AliTPCTransform.h - removing warning visible in
[u/mrichter/AliRoot.git] / TOF / AliTOFv4.cxx
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3  *                                                                        *
4  * Author: The ALICE Off-line Project.                                    *
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15
16 /* $Id$ */
17
18 ///////////////////////////////////////////////////////////////////////////////
19 //                                                                           //
20 //  This class contains the functions for version 4 of the Time Of Flight    //
21 //  detector.                                                                //
22 //                                                                           //
23 //  VERSION WITH 5 MODULES AND TILTED STRIPS                                 //
24 //                                                                           //
25 //   FULL COVERAGE VERSION                                                   //
26 //                                                                           //
27 //                                                                           //
28 //   Authors:                                                                //
29 //                                                                           //
30 //   Alessio Seganti                                                         //
31 //   Domenico Vicinanza                                                      //
32 //                                                                           //
33 //   University of Salerno - Italy                                           //
34 //                                                                           //
35 //   Fabrizio Pierella                                                       //
36 //   University of Bologna - Italy                                           //
37 //                                                                           //
38 //                                                                           //
39 //Begin_Html                                                                 //
40 /*                                                                           //
41 <img src="picts/AliTOFv4Class.gif">                                          //
42 */                                                                           //
43 //End_Html                                                                   //
44 //                                                                           //
45 ///////////////////////////////////////////////////////////////////////////////
46
47 #include <Riostream.h>
48 #include <stdlib.h>
49
50 #include <TLorentzVector.h>
51 #include <TObject.h>
52 #include <TVirtualMC.h>
53
54 #include "AliConst.h"
55 #include "AliRun.h"
56 #include "AliTOFv4.h"
57 #include "AliTOFConstants.h" // AdC
58 #include "AliMC.h"
59  
60 ClassImp(AliTOFv4)
61  
62 //_____________________________________________________________________________
63 AliTOFv4::AliTOFv4()
64 {
65   //
66   // Default constructor
67   //
68 }
69  
70 //_____________________________________________________________________________
71 AliTOFv4::AliTOFv4(const char *name, const char *title)
72         : AliTOF(name,title)
73 {
74   //
75   // Standard constructor
76   //
77   //
78   // Check that FRAME is there otherwise we have no place where to
79   // put TOF
80   AliModule* frame=gAlice->GetModule("FRAME");
81   if(!frame) {
82     Error("Ctor","TOF needs FRAME to be present\n");
83     exit(1);
84   } else
85     if(frame->IsVersion()!=1) {
86       Error("Ctor","FRAME version 1 needed with this version of TOF\n");
87       exit(1);
88     }
89  
90 }
91  
92 //_____________________________________________________________________________
93 void AliTOFv4::CreateGeometry()
94 {
95   //
96   // Create geometry for Time Of Flight version 0
97   //
98   //Begin_Html
99   /*
100     <img src="picts/AliTOFv4.gif">
101   */
102   //End_Html
103   //
104   // Creates common geometry
105   //
106   AliTOF::CreateGeometry();
107 }
108  
109 //_____________________________________________________________________________
110 void AliTOFv4::TOFpc(Float_t xtof, Float_t ytof, Float_t zlenC,
111                      Float_t zlenB, Float_t zlenA, Float_t ztof0)
112 {
113   //
114   // Definition of the Time Of Fligh Resistive Plate Chambers
115   // xFLT, yFLT, zFLT - sizes of TOF modules (large)
116   
117   Float_t  ycoor, zcoor;
118   Float_t  par[3];
119   Int_t    *idtmed = fIdtmed->GetArray()-499;
120   Int_t    idrotm[100];
121   Int_t    nrot = 0;
122   Float_t  hTof = fRmax-fRmin;
123   
124   Float_t radius = fRmin+2.;//cm
125
126   par[0] =  xtof * 0.5;
127   par[1] =  ytof * 0.5;
128   par[2] = zlenC * 0.5;
129   gMC->Gsvolu("FTOC", "BOX ", idtmed[506], par, 3);
130   par[2] = zlenB * 0.5;
131   gMC->Gsvolu("FTOB", "BOX ", idtmed[506], par, 3);
132   par[2] = zlenA * 0.5;
133   gMC->Gsvolu("FTOA", "BOX ", idtmed[506], par, 3);
134
135
136   // Positioning of modules
137
138   Float_t zcor1 = ztof0 - zlenC*0.5;
139   Float_t zcor2 = ztof0 - zlenC - zlenB*0.5;
140   Float_t zcor3 = 0.;
141   
142   AliMatrix(idrotm[0], 90.,  0., 0., 0., 90,-90.);
143   AliMatrix(idrotm[1], 90.,180., 0., 0., 90, 90.);
144   gMC->Gspos("FTOC", 1, "BTO1", 0,  zcor1, 0, idrotm[0], "ONLY");
145   gMC->Gspos("FTOC", 2, "BTO1", 0, -zcor1, 0, idrotm[1], "ONLY");
146   gMC->Gspos("FTOC", 1, "BTO2", 0,  zcor1, 0, idrotm[0], "ONLY");
147   gMC->Gspos("FTOC", 2, "BTO2", 0, -zcor1, 0, idrotm[1], "ONLY");
148   gMC->Gspos("FTOC", 1, "BTO3", 0,  zcor1, 0, idrotm[0], "ONLY");
149   gMC->Gspos("FTOC", 2, "BTO3", 0, -zcor1, 0, idrotm[1], "ONLY");
150   
151   gMC->Gspos("FTOB", 1, "BTO1", 0,  zcor2, 0, idrotm[0], "ONLY");
152   gMC->Gspos("FTOB", 2, "BTO1", 0, -zcor2, 0, idrotm[1], "ONLY");
153   gMC->Gspos("FTOB", 1, "BTO2", 0,  zcor2, 0, idrotm[0], "ONLY");
154   gMC->Gspos("FTOB", 2, "BTO2", 0, -zcor2, 0, idrotm[1], "ONLY");
155   gMC->Gspos("FTOB", 1, "BTO3", 0,  zcor2, 0, idrotm[0], "ONLY");
156   gMC->Gspos("FTOB", 2, "BTO3", 0, -zcor2, 0, idrotm[1], "ONLY");
157   
158   gMC->Gspos("FTOA", 0, "BTO1", 0, zcor3,  0, idrotm[0], "ONLY");
159   gMC->Gspos("FTOA", 0, "BTO2", 0, zcor3,  0, idrotm[0], "ONLY");
160   gMC->Gspos("FTOA", 0, "BTO3", 0, zcor3,  0, idrotm[0], "ONLY");
161   
162   Float_t db = 0.5;//cm
163   Float_t xFLT, xFST, yFLT, zFLTA, zFLTB, zFLTC;
164   
165   xFLT = fStripLn;
166   yFLT = ytof;
167   zFLTA = zlenA;
168   zFLTB = zlenB;
169   zFLTC = zlenC;
170   
171   xFST = xFLT-fDeadBndX*2;//cm
172
173   // Sizes of MRPC pads
174   
175   Float_t yPad = 0.505;//cm 
176   
177   // Large not sensitive volumes with Insensitive Freon
178   par[0] = xFLT*0.5;
179   par[1] = yFLT*0.5;
180   
181   if (fDebug) cout << ClassName() <<
182                 ": ************************* TOF geometry **************************"<<endl;
183   
184   par[2] = (zFLTA *0.5);
185   gMC->Gsvolu("FLTA", "BOX ", idtmed[512], par, 3); // Insensitive Freon
186   gMC->Gspos ("FLTA", 0, "FTOA", 0., 0., 0., 0, "ONLY");
187   
188   par[2] = (zFLTB * 0.5);
189   gMC->Gsvolu("FLTB", "BOX ", idtmed[512], par, 3); // Insensitive Freon
190   gMC->Gspos ("FLTB", 0, "FTOB", 0., 0., 0., 0, "ONLY");
191   
192   par[2] = (zFLTC * 0.5);
193   gMC->Gsvolu("FLTC", "BOX ", idtmed[512], par, 3); // Insensitive Freon
194   gMC->Gspos ("FLTC", 0, "FTOC", 0., 0., 0., 0, "ONLY");
195   
196   ///// Layers of Aluminum before and after detector /////
197   ///// Aluminum Box for Modules (1.8 mm thickness)  /////
198   ///// lateral walls not simulated for the time being
199   //const Float_t khAlWall = 0.18;
200   // fp to be checked
201   const Float_t khAlWall = 0.11;
202   par[0] = xFLT*0.5;
203   par[1] = khAlWall/2.;//cm
204   ycoor = -yFLT/2 + par[1];
205   par[2] = (zFLTA *0.5);
206   gMC->Gsvolu("FALA", "BOX ", idtmed[508], par, 3); // Alluminium
207   gMC->Gspos ("FALA", 1, "FLTA", 0., ycoor, 0., 0, "ONLY");
208   gMC->Gspos ("FALA", 2, "FLTA", 0.,-ycoor, 0., 0, "ONLY");
209   par[2] = (zFLTB *0.5);
210   gMC->Gsvolu("FALB", "BOX ", idtmed[508], par, 3); // Alluminium 
211   gMC->Gspos ("FALB", 1, "FLTB", 0., ycoor, 0., 0, "ONLY");
212   gMC->Gspos ("FALB", 2, "FLTB", 0.,-ycoor, 0., 0, "ONLY");
213   par[2] = (zFLTC *0.5);
214   gMC->Gsvolu("FALC", "BOX ", idtmed[508], par, 3); // Alluminium
215   gMC->Gspos ("FALC", 1, "FLTC", 0., ycoor, 0., 0, "ONLY");
216   gMC->Gspos ("FALC", 2, "FLTC", 0.,-ycoor, 0., 0, "ONLY");
217   
218   ///////////////// Detector itself //////////////////////
219
220   const Float_t  kdeadBound  =  fDeadBndZ; //cm non-sensitive between the pad edge 
221   //and the boundary of the strip
222   const Int_t    knx    = fNpadX;          // number of pads along x
223   const Int_t    knz    = fNpadZ;          // number of pads along z
224   const Float_t  kspace = fSpace;            //cm distance from the front plate of the box
225   
226   Float_t zSenStrip  = fZpad*fNpadZ;//cm
227   Float_t stripWidth = zSenStrip + 2*kdeadBound;
228   
229   par[0] = xFLT*0.5;
230   par[1] = yPad*0.5;
231   par[2] = stripWidth*0.5;
232   
233   // new description for strip volume -double stack strip-
234   // -- all constants are expressed in cm
235   // heigth of different layers
236   const Float_t khhony = 0.8     ;   // heigth of HONY  Layer
237   const Float_t khpcby = 0.08    ;   // heigth of PCB   Layer
238   const Float_t khmyly = 0.035   ;   // heigth of MYLAR Layer
239   const Float_t khgraphy = 0.02  ;   // heigth of GRAPHITE Layer
240   const Float_t khglasseiy = 0.135;   // 0.6 Ext. Glass + 1.1 i.e. (Int. Glass/2) (mm)
241   const Float_t khsensmy = 0.11  ;   // heigth of Sensitive Freon Mixture
242   const Float_t kwsensmz = 2*3.5 ;   // cm
243   const Float_t klsensmx = 48*2.5;   // cm
244   const Float_t kwpadz = 3.5;   // cm z dimension of the FPAD volume
245   const Float_t klpadx = 2.5;   // cm x dimension of the FPAD volume
246   
247   // heigth of the FSTR Volume (the strip volume)
248   const Float_t khstripy = 2*khhony+3*khpcby+4*(khmyly+khgraphy+khglasseiy)+2*khsensmy;
249   // width  of the FSTR Volume (the strip volume)
250   const Float_t kwstripz = 10.;
251   // length of the FSTR Volume (the strip volume)
252   const Float_t klstripx = 122.;
253   
254   Float_t parfp[3]={klstripx*0.5,khstripy*0.5,kwstripz*0.5};
255   // coordinates of the strip center in the strip reference frame; used for positioning
256   // internal strip volumes
257   Float_t posfp[3]={0.,0.,0.};  
258   
259   
260   // FSTR volume definition and filling this volume with non sensitive Gas Mixture
261   gMC->Gsvolu("FSTR","BOX",idtmed[512],parfp,3);
262   //-- HONY Layer definition
263   //  parfp[0] = -1;
264   parfp[1] = khhony*0.5;
265   //  parfp[2] = -1;
266   gMC->Gsvolu("FHON","BOX",idtmed[503],parfp,3);
267   // positioning 2 HONY Layers on FSTR volume
268   
269   posfp[1]=-khstripy*0.5+parfp[1];
270   gMC->Gspos("FHON",1,"FSTR",0., posfp[1],0.,0,"ONLY");
271   gMC->Gspos("FHON",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
272   
273   //-- PCB Layer definition 
274   parfp[1] = khpcby*0.5;
275   gMC->Gsvolu("FPCB","BOX",idtmed[504],parfp,3);
276   // positioning 2 PCB Layers on FSTR volume
277   posfp[1]=-khstripy*0.5+khhony+parfp[1];
278   gMC->Gspos("FPCB",1,"FSTR",0., posfp[1],0.,0,"ONLY");
279   gMC->Gspos("FPCB",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
280   // positioning the central PCB layer
281   gMC->Gspos("FPCB",3,"FSTR",0.,0.,0.,0,"ONLY");
282   
283   
284   
285   //-- MYLAR Layer definition
286   parfp[1] = khmyly*0.5;
287   gMC->Gsvolu("FMYL","BOX",idtmed[511],parfp,3);
288   // positioning 2 MYLAR Layers on FSTR volume
289   posfp[1] = -khstripy*0.5+khhony+khpcby+parfp[1];
290   gMC->Gspos("FMYL",1,"FSTR",0., posfp[1],0.,0,"ONLY");
291   gMC->Gspos("FMYL",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
292   // adding further 2 MYLAR Layers on FSTR volume
293   posfp[1] = khpcby*0.5+parfp[1];
294   gMC->Gspos("FMYL",3,"FSTR",0., posfp[1],0.,0,"ONLY");
295   gMC->Gspos("FMYL",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
296   
297   
298   //-- Graphite Layer definition
299   parfp[1] = khgraphy*0.5;
300   gMC->Gsvolu("FGRP","BOX",idtmed[502],parfp,3);
301   // positioning 2 Graphite Layers on FSTR volume
302   posfp[1] = -khstripy*0.5+khhony+khpcby+khmyly+parfp[1];
303   gMC->Gspos("FGRP",1,"FSTR",0., posfp[1],0.,0,"ONLY");
304   gMC->Gspos("FGRP",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
305   // adding further 2 Graphite Layers on FSTR volume
306   posfp[1] = khpcby*0.5+khmyly+parfp[1];
307   gMC->Gspos("FGRP",3,"FSTR",0., posfp[1],0.,0,"ONLY");
308   gMC->Gspos("FGRP",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
309   
310   
311   //-- Glass (EXT. +Semi INT.) Layer definition
312   parfp[1] = khglasseiy*0.5;
313   gMC->Gsvolu("FGLA","BOX",idtmed[514],parfp,3);
314   // positioning 2 Glass Layers on FSTR volume
315   posfp[1] = -khstripy*0.5+khhony+khpcby+khmyly+khgraphy+parfp[1];
316   gMC->Gspos("FGLA",1,"FSTR",0., posfp[1],0.,0,"ONLY");
317   gMC->Gspos("FGLA",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
318   // adding further 2 Glass Layers on FSTR volume
319   posfp[1] = khpcby*0.5+khmyly+khgraphy+parfp[1];
320   gMC->Gspos("FGLA",3,"FSTR",0., posfp[1],0.,0,"ONLY");
321   gMC->Gspos("FGLA",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
322   
323   
324   //-- Sensitive Mixture Layer definition
325   parfp[0] = klsensmx*0.5;
326   parfp[1] = khsensmy*0.5;
327   parfp[2] = kwsensmz*0.5;
328   gMC->Gsvolu("FSEN","BOX",idtmed[513],parfp,3);
329   gMC->Gsvolu("FNSE","BOX",idtmed[512],parfp,3);
330   // positioning 2 gas Layers on FSTR volume
331   // the upper is insensitive freon
332   // while the remaining is sensitive
333   posfp[1] = khpcby*0.5+khmyly+khgraphy+khglasseiy+parfp[1];
334   gMC->Gspos("FNSE",0,"FSTR", 0., posfp[1],0.,0,"ONLY");
335   gMC->Gspos("FSEN",0,"FSTR", 0.,-posfp[1],0.,0,"ONLY");
336   
337   // dividing FSEN along z in knz=2 and along x in knx=48
338   gMC->Gsdvn("FSEZ","FSEN",knz,3);
339   gMC->Gsdvn("FSEX","FSEZ",knx,1);
340   
341   // FPAD volume definition
342   parfp[0] = klpadx*0.5;   
343   parfp[1] = khsensmy*0.5;
344   parfp[2] = kwpadz*0.5;
345   gMC->Gsvolu("FPAD","BOX",idtmed[513],parfp,3);
346   // positioning the FPAD volumes on previous divisions
347   gMC->Gspos("FPAD",0,"FSEX",0.,0.,0.,0,"ONLY");
348   
349   ////  Positioning the Strips  (FSTR) in the FLT volumes  /////
350   
351   // Plate A (Central) 
352   
353   Float_t t = zFLTC+zFLTB+zFLTA*0.5+ 2*db;//Half Width of Barrel
354   
355   Float_t gap  = fGapA+0.5; //cm  updated distance between the strip axis
356   Float_t zpos = 0;
357   Float_t ang  = 0;
358   Int_t j=1; // AdC
359   nrot  = 0;
360   zcoor = 0;
361   ycoor = -14.5 + kspace ; //2 cm over front plate
362
363   AliMatrix (idrotm[0],  90.,  0.,90.,90.,0., 90.);  
364
365   Int_t centerLoc= (Int_t)(fNStripA/2.) + 1; // AdC
366
367   //gMC->Gspos("FSTR",j,"FLTA",0.,ycoor, 0.,idrotm[0],"ONLY");
368   gMC->Gspos("FSTR",centerLoc,"FLTA",0.,ycoor, 0.,idrotm[0],"ONLY"); // AdC
369   if(fDebug>=1) {
370     printf("%s: %f,  St. %2i, Pl.3 ",ClassName(),ang*kRaddeg,j); // AdC
371     printf("y = %f,  z = %f, zpos = %f \n",ycoor,zcoor,zpos);
372   }
373   zcoor -= zSenStrip;
374   //j++; // AdC
375   Int_t upDown = -1; // upDown=-1 -> Upper strip
376                      // upDown=+1 -> Lower strip
377   do{
378      ang = atan(zcoor/radius);
379      ang *= kRaddeg;
380      AliMatrix (idrotm[nrot],  90.,  0.,90.-ang,90.,-ang, 90.);  
381      AliMatrix (idrotm[nrot+1],90.,180.,90.+ang,90., ang, 90.);
382      ang /= kRaddeg;
383      ycoor = -14.5+ kspace; //2 cm over front plate
384      ycoor += (1-(upDown+1)/2)*gap;
385      //gMC->Gspos("FSTR",j  ,"FLTA",0.,ycoor, zcoor,idrotm[nrot],  "ONLY");
386      //gMC->Gspos("FSTR",j+1,"FLTA",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY");
387      gMC->Gspos("FSTR",centerLoc-j,"FLTA",0.,ycoor, zcoor,idrotm[nrot],  "ONLY"); // AdC
388      gMC->Gspos("FSTR",centerLoc+j,"FLTA",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY"); // AdC
389      if(fDebug>=1) {
390        printf("%s: %f,  St. %2i, Pl.3 ",ClassName(),ang*kRaddeg,j); // AdC
391        printf("y = %f,  z = %f, zpos = %f \n",ycoor,zcoor,zpos);
392      }
393      j++; //j += 2; // AdC
394      upDown*= -1; // Alternate strips 
395      zcoor = zcoor-(zSenStrip/2)/TMath::Cos(ang)-
396              upDown*gap*TMath::Tan(ang)-
397              (zSenStrip/2)/TMath::Cos(ang);
398   } while (zcoor-(stripWidth/2)*TMath::Cos(ang)>-t+zFLTC+zFLTB+db*2);
399   
400   zcoor = zcoor+(zSenStrip/2)/TMath::Cos(ang)+
401           upDown*gap*TMath::Tan(ang)+
402           (zSenStrip/2)/TMath::Cos(ang);
403
404   gap = fGapB;
405   zcoor = zcoor-(zSenStrip/2)/TMath::Cos(ang)-
406           upDown*gap*TMath::Tan(ang)-
407           (zSenStrip/2)/TMath::Cos(ang);
408
409   ang = atan(zcoor/radius);
410   ang *= kRaddeg;
411   AliMatrix (idrotm[nrot],  90.,  0.,90.-ang,90.,-ang, 90.);  
412   AliMatrix (idrotm[nrot+1],90.,180.,90.+ang,90., ang, 90.);
413   ang /= kRaddeg;
414           
415   ycoor = -14.5+ kspace; //2 cm over front plate
416   ycoor += (1-(upDown+1)/2)*gap;
417   //gMC->Gspos("FSTR",j  ,"FLTA",0.,ycoor, zcoor,idrotm[nrot],  "ONLY");
418   //gMC->Gspos("FSTR",j+1,"FLTA",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY");
419   gMC->Gspos("FSTR",centerLoc-j,"FLTA",0.,ycoor, zcoor,idrotm[nrot],  "ONLY"); // AdC
420   gMC->Gspos("FSTR",centerLoc+j,"FLTA",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY"); // AdC
421   if(fDebug>=1) {   
422     printf("%s: %f,  St. %2i, Pl.3 ",ClassName(),ang*kRaddeg,j); // AdC
423     printf("y = %f,  z = %f, zpos = %f \n",ycoor,zcoor,zpos);
424   }   
425   ycoor = -hTof/2.+ kspace;//2 cm over front plate
426
427   // Plate  B
428
429   nrot = 0;
430   Int_t i=1; // AdC
431   upDown = 1;
432   Float_t deadRegion = 1.0;//cm
433   
434   zpos = zcoor - (zSenStrip/2)/TMath::Cos(ang)-
435          upDown*gap*TMath::Tan(ang)-
436          (zSenStrip/2)/TMath::Cos(ang)-
437          deadRegion/TMath::Cos(ang);
438
439   ang = atan(zpos/radius);
440   ang *= kRaddeg;
441   AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
442   ang /= kRaddeg;
443   ycoor = -hTof*0.5+ kspace ; //2 cm over front plate
444   ycoor += (1-(upDown+1)/2)*gap;
445   zcoor = zpos+(zFLTA*0.5+zFLTB*0.5+db); // Moves to the system of the modulus FLTB
446   gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
447   if(fDebug>=1) {   
448      printf("%s: %f,  St. %2i, Pl.4 ",ClassName(),ang*kRaddeg,i); 
449      printf("y = %f,  z = %f, zpos = %f \n",ycoor,zcoor,zpos);
450   }   
451   i++;
452   upDown*=-1;
453
454   do {
455      zpos = zpos - (zSenStrip/2)/TMath::Cos(ang)-
456             upDown*gap*TMath::Tan(ang)-
457             (zSenStrip/2)/TMath::Cos(ang);
458      ang = atan(zpos/radius);
459      ang *= kRaddeg;
460      AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
461      ang /= kRaddeg;
462      Float_t deltaSpaceinB=-0.5; // [cm] to avoid overlaps with the end of freon frame
463      Float_t deltaGapinB=0.5;    // [cm] to avoid overlaps in between initial strips
464      ycoor = -hTof*0.5+ kspace+deltaSpaceinB ; //2 cm over front plate
465      ycoor += (1-(upDown+1)/2)*(gap+deltaGapinB);
466      zcoor = zpos+(zFLTA*0.5+zFLTB*0.5+db); // Moves to the system of the modulus FLTB
467      gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
468      if(fDebug>=1) {
469         printf("%s: %f,  St. %2i, Pl.4 ",ClassName(),ang*kRaddeg,i);
470         printf("y = %f,  z = %f, zpos = %f \n",ycoor,zcoor,zpos);
471      }
472      upDown*=-1;
473      i++;
474   } while (TMath::Abs(ang*kRaddeg)<22.5);
475   //till we reach a tilting angle of 22.5 degrees
476
477   ycoor = -hTof*0.5+ kspace ; //2 cm over front plate
478   zpos = zpos - zSenStrip/TMath::Cos(ang);
479   // this avoid overlaps in between outer strips in plate B
480   Float_t deltaMovingUp=0.8;    // [cm]
481   Float_t deltaMovingDown=-0.5; // [cm]
482
483   do {
484      ang = atan(zpos/radius);
485      ang *= kRaddeg;
486      AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
487      ang /= kRaddeg;
488      zcoor = zpos+(zFLTB/2+zFLTA/2+db);
489      gMC->Gspos("FSTR",i, "FLTB", 0., ycoor+deltaMovingDown+deltaMovingUp, zcoor,idrotm[nrot], "ONLY");
490      deltaMovingUp+=0.8; // update delta moving toward the end of the plate
491      zpos = zpos - zSenStrip/TMath::Cos(ang);
492      if(fDebug>=1) {
493        printf("%s: %f,  St. %2i, Pl.4 ",ClassName(),ang*kRaddeg,i);
494        printf("y = %f,  z = %f, zpos = %f \n",ycoor,zcoor,zpos);
495      }
496      i++;
497
498   }  while (zpos-stripWidth*0.5/TMath::Cos(ang)>-t+zFLTC+db);
499
500   // Plate  C
501   
502   zpos = zpos + zSenStrip/TMath::Cos(ang);
503
504   zpos = zpos - (zSenStrip/2)/TMath::Cos(ang)+
505          gap*TMath::Tan(ang)-
506          (zSenStrip/2)/TMath::Cos(ang);
507
508   nrot = 0;
509   i=0;
510   Float_t deltaGap=-2.5; // [cm] update distance from strip center and plate
511   ycoor= -hTof*0.5+kspace+gap+deltaGap;
512
513   do {
514      i++;
515      ang = atan(zpos/radius);
516      ang *= kRaddeg;
517      AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
518      ang /= kRaddeg;
519      zcoor = zpos+(zFLTC*0.5+zFLTB+zFLTA*0.5+db*2);
520      gMC->Gspos("FSTR",i, "FLTC", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
521      if(fDebug>=1) {
522        printf("%s: %f,  St. %2i, Pl.5 ",ClassName(),ang*kRaddeg,i);
523        printf("y = %f,  z = %f, zpos = %f \n",ycoor,zcoor,zpos);
524      }
525      zpos = zpos - zSenStrip/TMath::Cos(ang);
526   }  while (zpos-stripWidth*TMath::Cos(ang)*0.5>-t);
527
528  
529   ////////// Layers after strips /////////////////
530   // Al Layer thickness (2.3mm) factor 0.7
531   
532   Float_t overSpace = fOverSpc;//cm
533   
534   par[0] = xFLT*0.5;
535   par[1] = 0.115*0.7; // factor 0.7
536   par[2] = (zFLTA *0.5);
537   ycoor = -yFLT/2 + overSpace + par[1];
538   gMC->Gsvolu("FPEA", "BOX ", idtmed[508], par, 3); // Al
539   gMC->Gspos ("FPEA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
540   par[2] = (zFLTB *0.5);
541   gMC->Gsvolu("FPEB", "BOX ", idtmed[508], par, 3); // Al
542   gMC->Gspos ("FPEB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
543   par[2] = (zFLTC *0.5);
544   gMC->Gsvolu("FPEC", "BOX ", idtmed[508], par, 3); // Al
545   gMC->Gspos ("FPEC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
546
547
548   // plexiglass thickness: 1.5 mm ; factor 0.3
549   ycoor += par[1];
550   par[0] = xFLT*0.5;
551   par[1] = 0.075*0.3; // factor 0.3 
552   par[2] = (zFLTA *0.5);
553   ycoor += par[1];
554   gMC->Gsvolu("FECA", "BOX ", idtmed[505], par, 3); // Plexigl.
555   gMC->Gspos ("FECA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
556   par[2] = (zFLTB *0.5);
557   gMC->Gsvolu("FECB", "BOX ", idtmed[505], par, 3); // Plexigl.
558   gMC->Gspos ("FECB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
559   par[2] = (zFLTC *0.5);
560   gMC->Gsvolu("FECC", "BOX ", idtmed[505], par, 3); // Plexigl.
561   gMC->Gspos ("FECC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
562   
563   // frame of Air
564   ycoor += par[1];
565   par[0] = xFLT*0.5;
566   par[1] = (yFLT/2-ycoor-khAlWall)*0.5; // Aluminum layer considered (0.18 cm)
567   par[2] = (zFLTA *0.5);
568   ycoor += par[1];
569   gMC->Gsvolu("FAIA", "BOX ", idtmed[500], par, 3); // Air
570   gMC->Gspos ("FAIA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
571   par[2] = (zFLTB *0.5);
572   gMC->Gsvolu("FAIB", "BOX ", idtmed[500], par, 3); // Air
573   gMC->Gspos ("FAIB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
574   par[2] = (zFLTC *0.5);
575   gMC->Gsvolu("FAIC", "BOX ", idtmed[500], par, 3); // Air
576   gMC->Gspos ("FAIC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
577
578   
579   // start with cards and cooling tubes
580   // finally, cards, cooling tubes and layer for thermal dispersion
581   // 3 volumes
582   // card volume definition
583   
584   // see GEOM200 in GEANT manual
585   AliMatrix(idrotm[98], 90., 0., 90., 90., 0., 0.); // 0 deg
586   
587   Float_t cardpar[3];
588   cardpar[0]= 61.;
589   cardpar[1]= 5.;
590   cardpar[2]= 0.1;
591   gMC->Gsvolu("FCAR", "BOX ", idtmed[504], cardpar, 3); // PCB Card 
592   //alu plate volume definition
593   cardpar[1]= 3.5;
594   cardpar[2]= 0.05;
595   gMC->Gsvolu("FALP", "BOX ", idtmed[508], cardpar, 3); // Alu Plate
596   
597   
598   // central module positioning (FAIA)
599   Float_t cardpos[3], aplpos2, stepforcardA=6.625;
600   cardpos[0]= 0.;
601   cardpos[1]= -0.5;
602   cardpos[2]= -53.;
603   Float_t aplpos1 = -2.;
604   Int_t icard;
605   for (icard=0; icard<15; ++icard) {
606     cardpos[2]= cardpos[2]+stepforcardA;
607     aplpos2 = cardpos[2]+0.15;
608     gMC->Gspos("FCAR",icard,"FAIA",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY");
609     gMC->Gspos("FALP",icard,"FAIA",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
610     
611   }
612   
613   
614   // intermediate module positioning (FAIB)
615   Float_t stepforcardB= 7.05;
616   cardpos[2]= -70.5;
617   for (icard=0; icard<19; ++icard) {
618     cardpos[2]= cardpos[2]+stepforcardB;
619     aplpos2 = cardpos[2]+0.15; 
620     gMC->Gspos("FCAR",icard,"FAIB",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY");
621     gMC->Gspos("FALP",icard,"FAIB",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
622   }
623   
624   
625   // outer module positioning (FAIC)
626   Float_t stepforcardC= 8.45238;
627   cardpos[2]= -88.75;
628   for (icard=0; icard<20; ++icard) {
629     cardpos[2]= cardpos[2]+stepforcardC;
630     aplpos2 = cardpos[2]+0.15;
631     gMC->Gspos("FCAR",icard,"FAIC",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY");
632     gMC->Gspos("FALP",icard,"FAIC",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
633   }
634   
635   // tube volume definition
636   Float_t tubepar[3];
637   tubepar[0]= 0.;
638   tubepar[1]= 0.4;
639   tubepar[2]= 61.;
640   gMC->Gsvolu("FTUB", "TUBE", idtmed[516], tubepar, 3); // cooling tubes (steel)
641   tubepar[0]= 0.;
642   tubepar[1]= 0.35;
643   tubepar[2]= 61.;
644   gMC->Gsvolu("FITU", "TUBE", idtmed[515], tubepar, 3); // cooling water
645   // positioning water tube into the steel one
646   gMC->Gspos("FITU",1,"FTUB",0.,0.,0.,0,"ONLY");
647   
648   
649   // rotation matrix
650   AliMatrix(idrotm[99], 180., 90., 90., 90., 90., 0.);
651   // central module positioning (FAIA)
652   Float_t tubepos[3], tdis=0.6;
653   tubepos[0]= 0.;
654   tubepos[1]= cardpos[1];
655   tubepos[2]= -53.+tdis;
656   //  tub1pos = 5.;
657   Int_t itub;
658   for (itub=0; itub<15; ++itub) {
659     tubepos[2]= tubepos[2]+stepforcardA;
660     gMC->Gspos("FTUB",itub,"FAIA",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
661                "ONLY");
662   }
663   
664   
665   // intermediate module positioning (FAIB)
666   tubepos[2]= -70.5+tdis;
667   for (itub=0; itub<19; ++itub) {
668     tubepos[2]= tubepos[2]+stepforcardB;
669     gMC->Gspos("FTUB",itub,"FAIB",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
670                "ONLY");
671   }
672   
673   // outer module positioning (FAIC)
674   tubepos[2]= -88.75+tdis;
675   for (itub=0; itub<20; ++itub) {
676     tubepos[2]= tubepos[2]+stepforcardC;
677     gMC->Gspos("FTUB",itub,"FAIC",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
678                "ONLY");
679   }
680   
681 }
682
683 //_____________________________________________________________________________
684 void AliTOFv4::DrawModule() const
685 {
686   //
687   // Draw a shaded view of the Time Of Flight version 4
688   //
689   // Set everything unseen
690   gMC->Gsatt("*", "seen", -1);
691   // 
692   // Set ALIC mother transparent
693   gMC->Gsatt("ALIC","SEEN",0);
694   //
695   // Set the volumes visible
696   gMC->Gsatt("ALIC","SEEN",0);
697
698   gMC->Gsatt("FTOA","SEEN",1);
699   gMC->Gsatt("FTOB","SEEN",1);
700   gMC->Gsatt("FTOC","SEEN",1);
701   gMC->Gsatt("FLTA","SEEN",1);
702   gMC->Gsatt("FLTB","SEEN",1);
703   gMC->Gsatt("FLTC","SEEN",1);
704   gMC->Gsatt("FPLA","SEEN",1);
705   gMC->Gsatt("FPLB","SEEN",1);
706   gMC->Gsatt("FPLC","SEEN",1);
707   gMC->Gsatt("FSTR","SEEN",1);
708   gMC->Gsatt("FPEA","SEEN",1);
709   gMC->Gsatt("FPEB","SEEN",1);
710   gMC->Gsatt("FPEC","SEEN",1);
711   
712   gMC->Gsatt("FLZ1","SEEN",0);
713   gMC->Gsatt("FLZ2","SEEN",0);
714   gMC->Gsatt("FLZ3","SEEN",0);
715   gMC->Gsatt("FLX1","SEEN",0);
716   gMC->Gsatt("FLX2","SEEN",0);
717   gMC->Gsatt("FLX3","SEEN",0);
718   gMC->Gsatt("FPAD","SEEN",0);
719
720   gMC->Gdopt("hide", "on");
721   gMC->Gdopt("shad", "on");
722   gMC->Gsatt("*", "fill", 7);
723   gMC->SetClipBox(".");
724   gMC->SetClipBox("*", 0, 1000, -1000, 1000, -1000, 1000);
725   gMC->DefaultRange();
726   gMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .02, .02);
727   gMC->Gdhead(1111, "Time Of Flight");
728   gMC->Gdman(18, 4, "MAN");
729   gMC->Gdopt("hide","off");
730 }
731 //_____________________________________________________________________________
732 void AliTOFv4::DrawDetectorModules()
733 {
734 //
735 // Draw a shaded view of the TOF detector version 4
736 //
737  
738  
739 //Set ALIC mother transparent
740  gMC->Gsatt("ALIC","SEEN",0);
741
742 //
743 //Set volumes visible
744 // 
745 //=====> Level 1
746   // Level 1 for TOF volumes
747   gMC->Gsatt("B077","seen",0);
748  
749  
750 //==========> Level 2
751   // Level 2
752   gMC->Gsatt("B076","seen",-1); // all B076 sub-levels skipped -
753   gMC->Gsatt("B071","seen",0);
754   gMC->Gsatt("B074","seen",0);
755   gMC->Gsatt("B075","seen",0);
756   gMC->Gsatt("B080","seen",0); // B080 does not has sub-level                
757
758
759   // Level 2 of B071
760   gMC->Gsatt("B063","seen",-1); // all B063 sub-levels skipped   -
761   gMC->Gsatt("B065","seen",-1); // all B065 sub-levels skipped   -
762   gMC->Gsatt("B067","seen",-1); // all B067 sub-levels skipped   -
763   gMC->Gsatt("B069","seen",-1); // all B069 sub-levels skipped   -
764   gMC->Gsatt("B056","seen",0);  // B056 does not has sub-levels  -
765   gMC->Gsatt("B059","seen",-1); // all B059 sub-levels skipped   -
766   gMC->Gsatt("B072","seen",-1); // all B072 sub-levels skipped   -
767   gMC->Gsatt("BTR1","seen",0);  // BTR1 do not have sub-levels   -
768   gMC->Gsatt("BTO1","seen",0);
769
770  
771   // Level 2 of B074
772   gMC->Gsatt("BTR2","seen",0); // BTR2 does not has sub-levels -
773   gMC->Gsatt("BTO2","seen",0);
774
775   // Level 2 of B075
776   gMC->Gsatt("BTR3","seen",0); // BTR3 do not have sub-levels -
777   gMC->Gsatt("BTO3","seen",0);
778
779 // ==================> Level 3
780   // Level 3 of B071 / Level 2 of BTO1
781   gMC->Gsatt("FTOC","seen",-2);
782   gMC->Gsatt("FTOB","seen",-2);
783   gMC->Gsatt("FTOA","seen",-2);
784  
785   // Level 3 of B074 / Level 2 of BTO2
786   // -> cfr previous settings
787  
788   // Level 3 of B075 / Level 2 of BTO3
789   // -> cfr previous settings
790
791   gMC->Gdopt("hide","on");
792   gMC->Gdopt("shad","on");
793   gMC->Gsatt("*", "fill", 5);
794   gMC->SetClipBox(".");
795   gMC->SetClipBox("*", 0, 1000, 0, 1000, 0, 1000);
796   gMC->DefaultRange();
797   gMC->Gdraw("alic", 45, 40, 0, 10, 10, .015, .015);
798   gMC->Gdhead(1111,"TOF detector V1");
799   gMC->Gdman(18, 4, "MAN");
800   gMC->Gdopt("hide","off");
801 }                                 
802
803 //_____________________________________________________________________________
804 void AliTOFv4::DrawDetectorStrips()
805 {
806 //
807 // Draw a shaded view of the TOF strips for version 4
808 //
809  
810 //Set ALIC mother transparent
811  gMC->Gsatt("ALIC","SEEN",0);
812
813 //
814 //Set volumes visible 
815 //=====> Level 1
816   // Level 1 for TOF volumes
817   gMC->Gsatt("B077","seen",0);
818   
819 //==========> Level 2
820   // Level 2
821   gMC->Gsatt("B076","seen",-1); // all B076 sub-levels skipped -
822   gMC->Gsatt("B071","seen",0);
823   gMC->Gsatt("B074","seen",0);
824   gMC->Gsatt("B075","seen",0);
825   gMC->Gsatt("B080","seen",0); // B080 does not has sub-level
826
827   // Level 2 of B071
828   gMC->Gsatt("B063","seen",-1); // all B063 sub-levels skipped   -
829   gMC->Gsatt("B065","seen",-1); // all B065 sub-levels skipped   -
830   gMC->Gsatt("B067","seen",-1); // all B067 sub-levels skipped   -
831   gMC->Gsatt("B069","seen",-1); // all B069 sub-levels skipped   -
832   gMC->Gsatt("B056","seen",0);  // B056 does not has sub-levels  -
833   gMC->Gsatt("B059","seen",-1); // all B059 sub-levels skipped   -
834   gMC->Gsatt("B072","seen",-1); // all B072 sub-levels skipped   -
835   gMC->Gsatt("BTR1","seen",0);  // BTR1 do not have sub-levels   -
836   gMC->Gsatt("BTO1","seen",0);
837
838 // ==================> Level 3
839   // Level 3 of B071 / Level 2 of BTO1
840   gMC->Gsatt("FTOC","seen",0);
841   gMC->Gsatt("FTOB","seen",0);
842   gMC->Gsatt("FTOA","seen",0);
843  
844   // Level 3 of B074 / Level 2 of BTO2
845   // -> cfr previous settings
846  
847   // Level 3 of B075 / Level 2 of BTO3
848   // -> cfr previous settings
849
850
851 // ==========================> Level 4
852   // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOC
853   gMC->Gsatt("FLTC","seen",0);
854   // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOB
855   gMC->Gsatt("FLTB","seen",0);
856   // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOA
857   gMC->Gsatt("FLTA","seen",0);
858  
859   // Level 4 of B074 / Level 3 of BTO2 / Level 2 of FTOC
860   // -> cfr previous settings
861   // Level 4 of B074 / Level 3 of BTO2 / Level 2 of FTOB
862   // -> cfr previous settings
863  
864   // Level 4 of B075 / Level 3 of BTO3 / Level 2 of FTOC
865   // -> cfr previous settings
866
867 //======================================> Level 5
868   // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOC / Level 2 of FLTC
869   gMC->Gsatt("FALC","seen",0); // no children for FALC
870   gMC->Gsatt("FSTR","seen",-2);
871   gMC->Gsatt("FPEC","seen",0); // no children for FPEC
872   gMC->Gsatt("FECC","seen",0); // no children for FECC
873   gMC->Gsatt("FWAC","seen",0); // no children for FWAC
874   gMC->Gsatt("FAIC","seen",0); // no children for FAIC
875
876   // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOB / Level 2 of FLTB
877   gMC->Gsatt("FALB","seen",0); // no children for FALB
878 //-->  gMC->Gsatt("FSTR","seen",-2);
879
880
881   // -> cfr previous settings
882   gMC->Gsatt("FPEB","seen",0); // no children for FPEB
883   gMC->Gsatt("FECB","seen",0); // no children for FECB
884   gMC->Gsatt("FWAB","seen",0); // no children for FWAB
885   gMC->Gsatt("FAIB","seen",0); // no children for FAIB
886  
887   // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOA / Level 2 of FLTA
888   gMC->Gsatt("FALA","seen",0); // no children for FALB
889 //-->  gMC->Gsatt("FSTR","seen",-2);
890   // -> cfr previous settings
891   gMC->Gsatt("FPEA","seen",0); // no children for FPEA
892   gMC->Gsatt("FECA","seen",0); // no children for FECA
893   gMC->Gsatt("FWAA","seen",0); // no children for FWAA
894   gMC->Gsatt("FAIA","seen",0); // no children for FAIA
895
896   // Level 2 of B074
897   gMC->Gsatt("BTR2","seen",0); // BTR2 does not has sub-levels -
898   gMC->Gsatt("BTO2","seen",0);
899
900   // Level 2 of B075
901   gMC->Gsatt("BTR3","seen",0); // BTR3 do not have sub-levels -
902   gMC->Gsatt("BTO3","seen",0);
903
904 // for others Level 5, cfr. previous settings
905
906   gMC->Gdopt("hide","on");
907   gMC->Gdopt("shad","on");
908   gMC->Gsatt("*", "fill", 5);
909   gMC->SetClipBox(".");
910   gMC->SetClipBox("*", 0, 1000, 0, 1000, 0, 1000);
911   gMC->DefaultRange();
912   gMC->Gdraw("alic", 45, 40, 0, 10, 10, .015, .015);
913   gMC->Gdhead(1111,"TOF Strips V1");
914   gMC->Gdman(18, 4, "MAN");
915   gMC->Gdopt("hide","off");
916 }
917
918 //_____________________________________________________________________________
919 void AliTOFv4::CreateMaterials()
920 {
921   //
922   // Define materials for the Time Of Flight
923   //
924   AliTOF::CreateMaterials();
925 }
926  
927 //_____________________________________________________________________________
928 void AliTOFv4::Init()
929 {
930   //
931   // Initialise the detector after the geometry has been defined
932   //
933   if(fDebug) {   
934     printf("%s: **************************************"
935            "  TOF  "
936            "**************************************\n",ClassName());
937     printf("\n%s:   Version 4 of TOF initialing, "
938                 "symmetric TOF - Full Coverage version\n",ClassName());
939   }
940
941   AliTOF::Init();
942
943   fIdFTOA = gMC->VolId("FTOA");
944   fIdFTOB = gMC->VolId("FTOB");
945   fIdFTOC = gMC->VolId("FTOC");
946   fIdFLTA = gMC->VolId("FLTA");
947   fIdFLTB = gMC->VolId("FLTB");
948   fIdFLTC = gMC->VolId("FLTC");
949
950   if(fDebug) {   
951     printf("%s: **************************************"
952            "  TOF  "
953            "**************************************\n",ClassName());
954   }
955 }
956  
957 //_____________________________________________________________________________
958 void AliTOFv4::StepManager()
959 {
960   //
961   // Procedure called at each step in the Time Of Flight
962   //
963   TLorentzVector mom, pos;
964   Float_t xm[3],pm[3],xpad[3],ppad[3];
965   Float_t hits[13],phi,phid,z;
966   Int_t   vol[5];
967   Int_t   sector, plate, padx, padz, strip;
968   Int_t   copy, padzid, padxid, stripid, i;
969   Int_t   *idtmed = fIdtmed->GetArray()-499;
970   Float_t incidenceAngle;
971   
972   if(gMC->CurrentMedium()==idtmed[513] && 
973      gMC->IsTrackEntering() && gMC->TrackCharge()
974      && gMC->CurrentVolID(copy)==fIdSens) 
975   {    
976     // getting information about hit volumes
977     
978     padzid=gMC->CurrentVolOffID(2,copy);
979     padz=copy; 
980     
981     padxid=gMC->CurrentVolOffID(1,copy);
982     padx=copy; 
983     
984     stripid=gMC->CurrentVolOffID(4,copy);
985     strip=copy; 
986
987     gMC->TrackPosition(pos);
988     gMC->TrackMomentum(mom);
989
990 //    Double_t NormPos=1./pos.Rho();
991     Double_t normMom=1./mom.Rho();
992
993 //  getting the cohordinates in pad ref system
994     xm[0] = (Float_t)pos.X();
995     xm[1] = (Float_t)pos.Y();
996     xm[2] = (Float_t)pos.Z();
997
998     pm[0] = (Float_t)mom.X()*normMom;
999     pm[1] = (Float_t)mom.Y()*normMom;
1000     pm[2] = (Float_t)mom.Z()*normMom;
1001  
1002     gMC->Gmtod(xm,xpad,1);
1003     gMC->Gmtod(pm,ppad,2);
1004
1005     incidenceAngle = TMath::ACos(ppad[1])*kRaddeg;
1006
1007     z = pos[2];
1008
1009     plate = 0;  
1010     if (TMath::Abs(z) <=  fZlenA*0.5)  plate = 2; //3; // AdC
1011     if (z < (fZlenA*0.5+fZlenB) && 
1012         z >  fZlenA*0.5)               plate = 1; //4; // AdC
1013     if (z >-(fZlenA*0.5+fZlenB) &&
1014         z < -fZlenA*0.5)               plate = 3; //2; // AdC
1015     if (z > (fZlenA*0.5+fZlenB))       plate = 0; //5; // AdC
1016     if (z <-(fZlenA*0.5+fZlenB))       plate = 4; //1; // AdC
1017
1018     if (plate==0) strip=AliTOFConstants::fgkNStripC-strip; // AdC
1019     else if (plate==1) strip=AliTOFConstants::fgkNStripB-strip; // AdC
1020     else strip--; // AdC
1021
1022     if (z<=0.) padx=AliTOFConstants::fgkNpadX-padx; // AdC
1023     else padx--; // AdC
1024
1025     if (plate==3 || plate==4) padz=AliTOFConstants::fgkNpadZ-padz; // AdC
1026     else padz--; // AdC
1027
1028     phi = pos.Phi();
1029     if (phi>=0.) phid = phi*kRaddeg; //+180.; // AdC
1030     else phid = phi*kRaddeg + 360.; // AdC
1031     sector = Int_t (phid/20.); // AdC
1032     //sector++; // AdC
1033
1034     for(i=0;i<3;++i) {
1035       hits[i]   = pos[i];
1036       hits[i+3] = pm[i];
1037     }
1038
1039     hits[6] = mom.Rho();
1040     hits[7] = pos[3];
1041     hits[8] = xpad[0];
1042     hits[9] = xpad[1];
1043     hits[10]= xpad[2];
1044     hits[11]= incidenceAngle;
1045     hits[12]= gMC->Edep();
1046     
1047     vol[0]= sector;
1048     vol[1]= plate;
1049     vol[2]= strip;
1050     vol[3]= padx;
1051     vol[4]= padz;
1052     
1053     AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(),vol, hits);
1054   }
1055 }