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b0f5e3fc | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | ||
b0f5e3fc | 16 | #include <iostream.h> |
17 | #include <stdlib.h> | |
18 | #include <stdio.h> | |
1ca7869b | 19 | #include <string.h> |
20 | ||
94de3818 | 21 | #include <TSystem.h> |
22 | #include <TROOT.h> | |
608f25d8 | 23 | #include <TStopwatch.h> |
ece86d9a | 24 | #include <TCanvas.h> |
25 | #include <TF1.h> | |
26 | #include <TRandom.h> | |
1ca7869b | 27 | #include <TH1.h> |
28 | #include <TFile.h> | |
29 | #include <TVector.h> | |
30 | #include <TArrayI.h> | |
31 | #include <TArrayF.h> | |
ece86d9a | 32 | |
b0f5e3fc | 33 | #include "AliRun.h" |
e8189707 | 34 | #include "AliITS.h" |
ece86d9a | 35 | #include "AliITShit.h" |
36 | #include "AliITSdigit.h" | |
37 | #include "AliITSmodule.h" | |
c7a4dac0 | 38 | #include "AliITSpList.h" |
e8189707 | 39 | #include "AliITSMapA1.h" |
40 | #include "AliITSMapA2.h" | |
e8189707 | 41 | #include "AliITSetfSDD.h" |
42 | #include "AliITSRawData.h" | |
b0f5e3fc | 43 | #include "AliITSHuffman.h" |
ece86d9a | 44 | #include "AliITSsegmentation.h" |
45 | #include "AliITSresponse.h" | |
c7a4dac0 | 46 | #include "AliITSsegmentationSDD.h" |
47 | #include "AliITSresponseSDD.h" | |
1ca7869b | 48 | #include "AliITSsimulationSDD.h" |
b0f5e3fc | 49 | |
b0f5e3fc | 50 | ClassImp(AliITSsimulationSDD) |
51 | //////////////////////////////////////////////////////////////////////// | |
52 | // Version: 0 | |
53 | // Written by Piergiorgio Cerello | |
54 | // November 23 1999 | |
55 | // | |
56 | // AliITSsimulationSDD is the simulation of SDDs. | |
57 | // | |
58 | //Begin_Html | |
59 | /* | |
60 | <img src="picts/ITS/AliITShit_Class_Diagram.gif"> | |
61 | </pre> | |
62 | <br clear=left> | |
63 | <font size=+2 color=red> | |
64 | <p>This show the relasionships between the ITS hit class and the rest of Aliroot. | |
65 | </font> | |
66 | <pre> | |
67 | */ | |
68 | //End_Html | |
8a33ae9e | 69 | //______________________________________________________________________ |
b0f5e3fc | 70 | Int_t power(Int_t b, Int_t e) { |
8a33ae9e | 71 | // compute b to the e power, where both b and e are Int_ts. |
72 | Int_t power = 1,i; | |
b0f5e3fc | 73 | |
8a33ae9e | 74 | for(i=0; i<e; i++) power *= b; |
75 | return power; | |
76 | } | |
77 | //______________________________________________________________________ | |
b0f5e3fc | 78 | void FastFourierTransform(AliITSetfSDD *alisddetf,Double_t *real, |
79 | Double_t *imag,Int_t direction) { | |
8a33ae9e | 80 | // Do a Fast Fourier Transform |
8a33ae9e | 81 | |
82 | Int_t samples = alisddetf->GetSamples(); | |
83 | Int_t l = (Int_t) ((log((Float_t) samples)/log(2.))+0.5); | |
84 | Int_t m1 = samples; | |
85 | Int_t m = samples/2; | |
86 | Int_t m2 = samples/m1; | |
87 | Int_t i,j,k; | |
88 | for(i=1; i<=l; i++) { | |
89 | for(j=0; j<samples; j += m1) { | |
90 | Int_t p = 0; | |
91 | for(k=j; k<= j+m-1; k++) { | |
92 | Double_t wsr = alisddetf->GetWeightReal(p); | |
93 | Double_t wsi = alisddetf->GetWeightImag(p); | |
94 | if(direction == -1) wsi = -wsi; | |
95 | Double_t xr = *(real+k+m); | |
96 | Double_t xi = *(imag+k+m); | |
97 | *(real+k+m) = wsr*(*(real+k)-xr) - wsi*(*(imag+k)-xi); | |
98 | *(imag+k+m) = wsr*(*(imag+k)-xi) + wsi*(*(real+k)-xr); | |
99 | *(real+k) += xr; | |
100 | *(imag+k) += xi; | |
101 | p += m2; | |
102 | } // end for k | |
103 | } // end for j | |
104 | m1 = m; | |
105 | m /= 2; | |
106 | m2 += m2; | |
107 | } // end for i | |
b0f5e3fc | 108 | |
8a33ae9e | 109 | for(j=0; j<samples; j++) { |
110 | Int_t j1 = j; | |
111 | Int_t p = 0; | |
112 | Int_t i1; | |
113 | for(i1=1; i1<=l; i1++) { | |
114 | Int_t j2 = j1; | |
115 | j1 /= 2; | |
116 | p = p + p + j2 - j1 - j1; | |
117 | } // end for i1 | |
118 | if(p >= j) { | |
119 | Double_t xr = *(real+j); | |
120 | Double_t xi = *(imag+j); | |
121 | *(real+j) = *(real+p); | |
122 | *(imag+j) = *(imag+p); | |
123 | *(real+p) = xr; | |
124 | *(imag+p) = xi; | |
125 | } // end if p>=j | |
126 | } // end for j | |
127 | if(direction == -1) { | |
128 | for(i=0; i<samples; i++) { | |
129 | *(real+i) /= samples; | |
130 | *(imag+i) /= samples; | |
131 | } // end for i | |
132 | } // end if direction == -1 | |
b0f5e3fc | 133 | return; |
134 | } | |
8a33ae9e | 135 | //______________________________________________________________________ |
b0f5e3fc | 136 | AliITSsimulationSDD::AliITSsimulationSDD(){ |
8a33ae9e | 137 | // Default constructor |
138 | ||
139 | fResponse = 0; | |
140 | fSegmentation = 0; | |
141 | fHis = 0; | |
142 | fHitMap1 = 0; | |
143 | fHitMap2 = 0; | |
144 | fElectronics = 0; | |
145 | fStream = 0; | |
146 | fInZR = 0; | |
147 | fInZI = 0; | |
148 | fOutZR = 0; | |
149 | fOutZI = 0; | |
150 | fNofMaps = 0; | |
151 | fMaxNofSamples = 0; | |
152 | fITS = 0; | |
153 | fTreeB = 0; | |
154 | fD.Set(0); | |
155 | fT1.Set(0); | |
156 | fT2.Set(0); | |
157 | fTol.Set(0); | |
158 | fNoise.Set(0); | |
159 | fBaseline.Set(0); | |
160 | SetScaleFourier(); | |
161 | SetPerpendTracksFlag(); | |
162 | SetDoFFT(); | |
163 | SetCheckNoise(); | |
b0f5e3fc | 164 | } |
8a33ae9e | 165 | //______________________________________________________________________ |
166 | AliITSsimulationSDD::AliITSsimulationSDD(AliITSsimulationSDD &source){ | |
167 | // Copy constructor to satify Coding roules only. | |
168 | ||
169 | if(this==&source) return; | |
c7a4dac0 | 170 | Error("AliITSsimulationSSD","Not allowed to make a copy of " |
171 | "AliITSsimulationSDD Using default creater instead"); | |
8a33ae9e | 172 | AliITSsimulationSDD(); |
b0f5e3fc | 173 | } |
8a33ae9e | 174 | //______________________________________________________________________ |
c7a4dac0 | 175 | AliITSsimulationSDD& AliITSsimulationSDD::operator=(AliITSsimulationSDD &src){ |
8a33ae9e | 176 | // Assignment operator to satify Coding roules only. |
177 | ||
c7a4dac0 | 178 | if(this==&src) return *this; |
179 | Error("AliITSsimulationSSD","Not allowed to make a = with " | |
180 | "AliITSsimulationSDD Using default creater instead"); | |
8a33ae9e | 181 | return *this ; |
b0f5e3fc | 182 | } |
8a33ae9e | 183 | //______________________________________________________________________ |
c7a4dac0 | 184 | AliITSsimulationSDD::AliITSsimulationSDD(AliITSsegmentation *seg, |
185 | AliITSresponse *resp){ | |
186 | // Standard Constructor | |
187 | ||
188 | ||
189 | fResponse = 0; | |
190 | fSegmentation = 0; | |
191 | fHis = 0; | |
192 | fHitMap1 = 0; | |
193 | fHitMap2 = 0; | |
194 | fElectronics = 0; | |
195 | fStream = 0; | |
196 | fInZR = 0; | |
197 | fInZI = 0; | |
198 | fOutZR = 0; | |
199 | fOutZI = 0; | |
200 | fNofMaps = 0; | |
201 | fMaxNofSamples = 0; | |
202 | fITS = 0; | |
203 | fTreeB = 0; | |
204 | ||
205 | Init((AliITSsegmentationSDD*)seg,(AliITSresponseSDD*)resp); | |
206 | } | |
207 | //______________________________________________________________________ | |
208 | void AliITSsimulationSDD::Init(AliITSsegmentationSDD *seg, | |
209 | AliITSresponseSDD *resp){ | |
38867c90 | 210 | // Standard Constructor |
ece86d9a | 211 | |
38867c90 | 212 | fResponse = resp; |
213 | fSegmentation = seg; | |
214 | SetScaleFourier(); | |
215 | SetPerpendTracksFlag(); | |
216 | SetDoFFT(); | |
217 | SetCheckNoise(); | |
b0f5e3fc | 218 | |
38867c90 | 219 | fHitMap2 = new AliITSMapA2(fSegmentation,fScaleSize,1); |
220 | fHitMap1 = new AliITSMapA1(fSegmentation); | |
b0f5e3fc | 221 | |
8a33ae9e | 222 | fNofMaps = fSegmentation->Npz(); |
223 | fMaxNofSamples = fSegmentation->Npx(); | |
224 | ||
38867c90 | 225 | Float_t sddLength = fSegmentation->Dx(); |
8a33ae9e | 226 | Float_t sddWidth = fSegmentation->Dz(); |
b0f5e3fc | 227 | |
8a33ae9e | 228 | Int_t dummy = 0; |
38867c90 | 229 | Float_t anodePitch = fSegmentation->Dpz(dummy); |
8a33ae9e | 230 | Double_t timeStep = (Double_t)fSegmentation->Dpx(dummy); |
231 | Float_t driftSpeed = fResponse->DriftSpeed(); | |
b0f5e3fc | 232 | |
38867c90 | 233 | if(anodePitch*(fNofMaps/2) > sddWidth) { |
234 | Warning("AliITSsimulationSDD", | |
235 | "Too many anodes %d or too big pitch %f \n", | |
236 | fNofMaps/2,anodePitch); | |
237 | } // end if | |
b0f5e3fc | 238 | |
38867c90 | 239 | if(timeStep*fMaxNofSamples < sddLength/driftSpeed) { |
240 | Error("AliITSsimulationSDD", | |
241 | "Time Interval > Allowed Time Interval: exit\n"); | |
242 | return; | |
243 | } // end if | |
b0f5e3fc | 244 | |
38867c90 | 245 | fElectronics = new AliITSetfSDD(timeStep/fScaleSize, |
246 | fResponse->Electronics()); | |
b0f5e3fc | 247 | |
38867c90 | 248 | char opt1[20], opt2[20]; |
249 | fResponse->ParamOptions(opt1,opt2); | |
8a33ae9e | 250 | fParam = opt2; |
38867c90 | 251 | char *same = strstr(opt1,"same"); |
252 | if (same) { | |
253 | fNoise.Set(0); | |
254 | fBaseline.Set(0); | |
255 | } else { | |
256 | fNoise.Set(fNofMaps); | |
257 | fBaseline.Set(fNofMaps); | |
258 | } // end if | |
b0f5e3fc | 259 | |
38867c90 | 260 | const char *kopt=fResponse->ZeroSuppOption(); |
261 | if (strstr(fParam,"file") ) { | |
262 | fD.Set(fNofMaps); | |
263 | fT1.Set(fNofMaps); | |
264 | if (strstr(kopt,"2D")) { | |
b0f5e3fc | 265 | fT2.Set(fNofMaps); |
266 | fTol.Set(0); | |
267 | Init2D(); // desactivate if param change module by module | |
38867c90 | 268 | } else if(strstr(kopt,"1D")) { |
b0f5e3fc | 269 | fT2.Set(2); |
270 | fTol.Set(2); | |
271 | Init1D(); // desactivate if param change module by module | |
38867c90 | 272 | } // end if strstr |
273 | } else { | |
274 | fD.Set(2); | |
275 | fTol.Set(2); | |
276 | fT1.Set(2); | |
277 | fT2.Set(2); | |
278 | SetCompressParam(); | |
279 | } // end if else strstr | |
b0f5e3fc | 280 | |
8a33ae9e | 281 | Bool_t write = fResponse->OutputOption(); |
38867c90 | 282 | if(write && strstr(kopt,"2D")) MakeTreeB(); |
b0f5e3fc | 283 | |
38867c90 | 284 | // call here if baseline does not change by module |
285 | // ReadBaseline(); | |
b0f5e3fc | 286 | |
8a33ae9e | 287 | fITS = (AliITS*)gAlice->GetModule("ITS"); |
288 | Int_t size = fNofMaps*fMaxNofSamples; | |
289 | fStream = new AliITSInStream(size); | |
b0f5e3fc | 290 | |
38867c90 | 291 | fInZR = new Double_t [fScaleSize*fMaxNofSamples]; |
292 | fInZI = new Double_t [fScaleSize*fMaxNofSamples]; | |
293 | fOutZR = new Double_t [fScaleSize*fMaxNofSamples]; | |
294 | fOutZI = new Double_t [fScaleSize*fMaxNofSamples]; | |
5d18fa90 | 295 | |
b0f5e3fc | 296 | } |
8a33ae9e | 297 | //______________________________________________________________________ |
b0f5e3fc | 298 | AliITSsimulationSDD::~AliITSsimulationSDD() { |
8a33ae9e | 299 | // destructor |
300 | ||
301 | delete fHitMap1; | |
302 | delete fHitMap2; | |
303 | delete fStream; | |
304 | delete fElectronics; | |
305 | ||
8a33ae9e | 306 | fITS = 0; |
307 | ||
308 | if (fHis) { | |
309 | fHis->Delete(); | |
310 | delete fHis; | |
311 | } // end if fHis | |
312 | if(fTreeB) delete fTreeB; | |
313 | if(fInZR) delete [] fInZR; | |
314 | if(fInZI) delete [] fInZI; | |
315 | if(fOutZR) delete [] fOutZR; | |
316 | if(fOutZI) delete [] fOutZI; | |
b0f5e3fc | 317 | } |
8a33ae9e | 318 | //______________________________________________________________________ |
c7a4dac0 | 319 | void AliITSsimulationSDD::SDigitiseModule(AliITSmodule *mod,Int_t md,Int_t ev){ |
320 | // create maps to build the lists of tracks for each summable digit | |
321 | ||
322 | TObjArray *fHits = mod->GetHits(); | |
323 | Int_t nhits = fHits->GetEntriesFast(); | |
324 | fModule = md; | |
325 | fEvent = ev; | |
326 | ||
327 | if(!nhits) return; | |
328 | ||
329 | AliITSpList *pList = new AliITSpList(2*fSegmentation->Npz(), | |
330 | fScaleSize*fSegmentation->Npx()); | |
331 | ||
332 | // inputs to ListOfFiredCells. | |
333 | TObjArray *alist = new TObjArray(); | |
334 | fHitMap1->SetArray(alist); | |
335 | static TClonesArray *padr = 0; | |
336 | if(!padr) padr = new TClonesArray("TVector",1000); | |
337 | ||
338 | HitsToAnalogDigits(mod,alist,padr,pList); | |
339 | ||
340 | WriteSDigits(pList); | |
341 | ||
342 | // clean memory | |
2fa318ee | 343 | delete pList; |
c7a4dac0 | 344 | alist->Delete(); |
345 | delete alist; | |
346 | padr->Delete(); | |
347 | fHitMap1->ClearMap(); | |
348 | fHitMap2->ClearMap(); | |
349 | } | |
350 | //______________________________________________________________________ | |
b0f5e3fc | 351 | void AliITSsimulationSDD::DigitiseModule(AliITSmodule *mod,Int_t md,Int_t ev){ |
8a33ae9e | 352 | // create maps to build the lists of tracks for each digit |
b0f5e3fc | 353 | |
354 | TObjArray *fHits = mod->GetHits(); | |
8a33ae9e | 355 | Int_t nhits = fHits->GetEntriesFast(); |
356 | fModule = md; | |
357 | fEvent = ev; | |
358 | ||
ece86d9a | 359 | if (!nhits && fCheckNoise) { |
360 | ChargeToSignal(); | |
361 | GetNoise(); | |
362 | fHitMap2->ClearMap(); | |
363 | return; | |
364 | } else if (!nhits) return; | |
365 | ||
c7a4dac0 | 366 | AliITSpList *pList = new AliITSpList(2*fSegmentation->Npz(), |
367 | fScaleSize*fSegmentation->Npx()); | |
368 | ||
369 | // inputs to ListOfFiredCells. | |
370 | TObjArray *alist = new TObjArray(); | |
371 | fHitMap1->SetArray(alist); | |
372 | static TClonesArray *padr = 0; | |
373 | if(!padr) padr = new TClonesArray("TVector",1000); | |
374 | ||
375 | HitsToAnalogDigits(mod,alist,padr,pList); | |
376 | ||
377 | FinishDigits(alist); | |
378 | ||
379 | // clean memory | |
2fa318ee | 380 | delete pList; |
c7a4dac0 | 381 | alist->Delete(); |
382 | delete alist; | |
383 | padr->Delete(); | |
384 | fHitMap1->ClearMap(); | |
385 | fHitMap2->ClearMap(); | |
386 | } | |
387 | //______________________________________________________________________ | |
388 | void AliITSsimulationSDD::SDigitsToDigits(AliITSpList *pList){ | |
389 | // Take Summable digits and create Digits. | |
390 | ||
8a33ae9e | 391 | // inputs to ListOfFiredCells. |
c7a4dac0 | 392 | TObjArray *alist = new TObjArray(); |
8a33ae9e | 393 | fHitMap1->SetArray(alist); |
394 | static TClonesArray *padr = 0; | |
395 | if(!padr) padr = new TClonesArray("TVector",1000); | |
c7a4dac0 | 396 | Int_t arg[6] = {0,0,0,0,0,0}; |
397 | Double_t timeAmplitude; | |
398 | Int_t i,j; | |
399 | ||
400 | // Fill maps from pList. | |
401 | for(i=0;i<pList->GetMaxIndex();i++){ | |
402 | pList->GetMapIndex(i,arg[0],arg[1]); | |
403 | for(j=0;j<pList->GetNEnteries();j++){ | |
404 | timeAmplitude = pList->GetTSignal(arg[0],arg[1],j); | |
405 | if(timeAmplitude>0.0) continue; | |
406 | arg[2] = pList->GetTrack(arg[0],arg[1],j); | |
407 | arg[3] = pList->GetHit(arg[0],arg[1],j); | |
408 | ListOfFiredCells(arg,timeAmplitude,alist,padr); | |
409 | } // end for j | |
410 | // Make sure map has full signal in it. | |
411 | fHitMap2->SetHit(arg[0],arg[1],pList->GetSignal(arg[0],arg[1])); | |
412 | } // end for i | |
413 | ||
414 | FinishDigits(alist); | |
415 | ||
416 | // clean memory | |
417 | alist->Delete(); | |
418 | delete alist; | |
419 | padr->Delete(); | |
420 | fHitMap1->ClearMap(); | |
421 | fHitMap2->ClearMap(); | |
422 | } | |
423 | //______________________________________________________________________ | |
424 | void AliITSsimulationSDD::FinishDigits(TObjArray *alist){ | |
425 | // introduce the electronics effects and do zero-suppression if required | |
426 | Int_t nentries=alist->GetEntriesFast(); | |
8a33ae9e | 427 | |
c7a4dac0 | 428 | if(!nentries) return; |
429 | ChargeToSignal(); | |
430 | const char *kopt=fResponse->ZeroSuppOption(); | |
431 | ZeroSuppression(kopt); | |
432 | } | |
433 | //______________________________________________________________________ | |
434 | void AliITSsimulationSDD::HitsToAnalogDigits(AliITSmodule *mod,TObjArray *alst, | |
435 | TClonesArray *padr, | |
436 | AliITSpList *pList){ | |
437 | // create maps to build the lists of tracks for each digit | |
438 | ||
439 | TObjArray *fHits = mod->GetHits(); | |
440 | Int_t nhits = fHits->GetEntriesFast(); | |
441 | Int_t arg[6] = {0,0,0,0,0,0}; | |
8a33ae9e | 442 | Int_t dummy = 0; |
443 | Int_t nofAnodes = fNofMaps/2; | |
444 | Float_t sddLength = fSegmentation->Dx(); | |
445 | Float_t sddWidth = fSegmentation->Dz(); | |
446 | Float_t anodePitch = fSegmentation->Dpz(dummy); | |
447 | Float_t timeStep = fSegmentation->Dpx(dummy); | |
448 | Float_t driftSpeed = fResponse->DriftSpeed(); | |
449 | Float_t maxadc = fResponse->MaxAdc(); | |
450 | Float_t topValue = fResponse->DynamicRange(); | |
451 | Float_t cHloss = fResponse->ChargeLoss(); | |
452 | Float_t norm = maxadc/topValue; | |
453 | Float_t dfCoeff, s1; fResponse->DiffCoeff(dfCoeff,s1); // Signal 2d Shape | |
454 | Double_t eVpairs = 3.6; // electron pair energy eV. | |
455 | Float_t nsigma = fResponse->NSigmaIntegration(); // | |
456 | Int_t nlookups = fResponse->GausNLookUp(); // | |
44a312c3 | 457 | |
b0f5e3fc | 458 | // Piergiorgio's part (apart for few variables which I made float |
459 | // when i thought that can be done | |
b0f5e3fc | 460 | // Fill detector maps with GEANT hits |
461 | // loop over hits in the module | |
462 | ||
8a33ae9e | 463 | const Float_t kconv = 1.0e+6; // GeV->KeV |
464 | Int_t itrack = 0; | |
465 | Int_t hitDetector; // detector number (lay,lad,hitDetector) | |
466 | Int_t iWing; // which detector wing/side. | |
467 | Int_t detector; // 2*(detector-1)+iWing | |
468 | Int_t ii,kk,ka,kt; // loop indexs | |
469 | Int_t ia,it,index; // sub-pixel integration indexies | |
470 | Int_t iAnode; // anode number. | |
471 | Int_t timeSample; // time buckett. | |
472 | Int_t anodeWindow; // anode direction charge integration width | |
473 | Int_t timeWindow; // time direction charge integration width | |
474 | Int_t jamin,jamax; // anode charge integration window | |
475 | Int_t jtmin,jtmax; // time charge integration window | |
476 | Int_t ndiv; // Anode window division factor. | |
477 | Int_t nsplit; // the number of splits in anode and time windows==1. | |
478 | Int_t nOfSplits; // number of times track length is split into | |
479 | Float_t nOfSplitsF; // Floating point version of nOfSplits. | |
480 | Float_t kkF; // Floating point version of loop index kk. | |
481 | Float_t pathInSDD; // Track length in SDD. | |
482 | Float_t drPath; // average position of track in detector. in microns | |
483 | Float_t drTime; // Drift time | |
484 | Float_t nmul; // drift time window multiplication factor. | |
485 | Float_t avDrft; // x position of path length segment in cm. | |
486 | Float_t avAnode; // Anode for path length segment in Anode number (float) | |
487 | Float_t xAnode; // Floating point anode number. | |
488 | Float_t driftPath; // avDrft in microns. | |
489 | Float_t width; // width of signal at anodes. | |
490 | Double_t depEnergy; // Energy deposited in this GEANT step. | |
491 | Double_t xL[3],dxL[3]; // local hit coordinates and diff. | |
492 | Double_t sigA; // sigma of signal at anode. | |
493 | Double_t sigT; // sigma in time/drift direction for track segment | |
494 | Double_t aStep,aConst; // sub-pixel size and offset anode | |
495 | Double_t tStep,tConst; // sub-pixel size and offset time | |
496 | Double_t amplitude; // signal amplitude for track segment in nanoAmpere | |
497 | Double_t chargeloss; // charge loss for track segment. | |
498 | Double_t anodeAmplitude; // signal amplitude in anode direction | |
499 | Double_t aExpo; // exponent of Gaussian anode direction | |
500 | Double_t timeAmplitude; // signal amplitude in time direction | |
501 | Double_t tExpo; // exponent of Gaussian time direction | |
502 | // Double_t tof; // Time of flight in ns of this step. | |
44a312c3 | 503 | |
b0f5e3fc | 504 | for(ii=0; ii<nhits; ii++) { |
8a33ae9e | 505 | if(!mod->LineSegmentL(ii,xL[0],dxL[0],xL[1],dxL[1],xL[2],dxL[2], |
506 | depEnergy,itrack)) continue; | |
507 | depEnergy *= kconv; | |
508 | hitDetector = mod->GetDet(); | |
509 | //tof = 1.E+09*(mod->GetHit(ii)->GetTOF()); // tof in ns. | |
510 | //if(tof>sddLength/driftSpeed) continue; // hit happed too late. | |
511 | ||
512 | // scale path to simulate a perpendicular track | |
513 | // continue if the particle did not lose energy | |
514 | // passing through detector | |
515 | if (!depEnergy) { | |
c7a4dac0 | 516 | Warning("HitsToAnalogDigits", |
82136bec | 517 | "fTrack = %d hit=%d module=%d This particle has" |
518 | " passed without losing energy!", | |
519 | itrack,ii,mod->GetIndex()); | |
8a33ae9e | 520 | continue; |
521 | } // end if !depEnergy | |
522 | ||
523 | pathInSDD = TMath::Sqrt(dxL[0]*dxL[0]+dxL[1]*dxL[1]+dxL[2]*dxL[2]); | |
524 | ||
525 | if (fFlag && pathInSDD) { depEnergy *= (0.03/pathInSDD); } | |
526 | drPath = 10000.*(dxL[0]+2.*xL[0])*0.5; | |
527 | if(drPath < 0) drPath = -drPath; | |
528 | drPath = sddLength-drPath; | |
529 | if(drPath < 0) { | |
82136bec | 530 | Warning("HitsToAnalogDigits", |
531 | "negative drift path drPath=%e sddLength=%e dxL[0]=%e " | |
532 | "xL[0]=%e", | |
533 | drPath,sddLength,dxL[0],xL[0]); | |
8a33ae9e | 534 | continue; |
535 | } // end if drPath < 0 | |
536 | ||
537 | // Compute number of segments to brake step path into | |
538 | drTime = drPath/driftSpeed; // Drift Time | |
539 | sigA = TMath::Sqrt(2.*dfCoeff*drTime+s1*s1);// Sigma along the anodes | |
540 | // calcuate the number of time the path length should be split into. | |
541 | nOfSplits = (Int_t) (1. + 10000.*pathInSDD/sigA); | |
542 | if(fFlag) nOfSplits = 1; | |
543 | ||
544 | // loop over path segments, init. some variables. | |
545 | depEnergy /= nOfSplits; | |
546 | nOfSplitsF = (Float_t) nOfSplits; | |
547 | for(kk=0;kk<nOfSplits;kk++) { // loop over path segments | |
548 | kkF = (Float_t) kk + 0.5; | |
549 | avDrft = xL[0]+dxL[0]*kkF/nOfSplitsF; | |
550 | avAnode = xL[2]+dxL[2]*kkF/nOfSplitsF; | |
551 | driftPath = 10000.*avDrft; | |
552 | ||
553 | iWing = 2; // Assume wing is 2 | |
554 | if(driftPath < 0) { // if wing is not 2 it is 1. | |
555 | iWing = 1; | |
556 | driftPath = -driftPath; | |
557 | } // end if driftPath < 0 | |
558 | driftPath = sddLength-driftPath; | |
559 | detector = 2*(hitDetector-1) + iWing; | |
560 | if(driftPath < 0) { | |
82136bec | 561 | Warning("HitsToAnalogDigits","negative drift path " |
562 | "driftPath=%e sddLength=%e avDrft=%e dxL[0]=%e " | |
563 | "xL[0]=%e",driftPath,sddLength,avDrft,dxL[0],xL[0]); | |
8a33ae9e | 564 | continue; |
565 | } // end if driftPath < 0 | |
566 | ||
567 | // Drift Time | |
568 | drTime = driftPath/driftSpeed; // drift time for segment. | |
569 | timeSample = (Int_t) (fScaleSize*drTime/timeStep + 1); | |
570 | // compute time Sample including tof information. The tof only | |
571 | // effects the time of the signal is recoreded and not the | |
572 | // the defusion. | |
573 | // timeSample = (Int_t) (fScaleSize*(drTime+tof)/timeStep + 1); | |
574 | if(timeSample > fScaleSize*fMaxNofSamples) { | |
c7a4dac0 | 575 | Warning("HItsToAnalogDigits","Wrong Time Sample: %e", |
576 | timeSample); | |
8a33ae9e | 577 | continue; |
578 | } // end if timeSample > fScaleSize*fMaxNoofSamples | |
579 | ||
580 | // Anode | |
581 | xAnode = 10000.*(avAnode)/anodePitch + nofAnodes/2; // +1? | |
582 | if(xAnode*anodePitch > sddWidth || xAnode*anodePitch < 0.) | |
82136bec | 583 | Warning("HitsToAnalogDigits", |
584 | "Exceedubg sddWidth=%e Z = %e", | |
585 | sddWidth,xAnode*anodePitch); | |
8a33ae9e | 586 | iAnode = (Int_t) (1.+xAnode); // xAnode? |
587 | if(iAnode < 1 || iAnode > nofAnodes) { | |
82136bec | 588 | Warning("HitToAnalogDigits","Wrong iAnode: 1<%d>%d", |
589 | iAnode,nofAnodes); | |
8a33ae9e | 590 | continue; |
591 | } // end if iAnode < 1 || iAnode > nofAnodes | |
592 | ||
593 | // store straight away the particle position in the array | |
594 | // of particles and take idhit=ii only when part is entering (this | |
595 | // requires FillModules() in the macro for analysis) : | |
b0f5e3fc | 596 | |
8a33ae9e | 597 | // Sigma along the anodes for track segment. |
598 | sigA = TMath::Sqrt(2.*dfCoeff*drTime+s1*s1); | |
599 | sigT = sigA/driftSpeed; | |
600 | // Peak amplitude in nanoAmpere | |
601 | amplitude = fScaleSize*160.*depEnergy/ | |
602 | (timeStep*eVpairs*2.*acos(-1.)*sigT*sigA); | |
603 | amplitude *= timeStep/25.; // WARNING!!!!! Amplitude scaling to | |
604 | // account for clock variations | |
605 | // (reference value: 40 MHz) | |
606 | chargeloss = 1.-cHloss*driftPath/1000; | |
607 | amplitude *= chargeloss; | |
608 | width = 2.*nsigma/(nlookups-1); | |
609 | // Spread the charge | |
610 | // Pixel index | |
611 | ndiv = 2; | |
612 | nmul = 3.; | |
613 | if(drTime > 1200.) { | |
614 | ndiv = 4; | |
615 | nmul = 1.5; | |
616 | } // end if drTime > 1200. | |
617 | // Sub-pixel index | |
618 | nsplit = 4; // hard-wired //nsplit=4;nsplit = (nsplit+1)/2*2; | |
619 | // Sub-pixel size see computation of aExpo and tExpo. | |
620 | aStep = anodePitch/(nsplit*fScaleSize*sigA); | |
621 | aConst = xAnode*anodePitch/sigA; | |
622 | tStep = timeStep/(nsplit*fScaleSize*sigT); | |
623 | tConst = drTime/sigT; | |
624 | // Define SDD window corresponding to the hit | |
625 | anodeWindow = (Int_t)(fScaleSize*nsigma*sigA/anodePitch+1); | |
626 | timeWindow = (Int_t) (fScaleSize*nsigma*sigT/timeStep+1.); | |
627 | jamin = (iAnode - anodeWindow/ndiv - 1)*fScaleSize*nsplit +1; | |
628 | jamax = (iAnode + anodeWindow/ndiv)*fScaleSize*nsplit; | |
629 | if(jamin <= 0) jamin = 1; | |
630 | if(jamax > fScaleSize*nofAnodes*nsplit) | |
631 | jamax = fScaleSize*nofAnodes*nsplit; | |
632 | // jtmin and jtmax are Hard-wired | |
633 | jtmin = (Int_t)(timeSample-timeWindow*nmul-1)*nsplit+1; | |
634 | jtmax = (Int_t)(timeSample+timeWindow*nmul)*nsplit; | |
635 | if(jtmin <= 0) jtmin = 1; | |
636 | if(jtmax > fScaleSize*fMaxNofSamples*nsplit) | |
637 | jtmax = fScaleSize*fMaxNofSamples*nsplit; | |
638 | // Spread the charge in the anode-time window | |
639 | for(ka=jamin; ka <=jamax; ka++) { | |
640 | ia = (ka-1)/(fScaleSize*nsplit) + 1; | |
c7a4dac0 | 641 | if(ia <= 0) { |
642 | Warning("HitsToAnalogDigits","ia < 1: "); | |
643 | continue; | |
644 | } // end if | |
8a33ae9e | 645 | if(ia > nofAnodes) ia = nofAnodes; |
646 | aExpo = (aStep*(ka-0.5)-aConst); | |
647 | if(TMath::Abs(aExpo) > nsigma) anodeAmplitude = 0.; | |
648 | else { | |
649 | dummy = (Int_t) ((aExpo+nsigma)/width); | |
650 | anodeAmplitude = amplitude*fResponse->GausLookUp(dummy); | |
651 | } // end if TMath::Abs(aEspo) > nsigma | |
652 | // index starts from 0 | |
653 | index = ((detector+1)%2)*nofAnodes+ia-1; | |
654 | if(anodeAmplitude) for(kt=jtmin; kt<=jtmax; kt++) { | |
655 | it = (kt-1)/nsplit+1; // it starts from 1 | |
c7a4dac0 | 656 | if(it<=0){ |
657 | Warning("HitsToAnalogDigits","it < 1:"); | |
658 | continue; | |
659 | } // end if | |
8a33ae9e | 660 | if(it>fScaleSize*fMaxNofSamples) |
661 | it = fScaleSize*fMaxNofSamples; | |
662 | tExpo = (tStep*(kt-0.5)-tConst); | |
663 | if(TMath::Abs(tExpo) > nsigma) timeAmplitude = 0.; | |
664 | else { | |
665 | dummy = (Int_t) ((tExpo+nsigma)/width); | |
666 | timeAmplitude = anodeAmplitude* | |
667 | fResponse->GausLookUp(dummy); | |
668 | } // end if TMath::Abs(tExpo) > nsigma | |
669 | // build the list of digits for this module | |
670 | arg[0] = index; | |
671 | arg[1] = it; | |
672 | arg[2] = itrack; // track number | |
673 | arg[3] = ii-1; // hit number. | |
674 | timeAmplitude *= norm; | |
675 | timeAmplitude *= 10; | |
c7a4dac0 | 676 | ListOfFiredCells(arg,timeAmplitude,alst,padr); |
677 | pList->AddSignal(index,it,itrack,ii-1, | |
678 | mod->GetIndex(),timeAmplitude); | |
8a33ae9e | 679 | } // end if anodeAmplitude and loop over time in window |
680 | } // loop over anodes in window | |
681 | } // end loop over "sub-hits" | |
44a312c3 | 682 | } // end loop over hits |
b0f5e3fc | 683 | } |
8a33ae9e | 684 | //______________________________________________________________________ |
b0f5e3fc | 685 | void AliITSsimulationSDD::ListOfFiredCells(Int_t *arg,Double_t timeAmplitude, |
8a33ae9e | 686 | TObjArray *alist,TClonesArray *padr){ |
687 | // Returns the list of "fired" cells. | |
688 | ||
689 | Int_t index = arg[0]; | |
690 | Int_t ik = arg[1]; | |
691 | Int_t idtrack = arg[2]; | |
692 | Int_t idhit = arg[3]; | |
693 | Int_t counter = arg[4]; | |
694 | Int_t countadr = arg[5]; | |
695 | Double_t charge = timeAmplitude; | |
696 | charge += fHitMap2->GetSignal(index,ik-1); | |
697 | fHitMap2->SetHit(index, ik-1, charge); | |
698 | ||
699 | Int_t digits[3]; | |
700 | Int_t it = (Int_t)((ik-1)/fScaleSize); | |
701 | digits[0] = index; | |
702 | digits[1] = it; | |
703 | digits[2] = (Int_t)timeAmplitude; | |
704 | Float_t phys; | |
705 | if (idtrack >= 0) phys = (Float_t)timeAmplitude; | |
706 | else phys = 0; | |
707 | ||
708 | Double_t cellcharge = 0.; | |
709 | AliITSTransientDigit* pdigit; | |
710 | // build the list of fired cells and update the info | |
711 | if (!fHitMap1->TestHit(index, it)) { | |
712 | new((*padr)[countadr++]) TVector(3); | |
713 | TVector &trinfo=*((TVector*) (*padr)[countadr-1]); | |
714 | trinfo(0) = (Float_t)idtrack; | |
715 | trinfo(1) = (Float_t)idhit; | |
716 | trinfo(2) = (Float_t)timeAmplitude; | |
717 | ||
718 | alist->AddAtAndExpand(new AliITSTransientDigit(phys,digits),counter); | |
719 | fHitMap1->SetHit(index, it, counter); | |
720 | counter++; | |
721 | pdigit=(AliITSTransientDigit*)alist->At(alist->GetLast()); | |
722 | // list of tracks | |
723 | TObjArray *trlist=(TObjArray*)pdigit->TrackList(); | |
724 | trlist->Add(&trinfo); | |
725 | } else { | |
726 | pdigit = (AliITSTransientDigit*) fHitMap1->GetHit(index, it); | |
727 | for(Int_t kk=0;kk<fScaleSize;kk++) { | |
728 | cellcharge += fHitMap2->GetSignal(index,fScaleSize*it+kk); | |
729 | } // end for kk | |
730 | // update charge | |
731 | (*pdigit).fSignal = (Int_t)cellcharge; | |
732 | (*pdigit).fPhysics += phys; | |
733 | // update list of tracks | |
734 | TObjArray* trlist = (TObjArray*)pdigit->TrackList(); | |
735 | Int_t lastentry = trlist->GetLast(); | |
736 | TVector *ptrkp = (TVector*)trlist->At(lastentry); | |
737 | TVector &trinfo = *ptrkp; | |
738 | Int_t lasttrack = Int_t(trinfo(0)); | |
739 | Float_t lastcharge=(trinfo(2)); | |
740 | if (lasttrack==idtrack ) { | |
741 | lastcharge += (Float_t)timeAmplitude; | |
742 | trlist->RemoveAt(lastentry); | |
743 | trinfo(0) = lasttrack; | |
744 | trinfo(1) = idhit; | |
745 | trinfo(2) = lastcharge; | |
746 | trlist->AddAt(&trinfo,lastentry); | |
747 | } else { | |
748 | new((*padr)[countadr++]) TVector(3); | |
749 | TVector &trinfo=*((TVector*) (*padr)[countadr-1]); | |
750 | trinfo(0) = (Float_t)idtrack; | |
751 | trinfo(1) = (Float_t)idhit; | |
752 | trinfo(2) = (Float_t)timeAmplitude; | |
753 | trlist->Add(&trinfo); | |
754 | } // end if lasttrack==idtrack | |
b0f5e3fc | 755 | |
756 | #ifdef print | |
8a33ae9e | 757 | // check the track list - debugging |
758 | Int_t trk[20], htrk[20]; | |
759 | Float_t chtrk[20]; | |
760 | Int_t nptracks = trlist->GetEntriesFast(); | |
761 | if (nptracks > 2) { | |
762 | Int_t tr; | |
763 | for (tr=0;tr<nptracks;tr++) { | |
764 | TVector *pptrkp = (TVector*)trlist->At(tr); | |
765 | TVector &pptrk = *pptrkp; | |
766 | trk[tr] = Int_t(pptrk(0)); | |
767 | htrk[tr] = Int_t(pptrk(1)); | |
768 | chtrk[tr] = (pptrk(2)); | |
c7a4dac0 | 769 | cout << "nptracks "<<nptracks << endl; |
8a33ae9e | 770 | } // end for tr |
771 | } // end if nptracks | |
b0f5e3fc | 772 | #endif |
8a33ae9e | 773 | } // end if pdigit |
b0f5e3fc | 774 | |
8a33ae9e | 775 | // update counter and countadr for next call. |
776 | arg[4] = counter; | |
777 | arg[5] = countadr; | |
b0f5e3fc | 778 | } |
b0f5e3fc | 779 | //____________________________________________ |
780 | ||
781 | void AliITSsimulationSDD::AddDigit(Int_t i, Int_t j, Int_t signal){ | |
8a33ae9e | 782 | // Adds a Digit. |
b0f5e3fc | 783 | // tag with -1 signals coming from background tracks |
784 | // tag with -2 signals coming from pure electronic noise | |
785 | ||
e8189707 | 786 | Int_t digits[3], tracks[3], hits[3]; |
b0f5e3fc | 787 | Float_t phys, charges[3]; |
788 | ||
e8189707 | 789 | Int_t trk[20], htrk[20]; |
b0f5e3fc | 790 | Float_t chtrk[20]; |
791 | ||
ece86d9a | 792 | Bool_t do10to8=fResponse->Do10to8(); |
793 | ||
794 | if(do10to8) signal=Convert8to10(signal); | |
b0f5e3fc | 795 | AliITSTransientDigit *obj = (AliITSTransientDigit*)fHitMap1->GetHit(i,j); |
8a33ae9e | 796 | digits[0] = i; |
797 | digits[1] = j; | |
798 | digits[2] = signal; | |
b0f5e3fc | 799 | if (!obj) { |
800 | phys=0; | |
801 | Int_t k; | |
e8189707 | 802 | for (k=0;k<3;k++) { |
8a33ae9e | 803 | tracks[k]=-2; |
804 | charges[k]=0; | |
805 | hits[k]=-1; | |
806 | } // end for k | |
e8189707 | 807 | fITS->AddSimDigit(1,phys,digits,tracks,hits,charges); |
b0f5e3fc | 808 | } else { |
8a33ae9e | 809 | phys=obj->fPhysics; |
810 | TObjArray* trlist=(TObjArray*)obj->TrackList(); | |
811 | Int_t nptracks=trlist->GetEntriesFast(); | |
812 | if (nptracks > 20) { | |
c7a4dac0 | 813 | Warning("AddDigit","nptracks=%d > 20 nptracks set to 20",nptracks); |
8a33ae9e | 814 | nptracks=20; |
815 | } // end if nptracks > 20 | |
816 | Int_t tr; | |
817 | for (tr=0;tr<nptracks;tr++) { | |
818 | TVector &pp =*((TVector*)trlist->At(tr)); | |
819 | trk[tr]=Int_t(pp(0)); | |
820 | htrk[tr]=Int_t(pp(1)); | |
821 | chtrk[tr]=(pp(2)); | |
822 | } // end for tr | |
823 | if (nptracks > 1) { | |
824 | SortTracks(trk,chtrk,htrk,nptracks); | |
825 | } // end if nptracks > 1 | |
826 | Int_t i; | |
827 | if (nptracks < 3 ) { | |
828 | for (i=0; i<nptracks; i++) { | |
829 | tracks[i]=trk[i]; | |
830 | charges[i]=chtrk[i]; | |
831 | hits[i]=htrk[i]; | |
832 | } // end for i | |
833 | for (i=nptracks; i<3; i++) { | |
834 | tracks[i]=-3; | |
835 | hits[i]=-1; | |
836 | charges[i]=0; | |
837 | } // end for i | |
838 | } else { | |
839 | for (i=0; i<3; i++) { | |
840 | tracks[i]=trk[i]; | |
841 | charges[i]=chtrk[i]; | |
842 | hits[i]=htrk[i]; | |
843 | } // end for i | |
844 | } // end if/else nptracks < 3 | |
845 | ||
846 | fITS->AddSimDigit(1,phys,digits,tracks,hits,charges); | |
b0f5e3fc | 847 | |
8a33ae9e | 848 | } // end if/else !obj |
b0f5e3fc | 849 | } |
8a33ae9e | 850 | //______________________________________________________________________ |
851 | void AliITSsimulationSDD::SortTracks(Int_t *tracks,Float_t *charges, | |
852 | Int_t *hits,Int_t ntr){ | |
853 | // Sort the list of tracks contributing to a given digit | |
854 | // Only the 3 most significant tracks are acctually sorted | |
855 | // Loop over signals, only 3 times | |
856 | ||
857 | Float_t qmax; | |
858 | Int_t jmax; | |
859 | Int_t idx[3] = {-3,-3,-3}; | |
860 | Float_t jch[3] = {-3,-3,-3}; | |
861 | Int_t jtr[3] = {-3,-3,-3}; | |
862 | Int_t jhit[3] = {-3,-3,-3}; | |
863 | Int_t i,j,imax; | |
864 | ||
865 | if (ntr<3) imax = ntr; | |
866 | else imax = 3; | |
867 | for(i=0;i<imax;i++){ | |
868 | qmax = 0; | |
869 | jmax = 0; | |
870 | for(j=0;j<ntr;j++){ | |
871 | if((i == 1 && j == idx[i-1] ) | |
872 | ||(i == 2 && (j == idx[i-1] || j == idx[i-2]))) continue; | |
873 | if(charges[j] > qmax) { | |
874 | qmax = charges[j]; | |
875 | jmax=j; | |
876 | } // end if charges[j]>qmax | |
877 | } // end for j | |
878 | if(qmax > 0) { | |
879 | idx[i] = jmax; | |
880 | jch[i] = charges[jmax]; | |
881 | jtr[i] = tracks[jmax]; | |
882 | jhit[i] = hits[jmax]; | |
883 | } // end if qmax > 0 | |
884 | } // end for i | |
885 | ||
886 | for(i=0;i<3;i++){ | |
887 | if (jtr[i] == -3) { | |
888 | charges[i] = 0; | |
889 | tracks[i] = -3; | |
890 | hits[i] = -1; | |
891 | } else { | |
892 | charges[i] = jch[i]; | |
893 | tracks[i] = jtr[i]; | |
894 | hits[i] = jhit[i]; | |
895 | } // end if jtr[i] == -3 | |
896 | } // end for i | |
b0f5e3fc | 897 | } |
8a33ae9e | 898 | //______________________________________________________________________ |
b0f5e3fc | 899 | void AliITSsimulationSDD::ChargeToSignal() { |
8a33ae9e | 900 | // add baseline, noise, electronics and ADC saturation effects |
b0f5e3fc | 901 | |
8a33ae9e | 902 | char opt1[20], opt2[20]; |
903 | fResponse->ParamOptions(opt1,opt2); | |
904 | char *read = strstr(opt1,"file"); | |
905 | Float_t baseline, noise; | |
906 | ||
907 | if (read) { | |
908 | static Bool_t readfile=kTRUE; | |
909 | //read baseline and noise from file | |
910 | if (readfile) ReadBaseline(); | |
911 | readfile=kFALSE; | |
912 | } else fResponse->GetNoiseParam(noise,baseline); | |
913 | ||
914 | Float_t contrib=0; | |
915 | Int_t i,k,kk; | |
916 | Float_t maxadc = fResponse->MaxAdc(); | |
917 | if(!fDoFFT) { | |
918 | for (i=0;i<fNofMaps;i++) { | |
919 | if (read && i<fNofMaps) GetAnodeBaseline(i,baseline,noise); | |
920 | for(k=0; k<fScaleSize*fMaxNofSamples; k++) { | |
921 | fInZR[k] = fHitMap2->GetSignal(i,k); | |
922 | contrib = (baseline + noise*gRandom->Gaus()); | |
923 | fInZR[k] += contrib; | |
924 | } // end for k | |
925 | for(k=0; k<fMaxNofSamples; k++) { | |
926 | Double_t newcont = 0.; | |
927 | Double_t maxcont = 0.; | |
928 | for(kk=0;kk<fScaleSize;kk++) { | |
929 | newcont = fInZR[fScaleSize*k+kk]; | |
930 | if(newcont > maxcont) maxcont = newcont; | |
931 | } // end for kk | |
932 | newcont = maxcont; | |
933 | if (newcont >= maxadc) newcont = maxadc -1; | |
c7a4dac0 | 934 | if(newcont >= baseline){ |
935 | Warning("","newcont=%d>=baseline=%d",newcont,baseline); | |
936 | } // end if | |
8a33ae9e | 937 | // back to analog: ? |
938 | fHitMap2->SetHit(i,k,newcont); | |
939 | } // end for k | |
940 | } // end for i loop over anodes | |
941 | return; | |
942 | } // end if DoFFT | |
ece86d9a | 943 | |
ece86d9a | 944 | for (i=0;i<fNofMaps;i++) { |
8a33ae9e | 945 | if (read && i<fNofMaps) GetAnodeBaseline(i,baseline,noise); |
946 | for(k=0; k<fScaleSize*fMaxNofSamples; k++) { | |
947 | fInZR[k] = fHitMap2->GetSignal(i,k); | |
948 | contrib = (baseline + noise*gRandom->Gaus()); | |
949 | fInZR[k] += contrib; | |
950 | fInZI[k] = 0.; | |
951 | } // end for k | |
952 | FastFourierTransform(fElectronics,&fInZR[0],&fInZI[0],1); | |
ece86d9a | 953 | for(k=0; k<fScaleSize*fMaxNofSamples; k++) { |
8a33ae9e | 954 | Double_t rw = fElectronics->GetTraFunReal(k); |
955 | Double_t iw = fElectronics->GetTraFunImag(k); | |
956 | fOutZR[k] = fInZR[k]*rw - fInZI[k]*iw; | |
957 | fOutZI[k] = fInZR[k]*iw + fInZI[k]*rw; | |
958 | } // end for k | |
959 | FastFourierTransform(fElectronics,&fOutZR[0],&fOutZI[0],-1); | |
ece86d9a | 960 | for(k=0; k<fMaxNofSamples; k++) { |
8a33ae9e | 961 | Double_t newcont1 = 0.; |
962 | Double_t maxcont1 = 0.; | |
963 | for(kk=0;kk<fScaleSize;kk++) { | |
964 | newcont1 = fOutZR[fScaleSize*k+kk]; | |
965 | if(newcont1 > maxcont1) maxcont1 = newcont1; | |
966 | } // end for kk | |
967 | newcont1 = maxcont1; | |
968 | if (newcont1 >= maxadc) newcont1 = maxadc -1; | |
969 | fHitMap2->SetHit(i,k,newcont1); | |
970 | } // end for k | |
971 | } // end for i loop over anodes | |
ece86d9a | 972 | return; |
b0f5e3fc | 973 | } |
8a33ae9e | 974 | //______________________________________________________________________ |
b0f5e3fc | 975 | void AliITSsimulationSDD::GetAnodeBaseline(Int_t i,Float_t &baseline, |
976 | Float_t &noise){ | |
8a33ae9e | 977 | // Returns the Baseline for a particular anode. |
978 | baseline = fBaseline[i]; | |
979 | noise = fNoise[i]; | |
b0f5e3fc | 980 | } |
8a33ae9e | 981 | //______________________________________________________________________ |
b0f5e3fc | 982 | void AliITSsimulationSDD::CompressionParam(Int_t i,Int_t &db,Int_t &tl, |
983 | Int_t &th){ | |
8a33ae9e | 984 | // Returns the compression alogirthm parameters |
985 | Int_t size = fD.GetSize(); | |
986 | if (size > 2 ) { | |
987 | db=fD[i]; tl=fT1[i]; th=fT2[i]; | |
988 | } else { | |
989 | if (size <= 2 && i>=fNofMaps/2) { | |
990 | db=fD[1]; tl=fT1[1]; th=fT2[1]; | |
991 | } else { | |
992 | db=fD[0]; tl=fT1[0]; th=fT2[0]; | |
993 | } // end if size <=2 && i>=fNofMaps/2 | |
994 | } // end if size >2 | |
b0f5e3fc | 995 | } |
8a33ae9e | 996 | //______________________________________________________________________ |
b0f5e3fc | 997 | void AliITSsimulationSDD::CompressionParam(Int_t i,Int_t &db,Int_t &tl){ |
8a33ae9e | 998 | // returns the compression alogirthm parameters |
999 | Int_t size = fD.GetSize(); | |
b0f5e3fc | 1000 | |
8a33ae9e | 1001 | if (size > 2 ) { |
1002 | db=fD[i]; tl=fT1[i]; | |
1003 | } else { | |
1004 | if (size <= 2 && i>=fNofMaps/2) { | |
1005 | db=fD[1]; tl=fT1[1]; | |
1006 | } else { | |
1007 | db=fD[0]; tl=fT1[0]; | |
1008 | } // end if size <=2 && i>=fNofMaps/2 | |
1009 | } // end if size > 2 | |
b0f5e3fc | 1010 | } |
8a33ae9e | 1011 | //______________________________________________________________________ |
b0f5e3fc | 1012 | void AliITSsimulationSDD::SetCompressParam(){ |
8a33ae9e | 1013 | // Sets the compression alogirthm parameters |
1014 | Int_t cp[8],i; | |
1015 | ||
1016 | fResponse->GiveCompressParam(cp); | |
1017 | for (i=0; i<2; i++) { | |
1018 | fD[i] = cp[i]; | |
1019 | fT1[i] = cp[i+2]; | |
1020 | fT2[i] = cp[i+4]; | |
1021 | fTol[i] = cp[i+6]; | |
8a33ae9e | 1022 | } // end for i |
b0f5e3fc | 1023 | } |
8a33ae9e | 1024 | //______________________________________________________________________ |
b0f5e3fc | 1025 | void AliITSsimulationSDD::ReadBaseline(){ |
8a33ae9e | 1026 | // read baseline and noise from file - either a .root file and in this |
1027 | // case data should be organised in a tree with one entry for each | |
1028 | // module => reading should be done accordingly | |
1029 | // or a classic file and do smth. like this: | |
1030 | // Read baselines and noise for SDD | |
b0f5e3fc | 1031 | |
1032 | Int_t na,pos; | |
1033 | Float_t bl,n; | |
e8189707 | 1034 | char input[100], base[100], param[100]; |
b0f5e3fc | 1035 | char *filtmp; |
1036 | ||
e8189707 | 1037 | fResponse->Filenames(input,base,param); |
b0f5e3fc | 1038 | fFileName=base; |
1039 | // | |
1040 | filtmp = gSystem->ExpandPathName(fFileName.Data()); | |
1041 | FILE *bline = fopen(filtmp,"r"); | |
b0f5e3fc | 1042 | na = 0; |
1043 | ||
1044 | if(bline) { | |
8a33ae9e | 1045 | while(fscanf(bline,"%d %f %f",&pos, &bl, &n) != EOF) { |
1046 | if (pos != na+1) { | |
1047 | Error("ReadBaseline","Anode number not in increasing order!", | |
1048 | filtmp); | |
1049 | exit(1); | |
1050 | } // end if pos != na+1 | |
1051 | fBaseline[na]=bl; | |
1052 | fNoise[na]=n; | |
1053 | na++; | |
1054 | } // end while | |
b0f5e3fc | 1055 | } else { |
8a33ae9e | 1056 | Error("ReadBaseline"," THE BASELINE FILE %s DOES NOT EXIST !",filtmp); |
1057 | exit(1); | |
b0f5e3fc | 1058 | } // end if(bline) |
8a33ae9e | 1059 | |
b0f5e3fc | 1060 | fclose(bline); |
1061 | delete [] filtmp; | |
b0f5e3fc | 1062 | } |
8a33ae9e | 1063 | //______________________________________________________________________ |
1064 | Int_t AliITSsimulationSDD::Convert10to8(Int_t signal) const { | |
1065 | // To the 10 to 8 bit lossive compression. | |
1066 | // code from Davide C. and Albert W. | |
1067 | ||
1068 | if (signal < 128) return signal; | |
1069 | if (signal < 256) return (128+((signal-128)>>1)); | |
1070 | if (signal < 512) return (192+((signal-256)>>3)); | |
1071 | if (signal < 1024) return (224+((signal-512)>>4)); | |
1072 | return 0; | |
b0f5e3fc | 1073 | } |
8a33ae9e | 1074 | //______________________________________________________________________ |
1075 | Int_t AliITSsimulationSDD::Convert8to10(Int_t signal) const { | |
1076 | // Undo the lossive 10 to 8 bit compression. | |
1077 | // code from Davide C. and Albert W. | |
1078 | if (signal < 0 || signal > 255) { | |
c7a4dac0 | 1079 | Warning("Convert8to10","out of range signal=%d",signal); |
8a33ae9e | 1080 | return 0; |
1081 | } // end if signal <0 || signal >255 | |
1082 | ||
1083 | if (signal < 128) return signal; | |
1084 | if (signal < 192) { | |
1085 | if (TMath::Odd(signal)) return (128+((signal-128)<<1)); | |
1086 | else return (128+((signal-128)<<1)+1); | |
1087 | } // end if signal < 192 | |
1088 | if (signal < 224) { | |
1089 | if (TMath::Odd(signal)) return (256+((signal-192)<<3)+3); | |
1090 | else return (256+((signal-192)<<3)+4); | |
1091 | } // end if signal < 224 | |
1092 | if (TMath::Odd(signal)) return (512+((signal-224)<<4)+7); | |
9226cc6a | 1093 | return (512+((signal-224)<<4)+7); |
8a33ae9e | 1094 | } |
1095 | //______________________________________________________________________ | |
b0f5e3fc | 1096 | AliITSMap* AliITSsimulationSDD::HitMap(Int_t i){ |
8a33ae9e | 1097 | //Return the correct map. |
1098 | ||
b0f5e3fc | 1099 | return ((i==0)? fHitMap1 : fHitMap2); |
1100 | } | |
8a33ae9e | 1101 | //______________________________________________________________________ |
e8189707 | 1102 | void AliITSsimulationSDD::ZeroSuppression(const char *option) { |
8a33ae9e | 1103 | // perform the zero suppresion |
1104 | ||
1105 | if (strstr(option,"2D")) { | |
1106 | //Init2D(); // activate if param change module by module | |
1107 | Compress2D(); | |
1108 | } else if (strstr(option,"1D")) { | |
1109 | //Init1D(); // activate if param change module by module | |
1110 | Compress1D(); | |
1111 | } else StoreAllDigits(); | |
b0f5e3fc | 1112 | } |
8a33ae9e | 1113 | //______________________________________________________________________ |
b0f5e3fc | 1114 | void AliITSsimulationSDD::Init2D(){ |
8a33ae9e | 1115 | // read in and prepare arrays: fD, fT1, fT2 |
1116 | // savemu[nanodes], savesigma[nanodes] | |
1117 | // read baseline and noise from file - either a .root file and in this | |
1118 | // case data should be organised in a tree with one entry for each | |
1119 | // module => reading should be done accordingly | |
1120 | // or a classic file and do smth. like this ( code from Davide C. and | |
1121 | // Albert W.) : | |
1122 | // Read 2D zero-suppression parameters for SDD | |
b0f5e3fc | 1123 | |
1124 | if (!strstr(fParam,"file")) return; | |
1125 | ||
1126 | Int_t na,pos,tempTh; | |
1127 | Float_t mu,sigma; | |
8a33ae9e | 1128 | Float_t *savemu = new Float_t [fNofMaps]; |
e8189707 | 1129 | Float_t *savesigma = new Float_t [fNofMaps]; |
1130 | char input[100],basel[100],par[100]; | |
b0f5e3fc | 1131 | char *filtmp; |
b0f5e3fc | 1132 | Int_t minval = fResponse->MinVal(); |
1133 | ||
e8189707 | 1134 | fResponse->Filenames(input,basel,par); |
8a33ae9e | 1135 | fFileName = par; |
b0f5e3fc | 1136 | // |
1137 | filtmp = gSystem->ExpandPathName(fFileName.Data()); | |
1138 | FILE *param = fopen(filtmp,"r"); | |
1139 | na = 0; | |
1140 | ||
1141 | if(param) { | |
8a33ae9e | 1142 | while(fscanf(param,"%d %f %f",&pos, &mu, &sigma) != EOF) { |
1143 | if (pos != na+1) { | |
c7a4dac0 | 1144 | Error("Init2D","Anode number not in increasing order!",filtmp); |
8a33ae9e | 1145 | exit(1); |
1146 | } // end if pos != na+1 | |
1147 | savemu[na] = mu; | |
1148 | savesigma[na] = sigma; | |
b0f5e3fc | 1149 | if ((2.*sigma) < mu) { |
1150 | fD[na] = (Int_t)floor(mu - 2.0*sigma + 0.5); | |
1151 | mu = 2.0 * sigma; | |
1152 | } else fD[na] = 0; | |
1153 | tempTh = (Int_t)floor(mu+2.25*sigma+0.5) - minval; | |
1154 | if (tempTh < 0) tempTh=0; | |
1155 | fT1[na] = tempTh; | |
1156 | tempTh = (Int_t)floor(mu+3.0*sigma+0.5) - minval; | |
1157 | if (tempTh < 0) tempTh=0; | |
1158 | fT2[na] = tempTh; | |
1159 | na++; | |
8a33ae9e | 1160 | } // end while |
b0f5e3fc | 1161 | } else { |
c7a4dac0 | 1162 | Error("Init2D","THE FILE %s DOES NOT EXIST !",filtmp); |
8a33ae9e | 1163 | exit(1); |
b0f5e3fc | 1164 | } // end if(param) |
8a33ae9e | 1165 | |
b0f5e3fc | 1166 | fclose(param); |
1167 | delete [] filtmp; | |
5d18fa90 | 1168 | delete [] savemu; |
e8189707 | 1169 | delete [] savesigma; |
8a33ae9e | 1170 | } |
1171 | //______________________________________________________________________ | |
b0f5e3fc | 1172 | void AliITSsimulationSDD::Compress2D(){ |
8a33ae9e | 1173 | // simple ITS cluster finder -- online zero-suppression conditions |
b0f5e3fc | 1174 | |
b0f5e3fc | 1175 | Int_t db,tl,th; |
8a33ae9e | 1176 | Int_t minval = fResponse->MinVal(); |
1177 | Bool_t write = fResponse->OutputOption(); | |
1178 | Bool_t do10to8 = fResponse->Do10to8(); | |
b0f5e3fc | 1179 | Int_t nz, nl, nh, low, i, j; |
1180 | ||
e8189707 | 1181 | for (i=0; i<fNofMaps; i++) { |
b0f5e3fc | 1182 | CompressionParam(i,db,tl,th); |
8a33ae9e | 1183 | nz = 0; |
1184 | nl = 0; | |
1185 | nh = 0; | |
1186 | low = 0; | |
e8189707 | 1187 | for (j=0; j<fMaxNofSamples; j++) { |
b0f5e3fc | 1188 | Int_t signal=(Int_t)(fHitMap2->GetSignal(i,j)); |
1189 | signal -= db; // if baseline eq. is done here | |
1190 | if (signal <= 0) {nz++; continue;} | |
1191 | if ((signal - tl) < minval) low++; | |
1192 | if ((signal - th) >= minval) { | |
1193 | nh++; | |
1194 | Bool_t cond=kTRUE; | |
b0f5e3fc | 1195 | FindCluster(i,j,signal,minval,cond); |
c7a4dac0 | 1196 | if(cond && j && |
1197 | ((TMath::Abs(fHitMap2->GetSignal(i,j-1))-th)>=minval)){ | |
8a33ae9e | 1198 | if(do10to8) signal = Convert10to8(signal); |
1199 | AddDigit(i,j,signal); | |
1200 | } // end if cond&&j&&() | |
b0f5e3fc | 1201 | } else if ((signal - tl) >= minval) nl++; |
8a33ae9e | 1202 | } // end for j loop time samples |
1203 | if (write) TreeB()->Fill(nz,nl,nh,low,i+1); | |
1204 | } //end for i loop anodes | |
b0f5e3fc | 1205 | |
8a33ae9e | 1206 | char hname[30]; |
1207 | if (write) { | |
b0f5e3fc | 1208 | sprintf(hname,"TNtuple%d_%d",fModule,fEvent); |
1209 | TreeB()->Write(hname); | |
1210 | // reset tree | |
1211 | TreeB()->Reset(); | |
8a33ae9e | 1212 | } // end if write |
1213 | } | |
1214 | //______________________________________________________________________ | |
b0f5e3fc | 1215 | void AliITSsimulationSDD::FindCluster(Int_t i,Int_t j,Int_t signal, |
ece86d9a | 1216 | Int_t minval,Bool_t &cond){ |
8a33ae9e | 1217 | // Find clusters according to the online 2D zero-suppression algorithm |
1218 | Bool_t do10to8 = fResponse->Do10to8(); | |
1219 | Bool_t high = kFALSE; | |
b0f5e3fc | 1220 | |
1221 | fHitMap2->FlagHit(i,j); | |
1222 | // | |
1223 | // check the online zero-suppression conditions | |
1224 | // | |
8a33ae9e | 1225 | const Int_t kMaxNeighbours = 4; |
b0f5e3fc | 1226 | Int_t nn; |
1227 | Int_t dbx,tlx,thx; | |
8a33ae9e | 1228 | Int_t xList[kMaxNeighbours], yList[kMaxNeighbours]; |
e8189707 | 1229 | fSegmentation->Neighbours(i,j,&nn,xList,yList); |
ece86d9a | 1230 | Int_t in,ix,iy,qns; |
e8189707 | 1231 | for (in=0; in<nn; in++) { |
1232 | ix=xList[in]; | |
1233 | iy=yList[in]; | |
b0f5e3fc | 1234 | if (fHitMap2->TestHit(ix,iy)==kUnused) { |
8a33ae9e | 1235 | CompressionParam(ix,dbx,tlx,thx); |
1236 | Int_t qn = (Int_t)(fHitMap2->GetSignal(ix,iy)); | |
1237 | qn -= dbx; // if baseline eq. is done here | |
1238 | if ((qn-tlx) < minval) { | |
1239 | fHitMap2->FlagHit(ix,iy); | |
1240 | continue; | |
1241 | } else { | |
1242 | if ((qn - thx) >= minval) high=kTRUE; | |
1243 | if (cond) { | |
1244 | if(do10to8) signal = Convert10to8(signal); | |
1245 | AddDigit(i,j,signal); | |
1246 | } // end if cond | |
1247 | if(do10to8) qns = Convert10to8(qn); | |
1248 | else qns=qn; | |
1249 | if (!high) AddDigit(ix,iy,qns); | |
1250 | cond=kFALSE; | |
1251 | if(!high) fHitMap2->FlagHit(ix,iy); | |
1252 | } // end if qn-tlx < minval | |
1253 | } // end if TestHit | |
1254 | } // end for in loop over neighbours | |
b0f5e3fc | 1255 | } |
8a33ae9e | 1256 | //______________________________________________________________________ |
b0f5e3fc | 1257 | void AliITSsimulationSDD::Init1D(){ |
8a33ae9e | 1258 | // this is just a copy-paste of input taken from 2D algo |
1259 | // Torino people should give input | |
1260 | // Read 1D zero-suppression parameters for SDD | |
b0f5e3fc | 1261 | |
1262 | if (!strstr(fParam,"file")) return; | |
1263 | ||
1264 | Int_t na,pos,tempTh; | |
1265 | Float_t mu,sigma; | |
8a33ae9e | 1266 | Float_t *savemu = new Float_t [fNofMaps]; |
e8189707 | 1267 | Float_t *savesigma = new Float_t [fNofMaps]; |
1268 | char input[100],basel[100],par[100]; | |
b0f5e3fc | 1269 | char *filtmp; |
b0f5e3fc | 1270 | Int_t minval = fResponse->MinVal(); |
8a33ae9e | 1271 | |
e8189707 | 1272 | fResponse->Filenames(input,basel,par); |
1273 | fFileName=par; | |
b0f5e3fc | 1274 | |
1275 | // set first the disable and tol param | |
1276 | SetCompressParam(); | |
1277 | // | |
1278 | filtmp = gSystem->ExpandPathName(fFileName.Data()); | |
1279 | FILE *param = fopen(filtmp,"r"); | |
1280 | na = 0; | |
1281 | ||
1282 | if (param) { | |
8a33ae9e | 1283 | fscanf(param,"%d %d %d %d ", &fT2[0], &fT2[1], &fTol[0], &fTol[1]); |
1284 | while(fscanf(param,"%d %f %f",&pos, &mu, &sigma) != EOF) { | |
1285 | if (pos != na+1) { | |
c7a4dac0 | 1286 | Error("Init1D","Anode number not in increasing order!",filtmp); |
8a33ae9e | 1287 | exit(1); |
1288 | } // end if pos != na+1 | |
1289 | savemu[na]=mu; | |
1290 | savesigma[na]=sigma; | |
1291 | if ((2.*sigma) < mu) { | |
1292 | fD[na] = (Int_t)floor(mu - 2.0*sigma + 0.5); | |
1293 | mu = 2.0 * sigma; | |
1294 | } else fD[na] = 0; | |
1295 | tempTh = (Int_t)floor(mu+2.25*sigma+0.5) - minval; | |
1296 | if (tempTh < 0) tempTh=0; | |
1297 | fT1[na] = tempTh; | |
1298 | na++; | |
1299 | } // end while | |
b0f5e3fc | 1300 | } else { |
c7a4dac0 | 1301 | Error("Init1D","THE FILE %s DOES NOT EXIST !",filtmp); |
8a33ae9e | 1302 | exit(1); |
b0f5e3fc | 1303 | } // end if(param) |
8a33ae9e | 1304 | |
b0f5e3fc | 1305 | fclose(param); |
1306 | delete [] filtmp; | |
749bd21a | 1307 | delete [] savemu; |
e8189707 | 1308 | delete [] savesigma; |
8a33ae9e | 1309 | } |
1310 | //______________________________________________________________________ | |
b0f5e3fc | 1311 | void AliITSsimulationSDD::Compress1D(){ |
1312 | // 1D zero-suppression algorithm (from Gianluca A.) | |
8a33ae9e | 1313 | Int_t dis,tol,thres,decr,diff; |
b0f5e3fc | 1314 | UChar_t *str=fStream->Stream(); |
8a33ae9e | 1315 | Int_t counter=0; |
1316 | Bool_t do10to8=fResponse->Do10to8(); | |
1317 | Int_t last=0; | |
1318 | Int_t k,i,j; | |
ece86d9a | 1319 | |
ece86d9a | 1320 | for (k=0; k<2; k++) { |
8a33ae9e | 1321 | tol = Tolerance(k); |
1322 | dis = Disable(k); | |
1323 | for (i=0; i<fNofMaps/2; i++) { | |
1324 | Bool_t firstSignal=kTRUE; | |
1325 | Int_t idx=i+k*fNofMaps/2; | |
1326 | CompressionParam(idx,decr,thres); | |
1327 | for (j=0; j<fMaxNofSamples; j++) { | |
1328 | Int_t signal=(Int_t)(fHitMap2->GetSignal(idx,j)); | |
1329 | signal -= decr; // if baseline eq. | |
1330 | if(do10to8) signal = Convert10to8(signal); | |
1331 | if (signal <= thres) { | |
1332 | signal=0; | |
1333 | diff=128; | |
1334 | last=0; | |
1335 | // write diff in the buffer for HuffT | |
1336 | str[counter]=(UChar_t)diff; | |
1337 | counter++; | |
1338 | continue; | |
1339 | } // end if signal <= thres | |
1340 | diff=signal-last; | |
1341 | if (diff > 127) diff=127; | |
1342 | if (diff < -128) diff=-128; | |
1343 | if (signal < dis) { | |
1344 | // tol has changed to 8 possible cases ? - one can write | |
1345 | // this if(TMath::Abs(diff)<tol) ... else ... | |
ece86d9a | 1346 | if(TMath::Abs(diff)<tol) diff=0; |
1347 | // or keep it as it was before | |
1348 | /* | |
b0f5e3fc | 1349 | if (tol==1 && (diff >= -2 && diff <= 1)) diff=0; |
1350 | if (tol==2 && (diff >= -4 && diff <= 3)) diff=0; | |
1351 | if (tol==3 && (diff >= -16 && diff <= 15)) diff=0; | |
ece86d9a | 1352 | */ |
1353 | AddDigit(idx,j,last+diff); | |
8a33ae9e | 1354 | } else { |
1355 | AddDigit(idx,j,signal); | |
1356 | } // end if singal < dis | |
1357 | diff += 128; | |
1358 | // write diff in the buffer used to compute Huffman tables | |
1359 | if (firstSignal) str[counter]=(UChar_t)signal; | |
1360 | else str[counter]=(UChar_t)diff; | |
1361 | counter++; | |
1362 | last=signal; | |
1363 | firstSignal=kFALSE; | |
1364 | } // end for j loop time samples | |
1365 | } // end for i loop anodes one half of detector | |
1366 | } // end for k | |
b0f5e3fc | 1367 | |
1368 | // check | |
1369 | fStream->CheckCount(counter); | |
1370 | ||
1371 | // open file and write out the stream of diff's | |
b0f5e3fc | 1372 | static Bool_t open=kTRUE; |
e8189707 | 1373 | static TFile *outFile; |
b0f5e3fc | 1374 | Bool_t write = fResponse->OutputOption(); |
1375 | ||
1376 | if (write ) { | |
1377 | if(open) { | |
1378 | SetFileName("stream.root"); | |
1379 | cout<<"filename "<<fFileName<<endl; | |
e8189707 | 1380 | outFile=new TFile(fFileName,"recreate"); |
b0f5e3fc | 1381 | cout<<"I have opened "<<fFileName<<" file "<<endl; |
8a33ae9e | 1382 | } // end if open |
1383 | open = kFALSE; | |
e8189707 | 1384 | outFile->cd(); |
b0f5e3fc | 1385 | fStream->Write(); |
1386 | } // endif write | |
1387 | ||
8a33ae9e | 1388 | fStream->ClearStream(); |
b0f5e3fc | 1389 | |
8a33ae9e | 1390 | // back to galice.root file |
b0f5e3fc | 1391 | |
8a33ae9e | 1392 | TTree *fAli=gAlice->TreeK(); |
1393 | TFile *file = 0; | |
b0f5e3fc | 1394 | |
8a33ae9e | 1395 | if (fAli) file =fAli->GetCurrentFile(); |
1396 | file->cd(); | |
1397 | } | |
1398 | //______________________________________________________________________ | |
b0f5e3fc | 1399 | void AliITSsimulationSDD::StoreAllDigits(){ |
8a33ae9e | 1400 | // if non-zero-suppressed data |
1401 | Bool_t do10to8 = fResponse->Do10to8(); | |
ece86d9a | 1402 | Int_t i, j, digits[3]; |
8a33ae9e | 1403 | |
e8189707 | 1404 | for (i=0; i<fNofMaps; i++) { |
1405 | for (j=0; j<fMaxNofSamples; j++) { | |
8a33ae9e | 1406 | Int_t signal=(Int_t)(fHitMap2->GetSignal(i,j)); |
1407 | if(do10to8) signal = Convert10to8(signal); | |
1408 | if(do10to8) signal = Convert8to10(signal); | |
1409 | digits[0] = i; | |
1410 | digits[1] = j; | |
1411 | digits[2] = signal; | |
1412 | fITS->AddRealDigit(1,digits); | |
1413 | } // end for j | |
1414 | } // end for i | |
b0f5e3fc | 1415 | } |
8a33ae9e | 1416 | //______________________________________________________________________ |
ece86d9a | 1417 | void AliITSsimulationSDD::CreateHistograms(Int_t scale){ |
8a33ae9e | 1418 | // Creates histograms of maps for debugging |
1419 | Int_t i; | |
ece86d9a | 1420 | |
1421 | fHis=new TObjArray(fNofMaps); | |
e8189707 | 1422 | for (i=0;i<fNofMaps;i++) { |
a14dba92 | 1423 | TString sddName("sdd_"); |
b0f5e3fc | 1424 | Char_t candNum[4]; |
1425 | sprintf(candNum,"%d",i+1); | |
ece86d9a | 1426 | sddName.Append(candNum); |
8a33ae9e | 1427 | fHis->AddAt(new TH1F(sddName.Data(),"SDD maps",scale*fMaxNofSamples, |
1428 | 0.,(Float_t) scale*fMaxNofSamples), i); | |
1429 | } // end for i | |
b0f5e3fc | 1430 | } |
8a33ae9e | 1431 | //______________________________________________________________________ |
ece86d9a | 1432 | void AliITSsimulationSDD::FillHistograms(){ |
8a33ae9e | 1433 | // fill 1D histograms from map |
1434 | ||
1435 | if (!fHis) return; | |
1436 | ||
1437 | for( Int_t i=0; i<fNofMaps; i++) { | |
1438 | TH1F *hist =(TH1F *)fHis->UncheckedAt(i); | |
1439 | Int_t nsamples = hist->GetNbinsX(); | |
1440 | for( Int_t j=0; j<nsamples; j++) { | |
1441 | Double_t signal=fHitMap2->GetSignal(i,j); | |
1442 | hist->Fill((Float_t)j,signal); | |
1443 | } // end for j | |
1444 | } // end for i | |
ece86d9a | 1445 | } |
8a33ae9e | 1446 | //______________________________________________________________________ |
b0f5e3fc | 1447 | void AliITSsimulationSDD::ResetHistograms(){ |
b0f5e3fc | 1448 | // Reset histograms for this detector |
b0f5e3fc | 1449 | Int_t i; |
8a33ae9e | 1450 | |
e8189707 | 1451 | for (i=0;i<fNofMaps;i++ ) { |
2682e810 | 1452 | if (fHis->At(i)) ((TH1F*)fHis->At(i))->Reset(); |
8a33ae9e | 1453 | } // end for i |
b0f5e3fc | 1454 | } |
8a33ae9e | 1455 | //______________________________________________________________________ |
b0f5e3fc | 1456 | TH1F *AliITSsimulationSDD::GetAnode(Int_t wing, Int_t anode) { |
8a33ae9e | 1457 | // Fills a histogram from a give anode. |
1458 | ||
1459 | if (!fHis) return 0; | |
1460 | ||
1461 | if(wing <=0 || wing > 2) { | |
c7a4dac0 | 1462 | Warning("GetAnode","Wrong wing number: %d",wing); |
8a33ae9e | 1463 | return NULL; |
1464 | } // end if wing <=0 || wing >2 | |
1465 | if(anode <=0 || anode > fNofMaps/2) { | |
c7a4dac0 | 1466 | Warning("GetAnode","Wrong anode number: %d",anode); |
8a33ae9e | 1467 | return NULL; |
1468 | } // end if ampde <=0 || andoe > fNofMaps/2 | |
1469 | ||
1470 | Int_t index = (wing-1)*fNofMaps/2 + anode-1; | |
8a33ae9e | 1471 | return (TH1F*)(fHis->At(index)); |
b0f5e3fc | 1472 | } |
8a33ae9e | 1473 | //______________________________________________________________________ |
b0f5e3fc | 1474 | void AliITSsimulationSDD::WriteToFile(TFile *hfile) { |
8a33ae9e | 1475 | // Writes the histograms to a file |
b0f5e3fc | 1476 | |
8a33ae9e | 1477 | if (!fHis) return; |
1478 | ||
1479 | hfile->cd(); | |
1480 | Int_t i; | |
8a33ae9e | 1481 | for(i=0; i<fNofMaps; i++) fHis->At(i)->Write(); //fAdcs[i]->Write(); |
1482 | return; | |
b0f5e3fc | 1483 | } |
8a33ae9e | 1484 | //______________________________________________________________________ |
ece86d9a | 1485 | Float_t AliITSsimulationSDD::GetNoise() { |
8a33ae9e | 1486 | // Returns the noise value |
1487 | //Bool_t do10to8=fResponse->Do10to8(); | |
1488 | //noise will always be in the liniar part of the signal | |
1489 | Int_t decr; | |
1490 | Int_t threshold = fT1[0]; | |
1491 | char opt1[20], opt2[20]; | |
1492 | ||
1493 | fResponse->ParamOptions(opt1,opt2); | |
1494 | fParam=opt2; | |
1495 | char *same = strstr(opt1,"same"); | |
1496 | Float_t noise,baseline; | |
1497 | if (same) { | |
1498 | fResponse->GetNoiseParam(noise,baseline); | |
1499 | } else { | |
1500 | static Bool_t readfile=kTRUE; | |
1501 | //read baseline and noise from file | |
1502 | if (readfile) ReadBaseline(); | |
1503 | readfile=kFALSE; | |
1504 | } // end if same | |
1505 | ||
1506 | TCanvas *c2 = (TCanvas*)gROOT->GetListOfCanvases()->FindObject("c2"); | |
1507 | if(c2) delete c2->GetPrimitive("noisehist"); | |
1508 | if(c2) delete c2->GetPrimitive("anode"); | |
1509 | else c2=new TCanvas("c2"); | |
1510 | c2->cd(); | |
1511 | c2->SetFillColor(0); | |
1512 | ||
1513 | TH1F *noisehist = new TH1F("noisehist","noise",100,0.,(float)2*threshold); | |
1514 | TH1F *anode = new TH1F("anode","Anode Projection",fMaxNofSamples,0., | |
1515 | (float)fMaxNofSamples); | |
1516 | Int_t i,k; | |
1517 | for (i=0;i<fNofMaps;i++) { | |
1518 | CompressionParam(i,decr,threshold); | |
1519 | if (!same) GetAnodeBaseline(i,baseline,noise); | |
1520 | anode->Reset(); | |
1521 | for (k=0;k<fMaxNofSamples;k++) { | |
1522 | Float_t signal=(Float_t)fHitMap2->GetSignal(i,k); | |
1523 | //if (signal <= (float)threshold) noisehist->Fill(signal-baseline); | |
1524 | if (signal <= (float)threshold) noisehist->Fill(signal); | |
1525 | anode->Fill((float)k,signal); | |
1526 | } // end for k | |
1527 | anode->Draw(); | |
1528 | c2->Update(); | |
1529 | } // end for i | |
1530 | TF1 *gnoise = new TF1("gnoise","gaus",0.,threshold); | |
1531 | noisehist->Fit("gnoise","RQ"); | |
1532 | noisehist->Draw(); | |
ece86d9a | 1533 | c2->Update(); |
8a33ae9e | 1534 | Float_t mnoise = gnoise->GetParameter(1); |
1535 | cout << "mnoise : " << mnoise << endl; | |
1536 | Float_t rnoise = gnoise->GetParameter(2); | |
1537 | cout << "rnoise : " << rnoise << endl; | |
1538 | delete noisehist; | |
1539 | return rnoise; | |
c7a4dac0 | 1540 | }//______________________________________________________________________ |
1541 | void AliITSsimulationSDD::WriteSDigits(AliITSpList *pList){ | |
1542 | // Fills the Summable digits Tree | |
1543 | Int_t i,ni,j,nj; | |
1544 | static AliITS *aliITS = (AliITS*)gAlice->GetModule("ITS"); | |
1545 | ||
1546 | pList->GetMaxMapIndex(ni,nj); | |
1547 | for(i=0;i<ni;i++)for(j=0;j<nj;j++){ | |
1548 | if(pList->GetSignalOnly(i,j)>0.5*fT1[0]){ // above small threshold. | |
1549 | aliITS->AddSumDigit(*(pList->GetpListItem(i,j))); | |
1550 | // cout << "pListSDD: " << *(pList->GetpListItem(i,j)) << endl; | |
1551 | } // end if | |
1552 | } // end for i,j | |
1553 | return; | |
b0f5e3fc | 1554 | } |
8a33ae9e | 1555 | //______________________________________________________________________ |
44a312c3 | 1556 | void AliITSsimulationSDD::Print() { |
8a33ae9e | 1557 | // Print SDD simulation Parameters |
1558 | ||
1559 | cout << "**************************************************" << endl; | |
1560 | cout << " Silicon Drift Detector Simulation Parameters " << endl; | |
1561 | cout << "**************************************************" << endl; | |
1562 | cout << "Flag for Perpendicular tracks: " << (Int_t) fFlag << endl; | |
1563 | cout << "Flag for noise checking: " << (Int_t) fCheckNoise << endl; | |
1564 | cout << "Flag to switch off electronics: " << (Int_t) fDoFFT << endl; | |
1565 | cout << "Number pf Anodes used: " << fNofMaps << endl; | |
1566 | cout << "Number of Time Samples: " << fMaxNofSamples << endl; | |
1567 | cout << "Scale size factor: " << fScaleSize << endl; | |
1568 | cout << "**************************************************" << endl; | |
44a312c3 | 1569 | } |