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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 | /* |
85f5e9c2 | 17 | $Id$ |
5bfe44ce | 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" |
a4005be7 | 33 | #include "AliMagF.h" |
9f033001 | 34 | |
bb6b39bf | 35 | //#define DEBUG |
e8189707 | 36 | |
b0f5e3fc | 37 | ClassImp(AliITSsimulationSPD) |
38 | //////////////////////////////////////////////////////////////////////// | |
5bfe44ce | 39 | // Version: 1 |
590d15ee | 40 | // Modified by D. Elia, G.E. Bruno, H. Tydesjo |
41 | // Fast diffusion code by Bjorn S. Nilsen | |
5bfe44ce | 42 | // March-April 2006 |
8e2f60b2 | 43 | // October 2007: GetCalibrationObjects() removed |
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(), | |
a4005be7 | 59 | fCoupling(), |
60 | fLorentz(kFALSE), | |
61 | fTanLorAng(0){ | |
5bfe44ce | 62 | // Default constructor. |
63 | // Inputs: | |
aacedc3e | 64 | // none. |
65 | // Outputs: | |
66 | // none. | |
67 | // Return: | |
68 | // A default constructed AliITSsimulationSPD class. | |
5bfe44ce | 69 | |
70 | AliDebug(1,Form("Calling default constructor")); | |
71 | // Init(); | |
b0f5e3fc | 72 | } |
c7a4dac0 | 73 | //______________________________________________________________________ |
8ba39da9 | 74 | AliITSsimulationSPD::AliITSsimulationSPD(AliITSDetTypeSim *dettyp): |
75 | AliITSsimulation(dettyp), | |
5bfe44ce | 76 | fHis(0), |
77 | fSPDname(), | |
a4005be7 | 78 | fCoupling(), |
79 | fLorentz(kFALSE), | |
80 | fTanLorAng(0){ | |
5bfe44ce | 81 | // standard constructor |
82 | // Inputs: | |
83 | // AliITSsegmentation *seg A pointer to the segmentation class | |
84 | // to be used for this simulation | |
85 | // AliITSCalibration *resp A pointer to the responce class to | |
86 | // be used for this simulation | |
aacedc3e | 87 | // Outputs: |
88 | // none. | |
89 | // Return: | |
5bfe44ce | 90 | // A default constructed AliITSsimulationSPD class. |
aacedc3e | 91 | |
5bfe44ce | 92 | AliDebug(1,Form("Calling standard constructor ")); |
93 | // AliITSCalibrationSPD* res = (AliITSCalibrationSPD*)GetCalibrationModel(fDetType->GetITSgeom()->GetStartSPD()); | |
94 | // res->SetTemperature(0.0); | |
95 | // res->SetDistanceOverVoltage(0.0); | |
aacedc3e | 96 | Init(); |
97 | } | |
98 | //______________________________________________________________________ | |
5bfe44ce | 99 | void AliITSsimulationSPD::Init(){ |
100 | // Initilization | |
aacedc3e | 101 | // Inputs: |
102 | // none. | |
103 | // Outputs: | |
104 | // none. | |
105 | // Return: | |
106 | // none. | |
5bfe44ce | 107 | const Double_t kmictocm = 1.0e-4; // convert microns to cm. |
c7a4dac0 | 108 | |
5bfe44ce | 109 | SetModuleNumber(0); |
110 | SetEventNumber(0); | |
111 | SetMap(new AliITSpList(GetNPixelsZ(),GetNPixelsX())); | |
112 | AliITSCalibrationSPD* res = (AliITSCalibrationSPD*)GetCalibrationModel(fDetType->GetITSgeom()->GetStartSPD()); | |
8ba39da9 | 113 | AliITSsegmentationSPD* seg = (AliITSsegmentationSPD*)GetSegmentationModel(0); |
5bfe44ce | 114 | Double_t bias = res->GetBiasVoltage(); |
115 | // cout << "Bias Voltage --> " << bias << endl; // dom | |
116 | res->SetDistanceOverVoltage(kmictocm*seg->Dy(),bias); | |
117 | // set kind of coupling ("old" or "new") | |
118 | char opt[20]; | |
119 | res->GetCouplingOption(opt); | |
120 | char *old = strstr(opt,"old"); | |
121 | if (old) { | |
122 | fCoupling=2; | |
123 | } else { | |
124 | fCoupling=1; | |
125 | } // end if | |
a4005be7 | 126 | //SetLorentzDrift(kTRUE); |
127 | if (fLorentz) SetTanLorAngle(); | |
128 | } | |
129 | //______________________________________________________________________ | |
130 | Bool_t AliITSsimulationSPD::SetTanLorAngle(Double_t WeightHole) { | |
131 | // This function set the Tangent of the Lorentz angle. | |
132 | // A weighted average is used for electrons and holes | |
133 | // Input: Double_t WeightHole: wheight for hole: it should be in the range [0,1] | |
134 | // output: Bool_t : kTRUE in case of success | |
135 | // | |
136 | if(!fDetType) { | |
137 | AliError("AliITSsimulationSPD::SetTanLorAngle: AliITSDetTypeSim* fDetType not set "); | |
138 | return kFALSE;} | |
139 | if(WeightHole<0) { | |
140 | WeightHole=0.; | |
141 | AliWarning("AliITSsimulationSPD::SetTanLorAngle: You have asked for negative Hole weight"); | |
142 | AliWarning("AliITSsimulationSPD::SetTanLorAngle: I'm going to use only electrons"); | |
143 | } | |
144 | if(WeightHole>1) { | |
145 | WeightHole=1.; | |
146 | AliWarning("AliITSsimulationSPD::SetTanLorAngle: You have asked for weight > 1"); | |
147 | AliWarning("AliITSsimulationSPD::SetTanLorAngle: I'm going to use only holes"); | |
148 | } | |
149 | Double_t WeightEle=1.-WeightHole; | |
150 | AliITSCalibrationSPD* res = (AliITSCalibrationSPD*)GetCalibrationModel(fDetType->GetITSgeom()->GetStartSPD()); | |
151 | AliMagF *mf = gAlice->Field(); | |
152 | Float_t pos[3]={0.,0.,0.}; | |
153 | Float_t B[3]={0.,0.,0.}; | |
154 | mf->Field(pos,B); | |
155 | fTanLorAng = TMath::Tan(WeightHole*res->LorentzAngleHole(B[2]) + | |
156 | WeightEle*res->LorentzAngleElectron(B[2])); | |
157 | fTanLorAng*=-1.; // this only for the old geometry | |
158 | // comment the upper line for the new geometry | |
159 | return kTRUE; | |
c7a4dac0 | 160 | } |
161 | //______________________________________________________________________ | |
5bfe44ce | 162 | AliITSsimulationSPD::~AliITSsimulationSPD(){ |
c7a4dac0 | 163 | // destructor |
5bfe44ce | 164 | // Inputs: |
aacedc3e | 165 | // none. |
166 | // Outputs: | |
167 | // none. | |
168 | // Return: | |
5bfe44ce | 169 | // none. |
b0f5e3fc | 170 | |
c7a4dac0 | 171 | if (fHis) { |
aacedc3e | 172 | fHis->Delete(); |
173 | delete fHis; | |
5bfe44ce | 174 | } // end if fHis |
b0f5e3fc | 175 | } |
c7a4dac0 | 176 | //______________________________________________________________________ |
5bfe44ce | 177 | AliITSsimulationSPD::AliITSsimulationSPD(const |
178 | AliITSsimulationSPD | |
7537d03c | 179 | &s) : AliITSsimulation(s), |
180 | fHis(s.fHis), | |
181 | fSPDname(s.fSPDname), | |
a4005be7 | 182 | fCoupling(s.fCoupling), |
183 | fLorentz(s.fLorentz), | |
184 | fTanLorAng(s.fTanLorAng){ | |
5bfe44ce | 185 | // Copy Constructor |
186 | // Inputs: | |
187 | // AliITSsimulationSPD &s The original class for which | |
188 | // this class is a copy of | |
aacedc3e | 189 | // Outputs: |
190 | // none. | |
191 | // Return: | |
c7a4dac0 | 192 | |
b0f5e3fc | 193 | } |
c7a4dac0 | 194 | //______________________________________________________________________ |
5bfe44ce | 195 | AliITSsimulationSPD& AliITSsimulationSPD::operator=(const |
196 | AliITSsimulationSPD &s){ | |
c7a4dac0 | 197 | // Assignment operator |
5bfe44ce | 198 | // Inputs: |
199 | // AliITSsimulationSPD &s The original class for which | |
200 | // this class is a copy of | |
aacedc3e | 201 | // Outputs: |
202 | // none. | |
203 | // Return: | |
c7a4dac0 | 204 | |
5bfe44ce | 205 | if(&s == this) return *this; |
206 | this->fHis = s.fHis; | |
207 | fCoupling = s.fCoupling; | |
208 | fSPDname = s.fSPDname; | |
a4005be7 | 209 | fLorentz = s.fLorentz; |
210 | fTanLorAng = s.fTanLorAng; | |
c7a4dac0 | 211 | return *this; |
5bfe44ce | 212 | } |
85f5e9c2 | 213 | /* |
d2f55a22 | 214 | //______________________________________________________________________ |
5bfe44ce | 215 | AliITSsimulation& AliITSsimulationSPD::operator=(const |
216 | AliITSsimulation &s){ | |
d2f55a22 | 217 | // Assignment operator |
5bfe44ce | 218 | // Inputs: |
219 | // AliITSsimulationSPD &s The original class for which | |
220 | // this class is a copy of | |
d2f55a22 | 221 | // Outputs: |
222 | // none. | |
223 | // Return: | |
d2f55a22 | 224 | |
5bfe44ce | 225 | if(&s == this) return *this; |
d2f55a22 | 226 | Error("AliITSsimulationSPD","Not allowed to make a = with " |
5bfe44ce | 227 | "AliITSsimulationSPD","Using default creater instead"); |
d2f55a22 | 228 | |
229 | return *this; | |
5bfe44ce | 230 | } |
85f5e9c2 | 231 | */ |
5bfe44ce | 232 | //______________________________________________________________________ |
233 | void AliITSsimulationSPD::InitSimulationModule(Int_t module, Int_t event){ | |
234 | // This function creates maps to build the list of tracks for each | |
235 | // summable digit. Inputs defined by base class. | |
236 | // Inputs: | |
237 | // Int_t module // Module number to be simulated | |
238 | // Int_t event // Event number to be simulated | |
239 | // Outputs: | |
240 | // none | |
241 | // Returns: | |
242 | // none | |
243 | ||
244 | AliDebug(1,Form("(module=%d,event=%d)",module,event)); | |
245 | SetModuleNumber(module); | |
246 | SetEventNumber(event); | |
247 | ClearMap(); | |
248 | } | |
249 | //_____________________________________________________________________ | |
250 | void AliITSsimulationSPD::SDigitiseModule(AliITSmodule *mod,Int_t, | |
251 | Int_t event){ | |
252 | // This function begins the work of creating S-Digits. Inputs defined | |
253 | // by base class. | |
254 | // Inputs: | |
255 | // AliITSmodule *mod // module | |
256 | // Int_t // not used | |
257 | // Int_t event // Event number | |
258 | // Outputs: | |
259 | // none | |
260 | // Return: | |
261 | // test // test returns kTRUE if the module contained hits | |
262 | // // test returns kFALSE if it did not contain hits | |
263 | ||
264 | AliDebug(1,Form("(mod=%p, ,event=%d)",mod,event)); | |
265 | if(!(mod->GetNhits())){ | |
266 | AliDebug(1,Form("In event %d module %d there are %d hits returning.", | |
267 | event, mod->GetIndex(),mod->GetNhits())); | |
268 | return;// if module has no hits don't create Sdigits | |
269 | } // end if | |
270 | SetModuleNumber(mod->GetIndex()); | |
271 | SetEventNumber(event); | |
272 | // HitToSDigit(mod); | |
273 | HitToSDigitFast(mod); | |
590d15ee | 274 | RemoveDeadPixels(mod); |
275 | // cout << "After Remove in SDigitiseModule !!!!!" << endl; // dom | |
276 | // cout << "Module " << mod->GetIndex() << " Event " << event << endl; // dom | |
5bfe44ce | 277 | WriteSDigits(); |
278 | ClearMap(); | |
279 | } | |
280 | //______________________________________________________________________ | |
281 | void AliITSsimulationSPD::WriteSDigits(){ | |
282 | // This function adds each S-Digit to pList | |
283 | // Inputs: | |
3a97c582 | 284 | // none. |
5bfe44ce | 285 | // Outputs: |
286 | // none. | |
287 | // Return: | |
288 | // none | |
289 | Int_t ix, nix, iz, niz; | |
290 | static AliITS *aliITS = (AliITS*)gAlice->GetModule("ITS"); | |
291 | ||
292 | AliDebug(1,Form("Writing SDigits for module %d",GetModuleNumber())); | |
590d15ee | 293 | // cout << "WriteSDigits for module " << GetModuleNumber() << endl; // dom |
5bfe44ce | 294 | GetMap()->GetMaxMapIndex(niz, nix); |
295 | for(iz=0; iz<niz; iz++)for(ix=0; ix<nix; ix++){ | |
296 | if(GetMap()->GetSignalOnly(iz,ix)>0.0){ | |
590d15ee | 297 | // cout << " Signal gt 0 iz ix " << iz << ix << " Module " << GetModuleNumber() << endl; // dom |
5bfe44ce | 298 | aliITS->AddSumDigit(*(GetMap()->GetpListItem(iz,ix))); |
299 | if(AliDebugLevel()>0) { | |
300 | AliDebug(1,Form("%d, %d",iz,ix)); | |
301 | cout << *(GetMap()->GetpListItem(iz,ix)) << endl; | |
302 | } // end if GetDebug | |
303 | } // end if GetMap()->GetSignalOnly(iz,ix)>0.0 | |
304 | } // end for iz,ix | |
305 | return; | |
3a97c582 | 306 | } |
307 | //______________________________________________________________________ | |
308 | void AliITSsimulationSPD::FinishSDigitiseModule(){ | |
5bfe44ce | 309 | // This function calls SDigitsToDigits which creates Digits from SDigits |
310 | // Inputs: | |
311 | // none | |
312 | // Outputs: | |
313 | // none | |
314 | // Return | |
315 | // none | |
316 | ||
317 | AliDebug(1,"()"); | |
590d15ee | 318 | // cout << "FinishSDigitiseModule for module " << GetModuleNumber() << endl; // dom |
319 | FrompListToDigits(); // Charge To Signal both adds noise and | |
5bfe44ce | 320 | ClearMap(); |
321 | return; | |
322 | } | |
323 | //______________________________________________________________________ | |
324 | void AliITSsimulationSPD::DigitiseModule(AliITSmodule *mod,Int_t, | |
325 | Int_t){ | |
326 | // This function creates Digits straight from the hits and then adds | |
327 | // electronic noise to the digits before adding them to pList | |
328 | // Each of the input variables is passed along to HitToSDigit | |
329 | // Inputs: | |
330 | // AliITSmodule *mod module | |
331 | // Int_t Dummy. | |
332 | // Int_t Dummy | |
333 | // Outputs: | |
334 | // none. | |
335 | // Return: | |
336 | // none. | |
3a97c582 | 337 | |
5bfe44ce | 338 | AliDebug(1,Form("(mod=%p,,)",mod)); |
339 | // HitToSDigit(mod); | |
340 | HitToSDigitFast(mod); | |
341 | RemoveDeadPixels(mod); | |
590d15ee | 342 | // cout << "After Remove in DigitiseModule in module " << mod->GetIndex() << endl; // dom |
343 | FrompListToDigits(); | |
5bfe44ce | 344 | ClearMap(); |
c7a4dac0 | 345 | } |
346 | //______________________________________________________________________ | |
5bfe44ce | 347 | void AliITSsimulationSPD::HitToSDigit(AliITSmodule *mod){ |
348 | // Does the charge distributions using Gaussian diffusion charge charing. | |
aacedc3e | 349 | // Inputs: |
5bfe44ce | 350 | // AliITSmodule *mod Pointer to this module |
351 | // Output: | |
352 | // none. | |
aacedc3e | 353 | // Return: |
5bfe44ce | 354 | // none. |
355 | const Double_t kmictocm = 1.0e-4; // convert microns to cm. | |
356 | TObjArray *hits = mod->GetHits(); | |
357 | Int_t nhits = hits->GetEntriesFast(); | |
358 | Int_t h,ix,iz,i; | |
359 | Int_t idtrack; | |
a4005be7 | 360 | Double_t x0=0.0,x1=0.0,y0=0.0,y1=0.0,z0=0.0,z1=0.0,de=0.0,ld=0.0; |
5bfe44ce | 361 | Double_t x,y,z,t,tp,st,dt=0.2,el,sig,sigx,sigz,fda; |
362 | AliITSsegmentationSPD* seg = (AliITSsegmentationSPD*)GetSegmentationModel(0); | |
363 | AliITSCalibrationSPD* res = (AliITSCalibrationSPD*)GetCalibrationModel(fDetType->GetITSgeom()->GetStartSPD()); | |
364 | Double_t thick = 0.5*kmictocm*seg->Dy(); // Half Thickness | |
365 | res->GetSigmaDiffusionAsymmetry(fda); | |
366 | ||
367 | AliDebug(1,Form("(mod=%p) fCoupling=%d",mod,fCoupling)); | |
368 | if(nhits<=0) return; | |
369 | for(h=0;h<nhits;h++){ | |
370 | if(AliDebugLevel()>0) { | |
371 | AliDebug(1,Form("Hits, %d", h)); | |
372 | cout << *(mod->GetHit(h)) << endl; | |
373 | } // end if GetDebug | |
374 | if(!mod->LineSegmentL(h,x0,x1,y0,y1,z0,z1,de,idtrack)) continue; | |
375 | st = TMath::Sqrt(x1*x1+y1*y1+z1*z1); | |
376 | if(st>0.0){ | |
377 | st = (Double_t)((Int_t)(st/kmictocm)); // number of microns | |
378 | if(st<=1.0) st = 1.0; | |
379 | dt = 1.0/st; | |
380 | for(t=0.0;t<1.0;t+=dt){ // Integrate over t | |
381 | tp = t+0.5*dt; | |
382 | x = x0+x1*tp; | |
383 | y = y0+y1*tp; | |
384 | z = z0+z1*tp; | |
385 | if(!(seg->LocalToDet(x,z,ix,iz))) continue; // outside | |
386 | el = res->GeVToCharge((Double_t)(dt*de)); | |
387 | if(GetDebug(1)){ | |
388 | if(el<=0.0) cout<<"el="<<el<<" dt="<<dt | |
389 | <<" de="<<de<<endl; | |
390 | } // end if GetDebug | |
391 | sig = res->SigmaDiffusion1D(TMath::Abs(thick + y)); | |
5bfe44ce | 392 | sigx=sig; |
393 | sigz=sig*fda; | |
a4005be7 | 394 | if (fLorentz) ld=(y+thick)*fTanLorAng; |
395 | SpreadChargeAsym(x,z,ix,iz,el,sigx,sigz,ld,idtrack,h); | |
5bfe44ce | 396 | } // end for t |
397 | } else { // st == 0.0 deposit it at this point | |
398 | x = x0; | |
399 | y = y0; | |
400 | z = z0; | |
401 | if(!(seg->LocalToDet(x,z,ix,iz))) continue; // outside | |
402 | el = res->GeVToCharge((Double_t)de); | |
403 | sig = res->SigmaDiffusion1D(TMath::Abs(thick + y)); | |
5bfe44ce | 404 | sigx=sig; |
405 | sigz=sig*fda; | |
a4005be7 | 406 | if (fLorentz) ld=(y+thick)*fTanLorAng; |
407 | SpreadChargeAsym(x,z,ix,iz,el,sigx,sigz,ld,idtrack,h); | |
5bfe44ce | 408 | } // end if st>0.0 |
3ee464f0 | 409 | |
410 | } // Loop over all hits h | |
411 | ||
5bfe44ce | 412 | // Coupling |
413 | switch (fCoupling) { | |
414 | default: | |
415 | break; | |
416 | case 1: //case 3: | |
5bfe44ce | 417 | for(i=0;i<GetMap()->GetEntries();i++) |
418 | if(GetMap()->GetpListItem(i)==0) continue; | |
419 | else{ | |
590d15ee | 420 | GetMap()->GetMapIndex(GetMap()->GetpListItem(i)->GetIndex(),iz,ix); |
5bfe44ce | 421 | SetCoupling(iz,ix,idtrack,h); |
422 | } // end for i | |
423 | break; | |
424 | case 2: // case 4: | |
5bfe44ce | 425 | for(i=0;i<GetMap()->GetEntries();i++) |
426 | if(GetMap()->GetpListItem(i)==0) continue; | |
427 | else{ | |
590d15ee | 428 | GetMap()->GetMapIndex(GetMap()->GetpListItem(i)->GetIndex(),iz,ix); |
5bfe44ce | 429 | SetCouplingOld(iz,ix,idtrack,h); |
430 | } // end for i | |
431 | break; | |
432 | } // end switch | |
5bfe44ce | 433 | if(GetDebug(2))Info("HitToSDigit","Finished fCoupling=%d",fCoupling); |
c7a4dac0 | 434 | } |
435 | //______________________________________________________________________ | |
5bfe44ce | 436 | void AliITSsimulationSPD::HitToSDigitFast(AliITSmodule *mod){ |
437 | // Does the charge distributions using Gaussian diffusion charge charing. // Inputs: | |
438 | // AliITSmodule *mod Pointer to this module | |
439 | // Output: | |
440 | // none. | |
aacedc3e | 441 | // Return: |
5bfe44ce | 442 | // none. |
443 | const Double_t kmictocm = 1.0e-4; // convert microns to cm. | |
590d15ee | 444 | const Int_t kn10=10; |
445 | const Double_t kti[kn10]={7.443716945e-3,2.166976971e-1,3.397047841e-1, | |
5bfe44ce | 446 | 4.325316833e-1,4.869532643e-1,5.130467358e-1, |
447 | 5.674683167e-1,6.602952159e-1,7.833023029e-1, | |
448 | 9.255628306e-1}; | |
590d15ee | 449 | const Double_t kwi[kn10]={1.477621124e-1,1.346333597e-1,1.095431813e-1, |
5bfe44ce | 450 | 7.472567455e-2,3.333567215e-2,3.333567215e-2, |
451 | 7.472567455e-2,1.095431813e-1,1.346333597e-1, | |
452 | 1.477621124e-1}; | |
453 | TObjArray *hits = mod->GetHits(); | |
454 | Int_t nhits = hits->GetEntriesFast(); | |
455 | Int_t h,ix,iz,i; | |
456 | Int_t idtrack; | |
a4005be7 | 457 | Double_t x0=0.0,x1=0.0,y0=0.0,y1=0.0,z0=0.0,z1=0.0,de=0.0,ld=0.0; |
5bfe44ce | 458 | Double_t x,y,z,t,st,el,sig,sigx,sigz,fda; |
459 | AliITSsegmentationSPD* seg = (AliITSsegmentationSPD*)GetSegmentationModel(0); | |
460 | AliITSCalibrationSPD* res = (AliITSCalibrationSPD*)GetCalibrationModel(fDetType->GetITSgeom()->GetStartSPD()); | |
461 | Double_t thick = 0.5*kmictocm*seg->Dy(); // Half thickness | |
462 | res->GetSigmaDiffusionAsymmetry(fda); | |
463 | // cout << "Half Thickness " << thick << endl; // dom | |
464 | // cout << "Diffusion asymm " << fda << endl; // dom | |
465 | ||
466 | AliDebug(1,Form("(mod=%p) fCoupling=%d",mod,fCoupling)); | |
467 | if(nhits<=0) return; | |
468 | for(h=0;h<nhits;h++){ | |
469 | if(AliDebugLevel()>0) { | |
470 | AliDebug(1,Form("Hits, %d", h)); | |
471 | cout << *(mod->GetHit(h)) << endl; | |
472 | } // end if GetDebug | |
473 | if(!mod->LineSegmentL(h,x0,x1,y0,y1,z0,z1,de,idtrack)) continue; | |
474 | st = TMath::Sqrt(x1*x1+y1*y1+z1*z1); | |
590d15ee | 475 | if(st>0.0) for(i=0;i<kn10;i++){ // Integrate over t |
476 | t = kti[i]; | |
5bfe44ce | 477 | x = x0+x1*t; |
478 | y = y0+y1*t; | |
479 | z = z0+z1*t; | |
480 | if(!(seg->LocalToDet(x,z,ix,iz))) continue; // outside | |
481 | // el = res->GeVToCharge((Double_t)(dt*de)); | |
590d15ee | 482 | // el = 1./kn10*res->GeVToCharge((Double_t)de); |
483 | el = kwi[i]*res->GeVToCharge((Double_t)de); | |
5bfe44ce | 484 | if(GetDebug(1)){ |
590d15ee | 485 | if(el<=0.0) cout<<"el="<<el<<" kwi["<<i<<"]="<<kwi[i] |
5bfe44ce | 486 | <<" de="<<de<<endl; |
487 | } // end if GetDebug | |
488 | sig = res->SigmaDiffusion1D(TMath::Abs(thick + y)); | |
489 | sigx=sig; | |
490 | sigz=sig*fda; | |
a4005be7 | 491 | if (fLorentz) ld=(y+thick)*fTanLorAng; |
492 | SpreadChargeAsym(x,z,ix,iz,el,sigx,sigz,ld,idtrack,h); | |
8e2f60b2 | 493 | // cout << "sigx sigz " << sigx << " " << sigz << endl; // dom |
5bfe44ce | 494 | } // end for i // End Integrate over t |
495 | else { // st == 0.0 deposit it at this point | |
496 | x = x0; | |
497 | y = y0; | |
498 | z = z0; | |
499 | if(!(seg->LocalToDet(x,z,ix,iz))) continue; // outside | |
500 | el = res->GeVToCharge((Double_t)de); | |
501 | sig = res->SigmaDiffusion1D(TMath::Abs(thick + y)); | |
5bfe44ce | 502 | sigx=sig; |
503 | sigz=sig*fda; | |
a4005be7 | 504 | if (fLorentz) ld=(y+thick)*fTanLorAng; |
505 | SpreadChargeAsym(x,z,ix,iz,el,sigx,sigz,ld,idtrack,h); | |
5bfe44ce | 506 | } // end if st>0.0 |
3ee464f0 | 507 | |
508 | } // Loop over all hits h | |
509 | ||
5bfe44ce | 510 | // Coupling |
511 | switch (fCoupling) { | |
512 | default: | |
513 | break; | |
514 | case 1: // case 3: | |
5bfe44ce | 515 | for(i=0;i<GetMap()->GetEntries();i++) |
516 | if(GetMap()->GetpListItem(i)==0) continue; | |
517 | else{ | |
590d15ee | 518 | GetMap()->GetMapIndex(GetMap()->GetpListItem(i)->GetIndex(),iz,ix); |
5bfe44ce | 519 | SetCoupling(iz,ix,idtrack,h); |
520 | } // end for i | |
521 | break; | |
522 | case 2: // case 4: | |
5bfe44ce | 523 | for(i=0;i<GetMap()->GetEntries();i++) |
524 | if(GetMap()->GetpListItem(i)==0) continue; | |
525 | else{ | |
590d15ee | 526 | GetMap()->GetMapIndex(GetMap()->GetpListItem(i)->GetIndex(),iz,ix); |
527 | SetCouplingOld(iz,ix,idtrack,h); | |
5bfe44ce | 528 | } // end for i |
529 | break; | |
530 | } // end switch | |
5bfe44ce | 531 | if(GetDebug(2))Info("HitToSDigit","Finished fCoupling=%d",fCoupling); |
21b825a4 | 532 | } |
c7a4dac0 | 533 | //______________________________________________________________________ |
5bfe44ce | 534 | void AliITSsimulationSPD::SpreadCharge(Double_t x0,Double_t z0, |
535 | Int_t ix0,Int_t iz0, | |
a4005be7 | 536 | Double_t el,Double_t sig,Double_t ld, |
537 | Int_t t,Int_t hi){ | |
5bfe44ce | 538 | // Spreads the charge over neighboring cells. Assume charge is distributed |
539 | // as charge(x,z) = (el/2*pi*sig*sig)*exp(-arg) | |
540 | // arg=((x-x0)*(x-x0)/2*sig*sig)+((z-z0*z-z0)/2*sig*sig) | |
a4005be7 | 541 | // if fLorentz=kTRUE, then x0=x0+ld (Lorentz drift taken into account) |
5bfe44ce | 542 | // Defined this way, the integral over all x and z is el. |
aacedc3e | 543 | // Inputs: |
5bfe44ce | 544 | // Double_t x0 x position of point where charge is liberated |
5bfe44ce | 545 | // Double_t z0 z position of point where charge is liberated |
546 | // Int_t ix0 row of cell corresponding to point x0 | |
547 | // Int_t iz0 columb of cell corresponding to point z0 | |
548 | // Double_t el number of electrons liberated in this step | |
549 | // Double_t sig Sigma difusion for this step (y0 dependent) | |
a4005be7 | 550 | // Double_t ld lorentz drift in x for this step (y0 dependent) |
5bfe44ce | 551 | // Int_t t track number |
552 | // Int_t ti hit track index number | |
553 | // Int_t hi hit "hit" index number | |
aacedc3e | 554 | // Outputs: |
5bfe44ce | 555 | // none. |
aacedc3e | 556 | // Return: |
5bfe44ce | 557 | // none. |
558 | const Int_t knx = 3,knz = 2; | |
559 | const Double_t kRoot2 = 1.414213562; // Sqrt(2). | |
560 | const Double_t kmictocm = 1.0e-4; // convert microns to cm. | |
561 | Int_t ix,iz,ixs,ixe,izs,ize; | |
562 | Float_t x,z; | |
563 | Double_t x1,x2,z1,z2,s,sp; | |
564 | AliITSsegmentationSPD* seg = (AliITSsegmentationSPD*)GetSegmentationModel(0); | |
21b825a4 | 565 | |
3a97c582 | 566 | |
5bfe44ce | 567 | if(GetDebug(4)) Info("SpreadCharge","(x0=%e,z0=%e,ix0=%d,iz0=%d,el=%e," |
568 | "sig=%e,t=%d,i=%d)",x0,z0,ix0,iz0,el,sig,t,hi); | |
569 | if(sig<=0.0) { // if sig<=0 No diffusion to simulate. | |
570 | GetMap()->AddSignal(iz0,ix0,t,hi,GetModuleNumber(),el); | |
571 | if(GetDebug(2)){ | |
572 | cout << "sig<=0.0=" << sig << endl; | |
573 | } // end if GetDebug | |
574 | return; | |
575 | } // end if | |
576 | sp = 1.0/(sig*kRoot2); | |
577 | if(GetDebug(2)){ | |
578 | cout << "sig=" << sig << " sp=" << sp << endl; | |
579 | } // end if GetDebug | |
580 | ixs = TMath::Max(-knx+ix0,0); | |
581 | ixe = TMath::Min(knx+ix0,seg->Npx()-1); | |
582 | izs = TMath::Max(-knz+iz0,0); | |
583 | ize = TMath::Min(knz+iz0,seg->Npz()-1); | |
584 | for(ix=ixs;ix<=ixe;ix++) for(iz=izs;iz<=ize;iz++){ | |
585 | seg->DetToLocal(ix,iz,x,z); // pixel center | |
586 | x1 = x; | |
587 | z1 = z; | |
588 | x2 = x1 + 0.5*kmictocm*seg->Dpx(ix); // Upper | |
589 | x1 -= 0.5*kmictocm*seg->Dpx(ix); // Lower | |
590 | z2 = z1 + 0.5*kmictocm*seg->Dpz(iz); // Upper | |
591 | z1 -= 0.5*kmictocm*seg->Dpz(iz); // Lower | |
a4005be7 | 592 | x1 -= x0+ld; // Distance from where track traveled (taking into account the Lorentz drift) |
593 | x2 -= x0+ld; // Distance from where track traveled (taking into account the Lorentz drift) | |
5bfe44ce | 594 | z1 -= z0; // Distance from where track traveled |
595 | z2 -= z0; // Distance from where track traveled | |
596 | s = 0.25; // Correction based on definision of Erfc | |
597 | s *= TMath::Erfc(sp*x1) - TMath::Erfc(sp*x2); | |
598 | if(GetDebug(3)){ | |
599 | cout <<"el="<<el<<" ix0="<<ix0<<" ix="<<ix<<" x0="<<x<< | |
600 | " iz0="<<iz0<<" iz="<<iz<<" z0="<<z<< | |
601 | " sp*x1="<<sp*x1<<" sp*x2="<<sp*x2<<" s="<<s; | |
602 | } // end if GetDebug | |
603 | s *= TMath::Erfc(sp*z1) - TMath::Erfc(sp*z2); | |
604 | if(GetDebug(3)){ | |
605 | cout<<" sp*z1="<<sp*z1<<" sp*z2="<<sp*z2<<" s="<<s<< endl; | |
606 | } // end if GetDebug | |
607 | GetMap()->AddSignal(iz,ix,t,hi,GetModuleNumber(),s*el); | |
608 | } // end for ix, iz | |
c7a4dac0 | 609 | } |
610 | //______________________________________________________________________ | |
5bfe44ce | 611 | void AliITSsimulationSPD::SpreadChargeAsym(Double_t x0,Double_t z0, |
612 | Int_t ix0,Int_t iz0, | |
613 | Double_t el,Double_t sigx,Double_t sigz, | |
a4005be7 | 614 | Double_t ld,Int_t t,Int_t hi){ |
5bfe44ce | 615 | // Spreads the charge over neighboring cells. Assume charge is distributed |
616 | // as charge(x,z) = (el/2*pi*sigx*sigz)*exp(-arg) | |
617 | // arg=((x-x0)*(x-x0)/2*sigx*sigx)+((z-z0*z-z0)/2*sigz*sigz) | |
a4005be7 | 618 | // if fLorentz=kTRUE, then x0=x0+ld (Lorentz drift taken into account) |
5bfe44ce | 619 | // Defined this way, the integral over all x and z is el. |
aacedc3e | 620 | // Inputs: |
5bfe44ce | 621 | // Double_t x0 x position of point where charge is liberated |
5bfe44ce | 622 | // Double_t z0 z position of point where charge is liberated |
623 | // Int_t ix0 row of cell corresponding to point x0 | |
624 | // Int_t iz0 columb of cell corresponding to point z0 | |
625 | // Double_t el number of electrons liberated in this step | |
626 | // Double_t sigx Sigma difusion along x for this step (y0 dependent) | |
627 | // Double_t sigz Sigma difusion along z for this step (y0 dependent) | |
a4005be7 | 628 | // Double_t ld lorentz drift in x for this stip (y0 dependent) |
5bfe44ce | 629 | // Int_t t track number |
630 | // Int_t ti hit track index number | |
631 | // Int_t hi hit "hit" index number | |
aacedc3e | 632 | // Outputs: |
5bfe44ce | 633 | // none. |
aacedc3e | 634 | // Return: |
5bfe44ce | 635 | // none. |
636 | const Int_t knx = 3,knz = 2; | |
637 | const Double_t kRoot2 = 1.414213562; // Sqrt(2). | |
638 | const Double_t kmictocm = 1.0e-4; // convert microns to cm. | |
639 | Int_t ix,iz,ixs,ixe,izs,ize; | |
640 | Float_t x,z; | |
641 | Double_t x1,x2,z1,z2,s,spx,spz; | |
642 | AliITSsegmentationSPD* seg = (AliITSsegmentationSPD*)GetSegmentationModel(0); | |
643 | ||
c7a4dac0 | 644 | |
a4005be7 | 645 | if(GetDebug(4)) Info("SpreadChargeAsym","(x0=%e,z0=%e,ix0=%d,iz0=%d,el=%e," |
5bfe44ce | 646 | "sig=%e,t=%d,i=%d)",x0,z0,ix0,iz0,el,sigx,sigz,t,hi); |
647 | if(sigx<=0.0 || sigz<=0.0) { // if sig<=0 No diffusion to simulate. | |
648 | GetMap()->AddSignal(iz0,ix0,t,hi,GetModuleNumber(),el); | |
649 | if(GetDebug(2)){ | |
650 | cout << "sigx<=0.0=" << sigx << endl; | |
651 | cout << "sigz<=0.0=" << sigz << endl; | |
652 | } // end if GetDebug | |
653 | return; | |
654 | } // end if | |
655 | spx = 1.0/(sigx*kRoot2); spz = 1.0/(sigz*kRoot2); | |
656 | if(GetDebug(2)){ | |
657 | cout << "sigx=" << sigx << " spx=" << spx << endl; | |
658 | cout << "sigz=" << sigz << " spz=" << spz << endl; | |
659 | } // end if GetDebug | |
660 | ixs = TMath::Max(-knx+ix0,0); | |
661 | ixe = TMath::Min(knx+ix0,seg->Npx()-1); | |
662 | izs = TMath::Max(-knz+iz0,0); | |
663 | ize = TMath::Min(knz+iz0,seg->Npz()-1); | |
664 | for(ix=ixs;ix<=ixe;ix++) for(iz=izs;iz<=ize;iz++){ | |
665 | seg->DetToLocal(ix,iz,x,z); // pixel center | |
666 | x1 = x; | |
667 | z1 = z; | |
668 | x2 = x1 + 0.5*kmictocm*seg->Dpx(ix); // Upper | |
669 | x1 -= 0.5*kmictocm*seg->Dpx(ix); // Lower | |
670 | z2 = z1 + 0.5*kmictocm*seg->Dpz(iz); // Upper | |
671 | z1 -= 0.5*kmictocm*seg->Dpz(iz); // Lower | |
a4005be7 | 672 | x1 -= x0+ld; // Distance from where track traveled (taking into account the Lorentz drift) |
673 | x2 -= x0+ld; // Distance from where track traveled (taking into account the Lorentz drift) | |
5bfe44ce | 674 | z1 -= z0; // Distance from where track traveled |
675 | z2 -= z0; // Distance from where track traveled | |
676 | s = 0.25; // Correction based on definision of Erfc | |
677 | s *= TMath::Erfc(spx*x1) - TMath::Erfc(spx*x2); | |
678 | if(GetDebug(3)){ | |
679 | cout <<"el="<<el<<" ix0="<<ix0<<" ix="<<ix<<" x0="<<x<< | |
680 | " iz0="<<iz0<<" iz="<<iz<<" z0="<<z<< | |
681 | " spx*x1="<<spx*x1<<" spx*x2="<<spx*x2<<" s="<<s; | |
682 | } // end if GetDebug | |
683 | s *= TMath::Erfc(spz*z1) - TMath::Erfc(spz*z2); | |
684 | if(GetDebug(3)){ | |
685 | cout<<" spz*z1="<<spz*z1<<" spz*z2="<<spz*z2<<" s="<<s<< endl; | |
686 | } // end if GetDebug | |
687 | GetMap()->AddSignal(iz,ix,t,hi,GetModuleNumber(),s*el); | |
688 | } // end for ix, iz | |
c7a4dac0 | 689 | } |
690 | //______________________________________________________________________ | |
5bfe44ce | 691 | void AliITSsimulationSPD::RemoveDeadPixels(AliITSmodule *mod){ |
590d15ee | 692 | // Removes dead pixels on each module (ladder) |
693 | // Inputs: | |
694 | // Module Index (0,239) | |
695 | // Outputs: | |
696 | // none. | |
697 | // Return: | |
698 | // none. | |
699 | ||
700 | Int_t moduleNr = mod->GetIndex(); | |
8e2f60b2 | 701 | AliITSCalibrationSPD* calObj = (AliITSCalibrationSPD*) GetCalibrationModel(moduleNr); |
702 | ||
6727e2db | 703 | Int_t nrDead = calObj->GetNrBad(); |
8e2f60b2 | 704 | // cout << "Module --> " << moduleNr << endl; // dom |
705 | // cout << "nr of dead " << nrDead << endl; // dom | |
590d15ee | 706 | for (Int_t i=0; i<nrDead; i++) { |
6727e2db | 707 | GetMap()->DeleteHit(calObj->GetBadColAt(i),calObj->GetBadRowAt(i)); |
8e2f60b2 | 708 | // cout << "dead index " << i << endl; // dom |
709 | // cout << "col row --> " << calObj->GetDeadColAt(i) << " " << calObj->GetDeadRowAt(i) << endl; // dom | |
5bfe44ce | 710 | } |
711 | } | |
712 | //______________________________________________________________________ | |
590d15ee | 713 | void AliITSsimulationSPD::FrompListToDigits(){ |
5bfe44ce | 714 | // add noise and electronics, perform the zero suppression and add the |
715 | // digit to the list | |
aacedc3e | 716 | // Inputs: |
5bfe44ce | 717 | // none. |
aacedc3e | 718 | // Outputs: |
5bfe44ce | 719 | // none. |
aacedc3e | 720 | // Return: |
5bfe44ce | 721 | // none. |
722 | static AliITS *aliITS = (AliITS*)gAlice->GetModule("ITS"); | |
723 | Int_t j,ix,iz; | |
724 | Double_t electronics; | |
725 | Double_t sig; | |
0599a018 | 726 | const Int_t knmaxtrk=AliITSdigit::GetNTracks(); |
5bfe44ce | 727 | static AliITSdigitSPD dig; |
728 | AliITSCalibrationSPD* res = (AliITSCalibrationSPD*)GetCalibrationModel(fDetType->GetITSgeom()->GetStartSPD()); | |
590d15ee | 729 | if(GetDebug(1)) Info("FrompListToDigits","()"); |
5bfe44ce | 730 | for(iz=0; iz<GetNPixelsZ(); iz++) for(ix=0; ix<GetNPixelsX(); ix++){ |
731 | // NEW (for the moment plugged by hand, in the future possibly read from Data Base) | |
732 | // here parametrize the efficiency of the pixel along the row for the test columns (1,9,17,25) | |
733 | // if(iz==1 || iz == 9 || iz == 17 || iz == 25) { | |
734 | // Double_t eff,p1=0.,p2=0.; | |
735 | // Double_t x=ix; | |
736 | // switch (iz) { | |
737 | // case 1: p1=0.63460;p2=0.42438E-01;break; | |
738 | // case 9: p1=0.41090;p2=0.75914E-01;break; | |
739 | // case 17: p1=0.31883;p2=0.91502E-01;break; | |
740 | // case 25: p1=0.48828;p2=0.57975E-01;break; | |
741 | // } // end switch | |
742 | // eff=1.-p1*exp(-p2*x); | |
743 | // if (gRandom->Rndm() >= eff) continue; | |
744 | // } // end if | |
745 | // END parametrize the efficiency | |
746 | // | |
747 | electronics = res->ApplyBaselineAndNoise(); | |
748 | UpdateMapNoise(ix,iz,electronics); | |
749 | // | |
750 | // Apply Threshold and write Digits. | |
751 | sig = GetMap()->GetSignalOnly(iz,ix); | |
752 | FillHistograms(ix,iz,sig+electronics); | |
753 | if(GetDebug(3)){ | |
754 | cout<<sig<<"+"<<electronics<<">threshold("<<ix<<","<<iz | |
755 | <<")="<<GetThreshold() <<endl; | |
756 | } // end if GetDebug | |
757 | if (sig+electronics <= GetThreshold()) continue; | |
758 | dig.SetCoord1(iz); | |
759 | dig.SetCoord2(ix); | |
760 | dig.SetSignal(1); | |
590d15ee | 761 | |
762 | // dig.SetSignalSPD((Int_t) GetMap()->GetSignal(iz,ix)); | |
763 | Double_t aSignal = GetMap()->GetSignal(iz,ix); | |
764 | if (TMath::Abs(aSignal)>2147483647.0) { | |
765 | //PH 2147483647 is the max. integer | |
766 | //PH This apparently is a problem which needs investigation | |
767 | AliWarning(Form("Too big or too small signal value %f",aSignal)); | |
768 | aSignal = TMath::Sign((Double_t)2147483647,aSignal); | |
769 | } | |
770 | dig.SetSignalSPD((Int_t)aSignal); | |
771 | ||
772 | for(j=0;j<knmaxtrk;j++){ | |
5bfe44ce | 773 | if (j<GetMap()->GetNEntries()) { |
774 | dig.SetTrack(j,GetMap()->GetTrack(iz,ix,j)); | |
775 | dig.SetHit(j,GetMap()->GetHit(iz,ix,j)); | |
776 | }else { // Default values | |
777 | dig.SetTrack(j,-3); | |
778 | dig.SetHit(j,-1); | |
779 | } // end if GetMap() | |
780 | } // end for j | |
781 | if(GetDebug(3)){ | |
782 | cout<<iz<<","<<ix<<","<<*(GetMap()->GetpListItem(iz,ix))<<endl; | |
783 | } // end if GetDebug | |
784 | aliITS->AddSimDigit(0,&dig); | |
785 | } // for ix/iz | |
c7a4dac0 | 786 | } |
787 | //______________________________________________________________________ | |
5bfe44ce | 788 | void AliITSsimulationSPD::CreateHistograms(){ |
789 | // create 1D histograms for tests | |
aacedc3e | 790 | // Inputs: |
5bfe44ce | 791 | // none. |
aacedc3e | 792 | // Outputs: |
5bfe44ce | 793 | // none. |
aacedc3e | 794 | // Return: |
5bfe44ce | 795 | // none. |
796 | ||
797 | if(GetDebug(1)) Info("CreateHistograms","create histograms"); | |
798 | ||
799 | fHis = new TObjArray(GetNPixelsZ()); | |
800 | TString fSPDname("spd_"); | |
801 | for(Int_t i=0;i<GetNPixelsZ();i++) { | |
802 | Char_t pixelz[4]; | |
803 | sprintf(pixelz,"%d",i); | |
804 | fSPDname.Append(pixelz); | |
805 | fHis->AddAt(new TH1F(fSPDname.Data(),"SPD maps", | |
806 | GetNPixelsX(),0.,(Double_t)GetNPixelsX()),i); | |
807 | } // end for i | |
c7a4dac0 | 808 | } |
809 | //______________________________________________________________________ | |
5bfe44ce | 810 | void AliITSsimulationSPD::FillHistograms(Int_t ix,Int_t iz,Double_t v){ |
811 | // Fill the histogram | |
aacedc3e | 812 | // Inputs: |
5bfe44ce | 813 | // none. |
aacedc3e | 814 | // Outputs: |
5bfe44ce | 815 | // none. |
aacedc3e | 816 | // Return: |
5bfe44ce | 817 | // none. |
818 | ||
819 | if(!GetHistArray()) return; // Only fill if setup. | |
820 | if(GetDebug(2)) Info("FillHistograms","fill histograms"); | |
821 | GetHistogram(iz)->Fill(ix,v); | |
c7a4dac0 | 822 | } |
823 | //______________________________________________________________________ | |
5bfe44ce | 824 | void AliITSsimulationSPD::ResetHistograms(){ |
825 | // Reset histograms for this detector | |
aacedc3e | 826 | // Inputs: |
5bfe44ce | 827 | // none. |
aacedc3e | 828 | // Outputs: |
5bfe44ce | 829 | // none. |
aacedc3e | 830 | // Return: |
5bfe44ce | 831 | // none. |
832 | ||
833 | if(!GetHistArray()) return; // Only fill if setup. | |
834 | if(GetDebug(2)) Info("FillHistograms","fill histograms"); | |
835 | for ( int i=0;i<GetNPixelsZ();i++ ) { | |
836 | if (fHis->At(i)) ((TH1F*)fHis->At(i))->Reset(); | |
837 | } // end for i | |
21b825a4 | 838 | } |
5bfe44ce | 839 | |
c7a4dac0 | 840 | //______________________________________________________________________ |
590d15ee | 841 | void AliITSsimulationSPD::SetCoupling(Int_t col, Int_t row, Int_t ntrack, |
5bfe44ce | 842 | Int_t idhit) { |
c7a4dac0 | 843 | // Take into account the coupling between adiacent pixels. |
f8d9a5b8 | 844 | // The parameters probcol and probrow are the probability of the |
845 | // signal in one pixel shared in the two adjacent pixels along | |
846 | // the column and row direction, respectively. | |
5bfe44ce | 847 | // Note pList is goten via GetMap() and module is not need any more. |
848 | // Otherwise it is identical to that coded by Tiziano Virgili (BSN). | |
f8d9a5b8 | 849 | //Begin_Html |
850 | /* | |
851 | <img src="picts/ITS/barimodel_3.gif"> | |
852 | </pre> | |
853 | <br clear=left> | |
854 | <font size=+2 color=red> | |
855 | <a href="mailto:tiziano.virgili@cern.ch"></a>. | |
856 | </font> | |
857 | <pre> | |
858 | */ | |
859 | //End_Html | |
5bfe44ce | 860 | // Inputs: |
590d15ee | 861 | // Int_t col z cell index |
862 | // Int_t row x cell index | |
5bfe44ce | 863 | // Int_t ntrack track incex number |
864 | // Int_t idhit hit index number | |
865 | // Outputs: | |
866 | // none. | |
867 | // Return: | |
868 | // none. | |
f8d9a5b8 | 869 | Int_t j1,j2,flag=0; |
870 | Double_t pulse1,pulse2; | |
aacedc3e | 871 | Double_t couplR=0.0,couplC=0.0; |
f8d9a5b8 | 872 | Double_t xr=0.; |
873 | ||
5bfe44ce | 874 | GetCouplings(couplC,couplR); |
590d15ee | 875 | if(GetDebug(3)) Info("SetCoupling","(col=%d,row=%d,ntrack=%d,idhit=%d) " |
876 | "Calling SetCoupling couplC=%e couplR=%e", | |
877 | col,row,ntrack,idhit,couplC,couplR); | |
878 | j1 = col; | |
879 | j2 = row; | |
880 | pulse1 = GetMap()->GetSignalOnly(col,row); | |
f8d9a5b8 | 881 | pulse2 = pulse1; |
590d15ee | 882 | for (Int_t isign=-1;isign<=1;isign+=2){// loop in col direction |
aacedc3e | 883 | do{ |
884 | j1 += isign; | |
aacedc3e | 885 | xr = gRandom->Rndm(); |
590d15ee | 886 | if ((j1<0) || (j1>GetNPixelsZ()-1) || (xr>couplC)){ |
887 | j1 = col; | |
aacedc3e | 888 | flag = 1; |
889 | }else{ | |
590d15ee | 890 | UpdateMapSignal(row,j1,ntrack,idhit,pulse1); |
aacedc3e | 891 | // flag = 0; |
892 | flag = 1; // only first next!! | |
893 | } // end if | |
894 | } while(flag == 0); | |
590d15ee | 895 | // loop in row direction |
aacedc3e | 896 | do{ |
897 | j2 += isign; | |
aacedc3e | 898 | xr = gRandom->Rndm(); |
590d15ee | 899 | if ((j2<0) || (j2>GetNPixelsX()-1) || (xr>couplR)){ |
900 | j2 = row; | |
aacedc3e | 901 | flag = 1; |
902 | }else{ | |
590d15ee | 903 | UpdateMapSignal(j2,col,ntrack,idhit,pulse2); |
aacedc3e | 904 | // flag = 0; |
905 | flag = 1; // only first next!! | |
906 | } // end if | |
907 | } while(flag == 0); | |
f8d9a5b8 | 908 | } // for isign |
909 | } | |
910 | //______________________________________________________________________ | |
590d15ee | 911 | void AliITSsimulationSPD::SetCouplingOld(Int_t col, Int_t row, |
5bfe44ce | 912 | Int_t ntrack,Int_t idhit) { |
f8d9a5b8 | 913 | // Take into account the coupling between adiacent pixels. |
c7a4dac0 | 914 | // The parameters probcol and probrow are the fractions of the |
915 | // signal in one pixel shared in the two adjacent pixels along | |
916 | // the column and row direction, respectively. | |
c7a4dac0 | 917 | //Begin_Html |
918 | /* | |
919 | <img src="picts/ITS/barimodel_3.gif"> | |
920 | </pre> | |
921 | <br clear=left> | |
922 | <font size=+2 color=red> | |
923 | <a href="mailto:Rocco.Caliandro@ba.infn.it"></a>. | |
924 | </font> | |
925 | <pre> | |
926 | */ | |
927 | //End_Html | |
5bfe44ce | 928 | // Inputs: |
590d15ee | 929 | // Int_t col z cell index |
930 | // Int_t row x cell index | |
5bfe44ce | 931 | // Int_t ntrack track incex number |
932 | // Int_t idhit hit index number | |
933 | // Int_t module module number | |
934 | // Outputs: | |
935 | // none. | |
936 | // Return: | |
937 | // none. | |
c7a4dac0 | 938 | Int_t j1,j2,flag=0; |
939 | Double_t pulse1,pulse2; | |
aacedc3e | 940 | Double_t couplR=0.0,couplC=0.0; |
c7a4dac0 | 941 | |
5bfe44ce | 942 | GetCouplings(couplC,couplR); |
943 | ||
944 | // Debugging ... | |
945 | // cout << "Threshold --> " << GetThreshold() << endl; // dom | |
8e2f60b2 | 946 | // cout << "Couplings --> " << couplC << " " << couplR << endl; // dom |
5bfe44ce | 947 | |
590d15ee | 948 | if(GetDebug(3)) Info("SetCouplingOld","(col=%d,row=%d,ntrack=%d,idhit=%d) " |
949 | "Calling SetCoupling couplC=%e couplR=%e", | |
950 | col,row,ntrack,idhit,couplC,couplR); | |
951 | for (Int_t isign=-1;isign<=1;isign+=2){// loop in col direction | |
952 | pulse1 = GetMap()->GetSignalOnly(col,row); | |
5bfe44ce | 953 | pulse2 = pulse1; |
590d15ee | 954 | j1 = col; |
955 | j2 = row; | |
aacedc3e | 956 | do{ |
957 | j1 += isign; | |
590d15ee | 958 | pulse1 *= couplC; |
5bfe44ce | 959 | if ((j1<0)||(j1>GetNPixelsZ()-1)||(pulse1<GetThreshold())){ |
590d15ee | 960 | pulse1 = GetMap()->GetSignalOnly(col,row); |
961 | j1 = col; | |
aacedc3e | 962 | flag = 1; |
963 | }else{ | |
590d15ee | 964 | UpdateMapSignal(row,j1,ntrack,idhit,pulse1); |
5bfe44ce | 965 | // flag = 0; |
966 | flag = 1; // only first next !! | |
aacedc3e | 967 | } // end if |
968 | } while(flag == 0); | |
590d15ee | 969 | // loop in row direction |
aacedc3e | 970 | do{ |
971 | j2 += isign; | |
590d15ee | 972 | pulse2 *= couplR; |
5bfe44ce | 973 | if((j2<0)||(j2>(GetNPixelsX()-1))||(pulse2<GetThreshold())){ |
590d15ee | 974 | pulse2 = GetMap()->GetSignalOnly(col,row); |
975 | j2 = row; | |
aacedc3e | 976 | flag = 1; |
977 | }else{ | |
590d15ee | 978 | UpdateMapSignal(j2,col,ntrack,idhit,pulse2); |
5bfe44ce | 979 | // flag = 0; |
980 | flag = 1; // only first next!! | |
aacedc3e | 981 | } // end if |
982 | } while(flag == 0); | |
c7a4dac0 | 983 | } // for isign |
21b825a4 | 984 | } |