**************************************************************************/
/* $Id$ */
-
//_________________________________________________________________________
// Base Class for EMCAL description:
-//
-//
+// This class contains material definitions
+// for the EMCAL - It does not place the detector in Alice
//*-- Author: Yves Schutz (SUBATECH)
+//
+//*-- Additional Contributions: Sahal Yacoob (LBNL/UCT)
+//
//////////////////////////////////////////////////////////////////////////////
-// --- Standard library ---
-#include <strstream.h>
-
// --- ROOT system ---
-#include "TBranch.h"
-#include "TClonesArray.h"
-#include "TTree.h"
+class TFile;
+#include <TFolder.h>
+#include <TGeoGlobalMagField.h>
+#include <TGraph.h>
+#include <TH1F.h>
+#include <TRandom.h>
+#include <TTree.h>
+#include <TVirtualMC.h>
-// --- AliRoot header files ---
+// --- Standard library ---
+// --- AliRoot header files ---
+#include "AliMagF.h"
#include "AliEMCAL.h"
-#include "AliEMCALGeometry.h"
-#include "AliMC.h"
#include "AliRun.h"
-#include "AliMagF.h"
+#include "AliEMCALLoader.h"
+#include "AliEMCALSDigitizer.h"
+#include "AliEMCALDigitizer.h"
+#include "AliEMCALDigit.h"
+#include "AliEMCALRawUtils.h"
+#include "AliCDBManager.h"
+#include "AliCDBEntry.h"
ClassImp(AliEMCAL)
//____________________________________________________________________________
-AliEMCAL::AliEMCAL():AliDetector()
+AliEMCAL::AliEMCAL()
+ : AliDetector(),
+ fBirkC0(0),
+ fBirkC1(0.),
+ fBirkC2(0.),
+ fGeometry(0)
{
- // ctor
- //We do not create objects, because these pointers will be overwritten during reading from file.
- fGeom = 0;
- fSDigits = 0 ;
- fDigits = 0;
+ // Default ctor
+ fName = "EMCAL" ;
+ InitConstants();
+
+ // Should call AliEMCALGeometry::GetInstance(EMCAL->GetTitle(),"") for getting EMCAL geometry
}
+
//____________________________________________________________________________
-AliEMCAL::AliEMCAL(const char* name, const char* title): AliDetector(name,title)
+AliEMCAL::AliEMCAL(const char* name, const char* title)
+ : AliDetector(name,title),
+ fBirkC0(0),
+ fBirkC1(0.),
+ fBirkC2(0.),
+ fGeometry(0)
{
- // ctor : title is used to identify the layout
-
- // gets an instance of the geometry parameters class
-
- if (strcmp(GetTitle(),"") != 0 )
- fGeom = AliEMCALGeometry::GetInstance(GetTitle(), "") ;
+ // ctor : title is used to identify the layout
+ InitConstants();
}
+
//____________________________________________________________________________
AliEMCAL::~AliEMCAL()
{
- // dtor
+ //dtor
+}
+
+//____________________________________________________________________________
+void AliEMCAL::InitConstants()
+{
+ //initialize EMCAL values
+ fBirkC0 = 1;
+ fBirkC1 = 0.013/1.032;
+ fBirkC2 = 9.6e-6/(1.032 * 1.032);
+ }
+
+//Not needed, modify $ALICE_ROOT/data/galice.cuts instead.
+//Load the modified one in the configuration file with SetTransPar
+// //____________________________________________________________________________
+// void AliEMCAL::DefineMediumParameters()
+// {
+// //
+// // EMCAL cuts (Geant3)
+// //
+// Int_t * idtmed = fIdtmed->GetArray() - 1599 ;
+// // --- Set decent energy thresholds for gamma and electron tracking
+
+// // Tracking threshold for photons and electrons in Lead
+// Float_t cutgam=10.e-5; // 100 kev;
+// Float_t cutele=10.e-5; // 100 kev;
+// TString ntmp(GetTitle());
+// ntmp.ToUpper();
+// if(ntmp.Contains("10KEV")) {
+// cutele = cutgam = 1.e-5;
+// } else if(ntmp.Contains("50KEV")) {
+// cutele = cutgam = 5.e-5;
+// } else if(ntmp.Contains("100KEV")) {
+// cutele = cutgam = 1.e-4;
+// } else if(ntmp.Contains("200KEV")) {
+// cutele = cutgam = 2.e-4;
+// } else if(ntmp.Contains("500KEV")) {
+// cutele = cutgam = 5.e-4;
+// }
+
+// gMC->Gstpar(idtmed[1600],"CUTGAM", cutgam);
+// gMC->Gstpar(idtmed[1600],"CUTELE", cutele); // 1MEV -> 0.1MEV; 15-aug-05
+// gMC->Gstpar(idtmed[1600],"BCUTE", cutgam); // BCUTE and BCUTM start from GUTGUM
+// gMC->Gstpar(idtmed[1600],"BCUTM", cutgam); // BCUTE and BCUTM start from GUTGUM
+// // --- Generate explicitly delta rays in Lead ---
+// gMC->Gstpar(idtmed[1600], "LOSS", 3) ;
+// gMC->Gstpar(idtmed[1600], "DRAY", 1) ;
+// gMC->Gstpar(idtmed[1600], "DCUTE", cutele) ;
+// gMC->Gstpar(idtmed[1600], "DCUTM", cutele) ;
+
+// // --- in aluminium parts ---
+// gMC->Gstpar(idtmed[1602],"CUTGAM", cutgam) ;
+// gMC->Gstpar(idtmed[1602],"CUTELE", cutele) ;
+// gMC->Gstpar(idtmed[1602],"BCUTE", cutgam); // BCUTE and BCUTM start from GUTGUM
+// gMC->Gstpar(idtmed[1602],"BCUTM", cutgam); // BCUTE and BCUTM start from GUTGUM
+// gMC->Gstpar(idtmed[1602], "LOSS",3.) ;
+// gMC->Gstpar(idtmed[1602], "DRAY",1.) ;
+// gMC->Gstpar(idtmed[1602], "DCUTE", cutele) ;
+// gMC->Gstpar(idtmed[1602], "DCUTM", cutele) ;
+
+// // --- and finally thresholds for photons and electrons in the scintillator ---
+// gMC->Gstpar(idtmed[1601],"CUTGAM", cutgam) ;
+// gMC->Gstpar(idtmed[1601],"CUTELE", cutele) ;// 1MEV -> 0.1MEV; 15-aug-05
+// gMC->Gstpar(idtmed[1601],"BCUTE", cutgam); // BCUTE and BCUTM start from GUTGUM
+// gMC->Gstpar(idtmed[1601],"BCUTM", cutgam); // BCUTE and BCUTM start from GUTGUM
+// gMC->Gstpar(idtmed[1601], "LOSS",3) ; // generate delta rays
+// gMC->Gstpar(idtmed[1601], "DRAY",1) ;
+// gMC->Gstpar(idtmed[1601], "DCUTE", cutele) ;
+// gMC->Gstpar(idtmed[1601], "DCUTM", cutele) ;
+
+// // S steel -
+// gMC->Gstpar(idtmed[1603],"CUTGAM", cutgam);
+// gMC->Gstpar(idtmed[1603],"CUTELE", cutele);
+// gMC->Gstpar(idtmed[1603],"BCUTE", cutgam); // BCUTE and BCUTM start from GUTGUM
+// gMC->Gstpar(idtmed[1603],"BCUTM", cutgam); // BCUTE and BCUTM start from GUTGUM
+// // --- Generate explicitly delta rays
+// gMC->Gstpar(idtmed[1603], "LOSS",3);
+// gMC->Gstpar(idtmed[1603], "DRAY",1);
+// gMC->Gstpar(idtmed[1603], "DCUTE", cutele) ;
+// gMC->Gstpar(idtmed[1603], "DCUTM", cutele) ;
+// AliEMCALGeometry* geom = GetGeometry();
+// if(geom->GetILOSS()>=0) {
+// for(int i=1600; i<=1603; i++) gMC->Gstpar(idtmed[i], "LOSS", geom->GetILOSS()) ;
+// }
+// if(geom->GetIHADR()>=0) {
+// for(int i=1600; i<=1603; i++) gMC->Gstpar(idtmed[i], "HADR", geom->GetIHADR()) ;
+// }
+// }
+
+//____________________________________________________________________________
+AliDigitizer* AliEMCAL::CreateDigitizer(AliRunDigitizer* manager) const
+{
+ //create and return the digitizer
+ return new AliEMCALDigitizer(manager);
}
//____________________________________________________________________________
{
// Definitions of materials to build EMCAL and associated tracking media.
// media number in idtmed are 1599 to 1698.
-
- // --- Air ---
- AliMaterial(0, "Air$", 14.61, 7.3, 0.001205, 30420., 67500., 0, 0) ;
+ // --- Air ---
+ Float_t aAir[4]={12.0107,14.0067,15.9994,39.948};
+ Float_t zAir[4]={6.,7.,8.,18.};
+ Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827};
+ Float_t dAir = 1.20479E-3;
+ AliMixture(0, "Air$", aAir, zAir, dAir, 4, wAir) ;
// --- Lead ---
AliMaterial(1, "Pb$", 207.2, 82, 11.35, 0.56, 0., 0, 0) ;
- // --- Average properties of the active material ---
- AliMaterial(2, "EmcalMat$", fGeom->GetAmat(),
- fGeom->GetZmat(),
- fGeom->GetDmat(),
- fGeom->GetRmat(),
- 0) ;
+
+ // --- The polysterene scintillator (CH) ---
+ Float_t aP[2] = {12.011, 1.00794} ;
+ Float_t zP[2] = {6.0, 1.0} ;
+ Float_t wP[2] = {1.0, 1.0} ;
+ Float_t dP = 1.032 ;
+
+ AliMixture(2, "Polystyrene$", aP, zP, dP, -2, wP) ;
+
+ // --- Aluminium ---
+ AliMaterial(3, "Al$", 26.98, 13., 2.7, 8.9, 999., 0, 0) ;
+ // --- Absorption length is ignored ^
+
+ // 25-aug-04 by PAI - see PMD/AliPMDv0.cxx for STEEL definition
+ Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 };
+ Float_t zsteel[4] = { 26.,24.,28.,14. };
+ Float_t wsteel[4] = { .715,.18,.1,.005 };
+ AliMixture(4, "STAINLESS STEEL$", asteel, zsteel, 7.88, 4, wsteel);
// DEFINITION OF THE TRACKING MEDIA
// for EMCAL: idtmed[1599->1698] equivalent to fIdtmed[0->100]
- Int_t * idtmed = fIdtmed->GetArray() - 1599 ;
- Int_t isxfld = gAlice->Field()->Integ() ;
- Float_t sxmgmx = gAlice->Field()->Max() ;
+ Int_t isxfld = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Integ() ;
+ Float_t sxmgmx = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Max() ;
- // Air -> idtmed[1599]
- AliMedium(0, "Air $", 0, 0,
+ // Air -> idtmed[1599]
+ AliMedium(0, "Air$", 0, 0,
isxfld, sxmgmx, 10.0, 1.0, 0.1, 0.1, 10.0, 0, 0) ;
- // The Lead -> idtmed[1600]
+ // The Lead -> idtmed[1600]
- AliMedium(1, "Lead $", 1, 0,
+ AliMedium(1, "Lead$", 1, 0,
isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
- // The Average properties of the active material -> idtmed[1601]
+ // The scintillator of the CPV made of Polystyrene scintillator -> idtmed[1601]
+ float deemax = 0.1; // maximum fractional energy loss in one step (0 < DEEMAX < deemax )
+ AliMedium(2, "Scintillator$", 2, 1,
+ isxfld, sxmgmx, 10.0, 0.001, deemax, 0.001, 0.001, 0, 0) ;
- AliMedium(2, "EmcalMat $", 2, 0,
- isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
+ // Various Aluminium parts made of Al -> idtmed[1602]
+ AliMedium(3, "Al$", 3, 0,
+ isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.001, 0.001, 0, 0) ;
- // --- Set decent energy thresholds for gamma and electron tracking
+ // 25-aug-04 by PAI : see PMD/AliPMDv0.cxx for STEEL definition -> idtmed[1603]
+ AliMedium(4, "S steel$", 4, 0,
+ isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.001, 0.001, 0, 0) ;
- // Tracking threshold for photons and electrons in Lead
- gMC->Gstpar(idtmed[1600], "CUTGAM",0.5E-4) ;
- gMC->Gstpar(idtmed[1600], "CUTELE",1.0E-4) ;
- gMC->Gstpar(idtmed[1601], "CUTGAM",0.5E-4) ;
- gMC->Gstpar(idtmed[1601], "CUTELE",1.0E-4) ;
- // --- Generate explicitly delta rays in Lead ---
- gMC->Gstpar(idtmed[1600], "LOSS",3.) ;
- gMC->Gstpar(idtmed[1600], "DRAY",1.) ;
- gMC->Gstpar(idtmed[1601], "LOSS",3.) ;
- gMC->Gstpar(idtmed[1601], "DRAY",1.) ;
-
+ //set constants for Birk's Law implentation
+ fBirkC0 = 1;
+ fBirkC1 = 0.013/dP;
+ fBirkC2 = 9.6e-6/(dP * dP);
+
}
+
//____________________________________________________________________________
-void AliEMCAL::SetTreeAddress()
+void AliEMCAL::Init()
{
+ // Init
+ //Not needed, modify $ALICE_ROOT/data/galice.cuts instead.
+ //Load the modified one in the configuration file with SetTransPar
+ //DefineMediumParameters();
+}
- TBranch *branch;
- char branchname[20];
- sprintf(branchname,"%s",GetName());
-
- // Branch address for hit tree
- TTree *treeH = gAlice->TreeH();
- if (treeH && fHits) {
- branch = treeH->GetBranch(branchname);
- if (branch) branch->SetAddress(&fHits);
- }
-
- // Branch address for digit tree
- TTree *treeD = gAlice->TreeD();
-
- if(fDigits)
- fDigits->Clear();
-
- if (treeD && fDigits) {
- branch = treeD->GetBranch(branchname);
- if (branch) branch->SetAddress(&fDigits);
- }
+//____________________________________________________________________________
+void AliEMCAL::Digits2Raw() {
- if(fSDigits)
- fSDigits->Clear();
+ static AliEMCALRawUtils rawUtils;
+ rawUtils.Digits2Raw();
- if (gAlice->TreeS() && fSDigits ) {
- branch = gAlice->TreeS()->GetBranch("EMCAL");
- if (branch) branch->SetAddress(&fSDigits) ;
- }
}
+//____________________________________________________________________________
+void AliEMCAL::Hits2SDigits()
+{
+// create summable digits
+ GetGeometry();
+ AliEMCALSDigitizer emcalDigitizer(fLoader->GetRunLoader()->GetFileName().Data()) ;
+ emcalDigitizer.SetEventRange(0, -1) ; // do all the events
+ emcalDigitizer.ExecuteTask() ;
+}
+
+//____________________________________________________________________________
+AliLoader* AliEMCAL::MakeLoader(const char* topfoldername)
+{
+//different behaviour than standard (singleton getter)
+// --> to be discussed and made eventually coherent
+ fLoader = new AliEMCALLoader(GetName(),topfoldername);
+ return fLoader;
+}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff