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 1.14.2.1 2000/05/10 09:37:16 vicinanz
19 New version with Holes for PHOS/RICH
21 Revision 1.14 1999/11/05 22:39:06 fca
24 Revision 1.13 1999/11/02 11:26:39 fca
25 added stdlib.h for exit
27 Revision 1.12 1999/11/01 20:41:57 fca
28 Added protections against using the wrong version of FRAME
30 Revision 1.11 1999/10/22 08:04:14 fca
31 Correct improper use of negative parameters
33 Revision 1.10 1999/10/16 19:30:06 fca
34 Corrected Rotation Matrix and CVS log
36 Revision 1.9 1999/10/15 15:35:20 fca
37 New version for frame1099 with and without holes
39 Revision 1.8 1999/09/29 09:24:33 fca
40 Introduction of the Copyright and cvs Log
44 ///////////////////////////////////////////////////////////////////////////////
46 // Time Of Flight: design of C.Williams
48 // This class contains the functions for version 1 of the Time Of Flight //
51 // VERSION WITH 5 MODULES AND TILTED STRIPS
53 // HOLES FOR PHOS DETECTOR
60 // University of Salerno - Italy
65 <img src="picts/AliTOFv1Class.gif">
69 ///////////////////////////////////////////////////////////////////////////////
84 //_____________________________________________________________________________
88 // Default constructor
92 //_____________________________________________________________________________
93 AliTOFv1::AliTOFv1(const char *name, const char *title)
97 // Standard constructor
100 // Check that FRAME is there otherwise we have no place where to
102 AliModule* FRAME=gAlice->GetModule("FRAME");
104 Error("Ctor","TOF needs FRAME to be present\n");
107 if(FRAME->IsVersion()!=1) {
108 Error("Ctor","FRAME version 1 needed with this version of TOF\n");
116 //_____________________________________________________________________________
117 void AliTOFv1::BuildGeometry()
120 // Build TOF ROOT geometry for the ALICE event display
123 const int kColorTOF = 27;
126 Top = gAlice->GetGeometry()->GetNode("alice");
128 // Position the different copies
129 const Float_t rTof =(fRmax+fRmin)/2;
130 const Float_t hTof = fRmax-fRmin;
131 const Int_t fNTof = 18;
132 const Float_t kPi = TMath::Pi();
133 const Float_t angle = 2*kPi/fNTof;
136 // Define TOF basic volume
138 char NodeName0[6], NodeName1[6], NodeName2[6];
139 char NodeName3[6], NodeName4[6], RotMatNum[6];
141 new TBRIK("S_TOF_C","TOF box","void",
142 120*0.5,hTof*0.5,fZlenC*0.5);
143 new TBRIK("S_TOF_B","TOF box","void",
144 120*0.5,hTof*0.5,fZlenB*0.5);
145 new TBRIK("S_TOF_A","TOF box","void",
146 120*0.5,hTof*0.5,fZlenA*0.5);
148 for (Int_t NodeNum=1;NodeNum<19;NodeNum++){
151 sprintf(RotMatNum,"rot50%i",NodeNum);
152 sprintf(NodeName0,"FTO00%i",NodeNum);
153 sprintf(NodeName1,"FTO10%i",NodeNum);
154 sprintf(NodeName2,"FTO20%i",NodeNum);
155 sprintf(NodeName3,"FTO30%i",NodeNum);
156 sprintf(NodeName4,"FTO40%i",NodeNum);
159 sprintf(RotMatNum,"rot5%i",NodeNum);
160 sprintf(NodeName0,"FTO0%i",NodeNum);
161 sprintf(NodeName1,"FTO1%i",NodeNum);
162 sprintf(NodeName2,"FTO2%i",NodeNum);
163 sprintf(NodeName3,"FTO3%i",NodeNum);
164 sprintf(NodeName4,"FTO4%i",NodeNum);
167 new TRotMatrix(RotMatNum,RotMatNum,90,-20*NodeNum,90,90-20*NodeNum,0,0);
168 ang = (4.5-NodeNum) * angle;
171 Node = new TNode(NodeName0,NodeName0,"S_TOF_C",rTof*TMath::Cos(ang),rTof*TMath::Sin(ang),299.15,RotMatNum);
172 Node->SetLineColor(kColorTOF);
176 Node = new TNode(NodeName1,NodeName1,"S_TOF_C",rTof*TMath::Cos(ang),rTof*TMath::Sin(ang),-299.15,RotMatNum);
177 Node->SetLineColor(kColorTOF);
181 Node = new TNode(NodeName2,NodeName2,"S_TOF_B",rTof*TMath::Cos(ang),rTof*TMath::Sin(ang),146.45,RotMatNum);
182 Node->SetLineColor(kColorTOF);
186 Node = new TNode(NodeName3,NodeName3,"S_TOF_B",rTof*TMath::Cos(ang),rTof*TMath::Sin(ang),-146.45,RotMatNum);
187 Node->SetLineColor(kColorTOF);
190 if (NodeNum<8 || NodeNum>12) {
192 Node = new TNode(NodeName4,NodeName4,"S_TOF_A",rTof*TMath::Cos(ang),rTof*TMath::Sin(ang),0.,RotMatNum);
193 Node->SetLineColor(kColorTOF);
195 } // Modules A which are not to be installed for PHOS holes.
201 //_____________________________________________________________________________
202 void AliTOFv1::CreateGeometry()
205 // Create geometry for Time Of Flight version 0
209 <img src="picts/AliTOFv1.gif">
213 // Creates common geometry
215 AliTOF::CreateGeometry();
218 //_____________________________________________________________________________
219 void AliTOFv1::TOFpc(Float_t xtof, Float_t ytof, Float_t zlenC,
220 Float_t zlenB, Float_t zlenA, Float_t ztof0)
223 // Definition of the Time Of Fligh Resistive Plate Chambers
224 // xFLT, yFLT, zFLT - sizes of TOF modules (large)
226 Float_t ycoor, zcoor;
228 Int_t *idtmed = fIdtmed->GetArray()-499;
231 Float_t hTof = fRmax-fRmin;
233 Float_t Radius = fRmin+2.;//cm
237 par[2] = zlenC * 0.5;
238 gMC->Gsvolu("FTOC", "BOX ", idtmed[506], par, 3);
239 par[2] = zlenB * 0.5;
240 gMC->Gsvolu("FTOB", "BOX ", idtmed[506], par, 3);
241 par[2] = zlenA * 0.5;
242 gMC->Gsvolu("FTOA", "BOX ", idtmed[506], par, 3);
245 // Positioning of modules
247 Float_t zcor1 = ztof0 - zlenC*0.5;
248 Float_t zcor2 = ztof0 - zlenC - zlenB*0.5;
251 AliMatrix(idrotm[0], 90., 0., 0., 0., 90,-90.);
252 AliMatrix(idrotm[1], 90.,180., 0., 0., 90, 90.);
253 gMC->Gspos("FTOC", 1, "BTO1", 0, zcor1, 0, idrotm[0], "ONLY");
254 gMC->Gspos("FTOC", 2, "BTO1", 0, -zcor1, 0, idrotm[1], "ONLY");
255 gMC->Gspos("FTOC", 1, "BTO2", 0, zcor1, 0, idrotm[0], "ONLY");
256 gMC->Gspos("FTOC", 2, "BTO2", 0, -zcor1, 0, idrotm[1], "ONLY");
257 gMC->Gspos("FTOC", 1, "BTO3", 0, zcor1, 0, idrotm[0], "ONLY");
258 gMC->Gspos("FTOC", 2, "BTO3", 0, -zcor1, 0, idrotm[1], "ONLY");
260 gMC->Gspos("FTOB", 1, "BTO1", 0, zcor2, 0, idrotm[0], "ONLY");
261 gMC->Gspos("FTOB", 2, "BTO1", 0, -zcor2, 0, idrotm[1], "ONLY");
262 gMC->Gspos("FTOB", 1, "BTO2", 0, zcor2, 0, idrotm[0], "ONLY");
263 gMC->Gspos("FTOB", 2, "BTO2", 0, -zcor2, 0, idrotm[1], "ONLY");
264 gMC->Gspos("FTOB", 1, "BTO3", 0, zcor2, 0, idrotm[0], "ONLY");
265 gMC->Gspos("FTOB", 2, "BTO3", 0, -zcor2, 0, idrotm[1], "ONLY");
267 gMC->Gspos("FTOA", 0, "BTO1", 0, zcor3, 0, idrotm[0], "ONLY");
268 gMC->Gspos("FTOA", 0, "BTO3", 0, zcor3, 0, idrotm[0], "ONLY");
270 Float_t db = 0.5;//cm
271 Float_t xFLT, xFST, yFLT, zFLTA, zFLTB, zFLTC;
279 xFST = xFLT-fDeadBndX*2;//cm
281 // Sizes of MRPC pads
283 Float_t yPad = 0.505;//cm
285 // Large not sensitive volumes with CO2
289 cout <<"************************* TOF geometry **************************"<<endl;
291 par[2] = (zFLTA *0.5);
292 gMC->Gsvolu("FLTA", "BOX ", idtmed[506], par, 3); // CO2
293 gMC->Gspos ("FLTA", 0, "FTOA", 0., 0., 0., 0, "ONLY");
295 par[2] = (zFLTB * 0.5);
296 gMC->Gsvolu("FLTB", "BOX ", idtmed[506], par, 3); // CO2
297 gMC->Gspos ("FLTB", 0, "FTOB", 0., 0., 0., 0, "ONLY");
299 par[2] = (zFLTC * 0.5);
300 gMC->Gsvolu("FLTC", "BOX ", idtmed[506], par, 3); // CO2
301 gMC->Gspos ("FLTC", 0, "FTOC", 0., 0., 0., 0, "ONLY");
303 ////////// Layers before detector ////////////////////
305 // MYlar layer in front 1.0 mm thick at the beginning
309 ycoor = -yFLT/2 + par[1];
310 gMC->Gsvolu("FMYA", "BOX ", idtmed[508], par, 3); // Alluminium
311 gMC->Gspos ("FMYA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
312 gMC->Gsvolu("FMYB", "BOX ", idtmed[508], par, 3); // Alluminium
313 gMC->Gspos ("FMYB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
314 gMC->Gsvolu("FMYC", "BOX ", idtmed[508], par, 3); // Alluminium
315 gMC->Gspos ("FMYC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
317 // honeycomb (special Polyethilene Layer of 1cm)
318 ycoor = ycoor + par[1];
322 ycoor = ycoor + par[1];
323 gMC->Gsvolu("FPLA", "BOX ", idtmed[503], par, 3); // Hony
324 gMC->Gspos ("FPLA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
325 gMC->Gsvolu("FPLB", "BOX ", idtmed[503], par, 3); // Hony
326 gMC->Gspos ("FPLB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
327 gMC->Gsvolu("FPLC", "BOX ", idtmed[503], par, 3); // Hony
328 gMC->Gspos ("FPLC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
330 ///////////////// Detector itself //////////////////////
332 const Float_t DeadBound = fDeadBndZ; //cm non-sensitive between the pad edge
333 //and the boundary of the strip
334 const Int_t nx = fNpadX; // number of pads along x
335 const Int_t nz = fNpadZ; // number of pads along z
336 const Float_t Space = fSpace; //cm distance from the front plate of the box
338 Float_t zSenStrip = fZpad*fNpadZ;//cm
339 Float_t StripWidth = zSenStrip + 2*DeadBound;
343 par[2] = StripWidth*0.5;
345 // glass layer of detector STRip
346 gMC->Gsvolu("FSTR","BOX",idtmed[514],par,3);
348 // Non-Sesitive Freon boundaries
350 par[1] = 0.110*0.5;//cm
352 gMC->Gsvolu("FNSF","BOX",idtmed[512],par,3);
353 gMC->Gspos ("FNSF",0,"FSTR",0.,0.,0.,0,"ONLY");
355 // MYlar for Internal non-sesitive boundaries
356 // par[1] = 0.025;//cm
357 // gMC->Gsvolu("FMYI","BOX",idtmed[510],par,3);
358 // gMC->Gspos ("FMYI",0,"FNSF",0.,0.,0.,0,"MANY");
360 // MYlar eXternal layers
361 par[1] = 0.035*0.5;//cm
362 ycoor = -yPad*0.5+par[1];
363 gMC->Gsvolu("FMYX","BOX",idtmed[510],par,3);
364 gMC->Gspos ("FMYX",1,"FSTR",0.,ycoor,0.,0,"ONLY");
365 gMC->Gspos ("FMYX",2,"FSTR",0.,-ycoor,0.,0,"ONLY");
371 gMC->Gsvolu("FGRL","BOX",idtmed[502],par,3);
372 gMC->Gspos ("FGRL",1,"FSTR",0.,ycoor,0.,0,"ONLY");
373 gMC->Gspos ("FGRL",2,"FSTR",0.,-ycoor,0.,0,"ONLY");
375 // freon sensitive layer (Chlorine-Fluorine-Carbon)
378 par[2] = zSenStrip*0.5;
379 gMC->Gsvolu("FCFC","BOX",idtmed[513],par,3);
380 gMC->Gspos ("FCFC",0,"FNSF",0.,0.,0.,0,"ONLY");
382 // Pad definition x & z
383 gMC->Gsdvn("FLZ","FCFC", nz, 3);
384 gMC->Gsdvn("FLX","FLZ" , nx, 1);
390 gMC->Gsvolu("FPAD", "BOX ", idtmed[513], par, 3);
391 gMC->Gspos ("FPAD", 0, "FLX", 0., 0., 0., 0, "ONLY");
393 //// Positioning the Strips (FSTR) in the FLT volumes /////
397 Float_t t = zFLTC+zFLTB+zFLTA*0.5+ 2*db;//Half Width of Barrel
399 Float_t Gap = fGapA; //cm distance between the strip axis
405 ycoor = -14.5 + Space ; //2 cm over front plate
407 AliMatrix (idrotm[0], 90., 0.,90.,90.,0., 90.);
408 gMC->Gspos("FSTR",j,"FLTA",0.,ycoor, 0.,idrotm[0],"ONLY");
410 printf("%f, St. %2i, Pl.3 ",ang*kRaddeg,i);
411 printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
415 Int_t UpDown = -1; // UpDown=-1 -> Upper strip
416 // UpDown=+1 -> Lower strip
418 ang = atan(zcoor/Radius);
420 AliMatrix (idrotm[nrot], 90., 0.,90.-ang,90.,-ang, 90.);
421 AliMatrix (idrotm[nrot+1],90.,180.,90.+ang,90., ang, 90.);
423 ycoor = -14.5+ Space; //2 cm over front plate
424 ycoor += (1-(UpDown+1)/2)*Gap;
425 gMC->Gspos("FSTR",j ,"FLTA",0.,ycoor, zcoor,idrotm[nrot], "ONLY");
426 gMC->Gspos("FSTR",j+1,"FLTA",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY");
428 printf("%f, St. %2i, Pl.3 ",ang*kRaddeg,i);
429 printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
432 UpDown*= -1; // Alternate strips
433 zcoor = zcoor-(zSenStrip/2)/TMath::Cos(ang)-
434 UpDown*Gap*TMath::Tan(ang)-
435 (zSenStrip/2)/TMath::Cos(ang);
436 } while (zcoor-(StripWidth/2)*TMath::Cos(ang)>-t+zFLTC+zFLTB+db*2);
438 zcoor = zcoor+(zSenStrip/2)/TMath::Cos(ang)+
439 UpDown*Gap*TMath::Tan(ang)+
440 (zSenStrip/2)/TMath::Cos(ang);
443 zcoor = zcoor-(zSenStrip/2)/TMath::Cos(ang)-
444 UpDown*Gap*TMath::Tan(ang)-
445 (zSenStrip/2)/TMath::Cos(ang);
447 ang = atan(zcoor/Radius);
449 AliMatrix (idrotm[nrot], 90., 0.,90.-ang,90.,-ang, 90.);
450 AliMatrix (idrotm[nrot+1],90.,180.,90.+ang,90., ang, 90.);
453 ycoor = -14.5+ Space; //2 cm over front plate
454 ycoor += (1-(UpDown+1)/2)*Gap;
455 gMC->Gspos("FSTR",j ,"FLTA",0.,ycoor, zcoor,idrotm[nrot], "ONLY");
456 gMC->Gspos("FSTR",j+1,"FLTA",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY");
458 printf("%f, St. %2i, Pl.3 ",ang*kRaddeg,i);
459 printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
461 ycoor = -hTof/2.+ Space;//2 cm over front plate
468 Float_t DeadRegion = 1.0;//cm
470 zpos = zcoor - (zSenStrip/2)/TMath::Cos(ang)-
471 UpDown*Gap*TMath::Tan(ang)-
472 (zSenStrip/2)/TMath::Cos(ang)-
473 DeadRegion/TMath::Cos(ang);
475 ang = atan(zpos/Radius);
477 AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
479 ycoor = -hTof*0.5+ Space ; //2 cm over front plate
480 ycoor += (1-(UpDown+1)/2)*Gap;
481 zcoor = zpos+(zFLTA*0.5+zFLTB*0.5+db); // Moves to the system of the modulus FLTB
482 gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
484 printf("%f, St. %2i, Pl.4 ",ang*kRaddeg,i);
485 printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
491 zpos = zpos - (zSenStrip/2)/TMath::Cos(ang)-
492 UpDown*Gap*TMath::Tan(ang)-
493 (zSenStrip/2)/TMath::Cos(ang);
494 ang = atan(zpos/Radius);
496 AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
498 ycoor = -hTof*0.5+ Space ; //2 cm over front plate
499 ycoor += (1-(UpDown+1)/2)*Gap;
500 zcoor = zpos+(zFLTA*0.5+zFLTB*0.5+db); // Moves to the system of the modulus FLTB
501 gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
503 printf("%f, St. %2i, Pl.4 ",ang*kRaddeg,i);
504 printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
508 } while (TMath::Abs(ang*kRaddeg)<22.5);
509 //till we reach a tilting angle of 22.5 degrees
511 ycoor = -hTof*0.5+ Space ; //2 cm over front plate
512 zpos = zpos - zSenStrip/TMath::Cos(ang);
515 ang = atan(zpos/Radius);
517 AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
519 zcoor = zpos+(zFLTB/2+zFLTA/2+db);
520 gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
521 zpos = zpos - zSenStrip/TMath::Cos(ang);
522 printf("%f, St. %2i, Pl.4 ",ang*kRaddeg,i);
523 printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
526 } while (zpos-StripWidth*0.5/TMath::Cos(ang)>-t+zFLTC+db);
530 zpos = zpos + zSenStrip/TMath::Cos(ang);
532 zpos = zpos - (zSenStrip/2)/TMath::Cos(ang)+
534 (zSenStrip/2)/TMath::Cos(ang);
538 ycoor= -hTof*0.5+Space+Gap;
542 ang = atan(zpos/Radius);
544 AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
546 zcoor = zpos+(zFLTC*0.5+zFLTB+zFLTA*0.5+db*2);
547 gMC->Gspos("FSTR",i, "FLTC", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
549 printf("%f, St. %2i, Pl.5 ",ang*kRaddeg,i);
550 printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
552 zpos = zpos - zSenStrip/TMath::Cos(ang);
553 } while (zpos-StripWidth*TMath::Cos(ang)*0.5>-t);
556 ////////// Layers after detector /////////////////
558 // honeycomb (Polyethilene) Layer after (3cm)
560 Float_t OverSpace = fOverSpc;//cm
565 ycoor = -yFLT/2 + OverSpace + par[1];
566 gMC->Gsvolu("FPEA", "BOX ", idtmed[503], par, 3); // Hony
567 gMC->Gspos ("FPEA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
568 gMC->Gsvolu("FPEB", "BOX ", idtmed[503], par, 3); // Hony
569 gMC->Gspos ("FPEB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
570 gMC->Gsvolu("FPEC", "BOX ", idtmed[503], par, 3); // Hony
571 gMC->Gspos ("FPEC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
573 // Electronics (Cu) after
576 par[1] = 1.43*0.05*0.5; // 5% of X0
579 gMC->Gsvolu("FECA", "BOX ", idtmed[501], par, 3); // Cu
580 gMC->Gspos ("FECA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
581 gMC->Gsvolu("FECB", "BOX ", idtmed[501], par, 3); // Cu
582 gMC->Gspos ("FECB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
583 gMC->Gsvolu("FECC", "BOX ", idtmed[501], par, 3); // Cu
584 gMC->Gspos ("FECC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
586 // cooling WAter after
589 par[1] = 36.1*0.02*0.5; // 2% of X0
592 gMC->Gsvolu("FWAA", "BOX ", idtmed[515], par, 3); // Water
593 gMC->Gspos ("FWAA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
594 gMC->Gsvolu("FWAB", "BOX ", idtmed[515], par, 3); // Water
595 gMC->Gspos ("FWAB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
596 gMC->Gsvolu("FWAC", "BOX ", idtmed[515], par, 3); // Water
597 gMC->Gspos ("FWAC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
599 //Back Plate honycomb (2cm)
603 ycoor = yFLT/2 - par[1];
604 gMC->Gsvolu("FBPA", "BOX ", idtmed[503], par, 3); // Hony
605 gMC->Gspos ("FBPA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
606 gMC->Gsvolu("FBPB", "BOX ", idtmed[503], par, 3); // Hony
607 gMC->Gspos ("FBPB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
608 gMC->Gsvolu("FBPC", "BOX ", idtmed[503], par, 3); // Hony
609 gMC->Gspos ("FBPC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
612 //_____________________________________________________________________________
613 void AliTOFv1::DrawModule()
616 // Draw a shaded view of the Time Of Flight version 1
618 // Set everything unseen
619 gMC->Gsatt("*", "seen", -1);
621 // Set ALIC mother transparent
622 gMC->Gsatt("ALIC","SEEN",0);
624 // Set the volumes visible
625 gMC->Gsatt("ALIC","SEEN",0);
627 gMC->Gsatt("FTOA","SEEN",1);
628 gMC->Gsatt("FTOB","SEEN",1);
629 gMC->Gsatt("FTOC","SEEN",1);
630 gMC->Gsatt("FLTA","SEEN",1);
631 gMC->Gsatt("FLTB","SEEN",1);
632 gMC->Gsatt("FLTC","SEEN",1);
633 gMC->Gsatt("FPLA","SEEN",1);
634 gMC->Gsatt("FPLB","SEEN",1);
635 gMC->Gsatt("FPLC","SEEN",1);
636 gMC->Gsatt("FSTR","SEEN",1);
637 gMC->Gsatt("FPEA","SEEN",1);
638 gMC->Gsatt("FPEB","SEEN",1);
639 gMC->Gsatt("FPEC","SEEN",1);
641 gMC->Gsatt("FLZ1","SEEN",0);
642 gMC->Gsatt("FLZ2","SEEN",0);
643 gMC->Gsatt("FLZ3","SEEN",0);
644 gMC->Gsatt("FLX1","SEEN",0);
645 gMC->Gsatt("FLX2","SEEN",0);
646 gMC->Gsatt("FLX3","SEEN",0);
647 gMC->Gsatt("FPAD","SEEN",0);
649 gMC->Gdopt("hide", "on");
650 gMC->Gdopt("shad", "on");
651 gMC->Gsatt("*", "fill", 7);
652 gMC->SetClipBox(".");
653 gMC->SetClipBox("*", 0, 1000, -1000, 1000, -1000, 1000);
655 gMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .02, .02);
656 gMC->Gdhead(1111, "Time Of Flight");
657 gMC->Gdman(18, 4, "MAN");
658 gMC->Gdopt("hide","off");
661 //_____________________________________________________________________________
662 void AliTOFv1::CreateMaterials()
665 // Define materials for the Time Of Flight
667 AliTOF::CreateMaterials();
670 //_____________________________________________________________________________
671 void AliTOFv1::Init()
674 // Initialise the detector after the geometry has been defined
676 printf("**************************************"
678 "**************************************\n");
679 printf("\n Version 1 of TOF initialing, "
680 "TOF with holes for PHOS detector\n");
684 fIdFTOA = gMC->VolId("FTOA");
685 fIdFTOB = gMC->VolId("FTOB");
686 fIdFTOC = gMC->VolId("FTOC");
687 fIdFLTA = gMC->VolId("FLTA");
688 fIdFLTB = gMC->VolId("FLTB");
689 fIdFLTC = gMC->VolId("FLTC");
691 printf("**************************************"
693 "**************************************\n");
696 //_____________________________________________________________________________
697 void AliTOFv1::StepManager()
700 // Procedure called at each step in the Time Of Flight
702 TLorentzVector mom, pos;
703 Float_t xm[3],pm[3],xpad[3],ppad[3];
704 Float_t hits[13],phi,phid,z;
706 Int_t sector, plate, pad_x, pad_z, strip;
707 Int_t copy, pad_z_id, pad_x_id, strip_id, i;
708 Int_t *idtmed = fIdtmed->GetArray()-499;
709 Float_t IncidenceAngle;
711 if(gMC->GetMedium()==idtmed[513] &&
712 gMC->IsTrackEntering() && gMC->TrackCharge()
713 && gMC->CurrentVolID(copy)==fIdSens)
715 // getting information about hit volumes
717 pad_z_id=gMC->CurrentVolOffID(2,copy);
720 pad_x_id=gMC->CurrentVolOffID(1,copy);
723 strip_id=gMC->CurrentVolOffID(5,copy);
726 gMC->TrackPosition(pos);
727 gMC->TrackMomentum(mom);
729 // Double_t NormPos=1./pos.Rho();
730 Double_t NormMom=1./mom.Rho();
732 // getting the cohordinates in pad ref system
733 xm[0] = (Float_t)pos.X();
734 xm[1] = (Float_t)pos.Y();
735 xm[2] = (Float_t)pos.Z();
737 pm[0] = (Float_t)mom.X()*NormMom;
738 pm[1] = (Float_t)mom.Y()*NormMom;
739 pm[2] = (Float_t)mom.Z()*NormMom;
741 gMC->Gmtod(xm,xpad,1);
742 gMC->Gmtod(pm,ppad,2);
744 IncidenceAngle = TMath::ACos(ppad[1])*kRaddeg;
749 if (TMath::Abs(z) <= fZlenA*0.5) plate = 3;
750 if (z < (fZlenA*0.5+fZlenB) &&
751 z > fZlenA*0.5) plate = 4;
752 if (z >-(fZlenA*0.5+fZlenB) &&
753 z < -fZlenA*0.5) plate = 2;
754 if (z > (fZlenA*0.5+fZlenB)) plate = 5;
755 if (z <-(fZlenA*0.5+fZlenB)) plate = 1;
758 phid = phi*kRaddeg+180.;
759 sector = Int_t (phid/20.);
772 hits[11]= IncidenceAngle;
773 hits[12]= gMC->Edep();
781 AddHit(gAlice->CurrentTrack(),vol, hits);