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Improved access to AliITSgeom in reconstruction
[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>
ece86d9a 27
e8189707 28#include "AliITS.h"
e8189707 29#include "AliITSMapA2.h"
e8189707 30#include "AliITSRawData.h"
f77f13c8 31#include "AliITSdigitSPD.h"
32#include "AliITSetfSDD.h"
50d05d7b 33#include "AliITSgeom.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 53Int_t power(Int_t b, Int_t e) {
54 // compute b to the e power, where both b and e are Int_ts.
55 Int_t power = 1,i;
3d2c9d72 56
aacedc3e 57 for(i=0; i<e; i++) power *= b;
58 return power;
8a33ae9e 59}
60//______________________________________________________________________
b0f5e3fc 61void FastFourierTransform(AliITSetfSDD *alisddetf,Double_t *real,
62 Double_t *imag,Int_t direction) {
aacedc3e 63 // Do a Fast Fourier Transform
64
65 Int_t samples = alisddetf->GetSamples();
66 Int_t l = (Int_t) ((log((Float_t) samples)/log(2.))+0.5);
67 Int_t m1 = samples;
68 Int_t m = samples/2;
69 Int_t m2 = samples/m1;
70 Int_t i,j,k;
71 for(i=1; i<=l; i++) {
72 for(j=0; j<samples; j += m1) {
73 Int_t p = 0;
74 for(k=j; k<= j+m-1; k++) {
75 Double_t wsr = alisddetf->GetWeightReal(p);
76 Double_t wsi = alisddetf->GetWeightImag(p);
77 if(direction == -1) wsi = -wsi;
78 Double_t xr = *(real+k+m);
79 Double_t xi = *(imag+k+m);
80 *(real+k+m) = wsr*(*(real+k)-xr) - wsi*(*(imag+k)-xi);
81 *(imag+k+m) = wsr*(*(imag+k)-xi) + wsi*(*(real+k)-xr);
82 *(real+k) += xr;
83 *(imag+k) += xi;
84 p += m2;
85 } // end for k
86 } // end for j
87 m1 = m;
88 m /= 2;
89 m2 += m2;
3d2c9d72 90 } // end for i
aacedc3e 91
92 for(j=0; j<samples; j++) {
93 Int_t j1 = j;
94 Int_t p = 0;
95 Int_t i1;
96 for(i1=1; i1<=l; i1++) {
97 Int_t j2 = j1;
98 j1 /= 2;
99 p = p + p + j2 - j1 - j1;
100 } // end for i1
101 if(p >= j) {
102 Double_t xr = *(real+j);
103 Double_t xi = *(imag+j);
104 *(real+j) = *(real+p);
105 *(imag+j) = *(imag+p);
106 *(real+p) = xr;
107 *(imag+p) = xi;
108 } // end if p>=j
109 } // end for j
110 if(direction == -1) {
111 for(i=0; i<samples; i++) {
112 *(real+i) /= samples;
113 *(imag+i) /= samples;
114 } // end for i
115 } // end if direction == -1
116 return;
b0f5e3fc 117}
8a33ae9e 118//______________________________________________________________________
aacedc3e 119AliITSsimulationSDD::AliITSsimulationSDD():
120AliITSsimulation(),
121fITS(0),
122fHitMap2(0),
123fHitSigMap2(0),
124fHitNoiMap2(0),
125fStream(0),
126fElectronics(0),
127fInZR(0),
128fInZI(0),
129fOutZR(0),
130fOutZI(0),
131fAnodeFire(0),
132fHis(0),
133fD(),
134fT1(),
135fTol(),
136fBaseline(),
137fNoise(),
138fTreeB(0),
139fFileName(),
140fFlag(kFALSE),
141fCheckNoise(kFALSE),
142fCrosstalkFlag(kFALSE),
143fDoFFT(1),
144fNofMaps(0),
145fMaxNofSamples(0),
146fScaleSize(0){
147 // Default constructor
148 SetScaleFourier();
149 SetPerpendTracksFlag();
150 SetCrosstalkFlag();
151 SetDoFFT();
152 SetCheckNoise();
b0f5e3fc 153}
8a33ae9e 154//______________________________________________________________________
ac74f489 155AliITSsimulationSDD::AliITSsimulationSDD(AliITSsimulationSDD &source) :
aacedc3e 156 AliITSsimulation(source){
157 // Copy constructor to satify Coding roules only.
8a33ae9e 158
aacedc3e 159 if(this==&source) return;
d2f55a22 160 Error("AliITSsimulationSDD","Not allowed to make a copy of "
aacedc3e 161 "AliITSsimulationSDD Using default creater instead");
162 AliITSsimulationSDD();
b0f5e3fc 163}
8a33ae9e 164//______________________________________________________________________
d2f55a22 165AliITSsimulationSDD& AliITSsimulationSDD::operator=(const AliITSsimulationSDD &src){
166 // Assignment operator to satify Coding roules only.
167
168 if(this==&src) return *this;
169 Error("AliITSsimulationSDD","Not allowed to make a = with "
170 "AliITSsimulationSDD Using default creater instead");
171 return *this ;
172}
173//______________________________________________________________________
5402d9ca 174AliITSsimulation& AliITSsimulationSDD::operator=(const AliITSsimulation &src){
aacedc3e 175 // Assignment operator to satify Coding roules only.
8a33ae9e 176
aacedc3e 177 if(this==&src) return *this;
178 Error("AliITSsimulationSSD","Not allowed to make a = with "
179 "AliITSsimulationSDD Using default creater instead");
180 return *this ;
b0f5e3fc 181}
d2f55a22 182
8a33ae9e 183//______________________________________________________________________
8ba39da9 184AliITSsimulationSDD::AliITSsimulationSDD(AliITSDetTypeSim* dettyp):
185AliITSsimulation(dettyp),
aacedc3e 186fITS(0),
187fHitMap2(0),
188fHitSigMap2(0),
189fHitNoiMap2(0),
190fStream(0),
191fElectronics(0),
192fInZR(0),
193fInZI(0),
194fOutZR(0),
195fOutZI(0),
196fAnodeFire(0),
197fHis(0),
198fD(),
199fT1(),
200fTol(),
201fBaseline(),
202fNoise(),
203fTreeB(0),
204fFileName(),
205fFlag(kFALSE),
206fCheckNoise(kFALSE),
207fCrosstalkFlag(kFALSE),
208fDoFFT(1),
209fNofMaps(0),
210fMaxNofSamples(0),
211fScaleSize(0){
212 // Standard Constructor
213
214 Init();
c7a4dac0 215}
216//______________________________________________________________________
aacedc3e 217void AliITSsimulationSDD::Init(){
218 // Standard Constructor
219
220 SetScaleFourier();
221 SetPerpendTracksFlag();
222 SetCrosstalkFlag();
223 SetDoFFT();
224 SetCheckNoise();
225
8ba39da9 226 AliITSsegmentationSDD* seg = (AliITSsegmentationSDD*)GetSegmentationModel(1);
227
fcf95fc7 228 AliITSCalibrationSDD* res = (AliITSCalibrationSDD*)GetCalibrationModel(fDetType->GetITSgeom()->GetStartSDD());
8ba39da9 229 fpList = new AliITSpList( seg->Npz(),
230 fScaleSize*seg->Npx() );
231 fHitSigMap2 = new AliITSMapA2(seg,fScaleSize,1);
232 fHitNoiMap2 = new AliITSMapA2(seg,fScaleSize,1);
aacedc3e 233 fHitMap2 = fHitSigMap2;
234
8ba39da9 235 fNofMaps = seg->Npz();
236 fMaxNofSamples = seg->Npx();
aacedc3e 237 fAnodeFire = new Bool_t [fNofMaps];
43217ad9 238
8ba39da9 239 Float_t sddLength = seg->Dx();
240 Float_t sddWidth = seg->Dz();
aacedc3e 241
242 Int_t dummy = 0;
8ba39da9 243 Float_t anodePitch = seg->Dpz(dummy);
244 Double_t timeStep = (Double_t)seg->Dpx(dummy);
fcf95fc7 245 Float_t driftSpeed = res->GetDriftSpeed();
aacedc3e 246
247 if(anodePitch*(fNofMaps/2) > sddWidth) {
248 Warning("AliITSsimulationSDD",
249 "Too many anodes %d or too big pitch %f \n",
250 fNofMaps/2,anodePitch);
251 } // end if
b0f5e3fc 252
aacedc3e 253 if(timeStep*fMaxNofSamples < sddLength/driftSpeed) {
254 Error("AliITSsimulationSDD",
255 "Time Interval > Allowed Time Interval: exit\n");
256 return;
257 } // end if
b0f5e3fc 258
aacedc3e 259 fElectronics = new AliITSetfSDD(timeStep/fScaleSize,
fcf95fc7 260 res->GetElectronics());
b0f5e3fc 261
aacedc3e 262 char opt1[20], opt2[20];
fcf95fc7 263 res->GetParamOptions(opt1,opt2);
aacedc3e 264 fParam = opt2;
265 char *same = strstr(opt1,"same");
266 if (same) {
267 fNoise.Set(0);
268 fBaseline.Set(0);
269 } else {
270 fNoise.Set(fNofMaps);
271 fBaseline.Set(fNofMaps);
272 } // end if
5d18fa90 273
fcf95fc7 274 const char *kopt=res->GetZeroSuppOption();
aacedc3e 275 if (strstr(fParam.Data(),"file") ) {
276 fD.Set(fNofMaps);
277 fT1.Set(fNofMaps);
278 if (strstr(kopt,"2D")) {
279 fT2.Set(fNofMaps);
280 fTol.Set(0);
281 Init2D(); // desactivate if param change module by module
282 } else if(strstr(kopt,"1D")) {
283 fT2.Set(2);
284 fTol.Set(2);
285 Init1D(); // desactivate if param change module by module
286 } // end if strstr
287 } else {
288 fD.Set(2);
289 fTol.Set(2);
290 fT1.Set(2);
291 fT2.Set(2);
292 SetCompressParam();
293 } // end if else strstr
294
8ba39da9 295 Bool_t write = res->OutputOption();
aacedc3e 296 if(write && strstr(kopt,"2D")) MakeTreeB();
297
298 // call here if baseline does not change by module
299 // ReadBaseline();
300
301 fITS = (AliITS*)gAlice->GetModule("ITS");
302 Int_t size = fNofMaps*fMaxNofSamples;
303 fStream = new AliITSInStream(size);
304
305 fInZR = new Double_t [fScaleSize*fMaxNofSamples];
306 fInZI = new Double_t [fScaleSize*fMaxNofSamples];
307 fOutZR = new Double_t [fScaleSize*fMaxNofSamples];
308 fOutZI = new Double_t [fScaleSize*fMaxNofSamples];
b0f5e3fc 309}
8a33ae9e 310//______________________________________________________________________
b0f5e3fc 311AliITSsimulationSDD::~AliITSsimulationSDD() {
aacedc3e 312 // destructor
313
314 // delete fpList;
315 delete fHitSigMap2;
316 delete fHitNoiMap2;
317 delete fStream;
318 delete fElectronics;
319
320 fITS = 0;
321
322 if (fHis) {
323 fHis->Delete();
324 delete fHis;
325 } // end if fHis
326 if(fTreeB) delete fTreeB;
327 if(fInZR) delete [] fInZR;
328 if(fInZI) delete [] fInZI;
329 if(fOutZR) delete [] fOutZR;
330 if(fOutZI) delete [] fOutZI;
331 if(fAnodeFire) delete [] fAnodeFire;
b0f5e3fc 332}
8a33ae9e 333//______________________________________________________________________
50d05d7b 334void AliITSsimulationSDD::InitSimulationModule( Int_t module, Int_t event ) {
aacedc3e 335 // create maps to build the lists of tracks for each summable digit
336 fModule = module;
337 fEvent = event;
338 ClearMaps();
339 memset(fAnodeFire,0,sizeof(Bool_t)*fNofMaps);
50d05d7b 340}
341//______________________________________________________________________
342void AliITSsimulationSDD::ClearMaps() {
aacedc3e 343 // clear maps
344 fpList->ClearMap();
345 fHitSigMap2->ClearMap();
346 fHitNoiMap2->ClearMap();
50d05d7b 347}
348//______________________________________________________________________
aacedc3e 349void AliITSsimulationSDD::SDigitiseModule(AliITSmodule *mod,Int_t md,Int_t ev){
350 // digitize module using the "slow" detector simulator creating
351 // summable digits.
352
353 TObjArray *fHits = mod->GetHits();
354 Int_t nhits = fHits->GetEntriesFast();
355 if( !nhits ) return;
356
357 InitSimulationModule( md, ev );
358 HitsToAnalogDigits( mod );
8ba39da9 359 ChargeToSignal( fModule,kFALSE ); // - Process signal without add noise
aacedc3e 360 fHitMap2 = fHitNoiMap2; // - Swap to noise map
8ba39da9 361 ChargeToSignal( fModule,kTRUE ); // - Process only noise
aacedc3e 362 fHitMap2 = fHitSigMap2; // - Return to signal map
363 WriteSDigits();
364 ClearMaps();
50d05d7b 365}
366//______________________________________________________________________
aacedc3e 367Bool_t AliITSsimulationSDD::AddSDigitsToModule(TClonesArray *pItemArray,
368 Int_t mask ) {
369 // Add Summable digits to module maps.
fcf95fc7 370 AliITSCalibrationSDD* res = (AliITSCalibrationSDD*)GetCalibrationModel(fDetType->GetITSgeom()->GetStartSDD());
aacedc3e 371 Int_t nItems = pItemArray->GetEntries();
fcf95fc7 372 Double_t maxadc = res->GetMaxAdc();
aacedc3e 373 Bool_t sig = kFALSE;
48058160 374
aacedc3e 375 // cout << "Adding "<< nItems <<" SDigits to module " << fModule << endl;
376 for( Int_t i=0; i<nItems; i++ ) {
377 AliITSpListItem * pItem = (AliITSpListItem *)(pItemArray->At( i ));
378 if( pItem->GetModule() != fModule ) {
379 Error( "AliITSsimulationSDD","Error reading, SDigits module "
380 "%d != current module %d: exit",
381 pItem->GetModule(), fModule );
382 return sig;
383 } // end if
384
385 if(pItem->GetSignal()>0.0 ) sig = kTRUE;
43217ad9 386
aacedc3e 387 fpList->AddItemTo( mask, pItem ); // Add SignalAfterElect + noise
388 AliITSpListItem * pItem2 = fpList->GetpListItem( pItem->GetIndex() );
389 Double_t sigAE = pItem2->GetSignalAfterElect();
390 if( sigAE >= maxadc ) sigAE = maxadc-1; // avoid overflow signal
391 Int_t ia;
392 Int_t it;
393 fpList->GetMapIndex( pItem->GetIndex(), ia, it );
394 fHitMap2->SetHit( ia, it, sigAE );
395 fAnodeFire[ia] = kTRUE;
396 }
397 return sig;
48058160 398}
50d05d7b 399//______________________________________________________________________
400void AliITSsimulationSDD::FinishSDigitiseModule() {
aacedc3e 401 // digitize module using the "slow" detector simulator from
402 // the sum of summable digits.
403 FinishDigits() ;
404 ClearMaps();
c7a4dac0 405}
406//______________________________________________________________________
b0f5e3fc 407void AliITSsimulationSDD::DigitiseModule(AliITSmodule *mod,Int_t md,Int_t ev){
aacedc3e 408 // create maps to build the lists of tracks for each digit
b0f5e3fc 409
aacedc3e 410 TObjArray *fHits = mod->GetHits();
411 Int_t nhits = fHits->GetEntriesFast();
8a33ae9e 412
aacedc3e 413 InitSimulationModule( md, ev );
50d05d7b 414
aacedc3e 415 if( !nhits && fCheckNoise ) {
8ba39da9 416 ChargeToSignal( fModule,kTRUE ); // process noise
aacedc3e 417 GetNoise();
418 ClearMaps();
419 return;
420 } else
421 if( !nhits ) return;
48058160 422
aacedc3e 423 HitsToAnalogDigits( mod );
8ba39da9 424 ChargeToSignal( fModule,kTRUE ); // process signal + noise
aacedc3e 425
426 for( Int_t i=0; i<fNofMaps; i++ ) {
427 for( Int_t j=0; j<fMaxNofSamples; j++ ) {
428 Int_t jdx = j*fScaleSize;
429 Int_t index = fpList->GetHitIndex( i, j );
430 AliITSpListItem pItemTmp2( fModule, index, 0. );
431 // put the fScaleSize analog digits in only one
432 for( Int_t ik=0; ik<fScaleSize; ik++ ) {
433 AliITSpListItem *pItemTmp = fpList->GetpListItem( i, jdx+ik );
434 if( pItemTmp == 0 ) continue;
435 pItemTmp2.Add( pItemTmp );
436 }
437 fpList->DeleteHit( i, j );
438 fpList->AddItemTo( 0, &pItemTmp2 );
439 }
48058160 440 }
aacedc3e 441 FinishDigits();
442 ClearMaps();
c7a4dac0 443}
444//______________________________________________________________________
50d05d7b 445void AliITSsimulationSDD::FinishDigits() {
aacedc3e 446 // introduce the electronics effects and do zero-suppression if required
8a33ae9e 447
8ba39da9 448 ApplyDeadChannels(fModule);
449 if( fCrosstalkFlag ) ApplyCrosstalk(fModule);
50d05d7b 450
fcf95fc7 451 AliITSCalibrationSDD* res = (AliITSCalibrationSDD*)GetCalibrationModel(fDetType->GetITSgeom()->GetStartSDD());
452 const char *kopt = res->GetZeroSuppOption();
aacedc3e 453 ZeroSuppression( kopt );
c7a4dac0 454}
455//______________________________________________________________________
50d05d7b 456void AliITSsimulationSDD::HitsToAnalogDigits( AliITSmodule *mod ) {
aacedc3e 457 // create maps to build the lists of tracks for each digit
458
8ba39da9 459 AliITSsegmentationSDD* seg = (AliITSsegmentationSDD*)GetSegmentationModel(1);
fcf95fc7 460 AliITSCalibrationSDD* res = (AliITSCalibrationSDD*)GetCalibrationModel(fDetType->GetITSgeom()->GetStartSDD());
8ba39da9 461 TObjArray *hits = mod->GetHits();
aacedc3e 462 Int_t nhits = hits->GetEntriesFast();
8ba39da9 463
aacedc3e 464 // Int_t arg[6] = {0,0,0,0,0,0};
465 Int_t dummy = 0;
466 Int_t nofAnodes = fNofMaps/2;
8ba39da9 467 Float_t sddLength = seg->Dx();
468 Float_t sddWidth = seg->Dz();
469 Float_t anodePitch = seg->Dpz(dummy);
470 Float_t timeStep = seg->Dpx(dummy);
fcf95fc7 471 Float_t driftSpeed = res->GetDriftSpeed();
472 Float_t maxadc = res->GetMaxAdc();
473 Float_t topValue = res->GetDynamicRange();
474 Float_t cHloss = res->GetChargeLoss();
aacedc3e 475 Float_t norm = maxadc/topValue;
fcf95fc7 476 Float_t dfCoeff, s1; res->DiffCoeff(dfCoeff,s1); // Signal 2d Shape
8ba39da9 477 Double_t eVpairs = res->GetGeVToCharge()*1.0E9; // 3.6 eV by def.
fcf95fc7 478 Float_t nsigma = res->GetNSigmaIntegration(); //
479 Int_t nlookups = res->GetGausNLookUp(); //
480 Float_t jitter = res->GetJitterError(); //
aacedc3e 481
482 // Piergiorgio's part (apart for few variables which I made float
483 // when i thought that can be done
484 // Fill detector maps with GEANT hits
485 // loop over hits in the module
486
487 const Float_t kconv = 1.0e+6; // GeV->KeV
488 Int_t itrack = 0;
489 Int_t hitDetector; // detector number (lay,lad,hitDetector)
490 Int_t iWing; // which detector wing/side.
491 Int_t detector; // 2*(detector-1)+iWing
492 Int_t ii,kk,ka,kt; // loop indexs
493 Int_t ia,it,index; // sub-pixel integration indexies
494 Int_t iAnode; // anode number.
495 Int_t timeSample; // time buckett.
496 Int_t anodeWindow; // anode direction charge integration width
497 Int_t timeWindow; // time direction charge integration width
498 Int_t jamin,jamax; // anode charge integration window
499 Int_t jtmin,jtmax; // time charge integration window
500 Int_t ndiv; // Anode window division factor.
501 Int_t nsplit; // the number of splits in anode and time windows==1.
502 Int_t nOfSplits; // number of times track length is split into
503 Float_t nOfSplitsF; // Floating point version of nOfSplits.
504 Float_t kkF; // Floating point version of loop index kk.
505 Float_t pathInSDD; // Track length in SDD.
506 Float_t drPath; // average position of track in detector. in microns
507 Float_t drTime; // Drift time
508 Float_t nmul; // drift time window multiplication factor.
509 Float_t avDrft; // x position of path length segment in cm.
510 Float_t avAnode; // Anode for path length segment in Anode number (float)
511 Float_t xAnode; // Floating point anode number.
512 Float_t driftPath; // avDrft in microns.
513 Float_t width; // width of signal at anodes.
514 Double_t depEnergy; // Energy deposited in this GEANT step.
515 Double_t xL[3],dxL[3]; // local hit coordinates and diff.
516 Double_t sigA; // sigma of signal at anode.
517 Double_t sigT; // sigma in time/drift direction for track segment
518 Double_t aStep,aConst; // sub-pixel size and offset anode
519 Double_t tStep,tConst; // sub-pixel size and offset time
520 Double_t amplitude; // signal amplitude for track segment in nanoAmpere
521 Double_t chargeloss; // charge loss for track segment.
522 Double_t anodeAmplitude; // signal amplitude in anode direction
523 Double_t aExpo; // exponent of Gaussian anode direction
524 Double_t timeAmplitude; // signal amplitude in time direction
525 Double_t tExpo; // exponent of Gaussian time direction
526 // Double_t tof; // Time of flight in ns of this step.
527
528 for(ii=0; ii<nhits; ii++) {
529 if(!mod->LineSegmentL(ii,xL[0],dxL[0],xL[1],dxL[1],xL[2],dxL[2],
530 depEnergy,itrack)) continue;
531 xL[0] += 0.0001*gRandom->Gaus( 0, jitter ); //
532 depEnergy *= kconv;
533 hitDetector = mod->GetDet();
534 //tof = 1.E+09*(mod->GetHit(ii)->GetTOF()); // tof in ns.
535 //if(tof>sddLength/driftSpeed) continue; // hit happed too late.
536
537 // scale path to simulate a perpendicular track
538 // continue if the particle did not lose energy
539 // passing through detector
540 if (!depEnergy) {
f77f13c8 541 AliDebug(1,
542 Form("fTrack = %d hit=%d module=%d This particle has passed without losing energy!",
543 itrack,ii,mod->GetIndex()));
aacedc3e 544 continue;
545 } // end if !depEnergy
546
547 pathInSDD = TMath::Sqrt(dxL[0]*dxL[0]+dxL[1]*dxL[1]+dxL[2]*dxL[2]);
548
549 if (fFlag && pathInSDD) { depEnergy *= (0.03/pathInSDD); }
550 drPath = 10000.*(dxL[0]+2.*xL[0])*0.5;
551 if(drPath < 0) drPath = -drPath;
552 drPath = sddLength-drPath;
553 if(drPath < 0) {
f77f13c8 554 AliDebug(1, // this should be fixed at geometry level
555 Form("negative drift path drPath=%e sddLength=%e dxL[0]=%e xL[0]=%e",
556 drPath,sddLength,dxL[0],xL[0]));
aacedc3e 557 continue;
558 } // end if drPath < 0
559
560 // Compute number of segments to brake step path into
561 drTime = drPath/driftSpeed; // Drift Time
562 sigA = TMath::Sqrt(2.*dfCoeff*drTime+s1*s1);// Sigma along the anodes
563 // calcuate the number of time the path length should be split into.
564 nOfSplits = (Int_t) (1. + 10000.*pathInSDD/sigA);
565 if(fFlag) nOfSplits = 1;
566
567 // loop over path segments, init. some variables.
568 depEnergy /= nOfSplits;
569 nOfSplitsF = (Float_t) nOfSplits;
570 for(kk=0;kk<nOfSplits;kk++) { // loop over path segments
571 kkF = (Float_t) kk + 0.5;
572 avDrft = xL[0]+dxL[0]*kkF/nOfSplitsF;
573 avAnode = xL[2]+dxL[2]*kkF/nOfSplitsF;
574 driftPath = 10000.*avDrft;
575
576 iWing = 2; // Assume wing is 2
577 if(driftPath < 0) { // if wing is not 2 it is 1.
578 iWing = 1;
579 driftPath = -driftPath;
580 } // end if driftPath < 0
581 driftPath = sddLength-driftPath;
582 detector = 2*(hitDetector-1) + iWing;
583 if(driftPath < 0) {
f77f13c8 584 AliDebug(1, // this should be fixed at geometry level
585 Form("negative drift path driftPath=%e sddLength=%e avDrft=%e dxL[0]=%e xL[0]=%e",
586 driftPath,sddLength,avDrft,dxL[0],xL[0]));
aacedc3e 587 continue;
588 } // end if driftPath < 0
589
590 // Drift Time
591 drTime = driftPath/driftSpeed; // drift time for segment.
592 timeSample = (Int_t) (fScaleSize*drTime/timeStep + 1);
593 // compute time Sample including tof information. The tof only
594 // effects the time of the signal is recoreded and not the
595 // the defusion.
596 // timeSample = (Int_t) (fScaleSize*(drTime+tof)/timeStep + 1);
597 if(timeSample > fScaleSize*fMaxNofSamples) {
598 Warning("HitsToAnalogDigits","Wrong Time Sample: %e",
599 timeSample);
600 continue;
601 } // end if timeSample > fScaleSize*fMaxNoofSamples
602
603 // Anode
604 xAnode = 10000.*(avAnode)/anodePitch + nofAnodes/2; // +1?
605 if(xAnode*anodePitch > sddWidth || xAnode*anodePitch < 0.)
606 Warning("HitsToAnalogDigits",
607 "Exceedubg sddWidth=%e Z = %e",
608 sddWidth,xAnode*anodePitch);
609 iAnode = (Int_t) (1.+xAnode); // xAnode?
610 if(iAnode < 1 || iAnode > nofAnodes) {
611 Warning("HitToAnalogDigits","Wrong iAnode: 1<%d>%d",
612 iAnode,nofAnodes);
613 continue;
614 } // end if iAnode < 1 || iAnode > nofAnodes
615
616 // store straight away the particle position in the array
617 // of particles and take idhit=ii only when part is entering (this
618 // requires FillModules() in the macro for analysis) :
b0f5e3fc 619
aacedc3e 620 // Sigma along the anodes for track segment.
621 sigA = TMath::Sqrt(2.*dfCoeff*drTime+s1*s1);
622 sigT = sigA/driftSpeed;
623 // Peak amplitude in nanoAmpere
624 amplitude = fScaleSize*160.*depEnergy/
625 (timeStep*eVpairs*2.*acos(-1.)*sigT*sigA);
626 amplitude *= timeStep/25.; // WARNING!!!!! Amplitude scaling to
627 // account for clock variations
628 // (reference value: 40 MHz)
629 chargeloss = 1.-cHloss*driftPath/1000;
630 amplitude *= chargeloss;
631 width = 2.*nsigma/(nlookups-1);
632 // Spread the charge
633 // Pixel index
634 ndiv = 2;
635 nmul = 3.;
636 if(drTime > 1200.) {
637 ndiv = 4;
638 nmul = 1.5;
639 } // end if drTime > 1200.
640 // Sub-pixel index
641 nsplit = 4; // hard-wired //nsplit=4;nsplit = (nsplit+1)/2*2;
642 // Sub-pixel size see computation of aExpo and tExpo.
643 aStep = anodePitch/(nsplit*fScaleSize*sigA);
644 aConst = xAnode*anodePitch/sigA;
645 tStep = timeStep/(nsplit*fScaleSize*sigT);
646 tConst = drTime/sigT;
647 // Define SDD window corresponding to the hit
648 anodeWindow = (Int_t)(fScaleSize*nsigma*sigA/anodePitch+1);
649 timeWindow = (Int_t) (fScaleSize*nsigma*sigT/timeStep+1.);
650 jamin = (iAnode - anodeWindow/ndiv - 1)*fScaleSize*nsplit +1;
651 jamax = (iAnode + anodeWindow/ndiv)*fScaleSize*nsplit;
652 if(jamin <= 0) jamin = 1;
653 if(jamax > fScaleSize*nofAnodes*nsplit)
654 jamax = fScaleSize*nofAnodes*nsplit;
655 // jtmin and jtmax are Hard-wired
656 jtmin = (Int_t)(timeSample-timeWindow*nmul-1)*nsplit+1;
657 jtmax = (Int_t)(timeSample+timeWindow*nmul)*nsplit;
658 if(jtmin <= 0) jtmin = 1;
659 if(jtmax > fScaleSize*fMaxNofSamples*nsplit)
660 jtmax = fScaleSize*fMaxNofSamples*nsplit;
661 // Spread the charge in the anode-time window
662 for(ka=jamin; ka <=jamax; ka++) {
663 ia = (ka-1)/(fScaleSize*nsplit) + 1;
664 if(ia <= 0) {
665 Warning("HitsToAnalogDigits","ia < 1: ");
666 continue;
667 } // end if
668 if(ia > nofAnodes) ia = nofAnodes;
669 aExpo = (aStep*(ka-0.5)-aConst);
670 if(TMath::Abs(aExpo) > nsigma) anodeAmplitude = 0.;
671 else {
672 dummy = (Int_t) ((aExpo+nsigma)/width);
fcf95fc7 673 anodeAmplitude = amplitude*res->GetGausLookUp(dummy);
aacedc3e 674 } // end if TMath::Abs(aEspo) > nsigma
675 // index starts from 0
676 index = ((detector+1)%2)*nofAnodes+ia-1;
677 if(anodeAmplitude) for(kt=jtmin; kt<=jtmax; kt++) {
678 it = (kt-1)/nsplit+1; // it starts from 1
679 if(it<=0){
680 Warning("HitsToAnalogDigits","it < 1:");
681 continue;
682 } // end if
683 if(it>fScaleSize*fMaxNofSamples)
684 it = fScaleSize*fMaxNofSamples;
685 tExpo = (tStep*(kt-0.5)-tConst);
686 if(TMath::Abs(tExpo) > nsigma) timeAmplitude = 0.;
687 else {
688 dummy = (Int_t) ((tExpo+nsigma)/width);
689 timeAmplitude = anodeAmplitude*
fcf95fc7 690 res->GetGausLookUp(dummy);
aacedc3e 691 } // end if TMath::Abs(tExpo) > nsigma
692 // build the list of Sdigits for this module
693 // arg[0] = index;
694 // arg[1] = it;
695 // arg[2] = itrack; // track number
696 // arg[3] = ii-1; // hit number.
697 timeAmplitude *= norm;
698 timeAmplitude *= 10;
699 // ListOfFiredCells(arg,timeAmplitude,alst,padr);
700 Double_t charge = timeAmplitude;
701 charge += fHitMap2->GetSignal(index,it-1);
702 fHitMap2->SetHit(index, it-1, charge);
703 fpList->AddSignal(index,it-1,itrack,ii-1,
704 mod->GetIndex(),timeAmplitude);
705 fAnodeFire[index] = kTRUE;
706 } // end if anodeAmplitude and loop over time in window
707 } // loop over anodes in window
708 } // end loop over "sub-hits"
709 } // end loop over hits
b0f5e3fc 710}
50d05d7b 711/*
8a33ae9e 712//______________________________________________________________________
b0f5e3fc 713void AliITSsimulationSDD::ListOfFiredCells(Int_t *arg,Double_t timeAmplitude,
3d2c9d72 714 TObjArray *alist,TClonesArray *padr){
aacedc3e 715 // Returns the list of "fired" cells.
716
717 Int_t index = arg[0];
718 Int_t ik = arg[1];
719 Int_t idtrack = arg[2];
720 Int_t idhit = arg[3];
721 Int_t counter = arg[4];
722 Int_t countadr = arg[5];
723 Double_t charge = timeAmplitude;
724 charge += fHitMap2->GetSignal(index,ik-1);
725 fHitMap2->SetHit(index, ik-1, charge);
726
727 Int_t digits[3];
728 Int_t it = (Int_t)((ik-1)/fScaleSize);
729 digits[0] = index;
730 digits[1] = it;
731 digits[2] = (Int_t)timeAmplitude;
732 Float_t phys;
733 if (idtrack >= 0) phys = (Float_t)timeAmplitude;
734 else phys = 0;
735
736 Double_t cellcharge = 0.;
737 AliITSTransientDigit* pdigit;
738 // build the list of fired cells and update the info
739 if (!fHitMap1->TestHit(index, it)) {
740 new((*padr)[countadr++]) TVector(3);
741 TVector &trinfo=*((TVector*) (*padr)[countadr-1]);
742 trinfo(0) = (Float_t)idtrack;
743 trinfo(1) = (Float_t)idhit;
744 trinfo(2) = (Float_t)timeAmplitude;
745
746 alist->AddAtAndExpand(new AliITSTransientDigit(phys,digits),counter);
747 fHitMap1->SetHit(index, it, counter);
748 counter++;
749 pdigit=(AliITSTransientDigit*)alist->At(alist->GetLast());
750 // list of tracks
751 TObjArray *trlist=(TObjArray*)pdigit->TrackList();
752 trlist->Add(&trinfo);
753 } else {
754 pdigit = (AliITSTransientDigit*) fHitMap1->GetHit(index, it);
755 for(Int_t kk=0;kk<fScaleSize;kk++) {
756 cellcharge += fHitMap2->GetSignal(index,fScaleSize*it+kk);
757 } // end for kk
758 // update charge
759 (*pdigit).fSignal = (Int_t)cellcharge;
760 (*pdigit).fPhysics += phys;
761 // update list of tracks
762 TObjArray* trlist = (TObjArray*)pdigit->TrackList();
763 Int_t lastentry = trlist->GetLast();
764 TVector *ptrkp = (TVector*)trlist->At(lastentry);
765 TVector &trinfo = *ptrkp;
766 Int_t lasttrack = Int_t(trinfo(0));
767 Float_t lastcharge=(trinfo(2));
768 if (lasttrack==idtrack ) {
769 lastcharge += (Float_t)timeAmplitude;
770 trlist->RemoveAt(lastentry);
771 trinfo(0) = lasttrack;
772 trinfo(1) = idhit;
773 trinfo(2) = lastcharge;
774 trlist->AddAt(&trinfo,lastentry);
775 } else {
776 new((*padr)[countadr++]) TVector(3);
777 TVector &trinfo=*((TVector*) (*padr)[countadr-1]);
778 trinfo(0) = (Float_t)idtrack;
779 trinfo(1) = (Float_t)idhit;
780 trinfo(2) = (Float_t)timeAmplitude;
781 trlist->Add(&trinfo);
782 } // end if lasttrack==idtrack
783
f77f13c8 784 if(AliDebugLevel()){
aacedc3e 785 // check the track list - debugging
786 Int_t trk[20], htrk[20];
787 Float_t chtrk[20];
788 Int_t nptracks = trlist->GetEntriesFast();
789 if (nptracks > 2) {
790 Int_t tr;
791 for (tr=0;tr<nptracks;tr++) {
792 TVector *pptrkp = (TVector*)trlist->At(tr);
793 TVector &pptrk = *pptrkp;
794 trk[tr] = Int_t(pptrk(0));
795 htrk[tr] = Int_t(pptrk(1));
796 chtrk[tr] = (pptrk(2));
797 cout << "nptracks "<<nptracks << endl;
798 } // end for tr
799 } // end if nptracks
f77f13c8 800 } // end if AliDebugLevel()
aacedc3e 801 } // end if pdigit
802
803 // update counter and countadr for next call.
804 arg[4] = counter;
805 arg[5] = countadr;
b0f5e3fc 806}
50d05d7b 807*/
b0f5e3fc 808//____________________________________________
50d05d7b 809void AliITSsimulationSDD::AddDigit( Int_t i, Int_t j, Int_t signal ) {
aacedc3e 810 // Adds a Digit.
811 Int_t size = AliITSdigitSPD::GetNTracks();
812 Int_t digits[3];
813 Int_t * tracks = new Int_t[size];
814 Int_t * hits = new Int_t[size];
815 Float_t phys;
816 Float_t * charges = new Float_t[size];
817
818 digits[0] = i;
819 digits[1] = j;
820 digits[2] = signal;
821
822 AliITSpListItem *pItem = fpList->GetpListItem( i, j );
823 if( pItem == 0 ) {
824 phys = 0.0;
825 for( Int_t l=0; l<size; l++ ) {
826 tracks[l] = 0;
827 hits[l] = 0;
828 charges[l] = 0.0;
829 }
830 } else {
831 Int_t idtrack = pItem->GetTrack( 0 );
832 if( idtrack >= 0 ) phys = pItem->GetSignal();
833 else phys = 0.0;
834
835 for( Int_t l=0; l<size; l++ ) if(l<pItem->GetMaxKept()) {
836 tracks[l] = pItem->GetTrack( l );
837 hits[l] = pItem->GetHit( l );
838 charges[l] = pItem->GetSignal( l );
839 }else{
840 tracks[l] = -3;
841 hits[l] = -1;
842 charges[l] = 0.0;
843 }// end for if
50d05d7b 844 }
50d05d7b 845
aacedc3e 846 fITS->AddSimDigit( 1, phys, digits, tracks, hits, charges );
847 delete [] tracks;
848 delete [] hits;
849 delete [] charges;
850}
8a33ae9e 851//______________________________________________________________________
8ba39da9 852void AliITSsimulationSDD::ChargeToSignal(Int_t mod,Bool_t bAddNoise) {
aacedc3e 853 // add baseline, noise, electronics and ADC saturation effects
854
855 char opt1[20], opt2[20];
fcf95fc7 856 AliITSCalibrationSDD* res = (AliITSCalibrationSDD*)GetCalibrationModel(mod);
8ba39da9 857
fcf95fc7 858 res->GetParamOptions(opt1,opt2);
aacedc3e 859 char *read = strstr(opt1,"file");
860 Double_t baseline, noise;
861
862 if (read) {
863 static Bool_t readfile=kTRUE;
864 //read baseline and noise from file
865 if (readfile) ReadBaseline();
866 readfile=kFALSE;
8ba39da9 867 } else res->GetNoiseParam(noise,baseline);
aacedc3e 868
869 Float_t contrib=0;
870 Int_t i,k,kk;
fcf95fc7 871 Float_t maxadc = res->GetMaxAdc();
aacedc3e 872 if(!fDoFFT) {
873 for (i=0;i<fNofMaps;i++) {
874 if( !fAnodeFire[i] ) continue;
875 if (read && i<fNofMaps) GetAnodeBaseline(i,baseline,noise);
876 for(k=0; k<fScaleSize*fMaxNofSamples; k++) {
877 fInZR[k] = fHitMap2->GetSignal(i,k);
878 if( bAddNoise ) {
879 contrib = (baseline + noise*gRandom->Gaus());
880 fInZR[k] += contrib;
881 }
882 } // end for k
883 for(k=0; k<fMaxNofSamples; k++) {
884 Double_t newcont = 0.;
885 Double_t maxcont = 0.;
886 for(kk=0;kk<fScaleSize;kk++) {
887 newcont = fInZR[fScaleSize*k+kk];
888 if(newcont > maxcont) maxcont = newcont;
889 } // end for kk
890 newcont = maxcont;
891 if (newcont >= maxadc) newcont = maxadc -1;
892 if(newcont >= baseline){
893 Warning("","newcont=%d>=baseline=%d",newcont,baseline);
894 } // end if
895 // back to analog: ?
896 fHitMap2->SetHit(i,k,newcont);
897 } // end for k
898 } // end for i loop over anodes
899 return;
900 } // end if DoFFT
901
ece86d9a 902 for (i=0;i<fNofMaps;i++) {
aacedc3e 903 if( !fAnodeFire[i] ) continue;
904 if (read && i<fNofMaps) GetAnodeBaseline(i,baseline,noise);
905 for(k=0; k<fScaleSize*fMaxNofSamples; k++) {
906 fInZR[k] = fHitMap2->GetSignal(i,k);
907 if( bAddNoise ) {
908 contrib = (baseline + noise*gRandom->Gaus());
909 fInZR[k] += contrib;
910 }
911 fInZI[k] = 0.;
912 } // end for k
913 FastFourierTransform(fElectronics,&fInZR[0],&fInZI[0],1);
914 for(k=0; k<fScaleSize*fMaxNofSamples; k++) {
915 Double_t rw = fElectronics->GetTraFunReal(k);
916 Double_t iw = fElectronics->GetTraFunImag(k);
917 fOutZR[k] = fInZR[k]*rw - fInZI[k]*iw;
918 fOutZI[k] = fInZR[k]*iw + fInZI[k]*rw;
919 } // end for k
920 FastFourierTransform(fElectronics,&fOutZR[0],&fOutZI[0],-1);
921 for(k=0; k<fMaxNofSamples; k++) {
922 Double_t newcont1 = 0.;
923 Double_t maxcont1 = 0.;
924 for(kk=0;kk<fScaleSize;kk++) {
925 newcont1 = fOutZR[fScaleSize*k+kk];
926 if(newcont1 > maxcont1) maxcont1 = newcont1;
927 } // end for kk
928 newcont1 = maxcont1;
929 if (newcont1 >= maxadc) newcont1 = maxadc -1;
930 fHitMap2->SetHit(i,k,newcont1);
931 } // end for k
8a33ae9e 932 } // end for i loop over anodes
3d2c9d72 933 return;
b0f5e3fc 934}
50d05d7b 935//____________________________________________________________________
8ba39da9 936void AliITSsimulationSDD::ApplyDeadChannels(Int_t mod) {
aacedc3e 937 // Set dead channel signal to zero
fcf95fc7 938 AliITSCalibrationSDD * response = (AliITSCalibrationSDD *)GetCalibrationModel(mod);
8ba39da9 939 AliITSsegmentationSDD* seg = (AliITSsegmentationSDD*)GetSegmentationModel(1);
aacedc3e 940 // nothing to do
8ba39da9 941 if( response->IsDead() ||
942 ( response->GetDeadChips() == 0 &&
943 response->GetDeadChannels() == 0 ) ) return;
50d05d7b 944
8ba39da9 945 // static AliITS *iTS = (AliITS*)gAlice->GetModule( "ITS" );
aacedc3e 946
8ba39da9 947 Int_t fMaxNofSamples = seg->Npx();
948 // AliITSgeom *geom = iTS->GetITSgeom();
949 // Int_t firstSDDMod = geom->GetStartDet( 1 );
aacedc3e 950 // loop over wings
951 for( Int_t j=0; j<2; j++ ) {
8ba39da9 952 // Int_t mod = (fModule-firstSDDMod)*2 + j;
953 for( Int_t u=0; u<response->Chips(); u++ )
954 for( Int_t v=0; v<response->Channels(); v++ ) {
955 Float_t gain = response->Gain(j, u, v );
956 for( Int_t k=0; k<fMaxNofSamples; k++ ) {
957 Int_t i = j*response->Chips()*response->Channels() +
958 u*response->Channels() +
959 v;
960 Double_t signal = gain * fHitMap2->GetSignal( i, k );
961 fHitMap2->SetHit( i, k, signal ); ///
962 }
963 }
964 }
50d05d7b 965}
966//______________________________________________________________________
8ba39da9 967void AliITSsimulationSDD::ApplyCrosstalk(Int_t mod) {
aacedc3e 968 // function add the crosstalk effect to signal
969 // temporal function, should be checked...!!!
8ba39da9 970 AliITSsegmentationSDD* seg = (AliITSsegmentationSDD*)GetSegmentationModel(1);
971
972 Int_t fNofMaps = seg->Npz();
973 Int_t fMaxNofSamples = seg->Npx();
aacedc3e 974
975 // create and inizialice crosstalk map
976 Float_t* ctk = new Float_t[fNofMaps*fMaxNofSamples+1];
977 if( ctk == NULL ) {
978 Error( "ApplyCrosstalk", "no memory for temporal map: exit \n" );
979 return;
980 }
981 memset( ctk, 0, sizeof(Float_t)*(fNofMaps*fMaxNofSamples+1) );
fcf95fc7 982 AliITSCalibrationSDD* res = (AliITSCalibrationSDD*)GetCalibrationModel(mod);
aacedc3e 983
984 Double_t noise, baseline;
8ba39da9 985 res->GetNoiseParam( noise, baseline );
aacedc3e 986 for( Int_t z=0; z<fNofMaps; z++ ) {
987 Bool_t on = kFALSE;
988 Int_t tstart = 0;
989 Int_t tstop = 0;
990 Int_t nTsteps = 0;
50d05d7b 991
aacedc3e 992 for( Int_t l=0; l<fMaxNofSamples; l++ ) {
993 Float_t fadc = (Float_t)fHitMap2->GetSignal( z, l );
994 if( fadc > baseline ) {
995 if( on == kFALSE && l<fMaxNofSamples-4 ) {
996 Float_t fadc1 = (Float_t)fHitMap2->GetSignal( z, l+1 );
997 if( fadc1 < fadc ) continue;
998 on = kTRUE;
999 nTsteps = 0;
1000 tstart = l;
1001 }
1002 nTsteps++;
1003 }
1004 else { // end fadc > baseline
1005 if( on == kTRUE ) {
1006 if( nTsteps > 2 ) {
1007 tstop = l;
1008 // make smooth derivative
1009 Float_t* dev = new Float_t[fMaxNofSamples+1];
1010 memset( dev, 0, sizeof(Float_t)*(fMaxNofSamples+1) );
1011 if( ctk == NULL ) {
1012 Error( "ApplyCrosstalk",
1013 "no memory for temporal array: exit \n" );
1014 return;
1015 }
1016 for( Int_t i=tstart; i<tstop; i++ ) {
1017 if( i > 2 && i < fMaxNofSamples-2 )
1018 dev[i] = -0.2*fHitMap2->GetSignal( z,i-2 )
1019 -0.1*fHitMap2->GetSignal( z,i-1 )
1020 +0.1*fHitMap2->GetSignal( z,i+1 )
1021 +0.2*fHitMap2->GetSignal( z,i+2 );
1022 }
50d05d7b 1023
aacedc3e 1024 // add crosstalk contribution to neibourg anodes
1025 for( Int_t i=tstart; i<tstop; i++ ) {
1026 Int_t anode = z - 1;
1027 Int_t i1 = (Int_t)((i-tstart)*.61+tstart+0.5); //
1028 Float_t ctktmp = -dev[i1] * 0.25;
1029 if( anode > 0 ) {
1030 ctk[anode*fMaxNofSamples+i] += ctktmp;
1031 }
1032 anode = z + 1;
1033 if( anode < fNofMaps ) {
1034 ctk[anode*fMaxNofSamples+i] += ctktmp;
1035 }
1036 }
1037 delete [] dev;
50d05d7b 1038
aacedc3e 1039 } // if( nTsteps > 2 )
1040 on = kFALSE;
1041 } // if( on == kTRUE )
1042 } // else
1043 }
3d2c9d72 1044 }
50d05d7b 1045
aacedc3e 1046 for( Int_t a=0; a<fNofMaps; a++ )
1047 for( Int_t t=0; t<fMaxNofSamples; t++ ) {
1048 Float_t signal = fHitMap2->GetSignal(a,t)+ctk[a*fMaxNofSamples+t];
1049 fHitMap2->SetHit( a, t, signal );
1050 }
1051
1052 delete [] ctk;
50d05d7b 1053}
8a33ae9e 1054//______________________________________________________________________
aacedc3e 1055void AliITSsimulationSDD::GetAnodeBaseline(Int_t i,Double_t &baseline,
8ba39da9 1056 Double_t &noise) const{
aacedc3e 1057 // Returns the Baseline for a particular anode.
1058 baseline = fBaseline[i];
1059 noise = fNoise[i];
b0f5e3fc 1060}
8a33ae9e 1061//______________________________________________________________________
b0f5e3fc 1062void AliITSsimulationSDD::CompressionParam(Int_t i,Int_t &db,Int_t &tl,
1063 Int_t &th){
aacedc3e 1064 // Returns the compression alogirthm parameters
1065 Int_t size = fD.GetSize();
1066 if (size > 2 ) {
1067 db=fD[i]; tl=fT1[i]; th=fT2[i];
8a33ae9e 1068 } else {
aacedc3e 1069 if (size <= 2 && i>=fNofMaps/2) {
1070 db=fD[1]; tl=fT1[1]; th=fT2[1];
1071 } else {
1072 db=fD[0]; tl=fT1[0]; th=fT2[0];
1073 } // end if size <=2 && i>=fNofMaps/2
1074 } // end if size >2
b0f5e3fc 1075}
8a33ae9e 1076//______________________________________________________________________
b0f5e3fc 1077void AliITSsimulationSDD::CompressionParam(Int_t i,Int_t &db,Int_t &tl){
aacedc3e 1078 // returns the compression alogirthm parameters
1079 Int_t size = fD.GetSize();
1080
1081 if (size > 2 ) {
1082 db=fD[i]; tl=fT1[i];
8a33ae9e 1083 } else {
aacedc3e 1084 if (size <= 2 && i>=fNofMaps/2) {
1085 db=fD[1]; tl=fT1[1];
1086 } else {
1087 db=fD[0]; tl=fT1[0];
1088 } // end if size <=2 && i>=fNofMaps/2
1089 // Warning("CompressionParam",
1090 // "Size= %d . Values i=%d ; db= %d ; tl= %d",
1091 // size,i,db,tl);
1092 } // end if size > 2
b0f5e3fc 1093}
8a33ae9e 1094//______________________________________________________________________
b0f5e3fc 1095void AliITSsimulationSDD::SetCompressParam(){
aacedc3e 1096 // Sets the compression alogirthm parameters
1097 Int_t cp[8],i;
fcf95fc7 1098 AliITSCalibrationSDD* res = (AliITSCalibrationSDD*)GetCalibrationModel(fDetType->GetITSgeom()->GetStartSDD());
aacedc3e 1099
8ba39da9 1100 res->GiveCompressParam(cp);
aacedc3e 1101 for (i=0; i<2; i++) {
1102 fD[i] = cp[i];
1103 fT1[i] = cp[i+2];
1104 fT2[i] = cp[i+4];
1105 fTol[i] = cp[i+6];
1106 } // end for i
b0f5e3fc 1107}
8a33ae9e 1108//______________________________________________________________________
b0f5e3fc 1109void AliITSsimulationSDD::ReadBaseline(){
aacedc3e 1110 // read baseline and noise from file - either a .root file and in this
1111 // case data should be organised in a tree with one entry for each
1112 // module => reading should be done accordingly
1113 // or a classic file and do smth. like this:
1114 // Read baselines and noise for SDD
1115
1116 Int_t na,pos;
1117 Float_t bl,n;
1118 char input[100], base[100], param[100];
1119 char *filtmp;
fcf95fc7 1120 AliITSCalibrationSDD* res = (AliITSCalibrationSDD*)GetCalibrationModel(fDetType->GetITSgeom()->GetStartSDD());
8ba39da9 1121 res->Filenames(input,base,param);
aacedc3e 1122 fFileName=base;
1123 //
1124 filtmp = gSystem->ExpandPathName(fFileName.Data());
1125 FILE *bline = fopen(filtmp,"r");
1126 na = 0;
1127
1128 if(bline) {
1129 while(fscanf(bline,"%d %f %f",&pos, &bl, &n) != EOF) {
1130 if (pos != na+1) {
1131 Error("ReadBaseline","Anode number not in increasing order!",
1132 filtmp);
1133 exit(1);
1134 } // end if pos != na+1
1135 fBaseline[na]=bl;
1136 fNoise[na]=n;
1137 na++;
1138 } // end while
1139 } else {
1140 Error("ReadBaseline"," THE BASELINE FILE %s DOES NOT EXIST !",filtmp);
1141 exit(1);
1142 } // end if(bline)
1143
1144 fclose(bline);
1145 delete [] filtmp;
b0f5e3fc 1146}
8a33ae9e 1147//______________________________________________________________________
1148Int_t AliITSsimulationSDD::Convert10to8(Int_t signal) const {
aacedc3e 1149 // To the 10 to 8 bit lossive compression.
1150 // code from Davide C. and Albert W.
1151
1152 if (signal < 128) return signal;
1153 if (signal < 256) return (128+((signal-128)>>1));
1154 if (signal < 512) return (192+((signal-256)>>3));
1155 if (signal < 1024) return (224+((signal-512)>>4));
1156 return 0;
b0f5e3fc 1157}
50d05d7b 1158/*
8a33ae9e 1159//______________________________________________________________________
b0f5e3fc 1160AliITSMap* AliITSsimulationSDD::HitMap(Int_t i){
aacedc3e 1161 //Return the correct map.
8a33ae9e 1162
aacedc3e 1163 return ((i==0)? fHitMap1 : fHitMap2);
3d2c9d72 1164}
1165*/
8a33ae9e 1166//______________________________________________________________________
e8189707 1167void AliITSsimulationSDD::ZeroSuppression(const char *option) {
aacedc3e 1168 // perform the zero suppresion
1169
1170 if (strstr(option,"2D")) {
1171 //Init2D(); // activate if param change module by module
1172 Compress2D();
1173 } else if (strstr(option,"1D")) {
1174 //Init1D(); // activate if param change module by module
1175 Compress1D();
1176 } else StoreAllDigits();
b0f5e3fc 1177}
8a33ae9e 1178//______________________________________________________________________
b0f5e3fc 1179void AliITSsimulationSDD::Init2D(){
aacedc3e 1180 // read in and prepare arrays: fD, fT1, fT2
1181 // savemu[nanodes], savesigma[nanodes]
1182 // read baseline and noise from file - either a .root file and in this
1183 // case data should be organised in a tree with one entry for each
1184 // module => reading should be done accordingly
1185 // or a classic file and do smth. like this ( code from Davide C. and
1186 // Albert W.) :
1187 // Read 2D zero-suppression parameters for SDD
1188
1189 if (!strstr(fParam.Data(),"file")) return;
1190
1191 Int_t na,pos,tempTh;
1192 Float_t mu,sigma;
1193 Float_t *savemu = new Float_t [fNofMaps];
1194 Float_t *savesigma = new Float_t [fNofMaps];
1195 char input[100],basel[100],par[100];
1196 char *filtmp;
1197 Double_t tmp1,tmp2;
fcf95fc7 1198 AliITSCalibrationSDD* res = (AliITSCalibrationSDD*)GetCalibrationModel(fDetType->GetITSgeom()->GetStartSDD());
8ba39da9 1199
1200 res->Thresholds(tmp1,tmp2);
aacedc3e 1201 Int_t minval = static_cast<Int_t>(tmp1);
1202
8ba39da9 1203 res->Filenames(input,basel,par);
aacedc3e 1204 fFileName = par;
1205 //
1206 filtmp = gSystem->ExpandPathName(fFileName.Data());
1207 FILE *param = fopen(filtmp,"r");
1208 na = 0;
1209
1210 if(param) {
1211 while(fscanf(param,"%d %f %f",&pos, &mu, &sigma) != EOF) {
1212 if (pos != na+1) {
1213 Error("Init2D","Anode number not in increasing order!",filtmp);
1214 exit(1);
1215 } // end if pos != na+1
1216 savemu[na] = mu;
1217 savesigma[na] = sigma;
1218 if ((2.*sigma) < mu) {
1219 fD[na] = (Int_t)floor(mu - 2.0*sigma + 0.5);
1220 mu = 2.0 * sigma;
1221 } else fD[na] = 0;
1222 tempTh = (Int_t)floor(mu+2.25*sigma+0.5) - minval;
1223 if (tempTh < 0) tempTh=0;
1224 fT1[na] = tempTh;
1225 tempTh = (Int_t)floor(mu+3.0*sigma+0.5) - minval;
1226 if (tempTh < 0) tempTh=0;
1227 fT2[na] = tempTh;
1228 na++;
1229 } // end while
1230 } else {
1231 Error("Init2D","THE FILE %s DOES NOT EXIST !",filtmp);
1232 exit(1);
1233 } // end if(param)
1234
1235 fclose(param);
1236 delete [] filtmp;
1237 delete [] savemu;
1238 delete [] savesigma;
8a33ae9e 1239}
1240//______________________________________________________________________
b0f5e3fc 1241void AliITSsimulationSDD::Compress2D(){
aacedc3e 1242 // simple ITS cluster finder -- online zero-suppression conditions
1243
1244 Int_t db,tl,th;
1245 Double_t tmp1,tmp2;
fcf95fc7 1246 AliITSCalibrationSDD* res = (AliITSCalibrationSDD*)GetCalibrationModel(fDetType->GetITSgeom()->GetStartSDD());
8ba39da9 1247
1248 res->Thresholds(tmp1,tmp2);
aacedc3e 1249 Int_t minval = static_cast<Int_t>(tmp1);
8ba39da9 1250 Bool_t write = res->OutputOption();
1251 Bool_t do10to8 = res->Do10to8();
aacedc3e 1252 Int_t nz, nl, nh, low, i, j;
1253
1254 for (i=0; i<fNofMaps; i++) {
1255 CompressionParam(i,db,tl,th);
1256 nz = 0;
1257 nl = 0;
1258 nh = 0;
1259 low = 0;
1260 for (j=0; j<fMaxNofSamples; j++) {
1261 Int_t signal=(Int_t)(fHitMap2->GetSignal(i,j));
1262 signal -= db; // if baseline eq. is done here
1263 if (signal <= 0) {nz++; continue;}
1264 if ((signal - tl) < minval) low++;
1265 if ((signal - th) >= minval) {
1266 nh++;
1267 Bool_t cond=kTRUE;
1268 FindCluster(i,j,signal,minval,cond);
1269 if(cond && j &&
1270 ((TMath::Abs(fHitMap2->GetSignal(i,j-1))-th)>=minval)){
1271 if(do10to8) signal = Convert10to8(signal);
1272 AddDigit(i,j,signal);
1273 } // end if cond&&j&&()
1274 } else if ((signal - tl) >= minval) nl++;
1275 } // end for j loop time samples
1276 if (write) TreeB()->Fill(nz,nl,nh,low,i+1);
1277 } //end for i loop anodes
1278
1279 char hname[30];
1280 if (write) {
1281 sprintf(hname,"TNtuple%d_%d",fModule,fEvent);
1282 TreeB()->Write(hname);
1283 // reset tree
1284 TreeB()->Reset();
1285 } // end if write
8a33ae9e 1286}
1287//______________________________________________________________________
b0f5e3fc 1288void AliITSsimulationSDD::FindCluster(Int_t i,Int_t j,Int_t signal,
ece86d9a 1289 Int_t minval,Bool_t &cond){
aacedc3e 1290 // Find clusters according to the online 2D zero-suppression algorithm
fcf95fc7 1291 AliITSCalibrationSDD* res = (AliITSCalibrationSDD*)GetCalibrationModel(fDetType->GetITSgeom()->GetStartSDD());
8ba39da9 1292 AliITSsegmentationSDD* seg = (AliITSsegmentationSDD*)GetSegmentationModel(1);
1293
1294 Bool_t do10to8 = res->Do10to8();
aacedc3e 1295 Bool_t high = kFALSE;
1296
1297 fHitMap2->FlagHit(i,j);
1298 //
1299 // check the online zero-suppression conditions
1300 //
1301 const Int_t kMaxNeighbours = 4;
1302 Int_t nn;
1303 Int_t dbx,tlx,thx;
1304 Int_t xList[kMaxNeighbours], yList[kMaxNeighbours];
8ba39da9 1305 seg->Neighbours(i,j,&nn,xList,yList);
aacedc3e 1306 Int_t in,ix,iy,qns;
1307 for (in=0; in<nn; in++) {
1308 ix=xList[in];
1309 iy=yList[in];
1310 if (fHitMap2->TestHit(ix,iy)==kUnused) {
1311 CompressionParam(ix,dbx,tlx,thx);
1312 Int_t qn = (Int_t)(fHitMap2->GetSignal(ix,iy));
1313 qn -= dbx; // if baseline eq. is done here
1314 if ((qn-tlx) < minval) {
1315 fHitMap2->FlagHit(ix,iy);
1316 continue;
1317 } else {
1318 if ((qn - thx) >= minval) high=kTRUE;
1319 if (cond) {
1320 if(do10to8) signal = Convert10to8(signal);
1321 AddDigit(i,j,signal);
1322 } // end if cond
1323 if(do10to8) qns = Convert10to8(qn);
1324 else qns=qn;
1325 if (!high) AddDigit(ix,iy,qns);
1326 cond=kFALSE;
1327 if(!high) fHitMap2->FlagHit(ix,iy);
1328 } // end if qn-tlx < minval
1329 } // end if TestHit
1330 } // end for in loop over neighbours
b0f5e3fc 1331}
8a33ae9e 1332//______________________________________________________________________
b0f5e3fc 1333void AliITSsimulationSDD::Init1D(){
aacedc3e 1334 // this is just a copy-paste of input taken from 2D algo
1335 // Torino people should give input
1336 // Read 1D zero-suppression parameters for SDD
1337
1338 if (!strstr(fParam.Data(),"file")) return;
1339
1340 Int_t na,pos,tempTh;
1341 Float_t mu,sigma;
1342 Float_t *savemu = new Float_t [fNofMaps];
1343 Float_t *savesigma = new Float_t [fNofMaps];
1344 char input[100],basel[100],par[100];
1345 char *filtmp;
1346 Double_t tmp1,tmp2;
fcf95fc7 1347 AliITSCalibrationSDD* res = (AliITSCalibrationSDD*)GetCalibrationModel(fDetType->GetITSgeom()->GetStartSDD());
8ba39da9 1348
1349 res->Thresholds(tmp1,tmp2);
aacedc3e 1350 Int_t minval = static_cast<Int_t>(tmp1);
1351
8ba39da9 1352 res->Filenames(input,basel,par);
aacedc3e 1353 fFileName=par;
1354
1355 // set first the disable and tol param
1356 SetCompressParam();
1357 //
1358 filtmp = gSystem->ExpandPathName(fFileName.Data());
1359 FILE *param = fopen(filtmp,"r");
1360 na = 0;
1361
1362 if (param) {
1363 fscanf(param,"%d %d %d %d ", &fT2[0], &fT2[1], &fTol[0], &fTol[1]);
1364 while(fscanf(param,"%d %f %f",&pos, &mu, &sigma) != EOF) {
1365 if (pos != na+1) {
1366 Error("Init1D","Anode number not in increasing order!",filtmp);
1367 exit(1);
1368 } // end if pos != na+1
1369 savemu[na]=mu;
1370 savesigma[na]=sigma;
1371 if ((2.*sigma) < mu) {
1372 fD[na] = (Int_t)floor(mu - 2.0*sigma + 0.5);
1373 mu = 2.0 * sigma;
1374 } else fD[na] = 0;
1375 tempTh = (Int_t)floor(mu+2.25*sigma+0.5) - minval;
1376 if (tempTh < 0) tempTh=0;
1377 fT1[na] = tempTh;
1378 na++;
1379 } // end while
1380 } else {
1381 Error("Init1D","THE FILE %s DOES NOT EXIST !",filtmp);
1382 exit(1);
1383 } // end if(param)
1384
1385 fclose(param);
1386 delete [] filtmp;
1387 delete [] savemu;
1388 delete [] savesigma;
8a33ae9e 1389}
1390//______________________________________________________________________
b0f5e3fc 1391void AliITSsimulationSDD::Compress1D(){
aacedc3e 1392 // 1D zero-suppression algorithm (from Gianluca A.)
1393 Int_t dis,tol,thres,decr,diff;
1394 UChar_t *str=fStream->Stream();
1395 Int_t counter=0;
fcf95fc7 1396 AliITSCalibrationSDD* res = (AliITSCalibrationSDD*)GetCalibrationModel(fDetType->GetITSgeom()->GetStartSDD());
8ba39da9 1397
1398 Bool_t do10to8=res->Do10to8();
aacedc3e 1399 Int_t last=0;
1400 Int_t k,i,j;
1401
1402 for (k=0; k<2; k++) {
1403 tol = Tolerance(k);
1404 dis = Disable(k);
1405 for (i=0; i<fNofMaps/2; i++) {
1406 Bool_t firstSignal=kTRUE;
1407 Int_t idx=i+k*fNofMaps/2;
1408 if( !fAnodeFire[idx] ) continue;
1409 CompressionParam(idx,decr,thres);
1410
1411 for (j=0; j<fMaxNofSamples; j++) {
1412 Int_t signal=(Int_t)(fHitMap2->GetSignal(idx,j));
1413 signal -= decr; // if baseline eq.
1414 if(do10to8) signal = Convert10to8(signal);
1415 if (signal <= thres) {
1416 signal=0;
1417 diff=128;
1418 last=0;
1419 // write diff in the buffer for HuffT
1420 str[counter]=(UChar_t)diff;
1421 counter++;
1422 continue;
1423 } // end if signal <= thres
1424 diff=signal-last;
1425 if (diff > 127) diff=127;
1426 if (diff < -128) diff=-128;
1427 if (signal < dis) {
1428 // tol has changed to 8 possible cases ? - one can write
1429 // this if(TMath::Abs(diff)<tol) ... else ...
1430 if(TMath::Abs(diff)<tol) diff=0;
1431 // or keep it as it was before
1432 AddDigit(idx,j,last+diff);
1433 } else {
1434 AddDigit(idx,j,signal);
1435 } // end if singal < dis
1436 diff += 128;
1437 // write diff in the buffer used to compute Huffman tables
1438 if (firstSignal) str[counter]=(UChar_t)signal;
1439 else str[counter]=(UChar_t)diff;
1440 counter++;
1441 last=signal;
1442 firstSignal=kFALSE;
1443 } // end for j loop time samples
1444 } // end for i loop anodes one half of detector
1445 } // end for k
b0f5e3fc 1446
1447 // check
aacedc3e 1448 fStream->CheckCount(counter);
b0f5e3fc 1449
aacedc3e 1450 // open file and write out the stream of diff's
1451 static Bool_t open=kTRUE;
1452 static TFile *outFile;
8ba39da9 1453 Bool_t write = res->OutputOption();
aacedc3e 1454 TDirectory *savedir = gDirectory;
b0f5e3fc 1455
aacedc3e 1456 if (write ) {
1457 if(open) {
1458 SetFileName("stream.root");
1459 cout<<"filename "<<fFileName<<endl;
1460 outFile=new TFile(fFileName,"recreate");
1461 cout<<"I have opened "<<fFileName<<" file "<<endl;
1462 } // end if open
1463 open = kFALSE;
1464 outFile->cd();
1465 fStream->Write();
1466 } // endif write
1467
1468 fStream->ClearStream();
1469
1470 // back to galice.root file
1471 if(savedir) savedir->cd();
8a33ae9e 1472}
1473//______________________________________________________________________
b0f5e3fc 1474void AliITSsimulationSDD::StoreAllDigits(){
aacedc3e 1475 // if non-zero-suppressed data
fcf95fc7 1476 AliITSCalibrationSDD* res = (AliITSCalibrationSDD*)GetCalibrationModel(fDetType->GetITSgeom()->GetStartSDD());
8ba39da9 1477
1478 Bool_t do10to8 = res->Do10to8();
aacedc3e 1479 Int_t i, j, digits[3];
1480
1481 for (i=0; i<fNofMaps; i++) {
1482 for (j=0; j<fMaxNofSamples; j++) {
1483 Int_t signal=(Int_t)(fHitMap2->GetSignal(i,j));
1484 if(do10to8) signal = Convert10to8(signal);
1485 digits[0] = i;
1486 digits[1] = j;
1487 digits[2] = signal;
1488 fITS->AddRealDigit(1,digits);
1489 } // end for j
1490 } // end for i
b0f5e3fc 1491}
8a33ae9e 1492//______________________________________________________________________
ece86d9a 1493void AliITSsimulationSDD::CreateHistograms(Int_t scale){
aacedc3e 1494 // Creates histograms of maps for debugging
1495 Int_t i;
1496
1497 fHis=new TObjArray(fNofMaps);
1498 for (i=0;i<fNofMaps;i++) {
1499 TString sddName("sdd_");
1500 Char_t candNum[4];
1501 sprintf(candNum,"%d",i+1);
1502 sddName.Append(candNum);
1503 fHis->AddAt(new TH1F(sddName.Data(),"SDD maps",scale*fMaxNofSamples,
1504 0.,(Float_t) scale*fMaxNofSamples), i);
1505 } // end for i
b0f5e3fc 1506}
8a33ae9e 1507//______________________________________________________________________
ece86d9a 1508void AliITSsimulationSDD::FillHistograms(){
aacedc3e 1509 // fill 1D histograms from map
8a33ae9e 1510
aacedc3e 1511 if (!fHis) return;
8a33ae9e 1512
aacedc3e 1513 for( Int_t i=0; i<fNofMaps; i++) {
1514 TH1F *hist =(TH1F *)fHis->UncheckedAt(i);
1515 Int_t nsamples = hist->GetNbinsX();
1516 for( Int_t j=0; j<nsamples; j++) {
1517 Double_t signal=fHitMap2->GetSignal(i,j);
1518 hist->Fill((Float_t)j,signal);
1519 } // end for j
1520 } // end for i
ece86d9a 1521}
8a33ae9e 1522//______________________________________________________________________
b0f5e3fc 1523void AliITSsimulationSDD::ResetHistograms(){
aacedc3e 1524 // Reset histograms for this detector
1525 Int_t i;
8a33ae9e 1526
aacedc3e 1527 for (i=0;i<fNofMaps;i++ ) {
1528 if (fHis->At(i)) ((TH1F*)fHis->At(i))->Reset();
1529 } // end for i
b0f5e3fc 1530}
8a33ae9e 1531//______________________________________________________________________
b0f5e3fc 1532TH1F *AliITSsimulationSDD::GetAnode(Int_t wing, Int_t anode) {
aacedc3e 1533 // Fills a histogram from a give anode.
8a33ae9e 1534
aacedc3e 1535 if (!fHis) return 0;
8a33ae9e 1536
aacedc3e 1537 if(wing <=0 || wing > 2) {
1538 Warning("GetAnode","Wrong wing number: %d",wing);
1539 return NULL;
1540 } // end if wing <=0 || wing >2
1541 if(anode <=0 || anode > fNofMaps/2) {
1542 Warning("GetAnode","Wrong anode number: %d",anode);
1543 return NULL;
1544 } // end if ampde <=0 || andoe > fNofMaps/2
8a33ae9e 1545
aacedc3e 1546 Int_t index = (wing-1)*fNofMaps/2 + anode-1;
1547 return (TH1F*)(fHis->At(index));
b0f5e3fc 1548}
8a33ae9e 1549//______________________________________________________________________
b0f5e3fc 1550void AliITSsimulationSDD::WriteToFile(TFile *hfile) {
aacedc3e 1551 // Writes the histograms to a file
b0f5e3fc 1552
aacedc3e 1553 if (!fHis) return;
8a33ae9e 1554
aacedc3e 1555 hfile->cd();
1556 Int_t i;
1557 for(i=0; i<fNofMaps; i++) fHis->At(i)->Write(); //fAdcs[i]->Write();
1558 return;
b0f5e3fc 1559}
8a33ae9e 1560//______________________________________________________________________
ece86d9a 1561Float_t AliITSsimulationSDD::GetNoise() {
aacedc3e 1562 // Returns the noise value
1563 //Bool_t do10to8=GetResp()->Do10to8();
1564 //noise will always be in the liniar part of the signal
1565 Int_t decr;
1566 Int_t threshold = fT1[0];
1567 char opt1[20], opt2[20];
fcf95fc7 1568 AliITSCalibrationSDD* res = (AliITSCalibrationSDD*)GetCalibrationModel(fDetType->GetITSgeom()->GetStartSDD());
aacedc3e 1569
fcf95fc7 1570 res->GetParamOptions(opt1,opt2);
aacedc3e 1571 fParam=opt2;
1572 char *same = strstr(opt1,"same");
1573 Double_t noise,baseline;
1574 if (same) {
8ba39da9 1575 res->GetNoiseParam(noise,baseline);
aacedc3e 1576 } else {
1577 static Bool_t readfile=kTRUE;
1578 //read baseline and noise from file
1579 if (readfile) ReadBaseline();
1580 readfile=kFALSE;
1581 } // end if same
1582
1583 TCanvas *c2 = (TCanvas*)gROOT->GetListOfCanvases()->FindObject("c2");
1584 if(c2) delete c2->GetPrimitive("noisehist");
1585 if(c2) delete c2->GetPrimitive("anode");
1586 else c2=new TCanvas("c2");
1587 c2->cd();
1588 c2->SetFillColor(0);
1589
1590 TH1F *noisehist = new TH1F("noisehist","noise",100,0.,(float)2*threshold);
1591 TH1F *anode = new TH1F("anode","Anode Projection",fMaxNofSamples,0.,
1592 (float)fMaxNofSamples);
1593 Int_t i,k;
1594 for (i=0;i<fNofMaps;i++) {
1595 CompressionParam(i,decr,threshold);
1596 if (!same) GetAnodeBaseline(i,baseline,noise);
1597 anode->Reset();
1598 for (k=0;k<fMaxNofSamples;k++) {
1599 Float_t signal=(Float_t)fHitMap2->GetSignal(i,k);
1600 //if (signal <= (float)threshold) noisehist->Fill(signal-baseline);
1601 if (signal <= (float)(threshold+decr)) noisehist->Fill(signal);
1602 anode->Fill((float)k,signal);
1603 } // end for k
1604 anode->Draw();
1605 c2->Update();
1606 } // end for i
1607 TF1 *gnoise = new TF1("gnoise","gaus",0.,threshold);
1608 noisehist->Fit("gnoise","RQ");
1609 noisehist->Draw();
ece86d9a 1610 c2->Update();
aacedc3e 1611 Float_t mnoise = gnoise->GetParameter(1);
1612 cout << "mnoise : " << mnoise << endl;
1613 Float_t rnoise = gnoise->GetParameter(2);
1614 cout << "rnoise : " << rnoise << endl;
1615 delete noisehist;
1616 return rnoise;
50d05d7b 1617}
1618//______________________________________________________________________
1619void AliITSsimulationSDD::WriteSDigits(){
aacedc3e 1620 // Fills the Summable digits Tree
1621 static AliITS *aliITS = (AliITS*)gAlice->GetModule("ITS");
1622
1623 for( Int_t i=0; i<fNofMaps; i++ ) {
1624 if( !fAnodeFire[i] ) continue;
1625 for( Int_t j=0; j<fMaxNofSamples; j++ ) {
1626 Double_t sig = fHitMap2->GetSignal( i, j );
1627 if( sig > 0.2 ) {
1628 Int_t jdx = j*fScaleSize;
1629 Int_t index = fpList->GetHitIndex( i, j );
1630 AliITSpListItem pItemTmp2( fModule, index, 0. );
1631 // put the fScaleSize analog digits in only one
1632 for( Int_t ik=0; ik<fScaleSize; ik++ ) {
1633 AliITSpListItem *pItemTmp = fpList->GetpListItem(i,jdx+ik);
1634 if( pItemTmp == 0 ) continue;
1635 pItemTmp2.Add( pItemTmp );
1636 }
1637 pItemTmp2.AddSignalAfterElect( fModule, index, sig );
1638 pItemTmp2.AddNoise(fModule,index,fHitNoiMap2->GetSignal(i,j));
1639 aliITS->AddSumDigit( pItemTmp2 );
1640 } // end if (sig > 0.2)
1641 }
48058160 1642 }
aacedc3e 1643 return;
b0f5e3fc 1644}
8a33ae9e 1645//______________________________________________________________________
d2f55a22 1646void AliITSsimulationSDD::PrintStatus() const {
aacedc3e 1647 // Print SDD simulation Parameters
1648
1649 cout << "**************************************************" << endl;
1650 cout << " Silicon Drift Detector Simulation Parameters " << endl;
1651 cout << "**************************************************" << endl;
1652 cout << "Flag for Perpendicular tracks: " << (Int_t) fFlag << endl;
1653 cout << "Flag for noise checking: " << (Int_t) fCheckNoise << endl;
1654 cout << "Flag to switch off electronics: " << (Int_t) fDoFFT << endl;
1655 cout << "Number pf Anodes used: " << fNofMaps << endl;
1656 cout << "Number of Time Samples: " << fMaxNofSamples << endl;
1657 cout << "Scale size factor: " << fScaleSize << endl;
1658 cout << "**************************************************" << endl;
44a312c3 1659}