TObjArray replaced with TClonesArray in AliITSpList - Typo corrected
[u/mrichter/AliRoot.git] / ITS / AliITSsimulationSPDdubna.cxx
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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*/
fcf95fc7 19
4ae5bbc4 20#include <Riostream.h>
409f8c84 21#include <TH1.h>
22#include <TMath.h>
409f8c84 23#include <TParticle.h>
f77f13c8 24#include <TRandom.h>
25#include <TString.h>
409f8c84 26#include "AliITS.h"
f77f13c8 27#include "AliITSMapA2.h"
e869281d 28#include "AliITSdigitSPD.h"
8ba39da9 29#include "AliITSgeom.h"
f77f13c8 30#include "AliITShit.h"
409f8c84 31#include "AliITSmodule.h"
2cc6b29a 32#include "AliITSpList.h"
fcf95fc7 33#include "AliITSCalibrationSPD.h"
f77f13c8 34#include "AliITSsegmentationSPD.h"
35#include "AliITSsimulationSPDdubna.h"
36#include "AliLog.h"
37#include "AliRun.h"
409f8c84 38
f74211b0 39//#define DEBUG
409f8c84 40
41ClassImp(AliITSsimulationSPDdubna)
42////////////////////////////////////////////////////////////////////////
12e7c97c 43// Version: 1
44// Modified by Bjorn S. Nilsen
409f8c84 45// Version: 0
46// Written by Boris Batyunya
47// December 20 1999
48//
12e7c97c 49// AliITSsimulationSPDdubna is to do the simulation of SPDs.
2cc6b29a 50//______________________________________________________________________
aacedc3e 51AliITSsimulationSPDdubna::AliITSsimulationSPDdubna():
52AliITSsimulation(),
53fHis(0),
54fSPDname(),
55fCoupling(0){
12e7c97c 56 // Default constructor.
57 // Inputs:
58 // none.
59 // Outputs:
60 // none.
61 // Return:
62 // A default constructed AliITSsimulationSPDdubna class.
2cc6b29a 63
f77f13c8 64 AliDebug(1,Form("Calling degault constructor"));
409f8c84 65}
2cc6b29a 66//______________________________________________________________________
8ba39da9 67AliITSsimulationSPDdubna::AliITSsimulationSPDdubna(AliITSDetTypeSim *dettyp, Int_t cup):
68AliITSsimulation(dettyp),
aacedc3e 69fHis(0),
70fSPDname(),
71fCoupling(cup){
2cc6b29a 72 // standard constructor
12e7c97c 73 // Inputs:
74 // AliITSsegmentation *seg A pointer to the segmentation class
75 // to be used for this simulation
fcf95fc7 76 // AliITSCalibration *resp A pointer to the responce class to
12e7c97c 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
f77f13c8 88 AliDebug(1,
8ba39da9 89 Form("Calling degault constructor cup=%d",cup));
aacedc3e 90 if(cup==1||cup==2){ // For the moment, remove defusion if Coupling is
91 // set.
fcf95fc7 92 AliITSCalibrationSPD* res = (AliITSCalibrationSPD*)GetCalibrationModel(fDetType->GetITSgeom()->GetStartSPD());
8ba39da9 93 res->SetTemperature(0.0);
94 res->SetDistanceOverVoltage(0.0);
aacedc3e 95 } // end if
96 Init();
12e7c97c 97}
98//______________________________________________________________________
aacedc3e 99void 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()));
fcf95fc7 112 AliITSCalibrationSPD* res = (AliITSCalibrationSPD*)GetCalibrationModel(fDetType->GetITSgeom()->GetStartSPD());
8ba39da9 113 AliITSsegmentationSPD* seg = (AliITSsegmentationSPD*)GetSegmentationModel(0);
114 res->SetDistanceOverVoltage(kmictocm*seg->Dy(),50.0);
2cc6b29a 115}
116//______________________________________________________________________
117AliITSsimulationSPDdubna::~AliITSsimulationSPDdubna(){
118 // destructor
12e7c97c 119 // Inputs:
120 // none.
121 // Outputs:
122 // none.
123 // Return:
124 // none.
409f8c84 125
2cc6b29a 126 if (fHis) {
aacedc3e 127 fHis->Delete();
128 delete fHis;
2cc6b29a 129 } // end if fHis
409f8c84 130}
2cc6b29a 131//______________________________________________________________________
132AliITSsimulationSPDdubna::AliITSsimulationSPDdubna(const
133 AliITSsimulationSPDdubna
12e7c97c 134 &s) : AliITSsimulation(s){
135 // Copy Constructor
136 // Inputs:
137 // AliITSsimulationSPDdubna &s The original class for which
138 // this class is a copy of
139 // Outputs:
140 // none.
141 // Return:
142
143 *this = s;
2cc6b29a 144 return;
145}
146//______________________________________________________________________
147AliITSsimulationSPDdubna& AliITSsimulationSPDdubna::operator=(const
12e7c97c 148 AliITSsimulationSPDdubna &s){
2cc6b29a 149 // Assignment operator
12e7c97c 150 // Inputs:
151 // AliITSsimulationSPDdubna &s The original class for which
152 // this class is a copy of
153 // Outputs:
154 // none.
155 // Return:
156
157 if(&s == this) return *this;
aacedc3e 158 this->fHis = s.fHis;
159 fCoupling = s.fCoupling;
160 fSPDname = s.fSPDname;
2cc6b29a 161 return *this;
162}
163//______________________________________________________________________
5402d9ca 164AliITSsimulation& AliITSsimulationSPDdubna::operator=(const
d2f55a22 165 AliITSsimulation &s){
166 // Assignment operator
167 // Inputs:
168 // AliITSsimulationSPDdubna &s The original class for which
169 // this class is a copy of
170 // Outputs:
171 // none.
172 // Return:
173
174 if(&s == this) return *this;
175 Error("AliITSsimulationSPDdubna","Not allowed to make a = with "
176 "AliITSsimulationSPDdubna","Using default creater instead");
177
178 return *this;
179}
180//______________________________________________________________________
2cc6b29a 181void AliITSsimulationSPDdubna::InitSimulationModule(Int_t module, Int_t event){
182 // This function creates maps to build the list of tracks for each
12e7c97c 183 // summable digit. Inputs defined by base class.
2cc6b29a 184 // Inputs:
185 // Int_t module // Module number to be simulated
186 // Int_t event // Event number to be simulated
2cc6b29a 187 // Outputs:
188 // none
2cc6b29a 189 // Returns:
190 // none
409f8c84 191
f77f13c8 192 AliDebug(1,Form("(module=%d,event=%d)",module,event));
12e7c97c 193 SetModuleNumber(module);
194 SetEventNumber(event);
195 ClearMap();
2cc6b29a 196}
197//_____________________________________________________________________
aacedc3e 198void AliITSsimulationSPDdubna::SDigitiseModule(AliITSmodule *mod,Int_t,
199 Int_t event){
12e7c97c 200 // This function begins the work of creating S-Digits. Inputs defined
201 // by base class.
2cc6b29a 202 // Inputs:
203 // AliITSmodule *mod // module
aacedc3e 204 // Int_t // not used
205 // Int_t event // Event number
2cc6b29a 206 // Outputs:
207 // none
2cc6b29a 208 // Return:
209 // test // test returns kTRUE if the module contained hits
210 // // test returns kFALSE if it did not contain hits
409f8c84 211
f77f13c8 212 AliDebug(1,Form("(mod=%p, ,event=%d)",mod,event));
aacedc3e 213 if(!(mod->GetNhits())){
f77f13c8 214 AliDebug(1,Form("In event %d module %d there are %d hits returning.",
215 event, mod->GetIndex(),mod->GetNhits()));
aacedc3e 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 225void 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
f77f13c8 236 AliDebug(1,Form("Writing SDigits for module %d",GetModuleNumber()));
12e7c97c 237 GetMap()->GetMaxMapIndex(niz, nix);
238 for(iz=0; iz<niz; iz++)for(ix=0; ix<nix; ix++){
aacedc3e 239 if(GetMap()->GetSignalOnly(iz,ix)>0.0){
240 aliITS->AddSumDigit(*(GetMap()->GetpListItem(iz,ix)));
f77f13c8 241 if(AliDebugLevel()>0) {
242 AliDebug(1,Form("%d, %d",iz,ix));
243 cout << *(GetMap()->GetpListItem(iz,ix)) << endl;
aacedc3e 244 } // end if GetDebug
245 } // end if GetMap()->GetSignalOnly(iz,ix)>0.0
7d50ea21 246 } // end for iz,ix
2cc6b29a 247 return;
248}
249//______________________________________________________________________
250void AliITSsimulationSPDdubna::FinishSDigitiseModule(){
251 // This function calls SDigitsToDigits which creates Digits from SDigits
2cc6b29a 252 // Inputs:
253 // none
2cc6b29a 254 // Outputs:
255 // none
256 // Return
257 // none
409f8c84 258
f77f13c8 259 AliDebug(1,"()");
aacedc3e 260 pListToDigits(); // Charge To Signal both adds noise and
12e7c97c 261 ClearMap();
aacedc3e 262 return;
409f8c84 263}
2cc6b29a 264//______________________________________________________________________
aacedc3e 265void AliITSsimulationSPDdubna::DigitiseModule(AliITSmodule *mod,Int_t,
266 Int_t){
2cc6b29a 267 // This function creates Digits straight from the hits and then adds
268 // electronic noise to the digits before adding them to pList
12e7c97c 269 // Each of the input variables is passed along to HitToSDigit
2cc6b29a 270 // Inputs:
12e7c97c 271 // AliITSmodule *mod module
aacedc3e 272 // Int_t Dummy.
273 // Int_t Dummy
2cc6b29a 274 // Outputs:
12e7c97c 275 // none.
2cc6b29a 276 // Return:
12e7c97c 277 // none.
409f8c84 278
f77f13c8 279 AliDebug(1,Form("(mod=%p,,)",mod));
12e7c97c 280 HitToSDigit(mod);
aacedc3e 281 pListToDigits();
12e7c97c 282 ClearMap();
2cc6b29a 283}
284//______________________________________________________________________
12e7c97c 285void AliITSsimulationSPDdubna::HitToSDigit(AliITSmodule *mod){
f74211b0 286 // Does the charge distributions using Gaussian diffusion charge charing.
12e7c97c 287 // Inputs:
288 // AliITSmodule *mod Pointer to this module
289 // Output:
290 // none.
291 // Return:
292 // none.
f74211b0 293 const Double_t kmictocm = 1.0e-4; // convert microns to cm.
294 TObjArray *hits = mod->GetHits();
295 Int_t nhits = hits->GetEntriesFast();
aacedc3e 296 Int_t h,ix,iz,i;
f74211b0 297 Int_t idtrack;
298 Double_t x0=0.0,x1=0.0,y0=0.0,y1=0.0,z0=0.0,z1=0.0,de=0.0;
299 Double_t x,y,z,t,tp,st,dt=0.2,el,sig;
8ba39da9 300 AliITSsegmentationSPD* seg = (AliITSsegmentationSPD*)GetSegmentationModel(0);
fcf95fc7 301 AliITSCalibrationSPD* res = (AliITSCalibrationSPD*)GetCalibrationModel(fDetType->GetITSgeom()->GetStartSPD());
8ba39da9 302 Double_t thick = kmictocm*seg->Dy();
f74211b0 303
f77f13c8 304 AliDebug(1,Form("(mod=%p) fCoupling=%d",mod,fCoupling));
f74211b0 305 if(nhits<=0) return;
306 for(h=0;h<nhits;h++){
f77f13c8 307 if(AliDebugLevel()>0) {
308 AliDebug(1,Form("Hits, %d", h));
309 cout << *(mod->GetHit(h)) << endl;
310 } // end if GetDebug
aacedc3e 311 if(!mod->LineSegmentL(h,x0,x1,y0,y1,z0,z1,de,idtrack)) continue;
312 st = TMath::Sqrt(x1*x1+y1*y1+z1*z1);
313 if(st>0.0){
c789ee28 314 st = (Double_t)((Int_t)(st/kmictocm)); // number of microns
315 if(st<=1.0) st = 1.0;
aacedc3e 316 dt = 1.0/st;
317 for(t=0.0;t<1.0;t+=dt){ // Integrate over t
318 tp = t+0.5*dt;
319 x = x0+x1*tp;
320 y = y0+y1*tp;
321 z = z0+z1*tp;
8ba39da9 322 if(!(seg->LocalToDet(x,z,ix,iz))) continue; // outside
323 el = res->GeVToCharge((Double_t)(dt*de));
aacedc3e 324 if(GetDebug(1)){
325 if(el<=0.0) cout<<"el="<<el<<" dt="<<dt
326 <<" de="<<de<<endl;
327 } // end if GetDebug
8ba39da9 328 sig = res->SigmaDiffusion1D(thick + y);
aacedc3e 329 SpreadCharge(x,z,ix,iz,el,sig,idtrack,h);
330 } // end for t
331 } else { // st == 0.0 deposit it at this point
332 x = x0;
333 y = y0;
334 z = z0;
8ba39da9 335 if(!(seg->LocalToDet(x,z,ix,iz))) continue; // outside
336 el = res->GeVToCharge((Double_t)de);
337 sig = res->SigmaDiffusion1D(thick + y);
aacedc3e 338 SpreadCharge(x,z,ix,iz,el,sig,idtrack,h);
339 } // end if st>0.0
340 // Coupling
341 switch (fCoupling) {
342 default:
343 break;
344 case 1: case 3:
345 // x is column and z is row (see AliITSsegmentationSPD::GetPadIxz)
346 for(i=0;i<GetMap()->GetEntries();i++)
347 if(GetMap()->GetpListItem(i)==0) continue;
348 else{
349 GetMap()->GetMapIndex(
350 GetMap()->GetpListItem(i)->GetIndex(),iz,ix);
351 SetCoupling(iz,ix,idtrack,h);
352 } // end for i
353 break;
354 case 2: case 4:
355 // x is column and z is row (see AliITSsegmentationSPD::GetPadIxz)
356 for(i=0;i<GetMap()->GetEntries();i++)
357 if(GetMap()->GetpListItem(i)==0) continue;
358 else{
359 GetMap()->GetMapIndex(
360 GetMap()->GetpListItem(i)->GetIndex(),iz,ix);
361 SetCouplingOld(iz,ix,idtrack,h);
362 } // end for i
363 break;
364 } // end switch
12e7c97c 365 } // Loop over all hits h
aacedc3e 366 if(GetDebug(2))Info("HitToSDigit","Finished fCoupling=%d",fCoupling);
12e7c97c 367}
f74211b0 368//______________________________________________________________________
12e7c97c 369void AliITSsimulationSPDdubna::SpreadCharge(Double_t x0,Double_t z0,
370 Int_t ix0,Int_t iz0,
f74211b0 371 Double_t el,Double_t sig,Int_t t,
12e7c97c 372 Int_t hi){
f74211b0 373 // Spreads the charge over neighboring cells. Assume charge is distributed
374 // as charge(x,z) = (el/2*pi*sig*sig)*exp(-arg)
375 // arg=((x-x0)*(x-x0)/2*sig*sig)+((z-z0*z-z0)/2*sig*sig)
376 // Defined this way, the integral over all x and z is el.
12e7c97c 377 // Inputs:
378 // Double_t x0 x position of point where charge is liberated
379 // Double_t y0 y position of point where charge is liberated
380 // Double_t z0 z position of point where charge is liberated
381 // Int_t ix0 row of cell corresponding to point x0
382 // Int_t iz0 columb of cell corresponding to point z0
383 // Double_t el number of electrons liberated in this step
384 // Double_t sig Sigma difusion for this step (y0 dependent)
385 // Int_t t track number
386 // Int_t ti hit track index number
387 // Int_t hi hit "hit" index number
388 // Outputs:
389 // none.
390 // Return:
391 // none.
f74211b0 392 const Int_t knx = 3,knz = 2;
393 const Double_t kRoot2 = 1.414213562; // Sqrt(2).
394 const Double_t kmictocm = 1.0e-4; // convert microns to cm.
395 Int_t ix,iz,ixs,ixe,izs,ize;
396 Float_t x,z;
397 Double_t x1,x2,z1,z2,s,sp;
8ba39da9 398 AliITSsegmentationSPD* seg = (AliITSsegmentationSPD*)GetSegmentationModel(0);
399
f74211b0 400
aacedc3e 401 if(GetDebug(4)) Info("SpreadCharge","(x0=%e,z0=%e,ix0=%d,iz0=%d,el=%e,"
402 "sig=%e,t=%d,i=%d)",x0,z0,ix0,iz0,el,sig,t,hi);
403 if(sig<=0.0) { // if sig<=0 No diffusion to simulate.
404 GetMap()->AddSignal(iz0,ix0,t,hi,GetModuleNumber(),el);
405 if(GetDebug(2)){
406 cout << "sig<=0.0=" << sig << endl;
407 } // end if GetDebug
408 return;
f74211b0 409 } // end if
410 sp = 1.0/(sig*kRoot2);
aacedc3e 411 if(GetDebug(2)){
412 cout << "sig=" << sig << " sp=" << sp << endl;
413 } // end if GetDebug
f74211b0 414 ixs = TMath::Max(-knx+ix0,0);
8ba39da9 415 ixe = TMath::Min(knx+ix0,seg->Npx()-1);
f74211b0 416 izs = TMath::Max(-knz+iz0,0);
8ba39da9 417 ize = TMath::Min(knz+iz0,seg->Npz()-1);
f74211b0 418 for(ix=ixs;ix<=ixe;ix++) for(iz=izs;iz<=ize;iz++){
8ba39da9 419 seg->DetToLocal(ix,iz,x,z); // pixel center
aacedc3e 420 x1 = x;
421 z1 = z;
8ba39da9 422 x2 = x1 + 0.5*kmictocm*seg->Dpx(ix); // Upper
423 x1 -= 0.5*kmictocm*seg->Dpx(ix); // Lower
424 z2 = z1 + 0.5*kmictocm*seg->Dpz(iz); // Upper
425 z1 -= 0.5*kmictocm*seg->Dpz(iz); // Lower
aacedc3e 426 x1 -= x0; // Distance from where track traveled
427 x2 -= x0; // Distance from where track traveled
428 z1 -= z0; // Distance from where track traveled
429 z2 -= z0; // Distance from where track traveled
430 s = 0.25; // Correction based on definision of Erfc
431 s *= TMath::Erfc(sp*x1) - TMath::Erfc(sp*x2);
432 if(GetDebug(3)){
433 cout <<"el="<<el<<" ix0="<<ix0<<" ix="<<ix<<" x0="<<x<<
434 " iz0="<<iz0<<" iz="<<iz<<" z0="<<z<<
435 " sp*x1="<<sp*x1<<" sp*x2="<<sp*x2<<" s="<<s;
436 } // end if GetDebug
437 s *= TMath::Erfc(sp*z1) - TMath::Erfc(sp*z2);
438 if(GetDebug(3)){
439 cout<<" sp*z1="<<sp*z1<<" sp*z2="<<sp*z2<<" s="<<s<< endl;
440 } // end if GetDebug
441 GetMap()->AddSignal(iz,ix,t,hi,GetModuleNumber(),s*el);
f74211b0 442 } // end for ix, iz
443}
444//______________________________________________________________________
aacedc3e 445void AliITSsimulationSPDdubna::pListToDigits(){
2cc6b29a 446 // add noise and electronics, perform the zero suppression and add the
447 // digit to the list
12e7c97c 448 // Inputs:
449 // none.
450 // Outputs:
451 // none.
452 // Return:
453 // none.
f74211b0 454 static AliITS *aliITS = (AliITS*)gAlice->GetModule("ITS");
12e7c97c 455 Int_t j,ix,iz;
aacedc3e 456 Double_t electronics;
2cc6b29a 457 Double_t sig;
ee86d557 458 const Int_t nmaxtrk=AliITSdigitSPD::GetNTracks();
f74211b0 459 static AliITSdigitSPD dig;
fcf95fc7 460 AliITSCalibrationSPD* res = (AliITSCalibrationSPD*)GetCalibrationModel(fDetType->GetITSgeom()->GetStartSPD());
aacedc3e 461 if(GetDebug(1)) Info("pListToDigits","()");
12e7c97c 462 for(iz=0; iz<GetNPixelsZ(); iz++) for(ix=0; ix<GetNPixelsX(); ix++){
aacedc3e 463 // Apply Noise/Dead channals and the like
8ba39da9 464 if(res->IsPixelDead(GetModuleNumber(),ix,iz)) continue;
465 electronics = res->ApplyBaselineAndNoise();
aacedc3e 466 UpdateMapNoise(ix,iz,electronics);
467 //
468 // Apply Threshold and write Digits.
469 sig = GetMap()->GetSignalOnly(iz,ix);
470 FillHistograms(ix,iz,sig+electronics);
471 if(GetDebug(3)){
472 cout<<sig<<"+"<<electronics<<">threshold("<<ix<<","<<iz
3600eb30 473 <<")="<<GetThreshold() <<endl;
aacedc3e 474 } // end if GetDebug
3600eb30 475 if (sig+electronics <= GetThreshold()) continue;
aacedc3e 476 dig.SetCoord1(iz);
477 dig.SetCoord2(ix);
478 dig.SetSignal(1);
479 dig.SetSignalSPD((Int_t) GetMap()->GetSignal(iz,ix));
480 for(j=0;j<nmaxtrk;j++){
9881a682 481 if (j<GetMap()->GetNEntries()) {
aacedc3e 482 dig.SetTrack(j,GetMap()->GetTrack(iz,ix,j));
483 dig.SetHit(j,GetMap()->GetHit(iz,ix,j));
484 }else { // Default values
485 dig.SetTrack(j,-3);
486 dig.SetHit(j,-1);
487 } // end if GetMap()
488 } // end for j
489 if(GetDebug(3)){
490 cout<<iz<<","<<ix<<","<<*(GetMap()->GetpListItem(iz,ix))<<endl;
491 } // end if GetDebug
492 aliITS->AddSimDigit(0,&dig);
12e7c97c 493 } // for ix/iz
409f8c84 494}
2cc6b29a 495//______________________________________________________________________
496void AliITSsimulationSPDdubna::CreateHistograms(){
497 // create 1D histograms for tests
12e7c97c 498 // Inputs:
499 // none.
500 // Outputs:
501 // none.
502 // Return:
503 // none.
2cc6b29a 504
aacedc3e 505 if(GetDebug(1)) Info("CreateHistograms","create histograms");
2cc6b29a 506
aacedc3e 507 fHis = new TObjArray(GetNPixelsZ());
508 TString fSPDname("spd_");
509 for(Int_t i=0;i<GetNPixelsZ();i++) {
510 Char_t pixelz[4];
511 sprintf(pixelz,"%d",i);
512 fSPDname.Append(pixelz);
513 fHis->AddAt(new TH1F(fSPDname.Data(),"SPD maps",
514 GetNPixelsX(),0.,(Double_t)GetNPixelsX()),i);
2cc6b29a 515 } // end for i
409f8c84 516}
2cc6b29a 517//______________________________________________________________________
aacedc3e 518void AliITSsimulationSPDdubna::FillHistograms(Int_t ix,Int_t iz,Double_t v){
519 // Fill the histogram
520 // Inputs:
521 // none.
522 // Outputs:
523 // none.
524 // Return:
525 // none.
526
527 if(!GetHistArray()) return; // Only fill if setup.
528 if(GetDebug(2)) Info("FillHistograms","fill histograms");
529 GetHistogram(iz)->Fill(ix,v);
530}
531//______________________________________________________________________
2cc6b29a 532void AliITSsimulationSPDdubna::ResetHistograms(){
409f8c84 533 // Reset histograms for this detector
12e7c97c 534 // Inputs:
535 // none.
536 // Outputs:
537 // none.
538 // Return:
539 // none.
409f8c84 540
aacedc3e 541 if(!GetHistArray()) return; // Only fill if setup.
542 if(GetDebug(2)) Info("FillHistograms","fill histograms");
12e7c97c 543 for ( int i=0;i<GetNPixelsZ();i++ ) {
aacedc3e 544 if (fHis->At(i)) ((TH1F*)fHis->At(i))->Reset();
2cc6b29a 545 } // end for i
409f8c84 546}
12e7c97c 547
548//______________________________________________________________________
549void AliITSsimulationSPDdubna::SetCoupling(Int_t row, Int_t col, Int_t ntrack,
550 Int_t idhit) {
551 // Take into account the coupling between adiacent pixels.
552 // The parameters probcol and probrow are the probability of the
553 // signal in one pixel shared in the two adjacent pixels along
554 // the column and row direction, respectively.
aacedc3e 555 // Note pList is goten via GetMap() and module is not need any more.
556 // Otherwise it is identical to that coded by Tiziano Virgili (BSN).
12e7c97c 557 //Begin_Html
558 /*
559 <img src="picts/ITS/barimodel_3.gif">
560 </pre>
561 <br clear=left>
562 <font size=+2 color=red>
563 <a href="mailto:tiziano.virgili@cern.ch"></a>.
564 </font>
565 <pre>
566 */
567 //End_Html
568 // Inputs:
569 // Int_t row z cell index
570 // Int_t col x cell index
571 // Int_t ntrack track incex number
572 // Int_t idhit hit index number
12e7c97c 573 // Outputs:
574 // none.
575 // Return:
576 // none.
577 Int_t j1,j2,flag=0;
578 Double_t pulse1,pulse2;
aacedc3e 579 Double_t couplR=0.0,couplC=0.0;
12e7c97c 580 Double_t xr=0.;
12e7c97c 581
582 GetCouplings(couplR,couplC);
aacedc3e 583 if(GetDebug(3)) Info("SetCoupling","(row=%d,col=%d,ntrack=%d,idhit=%d) "
584 "Calling SetCoupling couplR=%e couplC=%e",
585 row,col,ntrack,idhit,couplR,couplC);
12e7c97c 586 j1 = row;
587 j2 = col;
aacedc3e 588 pulse1 = GetMap()->GetSignalOnly(row,col);
12e7c97c 589 pulse2 = pulse1;
590 for (Int_t isign=-1;isign<=1;isign+=2){// loop in row direction
aacedc3e 591 do{
592 j1 += isign;
593 // pulse1 *= couplR;
594 xr = gRandom->Rndm();
3600eb30 595 //if ((j1<0)||(j1>GetNPixelsZ()-1)||(pulse1<GetThreshold())){
aacedc3e 596 if ((j1<0) || (j1>GetNPixelsZ()-1) || (xr>couplR)){
597 j1 = row;
598 flag = 1;
599 }else{
600 UpdateMapSignal(col,j1,ntrack,idhit,pulse1);
601 // flag = 0;
602 flag = 1; // only first next!!
603 } // end if
604 } while(flag == 0);
605 // loop in column direction
606 do{
607 j2 += isign;
608 // pulse2 *= couplC;
609 xr = gRandom->Rndm();
3600eb30 610 //if((j2<0)||j2>(GetNPixelsX()-1)||pulse2<GetThreshold()){
aacedc3e 611 if ((j2<0) || (j2>GetNPixelsX()-1) || (xr>couplC)){
612 j2 = col;
613 flag = 1;
614 }else{
615 UpdateMapSignal(j2,row,ntrack,idhit,pulse2);
616 // flag = 0;
617 flag = 1; // only first next!!
618 } // end if
619 } while(flag == 0);
12e7c97c 620 } // for isign
621}
622//______________________________________________________________________
623void AliITSsimulationSPDdubna::SetCouplingOld(Int_t row, Int_t col,
624 Int_t ntrack,Int_t idhit) {
625 // Take into account the coupling between adiacent pixels.
626 // The parameters probcol and probrow are the fractions of the
627 // signal in one pixel shared in the two adjacent pixels along
628 // the column and row direction, respectively.
629 //Begin_Html
630 /*
631 <img src="picts/ITS/barimodel_3.gif">
632 </pre>
633 <br clear=left>
634 <font size=+2 color=red>
635 <a href="mailto:Rocco.Caliandro@ba.infn.it"></a>.
636 </font>
637 <pre>
638 */
639 //End_Html
640 // Inputs:
641 // Int_t row z cell index
642 // Int_t col x cell index
643 // Int_t ntrack track incex number
644 // Int_t idhit hit index number
645 // Int_t module module number
646 // Outputs:
647 // none.
648 // Return:
649 // none.
650 Int_t j1,j2,flag=0;
651 Double_t pulse1,pulse2;
aacedc3e 652 Double_t couplR=0.0,couplC=0.0;
12e7c97c 653
654 GetCouplings(couplR,couplC);
aacedc3e 655 if(GetDebug(3)) Info("SetCouplingOld","(row=%d,col=%d,ntrack=%d,idhit=%d) "
656 "Calling SetCoupling couplR=%e couplC=%e",
657 row,col,ntrack,idhit,couplR,couplC);
12e7c97c 658 j1 = row;
659 j2 = col;
aacedc3e 660 pulse1 = GetMap()->GetSignalOnly(row,col);
12e7c97c 661 pulse2 = pulse1;
662 for (Int_t isign=-1;isign<=1;isign+=2){// loop in row direction
aacedc3e 663 do{
664 j1 += isign;
665 pulse1 *= couplR;
3600eb30 666 if ((j1<0)||(j1>GetNPixelsZ()-1)||(pulse1<GetThreshold())){
aacedc3e 667 pulse1 = GetMap()->GetSignalOnly(row,col);
668 j1 = row;
669 flag = 1;
670 }else{
671 UpdateMapSignal(col,j1,ntrack,idhit,pulse1);
672 flag = 0;
673 } // end if
674 } while(flag == 0);
675 // loop in column direction
676 do{
677 j2 += isign;
678 pulse2 *= couplC;
3600eb30 679 if((j2<0)||(j2>(GetNPixelsX()-1))||(pulse2<GetThreshold())){
aacedc3e 680 pulse2 = GetMap()->GetSignalOnly(row,col);
681 j2 = col;
682 flag = 1;
683 }else{
684 UpdateMapSignal(j2,row,ntrack,idhit,pulse2);
685 flag = 0;
686 } // end if
687 } while(flag == 0);
12e7c97c 688 } // for isign
689}