[u/mrichter/AliRoot.git] / TOF / AliTOFv2.cxx

///////////////////////////////////////////////////////////////////////////////
//                                                                           //
//  Time Of Flight: design of P.Fonte                                        //
//  This class contains the functions for version 2 of the Time Of Flight    //
//  detector.                                                                //
//                                                                           //
//Begin_Html
/*
<img src="picts/AliTOFv2Class.gif">
*/
//End_Html
//                                                                           //
///////////////////////////////////////////////////////////////////////////////

#include "AliTOFv2.h"
#include "AliRun.h"
#include "AliConst.h"
 
ClassImp(AliTOFv2)
 
//_____________________________________________________________________________
AliTOFv2::AliTOFv2()
{
  //
  // Default constructor
  //
}
 
//_____________________________________________________________________________
AliTOFv2::AliTOFv2(const char *name, const char *title)
       : AliTOF(name,title)
{
  //
  // Standard constructor
  //
}
 
//_____________________________________________________________________________
void AliTOFv2::CreateGeometry()
{
  //
  // Create geometry for Time Of Flight version 0
  //
  //Begin_Html
  /*
    <img src="picts/AliTOFv2.gif">
  */
  //End_Html
  //
  //
  // Create common geometry
  //
  AliTOF::CreateGeometry();
}
 
//_____________________________________________________________________________
void AliTOFv2::TOFpc(Float_t xm, Float_t ym, Float_t zm0,
		     Float_t zm1, Float_t zm2)
{
  //
  // Definition of the Time Of Fligh Resistive Plate Chambers
  // xm, ym, zm - sizes of TOF modules (large)
  
  Int_t inum;
  Float_t xcor, ycor, zcor, ycoor;
  Float_t zazor, dx, dy, dz, xp, yp, zp, ywidth;
  Int_t ink;
  Float_t par[10];
  Int_t inz, nxp, npx, npz;
  Float_t xsz, ysz, zsz;
  Int_t nzp0, nzp1, nzp2;
  
  Int_t *idtmed = fIdtmed->GetArray()-499;
  
  // X size of small RPC plate G10 
  xsz = 60.;
  // Y size (thickness) of large && small RPC plate G10 
  ysz = .26;
  // Z size of small RPC plate G10
  zsz = 50.;
  // Width of CO2 box with RPC
  ywidth = 4.;
  // Frame width along X,Y and Z axis of RPC chambers 
  dx = 0.;
  dy = .3; //this is 1mm(ceramic) + 1mm(Al) + 1mm(polyethelene) 
  dz = 0.;
  // gap in RPC chamber 
  zazor = .03;
  // Sizes of RPC chamber 
  xp = 3.06; //small pixel
//xp = 3.9; //large pixel 
  yp = zazor + dy * 2; //=0.83cm total thickness of RPC
  zp = 3.06; //small pixel
//zp = 4.1; //large pixel
  // Large not sensitive volumes with CO2 
  par[0] = xm / 2.;
  par[1] = ywidth / 2.;
  par[2] = zm0 / 2.;
  gMC->Gsvolu("FBT1", "BOX ", idtmed[506], par, 3); // CO2
  gMC->Gspos("FBT1", 0, "FTO1", 0., 0., 0., 0, "ONLY");
  par[2] = zm1 / 2.;
  gMC->Gsvolu("FBT2", "BOX ", idtmed[506], par, 3); // CO2
  gMC->Gspos("FBT2", 1, "FTO2", 0., 0., 0., 0, "ONLY");
  par[2] = zm2 / 2.;
  gMC->Gsvolu("FBT3", "BOX ", idtmed[506], par, 3); // CO2
  gMC->Gspos("FBT3", 2, "FTO3", 0., 0., 0., 0, "ONLY");
  // Large electronic plate (G10) after
  par[0] = xm / 2.;
  par[1] = ysz / 2.;
  par[2] = zm0 / 2.;
  ycoor = yp + par[1];
  gMC->Gsvolu("FPE1", "BOX ", idtmed[504], par, 3); // G10
  gMC->Gspos("FPE1", 0, "FBT1", 0., ycoor, 0., 0, "ONLY");
  par[2] = zm1 / 2.;
  gMC->Gsvolu("FPE2", "BOX ", idtmed[504], par, 3); // G10
  gMC->Gspos("FPE2", 0, "FBT2", 0., ycoor, 0., 0, "ONLY");
  par[2] = zm2 / 2.;
  gMC->Gsvolu("FPE3", "BOX ", idtmed[504], par, 3); // G10
  gMC->Gspos("FPE3", 0, "FBT3", 0., ycoor, 0., 0, "ONLY");
  // Electronics (5cm thick) after
  //first - Cu (0.02574cm thick - 1.8% X0)
  par[0] = xm / 2.;
  par[1] = 0.02574 / 2.;
  par[2] = zm0 / 2.;
  ycoor = yp + ysz + 5/2 - par[1];
  gMC->Gsvolu("FEC1", "BOX ", idtmed[501], par, 3); // Cu
  gMC->Gspos("FEC1", 0, "FBT1", 0., ycoor, 0., 0, "ONLY");
  par[2] = zm1 / 2.;
  gMC->Gsvolu("FEC2", "BOX ", idtmed[501], par, 3); // Cu
  gMC->Gspos("FEC2", 0, "FBT2", 0., ycoor, 0., 0, "ONLY");
  par[2] = zm2 / 2.;
  gMC->Gsvolu("FEC3", "BOX ", idtmed[501], par, 3); // Cu
  gMC->Gspos("FEC3", 0, "FBT3", 0., ycoor, 0., 0, "ONLY");
  //second - G10 (0.2328cm thick - 1.2% X0)
  par[0] = xm / 2.;
  par[1] = 0.2328 / 2.;
  par[2] = zm0 / 2.;
  ycoor = yp + ysz + 5/2 + par[1];
  gMC->Gsvolu("FEG1", "BOX ", idtmed[504], par, 3); // G10
  gMC->Gspos("FEG1", 0, "FBT1", 0., ycoor, 0., 0, "ONLY");
  par[2] = zm1 / 2.;
  gMC->Gsvolu("FEG2", "BOX ", idtmed[504], par, 3); // G10
  gMC->Gspos("FEG2", 0, "FBT2", 0., ycoor, 0., 0, "ONLY");
  par[2] = zm2 / 2.;
  gMC->Gsvolu("FEG3", "BOX ", idtmed[504], par, 3); // G10
  gMC->Gspos("FEG3", 0, "FBT3", 0., ycoor, 0., 0, "ONLY");
  // Al support (5mm thick) after
  par[0] = xm / 2.;
  par[1] = 0.5 / 2.;
  par[2] = zm0 / 2.;
  ycoor = yp + ysz + par[1];
  gMC->Gsvolu("FSP1", "BOX ", idtmed[508], par, 3); // Al
  gMC->Gspos("FSP1", 0, "FBT1", 0., ycoor, 0., 0, "ONLY");
  par[2] = zm1 / 2.;
  gMC->Gsvolu("FSP2", "BOX ", idtmed[508], par, 3); // Al
  gMC->Gspos("FSP2", 0, "FBT2", 0., ycoor, 0., 0, "ONLY");
  par[2] = zm2 / 2.;
  gMC->Gsvolu("FSP3", "BOX ", idtmed[508], par, 3); // Al
  gMC->Gspos("FSP3", 0, "FBT3", 0., ycoor, 0., 0, "ONLY");
  // Mylar layer in front 0.5mm thick at 5mm from detector
  par[0] = xm / 2.;
  par[1] = 0.05 / 2;
  par[2] = zm0 / 2.;
  ycoor = -yp - 0.5 - par[1];
  gMC->Gsvolu("FMY1", "BOX ", idtmed[511], par, 3); // G10
  gMC->Gspos("FMY1", 0, "FBT1", 0., ycoor, 0., 0, "ONLY");
  par[2] = zm1 / 2.;
  gMC->Gsvolu("FMY2", "BOX ", idtmed[511], par, 3); // G10
  gMC->Gspos("FMY2", 0, "FBT2", 0., ycoor, 0., 0, "ONLY");
  par[2] = zm2 / 2.;
  gMC->Gsvolu("FMY3", "BOX ", idtmed[511], par, 3); // G10
  gMC->Gspos("FMY3", 0, "FBT3", 0., ycoor, 0., 0, "ONLY");
  //  insensitive volumes - large box for RPCs 
  par[1] = yp; // two times thicker than RPC
  par[2] = zm0 / 2.;
  gMC->Gsvolu("FLT1", "BOX ", idtmed[512], par, 3); //Freon not senc.
  gMC->Gspos("FLT1", 0, "FBT1", 0., 0., 0., 0, "ONLY");
  par[2] = zm1 / 2.;
  gMC->Gsvolu("FLT2", "BOX ", idtmed[512], par, 3); //Freon not senc.
  gMC->Gspos("FLT2", 0, "FBT2", 0., 0., 0., 0, "ONLY");
  par[2] = zm2 / 2.;
  gMC->Gsvolu("FLT3", "BOX ", idtmed[512], par, 3); //Freon not senc.
  gMC->Gspos("FLT3", 0, "FBT3", 0., 0., 0., 0, "ONLY");
  // RPC box (small plate) number along X axis 
  nxp = Int_t (xm / xsz);
  // RPC box (small plate) number along Z axis 
  nzp0 = Int_t (zm0 / zsz);
  nzp1 = Int_t (zm1 / zsz);
  nzp2 = Int_t (zm2 / zsz);
  // (small) box (plate) for RPC size with insencitive Freon
  par[0] = xm * .5 / nxp;
  par[1] = yp; // two times thicker than RPC
  par[2] = zm0 * .5 / nzp0;
  gMC->Gsvolu("FLK0", "BOX ", idtmed[512], par, 3); //Freon not sencitive
  // Position of (small) RPC boxes 
  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;
      gMC->Gspos("FLK0", inum, "FLT1", xcor, 0., zcor, 0, "ONLY");
    }
    for (inz = 1; inz <= nzp1; ++inz) {
      zcor = zm1 * .5 * ((inz * 2 - 1) / (Float_t) nzp1 - 1.);
      ++inum;
      gMC->Gspos("FLK0", inum, "FLT2", xcor, 0., zcor, 0, "ONLY");
    }
    for (inz = 1; inz <= nzp2; ++inz) {
      zcor = zm2 * .5 * ((inz * 2 - 1) / (Float_t) nzp2 - 1.);
      ++inum;
      gMC->Gspos("FLK0", inum, "FLT3", xcor, 0., zcor, 0, "ONLY");
    }
  }
  // Polyethilene boxes for RPC cell
  npx = 19; //number of small pixels along X
  npz = 16; //number of small pixels along Z
  //  npx = 15; //large pixel
  //  npz = 12; //large pixel
  par[0] = xsz * .5 / npx;
  par[1] = yp/2; 
  par[2] = zsz * .5 / npz;
  gMC->Gsvolu("FPP0", "BOX ", idtmed[503], par, 3); // Polyethilene
  inum = 0;
  for (ink = 1; ink <= npx; ++ink) {
    xcor = xsz * .5 * ((ink * 2 - 1) / (Float_t) npx - 1.);
    if (ink%2 != 0) ycor=yp/2; else ycor=-yp/2;
    for (inz = 1; inz <= npz; ++inz) {
      zcor = zsz * .5 * ((inz * 2 - 1) / (Float_t) npz - 1.);
      ++inum;
      gMC->Gspos("FPP0", inum, "FLK0", xcor, ycor, zcor, 0, "ONLY");
      ycor=-ycor;
    }
  }
  //Al RPC geometry 
  par[0] = xp / 2.;
  par[1] = yp / 2. - 0.1; //minus 1mm of poliethelene
  par[2] = zp / 2.;
  gMC->Gsvolu("FPA0", "BOX ", idtmed[508], par, 3);// Al
  gMC->Gspos("FPA0", inum, "FPP0", 0., 0., 0., 0, "ONLY");
  //Ceramic RPC geometry 
  par[0] = xp / 2.;
  par[1] = par[1] - 0.1; //minus 1mm of Al
  par[2] = zp / 2.;
  gMC->Gsvolu("FPC0", "BOX ", idtmed[507], par, 3);// Ceramic
  gMC->Gspos("FPC0", inum, "FPA0", 0., 0., 0., 0, "ONLY");
  // Freon gas sencitive volume
  par[0] = xp / 2. - dx;
  par[1] = yp / 2. - dy;
  par[2] = zp / 2. - dz;
  gMC->Gsvolu("FPG0", "BOX ", idtmed[513], par, 3);// Freon 
  gMC->Gspos("FPG0", 0, "FPC0", 0., 0., 0., 0, "ONLY");
}

//_____________________________________________________________________________
void AliTOFv2::DrawModule()
{
  //
  // Draw a shaded view of the Time Of Flight version 2
  //
  // Set everything unseen
  gMC->Gsatt("*", "seen", -1);
  // 
  // Set ALIC mother transparent
  gMC->Gsatt("ALIC","SEEN",0);
  //
  // Set the volumes visible
  gMC->Gsatt("ALIC","SEEN",0);
  gMC->Gsatt("FBAR","SEEN",0);
  gMC->Gsatt("FTO1","SEEN",0);
  gMC->Gsatt("FTO2","SEEN",0);
  gMC->Gsatt("FTO3","SEEN",0);
  gMC->Gsatt("FBT1","SEEN",0);
  gMC->Gsatt("FBT2","SEEN",0);
  gMC->Gsatt("FBT3","SEEN",0);
  gMC->Gsatt("FLT1","SEEN",0);
  gMC->Gsatt("FLT2","SEEN",0);
  gMC->Gsatt("FLT3","SEEN",0);
  gMC->Gsatt("FLK0","SEEN",1);
  //
  gMC->Gdopt("hide", "on");
  gMC->Gdopt("shad", "on");
  gMC->Gsatt("*", "fill", 7);
  gMC->SetClipBox(".");
  gMC->SetClipBox("*", 0, 1000, -1000, 1000, -1000, 1000);
  gMC->DefaultRange();
  gMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .02, .02);
  gMC->Gdhead(1111, "Time Of Flight");
  gMC->Gdman(18, 4, "MAN");
  gMC->Gdopt("hide","off");
}

//_____________________________________________________________________________
void AliTOFv2::CreateMaterials()
{
  //
  // Define materials for the Time Of Flight
  //
  AliTOF::CreateMaterials();
}
 
//_____________________________________________________________________________
void AliTOFv2::Init()
{
  //
  // Initialise the detector after the geometry has been defined
  //
  AliTOF::Init();
  fIdFTO2=gMC->VolId("FTO2");
  fIdFTO3=gMC->VolId("FTO3");
  fIdFLT1=gMC->VolId("FLT1");
  fIdFLT2=gMC->VolId("FLT2");
  fIdFLT3=gMC->VolId("FLT3");
}
 
//_____________________________________________________________________________
void AliTOFv2::StepManager()
{
  //
  // Procedure called at each step in the Time Of Flight
  //
  TLorentzVector mom, pos;
  Float_t hits[8];
  Int_t vol[3];
  Int_t copy, id, i;
  Int_t *idtmed = fIdtmed->GetArray()-499;
  if(gMC->GetMedium()==idtmed[514-1] && 
     gMC->IsTrackEntering() && gMC->TrackCharge()
     && gMC->CurrentVolID(copy)==fIdSens) {
    TClonesArray &lhits = *fHits;
    //
    // Record only charged tracks at entrance
    gMC->CurrentVolOffID(1,copy);
    vol[2]=copy;
    gMC->CurrentVolOffID(3,copy);
    vol[1]=copy;
    id=gMC->CurrentVolOffID(6,copy);
    vol[0]=copy;
    if(id==fIdFTO3) {
      vol[0]+=22;
      id=gMC->CurrentVolOffID(4,copy);
      if(id==fIdFLT3) vol[1]+=4;
    } else if (id==fIdFTO2) {
      vol[0]+=20;
      id=gMC->CurrentVolOffID(4,copy);
      if(id==fIdFLT2) vol[1]+=8;
    } else {
      id=gMC->CurrentVolOffID(4,copy);
      if(id==fIdFLT1) vol[1]+=14;
    }
    gMC->TrackPosition(pos);
    gMC->TrackMomentum(mom);
    //
    Double_t ptot=mom.Rho();
    Double_t norm=1/ptot;
    for(i=0;i<3;++i) {
      hits[i]=pos[i];
      hits[i+3]=mom[i]*norm;
    }
    hits[6]=ptot;
    hits[7]=pos[3];
    new(lhits[fNhits++]) AliTOFhit(fIshunt,gAlice->CurrentTrack(),vol,hits);
  }
}
Commit	Line	Data
fe4da5cc	1	///////////////////////////////////////////////////////////////////////////////
fe4da5cc	2	// //
3fe3a833	3	// Time Of Flight: design of P.Fonte //
fe4da5cc	4	// This class contains the functions for version 2 of the Time Of Flight //
	5	// detector. //
	6	// //
	7	//Begin_Html
	8	/*
3fe3a833	9	<img src="picts/AliTOFv2Class.gif">
fe4da5cc	10	*/
	11	//End_Html
	12	// //
	13	///////////////////////////////////////////////////////////////////////////////
	14
	15	#include "AliTOFv2.h"
fe4da5cc	16	#include "AliRun.h"
fe4da5cc	17	#include "AliConst.h"
	18
	19	ClassImp(AliTOFv2)
	20
	21	//_____________________________________________________________________________
151e057e	22	AliTOFv2::AliTOFv2()
fe4da5cc	23	{
	24	//
	25	// Default constructor
	26	//
	27	}
	28
	29	//_____________________________________________________________________________
	30	AliTOFv2::AliTOFv2(const char name, const char title)
	31	: AliTOF(name,title)
	32	{
	33	//
	34	// Standard constructor
	35	//
	36	}
	37
	38	//_____________________________________________________________________________
	39	void AliTOFv2::CreateGeometry()
	40	{
	41	//
3fe3a833	42	// Create geometry for Time Of Flight version 0
fe4da5cc	43	//
	44	//Begin_Html
	45	/*
3fe3a833	46	<img src="picts/AliTOFv2.gif">
fe4da5cc	47	*/
	48	//End_Html
	49	//
fe4da5cc	50	//
3fe3a833	51	// Create common geometry
fe4da5cc	52	//
	53	AliTOF::CreateGeometry();
	54	}
	55
	56	//_____________________________________________________________________________
	57	void AliTOFv2::TOFpc(Float_t xm, Float_t ym, Float_t zm0,
	58	Float_t zm1, Float_t zm2)
	59	{
	60	//
	61	// Definition of the Time Of Fligh Resistive Plate Chambers
3fe3a833	62	// xm, ym, zm - sizes of TOF modules (large)
3fe3a833	63
fe4da5cc	64	Int_t inum;
3fe3a833	65	Float_t xcor, ycor, zcor, ycoor;
fe4da5cc	66	Float_t zazor, dx, dy, dz, xp, yp, zp, ywidth;
	67	Int_t ink;
	68	Float_t par[10];
	69	Int_t inz, nxp, npx, npz;
	70	Float_t xsz, ysz, zsz;
	71	Int_t nzp0, nzp1, nzp2;
	72
ad51aeb0	73	Int_t *idtmed = fIdtmed->GetArray()-499;
fe4da5cc	74
3fe3a833	75	// X size of small RPC plate G10
fe4da5cc	76	xsz = 60.;
3fe3a833	77	// Y size (thickness) of large && small RPC plate G10
	78	ysz = .26;
	79	// Z size of small RPC plate G10
fe4da5cc	80	zsz = 50.;
3fe3a833	81	// Width of CO2 box with RPC
fe4da5cc	82	ywidth = 4.;
	83	// Frame width along X,Y and Z axis of RPC chambers
	84	dx = 0.;
3fe3a833	85	dy = .3; //this is 1mm(ceramic) + 1mm(Al) + 1mm(polyethelene)
fe4da5cc	86	dz = 0.;
	87	// gap in RPC chamber
	88	zazor = .03;
3fe3a833	89	// Sizes of RPC chamber
	90	xp = 3.06; //small pixel
	91	//xp = 3.9; //large pixel
	92	yp = zazor + dy * 2; //=0.83cm total thickness of RPC
	93	zp = 3.06; //small pixel
	94	//zp = 4.1; //large pixel
	95	// Large not sensitive volumes with CO2
fe4da5cc	96	par[0] = xm / 2.;
	97	par[1] = ywidth / 2.;
	98	par[2] = zm0 / 2.;
3fe3a833	99	gMC->Gsvolu("FBT1", "BOX ", idtmed[506], par, 3); // CO2
cfce8870	100	gMC->Gspos("FBT1", 0, "FTO1", 0., 0., 0., 0, "ONLY");
fe4da5cc	101	par[2] = zm1 / 2.;
3fe3a833	102	gMC->Gsvolu("FBT2", "BOX ", idtmed[506], par, 3); // CO2
cfce8870	103	gMC->Gspos("FBT2", 1, "FTO2", 0., 0., 0., 0, "ONLY");
fe4da5cc	104	par[2] = zm2 / 2.;
3fe3a833	105	gMC->Gsvolu("FBT3", "BOX ", idtmed[506], par, 3); // CO2
cfce8870	106	gMC->Gspos("FBT3", 2, "FTO3", 0., 0., 0., 0, "ONLY");
3fe3a833	107	// Large electronic plate (G10) after
3fe3a833	108	par[0] = xm / 2.;
fe4da5cc	109	par[1] = ysz / 2.;
fe4da5cc	110	par[2] = zm0 / 2.;
3fe3a833	111	ycoor = yp + par[1];
3fe3a833	112	gMC->Gsvolu("FPE1", "BOX ", idtmed[504], par, 3); // G10
cfce8870	113	gMC->Gspos("FPE1", 0, "FBT1", 0., ycoor, 0., 0, "ONLY");
fe4da5cc	114	par[2] = zm1 / 2.;
3fe3a833	115	gMC->Gsvolu("FPE2", "BOX ", idtmed[504], par, 3); // G10
cfce8870	116	gMC->Gspos("FPE2", 0, "FBT2", 0., ycoor, 0., 0, "ONLY");
fe4da5cc	117	par[2] = zm2 / 2.;
3fe3a833	118	gMC->Gsvolu("FPE3", "BOX ", idtmed[504], par, 3); // G10
cfce8870	119	gMC->Gspos("FPE3", 0, "FBT3", 0., ycoor, 0., 0, "ONLY");
3fe3a833	120	// Electronics (5cm thick) after
	121	//first - Cu (0.02574cm thick - 1.8% X0)
	122	par[0] = xm / 2.;
	123	par[1] = 0.02574 / 2.;
	124	par[2] = zm0 / 2.;
	125	ycoor = yp + ysz + 5/2 - par[1];
	126	gMC->Gsvolu("FEC1", "BOX ", idtmed[501], par, 3); // Cu
	127	gMC->Gspos("FEC1", 0, "FBT1", 0., ycoor, 0., 0, "ONLY");
	128	par[2] = zm1 / 2.;
	129	gMC->Gsvolu("FEC2", "BOX ", idtmed[501], par, 3); // Cu
	130	gMC->Gspos("FEC2", 0, "FBT2", 0., ycoor, 0., 0, "ONLY");
	131	par[2] = zm2 / 2.;
	132	gMC->Gsvolu("FEC3", "BOX ", idtmed[501], par, 3); // Cu
	133	gMC->Gspos("FEC3", 0, "FBT3", 0., ycoor, 0., 0, "ONLY");
	134	//second - G10 (0.2328cm thick - 1.2% X0)
	135	par[0] = xm / 2.;
	136	par[1] = 0.2328 / 2.;
	137	par[2] = zm0 / 2.;
	138	ycoor = yp + ysz + 5/2 + par[1];
	139	gMC->Gsvolu("FEG1", "BOX ", idtmed[504], par, 3); // G10
	140	gMC->Gspos("FEG1", 0, "FBT1", 0., ycoor, 0., 0, "ONLY");
	141	par[2] = zm1 / 2.;
	142	gMC->Gsvolu("FEG2", "BOX ", idtmed[504], par, 3); // G10
	143	gMC->Gspos("FEG2", 0, "FBT2", 0., ycoor, 0., 0, "ONLY");
	144	par[2] = zm2 / 2.;
	145	gMC->Gsvolu("FEG3", "BOX ", idtmed[504], par, 3); // G10
	146	gMC->Gspos("FEG3", 0, "FBT3", 0., ycoor, 0., 0, "ONLY");
	147	// Al support (5mm thick) after
	148	par[0] = xm / 2.;
	149	par[1] = 0.5 / 2.;
fe4da5cc	150	par[2] = zm0 / 2.;
3fe3a833	151	ycoor = yp + ysz + par[1];
	152	gMC->Gsvolu("FSP1", "BOX ", idtmed[508], par, 3); // Al
	153	gMC->Gspos("FSP1", 0, "FBT1", 0., ycoor, 0., 0, "ONLY");
fe4da5cc	154	par[2] = zm1 / 2.;
3fe3a833	155	gMC->Gsvolu("FSP2", "BOX ", idtmed[508], par, 3); // Al
3fe3a833	156	gMC->Gspos("FSP2", 0, "FBT2", 0., ycoor, 0., 0, "ONLY");
fe4da5cc	157	par[2] = zm2 / 2.;
3fe3a833	158	gMC->Gsvolu("FSP3", "BOX ", idtmed[508], par, 3); // Al
	159	gMC->Gspos("FSP3", 0, "FBT3", 0., ycoor, 0., 0, "ONLY");
	160	// Mylar layer in front 0.5mm thick at 5mm from detector
	161	par[0] = xm / 2.;
	162	par[1] = 0.05 / 2;
	163	par[2] = zm0 / 2.;
	164	ycoor = -yp - 0.5 - par[1];
	165	gMC->Gsvolu("FMY1", "BOX ", idtmed[511], par, 3); // G10
	166	gMC->Gspos("FMY1", 0, "FBT1", 0., ycoor, 0., 0, "ONLY");
	167	par[2] = zm1 / 2.;
	168	gMC->Gsvolu("FMY2", "BOX ", idtmed[511], par, 3); // G10
	169	gMC->Gspos("FMY2", 0, "FBT2", 0., ycoor, 0., 0, "ONLY");
	170	par[2] = zm2 / 2.;
	171	gMC->Gsvolu("FMY3", "BOX ", idtmed[511], par, 3); // G10
	172	gMC->Gspos("FMY3", 0, "FBT3", 0., ycoor, 0., 0, "ONLY");
	173	// insensitive volumes - large box for RPCs
	174	par[1] = yp; // two times thicker than RPC
	175	par[2] = zm0 / 2.;
	176	gMC->Gsvolu("FLT1", "BOX ", idtmed[512], par, 3); //Freon not senc.
	177	gMC->Gspos("FLT1", 0, "FBT1", 0., 0., 0., 0, "ONLY");
	178	par[2] = zm1 / 2.;
	179	gMC->Gsvolu("FLT2", "BOX ", idtmed[512], par, 3); //Freon not senc.
	180	gMC->Gspos("FLT2", 0, "FBT2", 0., 0., 0., 0, "ONLY");
	181	par[2] = zm2 / 2.;
	182	gMC->Gsvolu("FLT3", "BOX ", idtmed[512], par, 3); //Freon not senc.
	183	gMC->Gspos("FLT3", 0, "FBT3", 0., 0., 0., 0, "ONLY");
	184	// RPC box (small plate) number along X axis
fe4da5cc	185	nxp = Int_t (xm / xsz);
3fe3a833	186	// RPC box (small plate) number along Z axis
fe4da5cc	187	nzp0 = Int_t (zm0 / zsz);
	188	nzp1 = Int_t (zm1 / zsz);
	189	nzp2 = Int_t (zm2 / zsz);
3fe3a833	190	// (small) box (plate) for RPC size with insencitive Freon
fe4da5cc	191	par[0] = xm * .5 / nxp;
3fe3a833	192	par[1] = yp; // two times thicker than RPC
fe4da5cc	193	par[2] = zm0 * .5 / nzp0;
3fe3a833	194	gMC->Gsvolu("FLK0", "BOX ", idtmed[512], par, 3); //Freon not sencitive
3fe3a833	195	// Position of (small) RPC boxes
fe4da5cc	196	inum = 0;
fe4da5cc	197	for (ink = 1; ink <= nxp; ++ink) {
3fe3a833	198	xcor = xm * .5 * ((ink * 2 - 1) / (Float_t) nxp - 1.);
fe4da5cc	199	for (inz = 1; inz <= nzp0; ++inz) {
	200	zcor = zm0 * .5 * ((inz * 2 - 1) / (Float_t) nzp0 - 1.);
	201	++inum;
3fe3a833	202	gMC->Gspos("FLK0", inum, "FLT1", xcor, 0., zcor, 0, "ONLY");
fe4da5cc	203	}
	204	for (inz = 1; inz <= nzp1; ++inz) {
	205	zcor = zm1 * .5 * ((inz * 2 - 1) / (Float_t) nzp1 - 1.);
	206	++inum;
3fe3a833	207	gMC->Gspos("FLK0", inum, "FLT2", xcor, 0., zcor, 0, "ONLY");
fe4da5cc	208	}
	209	for (inz = 1; inz <= nzp2; ++inz) {
	210	zcor = zm2 * .5 * ((inz * 2 - 1) / (Float_t) nzp2 - 1.);
	211	++inum;
3fe3a833	212	gMC->Gspos("FLK0", inum, "FLT3", xcor, 0., zcor, 0, "ONLY");
fe4da5cc	213	}
fe4da5cc	214	}
3fe3a833	215	// Polyethilene boxes for RPC cell
	216	npx = 19; //number of small pixels along X
	217	npz = 16; //number of small pixels along Z
	218	// npx = 15; //large pixel
	219	// npz = 12; //large pixel
fe4da5cc	220	par[0] = xsz * .5 / npx;
3fe3a833	221	par[1] = yp/2;
fe4da5cc	222	par[2] = zsz * .5 / npz;
3fe3a833	223	gMC->Gsvolu("FPP0", "BOX ", idtmed[503], par, 3); // Polyethilene
fe4da5cc	224	inum = 0;
	225	for (ink = 1; ink <= npx; ++ink) {
	226	xcor = xsz * .5 * ((ink * 2 - 1) / (Float_t) npx - 1.);
3fe3a833	227	if (ink%2 != 0) ycor=yp/2; else ycor=-yp/2;
fe4da5cc	228	for (inz = 1; inz <= npz; ++inz) {
	229	zcor = zsz * .5 * ((inz * 2 - 1) / (Float_t) npz - 1.);
	230	++inum;
3fe3a833	231	gMC->Gspos("FPP0", inum, "FLK0", xcor, ycor, zcor, 0, "ONLY");
3fe3a833	232	ycor=-ycor;
fe4da5cc	233	}
fe4da5cc	234	}
3fe3a833	235	//Al RPC geometry
	236	par[0] = xp / 2.;
	237	par[1] = yp / 2. - 0.1; //minus 1mm of poliethelene
	238	par[2] = zp / 2.;
	239	gMC->Gsvolu("FPA0", "BOX ", idtmed[508], par, 3);// Al
	240	gMC->Gspos("FPA0", inum, "FPP0", 0., 0., 0., 0, "ONLY");
	241	//Ceramic RPC geometry
fe4da5cc	242	par[0] = xp / 2.;
3fe3a833	243	par[1] = par[1] - 0.1; //minus 1mm of Al
fe4da5cc	244	par[2] = zp / 2.;
3fe3a833	245	gMC->Gsvolu("FPC0", "BOX ", idtmed[507], par, 3);// Ceramic
	246	gMC->Gspos("FPC0", inum, "FPA0", 0., 0., 0., 0, "ONLY");
	247	// Freon gas sencitive volume
fe4da5cc	248	par[0] = xp / 2. - dx;
	249	par[1] = yp / 2. - dy;
	250	par[2] = zp / 2. - dz;
3fe3a833	251	gMC->Gsvolu("FPG0", "BOX ", idtmed[513], par, 3);// Freon
3fe3a833	252	gMC->Gspos("FPG0", 0, "FPC0", 0., 0., 0., 0, "ONLY");
fe4da5cc	253	}
	254
	255	//_____________________________________________________________________________
8f72dc0c	256	void AliTOFv2::DrawModule()
fe4da5cc	257	{
	258	//
	259	// Draw a shaded view of the Time Of Flight version 2
	260	//
fe4da5cc	261	// Set everything unseen
cfce8870	262	gMC->Gsatt("*", "seen", -1);
fe4da5cc	263	//
fe4da5cc	264	// Set ALIC mother transparent
cfce8870	265	gMC->Gsatt("ALIC","SEEN",0);
fe4da5cc	266	//
fe4da5cc	267	// Set the volumes visible
cfce8870	268	gMC->Gsatt("ALIC","SEEN",0);
	269	gMC->Gsatt("FBAR","SEEN",0);
	270	gMC->Gsatt("FTO1","SEEN",0);
	271	gMC->Gsatt("FTO2","SEEN",0);
	272	gMC->Gsatt("FTO3","SEEN",0);
	273	gMC->Gsatt("FBT1","SEEN",0);
	274	gMC->Gsatt("FBT2","SEEN",0);
	275	gMC->Gsatt("FBT3","SEEN",0);
	276	gMC->Gsatt("FLT1","SEEN",0);
	277	gMC->Gsatt("FLT2","SEEN",0);
	278	gMC->Gsatt("FLT3","SEEN",0);
3fe3a833	279	gMC->Gsatt("FLK0","SEEN",1);
fe4da5cc	280	//
cfce8870	281	gMC->Gdopt("hide", "on");
	282	gMC->Gdopt("shad", "on");
	283	gMC->Gsatt("*", "fill", 7);
	284	gMC->SetClipBox(".");
	285	gMC->SetClipBox("*", 0, 1000, -1000, 1000, -1000, 1000);
	286	gMC->DefaultRange();
	287	gMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .02, .02);
	288	gMC->Gdhead(1111, "Time Of Flight");
	289	gMC->Gdman(18, 4, "MAN");
	290	gMC->Gdopt("hide","off");
fe4da5cc	291	}
	292
	293	//_____________________________________________________________________________
	294	void AliTOFv2::CreateMaterials()
	295	{
	296	//
	297	// Define materials for the Time Of Flight
	298	//
	299	AliTOF::CreateMaterials();
	300	}
	301
	302	//_____________________________________________________________________________
	303	void AliTOFv2::Init()
	304	{
	305	//
	306	// Initialise the detector after the geometry has been defined
	307	//
fe4da5cc	308	AliTOF::Init();
cfce8870	309	fIdFTO2=gMC->VolId("FTO2");
	310	fIdFTO3=gMC->VolId("FTO3");
	311	fIdFLT1=gMC->VolId("FLT1");
	312	fIdFLT2=gMC->VolId("FLT2");
	313	fIdFLT3=gMC->VolId("FLT3");
fe4da5cc	314	}
	315
	316	//_____________________________________________________________________________
	317	void AliTOFv2::StepManager()
	318	{
	319	//
	320	// Procedure called at each step in the Time Of Flight
	321	//
3fe3a833	322	TLorentzVector mom, pos;
fe4da5cc	323	Float_t hits[8];
fe4da5cc	324	Int_t vol[3];
0a6d8768	325	Int_t copy, id, i;
ad51aeb0	326	Int_t *idtmed = fIdtmed->GetArray()-499;
3fe3a833	327	if(gMC->GetMedium()==idtmed[514-1] &&
0a6d8768	328	gMC->IsTrackEntering() && gMC->TrackCharge()
0a6d8768	329	&& gMC->CurrentVolID(copy)==fIdSens) {
fe4da5cc	330	TClonesArray &lhits = *fHits;
	331	//
	332	// Record only charged tracks at entrance
0a6d8768	333	gMC->CurrentVolOffID(1,copy);
fe4da5cc	334	vol[2]=copy;
0a6d8768	335	gMC->CurrentVolOffID(3,copy);
fe4da5cc	336	vol[1]=copy;
0a6d8768	337	id=gMC->CurrentVolOffID(6,copy);
fe4da5cc	338	vol[0]=copy;
	339	if(id==fIdFTO3) {
	340	vol[0]+=22;
0a6d8768	341	id=gMC->CurrentVolOffID(4,copy);
3fe3a833	342	if(id==fIdFLT3) vol[1]+=4;
fe4da5cc	343	} else if (id==fIdFTO2) {
fe4da5cc	344	vol[0]+=20;
0a6d8768	345	id=gMC->CurrentVolOffID(4,copy);
fe4da5cc	346	if(id==fIdFLT2) vol[1]+=8;
fe4da5cc	347	} else {
0a6d8768	348	id=gMC->CurrentVolOffID(4,copy);
fe4da5cc	349	if(id==fIdFLT1) vol[1]+=14;
fe4da5cc	350	}
0a6d8768	351	gMC->TrackPosition(pos);
0a6d8768	352	gMC->TrackMomentum(mom);
3fe3a833	353	//
0a6d8768	354	Double_t ptot=mom.Rho();
	355	Double_t norm=1/ptot;
	356	for(i=0;i<3;++i) {
	357	hits[i]=pos[i];
	358	hits[i+3]=mom[i]*norm;
	359	}
	360	hits[6]=ptot;
	361	hits[7]=pos[3];
fe4da5cc	362	new(lhits[fNhits++]) AliTOFhit(fIshunt,gAlice->CurrentTrack(),vol,hits);
	363	}
	364	}