#include "AliHMPIDParam.h" //StepManager()
#include "AliHMPIDHit.h" //Hits2SDigs(),StepManager()
#include "AliHMPIDDigit.h" //Digits2Raw(), Raw2SDigits()
+#include "AliHMPIDRawStream.h" //Digits2Raw(), Raw2SDigits()
#include "AliRawReader.h" //Raw2SDigits()
#include <TVirtualMC.h> //StepManager() for gMC
#include <TPDGCode.h> //StepHistory()
#include <AliMC.h> //StepManager()
#include <AliRun.h> //CreateMaterials()
#include <AliMagF.h> //CreateMaterials()
-#include <TGeoManager.h> //CreateGeometry()
+//#include <TGeoManager.h> //CreateGeometry()
+#include <AliCDBEntry.h> //CreateMaterials()
+#include <AliCDBManager.h> //CreateMaterials()
#include <TF1.h> //DefineOpticalProperties()
#include <TF2.h> //DefineOpticalProperties()
+#include <TGeoGlobalMagField.h>
#include <TLorentzVector.h> //IsLostByFresnel()
-#include <AliCDBManager.h> //CreateMaterials()
-#include <AliCDBEntry.h> //CreateMaterials()
ClassImp(AliHMPIDv1)
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// Associates the symbolic volume name with the corresponding volume path. Interface method from AliModule invoked from AliMC
// Arguments: none
// Returns: none
- for(Int_t i=AliHMPIDDigit::kMinCh;i<=AliHMPIDDigit::kMaxCh;i++)
+ for(Int_t i=AliHMPIDParam::kMinCh;i<=AliHMPIDParam::kMaxCh;i++)
gGeoManager->SetAlignableEntry(Form("/HMPID/Chamber%i",i),Form("ALIC_1/HMPID_%i",i));
}
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Int_t matId=0; //tmp material id number
Int_t unsens = 0, sens=1; //sensitive or unsensitive medium
- Int_t itgfld = gAlice->Field()->Integ(); //type of field intergration 0 no field -1 user in guswim 1 Runge Kutta 2 helix 3 const field along z
- Float_t maxfld = gAlice->Field()->Max(); //max field value
+ Int_t itgfld = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Integ(); //type of field intergration 0 no field -1 user in guswim 1 Runge Kutta 2 helix 3 const field along z
+ Float_t maxfld = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Max(); //max field value
Float_t tmaxfd = -10.0; //max deflection angle due to magnetic field in one step
Float_t deemax = - 0.2; //max fractional energy loss in one step
Float_t stemax = - 0.1; //mas step allowed [cm]
AliMaterial(++matId,"W" ,aW ,zW ,dW ,radW ,absW ); AliMedium(kW ,"W" , matId, unsens, itgfld, maxfld, tmaxfd, stemax, deemax, epsil, stmin);
AliMaterial(++matId,"Al" ,aAl ,zAl ,dAl ,radAl ,absAl ); AliMedium(kAl ,"Al" , matId, unsens, itgfld, maxfld, tmaxfd, stemax, deemax, epsil, stmin);
- DefineOpticalProperties();
+// DefineOpticalProperties(); // NOT TO BE CALLED BY USER CODE !!!
}//void AliHMPID::CreateMaterials()
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
void AliHMPIDv1::CreateGeometry()
TGeoVolume *pRich=gGeoManager->MakeBox("HMPID",gGeoManager->GetMedium("HMPID_CH4"),dx=(6*mm+1681*mm+6*mm)/2, //main HMPID volume
dy=(6*mm+1466*mm+6*mm)/2,
dz=(80*mm+40*mm)*2/2); //x,y taken from 2033P1 z from p84 TDR
- for(Int_t iCh=AliHMPIDDigit::kMinCh;iCh<=AliHMPIDDigit::kMaxCh;iCh++){//place 7 chambers
+ for(Int_t iCh=AliHMPIDParam::kMinCh;iCh<=AliHMPIDParam::kMaxCh;iCh++){//place 7 chambers
TGeoHMatrix *pMatrix=new TGeoHMatrix;
AliHMPIDParam::IdealPosition(iCh,pMatrix);
gGeoManager->GetVolume("ALIC")->AddNode(pRich,iCh,pMatrix);
const Int_t kNbins=30; //number of photon energy points
Float_t emin=5.5,emax=8.5; //Photon energy range,[eV]
Float_t aEckov [kNbins];
+ Double_t dEckov [kNbins];
Float_t aAbsRad[kNbins], aAbsWin[kNbins], aAbsGap[kNbins], aAbsMet[kNbins];
Float_t aIdxRad[kNbins], aIdxWin[kNbins], aIdxGap[kNbins], aIdxMet[kNbins], aIdxPc[kNbins];
Float_t aQeAll [kNbins], aQePc [kNbins];
+ Double_t dReflMet[kNbins], dQePc[kNbins];
- TF2 *pRaIF=new TF2("HidxRad","sqrt(1+0.554*(1239.84/x)^2/((1239.84/x)^2-5796)-0.0005*(y-20))" ,emin,emax,0,50); //DiMauro mail temp 0-50 degrees C
+ TF2 *pRaIF=new TF2("HidxRad","sqrt(1+0.554*(1239.84/x)^2/((1239.84/x)^2-5769)-0.0005*(y-20))" ,emin,emax,0,50); //DiMauro mail temp 0-50 degrees C
TF1 *pWiIF=new TF1("HidxWin","sqrt(1+46.411/(10.666*10.666-x*x)+228.71/(18.125*18.125-x*x))" ,emin,emax); //SiO2 idx TDR p.35
TF1 *pGaIF=new TF1("HidxGap","1+0.12489e-6/(2.62e-4 - x*x/1239.84/1239.84)" ,emin,emax); //?????? from where
for(Int_t i=0;i<kNbins;i++){
Float_t eV=emin+0.1*i; //Ckov energy in eV
aEckov [i] =1e-9*eV; //Ckov energy in GeV
+ dEckov [i] = aEckov[i];
aAbsRad[i]=pRaAF->Eval(eV); aIdxRad[i]=1.292;//pRaIF->Eval(eV,20); //Simulation for 20 degress C
aAbsWin[i]=pWiAF->Eval(eV); aIdxWin[i]=1.5787;//pWiIF->Eval(eV);
aAbsGap[i]=pGaAF->Eval(eV); aIdxGap[i]=1.0005;//pGaIF->Eval(eV);
aQeAll[i] =1; //QE for all other materials except for PC must be 1.
aAbsMet[i] =0.0001; aIdxMet[i]=0; //metal ref idx must be 0 in order to reflect photon
aIdxPc [i]=1; aQePc [i]=pQeF->Eval(eV); //PC ref idx must be 1 in order to apply photon to QE conversion
-
+ dQePc [i]=pQeF->Eval(eV);
+ dReflMet[i] = 0.; // no reflection on the surface of the pc (?)
}
gMC->SetCerenkov((*fIdtmed)[kC6F14] , kNbins, aEckov, aAbsRad , aQeAll , aIdxRad );
gMC->SetCerenkov((*fIdtmed)[kSiO2] , kNbins, aEckov, aAbsWin , aQeAll , aIdxWin );
gMC->SetCerenkov((*fIdtmed)[kW] , kNbins, aEckov, aAbsMet , aQeAll , aIdxMet ); //n=0 means reflect photons
gMC->SetCerenkov((*fIdtmed)[kCsI] , kNbins, aEckov, aAbsMet , aQePc , aIdxPc ); //n=1 means convert photons
gMC->SetCerenkov((*fIdtmed)[kAl] , kNbins, aEckov, aAbsMet , aQeAll , aIdxMet );
+
+ // Define a skin surface for the photocatode to enable 'detection' in G4
+ gMC->DefineOpSurface("surfPc", kGlisur /*kUnified*/,kDielectric_metal,kPolished, 0.);
+ gMC->SetMaterialProperty("surfPc", "EFFICIENCY", kNbins, dEckov, dQePc);
+ gMC->SetMaterialProperty("surfPc", "REFLECTIVITY", kNbins, dEckov, dReflMet);
+ gMC->SetSkinSurface("skinPc", "Rpc", "surfPc");
+
delete pRaAF;delete pWiAF;delete pGaAF; delete pRaIF; delete pWiIF; delete pGaIF; delete pQeF;
}
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
gMC->GetRandom()->RndmArray(2,ranf); //Sample direction
cthf=ranf[0]*2-1.0;
if(cthf<0) continue;
- sthf = TMath::Sqrt((1 - cthf) * (1 + cthf));
+ sthf = TMath::Sqrt((1. - cthf) * (1. + cthf));
phif = ranf[1] * 2 * TMath::Pi();
if(Double_t randomNumber=gMC->GetRandom()->Rndm()<=0.57)
}
treeD->GetEntry(0);
- AliHMPIDDigit::WriteRaw(DigLst());
+ //AliHMPIDDigit::WriteRaw(DigLst());
+ AliHMPIDRawStream *pRS=0x0;
+ pRS->WriteRaw(DigLst());
GetLoader()->UnloadDigits();
AliDebug(1,"Stop.");
//FORMULAE FROM HANDBOOK OF OPTICS, 33.23 OR
//W.R. HUNTER, J.O.S.A. 54 (1964),15 , J.O.S.A. 55(1965),1197
- Float_t sinin=TMath::Sqrt(1-pdoti*pdoti);
+ Float_t sinin=TMath::Sqrt((1.-pdoti)*(1.+pdoti));
Float_t tanin=sinin/pdoti;
Float_t c1=cn*cn-ck*ck-sinin*sinin;
// Interface methode ivoked from AliSimulation to create a list of sdigits from raw digits. Events loop is done in AliSimulation
// Arguments: pRR- raw reader
// Returns: kTRUE on success (currently ignored in AliSimulation::ConvertRaw2SDigits())
- AliHMPIDDigit sdi; //tmp sdigit, raw digit will be converted to it
+ //AliHMPIDDigit sdi; //tmp sdigit, raw digit will be converted to it
if(!GetLoader()->TreeS()) {MakeTree("S"); MakeBranch("S");}
TClonesArray *pSdiLst=SdiLst(); Int_t iSdiCnt=0; //tmp list of sdigits for all chambers
- pRR->Select("HMPID",0,13);//select all HMPID DDL files
- UInt_t w32=0;
- while(pRR->ReadNextInt(w32)){//raw records loop (in selected DDL files)
- UInt_t ddl=pRR->GetDDLID(); //returns 0,1,2 ... 13
- sdi.Raw(ddl,w32);
- new((*pSdiLst)[iSdiCnt++]) AliHMPIDDigit(sdi); //add this digit to the tmp list
- }//raw records loop
+ AliHMPIDRawStream stream(pRR);
+ while(stream.Next())
+ {
+ for(Int_t iPad=0;iPad<stream.GetNPads();iPad++) {
+ AliHMPIDDigit sdi(stream.GetPadArray()[iPad],stream.GetChargeArray()[iPad]);
+ new((*pSdiLst)[iSdiCnt++]) AliHMPIDDigit(sdi); //add this digit to the tmp list
+ }
+ }
+
GetLoader()->TreeS()->Fill(); GetLoader()->WriteSDigits("OVERWRITE");//write out sdigits
SdiReset();
return kTRUE;
}
TString flag="fanny combination";
- if(gMC->IsTrackAlive())
- if(gMC->IsTrackEntering()) flag="enters to";
- else if(gMC->IsTrackExiting()) flag="exits from";
- else if(gMC->IsTrackInside()) flag="inside";
- else
- if(gMC->IsTrackStop()) flag="stoped in";
+ if(gMC->IsTrackAlive()) {
+ if(gMC->IsTrackEntering()) flag="enters to";
+ else if(gMC->IsTrackExiting()) flag="exits from";
+ else if(gMC->IsTrackInside()) flag="inside";
+ } else {
+ if(gMC->IsTrackStop()) flag="stopped in";
+ }
Int_t vid=0,copy=0;
TString path=gMC->CurrentVolName(); path.Prepend("-");path.Prepend(gMC->CurrentVolOffName(1));//current volume and his mother are always there
Int_t pid= gMC->TrackPid(); //take PID
Float_t etot= gMC->Etot(); //total hpoton energy, [GeV]
Double_t x[3]; gMC->TrackPosition(x[0],x[1],x[2]); //take MARS position at entrance to PC
+ Float_t hitTime=(Float_t)gMC->TrackTime(); //hit formation time
Float_t xl,yl; AliHMPIDParam::Instance()->Mars2Lors(copy,x,xl,yl); //take LORS position
- new((*fHits)[fNhits++])AliHMPIDHit(copy,etot,pid,tid,xl,yl,x); //HIT for photon, position at P, etot will be set to Q
+ new((*fHits)[fNhits++])AliHMPIDHit(copy,etot,pid,tid,xl,yl,hitTime,x); //HIT for photon, position at P, etot will be set to Q
GenFee(etot); //generate feedback photons etot is modified in hit ctor to Q of hit
}//photon hit PC and DE >0
}//photon hit PC
eloss=0; //reset Eloss collector
gMC->TrackPosition(in[0],in[1],in[2]); //take position at the entrance
}else if(gMC->IsTrackExiting()||gMC->IsTrackStop()||gMC->IsTrackDisappeared()){ //exiting or disappeared
- eloss +=gMC->Edep(); //take into account last step Eloss
+ eloss +=gMC->Edep(); //take into account last step Eloss
gMC->CurrentVolOffID(1,copy); //take current chamber since geometry tree is HMPID-Rgap
Int_t tid= gMC->GetStack()->GetCurrentTrackNumber(); //take TID
Int_t pid= gMC->TrackPid(); //take PID
Double_t out[3]; gMC->TrackPosition(out[0],out[1],out[2]); //take MARS position at exit
+ Float_t hitTime= (Float_t)gMC->TrackTime(); //hit formation time
out[0]=0.5*(out[0]+in[0]); //>
out[1]=0.5*(out[1]+in[1]); //take hit position at the anod plane
out[2]=0.5*(out[2]+in[2]); //>
Float_t xl,yl;AliHMPIDParam::Instance()->Mars2Lors(copy,out,xl,yl); //take LORS position
- new((*fHits)[fNhits++])AliHMPIDHit(copy,eloss,pid,tid,xl,yl,out); //HIT for MIP, position near anod plane, eloss will be set to Q
+ new((*fHits)[fNhits++])AliHMPIDHit(copy,eloss,pid,tid,xl,yl,hitTime,out); //HIT for MIP, position near anod plane, eloss will be set to Q
GenFee(eloss); //generate feedback photons
}else //just going inside
eloss += gMC->Edep(); //collect this step eloss