Corrections for memory leaks, random numbers, hit number; also some data members...
[u/mrichter/AliRoot.git] / ITS / AliITSsimulationSPDbari.cxx
CommitLineData
0aedb77e 1#include <iostream.h>
2#include <TRandom.h>
3#include <TH1.h>
4#include <TMath.h>
5#include <TString.h>
6#include <TParticle.h>
7
8
9#include "AliRun.h"
10#include "AliITS.h"
11#include "AliITShit.h"
12#include "AliITSdigit.h"
13#include "AliITSmodule.h"
14#include "AliITSMapA2.h"
15#include "AliITSsimulationSPDbari.h"
16#include "AliITSsegmentation.h"
17#include "AliITSresponse.h"
18
19
20ClassImp(AliITSsimulationSPDbari)
21////////////////////////////////////////////////////////////////////////
22// Version: 0
23// Written by Rocco Caliandro
24// from a model developed with T. Virgili and R.A. Fini
25// June 15 2000
26//
27// AliITSsimulationSPD is the simulation of SPDs
28//
29//________________________________________________________________________
30
31AliITSsimulationSPDbari::AliITSsimulationSPDbari(){
32 // constructor
33 fResponse = 0;
34 fSegmentation = 0;
35 fHis = 0;
36 fThresh = 0.;
37 fSigma = 0.;
38 fCouplCol = 0.;
39 fCouplRow = 0.;
40}
41//_____________________________________________________________________________
42
43AliITSsimulationSPDbari::AliITSsimulationSPDbari(AliITSsegmentation *seg, AliITSresponse *resp) {
44 // constructor
45 fResponse = resp;
46 fSegmentation = seg;
47
48 fResponse->Thresholds(fThresh,fSigma);
49 fResponse->GetNoiseParam(fCouplCol,fCouplRow);
50
51 fMapA2 = new AliITSMapA2(fSegmentation);
52
53 //
54 fNPixelsZ=fSegmentation->Npz();
55 fNPixelsX=fSegmentation->Npx();
03898a57 56 fHis=0;
0aedb77e 57}
58
59//_____________________________________________________________________________
60
61AliITSsimulationSPDbari::~AliITSsimulationSPDbari() {
62 // destructor
63
64 delete fMapA2;
65
66 if (fHis) {
67 fHis->Delete();
68 delete fHis;
69 }
70}
71
72//__________________________________________________________________________
73AliITSsimulationSPDbari::AliITSsimulationSPDbari(const AliITSsimulationSPDbari &source){
74 // Copy Constructor
75 if(&source == this) return;
76 this->fMapA2 = source.fMapA2;
77 this->fThresh = source.fThresh;
78 this->fSigma = source.fSigma;
79 this->fCouplCol = source.fCouplCol;
80 this->fCouplRow = source.fCouplRow;
81 this->fNPixelsX = source.fNPixelsX;
82 this->fNPixelsZ = source.fNPixelsZ;
83 this->fHis = source.fHis;
84 return;
85}
86
87//_________________________________________________________________________
88AliITSsimulationSPDbari&
89 AliITSsimulationSPDbari::operator=(const AliITSsimulationSPDbari &source) {
90 // Assignment operator
91 if(&source == this) return *this;
92 this->fMapA2 = source.fMapA2;
93 this->fThresh = source.fThresh;
94 this->fSigma = source.fSigma;
95 this->fCouplCol = source.fCouplCol;
96 this->fCouplRow = source.fCouplRow;
97 this->fNPixelsX = source.fNPixelsX;
98 this->fNPixelsZ = source.fNPixelsZ;
99 this->fHis = source.fHis;
100 return *this;
101 }
102//_____________________________________________________________________________
103
104void AliITSsimulationSPDbari::DigitiseModule(AliITSmodule *mod, Int_t module,
105 Int_t dummy) {
106 // digitize module
107
108
109 TObjArray *fHits = mod->GetHits();
110 Int_t nhits = fHits->GetEntriesFast();
111 if (!nhits) return;
112
113
03898a57 114 //printf("Module %d (%d hits) \n",module+1,nhits);
0aedb77e 115
116
117 Int_t number=10000;
118 Int_t *frowpixel = new Int_t[number];
119 Int_t *fcolpixel = new Int_t[number];
120 Double_t *fenepixel = new Double_t[number];
121
122 // Array of pointers to store the track index of the digits
123 // leave +1, otherwise pList crashes when col=256, row=192
124 Int_t maxNdigits = fNPixelsX*fNPixelsZ+fNPixelsX+1;
125 Float_t **pList = new Float_t* [maxNdigits];
126 memset(pList,0,sizeof(Float_t*)*maxNdigits);
127
128
129 // noise setting
130 SetFluctuations(pList);
131
132
426edb57 133
0aedb77e 134 // loop over hits in the module
135 Int_t hitpos;
426edb57 136 for (hitpos=0;hitpos<nhits;hitpos++) {
0aedb77e 137 HitToDigit(mod,hitpos,module,frowpixel,fcolpixel,fenepixel,pList);
0aedb77e 138 }// end loop over digits
139
426edb57 140 CreateDigit(nhits,module,pList);
0aedb77e 141
142 // clean memory
143 delete[] frowpixel;
144 delete[] fcolpixel;
145 delete[] fenepixel;
146 fMapA2->ClearMap();
147 delete [] pList;
148
149}
150//_____________________________________________________________________________
151
152void AliITSsimulationSPDbari::UpdateMap( Int_t row, Int_t col, Double_t ene) {
153//
154// updates the Map of signal, adding the energy (ene) released by the current track
155//
156 Double_t signal;
157 signal = fMapA2->GetSignal(row,col);
158 signal += ene;
159 fMapA2->SetHit(row,col,signal);
160
161 }
162//_____________________________________________________________________________
163void AliITSsimulationSPDbari::HitToDigit(AliITSmodule *mod, Int_t hitpos, Int_t module,
164 Int_t *frowpixel, Int_t *fcolpixel,
165 Double_t *fenepixel, Float_t **pList) {
166//
167// Steering function to determine the digits associated to a given hit (hitpos)
168// The digits are created by charge sharing (ChargeSharing) and by
169// capacitive coupling (SetCoupling). At all the created digits is associated
170// the track number of the hit (ntrack)
171//
172
173
174 static Float_t x1l,y1l,z1l;
175 Float_t x2l,y2l,z2l,etot;
176 Int_t layer,r1,r2,c1,c2,row,col,npixel = 0;
426edb57 177 Int_t ntrack,idhit;
0aedb77e 178 Double_t ene;
179 const Float_t kconv = 10000.; // cm -> microns
180
181 TObjArray *fHits = mod->GetHits();
182 AliITShit *hit = (AliITShit*) fHits->At(hitpos);
183 layer = hit->GetLayer();
184 etot=hit->GetIonization();
185 ntrack=hit->GetTrack();
426edb57 186 idhit=mod->GetHitHitIndex(hitpos);
187
43c39b72 188
189 /*
190 printf("\n layer,etot,ntrack,status %d %f %d %d\n",layer,etot,ntrack,hit->GetTrackStatus()); //debug
426edb57 191 Int_t idtrack; //debug
192 mod->GetHitTrackAndHitIndex(hitpos,idtrack,idhit);
193 printf("idtrack,idhit %d %d\n",idtrack,idhit); //debug
43c39b72 194 printf("(Dx, Dz)=(%f, %f)\n",fSegmentation->Dx(),fSegmentation->Dz()); //debug
426edb57 195 */
43c39b72 196
197
0aedb77e 198
199 if (hit->GetTrackStatus()==66) {
200 hit->GetPositionL(x1l,y1l,z1l);
201 // positions shifted and converted in microns
202 x1l = x1l*kconv + fSegmentation->Dx()/2.;
203 z1l = z1l*kconv + fSegmentation->Dz()/2.;
43c39b72 204 //printf("(x1l, z2l)=(%f, %f)\n",x1l,z1l); //debug
0aedb77e 205 }
206 else {
207 hit->GetPositionL(x2l,y2l,z2l);
208 // positions shifted and converted in microns
209 x2l = x2l*kconv + fSegmentation->Dx()/2.;
210 z2l = z2l*kconv + fSegmentation->Dz()/2.;
43c39b72 211 //printf("(x2l, z2l)=(%f, %f)\n",x2l,z2l); //debug
212
0aedb77e 213
214
43c39b72 215 // to account for the effective sensitive area
216 // introduced in geometry
217 if (z1l<0 || z1l>fSegmentation->Dz()) return;
218 if (z2l<0 || z2l>fSegmentation->Dz()) return;
219 if (x1l<0 || x1l>fSegmentation->Dx()) return;
220 if (x2l<0 || x2l>fSegmentation->Dx()) return;
0aedb77e 221
222 //Get the col and row number starting from 1
223 // the x direction is not inverted for the second layer!!!
224 fSegmentation->GetPadIxz(x1l, z1l, c1, r1);
225 fSegmentation->GetPadIxz(x2l, z2l, c2, r2);
226
43c39b72 227 //printf("(c1, r1)=(%d, %d) (c2, r2)=(%d, %d)\n",c1,r1,c2,r2); //debug
228
a82b8484 229 // to account for unexpected equal entrance and
230 // exit coordinates
231 if (x1l==x2l) x2l=x2l+x2l*0.000001;
232 if (z1l==z2l) z2l=z2l+z2l*0.000001;
233
a82b8484 234
0aedb77e 235 if ((r1==r2) && (c1==c2))
236 {
237 // no charge sharing
238 npixel = 1;
239 frowpixel[npixel-1] = r1;
240 fcolpixel[npixel-1] = c1;
241 fenepixel[npixel-1] = etot;
242 }
243 else {
244 // charge sharing
245 ChargeSharing(x1l,z1l,x2l,z2l,c1,r1,c2,r2,etot,
246 npixel,frowpixel,fcolpixel,fenepixel);
247
248 }
249
250
251 for (Int_t npix=0;npix<npixel;npix++)
252 {
253 row = frowpixel[npix];
254 col = fcolpixel[npix];
255 ene = fenepixel[npix];
256 UpdateMap(row,col,ene);
426edb57 257 GetList(ntrack,idhit,pList,row,col);
0aedb77e 258 // Starting capacitive coupling effect
426edb57 259 SetCoupling(row,col,ntrack,idhit,pList);
0aedb77e 260 }
261 x1l=x2l;
262 y1l=y2l;
263 z1l=z2l;
264 }
265}
266
267//_________________________________________________________________________
268
269void AliITSsimulationSPDbari::ChargeSharing(Float_t x1l,Float_t z1l,Float_t x2l,
270 Float_t z2l,Int_t c1,Int_t r1,Int_t c2,
271 Int_t r2,Float_t etot,
272 Int_t &npixel,Int_t *frowpixel,
273 Int_t *fcolpixel,Double_t *fenepixel){
274 //
275 // Take into account the geometrical charge sharing when the track
276 // crosses more than one pixel.
277 //
278 //Begin_Html
279 /*
4b365332 280 <img src="picts/ITS/barimodel_2.gif">
0aedb77e 281 </pre>
282 <br clear=left>
283 <font size=+2 color=red>
284 <a href="mailto:Rocco.Caliandro@ba.infn.it"></a>.
285 </font>
286 <pre>
287 */
288 //End_Html
289
290
291 Float_t xa,za,xb,zb,dx,dz,dtot,dm,refr,refm,refc;
292 Float_t refn=0.;
293 Float_t arefm, arefr, arefn, arefc, azb, az2l, axb, ax2l;
294 Int_t dirx,dirz,rb,cb;
295
296
297 Int_t flag,flagrow,flagcol;
298
299 Double_t epar;
300
301
302 npixel = 0;
303 xa = x1l;
304 za = z1l;
305 dx = TMath::Abs(x1l-x2l);
306 dz = TMath::Abs(z1l-z2l);
307 dtot = TMath::Sqrt((dx*dx)+(dz*dz));
308 dm = (x2l - x1l) / (z2l - z1l);
309
310 dirx = (Int_t) ((x2l - x1l) / dx);
311 dirz = (Int_t) ((z2l - z1l) / dz);
312
313
314 // calculate the x coordinate of the pixel in the next column
315 // and the z coordinate of the pixel in the next row
316
317 Float_t xpos, zpos;
318
319 fSegmentation->GetPadCxz(c1, r1-1, xpos, zpos);
320
321 Float_t xsize = fSegmentation->Dpx(0);
43c39b72 322 Float_t zsize = fSegmentation->Dpz(r1-1);
0aedb77e 323
324 if (dirx == 1) refr = xpos+xsize/2.;
325 else refr = xpos-xsize/2.;
326
327 if (dirz == 1) refn = zpos+zsize/2.;
328 else refn = zpos-zsize/2.;
329
330
331 flag = 0;
332 flagrow = 0;
333 flagcol = 0;
334 do
335 {
336
337 // calculate the x coordinate of the intersection with the pixel
338 // in the next cell in row direction
339
340 refm = (refn - z1l)*dm + x1l;
341
342 // calculate the z coordinate of the intersection with the pixel
343 // in the next cell in column direction
344
345 refc = (refr - x1l)/dm + z1l;
346
347
348 arefm = refm * dirx;
349 arefr = refr * dirx;
350 arefn = refn * dirz;
351 arefc = refc * dirz;
352
353
354 if ((arefm < arefr) && (arefn < arefc)){
355
356 // the track goes in the pixel in the next cell in row direction
357 xb = refm;
358 zb = refn;
359 cb = c1;
360 rb = r1 + dirz;
361 azb = zb * dirz;
362 az2l = z2l * dirz;
363 if (rb == r2) flagrow=1;
364 if (azb > az2l) {
365 zb = z2l;
366 xb = x2l;
367 }
368
369 // shift to the pixel in the next cell in row direction
43c39b72 370 Float_t zsizeNext = fSegmentation->Dpz(rb-1);
371 //to account for cell at the borders of the detector
372 if(zsizeNext==0) zsizeNext = zsize;
373
0aedb77e 374 refn += zsizeNext*dirz;
375
376 }
377 else {
378
379 // the track goes in the pixel in the next cell in column direction
380 xb = refr;
381 zb = refc;
382 cb = c1 + dirx;
383 rb = r1;
384 axb = xb * dirx;
385 ax2l = x2l * dirx;
386 if (cb == c2) flagcol=1;
387 if (axb > ax2l) {
388 zb = z2l;
389 xb = x2l;
390 }
391
392 // shift to the pixel in the next cell in column direction
43c39b72 393 Float_t xsizeNext = fSegmentation->Dpx(cb-1);
394 //to account for cell at the borders of the detector
395 if(xsizeNext==0) xsizeNext = xsize;
396
0aedb77e 397 refr += xsizeNext*dirx;
398
399 }
400
401 //calculate the energy lost in the crossed pixel
402 epar = TMath::Sqrt((xb-xa)*(xb-xa)+(zb-za)*(zb-za));
403 epar = etot*(epar/dtot);
404
405 //store row, column and energy lost in the crossed pixel
406 frowpixel[npixel] = r1;
407 fcolpixel[npixel] = c1;
408 fenepixel[npixel] = epar;
409 npixel++;
410
411 // the exit point of the track is reached
412 if (epar == 0) flag = 1;
413 if ((r1 == r2) && (c1 == c2)) flag = 1;
414 if (flag!=1) {
415 r1 = rb;
416 c1 = cb;
417 xa = xb;
418 za = zb;
419 }
420
421 } while (flag==0);
422
423}
424//___________________________________________________________________________
425void AliITSsimulationSPDbari::SetCoupling(Int_t row, Int_t col, Int_t ntrack,
426edb57 426 Int_t idhit, Float_t **pList) {
0aedb77e 427 //
428 // Take into account the coupling between adiacent pixels.
429 // The parameters probcol and probrow are the fractions of the
430 // signal in one pixel shared in the two adjacent pixels along
431 // the column and row direction, respectively.
432 //
433 //Begin_Html
434 /*
4b365332 435 <img src="picts/ITS/barimodel_3.gif">
0aedb77e 436 </pre>
437 <br clear=left>
438 <font size=+2 color=red>
439 <a href="mailto:Rocco.Caliandro@ba.infn.it"></a>.
440 </font>
441 <pre>
442 */
443 //End_Html
444
445
446 Int_t j1,j2,flag=0;
447 Double_t pulse1,pulse2;
448
449
450 j1 = row;
451 j2 = col;
452
453 pulse1 = fMapA2->GetSignal(row,col);
454 pulse2 = pulse1;
455
456 for (Int_t isign=-1;isign<=1;isign+=2)
457 {
458
459// loop in row direction
460
461 do
462 {
463 j1 += isign;
464 pulse1 *= fCouplRow;
465
466 if ((j1 < 0) || (j1 > fNPixelsZ-1) || (pulse1 < fThresh))
467 {
468 pulse1 = fMapA2->GetSignal(row,col);
469 j1 = row;
470 flag = 1;
471 }
472 else{
473 UpdateMap(j1,col,pulse1);
426edb57 474 GetList(ntrack,idhit,pList,j1,col);
0aedb77e 475 flag = 0;
476 }
477
478 } while(flag == 0);
479
480
481// loop in column direction
482
483 do
484 {
485 j2 += isign;
486 pulse2 *= fCouplCol;
487
488 if ((j2 < 0) || (j2 > (fNPixelsX-1)) || (pulse2 < fThresh))
489 {
490 pulse2 = fMapA2->GetSignal(row,col);
491 j2 = col;
492 flag = 1;
493 }
494 else{
495 UpdateMap(row,j2,pulse2);
426edb57 496 GetList(ntrack,idhit,pList,row,j2);
0aedb77e 497 flag = 0;
498 }
499
500 } while(flag == 0);
501
502 }
503
504}
505//___________________________________________________________________________
506void AliITSsimulationSPDbari::CreateDigit(Int_t nhits, Int_t module, Float_t
507**pList) {
508 //
509 // The pixels are fired if the energy deposited inside them is above
510 // the threshold parameter ethr. Fired pixed are interpreted as digits
511 // and stored in the file digitfilename.
512 //
513
514 AliITS *aliITS = (AliITS*)gAlice->GetModule("ITS");
515
516
517 Int_t digits[3];
518 Int_t tracks[3];
519 Int_t hits[3];
520 Float_t charges[3];
521 Int_t gi,j1;
522
0aedb77e 523 if (nhits > 0) {
524
525 for (Int_t r=1;r<=fNPixelsZ;r++) {
526 for (Int_t c=1;c<=fNPixelsX;c++) {
527
528 // check if the deposited energy in a pixel is above the threshold
529 Float_t signal = (Float_t) fMapA2->GetSignal(r,c);
03898a57 530 gi =r*fNPixelsX+c; // global index
0aedb77e 531 if ( signal > fThresh) {
532 digits[0] = r-1; // digits starts from 0
03898a57 533 digits[1] = c-1; // digits starts from 0
534 //digits[2] = 1;
535 signal = signal*1.0e9; //signal in eV
536 digits[2] = (Int_t) signal; // the signal is stored in eV
0aedb77e 537 for(j1=0;j1<3;j1++){
03898a57 538 tracks[j1] = (Int_t)(*(pList[gi]+j1));
539 hits[j1] = (Int_t)(*(pList[gi]+j1+6));
540 charges[j1] = 0;
541 }
426edb57 542 /* debug
543 printf("digits %d %d %d\n",digits[0],digits[1],digits[2]); //debug
544 printf("tracks %d %d %d\n",tracks[0],tracks[1],tracks[2]); //debug
545 printf("hits %d %d %d\n",hits[0],hits[1],hits[2]); //debug
546 */
0aedb77e 547 Float_t phys = 0;
03898a57 548 aliITS->AddSimDigit(0,phys,digits,tracks,hits,charges);
549 }//endif of threshold condition
550 if(pList[gi]) delete [] pList[gi];
0aedb77e 551 }
552 }// enddo on pixels
553 }
554
555}
556//_____________________________________________________________________________
557
426edb57 558void AliITSsimulationSPDbari::GetList(Int_t label,Int_t idhit, Float_t **pList,
0aedb77e 559 Int_t row, Int_t col) {
560 // loop over nonzero digits
561
562 Int_t ix = col;
563 Int_t iz = row;
564 Int_t globalIndex;
565 Float_t signal;
566 Float_t highest,middle,lowest;
567
568
569 signal=fMapA2->GetSignal(iz,ix);
570
43c39b72 571
0aedb77e 572 globalIndex = iz*fNPixelsX+ix; // globalIndex starts from 1
573
574
575 if(!pList[globalIndex])
576 {
577 //
426edb57 578 // Create new list (9 elements - 3 signals and 3 tracks + 3 hits)
0aedb77e 579 //
580
426edb57 581 pList[globalIndex] = new Float_t [9];
0aedb77e 582
583
426edb57 584 // set list to -3
585 *(pList[globalIndex]) = -3.;
586 *(pList[globalIndex]+1) = -3.;
587 *(pList[globalIndex]+2) = -3.;
0aedb77e 588 *(pList[globalIndex]+3) = 0.;
589 *(pList[globalIndex]+4) = 0.;
590 *(pList[globalIndex]+5) = 0.;
426edb57 591 *(pList[globalIndex]+6) = -1.;
592 *(pList[globalIndex]+7) = -1.;
593 *(pList[globalIndex]+8) = -1.;
0aedb77e 594
595 *pList[globalIndex] = (float)label;
596 *(pList[globalIndex]+3) = signal;
426edb57 597 *(pList[globalIndex]+6) = (float)idhit;
0aedb77e 598 }
599 else{
600
601
602 // check the signal magnitude
603 highest = *(pList[globalIndex]+3);
604 middle = *(pList[globalIndex]+4);
605 lowest = *(pList[globalIndex]+5);
606
607
608 signal -= (highest+middle+lowest);
609
610
611 //
612 // compare the new signal with already existing list
613 //
614 if(signal<lowest) return; // neglect this track
615
616 if (signal>highest)
617 {
426edb57 618 *(pList[globalIndex]+8) = *(pList[globalIndex]+7);
619 *(pList[globalIndex]+7) = *(pList[globalIndex]+6);
620 *(pList[globalIndex]+6) = idhit;
0aedb77e 621 *(pList[globalIndex]+5) = middle;
622 *(pList[globalIndex]+4) = highest;
623 *(pList[globalIndex]+3) = signal;
624 *(pList[globalIndex]+2) = *(pList[globalIndex]+1);
625 *(pList[globalIndex]+1) = *pList[globalIndex];
626 *(pList[globalIndex]) = label;
627 }
628 else if (signal>middle)
629 {
426edb57 630 *(pList[globalIndex]+8) = *(pList[globalIndex]+7);
631 *(pList[globalIndex]+7) = idhit;
0aedb77e 632 *(pList[globalIndex]+5) = middle;
633 *(pList[globalIndex]+4) = signal;
634 *(pList[globalIndex]+2) = *(pList[globalIndex]+1);
635 *(pList[globalIndex]+1) = label;
636 }
637 else
638 {
426edb57 639 *(pList[globalIndex]+8) = idhit;
0aedb77e 640 *(pList[globalIndex]+5) = signal;
641 *(pList[globalIndex]+2) = label;
642 }
643 }
644}
645//_________________________________________________________________________
646void AliITSsimulationSPDbari::SetFluctuations(Float_t **pList) {
647 //
648 // Set the electronic noise and threshold non-uniformities to all the
649 // pixels in a detector.
650 // The parameter fSigma is the squared sum of the sigma due to noise
651 // and the sigma of the threshold distribution among pixels.
652 //
653 //Begin_Html
654 /*
4b365332 655 <img src="picts/ITS/barimodel_1.gif">
0aedb77e 656 </pre>
657 <br clear=left>
658 <font size=+2 color=red>
659 <a href="mailto:Rocco.Caliandro@ba.infn.it"></a>.
660 </font>
661 <pre>
662 */
663 //End_Html
664
665
0aedb77e 666 Double_t signal;
667
668 Int_t iz,ix;
669 for(iz=1;iz<=fNPixelsZ;iz++){
670 for(ix=1;ix<=fNPixelsX;ix++){
03898a57 671 signal = fSigma*gRandom->Gaus();
0aedb77e 672 fMapA2->SetHit(iz,ix,signal);
673
426edb57 674 // insert in the label-signal-hit list the pixels fired only by noise
0aedb77e 675 if ( signal > fThresh) {
676 Int_t globalIndex = iz*fNPixelsX+ix;
426edb57 677 pList[globalIndex] = new Float_t [9];
0aedb77e 678 *(pList[globalIndex]) = -2.;
679 *(pList[globalIndex]+1) = -2.;
680 *(pList[globalIndex]+2) = -2.;
681 *(pList[globalIndex]+3) = signal;
682 *(pList[globalIndex]+4) = 0.;
683 *(pList[globalIndex]+5) = 0.;
426edb57 684 *(pList[globalIndex]+6) = -1.;
685 *(pList[globalIndex]+7) = -1.;
686 *(pList[globalIndex]+8) = -1.;
0aedb77e 687 }
688 } // end of loop on pixels
689 } // end of loop on pixels
690
691 }
692//____________________________________________
693
694void AliITSsimulationSPDbari::CreateHistograms() {
695 // CreateHistograms
696
697 Int_t i;
03898a57 698 fHis=new TObjArray(fNPixelsZ);
0aedb77e 699 for(i=0;i<fNPixelsZ;i++) {
8813cd63 700 TString spdname("spd_");
0aedb77e 701 Char_t candnum[4];
702 sprintf(candnum,"%d",i+1);
8813cd63 703 spdname.Append(candnum);
704 (*fHis)[i] = new TH1F(spdname.Data(),"SPD maps",
0aedb77e 705 fNPixelsX,0.,(Float_t) fNPixelsX);
0aedb77e 706 }
707
708}
709
710//____________________________________________
711
712void AliITSsimulationSPDbari::ResetHistograms() {
713 //
714 // Reset histograms for this detector
715 //
716 Int_t i;
717 for(i=0;i<fNPixelsZ;i++ ) {
718 if ((*fHis)[i]) ((TH1F*)(*fHis)[i])->Reset();
719 }
720
721}