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 **************************************************************************/
18 #include <Riostream.h>
23 #include <TParticle.h>
27 #include "AliITShit.h"
28 #include "AliITSdigitSPD.h"
29 #include "AliITSmodule.h"
30 #include "AliITSMapA2.h"
31 #include "AliITSpList.h"
32 #include "AliITSsimulationSPD.h"
33 #include "AliITSsegmentation.h"
34 #include "AliITSresponse.h"
35 #include "AliITSsegmentationSPD.h"
36 #include "AliITSresponseSPD.h"
41 ClassImp(AliITSsimulationSPD)
42 ////////////////////////////////////////////////////////////////////////
44 // Written by Rocco Caliandro
45 // from a model developed with T. Virgili and R.A. Fini
48 // AliITSsimulationSPD is the simulation of SPDs
50 //______________________________________________________________________
51 AliITSsimulationSPD::AliITSsimulationSPD() : AliITSsimulation(),
54 // Default constructor
60 // A default constructed AliITSsimulationSPD class.
62 //______________________________________________________________________
63 AliITSsimulationSPD::AliITSsimulationSPD(AliITSsegmentation *seg,
65 AliITSsimulation(seg,res),
68 // Standard constructor
70 // AliITSsegmentation *seg Segmentation class to be used
71 // AliITSresonse *res Response class to be used
75 // A standard constructed AliITSsimulationSPD class.
79 //______________________________________________________________________
80 void AliITSsimulationSPD::Init() {
81 // Initilizes the variables of AliITSsimulation SPD.
90 if(fMapA2) delete fMapA2;
91 fMapA2 = new AliITSMapA2(fSegmentation);
92 if(fpList) delete fpList;
93 fpList = new AliITSpList(GetNPixelsZ()+1,GetNPixelsX()+1);
95 //______________________________________________________________________
96 void AliITSsimulationSPD::Init(AliITSsegmentationSPD *seg,
97 AliITSresponseSPD *resp) {
98 // Initilizes the variables of AliITSsimulation SPD.
100 // AliITSsegmentationSPD replacement segmentation class to be used
101 // aliITSresponseSPD replacement response class to be used
112 if(fResponse) delete fResponse;
114 if(fSegmentation) delete fSegmentation;
116 if(fMapA2) delete fMapA2;
117 fMapA2 = new AliITSMapA2(fSegmentation);
118 if(fpList) delete fpList;
119 fpList = new AliITSpList(GetNPixelsZ()+1,GetNPixelsX()+1);
121 //______________________________________________________________________
122 AliITSsimulationSPD::~AliITSsimulationSPD() {
131 if(fMapA2) delete fMapA2;
138 //______________________________________________________________________
139 AliITSsimulationSPD::AliITSsimulationSPD(const AliITSsimulationSPD &source) :
140 AliITSsimulation(source){
147 // A new AliITSsimulationSPD class with the same parameters as source.
149 if(&source == this) return;
151 this->fMapA2 = source.fMapA2;
152 this->fHis = source.fHis;
155 //______________________________________________________________________
156 AliITSsimulationSPD& AliITSsimulationSPD::operator=(const AliITSsimulationSPD
158 // Assignment operator
164 // A new AliITSsimulationSPD class with the same parameters as source.
166 if(&source == this) return *this;
168 this->fMapA2 = source.fMapA2;
169 this->fHis = source.fHis;
172 //______________________________________________________________________
173 AliITSsimulation& AliITSsimulationSPD::operator=(const AliITSsimulation
175 // Assignment operator
181 // A new AliITSsimulationSPD class with the same parameters as source.
183 if(&source == this) return *this;
184 Error("AliITSsimulationSPD","Not allowed to make a = with "
185 "AliITSsimulationSPD Using default creater instead");
190 //______________________________________________________________________
191 void AliITSsimulationSPD::InitSimulationModule(Int_t module,Int_t event){
192 // Creates maps to build the list of tracks for each sumable digit
194 // Int_t module // Module number to be simulated
195 // Int_t event // Event number to be simulated
206 //______________________________________________________________________
207 void AliITSsimulationSPD::FinishSDigitiseModule(){
208 // Does the Sdigits to Digits work
216 SDigitsToDigits(fModule,fpList);
218 //______________________________________________________________________
219 void AliITSsimulationSPD::SDigitiseModule(AliITSmodule *mod, Int_t dummy0,
221 // Sum digitize module
223 // AliITSmodule *mod The module to be SDgitized
224 // Int_t dummy0 Not used kept for general compatibility
225 // Int_t dummy1 Not used kept for general compatibility
230 if (!(mod->GetNhits())) return; // if module has no hits then no Sdigits.
231 Int_t number = 10000;
232 Int_t *frowpixel = new Int_t[number];
233 Int_t *fcolpixel = new Int_t[number];
234 Double_t *fenepixel = new Double_t[number];
236 dummy0 = dummy1; // remove unsued variable warning.
237 fModule = mod->GetIndex();
239 // Array of pointers to store the track index of the digits
240 // leave +1, otherwise pList crashes when col=256, row=192
242 HitsToAnalogDigits(mod,frowpixel,fcolpixel,fenepixel,fpList);
244 WriteSDigits(fpList);
253 //______________________________________________________________________
254 void AliITSsimulationSPD::DigitiseModule(AliITSmodule *mod, Int_t,Int_t) {
255 // digitize module. Also need to digitize modules with only noise.
257 // AliITSmodule *mod The module to be SDgitized
263 Int_t number = 10000;
264 Int_t *frowpixel = new Int_t[number];
265 Int_t *fcolpixel = new Int_t[number];
266 Double_t *fenepixel = new Double_t[number];
268 // Array of pointers to store the track index of the digits
269 // leave +1, otherwise pList crashes when col=256, row=192
270 fModule = mod->GetIndex();
272 SetFluctuations(fpList,fModule);
274 HitsToAnalogDigits(mod,frowpixel,fcolpixel,fenepixel,fpList);
276 // apply mask to SPD module
279 CreateDigit(fModule,fpList);
288 //______________________________________________________________________
289 void AliITSsimulationSPD::SDigitsToDigits(Int_t module,AliITSpList *pList) {
290 // sum digits to Digits.
292 // AliITSmodule *mod The module to be SDgitized
293 // AliITSpList *pList the array of SDigits
295 // AliITSpList *pList the array of SDigits
299 AliDebug(1,Form("Entering AliITSsimulatinSPD::SDigitsToDigits for module=%d",
304 SetFluctuations(pList,module);
306 fMapA2->ClearMap(); // since noise is in pList aready. Zero Map so that
307 // noise is not doubled when calling FillMapFrompList.
309 FillMapFrompList(pList);
311 // apply mask to SPD module
314 CreateDigit(module,pList);
319 //______________________________________________________________________
320 void AliITSsimulationSPD::UpdateMapSignal(Int_t row,Int_t col,Int_t trk,
321 Int_t hit,Int_t mod,Double_t ene,
322 AliITSpList *pList) {
323 // updates the Map of signal, adding the energy (ene) released by
326 // Int_t row pixel row number
327 // Int_t col pixel column number
328 // Int_t trk track number which contributed
329 // Int_t hit hit number which contributed
330 // Int_t mod module number
331 // Double_t ene the energy associated with this contribution
332 // AliITSpList *pList the array of SDigits
334 // AliITSpList *pList the array of SDigits
338 fMapA2->AddSignal(row,col,ene);
339 pList->AddSignal(row,col,trk,hit,mod,ene);
341 //______________________________________________________________________
342 void AliITSsimulationSPD::UpdateMapNoise(Int_t row,Int_t col,Int_t mod,
343 Double_t ene,AliITSpList *pList) {
344 // updates the Map of noise, adding the energy (ene) give my noise
346 // Int_t row pixel row number
347 // Int_t col pixel column number
348 // Int_t mod module number
349 // Double_t ene the energy associated with this contribution
350 // AliITSpList *pList the array of SDigits
352 // AliITSpList *pList the array of SDigits
356 fMapA2->AddSignal(row,col,ene);
357 pList->AddNoise(row,col,mod,ene);
359 //______________________________________________________________________
360 void AliITSsimulationSPD::HitsToAnalogDigits(AliITSmodule *mod,
361 Int_t *frowpixel,Int_t *fcolpixel,
363 AliITSpList *pList) {
364 // Loops over all hits to produce Analog/floting point digits. This
365 // is also the first task in producing standard digits.
367 // AliITSmodule *mod module class
368 // Int_t *frowpixel array of pixel rows
369 // Int_t *fcolpixel array of pixel columns
370 // Double_t *fenepiexel array of pixel energies
371 // AliITSpList *pList the array of SDigits
373 // AliITSpList *pList the array of SDigits
377 // loop over hits in the module
378 Int_t hitpos,nhits = mod->GetNhits();
379 for (hitpos=0;hitpos<nhits;hitpos++) {
380 HitToDigit(mod,hitpos,frowpixel,fcolpixel,fenepixel,pList);
381 }// end loop over digits
383 //______________________________________________________________________
384 void AliITSsimulationSPD::HitToDigit(AliITSmodule *mod,Int_t hitpos,
385 Int_t *frowpixel,Int_t *fcolpixel,
386 Double_t *fenepixel,AliITSpList *pList) {
387 // Steering function to determine the digits associated to a given
389 // The digits are created by charge sharing (ChargeSharing) and by
390 // capacitive coupling (SetCoupling). At all the created digits is
391 // associated the track number of the hit (ntrack)
393 // AliITSmodule *mod module class
394 // Int_t hitpos hit index value
395 // Int_t *frowpixel array of pixel rows
396 // Int_t *fcolpixel array of pixel columns
397 // Double_t *fenepiexel array of pixel energies
398 // AliITSpList *pList the array of SDigits
400 // AliITSpList *pList the array of SDigits
403 Double_t x1l=0.0,y1l=0.0,z1l=0.0,x2l=0.0,y2l=0.0,z2l=0.0;
404 Int_t r1,r2,c1,c2,row,col,npixel = 0;
406 Double_t ene=0.0,etot=0.0;
407 const Float_t kconv = 10000.; // cm -> microns
408 const Float_t kconv1= 0.277e9; // GeV -> electrons equivalent
410 if(!(mod->LineSegmentL(hitpos,x1l,x2l,y1l,y2l,z1l,z2l,etot,ntrack)))return;
412 x2l += x1l; y2l += y1l; z2l += z1l; // Convert to ending coordinate.
413 // positions shifted and converted in microns
414 x1l = x1l*kconv + fSegmentation->Dx()/2.;
415 z1l = z1l*kconv + fSegmentation->Dz()/2.;
416 // positions shifted and converted in microns
417 x2l = x2l*kconv + fSegmentation->Dx()/2.;
418 z2l = z2l*kconv + fSegmentation->Dz()/2.;
419 etot *= kconv1; // convert from GeV to electrons equivalent.
420 Int_t module = mod->GetIndex();
422 // to account for the effective sensitive area
423 // introduced in geometry
424 if (z1l<0 || z1l>fSegmentation->Dz()) return;
425 if (z2l<0 || z2l>fSegmentation->Dz()) return;
426 if (x1l<0 || x1l>fSegmentation->Dx()) return;
427 if (x2l<0 || x2l>fSegmentation->Dx()) return;
429 //Get the col and row number starting from 1
430 // the x direction is not inverted for the second layer!!!
431 fSegmentation->GetPadIxz(x1l, z1l, c1, r1);
432 fSegmentation->GetPadIxz(x2l, z2l, c2, r2);
434 // to account for unexpected equal entrance and
436 if (x1l==x2l) x2l=x2l+x2l*0.1;
437 if (z1l==z2l) z2l=z2l+z2l*0.1;
439 if ((r1==r2) && (c1==c2)){
442 frowpixel[npixel-1] = r1;
443 fcolpixel[npixel-1] = c1;
444 fenepixel[npixel-1] = etot;
447 ChargeSharing(x1l,z1l,x2l,z2l,c1,r1,c2,r2,etot,
448 npixel,frowpixel,fcolpixel,fenepixel);
449 } // end if r1==r2 && c1==c2.
451 for (Int_t npix=0;npix<npixel;npix++){
452 row = frowpixel[npix];
453 col = fcolpixel[npix];
454 ene = fenepixel[npix];
455 UpdateMapSignal(row,col,ntrack,hitpos,module,ene,pList);
456 // Starting capacitive coupling effect
457 SetCoupling(row,col,ntrack,hitpos,module,pList);
460 //______________________________________________________________________
461 void AliITSsimulationSPD::ChargeSharing(Float_t x1l,Float_t z1l,Float_t x2l,
462 Float_t z2l,Int_t c1,Int_t r1,Int_t c2,
463 Int_t r2,Float_t etot,
464 Int_t &npixel,Int_t *frowpixel,
465 Int_t *fcolpixel,Double_t *fenepixel){
466 // Take into account the geometrical charge sharing when the track
467 // crosses more than one pixel.
479 // Int_t *frowpixel array of pixel rows
480 // Int_t *fcolpixel array of pixel columns
481 // Double_t *fenepiexel array of pixel energies
489 <img src="picts/ITS/barimodel_2.gif">
492 <font size=+2 color=red>
493 <a href="mailto:Rocco.Caliandro@ba.infn.it"></a>.
499 Float_t xa,za,xb,zb,dx,dz,dtot,refr,refm,refc;
501 Float_t arefm, arefr, arefn, arefc, azb, az2l, axb, ax2l;
502 Int_t dirx,dirz,rb,cb;
503 Int_t flag,flagrow,flagcol;
513 dtot = TMath::Sqrt((dx*dx)+(dz*dz));
514 if (dtot==0.0) dtot = 0.01;
515 dirx = (Int_t) TMath::Sign((Float_t)1,dx);
516 dirz = (Int_t) TMath::Sign((Float_t)1,dz);
518 // calculate the x coordinate of the pixel in the next column
519 // and the z coordinate of the pixel in the next row
522 fSegmentation->GetPadCxz(c1, r1-1, xpos, zpos);
524 Float_t xsize = fSegmentation->Dpx(0);
525 Float_t zsize = fSegmentation->Dpz(r1-1);
527 if (dirx == 1) refr = xpos+xsize/2.;
528 else refr = xpos-xsize/2.;
530 if (dirz == 1) refn = zpos+zsize/2.;
531 else refn = zpos-zsize/2.;
537 // calculate the x coordinate of the intersection with the pixel
538 // in the next cell in row direction
540 refm = dx*((refn - z1l)/dz) + x1l;
542 refm = refr+dirx*xsize;
544 // calculate the z coordinate of the intersection with the pixel
545 // in the next cell in column direction
547 refc = dz*((refr - x1l)/dx) + z1l;
549 refc = refn+dirz*zsize;
556 if ((arefm < arefr) && (arefn < arefc)){
557 // the track goes in the pixel in the next cell in row direction
564 if (rb == r2) flagrow=1;
569 // shift to the pixel in the next cell in row direction
570 Float_t zsizeNext = fSegmentation->Dpz(rb-1);
571 //to account for cell at the borders of the detector
572 if(zsizeNext==0) zsizeNext = zsize;
573 refn += zsizeNext*dirz;
575 // the track goes in the pixel in the next cell in column direction
582 if (cb == c2) flagcol=1;
586 } // end ifaxb > ax2l
588 // shift to the pixel in the next cell in column direction
589 Float_t xsizeNext = fSegmentation->Dpx(cb-1);
590 //to account for cell at the borders of the detector
591 if(xsizeNext==0) xsizeNext = xsize;
592 refr += xsizeNext*dirx;
593 } // end if (arefm < arefr) && (arefn < arefc)
595 //calculate the energy lost in the crossed pixel
596 epar = TMath::Sqrt((xb-xa)*(xb-xa)+(zb-za)*(zb-za));
597 epar = etot*(epar/dtot);
599 //store row, column and energy lost in the crossed pixel
600 frowpixel[npixel] = r1;
601 fcolpixel[npixel] = c1;
602 fenepixel[npixel] = epar;
605 // the exit point of the track is reached
606 if (epar == 0) flag = 1;
607 if ((r1 == r2) && (c1 == c2)) flag = 1;
616 //______________________________________________________________________
617 void AliITSsimulationSPD::SetCoupling(Int_t row, Int_t col, Int_t ntrack,
618 Int_t idhit,Int_t module,
619 AliITSpList *pList) {
620 // Take into account the coupling between adiacent pixels.
621 // The parameters probcol and probrow are the probability of the
622 // signal in one pixel shared in the two adjacent pixels along
623 // the column and row direction, respectively.
625 // Int_t row pixel row number
626 // Int_t col pixel column number
627 // Int_t ntrack track number of track contributing to this signal
628 // Int_t idhit hit number of hit contributing to this signal
629 // Int_t module module number
630 // AliITSpList *pList the array of SDigits
632 // AliITSpList *pList the array of SDigits
638 <img src="picts/ITS/barimodel_3.gif">
641 <font size=+2 color=red>
642 <a href="mailto:tiziano.virgili@cern.ch"></a>.
648 Double_t pulse1,pulse2;
649 Double_t couplR=0.0,couplC=0.0;
652 GetCouplings(couplR,couplC);
655 pulse1 = fMapA2->GetSignal(row,col);
657 for (Int_t isign=-1;isign<=1;isign+=2){// loop in row direction
661 xr = gRandom->Rndm();
662 //if ((j1<0) || (j1>GetNPixelsZ()-1) || (pulse1<GetThreshold())){
663 if ((j1<0) || (j1>GetNPixelsZ()-1) || (xr>couplR)){
667 UpdateMapSignal(j1,col,ntrack,idhit,module,pulse1,pList);
669 flag = 1; // only first next!!
672 // loop in column direction
676 xr = gRandom->Rndm();
677 //if ((j2<0) || (j2>(GetNPixelsX()-1)) || (pulse2<GetThreshold())){
678 if ((j2<0) || (j2>GetNPixelsX()-1) || (xr>couplC)){
682 UpdateMapSignal(row,j2,ntrack,idhit,module,pulse2,pList);
684 flag = 1; // only first next!!
689 //______________________________________________________________________
690 void AliITSsimulationSPD::SetCouplingOld(Int_t row, Int_t col, Int_t ntrack,
691 Int_t idhit,Int_t module,
692 AliITSpList *pList) {
693 // Take into account the coupling between adiacent pixels.
694 // The parameters probcol and probrow are the fractions of the
695 // signal in one pixel shared in the two adjacent pixels along
696 // the column and row direction, respectively.
698 // Int_t row pixel row number
699 // Int_t col pixel column number
700 // Int_t ntrack track number of track contributing to this pixel
701 // Int_t idhit hit index number of hit contributing to this pixel
702 // Int_t module module number
703 // AliITSpList *pList the array of SDigits
705 // AliITSpList *pList the array of SDigits
711 <img src="picts/ITS/barimodel_3.gif">
714 <font size=+2 color=red>
715 <a href="mailto:Rocco.Caliandro@ba.infn.it"></a>.
721 Double_t pulse1,pulse2;
722 Double_t couplR=0.0,couplC=0.0;
724 GetCouplings(couplR,couplC);
727 pulse1 = fMapA2->GetSignal(row,col);
729 for (Int_t isign=-1;isign<=1;isign+=2){// loop in row direction
733 if ((j1<0) || (j1>GetNPixelsZ()-1) || (pulse1<GetThreshold())){
734 pulse1 = fMapA2->GetSignal(row,col);
738 UpdateMapSignal(j1,col,ntrack,idhit,module,pulse1,pList);
742 // loop in column direction
746 if ((j2<0) || (j2>(GetNPixelsX()-1)) || (pulse2<GetThreshold())){
747 pulse2 = fMapA2->GetSignal(row,col);
751 UpdateMapSignal(row,j2,ntrack,idhit,module,pulse2,pList);
757 //______________________________________________________________________
758 void AliITSsimulationSPD::CreateDigit(Int_t module,AliITSpList *pList) {
759 // The pixels are fired if the energy deposited inside them is above
760 // the threshold parameter ethr. Fired pixed are interpreted as digits
761 // and stored in the file digitfilename. One also needs to write out
762 // cases when there is only noise (nhits==0).
765 // AliITSpList *pList the array of SDigits
767 // AliITSpList *pList the array of SDigits
771 static AliITS *aliITS = (AliITS*)gAlice->GetModule("ITS");
773 Int_t size = AliITSdigitSPD::GetNTracks();
774 Int_t * digits = new Int_t[size];
775 Int_t * tracks = new Int_t[size];
776 Int_t * hits = new Int_t[size];
777 Float_t * charges = new Float_t[size];
780 module=0; // remove unused variable warning.
781 for(j1=0;j1<size;j1++){tracks[j1]=-3;hits[j1]=-1;charges[j1]=0.0;}
782 for (Int_t r=1;r<=GetNPixelsZ();r++) {
783 for (Int_t c=1;c<=GetNPixelsX();c++) {
784 // check if the deposited energy in a pixel is above the
786 Float_t signal = (Float_t) fMapA2->GetSignal(r,c);
787 if ( signal > GetThreshold()) {
788 digits[0] = r-1; // digits starts from 0
789 digits[1] = c-1; // digits starts from 0
791 digits[2] = (Int_t) signal; // the signal is stored in
793 for(j1=0;j1<size;j1++){
794 if(j1<pList->GetNEnteries()){
795 tracks[j1] = pList->GetTrack(r,c,j1);
796 hits[j1] = pList->GetHit(r,c,j1);
804 aliITS->AddSimDigit(0,phys,digits,tracks,hits,charges);
805 AliDebug(1,Form("mod=%d r,c=%d,%d sig=%f noise=%f Msig=%d Thres=%f",
806 fModule,r,c,fpList->GetSignalOnly(r,c),fpList->GetNoise(r,c),
807 signal,GetThreshold()));
808 } // end if of threshold condition
816 //______________________________________________________________________
817 void AliITSsimulationSPD::SetFluctuations(AliITSpList *pList,Int_t module) {
818 // Set the electronic noise and threshold non-uniformities to all the
819 // pixels in a detector.
820 // The parameter fSigma is the squared sum of the sigma due to noise
821 // and the sigma of the threshold distribution among pixels.
823 // Int_t module modulel number
824 // AliITSpList *pList the array of SDigits
826 // AliITSpList *pList the array of SDigits
832 <img src="picts/ITS/barimodel_1.gif">
835 <font size=+2 color=red>
836 <a href="mailto:Rocco.Caliandro@ba.infn.it"></a>.
841 Double_t thr=0.0,sigm=0.0;
842 Double_t signal,sigma;
845 GetThresholds(thr,sigm);
846 sigma = (Double_t) sigm;
847 for(iz=1;iz<=GetNPixelsZ();iz++){
848 for(ix=1;ix<=GetNPixelsX();ix++){
849 signal = sigma*gRandom->Gaus();
850 fMapA2->SetHit(iz,ix,signal);
851 // insert in the label-signal-hit list the pixels fired
853 pList->AddNoise(iz,ix,module,signal);
854 } // end of loop on pixels
855 } // end of loop on pixels
857 //______________________________________________________________________
858 void AliITSsimulationSPD::SetMask() {
859 // Apply a mask to the SPD module. 1% of the pixel channels are
860 // masked. When the database will be ready, the masked pixels
861 // should be read from it.
871 Float_t perc = ((AliITSresponseSPD*)fResponse)->GetFractionDead();
872 // in this way we get the same set of random numbers for all runs.
873 // This is a cluge for now.
874 static TRandom *rnd = new TRandom();
876 totMask= perc*GetNPixelsZ()*GetNPixelsX();
877 for(im=1;im<totMask;im++){
879 ix=(Int_t)(rnd->Rndm()*(GetNPixelsX()-1.) + 1.);
880 } while(ix<=0 || ix>GetNPixelsX());
882 iz=(Int_t)(rnd->Rndm()*(GetNPixelsZ()-1.) + 1.);
883 } while(iz<=0 || iz>GetNPixelsZ());
885 fMapA2->SetHit(iz,ix,signal);
886 } // end loop on masked pixels
888 //______________________________________________________________________
889 void AliITSsimulationSPD::CreateHistograms() {
899 fHis=new TObjArray(GetNPixelsZ());
900 for(i=0;i<GetNPixelsZ();i++) {
901 TString spdname("spd_");
903 sprintf(candnum,"%d",i+1);
904 spdname.Append(candnum);
905 (*fHis)[i] = new TH1F(spdname.Data(),"SPD maps",
906 GetNPixelsX(),0.,(Float_t) GetNPixelsX());
909 //______________________________________________________________________
910 void AliITSsimulationSPD::ResetHistograms() {
911 // Reset histograms for this detector
920 for(i=0;i<GetNPixelsZ();i++ ) {
921 if ((*fHis)[i]) ((TH1F*)(*fHis)[i])->Reset();
924 //______________________________________________________________________
925 void AliITSsimulationSPD::WriteSDigits(AliITSpList *pList){
926 // Fills the Summable digits Tree
928 // AliITSpList *pList the array of SDigits
930 // AliITSpList *pList the array of SDigits
934 static AliITS *aliITS = (AliITS*)gAlice->GetModule("ITS");
936 pList->GetMaxMapIndex(ni,nj);
937 for(i=0;i<ni;i++)for(j=0;j<nj;j++){
938 if(pList->GetSignalOnly(i,j)>0.0){
939 aliITS->AddSumDigit(*(pList->GetpListItem(i,j)));
940 if(AliDebugLevel()>0){
941 cout << "pListSPD: " << *(pList->GetpListItem(i,j)) << endl;
942 AliDebug(1,Form("mod=%d r,c=%d %d sig=%f noise=%f",
943 fModule,i,j,fpList->GetSignalOnly(i,j),fpList->GetNoise(i,j)))
949 //______________________________________________________________________
950 void AliITSsimulationSPD::FillMapFrompList(AliITSpList *pList){
951 // Fills fMap2A from the pList of Summable digits
953 // AliITSpList *pList the array of SDigits
955 // AliITSpList *pList the array of SDigits
960 for(iz=0;iz<GetNPixelsZ();iz++)for(ix=0;ix<GetNPixelsX();ix++)
961 fMapA2->AddSignal(iz,ix,pList->GetSignal(iz,ix));