/**************************************************************************
- * 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. *
- **************************************************************************/
+* 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 <TGeoGlobalMagField.h>
#include <TH1.h>
#include <TString.h>
#include "AliITS.h"
#include "AliITSsimulationSPD.h"
#include "AliLog.h"
#include "AliRun.h"
-#include "AliCDBEntry.h"
-#include "AliCDBLocal.h"
+#include "AliMagF.h"
+#include "AliMathBase.h"
//#define DEBUG
+using std::endl;
+using std::cout;
ClassImp(AliITSsimulationSPD)
////////////////////////////////////////////////////////////////////////
// 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
//
// Version: 0
// Written by Boris Batyunya
AliITSsimulation(),
fHis(0),
fSPDname(),
-fCoupling(){
- // Default constructor.
- // Inputs:
- // none.
- // Outputs:
- // none.
- // Return:
- // A default constructed AliITSsimulationSPD class.
-
- AliDebug(1,Form("Calling default constructor"));
+fCoupling(),
+fLorentz(kFALSE),
+fTanLorAng(0),
+fStrobe(kTRUE),
+fStrobeLenght(4),
+fStrobePhase(-12.5e-9){
+ // Default constructor.
+ // Inputs:
+ // none.
+ // Outputs:
+ // none.
+ // Return:
+ // A default constructed AliITSsimulationSPD class.
+
+ AliDebug(1,Form("Calling default constructor"));
// Init();
}
//______________________________________________________________________
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();
+fCoupling(),
+fLorentz(kFALSE),
+fTanLorAng(0),
+fStrobe(kTRUE),
+fStrobeLenght(4),
+fStrobePhase(-12.5e-9){
+ // 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 "));
+ 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();
+ // 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()));
+ AliITSSimuParam* simpar = fDetType->GetSimuParam();
+ AliITSsegmentationSPD* seg = (AliITSsegmentationSPD*)GetSegmentationModel(0);
+ Double_t bias = simpar->GetSPDBiasVoltage();
// cout << "Bias Voltage --> " << bias << endl; // dom
- res->SetDistanceOverVoltage(kmictocm*seg->Dy(),bias);
+ simpar->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
-
- // Get the calibration objects for each module(ladder)
- GetCalibrationObjects(0); //RunNr 0 hard coded for now
-
+ char opt[20];
+ simpar->GetSPDCouplingOption(opt);
+ char *old = strstr(opt,"old");
+ if (old) {
+ fCoupling=2;
+ } else {
+ fCoupling=1;
+ } // end if
+ SetLorentzDrift(simpar->GetSPDLorentzDrift());
+ if (fLorentz) SetTanLorAngle(simpar->GetSPDLorentzHoleWeight());
+ //SetStrobeGeneration(kFALSE);
+ if (fStrobe) GenerateStrobePhase();
+}
+//______________________________________________________________________
+Bool_t AliITSsimulationSPD::SetTanLorAngle(Double_t WeightHole) {
+ // This function set the Tangent of the Lorentz angle.
+ // A weighted average is used for electrons and holes
+ // Input: Double_t WeightHole: wheight for hole: it should be in the range [0,1]
+ // output: Bool_t : kTRUE in case of success
+ //
+ if(!fDetType) {
+ AliError("AliITSsimulationSPD::SetTanLorAngle: AliITSDetTypeSim* fDetType not set ");
+ return kFALSE;}
+ if(WeightHole<0) {
+ WeightHole=0.;
+ AliWarning("AliITSsimulationSPD::SetTanLorAngle: You have asked for negative Hole weight");
+ AliWarning("AliITSsimulationSPD::SetTanLorAngle: I'm going to use only electrons");
+ }
+ if(WeightHole>1) {
+ WeightHole=1.;
+ AliWarning("AliITSsimulationSPD::SetTanLorAngle: You have asked for weight > 1");
+ AliWarning("AliITSsimulationSPD::SetTanLorAngle: I'm going to use only holes");
+ }
+ Double_t WeightEle=1.-WeightHole;
+ AliITSSimuParam* simpar = fDetType->GetSimuParam();
+ AliMagF* fld = (AliMagF*)TGeoGlobalMagField::Instance()->GetField();
+ if (!fld) AliFatal("The field is not initialized");
+ Double_t bz = fld->SolenoidField();
+ fTanLorAng = TMath::Tan(WeightHole*simpar->LorentzAngleHole(bz) +
+ WeightEle*simpar->LorentzAngleElectron(bz));
+ return kTRUE;
}
//______________________________________________________________________
AliITSsimulationSPD::~AliITSsimulationSPD(){
- // destructor
- // Inputs:
- // none.
- // Outputs:
- // none.
- // Return:
- // none.
-
- if (fHis) {
- fHis->Delete();
- delete fHis;
- } // end if fHis
+ // destructor
+ // Inputs:
+ // none.
+ // Outputs:
+ // none.
+ // Return:
+ // none.
+
+ if (fHis) {
+ fHis->Delete();
+ delete fHis;
+ } // end if fHis
}
//______________________________________________________________________
AliITSsimulationSPD::AliITSsimulationSPD(const
AliITSsimulationSPD
- &s) : AliITSsimulation(s){
- // Copy Constructor
- // Inputs:
- // AliITSsimulationSPD &s The original class for which
- // this class is a copy of
- // Outputs:
- // none.
- // Return:
-
- *this = s;
- return;
+ &s) : AliITSsimulation(s),
+fHis(s.fHis),
+fSPDname(s.fSPDname),
+fCoupling(s.fCoupling),
+fLorentz(s.fLorentz),
+fTanLorAng(s.fTanLorAng),
+fStrobe(s.fStrobe),
+fStrobeLenght(s.fStrobeLenght),
+fStrobePhase(s.fStrobePhase){
+ // Copy Constructor
+ // Inputs:
+ // AliITSsimulationSPD &s The original class for which
+ // this class is a copy of
+ // Outputs:
+ // none.
+ // Return:
+
}
//______________________________________________________________________
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;
+ 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;
+ fLorentz = s.fLorentz;
+ fTanLorAng = s.fTanLorAng;
+ fStrobe = s.fStrobe;
+ fStrobeLenght = s.fStrobeLenght;
+ fStrobePhase = s.fStrobePhase;
+ 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;
-}
+ AliITSsimulation &s){
+ // Assignment operator
+ // Inputs:
+ // AliITSsimulationSPD &s The original class for which
+ // this class is a copy of
+ // Outputs:
+ // none.
+ // Return:
-//______________________________________________________________________
-void AliITSsimulationSPD::GetCalibrationObjects(Int_t RunNr) {
- // Gets the calibration objects for each module (ladder)
- // Inputs:
- // RunNr: hard coded to RunNr=0 for now
- // Outputs:
- // none.
- // Return:
- // none.
-
- AliCDBManager* man = AliCDBManager::Instance();
-
- AliCDBEntry *entrySPD=0;
- entrySPD = man->Get("ITS/Calib/CalibSPD", RunNr);
-
- if(!entrySPD){
- AliWarning("Cannot find SPD calibration entry in default storage! Using local storage $ALICE_ROOT");
- AliCDBStorage *localStor =
- AliCDBManager::Instance()->GetStorage("local://$ALICE_ROOT");
- entrySPD = localStor->Get("ITS/Calib/CalibSPD", RunNr);
- if(!entrySPD){
- AliFatal("Cannot find SPD calibration entry!");
- return;
- }
- }
-
- TObjArray *respSPD = (TObjArray *)entrySPD->GetObject();
- if ((! respSPD)) {
- AliFatal("Cannot get data from SPD database entry!");
- return;
- }
- for (Int_t mod=0; mod<240; mod++) {
- fCalObj[mod] = (AliITSCalibrationSPD*) respSPD->At(mod);
- }
-}
+ 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();
+ // 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));
+ const Double_t kmictocm = 1.0e-4; // convert microns to cm.
+ AliITSSimuParam* simpar = fDetType->GetSimuParam();
+ AliITSsegmentationSPD* seg = (AliITSsegmentationSPD*)GetSegmentationModel(0);
+ SetModuleNumber(module);
+ SetEventNumber(event);
+ simpar->SetDistanceOverVoltage(kmictocm*seg->Dy(),simpar->GetSPDBiasVoltage(module));
+ 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.",
+ 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);
+ return;// if module has no hits don't create Sdigits
+ } // end if
+ SetModuleNumber(mod->GetIndex());
+ if (fStrobe) if(event != GetEventNumber()) GenerateStrobePhase();
+ SetEventNumber(event);
+ InitSimulationModule( GetModuleNumber() , event );
+ // HitToSDigit(mod);
+ HitToSDigitFast(mod);
+ if (fDetType->GetSimuParam()->GetSPDAddNoisyFlag()) AddNoisyPixels();
+ if (fDetType->GetSimuParam()->GetSPDRemoveDeadFlag()) RemoveDeadPixels();
+
// cout << "After Remove in SDigitiseModule !!!!!" << endl; // dom
// cout << "Module " << mod->GetIndex() << " Event " << event << endl; // dom
- WriteSDigits();
- ClearMap();
+ 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()));
+ // 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){
+ 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)));
+ 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;
+ } // 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,"()");
+ // 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;
+ 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);
+ Int_t event){
+ // 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.
+
+ if (fStrobe) if(event != GetEventNumber()) GenerateStrobePhase();
+ AliDebug(1,Form("(mod=%p,,0)",mod));
+ // HitToSDigit(mod);
+ InitSimulationModule( mod->GetIndex(), event );
+ HitToSDigitFast(mod);
+
+ if (fDetType->GetSimuParam()->GetSPDAddNoisyFlag()) AddNoisyPixels();
+ if (fDetType->GetSimuParam()->GetSPDRemoveDeadFlag()) RemoveDeadPixels();
// cout << "After Remove in DigitiseModule in module " << mod->GetIndex() << endl; // dom
- FrompListToDigits();
- ClearMap();
+ 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) {
+ // 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 Double_t kBunchLenght = 25e-9; // LHC clock
+ 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,ld=0.0;
+ Double_t x,y,z,t,tp,st,dt=0.2,el,sig,sigx,sigz,fda;
+ AliITSsegmentationSPD* seg = (AliITSsegmentationSPD*)GetSegmentationModel(0);
+ AliITSSimuParam *simpar = fDetType->GetSimuParam();
+ Double_t thick = 0.5*kmictocm*seg->Dy(); // Half Thickness
+ simpar->GetSPDSigmaDiffusionAsymmetry(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
- // 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
- } // Loop over all hits h
- if(GetDebug(2))Info("HitToSDigit","Finished fCoupling=%d",fCoupling);
+ } // end if GetDebug
+ // Check if the hit is inside readout window
+ if (fStrobe)
+ if ((mod->GetHit(h)->GetTOF() < fStrobePhase) ||
+ (mod->GetHit(h)->GetTOF() > (fStrobePhase+(Double_t)fStrobeLenght*kBunchLenght))) continue;
+ 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));
+ el = dt * de / simpar->GetGeVToCharge();
+ if(GetDebug(1)){
+ if(el<=0.0) cout<<"el="<<el<<" dt="<<dt
+ <<" de="<<de<<endl;
+ } // end if GetDebug
+ sig = simpar->SigmaDiffusion1D(TMath::Abs(thick + y));
+ sigx=sig;
+ sigz=sig*fda;
+ if (fLorentz) ld=(y+thick)*fTanLorAng;
+ SpreadChargeAsym(x,z,ix,iz,el,sigx,sigz,ld,idtrack,h);
+ } // 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);
+ el = de / simpar->GetGeVToCharge();
+ sig = simpar->SigmaDiffusion1D(TMath::Abs(thick + y));
+ sigx=sig;
+ sigz=sig*fda;
+ if (fLorentz) ld=(y+thick)*fTanLorAng;
+ SpreadChargeAsym(x,z,ix,iz,el,sigx,sigz,ld,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);
+ } // 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);
+ } // 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);
+ // 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};
+ const Double_t kBunchLenght = 25e-9; // LHC clock
+ 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,ld=0.0;
+ Double_t x,y,z,t,st,el,sig,sigx,sigz,fda;
+ AliITSsegmentationSPD* seg = (AliITSsegmentationSPD*)GetSegmentationModel(0);
+ AliITSSimuParam* simpar = fDetType->GetSimuParam();
+ Double_t thick = 0.5*kmictocm*seg->Dy(); // Half thickness
+ simpar->GetSPDSigmaDiffusionAsymmetry(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
- // 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
- } // Loop over all hits h
- if(GetDebug(2))Info("HitToSDigit","Finished fCoupling=%d",fCoupling);
+ 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
+ // Check if the hit is inside readout window
+ if (fStrobe)
+ if ((mod->GetHit(h)->GetTOF() < fStrobePhase) ||
+ (mod->GetHit(h)->GetTOF() > (fStrobePhase+(Double_t)fStrobeLenght*kBunchLenght))) continue;
+ 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 = kwi[i]*de/simpar->GetGeVToCharge();
+ if(GetDebug(1)){
+ if(el<=0.0) cout<<"el="<<el<<" kwi["<<i<<"]="<<kwi[i]
+ <<" de="<<de<<endl;
+ } // end if GetDebug
+ sig = simpar->SigmaDiffusion1D(TMath::Abs(thick + y));
+ sigx=sig;
+ sigz=sig*fda;
+ if (fLorentz) ld=(y+thick)*fTanLorAng;
+ SpreadChargeAsym(x,z,ix,iz,el,sigx,sigz,ld,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 = de / simpar->GetGeVToCharge();
+ sig = simpar->SigmaDiffusion1D(TMath::Abs(thick + y));
+ sigx=sig;
+ sigz=sig*fda;
+ if (fLorentz) ld=(y+thick)*fTanLorAng;
+ SpreadChargeAsym(x,z,ix,iz,el,sigx,sigz,ld,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);
+ } // 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);
+ } // 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
+ Int_t ix0,Int_t iz0,
+ Double_t el,Double_t sig,Double_t ld,
+ 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)
+ // if fLorentz=kTRUE, then x0=x0+ld (Lorentz drift taken into account)
+ // 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 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)
+ // Double_t ld lorentz drift in x 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+ld; // Distance from where track traveled (taking into account the Lorentz drift)
+ x2 -= x0+ld; // Distance from where track traveled (taking into account the Lorentz drift)
+ z1 -= z0; // Distance from where track traveled
+ z2 -= z0; // Distance from where track traveled
+ s = 0.25; // Correction based on definision of Erfc
+ s *= AliMathBase::ErfcFast(sp*x1) - AliMathBase::ErfcFast(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 *= AliMathBase::ErfcFast(sp*z1) - AliMathBase::ErfcFast(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
+ Int_t ix0,Int_t iz0,
+ Double_t el,Double_t sigx,Double_t sigz,
+ Double_t ld,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)
+ // if fLorentz=kTRUE, then x0=x0+ld (Lorentz drift taken into account)
+ // 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 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)
+ // Double_t ld lorentz drift in x for this stip (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("SpreadChargeAsym","(x0=%e,z0=%e,ix0=%d,iz0=%d,el=%e,"
+ "sigx=%e, sigz=%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+ld; // Distance from where track traveled (taking into account the Lorentz drift)
+ x2 -= x0+ld; // Distance from where track traveled (taking into account the Lorentz drift)
+ z1 -= z0; // Distance from where track traveled
+ z2 -= z0; // Distance from where track traveled
+ s = 0.25; // Correction based on definision of Erfc
+ s *= AliMathBase::ErfcFast(spx*x1) - AliMathBase::ErfcFast(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 *= AliMathBase::ErfcFast(spz*z1) - AliMathBase::ErfcFast(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();
- Int_t nrDead = fCalObj[moduleNr]->GetNrDead();
+void AliITSsimulationSPD::RemoveDeadPixels(){
+ // Removes dead pixels on each module (ladder)
+ // This should be called before going from sdigits to digits (FrompListToDigits)
+ Int_t mod = GetModuleNumber();
+ AliITSCalibrationSPD* calObj = (AliITSCalibrationSPD*) fDetType->GetCalibrationModel(mod);
+
+ Int_t nrDead = calObj->GetNrBad();
for (Int_t i=0; i<nrDead; i++) {
- GetMap()->DeleteHit(fCalObj[moduleNr]->GetDeadColAt(i),fCalObj[moduleNr]->GetDeadRowAt(i));
+ GetMap()->DeleteHit(calObj->GetBadColAt(i), calObj->GetBadRowAt(i));
+ }
+}
+//______________________________________________________________________
+void AliITSsimulationSPD::AddNoisyPixels() {
+ // Adds noisy pixels on each module (ladder)
+ // This should be called before going from sdigits to digits (FrompListToDigits)
+ Int_t mod = GetModuleNumber();
+ AliITSCalibrationSPD* calObj = (AliITSCalibrationSPD*) fDetType->GetSPDNoisyModel(mod);
+
+ Int_t nrNoisy = calObj->GetNrBad();
+ for (Int_t i=0; i<nrNoisy; i++) {
+ // adding 10 times the threshold will for sure make this pixel fire...
+ GetMap()->AddNoise(calObj->GetBadColAt(i), calObj->GetBadRowAt(i), mod, 10*GetThreshold());
}
}
//______________________________________________________________________
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=AliITSdigitSPD::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++){
+ // 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;
+ AliITSSimuParam *simpar = fDetType->GetSimuParam();
+ 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) {
// 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);
+// END parametrize the efficiency
+//
+ electronics = simpar->ApplySPDBaselineAndNoise();
+ 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;
+ if (GetMap()->GetSignal(iz,ix) <= 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);
- }
- 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
+ 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);
+ }
+ 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);
+ // simulate fo signal response for this pixel hit:
+ fDetType->ProcessSPDDigitForFastOr(fModule, dig.GetCoord1(), dig.GetCoord2());
+ } // for ix/iz
}
//______________________________________________________________________
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
+ // create 1D histograms for tests
+ // Inputs:
+ // none.
+ // Outputs:
+ // none.
+ // Return:
+ // none.
+
+ if(GetDebug(1)) Info("CreateHistograms","create histograms");
+
+ fHis = new TObjArray(GetNPixelsZ());
+ fSPDname="spd_";
+ for(Int_t i=0;i<GetNPixelsZ();i++) {
+ Char_t pixelz[4];
+ snprintf(pixelz,3,"%d",i);
+ fSPDname.Append(pixelz);
+ fHis->AddAt(new TH1F(fSPDname.Data(),"SPD maps",
+ GetNPixelsX(),0.,(Double_t)GetNPixelsX()),i);
+ } // end for i
}
//______________________________________________________________________
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);
+ // 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(){
- // Reset histograms for this detector
- // 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
+ // Reset histograms for this detector
+ // 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::SetCoupling(Int_t col, Int_t row) {
+ // 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
+ // 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) "
+ "Calling SetCoupling couplC=%e couplR=%e",
+ col,row,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{
+ UpdateMapNoise(row,j1,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{
+ UpdateMapNoise(j2,col,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 ...
+void AliITSsimulationSPD::SetCouplingOld(Int_t col, Int_t row) {
+ // 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 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
+// cout << "Couplings --> " << couplC << " " << couplR << endl; // dom
+
+ if(GetDebug(3)) Info("SetCouplingOld","(col=%d,row=%d) "
+ "Calling SetCoupling couplC=%e couplR=%e",
+ col,row,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{
+ UpdateMapNoise(row,j1,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{
+ UpdateMapNoise(j2,col,pulse2);
+ // flag = 0;
+ flag = 1; // only first next!!
+ } // end if
+ } while(flag == 0);
+ } // for isign
}
+//______________________________________________________________________
+void AliITSsimulationSPD::GenerateStrobePhase()
+{
+ // Generate randomly the strobe
+ // phase w.r.t to the LHC clock
+ // Done once per event
+ const Double_t kBunchLenght = 25e-9; // LHC clock
+ fStrobePhase = ((Double_t)gRandom->Integer(fStrobeLenght))*kBunchLenght-
+ (Double_t)fStrobeLenght*kBunchLenght+
+ kBunchLenght/2;
+}
+
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff