-#include <iostream.h>
-#include <TRandom.h>
+/**************************************************************************
+ * 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. *
+ **************************************************************************/
+
+/*
+$Id$
+*/
+
+#include <Riostream.h>
#include <TH1.h>
-#include <TMath.h>
#include <TString.h>
-#include <TParticle.h>
-
-
-#include "AliRun.h"
#include "AliITS.h"
+#include "AliITSdigitSPD.h"
#include "AliITShit.h"
-#include "AliITSdigit.h"
#include "AliITSmodule.h"
-#include "AliITSMapA2.h"
+#include "AliITSpList.h"
+#include "AliITSCalibrationSPD.h"
+#include "AliITSsegmentationSPD.h"
#include "AliITSsimulationSPD.h"
-#include "AliITSsegmentation.h"
-#include "AliITSresponse.h"
-
-
+#include "AliLog.h"
+#include "AliRun.h"
+//#define DEBUG
ClassImp(AliITSsimulationSPD)
////////////////////////////////////////////////////////////////////////
-// Version: 0
-// Written by Boris Batyunya
-// December 20 1999
+// Version: 1
+// Modified by D. Elia, G.E. Bruno, H. Tydesjo
+// Fast diffusion code by Bjorn S. Nilsen
+// March-April 2006
+// October 2007: GetCalibrationObjects() removed
//
-// AliITSsimulationSPD is the simulation of SPDs
-//________________________________________________________________________
-
-
-AliITSsimulationSPD::AliITSsimulationSPD()
-{
- // constructor
- fResponse = 0;
- fSegmentation = 0;
- fMapA2=0;
- fHis = 0;
- fNoise=0.;
- fBaseline=0.;
- fNPixelsZ=0;
- fNPixelsX=0;
-}
-
-
-//_____________________________________________________________________________
-
-AliITSsimulationSPD::AliITSsimulationSPD(AliITSsegmentation *seg, AliITSresponse *resp) {
- // standard constructor
-
- fHis = 0;
- fResponse = resp;
- fSegmentation = seg;
-
- fResponse->GetNoiseParam(fNoise,fBaseline);
-
- fMapA2 = new AliITSMapA2(fSegmentation);
-
- //
-
- fNPixelsZ=fSegmentation->Npz();
- fNPixelsX=fSegmentation->Npx();
+// Version: 0
+// Written by Boris Batyunya
+// December 20 1999
+//
+//
+// AliITSsimulationSPD is to do the simulation of SPDs.
+//
+////////////////////////////////////////////////////////////////////////
+//______________________________________________________________________
+AliITSsimulationSPD::AliITSsimulationSPD():
+AliITSsimulation(),
+fHis(0),
+fSPDname(),
+fCoupling(){
+ // Default constructor.
+ // Inputs:
+ // none.
+ // Outputs:
+ // none.
+ // Return:
+ // A default constructed AliITSsimulationSPD class.
+
+ AliDebug(1,Form("Calling default constructor"));
+// Init();
}
-
-//_____________________________________________________________________________
-
-AliITSsimulationSPD::~AliITSsimulationSPD() {
- // destructor
-
- delete fMapA2;
-
- if (fHis) {
- fHis->Delete();
- delete fHis;
- }
+//______________________________________________________________________
+AliITSsimulationSPD::AliITSsimulationSPD(AliITSDetTypeSim *dettyp):
+AliITSsimulation(dettyp),
+fHis(0),
+fSPDname(),
+fCoupling(){
+ // standard constructor
+ // Inputs:
+ // AliITSsegmentation *seg A pointer to the segmentation class
+ // to be used for this simulation
+ // AliITSCalibration *resp A pointer to the responce class to
+ // be used for this simulation
+ // Outputs:
+ // none.
+ // Return:
+ // A default constructed AliITSsimulationSPD class.
+
+ AliDebug(1,Form("Calling standard constructor "));
+// AliITSCalibrationSPD* res = (AliITSCalibrationSPD*)GetCalibrationModel(fDetType->GetITSgeom()->GetStartSPD());
+// res->SetTemperature(0.0);
+// res->SetDistanceOverVoltage(0.0);
+ Init();
}
+//______________________________________________________________________
+void AliITSsimulationSPD::Init(){
+ // Initilization
+ // Inputs:
+ // none.
+ // Outputs:
+ // none.
+ // Return:
+ // none.
+ const Double_t kmictocm = 1.0e-4; // convert microns to cm.
+
+ SetModuleNumber(0);
+ SetEventNumber(0);
+ SetMap(new AliITSpList(GetNPixelsZ(),GetNPixelsX()));
+ AliITSCalibrationSPD* res = (AliITSCalibrationSPD*)GetCalibrationModel(fDetType->GetITSgeom()->GetStartSPD());
+ AliITSsegmentationSPD* seg = (AliITSsegmentationSPD*)GetSegmentationModel(0);
+ Double_t bias = res->GetBiasVoltage();
+// cout << "Bias Voltage --> " << bias << endl; // dom
+ res->SetDistanceOverVoltage(kmictocm*seg->Dy(),bias);
+// set kind of coupling ("old" or "new")
+ char opt[20];
+ res->GetCouplingOption(opt);
+ char *old = strstr(opt,"old");
+ if (old) {
+ fCoupling=2;
+ } else {
+ fCoupling=1;
+ } // end if
-
-//__________________________________________________________________________
-AliITSsimulationSPD::AliITSsimulationSPD(const AliITSsimulationSPD &source){
- // Copy Constructor
- if(&source == this) return;
- this->fMapA2 = source.fMapA2;
- this->fNoise = source.fNoise;
- this->fBaseline = source.fBaseline;
- this->fNPixelsX = source.fNPixelsX;
- this->fNPixelsZ = source.fNPixelsZ;
- this->fHis = source.fHis;
- return;
}
+//______________________________________________________________________
+AliITSsimulationSPD::~AliITSsimulationSPD(){
+ // destructor
+ // Inputs:
+ // none.
+ // Outputs:
+ // none.
+ // Return:
+ // none.
+
+ if (fHis) {
+ fHis->Delete();
+ delete fHis;
+ } // end if fHis
+}
+//______________________________________________________________________
+AliITSsimulationSPD::AliITSsimulationSPD(const
+ AliITSsimulationSPD
+ &s) : AliITSsimulation(s),
+fHis(s.fHis),
+fSPDname(s.fSPDname),
+fCoupling(s.fCoupling){
+ // Copy Constructor
+ // Inputs:
+ // AliITSsimulationSPD &s The original class for which
+ // this class is a copy of
+ // Outputs:
+ // none.
+ // Return:
-//_________________________________________________________________________
-AliITSsimulationSPD&
- AliITSsimulationSPD::operator=(const AliITSsimulationSPD &source) {
- // Assignment operator
- if(&source == this) return *this;
- this->fMapA2 = source.fMapA2;
- this->fNoise = source.fNoise;
- this->fBaseline = source.fBaseline;
- this->fNPixelsX = source.fNPixelsX;
- this->fNPixelsZ = source.fNPixelsZ;
- this->fHis = source.fHis;
- return *this;
- }
-//_____________________________________________________________________________
-
-void AliITSsimulationSPD::DigitiseModule(AliITSmodule *mod, Int_t module, Int_t dummy)
-{
- // digitize module
-
- const Float_t kEnToEl = 2.778e+8; // GeV->charge in electrons
- // for 3.6 eV/pair
- const Float_t kconv = 10000.; // cm -> microns
-
- Float_t spdLength = fSegmentation->Dz();
- Float_t spdWidth = fSegmentation->Dx();
-
- Float_t difCoef, dum;
- fResponse->DiffCoeff(difCoef,dum);
-
- Float_t zPix0 = 1e+6;
- Float_t xPix0 = 1e+6;
- Float_t yPrev = 1e+6;
-
- Float_t zPitch = fSegmentation->Dpz(0);
- Float_t xPitch = fSegmentation->Dpx(0);
-
- TObjArray *fHits = mod->GetHits();
- Int_t nhits = fHits->GetEntriesFast();
- if (!nhits) return;
-
- // Array of pointers to the label-signal list
-
- Int_t maxNDigits = fNPixelsX*fNPixelsZ + fNPixelsX ;;
- Float_t **pList = new Float_t* [maxNDigits];
- memset(pList,0,sizeof(Float_t*)*maxNDigits);
- Int_t indexRange[4] = {0,0,0,0};
-
- // Fill detector maps with GEANT hits
- // loop over hits in the module
- static Bool_t first;
- Int_t lasttrack=-2;
- Int_t hit, iZi, jz, jx;
- for (hit=0;hit<nhits;hit++) {
- AliITShit *iHit = (AliITShit*) fHits->At(hit);
- Int_t layer = iHit->GetLayer();
- Float_t yPix0 = -73;
- if(layer == 1) yPix0 = -77;
-
- // work with the idtrack=entry number in the TreeH
- Int_t idhit,idtrack;
- mod->GetHitTrackAndHitIndex(hit,idtrack,idhit);
- //Int_t idtrack=mod->GetHitTrackIndex(hit);
- // or store straight away the particle position in the array
- // of particles :
-
- //b.b. if(iHit->StatusEntering()) idhit=hit;
- Int_t itrack = iHit->GetTrack();
- Int_t dray = 0;
-
- if (lasttrack != itrack || hit==(nhits-1)) first = kTRUE;
-
- // Int_t parent = iHit->GetParticle()->GetFirstMother();
- Int_t partcode = iHit->GetParticle()->GetPdgCode();
-
-// partcode (pdgCode): 11 - e-, 13 - mu-, 22 - gamma, 111 - pi0, 211 - pi+
-// 310 - K0s, 321 - K+, 2112 - n, 2212 - p, 3122 - lambda
-
- Float_t px = iHit->GetPXL();
- Float_t py = iHit->GetPYL();
- Float_t pz = iHit->GetPZL();
- Float_t pmod = 1000*sqrt(px*px+py*py+pz*pz);
-
-
- if(partcode == 11 && pmod < 6) dray = 1; // delta ray is e-
- // at p < 6 MeV/c
-
-
- // Get hit z and x(r*phi) cordinates for each module (detector)
- // in local system.
-
- Float_t zPix = kconv*iHit->GetZL();
- Float_t xPix = kconv*iHit->GetXL();
- Float_t yPix = kconv*iHit->GetYL();
-
- // Get track status
- Int_t status = iHit->GetTrackStatus();
-
- // Check boundaries
- if(zPix > spdLength/2) zPix = spdLength/2 - 10;
- if(zPix < 0 && zPix < -spdLength/2) zPix = -spdLength/2 + 10;
- if(xPix > spdWidth/2) xPix = spdWidth/2 - 10;
- if(xPix < 0 && xPix < -spdWidth/2) zPix = -spdWidth/2 + 10;
-
- Int_t trdown = 0;
-
- // enter Si or after event in Si
- if (status == 66 ) {
- zPix0 = zPix;
- xPix0 = xPix;
- yPrev = yPix;
- }
-
- Float_t depEnergy = iHit->GetIonization();
- // skip if the input point to Si
-
- if(depEnergy <= 0.) continue;
-
- // if track returns to the opposite direction:
- if (yPix < yPrev) {
- trdown = 1;
- }
-
-
- // take into account the holes diffusion inside the Silicon
- // the straight line between the entrance and exit points in Si is
- // divided into the several steps; the diffusion is considered
- // for each end point of step and charge
- // is distributed between the pixels through the diffusion.
-
-
- // ---------- the diffusion in Z (beam) direction -------
-
- Float_t charge = depEnergy*kEnToEl; // charge in e-
- Float_t drPath = 0.;
- Float_t tang = 0.;
- Float_t sigmaDif = 0.;
- Float_t zdif = zPix - zPix0;
- Float_t xdif = xPix - xPix0;
- Float_t ydif = TMath::Abs(yPix - yPrev);
- Float_t ydif0 = TMath::Abs(yPrev - yPix0);
-
- if(ydif < 1) continue; // ydif is not zero
-
- Float_t projDif = sqrt(xdif*xdif + zdif*zdif);
- Int_t ndZ = (Int_t)TMath::Abs(zdif/zPitch) + 1;
- Int_t ndX = (Int_t)TMath::Abs(xdif/xPitch) + 1;
-
- // number of the steps along the track:
- Int_t nsteps = ndZ;
- if(ndX > ndZ) nsteps = ndX;
- if(nsteps < 6) nsteps = 6; // minimum number of the steps
-
- if (projDif < 5 ) {
- drPath = (yPix-yPix0)*1.e-4;
- drPath = TMath::Abs(drPath); // drift path in cm
- sigmaDif = difCoef*sqrt(drPath); // sigma diffusion in cm
- sigmaDif = sigmaDif*kconv; // sigma diffusion in microns
- nsteps = 1;
- }
-
- if(projDif > 5) tang = ydif/projDif;
- Float_t dCharge = charge/nsteps; // charge in e- for one step
- Float_t dZ = zdif/nsteps;
- Float_t dX = xdif/nsteps;
-
- for (iZi = 1;iZi <= nsteps;iZi++) {
- Float_t dZn = iZi*dZ;
- Float_t dXn = iZi*dX;
- Float_t zPixn = zPix0 + dZn;
- Float_t xPixn = xPix0 + dXn;
-
- if(projDif >= 5) {
- Float_t dProjn = sqrt(dZn*dZn+dXn*dXn);
- drPath = dProjn*tang*1.e-4; // drift path for iZi step in cm
- if(trdown == 0) {
- drPath = TMath::Abs(drPath) + ydif0*1.e-4;
- }
- if(trdown == 1) {
- drPath = ydif0*1.e-4 - TMath::Abs(drPath);
- drPath = TMath::Abs(drPath);
- }
- sigmaDif = difCoef*sqrt(drPath);
- sigmaDif = sigmaDif*kconv; // sigma diffusion in microns
- }
-
- zPixn = (zPixn + spdLength/2.);
- xPixn = (xPixn + spdWidth/2.);
- Int_t nZpix, nXpix;
- fSegmentation->GetPadIxz(xPixn,zPixn,nXpix,nZpix);
- zPitch = fSegmentation->Dpz(nZpix);
- fSegmentation->GetPadTxz(xPixn,zPixn);
- // set the window for the integration
- Int_t jzmin = 1;
- Int_t jzmax = 3;
- if(nZpix == 1) jzmin =2;
- if(nZpix == fNPixelsZ) jzmax = 2;
-
- Int_t jxmin = 1;
- Int_t jxmax = 3;
- if(nXpix == 1) jxmin =2;
- if(nXpix == fNPixelsX) jxmax = 2;
-
- Float_t zpix = nZpix;
- Float_t dZright = zPitch*(zpix - zPixn);
- Float_t dZleft = zPitch - dZright;
-
- Float_t xpix = nXpix;
- Float_t dXright = xPitch*(xpix - xPixn);
- Float_t dXleft = xPitch - dXright;
-
- Float_t dZprev = 0.;
- Float_t dZnext = 0.;
- Float_t dXprev = 0.;
- Float_t dXnext = 0.;
-
- for(jz=jzmin; jz <=jzmax; jz++) {
- if(jz == 1) {
- dZprev = -zPitch - dZleft;
- dZnext = -dZleft;
- }
- if(jz == 2) {
- dZprev = -dZleft;
- dZnext = dZright;
- }
- if(jz == 3) {
- dZprev = dZright;
- dZnext = dZright + zPitch;
- }
- // kz changes from 1 to the fNofPixels(270)
- Int_t kz = nZpix + jz -2;
-
- Float_t zArg1 = dZprev/sigmaDif;
- Float_t zArg2 = dZnext/sigmaDif;
- Float_t zProb1 = TMath::Erfc(zArg1);
- Float_t zProb2 = TMath::Erfc(zArg2);
- Float_t dZCharge =0.5*(zProb1-zProb2)*dCharge;
-
-
- // ----------- holes diffusion in X(r*phi) direction --------
-
- if(dZCharge > 1.) {
- for(jx=jxmin; jx <=jxmax; jx++) {
- if(jx == 1) {
- dXprev = -xPitch - dXleft;
- dXnext = -dXleft;
- }
- if(jx == 2) {
- dXprev = -dXleft;
- dXnext = dXright;
- }
- if(jx == 3) {
- dXprev = dXright;
- dXnext = dXright + xPitch;
- }
- Int_t kx = nXpix + jx -2;
-
- Float_t xArg1 = dXprev/sigmaDif;
- Float_t xArg2 = dXnext/sigmaDif;
- Float_t xProb1 = TMath::Erfc(xArg1);
- Float_t xProb2 = TMath::Erfc(xArg2);
- Float_t dXCharge =0.5*(xProb1-xProb2)*dZCharge;
-
- if(dXCharge > 1.) {
- Int_t index = kz-1;
-
- if (first) {
- indexRange[0]=indexRange[1]=index;
- indexRange[2]=indexRange[3]=kx-1;
- first=kFALSE;
- }
-
- indexRange[0]=TMath::Min(indexRange[0],kz-1);
- 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);
- signal+=dXCharge;
- fMapA2->SetHit(index,kx-1,(double)signal);
- } // dXCharge > 1 e-
- } // jx loop
- } // dZCharge > 1 e-
- } // jz loop
- } // iZi loop
-
- if (status == 65) { // the step is inside of Si
- zPix0 = zPix;
- xPix0 = xPix;
- }
- yPrev = yPix;
-
- if(dray == 0) {
- GetList(itrack,idhit,pList,indexRange);
- }
-
- lasttrack=itrack;
- } // hit loop inside the module
-
-
- // introduce the electronics effects and do zero-suppression
- ChargeToSignal(pList);
-
- // clean memory
-
- fMapA2->ClearMap();
-
-
-}
-
-//---------------------------------------------
-void AliITSsimulationSPD::GetList(Int_t label,Int_t idhit,Float_t **pList,Int_t *indexRange)
-{
- // lop over nonzero digits
-
-
- //set protection
- for(int k=0;k<4;k++) {
- if (indexRange[k] < 0) indexRange[k]=0;
+}
+//______________________________________________________________________
+AliITSsimulationSPD& AliITSsimulationSPD::operator=(const
+ AliITSsimulationSPD &s){
+ // Assignment operator
+ // Inputs:
+ // AliITSsimulationSPD &s The original class for which
+ // this class is a copy of
+ // Outputs:
+ // none.
+ // Return:
+
+ if(&s == this) return *this;
+ this->fHis = s.fHis;
+ fCoupling = s.fCoupling;
+ fSPDname = s.fSPDname;
+ return *this;
+}
+//______________________________________________________________________
+AliITSsimulation& AliITSsimulationSPD::operator=(const
+ AliITSsimulation &s){
+ // Assignment operator
+ // Inputs:
+ // AliITSsimulationSPD &s The original class for which
+ // this class is a copy of
+ // Outputs:
+ // none.
+ // Return:
+
+ if(&s == this) return *this;
+ Error("AliITSsimulationSPD","Not allowed to make a = with "
+ "AliITSsimulationSPD","Using default creater instead");
+
+ return *this;
+}
+//______________________________________________________________________
+void AliITSsimulationSPD::InitSimulationModule(Int_t module, Int_t event){
+ // This function creates maps to build the list of tracks for each
+ // summable digit. Inputs defined by base class.
+ // Inputs:
+ // Int_t module // Module number to be simulated
+ // Int_t event // Event number to be simulated
+ // Outputs:
+ // none
+ // Returns:
+ // none
+
+ AliDebug(1,Form("(module=%d,event=%d)",module,event));
+ SetModuleNumber(module);
+ SetEventNumber(event);
+ ClearMap();
+}
+//_____________________________________________________________________
+void AliITSsimulationSPD::SDigitiseModule(AliITSmodule *mod,Int_t,
+ Int_t event){
+ // This function begins the work of creating S-Digits. Inputs defined
+ // by base class.
+ // Inputs:
+ // AliITSmodule *mod // module
+ // Int_t // not used
+ // Int_t event // Event number
+ // Outputs:
+ // none
+ // Return:
+ // test // test returns kTRUE if the module contained hits
+ // // test returns kFALSE if it did not contain hits
+
+ AliDebug(1,Form("(mod=%p, ,event=%d)",mod,event));
+ if(!(mod->GetNhits())){
+ AliDebug(1,Form("In event %d module %d there are %d hits returning.",
+ event, mod->GetIndex(),mod->GetNhits()));
+ return;// if module has no hits don't create Sdigits
+ } // end if
+ SetModuleNumber(mod->GetIndex());
+ SetEventNumber(event);
+ // HitToSDigit(mod);
+ HitToSDigitFast(mod);
+ RemoveDeadPixels(mod);
+// cout << "After Remove in SDigitiseModule !!!!!" << endl; // dom
+// cout << "Module " << mod->GetIndex() << " Event " << event << endl; // dom
+ WriteSDigits();
+ ClearMap();
+}
+//______________________________________________________________________
+void AliITSsimulationSPD::WriteSDigits(){
+ // This function adds each S-Digit to pList
+ // Inputs:
+ // none.
+ // Outputs:
+ // none.
+ // Return:
+ // none
+ Int_t ix, nix, iz, niz;
+ static AliITS *aliITS = (AliITS*)gAlice->GetModule("ITS");
+
+ AliDebug(1,Form("Writing SDigits for module %d",GetModuleNumber()));
+// cout << "WriteSDigits for module " << GetModuleNumber() << endl; // dom
+ GetMap()->GetMaxMapIndex(niz, nix);
+ for(iz=0; iz<niz; iz++)for(ix=0; ix<nix; ix++){
+ if(GetMap()->GetSignalOnly(iz,ix)>0.0){
+// cout << " Signal gt 0 iz ix " << iz << ix << " Module " << GetModuleNumber() << endl; // dom
+ aliITS->AddSumDigit(*(GetMap()->GetpListItem(iz,ix)));
+ if(AliDebugLevel()>0) {
+ AliDebug(1,Form("%d, %d",iz,ix));
+ cout << *(GetMap()->GetpListItem(iz,ix)) << endl;
+ } // end if GetDebug
+ } // end if GetMap()->GetSignalOnly(iz,ix)>0.0
+ } // end for iz,ix
+ return;
+}
+//______________________________________________________________________
+void AliITSsimulationSPD::FinishSDigitiseModule(){
+ // This function calls SDigitsToDigits which creates Digits from SDigits
+ // Inputs:
+ // none
+ // Outputs:
+ // none
+ // Return
+ // none
+
+ AliDebug(1,"()");
+// cout << "FinishSDigitiseModule for module " << GetModuleNumber() << endl; // dom
+ FrompListToDigits(); // Charge To Signal both adds noise and
+ ClearMap();
+ return;
+}
+//______________________________________________________________________
+void AliITSsimulationSPD::DigitiseModule(AliITSmodule *mod,Int_t,
+ Int_t){
+ // This function creates Digits straight from the hits and then adds
+ // electronic noise to the digits before adding them to pList
+ // Each of the input variables is passed along to HitToSDigit
+ // Inputs:
+ // AliITSmodule *mod module
+ // Int_t Dummy.
+ // Int_t Dummy
+ // Outputs:
+ // none.
+ // Return:
+ // none.
+
+ AliDebug(1,Form("(mod=%p,,)",mod));
+ // HitToSDigit(mod);
+ HitToSDigitFast(mod);
+ RemoveDeadPixels(mod);
+// cout << "After Remove in DigitiseModule in module " << mod->GetIndex() << endl; // dom
+ FrompListToDigits();
+ ClearMap();
+}
+//______________________________________________________________________
+void AliITSsimulationSPD::HitToSDigit(AliITSmodule *mod){
+ // Does the charge distributions using Gaussian diffusion charge charing.
+ // Inputs:
+ // AliITSmodule *mod Pointer to this module
+ // Output:
+ // none.
+ // Return:
+ // none.
+ 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,i;
+ 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,sigx,sigz,fda;
+ AliITSsegmentationSPD* seg = (AliITSsegmentationSPD*)GetSegmentationModel(0);
+ AliITSCalibrationSPD* res = (AliITSCalibrationSPD*)GetCalibrationModel(fDetType->GetITSgeom()->GetStartSPD());
+ Double_t thick = 0.5*kmictocm*seg->Dy(); // Half Thickness
+ res->GetSigmaDiffusionAsymmetry(fda);
+
+ AliDebug(1,Form("(mod=%p) fCoupling=%d",mod,fCoupling));
+ if(nhits<=0) return;
+ for(h=0;h<nhits;h++){
+ if(AliDebugLevel()>0) {
+ AliDebug(1,Form("Hits, %d", h));
+ cout << *(mod->GetHit(h)) << endl;
+ } // end if GetDebug
+ if(!mod->LineSegmentL(h,x0,x1,y0,y1,z0,z1,de,idtrack)) continue;
+ st = TMath::Sqrt(x1*x1+y1*y1+z1*z1);
+ if(st>0.0){
+ st = (Double_t)((Int_t)(st/kmictocm)); // number of microns
+ if(st<=1.0) st = 1.0;
+ dt = 1.0/st;
+ for(t=0.0;t<1.0;t+=dt){ // Integrate over t
+ tp = t+0.5*dt;
+ x = x0+x1*tp;
+ y = y0+y1*tp;
+ z = z0+z1*tp;
+ if(!(seg->LocalToDet(x,z,ix,iz))) continue; // outside
+ el = res->GeVToCharge((Double_t)(dt*de));
+ if(GetDebug(1)){
+ if(el<=0.0) cout<<"el="<<el<<" dt="<<dt
+ <<" de="<<de<<endl;
+ } // end if GetDebug
+ sig = res->SigmaDiffusion1D(TMath::Abs(thick + y));
+ // SpreadCharge(x,z,ix,iz,el,sig,idtrack,h);
+ sigx=sig;
+ sigz=sig*fda;
+ SpreadChargeAsym(x,z,ix,iz,el,sigx,sigz,idtrack,h);
+ cout << "sigx, sigz, y "<< sigx << " " << sigz<< " " << TMath::Abs(thick + y) << endl;// ciccio
+ } // end for t
+ } else { // st == 0.0 deposit it at this point
+ x = x0;
+ y = y0;
+ z = z0;
+ if(!(seg->LocalToDet(x,z,ix,iz))) continue; // outside
+ el = res->GeVToCharge((Double_t)de);
+ sig = res->SigmaDiffusion1D(TMath::Abs(thick + y));
+ // SpreadCharge(x,z,ix,iz,el,sig,idtrack,h);
+ sigx=sig;
+ sigz=sig*fda;
+ SpreadChargeAsym(x,z,ix,iz,el,sigx,sigz,idtrack,h);
+ } // end if st>0.0
+
+ } // Loop over all hits h
+
+ // Coupling
+ switch (fCoupling) {
+ default:
+ break;
+ case 1: //case 3:
+ for(i=0;i<GetMap()->GetEntries();i++)
+ if(GetMap()->GetpListItem(i)==0) continue;
+ else{
+ GetMap()->GetMapIndex(GetMap()->GetpListItem(i)->GetIndex(),iz,ix);
+ SetCoupling(iz,ix,idtrack,h);
+ } // end for i
+ break;
+ case 2: // case 4:
+ for(i=0;i<GetMap()->GetEntries();i++)
+ if(GetMap()->GetpListItem(i)==0) continue;
+ else{
+ GetMap()->GetMapIndex(GetMap()->GetpListItem(i)->GetIndex(),iz,ix);
+ SetCouplingOld(iz,ix,idtrack,h);
+ } // end for i
+ break;
+ } // end switch
+ if(GetDebug(2))Info("HitToSDigit","Finished fCoupling=%d",fCoupling);
+}
+//______________________________________________________________________
+void AliITSsimulationSPD::HitToSDigitFast(AliITSmodule *mod){
+ // Does the charge distributions using Gaussian diffusion charge charing. // Inputs:
+ // AliITSmodule *mod Pointer to this module
+ // Output:
+ // none.
+ // Return:
+ // none.
+ const Double_t kmictocm = 1.0e-4; // convert microns to cm.
+ const Int_t kn10=10;
+ const Double_t kti[kn10]={7.443716945e-3,2.166976971e-1,3.397047841e-1,
+ 4.325316833e-1,4.869532643e-1,5.130467358e-1,
+ 5.674683167e-1,6.602952159e-1,7.833023029e-1,
+ 9.255628306e-1};
+ const Double_t kwi[kn10]={1.477621124e-1,1.346333597e-1,1.095431813e-1,
+ 7.472567455e-2,3.333567215e-2,3.333567215e-2,
+ 7.472567455e-2,1.095431813e-1,1.346333597e-1,
+ 1.477621124e-1};
+ TObjArray *hits = mod->GetHits();
+ Int_t nhits = hits->GetEntriesFast();
+ Int_t h,ix,iz,i;
+ 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,st,el,sig,sigx,sigz,fda;
+ AliITSsegmentationSPD* seg = (AliITSsegmentationSPD*)GetSegmentationModel(0);
+ AliITSCalibrationSPD* res = (AliITSCalibrationSPD*)GetCalibrationModel(fDetType->GetITSgeom()->GetStartSPD());
+ Double_t thick = 0.5*kmictocm*seg->Dy(); // Half thickness
+ res->GetSigmaDiffusionAsymmetry(fda);
+// cout << "Half Thickness " << thick << endl; // dom
+// cout << "Diffusion asymm " << fda << endl; // dom
+
+ AliDebug(1,Form("(mod=%p) fCoupling=%d",mod,fCoupling));
+ if(nhits<=0) return;
+ for(h=0;h<nhits;h++){
+ if(AliDebugLevel()>0) {
+ AliDebug(1,Form("Hits, %d", h));
+ cout << *(mod->GetHit(h)) << endl;
+ } // end if GetDebug
+ if(!mod->LineSegmentL(h,x0,x1,y0,y1,z0,z1,de,idtrack)) continue;
+ st = TMath::Sqrt(x1*x1+y1*y1+z1*z1);
+ if(st>0.0) for(i=0;i<kn10;i++){ // Integrate over t
+ t = kti[i];
+ x = x0+x1*t;
+ y = y0+y1*t;
+ z = z0+z1*t;
+ if(!(seg->LocalToDet(x,z,ix,iz))) continue; // outside
+ // el = res->GeVToCharge((Double_t)(dt*de));
+ // el = 1./kn10*res->GeVToCharge((Double_t)de);
+ el = kwi[i]*res->GeVToCharge((Double_t)de);
+ if(GetDebug(1)){
+ if(el<=0.0) cout<<"el="<<el<<" kwi["<<i<<"]="<<kwi[i]
+ <<" de="<<de<<endl;
+ } // end if GetDebug
+ sig = res->SigmaDiffusion1D(TMath::Abs(thick + y));
+ sigx=sig;
+ sigz=sig*fda;
+ //SpreadCharge(x,z,ix,iz,el,sig,idtrack,h);
+ SpreadChargeAsym(x,z,ix,iz,el,sigx,sigz,idtrack,h);
+// cout << "sigx sigz " << sigx << " " << sigz << endl; // dom
+ } // end for i // End Integrate over t
+ else { // st == 0.0 deposit it at this point
+ x = x0;
+ y = y0;
+ z = z0;
+ if(!(seg->LocalToDet(x,z,ix,iz))) continue; // outside
+ el = res->GeVToCharge((Double_t)de);
+ sig = res->SigmaDiffusion1D(TMath::Abs(thick + y));
+ //SpreadCharge(x,z,ix,iz,el,sig,idtrack,h);
+ sigx=sig;
+ sigz=sig*fda;
+ SpreadChargeAsym(x,z,ix,iz,el,sigx,sigz,idtrack,h);
+ } // end if st>0.0
+
+ } // Loop over all hits h
+
+ // Coupling
+ switch (fCoupling) {
+ default:
+ break;
+ case 1: // case 3:
+ for(i=0;i<GetMap()->GetEntries();i++)
+ if(GetMap()->GetpListItem(i)==0) continue;
+ else{
+ GetMap()->GetMapIndex(GetMap()->GetpListItem(i)->GetIndex(),iz,ix);
+ SetCoupling(iz,ix,idtrack,h);
+ } // end for i
+ break;
+ case 2: // case 4:
+ for(i=0;i<GetMap()->GetEntries();i++)
+ if(GetMap()->GetpListItem(i)==0) continue;
+ else{
+ GetMap()->GetMapIndex(GetMap()->GetpListItem(i)->GetIndex(),iz,ix);
+ SetCouplingOld(iz,ix,idtrack,h);
+ } // end for i
+ break;
+ } // end switch
+ if(GetDebug(2))Info("HitToSDigit","Finished fCoupling=%d",fCoupling);
+}
+//______________________________________________________________________
+void AliITSsimulationSPD::SpreadCharge(Double_t x0,Double_t z0,
+ Int_t ix0,Int_t iz0,
+ Double_t el,Double_t sig,Int_t t,
+ Int_t hi){
+ // 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.
+ // Inputs:
+ // Double_t x0 x position of point where charge is liberated
+ // Double_t y0 y position of point where charge is liberated
+ // Double_t z0 z position of point where charge is liberated
+ // Int_t ix0 row of cell corresponding to point x0
+ // Int_t iz0 columb of cell corresponding to point z0
+ // Double_t el number of electrons liberated in this step
+ // Double_t sig Sigma difusion for this step (y0 dependent)
+ // Int_t t track number
+ // Int_t ti hit track index number
+ // Int_t hi hit "hit" index number
+ // Outputs:
+ // none.
+ // Return:
+ // none.
+ 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;
+ AliITSsegmentationSPD* seg = (AliITSsegmentationSPD*)GetSegmentationModel(0);
+
+
+ if(GetDebug(4)) Info("SpreadCharge","(x0=%e,z0=%e,ix0=%d,iz0=%d,el=%e,"
+ "sig=%e,t=%d,i=%d)",x0,z0,ix0,iz0,el,sig,t,hi);
+ if(sig<=0.0) { // if sig<=0 No diffusion to simulate.
+ GetMap()->AddSignal(iz0,ix0,t,hi,GetModuleNumber(),el);
+ if(GetDebug(2)){
+ cout << "sig<=0.0=" << sig << endl;
+ } // end if GetDebug
+ return;
+ } // end if
+ sp = 1.0/(sig*kRoot2);
+ if(GetDebug(2)){
+ cout << "sig=" << sig << " sp=" << sp << endl;
+ } // end if GetDebug
+ ixs = TMath::Max(-knx+ix0,0);
+ ixe = TMath::Min(knx+ix0,seg->Npx()-1);
+ izs = TMath::Max(-knz+iz0,0);
+ ize = TMath::Min(knz+iz0,seg->Npz()-1);
+ for(ix=ixs;ix<=ixe;ix++) for(iz=izs;iz<=ize;iz++){
+ seg->DetToLocal(ix,iz,x,z); // pixel center
+ x1 = x;
+ z1 = z;
+ x2 = x1 + 0.5*kmictocm*seg->Dpx(ix); // Upper
+ x1 -= 0.5*kmictocm*seg->Dpx(ix); // Lower
+ z2 = z1 + 0.5*kmictocm*seg->Dpz(iz); // Upper
+ z1 -= 0.5*kmictocm*seg->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);
+ if(GetDebug(3)){
+ 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;
+ } // end if GetDebug
+ s *= TMath::Erfc(sp*z1) - TMath::Erfc(sp*z2);
+ if(GetDebug(3)){
+ cout<<" sp*z1="<<sp*z1<<" sp*z2="<<sp*z2<<" s="<<s<< endl;
+ } // end if GetDebug
+ GetMap()->AddSignal(iz,ix,t,hi,GetModuleNumber(),s*el);
+ } // end for ix, iz
+}
+//______________________________________________________________________
+void AliITSsimulationSPD::SpreadChargeAsym(Double_t x0,Double_t z0,
+ Int_t ix0,Int_t iz0,
+ Double_t el,Double_t sigx,Double_t sigz,
+ Int_t t,Int_t hi){
+ // Spreads the charge over neighboring cells. Assume charge is distributed
+ // as charge(x,z) = (el/2*pi*sigx*sigz)*exp(-arg)
+ // arg=((x-x0)*(x-x0)/2*sigx*sigx)+((z-z0*z-z0)/2*sigz*sigz)
+ // Defined this way, the integral over all x and z is el.
+ // Inputs:
+ // Double_t x0 x position of point where charge is liberated
+ // Double_t y0 y position of point where charge is liberated
+ // Double_t z0 z position of point where charge is liberated
+ // Int_t ix0 row of cell corresponding to point x0
+ // Int_t iz0 columb of cell corresponding to point z0
+ // Double_t el number of electrons liberated in this step
+ // Double_t sigx Sigma difusion along x for this step (y0 dependent)
+ // Double_t sigz Sigma difusion along z for this step (y0 dependent)
+ // Int_t t track number
+ // Int_t ti hit track index number
+ // Int_t hi hit "hit" index number
+ // Outputs:
+ // none.
+ // Return:
+ // none.
+ 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,spx,spz;
+ AliITSsegmentationSPD* seg = (AliITSsegmentationSPD*)GetSegmentationModel(0);
+
+
+ if(GetDebug(4)) Info("SpreadCharge","(x0=%e,z0=%e,ix0=%d,iz0=%d,el=%e,"
+ "sig=%e,t=%d,i=%d)",x0,z0,ix0,iz0,el,sigx,sigz,t,hi);
+ if(sigx<=0.0 || sigz<=0.0) { // if sig<=0 No diffusion to simulate.
+ GetMap()->AddSignal(iz0,ix0,t,hi,GetModuleNumber(),el);
+ if(GetDebug(2)){
+ cout << "sigx<=0.0=" << sigx << endl;
+ cout << "sigz<=0.0=" << sigz << endl;
+ } // end if GetDebug
+ return;
+ } // end if
+ spx = 1.0/(sigx*kRoot2); spz = 1.0/(sigz*kRoot2);
+ if(GetDebug(2)){
+ cout << "sigx=" << sigx << " spx=" << spx << endl;
+ cout << "sigz=" << sigz << " spz=" << spz << endl;
+ } // end if GetDebug
+ ixs = TMath::Max(-knx+ix0,0);
+ ixe = TMath::Min(knx+ix0,seg->Npx()-1);
+ izs = TMath::Max(-knz+iz0,0);
+ ize = TMath::Min(knz+iz0,seg->Npz()-1);
+ for(ix=ixs;ix<=ixe;ix++) for(iz=izs;iz<=ize;iz++){
+ seg->DetToLocal(ix,iz,x,z); // pixel center
+ x1 = x;
+ z1 = z;
+ x2 = x1 + 0.5*kmictocm*seg->Dpx(ix); // Upper
+ x1 -= 0.5*kmictocm*seg->Dpx(ix); // Lower
+ z2 = z1 + 0.5*kmictocm*seg->Dpz(iz); // Upper
+ z1 -= 0.5*kmictocm*seg->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(spx*x1) - TMath::Erfc(spx*x2);
+ if(GetDebug(3)){
+ cout <<"el="<<el<<" ix0="<<ix0<<" ix="<<ix<<" x0="<<x<<
+ " iz0="<<iz0<<" iz="<<iz<<" z0="<<z<<
+ " spx*x1="<<spx*x1<<" spx*x2="<<spx*x2<<" s="<<s;
+ } // end if GetDebug
+ s *= TMath::Erfc(spz*z1) - TMath::Erfc(spz*z2);
+ if(GetDebug(3)){
+ cout<<" spz*z1="<<spz*z1<<" spz*z2="<<spz*z2<<" s="<<s<< endl;
+ } // end if GetDebug
+ GetMap()->AddSignal(iz,ix,t,hi,GetModuleNumber(),s*el);
+ } // end for ix, iz
+}
+//______________________________________________________________________
+void AliITSsimulationSPD::RemoveDeadPixels(AliITSmodule *mod){
+ // Removes dead pixels on each module (ladder)
+ // Inputs:
+ // Module Index (0,239)
+ // Outputs:
+ // none.
+ // Return:
+ // none.
+
+ Int_t moduleNr = mod->GetIndex();
+ AliITSCalibrationSPD* calObj = (AliITSCalibrationSPD*) GetCalibrationModel(moduleNr);
+
+ Int_t nrDead = calObj->GetNrBad();
+// cout << "Module --> " << moduleNr << endl; // dom
+// cout << "nr of dead " << nrDead << endl; // dom
+ for (Int_t i=0; i<nrDead; i++) {
+ GetMap()->DeleteHit(calObj->GetBadColAt(i),calObj->GetBadRowAt(i));
+// cout << "dead index " << i << endl; // dom
+// cout << "col row --> " << calObj->GetDeadColAt(i) << " " << calObj->GetDeadRowAt(i) << endl; // dom
}
-
- for(Int_t iz=indexRange[0];iz<indexRange[1]+1;iz++){
- for(Int_t ix=indexRange[2];ix<indexRange[3]+1;ix++){
-
- Float_t signal=fMapA2->GetSignal(iz,ix);
-
- if (!signal) continue;
-
- Int_t globalIndex = iz*fNPixelsX+ix; // GlobalIndex starts from 0!
- if(!pList[globalIndex]){
-
- //
- // Create new list (9 elements - 3 signals and 3 tracks + 3 hits)
- //
-
- pList[globalIndex] = new Float_t [9];
-
- // set list to -3
-
- *pList[globalIndex] = -3.;
- *(pList[globalIndex]+1) = -3.;
- *(pList[globalIndex]+2) = -3.;
- *(pList[globalIndex]+3) = 0.;
- *(pList[globalIndex]+4) = 0.;
- *(pList[globalIndex]+5) = 0.;
- *(pList[globalIndex]+6) = -1.;
- *(pList[globalIndex]+7) = -1.;
- *(pList[globalIndex]+8) = -1.;
-
-
- *pList[globalIndex] = (float)label;
- *(pList[globalIndex]+3) = signal;
- *(pList[globalIndex]+6) = (float)idhit;
- }
- else{
-
- // check the signal magnitude
-
- Float_t highest = *(pList[globalIndex]+3);
- Float_t middle = *(pList[globalIndex]+4);
- Float_t lowest = *(pList[globalIndex]+5);
-
- signal -= (highest+middle+lowest);
-
- //
- // compare the new signal with already existing list
- //
-
- if(signal<lowest) continue; // neglect this track
-
- if (signal>highest){
- *(pList[globalIndex]+5) = middle;
- *(pList[globalIndex]+4) = highest;
- *(pList[globalIndex]+3) = signal;
-
- *(pList[globalIndex]+2) = *(pList[globalIndex]+1);
- *(pList[globalIndex]+1) = *pList[globalIndex];
- *pList[globalIndex] = label;
-
- *(pList[globalIndex]+8) = *(pList[globalIndex]+7);
- *(pList[globalIndex]+7) = *(pList[globalIndex]+6);
- *(pList[globalIndex]+6) = idhit;
- }
- else if (signal>middle){
- *(pList[globalIndex]+5) = middle;
- *(pList[globalIndex]+4) = signal;
-
- *(pList[globalIndex]+2) = *(pList[globalIndex]+1);
- *(pList[globalIndex]+1) = label;
-
- *(pList[globalIndex]+8) = *(pList[globalIndex]+7);
- *(pList[globalIndex]+7) = idhit;
- }
- else{
- *(pList[globalIndex]+5) = signal;
- *(pList[globalIndex]+2) = label;
- *(pList[globalIndex]+8) = idhit;
- }
+}
+//______________________________________________________________________
+void AliITSsimulationSPD::FrompListToDigits(){
+ // add noise and electronics, perform the zero suppression and add the
+ // digit to the list
+ // Inputs:
+ // none.
+ // Outputs:
+ // none.
+ // Return:
+ // none.
+ static AliITS *aliITS = (AliITS*)gAlice->GetModule("ITS");
+ Int_t j,ix,iz;
+ Double_t electronics;
+ Double_t sig;
+ const Int_t knmaxtrk=AliITSdigit::GetNTracks();
+ static AliITSdigitSPD dig;
+ AliITSCalibrationSPD* res = (AliITSCalibrationSPD*)GetCalibrationModel(fDetType->GetITSgeom()->GetStartSPD());
+ if(GetDebug(1)) Info("FrompListToDigits","()");
+ for(iz=0; iz<GetNPixelsZ(); iz++) for(ix=0; ix<GetNPixelsX(); ix++){
+// NEW (for the moment plugged by hand, in the future possibly read from Data Base)
+// here parametrize the efficiency of the pixel along the row for the test columns (1,9,17,25)
+// if(iz==1 || iz == 9 || iz == 17 || iz == 25) {
+// Double_t eff,p1=0.,p2=0.;
+// Double_t x=ix;
+// switch (iz) {
+// case 1: p1=0.63460;p2=0.42438E-01;break;
+// case 9: p1=0.41090;p2=0.75914E-01;break;
+// case 17: p1=0.31883;p2=0.91502E-01;break;
+// case 25: p1=0.48828;p2=0.57975E-01;break;
+// } // end switch
+// eff=1.-p1*exp(-p2*x);
+// if (gRandom->Rndm() >= eff) continue;
+// } // end if
+ // END parametrize the efficiency
+ //
+ electronics = res->ApplyBaselineAndNoise();
+ UpdateMapNoise(ix,iz,electronics);
+ //
+ // Apply Threshold and write Digits.
+ sig = GetMap()->GetSignalOnly(iz,ix);
+ FillHistograms(ix,iz,sig+electronics);
+ if(GetDebug(3)){
+ cout<<sig<<"+"<<electronics<<">threshold("<<ix<<","<<iz
+ <<")="<<GetThreshold() <<endl;
+ } // end if GetDebug
+ if (sig+electronics <= GetThreshold()) continue;
+ dig.SetCoord1(iz);
+ dig.SetCoord2(ix);
+ dig.SetSignal(1);
+
+// dig.SetSignalSPD((Int_t) GetMap()->GetSignal(iz,ix));
+ Double_t aSignal = GetMap()->GetSignal(iz,ix);
+ if (TMath::Abs(aSignal)>2147483647.0) {
+ //PH 2147483647 is the max. integer
+ //PH This apparently is a problem which needs investigation
+ AliWarning(Form("Too big or too small signal value %f",aSignal));
+ aSignal = TMath::Sign((Double_t)2147483647,aSignal);
}
- } // end of loop pixels in x
- } // end of loop over pixels in z
-
-
+ dig.SetSignalSPD((Int_t)aSignal);
+
+ for(j=0;j<knmaxtrk;j++){
+ if (j<GetMap()->GetNEntries()) {
+ dig.SetTrack(j,GetMap()->GetTrack(iz,ix,j));
+ dig.SetHit(j,GetMap()->GetHit(iz,ix,j));
+ }else { // Default values
+ dig.SetTrack(j,-3);
+ dig.SetHit(j,-1);
+ } // end if GetMap()
+ } // end for j
+ if(GetDebug(3)){
+ cout<<iz<<","<<ix<<","<<*(GetMap()->GetpListItem(iz,ix))<<endl;
+ } // end if GetDebug
+ aliITS->AddSimDigit(0,&dig);
+ } // for ix/iz
}
-
-
-//---------------------------------------------
-void AliITSsimulationSPD::ChargeToSignal(Float_t **pList)
-{
- // add noise and electronics, perform the zero suppression and add the
- // digit to the list
-
- AliITS *aliITS = (AliITS*)gAlice->GetModule("ITS");
-
-
- TRandom *random = new TRandom();
- Float_t threshold = (float)fResponse->MinVal();
-
- Int_t digits[3], tracks[3], hits[3],gi,j1;
- Float_t charges[3];
- Float_t electronics;
- Float_t signal,phys;
- for(Int_t iz=0;iz<fNPixelsZ;iz++){
- for(Int_t ix=0;ix<fNPixelsX;ix++){
- electronics = fBaseline + fNoise*random->Gaus();
- signal = (float)fMapA2->GetSignal(iz,ix);
- 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[gi]) {
- //b.b. tracks[j1]=-3;
- tracks[j1] = (Int_t)(*(pList[gi]+j1));
- hits[j1] = (Int_t)(*(pList[gi]+j1+6));
- }else {
- tracks[j1]=-2; //noise
- hits[j1] = -1;
- }
- charges[j1] = 0;
- }
-
- if(tracks[0] == tracks[1] && tracks[0] == tracks[2]) {
- tracks[1] = -3;
- hits[1] = -1;
- tracks[2] = -3;
- hits[2] = -1;
- }
- if(tracks[0] == tracks[1] && tracks[0] != tracks[2]) {
- tracks[1] = -3;
- hits[1] = -1;
- }
- if(tracks[0] == tracks[2] && tracks[0] != tracks[1]) {
- tracks[2] = -3;
- hits[2] = -1;
- }
- if(tracks[1] == tracks[2] && tracks[0] != tracks[1]) {
- tracks[2] = -3;
- hits[2] = -1;
- }
-
- phys=0;
- aliITS->AddSimDigit(0,phys,digits,tracks,hits,charges);
- }
- if(pList[gi]) delete [] pList[gi];
- }
- }
- delete [] pList;
-
+//______________________________________________________________________
+void AliITSsimulationSPD::CreateHistograms(){
+ // create 1D histograms for tests
+ // Inputs:
+ // none.
+ // Outputs:
+ // none.
+ // Return:
+ // none.
+
+ if(GetDebug(1)) Info("CreateHistograms","create histograms");
+
+ fHis = new TObjArray(GetNPixelsZ());
+ TString fSPDname("spd_");
+ for(Int_t i=0;i<GetNPixelsZ();i++) {
+ Char_t pixelz[4];
+ sprintf(pixelz,"%d",i);
+ fSPDname.Append(pixelz);
+ fHis->AddAt(new TH1F(fSPDname.Data(),"SPD maps",
+ GetNPixelsX(),0.,(Double_t)GetNPixelsX()),i);
+ } // end for i
}
-
-
-//____________________________________________
-
-void AliITSsimulationSPD::CreateHistograms()
-{
- // create 1D histograms for tests
-
- printf("SPD - create histograms\n");
-
- fHis=new TObjArray(fNPixelsZ);
- TString spdName("spd_");
- for (Int_t i=0;i<fNPixelsZ;i++) {
- Char_t pixelz[4];
- sprintf(pixelz,"%d",i+1);
- spdName.Append(pixelz);
- (*fHis)[i] = new TH1F(spdName.Data(),"SPD maps",
- fNPixelsX,0.,(Float_t) fNPixelsX);
- }
+//______________________________________________________________________
+void AliITSsimulationSPD::FillHistograms(Int_t ix,Int_t iz,Double_t v){
+ // Fill the histogram
+ // Inputs:
+ // none.
+ // Outputs:
+ // none.
+ // Return:
+ // none.
+
+ if(!GetHistArray()) return; // Only fill if setup.
+ if(GetDebug(2)) Info("FillHistograms","fill histograms");
+ GetHistogram(iz)->Fill(ix,v);
}
-
-//____________________________________________
-
-void AliITSsimulationSPD::ResetHistograms()
-{
- //
+//______________________________________________________________________
+void AliITSsimulationSPD::ResetHistograms(){
// Reset histograms for this detector
- //
-
- for ( int i=0;i<fNPixelsZ;i++ ) {
- if ((*fHis)[i]) ((TH1F*)(*fHis)[i])->Reset();
- }
-
+ // Inputs:
+ // none.
+ // Outputs:
+ // none.
+ // Return:
+ // none.
+
+ if(!GetHistArray()) return; // Only fill if setup.
+ if(GetDebug(2)) Info("FillHistograms","fill histograms");
+ for ( int i=0;i<GetNPixelsZ();i++ ) {
+ if (fHis->At(i)) ((TH1F*)fHis->At(i))->Reset();
+ } // end for i
}
-
-
-
-
-
-
-
-
+//______________________________________________________________________
+void AliITSsimulationSPD::SetCoupling(Int_t col, Int_t row, Int_t ntrack,
+ Int_t idhit) {
+ // Take into account the coupling between adiacent pixels.
+ // The parameters probcol and probrow are the probability of the
+ // signal in one pixel shared in the two adjacent pixels along
+ // the column and row direction, respectively.
+ // Note pList is goten via GetMap() and module is not need any more.
+ // Otherwise it is identical to that coded by Tiziano Virgili (BSN).
+ //Begin_Html
+ /*
+ <img src="picts/ITS/barimodel_3.gif">
+ </pre>
+ <br clear=left>
+ <font size=+2 color=red>
+ <a href="mailto:tiziano.virgili@cern.ch"></a>.
+ </font>
+ <pre>
+ */
+ //End_Html
+ // Inputs:
+ // Int_t col z cell index
+ // Int_t row x cell index
+ // Int_t ntrack track incex number
+ // Int_t idhit hit index number
+ // Outputs:
+ // none.
+ // Return:
+ // none.
+ Int_t j1,j2,flag=0;
+ Double_t pulse1,pulse2;
+ Double_t couplR=0.0,couplC=0.0;
+ Double_t xr=0.;
+
+ GetCouplings(couplC,couplR);
+ if(GetDebug(3)) Info("SetCoupling","(col=%d,row=%d,ntrack=%d,idhit=%d) "
+ "Calling SetCoupling couplC=%e couplR=%e",
+ col,row,ntrack,idhit,couplC,couplR);
+ j1 = col;
+ j2 = row;
+ pulse1 = GetMap()->GetSignalOnly(col,row);
+ pulse2 = pulse1;
+ for (Int_t isign=-1;isign<=1;isign+=2){// loop in col direction
+ do{
+ j1 += isign;
+ xr = gRandom->Rndm();
+ if ((j1<0) || (j1>GetNPixelsZ()-1) || (xr>couplC)){
+ j1 = col;
+ flag = 1;
+ }else{
+ UpdateMapSignal(row,j1,ntrack,idhit,pulse1);
+ // flag = 0;
+ flag = 1; // only first next!!
+ } // end if
+ } while(flag == 0);
+ // loop in row direction
+ do{
+ j2 += isign;
+ xr = gRandom->Rndm();
+ if ((j2<0) || (j2>GetNPixelsX()-1) || (xr>couplR)){
+ j2 = row;
+ flag = 1;
+ }else{
+ UpdateMapSignal(j2,col,ntrack,idhit,pulse2);
+ // flag = 0;
+ flag = 1; // only first next!!
+ } // end if
+ } while(flag == 0);
+ } // for isign
+}
+//______________________________________________________________________
+void AliITSsimulationSPD::SetCouplingOld(Int_t col, Int_t row,
+ Int_t ntrack,Int_t idhit) {
+ // Take into account the coupling between adiacent pixels.
+ // The parameters probcol and probrow are the fractions of the
+ // signal in one pixel shared in the two adjacent pixels along
+ // the column and row direction, respectively.
+ //Begin_Html
+ /*
+ <img src="picts/ITS/barimodel_3.gif">
+ </pre>
+ <br clear=left>
+ <font size=+2 color=red>
+ <a href="mailto:Rocco.Caliandro@ba.infn.it"></a>.
+ </font>
+ <pre>
+ */
+ //End_Html
+ // Inputs:
+ // Int_t col z cell index
+ // Int_t row x cell index
+ // Int_t ntrack track incex number
+ // Int_t idhit hit index number
+ // Int_t module module number
+ // Outputs:
+ // none.
+ // Return:
+ // none.
+ Int_t j1,j2,flag=0;
+ Double_t pulse1,pulse2;
+ Double_t couplR=0.0,couplC=0.0;
+
+ GetCouplings(couplC,couplR);
+
+ // Debugging ...
+// cout << "Threshold --> " << GetThreshold() << endl; // dom
+// cout << "Couplings --> " << couplC << " " << couplR << endl; // dom
+
+ if(GetDebug(3)) Info("SetCouplingOld","(col=%d,row=%d,ntrack=%d,idhit=%d) "
+ "Calling SetCoupling couplC=%e couplR=%e",
+ col,row,ntrack,idhit,couplC,couplR);
+ for (Int_t isign=-1;isign<=1;isign+=2){// loop in col direction
+ pulse1 = GetMap()->GetSignalOnly(col,row);
+ pulse2 = pulse1;
+ j1 = col;
+ j2 = row;
+ do{
+ j1 += isign;
+ pulse1 *= couplC;
+ if ((j1<0)||(j1>GetNPixelsZ()-1)||(pulse1<GetThreshold())){
+ pulse1 = GetMap()->GetSignalOnly(col,row);
+ j1 = col;
+ flag = 1;
+ }else{
+ UpdateMapSignal(row,j1,ntrack,idhit,pulse1);
+ // flag = 0;
+ flag = 1; // only first next !!
+ } // end if
+ } while(flag == 0);
+ // loop in row direction
+ do{
+ j2 += isign;
+ pulse2 *= couplR;
+ if((j2<0)||(j2>(GetNPixelsX()-1))||(pulse2<GetThreshold())){
+ pulse2 = GetMap()->GetSignalOnly(col,row);
+ j2 = row;
+ flag = 1;
+ }else{
+ UpdateMapSignal(j2,col,ntrack,idhit,pulse2);
+ // flag = 0;
+ flag = 1; // only first next!!
+ } // end if
+ } while(flag == 0);
+ } // for isign
+}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff