* provided "as is" without express or implied warranty. *
**************************************************************************/
-/*
-$Log$
-*/
+/* $Id$ */
///////////////////////////////////////////////////////////////////////////////
// //
-// Zero Degree Calorimeter //
-// This class contains the basic functions for the Time Of Flight //
-// detector. Functions specific to one particular geometry are //
-// contained in the derived classes //
-// //
-//Begin_Html
-/*
-<img src="picts/AliZDCClass.gif">
-</pre>
-<br clear=left>
-<font size=+2 color=red>
-<p>The responsible person for this module is
-<a href="mailto:Eugenio.Scomparin@cern.ch">Eugenio Scomparin</a>.
-</font>
-<pre>
-*/
-//End_Html
-// //
+// Zero Degree Calorimeter //
+// This class contains the basic functions for the ZDCs; //
+// functions specific to one particular geometry are //
+// contained in the derived classes //
// //
///////////////////////////////////////////////////////////////////////////////
+// --- ROOT system
#include <TBRIK.h>
+#include <TClonesArray.h>
+#include <TGeometry.h>
#include <TNode.h>
+#include <TTree.h>
+#include <TFile.h>
+#include <TSystem.h>
+#include <TRandom.h>
-#include "AliZDC.h"
+// --- AliRoot header files
+#include "AliDetector.h"
+#include "AliRawDataHeaderSim.h"
+#include "AliRawReader.h"
+#include "AliLoader.h"
#include "AliRun.h"
-#include "AliCallf77.h"
-#include "AliConst.h"
#include "AliMC.h"
+#include "AliLog.h"
+#include "AliDAQ.h"
+#include "AliZDC.h"
+#include "AliZDCHit.h"
+#include "AliZDCSDigit.h"
+#include "AliZDCDigit.h"
+#include "AliZDCDigitizer.h"
+#include "AliZDCRawStream.h"
+#include "AliZDCPedestals.h"
+#include "AliZDCCalib.h"
+#include "AliZDCRecParam.h"
+#include "AliFstream.h"
-#ifndef WIN32
-# define zdc_init zdc_init_
-# define zdc_step zdc_step_
-# define zdc_setbeam zdc_setbeam_
-# define zdc_sethijing zdc_sethijing_
-# define zdc_setvenus zdc_setvenus_
-# define zdc_setkine zdc_setkine_
-#else
-# define zdc_step ZDC_STEP
-# define zdc_setbeam ZDC_SETBEAM
-# define zdc_sethijing ZDC_SETHIJING
-# define zdc_setvenus ZDC_SETVENUS
-# define zdc_setkine ZDC_SETKINE
-#endif
-
-extern "C" void type_of_call zdc_init();
-extern "C" void type_of_call zdc_step();
-extern "C" void type_of_call zdc_setbeam(Int_t beam, Float_t fx, Float_t fy,
- Float_t sx, Float_t sy, Float_t div,
- Float_t angle, Int_t cross);
-extern "C" void type_of_call zdc_sethijing(Int_t hij, Int_t hijf, Int_t hijsp,
- DEFCHARD DEFCHARL);
-extern "C" void type_of_call zdc_setvenus(Int_t hiv, Int_t hivf, Int_t hivsp,
- DEFCHARD DEFCHARL);
-extern "C" void type_of_call zdc_setkine(Int_t code, Float_t pmom, Float_t cx,
- Float_t cy, Float_t cz, Int_t type,
- Int_t fermi);
ClassImp(AliZDC)
-
+
//_____________________________________________________________________________
-AliZDC::AliZDC()
+AliZDC::AliZDC() :
+ AliDetector(),
+ fNoShower(0),
+ fPedCalib(0),
+ fCalibData(0),
+ fRecParam(0),
+ fZDCCalibFName("")
{
//
// Default constructor for the Zero Degree Calorimeter base class
//
- fIshunt = 0;
+
+ fIshunt = 1;
+ fNhits = 0;
+ fHits = 0;
+ fDigits = 0;
+ fNdigits = 0;
+
}
//_____________________________________________________________________________
-AliZDC::AliZDC(const char *name, const char *title)
- : AliDetector(name,title)
+AliZDC::AliZDC(const char *name, const char *title) :
+ AliDetector(name,title),
+ fNoShower (0),
+ fPedCalib(0),
+ fCalibData(0),
+ fRecParam(0),
+ fZDCCalibFName("")
{
//
// Standard constructor for the Zero Degree Calorimeter base class
//
+
+ fIshunt = 1;
+ fNhits = 0;
+ fDigits = 0;
+ fNdigits = 0;
+
+ fHits = new TClonesArray("AliZDCHit",1000);
+ gAlice->GetMCApp()->AddHitList(fHits);
+
+ char sensname[5],senstitle[25];
+ sprintf(sensname,"ZDC");
+ sprintf(senstitle,"ZDC dummy");
+ SetName(sensname); SetTitle(senstitle);
+
+}
+//____________________________________________________________________________
+AliZDC::~AliZDC()
+{
//
- // Allocate the array of hits
- fHits = new TClonesArray("AliZDChit", 405);
-
- fIshunt = 1;
+ // ZDC destructor
+ //
+
+ fIshunt = 0;
+ delete fPedCalib;
+ delete fCalibData;
+ delete fRecParam;
+
}
-
+
+//_____________________________________________________________________________
+AliZDC::AliZDC(const AliZDC& ZDC) :
+AliDetector("ZDC","ZDC"),
+fNoShower(ZDC.fNoShower),
+fPedCalib(ZDC.fPedCalib),
+fCalibData(ZDC.fCalibData),
+fRecParam(ZDC.fRecParam),
+fZDCCalibFName(ZDC.fZDCCalibFName)
+{
+ // copy constructor
+}
+
+//_____________________________________________________________________________
+AliZDC& AliZDC::operator=(const AliZDC& ZDC)
+{
+ // assignement operator
+ if(this!=&ZDC){
+ fNoShower = ZDC.fNoShower;
+ fPedCalib = ZDC.fPedCalib;
+ fCalibData = ZDC.fCalibData;
+ fRecParam = ZDC.fRecParam;
+ fZDCCalibFName = ZDC.fZDCCalibFName;
+ } return *this;
+}
+
//_____________________________________________________________________________
void AliZDC::AddHit(Int_t track, Int_t *vol, Float_t *hits)
{
//
- // Add a Zero Degree Calorimeter hit
+ // Add a ZDC hit to the hit list.
+ // -> We make use of 2 array of hits:
+ // [1] fHits (the usual one) that contains hits for each PRIMARY
+ // [2] fStHits that contains hits for each EVENT and is used to
+ // obtain digits at the end of each event
//
+
+ static Float_t primKinEn, xImpact, yImpact, sFlag;
+
+ AliZDCHit *newquad, *curprimquad;
+ newquad = new AliZDCHit(fIshunt, track, vol, hits);
TClonesArray &lhits = *fHits;
- new(lhits[fNhits++]) AliZDChit(fIshunt,track,vol,hits);
-}
+
+ if(fNhits==0){
+ // First hit -> setting flag for primary or secondary particle
+ Int_t primary = gAlice->GetMCApp()->GetPrimary(track);
+ if(track != primary){
+ newquad->SetSFlag(1); // SECONDARY particle entering the ZDC
+ }
+ else if(track == primary){
+ newquad->SetSFlag(0); // PRIMARY particle entering the ZDC
+ }
+ sFlag = newquad->GetSFlag();
+ primKinEn = newquad->GetPrimKinEn();
+ xImpact = newquad->GetXImpact();
+ yImpact = newquad->GetYImpact();
+ }
+ else{
+ newquad->SetPrimKinEn(primKinEn);
+ newquad->SetXImpact(xImpact);
+ newquad->SetYImpact(yImpact);
+ newquad->SetSFlag(sFlag);
+ }
+ Int_t j;
+ for(j=0; j<fNhits; j++){
+ // If hits are equal (same track, same volume), sum them.
+ curprimquad = (AliZDCHit*) lhits[j];
+ if(*curprimquad == *newquad){
+ *curprimquad = *curprimquad+*newquad;
+ // CH. debug
+ /*if(newquad->GetEnergy() != 0. || newquad->GetLightPMC() != 0. ||
+ newquad->GetLightPMQ() != 0.){
+ printf("\n\t --- Equal hits found\n");
+ curprimquad->Print("");
+ newquad->Print("");
+ printf("\t --- Det. %d, Quad. %d: X = %f, E = %f, LightPMC = %f, LightPMQ = %f\n",
+ curprimquad->GetVolume(0),curprimquad->GetVolume(1),curprimquad->GetXImpact(),
+ curprimquad->GetEnergy(), curprimquad->GetLightPMC(), curprimquad->GetLightPMQ());
+ }*/
+ //
+ delete newquad;
+ return;
+ }
+ }
+
+ //Otherwise create a new hit
+ new(lhits[fNhits]) AliZDCHit(*newquad);
+ fNhits++;
+ // CH. debug
+ /*printf("\n\t New ZDC hit added! fNhits = %d\n", fNhits);
+ printf("\t Det. %d, Quad.t %d: X = %f, E = %f, LightPMC = %f, LightPMQ = %f\n",
+ newquad->GetVolume(0),newquad->GetVolume(1),newquad->GetXImpact(),
+ newquad->GetEnergy(), newquad->GetLightPMC(), newquad->GetLightPMQ());
+ */
+ delete newquad;
+}
+
//_____________________________________________________________________________
void AliZDC::BuildGeometry()
{
// This routine is dummy for the moment
//
- // TNode *Node, *Top;
- // TBRIK *brik;
- // const int kColorZDC = kRed;
+ TNode *node, *top;
+ TBRIK *brik;
+ const int kColorZDC = kBlue;
//
- // Top=gAlice->GetGeometry()->GetNode("alice");
+ top=gAlice->GetGeometry()->GetNode("alice");
// ZDC
- /*
- brik = new TBRIK("S_ZDC","ZDC box","void",300,300,5);
- Top->cd();
- Node = new TNode("ZDC","ZDC","S_ZDC",0,0,600,"");
- Node->SetLineColor(kColorZDC);
- fNodes->Add(Node);
- */
+ brik = new TBRIK("S_ZDC","ZDC box","void",300,300,5);
+ top->cd();
+ node = new TNode("ZDC","ZDC","S_ZDC",0,0,600,"");
+ node->SetLineColor(kColorZDC);
+ fNodes->Add(node);
}
-//_____________________________________________________________________________
-Int_t AliZDC::DistancetoPrimitive(Int_t , Int_t )
+//____________________________________________________________________________
+Float_t AliZDC::ZMin(void) const
{
- //
- // Distance from the mouse to the Zero Degree Calorimeter
- // Dummy routine
- //
- return 9999;
+ // Minimum dimension of the ZDC module in z
+ return -11600.;
}
-
-//_____________________________________________________________________________
-void AliZDC::SetBeam(Int_t beam, Float_t fx, Float_t fy, Float_t sx,
- Float_t sy, Float_t div, Float_t angle, Int_t cross)
-{
- //
- // Set beam characteristic
- // This routine has to be revised as it is disconnected from the
- // actual generation in this version of AliRoot
- //
- // beam : 1 = gaussian beam
- // : 2 = uniform beam
- // fx : x-coordinate of beam offset
- // fy : y-coordinate of beam offset
- // sx : sigma-x of the beam (gaussian or uniform)
- // sy : sigma-y of the beam (gaussian or uniform)
- // div : divergency of the beam (32*10**-6 rad for LHC)
- // angle : beam crossing angle (100*10**-6 rad for LHC)
- // cross : 1 = horizontal beam crossing
- // : 2 = vertical beam crossing
- zdc_setbeam(beam,fx,fy,sx,sy,div,angle,cross);
+//____________________________________________________________________________
+Float_t AliZDC::ZMax(void) const
+{
+ // Maximum dimension of the ZDC module in z
+ return -11750.;
}
+
//_____________________________________________________________________________
-void AliZDC::SetHijing(Int_t hij, Int_t hijf, Int_t hijsp, const char *file)
+void AliZDC::MakeBranch(Option_t *opt)
{
//
- // Set the parameter for the HIJING generation
- // This routine has to be revised as it is disconnected from the
- // actual generation in this version of AliRoot
+ // Create Tree branches for the ZDC
//
- // HIJ : 1 = read HIJING event file
- // : 2 = " " " " + debug
- // HIJF : event number of the first event to be read from file
- // HIJSP: 0 = read all particles
- // : 1 = remove spectator nucleons
- zdc_sethijing(hij,hijf,hijsp, PASSCHARD(file) PASSCHARL(file));
+ char branchname[10];
+ sprintf(branchname,"%s",GetName());
+
+ const char *cH = strstr(opt,"H");
+
+ if(cH && fLoader->TreeH())
+ fHits = new TClonesArray("AliZDCHit",1000);
+
+ AliDetector::MakeBranch(opt);
}
//_____________________________________________________________________________
-void AliZDC::SetVenus(Int_t hiv, Int_t hivf, Int_t hivsp, const char *file)
+void AliZDC::Hits2SDigits()
{
- //
- // Set the parameter for the VENUS generation
- // This routine has to be revised as it is disconnected from the
- // actual generation in this version of AliRoot
- //
+ // Create summable digits from hits
+
+ AliDebug(1,"\n Entering AliZDC::Hits2SDigits() ");
+
+ fLoader->LoadHits("read");
+ fLoader->LoadSDigits("recreate");
+ AliRunLoader* runLoader = fLoader->GetRunLoader();
+ AliZDCSDigit sdigit;
+ AliZDCSDigit* psdigit = &sdigit;
- // HIV : 1 = read VENUS event file
- // : 2 = " " " " + debug
- // HIVF : event number of the first event to be read from file
- // HIVSP: 0 = read all particles
- // : 1 = remove spectator nucleons
- zdc_setvenus(hiv,hivf,hivsp, PASSCHARD(file) PASSCHARL(file));
-}
+ // Event loop
+ for(Int_t iEvent = 0; iEvent < runLoader->GetNumberOfEvents(); iEvent++) {
+ Float_t pmCZNC=0, pmCZPC=0, pmCZNA=0, pmCZPA=0, pmZEM1 = 0, pmZEM2 = 0;
+ Float_t pmQZNC[4], pmQZPC[4], pmQZNA[4], pmQZPA[4];
+ for(Int_t i = 0; i < 4; i++) pmQZNC[i] = pmQZPC[i] = pmQZNA[i] = pmQZPA[i] = 0;
-//_____________________________________________________________________________
-void AliZDC::SetKine(Int_t code, Float_t pmom, Float_t cx, Float_t cy,
- Float_t cz, Int_t type, Int_t fermi)
-{
- //
- // Set the parameter for the event generation
- // This routine has to be revised as it is disconnected from the
- // actual generation in this version of AliRoot
- //
+ runLoader->GetEvent(iEvent);
+ TTree* treeH = fLoader->TreeH();
+ Int_t ntracks = (Int_t) treeH->GetEntries();
+ ResetHits();
- // code : GEANT code of the test particle
- // pmom : absolute value of particle momentum
- // cx,cy,cz : director cosines of the track (if type)
- // type : 0 = take director cosines from cx,cy,cz
- // : <>0 = pseudorapidity of the test particle
- // fermi : 0 = no Fermi motion for the spectator nucleons
- // : 1 = Fermi motion for the spectator nucleons
- zdc_setkine(code,pmom,cx,cy,cz,type,fermi);
-}
-
-//_____________________________________________________________________________
-void AliZDC::StepManager()
-{
- //
- // Routine called at every step in the Zero Degree Calorimeter
- // This is a simple interface to the FORTRAN routine
- // A step manager should be written
- //
- zdc_step();
-}
+ // Tracks loop
+ Int_t sector[2];
+ for(Int_t itrack = 0; itrack < ntracks; itrack++) {
+ treeH->GetEntry(itrack);
+ for(AliZDCHit* zdcHit = (AliZDCHit*)FirstHit(-1); zdcHit;
+ zdcHit = (AliZDCHit*)NextHit()) {
+
+ sector[0] = zdcHit->GetVolume(0);
+ sector[1] = zdcHit->GetVolume(1);
+ if((sector[1] < 1) || (sector[1] > 5)) {
+ Error("Hits2SDigits", "sector[0] = %d, sector[1] = %d",
+ sector[0], sector[1]);
+ continue;
+ }
+ Float_t lightQ = zdcHit->GetLightPMQ();
+ Float_t lightC = zdcHit->GetLightPMC();
+
+ if(sector[0] == 1) { //ZNC
+ pmCZNC += lightC;
+ pmQZNC[sector[1]-1] += lightQ;
+ }
+ else if(sector[0] == 2) { //ZPC
+ pmCZPC += lightC;
+ pmQZPC[sector[1]-1] += lightQ;
+ }
+ else if(sector[0] == 3) { //ZEM
+ if(sector[1] == 1) pmZEM1 += lightC;
+ else pmZEM2 += lightQ;
+ }
+ if(sector[0] == 4) { //ZNA
+ pmCZNA += lightC;
+ pmQZNA[sector[1]-1] += lightQ;
+ }
+ else if(sector[0] == 5) { //ZPA
+ pmCZPA += lightC;
+ pmQZPA[sector[1]-1] += lightQ;
+ }
+ }//Hits loop
+ }
-
-ClassImp(AliZDCv1)
-
+ // create the output tree
+ fLoader->MakeTree("S");
+ TTree* treeS = fLoader->TreeS();
+ const Int_t kBufferSize = 4000;
+ treeS->Branch(GetName(), "AliZDCSDigit", &psdigit, kBufferSize);
-///////////////////////////////////////////////////////////////////////////////
-// //
-// Zero Degree Calorimeter version 1 //
-// //
-//Begin_Html
-/*
-<img src="picts/AliZDCv1Class.gif">
-*/
-//End_Html
-// //
-// //
-///////////////////////////////////////////////////////////////////////////////
+ // Create sdigits for ZNC
+ sector[0] = 1; // Detector = ZNC
+ sector[1] = 0; // Common PM ADC
+ new(psdigit) AliZDCSDigit(sector, pmCZNC);
+ if(pmCZNC > 0) treeS->Fill();
+ for(Int_t j = 0; j < 4; j++) {
+ sector[1] = j+1; // Towers PM ADCs
+ new(psdigit) AliZDCSDigit(sector, pmQZNC[j]);
+ if(pmQZNC[j] > 0) treeS->Fill();
+ }
+
+ // Create sdigits for ZPC
+ sector[0] = 2; // Detector = ZPC
+ sector[1] = 0; // Common PM ADC
+ new(psdigit) AliZDCSDigit(sector, pmCZPC);
+ if(pmCZPC > 0) treeS->Fill();
+ for(Int_t j = 0; j < 4; j++) {
+ sector[1] = j+1; // Towers PM ADCs
+ new(psdigit) AliZDCSDigit(sector, pmQZPC[j]);
+ if(pmQZPC[j] > 0) treeS->Fill();
+ }
-//_____________________________________________________________________________
-AliZDCv1::AliZDCv1() : AliZDC()
-{
- //
- // Default constructor for Zero Degree Calorimeter
- //
+ // Create sdigits for ZEM
+ sector[0] = 3;
+ sector[1] = 1; // Detector = ZEM1
+ new(psdigit) AliZDCSDigit(sector, pmZEM1);
+ if(pmZEM1 > 0) treeS->Fill();
+ sector[1] = 2; // Detector = ZEM2
+ new(psdigit) AliZDCSDigit(sector, pmZEM2);
+ if(pmZEM2 > 0) treeS->Fill();
+
+ // Create sdigits for ZNA
+ sector[0] = 4; // Detector = ZNA
+ sector[1] = 0; // Common PM ADC
+ new(psdigit) AliZDCSDigit(sector, pmCZNA);
+ if(pmCZNA > 0) treeS->Fill();
+ for(Int_t j = 0; j < 4; j++) {
+ sector[1] = j+1; // Towers PM ADCs
+ new(psdigit) AliZDCSDigit(sector, pmQZNA[j]);
+ if(pmQZNA[j] > 0) treeS->Fill();
+ }
+
+ // Create sdigits for ZPA
+ sector[0] = 5; // Detector = ZPA
+ sector[1] = 0; // Common PM ADC
+ new(psdigit) AliZDCSDigit(sector, pmCZPA);
+ if(pmCZPA > 0) treeS->Fill();
+ for(Int_t j = 0; j < 4; j++) {
+ sector[1] = j+1; // Towers PM ADCs
+ new(psdigit) AliZDCSDigit(sector, pmQZPA[j]);
+ if(pmQZPA[j] > 0) treeS->Fill();
+ }
+
+ // write the output tree
+ fLoader->WriteSDigits("OVERWRITE");
+ }
+
+ fLoader->UnloadHits();
+ fLoader->UnloadSDigits();
}
-
+
//_____________________________________________________________________________
-AliZDCv1::AliZDCv1(const char *name, const char *title)
- : AliZDC(name,title)
+AliDigitizer* AliZDC::CreateDigitizer(AliRunDigitizer* manager) const
{
- //
- // Standard constructor for Zero Degree Calorimeter
- //
+ // Create the digitizer for ZDC
+
+ return new AliZDCDigitizer(manager);
}
-
+
//_____________________________________________________________________________
-void AliZDCv1::CreateGeometry()
+void AliZDC::Digits2Raw()
{
+ // Convert ZDC digits to raw data
+
+ // Format: 24 int values -> ZN1(C+Q1-4), ZP1(C+Q1-4), ZEM1, ZEM2, ZN(C+Q1-4), ZP2(C+Q1-4), 2 Ref PMs
+ // + 24 int values for the corresponding out of time channels
+ // For the CAEN module V965 we have an Header, the Data Words and an End Of Block
+ // 12 channels x 2 gain chains read from 1st ADC module
+ // 12 channels x 2 gain chains read from 2nd ADC module
+ // 12 channels x 2 gain chains read from 3rd ADC module (o.o.t.)
+ // 12 channels x 2 gain chains read from 4rth ADC module (o.o.t.)
+ //
+ const int knADCData1=24, knADCData2=24; // In principle the 2 numbers can be different!
+ UInt_t lADCHeader1;
+ UInt_t lADCHeader2;
+ UInt_t lADCData1[knADCData1];
+ UInt_t lADCData2[knADCData2];
+ UInt_t lADCData3[knADCData1];
+ UInt_t lADCData4[knADCData2];
+ //
+ UInt_t lADCEndBlock;
+
+ // load the digits
+ fLoader->LoadDigits("read");
+ AliZDCDigit digit;
+ AliZDCDigit* pdigit = &digit;
+ TTree* treeD = fLoader->TreeD();
+ if(!treeD) return;
+ treeD->SetBranchAddress("ZDC", &pdigit);
+ //printf("\t AliZDC::Digits2Raw -> TreeD has %d entries\n",(Int_t) treeD->GetEntries());
+
+ // Fill data array
+ // ADC header
+ UInt_t lADCHeaderGEO = 0;
+ UInt_t lADCHeaderCRATE = 0;
+ UInt_t lADCHeaderCNT1 = knADCData1;
+ UInt_t lADCHeaderCNT2 = knADCData2;
+
+ lADCHeader1 = lADCHeaderGEO << 27 | 0x1 << 25 | lADCHeaderCRATE << 16 |
+ lADCHeaderCNT1 << 8 ;
+ lADCHeader2 = lADCHeaderGEO << 27 | 0x1 << 25 | lADCHeaderCRATE << 16 |
+ lADCHeaderCNT2 << 8 ;
+
+ // ADC data word
+ UInt_t lADCDataGEO = lADCHeaderGEO;
+ //
+ UInt_t lADCDataValue1[knADCData1];
+ UInt_t lADCDataValue2[knADCData2];
+ UInt_t lADCDataValue3[knADCData1];
+ UInt_t lADCDataValue4[knADCData2];
+ //
+ UInt_t lADCDataOvFlw1[knADCData1];
+ UInt_t lADCDataOvFlw2[knADCData2];
+ UInt_t lADCDataOvFlw3[knADCData1];
+ UInt_t lADCDataOvFlw4[knADCData2];
+ //
+ for(Int_t i=0; i<knADCData1 ; i++){
+ lADCDataValue1[i] = 0;
+ lADCDataOvFlw1[i] = 0;
+ lADCDataValue3[i] = 0;
+ lADCDataOvFlw3[i] = 0;
+ }
+ for(Int_t i=0; i<knADCData2 ; i++){
+ lADCDataValue2[i] = 0;
+ lADCDataOvFlw2[i] = 0;
+ lADCDataValue4[i] = 0;
+ lADCDataOvFlw4[i] = 0;
+ }
+ //
+ UInt_t lADCDataChannel = 0;
+
+ // loop over digits
+ for(Int_t iDigit=0; iDigit<treeD->GetEntries(); iDigit++){
+ treeD->GetEntry(iDigit);
+ if(!pdigit) continue;
+ //digit.Print("");
+
+ // *** ADC data
+ Int_t index=0;
+ if(digit.GetSector(1)!=5){ // ZDC signal channels
+ // *** ADC1 (ZN1, ZP1, ZEM1,2) or ADC3 (ZN1, ZP1, ZEM1,2 o.o.t.)
+ if(digit.GetSector(0)==1 || digit.GetSector(0)==2 || digit.GetSector(0)==3){
+ if(digit.GetSector(0)==1 || digit.GetSector(0)==2){
+ index = (digit.GetSector(0)-1) + 4*digit.GetSector(1); // ZN1 or ZP1
+ lADCDataChannel = 8*(digit.GetSector(0)-1) + digit.GetSector(1);
+ }
+ else if(digit.GetSector(0)==3){ // ZEM 1,2
+ index = 20 + (digit.GetSector(1)-1);
+ lADCDataChannel = 5 + 8*(digit.GetSector(1)-1);
+ }
+ //
+ /*printf("\t AliZDC::Digits2Raw -> idig%d det %d quad %d index %d, ADCch %d ADCVal[%d, %d]\n",
+ iDigit,digit.GetSector(0),digit.GetSector(1),index,lADCDataChannel,
+ digit.GetADCValue(0),digit.GetADCValue(1));// Ch. debug
+ */
+ //
+ if(iDigit<knADCData1){ // *** In-time signals
+ lADCDataValue1[index] = digit.GetADCValue(0); // High gain ADC ch.
+ if(lADCDataValue1[index] > 2047) lADCDataOvFlw1[index] = 1;
+ lADCDataValue1[index+2] = digit.GetADCValue(1); // Low gain ADC ch.
+ if(lADCDataValue1[index+2] > 2047) lADCDataOvFlw1[index+2] = 1;
+
+ lADCData1[index] = lADCDataGEO << 27 | 0x1 << 24 | lADCDataChannel << 17 |
+ lADCDataOvFlw1[index] << 12 | (lADCDataValue1[index] & 0xfff);
+ lADCData1[index+2] = lADCDataGEO << 27 | 0x1 << 24 | lADCDataChannel << 17 | 0x1 << 16 |
+ lADCDataOvFlw1[index+2] << 12 | (lADCDataValue1[index+2] & 0xfff);
+ }
+ else{ // *** Out-of-time signals
+ lADCDataValue3[index] = digit.GetADCValue(0); // High gain ADC ch.
+ if(lADCDataValue3[index] > 2047) lADCDataOvFlw3[index] = 1;
+ lADCDataValue3[index+2] = digit.GetADCValue(1); // Low gain ADC ch.
+ if(lADCDataValue3[index+2] > 2047) lADCDataOvFlw3[index+2] = 1;
+
+ lADCData3[index] = lADCDataGEO << 27 | lADCDataChannel << 17 |
+ lADCDataOvFlw3[index] << 12 | (lADCDataValue3[index] & 0xfff);
+ lADCData3[index+2] = lADCDataGEO << 27 | lADCDataChannel << 17 | 0x1 << 16 |
+ lADCDataOvFlw3[index+2] << 12 | (lADCDataValue3[index+2] & 0xfff);
+ }
+ }
+ // *** ADC2 (ZN2, ZP2) or ADC4 (ZN2, ZP2 o.o.t.)
+ else if(digit.GetSector(0)==4 || digit.GetSector(0)==5){
+ index = (digit.GetSector(0)-4) + 4*digit.GetSector(1); // ZN2 or ZP2
+ lADCDataChannel = 8*(digit.GetSector(0)-4) + digit.GetSector(1);
+ //
+ /*printf("\t AliZDC::Digits2Raw -> idig%d det %d quad %d index %d, ADCch %d ADCVal[%d, %d]\n",
+ iDigit,digit.GetSector(0),digit.GetSector(1),index,lADCDataChannel,
+ digit.GetADCValue(0),digit.GetADCValue(1));// Ch. debug
+ */
+ //
+ if(iDigit<knADCData2){ // *** In-time signals
+ lADCDataValue2[index] = digit.GetADCValue(0);
+ if(lADCDataValue2[index] > 2047) lADCDataOvFlw2[index] = 1;
+ lADCDataValue2[index+2] = digit.GetADCValue(1);
+ if(lADCDataValue2[index+2] > 2047) lADCDataOvFlw2[index+2] = 1;
+ //
+ lADCData2[index] = lADCDataGEO << 27 | lADCDataChannel << 17 |
+ lADCDataOvFlw2[index] << 12 | (lADCDataValue2[index] & 0xfff);
+ lADCData2[index+2] = lADCDataGEO << 27 | lADCDataChannel << 17 | 0x1 << 16 |
+ lADCDataOvFlw2[index+2] << 12 | (lADCDataValue2[index+2] & 0xfff);
+ }
+ else{ // *** Out-of-time signals
+ lADCDataValue4[index] = digit.GetADCValue(0);
+ if(lADCDataValue4[index] > 2047) lADCDataOvFlw4[index] = 1;
+ lADCDataValue4[index+2] = digit.GetADCValue(1);
+ if(lADCDataValue4[index+2] > 2047) lADCDataOvFlw4[index+2] = 1;
+ //
+ lADCData4[index] = lADCDataGEO << 27 | lADCDataChannel << 17 |
+ lADCDataOvFlw4[index] << 12 | (lADCDataValue4[index] & 0xfff);
+ lADCData4[index+2] = lADCDataGEO << 27 | lADCDataChannel << 17 | 0x1 << 16 |
+ lADCDataOvFlw4[index+2] << 12 | (lADCDataValue4[index+2] & 0xfff);
+ }
+ }
+ }
+ // *** ADC2 (Reference PTMs) or ADC4 (Reference PTMs o.o.t.)
+ else if(digit.GetSector(1)==5){
+ index = 20 + (digit.GetSector(0)-1)/3;
+ lADCDataChannel = 5 + 8*(digit.GetSector(0)-1)/3;
+ //
+ /*printf("\t AliZDC::Digits2Raw -> idig%d det %d quad %d index %d, ADCch %d ADCVal[%d, %d]\n",
+ iDigit,digit.GetSector(0),digit.GetSector(1),index,lADCDataChannel,
+ digit.GetADCValue(0),digit.GetADCValue(1));// Ch. debug
+ */
+ //
+ if(iDigit<knADCData2){ // *** In-time signals
+ lADCDataValue2[index] = digit.GetADCValue(0);
+ if(lADCDataValue2[index] > 2047) lADCDataOvFlw2[index] = 1;
+ lADCDataValue2[index+2] = digit.GetADCValue(1);
+ if(lADCDataValue2[index+2] > 2047) lADCDataOvFlw2[index+2] = 1;
+ //
+ lADCData2[index] = lADCDataGEO << 27 | lADCDataChannel << 17 |
+ lADCDataOvFlw2[index] << 12 | (lADCDataValue2[index] & 0xfff);
+ lADCData2[index+2] = lADCDataGEO << 27 | lADCDataChannel << 17 | 0x1 << 16 |
+ lADCDataOvFlw2[index+2] << 12 | (lADCDataValue2[index+2] & 0xfff);
+ }
+ else{ // *** Out-of-time signals
+ lADCDataValue4[index] = digit.GetADCValue(0);
+ if(lADCDataValue4[index] > 2047) lADCDataOvFlw4[index] = 1;
+ lADCDataValue4[index+2] = digit.GetADCValue(1);
+ if(lADCDataValue4[index+2] > 2047) lADCDataOvFlw4[index+2] = 1;
+ //
+ lADCData4[index] = lADCDataGEO << 27 | lADCDataChannel << 17 |
+ lADCDataOvFlw4[index] << 12 | (lADCDataValue4[index] & 0xfff);
+ lADCData4[index+2] = lADCDataGEO << 27 | lADCDataChannel << 17 | 0x1 << 16 |
+ lADCDataOvFlw4[index+2] << 12 | (lADCDataValue4[index+2] & 0xfff);
+ }
+
+ }
+ if((index<0) || (index>23)) {
+ Error("Digits2Raw", "sector[0] = %d, sector[1] = %d",
+ digit.GetSector(0), digit.GetSector(1));
+ continue;
+ }
+
+
+ }
//
- // Create the geometry for the Zero Degree Calorimeter version 1
- // -- Author : E Scomparin
- //
- //Begin_Html
/*
- <img src="picts/AliZDCv1.gif">
+ for(Int_t i=0;i<knADCData1;i++) printf("\t ADCData1[%d] = %x\n",i,lADCData1[i]);
+ for(Int_t i=0;i<knADCData2;i++) printf("\t ADCData2[%d] = %x\n",i,lADCData2[i]);
+ for(Int_t i=0;i<knADCData1;i++) printf("\t ADCData3[%d] = %x\n",i,lADCData3[i]);
+ for(Int_t i=0;i<knADCData2;i++) printf("\t ADCData4[%d] = %x\n",i,lADCData4[i]);
*/
- //End_Html
- //Begin_Html
- /*
- <img src="picts/AliZDCv1Tree.gif">
+
+ // End of Block
+ UInt_t lADCEndBlockGEO = lADCHeaderGEO;
+ UInt_t lADCEndBlockEvCount = gAlice->GetEventNrInRun();
+ //
+ lADCEndBlock = lADCEndBlockGEO << 27 | 0x1 << 26 | lADCEndBlockEvCount;
+ //printf("\t AliZDC::Digits2Raw -> ADCEndBlock = %d\n",lADCEndBlock);
+
+
+ // open the output file
+ char fileName[30];
+ strcpy(fileName,AliDAQ::DdlFileName("ZDC",0));
+
+ AliFstream* file = new AliFstream(fileName);
+
+ // write the DDL data header
+ AliRawDataHeaderSim header;
+ header.fSize = sizeof(header) +
+ sizeof(lADCHeader1) + sizeof(lADCData1) + sizeof(lADCEndBlock) +
+ sizeof(lADCHeader2) + sizeof(lADCData2) + sizeof(lADCEndBlock) +
+ sizeof(lADCHeader1) + sizeof(lADCData3) + sizeof(lADCEndBlock) +
+ sizeof(lADCHeader2) + sizeof(lADCData4) + sizeof(lADCEndBlock);
+ //
+ /*printf("sizeof header = %d, ADCHeader1 = %d, ADCData1 = %d, ADCEndBlock = %d\n",
+ sizeof(header),sizeof(lADCHeader1),sizeof(lADCData1),sizeof(lADCEndBlock));
+ printf("sizeof header = %d, ADCHeader2 = %d, ADCData2 = %d, ADCEndBlock = %d\n",
+ sizeof(header),sizeof(lADCHeader2),sizeof(lADCData2),sizeof(lADCEndBlock));
*/
- //End_Html
+ //
+ header.SetAttribute(0); // valid data
+ file->WriteBuffer((char*)(&header), sizeof(header));
- // The following variables were illegaly initialized in zdc_init.
- // These variables should become data members of this class
- // once zdc_init has been converted
- //* Initialize COMMON block ZDC_CGEOM
- //*
-
- const Int_t NZPTX=4;
- const Int_t NZPTY=1;
- const Int_t NZNTX=2;
- const Int_t NZNTY=2;
-
- Float_t HDZN[3] = {4.0,4.0,50.0};
- Float_t HDZP[3] = {10.0,6.0,75.0};
- // Coordinates of the center of the ZDC front face in the MRS
- Float_t ZNPOS[3] = {-0.5,0.,11613.};
- Float_t ZPPOS[3] = {-21.0,0.,11563.};
- Float_t FIZN[3] = {0.,0.01825,50.0};
- Float_t FIZP[3] = {0.,0.01825,75.0};
- Float_t GRZN[3] = {0.025,0.025,50.0};
- Float_t GRZP[3] = {0.040,0.040,75.0};
- Int_t NCEN[3] = {11,11,0};
- Int_t NCEP[3] = {10,10,0};
-
- Float_t angle;
- Float_t zq, conpar[9], tubpar[3];
- Int_t im1, im2;
- Float_t zd1, zd2;
-
-
- Int_t *idtmed = fIdtmed->GetArray()-799;
-
- // -- Mother of the ZDC
- conpar[0] = 0.;
- conpar[1] = 360.;
- conpar[2] = 2.;
- conpar[3] = 1920.;
- conpar[4] = 0.;
- conpar[5] = 55.;
- conpar[6] = 13060.;
- conpar[7] = 0.;
- conpar[8] = 55.;
- gMC->Gsvolu("ZDC ", "PCON", idtmed[891], conpar, 9);
- gMC->Gspos("ZDC ", 1, "ALIC", 0., 0., 0., 0, "ONLY");
- // -- FIRST SECTION OF THE BEAM PIPE (from compensator dipole to
- // beginning of D1)
-
- zd1 = 1920.;
-
- tubpar[0] = 2.3;
- tubpar[1] = 2.5;
- tubpar[2] = 1961.75;
- gMC->Gsvolu("P001", "TUBE", idtmed[851], tubpar, 3);
- gMC->Gspos("P001", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
-
- //-- SECOND SECTION OF THE BEAM PIPE (FROM THE END OF D1 TO THE BEGINNING OF
- // D2)
-
- zd1 = 6316.+472.5;
-
- tubpar[0] = 7.3/2.;
- tubpar[1] = 7.7/2.;
- tubpar[2] = 90.*0.5;
- gMC->Gsvolu("P002", "TUBE", idtmed[851], tubpar, 3);
- gMC->Gspos("P002", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
-
- zd1 += tubpar[2] * 2.;
-
- tubpar[0] = 7.3/2.;
- tubpar[1] = 7.7/2.;
- tubpar[2] = 10.*0.5;
- gMC->Gsvolu("P003", "TUBE", idtmed[851], tubpar, 3);
- gMC->Gspos("P003", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
-
- zd1 += tubpar[2] * 2.;
-
- conpar[0] = 3.16/2.;
- conpar[1] = 7.3/2.;
- conpar[2] = 7.7/2.;
- conpar[3] = 9.8/2.;
- conpar[4] = 10.0/2.;
- gMC->Gsvolu("P004", "CONE", idtmed[851], conpar, 5);
- gMC->Gspos("P004", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY");
-
- zd1 += conpar[0] * 2.;
-
- tubpar[0] = 9.8/2.;
- tubpar[1] = 10.0/2;
- tubpar[2] = 490./2.;
- gMC->Gsvolu("P005", "TUBE", idtmed[851], tubpar, 3);
- gMC->Gspos("P005", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
-
- zd1 += tubpar[2] * 2.;
-
- conpar[0] = 30./2.;
- conpar[1] = 9.8/2.;
- conpar[2] = 10.0/2.;
- conpar[3] = 20.4/2.;
- conpar[4] = 20.6/2.;
- gMC->Gsvolu("P006", "CONE", idtmed[851], conpar, 5);
- gMC->Gspos("P006", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY");
-
- zd1 += conpar[0] * 2.;
-
- tubpar[0] = 20.4/2.;
- tubpar[1] = 20.6/2.;
- tubpar[2] = 150./2.;
- gMC->Gsvolu("P007", "TUBE", idtmed[851], tubpar, 3);
- gMC->Gspos("P007", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
-
- zd1 += tubpar[2] * 2.;
-
- conpar[0] = 13.6/2.;
- conpar[1] = 20.4/2.;
- conpar[2] = 20.6/2.;
- conpar[3] = 25.2/2.;
- conpar[4] = 25.4/2.;
- gMC->Gsvolu("P008", "CONE", idtmed[851], conpar, 5);
- gMC->Gspos("P008", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY");
-
- zd1 += conpar[0] * 2.;
-
- tubpar[0] = 25.2/2.;
- tubpar[1] = 25.4/2.;
- tubpar[2] = 205.8/2.;
- gMC->Gsvolu("P009", "TUBE", idtmed[851], tubpar, 3);
- gMC->Gspos("P009", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
-
- zd1 += tubpar[2] * 2.;
-
- tubpar[0] = 43.8/2.;
- tubpar[1] = 44.0/2.;
- tubpar[2] = 500./2.;
- gMC->Gsvolu("P010", "TUBE", idtmed[851], tubpar, 3);
- gMC->Gspos("P010", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
-
- zd1 += tubpar[2] * 2.;
-
- tubpar[0] = 31.8/2.;
- tubpar[1] = 32.0/2.;
- tubpar[2] = 757.5/2.;
- gMC->Gsvolu("P011", "TUBE", idtmed[851], tubpar, 3);
- gMC->Gspos("P011", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
-
- zd1 += tubpar[2] * 2.;
-
- conpar[0] = 22.7/2.;
- conpar[1] = 31.8/2.;
- conpar[2] = 32.0/2.;
- conpar[3] = 39.8/2.;
- conpar[4] = 40.0/2.;
- gMC->Gsvolu("P012", "CONE", idtmed[851], conpar, 5);
- gMC->Gspos("P012", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY");
-
- zd1 += conpar[0] * 2.;
-
- tubpar[0] = 39.8/2.;
- tubpar[1] = 40.0/2.;
- tubpar[2] = 100./2.;
- gMC->Gsvolu("P013", "TUBE", idtmed[851], tubpar, 3);
- gMC->Gspos("P013", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
-
- zd1 += tubpar[2] * 2.;
-
- tubpar[0] = 39.8/2.;
- tubpar[1] = 40.0/2.;
- tubpar[2] = 600./2.;
- gMC->Gsvolu("P014", "TUBE", idtmed[851], tubpar, 3);
- gMC->Gspos("P014", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
-
- zd1 += tubpar[2] * 2.;
-
- conpar[0] = 28.4/2.;
- conpar[1] = 39.8/2.;
- conpar[2] = 40.0/2.;
- conpar[3] = 49.8/2.;
- conpar[4] = 50.0/2.;
- gMC->Gsvolu("P015", "CONE", idtmed[851], conpar, 5);
- gMC->Gspos("P015", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY");
-
- zd1 += conpar[0] * 2.;
-
- tubpar[0] = 49.8/2.;
- tubpar[1] = 50.0/2.;
- tubpar[2] = 100./2.;
- gMC->Gsvolu("P016", "TUBE", idtmed[851], tubpar, 3);
- gMC->Gspos("P016", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
-
- zd1 += tubpar[2] * 2.;
-
- tubpar[0] = 49.8/2.;
- tubpar[1] = 50.0/2.;
- tubpar[2] = 600./2.;
- gMC->Gsvolu("P017", "TUBE", idtmed[851], tubpar, 3);
- gMC->Gspos("P017", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
-
- zd1 += tubpar[2] * 2.;
-
- conpar[0] = 28.4/2.;
- conpar[1] = 49.8/2.;
- conpar[2] = 50.0/2.;
- conpar[3] = 59.8/2.;
- conpar[4] = 60.0/2.;
- gMC->Gsvolu("P018", "CONE", idtmed[851], conpar, 5);
- gMC->Gspos("P018", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY");
-
- zd1 += conpar[0] * 2.;
-
- tubpar[0] = 59.8/2.;
- tubpar[1] = 60.0/2.;
- tubpar[2] = 50./2.;
- gMC->Gsvolu("P019", "TUBE", idtmed[851], tubpar, 3);
- gMC->Gspos("P019", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
-
- zd1 += tubpar[2] * 2.;
-
- tubpar[0] = 59.8/2.;
- tubpar[1] = 60.0/2.;
- tubpar[2] = 800./2.;
- gMC->Gsvolu("P020", "TUBE", idtmed[851], tubpar, 3);
- gMC->Gspos("P020", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
-
- zd1 += tubpar[2] * 2.;
-
- tubpar[0] = 0.;
- tubpar[1] = 60.0/2.;
- tubpar[2] = 0.2/2.;
- gMC->Gsvolu("P021", "TUBE", idtmed[851], tubpar, 3);
- gMC->Gspos("P021", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
-
- zd1 += tubpar[2] * 2.;
-
- tubpar[0] = 0.;
- tubpar[1] = 4.4/2.;
- tubpar[2] = 0.2/2.;
- gMC->Gsvolu("Q021", "TUBE", idtmed[889], tubpar, 3);
- tubpar[0] = 0.;
- tubpar[1] = 7.0/2.;
- tubpar[2] = 0.2/2.;
- gMC->Gsvolu("R021", "TUBE", idtmed[889], tubpar, 3);
- // -- POSITION Q021 INSIDE P021
- gMC->Gspos("Q021", 1, "P021", -7.7, 0., 0., 0, "ONLY");
- // -- POSITION R020 INSIDE P020
- gMC->Gspos("R021", 1, "P021", 7.7, 0., 0., 0, "ONLY");
-
- // -- BEAM PIPES BETWEEN END OF CONICAL PIPE AND BEGINNING OF D2
- tubpar[0] = 4.0/2.;
- tubpar[1] = 4.4/2.;
- tubpar[2] = 645.*0.5;
- gMC->Gsvolu("P022", "TUBE", idtmed[851], tubpar, 3);
- tubpar[0] = 7.0/2.;
- tubpar[1] = 7.4/2.;
- tubpar[2] = 645.*0.5;
- gMC->Gsvolu("P023", "TUBE", idtmed[851], tubpar, 3);
-
- // -- ROTATE PIPES
- AliMatrix(im1, 90.-0.071, 0., 90., 90., .071, 180.);
- angle = .071*kDegrad;
- gMC->Gspos("P022", 1, "ZDC ", TMath::Sin(angle) * 322.5 - 9.7 +
- TMath::Sin(angle) * 472.5, 0., tubpar[2] + zd1, im1, "ONLY");
- AliMatrix(im2, 90.+0.071, 0., 90., 90., .071, 0.);
- gMC->Gspos("P023", 1, "ZDC ", 9.7 - TMath::Sin(angle) * 322.5, 0.,
- tubpar[2] + zd1, im2, "ONLY");
-
- // -- END OF BEAM PIPE VOLUME DEFINITION. MAGNET DEFINITION FOLLOWS
- // (LHC OPTICS 6)
-
- // -- COMPENSATOR DIPOLE (MCBWA)
- // GAP (VACUUM WITH MAGNETIC FIELD)
-
- tubpar[0] = 0.;
- tubpar[1] = 4.5;
- tubpar[2] = 190./2.;
- gMC->Gsvolu("MCBW", "TUBE", idtmed[890], tubpar, 3);
- gMC->Gspos("MCBW", 1, "ZDC ", 0., 0., tubpar[2] + 1920., 0, "ONLY");
-
- // -- YOKE (IRON WITHOUT MAGNETIC FIELD)
-
- tubpar[0] = 4.5;
- tubpar[1] = 55.;
- tubpar[2] = 190./2.;
- gMC->Gsvolu("YMCB", "TUBE", idtmed[851], tubpar, 3);
- gMC->Gspos("YMCB", 1, "ZDC ", 0., 0., tubpar[2] + 1920., 0, "ONLY");
-
- // -- INNER TRIPLET
-
- zq = 2300.;
-
- // -- DEFINE MQXL AND MQX QUADRUPOLE ELEMENT
-
- // MQXL
- // -- GAP (VACUUM WITH MAGNETIC FIELD)
-
- tubpar[0] = 0.;
- tubpar[1] = 3.5;
- tubpar[2] = 630./2.;
- gMC->Gsvolu("MQXL", "TUBE", idtmed[890], tubpar, 3);
-
- // -- YOKE
-
- tubpar[0] = 3.5;
- tubpar[1] = 22.;
- tubpar[2] = 630./2.;
- gMC->Gsvolu("YMQL", "TUBE", idtmed[851], tubpar, 3);
-
- gMC->Gspos("MQXL", 1, "ZDC ", 0., 0., tubpar[2] + zq, 0, "ONLY");
- gMC->Gspos("YMQL", 1, "ZDC ", 0., 0., tubpar[2] + zq, 0, "ONLY");
-
- gMC->Gspos("MQXL", 2, "ZDC ", 0., 0., tubpar[2] + zq + 2430., 0, "ONLY");
- gMC->Gspos("YMQL", 2, "ZDC ", 0., 0., tubpar[2] + zq + 2430., 0, "ONLY");
-
- // -- MQX
- // -- GAP (VACUUM WITH MAGNETIC FIELD)
-
- tubpar[0] = 0.;
- tubpar[1] = 3.5;
- tubpar[2] = 550./2.;
- gMC->Gsvolu("MQX ", "TUBE", idtmed[890], tubpar, 3);
-
- // -- YOKE
-
- tubpar[0] = 3.5;
- tubpar[1] = 22.;
- tubpar[2] = 550./2.;
- gMC->Gsvolu("YMQ ", "TUBE", idtmed[851], tubpar, 3);
-
- gMC->Gspos("MQX ", 1, "ZDC ", 0., 0., tubpar[2] + zq + 880., 0, "ONLY");
- gMC->Gspos("YMQ ", 1, "ZDC ", 0., 0., tubpar[2] + zq + 880., 0, "ONLY");
-
- gMC->Gspos("MQX ", 2, "ZDC ", 0., 0., tubpar[2] + zq + 1530., 0, "ONLY");
- gMC->Gspos("YMQ ", 2, "ZDC ", 0., 0., tubpar[2] + zq + 1530., 0, "ONLY");
-
- // -- SEPARATOR DIPOLE D1
-
- zd1 = 5843.5;
-
- // -- GAP (VACUUM WITH MAGNETIC FIELD)
-
- tubpar[0] = 0.;
- tubpar[1] = 4.5;
- tubpar[2] = 945/2.;
- gMC->Gsvolu("D1 ", "TUBE", idtmed[890], tubpar, 3);
-
- // -- YOKE
-
- tubpar[0] = 0.;
- tubpar[1] = 55.;
- tubpar[2] = 945/2.;
- gMC->Gsvolu("YD1 ", "TUBE", idtmed[851], tubpar, 3);
-
- gMC->Gspos("YD1 ", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
- gMC->Gspos("D1 ", 1, "YD1 ", 0., 0., 0., 0, "ONLY");
-
- // -- DIPOLE D2
-
- zd2 = 12113.2;
-
- // -- GAP (VACUUM WITH MAGNETIC FIELD)
-
- tubpar[0] = 0.;
- tubpar[1] = 4.5;
- tubpar[2] = 945./2.;
- gMC->Gsvolu("D2 ", "TUBE", idtmed[890], tubpar, 3);
-
- // -- YOKE
-
- tubpar[0] = 0.;
- tubpar[1] = 55.;
- tubpar[2] = 945./2.;
- gMC->Gsvolu("YD2 ", "TUBE", idtmed[851], tubpar, 3);
-
- gMC->Gspos("YD2 ", 1, "ZDC ", 0., 0., tubpar[2] + zd2, 0, "ONLY");
-
- gMC->Gspos("D2 ", 1, "YD2 ", -9.7, 0., 0., 0, "ONLY");
- gMC->Gspos("D2 ", 2, "YD2 ", 9.7, 0., 0., 0, "ONLY");
-
- // -- END OF MAGNET DEFINITION
-
- // ----------------- Hadronic calorimeters -------------------- *
-
- // Neutron calorimeter
-
- gMC->Gsvolu("ZNEU", "BOX ", idtmed[800], HDZN, 3); // Passive material
- gMC->Gsvolu("ZNFI", "TUBE", idtmed[802], FIZN, 3); // Active material
- gMC->Gsvolu("ZNGR", "BOX ", idtmed[889], GRZN, 3); // Empty grooves
-
- // Divide ZNEU in towers
- // (for hits purposes)
-
- gMC->Gsdvn("ZNTX", "ZNEU", NZNTX, 1); // x-tower
- gMC->Gsdvn("ZN1 ", "ZNTX", NZNTY, 2); // y-tower
-
- // Divide ZNEU in minitowers
- // (NCEN(1)= NUMBER OF FIBERS PER TOWER ALONG X-AXIS,
- // NCEN(2)= NUMBER OF FIBERS PER TOWER ALONG Y-AXIS)
- // (one fiber per minitower)
-
- gMC->Gsdvn("ZNSL", "ZN1 ", NCEN[1], 2); // Slices
- gMC->Gsdvn("ZNST", "ZNSL", NCEN[0], 1); // Sticks
-
- // --- Position the empty grooves in the sticks
- gMC->Gspos("ZNGR", 1, "ZNST", 0., 0., 0., 0, "ONLY");
- // --- Position the fibers in the grooves
- gMC->Gspos("ZNFI", 1, "ZNGR", 0., 0., 0., 0, "ONLY");
- // --- Position the neutron calorimeter in ZDC
- gMC->Gspos("ZNEU", 1, "ZDC ", ZNPOS[0], ZNPOS[1], ZNPOS[2] + HDZN[2], 0, "ONLY");
-
- // Proton calorimeter
-
- gMC->Gsvolu("ZPRO", "BOX ", idtmed[801], HDZP, 3); // Passive material
- gMC->Gsvolu("ZPFI", "TUBE", idtmed[802], FIZP, 3); // Active material
- gMC->Gsvolu("ZPGR", "BOX ", idtmed[889], GRZP, 3); // Empty grooves
-
- // Divide ZPRO in towers
- // (for hits purposes)
-
- gMC->Gsdvn("ZPTX", "ZPRO", NZPTX, 1); // x-tower
- gMC->Gsdvn("ZP1 ", "ZPTX", NZPTY, 2); // y-tower
-
-
- // Divide ZPRO in minitowers
- // (NCEP[0]= NUMBER OF FIBERS ALONG X-AXIS PER MINITOWER,
- // NCEP[1]= NUMBER OF FIBERS ALONG Y-AXIS PER MINITOWER)
- // (one fiber per minitower)
-
- gMC->Gsdvn("ZPSL", "ZP1 ", NCEP[1], 2); // Slices
- gMC->Gsdvn("ZPST", "ZPSL", NCEP[0], 1); // Sticks
-
- // --- Position the empty grooves in the sticks
- gMC->Gspos("ZPGR", 1, "ZPST", 0., 0., 0., 0, "ONLY");
- // --- Position the fibers in the grooves
- gMC->Gspos("ZPFI", 1, "ZPGR", 0., 0., 0., 0, "ONLY");
- // --- Position the proton calorimeter in ZDC
- gMC->Gspos("ZPRO", 1, "ZDC ", ZPPOS[0], ZPPOS[1], ZPPOS[2] + HDZP[2], 0, "ONLY");
-
+ // write the raw data and close the file
+ file->WriteBuffer((char*) &lADCHeader1, sizeof (lADCHeader1));
+ file->WriteBuffer((char*)(lADCData1), sizeof(lADCData1));
+ file->WriteBuffer((char*) &lADCEndBlock, sizeof(lADCEndBlock));
+ file->WriteBuffer((char*) &lADCHeader2, sizeof (lADCHeader2));
+ file->WriteBuffer((char*)(lADCData2), sizeof(lADCData2));
+ file->WriteBuffer((char*) &lADCEndBlock, sizeof(lADCEndBlock));
+ file->WriteBuffer((char*) &lADCHeader1, sizeof (lADCHeader1));
+ file->WriteBuffer((char*)(lADCData3), sizeof(lADCData3));
+ file->WriteBuffer((char*) &lADCEndBlock, sizeof(lADCEndBlock));
+ file->WriteBuffer((char*) &lADCHeader2, sizeof (lADCHeader2));
+ file->WriteBuffer((char*)(lADCData4), sizeof(lADCData4));
+ file->WriteBuffer((char*) &lADCEndBlock, sizeof(lADCEndBlock));
+ delete file;
+
+ // unload the digits
+ fLoader->UnloadDigits();
}
-
+
//_____________________________________________________________________________
-void AliZDCv1::DrawModule()
+Bool_t AliZDC::Raw2SDigits(AliRawReader* rawReader)
{
- //
- // Draw a shaded view of the Zero Degree Calorimeter version 1
- //
-
- // Set everything unseen
- gMC->Gsatt("*", "seen", -1);
- //
- // Set ALIC mother transparent
- gMC->Gsatt("ALIC","SEEN",0);
- //
- // Set the volumes visible
- gMC->Gsatt("ZDC","SEEN",0);
- gMC->Gsatt("P001","SEEN",1);
- gMC->Gsatt("P002","SEEN",1);
- gMC->Gsatt("P003","SEEN",1);
- gMC->Gsatt("P004","SEEN",1);
- gMC->Gsatt("P005","SEEN",1);
- gMC->Gsatt("P006","SEEN",1);
- gMC->Gsatt("P007","SEEN",1);
- gMC->Gsatt("P008","SEEN",1);
- gMC->Gsatt("P009","SEEN",1);
- gMC->Gsatt("P010","SEEN",1);
- gMC->Gsatt("P011","SEEN",1);
- gMC->Gsatt("P012","SEEN",1);
- gMC->Gsatt("P013","SEEN",1);
- gMC->Gsatt("P014","SEEN",1);
- gMC->Gsatt("P015","SEEN",1);
- gMC->Gsatt("P016","SEEN",1);
- gMC->Gsatt("P017","SEEN",1);
- gMC->Gsatt("P018","SEEN",1);
- gMC->Gsatt("P019","SEEN",1);
- gMC->Gsatt("P020","SEEN",1);
- gMC->Gsatt("P021","SEEN",1);
- gMC->Gsatt("Q021","SEEN",1);
- gMC->Gsatt("R021","SEEN",1);
- gMC->Gsatt("P022","SEEN",1);
- gMC->Gsatt("P023","SEEN",1);
- gMC->Gsatt("D1 ","SEEN",1);
- gMC->Gsatt("YD1 ","SEEN",1);
- gMC->Gsatt("D2 ","SEEN",1);
- gMC->Gsatt("YD2 ","SEEN",1);
- gMC->Gsatt("MCBW","SEEN",1);
- gMC->Gsatt("YMCB","SEEN",1);
- gMC->Gsatt("MQXL","SEEN",1);
- gMC->Gsatt("YMQL","SEEN",1);
- gMC->Gsatt("MQX","SEEN",1);
- gMC->Gsatt("YMQ","SEEN",1);
- gMC->Gsatt("D1","SEEN",1);
- gMC->Gsatt("YD1","SEEN",1);
- gMC->Gsatt("D2","SEEN",1);
- gMC->Gsatt("YD2","SEEN",1);
- gMC->Gsatt("ZNEU","SEEN",0);
- gMC->Gsatt("ZNFI","SEEN",0);
- gMC->Gsatt("ZNGR","SEEN",0);
- gMC->Gsatt("ZNTX","SEEN",0);
- gMC->Gsatt("ZN1 ","COLO",2);
- gMC->Gsatt("ZN1 ","SEEN",1);
- gMC->Gsatt("ZNSL","SEEN",0);
- gMC->Gsatt("ZNST","SEEN",0);
- gMC->Gsatt("ZPRO","SEEN",0);
- gMC->Gsatt("ZPFI","SEEN",0);
- gMC->Gsatt("ZPGR","SEEN",0);
- gMC->Gsatt("ZPTX","SEEN",0);
- gMC->Gsatt("ZP1 ","SEEN",1);
- gMC->Gsatt("ZPSL","SEEN",0);
- gMC->Gsatt("ZPST","SEEN",0);
+ // Convert ZDC raw data to Sdigits
- //
- gMC->Gdopt("hide", "on");
- gMC->Gdopt("shad", "on");
- gMC->Gsatt("*", "fill", 7);
- gMC->SetClipBox(".");
- gMC->SetClipBox("*", 0, 100, -100, 100, 12000, 16000);
- gMC->DefaultRange();
- gMC->Gdraw("alic", 40, 30, 0, 488, 220, .07, .07);
- gMC->Gdhead(1111, "Zero Degree Calorimeter Version 1");
- gMC->Gdman(18, 4, "MAN");
+ AliLoader* loader = (gAlice->GetRunLoader())->GetLoader("ZDCLoader");
+ if(!loader) {
+ AliError("no ZDC loader found");
+ return kFALSE;
+ }
+
+// // Event loop
+ Int_t iEvent = 0;
+ while(rawReader->NextEvent()){
+ (gAlice->GetRunLoader())->GetEvent(iEvent++);
+ // Create the output digit tree
+ TTree* treeS = loader->TreeS();
+ if(!treeS){
+ loader->MakeTree("S");
+ treeS = loader->TreeS();
+ }
+ //
+ AliZDCSDigit sdigit;
+ AliZDCSDigit* psdigit = &sdigit;
+ const Int_t kBufferSize = 4000;
+ treeS->Branch("ZDC", "AliZDCSDigit", &psdigit, kBufferSize);
+ //
+ AliZDCRawStream rawStream(rawReader);
+ Int_t sector[2], resADC, rawADC, corrADC, nPheVal;
+ Int_t jcount = 0;
+ while(rawStream.Next()){
+ if(rawStream.IsADCDataWord()){
+ //For the moment only in-time SDigits are foreseen (1st 48 raw values)
+ if(jcount < 48){
+ for(Int_t j=0; j<2; j++) sector[j] = rawStream.GetSector(j);
+ rawADC = rawStream.GetADCValue();
+ resADC = rawStream.GetADCGain();
+ //printf("\t RAw2SDigits raw%d -> RawADC[%d, %d, %d] read\n",
+ // jcount, sector[0], sector[1], rawADC);
+ //
+ corrADC = rawADC - Pedestal(sector[0], sector[1], resADC);
+ if(corrADC<0) corrADC=0;
+ nPheVal = ADCch2Phe(sector[0], sector[1], corrADC, resADC);
+ //
+ //printf("\t \t -> SDigit[%d, %d, %d] created\n",
+ // sector[0], sector[1], nPheVal);
+ //
+ new(psdigit) AliZDCSDigit(sector, (Float_t) nPheVal);
+ treeS->Fill();
+ jcount++;
+ }
+ }//IsADCDataWord
+ }//rawStream.Next
+ // write the output tree
+ fLoader->WriteSDigits("OVERWRITE");
+ fLoader->UnloadSDigits();
+ }//Event loop
+
+ return kTRUE;
}
//_____________________________________________________________________________
-void AliZDCv1::CreateMaterials()
+Int_t AliZDC::Pedestal(Int_t Det, Int_t Quad, Int_t Res) const
{
+ // Returns a pedestal for detector det, PM quad, channel with res.
//
- // Create Materials for the Zero Degree Calorimeter
+ // Getting calibration object for ZDC set
+ AliCDBManager *man = AliCDBManager::Instance();
+ AliCDBEntry *entry = man->Get("ZDC/Calib/Pedestals");
+ AliZDCPedestals *calibPed = (AliZDCPedestals*) entry->GetObject();
//
- // Origin : E. Scomparin
-
- Int_t *idtmed = fIdtmed->GetArray()-799;
-
- Float_t dens, ubuf[1], wmat[2];
- Int_t isvol_active;
- Float_t a[2];
- Int_t i;
- Float_t z[2], epsil=0.001, stmin=0.01;
- Int_t isvol;
- Float_t fieldm = gAlice->Field()->Max();
- Int_t inofld;
- Float_t deemax=-1;
- Float_t tmaxfd=gAlice->Field()->Max();
- Int_t isxfld = gAlice->Field()->Integ();
- Float_t stemax;
-
- // --- Store in UBUF r0 for nuclear radius calculation R=r0*A**1/3
-
- // --- Tungsten
- ubuf[0] = 1.11;
- AliMaterial(1, "TUNG", 183.85, 74., 19.3, .35, 10.3, ubuf, 1);
-
- // --- Brass (CuZn)
- dens = 8.48;
- a[0] = 63.546;
- a[1] = 65.39;
- z[0] = 29.;
- z[1] = 30.;
- wmat[0] = .63;
- wmat[1] = .37;
- AliMixture(2, "BRASS ", a, z, dens, 2, wmat);
-
- // --- SiO2
- dens = 2.64;
- a[0] = 28.086;
- a[1] = 15.9994;
- z[0] = 14.;
- z[1] = 8.;
- wmat[0] = 1.;
- wmat[1] = 2.;
- AliMixture(3, "SIO2 ", a, z, dens, -2, wmat);
-
- // --- Lead
- ubuf[0] = 1.12;
- AliMaterial(4, "LEAD", 207.19, 82., 11.35, .56, 18.5, ubuf, 1);
-
- // --- Copper
- ubuf[0] = 1.1;
- AliMaterial(5, "COPP", 63.54, 29., 8.96, 1.4, 0., ubuf, 1);
-
- // --- Tantalum
- ubuf[0] = 1.1;
- AliMaterial(6, "TANT", 180.95, 73., 16.65, .4, 11.9, ubuf, 1);
-
- // Steel still to be added
-
- // --- Iron
- ubuf[0] = 1.1;
- AliMaterial(52, "IRON", 55.85, 26., 7.87, 1.76, 0., ubuf, 1);
-
- // --- Vacuum (no magnetic field)
- AliMaterial(90, "VOID", 1e-16, 1e-16, 1e-16, 1e16, 1e16, ubuf,0);
-
- // --- Vacuum (magnetic field)
- AliMaterial(91, "VOIM", 1e-16, 1e-16, 1e-16, 1e16, 1e16, ubuf,0);
-
- // --- Air non magnetic
- AliMaterial(92, "Air $", 14.61, 7.3, .001205, 30420., 67500., ubuf, 0);
-
- // --- Definition of tracking media:
-
- // --- Tungsten = 801 ;
- // --- Brass = 802 ;
- // --- Fibers (SiO2) = 803 ;
- // --- Lead = 804 ;
- // --- Copper = 805 ;
- // --- Tantalum = 806 ;
- // --- Steel = 851 ;
- // --- Iron = 852 ;
- // --- Vacuum (no field) = 890
- // --- Vacuum (with field) = 891
- // --- Air (no field) = 892
-
-
- // --- Tracking media parameters
- epsil = .01;
- stemax = 1.;
- isvol = 0;
- isvol_active = 1;
- inofld = 0;
- fieldm = 0.;
-
- AliMedium(1, "ZW", 1, isvol_active, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
- AliMedium(2, "ZBRASS", 2, isvol_active, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
- AliMedium(3, "ZSIO2", 3, isvol_active, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
- AliMedium(4, "ZLEAD", 4, isvol_active, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
- AliMedium(5, "ZCOPP", 5, isvol_active, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
- AliMedium(6, "ZTANT", 6, isvol_active, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
- AliMedium(52, "ZIRON", 52, isvol, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
- AliMedium(90, "ZVOID", 90, isvol, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
- AliMedium(92, "Air", 92, 0, inofld, fieldm, tmaxfd, stemax,deemax, epsil, stmin);
-
- fieldm = 45.;
- // AliMedium(91, "ZVOIM", 91, isvol, isxfld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
- AliMedium(91, "ZVOIM", 91, isvol, isxfld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
-
- // Thresholds for showering in the ZDCs
-
- i = 801;
- gMC->Gstpar(idtmed[i-1], "CUTGAM", .01);
- gMC->Gstpar(idtmed[i-1], "CUTELE", .01);
- gMC->Gstpar(idtmed[i-1], "CUTNEU", .1);
- gMC->Gstpar(idtmed[i-1], "CUTHAD", .1);
- i = 802;
- gMC->Gstpar(idtmed[i-1], "CUTGAM", .01);
- gMC->Gstpar(idtmed[i-1], "CUTELE", .01);
- gMC->Gstpar(idtmed[i-1], "CUTNEU", .1);
- gMC->Gstpar(idtmed[i-1], "CUTHAD", .1);
-
- // Avoid too detailed showering along the beam line
+ if(!calibPed){
+ printf("\t No calibration object found for ZDC!");
+ return -1;
+ }
+ //
+ Int_t index=0, kNch=24;
+ if(Quad!=5){
+ if(Det==1) index = Quad+kNch*Res; // ZN1
+ else if(Det==2) index = Quad+5+kNch*Res; // ZP1
+ else if(Det==3) index = Quad+9+kNch*Res; // ZEM
+ else if(Det==4) index = Quad+12+kNch*Res; // ZN2
+ else if(Det==5) index = Quad+17+kNch*Res; // ZP2
+ }
+ else index = (Det-1)/3+22+kNch*Res; // Reference PMs
+ //
+ //
+ Float_t meanPed = calibPed->GetMeanPed(index);
+ Float_t pedWidth = calibPed->GetMeanPedWidth(index);
+ Float_t pedValue = gRandom->Gaus(meanPed,pedWidth);
+ //
+ //printf("\t AliZDC::Pedestal - det(%d, %d) - Ped[%d] = %d\n",Det, Quad, index,(Int_t) pedValue); // Chiara debugging!
- i = 852;
- gMC->Gstpar(idtmed[i-1], "CUTGAM", .1);
- gMC->Gstpar(idtmed[i-1], "CUTELE", .1);
- gMC->Gstpar(idtmed[i-1], "CUTNEU", 1.);
- gMC->Gstpar(idtmed[i-1], "CUTHAD", 1.);
- // Avoid interaction in fibers (only energy loss allowed)
- i = 803;
- gMC->Gstpar(idtmed[i-1], "DCAY", 0.);
- gMC->Gstpar(idtmed[i-1], "MULS", 0.);
- gMC->Gstpar(idtmed[i-1], "PFIS", 0.);
- gMC->Gstpar(idtmed[i-1], "MUNU", 0.);
- gMC->Gstpar(idtmed[i-1], "LOSS", 1.);
- gMC->Gstpar(idtmed[i-1], "PHOT", 0.);
- gMC->Gstpar(idtmed[i-1], "COMP", 0.);
- gMC->Gstpar(idtmed[i-1], "PAIR", 0.);
- gMC->Gstpar(idtmed[i-1], "BREM", 0.);
- gMC->Gstpar(idtmed[i-1], "DRAY", 0.);
- gMC->Gstpar(idtmed[i-1], "ANNI", 0.);
- gMC->Gstpar(idtmed[i-1], "HADR", 0.);
+
+ return (Int_t) pedValue;
}
-ClassImp(AliZDChit)
-
+
//_____________________________________________________________________________
-AliZDChit::AliZDChit(Int_t shunt, Int_t track, Int_t *vol, Float_t *hits):
- AliHit(shunt, track)
+Int_t AliZDC::ADCch2Phe(Int_t Det, Int_t Quad, Int_t ADCVal, Int_t Res) const
{
- //
- // Add a Zero Degree Calorimeter hit
- //
- Int_t i;
- for (i=0;i<4;i++) fVolume[i] = vol[i];
- fX=hits[0];
- fY=hits[1];
- fZ=hits[2];
- fEnergy=hits[3];
+ // Evaluation of the no. of phe produced
+ Float_t pmGain[6][5];
+ Float_t resADC[2];
+ for(Int_t j = 0; j < 5; j++){
+ pmGain[0][j] = 50000.;
+ pmGain[1][j] = 100000.;
+ pmGain[2][j] = 100000.;
+ pmGain[3][j] = 50000.;
+ pmGain[4][j] = 100000.;
+ pmGain[5][j] = 100000.;
+ }
+ // ADC Caen V965
+ resADC[0] = 0.0000008; // ADC Resolution high gain: 200 fC/adcCh
+ resADC[1] = 0.0000064; // ADC Resolution low gain: 25 fC/adcCh
+ //
+ Int_t nPhe = (Int_t) (ADCVal * pmGain[Det-1][Quad] * resADC[Res]);
+ //
+ //printf("\t AliZDC::ADCch2Phe -> det(%d, %d) - ADC %d phe %d\n",Det,Quad,ADCVal,nPhe);
+
+ return nPhe;
+}
+
+//______________________________________________________________________
+void AliZDC::SetTreeAddress(){
+
+ // Set branch address for the Trees.
+ if(fLoader->TreeH() && (fHits == 0x0))
+ fHits = new TClonesArray("AliZDCHit",1000);
+
+ AliDetector::SetTreeAddress();
}