | Float_t timeZero=fDetType->GetResponseSDD()->GetTimeZero(fModule); |
374200ee | 366 | Float_t adcscale = fDetType->GetResponseSDD()->GetADCtokeV(fModule); |
367 | adcscale/=simpar->GetSDDkeVtoADC(); | |
417ff3f4 | 368 | |
bee7f138 | 369 | // Piergiorgio's part (apart for few variables which I made float |
370 | // when i thought that can be done | |
371 | // Fill detector maps with GEANT hits | |
372 | // loop over hits in the module | |
373 | ||
374 | const Float_t kconv = 1.0e+6; // GeV->KeV | |
375 | Int_t itrack = 0; | |
376 | Int_t iWing; // which detector wing/side. | |
377 | Int_t ii,kk,ka,kt; // loop indexs | |
378 | Int_t ia,it,index; // sub-pixel integration indexies | |
379 | Int_t iAnode; // anode number. | |
380 | Int_t timeSample; // time buckett. | |
381 | Int_t anodeWindow; // anode direction charge integration width | |
382 | Int_t timeWindow; // time direction charge integration width | |
383 | Int_t jamin,jamax; // anode charge integration window | |
384 | Int_t jtmin,jtmax; // time charge integration window | |
385 | Int_t nsplitAn; // the number of splits in anode and time windows | |
386 | Int_t nsplitTb; // the number of splits in anode and time windows | |
387 | Int_t nOfSplits; // number of times track length is split into | |
388 | Float_t nOfSplitsF; // Floating point version of nOfSplits. | |
389 | Float_t kkF; // Floating point version of loop index kk. | |
390 | Double_t pathInSDD; // Track length in SDD. | |
391 | Double_t drPath; // average position of track in detector. in microns | |
392 | Double_t drTime; // Drift time | |
393 | Double_t avDrft; // x position of path length segment in cm. | |
394 | Double_t avAnode; // Anode for path length segment in Anode number (float) | |
395 | Double_t zAnode; // Floating point anode number. | |
396 | Double_t driftPath; // avDrft in microns. | |
397 | Double_t width; // width of signal at anodes. | |
398 | Double_t depEnergy; // Energy deposited in this GEANT step. | |
399 | Double_t xL[3],dxL[3]; // local hit coordinates and diff. | |
400 | Double_t sigA; // sigma of signal at anode. | |
401 | Double_t sigT; // sigma in time/drift direction for track segment | |
402 | Double_t aStep,aConst; // sub-pixel size and offset anode | |
403 | Double_t tStep,tConst; // sub-pixel size and offset time | |
404 | Double_t amplitude; // signal amplitude for track segment in nanoAmpere | |
405 | Double_t chargeloss; // charge loss for track segment. | |
406 | Double_t anodeAmplitude; // signal amplitude in anode direction | |
407 | Double_t aExpo; // exponent of Gaussian anode direction | |
408 | Double_t timeAmplitude; // signal amplitude in time direction | |
409 | Double_t tExpo; // exponent of Gaussian time direction | |
410 | Double_t tof; // Time of flight in ns of this step. | |
411 | ||
412 | for(ii=0; ii<nhits; ii++) { | |
413 | if(!mod->LineSegmentL(ii,xL[0],dxL[0],xL[1],dxL[1],xL[2],dxL[2], | |
414 | depEnergy,itrack)) continue; | |
415 | Float_t xloc=xL[0]; | |
416 | if(xloc>0) iWing=0; // left side, carlos channel 0 | |
417 | else iWing=1; // right side | |
cd2a0045 | 418 | |
bee7f138 | 419 | Float_t zloc=xL[2]+0.5*dxL[2]; |
420 | zAnode=seg->GetAnodeFromLocal(xloc,zloc); // anode number in the range 0.-511. | |
421 | driftSpeed = res->GetDriftSpeedAtAnode(zAnode); | |
374200ee | 422 | driftSpeed+= fDetType->GetResponseSDD()->GetDeltaVDrift(fModule,zAnode>255); |
423 | ||
bee7f138 | 424 | if(timeStep*fMaxNofSamples < sddLength/driftSpeed) { |
a72dbdfe | 425 | AliWarning("Time Interval > Allowed Time Interval"); |
bee7f138 | 426 | } |
427 | depEnergy *= kconv; | |
428 | if (!depEnergy) { | |
429 | AliDebug(1, | |
430 | Form("fTrack = %d hit=%d module=%d This particle has passed without losing energy!", | |
431 | itrack,ii,mod->GetIndex())); | |
432 | continue; | |
f6b6d58e | 433 | // continue if the particle did not lose energy |
434 | // passing through detector | |
bee7f138 | 435 | } // end if !depEnergy |
436 | ||
437 | tof=0.; | |
438 | AliITShit* h=(AliITShit*)hits->At(ii); | |
2c4e6a6a | 439 | if(h){ |
440 | tof=h->GetTOF()*1E9; | |
441 | AliDebug(1,Form("TOF for hit %d on mod %d (particle %d)=%g",ii,fModule,h->Track(),tof)); | |
442 | } | |
443 | ||
374200ee | 444 | Float_t corrx=0, corrz=0; |
445 | res->GetShiftsForSimulation(xL[2],xL[0],corrz,corrx,seg); | |
446 | xL[2]-=corrz; | |
447 | xL[0]-=corrx; | |
448 | xL[0] += 0.0001*gRandom->Gaus( 0, mapsmear); // | |
bee7f138 | 449 | xL[0] += 0.0001*gRandom->Gaus( 0, jitter ); // |
374200ee | 450 | |
bee7f138 | 451 | pathInSDD = TMath::Sqrt(dxL[0]*dxL[0]+dxL[1]*dxL[1]+dxL[2]*dxL[2]); |
452 | ||
453 | if (fFlag && pathInSDD) { depEnergy *= (0.03/pathInSDD); } | |
454 | drPath = TMath::Abs(10000.*(dxL[0]+2.*xL[0])*0.5); | |
455 | drPath = sddLength-drPath; | |
456 | if(drPath < 0) { | |
374200ee | 457 | AliInfo( // this should be fixed at geometry level |
bee7f138 | 458 | Form("negative drift path drPath=%e sddLength=%e dxL[0]=%e xL[0]=%e", |
459 | drPath,sddLength,dxL[0],xL[0])); | |
460 | continue; | |
461 | } // end if drPath < 0 | |
462 | ||
463 | // Compute number of segments to brake step path into | |
464 | drTime = drPath/driftSpeed; // Drift Time | |
465 | sigA = TMath::Sqrt(2.*dfCoeff*drTime+s1*s1);// Sigma along the anodes | |
466 | // calcuate the number of time the path length should be split into. | |
467 | nOfSplits = (Int_t) (1. + 10000.*pathInSDD/sigA); | |
468 | if(fFlag) nOfSplits = 1; | |
469 | ||
470 | // loop over path segments, init. some variables. | |
471 | depEnergy /= nOfSplits; | |
472 | nOfSplitsF = (Float_t) nOfSplits; | |
473 | Float_t theAverage=0.,theSteps=0.; | |
474 | for(kk=0;kk<nOfSplits;kk++) { // loop over path segments | |
475 | kkF = (Float_t) kk + 0.5; | |
476 | avDrft = xL[0]+dxL[0]*kkF/nOfSplitsF; | |
477 | avAnode = xL[2]+dxL[2]*kkF/nOfSplitsF; | |
478 | theSteps+=1.; | |
479 | theAverage+=avAnode; | |
480 | zAnode = seg->GetAnodeFromLocal(avDrft,avAnode); | |
481 | driftSpeed = res->GetDriftSpeedAtAnode(zAnode); | |
374200ee | 482 | driftSpeed+= fDetType->GetResponseSDD()->GetDeltaVDrift(fModule,zAnode>255); |
bee7f138 | 483 | driftPath = TMath::Abs(10000.*avDrft); |
484 | driftPath = sddLength-driftPath; | |
485 | if(driftPath < 0) { | |
f6b6d58e | 486 | AliDebug(1, // this should be fixed at geometry level |
bee7f138 | 487 | Form("negative drift path driftPath=%e sddLength=%e avDrft=%e dxL[0]=%e xL[0]=%e", |
488 | driftPath,sddLength,avDrft,dxL[0],xL[0])); | |
489 | continue; | |
490 | } // end if driftPath < 0 | |
491 | drTime = driftPath/driftSpeed; // drift time for segment. | |
492 | // Sigma along the anodes for track segment. | |
493 | sigA = TMath::Sqrt(2.*dfCoeff*drTime+s1*s1); | |
494 | sigT = sigA/driftSpeed; | |
495 | ||
496 | drTime+=tof; // take into account Time Of Flight from production point | |
dfd6be22 | 497 | drTime-=trigDelay; |
498 | drTime+=timeZero; | |
a72dbdfe | 499 | timeSample = (Int_t) (fScaleSize*drTime/timeStep + 1.001); // time bin in range 1-256 !!! |
bee7f138 | 500 | if(zAnode>nofAnodes) zAnode-=nofAnodes; // to have the anode number between 0. and 256. |
a72dbdfe | 501 | iAnode = (Int_t) (1.001+zAnode); // iAnode in range 1-256 !!!! |
bee7f138 | 502 | |
f6b6d58e | 503 | // Peak amplitude in nanoAmpere |
bee7f138 | 504 | amplitude = fScaleSize*160.*depEnergy/ |
505 | (timeStep*eVpairs*2.*acos(-1.)); | |
506 | chargeloss = 1.-cHloss*driftPath/1000.; | |
507 | amplitude *= chargeloss; | |
374200ee | 508 | amplitude *= adcscale; |
bee7f138 | 509 | width = 2.*nsigma/(nlookups-1); |
510 | // Spread the charge | |
511 | nsplitAn = 4; | |
512 | nsplitTb=4; | |
513 | aStep = anodePitch/(nsplitAn*sigA); | |
514 | aConst = zAnode*anodePitch/sigA; | |
515 | tStep = timeStep/(nsplitTb*fScaleSize*sigT); | |
516 | tConst = drTime/sigT; | |
517 | // Define SDD window corresponding to the hit | |
518 | anodeWindow = (Int_t)(nsigma*sigA/anodePitch+1); | |
519 | timeWindow = (Int_t) (fScaleSize*nsigma*sigT/timeStep+1.); | |
520 | jamin = (iAnode - anodeWindow - 2)*nsplitAn+1; | |
bee7f138 | 521 | if(jamin <= 0) jamin = 1; |
a72dbdfe | 522 | if(jamin > nofAnodes*nsplitAn){ |
523 | AliDebug(1,Form("Energy deposition completely outside anode acceptance: anode min=%d",jamin)); | |
524 | continue; | |
525 | } | |
526 | jamax = (iAnode + anodeWindow + 2)*nsplitAn; | |
527 | if(jamax > nofAnodes*nsplitAn) jamax = nofAnodes*nsplitAn; | |
528 | if(jamax <=0){ | |
529 | AliDebug(1,Form("Energy deposition completely outside anode acceptance: anode max=%d",jamax)); | |
530 | continue; | |
531 | } | |
bee7f138 | 532 | jtmin = (Int_t)(timeSample-timeWindow-2)*nsplitTb+1; |
bee7f138 | 533 | if(jtmin <= 0) jtmin = 1; |
a72dbdfe | 534 | if(jtmin > fScaleSize*fMaxNofSamples*nsplitTb){ |
535 | AliDebug(1,Form("Energy deposition completely outside time acceptance: time sample min=%d tof=%f",jtmin,tof)); | |
536 | continue; | |
537 | } | |
538 | jtmax = (Int_t)(timeSample+timeWindow+2)*nsplitTb; | |
539 | if(jtmax > fScaleSize*fMaxNofSamples*nsplitTb) jtmax = fScaleSize*fMaxNofSamples*nsplitTb; | |
540 | if(jtmax <= 0){ | |
541 | AliDebug(1,Form("Energy deposition completely outside time acceptance: time sample max=%d tof=%f",jtmax,tof)); | |
542 | continue; | |
543 | } | |
544 | ||
bee7f138 | 545 | // Spread the charge in the anode-time window |
546 | for(ka=jamin; ka <=jamax; ka++) { | |
547 | ia = (ka-1)/nsplitAn + 1; | |
548 | if(ia <= 0) ia=1; | |
549 | if(ia > nofAnodes) ia = nofAnodes; | |
550 | aExpo = (aStep*(ka-0.5)-aConst); | |
551 | if(TMath::Abs(aExpo) > nsigma) anodeAmplitude = 0.; | |
552 | else { | |
553 | Int_t theBin = (Int_t) ((aExpo+nsigma)/width+0.5); | |
554 | anodeAmplitude = amplitude*simpar->GetGausLookUp(theBin); | |
555 | } | |
556 | // index starts from 0 | |
557 | index = iWing*nofAnodes+ia-1; | |
558 | if(anodeAmplitude){ | |
559 | for(kt=jtmin; kt<=jtmax; kt++) { | |
560 | it = (kt-1)/nsplitTb+1; // it starts from 1 | |
561 | if(it<=0) it=1; | |
562 | if(it>fScaleSize*fMaxNofSamples) | |
563 | it = fScaleSize*fMaxNofSamples; | |
564 | tExpo = (tStep*(kt-0.5)-tConst); | |
565 | if(TMath::Abs(tExpo) > nsigma) timeAmplitude = 0.; | |
566 | else { | |
567 | Int_t theBin = (Int_t) ((tExpo+nsigma)/width+0.5); | |
568 | timeAmplitude = anodeAmplitude*simpar->GetGausLookUp(theBin)*aStep*tStep; | |
569 | } | |
570 | timeAmplitude *= nanoampToADC; | |
571 | // ListOfFiredCells(arg,timeAmplitude,alst,padr); | |
572 | Double_t charge = timeAmplitude; | |
573 | charge += fHitMap2->GetSignal(index,it-1); | |
574 | fHitMap2->SetHit(index, it-1, charge); | |
575 | fpList->AddSignal(index,it-1,itrack,ii-1, | |
576 | mod->GetIndex(),timeAmplitude); | |
577 | fAnodeFire[index] = kTRUE; | |
578 | } // end loop over time in window | |
579 | } // end if anodeAmplitude | |
580 | } // loop over anodes in window | |
581 | } // end loop over "sub-hits" | |
582 | } // end loop over hits | |
b0f5e3fc | 583 | } |
aacedc3e | 584 | |
b0f5e3fc | 585 | //____________________________________________ |
83ec5e27 | 586 | void AliITSsimulationSDD::AddDigit( Int_t i, Int_t j, Int_t signalc, Int_t signale) { |
20f3f947 | 587 | // Adds a Digit. |
588 | Int_t size = AliITSdigit::GetNTracks(); | |
589 | ||
590 | Int_t digits[3]; | |
591 | Int_t * tracks = new Int_t[size]; | |
592 | Int_t * hits = new Int_t[size]; | |
593 | Float_t phys; | |
594 | Float_t * charges = new Float_t[size]; | |
595 | ||
596 | digits[0] = i; | |
597 | digits[1] = j; | |
83ec5e27 | 598 | digits[2] = signalc; |
20f3f947 | 599 | |
600 | AliITSpListItem *pItem = fpList->GetpListItem( i, j ); | |
601 | if( pItem == 0 ) { | |
602 | phys = 0.0; | |
603 | for( Int_t l=0; l<size; l++ ) { | |
604 | tracks[l] = 0; | |
605 | hits[l] = 0; | |
606 | charges[l] = 0.0; | |
50d05d7b | 607 | } |
20f3f947 | 608 | } else { |
609 | Int_t idtrack = pItem->GetTrack( 0 ); | |
610 | if( idtrack >= 0 ) phys = pItem->GetSignal(); | |
611 | else phys = 0.0; | |
612 | ||
613 | for( Int_t l=0; l<size; l++ ) if(l<pItem->GetMaxKept()) { | |
614 | tracks[l] = pItem->GetTrack( l ); | |
615 | hits[l] = pItem->GetHit( l ); | |
616 | charges[l] = pItem->GetSignal( l ); | |
617 | }else{ | |
618 | tracks[l] = -3; | |
619 | hits[l] = -1; | |
620 | charges[l] = 0.0; | |
621 | }// end for if | |
622 | } | |
50d05d7b | 623 | |
83ec5e27 | 624 | fITS->AddSimDigit( 1, phys, digits, tracks, hits, charges, signale ); |
20f3f947 | 625 | delete [] tracks; |
626 | delete [] hits; | |
627 | delete [] charges; | |
aacedc3e | 628 | } |
8a33ae9e | 629 | //______________________________________________________________________ |
5683bd96 | 630 | void AliITSsimulationSDD::ChargeToSignal(Int_t mod,Bool_t bAddNoise, Bool_t bAddGain) { |
631 | // add baseline, noise, gain, electronics and ADC saturation effects | |
632 | // apply dead channels | |
633 | ||
5683bd96 | 634 | AliITSCalibrationSDD* res = (AliITSCalibrationSDD*)GetCalibrationModel(mod); |
5683bd96 | 635 | Double_t baseline=0; |
636 | Double_t noise=0; | |
637 | Double_t gain=0; | |
638 | Float_t contrib=0; | |
639 | Int_t i,k,kk; | |
cd2a0045 | 640 | AliITSSimuParam* simpar = fDetType->GetSimuParam(); |
641 | Float_t maxadc = simpar->GetSDDMaxAdc(); | |
aebba721 | 642 | Int_t nGroup=fScaleSize; |
643 | if(res->IsAMAt20MHz()){ | |
644 | nGroup=fScaleSize/2; | |
645 | } | |
5683bd96 | 646 | |
647 | for (i=0;i<fNofMaps;i++) { | |
648 | if( !fAnodeFire[i] ) continue; | |
649 | baseline = res->GetBaseline(i); | |
650 | noise = res->GetNoise(i); | |
cf8425ac | 651 | gain = res->GetChannelGain(i)/fDetType->GetAverageGainSDD(); |
eefec958 | 652 | if(res->IsBad()) gain=0.; |
13a2b50d | 653 | if( res->IsChipBad(res->GetChip(i)) )gain=0.; |
5683bd96 | 654 | for(k=0; k<fScaleSize*fMaxNofSamples; k++) { |
655 | fInZR[k] = fHitMap2->GetSignal(i,k); | |
656 | if(bAddGain) fInZR[k]*=gain; | |
657 | if( bAddNoise ) { | |
658 | contrib = (baseline + noise*gRandom->Gaus()); | |
659 | fInZR[k] += contrib; | |
660 | } | |
661 | fInZI[k] = 0.; | |
662 | } // end for k | |
b27af87f | 663 | if(!fDoFFT) { |
5683bd96 | 664 | for(k=0; k<fMaxNofSamples; k++) { |
665 | Double_t newcont = 0.; | |
666 | Double_t maxcont = 0.; | |
667 | for(kk=0;kk<fScaleSize;kk++) { | |
668 | newcont = fInZR[fScaleSize*k+kk]; | |
669 | if(newcont > maxcont) maxcont = newcont; | |
670 | } // end for kk | |
671 | newcont = maxcont; | |
672 | if (newcont >= maxadc) newcont = maxadc -1; | |
673 | if(newcont >= baseline){ | |
a5a317a9 | 674 | Warning("","newcont=%f>=baseline=%f",newcont,baseline); |
5683bd96 | 675 | } // end if |
676 | // back to analog: ? | |
677 | fHitMap2->SetHit(i,k,newcont); | |
678 | } // end for k | |
679 | }else{ | |
20f3f947 | 680 | FastFourierTransform(&fInZR[0],&fInZI[0],1); |
5683bd96 | 681 | for(k=0; k<fScaleSize*fMaxNofSamples; k++) { |
682 | Double_t rw = fElectronics->GetTraFunReal(k); | |
683 | Double_t iw = fElectronics->GetTraFunImag(k); | |
684 | fOutZR[k] = fInZR[k]*rw - fInZI[k]*iw; | |
685 | fOutZI[k] = fInZR[k]*iw + fInZI[k]*rw; | |
686 | } // end for k | |
20f3f947 | 687 | FastFourierTransform(&fOutZR[0],&fOutZI[0],-1); |
5683bd96 | 688 | for(k=0; k<fMaxNofSamples; k++) { |
689 | Double_t newcont1 = 0.; | |
690 | Double_t maxcont1 = 0.; | |
aebba721 | 691 | for(kk=0;kk<nGroup;kk++) { |
5683bd96 | 692 | newcont1 = fOutZR[fScaleSize*k+kk]; |
693 | if(newcont1 > maxcont1) maxcont1 = newcont1; | |
694 | } // end for kk | |
695 | newcont1 = maxcont1; | |
696 | if (newcont1 >= maxadc) newcont1 = maxadc -1; | |
697 | fHitMap2->SetHit(i,k,newcont1); | |
698 | } // end for k | |
699 | } | |
700 | } // end for i loop over anodes | |
701 | return; | |
50d05d7b | 702 | } |
5683bd96 | 703 | |
50d05d7b | 704 | //______________________________________________________________________ |
8ba39da9 | 705 | void AliITSsimulationSDD::ApplyCrosstalk(Int_t mod) { |
aacedc3e | 706 | // function add the crosstalk effect to signal |
707 | // temporal function, should be checked...!!! | |
8ba39da9 | 708 | |
aacedc3e | 709 | // create and inizialice crosstalk map |
710 | Float_t* ctk = new Float_t[fNofMaps*fMaxNofSamples+1]; | |
aacedc3e | 711 | memset( ctk, 0, sizeof(Float_t)*(fNofMaps*fMaxNofSamples+1) ); |
f45f6658 | 712 | AliITSCalibrationSDD* calibr = (AliITSCalibrationSDD*)GetCalibrationModel(mod); |
aacedc3e | 713 | for( Int_t z=0; z<fNofMaps; z++ ) { |
f45f6658 | 714 | Double_t baseline = calibr->GetBaseline(z); |
aacedc3e | 715 | Bool_t on = kFALSE; |
716 | Int_t tstart = 0; | |
717 | Int_t tstop = 0; | |
718 | Int_t nTsteps = 0; | |
50d05d7b | 719 | |
aacedc3e | 720 | for( Int_t l=0; l<fMaxNofSamples; l++ ) { |
721 | Float_t fadc = (Float_t)fHitMap2->GetSignal( z, l ); | |
722 | if( fadc > baseline ) { | |
723 | if( on == kFALSE && l<fMaxNofSamples-4 ) { | |
724 | Float_t fadc1 = (Float_t)fHitMap2->GetSignal( z, l+1 ); | |
725 | if( fadc1 < fadc ) continue; | |
726 | on = kTRUE; | |
727 | nTsteps = 0; | |
728 | tstart = l; | |
729 | } | |
730 | nTsteps++; | |
731 | } | |
732 | else { // end fadc > baseline | |
733 | if( on == kTRUE ) { | |
734 | if( nTsteps > 2 ) { | |
735 | tstop = l; | |
736 | // make smooth derivative | |
737 | Float_t* dev = new Float_t[fMaxNofSamples+1]; | |
738 | memset( dev, 0, sizeof(Float_t)*(fMaxNofSamples+1) ); | |
aacedc3e | 739 | for( Int_t i=tstart; i<tstop; i++ ) { |
740 | if( i > 2 && i < fMaxNofSamples-2 ) | |
741 | dev[i] = -0.2*fHitMap2->GetSignal( z,i-2 ) | |
742 | -0.1*fHitMap2->GetSignal( z,i-1 ) | |
743 | +0.1*fHitMap2->GetSignal( z,i+1 ) | |
744 | +0.2*fHitMap2->GetSignal( z,i+2 ); | |
745 | } | |
50d05d7b | 746 | |
aacedc3e | 747 | // add crosstalk contribution to neibourg anodes |
748 | for( Int_t i=tstart; i<tstop; i++ ) { | |
749 | Int_t anode = z - 1; | |
750 | Int_t i1 = (Int_t)((i-tstart)*.61+tstart+0.5); // | |
751 | Float_t ctktmp = -dev[i1] * 0.25; | |
752 | if( anode > 0 ) { | |
753 | ctk[anode*fMaxNofSamples+i] += ctktmp; | |
754 | } | |
755 | anode = z + 1; | |
756 | if( anode < fNofMaps ) { | |
757 | ctk[anode*fMaxNofSamples+i] += ctktmp; | |
758 | } | |
759 | } | |
760 | delete [] dev; | |
50d05d7b | 761 | |
aacedc3e | 762 | } // if( nTsteps > 2 ) |
763 | on = kFALSE; | |
764 | } // if( on == kTRUE ) | |
765 | } // else | |
766 | } | |
3d2c9d72 | 767 | } |
50d05d7b | 768 | |
aacedc3e | 769 | for( Int_t a=0; a<fNofMaps; a++ ) |
770 | for( Int_t t=0; t<fMaxNofSamples; t++ ) { | |
771 | Float_t signal = fHitMap2->GetSignal(a,t)+ctk[a*fMaxNofSamples+t]; | |
772 | fHitMap2->SetHit( a, t, signal ); | |
773 | } | |
774 | ||
775 | delete [] ctk; | |
50d05d7b | 776 | } |
f45f6658 | 777 | |
8a33ae9e | 778 | //______________________________________________________________________ |
779 | Int_t AliITSsimulationSDD::Convert10to8(Int_t signal) const { | |
aacedc3e | 780 | // To the 10 to 8 bit lossive compression. |
781 | // code from Davide C. and Albert W. | |
782 | ||
783 | if (signal < 128) return signal; | |
784 | if (signal < 256) return (128+((signal-128)>>1)); | |
785 | if (signal < 512) return (192+((signal-256)>>3)); | |
786 | if (signal < 1024) return (224+((signal-512)>>4)); | |
787 | return 0; | |
b0f5e3fc | 788 | } |
8a33ae9e | 789 | //______________________________________________________________________ |
83ec5e27 | 790 | Int_t AliITSsimulationSDD::Convert8to10(Int_t signal) const { |
791 | // Decompression from 8 to 10 bit | |
792 | ||
793 | if (signal < 0 || signal > 255) { | |
794 | AliWarning(Form("Signal value %d out of range",signal)); | |
795 | return 0; | |
796 | } // end if signal <0 || signal >255 | |
797 | ||
798 | if (signal < 128) return signal; | |
799 | if (signal < 192) { | |
800 | if (TMath::Odd(signal)) return (128+((signal-128)<<1)); | |
801 | else return (128+((signal-128)<<1)+1); | |
802 | } // end if signal < 192 | |
803 | if (signal < 224) { | |
804 | if (TMath::Odd(signal)) return (256+((signal-192)<<3)+3); | |
805 | else return (256+((signal-192)<<3)+4); | |
806 | } // end if signal < 224 | |
807 | if (TMath::Odd(signal)) return (512+((signal-224)<<4)+7); | |
808 | return (512+((signal-224)<<4)+8); | |
809 | } | |
810 | //______________________________________________________________________ | |
b0f5e3fc | 811 | void AliITSsimulationSDD::Compress2D(){ |
20f3f947 | 812 | // 2D zero-suppression algorithm as described in ALICE-INT-1999-28 V10 |
813 | AliITSCalibrationSDD* res = (AliITSCalibrationSDD*)GetCalibrationModel(fModule); | |
20f3f947 | 814 | for (Int_t iWing=0; iWing<2; iWing++) { |
815 | Int_t tL=res->GetZSLowThreshold(iWing); | |
816 | Int_t tH=res->GetZSHighThreshold(iWing); | |
817 | for (Int_t i=0; i<fNofMaps/2; i++) { | |
818 | Int_t ian=i+iWing*fNofMaps/2; | |
819 | if( !fAnodeFire[ian] ) continue; | |
820 | for (Int_t itb=0; itb<fMaxNofSamples; itb++) { | |
8343dab6 | 821 | Int_t nLow=0, nHigh=0; |
20f3f947 | 822 | Float_t cC=fHitMap2->GetSignal(ian,itb); |
823 | if(cC<=tL) continue; | |
8343dab6 | 824 | nLow++; // cC is greater than tL |
825 | if(cC>tH) nHigh++; | |
20f3f947 | 826 | // N |
827 | // Get "quintuple": WCE | |
828 | // S | |
829 | Float_t wW=0.; | |
830 | if(itb>0) wW=fHitMap2->GetSignal(ian,itb-1); | |
8343dab6 | 831 | if(wW>tL) nLow++; |
832 | if(wW>tH) nHigh++; | |
20f3f947 | 833 | Float_t eE=0.; |
834 | if(itb<fMaxNofSamples-1) eE=fHitMap2->GetSignal(ian,itb+1); | |
8343dab6 | 835 | if(eE>tL) nLow++; |
836 | if(eE>tH) nHigh++; | |
20f3f947 | 837 | Float_t nN=0.; |
838 | if(i<(fNofMaps/2-1)) nN=fHitMap2->GetSignal(ian+1,itb); | |
8343dab6 | 839 | if(nN>tL) nLow++; |
840 | if(nN>tH) nHigh++; | |
20f3f947 | 841 | Float_t sS=0.; |
842 | if(i>0) sS=fHitMap2->GetSignal(ian-1,itb); | |
8343dab6 | 843 | if(sS>tL) nLow++; |
844 | if(sS>tH) nHigh++; | |
845 | ||
ad98389f | 846 | if(nLow>=2 && nHigh>=1){ |
83ec5e27 | 847 | Int_t signal=(Int_t)cC; |
848 | Int_t signalc = Convert10to8(signal); | |
849 | Int_t signale = Convert8to10(signalc); | |
850 | signalc-=tL; // subtract low threshold after 10 to 8 bit compression | |
e55354a4 | 851 | if(signalc>=4) AddDigit(ian,itb,signalc,signale); // store C |
20f3f947 | 852 | } |
853 | } | |
854 | } | |
855 | } | |
b0f5e3fc | 856 | } |
8ba39da9 | 857 | |
aacedc3e | 858 | |
8a33ae9e | 859 | //______________________________________________________________________ |
b0f5e3fc | 860 | void AliITSsimulationSDD::StoreAllDigits(){ |
fa4f0f62 | 861 | // store digits for non-zero-suppressed data |
862 | for (Int_t ian=0; ian<fNofMaps; ian++) { | |
863 | for (Int_t itb=0; itb<fMaxNofSamples; itb++){ | |
864 | Int_t signal=(Int_t)(fHitMap2->GetSignal(ian,itb)); | |
865 | Int_t signalc = Convert10to8(signal); | |
866 | Int_t signale = Convert8to10(signalc); | |
867 | AddDigit(ian,itb,signalc,signale); | |
868 | } | |
869 | } | |
b0f5e3fc | 870 | } |
8a33ae9e | 871 | //______________________________________________________________________ |
ece86d9a | 872 | void AliITSsimulationSDD::CreateHistograms(Int_t scale){ |
2c4e6a6a | 873 | // Creates histograms of maps for debugging |
874 | Int_t i; | |
875 | ||
876 | fHis=new TObjArray(fNofMaps); | |
877 | for (i=0;i<fNofMaps;i++) { | |
878 | TString sddName; | |
879 | sddName.Form("sdd_%d",i+1); | |
880 | fHis->AddAt(new TH1F(sddName.Data(),"SDD maps",scale*fMaxNofSamples, | |
881 | 0.,(Float_t) scale*fMaxNofSamples), i); | |
882 | } // end for i | |
b0f5e3fc | 883 | } |
8a33ae9e | 884 | //______________________________________________________________________ |
ece86d9a | 885 | void AliITSsimulationSDD::FillHistograms(){ |
aacedc3e | 886 | // fill 1D histograms from map |
8a33ae9e | 887 | |
aacedc3e | 888 | if (!fHis) return; |
8a33ae9e | 889 | |
aacedc3e | 890 | for( Int_t i=0; i<fNofMaps; i++) { |
891 | TH1F *hist =(TH1F *)fHis->UncheckedAt(i); | |
892 | Int_t nsamples = hist->GetNbinsX(); | |
893 | for( Int_t j=0; j<nsamples; j++) { | |
894 | Double_t signal=fHitMap2->GetSignal(i,j); | |
895 | hist->Fill((Float_t)j,signal); | |
896 | } // end for j | |
897 | } // end for i | |
ece86d9a | 898 | } |
8a33ae9e | 899 | //______________________________________________________________________ |
b0f5e3fc | 900 | void AliITSsimulationSDD::ResetHistograms(){ |
aacedc3e | 901 | // Reset histograms for this detector |
902 | Int_t i; | |
8a33ae9e | 903 | |
aacedc3e | 904 | for (i=0;i<fNofMaps;i++ ) { |
905 | if (fHis->At(i)) ((TH1F*)fHis->At(i))->Reset(); | |
906 | } // end for i | |
b0f5e3fc | 907 | } |
8a33ae9e | 908 | //______________________________________________________________________ |
b0f5e3fc | 909 | TH1F *AliITSsimulationSDD::GetAnode(Int_t wing, Int_t anode) { |
aacedc3e | 910 | // Fills a histogram from a give anode. |
8a33ae9e | 911 | |
aacedc3e | 912 | if (!fHis) return 0; |
8a33ae9e | 913 | |
aacedc3e | 914 | if(wing <=0 || wing > 2) { |
915 | Warning("GetAnode","Wrong wing number: %d",wing); | |
916 | return NULL; | |
917 | } // end if wing <=0 || wing >2 | |
918 | if(anode <=0 || anode > fNofMaps/2) { | |
919 | Warning("GetAnode","Wrong anode number: %d",anode); | |
920 | return NULL; | |
921 | } // end if ampde <=0 || andoe > fNofMaps/2 | |
8a33ae9e | 922 | |
aacedc3e | 923 | Int_t index = (wing-1)*fNofMaps/2 + anode-1; |
924 | return (TH1F*)(fHis->At(index)); | |
b0f5e3fc | 925 | } |
8a33ae9e | 926 | //______________________________________________________________________ |
b0f5e3fc | 927 | void AliITSsimulationSDD::WriteToFile(TFile *hfile) { |
aacedc3e | 928 | // Writes the histograms to a file |
b0f5e3fc | 929 | |
aacedc3e | 930 | if (!fHis) return; |
8a33ae9e | 931 | |
aacedc3e | 932 | hfile->cd(); |
933 | Int_t i; | |
934 | for(i=0; i<fNofMaps; i++) fHis->At(i)->Write(); //fAdcs[i]->Write(); | |
935 | return; | |
b0f5e3fc | 936 | } |
8a33ae9e | 937 | //______________________________________________________________________ |
50d05d7b | 938 | void AliITSsimulationSDD::WriteSDigits(){ |
aacedc3e | 939 | // Fills the Summable digits Tree |
940 | static AliITS *aliITS = (AliITS*)gAlice->GetModule("ITS"); | |
941 | ||
942 | for( Int_t i=0; i<fNofMaps; i++ ) { | |
943 | if( !fAnodeFire[i] ) continue; | |
f6b6d58e | 944 | for( Int_t j=0; j<fMaxNofSamples; j++ ) { |
aacedc3e | 945 | Double_t sig = fHitMap2->GetSignal( i, j ); |
946 | if( sig > 0.2 ) { | |
947 | Int_t jdx = j*fScaleSize; | |
948 | Int_t index = fpList->GetHitIndex( i, j ); | |
949 | AliITSpListItem pItemTmp2( fModule, index, 0. ); | |
950 | // put the fScaleSize analog digits in only one | |
951 | for( Int_t ik=0; ik<fScaleSize; ik++ ) { | |
952 | AliITSpListItem *pItemTmp = fpList->GetpListItem(i,jdx+ik); | |
953 | if( pItemTmp == 0 ) continue; | |
954 | pItemTmp2.Add( pItemTmp ); | |
955 | } | |
956 | pItemTmp2.AddSignalAfterElect( fModule, index, sig ); | |
957 | pItemTmp2.AddNoise(fModule,index,fHitNoiMap2->GetSignal(i,j)); | |
958 | aliITS->AddSumDigit( pItemTmp2 ); | |
959 | } // end if (sig > 0.2) | |
960 | } | |
48058160 | 961 | } |
aacedc3e | 962 | return; |
b0f5e3fc | 963 | } |
8a33ae9e | 964 | //______________________________________________________________________ |
d2f55a22 | 965 | void AliITSsimulationSDD::PrintStatus() const { |
aacedc3e | 966 | // Print SDD simulation Parameters |
967 | ||
968 | cout << "**************************************************" << endl; | |
969 | cout << " Silicon Drift Detector Simulation Parameters " << endl; | |
970 | cout << "**************************************************" << endl; | |
971 | cout << "Flag for Perpendicular tracks: " << (Int_t) fFlag << endl; | |
aacedc3e | 972 | cout << "Flag to switch off electronics: " << (Int_t) fDoFFT << endl; |
20f3f947 | 973 | cout << "Number of Anodes used: " << fNofMaps << endl; |
aacedc3e | 974 | cout << "Number of Time Samples: " << fMaxNofSamples << endl; |
975 | cout << "Scale size factor: " << fScaleSize << endl; | |
976 | cout << "**************************************************" << endl; | |
44a312c3 | 977 | } |