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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> | |
1ca7869b | 21 | #include <string.h> |
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" |
35 | #include "AliITSpList.h" | |
c7a4dac0 | 36 | #include "AliITSresponseSDD.h" |
fcf95fc7 | 37 | #include "AliITSCalibrationSDD.h" |
f77f13c8 | 38 | #include "AliITSsegmentationSDD.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 | ||
52 | //______________________________________________________________________ | |
aacedc3e | 53 | Int_t power(Int_t b, Int_t e) { |
54 | // compute b to the e power, where both b and e are Int_ts. | |
55 | Int_t power = 1,i; | |
3d2c9d72 | 56 | |
aacedc3e | 57 | for(i=0; i<e; i++) power *= b; |
58 | return power; | |
8a33ae9e | 59 | } |
60 | //______________________________________________________________________ | |
b0f5e3fc | 61 | void FastFourierTransform(AliITSetfSDD *alisddetf,Double_t *real, |
62 | Double_t *imag,Int_t direction) { | |
aacedc3e | 63 | // Do a Fast Fourier Transform |
64 | ||
65 | Int_t samples = alisddetf->GetSamples(); | |
66 | Int_t l = (Int_t) ((log((Float_t) samples)/log(2.))+0.5); | |
67 | Int_t m1 = samples; | |
68 | Int_t m = samples/2; | |
69 | Int_t m2 = samples/m1; | |
70 | Int_t i,j,k; | |
71 | for(i=1; i<=l; i++) { | |
72 | for(j=0; j<samples; j += m1) { | |
73 | Int_t p = 0; | |
74 | for(k=j; k<= j+m-1; k++) { | |
75 | Double_t wsr = alisddetf->GetWeightReal(p); | |
76 | Double_t wsi = alisddetf->GetWeightImag(p); | |
77 | if(direction == -1) wsi = -wsi; | |
78 | Double_t xr = *(real+k+m); | |
79 | Double_t xi = *(imag+k+m); | |
80 | *(real+k+m) = wsr*(*(real+k)-xr) - wsi*(*(imag+k)-xi); | |
81 | *(imag+k+m) = wsr*(*(imag+k)-xi) + wsi*(*(real+k)-xr); | |
82 | *(real+k) += xr; | |
83 | *(imag+k) += xi; | |
84 | p += m2; | |
85 | } // end for k | |
86 | } // end for j | |
87 | m1 = m; | |
88 | m /= 2; | |
89 | m2 += m2; | |
3d2c9d72 | 90 | } // end for i |
aacedc3e | 91 | |
92 | for(j=0; j<samples; j++) { | |
93 | Int_t j1 = j; | |
94 | Int_t p = 0; | |
95 | Int_t i1; | |
96 | for(i1=1; i1<=l; i1++) { | |
97 | Int_t j2 = j1; | |
98 | j1 /= 2; | |
99 | p = p + p + j2 - j1 - j1; | |
100 | } // end for i1 | |
101 | if(p >= j) { | |
102 | Double_t xr = *(real+j); | |
103 | Double_t xi = *(imag+j); | |
104 | *(real+j) = *(real+p); | |
105 | *(imag+j) = *(imag+p); | |
106 | *(real+p) = xr; | |
107 | *(imag+p) = xi; | |
108 | } // end if p>=j | |
109 | } // end for j | |
110 | if(direction == -1) { | |
111 | for(i=0; i<samples; i++) { | |
112 | *(real+i) /= samples; | |
113 | *(imag+i) /= samples; | |
114 | } // end for i | |
115 | } // end if direction == -1 | |
116 | return; | |
b0f5e3fc | 117 | } |
8a33ae9e | 118 | //______________________________________________________________________ |
aacedc3e | 119 | AliITSsimulationSDD::AliITSsimulationSDD(): |
120 | AliITSsimulation(), | |
121 | fITS(0), | |
122 | fHitMap2(0), | |
123 | fHitSigMap2(0), | |
124 | fHitNoiMap2(0), | |
125 | fStream(0), | |
126 | fElectronics(0), | |
127 | fInZR(0), | |
128 | fInZI(0), | |
129 | fOutZR(0), | |
130 | fOutZI(0), | |
131 | fAnodeFire(0), | |
132 | fHis(0), | |
133 | fD(), | |
134 | fT1(), | |
7537d03c | 135 | fT2(), |
aacedc3e | 136 | fTol(), |
aacedc3e | 137 | fTreeB(0), |
7537d03c | 138 | fParam(0), |
aacedc3e | 139 | fFileName(), |
140 | fFlag(kFALSE), | |
141 | fCheckNoise(kFALSE), | |
142 | fCrosstalkFlag(kFALSE), | |
143 | fDoFFT(1), | |
144 | fNofMaps(0), | |
145 | fMaxNofSamples(0), | |
146 | fScaleSize(0){ | |
147 | // Default constructor | |
148 | SetScaleFourier(); | |
149 | SetPerpendTracksFlag(); | |
150 | SetCrosstalkFlag(); | |
151 | SetDoFFT(); | |
152 | SetCheckNoise(); | |
b0f5e3fc | 153 | } |
8a33ae9e | 154 | //______________________________________________________________________ |
7537d03c | 155 | AliITSsimulationSDD::AliITSsimulationSDD(const AliITSsimulationSDD &source) : |
156 | AliITSsimulation(source), | |
157 | fITS(source.fITS), | |
158 | fHitMap2(source.fHitMap2), | |
159 | fHitSigMap2(source.fHitSigMap2), | |
160 | fHitNoiMap2(source.fHitNoiMap2), | |
161 | fStream(source.fStream), | |
162 | fElectronics(source.fElectronics), | |
163 | fInZR(source.fInZR), | |
164 | fInZI(source.fInZI), | |
165 | fOutZR(source.fOutZR), | |
166 | fOutZI(source.fOutZI), | |
167 | fAnodeFire(source.fAnodeFire), | |
168 | fHis(source.fHis), | |
169 | fD(source.fD), | |
170 | fT1(source.fT1), | |
171 | fT2(source.fT2), | |
172 | fTol(source.fTol), | |
173 | fTreeB(source.fTreeB), | |
174 | fParam(source.fParam), | |
175 | fFileName(source.fFileName), | |
176 | fFlag(source.fFlag), | |
177 | fCheckNoise(source.fCheckNoise), | |
178 | fCrosstalkFlag(source.fCrosstalkFlag), | |
179 | fDoFFT(source.fDoFFT), | |
180 | fNofMaps(source.fNofMaps), | |
181 | fMaxNofSamples(source.fMaxNofSamples), | |
182 | fScaleSize(source.fScaleSize){ | |
aacedc3e | 183 | // Copy constructor to satify Coding roules only. |
8a33ae9e | 184 | |
b0f5e3fc | 185 | } |
8a33ae9e | 186 | //______________________________________________________________________ |
d2f55a22 | 187 | AliITSsimulationSDD& AliITSsimulationSDD::operator=(const AliITSsimulationSDD &src){ |
188 | // Assignment operator to satify Coding roules only. | |
189 | ||
190 | if(this==&src) return *this; | |
191 | Error("AliITSsimulationSDD","Not allowed to make a = with " | |
192 | "AliITSsimulationSDD Using default creater instead"); | |
193 | return *this ; | |
194 | } | |
195 | //______________________________________________________________________ | |
5402d9ca | 196 | AliITSsimulation& AliITSsimulationSDD::operator=(const AliITSsimulation &src){ |
aacedc3e | 197 | // Assignment operator to satify Coding roules only. |
8a33ae9e | 198 | |
aacedc3e | 199 | if(this==&src) return *this; |
200 | Error("AliITSsimulationSSD","Not allowed to make a = with " | |
201 | "AliITSsimulationSDD Using default creater instead"); | |
202 | return *this ; | |
b0f5e3fc | 203 | } |
d2f55a22 | 204 | |
8a33ae9e | 205 | //______________________________________________________________________ |
8ba39da9 | 206 | AliITSsimulationSDD::AliITSsimulationSDD(AliITSDetTypeSim* dettyp): |
207 | AliITSsimulation(dettyp), | |
aacedc3e | 208 | fITS(0), |
209 | fHitMap2(0), | |
210 | fHitSigMap2(0), | |
211 | fHitNoiMap2(0), | |
212 | fStream(0), | |
213 | fElectronics(0), | |
214 | fInZR(0), | |
215 | fInZI(0), | |
216 | fOutZR(0), | |
217 | fOutZI(0), | |
218 | fAnodeFire(0), | |
219 | fHis(0), | |
220 | fD(), | |
221 | fT1(), | |
f45f6658 | 222 | fT2(), |
aacedc3e | 223 | fTol(), |
aacedc3e | 224 | fTreeB(0), |
f45f6658 | 225 | fParam(), |
aacedc3e | 226 | fFileName(), |
227 | fFlag(kFALSE), | |
228 | fCheckNoise(kFALSE), | |
229 | fCrosstalkFlag(kFALSE), | |
230 | fDoFFT(1), | |
231 | fNofMaps(0), | |
232 | fMaxNofSamples(0), | |
233 | fScaleSize(0){ | |
f45f6658 | 234 | // Default Constructor |
235 | Init(); | |
c7a4dac0 | 236 | } |
237 | //______________________________________________________________________ | |
aacedc3e | 238 | void AliITSsimulationSDD::Init(){ |
239 | // Standard Constructor | |
240 | ||
241 | SetScaleFourier(); | |
242 | SetPerpendTracksFlag(); | |
243 | SetCrosstalkFlag(); | |
244 | SetDoFFT(); | |
245 | SetCheckNoise(); | |
246 | ||
8ba39da9 | 247 | AliITSsegmentationSDD* seg = (AliITSsegmentationSDD*)GetSegmentationModel(1); |
248 | ||
f45f6658 | 249 | AliITSresponseSDD* res = (AliITSresponseSDD*)fDetType->GetResponse(1); |
8ba39da9 | 250 | fpList = new AliITSpList( seg->Npz(), |
251 | fScaleSize*seg->Npx() ); | |
252 | fHitSigMap2 = new AliITSMapA2(seg,fScaleSize,1); | |
253 | fHitNoiMap2 = new AliITSMapA2(seg,fScaleSize,1); | |
aacedc3e | 254 | fHitMap2 = fHitSigMap2; |
255 | ||
8ba39da9 | 256 | fNofMaps = seg->Npz(); |
257 | fMaxNofSamples = seg->Npx(); | |
aacedc3e | 258 | fAnodeFire = new Bool_t [fNofMaps]; |
43217ad9 | 259 | |
8ba39da9 | 260 | Float_t sddWidth = seg->Dz(); |
aacedc3e | 261 | Int_t dummy = 0; |
8ba39da9 | 262 | Float_t anodePitch = seg->Dpz(dummy); |
263 | Double_t timeStep = (Double_t)seg->Dpx(dummy); | |
aacedc3e | 264 | |
265 | if(anodePitch*(fNofMaps/2) > sddWidth) { | |
266 | Warning("AliITSsimulationSDD", | |
267 | "Too many anodes %d or too big pitch %f \n", | |
268 | fNofMaps/2,anodePitch); | |
269 | } // end if | |
b0f5e3fc | 270 | |
b0f5e3fc | 271 | |
aacedc3e | 272 | fElectronics = new AliITSetfSDD(timeStep/fScaleSize, |
f45f6658 | 273 | res->Electronics()); |
b0f5e3fc | 274 | |
aacedc3e | 275 | char opt1[20], opt2[20]; |
f45f6658 | 276 | res->ParamOptions(opt1,opt2); |
aacedc3e | 277 | fParam = opt2; |
aacedc3e | 278 | |
f45f6658 | 279 | const char *kopt=res->ZeroSuppOption(); |
280 | fD.Set(fNofMaps); | |
281 | fT1.Set(fNofMaps); | |
282 | fT2.Set(fNofMaps); | |
283 | fTol.Set(fNofMaps); | |
284 | ||
8ba39da9 | 285 | Bool_t write = res->OutputOption(); |
aacedc3e | 286 | if(write && strstr(kopt,"2D")) MakeTreeB(); |
f45f6658 | 287 | |
aacedc3e | 288 | fITS = (AliITS*)gAlice->GetModule("ITS"); |
289 | Int_t size = fNofMaps*fMaxNofSamples; | |
290 | fStream = new AliITSInStream(size); | |
291 | ||
292 | fInZR = new Double_t [fScaleSize*fMaxNofSamples]; | |
293 | fInZI = new Double_t [fScaleSize*fMaxNofSamples]; | |
294 | fOutZR = new Double_t [fScaleSize*fMaxNofSamples]; | |
295 | fOutZI = new Double_t [fScaleSize*fMaxNofSamples]; | |
b0f5e3fc | 296 | } |
8a33ae9e | 297 | //______________________________________________________________________ |
b0f5e3fc | 298 | AliITSsimulationSDD::~AliITSsimulationSDD() { |
aacedc3e | 299 | // destructor |
300 | ||
301 | // delete fpList; | |
302 | delete fHitSigMap2; | |
303 | delete fHitNoiMap2; | |
304 | delete fStream; | |
305 | delete fElectronics; | |
306 | ||
307 | fITS = 0; | |
308 | ||
309 | if (fHis) { | |
310 | fHis->Delete(); | |
311 | delete fHis; | |
312 | } // end if fHis | |
313 | if(fTreeB) delete fTreeB; | |
314 | if(fInZR) delete [] fInZR; | |
315 | if(fInZI) delete [] fInZI; | |
316 | if(fOutZR) delete [] fOutZR; | |
317 | if(fOutZI) delete [] fOutZI; | |
318 | if(fAnodeFire) delete [] fAnodeFire; | |
b0f5e3fc | 319 | } |
8a33ae9e | 320 | //______________________________________________________________________ |
50d05d7b | 321 | void AliITSsimulationSDD::InitSimulationModule( Int_t module, Int_t event ) { |
aacedc3e | 322 | // create maps to build the lists of tracks for each summable digit |
323 | fModule = module; | |
324 | fEvent = event; | |
325 | ClearMaps(); | |
326 | memset(fAnodeFire,0,sizeof(Bool_t)*fNofMaps); | |
50d05d7b | 327 | } |
328 | //______________________________________________________________________ | |
329 | void AliITSsimulationSDD::ClearMaps() { | |
aacedc3e | 330 | // clear maps |
331 | fpList->ClearMap(); | |
332 | fHitSigMap2->ClearMap(); | |
333 | fHitNoiMap2->ClearMap(); | |
50d05d7b | 334 | } |
335 | //______________________________________________________________________ | |
aacedc3e | 336 | void AliITSsimulationSDD::SDigitiseModule(AliITSmodule *mod,Int_t md,Int_t ev){ |
337 | // digitize module using the "slow" detector simulator creating | |
338 | // summable digits. | |
339 | ||
340 | TObjArray *fHits = mod->GetHits(); | |
341 | Int_t nhits = fHits->GetEntriesFast(); | |
342 | if( !nhits ) return; | |
343 | ||
344 | InitSimulationModule( md, ev ); | |
345 | HitsToAnalogDigits( mod ); | |
8ba39da9 | 346 | ChargeToSignal( fModule,kFALSE ); // - Process signal without add noise |
aacedc3e | 347 | fHitMap2 = fHitNoiMap2; // - Swap to noise map |
8ba39da9 | 348 | ChargeToSignal( fModule,kTRUE ); // - Process only noise |
aacedc3e | 349 | fHitMap2 = fHitSigMap2; // - Return to signal map |
350 | WriteSDigits(); | |
351 | ClearMaps(); | |
50d05d7b | 352 | } |
353 | //______________________________________________________________________ | |
aacedc3e | 354 | Bool_t AliITSsimulationSDD::AddSDigitsToModule(TClonesArray *pItemArray, |
355 | Int_t mask ) { | |
356 | // Add Summable digits to module maps. | |
f45f6658 | 357 | AliITSresponseSDD* res = (AliITSresponseSDD*)fDetType->GetResponse(1); |
aacedc3e | 358 | Int_t nItems = pItemArray->GetEntries(); |
f45f6658 | 359 | Double_t maxadc = res->MaxAdc(); |
aacedc3e | 360 | Bool_t sig = kFALSE; |
48058160 | 361 | |
aacedc3e | 362 | // cout << "Adding "<< nItems <<" SDigits to module " << fModule << endl; |
363 | for( Int_t i=0; i<nItems; i++ ) { | |
364 | AliITSpListItem * pItem = (AliITSpListItem *)(pItemArray->At( i )); | |
365 | if( pItem->GetModule() != fModule ) { | |
366 | Error( "AliITSsimulationSDD","Error reading, SDigits module " | |
367 | "%d != current module %d: exit", | |
368 | pItem->GetModule(), fModule ); | |
369 | return sig; | |
370 | } // end if | |
371 | ||
372 | if(pItem->GetSignal()>0.0 ) sig = kTRUE; | |
43217ad9 | 373 | |
aacedc3e | 374 | fpList->AddItemTo( mask, pItem ); // Add SignalAfterElect + noise |
375 | AliITSpListItem * pItem2 = fpList->GetpListItem( pItem->GetIndex() ); | |
376 | Double_t sigAE = pItem2->GetSignalAfterElect(); | |
377 | if( sigAE >= maxadc ) sigAE = maxadc-1; // avoid overflow signal | |
378 | Int_t ia; | |
379 | Int_t it; | |
380 | fpList->GetMapIndex( pItem->GetIndex(), ia, it ); | |
381 | fHitMap2->SetHit( ia, it, sigAE ); | |
382 | fAnodeFire[ia] = kTRUE; | |
383 | } | |
384 | return sig; | |
48058160 | 385 | } |
50d05d7b | 386 | //______________________________________________________________________ |
387 | void AliITSsimulationSDD::FinishSDigitiseModule() { | |
aacedc3e | 388 | // digitize module using the "slow" detector simulator from |
389 | // the sum of summable digits. | |
390 | FinishDigits() ; | |
391 | ClearMaps(); | |
c7a4dac0 | 392 | } |
393 | //______________________________________________________________________ | |
b0f5e3fc | 394 | void AliITSsimulationSDD::DigitiseModule(AliITSmodule *mod,Int_t md,Int_t ev){ |
aacedc3e | 395 | // create maps to build the lists of tracks for each digit |
b0f5e3fc | 396 | |
aacedc3e | 397 | TObjArray *fHits = mod->GetHits(); |
398 | Int_t nhits = fHits->GetEntriesFast(); | |
8a33ae9e | 399 | |
aacedc3e | 400 | InitSimulationModule( md, ev ); |
50d05d7b | 401 | |
aacedc3e | 402 | if( !nhits && fCheckNoise ) { |
8ba39da9 | 403 | ChargeToSignal( fModule,kTRUE ); // process noise |
aacedc3e | 404 | GetNoise(); |
405 | ClearMaps(); | |
406 | return; | |
407 | } else | |
408 | if( !nhits ) return; | |
48058160 | 409 | |
aacedc3e | 410 | HitsToAnalogDigits( mod ); |
8ba39da9 | 411 | ChargeToSignal( fModule,kTRUE ); // process signal + noise |
aacedc3e | 412 | |
413 | for( Int_t i=0; i<fNofMaps; i++ ) { | |
414 | for( Int_t j=0; j<fMaxNofSamples; j++ ) { | |
415 | Int_t jdx = j*fScaleSize; | |
416 | Int_t index = fpList->GetHitIndex( i, j ); | |
417 | AliITSpListItem pItemTmp2( fModule, index, 0. ); | |
418 | // put the fScaleSize analog digits in only one | |
419 | for( Int_t ik=0; ik<fScaleSize; ik++ ) { | |
420 | AliITSpListItem *pItemTmp = fpList->GetpListItem( i, jdx+ik ); | |
421 | if( pItemTmp == 0 ) continue; | |
422 | pItemTmp2.Add( pItemTmp ); | |
423 | } | |
424 | fpList->DeleteHit( i, j ); | |
425 | fpList->AddItemTo( 0, &pItemTmp2 ); | |
426 | } | |
48058160 | 427 | } |
aacedc3e | 428 | FinishDigits(); |
429 | ClearMaps(); | |
c7a4dac0 | 430 | } |
431 | //______________________________________________________________________ | |
50d05d7b | 432 | void AliITSsimulationSDD::FinishDigits() { |
aacedc3e | 433 | // introduce the electronics effects and do zero-suppression if required |
8a33ae9e | 434 | |
8ba39da9 | 435 | ApplyDeadChannels(fModule); |
436 | if( fCrosstalkFlag ) ApplyCrosstalk(fModule); | |
50d05d7b | 437 | |
f45f6658 | 438 | AliITSCalibrationSDD* res = (AliITSCalibrationSDD*)GetCalibrationModel(fModule); |
fcf95fc7 | 439 | const char *kopt = res->GetZeroSuppOption(); |
aacedc3e | 440 | ZeroSuppression( kopt ); |
c7a4dac0 | 441 | } |
442 | //______________________________________________________________________ | |
50d05d7b | 443 | void AliITSsimulationSDD::HitsToAnalogDigits( AliITSmodule *mod ) { |
aacedc3e | 444 | // create maps to build the lists of tracks for each digit |
445 | ||
8ba39da9 | 446 | AliITSsegmentationSDD* seg = (AliITSsegmentationSDD*)GetSegmentationModel(1); |
f45f6658 | 447 | AliITSCalibrationSDD* res = (AliITSCalibrationSDD*)GetCalibrationModel(fModule); |
8ba39da9 | 448 | TObjArray *hits = mod->GetHits(); |
aacedc3e | 449 | Int_t nhits = hits->GetEntriesFast(); |
8ba39da9 | 450 | |
aacedc3e | 451 | // Int_t arg[6] = {0,0,0,0,0,0}; |
d35ad08f | 452 | Int_t dummy = 0; |
453 | Int_t nofAnodes = fNofMaps/2; | |
454 | Double_t sddLength = seg->Dx(); | |
455 | Double_t sddWidth = seg->Dz(); | |
456 | Double_t anodePitch = seg->Dpz(dummy); | |
457 | Double_t timeStep = seg->Dpx(dummy); | |
4952f440 | 458 | Double_t driftSpeed ; // drift velocity (anode dependent) |
d35ad08f | 459 | //Float_t maxadc = res->GetMaxAdc(); |
460 | //Float_t topValue = res->GetDynamicRange(); | |
461 | Double_t norm = res->GetMaxAdc()/res->GetDynamicRange(); // maxadc/topValue; | |
462 | Double_t cHloss = res->GetChargeLoss(); | |
463 | Float_t dfCoeff, s1; res->DiffCoeff(dfCoeff,s1); // Signal 2d Shape | |
464 | Double_t eVpairs = res->GetGeVToCharge()*1.0E9; // 3.6 eV by def. | |
465 | Double_t nsigma = res->GetNSigmaIntegration(); // | |
466 | Int_t nlookups = res->GetGausNLookUp(); // | |
467 | Float_t jitter = res->GetJitterError(); // | |
aacedc3e | 468 | |
469 | // Piergiorgio's part (apart for few variables which I made float | |
470 | // when i thought that can be done | |
471 | // Fill detector maps with GEANT hits | |
472 | // loop over hits in the module | |
473 | ||
474 | const Float_t kconv = 1.0e+6; // GeV->KeV | |
d35ad08f | 475 | Int_t itrack = 0; |
476 | Int_t hitDetector; // detector number (lay,lad,hitDetector) | |
477 | Int_t iWing; // which detector wing/side. | |
478 | Int_t detector; // 2*(detector-1)+iWing | |
479 | Int_t ii,kk,ka,kt; // loop indexs | |
480 | Int_t ia,it,index; // sub-pixel integration indexies | |
481 | Int_t iAnode; // anode number. | |
482 | Int_t timeSample; // time buckett. | |
483 | Int_t anodeWindow; // anode direction charge integration width | |
484 | Int_t timeWindow; // time direction charge integration width | |
485 | Int_t jamin,jamax; // anode charge integration window | |
486 | Int_t jtmin,jtmax; // time charge integration window | |
487 | Int_t ndiv; // Anode window division factor. | |
488 | Int_t nsplit; // the number of splits in anode and time windows==1. | |
489 | Int_t nOfSplits; // number of times track length is split into | |
490 | Float_t nOfSplitsF; // Floating point version of nOfSplits. | |
491 | Float_t kkF; // Floating point version of loop index kk. | |
492 | Double_t pathInSDD; // Track length in SDD. | |
493 | Double_t drPath; // average position of track in detector. in microns | |
494 | Double_t drTime; // Drift time | |
495 | Double_t nmul; // drift time window multiplication factor. | |
496 | Double_t avDrft; // x position of path length segment in cm. | |
497 | Double_t avAnode; // Anode for path length segment in Anode number (float) | |
498 | Double_t xAnode; // Floating point anode number. | |
499 | Double_t driftPath; // avDrft in microns. | |
500 | Double_t width; // width of signal at anodes. | |
aacedc3e | 501 | Double_t depEnergy; // Energy deposited in this GEANT step. |
502 | Double_t xL[3],dxL[3]; // local hit coordinates and diff. | |
d35ad08f | 503 | Double_t sigA; // sigma of signal at anode. |
504 | Double_t sigT; // sigma in time/drift direction for track segment | |
505 | Double_t aStep,aConst; // sub-pixel size and offset anode | |
506 | Double_t tStep,tConst; // sub-pixel size and offset time | |
507 | Double_t amplitude; // signal amplitude for track segment in nanoAmpere | |
508 | Double_t chargeloss; // charge loss for track segment. | |
509 | Double_t anodeAmplitude; // signal amplitude in anode direction | |
510 | Double_t aExpo; // exponent of Gaussian anode direction | |
511 | Double_t timeAmplitude; // signal amplitude in time direction | |
512 | Double_t tExpo; // exponent of Gaussian time direction | |
aacedc3e | 513 | // Double_t tof; // Time of flight in ns of this step. |
514 | ||
515 | for(ii=0; ii<nhits; ii++) { | |
516 | if(!mod->LineSegmentL(ii,xL[0],dxL[0],xL[1],dxL[1],xL[2],dxL[2], | |
517 | depEnergy,itrack)) continue; | |
518 | xL[0] += 0.0001*gRandom->Gaus( 0, jitter ); // | |
4952f440 | 519 | xAnode=10000.*(xL[2]+0.5*dxL[2])/anodePitch + nofAnodes/2;; |
520 | driftSpeed = res->GetDriftSpeedAtAnode(xAnode); | |
521 | if(timeStep*fMaxNofSamples < sddLength/driftSpeed) { | |
522 | Warning("AliITSsimulationSDD", | |
523 | "Time Interval > Allowed Time Interval\n"); | |
524 | } | |
aacedc3e | 525 | depEnergy *= kconv; |
526 | hitDetector = mod->GetDet(); | |
527 | //tof = 1.E+09*(mod->GetHit(ii)->GetTOF()); // tof in ns. | |
528 | //if(tof>sddLength/driftSpeed) continue; // hit happed too late. | |
529 | ||
530 | // scale path to simulate a perpendicular track | |
531 | // continue if the particle did not lose energy | |
532 | // passing through detector | |
533 | if (!depEnergy) { | |
f77f13c8 | 534 | AliDebug(1, |
535 | Form("fTrack = %d hit=%d module=%d This particle has passed without losing energy!", | |
536 | itrack,ii,mod->GetIndex())); | |
aacedc3e | 537 | continue; |
538 | } // end if !depEnergy | |
539 | ||
540 | pathInSDD = TMath::Sqrt(dxL[0]*dxL[0]+dxL[1]*dxL[1]+dxL[2]*dxL[2]); | |
541 | ||
542 | if (fFlag && pathInSDD) { depEnergy *= (0.03/pathInSDD); } | |
543 | drPath = 10000.*(dxL[0]+2.*xL[0])*0.5; | |
544 | if(drPath < 0) drPath = -drPath; | |
545 | drPath = sddLength-drPath; | |
546 | if(drPath < 0) { | |
f77f13c8 | 547 | AliDebug(1, // this should be fixed at geometry level |
548 | Form("negative drift path drPath=%e sddLength=%e dxL[0]=%e xL[0]=%e", | |
549 | drPath,sddLength,dxL[0],xL[0])); | |
aacedc3e | 550 | continue; |
551 | } // end if drPath < 0 | |
552 | ||
553 | // Compute number of segments to brake step path into | |
554 | drTime = drPath/driftSpeed; // Drift Time | |
555 | sigA = TMath::Sqrt(2.*dfCoeff*drTime+s1*s1);// Sigma along the anodes | |
556 | // calcuate the number of time the path length should be split into. | |
557 | nOfSplits = (Int_t) (1. + 10000.*pathInSDD/sigA); | |
558 | if(fFlag) nOfSplits = 1; | |
559 | ||
560 | // loop over path segments, init. some variables. | |
561 | depEnergy /= nOfSplits; | |
562 | nOfSplitsF = (Float_t) nOfSplits; | |
563 | for(kk=0;kk<nOfSplits;kk++) { // loop over path segments | |
564 | kkF = (Float_t) kk + 0.5; | |
565 | avDrft = xL[0]+dxL[0]*kkF/nOfSplitsF; | |
566 | avAnode = xL[2]+dxL[2]*kkF/nOfSplitsF; | |
567 | driftPath = 10000.*avDrft; | |
568 | ||
569 | iWing = 2; // Assume wing is 2 | |
570 | if(driftPath < 0) { // if wing is not 2 it is 1. | |
571 | iWing = 1; | |
572 | driftPath = -driftPath; | |
573 | } // end if driftPath < 0 | |
574 | driftPath = sddLength-driftPath; | |
575 | detector = 2*(hitDetector-1) + iWing; | |
576 | if(driftPath < 0) { | |
f77f13c8 | 577 | AliDebug(1, // this should be fixed at geometry level |
578 | Form("negative drift path driftPath=%e sddLength=%e avDrft=%e dxL[0]=%e xL[0]=%e", | |
579 | driftPath,sddLength,avDrft,dxL[0],xL[0])); | |
aacedc3e | 580 | continue; |
581 | } // end if driftPath < 0 | |
582 | ||
583 | // Drift Time | |
584 | drTime = driftPath/driftSpeed; // drift time for segment. | |
585 | timeSample = (Int_t) (fScaleSize*drTime/timeStep + 1); | |
586 | // compute time Sample including tof information. The tof only | |
587 | // effects the time of the signal is recoreded and not the | |
588 | // the defusion. | |
589 | // timeSample = (Int_t) (fScaleSize*(drTime+tof)/timeStep + 1); | |
590 | if(timeSample > fScaleSize*fMaxNofSamples) { | |
591 | Warning("HitsToAnalogDigits","Wrong Time Sample: %e", | |
592 | timeSample); | |
593 | continue; | |
594 | } // end if timeSample > fScaleSize*fMaxNoofSamples | |
595 | ||
596 | // Anode | |
597 | xAnode = 10000.*(avAnode)/anodePitch + nofAnodes/2; // +1? | |
598 | if(xAnode*anodePitch > sddWidth || xAnode*anodePitch < 0.) | |
599 | Warning("HitsToAnalogDigits", | |
600 | "Exceedubg sddWidth=%e Z = %e", | |
601 | sddWidth,xAnode*anodePitch); | |
602 | iAnode = (Int_t) (1.+xAnode); // xAnode? | |
603 | if(iAnode < 1 || iAnode > nofAnodes) { | |
d35ad08f | 604 | Warning("HitToAnalogDigits","Wrong iAnode: 1<%d>%d (xanode=%e)", |
605 | iAnode,nofAnodes, xAnode); | |
aacedc3e | 606 | continue; |
607 | } // end if iAnode < 1 || iAnode > nofAnodes | |
608 | ||
609 | // store straight away the particle position in the array | |
610 | // of particles and take idhit=ii only when part is entering (this | |
611 | // requires FillModules() in the macro for analysis) : | |
b0f5e3fc | 612 | |
aacedc3e | 613 | // Sigma along the anodes for track segment. |
614 | sigA = TMath::Sqrt(2.*dfCoeff*drTime+s1*s1); | |
615 | sigT = sigA/driftSpeed; | |
616 | // Peak amplitude in nanoAmpere | |
617 | amplitude = fScaleSize*160.*depEnergy/ | |
618 | (timeStep*eVpairs*2.*acos(-1.)*sigT*sigA); | |
619 | amplitude *= timeStep/25.; // WARNING!!!!! Amplitude scaling to | |
620 | // account for clock variations | |
621 | // (reference value: 40 MHz) | |
622 | chargeloss = 1.-cHloss*driftPath/1000; | |
623 | amplitude *= chargeloss; | |
624 | width = 2.*nsigma/(nlookups-1); | |
625 | // Spread the charge | |
626 | // Pixel index | |
627 | ndiv = 2; | |
628 | nmul = 3.; | |
629 | if(drTime > 1200.) { | |
630 | ndiv = 4; | |
631 | nmul = 1.5; | |
632 | } // end if drTime > 1200. | |
633 | // Sub-pixel index | |
634 | nsplit = 4; // hard-wired //nsplit=4;nsplit = (nsplit+1)/2*2; | |
635 | // Sub-pixel size see computation of aExpo and tExpo. | |
636 | aStep = anodePitch/(nsplit*fScaleSize*sigA); | |
637 | aConst = xAnode*anodePitch/sigA; | |
638 | tStep = timeStep/(nsplit*fScaleSize*sigT); | |
639 | tConst = drTime/sigT; | |
640 | // Define SDD window corresponding to the hit | |
641 | anodeWindow = (Int_t)(fScaleSize*nsigma*sigA/anodePitch+1); | |
642 | timeWindow = (Int_t) (fScaleSize*nsigma*sigT/timeStep+1.); | |
643 | jamin = (iAnode - anodeWindow/ndiv - 1)*fScaleSize*nsplit +1; | |
644 | jamax = (iAnode + anodeWindow/ndiv)*fScaleSize*nsplit; | |
645 | if(jamin <= 0) jamin = 1; | |
646 | if(jamax > fScaleSize*nofAnodes*nsplit) | |
647 | jamax = fScaleSize*nofAnodes*nsplit; | |
648 | // jtmin and jtmax are Hard-wired | |
649 | jtmin = (Int_t)(timeSample-timeWindow*nmul-1)*nsplit+1; | |
650 | jtmax = (Int_t)(timeSample+timeWindow*nmul)*nsplit; | |
651 | if(jtmin <= 0) jtmin = 1; | |
652 | if(jtmax > fScaleSize*fMaxNofSamples*nsplit) | |
653 | jtmax = fScaleSize*fMaxNofSamples*nsplit; | |
654 | // Spread the charge in the anode-time window | |
655 | for(ka=jamin; ka <=jamax; ka++) { | |
656 | ia = (ka-1)/(fScaleSize*nsplit) + 1; | |
657 | if(ia <= 0) { | |
658 | Warning("HitsToAnalogDigits","ia < 1: "); | |
659 | continue; | |
660 | } // end if | |
661 | if(ia > nofAnodes) ia = nofAnodes; | |
662 | aExpo = (aStep*(ka-0.5)-aConst); | |
663 | if(TMath::Abs(aExpo) > nsigma) anodeAmplitude = 0.; | |
664 | else { | |
665 | dummy = (Int_t) ((aExpo+nsigma)/width); | |
fcf95fc7 | 666 | anodeAmplitude = amplitude*res->GetGausLookUp(dummy); |
aacedc3e | 667 | } // end if TMath::Abs(aEspo) > nsigma |
668 | // index starts from 0 | |
669 | index = ((detector+1)%2)*nofAnodes+ia-1; | |
670 | if(anodeAmplitude) for(kt=jtmin; kt<=jtmax; kt++) { | |
671 | it = (kt-1)/nsplit+1; // it starts from 1 | |
672 | if(it<=0){ | |
673 | Warning("HitsToAnalogDigits","it < 1:"); | |
674 | continue; | |
675 | } // end if | |
676 | if(it>fScaleSize*fMaxNofSamples) | |
677 | it = fScaleSize*fMaxNofSamples; | |
678 | tExpo = (tStep*(kt-0.5)-tConst); | |
679 | if(TMath::Abs(tExpo) > nsigma) timeAmplitude = 0.; | |
680 | else { | |
681 | dummy = (Int_t) ((tExpo+nsigma)/width); | |
682 | timeAmplitude = anodeAmplitude* | |
fcf95fc7 | 683 | res->GetGausLookUp(dummy); |
aacedc3e | 684 | } // end if TMath::Abs(tExpo) > nsigma |
685 | // build the list of Sdigits for this module | |
686 | // arg[0] = index; | |
687 | // arg[1] = it; | |
688 | // arg[2] = itrack; // track number | |
689 | // arg[3] = ii-1; // hit number. | |
690 | timeAmplitude *= norm; | |
691 | timeAmplitude *= 10; | |
692 | // ListOfFiredCells(arg,timeAmplitude,alst,padr); | |
693 | Double_t charge = timeAmplitude; | |
694 | charge += fHitMap2->GetSignal(index,it-1); | |
695 | fHitMap2->SetHit(index, it-1, charge); | |
696 | fpList->AddSignal(index,it-1,itrack,ii-1, | |
697 | mod->GetIndex(),timeAmplitude); | |
698 | fAnodeFire[index] = kTRUE; | |
699 | } // end if anodeAmplitude and loop over time in window | |
700 | } // loop over anodes in window | |
701 | } // end loop over "sub-hits" | |
702 | } // end loop over hits | |
b0f5e3fc | 703 | } |
50d05d7b | 704 | /* |
8a33ae9e | 705 | //______________________________________________________________________ |
b0f5e3fc | 706 | void AliITSsimulationSDD::ListOfFiredCells(Int_t *arg,Double_t timeAmplitude, |
3d2c9d72 | 707 | TObjArray *alist,TClonesArray *padr){ |
aacedc3e | 708 | // Returns the list of "fired" cells. |
709 | ||
710 | Int_t index = arg[0]; | |
711 | Int_t ik = arg[1]; | |
712 | Int_t idtrack = arg[2]; | |
713 | Int_t idhit = arg[3]; | |
714 | Int_t counter = arg[4]; | |
715 | Int_t countadr = arg[5]; | |
716 | Double_t charge = timeAmplitude; | |
717 | charge += fHitMap2->GetSignal(index,ik-1); | |
718 | fHitMap2->SetHit(index, ik-1, charge); | |
719 | ||
720 | Int_t digits[3]; | |
721 | Int_t it = (Int_t)((ik-1)/fScaleSize); | |
722 | digits[0] = index; | |
723 | digits[1] = it; | |
724 | digits[2] = (Int_t)timeAmplitude; | |
725 | Float_t phys; | |
726 | if (idtrack >= 0) phys = (Float_t)timeAmplitude; | |
727 | else phys = 0; | |
728 | ||
729 | Double_t cellcharge = 0.; | |
730 | AliITSTransientDigit* pdigit; | |
731 | // build the list of fired cells and update the info | |
732 | if (!fHitMap1->TestHit(index, it)) { | |
733 | new((*padr)[countadr++]) TVector(3); | |
734 | TVector &trinfo=*((TVector*) (*padr)[countadr-1]); | |
735 | trinfo(0) = (Float_t)idtrack; | |
736 | trinfo(1) = (Float_t)idhit; | |
737 | trinfo(2) = (Float_t)timeAmplitude; | |
738 | ||
739 | alist->AddAtAndExpand(new AliITSTransientDigit(phys,digits),counter); | |
740 | fHitMap1->SetHit(index, it, counter); | |
741 | counter++; | |
742 | pdigit=(AliITSTransientDigit*)alist->At(alist->GetLast()); | |
743 | // list of tracks | |
744 | TObjArray *trlist=(TObjArray*)pdigit->TrackList(); | |
745 | trlist->Add(&trinfo); | |
746 | } else { | |
747 | pdigit = (AliITSTransientDigit*) fHitMap1->GetHit(index, it); | |
748 | for(Int_t kk=0;kk<fScaleSize;kk++) { | |
749 | cellcharge += fHitMap2->GetSignal(index,fScaleSize*it+kk); | |
750 | } // end for kk | |
751 | // update charge | |
752 | (*pdigit).fSignal = (Int_t)cellcharge; | |
753 | (*pdigit).fPhysics += phys; | |
754 | // update list of tracks | |
755 | TObjArray* trlist = (TObjArray*)pdigit->TrackList(); | |
756 | Int_t lastentry = trlist->GetLast(); | |
757 | TVector *ptrkp = (TVector*)trlist->At(lastentry); | |
758 | TVector &trinfo = *ptrkp; | |
759 | Int_t lasttrack = Int_t(trinfo(0)); | |
760 | Float_t lastcharge=(trinfo(2)); | |
761 | if (lasttrack==idtrack ) { | |
762 | lastcharge += (Float_t)timeAmplitude; | |
763 | trlist->RemoveAt(lastentry); | |
764 | trinfo(0) = lasttrack; | |
765 | trinfo(1) = idhit; | |
766 | trinfo(2) = lastcharge; | |
767 | trlist->AddAt(&trinfo,lastentry); | |
768 | } else { | |
769 | new((*padr)[countadr++]) TVector(3); | |
770 | TVector &trinfo=*((TVector*) (*padr)[countadr-1]); | |
771 | trinfo(0) = (Float_t)idtrack; | |
772 | trinfo(1) = (Float_t)idhit; | |
773 | trinfo(2) = (Float_t)timeAmplitude; | |
774 | trlist->Add(&trinfo); | |
775 | } // end if lasttrack==idtrack | |
776 | ||
f77f13c8 | 777 | if(AliDebugLevel()){ |
aacedc3e | 778 | // check the track list - debugging |
779 | Int_t trk[20], htrk[20]; | |
780 | Float_t chtrk[20]; | |
781 | Int_t nptracks = trlist->GetEntriesFast(); | |
782 | if (nptracks > 2) { | |
783 | Int_t tr; | |
784 | for (tr=0;tr<nptracks;tr++) { | |
785 | TVector *pptrkp = (TVector*)trlist->At(tr); | |
786 | TVector &pptrk = *pptrkp; | |
787 | trk[tr] = Int_t(pptrk(0)); | |
788 | htrk[tr] = Int_t(pptrk(1)); | |
789 | chtrk[tr] = (pptrk(2)); | |
790 | cout << "nptracks "<<nptracks << endl; | |
791 | } // end for tr | |
792 | } // end if nptracks | |
f77f13c8 | 793 | } // end if AliDebugLevel() |
aacedc3e | 794 | } // end if pdigit |
795 | ||
796 | // update counter and countadr for next call. | |
797 | arg[4] = counter; | |
798 | arg[5] = countadr; | |
b0f5e3fc | 799 | } |
50d05d7b | 800 | */ |
b0f5e3fc | 801 | //____________________________________________ |
50d05d7b | 802 | void AliITSsimulationSDD::AddDigit( Int_t i, Int_t j, Int_t signal ) { |
aacedc3e | 803 | // Adds a Digit. |
0599a018 | 804 | Int_t size = AliITSdigit::GetNTracks(); |
805 | ||
aacedc3e | 806 | Int_t digits[3]; |
807 | Int_t * tracks = new Int_t[size]; | |
808 | Int_t * hits = new Int_t[size]; | |
809 | Float_t phys; | |
810 | Float_t * charges = new Float_t[size]; | |
811 | ||
812 | digits[0] = i; | |
813 | digits[1] = j; | |
814 | digits[2] = signal; | |
815 | ||
816 | AliITSpListItem *pItem = fpList->GetpListItem( i, j ); | |
817 | if( pItem == 0 ) { | |
818 | phys = 0.0; | |
819 | for( Int_t l=0; l<size; l++ ) { | |
820 | tracks[l] = 0; | |
821 | hits[l] = 0; | |
822 | charges[l] = 0.0; | |
823 | } | |
824 | } else { | |
825 | Int_t idtrack = pItem->GetTrack( 0 ); | |
826 | if( idtrack >= 0 ) phys = pItem->GetSignal(); | |
827 | else phys = 0.0; | |
828 | ||
829 | for( Int_t l=0; l<size; l++ ) if(l<pItem->GetMaxKept()) { | |
830 | tracks[l] = pItem->GetTrack( l ); | |
831 | hits[l] = pItem->GetHit( l ); | |
832 | charges[l] = pItem->GetSignal( l ); | |
833 | }else{ | |
834 | tracks[l] = -3; | |
835 | hits[l] = -1; | |
836 | charges[l] = 0.0; | |
837 | }// end for if | |
50d05d7b | 838 | } |
50d05d7b | 839 | |
aacedc3e | 840 | fITS->AddSimDigit( 1, phys, digits, tracks, hits, charges ); |
841 | delete [] tracks; | |
842 | delete [] hits; | |
843 | delete [] charges; | |
844 | } | |
8a33ae9e | 845 | //______________________________________________________________________ |
8ba39da9 | 846 | void AliITSsimulationSDD::ChargeToSignal(Int_t mod,Bool_t bAddNoise) { |
aacedc3e | 847 | // add baseline, noise, electronics and ADC saturation effects |
848 | ||
849 | char opt1[20], opt2[20]; | |
fcf95fc7 | 850 | AliITSCalibrationSDD* res = (AliITSCalibrationSDD*)GetCalibrationModel(mod); |
fcf95fc7 | 851 | res->GetParamOptions(opt1,opt2); |
f45f6658 | 852 | Double_t baseline=0; |
853 | Double_t noise=0; | |
aacedc3e | 854 | |
855 | Float_t contrib=0; | |
856 | Int_t i,k,kk; | |
fcf95fc7 | 857 | Float_t maxadc = res->GetMaxAdc(); |
aacedc3e | 858 | if(!fDoFFT) { |
859 | for (i=0;i<fNofMaps;i++) { | |
860 | if( !fAnodeFire[i] ) continue; | |
f45f6658 | 861 | baseline = res->GetBaseline(i); |
862 | noise = res->GetNoise(i); | |
863 | ||
aacedc3e | 864 | for(k=0; k<fScaleSize*fMaxNofSamples; k++) { |
865 | fInZR[k] = fHitMap2->GetSignal(i,k); | |
866 | if( bAddNoise ) { | |
867 | contrib = (baseline + noise*gRandom->Gaus()); | |
868 | fInZR[k] += contrib; | |
869 | } | |
870 | } // end for k | |
871 | for(k=0; k<fMaxNofSamples; k++) { | |
872 | Double_t newcont = 0.; | |
873 | Double_t maxcont = 0.; | |
874 | for(kk=0;kk<fScaleSize;kk++) { | |
875 | newcont = fInZR[fScaleSize*k+kk]; | |
876 | if(newcont > maxcont) maxcont = newcont; | |
877 | } // end for kk | |
f45f6658 | 878 | newcont = maxcont; |
aacedc3e | 879 | if (newcont >= maxadc) newcont = maxadc -1; |
880 | if(newcont >= baseline){ | |
881 | Warning("","newcont=%d>=baseline=%d",newcont,baseline); | |
882 | } // end if | |
883 | // back to analog: ? | |
884 | fHitMap2->SetHit(i,k,newcont); | |
885 | } // end for k | |
886 | } // end for i loop over anodes | |
887 | return; | |
888 | } // end if DoFFT | |
889 | ||
ece86d9a | 890 | for (i=0;i<fNofMaps;i++) { |
aacedc3e | 891 | if( !fAnodeFire[i] ) continue; |
f45f6658 | 892 | baseline = res->GetBaseline(i); |
893 | noise = res->GetNoise(i); | |
894 | for(k=0; k<fScaleSize*fMaxNofSamples; k++) { | |
aacedc3e | 895 | fInZR[k] = fHitMap2->GetSignal(i,k); |
896 | if( bAddNoise ) { | |
897 | contrib = (baseline + noise*gRandom->Gaus()); | |
898 | fInZR[k] += contrib; | |
899 | } | |
900 | fInZI[k] = 0.; | |
901 | } // end for k | |
902 | FastFourierTransform(fElectronics,&fInZR[0],&fInZI[0],1); | |
903 | for(k=0; k<fScaleSize*fMaxNofSamples; k++) { | |
904 | Double_t rw = fElectronics->GetTraFunReal(k); | |
905 | Double_t iw = fElectronics->GetTraFunImag(k); | |
906 | fOutZR[k] = fInZR[k]*rw - fInZI[k]*iw; | |
907 | fOutZI[k] = fInZR[k]*iw + fInZI[k]*rw; | |
908 | } // end for k | |
909 | FastFourierTransform(fElectronics,&fOutZR[0],&fOutZI[0],-1); | |
910 | for(k=0; k<fMaxNofSamples; k++) { | |
911 | Double_t newcont1 = 0.; | |
912 | Double_t maxcont1 = 0.; | |
913 | for(kk=0;kk<fScaleSize;kk++) { | |
914 | newcont1 = fOutZR[fScaleSize*k+kk]; | |
915 | if(newcont1 > maxcont1) maxcont1 = newcont1; | |
916 | } // end for kk | |
917 | newcont1 = maxcont1; | |
918 | if (newcont1 >= maxadc) newcont1 = maxadc -1; | |
919 | fHitMap2->SetHit(i,k,newcont1); | |
920 | } // end for k | |
8a33ae9e | 921 | } // end for i loop over anodes |
3d2c9d72 | 922 | return; |
b0f5e3fc | 923 | } |
50d05d7b | 924 | //____________________________________________________________________ |
8ba39da9 | 925 | void AliITSsimulationSDD::ApplyDeadChannels(Int_t mod) { |
aacedc3e | 926 | // Set dead channel signal to zero |
f45f6658 | 927 | AliITSCalibrationSDD * calibr = (AliITSCalibrationSDD *)GetCalibrationModel(mod); |
8ba39da9 | 928 | AliITSsegmentationSDD* seg = (AliITSsegmentationSDD*)GetSegmentationModel(1); |
aacedc3e | 929 | // nothing to do |
f45f6658 | 930 | if( calibr->IsDead() || |
931 | ( calibr->GetDeadChips() == 0 && | |
932 | calibr->GetDeadChannels() == 0 ) ) return; | |
50d05d7b | 933 | |
8ba39da9 | 934 | // static AliITS *iTS = (AliITS*)gAlice->GetModule( "ITS" ); |
aacedc3e | 935 | |
8ba39da9 | 936 | Int_t fMaxNofSamples = seg->Npx(); |
937 | // AliITSgeom *geom = iTS->GetITSgeom(); | |
938 | // Int_t firstSDDMod = geom->GetStartDet( 1 ); | |
aacedc3e | 939 | // loop over wings |
940 | for( Int_t j=0; j<2; j++ ) { | |
8ba39da9 | 941 | // Int_t mod = (fModule-firstSDDMod)*2 + j; |
f45f6658 | 942 | for( Int_t u=0; u<calibr->Chips(); u++ ) |
943 | for( Int_t v=0; v<calibr->Channels(); v++ ) { | |
944 | Float_t gain = calibr->Gain(j, u, v ); | |
8ba39da9 | 945 | for( Int_t k=0; k<fMaxNofSamples; k++ ) { |
f45f6658 | 946 | Int_t i = j*calibr->Chips()*calibr->Channels() + |
947 | u*calibr->Channels() + | |
8ba39da9 | 948 | v; |
949 | Double_t signal = gain * fHitMap2->GetSignal( i, k ); | |
950 | fHitMap2->SetHit( i, k, signal ); /// | |
951 | } | |
952 | } | |
953 | } | |
50d05d7b | 954 | } |
955 | //______________________________________________________________________ | |
8ba39da9 | 956 | void AliITSsimulationSDD::ApplyCrosstalk(Int_t mod) { |
aacedc3e | 957 | // function add the crosstalk effect to signal |
958 | // temporal function, should be checked...!!! | |
8ba39da9 | 959 | AliITSsegmentationSDD* seg = (AliITSsegmentationSDD*)GetSegmentationModel(1); |
960 | ||
961 | Int_t fNofMaps = seg->Npz(); | |
962 | Int_t fMaxNofSamples = seg->Npx(); | |
aacedc3e | 963 | |
964 | // create and inizialice crosstalk map | |
965 | Float_t* ctk = new Float_t[fNofMaps*fMaxNofSamples+1]; | |
966 | if( ctk == NULL ) { | |
967 | Error( "ApplyCrosstalk", "no memory for temporal map: exit \n" ); | |
968 | return; | |
969 | } | |
970 | memset( ctk, 0, sizeof(Float_t)*(fNofMaps*fMaxNofSamples+1) ); | |
f45f6658 | 971 | AliITSCalibrationSDD* calibr = (AliITSCalibrationSDD*)GetCalibrationModel(mod); |
aacedc3e | 972 | for( Int_t z=0; z<fNofMaps; z++ ) { |
f45f6658 | 973 | Double_t baseline = calibr->GetBaseline(z); |
aacedc3e | 974 | Bool_t on = kFALSE; |
975 | Int_t tstart = 0; | |
976 | Int_t tstop = 0; | |
977 | Int_t nTsteps = 0; | |
50d05d7b | 978 | |
aacedc3e | 979 | for( Int_t l=0; l<fMaxNofSamples; l++ ) { |
980 | Float_t fadc = (Float_t)fHitMap2->GetSignal( z, l ); | |
981 | if( fadc > baseline ) { | |
982 | if( on == kFALSE && l<fMaxNofSamples-4 ) { | |
983 | Float_t fadc1 = (Float_t)fHitMap2->GetSignal( z, l+1 ); | |
984 | if( fadc1 < fadc ) continue; | |
985 | on = kTRUE; | |
986 | nTsteps = 0; | |
987 | tstart = l; | |
988 | } | |
989 | nTsteps++; | |
990 | } | |
991 | else { // end fadc > baseline | |
992 | if( on == kTRUE ) { | |
993 | if( nTsteps > 2 ) { | |
994 | tstop = l; | |
995 | // make smooth derivative | |
996 | Float_t* dev = new Float_t[fMaxNofSamples+1]; | |
997 | memset( dev, 0, sizeof(Float_t)*(fMaxNofSamples+1) ); | |
998 | if( ctk == NULL ) { | |
999 | Error( "ApplyCrosstalk", | |
1000 | "no memory for temporal array: exit \n" ); | |
1001 | return; | |
1002 | } | |
1003 | for( Int_t i=tstart; i<tstop; i++ ) { | |
1004 | if( i > 2 && i < fMaxNofSamples-2 ) | |
1005 | dev[i] = -0.2*fHitMap2->GetSignal( z,i-2 ) | |
1006 | -0.1*fHitMap2->GetSignal( z,i-1 ) | |
1007 | +0.1*fHitMap2->GetSignal( z,i+1 ) | |
1008 | +0.2*fHitMap2->GetSignal( z,i+2 ); | |
1009 | } | |
50d05d7b | 1010 | |
aacedc3e | 1011 | // add crosstalk contribution to neibourg anodes |
1012 | for( Int_t i=tstart; i<tstop; i++ ) { | |
1013 | Int_t anode = z - 1; | |
1014 | Int_t i1 = (Int_t)((i-tstart)*.61+tstart+0.5); // | |
1015 | Float_t ctktmp = -dev[i1] * 0.25; | |
1016 | if( anode > 0 ) { | |
1017 | ctk[anode*fMaxNofSamples+i] += ctktmp; | |
1018 | } | |
1019 | anode = z + 1; | |
1020 | if( anode < fNofMaps ) { | |
1021 | ctk[anode*fMaxNofSamples+i] += ctktmp; | |
1022 | } | |
1023 | } | |
1024 | delete [] dev; | |
50d05d7b | 1025 | |
aacedc3e | 1026 | } // if( nTsteps > 2 ) |
1027 | on = kFALSE; | |
1028 | } // if( on == kTRUE ) | |
1029 | } // else | |
1030 | } | |
3d2c9d72 | 1031 | } |
50d05d7b | 1032 | |
aacedc3e | 1033 | for( Int_t a=0; a<fNofMaps; a++ ) |
1034 | for( Int_t t=0; t<fMaxNofSamples; t++ ) { | |
1035 | Float_t signal = fHitMap2->GetSignal(a,t)+ctk[a*fMaxNofSamples+t]; | |
1036 | fHitMap2->SetHit( a, t, signal ); | |
1037 | } | |
1038 | ||
1039 | delete [] ctk; | |
50d05d7b | 1040 | } |
f45f6658 | 1041 | |
8a33ae9e | 1042 | //______________________________________________________________________ |
b0f5e3fc | 1043 | void AliITSsimulationSDD::CompressionParam(Int_t i,Int_t &db,Int_t &tl, |
f45f6658 | 1044 | Int_t &th) const{ |
aacedc3e | 1045 | // Returns the compression alogirthm parameters |
f45f6658 | 1046 | db=fD[i]; |
1047 | tl=fT1[i]; | |
1048 | th=fT2[i]; | |
b0f5e3fc | 1049 | } |
8a33ae9e | 1050 | //______________________________________________________________________ |
f45f6658 | 1051 | void AliITSsimulationSDD::CompressionParam(Int_t i,Int_t &db,Int_t &tl) const{ |
aacedc3e | 1052 | // returns the compression alogirthm parameters |
aacedc3e | 1053 | |
f45f6658 | 1054 | db=fD[i]; |
1055 | tl=fT1[i]; | |
1056 | ||
b0f5e3fc | 1057 | } |
8a33ae9e | 1058 | //______________________________________________________________________ |
f45f6658 | 1059 | void AliITSsimulationSDD::SetCompressParam(){ |
aacedc3e | 1060 | // Sets the compression alogirthm parameters |
f45f6658 | 1061 | AliITSCalibrationSDD* calibr = (AliITSCalibrationSDD*)GetCalibrationModel(fModule); |
1062 | for(Int_t ian = 0; ian<fNofMaps;ian++){ | |
1063 | fD[ian] = (Int_t)(calibr->GetBaseline(ian)); | |
1064 | fT1[ian] = (Int_t)(2.*calibr->GetNoiseAfterElectronics(ian)+0.5); | |
1065 | fT2[ian] = 0; // used by 2D clustering - not defined yet | |
1066 | fTol[ian] = 0; // used by 2D clustering - not defined yet | |
1067 | } | |
b0f5e3fc | 1068 | } |
8a33ae9e | 1069 | //______________________________________________________________________ |
1070 | Int_t AliITSsimulationSDD::Convert10to8(Int_t signal) const { | |
aacedc3e | 1071 | // To the 10 to 8 bit lossive compression. |
1072 | // code from Davide C. and Albert W. | |
1073 | ||
1074 | if (signal < 128) return signal; | |
1075 | if (signal < 256) return (128+((signal-128)>>1)); | |
1076 | if (signal < 512) return (192+((signal-256)>>3)); | |
1077 | if (signal < 1024) return (224+((signal-512)>>4)); | |
1078 | return 0; | |
b0f5e3fc | 1079 | } |
50d05d7b | 1080 | /* |
8a33ae9e | 1081 | //______________________________________________________________________ |
b0f5e3fc | 1082 | AliITSMap* AliITSsimulationSDD::HitMap(Int_t i){ |
aacedc3e | 1083 | //Return the correct map. |
8a33ae9e | 1084 | |
aacedc3e | 1085 | return ((i==0)? fHitMap1 : fHitMap2); |
3d2c9d72 | 1086 | } |
1087 | */ | |
8a33ae9e | 1088 | //______________________________________________________________________ |
e8189707 | 1089 | void AliITSsimulationSDD::ZeroSuppression(const char *option) { |
aacedc3e | 1090 | // perform the zero suppresion |
aacedc3e | 1091 | if (strstr(option,"2D")) { |
1092 | //Init2D(); // activate if param change module by module | |
1093 | Compress2D(); | |
1094 | } else if (strstr(option,"1D")) { | |
1095 | //Init1D(); // activate if param change module by module | |
1096 | Compress1D(); | |
1097 | } else StoreAllDigits(); | |
b0f5e3fc | 1098 | } |
8a33ae9e | 1099 | //______________________________________________________________________ |
b0f5e3fc | 1100 | void AliITSsimulationSDD::Init2D(){ |
aacedc3e | 1101 | // read in and prepare arrays: fD, fT1, fT2 |
1102 | // savemu[nanodes], savesigma[nanodes] | |
1103 | // read baseline and noise from file - either a .root file and in this | |
1104 | // case data should be organised in a tree with one entry for each | |
1105 | // module => reading should be done accordingly | |
1106 | // or a classic file and do smth. like this ( code from Davide C. and | |
1107 | // Albert W.) : | |
1108 | // Read 2D zero-suppression parameters for SDD | |
1109 | ||
1110 | if (!strstr(fParam.Data(),"file")) return; | |
1111 | ||
1112 | Int_t na,pos,tempTh; | |
1113 | Float_t mu,sigma; | |
1114 | Float_t *savemu = new Float_t [fNofMaps]; | |
1115 | Float_t *savesigma = new Float_t [fNofMaps]; | |
1116 | char input[100],basel[100],par[100]; | |
1117 | char *filtmp; | |
1118 | Double_t tmp1,tmp2; | |
f45f6658 | 1119 | AliITSCalibrationSDD* res = (AliITSCalibrationSDD*)GetCalibrationModel(fModule); |
8ba39da9 | 1120 | |
1121 | res->Thresholds(tmp1,tmp2); | |
aacedc3e | 1122 | Int_t minval = static_cast<Int_t>(tmp1); |
1123 | ||
8ba39da9 | 1124 | res->Filenames(input,basel,par); |
aacedc3e | 1125 | fFileName = par; |
1126 | // | |
1127 | filtmp = gSystem->ExpandPathName(fFileName.Data()); | |
1128 | FILE *param = fopen(filtmp,"r"); | |
1129 | na = 0; | |
1130 | ||
1131 | if(param) { | |
1132 | while(fscanf(param,"%d %f %f",&pos, &mu, &sigma) != EOF) { | |
1133 | if (pos != na+1) { | |
1134 | Error("Init2D","Anode number not in increasing order!",filtmp); | |
1135 | exit(1); | |
1136 | } // end if pos != na+1 | |
1137 | savemu[na] = mu; | |
1138 | savesigma[na] = sigma; | |
1139 | if ((2.*sigma) < mu) { | |
1140 | fD[na] = (Int_t)floor(mu - 2.0*sigma + 0.5); | |
1141 | mu = 2.0 * sigma; | |
1142 | } else fD[na] = 0; | |
1143 | tempTh = (Int_t)floor(mu+2.25*sigma+0.5) - minval; | |
1144 | if (tempTh < 0) tempTh=0; | |
1145 | fT1[na] = tempTh; | |
1146 | tempTh = (Int_t)floor(mu+3.0*sigma+0.5) - minval; | |
1147 | if (tempTh < 0) tempTh=0; | |
1148 | fT2[na] = tempTh; | |
1149 | na++; | |
1150 | } // end while | |
1151 | } else { | |
1152 | Error("Init2D","THE FILE %s DOES NOT EXIST !",filtmp); | |
1153 | exit(1); | |
1154 | } // end if(param) | |
1155 | ||
1156 | fclose(param); | |
1157 | delete [] filtmp; | |
1158 | delete [] savemu; | |
1159 | delete [] savesigma; | |
8a33ae9e | 1160 | } |
1161 | //______________________________________________________________________ | |
b0f5e3fc | 1162 | void AliITSsimulationSDD::Compress2D(){ |
aacedc3e | 1163 | // simple ITS cluster finder -- online zero-suppression conditions |
1164 | ||
1165 | Int_t db,tl,th; | |
1166 | Double_t tmp1,tmp2; | |
f45f6658 | 1167 | AliITSCalibrationSDD* res = (AliITSCalibrationSDD*)GetCalibrationModel(fModule); |
8ba39da9 | 1168 | |
1169 | res->Thresholds(tmp1,tmp2); | |
aacedc3e | 1170 | Int_t minval = static_cast<Int_t>(tmp1); |
8ba39da9 | 1171 | Bool_t write = res->OutputOption(); |
1172 | Bool_t do10to8 = res->Do10to8(); | |
aacedc3e | 1173 | Int_t nz, nl, nh, low, i, j; |
f45f6658 | 1174 | SetCompressParam(); |
aacedc3e | 1175 | for (i=0; i<fNofMaps; i++) { |
1176 | CompressionParam(i,db,tl,th); | |
1177 | nz = 0; | |
1178 | nl = 0; | |
1179 | nh = 0; | |
1180 | low = 0; | |
1181 | for (j=0; j<fMaxNofSamples; j++) { | |
1182 | Int_t signal=(Int_t)(fHitMap2->GetSignal(i,j)); | |
1183 | signal -= db; // if baseline eq. is done here | |
1184 | if (signal <= 0) {nz++; continue;} | |
1185 | if ((signal - tl) < minval) low++; | |
1186 | if ((signal - th) >= minval) { | |
1187 | nh++; | |
1188 | Bool_t cond=kTRUE; | |
1189 | FindCluster(i,j,signal,minval,cond); | |
1190 | if(cond && j && | |
1191 | ((TMath::Abs(fHitMap2->GetSignal(i,j-1))-th)>=minval)){ | |
1192 | if(do10to8) signal = Convert10to8(signal); | |
1193 | AddDigit(i,j,signal); | |
1194 | } // end if cond&&j&&() | |
1195 | } else if ((signal - tl) >= minval) nl++; | |
1196 | } // end for j loop time samples | |
1197 | if (write) TreeB()->Fill(nz,nl,nh,low,i+1); | |
1198 | } //end for i loop anodes | |
1199 | ||
1200 | char hname[30]; | |
1201 | if (write) { | |
1202 | sprintf(hname,"TNtuple%d_%d",fModule,fEvent); | |
1203 | TreeB()->Write(hname); | |
1204 | // reset tree | |
1205 | TreeB()->Reset(); | |
1206 | } // end if write | |
8a33ae9e | 1207 | } |
1208 | //______________________________________________________________________ | |
b0f5e3fc | 1209 | void AliITSsimulationSDD::FindCluster(Int_t i,Int_t j,Int_t signal, |
ece86d9a | 1210 | Int_t minval,Bool_t &cond){ |
aacedc3e | 1211 | // Find clusters according to the online 2D zero-suppression algorithm |
f45f6658 | 1212 | AliITSCalibrationSDD* res = (AliITSCalibrationSDD*)GetCalibrationModel(fModule); |
8ba39da9 | 1213 | AliITSsegmentationSDD* seg = (AliITSsegmentationSDD*)GetSegmentationModel(1); |
1214 | ||
1215 | Bool_t do10to8 = res->Do10to8(); | |
aacedc3e | 1216 | Bool_t high = kFALSE; |
1217 | ||
1218 | fHitMap2->FlagHit(i,j); | |
1219 | // | |
1220 | // check the online zero-suppression conditions | |
1221 | // | |
1222 | const Int_t kMaxNeighbours = 4; | |
1223 | Int_t nn; | |
1224 | Int_t dbx,tlx,thx; | |
1225 | Int_t xList[kMaxNeighbours], yList[kMaxNeighbours]; | |
8ba39da9 | 1226 | seg->Neighbours(i,j,&nn,xList,yList); |
aacedc3e | 1227 | Int_t in,ix,iy,qns; |
1228 | for (in=0; in<nn; in++) { | |
1229 | ix=xList[in]; | |
1230 | iy=yList[in]; | |
1231 | if (fHitMap2->TestHit(ix,iy)==kUnused) { | |
1232 | CompressionParam(ix,dbx,tlx,thx); | |
1233 | Int_t qn = (Int_t)(fHitMap2->GetSignal(ix,iy)); | |
1234 | qn -= dbx; // if baseline eq. is done here | |
1235 | if ((qn-tlx) < minval) { | |
1236 | fHitMap2->FlagHit(ix,iy); | |
1237 | continue; | |
1238 | } else { | |
1239 | if ((qn - thx) >= minval) high=kTRUE; | |
1240 | if (cond) { | |
1241 | if(do10to8) signal = Convert10to8(signal); | |
1242 | AddDigit(i,j,signal); | |
1243 | } // end if cond | |
1244 | if(do10to8) qns = Convert10to8(qn); | |
1245 | else qns=qn; | |
1246 | if (!high) AddDigit(ix,iy,qns); | |
1247 | cond=kFALSE; | |
1248 | if(!high) fHitMap2->FlagHit(ix,iy); | |
1249 | } // end if qn-tlx < minval | |
1250 | } // end if TestHit | |
1251 | } // end for in loop over neighbours | |
b0f5e3fc | 1252 | } |
8a33ae9e | 1253 | //______________________________________________________________________ |
b0f5e3fc | 1254 | void AliITSsimulationSDD::Init1D(){ |
aacedc3e | 1255 | // this is just a copy-paste of input taken from 2D algo |
1256 | // Torino people should give input | |
1257 | // Read 1D zero-suppression parameters for SDD | |
1258 | ||
1259 | if (!strstr(fParam.Data(),"file")) return; | |
1260 | ||
1261 | Int_t na,pos,tempTh; | |
1262 | Float_t mu,sigma; | |
1263 | Float_t *savemu = new Float_t [fNofMaps]; | |
1264 | Float_t *savesigma = new Float_t [fNofMaps]; | |
1265 | char input[100],basel[100],par[100]; | |
1266 | char *filtmp; | |
1267 | Double_t tmp1,tmp2; | |
f45f6658 | 1268 | AliITSCalibrationSDD* res = (AliITSCalibrationSDD*)GetCalibrationModel(fModule); |
8ba39da9 | 1269 | |
1270 | res->Thresholds(tmp1,tmp2); | |
aacedc3e | 1271 | Int_t minval = static_cast<Int_t>(tmp1); |
1272 | ||
8ba39da9 | 1273 | res->Filenames(input,basel,par); |
aacedc3e | 1274 | fFileName=par; |
1275 | ||
1276 | // set first the disable and tol param | |
1277 | SetCompressParam(); | |
1278 | // | |
1279 | filtmp = gSystem->ExpandPathName(fFileName.Data()); | |
1280 | FILE *param = fopen(filtmp,"r"); | |
1281 | na = 0; | |
1282 | ||
1283 | if (param) { | |
1284 | fscanf(param,"%d %d %d %d ", &fT2[0], &fT2[1], &fTol[0], &fTol[1]); | |
1285 | while(fscanf(param,"%d %f %f",&pos, &mu, &sigma) != EOF) { | |
1286 | if (pos != na+1) { | |
1287 | Error("Init1D","Anode number not in increasing order!",filtmp); | |
1288 | exit(1); | |
1289 | } // end if pos != na+1 | |
1290 | savemu[na]=mu; | |
1291 | savesigma[na]=sigma; | |
1292 | if ((2.*sigma) < mu) { | |
1293 | fD[na] = (Int_t)floor(mu - 2.0*sigma + 0.5); | |
1294 | mu = 2.0 * sigma; | |
1295 | } else fD[na] = 0; | |
1296 | tempTh = (Int_t)floor(mu+2.25*sigma+0.5) - minval; | |
1297 | if (tempTh < 0) tempTh=0; | |
1298 | fT1[na] = tempTh; | |
1299 | na++; | |
1300 | } // end while | |
1301 | } else { | |
1302 | Error("Init1D","THE FILE %s DOES NOT EXIST !",filtmp); | |
1303 | exit(1); | |
1304 | } // end if(param) | |
1305 | ||
1306 | fclose(param); | |
1307 | delete [] filtmp; | |
1308 | delete [] savemu; | |
1309 | delete [] savesigma; | |
8a33ae9e | 1310 | } |
1311 | //______________________________________________________________________ | |
b0f5e3fc | 1312 | void AliITSsimulationSDD::Compress1D(){ |
aacedc3e | 1313 | // 1D zero-suppression algorithm (from Gianluca A.) |
1314 | Int_t dis,tol,thres,decr,diff; | |
1315 | UChar_t *str=fStream->Stream(); | |
1316 | Int_t counter=0; | |
f45f6658 | 1317 | AliITSCalibrationSDD* res = (AliITSCalibrationSDD*)GetCalibrationModel(fModule); |
8ba39da9 | 1318 | |
1319 | Bool_t do10to8=res->Do10to8(); | |
aacedc3e | 1320 | Int_t last=0; |
1321 | Int_t k,i,j; | |
f45f6658 | 1322 | SetCompressParam(); |
aacedc3e | 1323 | for (k=0; k<2; k++) { |
1324 | tol = Tolerance(k); | |
1325 | dis = Disable(k); | |
1326 | for (i=0; i<fNofMaps/2; i++) { | |
1327 | Bool_t firstSignal=kTRUE; | |
1328 | Int_t idx=i+k*fNofMaps/2; | |
1329 | if( !fAnodeFire[idx] ) continue; | |
1330 | CompressionParam(idx,decr,thres); | |
1331 | ||
1332 | for (j=0; j<fMaxNofSamples; j++) { | |
1333 | Int_t signal=(Int_t)(fHitMap2->GetSignal(idx,j)); | |
1334 | signal -= decr; // if baseline eq. | |
1335 | if(do10to8) signal = Convert10to8(signal); | |
1336 | if (signal <= thres) { | |
1337 | signal=0; | |
1338 | diff=128; | |
1339 | last=0; | |
1340 | // write diff in the buffer for HuffT | |
1341 | str[counter]=(UChar_t)diff; | |
1342 | counter++; | |
1343 | continue; | |
1344 | } // end if signal <= thres | |
1345 | diff=signal-last; | |
1346 | if (diff > 127) diff=127; | |
1347 | if (diff < -128) diff=-128; | |
1348 | if (signal < dis) { | |
1349 | // tol has changed to 8 possible cases ? - one can write | |
1350 | // this if(TMath::Abs(diff)<tol) ... else ... | |
1351 | if(TMath::Abs(diff)<tol) diff=0; | |
1352 | // or keep it as it was before | |
1353 | AddDigit(idx,j,last+diff); | |
1354 | } else { | |
1355 | AddDigit(idx,j,signal); | |
1356 | } // end if singal < dis | |
1357 | diff += 128; | |
1358 | // write diff in the buffer used to compute Huffman tables | |
1359 | if (firstSignal) str[counter]=(UChar_t)signal; | |
1360 | else str[counter]=(UChar_t)diff; | |
1361 | counter++; | |
1362 | last=signal; | |
1363 | firstSignal=kFALSE; | |
1364 | } // end for j loop time samples | |
1365 | } // end for i loop anodes one half of detector | |
1366 | } // end for k | |
b0f5e3fc | 1367 | |
1368 | // check | |
aacedc3e | 1369 | fStream->CheckCount(counter); |
b0f5e3fc | 1370 | |
aacedc3e | 1371 | // open file and write out the stream of diff's |
1372 | static Bool_t open=kTRUE; | |
1373 | static TFile *outFile; | |
8ba39da9 | 1374 | Bool_t write = res->OutputOption(); |
aacedc3e | 1375 | TDirectory *savedir = gDirectory; |
b0f5e3fc | 1376 | |
aacedc3e | 1377 | if (write ) { |
1378 | if(open) { | |
1379 | SetFileName("stream.root"); | |
1380 | cout<<"filename "<<fFileName<<endl; | |
1381 | outFile=new TFile(fFileName,"recreate"); | |
1382 | cout<<"I have opened "<<fFileName<<" file "<<endl; | |
1383 | } // end if open | |
1384 | open = kFALSE; | |
1385 | outFile->cd(); | |
1386 | fStream->Write(); | |
1387 | } // endif write | |
1388 | ||
1389 | fStream->ClearStream(); | |
1390 | ||
1391 | // back to galice.root file | |
1392 | if(savedir) savedir->cd(); | |
8a33ae9e | 1393 | } |
1394 | //______________________________________________________________________ | |
b0f5e3fc | 1395 | void AliITSsimulationSDD::StoreAllDigits(){ |
aacedc3e | 1396 | // if non-zero-suppressed data |
f45f6658 | 1397 | AliITSCalibrationSDD* res = (AliITSCalibrationSDD*)GetCalibrationModel(fModule); |
8ba39da9 | 1398 | |
1399 | Bool_t do10to8 = res->Do10to8(); | |
aacedc3e | 1400 | Int_t i, j, digits[3]; |
1401 | ||
1402 | for (i=0; i<fNofMaps; i++) { | |
1403 | for (j=0; j<fMaxNofSamples; j++) { | |
1404 | Int_t signal=(Int_t)(fHitMap2->GetSignal(i,j)); | |
1405 | if(do10to8) signal = Convert10to8(signal); | |
1406 | digits[0] = i; | |
1407 | digits[1] = j; | |
1408 | digits[2] = signal; | |
1409 | fITS->AddRealDigit(1,digits); | |
0599a018 | 1410 | } // end for j |
aacedc3e | 1411 | } // end for i |
b0f5e3fc | 1412 | } |
8a33ae9e | 1413 | //______________________________________________________________________ |
ece86d9a | 1414 | void AliITSsimulationSDD::CreateHistograms(Int_t scale){ |
aacedc3e | 1415 | // Creates histograms of maps for debugging |
1416 | Int_t i; | |
1417 | ||
1418 | fHis=new TObjArray(fNofMaps); | |
1419 | for (i=0;i<fNofMaps;i++) { | |
1420 | TString sddName("sdd_"); | |
1421 | Char_t candNum[4]; | |
1422 | sprintf(candNum,"%d",i+1); | |
1423 | sddName.Append(candNum); | |
1424 | fHis->AddAt(new TH1F(sddName.Data(),"SDD maps",scale*fMaxNofSamples, | |
1425 | 0.,(Float_t) scale*fMaxNofSamples), i); | |
1426 | } // end for i | |
b0f5e3fc | 1427 | } |
8a33ae9e | 1428 | //______________________________________________________________________ |
ece86d9a | 1429 | void AliITSsimulationSDD::FillHistograms(){ |
aacedc3e | 1430 | // fill 1D histograms from map |
8a33ae9e | 1431 | |
aacedc3e | 1432 | if (!fHis) return; |
8a33ae9e | 1433 | |
aacedc3e | 1434 | for( Int_t i=0; i<fNofMaps; i++) { |
1435 | TH1F *hist =(TH1F *)fHis->UncheckedAt(i); | |
1436 | Int_t nsamples = hist->GetNbinsX(); | |
1437 | for( Int_t j=0; j<nsamples; j++) { | |
1438 | Double_t signal=fHitMap2->GetSignal(i,j); | |
1439 | hist->Fill((Float_t)j,signal); | |
1440 | } // end for j | |
1441 | } // end for i | |
ece86d9a | 1442 | } |
8a33ae9e | 1443 | //______________________________________________________________________ |
b0f5e3fc | 1444 | void AliITSsimulationSDD::ResetHistograms(){ |
aacedc3e | 1445 | // Reset histograms for this detector |
1446 | Int_t i; | |
8a33ae9e | 1447 | |
aacedc3e | 1448 | for (i=0;i<fNofMaps;i++ ) { |
1449 | if (fHis->At(i)) ((TH1F*)fHis->At(i))->Reset(); | |
1450 | } // end for i | |
b0f5e3fc | 1451 | } |
8a33ae9e | 1452 | //______________________________________________________________________ |
b0f5e3fc | 1453 | TH1F *AliITSsimulationSDD::GetAnode(Int_t wing, Int_t anode) { |
aacedc3e | 1454 | // Fills a histogram from a give anode. |
8a33ae9e | 1455 | |
aacedc3e | 1456 | if (!fHis) return 0; |
8a33ae9e | 1457 | |
aacedc3e | 1458 | if(wing <=0 || wing > 2) { |
1459 | Warning("GetAnode","Wrong wing number: %d",wing); | |
1460 | return NULL; | |
1461 | } // end if wing <=0 || wing >2 | |
1462 | if(anode <=0 || anode > fNofMaps/2) { | |
1463 | Warning("GetAnode","Wrong anode number: %d",anode); | |
1464 | return NULL; | |
1465 | } // end if ampde <=0 || andoe > fNofMaps/2 | |
8a33ae9e | 1466 | |
aacedc3e | 1467 | Int_t index = (wing-1)*fNofMaps/2 + anode-1; |
1468 | return (TH1F*)(fHis->At(index)); | |
b0f5e3fc | 1469 | } |
8a33ae9e | 1470 | //______________________________________________________________________ |
b0f5e3fc | 1471 | void AliITSsimulationSDD::WriteToFile(TFile *hfile) { |
aacedc3e | 1472 | // Writes the histograms to a file |
b0f5e3fc | 1473 | |
aacedc3e | 1474 | if (!fHis) return; |
8a33ae9e | 1475 | |
aacedc3e | 1476 | hfile->cd(); |
1477 | Int_t i; | |
1478 | for(i=0; i<fNofMaps; i++) fHis->At(i)->Write(); //fAdcs[i]->Write(); | |
1479 | return; | |
b0f5e3fc | 1480 | } |
8a33ae9e | 1481 | //______________________________________________________________________ |
ece86d9a | 1482 | Float_t AliITSsimulationSDD::GetNoise() { |
aacedc3e | 1483 | // Returns the noise value |
1484 | //Bool_t do10to8=GetResp()->Do10to8(); | |
1485 | //noise will always be in the liniar part of the signal | |
1486 | Int_t decr; | |
1487 | Int_t threshold = fT1[0]; | |
1488 | char opt1[20], opt2[20]; | |
f45f6658 | 1489 | AliITSCalibrationSDD* res = (AliITSCalibrationSDD*)GetCalibrationModel(fModule); |
1490 | SetCompressParam(); | |
fcf95fc7 | 1491 | res->GetParamOptions(opt1,opt2); |
aacedc3e | 1492 | fParam=opt2; |
aacedc3e | 1493 | Double_t noise,baseline; |
f45f6658 | 1494 | //GetBaseline(fModule); |
aacedc3e | 1495 | |
1496 | TCanvas *c2 = (TCanvas*)gROOT->GetListOfCanvases()->FindObject("c2"); | |
1497 | if(c2) delete c2->GetPrimitive("noisehist"); | |
1498 | if(c2) delete c2->GetPrimitive("anode"); | |
1499 | else c2=new TCanvas("c2"); | |
1500 | c2->cd(); | |
1501 | c2->SetFillColor(0); | |
1502 | ||
1503 | TH1F *noisehist = new TH1F("noisehist","noise",100,0.,(float)2*threshold); | |
1504 | TH1F *anode = new TH1F("anode","Anode Projection",fMaxNofSamples,0., | |
1505 | (float)fMaxNofSamples); | |
1506 | Int_t i,k; | |
1507 | for (i=0;i<fNofMaps;i++) { | |
1508 | CompressionParam(i,decr,threshold); | |
f45f6658 | 1509 | baseline = res->GetBaseline(i); |
1510 | noise = res->GetNoise(i); | |
aacedc3e | 1511 | anode->Reset(); |
1512 | for (k=0;k<fMaxNofSamples;k++) { | |
1513 | Float_t signal=(Float_t)fHitMap2->GetSignal(i,k); | |
1514 | //if (signal <= (float)threshold) noisehist->Fill(signal-baseline); | |
1515 | if (signal <= (float)(threshold+decr)) noisehist->Fill(signal); | |
1516 | anode->Fill((float)k,signal); | |
1517 | } // end for k | |
1518 | anode->Draw(); | |
1519 | c2->Update(); | |
1520 | } // end for i | |
1521 | TF1 *gnoise = new TF1("gnoise","gaus",0.,threshold); | |
1522 | noisehist->Fit("gnoise","RQ"); | |
1523 | noisehist->Draw(); | |
ece86d9a | 1524 | c2->Update(); |
aacedc3e | 1525 | Float_t mnoise = gnoise->GetParameter(1); |
1526 | cout << "mnoise : " << mnoise << endl; | |
1527 | Float_t rnoise = gnoise->GetParameter(2); | |
1528 | cout << "rnoise : " << rnoise << endl; | |
1529 | delete noisehist; | |
1530 | return rnoise; | |
50d05d7b | 1531 | } |
1532 | //______________________________________________________________________ | |
1533 | void AliITSsimulationSDD::WriteSDigits(){ | |
aacedc3e | 1534 | // Fills the Summable digits Tree |
1535 | static AliITS *aliITS = (AliITS*)gAlice->GetModule("ITS"); | |
1536 | ||
1537 | for( Int_t i=0; i<fNofMaps; i++ ) { | |
1538 | if( !fAnodeFire[i] ) continue; | |
1539 | for( Int_t j=0; j<fMaxNofSamples; j++ ) { | |
1540 | Double_t sig = fHitMap2->GetSignal( i, j ); | |
1541 | if( sig > 0.2 ) { | |
1542 | Int_t jdx = j*fScaleSize; | |
1543 | Int_t index = fpList->GetHitIndex( i, j ); | |
1544 | AliITSpListItem pItemTmp2( fModule, index, 0. ); | |
1545 | // put the fScaleSize analog digits in only one | |
1546 | for( Int_t ik=0; ik<fScaleSize; ik++ ) { | |
1547 | AliITSpListItem *pItemTmp = fpList->GetpListItem(i,jdx+ik); | |
1548 | if( pItemTmp == 0 ) continue; | |
1549 | pItemTmp2.Add( pItemTmp ); | |
1550 | } | |
1551 | pItemTmp2.AddSignalAfterElect( fModule, index, sig ); | |
1552 | pItemTmp2.AddNoise(fModule,index,fHitNoiMap2->GetSignal(i,j)); | |
1553 | aliITS->AddSumDigit( pItemTmp2 ); | |
1554 | } // end if (sig > 0.2) | |
1555 | } | |
48058160 | 1556 | } |
aacedc3e | 1557 | return; |
b0f5e3fc | 1558 | } |
8a33ae9e | 1559 | //______________________________________________________________________ |
d2f55a22 | 1560 | void AliITSsimulationSDD::PrintStatus() const { |
aacedc3e | 1561 | // Print SDD simulation Parameters |
1562 | ||
1563 | cout << "**************************************************" << endl; | |
1564 | cout << " Silicon Drift Detector Simulation Parameters " << endl; | |
1565 | cout << "**************************************************" << endl; | |
1566 | cout << "Flag for Perpendicular tracks: " << (Int_t) fFlag << endl; | |
1567 | cout << "Flag for noise checking: " << (Int_t) fCheckNoise << endl; | |
1568 | cout << "Flag to switch off electronics: " << (Int_t) fDoFFT << endl; | |
1569 | cout << "Number pf Anodes used: " << fNofMaps << endl; | |
1570 | cout << "Number of Time Samples: " << fMaxNofSamples << endl; | |
1571 | cout << "Scale size factor: " << fScaleSize << endl; | |
1572 | cout << "**************************************************" << endl; | |
44a312c3 | 1573 | } |