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c7a4dac0 | 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 | ||
5bfe44ce | 16 | /* |
17 | $Id$ | |
18 | */ | |
f8d9a5b8 | 19 | |
5bfe44ce | 20 | #include <Riostream.h> |
b0f5e3fc | 21 | #include <TH1.h> |
9f033001 | 22 | #include <TString.h> |
e8189707 | 23 | #include "AliITS.h" |
e869281d | 24 | #include "AliITSdigitSPD.h" |
5bfe44ce | 25 | #include "AliITShit.h" |
9f033001 | 26 | #include "AliITSmodule.h" |
c7a4dac0 | 27 | #include "AliITSpList.h" |
5bfe44ce | 28 | #include "AliITSCalibrationSPD.h" |
29 | #include "AliITSsegmentationSPD.h" | |
b0f5e3fc | 30 | #include "AliITSsimulationSPD.h" |
f77f13c8 | 31 | #include "AliLog.h" |
5bfe44ce | 32 | #include "AliRun.h" |
590d15ee | 33 | #include "AliCDBEntry.h" |
34 | #include "AliCDBLocal.h" | |
9f033001 | 35 | |
bb6b39bf | 36 | //#define DEBUG |
e8189707 | 37 | |
b0f5e3fc | 38 | ClassImp(AliITSsimulationSPD) |
39 | //////////////////////////////////////////////////////////////////////// | |
5bfe44ce | 40 | // Version: 1 |
590d15ee | 41 | // Modified by D. Elia, G.E. Bruno, H. Tydesjo |
42 | // Fast diffusion code by Bjorn S. Nilsen | |
5bfe44ce | 43 | // March-April 2006 |
b0f5e3fc | 44 | // |
5bfe44ce | 45 | // Version: 0 |
46 | // Written by Boris Batyunya | |
47 | // December 20 1999 | |
21b825a4 | 48 | // |
5bfe44ce | 49 | // |
50 | // AliITSsimulationSPD is to do the simulation of SPDs. | |
51 | // | |
52 | //////////////////////////////////////////////////////////////////////// | |
53 | ||
c7a4dac0 | 54 | //______________________________________________________________________ |
5bfe44ce | 55 | AliITSsimulationSPD::AliITSsimulationSPD(): |
56 | AliITSsimulation(), | |
57 | fHis(0), | |
58 | fSPDname(), | |
59 | fCoupling(){ | |
60 | // Default constructor. | |
61 | // Inputs: | |
aacedc3e | 62 | // none. |
63 | // Outputs: | |
64 | // none. | |
65 | // Return: | |
66 | // A default constructed AliITSsimulationSPD class. | |
5bfe44ce | 67 | |
68 | AliDebug(1,Form("Calling default constructor")); | |
69 | // Init(); | |
b0f5e3fc | 70 | } |
c7a4dac0 | 71 | //______________________________________________________________________ |
8ba39da9 | 72 | AliITSsimulationSPD::AliITSsimulationSPD(AliITSDetTypeSim *dettyp): |
73 | AliITSsimulation(dettyp), | |
5bfe44ce | 74 | fHis(0), |
75 | fSPDname(), | |
76 | fCoupling(){ | |
77 | // standard constructor | |
78 | // Inputs: | |
79 | // AliITSsegmentation *seg A pointer to the segmentation class | |
80 | // to be used for this simulation | |
81 | // AliITSCalibration *resp A pointer to the responce class to | |
82 | // be used for this simulation | |
aacedc3e | 83 | // Outputs: |
84 | // none. | |
85 | // Return: | |
5bfe44ce | 86 | // A default constructed AliITSsimulationSPD class. |
aacedc3e | 87 | |
5bfe44ce | 88 | AliDebug(1,Form("Calling standard constructor ")); |
89 | // AliITSCalibrationSPD* res = (AliITSCalibrationSPD*)GetCalibrationModel(fDetType->GetITSgeom()->GetStartSPD()); | |
90 | // res->SetTemperature(0.0); | |
91 | // res->SetDistanceOverVoltage(0.0); | |
aacedc3e | 92 | Init(); |
93 | } | |
94 | //______________________________________________________________________ | |
5bfe44ce | 95 | void AliITSsimulationSPD::Init(){ |
96 | // Initilization | |
aacedc3e | 97 | // Inputs: |
98 | // none. | |
99 | // Outputs: | |
100 | // none. | |
101 | // Return: | |
102 | // none. | |
5bfe44ce | 103 | const Double_t kmictocm = 1.0e-4; // convert microns to cm. |
c7a4dac0 | 104 | |
5bfe44ce | 105 | SetModuleNumber(0); |
106 | SetEventNumber(0); | |
107 | SetMap(new AliITSpList(GetNPixelsZ(),GetNPixelsX())); | |
108 | AliITSCalibrationSPD* res = (AliITSCalibrationSPD*)GetCalibrationModel(fDetType->GetITSgeom()->GetStartSPD()); | |
8ba39da9 | 109 | AliITSsegmentationSPD* seg = (AliITSsegmentationSPD*)GetSegmentationModel(0); |
5bfe44ce | 110 | Double_t bias = res->GetBiasVoltage(); |
111 | // cout << "Bias Voltage --> " << bias << endl; // dom | |
112 | res->SetDistanceOverVoltage(kmictocm*seg->Dy(),bias); | |
113 | // set kind of coupling ("old" or "new") | |
114 | char opt[20]; | |
115 | res->GetCouplingOption(opt); | |
116 | char *old = strstr(opt,"old"); | |
117 | if (old) { | |
118 | fCoupling=2; | |
119 | } else { | |
120 | fCoupling=1; | |
121 | } // end if | |
122 | ||
123 | // Get the calibration objects for each module(ladder) | |
124 | GetCalibrationObjects(0); //RunNr 0 hard coded for now | |
c7a4dac0 | 125 | |
c7a4dac0 | 126 | } |
127 | //______________________________________________________________________ | |
5bfe44ce | 128 | AliITSsimulationSPD::~AliITSsimulationSPD(){ |
c7a4dac0 | 129 | // destructor |
5bfe44ce | 130 | // Inputs: |
aacedc3e | 131 | // none. |
132 | // Outputs: | |
133 | // none. | |
134 | // Return: | |
5bfe44ce | 135 | // none. |
b0f5e3fc | 136 | |
c7a4dac0 | 137 | if (fHis) { |
aacedc3e | 138 | fHis->Delete(); |
139 | delete fHis; | |
5bfe44ce | 140 | } // end if fHis |
b0f5e3fc | 141 | } |
c7a4dac0 | 142 | //______________________________________________________________________ |
5bfe44ce | 143 | AliITSsimulationSPD::AliITSsimulationSPD(const |
144 | AliITSsimulationSPD | |
145 | &s) : AliITSsimulation(s){ | |
146 | // Copy Constructor | |
147 | // Inputs: | |
148 | // AliITSsimulationSPD &s The original class for which | |
149 | // this class is a copy of | |
aacedc3e | 150 | // Outputs: |
151 | // none. | |
152 | // Return: | |
c7a4dac0 | 153 | |
5bfe44ce | 154 | *this = s; |
c7a4dac0 | 155 | return; |
b0f5e3fc | 156 | } |
c7a4dac0 | 157 | //______________________________________________________________________ |
5bfe44ce | 158 | AliITSsimulationSPD& AliITSsimulationSPD::operator=(const |
159 | AliITSsimulationSPD &s){ | |
c7a4dac0 | 160 | // Assignment operator |
5bfe44ce | 161 | // Inputs: |
162 | // AliITSsimulationSPD &s The original class for which | |
163 | // this class is a copy of | |
aacedc3e | 164 | // Outputs: |
165 | // none. | |
166 | // Return: | |
c7a4dac0 | 167 | |
5bfe44ce | 168 | if(&s == this) return *this; |
169 | this->fHis = s.fHis; | |
170 | fCoupling = s.fCoupling; | |
171 | fSPDname = s.fSPDname; | |
c7a4dac0 | 172 | return *this; |
5bfe44ce | 173 | } |
d2f55a22 | 174 | //______________________________________________________________________ |
5bfe44ce | 175 | AliITSsimulation& AliITSsimulationSPD::operator=(const |
176 | AliITSsimulation &s){ | |
d2f55a22 | 177 | // Assignment operator |
5bfe44ce | 178 | // Inputs: |
179 | // AliITSsimulationSPD &s The original class for which | |
180 | // this class is a copy of | |
d2f55a22 | 181 | // Outputs: |
182 | // none. | |
183 | // Return: | |
d2f55a22 | 184 | |
5bfe44ce | 185 | if(&s == this) return *this; |
d2f55a22 | 186 | Error("AliITSsimulationSPD","Not allowed to make a = with " |
5bfe44ce | 187 | "AliITSsimulationSPD","Using default creater instead"); |
d2f55a22 | 188 | |
189 | return *this; | |
5bfe44ce | 190 | } |
d2f55a22 | 191 | |
3a97c582 | 192 | //______________________________________________________________________ |
5bfe44ce | 193 | void AliITSsimulationSPD::GetCalibrationObjects(Int_t RunNr) { |
590d15ee | 194 | // Gets the calibration objects for each module (ladder) |
195 | // Inputs: | |
196 | // RunNr: hard coded to RunNr=0 for now | |
197 | // Outputs: | |
198 | // none. | |
199 | // Return: | |
200 | // none. | |
201 | ||
5bfe44ce | 202 | AliCDBManager* man = AliCDBManager::Instance(); |
203 | if(!man->IsDefaultStorageSet()) { | |
204 | man->SetDefaultStorage("local://$ALICE_ROOT"); | |
205 | } | |
206 | AliCDBEntry *entrySPD = man->Get("ITS/Calib/CalibSPD", RunNr); | |
207 | if(!entrySPD){ | |
208 | AliWarning("Cannot find SPD calibration entry!"); | |
209 | return; | |
210 | } | |
211 | TObjArray *respSPD = (TObjArray *)entrySPD->GetObject(); | |
212 | if ((! respSPD)) { | |
213 | AliWarning("Cannot get data from SPD database entry!"); | |
214 | return; | |
215 | } | |
216 | for (Int_t mod=0; mod<240; mod++) { | |
590d15ee | 217 | fCalObj[mod] = (AliITSCalibrationSPD*) respSPD->At(mod); |
5bfe44ce | 218 | } |
219 | } | |
220 | ||
221 | //______________________________________________________________________ | |
222 | void AliITSsimulationSPD::InitSimulationModule(Int_t module, Int_t event){ | |
223 | // This function creates maps to build the list of tracks for each | |
224 | // summable digit. Inputs defined by base class. | |
225 | // Inputs: | |
226 | // Int_t module // Module number to be simulated | |
227 | // Int_t event // Event number to be simulated | |
228 | // Outputs: | |
229 | // none | |
230 | // Returns: | |
231 | // none | |
232 | ||
233 | AliDebug(1,Form("(module=%d,event=%d)",module,event)); | |
234 | SetModuleNumber(module); | |
235 | SetEventNumber(event); | |
236 | ClearMap(); | |
237 | } | |
238 | //_____________________________________________________________________ | |
239 | void AliITSsimulationSPD::SDigitiseModule(AliITSmodule *mod,Int_t, | |
240 | Int_t event){ | |
241 | // This function begins the work of creating S-Digits. Inputs defined | |
242 | // by base class. | |
243 | // Inputs: | |
244 | // AliITSmodule *mod // module | |
245 | // Int_t // not used | |
246 | // Int_t event // Event number | |
247 | // Outputs: | |
248 | // none | |
249 | // Return: | |
250 | // test // test returns kTRUE if the module contained hits | |
251 | // // test returns kFALSE if it did not contain hits | |
252 | ||
253 | AliDebug(1,Form("(mod=%p, ,event=%d)",mod,event)); | |
254 | if(!(mod->GetNhits())){ | |
255 | AliDebug(1,Form("In event %d module %d there are %d hits returning.", | |
256 | event, mod->GetIndex(),mod->GetNhits())); | |
257 | return;// if module has no hits don't create Sdigits | |
258 | } // end if | |
259 | SetModuleNumber(mod->GetIndex()); | |
260 | SetEventNumber(event); | |
261 | // HitToSDigit(mod); | |
262 | HitToSDigitFast(mod); | |
590d15ee | 263 | RemoveDeadPixels(mod); |
264 | // cout << "After Remove in SDigitiseModule !!!!!" << endl; // dom | |
265 | // cout << "Module " << mod->GetIndex() << " Event " << event << endl; // dom | |
5bfe44ce | 266 | WriteSDigits(); |
267 | ClearMap(); | |
268 | } | |
269 | //______________________________________________________________________ | |
270 | void AliITSsimulationSPD::WriteSDigits(){ | |
271 | // This function adds each S-Digit to pList | |
272 | // Inputs: | |
3a97c582 | 273 | // none. |
5bfe44ce | 274 | // Outputs: |
275 | // none. | |
276 | // Return: | |
277 | // none | |
278 | Int_t ix, nix, iz, niz; | |
279 | static AliITS *aliITS = (AliITS*)gAlice->GetModule("ITS"); | |
280 | ||
281 | AliDebug(1,Form("Writing SDigits for module %d",GetModuleNumber())); | |
590d15ee | 282 | // cout << "WriteSDigits for module " << GetModuleNumber() << endl; // dom |
5bfe44ce | 283 | GetMap()->GetMaxMapIndex(niz, nix); |
284 | for(iz=0; iz<niz; iz++)for(ix=0; ix<nix; ix++){ | |
285 | if(GetMap()->GetSignalOnly(iz,ix)>0.0){ | |
590d15ee | 286 | // cout << " Signal gt 0 iz ix " << iz << ix << " Module " << GetModuleNumber() << endl; // dom |
5bfe44ce | 287 | aliITS->AddSumDigit(*(GetMap()->GetpListItem(iz,ix))); |
288 | if(AliDebugLevel()>0) { | |
289 | AliDebug(1,Form("%d, %d",iz,ix)); | |
290 | cout << *(GetMap()->GetpListItem(iz,ix)) << endl; | |
291 | } // end if GetDebug | |
292 | } // end if GetMap()->GetSignalOnly(iz,ix)>0.0 | |
293 | } // end for iz,ix | |
294 | return; | |
3a97c582 | 295 | } |
296 | //______________________________________________________________________ | |
297 | void AliITSsimulationSPD::FinishSDigitiseModule(){ | |
5bfe44ce | 298 | // This function calls SDigitsToDigits which creates Digits from SDigits |
299 | // Inputs: | |
300 | // none | |
301 | // Outputs: | |
302 | // none | |
303 | // Return | |
304 | // none | |
305 | ||
306 | AliDebug(1,"()"); | |
590d15ee | 307 | // cout << "FinishSDigitiseModule for module " << GetModuleNumber() << endl; // dom |
308 | FrompListToDigits(); // Charge To Signal both adds noise and | |
5bfe44ce | 309 | ClearMap(); |
310 | return; | |
311 | } | |
312 | //______________________________________________________________________ | |
313 | void AliITSsimulationSPD::DigitiseModule(AliITSmodule *mod,Int_t, | |
314 | Int_t){ | |
315 | // This function creates Digits straight from the hits and then adds | |
316 | // electronic noise to the digits before adding them to pList | |
317 | // Each of the input variables is passed along to HitToSDigit | |
318 | // Inputs: | |
319 | // AliITSmodule *mod module | |
320 | // Int_t Dummy. | |
321 | // Int_t Dummy | |
322 | // Outputs: | |
323 | // none. | |
324 | // Return: | |
325 | // none. | |
3a97c582 | 326 | |
5bfe44ce | 327 | AliDebug(1,Form("(mod=%p,,)",mod)); |
328 | // HitToSDigit(mod); | |
329 | HitToSDigitFast(mod); | |
330 | RemoveDeadPixels(mod); | |
590d15ee | 331 | // cout << "After Remove in DigitiseModule in module " << mod->GetIndex() << endl; // dom |
332 | FrompListToDigits(); | |
5bfe44ce | 333 | ClearMap(); |
c7a4dac0 | 334 | } |
335 | //______________________________________________________________________ | |
5bfe44ce | 336 | void AliITSsimulationSPD::HitToSDigit(AliITSmodule *mod){ |
337 | // Does the charge distributions using Gaussian diffusion charge charing. | |
aacedc3e | 338 | // Inputs: |
5bfe44ce | 339 | // AliITSmodule *mod Pointer to this module |
340 | // Output: | |
341 | // none. | |
aacedc3e | 342 | // Return: |
5bfe44ce | 343 | // none. |
344 | const Double_t kmictocm = 1.0e-4; // convert microns to cm. | |
345 | TObjArray *hits = mod->GetHits(); | |
346 | Int_t nhits = hits->GetEntriesFast(); | |
347 | Int_t h,ix,iz,i; | |
348 | Int_t idtrack; | |
349 | Double_t x0=0.0,x1=0.0,y0=0.0,y1=0.0,z0=0.0,z1=0.0,de=0.0; | |
350 | Double_t x,y,z,t,tp,st,dt=0.2,el,sig,sigx,sigz,fda; | |
351 | AliITSsegmentationSPD* seg = (AliITSsegmentationSPD*)GetSegmentationModel(0); | |
352 | AliITSCalibrationSPD* res = (AliITSCalibrationSPD*)GetCalibrationModel(fDetType->GetITSgeom()->GetStartSPD()); | |
353 | Double_t thick = 0.5*kmictocm*seg->Dy(); // Half Thickness | |
354 | res->GetSigmaDiffusionAsymmetry(fda); | |
355 | ||
356 | AliDebug(1,Form("(mod=%p) fCoupling=%d",mod,fCoupling)); | |
357 | if(nhits<=0) return; | |
358 | for(h=0;h<nhits;h++){ | |
359 | if(AliDebugLevel()>0) { | |
360 | AliDebug(1,Form("Hits, %d", h)); | |
361 | cout << *(mod->GetHit(h)) << endl; | |
362 | } // end if GetDebug | |
363 | if(!mod->LineSegmentL(h,x0,x1,y0,y1,z0,z1,de,idtrack)) continue; | |
364 | st = TMath::Sqrt(x1*x1+y1*y1+z1*z1); | |
365 | if(st>0.0){ | |
366 | st = (Double_t)((Int_t)(st/kmictocm)); // number of microns | |
367 | if(st<=1.0) st = 1.0; | |
368 | dt = 1.0/st; | |
369 | for(t=0.0;t<1.0;t+=dt){ // Integrate over t | |
370 | tp = t+0.5*dt; | |
371 | x = x0+x1*tp; | |
372 | y = y0+y1*tp; | |
373 | z = z0+z1*tp; | |
374 | if(!(seg->LocalToDet(x,z,ix,iz))) continue; // outside | |
375 | el = res->GeVToCharge((Double_t)(dt*de)); | |
376 | if(GetDebug(1)){ | |
377 | if(el<=0.0) cout<<"el="<<el<<" dt="<<dt | |
378 | <<" de="<<de<<endl; | |
379 | } // end if GetDebug | |
380 | sig = res->SigmaDiffusion1D(TMath::Abs(thick + y)); | |
381 | // SpreadCharge(x,z,ix,iz,el,sig,idtrack,h); | |
382 | sigx=sig; | |
383 | sigz=sig*fda; | |
384 | SpreadChargeAsym(x,z,ix,iz,el,sigx,sigz,idtrack,h); | |
385 | cout << "sigx, sigz, y "<< sigx << " " << sigz<< " " << TMath::Abs(thick + y) << endl;// ciccio | |
386 | } // end for t | |
387 | } else { // st == 0.0 deposit it at this point | |
388 | x = x0; | |
389 | y = y0; | |
390 | z = z0; | |
391 | if(!(seg->LocalToDet(x,z,ix,iz))) continue; // outside | |
392 | el = res->GeVToCharge((Double_t)de); | |
393 | sig = res->SigmaDiffusion1D(TMath::Abs(thick + y)); | |
394 | // SpreadCharge(x,z,ix,iz,el,sig,idtrack,h); | |
395 | sigx=sig; | |
396 | sigz=sig*fda; | |
397 | SpreadChargeAsym(x,z,ix,iz,el,sigx,sigz,idtrack,h); | |
398 | } // end if st>0.0 | |
399 | // Coupling | |
400 | switch (fCoupling) { | |
401 | default: | |
402 | break; | |
403 | case 1: //case 3: | |
5bfe44ce | 404 | for(i=0;i<GetMap()->GetEntries();i++) |
405 | if(GetMap()->GetpListItem(i)==0) continue; | |
406 | else{ | |
590d15ee | 407 | GetMap()->GetMapIndex(GetMap()->GetpListItem(i)->GetIndex(),iz,ix); |
5bfe44ce | 408 | SetCoupling(iz,ix,idtrack,h); |
409 | } // end for i | |
410 | break; | |
411 | case 2: // case 4: | |
5bfe44ce | 412 | for(i=0;i<GetMap()->GetEntries();i++) |
413 | if(GetMap()->GetpListItem(i)==0) continue; | |
414 | else{ | |
590d15ee | 415 | GetMap()->GetMapIndex(GetMap()->GetpListItem(i)->GetIndex(),iz,ix); |
5bfe44ce | 416 | SetCouplingOld(iz,ix,idtrack,h); |
417 | } // end for i | |
418 | break; | |
419 | } // end switch | |
420 | } // Loop over all hits h | |
421 | if(GetDebug(2))Info("HitToSDigit","Finished fCoupling=%d",fCoupling); | |
c7a4dac0 | 422 | } |
423 | //______________________________________________________________________ | |
5bfe44ce | 424 | void AliITSsimulationSPD::HitToSDigitFast(AliITSmodule *mod){ |
425 | // Does the charge distributions using Gaussian diffusion charge charing. // Inputs: | |
426 | // AliITSmodule *mod Pointer to this module | |
427 | // Output: | |
428 | // none. | |
aacedc3e | 429 | // Return: |
5bfe44ce | 430 | // none. |
431 | const Double_t kmictocm = 1.0e-4; // convert microns to cm. | |
590d15ee | 432 | const Int_t kn10=10; |
433 | const Double_t kti[kn10]={7.443716945e-3,2.166976971e-1,3.397047841e-1, | |
5bfe44ce | 434 | 4.325316833e-1,4.869532643e-1,5.130467358e-1, |
435 | 5.674683167e-1,6.602952159e-1,7.833023029e-1, | |
436 | 9.255628306e-1}; | |
590d15ee | 437 | const Double_t kwi[kn10]={1.477621124e-1,1.346333597e-1,1.095431813e-1, |
5bfe44ce | 438 | 7.472567455e-2,3.333567215e-2,3.333567215e-2, |
439 | 7.472567455e-2,1.095431813e-1,1.346333597e-1, | |
440 | 1.477621124e-1}; | |
441 | TObjArray *hits = mod->GetHits(); | |
442 | Int_t nhits = hits->GetEntriesFast(); | |
443 | Int_t h,ix,iz,i; | |
444 | Int_t idtrack; | |
445 | Double_t x0=0.0,x1=0.0,y0=0.0,y1=0.0,z0=0.0,z1=0.0,de=0.0; | |
446 | Double_t x,y,z,t,st,el,sig,sigx,sigz,fda; | |
447 | AliITSsegmentationSPD* seg = (AliITSsegmentationSPD*)GetSegmentationModel(0); | |
448 | AliITSCalibrationSPD* res = (AliITSCalibrationSPD*)GetCalibrationModel(fDetType->GetITSgeom()->GetStartSPD()); | |
449 | Double_t thick = 0.5*kmictocm*seg->Dy(); // Half thickness | |
450 | res->GetSigmaDiffusionAsymmetry(fda); | |
451 | // cout << "Half Thickness " << thick << endl; // dom | |
452 | // cout << "Diffusion asymm " << fda << endl; // dom | |
453 | ||
454 | AliDebug(1,Form("(mod=%p) fCoupling=%d",mod,fCoupling)); | |
455 | if(nhits<=0) return; | |
456 | for(h=0;h<nhits;h++){ | |
457 | if(AliDebugLevel()>0) { | |
458 | AliDebug(1,Form("Hits, %d", h)); | |
459 | cout << *(mod->GetHit(h)) << endl; | |
460 | } // end if GetDebug | |
461 | if(!mod->LineSegmentL(h,x0,x1,y0,y1,z0,z1,de,idtrack)) continue; | |
462 | st = TMath::Sqrt(x1*x1+y1*y1+z1*z1); | |
590d15ee | 463 | if(st>0.0) for(i=0;i<kn10;i++){ // Integrate over t |
464 | t = kti[i]; | |
5bfe44ce | 465 | x = x0+x1*t; |
466 | y = y0+y1*t; | |
467 | z = z0+z1*t; | |
468 | if(!(seg->LocalToDet(x,z,ix,iz))) continue; // outside | |
469 | // el = res->GeVToCharge((Double_t)(dt*de)); | |
590d15ee | 470 | // el = 1./kn10*res->GeVToCharge((Double_t)de); |
471 | el = kwi[i]*res->GeVToCharge((Double_t)de); | |
5bfe44ce | 472 | if(GetDebug(1)){ |
590d15ee | 473 | if(el<=0.0) cout<<"el="<<el<<" kwi["<<i<<"]="<<kwi[i] |
5bfe44ce | 474 | <<" de="<<de<<endl; |
475 | } // end if GetDebug | |
476 | sig = res->SigmaDiffusion1D(TMath::Abs(thick + y)); | |
477 | sigx=sig; | |
478 | sigz=sig*fda; | |
479 | //SpreadCharge(x,z,ix,iz,el,sig,idtrack,h); | |
480 | SpreadChargeAsym(x,z,ix,iz,el,sigx,sigz,idtrack,h); | |
481 | // cout << "sigx sigz " << sigx << " " << sigz << endl; // dom | |
482 | } // end for i // End Integrate over t | |
483 | else { // st == 0.0 deposit it at this point | |
484 | x = x0; | |
485 | y = y0; | |
486 | z = z0; | |
487 | if(!(seg->LocalToDet(x,z,ix,iz))) continue; // outside | |
488 | el = res->GeVToCharge((Double_t)de); | |
489 | sig = res->SigmaDiffusion1D(TMath::Abs(thick + y)); | |
490 | //SpreadCharge(x,z,ix,iz,el,sig,idtrack,h); | |
491 | sigx=sig; | |
492 | sigz=sig*fda; | |
493 | SpreadChargeAsym(x,z,ix,iz,el,sigx,sigz,idtrack,h); | |
494 | } // end if st>0.0 | |
495 | // Coupling | |
496 | switch (fCoupling) { | |
497 | default: | |
498 | break; | |
499 | case 1: // case 3: | |
5bfe44ce | 500 | for(i=0;i<GetMap()->GetEntries();i++) |
501 | if(GetMap()->GetpListItem(i)==0) continue; | |
502 | else{ | |
590d15ee | 503 | GetMap()->GetMapIndex(GetMap()->GetpListItem(i)->GetIndex(),iz,ix); |
5bfe44ce | 504 | SetCoupling(iz,ix,idtrack,h); |
505 | } // end for i | |
506 | break; | |
507 | case 2: // case 4: | |
5bfe44ce | 508 | for(i=0;i<GetMap()->GetEntries();i++) |
509 | if(GetMap()->GetpListItem(i)==0) continue; | |
510 | else{ | |
590d15ee | 511 | GetMap()->GetMapIndex(GetMap()->GetpListItem(i)->GetIndex(),iz,ix); |
512 | SetCouplingOld(iz,ix,idtrack,h); | |
5bfe44ce | 513 | } // end for i |
514 | break; | |
515 | } // end switch | |
516 | } // Loop over all hits h | |
517 | if(GetDebug(2))Info("HitToSDigit","Finished fCoupling=%d",fCoupling); | |
21b825a4 | 518 | } |
c7a4dac0 | 519 | //______________________________________________________________________ |
5bfe44ce | 520 | void AliITSsimulationSPD::SpreadCharge(Double_t x0,Double_t z0, |
521 | Int_t ix0,Int_t iz0, | |
522 | Double_t el,Double_t sig,Int_t t, | |
523 | Int_t hi){ | |
524 | // Spreads the charge over neighboring cells. Assume charge is distributed | |
525 | // as charge(x,z) = (el/2*pi*sig*sig)*exp(-arg) | |
526 | // arg=((x-x0)*(x-x0)/2*sig*sig)+((z-z0*z-z0)/2*sig*sig) | |
527 | // Defined this way, the integral over all x and z is el. | |
aacedc3e | 528 | // Inputs: |
5bfe44ce | 529 | // Double_t x0 x position of point where charge is liberated |
530 | // Double_t y0 y position of point where charge is liberated | |
531 | // Double_t z0 z position of point where charge is liberated | |
532 | // Int_t ix0 row of cell corresponding to point x0 | |
533 | // Int_t iz0 columb of cell corresponding to point z0 | |
534 | // Double_t el number of electrons liberated in this step | |
535 | // Double_t sig Sigma difusion for this step (y0 dependent) | |
536 | // Int_t t track number | |
537 | // Int_t ti hit track index number | |
538 | // Int_t hi hit "hit" index number | |
aacedc3e | 539 | // Outputs: |
5bfe44ce | 540 | // none. |
aacedc3e | 541 | // Return: |
5bfe44ce | 542 | // none. |
543 | const Int_t knx = 3,knz = 2; | |
544 | const Double_t kRoot2 = 1.414213562; // Sqrt(2). | |
545 | const Double_t kmictocm = 1.0e-4; // convert microns to cm. | |
546 | Int_t ix,iz,ixs,ixe,izs,ize; | |
547 | Float_t x,z; | |
548 | Double_t x1,x2,z1,z2,s,sp; | |
549 | AliITSsegmentationSPD* seg = (AliITSsegmentationSPD*)GetSegmentationModel(0); | |
21b825a4 | 550 | |
3a97c582 | 551 | |
5bfe44ce | 552 | if(GetDebug(4)) Info("SpreadCharge","(x0=%e,z0=%e,ix0=%d,iz0=%d,el=%e," |
553 | "sig=%e,t=%d,i=%d)",x0,z0,ix0,iz0,el,sig,t,hi); | |
554 | if(sig<=0.0) { // if sig<=0 No diffusion to simulate. | |
555 | GetMap()->AddSignal(iz0,ix0,t,hi,GetModuleNumber(),el); | |
556 | if(GetDebug(2)){ | |
557 | cout << "sig<=0.0=" << sig << endl; | |
558 | } // end if GetDebug | |
559 | return; | |
560 | } // end if | |
561 | sp = 1.0/(sig*kRoot2); | |
562 | if(GetDebug(2)){ | |
563 | cout << "sig=" << sig << " sp=" << sp << endl; | |
564 | } // end if GetDebug | |
565 | ixs = TMath::Max(-knx+ix0,0); | |
566 | ixe = TMath::Min(knx+ix0,seg->Npx()-1); | |
567 | izs = TMath::Max(-knz+iz0,0); | |
568 | ize = TMath::Min(knz+iz0,seg->Npz()-1); | |
569 | for(ix=ixs;ix<=ixe;ix++) for(iz=izs;iz<=ize;iz++){ | |
570 | seg->DetToLocal(ix,iz,x,z); // pixel center | |
571 | x1 = x; | |
572 | z1 = z; | |
573 | x2 = x1 + 0.5*kmictocm*seg->Dpx(ix); // Upper | |
574 | x1 -= 0.5*kmictocm*seg->Dpx(ix); // Lower | |
575 | z2 = z1 + 0.5*kmictocm*seg->Dpz(iz); // Upper | |
576 | z1 -= 0.5*kmictocm*seg->Dpz(iz); // Lower | |
577 | x1 -= x0; // Distance from where track traveled | |
578 | x2 -= x0; // Distance from where track traveled | |
579 | z1 -= z0; // Distance from where track traveled | |
580 | z2 -= z0; // Distance from where track traveled | |
581 | s = 0.25; // Correction based on definision of Erfc | |
582 | s *= TMath::Erfc(sp*x1) - TMath::Erfc(sp*x2); | |
583 | if(GetDebug(3)){ | |
584 | cout <<"el="<<el<<" ix0="<<ix0<<" ix="<<ix<<" x0="<<x<< | |
585 | " iz0="<<iz0<<" iz="<<iz<<" z0="<<z<< | |
586 | " sp*x1="<<sp*x1<<" sp*x2="<<sp*x2<<" s="<<s; | |
587 | } // end if GetDebug | |
588 | s *= TMath::Erfc(sp*z1) - TMath::Erfc(sp*z2); | |
589 | if(GetDebug(3)){ | |
590 | cout<<" sp*z1="<<sp*z1<<" sp*z2="<<sp*z2<<" s="<<s<< endl; | |
591 | } // end if GetDebug | |
592 | GetMap()->AddSignal(iz,ix,t,hi,GetModuleNumber(),s*el); | |
593 | } // end for ix, iz | |
c7a4dac0 | 594 | } |
595 | //______________________________________________________________________ | |
5bfe44ce | 596 | void AliITSsimulationSPD::SpreadChargeAsym(Double_t x0,Double_t z0, |
597 | Int_t ix0,Int_t iz0, | |
598 | Double_t el,Double_t sigx,Double_t sigz, | |
599 | Int_t t,Int_t hi){ | |
600 | // Spreads the charge over neighboring cells. Assume charge is distributed | |
601 | // as charge(x,z) = (el/2*pi*sigx*sigz)*exp(-arg) | |
602 | // arg=((x-x0)*(x-x0)/2*sigx*sigx)+((z-z0*z-z0)/2*sigz*sigz) | |
603 | // Defined this way, the integral over all x and z is el. | |
aacedc3e | 604 | // Inputs: |
5bfe44ce | 605 | // Double_t x0 x position of point where charge is liberated |
606 | // Double_t y0 y position of point where charge is liberated | |
607 | // Double_t z0 z position of point where charge is liberated | |
608 | // Int_t ix0 row of cell corresponding to point x0 | |
609 | // Int_t iz0 columb of cell corresponding to point z0 | |
610 | // Double_t el number of electrons liberated in this step | |
611 | // Double_t sigx Sigma difusion along x for this step (y0 dependent) | |
612 | // Double_t sigz Sigma difusion along z for this step (y0 dependent) | |
613 | // Int_t t track number | |
614 | // Int_t ti hit track index number | |
615 | // Int_t hi hit "hit" index number | |
aacedc3e | 616 | // Outputs: |
5bfe44ce | 617 | // none. |
aacedc3e | 618 | // Return: |
5bfe44ce | 619 | // none. |
620 | const Int_t knx = 3,knz = 2; | |
621 | const Double_t kRoot2 = 1.414213562; // Sqrt(2). | |
622 | const Double_t kmictocm = 1.0e-4; // convert microns to cm. | |
623 | Int_t ix,iz,ixs,ixe,izs,ize; | |
624 | Float_t x,z; | |
625 | Double_t x1,x2,z1,z2,s,spx,spz; | |
626 | AliITSsegmentationSPD* seg = (AliITSsegmentationSPD*)GetSegmentationModel(0); | |
627 | ||
c7a4dac0 | 628 | |
5bfe44ce | 629 | if(GetDebug(4)) Info("SpreadCharge","(x0=%e,z0=%e,ix0=%d,iz0=%d,el=%e," |
630 | "sig=%e,t=%d,i=%d)",x0,z0,ix0,iz0,el,sigx,sigz,t,hi); | |
631 | if(sigx<=0.0 || sigz<=0.0) { // if sig<=0 No diffusion to simulate. | |
632 | GetMap()->AddSignal(iz0,ix0,t,hi,GetModuleNumber(),el); | |
633 | if(GetDebug(2)){ | |
634 | cout << "sigx<=0.0=" << sigx << endl; | |
635 | cout << "sigz<=0.0=" << sigz << endl; | |
636 | } // end if GetDebug | |
637 | return; | |
638 | } // end if | |
639 | spx = 1.0/(sigx*kRoot2); spz = 1.0/(sigz*kRoot2); | |
640 | if(GetDebug(2)){ | |
641 | cout << "sigx=" << sigx << " spx=" << spx << endl; | |
642 | cout << "sigz=" << sigz << " spz=" << spz << endl; | |
643 | } // end if GetDebug | |
644 | ixs = TMath::Max(-knx+ix0,0); | |
645 | ixe = TMath::Min(knx+ix0,seg->Npx()-1); | |
646 | izs = TMath::Max(-knz+iz0,0); | |
647 | ize = TMath::Min(knz+iz0,seg->Npz()-1); | |
648 | for(ix=ixs;ix<=ixe;ix++) for(iz=izs;iz<=ize;iz++){ | |
649 | seg->DetToLocal(ix,iz,x,z); // pixel center | |
650 | x1 = x; | |
651 | z1 = z; | |
652 | x2 = x1 + 0.5*kmictocm*seg->Dpx(ix); // Upper | |
653 | x1 -= 0.5*kmictocm*seg->Dpx(ix); // Lower | |
654 | z2 = z1 + 0.5*kmictocm*seg->Dpz(iz); // Upper | |
655 | z1 -= 0.5*kmictocm*seg->Dpz(iz); // Lower | |
656 | x1 -= x0; // Distance from where track traveled | |
657 | x2 -= x0; // Distance from where track traveled | |
658 | z1 -= z0; // Distance from where track traveled | |
659 | z2 -= z0; // Distance from where track traveled | |
660 | s = 0.25; // Correction based on definision of Erfc | |
661 | s *= TMath::Erfc(spx*x1) - TMath::Erfc(spx*x2); | |
662 | if(GetDebug(3)){ | |
663 | cout <<"el="<<el<<" ix0="<<ix0<<" ix="<<ix<<" x0="<<x<< | |
664 | " iz0="<<iz0<<" iz="<<iz<<" z0="<<z<< | |
665 | " spx*x1="<<spx*x1<<" spx*x2="<<spx*x2<<" s="<<s; | |
666 | } // end if GetDebug | |
667 | s *= TMath::Erfc(spz*z1) - TMath::Erfc(spz*z2); | |
668 | if(GetDebug(3)){ | |
669 | cout<<" spz*z1="<<spz*z1<<" spz*z2="<<spz*z2<<" s="<<s<< endl; | |
670 | } // end if GetDebug | |
671 | GetMap()->AddSignal(iz,ix,t,hi,GetModuleNumber(),s*el); | |
672 | } // end for ix, iz | |
c7a4dac0 | 673 | } |
674 | //______________________________________________________________________ | |
5bfe44ce | 675 | void AliITSsimulationSPD::RemoveDeadPixels(AliITSmodule *mod){ |
590d15ee | 676 | // Removes dead pixels on each module (ladder) |
677 | // Inputs: | |
678 | // Module Index (0,239) | |
679 | // Outputs: | |
680 | // none. | |
681 | // Return: | |
682 | // none. | |
683 | ||
684 | Int_t moduleNr = mod->GetIndex(); | |
685 | Int_t nrDead = fCalObj[moduleNr]->GetNrDead(); | |
686 | for (Int_t i=0; i<nrDead; i++) { | |
687 | GetMap()->DeleteHit(fCalObj[moduleNr]->GetDeadColAt(i),fCalObj[moduleNr]->GetDeadRowAt(i)); | |
5bfe44ce | 688 | } |
689 | } | |
690 | //______________________________________________________________________ | |
590d15ee | 691 | void AliITSsimulationSPD::FrompListToDigits(){ |
5bfe44ce | 692 | // add noise and electronics, perform the zero suppression and add the |
693 | // digit to the list | |
aacedc3e | 694 | // Inputs: |
5bfe44ce | 695 | // none. |
aacedc3e | 696 | // Outputs: |
5bfe44ce | 697 | // none. |
aacedc3e | 698 | // Return: |
5bfe44ce | 699 | // none. |
700 | static AliITS *aliITS = (AliITS*)gAlice->GetModule("ITS"); | |
701 | Int_t j,ix,iz; | |
702 | Double_t electronics; | |
703 | Double_t sig; | |
590d15ee | 704 | const Int_t knmaxtrk=AliITSdigitSPD::GetNTracks(); |
5bfe44ce | 705 | static AliITSdigitSPD dig; |
706 | AliITSCalibrationSPD* res = (AliITSCalibrationSPD*)GetCalibrationModel(fDetType->GetITSgeom()->GetStartSPD()); | |
590d15ee | 707 | if(GetDebug(1)) Info("FrompListToDigits","()"); |
5bfe44ce | 708 | for(iz=0; iz<GetNPixelsZ(); iz++) for(ix=0; ix<GetNPixelsX(); ix++){ |
709 | // NEW (for the moment plugged by hand, in the future possibly read from Data Base) | |
710 | // here parametrize the efficiency of the pixel along the row for the test columns (1,9,17,25) | |
711 | // if(iz==1 || iz == 9 || iz == 17 || iz == 25) { | |
712 | // Double_t eff,p1=0.,p2=0.; | |
713 | // Double_t x=ix; | |
714 | // switch (iz) { | |
715 | // case 1: p1=0.63460;p2=0.42438E-01;break; | |
716 | // case 9: p1=0.41090;p2=0.75914E-01;break; | |
717 | // case 17: p1=0.31883;p2=0.91502E-01;break; | |
718 | // case 25: p1=0.48828;p2=0.57975E-01;break; | |
719 | // } // end switch | |
720 | // eff=1.-p1*exp(-p2*x); | |
721 | // if (gRandom->Rndm() >= eff) continue; | |
722 | // } // end if | |
723 | // END parametrize the efficiency | |
724 | // | |
725 | electronics = res->ApplyBaselineAndNoise(); | |
726 | UpdateMapNoise(ix,iz,electronics); | |
727 | // | |
728 | // Apply Threshold and write Digits. | |
729 | sig = GetMap()->GetSignalOnly(iz,ix); | |
730 | FillHistograms(ix,iz,sig+electronics); | |
731 | if(GetDebug(3)){ | |
732 | cout<<sig<<"+"<<electronics<<">threshold("<<ix<<","<<iz | |
733 | <<")="<<GetThreshold() <<endl; | |
734 | } // end if GetDebug | |
735 | if (sig+electronics <= GetThreshold()) continue; | |
736 | dig.SetCoord1(iz); | |
737 | dig.SetCoord2(ix); | |
738 | dig.SetSignal(1); | |
590d15ee | 739 | |
740 | // dig.SetSignalSPD((Int_t) GetMap()->GetSignal(iz,ix)); | |
741 | Double_t aSignal = GetMap()->GetSignal(iz,ix); | |
742 | if (TMath::Abs(aSignal)>2147483647.0) { | |
743 | //PH 2147483647 is the max. integer | |
744 | //PH This apparently is a problem which needs investigation | |
745 | AliWarning(Form("Too big or too small signal value %f",aSignal)); | |
746 | aSignal = TMath::Sign((Double_t)2147483647,aSignal); | |
747 | } | |
748 | dig.SetSignalSPD((Int_t)aSignal); | |
749 | ||
750 | for(j=0;j<knmaxtrk;j++){ | |
5bfe44ce | 751 | if (j<GetMap()->GetNEntries()) { |
752 | dig.SetTrack(j,GetMap()->GetTrack(iz,ix,j)); | |
753 | dig.SetHit(j,GetMap()->GetHit(iz,ix,j)); | |
754 | }else { // Default values | |
755 | dig.SetTrack(j,-3); | |
756 | dig.SetHit(j,-1); | |
757 | } // end if GetMap() | |
758 | } // end for j | |
759 | if(GetDebug(3)){ | |
760 | cout<<iz<<","<<ix<<","<<*(GetMap()->GetpListItem(iz,ix))<<endl; | |
761 | } // end if GetDebug | |
762 | aliITS->AddSimDigit(0,&dig); | |
763 | } // for ix/iz | |
c7a4dac0 | 764 | } |
765 | //______________________________________________________________________ | |
5bfe44ce | 766 | void AliITSsimulationSPD::CreateHistograms(){ |
767 | // create 1D histograms for tests | |
aacedc3e | 768 | // Inputs: |
5bfe44ce | 769 | // none. |
aacedc3e | 770 | // Outputs: |
5bfe44ce | 771 | // none. |
aacedc3e | 772 | // Return: |
5bfe44ce | 773 | // none. |
774 | ||
775 | if(GetDebug(1)) Info("CreateHistograms","create histograms"); | |
776 | ||
777 | fHis = new TObjArray(GetNPixelsZ()); | |
778 | TString fSPDname("spd_"); | |
779 | for(Int_t i=0;i<GetNPixelsZ();i++) { | |
780 | Char_t pixelz[4]; | |
781 | sprintf(pixelz,"%d",i); | |
782 | fSPDname.Append(pixelz); | |
783 | fHis->AddAt(new TH1F(fSPDname.Data(),"SPD maps", | |
784 | GetNPixelsX(),0.,(Double_t)GetNPixelsX()),i); | |
785 | } // end for i | |
c7a4dac0 | 786 | } |
787 | //______________________________________________________________________ | |
5bfe44ce | 788 | void AliITSsimulationSPD::FillHistograms(Int_t ix,Int_t iz,Double_t v){ |
789 | // Fill the histogram | |
aacedc3e | 790 | // Inputs: |
5bfe44ce | 791 | // none. |
aacedc3e | 792 | // Outputs: |
5bfe44ce | 793 | // none. |
aacedc3e | 794 | // Return: |
5bfe44ce | 795 | // none. |
796 | ||
797 | if(!GetHistArray()) return; // Only fill if setup. | |
798 | if(GetDebug(2)) Info("FillHistograms","fill histograms"); | |
799 | GetHistogram(iz)->Fill(ix,v); | |
c7a4dac0 | 800 | } |
801 | //______________________________________________________________________ | |
5bfe44ce | 802 | void AliITSsimulationSPD::ResetHistograms(){ |
803 | // Reset histograms for this detector | |
aacedc3e | 804 | // Inputs: |
5bfe44ce | 805 | // none. |
aacedc3e | 806 | // Outputs: |
5bfe44ce | 807 | // none. |
aacedc3e | 808 | // Return: |
5bfe44ce | 809 | // none. |
810 | ||
811 | if(!GetHistArray()) return; // Only fill if setup. | |
812 | if(GetDebug(2)) Info("FillHistograms","fill histograms"); | |
813 | for ( int i=0;i<GetNPixelsZ();i++ ) { | |
814 | if (fHis->At(i)) ((TH1F*)fHis->At(i))->Reset(); | |
815 | } // end for i | |
21b825a4 | 816 | } |
5bfe44ce | 817 | |
c7a4dac0 | 818 | //______________________________________________________________________ |
590d15ee | 819 | void AliITSsimulationSPD::SetCoupling(Int_t col, Int_t row, Int_t ntrack, |
5bfe44ce | 820 | Int_t idhit) { |
c7a4dac0 | 821 | // Take into account the coupling between adiacent pixels. |
f8d9a5b8 | 822 | // The parameters probcol and probrow are the probability of the |
823 | // signal in one pixel shared in the two adjacent pixels along | |
824 | // the column and row direction, respectively. | |
5bfe44ce | 825 | // Note pList is goten via GetMap() and module is not need any more. |
826 | // Otherwise it is identical to that coded by Tiziano Virgili (BSN). | |
f8d9a5b8 | 827 | //Begin_Html |
828 | /* | |
829 | <img src="picts/ITS/barimodel_3.gif"> | |
830 | </pre> | |
831 | <br clear=left> | |
832 | <font size=+2 color=red> | |
833 | <a href="mailto:tiziano.virgili@cern.ch"></a>. | |
834 | </font> | |
835 | <pre> | |
836 | */ | |
837 | //End_Html | |
5bfe44ce | 838 | // Inputs: |
590d15ee | 839 | // Int_t col z cell index |
840 | // Int_t row x cell index | |
5bfe44ce | 841 | // Int_t ntrack track incex number |
842 | // Int_t idhit hit index number | |
843 | // Outputs: | |
844 | // none. | |
845 | // Return: | |
846 | // none. | |
f8d9a5b8 | 847 | Int_t j1,j2,flag=0; |
848 | Double_t pulse1,pulse2; | |
aacedc3e | 849 | Double_t couplR=0.0,couplC=0.0; |
f8d9a5b8 | 850 | Double_t xr=0.; |
851 | ||
5bfe44ce | 852 | GetCouplings(couplC,couplR); |
590d15ee | 853 | if(GetDebug(3)) Info("SetCoupling","(col=%d,row=%d,ntrack=%d,idhit=%d) " |
854 | "Calling SetCoupling couplC=%e couplR=%e", | |
855 | col,row,ntrack,idhit,couplC,couplR); | |
856 | j1 = col; | |
857 | j2 = row; | |
858 | pulse1 = GetMap()->GetSignalOnly(col,row); | |
f8d9a5b8 | 859 | pulse2 = pulse1; |
590d15ee | 860 | for (Int_t isign=-1;isign<=1;isign+=2){// loop in col direction |
aacedc3e | 861 | do{ |
862 | j1 += isign; | |
aacedc3e | 863 | xr = gRandom->Rndm(); |
590d15ee | 864 | if ((j1<0) || (j1>GetNPixelsZ()-1) || (xr>couplC)){ |
865 | j1 = col; | |
aacedc3e | 866 | flag = 1; |
867 | }else{ | |
590d15ee | 868 | UpdateMapSignal(row,j1,ntrack,idhit,pulse1); |
aacedc3e | 869 | // flag = 0; |
870 | flag = 1; // only first next!! | |
871 | } // end if | |
872 | } while(flag == 0); | |
590d15ee | 873 | // loop in row direction |
aacedc3e | 874 | do{ |
875 | j2 += isign; | |
aacedc3e | 876 | xr = gRandom->Rndm(); |
590d15ee | 877 | if ((j2<0) || (j2>GetNPixelsX()-1) || (xr>couplR)){ |
878 | j2 = row; | |
aacedc3e | 879 | flag = 1; |
880 | }else{ | |
590d15ee | 881 | UpdateMapSignal(j2,col,ntrack,idhit,pulse2); |
aacedc3e | 882 | // flag = 0; |
883 | flag = 1; // only first next!! | |
884 | } // end if | |
885 | } while(flag == 0); | |
f8d9a5b8 | 886 | } // for isign |
887 | } | |
888 | //______________________________________________________________________ | |
590d15ee | 889 | void AliITSsimulationSPD::SetCouplingOld(Int_t col, Int_t row, |
5bfe44ce | 890 | Int_t ntrack,Int_t idhit) { |
f8d9a5b8 | 891 | // Take into account the coupling between adiacent pixels. |
c7a4dac0 | 892 | // The parameters probcol and probrow are the fractions of the |
893 | // signal in one pixel shared in the two adjacent pixels along | |
894 | // the column and row direction, respectively. | |
c7a4dac0 | 895 | //Begin_Html |
896 | /* | |
897 | <img src="picts/ITS/barimodel_3.gif"> | |
898 | </pre> | |
899 | <br clear=left> | |
900 | <font size=+2 color=red> | |
901 | <a href="mailto:Rocco.Caliandro@ba.infn.it"></a>. | |
902 | </font> | |
903 | <pre> | |
904 | */ | |
905 | //End_Html | |
5bfe44ce | 906 | // Inputs: |
590d15ee | 907 | // Int_t col z cell index |
908 | // Int_t row x cell index | |
5bfe44ce | 909 | // Int_t ntrack track incex number |
910 | // Int_t idhit hit index number | |
911 | // Int_t module module number | |
912 | // Outputs: | |
913 | // none. | |
914 | // Return: | |
915 | // none. | |
c7a4dac0 | 916 | Int_t j1,j2,flag=0; |
917 | Double_t pulse1,pulse2; | |
aacedc3e | 918 | Double_t couplR=0.0,couplC=0.0; |
c7a4dac0 | 919 | |
5bfe44ce | 920 | GetCouplings(couplC,couplR); |
921 | ||
922 | // Debugging ... | |
923 | // cout << "Threshold --> " << GetThreshold() << endl; // dom | |
924 | // cout << "Couplings --> " << couplC << " " << couplR << endl; //dom | |
925 | ||
926 | ||
590d15ee | 927 | if(GetDebug(3)) Info("SetCouplingOld","(col=%d,row=%d,ntrack=%d,idhit=%d) " |
928 | "Calling SetCoupling couplC=%e couplR=%e", | |
929 | col,row,ntrack,idhit,couplC,couplR); | |
930 | for (Int_t isign=-1;isign<=1;isign+=2){// loop in col direction | |
931 | pulse1 = GetMap()->GetSignalOnly(col,row); | |
5bfe44ce | 932 | pulse2 = pulse1; |
590d15ee | 933 | j1 = col; |
934 | j2 = row; | |
aacedc3e | 935 | do{ |
936 | j1 += isign; | |
590d15ee | 937 | pulse1 *= couplC; |
5bfe44ce | 938 | if ((j1<0)||(j1>GetNPixelsZ()-1)||(pulse1<GetThreshold())){ |
590d15ee | 939 | pulse1 = GetMap()->GetSignalOnly(col,row); |
940 | j1 = col; | |
aacedc3e | 941 | flag = 1; |
942 | }else{ | |
590d15ee | 943 | UpdateMapSignal(row,j1,ntrack,idhit,pulse1); |
5bfe44ce | 944 | // flag = 0; |
945 | flag = 1; // only first next !! | |
aacedc3e | 946 | } // end if |
947 | } while(flag == 0); | |
590d15ee | 948 | // loop in row direction |
aacedc3e | 949 | do{ |
950 | j2 += isign; | |
590d15ee | 951 | pulse2 *= couplR; |
5bfe44ce | 952 | if((j2<0)||(j2>(GetNPixelsX()-1))||(pulse2<GetThreshold())){ |
590d15ee | 953 | pulse2 = GetMap()->GetSignalOnly(col,row); |
954 | j2 = row; | |
aacedc3e | 955 | flag = 1; |
956 | }else{ | |
590d15ee | 957 | UpdateMapSignal(j2,col,ntrack,idhit,pulse2); |
5bfe44ce | 958 | // flag = 0; |
959 | flag = 1; // only first next!! | |
aacedc3e | 960 | } // end if |
961 | } while(flag == 0); | |
c7a4dac0 | 962 | } // for isign |
21b825a4 | 963 | } |