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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 | ||
ece86d9a | 22 | #include <TStopwatch.h> |
94de3818 | 23 | #include <TSystem.h> |
24 | #include <TROOT.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 | ||
e8189707 | 226 | fElectronics = new AliITSetfSDD(timeStep/fScaleSize); |
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 | |
314 | ||
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 | ||
336 | ||
e8189707 | 337 | Int_t nofAnodes=fNofMaps/2; |
b0f5e3fc | 338 | |
339 | Float_t sddLength = fSegmentation->Dx(); | |
340 | Float_t sddWidth = fSegmentation->Dz(); | |
341 | ||
342 | Int_t dummy=0; | |
343 | Float_t anodePitch = fSegmentation->Dpz(dummy); | |
344 | Float_t timeStep = fSegmentation->Dpx(dummy); | |
345 | ||
346 | Float_t driftSpeed=fResponse->DriftSpeed(); | |
347 | ||
348 | // Piergiorgio's part (apart for few variables which I made float | |
349 | // when i thought that can be done | |
350 | ||
351 | // Fill detector maps with GEANT hits | |
352 | // loop over hits in the module | |
353 | ||
e8189707 | 354 | const Float_t kconv=1.0e+6; // GeV->KeV |
b0f5e3fc | 355 | Int_t ii; |
ece86d9a | 356 | Int_t idhit=-1; |
b0f5e3fc | 357 | for(ii=0; ii<nhits; ii++) { |
358 | AliITShit *hit = (AliITShit*) fHits->At(ii); | |
b0f5e3fc | 359 | Float_t xL[3]; |
e8189707 | 360 | hit = (AliITShit*) fHits->At(ii); |
b0f5e3fc | 361 | hit->GetPositionL(xL[0],xL[1],xL[2]); |
e8189707 | 362 | Int_t hitDetector = hit->GetDetector(); |
363 | ||
ece86d9a | 364 | if(hit->StatusEntering()) idhit=ii; |
4383d7f8 | 365 | |
366 | Int_t nOfSplits = 5; | |
367 | if(fFlag) nOfSplits = 1; | |
b0f5e3fc | 368 | // Deposited energy in keV |
369 | Float_t avpath = 0.; | |
370 | Float_t avanod = 0.; | |
4383d7f8 | 371 | Float_t depEnergy = kconv*hit->GetIonization()/nOfSplits; |
b0f5e3fc | 372 | AliITShit *hit1 = 0; |
e8189707 | 373 | Float_t xL1[3]; |
4383d7f8 | 374 | if(fFlag && depEnergy != 0.) continue; |
375 | if(depEnergy == 0.) { | |
376 | ii++; | |
377 | hit1 = (AliITShit*) fHits->At(ii); | |
378 | hit1->GetPositionL(xL1[0],xL1[1],xL1[2]); | |
379 | } else { | |
380 | xL1[0] = xL[0]; | |
381 | xL1[1] = xL[1]; | |
382 | xL1[2] = xL[2]; | |
383 | } | |
384 | ||
385 | // scale path to simulate a perpendicular track | |
386 | ||
387 | if(depEnergy == 0.) depEnergy = kconv*hit1->GetIonization()/nOfSplits; | |
388 | if (fFlag) { | |
389 | 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])); | |
390 | depEnergy *= (0.03/pathInSDD); | |
391 | } | |
392 | ||
393 | for(Int_t kk=0;kk<nOfSplits;kk++) { | |
394 | Float_t avDrft = xL[0]+(xL1[0]-xL[0])*((kk+0.5)/((Float_t) nOfSplits)); | |
395 | Float_t avAnode = xL[2]+(xL1[2]-xL[2])*((kk+0.5)/((Float_t) nOfSplits)); | |
396 | Float_t driftPath = 10000.*avDrft; | |
397 | ||
398 | avpath = xL1[0]; | |
e8189707 | 399 | avanod = xL1[2]; |
400 | depEnergy = kconv*hit1->GetIonization(); | |
401 | ||
ece86d9a | 402 | // added 11.09.2000 - continue if the particle did not lose energy |
403 | // passing through detector | |
404 | if (!depEnergy) { | |
405 | printf("This particle has passed without losing energy!\n"); | |
406 | continue; | |
407 | } | |
408 | // end add | |
409 | ||
b0f5e3fc | 410 | Int_t iWing = 2; |
411 | if(driftPath < 0) { | |
412 | iWing = 1; | |
413 | driftPath = -driftPath; | |
414 | } | |
415 | driftPath = sddLength-driftPath; | |
416 | Int_t detector = 2*(hitDetector-1) + iWing; | |
417 | if(driftPath < 0) { | |
418 | cout << "Warning: negative drift path " << driftPath << endl; | |
419 | continue; | |
420 | } | |
421 | ||
422 | // Drift Time | |
423 | Float_t driftTime = driftPath/driftSpeed; | |
e8189707 | 424 | Int_t timeSample = (Int_t) (fScaleSize*driftTime/timeStep + 1); |
425 | if(timeSample > fScaleSize*fMaxNofSamples) { | |
b0f5e3fc | 426 | cout << "Warning: Wrong Time Sample: " << timeSample << endl; |
427 | continue; | |
428 | } | |
429 | ||
430 | // Anode | |
e8189707 | 431 | Float_t xAnode = 10000.*(avAnode)/anodePitch + nofAnodes/2; // +1? |
432 | if((xAnode+1)*anodePitch > sddWidth || xAnode*anodePitch < 0.) | |
b0f5e3fc | 433 | { cout << "Warning: Z = " << xAnode*anodePitch << endl; } |
434 | Int_t iAnode = (Int_t) (1.+xAnode); // xAnode? | |
e8189707 | 435 | if(iAnode < 0 || iAnode > nofAnodes) { |
b0f5e3fc | 436 | cout << "Warning: Wrong iAnode: " << iAnode << endl; |
437 | continue; | |
438 | } | |
439 | ||
440 | ||
e8189707 | 441 | // work with the idtrack=entry number in the TreeH for the moment |
ece86d9a | 442 | //Int_t idhit,idtrack; |
443 | //mod->GetHitTrackAndHitIndex(ii,idtrack,idhit); | |
e8189707 | 444 | //Int_t idtrack=mod->GetHitTrackIndex(ii); |
b0f5e3fc | 445 | // or store straight away the particle position in the array |
ece86d9a | 446 | // of particles and take idhit=ii only when part is entering (this |
447 | // requires FillModules() in the macro for analysis) : | |
e8189707 | 448 | Int_t itrack = hit->GetTrack(); |
b0f5e3fc | 449 | |
450 | // Signal 2d Shape | |
e8189707 | 451 | Float_t diffCoeff, s0; |
452 | fResponse->DiffCoeff(diffCoeff,s0); | |
b0f5e3fc | 453 | |
b0f5e3fc | 454 | // Squared Sigma along the anodes |
e8189707 | 455 | Double_t sigma2A = 2.*diffCoeff*driftTime+s0*s0; |
456 | Double_t sigmaA = TMath::Sqrt(sigma2A); | |
457 | Double_t sigmaT = sigmaA/driftSpeed; | |
b0f5e3fc | 458 | |
459 | // Peak amplitude in nanoAmpere | |
460 | Double_t eVpairs = 3.6; | |
e8189707 | 461 | Double_t amplitude = fScaleSize*160.*depEnergy/(timeStep*eVpairs*2.*acos(-1.)*sigmaT*sigmaA); |
b0f5e3fc | 462 | |
e8189707 | 463 | Float_t nsigma=fResponse->NSigmaIntegration(); |
b0f5e3fc | 464 | // Spread the charge |
465 | // Pixel index | |
466 | Int_t ja = iAnode; | |
467 | Int_t jt = timeSample; | |
468 | // Sub-pixel index | |
e8189707 | 469 | Int_t nsplit = 4; // hard-wired |
b0f5e3fc | 470 | nsplit = (nsplit+1)/2*2; |
471 | // Sub-pixel size | |
e8189707 | 472 | Double_t aStep = anodePitch/(nsplit*fScaleSize); |
473 | Double_t tStep = timeStep/(nsplit*fScaleSize); | |
b0f5e3fc | 474 | // Define SDD window corresponding to the hit |
e8189707 | 475 | Int_t anodeWindow = (Int_t) (fScaleSize*nsigma*sigmaA/anodePitch + 1); |
476 | Int_t timeWindow = (Int_t) (fScaleSize*nsigma*sigmaT/timeStep + 1); | |
477 | Int_t jamin = (ja - anodeWindow/2 - 1)*fScaleSize*nsplit + 1; | |
478 | Int_t jamax = (ja + anodeWindow/2)*fScaleSize*nsplit; | |
b0f5e3fc | 479 | if(jamin <= 0) jamin = 1; |
e8189707 | 480 | if(jamax > fScaleSize*nofAnodes*nsplit) jamax = fScaleSize*nofAnodes*nsplit; |
481 | Int_t jtmin = (jt - timeWindow*3 - 1)*nsplit + 1; //hard-wired | |
482 | Int_t jtmax = (jt + timeWindow*3)*nsplit; //hard-wired | |
b0f5e3fc | 483 | if(jtmin <= 0) jtmin = 1; |
e8189707 | 484 | if(jtmax > fScaleSize*fMaxNofSamples*nsplit) jtmax = fScaleSize*fMaxNofSamples*nsplit; |
485 | ||
b0f5e3fc | 486 | Double_t rlAnode = log(aStep*amplitude); |
e8189707 | 487 | |
b0f5e3fc | 488 | // Spread the charge in the anode-time window |
489 | Int_t ka; | |
490 | for(ka=jamin; ka <=jamax; ka++) { | |
e8189707 | 491 | Int_t ia = (ka-1)/(fScaleSize*nsplit) + 1; |
b0f5e3fc | 492 | if(ia <= 0) { cout << "Warning: ia < 1: " << endl; continue; } |
e8189707 | 493 | if(ia > nofAnodes) ia = nofAnodes; |
494 | Double_t aExpo = (aStep*(ka-0.5)-xAnode*anodePitch)/sigmaA; | |
495 | Double_t anodeAmplitude = rlAnode - 0.5*aExpo*aExpo; | |
b0f5e3fc | 496 | // Protect against overflows |
497 | if(anodeAmplitude > -87.3) | |
498 | anodeAmplitude = exp(anodeAmplitude); | |
499 | else | |
500 | anodeAmplitude = 0; | |
ece86d9a | 501 | Int_t index = ((detector+1)%2)*nofAnodes+ia-1; // index starts from 0 |
b0f5e3fc | 502 | if(anodeAmplitude) { |
503 | Double_t rlTime = log(tStep*anodeAmplitude); | |
504 | Int_t kt; | |
505 | for(kt=jtmin; kt<=jtmax; kt++) { | |
e8189707 | 506 | Int_t it = (kt-1)/nsplit+1; // it starts from 1 |
b0f5e3fc | 507 | if(it<=0) { cout << "Warning: it < 1: " << endl; continue; } |
e8189707 | 508 | if(it>fScaleSize*fMaxNofSamples) it = fScaleSize*fMaxNofSamples; |
509 | Double_t tExpo = (tStep*(kt-0.5)-driftTime)/sigmaT; | |
b0f5e3fc | 510 | Double_t timeAmplitude = rlTime - 0.5*tExpo*tExpo; |
511 | // Protect against overflows | |
e8189707 | 512 | if(timeAmplitude > -87.3){ |
b0f5e3fc | 513 | timeAmplitude = exp(timeAmplitude); |
e8189707 | 514 | } else |
b0f5e3fc | 515 | timeAmplitude = 0; |
516 | ||
b0f5e3fc | 517 | // build the list of digits for this module |
518 | arg[0]=index; | |
519 | arg[1]=it; | |
e8189707 | 520 | arg[2]=itrack; |
521 | arg[3]=idhit; | |
b0f5e3fc | 522 | ListOfFiredCells(arg,timeAmplitude,list,padr); |
523 | } // loop over time in window | |
524 | } // end if anodeAmplitude | |
525 | } // loop over anodes in window | |
4383d7f8 | 526 | } // end loop over "sub-hits" |
b0f5e3fc | 527 | } // end loop over hits |
528 | ||
b0f5e3fc | 529 | // introduce the electronics effects and do zero-suppression if required |
e8189707 | 530 | Int_t nentries=list->GetEntriesFast(); |
b0f5e3fc | 531 | if (nentries) { |
ece86d9a | 532 | |
533 | //TStopwatch timer; | |
b0f5e3fc | 534 | ChargeToSignal(); |
ece86d9a | 535 | //timer.Stop(); timer.Print(); |
b0f5e3fc | 536 | |
e8189707 | 537 | const char *kopt=fResponse->ZeroSuppOption(); |
538 | ZeroSuppression(kopt); | |
b0f5e3fc | 539 | } |
540 | ||
541 | // clean memory | |
542 | list->Delete(); | |
543 | delete list; | |
544 | ||
545 | padr->Delete(); | |
546 | ||
547 | fHitMap1->ClearMap(); | |
548 | fHitMap2->ClearMap(); | |
549 | ||
550 | //gObjectTable->Print(); | |
551 | } | |
552 | ||
553 | ||
554 | //____________________________________________ | |
555 | ||
556 | void AliITSsimulationSDD::ListOfFiredCells(Int_t *arg,Double_t timeAmplitude, | |
557 | TObjArray *list,TClonesArray *padr){ | |
558 | // Returns the list of "fired" cells. | |
559 | ||
560 | Int_t index=arg[0]; | |
e8189707 | 561 | Int_t ik=arg[1]; |
b0f5e3fc | 562 | Int_t idtrack=arg[2]; |
e8189707 | 563 | Int_t idhit=arg[3]; |
564 | Int_t counter=arg[4]; | |
565 | Int_t countadr=arg[5]; | |
b0f5e3fc | 566 | |
e8189707 | 567 | Double_t charge=timeAmplitude; |
568 | charge += fHitMap2->GetSignal(index,ik-1); | |
569 | fHitMap2->SetHit(index, ik-1, charge); | |
b0f5e3fc | 570 | |
e8189707 | 571 | Int_t digits[3]; |
572 | Int_t it=(Int_t)((ik-1)/fScaleSize); | |
573 | ||
b0f5e3fc | 574 | digits[0]=index; |
e8189707 | 575 | digits[1]=it; |
b0f5e3fc | 576 | digits[2]=(Int_t)timeAmplitude; |
577 | Float_t phys; | |
578 | if (idtrack >= 0) phys=(Float_t)timeAmplitude; | |
579 | else phys=0; | |
580 | ||
e8189707 | 581 | Double_t cellcharge=0.; |
b0f5e3fc | 582 | AliITSTransientDigit* pdigit; |
583 | // build the list of fired cells and update the info | |
e8189707 | 584 | if (!fHitMap1->TestHit(index, it)) { |
b0f5e3fc | 585 | |
e8189707 | 586 | new((*padr)[countadr++]) TVector(3); |
b0f5e3fc | 587 | TVector &trinfo=*((TVector*) (*padr)[countadr-1]); |
588 | trinfo(0)=(Float_t)idtrack; | |
e8189707 | 589 | trinfo(1)=(Float_t)idhit; |
590 | trinfo(2)=(Float_t)timeAmplitude; | |
b0f5e3fc | 591 | |
592 | list->AddAtAndExpand( | |
593 | new AliITSTransientDigit(phys,digits),counter); | |
594 | ||
e8189707 | 595 | fHitMap1->SetHit(index, it, counter); |
b0f5e3fc | 596 | counter++; |
b0f5e3fc | 597 | pdigit=(AliITSTransientDigit*)list-> |
598 | At(list->GetLast()); | |
599 | // list of tracks | |
600 | TObjArray *trlist=(TObjArray*)pdigit->TrackList(); | |
601 | trlist->Add(&trinfo); | |
602 | ||
603 | } else { | |
604 | pdigit= | |
e8189707 | 605 | (AliITSTransientDigit*) fHitMap1->GetHit(index, it); |
606 | for(Int_t kk=0;kk<fScaleSize;kk++) { | |
607 | cellcharge += fHitMap2->GetSignal(index,fScaleSize*it+kk); | |
608 | } | |
b0f5e3fc | 609 | // update charge |
e8189707 | 610 | (*pdigit).fSignal=(Int_t)cellcharge; |
b0f5e3fc | 611 | (*pdigit).fPhysics+=phys; |
612 | // update list of tracks | |
613 | TObjArray* trlist=(TObjArray*)pdigit->TrackList(); | |
614 | Int_t lastentry=trlist->GetLast(); | |
615 | TVector *ptrkp=(TVector*)trlist->At(lastentry); | |
616 | TVector &trinfo=*ptrkp; | |
617 | Int_t lasttrack=Int_t(trinfo(0)); | |
ece86d9a | 618 | //Int_t lasthit=Int_t(trinfo(1)); |
e8189707 | 619 | Float_t lastcharge=(trinfo(2)); |
b0f5e3fc | 620 | |
621 | if (lasttrack==idtrack ) { | |
622 | lastcharge+=(Float_t)timeAmplitude; | |
623 | trlist->RemoveAt(lastentry); | |
624 | trinfo(0)=lasttrack; | |
ece86d9a | 625 | //trinfo(1)=lasthit; // or idhit |
626 | trinfo(1)=idhit; | |
e8189707 | 627 | trinfo(2)=lastcharge; |
b0f5e3fc | 628 | trlist->AddAt(&trinfo,lastentry); |
629 | } else { | |
630 | ||
e8189707 | 631 | new((*padr)[countadr++]) TVector(3); |
b0f5e3fc | 632 | TVector &trinfo=*((TVector*) (*padr)[countadr-1]); |
633 | trinfo(0)=(Float_t)idtrack; | |
e8189707 | 634 | trinfo(1)=(Float_t)idhit; |
635 | trinfo(2)=(Float_t)timeAmplitude; | |
b0f5e3fc | 636 | |
637 | trlist->Add(&trinfo); | |
638 | } | |
639 | ||
640 | #ifdef print | |
641 | // check the track list - debugging | |
e8189707 | 642 | Int_t trk[20], htrk[20]; |
643 | Float_t chtrk[20]; | |
b0f5e3fc | 644 | Int_t nptracks=trlist->GetEntriesFast(); |
645 | if (nptracks > 2) { | |
646 | Int_t tr; | |
e8189707 | 647 | for (tr=0;tr<nptracks;tr++) { |
b0f5e3fc | 648 | TVector *pptrkp=(TVector*)trlist->At(tr); |
649 | TVector &pptrk=*pptrkp; | |
650 | trk[tr]=Int_t(pptrk(0)); | |
e8189707 | 651 | htrk[tr]=Int_t(pptrk(1)); |
652 | chtrk[tr]=(pptrk(2)); | |
b0f5e3fc | 653 | printf("nptracks %d \n",nptracks); |
654 | // set printings | |
655 | } | |
656 | } // end if nptracks | |
657 | #endif | |
658 | } // end if pdigit | |
659 | ||
e8189707 | 660 | arg[4]=counter; |
661 | arg[5]=countadr; | |
b0f5e3fc | 662 | |
663 | ||
664 | } | |
665 | ||
666 | ||
667 | //____________________________________________ | |
668 | ||
669 | void AliITSsimulationSDD::AddDigit(Int_t i, Int_t j, Int_t signal){ | |
670 | // Adds a Digit. | |
671 | // tag with -1 signals coming from background tracks | |
672 | // tag with -2 signals coming from pure electronic noise | |
673 | ||
e8189707 | 674 | Int_t digits[3], tracks[3], hits[3]; |
b0f5e3fc | 675 | Float_t phys, charges[3]; |
676 | ||
e8189707 | 677 | Int_t trk[20], htrk[20]; |
b0f5e3fc | 678 | Float_t chtrk[20]; |
679 | ||
ece86d9a | 680 | Bool_t do10to8=fResponse->Do10to8(); |
681 | ||
682 | if(do10to8) signal=Convert8to10(signal); | |
b0f5e3fc | 683 | AliITSTransientDigit *obj = (AliITSTransientDigit*)fHitMap1->GetHit(i,j); |
684 | digits[0]=i; | |
685 | digits[1]=j; | |
686 | digits[2]=signal; | |
b0f5e3fc | 687 | if (!obj) { |
688 | phys=0; | |
689 | Int_t k; | |
e8189707 | 690 | for (k=0;k<3;k++) { |
b0f5e3fc | 691 | tracks[k]=-2; |
692 | charges[k]=0; | |
ece86d9a | 693 | hits[k]=-1; |
b0f5e3fc | 694 | } |
e8189707 | 695 | fITS->AddSimDigit(1,phys,digits,tracks,hits,charges); |
b0f5e3fc | 696 | } else { |
697 | phys=obj->fPhysics; | |
b0f5e3fc | 698 | TObjArray* trlist=(TObjArray*)obj->TrackList(); |
699 | Int_t nptracks=trlist->GetEntriesFast(); | |
700 | ||
701 | if (nptracks > 20) { | |
702 | cout<<"Attention - nptracks > 20 "<<nptracks<<endl; | |
703 | nptracks=20; | |
704 | } | |
705 | Int_t tr; | |
e8189707 | 706 | for (tr=0;tr<nptracks;tr++) { |
b0f5e3fc | 707 | TVector &pp =*((TVector*)trlist->At(tr)); |
708 | trk[tr]=Int_t(pp(0)); | |
e8189707 | 709 | htrk[tr]=Int_t(pp(1)); |
710 | chtrk[tr]=(pp(2)); | |
b0f5e3fc | 711 | } |
712 | if (nptracks > 1) { | |
ece86d9a | 713 | //printf("nptracks > 2 -- %d\n",nptracks); |
e8189707 | 714 | SortTracks(trk,chtrk,htrk,nptracks); |
b0f5e3fc | 715 | } |
716 | Int_t i; | |
717 | if (nptracks < 3 ) { | |
e8189707 | 718 | for (i=0; i<nptracks; i++) { |
b0f5e3fc | 719 | tracks[i]=trk[i]; |
720 | charges[i]=chtrk[i]; | |
e8189707 | 721 | hits[i]=htrk[i]; |
b0f5e3fc | 722 | } |
e8189707 | 723 | for (i=nptracks; i<3; i++) { |
ece86d9a | 724 | tracks[i]=-3; |
725 | hits[i]=-1; | |
b0f5e3fc | 726 | charges[i]=0; |
727 | } | |
728 | } else { | |
e8189707 | 729 | for (i=0; i<3; i++) { |
b0f5e3fc | 730 | tracks[i]=trk[i]; |
731 | charges[i]=chtrk[i]; | |
e8189707 | 732 | hits[i]=htrk[i]; |
b0f5e3fc | 733 | } |
734 | } | |
735 | ||
e8189707 | 736 | fITS->AddSimDigit(1,phys,digits,tracks,hits,charges); |
b0f5e3fc | 737 | |
738 | } | |
739 | ||
740 | } | |
741 | ||
742 | //____________________________________________ | |
743 | ||
e8189707 | 744 | void AliITSsimulationSDD::SortTracks(Int_t *tracks,Float_t *charges,Int_t *hits,Int_t ntr){ |
b0f5e3fc | 745 | // |
746 | // Sort the list of tracks contributing to a given digit | |
747 | // Only the 3 most significant tracks are acctually sorted | |
748 | // | |
749 | ||
750 | // | |
751 | // Loop over signals, only 3 times | |
752 | // | |
753 | ||
754 | ||
755 | Float_t qmax; | |
756 | Int_t jmax; | |
757 | Int_t idx[3] = {-3,-3,-3}; | |
758 | Float_t jch[3] = {-3,-3,-3}; | |
759 | Int_t jtr[3] = {-3,-3,-3}; | |
e8189707 | 760 | Int_t jhit[3] = {-3,-3,-3}; |
b0f5e3fc | 761 | Int_t i,j,imax; |
762 | ||
763 | if (ntr<3) imax=ntr; | |
764 | else imax=3; | |
765 | for(i=0;i<imax;i++){ | |
766 | qmax=0; | |
767 | jmax=0; | |
768 | ||
769 | for(j=0;j<ntr;j++){ | |
770 | ||
771 | if((i == 1 && j == idx[i-1] ) | |
772 | ||(i == 2 && (j == idx[i-1] || j == idx[i-2]))) continue; | |
773 | ||
774 | if(charges[j] > qmax) { | |
775 | qmax = charges[j]; | |
776 | jmax=j; | |
777 | } | |
778 | } | |
779 | ||
780 | if(qmax > 0) { | |
781 | idx[i]=jmax; | |
782 | jch[i]=charges[jmax]; | |
783 | jtr[i]=tracks[jmax]; | |
e8189707 | 784 | jhit[i]=hits[jmax]; |
b0f5e3fc | 785 | } |
786 | ||
787 | } | |
788 | ||
789 | for(i=0;i<3;i++){ | |
790 | if (jtr[i] == -3) { | |
791 | charges[i]=0; | |
e8189707 | 792 | tracks[i]=-3; |
793 | hits[i]=-1; | |
b0f5e3fc | 794 | } else { |
795 | charges[i]=jch[i]; | |
796 | tracks[i]=jtr[i]; | |
ece86d9a | 797 | hits[i]=jhit[i]; |
b0f5e3fc | 798 | } |
799 | } | |
800 | ||
801 | } | |
802 | //____________________________________________ | |
803 | void AliITSsimulationSDD::ChargeToSignal() { | |
804 | // add baseline, noise, electronics and ADC saturation effects | |
805 | ||
b0f5e3fc | 806 | |
807 | Float_t maxadc = fResponse->MaxAdc(); | |
e8189707 | 808 | Float_t topValue = fResponse->MagicValue(); |
809 | Float_t norm = maxadc/topValue; | |
b0f5e3fc | 810 | |
e8189707 | 811 | char opt1[20], opt2[20]; |
b0f5e3fc | 812 | fResponse->ParamOptions(opt1,opt2); |
813 | char *read = strstr(opt1,"file"); | |
814 | ||
815 | Float_t baseline, noise; | |
816 | ||
817 | if (read) { | |
818 | static Bool_t readfile=kTRUE; | |
819 | //read baseline and noise from file | |
820 | if (readfile) ReadBaseline(); | |
821 | readfile=kFALSE; | |
822 | } else fResponse->GetNoiseParam(noise,baseline); | |
823 | ||
824 | Float_t contrib=0; | |
b0f5e3fc | 825 | |
ece86d9a | 826 | TRandom random; |
e8189707 | 827 | Int_t i,k,kk; |
ece86d9a | 828 | |
829 | if(!fDoFFT) { | |
830 | for (i=0;i<fNofMaps;i++) { | |
831 | if (read && i<fNofMaps) GetAnodeBaseline(i,baseline,noise); | |
832 | for(k=0; k<fScaleSize*fMaxNofSamples; k++) { | |
833 | fInZR[k] = fHitMap2->GetSignal(i,k); | |
834 | contrib = baseline + noise*random.Gaus(); | |
835 | fInZR[k] += contrib; | |
e8189707 | 836 | } |
ece86d9a | 837 | for(k=0; k<fMaxNofSamples; k++) { |
838 | Float_t newcont = 0.; | |
839 | Float_t maxcont = 0.; | |
840 | for(kk=0;kk<fScaleSize;kk++) { | |
841 | newcont = fInZR[fScaleSize*k+kk]; | |
842 | if(newcont > maxcont) maxcont = newcont; | |
843 | } | |
844 | newcont = maxcont; | |
845 | Double_t signal = newcont*norm; | |
846 | if (signal >= maxadc) signal = maxadc -1; | |
847 | // back to analog: ? | |
848 | signal /=norm; | |
849 | fHitMap2->SetHit(i,k,signal); | |
850 | } | |
851 | } // loop over anodes | |
852 | return; | |
853 | } // end if DoFFT | |
854 | ||
855 | for (i=0;i<fNofMaps;i++) { | |
856 | if (read && i<fNofMaps) GetAnodeBaseline(i,baseline,noise); | |
857 | for(k=0; k<fScaleSize*fMaxNofSamples; k++) { | |
858 | fInZR[k] = fHitMap2->GetSignal(i,k); | |
859 | contrib = baseline + noise*random.Gaus(); | |
860 | fInZR[k] += contrib; | |
861 | fInZI[k] = 0.; | |
862 | } | |
e8189707 | 863 | FastFourierTransform(fElectronics,&fInZR[0],&fInZI[0],1); |
ece86d9a | 864 | for(k=0; k<fScaleSize*fMaxNofSamples; k++) { |
865 | Double_t rw = fElectronics->GetTraFunReal(k); | |
e8189707 | 866 | Double_t iw = fElectronics->GetTraFunImag(k); |
ece86d9a | 867 | fOutZR[k] = fInZR[k]*rw - fInZI[k]*iw; |
868 | fOutZI[k] = fInZR[k]*iw + fInZI[k]*rw; | |
e8189707 | 869 | } |
ece86d9a | 870 | FastFourierTransform(fElectronics,&fOutZR[0],&fOutZI[0],-1); |
871 | for(k=0; k<fMaxNofSamples; k++) { | |
872 | Float_t newcont = 0.; | |
873 | //Float_t totcont = 0.; | |
874 | Float_t maxcont = 0.; | |
875 | for(kk=0;kk<fScaleSize;kk++) { | |
876 | newcont = fOutZR[fScaleSize*k+kk]; | |
877 | if(newcont > maxcont) maxcont = newcont; | |
878 | // totcont += (0.25*Out_ZR[4*k+kk]); | |
879 | } | |
880 | newcont = maxcont; | |
881 | Double_t signal = newcont*norm; | |
882 | if (signal >= maxadc) signal = maxadc -1; | |
883 | // back to analog: ? | |
884 | // comment the line below because you want to keep the signal in ADCs | |
885 | // convert back to nA in cluster finder | |
886 | signal /=norm; | |
887 | fHitMap2->SetHit(i,k,signal); | |
888 | } | |
b0f5e3fc | 889 | } // loop over anodes |
ece86d9a | 890 | return; |
891 | ||
b0f5e3fc | 892 | } |
893 | ||
894 | //____________________________________________ | |
895 | void AliITSsimulationSDD::GetAnodeBaseline(Int_t i,Float_t &baseline, | |
896 | Float_t &noise){ | |
897 | // Returns the Baseline for a particular anode. | |
898 | baseline=fBaseline[i]; | |
899 | noise=fNoise[i]; | |
900 | ||
901 | } | |
902 | ||
903 | //____________________________________________ | |
904 | void AliITSsimulationSDD::CompressionParam(Int_t i,Int_t &db,Int_t &tl, | |
905 | Int_t &th){ | |
906 | // Returns the compression alogirthm parameters | |
907 | Int_t size = fD.GetSize(); | |
908 | if (size > 2 ) { | |
909 | db=fD[i]; tl=fT1[i]; th=fT2[i]; | |
910 | } else { | |
911 | if (size <= 2 && i>=fNofMaps/2) { | |
912 | db=fD[1]; tl=fT1[1]; th=fT2[1]; | |
913 | } else { | |
914 | db=fD[0]; tl=fT1[0]; th=fT2[0]; | |
915 | } | |
916 | } | |
917 | } | |
918 | //____________________________________________ | |
919 | void AliITSsimulationSDD::CompressionParam(Int_t i,Int_t &db,Int_t &tl){ | |
920 | // returns the compression alogirthm parameters | |
921 | Int_t size = fD.GetSize(); | |
922 | if (size > 2 ) { | |
923 | db=fD[i]; tl=fT1[i]; | |
924 | } else { | |
925 | if (size <= 2 && i>=fNofMaps/2) { | |
926 | db=fD[1]; tl=fT1[1]; | |
927 | } else { | |
928 | db=fD[0]; tl=fT1[0]; | |
929 | } | |
930 | } | |
931 | ||
932 | } | |
933 | //____________________________________________ | |
934 | void AliITSsimulationSDD::SetCompressParam(){ | |
935 | // Sets the compression alogirthm parameters | |
936 | Int_t cp[8],i; | |
937 | ||
938 | fResponse->GiveCompressParam(cp); | |
e8189707 | 939 | for (i=0; i<2; i++) { |
b0f5e3fc | 940 | fD[i] =cp[i]; |
941 | fT1[i] =cp[i+2]; | |
942 | fT2[i] =cp[i+4]; | |
943 | fTol[i]=cp[i+6]; | |
b0f5e3fc | 944 | printf("\n i, fD, fT1, fT2, fTol %d %d %d %d %d\n", |
945 | i,fD[i],fT1[i],fT2[i],fTol[i]); | |
b0f5e3fc | 946 | } |
947 | } | |
948 | ||
949 | //____________________________________________ | |
950 | void AliITSsimulationSDD::ReadBaseline(){ | |
951 | // read baseline and noise from file - either a .root file and in this | |
952 | // case data should be organised in a tree with one entry for each | |
953 | // module => reading should be done accordingly | |
954 | // or a classic file and do smth. like this: | |
955 | // | |
956 | // Read baselines and noise for SDD | |
957 | // | |
958 | ||
959 | ||
960 | Int_t na,pos; | |
961 | Float_t bl,n; | |
e8189707 | 962 | char input[100], base[100], param[100]; |
b0f5e3fc | 963 | char *filtmp; |
964 | ||
e8189707 | 965 | fResponse->Filenames(input,base,param); |
b0f5e3fc | 966 | fFileName=base; |
967 | // | |
968 | filtmp = gSystem->ExpandPathName(fFileName.Data()); | |
969 | FILE *bline = fopen(filtmp,"r"); | |
970 | printf("filtmp %s\n",filtmp); | |
971 | na = 0; | |
972 | ||
973 | if(bline) { | |
974 | while(fscanf(bline,"%d %f %f",&pos, &bl, &n) != EOF) { | |
b0f5e3fc | 975 | if (pos != na+1) { |
976 | Error("ReadBaseline","Anode number not in increasing order!", | |
977 | filtmp); | |
978 | exit(1); | |
979 | } | |
980 | fBaseline[na]=bl; | |
981 | fNoise[na]=n; | |
982 | na++; | |
983 | } | |
984 | } else { | |
985 | Error("ReadBaseline"," THE BASELINE FILE %s DOES NOT EXIST !", | |
986 | filtmp); | |
987 | exit(1); | |
988 | } // end if(bline) | |
989 | ||
990 | fclose(bline); | |
991 | delete [] filtmp; | |
b0f5e3fc | 992 | } |
993 | ||
994 | //____________________________________________ | |
995 | Int_t AliITSsimulationSDD::Convert10to8(Int_t signal) { | |
996 | // To the 10 to 8 bit lossive compression. | |
997 | // code from Davide C. and Albert W. | |
998 | ||
999 | if (signal < 128) return signal; | |
1000 | if (signal < 256) return (128+((signal-128)>>1)); | |
1001 | if (signal < 512) return (192+((signal-256)>>3)); | |
1002 | if (signal < 1024) return (224+((signal-512)>>4)); | |
1003 | return 0; | |
1004 | ||
1005 | } | |
1006 | ||
1007 | //____________________________________________ | |
1008 | Int_t AliITSsimulationSDD::Convert8to10(Int_t signal) { | |
1009 | // Undo the lossive 10 to 8 bit compression. | |
1010 | // code from Davide C. and Albert W. | |
1011 | if (signal < 0 || signal > 255) { | |
1012 | printf("<Convert8to10> out of range %d \n",signal); | |
1013 | return 0; | |
1014 | } | |
1015 | ||
1016 | if (signal < 128) return signal; | |
1017 | if (signal < 192) { | |
1018 | if (TMath::Odd(signal)) return (128+((signal-128)<<1)); | |
1019 | else return (128+((signal-128)<<1)+1); | |
1020 | } | |
1021 | if (signal < 224) { | |
1022 | if (TMath::Odd(signal)) return (256+((signal-192)<<3)+3); | |
1023 | else return (256+((signal-192)<<3)+4); | |
1024 | } | |
1025 | if (TMath::Odd(signal)) return (512+((signal-224)<<4)+7); | |
1026 | else return (512+((signal-224)<<4)+7); | |
1027 | return 0; | |
1028 | ||
1029 | } | |
1030 | ||
1031 | //____________________________________________ | |
1032 | AliITSMap* AliITSsimulationSDD::HitMap(Int_t i){ | |
1033 | //Return the correct map. | |
1034 | return ((i==0)? fHitMap1 : fHitMap2); | |
1035 | } | |
1036 | ||
1037 | ||
1038 | //____________________________________________ | |
e8189707 | 1039 | void AliITSsimulationSDD::ZeroSuppression(const char *option) { |
b0f5e3fc | 1040 | // perform the zero suppresion |
1041 | if (strstr(option,"2D")) { | |
1042 | //Init2D(); // activate if param change module by module | |
1043 | Compress2D(); | |
1044 | } else if (strstr(option,"1D")) { | |
1045 | //Init1D(); // activate if param change module by module | |
1046 | Compress1D(); | |
1047 | } else StoreAllDigits(); | |
1048 | ||
1049 | } | |
1050 | ||
1051 | //____________________________________________ | |
1052 | void AliITSsimulationSDD::Init2D(){ | |
1053 | // read in and prepare arrays: fD, fT1, fT2 | |
1054 | // savemu[nanodes], savesigma[nanodes] | |
1055 | // read baseline and noise from file - either a .root file and in this | |
1056 | // case data should be organised in a tree with one entry for each | |
1057 | // module => reading should be done accordingly | |
1058 | // or a classic file and do smth. like this ( code from Davide C. and | |
1059 | // Albert W.) : | |
1060 | // | |
1061 | // Read 2D zero-suppression parameters for SDD | |
1062 | // | |
1063 | ||
1064 | if (!strstr(fParam,"file")) return; | |
1065 | ||
1066 | Int_t na,pos,tempTh; | |
1067 | Float_t mu,sigma; | |
5d18fa90 | 1068 | Float_t *savemu = new Float_t [fNofMaps]; |
e8189707 | 1069 | Float_t *savesigma = new Float_t [fNofMaps]; |
1070 | char input[100],basel[100],par[100]; | |
b0f5e3fc | 1071 | char *filtmp; |
1072 | ||
1073 | ||
1074 | Int_t minval = fResponse->MinVal(); | |
1075 | ||
e8189707 | 1076 | fResponse->Filenames(input,basel,par); |
1077 | fFileName=par; | |
b0f5e3fc | 1078 | |
1079 | // | |
1080 | filtmp = gSystem->ExpandPathName(fFileName.Data()); | |
1081 | FILE *param = fopen(filtmp,"r"); | |
1082 | na = 0; | |
1083 | ||
1084 | if(param) { | |
1085 | while(fscanf(param,"%d %f %f",&pos, &mu, &sigma) != EOF) { | |
1086 | if (pos != na+1) { | |
1087 | Error("Init2D ","Anode number not in increasing order!", | |
1088 | filtmp); | |
1089 | exit(1); | |
1090 | } | |
1091 | savemu[na]=mu; | |
1092 | savesigma[na]=sigma; | |
1093 | if ((2.*sigma) < mu) { | |
1094 | fD[na] = (Int_t)floor(mu - 2.0*sigma + 0.5); | |
1095 | mu = 2.0 * sigma; | |
1096 | } else fD[na] = 0; | |
1097 | tempTh = (Int_t)floor(mu+2.25*sigma+0.5) - minval; | |
1098 | if (tempTh < 0) tempTh=0; | |
1099 | fT1[na] = tempTh; | |
1100 | tempTh = (Int_t)floor(mu+3.0*sigma+0.5) - minval; | |
1101 | if (tempTh < 0) tempTh=0; | |
1102 | fT2[na] = tempTh; | |
1103 | na++; | |
1104 | } // end while | |
1105 | ||
1106 | } else { | |
1107 | Error("Init2D "," THE FILE %s DOES NOT EXIST !", | |
1108 | filtmp); | |
1109 | exit(1); | |
1110 | } // end if(param) | |
1111 | ||
1112 | fclose(param); | |
1113 | delete [] filtmp; | |
5d18fa90 | 1114 | delete [] savemu; |
e8189707 | 1115 | delete [] savesigma; |
b0f5e3fc | 1116 | } |
e8189707 | 1117 | |
b0f5e3fc | 1118 | //____________________________________________ |
1119 | void AliITSsimulationSDD::Compress2D(){ | |
1120 | // | |
1121 | // simple ITS cluster finder -- online zero-suppression conditions | |
1122 | // | |
1123 | // | |
1124 | ||
b0f5e3fc | 1125 | Int_t db,tl,th; |
1126 | Int_t minval = fResponse->MinVal(); | |
1127 | Bool_t write=fResponse->OutputOption(); | |
ece86d9a | 1128 | Bool_t do10to8=fResponse->Do10to8(); |
b0f5e3fc | 1129 | |
1130 | Int_t nz, nl, nh, low, i, j; | |
1131 | ||
e8189707 | 1132 | for (i=0; i<fNofMaps; i++) { |
b0f5e3fc | 1133 | CompressionParam(i,db,tl,th); |
1134 | nz=0; | |
1135 | nl=0; | |
1136 | nh=0; | |
1137 | low=0; | |
e8189707 | 1138 | for (j=0; j<fMaxNofSamples; j++) { |
b0f5e3fc | 1139 | Int_t signal=(Int_t)(fHitMap2->GetSignal(i,j)); |
1140 | signal -= db; // if baseline eq. is done here | |
1141 | if (signal <= 0) {nz++; continue;} | |
1142 | if ((signal - tl) < minval) low++; | |
1143 | if ((signal - th) >= minval) { | |
1144 | nh++; | |
1145 | Bool_t cond=kTRUE; | |
b0f5e3fc | 1146 | FindCluster(i,j,signal,minval,cond); |
ece86d9a | 1147 | if (cond && ((TMath::Abs(fHitMap2->GetSignal(i,j-1))-th)>=minval)) { |
1148 | if(do10to8) signal = Convert10to8(signal); | |
1149 | AddDigit(i,j,signal); | |
1150 | } | |
b0f5e3fc | 1151 | } else if ((signal - tl) >= minval) nl++; |
1152 | } // loop time samples | |
1153 | if (write) TreeB()->Fill(nz,nl,nh,low,i+1); | |
b0f5e3fc | 1154 | } // loop anodes |
1155 | ||
1156 | char hname[30]; | |
1157 | if (write) { | |
1158 | sprintf(hname,"TNtuple%d_%d",fModule,fEvent); | |
1159 | TreeB()->Write(hname); | |
1160 | // reset tree | |
1161 | TreeB()->Reset(); | |
1162 | } | |
1163 | ||
1164 | } | |
1165 | ||
1166 | //_____________________________________________________________________________ | |
1167 | void AliITSsimulationSDD::FindCluster(Int_t i,Int_t j,Int_t signal, | |
ece86d9a | 1168 | Int_t minval,Bool_t &cond){ |
b0f5e3fc | 1169 | // |
1170 | // Find clusters according to the online 2D zero-suppression algorithm | |
1171 | // | |
1172 | ||
ece86d9a | 1173 | Bool_t do10to8=fResponse->Do10to8(); |
1174 | ||
b0f5e3fc | 1175 | Bool_t high=kFALSE; |
1176 | ||
1177 | fHitMap2->FlagHit(i,j); | |
1178 | // | |
1179 | // check the online zero-suppression conditions | |
1180 | // | |
e8189707 | 1181 | const Int_t maxNeighbours = 4; |
1182 | ||
b0f5e3fc | 1183 | Int_t nn; |
1184 | Int_t dbx,tlx,thx; | |
e8189707 | 1185 | Int_t xList[maxNeighbours], yList[maxNeighbours]; |
1186 | fSegmentation->Neighbours(i,j,&nn,xList,yList); | |
ece86d9a | 1187 | Int_t in,ix,iy,qns; |
e8189707 | 1188 | for (in=0; in<nn; in++) { |
1189 | ix=xList[in]; | |
1190 | iy=yList[in]; | |
b0f5e3fc | 1191 | if (fHitMap2->TestHit(ix,iy)==kUnused) { |
1192 | CompressionParam(ix,dbx,tlx,thx); | |
1193 | Int_t qn = (Int_t)(fHitMap2->GetSignal(ix,iy)); | |
1194 | qn -= dbx; // if baseline eq. is done here | |
1195 | if ((qn-tlx) < minval) { | |
1196 | fHitMap2->FlagHit(ix,iy); | |
1197 | continue; | |
1198 | } else { | |
1199 | if ((qn - thx) >= minval) high=kTRUE; | |
1200 | if (cond) { | |
ece86d9a | 1201 | if(do10to8) signal = Convert10to8(signal); |
b0f5e3fc | 1202 | AddDigit(i,j,signal); |
1203 | } | |
ece86d9a | 1204 | if(do10to8) qns = Convert10to8(qn); |
1205 | else qns=qn; | |
b0f5e3fc | 1206 | if (!high) AddDigit(ix,iy,qns); |
1207 | cond=kFALSE; | |
1208 | if(!high) fHitMap2->FlagHit(ix,iy); | |
1209 | } | |
1210 | } // TestHit | |
1211 | } // loop over neighbours | |
1212 | ||
1213 | } | |
1214 | ||
1215 | //____________________________________________ | |
1216 | void AliITSsimulationSDD::Init1D(){ | |
1217 | // this is just a copy-paste of input taken from 2D algo | |
1218 | // Torino people should give input | |
1219 | // | |
1220 | // Read 1D zero-suppression parameters for SDD | |
1221 | // | |
1222 | ||
1223 | if (!strstr(fParam,"file")) return; | |
1224 | ||
1225 | Int_t na,pos,tempTh; | |
1226 | Float_t mu,sigma; | |
e8189707 | 1227 | Float_t *savemu = new Float_t [fNofMaps]; |
1228 | Float_t *savesigma = new Float_t [fNofMaps]; | |
1229 | char input[100],basel[100],par[100]; | |
b0f5e3fc | 1230 | char *filtmp; |
1231 | ||
1232 | ||
1233 | Int_t minval = fResponse->MinVal(); | |
e8189707 | 1234 | fResponse->Filenames(input,basel,par); |
1235 | fFileName=par; | |
b0f5e3fc | 1236 | |
1237 | // set first the disable and tol param | |
1238 | SetCompressParam(); | |
1239 | // | |
1240 | filtmp = gSystem->ExpandPathName(fFileName.Data()); | |
1241 | FILE *param = fopen(filtmp,"r"); | |
1242 | na = 0; | |
1243 | ||
1244 | if (param) { | |
1245 | fscanf(param,"%d %d %d %d ", &fT2[0], &fT2[1], &fTol[0], &fTol[1]); | |
1246 | while(fscanf(param,"%d %f %f",&pos, &mu, &sigma) != EOF) { | |
1247 | if (pos != na+1) { | |
1248 | Error("Init1D ","Anode number not in increasing order!", | |
1249 | filtmp); | |
1250 | exit(1); | |
1251 | } | |
1252 | savemu[na]=mu; | |
1253 | savesigma[na]=sigma; | |
1254 | if ((2.*sigma) < mu) { | |
1255 | fD[na] = (Int_t)floor(mu - 2.0*sigma + 0.5); | |
1256 | mu = 2.0 * sigma; | |
1257 | } else fD[na] = 0; | |
1258 | tempTh = (Int_t)floor(mu+2.25*sigma+0.5) - minval; | |
1259 | if (tempTh < 0) tempTh=0; | |
1260 | fT1[na] = tempTh; | |
1261 | na++; | |
1262 | } // end while | |
1263 | } else { | |
1264 | Error("Init1D "," THE FILE %s DOES NOT EXIST !", | |
1265 | filtmp); | |
1266 | exit(1); | |
1267 | } // end if(param) | |
1268 | ||
1269 | fclose(param); | |
1270 | delete [] filtmp; | |
749bd21a | 1271 | delete [] savemu; |
e8189707 | 1272 | delete [] savesigma; |
1273 | ||
1274 | ||
b0f5e3fc | 1275 | |
1276 | } | |
1277 | ||
1278 | //____________________________________________ | |
1279 | void AliITSsimulationSDD::Compress1D(){ | |
1280 | // 1D zero-suppression algorithm (from Gianluca A.) | |
1281 | ||
1282 | Int_t dis,tol,thres,decr,diff; | |
b0f5e3fc | 1283 | |
1284 | UChar_t *str=fStream->Stream(); | |
1285 | Int_t counter=0; | |
1286 | ||
ece86d9a | 1287 | Bool_t do10to8=fResponse->Do10to8(); |
1288 | ||
e8189707 | 1289 | Int_t last=0; |
1290 | Int_t k,i,j; | |
ece86d9a | 1291 | for (k=0; k<2; k++) { |
1292 | tol = Tolerance(k); | |
1293 | dis = Disable(k); | |
e8189707 | 1294 | for (i=0; i<fNofMaps/2; i++) { |
b0f5e3fc | 1295 | Bool_t firstSignal=kTRUE; |
ece86d9a | 1296 | Int_t idx=i+k*fNofMaps/2; |
1297 | CompressionParam(idx,decr,thres); | |
e8189707 | 1298 | for (j=0; j<fMaxNofSamples; j++) { |
ece86d9a | 1299 | Int_t signal=(Int_t)(fHitMap2->GetSignal(idx,j)); |
b0f5e3fc | 1300 | signal -= decr; // if baseline eq. |
ece86d9a | 1301 | if(do10to8) signal = Convert10to8(signal); |
1302 | if (signal <= thres) { | |
b0f5e3fc | 1303 | signal=0; |
1304 | diff=128; | |
1305 | last=0; | |
1306 | // write diff in the buffer for HuffT | |
1307 | str[counter]=(UChar_t)diff; | |
1308 | counter++; | |
1309 | continue; | |
1310 | } | |
1311 | diff=signal-last; | |
1312 | if (diff > 127) diff=127; | |
1313 | if (diff < -128) diff=-128; | |
1314 | ||
1315 | if (signal < dis) { | |
ece86d9a | 1316 | // tol has changed to 8 possible cases ? - one can write |
1317 | // this if(TMath::Abs(diff)<tol) ... else ... | |
1318 | if(TMath::Abs(diff)<tol) diff=0; | |
1319 | // or keep it as it was before | |
1320 | /* | |
b0f5e3fc | 1321 | if (tol==1 && (diff >= -2 && diff <= 1)) diff=0; |
1322 | if (tol==2 && (diff >= -4 && diff <= 3)) diff=0; | |
1323 | if (tol==3 && (diff >= -16 && diff <= 15)) diff=0; | |
ece86d9a | 1324 | */ |
1325 | AddDigit(idx,j,last+diff); | |
b0f5e3fc | 1326 | } else { |
ece86d9a | 1327 | AddDigit(idx,j,signal); |
b0f5e3fc | 1328 | } |
1329 | ||
1330 | diff += 128; | |
1331 | // write diff in the buffer used to compute Huffman tables | |
1332 | if (firstSignal) str[counter]=(UChar_t)signal; | |
1333 | else str[counter]=(UChar_t)diff; | |
1334 | counter++; | |
1335 | ||
1336 | last=signal; | |
1337 | firstSignal=kFALSE; | |
1338 | } // loop time samples | |
1339 | } // loop anodes one half of detector | |
1340 | } | |
1341 | ||
1342 | // check | |
1343 | fStream->CheckCount(counter); | |
1344 | ||
1345 | // open file and write out the stream of diff's | |
1346 | ||
1347 | static Bool_t open=kTRUE; | |
e8189707 | 1348 | static TFile *outFile; |
b0f5e3fc | 1349 | Bool_t write = fResponse->OutputOption(); |
1350 | ||
1351 | if (write ) { | |
1352 | if(open) { | |
1353 | SetFileName("stream.root"); | |
1354 | cout<<"filename "<<fFileName<<endl; | |
e8189707 | 1355 | outFile=new TFile(fFileName,"recreate"); |
b0f5e3fc | 1356 | cout<<"I have opened "<<fFileName<<" file "<<endl; |
1357 | } | |
1358 | open=kFALSE; | |
e8189707 | 1359 | outFile->cd(); |
b0f5e3fc | 1360 | fStream->Write(); |
1361 | } // endif write | |
1362 | ||
1363 | fStream->ClearStream(); | |
1364 | ||
1365 | // back to galice.root file | |
1366 | ||
1367 | TTree *fAli=gAlice->TreeK(); | |
1368 | TFile *file = 0; | |
1369 | ||
1370 | if (fAli) file =fAli->GetCurrentFile(); | |
1371 | file->cd(); | |
1372 | ||
1373 | ||
1374 | } | |
1375 | //____________________________________________ | |
1376 | void AliITSsimulationSDD::StoreAllDigits(){ | |
ece86d9a | 1377 | // if non-zero-suppressed data |
b0f5e3fc | 1378 | |
ece86d9a | 1379 | Bool_t do10to8=fResponse->Do10to8(); |
b0f5e3fc | 1380 | |
ece86d9a | 1381 | Int_t i, j, digits[3]; |
e8189707 | 1382 | for (i=0; i<fNofMaps; i++) { |
1383 | for (j=0; j<fMaxNofSamples; j++) { | |
b0f5e3fc | 1384 | Int_t signal=(Int_t)(fHitMap2->GetSignal(i,j)); |
ece86d9a | 1385 | if(do10to8) signal = Convert10to8(signal); |
1386 | if(do10to8) signal = Convert8to10(signal); | |
b0f5e3fc | 1387 | digits[0]=i; |
1388 | digits[1]=j; | |
1389 | digits[2]=signal; | |
ece86d9a | 1390 | fITS->AddRealDigit(1,digits); |
b0f5e3fc | 1391 | } |
1392 | } | |
1393 | } | |
1394 | //____________________________________________ | |
1395 | ||
ece86d9a | 1396 | void AliITSsimulationSDD::CreateHistograms(Int_t scale){ |
b0f5e3fc | 1397 | // Creates histograms of maps for debugging |
1398 | ||
1399 | Int_t i; | |
ece86d9a | 1400 | |
1401 | fHis=new TObjArray(fNofMaps); | |
1402 | TString sddName("sdd_"); | |
e8189707 | 1403 | for (i=0;i<fNofMaps;i++) { |
b0f5e3fc | 1404 | Char_t candNum[4]; |
1405 | sprintf(candNum,"%d",i+1); | |
ece86d9a | 1406 | sddName.Append(candNum); |
1407 | (*fHis)[i] = new TH1F(sddName.Data(),"SDD maps", | |
1408 | scale*fMaxNofSamples,0.,(Float_t) scale*fMaxNofSamples); | |
b0f5e3fc | 1409 | } |
1410 | ||
1411 | } | |
ece86d9a | 1412 | //____________________________________________ |
1413 | void AliITSsimulationSDD::FillHistograms(){ | |
1414 | // fill 1D histograms from map | |
1415 | if (!fHis) return; | |
1416 | ||
1417 | for( Int_t i=0; i<fNofMaps; i++) { | |
1418 | TH1F *hist =(TH1F *)fHis->UncheckedAt(i); | |
1419 | Int_t nsamples = hist->GetNbinsX(); | |
1420 | for( Int_t j=0; j<nsamples; j++) { | |
1421 | Double_t signal=fHitMap2->GetSignal(i,j); | |
1422 | hist->Fill((Float_t)j,signal); | |
1423 | } | |
1424 | } | |
1425 | } | |
1426 | ||
b0f5e3fc | 1427 | //____________________________________________ |
1428 | ||
1429 | void AliITSsimulationSDD::ResetHistograms(){ | |
1430 | // | |
1431 | // Reset histograms for this detector | |
1432 | // | |
1433 | Int_t i; | |
e8189707 | 1434 | for (i=0;i<fNofMaps;i++ ) { |
b0f5e3fc | 1435 | if ((*fHis)[i]) ((TH1F*)(*fHis)[i])->Reset(); |
1436 | } | |
1437 | ||
1438 | } | |
1439 | ||
1440 | ||
1441 | //____________________________________________ | |
1442 | ||
1443 | TH1F *AliITSsimulationSDD::GetAnode(Int_t wing, Int_t anode) { | |
1444 | // Fills a histogram from a give anode. | |
1445 | if (!fHis) return 0; | |
1446 | ||
1447 | if(wing <=0 || wing > 2) { | |
1448 | cout << "Wrong wing number: " << wing << endl; | |
1449 | return NULL; | |
1450 | } | |
1451 | if(anode <=0 || anode > fNofMaps/2) { | |
1452 | cout << "Wrong anode number: " << anode << endl; | |
1453 | return NULL; | |
1454 | } | |
1455 | ||
1456 | Int_t index = (wing-1)*fNofMaps/2 + anode-1; | |
1457 | return (TH1F*)((*fHis)[index]); | |
1458 | } | |
1459 | ||
1460 | //____________________________________________ | |
1461 | ||
1462 | void AliITSsimulationSDD::WriteToFile(TFile *hfile) { | |
1463 | // Writes the histograms to a file | |
1464 | if (!fHis) return; | |
1465 | ||
1466 | hfile->cd(); | |
1467 | Int_t i; | |
1468 | for(i=0; i<fNofMaps; i++) (*fHis)[i]->Write(); //fAdcs[i]->Write(); | |
1469 | return; | |
1470 | } | |
1471 | //____________________________________________ | |
ece86d9a | 1472 | Float_t AliITSsimulationSDD::GetNoise() { |
b0f5e3fc | 1473 | // Returns the noise value |
b0f5e3fc | 1474 | |
ece86d9a | 1475 | //Bool_t do10to8=fResponse->Do10to8(); |
1476 | //noise will always be in the liniar part of the signal | |
1477 | ||
1478 | Int_t decr; | |
1479 | Int_t threshold=fT1[0]; | |
1480 | ||
1481 | char opt1[20], opt2[20]; | |
1482 | fResponse->ParamOptions(opt1,opt2); | |
1483 | fParam=opt2; | |
1484 | char *same = strstr(opt1,"same"); | |
1485 | Float_t noise,baseline; | |
1486 | if (same) { | |
1487 | fResponse->GetNoiseParam(noise,baseline); | |
1488 | } else { | |
1489 | static Bool_t readfile=kTRUE; | |
1490 | //read baseline and noise from file | |
1491 | if (readfile) ReadBaseline(); | |
1492 | readfile=kFALSE; | |
1493 | } | |
1494 | ||
1495 | TCanvas *c2 = (TCanvas*)gROOT->GetListOfCanvases()->FindObject("c2"); | |
1496 | if(c2) delete c2->GetPrimitive("noisehist"); | |
1497 | if(c2) delete c2->GetPrimitive("anode"); | |
1498 | else c2=new TCanvas("c2"); | |
1499 | c2->cd(); | |
1500 | c2->SetFillColor(0); | |
1501 | ||
1502 | TH1F *noisehist = new TH1F("noisehist","noise",100,0.,(float)2*threshold); | |
1503 | TH1F *anode = new TH1F("anode","Anode Projection",fMaxNofSamples,0.,(float)fMaxNofSamples); | |
b0f5e3fc | 1504 | Int_t i,k; |
e8189707 | 1505 | for (i=0;i<fNofMaps;i++) { |
ece86d9a | 1506 | CompressionParam(i,decr,threshold); |
1507 | if (!same) GetAnodeBaseline(i,baseline,noise); | |
1508 | anode->Reset(); | |
1509 | for (k=0;k<fMaxNofSamples;k++) { | |
1510 | Float_t signal=(Float_t)fHitMap2->GetSignal(i,k); | |
1511 | //if (signal <= (float)threshold) noisehist->Fill(signal-baseline); | |
1512 | if (signal <= (float)threshold) noisehist->Fill(signal); | |
1513 | anode->Fill((float)k,signal); | |
b0f5e3fc | 1514 | } |
ece86d9a | 1515 | anode->Draw(); |
1516 | c2->Update(); | |
b0f5e3fc | 1517 | } |
ece86d9a | 1518 | TF1 *gnoise = new TF1("gnoise","gaus",0.,threshold); |
b0f5e3fc | 1519 | noisehist->Fit("gnoise","RQ"); |
1520 | noisehist->Draw(); | |
ece86d9a | 1521 | c2->Update(); |
b0f5e3fc | 1522 | Float_t mnoise = gnoise->GetParameter(1); |
1523 | cout << "mnoise : " << mnoise << endl; | |
1524 | Float_t rnoise = gnoise->GetParameter(2); | |
1525 | cout << "rnoise : " << rnoise << endl; | |
1526 | delete noisehist; | |
1527 | return rnoise; | |
1528 | } |