added stdlib.h for exit
[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$Log$
0c50193f 18Revision 1.12 1999/11/01 20:41:57 fca
19Added protections against using the wrong version of FRAME
20
ab76897d 21Revision 1.11 1999/10/22 08:04:14 fca
22Correct improper use of negative parameters
23
d0a635a0 24Revision 1.10 1999/10/16 19:30:06 fca
25Corrected Rotation Matrix and CVS log
26
00e5f8d9 27Revision 1.9 1999/10/15 15:35:20 fca
28New version for frame1099 with and without holes
29
30Revision 1.8 1999/09/29 09:24:33 fca
937fe4a4 31Introduction of the Copyright and cvs Log
32
4c039060 33*/
34
fe4da5cc 35///////////////////////////////////////////////////////////////////////////////
36// //
937fe4a4 37// Time Of Flight: design of C.Williams FCA //
38// This class contains the functions for version 1 of the Time Of Flight //
fe4da5cc 39// detector. //
937fe4a4 40//
41// VERSION WITH 5 MODULES AND TILTED STRIPS
42//
43// FULL COVERAGE VERSION
44//
45// Authors:
46//
47// Alessio Seganti
48// Domenico Vicinanza
49//
50// University of Salerno - Italy
51//
52//
fe4da5cc 53//Begin_Html
54/*
1439f98e 55<img src="picts/AliTOFv3Class.gif">
fe4da5cc 56*/
57//End_Html
58// //
59///////////////////////////////////////////////////////////////////////////////
60
0c50193f 61#include <stdlib.h>
62
fe4da5cc 63#include "AliTOFv3.h"
fe4da5cc 64#include "AliRun.h"
3fe3a833 65#include "AliConst.h"
fe4da5cc 66
67ClassImp(AliTOFv3)
68
69//_____________________________________________________________________________
ad51aeb0 70AliTOFv3::AliTOFv3()
fe4da5cc 71{
72 //
73 // Default constructor
74 //
75}
76
77//_____________________________________________________________________________
78AliTOFv3::AliTOFv3(const char *name, const char *title)
79 : AliTOF(name,title)
80{
81 //
82 // Standard constructor
83 //
84}
85
86//_____________________________________________________________________________
87void AliTOFv3::CreateGeometry()
88{
89 //
3fe3a833 90 // Create geometry for Time Of Flight version 0
fe4da5cc 91 //
92 //Begin_Html
93 /*
1439f98e 94 <img src="picts/AliTOFv3.gif">
fe4da5cc 95 */
96 //End_Html
97 //
937fe4a4 98 // Creates common geometry
fe4da5cc 99 //
100 AliTOF::CreateGeometry();
101}
102
103//_____________________________________________________________________________
937fe4a4 104void AliTOFv3::TOFpc(Float_t xtof, Float_t ytof, Float_t zlen1,
105 Float_t zlen2, Float_t zlen3, Float_t ztof0)
fe4da5cc 106{
107 //
3fe3a833 108 // Definition of the Time Of Fligh Resistive Plate Chambers
937fe4a4 109 // xFLT, yFLT, zFLT - sizes of TOF modules (large)
3fe3a833 110
937fe4a4 111 Float_t ycoor, zcoor;
fe4da5cc 112 Float_t par[10];
fe4da5cc 113
ad51aeb0 114 Int_t *idtmed = fIdtmed->GetArray()-499;
937fe4a4 115
116 Int_t idrotm[100];
117 Int_t nrot = 0;
fe4da5cc 118
937fe4a4 119
120
121 par[0] = xtof / 2.;
122 par[1] = ytof / 2.;
123 par[2] = zlen1 / 2.;
124 gMC->Gsvolu("FTO1", "BOX ", idtmed[506], par, 3);
125 par[2] = zlen2 / 2.;
126 gMC->Gsvolu("FTO2", "BOX ", idtmed[506], par, 3);
127 par[2] = zlen3 / 2.;
128 gMC->Gsvolu("FTO3", "BOX ", idtmed[506], par, 3);
129
130
131// Positioning of modules
132
133 Float_t zcor1 = ztof0 - zlen1/2;
134 Float_t zcor2 = ztof0 - zlen1 - zlen2/2.;
135 Float_t zcor3 = 0.;
136
137 AliMatrix(idrotm[0], 90., 0., 0., 0., 90, -90.);
138 AliMatrix(idrotm[1], 90., 180., 0., 0., 90, 90.);
139 gMC->Gspos("FTO1", 1, "BTO1", 0, zcor1, 0, idrotm[0], "ONLY");
140 gMC->Gspos("FTO1", 2, "BTO1", 0, -zcor1, 0, idrotm[1], "ONLY");
141 gMC->Gspos("FTO1", 1, "BTO2", 0, zcor1, 0, idrotm[0], "ONLY");
142 gMC->Gspos("FTO1", 2, "BTO2", 0, -zcor1, 0, idrotm[1], "ONLY");
143 gMC->Gspos("FTO1", 1, "BTO3", 0, zcor1, 0, idrotm[0], "ONLY");
144 gMC->Gspos("FTO1", 2, "BTO3", 0, -zcor1, 0, idrotm[1], "ONLY");
145
146 gMC->Gspos("FTO2", 1, "BTO1", 0, zcor2, 0, idrotm[0], "ONLY");
147 gMC->Gspos("FTO2", 2, "BTO1", 0, -zcor2, 0, idrotm[1], "ONLY");
148 gMC->Gspos("FTO2", 1, "BTO2", 0, zcor2, 0, idrotm[0], "ONLY");
149 gMC->Gspos("FTO2", 2, "BTO2", 0, -zcor2, 0, idrotm[1], "ONLY");
150 gMC->Gspos("FTO2", 1, "BTO3", 0, zcor2, 0, idrotm[0], "ONLY");
151 gMC->Gspos("FTO2", 2, "BTO3", 0, -zcor2, 0, idrotm[1], "ONLY");
152
153 gMC->Gspos("FTO3", 0, "BTO1", 0, zcor3, 0, idrotm[0], "ONLY");
154 gMC->Gspos("FTO3", 0, "BTO2", 0, zcor3, 0, idrotm[0], "ONLY");
155 gMC->Gspos("FTO3", 0, "BTO3", 0, zcor3, 0, idrotm[0], "ONLY");
156
157// Subtraction the distance to TOF module boundaries
158
159 Float_t db = 7.;
160 Float_t xFLT, yFLT, zFLT1, zFLT2, zFLT3;
161
162 xFLT = xtof -(.5 +.5)*2;
163 yFLT = ytof;
164 zFLT1 = zlen1 - db;
165 zFLT2 = zlen2 - db;
166 zFLT3 = zlen3 - db;
167
168// Sizes of MRPC pads
169
170 Float_t yPad = 0.505;
171
172// Large not sensitive volumes with CO2
173 par[0] = xFLT/2;
174 par[1] = yFLT/2;
175
3fe3a833 176 cout <<"************************* TOF geometry **************************"<<endl;
937fe4a4 177
178 par[2] = (zFLT1 / 2.);
3fe3a833 179 gMC->Gsvolu("FLT1", "BOX ", idtmed[506], par, 3); // CO2
937fe4a4 180 gMC->Gspos("FLT1", 0, "FTO1", 0., 0., 0., 0, "ONLY");
181
182 par[2] = (zFLT2 / 2.);
3fe3a833 183 gMC->Gsvolu("FLT2", "BOX ", idtmed[506], par, 3); // CO2
937fe4a4 184 gMC->Gspos("FLT2", 0, "FTO2", 0., 0., 0., 0, "ONLY");
185
186 par[2] = (zFLT3 / 2.);
3fe3a833 187 gMC->Gsvolu("FLT3", "BOX ", idtmed[506], par, 3); // CO2
937fe4a4 188 gMC->Gspos("FLT3", 0, "FTO3", 0., 0., 0., 0, "ONLY");
189
3fe3a833 190////////// Layers before detector ////////////////////
937fe4a4 191
192// Alluminium layer in front 1.0 mm thick at the beginning
3fe3a833 193 par[0] = -1;
937fe4a4 194 par[1] = 0.1;
3fe3a833 195 par[2] = -1;
937fe4a4 196 ycoor = -yFLT/2 + par[1];
197 gMC->Gsvolu("FMY1", "BOX ", idtmed[508], par, 3); // Alluminium
3fe3a833 198 gMC->Gspos("FMY1", 0, "FLT1", 0., ycoor, 0., 0, "ONLY");
937fe4a4 199 gMC->Gsvolu("FMY2", "BOX ", idtmed[508], par, 3); // Alluminium
3fe3a833 200 gMC->Gspos("FMY2", 0, "FLT2", 0., ycoor, 0., 0, "ONLY");
937fe4a4 201 gMC->Gsvolu("FMY3", "BOX ", idtmed[508], par, 3); // Alluminium
3fe3a833 202 gMC->Gspos("FMY3", 0, "FLT3", 0., ycoor, 0., 0, "ONLY");
937fe4a4 203
204// Honeycomb layer (1cm of special polyethilene)
3fe3a833 205 ycoor = ycoor + par[1];
206 par[0] = -1;
937fe4a4 207 par[1] = 0.5;
3fe3a833 208 par[2] = -1;
209 ycoor = ycoor + par[1];
210 gMC->Gsvolu("FPL1", "BOX ", idtmed[503], par, 3); // Hony
211 gMC->Gspos("FPL1", 0, "FLT1", 0., ycoor, 0., 0, "ONLY");
212 gMC->Gsvolu("FPL2", "BOX ", idtmed[503], par, 3); // Hony
213 gMC->Gspos("FPL2", 0, "FLT2", 0., ycoor, 0., 0, "ONLY");
214 gMC->Gsvolu("FPL3", "BOX ", idtmed[503], par, 3); // Hony
215 gMC->Gspos("FPL3", 0, "FLT3", 0., ycoor, 0., 0, "ONLY");
937fe4a4 216
3fe3a833 217///////////////// Detector itself //////////////////////
937fe4a4 218
219 const Float_t StripWidth = 7.81;//cm
220 const Float_t DeadBound = 1.;//cm non-sensitive between the pad edge and the boundary of the strip
221 const Int_t nx = 40; // number of pads along x
222 const Int_t nz = 2; // number of pads along z
223 const Float_t Gap=4.; //cm distance between the strip axis
224 const Float_t Space = 5.5; //cm distance from the front plate of the box
225
226 Float_t zSenStrip;
227 zSenStrip = StripWidth-2*DeadBound;//cm
228
d0a635a0 229 par[0] = xFLT/2;
937fe4a4 230 par[1] = yPad/2;
231 par[2] = StripWidth/2.;
232
233 // Glass Layer of detector
234 gMC->Gsvolu("FSTR","BOX",idtmed[514],par,3);
235
236 // Freon for non-sesitive boundaries
d0a635a0 237 par[0] = xFLT/2;
937fe4a4 238 par[1] = 0.110/2;
3fe3a833 239 par[2] = -1;
937fe4a4 240 gMC->Gsvolu("FNSF","BOX",idtmed[512],par,3);
241 gMC->Gspos("FNSF",0,"FSTR",0.,0.,0.,0,"ONLY");
242 // Mylar for non-sesitive boundaries
243 par[1] = 0.025;
244 gMC->Gsvolu("FMYI","BOX",idtmed[510],par,3);
245 gMC->Gspos("FMYI",0,"FNSF",0.,0.,0.,0,"ONLY");
246
247 // Mylar for outer layers
248 par[1] = 0.035/2;
249 ycoor = -yPad/2.+par[1];
250 gMC->Gsvolu("FMYX","BOX",idtmed[510],par,3);
251 gMC->Gspos("FMYX",1,"FSTR",0.,ycoor,0.,0,"ONLY");
252 gMC->Gspos("FMYX",2,"FSTR",0.,-ycoor,0.,0,"ONLY");
253 ycoor += par[1];
254
255 // Graphyte layers
256 par[1] = 0.003/2;
257 ycoor += par[1];
258 gMC->Gsvolu("FGRL","BOX",idtmed[502],par,3);
259 gMC->Gspos("FGRL",1,"FSTR",0.,ycoor,0.,0,"ONLY");
260 gMC->Gspos("FGRL",2,"FSTR",0.,-ycoor,0.,0,"ONLY");
261
262 // Freon sensitive layer
3fe3a833 263 par[0] = -1;
937fe4a4 264 par[1] = 0.110/2.;
265 par[2] = zSenStrip/2.;
266 gMC->Gsvolu("FCFC","BOX",idtmed[513],par,3);
267 gMC->Gspos("FCFC",0,"FNSF",0.,0.,0.,0,"ONLY");
268
269 // Pad definition x & z
270 gMC->Gsdvn("FLZ","FCFC", nz, 3);
271 gMC->Gsdvn("FLX","FLZ" , nx, 1);
272
273 // MRPC pixel itself
274 par[0] = -1;
275 par[1] = -1;
3fe3a833 276 par[2] = -1;
937fe4a4 277 gMC->Gsvolu("FPAD", "BOX ", idtmed[513], par, 3);
278 gMC->Gspos("FPAD", 0, "FLX", 0., 0., 0., 0, "ONLY");
279
280
281//// Positioning the Strips (FSTR) in the FLT volumes /////
282
283
284 // 3 (Central) Plate
285 Float_t t = zFLT1+zFLT2+zFLT3/2.+7.*2.5;//Half Width of Barrel
286 Float_t zpos = 0;
287 Float_t ang;
288 Float_t Offset;
289 Float_t last;
290 nrot = 0;
291 Int_t i=1,j=1;
292 zcoor=0;
293 Int_t UpDown=-1; // UpDown=-1 -> Upper strip, UpDown=+1 -> Lower strip
294
295 do{
296 ang = atan(zcoor/t);
00e5f8d9 297 ang = ang * kRaddeg;
298 AliMatrix (idrotm[nrot] ,90., 0.,90.-ang,90.,-ang,90.);
299 AliMatrix (idrotm[nrot+1],90.,180.,90.+ang,90., ang,90.);
937fe4a4 300 ycoor = -29./2.+ Space; //2 cm over front plate
301 ycoor += (1-(UpDown+1)/2)*Gap;
302 gMC->Gspos("FSTR",j,"FLT3",0.,ycoor,zcoor,idrotm[nrot],"ONLY");
303 gMC->Gspos("FSTR",j+1,"FLT3",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY");
00e5f8d9 304 ang = ang / kRaddeg;
937fe4a4 305 zcoor=zcoor-(zSenStrip/2)/TMath::Cos(ang)+UpDown*Gap*TMath::Tan(ang)-(zSenStrip/2)/TMath::Cos(ang);
306 UpDown*= -1; // Alternate strips
307 i++;
308 j+=2;
309 } while (zcoor-(StripWidth/2)*TMath::Cos(ang)>-t+zFLT1+zFLT2+7*2.5);
310
311 ycoor = -29./2.+ Space; //2 cm over front plate
312
313 // Plate 2
314 zpos = -zFLT3/2-7;
315 ang = atan(zpos/sqrt(2*t*t-zpos*zpos));
316 Offset = StripWidth*TMath::Cos(ang)/2;
317 zpos -= Offset;
318 nrot = 0;
319 i=1;
320 // UpDown has not to be reinitialized, so that the arrangement of the strips can continue coherently
321
322 do {
323 ang = atan(zpos/sqrt(2*t*t-zpos*zpos));
00e5f8d9 324 ang = ang*kRaddeg;
325 AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
937fe4a4 326 ycoor = -29./2.+ Space ; //2 cm over front plate
327 ycoor += (1-(UpDown+1)/2)*Gap;
328 zcoor = zpos+(zFLT3/2.+7+zFLT2/2); // Moves to the system of the centre of the modulus FLT2
329 gMC->Gspos("FSTR",i, "FLT2", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
00e5f8d9 330 ang = ang/kRaddeg;
937fe4a4 331 zpos = zpos - (zSenStrip/2)/TMath::Cos(ang)+UpDown*Gap*TMath::Tan(ang)-(zSenStrip/2)/TMath::Cos(ang);
332 last = StripWidth*TMath::Cos(ang)/2;
333 UpDown*=-1;
334 i++;
335 } while (zpos-(StripWidth/2)*TMath::Cos(ang)>-t+zFLT1+7);
336
337 // Plate 1
338 zpos = -t+zFLT1+3.5;
339 ang = atan(zpos/sqrt(2*t*t-zpos*zpos));
340 Offset = StripWidth*TMath::Cos(ang)/2.;
341 zpos -= Offset;
342 nrot = 0;
343 i=0;
344 ycoor= -29./2.+Space+Gap/2;
345
346 do {
347 ang = atan(zpos/sqrt(2*t*t-zpos*zpos));
00e5f8d9 348 ang = ang*kRaddeg;
349 AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
937fe4a4 350 i++;
351 zcoor = zpos+(zFLT1/2+zFLT2+zFLT3/2+7.*2.);
352 gMC->Gspos("FSTR",i, "FLT1", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
00e5f8d9 353 ang = ang/kRaddeg;
937fe4a4 354 zpos = zpos - zSenStrip/TMath::Cos(ang);
355 last = StripWidth*TMath::Cos(ang)/2.;
356 } while (zpos>-t+7.+last);
357
358printf("#######################################################\n");
00e5f8d9 359printf(" Distance from the bound of the FLT3: %f cm \n",t+zpos-(zSenStrip/2)/TMath::Cos(ang));
937fe4a4 360 ang = atan(zpos/sqrt(2*t*t-zpos*zpos));
361 zpos = zpos - zSenStrip/TMath::Cos(ang);
00e5f8d9 362printf("NEXT Distance from the bound of the FLT3: %f cm \n",t+zpos-(zSenStrip/2)/TMath::Cos(ang));
937fe4a4 363printf("#######################################################\n");
364
365////////// Layers after detector /////////////////
366
367// Honeycomb layer after (3cm)
368
369 Float_t OverSpace = Space + 7.3;
370/// StripWidth*TMath::Sin(ang) + 1.3;
371
3fe3a833 372 par[0] = -1;
937fe4a4 373 par[1] = 0.6;
3fe3a833 374 par[2] = -1;
937fe4a4 375 ycoor = -yFLT/2 + OverSpace + par[1];
3fe3a833 376 gMC->Gsvolu("FPE1", "BOX ", idtmed[503], par, 3); // Hony
377 gMC->Gspos("FPE1", 0, "FLT1", 0., ycoor, 0., 0, "ONLY");
378 gMC->Gsvolu("FPE2", "BOX ", idtmed[503], par, 3); // Hony
379 gMC->Gspos("FPE2", 0, "FLT2", 0., ycoor, 0., 0, "ONLY");
380 gMC->Gsvolu("FPE3", "BOX ", idtmed[503], par, 3); // Hony
381 gMC->Gspos("FPE3", 0, "FLT3", 0., ycoor, 0., 0, "ONLY");
937fe4a4 382
383// Electronics (Cu) after
384 ycoor += par[1];
3fe3a833 385 par[0] = -1;
386 par[1] = 1.43*0.05 / 2.; // 5% of X0
387 par[2] = -1;
937fe4a4 388 ycoor += par[1];
3fe3a833 389 gMC->Gsvolu("FEC1", "BOX ", idtmed[501], par, 3); // Cu
390 gMC->Gspos("FEC1", 0, "FLT1", 0., ycoor, 0., 0, "ONLY");
391 gMC->Gsvolu("FEC2", "BOX ", idtmed[501], par, 3); // Cu
392 gMC->Gspos("FEC2", 0, "FLT2", 0., ycoor, 0., 0, "ONLY");
393 gMC->Gsvolu("FEC3", "BOX ", idtmed[501], par, 3); // Cu
394 gMC->Gspos("FEC3", 0, "FLT3", 0., ycoor, 0., 0, "ONLY");
937fe4a4 395
396// Cooling water after
397 ycoor += par[1];
3fe3a833 398 par[0] = -1;
399 par[1] = 36.1*0.02 / 2.; // 2% of X0
400 par[2] = -1;
937fe4a4 401 ycoor += par[1];
3fe3a833 402 gMC->Gsvolu("FWA1", "BOX ", idtmed[515], par, 3); // Water
403 gMC->Gspos("FWA1", 0, "FLT1", 0., ycoor, 0., 0, "ONLY");
404 gMC->Gsvolu("FWA2", "BOX ", idtmed[515], par, 3); // Water
405 gMC->Gspos("FWA2", 0, "FLT2", 0., ycoor, 0., 0, "ONLY");
406 gMC->Gsvolu("FWA3", "BOX ", idtmed[515], par, 3); // Water
407 gMC->Gspos("FWA3", 0, "FLT3", 0., ycoor, 0., 0, "ONLY");
937fe4a4 408
409//back plate honycomb (2cm)
3fe3a833 410 par[0] = -1;
411 par[1] = 2 / 2.;
412 par[2] = -1;
937fe4a4 413 ycoor = yFLT/2 - par[1];
3fe3a833 414 gMC->Gsvolu("FEG1", "BOX ", idtmed[503], par, 3); // Hony
415 gMC->Gspos("FEG1", 0, "FLT1", 0., ycoor, 0., 0, "ONLY");
416 gMC->Gsvolu("FEG2", "BOX ", idtmed[503], par, 3); // Hony
417 gMC->Gspos("FEG2", 0, "FLT2", 0., ycoor, 0., 0, "ONLY");
418 gMC->Gsvolu("FEG3", "BOX ", idtmed[503], par, 3); // Hony
419 gMC->Gspos("FEG3", 0, "FLT3", 0., ycoor, 0., 0, "ONLY");
fe4da5cc 420}
421
422//_____________________________________________________________________________
8f72dc0c 423void AliTOFv3::DrawModule()
fe4da5cc 424{
425 //
937fe4a4 426 // Draw a shaded view of the Time Of Flight version 1
fe4da5cc 427 //
fe4da5cc 428 // Set everything unseen
cfce8870 429 gMC->Gsatt("*", "seen", -1);
fe4da5cc 430 //
431 // Set ALIC mother transparent
cfce8870 432 gMC->Gsatt("ALIC","SEEN",0);
fe4da5cc 433 //
434 // Set the volumes visible
cfce8870 435 gMC->Gsatt("ALIC","SEEN",0);
3fe3a833 436 gMC->Gsatt("FBAR","SEEN",1);
437 gMC->Gsatt("FTO1","SEEN",1);
438 gMC->Gsatt("FTO2","SEEN",1);
439 gMC->Gsatt("FTO3","SEEN",1);
440 gMC->Gsatt("FBT1","SEEN",1);
441 gMC->Gsatt("FBT2","SEEN",1);
442 gMC->Gsatt("FBT3","SEEN",1);
443 gMC->Gsatt("FDT1","SEEN",1);
444 gMC->Gsatt("FDT2","SEEN",1);
445 gMC->Gsatt("FDT3","SEEN",1);
446 gMC->Gsatt("FLT1","SEEN",1);
447 gMC->Gsatt("FLT2","SEEN",1);
448 gMC->Gsatt("FLT3","SEEN",1);
937fe4a4 449 gMC->Gsatt("FPL1","SEEN",1);
450 gMC->Gsatt("FPL2","SEEN",1);
451 gMC->Gsatt("FPL3","SEEN",1);
452 gMC->Gsatt("FLD1","SEEN",1);
453 gMC->Gsatt("FLD2","SEEN",1);
454 gMC->Gsatt("FLD3","SEEN",1);
455 gMC->Gsatt("FLZ1","SEEN",1);
456 gMC->Gsatt("FLZ2","SEEN",1);
457 gMC->Gsatt("FLZ3","SEEN",1);
458 gMC->Gsatt("FLX1","SEEN",1);
459 gMC->Gsatt("FLX2","SEEN",1);
460 gMC->Gsatt("FLX3","SEEN",1);
461 gMC->Gsatt("FPA0","SEEN",1);
fe4da5cc 462 //
cfce8870 463 gMC->Gdopt("hide", "on");
464 gMC->Gdopt("shad", "on");
465 gMC->Gsatt("*", "fill", 7);
466 gMC->SetClipBox(".");
467 gMC->SetClipBox("*", 0, 1000, -1000, 1000, -1000, 1000);
468 gMC->DefaultRange();
469 gMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .02, .02);
470 gMC->Gdhead(1111, "Time Of Flight");
471 gMC->Gdman(18, 4, "MAN");
472 gMC->Gdopt("hide","off");
fe4da5cc 473}
474
475//_____________________________________________________________________________
476void AliTOFv3::CreateMaterials()
477{
478 //
479 // Define materials for the Time Of Flight
480 //
3fe3a833 481 AliTOF::CreateMaterials();
fe4da5cc 482}
483
484//_____________________________________________________________________________
485void AliTOFv3::Init()
486{
487 //
488 // Initialise the detector after the geometry has been defined
489 //
ab76897d 490 printf("**************************************"
491 " TOF "
492 "**************************************\n");
493 printf("\n Version 3 of TOF initialing, "
494 "symmetric TOF\n\n");
495
fe4da5cc 496 AliTOF::Init();
ab76897d 497
498 //
499 // Check that FRAME is there otherwise we have no place where to
500 // put TOF
501 AliModule* FRAME=gAlice->GetModule("FRAME");
502 if(!FRAME) {
503 Error("Ctor","TOF needs FRAME to be present\n");
504 exit(1);
505 } else
506 if(FRAME->IsVersion()!=1) {
507 Error("Ctor","FRAME version 1 needed with this version of TOF\n");
508 exit(1);
509 }
510
cfce8870 511 fIdFTO2=gMC->VolId("FTO2");
512 fIdFTO3=gMC->VolId("FTO3");
513 fIdFLT1=gMC->VolId("FLT1");
514 fIdFLT2=gMC->VolId("FLT2");
515 fIdFLT3=gMC->VolId("FLT3");
ab76897d 516
517 printf("**************************************"
518 " TOF "
519 "**************************************\n");
fe4da5cc 520}
521
522//_____________________________________________________________________________
523void AliTOFv3::StepManager()
524{
525 //
526 // Procedure called at each step in the Time Of Flight
527 //
0a6d8768 528 TLorentzVector mom, pos;
fe4da5cc 529 Float_t hits[8];
530 Int_t vol[3];
0a6d8768 531 Int_t copy, id, i;
ad51aeb0 532 Int_t *idtmed = fIdtmed->GetArray()-499;
3fe3a833 533 if(gMC->GetMedium()==idtmed[514-1] &&
0a6d8768 534 gMC->IsTrackEntering() && gMC->TrackCharge()
535 && gMC->CurrentVolID(copy)==fIdSens) {
fe4da5cc 536 TClonesArray &lhits = *fHits;
537 //
538 // Record only charged tracks at entrance
0a6d8768 539 gMC->CurrentVolOffID(1,copy);
fe4da5cc 540 vol[2]=copy;
0a6d8768 541 gMC->CurrentVolOffID(3,copy);
fe4da5cc 542 vol[1]=copy;
3fe3a833 543 id=gMC->CurrentVolOffID(8,copy);
fe4da5cc 544 vol[0]=copy;
545 if(id==fIdFTO3) {
546 vol[0]+=22;
3fe3a833 547 id=gMC->CurrentVolOffID(5,copy);
fe4da5cc 548 if(id==fIdFLT3) vol[1]+=6;
549 } else if (id==fIdFTO2) {
550 vol[0]+=20;
3fe3a833 551 id=gMC->CurrentVolOffID(5,copy);
fe4da5cc 552 if(id==fIdFLT2) vol[1]+=8;
553 } else {
3fe3a833 554 id=gMC->CurrentVolOffID(5,copy);
fe4da5cc 555 if(id==fIdFLT1) vol[1]+=14;
556 }
0a6d8768 557 gMC->TrackPosition(pos);
558 gMC->TrackMomentum(mom);
3fe3a833 559 //
0a6d8768 560 Double_t ptot=mom.Rho();
561 Double_t norm=1/ptot;
562 for(i=0;i<3;++i) {
563 hits[i]=pos[i];
564 hits[i+3]=mom[i]*norm;
565 }
566 hits[6]=ptot;
567 hits[7]=pos[3];
fe4da5cc 568 new(lhits[fNhits++]) AliTOFhit(fIshunt,gAlice->CurrentTrack(),vol,hits);
569 }
570}
937fe4a4 571