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 1.27 2002/06/24 14:09:12 vicinanz
19 review on materials and
21 Revision 1.26 2002/05/08 13:24:50 vicinanz
22 AliTOFanalyzeMatching.C macro added and minor changes to the AliTOF code
24 Revision 1.25 2001/11/22 11:22:51 hristov
25 Updated version of TOF digitization, N^2 problem solved (J.Chudoba)
27 Revision 1.23 2001/09/27 10:39:20 vicinanz
28 SDigitizer and Merger added
30 Revision 1.22 2001/09/20 15:54:22 vicinanz
31 Updated Strip Structure (Double Stack)
33 Revision 1.21 2001/08/28 08:45:59 vicinanz
34 TTask and TFolder structures implemented
36 Revision 1.20 2001/05/16 14:57:24 alibrary
37 New files for folders and Stack
39 Revision 1.19 2001/05/04 10:09:48 vicinanz
40 Major upgrades to the strip structure
42 Revision 1.18 2000/12/04 08:48:20 alibrary
43 Fixing problems in the HEAD
45 Revision 1.17 2000/10/02 21:28:17 fca
46 Removal of useless dependecies via forward declarations
48 Revision 1.16 2000/05/10 16:52:18 vicinanz
49 New TOF version with holes for PHOS/RICH
51 Revision 1.14.2.1 2000/05/10 09:37:16 vicinanz
52 New version with Holes for PHOS/RICH
54 Revision 1.14 1999/11/05 22:39:06 fca
57 Revision 1.13 1999/11/02 11:26:39 fca
58 added stdlib.h for exit
60 Revision 1.12 1999/11/01 20:41:57 fca
61 Added protections against using the wrong version of FRAME
63 Revision 1.11 1999/10/22 08:04:14 fca
64 Correct improper use of negative parameters
66 Revision 1.10 1999/10/16 19:30:06 fca
67 Corrected Rotation Matrix and CVS log
69 Revision 1.9 1999/10/15 15:35:20 fca
70 New version for frame1099 with and without holes
72 Revision 1.8 1999/09/29 09:24:33 fca
73 Introduction of the Copyright and cvs Log
77 ///////////////////////////////////////////////////////////////////////////////
79 // This class contains the functions for version 2 of the Time Of Flight //
82 // VERSION WITH 5 MODULES AND TILTED STRIPS
84 // HOLES FOR PHOS AND RICH DETECTOR
91 // University of Salerno - Italy
94 // University of Bologna - Italy
99 <img src="picts/AliTOFv2Class.gif">
103 ///////////////////////////////////////////////////////////////////////////////
105 #include <iostream.h>
108 #include "AliTOFv2.h"
110 #include "TGeometry.h"
112 #include <TLorentzVector.h>
117 #include "AliConst.h"
122 //_____________________________________________________________________________
126 // Default constructor
130 //_____________________________________________________________________________
131 AliTOFv2::AliTOFv2(const char *name, const char *title)
135 // Standard constructor
138 // Check that FRAME is there otherwise we have no place where to
140 AliModule* frame=gAlice->GetModule("FRAME");
142 Error("Ctor","TOF needs FRAME to be present\n");
145 if(frame->IsVersion()!=1) {
146 Error("Ctor","FRAME version 1 needed with this version of TOF\n");
152 //____________________________________________________________________________
154 void AliTOFv2::BuildGeometry()
157 // Build TOF ROOT geometry for the ALICE event display
160 const int kColorTOF = 27;
163 top = gAlice->GetGeometry()->GetNode("alice");
165 // Position the different copies
166 const Float_t krTof =(fRmax+fRmin)/2;
167 const Float_t khTof = fRmax-fRmin;
168 const Int_t kNTof = fNTof;
169 const Float_t kPi = TMath::Pi();
170 const Float_t kangle = 2*kPi/kNTof;
173 // define offset for nodes
174 Float_t zOffsetC = fZtof - fZlenC*0.5;
175 Float_t zOffsetB = fZtof - fZlenC - fZlenB*0.5;
176 Float_t zOffsetA = 0.;
177 // Define TOF basic volume
179 char nodeName0[6], nodeName1[6], nodeName2[6];
180 char nodeName3[6], nodeName4[6], rotMatNum[6];
182 new TBRIK("S_TOF_C","TOF box","void",
183 fStripLn*0.5,khTof*0.5,fZlenC*0.5);
184 new TBRIK("S_TOF_B","TOF box","void",
185 fStripLn*0.5,khTof*0.5,fZlenB*0.5);
186 new TBRIK("S_TOF_A","TOF box","void",
187 fStripLn*0.5,khTof*0.5,fZlenA*0.5);
189 for (Int_t nodeNum=1;nodeNum<19;nodeNum++){
192 sprintf(rotMatNum,"rot50%i",nodeNum);
193 sprintf(nodeName0,"FTO00%i",nodeNum);
194 sprintf(nodeName1,"FTO10%i",nodeNum);
195 sprintf(nodeName2,"FTO20%i",nodeNum);
196 sprintf(nodeName3,"FTO30%i",nodeNum);
197 sprintf(nodeName4,"FTO40%i",nodeNum);
200 sprintf(rotMatNum,"rot5%i",nodeNum);
201 sprintf(nodeName0,"FTO0%i",nodeNum);
202 sprintf(nodeName1,"FTO1%i",nodeNum);
203 sprintf(nodeName2,"FTO2%i",nodeNum);
204 sprintf(nodeName3,"FTO3%i",nodeNum);
205 sprintf(nodeName4,"FTO4%i",nodeNum);
208 new TRotMatrix(rotMatNum,rotMatNum,90,-20*nodeNum,90,90-20*nodeNum,0,0);
209 ang = (4.5-nodeNum) * kangle;
212 node = new TNode(nodeName0,nodeName0,"S_TOF_C",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),zOffsetC,rotMatNum);
213 node->SetLineColor(kColorTOF);
217 node = new TNode(nodeName1,nodeName1,"S_TOF_C",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),-zOffsetC,rotMatNum);
218 node->SetLineColor(kColorTOF);
220 if (nodeNum !=1 && nodeNum!=17 && nodeNum !=18)
223 node = new TNode(nodeName2,nodeName2,"S_TOF_B",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),zOffsetB,rotMatNum);
224 node->SetLineColor(kColorTOF);
228 node = new TNode(nodeName3,nodeName3,"S_TOF_B",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),-zOffsetB,rotMatNum);
229 node->SetLineColor(kColorTOF);
231 } // Holes for RICH detector
233 if ((nodeNum<7 || nodeNum>11) && nodeNum !=1 && nodeNum!=17 && nodeNum !=18)
236 node = new TNode(nodeName4,nodeName4,"S_TOF_A",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),zOffsetA,rotMatNum);
237 node->SetLineColor(kColorTOF);
239 } // Holes for PHOS detector (+ Holes for RICH detector, central part)
240 } // end loop on nodeNum
244 //_____________________________________________________________________________
245 void AliTOFv2::CreateGeometry()
248 // Create geometry for Time Of Flight version 0
252 <img src="picts/AliTOFv2.gif">
256 // Creates common geometry
258 AliTOF::CreateGeometry();
261 //_____________________________________________________________________________
262 void AliTOFv2::TOFpc(Float_t xtof, Float_t ytof, Float_t zlenC,
263 Float_t zlenB, Float_t zlenA, Float_t ztof0)
266 // Definition of the Time Of Fligh Resistive Plate Chambers
267 // xFLT, yFLT, zFLT - sizes of TOF modules (large)
269 Float_t ycoor, zcoor;
271 Int_t *idtmed = fIdtmed->GetArray()-499;
274 Float_t hTof = fRmax-fRmin;
276 Float_t radius = fRmin+2.;//cm
280 par[2] = zlenC * 0.5;
281 gMC->Gsvolu("FTOC", "BOX ", idtmed[506], par, 3);
282 par[2] = zlenB * 0.5;
283 gMC->Gsvolu("FTOB", "BOX ", idtmed[506], par, 3);
284 par[2] = zlenA * 0.5;
285 gMC->Gsvolu("FTOA", "BOX ", idtmed[506], par, 3);
288 // Positioning of modules
290 Float_t zcor1 = ztof0 - zlenC*0.5;
291 Float_t zcor2 = ztof0 - zlenC - zlenB*0.5;
294 AliMatrix(idrotm[0], 90., 0., 0., 0., 90,-90.);
295 AliMatrix(idrotm[1], 90.,180., 0., 0., 90, 90.);
296 gMC->Gspos("FTOC", 1, "BTO1", 0, zcor1, 0, idrotm[0], "ONLY");
297 gMC->Gspos("FTOC", 2, "BTO1", 0, -zcor1, 0, idrotm[1], "ONLY");
298 gMC->Gspos("FTOC", 1, "BTO2", 0, zcor1, 0, idrotm[0], "ONLY");
299 gMC->Gspos("FTOC", 2, "BTO2", 0, -zcor1, 0, idrotm[1], "ONLY");
300 gMC->Gspos("FTOC", 1, "BTO3", 0, zcor1, 0, idrotm[0], "ONLY");
301 gMC->Gspos("FTOC", 2, "BTO3", 0, -zcor1, 0, idrotm[1], "ONLY");
303 gMC->Gspos("FTOB", 1, "BTO1", 0, zcor2, 0, idrotm[0], "ONLY");
304 gMC->Gspos("FTOB", 2, "BTO1", 0, -zcor2, 0, idrotm[1], "ONLY");
305 gMC->Gspos("FTOB", 1, "BTO2", 0, zcor2, 0, idrotm[0], "ONLY");
306 gMC->Gspos("FTOB", 2, "BTO2", 0, -zcor2, 0, idrotm[1], "ONLY");
308 gMC->Gspos("FTOA", 0, "BTO1", 0, zcor3, 0, idrotm[0], "ONLY");
310 Float_t db = 0.5;//cm
311 Float_t xFLT, xFST, yFLT, zFLTA, zFLTB, zFLTC;
319 xFST = xFLT-fDeadBndX*2;//cm
321 // Sizes of MRPC pads
323 Float_t yPad = 0.505;//cm
325 // Large not sensitive volumes with Insensitive Freon
331 <<": ************************* TOF geometry **************************"
334 par[2] = (zFLTA *0.5);
335 gMC->Gsvolu("FLTA", "BOX ", idtmed[512], par, 3); // Insensitive Freon
336 gMC->Gspos ("FLTA", 0, "FTOA", 0., 0., 0., 0, "ONLY");
338 par[2] = (zFLTB * 0.5);
339 gMC->Gsvolu("FLTB", "BOX ", idtmed[512], par, 3); // Insensitive Freon
340 gMC->Gspos ("FLTB", 0, "FTOB", 0., 0., 0., 0, "ONLY");
342 par[2] = (zFLTC * 0.5);
343 gMC->Gsvolu("FLTC", "BOX ", idtmed[512], par, 3); // Insensitive Freon
344 gMC->Gspos ("FLTC", 0, "FTOC", 0., 0., 0., 0, "ONLY");
346 ///// Layers of Aluminum before and after detector /////
347 ///// Aluminum Box for Modules (1.8 mm thickness) /////
348 ///// lateral walls not simulated for the time being
349 //const Float_t khAlWall = 0.18;
351 const Float_t khAlWall = 0.11;
353 par[1] = khAlWall/2.;//cm
354 ycoor = -yFLT/2 + par[1];
355 par[2] = (zFLTA *0.5);
356 gMC->Gsvolu("FALA", "BOX ", idtmed[508], par, 3); // Alluminium
357 gMC->Gspos ("FALA", 1, "FLTA", 0., ycoor, 0., 0, "ONLY");
358 gMC->Gspos ("FALA", 2, "FLTA", 0.,-ycoor, 0., 0, "ONLY");
359 par[2] = (zFLTB *0.5);
360 gMC->Gsvolu("FALB", "BOX ", idtmed[508], par, 3); // Alluminium
361 gMC->Gspos ("FALB", 1, "FLTB", 0., ycoor, 0., 0, "ONLY");
362 gMC->Gspos ("FALB", 2, "FLTB", 0.,-ycoor, 0., 0, "ONLY");
363 par[2] = (zFLTC *0.5);
364 gMC->Gsvolu("FALC", "BOX ", idtmed[508], par, 3); // Alluminium
365 gMC->Gspos ("FALC", 1, "FLTC", 0., ycoor, 0., 0, "ONLY");
366 gMC->Gspos ("FALC", 2, "FLTC", 0.,-ycoor, 0., 0, "ONLY");
368 ///////////////// Detector itself //////////////////////
370 const Float_t kdeadBound = fDeadBndZ; //cm non-sensitive between the pad edge
371 //and the boundary of the strip
372 const Int_t knx = fNpadX; // number of pads along x
373 const Int_t knz = fNpadZ; // number of pads along z
374 const Float_t kspace = fSpace; //cm distance from the front plate of the box
376 Float_t zSenStrip = fZpad*fNpadZ;//cm
377 Float_t stripWidth = zSenStrip + 2*kdeadBound;
381 par[2] = stripWidth*0.5;
383 // new description for strip volume -double stack strip-
384 // -- all constants are expressed in cm
385 // heigth of different layers
386 const Float_t khhony = 0.8 ; // heigth of HONY Layer
387 const Float_t khpcby = 0.08 ; // heigth of PCB Layer
388 const Float_t khmyly = 0.035 ; // heigth of MYLAR Layer
389 const Float_t khgraphy = 0.02 ; // heigth of GRAPHITE Layer
390 const Float_t khglasseiy = 0.135; // 0.6 Ext. Glass + 1.1 i.e. (Int. Glass/2) (mm)
391 const Float_t khsensmy = 0.11 ; // heigth of Sensitive Freon Mixture
392 const Float_t kwsensmz = 2*3.5 ; // cm
393 const Float_t klsensmx = 48*2.5; // cm
394 const Float_t kwpadz = 3.5; // cm z dimension of the FPAD volume
395 const Float_t klpadx = 2.5; // cm x dimension of the FPAD volume
397 // heigth of the FSTR Volume (the strip volume)
398 const Float_t khstripy = 2*khhony+3*khpcby+4*(khmyly+khgraphy+khglasseiy)+2*khsensmy;
399 // width of the FSTR Volume (the strip volume)
400 const Float_t kwstripz = 10.;
401 // length of the FSTR Volume (the strip volume)
402 const Float_t klstripx = 122.;
404 Float_t parfp[3]={klstripx*0.5,khstripy*0.5,kwstripz*0.5};
405 // coordinates of the strip center in the strip reference frame; used for positioning
406 // internal strip volumes
407 Float_t posfp[3]={0.,0.,0.};
410 // FSTR volume definition and filling this volume with non sensitive Gas Mixture
411 gMC->Gsvolu("FSTR","BOX",idtmed[512],parfp,3);
412 //-- HONY Layer definition
414 parfp[1] = khhony*0.5;
416 gMC->Gsvolu("FHON","BOX",idtmed[503],parfp,3);
417 // positioning 2 HONY Layers on FSTR volume
419 posfp[1]=-khstripy*0.5+parfp[1];
420 gMC->Gspos("FHON",1,"FSTR",0., posfp[1],0.,0,"ONLY");
421 gMC->Gspos("FHON",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
423 //-- PCB Layer definition
424 parfp[1] = khpcby*0.5;
425 gMC->Gsvolu("FPCB","BOX",idtmed[504],parfp,3);
426 // positioning 2 PCB Layers on FSTR volume
427 posfp[1]=-khstripy*0.5+khhony+parfp[1];
428 gMC->Gspos("FPCB",1,"FSTR",0., posfp[1],0.,0,"ONLY");
429 gMC->Gspos("FPCB",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
430 // positioning the central PCB layer
431 gMC->Gspos("FPCB",3,"FSTR",0.,0.,0.,0,"ONLY");
435 //-- MYLAR Layer definition
436 parfp[1] = khmyly*0.5;
437 gMC->Gsvolu("FMYL","BOX",idtmed[511],parfp,3);
438 // positioning 2 MYLAR Layers on FSTR volume
439 posfp[1] = -khstripy*0.5+khhony+khpcby+parfp[1];
440 gMC->Gspos("FMYL",1,"FSTR",0., posfp[1],0.,0,"ONLY");
441 gMC->Gspos("FMYL",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
442 // adding further 2 MYLAR Layers on FSTR volume
443 posfp[1] = khpcby*0.5+parfp[1];
444 gMC->Gspos("FMYL",3,"FSTR",0., posfp[1],0.,0,"ONLY");
445 gMC->Gspos("FMYL",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
448 //-- Graphite Layer definition
449 parfp[1] = khgraphy*0.5;
450 gMC->Gsvolu("FGRP","BOX",idtmed[502],parfp,3);
451 // positioning 2 Graphite Layers on FSTR volume
452 posfp[1] = -khstripy*0.5+khhony+khpcby+khmyly+parfp[1];
453 gMC->Gspos("FGRP",1,"FSTR",0., posfp[1],0.,0,"ONLY");
454 gMC->Gspos("FGRP",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
455 // adding further 2 Graphite Layers on FSTR volume
456 posfp[1] = khpcby*0.5+khmyly+parfp[1];
457 gMC->Gspos("FGRP",3,"FSTR",0., posfp[1],0.,0,"ONLY");
458 gMC->Gspos("FGRP",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
461 //-- Glass (EXT. +Semi INT.) Layer definition
462 parfp[1] = khglasseiy*0.5;
463 gMC->Gsvolu("FGLA","BOX",idtmed[514],parfp,3);
464 // positioning 2 Glass Layers on FSTR volume
465 posfp[1] = -khstripy*0.5+khhony+khpcby+khmyly+khgraphy+parfp[1];
466 gMC->Gspos("FGLA",1,"FSTR",0., posfp[1],0.,0,"ONLY");
467 gMC->Gspos("FGLA",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
468 // adding further 2 Glass Layers on FSTR volume
469 posfp[1] = khpcby*0.5+khmyly+khgraphy+parfp[1];
470 gMC->Gspos("FGLA",3,"FSTR",0., posfp[1],0.,0,"ONLY");
471 gMC->Gspos("FGLA",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
474 //-- Sensitive Mixture Layer definition
475 parfp[0] = klsensmx*0.5;
476 parfp[1] = khsensmy*0.5;
477 parfp[2] = kwsensmz*0.5;
478 gMC->Gsvolu("FSEN","BOX",idtmed[513],parfp,3);
479 gMC->Gsvolu("FNSE","BOX",idtmed[512],parfp,3);
480 // positioning 2 gas Layers on FSTR volume
481 // the upper is insensitive freon
482 // while the remaining is sensitive
483 posfp[1] = khpcby*0.5+khmyly+khgraphy+khglasseiy+parfp[1];
484 gMC->Gspos("FNSE",0,"FSTR", 0., posfp[1],0.,0,"ONLY");
485 gMC->Gspos("FSEN",0,"FSTR", 0.,-posfp[1],0.,0,"ONLY");
487 // dividing FSEN along z in knz=2 and along x in knx=48
488 gMC->Gsdvn("FSEZ","FSEN",knz,3);
489 gMC->Gsdvn("FSEX","FSEZ",knx,1);
491 // FPAD volume definition
492 parfp[0] = klpadx*0.5;
493 parfp[1] = khsensmy*0.5;
494 parfp[2] = kwpadz*0.5;
495 gMC->Gsvolu("FPAD","BOX",idtmed[513],parfp,3);
496 // positioning the FPAD volumes on previous divisions
497 gMC->Gspos("FPAD",0,"FSEX",0.,0.,0.,0,"ONLY");
499 //// Positioning the Strips (FSTR) in the FLT volumes /////
503 Float_t t = zFLTC+zFLTB+zFLTA*0.5+ 2*db;//Half Width of Barrel
505 Float_t gap = fGapA+0.5; //cm updated distance between the strip axis
511 ycoor = -14.5 + kspace ; //2 cm over front plate
513 AliMatrix (idrotm[0], 90., 0.,90.,90.,0., 90.);
514 gMC->Gspos("FSTR",j,"FLTA",0.,ycoor, 0.,idrotm[0],"ONLY");
517 printf("%s: %f, St. %2i, Pl.3 ",ClassName(),ang*kRaddeg,i);
518 printf("%s: y = %f, z = %f, zpos = %f \n",ClassName(),ycoor,zcoor,zpos);
523 Int_t upDown = -1; // upDown=-1 -> Upper strip
524 // upDown=+1 -> Lower strip
526 ang = atan(zcoor/radius);
528 AliMatrix (idrotm[nrot], 90., 0.,90.-ang,90.,-ang, 90.);
529 AliMatrix (idrotm[nrot+1],90.,180.,90.+ang,90., ang, 90.);
531 ycoor = -14.5+ kspace; //2 cm over front plate
532 ycoor += (1-(upDown+1)/2)*gap;
533 gMC->Gspos("FSTR",j ,"FLTA",0.,ycoor, zcoor,idrotm[nrot], "ONLY");
534 gMC->Gspos("FSTR",j+1,"FLTA",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY");
537 printf("%s: %f, St. %2i, Pl.3 ",ClassName(),ang*kRaddeg,i);
538 printf("%s: y = %f, z = %f, zpos = %f \n",ClassName(),ycoor,zcoor,zpos);
542 upDown*= -1; // Alternate strips
543 zcoor = zcoor-(zSenStrip/2)/TMath::Cos(ang)-
544 upDown*gap*TMath::Tan(ang)-
545 (zSenStrip/2)/TMath::Cos(ang);
546 } while (zcoor-(stripWidth/2)*TMath::Cos(ang)>-t+zFLTC+zFLTB+db*2);
548 zcoor = zcoor+(zSenStrip/2)/TMath::Cos(ang)+
549 upDown*gap*TMath::Tan(ang)+
550 (zSenStrip/2)/TMath::Cos(ang);
553 zcoor = zcoor-(zSenStrip/2)/TMath::Cos(ang)-
554 upDown*gap*TMath::Tan(ang)-
555 (zSenStrip/2)/TMath::Cos(ang);
557 ang = atan(zcoor/radius);
559 AliMatrix (idrotm[nrot], 90., 0.,90.-ang,90.,-ang, 90.);
560 AliMatrix (idrotm[nrot+1],90.,180.,90.+ang,90., ang, 90.);
563 ycoor = -14.5+ kspace; //2 cm over front plate
564 ycoor += (1-(upDown+1)/2)*gap;
565 gMC->Gspos("FSTR",j ,"FLTA",0.,ycoor, zcoor,idrotm[nrot], "ONLY");
566 gMC->Gspos("FSTR",j+1,"FLTA",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY");
569 printf("%s: %f, St. %2i, Pl.3 ",ClassName(),ang*kRaddeg,i);
570 printf("%s: y = %f, z = %f, zpos = %f \n",ClassName(),ycoor,zcoor,zpos);
573 ycoor = -hTof/2.+ kspace;//2 cm over front plate
580 Float_t deadRegion = 1.0;//cm
582 zpos = zcoor - (zSenStrip/2)/TMath::Cos(ang)-
583 upDown*gap*TMath::Tan(ang)-
584 (zSenStrip/2)/TMath::Cos(ang)-
585 deadRegion/TMath::Cos(ang);
587 ang = atan(zpos/radius);
589 AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
591 ycoor = -hTof*0.5+ kspace ; //2 cm over front plate
592 ycoor += (1-(upDown+1)/2)*gap;
593 zcoor = zpos+(zFLTA*0.5+zFLTB*0.5+db); // Moves to the system of the modulus FLTB
594 gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
597 printf("%s: %f, St. %2i, Pl.4 ",ClassName(),ang*kRaddeg,i);
598 printf("%s: y = %f, z = %f, zpos = %f \n",ClassName(),ycoor,zcoor,zpos);
605 zpos = zpos - (zSenStrip/2)/TMath::Cos(ang)-
606 upDown*gap*TMath::Tan(ang)-
607 (zSenStrip/2)/TMath::Cos(ang);
608 ang = atan(zpos/radius);
610 AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
612 Float_t deltaSpaceinB=-0.5; // [cm] to avoid overlaps with the end of freon frame
613 Float_t deltaGapinB=0.5; // [cm] to avoid overlaps in between initial strips
614 ycoor = -hTof*0.5+ kspace+deltaSpaceinB ; //2 cm over front plate
615 ycoor += (1-(upDown+1)/2)*(gap+deltaGapinB);
616 zcoor = zpos+(zFLTA*0.5+zFLTB*0.5+db); // Moves to the system of the modulus FLTB
617 gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
620 printf("%s: %f, St. %2i, Pl.4 ",ClassName(),ang*kRaddeg,i);
621 printf("%s: y = %f, z = %f, zpos = %f \n",ClassName(),ycoor,zcoor,zpos);
626 } while (TMath::Abs(ang*kRaddeg)<22.5);
627 //till we reach a tilting angle of 22.5 degrees
629 ycoor = -hTof*0.5+ kspace ; //2 cm over front plate
630 zpos = zpos - zSenStrip/TMath::Cos(ang);
631 // this avoid overlaps in between outer strips in plate B
632 Float_t deltaMovingUp=0.8; // [cm]
633 Float_t deltaMovingDown=-0.5; // [cm]
636 ang = atan(zpos/radius);
638 AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
640 zcoor = zpos+(zFLTB/2+zFLTA/2+db);
641 gMC->Gspos("FSTR",i, "FLTB", 0., ycoor+deltaMovingDown+deltaMovingUp, zcoor,idrotm[nrot], "ONLY");
642 deltaMovingUp+=0.8; // update delta moving toward the end of the plate
643 zpos = zpos - zSenStrip/TMath::Cos(ang);
645 printf("%s: %f, St. %2i, Pl.4 ",ClassName(),ang*kRaddeg,i);
646 printf("%s: y = %f, z = %f, zpos = %f \n",ClassName(),ycoor,zcoor,zpos);
650 } while (zpos-stripWidth*0.5/TMath::Cos(ang)>-t+zFLTC+db);
654 zpos = zpos + zSenStrip/TMath::Cos(ang);
656 zpos = zpos - (zSenStrip/2)/TMath::Cos(ang)+
658 (zSenStrip/2)/TMath::Cos(ang);
662 Float_t deltaGap=-2.5; // [cm] update distance from strip center and plate
663 ycoor= -hTof*0.5+kspace+gap+deltaGap;
667 ang = atan(zpos/radius);
669 AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
671 zcoor = zpos+(zFLTC*0.5+zFLTB+zFLTA*0.5+db*2);
672 gMC->Gspos("FSTR",i, "FLTC", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
675 printf("%s: %f, St. %2i, Pl.5 ",ClassName(),ang*kRaddeg,i);
676 printf("%s: y = %f, z = %f, zpos = %f \n",ClassName(),ycoor,zcoor,zpos);
679 zpos = zpos - zSenStrip/TMath::Cos(ang);
680 } while (zpos-stripWidth*TMath::Cos(ang)*0.5>-t);
683 ////////// Layers after strips /////////////////
684 // Al Layer thickness (2.3mm) factor 0.7
686 Float_t overSpace = fOverSpc;//cm
689 par[1] = 0.115*0.7; // factor 0.7
690 par[2] = (zFLTA *0.5);
691 ycoor = -yFLT/2 + overSpace + par[1];
692 gMC->Gsvolu("FPEA", "BOX ", idtmed[508], par, 3); // Al
693 gMC->Gspos ("FPEA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
694 par[2] = (zFLTB *0.5);
695 gMC->Gsvolu("FPEB", "BOX ", idtmed[508], par, 3); // Al
696 gMC->Gspos ("FPEB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
697 par[2] = (zFLTC *0.5);
698 gMC->Gsvolu("FPEC", "BOX ", idtmed[508], par, 3); // Al
699 gMC->Gspos ("FPEC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
702 // plexiglass thickness: 1.5 mm ; factor 0.3
705 par[1] = 0.075*0.3; // factor 0.3
706 par[2] = (zFLTA *0.5);
708 gMC->Gsvolu("FECA", "BOX ", idtmed[505], par, 3); // Plexigl.
709 gMC->Gspos ("FECA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
710 par[2] = (zFLTB *0.5);
711 gMC->Gsvolu("FECB", "BOX ", idtmed[505], par, 3); // Plexigl.
712 gMC->Gspos ("FECB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
713 par[2] = (zFLTC *0.5);
714 gMC->Gsvolu("FECC", "BOX ", idtmed[505], par, 3); // Plexigl.
715 gMC->Gspos ("FECC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
720 par[1] = (yFLT/2-ycoor-khAlWall)*0.5; // Aluminum layer considered (0.18 cm)
721 par[2] = (zFLTA *0.5);
723 gMC->Gsvolu("FAIA", "BOX ", idtmed[500], par, 3); // Air
724 gMC->Gspos ("FAIA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
725 par[2] = (zFLTB *0.5);
726 gMC->Gsvolu("FAIB", "BOX ", idtmed[500], par, 3); // Air
727 gMC->Gspos ("FAIB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
728 par[2] = (zFLTC *0.5);
729 gMC->Gsvolu("FAIC", "BOX ", idtmed[500], par, 3); // Air
730 gMC->Gspos ("FAIC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
733 // start with cards and cooling tubes
734 // finally, cards, cooling tubes and layer for thermal dispersion
736 // card volume definition
738 // see GEOM200 in GEANT manual
739 AliMatrix(idrotm[98], 90., 0., 90., 90., 0., 0.); // 0 deg
745 gMC->Gsvolu("FCAR", "BOX ", idtmed[504], cardpar, 3); // PCB Card
746 //alu plate volume definition
749 gMC->Gsvolu("FALP", "BOX ", idtmed[508], cardpar, 3); // Alu Plate
752 // central module positioning (FAIA)
753 Float_t cardpos[3], aplpos2, stepforcardA=6.625;
757 Float_t aplpos1 = -2.;
759 for (icard=0; icard<15; ++icard) {
760 cardpos[2]= cardpos[2]+stepforcardA;
761 aplpos2 = cardpos[2]+0.15;
762 gMC->Gspos("FCAR",icard,"FAIA",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY");
763 gMC->Gspos("FALP",icard,"FAIA",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
768 // intermediate module positioning (FAIB)
769 Float_t stepforcardB= 7.05;
771 for (icard=0; icard<19; ++icard) {
772 cardpos[2]= cardpos[2]+stepforcardB;
773 aplpos2 = cardpos[2]+0.15;
774 gMC->Gspos("FCAR",icard,"FAIB",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY");
775 gMC->Gspos("FALP",icard,"FAIB",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
779 // outer module positioning (FAIC)
780 Float_t stepforcardC= 8.45238;
782 for (icard=0; icard<20; ++icard) {
783 cardpos[2]= cardpos[2]+stepforcardC;
784 aplpos2 = cardpos[2]+0.15;
785 gMC->Gspos("FCAR",icard,"FAIC",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY");
786 gMC->Gspos("FALP",icard,"FAIC",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
789 // tube volume definition
794 gMC->Gsvolu("FTUB", "TUBE", idtmed[516], tubepar, 3); // cooling tubes (steel)
798 gMC->Gsvolu("FITU", "TUBE", idtmed[515], tubepar, 3); // cooling water
799 // positioning water tube into the steel one
800 gMC->Gspos("FITU",1,"FTUB",0.,0.,0.,0,"ONLY");
804 AliMatrix(idrotm[99], 180., 90., 90., 90., 90., 0.);
805 // central module positioning (FAIA)
806 Float_t tubepos[3], tdis=0.6;
808 tubepos[1]= cardpos[1];
809 tubepos[2]= -53.+tdis;
812 for (itub=0; itub<15; ++itub) {
813 tubepos[2]= tubepos[2]+stepforcardA;
814 gMC->Gspos("FTUB",itub,"FAIA",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
819 // intermediate module positioning (FAIB)
820 tubepos[2]= -70.5+tdis;
821 for (itub=0; itub<19; ++itub) {
822 tubepos[2]= tubepos[2]+stepforcardB;
823 gMC->Gspos("FTUB",itub,"FAIB",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
827 // outer module positioning (FAIC)
828 tubepos[2]= -88.75+tdis;
829 for (itub=0; itub<20; ++itub) {
830 tubepos[2]= tubepos[2]+stepforcardC;
831 gMC->Gspos("FTUB",itub,"FAIC",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
837 //_____________________________________________________________________________
838 void AliTOFv2::DrawModule() const
841 // Draw a shaded view of the Time Of Flight version 2
843 // Set everything unseen
844 gMC->Gsatt("*", "seen", -1);
846 // Set ALIC mother transparent
847 gMC->Gsatt("ALIC","SEEN",0);
849 // Set the volumes visible
850 gMC->Gsatt("ALIC","SEEN",0);
852 gMC->Gsatt("FTOA","SEEN",1);
853 gMC->Gsatt("FTOB","SEEN",1);
854 gMC->Gsatt("FTOC","SEEN",1);
855 gMC->Gsatt("FLTA","SEEN",1);
856 gMC->Gsatt("FLTB","SEEN",1);
857 gMC->Gsatt("FLTC","SEEN",1);
858 gMC->Gsatt("FPLA","SEEN",1);
859 gMC->Gsatt("FPLB","SEEN",1);
860 gMC->Gsatt("FPLC","SEEN",1);
861 gMC->Gsatt("FSTR","SEEN",1);
862 gMC->Gsatt("FPEA","SEEN",1);
863 gMC->Gsatt("FPEB","SEEN",1);
864 gMC->Gsatt("FPEC","SEEN",1);
866 gMC->Gsatt("FLZ1","SEEN",0);
867 gMC->Gsatt("FLZ2","SEEN",0);
868 gMC->Gsatt("FLZ3","SEEN",0);
869 gMC->Gsatt("FLX1","SEEN",0);
870 gMC->Gsatt("FLX2","SEEN",0);
871 gMC->Gsatt("FLX3","SEEN",0);
872 gMC->Gsatt("FPAD","SEEN",0);
874 gMC->Gdopt("hide", "on");
875 gMC->Gdopt("shad", "on");
876 gMC->Gsatt("*", "fill", 7);
877 gMC->SetClipBox(".");
878 gMC->SetClipBox("*", 0, 1000, -1000, 1000, -1000, 1000);
880 gMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .02, .02);
881 gMC->Gdhead(1111, "Time Of Flight");
882 gMC->Gdman(18, 4, "MAN");
883 gMC->Gdopt("hide","off");
885 //_____________________________________________________________________________
886 void AliTOFv2::DrawDetectorModules()
889 // Draw a shaded view of the TOF detector version 2
892 AliMC* pMC = AliMC::GetMC();
894 //Set ALIC mother transparent
895 pMC->Gsatt("ALIC","SEEN",0);
898 //Set volumes visible
901 // Level 1 for TOF volumes
902 gMC->Gsatt("B077","seen",0);
905 //==========> Level 2
907 gMC->Gsatt("B076","seen",-1); // all B076 sub-levels skipped -
908 gMC->Gsatt("B071","seen",0);
909 gMC->Gsatt("B074","seen",0);
910 gMC->Gsatt("B075","seen",0);
911 gMC->Gsatt("B080","seen",0); // B080 does not has sub-level
915 gMC->Gsatt("B063","seen",-1); // all B063 sub-levels skipped -
916 gMC->Gsatt("B065","seen",-1); // all B065 sub-levels skipped -
917 gMC->Gsatt("B067","seen",-1); // all B067 sub-levels skipped -
918 gMC->Gsatt("B069","seen",-1); // all B069 sub-levels skipped -
919 gMC->Gsatt("B056","seen",0); // B056 does not has sub-levels -
920 gMC->Gsatt("B059","seen",-1); // all B059 sub-levels skipped -
921 gMC->Gsatt("B072","seen",-1); // all B072 sub-levels skipped -
922 gMC->Gsatt("BTR1","seen",0); // BTR1 do not have sub-levels -
923 gMC->Gsatt("BTO1","seen",0);
927 gMC->Gsatt("BTR2","seen",0); // BTR2 does not has sub-levels -
928 gMC->Gsatt("BTO2","seen",0);
931 gMC->Gsatt("BTR3","seen",0); // BTR3 do not have sub-levels -
932 gMC->Gsatt("BTO3","seen",0);
934 // ==================> Level 3
935 // Level 3 of B071 / Level 2 of BTO1
936 gMC->Gsatt("FTOC","seen",-2);
937 gMC->Gsatt("FTOB","seen",-2);
938 gMC->Gsatt("FTOA","seen",-2);
940 // Level 3 of B074 / Level 2 of BTO2
941 // -> cfr previous settings
943 // Level 3 of B075 / Level 2 of BTO3
944 // -> cfr previous settings
946 gMC->Gdopt("hide","on");
947 gMC->Gdopt("shad","on");
948 gMC->Gsatt("*", "fill", 5);
949 gMC->SetClipBox(".");
950 gMC->SetClipBox("*", 0, 1000, 0, 1000, 0, 1000);
952 gMC->Gdraw("alic", 45, 40, 0, 10, 10, .015, .015);
953 gMC->Gdhead(1111,"TOF detector V1");
954 gMC->Gdman(18, 4, "MAN");
955 gMC->Gdopt("hide","off");
958 //_____________________________________________________________________________
959 void AliTOFv2::DrawDetectorStrips()
962 // Draw a shaded view of the TOF strips for version 2
965 AliMC* pMC = AliMC::GetMC();
967 //Set ALIC mother transparent
968 pMC->Gsatt("ALIC","SEEN",0);
971 //Set volumes visible
973 // Level 1 for TOF volumes
974 gMC->Gsatt("B077","seen",0);
976 //==========> Level 2
978 gMC->Gsatt("B076","seen",-1); // all B076 sub-levels skipped -
979 gMC->Gsatt("B071","seen",0);
980 gMC->Gsatt("B074","seen",0);
981 gMC->Gsatt("B075","seen",0);
982 gMC->Gsatt("B080","seen",0); // B080 does not has sub-level
985 gMC->Gsatt("B063","seen",-1); // all B063 sub-levels skipped -
986 gMC->Gsatt("B065","seen",-1); // all B065 sub-levels skipped -
987 gMC->Gsatt("B067","seen",-1); // all B067 sub-levels skipped -
988 gMC->Gsatt("B069","seen",-1); // all B069 sub-levels skipped -
989 gMC->Gsatt("B056","seen",0); // B056 does not has sub-levels -
990 gMC->Gsatt("B059","seen",-1); // all B059 sub-levels skipped -
991 gMC->Gsatt("B072","seen",-1); // all B072 sub-levels skipped -
992 gMC->Gsatt("BTR1","seen",0); // BTR1 do not have sub-levels -
993 gMC->Gsatt("BTO1","seen",0);
995 // ==================> Level 3
996 // Level 3 of B071 / Level 2 of BTO1
997 gMC->Gsatt("FTOC","seen",0);
998 gMC->Gsatt("FTOB","seen",0);
999 gMC->Gsatt("FTOA","seen",0);
1001 // Level 3 of B074 / Level 2 of BTO2
1002 // -> cfr previous settings
1004 // Level 3 of B075 / Level 2 of BTO3
1005 // -> cfr previous settings
1008 // ==========================> Level 4
1009 // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOC
1010 gMC->Gsatt("FLTC","seen",0);
1011 // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOB
1012 gMC->Gsatt("FLTB","seen",0);
1013 // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOA
1014 gMC->Gsatt("FLTA","seen",0);
1016 // Level 4 of B074 / Level 3 of BTO2 / Level 2 of FTOC
1017 // -> cfr previous settings
1018 // Level 4 of B074 / Level 3 of BTO2 / Level 2 of FTOB
1019 // -> cfr previous settings
1021 // Level 4 of B075 / Level 3 of BTO3 / Level 2 of FTOC
1022 // -> cfr previous settings
1024 //======================================> Level 5
1025 // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOC / Level 2 of FLTC
1026 gMC->Gsatt("FALC","seen",0); // no children for FALC
1027 gMC->Gsatt("FSTR","seen",-2);
1028 gMC->Gsatt("FPEC","seen",0); // no children for FPEC
1029 gMC->Gsatt("FECC","seen",0); // no children for FECC
1030 gMC->Gsatt("FWAC","seen",0); // no children for FWAC
1031 gMC->Gsatt("FAIC","seen",0); // no children for FAIC
1033 // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOB / Level 2 of FLTB
1034 gMC->Gsatt("FALB","seen",0); // no children for FALB
1035 //--> gMC->Gsatt("FSTR","seen",-2);
1038 // -> cfr previous settings
1039 gMC->Gsatt("FPEB","seen",0); // no children for FPEB
1040 gMC->Gsatt("FECB","seen",0); // no children for FECB
1041 gMC->Gsatt("FWAB","seen",0); // no children for FWAB
1042 gMC->Gsatt("FAIB","seen",0); // no children for FAIB
1044 // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOA / Level 2 of FLTA
1045 gMC->Gsatt("FALA","seen",0); // no children for FALB
1046 //--> gMC->Gsatt("FSTR","seen",-2);
1047 // -> cfr previous settings
1048 gMC->Gsatt("FPEA","seen",0); // no children for FPEA
1049 gMC->Gsatt("FECA","seen",0); // no children for FECA
1050 gMC->Gsatt("FWAA","seen",0); // no children for FWAA
1051 gMC->Gsatt("FAIA","seen",0); // no children for FAIA
1054 gMC->Gsatt("BTR2","seen",0); // BTR2 does not has sub-levels -
1055 gMC->Gsatt("BTO2","seen",0);
1058 gMC->Gsatt("BTR3","seen",0); // BTR3 do not have sub-levels -
1059 gMC->Gsatt("BTO3","seen",0);
1061 // for others Level 5, cfr. previous settings
1063 gMC->Gdopt("hide","on");
1064 gMC->Gdopt("shad","on");
1065 gMC->Gsatt("*", "fill", 5);
1066 gMC->SetClipBox(".");
1067 gMC->SetClipBox("*", 0, 1000, 0, 1000, 0, 1000);
1068 gMC->DefaultRange();
1069 gMC->Gdraw("alic", 45, 40, 0, 10, 10, .015, .015);
1070 gMC->Gdhead(1111,"TOF Strips V1");
1071 gMC->Gdman(18, 4, "MAN");
1072 gMC->Gdopt("hide","off");
1075 //_____________________________________________________________________________
1076 void AliTOFv2::CreateMaterials()
1079 // Define materials for the Time Of Flight
1081 AliTOF::CreateMaterials();
1084 //_____________________________________________________________________________
1085 void AliTOFv2::Init()
1088 // Initialise the detector after the geometry has been defined
1091 printf("%s: **************************************"
1093 "**************************************\n",ClassName());
1094 printf("\n%s: Version 2 of TOF initialing, "
1095 "TOF with holes for PHOS and RICH \n",ClassName());
1100 fIdFTOA = gMC->VolId("FTOA");
1101 fIdFTOB = gMC->VolId("FTOB");
1102 fIdFTOC = gMC->VolId("FTOC");
1103 fIdFLTA = gMC->VolId("FLTA");
1104 fIdFLTB = gMC->VolId("FLTB");
1105 fIdFLTC = gMC->VolId("FLTC");
1108 printf("%s: **************************************"
1110 "**************************************\n",ClassName());
1114 //_____________________________________________________________________________
1115 void AliTOFv2::StepManager()
1118 // Procedure called at each step in the Time Of Flight
1120 TLorentzVector mom, pos;
1121 Float_t xm[3],pm[3],xpad[3],ppad[3];
1122 Float_t hits[13],phi,phid,z;
1124 Int_t sector, plate, padx, padz, strip;
1125 Int_t copy, padzid, padxid, stripid, i;
1126 Int_t *idtmed = fIdtmed->GetArray()-499;
1127 Float_t incidenceAngle;
1129 if(gMC->GetMedium()==idtmed[513] &&
1130 gMC->IsTrackEntering() && gMC->TrackCharge()
1131 && gMC->CurrentVolID(copy)==fIdSens)
1133 // getting information about hit volumes
1135 padzid=gMC->CurrentVolOffID(2,copy);
1138 padxid=gMC->CurrentVolOffID(1,copy);
1141 stripid=gMC->CurrentVolOffID(4,copy);
1144 gMC->TrackPosition(pos);
1145 gMC->TrackMomentum(mom);
1147 // Double_t NormPos=1./pos.Rho();
1148 Double_t normMom=1./mom.Rho();
1150 // getting the cohordinates in pad ref system
1151 xm[0] = (Float_t)pos.X();
1152 xm[1] = (Float_t)pos.Y();
1153 xm[2] = (Float_t)pos.Z();
1155 pm[0] = (Float_t)mom.X()*normMom;
1156 pm[1] = (Float_t)mom.Y()*normMom;
1157 pm[2] = (Float_t)mom.Z()*normMom;
1159 gMC->Gmtod(xm,xpad,1);
1160 gMC->Gmtod(pm,ppad,2);
1162 if (ppad[1] > 1.) ppad[1]=1;
1163 if (ppad[1] < -1.) ppad[1]=-1;
1164 incidenceAngle = TMath::ACos(ppad[1])*kRaddeg;
1169 if (TMath::Abs(z) <= fZlenA*0.5) plate = 3;
1170 if (z < (fZlenA*0.5+fZlenB) &&
1171 z > fZlenA*0.5) plate = 4;
1172 if (z >-(fZlenA*0.5+fZlenB) &&
1173 z < -fZlenA*0.5) plate = 2;
1174 if (z > (fZlenA*0.5+fZlenB)) plate = 5;
1175 if (z <-(fZlenA*0.5+fZlenB)) plate = 1;
1178 phid = phi*kRaddeg+180.;
1179 sector = Int_t (phid/20.);
1187 hits[6] = mom.Rho();
1192 hits[11]= incidenceAngle;
1193 hits[12]= gMC->Edep();
1201 AddHit(gAlice->CurrentTrack(),vol, hits);