Added protections against using the wrong version of FRAME
[u/mrichter/AliRoot.git] / TOF / AliTOFv4.cxx
CommitLineData
937fe4a4 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$Log$
ab76897d 18Revision 1.2 1999/10/16 19:22:18 fca
19Corrected Rotation Matrix and CVS log
20
0172a4d9 21Revision 1.1 1999/10/15 15:35:20 fca
22New version for frame1099 with and without holes
937fe4a4 23
24*/
25
26///////////////////////////////////////////////////////////////////////////////
27// //
28// Time Of Flight: design of C.Williams FCA //
29// This class contains the functions for version 1 of the Time Of Flight //
30// detector. //
31//
32// VERSION WITH 5 MODULES AND FLAT PLATES
33//
34// WITH HOLES FOR PHOS AND HMPID inside the
35// SPACE FRAME WITH HOLES
36//
37// Authors:
38//
39// Alessio Seganti
40// Domenico Vicinanza
41//
42// University of Salerno - Italy
43//
44//
45//Begin_Html
46/*
47<img src="picts/AliTOFv4Class.gif">
48*/
49//End_Html
50// //
51///////////////////////////////////////////////////////////////////////////////
52
ab76897d 53#include <stdlib.h>
54
937fe4a4 55#include "AliTOFv4.h"
56#include "AliRun.h"
57#include "AliConst.h"
58
59ClassImp(AliTOFv4)
60
61//_____________________________________________________________________________
62AliTOFv4::AliTOFv4()
63{
64 //
65 // Default constructor
66 //
67}
68
69//_____________________________________________________________________________
70AliTOFv4::AliTOFv4(const char *name, const char *title)
71 : AliTOF(name,title)
72{
73 //
74 // Standard constructor
75 //
76}
77
78//_____________________________________________________________________________
79void AliTOFv4::CreateGeometry()
80{
81 //
82 // Create geometry for Time Of Flight version 0
83 //
84 //Begin_Html
85 /*
86 <img src="picts/AliTOFv4.gif">
87 */
88 //End_Html
89 //
90 // Creates common geometry
91 //
92 AliTOF::CreateGeometry();
93}
94
95//_____________________________________________________________________________
96void AliTOFv4::TOFpc(Float_t xtof, Float_t ytof, Float_t zlen1,
97 Float_t zlen2, Float_t zlen3, Float_t ztof0)
98{
99 //
100 // Definition of the Time Of Fligh Resistive Plate Chambers
101 // xFLT, yFLT, zFLT - sizes of TOF modules (large)
102
103 Int_t idrotm[100];
104 Float_t ycoor, zcoor;
105 Float_t par[10];
106 Float_t yFREON, xp, yp, zp;
107
108 Int_t *idtmed = fIdtmed->GetArray()-499;
109
110 par[0] = xtof / 2.;
111 par[1] = ytof / 2.;
112 par[2] = zlen1 / 2.;
113 gMC->Gsvolu("FTO1", "BOX ", idtmed[506], par, 3);
114 par[2] = zlen2 / 2.;
115 gMC->Gsvolu("FTO2", "BOX ", idtmed[506], par, 3);
116 par[2] = zlen3 / 2.;
117 gMC->Gsvolu("FTO3", "BOX ", idtmed[506], par, 3);
118
119
120// Positioning of modules
121
122 Float_t zcor1 = ztof0 - zlen1/2;
123 Float_t zcor2 = ztof0 - zlen1 - zlen2/2.;
124 Float_t zcor3 = 0.;
125
126 AliMatrix(idrotm[0], 90., 0., 0., 0., 90, -90.);
127 AliMatrix(idrotm[1], 90., 180., 0., 0., 90, 90.);
128 gMC->Gspos("FTO1", 1, "BTO1", 0, zcor1, 0, idrotm[0], "ONLY");
129 gMC->Gspos("FTO1", 2, "BTO1", 0, -zcor1, 0, idrotm[1], "ONLY");
130 zcoor = (zlen1/2.);
131 gMC->Gspos("FTO1", 1, "BTO2", 0, zcoor, 0, idrotm[0], "ONLY");
132 zcoor = 0.;
133 gMC->Gspos("FTO1", 1, "BTO3", 0, zcoor, 0, idrotm[0], "ONLY");
134
135 gMC->Gspos("FTO2", 1, "BTO1", 0, zcor2, 0, idrotm[0], "ONLY");
136 gMC->Gspos("FTO2", 2, "BTO1", 0, -zcor2, 0, idrotm[1], "ONLY");
137 zcoor = -zlen2/2.;
138 gMC->Gspos("FTO2", 0, "BTO2", 0, zcoor, 0, idrotm[0], "ONLY");
139
140 gMC->Gspos("FTO3", 0, "BTO1", 0, zcor3, 0, idrotm[0], "ONLY");
141
142// Subtraction the distance to TOF module boundaries
143
144 Float_t db = 7.;
145 Float_t xFLT, yFLT, zFLT1, zFLT2, zFLT3;
146
147 xFLT = xtof -(.5 +.5)*2;
148 yFLT = ytof;
149 zFLT1 = zlen1 - db;
150 zFLT2 = zlen2 - db;
151 zFLT3 = zlen3 - db;
152
153
154
155// freon gaps in MRPC chamber
156 yFREON = .11; //cm
157
158// Sizes of MRPC pads
159
160 xp = 3.0;
161 yp = 12.3*0.05; // 5% X0 of glass
162 zp = 3.0;
163
164// Subtraction of dead boundaries in X=2 cm and Z=7/2 cm
165
166cout <<"************************* TOF geometry **************************"<<endl;
167
168 Int_t nz1, nz2, nz3, nx; //- numbers of pixels
169 nx = Int_t (xFLT/xp);
170
171 printf("Number of pixel along x axis = %i",nx);
172
173 par[0] = xFLT/2;
174 par[1] = yFLT/2;
175 par[2] = (zFLT1 / 2.);
176 nz1 = Int_t (par[2]*2/zp);
177 gMC->Gsvolu("FLT1", "BOX ", idtmed[506], par, 3); // CO2
178 gMC->Gspos("FLT1", 0, "FTO1", 0., 0., 0., 0, "ONLY");
179 printf("Number of pixel along z axis (module 1) = %i",nz1);
180
181 par[2] = (zFLT2 / 2.);
182 nz2 = Int_t (par[2]*2/zp);
183 gMC->Gsvolu("FLT2", "BOX ", idtmed[506], par, 3); // CO2
184 gMC->Gspos("FLT2", 0, "FTO2", 0., 0., 0., 0, "ONLY");
185 printf("Number of pixel along z axis (module 2) = %i",nz2);
186
187 par[2] = (zFLT3 / 2.);
188 nz3 = Int_t (par[2]*2/zp);
189 gMC->Gsvolu("FLT3", "BOX ", idtmed[506], par, 3); // CO2
190 gMC->Gspos("FLT3", 0, "FTO3", 0., 0., 0., 0, "ONLY");
191 printf("Number of pixel along z axis (module 3) = %i",nz3);
192
193////////// Layers before detector ////////////////////
194
195// Alluminium layer in front 1.0 mm thick at the beginning
196 par[0] = -1;
197 par[1] = 0.1;
198 par[2] = -1;
199 ycoor = -yFLT/2 + par[1];
200 gMC->Gsvolu("FMY1", "BOX ", idtmed[508], par, 3); // Alluminium
201 gMC->Gspos("FMY1", 0, "FLT1", 0., ycoor, 0., 0, "ONLY");
202 gMC->Gsvolu("FMY2", "BOX ", idtmed[508], par, 3); // Alluminium
203 gMC->Gspos("FMY2", 0, "FLT2", 0., ycoor, 0., 0, "ONLY");
204 gMC->Gsvolu("FMY3", "BOX ", idtmed[508], par, 3); // Alluminium
205 gMC->Gspos("FMY3", 0, "FLT3", 0., ycoor, 0., 0, "ONLY");
206
207// Honeycomb layer (1cm of special polyethilene)
208 ycoor = ycoor + par[1];
209 par[0] = -1;
210 par[1] = 0.5;
211 par[2] = -1;
212 ycoor = ycoor + par[1];
213 gMC->Gsvolu("FPL1", "BOX ", idtmed[503], par, 3); // Hony
214 gMC->Gspos("FPL1", 0, "FLT1", 0., ycoor, 0., 0, "ONLY");
215 gMC->Gsvolu("FPL2", "BOX ", idtmed[503], par, 3); // Hony
216 gMC->Gspos("FPL2", 0, "FLT2", 0., ycoor, 0., 0, "ONLY");
217 gMC->Gsvolu("FPL3", "BOX ", idtmed[503], par, 3); // Hony
218 gMC->Gspos("FPL3", 0, "FLT3", 0., ycoor, 0., 0, "ONLY");
219
220///////////////// Detector itself //////////////////////
221
222 const Float_t SpaceBefore=2.; // Space Beetween detector & Front Panel
223
224 par[0] = -1;
225 par[1] = yp/2; // 5 %X0 thick of glass
226 par[2] = -1;
227 ycoor = -yFLT/2 + SpaceBefore;
228 gMC->Gsvolu("FLD1", "BOX ", idtmed[514], par, 3); // Glass
229 gMC->Gspos("FLD1", 0, "FLT1", 0., ycoor, 0., 0, "ONLY");
230 gMC->Gsvolu("FLD2", "BOX ", idtmed[514], par, 3); // Glass
231 gMC->Gspos("FLD2", 0, "FLT2", 0., ycoor, 0., 0, "ONLY");
232 gMC->Gsvolu("FLD3", "BOX ", idtmed[514], par, 3); // Glass
233 gMC->Gspos("FLD3", 0, "FLT3", 0., ycoor, 0., 0, "ONLY");
234
235 gMC->Gsdvn("FLZ1", "FLD1", nz1, 3); //pixel size xp=zp=3
236 gMC->Gsdvn("FLZ2", "FLD2", nz2, 3);
237 gMC->Gsdvn("FLZ3", "FLD3", nz3, 3);
238 gMC->Gsdvn("FLX1", "FLZ1", nx, 1);
239 gMC->Gsdvn("FLX2", "FLZ2", nx, 1);
240 gMC->Gsdvn("FLX3", "FLZ3", nx, 1);
241
242// MRPC pixel itself
243 par[0] = -1;//xp/2;
244 par[1] = -1;//yp/2; // 5 %X0 thick of glass
245 par[2] = -1;//zp/2;
246 gMC->Gsvolu("FPA0", "BOX ", idtmed[514], par, 3);// Glass
247 gMC->Gspos("FPA0", 1, "FLX1", 0., 0., 0., 0, "ONLY");
248 gMC->Gspos("FPA0", 2, "FLX2", 0., 0., 0., 0, "ONLY");
249 gMC->Gspos("FPA0", 3, "FLX3", 0., 0., 0., 0, "ONLY");
250
251// Freon gas sencitive vol.ume
252 par[0] = -1;
253 par[1] = yFREON/2;
254 par[2] = -1;
255 gMC->Gsvolu("FPAD", "BOX ", idtmed[513], par, 3);// Freon
256 gMC->Gspos("FPAD", 0, "FPA0", 0., 0., 0., 0, "ONLY");
257
258////////// Layers after detector ////////////////////
259
260 const Float_t SpaceAfter = 6.; //Space beetween detector & Back Panel
261
262// Honeycomb layer after (3cm)
263 par[0] = -1;
264 par[1] = 0.6;
265 par[2] = -1;
266 ycoor = -yFLT/2 + SpaceAfter - par[1];
267 gMC->Gsvolu("FPE1", "BOX ", idtmed[503], par, 3); // Hony
268 gMC->Gspos("FPE1", 0, "FLT1", 0., ycoor, 0., 0, "ONLY");
269 gMC->Gsvolu("FPE2", "BOX ", idtmed[503], par, 3); // Hony
270 gMC->Gspos("FPE2", 0, "FLT2", 0., ycoor, 0., 0, "ONLY");
271 gMC->Gsvolu("FPE3", "BOX ", idtmed[503], par, 3); // Hony
272 gMC->Gspos("FPE3", 0, "FLT3", 0., ycoor, 0., 0, "ONLY");
273
274// Electronics (Cu) after
275 par[0] = -1;
276 par[1] = 1.43*0.05 / 2.; // 5% of X0
277 par[2] = -1;
278 ycoor = -yFLT/2 + SpaceAfter +par[1];
279 gMC->Gsvolu("FEC1", "BOX ", idtmed[501], par, 3); // Cu
280 gMC->Gspos("FEC1", 0, "FLT1", 0., ycoor, 0., 0, "ONLY");
281 gMC->Gsvolu("FEC2", "BOX ", idtmed[501], par, 3); // Cu
282 gMC->Gspos("FEC2", 0, "FLT2", 0., ycoor, 0., 0, "ONLY");
283 gMC->Gsvolu("FEC3", "BOX ", idtmed[501], par, 3); // Cu
284 gMC->Gspos("FEC3", 0, "FLT3", 0., ycoor, 0., 0, "ONLY");
285
286// Cooling water after
287 ycoor = ycoor+par[1];
288 par[0] = -1;
289 par[1] = 36.1*0.02 / 2.; // 2% of X0
290 par[2] = -1;
291 ycoor = ycoor+par[1];
292 gMC->Gsvolu("FWA1", "BOX ", idtmed[515], par, 3); // Water
293 gMC->Gspos("FWA1", 0, "FLT1", 0., ycoor, 0., 0, "ONLY");
294 gMC->Gsvolu("FWA2", "BOX ", idtmed[515], par, 3); // Water
295 gMC->Gspos("FWA2", 0, "FLT2", 0., ycoor, 0., 0, "ONLY");
296 gMC->Gsvolu("FWA3", "BOX ", idtmed[515], par, 3); // Water
297 gMC->Gspos("FWA3", 0, "FLT3", 0., ycoor, 0., 0, "ONLY");
298
299//back plate honycomb (2cm)
300 par[0] = -1;
301 par[1] = 1.;
302 par[2] = -1;
303 ycoor = yFLT/2 - par[1];
304 gMC->Gsvolu("FEG1", "BOX ", idtmed[503], par, 3); // Hony
305 gMC->Gspos("FEG1", 0, "FLT1", 0., ycoor, 0., 0, "ONLY");
306 gMC->Gsvolu("FEG2", "BOX ", idtmed[503], par, 3); // Hony
307 gMC->Gspos("FEG2", 0, "FLT2", 0., ycoor, 0., 0, "ONLY");
308 gMC->Gsvolu("FEG3", "BOX ", idtmed[503], par, 3); // Hony
309 gMC->Gspos("FEG3", 0, "FLT3", 0., ycoor, 0., 0, "ONLY");
310}
311
312//_____________________________________________________________________________
313void AliTOFv4::DrawModule()
314{
315 //
316 // Draw a shaded view of the Time Of Flight version 1
317 //
318 // Set everything unseen
319 gMC->Gsatt("*", "seen", -1);
320 //
321 // Set ALIC mother transparent
322 gMC->Gsatt("ALIC","SEEN",0);
323 //
324 // Set the volumes visible
325 gMC->Gsatt("ALIC","SEEN",0);
326 gMC->Gsatt("FBAR","SEEN",1);
327 gMC->Gsatt("FTO1","SEEN",1);
328 gMC->Gsatt("FTO2","SEEN",1);
329 gMC->Gsatt("FTO3","SEEN",1);
330 gMC->Gsatt("FBT1","SEEN",1);
331 gMC->Gsatt("FBT2","SEEN",1);
332 gMC->Gsatt("FBT3","SEEN",1);
333 gMC->Gsatt("FDT1","SEEN",1);
334 gMC->Gsatt("FDT2","SEEN",1);
335 gMC->Gsatt("FDT3","SEEN",1);
336 gMC->Gsatt("FLT1","SEEN",1);
337 gMC->Gsatt("FLT2","SEEN",1);
338 gMC->Gsatt("FLT3","SEEN",1);
339 gMC->Gsatt("FPL1","SEEN",1);
340 gMC->Gsatt("FPL2","SEEN",1);
341 gMC->Gsatt("FPL3","SEEN",1);
342 gMC->Gsatt("FLD1","SEEN",1);
343 gMC->Gsatt("FLD2","SEEN",1);
344 gMC->Gsatt("FLD3","SEEN",1);
345 gMC->Gsatt("FLZ1","SEEN",1);
346 gMC->Gsatt("FLZ2","SEEN",1);
347 gMC->Gsatt("FLZ3","SEEN",1);
348 gMC->Gsatt("FLX1","SEEN",1);
349 gMC->Gsatt("FLX2","SEEN",1);
350 gMC->Gsatt("FLX3","SEEN",1);
351 gMC->Gsatt("FPA0","SEEN",1);
352 //
353 gMC->Gdopt("hide", "on");
354 gMC->Gdopt("shad", "on");
355 gMC->Gsatt("*", "fill", 7);
356 gMC->SetClipBox(".");
357 gMC->SetClipBox("*", 0, 1000, -1000, 1000, -1000, 1000);
358 gMC->DefaultRange();
359 gMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .02, .02);
360 gMC->Gdhead(1111, "Time Of Flight");
361 gMC->Gdman(18, 4, "MAN");
362 gMC->Gdopt("hide","off");
363}
364
365//_____________________________________________________________________________
366void AliTOFv4::CreateMaterials()
367{
368 //
369 // Define materials for the Time Of Flight
370 //
371 AliTOF::CreateMaterials();
372}
373
374//_____________________________________________________________________________
375void AliTOFv4::Init()
376{
377 //
378 // Initialise the detector after the geometry has been defined
379 //
ab76897d 380 printf("**************************************"
381 " TOF "
382 "**************************************\n");
383 printf("\n Version 4 of TOF initialing, "
384 "with openings for PHOS and RICH\n\n");
385
937fe4a4 386 AliTOF::Init();
ab76897d 387
388 //
389 // Check that FRAME is there otherwise we have no place where to
390 // put TOF
391 AliModule* FRAME=gAlice->GetModule("FRAME");
392 if(!FRAME) {
393 Error("Ctor","TOF needs FRAME to be present\n");
394 exit(1);
395 } else
396 if(FRAME->IsVersion()!=0) {
397 Error("Ctor","FRAME version 0 needed with this version of TOF\n");
398 exit(1);
399 }
400
937fe4a4 401 fIdFTO2=gMC->VolId("FTO2");
402 fIdFTO3=gMC->VolId("FTO3");
403 fIdFLT1=gMC->VolId("FLT1");
404 fIdFLT2=gMC->VolId("FLT2");
405 fIdFLT3=gMC->VolId("FLT3");
ab76897d 406 printf("**************************************"
407 " TOF "
408 "**************************************\n");
937fe4a4 409}
410
411//_____________________________________________________________________________
412void AliTOFv4::StepManager()
413{
414 //
415 // Procedure called at each step in the Time Of Flight
416 //
417 TLorentzVector mom, pos;
418 Float_t hits[8];
419 Int_t vol[3];
420 Int_t copy, id, i;
421 Int_t *idtmed = fIdtmed->GetArray()-499;
422 if(gMC->GetMedium()==idtmed[514-1] &&
423 gMC->IsTrackEntering() && gMC->TrackCharge()
424 && gMC->CurrentVolID(copy)==fIdSens) {
425 TClonesArray &lhits = *fHits;
426 //
427 // Record only charged tracks at entrance
428 gMC->CurrentVolOffID(1,copy);
429 vol[2]=copy;
430 gMC->CurrentVolOffID(3,copy);
431 vol[1]=copy;
432 id=gMC->CurrentVolOffID(8,copy);
433 vol[0]=copy;
434 if(id==fIdFTO3) {
435 vol[0]+=22;
436 id=gMC->CurrentVolOffID(5,copy);
437 if(id==fIdFLT3) vol[1]+=6;
438 } else if (id==fIdFTO2) {
439 vol[0]+=20;
440 id=gMC->CurrentVolOffID(5,copy);
441 if(id==fIdFLT2) vol[1]+=8;
442 } else {
443 id=gMC->CurrentVolOffID(5,copy);
444 if(id==fIdFLT1) vol[1]+=14;
445 }
446 gMC->TrackPosition(pos);
447 gMC->TrackMomentum(mom);
448 //
449 Double_t ptot=mom.Rho();
450 Double_t norm=1/ptot;
451 for(i=0;i<3;++i) {
452 hits[i]=pos[i];
453 hits[i+3]=mom[i]*norm;
454 }
455 hits[6]=ptot;
456 hits[7]=pos[3];
457 new(lhits[fNhits++]) AliTOFhit(fIshunt,gAlice->CurrentTrack(),vol,hits);
458 }
459}
460