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b0f5e3fc 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 **************************************************************************/
5c5273c2 15
88cb7938 16/* $Id$ */
b0f5e3fc 17
4ae5bbc4 18#include <Riostream.h>
b0f5e3fc 19#include <stdlib.h>
20#include <stdio.h>
29e923a3 21#include <cstring>
1ca7869b 22
ece86d9a 23#include <TCanvas.h>
24#include <TF1.h>
1ca7869b 25#include <TH1.h>
26#include <TFile.h>
e939a978 27#include <TRandom.h>
a1e17193 28#include <TROOT.h>
e8189707 29#include "AliITS.h"
e8189707 30#include "AliITSMapA2.h"
e8189707 31#include "AliITSRawData.h"
f77f13c8 32#include "AliITSdigitSPD.h"
33#include "AliITSetfSDD.h"
f77f13c8 34#include "AliITSmodule.h"
bee7f138 35#include "AliITShit.h"
f77f13c8 36#include "AliITSpList.h"
fcf95fc7 37#include "AliITSCalibrationSDD.h"
dfd6be22 38#include "AliITSresponseSDD.h"
1ca7869b 39#include "AliITSsimulationSDD.h"
f77f13c8 40#include "AliLog.h"
41#include "AliRun.h"
b0f5e3fc 42
b0f5e3fc 43ClassImp(AliITSsimulationSDD)
44////////////////////////////////////////////////////////////////////////
8ba39da9 45// Version: 0 //
46// Written by Piergiorgio Cerello //
47// November 23 1999 //
48// //
49// AliITSsimulationSDD is the simulation of SDDs. //
50////////////////////////////////////////////////////////////////////////
51
8a33ae9e 52//______________________________________________________________________
aacedc3e 53AliITSsimulationSDD::AliITSsimulationSDD():
54AliITSsimulation(),
55fITS(0),
56fHitMap2(0),
57fHitSigMap2(0),
58fHitNoiMap2(0),
aacedc3e 59fElectronics(0),
60fInZR(0),
61fInZI(0),
62fOutZR(0),
63fOutZI(0),
64fAnodeFire(0),
65fHis(0),
aacedc3e 66fFlag(kFALSE),
aacedc3e 67fCrosstalkFlag(kFALSE),
68fDoFFT(1),
69fNofMaps(0),
70fMaxNofSamples(0),
71fScaleSize(0){
72 // Default constructor
aacedc3e 73 SetPerpendTracksFlag();
74 SetCrosstalkFlag();
75 SetDoFFT();
b0f5e3fc 76}
8a33ae9e 77//______________________________________________________________________
7537d03c 78AliITSsimulationSDD::AliITSsimulationSDD(const AliITSsimulationSDD &source) :
79 AliITSsimulation(source),
80fITS(source.fITS),
81fHitMap2(source.fHitMap2),
82fHitSigMap2(source.fHitSigMap2),
83fHitNoiMap2(source.fHitNoiMap2),
7537d03c 84fElectronics(source.fElectronics),
85fInZR(source.fInZR),
86fInZI(source.fInZI),
87fOutZR(source.fOutZR),
88fOutZI(source.fOutZI),
89fAnodeFire(source.fAnodeFire),
90fHis(source.fHis),
7537d03c 91fFlag(source.fFlag),
7537d03c 92fCrosstalkFlag(source.fCrosstalkFlag),
93fDoFFT(source.fDoFFT),
94fNofMaps(source.fNofMaps),
95fMaxNofSamples(source.fMaxNofSamples),
96fScaleSize(source.fScaleSize){
aacedc3e 97 // Copy constructor to satify Coding roules only.
8a33ae9e 98
b0f5e3fc 99}
8a33ae9e 100//______________________________________________________________________
d2f55a22 101AliITSsimulationSDD& AliITSsimulationSDD::operator=(const AliITSsimulationSDD &src){
102 // Assignment operator to satify Coding roules only.
103
104 if(this==&src) return *this;
105 Error("AliITSsimulationSDD","Not allowed to make a = with "
106 "AliITSsimulationSDD Using default creater instead");
107 return *this ;
108}
85f5e9c2 109/*
d2f55a22 110//______________________________________________________________________
5402d9ca 111AliITSsimulation& AliITSsimulationSDD::operator=(const AliITSsimulation &src){
aacedc3e 112 // Assignment operator to satify Coding roules only.
8a33ae9e 113
aacedc3e 114 if(this==&src) return *this;
115 Error("AliITSsimulationSSD","Not allowed to make a = with "
116 "AliITSsimulationSDD Using default creater instead");
117 return *this ;
b0f5e3fc 118}
85f5e9c2 119*/
8a33ae9e 120//______________________________________________________________________
8ba39da9 121AliITSsimulationSDD::AliITSsimulationSDD(AliITSDetTypeSim* dettyp):
122AliITSsimulation(dettyp),
aacedc3e 123fITS(0),
124fHitMap2(0),
125fHitSigMap2(0),
126fHitNoiMap2(0),
aacedc3e 127fElectronics(0),
128fInZR(0),
129fInZI(0),
130fOutZR(0),
131fOutZI(0),
132fAnodeFire(0),
133fHis(0),
aacedc3e 134fFlag(kFALSE),
aacedc3e 135fCrosstalkFlag(kFALSE),
136fDoFFT(1),
137fNofMaps(0),
138fMaxNofSamples(0),
139fScaleSize(0){
f45f6658 140 // Default Constructor
141 Init();
c7a4dac0 142}
143//______________________________________________________________________
aacedc3e 144void AliITSsimulationSDD::Init(){
145 // Standard Constructor
146
dee45d79 147 AliITSsegmentationSDD* seg = (AliITSsegmentationSDD*)GetSegmentationModel(1);
148 fScaleSize = ScaleFourier(seg);
aacedc3e 149 SetPerpendTracksFlag();
150 SetCrosstalkFlag();
151 SetDoFFT();
aacedc3e 152
cd2a0045 153 AliITSSimuParam* simpar = fDetType->GetSimuParam();
8ba39da9 154 fpList = new AliITSpList( seg->Npz(),
155 fScaleSize*seg->Npx() );
156 fHitSigMap2 = new AliITSMapA2(seg,fScaleSize,1);
157 fHitNoiMap2 = new AliITSMapA2(seg,fScaleSize,1);
aacedc3e 158 fHitMap2 = fHitSigMap2;
159
8ba39da9 160 fNofMaps = seg->Npz();
161 fMaxNofSamples = seg->Npx();
aacedc3e 162 fAnodeFire = new Bool_t [fNofMaps];
43217ad9 163
8ba39da9 164 Float_t sddWidth = seg->Dz();
f6b6d58e 165 Float_t anodePitch = seg->Dpz(0);
166 Double_t timeStep = (Double_t)seg->Dpx(0);
aacedc3e 167
168 if(anodePitch*(fNofMaps/2) > sddWidth) {
a72dbdfe 169 AliWarning(Form("Too many anodes %d or too big pitch %f ",
170 fNofMaps/2,anodePitch));
aacedc3e 171 } // end if
b0f5e3fc 172
b0f5e3fc 173
aacedc3e 174 fElectronics = new AliITSetfSDD(timeStep/fScaleSize,
cd2a0045 175 simpar->GetSDDElectronics());
b0f5e3fc 176
aacedc3e 177
aacedc3e 178 fITS = (AliITS*)gAlice->GetModule("ITS");
20f3f947 179
aacedc3e 180 fInZR = new Double_t [fScaleSize*fMaxNofSamples];
181 fInZI = new Double_t [fScaleSize*fMaxNofSamples];
182 fOutZR = new Double_t [fScaleSize*fMaxNofSamples];
183 fOutZI = new Double_t [fScaleSize*fMaxNofSamples];
b0f5e3fc 184}
8a33ae9e 185//______________________________________________________________________
b0f5e3fc 186AliITSsimulationSDD::~AliITSsimulationSDD() {
aacedc3e 187 // destructor
188
189 // delete fpList;
190 delete fHitSigMap2;
191 delete fHitNoiMap2;
aacedc3e 192 delete fElectronics;
193
194 fITS = 0;
195
196 if (fHis) {
197 fHis->Delete();
198 delete fHis;
199 } // end if fHis
aacedc3e 200 if(fInZR) delete [] fInZR;
201 if(fInZI) delete [] fInZI;
202 if(fOutZR) delete [] fOutZR;
203 if(fOutZI) delete [] fOutZI;
204 if(fAnodeFire) delete [] fAnodeFire;
b0f5e3fc 205}
8a33ae9e 206//______________________________________________________________________
50d05d7b 207void AliITSsimulationSDD::InitSimulationModule( Int_t module, Int_t event ) {
aacedc3e 208 // create maps to build the lists of tracks for each summable digit
209 fModule = module;
210 fEvent = event;
211 ClearMaps();
212 memset(fAnodeFire,0,sizeof(Bool_t)*fNofMaps);
50d05d7b 213}
214//______________________________________________________________________
215void AliITSsimulationSDD::ClearMaps() {
aacedc3e 216 // clear maps
217 fpList->ClearMap();
218 fHitSigMap2->ClearMap();
219 fHitNoiMap2->ClearMap();
50d05d7b 220}
20f3f947 221//______________________________________________________________________
222void AliITSsimulationSDD::FastFourierTransform(Double_t *real,
223 Double_t *imag,Int_t direction) {
224 // Do a Fast Fourier Transform
225
226 Int_t samples = fElectronics->GetSamples();
227 Int_t l = (Int_t) ((log((Float_t) samples)/log(2.))+0.5);
228 Int_t m1 = samples;
229 Int_t m = samples/2;
230 Int_t m2 = samples/m1;
231 Int_t i,j,k;
232 for(i=1; i<=l; i++) {
233 for(j=0; j<samples; j += m1) {
234 Int_t p = 0;
235 for(k=j; k<= j+m-1; k++) {
236 Double_t wsr = fElectronics->GetWeightReal(p);
237 Double_t wsi = fElectronics->GetWeightImag(p);
238 if(direction == -1) wsi = -wsi;
239 Double_t xr = *(real+k+m);
240 Double_t xi = *(imag+k+m);
241 *(real+k+m) = wsr*(*(real+k)-xr) - wsi*(*(imag+k)-xi);
242 *(imag+k+m) = wsr*(*(imag+k)-xi) + wsi*(*(real+k)-xr);
243 *(real+k) += xr;
244 *(imag+k) += xi;
245 p += m2;
246 } // end for k
247 } // end for j
248 m1 = m;
249 m /= 2;
250 m2 += m2;
251 } // end for i
20f3f947 252 for(j=0; j<samples; j++) {
253 Int_t j1 = j;
254 Int_t p = 0;
255 Int_t i1;
256 for(i1=1; i1<=l; i1++) {
257 Int_t j2 = j1;
258 j1 /= 2;
259 p = p + p + j2 - j1 - j1;
260 } // end for i1
261 if(p >= j) {
262 Double_t xr = *(real+j);
263 Double_t xi = *(imag+j);
264 *(real+j) = *(real+p);
265 *(imag+j) = *(imag+p);
266 *(real+p) = xr;
267 *(imag+p) = xi;
268 } // end if p>=j
269 } // end for j
270 if(direction == -1) {
271 for(i=0; i<samples; i++) {
272 *(real+i) /= samples;
273 *(imag+i) /= samples;
274 } // end for i
275 } // end if direction == -1
276 return;
277}
278
50d05d7b 279//______________________________________________________________________
aacedc3e 280void AliITSsimulationSDD::SDigitiseModule(AliITSmodule *mod,Int_t md,Int_t ev){
281 // digitize module using the "slow" detector simulator creating
282 // summable digits.
283
284 TObjArray *fHits = mod->GetHits();
285 Int_t nhits = fHits->GetEntriesFast();
286 if( !nhits ) return;
287
288 InitSimulationModule( md, ev );
5683bd96 289 HitsToAnalogDigits( mod ); // fills fHitMap2 which is = fHitSigmap2
290 ChargeToSignal( fModule,kFALSE,kTRUE ); // - Process signal adding gain without adding noise
aacedc3e 291 fHitMap2 = fHitNoiMap2; // - Swap to noise map
5683bd96 292 ChargeToSignal( fModule,kTRUE,kFALSE ); // - Process only noise
aacedc3e 293 fHitMap2 = fHitSigMap2; // - Return to signal map
294 WriteSDigits();
295 ClearMaps();
50d05d7b 296}
297//______________________________________________________________________
aacedc3e 298Bool_t AliITSsimulationSDD::AddSDigitsToModule(TClonesArray *pItemArray,
299 Int_t mask ) {
300 // Add Summable digits to module maps.
cd2a0045 301 AliITSSimuParam* simpar = fDetType->GetSimuParam();
aacedc3e 302 Int_t nItems = pItemArray->GetEntries();
cd2a0045 303 Double_t maxadc = simpar->GetSDDMaxAdc();
aacedc3e 304 Bool_t sig = kFALSE;
48058160 305
aacedc3e 306 // cout << "Adding "<< nItems <<" SDigits to module " << fModule << endl;
307 for( Int_t i=0; i<nItems; i++ ) {
308 AliITSpListItem * pItem = (AliITSpListItem *)(pItemArray->At( i ));
309 if( pItem->GetModule() != fModule ) {
310 Error( "AliITSsimulationSDD","Error reading, SDigits module "
311 "%d != current module %d: exit",
312 pItem->GetModule(), fModule );
313 return sig;
314 } // end if
315
316 if(pItem->GetSignal()>0.0 ) sig = kTRUE;
43217ad9 317
aacedc3e 318 fpList->AddItemTo( mask, pItem ); // Add SignalAfterElect + noise
319 AliITSpListItem * pItem2 = fpList->GetpListItem( pItem->GetIndex() );
320 Double_t sigAE = pItem2->GetSignalAfterElect();
321 if( sigAE >= maxadc ) sigAE = maxadc-1; // avoid overflow signal
322 Int_t ia;
323 Int_t it;
324 fpList->GetMapIndex( pItem->GetIndex(), ia, it );
325 fHitMap2->SetHit( ia, it, sigAE );
326 fAnodeFire[ia] = kTRUE;
327 }
328 return sig;
48058160 329}
50d05d7b 330//______________________________________________________________________
331void AliITSsimulationSDD::FinishSDigitiseModule() {
aacedc3e 332 // digitize module using the "slow" detector simulator from
333 // the sum of summable digits.
334 FinishDigits() ;
335 ClearMaps();
c7a4dac0 336}
337//______________________________________________________________________
b0f5e3fc 338void AliITSsimulationSDD::DigitiseModule(AliITSmodule *mod,Int_t md,Int_t ev){
aacedc3e 339 // create maps to build the lists of tracks for each digit
b0f5e3fc 340
aacedc3e 341 TObjArray *fHits = mod->GetHits();
342 Int_t nhits = fHits->GetEntriesFast();
8a33ae9e 343
aacedc3e 344 InitSimulationModule( md, ev );
20f3f947 345 if( !nhits ) return;
48058160 346
aacedc3e 347 HitsToAnalogDigits( mod );
5683bd96 348 ChargeToSignal( fModule,kTRUE,kTRUE ); // process signal + noise
aacedc3e 349
350 for( Int_t i=0; i<fNofMaps; i++ ) {
351 for( Int_t j=0; j<fMaxNofSamples; j++ ) {
352 Int_t jdx = j*fScaleSize;
353 Int_t index = fpList->GetHitIndex( i, j );
354 AliITSpListItem pItemTmp2( fModule, index, 0. );
355 // put the fScaleSize analog digits in only one
356 for( Int_t ik=0; ik<fScaleSize; ik++ ) {
357 AliITSpListItem *pItemTmp = fpList->GetpListItem( i, jdx+ik );
358 if( pItemTmp == 0 ) continue;
359 pItemTmp2.Add( pItemTmp );
360 }
361 fpList->DeleteHit( i, j );
362 fpList->AddItemTo( 0, &pItemTmp2 );
363 }
48058160 364 }
aacedc3e 365 FinishDigits();
366 ClearMaps();
c7a4dac0 367}
368//______________________________________________________________________
50d05d7b 369void AliITSsimulationSDD::FinishDigits() {
aacedc3e 370 // introduce the electronics effects and do zero-suppression if required
8a33ae9e 371
8ba39da9 372 if( fCrosstalkFlag ) ApplyCrosstalk(fModule);
50d05d7b 373
f45f6658 374 AliITSCalibrationSDD* res = (AliITSCalibrationSDD*)GetCalibrationModel(fModule);
253e68a0 375 Bool_t isZeroSupp = res->GetZeroSupp();
376 if (isZeroSupp) Compress2D();
20f3f947 377 else StoreAllDigits();
c7a4dac0 378}
379//______________________________________________________________________
50d05d7b 380void AliITSsimulationSDD::HitsToAnalogDigits( AliITSmodule *mod ) {
aacedc3e 381 // create maps to build the lists of tracks for each digit
8ba39da9 382 AliITSsegmentationSDD* seg = (AliITSsegmentationSDD*)GetSegmentationModel(1);
f45f6658 383 AliITSCalibrationSDD* res = (AliITSCalibrationSDD*)GetCalibrationModel(fModule);
cd2a0045 384 AliITSSimuParam* simpar = fDetType->GetSimuParam();
8ba39da9 385 TObjArray *hits = mod->GetHits();
bee7f138 386 Int_t nhits = hits->GetEntriesFast();
387
388 // Int_t arg[6] = {0,0,0,0,0,0};
389 Int_t nofAnodes = fNofMaps/2;
390 Double_t sddLength = seg->Dx();
bee7f138 391 Double_t anodePitch = seg->Dpz(0);
392 Double_t timeStep = seg->Dpx(0);
393 Double_t driftSpeed ; // drift velocity (anode dependent)
394 Double_t nanoampToADC = simpar->GetSDDMaxAdc()/simpar->GetSDDDynamicRange(); // maxadc/topValue;
395 Double_t cHloss = simpar->GetSDDChargeLoss();
396 Float_t dfCoeff, s1;
397 simpar->GetSDDDiffCoeff(dfCoeff,s1); // Signal 2d Shape
398 Double_t eVpairs = simpar->GetGeVToCharge()*1.0E9; // 3.6 eV by def.
399 Double_t nsigma = simpar->GetNSigmaIntegration(); //
400 Int_t nlookups = simpar->GetGausNLookUp(); //
401 Float_t jitter = simpar->GetSDDJitterError(); //
374200ee 402 Float_t mapsmear = simpar->GetSDDCorrMapPrecision(); //
dfd6be22 403 Float_t trigDelay = simpar->GetSDDTrigDelay(); // compensation for MC time zero
19dcb509 404 if(res->IsAMAt20MHz()) trigDelay+=12.5; // compensation for discretization step
374200ee 405
dfd6be22 406 Float_t timeZero=fDetType->GetResponseSDD()->GetTimeZero(fModule);
374200ee 407 Float_t adcscale = fDetType->GetResponseSDD()->GetADCtokeV(fModule);
408 adcscale/=simpar->GetSDDkeVtoADC();
417ff3f4 409
bee7f138 410 // Piergiorgio's part (apart for few variables which I made float
411 // when i thought that can be done
412 // Fill detector maps with GEANT hits
413 // loop over hits in the module
414
415 const Float_t kconv = 1.0e+6; // GeV->KeV
416 Int_t itrack = 0;
417 Int_t iWing; // which detector wing/side.
418 Int_t ii,kk,ka,kt; // loop indexs
419 Int_t ia,it,index; // sub-pixel integration indexies
420 Int_t iAnode; // anode number.
421 Int_t timeSample; // time buckett.
422 Int_t anodeWindow; // anode direction charge integration width
423 Int_t timeWindow; // time direction charge integration width
424 Int_t jamin,jamax; // anode charge integration window
425 Int_t jtmin,jtmax; // time charge integration window
426 Int_t nsplitAn; // the number of splits in anode and time windows
427 Int_t nsplitTb; // the number of splits in anode and time windows
428 Int_t nOfSplits; // number of times track length is split into
429 Float_t nOfSplitsF; // Floating point version of nOfSplits.
430 Float_t kkF; // Floating point version of loop index kk.
431 Double_t pathInSDD; // Track length in SDD.
432 Double_t drPath; // average position of track in detector. in microns
433 Double_t drTime; // Drift time
434 Double_t avDrft; // x position of path length segment in cm.
435 Double_t avAnode; // Anode for path length segment in Anode number (float)
436 Double_t zAnode; // Floating point anode number.
437 Double_t driftPath; // avDrft in microns.
438 Double_t width; // width of signal at anodes.
439 Double_t depEnergy; // Energy deposited in this GEANT step.
440 Double_t xL[3],dxL[3]; // local hit coordinates and diff.
441 Double_t sigA; // sigma of signal at anode.
442 Double_t sigT; // sigma in time/drift direction for track segment
443 Double_t aStep,aConst; // sub-pixel size and offset anode
444 Double_t tStep,tConst; // sub-pixel size and offset time
445 Double_t amplitude; // signal amplitude for track segment in nanoAmpere
446 Double_t chargeloss; // charge loss for track segment.
447 Double_t anodeAmplitude; // signal amplitude in anode direction
448 Double_t aExpo; // exponent of Gaussian anode direction
449 Double_t timeAmplitude; // signal amplitude in time direction
450 Double_t tExpo; // exponent of Gaussian time direction
451 Double_t tof; // Time of flight in ns of this step.
452
453 for(ii=0; ii<nhits; ii++) {
454 if(!mod->LineSegmentL(ii,xL[0],dxL[0],xL[1],dxL[1],xL[2],dxL[2],
455 depEnergy,itrack)) continue;
456 Float_t xloc=xL[0];
457 if(xloc>0) iWing=0; // left side, carlos channel 0
458 else iWing=1; // right side
cd2a0045 459
bee7f138 460 Float_t zloc=xL[2]+0.5*dxL[2];
461 zAnode=seg->GetAnodeFromLocal(xloc,zloc); // anode number in the range 0.-511.
462 driftSpeed = res->GetDriftSpeedAtAnode(zAnode);
374200ee 463 driftSpeed+= fDetType->GetResponseSDD()->GetDeltaVDrift(fModule,zAnode>255);
464
bee7f138 465 if(timeStep*fMaxNofSamples < sddLength/driftSpeed) {
a72dbdfe 466 AliWarning("Time Interval > Allowed Time Interval");
bee7f138 467 }
468 depEnergy *= kconv;
469 if (!depEnergy) {
470 AliDebug(1,
471 Form("fTrack = %d hit=%d module=%d This particle has passed without losing energy!",
472 itrack,ii,mod->GetIndex()));
473 continue;
f6b6d58e 474 // continue if the particle did not lose energy
475 // passing through detector
bee7f138 476 } // end if !depEnergy
477
478 tof=0.;
479 AliITShit* h=(AliITShit*)hits->At(ii);
2c4e6a6a 480 if(h){
481 tof=h->GetTOF()*1E9;
482 AliDebug(1,Form("TOF for hit %d on mod %d (particle %d)=%g",ii,fModule,h->Track(),tof));
483 }
484
374200ee 485 Float_t corrx=0, corrz=0;
486 res->GetShiftsForSimulation(xL[2],xL[0],corrz,corrx,seg);
487 xL[2]-=corrz;
488 xL[0]-=corrx;
489 xL[0] += 0.0001*gRandom->Gaus( 0, mapsmear); //
bee7f138 490 xL[0] += 0.0001*gRandom->Gaus( 0, jitter ); //
374200ee 491
bee7f138 492 pathInSDD = TMath::Sqrt(dxL[0]*dxL[0]+dxL[1]*dxL[1]+dxL[2]*dxL[2]);
493
494 if (fFlag && pathInSDD) { depEnergy *= (0.03/pathInSDD); }
495 drPath = TMath::Abs(10000.*(dxL[0]+2.*xL[0])*0.5);
496 drPath = sddLength-drPath;
497 if(drPath < 0) {
374200ee 498 AliInfo( // this should be fixed at geometry level
bee7f138 499 Form("negative drift path drPath=%e sddLength=%e dxL[0]=%e xL[0]=%e",
500 drPath,sddLength,dxL[0],xL[0]));
501 continue;
502 } // end if drPath < 0
503
504 // Compute number of segments to brake step path into
505 drTime = drPath/driftSpeed; // Drift Time
506 sigA = TMath::Sqrt(2.*dfCoeff*drTime+s1*s1);// Sigma along the anodes
507 // calcuate the number of time the path length should be split into.
508 nOfSplits = (Int_t) (1. + 10000.*pathInSDD/sigA);
509 if(fFlag) nOfSplits = 1;
510
511 // loop over path segments, init. some variables.
512 depEnergy /= nOfSplits;
513 nOfSplitsF = (Float_t) nOfSplits;
514 Float_t theAverage=0.,theSteps=0.;
515 for(kk=0;kk<nOfSplits;kk++) { // loop over path segments
516 kkF = (Float_t) kk + 0.5;
517 avDrft = xL[0]+dxL[0]*kkF/nOfSplitsF;
518 avAnode = xL[2]+dxL[2]*kkF/nOfSplitsF;
519 theSteps+=1.;
520 theAverage+=avAnode;
521 zAnode = seg->GetAnodeFromLocal(avDrft,avAnode);
522 driftSpeed = res->GetDriftSpeedAtAnode(zAnode);
374200ee 523 driftSpeed+= fDetType->GetResponseSDD()->GetDeltaVDrift(fModule,zAnode>255);
bee7f138 524 driftPath = TMath::Abs(10000.*avDrft);
525 driftPath = sddLength-driftPath;
526 if(driftPath < 0) {
f6b6d58e 527 AliDebug(1, // this should be fixed at geometry level
bee7f138 528 Form("negative drift path driftPath=%e sddLength=%e avDrft=%e dxL[0]=%e xL[0]=%e",
529 driftPath,sddLength,avDrft,dxL[0],xL[0]));
530 continue;
531 } // end if driftPath < 0
532 drTime = driftPath/driftSpeed; // drift time for segment.
533 // Sigma along the anodes for track segment.
534 sigA = TMath::Sqrt(2.*dfCoeff*drTime+s1*s1);
535 sigT = sigA/driftSpeed;
536
537 drTime+=tof; // take into account Time Of Flight from production point
dfd6be22 538 drTime-=trigDelay;
539 drTime+=timeZero;
a72dbdfe 540 timeSample = (Int_t) (fScaleSize*drTime/timeStep + 1.001); // time bin in range 1-256 !!!
bee7f138 541 if(zAnode>nofAnodes) zAnode-=nofAnodes; // to have the anode number between 0. and 256.
a72dbdfe 542 iAnode = (Int_t) (1.001+zAnode); // iAnode in range 1-256 !!!!
bee7f138 543
f6b6d58e 544 // Peak amplitude in nanoAmpere
bee7f138 545 amplitude = fScaleSize*160.*depEnergy/
546 (timeStep*eVpairs*2.*acos(-1.));
547 chargeloss = 1.-cHloss*driftPath/1000.;
548 amplitude *= chargeloss;
374200ee 549 amplitude *= adcscale;
bee7f138 550 width = 2.*nsigma/(nlookups-1);
551 // Spread the charge
552 nsplitAn = 4;
553 nsplitTb=4;
554 aStep = anodePitch/(nsplitAn*sigA);
555 aConst = zAnode*anodePitch/sigA;
556 tStep = timeStep/(nsplitTb*fScaleSize*sigT);
557 tConst = drTime/sigT;
558 // Define SDD window corresponding to the hit
559 anodeWindow = (Int_t)(nsigma*sigA/anodePitch+1);
560 timeWindow = (Int_t) (fScaleSize*nsigma*sigT/timeStep+1.);
561 jamin = (iAnode - anodeWindow - 2)*nsplitAn+1;
bee7f138 562 if(jamin <= 0) jamin = 1;
a72dbdfe 563 if(jamin > nofAnodes*nsplitAn){
564 AliDebug(1,Form("Energy deposition completely outside anode acceptance: anode min=%d",jamin));
565 continue;
566 }
567 jamax = (iAnode + anodeWindow + 2)*nsplitAn;
568 if(jamax > nofAnodes*nsplitAn) jamax = nofAnodes*nsplitAn;
569 if(jamax <=0){
570 AliDebug(1,Form("Energy deposition completely outside anode acceptance: anode max=%d",jamax));
571 continue;
572 }
bee7f138 573 jtmin = (Int_t)(timeSample-timeWindow-2)*nsplitTb+1;
bee7f138 574 if(jtmin <= 0) jtmin = 1;
a72dbdfe 575 if(jtmin > fScaleSize*fMaxNofSamples*nsplitTb){
576 AliDebug(1,Form("Energy deposition completely outside time acceptance: time sample min=%d tof=%f",jtmin,tof));
577 continue;
578 }
579 jtmax = (Int_t)(timeSample+timeWindow+2)*nsplitTb;
580 if(jtmax > fScaleSize*fMaxNofSamples*nsplitTb) jtmax = fScaleSize*fMaxNofSamples*nsplitTb;
581 if(jtmax <= 0){
582 AliDebug(1,Form("Energy deposition completely outside time acceptance: time sample max=%d tof=%f",jtmax,tof));
583 continue;
584 }
585
bee7f138 586 // Spread the charge in the anode-time window
587 for(ka=jamin; ka <=jamax; ka++) {
588 ia = (ka-1)/nsplitAn + 1;
589 if(ia <= 0) ia=1;
590 if(ia > nofAnodes) ia = nofAnodes;
591 aExpo = (aStep*(ka-0.5)-aConst);
592 if(TMath::Abs(aExpo) > nsigma) anodeAmplitude = 0.;
593 else {
594 Int_t theBin = (Int_t) ((aExpo+nsigma)/width+0.5);
595 anodeAmplitude = amplitude*simpar->GetGausLookUp(theBin);
596 }
597 // index starts from 0
598 index = iWing*nofAnodes+ia-1;
599 if(anodeAmplitude){
600 for(kt=jtmin; kt<=jtmax; kt++) {
601 it = (kt-1)/nsplitTb+1; // it starts from 1
602 if(it<=0) it=1;
603 if(it>fScaleSize*fMaxNofSamples)
604 it = fScaleSize*fMaxNofSamples;
605 tExpo = (tStep*(kt-0.5)-tConst);
606 if(TMath::Abs(tExpo) > nsigma) timeAmplitude = 0.;
607 else {
608 Int_t theBin = (Int_t) ((tExpo+nsigma)/width+0.5);
609 timeAmplitude = anodeAmplitude*simpar->GetGausLookUp(theBin)*aStep*tStep;
610 }
611 timeAmplitude *= nanoampToADC;
612 // ListOfFiredCells(arg,timeAmplitude,alst,padr);
613 Double_t charge = timeAmplitude;
614 charge += fHitMap2->GetSignal(index,it-1);
615 fHitMap2->SetHit(index, it-1, charge);
616 fpList->AddSignal(index,it-1,itrack,ii-1,
617 mod->GetIndex(),timeAmplitude);
618 fAnodeFire[index] = kTRUE;
619 } // end loop over time in window
620 } // end if anodeAmplitude
621 } // loop over anodes in window
622 } // end loop over "sub-hits"
623 } // end loop over hits
b0f5e3fc 624}
aacedc3e 625
b0f5e3fc 626//____________________________________________
83ec5e27 627void AliITSsimulationSDD::AddDigit( Int_t i, Int_t j, Int_t signalc, Int_t signale) {
20f3f947 628 // Adds a Digit.
629 Int_t size = AliITSdigit::GetNTracks();
630
631 Int_t digits[3];
632 Int_t * tracks = new Int_t[size];
633 Int_t * hits = new Int_t[size];
634 Float_t phys;
635 Float_t * charges = new Float_t[size];
636
637 digits[0] = i;
638 digits[1] = j;
83ec5e27 639 digits[2] = signalc;
20f3f947 640
641 AliITSpListItem *pItem = fpList->GetpListItem( i, j );
642 if( pItem == 0 ) {
643 phys = 0.0;
644 for( Int_t l=0; l<size; l++ ) {
645 tracks[l] = 0;
646 hits[l] = 0;
647 charges[l] = 0.0;
50d05d7b 648 }
20f3f947 649 } else {
650 Int_t idtrack = pItem->GetTrack( 0 );
651 if( idtrack >= 0 ) phys = pItem->GetSignal();
652 else phys = 0.0;
653
654 for( Int_t l=0; l<size; l++ ) if(l<pItem->GetMaxKept()) {
655 tracks[l] = pItem->GetTrack( l );
656 hits[l] = pItem->GetHit( l );
657 charges[l] = pItem->GetSignal( l );
658 }else{
659 tracks[l] = -3;
660 hits[l] = -1;
661 charges[l] = 0.0;
662 }// end for if
663 }
50d05d7b 664
83ec5e27 665 fITS->AddSimDigit( 1, phys, digits, tracks, hits, charges, signale );
20f3f947 666 delete [] tracks;
667 delete [] hits;
668 delete [] charges;
aacedc3e 669}
8a33ae9e 670//______________________________________________________________________
5683bd96 671void AliITSsimulationSDD::ChargeToSignal(Int_t mod,Bool_t bAddNoise, Bool_t bAddGain) {
672 // add baseline, noise, gain, electronics and ADC saturation effects
673 // apply dead channels
674
5683bd96 675 AliITSCalibrationSDD* res = (AliITSCalibrationSDD*)GetCalibrationModel(mod);
5683bd96 676 Double_t baseline=0;
677 Double_t noise=0;
678 Double_t gain=0;
679 Float_t contrib=0;
680 Int_t i,k,kk;
cd2a0045 681 AliITSSimuParam* simpar = fDetType->GetSimuParam();
682 Float_t maxadc = simpar->GetSDDMaxAdc();
aebba721 683 Int_t nGroup=fScaleSize;
684 if(res->IsAMAt20MHz()){
685 nGroup=fScaleSize/2;
686 }
5683bd96 687
688 for (i=0;i<fNofMaps;i++) {
689 if( !fAnodeFire[i] ) continue;
690 baseline = res->GetBaseline(i);
691 noise = res->GetNoise(i);
cf8425ac 692 gain = res->GetChannelGain(i)/fDetType->GetAverageGainSDD();
eefec958 693 if(res->IsBad()) gain=0.;
13a2b50d 694 if( res->IsChipBad(res->GetChip(i)) )gain=0.;
5683bd96 695 for(k=0; k<fScaleSize*fMaxNofSamples; k++) {
696 fInZR[k] = fHitMap2->GetSignal(i,k);
697 if(bAddGain) fInZR[k]*=gain;
698 if( bAddNoise ) {
699 contrib = (baseline + noise*gRandom->Gaus());
700 fInZR[k] += contrib;
701 }
702 fInZI[k] = 0.;
703 } // end for k
b27af87f 704 if(!fDoFFT) {
5683bd96 705 for(k=0; k<fMaxNofSamples; k++) {
706 Double_t newcont = 0.;
707 Double_t maxcont = 0.;
708 for(kk=0;kk<fScaleSize;kk++) {
709 newcont = fInZR[fScaleSize*k+kk];
710 if(newcont > maxcont) maxcont = newcont;
711 } // end for kk
712 newcont = maxcont;
713 if (newcont >= maxadc) newcont = maxadc -1;
714 if(newcont >= baseline){
a5a317a9 715 Warning("","newcont=%f>=baseline=%f",newcont,baseline);
5683bd96 716 } // end if
717 // back to analog: ?
718 fHitMap2->SetHit(i,k,newcont);
719 } // end for k
720 }else{
20f3f947 721 FastFourierTransform(&fInZR[0],&fInZI[0],1);
5683bd96 722 for(k=0; k<fScaleSize*fMaxNofSamples; k++) {
723 Double_t rw = fElectronics->GetTraFunReal(k);
724 Double_t iw = fElectronics->GetTraFunImag(k);
725 fOutZR[k] = fInZR[k]*rw - fInZI[k]*iw;
726 fOutZI[k] = fInZR[k]*iw + fInZI[k]*rw;
727 } // end for k
20f3f947 728 FastFourierTransform(&fOutZR[0],&fOutZI[0],-1);
5683bd96 729 for(k=0; k<fMaxNofSamples; k++) {
730 Double_t newcont1 = 0.;
731 Double_t maxcont1 = 0.;
aebba721 732 for(kk=0;kk<nGroup;kk++) {
5683bd96 733 newcont1 = fOutZR[fScaleSize*k+kk];
734 if(newcont1 > maxcont1) maxcont1 = newcont1;
735 } // end for kk
736 newcont1 = maxcont1;
737 if (newcont1 >= maxadc) newcont1 = maxadc -1;
738 fHitMap2->SetHit(i,k,newcont1);
739 } // end for k
740 }
741 } // end for i loop over anodes
742 return;
50d05d7b 743}
5683bd96 744
50d05d7b 745//______________________________________________________________________
8ba39da9 746void AliITSsimulationSDD::ApplyCrosstalk(Int_t mod) {
aacedc3e 747 // function add the crosstalk effect to signal
748 // temporal function, should be checked...!!!
8ba39da9 749
aacedc3e 750 // create and inizialice crosstalk map
751 Float_t* ctk = new Float_t[fNofMaps*fMaxNofSamples+1];
aacedc3e 752 memset( ctk, 0, sizeof(Float_t)*(fNofMaps*fMaxNofSamples+1) );
f45f6658 753 AliITSCalibrationSDD* calibr = (AliITSCalibrationSDD*)GetCalibrationModel(mod);
aacedc3e 754 for( Int_t z=0; z<fNofMaps; z++ ) {
f45f6658 755 Double_t baseline = calibr->GetBaseline(z);
aacedc3e 756 Bool_t on = kFALSE;
757 Int_t tstart = 0;
758 Int_t tstop = 0;
759 Int_t nTsteps = 0;
50d05d7b 760
aacedc3e 761 for( Int_t l=0; l<fMaxNofSamples; l++ ) {
762 Float_t fadc = (Float_t)fHitMap2->GetSignal( z, l );
763 if( fadc > baseline ) {
764 if( on == kFALSE && l<fMaxNofSamples-4 ) {
765 Float_t fadc1 = (Float_t)fHitMap2->GetSignal( z, l+1 );
766 if( fadc1 < fadc ) continue;
767 on = kTRUE;
768 nTsteps = 0;
769 tstart = l;
770 }
771 nTsteps++;
772 }
773 else { // end fadc > baseline
774 if( on == kTRUE ) {
775 if( nTsteps > 2 ) {
776 tstop = l;
777 // make smooth derivative
778 Float_t* dev = new Float_t[fMaxNofSamples+1];
779 memset( dev, 0, sizeof(Float_t)*(fMaxNofSamples+1) );
aacedc3e 780 for( Int_t i=tstart; i<tstop; i++ ) {
781 if( i > 2 && i < fMaxNofSamples-2 )
782 dev[i] = -0.2*fHitMap2->GetSignal( z,i-2 )
783 -0.1*fHitMap2->GetSignal( z,i-1 )
784 +0.1*fHitMap2->GetSignal( z,i+1 )
785 +0.2*fHitMap2->GetSignal( z,i+2 );
786 }
50d05d7b 787
aacedc3e 788 // add crosstalk contribution to neibourg anodes
789 for( Int_t i=tstart; i<tstop; i++ ) {
790 Int_t anode = z - 1;
791 Int_t i1 = (Int_t)((i-tstart)*.61+tstart+0.5); //
792 Float_t ctktmp = -dev[i1] * 0.25;
793 if( anode > 0 ) {
794 ctk[anode*fMaxNofSamples+i] += ctktmp;
795 }
796 anode = z + 1;
797 if( anode < fNofMaps ) {
798 ctk[anode*fMaxNofSamples+i] += ctktmp;
799 }
800 }
801 delete [] dev;
50d05d7b 802
aacedc3e 803 } // if( nTsteps > 2 )
804 on = kFALSE;
805 } // if( on == kTRUE )
806 } // else
807 }
3d2c9d72 808 }
50d05d7b 809
aacedc3e 810 for( Int_t a=0; a<fNofMaps; a++ )
811 for( Int_t t=0; t<fMaxNofSamples; t++ ) {
812 Float_t signal = fHitMap2->GetSignal(a,t)+ctk[a*fMaxNofSamples+t];
813 fHitMap2->SetHit( a, t, signal );
814 }
815
816 delete [] ctk;
50d05d7b 817}
f45f6658 818
8a33ae9e 819//______________________________________________________________________
820Int_t AliITSsimulationSDD::Convert10to8(Int_t signal) const {
aacedc3e 821 // To the 10 to 8 bit lossive compression.
822 // code from Davide C. and Albert W.
823
824 if (signal < 128) return signal;
825 if (signal < 256) return (128+((signal-128)>>1));
826 if (signal < 512) return (192+((signal-256)>>3));
827 if (signal < 1024) return (224+((signal-512)>>4));
828 return 0;
b0f5e3fc 829}
8a33ae9e 830//______________________________________________________________________
83ec5e27 831Int_t AliITSsimulationSDD::Convert8to10(Int_t signal) const {
832 // Decompression from 8 to 10 bit
833
834 if (signal < 0 || signal > 255) {
835 AliWarning(Form("Signal value %d out of range",signal));
836 return 0;
837 } // end if signal <0 || signal >255
838
839 if (signal < 128) return signal;
840 if (signal < 192) {
841 if (TMath::Odd(signal)) return (128+((signal-128)<<1));
842 else return (128+((signal-128)<<1)+1);
843 } // end if signal < 192
844 if (signal < 224) {
845 if (TMath::Odd(signal)) return (256+((signal-192)<<3)+3);
846 else return (256+((signal-192)<<3)+4);
847 } // end if signal < 224
848 if (TMath::Odd(signal)) return (512+((signal-224)<<4)+7);
849 return (512+((signal-224)<<4)+8);
850}
851//______________________________________________________________________
b0f5e3fc 852void AliITSsimulationSDD::Compress2D(){
20f3f947 853 // 2D zero-suppression algorithm as described in ALICE-INT-1999-28 V10
854 AliITSCalibrationSDD* res = (AliITSCalibrationSDD*)GetCalibrationModel(fModule);
20f3f947 855 for (Int_t iWing=0; iWing<2; iWing++) {
856 Int_t tL=res->GetZSLowThreshold(iWing);
857 Int_t tH=res->GetZSHighThreshold(iWing);
858 for (Int_t i=0; i<fNofMaps/2; i++) {
859 Int_t ian=i+iWing*fNofMaps/2;
860 if( !fAnodeFire[ian] ) continue;
861 for (Int_t itb=0; itb<fMaxNofSamples; itb++) {
8343dab6 862 Int_t nLow=0, nHigh=0;
20f3f947 863 Float_t cC=fHitMap2->GetSignal(ian,itb);
864 if(cC<=tL) continue;
8343dab6 865 nLow++; // cC is greater than tL
866 if(cC>tH) nHigh++;
20f3f947 867 // N
868 // Get "quintuple": WCE
869 // S
870 Float_t wW=0.;
871 if(itb>0) wW=fHitMap2->GetSignal(ian,itb-1);
8343dab6 872 if(wW>tL) nLow++;
873 if(wW>tH) nHigh++;
20f3f947 874 Float_t eE=0.;
875 if(itb<fMaxNofSamples-1) eE=fHitMap2->GetSignal(ian,itb+1);
8343dab6 876 if(eE>tL) nLow++;
877 if(eE>tH) nHigh++;
20f3f947 878 Float_t nN=0.;
879 if(i<(fNofMaps/2-1)) nN=fHitMap2->GetSignal(ian+1,itb);
8343dab6 880 if(nN>tL) nLow++;
881 if(nN>tH) nHigh++;
20f3f947 882 Float_t sS=0.;
883 if(i>0) sS=fHitMap2->GetSignal(ian-1,itb);
8343dab6 884 if(sS>tL) nLow++;
885 if(sS>tH) nHigh++;
886
ad98389f 887 if(nLow>=2 && nHigh>=1){
83ec5e27 888 Int_t signal=(Int_t)cC;
889 Int_t signalc = Convert10to8(signal);
890 Int_t signale = Convert8to10(signalc);
891 signalc-=tL; // subtract low threshold after 10 to 8 bit compression
e55354a4 892 if(signalc>=4) AddDigit(ian,itb,signalc,signale); // store C
20f3f947 893 }
894 }
895 }
896 }
b0f5e3fc 897}
8ba39da9 898
aacedc3e 899
8a33ae9e 900//______________________________________________________________________
b0f5e3fc 901void AliITSsimulationSDD::StoreAllDigits(){
fa4f0f62 902 // store digits for non-zero-suppressed data
903 for (Int_t ian=0; ian<fNofMaps; ian++) {
904 for (Int_t itb=0; itb<fMaxNofSamples; itb++){
905 Int_t signal=(Int_t)(fHitMap2->GetSignal(ian,itb));
906 Int_t signalc = Convert10to8(signal);
907 Int_t signale = Convert8to10(signalc);
908 AddDigit(ian,itb,signalc,signale);
909 }
910 }
b0f5e3fc 911}
8a33ae9e 912//______________________________________________________________________
ece86d9a 913void AliITSsimulationSDD::CreateHistograms(Int_t scale){
2c4e6a6a 914 // Creates histograms of maps for debugging
915 Int_t i;
916
917 fHis=new TObjArray(fNofMaps);
918 for (i=0;i<fNofMaps;i++) {
919 TString sddName;
920 sddName.Form("sdd_%d",i+1);
921 fHis->AddAt(new TH1F(sddName.Data(),"SDD maps",scale*fMaxNofSamples,
922 0.,(Float_t) scale*fMaxNofSamples), i);
923 } // end for i
b0f5e3fc 924}
8a33ae9e 925//______________________________________________________________________
ece86d9a 926void AliITSsimulationSDD::FillHistograms(){
aacedc3e 927 // fill 1D histograms from map
8a33ae9e 928
aacedc3e 929 if (!fHis) return;
8a33ae9e 930
aacedc3e 931 for( Int_t i=0; i<fNofMaps; i++) {
932 TH1F *hist =(TH1F *)fHis->UncheckedAt(i);
933 Int_t nsamples = hist->GetNbinsX();
934 for( Int_t j=0; j<nsamples; j++) {
935 Double_t signal=fHitMap2->GetSignal(i,j);
936 hist->Fill((Float_t)j,signal);
937 } // end for j
938 } // end for i
ece86d9a 939}
8a33ae9e 940//______________________________________________________________________
b0f5e3fc 941void AliITSsimulationSDD::ResetHistograms(){
aacedc3e 942 // Reset histograms for this detector
943 Int_t i;
8a33ae9e 944
aacedc3e 945 for (i=0;i<fNofMaps;i++ ) {
946 if (fHis->At(i)) ((TH1F*)fHis->At(i))->Reset();
947 } // end for i
b0f5e3fc 948}
8a33ae9e 949//______________________________________________________________________
b0f5e3fc 950TH1F *AliITSsimulationSDD::GetAnode(Int_t wing, Int_t anode) {
aacedc3e 951 // Fills a histogram from a give anode.
8a33ae9e 952
aacedc3e 953 if (!fHis) return 0;
8a33ae9e 954
aacedc3e 955 if(wing <=0 || wing > 2) {
956 Warning("GetAnode","Wrong wing number: %d",wing);
957 return NULL;
958 } // end if wing <=0 || wing >2
959 if(anode <=0 || anode > fNofMaps/2) {
960 Warning("GetAnode","Wrong anode number: %d",anode);
961 return NULL;
962 } // end if ampde <=0 || andoe > fNofMaps/2
8a33ae9e 963
aacedc3e 964 Int_t index = (wing-1)*fNofMaps/2 + anode-1;
965 return (TH1F*)(fHis->At(index));
b0f5e3fc 966}
8a33ae9e 967//______________________________________________________________________
b0f5e3fc 968void AliITSsimulationSDD::WriteToFile(TFile *hfile) {
aacedc3e 969 // Writes the histograms to a file
b0f5e3fc 970
aacedc3e 971 if (!fHis) return;
8a33ae9e 972
aacedc3e 973 hfile->cd();
974 Int_t i;
975 for(i=0; i<fNofMaps; i++) fHis->At(i)->Write(); //fAdcs[i]->Write();
976 return;
b0f5e3fc 977}
8a33ae9e 978//______________________________________________________________________
50d05d7b 979void AliITSsimulationSDD::WriteSDigits(){
aacedc3e 980 // Fills the Summable digits Tree
981 static AliITS *aliITS = (AliITS*)gAlice->GetModule("ITS");
982
983 for( Int_t i=0; i<fNofMaps; i++ ) {
984 if( !fAnodeFire[i] ) continue;
f6b6d58e 985 for( Int_t j=0; j<fMaxNofSamples; j++ ) {
aacedc3e 986 Double_t sig = fHitMap2->GetSignal( i, j );
987 if( sig > 0.2 ) {
988 Int_t jdx = j*fScaleSize;
989 Int_t index = fpList->GetHitIndex( i, j );
990 AliITSpListItem pItemTmp2( fModule, index, 0. );
991 // put the fScaleSize analog digits in only one
992 for( Int_t ik=0; ik<fScaleSize; ik++ ) {
993 AliITSpListItem *pItemTmp = fpList->GetpListItem(i,jdx+ik);
994 if( pItemTmp == 0 ) continue;
995 pItemTmp2.Add( pItemTmp );
996 }
997 pItemTmp2.AddSignalAfterElect( fModule, index, sig );
998 pItemTmp2.AddNoise(fModule,index,fHitNoiMap2->GetSignal(i,j));
999 aliITS->AddSumDigit( pItemTmp2 );
1000 } // end if (sig > 0.2)
1001 }
48058160 1002 }
aacedc3e 1003 return;
b0f5e3fc 1004}
8a33ae9e 1005//______________________________________________________________________
d2f55a22 1006void AliITSsimulationSDD::PrintStatus() const {
aacedc3e 1007 // Print SDD simulation Parameters
1008
1009 cout << "**************************************************" << endl;
1010 cout << " Silicon Drift Detector Simulation Parameters " << endl;
1011 cout << "**************************************************" << endl;
1012 cout << "Flag for Perpendicular tracks: " << (Int_t) fFlag << endl;
aacedc3e 1013 cout << "Flag to switch off electronics: " << (Int_t) fDoFFT << endl;
20f3f947 1014 cout << "Number of Anodes used: " << fNofMaps << endl;
aacedc3e 1015 cout << "Number of Time Samples: " << fMaxNofSamples << endl;
1016 cout << "Scale size factor: " << fScaleSize << endl;
1017 cout << "**************************************************" << endl;
44a312c3 1018}