+/**************************************************************************
+ * 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. *
+ **************************************************************************/
+
+/* $Id$ */
+
///////////////////////////////////////////////////////////////////////////////
// //
-// 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="gif/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 //
// //
///////////////////////////////////////////////////////////////////////////////
+#include <stdlib.h>
+#include <Riostream.h>
+
+// --- ROOT system
#include <TBRIK.h>
+#include <TDirectory.h>
+#include <TF1.h>
+#include <TFile.h>
+#include <TGeometry.h>
#include <TNode.h>
+#include <TTree.h>
+#include <TVirtualMC.h>
+// --- AliRoot header files
+#include "AliDetector.h"
#include "AliZDC.h"
-#include "AliRun.h"
-#include "AliCallf77.h"
+#include "AliZDCDigit.h"
+#include "AliZDCHit.h"
+#include "AliZDCMergedHit.h"
+#include "AliZDCMerger.h"
+#include "AliZDCReco.h"
+
#include "AliConst.h"
+
+#include "AliHeader.h"
+#include "AliLoader.h"
+#include "AliRun.h"
#include "AliMC.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)
//
// Default constructor for the Zero Degree Calorimeter base class
//
- fIshunt = 0;
+
+ fIshunt = 1;
+ fNoShower = 0;
+
+ fMerger = 0;
+ fHits = 0;
+ fNhits = 0;
+
+ fDigits = 0;
+ fNdigits = 0;
+
+ fMergedHits = 0;
+
+ fNRecPoints = 0;
+ fRecPoints = 0;
+
}
//_____________________________________________________________________________
// Standard constructor for the Zero Degree Calorimeter base class
//
+ fIshunt = 1;
+ fNoShower = 0;
+ fMerger = 0;
+
+ // Allocate the hits array
+ fHits = new TClonesArray("AliZDCHit",1000);
+ gAlice->GetMCApp()->AddHitList(fHits);
+ // Allocate the merged hits array
+ fMergedHits = new TClonesArray("AliZDCMergedHit",1000);
+
+ // Allocate the digits array
+ fDigits = new TClonesArray("AliZDCDigit",1000);
+
+ fNRecPoints = 0;
+ fRecPoints = 0;
+
+}
+//____________________________________________________________________________
+AliZDC::~AliZDC()
+{
//
- // Allocate the array of hits
- fHits = new TClonesArray("AliZDChit", 405);
+ // ZDC destructor
+ //
+
+ fIshunt = 0;
- fIshunt = 1;
+ if(fMerger) delete fMerger;
+
}
-
//_____________________________________________________________________________
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;
+ delete newquad;
+ return;
+ }
+ }
+
+ //Otherwise create a new hit
+ new(lhits[fNhits]) AliZDCHit(newquad);
+ fNhits++;
+
+ delete newquad;
+}
+
+//_____________________________________________________________________________
+void AliZDC::AddDigit(Int_t *sect, Int_t digit)
+{
+//
+ AliZDCDigit *newdigit;
+ newdigit = new AliZDCDigit(sect, digit);
+
+// printf("\n AddDigit -> sector[0] = %d, sector[1] = %d, digit = %d",
+// sect[0], sect[1], digit);
+ new((*fDigits)[fNdigits]) AliZDCDigit(*newdigit);
+ fNdigits++;
+ delete newdigit;
+}
+
//_____________________________________________________________________________
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);
- */
+ top->cd();
+ node = new TNode("ZDC","ZDC","S_ZDC",0,0,600,"");
+ node->SetLineColor(kColorZDC);
+ fNodes->Add(node);
}
//_____________________________________________________________________________
//
return 9999;
}
-
-//_____________________________________________________________________________
-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::ZMin(void) const
+{
+ // Minimum dimension of the ZDC module in z
+ return 11600.;
}
-//_____________________________________________________________________________
-void AliZDC::SetHijing(Int_t hij, Int_t hijf, Int_t hijsp, const char *file)
+//____________________________________________________________________________
+Float_t AliZDC::ZMax(void) const
{
- //
- // 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
- //
-
- // 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));
+ // Maximum dimension of the ZDC module in z
+ return 11750.;
}
+
//_____________________________________________________________________________
-void AliZDC::SetVenus(Int_t hiv, Int_t hivf, Int_t hivsp, const char *file)
+ void AliZDC::MakeBranch(Option_t *opt, const char *file)
{
//
- // 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 Tree branches for the ZDC
//
- // 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));
+ 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);
+
+ const char *cS = strstr(opt,"S");
+
+ if (fLoader->TreeS() && cS) {
+ if(fMergedHits!=0) fMergedHits->Clear();
+ else fMergedHits = new TClonesArray ("AliZDCMergedHit",1000);
+ MakeBranchInTree(fLoader->TreeS(),
+ branchname, &fMergedHits, fBufferSize, file) ;
+ if (GetDebug()) printf("* AliZDC::MakeBranch * Making Branch %s for SDigits\n\n",branchname);
+ }
+
+
+ const char *cD = strstr(opt,"D");
+
+ if (fLoader->TreeD() && cD) {
+ if(fDigits!=0) fDigits->Clear();
+ else fDigits = new TClonesArray ("AliZDCDigit",1000);
+ MakeBranchInTree(fLoader->TreeD(),
+ branchname, &fDigits, fBufferSize, file) ;
+ if (GetDebug()) printf("* AliZDC::MakeBranch * Making Branch %s for Digits\n\n",branchname);
+ }
+
+
+ const char *cR = strstr(opt,"R");
+
+ if (fLoader->TreeR() && cR) {
+ if(fRecPoints==0) fRecPoints = new TClonesArray("AliZDCReco",1000);
+ MakeBranchInTree(fLoader->TreeR(),
+ branchname, &fRecPoints, fBufferSize, file) ;
+ if (GetDebug()) printf("* AliZDC::MakeBranch * Making Branch %s for RecPoints\n\n",branchname); }
+
}
//_____________________________________________________________________________
-void AliZDC::SetKine(Int_t code, Float_t pmom, Float_t cx, Float_t cy,
- Float_t cz, Int_t type, Int_t fermi)
+ void AliZDC::MakeBranchInTreeS(TTree *treeS, const char *file)
{
- //
- // 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
- //
+ // MakeBranchInTree
+ const Int_t kBufferSize = 4000;
+ char branchname[20];
+ sprintf(branchname,"%s",GetName());
+ if (fMergedHits==0x0) fMergedHits = new TClonesArray("AliZDCMergedHit",1000);
+ MakeBranchInTree(treeS, branchname, &fMergedHits, kBufferSize, file) ;
+ if (GetDebug()) printf("* AliZDC::MakeBranch * Making Branch %s for SDigits\n\n",branchname);
- // 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()
+ void AliZDC::MakeBranchInTreeD(TTree *treeD, const char *file)
{
- //
- // 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();
-}
-
-
-ClassImp(AliZDCv1)
-
-
-///////////////////////////////////////////////////////////////////////////////
-// //
-// Zero Degree Calorimeter version 1 //
-// //
-//Begin_Html
-/*
-<img src="gif/AliZDCv1Class.gif">
-*/
-//End_Html
-// //
-// //
-///////////////////////////////////////////////////////////////////////////////
+ // MakeBranchInTree
+ const Int_t kBufferSize = 4000;
+ char branchname[20];
+ sprintf(branchname,"%s",GetName());
+ if (fDigits == 0x0) fDigits = new TClonesArray("AliZDCDigit",1000);
+ MakeBranchInTree(treeD, branchname, &fDigits, kBufferSize, file) ;
+ if (GetDebug()) printf("* AliZDC::MakeBranch * Making Branch %s for Digits\n\n",branchname);
-//_____________________________________________________________________________
-AliZDCv1::AliZDCv1() : AliZDC()
-{
- //
- // Default constructor for Zero Degree Calorimeter
- //
}
-
//_____________________________________________________________________________
-AliZDCv1::AliZDCv1(const char *name, const char *title)
- : AliZDC(name,title)
+ void AliZDC::MakeBranchInTreeR(TTree *treeR, const char *file)
{
- //
- // Standard constructor for Zero Degree Calorimeter
- //
+ // MakeBranchInTree
+ const Int_t kBufferSize = 4000;
+ char branchname[20];
+ sprintf(branchname,"%s",GetName());
+ MakeBranchInTree(treeR, branchname, &fRecPoints, kBufferSize, file) ;
+ if (GetDebug()) printf("* AliZDC::MakeBranch * Making Branch %s for RecPoints\n\n",branchname);
+
}
-
//_____________________________________________________________________________
-void AliZDCv1::CreateGeometry()
+void AliZDC::Hits2SDigits()
{
- //
- // Create the geometry for the Zero Degree Calorimeter version 1
- // -- Author : E Scomparin
- //
- //Begin_Html
- /*
- <img src="gif/AliZDCv1.gif">
- */
- //End_Html
- //Begin_Html
- /*
- <img src="gif/AliZDCv1Tree.gif">
- */
- //End_Html
-
- // 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
- //*
-
- AliMC* pMC = AliMC::GetMC();
-
- 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 = gAlice->Idtmed();
-
- // -- 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.;
- pMC->Gsvolu("ZDC ", "PCON", idtmed[891], conpar, 9);
- pMC->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;
- pMC->Gsvolu("P001", "TUBE", idtmed[851], tubpar, 3);
- pMC->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;
- pMC->Gsvolu("P002", "TUBE", idtmed[851], tubpar, 3);
- pMC->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;
- pMC->Gsvolu("P003", "TUBE", idtmed[851], tubpar, 3);
- pMC->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.;
- pMC->Gsvolu("P004", "CONE", idtmed[851], conpar, 5);
- pMC->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.;
- pMC->Gsvolu("P005", "TUBE", idtmed[851], tubpar, 3);
- pMC->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.;
- pMC->Gsvolu("P006", "CONE", idtmed[851], conpar, 5);
- pMC->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.;
- pMC->Gsvolu("P007", "TUBE", idtmed[851], tubpar, 3);
- pMC->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.;
- pMC->Gsvolu("P008", "CONE", idtmed[851], conpar, 5);
- pMC->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.;
- pMC->Gsvolu("P009", "TUBE", idtmed[851], tubpar, 3);
- pMC->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.;
- pMC->Gsvolu("P010", "TUBE", idtmed[851], tubpar, 3);
- pMC->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.;
- pMC->Gsvolu("P011", "TUBE", idtmed[851], tubpar, 3);
- pMC->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.;
- pMC->Gsvolu("P012", "CONE", idtmed[851], conpar, 5);
- pMC->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.;
- pMC->Gsvolu("P013", "TUBE", idtmed[851], tubpar, 3);
- pMC->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.;
- pMC->Gsvolu("P014", "TUBE", idtmed[851], tubpar, 3);
- pMC->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.;
- pMC->Gsvolu("P015", "CONE", idtmed[851], conpar, 5);
- pMC->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.;
- pMC->Gsvolu("P016", "TUBE", idtmed[851], tubpar, 3);
- pMC->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.;
- pMC->Gsvolu("P017", "TUBE", idtmed[851], tubpar, 3);
- pMC->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.;
- pMC->Gsvolu("P018", "CONE", idtmed[851], conpar, 5);
- pMC->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.;
- pMC->Gsvolu("P019", "TUBE", idtmed[851], tubpar, 3);
- pMC->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.;
- pMC->Gsvolu("P020", "TUBE", idtmed[851], tubpar, 3);
- pMC->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.;
- pMC->Gsvolu("P021", "TUBE", idtmed[851], tubpar, 3);
- pMC->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.;
- pMC->Gsvolu("Q021", "TUBE", idtmed[889], tubpar, 3);
- tubpar[0] = 0.;
- tubpar[1] = 7.0/2.;
- tubpar[2] = 0.2/2.;
- pMC->Gsvolu("R021", "TUBE", idtmed[889], tubpar, 3);
- // -- POSITION Q021 INSIDE P021
- pMC->Gspos("Q021", 1, "P021", -7.7, 0., 0., 0, "ONLY");
- // -- POSITION R020 INSIDE P020
- pMC->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;
- pMC->Gsvolu("P022", "TUBE", idtmed[851], tubpar, 3);
- tubpar[0] = 7.0/2.;
- tubpar[1] = 7.4/2.;
- tubpar[2] = 645.*0.5;
- pMC->Gsvolu("P023", "TUBE", idtmed[851], tubpar, 3);
-
- // -- ROTATE PIPES
- AliMatrix(im1, 90.-0.071, 0., 90., 90., .071, 180.);
- angle = .071*kDegrad;
- pMC->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.);
- pMC->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.;
- pMC->Gsvolu("MCBW", "TUBE", idtmed[890], tubpar, 3);
- pMC->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.;
- pMC->Gsvolu("YMCB", "TUBE", idtmed[851], tubpar, 3);
- pMC->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.;
- pMC->Gsvolu("MQXL", "TUBE", idtmed[890], tubpar, 3);
-
- // -- YOKE
-
- tubpar[0] = 3.5;
- tubpar[1] = 22.;
- tubpar[2] = 630./2.;
- pMC->Gsvolu("YMQL", "TUBE", idtmed[851], tubpar, 3);
-
- pMC->Gspos("MQXL", 1, "ZDC ", 0., 0., tubpar[2] + zq, 0, "ONLY");
- pMC->Gspos("YMQL", 1, "ZDC ", 0., 0., tubpar[2] + zq, 0, "ONLY");
-
- pMC->Gspos("MQXL", 2, "ZDC ", 0., 0., tubpar[2] + zq + 2430., 0, "ONLY");
- pMC->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.;
- pMC->Gsvolu("MQX ", "TUBE", idtmed[890], tubpar, 3);
-
- // -- YOKE
-
- tubpar[0] = 3.5;
- tubpar[1] = 22.;
- tubpar[2] = 550./2.;
- pMC->Gsvolu("YMQ ", "TUBE", idtmed[851], tubpar, 3);
-
- pMC->Gspos("MQX ", 1, "ZDC ", 0., 0., tubpar[2] + zq + 880., 0, "ONLY");
- pMC->Gspos("YMQ ", 1, "ZDC ", 0., 0., tubpar[2] + zq + 880., 0, "ONLY");
-
- pMC->Gspos("MQX ", 2, "ZDC ", 0., 0., tubpar[2] + zq + 1530., 0, "ONLY");
- pMC->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.;
- pMC->Gsvolu("D1 ", "TUBE", idtmed[890], tubpar, 3);
-
- // -- YOKE
-
- tubpar[0] = 0.;
- tubpar[1] = 55.;
- tubpar[2] = 945/2.;
- pMC->Gsvolu("YD1 ", "TUBE", idtmed[851], tubpar, 3);
-
- pMC->Gspos("YD1 ", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
- pMC->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.;
- pMC->Gsvolu("D2 ", "TUBE", idtmed[890], tubpar, 3);
-
- // -- YOKE
-
- tubpar[0] = 0.;
- tubpar[1] = 55.;
- tubpar[2] = 945./2.;
- pMC->Gsvolu("YD2 ", "TUBE", idtmed[851], tubpar, 3);
-
- pMC->Gspos("YD2 ", 1, "ZDC ", 0., 0., tubpar[2] + zd2, 0, "ONLY");
-
- pMC->Gspos("D2 ", 1, "YD2 ", -9.7, 0., 0., 0, "ONLY");
- pMC->Gspos("D2 ", 2, "YD2 ", 9.7, 0., 0., 0, "ONLY");
-
- // -- END OF MAGNET DEFINITION
-
- // ----------------- Hadronic calorimeters -------------------- *
-
- // Neutron calorimeter
-
- pMC->Gsvolu("ZNEU", "BOX ", idtmed[800], HDZN, 3); // Passive material
- pMC->Gsvolu("ZNFI", "TUBE", idtmed[802], FIZN, 3); // Active material
- pMC->Gsvolu("ZNGR", "BOX ", idtmed[889], GRZN, 3); // Empty grooves
-
- // Divide ZNEU in towers
- // (for hits purposes)
-
- pMC->Gsdvn("ZNTX", "ZNEU", NZNTX, 1); // x-tower
- pMC->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)
-
- pMC->Gsdvn("ZNSL", "ZN1 ", NCEN[1], 2); // Slices
- pMC->Gsdvn("ZNST", "ZNSL", NCEN[0], 1); // Sticks
-
- // --- Position the empty grooves in the sticks
- pMC->Gspos("ZNGR", 1, "ZNST", 0., 0., 0., 0, "ONLY");
- // --- Position the fibers in the grooves
- pMC->Gspos("ZNFI", 1, "ZNGR", 0., 0., 0., 0, "ONLY");
- // --- Position the neutron calorimeter in ZDC
- pMC->Gspos("ZNEU", 1, "ZDC ", ZNPOS[0], ZNPOS[1], ZNPOS[2] + HDZN[2], 0, "ONLY");
-
- // Proton calorimeter
-
- pMC->Gsvolu("ZPRO", "BOX ", idtmed[801], HDZP, 3); // Passive material
- pMC->Gsvolu("ZPFI", "TUBE", idtmed[802], FIZP, 3); // Active material
- pMC->Gsvolu("ZPGR", "BOX ", idtmed[889], GRZP, 3); // Empty grooves
-
- // Divide ZPRO in towers
- // (for hits purposes)
-
- pMC->Gsdvn("ZPTX", "ZPRO", NZPTX, 1); // x-tower
- pMC->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)
-
- pMC->Gsdvn("ZPSL", "ZP1 ", NCEP[1], 2); // Slices
- pMC->Gsdvn("ZPST", "ZPSL", NCEP[0], 1); // Sticks
-
- // --- Position the empty grooves in the sticks
- pMC->Gspos("ZPGR", 1, "ZPST", 0., 0., 0., 0, "ONLY");
- // --- Position the fibers in the grooves
- pMC->Gspos("ZPFI", 1, "ZPGR", 0., 0., 0., 0, "ONLY");
- // --- Position the proton calorimeter in ZDC
- pMC->Gspos("ZPRO", 1, "ZDC ", ZPPOS[0], ZPPOS[1], ZPPOS[2] + HDZP[2], 0, "ONLY");
+ if (GetDebug()) printf("\n Entering AliZDC::SDigits2Digits() ");
+ fLoader->LoadHits("read");
+ fLoader->LoadSDigits("recreate");
+ AliRunLoader* runLoader = fLoader->GetRunLoader();
+
+ for (Int_t iEvent = 0; iEvent < runLoader->GetNumberOfEvents(); iEvent++) {
+ runLoader->GetEvent(iEvent);
+ if (!fLoader->TreeS()) fLoader->MakeTree("S");
+ MakeBranch("S");
+
+ //----------------------------------------------------------------
+ if(!fMerger){
+ if (GetDebug()) printf(" ZDC digitization (without merging)\n");
+
+ AliZDCMergedHit *mHit;
+ Int_t j, sector[2];
+ Float_t mHits[7];
+ fNMergedhits = 0;
+
+ TTree *treeH = TreeH();
+ Int_t ntracks = (Int_t) treeH->GetEntries();
+ gAlice->ResetHits();
+
+ // Tracks loop
+ for(Int_t itrack=0; itrack<ntracks; itrack++){
+ treeH->GetEvent(itrack);
+ for(AliZDCHit* zdcHit=(AliZDCHit*)this->FirstHit(-1); zdcHit;
+ zdcHit = (AliZDCHit*)this->NextHit()){
+
+ for(j=0; j<2; j++) sector[j] = zdcHit->GetVolume(j);
+ mHits[0] = zdcHit->GetPrimKinEn();
+ mHits[1] = zdcHit->GetXImpact();
+ mHits[2] = zdcHit->GetYImpact();
+ mHits[3] = zdcHit->GetSFlag();
+ mHits[4] = zdcHit->GetLightPMQ();
+ mHits[5] = zdcHit->GetLightPMC();
+ mHits[6] = zdcHit->GetEnergy();
+ }//Hits loop
+
+ mHit = new AliZDCMergedHit(sector, mHits);
+ new((*fMergedHits)[fNMergedhits]) AliZDCMergedHit(*mHit);
+ TClonesArray &sdigits = *fMergedHits;
+ new (sdigits[fNMergedhits]) AliZDCMergedHit(*mHit);
+ fNMergedhits++;
+ delete mHit;
+ }
+ fLoader->TreeS()->Fill();
+ fLoader->TreeS()->AutoSave();
+ fLoader->TreeS()->Reset();
+ }
+ //----------------------------------------------------------------
+ else if(fMerger){
+ if (GetDebug()) printf(" ZDC merging and digitization\n");
+ // ### Initialise merging
+ fMerger -> InitMerging();
+
+ // SDigits tree
+
+
+
+ TTree *treeS = fLoader->TreeS();
+ if (treeS == 0x0)
+ {
+ Int_t retval = fLoader->LoadSDigits();
+ if (retval)
+ {
+ Error("Hits2SDigits","Error while loading S. Digits");
+ return;
+ }
+ treeS = fLoader->TreeS();
+ }
+
+ if(!treeS){
+ if (GetDebug()) printf("\n ERROR -> Can't find TreeS%d in background file\n",fMerger->EvNum());
+ }
+
+ // ### Get TCA of MergedHits from AliZDCMerger
+ fMergedHits = fMerger->MergedHits();
+ fNMergedhits = fMerger->GetNMhits();
+
+ // Branch address
+ char branchSDname[20];
+ sprintf(branchSDname,"%s",GetName());
+ if(treeS && fMergedHits){
+ TBranch *branchSD = treeS->GetBranch(branchSDname);
+ if(branchSD) branchSD->SetAddress(&fMergedHits);
+ else if(!branchSD) MakeBranchInTreeS(treeS);
+ }
+ AliZDCMergedHit *mHit;
+ TClonesArray &sdigits = *fMergedHits;
+ Int_t imhit;
+ //Merged Hits loop
+ for(imhit=0; imhit<fNMergedhits; imhit++){
+ mHit = (AliZDCMergedHit*) fMergedHits->UncheckedAt(imhit);
+ new (sdigits[imhit]) AliZDCMergedHit(*mHit);
+ }
+ treeS->Fill();
+ treeS->AutoSave();
+ }
+
+ }
+
+ fLoader->UnloadHits();
+ fLoader->UnloadSDigits();
}
-
+
//_____________________________________________________________________________
-void AliZDCv1::DrawModule()
+void AliZDC::SDigits2Digits()
{
- //
- // Draw a shaded view of the Zero Degree Calorimeter version 1
- //
+ if(!fMerger){ // Only digitization
+ if (GetDebug()) printf(" ZDC digitization (no merging) \n");
+ fMerger = new AliZDCMerger();
+ fMerger->Digitize(fNMergedhits, fMergedHits);
+
+ char hname[30];
+ AliRunLoader * rl = fLoader->GetRunLoader();
+ sprintf(hname,"TreeD%d",rl->GetHeader()->GetEvent());
+ fLoader->TreeD()->Fill();
+ fLoader->TreeD()->AutoSave();
+ fLoader->TreeD()->Reset();
+ }
+ else if(fMerger){ // Merging and digitization
+ if (GetDebug()) printf(" ZDC merging and digitization\n");
+ fMerger->Digitize(fNMergedhits, fMergedHits);
+
+ // Digits tree
- AliMC* pMC = AliMC::GetMC();
+ TTree *treeD = fLoader->TreeD();
+ if (treeD == 0x0)
+ {
+ Int_t retval = fLoader->LoadDigits();
+ if (retval)
+ {
+ Error("SDigits2Digits","Error while loading Digits");
+ return;
+ }
+ treeD = fLoader->TreeD();
+ }
+
+
+
+ if(!treeD){
+ if (GetDebug()) printf("\n ERROR -> Can't find TreeD%d in background file\n",fMerger->EvNum());
+ }
+ // Branch address
+ char branchDname[20];
+ sprintf(branchDname,"%s",GetName());
+ if(treeD && fDigits){
+ TBranch *branchD = treeD->GetBranch(branchDname);
+ if(branchD) branchD->SetAddress(&fDigits);
+ else if(!branchD) MakeBranchInTreeD(treeD);
+ }
+ treeD->Fill();
+ treeD->AutoSave();
+ }
- // Set everything unseen
- pMC->Gsatt("*", "seen", -1);
- //
- // Set ALIC mother transparent
- pMC->Gsatt("ALIC","SEEN",0);
- //
- // Set the volumes visible
- pMC->Gsatt("ZDC","SEEN",0);
- pMC->Gsatt("P001","SEEN",1);
- pMC->Gsatt("P002","SEEN",1);
- pMC->Gsatt("P003","SEEN",1);
- pMC->Gsatt("P004","SEEN",1);
- pMC->Gsatt("P005","SEEN",1);
- pMC->Gsatt("P006","SEEN",1);
- pMC->Gsatt("P007","SEEN",1);
- pMC->Gsatt("P008","SEEN",1);
- pMC->Gsatt("P009","SEEN",1);
- pMC->Gsatt("P010","SEEN",1);
- pMC->Gsatt("P011","SEEN",1);
- pMC->Gsatt("P012","SEEN",1);
- pMC->Gsatt("P013","SEEN",1);
- pMC->Gsatt("P014","SEEN",1);
- pMC->Gsatt("P015","SEEN",1);
- pMC->Gsatt("P016","SEEN",1);
- pMC->Gsatt("P017","SEEN",1);
- pMC->Gsatt("P018","SEEN",1);
- pMC->Gsatt("P019","SEEN",1);
- pMC->Gsatt("P020","SEEN",1);
- pMC->Gsatt("P021","SEEN",1);
- pMC->Gsatt("Q021","SEEN",1);
- pMC->Gsatt("R021","SEEN",1);
- pMC->Gsatt("P022","SEEN",1);
- pMC->Gsatt("P023","SEEN",1);
- pMC->Gsatt("D1 ","SEEN",1);
- pMC->Gsatt("YD1 ","SEEN",1);
- pMC->Gsatt("D2 ","SEEN",1);
- pMC->Gsatt("YD2 ","SEEN",1);
- pMC->Gsatt("MCBW","SEEN",1);
- pMC->Gsatt("YMCB","SEEN",1);
- pMC->Gsatt("MQXL","SEEN",1);
- pMC->Gsatt("YMQL","SEEN",1);
- pMC->Gsatt("MQX","SEEN",1);
- pMC->Gsatt("YMQ","SEEN",1);
- pMC->Gsatt("D1","SEEN",1);
- pMC->Gsatt("YD1","SEEN",1);
- pMC->Gsatt("D2","SEEN",1);
- pMC->Gsatt("YD2","SEEN",1);
- pMC->Gsatt("ZNEU","SEEN",0);
- pMC->Gsatt("ZNFI","SEEN",0);
- pMC->Gsatt("ZNGR","SEEN",0);
- pMC->Gsatt("ZNTX","SEEN",0);
- pMC->Gsatt("ZN1 ","COLO",2);
- pMC->Gsatt("ZN1 ","SEEN",1);
- pMC->Gsatt("ZNSL","SEEN",0);
- pMC->Gsatt("ZNST","SEEN",0);
- pMC->Gsatt("ZPRO","SEEN",0);
- pMC->Gsatt("ZPFI","SEEN",0);
- pMC->Gsatt("ZPGR","SEEN",0);
- pMC->Gsatt("ZPTX","SEEN",0);
- pMC->Gsatt("ZP1 ","SEEN",1);
- pMC->Gsatt("ZPSL","SEEN",0);
- pMC->Gsatt("ZPST","SEEN",0);
- //
- pMC->Gdopt("hide", "on");
- pMC->Gdopt("shad", "on");
- pMC->Gsatt("*", "fill", 7);
- pMC->SetClipBox(".");
- pMC->SetClipBox("*", 0, 100, -100, 100, 12000, 16000);
- pMC->DefaultRange();
- pMC->Gdraw("alic", 40, 30, 0, 488, 220, .07, .07);
- pMC->Gdhead(1111, "Zero Degree Calorimeter Version 1");
- pMC->Gdman(18, 4, "MAN");
}
-
//_____________________________________________________________________________
-void AliZDCv1::CreateMaterials()
+void AliZDC::Hits2Digits()
{
- //
- // Create Materials for the Zero Degree Calorimeter
- //
- // Origin : E. Scomparin
-
- AliMC* pMC = AliMC::GetMC();
-
- Int_t *idtmed = gAlice->Idtmed();
-
- 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(801, "ZW", 1, isvol_active, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
- AliMedium(802, "ZBRASS", 2, isvol_active, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
- AliMedium(803, "ZSIO2", 3, isvol_active, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
- AliMedium(804, "ZLEAD", 4, isvol_active, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
- AliMedium(805, "ZCOPP", 5, isvol_active, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
- AliMedium(806, "ZTANT", 6, isvol_active, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
- AliMedium(852, "ZIRON", 52, isvol, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
- AliMedium(890, "ZVOID", 90, isvol, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
- AliMedium(892, "Air", 92, 0, inofld, fieldm, tmaxfd, stemax,deemax, epsil, stmin);
-
- fieldm = 45.;
- // AliMedium(891, "ZVOIM", 91, isvol, isxfld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
- AliMedium(891, "ZVOIM", 91, isvol, isxfld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
-
- // Thresholds for showering in the ZDCs
-
- i = 801;
- pMC->Gstpar(idtmed[i-1], "CUTGAM", .01);
- pMC->Gstpar(idtmed[i-1], "CUTELE", .01);
- pMC->Gstpar(idtmed[i-1], "CUTNEU", .1);
- pMC->Gstpar(idtmed[i-1], "CUTHAD", .1);
- i = 802;
- pMC->Gstpar(idtmed[i-1], "CUTGAM", .01);
- pMC->Gstpar(idtmed[i-1], "CUTELE", .01);
- pMC->Gstpar(idtmed[i-1], "CUTNEU", .1);
- pMC->Gstpar(idtmed[i-1], "CUTHAD", .1);
-
- // Avoid too detailed showering along the beam line
-
- i = 852;
- pMC->Gstpar(idtmed[i-1], "CUTGAM", .1);
- pMC->Gstpar(idtmed[i-1], "CUTELE", .1);
- pMC->Gstpar(idtmed[i-1], "CUTNEU", 1.);
- pMC->Gstpar(idtmed[i-1], "CUTHAD", 1.);
-
- // Avoid interaction in fibers (only energy loss allowed)
- i = 803;
- pMC->Gstpar(idtmed[i-1], "DCAY", 0.);
- pMC->Gstpar(idtmed[i-1], "MULS", 0.);
- pMC->Gstpar(idtmed[i-1], "PFIS", 0.);
- pMC->Gstpar(idtmed[i-1], "MUNU", 0.);
- pMC->Gstpar(idtmed[i-1], "LOSS", 1.);
- pMC->Gstpar(idtmed[i-1], "PHOT", 0.);
- pMC->Gstpar(idtmed[i-1], "COMP", 0.);
- pMC->Gstpar(idtmed[i-1], "PAIR", 0.);
- pMC->Gstpar(idtmed[i-1], "BREM", 0.);
- pMC->Gstpar(idtmed[i-1], "DRAY", 0.);
- pMC->Gstpar(idtmed[i-1], "ANNI", 0.);
- pMC->Gstpar(idtmed[i-1], "HADR", 0.);
+ gAlice->Hits2SDigits();
+ gAlice->SDigits2Digits();
}
-ClassImp(AliZDChit)
-
//_____________________________________________________________________________
-AliZDChit::AliZDChit(Int_t shunt, Int_t track, Int_t *vol, Float_t *hits):
- AliHit(shunt, track)
+void AliZDC::Digits2Reco()
{
- //
- // 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];
+ if (GetDebug()) printf(" Entering AliZDC::Digits2Reco\n");
+ AliDetector *zdcd = gAlice->GetDetector("ZDC");
+ TClonesArray *zdcdigits = zdcd->Digits();
+
+ TTree *td = fLoader->TreeD();
+ if (td == 0x0)
+ {
+ Int_t retval = fLoader->LoadDigits();
+ if (retval)
+ {
+ Error("Digits2Reco","Error while loading Digits");
+ return;
+ }
+ td = fLoader->TreeD();
+ }
+
+
+ if(td){
+ char brname[20];
+ sprintf(brname,"%s",zdcd->GetName());
+ TBranch *br = td->GetBranch(brname);
+ if(br) br->SetAddress(&zdcdigits);
+ }
+ else if(!td) printf(" ERROR -> TreeD NOT found in gAlice object\n");
+
+ Int_t nt = (Int_t) (td->GetEntries());
+ gAlice->ResetDigits();
+
+ AliZDCDigit *dig;
+ Int_t j, idig, ndigits, znraw=0, zpraw=0, zemraw=0;
+ // --- Summing raw ADCs for each detector to obtain total light
+ for(j=0; j<nt; j++){
+ td->GetEvent(j);
+ ndigits = zdcdigits->GetEntries();
+ znraw=0;
+ zpraw=0;
+ zemraw=0;
+ // --- Loop over event digits
+ for(idig=0; idig<ndigits; idig++){
+ dig = (AliZDCDigit*) zdcdigits->UncheckedAt(idig);
+ if(dig->GetSector(0) == 1) znraw += dig->GetADCValue();
+ else if(dig->GetSector(0) == 2) zpraw += dig->GetADCValue();
+ else if(dig->GetSector(0) == 3) zemraw += dig->GetADCValue();
+ } // Digits loop
+ } // TreeD entries loop
+ if (GetDebug()) printf("\n --- znraw = %d, zpraw = %d, zemraw = %d\n",znraw, zpraw, zemraw);
+
+ // --- Pedestal subtraction
+ Int_t zncorr, zpcorr, zemcorr, meanPed=50;
+ zncorr = znraw - 5*meanPed;
+ zpcorr = zpraw - 5*meanPed;
+ zemcorr = zemraw - 2*meanPed;
+ if(zncorr<0) zncorr=0;
+ if(zpcorr<0) zpcorr=0;
+ if(zemcorr<0) zemcorr=0;
+ if (GetDebug()) printf("\n zncorr = %d, zpcorr = %d, zemcorr = %d\n",zncorr,zpcorr,zemcorr);
+
+ // --- ADCchannel -> photoelectrons
+ // NB-> PM gain = 10^(5), ADC resolution = 6.4*10^(-7)
+ Float_t znphe, zpphe, zemphe, convFactor = 0.064;
+ znphe = zncorr/convFactor;
+ zpphe = zpcorr/convFactor;
+ zemphe = zemcorr/convFactor;
+ if (GetDebug()) printf("\n znphe = %f, zpphe = %f, zemphe = %f\n",znphe, zpphe, zemphe);
+
+ // --- Energy calibration
+ // Conversion factors for hadronic ZDCs goes from phe yield to TRUE incident
+ // energy (conversion from GeV to TeV is included); while for EM calos
+ // conversion is from light yield to detected energy calculated by GEANT
+ // NB -> ZN and ZP conversion factors are constant since incident spectators
+ // have all the same energy, ZEM energy is obtained through a fit over the whole
+ // range of incident particle energies (obtained with full HIJING simulations)
+ Float_t znenergy, zpenergy, zemenergy, zdcenergy;
+ Float_t znphexTeV=329., zpphexTeV=369.;
+ znenergy = znphe/znphexTeV;
+ zpenergy = zpphe/zpphexTeV;
+ zdcenergy = znenergy+zpenergy;
+ zemenergy = -4.81+0.3238*zemphe;
+ if(zemenergy<0) zemenergy=0;
+ if (GetDebug()) printf(" znenergy = %f TeV, zpenergy = %f TeV, zdcenergy = %f GeV, "
+ "\n zemenergy = %f TeV\n", znenergy, zpenergy,
+ zdcenergy, zemenergy);
+
+ if(zdcenergy==0)
+ if (GetDebug()) printf("\n\n ### ATTENZIONE!!! -> ev# %d: znenergy = %f TeV, zpenergy = %f TeV, zdcenergy = %f GeV, "
+ " zemenergy = %f TeV\n\n", fMerger->EvNum(), znenergy, zpenergy, zdcenergy, zemenergy);
+
+ // --- Number of incident spectator nucleons
+ Int_t nDetSpecN, nDetSpecP;
+ nDetSpecN = (Int_t) (znenergy/2.760);
+ nDetSpecP = (Int_t) (zpenergy/2.760);
+ if (GetDebug()) printf("\n nDetSpecN = %d, nDetSpecP = %d\n",nDetSpecN, nDetSpecP);
+
+ // --- Number of generated spectator nucleons and impact parameter
+ // --------------------------------------------------------------------------------------------------
+ // [1] ### Results in Chiara's PhD thesis -> 0<b<15 fm (Dec 2001)
+ /*// Fit results for neutrons (Nspectator n true vs. EZN)
+ TF1 *fZNCen = new TF1("fZNCen",
+ "(-2.116909+sqrt(2.116909*2.116909-4*(-0.00651)*(14.556798-x)))/(2*(-0.00651))",0.,158.5);
+ TF1 *fZNPer = new TF1("fZNPer",
+ "(-34.695134-sqrt(34.695134*34.695134-4*(-0.174780)*(-1562.283443-x)))/(2*(-0.174780))",0.,158.5);
+ // Fit results for protons (Nspectator p true vs. EZP)
+ TF1 *fZPCen = new TF1("fZPCen",
+ "(-1.3217+sqrt(1.3217*1.3217-4*(-0.007934)*(4.742873-x)))/(2*(-0.007934))",0.,58.91);
+ TF1 *fZPPer = new TF1("fZPPer",
+ "(-15.788267-sqrt(15.788267*15.788267-4*(-0.133359)*(-383.800673-x)))/(2*(-0.133359))",0.,58.91);
+ // Fit results for total number of spectators (Nspectators true vs. EZDC)
+ TF1 *fZDCCen = new TF1("fZDCCen",
+ "(-1.867335+sqrt(1.867335*1.867335-4*(-0.004119)*(19.100289-x)))/(2*(-0.004119))",0.,220.4);
+ TF1 *fZDCPer = new TF1("fZDCPer",
+ "(-22.429097-sqrt(22.429097*22.429097-4*(-0.072435)*(-1482.034526-x)))/(2*(-0.072435))",0.,220.4);*/
+ // --------------------------------------------------------------------------------------------------
+ // [1] ### Results from a new production -> 0<b<18 fm (Apr 2002)
+ // Fit results for neutrons (Nspectator n true vs. EZN)
+ TF1 *fZNCen = new TF1("fZNCen",
+ "(-2.287920+sqrt(2.287920*2.287920-4*(-0.007629)*(11.921710-x)))/(2*(-0.007629))",0.,164.);
+ TF1 *fZNPer = new TF1("fZNPer",
+ "(-37.812280-sqrt(37.812280*37.812280-4*(-0.190932)*(-1709.249672-x)))/(2*(-0.190932))",0.,164.);
+ // Fit results for protons (Nspectator p true vs. EZP)
+ TF1 *fZPCen = new TF1("fZPCen",
+ "(-1.321353+sqrt(1.321353*1.321353-4*(-0.007283)*(3.550697-x)))/(2*(-0.007283))",0.,60.);
+ TF1 *fZPPer = new TF1("fZPPer",
+ "(-42.643308-sqrt(42.643308*42.643308-4*(-0.310786)*(-1402.945615-x)))/(2*(-0.310786))",0.,60.);
+ // Fit results for total number of spectators (Nspectators true vs. EZDC)
+ TF1 *fZDCCen = new TF1("fZDCCen",
+ "(-1.934991+sqrt(1.934991*1.934991-4*(-0.004080)*(15.111124-x)))/(2*(-0.004080))",0.,225.);
+ TF1 *fZDCPer = new TF1("fZDCPer",
+ "(-34.380639-sqrt(34.380639*34.380639-4*(-0.104251)*(-2612.189017-x)))/(2*(-0.104251))",0.,225.);
+ // --------------------------------------------------------------------------------------------------
+ // [1] ### Results in Chiara's PhD thesis -> 0<b<15 fm (Dec 2001)
+ /*// Fit results for b (b vs. EZDC)
+ //TF1 *fbCen = new TF1("fbCen","0.611543+0.052231*x-0.000112*x*x+0.000000374*x*x*x",0.,222.);
+ //TF1 *fbPer = new TF1("fbPer","16.552010-0.023866*x-0.00001*x*x",0.,222.);
+ TF1 *fbCen = new TF1("fbCen","0.612769+0.051929*x-0.0001074*x*x+0.0000003724*x*x*x",0.,225.);
+ TF1 *fbPer = new TF1("fbPer","16.6131016-0.026053*x+0.000006893*x*x",0.,225.);*/
+ // --------------------------------------------------------------------------------------------------
+ // [2] ### Results from a new production -> 0<b<18 fm (Apr 2002)
+ TF1 *fbCen = new TF1("fbCen","-0.056923+0.079703*x-0.0004301*x*x+0.000001366*x*x*x",0.,220.);
+ TF1 *fbPer = new TF1("fbPer","17.943998-0.046846*x+0.000074*x*x",0.,220.);
+ // --------------------------------------------------------------------------------------------------
+ // Evaluating Nspectators and b from ZEM energy
+ // [1] ### Results in Chiara's PhD thesis -> 0<b<15 fm (Dec 2001)
+ /*TF1 *fZEMn = new TF1("fZEMn","124.2-0.0566*x+0.000006014*x*x",0.,3500.);
+ TF1 *fZEMp = new TF1("fZEMp","81.3-0.03834*x+0.000004359*x*x",0.,3500.);
+ TF1 *fZEMsp = new TF1("fZEMsp","205.6-0.09567*x+0.00001056*x*x",0.,3500.);
+ TF1 *fZEMb = new TF1("fZEMb","15.8-0.02084*x+2.802e-5*x*x-2.007e-8*x*x*x+6.586e-12*x*x*x*x-8.042e-16*x*x*x*x*x",0.,3500.);*/
+ // --------------------------------------------------------------------------------------------------
+ // [2] ### Results from a new production -> 0<b<18 fm (Apr 2002)
+ TF1 *fZEMn = new TF1("fZEMn","126.2-0.05399*x+0.000005679*x*x",0.,4000.);
+ TF1 *fZEMp = new TF1("fZEMp","82.49-0.03611*x+0.00000385*x*x",0.,4000.);
+ TF1 *fZEMsp = new TF1("fZEMsp","208.7-0.09006*x+0.000009526*x*x",0.,4000.);
+ TF1 *fZEMb = new TF1("fZEMb","16.06-0.01633*x+1.44e-5*x*x-6.778e-9*x*x*x+1.438e-12*x*x*x*x-1.112e-16*x*x*x*x*x",0.,4000.);
+
+ Int_t nGenSpecN=0, nGenSpecP=0, nGenSpec=0;
+ Double_t impPar=0;
+ // Cut value for Ezem (GeV)
+ // [1] ### Results in Chiara's PhD thesis -> 0<b<15 fm (Dec 2001)
+ //Float_t eZEMCut = 360.;
+ // [2] ### Results from a new production -> 0<b<18 fm (Apr 2002)
+ Float_t eZEMCut = 420.;
+ Float_t deltaEZEMSup = 690.;
+ Float_t deltaEZEMInf = 270.;
+ if(zemenergy > (eZEMCut+deltaEZEMSup)){
+ nGenSpecN = (Int_t) (fZNCen->Eval(znenergy));
+ nGenSpecP = (Int_t) (fZPCen->Eval(zpenergy));
+ nGenSpec = (Int_t) (fZDCCen->Eval(zdcenergy));
+ impPar = fbCen->Eval(zdcenergy);
+ //printf(" fZNCen = %f, fZPCen = %f, fZDCCen = %f\n",fZNCen->Eval(znenergy),
+ // fZPCen->Eval(zpenergy),fZDCCen->Eval(zdcenergy));
+ }
+ else if(zemenergy < (eZEMCut-deltaEZEMInf)){
+ nGenSpecN = (Int_t) (fZNPer->Eval(znenergy));
+ nGenSpecP = (Int_t) (fZPPer->Eval(zpenergy));
+ nGenSpec = (Int_t) (fZDCPer->Eval(zdcenergy));
+ impPar = fbPer->Eval(zdcenergy);
+ //printf(" fZNPer = %f, fZPPer = %f, fZDCPer = %f\n",fZNPer->Eval(znenergy),
+ // fZPPer->Eval(zpenergy),fZDCPer->Eval(zdcenergy));
+ }
+ else if(zemenergy >= (eZEMCut-deltaEZEMInf) && zemenergy <= (eZEMCut+deltaEZEMSup)){
+ nGenSpecN = (Int_t) (fZEMn->Eval(zemenergy));
+ nGenSpecP = (Int_t) (fZEMp->Eval(zemenergy));
+ nGenSpec = (Int_t)(fZEMsp->Eval(zemenergy));
+ impPar = fZEMb->Eval(zemenergy);
+ //printf(" Nspec ZEM = %f, Nspec ZDC = %f\n",fZEMsp->Eval(znenergy),fZDCPer->Eval(zdcenergy));
+ }
+ // [1] ### Results in Chiara's PhD thesis -> 0<b<15 fm (Dec 2001)
+ /*if(znenergy>158.5) nGenSpecN = (Int_t) (fZEMn->Eval(zemenergy));
+ if(zpenergy>58.91) nGenSpecP = (Int_t) (fZEMp->Eval(zemenergy));
+ if(zdcenergy>220.4) nGenSpec = (Int_t)(fZEMsp->Eval(zemenergy));
+ if(zdcenergy>225.) impPar = fZEMb->Eval(zemenergy);*/
+ // [2] ### Results from a new production -> 0<b<18 fm (Apr 2002)
+ if(znenergy>162.) nGenSpecN = (Int_t) (fZEMn->Eval(zemenergy));
+ if(zpenergy>59.75) nGenSpecP = (Int_t) (fZEMp->Eval(zemenergy));
+ if(zdcenergy>221.5) nGenSpec = (Int_t)(fZEMsp->Eval(zemenergy));
+ if(zdcenergy>220.) impPar = fZEMb->Eval(zemenergy);
+
+ if(nGenSpecN>125) nGenSpecN=125;
+ else if(nGenSpecN<0) nGenSpecN=0;
+ if(nGenSpecP>82) nGenSpecP=82;
+ else if(nGenSpecP<0) nGenSpecP=0;
+ if(nGenSpec>207) nGenSpec=207;
+ else if(nGenSpec<0) nGenSpec=0;
+ //printf(" NRecSpecN = %d, NRecSpecP = %d, NRecSpec = %d\n",nGenSpecN,nGenSpecP,nGenSpec);
+
+ // --- Number of participants
+ Int_t nPart, nPartTot;
+ nPart = 207-nGenSpecN-nGenSpecP;
+ nPartTot = 207-nGenSpec;
+ //printf(" ### nPart(ZP+ZN) = %d, nPart(ZDC) = %d, b = %f fm\n",nPart,nPartTot,impPar);
+ if (GetDebug()) printf(" ### nPart = %d, b = %f fm\n",nPartTot,impPar);
+
+ // --- Writing RecPoints TCA
+ // Allocate the RecPoints TCA
+ fRecPoints = new TClonesArray("AliZDCReco",1000);
+ AliZDCReco *reco = new AliZDCReco(znenergy,zpenergy,zdcenergy,zemenergy,
+ nDetSpecN,nDetSpecP,nGenSpecN,nGenSpecP,nGenSpec,nPartTot,impPar);
+ new((*fRecPoints)[fNRecPoints]) AliZDCReco(*reco);
+ //fNRecPoints++;
+ //fRecPoints->Dump();
+ delete reco;
+
+ // TreeR
+ TTree *treeR = fLoader->TreeR();
+ if(!treeR) printf("\n ERROR -> Can't find TreeR%d in background file\n",fMerger->EvNum());
+ // Branch address
+ char branchRname[20];
+ sprintf(branchRname,"%s",GetName());
+ if(fRecPoints){
+ TBranch *branchR = treeR->GetBranch(branchRname);
+ if(branchR) branchR->SetAddress(&fRecPoints);
+ else if(!branchR) MakeBranchInTreeR(treeR);
+ }
+ treeR->Fill();
+ treeR->AutoSave();
+ treeR->Reset();
}
+
+//______________________________________________________________________
+void AliZDC::SetTreeAddress(){
+ // Set branch address for the Trees.
+ // Inputs:
+ // none.
+ // Outputs:
+ // none.
+ // Return:
+ // none.
+ if (fLoader->TreeH() && (fHits == 0x0))
+ fHits = new TClonesArray("AliZDCHit",1000);
+
+ if (fLoader->TreeD() && (fDigits == 0x0))
+ fDigits = new TClonesArray("AliZDCDigit",1000);
+
+ AliDetector::SetTreeAddress();
+}
+