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[u/mrichter/AliRoot.git] / ITS / AliITSsimulationSDD.cxx
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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>
1ca7869b 21#include <string.h>
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"
35#include "AliITSpList.h"
c7a4dac0 36#include "AliITSresponseSDD.h"
fcf95fc7 37#include "AliITSCalibrationSDD.h"
f77f13c8 38#include "AliITSsegmentationSDD.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
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
73 SetScaleFourier();
74 SetPerpendTracksFlag();
75 SetCrosstalkFlag();
76 SetDoFFT();
b0f5e3fc 77}
8a33ae9e 78//______________________________________________________________________
7537d03c 79AliITSsimulationSDD::AliITSsimulationSDD(const AliITSsimulationSDD &source) :
80 AliITSsimulation(source),
81fITS(source.fITS),
82fHitMap2(source.fHitMap2),
83fHitSigMap2(source.fHitSigMap2),
84fHitNoiMap2(source.fHitNoiMap2),
7537d03c 85fElectronics(source.fElectronics),
86fInZR(source.fInZR),
87fInZI(source.fInZI),
88fOutZR(source.fOutZR),
89fOutZI(source.fOutZI),
90fAnodeFire(source.fAnodeFire),
91fHis(source.fHis),
7537d03c 92fFlag(source.fFlag),
7537d03c 93fCrosstalkFlag(source.fCrosstalkFlag),
94fDoFFT(source.fDoFFT),
95fNofMaps(source.fNofMaps),
96fMaxNofSamples(source.fMaxNofSamples),
97fScaleSize(source.fScaleSize){
aacedc3e 98 // Copy constructor to satify Coding roules only.
8a33ae9e 99
b0f5e3fc 100}
8a33ae9e 101//______________________________________________________________________
d2f55a22 102AliITSsimulationSDD& AliITSsimulationSDD::operator=(const AliITSsimulationSDD &src){
103 // Assignment operator to satify Coding roules only.
104
105 if(this==&src) return *this;
106 Error("AliITSsimulationSDD","Not allowed to make a = with "
107 "AliITSsimulationSDD Using default creater instead");
108 return *this ;
109}
85f5e9c2 110/*
d2f55a22 111//______________________________________________________________________
5402d9ca 112AliITSsimulation& AliITSsimulationSDD::operator=(const AliITSsimulation &src){
aacedc3e 113 // Assignment operator to satify Coding roules only.
8a33ae9e 114
aacedc3e 115 if(this==&src) return *this;
116 Error("AliITSsimulationSSD","Not allowed to make a = with "
117 "AliITSsimulationSDD Using default creater instead");
118 return *this ;
b0f5e3fc 119}
85f5e9c2 120*/
8a33ae9e 121//______________________________________________________________________
8ba39da9 122AliITSsimulationSDD::AliITSsimulationSDD(AliITSDetTypeSim* dettyp):
123AliITSsimulation(dettyp),
aacedc3e 124fITS(0),
125fHitMap2(0),
126fHitSigMap2(0),
127fHitNoiMap2(0),
aacedc3e 128fElectronics(0),
129fInZR(0),
130fInZI(0),
131fOutZR(0),
132fOutZI(0),
133fAnodeFire(0),
134fHis(0),
aacedc3e 135fFlag(kFALSE),
aacedc3e 136fCrosstalkFlag(kFALSE),
137fDoFFT(1),
138fNofMaps(0),
139fMaxNofSamples(0),
140fScaleSize(0){
f45f6658 141 // Default Constructor
142 Init();
c7a4dac0 143}
144//______________________________________________________________________
aacedc3e 145void AliITSsimulationSDD::Init(){
146 // Standard Constructor
147
148 SetScaleFourier();
149 SetPerpendTracksFlag();
150 SetCrosstalkFlag();
151 SetDoFFT();
aacedc3e 152
8ba39da9 153 AliITSsegmentationSDD* seg = (AliITSsegmentationSDD*)GetSegmentationModel(1);
154
f45f6658 155 AliITSresponseSDD* res = (AliITSresponseSDD*)fDetType->GetResponse(1);
8ba39da9 156 fpList = new AliITSpList( seg->Npz(),
157 fScaleSize*seg->Npx() );
158 fHitSigMap2 = new AliITSMapA2(seg,fScaleSize,1);
159 fHitNoiMap2 = new AliITSMapA2(seg,fScaleSize,1);
aacedc3e 160 fHitMap2 = fHitSigMap2;
161
8ba39da9 162 fNofMaps = seg->Npz();
163 fMaxNofSamples = seg->Npx();
aacedc3e 164 fAnodeFire = new Bool_t [fNofMaps];
43217ad9 165
8ba39da9 166 Float_t sddWidth = seg->Dz();
f6b6d58e 167 Float_t anodePitch = seg->Dpz(0);
168 Double_t timeStep = (Double_t)seg->Dpx(0);
aacedc3e 169
170 if(anodePitch*(fNofMaps/2) > sddWidth) {
171 Warning("AliITSsimulationSDD",
172 "Too many anodes %d or too big pitch %f \n",
173 fNofMaps/2,anodePitch);
174 } // end if
b0f5e3fc 175
b0f5e3fc 176
aacedc3e 177 fElectronics = new AliITSetfSDD(timeStep/fScaleSize,
f45f6658 178 res->Electronics());
b0f5e3fc 179
aacedc3e 180
aacedc3e 181 fITS = (AliITS*)gAlice->GetModule("ITS");
20f3f947 182
aacedc3e 183 fInZR = new Double_t [fScaleSize*fMaxNofSamples];
184 fInZI = new Double_t [fScaleSize*fMaxNofSamples];
185 fOutZR = new Double_t [fScaleSize*fMaxNofSamples];
186 fOutZI = new Double_t [fScaleSize*fMaxNofSamples];
b0f5e3fc 187}
8a33ae9e 188//______________________________________________________________________
b0f5e3fc 189AliITSsimulationSDD::~AliITSsimulationSDD() {
aacedc3e 190 // destructor
191
192 // delete fpList;
193 delete fHitSigMap2;
194 delete fHitNoiMap2;
aacedc3e 195 delete fElectronics;
196
197 fITS = 0;
198
199 if (fHis) {
200 fHis->Delete();
201 delete fHis;
202 } // end if fHis
aacedc3e 203 if(fInZR) delete [] fInZR;
204 if(fInZI) delete [] fInZI;
205 if(fOutZR) delete [] fOutZR;
206 if(fOutZI) delete [] fOutZI;
207 if(fAnodeFire) delete [] fAnodeFire;
b0f5e3fc 208}
8a33ae9e 209//______________________________________________________________________
50d05d7b 210void AliITSsimulationSDD::InitSimulationModule( Int_t module, Int_t event ) {
aacedc3e 211 // create maps to build the lists of tracks for each summable digit
212 fModule = module;
213 fEvent = event;
214 ClearMaps();
215 memset(fAnodeFire,0,sizeof(Bool_t)*fNofMaps);
50d05d7b 216}
217//______________________________________________________________________
218void AliITSsimulationSDD::ClearMaps() {
aacedc3e 219 // clear maps
220 fpList->ClearMap();
221 fHitSigMap2->ClearMap();
222 fHitNoiMap2->ClearMap();
50d05d7b 223}
224//______________________________________________________________________
20f3f947 225void AliITSsimulationSDD::FastFourierTransform(Double_t *real,
226 Double_t *imag,Int_t direction) {
227 // Do a Fast Fourier Transform
228
229 Int_t samples = fElectronics->GetSamples();
230 Int_t l = (Int_t) ((log((Float_t) samples)/log(2.))+0.5);
231 Int_t m1 = samples;
232 Int_t m = samples/2;
233 Int_t m2 = samples/m1;
234 Int_t i,j,k;
235 for(i=1; i<=l; i++) {
236 for(j=0; j<samples; j += m1) {
237 Int_t p = 0;
238 for(k=j; k<= j+m-1; k++) {
239 Double_t wsr = fElectronics->GetWeightReal(p);
240 Double_t wsi = fElectronics->GetWeightImag(p);
241 if(direction == -1) wsi = -wsi;
242 Double_t xr = *(real+k+m);
243 Double_t xi = *(imag+k+m);
244 *(real+k+m) = wsr*(*(real+k)-xr) - wsi*(*(imag+k)-xi);
245 *(imag+k+m) = wsr*(*(imag+k)-xi) + wsi*(*(real+k)-xr);
246 *(real+k) += xr;
247 *(imag+k) += xi;
248 p += m2;
249 } // end for k
250 } // end for j
251 m1 = m;
252 m /= 2;
253 m2 += m2;
254 } // end for i
255
256 for(j=0; j<samples; j++) {
257 Int_t j1 = j;
258 Int_t p = 0;
259 Int_t i1;
260 for(i1=1; i1<=l; i1++) {
261 Int_t j2 = j1;
262 j1 /= 2;
263 p = p + p + j2 - j1 - j1;
264 } // end for i1
265 if(p >= j) {
266 Double_t xr = *(real+j);
267 Double_t xi = *(imag+j);
268 *(real+j) = *(real+p);
269 *(imag+j) = *(imag+p);
270 *(real+p) = xr;
271 *(imag+p) = xi;
272 } // end if p>=j
273 } // end for j
274 if(direction == -1) {
275 for(i=0; i<samples; i++) {
276 *(real+i) /= samples;
277 *(imag+i) /= samples;
278 } // end for i
279 } // end if direction == -1
280 return;
281}
282
283//______________________________________________________________________
aacedc3e 284void AliITSsimulationSDD::SDigitiseModule(AliITSmodule *mod,Int_t md,Int_t ev){
285 // digitize module using the "slow" detector simulator creating
286 // summable digits.
287
288 TObjArray *fHits = mod->GetHits();
289 Int_t nhits = fHits->GetEntriesFast();
290 if( !nhits ) return;
291
292 InitSimulationModule( md, ev );
5683bd96 293 HitsToAnalogDigits( mod ); // fills fHitMap2 which is = fHitSigmap2
294 ChargeToSignal( fModule,kFALSE,kTRUE ); // - Process signal adding gain without adding noise
aacedc3e 295 fHitMap2 = fHitNoiMap2; // - Swap to noise map
5683bd96 296 ChargeToSignal( fModule,kTRUE,kFALSE ); // - Process only noise
aacedc3e 297 fHitMap2 = fHitSigMap2; // - Return to signal map
298 WriteSDigits();
299 ClearMaps();
50d05d7b 300}
301//______________________________________________________________________
aacedc3e 302Bool_t AliITSsimulationSDD::AddSDigitsToModule(TClonesArray *pItemArray,
303 Int_t mask ) {
304 // Add Summable digits to module maps.
f45f6658 305 AliITSresponseSDD* res = (AliITSresponseSDD*)fDetType->GetResponse(1);
aacedc3e 306 Int_t nItems = pItemArray->GetEntries();
f45f6658 307 Double_t maxadc = res->MaxAdc();
aacedc3e 308 Bool_t sig = kFALSE;
48058160 309
aacedc3e 310 // cout << "Adding "<< nItems <<" SDigits to module " << fModule << endl;
311 for( Int_t i=0; i<nItems; i++ ) {
312 AliITSpListItem * pItem = (AliITSpListItem *)(pItemArray->At( i ));
313 if( pItem->GetModule() != fModule ) {
314 Error( "AliITSsimulationSDD","Error reading, SDigits module "
315 "%d != current module %d: exit",
316 pItem->GetModule(), fModule );
317 return sig;
318 } // end if
319
320 if(pItem->GetSignal()>0.0 ) sig = kTRUE;
43217ad9 321
aacedc3e 322 fpList->AddItemTo( mask, pItem ); // Add SignalAfterElect + noise
323 AliITSpListItem * pItem2 = fpList->GetpListItem( pItem->GetIndex() );
324 Double_t sigAE = pItem2->GetSignalAfterElect();
325 if( sigAE >= maxadc ) sigAE = maxadc-1; // avoid overflow signal
326 Int_t ia;
327 Int_t it;
328 fpList->GetMapIndex( pItem->GetIndex(), ia, it );
329 fHitMap2->SetHit( ia, it, sigAE );
330 fAnodeFire[ia] = kTRUE;
331 }
332 return sig;
48058160 333}
50d05d7b 334//______________________________________________________________________
335void AliITSsimulationSDD::FinishSDigitiseModule() {
aacedc3e 336 // digitize module using the "slow" detector simulator from
337 // the sum of summable digits.
338 FinishDigits() ;
339 ClearMaps();
c7a4dac0 340}
341//______________________________________________________________________
b0f5e3fc 342void AliITSsimulationSDD::DigitiseModule(AliITSmodule *mod,Int_t md,Int_t ev){
aacedc3e 343 // create maps to build the lists of tracks for each digit
b0f5e3fc 344
aacedc3e 345 TObjArray *fHits = mod->GetHits();
346 Int_t nhits = fHits->GetEntriesFast();
8a33ae9e 347
aacedc3e 348 InitSimulationModule( md, ev );
20f3f947 349 if( !nhits ) return;
48058160 350
aacedc3e 351 HitsToAnalogDigits( mod );
5683bd96 352 ChargeToSignal( fModule,kTRUE,kTRUE ); // process signal + noise
aacedc3e 353
354 for( Int_t i=0; i<fNofMaps; i++ ) {
355 for( Int_t j=0; j<fMaxNofSamples; j++ ) {
356 Int_t jdx = j*fScaleSize;
357 Int_t index = fpList->GetHitIndex( i, j );
358 AliITSpListItem pItemTmp2( fModule, index, 0. );
359 // put the fScaleSize analog digits in only one
360 for( Int_t ik=0; ik<fScaleSize; ik++ ) {
361 AliITSpListItem *pItemTmp = fpList->GetpListItem( i, jdx+ik );
362 if( pItemTmp == 0 ) continue;
363 pItemTmp2.Add( pItemTmp );
364 }
365 fpList->DeleteHit( i, j );
366 fpList->AddItemTo( 0, &pItemTmp2 );
367 }
48058160 368 }
aacedc3e 369 FinishDigits();
370 ClearMaps();
c7a4dac0 371}
372//______________________________________________________________________
50d05d7b 373void AliITSsimulationSDD::FinishDigits() {
aacedc3e 374 // introduce the electronics effects and do zero-suppression if required
8a33ae9e 375
8ba39da9 376 if( fCrosstalkFlag ) ApplyCrosstalk(fModule);
50d05d7b 377
f45f6658 378 AliITSCalibrationSDD* res = (AliITSCalibrationSDD*)GetCalibrationModel(fModule);
fcf95fc7 379 const char *kopt = res->GetZeroSuppOption();
20f3f947 380 if (strstr(kopt,"ZS")) Compress2D();
381 else StoreAllDigits();
c7a4dac0 382}
383//______________________________________________________________________
50d05d7b 384void AliITSsimulationSDD::HitsToAnalogDigits( AliITSmodule *mod ) {
aacedc3e 385 // create maps to build the lists of tracks for each digit
8ba39da9 386 AliITSsegmentationSDD* seg = (AliITSsegmentationSDD*)GetSegmentationModel(1);
f45f6658 387 AliITSCalibrationSDD* res = (AliITSCalibrationSDD*)GetCalibrationModel(fModule);
8ba39da9 388 TObjArray *hits = mod->GetHits();
aacedc3e 389 Int_t nhits = hits->GetEntriesFast();
8ba39da9 390
aacedc3e 391 // Int_t arg[6] = {0,0,0,0,0,0};
d35ad08f 392 Int_t nofAnodes = fNofMaps/2;
393 Double_t sddLength = seg->Dx();
394 Double_t sddWidth = seg->Dz();
f6b6d58e 395 Double_t anodePitch = seg->Dpz(0);
396 Double_t timeStep = seg->Dpx(0);
4952f440 397 Double_t driftSpeed ; // drift velocity (anode dependent)
d35ad08f 398 //Float_t maxadc = res->GetMaxAdc();
399 //Float_t topValue = res->GetDynamicRange();
400 Double_t norm = res->GetMaxAdc()/res->GetDynamicRange(); // maxadc/topValue;
401 Double_t cHloss = res->GetChargeLoss();
402 Float_t dfCoeff, s1; res->DiffCoeff(dfCoeff,s1); // Signal 2d Shape
403 Double_t eVpairs = res->GetGeVToCharge()*1.0E9; // 3.6 eV by def.
404 Double_t nsigma = res->GetNSigmaIntegration(); //
405 Int_t nlookups = res->GetGausNLookUp(); //
406 Float_t jitter = res->GetJitterError(); //
aacedc3e 407
408 // Piergiorgio's part (apart for few variables which I made float
409 // when i thought that can be done
410 // Fill detector maps with GEANT hits
411 // loop over hits in the module
412
413 const Float_t kconv = 1.0e+6; // GeV->KeV
d35ad08f 414 Int_t itrack = 0;
d35ad08f 415 Int_t iWing; // which detector wing/side.
d35ad08f 416 Int_t ii,kk,ka,kt; // loop indexs
417 Int_t ia,it,index; // sub-pixel integration indexies
418 Int_t iAnode; // anode number.
419 Int_t timeSample; // time buckett.
420 Int_t anodeWindow; // anode direction charge integration width
421 Int_t timeWindow; // time direction charge integration width
422 Int_t jamin,jamax; // anode charge integration window
423 Int_t jtmin,jtmax; // time charge integration window
424 Int_t ndiv; // Anode window division factor.
425 Int_t nsplit; // the number of splits in anode and time windows==1.
426 Int_t nOfSplits; // number of times track length is split into
427 Float_t nOfSplitsF; // Floating point version of nOfSplits.
428 Float_t kkF; // Floating point version of loop index kk.
429 Double_t pathInSDD; // Track length in SDD.
430 Double_t drPath; // average position of track in detector. in microns
431 Double_t drTime; // Drift time
432 Double_t nmul; // drift time window multiplication factor.
433 Double_t avDrft; // x position of path length segment in cm.
434 Double_t avAnode; // Anode for path length segment in Anode number (float)
f6b6d58e 435 Double_t zAnode; // Floating point anode number.
d35ad08f 436 Double_t driftPath; // avDrft in microns.
437 Double_t width; // width of signal at anodes.
aacedc3e 438 Double_t depEnergy; // Energy deposited in this GEANT step.
439 Double_t xL[3],dxL[3]; // local hit coordinates and diff.
d35ad08f 440 Double_t sigA; // sigma of signal at anode.
441 Double_t sigT; // sigma in time/drift direction for track segment
442 Double_t aStep,aConst; // sub-pixel size and offset anode
443 Double_t tStep,tConst; // sub-pixel size and offset time
444 Double_t amplitude; // signal amplitude for track segment in nanoAmpere
445 Double_t chargeloss; // charge loss for track segment.
446 Double_t anodeAmplitude; // signal amplitude in anode direction
447 Double_t aExpo; // exponent of Gaussian anode direction
448 Double_t timeAmplitude; // signal amplitude in time direction
449 Double_t tExpo; // exponent of Gaussian time direction
aacedc3e 450 // Double_t tof; // Time of flight in ns of this step.
451
452 for(ii=0; ii<nhits; ii++) {
f6b6d58e 453 if(!mod->LineSegmentL(ii,xL[0],dxL[0],xL[1],dxL[1],xL[2],dxL[2],
aacedc3e 454 depEnergy,itrack)) continue;
f6b6d58e 455 Float_t xloc=xL[0];
456 if(xloc>0) iWing=0; // left side, carlos channel 0
457 else iWing=1; // right side
458
459 Float_t zloc=xL[2]+0.5*dxL[2];
460 zAnode=seg->GetAnodeFromLocal(xloc,zloc); // anode number in the range 0.-511.
461 driftSpeed = res->GetDriftSpeedAtAnode(zAnode);
462 if(timeStep*fMaxNofSamples < sddLength/driftSpeed) {
463 AliWarning("Time Interval > Allowed Time Interval\n");
464 }
465 depEnergy *= kconv;
aacedc3e 466
f6b6d58e 467 // scale path to simulate a perpendicular track
468 // continue if the particle did not lose energy
469 // passing through detector
470 if (!depEnergy) {
471 AliDebug(1,
472 Form("fTrack = %d hit=%d module=%d This particle has passed without losing energy!",
473 itrack,ii,mod->GetIndex()));
474 continue;
475 } // end if !depEnergy
476
477 xL[0] += 0.0001*gRandom->Gaus( 0, jitter ); //
478 pathInSDD = TMath::Sqrt(dxL[0]*dxL[0]+dxL[1]*dxL[1]+dxL[2]*dxL[2]);
479
480 if (fFlag && pathInSDD) { depEnergy *= (0.03/pathInSDD); }
481 drPath = TMath::Abs(10000.*(dxL[0]+2.*xL[0])*0.5);
482 drPath = sddLength-drPath;
483 if(drPath < 0) {
484 AliDebug(1, // this should be fixed at geometry level
485 Form("negative drift path drPath=%e sddLength=%e dxL[0]=%e xL[0]=%e",
f77f13c8 486 drPath,sddLength,dxL[0],xL[0]));
f6b6d58e 487 continue;
488 } // end if drPath < 0
aacedc3e 489
490 // Compute number of segments to brake step path into
f6b6d58e 491 drTime = drPath/driftSpeed; // Drift Time
492 sigA = TMath::Sqrt(2.*dfCoeff*drTime+s1*s1);// Sigma along the anodes
493 // calcuate the number of time the path length should be split into.
494 nOfSplits = (Int_t) (1. + 10000.*pathInSDD/sigA);
495 if(fFlag) nOfSplits = 1;
496
497 // loop over path segments, init. some variables.
498 depEnergy /= nOfSplits;
499 nOfSplitsF = (Float_t) nOfSplits;
500 Float_t theAverage=0.,theSteps=0.;
501 for(kk=0;kk<nOfSplits;kk++) { // loop over path segments
502 kkF = (Float_t) kk + 0.5;
503 avDrft = xL[0]+dxL[0]*kkF/nOfSplitsF;
504 avAnode = xL[2]+dxL[2]*kkF/nOfSplitsF;
505 theSteps+=1.;
506 theAverage+=avAnode;
507 zAnode = seg->GetAnodeFromLocal(avDrft,avAnode);
508 driftSpeed = res->GetDriftSpeedAtAnode(zAnode);
509 driftPath = TMath::Abs(10000.*avDrft);
510 driftPath = sddLength-driftPath;
511 if(driftPath < 0) {
512 AliDebug(1, // this should be fixed at geometry level
513 Form("negative drift path driftPath=%e sddLength=%e avDrft=%e dxL[0]=%e xL[0]=%e",
514 driftPath,sddLength,avDrft,dxL[0],xL[0]));
515 continue;
516 } // end if driftPath < 0
517 drTime = driftPath/driftSpeed; // drift time for segment.
518 timeSample = (Int_t) (fScaleSize*drTime/timeStep + 1); // time bin in range 1-256 !!!
519 if(timeSample > fScaleSize*fMaxNofSamples) {
520 AliWarning(Form("Wrong Time Sample: %e",timeSample));
521 continue;
522 } // end if timeSample > fScaleSize*fMaxNoofSamples
523
524 if(zAnode>nofAnodes) zAnode-=nofAnodes; // to have the anode number between 0. and 256.
525 if(zAnode*anodePitch > sddWidth || zAnode*anodePitch < 0.)
526 AliWarning(Form("Exceeding sddWidth=%e Z = %e",sddWidth,zAnode*anodePitch));
527 iAnode = (Int_t) (1.+zAnode); // iAnode in range 1-256 !!!!
528 if(iAnode < 1 || iAnode > nofAnodes) {
529 AliWarning(Form("Wrong iAnode: 1<%d>%d (xanode=%e)",iAnode,nofAnodes, zAnode));
530 continue;
531 } // end if iAnode < 1 || iAnode > nofAnodes
532
533 // store straight away the particle position in the array
534 // of particles and take idhit=ii only when part is entering (this
535 // requires FillModules() in the macro for analysis) :
536
537 // Sigma along the anodes for track segment.
538 sigA = TMath::Sqrt(2.*dfCoeff*drTime+s1*s1);
539 sigT = sigA/driftSpeed;
540 // Peak amplitude in nanoAmpere
541 amplitude = fScaleSize*160.*depEnergy/
542 (timeStep*eVpairs*2.*acos(-1.)*sigT*sigA);
543 amplitude *= timeStep/25.; // WARNING!!!!! Amplitude scaling to
544 // account for clock variations
545 // (reference value: 40 MHz)
546 chargeloss = 1.-cHloss*driftPath/1000.;
547 amplitude *= chargeloss;
548 width = 2.*nsigma/(nlookups-1);
549 // Spread the charge
550 // Pixel index
551 ndiv = 2;
552 nmul = 3.;
553 if(drTime > 1200.) {
554 ndiv = 4;
555 nmul = 1.5;
556 } // end if drTime > 1200.
557 // Sub-pixel index
558 nsplit = 4; // hard-wired //nsplit=4;nsplit = (nsplit+1)/2*2;
559 // Sub-pixel size see computation of aExpo and tExpo.
560 aStep = anodePitch/(nsplit*fScaleSize*sigA);
561 aConst = zAnode*anodePitch/sigA;
562 tStep = timeStep/(nsplit*fScaleSize*sigT);
563 tConst = drTime/sigT;
564 // Define SDD window corresponding to the hit
565 anodeWindow = (Int_t)(fScaleSize*nsigma*sigA/anodePitch+1);
566 timeWindow = (Int_t) (fScaleSize*nsigma*sigT/timeStep+1.);
567 jamin = (iAnode - anodeWindow/ndiv - 2)*fScaleSize*nsplit +1;
568 jamax = (iAnode + anodeWindow/ndiv + 1)*fScaleSize*nsplit;
569 if(jamin <= 0) jamin = 1;
570 if(jamax > fScaleSize*nofAnodes*nsplit)
571 jamax = fScaleSize*nofAnodes*nsplit;
572 // jtmin and jtmax are Hard-wired
573 jtmin = (Int_t)(timeSample-timeWindow*nmul-1)*nsplit+1;
574 jtmax = (Int_t)(timeSample+timeWindow*nmul)*nsplit;
575 if(jtmin <= 0) jtmin = 1;
576 if(jtmax > fScaleSize*fMaxNofSamples*nsplit)
577 jtmax = fScaleSize*fMaxNofSamples*nsplit;
578 // Spread the charge in the anode-time window
579 for(ka=jamin; ka <=jamax; ka++) {
580 ia = (ka-1)/(fScaleSize*nsplit) + 1;
581 if(ia <= 0) {
582 Warning("HitsToAnalogDigits","ia < 1: ");
583 continue;
584 } // end if
585 if(ia > nofAnodes) ia = nofAnodes;
586 aExpo = (aStep*(ka-0.5)-aConst);
587 if(TMath::Abs(aExpo) > nsigma) anodeAmplitude = 0.;
588 else {
589 Int_t theBin = (Int_t) ((aExpo+nsigma)/width+0.5);
590 anodeAmplitude = amplitude*res->GetGausLookUp(theBin);
591 } // end if TMath::Abs(aEspo) > nsigma
592 // index starts from 0
593 index = iWing*nofAnodes+ia-1;
594 if(anodeAmplitude){
595 for(kt=jtmin; kt<=jtmax; kt++) {
596 it = (kt-1)/nsplit+1; // it starts from 1
597 if(it<=0){
598 Warning("HitsToAnalogDigits","it < 1:");
599 continue;
600 } // end if
601 if(it>fScaleSize*fMaxNofSamples)
602 it = fScaleSize*fMaxNofSamples;
603 tExpo = (tStep*(kt-0.5)-tConst);
604 if(TMath::Abs(tExpo) > nsigma) timeAmplitude = 0.;
605 else {
606 Int_t theBin = (Int_t) ((tExpo+nsigma)/width+0.5);
607 timeAmplitude = anodeAmplitude*res->GetGausLookUp(theBin);
608 } // end if TMath::Abs(tExpo) > nsigma
609 // build the list of Sdigits for this module
610 // arg[0] = index;
611 // arg[1] = it;
612 // arg[2] = itrack; // track number
613 // arg[3] = ii-1; // hit number.
614 timeAmplitude *= norm;
615 timeAmplitude *= 10;
616 // ListOfFiredCells(arg,timeAmplitude,alst,padr);
617 Double_t charge = timeAmplitude;
618 charge += fHitMap2->GetSignal(index,it-1);
619 fHitMap2->SetHit(index, it-1, charge);
620 fpList->AddSignal(index,it-1,itrack,ii-1,
621 mod->GetIndex(),timeAmplitude);
622 fAnodeFire[index] = kTRUE;
623 } // end loop over time in window
624 } // end if anodeAmplitude
625 } // loop over anodes in window
626 } // end loop over "sub-hits"
aacedc3e 627 } // end loop over hits
b0f5e3fc 628}
aacedc3e 629
b0f5e3fc 630//____________________________________________
83ec5e27 631void AliITSsimulationSDD::AddDigit( Int_t i, Int_t j, Int_t signalc, Int_t signale) {
20f3f947 632 // Adds a Digit.
633 Int_t size = AliITSdigit::GetNTracks();
634
635 Int_t digits[3];
636 Int_t * tracks = new Int_t[size];
637 Int_t * hits = new Int_t[size];
638 Float_t phys;
639 Float_t * charges = new Float_t[size];
640
641 digits[0] = i;
642 digits[1] = j;
83ec5e27 643 digits[2] = signalc;
20f3f947 644
645 AliITSpListItem *pItem = fpList->GetpListItem( i, j );
646 if( pItem == 0 ) {
647 phys = 0.0;
648 for( Int_t l=0; l<size; l++ ) {
649 tracks[l] = 0;
650 hits[l] = 0;
651 charges[l] = 0.0;
50d05d7b 652 }
20f3f947 653 } else {
654 Int_t idtrack = pItem->GetTrack( 0 );
655 if( idtrack >= 0 ) phys = pItem->GetSignal();
656 else phys = 0.0;
657
658 for( Int_t l=0; l<size; l++ ) if(l<pItem->GetMaxKept()) {
659 tracks[l] = pItem->GetTrack( l );
660 hits[l] = pItem->GetHit( l );
661 charges[l] = pItem->GetSignal( l );
662 }else{
663 tracks[l] = -3;
664 hits[l] = -1;
665 charges[l] = 0.0;
666 }// end for if
667 }
50d05d7b 668
83ec5e27 669 fITS->AddSimDigit( 1, phys, digits, tracks, hits, charges, signale );
20f3f947 670 delete [] tracks;
671 delete [] hits;
672 delete [] charges;
aacedc3e 673}
8a33ae9e 674//______________________________________________________________________
5683bd96 675void AliITSsimulationSDD::ChargeToSignal(Int_t mod,Bool_t bAddNoise, Bool_t bAddGain) {
676 // add baseline, noise, gain, electronics and ADC saturation effects
677 // apply dead channels
678
5683bd96 679 AliITSCalibrationSDD* res = (AliITSCalibrationSDD*)GetCalibrationModel(mod);
5683bd96 680 Double_t baseline=0;
681 Double_t noise=0;
682 Double_t gain=0;
683 Float_t contrib=0;
684 Int_t i,k,kk;
685 Float_t maxadc = res->GetMaxAdc();
686
687 for (i=0;i<fNofMaps;i++) {
688 if( !fAnodeFire[i] ) continue;
689 baseline = res->GetBaseline(i);
690 noise = res->GetNoise(i);
691 gain = res->GetChannelGain(i);
eefec958 692 if(res->IsBad()) gain=0.;
13a2b50d 693 if( res->IsChipBad(res->GetChip(i)) )gain=0.;
5683bd96 694 for(k=0; k<fScaleSize*fMaxNofSamples; k++) {
695 fInZR[k] = fHitMap2->GetSignal(i,k);
696 if(bAddGain) fInZR[k]*=gain;
697 if( bAddNoise ) {
698 contrib = (baseline + noise*gRandom->Gaus());
699 fInZR[k] += contrib;
700 }
701 fInZI[k] = 0.;
702 } // end for k
aacedc3e 703 if(!fDoFFT) {
5683bd96 704 for(k=0; k<fMaxNofSamples; k++) {
705 Double_t newcont = 0.;
706 Double_t maxcont = 0.;
707 for(kk=0;kk<fScaleSize;kk++) {
708 newcont = fInZR[fScaleSize*k+kk];
709 if(newcont > maxcont) maxcont = newcont;
710 } // end for kk
711 newcont = maxcont;
712 if (newcont >= maxadc) newcont = maxadc -1;
713 if(newcont >= baseline){
714 Warning("","newcont=%d>=baseline=%d",newcont,baseline);
715 } // end if
716 // back to analog: ?
717 fHitMap2->SetHit(i,k,newcont);
718 } // end for k
719 }else{
20f3f947 720 FastFourierTransform(&fInZR[0],&fInZI[0],1);
5683bd96 721 for(k=0; k<fScaleSize*fMaxNofSamples; k++) {
722 Double_t rw = fElectronics->GetTraFunReal(k);
723 Double_t iw = fElectronics->GetTraFunImag(k);
724 fOutZR[k] = fInZR[k]*rw - fInZI[k]*iw;
725 fOutZI[k] = fInZR[k]*iw + fInZI[k]*rw;
726 } // end for k
20f3f947 727 FastFourierTransform(&fOutZR[0],&fOutZI[0],-1);
5683bd96 728 for(k=0; k<fMaxNofSamples; k++) {
729 Double_t newcont1 = 0.;
730 Double_t maxcont1 = 0.;
731 for(kk=0;kk<fScaleSize;kk++) {
732 newcont1 = fOutZR[fScaleSize*k+kk];
733 if(newcont1 > maxcont1) maxcont1 = newcont1;
734 } // end for kk
735 newcont1 = maxcont1;
736 if (newcont1 >= maxadc) newcont1 = maxadc -1;
737 fHitMap2->SetHit(i,k,newcont1);
738 } // end for k
739 }
740 } // end for i loop over anodes
741 return;
50d05d7b 742}
5683bd96 743
50d05d7b 744//______________________________________________________________________
8ba39da9 745void AliITSsimulationSDD::ApplyCrosstalk(Int_t mod) {
aacedc3e 746 // function add the crosstalk effect to signal
747 // temporal function, should be checked...!!!
8ba39da9 748
aacedc3e 749 // create and inizialice crosstalk map
750 Float_t* ctk = new Float_t[fNofMaps*fMaxNofSamples+1];
751 if( ctk == NULL ) {
752 Error( "ApplyCrosstalk", "no memory for temporal map: exit \n" );
753 return;
754 }
755 memset( ctk, 0, sizeof(Float_t)*(fNofMaps*fMaxNofSamples+1) );
f45f6658 756 AliITSCalibrationSDD* calibr = (AliITSCalibrationSDD*)GetCalibrationModel(mod);
aacedc3e 757 for( Int_t z=0; z<fNofMaps; z++ ) {
f45f6658 758 Double_t baseline = calibr->GetBaseline(z);
aacedc3e 759 Bool_t on = kFALSE;
760 Int_t tstart = 0;
761 Int_t tstop = 0;
762 Int_t nTsteps = 0;
50d05d7b 763
aacedc3e 764 for( Int_t l=0; l<fMaxNofSamples; l++ ) {
765 Float_t fadc = (Float_t)fHitMap2->GetSignal( z, l );
766 if( fadc > baseline ) {
767 if( on == kFALSE && l<fMaxNofSamples-4 ) {
768 Float_t fadc1 = (Float_t)fHitMap2->GetSignal( z, l+1 );
769 if( fadc1 < fadc ) continue;
770 on = kTRUE;
771 nTsteps = 0;
772 tstart = l;
773 }
774 nTsteps++;
775 }
776 else { // end fadc > baseline
777 if( on == kTRUE ) {
778 if( nTsteps > 2 ) {
779 tstop = l;
780 // make smooth derivative
781 Float_t* dev = new Float_t[fMaxNofSamples+1];
782 memset( dev, 0, sizeof(Float_t)*(fMaxNofSamples+1) );
783 if( ctk == NULL ) {
784 Error( "ApplyCrosstalk",
785 "no memory for temporal array: exit \n" );
786 return;
787 }
788 for( Int_t i=tstart; i<tstop; i++ ) {
789 if( i > 2 && i < fMaxNofSamples-2 )
790 dev[i] = -0.2*fHitMap2->GetSignal( z,i-2 )
791 -0.1*fHitMap2->GetSignal( z,i-1 )
792 +0.1*fHitMap2->GetSignal( z,i+1 )
793 +0.2*fHitMap2->GetSignal( z,i+2 );
794 }
50d05d7b 795
aacedc3e 796 // add crosstalk contribution to neibourg anodes
797 for( Int_t i=tstart; i<tstop; i++ ) {
798 Int_t anode = z - 1;
799 Int_t i1 = (Int_t)((i-tstart)*.61+tstart+0.5); //
800 Float_t ctktmp = -dev[i1] * 0.25;
801 if( anode > 0 ) {
802 ctk[anode*fMaxNofSamples+i] += ctktmp;
803 }
804 anode = z + 1;
805 if( anode < fNofMaps ) {
806 ctk[anode*fMaxNofSamples+i] += ctktmp;
807 }
808 }
809 delete [] dev;
50d05d7b 810
aacedc3e 811 } // if( nTsteps > 2 )
812 on = kFALSE;
813 } // if( on == kTRUE )
814 } // else
815 }
3d2c9d72 816 }
50d05d7b 817
aacedc3e 818 for( Int_t a=0; a<fNofMaps; a++ )
819 for( Int_t t=0; t<fMaxNofSamples; t++ ) {
820 Float_t signal = fHitMap2->GetSignal(a,t)+ctk[a*fMaxNofSamples+t];
821 fHitMap2->SetHit( a, t, signal );
822 }
823
824 delete [] ctk;
50d05d7b 825}
f45f6658 826
8a33ae9e 827//______________________________________________________________________
8a33ae9e 828Int_t AliITSsimulationSDD::Convert10to8(Int_t signal) const {
aacedc3e 829 // To the 10 to 8 bit lossive compression.
830 // code from Davide C. and Albert W.
831
832 if (signal < 128) return signal;
833 if (signal < 256) return (128+((signal-128)>>1));
834 if (signal < 512) return (192+((signal-256)>>3));
835 if (signal < 1024) return (224+((signal-512)>>4));
836 return 0;
b0f5e3fc 837}
8a33ae9e 838//______________________________________________________________________
83ec5e27 839Int_t AliITSsimulationSDD::Convert8to10(Int_t signal) const {
840 // Decompression from 8 to 10 bit
841
842 if (signal < 0 || signal > 255) {
843 AliWarning(Form("Signal value %d out of range",signal));
844 return 0;
845 } // end if signal <0 || signal >255
846
847 if (signal < 128) return signal;
848 if (signal < 192) {
849 if (TMath::Odd(signal)) return (128+((signal-128)<<1));
850 else return (128+((signal-128)<<1)+1);
851 } // end if signal < 192
852 if (signal < 224) {
853 if (TMath::Odd(signal)) return (256+((signal-192)<<3)+3);
854 else return (256+((signal-192)<<3)+4);
855 } // end if signal < 224
856 if (TMath::Odd(signal)) return (512+((signal-224)<<4)+7);
857 return (512+((signal-224)<<4)+8);
858}
859//______________________________________________________________________
b0f5e3fc 860void AliITSsimulationSDD::Compress2D(){
20f3f947 861 // 2D zero-suppression algorithm as described in ALICE-INT-1999-28 V10
862 AliITSCalibrationSDD* res = (AliITSCalibrationSDD*)GetCalibrationModel(fModule);
20f3f947 863 for (Int_t iWing=0; iWing<2; iWing++) {
864 Int_t tL=res->GetZSLowThreshold(iWing);
865 Int_t tH=res->GetZSHighThreshold(iWing);
866 for (Int_t i=0; i<fNofMaps/2; i++) {
867 Int_t ian=i+iWing*fNofMaps/2;
868 if( !fAnodeFire[ian] ) continue;
869 for (Int_t itb=0; itb<fMaxNofSamples; itb++) {
8343dab6 870 Int_t nLow=0, nHigh=0;
20f3f947 871 Float_t cC=fHitMap2->GetSignal(ian,itb);
872 if(cC<=tL) continue;
8343dab6 873 nLow++; // cC is greater than tL
874 if(cC>tH) nHigh++;
20f3f947 875 // N
876 // Get "quintuple": WCE
877 // S
878 Float_t wW=0.;
879 if(itb>0) wW=fHitMap2->GetSignal(ian,itb-1);
8343dab6 880 if(wW>tL) nLow++;
881 if(wW>tH) nHigh++;
20f3f947 882 Float_t eE=0.;
883 if(itb<fMaxNofSamples-1) eE=fHitMap2->GetSignal(ian,itb+1);
8343dab6 884 if(eE>tL) nLow++;
885 if(eE>tH) nHigh++;
20f3f947 886 Float_t nN=0.;
887 if(i<(fNofMaps/2-1)) nN=fHitMap2->GetSignal(ian+1,itb);
8343dab6 888 if(nN>tL) nLow++;
889 if(nN>tH) nHigh++;
20f3f947 890 Float_t sS=0.;
891 if(i>0) sS=fHitMap2->GetSignal(ian-1,itb);
8343dab6 892 if(sS>tL) nLow++;
893 if(sS>tH) nHigh++;
894
895 if(nLow>=3 && nHigh>=1){
83ec5e27 896 Int_t signal=(Int_t)cC;
897 Int_t signalc = Convert10to8(signal);
898 Int_t signale = Convert8to10(signalc);
899 signalc-=tL; // subtract low threshold after 10 to 8 bit compression
900 AddDigit(ian,itb,signalc,signale); // store C
20f3f947 901 }
902 }
903 }
904 }
b0f5e3fc 905}
8ba39da9 906
aacedc3e 907
8a33ae9e 908//______________________________________________________________________
b0f5e3fc 909void AliITSsimulationSDD::StoreAllDigits(){
fa4f0f62 910 // store digits for non-zero-suppressed data
911 for (Int_t ian=0; ian<fNofMaps; ian++) {
912 for (Int_t itb=0; itb<fMaxNofSamples; itb++){
913 Int_t signal=(Int_t)(fHitMap2->GetSignal(ian,itb));
914 Int_t signalc = Convert10to8(signal);
915 Int_t signale = Convert8to10(signalc);
916 AddDigit(ian,itb,signalc,signale);
917 }
918 }
b0f5e3fc 919}
8a33ae9e 920//______________________________________________________________________
ece86d9a 921void AliITSsimulationSDD::CreateHistograms(Int_t scale){
aacedc3e 922 // Creates histograms of maps for debugging
923 Int_t i;
924
925 fHis=new TObjArray(fNofMaps);
926 for (i=0;i<fNofMaps;i++) {
927 TString sddName("sdd_");
928 Char_t candNum[4];
929 sprintf(candNum,"%d",i+1);
930 sddName.Append(candNum);
931 fHis->AddAt(new TH1F(sddName.Data(),"SDD maps",scale*fMaxNofSamples,
932 0.,(Float_t) scale*fMaxNofSamples), i);
933 } // end for i
b0f5e3fc 934}
8a33ae9e 935//______________________________________________________________________
ece86d9a 936void AliITSsimulationSDD::FillHistograms(){
aacedc3e 937 // fill 1D histograms from map
8a33ae9e 938
aacedc3e 939 if (!fHis) return;
8a33ae9e 940
aacedc3e 941 for( Int_t i=0; i<fNofMaps; i++) {
942 TH1F *hist =(TH1F *)fHis->UncheckedAt(i);
943 Int_t nsamples = hist->GetNbinsX();
944 for( Int_t j=0; j<nsamples; j++) {
945 Double_t signal=fHitMap2->GetSignal(i,j);
946 hist->Fill((Float_t)j,signal);
947 } // end for j
948 } // end for i
ece86d9a 949}
8a33ae9e 950//______________________________________________________________________
b0f5e3fc 951void AliITSsimulationSDD::ResetHistograms(){
aacedc3e 952 // Reset histograms for this detector
953 Int_t i;
8a33ae9e 954
aacedc3e 955 for (i=0;i<fNofMaps;i++ ) {
956 if (fHis->At(i)) ((TH1F*)fHis->At(i))->Reset();
957 } // end for i
b0f5e3fc 958}
8a33ae9e 959//______________________________________________________________________
b0f5e3fc 960TH1F *AliITSsimulationSDD::GetAnode(Int_t wing, Int_t anode) {
aacedc3e 961 // Fills a histogram from a give anode.
8a33ae9e 962
aacedc3e 963 if (!fHis) return 0;
8a33ae9e 964
aacedc3e 965 if(wing <=0 || wing > 2) {
966 Warning("GetAnode","Wrong wing number: %d",wing);
967 return NULL;
968 } // end if wing <=0 || wing >2
969 if(anode <=0 || anode > fNofMaps/2) {
970 Warning("GetAnode","Wrong anode number: %d",anode);
971 return NULL;
972 } // end if ampde <=0 || andoe > fNofMaps/2
8a33ae9e 973
aacedc3e 974 Int_t index = (wing-1)*fNofMaps/2 + anode-1;
975 return (TH1F*)(fHis->At(index));
b0f5e3fc 976}
8a33ae9e 977//______________________________________________________________________
b0f5e3fc 978void AliITSsimulationSDD::WriteToFile(TFile *hfile) {
aacedc3e 979 // Writes the histograms to a file
b0f5e3fc 980
aacedc3e 981 if (!fHis) return;
8a33ae9e 982
aacedc3e 983 hfile->cd();
984 Int_t i;
985 for(i=0; i<fNofMaps; i++) fHis->At(i)->Write(); //fAdcs[i]->Write();
986 return;
b0f5e3fc 987}
8a33ae9e 988//______________________________________________________________________
50d05d7b 989void AliITSsimulationSDD::WriteSDigits(){
aacedc3e 990 // Fills the Summable digits Tree
991 static AliITS *aliITS = (AliITS*)gAlice->GetModule("ITS");
992
993 for( Int_t i=0; i<fNofMaps; i++ ) {
994 if( !fAnodeFire[i] ) continue;
f6b6d58e 995 for( Int_t j=0; j<fMaxNofSamples; j++ ) {
aacedc3e 996 Double_t sig = fHitMap2->GetSignal( i, j );
997 if( sig > 0.2 ) {
998 Int_t jdx = j*fScaleSize;
999 Int_t index = fpList->GetHitIndex( i, j );
1000 AliITSpListItem pItemTmp2( fModule, index, 0. );
1001 // put the fScaleSize analog digits in only one
1002 for( Int_t ik=0; ik<fScaleSize; ik++ ) {
1003 AliITSpListItem *pItemTmp = fpList->GetpListItem(i,jdx+ik);
1004 if( pItemTmp == 0 ) continue;
1005 pItemTmp2.Add( pItemTmp );
1006 }
1007 pItemTmp2.AddSignalAfterElect( fModule, index, sig );
1008 pItemTmp2.AddNoise(fModule,index,fHitNoiMap2->GetSignal(i,j));
1009 aliITS->AddSumDigit( pItemTmp2 );
1010 } // end if (sig > 0.2)
1011 }
48058160 1012 }
aacedc3e 1013 return;
b0f5e3fc 1014}
8a33ae9e 1015//______________________________________________________________________
d2f55a22 1016void AliITSsimulationSDD::PrintStatus() const {
aacedc3e 1017 // Print SDD simulation Parameters
1018
1019 cout << "**************************************************" << endl;
1020 cout << " Silicon Drift Detector Simulation Parameters " << endl;
1021 cout << "**************************************************" << endl;
1022 cout << "Flag for Perpendicular tracks: " << (Int_t) fFlag << endl;
aacedc3e 1023 cout << "Flag to switch off electronics: " << (Int_t) fDoFFT << endl;
20f3f947 1024 cout << "Number of Anodes used: " << fNofMaps << endl;
aacedc3e 1025 cout << "Number of Time Samples: " << fMaxNofSamples << endl;
1026 cout << "Scale size factor: " << fScaleSize << endl;
1027 cout << "**************************************************" << endl;
44a312c3 1028}