-///////////////////////////////////////////////////////////////////////////////
-// //
-// 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
+/**************************************************************************
+ * 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. *
+ **************************************************************************/
+
/*
-<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>
+$Log$
+Revision 1.26.2.2 2001/11/12 18:41:44 hristov
+All the changes from the head are merged to the release
+
+Revision 1.27 2001/10/21 18:27:45 hristov
+Several pointers were set to zero in the default constructors to avoid memory management problems
+
+Revision 1.26 2001/10/04 14:30:28 coppedis
+Event merging for ZDC
+
+Revision 1.25 2001/10/04 14:24:15 coppedis
+Event merging for ZDC
+
+Revision 1.24 2001/09/26 16:03:41 coppedis
+Merging implemented
+
+Revision 1.23 2001/05/15 13:44:57 coppedis
+Changes in AddHit method
+
+Revision 1.22 2001/05/14 09:53:32 coppedis
+Adding functions ZMin and ZMax
+
+Revision 1.21 2001/04/20 10:05:02 coppedis
+Minor changes
+
+Revision 1.20 2001/03/26 13:39:20 coppedis
+Comment prints
+
+Revision 1.19 2001/03/26 09:10:23 coppedis
+Corrected bug in constructor (fIshunt has to be =1)
+
+Revision 1.18 2001/03/20 08:21:55 coppedis
+ZDC needs PIPE, ABSO, DIPO and SHIL
+
+Revision 1.17 2001/03/16 16:18:03 coppedis
+Correction for superposition of ZDC volumes with MUON arm one
+
+Revision 1.16 2001/03/15 16:01:11 coppedis
+Code review
+
+Revision 1.15 2001/01/26 19:56:27 hristov
+Major upgrade of AliRoot code
+
+Revision 1.14 2000/12/12 13:17:01 coppedis
+Minor corrections suggested by P. Hristov
+
+Revision 1.12 2000/12/01 08:19:01 coppedis
+Adding a message error if ZDC is constructed without DIPO
+
+Revision 1.11 2000/11/30 17:21:03 coppedis
+Introduce hit array fStHits reset only at the end of the event (for digitization)
+
+Revision 1.10 2000/11/22 11:32:58 coppedis
+Major code revision
+
+Revision 1.9 2000/10/02 21:28:20 fca
+Removal of useless dependecies via forward declarations
+
+Revision 1.8 2000/07/10 13:58:01 fca
+New version of ZDC from E.Scomparin & C.Oppedisano
+
+Revision 1.7 2000/01/19 17:17:40 fca
+
+Revision 1.6 1999/09/29 09:24:35 fca
+Introduction of the Copyright and cvs Log
+
*/
-//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 <iostream.h>
+
+// --- ROOT system
#include <TBRIK.h>
#include <TNode.h>
+#include <TGeometry.h>
+#include <TFile.h>
+#include <TTree.h>
+#include <TDirectory.h>
+#include <TF1.h>
+// --- AliRoot header files
#include "AliZDC.h"
-#include "AliRun.h"
+#include "AliZDCHit.h"
+#include "AliZDCMergedHit.h"
+#include "AliZDCMerger.h"
+#include "AliZDCDigit.h"
+#include "AliZDCReco.h"
+#include "AliDetector.h"
#include "AliCallf77.h"
#include "AliConst.h"
#include "AliMC.h"
+#include "AliRun.h"
+#include "AliHeader.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;
+ fTreeSD = 0;
+ fTreeMD = 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->AddHitList(fHits);
+ // Allocate the merged hits array
+ fMergedHits = new TClonesArray("AliZDCMergedHit",1000);
+
+ // Allocate the digits array
+ fDigits = new TClonesArray("AliZDCDigit",1000);
+
+ fTreeSD = 0;
+ fTreeMD = 0;
+
+ 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;
+
+// if(fHits){
+// fHits->Delete();
+// delete fHits;
+// }
+
+// if(fDigits){
+// fDigits->Delete();
+// delete fDigits;
+// }
+
}
-
//_____________________________________________________________________________
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->GetPrimary(track);
+ if(track != primary){
+ newquad->fSFlag = 1; // SECONDARY particle entering the ZDC
+ }
+ else if(track == primary){
+ newquad->fSFlag = 0; // PRIMARY particle entering the ZDC
+ }
+// fNPrimaryHits += 1;
+ sFlag = newquad->fSFlag;
+ primKinEn = newquad->fPrimKinEn;
+ xImpact = newquad->fXImpact;
+ yImpact = newquad->fYImpact;
+ }
+ else{
+ newquad->fPrimKinEn = primKinEn;
+ newquad->fXImpact = xImpact;
+ newquad->fYImpact = yImpact;
+ newquad->fSFlag = 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)
+
+//____________________________________________________________________________
+Float_t AliZDC::ZMin(void) const
{
- //
- // Set beam characteristic
- // This routine has to be revised as it is disconnected from the
- // actual generation in this version of AliRoot
- //
+ // Minimum dimension of the ZDC module in z
+ return 11600.;
+}
- // 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, const char *file)
{
//
- // 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());
+
+ AliDetector::MakeBranch(opt);
+
+ const char *cS = strstr(opt,"S");
+
+ if (gAlice->TreeS() && cS) {
+ if(fMergedHits!=0) fMergedHits->Clear();
+ else fMergedHits = new TClonesArray ("AliZDCMergedHit",1000);
+ MakeBranchInTree(gAlice->TreeS(),
+ branchname, &fMergedHits, fBufferSize, file) ;
+ printf("* AliZDC::MakeBranch * Making Branch %s for SDigits\n\n",branchname);
+ }
+
+
+ const char *cD = strstr(opt,"D");
+
+ if (gAlice->TreeD() && cD) {
+ if(fDigits!=0) fDigits->Clear();
+ else fDigits = new TClonesArray ("AliZDCDigit",1000);
+ MakeBranchInTree(gAlice->TreeD(),
+ branchname, &fDigits, fBufferSize, file) ;
+ printf("* AliZDC::MakeBranch * Making Branch %s for Digits\n\n",branchname);
+ }
+
+
+ const char *cR = strstr(opt,"R");
+
+ if (gAlice->TreeR() && cR) {
+ MakeBranchInTree(gAlice->TreeR(),
+ branchname, &fRecPoints, fBufferSize, file) ;
+ printf("* AliZDC::MakeBranch * Making Branch %s for RecPoints\n\n",branchname); }
+
}
//_____________________________________________________________________________
-void AliZDC::SetVenus(Int_t hiv, Int_t hivf, Int_t hivsp, const char *file)
+ void AliZDC::MakeBranchInTreeSD(TTree *treeSD, 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
- //
+ // MakeBranchInTree
+ const Int_t kBufferSize = 4000;
+ char branchname[20];
+ sprintf(branchname,"%s",GetName());
+ MakeBranchInTree(treeSD, branchname, &fMergedHits, kBufferSize, file) ;
+ printf("* AliZDC::MakeBranch * Making Branch %s for SDigits\n\n",branchname);
- // 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));
}
-
//_____________________________________________________________________________
-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::MakeBranchInTreeD(TTree *treeD, 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());
+ MakeBranchInTree(treeD, branchname, &fDigits, kBufferSize, file) ;
+ printf("* AliZDC::MakeBranch * Making Branch %s for Digits\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::MakeBranchInTreeR(TTree *treeR, 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();
+ // MakeBranchInTree
+ const Int_t kBufferSize = 4000;
+ char branchname[20];
+ sprintf(branchname,"%s",GetName());
+ MakeBranchInTree(treeR, branchname, &fRecPoints, kBufferSize, file) ;
+ printf("* AliZDC::MakeBranch * Making Branch %s for RecPoints\n\n",branchname);
+
}
+//_____________________________________________________________________________
+void AliZDC::Hits2SDigits()
+{
+ printf("\n Entering AliZDC::SDigits2Digits() ");
+
+ //----------------------------------------------------------------
+ if(!fMerger){
+ printf(" ZDC digitization (without merging)\n");
-
-ClassImp(AliZDCv1)
-
+ AliZDCMergedHit *MHit;
+ Int_t j, sector[2];
+ Float_t MHits[7];
+ fNMergedhits = 0;
-///////////////////////////////////////////////////////////////////////////////
-// //
-// Zero Degree Calorimeter version 1 //
-// //
-//Begin_Html
-/*
-<img src="gif/AliZDCv1Class.gif">
-*/
-//End_Html
-// //
-// //
-///////////////////////////////////////////////////////////////////////////////
+ TTree *treeH = gAlice->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;
+ }
+// printf("\n ### Filling SDigits tree\n");
+ gAlice->TreeS()->Fill();
+ gAlice->TreeS()->Write(0,TObject::kOverwrite);
+ gAlice->TreeS()->Reset();
+ }
+ //----------------------------------------------------------------
+ else if(fMerger){
+ printf(" ZDC merging and digitization\n");
+ // ### Initialise merging
+ fMerger -> InitMerging();
-//_____________________________________________________________________________
-AliZDCv1::AliZDCv1() : AliZDC()
-{
- //
- // Default constructor for Zero Degree Calorimeter
- //
+ TFile *bgrFile = fMerger->BgrFile();
+ bgrFile->cd();
+ // SDigits tree
+ Int_t fNEvBgr = fMerger->EvNum();
+ char treeSDBgrName[20];
+ sprintf(treeSDBgrName,"TreeS%d",fNEvBgr);
+ fTreeSD = (TTree*)gDirectory->Get(treeSDBgrName); // TreeH
+ if(!fTreeSD){
+ printf("\n ERROR -> Can't find TreeS%d in background file\n",fNEvBgr);
+ }
+ // Branch address
+ char branchSDname[20];
+ sprintf(branchSDname,"%s",GetName());
+ if(fTreeSD && fMergedHits){
+ TBranch *branchSD = fTreeSD->GetBranch(branchSDname);
+ if(branchSD) branchSD->SetAddress(&fMergedHits);
+ else if(!branchSD) MakeBranchInTreeSD(fTreeSD);
+ }
+
+ // ### Get TCA of MergedHits from AliZDCMerger
+ fMergedHits = fMerger->MergedHits();
+ fNMergedhits = fMerger->GetNMhits();
+// printf("\n fNMergedhits (from AliZDCMerger) = %d\n", fNMergedhits);
+ 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);
+ }
+
+// printf("\n ### Filling SDigits tree\n");
+ bgrFile->cd();
+ fTreeSD->Fill();
+ fTreeSD->Write(0,TObject::kOverwrite);
+ }
+
}
-
+
//_____________________________________________________________________________
-AliZDCv1::AliZDCv1(const char *name, const char *title)
- : AliZDC(name,title)
+void AliZDC::SDigits2Digits()
{
- //
- // Standard constructor for Zero Degree Calorimeter
- //
+ //printf("\n Entering AliZDC::SDigits2Digits() ");
+ if(!fMerger){ // Only digitization
+ printf(" ZDC digitization (without merging) \n");
+ fMerger = new AliZDCMerger();
+ fMerger->Digitize(fNMergedhits, fMergedHits);
+
+ char hname[30];
+ sprintf(hname,"TreeD%d",gAlice->GetHeader()->GetEvent());
+ gAlice->TreeD()->Fill();
+ gAlice->TreeD()->Write(0,TObject::kOverwrite);
+ gAlice->TreeD()->Reset();
+ }
+ else if(fMerger){ // Merging and digitization
+ printf(" ZDC merging and digitization\n");
+ fMerger->Digitize(fNMergedhits, fMergedHits);
+
+ TFile *bgrFile = fMerger->BgrFile();
+ bgrFile->cd();
+ // Digits tree
+ Int_t fNEvBgr = fMerger->EvNum();
+ //printf(" fNEvBgr = %d\n",fNEvBgr);
+ char treeDBgrName[20];
+ sprintf(treeDBgrName,"TreeD%d",fNEvBgr);
+ fTreeMD = (TTree*)gDirectory->Get(treeDBgrName); // TreeH
+ if(!fTreeMD){
+ printf("\n ERROR -> Can't find TreeD%d in background file\n",fNEvBgr);
+ }
+ // Branch address
+ char branchDname[20];
+ sprintf(branchDname,"%s",GetName());
+ if(fTreeMD && fDigits){
+// printf("\n fTreeMD!=0 && fDigits!=0\n");
+ TBranch *branchD = fTreeMD->GetBranch(branchDname);
+ if(branchD) branchD->SetAddress(&fDigits);
+ else if(!branchD) MakeBranchInTreeD(fTreeMD);
+ }
+
+ fTreeMD->Fill();
+ fTreeMD->Write(0,TObject::kOverwrite);
+ }
+
+
}
-
//_____________________________________________________________________________
-void AliZDCv1::CreateGeometry()
+void AliZDC::Hits2Digits()
{
- //
- // 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");
-
+ gAlice->Hits2SDigits();
+ gAlice->SDigits2Digits();
}
-
+
//_____________________________________________________________________________
-void AliZDCv1::DrawModule()
+void AliZDC::Digits2Reco()
{
- //
- // Draw a shaded view of the Zero Degree Calorimeter version 1
- //
+ //printf("\n Entering AliZDC::Digits2Reco() ");
+
+ Int_t fNEvBgr = fMerger->EvNum();
+ //printf(" fNEvBgr = %d\n",fNEvBgr);
+ gAlice->GetEvent(fNEvBgr);
- AliMC* pMC = AliMC::GetMC();
-
- // 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");
+ AliDetector *ZDC = gAlice->GetDetector("ZDC");
+ TClonesArray *ZDCdigits = ZDC->Digits();
+
+ char tdname[20];
+ sprintf(tdname,"TreeD%d",fNEvBgr);
+ TTree *TD = (TTree*)gDirectory->Get(tdname);
+ //TTree *TD = gAlice->TreeD();
+ if(TD){
+ //printf(" TreeD found in gAlice object\n");
+ char brname[20];
+ sprintf(brname,"%s",ZDC->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());
+ //printf("\n #entries in TreeD = %d\n",nt);
+ 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();
+ //printf("\n Entry #%d, ndigits = %d",j,ndigits);
+ 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
+ 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;
+ 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;
+ 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;
+ printf(" ZNenergy = %f TeV, ZPenergy = %f TeV, ZDCenergy = %f GeV, "
+ "\n ZEMenergy = %f TeV\n", ZNenergy, ZPenergy,
+ ZDCenergy, ZEMenergy);
+
+ if(ZDCenergy==0)
+ printf("\n\n ### ATTENZIONE!!! -> ev# %d: ZNenergy = %f TeV, ZPenergy = %f TeV, ZDCenergy = %f GeV, "
+ " ZEMenergy = %f TeV\n\n", fNEvBgr, 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);
+ printf("\n NDetSpecN = %d, NDetSpecP = %d\n",NDetSpecN, NDetSpecP);
+
+ // --- Number of generated spectator nucleons and impact parameter
+ // 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);
+ // 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.);
+ // Evaluating Nspectators and b from ZEM energy
+ 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.);
+
+ Int_t NGenSpecN=0, NGenSpecP=0, NGenSpec=0;
+ Double_t ImpPar=0;
+ Float_t EZEMCut = 360.; // Cut value for Ezem (GeV)
+ if(ZEMenergy >= EZEMCut){
+ 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){
+ 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));
+ }
+ 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);
+ /*if(ZNenergy>158.5) NGenSpecN = -999;
+ if(ZPenergy>58.91) NGenSpecP = -999;
+ if(ZDCenergy>220.4) NGenSpec = -999;
+ if(ZDCenergy>225.) ImpPar = -999;*/
+
+ 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 = 208-NGenSpecN-NGenSpecP;
+ NPartTot = 208-NGenSpec;
+ printf(" ### NPart(ZP+ZN) = %d, NPart(ZDC) = %d, b = %f fm\n",NPart,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);
+ //printf(" fNRecPoints = %d \n",fNRecPoints );
+ //fNRecPoints++;
+ //fRecPoints->Dump();
+ delete reco;
+
+ // TreeR
+ TTree *treeR = gAlice->TreeR();
+ char tname[20];
+ sprintf(tname,"TreeR%d",fNEvBgr);
+ if(!treeR) printf("\n ERROR -> Can't find TreeR%d in background file\n",fNEvBgr);
+ // 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->Write(tname,TObject::kOverwrite);
+ treeR->Reset();
}
+
//_____________________________________________________________________________
-void AliZDCv1::CreateMaterials()
+void AliZDC::SetMerger(AliZDCMerger* merger)
{
- //
- // 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.);
+// Set pointer to merger
+ fMerger = merger;
}
-ClassImp(AliZDChit)
-
//_____________________________________________________________________________
-AliZDChit::AliZDChit(Int_t shunt, Int_t track, Int_t *vol, Float_t *hits):
- AliHit(shunt, track)
+AliZDCMerger* AliZDC::Merger()
{
- //
- // 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];
+// Return pointer to merger
+ return fMerger;
}
+
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff