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f74211b0 | 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 | ||
12e7c97c | 16 | /* |
17 | $Id$ | |
18 | */ | |
4ae5bbc4 | 19 | #include <Riostream.h> |
409f8c84 | 20 | #include <TRandom.h> |
21 | #include <TH1.h> | |
22 | #include <TMath.h> | |
23 | #include <TString.h> | |
24 | #include <TParticle.h> | |
25 | ||
409f8c84 | 26 | #include "AliRun.h" |
27 | #include "AliITS.h" | |
28 | #include "AliITShit.h" | |
e869281d | 29 | #include "AliITSdigitSPD.h" |
409f8c84 | 30 | #include "AliITSmodule.h" |
31 | #include "AliITSMapA2.h" | |
2cc6b29a | 32 | #include "AliITSpList.h" |
409f8c84 | 33 | #include "AliITSsimulationSPDdubna.h" |
f74211b0 | 34 | #include "AliITSsegmentationSPD.h" |
aacedc3e | 35 | #include "AliITSresponseSPD.h" |
409f8c84 | 36 | |
f74211b0 | 37 | //#define DEBUG |
409f8c84 | 38 | |
39 | ClassImp(AliITSsimulationSPDdubna) | |
40 | //////////////////////////////////////////////////////////////////////// | |
12e7c97c | 41 | // Version: 1 |
42 | // Modified by Bjorn S. Nilsen | |
409f8c84 | 43 | // Version: 0 |
44 | // Written by Boris Batyunya | |
45 | // December 20 1999 | |
46 | // | |
12e7c97c | 47 | // AliITSsimulationSPDdubna is to do the simulation of SPDs. |
2cc6b29a | 48 | //______________________________________________________________________ |
aacedc3e | 49 | AliITSsimulationSPDdubna::AliITSsimulationSPDdubna(): |
50 | AliITSsimulation(), | |
51 | fHis(0), | |
52 | fSPDname(), | |
53 | fCoupling(0){ | |
12e7c97c | 54 | // Default constructor. |
55 | // Inputs: | |
56 | // none. | |
57 | // Outputs: | |
58 | // none. | |
59 | // Return: | |
60 | // A default constructed AliITSsimulationSPDdubna class. | |
2cc6b29a | 61 | |
aacedc3e | 62 | if(GetDebug(1)) Info("AliITSsimulationSPDdubda()", |
63 | "Calling degault constructor"); | |
409f8c84 | 64 | } |
2cc6b29a | 65 | //______________________________________________________________________ |
66 | AliITSsimulationSPDdubna::AliITSsimulationSPDdubna(AliITSsegmentation *seg, | |
aacedc3e | 67 | AliITSresponse *resp,Int_t cup): |
68 | AliITSsimulation(seg,resp), | |
69 | fHis(0), | |
70 | fSPDname(), | |
71 | fCoupling(cup){ | |
2cc6b29a | 72 | // standard constructor |
12e7c97c | 73 | // Inputs: |
74 | // AliITSsegmentation *seg A pointer to the segmentation class | |
75 | // to be used for this simulation | |
76 | // AliITSresponse *resp A pointer to the responce class to | |
77 | // be used for this simulation | |
aacedc3e | 78 | // Int_t cup The type of coupling to be used |
79 | // =1 uses SetCoupling, =2 uses SetCouplingOld | |
80 | // With diffusion tured off | |
81 | // =3 uses SetCoupling, =4 uses SetCouplingOld | |
82 | // with diffusion on other, no coupling. | |
12e7c97c | 83 | // Outputs: |
84 | // none. | |
85 | // Return: | |
86 | // A default constructed AliITSsimulationSPDdubna class. | |
409f8c84 | 87 | |
aacedc3e | 88 | if(GetDebug(1)) Info("AliITSsimulationSPDdubda", |
89 | "Calling degault constructor seg=%p resp=%p cup=%d", | |
90 | seg,resp,cup); | |
91 | if(cup==1||cup==2){ // For the moment, remove defusion if Coupling is | |
92 | // set. | |
93 | resp->SetTemperature(0.0); | |
94 | resp->SetDistanceOverVoltage(0.0); | |
95 | } // end if | |
96 | Init(); | |
12e7c97c | 97 | } |
98 | //______________________________________________________________________ | |
aacedc3e | 99 | void AliITSsimulationSPDdubna::Init(){ |
12e7c97c | 100 | // Initilization |
101 | // Inputs: | |
aacedc3e | 102 | // none. |
12e7c97c | 103 | // Outputs: |
104 | // none. | |
105 | // Return: | |
106 | // none. | |
107 | const Double_t kmictocm = 1.0e-4; // convert microns to cm. | |
409f8c84 | 108 | |
12e7c97c | 109 | SetModuleNumber(0); |
110 | SetEventNumber(0); | |
111 | SetMap(new AliITSpList(GetNPixelsZ(),GetNPixelsX())); | |
aacedc3e | 112 | GetResp(0,0)->SetDistanceOverVoltage(kmictocm*GetSeg()->Dy(),50.0); |
2cc6b29a | 113 | } |
114 | //______________________________________________________________________ | |
115 | AliITSsimulationSPDdubna::~AliITSsimulationSPDdubna(){ | |
116 | // destructor | |
12e7c97c | 117 | // Inputs: |
118 | // none. | |
119 | // Outputs: | |
120 | // none. | |
121 | // Return: | |
122 | // none. | |
409f8c84 | 123 | |
2cc6b29a | 124 | if (fHis) { |
aacedc3e | 125 | fHis->Delete(); |
126 | delete fHis; | |
2cc6b29a | 127 | } // end if fHis |
409f8c84 | 128 | } |
2cc6b29a | 129 | //______________________________________________________________________ |
130 | AliITSsimulationSPDdubna::AliITSsimulationSPDdubna(const | |
131 | AliITSsimulationSPDdubna | |
12e7c97c | 132 | &s) : AliITSsimulation(s){ |
133 | // Copy Constructor | |
134 | // Inputs: | |
135 | // AliITSsimulationSPDdubna &s The original class for which | |
136 | // this class is a copy of | |
137 | // Outputs: | |
138 | // none. | |
139 | // Return: | |
140 | ||
141 | *this = s; | |
2cc6b29a | 142 | return; |
143 | } | |
144 | //______________________________________________________________________ | |
145 | AliITSsimulationSPDdubna& AliITSsimulationSPDdubna::operator=(const | |
12e7c97c | 146 | AliITSsimulationSPDdubna &s){ |
2cc6b29a | 147 | // Assignment operator |
12e7c97c | 148 | // Inputs: |
149 | // AliITSsimulationSPDdubna &s The original class for which | |
150 | // this class is a copy of | |
151 | // Outputs: | |
152 | // none. | |
153 | // Return: | |
154 | ||
155 | if(&s == this) return *this; | |
aacedc3e | 156 | this->fHis = s.fHis; |
157 | fCoupling = s.fCoupling; | |
158 | fSPDname = s.fSPDname; | |
2cc6b29a | 159 | return *this; |
160 | } | |
161 | //______________________________________________________________________ | |
d2f55a22 | 162 | AliITSsimulationSPDdubna& AliITSsimulationSPDdubna::operator=(const |
163 | AliITSsimulation &s){ | |
164 | // Assignment operator | |
165 | // Inputs: | |
166 | // AliITSsimulationSPDdubna &s The original class for which | |
167 | // this class is a copy of | |
168 | // Outputs: | |
169 | // none. | |
170 | // Return: | |
171 | ||
172 | if(&s == this) return *this; | |
173 | Error("AliITSsimulationSPDdubna","Not allowed to make a = with " | |
174 | "AliITSsimulationSPDdubna","Using default creater instead"); | |
175 | ||
176 | return *this; | |
177 | } | |
178 | //______________________________________________________________________ | |
2cc6b29a | 179 | void AliITSsimulationSPDdubna::InitSimulationModule(Int_t module, Int_t event){ |
180 | // This function creates maps to build the list of tracks for each | |
12e7c97c | 181 | // summable digit. Inputs defined by base class. |
2cc6b29a | 182 | // Inputs: |
183 | // Int_t module // Module number to be simulated | |
184 | // Int_t event // Event number to be simulated | |
2cc6b29a | 185 | // Outputs: |
186 | // none | |
2cc6b29a | 187 | // Returns: |
188 | // none | |
409f8c84 | 189 | |
aacedc3e | 190 | if(GetDebug(1)) Info("InitSimulationModule","(module=%d,event=%d)", |
191 | module,event); | |
12e7c97c | 192 | SetModuleNumber(module); |
193 | SetEventNumber(event); | |
194 | ClearMap(); | |
2cc6b29a | 195 | } |
196 | //_____________________________________________________________________ | |
aacedc3e | 197 | void AliITSsimulationSPDdubna::SDigitiseModule(AliITSmodule *mod,Int_t, |
198 | Int_t event){ | |
12e7c97c | 199 | // This function begins the work of creating S-Digits. Inputs defined |
200 | // by base class. | |
2cc6b29a | 201 | // Inputs: |
202 | // AliITSmodule *mod // module | |
aacedc3e | 203 | // Int_t // not used |
204 | // Int_t event // Event number | |
2cc6b29a | 205 | // Outputs: |
206 | // none | |
2cc6b29a | 207 | // Return: |
208 | // test // test returns kTRUE if the module contained hits | |
209 | // // test returns kFALSE if it did not contain hits | |
409f8c84 | 210 | |
aacedc3e | 211 | if(GetDebug(1)) Info("SDigitiseModule","(mod=%p, ,event=%d)",mod,event); |
212 | if(!(mod->GetNhits())){ | |
213 | if(GetDebug(1)) Info("SDigitiseModule","In event %d module %d there " | |
214 | "are %d hits returning.",event, | |
215 | mod->GetIndex(),mod->GetNhits()); | |
216 | return;// if module has no hits don't create Sdigits | |
217 | } // end if | |
12e7c97c | 218 | SetModuleNumber(mod->GetIndex()); |
219 | SetEventNumber(event); | |
220 | HitToSDigit(mod); | |
221 | WriteSDigits(); | |
222 | ClearMap(); | |
409f8c84 | 223 | } |
2cc6b29a | 224 | //______________________________________________________________________ |
12e7c97c | 225 | void AliITSsimulationSPDdubna::WriteSDigits(){ |
2cc6b29a | 226 | // This function adds each S-Digit to pList |
2cc6b29a | 227 | // Inputs: |
12e7c97c | 228 | // none. |
2cc6b29a | 229 | // Outputs: |
12e7c97c | 230 | // none. |
2cc6b29a | 231 | // Return: |
232 | // none | |
7d50ea21 | 233 | Int_t ix, nix, iz, niz; |
2cc6b29a | 234 | static AliITS *aliITS = (AliITS*)gAlice->GetModule("ITS"); |
235 | ||
aacedc3e | 236 | if(GetDebug(1))Info("WriteSDigits","Writing SDigits for module %d", |
237 | GetModuleNumber()); | |
12e7c97c | 238 | GetMap()->GetMaxMapIndex(niz, nix); |
239 | for(iz=0; iz<niz; iz++)for(ix=0; ix<nix; ix++){ | |
aacedc3e | 240 | if(GetMap()->GetSignalOnly(iz,ix)>0.0){ |
241 | aliITS->AddSumDigit(*(GetMap()->GetpListItem(iz,ix))); | |
242 | if(GetDebug(1)){ | |
243 | cout <<"AliITSsimulationSPDdubna:WriteSDigits " << iz << "," | |
244 | << ix << "," << *(GetMap()->GetpListItem(iz,ix)) << endl; | |
245 | } // end if GetDebug | |
246 | } // end if GetMap()->GetSignalOnly(iz,ix)>0.0 | |
7d50ea21 | 247 | } // end for iz,ix |
2cc6b29a | 248 | return; |
249 | } | |
250 | //______________________________________________________________________ | |
251 | void AliITSsimulationSPDdubna::FinishSDigitiseModule(){ | |
252 | // This function calls SDigitsToDigits which creates Digits from SDigits | |
2cc6b29a | 253 | // Inputs: |
254 | // none | |
2cc6b29a | 255 | // Outputs: |
256 | // none | |
257 | // Return | |
258 | // none | |
409f8c84 | 259 | |
aacedc3e | 260 | if(GetDebug(1)) Info("SDigitiseModule","()"); |
261 | pListToDigits(); // Charge To Signal both adds noise and | |
12e7c97c | 262 | ClearMap(); |
aacedc3e | 263 | return; |
409f8c84 | 264 | } |
2cc6b29a | 265 | //______________________________________________________________________ |
aacedc3e | 266 | void AliITSsimulationSPDdubna::DigitiseModule(AliITSmodule *mod,Int_t, |
267 | Int_t){ | |
2cc6b29a | 268 | // This function creates Digits straight from the hits and then adds |
269 | // electronic noise to the digits before adding them to pList | |
12e7c97c | 270 | // Each of the input variables is passed along to HitToSDigit |
2cc6b29a | 271 | // Inputs: |
12e7c97c | 272 | // AliITSmodule *mod module |
aacedc3e | 273 | // Int_t Dummy. |
274 | // Int_t Dummy | |
2cc6b29a | 275 | // Outputs: |
12e7c97c | 276 | // none. |
2cc6b29a | 277 | // Return: |
12e7c97c | 278 | // none. |
409f8c84 | 279 | |
aacedc3e | 280 | if(GetDebug(1)) Info("DigitiseModule","(mod=%p,,)",mod); |
12e7c97c | 281 | HitToSDigit(mod); |
aacedc3e | 282 | pListToDigits(); |
12e7c97c | 283 | ClearMap(); |
2cc6b29a | 284 | } |
285 | //______________________________________________________________________ | |
12e7c97c | 286 | void AliITSsimulationSPDdubna::HitToSDigit(AliITSmodule *mod){ |
f74211b0 | 287 | // Does the charge distributions using Gaussian diffusion charge charing. |
12e7c97c | 288 | // Inputs: |
289 | // AliITSmodule *mod Pointer to this module | |
290 | // Output: | |
291 | // none. | |
292 | // Return: | |
293 | // none. | |
f74211b0 | 294 | const Double_t kmictocm = 1.0e-4; // convert microns to cm. |
295 | TObjArray *hits = mod->GetHits(); | |
296 | Int_t nhits = hits->GetEntriesFast(); | |
aacedc3e | 297 | Int_t h,ix,iz,i; |
f74211b0 | 298 | Int_t idtrack; |
299 | Double_t x0=0.0,x1=0.0,y0=0.0,y1=0.0,z0=0.0,z1=0.0,de=0.0; | |
300 | Double_t x,y,z,t,tp,st,dt=0.2,el,sig; | |
301 | Double_t thick = kmictocm*GetSeg()->Dy(); | |
302 | ||
aacedc3e | 303 | if(GetDebug(1)) Info("HitsToSDigits","(mod=%p) fCoupling=%d", |
304 | mod,fCoupling); | |
f74211b0 | 305 | if(nhits<=0) return; |
306 | for(h=0;h<nhits;h++){ | |
aacedc3e | 307 | if(GetDebug(1)){ |
308 | cout << "Hits=" << h << "," << *(mod->GetHit(h)) << endl; | |
309 | } // end if GetDebug | |
310 | if(!mod->LineSegmentL(h,x0,x1,y0,y1,z0,z1,de,idtrack)) continue; | |
311 | st = TMath::Sqrt(x1*x1+y1*y1+z1*z1); | |
312 | if(st>0.0){ | |
c789ee28 | 313 | st = (Double_t)((Int_t)(st/kmictocm)); // number of microns |
314 | if(st<=1.0) st = 1.0; | |
aacedc3e | 315 | dt = 1.0/st; |
316 | for(t=0.0;t<1.0;t+=dt){ // Integrate over t | |
317 | tp = t+0.5*dt; | |
318 | x = x0+x1*tp; | |
319 | y = y0+y1*tp; | |
320 | z = z0+z1*tp; | |
321 | if(!(GetSeg()->LocalToDet(x,z,ix,iz))) continue; // outside | |
322 | el = GetResp(ix,iz)->GeVToCharge((Double_t)(dt*de)); | |
323 | if(GetDebug(1)){ | |
324 | if(el<=0.0) cout<<"el="<<el<<" dt="<<dt | |
325 | <<" de="<<de<<endl; | |
326 | } // end if GetDebug | |
327 | sig = GetResp(ix,iz)->SigmaDiffusion1D(thick + y); | |
328 | SpreadCharge(x,z,ix,iz,el,sig,idtrack,h); | |
329 | } // end for t | |
330 | } else { // st == 0.0 deposit it at this point | |
331 | x = x0; | |
332 | y = y0; | |
333 | z = z0; | |
334 | if(!(GetSeg()->LocalToDet(x,z,ix,iz))) continue; // outside | |
335 | el = GetResp(ix,iz)->GeVToCharge((Double_t)de); | |
336 | sig = GetResp(ix,iz)->SigmaDiffusion1D(thick + y); | |
337 | SpreadCharge(x,z,ix,iz,el,sig,idtrack,h); | |
338 | } // end if st>0.0 | |
339 | // Coupling | |
340 | switch (fCoupling) { | |
341 | default: | |
342 | break; | |
343 | case 1: case 3: | |
344 | // x is column and z is row (see AliITSsegmentationSPD::GetPadIxz) | |
345 | for(i=0;i<GetMap()->GetEntries();i++) | |
346 | if(GetMap()->GetpListItem(i)==0) continue; | |
347 | else{ | |
348 | GetMap()->GetMapIndex( | |
349 | GetMap()->GetpListItem(i)->GetIndex(),iz,ix); | |
350 | SetCoupling(iz,ix,idtrack,h); | |
351 | } // end for i | |
352 | break; | |
353 | case 2: case 4: | |
354 | // x is column and z is row (see AliITSsegmentationSPD::GetPadIxz) | |
355 | for(i=0;i<GetMap()->GetEntries();i++) | |
356 | if(GetMap()->GetpListItem(i)==0) continue; | |
357 | else{ | |
358 | GetMap()->GetMapIndex( | |
359 | GetMap()->GetpListItem(i)->GetIndex(),iz,ix); | |
360 | SetCouplingOld(iz,ix,idtrack,h); | |
361 | } // end for i | |
362 | break; | |
363 | } // end switch | |
12e7c97c | 364 | } // Loop over all hits h |
aacedc3e | 365 | if(GetDebug(2))Info("HitToSDigit","Finished fCoupling=%d",fCoupling); |
12e7c97c | 366 | } |
f74211b0 | 367 | //______________________________________________________________________ |
12e7c97c | 368 | void AliITSsimulationSPDdubna::SpreadCharge(Double_t x0,Double_t z0, |
369 | Int_t ix0,Int_t iz0, | |
f74211b0 | 370 | Double_t el,Double_t sig,Int_t t, |
12e7c97c | 371 | Int_t hi){ |
f74211b0 | 372 | // Spreads the charge over neighboring cells. Assume charge is distributed |
373 | // as charge(x,z) = (el/2*pi*sig*sig)*exp(-arg) | |
374 | // arg=((x-x0)*(x-x0)/2*sig*sig)+((z-z0*z-z0)/2*sig*sig) | |
375 | // Defined this way, the integral over all x and z is el. | |
12e7c97c | 376 | // Inputs: |
377 | // Double_t x0 x position of point where charge is liberated | |
378 | // Double_t y0 y position of point where charge is liberated | |
379 | // Double_t z0 z position of point where charge is liberated | |
380 | // Int_t ix0 row of cell corresponding to point x0 | |
381 | // Int_t iz0 columb of cell corresponding to point z0 | |
382 | // Double_t el number of electrons liberated in this step | |
383 | // Double_t sig Sigma difusion for this step (y0 dependent) | |
384 | // Int_t t track number | |
385 | // Int_t ti hit track index number | |
386 | // Int_t hi hit "hit" index number | |
387 | // Outputs: | |
388 | // none. | |
389 | // Return: | |
390 | // none. | |
f74211b0 | 391 | const Int_t knx = 3,knz = 2; |
392 | const Double_t kRoot2 = 1.414213562; // Sqrt(2). | |
393 | const Double_t kmictocm = 1.0e-4; // convert microns to cm. | |
394 | Int_t ix,iz,ixs,ixe,izs,ize; | |
395 | Float_t x,z; | |
396 | Double_t x1,x2,z1,z2,s,sp; | |
397 | ||
aacedc3e | 398 | if(GetDebug(4)) Info("SpreadCharge","(x0=%e,z0=%e,ix0=%d,iz0=%d,el=%e," |
399 | "sig=%e,t=%d,i=%d)",x0,z0,ix0,iz0,el,sig,t,hi); | |
400 | if(sig<=0.0) { // if sig<=0 No diffusion to simulate. | |
401 | GetMap()->AddSignal(iz0,ix0,t,hi,GetModuleNumber(),el); | |
402 | if(GetDebug(2)){ | |
403 | cout << "sig<=0.0=" << sig << endl; | |
404 | } // end if GetDebug | |
405 | return; | |
f74211b0 | 406 | } // end if |
407 | sp = 1.0/(sig*kRoot2); | |
aacedc3e | 408 | if(GetDebug(2)){ |
409 | cout << "sig=" << sig << " sp=" << sp << endl; | |
410 | } // end if GetDebug | |
f74211b0 | 411 | ixs = TMath::Max(-knx+ix0,0); |
412 | ixe = TMath::Min(knx+ix0,GetSeg()->Npx()-1); | |
413 | izs = TMath::Max(-knz+iz0,0); | |
414 | ize = TMath::Min(knz+iz0,GetSeg()->Npz()-1); | |
415 | for(ix=ixs;ix<=ixe;ix++) for(iz=izs;iz<=ize;iz++){ | |
aacedc3e | 416 | GetSeg()->DetToLocal(ix,iz,x,z); // pixel center |
417 | x1 = x; | |
418 | z1 = z; | |
419 | x2 = x1 + 0.5*kmictocm*GetSeg()->Dpx(ix); // Upper | |
420 | x1 -= 0.5*kmictocm*GetSeg()->Dpx(ix); // Lower | |
421 | z2 = z1 + 0.5*kmictocm*GetSeg()->Dpz(iz); // Upper | |
422 | z1 -= 0.5*kmictocm*GetSeg()->Dpz(iz); // Lower | |
423 | x1 -= x0; // Distance from where track traveled | |
424 | x2 -= x0; // Distance from where track traveled | |
425 | z1 -= z0; // Distance from where track traveled | |
426 | z2 -= z0; // Distance from where track traveled | |
427 | s = 0.25; // Correction based on definision of Erfc | |
428 | s *= TMath::Erfc(sp*x1) - TMath::Erfc(sp*x2); | |
429 | if(GetDebug(3)){ | |
430 | cout <<"el="<<el<<" ix0="<<ix0<<" ix="<<ix<<" x0="<<x<< | |
431 | " iz0="<<iz0<<" iz="<<iz<<" z0="<<z<< | |
432 | " sp*x1="<<sp*x1<<" sp*x2="<<sp*x2<<" s="<<s; | |
433 | } // end if GetDebug | |
434 | s *= TMath::Erfc(sp*z1) - TMath::Erfc(sp*z2); | |
435 | if(GetDebug(3)){ | |
436 | cout<<" sp*z1="<<sp*z1<<" sp*z2="<<sp*z2<<" s="<<s<< endl; | |
437 | } // end if GetDebug | |
438 | GetMap()->AddSignal(iz,ix,t,hi,GetModuleNumber(),s*el); | |
f74211b0 | 439 | } // end for ix, iz |
440 | } | |
441 | //______________________________________________________________________ | |
aacedc3e | 442 | void AliITSsimulationSPDdubna::pListToDigits(){ |
2cc6b29a | 443 | // add noise and electronics, perform the zero suppression and add the |
444 | // digit to the list | |
12e7c97c | 445 | // Inputs: |
446 | // none. | |
447 | // Outputs: | |
448 | // none. | |
449 | // Return: | |
450 | // none. | |
f74211b0 | 451 | static AliITS *aliITS = (AliITS*)gAlice->GetModule("ITS"); |
12e7c97c | 452 | Int_t j,ix,iz; |
aacedc3e | 453 | Double_t electronics; |
2cc6b29a | 454 | Double_t sig; |
ee86d557 | 455 | const Int_t nmaxtrk=AliITSdigitSPD::GetNTracks(); |
f74211b0 | 456 | static AliITSdigitSPD dig; |
457 | ||
aacedc3e | 458 | if(GetDebug(1)) Info("pListToDigits","()"); |
12e7c97c | 459 | for(iz=0; iz<GetNPixelsZ(); iz++) for(ix=0; ix<GetNPixelsX(); ix++){ |
aacedc3e | 460 | // Apply Noise/Dead channals and the like |
461 | if(GetResp(ix,iz)->IsPixelDead(GetModuleNumber(),ix,iz)) continue; | |
462 | electronics = GetResp(ix,iz)->ApplyBaselineAndNoise(); | |
463 | UpdateMapNoise(ix,iz,electronics); | |
464 | // | |
465 | // Apply Threshold and write Digits. | |
466 | sig = GetMap()->GetSignalOnly(iz,ix); | |
467 | FillHistograms(ix,iz,sig+electronics); | |
468 | if(GetDebug(3)){ | |
469 | cout<<sig<<"+"<<electronics<<">threshold("<<ix<<","<<iz | |
470 | <<")="<<GetThreshold(ix,iz) <<endl; | |
471 | } // end if GetDebug | |
472 | if (sig+electronics <= GetThreshold(ix,iz)) continue; | |
473 | dig.SetCoord1(iz); | |
474 | dig.SetCoord2(ix); | |
475 | dig.SetSignal(1); | |
476 | dig.SetSignalSPD((Int_t) GetMap()->GetSignal(iz,ix)); | |
477 | for(j=0;j<nmaxtrk;j++){ | |
478 | if (j<GetMap()->GetNEnteries()) { | |
479 | dig.SetTrack(j,GetMap()->GetTrack(iz,ix,j)); | |
480 | dig.SetHit(j,GetMap()->GetHit(iz,ix,j)); | |
481 | }else { // Default values | |
482 | dig.SetTrack(j,-3); | |
483 | dig.SetHit(j,-1); | |
484 | } // end if GetMap() | |
485 | } // end for j | |
486 | if(GetDebug(3)){ | |
487 | cout<<iz<<","<<ix<<","<<*(GetMap()->GetpListItem(iz,ix))<<endl; | |
488 | } // end if GetDebug | |
489 | aliITS->AddSimDigit(0,&dig); | |
12e7c97c | 490 | } // for ix/iz |
409f8c84 | 491 | } |
2cc6b29a | 492 | //______________________________________________________________________ |
493 | void AliITSsimulationSPDdubna::CreateHistograms(){ | |
494 | // create 1D histograms for tests | |
12e7c97c | 495 | // Inputs: |
496 | // none. | |
497 | // Outputs: | |
498 | // none. | |
499 | // Return: | |
500 | // none. | |
2cc6b29a | 501 | |
aacedc3e | 502 | if(GetDebug(1)) Info("CreateHistograms","create histograms"); |
2cc6b29a | 503 | |
aacedc3e | 504 | fHis = new TObjArray(GetNPixelsZ()); |
505 | TString fSPDname("spd_"); | |
506 | for(Int_t i=0;i<GetNPixelsZ();i++) { | |
507 | Char_t pixelz[4]; | |
508 | sprintf(pixelz,"%d",i); | |
509 | fSPDname.Append(pixelz); | |
510 | fHis->AddAt(new TH1F(fSPDname.Data(),"SPD maps", | |
511 | GetNPixelsX(),0.,(Double_t)GetNPixelsX()),i); | |
2cc6b29a | 512 | } // end for i |
409f8c84 | 513 | } |
2cc6b29a | 514 | //______________________________________________________________________ |
aacedc3e | 515 | void AliITSsimulationSPDdubna::FillHistograms(Int_t ix,Int_t iz,Double_t v){ |
516 | // Fill the histogram | |
517 | // Inputs: | |
518 | // none. | |
519 | // Outputs: | |
520 | // none. | |
521 | // Return: | |
522 | // none. | |
523 | ||
524 | if(!GetHistArray()) return; // Only fill if setup. | |
525 | if(GetDebug(2)) Info("FillHistograms","fill histograms"); | |
526 | GetHistogram(iz)->Fill(ix,v); | |
527 | } | |
528 | //______________________________________________________________________ | |
2cc6b29a | 529 | void AliITSsimulationSPDdubna::ResetHistograms(){ |
409f8c84 | 530 | // Reset histograms for this detector |
12e7c97c | 531 | // Inputs: |
532 | // none. | |
533 | // Outputs: | |
534 | // none. | |
535 | // Return: | |
536 | // none. | |
409f8c84 | 537 | |
aacedc3e | 538 | if(!GetHistArray()) return; // Only fill if setup. |
539 | if(GetDebug(2)) Info("FillHistograms","fill histograms"); | |
12e7c97c | 540 | for ( int i=0;i<GetNPixelsZ();i++ ) { |
aacedc3e | 541 | if (fHis->At(i)) ((TH1F*)fHis->At(i))->Reset(); |
2cc6b29a | 542 | } // end for i |
409f8c84 | 543 | } |
12e7c97c | 544 | |
545 | //______________________________________________________________________ | |
546 | void AliITSsimulationSPDdubna::SetCoupling(Int_t row, Int_t col, Int_t ntrack, | |
547 | Int_t idhit) { | |
548 | // Take into account the coupling between adiacent pixels. | |
549 | // The parameters probcol and probrow are the probability of the | |
550 | // signal in one pixel shared in the two adjacent pixels along | |
551 | // the column and row direction, respectively. | |
aacedc3e | 552 | // Note pList is goten via GetMap() and module is not need any more. |
553 | // Otherwise it is identical to that coded by Tiziano Virgili (BSN). | |
12e7c97c | 554 | //Begin_Html |
555 | /* | |
556 | <img src="picts/ITS/barimodel_3.gif"> | |
557 | </pre> | |
558 | <br clear=left> | |
559 | <font size=+2 color=red> | |
560 | <a href="mailto:tiziano.virgili@cern.ch"></a>. | |
561 | </font> | |
562 | <pre> | |
563 | */ | |
564 | //End_Html | |
565 | // Inputs: | |
566 | // Int_t row z cell index | |
567 | // Int_t col x cell index | |
568 | // Int_t ntrack track incex number | |
569 | // Int_t idhit hit index number | |
12e7c97c | 570 | // Outputs: |
571 | // none. | |
572 | // Return: | |
573 | // none. | |
574 | Int_t j1,j2,flag=0; | |
575 | Double_t pulse1,pulse2; | |
aacedc3e | 576 | Double_t couplR=0.0,couplC=0.0; |
12e7c97c | 577 | Double_t xr=0.; |
12e7c97c | 578 | |
579 | GetCouplings(couplR,couplC); | |
aacedc3e | 580 | if(GetDebug(3)) Info("SetCoupling","(row=%d,col=%d,ntrack=%d,idhit=%d) " |
581 | "Calling SetCoupling couplR=%e couplC=%e", | |
582 | row,col,ntrack,idhit,couplR,couplC); | |
12e7c97c | 583 | j1 = row; |
584 | j2 = col; | |
aacedc3e | 585 | pulse1 = GetMap()->GetSignalOnly(row,col); |
12e7c97c | 586 | pulse2 = pulse1; |
587 | for (Int_t isign=-1;isign<=1;isign+=2){// loop in row direction | |
aacedc3e | 588 | do{ |
589 | j1 += isign; | |
590 | // pulse1 *= couplR; | |
591 | xr = gRandom->Rndm(); | |
592 | //if ((j1<0)||(j1>GetNPixelsZ()-1)||(pulse1<GetThreshold(j1,col))){ | |
593 | if ((j1<0) || (j1>GetNPixelsZ()-1) || (xr>couplR)){ | |
594 | j1 = row; | |
595 | flag = 1; | |
596 | }else{ | |
597 | UpdateMapSignal(col,j1,ntrack,idhit,pulse1); | |
598 | // flag = 0; | |
599 | flag = 1; // only first next!! | |
600 | } // end if | |
601 | } while(flag == 0); | |
602 | // loop in column direction | |
603 | do{ | |
604 | j2 += isign; | |
605 | // pulse2 *= couplC; | |
606 | xr = gRandom->Rndm(); | |
607 | //if((j2<0)||j2>(GetNPixelsX()-1)||pulse2<GetThreshold(row,j2)){ | |
608 | if ((j2<0) || (j2>GetNPixelsX()-1) || (xr>couplC)){ | |
609 | j2 = col; | |
610 | flag = 1; | |
611 | }else{ | |
612 | UpdateMapSignal(j2,row,ntrack,idhit,pulse2); | |
613 | // flag = 0; | |
614 | flag = 1; // only first next!! | |
615 | } // end if | |
616 | } while(flag == 0); | |
12e7c97c | 617 | } // for isign |
618 | } | |
619 | //______________________________________________________________________ | |
620 | void AliITSsimulationSPDdubna::SetCouplingOld(Int_t row, Int_t col, | |
621 | Int_t ntrack,Int_t idhit) { | |
622 | // Take into account the coupling between adiacent pixels. | |
623 | // The parameters probcol and probrow are the fractions of the | |
624 | // signal in one pixel shared in the two adjacent pixels along | |
625 | // the column and row direction, respectively. | |
626 | //Begin_Html | |
627 | /* | |
628 | <img src="picts/ITS/barimodel_3.gif"> | |
629 | </pre> | |
630 | <br clear=left> | |
631 | <font size=+2 color=red> | |
632 | <a href="mailto:Rocco.Caliandro@ba.infn.it"></a>. | |
633 | </font> | |
634 | <pre> | |
635 | */ | |
636 | //End_Html | |
637 | // Inputs: | |
638 | // Int_t row z cell index | |
639 | // Int_t col x cell index | |
640 | // Int_t ntrack track incex number | |
641 | // Int_t idhit hit index number | |
642 | // Int_t module module number | |
643 | // Outputs: | |
644 | // none. | |
645 | // Return: | |
646 | // none. | |
647 | Int_t j1,j2,flag=0; | |
648 | Double_t pulse1,pulse2; | |
aacedc3e | 649 | Double_t couplR=0.0,couplC=0.0; |
12e7c97c | 650 | |
651 | GetCouplings(couplR,couplC); | |
aacedc3e | 652 | if(GetDebug(3)) Info("SetCouplingOld","(row=%d,col=%d,ntrack=%d,idhit=%d) " |
653 | "Calling SetCoupling couplR=%e couplC=%e", | |
654 | row,col,ntrack,idhit,couplR,couplC); | |
12e7c97c | 655 | j1 = row; |
656 | j2 = col; | |
aacedc3e | 657 | pulse1 = GetMap()->GetSignalOnly(row,col); |
12e7c97c | 658 | pulse2 = pulse1; |
659 | for (Int_t isign=-1;isign<=1;isign+=2){// loop in row direction | |
aacedc3e | 660 | do{ |
661 | j1 += isign; | |
662 | pulse1 *= couplR; | |
663 | if ((j1<0)||(j1>GetNPixelsZ()-1)||(pulse1<GetThreshold(j1,col))){ | |
664 | pulse1 = GetMap()->GetSignalOnly(row,col); | |
665 | j1 = row; | |
666 | flag = 1; | |
667 | }else{ | |
668 | UpdateMapSignal(col,j1,ntrack,idhit,pulse1); | |
669 | flag = 0; | |
670 | } // end if | |
671 | } while(flag == 0); | |
672 | // loop in column direction | |
673 | do{ | |
674 | j2 += isign; | |
675 | pulse2 *= couplC; | |
676 | if((j2<0)||(j2>(GetNPixelsX()-1))||(pulse2<GetThreshold(row,j2))){ | |
677 | pulse2 = GetMap()->GetSignalOnly(row,col); | |
678 | j2 = col; | |
679 | flag = 1; | |
680 | }else{ | |
681 | UpdateMapSignal(j2,row,ntrack,idhit,pulse2); | |
682 | flag = 0; | |
683 | } // end if | |
684 | } while(flag == 0); | |
12e7c97c | 685 | } // for isign |
686 | } |