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[u/mrichter/AliRoot.git] / TOF / AliTOF.cxx
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4c039060 1/**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
3 * *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
6 * *
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 **************************************************************************/
15
16/*
17$Log$
5839f074 18Revision 1.23 2001/08/29 12:59:01 vicinanz
19Minor changes to the Digitizer procedure
20
0efc163f 21Revision 1.22 2001/08/28 08:45:58 vicinanz
22TTask and TFolder structures implemented
23
68861244 24Revision 1.21 2001/05/16 14:57:24 alibrary
25New files for folders and Stack
26
9e1a0ddb 27Revision 1.20 2001/05/04 10:09:47 vicinanz
28Major upgrades to the strip structure
29
b94fa26c 30Revision 1.19 2001/03/12 17:47:25 hristov
31Changes needed on Sun with CC 5.0
32
5cf7bbad 33Revision 1.18 2001/01/26 19:57:42 hristov
34Major upgrade of AliRoot code
35
2ab0c725 36Revision 1.17 2000/10/19 09:58:14 vicinanz
37Updated Hits2Digit procedure
38
c2af3d73 39Revision 1.16 2000/10/02 21:28:17 fca
40Removal of useless dependecies via forward declarations
41
94de3818 42Revision 1.15 2000/05/18 14:33:01 vicinanz
43Modified to be full HP compliant
44
f5489efc 45Revision 1.14 2000/05/15 19:32:36 fca
46Add AddHitList !!
47
c8bd506f 48Revision 1.13 2000/05/10 16:52:18 vicinanz
49New TOF version with holes for PHOS/RICH
50
2cef3cb2 51Revision 1.11.2.1 2000/05/10 09:37:15 vicinanz
52New version with Holes for PHOS/RICH
53
1cedd08a 54Revision 1.11 1999/11/05 22:39:06 fca
55New hits structure
56
826b71ec 57Revision 1.10 1999/11/01 20:41:57 fca
58Added protections against using the wrong version of FRAME
59
ab76897d 60Revision 1.9 1999/10/15 15:35:19 fca
61New version for frame1099 with and without holes
62
937fe4a4 63Revision 1.9 1999/09/29 09:24:33 fca
64Introduction of the Copyright and cvs Log
4c039060 65
937fe4a4 66*/
68861244 67
fe4da5cc 68///////////////////////////////////////////////////////////////////////////////
69// //
68861244 70// Time Of Flight //
fe4da5cc 71// This class contains the basic functions for the Time Of Flight //
72// detector. Functions specific to one particular geometry are //
73// contained in the derived classes //
937fe4a4 74//
75// VERSIONE WITH 5 SYMMETRIC MODULES ALONG Z AXIS
76// ==============================================
77//
78// VERSION WITH HOLES FOR PHOS AND TRD IN SPACEFRAME WITH HOLES
79//
80// Volume sensibile : FPAD
81//
82//
83//
84// Begin_Html
fe4da5cc 85/*
1439f98e 86<img src="picts/AliTOFClass.gif">
fe4da5cc 87*/
88//End_Html
937fe4a4 89//
90//
fe4da5cc 91// //
92///////////////////////////////////////////////////////////////////////////////
93
826b71ec 94#include <iostream.h>
68861244 95#include <strstream.h>
826b71ec 96
fe4da5cc 97#include "AliTOF.h"
68861244 98#include "AliTOFhit.h"
99#include "AliTOFdigit.h"
100#include "AliTOFRawSector.h"
101#include "AliTOFRoc.h"
102#include "AliTOFRawDigit.h"
103
104#include "TROOT.h"
826b71ec 105#include "TBRIK.h"
2cef3cb2 106#include "TNode.h"
107#include "TObject.h"
0efc163f 108#include "TSystem.h"
94de3818 109#include "TTree.h"
2ab0c725 110#include "TFile.h"
68861244 111#include "TFolder.h"
112#include "TTask.h"
94de3818 113
fe4da5cc 114#include "AliRun.h"
94de3818 115#include "AliMC.h"
116#include "AliMagF.h"
fe4da5cc 117#include "AliConst.h"
2cef3cb2 118
fe4da5cc 119
120ClassImp(AliTOF)
121
122//_____________________________________________________________________________
123AliTOF::AliTOF()
124{
125 //
126 // Default constructor
127 //
128 fIshunt = 0;
68861244 129 fSDigits = 0 ;
130 fDigits = 0 ;
131 fName="TOF";
132 CreateTOFFolders();
fe4da5cc 133}
134
135//_____________________________________________________________________________
136AliTOF::AliTOF(const char *name, const char *title)
137 : AliDetector(name,title)
138{
139 //
140 // AliTOF standard constructor
141 //
2cef3cb2 142 // Here are fixed some important parameters
143 //
144
68861244 145 // Initialization of hits, sdigits and digits array
2cef3cb2 146 //
fe4da5cc 147 fHits = new TClonesArray("AliTOFhit", 405);
c8bd506f 148 gAlice->AddHitList(fHits);
2cef3cb2 149 fIshunt = 0;
68861244 150
151 fSDigits = new TClonesArray("AliTOFdigit", 405);
152
153 fDigits = new TClonesArray("AliTOFdigit", 405);
154
155
2cef3cb2 156 //
157 // Digitization parameters
fe4da5cc 158 //
2cef3cb2 159 // (Transfer Functions to be inserted here)
fe4da5cc 160 //
161 SetMarkerColor(7);
162 SetMarkerStyle(2);
163 SetMarkerSize(0.4);
2cef3cb2 164
165// General Geometrical Parameters
b94fa26c 166 fNTof = 18; // number of sectors
167 fRmax = 399.0;//cm
2cef3cb2 168 fRmin = 370.0;//cm
b94fa26c 169 fZlenC = 177.5;//cm length of module C
170 fZlenB = 141.0;//cm length of module B
171 fZlenA = 106.0;//cm length of module A
172 fZtof = 370.5;//cm total semi-length of TOF detector
2cef3cb2 173
174// Strip Parameters
175 fStripLn = 122.0;//cm Strip Length
176 fSpace = 5.5;//cm Space Beetween the strip and the bottom of the plate
177 fDeadBndZ= 1.5;//cm Dead Boundaries of a Strip along Z direction (width)
178 fDeadBndX= 1.0;//cm Dead Boundaries of a Strip along X direction (length)
179 fXpad = 2.5;//cm X size of a pad
180 fZpad = 3.5;//cm Z size of a pad
181 fGapA = 4.; //cm Gap beetween tilted strip in A-type plate
182 fGapB = 6.; //cm Gap beetween tilted strip in B-type plate
183 fOverSpc = 15.3;//cm Space available for sensitive layers in radial direction
184 fNpadX = 48; // Number of pads in a strip along the X direction
185 fNpadZ = 2; // Number of pads in a strip along the Z direction
186 fPadXStr = fNpadX*fNpadZ; //Number of pads per strip
b94fa26c 187 fNStripA = 15; // number of strips in A type module
188 fNStripB = 19; // number of strips in B type module
189 fNStripC = 20; // number of strips in C type module
2cef3cb2 190
191// Physical performances
192 fTimeRes = 100.;//ps
193 fChrgRes = 100.;//pC
194
195// DAQ characteristics
68861244 196// cfr. TOF-TDR pag. 105 for Glossary
197// TARODA : TOF-ALICE Read Out and Data Acquisition system
198 fPadXSector = 8928; // number of pad per sector -with no holes-
199 // ((15+2*19+2*20)*(48*2))
200 fNRoc = 14; // number of Roc (Read Out Controller) (TARODA)
201 fNFec = 32; // number of Fec (Front-End electronic Card)
202 // (TARODA)
203 fNTdc = 32; // number of Tdc (Time to Digital Converter)
204 fNPadXRoc = (Int_t)fPadXSector/fNRoc; // number of pads for each ROC
205
206 // Create TOF Folder Structure
207 CreateTOFFolders();
208}
209
210//_____________________________________________________________________________
211void AliTOF::CreateTOFFolders()
212{
213 // create the ALICE TFolder
214 // create the ALICE TTasks
215 // create the ALICE main TFolder
216 // to be done by AliRun
217
218 TFolder * alice = new TFolder();
219 alice->SetNameTitle("FPAlice", "Alice Folder") ;
220 gROOT->GetListOfBrowsables()->Add(alice) ;
221
222 TFolder * aliceF = alice->AddFolder("folders", "Alice memory Folder") ;
223 // make it the owner of the objects that it contains
224 aliceF->SetOwner() ;
225 // geometry folder
226 TFolder * geomF = aliceF->AddFolder("Geometry", "Geometry objects") ;
227 TFolder * aliceT = alice->AddFolder("tasks", "Alice tasks Folder") ;
228 // make it the owner of the objects that it contains
229 aliceT->SetOwner() ;
230
231 TTask * aliceDi = new TTask("(S)Digitizer", "Alice SDigitizer & Digitizer") ;
232 aliceT->Add(aliceDi);
233
234 TTask * aliceRe = new TTask("Reconstructioner", "Alice Reconstructioner") ;
235 aliceT->Add(aliceRe);
236
237 char * tempo = new char[80] ;
238
239 // creates the TOF Digitizer and adds it to alice main (S)Digitizer task
240 sprintf(tempo, "%sDigitizers container",GetName() ) ;
241 fDTask = new TTask(GetName(), tempo);
242 aliceDi->Add(fDTask) ;
243
244 // creates the TOF reconstructioner and adds it to alice main Reconstructioner task
245 sprintf(tempo, "%sReconstructioner container",GetName() ) ;
246 fReTask = new TTask(GetName(), tempo);
247 aliceRe->Add(fReTask) ;
248
249 delete tempo ;
250
251 // creates the TOF geometry folder
252 geomF->AddFolder("TOF", "Geometry for TOF") ;
253}
254
255//_____________________________________________________________________________
256AliTOF::~AliTOF()
257{
258 // remove the alice folder
259 // and task that TOF creates instead of AliRun
5839f074 260 /* PH Temporarily commented because of problems
68861244 261 TFolder * alice = (TFolder*)gROOT->GetListOfBrowsables()->FindObject("FPAlice") ;
262 delete alice;
263 alice = 0;
5839f074 264 */
fe4da5cc 265}
266
267//_____________________________________________________________________________
2cef3cb2 268void AliTOF::AddHit(Int_t track, Int_t *vol, Float_t *hits)
fe4da5cc 269{
270 //
271 // Add a TOF hit
68861244 272 // new with placement used
fe4da5cc 273 //
274 TClonesArray &lhits = *fHits;
2cef3cb2 275 new(lhits[fNhits++]) AliTOFhit(fIshunt, track, vol, hits);
fe4da5cc 276}
277
278//_____________________________________________________________________________
2cef3cb2 279void AliTOF::AddDigit(Int_t *tracks, Int_t *vol, Float_t *digits)
fe4da5cc 280{
281 //
2cef3cb2 282 // Add a TOF digit
68861244 283 // new with placement used
2cef3cb2 284 //
285 TClonesArray &ldigits = *fDigits;
286 new (ldigits[fNdigits++]) AliTOFdigit(tracks, vol, digits);
fe4da5cc 287}
288
2cef3cb2 289
fe4da5cc 290//_____________________________________________________________________________
291void AliTOF::CreateGeometry()
292{
293 //
3fe3a833 294 // Common geometry code
fe4da5cc 295 //
296 //Begin_Html
297 /*
1439f98e 298 <img src="picts/AliTOFv23.gif">
fe4da5cc 299 */
300 //End_Html
301 //
fe4da5cc 302 const Double_t kPi=TMath::Pi();
2cef3cb2 303 const Double_t kDegrad=kPi/180.;
fe4da5cc 304 //
b94fa26c 305 Float_t xTof, yTof, wall;
937fe4a4 306
3fe3a833 307 // frame inbetween TOF modules
b94fa26c 308 wall = 4.;//cm
3fe3a833 309
2cef3cb2 310 // Sizes of TOF module with its support etc..
b94fa26c 311 xTof = 2.*(fRmin*TMath::Tan(10*kDegrad)-wall/2-.5);
2cef3cb2 312 yTof = fRmax-fRmin;
3fe3a833 313
937fe4a4 314// TOF module internal definitions
2cef3cb2 315 TOFpc(xTof, yTof, fZlenC, fZlenB, fZlenA, fZtof);
fe4da5cc 316}
317
318//_____________________________________________________________________________
68861244 319void AliTOF::DrawModule() const
fe4da5cc 320{
321 //
322 // Draw a shaded view of the common part of the TOF geometry
fe4da5cc 323 //
324
3fe3a833 325 cout << " Drawing of AliTOF"<< endl;
fe4da5cc 326 // Set everything unseen
cfce8870 327 gMC->Gsatt("*", "seen", -1);
fe4da5cc 328 //
329 // Set ALIC mother transparent
cfce8870 330 gMC->Gsatt("ALIC","SEEN",0);
fe4da5cc 331 //
332 // Set the volumes visible
2cef3cb2 333 gMC->Gsatt("FTOA","SEEN",1);
334 gMC->Gsatt("FTOB","SEEN",1);
335 gMC->Gsatt("FTOC","SEEN",1);
336 gMC->Gsatt("FLTA","SEEN",1);
337 gMC->Gsatt("FLTB","SEEN",1);
338 gMC->Gsatt("FLTC","SEEN",1);
339 gMC->Gsatt("FSTR","SEEN",1);
cfce8870 340 //
341 gMC->Gdopt("hide", "on");
342 gMC->Gdopt("shad", "on");
343 gMC->Gsatt("*", "fill", 7);
344 gMC->SetClipBox(".");
345 gMC->SetClipBox("*", 0, 1000, -1000, 1000, -1000, 1000);
346 gMC->DefaultRange();
347 gMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .02, .02);
348 gMC->Gdhead(1111, "Time Of Flight");
349 gMC->Gdman(18, 4, "MAN");
350 gMC->Gdopt("hide","off");
fe4da5cc 351}
352
353//_____________________________________________________________________________
354void AliTOF::CreateMaterials()
355{
356 //
357 // Defines TOF materials for all versions
2cef3cb2 358 // Authors : Maxim Martemianov, Boris Zagreev (ITEP)
359 // 18/09/98
b94fa26c 360 // Revision: F. Pierella 5-3-2001
361 // Bologna University
fe4da5cc 362 //
b94fa26c 363 Int_t isxfld = gAlice->Field()->Integ();
364 Float_t sxmgmx = gAlice->Field()->Max();
fe4da5cc 365 //
3fe3a833 366 //--- Quartz (SiO2)
367 Float_t aq[2] = { 28.0855,15.9994 };
368 Float_t zq[2] = { 14.,8. };
369 Float_t wq[2] = { 1.,2. };
370 Float_t dq = 2.20;
371 Int_t nq = -2;
b94fa26c 372 // --- Freon C2F4H2 (TOF-TDR pagg.)
373 // Geant Manual CONS110-1, pag. 43 (Geant, Detector Description and Simulation Tool)
374 Float_t afre[3] = {12.011,18.998,1.007};
375 Float_t zfre[3] = { 6., 9., 1.};
376 Float_t wfre[3] = { 2., 4., 2.};
377 Float_t densfre = 0.00375;
378// http://www.fi.infn.it/sezione/prevprot/gas/freon.html
379 Int_t nfre = -3;
380/*
381 //-- Isobutane quencher C4H10 (5% in the sensitive mixture)
382 Float_t aiso[2] = {12.011,1.007};
383 Float_t ziso[2] = { 6., 1.};
384 Float_t wiso[2] = { 4., 10.};
385 Float_t densiso = .......; // (g/cm3) density
386 Int_t nfre = -2; // < 0 i.e. proportion by number of atoms of each kind
387 //-- SF6 (5% in the sensitive mixture)
388 Float_t asf[3] = {32.066,18.998};
389 Float_t zsf[3] = { 16., 9.};
390 Float_t wsf[3] = { 1., 6.};
391 Float_t denssf = .....; // (g/cm3) density
392 Int_t nfre = -2; // < 0 i.e. proportion by number of atoms of each kind
393*/
3fe3a833 394 // --- CO2
2cef3cb2 395 Float_t ac[2] = {12.,16.};
396 Float_t zc[2] = { 6., 8.};
397 Float_t wc[2] = { 1., 2.};
3fe3a833 398 Float_t dc = .001977;
399 Int_t nc = -2;
400 // For mylar (C5H4O2)
401 Float_t amy[3] = { 12., 1., 16. };
402 Float_t zmy[3] = { 6., 1., 8. };
403 Float_t wmy[3] = { 5., 4., 2. };
404 Float_t dmy = 1.39;
405 Int_t nmy = -3;
b94fa26c 406 // For polyethilene (CH2) - honeycomb -
3fe3a833 407 Float_t ape[2] = { 12., 1. };
408 Float_t zpe[2] = { 6., 1. };
409 Float_t wpe[2] = { 1., 2. };
410 Float_t dpe = 0.935*0.479; //To have 1%X0 for 1cm as for honeycomb
411 Int_t npe = -2;
412 // --- G10
fe4da5cc 413 Float_t ag10[4] = { 12.,1.,16.,28. };
2cef3cb2 414 Float_t zg10[4] = { 6.,1., 8.,14. };
fe4da5cc 415 Float_t wmatg10[4] = { .259,.288,.248,.205 };
3fe3a833 416 Float_t densg10 = 1.7;
417 Int_t nlmatg10 = -4;
418 // --- DME
fe4da5cc 419 Float_t adme[5] = { 12.,1.,16.,19.,79. };
2cef3cb2 420 Float_t zdme[5] = { 6.,1., 8., 9.,35. };
fe4da5cc 421 Float_t wmatdme[5] = { .4056,.0961,.2562,.1014,.1407 };
3fe3a833 422 Float_t densdme = .00205;
423 Int_t nlmatdme = 5;
424 // ---- ALUMINA (AL203)
2cef3cb2 425 Float_t aal[2] = { 27.,16.};
426 Float_t zal[2] = { 13., 8.};
fe4da5cc 427 Float_t wmatal[2] = { 2.,3. };
3fe3a833 428 Float_t densal = 2.3;
429 Int_t nlmatal = -2;
430 // -- Water
431 Float_t awa[2] = { 1., 16. };
432 Float_t zwa[2] = { 1., 8. };
433 Float_t wwa[2] = { 2., 1. };
434 Float_t dwa = 1.0;
435 Int_t nwa = -2;
fe4da5cc 436 //
3fe3a833 437 //AliMaterial(0, "Vacuum$", 1e-16, 1e-16, 1e-16, 1e16, 1e16);
2cef3cb2 438 AliMaterial( 1, "Air$",14.61,7.3,0.001205,30423.24,67500.);
439 AliMaterial( 2, "Cu $", 63.54, 29.0, 8.96, 1.43, 14.8);
440 AliMaterial( 3, "C $", 12.01, 6.0, 2.265,18.8, 74.4);
441 AliMixture ( 4, "Polyethilene$", ape, zpe, dpe, npe, wpe);
442 AliMixture ( 5, "G10$", ag10, zg10, densg10, nlmatg10, wmatg10);
443 AliMixture ( 6, "DME ", adme, zdme, densdme, nlmatdme, wmatdme);
444 AliMixture ( 7, "CO2$", ac, zc, dc, nc, wc);
445 AliMixture ( 8, "ALUMINA$", aal, zal, densal, nlmatal, wmatal);
446 AliMaterial( 9, "Al $", 26.98, 13., 2.7, 8.9, 37.2);
3fe3a833 447 AliMaterial(10, "C-TRD$", 12.01, 6., 2.265*18.8/69.282*15./100, 18.8, 74.4); // for 15%
2cef3cb2 448 AliMixture (11, "Mylar$", amy, zmy, dmy, nmy, wmy);
449 AliMixture (12, "Freon$", afre, zfre, densfre, nfre, wfre);
450 AliMixture (13, "Quartz$", aq, zq, dq, nq, wq);
451 AliMixture (14, "Water$", awa, zwa, dwa, nwa, wwa);
3fe3a833 452
453 Float_t epsil, stmin, deemax, stemax;
2cef3cb2 454
455 // Previous data
fe4da5cc 456 // EPSIL = 0.1 ! Tracking precision,
457 // STEMAX = 0.1 ! Maximum displacement for multiple scattering
458 // DEEMAX = 0.1 ! Maximum fractional energy loss, DLS
459 // STMIN = 0.1
2cef3cb2 460 //
461 // New data
462 epsil = .001; // Tracking precision,
463 stemax = -1.; // Maximum displacement for multiple scattering
464 deemax = -.3; // Maximum fractional energy loss, DLS
fe4da5cc 465 stmin = -.8;
937fe4a4 466
b94fa26c 467 AliMedium( 1, "Air$" , 1, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
468 AliMedium( 2, "Cu $" , 2, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
469 AliMedium( 3, "C $" , 3, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
470 AliMedium( 4, "Pol$" , 4, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
471 AliMedium( 5, "G10$" , 5, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
472 AliMedium( 6, "DME$" , 6, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
473 AliMedium( 7, "CO2$" , 7, 0, isxfld, sxmgmx, 10., -.01, -.1, .01, -.01);
474 AliMedium( 8,"ALUMINA$", 8, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
475 AliMedium( 9,"Al Frame$",9, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
476 AliMedium(10, "DME-S$", 6, 1, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
477 AliMedium(11, "C-TRD$", 10, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
478 AliMedium(12, "Myl$" , 11, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
479 AliMedium(13, "Fre$" , 12, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
480 AliMedium(14, "Fre-S$", 12, 1, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
481 AliMedium(15, "Glass$", 13, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
482 AliMedium(16, "Water$", 14, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
fe4da5cc 483}
484
485//_____________________________________________________________________________
68861244 486Int_t AliTOF::DistancetoPrimitive(Int_t , Int_t ) const
fe4da5cc 487{
488 //
489 // Returns distance from mouse pointer to detector, default version
490 //
491 return 9999;
492}
493
494//_____________________________________________________________________________
495void AliTOF::Init()
496{
497 //
498 // Initialise TOF detector after it has been built
499 //
fe4da5cc 500 // Set id of TOF sensitive volume
937fe4a4 501 if (IsVersion() !=0) fIdSens=gMC->VolId("FPAD");
fe4da5cc 502 //
fe4da5cc 503}
504
2cef3cb2 505//____________________________________________________________________________
9e1a0ddb 506void AliTOF::MakeBranch(Option_t* option, const char *file)
2cef3cb2 507{
b94fa26c 508 //
509 // Initializes the Branches of the TOF inside the
510 // trees written for each event.
511 // AliDetector::MakeBranch initializes just the
68861244 512 // Branch inside TreeH. Here we add the branches in
513 // TreeD and TreeS.
b94fa26c 514 //
2ab0c725 515 AliDetector::MakeBranch(option,file);
2cef3cb2 516
517 Int_t buffersize = 4000;
518 Char_t branchname[10];
519 sprintf(branchname,"%s",GetName());
2ab0c725 520
68861244 521 const char *oD = strstr(option,"D");
522 const char *oS = strstr(option,"S");
523
524 if (oD)
525 //
526 // one branch for TOF digits
527 //
528
2cef3cb2 529
68861244 530 if (fDigits && gAlice->TreeD() && oD){
531 MakeBranchInTree(gAlice->TreeD(),
2ab0c725 532 branchname, &fDigits,buffersize, file) ;
2cef3cb2 533 }
68861244 534
535 if (oS)
536 //
537 // one branch for TOF sdigits
538 //
539
540
541 if (fSDigits && gAlice->TreeS() && oS){
542 MakeBranchInTree(gAlice->TreeS(),
543 branchname, &fSDigits,buffersize, file) ;
544 }
545
546}
547
548//____________________________________________________________________________
549void AliTOF::Makehits(Bool_t hits)
550{
551// default argument used, see AliTOF.h
552// Enable/Disable the writing of the TOF-hits branch
553// on TreeH
554// by default : enabled for TOFv1, v2, v3, v4
555// disabled for TOFv0
556//
557 if (hits && (IsVersion()!=0))
558 fIdSens = gMC->VolId("FPAD");
559 else
560 cout << "Option for writing the TOF-hits branch on TreeH: disabled" << endl;
2cef3cb2 561}
562
563//____________________________________________________________________________
564void AliTOF::FinishEvent()
565{
68861244 566// do nothing
2cef3cb2 567}
568
2ab0c725 569//___________________________________________
570void AliTOF::SDigits2Digits()
571{
572//
68861244 573// Generate digits
2ab0c725 574//
575 int nparticles = gAlice->GetNtrack();
576 cout << "Particles :" <<nparticles<<endl;
577 if (nparticles > 0 ) {
68861244 578 AliTOF::Hits2Digits();
2ab0c725 579 }
580}
2cef3cb2 581
582//____________________________________________________________________________
68861244 583void AliTOF::Hits2Digits()
b94fa26c 584{
2cef3cb2 585//
68861244 586// Starting from the Hits Tree (TreeH), this
587// function writes the TOF Digits Branch in the Tree (TreeD) storing
2cef3cb2 588// the digits informations.
68861244 589// It has to be called just at the end of an event or
2cef3cb2 590// at the end of a whole run.
68861244 591// It could also be called by AliTOF::Finish Event()
2cef3cb2 592// Just for MC events.
593//
68861244 594// Called by the ROOT script Hits2Digits.C
2cef3cb2 595//
68861244 596// Simulation of detector response.
b94fa26c 597
68861244 598 Int_t ver = this->IsVersion();
599 if(ver==0) return; // no digits for AliTOFv0
2cef3cb2 600
68861244 601 Int_t nhits = 0; // total number of hits for the current track
602 Int_t evNumber = 0; // evnumber
603 Int_t tracks[3]; // track info
604 Int_t vol[5]; // dummy location for digit
605 Float_t digit[2]; // TOF digit variables
606
2cef3cb2 607
68861244 608 // Get pointers to Alice detectors and Hits containers
609 AliDetector* TOF = gAlice->GetDetector("TOF");
610
611
612 TTree* tD = gAlice->TreeD();
613
614 TTree* tH = gAlice->TreeH(); // pointer to the hits tree
615 Stat_t ntracks = tH->GetEntries();
616
617 cout << "Total number of processed tracks in event " << gAlice->GetEvNumber() <<
618 " :" << ntracks << endl;
619
620 // do nothing if no tracked particles
621
622 if( ntracks > 0){
2cef3cb2 623
68861244 624 // ptr to the current TOF hit
625 AliTOFhit* tofHit;
626
627 // Start loop on tracks in the hits containers
628 // check for the total number of processed hits
629 Int_t totnhits =0;
630 Int_t totndigits =0;
631
632 if(TOF) {
633
634 for (Int_t track=0; track<ntracks;track++) {
635
636 // loop on all hits for the current track
2cef3cb2 637
68861244 638 for(tofHit=(AliTOFhit*)TOF->FirstHit(track); tofHit; tofHit=(AliTOFhit*)TOF->NextHit()) {
639 ++nhits;
640 ++totnhits;
2cef3cb2 641
68861244 642 vol[0] = tofHit->GetSector();
643 vol[1] = tofHit->GetPlate();
644 vol[2] = tofHit->GetPadx();
645 vol[3] = tofHit->GetPadz();
646 vol[4] = tofHit->GetStrip();
2cef3cb2 647
68861244 648 // 95% of efficiency to be inserted here
649 // edge effect to be inserted here
650 // cross talk to be inserted here
651
652 Float_t idealtime = tofHit->GetTof(); // unit s
653 idealtime *= 1.E+12; // conversion from s to ps
654 // fTimeRes is given usually in ps
0efc163f 655 Float_t tdctime = gRandom->Gaus(idealtime, fTimeRes);
b94fa26c 656 digit[0] = tdctime;
2cef3cb2 657
68861244 658 // typical Landau Distribution to be inserted here
659 // instead of Gaussian Distribution
660 Float_t idealcharge = tofHit->GetEdep();
0efc163f 661 Float_t adccharge = gRandom->Gaus(idealcharge, fChrgRes);
b94fa26c 662 digit[1] = adccharge;
68861244 663 Int_t tracknum = tofHit -> GetTrack();
b94fa26c 664 tracks[0] = tracknum;
2cef3cb2 665 tracks[1] = 0;
666 tracks[2] = 0;
667
b94fa26c 668 Bool_t overlap = CheckOverlap(vol, digit, tracknum);
68861244 669 if(!overlap)
670 AddDigit(tracks, vol, digit);
671 ++totndigits;
672 } // end loop on hits for the current track
673
674 } // end loop on ntracks
675
676 // some statistics concerning digitization
677 cout << "Total number of processed TOF hits: " << totnhits << endl;
678 cout << "Total number of created TOF digits: " << totndigits << endl;
679
680 } // close if TOF switched ON
681
682} // close if( ntracks > 0)
683
68861244 684
685// fill and write the branch
686
687 evNumber = gAlice->GetEvNumber();
688 char hname[30];
689 sprintf(hname,"TreeD%d",evNumber);
690
691 tD->Fill();
692
693 tD->Write(hname,TObject::kOverwrite);
694
695 // reset tree
696 gAlice->TreeD()->Reset();
2cef3cb2 697}
698
699//___________________________________________________________________________
700Bool_t AliTOF::CheckOverlap(Int_t* vol, Float_t* digit,Int_t Track)
b94fa26c 701{
2cef3cb2 702//
703// Checks if 2 or more hits belong to the same pad.
704// In this case the data assigned to the digit object
705// are the ones of the first hit in order of Time.
706//
707// Called only by Hits2Digits.
708//
b94fa26c 709
710 Bool_t overlap = 0;
2cef3cb2 711 Int_t vol2[5];
712
713 for (Int_t ndig=0; ndig<fNdigits; ndig++){
714 AliTOFdigit* currentDigit = (AliTOFdigit*)(fDigits->UncheckedAt(ndig));
715 currentDigit->GetLocation(vol2);
b94fa26c 716 Bool_t idem=1;
2cef3cb2 717 for (Int_t i=0;i<=4;i++){
b94fa26c 718 if (vol[i]!=vol2[i]) idem=0;}
719 if (idem){
720 Float_t tdc2 = digit[0];
721 Float_t tdc1 = currentDigit->GetTdc();
722 if (tdc1>tdc2){
723 currentDigit->SetTdc(tdc2);
2cef3cb2 724 currentDigit->SetAdc(digit[1]);
725 }
726 currentDigit->AddTrack(Track);
b94fa26c 727 overlap = 1;
2cef3cb2 728 }
729 }
b94fa26c 730 return overlap;
2cef3cb2 731}
732
733
734//____________________________________________________________________________
735void AliTOF::Digits2Raw(Int_t evNumber)
b94fa26c 736{
2cef3cb2 737//
738// Starting from digits, writes the
739// Raw Data objects, i.e. a
740// TClonesArray of 18 AliTOFRawSector objects
741//
742
b94fa26c 743 TTree* tD;
2cef3cb2 744
68861244 745 // do nothing if no particles
2cef3cb2 746 Int_t nparticles = gAlice->GetEvent(evNumber);
747 if (nparticles <= 0) return;
748
b94fa26c 749 tD = gAlice->TreeD();
2cef3cb2 750
b94fa26c 751 TClonesArray* tofdigits = this->Digits();
752 Int_t ndigits = tofdigits->GetEntriesFast();
2cef3cb2 753
b94fa26c 754 TClonesArray* rawsectors = new TClonesArray("AliTOFRawSector",fNTof+2);
2cef3cb2 755
756 for (Int_t isect=1;isect<=fNTof;isect++){
b94fa26c 757 AliTOFRawSector* currentSector = (AliTOFRawSector*)rawsectors->UncheckedAt(isect);
758 TClonesArray* rocData = (TClonesArray*)currentSector->GetRocData();
2cef3cb2 759
760 for (Int_t digit=0; digit<ndigits; digit++){
b94fa26c 761 AliTOFdigit* currentDigit = (AliTOFdigit*)tofdigits->UncheckedAt(digit);
2cef3cb2 762 Int_t sector = currentDigit->GetSector();
763 if (sector==isect){
b94fa26c 764 Int_t pad = currentDigit -> GetTotPad();
765 Int_t roc = (Int_t)(pad/fNPadXRoc)-1;
766 if (roc>=fNRoc) printf("Wrong n. of ROC ! Roc = %i",roc);
767 Int_t padRoc = (Int_t) pad%fNPadXRoc;
768 Int_t fec = (Int_t)(padRoc/fNFec)-1;
769 Int_t tdc = (Int_t)(padRoc%fNFec)-1;
770 Float_t time = currentDigit->GetTdc();
771 Float_t charge = currentDigit->GetAdc();
772 AliTOFRoc* currentROC = (AliTOFRoc*)rocData->UncheckedAt(roc);
773 Int_t error = 0;
774 currentROC->AddItem(fec, tdc, error, charge, time);
68861244 775 } // close if (sector==isect) i.e. end loop on digits for the current sector
776 } // end loop on TOF digits
2cef3cb2 777
b94fa26c 778 UInt_t totSize=16,rocSize=0;
779 UInt_t rocHead[14],rocChek[14];
780 UInt_t globalCheckSum=0;
2cef3cb2 781
782 for (UInt_t iRoc = 1; iRoc<(UInt_t)fNRoc; iRoc++){
b94fa26c 783 AliTOFRoc* currentRoc = (AliTOFRoc*)rocData->UncheckedAt(iRoc);
784 rocSize = currentRoc->GetItems()*2+1;
785 totSize += rocSize*4;
786 if (rocSize>=TMath::Power(2,16)) rocSize=0;
787 rocHead[iRoc] = iRoc<<28;
788 rocHead[iRoc] += rocSize;
789 rocChek[iRoc] = currentRoc->GetCheckSum();
790 Int_t headCheck = currentRoc->BitCount(rocHead[iRoc]);
791 globalCheckSum += headCheck;
792 globalCheckSum += rocChek[iRoc];
2cef3cb2 793 }
794
b94fa26c 795 AliTOFRoc* dummyRoc = new AliTOFRoc();
796 totSize *= 4;
797 if (totSize>=TMath::Power(2,24)) totSize=0;
798 UInt_t header = totSize;
799 UInt_t sectId = ((UInt_t)isect)<<24;
800 header += sectId;
801 globalCheckSum += dummyRoc->BitCount(header);
802 currentSector->SetGlobalCS(globalCheckSum);
803 currentSector->SetHeader(header);
2cef3cb2 804 }
805}
806
807//____________________________________________________________________________
808void AliTOF::Raw2Digits(Int_t evNumber)
b94fa26c 809{
2cef3cb2 810//
811// Converts Raw Data objects into digits objects.
812// We schematize the raw data with a
813// TClonesArray of 18 AliTOFRawSector objects
814//
b94fa26c 815
816 TTree *tD;
2cef3cb2 817 Int_t vol[5];
818 Int_t tracks[3];
819 Float_t digit[2];
820
821 tracks[0]=0;
822 tracks[1]=0;
823 tracks[2]=0;
fe4da5cc 824
2cef3cb2 825 Int_t nparticles = gAlice->GetEvent(evNumber);
826 if (nparticles <= 0) return;
827
b94fa26c 828 tD = gAlice->TreeD();
2cef3cb2 829
b94fa26c 830 TClonesArray* rawsectors = new TClonesArray("AliTOFRawSector",fNTof+2);
2cef3cb2 831
832 for(Int_t nSec=1; nSec<=fNTof; nSec++){
b94fa26c 833 AliTOFRawSector* currentSector = (AliTOFRawSector*)rawsectors->UncheckedAt(nSec);
834 TClonesArray* rocData = (TClonesArray*)currentSector->GetRocData();
2cef3cb2 835 for(Int_t nRoc=1; nRoc<=14; nRoc++){
b94fa26c 836 AliTOFRoc* currentRoc = (AliTOFRoc*)rocData->UncheckedAt(nRoc);
2cef3cb2 837 Int_t currentItems = currentRoc->GetItems();
838 for(Int_t item=1; item<currentItems; item++){
839 Int_t nPad = currentRoc->GetTotPad(item);
840 vol[0] = nSec;
841 Int_t nStrip = (Int_t)(nPad/fPadXStr)+1;
842 Int_t nPlate = 5;
843 if (nStrip<=fNStripC+2*fNStripB+fNStripA) nPlate = 4;
844 if (nStrip<=fNStripC+fNStripB+fNStripA) nPlate = 3;
845 if (nStrip<=fNStripC+fNStripB) nPlate = 2;
846 if (nStrip<=fNStripC) nPlate=1;
847 vol[1] = nPlate;
848 switch (nPlate){
849 case 1: break;
850 case 2: nStrip -= (fNStripC);
851 break;
852 case 3: nStrip -= (fNStripC+fNStripB);
853 break;
854 case 4: nStrip -= (fNStripC+fNStripB+fNStripA);
855 break;
856 case 5: nStrip -= (fNStripC+2*fNStripB+fNStripA);
857 break;
858 }
859 vol[2] = nStrip;
b94fa26c 860 Int_t pad = nPad%fPadXStr;
861 if (pad==0) pad=fPadXStr;
2cef3cb2 862 Int_t nPadX=0, nPadZ=0;
b94fa26c 863 (pad>fNpadX)? nPadX -= fNpadX : nPadX = pad ;
2cef3cb2 864 vol[3] = nPadX;
b94fa26c 865 (pad>fNpadX)? nPadZ = 2 : nPadZ = 1 ;
2cef3cb2 866 vol[4] = nPadZ;
867 UInt_t error=0;
b94fa26c 868 Float_t tdc = currentRoc->GetTime(item,error);
869 if (!error) digit[0]=tdc;
2cef3cb2 870 digit[1] = currentRoc->GetCharge(item);
871 AddDigit(tracks,vol,digit);
872 }
873 }
874 }
b94fa26c 875 tD->Fill();
68861244 876 tD->Write(0,TObject::kOverwrite);
2cef3cb2 877}
878