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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 | ||
16 | ||
17 | #include <iostream.h> | |
18 | #include <stdlib.h> | |
19 | #include <stdio.h> | |
1ca7869b | 20 | #include <string.h> |
21 | ||
94de3818 | 22 | #include <TSystem.h> |
23 | #include <TROOT.h> | |
608f25d8 | 24 | #include <TStopwatch.h> |
ece86d9a | 25 | #include <TCanvas.h> |
26 | #include <TF1.h> | |
27 | #include <TRandom.h> | |
1ca7869b | 28 | #include <TH1.h> |
29 | #include <TFile.h> | |
30 | #include <TVector.h> | |
31 | #include <TArrayI.h> | |
32 | #include <TArrayF.h> | |
ece86d9a | 33 | |
b0f5e3fc | 34 | #include "AliRun.h" |
e8189707 | 35 | #include "AliITS.h" |
ece86d9a | 36 | #include "AliITShit.h" |
37 | #include "AliITSdigit.h" | |
38 | #include "AliITSmodule.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" | |
1ca7869b | 46 | #include "AliITSsimulationSDD.h" |
b0f5e3fc | 47 | |
b0f5e3fc | 48 | ClassImp(AliITSsimulationSDD) |
49 | //////////////////////////////////////////////////////////////////////// | |
50 | // Version: 0 | |
51 | // Written by Piergiorgio Cerello | |
52 | // November 23 1999 | |
53 | // | |
54 | // AliITSsimulationSDD is the simulation of SDDs. | |
55 | // | |
56 | //Begin_Html | |
57 | /* | |
58 | <img src="picts/ITS/AliITShit_Class_Diagram.gif"> | |
59 | </pre> | |
60 | <br clear=left> | |
61 | <font size=+2 color=red> | |
62 | <p>This show the relasionships between the ITS hit class and the rest of Aliroot. | |
63 | </font> | |
64 | <pre> | |
65 | */ | |
66 | //End_Html | |
67 | //_____________________________________________________________________________ | |
68 | ||
69 | Int_t power(Int_t b, Int_t e) { | |
e8189707 | 70 | // compute b to the e power, where both b and e are Int_ts. |
b0f5e3fc | 71 | Int_t power = 1,i; |
72 | for(i=0; i<e; i++) power *= b; | |
73 | return power; | |
74 | } | |
75 | ||
76 | //_____________________________________________ | |
77 | ||
78 | void FastFourierTransform(AliITSetfSDD *alisddetf,Double_t *real, | |
79 | Double_t *imag,Int_t direction) { | |
80 | // Do a Fast Fourier Transform | |
ece86d9a | 81 | //printf("FFT: direction %d\n",direction); |
b0f5e3fc | 82 | |
83 | Int_t samples = alisddetf->GetSamples(); | |
84 | Int_t l = (Int_t) ((log((Float_t) samples)/log(2.))+0.5); | |
85 | Int_t m1 = samples; | |
86 | Int_t m = samples/2; | |
87 | Int_t m2 = samples/m1; | |
88 | Int_t i,j,k; | |
89 | for(i=1; i<=l; i++) { | |
90 | for(j=0; j<samples; j += m1) { | |
91 | Int_t p = 0; | |
92 | for(k=j; k<= j+m-1; k++) { | |
93 | Double_t wsr = alisddetf->GetWeightReal(p); | |
94 | Double_t wsi = alisddetf->GetWeightImag(p); | |
95 | if(direction == -1) wsi = -wsi; | |
96 | Double_t xr = *(real+k+m); | |
97 | Double_t xi = *(imag+k+m); | |
98 | *(real+k+m) = wsr*(*(real+k)-xr) - wsi*(*(imag+k)-xi); | |
99 | *(imag+k+m) = wsr*(*(imag+k)-xi) + wsi*(*(real+k)-xr); | |
100 | *(real+k) += xr; | |
101 | *(imag+k) += xi; | |
102 | p += m2; | |
103 | } | |
104 | } | |
105 | m1 = m; | |
106 | m /= 2; | |
107 | m2 += m2; | |
108 | } | |
109 | ||
110 | for(j=0; j<samples; j++) { | |
111 | Int_t j1 = j; | |
112 | Int_t p = 0; | |
113 | Int_t i1; | |
114 | for(i1=1; i1<=l; i1++) { | |
115 | Int_t j2 = j1; | |
116 | j1 /= 2; | |
117 | p = p + p + j2 - j1 - j1; | |
118 | } | |
119 | if(p >= j) { | |
120 | Double_t xr = *(real+j); | |
121 | Double_t xi = *(imag+j); | |
122 | *(real+j) = *(real+p); | |
123 | *(imag+j) = *(imag+p); | |
124 | *(real+p) = xr; | |
125 | *(imag+p) = xi; | |
126 | } | |
127 | } | |
128 | if(direction == -1) { | |
129 | for(i=0; i<samples; i++) { | |
130 | *(real+i) /= samples; | |
131 | *(imag+i) /= samples; | |
132 | } | |
133 | } | |
134 | return; | |
135 | } | |
136 | //_____________________________________________________________________________ | |
137 | ||
138 | AliITSsimulationSDD::AliITSsimulationSDD(){ | |
139 | // Default constructor | |
140 | ||
141 | fResponse = 0; | |
142 | fSegmentation = 0; | |
143 | fHis = 0; | |
ece86d9a | 144 | fHitMap1 = 0; |
145 | fHitMap2 = 0; | |
146 | fElectronics = 0; | |
147 | fStream = 0; | |
b0f5e3fc | 148 | fD.Set(0); |
149 | fT1.Set(0); | |
150 | fT2.Set(0); | |
151 | fTol.Set(0); | |
ece86d9a | 152 | fNoise.Set(0); |
153 | fBaseline.Set(0); | |
e8189707 | 154 | SetScaleFourier(); |
155 | SetPerpendTracksFlag(); | |
ece86d9a | 156 | SetDoFFT(); |
157 | SetCheckNoise(); | |
5d18fa90 | 158 | fInZR = 0; |
159 | fInZI = 0; | |
160 | fOutZR = 0; | |
161 | fOutZI = 0; | |
ece86d9a | 162 | fNofMaps = 0; |
163 | fMaxNofSamples = 0; | |
164 | fITS = 0; | |
165 | fTreeB=0; | |
b0f5e3fc | 166 | } |
167 | //_____________________________________________________________________________ | |
e8189707 | 168 | AliITSsimulationSDD::AliITSsimulationSDD(AliITSsimulationSDD &source) |
169 | { | |
b0f5e3fc | 170 | // Copy constructor to satify Coding roules only. |
171 | if(this==&source) return; | |
172 | printf("Not allowed to make a copy of AliITSsimulationSDD " | |
173 | "Using default creater instead\n"); | |
174 | AliITSsimulationSDD(); | |
175 | } | |
176 | //_____________________________________________________________________________ | |
e8189707 | 177 | AliITSsimulationSDD& AliITSsimulationSDD::operator=(AliITSsimulationSDD &source) |
178 | { | |
179 | // Assignment operator to satify Coding roules only. | |
b0f5e3fc | 180 | if(this==&source) return *this; |
181 | printf("Not allowed to make a = with AliITSsimulationSDD " | |
182 | "Using default creater instead\n"); | |
183 | return *this ; | |
184 | } | |
185 | //_____________________________________________________________________________ | |
186 | ||
e8189707 | 187 | AliITSsimulationSDD::AliITSsimulationSDD(AliITSsegmentation *seg,AliITSresponse *resp) |
188 | { | |
189 | // Standard Constructor | |
ece86d9a | 190 | |
191 | fHis=0; | |
192 | fTreeB=0; | |
b0f5e3fc | 193 | fResponse = resp; |
194 | fSegmentation = seg; | |
e8189707 | 195 | SetScaleFourier(); |
196 | SetPerpendTracksFlag(); | |
ece86d9a | 197 | SetDoFFT(); |
198 | SetCheckNoise(); | |
b0f5e3fc | 199 | |
e8189707 | 200 | fHitMap2 = new AliITSMapA2(fSegmentation,fScaleSize,1); |
b0f5e3fc | 201 | fHitMap1 = new AliITSMapA1(fSegmentation); |
202 | ||
203 | // | |
204 | fNofMaps=fSegmentation->Npz(); | |
205 | fMaxNofSamples=fSegmentation->Npx(); | |
206 | ||
207 | Float_t sddLength = fSegmentation->Dx(); | |
208 | Float_t sddWidth = fSegmentation->Dz(); | |
209 | ||
210 | Int_t dummy=0; | |
211 | Float_t anodePitch = fSegmentation->Dpz(dummy); | |
212 | Double_t timeStep = (Double_t)fSegmentation->Dpx(dummy); | |
213 | Float_t driftSpeed=fResponse->DriftSpeed(); | |
214 | ||
215 | if(anodePitch*(fNofMaps/2) > sddWidth) { | |
216 | Warning("AliITSsimulationSDD", | |
ece86d9a | 217 | "Too many anodes %d or too big pitch %f \n",fNofMaps/2,anodePitch); |
b0f5e3fc | 218 | } |
219 | ||
220 | if(timeStep*fMaxNofSamples < sddLength/driftSpeed) { | |
221 | Error("AliITSsimulationSDD", | |
ece86d9a | 222 | "Time Interval > Allowed Time Interval: exit\n"); |
b0f5e3fc | 223 | return; |
224 | } | |
225 | ||
44a312c3 | 226 | fElectronics = new AliITSetfSDD(timeStep/fScaleSize,fResponse->Electronics()); |
b0f5e3fc | 227 | |
e8189707 | 228 | char opt1[20], opt2[20]; |
b0f5e3fc | 229 | fResponse->ParamOptions(opt1,opt2); |
230 | fParam=opt2; | |
231 | char *same = strstr(opt1,"same"); | |
232 | if (same) { | |
233 | fNoise.Set(0); | |
234 | fBaseline.Set(0); | |
235 | } else { | |
236 | fNoise.Set(fNofMaps); | |
237 | fBaseline.Set(fNofMaps); | |
238 | } | |
239 | ||
240 | // | |
e8189707 | 241 | const char *kopt=fResponse->ZeroSuppOption(); |
b0f5e3fc | 242 | if (strstr(fParam,"file") ) { |
243 | fD.Set(fNofMaps); | |
244 | fT1.Set(fNofMaps); | |
e8189707 | 245 | if (strstr(kopt,"2D")) { |
b0f5e3fc | 246 | fT2.Set(fNofMaps); |
247 | fTol.Set(0); | |
248 | Init2D(); // desactivate if param change module by module | |
e8189707 | 249 | } else if(strstr(kopt,"1D")) { |
b0f5e3fc | 250 | fT2.Set(2); |
251 | fTol.Set(2); | |
252 | Init1D(); // desactivate if param change module by module | |
253 | } | |
254 | } else { | |
255 | fD.Set(2); | |
256 | fTol.Set(2); | |
257 | fT1.Set(2); | |
258 | fT2.Set(2); | |
259 | SetCompressParam(); | |
260 | } | |
261 | ||
262 | ||
263 | Bool_t write=fResponse->OutputOption(); | |
e8189707 | 264 | if(write && strstr(kopt,"2D")) MakeTreeB(); |
b0f5e3fc | 265 | |
266 | // call here if baseline does not change by module | |
267 | // ReadBaseline(); | |
268 | ||
269 | fITS = (AliITS*)gAlice->GetModule("ITS"); | |
270 | Int_t size=fNofMaps*fMaxNofSamples; | |
271 | fStream = new AliITSInStream(size); | |
272 | ||
e8189707 | 273 | fInZR = new Double_t [fScaleSize*fMaxNofSamples]; |
274 | fInZI = new Double_t [fScaleSize*fMaxNofSamples]; | |
275 | fOutZR = new Double_t [fScaleSize*fMaxNofSamples]; | |
276 | fOutZI = new Double_t [fScaleSize*fMaxNofSamples]; | |
5d18fa90 | 277 | |
b0f5e3fc | 278 | } |
279 | ||
280 | ||
281 | //_____________________________________________________________________________ | |
282 | ||
283 | AliITSsimulationSDD::~AliITSsimulationSDD() { | |
284 | // destructor | |
285 | ||
286 | delete fHitMap1; | |
287 | delete fHitMap2; | |
288 | delete fStream; | |
ece86d9a | 289 | delete fElectronics; |
b0f5e3fc | 290 | |
291 | fD.Set(0); | |
292 | fT1.Set(0); | |
293 | fT2.Set(0); | |
294 | fTol.Set(0); | |
295 | fNoise.Set(0); | |
296 | fBaseline.Set(0); | |
ece86d9a | 297 | fITS = 0; |
b0f5e3fc | 298 | |
299 | if (fHis) { | |
300 | fHis->Delete(); | |
301 | delete fHis; | |
ece86d9a | 302 | } |
303 | if(fTreeB) delete fTreeB; | |
e8189707 | 304 | if(fInZR) delete [] fInZR; |
305 | if(fInZI) delete [] fInZI; | |
306 | if(fOutZR) delete [] fOutZR; | |
307 | if(fOutZI) delete [] fOutZI; | |
b0f5e3fc | 308 | } |
309 | //_____________________________________________________________________________ | |
310 | ||
311 | void AliITSsimulationSDD::DigitiseModule(AliITSmodule *mod,Int_t md,Int_t ev){ | |
312 | // create maps to build the lists of tracks | |
313 | // for each digit | |
44a312c3 | 314 | cout << "Module: " << md << endl; |
b0f5e3fc | 315 | fModule=md; |
316 | fEvent=ev; | |
317 | ||
318 | TObjArray *fHits = mod->GetHits(); | |
319 | Int_t nhits = fHits->GetEntriesFast(); | |
ece86d9a | 320 | if (!nhits && fCheckNoise) { |
321 | ChargeToSignal(); | |
322 | GetNoise(); | |
323 | fHitMap2->ClearMap(); | |
324 | return; | |
325 | } else if (!nhits) return; | |
326 | ||
327 | //printf("simSDD: module nhits %d %d\n",md,nhits); | |
b0f5e3fc | 328 | |
329 | ||
330 | TObjArray *list=new TObjArray; | |
331 | static TClonesArray *padr=0; | |
332 | if(!padr) padr=new TClonesArray("TVector",1000); | |
e8189707 | 333 | Int_t arg[6] = {0,0,0,0,0,0}; |
b0f5e3fc | 334 | fHitMap1->SetArray(list); |
335 | ||
44a312c3 | 336 | // cout << "set Parameters" << endl; |
b0f5e3fc | 337 | |
e8189707 | 338 | Int_t nofAnodes=fNofMaps/2; |
b0f5e3fc | 339 | |
340 | Float_t sddLength = fSegmentation->Dx(); | |
341 | Float_t sddWidth = fSegmentation->Dz(); | |
44a312c3 | 342 | |
b0f5e3fc | 343 | Int_t dummy=0; |
344 | Float_t anodePitch = fSegmentation->Dpz(dummy); | |
345 | Float_t timeStep = fSegmentation->Dpx(dummy); | |
346 | ||
347 | Float_t driftSpeed=fResponse->DriftSpeed(); | |
348 | ||
44a312c3 | 349 | Float_t maxadc = fResponse->MaxAdc(); |
350 | Float_t topValue = fResponse->DynamicRange(); | |
351 | Float_t CHloss = fResponse->ChargeLoss(); | |
352 | Float_t norm = maxadc/topValue; | |
353 | ||
b0f5e3fc | 354 | // Piergiorgio's part (apart for few variables which I made float |
355 | // when i thought that can be done | |
356 | ||
357 | // Fill detector maps with GEANT hits | |
358 | // loop over hits in the module | |
359 | ||
44a312c3 | 360 | // TStopwatch timer; |
361 | // timer.Start(); | |
362 | ||
e8189707 | 363 | const Float_t kconv=1.0e+6; // GeV->KeV |
b0f5e3fc | 364 | Int_t ii; |
ece86d9a | 365 | Int_t idhit=-1; |
b0f5e3fc | 366 | for(ii=0; ii<nhits; ii++) { |
44a312c3 | 367 | // cout << "hit: " << ii+1 << " of " << nhits << endl; |
a14dba92 | 368 | AliITShit *hit = (AliITShit*) fHits->At(ii); |
369 | Float_t xL[3]; | |
370 | hit = (AliITShit*) fHits->At(ii); | |
371 | hit->GetPositionL(xL[0],xL[1],xL[2]); | |
372 | Int_t hitDetector = hit->GetDetector(); | |
44a312c3 | 373 | |
374 | // Take into account all hits when several GEANT steps are carried out | |
375 | // inside the silicon | |
376 | // Get and use the status of hit(track): | |
377 | // 66 - for entering hit, | |
378 | // 65 - for inside hit, | |
379 | // 68 - for exiting hit, | |
380 | // 33 - for stopping hit. | |
381 | ||
382 | Int_t status = hit->GetTrackStatus(); // Boris | |
e8189707 | 383 | |
a14dba92 | 384 | if(hit->StatusEntering()) idhit=ii; |
385 | ||
44a312c3 | 386 | Int_t nOfSplits = 1; |
a14dba92 | 387 | // Deposited energy in keV |
44a312c3 | 388 | Float_t depEnergy = kconv*hit->GetIonization(); |
a14dba92 | 389 | AliITShit *hit1 = 0; |
390 | Float_t xL1[3]; | |
7f8e03e6 | 391 | if(fFlag && (depEnergy != 0.)) continue; |
44a312c3 | 392 | |
393 | // hit->Print(); | |
394 | ||
395 | //Take now the entering and inside hits only | |
396 | if(status != 66 && status != 65) continue; // Boris | |
397 | ||
a14dba92 | 398 | if(depEnergy == 0.) { |
22d0f5e6 | 399 | if(ii<nhits-1) ii++; |
4383d7f8 | 400 | hit1 = (AliITShit*) fHits->At(ii); |
401 | hit1->GetPositionL(xL1[0],xL1[1],xL1[2]); | |
a14dba92 | 402 | } else { |
4383d7f8 | 403 | xL1[0] = xL[0]; |
404 | xL1[1] = xL[1]; | |
405 | xL1[2] = xL[2]; | |
a14dba92 | 406 | } |
44a312c3 | 407 | /* |
408 | Int_t status1 = hit1->GetTrackStatus(); // Boris | |
409 | hit1->Print(); | |
410 | */ | |
411 | if(depEnergy == 0.) depEnergy = kconv*hit1->GetIonization(); | |
412 | /* | |
413 | if(depEnergy < 0.001) { | |
414 | cout<<" Warning !: for the hit status ="<<status1<<" the depEnergy ="<<depEnergy<<endl; | |
415 | continue; | |
416 | } | |
417 | */ | |
a14dba92 | 418 | // scale path to simulate a perpendicular track |
a14dba92 | 419 | // continue if the particle did not lose energy |
420 | // passing through detector | |
421 | if (!depEnergy) { | |
422 | printf("This particle has passed without losing energy!\n"); | |
423 | continue; | |
424 | } | |
44a312c3 | 425 | Float_t pathInSDD = TMath::Sqrt((xL[0]-xL1[0])*(xL[0]-xL1[0])+(xL[1]-xL1[1])*(xL[1]-xL1[1])+(xL[2]-xL1[2])*(xL[2]-xL1[2])); |
426 | ||
427 | if (fFlag && pathInSDD) { depEnergy *= (0.03/pathInSDD); } | |
428 | Float_t Drft = (xL1[0]+xL[0])*0.5; | |
429 | Float_t drPath = 10000.*Drft; | |
430 | if(drPath < 0) drPath = -drPath; | |
431 | drPath = sddLength-drPath; | |
432 | if(drPath < 0) { | |
433 | cout << "Warning: negative drift path " << drPath << endl; | |
434 | continue; | |
a14dba92 | 435 | } |
44a312c3 | 436 | |
437 | // Drift Time | |
438 | Float_t drTime = drPath/driftSpeed; | |
439 | // Signal 2d Shape | |
440 | Float_t dfCoeff, s1; | |
441 | fResponse->DiffCoeff(dfCoeff,s1); | |
442 | ||
443 | // Squared Sigma along the anodes | |
444 | Double_t sig2A = 2.*dfCoeff*drTime+s1*s1; | |
445 | Double_t sigA = TMath::Sqrt(sig2A); | |
446 | if(pathInSDD) { | |
447 | nOfSplits = (Int_t) (1 + 10000.*pathInSDD/sigA); | |
448 | //cout << "nOfSplits: " << nOfSplits << ", sigA: " << sigA << ", path: " << pathInSDD << endl; | |
449 | } | |
450 | if(fFlag) nOfSplits = 1; | |
451 | depEnergy /= nOfSplits; | |
452 | ||
a14dba92 | 453 | for(Int_t kk=0;kk<nOfSplits;kk++) { |
454 | Float_t avDrft = | |
455 | xL[0]+(xL1[0]-xL[0])*((kk+0.5)/((Float_t) nOfSplits)); | |
456 | Float_t avAnode = | |
457 | xL[2]+(xL1[2]-xL[2])*((kk+0.5)/((Float_t) nOfSplits)); | |
458 | Float_t driftPath = 10000.*avDrft; | |
ece86d9a | 459 | |
b0f5e3fc | 460 | Int_t iWing = 2; |
461 | if(driftPath < 0) { | |
a14dba92 | 462 | iWing = 1; |
463 | driftPath = -driftPath; | |
b0f5e3fc | 464 | } |
465 | driftPath = sddLength-driftPath; | |
466 | Int_t detector = 2*(hitDetector-1) + iWing; | |
467 | if(driftPath < 0) { | |
a14dba92 | 468 | cout << "Warning: negative drift path " << driftPath << endl; |
469 | continue; | |
b0f5e3fc | 470 | } |
471 | ||
472 | // Drift Time | |
473 | Float_t driftTime = driftPath/driftSpeed; | |
e8189707 | 474 | Int_t timeSample = (Int_t) (fScaleSize*driftTime/timeStep + 1); |
475 | if(timeSample > fScaleSize*fMaxNofSamples) { | |
a14dba92 | 476 | cout << "Warning: Wrong Time Sample: " << timeSample << endl; |
477 | continue; | |
b0f5e3fc | 478 | } |
479 | ||
480 | // Anode | |
e8189707 | 481 | Float_t xAnode = 10000.*(avAnode)/anodePitch + nofAnodes/2; // +1? |
44a312c3 | 482 | if(xAnode*anodePitch > sddWidth || xAnode*anodePitch < 0.) |
a14dba92 | 483 | { cout << "Warning: Z = " << xAnode*anodePitch << endl; } |
b0f5e3fc | 484 | Int_t iAnode = (Int_t) (1.+xAnode); // xAnode? |
44a312c3 | 485 | if(iAnode < 1 || iAnode > nofAnodes) { |
b0f5e3fc | 486 | cout << "Warning: Wrong iAnode: " << iAnode << endl; |
487 | continue; | |
488 | } | |
489 | ||
e8189707 | 490 | // work with the idtrack=entry number in the TreeH for the moment |
ece86d9a | 491 | //Int_t idhit,idtrack; |
492 | //mod->GetHitTrackAndHitIndex(ii,idtrack,idhit); | |
e8189707 | 493 | //Int_t idtrack=mod->GetHitTrackIndex(ii); |
b0f5e3fc | 494 | // or store straight away the particle position in the array |
ece86d9a | 495 | // of particles and take idhit=ii only when part is entering (this |
496 | // requires FillModules() in the macro for analysis) : | |
a14dba92 | 497 | Int_t itrack = hit->GetTrack(); |
b0f5e3fc | 498 | |
499 | // Signal 2d Shape | |
e8189707 | 500 | Float_t diffCoeff, s0; |
501 | fResponse->DiffCoeff(diffCoeff,s0); | |
b0f5e3fc | 502 | |
b0f5e3fc | 503 | // Squared Sigma along the anodes |
e8189707 | 504 | Double_t sigma2A = 2.*diffCoeff*driftTime+s0*s0; |
505 | Double_t sigmaA = TMath::Sqrt(sigma2A); | |
506 | Double_t sigmaT = sigmaA/driftSpeed; | |
b0f5e3fc | 507 | // Peak amplitude in nanoAmpere |
508 | Double_t eVpairs = 3.6; | |
e8189707 | 509 | Double_t amplitude = fScaleSize*160.*depEnergy/(timeStep*eVpairs*2.*acos(-1.)*sigmaT*sigmaA); |
44a312c3 | 510 | amplitude *= timeStep/25.; // WARNING!!!!! Amplitude scaling to account for clock variations (reference value: 40 MHz) |
511 | Double_t chargeloss = 1.-CHloss*driftPath/1000; | |
512 | amplitude *= chargeloss; | |
e8189707 | 513 | Float_t nsigma=fResponse->NSigmaIntegration(); |
44a312c3 | 514 | Int_t nlookups = fResponse->GausNLookUp(); |
515 | Float_t width = 2.*nsigma/(nlookups-1); | |
b0f5e3fc | 516 | // Spread the charge |
517 | // Pixel index | |
518 | Int_t ja = iAnode; | |
519 | Int_t jt = timeSample; | |
44a312c3 | 520 | Int_t ndiv = 2; |
521 | Float_t nmul = 3.; | |
522 | if(driftTime > 1200.) { | |
523 | ndiv = 4; | |
524 | nmul = 1.5; | |
525 | } | |
b0f5e3fc | 526 | // Sub-pixel index |
e8189707 | 527 | Int_t nsplit = 4; // hard-wired |
b0f5e3fc | 528 | nsplit = (nsplit+1)/2*2; |
529 | // Sub-pixel size | |
e8189707 | 530 | Double_t aStep = anodePitch/(nsplit*fScaleSize); |
531 | Double_t tStep = timeStep/(nsplit*fScaleSize); | |
b0f5e3fc | 532 | // Define SDD window corresponding to the hit |
e8189707 | 533 | Int_t anodeWindow = (Int_t) (fScaleSize*nsigma*sigmaA/anodePitch + 1); |
534 | Int_t timeWindow = (Int_t) (fScaleSize*nsigma*sigmaT/timeStep + 1); | |
44a312c3 | 535 | Int_t jamin = (ja - anodeWindow/ndiv - 1)*fScaleSize*nsplit + 1; |
536 | Int_t jamax = (ja + anodeWindow/ndiv)*fScaleSize*nsplit; | |
b0f5e3fc | 537 | if(jamin <= 0) jamin = 1; |
e8189707 | 538 | if(jamax > fScaleSize*nofAnodes*nsplit) jamax = fScaleSize*nofAnodes*nsplit; |
44a312c3 | 539 | Int_t jtmin = (Int_t) (jt - timeWindow*nmul - 1)*nsplit + 1; //hard-wired |
540 | Int_t jtmax = (Int_t) (jt + timeWindow*nmul)*nsplit; //hard-wired | |
b0f5e3fc | 541 | if(jtmin <= 0) jtmin = 1; |
e8189707 | 542 | if(jtmax > fScaleSize*fMaxNofSamples*nsplit) jtmax = fScaleSize*fMaxNofSamples*nsplit; |
543 | ||
b0f5e3fc | 544 | // Spread the charge in the anode-time window |
545 | Int_t ka; | |
44a312c3 | 546 | //cout << "jamin: " << jamin << ", jamax: " << jamax << endl; |
547 | //cout << "jtmin: " << jtmin << ", jtmax: " << jtmax << endl; | |
b0f5e3fc | 548 | for(ka=jamin; ka <=jamax; ka++) { |
e8189707 | 549 | Int_t ia = (ka-1)/(fScaleSize*nsplit) + 1; |
b0f5e3fc | 550 | if(ia <= 0) { cout << "Warning: ia < 1: " << endl; continue; } |
e8189707 | 551 | if(ia > nofAnodes) ia = nofAnodes; |
552 | Double_t aExpo = (aStep*(ka-0.5)-xAnode*anodePitch)/sigmaA; | |
44a312c3 | 553 | Double_t anodeAmplitude = 0; |
554 | if(TMath::Abs(aExpo) > nsigma) { | |
555 | anodeAmplitude = 0.; | |
556 | //cout << "aExpo: " << aExpo << endl; | |
557 | } else { | |
558 | Int_t i = (Int_t) ((aExpo+nsigma)/width); | |
559 | //cout << "eval ampl: " << i << ", " << amplitude << endl; | |
560 | anodeAmplitude = amplitude*fResponse->GausLookUp(i); | |
561 | //cout << "ampl: " << anodeAmplitude << endl; | |
562 | } | |
ece86d9a | 563 | Int_t index = ((detector+1)%2)*nofAnodes+ia-1; // index starts from 0 |
b0f5e3fc | 564 | if(anodeAmplitude) { |
44a312c3 | 565 | //Double_t rlTime = log(tStep*anodeAmplitude); |
b0f5e3fc | 566 | Int_t kt; |
567 | for(kt=jtmin; kt<=jtmax; kt++) { | |
e8189707 | 568 | Int_t it = (kt-1)/nsplit+1; // it starts from 1 |
b0f5e3fc | 569 | if(it<=0) { cout << "Warning: it < 1: " << endl; continue; } |
e8189707 | 570 | if(it>fScaleSize*fMaxNofSamples) it = fScaleSize*fMaxNofSamples; |
571 | Double_t tExpo = (tStep*(kt-0.5)-driftTime)/sigmaT; | |
44a312c3 | 572 | Double_t timeAmplitude = 0.; |
573 | if(TMath::Abs(tExpo) > nsigma) { | |
574 | timeAmplitude = 0.; | |
575 | //cout << "tExpo: " << tExpo << endl; | |
576 | } else { | |
577 | Int_t i = (Int_t) ((tExpo+nsigma)/width); | |
578 | //cout << "eval ampl: " << i << ", " << anodeAmplitude << endl; | |
579 | timeAmplitude = anodeAmplitude*fResponse->GausLookUp(i); | |
580 | } | |
b0f5e3fc | 581 | |
b0f5e3fc | 582 | // build the list of digits for this module |
583 | arg[0]=index; | |
584 | arg[1]=it; | |
e8189707 | 585 | arg[2]=itrack; |
586 | arg[3]=idhit; | |
44a312c3 | 587 | timeAmplitude *= norm; |
588 | timeAmplitude *= 10; | |
b0f5e3fc | 589 | ListOfFiredCells(arg,timeAmplitude,list,padr); |
44a312c3 | 590 | //cout << "ampl: " << timeAmplitude << endl; |
591 | } // loop over time in window | |
592 | } // end if anodeAmplitude | |
593 | } // loop over anodes in window | |
594 | } // end loop over "sub-hits" | |
595 | } // end loop over hits | |
596 | ||
597 | // timer.Stop(); timer.Print(); | |
598 | ||
b0f5e3fc | 599 | // introduce the electronics effects and do zero-suppression if required |
e8189707 | 600 | Int_t nentries=list->GetEntriesFast(); |
b0f5e3fc | 601 | if (nentries) { |
ece86d9a | 602 | |
44a312c3 | 603 | // TStopwatch timer1; |
b0f5e3fc | 604 | ChargeToSignal(); |
44a312c3 | 605 | // timer1.Stop(); cout << "ele: "; timer1.Print(); |
b0f5e3fc | 606 | |
e8189707 | 607 | const char *kopt=fResponse->ZeroSuppOption(); |
608 | ZeroSuppression(kopt); | |
b0f5e3fc | 609 | } |
610 | ||
611 | // clean memory | |
612 | list->Delete(); | |
613 | delete list; | |
614 | ||
615 | padr->Delete(); | |
616 | ||
617 | fHitMap1->ClearMap(); | |
618 | fHitMap2->ClearMap(); | |
619 | ||
620 | //gObjectTable->Print(); | |
621 | } | |
622 | ||
623 | ||
624 | //____________________________________________ | |
625 | ||
626 | void AliITSsimulationSDD::ListOfFiredCells(Int_t *arg,Double_t timeAmplitude, | |
627 | TObjArray *list,TClonesArray *padr){ | |
628 | // Returns the list of "fired" cells. | |
629 | ||
630 | Int_t index=arg[0]; | |
e8189707 | 631 | Int_t ik=arg[1]; |
b0f5e3fc | 632 | Int_t idtrack=arg[2]; |
e8189707 | 633 | Int_t idhit=arg[3]; |
634 | Int_t counter=arg[4]; | |
635 | Int_t countadr=arg[5]; | |
b0f5e3fc | 636 | |
e8189707 | 637 | Double_t charge=timeAmplitude; |
638 | charge += fHitMap2->GetSignal(index,ik-1); | |
639 | fHitMap2->SetHit(index, ik-1, charge); | |
b0f5e3fc | 640 | |
e8189707 | 641 | Int_t digits[3]; |
642 | Int_t it=(Int_t)((ik-1)/fScaleSize); | |
643 | ||
b0f5e3fc | 644 | digits[0]=index; |
e8189707 | 645 | digits[1]=it; |
b0f5e3fc | 646 | digits[2]=(Int_t)timeAmplitude; |
647 | Float_t phys; | |
648 | if (idtrack >= 0) phys=(Float_t)timeAmplitude; | |
649 | else phys=0; | |
650 | ||
e8189707 | 651 | Double_t cellcharge=0.; |
b0f5e3fc | 652 | AliITSTransientDigit* pdigit; |
653 | // build the list of fired cells and update the info | |
e8189707 | 654 | if (!fHitMap1->TestHit(index, it)) { |
b0f5e3fc | 655 | |
e8189707 | 656 | new((*padr)[countadr++]) TVector(3); |
b0f5e3fc | 657 | TVector &trinfo=*((TVector*) (*padr)[countadr-1]); |
658 | trinfo(0)=(Float_t)idtrack; | |
e8189707 | 659 | trinfo(1)=(Float_t)idhit; |
660 | trinfo(2)=(Float_t)timeAmplitude; | |
b0f5e3fc | 661 | |
662 | list->AddAtAndExpand( | |
663 | new AliITSTransientDigit(phys,digits),counter); | |
664 | ||
e8189707 | 665 | fHitMap1->SetHit(index, it, counter); |
b0f5e3fc | 666 | counter++; |
b0f5e3fc | 667 | pdigit=(AliITSTransientDigit*)list-> |
668 | At(list->GetLast()); | |
669 | // list of tracks | |
670 | TObjArray *trlist=(TObjArray*)pdigit->TrackList(); | |
671 | trlist->Add(&trinfo); | |
672 | ||
673 | } else { | |
674 | pdigit= | |
e8189707 | 675 | (AliITSTransientDigit*) fHitMap1->GetHit(index, it); |
676 | for(Int_t kk=0;kk<fScaleSize;kk++) { | |
677 | cellcharge += fHitMap2->GetSignal(index,fScaleSize*it+kk); | |
678 | } | |
b0f5e3fc | 679 | // update charge |
e8189707 | 680 | (*pdigit).fSignal=(Int_t)cellcharge; |
b0f5e3fc | 681 | (*pdigit).fPhysics+=phys; |
682 | // update list of tracks | |
683 | TObjArray* trlist=(TObjArray*)pdigit->TrackList(); | |
684 | Int_t lastentry=trlist->GetLast(); | |
685 | TVector *ptrkp=(TVector*)trlist->At(lastentry); | |
686 | TVector &trinfo=*ptrkp; | |
687 | Int_t lasttrack=Int_t(trinfo(0)); | |
ece86d9a | 688 | //Int_t lasthit=Int_t(trinfo(1)); |
e8189707 | 689 | Float_t lastcharge=(trinfo(2)); |
b0f5e3fc | 690 | |
691 | if (lasttrack==idtrack ) { | |
692 | lastcharge+=(Float_t)timeAmplitude; | |
693 | trlist->RemoveAt(lastentry); | |
694 | trinfo(0)=lasttrack; | |
ece86d9a | 695 | //trinfo(1)=lasthit; // or idhit |
696 | trinfo(1)=idhit; | |
e8189707 | 697 | trinfo(2)=lastcharge; |
b0f5e3fc | 698 | trlist->AddAt(&trinfo,lastentry); |
699 | } else { | |
700 | ||
e8189707 | 701 | new((*padr)[countadr++]) TVector(3); |
b0f5e3fc | 702 | TVector &trinfo=*((TVector*) (*padr)[countadr-1]); |
703 | trinfo(0)=(Float_t)idtrack; | |
e8189707 | 704 | trinfo(1)=(Float_t)idhit; |
705 | trinfo(2)=(Float_t)timeAmplitude; | |
b0f5e3fc | 706 | |
707 | trlist->Add(&trinfo); | |
708 | } | |
709 | ||
710 | #ifdef print | |
711 | // check the track list - debugging | |
e8189707 | 712 | Int_t trk[20], htrk[20]; |
713 | Float_t chtrk[20]; | |
b0f5e3fc | 714 | Int_t nptracks=trlist->GetEntriesFast(); |
715 | if (nptracks > 2) { | |
716 | Int_t tr; | |
e8189707 | 717 | for (tr=0;tr<nptracks;tr++) { |
b0f5e3fc | 718 | TVector *pptrkp=(TVector*)trlist->At(tr); |
719 | TVector &pptrk=*pptrkp; | |
720 | trk[tr]=Int_t(pptrk(0)); | |
e8189707 | 721 | htrk[tr]=Int_t(pptrk(1)); |
722 | chtrk[tr]=(pptrk(2)); | |
b0f5e3fc | 723 | printf("nptracks %d \n",nptracks); |
724 | // set printings | |
725 | } | |
726 | } // end if nptracks | |
727 | #endif | |
728 | } // end if pdigit | |
729 | ||
e8189707 | 730 | arg[4]=counter; |
731 | arg[5]=countadr; | |
b0f5e3fc | 732 | |
733 | ||
734 | } | |
735 | ||
736 | ||
737 | //____________________________________________ | |
738 | ||
739 | void AliITSsimulationSDD::AddDigit(Int_t i, Int_t j, Int_t signal){ | |
740 | // Adds a Digit. | |
741 | // tag with -1 signals coming from background tracks | |
742 | // tag with -2 signals coming from pure electronic noise | |
743 | ||
e8189707 | 744 | Int_t digits[3], tracks[3], hits[3]; |
b0f5e3fc | 745 | Float_t phys, charges[3]; |
746 | ||
e8189707 | 747 | Int_t trk[20], htrk[20]; |
b0f5e3fc | 748 | Float_t chtrk[20]; |
749 | ||
ece86d9a | 750 | Bool_t do10to8=fResponse->Do10to8(); |
751 | ||
752 | if(do10to8) signal=Convert8to10(signal); | |
b0f5e3fc | 753 | AliITSTransientDigit *obj = (AliITSTransientDigit*)fHitMap1->GetHit(i,j); |
754 | digits[0]=i; | |
755 | digits[1]=j; | |
756 | digits[2]=signal; | |
b0f5e3fc | 757 | if (!obj) { |
758 | phys=0; | |
759 | Int_t k; | |
e8189707 | 760 | for (k=0;k<3;k++) { |
b0f5e3fc | 761 | tracks[k]=-2; |
762 | charges[k]=0; | |
ece86d9a | 763 | hits[k]=-1; |
b0f5e3fc | 764 | } |
e8189707 | 765 | fITS->AddSimDigit(1,phys,digits,tracks,hits,charges); |
b0f5e3fc | 766 | } else { |
767 | phys=obj->fPhysics; | |
b0f5e3fc | 768 | TObjArray* trlist=(TObjArray*)obj->TrackList(); |
769 | Int_t nptracks=trlist->GetEntriesFast(); | |
770 | ||
771 | if (nptracks > 20) { | |
772 | cout<<"Attention - nptracks > 20 "<<nptracks<<endl; | |
773 | nptracks=20; | |
774 | } | |
775 | Int_t tr; | |
e8189707 | 776 | for (tr=0;tr<nptracks;tr++) { |
b0f5e3fc | 777 | TVector &pp =*((TVector*)trlist->At(tr)); |
778 | trk[tr]=Int_t(pp(0)); | |
e8189707 | 779 | htrk[tr]=Int_t(pp(1)); |
780 | chtrk[tr]=(pp(2)); | |
b0f5e3fc | 781 | } |
782 | if (nptracks > 1) { | |
ece86d9a | 783 | //printf("nptracks > 2 -- %d\n",nptracks); |
e8189707 | 784 | SortTracks(trk,chtrk,htrk,nptracks); |
b0f5e3fc | 785 | } |
786 | Int_t i; | |
787 | if (nptracks < 3 ) { | |
e8189707 | 788 | for (i=0; i<nptracks; i++) { |
b0f5e3fc | 789 | tracks[i]=trk[i]; |
790 | charges[i]=chtrk[i]; | |
e8189707 | 791 | hits[i]=htrk[i]; |
b0f5e3fc | 792 | } |
e8189707 | 793 | for (i=nptracks; i<3; i++) { |
ece86d9a | 794 | tracks[i]=-3; |
795 | hits[i]=-1; | |
b0f5e3fc | 796 | charges[i]=0; |
797 | } | |
798 | } else { | |
e8189707 | 799 | for (i=0; i<3; i++) { |
b0f5e3fc | 800 | tracks[i]=trk[i]; |
801 | charges[i]=chtrk[i]; | |
e8189707 | 802 | hits[i]=htrk[i]; |
b0f5e3fc | 803 | } |
804 | } | |
805 | ||
e8189707 | 806 | fITS->AddSimDigit(1,phys,digits,tracks,hits,charges); |
b0f5e3fc | 807 | |
808 | } | |
809 | ||
810 | } | |
811 | ||
812 | //____________________________________________ | |
813 | ||
e8189707 | 814 | void AliITSsimulationSDD::SortTracks(Int_t *tracks,Float_t *charges,Int_t *hits,Int_t ntr){ |
b0f5e3fc | 815 | // |
816 | // Sort the list of tracks contributing to a given digit | |
817 | // Only the 3 most significant tracks are acctually sorted | |
818 | // | |
819 | ||
820 | // | |
821 | // Loop over signals, only 3 times | |
822 | // | |
823 | ||
824 | ||
825 | Float_t qmax; | |
826 | Int_t jmax; | |
827 | Int_t idx[3] = {-3,-3,-3}; | |
828 | Float_t jch[3] = {-3,-3,-3}; | |
829 | Int_t jtr[3] = {-3,-3,-3}; | |
e8189707 | 830 | Int_t jhit[3] = {-3,-3,-3}; |
b0f5e3fc | 831 | Int_t i,j,imax; |
832 | ||
833 | if (ntr<3) imax=ntr; | |
834 | else imax=3; | |
835 | for(i=0;i<imax;i++){ | |
836 | qmax=0; | |
837 | jmax=0; | |
838 | ||
839 | for(j=0;j<ntr;j++){ | |
840 | ||
841 | if((i == 1 && j == idx[i-1] ) | |
842 | ||(i == 2 && (j == idx[i-1] || j == idx[i-2]))) continue; | |
843 | ||
844 | if(charges[j] > qmax) { | |
845 | qmax = charges[j]; | |
846 | jmax=j; | |
847 | } | |
848 | } | |
849 | ||
850 | if(qmax > 0) { | |
851 | idx[i]=jmax; | |
852 | jch[i]=charges[jmax]; | |
853 | jtr[i]=tracks[jmax]; | |
e8189707 | 854 | jhit[i]=hits[jmax]; |
b0f5e3fc | 855 | } |
856 | ||
857 | } | |
858 | ||
859 | for(i=0;i<3;i++){ | |
860 | if (jtr[i] == -3) { | |
861 | charges[i]=0; | |
e8189707 | 862 | tracks[i]=-3; |
863 | hits[i]=-1; | |
b0f5e3fc | 864 | } else { |
865 | charges[i]=jch[i]; | |
866 | tracks[i]=jtr[i]; | |
ece86d9a | 867 | hits[i]=jhit[i]; |
b0f5e3fc | 868 | } |
869 | } | |
870 | ||
871 | } | |
872 | //____________________________________________ | |
873 | void AliITSsimulationSDD::ChargeToSignal() { | |
874 | // add baseline, noise, electronics and ADC saturation effects | |
875 | ||
e8189707 | 876 | char opt1[20], opt2[20]; |
b0f5e3fc | 877 | fResponse->ParamOptions(opt1,opt2); |
878 | char *read = strstr(opt1,"file"); | |
879 | ||
880 | Float_t baseline, noise; | |
881 | ||
882 | if (read) { | |
883 | static Bool_t readfile=kTRUE; | |
884 | //read baseline and noise from file | |
885 | if (readfile) ReadBaseline(); | |
886 | readfile=kFALSE; | |
887 | } else fResponse->GetNoiseParam(noise,baseline); | |
888 | ||
889 | Float_t contrib=0; | |
b0f5e3fc | 890 | |
ece86d9a | 891 | TRandom random; |
e8189707 | 892 | Int_t i,k,kk; |
ece86d9a | 893 | |
44a312c3 | 894 | Float_t maxadc = fResponse->MaxAdc(); |
ece86d9a | 895 | if(!fDoFFT) { |
896 | for (i=0;i<fNofMaps;i++) { | |
897 | if (read && i<fNofMaps) GetAnodeBaseline(i,baseline,noise); | |
898 | for(k=0; k<fScaleSize*fMaxNofSamples; k++) { | |
899 | fInZR[k] = fHitMap2->GetSignal(i,k); | |
44a312c3 | 900 | contrib = (baseline + noise*random.Gaus()); |
ece86d9a | 901 | fInZR[k] += contrib; |
e8189707 | 902 | } |
ece86d9a | 903 | for(k=0; k<fMaxNofSamples; k++) { |
44a312c3 | 904 | Double_t newcont = 0.; |
905 | Double_t maxcont = 0.; | |
ece86d9a | 906 | for(kk=0;kk<fScaleSize;kk++) { |
44a312c3 | 907 | |
ece86d9a | 908 | newcont = fInZR[fScaleSize*k+kk]; |
909 | if(newcont > maxcont) maxcont = newcont; | |
44a312c3 | 910 | |
911 | //newcont += (fInZR[fScaleSize*k+kk]/fScaleSize); | |
ece86d9a | 912 | } |
913 | newcont = maxcont; | |
44a312c3 | 914 | if (newcont >= maxadc) newcont = maxadc -1; |
915 | if(newcont >= baseline) cout << "newcont: " << newcont << endl; | |
ece86d9a | 916 | // back to analog: ? |
44a312c3 | 917 | fHitMap2->SetHit(i,k,newcont); |
ece86d9a | 918 | } |
919 | } // loop over anodes | |
920 | return; | |
921 | } // end if DoFFT | |
922 | ||
923 | for (i=0;i<fNofMaps;i++) { | |
924 | if (read && i<fNofMaps) GetAnodeBaseline(i,baseline,noise); | |
925 | for(k=0; k<fScaleSize*fMaxNofSamples; k++) { | |
926 | fInZR[k] = fHitMap2->GetSignal(i,k); | |
44a312c3 | 927 | contrib = (baseline + noise*random.Gaus()); |
ece86d9a | 928 | fInZR[k] += contrib; |
929 | fInZI[k] = 0.; | |
930 | } | |
e8189707 | 931 | FastFourierTransform(fElectronics,&fInZR[0],&fInZI[0],1); |
ece86d9a | 932 | for(k=0; k<fScaleSize*fMaxNofSamples; k++) { |
933 | Double_t rw = fElectronics->GetTraFunReal(k); | |
e8189707 | 934 | Double_t iw = fElectronics->GetTraFunImag(k); |
ece86d9a | 935 | fOutZR[k] = fInZR[k]*rw - fInZI[k]*iw; |
936 | fOutZI[k] = fInZR[k]*iw + fInZI[k]*rw; | |
e8189707 | 937 | } |
ece86d9a | 938 | FastFourierTransform(fElectronics,&fOutZR[0],&fOutZI[0],-1); |
939 | for(k=0; k<fMaxNofSamples; k++) { | |
44a312c3 | 940 | Double_t newcont1 = 0.; |
941 | Double_t maxcont1 = 0.; | |
ece86d9a | 942 | for(kk=0;kk<fScaleSize;kk++) { |
44a312c3 | 943 | |
944 | newcont1 = fOutZR[fScaleSize*k+kk]; | |
945 | if(newcont1 > maxcont1) maxcont1 = newcont1; | |
946 | ||
947 | //newcont1 += (fInZR[fScaleSize*k+kk]/fScaleSize); | |
ece86d9a | 948 | } |
44a312c3 | 949 | newcont1 = maxcont1; |
950 | //cout << "newcont1: " << newcont1 << endl; | |
951 | if (newcont1 >= maxadc) newcont1 = maxadc -1; | |
952 | fHitMap2->SetHit(i,k,newcont1); | |
ece86d9a | 953 | } |
b0f5e3fc | 954 | } // loop over anodes |
ece86d9a | 955 | return; |
956 | ||
b0f5e3fc | 957 | } |
958 | ||
959 | //____________________________________________ | |
960 | void AliITSsimulationSDD::GetAnodeBaseline(Int_t i,Float_t &baseline, | |
961 | Float_t &noise){ | |
962 | // Returns the Baseline for a particular anode. | |
963 | baseline=fBaseline[i]; | |
964 | noise=fNoise[i]; | |
965 | ||
966 | } | |
967 | ||
968 | //____________________________________________ | |
969 | void AliITSsimulationSDD::CompressionParam(Int_t i,Int_t &db,Int_t &tl, | |
970 | Int_t &th){ | |
971 | // Returns the compression alogirthm parameters | |
972 | Int_t size = fD.GetSize(); | |
973 | if (size > 2 ) { | |
974 | db=fD[i]; tl=fT1[i]; th=fT2[i]; | |
975 | } else { | |
976 | if (size <= 2 && i>=fNofMaps/2) { | |
977 | db=fD[1]; tl=fT1[1]; th=fT2[1]; | |
978 | } else { | |
979 | db=fD[0]; tl=fT1[0]; th=fT2[0]; | |
980 | } | |
981 | } | |
982 | } | |
983 | //____________________________________________ | |
984 | void AliITSsimulationSDD::CompressionParam(Int_t i,Int_t &db,Int_t &tl){ | |
985 | // returns the compression alogirthm parameters | |
986 | Int_t size = fD.GetSize(); | |
987 | if (size > 2 ) { | |
988 | db=fD[i]; tl=fT1[i]; | |
989 | } else { | |
990 | if (size <= 2 && i>=fNofMaps/2) { | |
991 | db=fD[1]; tl=fT1[1]; | |
992 | } else { | |
993 | db=fD[0]; tl=fT1[0]; | |
994 | } | |
995 | } | |
996 | ||
997 | } | |
998 | //____________________________________________ | |
999 | void AliITSsimulationSDD::SetCompressParam(){ | |
1000 | // Sets the compression alogirthm parameters | |
1001 | Int_t cp[8],i; | |
1002 | ||
1003 | fResponse->GiveCompressParam(cp); | |
e8189707 | 1004 | for (i=0; i<2; i++) { |
b0f5e3fc | 1005 | fD[i] =cp[i]; |
1006 | fT1[i] =cp[i+2]; | |
1007 | fT2[i] =cp[i+4]; | |
1008 | fTol[i]=cp[i+6]; | |
b0f5e3fc | 1009 | printf("\n i, fD, fT1, fT2, fTol %d %d %d %d %d\n", |
1010 | i,fD[i],fT1[i],fT2[i],fTol[i]); | |
b0f5e3fc | 1011 | } |
1012 | } | |
1013 | ||
1014 | //____________________________________________ | |
1015 | void AliITSsimulationSDD::ReadBaseline(){ | |
1016 | // read baseline and noise from file - either a .root file and in this | |
1017 | // case data should be organised in a tree with one entry for each | |
1018 | // module => reading should be done accordingly | |
1019 | // or a classic file and do smth. like this: | |
1020 | // | |
1021 | // Read baselines and noise for SDD | |
1022 | // | |
1023 | ||
1024 | ||
1025 | Int_t na,pos; | |
1026 | Float_t bl,n; | |
e8189707 | 1027 | char input[100], base[100], param[100]; |
b0f5e3fc | 1028 | char *filtmp; |
1029 | ||
e8189707 | 1030 | fResponse->Filenames(input,base,param); |
b0f5e3fc | 1031 | fFileName=base; |
1032 | // | |
1033 | filtmp = gSystem->ExpandPathName(fFileName.Data()); | |
1034 | FILE *bline = fopen(filtmp,"r"); | |
1035 | printf("filtmp %s\n",filtmp); | |
1036 | na = 0; | |
1037 | ||
1038 | if(bline) { | |
1039 | while(fscanf(bline,"%d %f %f",&pos, &bl, &n) != EOF) { | |
b0f5e3fc | 1040 | if (pos != na+1) { |
1041 | Error("ReadBaseline","Anode number not in increasing order!", | |
1042 | filtmp); | |
1043 | exit(1); | |
1044 | } | |
1045 | fBaseline[na]=bl; | |
1046 | fNoise[na]=n; | |
1047 | na++; | |
1048 | } | |
1049 | } else { | |
1050 | Error("ReadBaseline"," THE BASELINE FILE %s DOES NOT EXIST !", | |
1051 | filtmp); | |
1052 | exit(1); | |
1053 | } // end if(bline) | |
1054 | ||
1055 | fclose(bline); | |
1056 | delete [] filtmp; | |
b0f5e3fc | 1057 | } |
1058 | ||
1059 | //____________________________________________ | |
1060 | Int_t AliITSsimulationSDD::Convert10to8(Int_t signal) { | |
1061 | // To the 10 to 8 bit lossive compression. | |
1062 | // code from Davide C. and Albert W. | |
1063 | ||
1064 | if (signal < 128) return signal; | |
1065 | if (signal < 256) return (128+((signal-128)>>1)); | |
1066 | if (signal < 512) return (192+((signal-256)>>3)); | |
1067 | if (signal < 1024) return (224+((signal-512)>>4)); | |
1068 | return 0; | |
1069 | ||
1070 | } | |
1071 | ||
1072 | //____________________________________________ | |
1073 | Int_t AliITSsimulationSDD::Convert8to10(Int_t signal) { | |
1074 | // Undo the lossive 10 to 8 bit compression. | |
1075 | // code from Davide C. and Albert W. | |
1076 | if (signal < 0 || signal > 255) { | |
1077 | printf("<Convert8to10> out of range %d \n",signal); | |
1078 | return 0; | |
1079 | } | |
1080 | ||
1081 | if (signal < 128) return signal; | |
1082 | if (signal < 192) { | |
1083 | if (TMath::Odd(signal)) return (128+((signal-128)<<1)); | |
1084 | else return (128+((signal-128)<<1)+1); | |
1085 | } | |
1086 | if (signal < 224) { | |
1087 | if (TMath::Odd(signal)) return (256+((signal-192)<<3)+3); | |
1088 | else return (256+((signal-192)<<3)+4); | |
1089 | } | |
1090 | if (TMath::Odd(signal)) return (512+((signal-224)<<4)+7); | |
1091 | else return (512+((signal-224)<<4)+7); | |
1092 | return 0; | |
1093 | ||
1094 | } | |
1095 | ||
1096 | //____________________________________________ | |
1097 | AliITSMap* AliITSsimulationSDD::HitMap(Int_t i){ | |
1098 | //Return the correct map. | |
1099 | return ((i==0)? fHitMap1 : fHitMap2); | |
1100 | } | |
1101 | ||
1102 | ||
1103 | //____________________________________________ | |
e8189707 | 1104 | void AliITSsimulationSDD::ZeroSuppression(const char *option) { |
b0f5e3fc | 1105 | // perform the zero suppresion |
1106 | if (strstr(option,"2D")) { | |
1107 | //Init2D(); // activate if param change module by module | |
1108 | Compress2D(); | |
1109 | } else if (strstr(option,"1D")) { | |
1110 | //Init1D(); // activate if param change module by module | |
1111 | Compress1D(); | |
1112 | } else StoreAllDigits(); | |
1113 | ||
1114 | } | |
1115 | ||
1116 | //____________________________________________ | |
1117 | void AliITSsimulationSDD::Init2D(){ | |
1118 | // read in and prepare arrays: fD, fT1, fT2 | |
1119 | // savemu[nanodes], savesigma[nanodes] | |
1120 | // read baseline and noise from file - either a .root file and in this | |
1121 | // case data should be organised in a tree with one entry for each | |
1122 | // module => reading should be done accordingly | |
1123 | // or a classic file and do smth. like this ( code from Davide C. and | |
1124 | // Albert W.) : | |
1125 | // | |
1126 | // Read 2D zero-suppression parameters for SDD | |
1127 | // | |
1128 | ||
1129 | if (!strstr(fParam,"file")) return; | |
1130 | ||
1131 | Int_t na,pos,tempTh; | |
1132 | Float_t mu,sigma; | |
5d18fa90 | 1133 | Float_t *savemu = new Float_t [fNofMaps]; |
e8189707 | 1134 | Float_t *savesigma = new Float_t [fNofMaps]; |
1135 | char input[100],basel[100],par[100]; | |
b0f5e3fc | 1136 | char *filtmp; |
1137 | ||
1138 | ||
1139 | Int_t minval = fResponse->MinVal(); | |
1140 | ||
e8189707 | 1141 | fResponse->Filenames(input,basel,par); |
1142 | fFileName=par; | |
b0f5e3fc | 1143 | |
1144 | // | |
1145 | filtmp = gSystem->ExpandPathName(fFileName.Data()); | |
1146 | FILE *param = fopen(filtmp,"r"); | |
1147 | na = 0; | |
1148 | ||
1149 | if(param) { | |
1150 | while(fscanf(param,"%d %f %f",&pos, &mu, &sigma) != EOF) { | |
1151 | if (pos != na+1) { | |
1152 | Error("Init2D ","Anode number not in increasing order!", | |
1153 | filtmp); | |
1154 | exit(1); | |
1155 | } | |
1156 | savemu[na]=mu; | |
1157 | savesigma[na]=sigma; | |
1158 | if ((2.*sigma) < mu) { | |
1159 | fD[na] = (Int_t)floor(mu - 2.0*sigma + 0.5); | |
1160 | mu = 2.0 * sigma; | |
1161 | } else fD[na] = 0; | |
1162 | tempTh = (Int_t)floor(mu+2.25*sigma+0.5) - minval; | |
1163 | if (tempTh < 0) tempTh=0; | |
1164 | fT1[na] = tempTh; | |
1165 | tempTh = (Int_t)floor(mu+3.0*sigma+0.5) - minval; | |
1166 | if (tempTh < 0) tempTh=0; | |
1167 | fT2[na] = tempTh; | |
1168 | na++; | |
1169 | } // end while | |
1170 | ||
1171 | } else { | |
1172 | Error("Init2D "," THE FILE %s DOES NOT EXIST !", | |
1173 | filtmp); | |
1174 | exit(1); | |
1175 | } // end if(param) | |
1176 | ||
1177 | fclose(param); | |
1178 | delete [] filtmp; | |
5d18fa90 | 1179 | delete [] savemu; |
e8189707 | 1180 | delete [] savesigma; |
b0f5e3fc | 1181 | } |
e8189707 | 1182 | |
b0f5e3fc | 1183 | //____________________________________________ |
1184 | void AliITSsimulationSDD::Compress2D(){ | |
1185 | // | |
1186 | // simple ITS cluster finder -- online zero-suppression conditions | |
1187 | // | |
1188 | // | |
1189 | ||
b0f5e3fc | 1190 | Int_t db,tl,th; |
1191 | Int_t minval = fResponse->MinVal(); | |
1192 | Bool_t write=fResponse->OutputOption(); | |
ece86d9a | 1193 | Bool_t do10to8=fResponse->Do10to8(); |
b0f5e3fc | 1194 | |
1195 | Int_t nz, nl, nh, low, i, j; | |
1196 | ||
e8189707 | 1197 | for (i=0; i<fNofMaps; i++) { |
b0f5e3fc | 1198 | CompressionParam(i,db,tl,th); |
1199 | nz=0; | |
1200 | nl=0; | |
1201 | nh=0; | |
1202 | low=0; | |
e8189707 | 1203 | for (j=0; j<fMaxNofSamples; j++) { |
b0f5e3fc | 1204 | Int_t signal=(Int_t)(fHitMap2->GetSignal(i,j)); |
1205 | signal -= db; // if baseline eq. is done here | |
1206 | if (signal <= 0) {nz++; continue;} | |
1207 | if ((signal - tl) < minval) low++; | |
1208 | if ((signal - th) >= minval) { | |
1209 | nh++; | |
1210 | Bool_t cond=kTRUE; | |
b0f5e3fc | 1211 | FindCluster(i,j,signal,minval,cond); |
44a312c3 | 1212 | if (cond && j && ((TMath::Abs(fHitMap2->GetSignal(i,j-1))-th)>=minval)) { |
ece86d9a | 1213 | if(do10to8) signal = Convert10to8(signal); |
1214 | AddDigit(i,j,signal); | |
1215 | } | |
b0f5e3fc | 1216 | } else if ((signal - tl) >= minval) nl++; |
1217 | } // loop time samples | |
1218 | if (write) TreeB()->Fill(nz,nl,nh,low,i+1); | |
b0f5e3fc | 1219 | } // loop anodes |
1220 | ||
1221 | char hname[30]; | |
1222 | if (write) { | |
1223 | sprintf(hname,"TNtuple%d_%d",fModule,fEvent); | |
1224 | TreeB()->Write(hname); | |
1225 | // reset tree | |
1226 | TreeB()->Reset(); | |
1227 | } | |
1228 | ||
1229 | } | |
1230 | ||
1231 | //_____________________________________________________________________________ | |
1232 | void AliITSsimulationSDD::FindCluster(Int_t i,Int_t j,Int_t signal, | |
ece86d9a | 1233 | Int_t minval,Bool_t &cond){ |
b0f5e3fc | 1234 | // |
1235 | // Find clusters according to the online 2D zero-suppression algorithm | |
1236 | // | |
1237 | ||
ece86d9a | 1238 | Bool_t do10to8=fResponse->Do10to8(); |
1239 | ||
b0f5e3fc | 1240 | Bool_t high=kFALSE; |
1241 | ||
1242 | fHitMap2->FlagHit(i,j); | |
1243 | // | |
1244 | // check the online zero-suppression conditions | |
1245 | // | |
e8189707 | 1246 | const Int_t maxNeighbours = 4; |
1247 | ||
b0f5e3fc | 1248 | Int_t nn; |
1249 | Int_t dbx,tlx,thx; | |
e8189707 | 1250 | Int_t xList[maxNeighbours], yList[maxNeighbours]; |
1251 | fSegmentation->Neighbours(i,j,&nn,xList,yList); | |
ece86d9a | 1252 | Int_t in,ix,iy,qns; |
e8189707 | 1253 | for (in=0; in<nn; in++) { |
1254 | ix=xList[in]; | |
1255 | iy=yList[in]; | |
b0f5e3fc | 1256 | if (fHitMap2->TestHit(ix,iy)==kUnused) { |
1257 | CompressionParam(ix,dbx,tlx,thx); | |
1258 | Int_t qn = (Int_t)(fHitMap2->GetSignal(ix,iy)); | |
1259 | qn -= dbx; // if baseline eq. is done here | |
1260 | if ((qn-tlx) < minval) { | |
1261 | fHitMap2->FlagHit(ix,iy); | |
1262 | continue; | |
1263 | } else { | |
1264 | if ((qn - thx) >= minval) high=kTRUE; | |
1265 | if (cond) { | |
ece86d9a | 1266 | if(do10to8) signal = Convert10to8(signal); |
b0f5e3fc | 1267 | AddDigit(i,j,signal); |
1268 | } | |
ece86d9a | 1269 | if(do10to8) qns = Convert10to8(qn); |
1270 | else qns=qn; | |
b0f5e3fc | 1271 | if (!high) AddDigit(ix,iy,qns); |
1272 | cond=kFALSE; | |
1273 | if(!high) fHitMap2->FlagHit(ix,iy); | |
1274 | } | |
1275 | } // TestHit | |
1276 | } // loop over neighbours | |
1277 | ||
1278 | } | |
1279 | ||
1280 | //____________________________________________ | |
1281 | void AliITSsimulationSDD::Init1D(){ | |
1282 | // this is just a copy-paste of input taken from 2D algo | |
1283 | // Torino people should give input | |
1284 | // | |
1285 | // Read 1D zero-suppression parameters for SDD | |
1286 | // | |
1287 | ||
1288 | if (!strstr(fParam,"file")) return; | |
1289 | ||
1290 | Int_t na,pos,tempTh; | |
1291 | Float_t mu,sigma; | |
e8189707 | 1292 | Float_t *savemu = new Float_t [fNofMaps]; |
1293 | Float_t *savesigma = new Float_t [fNofMaps]; | |
1294 | char input[100],basel[100],par[100]; | |
b0f5e3fc | 1295 | char *filtmp; |
1296 | ||
1297 | ||
1298 | Int_t minval = fResponse->MinVal(); | |
e8189707 | 1299 | fResponse->Filenames(input,basel,par); |
1300 | fFileName=par; | |
b0f5e3fc | 1301 | |
1302 | // set first the disable and tol param | |
1303 | SetCompressParam(); | |
1304 | // | |
1305 | filtmp = gSystem->ExpandPathName(fFileName.Data()); | |
1306 | FILE *param = fopen(filtmp,"r"); | |
1307 | na = 0; | |
1308 | ||
1309 | if (param) { | |
1310 | fscanf(param,"%d %d %d %d ", &fT2[0], &fT2[1], &fTol[0], &fTol[1]); | |
1311 | while(fscanf(param,"%d %f %f",&pos, &mu, &sigma) != EOF) { | |
1312 | if (pos != na+1) { | |
1313 | Error("Init1D ","Anode number not in increasing order!", | |
1314 | filtmp); | |
1315 | exit(1); | |
1316 | } | |
1317 | savemu[na]=mu; | |
1318 | savesigma[na]=sigma; | |
1319 | if ((2.*sigma) < mu) { | |
1320 | fD[na] = (Int_t)floor(mu - 2.0*sigma + 0.5); | |
1321 | mu = 2.0 * sigma; | |
1322 | } else fD[na] = 0; | |
1323 | tempTh = (Int_t)floor(mu+2.25*sigma+0.5) - minval; | |
1324 | if (tempTh < 0) tempTh=0; | |
1325 | fT1[na] = tempTh; | |
1326 | na++; | |
1327 | } // end while | |
1328 | } else { | |
1329 | Error("Init1D "," THE FILE %s DOES NOT EXIST !", | |
1330 | filtmp); | |
1331 | exit(1); | |
1332 | } // end if(param) | |
1333 | ||
1334 | fclose(param); | |
1335 | delete [] filtmp; | |
749bd21a | 1336 | delete [] savemu; |
e8189707 | 1337 | delete [] savesigma; |
1338 | ||
1339 | ||
b0f5e3fc | 1340 | |
1341 | } | |
1342 | ||
1343 | //____________________________________________ | |
1344 | void AliITSsimulationSDD::Compress1D(){ | |
1345 | // 1D zero-suppression algorithm (from Gianluca A.) | |
1346 | ||
1347 | Int_t dis,tol,thres,decr,diff; | |
b0f5e3fc | 1348 | |
1349 | UChar_t *str=fStream->Stream(); | |
1350 | Int_t counter=0; | |
1351 | ||
ece86d9a | 1352 | Bool_t do10to8=fResponse->Do10to8(); |
1353 | ||
e8189707 | 1354 | Int_t last=0; |
1355 | Int_t k,i,j; | |
ece86d9a | 1356 | for (k=0; k<2; k++) { |
1357 | tol = Tolerance(k); | |
1358 | dis = Disable(k); | |
e8189707 | 1359 | for (i=0; i<fNofMaps/2; i++) { |
b0f5e3fc | 1360 | Bool_t firstSignal=kTRUE; |
ece86d9a | 1361 | Int_t idx=i+k*fNofMaps/2; |
1362 | CompressionParam(idx,decr,thres); | |
e8189707 | 1363 | for (j=0; j<fMaxNofSamples; j++) { |
ece86d9a | 1364 | Int_t signal=(Int_t)(fHitMap2->GetSignal(idx,j)); |
b0f5e3fc | 1365 | signal -= decr; // if baseline eq. |
ece86d9a | 1366 | if(do10to8) signal = Convert10to8(signal); |
1367 | if (signal <= thres) { | |
b0f5e3fc | 1368 | signal=0; |
1369 | diff=128; | |
1370 | last=0; | |
1371 | // write diff in the buffer for HuffT | |
1372 | str[counter]=(UChar_t)diff; | |
1373 | counter++; | |
1374 | continue; | |
1375 | } | |
1376 | diff=signal-last; | |
1377 | if (diff > 127) diff=127; | |
1378 | if (diff < -128) diff=-128; | |
1379 | ||
1380 | if (signal < dis) { | |
ece86d9a | 1381 | // tol has changed to 8 possible cases ? - one can write |
1382 | // this if(TMath::Abs(diff)<tol) ... else ... | |
1383 | if(TMath::Abs(diff)<tol) diff=0; | |
1384 | // or keep it as it was before | |
1385 | /* | |
b0f5e3fc | 1386 | if (tol==1 && (diff >= -2 && diff <= 1)) diff=0; |
1387 | if (tol==2 && (diff >= -4 && diff <= 3)) diff=0; | |
1388 | if (tol==3 && (diff >= -16 && diff <= 15)) diff=0; | |
ece86d9a | 1389 | */ |
1390 | AddDigit(idx,j,last+diff); | |
b0f5e3fc | 1391 | } else { |
ece86d9a | 1392 | AddDigit(idx,j,signal); |
b0f5e3fc | 1393 | } |
1394 | ||
1395 | diff += 128; | |
1396 | // write diff in the buffer used to compute Huffman tables | |
1397 | if (firstSignal) str[counter]=(UChar_t)signal; | |
1398 | else str[counter]=(UChar_t)diff; | |
1399 | counter++; | |
1400 | ||
1401 | last=signal; | |
1402 | firstSignal=kFALSE; | |
1403 | } // loop time samples | |
1404 | } // loop anodes one half of detector | |
1405 | } | |
1406 | ||
1407 | // check | |
1408 | fStream->CheckCount(counter); | |
1409 | ||
1410 | // open file and write out the stream of diff's | |
1411 | ||
1412 | static Bool_t open=kTRUE; | |
e8189707 | 1413 | static TFile *outFile; |
b0f5e3fc | 1414 | Bool_t write = fResponse->OutputOption(); |
1415 | ||
1416 | if (write ) { | |
1417 | if(open) { | |
1418 | SetFileName("stream.root"); | |
1419 | cout<<"filename "<<fFileName<<endl; | |
e8189707 | 1420 | outFile=new TFile(fFileName,"recreate"); |
b0f5e3fc | 1421 | cout<<"I have opened "<<fFileName<<" file "<<endl; |
1422 | } | |
1423 | open=kFALSE; | |
e8189707 | 1424 | outFile->cd(); |
b0f5e3fc | 1425 | fStream->Write(); |
1426 | } // endif write | |
1427 | ||
1428 | fStream->ClearStream(); | |
1429 | ||
1430 | // back to galice.root file | |
1431 | ||
1432 | TTree *fAli=gAlice->TreeK(); | |
1433 | TFile *file = 0; | |
1434 | ||
1435 | if (fAli) file =fAli->GetCurrentFile(); | |
1436 | file->cd(); | |
1437 | ||
1438 | ||
1439 | } | |
1440 | //____________________________________________ | |
1441 | void AliITSsimulationSDD::StoreAllDigits(){ | |
ece86d9a | 1442 | // if non-zero-suppressed data |
b0f5e3fc | 1443 | |
ece86d9a | 1444 | Bool_t do10to8=fResponse->Do10to8(); |
b0f5e3fc | 1445 | |
ece86d9a | 1446 | Int_t i, j, digits[3]; |
e8189707 | 1447 | for (i=0; i<fNofMaps; i++) { |
1448 | for (j=0; j<fMaxNofSamples; j++) { | |
b0f5e3fc | 1449 | Int_t signal=(Int_t)(fHitMap2->GetSignal(i,j)); |
ece86d9a | 1450 | if(do10to8) signal = Convert10to8(signal); |
1451 | if(do10to8) signal = Convert8to10(signal); | |
b0f5e3fc | 1452 | digits[0]=i; |
1453 | digits[1]=j; | |
1454 | digits[2]=signal; | |
ece86d9a | 1455 | fITS->AddRealDigit(1,digits); |
b0f5e3fc | 1456 | } |
1457 | } | |
1458 | } | |
1459 | //____________________________________________ | |
1460 | ||
ece86d9a | 1461 | void AliITSsimulationSDD::CreateHistograms(Int_t scale){ |
b0f5e3fc | 1462 | // Creates histograms of maps for debugging |
1463 | ||
1464 | Int_t i; | |
ece86d9a | 1465 | |
1466 | fHis=new TObjArray(fNofMaps); | |
e8189707 | 1467 | for (i=0;i<fNofMaps;i++) { |
a14dba92 | 1468 | TString sddName("sdd_"); |
b0f5e3fc | 1469 | Char_t candNum[4]; |
1470 | sprintf(candNum,"%d",i+1); | |
ece86d9a | 1471 | sddName.Append(candNum); |
1472 | (*fHis)[i] = new TH1F(sddName.Data(),"SDD maps", | |
1473 | scale*fMaxNofSamples,0.,(Float_t) scale*fMaxNofSamples); | |
b0f5e3fc | 1474 | } |
1475 | ||
1476 | } | |
ece86d9a | 1477 | //____________________________________________ |
1478 | void AliITSsimulationSDD::FillHistograms(){ | |
1479 | // fill 1D histograms from map | |
1480 | if (!fHis) return; | |
1481 | ||
1482 | for( Int_t i=0; i<fNofMaps; i++) { | |
1483 | TH1F *hist =(TH1F *)fHis->UncheckedAt(i); | |
1484 | Int_t nsamples = hist->GetNbinsX(); | |
1485 | for( Int_t j=0; j<nsamples; j++) { | |
1486 | Double_t signal=fHitMap2->GetSignal(i,j); | |
1487 | hist->Fill((Float_t)j,signal); | |
1488 | } | |
1489 | } | |
1490 | } | |
1491 | ||
b0f5e3fc | 1492 | //____________________________________________ |
1493 | ||
1494 | void AliITSsimulationSDD::ResetHistograms(){ | |
1495 | // | |
1496 | // Reset histograms for this detector | |
1497 | // | |
1498 | Int_t i; | |
e8189707 | 1499 | for (i=0;i<fNofMaps;i++ ) { |
b0f5e3fc | 1500 | if ((*fHis)[i]) ((TH1F*)(*fHis)[i])->Reset(); |
1501 | } | |
1502 | ||
1503 | } | |
1504 | ||
1505 | ||
1506 | //____________________________________________ | |
1507 | ||
1508 | TH1F *AliITSsimulationSDD::GetAnode(Int_t wing, Int_t anode) { | |
1509 | // Fills a histogram from a give anode. | |
1510 | if (!fHis) return 0; | |
1511 | ||
1512 | if(wing <=0 || wing > 2) { | |
1513 | cout << "Wrong wing number: " << wing << endl; | |
1514 | return NULL; | |
1515 | } | |
1516 | if(anode <=0 || anode > fNofMaps/2) { | |
1517 | cout << "Wrong anode number: " << anode << endl; | |
1518 | return NULL; | |
1519 | } | |
1520 | ||
1521 | Int_t index = (wing-1)*fNofMaps/2 + anode-1; | |
1522 | return (TH1F*)((*fHis)[index]); | |
1523 | } | |
1524 | ||
1525 | //____________________________________________ | |
1526 | ||
1527 | void AliITSsimulationSDD::WriteToFile(TFile *hfile) { | |
1528 | // Writes the histograms to a file | |
1529 | if (!fHis) return; | |
1530 | ||
1531 | hfile->cd(); | |
1532 | Int_t i; | |
1533 | for(i=0; i<fNofMaps; i++) (*fHis)[i]->Write(); //fAdcs[i]->Write(); | |
1534 | return; | |
1535 | } | |
1536 | //____________________________________________ | |
ece86d9a | 1537 | Float_t AliITSsimulationSDD::GetNoise() { |
b0f5e3fc | 1538 | // Returns the noise value |
b0f5e3fc | 1539 | |
ece86d9a | 1540 | //Bool_t do10to8=fResponse->Do10to8(); |
1541 | //noise will always be in the liniar part of the signal | |
1542 | ||
1543 | Int_t decr; | |
1544 | Int_t threshold=fT1[0]; | |
1545 | ||
1546 | char opt1[20], opt2[20]; | |
1547 | fResponse->ParamOptions(opt1,opt2); | |
1548 | fParam=opt2; | |
1549 | char *same = strstr(opt1,"same"); | |
1550 | Float_t noise,baseline; | |
1551 | if (same) { | |
1552 | fResponse->GetNoiseParam(noise,baseline); | |
1553 | } else { | |
1554 | static Bool_t readfile=kTRUE; | |
1555 | //read baseline and noise from file | |
1556 | if (readfile) ReadBaseline(); | |
1557 | readfile=kFALSE; | |
1558 | } | |
1559 | ||
1560 | TCanvas *c2 = (TCanvas*)gROOT->GetListOfCanvases()->FindObject("c2"); | |
1561 | if(c2) delete c2->GetPrimitive("noisehist"); | |
1562 | if(c2) delete c2->GetPrimitive("anode"); | |
1563 | else c2=new TCanvas("c2"); | |
1564 | c2->cd(); | |
1565 | c2->SetFillColor(0); | |
1566 | ||
1567 | TH1F *noisehist = new TH1F("noisehist","noise",100,0.,(float)2*threshold); | |
1568 | TH1F *anode = new TH1F("anode","Anode Projection",fMaxNofSamples,0.,(float)fMaxNofSamples); | |
b0f5e3fc | 1569 | Int_t i,k; |
e8189707 | 1570 | for (i=0;i<fNofMaps;i++) { |
ece86d9a | 1571 | CompressionParam(i,decr,threshold); |
1572 | if (!same) GetAnodeBaseline(i,baseline,noise); | |
1573 | anode->Reset(); | |
1574 | for (k=0;k<fMaxNofSamples;k++) { | |
1575 | Float_t signal=(Float_t)fHitMap2->GetSignal(i,k); | |
1576 | //if (signal <= (float)threshold) noisehist->Fill(signal-baseline); | |
1577 | if (signal <= (float)threshold) noisehist->Fill(signal); | |
1578 | anode->Fill((float)k,signal); | |
b0f5e3fc | 1579 | } |
ece86d9a | 1580 | anode->Draw(); |
1581 | c2->Update(); | |
b0f5e3fc | 1582 | } |
ece86d9a | 1583 | TF1 *gnoise = new TF1("gnoise","gaus",0.,threshold); |
b0f5e3fc | 1584 | noisehist->Fit("gnoise","RQ"); |
1585 | noisehist->Draw(); | |
ece86d9a | 1586 | c2->Update(); |
b0f5e3fc | 1587 | Float_t mnoise = gnoise->GetParameter(1); |
1588 | cout << "mnoise : " << mnoise << endl; | |
1589 | Float_t rnoise = gnoise->GetParameter(2); | |
1590 | cout << "rnoise : " << rnoise << endl; | |
1591 | delete noisehist; | |
1592 | return rnoise; | |
1593 | } | |
44a312c3 | 1594 | |
1595 | //____________________________________________ | |
1596 | ||
1597 | void AliITSsimulationSDD::Print() { | |
1598 | ||
1599 | // Print SDD simulation Parameters | |
1600 | ||
1601 | cout << "**************************************************" << endl; | |
1602 | cout << " Silicon Drift Detector Simulation Parameters " << endl; | |
1603 | cout << "**************************************************" << endl; | |
1604 | cout << "Flag for Perpendicular tracks: " << (Int_t) fFlag << endl; | |
1605 | cout << "Flag for noise checking: " << (Int_t) fCheckNoise << endl; | |
1606 | cout << "Flag to switch off electronics: " << (Int_t) fDoFFT << endl; | |
1607 | cout << "Number pf Anodes used: " << fNofMaps << endl; | |
1608 | cout << "Number of Time Samples: " << fMaxNofSamples << endl; | |
1609 | cout << "Scale size factor: " << fScaleSize << endl; | |
1610 | cout << "**************************************************" << endl; | |
1611 | } |