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