]>
Commit | Line | Data |
---|---|---|
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 | ||
94de3818 | 23 | #include <TSystem.h> |
24 | #include <TROOT.h> | |
608f25d8 | 25 | #include <TStopwatch.h> |
ece86d9a | 26 | #include <TCanvas.h> |
27 | #include <TF1.h> | |
28 | #include <TRandom.h> | |
1ca7869b | 29 | #include <TH1.h> |
30 | #include <TFile.h> | |
31 | #include <TVector.h> | |
32 | #include <TArrayI.h> | |
33 | #include <TArrayF.h> | |
ece86d9a | 34 | |
b0f5e3fc | 35 | #include "AliRun.h" |
e8189707 | 36 | #include "AliITS.h" |
ece86d9a | 37 | #include "AliITShit.h" |
38 | #include "AliITSdigit.h" | |
39 | #include "AliITSmodule.h" | |
c7a4dac0 | 40 | #include "AliITSpList.h" |
e8189707 | 41 | #include "AliITSMapA1.h" |
42 | #include "AliITSMapA2.h" | |
e8189707 | 43 | #include "AliITSetfSDD.h" |
44 | #include "AliITSRawData.h" | |
b0f5e3fc | 45 | #include "AliITSHuffman.h" |
50d05d7b | 46 | #include "AliITSgeom.h" |
ece86d9a | 47 | #include "AliITSsegmentation.h" |
48 | #include "AliITSresponse.h" | |
c7a4dac0 | 49 | #include "AliITSsegmentationSDD.h" |
50 | #include "AliITSresponseSDD.h" | |
1ca7869b | 51 | #include "AliITSsimulationSDD.h" |
b0f5e3fc | 52 | |
b0f5e3fc | 53 | ClassImp(AliITSsimulationSDD) |
54 | //////////////////////////////////////////////////////////////////////// | |
55 | // Version: 0 | |
56 | // Written by Piergiorgio Cerello | |
57 | // November 23 1999 | |
58 | // | |
59 | // AliITSsimulationSDD is the simulation of SDDs. | |
60 | // | |
61 | //Begin_Html | |
62 | /* | |
63 | <img src="picts/ITS/AliITShit_Class_Diagram.gif"> | |
64 | </pre> | |
65 | <br clear=left> | |
66 | <font size=+2 color=red> | |
67 | <p>This show the relasionships between the ITS hit class and the rest of Aliroot. | |
68 | </font> | |
69 | <pre> | |
70 | */ | |
71 | //End_Html | |
8a33ae9e | 72 | //______________________________________________________________________ |
b0f5e3fc | 73 | Int_t power(Int_t b, Int_t e) { |
8a33ae9e | 74 | // compute b to the e power, where both b and e are Int_ts. |
75 | Int_t power = 1,i; | |
b0f5e3fc | 76 | |
8a33ae9e | 77 | for(i=0; i<e; i++) power *= b; |
78 | return power; | |
79 | } | |
80 | //______________________________________________________________________ | |
b0f5e3fc | 81 | void FastFourierTransform(AliITSetfSDD *alisddetf,Double_t *real, |
82 | Double_t *imag,Int_t direction) { | |
8a33ae9e | 83 | // Do a Fast Fourier Transform |
8a33ae9e | 84 | |
85 | Int_t samples = alisddetf->GetSamples(); | |
86 | Int_t l = (Int_t) ((log((Float_t) samples)/log(2.))+0.5); | |
87 | Int_t m1 = samples; | |
88 | Int_t m = samples/2; | |
89 | Int_t m2 = samples/m1; | |
90 | Int_t i,j,k; | |
91 | for(i=1; i<=l; i++) { | |
50d05d7b | 92 | for(j=0; j<samples; j += m1) { |
93 | Int_t p = 0; | |
94 | for(k=j; k<= j+m-1; k++) { | |
95 | Double_t wsr = alisddetf->GetWeightReal(p); | |
96 | Double_t wsi = alisddetf->GetWeightImag(p); | |
97 | if(direction == -1) wsi = -wsi; | |
98 | Double_t xr = *(real+k+m); | |
99 | Double_t xi = *(imag+k+m); | |
100 | *(real+k+m) = wsr*(*(real+k)-xr) - wsi*(*(imag+k)-xi); | |
101 | *(imag+k+m) = wsr*(*(imag+k)-xi) + wsi*(*(real+k)-xr); | |
102 | *(real+k) += xr; | |
103 | *(imag+k) += xi; | |
104 | p += m2; | |
105 | } // end for k | |
106 | } // end for j | |
107 | m1 = m; | |
108 | m /= 2; | |
109 | m2 += m2; | |
8a33ae9e | 110 | } // end for i |
b0f5e3fc | 111 | |
8a33ae9e | 112 | for(j=0; j<samples; j++) { |
50d05d7b | 113 | Int_t j1 = j; |
114 | Int_t p = 0; | |
115 | Int_t i1; | |
116 | for(i1=1; i1<=l; i1++) { | |
117 | Int_t j2 = j1; | |
118 | j1 /= 2; | |
119 | p = p + p + j2 - j1 - j1; | |
120 | } // end for i1 | |
121 | if(p >= j) { | |
122 | Double_t xr = *(real+j); | |
123 | Double_t xi = *(imag+j); | |
124 | *(real+j) = *(real+p); | |
125 | *(imag+j) = *(imag+p); | |
126 | *(real+p) = xr; | |
127 | *(imag+p) = xi; | |
128 | } // end if p>=j | |
8a33ae9e | 129 | } // end for j |
130 | if(direction == -1) { | |
50d05d7b | 131 | for(i=0; i<samples; i++) { |
132 | *(real+i) /= samples; | |
133 | *(imag+i) /= samples; | |
134 | } // end for i | |
8a33ae9e | 135 | } // end if direction == -1 |
50d05d7b | 136 | return; |
b0f5e3fc | 137 | } |
8a33ae9e | 138 | //______________________________________________________________________ |
b0f5e3fc | 139 | AliITSsimulationSDD::AliITSsimulationSDD(){ |
8a33ae9e | 140 | // Default constructor |
141 | ||
142 | fResponse = 0; | |
143 | fSegmentation = 0; | |
144 | fHis = 0; | |
50d05d7b | 145 | // fpList = 0; |
8a33ae9e | 146 | fHitMap2 = 0; |
48058160 | 147 | fHitSigMap2 = 0; |
148 | fHitNoiMap2 = 0; | |
8a33ae9e | 149 | fElectronics = 0; |
150 | fStream = 0; | |
151 | fInZR = 0; | |
152 | fInZI = 0; | |
153 | fOutZR = 0; | |
154 | fOutZI = 0; | |
155 | fNofMaps = 0; | |
156 | fMaxNofSamples = 0; | |
157 | fITS = 0; | |
8604b270 | 158 | fTreeB = 0; |
43217ad9 | 159 | fAnodeFire = 0; |
8a33ae9e | 160 | SetScaleFourier(); |
161 | SetPerpendTracksFlag(); | |
50d05d7b | 162 | SetCrosstalkFlag(); |
8a33ae9e | 163 | SetDoFFT(); |
164 | SetCheckNoise(); | |
b0f5e3fc | 165 | } |
8a33ae9e | 166 | //______________________________________________________________________ |
ac74f489 | 167 | AliITSsimulationSDD::AliITSsimulationSDD(AliITSsimulationSDD &source) : |
168 | AliITSsimulation(source){ | |
8a33ae9e | 169 | // Copy constructor to satify Coding roules only. |
170 | ||
171 | if(this==&source) return; | |
c7a4dac0 | 172 | Error("AliITSsimulationSSD","Not allowed to make a copy of " |
50d05d7b | 173 | "AliITSsimulationSDD Using default creater instead"); |
8a33ae9e | 174 | AliITSsimulationSDD(); |
b0f5e3fc | 175 | } |
8a33ae9e | 176 | //______________________________________________________________________ |
c7a4dac0 | 177 | AliITSsimulationSDD& AliITSsimulationSDD::operator=(AliITSsimulationSDD &src){ |
8a33ae9e | 178 | // Assignment operator to satify Coding roules only. |
179 | ||
c7a4dac0 | 180 | if(this==&src) return *this; |
181 | Error("AliITSsimulationSSD","Not allowed to make a = with " | |
50d05d7b | 182 | "AliITSsimulationSDD Using default creater instead"); |
8a33ae9e | 183 | return *this ; |
b0f5e3fc | 184 | } |
8a33ae9e | 185 | //______________________________________________________________________ |
c7a4dac0 | 186 | AliITSsimulationSDD::AliITSsimulationSDD(AliITSsegmentation *seg, |
50d05d7b | 187 | AliITSresponse *resp){ |
c7a4dac0 | 188 | // Standard Constructor |
189 | ||
c7a4dac0 | 190 | fResponse = 0; |
191 | fSegmentation = 0; | |
192 | fHis = 0; | |
50d05d7b | 193 | // fpList = 0; |
c7a4dac0 | 194 | fHitMap2 = 0; |
48058160 | 195 | fHitSigMap2 = 0; |
196 | fHitNoiMap2 = 0; | |
c7a4dac0 | 197 | fElectronics = 0; |
198 | fStream = 0; | |
199 | fInZR = 0; | |
200 | fInZI = 0; | |
201 | fOutZR = 0; | |
202 | fOutZI = 0; | |
203 | fNofMaps = 0; | |
204 | fMaxNofSamples = 0; | |
205 | fITS = 0; | |
206 | fTreeB = 0; | |
207 | ||
208 | Init((AliITSsegmentationSDD*)seg,(AliITSresponseSDD*)resp); | |
209 | } | |
210 | //______________________________________________________________________ | |
211 | void AliITSsimulationSDD::Init(AliITSsegmentationSDD *seg, | |
50d05d7b | 212 | AliITSresponseSDD *resp){ |
38867c90 | 213 | // Standard Constructor |
ece86d9a | 214 | |
38867c90 | 215 | fResponse = resp; |
216 | fSegmentation = seg; | |
217 | SetScaleFourier(); | |
218 | SetPerpendTracksFlag(); | |
50d05d7b | 219 | SetCrosstalkFlag(); |
38867c90 | 220 | SetDoFFT(); |
221 | SetCheckNoise(); | |
b0f5e3fc | 222 | |
50d05d7b | 223 | fpList = new AliITSpList( fSegmentation->Npz(), |
224 | fScaleSize*fSegmentation->Npx() ); | |
48058160 | 225 | fHitSigMap2 = new AliITSMapA2(fSegmentation,fScaleSize,1); |
226 | fHitNoiMap2 = new AliITSMapA2(fSegmentation,fScaleSize,1); | |
227 | fHitMap2 = fHitSigMap2; | |
b0f5e3fc | 228 | |
8a33ae9e | 229 | fNofMaps = fSegmentation->Npz(); |
230 | fMaxNofSamples = fSegmentation->Npx(); | |
43217ad9 | 231 | fAnodeFire = new Bool_t [fNofMaps]; |
232 | ||
38867c90 | 233 | Float_t sddLength = fSegmentation->Dx(); |
8a33ae9e | 234 | Float_t sddWidth = fSegmentation->Dz(); |
b0f5e3fc | 235 | |
8a33ae9e | 236 | Int_t dummy = 0; |
38867c90 | 237 | Float_t anodePitch = fSegmentation->Dpz(dummy); |
8a33ae9e | 238 | Double_t timeStep = (Double_t)fSegmentation->Dpx(dummy); |
239 | Float_t driftSpeed = fResponse->DriftSpeed(); | |
b0f5e3fc | 240 | |
38867c90 | 241 | if(anodePitch*(fNofMaps/2) > sddWidth) { |
50d05d7b | 242 | Warning("AliITSsimulationSDD", |
243 | "Too many anodes %d or too big pitch %f \n", | |
244 | fNofMaps/2,anodePitch); | |
38867c90 | 245 | } // end if |
b0f5e3fc | 246 | |
38867c90 | 247 | if(timeStep*fMaxNofSamples < sddLength/driftSpeed) { |
50d05d7b | 248 | Error("AliITSsimulationSDD", |
249 | "Time Interval > Allowed Time Interval: exit\n"); | |
250 | return; | |
38867c90 | 251 | } // end if |
b0f5e3fc | 252 | |
38867c90 | 253 | fElectronics = new AliITSetfSDD(timeStep/fScaleSize, |
50d05d7b | 254 | fResponse->Electronics()); |
b0f5e3fc | 255 | |
38867c90 | 256 | char opt1[20], opt2[20]; |
257 | fResponse->ParamOptions(opt1,opt2); | |
8a33ae9e | 258 | fParam = opt2; |
38867c90 | 259 | char *same = strstr(opt1,"same"); |
260 | if (same) { | |
50d05d7b | 261 | fNoise.Set(0); |
262 | fBaseline.Set(0); | |
38867c90 | 263 | } else { |
50d05d7b | 264 | fNoise.Set(fNofMaps); |
265 | fBaseline.Set(fNofMaps); | |
38867c90 | 266 | } // end if |
b0f5e3fc | 267 | |
38867c90 | 268 | const char *kopt=fResponse->ZeroSuppOption(); |
b9d0a01d | 269 | if (strstr(fParam.Data(),"file") ) { |
50d05d7b | 270 | fD.Set(fNofMaps); |
271 | fT1.Set(fNofMaps); | |
272 | if (strstr(kopt,"2D")) { | |
273 | fT2.Set(fNofMaps); | |
b0f5e3fc | 274 | fTol.Set(0); |
275 | Init2D(); // desactivate if param change module by module | |
50d05d7b | 276 | } else if(strstr(kopt,"1D")) { |
b0f5e3fc | 277 | fT2.Set(2); |
278 | fTol.Set(2); | |
279 | Init1D(); // desactivate if param change module by module | |
50d05d7b | 280 | } // end if strstr |
38867c90 | 281 | } else { |
50d05d7b | 282 | fD.Set(2); |
283 | fTol.Set(2); | |
284 | fT1.Set(2); | |
285 | fT2.Set(2); | |
286 | SetCompressParam(); | |
38867c90 | 287 | } // end if else strstr |
b0f5e3fc | 288 | |
8a33ae9e | 289 | Bool_t write = fResponse->OutputOption(); |
38867c90 | 290 | if(write && strstr(kopt,"2D")) MakeTreeB(); |
b0f5e3fc | 291 | |
38867c90 | 292 | // call here if baseline does not change by module |
293 | // ReadBaseline(); | |
b0f5e3fc | 294 | |
8a33ae9e | 295 | fITS = (AliITS*)gAlice->GetModule("ITS"); |
296 | Int_t size = fNofMaps*fMaxNofSamples; | |
297 | fStream = new AliITSInStream(size); | |
b0f5e3fc | 298 | |
38867c90 | 299 | fInZR = new Double_t [fScaleSize*fMaxNofSamples]; |
300 | fInZI = new Double_t [fScaleSize*fMaxNofSamples]; | |
301 | fOutZR = new Double_t [fScaleSize*fMaxNofSamples]; | |
302 | fOutZI = new Double_t [fScaleSize*fMaxNofSamples]; | |
5d18fa90 | 303 | |
b0f5e3fc | 304 | } |
8a33ae9e | 305 | //______________________________________________________________________ |
b0f5e3fc | 306 | AliITSsimulationSDD::~AliITSsimulationSDD() { |
8a33ae9e | 307 | // destructor |
308 | ||
50d05d7b | 309 | // delete fpList; |
48058160 | 310 | delete fHitSigMap2; |
311 | delete fHitNoiMap2; | |
8a33ae9e | 312 | delete fStream; |
313 | delete fElectronics; | |
314 | ||
8a33ae9e | 315 | fITS = 0; |
316 | ||
317 | if (fHis) { | |
50d05d7b | 318 | fHis->Delete(); |
319 | delete fHis; | |
8a33ae9e | 320 | } // end if fHis |
321 | if(fTreeB) delete fTreeB; | |
322 | if(fInZR) delete [] fInZR; | |
50d05d7b | 323 | if(fInZI) delete [] fInZI; |
8a33ae9e | 324 | if(fOutZR) delete [] fOutZR; |
325 | if(fOutZI) delete [] fOutZI; | |
43217ad9 | 326 | if(fAnodeFire) delete [] fAnodeFire; |
b0f5e3fc | 327 | } |
8a33ae9e | 328 | //______________________________________________________________________ |
50d05d7b | 329 | void AliITSsimulationSDD::InitSimulationModule( Int_t module, Int_t event ) { |
c7a4dac0 | 330 | // create maps to build the lists of tracks for each summable digit |
50d05d7b | 331 | fModule = module; |
332 | fEvent = event; | |
333 | ClearMaps(); | |
43217ad9 | 334 | memset(fAnodeFire,0,sizeof(Bool_t)*fNofMaps); |
50d05d7b | 335 | } |
336 | //______________________________________________________________________ | |
337 | void AliITSsimulationSDD::ClearMaps() { | |
338 | // clear maps | |
339 | fpList->ClearMap(); | |
48058160 | 340 | fHitSigMap2->ClearMap(); |
341 | fHitNoiMap2->ClearMap(); | |
50d05d7b | 342 | } |
343 | //______________________________________________________________________ | |
344 | void AliITSsimulationSDD::SDigitiseModule( AliITSmodule *mod, Int_t md, Int_t ev){ | |
345 | // digitize module using the "slow" detector simulator creating | |
346 | // summable digits. | |
c7a4dac0 | 347 | |
348 | TObjArray *fHits = mod->GetHits(); | |
349 | Int_t nhits = fHits->GetEntriesFast(); | |
50d05d7b | 350 | if( !nhits ) return; |
c7a4dac0 | 351 | |
50d05d7b | 352 | InitSimulationModule( md, ev ); |
353 | HitsToAnalogDigits( mod ); | |
48058160 | 354 | ChargeToSignal( kFALSE ); // - Process signal without add noise |
355 | fHitMap2 = fHitNoiMap2; // - Swap to noise map | |
356 | ChargeToSignal( kTRUE ); // - Process only noise | |
357 | fHitMap2 = fHitSigMap2; // - Return to signal map | |
50d05d7b | 358 | WriteSDigits(); |
359 | ClearMaps(); | |
360 | } | |
361 | //______________________________________________________________________ | |
48058160 | 362 | Bool_t AliITSsimulationSDD::AddSDigitsToModule( TClonesArray *pItemArray, Int_t mask ) { |
50d05d7b | 363 | // Add Summable digits to module maps. |
48058160 | 364 | Int_t nItems = pItemArray->GetEntries(); |
365 | Double_t maxadc = fResponse->MaxAdc(); | |
43217ad9 | 366 | //Bool_t sig = kFALSE; |
48058160 | 367 | |
50d05d7b | 368 | // cout << "Adding "<< nItems <<" SDigits to module " << fModule << endl; |
369 | for( Int_t i=0; i<nItems; i++ ) { | |
370 | AliITSpListItem * pItem = (AliITSpListItem *)(pItemArray->At( i )); | |
371 | if( pItem->GetModule() != fModule ) { | |
372 | Error( "AliITSsimulationSDD", | |
373 | "Error reading, SDigits module %d != current module %d: exit\n", | |
374 | pItem->GetModule(), fModule ); | |
43217ad9 | 375 | return kFALSE; |
50d05d7b | 376 | } // end if |
48058160 | 377 | |
43217ad9 | 378 | // if(pItem->GetSignal()>0.0 ) sig = kTRUE; |
379 | ||
48058160 | 380 | fpList->AddItemTo( mask, pItem ); // Add SignalAfterElect + noise |
381 | AliITSpListItem * pItem2 = fpList->GetpListItem( pItem->GetIndex() ); | |
382 | Double_t sigAE = pItem2->GetSignalAfterElect(); | |
383 | if( sigAE >= maxadc ) sigAE = maxadc-1; // avoid overflow signal | |
384 | Int_t ia; | |
385 | Int_t it; | |
386 | fpList->GetMapIndex( pItem->GetIndex(), ia, it ); | |
387 | fHitMap2->SetHit( ia, it, sigAE ); | |
43217ad9 | 388 | fAnodeFire[ia] = kTRUE; |
50d05d7b | 389 | } |
43217ad9 | 390 | return kTRUE; |
48058160 | 391 | } |
50d05d7b | 392 | //______________________________________________________________________ |
393 | void AliITSsimulationSDD::FinishSDigitiseModule() { | |
394 | // digitize module using the "slow" detector simulator from | |
395 | // the sum of summable digits. | |
396 | FinishDigits() ; | |
397 | ClearMaps(); | |
c7a4dac0 | 398 | } |
399 | //______________________________________________________________________ | |
b0f5e3fc | 400 | void AliITSsimulationSDD::DigitiseModule(AliITSmodule *mod,Int_t md,Int_t ev){ |
8a33ae9e | 401 | // create maps to build the lists of tracks for each digit |
b0f5e3fc | 402 | |
403 | TObjArray *fHits = mod->GetHits(); | |
8a33ae9e | 404 | Int_t nhits = fHits->GetEntriesFast(); |
8a33ae9e | 405 | |
50d05d7b | 406 | InitSimulationModule( md, ev ); |
407 | ||
408 | if( !nhits && fCheckNoise ) { | |
48058160 | 409 | ChargeToSignal( kTRUE ); // process noise |
ece86d9a | 410 | GetNoise(); |
50d05d7b | 411 | ClearMaps(); |
ece86d9a | 412 | return; |
50d05d7b | 413 | } else |
414 | if( !nhits ) return; | |
48058160 | 415 | |
50d05d7b | 416 | HitsToAnalogDigits( mod ); |
48058160 | 417 | ChargeToSignal( kTRUE ); // process signal + noise |
418 | ||
419 | for( Int_t i=0; i<fNofMaps; i++ ) { | |
420 | for( Int_t j=0; j<fMaxNofSamples; j++ ) { | |
421 | Int_t jdx = j*fScaleSize; | |
422 | Int_t index = fpList->GetHitIndex( i, j ); | |
423 | AliITSpListItem pItemTmp2( fModule, index, 0. ); | |
424 | // put the fScaleSize analog digits in only one | |
425 | for( Int_t ik=0; ik<fScaleSize; ik++ ) { | |
426 | AliITSpListItem *pItemTmp = fpList->GetpListItem( i, jdx+ik ); | |
427 | if( pItemTmp == 0 ) continue; | |
428 | pItemTmp2.Add( pItemTmp ); | |
429 | } | |
430 | fpList->DeleteHit( i, j ); | |
431 | fpList->AddItemTo( 0, &pItemTmp2 ); | |
432 | } | |
433 | } | |
434 | ||
50d05d7b | 435 | FinishDigits(); |
436 | ClearMaps(); | |
c7a4dac0 | 437 | } |
438 | //______________________________________________________________________ | |
50d05d7b | 439 | void AliITSsimulationSDD::FinishDigits() { |
c7a4dac0 | 440 | // introduce the electronics effects and do zero-suppression if required |
8a33ae9e | 441 | |
50d05d7b | 442 | ApplyDeadChannels(); |
443 | if( fCrosstalkFlag ) ApplyCrosstalk(); | |
444 | ||
445 | const char *kopt = fResponse->ZeroSuppOption(); | |
446 | ZeroSuppression( kopt ); | |
c7a4dac0 | 447 | } |
448 | //______________________________________________________________________ | |
50d05d7b | 449 | void AliITSsimulationSDD::HitsToAnalogDigits( AliITSmodule *mod ) { |
c7a4dac0 | 450 | // create maps to build the lists of tracks for each digit |
451 | ||
452 | TObjArray *fHits = mod->GetHits(); | |
453 | Int_t nhits = fHits->GetEntriesFast(); | |
50d05d7b | 454 | // Int_t arg[6] = {0,0,0,0,0,0}; |
8a33ae9e | 455 | Int_t dummy = 0; |
456 | Int_t nofAnodes = fNofMaps/2; | |
457 | Float_t sddLength = fSegmentation->Dx(); | |
458 | Float_t sddWidth = fSegmentation->Dz(); | |
459 | Float_t anodePitch = fSegmentation->Dpz(dummy); | |
460 | Float_t timeStep = fSegmentation->Dpx(dummy); | |
461 | Float_t driftSpeed = fResponse->DriftSpeed(); | |
462 | Float_t maxadc = fResponse->MaxAdc(); | |
463 | Float_t topValue = fResponse->DynamicRange(); | |
464 | Float_t cHloss = fResponse->ChargeLoss(); | |
465 | Float_t norm = maxadc/topValue; | |
466 | Float_t dfCoeff, s1; fResponse->DiffCoeff(dfCoeff,s1); // Signal 2d Shape | |
467 | Double_t eVpairs = 3.6; // electron pair energy eV. | |
468 | Float_t nsigma = fResponse->NSigmaIntegration(); // | |
469 | Int_t nlookups = fResponse->GausNLookUp(); // | |
48058160 | 470 | Float_t jitter = ((AliITSresponseSDD*)fResponse)->JitterError(); // |
44a312c3 | 471 | |
b0f5e3fc | 472 | // Piergiorgio's part (apart for few variables which I made float |
473 | // when i thought that can be done | |
b0f5e3fc | 474 | // Fill detector maps with GEANT hits |
475 | // loop over hits in the module | |
476 | ||
8a33ae9e | 477 | const Float_t kconv = 1.0e+6; // GeV->KeV |
478 | Int_t itrack = 0; | |
479 | Int_t hitDetector; // detector number (lay,lad,hitDetector) | |
480 | Int_t iWing; // which detector wing/side. | |
481 | Int_t detector; // 2*(detector-1)+iWing | |
482 | Int_t ii,kk,ka,kt; // loop indexs | |
483 | Int_t ia,it,index; // sub-pixel integration indexies | |
484 | Int_t iAnode; // anode number. | |
485 | Int_t timeSample; // time buckett. | |
486 | Int_t anodeWindow; // anode direction charge integration width | |
487 | Int_t timeWindow; // time direction charge integration width | |
488 | Int_t jamin,jamax; // anode charge integration window | |
489 | Int_t jtmin,jtmax; // time charge integration window | |
490 | Int_t ndiv; // Anode window division factor. | |
491 | Int_t nsplit; // the number of splits in anode and time windows==1. | |
492 | Int_t nOfSplits; // number of times track length is split into | |
493 | Float_t nOfSplitsF; // Floating point version of nOfSplits. | |
494 | Float_t kkF; // Floating point version of loop index kk. | |
495 | Float_t pathInSDD; // Track length in SDD. | |
496 | Float_t drPath; // average position of track in detector. in microns | |
497 | Float_t drTime; // Drift time | |
498 | Float_t nmul; // drift time window multiplication factor. | |
499 | Float_t avDrft; // x position of path length segment in cm. | |
500 | Float_t avAnode; // Anode for path length segment in Anode number (float) | |
501 | Float_t xAnode; // Floating point anode number. | |
502 | Float_t driftPath; // avDrft in microns. | |
503 | Float_t width; // width of signal at anodes. | |
504 | Double_t depEnergy; // Energy deposited in this GEANT step. | |
505 | Double_t xL[3],dxL[3]; // local hit coordinates and diff. | |
506 | Double_t sigA; // sigma of signal at anode. | |
507 | Double_t sigT; // sigma in time/drift direction for track segment | |
508 | Double_t aStep,aConst; // sub-pixel size and offset anode | |
509 | Double_t tStep,tConst; // sub-pixel size and offset time | |
510 | Double_t amplitude; // signal amplitude for track segment in nanoAmpere | |
511 | Double_t chargeloss; // charge loss for track segment. | |
512 | Double_t anodeAmplitude; // signal amplitude in anode direction | |
513 | Double_t aExpo; // exponent of Gaussian anode direction | |
514 | Double_t timeAmplitude; // signal amplitude in time direction | |
515 | Double_t tExpo; // exponent of Gaussian time direction | |
516 | // Double_t tof; // Time of flight in ns of this step. | |
44a312c3 | 517 | |
b0f5e3fc | 518 | for(ii=0; ii<nhits; ii++) { |
50d05d7b | 519 | if(!mod->LineSegmentL(ii,xL[0],dxL[0],xL[1],dxL[1],xL[2],dxL[2], |
520 | depEnergy,itrack)) continue; | |
48058160 | 521 | xL[0] += 0.0001*gRandom->Gaus( 0, jitter ); // |
50d05d7b | 522 | depEnergy *= kconv; |
523 | hitDetector = mod->GetDet(); | |
524 | //tof = 1.E+09*(mod->GetHit(ii)->GetTOF()); // tof in ns. | |
525 | //if(tof>sddLength/driftSpeed) continue; // hit happed too late. | |
526 | ||
527 | // scale path to simulate a perpendicular track | |
528 | // continue if the particle did not lose energy | |
529 | // passing through detector | |
530 | if (!depEnergy) { | |
531 | Warning("HitsToAnalogDigits", | |
532 | "fTrack = %d hit=%d module=%d This particle has" | |
533 | " passed without losing energy!", | |
534 | itrack,ii,mod->GetIndex()); | |
535 | continue; | |
536 | } // end if !depEnergy | |
537 | ||
538 | pathInSDD = TMath::Sqrt(dxL[0]*dxL[0]+dxL[1]*dxL[1]+dxL[2]*dxL[2]); | |
539 | ||
540 | if (fFlag && pathInSDD) { depEnergy *= (0.03/pathInSDD); } | |
541 | drPath = 10000.*(dxL[0]+2.*xL[0])*0.5; | |
542 | if(drPath < 0) drPath = -drPath; | |
543 | drPath = sddLength-drPath; | |
544 | if(drPath < 0) { | |
545 | Warning("HitsToAnalogDigits", | |
546 | "negative drift path drPath=%e sddLength=%e dxL[0]=%e " | |
547 | "xL[0]=%e", | |
548 | drPath,sddLength,dxL[0],xL[0]); | |
549 | continue; | |
550 | } // end if drPath < 0 | |
551 | ||
552 | // Compute number of segments to brake step path into | |
553 | drTime = drPath/driftSpeed; // Drift Time | |
554 | sigA = TMath::Sqrt(2.*dfCoeff*drTime+s1*s1);// Sigma along the anodes | |
555 | // calcuate the number of time the path length should be split into. | |
556 | nOfSplits = (Int_t) (1. + 10000.*pathInSDD/sigA); | |
557 | if(fFlag) nOfSplits = 1; | |
558 | ||
559 | // loop over path segments, init. some variables. | |
560 | depEnergy /= nOfSplits; | |
561 | nOfSplitsF = (Float_t) nOfSplits; | |
562 | for(kk=0;kk<nOfSplits;kk++) { // loop over path segments | |
563 | kkF = (Float_t) kk + 0.5; | |
564 | avDrft = xL[0]+dxL[0]*kkF/nOfSplitsF; | |
565 | avAnode = xL[2]+dxL[2]*kkF/nOfSplitsF; | |
566 | driftPath = 10000.*avDrft; | |
567 | ||
568 | iWing = 2; // Assume wing is 2 | |
569 | if(driftPath < 0) { // if wing is not 2 it is 1. | |
570 | iWing = 1; | |
571 | driftPath = -driftPath; | |
572 | } // end if driftPath < 0 | |
573 | driftPath = sddLength-driftPath; | |
574 | detector = 2*(hitDetector-1) + iWing; | |
575 | if(driftPath < 0) { | |
576 | Warning("HitsToAnalogDigits","negative drift path " | |
577 | "driftPath=%e sddLength=%e avDrft=%e dxL[0]=%e " | |
578 | "xL[0]=%e",driftPath,sddLength,avDrft,dxL[0],xL[0]); | |
579 | continue; | |
580 | } // end if driftPath < 0 | |
581 | ||
582 | // Drift Time | |
583 | drTime = driftPath/driftSpeed; // drift time for segment. | |
584 | timeSample = (Int_t) (fScaleSize*drTime/timeStep + 1); | |
585 | // compute time Sample including tof information. The tof only | |
586 | // effects the time of the signal is recoreded and not the | |
587 | // the defusion. | |
588 | // timeSample = (Int_t) (fScaleSize*(drTime+tof)/timeStep + 1); | |
589 | if(timeSample > fScaleSize*fMaxNofSamples) { | |
590 | Warning("HitsToAnalogDigits","Wrong Time Sample: %e", | |
591 | timeSample); | |
592 | continue; | |
593 | } // end if timeSample > fScaleSize*fMaxNoofSamples | |
594 | ||
595 | // Anode | |
596 | xAnode = 10000.*(avAnode)/anodePitch + nofAnodes/2; // +1? | |
597 | if(xAnode*anodePitch > sddWidth || xAnode*anodePitch < 0.) | |
598 | Warning("HitsToAnalogDigits", | |
599 | "Exceedubg sddWidth=%e Z = %e", | |
600 | sddWidth,xAnode*anodePitch); | |
601 | iAnode = (Int_t) (1.+xAnode); // xAnode? | |
602 | if(iAnode < 1 || iAnode > nofAnodes) { | |
603 | Warning("HitToAnalogDigits","Wrong iAnode: 1<%d>%d", | |
604 | iAnode,nofAnodes); | |
605 | continue; | |
606 | } // end if iAnode < 1 || iAnode > nofAnodes | |
607 | ||
608 | // store straight away the particle position in the array | |
609 | // of particles and take idhit=ii only when part is entering (this | |
610 | // requires FillModules() in the macro for analysis) : | |
b0f5e3fc | 611 | |
50d05d7b | 612 | // Sigma along the anodes for track segment. |
613 | sigA = TMath::Sqrt(2.*dfCoeff*drTime+s1*s1); | |
614 | sigT = sigA/driftSpeed; | |
615 | // Peak amplitude in nanoAmpere | |
616 | amplitude = fScaleSize*160.*depEnergy/ | |
617 | (timeStep*eVpairs*2.*acos(-1.)*sigT*sigA); | |
618 | amplitude *= timeStep/25.; // WARNING!!!!! Amplitude scaling to | |
619 | // account for clock variations | |
8a33ae9e | 620 | // (reference value: 40 MHz) |
50d05d7b | 621 | chargeloss = 1.-cHloss*driftPath/1000; |
622 | amplitude *= chargeloss; | |
623 | width = 2.*nsigma/(nlookups-1); | |
624 | // Spread the charge | |
625 | // Pixel index | |
626 | ndiv = 2; | |
627 | nmul = 3.; | |
628 | if(drTime > 1200.) { | |
629 | ndiv = 4; | |
630 | nmul = 1.5; | |
631 | } // end if drTime > 1200. | |
632 | // Sub-pixel index | |
633 | nsplit = 4; // hard-wired //nsplit=4;nsplit = (nsplit+1)/2*2; | |
634 | // Sub-pixel size see computation of aExpo and tExpo. | |
635 | aStep = anodePitch/(nsplit*fScaleSize*sigA); | |
636 | aConst = xAnode*anodePitch/sigA; | |
637 | tStep = timeStep/(nsplit*fScaleSize*sigT); | |
638 | tConst = drTime/sigT; | |
639 | // Define SDD window corresponding to the hit | |
640 | anodeWindow = (Int_t)(fScaleSize*nsigma*sigA/anodePitch+1); | |
641 | timeWindow = (Int_t) (fScaleSize*nsigma*sigT/timeStep+1.); | |
642 | jamin = (iAnode - anodeWindow/ndiv - 1)*fScaleSize*nsplit +1; | |
643 | jamax = (iAnode + anodeWindow/ndiv)*fScaleSize*nsplit; | |
644 | if(jamin <= 0) jamin = 1; | |
645 | if(jamax > fScaleSize*nofAnodes*nsplit) | |
646 | jamax = fScaleSize*nofAnodes*nsplit; | |
647 | // jtmin and jtmax are Hard-wired | |
648 | jtmin = (Int_t)(timeSample-timeWindow*nmul-1)*nsplit+1; | |
649 | jtmax = (Int_t)(timeSample+timeWindow*nmul)*nsplit; | |
650 | if(jtmin <= 0) jtmin = 1; | |
651 | if(jtmax > fScaleSize*fMaxNofSamples*nsplit) | |
652 | jtmax = fScaleSize*fMaxNofSamples*nsplit; | |
653 | // Spread the charge in the anode-time window | |
654 | for(ka=jamin; ka <=jamax; ka++) { | |
655 | ia = (ka-1)/(fScaleSize*nsplit) + 1; | |
656 | if(ia <= 0) { | |
657 | Warning("HitsToAnalogDigits","ia < 1: "); | |
658 | continue; | |
659 | } // end if | |
660 | if(ia > nofAnodes) ia = nofAnodes; | |
661 | aExpo = (aStep*(ka-0.5)-aConst); | |
662 | if(TMath::Abs(aExpo) > nsigma) anodeAmplitude = 0.; | |
663 | else { | |
664 | dummy = (Int_t) ((aExpo+nsigma)/width); | |
665 | anodeAmplitude = amplitude*fResponse->GausLookUp(dummy); | |
666 | } // end if TMath::Abs(aEspo) > nsigma | |
667 | // index starts from 0 | |
668 | index = ((detector+1)%2)*nofAnodes+ia-1; | |
669 | if(anodeAmplitude) for(kt=jtmin; kt<=jtmax; kt++) { | |
670 | it = (kt-1)/nsplit+1; // it starts from 1 | |
671 | if(it<=0){ | |
672 | Warning("HitsToAnalogDigits","it < 1:"); | |
673 | continue; | |
674 | } // end if | |
675 | if(it>fScaleSize*fMaxNofSamples) | |
676 | it = fScaleSize*fMaxNofSamples; | |
677 | tExpo = (tStep*(kt-0.5)-tConst); | |
678 | if(TMath::Abs(tExpo) > nsigma) timeAmplitude = 0.; | |
679 | else { | |
680 | dummy = (Int_t) ((tExpo+nsigma)/width); | |
681 | timeAmplitude = anodeAmplitude* | |
682 | fResponse->GausLookUp(dummy); | |
683 | } // end if TMath::Abs(tExpo) > nsigma | |
684 | // build the list of Sdigits for this module | |
685 | // arg[0] = index; | |
686 | // arg[1] = it; | |
687 | // arg[2] = itrack; // track number | |
688 | // arg[3] = ii-1; // hit number. | |
689 | timeAmplitude *= norm; | |
690 | timeAmplitude *= 10; | |
691 | // ListOfFiredCells(arg,timeAmplitude,alst,padr); | |
48058160 | 692 | Double_t charge = timeAmplitude; |
693 | charge += fHitMap2->GetSignal(index,it-1); | |
694 | fHitMap2->SetHit(index, it-1, charge); | |
50d05d7b | 695 | fpList->AddSignal(index,it-1,itrack,ii-1, |
696 | mod->GetIndex(),timeAmplitude); | |
43217ad9 | 697 | fAnodeFire[index] = kTRUE; |
50d05d7b | 698 | } // end if anodeAmplitude and loop over time in window |
699 | } // loop over anodes in window | |
700 | } // end loop over "sub-hits" | |
44a312c3 | 701 | } // end loop over hits |
b0f5e3fc | 702 | } |
50d05d7b | 703 | |
704 | /* | |
8a33ae9e | 705 | //______________________________________________________________________ |
b0f5e3fc | 706 | void AliITSsimulationSDD::ListOfFiredCells(Int_t *arg,Double_t timeAmplitude, |
8a33ae9e | 707 | TObjArray *alist,TClonesArray *padr){ |
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)) { | |
50d05d7b | 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); | |
8a33ae9e | 746 | } else { |
50d05d7b | 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 | |
b0f5e3fc | 776 | |
777 | #ifdef print | |
50d05d7b | 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 | |
b0f5e3fc | 793 | #endif |
8a33ae9e | 794 | } // end if pdigit |
b0f5e3fc | 795 | |
8a33ae9e | 796 | // update counter and countadr for next call. |
797 | arg[4] = counter; | |
798 | arg[5] = countadr; | |
b0f5e3fc | 799 | } |
50d05d7b | 800 | */ |
801 | ||
b0f5e3fc | 802 | //____________________________________________ |
50d05d7b | 803 | void AliITSsimulationSDD::AddDigit( Int_t i, Int_t j, Int_t signal ) { |
804 | // Adds a Digit. | |
ee86d557 | 805 | Int_t size = AliITSdigitSPD::GetNTracks(); |
5c5273c2 | 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]; | |
50d05d7b | 811 | |
812 | if( fResponse->Do10to8() ) signal = Convert8to10( signal ); | |
813 | digits[0] = i; | |
814 | digits[1] = j; | |
815 | digits[2] = signal; | |
816 | ||
48058160 | 817 | AliITSpListItem *pItem = fpList->GetpListItem( i, j ); |
818 | if( pItem == 0 ) { | |
819 | phys = 0.0; | |
ee86d557 | 820 | for( Int_t l=0; l<size; l++ ) { |
48058160 | 821 | tracks[l] = 0; |
822 | hits[l] = 0; | |
823 | charges[l] = 0.0; | |
824 | } | |
825 | } else { | |
826 | Int_t idtrack = pItem->GetTrack( 0 ); | |
827 | if( idtrack >= 0 ) phys = pItem->GetSignal(); | |
828 | else phys = 0.0; | |
829 | ||
ee86d557 | 830 | for( Int_t l=0; l<size; l++ ) if(l<pItem->GetMaxKept()) { |
48058160 | 831 | tracks[l] = pItem->GetTrack( l ); |
832 | hits[l] = pItem->GetHit( l ); | |
833 | charges[l] = pItem->GetSignal( l ); | |
ee86d557 | 834 | }else{ |
835 | tracks[l] = -3; | |
836 | hits[l] = -1; | |
837 | charges[l] = 0.0; | |
838 | }// end for if | |
50d05d7b | 839 | } |
b0f5e3fc | 840 | |
50d05d7b | 841 | fITS->AddSimDigit( 1, phys, digits, tracks, hits, charges ); |
5c5273c2 | 842 | delete [] tracks; |
843 | delete [] hits; | |
844 | delete [] charges; | |
50d05d7b | 845 | } |
846 | ||
8a33ae9e | 847 | //______________________________________________________________________ |
48058160 | 848 | void AliITSsimulationSDD::ChargeToSignal(Bool_t bAddNoise) { |
8a33ae9e | 849 | // add baseline, noise, electronics and ADC saturation effects |
b0f5e3fc | 850 | |
8a33ae9e | 851 | char opt1[20], opt2[20]; |
852 | fResponse->ParamOptions(opt1,opt2); | |
853 | char *read = strstr(opt1,"file"); | |
854 | Float_t baseline, noise; | |
855 | ||
856 | if (read) { | |
50d05d7b | 857 | static Bool_t readfile=kTRUE; |
858 | //read baseline and noise from file | |
859 | if (readfile) ReadBaseline(); | |
860 | readfile=kFALSE; | |
8a33ae9e | 861 | } else fResponse->GetNoiseParam(noise,baseline); |
862 | ||
863 | Float_t contrib=0; | |
864 | Int_t i,k,kk; | |
865 | Float_t maxadc = fResponse->MaxAdc(); | |
866 | if(!fDoFFT) { | |
50d05d7b | 867 | for (i=0;i<fNofMaps;i++) { |
43217ad9 | 868 | if( !fAnodeFire[i] ) continue; |
50d05d7b | 869 | if (read && i<fNofMaps) GetAnodeBaseline(i,baseline,noise); |
870 | for(k=0; k<fScaleSize*fMaxNofSamples; k++) { | |
871 | fInZR[k] = fHitMap2->GetSignal(i,k); | |
48058160 | 872 | if( bAddNoise ) { |
873 | contrib = (baseline + noise*gRandom->Gaus()); | |
874 | fInZR[k] += contrib; | |
875 | } | |
50d05d7b | 876 | } // end for k |
877 | for(k=0; k<fMaxNofSamples; k++) { | |
878 | Double_t newcont = 0.; | |
879 | Double_t maxcont = 0.; | |
880 | for(kk=0;kk<fScaleSize;kk++) { | |
881 | newcont = fInZR[fScaleSize*k+kk]; | |
882 | if(newcont > maxcont) maxcont = newcont; | |
883 | } // end for kk | |
884 | newcont = maxcont; | |
885 | if (newcont >= maxadc) newcont = maxadc -1; | |
886 | if(newcont >= baseline){ | |
887 | Warning("","newcont=%d>=baseline=%d",newcont,baseline); | |
888 | } // end if | |
889 | // back to analog: ? | |
890 | fHitMap2->SetHit(i,k,newcont); | |
891 | } // end for k | |
892 | } // end for i loop over anodes | |
893 | return; | |
8a33ae9e | 894 | } // end if DoFFT |
ece86d9a | 895 | |
ece86d9a | 896 | for (i=0;i<fNofMaps;i++) { |
43217ad9 | 897 | if( !fAnodeFire[i] ) continue; |
50d05d7b | 898 | if (read && i<fNofMaps) GetAnodeBaseline(i,baseline,noise); |
899 | for(k=0; k<fScaleSize*fMaxNofSamples; k++) { | |
900 | fInZR[k] = fHitMap2->GetSignal(i,k); | |
48058160 | 901 | if( bAddNoise ) { |
902 | contrib = (baseline + noise*gRandom->Gaus()); | |
903 | fInZR[k] += contrib; | |
904 | } | |
50d05d7b | 905 | fInZI[k] = 0.; |
906 | } // end for k | |
907 | FastFourierTransform(fElectronics,&fInZR[0],&fInZI[0],1); | |
908 | for(k=0; k<fScaleSize*fMaxNofSamples; k++) { | |
909 | Double_t rw = fElectronics->GetTraFunReal(k); | |
910 | Double_t iw = fElectronics->GetTraFunImag(k); | |
911 | fOutZR[k] = fInZR[k]*rw - fInZI[k]*iw; | |
912 | fOutZI[k] = fInZR[k]*iw + fInZI[k]*rw; | |
913 | } // end for k | |
914 | FastFourierTransform(fElectronics,&fOutZR[0],&fOutZI[0],-1); | |
915 | for(k=0; k<fMaxNofSamples; k++) { | |
916 | Double_t newcont1 = 0.; | |
917 | Double_t maxcont1 = 0.; | |
918 | for(kk=0;kk<fScaleSize;kk++) { | |
919 | newcont1 = fOutZR[fScaleSize*k+kk]; | |
920 | if(newcont1 > maxcont1) maxcont1 = newcont1; | |
921 | } // end for kk | |
922 | newcont1 = maxcont1; | |
923 | if (newcont1 >= maxadc) newcont1 = maxadc -1; | |
924 | fHitMap2->SetHit(i,k,newcont1); | |
925 | } // end for k | |
8a33ae9e | 926 | } // end for i loop over anodes |
ece86d9a | 927 | return; |
b0f5e3fc | 928 | } |
50d05d7b | 929 | //____________________________________________________________________ |
930 | void AliITSsimulationSDD::ApplyDeadChannels() { | |
931 | // Set dead channel signal to zero | |
932 | AliITSresponseSDD * response = (AliITSresponseSDD *)fResponse; | |
933 | ||
934 | // nothing to do | |
935 | if( response->GetDeadModules() == 0 && | |
936 | response->GetDeadChips() == 0 && | |
937 | response->GetDeadChannels() == 0 ) | |
938 | return; | |
939 | ||
940 | static AliITS *iTS = (AliITS*)gAlice->GetModule( "ITS" ); | |
941 | ||
942 | Int_t fMaxNofSamples = fSegmentation->Npx(); | |
943 | AliITSgeom *geom = iTS->GetITSgeom(); | |
944 | Int_t firstSDDMod = geom->GetStartDet( 1 ); | |
945 | // loop over wings | |
946 | for( Int_t j=0; j<2; j++ ) { | |
947 | Int_t mod = (fModule-firstSDDMod)*2 + j; | |
948 | for( Int_t u=0; u<response->Chips(); u++ ) | |
949 | for( Int_t v=0; v<response->Channels(); v++ ) { | |
950 | Float_t Gain = response->Gain( mod, u, v ); | |
951 | for( Int_t k=0; k<fMaxNofSamples; k++ ) { | |
952 | Int_t i = j*response->Chips()*response->Channels() + | |
953 | u*response->Channels() + | |
954 | v; | |
955 | Double_t signal = Gain * fHitMap2->GetSignal( i, k ); | |
956 | fHitMap2->SetHit( i, k, signal ); /// | |
957 | } | |
958 | } | |
959 | } | |
960 | } | |
961 | //______________________________________________________________________ | |
962 | void AliITSsimulationSDD::ApplyCrosstalk() { | |
963 | // function add the crosstalk effect to signal | |
964 | // temporal function, should be checked...!!! | |
965 | ||
966 | Int_t fNofMaps = fSegmentation->Npz(); | |
967 | Int_t fMaxNofSamples = fSegmentation->Npx(); | |
968 | ||
969 | // create and inizialice crosstalk map | |
970 | Float_t* ctk = new Float_t[fNofMaps*fMaxNofSamples+1]; | |
971 | if( ctk == NULL ) { | |
972 | Error( "ApplyCrosstalk", "no memory for temporal map: exit \n" ); | |
973 | return; | |
974 | } | |
975 | memset( ctk, 0, sizeof(Float_t)*(fNofMaps*fMaxNofSamples+1) ); | |
976 | ||
977 | Float_t noise, baseline; | |
978 | fResponse->GetNoiseParam( noise, baseline ); | |
979 | ||
980 | for( Int_t z=0; z<fNofMaps; z++ ) { | |
981 | Bool_t on = kFALSE; | |
982 | Int_t tstart = 0; | |
983 | Int_t tstop = 0; | |
984 | Int_t nTsteps = 0; | |
985 | ||
986 | for( Int_t l=0; l<fMaxNofSamples; l++ ) { | |
987 | Float_t fadc = (Float_t)fHitMap2->GetSignal( z, l ); | |
988 | if( fadc > baseline ) { | |
989 | if( on == kFALSE && l<fMaxNofSamples-4 ) { | |
990 | Float_t fadc1 = (Float_t)fHitMap2->GetSignal( z, l+1 ); | |
991 | if( fadc1 < fadc ) continue; | |
992 | on = kTRUE; | |
993 | nTsteps = 0; | |
994 | tstart = l; | |
995 | } | |
996 | nTsteps++; | |
997 | } | |
998 | else { // end fadc > baseline | |
999 | if( on == kTRUE ) { | |
1000 | if( nTsteps > 2 ) { | |
1001 | tstop = l; | |
1002 | // make smooth derivative | |
1003 | Float_t* dev = new Float_t[fMaxNofSamples+1]; | |
1004 | memset( dev, 0, sizeof(Float_t)*(fMaxNofSamples+1) ); | |
1005 | if( ctk == NULL ) { | |
1006 | Error( "ApplyCrosstalk", | |
1007 | "no memory for temporal array: exit \n" ); | |
1008 | return; | |
1009 | } | |
1010 | for( Int_t i=tstart; i<tstop; i++ ) { | |
1011 | if( i > 2 && i < fMaxNofSamples-2 ) | |
1012 | dev[i] = -0.2*fHitMap2->GetSignal( z,i-2 ) | |
1013 | -0.1*fHitMap2->GetSignal( z,i-1 ) | |
1014 | +0.1*fHitMap2->GetSignal( z,i+1 ) | |
1015 | +0.2*fHitMap2->GetSignal( z,i+2 ); | |
1016 | } | |
1017 | ||
1018 | // add crosstalk contribution to neibourg anodes | |
1019 | for( Int_t i=tstart; i<tstop; i++ ) { | |
1020 | Int_t anode = z - 1; | |
1021 | Int_t i1 = (Int_t)((i-tstart)*.61+tstart+0.5); // | |
1022 | Float_t ctktmp = -dev[i1] * 0.25; | |
1023 | if( anode > 0 ) { | |
1024 | ctk[anode*fMaxNofSamples+i] += ctktmp; | |
1025 | } | |
1026 | anode = z + 1; | |
1027 | if( anode < fNofMaps ) { | |
1028 | ctk[anode*fMaxNofSamples+i] += ctktmp; | |
1029 | } | |
1030 | } | |
1031 | delete [] dev; | |
1032 | ||
1033 | } // if( nTsteps > 2 ) | |
1034 | on = kFALSE; | |
1035 | } // if( on == kTRUE ) | |
1036 | } // else | |
1037 | } | |
1038 | } | |
1039 | ||
1040 | for( Int_t a=0; a<fNofMaps; a++ ) | |
1041 | for( Int_t t=0; t<fMaxNofSamples; t++ ) { | |
1042 | Float_t signal = fHitMap2->GetSignal( a, t ) + ctk[a*fMaxNofSamples+t]; | |
1043 | fHitMap2->SetHit( a, t, signal ); | |
1044 | } | |
1045 | ||
1046 | delete [] ctk; | |
1047 | } | |
8a33ae9e | 1048 | //______________________________________________________________________ |
b0f5e3fc | 1049 | void AliITSsimulationSDD::GetAnodeBaseline(Int_t i,Float_t &baseline, |
1050 | Float_t &noise){ | |
8a33ae9e | 1051 | // Returns the Baseline for a particular anode. |
1052 | baseline = fBaseline[i]; | |
1053 | noise = fNoise[i]; | |
b0f5e3fc | 1054 | } |
8a33ae9e | 1055 | //______________________________________________________________________ |
b0f5e3fc | 1056 | void AliITSsimulationSDD::CompressionParam(Int_t i,Int_t &db,Int_t &tl, |
1057 | Int_t &th){ | |
8a33ae9e | 1058 | // Returns the compression alogirthm parameters |
1059 | Int_t size = fD.GetSize(); | |
1060 | if (size > 2 ) { | |
50d05d7b | 1061 | db=fD[i]; tl=fT1[i]; th=fT2[i]; |
8a33ae9e | 1062 | } else { |
50d05d7b | 1063 | if (size <= 2 && i>=fNofMaps/2) { |
1064 | db=fD[1]; tl=fT1[1]; th=fT2[1]; | |
1065 | } else { | |
1066 | db=fD[0]; tl=fT1[0]; th=fT2[0]; | |
1067 | } // end if size <=2 && i>=fNofMaps/2 | |
8a33ae9e | 1068 | } // end if size >2 |
b0f5e3fc | 1069 | } |
8a33ae9e | 1070 | //______________________________________________________________________ |
b0f5e3fc | 1071 | void AliITSsimulationSDD::CompressionParam(Int_t i,Int_t &db,Int_t &tl){ |
8a33ae9e | 1072 | // returns the compression alogirthm parameters |
1073 | Int_t size = fD.GetSize(); | |
b0f5e3fc | 1074 | |
8a33ae9e | 1075 | if (size > 2 ) { |
50d05d7b | 1076 | db=fD[i]; tl=fT1[i]; |
8a33ae9e | 1077 | } else { |
50d05d7b | 1078 | if (size <= 2 && i>=fNofMaps/2) { |
1079 | db=fD[1]; tl=fT1[1]; | |
1080 | } else { | |
1081 | db=fD[0]; tl=fT1[0]; | |
1082 | } // end if size <=2 && i>=fNofMaps/2 | |
8a33ae9e | 1083 | } // end if size > 2 |
b0f5e3fc | 1084 | } |
8a33ae9e | 1085 | //______________________________________________________________________ |
b0f5e3fc | 1086 | void AliITSsimulationSDD::SetCompressParam(){ |
8a33ae9e | 1087 | // Sets the compression alogirthm parameters |
1088 | Int_t cp[8],i; | |
1089 | ||
1090 | fResponse->GiveCompressParam(cp); | |
1091 | for (i=0; i<2; i++) { | |
50d05d7b | 1092 | fD[i] = cp[i]; |
1093 | fT1[i] = cp[i+2]; | |
1094 | fT2[i] = cp[i+4]; | |
1095 | fTol[i] = cp[i+6]; | |
8a33ae9e | 1096 | } // end for i |
b0f5e3fc | 1097 | } |
8a33ae9e | 1098 | //______________________________________________________________________ |
b0f5e3fc | 1099 | void AliITSsimulationSDD::ReadBaseline(){ |
8a33ae9e | 1100 | // read baseline and noise from file - either a .root file and in this |
1101 | // case data should be organised in a tree with one entry for each | |
1102 | // module => reading should be done accordingly | |
1103 | // or a classic file and do smth. like this: | |
1104 | // Read baselines and noise for SDD | |
b0f5e3fc | 1105 | |
1106 | Int_t na,pos; | |
1107 | Float_t bl,n; | |
e8189707 | 1108 | char input[100], base[100], param[100]; |
b0f5e3fc | 1109 | char *filtmp; |
1110 | ||
e8189707 | 1111 | fResponse->Filenames(input,base,param); |
b0f5e3fc | 1112 | fFileName=base; |
1113 | // | |
1114 | filtmp = gSystem->ExpandPathName(fFileName.Data()); | |
1115 | FILE *bline = fopen(filtmp,"r"); | |
b0f5e3fc | 1116 | na = 0; |
1117 | ||
1118 | if(bline) { | |
50d05d7b | 1119 | while(fscanf(bline,"%d %f %f",&pos, &bl, &n) != EOF) { |
1120 | if (pos != na+1) { | |
1121 | Error("ReadBaseline","Anode number not in increasing order!", | |
1122 | filtmp); | |
1123 | exit(1); | |
1124 | } // end if pos != na+1 | |
1125 | fBaseline[na]=bl; | |
1126 | fNoise[na]=n; | |
1127 | na++; | |
1128 | } // end while | |
b0f5e3fc | 1129 | } else { |
50d05d7b | 1130 | Error("ReadBaseline"," THE BASELINE FILE %s DOES NOT EXIST !",filtmp); |
1131 | exit(1); | |
b0f5e3fc | 1132 | } // end if(bline) |
8a33ae9e | 1133 | |
b0f5e3fc | 1134 | fclose(bline); |
1135 | delete [] filtmp; | |
b0f5e3fc | 1136 | } |
8a33ae9e | 1137 | //______________________________________________________________________ |
1138 | Int_t AliITSsimulationSDD::Convert10to8(Int_t signal) const { | |
1139 | // To the 10 to 8 bit lossive compression. | |
1140 | // code from Davide C. and Albert W. | |
1141 | ||
1142 | if (signal < 128) return signal; | |
1143 | if (signal < 256) return (128+((signal-128)>>1)); | |
1144 | if (signal < 512) return (192+((signal-256)>>3)); | |
1145 | if (signal < 1024) return (224+((signal-512)>>4)); | |
1146 | return 0; | |
b0f5e3fc | 1147 | } |
8a33ae9e | 1148 | //______________________________________________________________________ |
1149 | Int_t AliITSsimulationSDD::Convert8to10(Int_t signal) const { | |
1150 | // Undo the lossive 10 to 8 bit compression. | |
1151 | // code from Davide C. and Albert W. | |
1152 | if (signal < 0 || signal > 255) { | |
50d05d7b | 1153 | Warning("Convert8to10","out of range signal=%d",signal); |
1154 | return 0; | |
8a33ae9e | 1155 | } // end if signal <0 || signal >255 |
1156 | ||
1157 | if (signal < 128) return signal; | |
1158 | if (signal < 192) { | |
50d05d7b | 1159 | if (TMath::Odd(signal)) return (128+((signal-128)<<1)); |
1160 | else return (128+((signal-128)<<1)+1); | |
8a33ae9e | 1161 | } // end if signal < 192 |
1162 | if (signal < 224) { | |
50d05d7b | 1163 | if (TMath::Odd(signal)) return (256+((signal-192)<<3)+3); |
1164 | else return (256+((signal-192)<<3)+4); | |
8a33ae9e | 1165 | } // end if signal < 224 |
1166 | if (TMath::Odd(signal)) return (512+((signal-224)<<4)+7); | |
48058160 | 1167 | return (512+((signal-224)<<4)+8); |
8a33ae9e | 1168 | } |
50d05d7b | 1169 | |
1170 | /* | |
8a33ae9e | 1171 | //______________________________________________________________________ |
b0f5e3fc | 1172 | AliITSMap* AliITSsimulationSDD::HitMap(Int_t i){ |
8a33ae9e | 1173 | //Return the correct map. |
1174 | ||
b0f5e3fc | 1175 | return ((i==0)? fHitMap1 : fHitMap2); |
50d05d7b | 1176 | }*/ |
1177 | ||
8a33ae9e | 1178 | //______________________________________________________________________ |
e8189707 | 1179 | void AliITSsimulationSDD::ZeroSuppression(const char *option) { |
8a33ae9e | 1180 | // perform the zero suppresion |
1181 | ||
1182 | if (strstr(option,"2D")) { | |
50d05d7b | 1183 | //Init2D(); // activate if param change module by module |
1184 | Compress2D(); | |
8a33ae9e | 1185 | } else if (strstr(option,"1D")) { |
50d05d7b | 1186 | //Init1D(); // activate if param change module by module |
1187 | Compress1D(); | |
8a33ae9e | 1188 | } else StoreAllDigits(); |
b0f5e3fc | 1189 | } |
8a33ae9e | 1190 | //______________________________________________________________________ |
b0f5e3fc | 1191 | void AliITSsimulationSDD::Init2D(){ |
8a33ae9e | 1192 | // read in and prepare arrays: fD, fT1, fT2 |
1193 | // savemu[nanodes], savesigma[nanodes] | |
1194 | // read baseline and noise from file - either a .root file and in this | |
1195 | // case data should be organised in a tree with one entry for each | |
1196 | // module => reading should be done accordingly | |
1197 | // or a classic file and do smth. like this ( code from Davide C. and | |
1198 | // Albert W.) : | |
1199 | // Read 2D zero-suppression parameters for SDD | |
b0f5e3fc | 1200 | |
b9d0a01d | 1201 | if (!strstr(fParam.Data(),"file")) return; |
b0f5e3fc | 1202 | |
1203 | Int_t na,pos,tempTh; | |
1204 | Float_t mu,sigma; | |
8a33ae9e | 1205 | Float_t *savemu = new Float_t [fNofMaps]; |
e8189707 | 1206 | Float_t *savesigma = new Float_t [fNofMaps]; |
1207 | char input[100],basel[100],par[100]; | |
b0f5e3fc | 1208 | char *filtmp; |
b0f5e3fc | 1209 | Int_t minval = fResponse->MinVal(); |
1210 | ||
e8189707 | 1211 | fResponse->Filenames(input,basel,par); |
8a33ae9e | 1212 | fFileName = par; |
b0f5e3fc | 1213 | // |
1214 | filtmp = gSystem->ExpandPathName(fFileName.Data()); | |
1215 | FILE *param = fopen(filtmp,"r"); | |
1216 | na = 0; | |
1217 | ||
1218 | if(param) { | |
50d05d7b | 1219 | while(fscanf(param,"%d %f %f",&pos, &mu, &sigma) != EOF) { |
1220 | if (pos != na+1) { | |
1221 | Error("Init2D","Anode number not in increasing order!",filtmp); | |
1222 | exit(1); | |
1223 | } // end if pos != na+1 | |
1224 | savemu[na] = mu; | |
8a33ae9e | 1225 | savesigma[na] = sigma; |
b0f5e3fc | 1226 | if ((2.*sigma) < mu) { |
1227 | fD[na] = (Int_t)floor(mu - 2.0*sigma + 0.5); | |
1228 | mu = 2.0 * sigma; | |
50d05d7b | 1229 | } else fD[na] = 0; |
b0f5e3fc | 1230 | tempTh = (Int_t)floor(mu+2.25*sigma+0.5) - minval; |
1231 | if (tempTh < 0) tempTh=0; | |
1232 | fT1[na] = tempTh; | |
1233 | tempTh = (Int_t)floor(mu+3.0*sigma+0.5) - minval; | |
1234 | if (tempTh < 0) tempTh=0; | |
1235 | fT2[na] = tempTh; | |
1236 | na++; | |
50d05d7b | 1237 | } // end while |
b0f5e3fc | 1238 | } else { |
50d05d7b | 1239 | Error("Init2D","THE FILE %s DOES NOT EXIST !",filtmp); |
1240 | exit(1); | |
b0f5e3fc | 1241 | } // end if(param) |
8a33ae9e | 1242 | |
b0f5e3fc | 1243 | fclose(param); |
1244 | delete [] filtmp; | |
5d18fa90 | 1245 | delete [] savemu; |
e8189707 | 1246 | delete [] savesigma; |
8a33ae9e | 1247 | } |
1248 | //______________________________________________________________________ | |
b0f5e3fc | 1249 | void AliITSsimulationSDD::Compress2D(){ |
8a33ae9e | 1250 | // simple ITS cluster finder -- online zero-suppression conditions |
b0f5e3fc | 1251 | |
b0f5e3fc | 1252 | Int_t db,tl,th; |
8a33ae9e | 1253 | Int_t minval = fResponse->MinVal(); |
1254 | Bool_t write = fResponse->OutputOption(); | |
1255 | Bool_t do10to8 = fResponse->Do10to8(); | |
b0f5e3fc | 1256 | Int_t nz, nl, nh, low, i, j; |
1257 | ||
e8189707 | 1258 | for (i=0; i<fNofMaps; i++) { |
b0f5e3fc | 1259 | CompressionParam(i,db,tl,th); |
8a33ae9e | 1260 | nz = 0; |
1261 | nl = 0; | |
1262 | nh = 0; | |
1263 | low = 0; | |
50d05d7b | 1264 | for (j=0; j<fMaxNofSamples; j++) { |
1265 | Int_t signal=(Int_t)(fHitMap2->GetSignal(i,j)); | |
1266 | signal -= db; // if baseline eq. is done here | |
b0f5e3fc | 1267 | if (signal <= 0) {nz++; continue;} |
50d05d7b | 1268 | if ((signal - tl) < minval) low++; |
b0f5e3fc | 1269 | if ((signal - th) >= minval) { |
50d05d7b | 1270 | nh++; |
1271 | Bool_t cond=kTRUE; | |
1272 | FindCluster(i,j,signal,minval,cond); | |
1273 | if(cond && j && | |
1274 | ((TMath::Abs(fHitMap2->GetSignal(i,j-1))-th)>=minval)){ | |
1275 | if(do10to8) signal = Convert10to8(signal); | |
1276 | AddDigit(i,j,signal); | |
1277 | } // end if cond&&j&&() | |
1278 | } else if ((signal - tl) >= minval) nl++; | |
1279 | } // end for j loop time samples | |
1280 | if (write) TreeB()->Fill(nz,nl,nh,low,i+1); | |
8a33ae9e | 1281 | } //end for i loop anodes |
b0f5e3fc | 1282 | |
8a33ae9e | 1283 | char hname[30]; |
1284 | if (write) { | |
50d05d7b | 1285 | sprintf(hname,"TNtuple%d_%d",fModule,fEvent); |
1286 | TreeB()->Write(hname); | |
1287 | // reset tree | |
b0f5e3fc | 1288 | TreeB()->Reset(); |
8a33ae9e | 1289 | } // end if write |
1290 | } | |
1291 | //______________________________________________________________________ | |
b0f5e3fc | 1292 | void AliITSsimulationSDD::FindCluster(Int_t i,Int_t j,Int_t signal, |
ece86d9a | 1293 | Int_t minval,Bool_t &cond){ |
8a33ae9e | 1294 | // Find clusters according to the online 2D zero-suppression algorithm |
1295 | Bool_t do10to8 = fResponse->Do10to8(); | |
1296 | Bool_t high = kFALSE; | |
b0f5e3fc | 1297 | |
1298 | fHitMap2->FlagHit(i,j); | |
1299 | // | |
1300 | // check the online zero-suppression conditions | |
1301 | // | |
8a33ae9e | 1302 | const Int_t kMaxNeighbours = 4; |
b0f5e3fc | 1303 | Int_t nn; |
1304 | Int_t dbx,tlx,thx; | |
8a33ae9e | 1305 | Int_t xList[kMaxNeighbours], yList[kMaxNeighbours]; |
e8189707 | 1306 | fSegmentation->Neighbours(i,j,&nn,xList,yList); |
ece86d9a | 1307 | Int_t in,ix,iy,qns; |
e8189707 | 1308 | for (in=0; in<nn; in++) { |
50d05d7b | 1309 | ix=xList[in]; |
e8189707 | 1310 | iy=yList[in]; |
b0f5e3fc | 1311 | if (fHitMap2->TestHit(ix,iy)==kUnused) { |
50d05d7b | 1312 | CompressionParam(ix,dbx,tlx,thx); |
1313 | Int_t qn = (Int_t)(fHitMap2->GetSignal(ix,iy)); | |
1314 | qn -= dbx; // if baseline eq. is done here | |
1315 | if ((qn-tlx) < minval) { | |
1316 | fHitMap2->FlagHit(ix,iy); | |
1317 | continue; | |
1318 | } else { | |
1319 | if ((qn - thx) >= minval) high=kTRUE; | |
1320 | if (cond) { | |
1321 | if(do10to8) signal = Convert10to8(signal); | |
1322 | AddDigit(i,j,signal); | |
1323 | } // end if cond | |
1324 | if(do10to8) qns = Convert10to8(qn); | |
1325 | else qns=qn; | |
1326 | if (!high) AddDigit(ix,iy,qns); | |
1327 | cond=kFALSE; | |
1328 | if(!high) fHitMap2->FlagHit(ix,iy); | |
1329 | } // end if qn-tlx < minval | |
1330 | } // end if TestHit | |
8a33ae9e | 1331 | } // end for in loop over neighbours |
b0f5e3fc | 1332 | } |
8a33ae9e | 1333 | //______________________________________________________________________ |
b0f5e3fc | 1334 | void AliITSsimulationSDD::Init1D(){ |
8a33ae9e | 1335 | // this is just a copy-paste of input taken from 2D algo |
1336 | // Torino people should give input | |
1337 | // Read 1D zero-suppression parameters for SDD | |
b0f5e3fc | 1338 | |
b9d0a01d | 1339 | if (!strstr(fParam.Data(),"file")) return; |
b0f5e3fc | 1340 | |
1341 | Int_t na,pos,tempTh; | |
1342 | Float_t mu,sigma; | |
8a33ae9e | 1343 | Float_t *savemu = new Float_t [fNofMaps]; |
e8189707 | 1344 | Float_t *savesigma = new Float_t [fNofMaps]; |
1345 | char input[100],basel[100],par[100]; | |
b0f5e3fc | 1346 | char *filtmp; |
b0f5e3fc | 1347 | Int_t minval = fResponse->MinVal(); |
8a33ae9e | 1348 | |
e8189707 | 1349 | fResponse->Filenames(input,basel,par); |
1350 | fFileName=par; | |
b0f5e3fc | 1351 | |
1352 | // set first the disable and tol param | |
1353 | SetCompressParam(); | |
1354 | // | |
1355 | filtmp = gSystem->ExpandPathName(fFileName.Data()); | |
1356 | FILE *param = fopen(filtmp,"r"); | |
1357 | na = 0; | |
1358 | ||
1359 | if (param) { | |
50d05d7b | 1360 | fscanf(param,"%d %d %d %d ", &fT2[0], &fT2[1], &fTol[0], &fTol[1]); |
1361 | while(fscanf(param,"%d %f %f",&pos, &mu, &sigma) != EOF) { | |
1362 | if (pos != na+1) { | |
1363 | Error("Init1D","Anode number not in increasing order!",filtmp); | |
1364 | exit(1); | |
1365 | } // end if pos != na+1 | |
1366 | savemu[na]=mu; | |
1367 | savesigma[na]=sigma; | |
1368 | if ((2.*sigma) < mu) { | |
1369 | fD[na] = (Int_t)floor(mu - 2.0*sigma + 0.5); | |
1370 | mu = 2.0 * sigma; | |
1371 | } else fD[na] = 0; | |
1372 | tempTh = (Int_t)floor(mu+2.25*sigma+0.5) - minval; | |
1373 | if (tempTh < 0) tempTh=0; | |
1374 | fT1[na] = tempTh; | |
1375 | na++; | |
1376 | } // end while | |
b0f5e3fc | 1377 | } else { |
50d05d7b | 1378 | Error("Init1D","THE FILE %s DOES NOT EXIST !",filtmp); |
1379 | exit(1); | |
b0f5e3fc | 1380 | } // end if(param) |
8a33ae9e | 1381 | |
b0f5e3fc | 1382 | fclose(param); |
1383 | delete [] filtmp; | |
749bd21a | 1384 | delete [] savemu; |
e8189707 | 1385 | delete [] savesigma; |
8a33ae9e | 1386 | } |
1387 | //______________________________________________________________________ | |
b0f5e3fc | 1388 | void AliITSsimulationSDD::Compress1D(){ |
1389 | // 1D zero-suppression algorithm (from Gianluca A.) | |
8a33ae9e | 1390 | Int_t dis,tol,thres,decr,diff; |
b0f5e3fc | 1391 | UChar_t *str=fStream->Stream(); |
8a33ae9e | 1392 | Int_t counter=0; |
1393 | Bool_t do10to8=fResponse->Do10to8(); | |
1394 | Int_t last=0; | |
1395 | Int_t k,i,j; | |
ece86d9a | 1396 | |
ece86d9a | 1397 | for (k=0; k<2; k++) { |
50d05d7b | 1398 | tol = Tolerance(k); |
1399 | dis = Disable(k); | |
1400 | for (i=0; i<fNofMaps/2; i++) { | |
1401 | Bool_t firstSignal=kTRUE; | |
1402 | Int_t idx=i+k*fNofMaps/2; | |
43217ad9 | 1403 | if( !fAnodeFire[idx] ) continue; |
50d05d7b | 1404 | CompressionParam(idx,decr,thres); |
1405 | for (j=0; j<fMaxNofSamples; j++) { | |
1406 | Int_t signal=(Int_t)(fHitMap2->GetSignal(idx,j)); | |
1407 | signal -= decr; // if baseline eq. | |
1408 | if(do10to8) signal = Convert10to8(signal); | |
1409 | if (signal <= thres) { | |
1410 | signal=0; | |
1411 | diff=128; | |
1412 | last=0; | |
1413 | // write diff in the buffer for HuffT | |
1414 | str[counter]=(UChar_t)diff; | |
1415 | counter++; | |
1416 | continue; | |
1417 | } // end if signal <= thres | |
1418 | diff=signal-last; | |
1419 | if (diff > 127) diff=127; | |
1420 | if (diff < -128) diff=-128; | |
1421 | if (signal < dis) { | |
1422 | // tol has changed to 8 possible cases ? - one can write | |
1423 | // this if(TMath::Abs(diff)<tol) ... else ... | |
1424 | if(TMath::Abs(diff)<tol) diff=0; | |
1425 | // or keep it as it was before | |
ece86d9a | 1426 | AddDigit(idx,j,last+diff); |
50d05d7b | 1427 | } else { |
1428 | AddDigit(idx,j,signal); | |
1429 | } // end if singal < dis | |
1430 | diff += 128; | |
1431 | // write diff in the buffer used to compute Huffman tables | |
1432 | if (firstSignal) str[counter]=(UChar_t)signal; | |
1433 | else str[counter]=(UChar_t)diff; | |
1434 | counter++; | |
1435 | last=signal; | |
1436 | firstSignal=kFALSE; | |
1437 | } // end for j loop time samples | |
1438 | } // end for i loop anodes one half of detector | |
8a33ae9e | 1439 | } // end for k |
b0f5e3fc | 1440 | |
1441 | // check | |
1442 | fStream->CheckCount(counter); | |
1443 | ||
1444 | // open file and write out the stream of diff's | |
b0f5e3fc | 1445 | static Bool_t open=kTRUE; |
e8189707 | 1446 | static TFile *outFile; |
b0f5e3fc | 1447 | Bool_t write = fResponse->OutputOption(); |
9ad8b5dd | 1448 | TDirectory *savedir = gDirectory; |
b0f5e3fc | 1449 | |
1450 | if (write ) { | |
50d05d7b | 1451 | if(open) { |
1452 | SetFileName("stream.root"); | |
1453 | cout<<"filename "<<fFileName<<endl; | |
1454 | outFile=new TFile(fFileName,"recreate"); | |
1455 | cout<<"I have opened "<<fFileName<<" file "<<endl; | |
1456 | } // end if open | |
1457 | open = kFALSE; | |
1458 | outFile->cd(); | |
b0f5e3fc | 1459 | fStream->Write(); |
50d05d7b | 1460 | } // endif write |
b0f5e3fc | 1461 | |
8a33ae9e | 1462 | fStream->ClearStream(); |
b0f5e3fc | 1463 | |
8a33ae9e | 1464 | // back to galice.root file |
9ad8b5dd | 1465 | if(savedir) savedir->cd(); |
8a33ae9e | 1466 | } |
1467 | //______________________________________________________________________ | |
b0f5e3fc | 1468 | void AliITSsimulationSDD::StoreAllDigits(){ |
8a33ae9e | 1469 | // if non-zero-suppressed data |
1470 | Bool_t do10to8 = fResponse->Do10to8(); | |
ece86d9a | 1471 | Int_t i, j, digits[3]; |
8a33ae9e | 1472 | |
e8189707 | 1473 | for (i=0; i<fNofMaps; i++) { |
1474 | for (j=0; j<fMaxNofSamples; j++) { | |
50d05d7b | 1475 | Int_t signal=(Int_t)(fHitMap2->GetSignal(i,j)); |
1476 | if(do10to8) signal = Convert10to8(signal); | |
1477 | if(do10to8) signal = Convert8to10(signal); | |
1478 | digits[0] = i; | |
1479 | digits[1] = j; | |
1480 | digits[2] = signal; | |
1481 | fITS->AddRealDigit(1,digits); | |
1482 | } // end for j | |
8a33ae9e | 1483 | } // end for i |
b0f5e3fc | 1484 | } |
8a33ae9e | 1485 | //______________________________________________________________________ |
ece86d9a | 1486 | void AliITSsimulationSDD::CreateHistograms(Int_t scale){ |
8a33ae9e | 1487 | // Creates histograms of maps for debugging |
1488 | Int_t i; | |
ece86d9a | 1489 | |
1490 | fHis=new TObjArray(fNofMaps); | |
e8189707 | 1491 | for (i=0;i<fNofMaps;i++) { |
50d05d7b | 1492 | TString sddName("sdd_"); |
1493 | Char_t candNum[4]; | |
1494 | sprintf(candNum,"%d",i+1); | |
1495 | sddName.Append(candNum); | |
1496 | fHis->AddAt(new TH1F(sddName.Data(),"SDD maps",scale*fMaxNofSamples, | |
1497 | 0.,(Float_t) scale*fMaxNofSamples), i); | |
8a33ae9e | 1498 | } // end for i |
b0f5e3fc | 1499 | } |
8a33ae9e | 1500 | //______________________________________________________________________ |
ece86d9a | 1501 | void AliITSsimulationSDD::FillHistograms(){ |
8a33ae9e | 1502 | // fill 1D histograms from map |
1503 | ||
1504 | if (!fHis) return; | |
1505 | ||
1506 | for( Int_t i=0; i<fNofMaps; i++) { | |
50d05d7b | 1507 | TH1F *hist =(TH1F *)fHis->UncheckedAt(i); |
1508 | Int_t nsamples = hist->GetNbinsX(); | |
1509 | for( Int_t j=0; j<nsamples; j++) { | |
1510 | Double_t signal=fHitMap2->GetSignal(i,j); | |
1511 | hist->Fill((Float_t)j,signal); | |
1512 | } // end for j | |
8a33ae9e | 1513 | } // end for i |
ece86d9a | 1514 | } |
8a33ae9e | 1515 | //______________________________________________________________________ |
b0f5e3fc | 1516 | void AliITSsimulationSDD::ResetHistograms(){ |
b0f5e3fc | 1517 | // Reset histograms for this detector |
b0f5e3fc | 1518 | Int_t i; |
8a33ae9e | 1519 | |
e8189707 | 1520 | for (i=0;i<fNofMaps;i++ ) { |
50d05d7b | 1521 | if (fHis->At(i)) ((TH1F*)fHis->At(i))->Reset(); |
8a33ae9e | 1522 | } // end for i |
b0f5e3fc | 1523 | } |
8a33ae9e | 1524 | //______________________________________________________________________ |
b0f5e3fc | 1525 | TH1F *AliITSsimulationSDD::GetAnode(Int_t wing, Int_t anode) { |
8a33ae9e | 1526 | // Fills a histogram from a give anode. |
1527 | ||
1528 | if (!fHis) return 0; | |
1529 | ||
1530 | if(wing <=0 || wing > 2) { | |
50d05d7b | 1531 | Warning("GetAnode","Wrong wing number: %d",wing); |
1532 | return NULL; | |
8a33ae9e | 1533 | } // end if wing <=0 || wing >2 |
1534 | if(anode <=0 || anode > fNofMaps/2) { | |
50d05d7b | 1535 | Warning("GetAnode","Wrong anode number: %d",anode); |
1536 | return NULL; | |
8a33ae9e | 1537 | } // end if ampde <=0 || andoe > fNofMaps/2 |
1538 | ||
1539 | Int_t index = (wing-1)*fNofMaps/2 + anode-1; | |
8a33ae9e | 1540 | return (TH1F*)(fHis->At(index)); |
b0f5e3fc | 1541 | } |
8a33ae9e | 1542 | //______________________________________________________________________ |
b0f5e3fc | 1543 | void AliITSsimulationSDD::WriteToFile(TFile *hfile) { |
8a33ae9e | 1544 | // Writes the histograms to a file |
b0f5e3fc | 1545 | |
8a33ae9e | 1546 | if (!fHis) return; |
1547 | ||
1548 | hfile->cd(); | |
1549 | Int_t i; | |
8a33ae9e | 1550 | for(i=0; i<fNofMaps; i++) fHis->At(i)->Write(); //fAdcs[i]->Write(); |
1551 | return; | |
b0f5e3fc | 1552 | } |
8a33ae9e | 1553 | //______________________________________________________________________ |
ece86d9a | 1554 | Float_t AliITSsimulationSDD::GetNoise() { |
8a33ae9e | 1555 | // Returns the noise value |
1556 | //Bool_t do10to8=fResponse->Do10to8(); | |
1557 | //noise will always be in the liniar part of the signal | |
1558 | Int_t decr; | |
1559 | Int_t threshold = fT1[0]; | |
1560 | char opt1[20], opt2[20]; | |
1561 | ||
1562 | fResponse->ParamOptions(opt1,opt2); | |
1563 | fParam=opt2; | |
1564 | char *same = strstr(opt1,"same"); | |
1565 | Float_t noise,baseline; | |
1566 | if (same) { | |
50d05d7b | 1567 | fResponse->GetNoiseParam(noise,baseline); |
8a33ae9e | 1568 | } else { |
50d05d7b | 1569 | static Bool_t readfile=kTRUE; |
1570 | //read baseline and noise from file | |
1571 | if (readfile) ReadBaseline(); | |
1572 | readfile=kFALSE; | |
8a33ae9e | 1573 | } // end if same |
1574 | ||
1575 | TCanvas *c2 = (TCanvas*)gROOT->GetListOfCanvases()->FindObject("c2"); | |
1576 | if(c2) delete c2->GetPrimitive("noisehist"); | |
1577 | if(c2) delete c2->GetPrimitive("anode"); | |
1578 | else c2=new TCanvas("c2"); | |
1579 | c2->cd(); | |
1580 | c2->SetFillColor(0); | |
1581 | ||
1582 | TH1F *noisehist = new TH1F("noisehist","noise",100,0.,(float)2*threshold); | |
1583 | TH1F *anode = new TH1F("anode","Anode Projection",fMaxNofSamples,0., | |
50d05d7b | 1584 | (float)fMaxNofSamples); |
8a33ae9e | 1585 | Int_t i,k; |
1586 | for (i=0;i<fNofMaps;i++) { | |
50d05d7b | 1587 | CompressionParam(i,decr,threshold); |
1588 | if (!same) GetAnodeBaseline(i,baseline,noise); | |
1589 | anode->Reset(); | |
1590 | for (k=0;k<fMaxNofSamples;k++) { | |
1591 | Float_t signal=(Float_t)fHitMap2->GetSignal(i,k); | |
1592 | //if (signal <= (float)threshold) noisehist->Fill(signal-baseline); | |
1593 | if (signal <= (float)threshold) noisehist->Fill(signal); | |
1594 | anode->Fill((float)k,signal); | |
1595 | } // end for k | |
1596 | anode->Draw(); | |
1597 | c2->Update(); | |
8a33ae9e | 1598 | } // end for i |
1599 | TF1 *gnoise = new TF1("gnoise","gaus",0.,threshold); | |
1600 | noisehist->Fit("gnoise","RQ"); | |
1601 | noisehist->Draw(); | |
ece86d9a | 1602 | c2->Update(); |
8a33ae9e | 1603 | Float_t mnoise = gnoise->GetParameter(1); |
1604 | cout << "mnoise : " << mnoise << endl; | |
1605 | Float_t rnoise = gnoise->GetParameter(2); | |
1606 | cout << "rnoise : " << rnoise << endl; | |
1607 | delete noisehist; | |
1608 | return rnoise; | |
50d05d7b | 1609 | } |
1610 | //______________________________________________________________________ | |
1611 | void AliITSsimulationSDD::WriteSDigits(){ | |
c7a4dac0 | 1612 | // Fills the Summable digits Tree |
c7a4dac0 | 1613 | static AliITS *aliITS = (AliITS*)gAlice->GetModule("ITS"); |
1614 | ||
48058160 | 1615 | for( Int_t i=0; i<fNofMaps; i++ ) { |
43217ad9 | 1616 | if( !fAnodeFire[i] ) continue; |
48058160 | 1617 | for( Int_t j=0; j<fMaxNofSamples; j++ ) { |
1618 | Double_t sig = fHitMap2->GetSignal( i, j ); | |
1619 | if( sig > 0.2 ) { | |
1620 | Int_t jdx = j*fScaleSize; | |
1621 | Int_t index = fpList->GetHitIndex( i, j ); | |
1622 | AliITSpListItem pItemTmp2( fModule, index, 0. ); | |
1623 | // put the fScaleSize analog digits in only one | |
1624 | for( Int_t ik=0; ik<fScaleSize; ik++ ) { | |
1625 | AliITSpListItem *pItemTmp = fpList->GetpListItem( i, jdx+ik ); | |
1626 | if( pItemTmp == 0 ) continue; | |
1627 | pItemTmp2.Add( pItemTmp ); | |
1628 | } | |
1629 | pItemTmp2.AddSignalAfterElect( fModule, index, sig ); | |
1630 | pItemTmp2.AddNoise( fModule, index, fHitNoiMap2->GetSignal( i, j ) ); | |
1631 | aliITS->AddSumDigit( pItemTmp2 ); | |
1632 | } // end if (sig > 0.2) | |
1633 | } | |
1634 | } | |
c7a4dac0 | 1635 | return; |
b0f5e3fc | 1636 | } |
8a33ae9e | 1637 | //______________________________________________________________________ |
44a312c3 | 1638 | void AliITSsimulationSDD::Print() { |
8a33ae9e | 1639 | // Print SDD simulation Parameters |
1640 | ||
1641 | cout << "**************************************************" << endl; | |
1642 | cout << " Silicon Drift Detector Simulation Parameters " << endl; | |
1643 | cout << "**************************************************" << endl; | |
1644 | cout << "Flag for Perpendicular tracks: " << (Int_t) fFlag << endl; | |
1645 | cout << "Flag for noise checking: " << (Int_t) fCheckNoise << endl; | |
1646 | cout << "Flag to switch off electronics: " << (Int_t) fDoFFT << endl; | |
1647 | cout << "Number pf Anodes used: " << fNofMaps << endl; | |
1648 | cout << "Number of Time Samples: " << fMaxNofSamples << endl; | |
1649 | cout << "Scale size factor: " << fScaleSize << endl; | |
1650 | cout << "**************************************************" << endl; | |
44a312c3 | 1651 | } |