/*
$Log$
+Revision 1.29 2001/10/17 14:19:24 hristov
+delete replaced by delete []
+
+Revision 1.28 2001/10/05 12:02:01 vicinanz
+Minor improvements on Merger and SDigitizer
+
+Revision 1.27 2001/10/02 13:03:13 vicinanz
+Minor improvements on the code
+
+Revision 1.26 2001/09/27 10:39:20 vicinanz
+SDigitizer and Merger added
+
+Revision 1.25 2001/09/07 08:37:40 hristov
+Pointers initialised to 0 in the default constructor
+
+Revision 1.24 2001/09/05 16:31:00 hristov
+The deletion of TOF folders temporarily commented out
+
+Revision 1.23 2001/08/29 12:59:01 vicinanz
+Minor changes to the Digitizer procedure
+
+Revision 1.22 2001/08/28 08:45:58 vicinanz
+TTask and TFolder structures implemented
+
+Revision 1.21 2001/05/16 14:57:24 alibrary
+New files for folders and Stack
+
+Revision 1.20 2001/05/04 10:09:47 vicinanz
+Major upgrades to the strip structure
+
+Revision 1.19 2001/03/12 17:47:25 hristov
+Changes needed on Sun with CC 5.0
+
Revision 1.18 2001/01/26 19:57:42 hristov
Major upgrade of AliRoot code
Introduction of the Copyright and cvs Log
*/
+
///////////////////////////////////////////////////////////////////////////////
// //
-// Time Of Flight FCA //
+// Time Of Flight //
// This class contains the basic functions for the Time Of Flight //
// detector. Functions specific to one particular geometry are //
// contained in the derived classes //
///////////////////////////////////////////////////////////////////////////////
#include <iostream.h>
+#include <strstream.h>
+#include <fstream.h>
+#include <stdlib.h>
#include "AliTOF.h"
-#include "AliTOFD.h"
+#include "AliTOFhit.h"
+#include "AliTOFdigit.h"
+#include "AliTOFRawSector.h"
+#include "AliTOFRoc.h"
+#include "AliTOFRawDigit.h"
+
+#include "TROOT.h"
#include "TBRIK.h"
#include "TNode.h"
#include "TObject.h"
-#include "TRandom.h"
+#include "TSystem.h"
#include "TTree.h"
#include "TFile.h"
+#include "TFolder.h"
+#include "TTask.h"
#include "AliRun.h"
#include "AliMC.h"
//
// Default constructor
//
+ fFGeom = 0;
+ fDTask = 0;
+ fReTask = 0;
fIshunt = 0;
+ fSDigits = 0 ;
+ fDigits = 0 ;
+ fReconParticles = 0;
+ fName="TOF";
+ fMerger = 0;
+/* fp
+ CreateTOFFolders();
+*/
}
//_____________________________________________________________________________
// Here are fixed some important parameters
//
- // Initialization of hits and digits array
+ // Initialization of hits, sdigits and digits array
//
- fHits = new TClonesArray("AliTOFhit", 405);
+ fHits = new TClonesArray("AliTOFhit", 1000);
gAlice->AddHitList(fHits);
fIshunt = 0;
- fDigits = new TClonesArray("AliTOFdigit",405);
+ fSDigits = new TClonesArray("AliTOFdigit", 1000);
+ fDigits = new TClonesArray("AliTOFdigit", 1000);
//
// Digitization parameters
//
SetMarkerSize(0.4);
// General Geometrical Parameters
- fNTof = 18;
- fRmax = 399.0;//cm
+ fNTof = 18; // number of sectors
+ fRmax = 399.0;//cm
fRmin = 370.0;//cm
- fZlenC = 177.5;//cm
- fZlenB = 141.0;//cm
- fZlenA = 106.0;//cm
- fZtof = 370.5;//cm
+ fZlenC = 177.5;//cm length of module C
+ fZlenB = 141.0;//cm length of module B
+ fZlenA = 106.0;//cm length of module A
+ fZtof = 371.5;//cm total semi-length of TOF detector
// Strip Parameters
fStripLn = 122.0;//cm Strip Length
fNpadX = 48; // Number of pads in a strip along the X direction
fNpadZ = 2; // Number of pads in a strip along the Z direction
fPadXStr = fNpadX*fNpadZ; //Number of pads per strip
- fNStripA = 0;
- fNStripB = 0;
- fNStripC = 0;
+ fNStripA = 15; // number of strips in A type module
+ fNStripB = 19; // number of strips in B type module
+ fNStripC = 20; // number of strips in C type module
// Physical performances
fTimeRes = 100.;//ps
fChrgRes = 100.;//pC
// DAQ characteristics
- fPadXSector = 1932;
- fNRoc = 14;
- fNFec = 32;
- fNTdc = 32;
- fNPadXRoc = (Int_t)fPadXSector/fNRoc;
+// cfr. TOF-TDR pag. 105 for Glossary
+// TARODA : TOF-ALICE Read Out and Data Acquisition system
+ fPadXSector = 8928; // number of pad per sector -with no holes-
+ // ((15+2*19+2*20)*(48*2))
+ fNRoc = 14; // number of Roc (Read Out Controller) (TARODA)
+ fNFec = 32; // number of Fec (Front-End electronic Card)
+ // (TARODA)
+ fNTdc = 32; // number of Tdc (Time to Digital Converter)
+ fNPadXRoc = (Int_t)fPadXSector/fNRoc; // number of pads for each ROC
+ /* fp 25 Sept 2001
+ // Create TOF Folder Structure
+ CreateTOFFolders();
+ */
+}
+
+//_____________________________________________________________________________
+void AliTOF::CreateTOFFolders()
+{
+ // create the ALICE TFolder
+ // create the ALICE TTasks
+ // create the ALICE main TFolder
+ // to be done by AliRun
+
+ TFolder * alice = new TFolder();
+ alice->SetNameTitle("FPAlice", "Alice Folder") ;
+ gROOT->GetListOfBrowsables()->Add(alice) ;
+
+ TFolder * aliceF = alice->AddFolder("folders", "Alice memory Folder") ;
+ // make it the owner of the objects that it contains
+ aliceF->SetOwner() ;
+ // geometry folder
+ TFolder * geomF = aliceF->AddFolder("Geometry", "Geometry objects") ;
+ TFolder * aliceT = alice->AddFolder("tasks", "Alice tasks Folder") ;
+ // make it the owner of the objects that it contains
+ aliceT->SetOwner() ;
+
+ TTask * aliceDi = new TTask("(S)Digitizer", "Alice SDigitizer & Digitizer") ;
+ aliceT->Add(aliceDi);
+
+ TTask * aliceRe = new TTask("Reconstructioner", "Alice Reconstructioner") ;
+ aliceT->Add(aliceRe);
+
+ char * tempo = new char[80] ;
+
+ // creates the TOF Digitizer and adds it to alice main (S)Digitizer task
+ sprintf(tempo, "%sDigitizers container",GetName() ) ;
+ fDTask = new TTask(GetName(), tempo);
+ aliceDi->Add(fDTask) ;
+
+ // creates the TOF reconstructioner and adds it to alice main Reconstructioner task
+ sprintf(tempo, "%sReconstructioner container",GetName() ) ;
+ fReTask = new TTask(GetName(), tempo);
+ aliceRe->Add(fReTask) ;
+
+ delete [] tempo ;
+
+ // creates the TOF geometry folder
+ geomF->AddFolder("TOF", "Geometry for TOF") ;
+}
+
+//_____________________________________________________________________________
+AliTOF::~AliTOF()
+{
+ // dtor:
+ // it remove also the alice folder
+ // and task that TOF creates instead of AliRun
+ /* PH Temporarily commented because of problems
+ TFolder * alice = (TFolder*)gROOT->GetListOfBrowsables()->FindObject("FPAlice") ;
+ delete alice;
+ alice = 0;
+ */
+ if (fHits)
+ {
+ fHits->Delete ();
+ delete fHits;
+ fHits = 0;
+ }
+ if (fDigits)
+ {
+ fDigits->Delete ();
+ delete fDigits;
+ fDigits = 0;
+ }
+ if (fSDigits)
+ {
+ fSDigits->Delete ();
+ delete fSDigits;
+ fSDigits = 0;
+ }
+ if (fReconParticles)
+ {
+ fReconParticles->Delete ();
+ delete fReconParticles;
+ fReconParticles = 0;
+ }
+
}
//_____________________________________________________________________________
{
//
// Add a TOF hit
+ // new with placement used
//
TClonesArray &lhits = *fHits;
new(lhits[fNhits++]) AliTOFhit(fIshunt, track, vol, hits);
{
//
// Add a TOF digit
+ // new with placement used
//
TClonesArray &ldigits = *fDigits;
new (ldigits[fNdigits++]) AliTOFdigit(tracks, vol, digits);
}
+//___________________________________________
+void AliTOF::AddSDigit(Int_t *tracks, Int_t *vol, Float_t *digits)
+{
+
+//
+// Add a TOF sdigit
+//
+
+ TClonesArray &lSDigits = *fSDigits;
+ new(lSDigits[fNSDigits++]) AliTOFdigit(tracks, vol, digits);
+}
+
+//_____________________________________________________________________________
+void AliTOF::SetTreeAddress ()
+{
+ // Set branch address for the Hits and Digits Tree.
+ char branchname[30];
+ AliDetector::SetTreeAddress ();
+
+ TBranch *branch;
+ TTree *treeD = gAlice->TreeD ();
+
+
+ if (treeD)
+ {
+ if (fDigits)
+ {
+ branch = treeD->GetBranch (branchname);
+ if (branch)
+ branch->SetAddress (&fDigits);
+ }
+
+ }
+ if (fSDigits)
+ // fSDigits->Clear ();
+
+ if (gAlice->TreeS () && fSDigits)
+ {
+ branch = gAlice->TreeS ()->GetBranch ("TOF");
+ if (branch)
+ branch->SetAddress (&fSDigits);
+ }
+
+ if (gAlice->TreeR() && fReconParticles)
+ {
+ branch = gAlice->TreeR()->GetBranch("TOF");
+ if (branch) branch->SetAddress(&fReconParticles) ;
+ }
+}
//_____________________________________________________________________________
void AliTOF::CreateGeometry()
const Double_t kPi=TMath::Pi();
const Double_t kDegrad=kPi/180.;
//
- Float_t xTof, yTof, Wall;
+ Float_t xTof, yTof, wall;
// frame inbetween TOF modules
- Wall = 4.;//cm
+ wall = 4.;//cm
// Sizes of TOF module with its support etc..
- xTof = 2.*(fRmin*TMath::Tan(10*kDegrad)-Wall/2-.5);
+ xTof = 2.*(fRmin*TMath::Tan(10*kDegrad)-wall/2-.5);
yTof = fRmax-fRmin;
// TOF module internal definitions
}
//_____________________________________________________________________________
-void AliTOF::DrawModule()
+void AliTOF::DrawModule() const
{
//
// Draw a shaded view of the common part of the TOF geometry
// Defines TOF materials for all versions
// Authors : Maxim Martemianov, Boris Zagreev (ITEP)
// 18/09/98
+ // Revision: F. Pierella 5-3-2001
+ // Bologna University
//
- Int_t ISXFLD = gAlice->Field()->Integ();
- Float_t SXMGMX = gAlice->Field()->Max();
+ Int_t isxfld = gAlice->Field()->Integ();
+ Float_t sxmgmx = gAlice->Field()->Max();
//
//--- Quartz (SiO2)
Float_t aq[2] = { 28.0855,15.9994 };
Float_t wq[2] = { 1.,2. };
Float_t dq = 2.20;
Int_t nq = -2;
- // --- Freon
- Float_t afre[2] = {12.011,18.9984032 };
- Float_t zfre[2] = { 6., 9.};
- Float_t wfre[2] = { 5.,12.};
- Float_t densfre = 1.5;
- Int_t nfre = -2;
+ // --- Freon C2F4H2 (TOF-TDR pagg.)
+ // Geant Manual CONS110-1, pag. 43 (Geant, Detector Description and Simulation Tool)
+ Float_t afre[3] = {12.011,18.998,1.007};
+ Float_t zfre[3] = { 6., 9., 1.};
+ Float_t wfre[3] = { 2., 4., 2.};
+ Float_t densfre = 0.00375;
+// http://www.fi.infn.it/sezione/prevprot/gas/freon.html
+ Int_t nfre = -3;
+/*
+ //-- Isobutane quencher C4H10 (5% in the sensitive mixture)
+ Float_t aiso[2] = {12.011,1.007};
+ Float_t ziso[2] = { 6., 1.};
+ Float_t wiso[2] = { 4., 10.};
+ Float_t densiso = .......; // (g/cm3) density
+ Int_t nfre = -2; // < 0 i.e. proportion by number of atoms of each kind
+ //-- SF6 (5% in the sensitive mixture)
+ Float_t asf[3] = {32.066,18.998};
+ Float_t zsf[3] = { 16., 9.};
+ Float_t wsf[3] = { 1., 6.};
+ Float_t denssf = .....; // (g/cm3) density
+ Int_t nfre = -2; // < 0 i.e. proportion by number of atoms of each kind
+*/
// --- CO2
Float_t ac[2] = {12.,16.};
Float_t zc[2] = { 6., 8.};
Float_t wmy[3] = { 5., 4., 2. };
Float_t dmy = 1.39;
Int_t nmy = -3;
- // For polyethilene (CH2) for honeycomb!!!!
+ // For polyethilene (CH2) - honeycomb -
Float_t ape[2] = { 12., 1. };
Float_t zpe[2] = { 6., 1. };
Float_t wpe[2] = { 1., 2. };
deemax = -.3; // Maximum fractional energy loss, DLS
stmin = -.8;
- AliMedium( 1, "Air$" , 1, 0, ISXFLD, SXMGMX, 10., stemax, deemax, epsil, stmin);
- AliMedium( 2, "Cu $" , 2, 0, ISXFLD, SXMGMX, 10., stemax, deemax, epsil, stmin);
- AliMedium( 3, "C $" , 3, 0, ISXFLD, SXMGMX, 10., stemax, deemax, epsil, stmin);
- AliMedium( 4, "Pol$" , 4, 0, ISXFLD, SXMGMX, 10., stemax, deemax, epsil, stmin);
- AliMedium( 5, "G10$" , 5, 0, ISXFLD, SXMGMX, 10., stemax, deemax, epsil, stmin);
- AliMedium( 6, "DME$" , 6, 0, ISXFLD, SXMGMX, 10., stemax, deemax, epsil, stmin);
- AliMedium( 7, "CO2$" , 7, 0, ISXFLD, SXMGMX, 10., -.01, -.1, .01, -.01);
- AliMedium( 8,"ALUMINA$", 8, 0, ISXFLD, SXMGMX, 10., stemax, deemax, epsil, stmin);
- AliMedium( 9,"Al Frame$",9, 0, ISXFLD, SXMGMX, 10., stemax, deemax, epsil, stmin);
- AliMedium(10, "DME-S$", 6, 1, ISXFLD, SXMGMX, 10., stemax, deemax, epsil, stmin);
- AliMedium(11, "C-TRD$", 10, 0, ISXFLD, SXMGMX, 10., stemax, deemax, epsil, stmin);
- AliMedium(12, "Myl$" , 11, 0, ISXFLD, SXMGMX, 10., stemax, deemax, epsil, stmin);
- AliMedium(13, "Fre$" , 12, 0, ISXFLD, SXMGMX, 10., stemax, deemax, epsil, stmin);
- AliMedium(14, "Fre-S$", 12, 1, ISXFLD, SXMGMX, 10., stemax, deemax, epsil, stmin);
- AliMedium(15, "Glass$", 13, 0, ISXFLD, SXMGMX, 10., stemax, deemax, epsil, stmin);
- AliMedium(16, "Water$", 14, 0, ISXFLD, SXMGMX, 10., stemax, deemax, epsil, stmin);
+ AliMedium( 1, "Air$" , 1, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
+ AliMedium( 2, "Cu $" , 2, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
+ AliMedium( 3, "C $" , 3, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
+ AliMedium( 4, "Pol$" , 4, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
+ AliMedium( 5, "G10$" , 5, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
+ AliMedium( 6, "DME$" , 6, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
+ AliMedium( 7, "CO2$" , 7, 0, isxfld, sxmgmx, 10., -.01, -.1, .01, -.01);
+ AliMedium( 8,"ALUMINA$", 8, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
+ AliMedium( 9,"Al Frame$",9, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
+ AliMedium(10, "DME-S$", 6, 1, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
+ AliMedium(11, "C-TRD$", 10, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
+ AliMedium(12, "Myl$" , 11, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
+ AliMedium(13, "Fre$" , 12, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
+ AliMedium(14, "Fre-S$", 12, 1, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
+ AliMedium(15, "Glass$", 13, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
+ AliMedium(16, "Water$", 14, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
}
//_____________________________________________________________________________
-Int_t AliTOF::DistancetoPrimitive(Int_t , Int_t )
+Int_t AliTOF::DistancetoPrimitive(Int_t , Int_t ) const
{
//
// Returns distance from mouse pointer to detector, default version
//
return 9999;
}
-
+
+//___________________________________________
+void AliTOF::ResetHits ()
+{
+ // Reset number of clusters and the cluster array for this detector
+ AliDetector::ResetHits ();
+}
+
+//____________________________________________
+void AliTOF::ResetDigits ()
+{
+ //
+ // Reset number of digits and the digits array for this detector
+ AliDetector::ResetDigits ();
+ //
+}
//_____________________________________________________________________________
void AliTOF::Init()
{
}
//____________________________________________________________________________
-void AliTOF::MakeBranch(Option_t* option, char *file)
-//
-// Initializes the Branches of the TOF inside the
-// trees written for each event.
-// AliDetector::MakeBranch initializes just the
-// Branch inside TreeH. Here we add the branch in
-// TreeD.
-//
+void AliTOF::MakeBranch(Option_t* option, const char *file)
{
-
+ //
+ // Initializes the Branches of the TOF inside the
+ // trees written for each event.
+ // AliDetector::MakeBranch initializes just the
+ // Branch inside TreeH. Here we add the branches in
+ // TreeD, TreeS and TreeR.
+ //
AliDetector::MakeBranch(option,file);
Int_t buffersize = 4000;
Char_t branchname[10];
sprintf(branchname,"%s",GetName());
- const char *D = strstr(option,"D");
+ const char *oD = strstr(option,"D");
+ const char *oS = strstr(option,"S");
+ const char *oR = strstr(option,"R");
- if (fDigits && gAlice->TreeD() && D){
- gAlice->MakeBranchInTree(gAlice->TreeD(),
+ if (oD)
+ //
+ // one branch for TOF digits
+ //
+
+
+ if (fDigits && gAlice->TreeD() && oD){
+ MakeBranchInTree(gAlice->TreeD(),
branchname, &fDigits,buffersize, file) ;
}
+
+ if (oS)
+ //
+ // one branch for TOF sdigits
+ //
+
+
+ if (fSDigits && gAlice->TreeS() && oS){
+ MakeBranchInTree(gAlice->TreeS(),
+ branchname, &fSDigits,buffersize, file) ;
+ }
+
+ if (oR)
+ //
+ // one branch for TOF reconstructed particles
+ //
+
+
+ if (fReconParticles && gAlice->TreeR() && oR){
+ MakeBranchInTree(gAlice->TreeR(),
+ branchname, &fReconParticles,buffersize, file) ;
+ }
+
+}
+
+//____________________________________________________________________________
+void AliTOF::Makehits(Bool_t hits)
+{
+// default argument used, see AliTOF.h
+// Enable/Disable the writing of the TOF-hits branch
+// on TreeH
+// by default : enabled for TOFv1, v2, v3, v4
+// disabled for TOFv0
+//
+ if (hits && (IsVersion()!=0))
+ fIdSens = gMC->VolId("FPAD");
+ else
+ cout << "Option for writing the TOF-hits branch on TreeH: disabled" << endl;
}
//____________________________________________________________________________
void AliTOF::FinishEvent()
{
-// Hits2Digits();
+// do nothing
}
//___________________________________________
void AliTOF::SDigits2Digits()
{
//
-// Genneratedigits
+// Generate digits performing merging
//
+ /*
int nparticles = gAlice->GetNtrack();
cout << "Particles :" <<nparticles<<endl;
if (nparticles > 0 ) {
- Hits2Digits(0);
+
+ AliTOF::Hits2Digits();
+
}
+ */
+ cout<<"AliTOF::SDigits2Digits"<<endl;
+ if (fMerger) {
+ fMerger->Init();
+ cout<<"AliTOF::SDigits2Digits Init"<<endl;
+ fMerger->Digitise();
+ cout<<"AliTOF::SDigits2Digits Digitise() "<<endl;
+ }
+}
+
+//---------------------------------------------------------------------
+void AliTOF::SetMerger(AliTOFMerger* merger)
+{
+// Set pointer to merger
+ fMerger = merger;
+}
+
+//---------------------------------------------------------------------
+AliTOFMerger* AliTOF::Merger()
+{
+// Return pointer to merger
+ return fMerger;
}
//____________________________________________________________________________
-void AliTOF::Hits2Digits(Int_t evNumber)
+void AliTOF::TOFHits2SDigits()
+{
//
-// Starting from the Hits Tree (TreeH), this
-// function writes the Digits Tree (TreeD) storing
+// Starting from the Hits Tree (TreeH), this
+// function writes the TOF SDigits Branch in the TreeS storing
// the digits informations.
-// Has to be called just at the end of an event or
+// It has to be called just at the end of an event or
// at the end of a whole run.
-// It could also be called by AliTOF::Finish Event()
-// but it can be too heavy.
+// It could also be called by AliTOF::Finish Event()
// Just for MC events.
//
-// Called by the macro H2D.C
+// Called by the ROOT script Hits2SDigits.C
//
-{
- AliTOFhit* currentHit;
- TTree *TD, *TH;
- Int_t tracks[3];
- Int_t vol[5];
- Float_t digit[2];
- TClonesArray* TOFhits=this->Hits();
-
- Int_t nparticles = gAlice->GetNtrack();
- if (nparticles <= 0) return;
-
- TD = gAlice->TreeD();
- TH = gAlice->TreeH();
- Int_t ntracks =(Int_t) TH->GetEntries();
- Int_t nbytes, nhits;
- TRandom *rnd = new TRandom();
-
- for (Int_t ntk=0; ntk<ntracks; ntk++){
-
- nbytes = TH->GetEvent(ntk);
- nhits = TOFhits->GetEntriesFast();
-
- for (Int_t hit=0; hit<nhits; hit++){
-
- currentHit = (AliTOFhit*)(TOFhits->At(hit));
+// Simulation of detector response.
+
+ Int_t ver = this->IsVersion();
+ if(ver==0) return; // no sdigits for AliTOFv0
+
+ AliTOF *TOF = (AliTOF *) gAlice->GetDetector ("TOF");
+
+ if (fNevents == 0)
+ fNevents = (Int_t) gAlice->TreeE ()->GetEntries ();
+
+ cout << "nevents found on file " << fNevents << endl;
+ // Start Event ------------------------- LOOP
+
+ for (Int_t ievent = 0; ievent < fNevents; ievent++)
+ {
+ gAlice->GetEvent (ievent);
+ if (gAlice->TreeH () == 0)
+ return; // no hits stored
+ if (gAlice->TreeS () == 0)
+ gAlice->MakeTree ("S");
+
+
+ Int_t nSdigits = 0;
+
+ //Make branches
+ char branchname[20];
+ sprintf (branchname, "%s", TOF->GetName ());
+ //Make branch for TOF sdigits
+ TOF->MakeBranch ("S");
+
+ Int_t tracks[3]; // track info
+ Int_t vol[5]; // location for a digit
+ Float_t digit[2]; // TOF digit variables
+ Int_t hit, nbytes;
+ TParticle *particle;
+ AliTOFhit *tofHit;
+ TClonesArray *TOFhits = TOF->Hits();
+
+
+ if (TOF)
+ {
+ TOFhits = TOF->Hits(); // pointer to the TClonesArray of TOF hits
+ TTree *TH = gAlice->TreeH(); // pointer to the current TreeH
+ Stat_t ntracks = TH->GetEntries(); // number of tracks for the current event
+ for (Int_t track = 0; track < ntracks; track++)
+ {
+ gAlice->ResetHits ();
+ nbytes += TH->GetEvent(track);
+ particle = gAlice->Particle(track);
+ Int_t nhits = TOFhits->GetEntriesFast(); // number of hits for the current track
+
+ for (hit = 0; hit < nhits; hit++)
+ {
+ tofHit = (AliTOFhit*) TOFhits->UncheckedAt(hit);
+ vol[0] = tofHit->GetSector();
+ vol[1] = tofHit->GetPlate();
+ vol[2] = tofHit->GetStrip();
+ vol[3] = tofHit->GetPadx();
+ vol[4] = tofHit->GetPadz();
+
+ // 95% of efficiency to be inserted here
+ // edge effect to be inserted here
+ // cross talk to be inserted here
+
+ Float_t idealtime = tofHit->GetTof(); // unit s
+ idealtime *= 1.E+12; // conversion from s to ps
+ // fTimeRes is given usually in ps
+ Float_t tdctime = gRandom->Gaus(idealtime, fTimeRes);
+ digit[0] = tdctime;
+
+ // typical Landau Distribution to be inserted here
+ // instead of Gaussian Distribution
+ Float_t idealcharge = tofHit->GetEdep();
+ Float_t adccharge = gRandom->Gaus(idealcharge, fChrgRes);
+ digit[1] = adccharge;
+ Int_t tracknum = tofHit->GetTrack();
+ tracks[0] = tracknum;
+ tracks[1] = 0;
+ tracks[2] = 0;
+
+ // check if two digit are on the same pad; in that case we sum
+ // the two or more digits
+ Bool_t overlap = CheckOverlap(vol, digit, tracknum);
+ if(!overlap)
+ new ((*fSDigits)[nSdigits++]) AliTOFdigit(tracks, vol, digit);
+ //cout << "nSdigits" << endl;
+ } // end loop on hits for the current track
+
+ } // end loop on ntracks
+
+ } // close if TOF switched ON
+
+ gAlice->TreeS()->Fill();
+ gAlice->TreeS()->Print();
+
+ } //event loop
- vol[0] = currentHit->GetSector();
- vol[1] = currentHit->GetPlate();
- vol[2] = currentHit->GetPad_x();
- vol[3] = currentHit->GetPad_z();
- vol[4] = currentHit->GetStrip();
+}
- Float_t IdealTime = currentHit->GetTof();
- Float_t TDCTime = rnd->Gaus(IdealTime, fTimeRes);
- digit[0] = TDCTime;
+//---------------------------------------------------------------------
- Float_t IdealCharge = currentHit->GetEdep();
- Float_t ADCcharge = rnd->Gaus(IdealCharge, fChrgRes);
- digit[1] = ADCcharge;
+void AliTOF::Hits2SDigits()
+{
+//
+// Use the TOF SDigitizer to make TOF SDigits
+//
+//
+ //#ifdef DEBUG
+ cout<<"ALiTOF::Hits2SDigits> start...\n";
+ //#endif
+
+ char * fileSDigits = 0 ;
+ char * fileHeader = 0;
+ AliTOFSDigitizer * sd = new AliTOFSDigitizer(fileHeader,fileSDigits) ;
- Int_t Track = currentHit -> GetTrack();
- tracks[0] = Track;
- tracks[1] = 0;
- tracks[2] = 0;
+ sd->Exec("") ;
+ sd->Print("");
- Bool_t Overlap = CheckOverlap(vol, digit, Track);
- if(!Overlap) AddDigit(tracks, vol, digit);
- }
- }
- TD->Fill();
- TD->Write();
+ delete sd ;
+
}
-
//___________________________________________________________________________
Bool_t AliTOF::CheckOverlap(Int_t* vol, Float_t* digit,Int_t Track)
+{
//
// Checks if 2 or more hits belong to the same pad.
// In this case the data assigned to the digit object
// are the ones of the first hit in order of Time.
+// 2 hits from the same track on the same pad are collected.
+// Called only by Hits2SDigits.
+// This procedure has to be optimized in the next TOF release.
//
-// Called only by Hits2Digits.
-//
-{
- Bool_t Overlap = 0;
+
+ Bool_t overlap = kFALSE;
Int_t vol2[5];
- for (Int_t ndig=0; ndig<fNdigits; ndig++){
- AliTOFdigit* currentDigit = (AliTOFdigit*)(fDigits->UncheckedAt(ndig));
+ for (Int_t ndig=0; ndig<fSDigits->GetEntries(); ndig++){
+ AliTOFdigit* currentDigit = (AliTOFdigit*)(fSDigits->UncheckedAt(ndig));
currentDigit->GetLocation(vol2);
- Bool_t Idem=1;
+ Bool_t idem= kTRUE;
+ // check on digit volume
for (Int_t i=0;i<=4;i++){
- if (vol[i]!=vol2[i]) Idem=0;}
- if (Idem){
- Float_t TDC2 = digit[0];
- Float_t TDC1 = currentDigit->GetTdc();
- if (TDC1>TDC2){
- currentDigit->SetTdc(TDC2);
- currentDigit->SetAdc(digit[1]);
- }
- currentDigit->AddTrack(Track);
- Overlap = 1;
- }
- }
- return Overlap;
+ if (!idem) break;
+ if (vol[i]!=vol2[i]) idem=kFALSE;}
+
+ if (idem){ // same pad fired
+ Float_t tdc2 = digit[0];
+ Float_t tdc1 = currentDigit->GetTdc();
+
+ // we separate two digits on the same pad if
+ // they are separated in time by at least 25 ns
+ // remember that tdc time is given in ps
+
+ if (TMath::Abs(tdc1-tdc2)<25000){
+ // in case of overlap we take the earliest
+ if (tdc1>tdc2){
+ currentDigit->SetTdc(tdc2);
+ currentDigit->SetAdc(digit[1]);
+ }
+ else {
+ currentDigit->SetTdc(tdc1);
+ currentDigit->SetAdc(digit[1]);
+ }
+ currentDigit->AddTrack(Track); // add track number in the track array
+ overlap = kTRUE;
+ return overlap;
+ } else
+ overlap= kFALSE;
+
+ } // close if (idem) -> two digits on the same TOF pad
+
+ } // end loop on existing sdigits
+
+ return overlap;
}
//____________________________________________________________________________
void AliTOF::Digits2Raw(Int_t evNumber)
+{
//
// Starting from digits, writes the
// Raw Data objects, i.e. a
// TClonesArray of 18 AliTOFRawSector objects
//
-{
- TTree* TD;
+ TTree* tD;
+ // do nothing if no particles
Int_t nparticles = gAlice->GetEvent(evNumber);
if (nparticles <= 0) return;
- TD = gAlice->TreeD();
+ tD = gAlice->TreeD();
- TClonesArray* TOFdigits = this->Digits();
- Int_t ndigits = TOFdigits->GetEntriesFast();
+ TClonesArray* tofdigits = this->Digits();
+ Int_t ndigits = tofdigits->GetEntriesFast();
- TClonesArray* Raw = new TClonesArray("AliTOFRawSector",fNTof+2);
+ TClonesArray* rawsectors = new TClonesArray("AliTOFRawSector",fNTof+2);
for (Int_t isect=1;isect<=fNTof;isect++){
- AliTOFRawSector* currentSector = (AliTOFRawSector*)Raw->UncheckedAt(isect);
- TClonesArray* RocData = (TClonesArray*)currentSector->GetRocData();
+ AliTOFRawSector* currentSector = (AliTOFRawSector*)rawsectors->UncheckedAt(isect);
+ TClonesArray* rocData = (TClonesArray*)currentSector->GetRocData();
for (Int_t digit=0; digit<ndigits; digit++){
- AliTOFdigit* currentDigit = (AliTOFdigit*)TOFdigits->UncheckedAt(digit);
+ AliTOFdigit* currentDigit = (AliTOFdigit*)tofdigits->UncheckedAt(digit);
Int_t sector = currentDigit->GetSector();
if (sector==isect){
- Int_t Pad = currentDigit -> GetTotPad();
- Int_t Roc = (Int_t)(Pad/fNPadXRoc)-1;
- if (Roc>=fNRoc) printf("Wrong n. of ROC ! Roc = %i",Roc);
- Int_t PadRoc = (Int_t) Pad%fNPadXRoc;
- Int_t Fec = (Int_t)(PadRoc/fNFec)-1;
- Int_t Tdc = (Int_t)(PadRoc%fNFec)-1;
- Float_t Time = currentDigit->GetTdc();
- Float_t Charge = currentDigit->GetAdc();
- AliTOFRoc* currentROC = (AliTOFRoc*)RocData->UncheckedAt(Roc);
- Int_t Error = 0;
- currentROC->AddItem(Fec, Tdc, Error, Charge, Time);
- }
- }
+ Int_t pad = currentDigit -> GetTotPad();
+ Int_t roc = (Int_t)(pad/fNPadXRoc)-1;
+ if (roc>=fNRoc) printf("Wrong n. of ROC ! Roc = %i",roc);
+ Int_t padRoc = (Int_t) pad%fNPadXRoc;
+ Int_t fec = (Int_t)(padRoc/fNFec)-1;
+ Int_t tdc = (Int_t)(padRoc%fNFec)-1;
+ Float_t time = currentDigit->GetTdc();
+ Float_t charge = currentDigit->GetAdc();
+ AliTOFRoc* currentROC = (AliTOFRoc*)rocData->UncheckedAt(roc);
+ Int_t error = 0;
+ currentROC->AddItem(fec, tdc, error, charge, time);
+ } // close if (sector==isect) i.e. end loop on digits for the current sector
+ } // end loop on TOF digits
- UInt_t TotSize=16,RocSize=0;
- UInt_t RocHead[14],RocChek[14];
- UInt_t GlobalCheckSum=0;
+ UInt_t totSize=16,rocSize=0;
+ UInt_t rocHead[14],rocChek[14];
+ UInt_t globalCheckSum=0;
for (UInt_t iRoc = 1; iRoc<(UInt_t)fNRoc; iRoc++){
- AliTOFRoc* currentRoc = (AliTOFRoc*)RocData->UncheckedAt(iRoc);
- RocSize = currentRoc->Items*2+1;
- TotSize += RocSize*4;
- if (RocSize>=TMath::Power(2,16)) RocSize=0;
- RocHead[iRoc] = iRoc<<28;
- RocHead[iRoc] += RocSize;
- RocChek[iRoc] = currentRoc->GetCheckSum();
- Int_t HeadCheck = currentRoc->BitCount(RocHead[iRoc]);
- GlobalCheckSum += HeadCheck;
- GlobalCheckSum += RocChek[iRoc];
+ AliTOFRoc* currentRoc = (AliTOFRoc*)rocData->UncheckedAt(iRoc);
+ rocSize = currentRoc->GetItems()*2+1;
+ totSize += rocSize*4;
+ if (rocSize>=TMath::Power(2,16)) rocSize=0;
+ rocHead[iRoc] = iRoc<<28;
+ rocHead[iRoc] += rocSize;
+ rocChek[iRoc] = currentRoc->GetCheckSum();
+ Int_t headCheck = currentRoc->BitCount(rocHead[iRoc]);
+ globalCheckSum += headCheck;
+ globalCheckSum += rocChek[iRoc];
}
- AliTOFRoc* DummyRoc = new AliTOFRoc();
- TotSize *= 4;
- if (TotSize>=TMath::Power(2,24)) TotSize=0;
- UInt_t Header = TotSize;
- UInt_t SectId = ((UInt_t)isect)<<24;
- Header += SectId;
- GlobalCheckSum += DummyRoc->BitCount(Header);
- currentSector->SetGlobalCS(GlobalCheckSum);
- currentSector->SetHeader(Header);
+ AliTOFRoc* dummyRoc = new AliTOFRoc();
+ totSize *= 4;
+ if (totSize>=TMath::Power(2,24)) totSize=0;
+ UInt_t header = totSize;
+ UInt_t sectId = ((UInt_t)isect)<<24;
+ header += sectId;
+ globalCheckSum += dummyRoc->BitCount(header);
+ currentSector->SetGlobalCS(globalCheckSum);
+ currentSector->SetHeader(header);
}
}
//____________________________________________________________________________
void AliTOF::Raw2Digits(Int_t evNumber)
+{
//
// Converts Raw Data objects into digits objects.
// We schematize the raw data with a
// TClonesArray of 18 AliTOFRawSector objects
//
-{
- TTree *TD;
+
+ TTree *tD;
Int_t vol[5];
Int_t tracks[3];
Float_t digit[2];
Int_t nparticles = gAlice->GetEvent(evNumber);
if (nparticles <= 0) return;
- TD = gAlice->TreeD();
+ tD = gAlice->TreeD();
- TClonesArray* Raw = new TClonesArray("AliTOFRawSector",fNTof+2);
+ TClonesArray* rawsectors = new TClonesArray("AliTOFRawSector",fNTof+2);
for(Int_t nSec=1; nSec<=fNTof; nSec++){
- AliTOFRawSector* currentSector = (AliTOFRawSector*)Raw->UncheckedAt(nSec);
- TClonesArray* RocData = (TClonesArray*)currentSector->GetRocData();
+ AliTOFRawSector* currentSector = (AliTOFRawSector*)rawsectors->UncheckedAt(nSec);
+ TClonesArray* rocData = (TClonesArray*)currentSector->GetRocData();
for(Int_t nRoc=1; nRoc<=14; nRoc++){
- AliTOFRoc* currentRoc = (AliTOFRoc*)RocData->UncheckedAt(nRoc);
+ AliTOFRoc* currentRoc = (AliTOFRoc*)rocData->UncheckedAt(nRoc);
Int_t currentItems = currentRoc->GetItems();
for(Int_t item=1; item<currentItems; item++){
Int_t nPad = currentRoc->GetTotPad(item);
break;
}
vol[2] = nStrip;
- Int_t Pad = nPad%fPadXStr;
- if (Pad==0) Pad=fPadXStr;
+ Int_t pad = nPad%fPadXStr;
+ if (pad==0) pad=fPadXStr;
Int_t nPadX=0, nPadZ=0;
- (Pad>fNpadX)? nPadX -= fNpadX : nPadX = Pad ;
+ (pad>fNpadX)? nPadX -= fNpadX : nPadX = pad ;
vol[3] = nPadX;
- (Pad>fNpadX)? nPadZ = 2 : nPadZ = 1 ;
+ (pad>fNpadX)? nPadZ = 2 : nPadZ = 1 ;
vol[4] = nPadZ;
UInt_t error=0;
- Float_t TDC = currentRoc->GetTime(item,error);
- if (!error) digit[0]=TDC;
+ Float_t tdc = currentRoc->GetTime(item,error);
+ if (!error) digit[0]=tdc;
digit[1] = currentRoc->GetCharge(item);
AddDigit(tracks,vol,digit);
}
}
}
- TD->Fill();
- TD->Write();
+ tD->Fill();
+ tD->Write(0,TObject::kOverwrite);
}
-
-/******************************************************************************/
-
-ClassImp(AliTOFhit)
-
-//______________________________________________________________________________
-AliTOFhit::AliTOFhit(Int_t shunt, Int_t track, Int_t *vol,
- Float_t *hits)
-:AliHit(shunt, track)
-//
-// Constructor of hit object
-//
-{
- //
- // Store a TOF hit
- // _______________
- //
- // Hit Volume
- //
- fSector= vol[0];
- fPlate = vol[1];
- fStrip = vol[2];
- fPad_x = vol[3];
- fPad_z = vol[4];
- //
- //Position
- fX = hits[0];
- fY = hits[1];
- fZ = hits[2];
- //
- // Momentum
- fPx = hits[3];
- fPy = hits[4];
- fPz = hits[5];
- fPmom= hits[6];
- //
- // Time Of Flight
- fTof = hits[7]; //TOF[s]
- //
- // Other Data
- fDx = hits[8]; //Distance from the edge along x axis
- fDy = hits[9]; //Y cohordinate of the hit
- fDz = hits[10]; //Distance from the edge along z axis
- fIncA= hits[11]; //Incidence angle
- fEdep= hits[12]; //Energy loss in TOF pad
-}
-
-//******************************************************************************
-
-ClassImp(AliTOFdigit)
-
-//______________________________________________________________________________
-AliTOFdigit::AliTOFdigit(Int_t *tracks, Int_t *vol,Float_t *digit)
-:AliDigit(tracks)
-//
-// Constructor of digit object
-//
-{
- fSector = vol[0];
- fPlate = vol[1];
- fStrip = vol[2];
- fPad_x = vol[3];
- fPad_z = vol[4];
- fTdc = digit[0];
- fAdc = digit[1];
-}
-
-//______________________________________________________________________________
-void AliTOFdigit::GetLocation(Int_t *Loc)
-//
-// Get the cohordinates of the digit
-// in terms of Sector - Plate - Strip - Pad
-//
-{
- Loc[0]=fSector;
- Loc[1]=fPlate;
- Loc[2]=fStrip;
- Loc[3]=fPad_x;
- Loc[4]=fPad_z;
-}
-
-//______________________________________________________________________________
-Int_t AliTOFdigit::GetTotPad()
-//
-// Get the "total" index of the pad inside a Sector
-// starting from the digits data.
-//
-{
- AliTOF* TOF;
-
- if(gAlice){
- TOF =(AliTOF*) gAlice->GetDetector("TOF");
- }else{
- printf("AliTOFdigit::GetTotPad - No AliRun object present, exiting");
- return 0;
- }
-
- Int_t Pad = fPad_x+TOF->fNpadX*(fPad_z-1);
- Int_t Before=0;
-
- switch(fPlate){
- case 1: Before = 0;
- break;
- case 2: Before = TOF->fNStripC;
- break;
- case 3: Before = TOF->fNStripB + TOF->fNStripC;
- break;
- case 4: Before = TOF->fNStripA + TOF->fNStripB + TOF->fNStripC;
- break;
- case 5: Before = TOF->fNStripA + 2*TOF->fNStripB + TOF->fNStripC;
- break;
- }
-
- Int_t Strip = fStrip+Before;
- Int_t PadTot = TOF->fPadXStr*(Strip-1)+Pad;
- return PadTot;
-}
-
-//______________________________________________________________________________
-void AliTOFdigit::AddTrack(Int_t track)
-//
-// Add a track to the digit
-//
-{
- if (fTracks[1]==0){
- fTracks[1] = track;
- }else if (fTracks[2]==0){
- fTracks[2] = track;
- }else{
- // printf("AliTOFdigit::AddTrack ERROR: Too many Tracks (>3) \n");
- }
-}
-
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff