1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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 **************************************************************************/
24 #include "AliITSdigitSPD.h"
25 #include "AliITSmodule.h"
26 #include "AliITSMapA2.h"
27 #include "AliITSpList.h"
28 #include "AliITSsimulationSPD.h"
29 #include "AliITSsegmentation.h"
30 #include "AliITSresponse.h"
35 ClassImp(AliITSsimulationSPD)
36 ////////////////////////////////////////////////////////////////////////
38 // Written by Rocco Caliandro
39 // from a model developed with T. Virgili and R.A. Fini
42 // AliITSsimulationSPD is the simulation of SPDs
44 //______________________________________________________________________
45 AliITSsimulationSPD::AliITSsimulationSPD() : AliITSsimulation(),
48 // Default constructor
54 // A default constructed AliITSsimulationSPD class.
56 //______________________________________________________________________
57 AliITSsimulationSPD::AliITSsimulationSPD(AliITSsegmentation *seg,
59 AliITSsimulation(seg,res),
62 // Standard constructor
64 // AliITSsegmentation *seg Segmentation class to be used
65 // AliITSresonse *res Response class to be used
69 // A standard constructed AliITSsimulationSPD class.
73 //______________________________________________________________________
74 void AliITSsimulationSPD::Init() {
75 // Initilizes the variables of AliITSsimulation SPD.
84 if(fMapA2) delete fMapA2;
85 fMapA2 = new AliITSMapA2(fSegmentation);
86 if(fpList) delete fpList;
87 fpList = new AliITSpList(GetNPixelsZ()+1,GetNPixelsX()+1);
89 //______________________________________________________________________
90 void AliITSsimulationSPD::Init(AliITSsegmentationSPD *seg,
91 AliITSresponseSPD *resp) {
92 // Initilizes the variables of AliITSsimulation SPD.
94 // AliITSsegmentationSPD replacement segmentation class to be used
95 // aliITSresponseSPD replacement response class to be used
106 if(fResponse) delete fResponse;
108 if(fSegmentation) delete fSegmentation;
110 if(fMapA2) delete fMapA2;
111 fMapA2 = new AliITSMapA2(fSegmentation);
112 if(fpList) delete fpList;
113 fpList = new AliITSpList(GetNPixelsZ()+1,GetNPixelsX()+1);
115 //______________________________________________________________________
116 AliITSsimulationSPD::~AliITSsimulationSPD() {
125 if(fMapA2) delete fMapA2;
132 //______________________________________________________________________
133 AliITSsimulationSPD::AliITSsimulationSPD(const AliITSsimulationSPD &source) :
134 AliITSsimulation(source){
141 // A new AliITSsimulationSPD class with the same parameters as source.
143 if(&source == this) return;
145 this->fMapA2 = source.fMapA2;
146 this->fHis = source.fHis;
149 //______________________________________________________________________
150 AliITSsimulationSPD& AliITSsimulationSPD::operator=(const AliITSsimulationSPD
152 // Assignment operator
158 // A new AliITSsimulationSPD class with the same parameters as source.
160 if(&source == this) return *this;
162 this->fMapA2 = source.fMapA2;
163 this->fHis = source.fHis;
166 //______________________________________________________________________
167 AliITSsimulation& AliITSsimulationSPD::operator=(const AliITSsimulation
169 // Assignment operator
175 // A new AliITSsimulationSPD class with the same parameters as source.
177 if(&source == this) return *this;
178 Error("AliITSsimulationSPD","Not allowed to make a = with "
179 "AliITSsimulationSPD Using default creater instead");
184 //______________________________________________________________________
185 void AliITSsimulationSPD::InitSimulationModule(Int_t module,Int_t event){
186 // Creates maps to build the list of tracks for each sumable digit
188 // Int_t module // Module number to be simulated
189 // Int_t event // Event number to be simulated
200 //______________________________________________________________________
201 void AliITSsimulationSPD::FinishSDigitiseModule(){
202 // Does the Sdigits to Digits work
210 SDigitsToDigits(fModule,fpList);
212 //______________________________________________________________________
213 void AliITSsimulationSPD::SDigitiseModule(AliITSmodule *mod, Int_t dummy0,
215 // Sum digitize module
217 // AliITSmodule *mod The module to be SDgitized
218 // Int_t dummy0 Not used kept for general compatibility
219 // Int_t dummy1 Not used kept for general compatibility
224 if (!(mod->GetNhits())) return; // if module has no hits then no Sdigits.
225 Int_t number = 10000;
226 Int_t *frowpixel = new Int_t[number];
227 Int_t *fcolpixel = new Int_t[number];
228 Double_t *fenepixel = new Double_t[number];
230 dummy0 = dummy1; // remove unsued variable warning.
231 fModule = mod->GetIndex();
233 // Array of pointers to store the track index of the digits
234 // leave +1, otherwise pList crashes when col=256, row=192
236 HitsToAnalogDigits(mod,frowpixel,fcolpixel,fenepixel,fpList);
238 WriteSDigits(fpList);
247 //______________________________________________________________________
248 void AliITSsimulationSPD::DigitiseModule(AliITSmodule *mod, Int_t,Int_t) {
249 // digitize module. Also need to digitize modules with only noise.
251 // AliITSmodule *mod The module to be SDgitized
257 Int_t number = 10000;
258 Int_t *frowpixel = new Int_t[number];
259 Int_t *fcolpixel = new Int_t[number];
260 Double_t *fenepixel = new Double_t[number];
262 // Array of pointers to store the track index of the digits
263 // leave +1, otherwise pList crashes when col=256, row=192
264 fModule = mod->GetIndex();
266 SetFluctuations(fpList,fModule);
268 HitsToAnalogDigits(mod,frowpixel,fcolpixel,fenepixel,fpList);
270 // apply mask to SPD module
273 CreateDigit(fModule,fpList);
282 //______________________________________________________________________
283 void AliITSsimulationSPD::SDigitsToDigits(Int_t module,AliITSpList *pList) {
284 // sum digits to Digits.
286 // AliITSmodule *mod The module to be SDgitized
287 // AliITSpList *pList the array of SDigits
289 // AliITSpList *pList the array of SDigits
293 AliDebug(1,Form("Entering AliITSsimulatinSPD::SDigitsToDigits for module=%d",
298 SetFluctuations(pList,module);
300 fMapA2->ClearMap(); // since noise is in pList aready. Zero Map so that
301 // noise is not doubled when calling FillMapFrompList.
303 FillMapFrompList(pList);
305 // apply mask to SPD module
308 CreateDigit(module,pList);
313 //______________________________________________________________________
314 void AliITSsimulationSPD::UpdateMapSignal(Int_t row,Int_t col,Int_t trk,
315 Int_t hit,Int_t mod,Double_t ene,
316 AliITSpList *pList) {
317 // updates the Map of signal, adding the energy (ene) released by
320 // Int_t row pixel row number
321 // Int_t col pixel column number
322 // Int_t trk track number which contributed
323 // Int_t hit hit number which contributed
324 // Int_t mod module number
325 // Double_t ene the energy associated with this contribution
326 // AliITSpList *pList the array of SDigits
328 // AliITSpList *pList the array of SDigits
332 fMapA2->AddSignal(row,col,ene);
333 pList->AddSignal(row,col,trk,hit,mod,ene);
335 //______________________________________________________________________
336 void AliITSsimulationSPD::UpdateMapNoise(Int_t row,Int_t col,Int_t mod,
337 Double_t ene,AliITSpList *pList) {
338 // updates the Map of noise, adding the energy (ene) give my noise
340 // Int_t row pixel row number
341 // Int_t col pixel column number
342 // Int_t mod module number
343 // Double_t ene the energy associated with this contribution
344 // AliITSpList *pList the array of SDigits
346 // AliITSpList *pList the array of SDigits
350 fMapA2->AddSignal(row,col,ene);
351 pList->AddNoise(row,col,mod,ene);
353 //______________________________________________________________________
354 void AliITSsimulationSPD::HitsToAnalogDigits(AliITSmodule *mod,
355 Int_t *frowpixel,Int_t *fcolpixel,
357 AliITSpList *pList) {
358 // Loops over all hits to produce Analog/floting point digits. This
359 // is also the first task in producing standard digits.
361 // AliITSmodule *mod module class
362 // Int_t *frowpixel array of pixel rows
363 // Int_t *fcolpixel array of pixel columns
364 // Double_t *fenepiexel array of pixel energies
365 // AliITSpList *pList the array of SDigits
367 // AliITSpList *pList the array of SDigits
371 // loop over hits in the module
372 Int_t hitpos,nhits = mod->GetNhits();
373 for (hitpos=0;hitpos<nhits;hitpos++) {
374 HitToDigit(mod,hitpos,frowpixel,fcolpixel,fenepixel,pList);
375 }// end loop over digits
377 //______________________________________________________________________
378 void AliITSsimulationSPD::HitToDigit(AliITSmodule *mod,Int_t hitpos,
379 Int_t *frowpixel,Int_t *fcolpixel,
380 Double_t *fenepixel,AliITSpList *pList) {
381 // Steering function to determine the digits associated to a given
383 // The digits are created by charge sharing (ChargeSharing) and by
384 // capacitive coupling (SetCoupling). At all the created digits is
385 // associated the track number of the hit (ntrack)
387 // AliITSmodule *mod module class
388 // Int_t hitpos hit index value
389 // Int_t *frowpixel array of pixel rows
390 // Int_t *fcolpixel array of pixel columns
391 // Double_t *fenepiexel array of pixel energies
392 // AliITSpList *pList the array of SDigits
394 // AliITSpList *pList the array of SDigits
397 Double_t x1l=0.0,y1l=0.0,z1l=0.0,x2l=0.0,y2l=0.0,z2l=0.0;
398 Int_t r1,r2,c1,c2,row,col,npixel = 0;
400 Double_t ene=0.0,etot=0.0;
401 const Float_t kconv = 10000.; // cm -> microns
402 const Float_t kconv1= 0.277e9; // GeV -> electrons equivalent
404 if(!(mod->LineSegmentL(hitpos,x1l,x2l,y1l,y2l,z1l,z2l,etot,ntrack)))return;
406 x2l += x1l; y2l += y1l; z2l += z1l; // Convert to ending coordinate.
407 // positions shifted and converted in microns
408 x1l = x1l*kconv + fSegmentation->Dx()/2.;
409 z1l = z1l*kconv + fSegmentation->Dz()/2.;
410 // positions shifted and converted in microns
411 x2l = x2l*kconv + fSegmentation->Dx()/2.;
412 z2l = z2l*kconv + fSegmentation->Dz()/2.;
413 etot *= kconv1; // convert from GeV to electrons equivalent.
414 Int_t module = mod->GetIndex();
416 // to account for the effective sensitive area
417 // introduced in geometry
418 if (z1l<0 || z1l>fSegmentation->Dz()) return;
419 if (z2l<0 || z2l>fSegmentation->Dz()) return;
420 if (x1l<0 || x1l>fSegmentation->Dx()) return;
421 if (x2l<0 || x2l>fSegmentation->Dx()) return;
423 //Get the col and row number starting from 1
424 // the x direction is not inverted for the second layer!!!
425 fSegmentation->GetPadIxz(x1l, z1l, c1, r1);
426 fSegmentation->GetPadIxz(x2l, z2l, c2, r2);
428 // to account for unexpected equal entrance and
430 if (x1l==x2l) x2l=x2l+x2l*0.1;
431 if (z1l==z2l) z2l=z2l+z2l*0.1;
433 if ((r1==r2) && (c1==c2)){
436 frowpixel[npixel-1] = r1;
437 fcolpixel[npixel-1] = c1;
438 fenepixel[npixel-1] = etot;
441 ChargeSharing(x1l,z1l,x2l,z2l,c1,r1,c2,r2,etot,
442 npixel,frowpixel,fcolpixel,fenepixel);
443 } // end if r1==r2 && c1==c2.
445 for (Int_t npix=0;npix<npixel;npix++){
446 row = frowpixel[npix];
447 col = fcolpixel[npix];
448 ene = fenepixel[npix];
449 UpdateMapSignal(row,col,ntrack,hitpos,module,ene,pList);
450 // Starting capacitive coupling effect
451 SetCoupling(row,col,ntrack,hitpos,module,pList);
454 //______________________________________________________________________
455 void AliITSsimulationSPD::ChargeSharing(Float_t x1l,Float_t z1l,Float_t x2l,
456 Float_t z2l,Int_t c1,Int_t r1,Int_t c2,
457 Int_t r2,Float_t etot,
458 Int_t &npixel,Int_t *frowpixel,
459 Int_t *fcolpixel,Double_t *fenepixel){
460 // Take into account the geometrical charge sharing when the track
461 // crosses more than one pixel.
473 // Int_t *frowpixel array of pixel rows
474 // Int_t *fcolpixel array of pixel columns
475 // Double_t *fenepiexel array of pixel energies
483 <img src="picts/ITS/barimodel_2.gif">
486 <font size=+2 color=red>
487 <a href="mailto:Rocco.Caliandro@ba.infn.it"></a>.
493 Float_t xa,za,xb,zb,dx,dz,dtot,refr,refm,refc;
495 Float_t arefm, arefr, arefn, arefc, azb, az2l, axb, ax2l;
496 Int_t dirx,dirz,rb,cb;
497 Int_t flag,flagrow,flagcol;
507 dtot = TMath::Sqrt((dx*dx)+(dz*dz));
508 if (dtot==0.0) dtot = 0.01;
509 dirx = (Int_t) TMath::Sign((Float_t)1,dx);
510 dirz = (Int_t) TMath::Sign((Float_t)1,dz);
512 // calculate the x coordinate of the pixel in the next column
513 // and the z coordinate of the pixel in the next row
516 fSegmentation->GetPadCxz(c1, r1-1, xpos, zpos);
518 Float_t xsize = fSegmentation->Dpx(0);
519 Float_t zsize = fSegmentation->Dpz(r1-1);
521 if (dirx == 1) refr = xpos+xsize/2.;
522 else refr = xpos-xsize/2.;
524 if (dirz == 1) refn = zpos+zsize/2.;
525 else refn = zpos-zsize/2.;
531 // calculate the x coordinate of the intersection with the pixel
532 // in the next cell in row direction
534 refm = dx*((refn - z1l)/dz) + x1l;
536 refm = refr+dirx*xsize;
538 // calculate the z coordinate of the intersection with the pixel
539 // in the next cell in column direction
541 refc = dz*((refr - x1l)/dx) + z1l;
543 refc = refn+dirz*zsize;
550 if ((arefm < arefr) && (arefn < arefc)){
551 // the track goes in the pixel in the next cell in row direction
558 if (rb == r2) flagrow=1;
563 // shift to the pixel in the next cell in row direction
564 Float_t zsizeNext = fSegmentation->Dpz(rb-1);
565 //to account for cell at the borders of the detector
566 if(zsizeNext==0) zsizeNext = zsize;
567 refn += zsizeNext*dirz;
569 // the track goes in the pixel in the next cell in column direction
576 if (cb == c2) flagcol=1;
580 } // end ifaxb > ax2l
582 // shift to the pixel in the next cell in column direction
583 Float_t xsizeNext = fSegmentation->Dpx(cb-1);
584 //to account for cell at the borders of the detector
585 if(xsizeNext==0) xsizeNext = xsize;
586 refr += xsizeNext*dirx;
587 } // end if (arefm < arefr) && (arefn < arefc)
589 //calculate the energy lost in the crossed pixel
590 epar = TMath::Sqrt((xb-xa)*(xb-xa)+(zb-za)*(zb-za));
591 epar = etot*(epar/dtot);
593 //store row, column and energy lost in the crossed pixel
594 frowpixel[npixel] = r1;
595 fcolpixel[npixel] = c1;
596 fenepixel[npixel] = epar;
599 // the exit point of the track is reached
600 if (epar == 0) flag = 1;
601 if ((r1 == r2) && (c1 == c2)) flag = 1;
610 //______________________________________________________________________
611 void AliITSsimulationSPD::SetCoupling(Int_t row, Int_t col, Int_t ntrack,
612 Int_t idhit,Int_t module,
613 AliITSpList *pList) {
614 // Take into account the coupling between adiacent pixels.
615 // The parameters probcol and probrow are the probability of the
616 // signal in one pixel shared in the two adjacent pixels along
617 // the column and row direction, respectively.
619 // Int_t row pixel row number
620 // Int_t col pixel column number
621 // Int_t ntrack track number of track contributing to this signal
622 // Int_t idhit hit number of hit contributing to this signal
623 // Int_t module module number
624 // AliITSpList *pList the array of SDigits
626 // AliITSpList *pList the array of SDigits
632 <img src="picts/ITS/barimodel_3.gif">
635 <font size=+2 color=red>
636 <a href="mailto:tiziano.virgili@cern.ch"></a>.
642 Double_t pulse1,pulse2;
643 Double_t couplR=0.0,couplC=0.0;
646 GetCouplings(couplR,couplC);
649 pulse1 = fMapA2->GetSignal(row,col);
651 for (Int_t isign=-1;isign<=1;isign+=2){// loop in row direction
655 xr = gRandom->Rndm();
656 //if ((j1<0) || (j1>GetNPixelsZ()-1) || (pulse1<GetThreshold())){
657 if ((j1<0) || (j1>GetNPixelsZ()-1) || (xr>couplR)){
661 UpdateMapSignal(j1,col,ntrack,idhit,module,pulse1,pList);
663 flag = 1; // only first next!!
666 // loop in column direction
670 xr = gRandom->Rndm();
671 //if ((j2<0) || (j2>(GetNPixelsX()-1)) || (pulse2<GetThreshold())){
672 if ((j2<0) || (j2>GetNPixelsX()-1) || (xr>couplC)){
676 UpdateMapSignal(row,j2,ntrack,idhit,module,pulse2,pList);
678 flag = 1; // only first next!!
683 //______________________________________________________________________
684 void AliITSsimulationSPD::SetCouplingOld(Int_t row, Int_t col, Int_t ntrack,
685 Int_t idhit,Int_t module,
686 AliITSpList *pList) {
687 // Take into account the coupling between adiacent pixels.
688 // The parameters probcol and probrow are the fractions of the
689 // signal in one pixel shared in the two adjacent pixels along
690 // the column and row direction, respectively.
692 // Int_t row pixel row number
693 // Int_t col pixel column number
694 // Int_t ntrack track number of track contributing to this pixel
695 // Int_t idhit hit index number of hit contributing to this pixel
696 // Int_t module module number
697 // AliITSpList *pList the array of SDigits
699 // AliITSpList *pList the array of SDigits
705 <img src="picts/ITS/barimodel_3.gif">
708 <font size=+2 color=red>
709 <a href="mailto:Rocco.Caliandro@ba.infn.it"></a>.
715 Double_t pulse1,pulse2;
716 Double_t couplR=0.0,couplC=0.0;
718 GetCouplings(couplR,couplC);
721 pulse1 = fMapA2->GetSignal(row,col);
723 for (Int_t isign=-1;isign<=1;isign+=2){// loop in row direction
727 if ((j1<0) || (j1>GetNPixelsZ()-1) || (pulse1<GetThreshold())){
728 pulse1 = fMapA2->GetSignal(row,col);
732 UpdateMapSignal(j1,col,ntrack,idhit,module,pulse1,pList);
736 // loop in column direction
740 if ((j2<0) || (j2>(GetNPixelsX()-1)) || (pulse2<GetThreshold())){
741 pulse2 = fMapA2->GetSignal(row,col);
745 UpdateMapSignal(row,j2,ntrack,idhit,module,pulse2,pList);
751 //______________________________________________________________________
752 void AliITSsimulationSPD::CreateDigit(Int_t module,AliITSpList *pList) {
753 // The pixels are fired if the energy deposited inside them is above
754 // the threshold parameter ethr. Fired pixed are interpreted as digits
755 // and stored in the file digitfilename. One also needs to write out
756 // cases when there is only noise (nhits==0).
759 // AliITSpList *pList the array of SDigits
761 // AliITSpList *pList the array of SDigits
765 static AliITS *aliITS = (AliITS*)gAlice->GetModule("ITS");
767 Int_t size = AliITSdigitSPD::GetNTracks();
768 Int_t * digits = new Int_t[size];
769 Int_t * tracks = new Int_t[size];
770 Int_t * hits = new Int_t[size];
771 Float_t * charges = new Float_t[size];
774 module=0; // remove unused variable warning.
775 for(j1=0;j1<size;j1++){tracks[j1]=-3;hits[j1]=-1;charges[j1]=0.0;}
776 for (Int_t r=1;r<=GetNPixelsZ();r++) {
777 for (Int_t c=1;c<=GetNPixelsX();c++) {
778 // check if the deposited energy in a pixel is above the
780 Float_t signal = (Float_t) fMapA2->GetSignal(r,c);
781 if ( signal > GetThreshold()) {
782 digits[0] = r-1; // digits starts from 0
783 digits[1] = c-1; // digits starts from 0
785 digits[2] = (Int_t) signal; // the signal is stored in
787 for(j1=0;j1<size;j1++){
788 if(j1<pList->GetNEnteries()){
789 tracks[j1] = pList->GetTrack(r,c,j1);
790 hits[j1] = pList->GetHit(r,c,j1);
798 aliITS->AddSimDigit(0,phys,digits,tracks,hits,charges);
799 AliDebug(1,Form("mod=%d r,c=%d,%d sig=%f noise=%f Msig=%d Thres=%f",
800 fModule,r,c,fpList->GetSignalOnly(r,c),fpList->GetNoise(r,c),
801 signal,GetThreshold()));
802 } // end if of threshold condition
810 //______________________________________________________________________
811 void AliITSsimulationSPD::SetFluctuations(AliITSpList *pList,Int_t module) {
812 // Set the electronic noise and threshold non-uniformities to all the
813 // pixels in a detector.
814 // The parameter fSigma is the squared sum of the sigma due to noise
815 // and the sigma of the threshold distribution among pixels.
817 // Int_t module modulel number
818 // AliITSpList *pList the array of SDigits
820 // AliITSpList *pList the array of SDigits
826 <img src="picts/ITS/barimodel_1.gif">
829 <font size=+2 color=red>
830 <a href="mailto:Rocco.Caliandro@ba.infn.it"></a>.
835 Double_t thr=0.0,sigm=0.0;
836 Double_t signal,sigma;
839 GetThresholds(thr,sigm);
840 sigma = (Double_t) sigm;
841 for(iz=1;iz<=GetNPixelsZ();iz++){
842 for(ix=1;ix<=GetNPixelsX();ix++){
843 signal = sigma*gRandom->Gaus();
844 fMapA2->SetHit(iz,ix,signal);
845 // insert in the label-signal-hit list the pixels fired
847 pList->AddNoise(iz,ix,module,signal);
848 } // end of loop on pixels
849 } // end of loop on pixels
851 //______________________________________________________________________
852 void AliITSsimulationSPD::SetMask() {
853 // Apply a mask to the SPD module. 1% of the pixel channels are
854 // masked. When the database will be ready, the masked pixels
855 // should be read from it.
865 Float_t perc = ((AliITSresponseSPD*)fResponse)->GetFractionDead();
866 // in this way we get the same set of random numbers for all runs.
867 // This is a cluge for now.
868 static TRandom *rnd = new TRandom();
870 totMask= perc*GetNPixelsZ()*GetNPixelsX();
871 for(im=1;im<totMask;im++){
873 ix=(Int_t)(rnd->Rndm()*(GetNPixelsX()-1.) + 1.);
874 } while(ix<=0 || ix>GetNPixelsX());
876 iz=(Int_t)(rnd->Rndm()*(GetNPixelsZ()-1.) + 1.);
877 } while(iz<=0 || iz>GetNPixelsZ());
879 fMapA2->SetHit(iz,ix,signal);
880 } // end loop on masked pixels
882 //______________________________________________________________________
883 void AliITSsimulationSPD::CreateHistograms() {
893 fHis=new TObjArray(GetNPixelsZ());
894 for(i=0;i<GetNPixelsZ();i++) {
895 TString spdname("spd_");
897 sprintf(candnum,"%d",i+1);
898 spdname.Append(candnum);
899 (*fHis)[i] = new TH1F(spdname.Data(),"SPD maps",
900 GetNPixelsX(),0.,(Float_t) GetNPixelsX());
903 //______________________________________________________________________
904 void AliITSsimulationSPD::ResetHistograms() {
905 // Reset histograms for this detector
914 for(i=0;i<GetNPixelsZ();i++ ) {
915 if ((*fHis)[i]) ((TH1F*)(*fHis)[i])->Reset();
918 //______________________________________________________________________
919 void AliITSsimulationSPD::WriteSDigits(AliITSpList *pList){
920 // Fills the Summable digits Tree
922 // AliITSpList *pList the array of SDigits
924 // AliITSpList *pList the array of SDigits
928 static AliITS *aliITS = (AliITS*)gAlice->GetModule("ITS");
930 pList->GetMaxMapIndex(ni,nj);
931 for(i=0;i<ni;i++)for(j=0;j<nj;j++){
932 if(pList->GetSignalOnly(i,j)>0.0){
933 aliITS->AddSumDigit(*(pList->GetpListItem(i,j)));
934 if(AliDebugLevel()>0){
935 cout << "pListSPD: " << *(pList->GetpListItem(i,j)) << endl;
936 AliDebug(1,Form("mod=%d r,c=%d %d sig=%f noise=%f",
937 fModule,i,j,fpList->GetSignalOnly(i,j),fpList->GetNoise(i,j)))
943 //______________________________________________________________________
944 void AliITSsimulationSPD::FillMapFrompList(AliITSpList *pList){
945 // Fills fMap2A from the pList of Summable digits
947 // AliITSpList *pList the array of SDigits
949 // AliITSpList *pList the array of SDigits
954 for(iz=0;iz<GetNPixelsZ();iz++)for(ix=0;ix<GetNPixelsX();ix++)
955 fMapA2->AddSignal(iz,ix,pList->GetSignal(iz,ix));