git://git.uio.no / u / mrichter / AliRoot.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
Minor changes (R.Barbera)
[u/mrichter/AliRoot.git] / TOF / AliTOFv3.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/*
17$Log$
b94fa26c 18Revision 1.18 2000/12/04 08:48:20 alibrary
19Fixing problems in the HEAD
20
0cc62300 21Revision 1.17 2000/10/02 21:28:17 fca
22Removal of useless dependecies via forward declarations
23
94de3818 24Revision 1.16 2000/05/10 16:52:18 vicinanz
25New TOF version with holes for PHOS/RICH
26
2cef3cb2 27Revision 1.14.2.1 2000/05/10 09:37:16 vicinanz
28New version with Holes for PHOS/RICH
29
da39da0c 30Revision 1.14 1999/11/05 22:39:06 fca
31New hits structure
32
826b71ec 33Revision 1.13 1999/11/02 11:26:39 fca
34added stdlib.h for exit
35
0c50193f 36Revision 1.12 1999/11/01 20:41:57 fca
37Added protections against using the wrong version of FRAME
38
ab76897d 39Revision 1.11 1999/10/22 08:04:14 fca
40Correct improper use of negative parameters
41
d0a635a0 42Revision 1.10 1999/10/16 19:30:06 fca
43Corrected Rotation Matrix and CVS log
44
00e5f8d9 45Revision 1.9 1999/10/15 15:35:20 fca
46New version for frame1099 with and without holes
47
48Revision 1.8 1999/09/29 09:24:33 fca
937fe4a4 49Introduction of the Copyright and cvs Log
50
4c039060 51*/
52
fe4da5cc 53///////////////////////////////////////////////////////////////////////////////
54// //
2cef3cb2 55// Time Of Flight: design of C.Williams
56//
937fe4a4 57// This class contains the functions for version 1 of the Time Of Flight //
fe4da5cc 58// detector. //
937fe4a4 59//
60// VERSION WITH 5 MODULES AND TILTED STRIPS
61//
2cef3cb2 62// HOLES FOR RICH DETECTOR
937fe4a4 63//
64// Authors:
65//
66// Alessio Seganti
67// Domenico Vicinanza
68//
69// University of Salerno - Italy
70//
b94fa26c 71// Fabrizio Pierella
72// University of Bologna - Italy
73//
937fe4a4 74//
fe4da5cc 75//Begin_Html
76/*
1439f98e 77<img src="picts/AliTOFv3Class.gif">
fe4da5cc 78*/
79//End_Html
80// //
81///////////////////////////////////////////////////////////////////////////////
82
826b71ec 83#include <iostream.h>
0c50193f 84#include <stdlib.h>
85
fe4da5cc 86#include "AliTOFv3.h"
2cef3cb2 87#include "TBRIK.h"
94de3818 88#include "TGeometry.h"
2cef3cb2 89#include "TNode.h"
0cc62300 90#include <TLorentzVector.h>
2cef3cb2 91#include "TObject.h"
fe4da5cc 92#include "AliRun.h"
94de3818 93#include "AliMC.h"
3fe3a833 94#include "AliConst.h"
2cef3cb2 95
fe4da5cc 96
97ClassImp(AliTOFv3)
98
99//_____________________________________________________________________________
ad51aeb0 100AliTOFv3::AliTOFv3()
fe4da5cc 101{
102 //
103 // Default constructor
104 //
105}
106
107//_____________________________________________________________________________
108AliTOFv3::AliTOFv3(const char *name, const char *title)
2cef3cb2 109 : AliTOF(name,title)
fe4da5cc 110{
111 //
112 // Standard constructor
113 //
da39da0c 114 //
115 // Check that FRAME is there otherwise we have no place where to
116 // put TOF
b94fa26c 117 AliModule* frame=gAlice->GetModule("FRAME");
118 if(!frame) {
da39da0c 119 Error("Ctor","TOF needs FRAME to be present\n");
120 exit(1);
2cef3cb2 121 } else
b94fa26c 122 if(frame->IsVersion()!=1) {
da39da0c 123 Error("Ctor","FRAME version 1 needed with this version of TOF\n");
124 exit(1);
125 }
126
fe4da5cc 127}
2cef3cb2 128
b94fa26c 129//____________________________________________________________________________
130AliTOFv3::~AliTOFv3()
131{
132 // destructor
133
134 if ( fHits) {
135 fHits->Delete() ;
136 delete fHits ;
137 fHits = 0 ;
138 }
139/*
140 if ( fSDigits) {
141 fSDigits->Delete() ;
142 delete fSDigits ;
143 fSDigits = 0 ;
144 }
145*/
146 if ( fDigits) {
147 fDigits->Delete() ;
148 delete fDigits ;
149 fDigits = 0 ;
150 }
151
152}
153
2cef3cb2 154//_____________________________________________________________________________
155void AliTOFv3::BuildGeometry()
156{
157 //
158 // Build TOF ROOT geometry for the ALICE event display
159 //
b94fa26c 160 TNode *node, *top;
2cef3cb2 161 const int kColorTOF = 27;
162
163 // Find top TNODE
b94fa26c 164 top = gAlice->GetGeometry()->GetNode("alice");
2cef3cb2 165
166 // Position the different copies
b94fa26c 167 const Float_t krTof =(fRmax+fRmin)/2;
168 const Float_t khTof = fRmax-fRmin;
169 const Int_t kNTof = fNTof;
2cef3cb2 170 const Float_t kPi = TMath::Pi();
b94fa26c 171 const Float_t kangle = 2*kPi/kNTof;
2cef3cb2 172 Float_t ang;
173
174 // Define TOF basic volume
175
b94fa26c 176 char nodeName0[7], nodeName1[7], nodeName2[7];
177 char nodeName3[7], nodeName4[7], rotMatNum[7];
2cef3cb2 178
179 new TBRIK("S_TOF_C","TOF box","void",
b94fa26c 180 120*0.5,khTof*0.5,fZlenC*0.5);
2cef3cb2 181 new TBRIK("S_TOF_B","TOF box","void",
b94fa26c 182 120*0.5,khTof*0.5,fZlenB*0.5);
2cef3cb2 183 new TBRIK("S_TOF_A","TOF box","void",
b94fa26c 184 120*0.5,khTof*0.5,fZlenA*0.5);
2cef3cb2 185
b94fa26c 186 for (Int_t nodeNum=1;nodeNum<19;nodeNum++){
2cef3cb2 187
b94fa26c 188 if (nodeNum<10) {
189 sprintf(rotMatNum,"rot50%i",nodeNum);
190 sprintf(nodeName0,"FTO00%i",nodeNum);
191 sprintf(nodeName1,"FTO10%i",nodeNum);
192 sprintf(nodeName2,"FTO20%i",nodeNum);
193 sprintf(nodeName3,"FTO30%i",nodeNum);
194 sprintf(nodeName4,"FTO40%i",nodeNum);
2cef3cb2 195 }
b94fa26c 196 if (nodeNum>9) {
197 sprintf(rotMatNum,"rot5%i",nodeNum);
198 sprintf(nodeName0,"FTO0%i",nodeNum);
199 sprintf(nodeName1,"FTO1%i",nodeNum);
200 sprintf(nodeName2,"FTO2%i",nodeNum);
201 sprintf(nodeName3,"FTO3%i",nodeNum);
202 sprintf(nodeName4,"FTO4%i",nodeNum);
2cef3cb2 203 }
204
b94fa26c 205 new TRotMatrix(rotMatNum,rotMatNum,90,-20*nodeNum,90,90-20*nodeNum,0,0);
206 ang = (4.5-nodeNum) * kangle;
207
208 top->cd();
209 node = new TNode(nodeName0,nodeName0,"S_TOF_C",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),299.15,rotMatNum);
210 node->SetLineColor(kColorTOF);
211 fNodes->Add(node);
212
213 top->cd();
214 node = new TNode(nodeName1,nodeName1,"S_TOF_C",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),-299.15,rotMatNum);
215 node->SetLineColor(kColorTOF);
216 fNodes->Add(node);
217if (nodeNum !=1 && nodeNum!=2 && nodeNum !=18)
2cef3cb2 218 {
b94fa26c 219 top->cd();
220 node = new TNode(nodeName2,nodeName2,"S_TOF_B",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),146.45,rotMatNum);
221 node->SetLineColor(kColorTOF);
222 fNodes->Add(node);
223
224 top->cd();
225 node = new TNode(nodeName3,nodeName3,"S_TOF_B",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),-146.45,rotMatNum);
226 node->SetLineColor(kColorTOF);
227 fNodes->Add(node);
2cef3cb2 228 } // Holes for RICH detector
229
b94fa26c 230if (nodeNum !=1 && nodeNum !=2 && nodeNum !=18)
2cef3cb2 231 {
b94fa26c 232 top->cd();
233 node = new TNode(nodeName4,nodeName4,"S_TOF_A",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),0.,rotMatNum);
234 node->SetLineColor(kColorTOF);
235 fNodes->Add(node);
2cef3cb2 236 } // Holes for RICH detector, central part
237 }
238}
239
240
fe4da5cc 241
242//_____________________________________________________________________________
243void AliTOFv3::CreateGeometry()
244{
245 //
3fe3a833 246 // Create geometry for Time Of Flight version 0
fe4da5cc 247 //
248 //Begin_Html
249 /*
1439f98e 250 <img src="picts/AliTOFv3.gif">
fe4da5cc 251 */
252 //End_Html
253 //
937fe4a4 254 // Creates common geometry
fe4da5cc 255 //
256 AliTOF::CreateGeometry();
257}
258
259//_____________________________________________________________________________
2cef3cb2 260void AliTOFv3::TOFpc(Float_t xtof, Float_t ytof, Float_t zlenC,
261 Float_t zlenB, Float_t zlenA, Float_t ztof0)
fe4da5cc 262{
263 //
3fe3a833 264 // Definition of the Time Of Fligh Resistive Plate Chambers
937fe4a4 265 // xFLT, yFLT, zFLT - sizes of TOF modules (large)
3fe3a833 266
937fe4a4 267 Float_t ycoor, zcoor;
b94fa26c 268 Float_t par[3];
2cef3cb2 269 Int_t *idtmed = fIdtmed->GetArray()-499;
270 Int_t idrotm[100];
271 Int_t nrot = 0;
272 Float_t hTof = fRmax-fRmin;
fe4da5cc 273
b94fa26c 274 Float_t radius = fRmin+2.;//cm
937fe4a4 275
2cef3cb2 276 par[0] = xtof * 0.5;
277 par[1] = ytof * 0.5;
278 par[2] = zlenC * 0.5;
279 gMC->Gsvolu("FTOC", "BOX ", idtmed[506], par, 3);
280 par[2] = zlenB * 0.5;
281 gMC->Gsvolu("FTOB", "BOX ", idtmed[506], par, 3);
282 par[2] = zlenA * 0.5;
283 gMC->Gsvolu("FTOA", "BOX ", idtmed[506], par, 3);
937fe4a4 284
285
286// Positioning of modules
287
2cef3cb2 288 Float_t zcor1 = ztof0 - zlenC*0.5;
289 Float_t zcor2 = ztof0 - zlenC - zlenB*0.5;
937fe4a4 290 Float_t zcor3 = 0.;
291
2cef3cb2 292 AliMatrix(idrotm[0], 90., 0., 0., 0., 90,-90.);
293 AliMatrix(idrotm[1], 90.,180., 0., 0., 90, 90.);
294 gMC->Gspos("FTOC", 1, "BTO1", 0, zcor1, 0, idrotm[0], "ONLY");
295 gMC->Gspos("FTOC", 2, "BTO1", 0, -zcor1, 0, idrotm[1], "ONLY");
296 gMC->Gspos("FTOC", 1, "BTO2", 0, zcor1, 0, idrotm[0], "ONLY");
297 gMC->Gspos("FTOC", 2, "BTO2", 0, -zcor1, 0, idrotm[1], "ONLY");
298 gMC->Gspos("FTOC", 1, "BTO3", 0, zcor1, 0, idrotm[0], "ONLY");
299 gMC->Gspos("FTOC", 2, "BTO3", 0, -zcor1, 0, idrotm[1], "ONLY");
937fe4a4 300
2cef3cb2 301 gMC->Gspos("FTOB", 1, "BTO1", 0, zcor2, 0, idrotm[0], "ONLY");
302 gMC->Gspos("FTOB", 2, "BTO1", 0, -zcor2, 0, idrotm[1], "ONLY");
303 gMC->Gspos("FTOB", 1, "BTO2", 0, zcor2, 0, idrotm[0], "ONLY");
304 gMC->Gspos("FTOB", 2, "BTO2", 0, -zcor2, 0, idrotm[1], "ONLY");
937fe4a4 305
2cef3cb2 306 gMC->Gspos("FTOA", 0, "BTO1", 0, zcor3, 0, idrotm[0], "ONLY");
307 gMC->Gspos("FTOA", 0, "BTO2", 0, zcor3, 0, idrotm[0], "ONLY");
937fe4a4 308
2cef3cb2 309 Float_t db = 0.5;//cm
310 Float_t xFLT, xFST, yFLT, zFLTA, zFLTB, zFLTC;
937fe4a4 311
2cef3cb2 312 xFLT = fStripLn;
937fe4a4 313 yFLT = ytof;
2cef3cb2 314 zFLTA = zlenA;
315 zFLTB = zlenB;
316 zFLTC = zlenC;
317
318 xFST = xFLT-fDeadBndX*2;//cm
937fe4a4 319
320// Sizes of MRPC pads
321
2cef3cb2 322 Float_t yPad = 0.505;//cm
937fe4a4 323
b94fa26c 324// Large not sensitive volumes with Insensitive Freon
2cef3cb2 325 par[0] = xFLT*0.5;
326 par[1] = yFLT*0.5;
b94fa26c 327
3fe3a833 328 cout <<"************************* TOF geometry **************************"<<endl;
937fe4a4 329
2cef3cb2 330 par[2] = (zFLTA *0.5);
b94fa26c 331 gMC->Gsvolu("FLTA", "BOX ", idtmed[512], par, 3); // Insensitive Freon
2cef3cb2 332 gMC->Gspos ("FLTA", 0, "FTOA", 0., 0., 0., 0, "ONLY");
937fe4a4 333
2cef3cb2 334 par[2] = (zFLTB * 0.5);
b94fa26c 335 gMC->Gsvolu("FLTB", "BOX ", idtmed[512], par, 3); // Insensitive Freon
2cef3cb2 336 gMC->Gspos ("FLTB", 0, "FTOB", 0., 0., 0., 0, "ONLY");
937fe4a4 337
b94fa26c 338 par[2] = (zFLTC * 0.5);
339 gMC->Gsvolu("FLTC", "BOX ", idtmed[512], par, 3); // Insensitive Freon
2cef3cb2 340 gMC->Gspos ("FLTC", 0, "FTOC", 0., 0., 0., 0, "ONLY");
937fe4a4 341
b94fa26c 342////////// Layers of Aluminum before and after detector //////////
343////////// Aluminum Box for Modules (2.0 mm thickness) /////////
344////////// lateral walls not simulated
345 par[0] = xFLT*0.5;
2cef3cb2 346 par[1] = 0.1;//cm
937fe4a4 347 ycoor = -yFLT/2 + par[1];
b94fa26c 348 par[2] = (zFLTA *0.5);
349 gMC->Gsvolu("FALA", "BOX ", idtmed[508], par, 3); // Alluminium
350 gMC->Gspos ("FALA", 1, "FLTA", 0., ycoor, 0., 0, "ONLY");
351 gMC->Gspos ("FALA", 2, "FLTA", 0.,-ycoor, 0., 0, "ONLY");
352 par[2] = (zFLTB *0.5);
353 gMC->Gsvolu("FALB", "BOX ", idtmed[508], par, 3); // Alluminium
354 gMC->Gspos ("FALB", 1, "FLTB", 0., ycoor, 0., 0, "ONLY");
355 gMC->Gspos ("FALB", 2, "FLTB", 0.,-ycoor, 0., 0, "ONLY");
356 par[2] = (zFLTC *0.5);
357 gMC->Gsvolu("FALC", "BOX ", idtmed[508], par, 3); // Alluminium
358 gMC->Gspos ("FALC", 1, "FLTC", 0., ycoor, 0., 0, "ONLY");
359 gMC->Gspos ("FALC", 2, "FLTC", 0.,-ycoor, 0., 0, "ONLY");
360
3fe3a833 361///////////////// Detector itself //////////////////////
937fe4a4 362
b94fa26c 363 const Float_t kdeadBound = fDeadBndZ; //cm non-sensitive between the pad edge
2cef3cb2 364 //and the boundary of the strip
b94fa26c 365 const Int_t knx = fNpadX; // number of pads along x
366 const Int_t knz = fNpadZ; // number of pads along z
367 const Float_t kspace = fSpace; //cm distance from the front plate of the box
937fe4a4 368
2cef3cb2 369 Float_t zSenStrip = fZpad*fNpadZ;//cm
b94fa26c 370 Float_t stripWidth = zSenStrip + 2*kdeadBound;
937fe4a4 371
2cef3cb2 372 par[0] = xFLT*0.5;
373 par[1] = yPad*0.5;
b94fa26c 374 par[2] = stripWidth*0.5;
937fe4a4 375
b94fa26c 376// new description for strip volume
377// -- all constants are expressed in cm
378// heigth of different layers
379 const Float_t khhony = 1. ; // heigth of HONY Layer
380 const Float_t khpcby = 0.15 ; // heigth of PCB Layer
381 const Float_t khmyly = 0.035 ; // heigth of MYLAR Layer
382 const Float_t khgraphy = 0.02 ; // heigth of GRAPHITE Layer
383 const Float_t khglasseiy = 0.32; // 2.2 Ext. Glass + 1. Semi Int. Glass (mm)
384 const Float_t khsensmy = 0.11 ; // heigth of Sensitive Freon Mixture
385 const Float_t kwsensmz = 2*3.5 ; // cm
386 const Float_t klsensmx = 48*2.5; // cm
387 const Float_t kwpadz = 3.5; // cm z dimension of the FPAD volume
388 const Float_t klpadx = 2.5; // cm x dimension of the FPAD volume
389
390 // heigth of the FSTR Volume (the strip volume)
391 const Float_t khstripy = 2*(khhony+khpcby+khmyly+khgraphy+khglasseiy)+khsensmy;
392 // width of the FSTR Volume (the strip volume)
393 const Float_t kwstripz = 10.;
394 // length of the FSTR Volume (the strip volume)
395 const Float_t klstripx = 122.;
396
397 Float_t parfp[3]={klstripx*0.5,khstripy*0.5,kwstripz*0.5};
398// coordinates of the strip center in the strip reference frame; used for positioning
399// internal strip volumes
400 Float_t posfp[3]={0.,0.,0.};
401
402 // FSTR volume definition and filling this volume with non sensitive Gas Mixture
403 gMC->Gsvolu("FSTR","BOX",idtmed[512],parfp,3);
404 //-- HONY Layer definition
405// parfp[0] = -1;
406 parfp[1] = khhony*0.5;
407// parfp[2] = -1;
408 gMC->Gsvolu("FHON","BOX",idtmed[503],parfp,3);
409 // positioning 2 HONY Layers on FSTR volume
410 posfp[1]=-khstripy*0.5+parfp[1];
411 gMC->Gspos("FHON",1,"FSTR",0., posfp[1],0.,0,"ONLY");
412 gMC->Gspos("FHON",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
413
414 //-- PCB Layer definition
415 parfp[1] = khpcby*0.5;
416 gMC->Gsvolu("FPCB","BOX",idtmed[504],parfp,3);
417 // positioning 2 PCB Layers on FSTR volume
418 posfp[1]=-khstripy*0.5+khhony+parfp[1];
419 gMC->Gspos("FPCB",1,"FSTR",0., posfp[1],0.,0,"ONLY");
420 gMC->Gspos("FPCB",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
421
422 //-- MYLAR Layer definition
423 parfp[1] = khmyly*0.5;
424 gMC->Gsvolu("FMYL","BOX",idtmed[511],parfp,3);
425 // positioning 2 MYLAR Layers on FSTR volume
426 posfp[1] = -khstripy*0.5+khhony+khpcby+parfp[1];
427 gMC->Gspos("FMYL",1,"FSTR",0., posfp[1],0.,0,"ONLY");
428 gMC->Gspos("FMYL",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
429
430 //-- Graphite Layer definition
431 parfp[1] = khgraphy*0.5;
432 gMC->Gsvolu("FGRP","BOX",idtmed[502],parfp,3);
433 // positioning 2 Graphite Layers on FSTR volume
434 posfp[1] = -khstripy*0.5+khhony+khpcby+khmyly+parfp[1];
435 gMC->Gspos("FGRP",1,"FSTR",0., posfp[1],0.,0,"ONLY");
436 gMC->Gspos("FGRP",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
437
438 //-- Glass (EXT. +Semi INT.) Layer definition
439 parfp[1] = khglasseiy*0.5;
440 gMC->Gsvolu("FGLA","BOX",idtmed[514],parfp,3);
441 // positioning 2 Glass Layers on FSTR volume
442 posfp[1] = -khstripy*0.5+khhony+khpcby+khmyly+khgraphy+parfp[1];
443 gMC->Gspos("FGLA",1,"FSTR",0., posfp[1],0.,0,"ONLY");
444 gMC->Gspos("FGLA",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
445
446 //-- Sensitive Mixture Layer definition
447 parfp[0] = klsensmx*0.5;
448 parfp[1] = khsensmy*0.5;
449 parfp[2] = kwsensmz*0.5;
450 gMC->Gsvolu("FSEN","BOX",idtmed[513],parfp,3);
451 // positioning the sensitive gas Layer on FSTR volume
452 gMC->Gspos("FSEN",0,"FSTR",0.,0.,0.,0,"ONLY");
453
454 // dividing FSEN along z in knz=2 and along x in knx=48
455 gMC->Gsdvn("FSEZ","FSEN",knz,3);
456 gMC->Gsdvn("FSEX","FSEZ",knx,1);
457
458 // FPAD volume definition
459 parfp[0] = klpadx*0.5;
460 parfp[1] = khsensmy*0.5;
461 parfp[2] = kwpadz*0.5;
462 gMC->Gsvolu("FPAD","BOX",idtmed[513],parfp,3);
463 // positioning the FPAD volumes on previous divisions
464 gMC->Gspos("FPAD",0,"FSEX",0.,0.,0.,0,"ONLY");
937fe4a4 465
937fe4a4 466//// Positioning the Strips (FSTR) in the FLT volumes /////
467
2cef3cb2 468 // Plate A (Central)
469
470 Float_t t = zFLTC+zFLTB+zFLTA*0.5+ 2*db;//Half Width of Barrel
471
b94fa26c 472 Float_t gap = fGapA; //cm distance between the strip axis
937fe4a4 473 Float_t zpos = 0;
2cef3cb2 474 Float_t ang = 0;
937fe4a4 475 Int_t i=1,j=1;
2cef3cb2 476 nrot = 0;
477 zcoor = 0;
b94fa26c 478 ycoor = -14.5 + kspace ; //2 cm over front plate
2cef3cb2 479
480 AliMatrix (idrotm[0], 90., 0.,90.,90.,0., 90.);
481 gMC->Gspos("FSTR",j,"FLTA",0.,ycoor, 0.,idrotm[0],"ONLY");
482
483 printf("%f, St. %2i, Pl.3 ",ang*kRaddeg,i);
484 printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
485
486 zcoor -= zSenStrip;
487 j++;
b94fa26c 488 Int_t upDown = -1; // upDown=-1 -> Upper strip
489 // upDown=+1 -> Lower strip
937fe4a4 490 do{
b94fa26c 491 ang = atan(zcoor/radius);
2cef3cb2 492 ang *= kRaddeg;
493 AliMatrix (idrotm[nrot], 90., 0.,90.-ang,90.,-ang, 90.);
494 AliMatrix (idrotm[nrot+1],90.,180.,90.+ang,90., ang, 90.);
495 ang /= kRaddeg;
b94fa26c 496 ycoor = -14.5+ kspace; //2 cm over front plate
497 ycoor += (1-(upDown+1)/2)*gap;
2cef3cb2 498 gMC->Gspos("FSTR",j ,"FLTA",0.,ycoor, zcoor,idrotm[nrot], "ONLY");
499 gMC->Gspos("FSTR",j+1,"FLTA",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY");
500
501 printf("%f, St. %2i, Pl.3 ",ang*kRaddeg,i);
502 printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
503
504 j += 2;
b94fa26c 505 upDown*= -1; // Alternate strips
2cef3cb2 506 zcoor = zcoor-(zSenStrip/2)/TMath::Cos(ang)-
b94fa26c 507 upDown*gap*TMath::Tan(ang)-
2cef3cb2 508 (zSenStrip/2)/TMath::Cos(ang);
b94fa26c 509 } while (zcoor-(stripWidth/2)*TMath::Cos(ang)>-t+zFLTC+zFLTB+db*2);
937fe4a4 510
2cef3cb2 511 zcoor = zcoor+(zSenStrip/2)/TMath::Cos(ang)+
b94fa26c 512 upDown*gap*TMath::Tan(ang)+
2cef3cb2 513 (zSenStrip/2)/TMath::Cos(ang);
514
b94fa26c 515 gap = fGapB;
2cef3cb2 516 zcoor = zcoor-(zSenStrip/2)/TMath::Cos(ang)-
b94fa26c 517 upDown*gap*TMath::Tan(ang)-
2cef3cb2 518 (zSenStrip/2)/TMath::Cos(ang);
519
b94fa26c 520 ang = atan(zcoor/radius);
2cef3cb2 521 ang *= kRaddeg;
522 AliMatrix (idrotm[nrot], 90., 0.,90.-ang,90.,-ang, 90.);
523 AliMatrix (idrotm[nrot+1],90.,180.,90.+ang,90., ang, 90.);
524 ang /= kRaddeg;
525
b94fa26c 526 ycoor = -14.5+ kspace; //2 cm over front plate
527 ycoor += (1-(upDown+1)/2)*gap;
2cef3cb2 528 gMC->Gspos("FSTR",j ,"FLTA",0.,ycoor, zcoor,idrotm[nrot], "ONLY");
529 gMC->Gspos("FSTR",j+1,"FLTA",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY");
530
531 printf("%f, St. %2i, Pl.3 ",ang*kRaddeg,i);
532 printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
533
b94fa26c 534 ycoor = -hTof/2.+ kspace;//2 cm over front plate
2cef3cb2 535
536 // Plate B
937fe4a4 537
937fe4a4 538 nrot = 0;
539 i=1;
b94fa26c 540 upDown = 1;
541 Float_t deadRegion = 1.0;//cm
2cef3cb2 542
543 zpos = zcoor - (zSenStrip/2)/TMath::Cos(ang)-
b94fa26c 544 upDown*gap*TMath::Tan(ang)-
2cef3cb2 545 (zSenStrip/2)/TMath::Cos(ang)-
b94fa26c 546 deadRegion/TMath::Cos(ang);
2cef3cb2 547
b94fa26c 548 ang = atan(zpos/radius);
2cef3cb2 549 ang *= kRaddeg;
550 AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
551 ang /= kRaddeg;
b94fa26c 552 ycoor = -hTof*0.5+ kspace ; //2 cm over front plate
553 ycoor += (1-(upDown+1)/2)*gap;
2cef3cb2 554 zcoor = zpos+(zFLTA*0.5+zFLTB*0.5+db); // Moves to the system of the modulus FLTB
555 gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
556
557 printf("%f, St. %2i, Pl.4 ",ang*kRaddeg,i);
558 printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
559
560 i++;
b94fa26c 561 upDown*=-1;
937fe4a4 562
563 do {
2cef3cb2 564 zpos = zpos - (zSenStrip/2)/TMath::Cos(ang)-
b94fa26c 565 upDown*gap*TMath::Tan(ang)-
2cef3cb2 566 (zSenStrip/2)/TMath::Cos(ang);
b94fa26c 567 ang = atan(zpos/radius);
2cef3cb2 568 ang *= kRaddeg;
00e5f8d9 569 AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
2cef3cb2 570 ang /= kRaddeg;
b94fa26c 571 ycoor = -hTof*0.5+ kspace ; //2 cm over front plate
572 ycoor += (1-(upDown+1)/2)*gap;
2cef3cb2 573 zcoor = zpos+(zFLTA*0.5+zFLTB*0.5+db); // Moves to the system of the modulus FLTB
574 gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
575
576 printf("%f, St. %2i, Pl.4 ",ang*kRaddeg,i);
577 printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
578
b94fa26c 579 upDown*=-1;
2cef3cb2 580 i++;
581 } while (TMath::Abs(ang*kRaddeg)<22.5);
582 //till we reach a tilting angle of 22.5 degrees
583
b94fa26c 584 ycoor = -hTof*0.5+ kspace ; //2 cm over front plate
2cef3cb2 585 zpos = zpos - zSenStrip/TMath::Cos(ang);
586
587 do {
b94fa26c 588 ang = atan(zpos/radius);
2cef3cb2 589 ang *= kRaddeg;
590 AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
591 ang /= kRaddeg;
592 zcoor = zpos+(zFLTB/2+zFLTA/2+db);
593 gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
594 zpos = zpos - zSenStrip/TMath::Cos(ang);
595 printf("%f, St. %2i, Pl.4 ",ang*kRaddeg,i);
596 printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
597 i++;
598
b94fa26c 599 } while (zpos-stripWidth*0.5/TMath::Cos(ang)>-t+zFLTC+db);
2cef3cb2 600
601 // Plate C
602
603 zpos = zpos + zSenStrip/TMath::Cos(ang);
604
605 zpos = zpos - (zSenStrip/2)/TMath::Cos(ang)+
b94fa26c 606 gap*TMath::Tan(ang)-
2cef3cb2 607 (zSenStrip/2)/TMath::Cos(ang);
608
937fe4a4 609 nrot = 0;
610 i=0;
b94fa26c 611 ycoor= -hTof*0.5+kspace+gap;
937fe4a4 612
2cef3cb2 613 do {
937fe4a4 614 i++;
b94fa26c 615 ang = atan(zpos/radius);
2cef3cb2 616 ang *= kRaddeg;
617 AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
618 ang /= kRaddeg;
619 zcoor = zpos+(zFLTC*0.5+zFLTB+zFLTA*0.5+db*2);
620 gMC->Gspos("FSTR",i, "FLTC", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
621
622 printf("%f, St. %2i, Pl.5 ",ang*kRaddeg,i);
623 printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
937fe4a4 624
937fe4a4 625 zpos = zpos - zSenStrip/TMath::Cos(ang);
b94fa26c 626 } while (zpos-stripWidth*TMath::Cos(ang)*0.5>-t);
2cef3cb2 627
937fe4a4 628
b94fa26c 629////////// Layers after strips /////////////////
630// honeycomb (Polyethilene) Layer after (1.2cm)
937fe4a4 631
b94fa26c 632 Float_t overSpace = fOverSpc;//cm
937fe4a4 633
b94fa26c 634 par[0] = xFLT*0.5;
937fe4a4 635 par[1] = 0.6;
b94fa26c 636 par[2] = (zFLTA *0.5);
637 ycoor = -yFLT/2 + overSpace + par[1];
2cef3cb2 638 gMC->Gsvolu("FPEA", "BOX ", idtmed[503], par, 3); // Hony
639 gMC->Gspos ("FPEA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
b94fa26c 640 par[2] = (zFLTB *0.5);
2cef3cb2 641 gMC->Gsvolu("FPEB", "BOX ", idtmed[503], par, 3); // Hony
642 gMC->Gspos ("FPEB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
b94fa26c 643 par[2] = (zFLTC *0.5);
2cef3cb2 644 gMC->Gsvolu("FPEC", "BOX ", idtmed[503], par, 3); // Hony
645 gMC->Gspos ("FPEC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
937fe4a4 646
647// Electronics (Cu) after
648 ycoor += par[1];
b94fa26c 649 par[0] = xFLT*0.5;
2cef3cb2 650 par[1] = 1.43*0.05*0.5; // 5% of X0
b94fa26c 651 par[2] = (zFLTA *0.5);
937fe4a4 652 ycoor += par[1];
2cef3cb2 653 gMC->Gsvolu("FECA", "BOX ", idtmed[501], par, 3); // Cu
654 gMC->Gspos ("FECA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
b94fa26c 655 par[2] = (zFLTB *0.5);
2cef3cb2 656 gMC->Gsvolu("FECB", "BOX ", idtmed[501], par, 3); // Cu
657 gMC->Gspos ("FECB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
b94fa26c 658 par[2] = (zFLTC *0.5);
2cef3cb2 659 gMC->Gsvolu("FECC", "BOX ", idtmed[501], par, 3); // Cu
660 gMC->Gspos ("FECC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
661
662// cooling WAter after
937fe4a4 663 ycoor += par[1];
b94fa26c 664 par[0] = xFLT*0.5;
2cef3cb2 665 par[1] = 36.1*0.02*0.5; // 2% of X0
b94fa26c 666 par[2] = (zFLTA *0.5);
937fe4a4 667 ycoor += par[1];
2cef3cb2 668 gMC->Gsvolu("FWAA", "BOX ", idtmed[515], par, 3); // Water
669 gMC->Gspos ("FWAA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
b94fa26c 670 par[2] = (zFLTB *0.5);
2cef3cb2 671 gMC->Gsvolu("FWAB", "BOX ", idtmed[515], par, 3); // Water
672 gMC->Gspos ("FWAB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
b94fa26c 673 par[2] = (zFLTC *0.5);
2cef3cb2 674 gMC->Gsvolu("FWAC", "BOX ", idtmed[515], par, 3); // Water
675 gMC->Gspos ("FWAC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
676
b94fa26c 677// frame of Air
678 ycoor += par[1];
679 par[0] = xFLT*0.5;
680 par[1] = (yFLT/2-ycoor-0.2)*0.5; // Aluminum layer considered (0.2 cm)
681 par[2] = (zFLTA *0.5);
682 ycoor += par[1];
683 gMC->Gsvolu("FAIA", "BOX ", idtmed[500], par, 3); // Air
684 gMC->Gspos ("FAIA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
685 par[2] = (zFLTB *0.5);
686 gMC->Gsvolu("FAIB", "BOX ", idtmed[500], par, 3); // Air
687 gMC->Gspos ("FAIB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
688 par[2] = (zFLTC *0.5);
689 gMC->Gsvolu("FAIC", "BOX ", idtmed[500], par, 3); // Air
690 gMC->Gspos ("FAIC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
691/* fp
2cef3cb2 692//Back Plate honycomb (2cm)
3fe3a833 693 par[0] = -1;
2cef3cb2 694 par[1] = 2 *0.5;
3fe3a833 695 par[2] = -1;
937fe4a4 696 ycoor = yFLT/2 - par[1];
2cef3cb2 697 gMC->Gsvolu("FBPA", "BOX ", idtmed[503], par, 3); // Hony
698 gMC->Gspos ("FBPA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
699 gMC->Gsvolu("FBPB", "BOX ", idtmed[503], par, 3); // Hony
700 gMC->Gspos ("FBPB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
701 gMC->Gsvolu("FBPC", "BOX ", idtmed[503], par, 3); // Hony
702 gMC->Gspos ("FBPC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
b94fa26c 703fp */
fe4da5cc 704}
705
706//_____________________________________________________________________________
8f72dc0c 707void AliTOFv3::DrawModule()
fe4da5cc 708{
709 //
937fe4a4 710 // Draw a shaded view of the Time Of Flight version 1
fe4da5cc 711 //
fe4da5cc 712 // Set everything unseen
cfce8870 713 gMC->Gsatt("*", "seen", -1);
fe4da5cc 714 //
715 // Set ALIC mother transparent
cfce8870 716 gMC->Gsatt("ALIC","SEEN",0);
fe4da5cc 717 //
718 // Set the volumes visible
cfce8870 719 gMC->Gsatt("ALIC","SEEN",0);
2cef3cb2 720
721 gMC->Gsatt("FTOA","SEEN",1);
722 gMC->Gsatt("FTOB","SEEN",1);
723 gMC->Gsatt("FTOC","SEEN",1);
724 gMC->Gsatt("FLTA","SEEN",1);
725 gMC->Gsatt("FLTB","SEEN",1);
726 gMC->Gsatt("FLTC","SEEN",1);
727 gMC->Gsatt("FPLA","SEEN",1);
728 gMC->Gsatt("FPLB","SEEN",1);
729 gMC->Gsatt("FPLC","SEEN",1);
730 gMC->Gsatt("FSTR","SEEN",1);
731 gMC->Gsatt("FPEA","SEEN",1);
732 gMC->Gsatt("FPEB","SEEN",1);
733 gMC->Gsatt("FPEC","SEEN",1);
734
735 gMC->Gsatt("FLZ1","SEEN",0);
736 gMC->Gsatt("FLZ2","SEEN",0);
737 gMC->Gsatt("FLZ3","SEEN",0);
738 gMC->Gsatt("FLX1","SEEN",0);
739 gMC->Gsatt("FLX2","SEEN",0);
740 gMC->Gsatt("FLX3","SEEN",0);
741 gMC->Gsatt("FPAD","SEEN",0);
742
cfce8870 743 gMC->Gdopt("hide", "on");
744 gMC->Gdopt("shad", "on");
745 gMC->Gsatt("*", "fill", 7);
746 gMC->SetClipBox(".");
747 gMC->SetClipBox("*", 0, 1000, -1000, 1000, -1000, 1000);
748 gMC->DefaultRange();
749 gMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .02, .02);
750 gMC->Gdhead(1111, "Time Of Flight");
751 gMC->Gdman(18, 4, "MAN");
752 gMC->Gdopt("hide","off");
fe4da5cc 753}
754
755//_____________________________________________________________________________
756void AliTOFv3::CreateMaterials()
757{
758 //
759 // Define materials for the Time Of Flight
760 //
3fe3a833 761 AliTOF::CreateMaterials();
fe4da5cc 762}
763
764//_____________________________________________________________________________
765void AliTOFv3::Init()
766{
767 //
768 // Initialise the detector after the geometry has been defined
769 //
ab76897d 770 printf("**************************************"
771 " TOF "
772 "**************************************\n");
2cef3cb2 773 printf("\n Version 3 of TOF initialing, "
774 "TOF with holes for RICH detector\n");
ab76897d 775
fe4da5cc 776 AliTOF::Init();
ab76897d 777
2cef3cb2 778 fIdFTOA = gMC->VolId("FTOA");
779 fIdFTOB = gMC->VolId("FTOB");
780 fIdFTOC = gMC->VolId("FTOC");
781 fIdFLTA = gMC->VolId("FLTA");
782 fIdFLTB = gMC->VolId("FLTB");
783 fIdFLTC = gMC->VolId("FLTC");
ab76897d 784
785 printf("**************************************"
786 " TOF "
787 "**************************************\n");
fe4da5cc 788}
789
790//_____________________________________________________________________________
791void AliTOFv3::StepManager()
792{
793 //
794 // Procedure called at each step in the Time Of Flight
795 //
0a6d8768 796 TLorentzVector mom, pos;
2cef3cb2 797 Float_t xm[3],pm[3],xpad[3],ppad[3];
798 Float_t hits[13],phi,phid,z;
799 Int_t vol[5];
b94fa26c 800 Int_t sector, plate, padx, padz, strip;
801 Int_t copy, padzid, padxid, stripid, i;
2cef3cb2 802 Int_t *idtmed = fIdtmed->GetArray()-499;
b94fa26c 803 Float_t incidenceAngle;
826b71ec 804
805 if(gMC->GetMedium()==idtmed[513] &&
0a6d8768 806 gMC->IsTrackEntering() && gMC->TrackCharge()
826b71ec 807 && gMC->CurrentVolID(copy)==fIdSens)
2cef3cb2 808 {
809 // getting information about hit volumes
826b71ec 810
b94fa26c 811 padzid=gMC->CurrentVolOffID(2,copy);
812 padz=copy;
826b71ec 813
b94fa26c 814 padxid=gMC->CurrentVolOffID(1,copy);
815 padx=copy;
826b71ec 816
b94fa26c 817 stripid=gMC->CurrentVolOffID(4,copy);
826b71ec 818 strip=copy;
819
0a6d8768 820 gMC->TrackPosition(pos);
821 gMC->TrackMomentum(mom);
826b71ec 822
2cef3cb2 823// Double_t NormPos=1./pos.Rho();
b94fa26c 824 Double_t normMom=1./mom.Rho();
2cef3cb2 825
826// getting the cohordinates in pad ref system
827 xm[0] = (Float_t)pos.X();
828 xm[1] = (Float_t)pos.Y();
829 xm[2] = (Float_t)pos.Z();
830
b94fa26c 831 pm[0] = (Float_t)mom.X()*normMom;
832 pm[1] = (Float_t)mom.Y()*normMom;
833 pm[2] = (Float_t)mom.Z()*normMom;
2cef3cb2 834
835 gMC->Gmtod(xm,xpad,1);
836 gMC->Gmtod(pm,ppad,2);
837
b94fa26c 838 incidenceAngle = TMath::ACos(ppad[1])*kRaddeg;
826b71ec 839
840 z = pos[2];
2cef3cb2 841
842 plate = 0;
843 if (TMath::Abs(z) <= fZlenA*0.5) plate = 3;
844 if (z < (fZlenA*0.5+fZlenB) &&
845 z > fZlenA*0.5) plate = 4;
846 if (z >-(fZlenA*0.5+fZlenB) &&
847 z < -fZlenA*0.5) plate = 2;
848 if (z > (fZlenA*0.5+fZlenB)) plate = 5;
849 if (z <-(fZlenA*0.5+fZlenB)) plate = 1;
850
851 phi = pos.Phi();
852 phid = phi*kRaddeg+180.;
826b71ec 853 sector = Int_t (phid/20.);
854 sector++;
855
0a6d8768 856 for(i=0;i<3;++i) {
2cef3cb2 857 hits[i] = pos[i];
858 hits[i+3] = pm[i];
0a6d8768 859 }
2cef3cb2 860
861 hits[6] = mom.Rho();
862 hits[7] = pos[3];
863 hits[8] = xpad[0];
864 hits[9] = xpad[1];
865 hits[10]= xpad[2];
b94fa26c 866 hits[11]= incidenceAngle;
2cef3cb2 867 hits[12]= gMC->Edep();
868
869 vol[0]= sector;
870 vol[1]= plate;
871 vol[2]= strip;
b94fa26c 872 vol[3]= padx;
873 vol[4]= padz;
2cef3cb2 874
875 AddHit(gAlice->CurrentTrack(),vol, hits);
fe4da5cc 876 }
877}