[u/mrichter/AliRoot.git] / TOF / AliTOFv5.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 1.4  1999/11/05 22:39:06  fca
New hits structure

Revision 1.3  1999/11/01 20:41:58  fca
Added protections against using the wrong version of FRAME

Revision 1.2  1999/10/16 19:21:57  fca
Corrected Rotation Matrix and CVS logAliTOFv4.cxx

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 A FULL COVERAGE SPACE FRAME
//
//
//   Authors:
//
//   Alessio Seganti
//   Domenico Vicinanza
//
//   University of Salerno - Italy
//
//
//Begin_Html
/*
<img src="picts/AliTOFv5Class.gif">
*/
//End_Html
//                                                                           //
///////////////////////////////////////////////////////////////////////////////

#include <iostream.h>
#include <stdlib.h>

#include "AliTOFv5.h"
#include "AliRun.h"
#include "AliConst.h"
 
ClassImp(AliTOFv5)
 
//_____________________________________________________________________________
AliTOFv5::AliTOFv5()
{
  //
  // Default constructor
  //
}
 
//_____________________________________________________________________________
AliTOFv5::AliTOFv5(const char *name, const char *title)
       : AliTOF(name,title)
{
  //
  // Standard constructor
  //
  //
  // 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()!=1) {
      Error("Ctor","FRAME version 1 needed with this version of TOF\n");
      exit(1);
    }

}
 
//_____________________________________________________________________________
void AliTOFv5::CreateGeometry()
{
  //
  // Create geometry for Time Of Flight version 0
  //
  //Begin_Html
  /*
    <img src="picts/AliTOFv5.gif">
  */
  //End_Html
  //
  // Creates common geometry
  //
  AliTOF::CreateGeometry();
}
 
//_____________________________________________________________________________
void AliTOFv5::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)
  
  Float_t  ycoor;
  Float_t par[10];
  Int_t idrotm[100];
  
  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);


// Position 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");
   gMC->Gspos("FTO1", 1, "BTO2", 0,  zcor1, 0, idrotm[0], "ONLY");
   gMC->Gspos("FTO1", 2, "BTO2", 0, -zcor1, 0, idrotm[1], "ONLY");
   gMC->Gspos("FTO1", 1, "BTO3", 0,  zcor1, 0, idrotm[0], "ONLY");
   gMC->Gspos("FTO1", 2, "BTO3", 0, -zcor1, 0, idrotm[1], "ONLY");

   gMC->Gspos("FTO2", 1, "BTO1", 0,  zcor2, 0, idrotm[0], "ONLY");
   gMC->Gspos("FTO2", 2, "BTO1", 0, -zcor2, 0, idrotm[1], "ONLY");
   gMC->Gspos("FTO2", 1, "BTO2", 0,  zcor2, 0, idrotm[0], "ONLY");
   gMC->Gspos("FTO2", 2, "BTO2", 0, -zcor2, 0, idrotm[1], "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;

  
// fron 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] = 1. / 2;
  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.;

  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.;

// 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] = 2 / 2.;
  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 AliTOFv5::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 AliTOFv5::CreateMaterials()
{
  //
  // Define materials for the Time Of Flight
  //
  AliTOF::CreateMaterials();
}
 
//_____________________________________________________________________________
void AliTOFv5::Init()
{
  //
  // Initialise the detector after the geometry has been defined
  //
  printf("**************************************"
	 "  TOF  "
	 "**************************************\n");
  printf("\n     Version 5 of TOF initialing, "
	 "with openings for PHOS and RICH in symmetric frame\n\n");

  AliTOF::Init();

  fIdFTO2=gMC->VolId("FTO2");
  fIdFTO3=gMC->VolId("FTO3");
  fIdFLT1=gMC->VolId("FLT1");
  fIdFLT2=gMC->VolId("FLT2");
  fIdFLT3=gMC->VolId("FLT3");

  printf("**************************************"
	 "  TOF  "
	 "**************************************\n");
}
 
//_____________________________________________________________________________
void AliTOFv5::StepManager()
{
  //
  // Procedure called at each step in the Time Of Flight
  //
  TLorentzVector mom, pos;
  Float_t hits[8],rho,z,phi,phid;
  Int_t sector, plate, pad_x, pad_z;
  Int_t copy, pad_x_id, pad_z_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;


    //_________getting information about hit volumes_____________
    
    pad_z_id=gMC->CurrentVolOffID(3,copy);
    pad_z=copy;  
    
    pad_x_id=gMC->CurrentVolOffID(2,copy);
    pad_x=copy;  
    
   gMC->TrackPosition(pos);
   gMC->TrackMomentum(mom);

   rho = sqrt(pos[0]*pos[0]+pos[1]*pos[1]);
   phi = TMath::ACos(pos[0]/rho);
   Float_t as = TMath::ASin(pos[1]/rho);
   if (as<0) phi = 2*3.141592654-phi;

   z = pos[2];
   
   if (z<=62. && z>=-62)  plate = 3;
   if (z<=216. && z>62.)   plate = 4;
   if (z>=-216. && z<-62.) plate = 2;
   if (z>216.)  plate = 5;
   if (z<-216.) plate = 1;

   phid = phi*kRaddeg;
   sector = Int_t (phid/20.);
   sector++;

    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(),sector,plate,pad_x,pad_z,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	$Log$
da39da0c	18	Revision 1.4 1999/11/05 22:39:06 fca
	19	New hits structure
	20
826b71ec	21	Revision 1.3 1999/11/01 20:41:58 fca
	22	Added protections against using the wrong version of FRAME
	23
ab76897d	24	Revision 1.2 1999/10/16 19:21:57 fca
	25	Corrected Rotation Matrix and CVS logAliTOFv4.cxx
	26
f5b1a2eb	27	Revision 1.1 1999/10/15 15:35:20 fca
f5b1a2eb	28	New version for frame1099 with and without holes
937fe4a4	29
	30	*/
	31
	32	///////////////////////////////////////////////////////////////////////////////
	33	// //
	34	// Time Of Flight: design of C.Williams FCA //
	35	// This class contains the functions for version 1 of the Time Of Flight //
	36	// detector. //
	37	//
	38	// VERSION WITH 5 MODULES AND FLAT PLATES
	39	//
	40	// WITH HOLES FOR PHOS AND HMPID
	41	// INSIDE A FULL COVERAGE SPACE FRAME
	42	//
	43	//
	44	// Authors:
	45	//
	46	// Alessio Seganti
	47	// Domenico Vicinanza
	48	//
	49	// University of Salerno - Italy
	50	//
	51	//
	52	//Begin_Html
	53	/*
	54	<img src="picts/AliTOFv5Class.gif">
	55	*/
	56	//End_Html
	57	// //
	58	///////////////////////////////////////////////////////////////////////////////
	59
826b71ec	60	#include <iostream.h>
ab76897d	61	#include <stdlib.h>
ab76897d	62
937fe4a4	63	#include "AliTOFv5.h"
	64	#include "AliRun.h"
	65	#include "AliConst.h"
	66
	67	ClassImp(AliTOFv5)
	68
	69	//_____________________________________________________________________________
	70	AliTOFv5::AliTOFv5()
	71	{
	72	//
	73	// Default constructor
	74	//
	75	}
	76
	77	//_____________________________________________________________________________
	78	AliTOFv5::AliTOFv5(const char name, const char title)
	79	: AliTOF(name,title)
	80	{
	81	//
	82	// Standard constructor
	83	//
da39da0c	84	//
	85	// Check that FRAME is there otherwise we have no place where to
	86	// put TOF
	87	AliModule* FRAME=gAlice->GetModule("FRAME");
	88	if(!FRAME) {
	89	Error("Ctor","TOF needs FRAME to be present\n");
	90	exit(1);
	91	} else
	92	if(FRAME->IsVersion()!=1) {
	93	Error("Ctor","FRAME version 1 needed with this version of TOF\n");
	94	exit(1);
	95	}
	96
937fe4a4	97	}
	98
	99	//_____________________________________________________________________________
	100	void AliTOFv5::CreateGeometry()
	101	{
	102	//
	103	// Create geometry for Time Of Flight version 0
	104	//
	105	//Begin_Html
	106	/*
	107	<img src="picts/AliTOFv5.gif">
	108	*/
	109	//End_Html
	110	//
	111	// Creates common geometry
	112	//
	113	AliTOF::CreateGeometry();
	114	}
	115
	116	//_____________________________________________________________________________
	117	void AliTOFv5::TOFpc(Float_t xtof, Float_t ytof, Float_t zlen1,
	118	Float_t zlen2, Float_t zlen3, Float_t ztof0)
	119	{
	120	//
	121	// Definition of the Time Of Fligh Resistive Plate Chambers
	122	// xFLT, yFLT, zFLT - sizes of TOF modules (large)
	123
	124	Float_t ycoor;
	125	Float_t par[10];
	126	Int_t idrotm[100];
	127
	128	Float_t yFREON, xp, yp, zp;
	129
	130	Int_t *idtmed = fIdtmed->GetArray()-499;
	131
	132
	133	par[0] = xtof / 2.;
	134	par[1] = ytof / 2.;
	135	par[2] = zlen1 / 2.;
	136	gMC->Gsvolu("FTO1", "BOX ", idtmed[506], par, 3);
	137	par[2] = zlen2 / 2.;
	138	gMC->Gsvolu("FTO2", "BOX ", idtmed[506], par, 3);
	139	par[2] = zlen3 / 2.;
	140	gMC->Gsvolu("FTO3", "BOX ", idtmed[506], par, 3);
	141
	142
	143	// Position of modules
	144	Float_t zcor1 = ztof0 - zlen1/2;
	145	Float_t zcor2 = ztof0 - zlen1 - zlen2/2.;
	146	Float_t zcor3 = 0.;
	147
	148	AliMatrix(idrotm[0], 90., 0., 0., 0., 90, -90.);
	149	AliMatrix(idrotm[1], 90., 180., 0., 0., 90, 90.);
	150	gMC->Gspos("FTO1", 1, "BTO1", 0, zcor1, 0, idrotm[0], "ONLY");
	151	gMC->Gspos("FTO1", 2, "BTO1", 0, -zcor1, 0, idrotm[1], "ONLY");
	152	gMC->Gspos("FTO1", 1, "BTO2", 0, zcor1, 0, idrotm[0], "ONLY");
	153	gMC->Gspos("FTO1", 2, "BTO2", 0, -zcor1, 0, idrotm[1], "ONLY");
	154	gMC->Gspos("FTO1", 1, "BTO3", 0, zcor1, 0, idrotm[0], "ONLY");
	155	gMC->Gspos("FTO1", 2, "BTO3", 0, -zcor1, 0, idrotm[1], "ONLY");
	156
	157	gMC->Gspos("FTO2", 1, "BTO1", 0, zcor2, 0, idrotm[0], "ONLY");
	158	gMC->Gspos("FTO2", 2, "BTO1", 0, -zcor2, 0, idrotm[1], "ONLY");
	159	gMC->Gspos("FTO2", 1, "BTO2", 0, zcor2, 0, idrotm[0], "ONLY");
	160	gMC->Gspos("FTO2", 2, "BTO2", 0, -zcor2, 0, idrotm[1], "ONLY");
161
162	gMC->Gspos("FTO3", 0, "BTO1", 0, zcor3, 0, idrotm[0], "ONLY");
163
164	// Subtraction the distance to TOF module boundaries
165
166	Float_t db = 7.;
167	Float_t xFLT, yFLT, zFLT1, zFLT2, zFLT3;
168
169
170	xFLT = xtof -(.5 +.5)*2;
171	yFLT = ytof;
172	zFLT1 = zlen1 - db;
173	zFLT2 = zlen2 - db;
174	zFLT3 = zlen3 - db;
175
176
177	// fron gaps in MRPC chamber
178	yFREON = .11; //cm
179
180	// Sizes of MRPC pads
181
182	xp = 3.0;
183	yp = 12.3*0.05; // 5% X0 of glass
184	zp = 3.0;
185
186	// Subtraction of dead boundaries in X=2 cm and Z=7/2 cm
187
188	cout <<"*********************** TOF geometry ************************"<<endl;
189
190	Int_t nz1, nz2, nz3, nx; //- numbers of pixels
191	nx = Int_t (xFLT/xp);
192
193	printf("Number of pixel along x axis = %i",nx);
194
195	par[0] = xFLT/2;
196	par[1] = yFLT/2;
197	par[2] = (zFLT1 / 2.);
198	nz1 = Int_t (par[2]*2/zp);
199	gMC->Gsvolu("FLT1", "BOX ", idtmed[506], par, 3); // CO2
200	gMC->Gspos("FLT1", 0, "FTO1", 0., 0., 0., 0, "ONLY");
201	printf("Number of pixel along z axis (module 1) = %i",nz1);
202
203	par[2] = (zFLT2 / 2.);
204	nz2 = Int_t (par[2]*2/zp);
205	gMC->Gsvolu("FLT2", "BOX ", idtmed[506], par, 3); // CO2
206	gMC->Gspos("FLT2", 0, "FTO2", 0., 0., 0., 0, "ONLY");
207	printf("Number of pixel along z axis (module 2) = %i",nz2);
208
209	par[2] = (zFLT3 / 2.);
210	nz3 = Int_t (par[2]*2/zp);
211	gMC->Gsvolu("FLT3", "BOX ", idtmed[506], par, 3); // CO2
212	gMC->Gspos("FLT3", 0, "FTO3", 0., 0., 0., 0, "ONLY");
213	printf("Number of pixel along z axis (module 3) = %i",nz3);
214
215	////////// Layers before detector ////////////////////
216
217	// Alluminium layer in front 1.0 mm thick at the beginning
218	par[0] = -1;
219	par[1] = 0.1;
220	par[2] = -1;
221	ycoor = -yFLT/2 + par[1];
222	gMC->Gsvolu("FMY1", "BOX ", idtmed[508], par, 3); // Alluminium
223	gMC->Gspos("FMY1", 0, "FLT1", 0., ycoor, 0., 0, "ONLY");
224	gMC->Gsvolu("FMY2", "BOX ", idtmed[508], par, 3); // Alluminium
225	gMC->Gspos("FMY2", 0, "FLT2", 0., ycoor, 0., 0, "ONLY");
226	gMC->Gsvolu("FMY3", "BOX ", idtmed[508], par, 3); // Alluminium
227	gMC->Gspos("FMY3", 0, "FLT3", 0., ycoor, 0., 0, "ONLY");
228
229	// Honeycomb layer (1cm of special polyethilene)
230	ycoor = ycoor + par[1];
231	par[0] = -1;
232	par[1] = 1. / 2;
233	par[2] = -1;
234	ycoor = ycoor + par[1];
235	gMC->Gsvolu("FPL1", "BOX ", idtmed[503], par, 3); // Hony
236	gMC->Gspos("FPL1", 0, "FLT1", 0., ycoor, 0., 0, "ONLY");
237	gMC->Gsvolu("FPL2", "BOX ", idtmed[503], par, 3); // Hony
238	gMC->Gspos("FPL2", 0, "FLT2", 0., ycoor, 0., 0, "ONLY");
239	gMC->Gsvolu("FPL3", "BOX ", idtmed[503], par, 3); // Hony
240	gMC->Gspos("FPL3", 0, "FLT3", 0., ycoor, 0., 0, "ONLY");
241
242	///////////////// Detector itself //////////////////////
243
244	const Float_t SpaceBefore=2.;
245
246	par[0] = -1;
247	par[1] = yp/2; // 5 %X0 thick of glass
248	par[2] = -1;
249	ycoor = -yFLT/2 + SpaceBefore;
250	gMC->Gsvolu("FLD1", "BOX ", idtmed[514], par, 3); // Glass
251	gMC->Gspos("FLD1", 0, "FLT1", 0., ycoor, 0., 0, "ONLY");
252	gMC->Gsvolu("FLD2", "BOX ", idtmed[514], par, 3); // Glass
253	gMC->Gspos("FLD2", 0, "FLT2", 0., ycoor, 0., 0, "ONLY");
254	gMC->Gsvolu("FLD3", "BOX ", idtmed[514], par, 3); // Glass
255	gMC->Gspos("FLD3", 0, "FLT3", 0., ycoor, 0., 0, "ONLY");
256
257	gMC->Gsdvn("FLZ1", "FLD1", nz1, 3); //pixel size xp=zp=3
258	gMC->Gsdvn("FLZ2", "FLD2", nz2, 3);
259	gMC->Gsdvn("FLZ3", "FLD3", nz3, 3);
260	gMC->Gsdvn("FLX1", "FLZ1", nx, 1);
261	gMC->Gsdvn("FLX2", "FLZ2", nx, 1);
262	gMC->Gsdvn("FLX3", "FLZ3", nx, 1);
263
264	// MRPC pixel itself
265	par[0] = -1;//xp/2;
266	par[1] = -1;//yp/2; // 5 %X0 thick of glass
267	par[2] = -1;//zp/2;
268	gMC->Gsvolu("FPA0", "BOX ", idtmed[514], par, 3);// Glass
269	gMC->Gspos("FPA0", 1, "FLX1", 0., 0., 0., 0, "ONLY");
270	gMC->Gspos("FPA0", 2, "FLX2", 0., 0., 0., 0, "ONLY");
271	gMC->Gspos("FPA0", 3, "FLX3", 0., 0., 0., 0, "ONLY");
272
273	// Freon gas sencitive vol.ume
274	par[0] = -1;
275	par[1] = yFREON/2;
276	par[2] = -1;
277	gMC->Gsvolu("FPAD", "BOX ", idtmed[513], par, 3);// Freon
278	gMC->Gspos("FPAD", 0, "FPA0", 0., 0., 0., 0, "ONLY");
279
280	////////// Layers after detector ////////////////////
281
282	const Float_t SpaceAfter=6.;
283
284	// Honeycomb layer after (3cm)
285	par[0] = -1;
286	par[1] = 0.6;
287	par[2] = -1;
288	ycoor = -yFLT/2 + SpaceAfter - par[1];
289	gMC->Gsvolu("FPE1", "BOX ", idtmed[503], par, 3); // Hony
290	gMC->Gspos("FPE1", 0, "FLT1", 0., ycoor, 0., 0, "ONLY");
291	gMC->Gsvolu("FPE2", "BOX ", idtmed[503], par, 3); // Hony
292	gMC->Gspos("FPE2", 0, "FLT2", 0., ycoor, 0., 0, "ONLY");
293	gMC->Gsvolu("FPE3", "BOX ", idtmed[503], par, 3); // Hony
294	gMC->Gspos("FPE3", 0, "FLT3", 0., ycoor, 0., 0, "ONLY");
295
296	// Electronics (Cu) after
297	par[0] = -1;
298	par[1] = 1.43*0.05 / 2.; // 5% of X0
299	par[2] = -1;
300	ycoor = -yFLT/2 + SpaceAfter +par[1];
301	gMC->Gsvolu("FEC1", "BOX ", idtmed[501], par, 3); // Cu
302	gMC->Gspos("FEC1", 0, "FLT1", 0., ycoor, 0., 0, "ONLY");
303	gMC->Gsvolu("FEC2", "BOX ", idtmed[501], par, 3); // Cu
304	gMC->Gspos("FEC2", 0, "FLT2", 0., ycoor, 0., 0, "ONLY");
305	gMC->Gsvolu("FEC3", "BOX ", idtmed[501], par, 3); // Cu
306	gMC->Gspos("FEC3", 0, "FLT3", 0., ycoor, 0., 0, "ONLY");
307
308	// Cooling water after
309	ycoor = ycoor+par[1];
310	par[0] = -1;
311	par[1] = 36.1*0.02 / 2.; // 2% of X0
312	par[2] = -1;
313	ycoor = ycoor+par[1];
314	gMC->Gsvolu("FWA1", "BOX ", idtmed[515], par, 3); // Water
315	gMC->Gspos("FWA1", 0, "FLT1", 0., ycoor, 0., 0, "ONLY");
316	gMC->Gsvolu("FWA2", "BOX ", idtmed[515], par, 3); // Water
317	gMC->Gspos("FWA2", 0, "FLT2", 0., ycoor, 0., 0, "ONLY");
318	gMC->Gsvolu("FWA3", "BOX ", idtmed[515], par, 3); // Water
319	gMC->Gspos("FWA3", 0, "FLT3", 0., ycoor, 0., 0, "ONLY");
320
321	//back plate honycomb (2cm)
322	par[0] = -1;
323	par[1] = 2 / 2.;
324	par[2] = -1;
325	ycoor = yFLT/2 - par[1];
326	gMC->Gsvolu("FEG1", "BOX ", idtmed[503], par, 3); // Hony
327	gMC->Gspos("FEG1", 0, "FLT1", 0., ycoor, 0., 0, "ONLY");
328	gMC->Gsvolu("FEG2", "BOX ", idtmed[503], par, 3); // Hony
329	gMC->Gspos("FEG2", 0, "FLT2", 0., ycoor, 0., 0, "ONLY");
330	gMC->Gsvolu("FEG3", "BOX ", idtmed[503], par, 3); // Hony
331	gMC->Gspos("FEG3", 0, "FLT3", 0., ycoor, 0., 0, "ONLY");}
332
333	//_____________________________________________________________________________
334	void AliTOFv5::DrawModule()
335	{
336	//
337	// Draw a shaded view of the Time Of Flight version 1
338	//
339	// Set everything unseen
340	gMC->Gsatt("*", "seen", -1);
341	//
342	// Set ALIC mother transparent
343	gMC->Gsatt("ALIC","SEEN",0);
344	//
345	// Set the volumes visible
346	gMC->Gsatt("ALIC","SEEN",0);
347	gMC->Gsatt("FBAR","SEEN",1);
348	gMC->Gsatt("FTO1","SEEN",1);
349	gMC->Gsatt("FTO2","SEEN",1);
350	gMC->Gsatt("FTO3","SEEN",1);
351	gMC->Gsatt("FBT1","SEEN",1);
352	gMC->Gsatt("FBT2","SEEN",1);
353	gMC->Gsatt("FBT3","SEEN",1);
354	gMC->Gsatt("FDT1","SEEN",1);
355	gMC->Gsatt("FDT2","SEEN",1);
356	gMC->Gsatt("FDT3","SEEN",1);
357	gMC->Gsatt("FLT1","SEEN",1);
358	gMC->Gsatt("FLT2","SEEN",1);
359	gMC->Gsatt("FLT3","SEEN",1);
360	gMC->Gsatt("FPL1","SEEN",1);
361	gMC->Gsatt("FPL2","SEEN",1);
362	gMC->Gsatt("FPL3","SEEN",1);
363	gMC->Gsatt("FLD1","SEEN",1);
364	gMC->Gsatt("FLD2","SEEN",1);
365	gMC->Gsatt("FLD3","SEEN",1);
366	gMC->Gsatt("FLZ1","SEEN",1);
367	gMC->Gsatt("FLZ2","SEEN",1);
368	gMC->Gsatt("FLZ3","SEEN",1);
369	gMC->Gsatt("FLX1","SEEN",1);
370	gMC->Gsatt("FLX2","SEEN",1);
371	gMC->Gsatt("FLX3","SEEN",1);
372	gMC->Gsatt("FPA0","SEEN",1);
373	//
374	gMC->Gdopt("hide", "on");
375	gMC->Gdopt("shad", "on");
376	gMC->Gsatt("*", "fill", 7);
377	gMC->SetClipBox(".");
378	gMC->SetClipBox("*", 0, 1000, -1000, 1000, -1000, 1000);
379	gMC->DefaultRange();
380	gMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .02, .02);
381	gMC->Gdhead(1111, "Time Of Flight");
382	gMC->Gdman(18, 4, "MAN");
383	gMC->Gdopt("hide","off");
384	}
385
386	//_____________________________________________________________________________
387	void AliTOFv5::CreateMaterials()
388	{
389	//
390	// Define materials for the Time Of Flight
391	//
392	AliTOF::CreateMaterials();
393	}
394
395	//_____________________________________________________________________________
396	void AliTOFv5::Init()
397	{
398	//
399	// Initialise the detector after the geometry has been defined
400	//
ab76897d	401	printf("**************************************"
	402	" TOF "
	403	"**************************************\n");
	404	printf("\n Version 5 of TOF initialing, "
	405	"with openings for PHOS and RICH in symmetric frame\n\n");
	406
937fe4a4	407	AliTOF::Init();
ab76897d	408
937fe4a4	409	fIdFTO2=gMC->VolId("FTO2");
	410	fIdFTO3=gMC->VolId("FTO3");
	411	fIdFLT1=gMC->VolId("FLT1");
	412	fIdFLT2=gMC->VolId("FLT2");
	413	fIdFLT3=gMC->VolId("FLT3");
ab76897d	414
	415	printf("**************************************"
	416	" TOF "
	417	"**************************************\n");
937fe4a4	418	}
	419
	420	//_____________________________________________________________________________
	421	void AliTOFv5::StepManager()
	422	{
	423	//
	424	// Procedure called at each step in the Time Of Flight
	425	//
	426	TLorentzVector mom, pos;
826b71ec	427	Float_t hits[8],rho,z,phi,phid;
	428	Int_t sector, plate, pad_x, pad_z;
	429	Int_t copy, pad_x_id, pad_z_id, i;
937fe4a4	430	Int_t *idtmed = fIdtmed->GetArray()-499;
	431	if(gMC->GetMedium()==idtmed[514-1] &&
	432	gMC->IsTrackEntering() && gMC->TrackCharge()
	433	&& gMC->CurrentVolID(copy)==fIdSens) {
	434	TClonesArray &lhits = *fHits;
826b71ec	435
	436
	437	//_________getting information about hit volumes_____________
	438
	439	pad_z_id=gMC->CurrentVolOffID(3,copy);
	440	pad_z=copy;
	441
	442	pad_x_id=gMC->CurrentVolOffID(2,copy);
	443	pad_x=copy;
	444
	445	gMC->TrackPosition(pos);
	446	gMC->TrackMomentum(mom);
	447
	448	rho = sqrt(pos[0]pos[0]+pos[1]pos[1]);
	449	phi = TMath::ACos(pos[0]/rho);
	450	Float_t as = TMath::ASin(pos[1]/rho);
	451	if (as<0) phi = 2*3.141592654-phi;
	452
	453	z = pos[2];
	454
	455	if (z<=62. && z>=-62) plate = 3;
	456	if (z<=216. && z>62.) plate = 4;
	457	if (z>=-216. && z<-62.) plate = 2;
	458	if (z>216.) plate = 5;
	459	if (z<-216.) plate = 1;
	460
	461	phid = phi*kRaddeg;
	462	sector = Int_t (phid/20.);
	463	sector++;
	464
937fe4a4	465	Double_t ptot=mom.Rho();
	466	Double_t norm=1/ptot;
	467	for(i=0;i<3;++i) {
	468	hits[i]=pos[i];
	469	hits[i+3]=mom[i]*norm;
	470	}
	471	hits[6]=ptot;
	472	hits[7]=pos[3];
826b71ec	473	new(lhits[fNhits++]) AliTOFhit(fIshunt,gAlice->CurrentTrack(),sector,plate,pad_x,pad_z,hits);
937fe4a4	474	}
937fe4a4	475	}