8949562728e7731deceeaa7c0fb1de1e34432896
[u/mrichter/AliRoot.git] / TOF / AliTOFv4T0.cxx
1 /**************************************************************************
2  * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
3  *                                                                        *
4  * Author: The ALICE Off-line Project.                                    *
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11  * appear in the supporting documentation. The authors make no claims     *
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14  **************************************************************************/
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 +OPTION for PHOS holes                            //
26 //                                                                           //
27 //   Author:                                                                 //
28 //   Fabrizio Pierella                                                       //
29 //   University of Bologna - Italy                                           //
30 //                                                                           //
31 //                                                                           //
32 //Begin_Html                                                                 //
33 /*                                                                           //
34 <img src="picts/AliTOFv4T0Class.gif">                                        //
35 */                                                                           //
36 //End_Html                                                                   //
37 //                                                                           //
38 ///////////////////////////////////////////////////////////////////////////////
39
40 #include <Riostream.h>
41 #include <stdlib.h>
42 #include "TVirtualMC.h"
43
44 #include <TBRIK.h>
45 #include <TGeometry.h>
46 #include <TLorentzVector.h>
47 #include <TNode.h>
48 #include <TObject.h>
49 #include <TVirtualMC.h>
50
51 #include "AliLog.h"
52 #include "AliConst.h"
53 #include "AliRun.h"
54 #include "AliTOFv4T0.h"
55 #include "AliTOFGeometry.h"
56 #include "AliMC.h"
57  
58 ClassImp(AliTOFv4T0)
59  
60 //_____________________________________________________________________________
61 AliTOFv4T0::AliTOFv4T0()
62 {
63   //
64   // Default constructor
65   //
66 }
67  
68 //_____________________________________________________________________________
69 AliTOFv4T0::AliTOFv4T0(const char *name, const char *title)
70         : AliTOF(name,title,"tzero")
71 {
72   //
73   // Standard constructor
74   //
75   //
76   // Check that FRAME is there otherwise we have no place where to
77   // put TOF
78
79
80   AliModule* frame=gAlice->GetModule("FRAME");
81   if(!frame) {
82     AliFatal("TOF needs FRAME to be present");
83   } else{
84     
85     if (fTOFGeometry) delete fTOFGeometry;
86     fTOFGeometry = new AliTOFGeometry();
87
88     if(frame->IsVersion()==1) {
89       AliInfo(Form("Frame version %d", frame->IsVersion())); 
90       AliInfo("Full Coverage for TOF");
91       fTOFHoles=false;}    
92     else {
93       AliInfo(Form("Frame version %d", frame->IsVersion())); 
94       AliInfo("TOF with Holes for PHOS");
95       fTOFHoles=true;}      
96   }
97   fTOFGeometry->SetHoles(fTOFHoles);
98
99
100 //____________________________________________________________________________
101 void AliTOFv4T0::BuildGeometry()
102 {
103   //
104   // Build TOF ROOT geometry for the ALICE event display
105   //
106   TNode *node, *top;
107   const int kColorTOF  = 27;
108   
109   // Find top TNODE
110   top = gAlice->GetGeometry()->GetNode("alice");
111   
112   // Position the different copies
113   const Float_t krTof  =(AliTOFGeometry::Rmax()+AliTOFGeometry::Rmin())/2;
114   const Float_t khTof  = AliTOFGeometry::Rmax()-AliTOFGeometry::Rmin();
115   const Int_t   kNTof  = AliTOFGeometry::NSectors();
116   const Float_t kPi    = TMath::Pi();
117   const Float_t kangle = 2*kPi/kNTof;
118   Float_t ang;
119   
120   // define offset for nodes
121   Float_t zOffsetC = AliTOFGeometry::MaxhZtof() - AliTOFGeometry::ZlenC()*0.5;
122   Float_t zOffsetB = AliTOFGeometry::MaxhZtof() - AliTOFGeometry::ZlenC() - AliTOFGeometry::ZlenB()*0.5;
123   Float_t zOffsetA = 0.;
124   // Define TOF basic volume
125   
126   char nodeName0[7], nodeName1[7], nodeName2[7];
127   char nodeName3[7], nodeName4[7], rotMatNum[7];
128   
129   new TBRIK("S_TOF_C","TOF box","void",
130             AliTOFGeometry::StripLength()*0.5,khTof*0.5,AliTOFGeometry::ZlenC()*0.5);
131   new TBRIK("S_TOF_B","TOF box","void",
132             AliTOFGeometry::StripLength()*0.5,khTof*0.5,AliTOFGeometry::ZlenB()*0.5);
133   new TBRIK("S_TOF_A","TOF box","void",
134             AliTOFGeometry::StripLength()*0.5,khTof*0.5,AliTOFGeometry::ZlenA()*0.5);
135   
136   for (Int_t nodeNum=1;nodeNum<19;nodeNum++){
137     
138     if (nodeNum<10) {
139       sprintf(rotMatNum,"rot50%i",nodeNum);
140       sprintf(nodeName0,"FTO00%i",nodeNum);
141       sprintf(nodeName1,"FTO10%i",nodeNum);
142       sprintf(nodeName2,"FTO20%i",nodeNum);
143       sprintf(nodeName3,"FTO30%i",nodeNum);
144       sprintf(nodeName4,"FTO40%i",nodeNum);
145     }
146     if (nodeNum>9) {
147       sprintf(rotMatNum,"rot5%i",nodeNum);
148       sprintf(nodeName0,"FTO0%i",nodeNum);
149       sprintf(nodeName1,"FTO1%i",nodeNum);
150       sprintf(nodeName2,"FTO2%i",nodeNum);
151       sprintf(nodeName3,"FTO3%i",nodeNum);
152       sprintf(nodeName4,"FTO4%i",nodeNum);
153     }
154     
155     new TRotMatrix(rotMatNum,rotMatNum,90,-20*nodeNum,90,90-20*nodeNum,0,0);
156     ang = (4.5-nodeNum) * kangle;
157
158     top->cd();
159     node = new TNode(nodeName0,nodeName0,"S_TOF_C",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),zOffsetC,rotMatNum);
160     node->SetLineColor(kColorTOF);
161     fNodes->Add(node);
162     
163     top->cd();
164     node = new TNode(nodeName1,nodeName1,"S_TOF_C",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),-zOffsetC,rotMatNum);
165     node->SetLineColor(kColorTOF);
166     fNodes->Add(node);
167     
168     top->cd();
169     node = new TNode(nodeName2,nodeName2,"S_TOF_B",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),zOffsetB,rotMatNum);
170     node->SetLineColor(kColorTOF);
171     fNodes->Add(node);
172     
173     top->cd();
174     node = new TNode(nodeName3,nodeName3,"S_TOF_B",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),-zOffsetB,rotMatNum);
175     node->SetLineColor(kColorTOF);
176     fNodes->Add(node);
177     
178     top->cd();
179     node = new TNode(nodeName4,nodeName4,"S_TOF_A",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),zOffsetA,rotMatNum);
180     node->SetLineColor(kColorTOF);
181     fNodes->Add(node);
182   } // end loop on nodeNum
183 }
184
185
186  
187 //_____________________________________________________________________________
188 void AliTOFv4T0::CreateGeometry()
189 {
190   //
191   // Create geometry for Time Of Flight version 0
192   //
193   //Begin_Html
194   /*
195     <img src="picts/AliTOFv4T0.gif">
196   */
197   //End_Html
198   //
199   // Creates common geometry
200   //
201   AliTOF::CreateGeometry();
202 }
203  
204
205 //_____________________________________________________________________________
206 void AliTOFv4T0::TOFpc(Float_t xtof, Float_t ytof, Float_t zlenC,
207                      Float_t zlenB, Float_t zlenA, Float_t ztof0)
208 {
209   //
210   // Definition of the Time Of Fligh Resistive Plate Chambers
211   // xFLT, yFLT, zFLT - sizes of TOF modules (large)
212   
213   Float_t  ycoor;
214   Float_t  par[3];
215   Int_t    *idtmed = fIdtmed->GetArray()-499;
216   Int_t    idrotm[100];
217   Int_t    nrot = 0;
218
219   Float_t radius = AliTOFGeometry::Rmin()+2.;//cm
220
221   
222   par[0] =  xtof * 0.5;
223   par[1] =  ytof * 0.5;
224   par[2] = zlenC * 0.5;
225   gMC->Gsvolu("FTOC", "BOX ", idtmed[506], par, 3);
226   par[2] = zlenB * 0.5;
227   gMC->Gsvolu("FTOB", "BOX ", idtmed[506], par, 3);
228   par[2] = zlenA * 0.5;
229   gMC->Gsvolu("FTOA", "BOX ", idtmed[506], par, 3);
230   
231   
232   // Positioning of modules
233   
234   Float_t zcor1 = ztof0 - zlenC*0.5;
235   Float_t zcor2 = ztof0 - zlenC - zlenB*0.5;
236   Float_t zcor3 = 0.;
237   
238   AliMatrix(idrotm[0], 90.,  0., 0., 0., 90,-90.);
239   AliMatrix(idrotm[1], 90.,180., 0., 0., 90, 90.);
240
241   gMC->Gspos("FTOC", 1, "BTO1", 0,  zcor1, 0, idrotm[0], "ONLY");
242   gMC->Gspos("FTOC", 2, "BTO1", 0, -zcor1, 0, idrotm[1], "ONLY");
243   gMC->Gspos("FTOC", 1, "BTO2", 0,  zcor1, 0, idrotm[0], "ONLY");
244   gMC->Gspos("FTOC", 2, "BTO2", 0, -zcor1, 0, idrotm[1], "ONLY");
245   gMC->Gspos("FTOC", 1, "BTO3", 0,  zcor1, 0, idrotm[0], "ONLY");
246   gMC->Gspos("FTOC", 2, "BTO3", 0, -zcor1, 0, idrotm[1], "ONLY");
247   
248   gMC->Gspos("FTOB", 1, "BTO1", 0,  zcor2, 0, idrotm[0], "ONLY");
249   gMC->Gspos("FTOB", 2, "BTO1", 0, -zcor2, 0, idrotm[1], "ONLY");
250   gMC->Gspos("FTOB", 1, "BTO2", 0,  zcor2, 0, idrotm[0], "ONLY");
251   gMC->Gspos("FTOB", 2, "BTO2", 0, -zcor2, 0, idrotm[1], "ONLY");
252   gMC->Gspos("FTOB", 1, "BTO3", 0,  zcor2, 0, idrotm[0], "ONLY");
253   gMC->Gspos("FTOB", 2, "BTO3", 0, -zcor2, 0, idrotm[1], "ONLY");
254   
255   gMC->Gspos("FTOA", 0, "BTO1", 0, zcor3,  0, idrotm[0], "ONLY");
256   if(!fTOFHoles)gMC->Gspos("FTOA", 0, "BTO2", 0, zcor3,  0, idrotm[0], "ONLY");
257   gMC->Gspos("FTOA", 0, "BTO3", 0, zcor3,  0, idrotm[0], "ONLY");
258   
259
260   Float_t db = 0.5; // cm
261   Float_t xFLT, xFST, yFLT, zFLTA, zFLTB, zFLTC;
262   
263   xFLT = AliTOFGeometry::StripLength();
264   yFLT = ytof;
265   zFLTA = zlenA;
266   zFLTB = zlenB;
267   zFLTC = zlenC;
268   
269   xFST = xFLT - AliTOFGeometry::DeadBndX()*2; // cm
270   
271   // Sizes of MRPC pads
272   
273   Float_t yPad = 0.505; //cm
274   
275   // Large not sensitive volumes with Insensitive Freon
276   par[0] = xFLT*0.5;
277   par[1] = yFLT*0.5;
278   
279   AliDebug(1, "************************* TOF geometry **************************");
280   
281   par[2] = (zFLTA *0.5);
282   gMC->Gsvolu("FLTA", "BOX ", idtmed[512], par, 3); // Insensitive Freon
283   gMC->Gspos ("FLTA", 0, "FTOA", 0., 0., 0., 0, "ONLY");
284   
285   par[2] = (zFLTB * 0.5);
286   gMC->Gsvolu("FLTB", "BOX ", idtmed[512], par, 3); // Insensitive Freon
287   gMC->Gspos ("FLTB", 0, "FTOB", 0., 0., 0., 0, "ONLY");
288   
289   par[2] = (zFLTC * 0.5);
290   gMC->Gsvolu("FLTC", "BOX ", idtmed[512], par, 3); // Insensitive Freon
291   gMC->Gspos ("FLTC", 0, "FTOC", 0., 0., 0., 0, "ONLY");
292   
293   ///// Layers of Aluminum before and after detector /////
294   ///// Aluminum Box for Modules (1.8 mm thickness)  /////
295   ///// lateral walls not simulated for the time being
296   //    const Float_t khAlWall = 0.18;
297   // fp to be checked
298   const Float_t khAlWall = 0.11;
299   par[0] = xFLT*0.5;
300   par[1] = khAlWall/2.; // cm
301   ycoor = -yFLT/2 + par[1];
302   par[2] = (zFLTA *0.5);
303   gMC->Gsvolu("FALA", "BOX ", idtmed[508], par, 3); // Alluminium
304   gMC->Gspos ("FALA", 1, "FLTA", 0., ycoor, 0., 0, "ONLY");
305   gMC->Gspos ("FALA", 2, "FLTA", 0.,-ycoor, 0., 0, "ONLY");
306   par[2] = (zFLTB *0.5);
307   gMC->Gsvolu("FALB", "BOX ", idtmed[508], par, 3); // Alluminium 
308   gMC->Gspos ("FALB", 1, "FLTB", 0., ycoor, 0., 0, "ONLY");
309   gMC->Gspos ("FALB", 2, "FLTB", 0.,-ycoor, 0., 0, "ONLY");
310   par[2] = (zFLTC *0.5);
311   gMC->Gsvolu("FALC", "BOX ", idtmed[508], par, 3); // Alluminium
312   gMC->Gspos ("FALC", 1, "FLTC", 0., ycoor, 0., 0, "ONLY");
313   gMC->Gspos ("FALC", 2, "FLTC", 0.,-ycoor, 0., 0, "ONLY");
314   
315   ///////////////// Detector itself //////////////////////
316   
317   const Float_t  kdeadBound  =  AliTOFGeometry::DeadBndZ(); //cm non-sensitive between the pad edge 
318   //and the boundary of the strip
319   const Int_t    knx    = AliTOFGeometry::NpadX();  // number of pads along x
320   const Int_t    knz    = AliTOFGeometry::NpadZ();  // number of pads along z
321   
322   Float_t zSenStrip  = AliTOFGeometry::ZPad() * AliTOFGeometry::NpadZ(); // cm
323   Float_t stripWidth = zSenStrip + 2*kdeadBound;
324   
325   par[0] = xFLT*0.5;
326   par[1] = yPad*0.5;
327   par[2] = stripWidth*0.5;
328   
329   // new description for strip volume -double stack strip-
330   // -- all constants are expressed in cm
331   // heigth of different layers
332   const Float_t khhony = 0.8     ;   // heigth of HONY  Layer
333   const Float_t khpcby = 0.08    ;   // heigth of PCB   Layer
334   const Float_t khmyly = 0.035   ;   // heigth of MYLAR Layer
335   const Float_t khgraphy = 0.02  ;   // heigth of GRAPHITE Layer
336   const Float_t khglasseiy = 0.135;  // 0.6 Ext. Glass + 1.1 i.e. (Int. Glass/2) (mm)
337   const Float_t khsensmy = 0.11  ;   // heigth of Sensitive Freon Mixture
338   const Float_t kwsensmz = 2*3.5 ;   // cm
339   const Float_t klsensmx = 48*2.5;   // cm
340   const Float_t kwpadz = 3.5;   // cm z dimension of the FPAD volume
341   const Float_t klpadx = 2.5;   // cm x dimension of the FPAD volume
342   
343   // heigth of the FSTR Volume (the strip volume)
344   const Float_t khstripy = 2*khhony+3*khpcby+4*(khmyly+khgraphy+khglasseiy)+2*khsensmy;
345   // width  of the FSTR Volume (the strip volume)
346   const Float_t kwstripz = 10.;
347   // length of the FSTR Volume (the strip volume)
348   const Float_t klstripx = 122.;
349   
350   Float_t parfp[3]={klstripx*0.5,khstripy*0.5,kwstripz*0.5};
351   // Coordinates of the strip center in the strip reference frame;
352   // used for positioninG internal strip volumes
353   Float_t posfp[3]={0.,0.,0.};  
354   
355   
356   // FSTR volume definition-filling this volume with non sensitive Gas Mixture
357   gMC->Gsvolu("FSTR","BOX",idtmed[512],parfp,3);
358   //-- HONY Layer definition
359   //  parfp[0] = -1;
360   parfp[1] = khhony*0.5;
361   //  parfp[2] = -1;
362   gMC->Gsvolu("FHON","BOX",idtmed[503],parfp,3);
363   // positioning 2 HONY Layers on FSTR volume
364   
365   posfp[1]=-khstripy*0.5+parfp[1];
366   gMC->Gspos("FHON",1,"FSTR",0., posfp[1],0.,0,"ONLY");
367   gMC->Gspos("FHON",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
368   
369   //-- PCB Layer definition 
370  
371   parfp[1] = khpcby*0.5;
372   gMC->Gsvolu("FPCB","BOX",idtmed[504],parfp,3);
373   // positioning 2 PCB Layers on FSTR volume
374   posfp[1]=-khstripy*0.5+khhony+parfp[1];
375   gMC->Gspos("FPCB",1,"FSTR",0., posfp[1],0.,0,"ONLY");
376   gMC->Gspos("FPCB",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
377   // positioning the central PCB layer
378   gMC->Gspos("FPCB",3,"FSTR",0.,0.,0.,0,"ONLY");
379   
380   
381   
382   //-- MYLAR Layer definition
383
384   parfp[1] = khmyly*0.5;
385   gMC->Gsvolu("FMYL","BOX",idtmed[511],parfp,3);
386   // positioning 2 MYLAR Layers on FSTR volume
387   posfp[1] = -khstripy*0.5+khhony+khpcby+parfp[1];
388   gMC->Gspos("FMYL",1,"FSTR",0., posfp[1],0.,0,"ONLY");
389   gMC->Gspos("FMYL",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
390   // adding further 2 MYLAR Layers on FSTR volume
391   posfp[1] = khpcby*0.5+parfp[1];
392   gMC->Gspos("FMYL",3,"FSTR",0., posfp[1],0.,0,"ONLY");
393   gMC->Gspos("FMYL",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
394   
395   
396   //-- Graphite Layer definition
397  
398   parfp[1] = khgraphy*0.5;
399   gMC->Gsvolu("FGRP","BOX",idtmed[502],parfp,3);
400   // positioning 2 Graphite Layers on FSTR volume
401   posfp[1] = -khstripy*0.5+khhony+khpcby+khmyly+parfp[1];
402   gMC->Gspos("FGRP",1,"FSTR",0., posfp[1],0.,0,"ONLY");
403   gMC->Gspos("FGRP",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
404   // adding further 2 Graphite Layers on FSTR volume
405   posfp[1] = khpcby*0.5+khmyly+parfp[1];
406   gMC->Gspos("FGRP",3,"FSTR",0., posfp[1],0.,0,"ONLY");
407   gMC->Gspos("FGRP",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
408   
409   
410   //-- Glass (EXT. +Semi INT.) Layer definition
411
412   parfp[1] = khglasseiy*0.5;
413   gMC->Gsvolu("FGLA","BOX",idtmed[514],parfp,3);
414   // positioning 2 Glass Layers on FSTR volume
415   posfp[1] = -khstripy*0.5+khhony+khpcby+khmyly+khgraphy+parfp[1];
416   gMC->Gspos("FGLA",1,"FSTR",0., posfp[1],0.,0,"ONLY");
417   gMC->Gspos("FGLA",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
418   // adding further 2 Glass Layers on FSTR volume
419   posfp[1] = khpcby*0.5+khmyly+khgraphy+parfp[1];
420   gMC->Gspos("FGLA",3,"FSTR",0., posfp[1],0.,0,"ONLY");
421   gMC->Gspos("FGLA",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
422   
423   
424   //-- Sensitive Mixture Layer definition
425  
426   parfp[0] = klsensmx*0.5;
427   parfp[1] = khsensmy*0.5;
428   parfp[2] = kwsensmz*0.5;
429   gMC->Gsvolu("FSEN","BOX",idtmed[513],parfp,3);
430   gMC->Gsvolu("FNSE","BOX",idtmed[512],parfp,3);
431   // positioning 2 gas Layers on FSTR volume
432   // the upper is insensitive freon
433   // while the remaining is sensitive
434   posfp[1] = khpcby*0.5+khmyly+khgraphy+khglasseiy+parfp[1];
435   gMC->Gspos("FNSE",0,"FSTR", 0., posfp[1],0.,0,"ONLY");
436   gMC->Gspos("FSEN",0,"FSTR", 0.,-posfp[1],0.,0,"ONLY");
437   
438   // dividing FSEN along z in knz=2 and along x in knx=48
439
440   gMC->Gsdvn("FSEZ","FSEN",knz,3);
441   gMC->Gsdvn("FSEX","FSEZ",knx,1);
442   
443   // FPAD volume definition
444
445   parfp[0] = klpadx*0.5;   
446   parfp[1] = khsensmy*0.5;
447   parfp[2] = kwpadz*0.5;
448   gMC->Gsvolu("FPAD","BOX",idtmed[513],parfp,3);
449   // positioning the FPAD volumes on previous divisions
450   gMC->Gspos("FPAD",0,"FSEX",0.,0.,0.,0,"ONLY");
451   
452
453   ///////////////////Positioning A module//////////////////////////
454
455
456   for(Int_t istrip =0; istrip < fTOFGeometry->NStripA(); istrip++){
457
458     Float_t ang = fTOFGeometry->GetAngles(2,istrip);
459     AliMatrix (idrotm[0],90.,0.,90.-ang,90.,-ang, 90.);  
460     ang /= kRaddeg;
461     Float_t zpos = tan(ang)*radius;
462     Float_t ypos= fTOFGeometry->GetHeights(2,istrip);
463     gMC->Gspos("FSTR",AliTOFGeometry::NStripA()-istrip,"FLTA",0.,ypos, zpos,idrotm[0],  "ONLY");
464     AliDebug(1, Form("y = %f,  z = %f, , z coord = %f, Rot ang = %f, St. %2i",ypos,zpos,tan(ang)*radius ,ang*kRaddeg,istrip));
465   }
466
467   
468   ///////////////////Positioning B module//////////////////////////
469
470   for(Int_t istrip =0; istrip < fTOFGeometry->NStripB(); istrip++){
471
472     Float_t ang = fTOFGeometry->GetAngles(3,istrip);
473     AliMatrix (idrotm[0],90.,0.,90.-ang,90.,-ang, 90.);  
474     ang /= kRaddeg;
475     Float_t zpos = tan(ang)*radius+(zFLTA*0.5+zFLTB*0.5+db);
476     Float_t ypos= fTOFGeometry->GetHeights(3,istrip);
477     gMC->Gspos("FSTR",istrip+1,"FLTB",0.,ypos, zpos,idrotm[nrot],  "ONLY");
478     AliDebug(1, Form("y = %f,  z = %f, , z coord = %f, Rot ang = %f, St. %2i",ypos,zpos,tan(ang)*radius,ang*kRaddeg,istrip));
479   }
480
481   
482   ///////////////////Positioning C module//////////////////////////
483
484   for(Int_t istrip =0; istrip < fTOFGeometry->NStripC(); istrip++){
485
486     Float_t ang = fTOFGeometry->GetAngles(4,istrip);
487     AliMatrix (idrotm[0],90.,0.,90.-ang,90.,-ang, 90.);  
488     ang /= kRaddeg;
489     Float_t zpos = tan(ang)*radius+(zFLTC*0.5+zFLTB+zFLTA*0.5+db*2);
490     Float_t ypos= fTOFGeometry->GetHeights(4,istrip);
491     gMC->Gspos("FSTR",istrip+1,"FLTC",0.,ypos, zpos,idrotm[nrot],  "ONLY");
492     AliDebug(1, Form("y = %f,  z = %f, z coord = %f, Rot ang = %f, St. %2i",ypos,zpos,tan(ang)*radius,ang*kRaddeg,istrip));
493   }
494    
495   ////////// Layers after strips /////////////////
496   // Al Layer thickness (2.3mm) factor 0.7
497   
498   Float_t overSpace = AliTOFGeometry::OverSpc();//cm
499   
500   par[0] = xFLT*0.5;
501   par[1] = 0.115*0.7; // factor 0.7
502   par[2] = (zFLTA *0.5);
503   ycoor = -yFLT/2 + overSpace + par[1];
504   gMC->Gsvolu("FPEA", "BOX ", idtmed[508], par, 3); // Al
505   gMC->Gspos ("FPEA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
506   par[2] = (zFLTB *0.5);
507   gMC->Gsvolu("FPEB", "BOX ", idtmed[508], par, 3); // Al
508   gMC->Gspos ("FPEB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
509   par[2] = (zFLTC *0.5);
510   gMC->Gsvolu("FPEC", "BOX ", idtmed[508], par, 3); // Al
511   gMC->Gspos ("FPEC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
512   
513   
514   // plexiglass thickness: 1.5 mm ; factor 0.3
515
516   ycoor += par[1];
517   par[0] = xFLT*0.5;
518   par[1] = 0.075*0.3; // factor 0.3 
519   par[2] = (zFLTA *0.5);
520   ycoor += par[1];
521   gMC->Gsvolu("FECA", "BOX ", idtmed[505], par, 3); // Plexigl.
522   gMC->Gspos ("FECA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
523   par[2] = (zFLTB *0.5);
524   gMC->Gsvolu("FECB", "BOX ", idtmed[505], par, 3); // Plexigl.
525   gMC->Gspos ("FECB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
526   par[2] = (zFLTC *0.5);
527   gMC->Gsvolu("FECC", "BOX ", idtmed[505], par, 3); // Plexigl.
528   gMC->Gspos ("FECC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
529   
530   // frame of Air
531
532   ycoor += par[1];
533   par[0] = xFLT*0.5;
534   par[1] = (yFLT/2-ycoor-khAlWall)*0.5; // Aluminum layer considered (0.18 cm)
535   par[2] = (zFLTA *0.5);
536   ycoor += par[1];
537   gMC->Gsvolu("FAIA", "BOX ", idtmed[500], par, 3); // Air
538   gMC->Gspos ("FAIA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
539   par[2] = (zFLTB *0.5);
540   gMC->Gsvolu("FAIB", "BOX ", idtmed[500], par, 3); // Air
541   gMC->Gspos ("FAIB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
542   par[2] = (zFLTC *0.5);
543   gMC->Gsvolu("FAIC", "BOX ", idtmed[500], par, 3); // Air
544   gMC->Gspos ("FAIC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
545   
546   
547   // start with cards and cooling tubes
548   // finally, cards, cooling tubes and layer for thermal dispersion
549   // 3 volumes
550   // card volume definition
551   
552   // see GEOM200 in GEANT manual
553
554
555   AliMatrix(idrotm[98], 90., 0., 90., 90., 0., 0.); // 0 deg
556   
557   Float_t cardpar[3];
558   cardpar[0]= 61.;
559   cardpar[1]= 5.;
560   cardpar[2]= 0.1;
561   gMC->Gsvolu("FCAR", "BOX ", idtmed[504], cardpar, 3); // PCB Card 
562   //alu plate volume definition
563   cardpar[1]= 3.5;
564   cardpar[2]= 0.05;
565   gMC->Gsvolu("FALP", "BOX ", idtmed[508], cardpar, 3); // Alu Plate
566   
567   
568   // central module positioning (FAIA)
569   Float_t cardpos[3], aplpos2, stepforcardA=6.625;
570   cardpos[0]= 0.;
571   cardpos[1]= -0.5;
572   cardpos[2]= -53.;
573   Float_t aplpos1 = -2.;
574   Int_t icard;
575   for (icard=0; icard < fTOFGeometry->NStripA(); ++icard) {
576     cardpos[2]= cardpos[2]+stepforcardA;
577     aplpos2 = cardpos[2]+0.15;
578     gMC->Gspos("FCAR",icard,"FAIA",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY");
579     gMC->Gspos("FALP",icard,"FAIA",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
580     
581   }
582   
583   
584   // intermediate module positioning (FAIB)
585   Float_t stepforcardB= 7.05;
586   cardpos[2]= -70.5;
587   for (icard=0; icard < fTOFGeometry->NStripB(); ++icard) {
588     cardpos[2]= cardpos[2]+stepforcardB;
589     aplpos2 = cardpos[2]+0.15; 
590     gMC->Gspos("FCAR",icard,"FAIB",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY");
591     gMC->Gspos("FALP",icard,"FAIB",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
592   }
593   
594   
595   // outer module positioning (FAIC)
596   Float_t stepforcardC= 8.45238;
597   cardpos[2]= -88.75;
598   for (icard=0; icard < fTOFGeometry->NStripC(); ++icard) {
599     cardpos[2]= cardpos[2]+stepforcardC;
600     aplpos2 = cardpos[2]+0.15;
601     gMC->Gspos("FCAR",icard,"FAIC",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY");
602     gMC->Gspos("FALP",icard,"FAIC",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
603   }
604   
605   // tube volume definition
606
607   Float_t tubepar[3];
608   tubepar[0]= 0.;
609   tubepar[1]= 0.4;
610   tubepar[2]= 61.;
611   gMC->Gsvolu("FTUB", "TUBE", idtmed[516], tubepar, 3); // cooling tubes (steel)
612   tubepar[0]= 0.;
613   tubepar[1]= 0.35;
614   tubepar[2]= 61.;
615   gMC->Gsvolu("FITU", "TUBE", idtmed[515], tubepar, 3); // cooling water
616   // positioning water tube into the steel one
617   gMC->Gspos("FITU",1,"FTUB",0.,0.,0.,0,"ONLY");
618   
619   
620   // rotation matrix
621   AliMatrix(idrotm[99], 180., 90., 90., 90., 90., 0.);
622   // central module positioning (FAIA)
623   Float_t tubepos[3], tdis=0.6;
624   tubepos[0]= 0.;
625   tubepos[1]= cardpos[1];
626   tubepos[2]= -53.+tdis;
627   //  tub1pos = 5.;
628   Int_t itub;
629   for (itub=0; itub < fTOFGeometry->NStripA(); ++itub) {
630     tubepos[2]= tubepos[2]+stepforcardA;
631     gMC->Gspos("FTUB",itub,"FAIA",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
632                "ONLY");
633   }
634   
635   
636   // intermediate module positioning (FAIB)
637   tubepos[2]= -70.5+tdis;
638   for (itub=0; itub < fTOFGeometry->NStripB(); ++itub) {
639     tubepos[2]= tubepos[2]+stepforcardB;
640     gMC->Gspos("FTUB",itub,"FAIB",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
641                "ONLY");
642   }
643   
644   // outer module positioning (FAIC)
645   tubepos[2]= -88.75+tdis;
646   for (itub=0; itub < fTOFGeometry->NStripC(); ++itub) {
647     tubepos[2]= tubepos[2]+stepforcardC;
648     gMC->Gspos("FTUB",itub,"FAIC",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
649                "ONLY");
650   }
651
652 }
653 //_____________________________________________________________________________
654 void AliTOFv4T0::DrawModule()
655 {
656   //
657   // Draw a shaded view of the Time Of Flight version 4
658   //
659   // Set everything unseen
660   gMC->Gsatt("*", "seen", -1);
661   // 
662   // Set ALIC mother transparent
663   gMC->Gsatt("ALIC","SEEN",0);
664   //
665   // Set the volumes visible
666   gMC->Gsatt("ALIC","SEEN",0);
667
668   gMC->Gsatt("FTOA","SEEN",1);
669   gMC->Gsatt("FTOB","SEEN",1);
670   gMC->Gsatt("FTOC","SEEN",1);
671   gMC->Gsatt("FLTA","SEEN",1);
672   gMC->Gsatt("FLTB","SEEN",1);
673   gMC->Gsatt("FLTC","SEEN",1);
674   gMC->Gsatt("FPLA","SEEN",1);
675   gMC->Gsatt("FPLB","SEEN",1);
676   gMC->Gsatt("FPLC","SEEN",1);
677   gMC->Gsatt("FSTR","SEEN",1);
678   gMC->Gsatt("FPEA","SEEN",1);
679   gMC->Gsatt("FPEB","SEEN",1);
680   gMC->Gsatt("FPEC","SEEN",1);
681   
682   gMC->Gsatt("FLZ1","SEEN",0);
683   gMC->Gsatt("FLZ2","SEEN",0);
684   gMC->Gsatt("FLZ3","SEEN",0);
685   gMC->Gsatt("FLX1","SEEN",0);
686   gMC->Gsatt("FLX2","SEEN",0);
687   gMC->Gsatt("FLX3","SEEN",0);
688   gMC->Gsatt("FPAD","SEEN",0);
689
690   gMC->Gdopt("hide", "on");
691   gMC->Gdopt("shad", "on");
692   gMC->Gsatt("*", "fill", 7);
693   gMC->SetClipBox(".");
694   gMC->SetClipBox("*", 0, 1000, -1000, 1000, -1000, 1000);
695   gMC->DefaultRange();
696   gMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .02, .02);
697   gMC->Gdhead(1111, "Time Of Flight");
698   gMC->Gdman(18, 4, "MAN");
699   gMC->Gdopt("hide","off");
700 }
701 //_____________________________________________________________________________
702 void AliTOFv4T0::DrawDetectorModules()
703 {
704 //
705 // Draw a shaded view of the TOF detector version 4
706 //
707  
708  
709 //Set ALIC mother transparent
710   gMC->Gsatt("ALIC","SEEN",0);
711
712 //
713 //Set volumes visible
714 // 
715 //=====> Level 1
716   // Level 1 for TOF volumes
717   gMC->Gsatt("B077","seen",0);
718  
719  
720 //==========> Level 2
721   // Level 2
722   gMC->Gsatt("B076","seen",-1); // all B076 sub-levels skipped -
723   gMC->Gsatt("B071","seen",0);
724   gMC->Gsatt("B074","seen",0);
725   gMC->Gsatt("B075","seen",0);
726   gMC->Gsatt("B080","seen",0); // B080 does not has sub-level                
727
728
729   // Level 2 of B071
730   gMC->Gsatt("B063","seen",-1); // all B063 sub-levels skipped   -
731   gMC->Gsatt("B065","seen",-1); // all B065 sub-levels skipped   -
732   gMC->Gsatt("B067","seen",-1); // all B067 sub-levels skipped   -
733   gMC->Gsatt("B069","seen",-1); // all B069 sub-levels skipped   -
734   gMC->Gsatt("B056","seen",0);  // B056 does not has sub-levels  -
735   gMC->Gsatt("B059","seen",-1); // all B059 sub-levels skipped   -
736   gMC->Gsatt("B072","seen",-1); // all B072 sub-levels skipped   -
737   gMC->Gsatt("BTR1","seen",0);  // BTR1 do not have sub-levels   -
738   gMC->Gsatt("BTO1","seen",0);
739
740  
741   // Level 2 of B074
742   gMC->Gsatt("BTR2","seen",0); // BTR2 does not has sub-levels -
743   gMC->Gsatt("BTO2","seen",0);
744
745   // Level 2 of B075
746   gMC->Gsatt("BTR3","seen",0); // BTR3 do not have sub-levels -
747   gMC->Gsatt("BTO3","seen",0);
748
749 // ==================> Level 3
750   // Level 3 of B071 / Level 2 of BTO1
751   gMC->Gsatt("FTOC","seen",-2);
752   gMC->Gsatt("FTOB","seen",-2);
753   gMC->Gsatt("FTOA","seen",-2);
754  
755   // Level 3 of B074 / Level 2 of BTO2
756   // -> cfr previous settings
757  
758   // Level 3 of B075 / Level 2 of BTO3
759   // -> cfr previous settings
760
761   gMC->Gdopt("hide","on");
762   gMC->Gdopt("shad","on");
763   gMC->Gsatt("*", "fill", 5);
764   gMC->SetClipBox(".");
765   gMC->SetClipBox("*", 0, 1000, 0, 1000, 0, 1000);
766   gMC->DefaultRange();
767   gMC->Gdraw("alic", 45, 40, 0, 10, 10, .015, .015);
768   gMC->Gdhead(1111,"TOF detector V1");
769   gMC->Gdman(18, 4, "MAN");
770   gMC->Gdopt("hide","off");
771 }                                 
772
773 //_____________________________________________________________________________
774 void AliTOFv4T0::DrawDetectorStrips()
775 {
776   //
777   // Draw a shaded view of the TOF strips for version 4
778   //
779   
780   //Set ALIC mother transparent
781   gMC->Gsatt("ALIC","SEEN",0);
782   
783   //
784   //Set volumes visible 
785   //=====> Level 1
786   // Level 1 for TOF volumes
787   gMC->Gsatt("B077","seen",0);
788   
789   //==========> Level 2
790   // Level 2
791   gMC->Gsatt("B076","seen",-1); // all B076 sub-levels skipped -
792   gMC->Gsatt("B071","seen",0);
793   gMC->Gsatt("B074","seen",0);
794   gMC->Gsatt("B075","seen",0);
795   gMC->Gsatt("B080","seen",0); // B080 does not has sub-level
796   
797   // Level 2 of B071
798   gMC->Gsatt("B063","seen",-1); // all B063 sub-levels skipped   -
799   gMC->Gsatt("B065","seen",-1); // all B065 sub-levels skipped   -
800   gMC->Gsatt("B067","seen",-1); // all B067 sub-levels skipped   -
801   gMC->Gsatt("B069","seen",-1); // all B069 sub-levels skipped   -
802   gMC->Gsatt("B056","seen",0);  // B056 does not has sub-levels  -
803   gMC->Gsatt("B059","seen",-1); // all B059 sub-levels skipped   -
804   gMC->Gsatt("B072","seen",-1); // all B072 sub-levels skipped   -
805   gMC->Gsatt("BTR1","seen",0);  // BTR1 do not have sub-levels   -
806   gMC->Gsatt("BTO1","seen",0);
807   
808   // ==================> Level 3
809   // Level 3 of B071 / Level 2 of BTO1
810   gMC->Gsatt("FTOC","seen",0);
811   gMC->Gsatt("FTOB","seen",0);
812   gMC->Gsatt("FTOA","seen",0);
813   
814   // Level 3 of B074 / Level 2 of BTO2
815   // -> cfr previous settings
816   
817   // Level 3 of B075 / Level 2 of BTO3
818   // -> cfr previous settings
819   
820   
821   // ==========================> Level 4
822   // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOC
823   gMC->Gsatt("FLTC","seen",0);
824   // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOB
825   gMC->Gsatt("FLTB","seen",0);
826   // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOA
827   gMC->Gsatt("FLTA","seen",0);
828   
829   // Level 4 of B074 / Level 3 of BTO2 / Level 2 of FTOC
830   // -> cfr previous settings
831   // Level 4 of B074 / Level 3 of BTO2 / Level 2 of FTOB
832   // -> cfr previous settings
833   
834   // Level 4 of B075 / Level 3 of BTO3 / Level 2 of FTOC
835   // -> cfr previous settings
836   
837   //======================================> Level 5
838   // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOC / Level 2 of FLTC
839   gMC->Gsatt("FALC","seen",0); // no children for FALC
840   gMC->Gsatt("FSTR","seen",-2);
841   gMC->Gsatt("FPEC","seen",0); // no children for FPEC
842   gMC->Gsatt("FECC","seen",0); // no children for FECC
843   gMC->Gsatt("FWAC","seen",0); // no children for FWAC
844   gMC->Gsatt("FAIC","seen",0); // no children for FAIC
845   
846   // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOB / Level 2 of FLTB
847   gMC->Gsatt("FALB","seen",0); // no children for FALB
848   //-->  gMC->Gsatt("FSTR","seen",-2);
849   
850   
851   // -> cfr previous settings
852   gMC->Gsatt("FPEB","seen",0); // no children for FPEB
853   gMC->Gsatt("FECB","seen",0); // no children for FECB
854   gMC->Gsatt("FWAB","seen",0); // no children for FWAB
855   gMC->Gsatt("FAIB","seen",0); // no children for FAIB
856   
857   // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOA / Level 2 of FLTA
858   gMC->Gsatt("FALA","seen",0); // no children for FALB
859   //-->  gMC->Gsatt("FSTR","seen",-2);
860   // -> cfr previous settings
861   gMC->Gsatt("FPEA","seen",0); // no children for FPEA
862   gMC->Gsatt("FECA","seen",0); // no children for FECA
863   gMC->Gsatt("FWAA","seen",0); // no children for FWAA
864   gMC->Gsatt("FAIA","seen",0); // no children for FAIA
865   
866   // Level 2 of B074
867   gMC->Gsatt("BTR2","seen",0); // BTR2 does not has sub-levels -
868   gMC->Gsatt("BTO2","seen",0);
869   
870   // Level 2 of B075
871   gMC->Gsatt("BTR3","seen",0); // BTR3 do not have sub-levels -
872   gMC->Gsatt("BTO3","seen",0);
873   
874   // for others Level 5, cfr. previous settings
875
876   gMC->Gdopt("hide","on");
877   gMC->Gdopt("shad","on");
878   gMC->Gsatt("*", "fill", 5);
879   gMC->SetClipBox(".");
880   gMC->SetClipBox("*", 0, 1000, 0, 1000, 0, 1000);
881   gMC->DefaultRange();
882   gMC->Gdraw("alic", 45, 40, 0, 10, 10, .015, .015);
883   gMC->Gdhead(1111,"TOF Strips V1");
884   gMC->Gdman(18, 4, "MAN");
885   gMC->Gdopt("hide","off");
886 }
887
888 //_____________________________________________________________________________
889 void AliTOFv4T0::CreateMaterials()
890 {
891   //
892   // Define materials for the Time Of Flight
893   //
894   AliTOF::CreateMaterials();
895 }
896
897 //_____________________________________________________________________________
898 void AliTOFv4T0::Init()
899 {
900   //
901   // Initialise the detector after the geometry has been defined
902   //
903   AliDebug(1, "**************************************"
904            "  TOF  "
905            "**************************************");
906   AliDebug(1, "  Version 4 of TOF initialing, "
907            "symmetric TOF - Full Coverage version");
908   
909   AliTOF::Init();
910   
911   fIdFTOA = gMC->VolId("FTOA");
912   fIdFTOB = gMC->VolId("FTOB");
913   fIdFTOC = gMC->VolId("FTOC");
914   fIdFLTA = gMC->VolId("FLTA");
915   fIdFLTB = gMC->VolId("FLTB");
916   fIdFLTC = gMC->VolId("FLTC");
917
918   AliDebug(1, "**************************************"
919            "  TOF  "
920            "**************************************");
921 }
922  
923 //_____________________________________________________________________________
924 void AliTOFv4T0::StepManager()
925 {
926
927   //
928   // Procedure called at each step in the Time Of Flight
929   //
930
931   TLorentzVector mom, pos;
932   Float_t xm[3],pm[3],xpad[3],ppad[3];
933   Float_t hits[14],phi,phid,z;
934   Int_t   vol[5];
935   Int_t   sector, plate, padx, padz, strip;
936   Int_t   copy, padzid, padxid, stripid, i;
937   Int_t   *idtmed = fIdtmed->GetArray()-499;
938   Float_t incidenceAngle;
939       
940   if(gMC->GetMedium()==idtmed[513] && 
941      gMC->IsTrackEntering() && gMC->TrackCharge()
942      && gMC->CurrentVolID(copy)==fIdSens) 
943   {
944
945     AddTrackReference(gAlice->GetMCApp()->GetCurrentTrackNumber());
946
947     // getting information about hit volumes
948     
949     padzid=gMC->CurrentVolOffID(2,copy);
950     padz=copy; 
951
952     
953     padxid=gMC->CurrentVolOffID(1,copy);
954     padx=copy; 
955     
956     stripid=gMC->CurrentVolOffID(4,copy);
957     strip=copy; 
958
959     gMC->TrackPosition(pos);
960     gMC->TrackMomentum(mom);
961
962
963     //    Double_t NormPos=1./pos.Rho();
964
965     Double_t normMom=1./mom.Rho();
966
967     //  getting the cohordinates in pad ref system
968
969     xm[0] = (Float_t)pos.X();
970     xm[1] = (Float_t)pos.Y();
971     xm[2] = (Float_t)pos.Z();
972
973     pm[0] = (Float_t)mom.X()*normMom;
974     pm[1] = (Float_t)mom.Y()*normMom;
975     pm[2] = (Float_t)mom.Z()*normMom;
976  
977     gMC->Gmtod(xm,xpad,1);
978     gMC->Gmtod(pm,ppad,2);
979
980     
981     if (TMath::Abs(ppad[1])>1) {
982       AliWarning("Abs(ppad) > 1");
983       ppad[1]=TMath::Sign((Float_t)1,ppad[1]);
984     }
985     incidenceAngle = TMath::ACos(ppad[1])*kRaddeg;
986
987
988     z = pos[2];
989
990     plate = -1;  
991
992     if (TMath::Abs(z) <=  AliTOFGeometry::ZlenA()*0.5)  plate = 2;
993     if (z < (AliTOFGeometry::ZlenA()*0.5+AliTOFGeometry::ZlenB()) && 
994         z >  AliTOFGeometry::ZlenA()*0.5)               plate = 1;
995     if (z >-(AliTOFGeometry::ZlenA()*0.5+AliTOFGeometry::ZlenB()) &&
996         z < -AliTOFGeometry::ZlenA()*0.5)               plate = 3;
997     if (z > (AliTOFGeometry::ZlenA()*0.5+AliTOFGeometry::ZlenB()))     plate = 0;
998     if (z <-(AliTOFGeometry::ZlenA()*0.5+AliTOFGeometry::ZlenB()))     plate = 4;
999
1000
1001     if (plate==0) strip=fTOFGeometry->NStripC()-strip;
1002     else if (plate==1) strip=fTOFGeometry->NStripB()-strip;
1003     else strip--;
1004  
1005     //Apply ALICE conventions for volume numbering increasing with theta, phi
1006
1007     if (plate==3 || plate==4){
1008       padx=fTOFGeometry->NpadX()-padx;
1009       padz=fTOFGeometry->NpadZ()-padz;
1010       xpad[0]=-xpad[0];      
1011       xpad[2]=-xpad[2];      
1012     }
1013     else {
1014      padx--;
1015      padz--;
1016     }
1017
1018
1019
1020     phi = pos.Phi();
1021     if (phi>=0.) phid = phi*kRaddeg;
1022     else phid = phi*kRaddeg + 360.;
1023
1024     sector = Int_t (phid/20.);
1025
1026     for(i=0;i<3;++i) {
1027       hits[i]   = pos[i];
1028       hits[i+3] = pm[i];
1029     }
1030
1031     hits[6] = mom.Rho();
1032     hits[7] = pos[3];
1033     hits[8] = xpad[0];
1034     hits[9] = xpad[1];
1035     hits[10]= xpad[2];
1036     hits[11]= incidenceAngle;
1037     hits[12]= gMC->Edep();
1038     hits[13]= gMC->TrackLength();
1039     
1040     vol[0]= sector;
1041     vol[1]= plate;
1042     vol[2]= strip;
1043     vol[3]= padx;
1044     vol[4]= padz;    
1045
1046     AddT0Hit(gAlice->GetMCApp()->GetCurrentTrackNumber(),vol, hits);
1047   }
1048 }