[u/mrichter/AliRoot.git] / TOF / AliTOFv4.cxx

/**************************************************************************
 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
 *                                                                        *
 * Author: The ALICE Off-line Project.                                    *
 * Contributors are mentioned in the code where appropriate.              *
 *                                                                        *
 * Permission to use, copy, modify and distribute this software and its   *
 * documentation strictly for non-commercial purposes is hereby granted   *
 * without fee, provided that the above copyright notice appears in all   *
 * copies and that both the copyright notice and this permission notice   *
 * appear in the supporting documentation. The authors make no claims     *
 * about the suitability of this software for any purpose. It is          *
 * provided "as is" without express or implied warranty.                  *
 **************************************************************************/

/*
$Log$
Revision 1.2  1999/10/16 19:22:18  fca
Corrected Rotation Matrix and CVS log

Revision 1.1  1999/10/15 15:35:20  fca
New version for frame1099 with and without holes

*/

///////////////////////////////////////////////////////////////////////////////
//                                                                           //
//  Time Of Flight: design of C.Williams                FCA                  //
//  This class contains the functions for version 1 of the Time Of Flight    //
//  detector.                                                                //
//
//  VERSION WITH 5 MODULES AND FLAT PLATES 
//  
//   WITH HOLES FOR PHOS AND HMPID inside the 
//   SPACE FRAME WITH HOLES
//
//   Authors:
//
//   Alessio Seganti
//   Domenico Vicinanza 
//
//   University of Salerno - Italy
//
//
//Begin_Html
/*
<img src="picts/AliTOFv4Class.gif">
*/
//End_Html
//                                                                           //
///////////////////////////////////////////////////////////////////////////////

#include <stdlib.h>

#include "AliTOFv4.h"
#include "AliRun.h"
#include "AliConst.h"
 
ClassImp(AliTOFv4)
 
//_____________________________________________________________________________
AliTOFv4::AliTOFv4()
{
  //
  // Default constructor
  //
}
 
//_____________________________________________________________________________
AliTOFv4::AliTOFv4(const char *name, const char *title)
       : AliTOF(name,title)
{
  //
  // Standard constructor
  //
}
 
//_____________________________________________________________________________
void AliTOFv4::CreateGeometry()
{
  //
  // Create geometry for Time Of Flight version 0
  //
  //Begin_Html
  /*
    <img src="picts/AliTOFv4.gif">
  */
  //End_Html
  //
  // Creates common geometry
  //
  AliTOF::CreateGeometry();
}
 
//_____________________________________________________________________________
void AliTOFv4::TOFpc(Float_t xtof, Float_t ytof, Float_t zlen1,
		     Float_t zlen2, Float_t zlen3, Float_t ztof0)
{
  //
  // Definition of the Time Of Fligh Resistive Plate Chambers
  // xFLT, yFLT, zFLT - sizes of TOF modules (large)
  
  Int_t idrotm[100];
  Float_t  ycoor, zcoor;
  Float_t par[10];
  Float_t yFREON, xp, yp, zp;
  
  Int_t *idtmed = fIdtmed->GetArray()-499;

  par[0] =  xtof / 2.;
  par[1] =  ytof / 2.;
  par[2] = zlen1 / 2.;
  gMC->Gsvolu("FTO1", "BOX ", idtmed[506], par, 3);
  par[2] = zlen2 / 2.;
  gMC->Gsvolu("FTO2", "BOX ", idtmed[506], par, 3);
  par[2] = zlen3 / 2.;
  gMC->Gsvolu("FTO3", "BOX ", idtmed[506], par, 3);


// Positioning of modules

   Float_t zcor1 = ztof0 - zlen1/2;
   Float_t zcor2 = ztof0 - zlen1 - zlen2/2.;
   Float_t zcor3 = 0.;

   AliMatrix(idrotm[0], 90., 0., 0., 0., 90, -90.);
   AliMatrix(idrotm[1], 90., 180., 0., 0., 90, 90.);
   gMC->Gspos("FTO1", 1, "BTO1", 0,  zcor1, 0, idrotm[0], "ONLY");
   gMC->Gspos("FTO1", 2, "BTO1", 0, -zcor1, 0, idrotm[1], "ONLY");
   zcoor = (zlen1/2.);
   gMC->Gspos("FTO1", 1, "BTO2", 0,  zcoor, 0, idrotm[0], "ONLY");
   zcoor = 0.;
   gMC->Gspos("FTO1", 1, "BTO3", 0,  zcoor, 0, idrotm[0], "ONLY");
   
   gMC->Gspos("FTO2", 1, "BTO1", 0,  zcor2, 0, idrotm[0], "ONLY");
   gMC->Gspos("FTO2", 2, "BTO1", 0, -zcor2, 0, idrotm[1], "ONLY");
   zcoor = -zlen2/2.;
   gMC->Gspos("FTO2", 0, "BTO2", 0,  zcoor, 0, idrotm[0], "ONLY");

   gMC->Gspos("FTO3", 0, "BTO1", 0, zcor3,  0, idrotm[0], "ONLY");

// Subtraction the distance to TOF module boundaries 

  Float_t db = 7.;
  Float_t xFLT, yFLT, zFLT1, zFLT2, zFLT3;

  xFLT = xtof -(.5 +.5)*2;
  yFLT = ytof;
  zFLT1 = zlen1 - db;
  zFLT2 = zlen2 - db;
  zFLT3 = zlen3 - db;
  

// freon gaps in MRPC chamber 
  yFREON = .11; //cm

// Sizes of MRPC pads

  xp = 3.0; 
  yp = 12.3*0.05; // 5% X0 of glass 
  zp = 3.0;

//  Subtraction of dead boundaries in X=2 cm and Z=7/2 cm 

cout <<"************************* TOF geometry **************************"<<endl;

  Int_t nz1, nz2, nz3, nx; //- numbers of pixels
  nx = Int_t (xFLT/xp);

  printf("Number of pixel along x axis = %i",nx);

  par[0] = xFLT/2;
  par[1] = yFLT/2;
  par[2] = (zFLT1 / 2.);
  nz1 = Int_t (par[2]*2/zp);
  gMC->Gsvolu("FLT1", "BOX ", idtmed[506], par, 3); // CO2
  gMC->Gspos("FLT1", 0, "FTO1", 0., 0., 0., 0, "ONLY");
  printf("Number of pixel along z axis (module 1) = %i",nz1);

  par[2] = (zFLT2 / 2.);
  nz2 = Int_t (par[2]*2/zp);
  gMC->Gsvolu("FLT2", "BOX ", idtmed[506], par, 3); // CO2
  gMC->Gspos("FLT2", 0, "FTO2", 0., 0., 0., 0, "ONLY");
  printf("Number of pixel along z axis (module 2) = %i",nz2);

  par[2] = (zFLT3 / 2.); 
  nz3 = Int_t (par[2]*2/zp);
  gMC->Gsvolu("FLT3", "BOX ", idtmed[506], par, 3); // CO2
  gMC->Gspos("FLT3", 0, "FTO3", 0., 0., 0., 0, "ONLY");
  printf("Number of pixel along z axis (module 3) = %i",nz3);

////////// Layers before detector ////////////////////

// Alluminium layer in front 1.0 mm thick at the beginning
  par[0] = -1;
  par[1] = 0.1;
  par[2] = -1;
  ycoor = -yFLT/2 + par[1];
  gMC->Gsvolu("FMY1", "BOX ", idtmed[508], par, 3); // Alluminium
  gMC->Gspos("FMY1", 0, "FLT1", 0., ycoor, 0., 0, "ONLY");
  gMC->Gsvolu("FMY2", "BOX ", idtmed[508], par, 3); // Alluminium
  gMC->Gspos("FMY2", 0, "FLT2", 0., ycoor, 0., 0, "ONLY");
  gMC->Gsvolu("FMY3", "BOX ", idtmed[508], par, 3); // Alluminium 
  gMC->Gspos("FMY3", 0, "FLT3", 0., ycoor, 0., 0, "ONLY");

// Honeycomb layer (1cm of special polyethilene)
  ycoor = ycoor + par[1];
  par[0] = -1;
  par[1] = 0.5;
  par[2] = -1;
  ycoor = ycoor + par[1];
  gMC->Gsvolu("FPL1", "BOX ", idtmed[503], par, 3); // Hony
  gMC->Gspos("FPL1", 0, "FLT1", 0., ycoor, 0., 0, "ONLY");
  gMC->Gsvolu("FPL2", "BOX ", idtmed[503], par, 3); // Hony
  gMC->Gspos("FPL2", 0, "FLT2", 0., ycoor, 0., 0, "ONLY");
  gMC->Gsvolu("FPL3", "BOX ", idtmed[503], par, 3); // Hony
  gMC->Gspos("FPL3", 0, "FLT3", 0., ycoor, 0., 0, "ONLY");

///////////////// Detector itself //////////////////////

  const Float_t SpaceBefore=2.; // Space Beetween detector &  Front Panel

  par[0] = -1;
  par[1] = yp/2; // 5 %X0 thick of glass  
  par[2] = -1;
  ycoor = -yFLT/2 + SpaceBefore;
  gMC->Gsvolu("FLD1", "BOX ", idtmed[514], par, 3); // Glass
  gMC->Gspos("FLD1", 0, "FLT1", 0., ycoor, 0., 0, "ONLY");
  gMC->Gsvolu("FLD2", "BOX ", idtmed[514], par, 3); // Glass
  gMC->Gspos("FLD2", 0, "FLT2", 0., ycoor, 0., 0, "ONLY");
  gMC->Gsvolu("FLD3", "BOX ", idtmed[514], par, 3); // Glass
  gMC->Gspos("FLD3", 0, "FLT3", 0., ycoor, 0., 0, "ONLY");

  gMC->Gsdvn("FLZ1", "FLD1", nz1, 3); //pixel size xp=zp=3
  gMC->Gsdvn("FLZ2", "FLD2", nz2, 3); 
  gMC->Gsdvn("FLZ3", "FLD3", nz3, 3); 
  gMC->Gsdvn("FLX1", "FLZ1", nx, 1);
  gMC->Gsdvn("FLX2", "FLZ2", nx, 1); 
  gMC->Gsdvn("FLX3", "FLZ3", nx, 1); 

// MRPC pixel itself 
  par[0] = -1;//xp/2;
  par[1] = -1;//yp/2; // 5 %X0 thick of glass  
  par[2] = -1;//zp/2;
  gMC->Gsvolu("FPA0", "BOX ", idtmed[514], par, 3);// Glass
  gMC->Gspos("FPA0", 1, "FLX1", 0., 0., 0., 0, "ONLY");
  gMC->Gspos("FPA0", 2, "FLX2", 0., 0., 0., 0, "ONLY");
  gMC->Gspos("FPA0", 3, "FLX3", 0., 0., 0., 0, "ONLY");

// Freon gas sencitive vol.ume
  par[0] = -1;
  par[1] = yFREON/2;
  par[2] = -1;
  gMC->Gsvolu("FPAD", "BOX ", idtmed[513], par, 3);// Freon 
  gMC->Gspos("FPAD", 0, "FPA0", 0., 0., 0., 0, "ONLY");

////////// Layers after detector ////////////////////

  const Float_t SpaceAfter = 6.; //Space beetween detector & Back Panel
  
// Honeycomb layer after (3cm)
  par[0] = -1;
  par[1] = 0.6;
  par[2] = -1;
  ycoor = -yFLT/2 + SpaceAfter - par[1];
  gMC->Gsvolu("FPE1", "BOX ", idtmed[503], par, 3); // Hony
  gMC->Gspos("FPE1", 0, "FLT1", 0., ycoor, 0., 0, "ONLY");
  gMC->Gsvolu("FPE2", "BOX ", idtmed[503], par, 3); // Hony
  gMC->Gspos("FPE2", 0, "FLT2", 0., ycoor, 0., 0, "ONLY");
  gMC->Gsvolu("FPE3", "BOX ", idtmed[503], par, 3); // Hony
  gMC->Gspos("FPE3", 0, "FLT3", 0., ycoor, 0., 0, "ONLY");

// Electronics (Cu) after
  par[0] = -1;
  par[1] = 1.43*0.05 / 2.; // 5% of X0
  par[2] = -1;
  ycoor = -yFLT/2 + SpaceAfter +par[1];
  gMC->Gsvolu("FEC1", "BOX ", idtmed[501], par, 3); // Cu
  gMC->Gspos("FEC1", 0, "FLT1", 0., ycoor, 0., 0, "ONLY");
  gMC->Gsvolu("FEC2", "BOX ", idtmed[501], par, 3); // Cu
  gMC->Gspos("FEC2", 0, "FLT2", 0., ycoor, 0., 0, "ONLY");
  gMC->Gsvolu("FEC3", "BOX ", idtmed[501], par, 3); // Cu
  gMC->Gspos("FEC3", 0, "FLT3", 0., ycoor, 0., 0, "ONLY");

// Cooling water after
  ycoor = ycoor+par[1];
  par[0] = -1;
  par[1] = 36.1*0.02 / 2.; // 2% of X0
  par[2] = -1;
  ycoor = ycoor+par[1];
  gMC->Gsvolu("FWA1", "BOX ", idtmed[515], par, 3); // Water
  gMC->Gspos("FWA1", 0, "FLT1", 0., ycoor, 0., 0, "ONLY");
  gMC->Gsvolu("FWA2", "BOX ", idtmed[515], par, 3); // Water
  gMC->Gspos("FWA2", 0, "FLT2", 0., ycoor, 0., 0, "ONLY");
  gMC->Gsvolu("FWA3", "BOX ", idtmed[515], par, 3); // Water
  gMC->Gspos("FWA3", 0, "FLT3", 0., ycoor, 0., 0, "ONLY");

//back plate honycomb (2cm)
  par[0] = -1;
  par[1] = 1.;
  par[2] = -1;
  ycoor = yFLT/2 - par[1];
  gMC->Gsvolu("FEG1", "BOX ", idtmed[503], par, 3); // Hony
  gMC->Gspos("FEG1", 0, "FLT1", 0., ycoor, 0., 0, "ONLY");
  gMC->Gsvolu("FEG2", "BOX ", idtmed[503], par, 3); // Hony
  gMC->Gspos("FEG2", 0, "FLT2", 0., ycoor, 0., 0, "ONLY");
  gMC->Gsvolu("FEG3", "BOX ", idtmed[503], par, 3); // Hony
  gMC->Gspos("FEG3", 0, "FLT3", 0., ycoor, 0., 0, "ONLY");
}

//_____________________________________________________________________________
void AliTOFv4::DrawModule()
{
  //
  // Draw a shaded view of the Time Of Flight version 1
  //
  // 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",1);
  gMC->Gsatt("FTO1","SEEN",1);
  gMC->Gsatt("FTO2","SEEN",1);
  gMC->Gsatt("FTO3","SEEN",1);
  gMC->Gsatt("FBT1","SEEN",1);
  gMC->Gsatt("FBT2","SEEN",1);
  gMC->Gsatt("FBT3","SEEN",1);
  gMC->Gsatt("FDT1","SEEN",1);
  gMC->Gsatt("FDT2","SEEN",1);
  gMC->Gsatt("FDT3","SEEN",1);
  gMC->Gsatt("FLT1","SEEN",1);
  gMC->Gsatt("FLT2","SEEN",1);
  gMC->Gsatt("FLT3","SEEN",1);
  gMC->Gsatt("FPL1","SEEN",1);
  gMC->Gsatt("FPL2","SEEN",1);
  gMC->Gsatt("FPL3","SEEN",1);
  gMC->Gsatt("FLD1","SEEN",1);
  gMC->Gsatt("FLD2","SEEN",1);
  gMC->Gsatt("FLD3","SEEN",1);
  gMC->Gsatt("FLZ1","SEEN",1);
  gMC->Gsatt("FLZ2","SEEN",1);
  gMC->Gsatt("FLZ3","SEEN",1);
  gMC->Gsatt("FLX1","SEEN",1);
  gMC->Gsatt("FLX2","SEEN",1);
  gMC->Gsatt("FLX3","SEEN",1);
  gMC->Gsatt("FPA0","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 AliTOFv4::CreateMaterials()
{
  //
  // Define materials for the Time Of Flight
  //
  AliTOF::CreateMaterials();
}
 
//_____________________________________________________________________________
void AliTOFv4::Init()
{
  //
  // Initialise the detector after the geometry has been defined
  //
  printf("**************************************"
	 "  TOF  "
	 "**************************************\n");
  printf("\n     Version 4 of TOF initialing, "
	 "with openings for PHOS and RICH\n\n");

  AliTOF::Init();

  //
  // Check that FRAME is there otherwise we have no place where to
  // put TOF
  AliModule* FRAME=gAlice->GetModule("FRAME");
  if(!FRAME) {
    Error("Ctor","TOF needs FRAME to be present\n");
    exit(1);
  } else 
    if(FRAME->IsVersion()!=0) {
      Error("Ctor","FRAME version 0 needed with this version of TOF\n");
      exit(1);
    }

  fIdFTO2=gMC->VolId("FTO2");
  fIdFTO3=gMC->VolId("FTO3");
  fIdFLT1=gMC->VolId("FLT1");
  fIdFLT2=gMC->VolId("FLT2");
  fIdFLT3=gMC->VolId("FLT3");
  printf("**************************************"
	 "  TOF  "
	 "**************************************\n");
}
 
//_____________________________________________________________________________
void AliTOFv4::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(8,copy);
    vol[0]=copy;
    if(id==fIdFTO3) {
      vol[0]+=22;
      id=gMC->CurrentVolOffID(5,copy);
      if(id==fIdFLT3) vol[1]+=6;
    } else if (id==fIdFTO2) {
      vol[0]+=20;
      id=gMC->CurrentVolOffID(5,copy);
      if(id==fIdFLT2) vol[1]+=8;
    } else {
      id=gMC->CurrentVolOffID(5,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
937fe4a4	1	/**************************************************************************
	2	* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
	3	* *
	4	* Author: The ALICE Off-line Project. *
	5	* Contributors are mentioned in the code where appropriate. *
	6	* *
	7	* Permission to use, copy, modify and distribute this software and its *
	8	* documentation strictly for non-commercial purposes is hereby granted *
	9	* without fee, provided that the above copyright notice appears in all *
	10	* copies and that both the copyright notice and this permission notice *
	11	* appear in the supporting documentation. The authors make no claims *
	12	* about the suitability of this software for any purpose. It is *
	13	* provided "as is" without express or implied warranty. *
	14	**************************************************************************/
	15
	16	/*
	17	$Log$
ab76897d	18	Revision 1.2 1999/10/16 19:22:18 fca
	19	Corrected Rotation Matrix and CVS log
	20
0172a4d9	21	Revision 1.1 1999/10/15 15:35:20 fca
0172a4d9	22	New version for frame1099 with and without holes
937fe4a4	23
	24	*/
	25
	26	///////////////////////////////////////////////////////////////////////////////
	27	// //
	28	// Time Of Flight: design of C.Williams FCA //
	29	// This class contains the functions for version 1 of the Time Of Flight //
	30	// detector. //
	31	//
	32	// VERSION WITH 5 MODULES AND FLAT PLATES
	33	//
	34	// WITH HOLES FOR PHOS AND HMPID inside the
	35	// SPACE FRAME WITH HOLES
	36	//
	37	// Authors:
	38	//
	39	// Alessio Seganti
	40	// Domenico Vicinanza
	41	//
	42	// University of Salerno - Italy
	43	//
	44	//
	45	//Begin_Html
	46	/*
	47	<img src="picts/AliTOFv4Class.gif">
	48	*/
	49	//End_Html
	50	// //
	51	///////////////////////////////////////////////////////////////////////////////
	52
ab76897d	53	#include <stdlib.h>
ab76897d	54
937fe4a4	55	#include "AliTOFv4.h"
	56	#include "AliRun.h"
	57	#include "AliConst.h"
	58
	59	ClassImp(AliTOFv4)
	60
	61	//_____________________________________________________________________________
	62	AliTOFv4::AliTOFv4()
	63	{
	64	//
	65	// Default constructor
	66	//
	67	}
	68
	69	//_____________________________________________________________________________
	70	AliTOFv4::AliTOFv4(const char name, const char title)
	71	: AliTOF(name,title)
	72	{
	73	//
	74	// Standard constructor
	75	//
	76	}
	77
	78	//_____________________________________________________________________________
	79	void AliTOFv4::CreateGeometry()
	80	{
	81	//
	82	// Create geometry for Time Of Flight version 0
	83	//
	84	//Begin_Html
	85	/*
	86	<img src="picts/AliTOFv4.gif">
	87	*/
	88	//End_Html
	89	//
	90	// Creates common geometry
	91	//
	92	AliTOF::CreateGeometry();
	93	}
	94
	95	//_____________________________________________________________________________
	96	void AliTOFv4::TOFpc(Float_t xtof, Float_t ytof, Float_t zlen1,
	97	Float_t zlen2, Float_t zlen3, Float_t ztof0)
	98	{
	99	//
	100	// Definition of the Time Of Fligh Resistive Plate Chambers
	101	// xFLT, yFLT, zFLT - sizes of TOF modules (large)
	102
	103	Int_t idrotm[100];
	104	Float_t ycoor, zcoor;
	105	Float_t par[10];
	106	Float_t yFREON, xp, yp, zp;
	107
	108	Int_t *idtmed = fIdtmed->GetArray()-499;
	109
	110	par[0] = xtof / 2.;
	111	par[1] = ytof / 2.;
	112	par[2] = zlen1 / 2.;
	113	gMC->Gsvolu("FTO1", "BOX ", idtmed[506], par, 3);
	114	par[2] = zlen2 / 2.;
	115	gMC->Gsvolu("FTO2", "BOX ", idtmed[506], par, 3);
	116	par[2] = zlen3 / 2.;
	117	gMC->Gsvolu("FTO3", "BOX ", idtmed[506], par, 3);
	118
119
120	// Positioning of modules
121
122	Float_t zcor1 = ztof0 - zlen1/2;
123	Float_t zcor2 = ztof0 - zlen1 - zlen2/2.;
124	Float_t zcor3 = 0.;
125
126	AliMatrix(idrotm[0], 90., 0., 0., 0., 90, -90.);
127	AliMatrix(idrotm[1], 90., 180., 0., 0., 90, 90.);
128	gMC->Gspos("FTO1", 1, "BTO1", 0, zcor1, 0, idrotm[0], "ONLY");
129	gMC->Gspos("FTO1", 2, "BTO1", 0, -zcor1, 0, idrotm[1], "ONLY");
130	zcoor = (zlen1/2.);
131	gMC->Gspos("FTO1", 1, "BTO2", 0, zcoor, 0, idrotm[0], "ONLY");
132	zcoor = 0.;
133	gMC->Gspos("FTO1", 1, "BTO3", 0, zcoor, 0, idrotm[0], "ONLY");
134
135	gMC->Gspos("FTO2", 1, "BTO1", 0, zcor2, 0, idrotm[0], "ONLY");
136	gMC->Gspos("FTO2", 2, "BTO1", 0, -zcor2, 0, idrotm[1], "ONLY");
137	zcoor = -zlen2/2.;
138	gMC->Gspos("FTO2", 0, "BTO2", 0, zcoor, 0, idrotm[0], "ONLY");
139
140	gMC->Gspos("FTO3", 0, "BTO1", 0, zcor3, 0, idrotm[0], "ONLY");
141
142	// Subtraction the distance to TOF module boundaries
143
144	Float_t db = 7.;
145	Float_t xFLT, yFLT, zFLT1, zFLT2, zFLT3;
146
147	xFLT = xtof -(.5 +.5)*2;
148	yFLT = ytof;
149	zFLT1 = zlen1 - db;
150	zFLT2 = zlen2 - db;
151	zFLT3 = zlen3 - db;
152
153
154
155	// freon gaps in MRPC chamber
156	yFREON = .11; //cm
157
158	// Sizes of MRPC pads
159
160	xp = 3.0;
161	yp = 12.3*0.05; // 5% X0 of glass
162	zp = 3.0;
163
164	// Subtraction of dead boundaries in X=2 cm and Z=7/2 cm
165
166	cout <<"*********************** TOF geometry ************************"<<endl;
167
168	Int_t nz1, nz2, nz3, nx; //- numbers of pixels
169	nx = Int_t (xFLT/xp);
170
171	printf("Number of pixel along x axis = %i",nx);
172
173	par[0] = xFLT/2;
174	par[1] = yFLT/2;
175	par[2] = (zFLT1 / 2.);
176	nz1 = Int_t (par[2]*2/zp);
177	gMC->Gsvolu("FLT1", "BOX ", idtmed[506], par, 3); // CO2
178	gMC->Gspos("FLT1", 0, "FTO1", 0., 0., 0., 0, "ONLY");
179	printf("Number of pixel along z axis (module 1) = %i",nz1);
180
181	par[2] = (zFLT2 / 2.);
182	nz2 = Int_t (par[2]*2/zp);
183	gMC->Gsvolu("FLT2", "BOX ", idtmed[506], par, 3); // CO2
184	gMC->Gspos("FLT2", 0, "FTO2", 0., 0., 0., 0, "ONLY");
185	printf("Number of pixel along z axis (module 2) = %i",nz2);
186
187	par[2] = (zFLT3 / 2.);
188	nz3 = Int_t (par[2]*2/zp);
189	gMC->Gsvolu("FLT3", "BOX ", idtmed[506], par, 3); // CO2
190	gMC->Gspos("FLT3", 0, "FTO3", 0., 0., 0., 0, "ONLY");
191	printf("Number of pixel along z axis (module 3) = %i",nz3);
192
193	////////// Layers before detector ////////////////////
194
195	// Alluminium layer in front 1.0 mm thick at the beginning
196	par[0] = -1;
197	par[1] = 0.1;
198	par[2] = -1;
199	ycoor = -yFLT/2 + par[1];
200	gMC->Gsvolu("FMY1", "BOX ", idtmed[508], par, 3); // Alluminium
201	gMC->Gspos("FMY1", 0, "FLT1", 0., ycoor, 0., 0, "ONLY");
202	gMC->Gsvolu("FMY2", "BOX ", idtmed[508], par, 3); // Alluminium
203	gMC->Gspos("FMY2", 0, "FLT2", 0., ycoor, 0., 0, "ONLY");
204	gMC->Gsvolu("FMY3", "BOX ", idtmed[508], par, 3); // Alluminium
205	gMC->Gspos("FMY3", 0, "FLT3", 0., ycoor, 0., 0, "ONLY");
206
207	// Honeycomb layer (1cm of special polyethilene)
208	ycoor = ycoor + par[1];
209	par[0] = -1;
210	par[1] = 0.5;
211	par[2] = -1;
212	ycoor = ycoor + par[1];
213	gMC->Gsvolu("FPL1", "BOX ", idtmed[503], par, 3); // Hony
214	gMC->Gspos("FPL1", 0, "FLT1", 0., ycoor, 0., 0, "ONLY");
215	gMC->Gsvolu("FPL2", "BOX ", idtmed[503], par, 3); // Hony
216	gMC->Gspos("FPL2", 0, "FLT2", 0., ycoor, 0., 0, "ONLY");
217	gMC->Gsvolu("FPL3", "BOX ", idtmed[503], par, 3); // Hony
218	gMC->Gspos("FPL3", 0, "FLT3", 0., ycoor, 0., 0, "ONLY");
219
220	///////////////// Detector itself //////////////////////
221
222	const Float_t SpaceBefore=2.; // Space Beetween detector & Front Panel
223
224	par[0] = -1;
225	par[1] = yp/2; // 5 %X0 thick of glass
226	par[2] = -1;
227	ycoor = -yFLT/2 + SpaceBefore;
228	gMC->Gsvolu("FLD1", "BOX ", idtmed[514], par, 3); // Glass
229	gMC->Gspos("FLD1", 0, "FLT1", 0., ycoor, 0., 0, "ONLY");
230	gMC->Gsvolu("FLD2", "BOX ", idtmed[514], par, 3); // Glass
231	gMC->Gspos("FLD2", 0, "FLT2", 0., ycoor, 0., 0, "ONLY");
232	gMC->Gsvolu("FLD3", "BOX ", idtmed[514], par, 3); // Glass
233	gMC->Gspos("FLD3", 0, "FLT3", 0., ycoor, 0., 0, "ONLY");
234
235	gMC->Gsdvn("FLZ1", "FLD1", nz1, 3); //pixel size xp=zp=3
236	gMC->Gsdvn("FLZ2", "FLD2", nz2, 3);
237	gMC->Gsdvn("FLZ3", "FLD3", nz3, 3);
238	gMC->Gsdvn("FLX1", "FLZ1", nx, 1);
239	gMC->Gsdvn("FLX2", "FLZ2", nx, 1);
240	gMC->Gsdvn("FLX3", "FLZ3", nx, 1);
241
242	// MRPC pixel itself
243	par[0] = -1;//xp/2;
244	par[1] = -1;//yp/2; // 5 %X0 thick of glass
245	par[2] = -1;//zp/2;
246	gMC->Gsvolu("FPA0", "BOX ", idtmed[514], par, 3);// Glass
247	gMC->Gspos("FPA0", 1, "FLX1", 0., 0., 0., 0, "ONLY");
248	gMC->Gspos("FPA0", 2, "FLX2", 0., 0., 0., 0, "ONLY");
249	gMC->Gspos("FPA0", 3, "FLX3", 0., 0., 0., 0, "ONLY");
250
251	// Freon gas sencitive vol.ume
252	par[0] = -1;
253	par[1] = yFREON/2;
254	par[2] = -1;
255	gMC->Gsvolu("FPAD", "BOX ", idtmed[513], par, 3);// Freon
256	gMC->Gspos("FPAD", 0, "FPA0", 0., 0., 0., 0, "ONLY");
257
258	////////// Layers after detector ////////////////////
259
260	const Float_t SpaceAfter = 6.; //Space beetween detector & Back Panel
261
262	// Honeycomb layer after (3cm)
263	par[0] = -1;
264	par[1] = 0.6;
265	par[2] = -1;
266	ycoor = -yFLT/2 + SpaceAfter - par[1];
267	gMC->Gsvolu("FPE1", "BOX ", idtmed[503], par, 3); // Hony
268	gMC->Gspos("FPE1", 0, "FLT1", 0., ycoor, 0., 0, "ONLY");
269	gMC->Gsvolu("FPE2", "BOX ", idtmed[503], par, 3); // Hony
270	gMC->Gspos("FPE2", 0, "FLT2", 0., ycoor, 0., 0, "ONLY");
271	gMC->Gsvolu("FPE3", "BOX ", idtmed[503], par, 3); // Hony
272	gMC->Gspos("FPE3", 0, "FLT3", 0., ycoor, 0., 0, "ONLY");
273
274	// Electronics (Cu) after
275	par[0] = -1;
276	par[1] = 1.43*0.05 / 2.; // 5% of X0
277	par[2] = -1;
278	ycoor = -yFLT/2 + SpaceAfter +par[1];
279	gMC->Gsvolu("FEC1", "BOX ", idtmed[501], par, 3); // Cu
280	gMC->Gspos("FEC1", 0, "FLT1", 0., ycoor, 0., 0, "ONLY");
281	gMC->Gsvolu("FEC2", "BOX ", idtmed[501], par, 3); // Cu
282	gMC->Gspos("FEC2", 0, "FLT2", 0., ycoor, 0., 0, "ONLY");
283	gMC->Gsvolu("FEC3", "BOX ", idtmed[501], par, 3); // Cu
284	gMC->Gspos("FEC3", 0, "FLT3", 0., ycoor, 0., 0, "ONLY");
285
286	// Cooling water after
287	ycoor = ycoor+par[1];
288	par[0] = -1;
289	par[1] = 36.1*0.02 / 2.; // 2% of X0
290	par[2] = -1;
291	ycoor = ycoor+par[1];
292	gMC->Gsvolu("FWA1", "BOX ", idtmed[515], par, 3); // Water
293	gMC->Gspos("FWA1", 0, "FLT1", 0., ycoor, 0., 0, "ONLY");
294	gMC->Gsvolu("FWA2", "BOX ", idtmed[515], par, 3); // Water
295	gMC->Gspos("FWA2", 0, "FLT2", 0., ycoor, 0., 0, "ONLY");
296	gMC->Gsvolu("FWA3", "BOX ", idtmed[515], par, 3); // Water
297	gMC->Gspos("FWA3", 0, "FLT3", 0., ycoor, 0., 0, "ONLY");
298
299	//back plate honycomb (2cm)
300	par[0] = -1;
301	par[1] = 1.;
302	par[2] = -1;
303	ycoor = yFLT/2 - par[1];
304	gMC->Gsvolu("FEG1", "BOX ", idtmed[503], par, 3); // Hony
305	gMC->Gspos("FEG1", 0, "FLT1", 0., ycoor, 0., 0, "ONLY");
306	gMC->Gsvolu("FEG2", "BOX ", idtmed[503], par, 3); // Hony
307	gMC->Gspos("FEG2", 0, "FLT2", 0., ycoor, 0., 0, "ONLY");
308	gMC->Gsvolu("FEG3", "BOX ", idtmed[503], par, 3); // Hony
309	gMC->Gspos("FEG3", 0, "FLT3", 0., ycoor, 0., 0, "ONLY");
310	}
311
312	//_____________________________________________________________________________
313	void AliTOFv4::DrawModule()
314	{
315	//
316	// Draw a shaded view of the Time Of Flight version 1
317	//
318	// Set everything unseen
319	gMC->Gsatt("*", "seen", -1);
320	//
321	// Set ALIC mother transparent
322	gMC->Gsatt("ALIC","SEEN",0);
323	//
324	// Set the volumes visible
325	gMC->Gsatt("ALIC","SEEN",0);
326	gMC->Gsatt("FBAR","SEEN",1);
327	gMC->Gsatt("FTO1","SEEN",1);
328	gMC->Gsatt("FTO2","SEEN",1);
329	gMC->Gsatt("FTO3","SEEN",1);
330	gMC->Gsatt("FBT1","SEEN",1);
331	gMC->Gsatt("FBT2","SEEN",1);
332	gMC->Gsatt("FBT3","SEEN",1);
333	gMC->Gsatt("FDT1","SEEN",1);
334	gMC->Gsatt("FDT2","SEEN",1);
335	gMC->Gsatt("FDT3","SEEN",1);
336	gMC->Gsatt("FLT1","SEEN",1);
337	gMC->Gsatt("FLT2","SEEN",1);
338	gMC->Gsatt("FLT3","SEEN",1);
339	gMC->Gsatt("FPL1","SEEN",1);
340	gMC->Gsatt("FPL2","SEEN",1);
341	gMC->Gsatt("FPL3","SEEN",1);
342	gMC->Gsatt("FLD1","SEEN",1);
343	gMC->Gsatt("FLD2","SEEN",1);
344	gMC->Gsatt("FLD3","SEEN",1);
345	gMC->Gsatt("FLZ1","SEEN",1);
346	gMC->Gsatt("FLZ2","SEEN",1);
347	gMC->Gsatt("FLZ3","SEEN",1);
348	gMC->Gsatt("FLX1","SEEN",1);
349	gMC->Gsatt("FLX2","SEEN",1);
350	gMC->Gsatt("FLX3","SEEN",1);
351	gMC->Gsatt("FPA0","SEEN",1);
352	//
353	gMC->Gdopt("hide", "on");
354	gMC->Gdopt("shad", "on");
355	gMC->Gsatt("*", "fill", 7);
356	gMC->SetClipBox(".");
357	gMC->SetClipBox("*", 0, 1000, -1000, 1000, -1000, 1000);
358	gMC->DefaultRange();
359	gMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .02, .02);
360	gMC->Gdhead(1111, "Time Of Flight");
361	gMC->Gdman(18, 4, "MAN");
362	gMC->Gdopt("hide","off");
363	}
364
365	//_____________________________________________________________________________
366	void AliTOFv4::CreateMaterials()
367	{
368	//
369	// Define materials for the Time Of Flight
370	//
371	AliTOF::CreateMaterials();
372	}
373
374	//_____________________________________________________________________________
375	void AliTOFv4::Init()
376	{
377	//
378	// Initialise the detector after the geometry has been defined
379	//
ab76897d	380	printf("**************************************"
	381	" TOF "
	382	"**************************************\n");
	383	printf("\n Version 4 of TOF initialing, "
	384	"with openings for PHOS and RICH\n\n");
	385
937fe4a4	386	AliTOF::Init();
ab76897d	387
	388	//
	389	// Check that FRAME is there otherwise we have no place where to
	390	// put TOF
	391	AliModule* FRAME=gAlice->GetModule("FRAME");
	392	if(!FRAME) {
	393	Error("Ctor","TOF needs FRAME to be present\n");
	394	exit(1);
	395	} else
	396	if(FRAME->IsVersion()!=0) {
	397	Error("Ctor","FRAME version 0 needed with this version of TOF\n");
	398	exit(1);
	399	}
	400
937fe4a4	401	fIdFTO2=gMC->VolId("FTO2");
	402	fIdFTO3=gMC->VolId("FTO3");
	403	fIdFLT1=gMC->VolId("FLT1");
	404	fIdFLT2=gMC->VolId("FLT2");
	405	fIdFLT3=gMC->VolId("FLT3");
ab76897d	406	printf("**************************************"
	407	" TOF "
	408	"**************************************\n");
937fe4a4	409	}
	410
	411	//_____________________________________________________________________________
	412	void AliTOFv4::StepManager()
	413	{
	414	//
	415	// Procedure called at each step in the Time Of Flight
	416	//
	417	TLorentzVector mom, pos;
	418	Float_t hits[8];
	419	Int_t vol[3];
	420	Int_t copy, id, i;
	421	Int_t *idtmed = fIdtmed->GetArray()-499;
	422	if(gMC->GetMedium()==idtmed[514-1] &&
	423	gMC->IsTrackEntering() && gMC->TrackCharge()
	424	&& gMC->CurrentVolID(copy)==fIdSens) {
	425	TClonesArray &lhits = *fHits;
	426	//
	427	// Record only charged tracks at entrance
	428	gMC->CurrentVolOffID(1,copy);
	429	vol[2]=copy;
	430	gMC->CurrentVolOffID(3,copy);
	431	vol[1]=copy;
	432	id=gMC->CurrentVolOffID(8,copy);
	433	vol[0]=copy;
	434	if(id==fIdFTO3) {
	435	vol[0]+=22;
	436	id=gMC->CurrentVolOffID(5,copy);
	437	if(id==fIdFLT3) vol[1]+=6;
	438	} else if (id==fIdFTO2) {
	439	vol[0]+=20;
	440	id=gMC->CurrentVolOffID(5,copy);
	441	if(id==fIdFLT2) vol[1]+=8;
	442	} else {
	443	id=gMC->CurrentVolOffID(5,copy);
	444	if(id==fIdFLT1) vol[1]+=14;
	445	}
	446	gMC->TrackPosition(pos);
	447	gMC->TrackMomentum(mom);
	448	//
	449	Double_t ptot=mom.Rho();
	450	Double_t norm=1/ptot;
	451	for(i=0;i<3;++i) {
	452	hits[i]=pos[i];
	453	hits[i+3]=mom[i]*norm;
	454	}
	455	hits[6]=ptot;
	456	hits[7]=pos[3];
	457	new(lhits[fNhits++]) AliTOFhit(fIshunt,gAlice->CurrentTrack(),vol,hits);
	458	}
	459	}
	460