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Modified for use with AliHit
[u/mrichter/AliRoot.git] / RICH / AliRICH.cxx
CommitLineData
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/*
2e5f0f7b 17 $Log$
a2f7eaf6 18 Revision 1.25 2000/10/02 21:28:12 fca
19 Removal of useless dependecies via forward declarations
20
94de3818 21 Revision 1.24 2000/10/02 15:43:17 jbarbosa
22 Fixed forward declarations.
23 Fixed honeycomb density.
24 Fixed cerenkov storing.
25 New electronics.
26
9dda3582 27 Revision 1.23 2000/09/13 10:42:14 hristov
28 Minor corrections for HP, DEC and Sun; strings.h included
29
e813258a 30 Revision 1.22 2000/09/12 18:11:13 fca
31 zero hits area before using
32
e51a3fa9 33 Revision 1.21 2000/07/21 10:21:07 morsch
34 fNrawch = 0; and fNrechits = 0; in the default constructor.
35
db481a6e 36 Revision 1.20 2000/07/10 15:28:39 fca
37 Correction of the inheritance scheme
38
452a64c6 39 Revision 1.19 2000/06/30 16:29:51 dibari
40 Added kDebugLevel variable to control output size on demand
41
33984590 42 Revision 1.18 2000/06/12 15:15:46 jbarbosa
43 Cleaned up version.
44
237c933d 45 Revision 1.17 2000/06/09 14:58:37 jbarbosa
46 New digitisation per particle type
47
d28b5fc2 48 Revision 1.16 2000/04/19 12:55:43 morsch
49 Newly structured and updated version (JB, AM)
50
4c039060 51*/
52
2e5f0f7b 53
ddae0931 54////////////////////////////////////////////////
55// Manager and hits classes for set:RICH //
56////////////////////////////////////////////////
fe4da5cc 57
ddae0931 58#include <TBRIK.h>
59#include <TTUBE.h>
fe4da5cc 60#include <TNode.h>
61#include <TRandom.h>
ddae0931 62#include <TObject.h>
63#include <TVector.h>
64#include <TObjArray.h>
2e5f0f7b 65#include <TArrayF.h>
237c933d 66#include <TFile.h>
67#include <TParticle.h>
94de3818 68#include <TGeometry.h>
69#include <TTree.h>
70
237c933d 71#include <iostream.h>
e813258a 72#include <strings.h>
fe4da5cc 73
fe4da5cc 74#include "AliRICH.h"
a2f7eaf6 75#include "AliSegmentation.h"
237c933d 76#include "AliRICHHit.h"
77#include "AliRICHCerenkov.h"
78#include "AliRICHPadHit.h"
79#include "AliRICHDigit.h"
80#include "AliRICHTransientDigit.h"
81#include "AliRICHRawCluster.h"
82#include "AliRICHRecHit.h"
83#include "AliRICHHitMapA1.h"
2e5f0f7b 84#include "AliRICHClusterFinder.h"
fe4da5cc 85#include "AliRun.h"
ddae0931 86#include "AliMC.h"
94de3818 87#include "AliMagF.h"
452a64c6 88#include "AliConst.h"
89#include "AliPDG.h"
2e5f0f7b 90#include "AliPoints.h"
ddae0931 91#include "AliCallf77.h"
452a64c6 92#include "TGeant3.h"
237c933d 93
ddae0931 94
95// Static variables for the pad-hit iterator routines
96static Int_t sMaxIterPad=0;
97static Int_t sCurIterPad=0;
98static TClonesArray *fClusters2;
99static TClonesArray *fHits2;
2e5f0f7b 100static TTree *TrH1;
ddae0931 101
fe4da5cc 102ClassImp(AliRICH)
ddae0931 103
104//___________________________________________
fe4da5cc 105AliRICH::AliRICH()
106{
237c933d 107// Default constructor for RICH manager class
108
ddae0931 109 fIshunt = 0;
110 fHits = 0;
2e5f0f7b 111 fPadHits = 0;
112 fNPadHits = 0;
113 fNcerenkovs = 0;
ddae0931 114 fDchambers = 0;
ddae0931 115 fCerenkovs = 0;
9dda3582 116 for (Int_t i=0; i<7; i++)
117 {
118 fNdch[i] = 0;
119 fNrawch[i] = 0;
120 fNrechits[i] = 0;
121 }
fe4da5cc 122}
ddae0931 123
124//___________________________________________
fe4da5cc 125AliRICH::AliRICH(const char *name, const char *title)
ddae0931 126 : AliDetector(name,title)
fe4da5cc 127{
ddae0931 128//Begin_Html
129/*
130 <img src="gif/alirich.gif">
131*/
132//End_Html
133
2e5f0f7b 134 fHits = new TClonesArray("AliRICHHit",1000 );
1cedd08a 135 gAlice->AddHitList(fHits);
2e5f0f7b 136 fPadHits = new TClonesArray("AliRICHPadHit",100000);
137 fCerenkovs = new TClonesArray("AliRICHCerenkov",1000);
138 gAlice->AddHitList(fCerenkovs);
139 //gAlice->AddHitList(fHits);
140 fNPadHits = 0;
141 fNcerenkovs = 0;
142 fIshunt = 0;
ddae0931 143
9dda3582 144 //fNdch = new Int_t[kNCH];
ddae0931 145
237c933d 146 fDchambers = new TObjArray(kNCH);
2e5f0f7b 147
237c933d 148 fRecHits = new TObjArray(kNCH);
ddae0931 149
150 Int_t i;
151
237c933d 152 for (i=0; i<kNCH ;i++) {
2e5f0f7b 153 (*fDchambers)[i] = new TClonesArray("AliRICHDigit",10000);
ddae0931 154 fNdch[i]=0;
155 }
2e5f0f7b 156
9dda3582 157 //fNrawch = new Int_t[kNCH];
ddae0931 158
237c933d 159 fRawClusters = new TObjArray(kNCH);
d28b5fc2 160 //printf("Created fRwClusters with adress:%p",fRawClusters);
2e5f0f7b 161
237c933d 162 for (i=0; i<kNCH ;i++) {
2e5f0f7b 163 (*fRawClusters)[i] = new TClonesArray("AliRICHRawCluster",10000);
164 fNrawch[i]=0;
165 }
166
9dda3582 167 //fNrechits = new Int_t[kNCH];
ddae0931 168
237c933d 169 for (i=0; i<kNCH ;i++) {
2e5f0f7b 170 (*fRecHits)[i] = new TClonesArray("AliRICHRecHit",1000);
171 }
d28b5fc2 172 //printf("Created fRecHits with adress:%p",fRecHits);
2e5f0f7b 173
174
ddae0931 175 SetMarkerColor(kRed);
fe4da5cc 176}
177
237c933d 178AliRICH::AliRICH(const AliRICH& RICH)
179{
180// Copy Constructor
181}
182
183
ddae0931 184//___________________________________________
fe4da5cc 185AliRICH::~AliRICH()
186{
237c933d 187
188// Destructor of RICH manager class
189
ddae0931 190 fIshunt = 0;
191 delete fHits;
2e5f0f7b 192 delete fPadHits;
ddae0931 193 delete fCerenkovs;
fe4da5cc 194}
195
ddae0931 196//___________________________________________
fe4da5cc 197void AliRICH::AddHit(Int_t track, Int_t *vol, Float_t *hits)
198{
237c933d 199
200//
201// Adds a hit to the Hits list
202//
203
ddae0931 204 TClonesArray &lhits = *fHits;
2e5f0f7b 205 new(lhits[fNhits++]) AliRICHHit(fIshunt,track,vol,hits);
fe4da5cc 206}
fe4da5cc 207//_____________________________________________________________________________
ddae0931 208void AliRICH::AddCerenkov(Int_t track, Int_t *vol, Float_t *cerenkovs)
209{
237c933d 210
211//
212// Adds a RICH cerenkov hit to the Cerenkov Hits list
213//
214
ddae0931 215 TClonesArray &lcerenkovs = *fCerenkovs;
216 new(lcerenkovs[fNcerenkovs++]) AliRICHCerenkov(fIshunt,track,vol,cerenkovs);
2e5f0f7b 217 //printf ("Done for Cerenkov %d\n\n\n\n",fNcerenkovs);
fe4da5cc 218}
ddae0931 219//___________________________________________
2e5f0f7b 220void AliRICH::AddPadHit(Int_t *clhits)
ddae0931 221{
237c933d 222
223//
224// Add a RICH pad hit to the list
225//
226
2e5f0f7b 227 TClonesArray &lPadHits = *fPadHits;
228 new(lPadHits[fNPadHits++]) AliRICHPadHit(clhits);
33984590 229}
fe4da5cc 230//_____________________________________________________________________________
ddae0931 231void AliRICH::AddDigits(Int_t id, Int_t *tracks, Int_t *charges, Int_t *digits)
232{
237c933d 233
234 //
235 // Add a RICH digit to the list
236 //
ddae0931 237
238 TClonesArray &ldigits = *((TClonesArray*)(*fDchambers)[id]);
2e5f0f7b 239 new(ldigits[fNdch[id]++]) AliRICHDigit(tracks,charges,digits);
fe4da5cc 240}
241
242//_____________________________________________________________________________
2e5f0f7b 243void AliRICH::AddRawCluster(Int_t id, const AliRICHRawCluster& c)
fe4da5cc 244{
ddae0931 245 //
2e5f0f7b 246 // Add a RICH digit to the list
ddae0931 247 //
2e5f0f7b 248
249 TClonesArray &lrawcl = *((TClonesArray*)(*fRawClusters)[id]);
250 new(lrawcl[fNrawch[id]++]) AliRICHRawCluster(c);
fe4da5cc 251}
252
2e5f0f7b 253//_____________________________________________________________________________
33984590 254void AliRICH::AddRecHit(Int_t id, Float_t *rechit, Float_t *photons, Int_t *padsx, Int_t* padsy)
2e5f0f7b 255{
237c933d 256
257 //
258 // Add a RICH reconstructed hit to the list
259 //
fe4da5cc 260
2e5f0f7b 261 TClonesArray &lrec = *((TClonesArray*)(*fRecHits)[id]);
33984590 262 new(lrec[fNrechits[id]++]) AliRICHRecHit(id,rechit,photons,padsx,padsy);
2e5f0f7b 263}
fe4da5cc 264
ddae0931 265//___________________________________________
266void AliRICH::BuildGeometry()
267
fe4da5cc 268{
237c933d 269
270 //
271 // Builds a TNode geometry for event display
272 //
273 TNode *node, *top;
ddae0931 274
275 const int kColorRICH = kGreen;
276 //
237c933d 277 top=gAlice->GetGeometry()->GetNode("alice");
ddae0931 278
279
280 new TBRIK("S_RICH","S_RICH","void",71.09999,11.5,73.15);
281
237c933d 282 top->cd();
ddae0931 283 Float_t pos1[3]={0,471.8999,165.2599};
2e5f0f7b 284 //Chamber(0).SetChamberTransform(pos1[0],pos1[1],pos1[2],
285 new TRotMatrix("rot993","rot993",90,0,70.69,90,19.30999,-90);
237c933d 286 node = new TNode("RICH1","RICH1","S_RICH",pos1[0],pos1[1],pos1[2],"rot993");
ddae0931 287
288
237c933d 289 node->SetLineColor(kColorRICH);
290 fNodes->Add(node);
291 top->cd();
ddae0931 292
293 Float_t pos2[3]={171,470,0};
2e5f0f7b 294 //Chamber(1).SetChamberTransform(pos2[0],pos2[1],pos2[2],
295 new TRotMatrix("rot994","rot994",90,-20,90,70,0,0);
237c933d 296 node = new TNode("RICH2","RICH2","S_RICH",pos2[0],pos2[1],pos2[2],"rot994");
ddae0931 297
298
237c933d 299 node->SetLineColor(kColorRICH);
300 fNodes->Add(node);
301 top->cd();
ddae0931 302 Float_t pos3[3]={0,500,0};
2e5f0f7b 303 //Chamber(2).SetChamberTransform(pos3[0],pos3[1],pos3[2],
304 new TRotMatrix("rot995","rot995",90,0,90,90,0,0);
237c933d 305 node = new TNode("RICH3","RICH3","S_RICH",pos3[0],pos3[1],pos3[2],"rot995");
ddae0931 306
307
237c933d 308 node->SetLineColor(kColorRICH);
309 fNodes->Add(node);
310 top->cd();
ddae0931 311 Float_t pos4[3]={-171,470,0};
2e5f0f7b 312 //Chamber(3).SetChamberTransform(pos4[0],pos4[1],pos4[2],
313 new TRotMatrix("rot996","rot996",90,20,90,110,0,0);
237c933d 314 node = new TNode("RICH4","RICH4","S_RICH",pos4[0],pos4[1],pos4[2],"rot996");
ddae0931 315
316
237c933d 317 node->SetLineColor(kColorRICH);
318 fNodes->Add(node);
319 top->cd();
ddae0931 320 Float_t pos5[3]={161.3999,443.3999,-165.3};
2e5f0f7b 321 //Chamber(4).SetChamberTransform(pos5[0],pos5[1],pos5[2],
322 new TRotMatrix("rot997","rot997",90,340,108.1999,70,18.2,70);
237c933d 323 node = new TNode("RICH5","RICH5","S_RICH",pos5[0],pos5[1],pos5[2],"rot997");
ddae0931 324
237c933d 325 node->SetLineColor(kColorRICH);
326 fNodes->Add(node);
327 top->cd();
ddae0931 328 Float_t pos6[3]={0., 471.9, -165.3,};
2e5f0f7b 329 //Chamber(5).SetChamberTransform(pos6[0],pos6[1],pos6[2],
330 new TRotMatrix("rot998","rot998",90,0,109.3099,90,19.30999,90);
237c933d 331 node = new TNode("RICH6","RICH6","S_RICH",pos6[0],pos6[1],pos6[2],"rot998");
ddae0931 332
333
237c933d 334 node->SetLineColor(kColorRICH);
335 fNodes->Add(node);
336 top->cd();
ddae0931 337 Float_t pos7[3]={-161.399,443.3999,-165.3};
2e5f0f7b 338 //Chamber(6).SetChamberTransform(pos7[0],pos7[1],pos7[2],
339 new TRotMatrix("rot999","rot999",90,20,108.1999,110,18.2,110);
237c933d 340 node = new TNode("RICH7","RICH7","S_RICH",pos7[0],pos7[1],pos7[2],"rot999");
341 node->SetLineColor(kColorRICH);
342 fNodes->Add(node);
ddae0931 343
fe4da5cc 344}
345
452a64c6 346//___________________________________________
347void AliRICH::CreateGeometry()
348{
349 //
350 // Create the geometry for RICH version 1
351 //
352 // Modified by: N. Colonna (INFN - BARI, Nicola.Colonna@ba.infn.it)
353 // R.A. Fini (INFN - BARI, Rosanna.Fini@ba.infn.it)
354 // R.A. Loconsole (Bari University, loco@riscom.ba.infn.it)
355 //
356 //Begin_Html
357 /*
358 <img src="picts/AliRICHv1.gif">
359 */
360 //End_Html
361 //Begin_Html
362 /*
363 <img src="picts/AliRICHv1Tree.gif">
364 */
365 //End_Html
366
367 AliRICH *pRICH = (AliRICH *) gAlice->GetDetector("RICH");
a2f7eaf6 368 AliSegmentation* segmentation;
452a64c6 369 AliRICHGeometry* geometry;
370 AliRICHChamber* iChamber;
371
372 iChamber = &(pRICH->Chamber(0));
373 segmentation=iChamber->GetSegmentationModel(0);
374 geometry=iChamber->GetGeometryModel();
375
376 Float_t distance;
377 distance = geometry->GetFreonThickness()/2 + geometry->GetQuartzThickness() + geometry->GetGapThickness();
378 geometry->SetRadiatorToPads(distance);
379
380
381 Int_t *idtmed = fIdtmed->GetArray()-999;
382
383 Int_t i;
384 Float_t zs;
385 Int_t idrotm[1099];
386 Float_t par[3];
387
388 // --- Define the RICH detector
389 // External aluminium box
390 par[0] = 71.1;
391 par[1] = 11.5; //Original Settings
392 par[2] = 73.15;
393 /*par[0] = 73.15;
394 par[1] = 11.5;
395 par[2] = 71.1;*/
396 gMC->Gsvolu("RICH", "BOX ", idtmed[1009], par, 3);
397
398 // Sensitive part of the whole RICH
399 par[0] = 64.8;
400 par[1] = 11.5; //Original Settings
401 par[2] = 66.55;
402 /*par[0] = 66.55;
403 par[1] = 11.5;
404 par[2] = 64.8;*/
405 gMC->Gsvolu("SRIC", "BOX ", idtmed[1000], par, 3);
406
407 // Honeycomb
408 par[0] = 63.1;
409 par[1] = .188; //Original Settings
410 par[2] = 66.55;
411 /*par[0] = 66.55;
412 par[1] = .188;
413 par[2] = 63.1;*/
414 gMC->Gsvolu("HONE", "BOX ", idtmed[1001], par, 3);
415
416 // Aluminium sheet
417 par[0] = 63.1;
418 par[1] = .025; //Original Settings
419 par[2] = 66.55;
420 /*par[0] = 66.5;
421 par[1] = .025;
422 par[2] = 63.1;*/
423 gMC->Gsvolu("ALUM", "BOX ", idtmed[1009], par, 3);
424
425 // Quartz
426 par[0] = geometry->GetQuartzWidth()/2;
427 par[1] = geometry->GetQuartzThickness()/2;
428 par[2] = geometry->GetQuartzLength()/2;
429 /*par[0] = 63.1;
430 par[1] = .25; //Original Settings
431 par[2] = 65.5;*/
432 /*par[0] = geometry->GetQuartzWidth()/2;
433 par[1] = geometry->GetQuartzThickness()/2;
434 par[2] = geometry->GetQuartzLength()/2;*/
435 //printf("\n\n\n\n\n\n\n\\n\n\n\n Gap Thickness: %f %f %f\n\n\n\n\n\n\n\n\n\n\n\n\n\n",par[0],par[1],par[2]);
436 gMC->Gsvolu("QUAR", "BOX ", idtmed[1002], par, 3);
437
438 // Spacers (cylinders)
439 par[0] = 0.;
440 par[1] = .5;
441 par[2] = geometry->GetFreonThickness()/2;
442 gMC->Gsvolu("SPAC", "TUBE", idtmed[1002], par, 3);
443
444 // Opaque quartz
445 par[0] = 61.95;
446 par[1] = .2; //Original Settings
447 par[2] = 66.5;
448 /*par[0] = 66.5;
449 par[1] = .2;
450 par[2] = 61.95;*/
451 gMC->Gsvolu("OQUA", "BOX ", idtmed[1007], par, 3);
452
453 // Frame of opaque quartz
454 par[0] = geometry->GetOuterFreonWidth()/2;
455 par[1] = geometry->GetFreonThickness()/2;
456 par[2] = geometry->GetOuterFreonLength()/2 + 1;
457 /*par[0] = 20.65;
458 par[1] = .5; //Original Settings
459 par[2] = 66.5;*/
460 /*par[0] = 66.5;
461 par[1] = .5;
462 par[2] = 20.65;*/
463 gMC->Gsvolu("OQF1", "BOX ", idtmed[1007], par, 3);
464
465 par[0] = geometry->GetInnerFreonWidth()/2;
466 par[1] = geometry->GetFreonThickness()/2;
467 par[2] = geometry->GetInnerFreonLength()/2 + 1;
468 gMC->Gsvolu("OQF2", "BOX ", idtmed[1007], par, 3);
469
470 // Little bar of opaque quartz
471 par[0] = .275;
472 par[1] = geometry->GetQuartzThickness()/2;
473 par[2] = geometry->GetInnerFreonLength()/2 - 2.4;
474 /*par[0] = .275;
475 par[1] = .25; //Original Settings
476 par[2] = 63.1;*/
477 /*par[0] = 63.1;
478 par[1] = .25;
479 par[2] = .275;*/
480 gMC->Gsvolu("BARR", "BOX ", idtmed[1007], par, 3);
481
482 // Freon
483 par[0] = geometry->GetOuterFreonWidth()/2;
484 par[1] = geometry->GetFreonThickness()/2;
485 par[2] = geometry->GetOuterFreonLength()/2;
486 /*par[0] = 20.15;
487 par[1] = .5; //Original Settings
488 par[2] = 65.5;*/
489 /*par[0] = 65.5;
490 par[1] = .5;
491 par[2] = 20.15;*/
492 gMC->Gsvolu("FRE1", "BOX ", idtmed[1003], par, 3);
493
494 par[0] = geometry->GetInnerFreonWidth()/2;
495 par[1] = geometry->GetFreonThickness()/2;
496 par[2] = geometry->GetInnerFreonLength()/2;
497 gMC->Gsvolu("FRE2", "BOX ", idtmed[1003], par, 3);
498
499 // Methane
500 par[0] = 64.8;
501 par[1] = geometry->GetGapThickness()/2;
502 //printf("\n\n\n\n\n\n\n\\n\n\n\n Gap Thickness: %f\n\n\n\n\n\n\n\n\n\n\n\n\n\n",par[1]);
503 par[2] = 64.8;
504 gMC->Gsvolu("META", "BOX ", idtmed[1004], par, 3);
505
506 // Methane gap
507 par[0] = 64.8;
508 par[1] = geometry->GetProximityGapThickness()/2;
509 //printf("\n\n\n\n\n\n\n\\n\n\n\n Gap Thickness: %f\n\n\n\n\n\n\n\n\n\n\n\n\n\n",par[1]);
510 par[2] = 64.8;
511 gMC->Gsvolu("GAP ", "BOX ", idtmed[1008], par, 3);
512
513 // CsI photocathode
514 par[0] = 64.8;
515 par[1] = .25;
516 par[2] = 64.8;
517 gMC->Gsvolu("CSI ", "BOX ", idtmed[1005], par, 3);
518
519 // Anode grid
520 par[0] = 0.;
521 par[1] = .001;
522 par[2] = 20.;
523 gMC->Gsvolu("GRID", "TUBE", idtmed[1006], par, 3);
524
525 // --- Places the detectors defined with GSVOLU
526 // Place material inside RICH
527 gMC->Gspos("SRIC", 1, "RICH", 0., 0., 0., 0, "ONLY");
528
529 gMC->Gspos("ALUM", 1, "SRIC", 0., 1.276 - geometry->GetGapThickness()/2 - geometry->GetQuartzThickness() - geometry->GetFreonThickness()- .4 -.05 - .376 -.025, 0., 0, "ONLY");
530 gMC->Gspos("HONE", 1, "SRIC", 0., 1.276- geometry->GetGapThickness()/2 - geometry->GetQuartzThickness() - geometry->GetFreonThickness()- .4 -.05 - .188, 0., 0, "ONLY");
531 gMC->Gspos("ALUM", 2, "SRIC", 0., 1.276 - geometry->GetGapThickness()/2 - geometry->GetQuartzThickness() - geometry->GetFreonThickness()- .4 - .025, 0., 0, "ONLY");
532 gMC->Gspos("OQUA", 1, "SRIC", 0., 1.276 - geometry->GetGapThickness()/2 - geometry->GetQuartzThickness() - geometry->GetFreonThickness()- .2, 0., 0, "ONLY");
533
534 AliMatrix(idrotm[1019], 0., 0., 90., 0., 90., 90.);
535
536 Int_t nspacers = (Int_t)(TMath::Abs(geometry->GetInnerFreonLength()/14.4));
537 //printf("\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n Spacers:%d\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n",nspacers);
538
539 //printf("Nspacers: %d", nspacers);
540
541 //for (i = 1; i <= 9; ++i) {
542 //zs = (5 - i) * 14.4; //Original settings
543 for (i = 0; i < nspacers; i++) {
544 zs = (TMath::Abs(nspacers/2) - i) * 14.4;
545 gMC->Gspos("SPAC", i, "FRE1", 6.7, 0., zs, idrotm[1019], "ONLY"); //Original settings
546 //gMC->Gspos("SPAC", i, "FRE1", zs, 0., 6.7, idrotm[1019], "ONLY");
547 }
548 //for (i = 10; i <= 18; ++i) {
549 //zs = (14 - i) * 14.4; //Original settings
550 for (i = nspacers; i < nspacers*2; ++i) {
551 zs = (nspacers + TMath::Abs(nspacers/2) - i) * 14.4;
552 gMC->Gspos("SPAC", i, "FRE1", -6.7, 0., zs, idrotm[1019], "ONLY"); //Original settings
553 //gMC->Gspos("SPAC", i, "FRE1", zs, 0., -6.7, idrotm[1019], "ONLY");
554 }
555
556 //for (i = 1; i <= 9; ++i) {
557 //zs = (5 - i) * 14.4; //Original settings
558 for (i = 0; i < nspacers; i++) {
559 zs = (TMath::Abs(nspacers/2) - i) * 14.4;
560 gMC->Gspos("SPAC", i, "FRE2", 6.7, 0., zs, idrotm[1019], "ONLY"); //Original settings
561 //gMC->Gspos("SPAC", i, "FRE2", zs, 0., 6.7, idrotm[1019], "ONLY");
562 }
563 //for (i = 10; i <= 18; ++i) {
564 //zs = (5 - i) * 14.4; //Original settings
565 for (i = nspacers; i < nspacers*2; ++i) {
566 zs = (nspacers + TMath::Abs(nspacers/2) - i) * 14.4;
567 gMC->Gspos("SPAC", i, "FRE2", -6.7, 0., zs, idrotm[1019], "ONLY"); //Original settings
568 //gMC->Gspos("SPAC", i, "FRE2", zs, 0., -6.7, idrotm[1019], "ONLY");
569 }
570
571 /*gMC->Gspos("FRE1", 1, "OQF1", 0., 0., 0., 0, "ONLY");
572 gMC->Gspos("FRE2", 1, "OQF2", 0., 0., 0., 0, "ONLY");
573 gMC->Gspos("OQF1", 1, "SRIC", 31.3, -4.724, 41.3, 0, "ONLY");
574 gMC->Gspos("OQF2", 2, "SRIC", 0., -4.724, 0., 0, "ONLY");
575 gMC->Gspos("OQF1", 3, "SRIC", -31.3, -4.724, -41.3, 0, "ONLY");
576 gMC->Gspos("BARR", 1, "QUAR", -21.65, 0., 0., 0, "ONLY"); //Original settings
577 gMC->Gspos("BARR", 2, "QUAR", 21.65, 0., 0., 0, "ONLY"); //Original settings
578 gMC->Gspos("QUAR", 1, "SRIC", 0., -3.974, 0., 0, "ONLY");
579 gMC->Gspos("GAP ", 1, "META", 0., 4.8, 0., 0, "ONLY");
580 gMC->Gspos("META", 1, "SRIC", 0., 1.276, 0., 0, "ONLY");
581 gMC->Gspos("CSI ", 1, "SRIC", 0., 6.526, 0., 0, "ONLY");*/
582
583
584 gMC->Gspos("FRE1", 1, "OQF1", 0., 0., 0., 0, "ONLY");
585 gMC->Gspos("FRE2", 1, "OQF2", 0., 0., 0., 0, "ONLY");
586 gMC->Gspos("OQF1", 1, "SRIC", geometry->GetOuterFreonWidth()/2 + geometry->GetInnerFreonWidth()/2, 1.276 - geometry->GetGapThickness()/2- geometry->GetQuartzThickness() -geometry->GetFreonThickness()/2, 0., 0, "ONLY"); //Original settings (31.3)
587 gMC->Gspos("OQF2", 2, "SRIC", 0., 1.276 - geometry->GetGapThickness()/2 - geometry->GetQuartzThickness() - geometry->GetFreonThickness()/2, 0., 0, "ONLY"); //Original settings
588 gMC->Gspos("OQF1", 3, "SRIC", - (geometry->GetOuterFreonWidth()/2 + geometry->GetInnerFreonWidth()/2), 1.276 - geometry->GetGapThickness()/2 - geometry->GetQuartzThickness() - geometry->GetFreonThickness()/2, 0., 0, "ONLY"); //Original settings (-31.3)
589 gMC->Gspos("BARR", 1, "QUAR", -21.65, 0., 0., 0, "ONLY"); //Original settings
590 gMC->Gspos("BARR", 2, "QUAR", 21.65, 0., 0., 0, "ONLY"); //Original settings
591 gMC->Gspos("QUAR", 1, "SRIC", 0., 1.276 - geometry->GetGapThickness()/2 - geometry->GetQuartzThickness()/2, 0., 0, "ONLY");
592 gMC->Gspos("GAP ", 1, "META", 0., geometry->GetGapThickness()/2 - geometry->GetProximityGapThickness()/2 - 0.0001, 0., 0, "ONLY");
593 gMC->Gspos("META", 1, "SRIC", 0., 1.276, 0., 0, "ONLY");
594 gMC->Gspos("CSI ", 1, "SRIC", 0., 1.276 + geometry->GetGapThickness()/2 + .25, 0., 0, "ONLY");
595
596 //printf("Position of the gap: %f to %f\n", 1.276 + geometry->GetGapThickness()/2 - geometry->GetProximityGapThickness()/2 - .2, 1.276 + geometry->GetGapThickness()/2 - geometry->GetProximityGapThickness()/2 + .2);
597
598 // Place RICH inside ALICE apparatus
599
600 AliMatrix(idrotm[1000], 90., 0., 70.69, 90., 19.31, -90.);
601 AliMatrix(idrotm[1001], 90., -20., 90., 70., 0., 0.);
602 AliMatrix(idrotm[1002], 90., 0., 90., 90., 0., 0.);
603 AliMatrix(idrotm[1003], 90., 20., 90., 110., 0., 0.);
604 AliMatrix(idrotm[1004], 90., 340., 108.2, 70., 18.2, 70.);
605 AliMatrix(idrotm[1005], 90., 0., 109.31, 90., 19.31, 90.);
606 AliMatrix(idrotm[1006], 90., 20., 108.2, 110., 18.2, 110.);
607
608 gMC->Gspos("RICH", 1, "ALIC", 0., 471.9, 165.26, idrotm[1000], "ONLY");
609 gMC->Gspos("RICH", 2, "ALIC", 171., 470., 0., idrotm[1001], "ONLY");
610 gMC->Gspos("RICH", 3, "ALIC", 0., 500., 0., idrotm[1002], "ONLY");
611 gMC->Gspos("RICH", 4, "ALIC", -171., 470., 0., idrotm[1003], "ONLY");
612 gMC->Gspos("RICH", 5, "ALIC", 161.4, 443.4, -165.3, idrotm[1004], "ONLY");
613 gMC->Gspos("RICH", 6, "ALIC", 0., 471.9, -165.3, idrotm[1005], "ONLY");
614 gMC->Gspos("RICH", 7, "ALIC", -161.4, 443.4, -165.3, idrotm[1006], "ONLY");
615
616}
617
618
619//___________________________________________
620void AliRICH::CreateMaterials()
621{
622 //
623 // *** DEFINITION OF AVAILABLE RICH MATERIALS ***
624 // ORIGIN : NICK VAN EIJNDHOVEN
625 // Modified by: N. Colonna (INFN - BARI, Nicola.Colonna@ba.infn.it)
626 // R.A. Fini (INFN - BARI, Rosanna.Fini@ba.infn.it)
627 // R.A. Loconsole (Bari University, loco@riscom.ba.infn.it)
628 //
629 Int_t isxfld = gAlice->Field()->Integ();
630 Float_t sxmgmx = gAlice->Field()->Max();
631 Int_t i;
632
633 /************************************Antonnelo's Values (14-vectors)*****************************************/
634 /*
635 Float_t ppckov[14] = { 5.63e-9,5.77e-9,5.9e-9,6.05e-9,6.2e-9,6.36e-9,6.52e-9,
636 6.7e-9,6.88e-9,7.08e-9,7.3e-9,7.51e-9,7.74e-9,8e-9 };
637 Float_t rIndexQuarz[14] = { 1.528309,1.533333,
638 1.538243,1.544223,1.550568,1.55777,
639 1.565463,1.574765,1.584831,1.597027,
640 1.611858,1.6277,1.6472,1.6724 };
641 Float_t rIndexOpaqueQuarz[14] = { 1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1. };
642 Float_t rIndexMethane[14] = { 1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1. };
643 Float_t rIndexGrid[14] = { 1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1. };
644 Float_t abscoFreon[14] = { 179.0987,179.0987,
645 179.0987,179.0987,179.0987,142.92,56.65,13.95,10.43,7.07,2.03,.5773,.33496,0. };
646 //Float_t abscoFreon[14] = { 1e-5,1e-5,1e-5,1e-5,1e-5,1e-5,1e-5,1e-5,1e-5,
647 // 1e-5,1e-5,1e-5,1e-5,1e-5 };
648 Float_t abscoQuarz[14] = { 64.035,39.98,35.665,31.262,27.527,22.815,21.04,17.52,
649 14.177,9.282,4.0925,1.149,.3627,.10857 };
650 Float_t abscoOpaqueQuarz[14] = { 1e-5,1e-5,1e-5,1e-5,1e-5,1e-5,1e-5,1e-5,1e-5,
651 1e-5,1e-5,1e-5,1e-5,1e-5 };
652 Float_t abscoCsI[14] = { 1e-4,1e-4,1e-4,1e-4,1e-4,1e-4,1e-4,1e-4,1e-4,1e-4,
653 1e-4,1e-4,1e-4,1e-4 };
654 Float_t abscoMethane[14] = { 1e6,1e6,1e6,1e6,1e6,1e6,1e6,1e6,1e6,1e6,1e6,
655 1e6,1e6,1e6 };
656 Float_t abscoGrid[14] = { 1e-4,1e-4,1e-4,1e-4,1e-4,1e-4,1e-4,1e-4,1e-4,1e-4,
657 1e-4,1e-4,1e-4,1e-4 };
658 Float_t efficAll[14] = { 1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1. };
659 Float_t efficCsI[14] = { 6e-4,.005,.0075,.01125,.045,.117,.135,.16575,
660 .17425,.1785,.1836,.1904,.1938,.221 };
661 Float_t efficGrid[14] = { 1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1. };
662 */
663
664
665 /**********************************End of Antonnelo's Values**********************************/
666
667 /**********************************Values from rich_media.f (31-vectors)**********************************/
668
669
670 //Photons energy intervals
671 Float_t ppckov[26];
672 for (i=0;i<26;i++)
673 {
674 ppckov[i] = (Float_t(i)*0.1+5.5)*1e-9;
675 //printf ("Energy intervals: %e\n",ppckov[i]);
676 }
677
678
679 //Refraction index for quarz
680 Float_t rIndexQuarz[26];
681 Float_t e1= 10.666;
682 Float_t e2= 18.125;
683 Float_t f1= 46.411;
684 Float_t f2= 228.71;
685 for (i=0;i<26;i++)
686 {
687 Float_t ene=ppckov[i]*1e9;
688 Float_t a=f1/(e1*e1 - ene*ene);
689 Float_t b=f2/(e2*e2 - ene*ene);
690 rIndexQuarz[i] = TMath::Sqrt(1. + a + b );
691 //printf ("rIndexQuarz: %e\n",rIndexQuarz[i]);
692 }
693
694 //Refraction index for opaque quarz, methane and grid
695 Float_t rIndexOpaqueQuarz[26];
696 Float_t rIndexMethane[26];
697 Float_t rIndexGrid[26];
698 for (i=0;i<26;i++)
699 {
700 rIndexOpaqueQuarz[i]=1;
701 rIndexMethane[i]=1.000444;
702 rIndexGrid[i]=1;
703 //printf ("rIndexOpaqueQuarz , etc: %e, %e, %e\n",rIndexOpaqueQuarz[i], rIndexMethane[i], rIndexGrid[i]=1);
704 }
705
706 //Absorption index for freon
707 Float_t abscoFreon[26] = {179.0987, 179.0987, 179.0987, 179.0987, 179.0987, 179.0987, 179.0987, 179.0987,
708 179.0987, 142.9206, 56.64957, 25.58622, 13.95293, 12.03905, 10.42953, 8.804196,
709 7.069031, 4.461292, 2.028366, 1.293013, .577267, .40746, .334964, 0., 0., 0.};
710
711 //Absorption index for quarz
712 /*Float_t Qzt [21] = {.0,.0,.005,.04,.35,.647,.769,.808,.829,.844,.853,.858,.869,.887,.903,.902,.902,
713 .906,.907,.907,.907};
714 Float_t Wavl2[] = {150.,155.,160.0,165.0,170.0,175.0,180.0,185.0,190.0,195.0,200.0,205.0,210.0,
715 215.0,220.0,225.0,230.0,235.0,240.0,245.0,250.0};
716 Float_t abscoQuarz[31];
717 for (Int_t i=0;i<31;i++)
718 {
719 Float_t Xlam = 1237.79 / (ppckov[i]*1e9);
720 if (Xlam <= 160) abscoQuarz[i] = 0;
721 if (Xlam > 250) abscoQuarz[i] = 1;
722 else
723 {
724 for (Int_t j=0;j<21;j++)
725 {
726 //printf ("Passed\n");
727 if (Xlam > Wavl2[j] && Xlam < Wavl2[j+1])
728 {
729 Float_t Dabs = (Qzt[j+1] - Qzt[j])/(Wavl2[j+1] - Wavl2[j]);
730 Float_t Abso = Qzt[j] + Dabs*(Xlam - Wavl2[j]);
731 abscoQuarz[i] = -5.0/(TMath::Log(Abso));
732 }
733 }
734 }
735 printf ("abscoQuarz: %e abscoFreon: %e for energy: %e\n",abscoQuarz[i],abscoFreon[i],ppckov[i]);
736 }*/
737
738 /*Float_t abscoQuarz[31] = {49.64211, 48.41296, 47.46989, 46.50492, 45.13682, 44.47883, 43.1929 , 41.30922, 40.5943 ,
739 39.82956, 38.98623, 38.6247 , 38.43448, 37.41084, 36.22575, 33.74852, 30.73901, 24.25086,
740 17.94531, 11.88753, 5.99128, 3.83503, 2.36661, 1.53155, 1.30582, 1.08574, .8779708,
741 .675275, 0., 0., 0.};
742
743 for (Int_t i=0;i<31;i++)
744 {
745 abscoQuarz[i] = abscoQuarz[i]/10;
746 }*/
747
748 Float_t abscoQuarz [26] = {105.8, 65.52, 48.58, 42.85, 35.79, 31.262, 28.598, 27.527, 25.007, 22.815, 21.004,
749 19.266, 17.525, 15.878, 14.177, 11.719, 9.282, 6.62, 4.0925, 2.601, 1.149, .667, .3627,
750 .192, .1497, .10857};
751
752 //Absorption index for methane
753 Float_t abscoMethane[26];
754 for (i=0;i<26;i++)
755 {
756 abscoMethane[i]=AbsoCH4(ppckov[i]*1e9);
757 //printf("abscoMethane: %e for energy: %e\n", abscoMethane[i],ppckov[i]*1e9);
758 }
759
760 //Absorption index for opaque quarz, csi and grid, efficiency for all and grid
761 Float_t abscoOpaqueQuarz[26];
762 Float_t abscoCsI[26];
763 Float_t abscoGrid[26];
764 Float_t efficAll[26];
765 Float_t efficGrid[26];
766 for (i=0;i<26;i++)
767 {
768 abscoOpaqueQuarz[i]=1e-5;
769 abscoCsI[i]=1e-4;
770 abscoGrid[i]=1e-4;
771 efficAll[i]=1;
772 efficGrid[i]=1;
773 //printf ("All must be 1: %e, %e, %e, %e, %e\n",abscoOpaqueQuarz[i],abscoCsI[i],abscoGrid[i],efficAll[i],efficGrid[i]);
774 }
775
776 //Efficiency for csi
777
778 Float_t efficCsI[26] = {0.000199999995, 0.000600000028, 0.000699999975, 0.00499999989, 0.00749999983, 0.010125,
779 0.0242999997, 0.0405000001, 0.0688500032, 0.105299994, 0.121500008, 0.141749993, 0.157949999,
780 0.162, 0.166050002, 0.167669997, 0.174299985, 0.176789999, 0.179279998, 0.182599992, 0.18592,
781 0.187579989, 0.189239994, 0.190899998, 0.207499996, 0.215799987};
782
783
784
785 //FRESNEL LOSS CORRECTION FOR PERPENDICULAR INCIDENCE AND
786 //UNPOLARIZED PHOTONS
787
788 for (i=0;i<26;i++)
789 {
790 efficCsI[i] = efficCsI[i]/(1.-Fresnel(ppckov[i]*1e9,1.,0));
791 //printf ("Fresnel result: %e for energy: %e\n",Fresnel(ppckov[i]*1e9,1.,0),ppckov[i]*1e9);
792 }
793
794 /*******************************************End of rich_media.f***************************************/
795
796
797
798
799
800
801 Float_t afre[2], agri, amet[2], aqua[2], ahon, zfre[2], zgri, zhon,
802 zmet[2], zqua[2];
803 Int_t nlmatfre;
804 Float_t densquao;
805 Int_t nlmatmet, nlmatqua;
806 Float_t wmatquao[2], rIndexFreon[26];
807 Float_t aquao[2], epsil, stmin, zquao[2];
808 Int_t nlmatquao;
809 Float_t radlal, densal, tmaxfd, deemax, stemax;
810 Float_t aal, zal, radlgri, densfre, radlhon, densgri, denshon,densqua, densmet, wmatfre[2], wmatmet[2], wmatqua[2];
811
812 Int_t *idtmed = fIdtmed->GetArray()-999;
813
814 TGeant3 *geant3 = (TGeant3*) gMC;
815
816 // --- Photon energy (GeV)
817 // --- Refraction indexes
818 for (i = 0; i < 26; ++i) {
819 rIndexFreon[i] = ppckov[i] * .0172 * 1e9 + 1.177;
820 //rIndexFreon[i] = 1;
821 //printf ("rIndexFreon: %e \n efficCsI: %e for energy: %e\n",rIndexFreon[i], efficCsI[i], ppckov[i]);
822 }
823
824 // --- Detection efficiencies (quantum efficiency for CsI)
825 // --- Define parameters for honeycomb.
826 // Used carbon of equivalent rad. lenght
827
828 ahon = 12.01;
829 zhon = 6.;
9dda3582 830 denshon = 0.1;
452a64c6 831 radlhon = 18.8;
832
833 // --- Parameters to include in GSMIXT, relative to Quarz (SiO2)
834
835 aqua[0] = 28.09;
836 aqua[1] = 16.;
837 zqua[0] = 14.;
838 zqua[1] = 8.;
839 densqua = 2.64;
840 nlmatqua = -2;
841 wmatqua[0] = 1.;
842 wmatqua[1] = 2.;
843
844 // --- Parameters to include in GSMIXT, relative to opaque Quarz (SiO2)
845
846 aquao[0] = 28.09;
847 aquao[1] = 16.;
848 zquao[0] = 14.;
849 zquao[1] = 8.;
850 densquao = 2.64;
851 nlmatquao = -2;
852 wmatquao[0] = 1.;
853 wmatquao[1] = 2.;
854
855 // --- Parameters to include in GSMIXT, relative to Freon (C6F14)
856
857 afre[0] = 12.;
858 afre[1] = 19.;
859 zfre[0] = 6.;
860 zfre[1] = 9.;
861 densfre = 1.7;
862 nlmatfre = -2;
863 wmatfre[0] = 6.;
864 wmatfre[1] = 14.;
865
866 // --- Parameters to include in GSMIXT, relative to methane (CH4)
867
868 amet[0] = 12.01;
869 amet[1] = 1.;
870 zmet[0] = 6.;
871 zmet[1] = 1.;
872 densmet = 7.17e-4;
873 nlmatmet = -2;
874 wmatmet[0] = 1.;
875 wmatmet[1] = 4.;
876
877 // --- Parameters to include in GSMIXT, relative to anode grid (Cu)
878
879 agri = 63.54;
880 zgri = 29.;
881 densgri = 8.96;
882 radlgri = 1.43;
883
884 // --- Parameters to include in GSMATE related to aluminium sheet
885
886 aal = 26.98;
887 zal = 13.;
888 densal = 2.7;
889 radlal = 8.9;
890
891 AliMaterial(1, "Air $", 14.61, 7.3, .001205, 30420., 67500);
892 AliMaterial(6, "HON", ahon, zhon, denshon, radlhon, 0);
893 AliMaterial(16, "CSI", ahon, zhon, denshon, radlhon, 0);
894 AliMixture(20, "QUA", aqua, zqua, densqua, nlmatqua, wmatqua);
895 AliMixture(21, "QUAO", aquao, zquao, densquao, nlmatquao, wmatquao);
896 AliMixture(30, "FRE", afre, zfre, densfre, nlmatfre, wmatfre);
897 AliMixture(40, "MET", amet, zmet, densmet, nlmatmet, wmatmet);
898 AliMixture(41, "METG", amet, zmet, densmet, nlmatmet, wmatmet);
899 AliMaterial(11, "GRI", agri, zgri, densgri, radlgri, 0);
900 AliMaterial(50, "ALUM", aal, zal, densal, radlal, 0);
901
902 tmaxfd = -10.;
903 stemax = -.1;
904 deemax = -.2;
905 epsil = .001;
906 stmin = -.001;
907
908 AliMedium(1, "DEFAULT MEDIUM AIR$", 1, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
909 AliMedium(2, "HONEYCOMB$", 6, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
910 AliMedium(3, "QUARZO$", 20, 1, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
911 AliMedium(4, "FREON$", 30, 1, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
912 AliMedium(5, "METANO$", 40, 1, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
913 AliMedium(6, "CSI$", 16, 1, isxfld, sxmgmx,tmaxfd, stemax, deemax, epsil, stmin);
914 AliMedium(7, "GRIGLIA$", 11, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
915 AliMedium(8, "QUARZOO$", 21, 1, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
916 AliMedium(9, "GAP$", 41, 1, isxfld, sxmgmx,tmaxfd, .1, -deemax, epsil, -stmin);
917 AliMedium(10, "ALUMINUM$", 50, 1, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
918
919
920 geant3->Gsckov(idtmed[1000], 26, ppckov, abscoMethane, efficAll, rIndexMethane);
921 geant3->Gsckov(idtmed[1001], 26, ppckov, abscoMethane, efficAll, rIndexMethane);
922 geant3->Gsckov(idtmed[1002], 26, ppckov, abscoQuarz, efficAll,rIndexQuarz);
923 geant3->Gsckov(idtmed[1003], 26, ppckov, abscoFreon, efficAll,rIndexFreon);
924 geant3->Gsckov(idtmed[1004], 26, ppckov, abscoMethane, efficAll, rIndexMethane);
925 geant3->Gsckov(idtmed[1005], 26, ppckov, abscoCsI, efficCsI, rIndexMethane);
926 geant3->Gsckov(idtmed[1006], 26, ppckov, abscoGrid, efficGrid, rIndexGrid);
927 geant3->Gsckov(idtmed[1007], 26, ppckov, abscoOpaqueQuarz, efficAll, rIndexOpaqueQuarz);
928 geant3->Gsckov(idtmed[1008], 26, ppckov, abscoMethane, efficAll, rIndexMethane);
929 geant3->Gsckov(idtmed[1009], 26, ppckov, abscoGrid, efficGrid, rIndexGrid);
930}
931
932//___________________________________________
933
934Float_t AliRICH::Fresnel(Float_t ene,Float_t pdoti, Bool_t pola)
935{
936
937 //ENE(EV), PDOTI=COS(INC.ANG.), PDOTR=COS(POL.PLANE ROT.ANG.)
938
939 Float_t en[36] = {5.0,5.1,5.2,5.3,5.4,5.5,5.6,5.7,5.8,5.9,6.0,6.1,6.2,
940 6.3,6.4,6.5,6.6,6.7,6.8,6.9,7.0,7.1,7.2,7.3,7.4,7.5,7.6,7.7,
941 7.8,7.9,8.0,8.1,8.2,8.3,8.4,8.5};
942
943
944 Float_t csin[36] = {2.14,2.21,2.33,2.48,2.76,2.97,2.99,2.59,2.81,3.05,
945 2.86,2.53,2.55,2.66,2.79,2.96,3.18,3.05,2.84,2.81,2.38,2.11,
946 2.01,2.13,2.39,2.73,3.08,3.15,2.95,2.73,2.56,2.41,2.12,1.95,
947 1.72,1.53};
948
949 Float_t csik[36] = {0.,0.,0.,0.,0.,0.196,0.408,0.208,0.118,0.49,0.784,0.543,
950 0.424,0.404,0.371,0.514,0.922,1.102,1.139,1.376,1.461,1.253,0.878,
951 0.69,0.612,0.649,0.824,1.347,1.571,1.678,1.763,1.857,1.824,1.824,
952 1.714,1.498};
953 Float_t xe=ene;
954 Int_t j=Int_t(xe*10)-49;
955 Float_t cn=csin[j]+((csin[j+1]-csin[j])/0.1)*(xe-en[j]);
956 Float_t ck=csik[j]+((csik[j+1]-csik[j])/0.1)*(xe-en[j]);
957
958 //FORMULAE FROM HANDBOOK OF OPTICS, 33.23 OR
959 //W.R. HUNTER, J.O.S.A. 54 (1964),15 , J.O.S.A. 55(1965),1197
960
961 Float_t sinin=TMath::Sqrt(1-pdoti*pdoti);
962 Float_t tanin=sinin/pdoti;
963
964 Float_t c1=cn*cn-ck*ck-sinin*sinin;
965 Float_t c2=4*cn*cn*ck*ck;
966 Float_t aO=TMath::Sqrt(0.5*(TMath::Sqrt(c1*c1+c2)+c1));
967 Float_t b2=0.5*(TMath::Sqrt(c1*c1+c2)-c1);
968
969 Float_t rs=((aO-pdoti)*(aO-pdoti)+b2)/((aO+pdoti)*(aO+pdoti)+b2);
970 Float_t rp=rs*((aO-sinin*tanin)*(aO-sinin*tanin)+b2)/((aO+sinin*tanin)*(aO+sinin*tanin)+b2);
971
972
973 //CORRECTION FACTOR FOR SURFACE ROUGHNESS
974 //B.J. STAGG APPLIED OPTICS, 30(1991),4113
975
976 Float_t sigraf=18.;
977 Float_t lamb=1240/ene;
978 Float_t fresn;
979
980 Float_t rO=TMath::Exp(-(4*TMath::Pi()*pdoti*sigraf/lamb)*(4*TMath::Pi()*pdoti*sigraf/lamb));
981
982 if(pola)
983 {
984 Float_t pdotr=0.8; //DEGREE OF POLARIZATION : 1->P , -1->S
985 fresn=0.5*(rp*(1+pdotr)+rs*(1-pdotr));
986 }
987 else
988 fresn=0.5*(rp+rs);
989
990 fresn = fresn*rO;
991 return(fresn);
992}
993
994//__________________________________________
995Float_t AliRICH::AbsoCH4(Float_t x)
996{
997
998 //KLOSCH,SCH4(9),WL(9),EM(9),ALENGTH(31)
999 Float_t sch4[9] = {.12,.16,.23,.38,.86,2.8,7.9,28.,80.}; //MB X 10^22
1000 //Float_t wl[9] = {153.,152.,151.,150.,149.,148.,147.,146.,145};
1001 Float_t em[9] = {8.1,8.158,8.212,8.267,8.322,8.378,8.435,8.493,8.55};
1002 const Float_t kLosch=2.686763E19; // LOSCHMIDT NUMBER IN CM-3
1003 const Float_t kIgas1=100, kIgas2=0, kOxy=10., kWater=5., kPressure=750.,kTemperature=283.;
1004 Float_t pn=kPressure/760.;
1005 Float_t tn=kTemperature/273.16;
1006
1007
1008// ------- METHANE CROSS SECTION -----------------
1009// ASTROPH. J. 214, L47 (1978)
1010
1011 Float_t sm=0;
1012 if (x<7.75)
1013 sm=.06e-22;
1014
1015 if(x>=7.75 && x<=8.1)
1016 {
1017 Float_t c0=-1.655279e-1;
1018 Float_t c1=6.307392e-2;
1019 Float_t c2=-8.011441e-3;
1020 Float_t c3=3.392126e-4;
1021 sm=(c0+c1*x+c2*x*x+c3*x*x*x)*1.e-18;
1022 }
1023
1024 if (x> 8.1)
1025 {
1026 Int_t j=0;
1027 while (x<=em[j] && x>=em[j+1])
1028 {
1029 j++;
1030 Float_t a=(sch4[j+1]-sch4[j])/(em[j+1]-em[j]);
1031 sm=(sch4[j]+a*(x-em[j]))*1e-22;
1032 }
1033 }
1034
1035 Float_t dm=(kIgas1/100.)*(1.-((kOxy+kWater)/1.e6))*kLosch*pn/tn;
1036 Float_t abslm=1./sm/dm;
1037
1038// ------- ISOBUTHANE CROSS SECTION --------------
1039// i-C4H10 (ai) abs. length from curves in
1040// Lu-McDonald paper for BARI RICH workshop .
1041// -----------------------------------------------------------
1042
1043 Float_t ai;
1044 Float_t absli;
1045 if (kIgas2 != 0)
1046 {
1047 if (x<7.25)
1048 ai=100000000.;
1049
1050 if(x>=7.25 && x<7.375)
1051 ai=24.3;
1052
1053 if(x>=7.375)
1054 ai=.0000000001;
1055
1056 Float_t si = 1./(ai*kLosch*273.16/293.); // ISOB. CRO.SEC.IN CM2
1057 Float_t di=(kIgas2/100.)*(1.-((kOxy+kWater)/1.e6))*kLosch*pn/tn;
1058 absli =1./si/di;
1059 }
1060 else
1061 absli=1.e18;
1062// ---------------------------------------------------------
1063//
1064// transmission of O2
1065//
1066// y= path in cm, x=energy in eV
1067// so= cross section for UV absorption in cm2
1068// do= O2 molecular density in cm-3
1069// ---------------------------------------------------------
1070
1071 Float_t abslo;
1072 Float_t so=0;
1073 if(x>=6.0)
1074 {
1075 if(x>=6.0 && x<6.5)
1076 {
1077 so=3.392709e-13 * TMath::Exp(2.864104 *x);
1078 so=so*1e-18;
1079 }
1080
1081 if(x>=6.5 && x<7.0)
1082 {
1083 so=2.910039e-34 * TMath::Exp(10.3337*x);
1084 so=so*1e-18;
1085 }
1086
1087
1088 if (x>=7.0)
1089 {
1090 Float_t a0=-73770.76;
1091 Float_t a1=46190.69;
1092 Float_t a2=-11475.44;
1093 Float_t a3=1412.611;
1094 Float_t a4=-86.07027;
1095 Float_t a5=2.074234;
1096 so= a0+(a1*x)+(a2*x*x)+(a3*x*x*x)+(a4*x*x*x*x)+(a5*x*x*x*x*x);
1097 so=so*1e-18;
1098 }
1099
1100 Float_t dox=(kOxy/1e6)*kLosch*pn/tn;
1101 abslo=1./so/dox;
1102 }
1103 else
1104 abslo=1.e18;
1105// ---------------------------------------------------------
1106//
1107// transmission of H2O
1108//
1109// y= path in cm, x=energy in eV
1110// sw= cross section for UV absorption in cm2
1111// dw= H2O molecular density in cm-3
1112// ---------------------------------------------------------
1113
1114 Float_t abslw;
1115
1116 Float_t b0=29231.65;
1117 Float_t b1=-15807.74;
1118 Float_t b2=3192.926;
1119 Float_t b3=-285.4809;
1120 Float_t b4=9.533944;
1121
1122 if(x>6.75)
1123 {
1124 Float_t sw= b0+(b1*x)+(b2*x*x)+(b3*x*x*x)+(b4*x*x*x*x);
1125 sw=sw*1e-18;
1126 Float_t dw=(kWater/1e6)*kLosch*pn/tn;
1127 abslw=1./sw/dw;
1128 }
1129 else
1130 abslw=1.e18;
1131
1132// ---------------------------------------------------------
1133
1134 Float_t alength=1./(1./abslm+1./absli+1./abslo+1./abslw);
1135 return (alength);
1136}
1137
1138
1139
ddae0931 1140//___________________________________________
1141Int_t AliRICH::DistancetoPrimitive(Int_t , Int_t )
1142{
237c933d 1143
1144// Default value
1145
ddae0931 1146 return 9999;
1147}
fe4da5cc 1148
ddae0931 1149//___________________________________________
1150void AliRICH::MakeBranch(Option_t* option)
fe4da5cc 1151{
237c933d 1152 // Create Tree branches for the RICH.
fe4da5cc 1153
237c933d 1154 const Int_t kBufferSize = 4000;
ddae0931 1155 char branchname[20];
fe4da5cc 1156
ddae0931 1157
1158 AliDetector::MakeBranch(option);
1159 sprintf(branchname,"%sCerenkov",GetName());
1160 if (fCerenkovs && gAlice->TreeH()) {
237c933d 1161 gAlice->TreeH()->Branch(branchname,&fCerenkovs, kBufferSize);
ddae0931 1162 printf("Making Branch %s for Cerenkov Hits\n",branchname);
fe4da5cc 1163 }
ddae0931 1164
2e5f0f7b 1165 sprintf(branchname,"%sPadHits",GetName());
1166 if (fPadHits && gAlice->TreeH()) {
237c933d 1167 gAlice->TreeH()->Branch(branchname,&fPadHits, kBufferSize);
2e5f0f7b 1168 printf("Making Branch %s for PadHits\n",branchname);
fe4da5cc 1169 }
1170
ddae0931 1171// one branch for digits per chamber
1172 Int_t i;
1173
237c933d 1174 for (i=0; i<kNCH ;i++) {
ddae0931 1175 sprintf(branchname,"%sDigits%d",GetName(),i+1);
1176
1177 if (fDchambers && gAlice->TreeD()) {
237c933d 1178 gAlice->TreeD()->Branch(branchname,&((*fDchambers)[i]), kBufferSize);
ddae0931 1179 printf("Making Branch %s for digits in chamber %d\n",branchname,i+1);
1180 }
fe4da5cc 1181 }
2e5f0f7b 1182
1183// one branch for raw clusters per chamber
237c933d 1184 for (i=0; i<kNCH ;i++) {
2e5f0f7b 1185 sprintf(branchname,"%sRawClusters%d",GetName(),i+1);
1186
1187 if (fRawClusters && gAlice->TreeR()) {
237c933d 1188 gAlice->TreeR()->Branch(branchname,&((*fRawClusters)[i]), kBufferSize);
2e5f0f7b 1189 printf("Making Branch %s for raw clusters in chamber %d\n",branchname,i+1);
1190 }
1191 }
1192
1193 // one branch for rec hits per chamber
237c933d 1194 for (i=0; i<kNCH ;i++) {
2e5f0f7b 1195 sprintf(branchname,"%sRecHits%d",GetName(),i+1);
1196
1197 if (fRecHits && gAlice->TreeR()) {
237c933d 1198 gAlice->TreeR()->Branch(branchname,&((*fRecHits)[i]), kBufferSize);
2e5f0f7b 1199 printf("Making Branch %s for rec. hits in chamber %d\n",branchname,i+1);
1200 }
1201 }
fe4da5cc 1202}
1203
ddae0931 1204//___________________________________________
1205void AliRICH::SetTreeAddress()
fe4da5cc 1206{
237c933d 1207 // Set branch address for the Hits and Digits Tree.
2e5f0f7b 1208 char branchname[20];
1209 Int_t i;
1210
ddae0931 1211 AliDetector::SetTreeAddress();
1212
1213 TBranch *branch;
1214 TTree *treeH = gAlice->TreeH();
1215 TTree *treeD = gAlice->TreeD();
2e5f0f7b 1216 TTree *treeR = gAlice->TreeR();
ddae0931 1217
1218 if (treeH) {
2e5f0f7b 1219 if (fPadHits) {
1220 branch = treeH->GetBranch("RICHPadHits");
1221 if (branch) branch->SetAddress(&fPadHits);
fe4da5cc 1222 }
ddae0931 1223 if (fCerenkovs) {
1224 branch = treeH->GetBranch("RICHCerenkov");
1225 if (branch) branch->SetAddress(&fCerenkovs);
fe4da5cc 1226 }
ddae0931 1227 }
1228
1229 if (treeD) {
237c933d 1230 for (int i=0; i<kNCH; i++) {
ddae0931 1231 sprintf(branchname,"%sDigits%d",GetName(),i+1);
1232 if (fDchambers) {
1233 branch = treeD->GetBranch(branchname);
1234 if (branch) branch->SetAddress(&((*fDchambers)[i]));
1235 }
fe4da5cc 1236 }
fe4da5cc 1237 }
2e5f0f7b 1238 if (treeR) {
237c933d 1239 for (i=0; i<kNCH; i++) {
2e5f0f7b 1240 sprintf(branchname,"%sRawClusters%d",GetName(),i+1);
1241 if (fRawClusters) {
1242 branch = treeR->GetBranch(branchname);
1243 if (branch) branch->SetAddress(&((*fRawClusters)[i]));
1244 }
1245 }
1246
237c933d 1247 for (i=0; i<kNCH; i++) {
2e5f0f7b 1248 sprintf(branchname,"%sRecHits%d",GetName(),i+1);
1249 if (fRecHits) {
1250 branch = treeR->GetBranch(branchname);
1251 if (branch) branch->SetAddress(&((*fRecHits)[i]));
1252 }
1253 }
1254
1255 }
ddae0931 1256}
1257//___________________________________________
1258void AliRICH::ResetHits()
1259{
237c933d 1260 // Reset number of clusters and the cluster array for this detector
ddae0931 1261 AliDetector::ResetHits();
2e5f0f7b 1262 fNPadHits = 0;
1263 fNcerenkovs = 0;
1264 if (fPadHits) fPadHits->Clear();
ddae0931 1265 if (fCerenkovs) fCerenkovs->Clear();
fe4da5cc 1266}
1267
2e5f0f7b 1268
ddae0931 1269//____________________________________________
1270void AliRICH::ResetDigits()
1271{
237c933d 1272 //
1273 // Reset number of digits and the digits array for this detector
1274 //
1275 for ( int i=0;i<kNCH;i++ ) {
ddae0931 1276 if ((*fDchambers)[i]) (*fDchambers)[i]->Clear();
1277 if (fNdch) fNdch[i]=0;
1278 }
1279}
2e5f0f7b 1280
ddae0931 1281//____________________________________________
2e5f0f7b 1282void AliRICH::ResetRawClusters()
fe4da5cc 1283{
237c933d 1284 //
1285 // Reset number of raw clusters and the raw clust array for this detector
1286 //
1287 for ( int i=0;i<kNCH;i++ ) {
2e5f0f7b 1288 if ((*fRawClusters)[i]) ((TClonesArray*)(*fRawClusters)[i])->Clear();
1289 if (fNrawch) fNrawch[i]=0;
fe4da5cc 1290 }
ddae0931 1291}
fe4da5cc 1292
2e5f0f7b 1293//____________________________________________
1294void AliRICH::ResetRecHits()
fe4da5cc 1295{
237c933d 1296 //
1297 // Reset number of raw clusters and the raw clust array for this detector
1298 //
2e5f0f7b 1299
237c933d 1300 for ( int i=0;i<kNCH;i++ ) {
2e5f0f7b 1301 if ((*fRecHits)[i]) ((TClonesArray*)(*fRecHits)[i])->Clear();
1302 if (fNrechits) fNrechits[i]=0;
1303 }
fe4da5cc 1304}
1305
ddae0931 1306//___________________________________________
2e5f0f7b 1307void AliRICH::SetGeometryModel(Int_t id, AliRICHGeometry *geometry)
fe4da5cc 1308{
237c933d 1309
1310//
1311// Setter for the RICH geometry model
1312//
1313
1314
2e5f0f7b 1315 ((AliRICHChamber*) (*fChambers)[id])->GeometryModel(geometry);
fe4da5cc 1316}
1317
ddae0931 1318//___________________________________________
a2f7eaf6 1319void AliRICH::SetSegmentationModel(Int_t id, AliSegmentation *segmentation)
ddae0931 1320{
237c933d 1321
1322//
1323// Setter for the RICH segmentation model
1324//
1325
a2f7eaf6 1326 ((AliRICHChamber*) (*fChambers)[id])->SetSegmentationModel(segmentation);
ddae0931 1327}
fe4da5cc 1328
ddae0931 1329//___________________________________________
2e5f0f7b 1330void AliRICH::SetResponseModel(Int_t id, AliRICHResponse *response)
fe4da5cc 1331{
237c933d 1332
1333//
1334// Setter for the RICH response model
1335//
1336
2e5f0f7b 1337 ((AliRICHChamber*) (*fChambers)[id])->ResponseModel(response);
fe4da5cc 1338}
1339
2e5f0f7b 1340void AliRICH::SetReconstructionModel(Int_t id, AliRICHClusterFinder *reconst)
ddae0931 1341{
237c933d 1342
1343//
1344// Setter for the RICH reconstruction model (clusters)
1345//
1346
a2f7eaf6 1347 ((AliRICHChamber*) (*fChambers)[id])->SetReconstructionModel(reconst);
fe4da5cc 1348}
1349
ddae0931 1350void AliRICH::SetNsec(Int_t id, Int_t nsec)
1351{
237c933d 1352
1353//
1354// Sets the number of padplanes
1355//
1356
2e5f0f7b 1357 ((AliRICHChamber*) (*fChambers)[id])->SetNsec(nsec);
ddae0931 1358}
1359
1360
1361//___________________________________________
ddae0931 1362void AliRICH::StepManager()
fe4da5cc 1363{
237c933d 1364
452a64c6 1365// Full Step Manager
1366
1367 Int_t copy, id;
1368 static Int_t idvol;
1369 static Int_t vol[2];
1370 Int_t ipart;
1371 static Float_t hits[18];
1372 static Float_t ckovData[19];
1373 TLorentzVector position;
1374 TLorentzVector momentum;
1375 Float_t pos[3];
1376 Float_t mom[4];
1377 Float_t localPos[3];
1378 Float_t localMom[4];
1379 Float_t localTheta,localPhi;
1380 Float_t theta,phi;
1381 Float_t destep, step;
1382 Float_t ranf[2];
1383 Int_t nPads;
1384 Float_t coscerenkov;
1385 static Float_t eloss, xhit, yhit, tlength;
1386 const Float_t kBig=1.e10;
1387
1388 TClonesArray &lhits = *fHits;
1389 TGeant3 *geant3 = (TGeant3*) gMC;
1390 TParticle *current = (TParticle*)(*gAlice->Particles())[gAlice->CurrentTrack()];
237c933d 1391
452a64c6 1392 //if (current->Energy()>1)
1393 //{
1394
1395 // Only gas gap inside chamber
1396 // Tag chambers and record hits when track enters
1397
1398 idvol=-1;
1399 id=gMC->CurrentVolID(copy);
1400 Float_t cherenkovLoss=0;
1401 //gAlice->KeepTrack(gAlice->CurrentTrack());
1402
1403 gMC->TrackPosition(position);
1404 pos[0]=position(0);
1405 pos[1]=position(1);
1406 pos[2]=position(2);
e813258a 1407 bzero((char *)ckovData,sizeof(ckovData)*19);
452a64c6 1408 ckovData[1] = pos[0]; // X-position for hit
1409 ckovData[2] = pos[1]; // Y-position for hit
1410 ckovData[3] = pos[2]; // Z-position for hit
1411 //ckovData[11] = gAlice->CurrentTrack();
1412
1413 //AliRICH *RICH = (AliRICH *) gAlice->GetDetector("RICH");
1414
1415 /********************Store production parameters for Cerenkov photons************************/
1416//is it a Cerenkov photon?
1417 if (gMC->TrackPid() == 50000050) {
1418
1419 //if (gMC->VolId("GAP ")==gMC->CurrentVolID(copy))
1420 //{
1421 Float_t ckovEnergy = current->Energy();
1422 //energy interval for tracking
1423 if (ckovEnergy > 5.6e-09 && ckovEnergy < 7.8e-09 )
1424 //if (ckovEnergy > 0)
1425 {
1426 if (gMC->IsTrackEntering()){ //is track entering?
1427 if (gMC->VolId("FRE1")==gMC->CurrentVolID(copy) || gMC->VolId("FRE2")==gMC->CurrentVolID(copy))
1428 { //is it in freo?
1429 if (geant3->Gctrak()->nstep<1){ //is it the first step?
1430 Int_t mother = current->GetFirstMother();
1431
1432 //printf("Second Mother:%d\n",current->GetSecondMother());
1433
1434 ckovData[10] = mother;
1435 ckovData[11] = gAlice->CurrentTrack();
1436 ckovData[12] = 1; //Media where photon was produced 1->Freon, 2->Quarz
1437 fCkovNumber++;
1438 fFreonProd=1;
1439 //printf("Index: %d\n",fCkovNumber);
1440 } //first step question
1441 } //freo question
1442
1443 if (geant3->Gctrak()->nstep<1){ //is it first step?
1444 if (gMC->VolId("QUAR")==gMC->CurrentVolID(copy)) //is it in quarz?
1445 {
1446 ckovData[12] = 2;
1447 } //quarz question
1448 } //first step question
1449
1450 //printf("Before %d\n",fFreonProd);
1451 } //track entering question
1452
1453 if (ckovData[12] == 1) //was it produced in Freon?
1454 //if (fFreonProd == 1)
1455 {
1456 if (gMC->IsTrackEntering()){ //is track entering?
1457 //printf("Got in");
1458 if (gMC->VolId("META")==gMC->CurrentVolID(copy)) //is it in gap?
1459 {
1460 //printf("Got in\n");
1461 gMC->TrackMomentum(momentum);
1462 mom[0]=momentum(0);
1463 mom[1]=momentum(1);
1464 mom[2]=momentum(2);
1465 mom[3]=momentum(3);
1466 // Z-position for hit
1467
1468
1469 /**************** Photons lost in second grid have to be calculated by hand************/
1470
1471 Float_t cophi = TMath::Cos(TMath::ATan2(mom[0], mom[1]));
1472 Float_t t = (1. - .025 / cophi) * (1. - .05 / cophi);
1473 gMC->Rndm(ranf, 1);
1474 //printf("grid calculation:%f\n",t);
1475 if (ranf[0] > t) {
1476 //geant3->StopTrack();
1477 ckovData[13] = 5;
1478 AddCerenkov(gAlice->CurrentTrack(),vol,ckovData);
1479 //printf("Lost one in grid\n");
1480 }
1481 /**********************************************************************************/
1482 } //gap
1483
1484 if (gMC->VolId("CSI ")==gMC->CurrentVolID(copy)) //is it in csi?
1485 {
1486 gMC->TrackMomentum(momentum);
1487 mom[0]=momentum(0);
1488 mom[1]=momentum(1);
1489 mom[2]=momentum(2);
1490 mom[3]=momentum(3);
1491
1492 /********* Photons lost by Fresnel reflection have to be calculated by hand********/
1493 /***********************Cerenkov phtons (always polarised)*************************/
1494
1495 Float_t cophi = TMath::Cos(TMath::ATan2(mom[0], mom[1]));
1496 Float_t t = Fresnel(ckovEnergy*1e9,cophi,1);
1497 gMC->Rndm(ranf, 1);
1498 if (ranf[0] < t) {
1499 //geant3->StopTrack();
1500 ckovData[13] = 6;
1501 AddCerenkov(gAlice->CurrentTrack(),vol,ckovData);
1502 //printf("Lost by Fresnel\n");
1503 }
1504 /**********************************************************************************/
1505 }
1506 } //track entering?
1507
1508
1509 /********************Evaluation of losses************************/
1510 /******************still in the old fashion**********************/
1511
1512 Int_t i1 = geant3->Gctrak()->nmec; //number of physics mechanisms acting on the particle
1513 for (Int_t i = 0; i < i1; ++i) {
1514 // Reflection loss
1515 if (geant3->Gctrak()->lmec[i] == 106) { //was it reflected
1516 ckovData[13]=10;
1517 if (gMC->VolId("FRE1")==gMC->CurrentVolID(copy) || gMC->VolId("FRE2")==gMC->CurrentVolID(copy))
1518 ckovData[13]=1;
1519 if (gMC->CurrentVolID(copy) == gMC->VolId("QUAR"))
1520 ckovData[13]=2;
1521 //geant3->StopTrack();
9dda3582 1522 //AddCerenkov(gAlice->CurrentTrack(),vol,ckovData);
452a64c6 1523 } //reflection question
1524
1525
1526 // Absorption loss
1527 else if (geant3->Gctrak()->lmec[i] == 101) { //was it absorbed?
1528 ckovData[13]=20;
1529 if (gMC->VolId("FRE1")==gMC->CurrentVolID(copy) || gMC->VolId("FRE2")==gMC->CurrentVolID(copy))
1530 ckovData[13]=11;
1531 if (gMC->CurrentVolID(copy) == gMC->VolId("QUAR"))
1532 ckovData[13]=12;
1533 if (gMC->CurrentVolID(copy) == gMC->VolId("META"))
1534 ckovData[13]=13;
1535 if (gMC->CurrentVolID(copy) == gMC->VolId("GAP "))
1536 ckovData[13]=13;
1537
1538 if (gMC->CurrentVolID(copy) == gMC->VolId("SRIC"))
1539 ckovData[13]=15;
1540
1541 // CsI inefficiency
1542 if (gMC->CurrentVolID(copy) == gMC->VolId("CSI ")) {
1543 ckovData[13]=16;
1544 }
1545 //geant3->StopTrack();
1546 AddCerenkov(gAlice->CurrentTrack(),vol,ckovData);
1547 //printf("Added cerenkov %d\n",fCkovNumber);
1548 } //absorption question
1549
1550
1551 // Photon goes out of tracking scope
1552 else if (geant3->Gctrak()->lmec[i] == 30) { //is it below energy treshold?
1553 ckovData[13]=21;
1554 //geant3->StopTrack();
1555 AddCerenkov(gAlice->CurrentTrack(),vol,ckovData);
1556 } // energy treshold question
1557 } //number of mechanisms cycle
1558 /**********************End of evaluation************************/
1559 } //freon production question
1560 } //energy interval question
1561 //}//inside the proximity gap question
1562 } //cerenkov photon question
1563
1564 /**************************************End of Production Parameters Storing*********************/
1565
1566
1567 /*******************************Treat photons that hit the CsI (Ckovs and Feedbacks)************/
1568
1569 if (gMC->TrackPid() == 50000050 || gMC->TrackPid() == 50000051) {
1570 //printf("Cerenkov\n");
1571 if (gMC->VolId("CSI ")==gMC->CurrentVolID(copy))
1572 {
1573
1574 if (gMC->Edep() > 0.){
1575 gMC->TrackPosition(position);
1576 gMC->TrackMomentum(momentum);
1577 pos[0]=position(0);
1578 pos[1]=position(1);
1579 pos[2]=position(2);
1580 mom[0]=momentum(0);
1581 mom[1]=momentum(1);
1582 mom[2]=momentum(2);
1583 mom[3]=momentum(3);
1584 Double_t tc = mom[0]*mom[0]+mom[1]*mom[1];
1585 Double_t rt = TMath::Sqrt(tc);
1586 theta = Float_t(TMath::ATan2(rt,Double_t(mom[2])))*kRaddeg;
1587 phi = Float_t(TMath::ATan2(Double_t(mom[1]),Double_t(mom[0])))*kRaddeg;
1588 gMC->Gmtod(pos,localPos,1);
1589 gMC->Gmtod(mom,localMom,2);
1590
1591 gMC->CurrentVolOffID(2,copy);
1592 vol[0]=copy;
1593 idvol=vol[0]-1;
1594
1595 //Int_t sector=((AliRICHChamber*) (*fChambers)[idvol])
1596 //->Sector(localPos[0], localPos[2]);
1597 //printf("Sector:%d\n",sector);
1598
1599 /*if (gMC->TrackPid() == 50000051){
1600 fFeedbacks++;
1601 printf("Feedbacks:%d\n",fFeedbacks);
1602 }*/
1603
1604 ((AliRICHChamber*) (*fChambers)[idvol])
1605 ->SigGenInit(localPos[0], localPos[2], localPos[1]);
1606 if(idvol<kNCH) {
1607 ckovData[0] = gMC->TrackPid(); // particle type
1608 ckovData[1] = pos[0]; // X-position for hit
1609 ckovData[2] = pos[1]; // Y-position for hit
1610 ckovData[3] = pos[2]; // Z-position for hit
1611 ckovData[4] = theta; // theta angle of incidence
1612 ckovData[5] = phi; // phi angle of incidence
1613 ckovData[8] = (Float_t) fNPadHits; // first padhit
1614 ckovData[9] = -1; // last pad hit
1615 ckovData[13] = 4; // photon was detected
1616 ckovData[14] = mom[0];
1617 ckovData[15] = mom[1];
1618 ckovData[16] = mom[2];
1619
1620 destep = gMC->Edep();
1621 gMC->SetMaxStep(kBig);
1622 cherenkovLoss += destep;
1623 ckovData[7]=cherenkovLoss;
1624
1625 nPads = MakePadHits(localPos[0],localPos[2],cherenkovLoss,idvol,kCerenkov);
1626 if (fNPadHits > (Int_t)ckovData[8]) {
1627 ckovData[8]= ckovData[8]+1;
1628 ckovData[9]= (Float_t) fNPadHits;
1629 }
1630
1631 ckovData[17] = nPads;
1632 //printf("nPads:%d",nPads);
1633
1634 //TClonesArray *Hits = RICH->Hits();
1635 AliRICHHit *mipHit = (AliRICHHit*) (fHits->UncheckedAt(0));
1636 if (mipHit)
1637 {
1638 mom[0] = current->Px();
1639 mom[1] = current->Py();
1640 mom[2] = current->Pz();
1641 Float_t mipPx = mipHit->fMomX;
1642 Float_t mipPy = mipHit->fMomY;
1643 Float_t mipPz = mipHit->fMomZ;
1644
1645 Float_t r = mom[0]*mom[0] + mom[1]*mom[1] + mom[2]*mom[2];
1646 Float_t rt = TMath::Sqrt(r);
1647 Float_t mipR = mipPx*mipPx + mipPy*mipPy + mipPz*mipPz;
1648 Float_t mipRt = TMath::Sqrt(mipR);
1649 if ((rt*mipRt) > 0)
1650 {
1651 coscerenkov = (mom[0]*mipPx + mom[1]*mipPy + mom[2]*mipPz)/(rt*mipRt);
1652 }
1653 else
1654 {
1655 coscerenkov = 0;
1656 }
1657 Float_t cherenkov = TMath::ACos(coscerenkov);
1658 ckovData[18]=cherenkov;
1659 }
1660 //if (sector != -1)
1661 //{
1662 AddHit(gAlice->CurrentTrack(),vol,ckovData);
1663 AddCerenkov(gAlice->CurrentTrack(),vol,ckovData);
1664 //}
1665 }
1666 }
1667 }
1668 }
1669
1670 /***********************************************End of photon hits*********************************************/
1671
1672
1673 /**********************************************Charged particles treatment*************************************/
1674
1675 else if (gMC->TrackCharge())
1676 //else if (1 == 1)
1677 {
1678//If MIP
1679 /*if (gMC->IsTrackEntering())
1680 {
1681 hits[13]=20;//is track entering?
1682 }*/
1683 if (gMC->VolId("FRE1")==gMC->CurrentVolID(copy) || gMC->VolId("FRE2")==gMC->CurrentVolID(copy))
1684 {
1685 fFreonProd=1;
1686 }
1687
1688 if (gMC->VolId("GAP ")== gMC->CurrentVolID(copy)) {
1689// Get current particle id (ipart), track position (pos) and momentum (mom)
1690
1691 gMC->CurrentVolOffID(3,copy);
1692 vol[0]=copy;
1693 idvol=vol[0]-1;
1694
1695 //Int_t sector=((AliRICHChamber*) (*fChambers)[idvol])
1696 //->Sector(localPos[0], localPos[2]);
1697 //printf("Sector:%d\n",sector);
1698
1699 gMC->TrackPosition(position);
1700 gMC->TrackMomentum(momentum);
1701 pos[0]=position(0);
1702 pos[1]=position(1);
1703 pos[2]=position(2);
1704 mom[0]=momentum(0);
1705 mom[1]=momentum(1);
1706 mom[2]=momentum(2);
1707 mom[3]=momentum(3);
1708 gMC->Gmtod(pos,localPos,1);
1709 gMC->Gmtod(mom,localMom,2);
1710
1711 ipart = gMC->TrackPid();
1712 //
1713 // momentum loss and steplength in last step
1714 destep = gMC->Edep();
1715 step = gMC->TrackStep();
1716
1717 //
1718 // record hits when track enters ...
1719 if( gMC->IsTrackEntering()) {
1720// gMC->SetMaxStep(fMaxStepGas);
1721 Double_t tc = mom[0]*mom[0]+mom[1]*mom[1];
1722 Double_t rt = TMath::Sqrt(tc);
1723 theta = Float_t(TMath::ATan2(rt,Double_t(mom[2])))*kRaddeg;
1724 phi = Float_t(TMath::ATan2(Double_t(mom[1]),Double_t(mom[0])))*kRaddeg;
1725
1726
1727 Double_t localTc = localMom[0]*localMom[0]+localMom[2]*localMom[2];
1728 Double_t localRt = TMath::Sqrt(localTc);
1729 localTheta = Float_t(TMath::ATan2(localRt,Double_t(localMom[1])))*kRaddeg;
1730 localPhi = Float_t(TMath::ATan2(Double_t(localMom[2]),Double_t(localMom[0])))*kRaddeg;
1731
1732 hits[0] = Float_t(ipart); // particle type
1733 hits[1] = localPos[0]; // X-position for hit
1734 hits[2] = localPos[1]; // Y-position for hit
1735 hits[3] = localPos[2]; // Z-position for hit
1736 hits[4] = localTheta; // theta angle of incidence
1737 hits[5] = localPhi; // phi angle of incidence
1738 hits[8] = (Float_t) fNPadHits; // first padhit
1739 hits[9] = -1; // last pad hit
1740 hits[13] = fFreonProd; // did id hit the freon?
1741 hits[14] = mom[0];
1742 hits[15] = mom[1];
1743 hits[16] = mom[2];
1744
1745 tlength = 0;
1746 eloss = 0;
1747 fFreonProd = 0;
1748
1749 Chamber(idvol).LocaltoGlobal(localPos,hits+1);
1750
1751
1752 //To make chamber coordinates x-y had to pass localPos[0], localPos[2]
1753 xhit = localPos[0];
1754 yhit = localPos[2];
1755 // Only if not trigger chamber
1756 if(idvol<kNCH) {
1757 //
1758 // Initialize hit position (cursor) in the segmentation model
1759 ((AliRICHChamber*) (*fChambers)[idvol])
1760 ->SigGenInit(localPos[0], localPos[2], localPos[1]);
1761 }
1762 }
1763
1764 //
1765 // Calculate the charge induced on a pad (disintegration) in case
1766 //
1767 // Mip left chamber ...
1768 if( gMC->IsTrackExiting() || gMC->IsTrackStop() || gMC->IsTrackDisappeared()){
1769 gMC->SetMaxStep(kBig);
1770 eloss += destep;
1771 tlength += step;
1772
1773
1774 // Only if not trigger chamber
1775 if(idvol<kNCH) {
1776 if (eloss > 0)
1777 {
1778 if(gMC->TrackPid() == kNeutron)
1779 printf("\n\n\n\n\n Neutron Making Pad Hit!!! \n\n\n\n");
1780 nPads = MakePadHits(xhit,yhit,eloss,idvol,kMip);
1781 hits[17] = nPads;
1782 //printf("nPads:%d",nPads);
1783 }
1784 }
1785
1786 hits[6]=tlength;
1787 hits[7]=eloss;
1788 if (fNPadHits > (Int_t)hits[8]) {
1789 hits[8]= hits[8]+1;
1790 hits[9]= (Float_t) fNPadHits;
1791 }
1792
1793 //if(sector !=-1)
1794 new(lhits[fNhits++]) AliRICHHit(fIshunt,gAlice->CurrentTrack(),vol,hits);
1795 eloss = 0;
1796 //
1797 // Check additional signal generation conditions
1798 // defined by the segmentation
1799 // model (boundary crossing conditions)
1800 } else if
1801 (((AliRICHChamber*) (*fChambers)[idvol])
1802 ->SigGenCond(localPos[0], localPos[2], localPos[1]))
1803 {
1804 ((AliRICHChamber*) (*fChambers)[idvol])
1805 ->SigGenInit(localPos[0], localPos[2], localPos[1]);
1806 if (eloss > 0)
1807 {
1808 if(gMC->TrackPid() == kNeutron)
1809 printf("\n\n\n\n\n Neutron Making Pad Hit!!! \n\n\n\n");
1810 nPads = MakePadHits(xhit,yhit,eloss,idvol,kMip);
1811 hits[17] = nPads;
1812 //printf("Npads:%d",NPads);
1813 }
1814 xhit = localPos[0];
1815 yhit = localPos[2];
1816 eloss = destep;
1817 tlength += step ;
1818 //
1819 // nothing special happened, add up energy loss
1820 } else {
1821 eloss += destep;
1822 tlength += step ;
1823 }
1824 }
1825 }
1826 /*************************************************End of MIP treatment**************************************/
1827 //}
ddae0931 1828}
2e5f0f7b 1829
237c933d 1830void AliRICH::FindClusters(Int_t nev,Int_t lastEntry)
ddae0931 1831{
2e5f0f7b 1832
ddae0931 1833//
1834// Loop on chambers and on cathode planes
1835//
2e5f0f7b 1836 for (Int_t icat=1;icat<2;icat++) {
1837 gAlice->ResetDigits();
1838 gAlice->TreeD()->GetEvent(1); // spurious +1 ...
237c933d 1839 for (Int_t ich=0;ich<kNCH;ich++) {
2e5f0f7b 1840 AliRICHChamber* iChamber=(AliRICHChamber*) (*fChambers)[ich];
237c933d 1841 TClonesArray *pRICHdigits = this->DigitsAddress(ich);
1842 if (pRICHdigits == 0)
2e5f0f7b 1843 continue;
1844 //
1845 // Get ready the current chamber stuff
1846 //
1847 AliRICHResponse* response = iChamber->GetResponseModel();
a2f7eaf6 1848 AliSegmentation* seg = iChamber->GetSegmentationModel();
2e5f0f7b 1849 AliRICHClusterFinder* rec = iChamber->GetReconstructionModel();
1850 if (seg) {
1851 rec->SetSegmentation(seg);
1852 rec->SetResponse(response);
237c933d 1853 rec->SetDigits(pRICHdigits);
2e5f0f7b 1854 rec->SetChamber(ich);
1855 if (nev==0) rec->CalibrateCOG();
1856 rec->FindRawClusters();
1857 }
1858 TClonesArray *fRch;
1859 fRch=RawClustAddress(ich);
1860 fRch->Sort();
1861 } // for ich
1862
1863 gAlice->TreeR()->Fill();
1864 TClonesArray *fRch;
237c933d 1865 for (int i=0;i<kNCH;i++) {
2e5f0f7b 1866 fRch=RawClustAddress(i);
1867 int nraw=fRch->GetEntriesFast();
1868 printf ("Chamber %d, raw clusters %d\n",i,nraw);
1869 }
1870
1871 ResetRawClusters();
1872
1873 } // for icat
1874
1875 char hname[30];
1876 sprintf(hname,"TreeR%d",nev);
33984590 1877 gAlice->TreeR()->Write(hname,kOverwrite,0);
2e5f0f7b 1878 gAlice->TreeR()->Reset();
1879
1880 //gObjectTable->Print();
ddae0931 1881}
1882
1883
1884//______________________________________________________________________________
1885void AliRICH::Streamer(TBuffer &R__b)
1886{
1887 // Stream an object of class AliRICH.
2e5f0f7b 1888 AliRICHChamber *iChamber;
a2f7eaf6 1889 AliSegmentation *segmentation;
2e5f0f7b 1890 AliRICHResponse *response;
ddae0931 1891 TClonesArray *digitsaddress;
2e5f0f7b 1892 TClonesArray *rawcladdress;
1893 TClonesArray *rechitaddress;
ddae0931 1894
1895 if (R__b.IsReading()) {
1896 Version_t R__v = R__b.ReadVersion(); if (R__v) { }
1897 AliDetector::Streamer(R__b);
2e5f0f7b 1898 R__b >> fNPadHits;
1899 R__b >> fPadHits; // diff
1900 R__b >> fNcerenkovs;
1901 R__b >> fCerenkovs; // diff
ddae0931 1902 R__b >> fDchambers;
2e5f0f7b 1903 R__b >> fRawClusters;
33984590 1904 R__b >> fRecHits; //diff
1905 R__b >> fDebugLevel; //diff
9dda3582 1906 R__b.ReadStaticArray(fNdch);
1907 R__b.ReadStaticArray(fNrawch);
1908 R__b.ReadStaticArray(fNrechits);
2e5f0f7b 1909//
ddae0931 1910 R__b >> fChambers;
1911// Stream chamber related information
237c933d 1912 for (Int_t i =0; i<kNCH; i++) {
2e5f0f7b 1913 iChamber=(AliRICHChamber*) (*fChambers)[i];
ddae0931 1914 iChamber->Streamer(R__b);
2e5f0f7b 1915 segmentation=iChamber->GetSegmentationModel();
1916 segmentation->Streamer(R__b);
1917 response=iChamber->GetResponseModel();
ddae0931 1918 response->Streamer(R__b);
2e5f0f7b 1919 rawcladdress=(TClonesArray*) (*fRawClusters)[i];
1920 rawcladdress->Streamer(R__b);
1921 rechitaddress=(TClonesArray*) (*fRecHits)[i];
1922 rechitaddress->Streamer(R__b);
ddae0931 1923 digitsaddress=(TClonesArray*) (*fDchambers)[i];
1924 digitsaddress->Streamer(R__b);
1925 }
452a64c6 1926 R__b >> fDebugLevel;
1927 R__b >> fCkovNumber;
1928 R__b >> fCkovQuarz;
1929 R__b >> fCkovGap;
1930 R__b >> fCkovCsi;
1931 R__b >> fLostRfreo;
1932 R__b >> fLostRquar;
1933 R__b >> fLostAfreo;
1934 R__b >> fLostAquarz;
1935 R__b >> fLostAmeta;
1936 R__b >> fLostCsi;
1937 R__b >> fLostWires;
1938 R__b >> fFreonProd;
1939 R__b >> fMipx;
1940 R__b >> fMipy;
1941 R__b >> fFeedbacks;
1942 R__b >> fLostFresnel;
ddae0931 1943
1944 } else {
1945 R__b.WriteVersion(AliRICH::IsA());
1946 AliDetector::Streamer(R__b);
2e5f0f7b 1947 R__b << fNPadHits;
1948 R__b << fPadHits; // diff
1949 R__b << fNcerenkovs;
1950 R__b << fCerenkovs; // diff
ddae0931 1951 R__b << fDchambers;
2e5f0f7b 1952 R__b << fRawClusters;
1953 R__b << fRecHits; //diff
33984590 1954 R__b << fDebugLevel; //diff
237c933d 1955 R__b.WriteArray(fNdch, kNCH);
1956 R__b.WriteArray(fNrawch, kNCH);
1957 R__b.WriteArray(fNrechits, kNCH);
ddae0931 1958 //
ddae0931 1959 R__b << fChambers;
1960// Stream chamber related information
237c933d 1961 for (Int_t i =0; i<kNCH; i++) {
2e5f0f7b 1962 iChamber=(AliRICHChamber*) (*fChambers)[i];
ddae0931 1963 iChamber->Streamer(R__b);
2e5f0f7b 1964 segmentation=iChamber->GetSegmentationModel();
1965 segmentation->Streamer(R__b);
1966 response=iChamber->GetResponseModel();
ddae0931 1967 response->Streamer(R__b);
2e5f0f7b 1968 rawcladdress=(TClonesArray*) (*fRawClusters)[i];
1969 rawcladdress->Streamer(R__b);
1970 rechitaddress=(TClonesArray*) (*fRecHits)[i];
1971 rechitaddress->Streamer(R__b);
ddae0931 1972 digitsaddress=(TClonesArray*) (*fDchambers)[i];
1973 digitsaddress->Streamer(R__b);
1974 }
452a64c6 1975 R__b << fDebugLevel;
1976 R__b << fCkovNumber;
1977 R__b << fCkovQuarz;
1978 R__b << fCkovGap;
1979 R__b << fCkovCsi;
1980 R__b << fLostRfreo;
1981 R__b << fLostRquar;
1982 R__b << fLostAfreo;
1983 R__b << fLostAquarz;
1984 R__b << fLostAmeta;
1985 R__b << fLostCsi;
1986 R__b << fLostWires;
1987 R__b << fFreonProd;
1988 R__b << fMipx;
1989 R__b << fMipy;
1990 R__b << fFeedbacks;
1991 R__b << fLostFresnel;
fe4da5cc 1992 }
ddae0931 1993}
2e5f0f7b 1994AliRICHPadHit* AliRICH::FirstPad(AliRICHHit* hit,TClonesArray *clusters )
ddae0931 1995{
1996//
1997 // Initialise the pad iterator
1998 // Return the address of the first padhit for hit
1999 TClonesArray *theClusters = clusters;
2000 Int_t nclust = theClusters->GetEntriesFast();
2001 if (nclust && hit->fPHlast > 0) {
2e5f0f7b 2002 sMaxIterPad=Int_t(hit->fPHlast);
2003 sCurIterPad=Int_t(hit->fPHfirst);
2004 return (AliRICHPadHit*) clusters->UncheckedAt(sCurIterPad-1);
ddae0931 2005 } else {
2006 return 0;
fe4da5cc 2007 }
ddae0931 2008
fe4da5cc 2009}
2010
2e5f0f7b 2011AliRICHPadHit* AliRICH::NextPad(TClonesArray *clusters)
fe4da5cc 2012{
237c933d 2013
2014 // Iterates over pads
2015
ddae0931 2016 sCurIterPad++;
2017 if (sCurIterPad <= sMaxIterPad) {
2e5f0f7b 2018 return (AliRICHPadHit*) clusters->UncheckedAt(sCurIterPad-1);
ddae0931 2019 } else {
2020 return 0;
2021 }
fe4da5cc 2022}
2023
fe4da5cc 2024
d28b5fc2 2025void AliRICH::Digitise(Int_t nev, Int_t flag, Option_t *option,Text_t *filename)
fe4da5cc 2026{
ddae0931 2027 // keep galice.root for signal and name differently the file for
2028 // background when add! otherwise the track info for signal will be lost !
2e5f0f7b 2029
c90dd3e2 2030 static Bool_t first=kTRUE;
237c933d 2031 static TFile *pFile;
2032 char *addBackground = strstr(option,"Add");
ddae0931 2033
2e5f0f7b 2034 FILE* points; //these will be the digits...
2035
2036 points=fopen("points.dat","w");
2037
2038 AliRICHChamber* iChamber;
a2f7eaf6 2039 AliSegmentation* segmentation;
ddae0931 2040
d28b5fc2 2041 Int_t digitse=0;
ddae0931 2042 Int_t trk[50];
2043 Int_t chtrk[50];
2044 TObjArray *list=new TObjArray;
237c933d 2045 static TClonesArray *pAddress=0;
2046 if(!pAddress) pAddress=new TClonesArray("TVector",1000);
2e5f0f7b 2047 Int_t digits[5];
ddae0931 2048
237c933d 2049 AliRICH *pRICH = (AliRICH *) gAlice->GetDetector("RICH");
a2f7eaf6 2050 AliHitMap* pHitMap[10];
2e5f0f7b 2051 Int_t i;
237c933d 2052 for (i=0; i<10; i++) {pHitMap[i]=0;}
2053 if (addBackground ) {
ddae0931 2054 if(first) {
2055 fFileName=filename;
2056 cout<<"filename"<<fFileName<<endl;
237c933d 2057 pFile=new TFile(fFileName);
ddae0931 2058 cout<<"I have opened "<<fFileName<<" file "<<endl;
2e5f0f7b 2059 fHits2 = new TClonesArray("AliRICHHit",1000 );
2060 fClusters2 = new TClonesArray("AliRICHPadHit",10000);
c90dd3e2 2061 first=kFALSE;
ddae0931 2062 }
237c933d 2063 pFile->cd();
ddae0931 2064 // Get Hits Tree header from file
2065 if(fHits2) fHits2->Clear();
2066 if(fClusters2) fClusters2->Clear();
2e5f0f7b 2067 if(TrH1) delete TrH1;
2068 TrH1=0;
2069
ddae0931 2070 char treeName[20];
2071 sprintf(treeName,"TreeH%d",nev);
2e5f0f7b 2072 TrH1 = (TTree*)gDirectory->Get(treeName);
2073 if (!TrH1) {
ddae0931 2074 printf("ERROR: cannot find Hits Tree for event:%d\n",nev);
2075 }
2076 // Set branch addresses
2077 TBranch *branch;
2078 char branchname[20];
2079 sprintf(branchname,"%s",GetName());
2e5f0f7b 2080 if (TrH1 && fHits2) {
2081 branch = TrH1->GetBranch(branchname);
ddae0931 2082 if (branch) branch->SetAddress(&fHits2);
2083 }
2e5f0f7b 2084 if (TrH1 && fClusters2) {
2085 branch = TrH1->GetBranch("RICHCluster");
ddae0931 2086 if (branch) branch->SetAddress(&fClusters2);
2087 }
2088 }
33984590 2089
a2f7eaf6 2090 AliHitMap* hm;
2e5f0f7b 2091 Int_t countadr=0;
33984590 2092 Int_t counter=0;
2093 for (i =0; i<kNCH; i++) {
2094 iChamber=(AliRICHChamber*) (*fChambers)[i];
2095 segmentation=iChamber->GetSegmentationModel(1);
2096 pHitMap[i] = new AliRICHHitMapA1(segmentation, list);
2097 }
2098 //
2099 // Loop over tracks
2100 //
2101
2102 TTree *treeH = gAlice->TreeH();
2103 Int_t ntracks =(Int_t) treeH->GetEntries();
2104 for (Int_t track=0; track<ntracks; track++) {
2105 gAlice->ResetHits();
2106 treeH->GetEvent(track);
2107 //
2108 // Loop over hits
2109 for(AliRICHHit* mHit=(AliRICHHit*)pRICH->FirstHit(-1);
2110 mHit;
2111 mHit=(AliRICHHit*)pRICH->NextHit())
2112 {
2113
2114 digitse=0;
2115
2116 Int_t nch = mHit->fChamber-1; // chamber number
2117 if (nch >kNCH) continue;
2118 iChamber = &(pRICH->Chamber(nch));
2119
2120 TParticle *current = (TParticle*)(*gAlice->Particles())[track];
2121
2122 Int_t particle = current->GetPdgCode();
2123
2124 //printf("Flag:%d\n",flag);
2125 //printf("Track:%d\n",track);
2126 //printf("Particle:%d\n",particle);
2127
2128 if (flag == 0)
2129 digitse=1;
2130
2131 if (flag == 1)
2132 if(TMath::Abs(particle) == 211 || TMath::Abs(particle) == 111)
2133 digitse=1;
2134
2135 if (flag == 2)
2136 if(TMath::Abs(particle)==321 || TMath::Abs(particle)==130 || TMath::Abs(particle)==310
2137 || TMath::Abs(particle)==311)
2138 digitse=1;
2139
2140 if (flag == 3 && TMath::Abs(particle)==2212)
2141 digitse=1;
2142
2143 if (flag == 4 && TMath::Abs(particle)==13)
2144 digitse=1;
2145
2146 if (flag == 5 && TMath::Abs(particle)==11)
2147 digitse=1;
2148
2149 if (flag == 6 && TMath::Abs(particle)==2112)
2150 digitse=1;
2151
2152
2153 //printf ("Particle: %d, Flag: %d, Digitse: %d\n",particle,flag,digitse);
2154
2155
2156 if (digitse)
ddae0931 2157 {
d28b5fc2 2158
33984590 2159 //
2160 // Loop over pad hits
2161 for (AliRICHPadHit* mPad=
2162 (AliRICHPadHit*)pRICH->FirstPad(mHit,fPadHits);
2163 mPad;
2164 mPad=(AliRICHPadHit*)pRICH->NextPad(fPadHits))
d28b5fc2 2165 {
33984590 2166 Int_t cathode = mPad->fCathode; // cathode number
2167 Int_t ipx = mPad->fPadX; // pad number on X
2168 Int_t ipy = mPad->fPadY; // pad number on Y
2169 Int_t iqpad = mPad->fQpad; // charge per pad
2170 //
2171 //
2172 //printf("X:%d, Y:%d, Q:%d\n",ipx,ipy,iqpad);
2173
a2f7eaf6 2174 Float_t thex, they, thez;
33984590 2175 segmentation=iChamber->GetSegmentationModel(cathode);
a2f7eaf6 2176 segmentation->GetPadC(ipx,ipy,thex,they,thez);
33984590 2177 new((*pAddress)[countadr++]) TVector(2);
2178 TVector &trinfo=*((TVector*) (*pAddress)[countadr-1]);
2179 trinfo(0)=(Float_t)track;
2180 trinfo(1)=(Float_t)iqpad;
2181
2182 digits[0]=ipx;
2183 digits[1]=ipy;
2184 digits[2]=iqpad;
2185
2186 AliRICHTransientDigit* pdigit;
2187 // build the list of fired pads and update the info
2188 if (!pHitMap[nch]->TestHit(ipx, ipy)) {
2189 list->AddAtAndExpand(new AliRICHTransientDigit(nch,digits),counter);
2190 pHitMap[nch]->SetHit(ipx, ipy, counter);
2191 counter++;
2192 pdigit=(AliRICHTransientDigit*)list->At(list->GetLast());
2193 // list of tracks
2194 TObjArray *trlist=(TObjArray*)pdigit->TrackList();
2195 trlist->Add(&trinfo);
2196 } else {
2197 pdigit=(AliRICHTransientDigit*) pHitMap[nch]->GetHit(ipx, ipy);
2198 // update charge
2199 (*pdigit).fSignal+=iqpad;
2200 // update list of tracks
2201 TObjArray* trlist=(TObjArray*)pdigit->TrackList();
2202 Int_t lastEntry=trlist->GetLast();
2203 TVector *ptrkP=(TVector*)trlist->At(lastEntry);
2204 TVector &ptrk=*ptrkP;
2205 Int_t lastTrack=Int_t(ptrk(0));
2206 Int_t lastCharge=Int_t(ptrk(1));
2207 if (lastTrack==track) {
2208 lastCharge+=iqpad;
2209 trlist->RemoveAt(lastEntry);
2210 trinfo(0)=lastTrack;
2211 trinfo(1)=lastCharge;
2212 trlist->AddAt(&trinfo,lastEntry);
2213 } else {
2214 trlist->Add(&trinfo);
2215 }
2216 // check the track list
2217 Int_t nptracks=trlist->GetEntriesFast();
2218 if (nptracks > 2) {
2219 printf("Attention - tracks: %d (>2)\n",nptracks);
2220 //printf("cat,nch,ix,iy %d %d %d %d \n",icat+1,nch,ipx,ipy);
2221 for (Int_t tr=0;tr<nptracks;tr++) {
2222 TVector *pptrkP=(TVector*)trlist->At(tr);
2223 TVector &pptrk=*pptrkP;
2224 trk[tr]=Int_t(pptrk(0));
2225 chtrk[tr]=Int_t(pptrk(1));
2226 }
2227 } // end if nptracks
2228 } // end if pdigit
2229 } //end loop over clusters
2230 }// track type condition
2231 } // hit loop
2232 } // track loop
2233
2234 // open the file with background
2235
2236 if (addBackground ) {
2237 ntracks =(Int_t)TrH1->GetEntries();
2238 //printf("background - icat,ntracks1 %d %d\n",icat,ntracks);
2239 //printf("background - Start loop over tracks \n");
2240 //
2241 // Loop over tracks
2242 //
2243 for (Int_t trak=0; trak<ntracks; trak++) {
2244 if (fHits2) fHits2->Clear();
2245 if (fClusters2) fClusters2->Clear();
2246 TrH1->GetEvent(trak);
2247 //
2248 // Loop over hits
2249 AliRICHHit* mHit;
2250 for(int j=0;j<fHits2->GetEntriesFast();++j)
2251 {
2252 mHit=(AliRICHHit*) (*fHits2)[j];
2253 Int_t nch = mHit->fChamber-1; // chamber number
2254 if (nch >6) continue;
2255 iChamber = &(pRICH->Chamber(nch));
2256 Int_t rmin = (Int_t)iChamber->RInner();
2257 Int_t rmax = (Int_t)iChamber->ROuter();
2258 //
2259 // Loop over pad hits
2260 for (AliRICHPadHit* mPad=
2261 (AliRICHPadHit*)pRICH->FirstPad(mHit,fClusters2);
2262 mPad;
2263 mPad=(AliRICHPadHit*)pRICH->NextPad(fClusters2))
2264 {
2265 Int_t cathode = mPad->fCathode; // cathode number
2266 Int_t ipx = mPad->fPadX; // pad number on X
2267 Int_t ipy = mPad->fPadY; // pad number on Y
2268 Int_t iqpad = mPad->fQpad; // charge per pad
2e5f0f7b 2269
a2f7eaf6 2270 Float_t thex, they, thez;
33984590 2271 segmentation=iChamber->GetSegmentationModel(cathode);
a2f7eaf6 2272 segmentation->GetPadC(ipx,ipy,thex,they,thez);
33984590 2273 Float_t rpad=TMath::Sqrt(thex*thex+they*they);
2274 if (rpad < rmin || iqpad ==0 || rpad > rmax) continue;
2275 new((*pAddress)[countadr++]) TVector(2);
2276 TVector &trinfo=*((TVector*) (*pAddress)[countadr-1]);
2277 trinfo(0)=-1; // tag background
2278 trinfo(1)=-1;
2279 digits[0]=ipx;
2280 digits[1]=ipy;
2281 digits[2]=iqpad;
2282 if (trak <4 && nch==0)
2283 printf("bgr - pHitMap[nch]->TestHit(ipx, ipy),trak %d %d\n",
2284 pHitMap[nch]->TestHit(ipx, ipy),trak);
2285 AliRICHTransientDigit* pdigit;
2286 // build the list of fired pads and update the info
2287 if (!pHitMap[nch]->TestHit(ipx, ipy)) {
2288 list->AddAtAndExpand(new AliRICHTransientDigit(nch,digits),counter);
2289
2290 pHitMap[nch]->SetHit(ipx, ipy, counter);
2291 counter++;
2292 printf("bgr new elem in list - counter %d\n",counter);
2293
2294 pdigit=(AliRICHTransientDigit*)list->At(list->GetLast());
2295 // list of tracks
2296 TObjArray *trlist=(TObjArray*)pdigit->TrackList();
2297 trlist->Add(&trinfo);
2298 } else {
2299 pdigit=(AliRICHTransientDigit*) pHitMap[nch]->GetHit(ipx, ipy);
2300 // update charge
2301 (*pdigit).fSignal+=iqpad;
2302 // update list of tracks
2303 TObjArray* trlist=(TObjArray*)pdigit->TrackList();
2304 Int_t lastEntry=trlist->GetLast();
2305 TVector *ptrkP=(TVector*)trlist->At(lastEntry);
2306 TVector &ptrk=*ptrkP;
2307 Int_t lastTrack=Int_t(ptrk(0));
2308 if (lastTrack==-1) {
2309 continue;
2310 } else {
2311 trlist->Add(&trinfo);
2312 }
2313 // check the track list
2314 Int_t nptracks=trlist->GetEntriesFast();
2315 if (nptracks > 0) {
2316 for (Int_t tr=0;tr<nptracks;tr++) {
2317 TVector *pptrkP=(TVector*)trlist->At(tr);
2318 TVector &pptrk=*pptrkP;
2319 trk[tr]=Int_t(pptrk(0));
2320 chtrk[tr]=Int_t(pptrk(1));
2321 }
2322 } // end if nptracks
2323 } // end if pdigit
2324 } //end loop over clusters
2325 } // hit loop
2326 } // track loop
ddae0931 2327 TTree *fAli=gAlice->TreeK();
237c933d 2328 if (fAli) pFile =fAli->GetCurrentFile();
2329 pFile->cd();
33984590 2330 } // if Add
2331
2332 Int_t tracks[10];
2333 Int_t charges[10];
2334 //cout<<"Start filling digits \n "<<endl;
2335 Int_t nentries=list->GetEntriesFast();
2336 //printf(" \n \n nentries %d \n",nentries);
2337
2338 // start filling the digits
2339
2340 for (Int_t nent=0;nent<nentries;nent++) {
2341 AliRICHTransientDigit *address=(AliRICHTransientDigit*)list->At(nent);
2342 if (address==0) continue;
2343
2344 Int_t ich=address->fChamber;
2345 Int_t q=address->fSignal;
2346 iChamber=(AliRICHChamber*) (*fChambers)[ich];
2347 AliRICHResponse * response=iChamber->GetResponseModel();
2348 Int_t adcmax= (Int_t) response->MaxAdc();
2349
2350
2351 // add white noise and do zero-suppression and signal truncation (new electronics,old electronics gaus 1.2,0.2)
2352 //printf("Treshold: %d\n",iChamber->fTresh->GetHitIndex(address->fPadX,address->fPadY));
2353 Int_t pedestal = iChamber->fTresh->GetHitIndex(address->fPadX,address->fPadY);
ddae0931 2354
33984590 2355 //printf("Pedestal:%d\n",pedestal);
2356 //Int_t pedestal=0;
9dda3582 2357 Float_t treshold = (pedestal + 4*2.2);
33984590 2358
9dda3582 2359 Float_t meanNoise = gRandom->Gaus(2.2, 0.3);
33984590 2360 Float_t noise = gRandom->Gaus(0, meanNoise);
2361 q+=(Int_t)(noise + pedestal);
2362 //q+=(Int_t)(noise);
2363 // magic number to be parametrised !!!
2364 if ( q <= treshold)
2365 {
2366 q = q - pedestal;
2367 continue;
2e5f0f7b 2368 }
33984590 2369 q = q - pedestal;
2370 if ( q >= adcmax) q=adcmax;
2371 digits[0]=address->fPadX;
2372 digits[1]=address->fPadY;
2373 digits[2]=q;
2374
2375 TObjArray* trlist=(TObjArray*)address->TrackList();
2376 Int_t nptracks=trlist->GetEntriesFast();
2377
2378 // this was changed to accomodate the real number of tracks
2379 if (nptracks > 10) {
2380 cout<<"Attention - tracks > 10 "<<nptracks<<endl;
2381 nptracks=10;
2382 }
2383 if (nptracks > 2) {
2384 printf("Attention - tracks > 2 %d \n",nptracks);
2385 //printf("cat,ich,ix,iy,q %d %d %d %d %d \n",
2386 //icat,ich,digits[0],digits[1],q);
2387 }
2388 for (Int_t tr=0;tr<nptracks;tr++) {
2389 TVector *ppP=(TVector*)trlist->At(tr);
2390 TVector &pp =*ppP;
2391 tracks[tr]=Int_t(pp(0));
2392 charges[tr]=Int_t(pp(1));
2393 } //end loop over list of tracks for one pad
2394 if (nptracks < 10 ) {
2395 for (Int_t t=nptracks; t<10; t++) {
2396 tracks[t]=0;
2397 charges[t]=0;
ddae0931 2398 }
33984590 2399 }
2400 //write file
2401 if (ich==2)
2402 fprintf(points,"%4d, %4d, %4d\n",digits[0],digits[1],digits[2]);
2403
2404 // fill digits
2405 pRICH->AddDigits(ich,tracks,charges,digits);
2406 }
2407 gAlice->TreeD()->Fill();
2408
2409 list->Delete();
2410 for(Int_t ii=0;ii<kNCH;++ii) {
2411 if (pHitMap[ii]) {
2412 hm=pHitMap[ii];
2413 delete hm;
2414 pHitMap[ii]=0;
2415 }
2416 }
2417
2418 //TTree *TD=gAlice->TreeD();
2419 //Stat_t ndig=TD->GetEntries();
2420 //cout<<"number of digits "<<ndig<<endl;
2421 TClonesArray *fDch;
2422 for (int k=0;k<kNCH;k++) {
2423 fDch= pRICH->DigitsAddress(k);
2424 int ndigit=fDch->GetEntriesFast();
2425 printf ("Chamber %d digits %d \n",k,ndigit);
2426 }
2427 pRICH->ResetDigits();
ddae0931 2428 char hname[30];
2429 sprintf(hname,"TreeD%d",nev);
33984590 2430 gAlice->TreeD()->Write(hname,kOverwrite,0);
2431
2432 // reset tree
2433 // gAlice->TreeD()->Reset();
2e5f0f7b 2434 delete list;
237c933d 2435 pAddress->Clear();
33984590 2436 // gObjectTable->Print();
2e5f0f7b 2437}
ddae0931 2438
237c933d 2439AliRICH& AliRICH::operator=(const AliRICH& rhs)
2440{
2441// Assignment operator
2442 return *this;
2443
2444}
ddae0931 2445
237c933d 2446Int_t AliRICH::MakePadHits(Float_t xhit,Float_t yhit,Float_t eloss, Int_t idvol, ResponseType res)
2447{
2448//
2449// Calls the charge disintegration method of the current chamber and adds
2450// the simulated cluster to the root treee
2451//
2452 Int_t clhits[kNCH];
2453 Float_t newclust[6][500];
2454 Int_t nnew;
2455
2456//
2457// Integrated pulse height on chamber
2458
2459 clhits[0]=fNhits+1;
2460
2461 ((AliRICHChamber*) (*fChambers)[idvol])->DisIntegration(eloss, xhit, yhit, nnew, newclust, res);
2462 Int_t ic=0;
2463
2464//
2465// Add new clusters
2466 for (Int_t i=0; i<nnew; i++) {
2467 if (Int_t(newclust[3][i]) > 0) {
2468 ic++;
2469// Cathode plane
2470 clhits[1] = Int_t(newclust[5][i]);
2471// Cluster Charge
2472 clhits[2] = Int_t(newclust[0][i]);
2473// Pad: ix
2474 clhits[3] = Int_t(newclust[1][i]);
2475// Pad: iy
2476 clhits[4] = Int_t(newclust[2][i]);
2477// Pad: charge
2478 clhits[5] = Int_t(newclust[3][i]);
2479// Pad: chamber sector
2480 clhits[6] = Int_t(newclust[4][i]);
2481
2482 AddPadHit(clhits);
2483 }
2484 }
2485return nnew;
2486}
ddae0931 2487