/************************************************************************** * 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. * **************************************************************************/ /* $Id$ */ //_________________________________________________________________________ // 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) // ////////////////////////////////////////////////////////////////////////////// // --- ROOT system --- class TFile; #include #include #include // --- Standard library --- // --- AliRoot header files --- #include "AliMagF.h" #include "AliESDCaloTrack.h" #include "AliESD.h" #include "AliEMCAL.h" #include "AliEMCALGetter.h" #include "AliRun.h" #include "AliEMCALSDigitizer.h" #include "AliEMCALDigitizer.h" #include "AliEMCALReconstructioner.h" ClassImp(AliEMCAL) //____________________________________________________________________________ AliEMCAL::AliEMCAL():AliDetector() { // Default ctor fName="EMCAL"; fGeom = 0 ; } //____________________________________________________________________________ AliEMCAL::AliEMCAL(const char* name, const char* title): AliDetector(name,title) { // ctor : title is used to identify the layout fGeom = 0; } //____________________________________________________________________________ AliEMCAL::~AliEMCAL() { } //____________________________________________________________________________ void AliEMCAL::Copy(AliEMCAL & emcal) { TObject::Copy(emcal) ; } //____________________________________________________________________________ AliDigitizer* AliEMCAL::CreateDigitizer(AliRunDigitizer* manager) const { return new AliEMCALDigitizer(manager); } //____________________________________________________________________________ void AliEMCAL::CreateMaterials() { // Definitions of materials to build EMCAL and associated tracking media. // media number in idtmed are 1599 to 1698. // --- Air --- AliMaterial(0, "Air$", 14.61, 7.3, 0.001205, 30420., 67500., 0, 0) ; // --- Lead --- AliMaterial(1, "Pb$", 207.2, 82, 11.35, 0.56, 0., 0, 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 ^ // 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() ; // 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] AliMedium(1, "Lead $", 1, 0, isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ; // The scintillator of the CPV made of Polystyrene scintillator -> idtmed[1601] AliMedium(2, "CPV scint. $", 2, 1, isxfld, sxmgmx, 10.0, 0.001, 0.1, 0.001, 0.001, 0, 0) ; // Various Aluminium parts made of Al -> idtmed[1602] AliMedium(3, "Al parts $", 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 // Tracking threshold for photons and electrons in Lead gMC->Gstpar(idtmed[1600],"CUTGAM",0.00008) ; gMC->Gstpar(idtmed[1600],"CUTELE",0.001) ; gMC->Gstpar(idtmed[1600],"BCUTE",0.0001) ; // --- Generate explicitly delta rays in Lead --- gMC->Gstpar(idtmed[1600], "LOSS",3.) ; gMC->Gstpar(idtmed[1600], "DRAY",1.) ; gMC->Gstpar(idtmed[1600], "DCUTE",0.00001) ; gMC->Gstpar(idtmed[1600], "DCUTM",0.00001) ; // --- in aluminium parts --- gMC->Gstpar(idtmed[1602], "LOSS",3.) ; gMC->Gstpar(idtmed[1602], "DRAY",1.) ; gMC->Gstpar(idtmed[1602], "DCUTE",0.00001) ; gMC->Gstpar(idtmed[1602], "DCUTM",0.00001) ; // --- and finally thresholds for photons and electrons in the scintillator --- gMC->Gstpar(idtmed[1601],"CUTGAM",0.00008) ; gMC->Gstpar(idtmed[1601],"CUTELE",0.001) ; gMC->Gstpar(idtmed[1601],"BCUTE",0.0001) ; } //____________________________________________________________________________ void AliEMCAL::FillESD(AliESD* esd) const { // Fill the ESD with all RecParticles AliEMCALGetter *gime = AliEMCALGetter::Instance( (fLoader->GetRunLoader()->GetFileName()).Data() ); gime->Event(gime->EventNumber(), "P") ; TClonesArray *recParticles = gime->RecParticles(); Int_t nOfRecParticles = recParticles->GetEntries(); for (Int_t recpart=0; recpartAt(recpart)); esd->AddCaloTrack(ct); delete ct; } } //____________________________________________________________________________ void AliEMCAL::Hits2SDigits() { // create summable digits AliEMCALSDigitizer* emcalDigitizer = new AliEMCALSDigitizer(fLoader->GetRunLoader()->GetFileName().Data()) ; emcalDigitizer->SetEventRange(0, -1) ; // do all the events emcalDigitizer->ExecuteTask() ; } //____________________________________________________________________________ void AliEMCAL::Reconstruct() const { AliEMCALReconstructioner * rec = new AliEMCALReconstructioner((fLoader->GetRunLoader()->GetFileName()).Data()) ; rec->SetEventRange(0, -1) ; // do all the events rec->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; } //____________________________________________________________________________ void AliEMCAL::SetTreeAddress() { // Linking Hits in Tree to Hits array TBranch *branch; char branchname[20]; sprintf(branchname,"%s",GetName()); // Branch address for hit tree TTree *treeH = TreeH(); if (treeH) { branch = treeH->GetBranch(branchname); if (branch) { if (fHits == 0x0) fHits= new TClonesArray("AliEMCALHit",1000); branch->SetAddress(&fHits); } else { Warning("SetTreeAddress","<%s> Failed",GetName()); } } }