[u/mrichter/AliRoot.git] / TOF / AliTOFv3.cxx

///////////////////////////////////////////////////////////////////////////////
//                                                                           //
//  Time Of Flight                                                           //
//  This class contains the functions for version 3 of the Time Of Flight    //
//  detector.                                                                //
//                                                                           //
//Begin_Html
/*
<img src="gif/AliTOFv3Class.gif">
*/
//End_Html
//                                                                           //
///////////////////////////////////////////////////////////////////////////////

#include "AliTOFv3.h"
#include <TNode.h>
#include <TTUBE.h>
#include "AliRun.h"
#include "AliMC.h"
 
ClassImp(AliTOFv3)
 
//_____________________________________________________________________________
AliTOFv3::AliTOFv3() : AliTOF()
{
  //
  // Default constructor
  //
}
 
//_____________________________________________________________________________
AliTOFv3::AliTOFv3(const char *name, const char *title)
       : AliTOF(name,title)
{
  //
  // Standard constructor
  //
}
 
//_____________________________________________________________________________
void AliTOFv3::CreateGeometry()
{
  //
  // Create geometry for Time Of Flight version 2
  //
  //Begin_Html
  /*
    <img src="gif/AliTOFv3.gif">
  */
  //End_Html
  //

  //
  // Create common geometry between version 2 and 3
  //
  AliTOF::CreateGeometry();
}
 
//_____________________________________________________________________________
void AliTOFv3::TOFpc(Float_t xm, Float_t ym, Float_t zm0,
		     Float_t zm1, Float_t zm2)
{
  //
  // Definition of the Time Of Fligh Parallel Plate Chambers
  //

  AliMC* pMC = AliMC::GetMC();
  
  Int_t inum;
  Float_t xcor, zcor, ytop;
  Int_t inum1;
  Float_t xcor1, xcor2, ycoor;
  Float_t stepx, stepz, dx, dy, dz, xp, yp, zp, shiftx, shiftz, ywidth;
  Float_t shiftx1, shiftx2, xad, zad;
  Int_t ink;
  Float_t par[10];
  Int_t inz;
  Float_t xzd;
  Int_t nxp, npx, npz;
  Float_t xsz, ysz, zsz;
  Int_t nzp0, nzp1, nzp2;
  
  Int_t *idtmed = gAlice->Idtmed();
  
  // X size of PPC plate 
  xsz = 54.;
  // Y size of PPC plate 
  ysz = .2;
  // Z size of PPC plate 
  zsz = 48.;
  // First return additional shift along X 
  xad = 1.5;
  // Second return additional shift along X 
  xzd = .5;
  // Return additional shift along Z 
  zad = .25;
  // Width of DME box 
  ywidth = 4.;
  // X size of PPC chamber 
  xp = 5.7;
  // Y size of PPC chamber 
  yp = .32;
  // Z size of PPC chamber 
  zp = 5.7;
  // Frame width along X,Y and Z axis of PPC chambers 
  dx = .2;
  dy = .1;
  dz = .2;
  // No sensitive volumes with DME 
  par[0] = xm / 2.;
  par[1] = ywidth / 2.;
  par[2] = zm0 / 2.;
  ycoor = ym / 3. - ywidth / 2.;
  pMC->Gsvolu("FBT1", "BOX ", idtmed[505], par, 3);
  pMC->Gspos("FBT1", 0, "FTO1", 0., 0., 0., 0, "ONLY");
  par[2] = zm1 / 2.;
  pMC->Gsvolu("FBT2", "BOX ", idtmed[505], par, 3);
  pMC->Gspos("FBT2", 1, "FTO2", 0., 0., 0., 0, "ONLY");
  par[2] = zm2 / 2.;
  pMC->Gsvolu("FBT3", "BOX ", idtmed[505], par, 3);
  pMC->Gspos("FBT3", 2, "FTO3", 0., 0., 0., 0, "ONLY");
  // Electronic plate 
  par[1] = ysz / 2.;
  par[2] = zm0 / 2.;
  ycoor = ywidth / 2. - ysz / 2.;
  pMC->Gsvolu("FPE1", "BOX ", idtmed[504], par, 3);
  pMC->Gspos("FPE1", 0, "FBT1", 0., ycoor, 0., 0, "ONLY");
  pMC->Gspos("FPE1", 1, "FBT1", 0., -ycoor, 0., 0, "ONLY");
  par[2] = zm1 / 2.;
  pMC->Gsvolu("FPE2", "BOX ", idtmed[504], par, 3);
  pMC->Gspos("FPE2", 0, "FBT2", 0., ycoor, 0., 0, "ONLY");
  pMC->Gspos("FPE2", 1, "FBT2", 0., -ycoor, 0., 0, "ONLY");
  par[2] = zm2 / 2.;
  pMC->Gsvolu("FPE3", "BOX ", idtmed[504], par, 3);
  pMC->Gspos("FPE3", 0, "FBT3", 0., ycoor, 0., 0, "ONLY");
  pMC->Gspos("FPE3", 1, "FBT3", 0., -ycoor, 0., 0, "ONLY");
  // Electronic insensitive volumes 
  par[1] = yp / 2.;
  par[2] = zm0 / 2.;
  ytop = ywidth / 2. - (ysz * 2 + yp) / 2.;
  pMC->Gsvolu("FST1", "BOX ", idtmed[505], par, 3);
  pMC->Gsvolu("FLT1", "BOX ", idtmed[505], par, 3);
  pMC->Gspos("FST1", 0, "FBT1", 0., ytop, 0., 0, "ONLY");
  pMC->Gspos("FLT1", 0, "FBT1", 0., -ytop, 0., 0, "ONLY");
  par[2] = zm1 / 2.;
  pMC->Gsvolu("FST2", "BOX ", idtmed[505], par, 3);
  pMC->Gsvolu("FLT2", "BOX ", idtmed[505], par, 3);
  pMC->Gspos("FST2", 0, "FBT2", 0., ytop, 0., 0, "ONLY");
  pMC->Gspos("FLT2", 0, "FBT2", 0., -ytop, 0., 0, "ONLY");
  par[2] = zm2 / 2.;
  pMC->Gsvolu("FST3", "BOX ", idtmed[505], par, 3);
  pMC->Gsvolu("FLT3", "BOX ", idtmed[505], par, 3);
  pMC->Gspos("FST3", 0, "FBT3", 0., ytop, 0., 0, "ONLY");
  pMC->Gspos("FLT3", 0, "FBT3", 0., -ytop, 0., 0, "ONLY");
  // PPC-plate number along X axis 
  nxp = Int_t (xm / xsz);
  // PPC-plate number along Z axis 
  nzp0 = Int_t (zm0 / zsz);
  nzp1 = Int_t (zm1 / zsz);
  nzp2 = Int_t (zm2 / zsz);
  // Position of big PPC-plate 
  par[0] = xm * .5 / nxp;
  par[2] = zm0 * .5 / nzp0;
  pMC->Gsvolu("FSK1", "BOX ", idtmed[505], par, 3);
  pMC->Gsvolu("FLK1", "BOX ", idtmed[505], par, 3);
  inum = 0;
  for (ink = 1; ink <= nxp; ++ink) {
    xcor = xm * .5 * ((ink * 2 - 1) / (Float_t) nxp - 1.);
    for (inz = 1; inz <= nzp0; ++inz) {
      zcor = zm0 * .5 * ((inz * 2 - 1) / (Float_t) nzp0 - 1.);
      ++inum;
      pMC->Gspos("FSK1", inum, "FST1", xcor, 0., zcor, 0, "ONLY");
      pMC->Gspos("FLK1", inum, "FLT1", xcor, 0., zcor, 0, "ONLY");
    }
    for (inz = 1; inz <= nzp1; ++inz) {
      zcor = zm1 * .5 * ((inz * 2 - 1) / (Float_t) nzp1 - 1.);
      ++inum;
      pMC->Gspos("FSK1", inum, "FST2", xcor, 0., zcor, 0, "ONLY");
      pMC->Gspos("FLK1", inum, "FLT2", xcor, 0., zcor, 0, "ONLY");
    }
    for (inz = 1; inz <= nzp2; ++inz) {
      zcor = zm2 * .5 * ((inz * 2 - 1) / (Float_t) nzp2 - 1.);
      ++inum;
      pMC->Gspos("FSK1", inum, "FST3", xcor, 0., zcor, 0, "ONLY");
      pMC->Gspos("FLK1", inum, "FLT3", xcor, 0., zcor, 0, "ONLY");
    }
  }
  par[0] = xsz / 2.;
  par[1] = yp / 2.;
  par[2] = zsz / 2.;
  pMC->Gsvolu("FSL1", "BOX ", idtmed[505], par, 3);
  pMC->Gsvolu("FLL1", "BOX ", idtmed[505], par, 3);
  shiftx = (xp / 2. + xad / 2.) / 2.;
  shiftz = (zm0 / nzp0 - zsz) / 2.;
  pMC->Gspos("FSL1", 0, "FSK1", -shiftx, 0., -shiftz, 0, "ONLY");
  pMC->Gspos("FLL1", 0, "FLK1", shiftx, 0., shiftz, 0, "ONLY");
  // PPC position on PPC-plate 
  npx = 4;
  npz = 8;
  par[0] = xp / 2.;
  par[1] = yp / 2.;
  par[2] = zp / 2.;
  stepx = (xad + xzd + xp * 2) / 2.;
  stepz = (zp + zad) / 2.;
  shiftz = npz * (zad + zp) / 2.;
  shiftx = npx * (xp * 2 + xad + xzd) / 2.;
  shiftx1 = (xp * 2 + xzd + xad) / 2. - xp / 2.;
  shiftx2 = (xp * 2 + xzd + xad) / 2. - xp / 2. - xzd;
  pMC->Gsvolu("FPG1", "BOX ", idtmed[507], par, 3);
  for (ink = 1; ink <= npx; ++ink) {
    xcor1 = -shiftx + stepx * (ink * 2 - 1) - shiftx1;
    xcor2 = -shiftx + stepx * (ink * 2 - 1) + shiftx2;
    for (inz = 1; inz <= npz; ++inz) {
      zcor = -shiftz + stepz * (inz * 2 - 1);
      ++inum;
      inum1 = npx * npz + inum;
      pMC->Gspos("FPG1", inum, "FSL1", xcor1, 0., zcor, 0, "ONLY");
      pMC->Gspos("FPG1", inum1, "FSL1", xcor2, 0., zcor, 0, "ONLY");
      pMC->Gspos("FPG1", inum, "FLL1", xcor1, 0., zcor, 0, "ONLY");
      pMC->Gspos("FPG1", inum1, "FLL1", xcor2, 0., zcor, 0, "ONLY");
    }
  }
  par[0] = xp / 2. - dx;
  par[1] = yp / 2. - dy;
  par[2] = zp / 2. - dz;
  pMC->Gsvolu("FPG2", "BOX ", idtmed[509], par, 3);
  pMC->Gspos("FPG2", 0, "FPG1", 0., 0., 0., 0, "ONLY");
}

//_____________________________________________________________________________
void AliTOFv3::DrawDetector()
{
  //
  // Draw a shaded view of the Time Of Flight version 3
  //

  AliMC* pMC = AliMC::GetMC();
  
  // Set everything unseen
  pMC->Gsatt("*", "seen", -1);
  // 
  // Set ALIC mother transparent
  pMC->Gsatt("ALIC","SEEN",0);
  //
  // Set the volumes visible
  pMC->Gsatt("ALIC","SEEN",0);
  pMC->Gsatt("FBAR","SEEN",0);
  pMC->Gsatt("FTO1","SEEN",0);
  pMC->Gsatt("FTO2","SEEN",0);
  pMC->Gsatt("FTO3","SEEN",0);
  pMC->Gsatt("FBT1","SEEN",0);
  pMC->Gsatt("FBT2","SEEN",0);
  pMC->Gsatt("FBT3","SEEN",0);
  pMC->Gsatt("FST1","SEEN",0);
  pMC->Gsatt("FLT1","SEEN",0);
  pMC->Gsatt("FST2","SEEN",0);
  pMC->Gsatt("FLT2","SEEN",0);
  pMC->Gsatt("FST3","SEEN",0);
  pMC->Gsatt("FLT3","SEEN",0);
  pMC->Gsatt("FSK1","SEEN",0);
  pMC->Gsatt("FLK1","SEEN",0);
  pMC->Gsatt("FSL1","SEEN",1);
  pMC->Gsatt("FLL1","SEEN",1);
  //
  pMC->Gdopt("hide", "on");
  pMC->Gdopt("shad", "on");
  pMC->Gsatt("*", "fill", 7);
  pMC->SetClipBox(".");
  pMC->SetClipBox("*", 0, 1000, -1000, 1000, -1000, 1000);
  pMC->DefaultRange();
  pMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .02, .02);
  pMC->Gdhead(1111, "Time Of Flight");
  pMC->Gdman(18, 4, "MAN");
  pMC->Gdopt("hide","off");
}

//_____________________________________________________________________________
void AliTOFv3::CreateMaterials()
{
  //
  // Define materials for the Time Of Flight
  //
   AliTOF::CreateMaterials();
}
 
//_____________________________________________________________________________
void AliTOFv3::Init()
{
  //
  // Initialise the detector after the geometry has been defined
  //

  AliMC* pMC = AliMC::GetMC();
  
  AliTOF::Init();
  fIdFTO2=pMC->VolId("FTO2");
  fIdFTO3=pMC->VolId("FTO3");
  fIdFLT1=pMC->VolId("FLT1");
  fIdFLT2=pMC->VolId("FLT2");
  fIdFLT3=pMC->VolId("FLT3");
}
 
//_____________________________________________________________________________
void AliTOFv3::StepManager()
{
  //
  // Procedure called at each step in the Time Of Flight
  //
  Float_t hits[8];
  Int_t vol[3];
  Int_t copy, id;
  AliMC *pMC= AliMC::GetMC();
  Int_t *idtmed = gAlice->Idtmed();
  if(pMC->GetMedium()==idtmed[510-1] && 
     pMC->TrackEntering() && pMC->TrackCharge()
     && pMC->CurrentVol(0,copy)==fIdSens) {
    TClonesArray &lhits = *fHits;
    //
    // Record only charged tracks at entrance
    pMC->CurrentVolOff(1,0,copy);
    vol[2]=copy;
    pMC->CurrentVolOff(3,0,copy);
    vol[1]=copy;
    id=pMC->CurrentVolOff(6,0,copy);
    vol[0]=copy;
    if(id==fIdFTO3) {
      vol[0]+=22;
      id=pMC->CurrentVolOff(4,0,copy);
      if(id==fIdFLT3) vol[1]+=6;
    } else if (id==fIdFTO2) {
      vol[0]+=20;
      id=pMC->CurrentVolOff(4,0,copy);
      if(id==fIdFLT2) vol[1]+=8;
    } else {
      id=pMC->CurrentVolOff(4,0,copy);
      if(id==fIdFLT1) vol[1]+=14;
    }
    pMC->TrackPosition(hits);
    pMC->TrackMomentum(&hits[3]);
    hits[7]=pMC->TrackTime();
    new(lhits[fNhits++]) AliTOFhit(fIshunt,gAlice->CurrentTrack(),vol,hits);
  }
}
Commit	Line	Data
fe4da5cc	1	///////////////////////////////////////////////////////////////////////////////
	2	// //
	3	// Time Of Flight //
	4	// This class contains the functions for version 3 of the Time Of Flight //
	5	// detector. //
	6	// //
	7	//Begin_Html
	8	/*
	9	<img src="gif/AliTOFv3Class.gif">
	10	*/
	11	//End_Html
	12	// //
	13	///////////////////////////////////////////////////////////////////////////////
	14
	15	#include "AliTOFv3.h"
	16	#include <TNode.h>
	17	#include <TTUBE.h>
	18	#include "AliRun.h"
	19	#include "AliMC.h"
	20
	21	ClassImp(AliTOFv3)
	22
	23	//_____________________________________________________________________________
	24	AliTOFv3::AliTOFv3() : AliTOF()
	25	{
	26	//
	27	// Default constructor
	28	//
	29	}
	30
	31	//_____________________________________________________________________________
	32	AliTOFv3::AliTOFv3(const char name, const char title)
	33	: AliTOF(name,title)
	34	{
	35	//
	36	// Standard constructor
	37	//
	38	}
	39
	40	//_____________________________________________________________________________
	41	void AliTOFv3::CreateGeometry()
	42	{
	43	//
	44	// Create geometry for Time Of Flight version 2
	45	//
	46	//Begin_Html
	47	/*
	48	<img src="gif/AliTOFv3.gif">
	49	*/
	50	//End_Html
	51	//
	52
	53	//
	54	// Create common geometry between version 2 and 3
	55	//
	56	AliTOF::CreateGeometry();
	57	}
	58
	59	//_____________________________________________________________________________
	60	void AliTOFv3::TOFpc(Float_t xm, Float_t ym, Float_t zm0,
	61	Float_t zm1, Float_t zm2)
	62	{
	63	//
	64	// Definition of the Time Of Fligh Parallel Plate Chambers
65	//
66
67	AliMC* pMC = AliMC::GetMC();
68
69	Int_t inum;
70	Float_t xcor, zcor, ytop;
71	Int_t inum1;
72	Float_t xcor1, xcor2, ycoor;
73	Float_t stepx, stepz, dx, dy, dz, xp, yp, zp, shiftx, shiftz, ywidth;
74	Float_t shiftx1, shiftx2, xad, zad;
75	Int_t ink;
76	Float_t par[10];
77	Int_t inz;
78	Float_t xzd;
79	Int_t nxp, npx, npz;
80	Float_t xsz, ysz, zsz;
81	Int_t nzp0, nzp1, nzp2;
82
83	Int_t *idtmed = gAlice->Idtmed();
84
85	// X size of PPC plate
86	xsz = 54.;
87	// Y size of PPC plate
88	ysz = .2;
89	// Z size of PPC plate
90	zsz = 48.;
91	// First return additional shift along X
92	xad = 1.5;
93	// Second return additional shift along X
94	xzd = .5;
95	// Return additional shift along Z
96	zad = .25;
97	// Width of DME box
98	ywidth = 4.;
99	// X size of PPC chamber
100	xp = 5.7;
101	// Y size of PPC chamber
102	yp = .32;
103	// Z size of PPC chamber
104	zp = 5.7;
105	// Frame width along X,Y and Z axis of PPC chambers
106	dx = .2;
107	dy = .1;
108	dz = .2;
109	// No sensitive volumes with DME
110	par[0] = xm / 2.;
111	par[1] = ywidth / 2.;
112	par[2] = zm0 / 2.;
113	ycoor = ym / 3. - ywidth / 2.;
114	pMC->Gsvolu("FBT1", "BOX ", idtmed[505], par, 3);
115	pMC->Gspos("FBT1", 0, "FTO1", 0., 0., 0., 0, "ONLY");
116	par[2] = zm1 / 2.;
117	pMC->Gsvolu("FBT2", "BOX ", idtmed[505], par, 3);
118	pMC->Gspos("FBT2", 1, "FTO2", 0., 0., 0., 0, "ONLY");
119	par[2] = zm2 / 2.;
120	pMC->Gsvolu("FBT3", "BOX ", idtmed[505], par, 3);
121	pMC->Gspos("FBT3", 2, "FTO3", 0., 0., 0., 0, "ONLY");
122	// Electronic plate
123	par[1] = ysz / 2.;
124	par[2] = zm0 / 2.;
125	ycoor = ywidth / 2. - ysz / 2.;
126	pMC->Gsvolu("FPE1", "BOX ", idtmed[504], par, 3);
127	pMC->Gspos("FPE1", 0, "FBT1", 0., ycoor, 0., 0, "ONLY");
128	pMC->Gspos("FPE1", 1, "FBT1", 0., -ycoor, 0., 0, "ONLY");
129	par[2] = zm1 / 2.;
130	pMC->Gsvolu("FPE2", "BOX ", idtmed[504], par, 3);
131	pMC->Gspos("FPE2", 0, "FBT2", 0., ycoor, 0., 0, "ONLY");
132	pMC->Gspos("FPE2", 1, "FBT2", 0., -ycoor, 0., 0, "ONLY");
133	par[2] = zm2 / 2.;
134	pMC->Gsvolu("FPE3", "BOX ", idtmed[504], par, 3);
135	pMC->Gspos("FPE3", 0, "FBT3", 0., ycoor, 0., 0, "ONLY");
136	pMC->Gspos("FPE3", 1, "FBT3", 0., -ycoor, 0., 0, "ONLY");
137	// Electronic insensitive volumes
138	par[1] = yp / 2.;
139	par[2] = zm0 / 2.;
140	ytop = ywidth / 2. - (ysz * 2 + yp) / 2.;
141	pMC->Gsvolu("FST1", "BOX ", idtmed[505], par, 3);
142	pMC->Gsvolu("FLT1", "BOX ", idtmed[505], par, 3);
143	pMC->Gspos("FST1", 0, "FBT1", 0., ytop, 0., 0, "ONLY");
144	pMC->Gspos("FLT1", 0, "FBT1", 0., -ytop, 0., 0, "ONLY");
145	par[2] = zm1 / 2.;
146	pMC->Gsvolu("FST2", "BOX ", idtmed[505], par, 3);
147	pMC->Gsvolu("FLT2", "BOX ", idtmed[505], par, 3);
148	pMC->Gspos("FST2", 0, "FBT2", 0., ytop, 0., 0, "ONLY");
149	pMC->Gspos("FLT2", 0, "FBT2", 0., -ytop, 0., 0, "ONLY");
150	par[2] = zm2 / 2.;
151	pMC->Gsvolu("FST3", "BOX ", idtmed[505], par, 3);
152	pMC->Gsvolu("FLT3", "BOX ", idtmed[505], par, 3);
153	pMC->Gspos("FST3", 0, "FBT3", 0., ytop, 0., 0, "ONLY");
154	pMC->Gspos("FLT3", 0, "FBT3", 0., -ytop, 0., 0, "ONLY");
155	// PPC-plate number along X axis
156	nxp = Int_t (xm / xsz);
157	// PPC-plate number along Z axis
158	nzp0 = Int_t (zm0 / zsz);
159	nzp1 = Int_t (zm1 / zsz);
160	nzp2 = Int_t (zm2 / zsz);
161	// Position of big PPC-plate
162	par[0] = xm * .5 / nxp;
163	par[2] = zm0 * .5 / nzp0;
164	pMC->Gsvolu("FSK1", "BOX ", idtmed[505], par, 3);
165	pMC->Gsvolu("FLK1", "BOX ", idtmed[505], par, 3);
166	inum = 0;
167	for (ink = 1; ink <= nxp; ++ink) {
168	xcor = xm * .5 * ((ink * 2 - 1) / (Float_t) nxp - 1.);
169	for (inz = 1; inz <= nzp0; ++inz) {
170	zcor = zm0 * .5 * ((inz * 2 - 1) / (Float_t) nzp0 - 1.);
171	++inum;
172	pMC->Gspos("FSK1", inum, "FST1", xcor, 0., zcor, 0, "ONLY");
173	pMC->Gspos("FLK1", inum, "FLT1", xcor, 0., zcor, 0, "ONLY");
174	}
175	for (inz = 1; inz <= nzp1; ++inz) {
176	zcor = zm1 * .5 * ((inz * 2 - 1) / (Float_t) nzp1 - 1.);
177	++inum;
178	pMC->Gspos("FSK1", inum, "FST2", xcor, 0., zcor, 0, "ONLY");
179	pMC->Gspos("FLK1", inum, "FLT2", xcor, 0., zcor, 0, "ONLY");
180	}
181	for (inz = 1; inz <= nzp2; ++inz) {
182	zcor = zm2 * .5 * ((inz * 2 - 1) / (Float_t) nzp2 - 1.);
183	++inum;
184	pMC->Gspos("FSK1", inum, "FST3", xcor, 0., zcor, 0, "ONLY");
185	pMC->Gspos("FLK1", inum, "FLT3", xcor, 0., zcor, 0, "ONLY");
186	}
187	}
188	par[0] = xsz / 2.;
189	par[1] = yp / 2.;
190	par[2] = zsz / 2.;
191	pMC->Gsvolu("FSL1", "BOX ", idtmed[505], par, 3);
192	pMC->Gsvolu("FLL1", "BOX ", idtmed[505], par, 3);
193	shiftx = (xp / 2. + xad / 2.) / 2.;
194	shiftz = (zm0 / nzp0 - zsz) / 2.;
195	pMC->Gspos("FSL1", 0, "FSK1", -shiftx, 0., -shiftz, 0, "ONLY");
196	pMC->Gspos("FLL1", 0, "FLK1", shiftx, 0., shiftz, 0, "ONLY");
197	// PPC position on PPC-plate
198	npx = 4;
199	npz = 8;
200	par[0] = xp / 2.;
201	par[1] = yp / 2.;
202	par[2] = zp / 2.;
203	stepx = (xad + xzd + xp * 2) / 2.;
204	stepz = (zp + zad) / 2.;
205	shiftz = npz * (zad + zp) / 2.;
206	shiftx = npx * (xp * 2 + xad + xzd) / 2.;
207	shiftx1 = (xp * 2 + xzd + xad) / 2. - xp / 2.;
208	shiftx2 = (xp * 2 + xzd + xad) / 2. - xp / 2. - xzd;
209	pMC->Gsvolu("FPG1", "BOX ", idtmed[507], par, 3);
210	for (ink = 1; ink <= npx; ++ink) {
211	xcor1 = -shiftx + stepx * (ink * 2 - 1) - shiftx1;
212	xcor2 = -shiftx + stepx * (ink * 2 - 1) + shiftx2;
213	for (inz = 1; inz <= npz; ++inz) {
214	zcor = -shiftz + stepz * (inz * 2 - 1);
215	++inum;
216	inum1 = npx * npz + inum;
217	pMC->Gspos("FPG1", inum, "FSL1", xcor1, 0., zcor, 0, "ONLY");
218	pMC->Gspos("FPG1", inum1, "FSL1", xcor2, 0., zcor, 0, "ONLY");
219	pMC->Gspos("FPG1", inum, "FLL1", xcor1, 0., zcor, 0, "ONLY");
220	pMC->Gspos("FPG1", inum1, "FLL1", xcor2, 0., zcor, 0, "ONLY");
221	}
222	}
223	par[0] = xp / 2. - dx;
224	par[1] = yp / 2. - dy;
225	par[2] = zp / 2. - dz;
226	pMC->Gsvolu("FPG2", "BOX ", idtmed[509], par, 3);
227	pMC->Gspos("FPG2", 0, "FPG1", 0., 0., 0., 0, "ONLY");
228	}
229
230	//_____________________________________________________________________________
231	void AliTOFv3::DrawDetector()
232	{
233	//
234	// Draw a shaded view of the Time Of Flight version 3
235	//
236
237	AliMC* pMC = AliMC::GetMC();
238
239	// Set everything unseen
240	pMC->Gsatt("*", "seen", -1);
241	//
242	// Set ALIC mother transparent
243	pMC->Gsatt("ALIC","SEEN",0);
244	//
245	// Set the volumes visible
246	pMC->Gsatt("ALIC","SEEN",0);
247	pMC->Gsatt("FBAR","SEEN",0);
248	pMC->Gsatt("FTO1","SEEN",0);
249	pMC->Gsatt("FTO2","SEEN",0);
250	pMC->Gsatt("FTO3","SEEN",0);
251	pMC->Gsatt("FBT1","SEEN",0);
252	pMC->Gsatt("FBT2","SEEN",0);
253	pMC->Gsatt("FBT3","SEEN",0);
254	pMC->Gsatt("FST1","SEEN",0);
255	pMC->Gsatt("FLT1","SEEN",0);
256	pMC->Gsatt("FST2","SEEN",0);
257	pMC->Gsatt("FLT2","SEEN",0);
258	pMC->Gsatt("FST3","SEEN",0);
259	pMC->Gsatt("FLT3","SEEN",0);
260	pMC->Gsatt("FSK1","SEEN",0);
261	pMC->Gsatt("FLK1","SEEN",0);
262	pMC->Gsatt("FSL1","SEEN",1);
263	pMC->Gsatt("FLL1","SEEN",1);
264	//
265	pMC->Gdopt("hide", "on");
266	pMC->Gdopt("shad", "on");
267	pMC->Gsatt("*", "fill", 7);
268	pMC->SetClipBox(".");
269	pMC->SetClipBox("*", 0, 1000, -1000, 1000, -1000, 1000);
270	pMC->DefaultRange();
271	pMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .02, .02);
272	pMC->Gdhead(1111, "Time Of Flight");
273	pMC->Gdman(18, 4, "MAN");
274	pMC->Gdopt("hide","off");
275	}
276
277	//_____________________________________________________________________________
278	void AliTOFv3::CreateMaterials()
279	{
280	//
281	// Define materials for the Time Of Flight
282	//
283	AliTOF::CreateMaterials();
284	}
285
286	//_____________________________________________________________________________
287	void AliTOFv3::Init()
288	{
289	//
290	// Initialise the detector after the geometry has been defined
291	//
292
293	AliMC* pMC = AliMC::GetMC();
294
295	AliTOF::Init();
296	fIdFTO2=pMC->VolId("FTO2");
297	fIdFTO3=pMC->VolId("FTO3");
298	fIdFLT1=pMC->VolId("FLT1");
299	fIdFLT2=pMC->VolId("FLT2");
300	fIdFLT3=pMC->VolId("FLT3");
301	}
302
303	//_____________________________________________________________________________
304	void AliTOFv3::StepManager()
305	{
306	//
307	// Procedure called at each step in the Time Of Flight
308	//
309	Float_t hits[8];
310	Int_t vol[3];
311	Int_t copy, id;
312	AliMC *pMC= AliMC::GetMC();
313	Int_t *idtmed = gAlice->Idtmed();
314	if(pMC->GetMedium()==idtmed[510-1] &&
315	pMC->TrackEntering() && pMC->TrackCharge()
316	&& pMC->CurrentVol(0,copy)==fIdSens) {
317	TClonesArray &lhits = *fHits;
318	//
319	// Record only charged tracks at entrance
320	pMC->CurrentVolOff(1,0,copy);
321	vol[2]=copy;
322	pMC->CurrentVolOff(3,0,copy);
323	vol[1]=copy;
324	id=pMC->CurrentVolOff(6,0,copy);
325	vol[0]=copy;
326	if(id==fIdFTO3) {
327	vol[0]+=22;
328	id=pMC->CurrentVolOff(4,0,copy);
329	if(id==fIdFLT3) vol[1]+=6;
330	} else if (id==fIdFTO2) {
331	vol[0]+=20;
332	id=pMC->CurrentVolOff(4,0,copy);
333	if(id==fIdFLT2) vol[1]+=8;
334	} else {
335	id=pMC->CurrentVolOff(4,0,copy);
336	if(id==fIdFLT1) vol[1]+=14;
337	}
338	pMC->TrackPosition(hits);
339	pMC->TrackMomentum(&hits[3]);
340	hits[7]=pMC->TrackTime();
341	new(lhits[fNhits++]) AliTOFhit(fIshunt,gAlice->CurrentTrack(),vol,hits);
342	}
343	}