1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
7 * Permission to use, copy, modify and distribute this software and its *
8 * documentation strictly for non-commercial purposes is hereby granted *
9 * without fee, provided that the above copyright notice appears in all *
10 * copies and that both the copyright notice and this permission notice *
11 * appear in the supporting documentation. The authors make no claims *
12 * about the suitability of this software for any purpose. It is *
13 * provided "as is" without express or implied warranty. *
14 **************************************************************************/
17 ///////////////////////////////////////////////////////////////////////////////
20 // This class contains the basic functions for the Time Of Flight //
21 // detector. Functions specific to one particular geometry are //
22 // contained in the derived classes //
24 // VERSIONE WITH 5 SYMMETRIC MODULES ALONG Z AXIS //
25 // ============================================================ //
27 // VERSION WITH HOLES FOR PHOS AND TRD IN SPACEFRAME WITH HOLES //
29 // Volume sensibile : FPAD //
34 ///////////////////////////////////////////////////////////////////////////////
37 <img src="picts/AliTOFClass.gif">
41 #include <TClonesArray.h>
47 #include <TVirtualMC.h>
48 #include <TStopwatch.h>
51 #include "AliLoader.h"
56 #include "AliRawReader.h"
58 //#include "AliTOFDDLRawData.h"
59 #include "AliTOFDigitizer.h"
60 #include "AliTOFdigit.h"
61 #include "AliTOFhitT0.h"
62 #include "AliTOFhit.h"
63 #include "AliTOFGeometry.h"
64 #include "AliTOFSDigitizer.h"
65 #include "AliTOFSDigit.h"
67 #include "AliTOFrawData.h"
68 #include "AliTOFRawStream.h"
74 extern TVirtualMC *gMC;
76 extern AliRun *gAlice;
80 //_____________________________________________________________________________
92 fTOFRawWriter(AliTOFDDLRawData())
95 // Default constructor
98 //by default all sectors switched on
99 for (Int_t ii=0; ii<18; ii++) fTOFSectors[ii]=0;
107 //_____________________________________________________________________________
108 AliTOF::AliTOF(const char *name, const char *title, Option_t *option)
110 AliDetector(name,title),
116 fReconParticles(0x0),
121 fTOFRawWriter(AliTOFDDLRawData())
124 // AliTOF standard constructor
126 // Here are fixed some important parameters
129 // Initialization of hits, sdigits and digits array
130 // added option for time zero analysis
132 fTOFGeometry = new AliTOFGeometry();
134 //by default all sectors switched on
135 for (Int_t ii=0; ii<18; ii++) fTOFSectors[ii]=0;
137 if (strstr(option,"tzero")){
138 fHits = new TClonesArray("AliTOFhitT0", 1000);
140 // AliWarning("tzero option requires AliTOFv4T0/AliTOFv5T0 as TOF version (check Your Config.C)");
142 fHits = new TClonesArray("AliTOFhit", 1000);
146 AliFatal("gAlice==0 !");
149 AliMC *mcApplication = (AliMC*)gAlice->GetMCApp();
151 if (mcApplication->GetHitLists())
152 mcApplication->AddHitList(fHits);
153 else AliError("gAlice->GetHitLists()==0");
156 fSDigits = new TClonesArray("AliTOFSDigit", 1000);
157 fDigits = new TClonesArray("AliTOFdigit", 1000);
160 // Digitization parameters
162 // (Transfer Functions to be inserted here)
164 //PH SetMarkerColor(7);
165 //PH SetMarkerStyle(2);
166 //PH SetMarkerSize(0.4);
169 //fGapA = 4.; //cm Gap beetween tilted strip in A-type plate
170 //fGapB = 6.; //cm Gap beetween tilted strip in B-type plate
172 // Physical performances
173 //fTimeRes = 100.;//ps
174 //fChrgRes = 100.;//pC
178 //____________________________________________________________________________
179 void AliTOF::SetTOFSectors(Int_t *sectors)
181 // Setter for partial/full TOF configuration
183 for(Int_t isec=0;isec<18;isec++){
184 fTOFSectors[isec]=sectors[isec];
187 //____________________________________________________________________________
188 void AliTOF::GetTOFSectors(Int_t *sectors) const
190 // Getter for partial/full TOF configuration
192 for(Int_t isec=0;isec<18;isec++){
193 sectors[isec]=fTOFSectors[isec];
197 //_____________________________________________________________________________
198 void AliTOF::CreateTOFFolders()
200 // create the ALICE TFolder
201 // create the ALICE TTasks
202 // create the ALICE main TFolder
203 // to be done by AliRun
205 TFolder * alice = new TFolder();
206 alice->SetNameTitle("FPAlice", "Alice Folder") ;
207 gROOT->GetListOfBrowsables()->Add(alice) ;
209 TFolder * aliceF = alice->AddFolder("folders", "Alice memory Folder") ;
210 // make it the owner of the objects that it contains
213 TFolder * geomF = aliceF->AddFolder("Geometry", "Geometry objects") ;
214 TFolder * aliceT = alice->AddFolder("tasks", "Alice tasks Folder") ;
215 // make it the owner of the objects that it contains
218 TTask * aliceDi = new TTask("(S)Digitizer", "Alice SDigitizer & Digitizer") ;
219 aliceT->Add(aliceDi);
221 TTask * aliceRe = new TTask("Reconstructioner", "Alice Reconstructioner") ;
222 aliceT->Add(aliceRe);
224 char * tempo = new char[80] ;
226 // creates the TOF Digitizer and adds it to alice main (S)Digitizer task
227 sprintf(tempo, "%sDigitizers container",GetName() ) ;
228 fDTask = new TTask(GetName(), tempo);
229 aliceDi->Add(fDTask) ;
231 // creates the TOF reconstructioner and adds it to alice main Reconstructioner task
232 sprintf(tempo, "%sReconstructioner container",GetName() ) ;
233 fReTask = new TTask(GetName(), tempo);
234 aliceRe->Add(fReTask) ;
238 // creates the TOF geometry folder
239 geomF->AddFolder("TOF", "Geometry for TOF") ;
242 //_____________________________________________________________________________
246 // it remove also the alice folder
247 // and task that TOF creates instead of AliRun
248 /* PH Temporarily commented because of problems
249 TFolder * alice = (TFolder*)gROOT->GetListOfBrowsables()->FindObject("FPAlice") ;
274 fReconParticles->Delete ();
275 delete fReconParticles;
281 //_____________________________________________________________________________
282 void AliTOF::AddHit(Int_t track, Int_t *vol, Float_t *hits)
286 // new with placement used
288 TClonesArray &lhits = *fHits;
289 new(lhits[fNhits++]) AliTOFhit(fIshunt, track, vol, hits);
292 //_____________________________________________________________________________
293 void AliTOF::AddT0Hit(Int_t track, Int_t *vol, Float_t *hits)
297 // new with placement used
299 TClonesArray &lhits = *fHits;
300 new(lhits[fNhits++]) AliTOFhitT0(fIshunt, track, vol, hits);
303 //_____________________________________________________________________________
304 void AliTOF::AddDigit(Int_t *tracks, Int_t *vol, Int_t *digits)
308 // new with placement used
310 TClonesArray &ldigits = *fDigits;
311 new (ldigits[fNdigits++]) AliTOFdigit(tracks, vol, digits);
314 //_____________________________________________________________________________
315 void AliTOF::AddSDigit(Int_t tracknum, Int_t *vol, Int_t *digits)
322 TClonesArray &lSDigits = *fSDigits;
323 new(lSDigits[fNSDigits++]) AliTOFSDigit(tracknum, vol, digits);
326 //_____________________________________________________________________________
327 void AliTOF::SetTreeAddress ()
329 // Set branch address for the Hits and Digits Tree.
331 if (fLoader->TreeH())
335 if (fTZero) fHits = new TClonesArray("AliTOFhitT0", 1000);
336 else fHits = new TClonesArray("AliTOFhit", 1000);
339 AliDetector::SetTreeAddress ();
343 if (fLoader->TreeS () )
345 branch = fLoader->TreeS ()->GetBranch ("TOF");
347 if (fSDigits == 0x0) fSDigits = new TClonesArray("AliTOFSDigit", 1000);
348 branch->SetAddress (&fSDigits);
352 if (fLoader->TreeR() )
354 branch = fLoader->TreeR()->GetBranch("TOF");
357 if (fReconParticles == 0x0) fReconParticles = new TClonesArray("AliTOFcluster", 1000);
358 branch->SetAddress(&fReconParticles);
363 if (fLoader->TreeR() && fReconParticles) //I do not know where this array is created - skowron
365 branch = fLoader->TreeR()->GetBranch("TOF");
368 branch->SetAddress(&fReconParticles) ;
374 //_____________________________________________________________________________
375 void AliTOF::CreateGeometry()
378 // Common geometry code
382 <img src="picts/AliTOFv23.gif">
389 if (IsVersion()==8) {
391 xTof = 124.5;//fTOFGeometry->StripLength()+2.*(0.3+0.03); // cm, x-dimension of FTOA volume
392 yTof = fTOFGeometry->Rmax()-fTOFGeometry->Rmin(); // cm, y-dimension of FTOA volume
393 Float_t zTof = fTOFGeometry->ZlenA(); // cm, z-dimension of FTOA volume
395 // TOF module internal definitions
396 TOFpc(xTof, yTof, zTof);
398 } else if (IsVersion()==7) {
400 xTof = 124.5;//fTOFGeometry->StripLength()+2.*(0.3+0.03); // cm, x-dimension of FTOA volume
401 yTof = fTOFGeometry->Rmax()-fTOFGeometry->Rmin(); // cm, y-dimension of FTOA volume
402 Float_t zTof = fTOFGeometry->ZlenA(); // cm, z-dimension of FTOA volume
404 // TOF module internal definitions
405 TOFpc(xTof, yTof, zTof, fTOFGeometry->ZlenB());
409 Float_t wall = 4.;//cm // frame inbetween TOF modules
411 // Sizes of TOF module with its support etc..
412 xTof = 2.*(fTOFGeometry->Rmin()*TMath::Tan(10.*kDegrad)-wall/2.-0.5);
413 yTof = fTOFGeometry->Rmax()-fTOFGeometry->Rmin();
415 // TOF module internal definitions
416 TOFpc(xTof, yTof, fTOFGeometry->ZlenC(), fTOFGeometry->ZlenB(), fTOFGeometry->ZlenA(), fTOFGeometry->MaxhZtof());
421 //_____________________________________________________________________________
422 void AliTOF::DrawModule() const
425 // Draw a shaded view of the common part of the TOF geometry
428 AliInfo(" Drawing of AliTOF");
429 // Set everything unseen
430 gMC->Gsatt("*", "seen", -1);
432 // Set ALIC mother transparent
433 gMC->Gsatt("ALIC","SEEN",0);
435 // Set the volumes visible
436 gMC->Gsatt("FTOA","SEEN",1);
437 gMC->Gsatt("FTOB","SEEN",1);
438 gMC->Gsatt("FTOC","SEEN",1);
439 gMC->Gsatt("FLTA","SEEN",1);
440 gMC->Gsatt("FLTB","SEEN",1);
441 gMC->Gsatt("FLTC","SEEN",1);
442 gMC->Gsatt("FSTR","SEEN",1);
444 gMC->Gdopt("hide", "on");
445 gMC->Gdopt("shad", "on");
446 gMC->Gsatt("*", "fill", 7);
447 gMC->SetClipBox(".");
448 gMC->SetClipBox("*", 0, 1000, -1000, 1000, -1000, 1000);
450 gMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .02, .02);
451 gMC->Gdhead(1111, "Time Of Flight");
452 gMC->Gdman(18, 4, "MAN");
453 gMC->Gdopt("hide","off");
456 //___________________________________________
457 void AliTOF::ResetHits ()
459 // Reset number of clusters and the cluster array for this detector
460 AliDetector::ResetHits ();
463 //____________________________________________
464 void AliTOF::ResetDigits ()
467 // Reset number of digits and the digits array for this detector
468 AliDetector::ResetDigits ();
471 //____________________________________________
472 void AliTOF::ResetSDigits ()
475 // Reset number of sdigits and the sdigits array for this detector
480 //_____________________________________________________________________________
484 // Initialise TOF detector after it has been built
486 // Set id of TOF sensitive volume
487 if (IsVersion() !=0) fIdSens=gMC->VolId("FPAD");
491 TDirectory* saveDir = gDirectory;
492 AliRunLoader::Instance()->CdGAFile();
493 fTOFGeometry->Write("TOFGeometry");
498 //____________________________________________________________________________
499 void AliTOF::MakeBranch(Option_t* option)
502 // Initializes the Branches of the TOF inside the
503 // trees written for each event.
504 // AliDetector::MakeBranch initializes just the
505 // Branch inside TreeH. Here we add the branches in
506 // TreeD, TreeS and TreeR.
508 const char *oH = strstr(option,"H");
509 if (fLoader->TreeH() && oH)
513 if (fTZero) fHits = new TClonesArray("AliTOFhitT0", 1000);
514 else fHits = new TClonesArray("AliTOFhit", 1000);
518 AliDetector::MakeBranch(option);
520 Int_t buffersize = 4000;
521 Char_t branchname[10];
522 sprintf(branchname,"%s",GetName());
524 const char *oD = strstr(option,"D");
525 const char *oS = strstr(option,"S");
526 const char *oR = strstr(option,"R");
528 if (fLoader->TreeD() && oD){
529 if (fDigits == 0x0) fDigits = new TClonesArray("AliTOFdigit", 1000);
530 MakeBranchInTree(fLoader->TreeD(), branchname, &fDigits,buffersize, 0) ;
533 if (fLoader->TreeS() && oS){
534 if (fSDigits == 0x0) fSDigits = new TClonesArray("AliTOFSDigit", 1000);
535 MakeBranchInTree(fLoader->TreeS(), branchname, &fSDigits,buffersize, 0) ;
538 if (fLoader->TreeR() && oR){
539 if (fReconParticles == 0x0) fReconParticles = new TClonesArray("AliTOFcluster", 1000);
540 MakeBranchInTree(fLoader->TreeR(), branchname, &fReconParticles,buffersize, 0) ;
544 if (fReconParticles && fLoader->TreeR() && oR){
545 MakeBranchInTree(fLoader->TreeR(), branchname, &fReconParticles,buffersize, 0) ;
550 //____________________________________________________________________________
551 void AliTOF::Makehits(Bool_t hits)
553 // default argument used, see AliTOF.h
554 // Enable/Disable the writing of the TOF-hits branch
556 // by default : enabled for TOFv1, v2, v3, v4, v5
557 // disabled for TOFv0
559 if (hits && (IsVersion()!=0))
560 fIdSens = gMC->VolId("FPAD");
562 AliInfo("Option for writing the TOF-hits branch on TreeH: disabled");
565 //____________________________________________________________________________
566 void AliTOF::FinishEvent()
571 //____________________________________________________________________________
572 void AliTOF::Hits2SDigits()
575 // Use the TOF SDigitizer to make TOF SDigits
578 // AliInfo("Start...");
580 AliRunLoader * rl = fLoader->GetRunLoader();
581 AliDebug(2,"Initialized runLoader");
582 AliTOFSDigitizer sd((rl->GetFileName()).Data());
583 AliDebug(2,"Initialized TOF sdigitizer");
584 //ToAliDebug(1, sd.Print(""));
585 //AliInfo("ToAliDebug");
590 AliDebug(2,"I am sorting from AliTOF class");
594 //____________________________________________________________________________
595 void AliTOF::Hits2SDigits(Int_t evNumber1, Int_t evNumber2)
598 // Use the TOF SDigitizer to make TOF SDigits
601 if ((evNumber2-evNumber1)==1)
602 AliDebug(1, Form("I am making sdigits for the %dth event", evNumber1));
603 if ((evNumber2-evNumber1)>1)
604 AliDebug(1, Form("I am making sdigits for the events from the %dth to the %dth", evNumber1, evNumber2-1));
606 AliRunLoader * rl = fLoader->GetRunLoader();
607 AliTOFSDigitizer sd((rl->GetFileName()).Data(),evNumber1,evNumber2) ;
608 ToAliDebug(1, sd.Print(""));
614 //___________________________________________________________________________
615 AliDigitizer* AliTOF::CreateDigitizer(AliRunDigitizer* manager) const
617 AliDebug(2,"I am creating the TOF digitizer");
618 return new AliTOFDigitizer(manager);
621 //___________________________________________________________________________
622 Bool_t AliTOF::CheckOverlap(Int_t* vol, Int_t* digit,Int_t Track)
625 // Checks if 2 or more hits belong to the same pad.
626 // In this case the data assigned to the digit object
627 // are the ones of the first hit in order of Time.
628 // 2 hits from the same track on the same pad are collected.
629 // Called only by Hits2SDigits.
630 // This procedure has to be optimized in the next TOF release.
633 Bool_t overlap = kFALSE;
636 for (Int_t ndig=0; ndig<fSDigits->GetEntries(); ndig++){
637 AliTOFdigit* currentDigit = (AliTOFdigit*)(fSDigits->UncheckedAt(ndig));
638 currentDigit->GetLocation(vol2);
640 // check on digit volume
641 for (Int_t i=0;i<=4;i++){
643 if (vol[i]!=vol2[i]) idem=kFALSE;}
645 if (idem){ // same pad fired
646 Int_t tdc2 = digit[0];
647 Int_t tdc1 = currentDigit->GetTdc();
649 // we separate two digits on the same pad if
650 // they are separated in time by at least 25 ns
651 // remember that tdc time is given in ps
653 if (TMath::Abs(tdc1-tdc2)<25000){
654 // in case of overlap we take the earliest
656 currentDigit->SetTdc(tdc2);
657 currentDigit->SetAdc(digit[1]);
660 currentDigit->SetTdc(tdc1);
661 currentDigit->SetAdc(digit[1]);
663 currentDigit->AddTrack(Track); // add track number in the track array
669 } // close if (idem) -> two digits on the same TOF pad
671 } // end loop on existing sdigits
675 //____________________________________________________________________________
676 void AliTOF::Digits2Raw()
679 // Starting from the TOF digits, writes the Raw Data objects
682 TStopwatch stopwatch;
685 fLoader->LoadDigits();
687 TTree* digits = fLoader->TreeD();
689 AliError("no digits tree");
693 //AliTOFDDLRawData rawWriter;
694 fTOFRawWriter.Clear();
695 fTOFRawWriter.SetVerbose(0);
696 if (fTOFRawWriter.GetPackedAcquisitionMode()) {
697 if(fTOFRawWriter.GetMatchingWindow()>8192)
698 AliWarning(Form("You are running in packing mode and the matching window is %.2f ns, i.e. greater than 199.8848 ns",
699 fTOFRawWriter.GetMatchingWindow()*AliTOFGeometry::TdcBinWidth()*1.e-03));
702 AliDebug(1,"Formatting raw data for TOF");
704 fTOFRawWriter.RawDataTOF(digits->GetBranch("TOF"));
706 fLoader->UnloadDigits();
708 AliDebug(1, Form("Execution time to write TOF raw data : R:%.2fs C:%.2fs",
709 stopwatch.RealTime(),stopwatch.CpuTime()));
713 //____________________________________________________________________________
714 void AliTOF::RecreateSDigitsArray() {
716 // delete TClonesArray fSDigits and create it again
717 // needed for backward compatability with PPR test production
721 //____________________________________________________________________________
722 void AliTOF::CreateSDigitsArray() {
724 // create TClonesArray fSDigits
725 // needed for backward compatability with PPR test production
727 fSDigits = new TClonesArray("AliTOFSDigit", 1000);
729 //____________________________________________________________________________
730 Bool_t AliTOF::Raw2SDigits(AliRawReader* rawReader)
733 // Converts raw data to sdigits for TOF
736 TStopwatch stopwatch;
739 if(!GetLoader()->TreeS()) {MakeTree("S"); MakeBranch("S");}
740 //TClonesArray &aSDigits = *fSDigits;
742 AliTOFRawStream tofRawStream = AliTOFRawStream();
743 tofRawStream.Raw2SDigits(rawReader, fSDigits);
745 GetLoader()->TreeS()->Fill(); GetLoader()->WriteSDigits("OVERWRITE");//write out sdigits
746 Int_t nSDigits = fSDigits->GetEntries();
750 AliDebug(1, Form("Got %d TOF sdigits", nSDigits));
751 AliDebug(1, Form("Execution time to read TOF raw data and fill TOF sdigit tree : R:%.2fs C:%.2fs",
752 stopwatch.RealTime(),stopwatch.CpuTime()));
758 //____________________________________________________________________________
759 void AliTOF::Raw2Digits(AliRawReader* rawReader)
762 // Converts raw data to digits for TOF
765 TStopwatch stopwatch;
768 if(!GetLoader()->TreeD()) {MakeTree("D"); MakeBranch("D");}
769 //TClonesArray &aDigits = *fDigits;
771 AliTOFRawStream tofRawStream = AliTOFRawStream();
772 tofRawStream.Raw2Digits(rawReader, fDigits);
774 GetLoader()->TreeD()->Fill(); GetLoader()->WriteDigits("OVERWRITE");//write out digits
775 Int_t nDigits = fDigits->GetEntries();
779 AliDebug(1, Form("Got %d TOF digits", nDigits));
780 AliDebug(1, Form("Execution time to read TOF raw data and fill TOF digit tree : R:%.2fs C:%.2fs",
781 stopwatch.RealTime(),stopwatch.CpuTime()));