Fixed bug in parent assignment and implemented Birk's law in the Step Manager
[u/mrichter/AliRoot.git] / ITS / AliITSsimulationSDD.cxx
CommitLineData
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
94de3818 23#include <TSystem.h>
24#include <TROOT.h>
608f25d8 25#include <TStopwatch.h>
ece86d9a 26#include <TCanvas.h>
27#include <TF1.h>
28#include <TRandom.h>
1ca7869b 29#include <TH1.h>
30#include <TFile.h>
31#include <TVector.h>
32#include <TArrayI.h>
33#include <TArrayF.h>
ece86d9a 34
b0f5e3fc 35#include "AliRun.h"
e8189707 36#include "AliITS.h"
ece86d9a 37#include "AliITShit.h"
e869281d 38#include "AliITSdigitSDD.h"
39#include "AliITSdigitSPD.h"
ece86d9a 40#include "AliITSmodule.h"
c7a4dac0 41#include "AliITSpList.h"
e8189707 42#include "AliITSMapA1.h"
43#include "AliITSMapA2.h"
e8189707 44#include "AliITSetfSDD.h"
45#include "AliITSRawData.h"
b0f5e3fc 46#include "AliITSHuffman.h"
50d05d7b 47#include "AliITSgeom.h"
ece86d9a 48#include "AliITSsegmentation.h"
49#include "AliITSresponse.h"
c7a4dac0 50#include "AliITSsegmentationSDD.h"
51#include "AliITSresponseSDD.h"
1ca7869b 52#include "AliITSsimulationSDD.h"
b0f5e3fc 53
b0f5e3fc 54ClassImp(AliITSsimulationSDD)
55////////////////////////////////////////////////////////////////////////
56// Version: 0
57// Written by Piergiorgio Cerello
58// November 23 1999
59//
60// AliITSsimulationSDD is the simulation of SDDs.
61 //
62//Begin_Html
63/*
3d2c9d72 64 <img src="picts/ITS/AliITShit_Class_Diagram.gif">
65 </pre>
66 <br clear=left>
67 <font size=+2 color=red>
68 <p>This show the relasionships between the ITS hit class and the rest of Aliroot.
69 </font>
70 <pre>
71 */
72 //End_Html
73
74 //______________________________________________________________________
75 Int_t power(Int_t b, Int_t e) {
76 // compute b to the e power, where both b and e are Int_ts.
77 Int_t power = 1,i;
78
79 for(i=0; i<e; i++) power *= b;
80 return power;
8a33ae9e 81}
82//______________________________________________________________________
b0f5e3fc 83void FastFourierTransform(AliITSetfSDD *alisddetf,Double_t *real,
84 Double_t *imag,Int_t direction) {
3d2c9d72 85 // Do a Fast Fourier Transform
86
87 Int_t samples = alisddetf->GetSamples();
88 Int_t l = (Int_t) ((log((Float_t) samples)/log(2.))+0.5);
89 Int_t m1 = samples;
90 Int_t m = samples/2;
91 Int_t m2 = samples/m1;
92 Int_t i,j,k;
93 for(i=1; i<=l; i++) {
94 for(j=0; j<samples; j += m1) {
95 Int_t p = 0;
96 for(k=j; k<= j+m-1; k++) {
97 Double_t wsr = alisddetf->GetWeightReal(p);
98 Double_t wsi = alisddetf->GetWeightImag(p);
99 if(direction == -1) wsi = -wsi;
100 Double_t xr = *(real+k+m);
101 Double_t xi = *(imag+k+m);
102 *(real+k+m) = wsr*(*(real+k)-xr) - wsi*(*(imag+k)-xi);
103 *(imag+k+m) = wsr*(*(imag+k)-xi) + wsi*(*(real+k)-xr);
104 *(real+k) += xr;
105 *(imag+k) += xi;
106 p += m2;
107 } // end for k
8a33ae9e 108 } // end for j
3d2c9d72 109 m1 = m;
110 m /= 2;
111 m2 += m2;
112 } // end for i
113
114 for(j=0; j<samples; j++) {
115 Int_t j1 = j;
116 Int_t p = 0;
117 Int_t i1;
118 for(i1=1; i1<=l; i1++) {
119 Int_t j2 = j1;
120 j1 /= 2;
121 p = p + p + j2 - j1 - j1;
122 } // end for i1
123 if(p >= j) {
124 Double_t xr = *(real+j);
125 Double_t xi = *(imag+j);
126 *(real+j) = *(real+p);
127 *(imag+j) = *(imag+p);
128 *(real+p) = xr;
129 *(imag+p) = xi;
130 } // end if p>=j
131 } // end for j
132 if(direction == -1) {
133 for(i=0; i<samples; i++) {
134 *(real+i) /= samples;
135 *(imag+i) /= samples;
136 } // end for i
137 } // end if direction == -1
138 return;
b0f5e3fc 139}
8a33ae9e 140//______________________________________________________________________
c135f70d 141AliITSsimulationSDD::AliITSsimulationSDD() {
3d2c9d72 142 // Default constructor
143
144 fResponse = 0;
145 fSegmentation = 0;
146 fHis = 0;
147 // fpList = 0;
148 fHitMap2 = 0;
149 fHitSigMap2 = 0;
150 fHitNoiMap2 = 0;
151 fElectronics = 0;
152 fStream = 0;
153 fInZR = 0;
154 fInZI = 0;
155 fOutZR = 0;
156 fOutZI = 0;
157 fNofMaps = 0;
158 fMaxNofSamples = 0;
159 fITS = 0;
160 fTreeB = 0;
161 fAnodeFire = 0;
162 SetScaleFourier();
163 SetPerpendTracksFlag();
164 SetCrosstalkFlag();
165 SetDoFFT();
166 SetCheckNoise();
b0f5e3fc 167}
8a33ae9e 168//______________________________________________________________________
ac74f489 169AliITSsimulationSDD::AliITSsimulationSDD(AliITSsimulationSDD &source) :
3d2c9d72 170 AliITSsimulation(source){
171 // Copy constructor to satify Coding roules only.
8a33ae9e 172
3d2c9d72 173 if(this==&source) return;
174 Error("AliITSsimulationSSD","Not allowed to make a copy of "
175 "AliITSsimulationSDD Using default creater instead");
176 AliITSsimulationSDD();
b0f5e3fc 177}
8a33ae9e 178//______________________________________________________________________
c7a4dac0 179AliITSsimulationSDD& AliITSsimulationSDD::operator=(AliITSsimulationSDD &src){
3d2c9d72 180 // Assignment operator to satify Coding roules only.
8a33ae9e 181
3d2c9d72 182 if(this==&src) return *this;
183 Error("AliITSsimulationSSD","Not allowed to make a = with "
184 "AliITSsimulationSDD Using default creater instead");
185 return *this ;
b0f5e3fc 186}
8a33ae9e 187//______________________________________________________________________
c7a4dac0 188AliITSsimulationSDD::AliITSsimulationSDD(AliITSsegmentation *seg,
50d05d7b 189 AliITSresponse *resp){
3d2c9d72 190 // Standard Constructor
191
192 fResponse = 0;
193 fSegmentation = 0;
194 fHis = 0;
195 // fpList = 0;
196 fHitMap2 = 0;
197 fHitSigMap2 = 0;
198 fHitNoiMap2 = 0;
199 fElectronics = 0;
200 fStream = 0;
201 fInZR = 0;
202 fInZI = 0;
203 fOutZR = 0;
204 fOutZI = 0;
205 fNofMaps = 0;
206 fMaxNofSamples = 0;
207 fITS = 0;
208 fTreeB = 0;
209 SetDebug(kFALSE);
210
211 Init((AliITSsegmentationSDD*)seg,(AliITSresponseSDD*)resp);
c7a4dac0 212}
213//______________________________________________________________________
214void AliITSsimulationSDD::Init(AliITSsegmentationSDD *seg,
50d05d7b 215 AliITSresponseSDD *resp){
3d2c9d72 216 // Standard Constructor
217
218 fResponse = resp;
219 fSegmentation = seg;
220 SetScaleFourier();
221 SetPerpendTracksFlag();
222 SetCrosstalkFlag();
223 SetDoFFT();
224 SetCheckNoise();
225
226 fpList = new AliITSpList( fSegmentation->Npz(),
227 fScaleSize*fSegmentation->Npx() );
228 fHitSigMap2 = new AliITSMapA2(fSegmentation,fScaleSize,1);
229 fHitNoiMap2 = new AliITSMapA2(fSegmentation,fScaleSize,1);
230 fHitMap2 = fHitSigMap2;
231
232 fNofMaps = fSegmentation->Npz();
233 fMaxNofSamples = fSegmentation->Npx();
234 fAnodeFire = new Bool_t [fNofMaps];
43217ad9 235
3d2c9d72 236 Float_t sddLength = fSegmentation->Dx();
237 Float_t sddWidth = fSegmentation->Dz();
238
239 Int_t dummy = 0;
240 Float_t anodePitch = fSegmentation->Dpz(dummy);
241 Double_t timeStep = (Double_t)fSegmentation->Dpx(dummy);
242 Float_t driftSpeed = fResponse->DriftSpeed();
243
244 if(anodePitch*(fNofMaps/2) > sddWidth) {
245 Warning("AliITSsimulationSDD",
246 "Too many anodes %d or too big pitch %f \n",
247 fNofMaps/2,anodePitch);
248 } // end if
249
250 if(timeStep*fMaxNofSamples < sddLength/driftSpeed) {
251 Error("AliITSsimulationSDD",
252 "Time Interval > Allowed Time Interval: exit\n");
253 return;
254 } // end if
255
256 fElectronics = new AliITSetfSDD(timeStep/fScaleSize,
257 fResponse->Electronics());
258
259 char opt1[20], opt2[20];
260 fResponse->ParamOptions(opt1,opt2);
261 fParam = opt2;
262 char *same = strstr(opt1,"same");
263 if (same) {
264 fNoise.Set(0);
265 fBaseline.Set(0);
266 } else {
267 fNoise.Set(fNofMaps);
268 fBaseline.Set(fNofMaps);
269 } // end if
270
271 const char *kopt=fResponse->ZeroSuppOption();
272 if (strstr(fParam.Data(),"file") ) {
273 fD.Set(fNofMaps);
274 fT1.Set(fNofMaps);
275 if (strstr(kopt,"2D")) {
276 fT2.Set(fNofMaps);
277 fTol.Set(0);
278 Init2D(); // desactivate if param change module by module
279 } else if(strstr(kopt,"1D")) {
280 fT2.Set(2);
281 fTol.Set(2);
282 Init1D(); // desactivate if param change module by module
283 } // end if strstr
284 } else {
285 fD.Set(2);
286 fTol.Set(2);
287 fT1.Set(2);
288 fT2.Set(2);
289 SetCompressParam();
290 } // end if else strstr
b0f5e3fc 291
3d2c9d72 292 Bool_t write = fResponse->OutputOption();
293 if(write && strstr(kopt,"2D")) MakeTreeB();
b0f5e3fc 294
3d2c9d72 295 // call here if baseline does not change by module
296 // ReadBaseline();
b0f5e3fc 297
3d2c9d72 298 fITS = (AliITS*)gAlice->GetModule("ITS");
299 Int_t size = fNofMaps*fMaxNofSamples;
300 fStream = new AliITSInStream(size);
b0f5e3fc 301
3d2c9d72 302 fInZR = new Double_t [fScaleSize*fMaxNofSamples];
303 fInZI = new Double_t [fScaleSize*fMaxNofSamples];
304 fOutZR = new Double_t [fScaleSize*fMaxNofSamples];
305 fOutZI = new Double_t [fScaleSize*fMaxNofSamples];
5d18fa90 306
b0f5e3fc 307}
8a33ae9e 308//______________________________________________________________________
b0f5e3fc 309AliITSsimulationSDD::~AliITSsimulationSDD() {
3d2c9d72 310 // destructor
311
312 // delete fpList;
313 delete fHitSigMap2;
314 delete fHitNoiMap2;
315 delete fStream;
316 delete fElectronics;
317
318 fITS = 0;
319
320 if (fHis) {
321 fHis->Delete();
322 delete fHis;
323 } // end if fHis
324 if(fTreeB) delete fTreeB;
325 if(fInZR) delete [] fInZR;
326 if(fInZI) delete [] fInZI;
327 if(fOutZR) delete [] fOutZR;
328 if(fOutZI) delete [] fOutZI;
329 if(fAnodeFire) delete [] fAnodeFire;
b0f5e3fc 330}
8a33ae9e 331//______________________________________________________________________
50d05d7b 332void AliITSsimulationSDD::InitSimulationModule( Int_t module, Int_t event ) {
3d2c9d72 333 // create maps to build the lists of tracks for each summable digit
334 fModule = module;
335 fEvent = event;
336 ClearMaps();
337 memset(fAnodeFire,0,sizeof(Bool_t)*fNofMaps);
50d05d7b 338}
339//______________________________________________________________________
340void AliITSsimulationSDD::ClearMaps() {
3d2c9d72 341 // clear maps
342 fpList->ClearMap();
343 fHitSigMap2->ClearMap();
344 fHitNoiMap2->ClearMap();
50d05d7b 345}
346//______________________________________________________________________
347void AliITSsimulationSDD::SDigitiseModule( AliITSmodule *mod, Int_t md, Int_t ev){
3d2c9d72 348 // digitize module using the "slow" detector simulator creating
349 // summable digits.
350
351 TObjArray *fHits = mod->GetHits();
352 Int_t nhits = fHits->GetEntriesFast();
353 if( !nhits ) return;
354
355 InitSimulationModule( md, ev );
356 HitsToAnalogDigits( mod );
357 ChargeToSignal( kFALSE ); // - Process signal without add noise
358 fHitMap2 = fHitNoiMap2; // - Swap to noise map
359 ChargeToSignal( kTRUE ); // - Process only noise
360 fHitMap2 = fHitSigMap2; // - Return to signal map
361 WriteSDigits();
362 ClearMaps();
50d05d7b 363}
364//______________________________________________________________________
48058160 365Bool_t AliITSsimulationSDD::AddSDigitsToModule( TClonesArray *pItemArray, Int_t mask ) {
3d2c9d72 366 // Add Summable digits to module maps.
367 Int_t nItems = pItemArray->GetEntries();
368 Double_t maxadc = fResponse->MaxAdc();
e95475eb 369 Bool_t sig = kFALSE;
48058160 370
3d2c9d72 371 // cout << "Adding "<< nItems <<" SDigits to module " << fModule << endl;
372 for( Int_t i=0; i<nItems; i++ ) {
373 AliITSpListItem * pItem = (AliITSpListItem *)(pItemArray->At( i ));
374 if( pItem->GetModule() != fModule ) {
375 Error( "AliITSsimulationSDD",
376 "Error reading, SDigits module %d != current module %d: exit\n",
377 pItem->GetModule(), fModule );
e95475eb 378 return sig;
3d2c9d72 379 } // end if
48058160 380
e95475eb 381 if(pItem->GetSignal()>0.0 ) sig = kTRUE;
43217ad9 382
3d2c9d72 383 fpList->AddItemTo( mask, pItem ); // Add SignalAfterElect + noise
384 AliITSpListItem * pItem2 = fpList->GetpListItem( pItem->GetIndex() );
385 Double_t sigAE = pItem2->GetSignalAfterElect();
386 if( sigAE >= maxadc ) sigAE = maxadc-1; // avoid overflow signal
387 Int_t ia;
388 Int_t it;
389 fpList->GetMapIndex( pItem->GetIndex(), ia, it );
390 fHitMap2->SetHit( ia, it, sigAE );
391 fAnodeFire[ia] = kTRUE;
392 }
e95475eb 393 return sig;
48058160 394}
50d05d7b 395//______________________________________________________________________
396void AliITSsimulationSDD::FinishSDigitiseModule() {
3d2c9d72 397 // digitize module using the "slow" detector simulator from
398 // the sum of summable digits.
399 FinishDigits() ;
400 ClearMaps();
c7a4dac0 401}
402//______________________________________________________________________
b0f5e3fc 403void AliITSsimulationSDD::DigitiseModule(AliITSmodule *mod,Int_t md,Int_t ev){
3d2c9d72 404 // create maps to build the lists of tracks for each digit
b0f5e3fc 405
3d2c9d72 406 TObjArray *fHits = mod->GetHits();
407 Int_t nhits = fHits->GetEntriesFast();
8a33ae9e 408
3d2c9d72 409 InitSimulationModule( md, ev );
50d05d7b 410
3d2c9d72 411 if( !nhits && fCheckNoise ) {
412 ChargeToSignal( kTRUE ); // process noise
413 GetNoise();
414 ClearMaps();
415 return;
416 } else
417 if( !nhits ) return;
48058160 418
3d2c9d72 419 HitsToAnalogDigits( mod );
420 ChargeToSignal( kTRUE ); // process signal + noise
421
422 for( Int_t i=0; i<fNofMaps; i++ ) {
423 for( Int_t j=0; j<fMaxNofSamples; j++ ) {
424 Int_t jdx = j*fScaleSize;
425 Int_t index = fpList->GetHitIndex( i, j );
426 AliITSpListItem pItemTmp2( fModule, index, 0. );
427 // put the fScaleSize analog digits in only one
428 for( Int_t ik=0; ik<fScaleSize; ik++ ) {
429 AliITSpListItem *pItemTmp = fpList->GetpListItem( i, jdx+ik );
430 if( pItemTmp == 0 ) continue;
431 pItemTmp2.Add( pItemTmp );
432 }
433 fpList->DeleteHit( i, j );
434 fpList->AddItemTo( 0, &pItemTmp2 );
48058160 435 }
3d2c9d72 436 }
48058160 437
3d2c9d72 438 FinishDigits();
439 ClearMaps();
c7a4dac0 440}
441//______________________________________________________________________
50d05d7b 442void AliITSsimulationSDD::FinishDigits() {
3d2c9d72 443 // introduce the electronics effects and do zero-suppression if required
8a33ae9e 444
3d2c9d72 445 ApplyDeadChannels();
446 if( fCrosstalkFlag ) ApplyCrosstalk();
50d05d7b 447
3d2c9d72 448 const char *kopt = fResponse->ZeroSuppOption();
449 ZeroSuppression( kopt );
c7a4dac0 450}
451//______________________________________________________________________
50d05d7b 452void AliITSsimulationSDD::HitsToAnalogDigits( AliITSmodule *mod ) {
3d2c9d72 453 // create maps to build the lists of tracks for each digit
454
455 TObjArray *fHits = mod->GetHits();
456 Int_t nhits = fHits->GetEntriesFast();
457 // Int_t arg[6] = {0,0,0,0,0,0};
458 Int_t dummy = 0;
459 Int_t nofAnodes = fNofMaps/2;
460 Float_t sddLength = fSegmentation->Dx();
461 Float_t sddWidth = fSegmentation->Dz();
462 Float_t anodePitch = fSegmentation->Dpz(dummy);
463 Float_t timeStep = fSegmentation->Dpx(dummy);
464 Float_t driftSpeed = fResponse->DriftSpeed();
465 Float_t maxadc = fResponse->MaxAdc();
466 Float_t topValue = fResponse->DynamicRange();
467 Float_t cHloss = fResponse->ChargeLoss();
468 Float_t norm = maxadc/topValue;
469 Float_t dfCoeff, s1; fResponse->DiffCoeff(dfCoeff,s1); // Signal 2d Shape
470 Double_t eVpairs = 3.6; // electron pair energy eV.
471 Float_t nsigma = fResponse->NSigmaIntegration(); //
472 Int_t nlookups = fResponse->GausNLookUp(); //
473 Float_t jitter = ((AliITSresponseSDD*)fResponse)->JitterError(); //
474
475 // Piergiorgio's part (apart for few variables which I made float
476 // when i thought that can be done
477 // Fill detector maps with GEANT hits
478 // loop over hits in the module
479
480 const Float_t kconv = 1.0e+6; // GeV->KeV
481 Int_t itrack = 0;
482 Int_t hitDetector; // detector number (lay,lad,hitDetector)
483 Int_t iWing; // which detector wing/side.
484 Int_t detector; // 2*(detector-1)+iWing
485 Int_t ii,kk,ka,kt; // loop indexs
486 Int_t ia,it,index; // sub-pixel integration indexies
487 Int_t iAnode; // anode number.
488 Int_t timeSample; // time buckett.
489 Int_t anodeWindow; // anode direction charge integration width
490 Int_t timeWindow; // time direction charge integration width
491 Int_t jamin,jamax; // anode charge integration window
492 Int_t jtmin,jtmax; // time charge integration window
493 Int_t ndiv; // Anode window division factor.
494 Int_t nsplit; // the number of splits in anode and time windows==1.
495 Int_t nOfSplits; // number of times track length is split into
496 Float_t nOfSplitsF; // Floating point version of nOfSplits.
497 Float_t kkF; // Floating point version of loop index kk.
498 Float_t pathInSDD; // Track length in SDD.
499 Float_t drPath; // average position of track in detector. in microns
500 Float_t drTime; // Drift time
501 Float_t nmul; // drift time window multiplication factor.
502 Float_t avDrft; // x position of path length segment in cm.
503 Float_t avAnode; // Anode for path length segment in Anode number (float)
504 Float_t xAnode; // Floating point anode number.
505 Float_t driftPath; // avDrft in microns.
506 Float_t width; // width of signal at anodes.
507 Double_t depEnergy; // Energy deposited in this GEANT step.
508 Double_t xL[3],dxL[3]; // local hit coordinates and diff.
509 Double_t sigA; // sigma of signal at anode.
510 Double_t sigT; // sigma in time/drift direction for track segment
511 Double_t aStep,aConst; // sub-pixel size and offset anode
512 Double_t tStep,tConst; // sub-pixel size and offset time
513 Double_t amplitude; // signal amplitude for track segment in nanoAmpere
514 Double_t chargeloss; // charge loss for track segment.
515 Double_t anodeAmplitude; // signal amplitude in anode direction
516 Double_t aExpo; // exponent of Gaussian anode direction
517 Double_t timeAmplitude; // signal amplitude in time direction
518 Double_t tExpo; // exponent of Gaussian time direction
519 // Double_t tof; // Time of flight in ns of this step.
520
521 for(ii=0; ii<nhits; ii++) {
522 if(!mod->LineSegmentL(ii,xL[0],dxL[0],xL[1],dxL[1],xL[2],dxL[2],
523 depEnergy,itrack)) continue;
524 xL[0] += 0.0001*gRandom->Gaus( 0, jitter ); //
525 depEnergy *= kconv;
526 hitDetector = mod->GetDet();
527 //tof = 1.E+09*(mod->GetHit(ii)->GetTOF()); // tof in ns.
528 //if(tof>sddLength/driftSpeed) continue; // hit happed too late.
529
530 // scale path to simulate a perpendicular track
531 // continue if the particle did not lose energy
532 // passing through detector
533 if (!depEnergy) {
534 if(GetDebug()){
535 Warning("HitsToAnalogDigits",
536 "fTrack = %d hit=%d module=%d This particle has"
537 " passed without losing energy!",
538 itrack,ii,mod->GetIndex());
539 }
540 continue;
541 } // end if !depEnergy
542
543 pathInSDD = TMath::Sqrt(dxL[0]*dxL[0]+dxL[1]*dxL[1]+dxL[2]*dxL[2]);
544
545 if (fFlag && pathInSDD) { depEnergy *= (0.03/pathInSDD); }
546 drPath = 10000.*(dxL[0]+2.*xL[0])*0.5;
547 if(drPath < 0) drPath = -drPath;
548 drPath = sddLength-drPath;
549 if(drPath < 0) {
550 if(GetDebug()){ // this should be fixed at geometry level
551 Warning("HitsToAnalogDigits",
552 "negative drift path drPath=%e sddLength=%e dxL[0]=%e "
553 "xL[0]=%e",
554 drPath,sddLength,dxL[0],xL[0]);
555 }
556 continue;
557 } // end if drPath < 0
558
559 // Compute number of segments to brake step path into
560 drTime = drPath/driftSpeed; // Drift Time
561 sigA = TMath::Sqrt(2.*dfCoeff*drTime+s1*s1);// Sigma along the anodes
562 // calcuate the number of time the path length should be split into.
563 nOfSplits = (Int_t) (1. + 10000.*pathInSDD/sigA);
564 if(fFlag) nOfSplits = 1;
565
566 // loop over path segments, init. some variables.
567 depEnergy /= nOfSplits;
568 nOfSplitsF = (Float_t) nOfSplits;
569 for(kk=0;kk<nOfSplits;kk++) { // loop over path segments
570 kkF = (Float_t) kk + 0.5;
571 avDrft = xL[0]+dxL[0]*kkF/nOfSplitsF;
572 avAnode = xL[2]+dxL[2]*kkF/nOfSplitsF;
573 driftPath = 10000.*avDrft;
574
575 iWing = 2; // Assume wing is 2
576 if(driftPath < 0) { // if wing is not 2 it is 1.
577 iWing = 1;
578 driftPath = -driftPath;
579 } // end if driftPath < 0
580 driftPath = sddLength-driftPath;
581 detector = 2*(hitDetector-1) + iWing;
582 if(driftPath < 0) {
583 if(GetDebug()){ // this should be fixed at geometry level
584 Warning("HitsToAnalogDigits","negative drift path "
585 "driftPath=%e sddLength=%e avDrft=%e dxL[0]=%e "
586 "xL[0]=%e",driftPath,sddLength,avDrft,dxL[0],xL[0]);
587 }
588 continue;
589 } // end if driftPath < 0
590
591 // Drift Time
592 drTime = driftPath/driftSpeed; // drift time for segment.
593 timeSample = (Int_t) (fScaleSize*drTime/timeStep + 1);
594 // compute time Sample including tof information. The tof only
595 // effects the time of the signal is recoreded and not the
596 // the defusion.
597 // timeSample = (Int_t) (fScaleSize*(drTime+tof)/timeStep + 1);
598 if(timeSample > fScaleSize*fMaxNofSamples) {
599 Warning("HitsToAnalogDigits","Wrong Time Sample: %e",
600 timeSample);
601 continue;
602 } // end if timeSample > fScaleSize*fMaxNoofSamples
603
604 // Anode
605 xAnode = 10000.*(avAnode)/anodePitch + nofAnodes/2; // +1?
606 if(xAnode*anodePitch > sddWidth || xAnode*anodePitch < 0.)
607 Warning("HitsToAnalogDigits",
608 "Exceedubg sddWidth=%e Z = %e",
609 sddWidth,xAnode*anodePitch);
610 iAnode = (Int_t) (1.+xAnode); // xAnode?
611 if(iAnode < 1 || iAnode > nofAnodes) {
612 Warning("HitToAnalogDigits","Wrong iAnode: 1<%d>%d",
613 iAnode,nofAnodes);
614 continue;
615 } // end if iAnode < 1 || iAnode > nofAnodes
616
617 // store straight away the particle position in the array
618 // of particles and take idhit=ii only when part is entering (this
619 // requires FillModules() in the macro for analysis) :
b0f5e3fc 620
3d2c9d72 621 // Sigma along the anodes for track segment.
622 sigA = TMath::Sqrt(2.*dfCoeff*drTime+s1*s1);
623 sigT = sigA/driftSpeed;
624 // Peak amplitude in nanoAmpere
625 amplitude = fScaleSize*160.*depEnergy/
626 (timeStep*eVpairs*2.*acos(-1.)*sigT*sigA);
627 amplitude *= timeStep/25.; // WARNING!!!!! Amplitude scaling to
628 // account for clock variations
629 // (reference value: 40 MHz)
630 chargeloss = 1.-cHloss*driftPath/1000;
631 amplitude *= chargeloss;
632 width = 2.*nsigma/(nlookups-1);
633 // Spread the charge
634 // Pixel index
635 ndiv = 2;
636 nmul = 3.;
637 if(drTime > 1200.) {
638 ndiv = 4;
639 nmul = 1.5;
640 } // end if drTime > 1200.
641 // Sub-pixel index
642 nsplit = 4; // hard-wired //nsplit=4;nsplit = (nsplit+1)/2*2;
643 // Sub-pixel size see computation of aExpo and tExpo.
644 aStep = anodePitch/(nsplit*fScaleSize*sigA);
645 aConst = xAnode*anodePitch/sigA;
646 tStep = timeStep/(nsplit*fScaleSize*sigT);
647 tConst = drTime/sigT;
648 // Define SDD window corresponding to the hit
649 anodeWindow = (Int_t)(fScaleSize*nsigma*sigA/anodePitch+1);
650 timeWindow = (Int_t) (fScaleSize*nsigma*sigT/timeStep+1.);
651 jamin = (iAnode - anodeWindow/ndiv - 1)*fScaleSize*nsplit +1;
652 jamax = (iAnode + anodeWindow/ndiv)*fScaleSize*nsplit;
653 if(jamin <= 0) jamin = 1;
654 if(jamax > fScaleSize*nofAnodes*nsplit)
655 jamax = fScaleSize*nofAnodes*nsplit;
656 // jtmin and jtmax are Hard-wired
657 jtmin = (Int_t)(timeSample-timeWindow*nmul-1)*nsplit+1;
658 jtmax = (Int_t)(timeSample+timeWindow*nmul)*nsplit;
659 if(jtmin <= 0) jtmin = 1;
660 if(jtmax > fScaleSize*fMaxNofSamples*nsplit)
661 jtmax = fScaleSize*fMaxNofSamples*nsplit;
662 // Spread the charge in the anode-time window
663 for(ka=jamin; ka <=jamax; ka++) {
664 ia = (ka-1)/(fScaleSize*nsplit) + 1;
665 if(ia <= 0) {
666 Warning("HitsToAnalogDigits","ia < 1: ");
667 continue;
668 } // end if
669 if(ia > nofAnodes) ia = nofAnodes;
670 aExpo = (aStep*(ka-0.5)-aConst);
671 if(TMath::Abs(aExpo) > nsigma) anodeAmplitude = 0.;
672 else {
673 dummy = (Int_t) ((aExpo+nsigma)/width);
674 anodeAmplitude = amplitude*fResponse->GausLookUp(dummy);
675 } // end if TMath::Abs(aEspo) > nsigma
676 // index starts from 0
677 index = ((detector+1)%2)*nofAnodes+ia-1;
678 if(anodeAmplitude) for(kt=jtmin; kt<=jtmax; kt++) {
679 it = (kt-1)/nsplit+1; // it starts from 1
680 if(it<=0){
681 Warning("HitsToAnalogDigits","it < 1:");
682 continue;
683 } // end if
684 if(it>fScaleSize*fMaxNofSamples)
685 it = fScaleSize*fMaxNofSamples;
686 tExpo = (tStep*(kt-0.5)-tConst);
687 if(TMath::Abs(tExpo) > nsigma) timeAmplitude = 0.;
688 else {
689 dummy = (Int_t) ((tExpo+nsigma)/width);
690 timeAmplitude = anodeAmplitude*
691 fResponse->GausLookUp(dummy);
692 } // end if TMath::Abs(tExpo) > nsigma
693 // build the list of Sdigits for this module
694 // arg[0] = index;
695 // arg[1] = it;
696 // arg[2] = itrack; // track number
697 // arg[3] = ii-1; // hit number.
698 timeAmplitude *= norm;
699 timeAmplitude *= 10;
700 // ListOfFiredCells(arg,timeAmplitude,alst,padr);
701 Double_t charge = timeAmplitude;
702 charge += fHitMap2->GetSignal(index,it-1);
703 fHitMap2->SetHit(index, it-1, charge);
704 fpList->AddSignal(index,it-1,itrack,ii-1,
705 mod->GetIndex(),timeAmplitude);
706 fAnodeFire[index] = kTRUE;
707 } // end if anodeAmplitude and loop over time in window
708 } // loop over anodes in window
709 } // end loop over "sub-hits"
710 } // end loop over hits
b0f5e3fc 711}
50d05d7b 712
713/*
8a33ae9e 714//______________________________________________________________________
b0f5e3fc 715void AliITSsimulationSDD::ListOfFiredCells(Int_t *arg,Double_t timeAmplitude,
3d2c9d72 716 TObjArray *alist,TClonesArray *padr){
717 // Returns the list of "fired" cells.
718
719 Int_t index = arg[0];
720 Int_t ik = arg[1];
721 Int_t idtrack = arg[2];
722 Int_t idhit = arg[3];
723 Int_t counter = arg[4];
724 Int_t countadr = arg[5];
725 Double_t charge = timeAmplitude;
726 charge += fHitMap2->GetSignal(index,ik-1);
727 fHitMap2->SetHit(index, ik-1, charge);
728
729 Int_t digits[3];
730 Int_t it = (Int_t)((ik-1)/fScaleSize);
731 digits[0] = index;
732 digits[1] = it;
733 digits[2] = (Int_t)timeAmplitude;
734 Float_t phys;
735 if (idtrack >= 0) phys = (Float_t)timeAmplitude;
736 else phys = 0;
737
738 Double_t cellcharge = 0.;
739 AliITSTransientDigit* pdigit;
740 // build the list of fired cells and update the info
741 if (!fHitMap1->TestHit(index, it)) {
742 new((*padr)[countadr++]) TVector(3);
743 TVector &trinfo=*((TVector*) (*padr)[countadr-1]);
744 trinfo(0) = (Float_t)idtrack;
745 trinfo(1) = (Float_t)idhit;
746 trinfo(2) = (Float_t)timeAmplitude;
747
748 alist->AddAtAndExpand(new AliITSTransientDigit(phys,digits),counter);
749 fHitMap1->SetHit(index, it, counter);
750 counter++;
751 pdigit=(AliITSTransientDigit*)alist->At(alist->GetLast());
752 // list of tracks
753 TObjArray *trlist=(TObjArray*)pdigit->TrackList();
754 trlist->Add(&trinfo);
755 } else {
756 pdigit = (AliITSTransientDigit*) fHitMap1->GetHit(index, it);
757 for(Int_t kk=0;kk<fScaleSize;kk++) {
758 cellcharge += fHitMap2->GetSignal(index,fScaleSize*it+kk);
759 } // end for kk
760 // update charge
761 (*pdigit).fSignal = (Int_t)cellcharge;
762 (*pdigit).fPhysics += phys;
763 // update list of tracks
764 TObjArray* trlist = (TObjArray*)pdigit->TrackList();
765 Int_t lastentry = trlist->GetLast();
766 TVector *ptrkp = (TVector*)trlist->At(lastentry);
767 TVector &trinfo = *ptrkp;
768 Int_t lasttrack = Int_t(trinfo(0));
769 Float_t lastcharge=(trinfo(2));
770 if (lasttrack==idtrack ) {
771 lastcharge += (Float_t)timeAmplitude;
772 trlist->RemoveAt(lastentry);
773 trinfo(0) = lasttrack;
774 trinfo(1) = idhit;
775 trinfo(2) = lastcharge;
776 trlist->AddAt(&trinfo,lastentry);
777 } else {
778 new((*padr)[countadr++]) TVector(3);
779 TVector &trinfo=*((TVector*) (*padr)[countadr-1]);
780 trinfo(0) = (Float_t)idtrack;
781 trinfo(1) = (Float_t)idhit;
782 trinfo(2) = (Float_t)timeAmplitude;
783 trlist->Add(&trinfo);
784 } // end if lasttrack==idtrack
b0f5e3fc 785
786#ifdef print
3d2c9d72 787 // check the track list - debugging
788 Int_t trk[20], htrk[20];
789 Float_t chtrk[20];
790 Int_t nptracks = trlist->GetEntriesFast();
791 if (nptracks > 2) {
792 Int_t tr;
793 for (tr=0;tr<nptracks;tr++) {
794 TVector *pptrkp = (TVector*)trlist->At(tr);
795 TVector &pptrk = *pptrkp;
796 trk[tr] = Int_t(pptrk(0));
797 htrk[tr] = Int_t(pptrk(1));
798 chtrk[tr] = (pptrk(2));
799 cout << "nptracks "<<nptracks << endl;
800 } // end for tr
801 } // end if nptracks
b0f5e3fc 802#endif
3d2c9d72 803 } // end if pdigit
b0f5e3fc 804
3d2c9d72 805 // update counter and countadr for next call.
806 arg[4] = counter;
807 arg[5] = countadr;
b0f5e3fc 808}
50d05d7b 809*/
810
b0f5e3fc 811//____________________________________________
50d05d7b 812void AliITSsimulationSDD::AddDigit( Int_t i, Int_t j, Int_t signal ) {
3d2c9d72 813 // Adds a Digit.
814 Int_t size = AliITSdigitSPD::GetNTracks();
815 Int_t digits[3];
816 Int_t * tracks = new Int_t[size];
817 Int_t * hits = new Int_t[size];
818 Float_t phys;
819 Float_t * charges = new Float_t[size];
820
821 digits[0] = i;
822 digits[1] = j;
823 digits[2] = signal;
824
825 AliITSpListItem *pItem = fpList->GetpListItem( i, j );
826 if( pItem == 0 ) {
827 phys = 0.0;
828 for( Int_t l=0; l<size; l++ ) {
829 tracks[l] = 0;
830 hits[l] = 0;
831 charges[l] = 0.0;
50d05d7b 832 }
3d2c9d72 833 } else {
834 Int_t idtrack = pItem->GetTrack( 0 );
835 if( idtrack >= 0 ) phys = pItem->GetSignal();
836 else phys = 0.0;
837
838 for( Int_t l=0; l<size; l++ ) if(l<pItem->GetMaxKept()) {
839 tracks[l] = pItem->GetTrack( l );
840 hits[l] = pItem->GetHit( l );
841 charges[l] = pItem->GetSignal( l );
842 }else{
843 tracks[l] = -3;
844 hits[l] = -1;
845 charges[l] = 0.0;
846 }// end for if
847 }
848
849 fITS->AddSimDigit( 1, phys, digits, tracks, hits, charges );
850 delete [] tracks;
851 delete [] hits;
852 delete [] charges;
50d05d7b 853}
854
8a33ae9e 855//______________________________________________________________________
48058160 856void AliITSsimulationSDD::ChargeToSignal(Bool_t bAddNoise) {
3d2c9d72 857 // add baseline, noise, electronics and ADC saturation effects
858
859 char opt1[20], opt2[20];
860 fResponse->ParamOptions(opt1,opt2);
861 char *read = strstr(opt1,"file");
862 Float_t baseline, noise;
863
864 if (read) {
865 static Bool_t readfile=kTRUE;
866 //read baseline and noise from file
867 if (readfile) ReadBaseline();
868 readfile=kFALSE;
869 } else fResponse->GetNoiseParam(noise,baseline);
870
871 Float_t contrib=0;
872 Int_t i,k,kk;
873 Float_t maxadc = fResponse->MaxAdc();
874 if(!fDoFFT) {
ece86d9a 875 for (i=0;i<fNofMaps;i++) {
3d2c9d72 876 if( !fAnodeFire[i] ) continue;
877 if (read && i<fNofMaps) GetAnodeBaseline(i,baseline,noise);
878 for(k=0; k<fScaleSize*fMaxNofSamples; k++) {
879 fInZR[k] = fHitMap2->GetSignal(i,k);
880 if( bAddNoise ) {
881 contrib = (baseline + noise*gRandom->Gaus());
882 fInZR[k] += contrib;
883 }
884 } // end for k
885 for(k=0; k<fMaxNofSamples; k++) {
886 Double_t newcont = 0.;
887 Double_t maxcont = 0.;
888 for(kk=0;kk<fScaleSize;kk++) {
889 newcont = fInZR[fScaleSize*k+kk];
890 if(newcont > maxcont) maxcont = newcont;
891 } // end for kk
892 newcont = maxcont;
893 if (newcont >= maxadc) newcont = maxadc -1;
894 if(newcont >= baseline){
895 Warning("","newcont=%d>=baseline=%d",newcont,baseline);
896 } // end if
897 // back to analog: ?
898 fHitMap2->SetHit(i,k,newcont);
899 } // end for k
8a33ae9e 900 } // end for i loop over anodes
3d2c9d72 901 return;
902 } // end if DoFFT
903
904 for (i=0;i<fNofMaps;i++) {
905 if( !fAnodeFire[i] ) continue;
906 if (read && i<fNofMaps) GetAnodeBaseline(i,baseline,noise);
907 for(k=0; k<fScaleSize*fMaxNofSamples; k++) {
908 fInZR[k] = fHitMap2->GetSignal(i,k);
909 if( bAddNoise ) {
910 contrib = (baseline + noise*gRandom->Gaus());
911 fInZR[k] += contrib;
912 }
913 fInZI[k] = 0.;
914 } // end for k
915 FastFourierTransform(fElectronics,&fInZR[0],&fInZI[0],1);
916 for(k=0; k<fScaleSize*fMaxNofSamples; k++) {
917 Double_t rw = fElectronics->GetTraFunReal(k);
918 Double_t iw = fElectronics->GetTraFunImag(k);
919 fOutZR[k] = fInZR[k]*rw - fInZI[k]*iw;
920 fOutZI[k] = fInZR[k]*iw + fInZI[k]*rw;
921 } // end for k
922 FastFourierTransform(fElectronics,&fOutZR[0],&fOutZI[0],-1);
923 for(k=0; k<fMaxNofSamples; k++) {
924 Double_t newcont1 = 0.;
925 Double_t maxcont1 = 0.;
926 for(kk=0;kk<fScaleSize;kk++) {
927 newcont1 = fOutZR[fScaleSize*k+kk];
928 if(newcont1 > maxcont1) maxcont1 = newcont1;
929 } // end for kk
930 newcont1 = maxcont1;
931 if (newcont1 >= maxadc) newcont1 = maxadc -1;
932 fHitMap2->SetHit(i,k,newcont1);
933 } // end for k
934 } // end for i loop over anodes
ece86d9a 935 return;
b0f5e3fc 936}
50d05d7b 937//____________________________________________________________________
938void AliITSsimulationSDD::ApplyDeadChannels() {
3d2c9d72 939 // Set dead channel signal to zero
940 AliITSresponseSDD * response = (AliITSresponseSDD *)fResponse;
50d05d7b 941
3d2c9d72 942 // nothing to do
943 if( response->GetDeadModules() == 0 &&
944 response->GetDeadChips() == 0 &&
945 response->GetDeadChannels() == 0 )
946 return;
50d05d7b 947
3d2c9d72 948 static AliITS *iTS = (AliITS*)gAlice->GetModule( "ITS" );
949
950 Int_t fMaxNofSamples = fSegmentation->Npx();
951 AliITSgeom *geom = iTS->GetITSgeom();
952 Int_t firstSDDMod = geom->GetStartDet( 1 );
953 // loop over wings
954 for( Int_t j=0; j<2; j++ ) {
955 Int_t mod = (fModule-firstSDDMod)*2 + j;
956 for( Int_t u=0; u<response->Chips(); u++ )
957 for( Int_t v=0; v<response->Channels(); v++ ) {
958 Float_t Gain = response->Gain( mod, u, v );
959 for( Int_t k=0; k<fMaxNofSamples; k++ ) {
960 Int_t i = j*response->Chips()*response->Channels() +
961 u*response->Channels() +
962 v;
963 Double_t signal = Gain * fHitMap2->GetSignal( i, k );
964 fHitMap2->SetHit( i, k, signal ); ///
965 }
966 }
967 }
50d05d7b 968}
969//______________________________________________________________________
970void AliITSsimulationSDD::ApplyCrosstalk() {
3d2c9d72 971 // function add the crosstalk effect to signal
972 // temporal function, should be checked...!!!
50d05d7b 973
3d2c9d72 974 Int_t fNofMaps = fSegmentation->Npz();
975 Int_t fMaxNofSamples = fSegmentation->Npx();
976
977 // create and inizialice crosstalk map
978 Float_t* ctk = new Float_t[fNofMaps*fMaxNofSamples+1];
979 if( ctk == NULL ) {
980 Error( "ApplyCrosstalk", "no memory for temporal map: exit \n" );
981 return;
982 }
983 memset( ctk, 0, sizeof(Float_t)*(fNofMaps*fMaxNofSamples+1) );
50d05d7b 984
3d2c9d72 985 Float_t noise, baseline;
986 fResponse->GetNoiseParam( noise, baseline );
50d05d7b 987
3d2c9d72 988 for( Int_t z=0; z<fNofMaps; z++ ) {
989 Bool_t on = kFALSE;
990 Int_t tstart = 0;
991 Int_t tstop = 0;
992 Int_t nTsteps = 0;
50d05d7b 993
3d2c9d72 994 for( Int_t l=0; l<fMaxNofSamples; l++ ) {
995 Float_t fadc = (Float_t)fHitMap2->GetSignal( z, l );
996 if( fadc > baseline ) {
997 if( on == kFALSE && l<fMaxNofSamples-4 ) {
998 Float_t fadc1 = (Float_t)fHitMap2->GetSignal( z, l+1 );
999 if( fadc1 < fadc ) continue;
1000 on = kTRUE;
1001 nTsteps = 0;
1002 tstart = l;
1003 }
1004 nTsteps++;
1005 }
1006 else { // end fadc > baseline
1007 if( on == kTRUE ) {
1008 if( nTsteps > 2 ) {
1009 tstop = l;
1010 // make smooth derivative
1011 Float_t* dev = new Float_t[fMaxNofSamples+1];
1012 memset( dev, 0, sizeof(Float_t)*(fMaxNofSamples+1) );
1013 if( ctk == NULL ) {
1014 Error( "ApplyCrosstalk",
1015 "no memory for temporal array: exit \n" );
1016 return;
1017 }
1018 for( Int_t i=tstart; i<tstop; i++ ) {
1019 if( i > 2 && i < fMaxNofSamples-2 )
1020 dev[i] = -0.2*fHitMap2->GetSignal( z,i-2 )
1021 -0.1*fHitMap2->GetSignal( z,i-1 )
1022 +0.1*fHitMap2->GetSignal( z,i+1 )
1023 +0.2*fHitMap2->GetSignal( z,i+2 );
1024 }
50d05d7b 1025
3d2c9d72 1026 // add crosstalk contribution to neibourg anodes
1027 for( Int_t i=tstart; i<tstop; i++ ) {
1028 Int_t anode = z - 1;
1029 Int_t i1 = (Int_t)((i-tstart)*.61+tstart+0.5); //
1030 Float_t ctktmp = -dev[i1] * 0.25;
1031 if( anode > 0 ) {
1032 ctk[anode*fMaxNofSamples+i] += ctktmp;
1033 }
1034 anode = z + 1;
1035 if( anode < fNofMaps ) {
1036 ctk[anode*fMaxNofSamples+i] += ctktmp;
1037 }
1038 }
1039 delete [] dev;
50d05d7b 1040
3d2c9d72 1041 } // if( nTsteps > 2 )
1042 on = kFALSE;
1043 } // if( on == kTRUE )
1044 } // else
50d05d7b 1045 }
3d2c9d72 1046 }
50d05d7b 1047
3d2c9d72 1048 for( Int_t a=0; a<fNofMaps; a++ )
1049 for( Int_t t=0; t<fMaxNofSamples; t++ ) {
1050 Float_t signal = fHitMap2->GetSignal( a, t ) + ctk[a*fMaxNofSamples+t];
1051 fHitMap2->SetHit( a, t, signal );
1052 }
50d05d7b 1053
3d2c9d72 1054 delete [] ctk;
50d05d7b 1055}
8a33ae9e 1056//______________________________________________________________________
b0f5e3fc 1057void AliITSsimulationSDD::GetAnodeBaseline(Int_t i,Float_t &baseline,
1058 Float_t &noise){
3d2c9d72 1059 // Returns the Baseline for a particular anode.
1060 baseline = fBaseline[i];
1061 noise = fNoise[i];
b0f5e3fc 1062}
8a33ae9e 1063//______________________________________________________________________
b0f5e3fc 1064void AliITSsimulationSDD::CompressionParam(Int_t i,Int_t &db,Int_t &tl,
1065 Int_t &th){
3d2c9d72 1066 // Returns the compression alogirthm parameters
1067 Int_t size = fD.GetSize();
1068 if (size > 2 ) {
1069 db=fD[i]; tl=fT1[i]; th=fT2[i];
1070 } else {
1071 if (size <= 2 && i>=fNofMaps/2) {
1072 db=fD[1]; tl=fT1[1]; th=fT2[1];
8a33ae9e 1073 } else {
3d2c9d72 1074 db=fD[0]; tl=fT1[0]; th=fT2[0];
1075 } // end if size <=2 && i>=fNofMaps/2
1076 } // end if size >2
b0f5e3fc 1077}
8a33ae9e 1078//______________________________________________________________________
b0f5e3fc 1079void AliITSsimulationSDD::CompressionParam(Int_t i,Int_t &db,Int_t &tl){
3d2c9d72 1080 // returns the compression alogirthm parameters
1081 Int_t size = fD.GetSize();
1082
1083 if (size > 2 ) {
1084 db=fD[i]; tl=fT1[i];
1085 } else {
1086 if (size <= 2 && i>=fNofMaps/2) {
1087 db=fD[1]; tl=fT1[1];
8a33ae9e 1088 } else {
3d2c9d72 1089 db=fD[0]; tl=fT1[0];
1090 } // end if size <=2 && i>=fNofMaps/2
1091 // Warning("CompressionParam","\n Size= %d . Values i=%d ; db= %d ; tl= %d",size,i,db,tl);
1092 } // end if size > 2
b0f5e3fc 1093}
8a33ae9e 1094//______________________________________________________________________
b0f5e3fc 1095void AliITSsimulationSDD::SetCompressParam(){
3d2c9d72 1096 // Sets the compression alogirthm parameters
1097 Int_t cp[8],i;
1098
1099 fResponse->GiveCompressParam(cp);
1100 for (i=0; i<2; i++) {
1101 fD[i] = cp[i];
1102 fT1[i] = cp[i+2];
1103 fT2[i] = cp[i+4];
1104 fTol[i] = cp[i+6];
1105 } // end for i
b0f5e3fc 1106}
8a33ae9e 1107//______________________________________________________________________
b0f5e3fc 1108void AliITSsimulationSDD::ReadBaseline(){
3d2c9d72 1109 // read baseline and noise from file - either a .root file and in this
1110 // case data should be organised in a tree with one entry for each
1111 // module => reading should be done accordingly
1112 // or a classic file and do smth. like this:
1113 // Read baselines and noise for SDD
1114
1115 Int_t na,pos;
1116 Float_t bl,n;
1117 char input[100], base[100], param[100];
1118 char *filtmp;
1119
1120 fResponse->Filenames(input,base,param);
1121 fFileName=base;
1122 //
1123 filtmp = gSystem->ExpandPathName(fFileName.Data());
1124 FILE *bline = fopen(filtmp,"r");
1125 na = 0;
1126
1127 if(bline) {
1128 while(fscanf(bline,"%d %f %f",&pos, &bl, &n) != EOF) {
1129 if (pos != na+1) {
1130 Error("ReadBaseline","Anode number not in increasing order!",
1131 filtmp);
1132 exit(1);
1133 } // end if pos != na+1
1134 fBaseline[na]=bl;
1135 fNoise[na]=n;
1136 na++;
1137 } // end while
1138 } else {
1139 Error("ReadBaseline"," THE BASELINE FILE %s DOES NOT EXIST !",filtmp);
1140 exit(1);
1141 } // end if(bline)
1142
1143 fclose(bline);
1144 delete [] filtmp;
b0f5e3fc 1145}
8a33ae9e 1146//______________________________________________________________________
1147Int_t AliITSsimulationSDD::Convert10to8(Int_t signal) const {
3d2c9d72 1148 // To the 10 to 8 bit lossive compression.
1149 // code from Davide C. and Albert W.
1150
1151 if (signal < 128) return signal;
1152 if (signal < 256) return (128+((signal-128)>>1));
1153 if (signal < 512) return (192+((signal-256)>>3));
1154 if (signal < 1024) return (224+((signal-512)>>4));
1155 return 0;
b0f5e3fc 1156}
50d05d7b 1157
1158/*
8a33ae9e 1159//______________________________________________________________________
b0f5e3fc 1160AliITSMap* AliITSsimulationSDD::HitMap(Int_t i){
3d2c9d72 1161 //Return the correct map.
8a33ae9e 1162
3d2c9d72 1163 return ((i==0)? fHitMap1 : fHitMap2);
1164}
1165*/
50d05d7b 1166
8a33ae9e 1167//______________________________________________________________________
e8189707 1168void AliITSsimulationSDD::ZeroSuppression(const char *option) {
3d2c9d72 1169 // perform the zero suppresion
1170
1171 if (strstr(option,"2D")) {
1172 //Init2D(); // activate if param change module by module
1173 Compress2D();
1174 } else if (strstr(option,"1D")) {
1175 //Init1D(); // activate if param change module by module
1176 Compress1D();
1177 } else StoreAllDigits();
b0f5e3fc 1178}
8a33ae9e 1179//______________________________________________________________________
b0f5e3fc 1180void AliITSsimulationSDD::Init2D(){
3d2c9d72 1181 // read in and prepare arrays: fD, fT1, fT2
1182 // savemu[nanodes], savesigma[nanodes]
1183 // read baseline and noise from file - either a .root file and in this
1184 // case data should be organised in a tree with one entry for each
1185 // module => reading should be done accordingly
1186 // or a classic file and do smth. like this ( code from Davide C. and
1187 // Albert W.) :
1188 // Read 2D zero-suppression parameters for SDD
1189
1190 if (!strstr(fParam.Data(),"file")) return;
1191
1192 Int_t na,pos,tempTh;
1193 Float_t mu,sigma;
1194 Float_t *savemu = new Float_t [fNofMaps];
1195 Float_t *savesigma = new Float_t [fNofMaps];
1196 char input[100],basel[100],par[100];
1197 char *filtmp;
1198 Float_t tmp1,tmp2;
1199 fResponse->Thresholds(tmp1,tmp2);
1200 Int_t minval = static_cast<Int_t>(tmp1);
1201
1202 fResponse->Filenames(input,basel,par);
1203 fFileName = par;
1204 //
1205 filtmp = gSystem->ExpandPathName(fFileName.Data());
1206 FILE *param = fopen(filtmp,"r");
1207 na = 0;
1208
1209 if(param) {
1210 while(fscanf(param,"%d %f %f",&pos, &mu, &sigma) != EOF) {
1211 if (pos != na+1) {
1212 Error("Init2D","Anode number not in increasing order!",filtmp);
1213 exit(1);
1214 } // end if pos != na+1
1215 savemu[na] = mu;
1216 savesigma[na] = sigma;
1217 if ((2.*sigma) < mu) {
1218 fD[na] = (Int_t)floor(mu - 2.0*sigma + 0.5);
1219 mu = 2.0 * sigma;
1220 } else fD[na] = 0;
1221 tempTh = (Int_t)floor(mu+2.25*sigma+0.5) - minval;
1222 if (tempTh < 0) tempTh=0;
1223 fT1[na] = tempTh;
1224 tempTh = (Int_t)floor(mu+3.0*sigma+0.5) - minval;
1225 if (tempTh < 0) tempTh=0;
1226 fT2[na] = tempTh;
1227 na++;
1228 } // end while
1229 } else {
1230 Error("Init2D","THE FILE %s DOES NOT EXIST !",filtmp);
1231 exit(1);
1232 } // end if(param)
1233
1234 fclose(param);
1235 delete [] filtmp;
1236 delete [] savemu;
1237 delete [] savesigma;
8a33ae9e 1238}
1239//______________________________________________________________________
b0f5e3fc 1240void AliITSsimulationSDD::Compress2D(){
3d2c9d72 1241 // simple ITS cluster finder -- online zero-suppression conditions
1242
1243 Int_t db,tl,th;
1244 Float_t tmp1,tmp2;
1245 fResponse->Thresholds(tmp1,tmp2);
1246 Int_t minval = static_cast<Int_t>(tmp1);
1247 Bool_t write = fResponse->OutputOption();
1248 Bool_t do10to8 = fResponse->Do10to8();
1249 Int_t nz, nl, nh, low, i, j;
1250
1251 for (i=0; i<fNofMaps; i++) {
1252 CompressionParam(i,db,tl,th);
1253 nz = 0;
1254 nl = 0;
1255 nh = 0;
1256 low = 0;
1257 for (j=0; j<fMaxNofSamples; j++) {
1258 Int_t signal=(Int_t)(fHitMap2->GetSignal(i,j));
1259 signal -= db; // if baseline eq. is done here
1260 if (signal <= 0) {nz++; continue;}
1261 if ((signal - tl) < minval) low++;
1262 if ((signal - th) >= minval) {
1263 nh++;
1264 Bool_t cond=kTRUE;
1265 FindCluster(i,j,signal,minval,cond);
1266 if(cond && j &&
1267 ((TMath::Abs(fHitMap2->GetSignal(i,j-1))-th)>=minval)){
1268 if(do10to8) signal = Convert10to8(signal);
1269 AddDigit(i,j,signal);
1270 } // end if cond&&j&&()
1271 } else if ((signal - tl) >= minval) nl++;
1272 } // end for j loop time samples
1273 if (write) TreeB()->Fill(nz,nl,nh,low,i+1);
1274 } //end for i loop anodes
1275
1276 char hname[30];
1277 if (write) {
1278 sprintf(hname,"TNtuple%d_%d",fModule,fEvent);
1279 TreeB()->Write(hname);
1280 // reset tree
1281 TreeB()->Reset();
1282 } // end if write
8a33ae9e 1283}
1284//______________________________________________________________________
b0f5e3fc 1285void AliITSsimulationSDD::FindCluster(Int_t i,Int_t j,Int_t signal,
ece86d9a 1286 Int_t minval,Bool_t &cond){
3d2c9d72 1287 // Find clusters according to the online 2D zero-suppression algorithm
1288 Bool_t do10to8 = fResponse->Do10to8();
1289 Bool_t high = kFALSE;
b0f5e3fc 1290
3d2c9d72 1291 fHitMap2->FlagHit(i,j);
1292 //
1293 // check the online zero-suppression conditions
1294 //
1295 const Int_t kMaxNeighbours = 4;
1296 Int_t nn;
1297 Int_t dbx,tlx,thx;
1298 Int_t xList[kMaxNeighbours], yList[kMaxNeighbours];
1299 fSegmentation->Neighbours(i,j,&nn,xList,yList);
1300 Int_t in,ix,iy,qns;
1301 for (in=0; in<nn; in++) {
1302 ix=xList[in];
1303 iy=yList[in];
1304 if (fHitMap2->TestHit(ix,iy)==kUnused) {
1305 CompressionParam(ix,dbx,tlx,thx);
1306 Int_t qn = (Int_t)(fHitMap2->GetSignal(ix,iy));
1307 qn -= dbx; // if baseline eq. is done here
1308 if ((qn-tlx) < minval) {
1309 fHitMap2->FlagHit(ix,iy);
1310 continue;
1311 } else {
1312 if ((qn - thx) >= minval) high=kTRUE;
1313 if (cond) {
1314 if(do10to8) signal = Convert10to8(signal);
1315 AddDigit(i,j,signal);
1316 } // end if cond
1317 if(do10to8) qns = Convert10to8(qn);
1318 else qns=qn;
1319 if (!high) AddDigit(ix,iy,qns);
1320 cond=kFALSE;
1321 if(!high) fHitMap2->FlagHit(ix,iy);
1322 } // end if qn-tlx < minval
1323 } // end if TestHit
1324 } // end for in loop over neighbours
b0f5e3fc 1325}
8a33ae9e 1326//______________________________________________________________________
b0f5e3fc 1327void AliITSsimulationSDD::Init1D(){
3d2c9d72 1328 // this is just a copy-paste of input taken from 2D algo
1329 // Torino people should give input
1330 // Read 1D zero-suppression parameters for SDD
1331
1332 if (!strstr(fParam.Data(),"file")) return;
1333
1334 Int_t na,pos,tempTh;
1335 Float_t mu,sigma;
1336 Float_t *savemu = new Float_t [fNofMaps];
1337 Float_t *savesigma = new Float_t [fNofMaps];
1338 char input[100],basel[100],par[100];
1339 char *filtmp;
1340 Float_t tmp1,tmp2;
1341 fResponse->Thresholds(tmp1,tmp2);
1342 Int_t minval = static_cast<Int_t>(tmp1);
1343
1344 fResponse->Filenames(input,basel,par);
1345 fFileName=par;
1346
1347 // set first the disable and tol param
1348 SetCompressParam();
1349 //
1350 filtmp = gSystem->ExpandPathName(fFileName.Data());
1351 FILE *param = fopen(filtmp,"r");
1352 na = 0;
1353
1354 if (param) {
1355 fscanf(param,"%d %d %d %d ", &fT2[0], &fT2[1], &fTol[0], &fTol[1]);
1356 while(fscanf(param,"%d %f %f",&pos, &mu, &sigma) != EOF) {
1357 if (pos != na+1) {
1358 Error("Init1D","Anode number not in increasing order!",filtmp);
1359 exit(1);
1360 } // end if pos != na+1
1361 savemu[na]=mu;
1362 savesigma[na]=sigma;
1363 if ((2.*sigma) < mu) {
1364 fD[na] = (Int_t)floor(mu - 2.0*sigma + 0.5);
1365 mu = 2.0 * sigma;
1366 } else fD[na] = 0;
1367 tempTh = (Int_t)floor(mu+2.25*sigma+0.5) - minval;
1368 if (tempTh < 0) tempTh=0;
1369 fT1[na] = tempTh;
1370 na++;
1371 } // end while
1372 } else {
1373 Error("Init1D","THE FILE %s DOES NOT EXIST !",filtmp);
1374 exit(1);
1375 } // end if(param)
1376
1377 fclose(param);
1378 delete [] filtmp;
1379 delete [] savemu;
1380 delete [] savesigma;
8a33ae9e 1381}
1382//______________________________________________________________________
b0f5e3fc 1383void AliITSsimulationSDD::Compress1D(){
3d2c9d72 1384 // 1D zero-suppression algorithm (from Gianluca A.)
1385 Int_t dis,tol,thres,decr,diff;
1386 UChar_t *str=fStream->Stream();
1387 Int_t counter=0;
1388 Bool_t do10to8=fResponse->Do10to8();
1389 Int_t last=0;
1390 Int_t k,i,j;
1391
1392 for (k=0; k<2; k++) {
1393 tol = Tolerance(k);
1394 dis = Disable(k);
1395 for (i=0; i<fNofMaps/2; i++) {
1396 Bool_t firstSignal=kTRUE;
1397 Int_t idx=i+k*fNofMaps/2;
1398 if( !fAnodeFire[idx] ) continue;
1399 CompressionParam(idx,decr,thres);
1400
1401 for (j=0; j<fMaxNofSamples; j++) {
1402 Int_t signal=(Int_t)(fHitMap2->GetSignal(idx,j));
1403 signal -= decr; // if baseline eq.
1404 if(do10to8) signal = Convert10to8(signal);
1405 if (signal <= thres) {
1406 signal=0;
1407 diff=128;
1408 last=0;
1409 // write diff in the buffer for HuffT
1410 str[counter]=(UChar_t)diff;
1411 counter++;
1412 continue;
1413 } // end if signal <= thres
1414 diff=signal-last;
1415 if (diff > 127) diff=127;
1416 if (diff < -128) diff=-128;
1417 if (signal < dis) {
1418 // tol has changed to 8 possible cases ? - one can write
1419 // this if(TMath::Abs(diff)<tol) ... else ...
1420 if(TMath::Abs(diff)<tol) diff=0;
1421 // or keep it as it was before
1422 AddDigit(idx,j,last+diff);
1423 } else {
1424 AddDigit(idx,j,signal);
1425 } // end if singal < dis
1426 diff += 128;
1427 // write diff in the buffer used to compute Huffman tables
1428 if (firstSignal) str[counter]=(UChar_t)signal;
1429 else str[counter]=(UChar_t)diff;
1430 counter++;
1431 last=signal;
1432 firstSignal=kFALSE;
1433 } // end for j loop time samples
1434 } // end for i loop anodes one half of detector
1435 } // end for k
b0f5e3fc 1436
1437 // check
3d2c9d72 1438 fStream->CheckCount(counter);
b0f5e3fc 1439
3d2c9d72 1440 // open file and write out the stream of diff's
1441 static Bool_t open=kTRUE;
1442 static TFile *outFile;
1443 Bool_t write = fResponse->OutputOption();
1444 TDirectory *savedir = gDirectory;
b0f5e3fc 1445
3d2c9d72 1446 if (write ) {
1447 if(open) {
1448 SetFileName("stream.root");
1449 cout<<"filename "<<fFileName<<endl;
1450 outFile=new TFile(fFileName,"recreate");
1451 cout<<"I have opened "<<fFileName<<" file "<<endl;
1452 } // end if open
1453 open = kFALSE;
1454 outFile->cd();
1455 fStream->Write();
1456 } // endif write
1457
1458 fStream->ClearStream();
1459
1460 // back to galice.root file
1461 if(savedir) savedir->cd();
8a33ae9e 1462}
1463//______________________________________________________________________
b0f5e3fc 1464void AliITSsimulationSDD::StoreAllDigits(){
3d2c9d72 1465 // if non-zero-suppressed data
1466 Bool_t do10to8 = fResponse->Do10to8();
1467 Int_t i, j, digits[3];
1468
1469 for (i=0; i<fNofMaps; i++) {
1470 for (j=0; j<fMaxNofSamples; j++) {
1471 Int_t signal=(Int_t)(fHitMap2->GetSignal(i,j));
1472 if(do10to8) signal = Convert10to8(signal);
1473 digits[0] = i;
1474 digits[1] = j;
1475 digits[2] = signal;
1476 fITS->AddRealDigit(1,digits);
1477 } // end for j
1478 } // end for i
b0f5e3fc 1479}
8a33ae9e 1480//______________________________________________________________________
ece86d9a 1481void AliITSsimulationSDD::CreateHistograms(Int_t scale){
3d2c9d72 1482 // Creates histograms of maps for debugging
1483 Int_t i;
1484
1485 fHis=new TObjArray(fNofMaps);
1486 for (i=0;i<fNofMaps;i++) {
1487 TString sddName("sdd_");
1488 Char_t candNum[4];
1489 sprintf(candNum,"%d",i+1);
1490 sddName.Append(candNum);
1491 fHis->AddAt(new TH1F(sddName.Data(),"SDD maps",scale*fMaxNofSamples,
1492 0.,(Float_t) scale*fMaxNofSamples), i);
1493 } // end for i
b0f5e3fc 1494}
8a33ae9e 1495//______________________________________________________________________
ece86d9a 1496void AliITSsimulationSDD::FillHistograms(){
3d2c9d72 1497 // fill 1D histograms from map
8a33ae9e 1498
3d2c9d72 1499 if (!fHis) return;
8a33ae9e 1500
3d2c9d72 1501 for( Int_t i=0; i<fNofMaps; i++) {
1502 TH1F *hist =(TH1F *)fHis->UncheckedAt(i);
1503 Int_t nsamples = hist->GetNbinsX();
1504 for( Int_t j=0; j<nsamples; j++) {
1505 Double_t signal=fHitMap2->GetSignal(i,j);
1506 hist->Fill((Float_t)j,signal);
1507 } // end for j
1508 } // end for i
ece86d9a 1509}
8a33ae9e 1510//______________________________________________________________________
b0f5e3fc 1511void AliITSsimulationSDD::ResetHistograms(){
3d2c9d72 1512 // Reset histograms for this detector
1513 Int_t i;
8a33ae9e 1514
3d2c9d72 1515 for (i=0;i<fNofMaps;i++ ) {
1516 if (fHis->At(i)) ((TH1F*)fHis->At(i))->Reset();
1517 } // end for i
b0f5e3fc 1518}
8a33ae9e 1519//______________________________________________________________________
b0f5e3fc 1520TH1F *AliITSsimulationSDD::GetAnode(Int_t wing, Int_t anode) {
3d2c9d72 1521 // Fills a histogram from a give anode.
8a33ae9e 1522
3d2c9d72 1523 if (!fHis) return 0;
8a33ae9e 1524
3d2c9d72 1525 if(wing <=0 || wing > 2) {
1526 Warning("GetAnode","Wrong wing number: %d",wing);
1527 return NULL;
1528 } // end if wing <=0 || wing >2
1529 if(anode <=0 || anode > fNofMaps/2) {
1530 Warning("GetAnode","Wrong anode number: %d",anode);
1531 return NULL;
1532 } // end if ampde <=0 || andoe > fNofMaps/2
8a33ae9e 1533
3d2c9d72 1534 Int_t index = (wing-1)*fNofMaps/2 + anode-1;
1535 return (TH1F*)(fHis->At(index));
b0f5e3fc 1536}
8a33ae9e 1537//______________________________________________________________________
b0f5e3fc 1538void AliITSsimulationSDD::WriteToFile(TFile *hfile) {
3d2c9d72 1539 // Writes the histograms to a file
b0f5e3fc 1540
3d2c9d72 1541 if (!fHis) return;
8a33ae9e 1542
3d2c9d72 1543 hfile->cd();
1544 Int_t i;
1545 for(i=0; i<fNofMaps; i++) fHis->At(i)->Write(); //fAdcs[i]->Write();
1546 return;
b0f5e3fc 1547}
8a33ae9e 1548//______________________________________________________________________
ece86d9a 1549Float_t AliITSsimulationSDD::GetNoise() {
3d2c9d72 1550 // Returns the noise value
1551 //Bool_t do10to8=fResponse->Do10to8();
1552 //noise will always be in the liniar part of the signal
1553 Int_t decr;
1554 Int_t threshold = fT1[0];
1555 char opt1[20], opt2[20];
1556
1557 fResponse->ParamOptions(opt1,opt2);
1558 fParam=opt2;
1559 char *same = strstr(opt1,"same");
1560 Float_t noise,baseline;
1561 if (same) {
1562 fResponse->GetNoiseParam(noise,baseline);
1563 } else {
1564 static Bool_t readfile=kTRUE;
1565 //read baseline and noise from file
1566 if (readfile) ReadBaseline();
1567 readfile=kFALSE;
1568 } // end if same
1569
1570 TCanvas *c2 = (TCanvas*)gROOT->GetListOfCanvases()->FindObject("c2");
1571 if(c2) delete c2->GetPrimitive("noisehist");
1572 if(c2) delete c2->GetPrimitive("anode");
1573 else c2=new TCanvas("c2");
1574 c2->cd();
1575 c2->SetFillColor(0);
1576
1577 TH1F *noisehist = new TH1F("noisehist","noise",100,0.,(float)2*threshold);
1578 TH1F *anode = new TH1F("anode","Anode Projection",fMaxNofSamples,0.,
1579 (float)fMaxNofSamples);
1580 Int_t i,k;
1581 for (i=0;i<fNofMaps;i++) {
1582 CompressionParam(i,decr,threshold);
1583 if (!same) GetAnodeBaseline(i,baseline,noise);
1584 anode->Reset();
1585 for (k=0;k<fMaxNofSamples;k++) {
1586 Float_t signal=(Float_t)fHitMap2->GetSignal(i,k);
1587 //if (signal <= (float)threshold) noisehist->Fill(signal-baseline);
1588 if (signal <= (float)(threshold+decr)) noisehist->Fill(signal);
1589 anode->Fill((float)k,signal);
1590 } // end for k
1591 anode->Draw();
ece86d9a 1592 c2->Update();
3d2c9d72 1593 } // end for i
1594 TF1 *gnoise = new TF1("gnoise","gaus",0.,threshold);
1595 noisehist->Fit("gnoise","RQ");
1596 noisehist->Draw();
1597 c2->Update();
1598 Float_t mnoise = gnoise->GetParameter(1);
1599 cout << "mnoise : " << mnoise << endl;
1600 Float_t rnoise = gnoise->GetParameter(2);
1601 cout << "rnoise : " << rnoise << endl;
1602 delete noisehist;
1603 return rnoise;
50d05d7b 1604}
1605//______________________________________________________________________
1606void AliITSsimulationSDD::WriteSDigits(){
3d2c9d72 1607 // Fills the Summable digits Tree
1608 static AliITS *aliITS = (AliITS*)gAlice->GetModule("ITS");
1609
1610 for( Int_t i=0; i<fNofMaps; i++ ) {
1611 if( !fAnodeFire[i] ) continue;
1612 for( Int_t j=0; j<fMaxNofSamples; j++ ) {
1613 Double_t sig = fHitMap2->GetSignal( i, j );
1614 if( sig > 0.2 ) {
1615 Int_t jdx = j*fScaleSize;
1616 Int_t index = fpList->GetHitIndex( i, j );
1617 AliITSpListItem pItemTmp2( fModule, index, 0. );
1618 // put the fScaleSize analog digits in only one
1619 for( Int_t ik=0; ik<fScaleSize; ik++ ) {
1620 AliITSpListItem *pItemTmp = fpList->GetpListItem( i, jdx+ik );
1621 if( pItemTmp == 0 ) continue;
1622 pItemTmp2.Add( pItemTmp );
1623 }
1624 pItemTmp2.AddSignalAfterElect( fModule, index, sig );
1625 pItemTmp2.AddNoise( fModule, index, fHitNoiMap2->GetSignal( i, j ) );
1626 aliITS->AddSumDigit( pItemTmp2 );
1627 } // end if (sig > 0.2)
48058160 1628 }
3d2c9d72 1629 }
1630 return;
b0f5e3fc 1631}
8a33ae9e 1632//______________________________________________________________________
44a312c3 1633void AliITSsimulationSDD::Print() {
3d2c9d72 1634 // Print SDD simulation Parameters
1635
1636 cout << "**************************************************" << endl;
1637 cout << " Silicon Drift Detector Simulation Parameters " << endl;
1638 cout << "**************************************************" << endl;
1639 cout << "Flag for Perpendicular tracks: " << (Int_t) fFlag << endl;
1640 cout << "Flag for noise checking: " << (Int_t) fCheckNoise << endl;
1641 cout << "Flag to switch off electronics: " << (Int_t) fDoFFT << endl;
1642 cout << "Number pf Anodes used: " << fNofMaps << endl;
1643 cout << "Number of Time Samples: " << fMaxNofSamples << endl;
1644 cout << "Scale size factor: " << fScaleSize << endl;
1645 cout << "**************************************************" << endl;
44a312c3 1646}