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 **************************************************************************/
18 Revision 1.41 2002/10/22 14:26:27 alibrary
19 Introducing Riostream.h
21 Revision 1.40 2002/10/14 14:57:42 hristov
22 Merging the VirtualMC branch to the main development branch (HEAD)
24 Revision 1.35.4.2 2002/07/24 10:08:43 alibrary
27 Revision 1.39 2002/06/24 14:09:12 vicinanz
28 review on materials and
30 Revision 1.38 2002/06/13 08:43:46 vicinanz
31 Merging added and test macro
33 Revision 1.37 2002/05/03 07:34:19 vicinanz
34 Updated SDigitizer; Added AliTOFanalyzeSDigits.C macro
36 Revision 1.36 2002/04/19 14:40:51 vicinanz
39 Revision 1.35 2002/03/21 13:52:53 vicinanz
40 Minor changes to AliTOF constructor
42 Revision 1.34 2002/02/20 13:41:38 hristov
43 Default arguments set only in the header file
45 Revision 1.33 2002/02/19 10:39:38 vicinanz
46 t0 classes added and material update (steel added)
48 Revision 1.31 2001/11/22 11:22:51 hristov
49 Updated version of TOF digitization, N^2 problem solved (J.Chudoba)
51 Revision 1.30 2001/10/21 18:30:39 hristov
52 Several pointers were set to zero in the default constructors to avoid memory management problems
54 Revision 1.29 2001/10/17 14:19:24 hristov
55 delete replaced by delete []
57 Revision 1.28 2001/10/05 12:02:01 vicinanz
58 Minor improvements on Merger and SDigitizer
60 Revision 1.27 2001/10/02 13:03:13 vicinanz
61 Minor improvements on the code
63 Revision 1.26 2001/09/27 10:39:20 vicinanz
64 SDigitizer and Merger added
66 Revision 1.25 2001/09/07 08:37:40 hristov
67 Pointers initialised to 0 in the default constructor
69 Revision 1.24 2001/09/05 16:31:00 hristov
70 The deletion of TOF folders temporarily commented out
72 Revision 1.23 2001/08/29 12:59:01 vicinanz
73 Minor changes to the Digitizer procedure
75 Revision 1.22 2001/08/28 08:45:58 vicinanz
76 TTask and TFolder structures implemented
78 Revision 1.21 2001/05/16 14:57:24 alibrary
79 New files for folders and Stack
81 Revision 1.20 2001/05/04 10:09:47 vicinanz
82 Major upgrades to the strip structure
84 Revision 1.19 2001/03/12 17:47:25 hristov
85 Changes needed on Sun with CC 5.0
87 Revision 1.18 2001/01/26 19:57:42 hristov
88 Major upgrade of AliRoot code
90 Revision 1.17 2000/10/19 09:58:14 vicinanz
91 Updated Hits2Digit procedure
93 Revision 1.16 2000/10/02 21:28:17 fca
94 Removal of useless dependecies via forward declarations
96 Revision 1.15 2000/05/18 14:33:01 vicinanz
97 Modified to be full HP compliant
99 Revision 1.14 2000/05/15 19:32:36 fca
102 Revision 1.13 2000/05/10 16:52:18 vicinanz
103 New TOF version with holes for PHOS/RICH
105 Revision 1.11.2.1 2000/05/10 09:37:15 vicinanz
106 New version with Holes for PHOS/RICH
108 Revision 1.11 1999/11/05 22:39:06 fca
111 Revision 1.10 1999/11/01 20:41:57 fca
112 Added protections against using the wrong version of FRAME
114 Revision 1.9 1999/10/15 15:35:19 fca
115 New version for frame1099 with and without holes
117 Revision 1.9 1999/09/29 09:24:33 fca
118 Introduction of the Copyright and cvs Log
122 ///////////////////////////////////////////////////////////////////////////////
125 // This class contains the basic functions for the Time Of Flight //
126 // detector. Functions specific to one particular geometry are //
127 // contained in the derived classes //
129 // VERSIONE WITH 5 SYMMETRIC MODULES ALONG Z AXIS
130 // ==============================================
132 // VERSION WITH HOLES FOR PHOS AND TRD IN SPACEFRAME WITH HOLES
134 // Volume sensibile : FPAD
140 <img src="picts/AliTOFClass.gif">
146 ///////////////////////////////////////////////////////////////////////////////
148 #include <Riostream.h>
149 #include <Rstrstream.h>
150 #include <Riostream.h>
154 #include "AliTOFhit.h"
155 #include "AliTOFhitT0.h"
156 #include "AliTOFdigit.h"
157 #include "AliTOFSDigit.h"
158 #include "AliTOFRawSector.h"
159 #include "AliTOFRoc.h"
160 #include "AliTOFRawDigit.h"
174 #include "AliConst.h"
179 //_____________________________________________________________________________
183 // Default constructor
192 fReconParticles = 0x0;
200 //_____________________________________________________________________________
201 AliTOF::AliTOF(const char *name, const char *title, Option_t *option)
202 : AliDetector(name,title)
205 // AliTOF standard constructor
207 // Here are fixed some important parameters
210 // Initialization of hits, sdigits and digits array
211 // added option for time zero analysis
212 if (strstr(option,"tzero")){
213 fHits = new TClonesArray("AliTOFhitT0", 1000);
214 cout << "tzero option requires AliTOFv4T0 as TOF version (check Your Config.C)" << endl;
216 fHits = new TClonesArray("AliTOFhit", 1000);
218 gAlice->AddHitList(fHits);
220 fSDigits = new TClonesArray("AliTOFSDigit", 1000);
221 fDigits = new TClonesArray("AliTOFdigit", 1000);
227 fReconParticles = 0x0;
231 // Digitization parameters
233 // (Transfer Functions to be inserted here)
239 // General Geometrical Parameters
240 fNTof = 18; // number of sectors
243 fZlenC = 177.5;//cm length of module C
244 fZlenB = 141.0;//cm length of module B
245 fZlenA = 106.0;//cm length of module A
246 fZtof = 371.5;//cm total semi-length of TOF detector
249 fStripLn = 122.0;//cm Strip Length
250 fSpace = 5.5;//cm Space Beetween the strip and the bottom of the plate
251 fDeadBndZ= 1.5;//cm Dead Boundaries of a Strip along Z direction (width)
252 fDeadBndX= 1.0;//cm Dead Boundaries of a Strip along X direction (length)
253 fXpad = 2.5;//cm X size of a pad
254 fZpad = 3.5;//cm Z size of a pad
255 fGapA = 4.; //cm Gap beetween tilted strip in A-type plate
256 fGapB = 6.; //cm Gap beetween tilted strip in B-type plate
257 fOverSpc = 15.3;//cm Space available for sensitive layers in radial direction
258 fNpadX = 48; // Number of pads in a strip along the X direction
259 fNpadZ = 2; // Number of pads in a strip along the Z direction
260 fPadXStr = fNpadX*fNpadZ; //Number of pads per strip
261 fNStripA = 15; // number of strips in A type module
262 fNStripB = 19; // number of strips in B type module
263 fNStripC = 20; // number of strips in C type module
265 // Physical performances
269 // DAQ characteristics
270 // cfr. TOF-TDR pag. 105 for Glossary
271 // TARODA : TOF-ALICE Read Out and Data Acquisition system
272 fPadXSector = 8928; // number of pad per sector -with no holes-
273 // ((15+2*19+2*20)*(48*2))
274 fNRoc = 14; // number of Roc (Read Out Controller) (TARODA)
275 fNFec = 32; // number of Fec (Front-End electronic Card)
277 fNTdc = 32; // number of Tdc (Time to Digital Converter)
278 fNPadXRoc = (Int_t)fPadXSector/fNRoc; // number of pads for each ROC
280 // Create TOF Folder Structure
285 //_____________________________________________________________________________
286 void AliTOF::CreateTOFFolders()
288 // create the ALICE TFolder
289 // create the ALICE TTasks
290 // create the ALICE main TFolder
291 // to be done by AliRun
293 TFolder * alice = new TFolder();
294 alice->SetNameTitle("FPAlice", "Alice Folder") ;
295 gROOT->GetListOfBrowsables()->Add(alice) ;
297 TFolder * aliceF = alice->AddFolder("folders", "Alice memory Folder") ;
298 // make it the owner of the objects that it contains
301 TFolder * geomF = aliceF->AddFolder("Geometry", "Geometry objects") ;
302 TFolder * aliceT = alice->AddFolder("tasks", "Alice tasks Folder") ;
303 // make it the owner of the objects that it contains
306 TTask * aliceDi = new TTask("(S)Digitizer", "Alice SDigitizer & Digitizer") ;
307 aliceT->Add(aliceDi);
309 TTask * aliceRe = new TTask("Reconstructioner", "Alice Reconstructioner") ;
310 aliceT->Add(aliceRe);
312 char * tempo = new char[80] ;
314 // creates the TOF Digitizer and adds it to alice main (S)Digitizer task
315 sprintf(tempo, "%sDigitizers container",GetName() ) ;
316 fDTask = new TTask(GetName(), tempo);
317 aliceDi->Add(fDTask) ;
319 // creates the TOF reconstructioner and adds it to alice main Reconstructioner task
320 sprintf(tempo, "%sReconstructioner container",GetName() ) ;
321 fReTask = new TTask(GetName(), tempo);
322 aliceRe->Add(fReTask) ;
326 // creates the TOF geometry folder
327 geomF->AddFolder("TOF", "Geometry for TOF") ;
330 //_____________________________________________________________________________
334 // it remove also the alice folder
335 // and task that TOF creates instead of AliRun
336 /* PH Temporarily commented because of problems
337 TFolder * alice = (TFolder*)gROOT->GetListOfBrowsables()->FindObject("FPAlice") ;
361 fReconParticles->Delete ();
362 delete fReconParticles;
368 //_____________________________________________________________________________
369 void AliTOF::AddHit(Int_t track, Int_t *vol, Float_t *hits)
373 // new with placement used
375 TClonesArray &lhits = *fHits;
376 new(lhits[fNhits++]) AliTOFhit(fIshunt, track, vol, hits);
379 //_____________________________________________________________________________
380 void AliTOF::AddT0Hit(Int_t track, Int_t *vol, Float_t *hits)
384 // new with placement used
386 TClonesArray &lhits = *fHits;
387 new(lhits[fNhits++]) AliTOFhitT0(fIshunt, track, vol, hits);
390 //_____________________________________________________________________________
391 void AliTOF::AddDigit(Int_t *tracks, Int_t *vol, Float_t *digits)
395 // new with placement used
397 TClonesArray &ldigits = *fDigits;
398 new (ldigits[fNdigits++]) AliTOFdigit(tracks, vol, digits);
401 //___________________________________________
402 void AliTOF::AddSDigit(Int_t tracknum, Int_t *vol, Float_t *digits)
409 TClonesArray &lSDigits = *fSDigits;
410 new(lSDigits[fNSDigits++]) AliTOFSDigit(tracknum, vol, digits);
413 //_____________________________________________________________________________
414 void AliTOF::SetTreeAddress ()
416 // Set branch address for the Hits and Digits Tree.
418 AliDetector::SetTreeAddress ();
421 TTree *treeD = gAlice->TreeD ();
428 branch = treeD->GetBranch (branchname);
430 branch->SetAddress (&fDigits);
435 // fSDigits->Clear ();
437 if (gAlice->TreeS () && fSDigits)
439 branch = gAlice->TreeS ()->GetBranch ("TOF");
441 branch->SetAddress (&fSDigits);
444 if (gAlice->TreeR() && fReconParticles)
446 branch = gAlice->TreeR()->GetBranch("TOF");
447 if (branch) branch->SetAddress(&fReconParticles) ;
451 //_____________________________________________________________________________
452 void AliTOF::CreateGeometry()
455 // Common geometry code
459 <img src="picts/AliTOFv23.gif">
463 const Double_t kPi=TMath::Pi();
464 const Double_t kDegrad=kPi/180.;
466 Float_t xTof, yTof, wall;
468 // frame inbetween TOF modules
471 // Sizes of TOF module with its support etc..
472 xTof = 2.*(fRmin*TMath::Tan(10*kDegrad)-wall/2-.5);
475 // TOF module internal definitions
476 TOFpc(xTof, yTof, fZlenC, fZlenB, fZlenA, fZtof);
479 //_____________________________________________________________________________
480 void AliTOF::DrawModule() const
483 // Draw a shaded view of the common part of the TOF geometry
486 cout << " Drawing of AliTOF"<< endl;
487 // Set everything unseen
488 gMC->Gsatt("*", "seen", -1);
490 // Set ALIC mother transparent
491 gMC->Gsatt("ALIC","SEEN",0);
493 // Set the volumes visible
494 gMC->Gsatt("FTOA","SEEN",1);
495 gMC->Gsatt("FTOB","SEEN",1);
496 gMC->Gsatt("FTOC","SEEN",1);
497 gMC->Gsatt("FLTA","SEEN",1);
498 gMC->Gsatt("FLTB","SEEN",1);
499 gMC->Gsatt("FLTC","SEEN",1);
500 gMC->Gsatt("FSTR","SEEN",1);
502 gMC->Gdopt("hide", "on");
503 gMC->Gdopt("shad", "on");
504 gMC->Gsatt("*", "fill", 7);
505 gMC->SetClipBox(".");
506 gMC->SetClipBox("*", 0, 1000, -1000, 1000, -1000, 1000);
508 gMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .02, .02);
509 gMC->Gdhead(1111, "Time Of Flight");
510 gMC->Gdman(18, 4, "MAN");
511 gMC->Gdopt("hide","off");
514 //_____________________________________________________________________________
515 void AliTOF::CreateMaterials()
518 // Defines TOF materials for all versions
519 // Revision: F. Pierella 18-VI-2002
522 Int_t isxfld = gAlice->Field()->Integ();
523 Float_t sxmgmx = gAlice->Field()->Max();
525 //--- Quartz (SiO2) to simulate float glass
526 // density tuned to have correct float glass
528 Float_t aq[2] = { 28.0855,15.9994 };
529 Float_t zq[2] = { 14.,8. };
530 Float_t wq[2] = { 1.,2. };
531 Float_t dq = 2.55; // std value: 2.2
534 // --- Freon C2F4H2 (TOF-TDR pagg.)
535 // Geant Manual CONS110-1, pag. 43 (Geant, Detector Description and Simulation Tool)
536 Float_t afre[3] = {12.011,18.998,1.007};
537 Float_t zfre[3] = { 6., 9., 1.};
538 Float_t wfre[3] = { 2., 4., 2.};
539 Float_t densfre = 0.00375;
540 // http://www.fi.infn.it/sezione/prevprot/gas/freon.html
543 //-- Isobutane quencher C4H10 (5% in the sensitive mixture)
544 Float_t aiso[2] = {12.011,1.007};
545 Float_t ziso[2] = { 6., 1.};
546 Float_t wiso[2] = { 4., 10.};
547 Float_t densiso = .......; // (g/cm3) density
548 Int_t nfre = -2; // < 0 i.e. proportion by number of atoms of each kind
549 //-- SF6 (5% in the sensitive mixture)
550 Float_t asf[3] = {32.066,18.998};
551 Float_t zsf[3] = { 16., 9.};
552 Float_t wsf[3] = { 1., 6.};
553 Float_t denssf = .....; // (g/cm3) density
554 Int_t nfre = -2; // < 0 i.e. proportion by number of atoms of each kind
557 Float_t ac[2] = {12.,16.};
558 Float_t zc[2] = { 6., 8.};
559 Float_t wc[2] = { 1., 2.};
560 Float_t dc = .001977;
562 // For mylar (C5H4O2)
563 Float_t amy[3] = { 12., 1., 16. };
564 Float_t zmy[3] = { 6., 1., 8. };
565 Float_t wmy[3] = { 5., 4., 2. };
568 // For polyethilene (CH2) - honeycomb -
569 Float_t ape[2] = { 12., 1. };
570 Float_t zpe[2] = { 6., 1. };
571 Float_t wpe[2] = { 1., 2. };
572 Float_t dpe = 0.935*0.479; //To have 1%X0 for 1cm as for honeycomb
575 Float_t ag10[4] = { 12.,1.,16.,28. };
576 Float_t zg10[4] = { 6.,1., 8.,14. };
577 Float_t wmatg10[4] = { .259,.288,.248,.205 };
578 Float_t densg10 = 1.7;
581 // plexiglass CH2=C(CH3)CO2CH3
582 Float_t aplex[3] = { 12.,1.,16.};
583 Float_t zplex[3] = { 6.,1., 8.};
584 Float_t wmatplex[3] = {5.,8.,2.};
585 Float_t densplex =1.16;
588 // ---- ALUMINA (AL203)
589 Float_t aal[2] = { 27.,16.};
590 Float_t zal[2] = { 13., 8.};
591 Float_t wmatal[2] = { 2.,3. };
592 Float_t densal = 2.3;
595 Float_t awa[2] = { 1., 16. };
596 Float_t zwa[2] = { 1., 8. };
597 Float_t wwa[2] = { 2., 1. };
602 Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 };
603 Float_t zsteel[4] = { 26.,24.,28.,14. };
604 Float_t wsteel[4] = { .715,.18,.1,.005 };
607 //AliMaterial(0, "Vacuum$", 1e-16, 1e-16, 1e-16, 1e16, 1e16);
608 AliMaterial( 1, "Air$",14.61,7.3,0.001205,30423.24,67500.);
609 AliMaterial( 2, "Cu $", 63.54, 29.0, 8.96, 1.43, 14.8);
610 AliMaterial( 3, "C $", 12.01, 6.0, 2.265,18.8, 74.4);
611 AliMixture ( 4, "Polyethilene$", ape, zpe, dpe, npe, wpe);
612 AliMixture ( 5, "G10$", ag10, zg10, densg10, nlmatg10, wmatg10);
613 AliMixture ( 6, "PLE$", aplex, zplex, densplex, nplex, wmatplex);
614 AliMixture ( 7, "CO2$", ac, zc, dc, nc, wc);
615 AliMixture ( 8, "ALUMINA$", aal, zal, densal, nlmatal, wmatal);
616 AliMaterial( 9, "Al $", 26.98, 13., 2.7, 8.9, 37.2);
617 AliMaterial(10, "C-TRD$", 12.01, 6., 2.265*18.8/69.282*15./100, 18.8, 74.4); // for 15%
618 AliMixture (11, "Mylar$", amy, zmy, dmy, nmy, wmy);
619 AliMixture (12, "Freon$", afre, zfre, densfre, nfre, wfre);
620 AliMixture (13, "Glass$", aq, zq, dq, nq, wq);
621 AliMixture (14, "Water$", awa, zwa, dwa, nwa, wwa);
622 AliMixture (15, "STAINLESS STEEL$", asteel, zsteel, 7.88, 4, wsteel);
624 Float_t epsil, stmin, deemax, stemax;
627 // EPSIL = 0.1 ! Tracking precision,
628 // STEMAX = 0.1 ! Maximum displacement for multiple scattering
629 // DEEMAX = 0.1 ! Maximum fractional energy loss, DLS
633 epsil = .001; // Tracking precision,
634 stemax = -1.; // Maximum displacement for multiple scattering
635 deemax = -.3; // Maximum fractional energy loss, DLS
638 AliMedium( 1, "Air$" , 1, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
639 AliMedium( 2, "Cu $" , 2, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
640 AliMedium( 3, "C $" , 3, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
641 AliMedium( 4, "Pol$" , 4, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
642 AliMedium( 5, "G10$" , 5, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
643 AliMedium( 6, "PLE$" , 6, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
644 AliMedium( 7, "CO2$" , 7, 0, isxfld, sxmgmx, 10., -.01, -.1, .01, -.01);
645 AliMedium( 8,"ALUMINA$", 8, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
646 AliMedium( 9,"Al Frame$",9, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
647 AliMedium(10, "DME-S$", 6, 1, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
648 AliMedium(11, "C-TRD$", 10, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
649 AliMedium(12, "Myl$" , 11, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
650 AliMedium(13, "Fre$" , 12, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
651 AliMedium(14, "Fre-S$", 12, 1, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
652 AliMedium(15, "Glass$", 13, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
653 AliMedium(16, "Water$", 14, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
654 AliMedium(17, "STEEL$", 15, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
657 //_____________________________________________________________________________
658 Int_t AliTOF::DistancetoPrimitive(Int_t , Int_t ) const
661 // Returns distance from mouse pointer to detector, default version
666 //___________________________________________
667 void AliTOF::ResetHits ()
669 // Reset number of clusters and the cluster array for this detector
670 AliDetector::ResetHits ();
673 //____________________________________________
674 void AliTOF::ResetDigits ()
677 // Reset number of digits and the digits array for this detector
678 AliDetector::ResetDigits ();
681 //_____________________________________________________________________________
685 // Initialise TOF detector after it has been built
687 // Set id of TOF sensitive volume
688 if (IsVersion() !=0) fIdSens=gMC->VolId("FPAD");
692 //____________________________________________________________________________
693 void AliTOF::MakeBranch(Option_t* option, const char *file)
696 // Initializes the Branches of the TOF inside the
697 // trees written for each event.
698 // AliDetector::MakeBranch initializes just the
699 // Branch inside TreeH. Here we add the branches in
700 // TreeD, TreeS and TreeR.
702 AliDetector::MakeBranch(option,file);
704 Int_t buffersize = 4000;
705 Char_t branchname[10];
706 sprintf(branchname,"%s",GetName());
708 const char *oD = strstr(option,"D");
709 const char *oS = strstr(option,"S");
710 const char *oR = strstr(option,"R");
714 // one branch for TOF digits
718 if (fDigits && gAlice->TreeD() && oD){
719 MakeBranchInTree(gAlice->TreeD(),
720 branchname, &fDigits,buffersize, file) ;
725 // one branch for TOF sdigits
729 if (fSDigits && gAlice->TreeS() && oS){
730 MakeBranchInTree(gAlice->TreeS(),
731 branchname, &fSDigits,buffersize, file) ;
736 // one branch for TOF reconstructed particles
740 if (fReconParticles && gAlice->TreeR() && oR){
741 MakeBranchInTree(gAlice->TreeR(),
742 branchname, &fReconParticles,buffersize, file) ;
747 //____________________________________________________________________________
748 void AliTOF::Makehits(Bool_t hits)
750 // default argument used, see AliTOF.h
751 // Enable/Disable the writing of the TOF-hits branch
753 // by default : enabled for TOFv1, v2, v3, v4
754 // disabled for TOFv0
756 if (hits && (IsVersion()!=0))
757 fIdSens = gMC->VolId("FPAD");
759 cout << "Option for writing the TOF-hits branch on TreeH: disabled" << endl;
762 //____________________________________________________________________________
763 void AliTOF::FinishEvent()
768 //___________________________________________
769 void AliTOF::SDigits2Digits()
772 // Generate digits performing merging
775 int nparticles = gAlice->GetNtrack();
776 cout << "Particles :" <<nparticles<<endl;
777 if (nparticles > 0 ) {
779 AliTOF::Hits2Digits();
783 cout<<"AliTOF::SDigits2Digits"<<endl;
786 cout<<"AliTOF::SDigits2Digits Init"<<endl;
788 cout<<"AliTOF::SDigits2Digits Digitise() "<<endl;
792 //---------------------------------------------------------------------
793 void AliTOF::SetMerger(AliTOFMerger* merger)
795 // Set pointer to merger
799 //---------------------------------------------------------------------
800 AliTOFMerger* AliTOF::Merger()
802 // Return pointer to merger
807 //---------------------------------------------------------------------
809 void AliTOF::Hits2SDigits()
812 // Use the TOF SDigitizer to make TOF SDigits
816 cout<<"ALiTOF::Hits2SDigits> start...\n";
819 //char * fileSDigits = 0 ;
820 char * fileHeader = 0;
821 AliTOFSDigitizer * sd = new AliTOFSDigitizer(fileHeader) ;
829 //___________________________________________________________________________
830 Bool_t AliTOF::CheckOverlap(Int_t* vol, Float_t* digit,Int_t Track)
833 // Checks if 2 or more hits belong to the same pad.
834 // In this case the data assigned to the digit object
835 // are the ones of the first hit in order of Time.
836 // 2 hits from the same track on the same pad are collected.
837 // Called only by Hits2SDigits.
838 // This procedure has to be optimized in the next TOF release.
841 Bool_t overlap = kFALSE;
844 for (Int_t ndig=0; ndig<fSDigits->GetEntries(); ndig++){
845 AliTOFdigit* currentDigit = (AliTOFdigit*)(fSDigits->UncheckedAt(ndig));
846 currentDigit->GetLocation(vol2);
848 // check on digit volume
849 for (Int_t i=0;i<=4;i++){
851 if (vol[i]!=vol2[i]) idem=kFALSE;}
853 if (idem){ // same pad fired
854 Float_t tdc2 = digit[0];
855 Float_t tdc1 = currentDigit->GetTdc();
857 // we separate two digits on the same pad if
858 // they are separated in time by at least 25 ns
859 // remember that tdc time is given in ps
861 if (TMath::Abs(tdc1-tdc2)<25000){
862 // in case of overlap we take the earliest
864 currentDigit->SetTdc(tdc2);
865 currentDigit->SetAdc(digit[1]);
868 currentDigit->SetTdc(tdc1);
869 currentDigit->SetAdc(digit[1]);
871 currentDigit->AddTrack(Track); // add track number in the track array
877 } // close if (idem) -> two digits on the same TOF pad
879 } // end loop on existing sdigits
885 //____________________________________________________________________________
886 void AliTOF::Digits2Raw(Int_t evNumber)
889 // Starting from digits, writes the
890 // Raw Data objects, i.e. a
891 // TClonesArray of 18 AliTOFRawSector objects
896 // do nothing if no particles
897 Int_t nparticles = gAlice->GetEvent(evNumber);
898 if (nparticles <= 0) return;
900 tD = gAlice->TreeD();
902 TClonesArray* tofdigits = this->Digits();
903 Int_t ndigits = tofdigits->GetEntriesFast();
905 TClonesArray* rawsectors = new TClonesArray("AliTOFRawSector",fNTof+2);
907 for (Int_t isect=1;isect<=fNTof;isect++){
908 AliTOFRawSector* currentSector = (AliTOFRawSector*)rawsectors->UncheckedAt(isect);
909 TClonesArray* rocData = (TClonesArray*)currentSector->GetRocData();
911 for (Int_t digit=0; digit<ndigits; digit++){
912 AliTOFdigit* currentDigit = (AliTOFdigit*)tofdigits->UncheckedAt(digit);
913 Int_t sector = currentDigit->GetSector();
915 Int_t pad = currentDigit -> GetTotPad();
916 Int_t roc = (Int_t)(pad/fNPadXRoc)-1;
917 if (roc>=fNRoc) printf("Wrong n. of ROC ! Roc = %i",roc);
918 Int_t padRoc = (Int_t) pad%fNPadXRoc;
919 Int_t fec = (Int_t)(padRoc/fNFec)-1;
920 Int_t tdc = (Int_t)(padRoc%fNFec)-1;
921 Float_t time = currentDigit->GetTdc();
922 Float_t charge = currentDigit->GetAdc();
923 AliTOFRoc* currentROC = (AliTOFRoc*)rocData->UncheckedAt(roc);
925 currentROC->AddItem(fec, tdc, error, charge, time);
926 } // close if (sector==isect) i.e. end loop on digits for the current sector
927 } // end loop on TOF digits
929 UInt_t totSize=16,rocSize=0;
930 UInt_t rocHead[14],rocChek[14];
931 UInt_t globalCheckSum=0;
933 for (UInt_t iRoc = 1; iRoc<(UInt_t)fNRoc; iRoc++){
934 AliTOFRoc* currentRoc = (AliTOFRoc*)rocData->UncheckedAt(iRoc);
935 rocSize = currentRoc->GetItems()*2+1;
936 totSize += rocSize*4;
937 if (rocSize>=TMath::Power(2,16)) rocSize=0;
938 rocHead[iRoc] = iRoc<<28;
939 rocHead[iRoc] += rocSize;
940 rocChek[iRoc] = currentRoc->GetCheckSum();
941 Int_t headCheck = currentRoc->BitCount(rocHead[iRoc]);
942 globalCheckSum += headCheck;
943 globalCheckSum += rocChek[iRoc];
946 AliTOFRoc* dummyRoc = new AliTOFRoc();
948 if (totSize>=TMath::Power(2,24)) totSize=0;
949 UInt_t header = totSize;
950 UInt_t sectId = ((UInt_t)isect)<<24;
952 globalCheckSum += dummyRoc->BitCount(header);
953 currentSector->SetGlobalCS(globalCheckSum);
954 currentSector->SetHeader(header);
958 //____________________________________________________________________________
959 void AliTOF::Raw2Digits(Int_t evNumber)
962 // Converts Raw Data objects into digits objects.
963 // We schematize the raw data with a
964 // TClonesArray of 18 AliTOFRawSector objects
976 Int_t nparticles = gAlice->GetEvent(evNumber);
977 if (nparticles <= 0) return;
979 tD = gAlice->TreeD();
981 TClonesArray* rawsectors = new TClonesArray("AliTOFRawSector",fNTof+2);
983 for(Int_t nSec=1; nSec<=fNTof; nSec++){
984 AliTOFRawSector* currentSector = (AliTOFRawSector*)rawsectors->UncheckedAt(nSec);
985 TClonesArray* rocData = (TClonesArray*)currentSector->GetRocData();
986 for(Int_t nRoc=1; nRoc<=14; nRoc++){
987 AliTOFRoc* currentRoc = (AliTOFRoc*)rocData->UncheckedAt(nRoc);
988 Int_t currentItems = currentRoc->GetItems();
989 for(Int_t item=1; item<currentItems; item++){
990 Int_t nPad = currentRoc->GetTotPad(item);
992 Int_t nStrip = (Int_t)(nPad/fPadXStr)+1;
994 if (nStrip<=fNStripC+2*fNStripB+fNStripA) nPlate = 4;
995 if (nStrip<=fNStripC+fNStripB+fNStripA) nPlate = 3;
996 if (nStrip<=fNStripC+fNStripB) nPlate = 2;
997 if (nStrip<=fNStripC) nPlate=1;
1001 case 2: nStrip -= (fNStripC);
1003 case 3: nStrip -= (fNStripC+fNStripB);
1005 case 4: nStrip -= (fNStripC+fNStripB+fNStripA);
1007 case 5: nStrip -= (fNStripC+2*fNStripB+fNStripA);
1011 Int_t pad = nPad%fPadXStr;
1012 if (pad==0) pad=fPadXStr;
1013 Int_t nPadX=0, nPadZ=0;
1014 (pad>fNpadX)? nPadX -= fNpadX : nPadX = pad ;
1016 (pad>fNpadX)? nPadZ = 2 : nPadZ = 1 ;
1019 Float_t tdc = currentRoc->GetTime(item,error);
1020 if (!error) digit[0]=tdc;
1021 digit[1] = currentRoc->GetCharge(item);
1022 AddDigit(tracks,vol,digit);
1027 tD->Write(0,TObject::kOverwrite);
1030 ////////////////////////////////////////////////////////////////////////
1031 void AliTOF::RecreateSDigitsArray() {
1033 // delete TClonesArray fSDigits and create it again
1034 // needed for backward compatability with PPR test production
1037 fSDigits = new TClonesArray("AliTOFSDigit", 1000);
1039 ////////////////////////////////////////////////////////////////////////
1040 void AliTOF::CreateSDigitsArray() {
1042 // create TClonesArray fSDigits
1043 // needed for backward compatability with PPR test production
1045 fSDigits = new TClonesArray("AliTOFSDigit", 1000);