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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 | **************************************************************************/ | |
15 | ||
b0f5e3fc | 16 | #include <iostream.h> |
17 | #include <stdlib.h> | |
18 | #include <stdio.h> | |
1ca7869b | 19 | #include <string.h> |
20 | ||
94de3818 | 21 | #include <TSystem.h> |
22 | #include <TROOT.h> | |
608f25d8 | 23 | #include <TStopwatch.h> |
ece86d9a | 24 | #include <TCanvas.h> |
25 | #include <TF1.h> | |
26 | #include <TRandom.h> | |
1ca7869b | 27 | #include <TH1.h> |
28 | #include <TFile.h> | |
29 | #include <TVector.h> | |
30 | #include <TArrayI.h> | |
31 | #include <TArrayF.h> | |
ece86d9a | 32 | |
b0f5e3fc | 33 | #include "AliRun.h" |
e8189707 | 34 | #include "AliITS.h" |
ece86d9a | 35 | #include "AliITShit.h" |
36 | #include "AliITSdigit.h" | |
37 | #include "AliITSmodule.h" | |
c7a4dac0 | 38 | #include "AliITSpList.h" |
e8189707 | 39 | #include "AliITSMapA1.h" |
40 | #include "AliITSMapA2.h" | |
e8189707 | 41 | #include "AliITSetfSDD.h" |
42 | #include "AliITSRawData.h" | |
b0f5e3fc | 43 | #include "AliITSHuffman.h" |
ece86d9a | 44 | #include "AliITSsegmentation.h" |
45 | #include "AliITSresponse.h" | |
c7a4dac0 | 46 | #include "AliITSsegmentationSDD.h" |
47 | #include "AliITSresponseSDD.h" | |
1ca7869b | 48 | #include "AliITSsimulationSDD.h" |
b0f5e3fc | 49 | |
b0f5e3fc | 50 | ClassImp(AliITSsimulationSDD) |
51 | //////////////////////////////////////////////////////////////////////// | |
52 | // Version: 0 | |
53 | // Written by Piergiorgio Cerello | |
54 | // November 23 1999 | |
55 | // | |
56 | // AliITSsimulationSDD is the simulation of SDDs. | |
57 | // | |
58 | //Begin_Html | |
59 | /* | |
60 | <img src="picts/ITS/AliITShit_Class_Diagram.gif"> | |
61 | </pre> | |
62 | <br clear=left> | |
63 | <font size=+2 color=red> | |
64 | <p>This show the relasionships between the ITS hit class and the rest of Aliroot. | |
65 | </font> | |
66 | <pre> | |
67 | */ | |
68 | //End_Html | |
8a33ae9e | 69 | //______________________________________________________________________ |
b0f5e3fc | 70 | Int_t power(Int_t b, Int_t e) { |
8a33ae9e | 71 | // compute b to the e power, where both b and e are Int_ts. |
72 | Int_t power = 1,i; | |
b0f5e3fc | 73 | |
8a33ae9e | 74 | for(i=0; i<e; i++) power *= b; |
75 | return power; | |
76 | } | |
77 | //______________________________________________________________________ | |
b0f5e3fc | 78 | void FastFourierTransform(AliITSetfSDD *alisddetf,Double_t *real, |
79 | Double_t *imag,Int_t direction) { | |
8a33ae9e | 80 | // Do a Fast Fourier Transform |
8a33ae9e | 81 | |
82 | Int_t samples = alisddetf->GetSamples(); | |
83 | Int_t l = (Int_t) ((log((Float_t) samples)/log(2.))+0.5); | |
84 | Int_t m1 = samples; | |
85 | Int_t m = samples/2; | |
86 | Int_t m2 = samples/m1; | |
87 | Int_t i,j,k; | |
88 | for(i=1; i<=l; i++) { | |
89 | for(j=0; j<samples; j += m1) { | |
90 | Int_t p = 0; | |
91 | for(k=j; k<= j+m-1; k++) { | |
92 | Double_t wsr = alisddetf->GetWeightReal(p); | |
93 | Double_t wsi = alisddetf->GetWeightImag(p); | |
94 | if(direction == -1) wsi = -wsi; | |
95 | Double_t xr = *(real+k+m); | |
96 | Double_t xi = *(imag+k+m); | |
97 | *(real+k+m) = wsr*(*(real+k)-xr) - wsi*(*(imag+k)-xi); | |
98 | *(imag+k+m) = wsr*(*(imag+k)-xi) + wsi*(*(real+k)-xr); | |
99 | *(real+k) += xr; | |
100 | *(imag+k) += xi; | |
101 | p += m2; | |
102 | } // end for k | |
103 | } // end for j | |
104 | m1 = m; | |
105 | m /= 2; | |
106 | m2 += m2; | |
107 | } // end for i | |
b0f5e3fc | 108 | |
8a33ae9e | 109 | for(j=0; j<samples; j++) { |
110 | Int_t j1 = j; | |
111 | Int_t p = 0; | |
112 | Int_t i1; | |
113 | for(i1=1; i1<=l; i1++) { | |
114 | Int_t j2 = j1; | |
115 | j1 /= 2; | |
116 | p = p + p + j2 - j1 - j1; | |
117 | } // end for i1 | |
118 | if(p >= j) { | |
119 | Double_t xr = *(real+j); | |
120 | Double_t xi = *(imag+j); | |
121 | *(real+j) = *(real+p); | |
122 | *(imag+j) = *(imag+p); | |
123 | *(real+p) = xr; | |
124 | *(imag+p) = xi; | |
125 | } // end if p>=j | |
126 | } // end for j | |
127 | if(direction == -1) { | |
128 | for(i=0; i<samples; i++) { | |
129 | *(real+i) /= samples; | |
130 | *(imag+i) /= samples; | |
131 | } // end for i | |
132 | } // end if direction == -1 | |
b0f5e3fc | 133 | return; |
134 | } | |
8a33ae9e | 135 | //______________________________________________________________________ |
b0f5e3fc | 136 | AliITSsimulationSDD::AliITSsimulationSDD(){ |
8a33ae9e | 137 | // Default constructor |
138 | ||
139 | fResponse = 0; | |
140 | fSegmentation = 0; | |
141 | fHis = 0; | |
142 | fHitMap1 = 0; | |
143 | fHitMap2 = 0; | |
144 | fElectronics = 0; | |
145 | fStream = 0; | |
146 | fInZR = 0; | |
147 | fInZI = 0; | |
148 | fOutZR = 0; | |
149 | fOutZI = 0; | |
150 | fNofMaps = 0; | |
151 | fMaxNofSamples = 0; | |
152 | fITS = 0; | |
8604b270 | 153 | fTreeB = 0; |
8a33ae9e | 154 | SetScaleFourier(); |
155 | SetPerpendTracksFlag(); | |
156 | SetDoFFT(); | |
157 | SetCheckNoise(); | |
b0f5e3fc | 158 | } |
8a33ae9e | 159 | //______________________________________________________________________ |
160 | AliITSsimulationSDD::AliITSsimulationSDD(AliITSsimulationSDD &source){ | |
161 | // Copy constructor to satify Coding roules only. | |
162 | ||
163 | if(this==&source) return; | |
c7a4dac0 | 164 | Error("AliITSsimulationSSD","Not allowed to make a copy of " |
165 | "AliITSsimulationSDD Using default creater instead"); | |
8a33ae9e | 166 | AliITSsimulationSDD(); |
b0f5e3fc | 167 | } |
8a33ae9e | 168 | //______________________________________________________________________ |
c7a4dac0 | 169 | AliITSsimulationSDD& AliITSsimulationSDD::operator=(AliITSsimulationSDD &src){ |
8a33ae9e | 170 | // Assignment operator to satify Coding roules only. |
171 | ||
c7a4dac0 | 172 | if(this==&src) return *this; |
173 | Error("AliITSsimulationSSD","Not allowed to make a = with " | |
174 | "AliITSsimulationSDD Using default creater instead"); | |
8a33ae9e | 175 | return *this ; |
b0f5e3fc | 176 | } |
8a33ae9e | 177 | //______________________________________________________________________ |
c7a4dac0 | 178 | AliITSsimulationSDD::AliITSsimulationSDD(AliITSsegmentation *seg, |
179 | AliITSresponse *resp){ | |
180 | // Standard Constructor | |
181 | ||
182 | ||
183 | fResponse = 0; | |
184 | fSegmentation = 0; | |
185 | fHis = 0; | |
186 | fHitMap1 = 0; | |
187 | fHitMap2 = 0; | |
188 | fElectronics = 0; | |
189 | fStream = 0; | |
190 | fInZR = 0; | |
191 | fInZI = 0; | |
192 | fOutZR = 0; | |
193 | fOutZI = 0; | |
194 | fNofMaps = 0; | |
195 | fMaxNofSamples = 0; | |
196 | fITS = 0; | |
197 | fTreeB = 0; | |
198 | ||
199 | Init((AliITSsegmentationSDD*)seg,(AliITSresponseSDD*)resp); | |
200 | } | |
201 | //______________________________________________________________________ | |
202 | void AliITSsimulationSDD::Init(AliITSsegmentationSDD *seg, | |
203 | AliITSresponseSDD *resp){ | |
38867c90 | 204 | // Standard Constructor |
ece86d9a | 205 | |
38867c90 | 206 | fResponse = resp; |
207 | fSegmentation = seg; | |
208 | SetScaleFourier(); | |
209 | SetPerpendTracksFlag(); | |
210 | SetDoFFT(); | |
211 | SetCheckNoise(); | |
b0f5e3fc | 212 | |
38867c90 | 213 | fHitMap2 = new AliITSMapA2(fSegmentation,fScaleSize,1); |
214 | fHitMap1 = new AliITSMapA1(fSegmentation); | |
b0f5e3fc | 215 | |
8a33ae9e | 216 | fNofMaps = fSegmentation->Npz(); |
217 | fMaxNofSamples = fSegmentation->Npx(); | |
218 | ||
38867c90 | 219 | Float_t sddLength = fSegmentation->Dx(); |
8a33ae9e | 220 | Float_t sddWidth = fSegmentation->Dz(); |
b0f5e3fc | 221 | |
8a33ae9e | 222 | Int_t dummy = 0; |
38867c90 | 223 | Float_t anodePitch = fSegmentation->Dpz(dummy); |
8a33ae9e | 224 | Double_t timeStep = (Double_t)fSegmentation->Dpx(dummy); |
225 | Float_t driftSpeed = fResponse->DriftSpeed(); | |
b0f5e3fc | 226 | |
38867c90 | 227 | if(anodePitch*(fNofMaps/2) > sddWidth) { |
228 | Warning("AliITSsimulationSDD", | |
229 | "Too many anodes %d or too big pitch %f \n", | |
230 | fNofMaps/2,anodePitch); | |
231 | } // end if | |
b0f5e3fc | 232 | |
38867c90 | 233 | if(timeStep*fMaxNofSamples < sddLength/driftSpeed) { |
234 | Error("AliITSsimulationSDD", | |
235 | "Time Interval > Allowed Time Interval: exit\n"); | |
236 | return; | |
237 | } // end if | |
b0f5e3fc | 238 | |
38867c90 | 239 | fElectronics = new AliITSetfSDD(timeStep/fScaleSize, |
240 | fResponse->Electronics()); | |
b0f5e3fc | 241 | |
38867c90 | 242 | char opt1[20], opt2[20]; |
243 | fResponse->ParamOptions(opt1,opt2); | |
8a33ae9e | 244 | fParam = opt2; |
38867c90 | 245 | char *same = strstr(opt1,"same"); |
246 | if (same) { | |
247 | fNoise.Set(0); | |
248 | fBaseline.Set(0); | |
249 | } else { | |
250 | fNoise.Set(fNofMaps); | |
251 | fBaseline.Set(fNofMaps); | |
252 | } // end if | |
b0f5e3fc | 253 | |
38867c90 | 254 | const char *kopt=fResponse->ZeroSuppOption(); |
255 | if (strstr(fParam,"file") ) { | |
256 | fD.Set(fNofMaps); | |
257 | fT1.Set(fNofMaps); | |
258 | if (strstr(kopt,"2D")) { | |
b0f5e3fc | 259 | fT2.Set(fNofMaps); |
260 | fTol.Set(0); | |
261 | Init2D(); // desactivate if param change module by module | |
38867c90 | 262 | } else if(strstr(kopt,"1D")) { |
b0f5e3fc | 263 | fT2.Set(2); |
264 | fTol.Set(2); | |
265 | Init1D(); // desactivate if param change module by module | |
38867c90 | 266 | } // end if strstr |
267 | } else { | |
268 | fD.Set(2); | |
269 | fTol.Set(2); | |
270 | fT1.Set(2); | |
271 | fT2.Set(2); | |
272 | SetCompressParam(); | |
273 | } // end if else strstr | |
b0f5e3fc | 274 | |
8a33ae9e | 275 | Bool_t write = fResponse->OutputOption(); |
38867c90 | 276 | if(write && strstr(kopt,"2D")) MakeTreeB(); |
b0f5e3fc | 277 | |
38867c90 | 278 | // call here if baseline does not change by module |
279 | // ReadBaseline(); | |
b0f5e3fc | 280 | |
8a33ae9e | 281 | fITS = (AliITS*)gAlice->GetModule("ITS"); |
282 | Int_t size = fNofMaps*fMaxNofSamples; | |
283 | fStream = new AliITSInStream(size); | |
b0f5e3fc | 284 | |
38867c90 | 285 | fInZR = new Double_t [fScaleSize*fMaxNofSamples]; |
286 | fInZI = new Double_t [fScaleSize*fMaxNofSamples]; | |
287 | fOutZR = new Double_t [fScaleSize*fMaxNofSamples]; | |
288 | fOutZI = new Double_t [fScaleSize*fMaxNofSamples]; | |
5d18fa90 | 289 | |
b0f5e3fc | 290 | } |
8a33ae9e | 291 | //______________________________________________________________________ |
b0f5e3fc | 292 | AliITSsimulationSDD::~AliITSsimulationSDD() { |
8a33ae9e | 293 | // destructor |
294 | ||
295 | delete fHitMap1; | |
296 | delete fHitMap2; | |
297 | delete fStream; | |
298 | delete fElectronics; | |
299 | ||
8a33ae9e | 300 | fITS = 0; |
301 | ||
302 | if (fHis) { | |
303 | fHis->Delete(); | |
304 | delete fHis; | |
305 | } // end if fHis | |
306 | if(fTreeB) delete fTreeB; | |
307 | if(fInZR) delete [] fInZR; | |
308 | if(fInZI) delete [] fInZI; | |
309 | if(fOutZR) delete [] fOutZR; | |
310 | if(fOutZI) delete [] fOutZI; | |
b0f5e3fc | 311 | } |
8a33ae9e | 312 | //______________________________________________________________________ |
c7a4dac0 | 313 | void AliITSsimulationSDD::SDigitiseModule(AliITSmodule *mod,Int_t md,Int_t ev){ |
314 | // create maps to build the lists of tracks for each summable digit | |
315 | ||
316 | TObjArray *fHits = mod->GetHits(); | |
317 | Int_t nhits = fHits->GetEntriesFast(); | |
318 | fModule = md; | |
319 | fEvent = ev; | |
320 | ||
321 | if(!nhits) return; | |
322 | ||
323 | AliITSpList *pList = new AliITSpList(2*fSegmentation->Npz(), | |
324 | fScaleSize*fSegmentation->Npx()); | |
325 | ||
326 | // inputs to ListOfFiredCells. | |
327 | TObjArray *alist = new TObjArray(); | |
328 | fHitMap1->SetArray(alist); | |
329 | static TClonesArray *padr = 0; | |
330 | if(!padr) padr = new TClonesArray("TVector",1000); | |
331 | ||
332 | HitsToAnalogDigits(mod,alist,padr,pList); | |
333 | ||
334 | WriteSDigits(pList); | |
335 | ||
336 | // clean memory | |
2fa318ee | 337 | delete pList; |
c7a4dac0 | 338 | alist->Delete(); |
339 | delete alist; | |
340 | padr->Delete(); | |
341 | fHitMap1->ClearMap(); | |
342 | fHitMap2->ClearMap(); | |
343 | } | |
344 | //______________________________________________________________________ | |
b0f5e3fc | 345 | void AliITSsimulationSDD::DigitiseModule(AliITSmodule *mod,Int_t md,Int_t ev){ |
8a33ae9e | 346 | // create maps to build the lists of tracks for each digit |
b0f5e3fc | 347 | |
348 | TObjArray *fHits = mod->GetHits(); | |
8a33ae9e | 349 | Int_t nhits = fHits->GetEntriesFast(); |
350 | fModule = md; | |
351 | fEvent = ev; | |
352 | ||
ece86d9a | 353 | if (!nhits && fCheckNoise) { |
354 | ChargeToSignal(); | |
355 | GetNoise(); | |
356 | fHitMap2->ClearMap(); | |
357 | return; | |
358 | } else if (!nhits) return; | |
359 | ||
c7a4dac0 | 360 | AliITSpList *pList = new AliITSpList(2*fSegmentation->Npz(), |
361 | fScaleSize*fSegmentation->Npx()); | |
362 | ||
363 | // inputs to ListOfFiredCells. | |
364 | TObjArray *alist = new TObjArray(); | |
365 | fHitMap1->SetArray(alist); | |
366 | static TClonesArray *padr = 0; | |
367 | if(!padr) padr = new TClonesArray("TVector",1000); | |
368 | ||
369 | HitsToAnalogDigits(mod,alist,padr,pList); | |
370 | ||
371 | FinishDigits(alist); | |
372 | ||
373 | // clean memory | |
2fa318ee | 374 | delete pList; |
c7a4dac0 | 375 | alist->Delete(); |
376 | delete alist; | |
377 | padr->Delete(); | |
378 | fHitMap1->ClearMap(); | |
379 | fHitMap2->ClearMap(); | |
380 | } | |
381 | //______________________________________________________________________ | |
382 | void AliITSsimulationSDD::SDigitsToDigits(AliITSpList *pList){ | |
383 | // Take Summable digits and create Digits. | |
384 | ||
8a33ae9e | 385 | // inputs to ListOfFiredCells. |
c7a4dac0 | 386 | TObjArray *alist = new TObjArray(); |
8a33ae9e | 387 | fHitMap1->SetArray(alist); |
388 | static TClonesArray *padr = 0; | |
389 | if(!padr) padr = new TClonesArray("TVector",1000); | |
c7a4dac0 | 390 | Int_t arg[6] = {0,0,0,0,0,0}; |
391 | Double_t timeAmplitude; | |
392 | Int_t i,j; | |
393 | ||
394 | // Fill maps from pList. | |
395 | for(i=0;i<pList->GetMaxIndex();i++){ | |
396 | pList->GetMapIndex(i,arg[0],arg[1]); | |
397 | for(j=0;j<pList->GetNEnteries();j++){ | |
398 | timeAmplitude = pList->GetTSignal(arg[0],arg[1],j); | |
399 | if(timeAmplitude>0.0) continue; | |
400 | arg[2] = pList->GetTrack(arg[0],arg[1],j); | |
401 | arg[3] = pList->GetHit(arg[0],arg[1],j); | |
402 | ListOfFiredCells(arg,timeAmplitude,alist,padr); | |
403 | } // end for j | |
404 | // Make sure map has full signal in it. | |
405 | fHitMap2->SetHit(arg[0],arg[1],pList->GetSignal(arg[0],arg[1])); | |
406 | } // end for i | |
407 | ||
408 | FinishDigits(alist); | |
409 | ||
410 | // clean memory | |
411 | alist->Delete(); | |
412 | delete alist; | |
413 | padr->Delete(); | |
414 | fHitMap1->ClearMap(); | |
415 | fHitMap2->ClearMap(); | |
416 | } | |
417 | //______________________________________________________________________ | |
418 | void AliITSsimulationSDD::FinishDigits(TObjArray *alist){ | |
419 | // introduce the electronics effects and do zero-suppression if required | |
420 | Int_t nentries=alist->GetEntriesFast(); | |
8a33ae9e | 421 | |
c7a4dac0 | 422 | if(!nentries) return; |
423 | ChargeToSignal(); | |
424 | const char *kopt=fResponse->ZeroSuppOption(); | |
425 | ZeroSuppression(kopt); | |
426 | } | |
427 | //______________________________________________________________________ | |
428 | void AliITSsimulationSDD::HitsToAnalogDigits(AliITSmodule *mod,TObjArray *alst, | |
429 | TClonesArray *padr, | |
430 | AliITSpList *pList){ | |
431 | // create maps to build the lists of tracks for each digit | |
432 | ||
433 | TObjArray *fHits = mod->GetHits(); | |
434 | Int_t nhits = fHits->GetEntriesFast(); | |
435 | Int_t arg[6] = {0,0,0,0,0,0}; | |
8a33ae9e | 436 | Int_t dummy = 0; |
437 | Int_t nofAnodes = fNofMaps/2; | |
438 | Float_t sddLength = fSegmentation->Dx(); | |
439 | Float_t sddWidth = fSegmentation->Dz(); | |
440 | Float_t anodePitch = fSegmentation->Dpz(dummy); | |
441 | Float_t timeStep = fSegmentation->Dpx(dummy); | |
442 | Float_t driftSpeed = fResponse->DriftSpeed(); | |
443 | Float_t maxadc = fResponse->MaxAdc(); | |
444 | Float_t topValue = fResponse->DynamicRange(); | |
445 | Float_t cHloss = fResponse->ChargeLoss(); | |
446 | Float_t norm = maxadc/topValue; | |
447 | Float_t dfCoeff, s1; fResponse->DiffCoeff(dfCoeff,s1); // Signal 2d Shape | |
448 | Double_t eVpairs = 3.6; // electron pair energy eV. | |
449 | Float_t nsigma = fResponse->NSigmaIntegration(); // | |
450 | Int_t nlookups = fResponse->GausNLookUp(); // | |
44a312c3 | 451 | |
b0f5e3fc | 452 | // Piergiorgio's part (apart for few variables which I made float |
453 | // when i thought that can be done | |
b0f5e3fc | 454 | // Fill detector maps with GEANT hits |
455 | // loop over hits in the module | |
456 | ||
8a33ae9e | 457 | const Float_t kconv = 1.0e+6; // GeV->KeV |
458 | Int_t itrack = 0; | |
459 | Int_t hitDetector; // detector number (lay,lad,hitDetector) | |
460 | Int_t iWing; // which detector wing/side. | |
461 | Int_t detector; // 2*(detector-1)+iWing | |
462 | Int_t ii,kk,ka,kt; // loop indexs | |
463 | Int_t ia,it,index; // sub-pixel integration indexies | |
464 | Int_t iAnode; // anode number. | |
465 | Int_t timeSample; // time buckett. | |
466 | Int_t anodeWindow; // anode direction charge integration width | |
467 | Int_t timeWindow; // time direction charge integration width | |
468 | Int_t jamin,jamax; // anode charge integration window | |
469 | Int_t jtmin,jtmax; // time charge integration window | |
470 | Int_t ndiv; // Anode window division factor. | |
471 | Int_t nsplit; // the number of splits in anode and time windows==1. | |
472 | Int_t nOfSplits; // number of times track length is split into | |
473 | Float_t nOfSplitsF; // Floating point version of nOfSplits. | |
474 | Float_t kkF; // Floating point version of loop index kk. | |
475 | Float_t pathInSDD; // Track length in SDD. | |
476 | Float_t drPath; // average position of track in detector. in microns | |
477 | Float_t drTime; // Drift time | |
478 | Float_t nmul; // drift time window multiplication factor. | |
479 | Float_t avDrft; // x position of path length segment in cm. | |
480 | Float_t avAnode; // Anode for path length segment in Anode number (float) | |
481 | Float_t xAnode; // Floating point anode number. | |
482 | Float_t driftPath; // avDrft in microns. | |
483 | Float_t width; // width of signal at anodes. | |
484 | Double_t depEnergy; // Energy deposited in this GEANT step. | |
485 | Double_t xL[3],dxL[3]; // local hit coordinates and diff. | |
486 | Double_t sigA; // sigma of signal at anode. | |
487 | Double_t sigT; // sigma in time/drift direction for track segment | |
488 | Double_t aStep,aConst; // sub-pixel size and offset anode | |
489 | Double_t tStep,tConst; // sub-pixel size and offset time | |
490 | Double_t amplitude; // signal amplitude for track segment in nanoAmpere | |
491 | Double_t chargeloss; // charge loss for track segment. | |
492 | Double_t anodeAmplitude; // signal amplitude in anode direction | |
493 | Double_t aExpo; // exponent of Gaussian anode direction | |
494 | Double_t timeAmplitude; // signal amplitude in time direction | |
495 | Double_t tExpo; // exponent of Gaussian time direction | |
496 | // Double_t tof; // Time of flight in ns of this step. | |
44a312c3 | 497 | |
b0f5e3fc | 498 | for(ii=0; ii<nhits; ii++) { |
8a33ae9e | 499 | if(!mod->LineSegmentL(ii,xL[0],dxL[0],xL[1],dxL[1],xL[2],dxL[2], |
500 | depEnergy,itrack)) continue; | |
501 | depEnergy *= kconv; | |
502 | hitDetector = mod->GetDet(); | |
503 | //tof = 1.E+09*(mod->GetHit(ii)->GetTOF()); // tof in ns. | |
504 | //if(tof>sddLength/driftSpeed) continue; // hit happed too late. | |
505 | ||
506 | // scale path to simulate a perpendicular track | |
507 | // continue if the particle did not lose energy | |
508 | // passing through detector | |
509 | if (!depEnergy) { | |
c7a4dac0 | 510 | Warning("HitsToAnalogDigits", |
82136bec | 511 | "fTrack = %d hit=%d module=%d This particle has" |
512 | " passed without losing energy!", | |
513 | itrack,ii,mod->GetIndex()); | |
8a33ae9e | 514 | continue; |
515 | } // end if !depEnergy | |
516 | ||
517 | pathInSDD = TMath::Sqrt(dxL[0]*dxL[0]+dxL[1]*dxL[1]+dxL[2]*dxL[2]); | |
518 | ||
519 | if (fFlag && pathInSDD) { depEnergy *= (0.03/pathInSDD); } | |
520 | drPath = 10000.*(dxL[0]+2.*xL[0])*0.5; | |
521 | if(drPath < 0) drPath = -drPath; | |
522 | drPath = sddLength-drPath; | |
523 | if(drPath < 0) { | |
82136bec | 524 | Warning("HitsToAnalogDigits", |
525 | "negative drift path drPath=%e sddLength=%e dxL[0]=%e " | |
526 | "xL[0]=%e", | |
527 | drPath,sddLength,dxL[0],xL[0]); | |
8a33ae9e | 528 | continue; |
529 | } // end if drPath < 0 | |
530 | ||
531 | // Compute number of segments to brake step path into | |
532 | drTime = drPath/driftSpeed; // Drift Time | |
533 | sigA = TMath::Sqrt(2.*dfCoeff*drTime+s1*s1);// Sigma along the anodes | |
534 | // calcuate the number of time the path length should be split into. | |
535 | nOfSplits = (Int_t) (1. + 10000.*pathInSDD/sigA); | |
536 | if(fFlag) nOfSplits = 1; | |
537 | ||
538 | // loop over path segments, init. some variables. | |
539 | depEnergy /= nOfSplits; | |
540 | nOfSplitsF = (Float_t) nOfSplits; | |
541 | for(kk=0;kk<nOfSplits;kk++) { // loop over path segments | |
542 | kkF = (Float_t) kk + 0.5; | |
543 | avDrft = xL[0]+dxL[0]*kkF/nOfSplitsF; | |
544 | avAnode = xL[2]+dxL[2]*kkF/nOfSplitsF; | |
545 | driftPath = 10000.*avDrft; | |
546 | ||
547 | iWing = 2; // Assume wing is 2 | |
548 | if(driftPath < 0) { // if wing is not 2 it is 1. | |
549 | iWing = 1; | |
550 | driftPath = -driftPath; | |
551 | } // end if driftPath < 0 | |
552 | driftPath = sddLength-driftPath; | |
553 | detector = 2*(hitDetector-1) + iWing; | |
554 | if(driftPath < 0) { | |
82136bec | 555 | Warning("HitsToAnalogDigits","negative drift path " |
556 | "driftPath=%e sddLength=%e avDrft=%e dxL[0]=%e " | |
557 | "xL[0]=%e",driftPath,sddLength,avDrft,dxL[0],xL[0]); | |
8a33ae9e | 558 | continue; |
559 | } // end if driftPath < 0 | |
560 | ||
561 | // Drift Time | |
562 | drTime = driftPath/driftSpeed; // drift time for segment. | |
563 | timeSample = (Int_t) (fScaleSize*drTime/timeStep + 1); | |
564 | // compute time Sample including tof information. The tof only | |
565 | // effects the time of the signal is recoreded and not the | |
566 | // the defusion. | |
567 | // timeSample = (Int_t) (fScaleSize*(drTime+tof)/timeStep + 1); | |
568 | if(timeSample > fScaleSize*fMaxNofSamples) { | |
c7a4dac0 | 569 | Warning("HItsToAnalogDigits","Wrong Time Sample: %e", |
570 | timeSample); | |
8a33ae9e | 571 | continue; |
572 | } // end if timeSample > fScaleSize*fMaxNoofSamples | |
573 | ||
574 | // Anode | |
575 | xAnode = 10000.*(avAnode)/anodePitch + nofAnodes/2; // +1? | |
576 | if(xAnode*anodePitch > sddWidth || xAnode*anodePitch < 0.) | |
82136bec | 577 | Warning("HitsToAnalogDigits", |
578 | "Exceedubg sddWidth=%e Z = %e", | |
579 | sddWidth,xAnode*anodePitch); | |
8a33ae9e | 580 | iAnode = (Int_t) (1.+xAnode); // xAnode? |
581 | if(iAnode < 1 || iAnode > nofAnodes) { | |
82136bec | 582 | Warning("HitToAnalogDigits","Wrong iAnode: 1<%d>%d", |
583 | iAnode,nofAnodes); | |
8a33ae9e | 584 | continue; |
585 | } // end if iAnode < 1 || iAnode > nofAnodes | |
586 | ||
587 | // store straight away the particle position in the array | |
588 | // of particles and take idhit=ii only when part is entering (this | |
589 | // requires FillModules() in the macro for analysis) : | |
b0f5e3fc | 590 | |
8a33ae9e | 591 | // Sigma along the anodes for track segment. |
592 | sigA = TMath::Sqrt(2.*dfCoeff*drTime+s1*s1); | |
593 | sigT = sigA/driftSpeed; | |
594 | // Peak amplitude in nanoAmpere | |
595 | amplitude = fScaleSize*160.*depEnergy/ | |
596 | (timeStep*eVpairs*2.*acos(-1.)*sigT*sigA); | |
597 | amplitude *= timeStep/25.; // WARNING!!!!! Amplitude scaling to | |
598 | // account for clock variations | |
599 | // (reference value: 40 MHz) | |
600 | chargeloss = 1.-cHloss*driftPath/1000; | |
601 | amplitude *= chargeloss; | |
602 | width = 2.*nsigma/(nlookups-1); | |
603 | // Spread the charge | |
604 | // Pixel index | |
605 | ndiv = 2; | |
606 | nmul = 3.; | |
607 | if(drTime > 1200.) { | |
608 | ndiv = 4; | |
609 | nmul = 1.5; | |
610 | } // end if drTime > 1200. | |
611 | // Sub-pixel index | |
612 | nsplit = 4; // hard-wired //nsplit=4;nsplit = (nsplit+1)/2*2; | |
613 | // Sub-pixel size see computation of aExpo and tExpo. | |
614 | aStep = anodePitch/(nsplit*fScaleSize*sigA); | |
615 | aConst = xAnode*anodePitch/sigA; | |
616 | tStep = timeStep/(nsplit*fScaleSize*sigT); | |
617 | tConst = drTime/sigT; | |
618 | // Define SDD window corresponding to the hit | |
619 | anodeWindow = (Int_t)(fScaleSize*nsigma*sigA/anodePitch+1); | |
620 | timeWindow = (Int_t) (fScaleSize*nsigma*sigT/timeStep+1.); | |
621 | jamin = (iAnode - anodeWindow/ndiv - 1)*fScaleSize*nsplit +1; | |
622 | jamax = (iAnode + anodeWindow/ndiv)*fScaleSize*nsplit; | |
623 | if(jamin <= 0) jamin = 1; | |
624 | if(jamax > fScaleSize*nofAnodes*nsplit) | |
625 | jamax = fScaleSize*nofAnodes*nsplit; | |
626 | // jtmin and jtmax are Hard-wired | |
627 | jtmin = (Int_t)(timeSample-timeWindow*nmul-1)*nsplit+1; | |
628 | jtmax = (Int_t)(timeSample+timeWindow*nmul)*nsplit; | |
629 | if(jtmin <= 0) jtmin = 1; | |
630 | if(jtmax > fScaleSize*fMaxNofSamples*nsplit) | |
631 | jtmax = fScaleSize*fMaxNofSamples*nsplit; | |
632 | // Spread the charge in the anode-time window | |
633 | for(ka=jamin; ka <=jamax; ka++) { | |
634 | ia = (ka-1)/(fScaleSize*nsplit) + 1; | |
c7a4dac0 | 635 | if(ia <= 0) { |
636 | Warning("HitsToAnalogDigits","ia < 1: "); | |
637 | continue; | |
638 | } // end if | |
8a33ae9e | 639 | if(ia > nofAnodes) ia = nofAnodes; |
640 | aExpo = (aStep*(ka-0.5)-aConst); | |
641 | if(TMath::Abs(aExpo) > nsigma) anodeAmplitude = 0.; | |
642 | else { | |
643 | dummy = (Int_t) ((aExpo+nsigma)/width); | |
644 | anodeAmplitude = amplitude*fResponse->GausLookUp(dummy); | |
645 | } // end if TMath::Abs(aEspo) > nsigma | |
646 | // index starts from 0 | |
647 | index = ((detector+1)%2)*nofAnodes+ia-1; | |
648 | if(anodeAmplitude) for(kt=jtmin; kt<=jtmax; kt++) { | |
649 | it = (kt-1)/nsplit+1; // it starts from 1 | |
c7a4dac0 | 650 | if(it<=0){ |
651 | Warning("HitsToAnalogDigits","it < 1:"); | |
652 | continue; | |
653 | } // end if | |
8a33ae9e | 654 | if(it>fScaleSize*fMaxNofSamples) |
655 | it = fScaleSize*fMaxNofSamples; | |
656 | tExpo = (tStep*(kt-0.5)-tConst); | |
657 | if(TMath::Abs(tExpo) > nsigma) timeAmplitude = 0.; | |
658 | else { | |
659 | dummy = (Int_t) ((tExpo+nsigma)/width); | |
660 | timeAmplitude = anodeAmplitude* | |
661 | fResponse->GausLookUp(dummy); | |
662 | } // end if TMath::Abs(tExpo) > nsigma | |
663 | // build the list of digits for this module | |
664 | arg[0] = index; | |
665 | arg[1] = it; | |
666 | arg[2] = itrack; // track number | |
667 | arg[3] = ii-1; // hit number. | |
668 | timeAmplitude *= norm; | |
669 | timeAmplitude *= 10; | |
c7a4dac0 | 670 | ListOfFiredCells(arg,timeAmplitude,alst,padr); |
671 | pList->AddSignal(index,it,itrack,ii-1, | |
672 | mod->GetIndex(),timeAmplitude); | |
8a33ae9e | 673 | } // end if anodeAmplitude and loop over time in window |
674 | } // loop over anodes in window | |
675 | } // end loop over "sub-hits" | |
44a312c3 | 676 | } // end loop over hits |
b0f5e3fc | 677 | } |
8a33ae9e | 678 | //______________________________________________________________________ |
b0f5e3fc | 679 | void AliITSsimulationSDD::ListOfFiredCells(Int_t *arg,Double_t timeAmplitude, |
8a33ae9e | 680 | TObjArray *alist,TClonesArray *padr){ |
681 | // Returns the list of "fired" cells. | |
682 | ||
683 | Int_t index = arg[0]; | |
684 | Int_t ik = arg[1]; | |
685 | Int_t idtrack = arg[2]; | |
686 | Int_t idhit = arg[3]; | |
687 | Int_t counter = arg[4]; | |
688 | Int_t countadr = arg[5]; | |
689 | Double_t charge = timeAmplitude; | |
690 | charge += fHitMap2->GetSignal(index,ik-1); | |
691 | fHitMap2->SetHit(index, ik-1, charge); | |
692 | ||
693 | Int_t digits[3]; | |
694 | Int_t it = (Int_t)((ik-1)/fScaleSize); | |
695 | digits[0] = index; | |
696 | digits[1] = it; | |
697 | digits[2] = (Int_t)timeAmplitude; | |
698 | Float_t phys; | |
699 | if (idtrack >= 0) phys = (Float_t)timeAmplitude; | |
700 | else phys = 0; | |
701 | ||
702 | Double_t cellcharge = 0.; | |
703 | AliITSTransientDigit* pdigit; | |
704 | // build the list of fired cells and update the info | |
705 | if (!fHitMap1->TestHit(index, it)) { | |
706 | new((*padr)[countadr++]) TVector(3); | |
707 | TVector &trinfo=*((TVector*) (*padr)[countadr-1]); | |
708 | trinfo(0) = (Float_t)idtrack; | |
709 | trinfo(1) = (Float_t)idhit; | |
710 | trinfo(2) = (Float_t)timeAmplitude; | |
711 | ||
712 | alist->AddAtAndExpand(new AliITSTransientDigit(phys,digits),counter); | |
713 | fHitMap1->SetHit(index, it, counter); | |
714 | counter++; | |
715 | pdigit=(AliITSTransientDigit*)alist->At(alist->GetLast()); | |
716 | // list of tracks | |
717 | TObjArray *trlist=(TObjArray*)pdigit->TrackList(); | |
718 | trlist->Add(&trinfo); | |
719 | } else { | |
720 | pdigit = (AliITSTransientDigit*) fHitMap1->GetHit(index, it); | |
721 | for(Int_t kk=0;kk<fScaleSize;kk++) { | |
722 | cellcharge += fHitMap2->GetSignal(index,fScaleSize*it+kk); | |
723 | } // end for kk | |
724 | // update charge | |
725 | (*pdigit).fSignal = (Int_t)cellcharge; | |
726 | (*pdigit).fPhysics += phys; | |
727 | // update list of tracks | |
728 | TObjArray* trlist = (TObjArray*)pdigit->TrackList(); | |
729 | Int_t lastentry = trlist->GetLast(); | |
730 | TVector *ptrkp = (TVector*)trlist->At(lastentry); | |
731 | TVector &trinfo = *ptrkp; | |
732 | Int_t lasttrack = Int_t(trinfo(0)); | |
733 | Float_t lastcharge=(trinfo(2)); | |
734 | if (lasttrack==idtrack ) { | |
735 | lastcharge += (Float_t)timeAmplitude; | |
736 | trlist->RemoveAt(lastentry); | |
737 | trinfo(0) = lasttrack; | |
738 | trinfo(1) = idhit; | |
739 | trinfo(2) = lastcharge; | |
740 | trlist->AddAt(&trinfo,lastentry); | |
741 | } else { | |
742 | new((*padr)[countadr++]) TVector(3); | |
743 | TVector &trinfo=*((TVector*) (*padr)[countadr-1]); | |
744 | trinfo(0) = (Float_t)idtrack; | |
745 | trinfo(1) = (Float_t)idhit; | |
746 | trinfo(2) = (Float_t)timeAmplitude; | |
747 | trlist->Add(&trinfo); | |
748 | } // end if lasttrack==idtrack | |
b0f5e3fc | 749 | |
750 | #ifdef print | |
8a33ae9e | 751 | // check the track list - debugging |
752 | Int_t trk[20], htrk[20]; | |
753 | Float_t chtrk[20]; | |
754 | Int_t nptracks = trlist->GetEntriesFast(); | |
755 | if (nptracks > 2) { | |
756 | Int_t tr; | |
757 | for (tr=0;tr<nptracks;tr++) { | |
758 | TVector *pptrkp = (TVector*)trlist->At(tr); | |
759 | TVector &pptrk = *pptrkp; | |
760 | trk[tr] = Int_t(pptrk(0)); | |
761 | htrk[tr] = Int_t(pptrk(1)); | |
762 | chtrk[tr] = (pptrk(2)); | |
c7a4dac0 | 763 | cout << "nptracks "<<nptracks << endl; |
8a33ae9e | 764 | } // end for tr |
765 | } // end if nptracks | |
b0f5e3fc | 766 | #endif |
8a33ae9e | 767 | } // end if pdigit |
b0f5e3fc | 768 | |
8a33ae9e | 769 | // update counter and countadr for next call. |
770 | arg[4] = counter; | |
771 | arg[5] = countadr; | |
b0f5e3fc | 772 | } |
b0f5e3fc | 773 | //____________________________________________ |
774 | ||
775 | void AliITSsimulationSDD::AddDigit(Int_t i, Int_t j, Int_t signal){ | |
8a33ae9e | 776 | // Adds a Digit. |
b0f5e3fc | 777 | // tag with -1 signals coming from background tracks |
778 | // tag with -2 signals coming from pure electronic noise | |
779 | ||
e8189707 | 780 | Int_t digits[3], tracks[3], hits[3]; |
b0f5e3fc | 781 | Float_t phys, charges[3]; |
782 | ||
e8189707 | 783 | Int_t trk[20], htrk[20]; |
b0f5e3fc | 784 | Float_t chtrk[20]; |
785 | ||
ece86d9a | 786 | Bool_t do10to8=fResponse->Do10to8(); |
787 | ||
788 | if(do10to8) signal=Convert8to10(signal); | |
b0f5e3fc | 789 | AliITSTransientDigit *obj = (AliITSTransientDigit*)fHitMap1->GetHit(i,j); |
8a33ae9e | 790 | digits[0] = i; |
791 | digits[1] = j; | |
792 | digits[2] = signal; | |
b0f5e3fc | 793 | if (!obj) { |
794 | phys=0; | |
795 | Int_t k; | |
e8189707 | 796 | for (k=0;k<3;k++) { |
8a33ae9e | 797 | tracks[k]=-2; |
798 | charges[k]=0; | |
799 | hits[k]=-1; | |
800 | } // end for k | |
e8189707 | 801 | fITS->AddSimDigit(1,phys,digits,tracks,hits,charges); |
b0f5e3fc | 802 | } else { |
8a33ae9e | 803 | phys=obj->fPhysics; |
804 | TObjArray* trlist=(TObjArray*)obj->TrackList(); | |
805 | Int_t nptracks=trlist->GetEntriesFast(); | |
806 | if (nptracks > 20) { | |
c7a4dac0 | 807 | Warning("AddDigit","nptracks=%d > 20 nptracks set to 20",nptracks); |
8a33ae9e | 808 | nptracks=20; |
809 | } // end if nptracks > 20 | |
810 | Int_t tr; | |
811 | for (tr=0;tr<nptracks;tr++) { | |
812 | TVector &pp =*((TVector*)trlist->At(tr)); | |
813 | trk[tr]=Int_t(pp(0)); | |
814 | htrk[tr]=Int_t(pp(1)); | |
815 | chtrk[tr]=(pp(2)); | |
816 | } // end for tr | |
817 | if (nptracks > 1) { | |
818 | SortTracks(trk,chtrk,htrk,nptracks); | |
819 | } // end if nptracks > 1 | |
820 | Int_t i; | |
821 | if (nptracks < 3 ) { | |
822 | for (i=0; i<nptracks; i++) { | |
823 | tracks[i]=trk[i]; | |
824 | charges[i]=chtrk[i]; | |
825 | hits[i]=htrk[i]; | |
826 | } // end for i | |
827 | for (i=nptracks; i<3; i++) { | |
828 | tracks[i]=-3; | |
829 | hits[i]=-1; | |
830 | charges[i]=0; | |
831 | } // end for i | |
832 | } else { | |
833 | for (i=0; i<3; i++) { | |
834 | tracks[i]=trk[i]; | |
835 | charges[i]=chtrk[i]; | |
836 | hits[i]=htrk[i]; | |
837 | } // end for i | |
838 | } // end if/else nptracks < 3 | |
839 | ||
840 | fITS->AddSimDigit(1,phys,digits,tracks,hits,charges); | |
b0f5e3fc | 841 | |
8a33ae9e | 842 | } // end if/else !obj |
b0f5e3fc | 843 | } |
8a33ae9e | 844 | //______________________________________________________________________ |
845 | void AliITSsimulationSDD::SortTracks(Int_t *tracks,Float_t *charges, | |
846 | Int_t *hits,Int_t ntr){ | |
847 | // Sort the list of tracks contributing to a given digit | |
848 | // Only the 3 most significant tracks are acctually sorted | |
849 | // Loop over signals, only 3 times | |
850 | ||
851 | Float_t qmax; | |
852 | Int_t jmax; | |
853 | Int_t idx[3] = {-3,-3,-3}; | |
854 | Float_t jch[3] = {-3,-3,-3}; | |
855 | Int_t jtr[3] = {-3,-3,-3}; | |
856 | Int_t jhit[3] = {-3,-3,-3}; | |
857 | Int_t i,j,imax; | |
858 | ||
859 | if (ntr<3) imax = ntr; | |
860 | else imax = 3; | |
861 | for(i=0;i<imax;i++){ | |
862 | qmax = 0; | |
863 | jmax = 0; | |
864 | for(j=0;j<ntr;j++){ | |
865 | if((i == 1 && j == idx[i-1] ) | |
866 | ||(i == 2 && (j == idx[i-1] || j == idx[i-2]))) continue; | |
867 | if(charges[j] > qmax) { | |
868 | qmax = charges[j]; | |
869 | jmax=j; | |
870 | } // end if charges[j]>qmax | |
871 | } // end for j | |
872 | if(qmax > 0) { | |
873 | idx[i] = jmax; | |
874 | jch[i] = charges[jmax]; | |
875 | jtr[i] = tracks[jmax]; | |
876 | jhit[i] = hits[jmax]; | |
877 | } // end if qmax > 0 | |
878 | } // end for i | |
879 | ||
880 | for(i=0;i<3;i++){ | |
881 | if (jtr[i] == -3) { | |
882 | charges[i] = 0; | |
883 | tracks[i] = -3; | |
884 | hits[i] = -1; | |
885 | } else { | |
886 | charges[i] = jch[i]; | |
887 | tracks[i] = jtr[i]; | |
888 | hits[i] = jhit[i]; | |
889 | } // end if jtr[i] == -3 | |
890 | } // end for i | |
b0f5e3fc | 891 | } |
8a33ae9e | 892 | //______________________________________________________________________ |
b0f5e3fc | 893 | void AliITSsimulationSDD::ChargeToSignal() { |
8a33ae9e | 894 | // add baseline, noise, electronics and ADC saturation effects |
b0f5e3fc | 895 | |
8a33ae9e | 896 | char opt1[20], opt2[20]; |
897 | fResponse->ParamOptions(opt1,opt2); | |
898 | char *read = strstr(opt1,"file"); | |
899 | Float_t baseline, noise; | |
900 | ||
901 | if (read) { | |
902 | static Bool_t readfile=kTRUE; | |
903 | //read baseline and noise from file | |
904 | if (readfile) ReadBaseline(); | |
905 | readfile=kFALSE; | |
906 | } else fResponse->GetNoiseParam(noise,baseline); | |
907 | ||
908 | Float_t contrib=0; | |
909 | Int_t i,k,kk; | |
910 | Float_t maxadc = fResponse->MaxAdc(); | |
911 | if(!fDoFFT) { | |
912 | for (i=0;i<fNofMaps;i++) { | |
913 | if (read && i<fNofMaps) GetAnodeBaseline(i,baseline,noise); | |
914 | for(k=0; k<fScaleSize*fMaxNofSamples; k++) { | |
915 | fInZR[k] = fHitMap2->GetSignal(i,k); | |
916 | contrib = (baseline + noise*gRandom->Gaus()); | |
917 | fInZR[k] += contrib; | |
918 | } // end for k | |
919 | for(k=0; k<fMaxNofSamples; k++) { | |
920 | Double_t newcont = 0.; | |
921 | Double_t maxcont = 0.; | |
922 | for(kk=0;kk<fScaleSize;kk++) { | |
923 | newcont = fInZR[fScaleSize*k+kk]; | |
924 | if(newcont > maxcont) maxcont = newcont; | |
925 | } // end for kk | |
926 | newcont = maxcont; | |
927 | if (newcont >= maxadc) newcont = maxadc -1; | |
c7a4dac0 | 928 | if(newcont >= baseline){ |
929 | Warning("","newcont=%d>=baseline=%d",newcont,baseline); | |
930 | } // end if | |
8a33ae9e | 931 | // back to analog: ? |
932 | fHitMap2->SetHit(i,k,newcont); | |
933 | } // end for k | |
934 | } // end for i loop over anodes | |
935 | return; | |
936 | } // end if DoFFT | |
ece86d9a | 937 | |
ece86d9a | 938 | for (i=0;i<fNofMaps;i++) { |
8a33ae9e | 939 | if (read && i<fNofMaps) GetAnodeBaseline(i,baseline,noise); |
940 | for(k=0; k<fScaleSize*fMaxNofSamples; k++) { | |
941 | fInZR[k] = fHitMap2->GetSignal(i,k); | |
942 | contrib = (baseline + noise*gRandom->Gaus()); | |
943 | fInZR[k] += contrib; | |
944 | fInZI[k] = 0.; | |
945 | } // end for k | |
946 | FastFourierTransform(fElectronics,&fInZR[0],&fInZI[0],1); | |
ece86d9a | 947 | for(k=0; k<fScaleSize*fMaxNofSamples; k++) { |
8a33ae9e | 948 | Double_t rw = fElectronics->GetTraFunReal(k); |
949 | Double_t iw = fElectronics->GetTraFunImag(k); | |
950 | fOutZR[k] = fInZR[k]*rw - fInZI[k]*iw; | |
951 | fOutZI[k] = fInZR[k]*iw + fInZI[k]*rw; | |
952 | } // end for k | |
953 | FastFourierTransform(fElectronics,&fOutZR[0],&fOutZI[0],-1); | |
ece86d9a | 954 | for(k=0; k<fMaxNofSamples; k++) { |
8a33ae9e | 955 | Double_t newcont1 = 0.; |
956 | Double_t maxcont1 = 0.; | |
957 | for(kk=0;kk<fScaleSize;kk++) { | |
958 | newcont1 = fOutZR[fScaleSize*k+kk]; | |
959 | if(newcont1 > maxcont1) maxcont1 = newcont1; | |
960 | } // end for kk | |
961 | newcont1 = maxcont1; | |
962 | if (newcont1 >= maxadc) newcont1 = maxadc -1; | |
963 | fHitMap2->SetHit(i,k,newcont1); | |
964 | } // end for k | |
965 | } // end for i loop over anodes | |
ece86d9a | 966 | return; |
b0f5e3fc | 967 | } |
8a33ae9e | 968 | //______________________________________________________________________ |
b0f5e3fc | 969 | void AliITSsimulationSDD::GetAnodeBaseline(Int_t i,Float_t &baseline, |
970 | Float_t &noise){ | |
8a33ae9e | 971 | // Returns the Baseline for a particular anode. |
972 | baseline = fBaseline[i]; | |
973 | noise = fNoise[i]; | |
b0f5e3fc | 974 | } |
8a33ae9e | 975 | //______________________________________________________________________ |
b0f5e3fc | 976 | void AliITSsimulationSDD::CompressionParam(Int_t i,Int_t &db,Int_t &tl, |
977 | Int_t &th){ | |
8a33ae9e | 978 | // Returns the compression alogirthm parameters |
979 | Int_t size = fD.GetSize(); | |
980 | if (size > 2 ) { | |
981 | db=fD[i]; tl=fT1[i]; th=fT2[i]; | |
982 | } else { | |
983 | if (size <= 2 && i>=fNofMaps/2) { | |
984 | db=fD[1]; tl=fT1[1]; th=fT2[1]; | |
985 | } else { | |
986 | db=fD[0]; tl=fT1[0]; th=fT2[0]; | |
987 | } // end if size <=2 && i>=fNofMaps/2 | |
988 | } // end if size >2 | |
b0f5e3fc | 989 | } |
8a33ae9e | 990 | //______________________________________________________________________ |
b0f5e3fc | 991 | void AliITSsimulationSDD::CompressionParam(Int_t i,Int_t &db,Int_t &tl){ |
8a33ae9e | 992 | // returns the compression alogirthm parameters |
993 | Int_t size = fD.GetSize(); | |
b0f5e3fc | 994 | |
8a33ae9e | 995 | if (size > 2 ) { |
996 | db=fD[i]; tl=fT1[i]; | |
997 | } else { | |
998 | if (size <= 2 && i>=fNofMaps/2) { | |
999 | db=fD[1]; tl=fT1[1]; | |
1000 | } else { | |
1001 | db=fD[0]; tl=fT1[0]; | |
1002 | } // end if size <=2 && i>=fNofMaps/2 | |
1003 | } // end if size > 2 | |
b0f5e3fc | 1004 | } |
8a33ae9e | 1005 | //______________________________________________________________________ |
b0f5e3fc | 1006 | void AliITSsimulationSDD::SetCompressParam(){ |
8a33ae9e | 1007 | // Sets the compression alogirthm parameters |
1008 | Int_t cp[8],i; | |
1009 | ||
1010 | fResponse->GiveCompressParam(cp); | |
1011 | for (i=0; i<2; i++) { | |
1012 | fD[i] = cp[i]; | |
1013 | fT1[i] = cp[i+2]; | |
1014 | fT2[i] = cp[i+4]; | |
1015 | fTol[i] = cp[i+6]; | |
8a33ae9e | 1016 | } // end for i |
b0f5e3fc | 1017 | } |
8a33ae9e | 1018 | //______________________________________________________________________ |
b0f5e3fc | 1019 | void AliITSsimulationSDD::ReadBaseline(){ |
8a33ae9e | 1020 | // read baseline and noise from file - either a .root file and in this |
1021 | // case data should be organised in a tree with one entry for each | |
1022 | // module => reading should be done accordingly | |
1023 | // or a classic file and do smth. like this: | |
1024 | // Read baselines and noise for SDD | |
b0f5e3fc | 1025 | |
1026 | Int_t na,pos; | |
1027 | Float_t bl,n; | |
e8189707 | 1028 | char input[100], base[100], param[100]; |
b0f5e3fc | 1029 | char *filtmp; |
1030 | ||
e8189707 | 1031 | fResponse->Filenames(input,base,param); |
b0f5e3fc | 1032 | fFileName=base; |
1033 | // | |
1034 | filtmp = gSystem->ExpandPathName(fFileName.Data()); | |
1035 | FILE *bline = fopen(filtmp,"r"); | |
b0f5e3fc | 1036 | na = 0; |
1037 | ||
1038 | if(bline) { | |
8a33ae9e | 1039 | while(fscanf(bline,"%d %f %f",&pos, &bl, &n) != EOF) { |
1040 | if (pos != na+1) { | |
1041 | Error("ReadBaseline","Anode number not in increasing order!", | |
1042 | filtmp); | |
1043 | exit(1); | |
1044 | } // end if pos != na+1 | |
1045 | fBaseline[na]=bl; | |
1046 | fNoise[na]=n; | |
1047 | na++; | |
1048 | } // end while | |
b0f5e3fc | 1049 | } else { |
8a33ae9e | 1050 | Error("ReadBaseline"," THE BASELINE FILE %s DOES NOT EXIST !",filtmp); |
1051 | exit(1); | |
b0f5e3fc | 1052 | } // end if(bline) |
8a33ae9e | 1053 | |
b0f5e3fc | 1054 | fclose(bline); |
1055 | delete [] filtmp; | |
b0f5e3fc | 1056 | } |
8a33ae9e | 1057 | //______________________________________________________________________ |
1058 | Int_t AliITSsimulationSDD::Convert10to8(Int_t signal) const { | |
1059 | // To the 10 to 8 bit lossive compression. | |
1060 | // code from Davide C. and Albert W. | |
1061 | ||
1062 | if (signal < 128) return signal; | |
1063 | if (signal < 256) return (128+((signal-128)>>1)); | |
1064 | if (signal < 512) return (192+((signal-256)>>3)); | |
1065 | if (signal < 1024) return (224+((signal-512)>>4)); | |
1066 | return 0; | |
b0f5e3fc | 1067 | } |
8a33ae9e | 1068 | //______________________________________________________________________ |
1069 | Int_t AliITSsimulationSDD::Convert8to10(Int_t signal) const { | |
1070 | // Undo the lossive 10 to 8 bit compression. | |
1071 | // code from Davide C. and Albert W. | |
1072 | if (signal < 0 || signal > 255) { | |
c7a4dac0 | 1073 | Warning("Convert8to10","out of range signal=%d",signal); |
8a33ae9e | 1074 | return 0; |
1075 | } // end if signal <0 || signal >255 | |
1076 | ||
1077 | if (signal < 128) return signal; | |
1078 | if (signal < 192) { | |
1079 | if (TMath::Odd(signal)) return (128+((signal-128)<<1)); | |
1080 | else return (128+((signal-128)<<1)+1); | |
1081 | } // end if signal < 192 | |
1082 | if (signal < 224) { | |
1083 | if (TMath::Odd(signal)) return (256+((signal-192)<<3)+3); | |
1084 | else return (256+((signal-192)<<3)+4); | |
1085 | } // end if signal < 224 | |
1086 | if (TMath::Odd(signal)) return (512+((signal-224)<<4)+7); | |
9226cc6a | 1087 | return (512+((signal-224)<<4)+7); |
8a33ae9e | 1088 | } |
1089 | //______________________________________________________________________ | |
b0f5e3fc | 1090 | AliITSMap* AliITSsimulationSDD::HitMap(Int_t i){ |
8a33ae9e | 1091 | //Return the correct map. |
1092 | ||
b0f5e3fc | 1093 | return ((i==0)? fHitMap1 : fHitMap2); |
1094 | } | |
8a33ae9e | 1095 | //______________________________________________________________________ |
e8189707 | 1096 | void AliITSsimulationSDD::ZeroSuppression(const char *option) { |
8a33ae9e | 1097 | // perform the zero suppresion |
1098 | ||
1099 | if (strstr(option,"2D")) { | |
1100 | //Init2D(); // activate if param change module by module | |
1101 | Compress2D(); | |
1102 | } else if (strstr(option,"1D")) { | |
1103 | //Init1D(); // activate if param change module by module | |
1104 | Compress1D(); | |
1105 | } else StoreAllDigits(); | |
b0f5e3fc | 1106 | } |
8a33ae9e | 1107 | //______________________________________________________________________ |
b0f5e3fc | 1108 | void AliITSsimulationSDD::Init2D(){ |
8a33ae9e | 1109 | // read in and prepare arrays: fD, fT1, fT2 |
1110 | // savemu[nanodes], savesigma[nanodes] | |
1111 | // read baseline and noise from file - either a .root file and in this | |
1112 | // case data should be organised in a tree with one entry for each | |
1113 | // module => reading should be done accordingly | |
1114 | // or a classic file and do smth. like this ( code from Davide C. and | |
1115 | // Albert W.) : | |
1116 | // Read 2D zero-suppression parameters for SDD | |
b0f5e3fc | 1117 | |
1118 | if (!strstr(fParam,"file")) return; | |
1119 | ||
1120 | Int_t na,pos,tempTh; | |
1121 | Float_t mu,sigma; | |
8a33ae9e | 1122 | Float_t *savemu = new Float_t [fNofMaps]; |
e8189707 | 1123 | Float_t *savesigma = new Float_t [fNofMaps]; |
1124 | char input[100],basel[100],par[100]; | |
b0f5e3fc | 1125 | char *filtmp; |
b0f5e3fc | 1126 | Int_t minval = fResponse->MinVal(); |
1127 | ||
e8189707 | 1128 | fResponse->Filenames(input,basel,par); |
8a33ae9e | 1129 | fFileName = par; |
b0f5e3fc | 1130 | // |
1131 | filtmp = gSystem->ExpandPathName(fFileName.Data()); | |
1132 | FILE *param = fopen(filtmp,"r"); | |
1133 | na = 0; | |
1134 | ||
1135 | if(param) { | |
8a33ae9e | 1136 | while(fscanf(param,"%d %f %f",&pos, &mu, &sigma) != EOF) { |
1137 | if (pos != na+1) { | |
c7a4dac0 | 1138 | Error("Init2D","Anode number not in increasing order!",filtmp); |
8a33ae9e | 1139 | exit(1); |
1140 | } // end if pos != na+1 | |
1141 | savemu[na] = mu; | |
1142 | savesigma[na] = sigma; | |
b0f5e3fc | 1143 | if ((2.*sigma) < mu) { |
1144 | fD[na] = (Int_t)floor(mu - 2.0*sigma + 0.5); | |
1145 | mu = 2.0 * sigma; | |
1146 | } else fD[na] = 0; | |
1147 | tempTh = (Int_t)floor(mu+2.25*sigma+0.5) - minval; | |
1148 | if (tempTh < 0) tempTh=0; | |
1149 | fT1[na] = tempTh; | |
1150 | tempTh = (Int_t)floor(mu+3.0*sigma+0.5) - minval; | |
1151 | if (tempTh < 0) tempTh=0; | |
1152 | fT2[na] = tempTh; | |
1153 | na++; | |
8a33ae9e | 1154 | } // end while |
b0f5e3fc | 1155 | } else { |
c7a4dac0 | 1156 | Error("Init2D","THE FILE %s DOES NOT EXIST !",filtmp); |
8a33ae9e | 1157 | exit(1); |
b0f5e3fc | 1158 | } // end if(param) |
8a33ae9e | 1159 | |
b0f5e3fc | 1160 | fclose(param); |
1161 | delete [] filtmp; | |
5d18fa90 | 1162 | delete [] savemu; |
e8189707 | 1163 | delete [] savesigma; |
8a33ae9e | 1164 | } |
1165 | //______________________________________________________________________ | |
b0f5e3fc | 1166 | void AliITSsimulationSDD::Compress2D(){ |
8a33ae9e | 1167 | // simple ITS cluster finder -- online zero-suppression conditions |
b0f5e3fc | 1168 | |
b0f5e3fc | 1169 | Int_t db,tl,th; |
8a33ae9e | 1170 | Int_t minval = fResponse->MinVal(); |
1171 | Bool_t write = fResponse->OutputOption(); | |
1172 | Bool_t do10to8 = fResponse->Do10to8(); | |
b0f5e3fc | 1173 | Int_t nz, nl, nh, low, i, j; |
1174 | ||
e8189707 | 1175 | for (i=0; i<fNofMaps; i++) { |
b0f5e3fc | 1176 | CompressionParam(i,db,tl,th); |
8a33ae9e | 1177 | nz = 0; |
1178 | nl = 0; | |
1179 | nh = 0; | |
1180 | low = 0; | |
e8189707 | 1181 | for (j=0; j<fMaxNofSamples; j++) { |
b0f5e3fc | 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; | |
b0f5e3fc | 1189 | FindCluster(i,j,signal,minval,cond); |
c7a4dac0 | 1190 | if(cond && j && |
1191 | ((TMath::Abs(fHitMap2->GetSignal(i,j-1))-th)>=minval)){ | |
8a33ae9e | 1192 | if(do10to8) signal = Convert10to8(signal); |
1193 | AddDigit(i,j,signal); | |
1194 | } // end if cond&&j&&() | |
b0f5e3fc | 1195 | } else if ((signal - tl) >= minval) nl++; |
8a33ae9e | 1196 | } // end for j loop time samples |
1197 | if (write) TreeB()->Fill(nz,nl,nh,low,i+1); | |
1198 | } //end for i loop anodes | |
b0f5e3fc | 1199 | |
8a33ae9e | 1200 | char hname[30]; |
1201 | if (write) { | |
b0f5e3fc | 1202 | sprintf(hname,"TNtuple%d_%d",fModule,fEvent); |
1203 | TreeB()->Write(hname); | |
1204 | // reset tree | |
1205 | TreeB()->Reset(); | |
8a33ae9e | 1206 | } // end if write |
1207 | } | |
1208 | //______________________________________________________________________ | |
b0f5e3fc | 1209 | void AliITSsimulationSDD::FindCluster(Int_t i,Int_t j,Int_t signal, |
ece86d9a | 1210 | Int_t minval,Bool_t &cond){ |
8a33ae9e | 1211 | // Find clusters according to the online 2D zero-suppression algorithm |
1212 | Bool_t do10to8 = fResponse->Do10to8(); | |
1213 | Bool_t high = kFALSE; | |
b0f5e3fc | 1214 | |
1215 | fHitMap2->FlagHit(i,j); | |
1216 | // | |
1217 | // check the online zero-suppression conditions | |
1218 | // | |
8a33ae9e | 1219 | const Int_t kMaxNeighbours = 4; |
b0f5e3fc | 1220 | Int_t nn; |
1221 | Int_t dbx,tlx,thx; | |
8a33ae9e | 1222 | Int_t xList[kMaxNeighbours], yList[kMaxNeighbours]; |
e8189707 | 1223 | fSegmentation->Neighbours(i,j,&nn,xList,yList); |
ece86d9a | 1224 | Int_t in,ix,iy,qns; |
e8189707 | 1225 | for (in=0; in<nn; in++) { |
1226 | ix=xList[in]; | |
1227 | iy=yList[in]; | |
b0f5e3fc | 1228 | if (fHitMap2->TestHit(ix,iy)==kUnused) { |
8a33ae9e | 1229 | CompressionParam(ix,dbx,tlx,thx); |
1230 | Int_t qn = (Int_t)(fHitMap2->GetSignal(ix,iy)); | |
1231 | qn -= dbx; // if baseline eq. is done here | |
1232 | if ((qn-tlx) < minval) { | |
1233 | fHitMap2->FlagHit(ix,iy); | |
1234 | continue; | |
1235 | } else { | |
1236 | if ((qn - thx) >= minval) high=kTRUE; | |
1237 | if (cond) { | |
1238 | if(do10to8) signal = Convert10to8(signal); | |
1239 | AddDigit(i,j,signal); | |
1240 | } // end if cond | |
1241 | if(do10to8) qns = Convert10to8(qn); | |
1242 | else qns=qn; | |
1243 | if (!high) AddDigit(ix,iy,qns); | |
1244 | cond=kFALSE; | |
1245 | if(!high) fHitMap2->FlagHit(ix,iy); | |
1246 | } // end if qn-tlx < minval | |
1247 | } // end if TestHit | |
1248 | } // end for in loop over neighbours | |
b0f5e3fc | 1249 | } |
8a33ae9e | 1250 | //______________________________________________________________________ |
b0f5e3fc | 1251 | void AliITSsimulationSDD::Init1D(){ |
8a33ae9e | 1252 | // this is just a copy-paste of input taken from 2D algo |
1253 | // Torino people should give input | |
1254 | // Read 1D zero-suppression parameters for SDD | |
b0f5e3fc | 1255 | |
1256 | if (!strstr(fParam,"file")) return; | |
1257 | ||
1258 | Int_t na,pos,tempTh; | |
1259 | Float_t mu,sigma; | |
8a33ae9e | 1260 | Float_t *savemu = new Float_t [fNofMaps]; |
e8189707 | 1261 | Float_t *savesigma = new Float_t [fNofMaps]; |
1262 | char input[100],basel[100],par[100]; | |
b0f5e3fc | 1263 | char *filtmp; |
b0f5e3fc | 1264 | Int_t minval = fResponse->MinVal(); |
8a33ae9e | 1265 | |
e8189707 | 1266 | fResponse->Filenames(input,basel,par); |
1267 | fFileName=par; | |
b0f5e3fc | 1268 | |
1269 | // set first the disable and tol param | |
1270 | SetCompressParam(); | |
1271 | // | |
1272 | filtmp = gSystem->ExpandPathName(fFileName.Data()); | |
1273 | FILE *param = fopen(filtmp,"r"); | |
1274 | na = 0; | |
1275 | ||
1276 | if (param) { | |
8a33ae9e | 1277 | fscanf(param,"%d %d %d %d ", &fT2[0], &fT2[1], &fTol[0], &fTol[1]); |
1278 | while(fscanf(param,"%d %f %f",&pos, &mu, &sigma) != EOF) { | |
1279 | if (pos != na+1) { | |
c7a4dac0 | 1280 | Error("Init1D","Anode number not in increasing order!",filtmp); |
8a33ae9e | 1281 | exit(1); |
1282 | } // end if pos != na+1 | |
1283 | savemu[na]=mu; | |
1284 | savesigma[na]=sigma; | |
1285 | if ((2.*sigma) < mu) { | |
1286 | fD[na] = (Int_t)floor(mu - 2.0*sigma + 0.5); | |
1287 | mu = 2.0 * sigma; | |
1288 | } else fD[na] = 0; | |
1289 | tempTh = (Int_t)floor(mu+2.25*sigma+0.5) - minval; | |
1290 | if (tempTh < 0) tempTh=0; | |
1291 | fT1[na] = tempTh; | |
1292 | na++; | |
1293 | } // end while | |
b0f5e3fc | 1294 | } else { |
c7a4dac0 | 1295 | Error("Init1D","THE FILE %s DOES NOT EXIST !",filtmp); |
8a33ae9e | 1296 | exit(1); |
b0f5e3fc | 1297 | } // end if(param) |
8a33ae9e | 1298 | |
b0f5e3fc | 1299 | fclose(param); |
1300 | delete [] filtmp; | |
749bd21a | 1301 | delete [] savemu; |
e8189707 | 1302 | delete [] savesigma; |
8a33ae9e | 1303 | } |
1304 | //______________________________________________________________________ | |
b0f5e3fc | 1305 | void AliITSsimulationSDD::Compress1D(){ |
1306 | // 1D zero-suppression algorithm (from Gianluca A.) | |
8a33ae9e | 1307 | Int_t dis,tol,thres,decr,diff; |
b0f5e3fc | 1308 | UChar_t *str=fStream->Stream(); |
8a33ae9e | 1309 | Int_t counter=0; |
1310 | Bool_t do10to8=fResponse->Do10to8(); | |
1311 | Int_t last=0; | |
1312 | Int_t k,i,j; | |
ece86d9a | 1313 | |
ece86d9a | 1314 | for (k=0; k<2; k++) { |
8a33ae9e | 1315 | tol = Tolerance(k); |
1316 | dis = Disable(k); | |
1317 | for (i=0; i<fNofMaps/2; i++) { | |
1318 | Bool_t firstSignal=kTRUE; | |
1319 | Int_t idx=i+k*fNofMaps/2; | |
1320 | CompressionParam(idx,decr,thres); | |
1321 | for (j=0; j<fMaxNofSamples; j++) { | |
1322 | Int_t signal=(Int_t)(fHitMap2->GetSignal(idx,j)); | |
1323 | signal -= decr; // if baseline eq. | |
1324 | if(do10to8) signal = Convert10to8(signal); | |
1325 | if (signal <= thres) { | |
1326 | signal=0; | |
1327 | diff=128; | |
1328 | last=0; | |
1329 | // write diff in the buffer for HuffT | |
1330 | str[counter]=(UChar_t)diff; | |
1331 | counter++; | |
1332 | continue; | |
1333 | } // end if signal <= thres | |
1334 | diff=signal-last; | |
1335 | if (diff > 127) diff=127; | |
1336 | if (diff < -128) diff=-128; | |
1337 | if (signal < dis) { | |
1338 | // tol has changed to 8 possible cases ? - one can write | |
1339 | // this if(TMath::Abs(diff)<tol) ... else ... | |
ece86d9a | 1340 | if(TMath::Abs(diff)<tol) diff=0; |
1341 | // or keep it as it was before | |
1342 | /* | |
b0f5e3fc | 1343 | if (tol==1 && (diff >= -2 && diff <= 1)) diff=0; |
1344 | if (tol==2 && (diff >= -4 && diff <= 3)) diff=0; | |
1345 | if (tol==3 && (diff >= -16 && diff <= 15)) diff=0; | |
ece86d9a | 1346 | */ |
1347 | AddDigit(idx,j,last+diff); | |
8a33ae9e | 1348 | } else { |
1349 | AddDigit(idx,j,signal); | |
1350 | } // end if singal < dis | |
1351 | diff += 128; | |
1352 | // write diff in the buffer used to compute Huffman tables | |
1353 | if (firstSignal) str[counter]=(UChar_t)signal; | |
1354 | else str[counter]=(UChar_t)diff; | |
1355 | counter++; | |
1356 | last=signal; | |
1357 | firstSignal=kFALSE; | |
1358 | } // end for j loop time samples | |
1359 | } // end for i loop anodes one half of detector | |
1360 | } // end for k | |
b0f5e3fc | 1361 | |
1362 | // check | |
1363 | fStream->CheckCount(counter); | |
1364 | ||
1365 | // open file and write out the stream of diff's | |
b0f5e3fc | 1366 | static Bool_t open=kTRUE; |
e8189707 | 1367 | static TFile *outFile; |
b0f5e3fc | 1368 | Bool_t write = fResponse->OutputOption(); |
9ad8b5dd | 1369 | TDirectory *savedir = gDirectory; |
b0f5e3fc | 1370 | |
1371 | if (write ) { | |
1372 | if(open) { | |
1373 | SetFileName("stream.root"); | |
1374 | cout<<"filename "<<fFileName<<endl; | |
e8189707 | 1375 | outFile=new TFile(fFileName,"recreate"); |
b0f5e3fc | 1376 | cout<<"I have opened "<<fFileName<<" file "<<endl; |
8a33ae9e | 1377 | } // end if open |
1378 | open = kFALSE; | |
e8189707 | 1379 | outFile->cd(); |
b0f5e3fc | 1380 | fStream->Write(); |
1381 | } // endif write | |
1382 | ||
8a33ae9e | 1383 | fStream->ClearStream(); |
b0f5e3fc | 1384 | |
8a33ae9e | 1385 | // back to galice.root file |
9ad8b5dd | 1386 | if(savedir) savedir->cd(); |
8a33ae9e | 1387 | } |
1388 | //______________________________________________________________________ | |
b0f5e3fc | 1389 | void AliITSsimulationSDD::StoreAllDigits(){ |
8a33ae9e | 1390 | // if non-zero-suppressed data |
1391 | Bool_t do10to8 = fResponse->Do10to8(); | |
ece86d9a | 1392 | Int_t i, j, digits[3]; |
8a33ae9e | 1393 | |
e8189707 | 1394 | for (i=0; i<fNofMaps; i++) { |
1395 | for (j=0; j<fMaxNofSamples; j++) { | |
8a33ae9e | 1396 | Int_t signal=(Int_t)(fHitMap2->GetSignal(i,j)); |
1397 | if(do10to8) signal = Convert10to8(signal); | |
1398 | if(do10to8) signal = Convert8to10(signal); | |
1399 | digits[0] = i; | |
1400 | digits[1] = j; | |
1401 | digits[2] = signal; | |
1402 | fITS->AddRealDigit(1,digits); | |
1403 | } // end for j | |
1404 | } // end for i | |
b0f5e3fc | 1405 | } |
8a33ae9e | 1406 | //______________________________________________________________________ |
ece86d9a | 1407 | void AliITSsimulationSDD::CreateHistograms(Int_t scale){ |
8a33ae9e | 1408 | // Creates histograms of maps for debugging |
1409 | Int_t i; | |
ece86d9a | 1410 | |
1411 | fHis=new TObjArray(fNofMaps); | |
e8189707 | 1412 | for (i=0;i<fNofMaps;i++) { |
a14dba92 | 1413 | TString sddName("sdd_"); |
b0f5e3fc | 1414 | Char_t candNum[4]; |
1415 | sprintf(candNum,"%d",i+1); | |
ece86d9a | 1416 | sddName.Append(candNum); |
8a33ae9e | 1417 | fHis->AddAt(new TH1F(sddName.Data(),"SDD maps",scale*fMaxNofSamples, |
1418 | 0.,(Float_t) scale*fMaxNofSamples), i); | |
1419 | } // end for i | |
b0f5e3fc | 1420 | } |
8a33ae9e | 1421 | //______________________________________________________________________ |
ece86d9a | 1422 | void AliITSsimulationSDD::FillHistograms(){ |
8a33ae9e | 1423 | // fill 1D histograms from map |
1424 | ||
1425 | if (!fHis) return; | |
1426 | ||
1427 | for( Int_t i=0; i<fNofMaps; i++) { | |
1428 | TH1F *hist =(TH1F *)fHis->UncheckedAt(i); | |
1429 | Int_t nsamples = hist->GetNbinsX(); | |
1430 | for( Int_t j=0; j<nsamples; j++) { | |
1431 | Double_t signal=fHitMap2->GetSignal(i,j); | |
1432 | hist->Fill((Float_t)j,signal); | |
1433 | } // end for j | |
1434 | } // end for i | |
ece86d9a | 1435 | } |
8a33ae9e | 1436 | //______________________________________________________________________ |
b0f5e3fc | 1437 | void AliITSsimulationSDD::ResetHistograms(){ |
b0f5e3fc | 1438 | // Reset histograms for this detector |
b0f5e3fc | 1439 | Int_t i; |
8a33ae9e | 1440 | |
e8189707 | 1441 | for (i=0;i<fNofMaps;i++ ) { |
2682e810 | 1442 | if (fHis->At(i)) ((TH1F*)fHis->At(i))->Reset(); |
8a33ae9e | 1443 | } // end for i |
b0f5e3fc | 1444 | } |
8a33ae9e | 1445 | //______________________________________________________________________ |
b0f5e3fc | 1446 | TH1F *AliITSsimulationSDD::GetAnode(Int_t wing, Int_t anode) { |
8a33ae9e | 1447 | // Fills a histogram from a give anode. |
1448 | ||
1449 | if (!fHis) return 0; | |
1450 | ||
1451 | if(wing <=0 || wing > 2) { | |
c7a4dac0 | 1452 | Warning("GetAnode","Wrong wing number: %d",wing); |
8a33ae9e | 1453 | return NULL; |
1454 | } // end if wing <=0 || wing >2 | |
1455 | if(anode <=0 || anode > fNofMaps/2) { | |
c7a4dac0 | 1456 | Warning("GetAnode","Wrong anode number: %d",anode); |
8a33ae9e | 1457 | return NULL; |
1458 | } // end if ampde <=0 || andoe > fNofMaps/2 | |
1459 | ||
1460 | Int_t index = (wing-1)*fNofMaps/2 + anode-1; | |
8a33ae9e | 1461 | return (TH1F*)(fHis->At(index)); |
b0f5e3fc | 1462 | } |
8a33ae9e | 1463 | //______________________________________________________________________ |
b0f5e3fc | 1464 | void AliITSsimulationSDD::WriteToFile(TFile *hfile) { |
8a33ae9e | 1465 | // Writes the histograms to a file |
b0f5e3fc | 1466 | |
8a33ae9e | 1467 | if (!fHis) return; |
1468 | ||
1469 | hfile->cd(); | |
1470 | Int_t i; | |
8a33ae9e | 1471 | for(i=0; i<fNofMaps; i++) fHis->At(i)->Write(); //fAdcs[i]->Write(); |
1472 | return; | |
b0f5e3fc | 1473 | } |
8a33ae9e | 1474 | //______________________________________________________________________ |
ece86d9a | 1475 | Float_t AliITSsimulationSDD::GetNoise() { |
8a33ae9e | 1476 | // Returns the noise value |
1477 | //Bool_t do10to8=fResponse->Do10to8(); | |
1478 | //noise will always be in the liniar part of the signal | |
1479 | Int_t decr; | |
1480 | Int_t threshold = fT1[0]; | |
1481 | char opt1[20], opt2[20]; | |
1482 | ||
1483 | fResponse->ParamOptions(opt1,opt2); | |
1484 | fParam=opt2; | |
1485 | char *same = strstr(opt1,"same"); | |
1486 | Float_t noise,baseline; | |
1487 | if (same) { | |
1488 | fResponse->GetNoiseParam(noise,baseline); | |
1489 | } else { | |
1490 | static Bool_t readfile=kTRUE; | |
1491 | //read baseline and noise from file | |
1492 | if (readfile) ReadBaseline(); | |
1493 | readfile=kFALSE; | |
1494 | } // end if same | |
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); | |
1509 | if (!same) GetAnodeBaseline(i,baseline,noise); | |
1510 | anode->Reset(); | |
1511 | for (k=0;k<fMaxNofSamples;k++) { | |
1512 | Float_t signal=(Float_t)fHitMap2->GetSignal(i,k); | |
1513 | //if (signal <= (float)threshold) noisehist->Fill(signal-baseline); | |
1514 | if (signal <= (float)threshold) noisehist->Fill(signal); | |
1515 | anode->Fill((float)k,signal); | |
1516 | } // end for k | |
1517 | anode->Draw(); | |
1518 | c2->Update(); | |
1519 | } // end for i | |
1520 | TF1 *gnoise = new TF1("gnoise","gaus",0.,threshold); | |
1521 | noisehist->Fit("gnoise","RQ"); | |
1522 | noisehist->Draw(); | |
ece86d9a | 1523 | c2->Update(); |
8a33ae9e | 1524 | Float_t mnoise = gnoise->GetParameter(1); |
1525 | cout << "mnoise : " << mnoise << endl; | |
1526 | Float_t rnoise = gnoise->GetParameter(2); | |
1527 | cout << "rnoise : " << rnoise << endl; | |
1528 | delete noisehist; | |
1529 | return rnoise; | |
c7a4dac0 | 1530 | }//______________________________________________________________________ |
1531 | void AliITSsimulationSDD::WriteSDigits(AliITSpList *pList){ | |
1532 | // Fills the Summable digits Tree | |
1533 | Int_t i,ni,j,nj; | |
1534 | static AliITS *aliITS = (AliITS*)gAlice->GetModule("ITS"); | |
1535 | ||
1536 | pList->GetMaxMapIndex(ni,nj); | |
1537 | for(i=0;i<ni;i++)for(j=0;j<nj;j++){ | |
1538 | if(pList->GetSignalOnly(i,j)>0.5*fT1[0]){ // above small threshold. | |
1539 | aliITS->AddSumDigit(*(pList->GetpListItem(i,j))); | |
1540 | // cout << "pListSDD: " << *(pList->GetpListItem(i,j)) << endl; | |
1541 | } // end if | |
1542 | } // end for i,j | |
1543 | return; | |
b0f5e3fc | 1544 | } |
8a33ae9e | 1545 | //______________________________________________________________________ |
44a312c3 | 1546 | void AliITSsimulationSDD::Print() { |
8a33ae9e | 1547 | // Print SDD simulation Parameters |
1548 | ||
1549 | cout << "**************************************************" << endl; | |
1550 | cout << " Silicon Drift Detector Simulation Parameters " << endl; | |
1551 | cout << "**************************************************" << endl; | |
1552 | cout << "Flag for Perpendicular tracks: " << (Int_t) fFlag << endl; | |
1553 | cout << "Flag for noise checking: " << (Int_t) fCheckNoise << endl; | |
1554 | cout << "Flag to switch off electronics: " << (Int_t) fDoFFT << endl; | |
1555 | cout << "Number pf Anodes used: " << fNofMaps << endl; | |
1556 | cout << "Number of Time Samples: " << fMaxNofSamples << endl; | |
1557 | cout << "Scale size factor: " << fScaleSize << endl; | |
1558 | cout << "**************************************************" << endl; | |
44a312c3 | 1559 | } |