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d599d913 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///////////////////////////////////////////////////////////////////////////////
18// //
19// Time Of Flight: design of C.Williams
20//
21// This class contains the functions for version 4 of the Time Of Flight //
22// detector. //
23//
24// VERSION WITH 5 MODULES AND TILTED STRIPS
25//
26// FULL COVERAGE VERSION
27//
28// Author:
29// Fabrizio Pierella
30// University of Bologna - Italy
31//
32//
33//Begin_Html
34/*
35<img src="picts/AliTOFv4T0Class.gif">
36*/
37//End_Html
38// //
39///////////////////////////////////////////////////////////////////////////////
40
41#include <iostream.h>
42#include <stdlib.h>
43
44#include "AliTOFv4T0.h"
45#include "TBRIK.h"
46#include "TGeometry.h"
47#include "TNode.h"
48#include <TLorentzVector.h>
49#include "TObject.h"
50#include "AliRun.h"
51#include "AliMC.h"
52#include "AliConst.h"
53
54
55ClassImp(AliTOFv4T0)
56
57//_____________________________________________________________________________
58AliTOFv4T0::AliTOFv4T0()
59{
60 //
61 // Default constructor
62 //
63}
64
65//_____________________________________________________________________________
66AliTOFv4T0::AliTOFv4T0(const char *name, const char *title)
67 : AliTOF(name,title,"tzero")
68{
69 //
70 // Standard constructor
71 //
72 //
73 // Check that FRAME is there otherwise we have no place where to
74 // put TOF
75 AliModule* frame=gAlice->GetModule("FRAME");
76 if(!frame) {
77 Error("Ctor","TOF needs FRAME to be present\n");
78 exit(1);
79 } else
80 if(frame->IsVersion()!=1) {
81 Error("Ctor","FRAME version 1 needed with this version of TOF\n");
82 exit(1);
83 }
84
85}
86
87//____________________________________________________________________________
88
89void AliTOFv4T0::BuildGeometry()
90{
91 //
92 // Build TOF ROOT geometry for the ALICE event display
93 //
94 TNode *node, *top;
95 const int kColorTOF = 27;
96
97 // Find top TNODE
98 top = gAlice->GetGeometry()->GetNode("alice");
99
100 // Position the different copies
101 const Float_t krTof =(fRmax+fRmin)/2;
102 const Float_t khTof = fRmax-fRmin;
103 const Int_t kNTof = fNTof;
104 const Float_t kPi = TMath::Pi();
105 const Float_t kangle = 2*kPi/kNTof;
106 Float_t ang;
107
108 // Define TOF basic volume
109
110 char nodeName0[7], nodeName1[7], nodeName2[7];
111 char nodeName3[7], nodeName4[7], rotMatNum[7];
112
113 new TBRIK("S_TOF_C","TOF box","void",
114 120*0.5,khTof*0.5,fZlenC*0.5);
115 new TBRIK("S_TOF_B","TOF box","void",
116 120*0.5,khTof*0.5,fZlenB*0.5);
117 new TBRIK("S_TOF_A","TOF box","void",
118 120*0.5,khTof*0.5,fZlenA*0.5);
119
120 for (Int_t nodeNum=1;nodeNum<19;nodeNum++){
121
122 if (nodeNum<10) {
123 sprintf(rotMatNum,"rot50%i",nodeNum);
124 sprintf(nodeName0,"FTO00%i",nodeNum);
125 sprintf(nodeName1,"FTO10%i",nodeNum);
126 sprintf(nodeName2,"FTO20%i",nodeNum);
127 sprintf(nodeName3,"FTO30%i",nodeNum);
128 sprintf(nodeName4,"FTO40%i",nodeNum);
129 }
130 if (nodeNum>9) {
131 sprintf(rotMatNum,"rot5%i",nodeNum);
132 sprintf(nodeName0,"FTO0%i",nodeNum);
133 sprintf(nodeName1,"FTO1%i",nodeNum);
134 sprintf(nodeName2,"FTO2%i",nodeNum);
135 sprintf(nodeName3,"FTO3%i",nodeNum);
136 sprintf(nodeName4,"FTO4%i",nodeNum);
137 }
138
139 new TRotMatrix(rotMatNum,rotMatNum,90,-20*nodeNum,90,90-20*nodeNum,0,0);
140 ang = (4.5-nodeNum) * kangle;
141
142 top->cd();
143 node = new TNode(nodeName0,nodeName0,"S_TOF_C",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),299.15,rotMatNum);
144 node->SetLineColor(kColorTOF);
145 fNodes->Add(node);
146
147 top->cd();
148 node = new TNode(nodeName1,nodeName1,"S_TOF_C",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),-299.15,rotMatNum);
149 node->SetLineColor(kColorTOF);
150 fNodes->Add(node);
151
152 top->cd();
153 node = new TNode(nodeName2,nodeName2,"S_TOF_B",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),146.45,rotMatNum);
154 node->SetLineColor(kColorTOF);
155 fNodes->Add(node);
156
157 top->cd();
158 node = new TNode(nodeName3,nodeName3,"S_TOF_B",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),-146.45,rotMatNum);
159 node->SetLineColor(kColorTOF);
160 fNodes->Add(node);
161
162 top->cd();
163 node = new TNode(nodeName4,nodeName4,"S_TOF_A",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),0.,rotMatNum);
164 node->SetLineColor(kColorTOF);
165 fNodes->Add(node);
166 } // end loop on nodeNum
167}
168
169
170
171//_____________________________________________________________________________
172void AliTOFv4T0::CreateGeometry()
173{
174 //
175 // Create geometry for Time Of Flight version 0
176 //
177 //Begin_Html
178 /*
179 <img src="picts/AliTOFv4T0.gif">
180 */
181 //End_Html
182 //
183 // Creates common geometry
184 //
185 AliTOF::CreateGeometry();
186}
187
188//_____________________________________________________________________________
189void AliTOFv4T0::TOFpc(Float_t xtof, Float_t ytof, Float_t zlenC,
190 Float_t zlenB, Float_t zlenA, Float_t ztof0)
191{
192 //
193 // Definition of the Time Of Fligh Resistive Plate Chambers
194 // xFLT, yFLT, zFLT - sizes of TOF modules (large)
195
196 Float_t ycoor, zcoor;
197 Float_t par[3];
198 Int_t *idtmed = fIdtmed->GetArray()-499;
199 Int_t idrotm[100];
200 Int_t nrot = 0;
201 Float_t hTof = fRmax-fRmin;
202
203 Float_t radius = fRmin+2.;//cm
43808676 204
d599d913 205 par[0] = xtof * 0.5;
206 par[1] = ytof * 0.5;
207 par[2] = zlenC * 0.5;
208 gMC->Gsvolu("FTOC", "BOX ", idtmed[506], par, 3);
209 par[2] = zlenB * 0.5;
210 gMC->Gsvolu("FTOB", "BOX ", idtmed[506], par, 3);
211 par[2] = zlenA * 0.5;
212 gMC->Gsvolu("FTOA", "BOX ", idtmed[506], par, 3);
43808676 213
214
215 // Positioning of modules
216
217 Float_t zcor1 = ztof0 - zlenC*0.5;
218 Float_t zcor2 = ztof0 - zlenC - zlenB*0.5;
219 Float_t zcor3 = 0.;
220
221 AliMatrix(idrotm[0], 90., 0., 0., 0., 90,-90.);
222 AliMatrix(idrotm[1], 90.,180., 0., 0., 90, 90.);
223 gMC->Gspos("FTOC", 1, "BTO1", 0, zcor1, 0, idrotm[0], "ONLY");
224 gMC->Gspos("FTOC", 2, "BTO1", 0, -zcor1, 0, idrotm[1], "ONLY");
225 gMC->Gspos("FTOC", 1, "BTO2", 0, zcor1, 0, idrotm[0], "ONLY");
226 gMC->Gspos("FTOC", 2, "BTO2", 0, -zcor1, 0, idrotm[1], "ONLY");
227 gMC->Gspos("FTOC", 1, "BTO3", 0, zcor1, 0, idrotm[0], "ONLY");
228 gMC->Gspos("FTOC", 2, "BTO3", 0, -zcor1, 0, idrotm[1], "ONLY");
229
230 gMC->Gspos("FTOB", 1, "BTO1", 0, zcor2, 0, idrotm[0], "ONLY");
231 gMC->Gspos("FTOB", 2, "BTO1", 0, -zcor2, 0, idrotm[1], "ONLY");
232 gMC->Gspos("FTOB", 1, "BTO2", 0, zcor2, 0, idrotm[0], "ONLY");
233 gMC->Gspos("FTOB", 2, "BTO2", 0, -zcor2, 0, idrotm[1], "ONLY");
234 gMC->Gspos("FTOB", 1, "BTO3", 0, zcor2, 0, idrotm[0], "ONLY");
235 gMC->Gspos("FTOB", 2, "BTO3", 0, -zcor2, 0, idrotm[1], "ONLY");
236
237 gMC->Gspos("FTOA", 0, "BTO1", 0, zcor3, 0, idrotm[0], "ONLY");
238 gMC->Gspos("FTOA", 0, "BTO2", 0, zcor3, 0, idrotm[0], "ONLY");
239 gMC->Gspos("FTOA", 0, "BTO3", 0, zcor3, 0, idrotm[0], "ONLY");
240
d599d913 241 Float_t db = 0.5;//cm
242 Float_t xFLT, xFST, yFLT, zFLTA, zFLTB, zFLTC;
43808676 243
d599d913 244 xFLT = fStripLn;
245 yFLT = ytof;
246 zFLTA = zlenA;
247 zFLTB = zlenB;
248 zFLTC = zlenC;
43808676 249
d599d913 250 xFST = xFLT-fDeadBndX*2;//cm
43808676 251
252 // Sizes of MRPC pads
253
d599d913 254 Float_t yPad = 0.505;//cm
255
43808676 256 // Large not sensitive volumes with Insensitive Freon
d599d913 257 par[0] = xFLT*0.5;
258 par[1] = yFLT*0.5;
259
260 if (fDebug) cout << ClassName() <<
43808676 261 ": ************************* TOF geometry **************************"<<endl;
262
d599d913 263 par[2] = (zFLTA *0.5);
264 gMC->Gsvolu("FLTA", "BOX ", idtmed[512], par, 3); // Insensitive Freon
265 gMC->Gspos ("FLTA", 0, "FTOA", 0., 0., 0., 0, "ONLY");
43808676 266
d599d913 267 par[2] = (zFLTB * 0.5);
268 gMC->Gsvolu("FLTB", "BOX ", idtmed[512], par, 3); // Insensitive Freon
269 gMC->Gspos ("FLTB", 0, "FTOB", 0., 0., 0., 0, "ONLY");
43808676 270
d599d913 271 par[2] = (zFLTC * 0.5);
272 gMC->Gsvolu("FLTC", "BOX ", idtmed[512], par, 3); // Insensitive Freon
273 gMC->Gspos ("FLTC", 0, "FTOC", 0., 0., 0., 0, "ONLY");
43808676 274
275 ///// Layers of Aluminum before and after detector /////
276 ///// Aluminum Box for Modules (1.8 mm thickness) /////
277 ///// lateral walls not simulated for the time being
278 //const Float_t khAlWall = 0.18;
279 // fp to be checked
280 const Float_t khAlWall = 0.11;
d599d913 281 par[0] = xFLT*0.5;
43808676 282 par[1] = khAlWall/2.;//cm
d599d913 283 ycoor = -yFLT/2 + par[1];
284 par[2] = (zFLTA *0.5);
285 gMC->Gsvolu("FALA", "BOX ", idtmed[508], par, 3); // Alluminium
286 gMC->Gspos ("FALA", 1, "FLTA", 0., ycoor, 0., 0, "ONLY");
287 gMC->Gspos ("FALA", 2, "FLTA", 0.,-ycoor, 0., 0, "ONLY");
288 par[2] = (zFLTB *0.5);
289 gMC->Gsvolu("FALB", "BOX ", idtmed[508], par, 3); // Alluminium
290 gMC->Gspos ("FALB", 1, "FLTB", 0., ycoor, 0., 0, "ONLY");
291 gMC->Gspos ("FALB", 2, "FLTB", 0.,-ycoor, 0., 0, "ONLY");
292 par[2] = (zFLTC *0.5);
293 gMC->Gsvolu("FALC", "BOX ", idtmed[508], par, 3); // Alluminium
294 gMC->Gspos ("FALC", 1, "FLTC", 0., ycoor, 0., 0, "ONLY");
295 gMC->Gspos ("FALC", 2, "FLTC", 0.,-ycoor, 0., 0, "ONLY");
296
43808676 297 ///////////////// Detector itself //////////////////////
298
d599d913 299 const Float_t kdeadBound = fDeadBndZ; //cm non-sensitive between the pad edge
43808676 300 //and the boundary of the strip
d599d913 301 const Int_t knx = fNpadX; // number of pads along x
302 const Int_t knz = fNpadZ; // number of pads along z
303 const Float_t kspace = fSpace; //cm distance from the front plate of the box
43808676 304
d599d913 305 Float_t zSenStrip = fZpad*fNpadZ;//cm
306 Float_t stripWidth = zSenStrip + 2*kdeadBound;
43808676 307
d599d913 308 par[0] = xFLT*0.5;
309 par[1] = yPad*0.5;
310 par[2] = stripWidth*0.5;
311
43808676 312 // new description for strip volume -double stack strip-
313 // -- all constants are expressed in cm
314 // heigth of different layers
315 const Float_t khhony = 0.8 ; // heigth of HONY Layer
316 const Float_t khpcby = 0.08 ; // heigth of PCB Layer
d599d913 317 const Float_t khmyly = 0.035 ; // heigth of MYLAR Layer
318 const Float_t khgraphy = 0.02 ; // heigth of GRAPHITE Layer
43808676 319 const Float_t khglasseiy = 0.135; // 0.6 Ext. Glass + 1.1 i.e. (Int. Glass/2) (mm)
d599d913 320 const Float_t khsensmy = 0.11 ; // heigth of Sensitive Freon Mixture
321 const Float_t kwsensmz = 2*3.5 ; // cm
322 const Float_t klsensmx = 48*2.5; // cm
323 const Float_t kwpadz = 3.5; // cm z dimension of the FPAD volume
324 const Float_t klpadx = 2.5; // cm x dimension of the FPAD volume
325
326 // heigth of the FSTR Volume (the strip volume)
327 const Float_t khstripy = 2*khhony+3*khpcby+4*(khmyly+khgraphy+khglasseiy)+2*khsensmy;
328 // width of the FSTR Volume (the strip volume)
329 const Float_t kwstripz = 10.;
330 // length of the FSTR Volume (the strip volume)
331 const Float_t klstripx = 122.;
332
333 Float_t parfp[3]={klstripx*0.5,khstripy*0.5,kwstripz*0.5};
43808676 334 // coordinates of the strip center in the strip reference frame; used for positioning
335 // internal strip volumes
d599d913 336 Float_t posfp[3]={0.,0.,0.};
43808676 337
d599d913 338
339 // FSTR volume definition and filling this volume with non sensitive Gas Mixture
340 gMC->Gsvolu("FSTR","BOX",idtmed[512],parfp,3);
341 //-- HONY Layer definition
43808676 342 // parfp[0] = -1;
d599d913 343 parfp[1] = khhony*0.5;
43808676 344 // parfp[2] = -1;
d599d913 345 gMC->Gsvolu("FHON","BOX",idtmed[503],parfp,3);
346 // positioning 2 HONY Layers on FSTR volume
43808676 347
d599d913 348 posfp[1]=-khstripy*0.5+parfp[1];
349 gMC->Gspos("FHON",1,"FSTR",0., posfp[1],0.,0,"ONLY");
350 gMC->Gspos("FHON",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
43808676 351
d599d913 352 //-- PCB Layer definition
353 parfp[1] = khpcby*0.5;
354 gMC->Gsvolu("FPCB","BOX",idtmed[504],parfp,3);
355 // positioning 2 PCB Layers on FSTR volume
356 posfp[1]=-khstripy*0.5+khhony+parfp[1];
357 gMC->Gspos("FPCB",1,"FSTR",0., posfp[1],0.,0,"ONLY");
358 gMC->Gspos("FPCB",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
359 // positioning the central PCB layer
360 gMC->Gspos("FPCB",3,"FSTR",0.,0.,0.,0,"ONLY");
43808676 361
362
363
d599d913 364 //-- MYLAR Layer definition
365 parfp[1] = khmyly*0.5;
366 gMC->Gsvolu("FMYL","BOX",idtmed[511],parfp,3);
367 // positioning 2 MYLAR Layers on FSTR volume
368 posfp[1] = -khstripy*0.5+khhony+khpcby+parfp[1];
369 gMC->Gspos("FMYL",1,"FSTR",0., posfp[1],0.,0,"ONLY");
370 gMC->Gspos("FMYL",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
371 // adding further 2 MYLAR Layers on FSTR volume
372 posfp[1] = khpcby*0.5+parfp[1];
373 gMC->Gspos("FMYL",3,"FSTR",0., posfp[1],0.,0,"ONLY");
374 gMC->Gspos("FMYL",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
43808676 375
376
d599d913 377 //-- Graphite Layer definition
378 parfp[1] = khgraphy*0.5;
379 gMC->Gsvolu("FGRP","BOX",idtmed[502],parfp,3);
380 // positioning 2 Graphite Layers on FSTR volume
381 posfp[1] = -khstripy*0.5+khhony+khpcby+khmyly+parfp[1];
382 gMC->Gspos("FGRP",1,"FSTR",0., posfp[1],0.,0,"ONLY");
383 gMC->Gspos("FGRP",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
384 // adding further 2 Graphite Layers on FSTR volume
385 posfp[1] = khpcby*0.5+khmyly+parfp[1];
386 gMC->Gspos("FGRP",3,"FSTR",0., posfp[1],0.,0,"ONLY");
387 gMC->Gspos("FGRP",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
43808676 388
389
d599d913 390 //-- Glass (EXT. +Semi INT.) Layer definition
391 parfp[1] = khglasseiy*0.5;
392 gMC->Gsvolu("FGLA","BOX",idtmed[514],parfp,3);
393 // positioning 2 Glass Layers on FSTR volume
394 posfp[1] = -khstripy*0.5+khhony+khpcby+khmyly+khgraphy+parfp[1];
395 gMC->Gspos("FGLA",1,"FSTR",0., posfp[1],0.,0,"ONLY");
396 gMC->Gspos("FGLA",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
397 // adding further 2 Glass Layers on FSTR volume
398 posfp[1] = khpcby*0.5+khmyly+khgraphy+parfp[1];
399 gMC->Gspos("FGLA",3,"FSTR",0., posfp[1],0.,0,"ONLY");
400 gMC->Gspos("FGLA",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
43808676 401
d599d913 402
403 //-- Sensitive Mixture Layer definition
404 parfp[0] = klsensmx*0.5;
405 parfp[1] = khsensmy*0.5;
406 parfp[2] = kwsensmz*0.5;
407 gMC->Gsvolu("FSEN","BOX",idtmed[513],parfp,3);
408 gMC->Gsvolu("FNSE","BOX",idtmed[512],parfp,3);
409 // positioning 2 gas Layers on FSTR volume
410 // the upper is insensitive freon
411 // while the remaining is sensitive
412 posfp[1] = khpcby*0.5+khmyly+khgraphy+khglasseiy+parfp[1];
413 gMC->Gspos("FNSE",0,"FSTR", 0., posfp[1],0.,0,"ONLY");
414 gMC->Gspos("FSEN",0,"FSTR", 0.,-posfp[1],0.,0,"ONLY");
43808676 415
d599d913 416 // dividing FSEN along z in knz=2 and along x in knx=48
417 gMC->Gsdvn("FSEZ","FSEN",knz,3);
418 gMC->Gsdvn("FSEX","FSEZ",knx,1);
419
420 // FPAD volume definition
421 parfp[0] = klpadx*0.5;
422 parfp[1] = khsensmy*0.5;
423 parfp[2] = kwpadz*0.5;
424 gMC->Gsvolu("FPAD","BOX",idtmed[513],parfp,3);
425 // positioning the FPAD volumes on previous divisions
426 gMC->Gspos("FPAD",0,"FSEX",0.,0.,0.,0,"ONLY");
427
43808676 428 //// Positioning the Strips (FSTR) in the FLT volumes /////
429
d599d913 430 // Plate A (Central)
431
432 Float_t t = zFLTC+zFLTB+zFLTA*0.5+ 2*db;//Half Width of Barrel
43808676 433
b213b8bd 434 Float_t gap = fGapA+0.5; //cm updated distance between the strip axis
d599d913 435 Float_t zpos = 0;
436 Float_t ang = 0;
437 Int_t i=1,j=1;
438 nrot = 0;
439 zcoor = 0;
440 ycoor = -14.5 + kspace ; //2 cm over front plate
43808676 441
d599d913 442 AliMatrix (idrotm[0], 90., 0.,90.,90.,0., 90.);
443 gMC->Gspos("FSTR",j,"FLTA",0.,ycoor, 0.,idrotm[0],"ONLY");
444 if(fDebug) {
43808676 445 printf("%s: %f, St. %2i, Pl.3 ",ClassName(),ang*kRaddeg,i);
446 printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
d599d913 447 }
448 zcoor -= zSenStrip;
449 j++;
450 Int_t upDown = -1; // upDown=-1 -> Upper strip
43808676 451 // upDown=+1 -> Lower strip
d599d913 452 do{
43808676 453 ang = atan(zcoor/radius);
454 ang *= kRaddeg;
455 AliMatrix (idrotm[nrot], 90., 0.,90.-ang,90.,-ang, 90.);
456 AliMatrix (idrotm[nrot+1],90.,180.,90.+ang,90., ang, 90.);
457 ang /= kRaddeg;
458 ycoor = -14.5+ kspace; //2 cm over front plate
459 ycoor += (1-(upDown+1)/2)*gap;
460 gMC->Gspos("FSTR",j ,"FLTA",0.,ycoor, zcoor,idrotm[nrot], "ONLY");
461 gMC->Gspos("FSTR",j+1,"FLTA",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY");
462 if(fDebug) {
463 printf("%s: %f, St. %2i, Pl.3 ",ClassName(),ang*kRaddeg,i);
464 printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
465 }
466 j += 2;
467 upDown*= -1; // Alternate strips
468 zcoor = zcoor-(zSenStrip/2)/TMath::Cos(ang)-
469 upDown*gap*TMath::Tan(ang)-
470 (zSenStrip/2)/TMath::Cos(ang);
d599d913 471 } while (zcoor-(stripWidth/2)*TMath::Cos(ang)>-t+zFLTC+zFLTB+db*2);
472
473 zcoor = zcoor+(zSenStrip/2)/TMath::Cos(ang)+
43808676 474 upDown*gap*TMath::Tan(ang)+
475 (zSenStrip/2)/TMath::Cos(ang);
476
d599d913 477 gap = fGapB;
478 zcoor = zcoor-(zSenStrip/2)/TMath::Cos(ang)-
43808676 479 upDown*gap*TMath::Tan(ang)-
480 (zSenStrip/2)/TMath::Cos(ang);
481
d599d913 482 ang = atan(zcoor/radius);
483 ang *= kRaddeg;
484 AliMatrix (idrotm[nrot], 90., 0.,90.-ang,90.,-ang, 90.);
485 AliMatrix (idrotm[nrot+1],90.,180.,90.+ang,90., ang, 90.);
486 ang /= kRaddeg;
43808676 487
d599d913 488 ycoor = -14.5+ kspace; //2 cm over front plate
489 ycoor += (1-(upDown+1)/2)*gap;
490 gMC->Gspos("FSTR",j ,"FLTA",0.,ycoor, zcoor,idrotm[nrot], "ONLY");
491 gMC->Gspos("FSTR",j+1,"FLTA",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY");
492 if(fDebug) {
43808676 493 printf("%s: %f, St. %2i, Pl.3 ",ClassName(),ang*kRaddeg,i);
494 printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
d599d913 495 }
496 ycoor = -hTof/2.+ kspace;//2 cm over front plate
43808676 497
d599d913 498 // Plate B
43808676 499
d599d913 500 nrot = 0;
501 i=1;
502 upDown = 1;
503 Float_t deadRegion = 1.0;//cm
504
505 zpos = zcoor - (zSenStrip/2)/TMath::Cos(ang)-
43808676 506 upDown*gap*TMath::Tan(ang)-
507 (zSenStrip/2)/TMath::Cos(ang)-
508 deadRegion/TMath::Cos(ang);
509
d599d913 510 ang = atan(zpos/radius);
511 ang *= kRaddeg;
512 AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
513 ang /= kRaddeg;
514 ycoor = -hTof*0.5+ kspace ; //2 cm over front plate
515 ycoor += (1-(upDown+1)/2)*gap;
516 zcoor = zpos+(zFLTA*0.5+zFLTB*0.5+db); // Moves to the system of the modulus FLTB
517 gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
518 if(fDebug) {
43808676 519 printf("%s: %f, St. %2i, Pl.4 ",ClassName(),ang*kRaddeg,i);
520 printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
d599d913 521 }
522 i++;
523 upDown*=-1;
43808676 524
d599d913 525 do {
43808676 526 zpos = zpos - (zSenStrip/2)/TMath::Cos(ang)-
527 upDown*gap*TMath::Tan(ang)-
528 (zSenStrip/2)/TMath::Cos(ang);
529 ang = atan(zpos/radius);
530 ang *= kRaddeg;
531 AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
532 ang /= kRaddeg;
533 Float_t deltaSpaceinB=-0.5; // [cm] to avoid overlaps with the end of freon frame
534 Float_t deltaGapinB=0.5; // [cm] to avoid overlaps in between initial strips
535 ycoor = -hTof*0.5+ kspace+deltaSpaceinB ; //2 cm over front plate
536 ycoor += (1-(upDown+1)/2)*(gap+deltaGapinB);
537 zcoor = zpos+(zFLTA*0.5+zFLTB*0.5+db); // Moves to the system of the modulus FLTB
538 gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
539 if(fDebug) {
540 printf("%s: %f, St. %2i, Pl.4 ",ClassName(),ang*kRaddeg,i);
541 printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
542 }
543 upDown*=-1;
544 i++;
d599d913 545 } while (TMath::Abs(ang*kRaddeg)<22.5);
546 //till we reach a tilting angle of 22.5 degrees
43808676 547
d599d913 548 ycoor = -hTof*0.5+ kspace ; //2 cm over front plate
549 zpos = zpos - zSenStrip/TMath::Cos(ang);
b213b8bd 550 // this avoid overlaps in between outer strips in plate B
551 Float_t deltaMovingUp=0.8; // [cm]
552 Float_t deltaMovingDown=-0.5; // [cm]
43808676 553
d599d913 554 do {
43808676 555 ang = atan(zpos/radius);
556 ang *= kRaddeg;
557 AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
558 ang /= kRaddeg;
559 zcoor = zpos+(zFLTB/2+zFLTA/2+db);
560 gMC->Gspos("FSTR",i, "FLTB", 0., ycoor+deltaMovingDown+deltaMovingUp, zcoor,idrotm[nrot], "ONLY");
561 deltaMovingUp+=0.8; // update delta moving toward the end of the plate
562 zpos = zpos - zSenStrip/TMath::Cos(ang);
563 if(fDebug) {
564 printf("%s: %f, St. %2i, Pl.4 ",ClassName(),ang*kRaddeg,i);
565 printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
566 }
567 i++;
568
d599d913 569 } while (zpos-stripWidth*0.5/TMath::Cos(ang)>-t+zFLTC+db);
43808676 570
d599d913 571 // Plate C
572
573 zpos = zpos + zSenStrip/TMath::Cos(ang);
43808676 574
d599d913 575 zpos = zpos - (zSenStrip/2)/TMath::Cos(ang)+
43808676 576 gap*TMath::Tan(ang)-
577 (zSenStrip/2)/TMath::Cos(ang);
578
d599d913 579 nrot = 0;
580 i=0;
b213b8bd 581 Float_t deltaGap=-2.5; // [cm] update distance from strip center and plate
582 ycoor= -hTof*0.5+kspace+gap+deltaGap;
43808676 583
d599d913 584 do {
43808676 585 i++;
586 ang = atan(zpos/radius);
587 ang *= kRaddeg;
588 AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
589 ang /= kRaddeg;
590 zcoor = zpos+(zFLTC*0.5+zFLTB+zFLTA*0.5+db*2);
591 gMC->Gspos("FSTR",i, "FLTC", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
592 if(fDebug) {
593 printf("%s: %f, St. %2i, Pl.5 ",ClassName(),ang*kRaddeg,i);
594 printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
d599d913 595 }
43808676 596 zpos = zpos - zSenStrip/TMath::Cos(ang);
d599d913 597 } while (zpos-stripWidth*TMath::Cos(ang)*0.5>-t);
598
43808676 599
600 ////////// Layers after strips /////////////////
601 // Al Layer thickness (2.3mm) factor 0.7
602
d599d913 603 Float_t overSpace = fOverSpc;//cm
43808676 604
d599d913 605 par[0] = xFLT*0.5;
43808676 606 par[1] = 0.115*0.7; // factor 0.7
d599d913 607 par[2] = (zFLTA *0.5);
608 ycoor = -yFLT/2 + overSpace + par[1];
43808676 609 gMC->Gsvolu("FPEA", "BOX ", idtmed[508], par, 3); // Al
d599d913 610 gMC->Gspos ("FPEA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
611 par[2] = (zFLTB *0.5);
43808676 612 gMC->Gsvolu("FPEB", "BOX ", idtmed[508], par, 3); // Al
d599d913 613 gMC->Gspos ("FPEB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
614 par[2] = (zFLTC *0.5);
43808676 615 gMC->Gsvolu("FPEC", "BOX ", idtmed[508], par, 3); // Al
d599d913 616 gMC->Gspos ("FPEC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
43808676 617
618
619 // plexiglass thickness: 1.5 mm ; factor 0.3
d599d913 620 ycoor += par[1];
621 par[0] = xFLT*0.5;
43808676 622 par[1] = 0.075*0.3; // factor 0.3
d599d913 623 par[2] = (zFLTA *0.5);
624 ycoor += par[1];
43808676 625 gMC->Gsvolu("FECA", "BOX ", idtmed[505], par, 3); // Plexigl.
d599d913 626 gMC->Gspos ("FECA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
627 par[2] = (zFLTB *0.5);
43808676 628 gMC->Gsvolu("FECB", "BOX ", idtmed[505], par, 3); // Plexigl.
d599d913 629 gMC->Gspos ("FECB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
630 par[2] = (zFLTC *0.5);
43808676 631 gMC->Gsvolu("FECC", "BOX ", idtmed[505], par, 3); // Plexigl.
d599d913 632 gMC->Gspos ("FECC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
43808676 633
634 // frame of Air
d599d913 635 ycoor += par[1];
636 par[0] = xFLT*0.5;
43808676 637 par[1] = (yFLT/2-ycoor-khAlWall)*0.5; // Aluminum layer considered (0.18 cm)
d599d913 638 par[2] = (zFLTA *0.5);
639 ycoor += par[1];
640 gMC->Gsvolu("FAIA", "BOX ", idtmed[500], par, 3); // Air
641 gMC->Gspos ("FAIA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
642 par[2] = (zFLTB *0.5);
643 gMC->Gsvolu("FAIB", "BOX ", idtmed[500], par, 3); // Air
644 gMC->Gspos ("FAIB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
645 par[2] = (zFLTC *0.5);
646 gMC->Gsvolu("FAIC", "BOX ", idtmed[500], par, 3); // Air
647 gMC->Gspos ("FAIC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
43808676 648
649
650 // start with cards and cooling tubes
651 // finally, cards, cooling tubes and layer for thermal dispersion
652 // 3 volumes
653 // card volume definition
654
655 // see GEOM200 in GEANT manual
656 AliMatrix(idrotm[98], 90., 0., 90., 90., 0., 0.); // 0 deg
657
658 Float_t cardpar[3];
659 cardpar[0]= 61.;
660 cardpar[1]= 5.;
661 cardpar[2]= 0.1;
662 gMC->Gsvolu("FCAR", "BOX ", idtmed[504], cardpar, 3); // PCB Card
663 //alu plate volume definition
664 cardpar[1]= 3.5;
665 cardpar[2]= 0.05;
666 gMC->Gsvolu("FALP", "BOX ", idtmed[508], cardpar, 3); // Alu Plate
667
668
669 // central module positioning (FAIA)
670 Float_t cardpos[3], aplpos2, stepforcardA=6.625;
671 cardpos[0]= 0.;
672 cardpos[1]= -0.5;
673 cardpos[2]= -53.;
674 Float_t aplpos1 = -2.;
675 Int_t icard;
676 for (icard=0; icard<15; ++icard) {
677 cardpos[2]= cardpos[2]+stepforcardA;
678 aplpos2 = cardpos[2]+0.15;
679 gMC->Gspos("FCAR",icard,"FAIA",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY");
680 gMC->Gspos("FALP",icard,"FAIA",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
681
682 }
683
684
685 // intermediate module positioning (FAIB)
686 Float_t stepforcardB= 7.05;
687 cardpos[2]= -70.5;
688 for (icard=0; icard<19; ++icard) {
689 cardpos[2]= cardpos[2]+stepforcardB;
690 aplpos2 = cardpos[2]+0.15;
691 gMC->Gspos("FCAR",icard,"FAIB",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY");
692 gMC->Gspos("FALP",icard,"FAIB",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
693 }
694
695
696 // outer module positioning (FAIC)
697 Float_t stepforcardC= 8.45238;
698 cardpos[2]= -88.75;
699 for (icard=0; icard<20; ++icard) {
700 cardpos[2]= cardpos[2]+stepforcardC;
701 aplpos2 = cardpos[2]+0.15;
702 gMC->Gspos("FCAR",icard,"FAIC",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY");
703 gMC->Gspos("FALP",icard,"FAIC",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
704 }
705
706 // tube volume definition
707 Float_t tubepar[3];
708 tubepar[0]= 0.;
709 tubepar[1]= 0.4;
710 tubepar[2]= 61.;
711 gMC->Gsvolu("FTUB", "TUBE", idtmed[516], tubepar, 3); // cooling tubes (steel)
712 tubepar[0]= 0.;
713 tubepar[1]= 0.35;
714 tubepar[2]= 61.;
715 gMC->Gsvolu("FITU", "TUBE", idtmed[515], tubepar, 3); // cooling water
716 // positioning water tube into the steel one
717 gMC->Gspos("FITU",1,"FTUB",0.,0.,0.,0,"ONLY");
718
719
720 // rotation matrix
721 AliMatrix(idrotm[99], 180., 90., 90., 90., 90., 0.);
722 // central module positioning (FAIA)
723 Float_t tubepos[3], tdis=0.6;
724 tubepos[0]= 0.;
725 tubepos[1]= cardpos[1];
726 tubepos[2]= -53.+tdis;
727 // tub1pos = 5.;
728 Int_t itub;
729 for (itub=0; itub<15; ++itub) {
730 tubepos[2]= tubepos[2]+stepforcardA;
731 gMC->Gspos("FTUB",itub,"FAIA",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
732 "ONLY");
733 }
734
735
736 // intermediate module positioning (FAIB)
737 tubepos[2]= -70.5+tdis;
738 for (itub=0; itub<19; ++itub) {
739 tubepos[2]= tubepos[2]+stepforcardB;
740 gMC->Gspos("FTUB",itub,"FAIB",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
741 "ONLY");
742 }
743
744 // outer module positioning (FAIC)
745 tubepos[2]= -88.75+tdis;
746 for (itub=0; itub<20; ++itub) {
747 tubepos[2]= tubepos[2]+stepforcardC;
748 gMC->Gspos("FTUB",itub,"FAIC",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
749 "ONLY");
750 }
751
d599d913 752}
753
754//_____________________________________________________________________________
755void AliTOFv4T0::DrawModule() const
756{
757 //
758 // Draw a shaded view of the Time Of Flight version 4
759 //
760 // Set everything unseen
761 gMC->Gsatt("*", "seen", -1);
762 //
763 // Set ALIC mother transparent
764 gMC->Gsatt("ALIC","SEEN",0);
765 //
766 // Set the volumes visible
767 gMC->Gsatt("ALIC","SEEN",0);
768
769 gMC->Gsatt("FTOA","SEEN",1);
770 gMC->Gsatt("FTOB","SEEN",1);
771 gMC->Gsatt("FTOC","SEEN",1);
772 gMC->Gsatt("FLTA","SEEN",1);
773 gMC->Gsatt("FLTB","SEEN",1);
774 gMC->Gsatt("FLTC","SEEN",1);
775 gMC->Gsatt("FPLA","SEEN",1);
776 gMC->Gsatt("FPLB","SEEN",1);
777 gMC->Gsatt("FPLC","SEEN",1);
778 gMC->Gsatt("FSTR","SEEN",1);
779 gMC->Gsatt("FPEA","SEEN",1);
780 gMC->Gsatt("FPEB","SEEN",1);
781 gMC->Gsatt("FPEC","SEEN",1);
782
783 gMC->Gsatt("FLZ1","SEEN",0);
784 gMC->Gsatt("FLZ2","SEEN",0);
785 gMC->Gsatt("FLZ3","SEEN",0);
786 gMC->Gsatt("FLX1","SEEN",0);
787 gMC->Gsatt("FLX2","SEEN",0);
788 gMC->Gsatt("FLX3","SEEN",0);
789 gMC->Gsatt("FPAD","SEEN",0);
790
791 gMC->Gdopt("hide", "on");
792 gMC->Gdopt("shad", "on");
793 gMC->Gsatt("*", "fill", 7);
794 gMC->SetClipBox(".");
795 gMC->SetClipBox("*", 0, 1000, -1000, 1000, -1000, 1000);
796 gMC->DefaultRange();
797 gMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .02, .02);
798 gMC->Gdhead(1111, "Time Of Flight");
799 gMC->Gdman(18, 4, "MAN");
800 gMC->Gdopt("hide","off");
801}
802//_____________________________________________________________________________
803void AliTOFv4T0::DrawDetectorModules()
804{
805//
806// Draw a shaded view of the TOF detector version 4
807//
808
809 AliMC* pMC = AliMC::GetMC();
810
811//Set ALIC mother transparent
812 pMC->Gsatt("ALIC","SEEN",0);
813
814//
815//Set volumes visible
816//
817//=====> Level 1
818 // Level 1 for TOF volumes
819 gMC->Gsatt("B077","seen",0);
820
821
822//==========> Level 2
823 // Level 2
824 gMC->Gsatt("B076","seen",-1); // all B076 sub-levels skipped -
825 gMC->Gsatt("B071","seen",0);
826 gMC->Gsatt("B074","seen",0);
827 gMC->Gsatt("B075","seen",0);
828 gMC->Gsatt("B080","seen",0); // B080 does not has sub-level
829
830
831 // Level 2 of B071
832 gMC->Gsatt("B063","seen",-1); // all B063 sub-levels skipped -
833 gMC->Gsatt("B065","seen",-1); // all B065 sub-levels skipped -
834 gMC->Gsatt("B067","seen",-1); // all B067 sub-levels skipped -
835 gMC->Gsatt("B069","seen",-1); // all B069 sub-levels skipped -
836 gMC->Gsatt("B056","seen",0); // B056 does not has sub-levels -
837 gMC->Gsatt("B059","seen",-1); // all B059 sub-levels skipped -
838 gMC->Gsatt("B072","seen",-1); // all B072 sub-levels skipped -
839 gMC->Gsatt("BTR1","seen",0); // BTR1 do not have sub-levels -
840 gMC->Gsatt("BTO1","seen",0);
841
842
843 // Level 2 of B074
844 gMC->Gsatt("BTR2","seen",0); // BTR2 does not has sub-levels -
845 gMC->Gsatt("BTO2","seen",0);
846
847 // Level 2 of B075
848 gMC->Gsatt("BTR3","seen",0); // BTR3 do not have sub-levels -
849 gMC->Gsatt("BTO3","seen",0);
850
851// ==================> Level 3
852 // Level 3 of B071 / Level 2 of BTO1
853 gMC->Gsatt("FTOC","seen",-2);
854 gMC->Gsatt("FTOB","seen",-2);
855 gMC->Gsatt("FTOA","seen",-2);
856
857 // Level 3 of B074 / Level 2 of BTO2
858 // -> cfr previous settings
859
860 // Level 3 of B075 / Level 2 of BTO3
861 // -> cfr previous settings
862
863 gMC->Gdopt("hide","on");
864 gMC->Gdopt("shad","on");
865 gMC->Gsatt("*", "fill", 5);
866 gMC->SetClipBox(".");
867 gMC->SetClipBox("*", 0, 1000, 0, 1000, 0, 1000);
868 gMC->DefaultRange();
869 gMC->Gdraw("alic", 45, 40, 0, 10, 10, .015, .015);
870 gMC->Gdhead(1111,"TOF detector V1");
871 gMC->Gdman(18, 4, "MAN");
872 gMC->Gdopt("hide","off");
873}
874
875//_____________________________________________________________________________
876void AliTOFv4T0::DrawDetectorStrips()
877{
878 //
879 // Draw a shaded view of the TOF strips for version 4
880 //
881
882 AliMC* pMC = AliMC::GetMC();
883
884 //Set ALIC mother transparent
885 pMC->Gsatt("ALIC","SEEN",0);
886
887 //
888 //Set volumes visible
889 //=====> Level 1
890 // Level 1 for TOF volumes
891 gMC->Gsatt("B077","seen",0);
892
893 //==========> Level 2
894 // Level 2
895 gMC->Gsatt("B076","seen",-1); // all B076 sub-levels skipped -
896 gMC->Gsatt("B071","seen",0);
897 gMC->Gsatt("B074","seen",0);
898 gMC->Gsatt("B075","seen",0);
899 gMC->Gsatt("B080","seen",0); // B080 does not has sub-level
900
901 // Level 2 of B071
902 gMC->Gsatt("B063","seen",-1); // all B063 sub-levels skipped -
903 gMC->Gsatt("B065","seen",-1); // all B065 sub-levels skipped -
904 gMC->Gsatt("B067","seen",-1); // all B067 sub-levels skipped -
905 gMC->Gsatt("B069","seen",-1); // all B069 sub-levels skipped -
906 gMC->Gsatt("B056","seen",0); // B056 does not has sub-levels -
907 gMC->Gsatt("B059","seen",-1); // all B059 sub-levels skipped -
908 gMC->Gsatt("B072","seen",-1); // all B072 sub-levels skipped -
909 gMC->Gsatt("BTR1","seen",0); // BTR1 do not have sub-levels -
910 gMC->Gsatt("BTO1","seen",0);
911
912 // ==================> Level 3
913 // Level 3 of B071 / Level 2 of BTO1
914 gMC->Gsatt("FTOC","seen",0);
915 gMC->Gsatt("FTOB","seen",0);
916 gMC->Gsatt("FTOA","seen",0);
917
918 // Level 3 of B074 / Level 2 of BTO2
919 // -> cfr previous settings
920
921 // Level 3 of B075 / Level 2 of BTO3
922 // -> cfr previous settings
923
924
925 // ==========================> Level 4
926 // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOC
927 gMC->Gsatt("FLTC","seen",0);
928 // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOB
929 gMC->Gsatt("FLTB","seen",0);
930 // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOA
931 gMC->Gsatt("FLTA","seen",0);
932
933 // Level 4 of B074 / Level 3 of BTO2 / Level 2 of FTOC
934 // -> cfr previous settings
935 // Level 4 of B074 / Level 3 of BTO2 / Level 2 of FTOB
936 // -> cfr previous settings
937
938 // Level 4 of B075 / Level 3 of BTO3 / Level 2 of FTOC
939 // -> cfr previous settings
940
941 //======================================> Level 5
942 // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOC / Level 2 of FLTC
943 gMC->Gsatt("FALC","seen",0); // no children for FALC
944 gMC->Gsatt("FSTR","seen",-2);
945 gMC->Gsatt("FPEC","seen",0); // no children for FPEC
946 gMC->Gsatt("FECC","seen",0); // no children for FECC
947 gMC->Gsatt("FWAC","seen",0); // no children for FWAC
948 gMC->Gsatt("FAIC","seen",0); // no children for FAIC
949
950 // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOB / Level 2 of FLTB
951 gMC->Gsatt("FALB","seen",0); // no children for FALB
952 //--> gMC->Gsatt("FSTR","seen",-2);
953
954
955 // -> cfr previous settings
956 gMC->Gsatt("FPEB","seen",0); // no children for FPEB
957 gMC->Gsatt("FECB","seen",0); // no children for FECB
958 gMC->Gsatt("FWAB","seen",0); // no children for FWAB
959 gMC->Gsatt("FAIB","seen",0); // no children for FAIB
960
961 // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOA / Level 2 of FLTA
962 gMC->Gsatt("FALA","seen",0); // no children for FALB
963 //--> gMC->Gsatt("FSTR","seen",-2);
964 // -> cfr previous settings
965 gMC->Gsatt("FPEA","seen",0); // no children for FPEA
966 gMC->Gsatt("FECA","seen",0); // no children for FECA
967 gMC->Gsatt("FWAA","seen",0); // no children for FWAA
968 gMC->Gsatt("FAIA","seen",0); // no children for FAIA
969
970 // Level 2 of B074
971 gMC->Gsatt("BTR2","seen",0); // BTR2 does not has sub-levels -
972 gMC->Gsatt("BTO2","seen",0);
973
974 // Level 2 of B075
975 gMC->Gsatt("BTR3","seen",0); // BTR3 do not have sub-levels -
976 gMC->Gsatt("BTO3","seen",0);
977
978 // for others Level 5, cfr. previous settings
979
980 gMC->Gdopt("hide","on");
981 gMC->Gdopt("shad","on");
982 gMC->Gsatt("*", "fill", 5);
983 gMC->SetClipBox(".");
984 gMC->SetClipBox("*", 0, 1000, 0, 1000, 0, 1000);
985 gMC->DefaultRange();
986 gMC->Gdraw("alic", 45, 40, 0, 10, 10, .015, .015);
987 gMC->Gdhead(1111,"TOF Strips V1");
988 gMC->Gdman(18, 4, "MAN");
989 gMC->Gdopt("hide","off");
990}
991
992//_____________________________________________________________________________
993void AliTOFv4T0::CreateMaterials()
994{
995 //
996 // Define materials for the Time Of Flight
997 //
998 AliTOF::CreateMaterials();
999}
1000
1001//_____________________________________________________________________________
1002void AliTOFv4T0::Init()
1003{
1004 //
1005 // Initialise the detector after the geometry has been defined
1006 //
1007 if(fDebug) {
1008 printf("%s: **************************************"
1009 " TOF "
1010 "**************************************\n",ClassName());
1011 printf("\n%s: Version 4 of TOF initialing, "
1012 "symmetric TOF - Full Coverage version\n",ClassName());
1013 }
1014
1015 AliTOF::Init();
1016
1017 fIdFTOA = gMC->VolId("FTOA");
1018 fIdFTOB = gMC->VolId("FTOB");
1019 fIdFTOC = gMC->VolId("FTOC");
1020 fIdFLTA = gMC->VolId("FLTA");
1021 fIdFLTB = gMC->VolId("FLTB");
1022 fIdFLTC = gMC->VolId("FLTC");
1023
1024 if(fDebug) {
1025 printf("%s: **************************************"
1026 " TOF "
1027 "**************************************\n",ClassName());
1028 }
1029}
1030
1031//_____________________________________________________________________________
1032void AliTOFv4T0::StepManager()
1033{
1034 //
1035 // Procedure called at each step in the Time Of Flight
1036 //
1037 TLorentzVector mom, pos;
1038 Float_t xm[3],pm[3],xpad[3],ppad[3];
1039 Float_t hits[14],phi,phid,z;
1040 Int_t vol[5];
1041 Int_t sector, plate, padx, padz, strip;
1042 Int_t copy, padzid, padxid, stripid, i;
1043 Int_t *idtmed = fIdtmed->GetArray()-499;
1044 Float_t incidenceAngle;
1045
1046 if(gMC->GetMedium()==idtmed[513] &&
1047 gMC->IsTrackEntering() && gMC->TrackCharge()
1048 && gMC->CurrentVolID(copy)==fIdSens)
1049 {
1050 // getting information about hit volumes
1051
1052 padzid=gMC->CurrentVolOffID(2,copy);
1053 padz=copy;
1054
1055 padxid=gMC->CurrentVolOffID(1,copy);
1056 padx=copy;
1057
1058 stripid=gMC->CurrentVolOffID(4,copy);
1059 strip=copy;
1060
1061 gMC->TrackPosition(pos);
1062 gMC->TrackMomentum(mom);
1063
1064// Double_t NormPos=1./pos.Rho();
1065 Double_t normMom=1./mom.Rho();
1066
1067// getting the cohordinates in pad ref system
1068 xm[0] = (Float_t)pos.X();
1069 xm[1] = (Float_t)pos.Y();
1070 xm[2] = (Float_t)pos.Z();
1071
1072 pm[0] = (Float_t)mom.X()*normMom;
1073 pm[1] = (Float_t)mom.Y()*normMom;
1074 pm[2] = (Float_t)mom.Z()*normMom;
1075
1076 gMC->Gmtod(xm,xpad,1);
1077 gMC->Gmtod(pm,ppad,2);
1078
1079 incidenceAngle = TMath::ACos(ppad[1])*kRaddeg;
1080
1081 z = pos[2];
1082
1083 plate = 0;
1084 if (TMath::Abs(z) <= fZlenA*0.5) plate = 3;
1085 if (z < (fZlenA*0.5+fZlenB) &&
1086 z > fZlenA*0.5) plate = 4;
1087 if (z >-(fZlenA*0.5+fZlenB) &&
1088 z < -fZlenA*0.5) plate = 2;
1089 if (z > (fZlenA*0.5+fZlenB)) plate = 5;
1090 if (z <-(fZlenA*0.5+fZlenB)) plate = 1;
1091
1092 phi = pos.Phi();
1093 phid = phi*kRaddeg+180.;
1094 sector = Int_t (phid/20.);
1095 sector++;
1096
1097 for(i=0;i<3;++i) {
1098 hits[i] = pos[i];
1099 hits[i+3] = pm[i];
1100 }
1101
1102 hits[6] = mom.Rho();
1103 hits[7] = pos[3];
1104 hits[8] = xpad[0];
1105 hits[9] = xpad[1];
1106 hits[10]= xpad[2];
1107 hits[11]= incidenceAngle;
1108 hits[12]= gMC->Edep();
1109 hits[13]= gMC->TrackLength();
1110
1111 vol[0]= sector;
1112 vol[1]= plate;
1113 vol[2]= strip;
1114 vol[3]= padx;
1115 vol[4]= padz;
1116
1117 AddT0Hit(gAlice->CurrentTrack(),vol, hits);
1118 }
1119}