Removed PadResponse(). Merge problem
[u/mrichter/AliRoot.git] / TOF / AliTOFv0.cxx
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4c039060 1/**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
3 * *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
6 * *
7 * Permission to use, copy, modify and distribute this software and its *
8 * documentation strictly for non-commercial purposes is hereby granted *
9 * without fee, provided that the above copyright notice appears in all *
10 * copies and that both the copyright notice and this permission notice *
11 * appear in the supporting documentation. The authors make no claims *
12 * about the suitability of this software for any purpose. It is *
13 * provided "as is" without express or implied warranty. *
14 **************************************************************************/
15
16/*
17$Log$
da39da0c 18Revision 1.14 1999/11/05 22:39:06 fca
19New hits structure
20
826b71ec 21Revision 1.13 1999/11/01 20:41:57 fca
22Added protections against using the wrong version of FRAME
23
ab76897d 24Revision 1.12 1999/10/22 08:04:14 fca
25Correct improper use of negative parameters
26
d0a635a0 27Revision 1.11 1999/10/16 19:30:05 fca
28Corrected Rotation Matrix and CVS log
29
00e5f8d9 30Revision 1.10 1999/10/15 15:35:20 fca
31New version for frame1099 with and without holes
32
937fe4a4 33Revision 1.9 1999/09/29 09:24:33 fca
34Introduction of the Copyright and cvs Log
35
4c039060 36*/
37
fe4da5cc 38///////////////////////////////////////////////////////////////////////////////
39// //
937fe4a4 40// Time Of Flight: design of C.Williams FCA //
41// This class contains the functions for version 1 of the Time Of Flight //
fe4da5cc 42// detector. //
937fe4a4 43//
44// VERSION WITH 5 MODULES AND TILTED STRIPS
45//
46// WITH HOLES FOR PHOS AND HMPID inside the
47// SPACE FRAME WITH HOLES
48//
49//
50// Authors:
51//
52// Alessio Seganti
53// Domenico Vicinanza
54//
55// University of Salerno - Italy
56//
57//
fe4da5cc 58//Begin_Html
59/*
1439f98e 60<img src="picts/AliTOFv0Class.gif">
fe4da5cc 61*/
62//End_Html
63// //
64///////////////////////////////////////////////////////////////////////////////
65
826b71ec 66#include <iostream.h>
ab76897d 67#include <stdlib.h>
68
fe4da5cc 69#include "AliTOFv0.h"
70#include "AliRun.h"
fe4da5cc 71#include "AliConst.h"
3fe3a833 72
fe4da5cc 73ClassImp(AliTOFv0)
74
75//_____________________________________________________________________________
151e057e 76AliTOFv0::AliTOFv0()
fe4da5cc 77{
78 //
79 // Default constructor
80 //
81}
82
83//_____________________________________________________________________________
84AliTOFv0::AliTOFv0(const char *name, const char *title)
85 : AliTOF(name,title)
86{
87 //
3fe3a833 88 // Standard constructor
fe4da5cc 89 //
da39da0c 90 //
91 // Check that FRAME is there otherwise we have no place where to
92 // put TOF
93 AliModule* FRAME=gAlice->GetModule("FRAME");
94 if(!FRAME) {
95 Error("Ctor","TOF needs FRAME to be present\n");
96 exit(1);
97 } else
98 if(FRAME->IsVersion()!=0) {
99 Error("Ctor","FRAME version 0 needed with this version of TOF\n");
100 exit(1);
101 }
102
fe4da5cc 103}
104
105//_____________________________________________________________________________
106void AliTOFv0::CreateGeometry()
107{
108 //
3fe3a833 109 // Create geometry for Time Of Flight version 0
110 //
fe4da5cc 111 //Begin_Html
112 /*
1439f98e 113 <img src="picts/AliTOFv0.gif">
fe4da5cc 114 */
115 //End_Html
116 //
937fe4a4 117 // Creates common geometry
fe4da5cc 118 //
3fe3a833 119 AliTOF::CreateGeometry();
fe4da5cc 120}
121
122//_____________________________________________________________________________
937fe4a4 123void AliTOFv0::TOFpc(Float_t xtof, Float_t ytof, Float_t zlen1,
124 Float_t zlen2, Float_t zlen3, Float_t ztof0)
fe4da5cc 125{
126 //
3fe3a833 127 // Definition of the Time Of Fligh Resistive Plate Chambers
937fe4a4 128 // xFLT, yFLT, zFLT - sizes of TOF modules (large)
3fe3a833 129
130 Float_t ycoor;
3fe3a833 131 Float_t par[10];
937fe4a4 132 Int_t idrotm[100];
133 Int_t nrot = 0;
3fe3a833 134
135 Int_t *idtmed = fIdtmed->GetArray()-499;
937fe4a4 136
137
138 par[0] = xtof / 2.;
139 par[1] = ytof / 2.;
140 par[2] = zlen1 / 2.;
141 gMC->Gsvolu("FTO1", "BOX ", idtmed[506], par, 3);
142 par[2] = zlen2 / 2.;
143 gMC->Gsvolu("FTO2", "BOX ", idtmed[506], par, 3);
144 par[2] = zlen3 / 2.;
145 gMC->Gsvolu("FTO3", "BOX ", idtmed[506], par, 3);
146
147
148// Positioning of modules
149
150 Float_t zcoor;
151
152 Float_t zcor1 = ztof0 - zlen1/2;
153 Float_t zcor2 = ztof0 - zlen1 - zlen2/2.;
154 Float_t zcor3 = 0.;
155
156 AliMatrix(idrotm[0], 90., 0., 0., 0., 90, -90.);
157 AliMatrix(idrotm[1], 90., 180., 0., 0., 90, 90.);
158 gMC->Gspos("FTO1", 1, "BTO1", 0, zcor1, 0, idrotm[0], "ONLY");
159 gMC->Gspos("FTO1", 2, "BTO1", 0, -zcor1, 0, idrotm[1], "ONLY");
160 zcoor = (zlen1/2.);
161 gMC->Gspos("FTO1", 1, "BTO2", 0, zcoor, 0, idrotm[0], "ONLY");
162 zcoor = 0.;
163 gMC->Gspos("FTO1", 1, "BTO3", 0, zcoor, 0, idrotm[0], "ONLY");
164
165 gMC->Gspos("FTO2", 1, "BTO1", 0, zcor2, 0, idrotm[0], "ONLY");
166 gMC->Gspos("FTO2", 2, "BTO1", 0, -zcor2, 0, idrotm[1], "ONLY");
167 zcoor = -zlen2/2.;
168 gMC->Gspos("FTO2", 0, "BTO2", 0, zcoor, 0, idrotm[0], "ONLY");
169
170 gMC->Gspos("FTO3", 0, "BTO1", 0, zcor3, 0, idrotm[0], "ONLY");
171
172// Subtraction the distance to TOF module boundaries
173
174 Float_t db = 7.;
175 Float_t xFLT, yFLT, zFLT1, zFLT2, zFLT3;
176
177 xFLT = xtof -(.5 +.5)*2;
178 yFLT = ytof;
179 zFLT1 = zlen1 - db;
180 zFLT2 = zlen2 - db;
181 zFLT3 = zlen3 - db;
182
183// Sizes of MRPC pads
184
185 Float_t yPad = 0.505;
3fe3a833 186
937fe4a4 187// Large not sensitive volumes with CO2
188 par[0] = xFLT/2;
189 par[1] = yFLT/2;
190
3fe3a833 191 cout <<"************************* TOF geometry **************************"<<endl;
937fe4a4 192
193 par[2] = (zFLT1 / 2.);
3fe3a833 194 gMC->Gsvolu("FLT1", "BOX ", idtmed[506], par, 3); // CO2
937fe4a4 195 gMC->Gspos("FLT1", 0, "FTO1", 0., 0., 0., 0, "ONLY");
196
197 par[2] = (zFLT2 / 2.);
3fe3a833 198 gMC->Gsvolu("FLT2", "BOX ", idtmed[506], par, 3); // CO2
937fe4a4 199 gMC->Gspos("FLT2", 0, "FTO2", 0., 0., 0., 0, "ONLY");
200
201 par[2] = (zFLT3 / 2.);
3fe3a833 202 gMC->Gsvolu("FLT3", "BOX ", idtmed[506], par, 3); // CO2
937fe4a4 203 gMC->Gspos("FLT3", 0, "FTO3", 0., 0., 0., 0, "ONLY");
204
3fe3a833 205////////// Layers before detector ////////////////////
937fe4a4 206
207// Alluminium layer in front 1.0 mm thick at the beginning
3fe3a833 208 par[0] = -1;
937fe4a4 209 par[1] = 0.1;
3fe3a833 210 par[2] = -1;
937fe4a4 211 ycoor = -yFLT/2 + par[1];
212 gMC->Gsvolu("FMY1", "BOX ", idtmed[508], par, 3); // Alluminium
3fe3a833 213 gMC->Gspos("FMY1", 0, "FLT1", 0., ycoor, 0., 0, "ONLY");
937fe4a4 214 gMC->Gsvolu("FMY2", "BOX ", idtmed[508], par, 3); // Alluminium
3fe3a833 215 gMC->Gspos("FMY2", 0, "FLT2", 0., ycoor, 0., 0, "ONLY");
937fe4a4 216 gMC->Gsvolu("FMY3", "BOX ", idtmed[508], par, 3); // Alluminium
3fe3a833 217 gMC->Gspos("FMY3", 0, "FLT3", 0., ycoor, 0., 0, "ONLY");
937fe4a4 218
219// Honeycomb layer (1cm of special polyethilene)
3fe3a833 220 ycoor = ycoor + par[1];
221 par[0] = -1;
937fe4a4 222 par[1] = 0.5;
3fe3a833 223 par[2] = -1;
224 ycoor = ycoor + par[1];
225 gMC->Gsvolu("FPL1", "BOX ", idtmed[503], par, 3); // Hony
226 gMC->Gspos("FPL1", 0, "FLT1", 0., ycoor, 0., 0, "ONLY");
227 gMC->Gsvolu("FPL2", "BOX ", idtmed[503], par, 3); // Hony
228 gMC->Gspos("FPL2", 0, "FLT2", 0., ycoor, 0., 0, "ONLY");
229 gMC->Gsvolu("FPL3", "BOX ", idtmed[503], par, 3); // Hony
230 gMC->Gspos("FPL3", 0, "FLT3", 0., ycoor, 0., 0, "ONLY");
937fe4a4 231
3fe3a833 232///////////////// Detector itself //////////////////////
937fe4a4 233
234 const Float_t StripWidth = 7.81;//cm
235 const Float_t DeadBound = 1.;//cm non-sensitive between the pad edge and the boundary of the strip
236 const Int_t nx = 40; // number of pads along x
237 const Int_t nz = 2; // number of pads along z
238 const Float_t Gap=4.; //cm distance between the strip axis
239 const Float_t Space = 5.5; //cm distance from the front plate of the box
240
241 Float_t zSenStrip;
242 zSenStrip = StripWidth-2*DeadBound;//cm
243
826b71ec 244 par[0] = xFLT/2;
937fe4a4 245 par[1] = yPad/2;
246 par[2] = StripWidth/2.;
247
248 // Glass Layer of detector
249 gMC->Gsvolu("FSTR","BOX",idtmed[514],par,3);
250
251 // Freon for non-sesitive boundaries
826b71ec 252 par[0] = xFLT/2;
937fe4a4 253 par[1] = 0.110/2;
3fe3a833 254 par[2] = -1;
937fe4a4 255 gMC->Gsvolu("FNSF","BOX",idtmed[512],par,3);
256 gMC->Gspos("FNSF",0,"FSTR",0.,0.,0.,0,"ONLY");
257 // Mylar for non-sesitive boundaries
258 par[1] = 0.025;
259 gMC->Gsvolu("FMYI","BOX",idtmed[510],par,3);
260 gMC->Gspos("FMYI",0,"FNSF",0.,0.,0.,0,"ONLY");
261
262 // Mylar for outer layers
263 par[1] = 0.035/2;
264 ycoor = -yPad/2.+par[1];
265 gMC->Gsvolu("FMYX","BOX",idtmed[510],par,3);
266 gMC->Gspos("FMYX",1,"FSTR",0.,ycoor,0.,0,"ONLY");
267 gMC->Gspos("FMYX",2,"FSTR",0.,-ycoor,0.,0,"ONLY");
268 ycoor += par[1];
269
270 // Graphyte layers
271 par[1] = 0.003/2;
272 ycoor += par[1];
273 gMC->Gsvolu("FGRL","BOX",idtmed[502],par,3);
274 gMC->Gspos("FGRL",1,"FSTR",0.,ycoor,0.,0,"ONLY");
275 gMC->Gspos("FGRL",2,"FSTR",0.,-ycoor,0.,0,"ONLY");
276
277 // Freon sensitive layer
826b71ec 278 par[0] = -1;
937fe4a4 279 par[1] = 0.110/2.;
280 par[2] = zSenStrip/2.;
281 gMC->Gsvolu("FCFC","BOX",idtmed[513],par,3);
282 gMC->Gspos("FCFC",0,"FNSF",0.,0.,0.,0,"ONLY");
283
284 // Pad definition x & z
285 gMC->Gsdvn("FLZ","FCFC", nz, 3);
286 gMC->Gsdvn("FLX","FLZ" , nx, 1);
287
937fe4a4 288//// Positioning the Strips (FSTR) in the FLT volumes /////
289
826b71ec 290
937fe4a4 291 // 3 (Central) Plate
292 Float_t t = zFLT1+zFLT2+zFLT3/2.+7.*2.5;//Half Width of Barrel
293 Float_t zpos = 0;
294 Float_t ang;
295 Float_t Offset;
296 Float_t last;
297 nrot = 0;
298 Int_t i=1,j=1;
299 zcoor=0;
300 Int_t UpDown=-1; // UpDown=-1 -> Upper strip, UpDown=+1 -> Lower strip
301
302 do{
303 ang = atan(zcoor/t);
826b71ec 304 ang = ang * kRaddeg;
305 AliMatrix (idrotm[nrot], 90., 0.,90.-ang,90.,-ang, 90.);
306 AliMatrix (idrotm[nrot+1],90.,180.,90.+ang,90.,ang, 90.);
937fe4a4 307 ycoor = -14.5+ Space; //2 cm over front plate
308 ycoor += (1-(UpDown+1)/2)*Gap;
309 gMC->Gspos("FSTR",j ,"FLT3",0.,ycoor, zcoor,idrotm[nrot], "ONLY");
310 gMC->Gspos("FSTR",j+1,"FLT3",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY");
826b71ec 311 ang = ang / kRaddeg;
937fe4a4 312
313 zcoor=zcoor-(zSenStrip/2)/TMath::Cos(ang)+UpDown*Gap*TMath::Tan(ang)-(zSenStrip/2)/TMath::Cos(ang);
314 UpDown*= -1; // Alternate strips
315 i++;
316 j+=2;
317 } while (zcoor-(StripWidth/2)*TMath::Cos(ang)>-t+zFLT1+zFLT2+7*2.5);
318
319 ycoor = -29./2.+ Space; //2 cm over front plate
320
321 // Plate 2
322 zpos = -zFLT3/2-7.;
323 ang = atan(zpos/sqrt(2*t*t-zpos*zpos));
324 Offset = StripWidth*TMath::Cos(ang)/2;
325 zpos -= Offset;
326 nrot = 0;
327 i=1;
328 // UpDown has not to be reinitialized, so that the arrangement of the strips can continue coherently
329
330 do {
331 ang = atan(zpos/sqrt(2*t*t-zpos*zpos));
826b71ec 332 ang = ang * kRaddeg;
333 AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
937fe4a4 334 ycoor = -29./2.+ Space ; //2 cm over front plate
335 ycoor += (1-(UpDown+1)/2)*Gap;
336 zcoor = zpos+(zFLT3/2.+7+zFLT2/2); // Moves to the system of the centre of the modulus FLT2
337 gMC->Gspos("FSTR",i, "FLT2", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
826b71ec 338 ang = ang / kRaddeg;
937fe4a4 339 zpos = zpos - (zSenStrip/2)/TMath::Cos(ang)+UpDown*Gap*TMath::Tan(ang)-(zSenStrip/2)/TMath::Cos(ang);
340 last = StripWidth*TMath::Cos(ang)/2;
341 UpDown*=-1;
342 i++;
343 } while (zpos-(StripWidth/2)*TMath::Cos(ang)>-t+zFLT1+7);
344
345 // Plate 1
346 zpos = -t+zFLT1+3.5;
347 ang = atan(zpos/sqrt(2*t*t-zpos*zpos));
348 Offset = StripWidth*TMath::Cos(ang)/2.;
349 zpos -= Offset;
350 nrot = 0;
351 i=0;
352 ycoor= -29./2.+Space+Gap/2;
353
354 do {
355 ang = atan(zpos/sqrt(2*t*t-zpos*zpos));
826b71ec 356 ang = ang * kRaddeg;
357 AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
937fe4a4 358 i++;
359 zcoor = zpos+(zFLT1/2+zFLT2+zFLT3/2+7.*2.);
360 gMC->Gspos("FSTR",i, "FLT1", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
826b71ec 361 ang = ang / kRaddeg;
937fe4a4 362 zpos = zpos - zSenStrip/TMath::Cos(ang);
363 last = StripWidth*TMath::Cos(ang)/2.;
364 } while (zpos>-t+7.+last);
365
366printf("#######################################################\n");
d0a635a0 367printf(" Distance from the bound of the FLT3: %f cm \n", t+zpos-(zSenStrip/2)/TMath::Cos(ang));
937fe4a4 368 ang = atan(zpos/sqrt(2*t*t-zpos*zpos));
369 zpos = zpos - zSenStrip/TMath::Cos(ang);
d0a635a0 370printf("NEXT Distance from the bound of the FLT3: %f cm \n", t+zpos-(zSenStrip/2)/TMath::Cos(ang));
937fe4a4 371printf("#######################################################\n");
372
373////////// Layers after detector /////////////////
374
375// Honeycomb layer after (3cm)
376
377 Float_t OverSpace = Space + 7.3;
378/// StripWidth*TMath::Sin(ang) + 1.3;
379
380 par[0] = -1;
381 par[1] = 0.6;
3fe3a833 382 par[2] = -1;
937fe4a4 383 ycoor = -yFLT/2 + OverSpace + par[1];
3fe3a833 384 gMC->Gsvolu("FPE1", "BOX ", idtmed[503], par, 3); // Hony
385 gMC->Gspos("FPE1", 0, "FLT1", 0., ycoor, 0., 0, "ONLY");
386 gMC->Gsvolu("FPE2", "BOX ", idtmed[503], par, 3); // Hony
387 gMC->Gspos("FPE2", 0, "FLT2", 0., ycoor, 0., 0, "ONLY");
388 gMC->Gsvolu("FPE3", "BOX ", idtmed[503], par, 3); // Hony
389 gMC->Gspos("FPE3", 0, "FLT3", 0., ycoor, 0., 0, "ONLY");
937fe4a4 390
391// Electronics (Cu) after
392 ycoor += par[1];
3fe3a833 393 par[0] = -1;
394 par[1] = 1.43*0.05 / 2.; // 5% of X0
395 par[2] = -1;
937fe4a4 396 ycoor += par[1];
3fe3a833 397 gMC->Gsvolu("FEC1", "BOX ", idtmed[501], par, 3); // Cu
398 gMC->Gspos("FEC1", 0, "FLT1", 0., ycoor, 0., 0, "ONLY");
399 gMC->Gsvolu("FEC2", "BOX ", idtmed[501], par, 3); // Cu
400 gMC->Gspos("FEC2", 0, "FLT2", 0., ycoor, 0., 0, "ONLY");
401 gMC->Gsvolu("FEC3", "BOX ", idtmed[501], par, 3); // Cu
402 gMC->Gspos("FEC3", 0, "FLT3", 0., ycoor, 0., 0, "ONLY");
937fe4a4 403
404// Cooling water after
405 ycoor += par[1];
3fe3a833 406 par[0] = -1;
407 par[1] = 36.1*0.02 / 2.; // 2% of X0
408 par[2] = -1;
937fe4a4 409 ycoor += par[1];
3fe3a833 410 gMC->Gsvolu("FWA1", "BOX ", idtmed[515], par, 3); // Water
411 gMC->Gspos("FWA1", 0, "FLT1", 0., ycoor, 0., 0, "ONLY");
412 gMC->Gsvolu("FWA2", "BOX ", idtmed[515], par, 3); // Water
413 gMC->Gspos("FWA2", 0, "FLT2", 0., ycoor, 0., 0, "ONLY");
414 gMC->Gsvolu("FWA3", "BOX ", idtmed[515], par, 3); // Water
415 gMC->Gspos("FWA3", 0, "FLT3", 0., ycoor, 0., 0, "ONLY");
937fe4a4 416
417//back plate honycomb (2cm)
3fe3a833 418 par[0] = -1;
419 par[1] = 2 / 2.;
420 par[2] = -1;
937fe4a4 421 ycoor = yFLT/2 - par[1];
3fe3a833 422 gMC->Gsvolu("FEG1", "BOX ", idtmed[503], par, 3); // Hony
423 gMC->Gspos("FEG1", 0, "FLT1", 0., ycoor, 0., 0, "ONLY");
424 gMC->Gsvolu("FEG2", "BOX ", idtmed[503], par, 3); // Hony
425 gMC->Gspos("FEG2", 0, "FLT2", 0., ycoor, 0., 0, "ONLY");
426 gMC->Gsvolu("FEG3", "BOX ", idtmed[503], par, 3); // Hony
427 gMC->Gspos("FEG3", 0, "FLT3", 0., ycoor, 0., 0, "ONLY");
428}
fe4da5cc 429
3fe3a833 430//_____________________________________________________________________________
431void AliTOFv0::DrawModule()
432{
433 //
937fe4a4 434 // Draw a shaded view of the Time Of Flight version 1
3fe3a833 435 //
fe4da5cc 436 // Set everything unseen
cfce8870 437 gMC->Gsatt("*", "seen", -1);
fe4da5cc 438 //
439 // Set ALIC mother transparent
cfce8870 440 gMC->Gsatt("ALIC","SEEN",0);
fe4da5cc 441 //
442 // Set the volumes visible
3fe3a833 443 gMC->Gsatt("ALIC","SEEN",0);
444 gMC->Gsatt("FBAR","SEEN",1);
445 gMC->Gsatt("FTO1","SEEN",1);
446 gMC->Gsatt("FTO2","SEEN",1);
447 gMC->Gsatt("FTO3","SEEN",1);
cfce8870 448 gMC->Gsatt("FBT1","SEEN",1);
449 gMC->Gsatt("FBT2","SEEN",1);
450 gMC->Gsatt("FBT3","SEEN",1);
3fe3a833 451 gMC->Gsatt("FDT1","SEEN",1);
452 gMC->Gsatt("FDT2","SEEN",1);
453 gMC->Gsatt("FDT3","SEEN",1);
454 gMC->Gsatt("FLT1","SEEN",1);
455 gMC->Gsatt("FLT2","SEEN",1);
456 gMC->Gsatt("FLT3","SEEN",1);
937fe4a4 457 gMC->Gsatt("FPL1","SEEN",1);
458 gMC->Gsatt("FPL2","SEEN",1);
459 gMC->Gsatt("FPL3","SEEN",1);
460 gMC->Gsatt("FLD1","SEEN",1);
461 gMC->Gsatt("FLD2","SEEN",1);
462 gMC->Gsatt("FLD3","SEEN",1);
463 gMC->Gsatt("FLZ1","SEEN",1);
464 gMC->Gsatt("FLZ2","SEEN",1);
465 gMC->Gsatt("FLZ3","SEEN",1);
466 gMC->Gsatt("FLX1","SEEN",1);
467 gMC->Gsatt("FLX2","SEEN",1);
468 gMC->Gsatt("FLX3","SEEN",1);
469 gMC->Gsatt("FPA0","SEEN",1);
cfce8870 470 //
471 gMC->Gdopt("hide", "on");
472 gMC->Gdopt("shad", "on");
473 gMC->Gsatt("*", "fill", 7);
cfce8870 474 gMC->SetClipBox(".");
475 gMC->SetClipBox("*", 0, 1000, -1000, 1000, -1000, 1000);
476 gMC->DefaultRange();
477 gMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .02, .02);
478 gMC->Gdhead(1111, "Time Of Flight");
479 gMC->Gdman(18, 4, "MAN");
480 gMC->Gdopt("hide","off");
fe4da5cc 481}
482
483//_____________________________________________________________________________
484void AliTOFv0::CreateMaterials()
485{
486 //
487 // Define materials for the Time Of Flight
488 //
489 AliTOF::CreateMaterials();
490}
491
492//_____________________________________________________________________________
493void AliTOFv0::Init()
494{
495 //
3fe3a833 496 // Initialise the detector after the geometry has been defined
fe4da5cc 497 //
ab76897d 498 printf("**************************************"
499 " TOF "
500 "**************************************\n");
501 printf("\n Version 0 of TOF initialing, "
502 "with openings for PHOS and RICH\n\n");
503
fe4da5cc 504 AliTOF::Init();
ab76897d 505
3fe3a833 506 fIdFTO2=gMC->VolId("FTO2");
507 fIdFTO3=gMC->VolId("FTO3");
508 fIdFLT1=gMC->VolId("FLT1");
509 fIdFLT2=gMC->VolId("FLT2");
510 fIdFLT3=gMC->VolId("FLT3");
ab76897d 511
512 printf("**************************************"
513 " TOF "
514 "**************************************\n");
fe4da5cc 515}
516
517//_____________________________________________________________________________
518void AliTOFv0::StepManager()
519{
520 //
521 // Procedure called at each step in the Time Of Flight
3fe3a833 522 //
523 TLorentzVector mom, pos;
826b71ec 524 Float_t hits[8],rho,phi,phid,z;
525 Int_t sector, plate, pad_x, pad_z, strip;
526 Int_t copy, pad_z_id, pad_x_id, strip_id, i;
ad51aeb0 527 Int_t *idtmed = fIdtmed->GetArray()-499;
826b71ec 528
529
530 if(gMC->GetMedium()==idtmed[513] &&
0a6d8768 531 gMC->IsTrackEntering() && gMC->TrackCharge()
826b71ec 532 && gMC->CurrentVolID(copy)==fIdSens)
533 {
fe4da5cc 534 TClonesArray &lhits = *fHits;
826b71ec 535
536 //_________getting information about hit volumes_____________
537
538 pad_z_id=gMC->CurrentVolOffID(2,copy);
539 pad_z=copy;
540
541 pad_x_id=gMC->CurrentVolOffID(1,copy);
542 pad_x=copy;
543
544 strip_id=gMC->CurrentVolOffID(5,copy);
545 strip=copy;
546
547 pad_z = (strip-1)*2+pad_z;
548
0a6d8768 549 gMC->TrackPosition(pos);
550 gMC->TrackMomentum(mom);
826b71ec 551
552 rho = sqrt(pos[0]*pos[0]+pos[1]*pos[1]);
553 phi = TMath::ACos(pos[0]/rho);
554 Float_t as = TMath::ASin(pos[1]/rho);
555 if (as<0) phi = 2*3.141592654-phi;
556
557 z = pos[2];
558
559 if (z<= 62. && z>=-62.) plate = 3;
560 if (z<= 216. && z>62.) plate = 4;
561 if (z>=-216. && z<-62.) plate = 2;
562 if (z>216.) plate = 5;
563 if (z<-216.) plate = 1;
564
565 phid = phi*kRaddeg;
566 sector = Int_t (phid/20.);
567 sector++;
568
0a6d8768 569 Double_t ptot=mom.Rho();
570 Double_t norm=1/ptot;
571 for(i=0;i<3;++i) {
572 hits[i]=pos[i];
573 hits[i+3]=mom[i]*norm;
574 }
575 hits[6]=ptot;
576 hits[7]=pos[3];
826b71ec 577 new(lhits[fNhits++]) AliTOFhit(fIshunt,gAlice->CurrentTrack(),sector, plate, pad_x, pad_z, hits);
fe4da5cc 578 }
579}
937fe4a4 580
826b71ec 581