/*
$Log$
+Revision 1.31 2001/11/22 11:22:51 hristov
+Updated version of TOF digitization, N^2 problem solved (J.Chudoba)
+
+Revision 1.30 2001/10/21 18:30:39 hristov
+Several pointers were set to zero in the default constructors to avoid memory management problems
+
+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
#include "AliTOF.h"
#include "AliTOFhit.h"
+#include "AliTOFhitT0.h"
#include "AliTOFdigit.h"
+#include "AliTOFSDigit.h"
#include "AliTOFRawSector.h"
#include "AliTOFRoc.h"
#include "AliTOFRawDigit.h"
fIshunt = 0;
fSDigits = 0 ;
fDigits = 0 ;
+ fReconParticles = 0;
fName="TOF";
+ fMerger = 0;
/* fp
CreateTOFFolders();
*/
}
//_____________________________________________________________________________
-AliTOF::AliTOF(const char *name, const char *title)
+AliTOF::AliTOF(const char *name, const char *title, Option_t *option="noTimeZero")
: AliDetector(name,title)
{
//
//
// Initialization of hits, sdigits and digits array
- //
- fHits = new TClonesArray("AliTOFhit", 1000);
+ // added option for time zero analysis
+ if (strstr(option,"tzero")){
+ fHits = new TClonesArray("AliTOFhitT0", 1000);
+ cout << "tzero option requires AliTOFv4T0 as TOF version (check Your Config.C)" << endl;
+ }else{
+ fHits = new TClonesArray("AliTOFhit", 1000);
+ }
gAlice->AddHitList(fHits);
fIshunt = 0;
- fSDigits = new TClonesArray("AliTOFdigit", 1000);
+ fSDigits = new TClonesArray("AliTOFSDigit", 1000);
fDigits = new TClonesArray("AliTOFdigit", 1000);
//
// Digitization parameters
TClonesArray &lhits = *fHits;
new(lhits[fNhits++]) AliTOFhit(fIshunt, track, vol, hits);
}
-
+
+//_____________________________________________________________________________
+void AliTOF::AddT0Hit(Int_t track, Int_t *vol, Float_t *hits)
+{
+ //
+ // Add a TOF hit
+ // new with placement used
+ //
+ TClonesArray &lhits = *fHits;
+ new(lhits[fNhits++]) AliTOFhitT0(fIshunt, track, vol, hits);
+}
+
//_____________________________________________________________________________
void AliTOF::AddDigit(Int_t *tracks, Int_t *vol, Float_t *digits)
{
}
//___________________________________________
-void AliTOF::AddSDigit(Int_t *tracks, Int_t *vol, Float_t *digits)
+void AliTOF::AddSDigit(Int_t tracknum, Int_t *vol, Float_t *digits)
{
//
//
TClonesArray &lSDigits = *fSDigits;
- new(lSDigits[fNSDigits++]) AliTOFdigit(tracks, vol, digits);
+ new(lSDigits[fNSDigits++]) AliTOFSDigit(tracknum, vol, digits);
}
//_____________________________________________________________________________
}
}
- if (fSDigits)
+// if (fSDigits)
// fSDigits->Clear ();
if (gAlice->TreeS () && fSDigits)
Float_t wwa[2] = { 2., 1. };
Float_t dwa = 1.0;
Int_t nwa = -2;
+
+// stainless steel
+ Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 };
+ Float_t zsteel[4] = { 26.,24.,28.,14. };
+ Float_t wsteel[4] = { .715,.18,.1,.005 };
+
//
//AliMaterial(0, "Vacuum$", 1e-16, 1e-16, 1e-16, 1e16, 1e16);
AliMaterial( 1, "Air$",14.61,7.3,0.001205,30423.24,67500.);
AliMixture (12, "Freon$", afre, zfre, densfre, nfre, wfre);
AliMixture (13, "Quartz$", aq, zq, dq, nq, wq);
AliMixture (14, "Water$", awa, zwa, dwa, nwa, wwa);
+ AliMixture (15, "STAINLESS STEEL$", asteel, zsteel, 7.88, 4, wsteel);
Float_t epsil, stmin, deemax, stemax;
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$", 14, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
+ AliMedium(17, "STEEL$", 15, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
}
//_____________________________________________________________________________
return fMerger;
}
-//____________________________________________________________________________
-void AliTOF::TOFHits2SDigits()
-{
-//
-// Starting from the Hits Tree (TreeH), this
-// function writes the TOF SDigits Branch in the TreeS storing
-// the digits informations.
-// 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()
-// Just for MC events.
-//
-// Called by the ROOT script Hits2SDigits.C
-//
-// 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
-
-}
//---------------------------------------------------------------------
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff