* about the suitability of this software for any purpose. It is *
* provided "as is" without express or implied warranty. *
**************************************************************************/
+/* $Id$ */
//_________________________________________________________________________
-// Base Class of PHOS.
-// Only creates the materials
-//*-- Author : Laurent Aphecetche SUBATECH
+// Base Class for PHOS description:
+// PHOS consists of a PbWO4 calorimeter (EMCA) and a gazeous charged
+// particles detector (CPV or PPSD).
+// The only provided method here is CreateMaterials,
+// which defines the materials common to all PHOS versions.
+//
+//*-- Author: Laurent Aphecetche & Yves Schutz (SUBATECH)
//////////////////////////////////////////////////////////////////////////////
+
// --- ROOT system ---
+class TFile;
+#include <TFolder.h>
+#include <TTree.h>
+#include <TVirtualMC.h>
+#include <TRandom.h>
// --- Standard library ---
// --- AliRoot header files ---
-
+#include "AliMagF.h"
#include "AliPHOS.h"
-#include "AliMC.h"
+#include "AliPHOSGetter.h"
#include "AliRun.h"
+#include "AliPHOSDigitizer.h"
+#include "AliPHOSSDigitizer.h"
+#include "AliPHOSDigit.h"
+#include "AliAltroBuffer.h"
ClassImp(AliPHOS)
+//____________________________________________________________________________
+AliPHOS:: AliPHOS() : AliDetector()
+{
+ // Default ctor
+ fName="PHOS";
+ fQATask = 0;
+ fTreeQA = 0;
+ fDebug = 0;
+ fRan = new TRandom(123456) ;
+}
//____________________________________________________________________________
-AliPHOS::AliPHOS(const char* name, const char* title)
- : AliDetector(name,title)
+AliPHOS::AliPHOS(const char* name, const char* title): AliDetector(name, title)
{
+ // ctor : title is used to identify the layout
+
+ fQATask = 0;
+ fTreeQA = 0;
+ fDebug = 0;
+ fRan = new TRandom(123456) ;
+}
+
+//____________________________________________________________________________
+AliPHOS::~AliPHOS()
+{
+ delete fRan ;
}
//____________________________________________________________________________
-AliPHOS::AliPHOS() : AliDetector()
+void AliPHOS::Copy(AliPHOS & phos)
{
+ // copy method to be used byy the cpy ctor
+ TObject::Copy(phos) ;
+ // fQATask = AliPHOSQAChecker::Copy(*(phos.fQATask)) ;
+ phos.fTreeQA = fTreeQA->CloneTree() ;
}
//____________________________________________________________________________
-AliPHOS::~AliPHOS()
+AliDigitizer* AliPHOS::CreateDigitizer(AliRunDigitizer* manager) const
{
- delete fHits ;
- delete fDigits ;
+ return new AliPHOSDigitizer(manager);
}
//____________________________________________________________________________
void AliPHOS::CreateMaterials()
{
- // DEFINITION OF PHOS MATERIALS
+ // Definitions of materials to build PHOS and associated tracking media.
+ // media number in idtmed are 699 to 798.
// --- The PbWO4 crystals ---
- Float_t AX[3] = {207.19, 183.85, 16.0} ;
- Float_t ZX[3] = {82.0, 74.0, 8.0} ;
- Float_t WX[3] = {1.0, 1.0, 4.0} ;
- Float_t DX = 8.28 ;
+ Float_t aX[3] = {207.19, 183.85, 16.0} ;
+ Float_t zX[3] = {82.0, 74.0, 8.0} ;
+ Float_t wX[3] = {1.0, 1.0, 4.0} ;
+ Float_t dX = 8.28 ;
- AliMixture(0, "PbWO4$", AX, ZX, DX, -3, WX) ;
+ AliMixture(0, "PbWO4$", aX, zX, dX, -3, wX) ;
// --- 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 ;
+ 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(1, "Polystyrene$", AP, ZP, DP, -2, WP) ;
+ AliMixture(1, "Polystyrene$", aP, zP, dP, -2, wP) ;
// --- Aluminium ---
AliMaterial(2, "Al$", 26.98, 13., 2.7, 8.9, 999., 0, 0) ;
// --- Absorption length is ignored ^
// --- Tyvek (CnH2n) ---
- Float_t AT[2] = {12.011, 1.00794} ;
- Float_t ZT[2] = {6.0, 1.0} ;
- Float_t WT[2] = {1.0, 2.0} ;
- Float_t DT = 0.331 ;
+ Float_t aT[2] = {12.011, 1.00794} ;
+ Float_t zT[2] = {6.0, 1.0} ;
+ Float_t wT[2] = {1.0, 2.0} ;
+ Float_t dT = 0.331 ;
- AliMixture(3, "Tyvek$", AT, ZT, DT, -2, WT) ;
+ AliMixture(3, "Tyvek$", aT, zT, dT, -2, wT) ;
// --- Polystyrene foam ---
- Float_t AF[2] = {12.011, 1.00794} ;
- Float_t ZF[2] = {6.0, 1.0} ;
- Float_t WF[2] = {1.0, 1.0} ;
- Float_t DF = 0.12 ;
+ Float_t aF[2] = {12.011, 1.00794} ;
+ Float_t zF[2] = {6.0, 1.0} ;
+ Float_t wF[2] = {1.0, 1.0} ;
+ Float_t dF = 0.12 ;
- AliMixture(4, "Foam$", AF, ZF, DF, -2, WF) ;
+ AliMixture(4, "Foam$", aF, zF, dF, -2, wF) ;
// --- Titanium ---
- Float_t ATIT[3] = {47.88, 26.98, 54.94} ;
- Float_t ZTIT[3] = {22.0, 13.0, 25.0} ;
- Float_t WTIT[3] = {69.0, 6.0, 1.0} ;
- Float_t DTIT = 4.5 ;
+ Float_t aTIT[3] = {47.88, 26.98, 54.94} ;
+ Float_t zTIT[3] = {22.0, 13.0, 25.0} ;
+ Float_t wTIT[3] = {69.0, 6.0, 1.0} ;
+ Float_t dTIT = 4.5 ;
- AliMixture(5, "Titanium$", ATIT, ZTIT, DTIT, -3, WTIT);
+ AliMixture(5, "Titanium$", aTIT, zTIT, dTIT, -3, wTIT);
// --- Silicon ---
AliMaterial(6, "Si$", 28.0855, 14., 2.33, 9.36, 42.3, 0, 0) ;
// --- Foam thermo insulation ---
- Float_t ATI[2] = {12.011, 1.00794} ;
- Float_t ZTI[2] = {6.0, 1.0} ;
- Float_t WTI[2] = {1.0, 1.0} ;
- Float_t DTI = 0.1 ;
+ Float_t aTI[2] = {12.011, 1.00794} ;
+ Float_t zTI[2] = {6.0, 1.0} ;
+ Float_t wTI[2] = {1.0, 1.0} ;
+ Float_t dTI = 0.04 ;
- AliMixture(7, "Thermo Insul.$", ATI, ZTI, DTI, -2, WTI) ;
+ AliMixture(7, "Thermo Insul.$", aTI, zTI, dTI, -2, wTI) ;
// --- Textolitn ---
- Float_t ATX[4] = {16.0, 28.09, 12.011, 1.00794} ;
- Float_t ZTX[4] = {8.0, 14.0, 6.0, 1.0} ;
- Float_t WTX[4] = {292.0, 68.0, 462.0, 736.0} ;
- Float_t DTX = 1.75 ;
+ Float_t aTX[4] = {16.0, 28.09, 12.011, 1.00794} ;
+ Float_t zTX[4] = {8.0, 14.0, 6.0, 1.0} ;
+ Float_t wTX[4] = {292.0, 68.0, 462.0, 736.0} ;
+ Float_t dTX = 1.75 ;
- AliMixture(8, "Textolit$", ATX, ZTX, DTX, -4, WTX) ;
+ AliMixture(8, "Textolit$", aTX, zTX, dTX, -4, wTX) ;
//--- FR4 ---
- Float_t AFR[3] = {28.0855, 15.9994, 17.749} ;
- Float_t ZFR[3] = {14., 8., 8.875} ;
- Float_t WFR[3] = {.28, .32, .4} ;
- Float_t DFR = 1.8 ;
+ Float_t aFR[3] = {28.0855, 15.9994, 17.749} ;
+ Float_t zFR[3] = {14., 8., 8.875} ;
+ Float_t wFR[3] = {.28, .32, .4} ;
+ Float_t dFR = 1.8 ;
- AliMixture(9, "FR4$", AFR, ZFR, DFR, -3, WFR) ;
+ AliMixture(9, "FR4$", aFR, zFR, dFR, -3, wFR) ;
// --- The Composite Material for micromegas (so far polyetylene) ---
- Float_t ACM[2] = {12.01, 1.} ;
- Float_t ZCM[2] = {6., 1.} ;
- Float_t WCM[2] = {1., 2.} ;
- Float_t DCM = 0.935 ;
+ Float_t aCM[2] = {12.01, 1.} ;
+ Float_t zCM[2] = {6., 1.} ;
+ Float_t wCM[2] = {1., 2.} ;
+ Float_t dCM = 0.935 ;
- AliMixture(10, "Compo Mat$", ACM, ZCM, DCM, -2, WCM) ;
+ AliMixture(10, "Compo Mat$", aCM, zCM, dCM, -2, wCM) ;
// --- Copper ---
AliMaterial(11, "Cu$", 63.546, 29, 8.96, 1.43, 14.8, 0, 0) ;
// --- G10 : Printed Circuit material ---
- Float_t AG10[4] = { 12., 1., 16., 28.} ;
- Float_t ZG10[4] = { 6., 1., 8., 14.} ;
- Float_t WG10[4] = { .259, .288, .248, .205} ;
- Float_t DG10 = 1.7 ;
+ Float_t aG10[4] = { 12., 1., 16., 28.} ;
+ Float_t zG10[4] = { 6., 1., 8., 14.} ;
+ Float_t wG10[4] = { .259, .288, .248, .205} ;
+ Float_t dG10 = 1.7 ;
- AliMixture(12, "G10$", AG10, ZG10, DG10, -4, WG10);
+ AliMixture(12, "G10$", aG10, zG10, dG10, -4, wG10);
// --- Lead ---
AliMaterial(13, "Pb$", 207.2, 82, 11.35, 0.56, 0., 0, 0) ;
// --- The gas mixture ---
// Co2
- Float_t ACO[2] = {12.0, 16.0} ;
- Float_t ZCO[2] = {6.0, 8.0} ;
- Float_t WCO[2] = {1.0, 2.0} ;
- Float_t DCO = 0.001977 ;
+ Float_t aCO[2] = {12.0, 16.0} ;
+ Float_t zCO[2] = {6.0, 8.0} ;
+ Float_t wCO[2] = {1.0, 2.0} ;
+ Float_t dCO = 0.001977 ;
- AliMixture(14, "CO2$", ACO, ZCO, DCO, -2, WCO);
+ AliMixture(14, "CO2$", aCO, zCO, dCO, -2, wCO);
// Ar
- Float_t DAr = 0.001782 ;
- AliMaterial(15, "Ar$", 39.948, 18.0, DAr, 14.0, 0., 0, 0) ;
+ Float_t dAr = 0.001782 ;
+ AliMaterial(15, "Ar$", 39.948, 18.0, dAr, 14.0, 0., 0, 0) ;
// ArCo2
- Char_t namate[21];
- Float_t AGM[2] ;
- Float_t ZGM[2] ;
- Float_t WGM[2] ;
- Float_t DGM ;
+ Char_t namate[21]="";
+ Float_t aGM[2] ;
+ Float_t zGM[2] ;
+ Float_t wGM[2] ;
+ Float_t dGM ;
- Float_t AbsL, RadL, Density ;
+ Float_t absL, radL, density ;
Float_t buf[1] ;
Int_t nbuf ;
- gMC->Gfmate((*fIdmate)[15], namate, AGM[0], ZGM[0], Density, RadL, AbsL, buf, nbuf) ; // Get properties of Ar
- gMC->Gfmate((*fIdmate)[14], namate, AGM[1], ZGM[1], Density, RadL, AbsL, buf, nbuf) ; // Get properties of CO2
+ gMC->Gfmate((*fIdmate)[15], namate, aGM[0], zGM[0], density, radL, absL, buf, nbuf) ; // Get properties of Ar
+ gMC->Gfmate((*fIdmate)[14], namate, aGM[1], zGM[1], density, radL, absL, buf, nbuf) ; // Get properties of CO2
// Create gas mixture
- Float_t ArContent = 0.80 ; // Ar-content of the Ar/CO2-mixture (80% / 20%)
+ Float_t arContent = 0.80 ; // Ar-content of the Ar/CO2-mixture (80% / 20%)
- WGM[0] = ArContent;
- WGM[1] = 1. - ArContent ;
- DGM = WGM[0] * DAr + WGM[1] * DCO;
+ wGM[0] = arContent;
+ wGM[1] = 1. - arContent ;
+ dGM = wGM[0] * dAr + wGM[1] * dCO;
+
+
+ AliMixture(16, "ArCO2$", aGM, zGM, dGM, 2, wGM) ;
+
+ // --- Stainless steel (let it be pure iron) ---
+ AliMaterial(17, "Steel$", 55.845, 26, 7.87, 1.76, 0., 0, 0) ;
+
+
+ // --- Fiberglass ---
+ Float_t aFG[4] = {16.0, 28.09, 12.011, 1.00794} ;
+ Float_t zFG[4] = {8.0, 14.0, 6.0, 1.0} ;
+ Float_t wFG[4] = {292.0, 68.0, 462.0, 736.0} ;
+ Float_t dFG = 1.9 ;
+
+ AliMixture(18, "Fibergla$", aFG, zFG, dFG, -4, wFG) ;
+
+ // --- Cables in Air box ---
+ // SERVICES
+
+ Float_t aCA[4] = { 1.,12.,55.8,63.5 };
+ Float_t zCA[4] = { 1.,6.,26.,29. };
+ Float_t wCA[4] = { .014,.086,.42,.48 };
+ Float_t dCA = 0.8 ; //this density is raw estimation, if you know better - correct
+
+ AliMixture(19, "Cables $", aCA, zCA, dCA, -4, wCA) ;
- AliMixture(16, "ArCO2$", AGM, ZGM, DGM, 2, WGM) ;
-
// --- Air ---
- AliMaterial(99, "Air$", 14.61, 7.3, 0.001205, 30420., 67500., 0, 0) ;
-
+ Float_t aAir[4]={12.0107,14.0067,15.9994,39.948};
+ Float_t zAir[4]={6.,7.,8.,18.};
+ Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827};
+ Float_t dAir = 1.20479E-3;
+ AliMixture(99, "Air$", aAir, zAir, dAir, 4, wAir) ;
+
// DEFINITION OF THE TRACKING MEDIA
// for PHOS: idtmed[699->798] equivalent to fIdtmed[0->100]
Int_t * idtmed = fIdtmed->GetArray() - 699 ;
- Int_t ISXFLD = gAlice->Field()->Integ() ;
- Float_t SXMGMX = gAlice->Field()->Max() ;
+ Int_t isxfld = gAlice->Field()->Integ() ;
+ Float_t sxmgmx = gAlice->Field()->Max() ;
// The scintillator of the calorimeter made of PBW04 -> idtmed[699]
AliMedium(0, "PHOS Xtal $", 0, 1,
- ISXFLD, SXMGMX, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 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[700]
AliMedium(1, "CPV scint. $", 1, 1,
- ISXFLD, SXMGMX, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
+ isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
// Various Aluminium parts made of Al -> idtmed[701]
AliMedium(2, "Al parts $", 2, 0,
- ISXFLD, SXMGMX, 10.0, 0.1, 0.1, 0.001, 0.001, 0, 0) ;
+ isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.001, 0.001, 0, 0) ;
// The Tywek which wraps the calorimeter crystals -> idtmed[702]
AliMedium(3, "Tyvek wrapper$", 3, 0,
- ISXFLD, SXMGMX, 10.0, 0.1, 0.1, 0.001, 0.001, 0, 0) ;
+ isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.001, 0.001, 0, 0) ;
// The Polystyrene foam around the calorimeter module -> idtmed[703]
AliMedium(4, "Polyst. foam $", 4, 0,
- ISXFLD, SXMGMX, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
+ isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
// The Titanium around the calorimeter crystal -> idtmed[704]
AliMedium(5, "Titan. cover $", 5, 0,
- ISXFLD, SXMGMX, 10.0, 0.1, 0.1, 0.0001, 0.0001, 0, 0) ;
+ isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.0001, 0.0001, 0, 0) ;
// The Silicon of the pin diode to read out the calorimeter crystal -> idtmed[705]
AliMedium(6, "Si PIN $", 6, 0,
- ISXFLD, SXMGMX, 10.0, 0.1, 0.1, 0.01, 0.01, 0, 0) ;
+ isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.01, 0.01, 0, 0) ;
// The thermo insulating material of the box which contains the calorimeter module -> idtmed[706]
AliMedium(7, "Thermo Insul.$", 7, 0,
- ISXFLD, SXMGMX, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
+ isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
// The Textolit which makes up the box which contains the calorimeter module -> idtmed[707]
AliMedium(8, "Textolit $", 8, 0,
- ISXFLD, SXMGMX, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
+ isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
// FR4: The Plastic which makes up the frame of micromegas -> idtmed[708]
AliMedium(9, "FR4 $", 9, 0,
- ISXFLD, SXMGMX, 10.0, 0.1, 0.1, 0.1, 0.0001, 0, 0) ;
+ isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.0001, 0, 0) ;
// The Composite Material for micromegas -> idtmed[709]
AliMedium(10, "CompoMat $", 10, 0,
- ISXFLD, SXMGMX, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
+ isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
// Copper -> idtmed[710]
AliMedium(11, "Copper $", 11, 0,
- ISXFLD, SXMGMX, 10.0, 0.1, 0.1, 0.1, 0.0001, 0, 0) ;
+ isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.0001, 0, 0) ;
// G10: Printed Circuit material -> idtmed[711]
AliMedium(12, "G10 $", 12, 0,
- ISXFLD, SXMGMX, 10.0, 0.1, 0.1, 0.1, 0.01, 0, 0) ;
+ isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.01, 0, 0) ;
// The Lead -> idtmed[712]
AliMedium(13, "Lead $", 13, 0,
- ISXFLD, SXMGMX, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
+ isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
// The gas mixture: ArCo2 -> idtmed[715]
AliMedium(16, "ArCo2 $", 16, 1,
- ISXFLD, SXMGMX, 10.0, 0.1, 0.1, 0.1, 0.01, 0, 0) ;
+ isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.01, 0, 0) ;
+ // Stainless steel -> idtmed[716]
+ AliMedium(17, "Steel $", 17, 0,
+ isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.0001, 0, 0) ;
+
+ // Fibergalss -> idtmed[717]
+ AliMedium(18, "Fiberglass$", 18, 0,
+ isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
+
+ // Cables in air -> idtmed[718]
+ AliMedium(19, "Cables $", 19, 0,
+ isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
+
// Air -> idtmed[798]
AliMedium(99, "Air $", 99, 0,
- ISXFLD, SXMGMX, 10.0, 1.0, 0.1, 0.1, 10.0, 0, 0) ;
+ isxfld, sxmgmx, 10.0, 1.0, 0.1, 0.1, 10.0, 0, 0) ;
// --- Set decent energy thresholds for gamma and electron tracking
// Tracking threshold for photons and electrons in the scintillator crystal
gMC->Gstpar(idtmed[699], "CUTGAM",0.5E-4) ;
gMC->Gstpar(idtmed[699], "CUTELE",1.0E-4) ;
-
- // Tracking threshold for photons and electrons in the gas
- gMC->Gstpar(idtmed[715], "CUTGAM",0.5E-4) ;
- gMC->Gstpar(idtmed[715], "CUTELE",1.0E-4) ;
-
+
// --- Generate explicitly delta rays in the titan cover ---
gMC->Gstpar(idtmed[704], "LOSS",3.) ;
gMC->Gstpar(idtmed[704], "DRAY",1.) ;
-
// --- and in aluminium parts ---
gMC->Gstpar(idtmed[701], "LOSS",3.) ;
gMC->Gstpar(idtmed[701], "DRAY",1.) ;
+ // --- and in PIN diode
+ gMC->Gstpar(idtmed[705], "LOSS",3) ;
+ gMC->Gstpar(idtmed[705], "DRAY",1) ;
+ // --- and in the passive convertor
+ gMC->Gstpar(idtmed[712], "LOSS",3) ;
+ gMC->Gstpar(idtmed[712], "DRAY",1) ;
+ // Tracking threshold for photons and electrons in the gas ArC02
+ gMC->Gstpar(idtmed[715], "CUTGAM",1.E-5) ;
+ gMC->Gstpar(idtmed[715], "CUTELE",1.E-5) ;
+ gMC->Gstpar(idtmed[715], "CUTNEU",1.E-5) ;
+ gMC->Gstpar(idtmed[715], "CUTHAD",1.E-5) ;
+ gMC->Gstpar(idtmed[715], "CUTMUO",1.E-5) ;
+ gMC->Gstpar(idtmed[715], "BCUTE",1.E-5) ;
+ gMC->Gstpar(idtmed[715], "BCUTM",1.E-5) ;
+ gMC->Gstpar(idtmed[715], "DCUTE",1.E-5) ;
+ gMC->Gstpar(idtmed[715], "DCUTM",1.E-5) ;
+ gMC->Gstpar(idtmed[715], "PPCUTM",1.E-5) ;
+ gMC->Gstpar(idtmed[715], "LOSS",2.) ;
+ gMC->Gstpar(idtmed[715], "DRAY",0.) ;
+ gMC->Gstpar(idtmed[715], "STRA",2.) ;
+
+}
+
+//____________________________________________________________________________
+void AliPHOS::Digits2Raw()
+{
+// convert digits of the current event to raw data
+
+ // get the digits
+ AliPHOSGetter * gime = AliPHOSGetter::Instance(AliRunLoader::GetGAliceName()) ;
+ if (!gime) {
+ Error("Digits2Raw", "PHOS Getter not instantiated") ;
+ return ;
+ }
+ gime->Event(gime->EventNumber(), "D") ;
+ TClonesArray* digits = gime->Digits() ;
+
+ if (!digits) {
+ Error("Digits2Raw", "no digits found !");
+ return;
+ }
+
+ // get the geometry
+ AliPHOSGeometry* geom = gime->PHOSGeometry();
+ if (!geom) {
+ Error("Digits2Raw", "no geometry found !");
+ return;
+ }
+
+ // some digitization constants
+ const Int_t kDDLOffset = 0x600;
+ const Double_t kTimeMax = 1.28E-5;
+ const Int_t kTimeBins = 256;
+ const Double_t kTimePeak = 2.0E-6;
+ const Double_t kTimeRes = 1.5E-6;
+ const Int_t kThreshold = 3;
+ const Int_t kHighGainFactor = 40;
+ const Int_t kHighGainOffset = 0x200;
+
+ AliAltroBuffer* buffer = NULL;
+ Int_t prevDDL = -1;
+ Int_t adcValuesLow[kTimeBins];
+ Int_t adcValuesHigh[kTimeBins];
+
+ // loop over digits (assume ordered digits)
+ for (Int_t iDigit = 0; iDigit < digits->GetEntries(); iDigit++) {
+ AliPHOSDigit* digit = gime->Digit(iDigit);
+ if (digit->GetAmp() < kThreshold)
+ continue;
+ Int_t relId[4];
+ geom->AbsToRelNumbering(digit->GetId(), relId);
+ Int_t module = relId[0];
+
+ // Begin FIXME
+ if (relId[1] != 0)
+ continue; // ignore digits from CPV
+ // End FIXME
+
+ // PHOS EMCA has 4 DDL per module. Splitting is done based on the row number
+ Int_t iDDL = 4 * (module - 1) + (4 * (relId[2] - 1)) / geom->GetNPhi();
+
+ // new DDL
+ if (iDDL != prevDDL) {
+ // write real header and close previous file
+ if (buffer) {
+ buffer->Flush();
+ buffer->WriteDataHeader(kFALSE, kFALSE);
+ delete buffer;
+ }
+
+ // open new file and write dummy header
+ TString fileName("PHOS_") ;
+ fileName += (iDDL + kDDLOffset) ;
+ fileName += ".ddl" ;
+ buffer = new AliAltroBuffer(fileName.Data(), 1);
+ buffer->WriteDataHeader(kTRUE, kFALSE); //Dummy;
+
+ prevDDL = iDDL;
+ }
+
+ // out of time range signal (?)
+ if (digit->GetTime() > kTimeMax) {
+ buffer->FillBuffer(digit->GetAmp());
+ buffer->FillBuffer(kTimeBins); // time bin
+ buffer->FillBuffer(3); // bunch length
+ buffer->WriteTrailer(3, relId[3], relId[2], module); // trailer
+
+ // simulate linear rise and gaussian decay of signal
+ } else {
+ Bool_t highGain = kFALSE;
+
+ // fill time bin values :
+ // 1. the signal starts at the time given by the digit
+ // 2. the rise is linear and the maximum is reached kTimePeak after start
+ // 3. the decay is gaussian with a sigma of kTimeRes
+ // 4. the signal is binned into kTimeBins bins
+ for (Int_t iTime = 0; iTime < kTimeBins; iTime++) {
+ Double_t time = iTime * kTimeMax/kTimeBins;
+ Int_t signal = 0;
+ if (time < digit->GetTime() + kTimePeak) { // signal is rising
+ signal = static_cast<Int_t>(fRan->Rndm() + digit->GetAmp() *
+ (time - digit->GetTime()) / kTimePeak);
+ } else { // signal is decaying
+ signal = static_cast<Int_t>(fRan->Rndm() + digit->GetAmp() *
+ TMath::Gaus(time, digit->GetTime() + kTimePeak, kTimeRes));
+ }
+ if (signal < 0)
+ signal = 0;
+ adcValuesLow[iTime] = signal;
+ if (signal > 0x3FF) // larger than 10 bits
+ adcValuesLow[iTime] = 0x3FF;
+ adcValuesHigh[iTime] = signal / kHighGainFactor;
+ if (adcValuesHigh[iTime] > 0)
+ highGain = kTRUE;
+ }
+
+ // write low and eventually high gain channel
+ buffer->WriteChannel(relId[3], relId[2], module,
+ kTimeBins, adcValuesLow, kThreshold);
+ if (highGain) {
+ buffer->WriteChannel(relId[3], relId[2], module + kHighGainOffset,
+ kTimeBins, adcValuesHigh, 1);
+ }
+ }
+ }
+
+ // write real header and close last file
+ if (buffer) {
+ buffer->Flush();
+ buffer->WriteDataHeader(kFALSE, kFALSE);
+ delete buffer;
+ }
+
+ gime->PhosLoader()->UnloadDigits();
+}
+
+//____________________________________________________________________________
+void AliPHOS::Hits2SDigits()
+{
+// create summable digits
+
+ AliPHOSSDigitizer* phosDigitizer =
+ new AliPHOSSDigitizer(fLoader->GetRunLoader()->GetFileName().Data()) ;
+ phosDigitizer->SetEventRange(0, -1) ; // do all the events
+ phosDigitizer->ExecuteTask("all") ;
+}
+
+//____________________________________________________________________________
+AliLoader* AliPHOS::MakeLoader(const char* topfoldername)
+{
+//different behaviour than standard (singleton getter)
+// --> to be discussed and made eventually coherent
+ fLoader = new AliPHOSLoader(GetName(),topfoldername);
+ return fLoader;
+}
+//____________________________________________________________________________
+void AliPHOS::SetTreeAddress()
+{
+ // Links Hits in the 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("AliPHOSHit",1000);
+ //Info("SetTreeAddress","<%s> Setting Hits Address",GetName());
+ branch->SetAddress(&fHits);
+ }
+ }
}
+
+//____________________________________________________________________________
+void AliPHOS::WriteQA()
+{
+
+ // Make TreeQA in the output file.
+
+ if(fTreeQA == 0)
+ fTreeQA = new TTree("TreeQA", "QA Alarms") ;
+ // Create Alarms branches
+ Int_t bufferSize = 32000 ;
+ Int_t splitlevel = 0 ;
+
+ TFolder* topfold = GetLoader()->GetTopFolder(); //get top aliroot folder; skowron
+ TString phosqafn(AliConfig::Instance()->GetQAFolderName()+"/"); //get name of QAaut folder relative to top event; skowron
+ phosqafn+=GetName(); //hard wired string!!! add the detector name to the pathname; skowron
+ TFolder * alarmsF = (TFolder*)topfold->FindObjectAny(phosqafn); //get the folder
+
+ if (alarmsF == 0x0)
+ {
+ Error("WriteQA","Can not find folder with qa alarms");
+ return;
+ }
+ TString branchName(alarmsF->GetName());
+ TBranch * alarmsBranch = fTreeQA->Branch(branchName,"TFolder", &alarmsF, bufferSize, splitlevel);
+ TString branchTitle = branchName + " QA alarms" ;
+ alarmsBranch->SetTitle(branchTitle);
+ alarmsBranch->Fill() ;
+
+ //fTreeQA->Fill() ;
+}
+