1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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 **************************************************************************/
18 Revision 1.6 2000/05/10 16:52:18 vicinanz
19 New TOF version with holes for PHOS/RICH
21 Revision 1.4.2.1 2000/05/10 09:37:16 vicinanz
22 New version with Holes for PHOS/RICH
24 Revision 1.14 1999/11/05 22:39:06 fca
27 Revision 1.13 1999/11/02 11:26:39 fca
28 added stdlib.h for exit
30 Revision 1.12 1999/11/01 20:41:57 fca
31 Added protections against using the wrong version of FRAME
33 Revision 1.11 1999/10/22 08:04:14 fca
34 Correct improper use of negative parameters
36 Revision 1.10 1999/10/16 19:30:06 fca
37 Corrected Rotation Matrix and CVS log
39 Revision 1.9 1999/10/15 15:35:20 fca
40 New version for frame1099 with and without holes
42 Revision 1.8 1999/09/29 09:24:33 fca
43 Introduction of the Copyright and cvs Log
47 ///////////////////////////////////////////////////////////////////////////////
49 // Time Of Flight: design of C.Williams
51 // This class contains the functions for version 1 of the Time Of Flight //
54 // VERSION WITH 5 MODULES AND TILTED STRIPS
56 // FULL COVERAGE VERSION
63 // University of Salerno - Italy
68 <img src="picts/AliTOFv4Class.gif">
72 ///////////////////////////////////////////////////////////////////////////////
79 #include "TGeometry.h"
89 //_____________________________________________________________________________
93 // Default constructor
97 //_____________________________________________________________________________
98 AliTOFv4::AliTOFv4(const char *name, const char *title)
102 // Standard constructor
105 // Check that FRAME is there otherwise we have no place where to
107 AliModule* FRAME=gAlice->GetModule("FRAME");
109 Error("Ctor","TOF needs FRAME to be present\n");
112 if(FRAME->IsVersion()!=1) {
113 Error("Ctor","FRAME version 1 needed with this version of TOF\n");
119 //_____________________________________________________________________________
120 void AliTOFv4::BuildGeometry()
123 // Build TOF ROOT geometry for the ALICE event display
126 const int kColorTOF = 27;
129 Top = gAlice->GetGeometry()->GetNode("alice");
131 // Position the different copies
132 const Float_t rTof =(fRmax+fRmin)/2;
133 const Float_t hTof = fRmax-fRmin;
134 const Int_t fNTof = 18;
135 const Float_t kPi = TMath::Pi();
136 const Float_t angle = 2*kPi/fNTof;
139 // Define TOF basic volume
141 char NodeName0[6], NodeName1[6], NodeName2[6];
142 char NodeName3[6], NodeName4[6], RotMatNum[6];
144 new TBRIK("S_TOF_C","TOF box","void",
145 120*0.5,hTof*0.5,fZlenC*0.5);
146 new TBRIK("S_TOF_B","TOF box","void",
147 120*0.5,hTof*0.5,fZlenB*0.5);
148 new TBRIK("S_TOF_A","TOF box","void",
149 120*0.5,hTof*0.5,fZlenA*0.5);
151 for (Int_t NodeNum=1;NodeNum<19;NodeNum++){
154 sprintf(RotMatNum,"rot50%i",NodeNum);
155 sprintf(NodeName0,"FTO00%i",NodeNum);
156 sprintf(NodeName1,"FTO10%i",NodeNum);
157 sprintf(NodeName2,"FTO20%i",NodeNum);
158 sprintf(NodeName3,"FTO30%i",NodeNum);
159 sprintf(NodeName4,"FTO40%i",NodeNum);
162 sprintf(RotMatNum,"rot5%i",NodeNum);
163 sprintf(NodeName0,"FTO0%i",NodeNum);
164 sprintf(NodeName1,"FTO1%i",NodeNum);
165 sprintf(NodeName2,"FTO2%i",NodeNum);
166 sprintf(NodeName3,"FTO3%i",NodeNum);
167 sprintf(NodeName4,"FTO4%i",NodeNum);
170 new TRotMatrix(RotMatNum,RotMatNum,90,-20*NodeNum,90,90-20*NodeNum,0,0);
171 ang = (4.5-NodeNum) * angle;
174 Node = new TNode(NodeName0,NodeName0,"S_TOF_C",rTof*TMath::Cos(ang),rTof*TMath::Sin(ang),299.15,RotMatNum);
175 Node->SetLineColor(kColorTOF);
179 Node = new TNode(NodeName1,NodeName1,"S_TOF_C",rTof*TMath::Cos(ang),rTof*TMath::Sin(ang),-299.15,RotMatNum);
180 Node->SetLineColor(kColorTOF);
184 Node = new TNode(NodeName2,NodeName2,"S_TOF_B",rTof*TMath::Cos(ang),rTof*TMath::Sin(ang),146.45,RotMatNum);
185 Node->SetLineColor(kColorTOF);
189 Node = new TNode(NodeName3,NodeName3,"S_TOF_B",rTof*TMath::Cos(ang),rTof*TMath::Sin(ang),-146.45,RotMatNum);
190 Node->SetLineColor(kColorTOF);
194 Node = new TNode(NodeName4,NodeName4,"S_TOF_A",rTof*TMath::Cos(ang),rTof*TMath::Sin(ang),0.,RotMatNum);
195 Node->SetLineColor(kColorTOF);
202 //_____________________________________________________________________________
203 void AliTOFv4::CreateGeometry()
206 // Create geometry for Time Of Flight version 0
210 <img src="picts/AliTOFv4.gif">
214 // Creates common geometry
216 AliTOF::CreateGeometry();
219 //_____________________________________________________________________________
220 void AliTOFv4::TOFpc(Float_t xtof, Float_t ytof, Float_t zlenC,
221 Float_t zlenB, Float_t zlenA, Float_t ztof0)
224 // Definition of the Time Of Fligh Resistive Plate Chambers
225 // xFLT, yFLT, zFLT - sizes of TOF modules (large)
227 Float_t ycoor, zcoor;
229 Int_t *idtmed = fIdtmed->GetArray()-499;
232 Float_t hTof = fRmax-fRmin;
234 Float_t Radius = fRmin+2.;//cm
238 par[2] = zlenC * 0.5;
239 gMC->Gsvolu("FTOC", "BOX ", idtmed[506], par, 3);
240 par[2] = zlenB * 0.5;
241 gMC->Gsvolu("FTOB", "BOX ", idtmed[506], par, 3);
242 par[2] = zlenA * 0.5;
243 gMC->Gsvolu("FTOA", "BOX ", idtmed[506], par, 3);
246 // Positioning of modules
248 Float_t zcor1 = ztof0 - zlenC*0.5;
249 Float_t zcor2 = ztof0 - zlenC - zlenB*0.5;
252 AliMatrix(idrotm[0], 90., 0., 0., 0., 90,-90.);
253 AliMatrix(idrotm[1], 90.,180., 0., 0., 90, 90.);
254 gMC->Gspos("FTOC", 1, "BTO1", 0, zcor1, 0, idrotm[0], "ONLY");
255 gMC->Gspos("FTOC", 2, "BTO1", 0, -zcor1, 0, idrotm[1], "ONLY");
256 gMC->Gspos("FTOC", 1, "BTO2", 0, zcor1, 0, idrotm[0], "ONLY");
257 gMC->Gspos("FTOC", 2, "BTO2", 0, -zcor1, 0, idrotm[1], "ONLY");
258 gMC->Gspos("FTOC", 1, "BTO3", 0, zcor1, 0, idrotm[0], "ONLY");
259 gMC->Gspos("FTOC", 2, "BTO3", 0, -zcor1, 0, idrotm[1], "ONLY");
261 gMC->Gspos("FTOB", 1, "BTO1", 0, zcor2, 0, idrotm[0], "ONLY");
262 gMC->Gspos("FTOB", 2, "BTO1", 0, -zcor2, 0, idrotm[1], "ONLY");
263 gMC->Gspos("FTOB", 1, "BTO2", 0, zcor2, 0, idrotm[0], "ONLY");
264 gMC->Gspos("FTOB", 2, "BTO2", 0, -zcor2, 0, idrotm[1], "ONLY");
265 gMC->Gspos("FTOB", 1, "BTO3", 0, zcor2, 0, idrotm[0], "ONLY");
266 gMC->Gspos("FTOB", 2, "BTO3", 0, -zcor2, 0, idrotm[1], "ONLY");
268 gMC->Gspos("FTOA", 0, "BTO1", 0, zcor3, 0, idrotm[0], "ONLY");
269 gMC->Gspos("FTOA", 0, "BTO2", 0, zcor3, 0, idrotm[0], "ONLY");
270 gMC->Gspos("FTOA", 0, "BTO3", 0, zcor3, 0, idrotm[0], "ONLY");
272 Float_t db = 0.5;//cm
273 Float_t xFLT, xFST, yFLT, zFLTA, zFLTB, zFLTC;
281 xFST = xFLT-fDeadBndX*2;//cm
283 // Sizes of MRPC pads
285 Float_t yPad = 0.505;//cm
287 // Large not sensitive volumes with CO2
291 cout <<"************************* TOF geometry **************************"<<endl;
293 par[2] = (zFLTA *0.5);
294 gMC->Gsvolu("FLTA", "BOX ", idtmed[506], par, 3); // CO2
295 gMC->Gspos ("FLTA", 0, "FTOA", 0., 0., 0., 0, "ONLY");
297 par[2] = (zFLTB * 0.5);
298 gMC->Gsvolu("FLTB", "BOX ", idtmed[506], par, 3); // CO2
299 gMC->Gspos ("FLTB", 0, "FTOB", 0., 0., 0., 0, "ONLY");
301 par[2] = (zFLTC * 0.5);
302 gMC->Gsvolu("FLTC", "BOX ", idtmed[506], par, 3); // CO2
303 gMC->Gspos ("FLTC", 0, "FTOC", 0., 0., 0., 0, "ONLY");
305 ////////// Layers before detector ////////////////////
307 // MYlar layer in front 1.0 mm thick at the beginning
311 ycoor = -yFLT/2 + par[1];
312 gMC->Gsvolu("FMYA", "BOX ", idtmed[508], par, 3); // Alluminium
313 gMC->Gspos ("FMYA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
314 gMC->Gsvolu("FMYB", "BOX ", idtmed[508], par, 3); // Alluminium
315 gMC->Gspos ("FMYB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
316 gMC->Gsvolu("FMYC", "BOX ", idtmed[508], par, 3); // Alluminium
317 gMC->Gspos ("FMYC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
319 // honeycomb (special Polyethilene Layer of 1cm)
320 ycoor = ycoor + par[1];
324 ycoor = ycoor + par[1];
325 gMC->Gsvolu("FPLA", "BOX ", idtmed[503], par, 3); // Hony
326 gMC->Gspos ("FPLA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
327 gMC->Gsvolu("FPLB", "BOX ", idtmed[503], par, 3); // Hony
328 gMC->Gspos ("FPLB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
329 gMC->Gsvolu("FPLC", "BOX ", idtmed[503], par, 3); // Hony
330 gMC->Gspos ("FPLC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
332 ///////////////// Detector itself //////////////////////
334 const Float_t DeadBound = fDeadBndZ; //cm non-sensitive between the pad edge
335 //and the boundary of the strip
336 const Int_t nx = fNpadX; // number of pads along x
337 const Int_t nz = fNpadZ; // number of pads along z
338 const Float_t Space = fSpace; //cm distance from the front plate of the box
340 Float_t zSenStrip = fZpad*fNpadZ;//cm
341 Float_t StripWidth = zSenStrip + 2*DeadBound;
345 par[2] = StripWidth*0.5;
347 // glass layer of detector STRip
348 gMC->Gsvolu("FSTR","BOX",idtmed[514],par,3);
350 // Non-Sesitive Freon boundaries
352 par[1] = 0.110*0.5;//cm
354 gMC->Gsvolu("FNSF","BOX",idtmed[512],par,3);
355 gMC->Gspos ("FNSF",0,"FSTR",0.,0.,0.,0,"ONLY");
357 // MYlar for Internal non-sesitive boundaries
358 // par[1] = 0.025;//cm
359 // gMC->Gsvolu("FMYI","BOX",idtmed[510],par,3);
360 // gMC->Gspos ("FMYI",0,"FNSF",0.,0.,0.,0,"MANY");
362 // MYlar eXternal layers
363 par[1] = 0.035*0.5;//cm
364 ycoor = -yPad*0.5+par[1];
365 gMC->Gsvolu("FMYX","BOX",idtmed[510],par,3);
366 gMC->Gspos ("FMYX",1,"FSTR",0.,ycoor,0.,0,"ONLY");
367 gMC->Gspos ("FMYX",2,"FSTR",0.,-ycoor,0.,0,"ONLY");
373 gMC->Gsvolu("FGRL","BOX",idtmed[502],par,3);
374 gMC->Gspos ("FGRL",1,"FSTR",0.,ycoor,0.,0,"ONLY");
375 gMC->Gspos ("FGRL",2,"FSTR",0.,-ycoor,0.,0,"ONLY");
377 // freon sensitive layer (Chlorine-Fluorine-Carbon)
380 par[2] = zSenStrip*0.5;
381 gMC->Gsvolu("FCFC","BOX",idtmed[513],par,3);
382 gMC->Gspos ("FCFC",0,"FNSF",0.,0.,0.,0,"ONLY");
384 // Pad definition x & z
385 gMC->Gsdvn("FLZ","FCFC", nz, 3);
386 gMC->Gsdvn("FLX","FLZ" , nx, 1);
392 gMC->Gsvolu("FPAD", "BOX ", idtmed[513], par, 3);
393 gMC->Gspos ("FPAD", 0, "FLX", 0., 0., 0., 0, "ONLY");
395 //// Positioning the Strips (FSTR) in the FLT volumes /////
399 Float_t t = zFLTC+zFLTB+zFLTA*0.5+ 2*db;//Half Width of Barrel
401 Float_t Gap = fGapA; //cm distance between the strip axis
407 ycoor = -14.5 + Space ; //2 cm over front plate
409 AliMatrix (idrotm[0], 90., 0.,90.,90.,0., 90.);
410 gMC->Gspos("FSTR",j,"FLTA",0.,ycoor, 0.,idrotm[0],"ONLY");
412 printf("%f, St. %2i, Pl.3 ",ang*kRaddeg,i);
413 printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
417 Int_t UpDown = -1; // UpDown=-1 -> Upper strip
418 // UpDown=+1 -> Lower strip
420 ang = atan(zcoor/Radius);
422 AliMatrix (idrotm[nrot], 90., 0.,90.-ang,90.,-ang, 90.);
423 AliMatrix (idrotm[nrot+1],90.,180.,90.+ang,90., ang, 90.);
425 ycoor = -14.5+ Space; //2 cm over front plate
426 ycoor += (1-(UpDown+1)/2)*Gap;
427 gMC->Gspos("FSTR",j ,"FLTA",0.,ycoor, zcoor,idrotm[nrot], "ONLY");
428 gMC->Gspos("FSTR",j+1,"FLTA",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY");
430 printf("%f, St. %2i, Pl.3 ",ang*kRaddeg,i);
431 printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
434 UpDown*= -1; // Alternate strips
435 zcoor = zcoor-(zSenStrip/2)/TMath::Cos(ang)-
436 UpDown*Gap*TMath::Tan(ang)-
437 (zSenStrip/2)/TMath::Cos(ang);
438 } while (zcoor-(StripWidth/2)*TMath::Cos(ang)>-t+zFLTC+zFLTB+db*2);
440 zcoor = zcoor+(zSenStrip/2)/TMath::Cos(ang)+
441 UpDown*Gap*TMath::Tan(ang)+
442 (zSenStrip/2)/TMath::Cos(ang);
445 zcoor = zcoor-(zSenStrip/2)/TMath::Cos(ang)-
446 UpDown*Gap*TMath::Tan(ang)-
447 (zSenStrip/2)/TMath::Cos(ang);
449 ang = atan(zcoor/Radius);
451 AliMatrix (idrotm[nrot], 90., 0.,90.-ang,90.,-ang, 90.);
452 AliMatrix (idrotm[nrot+1],90.,180.,90.+ang,90., ang, 90.);
455 ycoor = -14.5+ Space; //2 cm over front plate
456 ycoor += (1-(UpDown+1)/2)*Gap;
457 gMC->Gspos("FSTR",j ,"FLTA",0.,ycoor, zcoor,idrotm[nrot], "ONLY");
458 gMC->Gspos("FSTR",j+1,"FLTA",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY");
460 printf("%f, St. %2i, Pl.3 ",ang*kRaddeg,i);
461 printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
463 ycoor = -hTof/2.+ Space;//2 cm over front plate
470 Float_t DeadRegion = 1.0;//cm
472 zpos = zcoor - (zSenStrip/2)/TMath::Cos(ang)-
473 UpDown*Gap*TMath::Tan(ang)-
474 (zSenStrip/2)/TMath::Cos(ang)-
475 DeadRegion/TMath::Cos(ang);
477 ang = atan(zpos/Radius);
479 AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
481 ycoor = -hTof*0.5+ Space ; //2 cm over front plate
482 ycoor += (1-(UpDown+1)/2)*Gap;
483 zcoor = zpos+(zFLTA*0.5+zFLTB*0.5+db); // Moves to the system of the modulus FLTB
484 gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
486 printf("%f, St. %2i, Pl.4 ",ang*kRaddeg,i);
487 printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
493 zpos = zpos - (zSenStrip/2)/TMath::Cos(ang)-
494 UpDown*Gap*TMath::Tan(ang)-
495 (zSenStrip/2)/TMath::Cos(ang);
496 ang = atan(zpos/Radius);
498 AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
500 ycoor = -hTof*0.5+ Space ; //2 cm over front plate
501 ycoor += (1-(UpDown+1)/2)*Gap;
502 zcoor = zpos+(zFLTA*0.5+zFLTB*0.5+db); // Moves to the system of the modulus FLTB
503 gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
505 printf("%f, St. %2i, Pl.4 ",ang*kRaddeg,i);
506 printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
510 } while (TMath::Abs(ang*kRaddeg)<22.5);
511 //till we reach a tilting angle of 22.5 degrees
513 ycoor = -hTof*0.5+ Space ; //2 cm over front plate
514 zpos = zpos - zSenStrip/TMath::Cos(ang);
517 ang = atan(zpos/Radius);
519 AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
521 zcoor = zpos+(zFLTB/2+zFLTA/2+db);
522 gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
523 zpos = zpos - zSenStrip/TMath::Cos(ang);
524 printf("%f, St. %2i, Pl.4 ",ang*kRaddeg,i);
525 printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
528 } while (zpos-StripWidth*0.5/TMath::Cos(ang)>-t+zFLTC+db);
532 zpos = zpos + zSenStrip/TMath::Cos(ang);
534 zpos = zpos - (zSenStrip/2)/TMath::Cos(ang)+
536 (zSenStrip/2)/TMath::Cos(ang);
540 ycoor= -hTof*0.5+Space+Gap;
544 ang = atan(zpos/Radius);
546 AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
548 zcoor = zpos+(zFLTC*0.5+zFLTB+zFLTA*0.5+db*2);
549 gMC->Gspos("FSTR",i, "FLTC", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
551 printf("%f, St. %2i, Pl.5 ",ang*kRaddeg,i);
552 printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
554 zpos = zpos - zSenStrip/TMath::Cos(ang);
555 } while (zpos-StripWidth*TMath::Cos(ang)*0.5>-t);
558 ////////// Layers after detector /////////////////
560 // honeycomb (Polyethilene) Layer after (3cm)
562 Float_t OverSpace = fOverSpc;//cm
567 ycoor = -yFLT/2 + OverSpace + par[1];
568 gMC->Gsvolu("FPEA", "BOX ", idtmed[503], par, 3); // Hony
569 gMC->Gspos ("FPEA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
570 gMC->Gsvolu("FPEB", "BOX ", idtmed[503], par, 3); // Hony
571 gMC->Gspos ("FPEB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
572 gMC->Gsvolu("FPEC", "BOX ", idtmed[503], par, 3); // Hony
573 gMC->Gspos ("FPEC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
575 // Electronics (Cu) after
578 par[1] = 1.43*0.05*0.5; // 5% of X0
581 gMC->Gsvolu("FECA", "BOX ", idtmed[501], par, 3); // Cu
582 gMC->Gspos ("FECA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
583 gMC->Gsvolu("FECB", "BOX ", idtmed[501], par, 3); // Cu
584 gMC->Gspos ("FECB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
585 gMC->Gsvolu("FECC", "BOX ", idtmed[501], par, 3); // Cu
586 gMC->Gspos ("FECC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
588 // cooling WAter after
591 par[1] = 36.1*0.02*0.5; // 2% of X0
594 gMC->Gsvolu("FWAA", "BOX ", idtmed[515], par, 3); // Water
595 gMC->Gspos ("FWAA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
596 gMC->Gsvolu("FWAB", "BOX ", idtmed[515], par, 3); // Water
597 gMC->Gspos ("FWAB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
598 gMC->Gsvolu("FWAC", "BOX ", idtmed[515], par, 3); // Water
599 gMC->Gspos ("FWAC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
601 //Back Plate honycomb (2cm)
605 ycoor = yFLT/2 - par[1];
606 gMC->Gsvolu("FBPA", "BOX ", idtmed[503], par, 3); // Hony
607 gMC->Gspos ("FBPA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
608 gMC->Gsvolu("FBPB", "BOX ", idtmed[503], par, 3); // Hony
609 gMC->Gspos ("FBPB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
610 gMC->Gsvolu("FBPC", "BOX ", idtmed[503], par, 3); // Hony
611 gMC->Gspos ("FBPC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
614 //_____________________________________________________________________________
615 void AliTOFv4::DrawModule()
618 // Draw a shaded view of the Time Of Flight version 1
620 // Set everything unseen
621 gMC->Gsatt("*", "seen", -1);
623 // Set ALIC mother transparent
624 gMC->Gsatt("ALIC","SEEN",0);
626 // Set the volumes visible
627 gMC->Gsatt("ALIC","SEEN",0);
629 gMC->Gsatt("FTOA","SEEN",1);
630 gMC->Gsatt("FTOB","SEEN",1);
631 gMC->Gsatt("FTOC","SEEN",1);
632 gMC->Gsatt("FLTA","SEEN",1);
633 gMC->Gsatt("FLTB","SEEN",1);
634 gMC->Gsatt("FLTC","SEEN",1);
635 gMC->Gsatt("FPLA","SEEN",1);
636 gMC->Gsatt("FPLB","SEEN",1);
637 gMC->Gsatt("FPLC","SEEN",1);
638 gMC->Gsatt("FSTR","SEEN",1);
639 gMC->Gsatt("FPEA","SEEN",1);
640 gMC->Gsatt("FPEB","SEEN",1);
641 gMC->Gsatt("FPEC","SEEN",1);
643 gMC->Gsatt("FLZ1","SEEN",0);
644 gMC->Gsatt("FLZ2","SEEN",0);
645 gMC->Gsatt("FLZ3","SEEN",0);
646 gMC->Gsatt("FLX1","SEEN",0);
647 gMC->Gsatt("FLX2","SEEN",0);
648 gMC->Gsatt("FLX3","SEEN",0);
649 gMC->Gsatt("FPAD","SEEN",0);
651 gMC->Gdopt("hide", "on");
652 gMC->Gdopt("shad", "on");
653 gMC->Gsatt("*", "fill", 7);
654 gMC->SetClipBox(".");
655 gMC->SetClipBox("*", 0, 1000, -1000, 1000, -1000, 1000);
657 gMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .02, .02);
658 gMC->Gdhead(1111, "Time Of Flight");
659 gMC->Gdman(18, 4, "MAN");
660 gMC->Gdopt("hide","off");
663 //_____________________________________________________________________________
664 void AliTOFv4::CreateMaterials()
667 // Define materials for the Time Of Flight
669 AliTOF::CreateMaterials();
672 //_____________________________________________________________________________
673 void AliTOFv4::Init()
676 // Initialise the detector after the geometry has been defined
678 printf("**************************************"
680 "**************************************\n");
681 printf("\n Version 4 of TOF initialing, "
682 "symmetric TOF - Full Coverage version\n");
686 fIdFTOA = gMC->VolId("FTOA");
687 fIdFTOB = gMC->VolId("FTOB");
688 fIdFTOC = gMC->VolId("FTOC");
689 fIdFLTA = gMC->VolId("FLTA");
690 fIdFLTB = gMC->VolId("FLTB");
691 fIdFLTC = gMC->VolId("FLTC");
693 printf("**************************************"
695 "**************************************\n");
698 //_____________________________________________________________________________
699 void AliTOFv4::StepManager()
702 // Procedure called at each step in the Time Of Flight
704 TLorentzVector mom, pos;
705 Float_t xm[3],pm[3],xpad[3],ppad[3];
706 Float_t hits[13],phi,phid,z;
708 Int_t sector, plate, pad_x, pad_z, strip;
709 Int_t copy, pad_z_id, pad_x_id, strip_id, i;
710 Int_t *idtmed = fIdtmed->GetArray()-499;
711 Float_t IncidenceAngle;
713 if(gMC->GetMedium()==idtmed[513] &&
714 gMC->IsTrackEntering() && gMC->TrackCharge()
715 && gMC->CurrentVolID(copy)==fIdSens)
717 // getting information about hit volumes
719 pad_z_id=gMC->CurrentVolOffID(2,copy);
722 pad_x_id=gMC->CurrentVolOffID(1,copy);
725 strip_id=gMC->CurrentVolOffID(5,copy);
728 gMC->TrackPosition(pos);
729 gMC->TrackMomentum(mom);
731 // Double_t NormPos=1./pos.Rho();
732 Double_t NormMom=1./mom.Rho();
734 // getting the cohordinates in pad ref system
735 xm[0] = (Float_t)pos.X();
736 xm[1] = (Float_t)pos.Y();
737 xm[2] = (Float_t)pos.Z();
739 pm[0] = (Float_t)mom.X()*NormMom;
740 pm[1] = (Float_t)mom.Y()*NormMom;
741 pm[2] = (Float_t)mom.Z()*NormMom;
743 gMC->Gmtod(xm,xpad,1);
744 gMC->Gmtod(pm,ppad,2);
746 IncidenceAngle = TMath::ACos(ppad[1])*kRaddeg;
751 if (TMath::Abs(z) <= fZlenA*0.5) plate = 3;
752 if (z < (fZlenA*0.5+fZlenB) &&
753 z > fZlenA*0.5) plate = 4;
754 if (z >-(fZlenA*0.5+fZlenB) &&
755 z < -fZlenA*0.5) plate = 2;
756 if (z > (fZlenA*0.5+fZlenB)) plate = 5;
757 if (z <-(fZlenA*0.5+fZlenB)) plate = 1;
760 phid = phi*kRaddeg+180.;
761 sector = Int_t (phid/20.);
774 hits[11]= IncidenceAngle;
775 hits[12]= gMC->Edep();
783 AddHit(gAlice->CurrentTrack(),vol, hits);