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