//
// ITS response class for SPD
//
-class AliITSresponseSPDdubna :
- public AliITSresponse {
-public:
-
- AliITSresponseSPDdubna();
- virtual ~AliITSresponseSPDdubna() {
- // destructror
- }
- //
- // Configuration methods
- //
- virtual void SetDiffCoeff(Float_t p1=0.00433,Float_t dummy=0.) {
- // Diffusion coefficient
- fDiffCoeff=p1;
- }
- virtual void DiffCoeff(Float_t &diffc,Float_t &dummy) {
- // Get diffusion coefficient
- diffc= fDiffCoeff;
- }
- virtual void SetNoiseParam(Float_t n=200., Float_t b=0.) {
- // set noise and baseline
- fNoise=n; fBaseline=b;
- }
- virtual void GetNoiseParam(Float_t &n, Float_t &b) {
- // get noise and baseline
- n=fNoise; b=fBaseline;
- }
- virtual void SetMinVal(Int_t p1=2000) {
- // Zero-suppression option threshold
- fThreshold=p1;
- }
- virtual Int_t MinVal() {
- // Get zero-suppression threshold
- return fThreshold;
- }
- virtual void SetDataType(const char *data="simulated") {
- // Type of data - real or simulated
- fDataType=data;
- }
- virtual const char *DataType() const {
- // Get data typer
- return fDataType.Data();
- }
-
- ClassDef(AliITSresponseSPDdubna,1) // SPD response
-
- protected:
-
- Float_t fDiffCoeff; // Diffusion Coefficient
- Float_t fNoise; // Noise value
- Float_t fBaseline; // Baseline value
- Int_t fThreshold; // Zero-Suppression threshold
-
- TString fDataType; // Type of data - real or simulated
-};
+class AliITSresponseSPDdubna : public AliITSresponse {
+ public:
+ AliITSresponseSPDdubna();
+ virtual ~AliITSresponseSPDdubna() {
+ // destructror
+ }
+ //
+ // Configuration methods
+ //
+ virtual void SetDiffCoeff(Float_t p1=7.877e-3/*0.00433*/,Float_t dummy=0.) {
+ // Diffusion coefficient
+ fDiffCoeff = p1;
+ }
+ virtual Double_t DiffusionSigma(Double_t dy);
+ virtual void DiffCoeff(Float_t &diffc,Float_t &dummy) {
+ // Get diffusion coefficient
+ diffc= fDiffCoeff;
+ }
+ virtual void SetNoiseParam(Float_t n=200., Float_t b=0.) {
+ // set noise and baseline
+ fNoise=n; fBaseline=b;
+ }
+ virtual void GetNoiseParam(Float_t &n, Float_t &b) {
+ // get noise and baseline
+ n=fNoise; b=fBaseline;
+ }
+ virtual void SetMinVal(Int_t p1=2000) {
+ // Zero-suppression option threshold
+ fThreshold=p1;
+ }
+ virtual Int_t MinVal() {
+ // Get zero-suppression threshold
+ return fThreshold;
+ }
+ virtual void SetDataType(const char *data="simulated") {
+ // Type of data - real or simulated
+ fDataType=data;
+ }
+ virtual const char *DataType() const {
+ // Get data typer
+ return fDataType.Data();
+ }
+ virtual void SetGeVToCharge(Float_t e = 2.778E+08) {
+ // sets the conversion factor to go from Energy GeV to charge
+ // (electrons).
+ fGeVtoElec = e;
+ }
+ virtual Float_t GetGeVToCharge() {
+ // Returns the conversion factor to go from Energy GeV to charge
+ // (electrons).
+ return fGeVtoElec;
+ }
+ virtual const Float_t GeVToCharge(Float_t e) const {
+ // Converts deposited energy into electrons in Si.
+ return e*fGeVtoElec;
+ }
+
+ protected:
+ Float_t fDiffCoeff; // Diffusion Coefficient
+ Float_t fNoise; // Noise value
+ Float_t fBaseline; // Baseline value
+ Int_t fThreshold; // Zero-Suppression threshold
+ Float_t fGeVtoElec; // Conversion factor from GeV to electons
+ TString fDataType; // Type of data - real or simulated
+ ClassDef(AliITSresponseSPDdubna,2) // SPD response
+};
#endif
+/**************************************************************************
+ * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
+ * *
+ * Author: The ALICE Off-line Project. *
+ * Contributors are mentioned in the code where appropriate. *
+ * *
+ * Permission to use, copy, modify and distribute this software and its *
+ * documentation strictly for non-commercial purposes is hereby granted *
+ * without fee, provided that the above copyright notice appears in all *
+ * copies and that both the copyright notice and this permission notice *
+ * appear in the supporting documentation. The authors make no claims *
+ * about the suitability of this software for any purpose. It is *
+ * provided "as is" without express or implied warranty. *
+ **************************************************************************/
+
+/*
+$Log$
+*/
#include <iostream.h>
#include <TRandom.h>
#include <TH1.h>
#include <TString.h>
#include <TParticle.h>
-
#include "AliRun.h"
#include "AliITS.h"
#include "AliITShit.h"
#include "AliITSMapA2.h"
#include "AliITSpList.h"
#include "AliITSsimulationSPDdubna.h"
-#include "AliITSsegmentation.h"
-#include "AliITSresponse.h"
-
-
+#include "AliITSsegmentationSPD.h"
+#include "AliITSresponseSPDdubna.h"
+//#define DEBUG
ClassImp(AliITSsimulationSPDdubna)
////////////////////////////////////////////////////////////////////////
AliITSsimulationSPDdubna::AliITSsimulationSPDdubna(AliITSsegmentation *seg,
AliITSresponse *resp){
// standard constructor
+ const Double_t kmictocm = 1.0e-4; // convert microns to cm.
fHis = 0;
fResponse = resp;
fNPixelsX=fSegmentation->Npx();
fResponse->GetNoiseParam(fNoise,fBaseline);
+ fResponse->SetDistanceOverVoltage(kmictocm*fSegmentation->Dy(),50.0);
- fMapA2 = new AliITSMapA2(fSegmentation);
+// fMapA2 = new AliITSMapA2(fSegmentation);
+ fMapA2 = 0;
fpList = new AliITSpList(fNPixelsZ+1,fNPixelsX+1);
AliITSsimulationSPDdubna::~AliITSsimulationSPDdubna(){
// destructor
- delete fMapA2;
+ if(fMapA2) delete fMapA2;
if (fHis) {
fHis->Delete();
fModule = module;
fEvent = event;
- fMapA2->ClearMap();
+// fMapA2->ClearMap();
fpList->ClearMap();
}
//_____________________________________________________________________
fModule = mod->GetIndex();
HitToSDigit(mod, module, mask, fpList);
WriteSDigits(fpList);
- fMapA2->ClearMap();
+// fMapA2->ClearMap();
fpList->ClearMap();
}
//______________________________________________________________________
for(iz=0; iz<niz; iz++)for(ix=0; ix<nix; ix++){
if(pList->GetSignalOnly(iz,ix)>0.0){
aliITS->AddSumDigit(*(pList->GetpListItem(iz,ix)));
+#ifdef DEBUG
+ cout <<"SDigits " << iz << "," << ix << "," <<
+ *(pList->GetpListItem(iz,ix)) << endl;
+#endif
} // end if pList
} // end for iz,ix
return;
fModule = module;
ChargeToSignal(pList); // Charge To Signal both adds noise and
- fMapA2->ClearMap();
+// fMapA2->ClearMap();
pList->ClearMap();
}
//______________________________________________________________________
fModule = mod->GetIndex(); //This calls the module for HitToSDigit
HitToSDigit(mod,fModule, dummy, fpList);
ChargeToSignal(fpList);
- fMapA2->ClearMap();
+// fMapA2->ClearMap();
fpList->ClearMap();
}
//______________________________________________________________________
// Return:
// none
- fMapA2->AddSignal(iz, ix, signal);
+// fMapA2->AddSignal(iz, ix, signal);
pList->AddSignal(iz,ix, trk, ht, fModule, signal);
}
//______________________________________________________________________
// Return:
// none
- fMapA2->AddSignal(iz, ix, sig);
+// fMapA2->AddSignal(iz, ix, noise);
pList->AddNoise(iz,ix, fModule, noise);
}
//______________________________________________________________________
}
//______________________________________________________________________
void AliITSsimulationSPDdubna::HitToSDigit(AliITSmodule *mod, Int_t module,
+ Int_t dummy,AliITSpList *pList){
+ // Does the charge distributions using Gaussian diffusion charge charing.
+ const Double_t kmictocm = 1.0e-4; // convert microns to cm.
+ TObjArray *hits = mod->GetHits();
+ Int_t nhits = hits->GetEntriesFast();
+ Int_t h,ix,iz;
+ Int_t idtrack;
+ Double_t x0=0.0,x1=0.0,y0=0.0,y1=0.0,z0=0.0,z1=0.0,de=0.0;
+ Double_t x,y,z,t,tp,st,dt=0.2,el,sig;
+ Double_t thick = kmictocm*GetSeg()->Dy();
+
+ if(nhits<=0) return;
+ for(h=0;h<nhits;h++){
+#ifdef DEBUG
+ cout << "Hits=" << h << "," << *(mod->GetHit(h)) << endl;
+#endif
+ if(mod->LineSegmentL(h,x0,x1,y0,y1,z0,z1,de,idtrack)){
+ st =TMath::Sqrt(x1*x1+y1*y1+z1*z1);
+ if(st>0.0) for(t=0;t<1.0;t+=dt){ // Integrate over t
+ tp = t+0.5*dt;
+ el = GetResp()->GeVToCharge((Float_t)(dt*de));
+#ifdef DEBUG
+ if(el<=0.0) cout << "el="<<el<<" dt="<<dt<<" de="<<de<<endl;
+#endif
+ x = x0+x1*tp;
+ y = y0+y1*tp;
+ z = z0+z1*tp;
+ GetSeg()->LocalToDet(x,z,ix,iz);
+ sig = GetResp()->SigmaDiffusion1D(thick + y);
+ SpreadCharge(x,y,z,ix,iz,el,sig,
+ idtrack,mod->GetHitTrackIndex(h),h,mod->GetIndex());
+ } else { // st == 0.0 deposit it at this point
+ el = GetResp()->GeVToCharge((Float_t)de);
+ x = x0;
+ y = y0;
+ z = z0;
+ GetSeg()->LocalToDet(x,z,ix,iz);
+ sig = GetResp()->SigmaDiffusion1D(thick + y);
+ SpreadCharge(x,y,z,ix,iz,el,sig,
+ idtrack,mod->GetHitTrackIndex(h),h,mod->GetIndex());
+ } // end if st>0.0
+ }} // Loop over all hits h
+}
+//______________________________________________________________________
+void AliITSsimulationSPDdubna::SpreadCharge(Double_t x0,Double_t y0,
+ Double_t z0,Int_t ix0,Int_t iz0,
+ Double_t el,Double_t sig,Int_t t,
+ Int_t ti,Int_t hi,Int_t mod){
+ // Spreads the charge over neighboring cells. Assume charge is distributed
+ // as charge(x,z) = (el/2*pi*sig*sig)*exp(-arg)
+ // arg=((x-x0)*(x-x0)/2*sig*sig)+((z-z0*z-z0)/2*sig*sig)
+ // Defined this way, the integral over all x and z is el.
+ const Int_t knx = 3,knz = 2;
+ const Double_t kRoot2 = 1.414213562; // Sqrt(2).
+ const Double_t kmictocm = 1.0e-4; // convert microns to cm.
+ Int_t ix,iz,ixs,ixe,izs,ize;
+ Float_t x,z;
+ Double_t x1,x2,z1,z2,s,sp;
+
+ if(sig<=0.0) {
+ fpList->AddSignal(iz0,ix0,t,hi,mod,el);
+ return;
+ } // end if
+ sp = 1.0/(sig*kRoot2);
+#ifdef DEBUG
+ cout << "sig=" << sig << " sp=" << sp << endl;
+#endif
+ ixs = TMath::Max(-knx+ix0,0);
+ ixe = TMath::Min(knx+ix0,GetSeg()->Npx()-1);
+ izs = TMath::Max(-knz+iz0,0);
+ ize = TMath::Min(knz+iz0,GetSeg()->Npz()-1);
+ for(ix=ixs;ix<=ixe;ix++) for(iz=izs;iz<=ize;iz++){
+ GetSeg()->DetToLocal(ix,iz,x,z); // pixel center
+ x1 = x;
+ z1 = z;
+ x2 = x1 + 0.5*kmictocm*GetSeg()->Dpx(ix); // Upper
+ x1 -= 0.5*kmictocm*GetSeg()->Dpx(ix); // Lower
+ z2 = z1 + 0.5*kmictocm*GetSeg()->Dpz(iz); // Upper
+ z1 -= 0.5*kmictocm*GetSeg()->Dpz(iz); // Lower
+ x1 -= x0; // Distance from where track traveled
+ x2 -= x0; // Distance from where track traveled
+ z1 -= z0; // Distance from where track traveled
+ z2 -= z0; // Distance from where track traveled
+ s = 0.25; // Correction based on definision of Erfc
+ s *= TMath::Erfc(sp*x1) - TMath::Erfc(sp*x2);
+#ifdef DEBUG
+ cout << "el=" << el << " ix0=" << ix0 << " ix=" << ix << " x0="<< x <<
+ " iz0=" << iz0 << " iz=" << iz << " z0=" << z <<
+ " sp*x1=" << sp*x1 <<" sp*x2=" << sp*x2 << " s=" << s;
+#endif
+ s *= TMath::Erfc(sp*z1) - TMath::Erfc(sp*z2);
+#ifdef DEBUG
+ cout << " sp*z1=" << sp*z1 <<" sp*z2=" << sp*z2 << " s=" << s << endl;
+#endif
+ fpList->AddSignal(iz,ix,t,hi,mod,s*el);
+ } // end for ix, iz
+}
+//______________________________________________________________________
+void AliITSsimulationSPDdubna::HitToSDigitOld(AliITSmodule *mod, Int_t module,
Int_t dummy, AliITSpList *pList){
// digitize module
const Float_t kEnToEl = 2.778e+8; // GeV->charge in electrons
module = mod->GetIndex();
Int_t nhits = fHits->GetEntriesFast();
if (!nhits) return;
-
+#ifdef DEBUG
cout<<"len,wid,thickness,nx,nz,pitchx,pitchz,difcoef ="<<spdLength<<","
<<spdWidth<<","<<spdThickness<<","<<fNPixelsX<<","<<fNPixelsZ<<","
<<xPitch<<","<<zPitch<<","<<difCoef<<endl;
+#endif
// Array of pointers to the label-signal list
Int_t indexRange[4] = {0,0,0,0};
Int_t lasttrack=-2;
Int_t hit, iZi, jz, jx;
Int_t idhit=-1; //!
+#ifdef DEBUG
cout<<"SPDdubna: module,nhits ="<<module<<","<<nhits<<endl;
+#endif
for (hit=0;hit<nhits;hit++) {
AliITShit *iHit = (AliITShit*) fHits->At(hit);
+#ifdef DEBUG
+ cout << "Hits=" << hit << "," << *iHit << endl;
+#endif
//Int_t layer = iHit->GetLayer();
Float_t yPix0 = -spdThickness/2;
// Check boundaries
if(zPix > spdLength/2) {
- //cout<<"!!! SPD: z outside ="<<zPix<<endl;
+#ifdef DEBUG
+ cout<<"!!! SPD: z outside ="<<zPix<<endl;
+#endif
zPix = spdLength/2 - 10;
}
if(zPix < 0 && zPix < -spdLength/2) {
- //cout<<"!!! SPD: z outside ="<<zPix<<endl;
+#ifdef DEBUG
+ cout<<"!!! SPD: z outside ="<<zPix<<endl;
+#endif
zPix = -spdLength/2 + 10;
}
if(xPix > spdWidth/2) {
- //cout<<"!!! SPD: x outside ="<<xPix<<endl;
+#ifdef DEBUG
+ cout<<"!!! SPD: x outside ="<<xPix<<endl;
+#endif
xPix = spdWidth/2 - 10;
}
if(xPix < 0 && xPix < -spdWidth/2) {
- //cout<<"!!! SPD: x outside ="<<xPix<<endl;
+#ifdef DEBUG
+ cout<<"!!! SPD: x outside ="<<xPix<<endl;
+#endif
xPix = -spdWidth/2 + 10;
}
Int_t trdown = 0;
Float_t dXCharge =0.5*(xProb1-xProb2)*dZCharge;
if(dXCharge > 1.) {
- Int_t index = kz-1;
if (first) {
- indexRange[0]=indexRange[1]=index;
+ indexRange[0]=indexRange[1]=kz-1;
indexRange[2]=indexRange[3]=kx-1;
first=kFALSE;
} // end if first
indexRange[1]=TMath::Max(indexRange[1],kz-1);
indexRange[2]=TMath::Min(indexRange[2],kx-1);
indexRange[3]=TMath::Max(indexRange[3],kx-1);
-
+/*
// build the list of digits for this module
- Double_t signal=fMapA2->GetSignal(index,kx-1);
+ Double_t signal = fMapA2->GetSignal(kz-1,kx-1);
signal+=dXCharge;
- fMapA2->SetHit(index,kx-1,(double)signal);
-
+ fMapA2->SetHit(kz-1,kx-1,(double)signal);
+*/
// The calling sequence for UpdateMapSignal was
// moved into the (dx > 1 e-) loop because it
// needs to call signal which is defined inside
// integer
UpdateMapSignal(kz-1,kx-1,
mod->GetHitTrackIndex(hit),
- hit,fModule,signal,pList);
+ hit,fModule,dXCharge,pList);
} // dXCharge > 1 e-
} // jx loop
} // dZCharge > 1 e-
void AliITSsimulationSPDdubna::ChargeToSignal(AliITSpList *pList){
// add noise and electronics, perform the zero suppression and add the
// digit to the list
-
- AliITS *aliITS = (AliITS*)gAlice->GetModule("ITS");
-
+ static AliITS *aliITS = (AliITS*)gAlice->GetModule("ITS");
Float_t threshold = (float)fResponse->MinVal();
-
- Int_t digits[3], tracks[3], hits[3], gi, j1;
- Float_t charges[3];
+ Int_t j;
+// Int_t digits[3], tracks[3], hits[3];
+// Float_t charges[3];
Float_t electronics;
- Float_t signal;
- Float_t phys;
+// Float_t phys;
Double_t sig;
-// Int_t module = 0;
+ const Int_t nmaxtrk=3;
+ static AliITSdigitSPD dig;
+
for(Int_t iz=0; iz<fNPixelsZ; iz++){
for(Int_t ix=0; ix<fNPixelsX; ix++){
electronics = fBaseline + fNoise*gRandom->Gaus();
- signal = (float)pList->GetSignalOnly(iz,ix);
- sig = Double_t (signal); // sig will be passed along to
- // UpdateMapNoise this is necessary so
- // that a signal without electronic
- // noise is passed along
- signal += electronics;
- gi =iz*fNPixelsX+ix; // global index
- if (signal > threshold) {
- digits[0]=iz;
- digits[1]=ix;
- digits[2]=1;
- for(j1=0;j1<3;j1++){
- if (pList->GetTrack(iz,ix,gi)) {
- //b.b. tracks[j1]=-3;
- tracks[j1] = (Int_t)(pList->GetTrack(iz,ix,j1)+j1);
- hits[j1] = (Int_t)(pList->GetHit(iz,ix,j1)+j1+6);
- }else {
- tracks[j1]=-2; //noise
- hits[j1] = -1;
+ sig = pList->GetSignalOnly(iz,ix);
+ UpdateMapNoise(iz,ix,fModule,sig,electronics,pList);
+#ifdef DEBUG
+// cout << sig << "+" << electronics <<">threshold=" << threshold
+// << endl;
+#endif
+ if (sig+electronics > threshold) {
+ dig.fCoord1 = iz;
+ dig.fCoord2 = ix;
+ dig.fSignal = 1;
+ dig.fSignalSPD = (Int_t) pList->GetSignal(iz,ix);
+ /*
+ digits[0] = iz;
+ digits[1] = ix;
+ digits[2] = 1; */
+ for(j=0;j<nmaxtrk;j++){
+// charges[j] = 0.0;
+ if (pList->GetTrack(iz,ix,0)) {
+ dig.fTracks[j] = pList->GetTrack(iz,ix,j);
+ dig.fHits[j] = pList->GetHit(iz,ix,j);
+ /*
+ tracks[j] = pList->GetTrack(iz,ix,j);
+ hits[j] = pList->GetHit(iz,ix,j);
+ */
+ }else { // Default values
+ dig.fTracks[j] = pList->GetTrack(iz,ix,j);
+ dig.fHits[j] = pList->GetHit(iz,ix,j);
+/* tracks[j] = -2; //noise
+ hits[j] = -1; */
} // end if pList
- charges[j1] = 0;
- } // end for j1
-
+ } // end for j
+// charges[0] = (Float_t) pList->GetSumSignal(iz,ix);
+/*
if(tracks[0] == tracks[1] && tracks[0] == tracks[2]) {
tracks[1] = -3;
hits[1] = -1;
tracks[2] = -3;
hits[2] = -1;
} // end if
-
- phys = 0;
-
- UpdateMapNoise(iz,ix,fModule,sig,electronics,pList);
- aliITS->AddSimDigit(0, phys, digits, tracks, hits, charges);
+*/
+// phys = 0.0;
+#ifdef DEBUG
+ cout << iz << "," << ix << "," <<
+ *(pList->GetpListItem(iz,ix)) << endl;
+#endif
+// aliITS->AddSimDigit(0, phys, digits, tracks, hits, charges);
+ aliITS->AddSimDigit(0,&dig);
} //
} //
} //
#ifndef ALIITSSIMULATIONSPDDUBNA_H
#define ALIITSSIMULATIONSPDDUBNA_H
+/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
+ * See cxx source for full Copyright notice */
+
#include "AliITSsimulation.h"
class AliITSMapA2;
class AliITSsegmentation;
class AliITSresponse;
+class AliITSsegmentationSPD;
+class AliITSresponseSPDdubna;
class AliITSmodule;
//-------------------------------------------------------------------
class AliITSsimulationSPDdubna : public AliITSsimulation {
+ public:
+ AliITSsimulationSPDdubna();
+ AliITSsimulationSPDdubna(AliITSsegmentation *seg, AliITSresponse *res);
+ virtual ~AliITSsimulationSPDdubna();
+ AliITSsimulationSPDdubna(const AliITSsimulationSPDdubna &source); // copy constructor
+ AliITSsimulationSPDdubna& operator=(const AliITSsimulationSPDdubna &source); // ass. operator
-public:
-
- AliITSsimulationSPDdubna();
- AliITSsimulationSPDdubna(AliITSsegmentation *seg, AliITSresponse *res);
- virtual ~AliITSsimulationSPDdubna();
- AliITSsimulationSPDdubna(const AliITSsimulationSPDdubna &source); // copy constructor
- AliITSsimulationSPDdubna& operator=(const AliITSsimulationSPDdubna &source); // ass. operator
-
- void InitSimulationModule(Int_t module, Int_t event);
- void SDigitiseModule(AliITSmodule *mod, Int_t mask, Int_t event);
- void WriteSDigits(AliITSpList *pList);
- void FinishSDigitiseModule();
- void SDigitsToDigits(Int_t module, AliITSpList *pList);
- void DigitiseModule(AliITSmodule *mod,Int_t module,Int_t dummy);
- void UpdateMapSignal(Int_t i, Int_t j, Int_t trk, Int_t ht,
- Int_t module, Double_t signal, AliITSpList *pList);
- void UpdateMapNoise(Int_t ix, Int_t iz, Int_t module,
- Double_t sig, Float_t noise, AliITSpList *pList);
- void HitToDigit(AliITSmodule *mod,Int_t module,Int_t dummy);
- void HitToSDigit(AliITSmodule *mod, Int_t module, Int_t dummy,
- AliITSpList *pList);
- void ChargeToSignal(AliITSpList *pList);
-
- void CreateHistograms();
- void ResetHistograms();
- TObjArray* GetHistArray() {
- // get hist array
- return fHis;
- }
-
-private:
-
- AliITSMapA2 *fMapA2; //! MapA2
- Float_t fNoise; //! Noise
- Float_t fBaseline; //! Baseline
- Int_t fNPixelsX; //! NPixelsX
- Int_t fNPixelsZ; //! NPixelsZ
-
- TObjArray *fHis; //! just in case for histogramming
-
- ClassDef(AliITSsimulationSPDdubna,1) // Simulation of SPD clusters
+ void InitSimulationModule(Int_t module, Int_t event);
+ void SDigitiseModule(AliITSmodule *mod, Int_t mask, Int_t event);
+ void WriteSDigits(AliITSpList *pList);
+ void FinishSDigitiseModule();
+ void SDigitsToDigits(Int_t module, AliITSpList *pList);
+ void DigitiseModule(AliITSmodule *mod,Int_t module,Int_t dummy);
+ void UpdateMapSignal(Int_t i, Int_t j, Int_t trk, Int_t ht,
+ Int_t module, Double_t signal, AliITSpList *pList);
+ void UpdateMapNoise(Int_t ix, Int_t iz, Int_t module,
+ Double_t sig, Float_t noise, AliITSpList *pList);
+ void HitToDigit(AliITSmodule *mod,Int_t module,Int_t dummy);
+ void HitToSDigit(AliITSmodule *mod, Int_t module, Int_t dummy,
+ AliITSpList *pList);
+ void HitToSDigitOld(AliITSmodule *mod, Int_t module, Int_t dummy,
+ AliITSpList *pList);
+ void ChargeToSignal(AliITSpList *pList);
+ void CreateHistograms();
+ void ResetHistograms();
+ TObjArray* GetHistArray() {// get hist array
+ return fHis;}
-};
+ private:
+ void SpreadCharge(Double_t x0,Double_t y0,Double_t z0,Int_t ix0,Int_t iz0,
+ Double_t el,Double_t sig,Int_t t,Int_t ti,Int_t hi,
+ Int_t mod);
+ AliITSsegmentationSPD* GetSeg(){ // Return pointer to Segmentation class
+ return (AliITSsegmentationSPD*)fSegmentation;}
+ AliITSresponseSPDdubna* GetResp(){ // Return pointer to Responce class
+ return (AliITSresponseSPDdubna*)fResponse;}
+ AliITSMapA2 *fMapA2; //! MapA2
+ Float_t fNoise; //! Noise
+ Float_t fBaseline; //! Baseline
+ Int_t fNPixelsX; //! NPixelsX
+ Int_t fNPixelsZ; //! NPixelsZ
+ TObjArray *fHis; //! just in case for histogramming
+
+ ClassDef(AliITSsimulationSPDdubna,1) // Simulation of SPD clusters
+};
#endif