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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$Log$
94de3818 18Revision 1.15 2000/05/18 14:33:01 vicinanz
19Modified to be full HP compliant
20
f5489efc 21Revision 1.14 2000/05/15 19:32:36 fca
22Add AddHitList !!
23
c8bd506f 24Revision 1.13 2000/05/10 16:52:18 vicinanz
25New TOF version with holes for PHOS/RICH
26
2cef3cb2 27Revision 1.11.2.1 2000/05/10 09:37:15 vicinanz
28New version with Holes for PHOS/RICH
29
1cedd08a 30Revision 1.11 1999/11/05 22:39:06 fca
31New hits structure
32
826b71ec 33Revision 1.10 1999/11/01 20:41:57 fca
34Added protections against using the wrong version of FRAME
35
ab76897d 36Revision 1.9 1999/10/15 15:35:19 fca
37New version for frame1099 with and without holes
38
937fe4a4 39Revision 1.9 1999/09/29 09:24:33 fca
40Introduction of the Copyright and cvs Log
4c039060 41
937fe4a4 42*/
fe4da5cc 43///////////////////////////////////////////////////////////////////////////////
44// //
937fe4a4 45// Time Of Flight FCA //
fe4da5cc 46// This class contains the basic functions for the Time Of Flight //
47// detector. Functions specific to one particular geometry are //
48// contained in the derived classes //
937fe4a4 49//
50// VERSIONE WITH 5 SYMMETRIC MODULES ALONG Z AXIS
51// ==============================================
52//
53// VERSION WITH HOLES FOR PHOS AND TRD IN SPACEFRAME WITH HOLES
54//
55// Volume sensibile : FPAD
56//
57//
58//
59// Begin_Html
fe4da5cc 60/*
1439f98e 61<img src="picts/AliTOFClass.gif">
fe4da5cc 62*/
63//End_Html
937fe4a4 64//
65//
fe4da5cc 66// //
67///////////////////////////////////////////////////////////////////////////////
68
826b71ec 69#include <iostream.h>
70
fe4da5cc 71#include "AliTOF.h"
2cef3cb2 72#include "AliTOFD.h"
826b71ec 73#include "TBRIK.h"
2cef3cb2 74#include "TNode.h"
75#include "TObject.h"
76#include "TRandom.h"
94de3818 77#include "TTree.h"
78
fe4da5cc 79#include "AliRun.h"
94de3818 80#include "AliMC.h"
81#include "AliMagF.h"
fe4da5cc 82#include "AliConst.h"
2cef3cb2 83
fe4da5cc 84
85ClassImp(AliTOF)
86
87//_____________________________________________________________________________
88AliTOF::AliTOF()
89{
90 //
91 // Default constructor
92 //
93 fIshunt = 0;
94}
95
96//_____________________________________________________________________________
97AliTOF::AliTOF(const char *name, const char *title)
98 : AliDetector(name,title)
99{
100 //
101 // AliTOF standard constructor
102 //
2cef3cb2 103 // Here are fixed some important parameters
104 //
105
106 // Initialization of hits and digits array
107 //
fe4da5cc 108 fHits = new TClonesArray("AliTOFhit", 405);
c8bd506f 109 gAlice->AddHitList(fHits);
2cef3cb2 110 fIshunt = 0;
111 fDigits = new TClonesArray("AliTOFdigit",405);
112 //
113 // Digitization parameters
fe4da5cc 114 //
2cef3cb2 115 // (Transfer Functions to be inserted here)
fe4da5cc 116 //
117 SetMarkerColor(7);
118 SetMarkerStyle(2);
119 SetMarkerSize(0.4);
2cef3cb2 120
121// General Geometrical Parameters
122 fNTof = 18;
123 fRmax = 399.0;//cm
124 fRmin = 370.0;//cm
125 fZlenC = 177.5;//cm
126 fZlenB = 141.0;//cm
127 fZlenA = 106.0;//cm
128 fZtof = 370.5;//cm
129
130// Strip Parameters
131 fStripLn = 122.0;//cm Strip Length
132 fSpace = 5.5;//cm Space Beetween the strip and the bottom of the plate
133 fDeadBndZ= 1.5;//cm Dead Boundaries of a Strip along Z direction (width)
134 fDeadBndX= 1.0;//cm Dead Boundaries of a Strip along X direction (length)
135 fXpad = 2.5;//cm X size of a pad
136 fZpad = 3.5;//cm Z size of a pad
137 fGapA = 4.; //cm Gap beetween tilted strip in A-type plate
138 fGapB = 6.; //cm Gap beetween tilted strip in B-type plate
139 fOverSpc = 15.3;//cm Space available for sensitive layers in radial direction
140 fNpadX = 48; // Number of pads in a strip along the X direction
141 fNpadZ = 2; // Number of pads in a strip along the Z direction
142 fPadXStr = fNpadX*fNpadZ; //Number of pads per strip
143 fNStripA = 0;
144 fNStripB = 0;
145 fNStripC = 0;
146
147// Physical performances
148 fTimeRes = 100.;//ps
149 fChrgRes = 100.;//pC
150
151// DAQ characteristics
152 fPadXSector = 1932;
153 fNRoc = 14;
154 fNFec = 32;
155 fNTdc = 32;
156 fNPadXRoc = (Int_t)fPadXSector/fNRoc;
fe4da5cc 157}
158
159//_____________________________________________________________________________
2cef3cb2 160void AliTOF::AddHit(Int_t track, Int_t *vol, Float_t *hits)
fe4da5cc 161{
162 //
163 // Add a TOF hit
164 //
165 TClonesArray &lhits = *fHits;
2cef3cb2 166 new(lhits[fNhits++]) AliTOFhit(fIshunt, track, vol, hits);
fe4da5cc 167}
168
169//_____________________________________________________________________________
2cef3cb2 170void AliTOF::AddDigit(Int_t *tracks, Int_t *vol, Float_t *digits)
fe4da5cc 171{
172 //
2cef3cb2 173 // Add a TOF digit
174 //
175 TClonesArray &ldigits = *fDigits;
176 new (ldigits[fNdigits++]) AliTOFdigit(tracks, vol, digits);
fe4da5cc 177}
178
2cef3cb2 179
fe4da5cc 180//_____________________________________________________________________________
181void AliTOF::CreateGeometry()
182{
183 //
3fe3a833 184 // Common geometry code
fe4da5cc 185 //
186 //Begin_Html
187 /*
1439f98e 188 <img src="picts/AliTOFv23.gif">
fe4da5cc 189 */
190 //End_Html
191 //
fe4da5cc 192 const Double_t kPi=TMath::Pi();
2cef3cb2 193 const Double_t kDegrad=kPi/180.;
fe4da5cc 194 //
2cef3cb2 195 Float_t xTof, yTof, Wall;
937fe4a4 196
3fe3a833 197 // frame inbetween TOF modules
2cef3cb2 198 Wall = 4.;//cm
3fe3a833 199
2cef3cb2 200 // Sizes of TOF module with its support etc..
201 xTof = 2.*(fRmin*TMath::Tan(10*kDegrad)-Wall/2-.5);
202 yTof = fRmax-fRmin;
3fe3a833 203
937fe4a4 204// TOF module internal definitions
2cef3cb2 205 TOFpc(xTof, yTof, fZlenC, fZlenB, fZlenA, fZtof);
fe4da5cc 206}
207
208//_____________________________________________________________________________
8f72dc0c 209void AliTOF::DrawModule()
fe4da5cc 210{
211 //
212 // Draw a shaded view of the common part of the TOF geometry
fe4da5cc 213 //
214
3fe3a833 215 cout << " Drawing of AliTOF"<< endl;
fe4da5cc 216 // Set everything unseen
cfce8870 217 gMC->Gsatt("*", "seen", -1);
fe4da5cc 218 //
219 // Set ALIC mother transparent
cfce8870 220 gMC->Gsatt("ALIC","SEEN",0);
fe4da5cc 221 //
222 // Set the volumes visible
2cef3cb2 223 gMC->Gsatt("FTOA","SEEN",1);
224 gMC->Gsatt("FTOB","SEEN",1);
225 gMC->Gsatt("FTOC","SEEN",1);
226 gMC->Gsatt("FLTA","SEEN",1);
227 gMC->Gsatt("FLTB","SEEN",1);
228 gMC->Gsatt("FLTC","SEEN",1);
229 gMC->Gsatt("FSTR","SEEN",1);
cfce8870 230 //
231 gMC->Gdopt("hide", "on");
232 gMC->Gdopt("shad", "on");
233 gMC->Gsatt("*", "fill", 7);
234 gMC->SetClipBox(".");
235 gMC->SetClipBox("*", 0, 1000, -1000, 1000, -1000, 1000);
236 gMC->DefaultRange();
237 gMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .02, .02);
238 gMC->Gdhead(1111, "Time Of Flight");
239 gMC->Gdman(18, 4, "MAN");
240 gMC->Gdopt("hide","off");
fe4da5cc 241}
242
243//_____________________________________________________________________________
244void AliTOF::CreateMaterials()
245{
246 //
247 // Defines TOF materials for all versions
2cef3cb2 248 // Authors : Maxim Martemianov, Boris Zagreev (ITEP)
249 // 18/09/98
fe4da5cc 250 //
251 Int_t ISXFLD = gAlice->Field()->Integ();
252 Float_t SXMGMX = gAlice->Field()->Max();
253 //
3fe3a833 254 //--- Quartz (SiO2)
255 Float_t aq[2] = { 28.0855,15.9994 };
256 Float_t zq[2] = { 14.,8. };
257 Float_t wq[2] = { 1.,2. };
258 Float_t dq = 2.20;
259 Int_t nq = -2;
260 // --- Freon
2cef3cb2 261 Float_t afre[2] = {12.011,18.9984032 };
262 Float_t zfre[2] = { 6., 9.};
263 Float_t wfre[2] = { 5.,12.};
3fe3a833 264 Float_t densfre = 1.5;
265 Int_t nfre = -2;
266 // --- CO2
2cef3cb2 267 Float_t ac[2] = {12.,16.};
268 Float_t zc[2] = { 6., 8.};
269 Float_t wc[2] = { 1., 2.};
3fe3a833 270 Float_t dc = .001977;
271 Int_t nc = -2;
272 // For mylar (C5H4O2)
273 Float_t amy[3] = { 12., 1., 16. };
274 Float_t zmy[3] = { 6., 1., 8. };
275 Float_t wmy[3] = { 5., 4., 2. };
276 Float_t dmy = 1.39;
277 Int_t nmy = -3;
278 // For polyethilene (CH2) for honeycomb!!!!
279 Float_t ape[2] = { 12., 1. };
280 Float_t zpe[2] = { 6., 1. };
281 Float_t wpe[2] = { 1., 2. };
282 Float_t dpe = 0.935*0.479; //To have 1%X0 for 1cm as for honeycomb
283 Int_t npe = -2;
284 // --- G10
fe4da5cc 285 Float_t ag10[4] = { 12.,1.,16.,28. };
2cef3cb2 286 Float_t zg10[4] = { 6.,1., 8.,14. };
fe4da5cc 287 Float_t wmatg10[4] = { .259,.288,.248,.205 };
3fe3a833 288 Float_t densg10 = 1.7;
289 Int_t nlmatg10 = -4;
290 // --- DME
fe4da5cc 291 Float_t adme[5] = { 12.,1.,16.,19.,79. };
2cef3cb2 292 Float_t zdme[5] = { 6.,1., 8., 9.,35. };
fe4da5cc 293 Float_t wmatdme[5] = { .4056,.0961,.2562,.1014,.1407 };
3fe3a833 294 Float_t densdme = .00205;
295 Int_t nlmatdme = 5;
296 // ---- ALUMINA (AL203)
2cef3cb2 297 Float_t aal[2] = { 27.,16.};
298 Float_t zal[2] = { 13., 8.};
fe4da5cc 299 Float_t wmatal[2] = { 2.,3. };
3fe3a833 300 Float_t densal = 2.3;
301 Int_t nlmatal = -2;
302 // -- Water
303 Float_t awa[2] = { 1., 16. };
304 Float_t zwa[2] = { 1., 8. };
305 Float_t wwa[2] = { 2., 1. };
306 Float_t dwa = 1.0;
307 Int_t nwa = -2;
fe4da5cc 308 //
3fe3a833 309 //AliMaterial(0, "Vacuum$", 1e-16, 1e-16, 1e-16, 1e16, 1e16);
2cef3cb2 310 AliMaterial( 1, "Air$",14.61,7.3,0.001205,30423.24,67500.);
311 AliMaterial( 2, "Cu $", 63.54, 29.0, 8.96, 1.43, 14.8);
312 AliMaterial( 3, "C $", 12.01, 6.0, 2.265,18.8, 74.4);
313 AliMixture ( 4, "Polyethilene$", ape, zpe, dpe, npe, wpe);
314 AliMixture ( 5, "G10$", ag10, zg10, densg10, nlmatg10, wmatg10);
315 AliMixture ( 6, "DME ", adme, zdme, densdme, nlmatdme, wmatdme);
316 AliMixture ( 7, "CO2$", ac, zc, dc, nc, wc);
317 AliMixture ( 8, "ALUMINA$", aal, zal, densal, nlmatal, wmatal);
318 AliMaterial( 9, "Al $", 26.98, 13., 2.7, 8.9, 37.2);
3fe3a833 319 AliMaterial(10, "C-TRD$", 12.01, 6., 2.265*18.8/69.282*15./100, 18.8, 74.4); // for 15%
2cef3cb2 320 AliMixture (11, "Mylar$", amy, zmy, dmy, nmy, wmy);
321 AliMixture (12, "Freon$", afre, zfre, densfre, nfre, wfre);
322 AliMixture (13, "Quartz$", aq, zq, dq, nq, wq);
323 AliMixture (14, "Water$", awa, zwa, dwa, nwa, wwa);
3fe3a833 324
325 Float_t epsil, stmin, deemax, stemax;
2cef3cb2 326
327 // Previous data
fe4da5cc 328 // EPSIL = 0.1 ! Tracking precision,
329 // STEMAX = 0.1 ! Maximum displacement for multiple scattering
330 // DEEMAX = 0.1 ! Maximum fractional energy loss, DLS
331 // STMIN = 0.1
2cef3cb2 332 //
333 // New data
334 epsil = .001; // Tracking precision,
335 stemax = -1.; // Maximum displacement for multiple scattering
336 deemax = -.3; // Maximum fractional energy loss, DLS
fe4da5cc 337 stmin = -.8;
937fe4a4 338
2cef3cb2 339 AliMedium( 1, "Air$" , 1, 0, ISXFLD, SXMGMX, 10., stemax, deemax, epsil, stmin);
340 AliMedium( 2, "Cu $" , 2, 0, ISXFLD, SXMGMX, 10., stemax, deemax, epsil, stmin);
341 AliMedium( 3, "C $" , 3, 0, ISXFLD, SXMGMX, 10., stemax, deemax, epsil, stmin);
342 AliMedium( 4, "Pol$" , 4, 0, ISXFLD, SXMGMX, 10., stemax, deemax, epsil, stmin);
343 AliMedium( 5, "G10$" , 5, 0, ISXFLD, SXMGMX, 10., stemax, deemax, epsil, stmin);
344 AliMedium( 6, "DME$" , 6, 0, ISXFLD, SXMGMX, 10., stemax, deemax, epsil, stmin);
345 AliMedium( 7, "CO2$" , 7, 0, ISXFLD, SXMGMX, 10., -.01, -.1, .01, -.01);
346 AliMedium( 8,"ALUMINA$", 8, 0, ISXFLD, SXMGMX, 10., stemax, deemax, epsil, stmin);
347 AliMedium( 9,"Al Frame$",9, 0, ISXFLD, SXMGMX, 10., stemax, deemax, epsil, stmin);
348 AliMedium(10, "DME-S$", 6, 1, ISXFLD, SXMGMX, 10., stemax, deemax, epsil, stmin);
3fe3a833 349 AliMedium(11, "C-TRD$", 10, 0, ISXFLD, SXMGMX, 10., stemax, deemax, epsil, stmin);
2cef3cb2 350 AliMedium(12, "Myl$" , 11, 0, ISXFLD, SXMGMX, 10., stemax, deemax, epsil, stmin);
351 AliMedium(13, "Fre$" , 12, 0, ISXFLD, SXMGMX, 10., stemax, deemax, epsil, stmin);
3fe3a833 352 AliMedium(14, "Fre-S$", 12, 1, ISXFLD, SXMGMX, 10., stemax, deemax, epsil, stmin);
353 AliMedium(15, "Glass$", 13, 0, ISXFLD, SXMGMX, 10., stemax, deemax, epsil, stmin);
354 AliMedium(16, "Water$", 14, 0, ISXFLD, SXMGMX, 10., stemax, deemax, epsil, stmin);
fe4da5cc 355}
356
357//_____________________________________________________________________________
358Int_t AliTOF::DistancetoPrimitive(Int_t , Int_t )
359{
360 //
361 // Returns distance from mouse pointer to detector, default version
362 //
363 return 9999;
364}
365
366//_____________________________________________________________________________
367void AliTOF::Init()
368{
369 //
370 // Initialise TOF detector after it has been built
371 //
fe4da5cc 372 // Set id of TOF sensitive volume
937fe4a4 373 if (IsVersion() !=0) fIdSens=gMC->VolId("FPAD");
fe4da5cc 374 //
fe4da5cc 375}
376
2cef3cb2 377//____________________________________________________________________________
378void AliTOF::MakeBranch(Option_t* option)
379//
380// Initializes the Branches of the TOF inside the
381// trees written for each event.
382// AliDetector::MakeBranch initializes just the
383// Branch inside TreeH. Here we add the branch in
384// TreeD.
385//
386{
387
388 AliDetector::MakeBranch(option);
389
390 Int_t buffersize = 4000;
391 Char_t branchname[10];
392 sprintf(branchname,"%s",GetName());
393 char *D = strstr(option,"D");
394
395 if (fDigits && gAlice->TreeD() && D){
396 gAlice->TreeD()->Branch(branchname,&fDigits,buffersize);
397 printf("Making Branch %s for digits \n",branchname);
398 }
399}
400
401//____________________________________________________________________________
402void AliTOF::FinishEvent()
403{
404// Hits2Digits();
405}
406
407
408//____________________________________________________________________________
409void AliTOF::Hits2Digits(Int_t evNumber)
410//
411// Starting from the Hits Tree (TreeH), this
412// function writes the Digits Tree (TreeD) storing
413// the digits informations.
414// Has to be called just at the end of an event or
415// at the end of a whole run.
416// It could also be called by AliTOF::Finish Event()
417// but it can be too heavy.
418// Just for MC events.
419//
420// Called by the macro H2D.C
421//
422{
423 AliTOFhit* currentHit;
424 TTree *TD, *TH;
425 Int_t tracks[3];
426 Int_t vol[5];
427 Float_t digit[2];
428 TClonesArray* TOFhits=this->Hits();
429
430 Int_t nparticles = gAlice->GetEvent(evNumber);
431 if (nparticles <= 0) return;
432
433 TD = gAlice->TreeD();
434 TH = gAlice->TreeH();
435 Int_t ntracks =(Int_t) TH->GetEntries();
436 Int_t nbytes, nhits;
437 TRandom *rnd = new TRandom();
438
439 for (Int_t ntk=0; ntk<ntracks; ntk++){
440
441 nbytes = TH->GetEvent(ntk);
442 nhits = TOFhits->GetEntriesFast();
443
444 for (Int_t hit=0; hit<nhits; hit++){
445
446 currentHit = (AliTOFhit*)(TOFhits->At(hit));
447
448 vol[0] = currentHit->GetSector();
449 vol[1] = currentHit->GetPlate();
450 vol[2] = currentHit->GetPad_x();
451 vol[3] = currentHit->GetPad_z();
452 vol[4] = currentHit->GetStrip();
453
454 Float_t IdealTime = currentHit->GetTof();
455 Float_t TDCTime = rnd->Gaus(IdealTime, fTimeRes);
456 digit[0] = TDCTime;
457
458 Float_t IdealCharge = currentHit->GetEdep();
459 Float_t ADCcharge = rnd->Gaus(IdealCharge, fChrgRes);
460 digit[1] = ADCcharge;
461
462 Int_t Track = currentHit -> GetTrack();
463 tracks[0] = Track;
464 tracks[1] = 0;
465 tracks[2] = 0;
466
467 Bool_t Overlap = CheckOverlap(vol, digit, Track);
468 if(!Overlap) AddDigit(tracks, vol, digit);
469 }
470 }
471 TD->Fill();
472 TD->Write();
473}
474
475//___________________________________________________________________________
476Bool_t AliTOF::CheckOverlap(Int_t* vol, Float_t* digit,Int_t Track)
477//
478// Checks if 2 or more hits belong to the same pad.
479// In this case the data assigned to the digit object
480// are the ones of the first hit in order of Time.
481//
482// Called only by Hits2Digits.
483//
484{
485 Bool_t Overlap = 0;
486 Int_t vol2[5];
487
488 for (Int_t ndig=0; ndig<fNdigits; ndig++){
489 AliTOFdigit* currentDigit = (AliTOFdigit*)(fDigits->UncheckedAt(ndig));
490 currentDigit->GetLocation(vol2);
491 Bool_t Idem=1;
492 for (Int_t i=0;i<=4;i++){
493 if (vol[i]!=vol2[i]) Idem=0;}
494 if (Idem){
495 Float_t TDC2 = digit[0];
496 Float_t TDC1 = currentDigit->GetTdc();
497 if (TDC1>TDC2){
498 currentDigit->SetTdc(TDC2);
499 currentDigit->SetAdc(digit[1]);
500 }
501 currentDigit->AddTrack(Track);
502 Overlap = 1;
503 }
504 }
505 return Overlap;
506}
507
508
509//____________________________________________________________________________
510void AliTOF::Digits2Raw(Int_t evNumber)
511//
512// Starting from digits, writes the
513// Raw Data objects, i.e. a
514// TClonesArray of 18 AliTOFRawSector objects
515//
516
517{
518 TTree* TD;
519
520 Int_t nparticles = gAlice->GetEvent(evNumber);
521 if (nparticles <= 0) return;
522
523 TD = gAlice->TreeD();
524
525 TClonesArray* TOFdigits = this->Digits();
526 Int_t ndigits = TOFdigits->GetEntriesFast();
527
528 TClonesArray* Raw = new TClonesArray("AliTOFRawSector",fNTof+2);
529
530 for (Int_t isect=1;isect<=fNTof;isect++){
531 AliTOFRawSector* currentSector = (AliTOFRawSector*)Raw->UncheckedAt(isect);
532 TClonesArray* RocData = (TClonesArray*)currentSector->GetRocData();
533
534 for (Int_t digit=0; digit<ndigits; digit++){
535 AliTOFdigit* currentDigit = (AliTOFdigit*)TOFdigits->UncheckedAt(digit);
536 Int_t sector = currentDigit->GetSector();
537 if (sector==isect){
538 Int_t Pad = currentDigit -> GetTotPad();
539 Int_t Roc = (Int_t)(Pad/fNPadXRoc)-1;
540 if (Roc>=fNRoc) printf("Wrong n. of ROC ! Roc = %i",Roc);
541 Int_t PadRoc = (Int_t) Pad%fNPadXRoc;
542 Int_t Fec = (Int_t)(PadRoc/fNFec)-1;
543 Int_t Tdc = (Int_t)(PadRoc%fNFec)-1;
544 Float_t Time = currentDigit->GetTdc();
545 Float_t Charge = currentDigit->GetAdc();
546 AliTOFRoc* currentROC = (AliTOFRoc*)RocData->UncheckedAt(Roc);
547 Int_t Error = 0;
548 currentROC->AddItem(Fec, Tdc, Error, Charge, Time);
549 }
550 }
551
552 UInt_t TotSize=16,RocSize=0;
553 UInt_t RocHead[14],RocChek[14];
554 UInt_t GlobalCheckSum=0;
555
556 for (UInt_t iRoc = 1; iRoc<(UInt_t)fNRoc; iRoc++){
557 AliTOFRoc* currentRoc = (AliTOFRoc*)RocData->UncheckedAt(iRoc);
558 RocSize = currentRoc->Items*2+1;
559 TotSize += RocSize*4;
f5489efc 560 if (RocSize>=TMath::Power(2,16)) RocSize=0;
2cef3cb2 561 RocHead[iRoc] = iRoc<<28;
562 RocHead[iRoc] += RocSize;
563 RocChek[iRoc] = currentRoc->GetCheckSum();
564 Int_t HeadCheck = currentRoc->BitCount(RocHead[iRoc]);
565 GlobalCheckSum += HeadCheck;
566 GlobalCheckSum += RocChek[iRoc];
567 }
568
569 AliTOFRoc* DummyRoc = new AliTOFRoc();
570 TotSize *= 4;
f5489efc 571 if (TotSize>=TMath::Power(2,24)) TotSize=0;
2cef3cb2 572 UInt_t Header = TotSize;
573 UInt_t SectId = ((UInt_t)isect)<<24;
574 Header += SectId;
575 GlobalCheckSum += DummyRoc->BitCount(Header);
576 currentSector->SetGlobalCS(GlobalCheckSum);
577 currentSector->SetHeader(Header);
578 }
579}
580
581//____________________________________________________________________________
582void AliTOF::Raw2Digits(Int_t evNumber)
583//
584// Converts Raw Data objects into digits objects.
585// We schematize the raw data with a
586// TClonesArray of 18 AliTOFRawSector objects
587//
588{
589 TTree *TD;
590 Int_t vol[5];
591 Int_t tracks[3];
592 Float_t digit[2];
593
594 tracks[0]=0;
595 tracks[1]=0;
596 tracks[2]=0;
fe4da5cc 597
2cef3cb2 598 Int_t nparticles = gAlice->GetEvent(evNumber);
599 if (nparticles <= 0) return;
600
601 TD = gAlice->TreeD();
602
603 TClonesArray* Raw = new TClonesArray("AliTOFRawSector",fNTof+2);
604
605 for(Int_t nSec=1; nSec<=fNTof; nSec++){
606 AliTOFRawSector* currentSector = (AliTOFRawSector*)Raw->UncheckedAt(nSec);
607 TClonesArray* RocData = (TClonesArray*)currentSector->GetRocData();
608 for(Int_t nRoc=1; nRoc<=14; nRoc++){
609 AliTOFRoc* currentRoc = (AliTOFRoc*)RocData->UncheckedAt(nRoc);
610 Int_t currentItems = currentRoc->GetItems();
611 for(Int_t item=1; item<currentItems; item++){
612 Int_t nPad = currentRoc->GetTotPad(item);
613 vol[0] = nSec;
614 Int_t nStrip = (Int_t)(nPad/fPadXStr)+1;
615 Int_t nPlate = 5;
616 if (nStrip<=fNStripC+2*fNStripB+fNStripA) nPlate = 4;
617 if (nStrip<=fNStripC+fNStripB+fNStripA) nPlate = 3;
618 if (nStrip<=fNStripC+fNStripB) nPlate = 2;
619 if (nStrip<=fNStripC) nPlate=1;
620 vol[1] = nPlate;
621 switch (nPlate){
622 case 1: break;
623 case 2: nStrip -= (fNStripC);
624 break;
625 case 3: nStrip -= (fNStripC+fNStripB);
626 break;
627 case 4: nStrip -= (fNStripC+fNStripB+fNStripA);
628 break;
629 case 5: nStrip -= (fNStripC+2*fNStripB+fNStripA);
630 break;
631 }
632 vol[2] = nStrip;
633 Int_t Pad = nPad%fPadXStr;
634 if (Pad==0) Pad=fPadXStr;
635 Int_t nPadX=0, nPadZ=0;
636 (Pad>fNpadX)? nPadX -= fNpadX : nPadX = Pad ;
637 vol[3] = nPadX;
638 (Pad>fNpadX)? nPadZ = 2 : nPadZ = 1 ;
639 vol[4] = nPadZ;
640 UInt_t error=0;
641 Float_t TDC = currentRoc->GetTime(item,error);
642 if (!error) digit[0]=TDC;
643 digit[1] = currentRoc->GetCharge(item);
644 AddDigit(tracks,vol,digit);
645 }
646 }
647 }
648 TD->Fill();
649 TD->Write();
650}
651
652
653/******************************************************************************/
654
fe4da5cc 655ClassImp(AliTOFhit)
656
2cef3cb2 657//______________________________________________________________________________
658AliTOFhit::AliTOFhit(Int_t shunt, Int_t track, Int_t *vol,
659 Float_t *hits)
660:AliHit(shunt, track)
661//
662// Constructor of hit object
663//
fe4da5cc 664{
665 //
666 // Store a TOF hit
2cef3cb2 667 // _______________
fe4da5cc 668 //
2cef3cb2 669 // Hit Volume
670 //
671 fSector= vol[0];
672 fPlate = vol[1];
673 fStrip = vol[2];
674 fPad_x = vol[3];
675 fPad_z = vol[4];
fe4da5cc 676 //
2cef3cb2 677 //Position
678 fX = hits[0];
679 fY = hits[1];
680 fZ = hits[2];
fe4da5cc 681 //
682 // Momentum
2cef3cb2 683 fPx = hits[3];
684 fPy = hits[4];
685 fPz = hits[5];
686 fPmom= hits[6];
fe4da5cc 687 //
688 // Time Of Flight
2cef3cb2 689 fTof = hits[7]; //TOF[s]
690 //
691 // Other Data
692 fDx = hits[8]; //Distance from the edge along x axis
693 fDy = hits[9]; //Y cohordinate of the hit
694 fDz = hits[10]; //Distance from the edge along z axis
695 fIncA= hits[11]; //Incidence angle
696 fEdep= hits[12]; //Energy loss in TOF pad
697}
698
699//******************************************************************************
700
701ClassImp(AliTOFdigit)
702
703//______________________________________________________________________________
704AliTOFdigit::AliTOFdigit(Int_t *tracks, Int_t *vol,Float_t *digit)
705:AliDigit(tracks)
706//
707// Constructor of digit object
708//
709{
710 fSector = vol[0];
711 fPlate = vol[1];
712 fStrip = vol[2];
713 fPad_x = vol[3];
714 fPad_z = vol[4];
715 fTdc = digit[0];
716 fAdc = digit[1];
717}
718
719//______________________________________________________________________________
720void AliTOFdigit::GetLocation(Int_t *Loc)
721//
722// Get the cohordinates of the digit
723// in terms of Sector - Plate - Strip - Pad
724//
725{
726 Loc[0]=fSector;
727 Loc[1]=fPlate;
728 Loc[2]=fStrip;
729 Loc[3]=fPad_x;
730 Loc[4]=fPad_z;
731}
732
733//______________________________________________________________________________
734Int_t AliTOFdigit::GetTotPad()
735//
736// Get the "total" index of the pad inside a Sector
737// starting from the digits data.
738//
739{
740 AliTOF* TOF;
741
742 if(gAlice){
743 TOF =(AliTOF*) gAlice->GetDetector("TOF");
744 }else{
745 printf("AliTOFdigit::GetTotPad - No AliRun object present, exiting");
746 return 0;
747 }
748
749 Int_t Pad = fPad_x+TOF->fNpadX*(fPad_z-1);
750 Int_t Before=0;
751
752 switch(fPlate){
753 case 1: Before = 0;
754 break;
755 case 2: Before = TOF->fNStripC;
756 break;
757 case 3: Before = TOF->fNStripB + TOF->fNStripC;
758 break;
759 case 4: Before = TOF->fNStripA + TOF->fNStripB + TOF->fNStripC;
760 break;
761 case 5: Before = TOF->fNStripA + 2*TOF->fNStripB + TOF->fNStripC;
762 break;
763 }
764
765 Int_t Strip = fStrip+Before;
766 Int_t PadTot = TOF->fPadXStr*(Strip-1)+Pad;
767 return PadTot;
768}
769
770//______________________________________________________________________________
771void AliTOFdigit::AddTrack(Int_t track)
772//
773// Add a track to the digit
774//
775{
776 if (fTracks[1]==0){
777 fTracks[1] = track;
778 }else if (fTracks[2]==0){
779 fTracks[2] = track;
780 }else{
781 printf("AliTOFdigit::AddTrack ERROR: Too many Tracks (>3) \n");
782 }
fe4da5cc 783}
937fe4a4 784