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 "AliTOFDDLRawData.h"
57 #include "AliTOFDigitizer.h"
58 #include "AliTOFdigit.h"
59 #include "AliTOFhitT0.h"
60 #include "AliTOFhit.h"
61 #include "AliTOFGeometry.h"
62 #include "AliTOFSDigitizer.h"
63 #include "AliTOFSDigit.h"
70 extern TVirtualMC *gMC;
72 extern AliRun *gAlice;
77 //_____________________________________________________________________________
91 // Default constructor
94 //by default all sectors switched on
95 for (Int_t ii=0; ii<18; ii++) fTOFSectors[ii]=0;
102 //_____________________________________________________________________________
103 AliTOF::AliTOF(const char *name, const char *title, Option_t *option)
105 AliDetector(name,title),
111 fReconParticles(0x0),
118 // AliTOF standard constructor
120 // Here are fixed some important parameters
123 // Initialization of hits, sdigits and digits array
124 // added option for time zero analysis
126 fTOFGeometry = new AliTOFGeometry();
128 //by default all sectors switched on
129 for (Int_t ii=0; ii<18; ii++) fTOFSectors[ii]=0;
131 if (strstr(option,"tzero")){
132 fHits = new TClonesArray("AliTOFhitT0", 1000);
134 // AliWarning("tzero option requires AliTOFv4T0/AliTOFv5T0 as TOF version (check Your Config.C)");
136 fHits = new TClonesArray("AliTOFhit", 1000);
140 AliFatal("gAlice==0 !");
143 AliMC *mcApplication = (AliMC*)gAlice->GetMCApp();
145 if (mcApplication->GetHitLists())
146 mcApplication->AddHitList(fHits);
147 else AliError("gAlice->GetHitLists()==0");
150 fSDigits = new TClonesArray("AliTOFSDigit", 1000);
151 fDigits = new TClonesArray("AliTOFdigit", 1000);
154 // Digitization parameters
156 // (Transfer Functions to be inserted here)
158 //PH SetMarkerColor(7);
159 //PH SetMarkerStyle(2);
160 //PH SetMarkerSize(0.4);
163 //fGapA = 4.; //cm Gap beetween tilted strip in A-type plate
164 //fGapB = 6.; //cm Gap beetween tilted strip in B-type plate
166 // Physical performances
167 //fTimeRes = 100.;//ps
168 //fChrgRes = 100.;//pC
172 //____________________________________________________________________________
173 void AliTOF::SetTOFSectors(Int_t *sectors)
175 // Setter for partial/full TOF configuration
177 for(Int_t isec=0;isec<18;isec++){
178 fTOFSectors[isec]=sectors[isec];
181 //____________________________________________________________________________
182 void AliTOF::GetTOFSectors(Int_t *sectors) const
184 // Getter for partial/full TOF configuration
186 for(Int_t isec=0;isec<18;isec++){
187 sectors[isec]=fTOFSectors[isec];
191 //_____________________________________________________________________________
192 void AliTOF::CreateTOFFolders()
194 // create the ALICE TFolder
195 // create the ALICE TTasks
196 // create the ALICE main TFolder
197 // to be done by AliRun
199 TFolder * alice = new TFolder();
200 alice->SetNameTitle("FPAlice", "Alice Folder") ;
201 gROOT->GetListOfBrowsables()->Add(alice) ;
203 TFolder * aliceF = alice->AddFolder("folders", "Alice memory Folder") ;
204 // make it the owner of the objects that it contains
207 TFolder * geomF = aliceF->AddFolder("Geometry", "Geometry objects") ;
208 TFolder * aliceT = alice->AddFolder("tasks", "Alice tasks Folder") ;
209 // make it the owner of the objects that it contains
212 TTask * aliceDi = new TTask("(S)Digitizer", "Alice SDigitizer & Digitizer") ;
213 aliceT->Add(aliceDi);
215 TTask * aliceRe = new TTask("Reconstructioner", "Alice Reconstructioner") ;
216 aliceT->Add(aliceRe);
218 char * tempo = new char[80] ;
220 // creates the TOF Digitizer and adds it to alice main (S)Digitizer task
221 sprintf(tempo, "%sDigitizers container",GetName() ) ;
222 fDTask = new TTask(GetName(), tempo);
223 aliceDi->Add(fDTask) ;
225 // creates the TOF reconstructioner and adds it to alice main Reconstructioner task
226 sprintf(tempo, "%sReconstructioner container",GetName() ) ;
227 fReTask = new TTask(GetName(), tempo);
228 aliceRe->Add(fReTask) ;
232 // creates the TOF geometry folder
233 geomF->AddFolder("TOF", "Geometry for TOF") ;
236 //_____________________________________________________________________________
240 // it remove also the alice folder
241 // and task that TOF creates instead of AliRun
242 /* PH Temporarily commented because of problems
243 TFolder * alice = (TFolder*)gROOT->GetListOfBrowsables()->FindObject("FPAlice") ;
268 fReconParticles->Delete ();
269 delete fReconParticles;
275 //_____________________________________________________________________________
276 void AliTOF::AddHit(Int_t track, Int_t *vol, Float_t *hits)
280 // new with placement used
282 TClonesArray &lhits = *fHits;
283 new(lhits[fNhits++]) AliTOFhit(fIshunt, track, vol, hits);
286 //_____________________________________________________________________________
287 void AliTOF::AddT0Hit(Int_t track, Int_t *vol, Float_t *hits)
291 // new with placement used
293 TClonesArray &lhits = *fHits;
294 new(lhits[fNhits++]) AliTOFhitT0(fIshunt, track, vol, hits);
297 //_____________________________________________________________________________
298 void AliTOF::AddDigit(Int_t *tracks, Int_t *vol, Int_t *digits)
302 // new with placement used
304 TClonesArray &ldigits = *fDigits;
305 new (ldigits[fNdigits++]) AliTOFdigit(tracks, vol, digits);
308 //_____________________________________________________________________________
309 void AliTOF::AddSDigit(Int_t tracknum, Int_t *vol, Int_t *digits)
316 TClonesArray &lSDigits = *fSDigits;
317 new(lSDigits[fNSDigits++]) AliTOFSDigit(tracknum, vol, digits);
320 //_____________________________________________________________________________
321 void AliTOF::SetTreeAddress ()
323 // Set branch address for the Hits and Digits Tree.
325 if (fLoader->TreeH())
329 if (fTZero) fHits = new TClonesArray("AliTOFhitT0", 1000);
330 else fHits = new TClonesArray("AliTOFhit", 1000);
333 AliDetector::SetTreeAddress ();
337 if (fLoader->TreeS () )
339 branch = fLoader->TreeS ()->GetBranch ("TOF");
341 if (fSDigits == 0x0) fSDigits = new TClonesArray("AliTOFSDigit", 1000);
342 branch->SetAddress (&fSDigits);
346 if (fLoader->TreeR() )
348 branch = fLoader->TreeR()->GetBranch("TOF");
351 if (fReconParticles == 0x0) fReconParticles = new TClonesArray("AliTOFcluster", 1000);
352 branch->SetAddress(&fReconParticles);
357 if (fLoader->TreeR() && fReconParticles) //I do not know where this array is created - skowron
359 branch = fLoader->TreeR()->GetBranch("TOF");
362 branch->SetAddress(&fReconParticles) ;
368 //_____________________________________________________________________________
369 void AliTOF::CreateGeometry()
372 // Common geometry code
376 <img src="picts/AliTOFv23.gif">
383 if (IsVersion()==8) {
385 xTof = 124.5;//fTOFGeometry->StripLength()+2.*(0.3+0.03); // cm, x-dimension of FTOA volume
386 yTof = fTOFGeometry->Rmax()-fTOFGeometry->Rmin(); // cm, y-dimension of FTOA volume
387 Float_t zTof = fTOFGeometry->ZlenA(); // cm, z-dimension of FTOA volume
389 // TOF module internal definitions
390 TOFpc(xTof, yTof, zTof);
392 } else if (IsVersion()==7) {
394 xTof = 124.5;//fTOFGeometry->StripLength()+2.*(0.3+0.03); // cm, x-dimension of FTOA volume
395 yTof = fTOFGeometry->Rmax()-fTOFGeometry->Rmin(); // cm, y-dimension of FTOA volume
396 Float_t zTof = fTOFGeometry->ZlenA(); // cm, z-dimension of FTOA volume
398 // TOF module internal definitions
399 TOFpc(xTof, yTof, zTof, fTOFGeometry->ZlenB());
403 Float_t wall = 4.;//cm // frame inbetween TOF modules
405 // Sizes of TOF module with its support etc..
406 xTof = 2.*(fTOFGeometry->Rmin()*TMath::Tan(10.*kDegrad)-wall/2.-0.5);
407 yTof = fTOFGeometry->Rmax()-fTOFGeometry->Rmin();
409 // TOF module internal definitions
410 TOFpc(xTof, yTof, fTOFGeometry->ZlenC(), fTOFGeometry->ZlenB(), fTOFGeometry->ZlenA(), fTOFGeometry->MaxhZtof());
415 //_____________________________________________________________________________
416 void AliTOF::DrawModule() const
419 // Draw a shaded view of the common part of the TOF geometry
422 AliInfo(" Drawing of AliTOF");
423 // Set everything unseen
424 gMC->Gsatt("*", "seen", -1);
426 // Set ALIC mother transparent
427 gMC->Gsatt("ALIC","SEEN",0);
429 // Set the volumes visible
430 gMC->Gsatt("FTOA","SEEN",1);
431 gMC->Gsatt("FTOB","SEEN",1);
432 gMC->Gsatt("FTOC","SEEN",1);
433 gMC->Gsatt("FLTA","SEEN",1);
434 gMC->Gsatt("FLTB","SEEN",1);
435 gMC->Gsatt("FLTC","SEEN",1);
436 gMC->Gsatt("FSTR","SEEN",1);
438 gMC->Gdopt("hide", "on");
439 gMC->Gdopt("shad", "on");
440 gMC->Gsatt("*", "fill", 7);
441 gMC->SetClipBox(".");
442 gMC->SetClipBox("*", 0, 1000, -1000, 1000, -1000, 1000);
444 gMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .02, .02);
445 gMC->Gdhead(1111, "Time Of Flight");
446 gMC->Gdman(18, 4, "MAN");
447 gMC->Gdopt("hide","off");
450 //___________________________________________
451 void AliTOF::ResetHits ()
453 // Reset number of clusters and the cluster array for this detector
454 AliDetector::ResetHits ();
457 //____________________________________________
458 void AliTOF::ResetDigits ()
461 // Reset number of digits and the digits array for this detector
462 AliDetector::ResetDigits ();
465 //____________________________________________
466 void AliTOF::ResetSDigits ()
469 // Reset number of sdigits and the sdigits array for this detector
474 //_____________________________________________________________________________
478 // Initialise TOF detector after it has been built
480 // Set id of TOF sensitive volume
481 if (IsVersion() !=0) fIdSens=gMC->VolId("FPAD");
485 TDirectory* saveDir = gDirectory;
486 gAlice->GetRunLoader()->CdGAFile();
487 fTOFGeometry->Write("TOFGeometry");
492 //____________________________________________________________________________
493 void AliTOF::MakeBranch(Option_t* option)
496 // Initializes the Branches of the TOF inside the
497 // trees written for each event.
498 // AliDetector::MakeBranch initializes just the
499 // Branch inside TreeH. Here we add the branches in
500 // TreeD, TreeS and TreeR.
502 const char *oH = strstr(option,"H");
503 if (fLoader->TreeH() && oH)
507 if (fTZero) fHits = new TClonesArray("AliTOFhitT0", 1000);
508 else fHits = new TClonesArray("AliTOFhit", 1000);
512 AliDetector::MakeBranch(option);
514 Int_t buffersize = 4000;
515 Char_t branchname[10];
516 sprintf(branchname,"%s",GetName());
518 const char *oD = strstr(option,"D");
519 const char *oS = strstr(option,"S");
520 const char *oR = strstr(option,"R");
522 if (fLoader->TreeD() && oD){
523 if (fDigits == 0x0) fDigits = new TClonesArray("AliTOFdigit", 1000);
524 MakeBranchInTree(fLoader->TreeD(), branchname, &fDigits,buffersize, 0) ;
527 if (fLoader->TreeS() && oS){
528 if (fSDigits == 0x0) fSDigits = new TClonesArray("AliTOFSDigit", 1000);
529 MakeBranchInTree(fLoader->TreeS(), branchname, &fSDigits,buffersize, 0) ;
532 if (fLoader->TreeR() && oR){
533 if (fReconParticles == 0x0) fReconParticles = new TClonesArray("AliTOFcluster", 1000);
534 MakeBranchInTree(fLoader->TreeR(), branchname, &fReconParticles,buffersize, 0) ;
538 if (fReconParticles && fLoader->TreeR() && oR){
539 MakeBranchInTree(fLoader->TreeR(), branchname, &fReconParticles,buffersize, 0) ;
544 //____________________________________________________________________________
545 void AliTOF::Makehits(Bool_t hits)
547 // default argument used, see AliTOF.h
548 // Enable/Disable the writing of the TOF-hits branch
550 // by default : enabled for TOFv1, v2, v3, v4, v5
551 // disabled for TOFv0
553 if (hits && (IsVersion()!=0))
554 fIdSens = gMC->VolId("FPAD");
556 AliInfo("Option for writing the TOF-hits branch on TreeH: disabled");
559 //____________________________________________________________________________
560 void AliTOF::FinishEvent()
565 //____________________________________________________________________________
566 void AliTOF::Hits2SDigits()
569 // Use the TOF SDigitizer to make TOF SDigits
572 // AliInfo("Start...");
574 AliRunLoader * rl = fLoader->GetRunLoader();
575 AliTOFSDigitizer sd((rl->GetFileName()).Data());
576 ToAliDebug(1, sd.Print(""));
582 //____________________________________________________________________________
583 void AliTOF::Hits2SDigits(Int_t evNumber1, Int_t evNumber2)
586 // Use the TOF SDigitizer to make TOF SDigits
589 if ((evNumber2-evNumber1)==1)
590 AliDebug(1, Form("I am making sdigits for the %dth event", evNumber1));
591 if ((evNumber2-evNumber1)>1)
592 AliDebug(1, Form("I am making sdigits for the events from the %dth to the %dth", evNumber1, evNumber2-1));
594 AliRunLoader * rl = fLoader->GetRunLoader();
595 AliTOFSDigitizer sd((rl->GetFileName()).Data(),evNumber1,evNumber2) ;
596 ToAliDebug(1, sd.Print(""));
602 //___________________________________________________________________________
603 AliDigitizer* AliTOF::CreateDigitizer(AliRunDigitizer* manager) const
605 return new AliTOFDigitizer(manager);
608 //___________________________________________________________________________
609 Bool_t AliTOF::CheckOverlap(Int_t* vol, Int_t* digit,Int_t Track)
612 // Checks if 2 or more hits belong to the same pad.
613 // In this case the data assigned to the digit object
614 // are the ones of the first hit in order of Time.
615 // 2 hits from the same track on the same pad are collected.
616 // Called only by Hits2SDigits.
617 // This procedure has to be optimized in the next TOF release.
620 Bool_t overlap = kFALSE;
623 for (Int_t ndig=0; ndig<fSDigits->GetEntries(); ndig++){
624 AliTOFdigit* currentDigit = (AliTOFdigit*)(fSDigits->UncheckedAt(ndig));
625 currentDigit->GetLocation(vol2);
627 // check on digit volume
628 for (Int_t i=0;i<=4;i++){
630 if (vol[i]!=vol2[i]) idem=kFALSE;}
632 if (idem){ // same pad fired
633 Int_t tdc2 = digit[0];
634 Int_t tdc1 = currentDigit->GetTdc();
636 // we separate two digits on the same pad if
637 // they are separated in time by at least 25 ns
638 // remember that tdc time is given in ps
640 if (TMath::Abs(tdc1-tdc2)<25000){
641 // in case of overlap we take the earliest
643 currentDigit->SetTdc(tdc2);
644 currentDigit->SetAdc(digit[1]);
647 currentDigit->SetTdc(tdc1);
648 currentDigit->SetAdc(digit[1]);
650 currentDigit->AddTrack(Track); // add track number in the track array
656 } // close if (idem) -> two digits on the same TOF pad
658 } // end loop on existing sdigits
662 //____________________________________________________________________________
663 void AliTOF::Digits2Raw()
666 // Starting from the TOF digits, writes the Raw Data objects
669 TStopwatch stopwatch;
672 fLoader->LoadDigits();
674 TTree* digits = fLoader->TreeD();
676 AliError("no digits tree");
681 fRunLoader->CdGAFile();
682 TFile *in=(TFile*)gFile;
684 AliTOFGeometry *geometry = (AliTOFGeometry*)in->Get("TOFgeometry");
686 AliTOFDDLRawData rawWriter;
687 //AliTOFDDLRawData rawWriter;
688 rawWriter.SetVerbose(0);
689 //rawWriter.SetFakeOrphaneProduction(kTRUE);
690 //rawWriter.SetPackedAcquisitionMode(kFALSE);
691 if (rawWriter.GetPackedAcquisitionMode()) {
692 if(rawWriter.GetMatchingWindow()>8192)
693 AliWarning(Form("You are running in packing mode and the matching window is %.2f ns, i.e. greater than 199.8848 ns",
694 rawWriter.GetMatchingWindow()*AliTOFGeometry::TdcBinWidth()*1.e-03));
697 AliDebug(1,"Formatting raw data for TOF");
699 rawWriter.RawDataTOF(digits->GetBranch("TOF"));
701 fLoader->UnloadDigits();
703 AliDebug(1, Form("Execution time to write TOF raw data : R:%.2fs C:%.2fs",
704 stopwatch.RealTime(),stopwatch.CpuTime()));
708 //____________________________________________________________________________
709 void AliTOF::RecreateSDigitsArray() {
711 // delete TClonesArray fSDigits and create it again
712 // needed for backward compatability with PPR test production
716 //____________________________________________________________________________
717 void AliTOF::CreateSDigitsArray() {
719 // create TClonesArray fSDigits
720 // needed for backward compatability with PPR test production
722 fSDigits = new TClonesArray("AliTOFSDigit", 1000);