#include "AliHMPIDv1.h" //class header
-#include "AliHMPIDParam.h" //CreateMaterials()
+#include "AliHMPIDParam.h" //StepManager()
#include "AliHMPIDHit.h" //Hits2SDigs(),StepManager()
-#include "AliHMPIDDigit.h" //CreateMaterials()
+#include "AliHMPIDDigit.h" //Digits2Raw(), Raw2SDigits()
+#include "AliHMPIDRawStream.h" //Digits2Raw(), Raw2SDigits()
#include "AliRawReader.h" //Raw2SDigits()
-#include <TParticle.h> //Hits2SDigits()
-#include <TRandom.h>
#include <TVirtualMC.h> //StepManager() for gMC
#include <TPDGCode.h> //StepHistory()
#include <AliStack.h> //StepManager(),Hits2SDigits()
#include <AliLoader.h> //Hits2SDigits()
#include <AliRunLoader.h> //Hits2SDigits()
-#include <AliConst.h>
-#include <AliPDG.h>
#include <AliMC.h> //StepManager()
-#include <AliRawDataHeader.h> //Digits2Raw()
-#include <AliDAQ.h> //Digits2Raw()
#include <AliRun.h> //CreateMaterials()
#include <AliMagF.h> //CreateMaterials()
-#include <TGeoManager.h> //CreateGeometry()
-#include <TMultiGraph.h> //Optics()
-#include <TGraph.h> //Optics()
-#include <TLegend.h> //Optics()
-#include <TCanvas.h> //Optics()
-#include <TF2.h> //CreateMaterials()
+//#include <TGeoManager.h> //CreateGeometry()
+#include <TF1.h> //DefineOpticalProperties()
+#include <TF2.h> //DefineOpticalProperties()
+#include <TLorentzVector.h> //IsLostByFresnel()
#include <AliCDBManager.h> //CreateMaterials()
#include <AliCDBEntry.h> //CreateMaterials()
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
void AliHMPIDv1::AddAlignableVolumes()const
{
-// Associates the symbolic volume name with the corresponding volume path. Interface methode from AliModule ivoked from AliMC
+// 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=0;i<7;i++)
+ for(Int_t i=AliHMPIDParam::kMinCh;i<=AliHMPIDParam::kMaxCh;i++)
gGeoManager->SetAlignableEntry(Form("/HMPID/Chamber%i",i),Form("ALIC_1/HMPID_%i",i));
}
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// Arguments: none
// Returns: none
AliDebug(1,"Start v1 HMPID.");
-
- Float_t emin=5.5,emax=8.5; //Photon energy range,[eV]
-
- TF2 *pRaIF=new TF2("RidxRad","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
- TF1 *pWiIF=new TF1("RidxWin","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("RidxGap","1+0.12489e-6/(2.62e-4 - x*x/1239.84/1239.84)" ,emin,emax); //?????? from where
-
- TF1 *pRaAF=new TF1("RabsRad","(x<7.8)*(gaus+gaus(3))+(x>=7.8)*0.0001" ,emin,emax); //fit from DiMauro data 28.10.03
- pRaAF->SetParameters(3.20491e16,-0.00917890,0.742402,3035.37,4.81171,0.626309);
- TF1 *pWiAF=new TF1("RabsWin","(x<8.2)*(818.8638-301.0436*x+36.89642*x*x-1.507555*x*x*x)+(x>=8.2)*0.0001" ,emin,emax); //fit from DiMauro data 28.10.03
- TF1 *pGaAF=new TF1("RabsGap","(x<7.75)*6512.399+(x>=7.75)*3.90743e-2/(-1.655279e-1+6.307392e-2*x-8.011441e-3*x*x+3.392126e-4*x*x*x)",emin,emax); //????? from where
-
- TF1 *pQeF =new TF1("Qe" ,"0+(x>6.07267)*0.344811*(1-exp(-1.29730*(x-6.07267)))" ,emin,emax); //fit from DiMauro data 28.10.03
-
- const Int_t kNbins=30; //number of photon energy points
- Float_t aEckov [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];
-
- 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
- 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
-
- }
-
+
//data from PDG booklet 2002 density [gr/cm^3] rad len [cm] abs len [cm]
Float_t aAir[4]={12,14,16,36} , zAir[4]={6,7,8,18} , wAir[4]={0.000124,0.755267,0.231781,0.012827} , dAir=0.00120479; Int_t nAir=4;//mixture 0.9999999
Float_t aC6F14[2]={ 12.01 , 18.99} , zC6F14[2]={ 6 , 9} , wC6F14[2]={6 , 14} , dC6F14=1.68 ; Int_t nC6F14=-2;
AliMaterial(++matId,"Cu" ,aCu ,zCu ,dCu ,radCu ,absCu ); AliMedium(kCu ,"Cu" , matId, unsens, itgfld, maxfld, tmaxfd, stemax, deemax, epsil, stmin);
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);
-
- gMC->SetCerenkov((*fIdtmed)[kC6F14] , kNbins, aEckov, aAbsRad , aQeAll , aIdxRad );
- gMC->SetCerenkov((*fIdtmed)[kSiO2] , kNbins, aEckov, aAbsWin , aQeAll , aIdxWin );
- gMC->SetCerenkov((*fIdtmed)[kCH4] , kNbins, aEckov, aAbsGap , aQeAll , aIdxGap );
- gMC->SetCerenkov((*fIdtmed)[kCu] , kNbins, aEckov, aAbsMet , aQeAll , aIdxMet );
- 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 );
-
- delete pRaAF;delete pWiAF;delete pGaAF; delete pRaIF; delete pWiIF; delete pGaIF; delete pQeF;
- AliDebug(1,"Stop v1 HMPID.");
-
- TString ttl=GetTitle(); if(!ttl.Contains("ShowOptics")) return; //user didn't aks to plot optical curves
-
- const Double_t kWidth=0.25,kHeight=0.2;
- const Int_t kRadM=24 , kRadC=kRed;
- const Int_t kWinM=26 , kWinC=kBlue;
- const Int_t kGapM=25 , kGapC=kGreen;
- const Int_t kPcM = 2 , kPcC =kMagenta;
-
- Float_t aTraRad[kNbins],aTraWin[kNbins],aTraGap[kNbins],aTraTot[kNbins];
- for(Int_t i=0;i<kNbins;i++){//calculate probability for photon to survive during transversing a volume of material with absorption length
- aTraRad[i]=TMath::Exp(-AliHMPIDDigit::SizeRad()/ (aAbsRad[i]+0.0001)); //radiator
- aTraWin[i]=TMath::Exp(-AliHMPIDDigit::SizeWin()/ (aAbsWin[i] +0.0001)); //window
- aTraGap[i]=TMath::Exp(-AliHMPIDDigit::SizeGap()/ (aAbsGap[i] +0.0001)); //from window to PC
- aTraTot[i]=aTraRad[i]*aTraWin[i]*aTraGap[i]*aQePc[i];
- }
-
- TGraph *pRaAG=new TGraph(kNbins,aEckov,aAbsRad);pRaAG->SetMarkerStyle(kRadM);pRaAG->SetMarkerColor(kRadC);
- TGraph *pRaIG=new TGraph(kNbins,aEckov,aIdxRad);pRaIG->SetMarkerStyle(kRadM);pRaIG->SetMarkerColor(kRadC);
- TGraph *pRaTG=new TGraph(kNbins,aEckov,aTraRad);pRaTG->SetMarkerStyle(kRadM);pRaTG->SetMarkerColor(kRadC);
-
- TGraph *pWiAG=new TGraph(kNbins,aEckov,aAbsWin);pWiAG->SetMarkerStyle(kWinM);pWiAG->SetMarkerColor(kWinC);
- TGraph *pWiIG=new TGraph(kNbins,aEckov,aIdxWin);pWiIG->SetMarkerStyle(kWinM);pWiIG->SetMarkerColor(kWinC);
- TGraph *pWiTG=new TGraph(kNbins,aEckov,aTraWin);pWiTG->SetMarkerStyle(kWinM);pWiTG->SetMarkerColor(kWinC);
-
- TGraph *pGaAG=new TGraph(kNbins,aEckov,aAbsGap);pGaAG->SetMarkerStyle(kGapM);pGaAG->SetMarkerColor(kGapC);
- TGraph *pGaIG=new TGraph(kNbins,aEckov,aIdxGap);pGaIG->SetMarkerStyle(kGapM);pGaIG->SetMarkerColor(kGapC);
- TGraph *pGaTG=new TGraph(kNbins,aEckov,aTraGap);pGaTG->SetMarkerStyle(kGapM);pGaTG->SetMarkerColor(kGapC);
-
- TGraph *pQeG =new TGraph(kNbins,aEckov,aQePc); pQeG ->SetMarkerStyle(kPcM );pQeG->SetMarkerColor(kPcC);
- TGraph *pToG =new TGraph(kNbins,aEckov,aTraTot);pToG ->SetMarkerStyle(30) ;pToG->SetMarkerColor(kYellow);
-
- TMultiGraph *pIdxMG=new TMultiGraph("idx","Ref index;E_{#check{C}} [GeV]");
- TMultiGraph *pAbsMG=new TMultiGraph("abs","Absorption [cm];E_{#check{C}} [GeV]");
- TMultiGraph *pTraMG=new TMultiGraph("tra","Transmission;E_{#check{C}} [GeV]"); TLegend *pTraLe=new TLegend(0.2,0.4,0.2+kWidth,0.4+kHeight);
- pAbsMG->Add(pRaAG); pIdxMG->Add(pRaIG); pTraMG->Add(pRaTG); pTraLe->AddEntry(pRaTG, "Rad", "p");
- pAbsMG->Add(pWiAG); pIdxMG->Add(pWiIG); pTraMG->Add(pWiTG); pTraLe->AddEntry(pWiTG, "Win", "p");
- pAbsMG->Add(pGaAG); pIdxMG->Add(pGaIG); pTraMG->Add(pGaTG); pTraLe->AddEntry(pGaTG, "Gap", "p");
- pTraMG->Add(pToG); pTraLe->AddEntry(pToG, "Tot", "p");
- pTraMG->Add(pQeG); pTraLe->AddEntry(pQeG, "QE" , "p");
- TCanvas *pC=new TCanvas("c1","HMPID optics to check",1100,900); pC->Divide(2,2);
- pC->cd(1); pIdxMG->Draw("AP");
- pC->cd(2); gPad->SetLogy(); pAbsMG->Draw("AP");
- pC->cd(3); pTraLe->Draw();
- pC->cd(4); pTraMG->Draw("AP");
+
+// 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
- const Double_t kAngHor=19.5; // horizontal angle between chambers 19.5 grad
- const Double_t kAngVer=20; // vertical angle between chambers 20 grad
- const Double_t kAngCom=30; // common HMPID rotation with respect to x axis 30 grad
- const Double_t trans[3]={490,0,0}; //center of the chamber is on window-gap surface
- for(Int_t iCh=0;iCh<7;iCh++){//place 7 chambers
+ for(Int_t iCh=AliHMPIDParam::kMinCh;iCh<=AliHMPIDParam::kMaxCh;iCh++){//place 7 chambers
TGeoHMatrix *pMatrix=new TGeoHMatrix;
- pMatrix->RotateY(90); //rotate around y since initial position is in XY plane -> now in YZ plane
- pMatrix->SetTranslation(trans); //now plane in YZ is shifted along x
- switch(iCh){
- case 0: pMatrix->RotateY(kAngHor); pMatrix->RotateZ(-kAngVer); break; //right and down
- case 1: pMatrix->RotateZ(-kAngVer); break; //down
- case 2: pMatrix->RotateY(kAngHor); break; //right
- case 3: break; //no rotation
- case 4: pMatrix->RotateY(-kAngHor); break; //left
- case 5: pMatrix->RotateZ(kAngVer); break; //up
- case 6: pMatrix->RotateY(-kAngHor); pMatrix->RotateZ(kAngVer); break; //left and up
- }
- pMatrix->RotateZ(kAngCom); //apply common rotation in XY plane
+ AliHMPIDParam::IdealPosition(iCh,pMatrix);
gGeoManager->GetVolume("ALIC")->AddNode(pRich,iCh,pMatrix);
}
fIdPc = gMC->VolId("Rpc");
fIdAmpGap = gMC->VolId("Rgap");
fIdProxGap = gMC->VolId("Rgap");
+
AliDebug(1,"Stop v1 HMPID.");
}
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+void AliHMPIDv1::DefineOpticalProperties()
+{
+// Optical properties definition.
+ 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)^2-5769)-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
+
+ TF1 *pRaAF=new TF1("HabsRad","(x<7.8)*(gaus+gaus(3))+(x>=7.8)*0.0001" ,emin,emax); //fit from DiMauro data 28.10.03
+ pRaAF->SetParameters(3.20491e16,-0.00917890,0.742402,3035.37,4.81171,0.626309);
+ TF1 *pWiAF=new TF1("HabsWin","(x<8.2)*(818.8638-301.0436*x+36.89642*x*x-1.507555*x*x*x)+(x>=8.2)*0.0001" ,emin,emax); //fit from DiMauro data 28.10.03
+ TF1 *pGaAF=new TF1("HabsGap","(x<7.75)*6512.399+(x>=7.75)*3.90743e-2/(-1.655279e-1+6.307392e-2*x-8.011441e-3*x*x+3.392126e-4*x*x*x)",emin,emax); //????? from where
+
+ TF1 *pQeF =new TF1("Hqe" ,"0+(x>6.07267)*0.344811*(1-exp(-1.29730*(x-6.07267)))" ,emin,emax); //fit from DiMauro data 28.10.03
+
+ 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)[kCH4] , kNbins, aEckov, aAbsGap , aQeAll , aIdxGap );
+ gMC->SetCerenkov((*fIdtmed)[kCu] , kNbins, aEckov, aAbsMet , aQeAll , aIdxMet );
+ 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;
+}
+//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Bool_t AliHMPIDv1::IsLostByFresnel()
{
// Calculate probability for the photon to be lost by Fresnel reflection.
return kFALSE;
}//IsLostByFresnel()
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
-void AliHMPIDv1::GenFee(Int_t iCh,Float_t eloss)
+void AliHMPIDv1::GenFee(Float_t qtot)
{
// Generate FeedBack photons for the current particle. To be invoked from StepManager().
-// eloss=0 means photon so only pulse height distribution is to be analysed. This one is done in AliHMPIDParam::TotQdc()
+// eloss=0 means photon so only pulse height distribution is to be analysed.
TLorentzVector x4;
gMC->TrackPosition(x4);
- Int_t iNphotons=gMC->GetRandom()->Poisson(0.02*200); eloss++; iCh++; //??????????????????????
+ Int_t iNphotons=gMC->GetRandom()->Poisson(0.02*qtot); //# of feedback photons is proportional to the charge of hit
AliDebug(1,Form("N photons=%i",iNphotons));
Int_t j;
Float_t cthf, phif, enfp = 0, sthf, e1[3], e2[3], e3[3], vmod, uswop,dir[3], phi,pol[3], mom[4];
Int_t outputNtracksStored;
gAlice->GetMCApp()->PushTrack(1, //transport
gAlice->GetMCApp()->GetCurrentTrackNumber(),//parent track
- kFeedback, //PID
+ 50000051, //PID
mom[0],mom[1],mom[2],mom[3], //track momentum
x4.X(),x4.Y(),x4.Z(),x4.T(), //track origin
pol[0],pol[1],pol[2], //polarization
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
void AliHMPIDv1::Hits2SDigits()
{
-// Interface methode ivoked from AliSimulation to create a list of sdigits corresponding to list of hits. Every hit generates one or more sdigits.
+// Interface method ivoked from AliSimulation to create a list of sdigits corresponding to list of hits. Every hit generates one or more sdigits.
// Arguments: none
// Returns: none
AliDebug(1,"Start.");
if(!GetLoader()->TreeH()) {GetLoader()->LoadHits(); }
if(!GetLoader()->TreeS()) {GetLoader()->MakeTree("S"); MakeBranch("S");}//to
- for(Int_t iPrimN=0;iPrimN<GetLoader()->TreeH()->GetEntries();iPrimN++){//prims loop
- GetLoader()->TreeH()->GetEntry(iPrimN);
+ for(Int_t iEnt=0;iEnt<GetLoader()->TreeH()->GetEntries();iEnt++){//prims loop
+ GetLoader()->TreeH()->GetEntry(iEnt);
Hit2Sdi(Hits(),SdiLst());
}//prims loop
GetLoader()->TreeS()->Fill();
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
void AliHMPIDv1::Hit2Sdi(TClonesArray *pHitLst,TClonesArray *pSdiLst)
{
-// Converts list of hits to list of sdigits. For each hit in a loop the following steps are done:
-// - calcultion of the total charge induced by the hit
-// - determination of the pad contaning the hit and shifting hit y position to the nearest anod wire y
-// - defining a set of pads affected (up to 9 including the hitted pad)
-// - calculating charge induced to all those pads using integrated Mathieson distribution and creating sdigit
+// Converts list of hits to list of sdigits.
// Arguments: pHitLst - list of hits provided not empty
// pSDigLst - list of sdigits where to store the results
// Returns: none
for(Int_t iHit=0;iHit<pHitLst->GetEntries();iHit++){ //hits loop
- AliHMPIDHit *pHit=(AliHMPIDHit*)pHitLst->At(iHit); //get pointer to current hit
- AliHMPIDDigit::Hit2Sdi(pHit,pSdiLst); //convert this hit to list of sdigits
+ AliHMPIDHit *pHit=(AliHMPIDHit*)pHitLst->At(iHit); //get pointer to current hit
+ pHit->Hit2Sdi(pSdiLst); //convert this hit to list of sdigits
}//hits loop loop
-}//Hits2SDigs() for TVector2
+}//Hits2Sdi()
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
void AliHMPIDv1::Digits2Raw()
{
-// Creates raw data files in DDL format. Invoked by AliSimulation where loop over events is done
+// Interface method invoked by AliSimulation to create raw data streams from digits. Events loop is done in AliSimulation
// Arguments: none
// Returns: none
AliDebug(1,"Start.");
}
treeD->GetEntry(0);
- ofstream file[AliHMPIDDigit::kNddls]; //output streams
- Int_t cnt[AliHMPIDDigit::kNddls]; //data words counters for DDLs
- AliRawDataHeader header; //empty DDL header
- UInt_t w32=0; //32 bits data word
-
- for(Int_t i=0;i<AliHMPIDDigit::kNddls;i++){
- file[i].open(AliDAQ::DdlFileName(GetName(),i)); //open all 14 DDL in parallel
- file[i].write((char*)&header,sizeof(header)); //write dummy header as place holder, actual will be written later when total size of DDL is known
- cnt[i]=0; //reset counters
- }
-
- for(Int_t iCh=0;iCh<7;iCh++)
- for(Int_t iDig=0;iDig<DigLst(iCh)->GetEntriesFast();iDig++){//digits loop for a given chamber
- AliHMPIDDigit *pDig=(AliHMPIDDigit*)DigLst(iCh)->At(iDig);
- Int_t ddl=pDig->Raw(w32); //ddl is 0..13
- file[ddl].write((char*)&w32,sizeof(w32)); cnt[ddl]++;//write formated digit to the propriate file (as decided in Dig2Raw) and increment corresponding counter
- }//digits
-
+ //AliHMPIDDigit::WriteRaw(DigLst());
+ AliHMPIDRawStream *pRS=0x0;
+ pRS->WriteRaw(DigLst());
- for(Int_t i=0;i<AliHMPIDDigit::kNddls;i++){
- header.fSize=sizeof(header)+cnt[i]*sizeof(w32); //now calculate total number of bytes for each DDL file
- header.SetAttribute(0);
- file[i].seekp(0); file[i].write((char*)&header,sizeof(header));//rewrite DDL header with fSize field properly set
- file[i].close(); //close DDL file
- }
GetLoader()->UnloadDigits();
AliDebug(1,"Stop.");
}//Digits2Raw()
// 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.ReadRaw(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;
case kProton: sParticle="PROTON" ;break;
case kNeutron: sParticle="neutron" ;break;
case kGamma: sParticle="gamma" ;break;
- case kCerenkov: sParticle="CKOV" ;break;
+ case 50000050: sParticle="CKOV" ;break;
case kPi0: sParticle="Pi0" ;break;
case kPiPlus: sParticle="Pi+" ;break;
case kPiMinus: sParticle="Pi-" ;break;
Int_t copy; //volume copy aka node
//Treat photons
- if((gMC->TrackPid()==kCerenkov||gMC->TrackPid()==kFeedback)&&gMC->CurrentVolID(copy)==fIdPc){ //photon (Ckov or feedback) hit PC (fIdPc)
+ if((gMC->TrackPid()==50000050||gMC->TrackPid()==50000051)&&gMC->CurrentVolID(copy)==fIdPc){ //photon (Ckov or feedback) hit PC (fIdPc)
if(gMC->Edep()>0){ //photon survided QE test i.e. produces electron
if(IsLostByFresnel()){ gMC->StopTrack(); return;} //photon lost due to fersnel reflection on PC
gMC->CurrentVolOffID(2,copy); //current chamber since geomtry tree is HMPID-Rppf-Rpc
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 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 PC
- GenFee(copy); //generate feedback photons
+ 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
+ GenFee(etot); //generate feedback photons etot is modified in hit ctor to Q of hit
}//photon hit PC and DE >0
}//photon hit PC
//Treat charged particles
- static Double_t dEdX; //need to store mip parameters between different steps
+ static Float_t eloss; //need to store mip parameters between different steps
static Double_t in[3];
if(gMC->TrackCharge() && gMC->CurrentVolID(copy)==fIdAmpGap){ //charged particle in amplification gap (fIdAmpGap)
if(gMC->IsTrackEntering()||gMC->IsNewTrack()) { //entering or newly created
- dEdX=0; //reset dEdX collector
+ 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
- dEdX +=gMC->Edep(); //take into account last step dEdX
+ 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
- out[0]=0.5*(out[0]+in[0]); out[1]=0.5*(out[1]+in[1]); out[1]=0.5*(out[1]+in[1]); //take hit position at the anod plane
- Float_t xl,yl;AliHMPIDParam::Instance()->Mars2Lors(copy,out,xl,yl); //take LORS position
- new((*fHits)[fNhits++])AliHMPIDHit(copy,dEdX,pid,tid,xl,yl,out); //HIT for MIP, position near anod plane
- GenFee(copy,dEdX); //generate feedback photons
+ 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
+ GenFee(eloss); //generate feedback photons
}else //just going inside
- dEdX += gMC->Edep(); //collect this step dEdX
+ eloss += gMC->Edep(); //collect this step eloss
}//MIP in GAP
}//StepManager()
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff