[u/mrichter/AliRoot.git] / START / AliSTARTv0.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 1.9  2000/10/02 21:28:13  fca
Removal of useless dependecies via forward declarations

Revision 1.8  2000/07/13 16:41:29  fca
New START corrected for coding conventions

Revision 1.7  2000/01/21 15:45:23  fca
New Version from Alla

Revision 1.6  1999/11/12 15:04:00  fca
Modifications from A.Maevskaya

Revision 1.5  1999/09/29 09:24:29  fca
Introduction of the Copyright and cvs Log

*/ 

/////////////////////////////////////////////////////////////////////
//                                                                 //
// START ( T-zero) detector  version 0                        //
//
//Begin Html       
/*
<img src="gif/AliSTARTv0Class.gif">
*/
//End Html
//                                                                  //
//                                                                  //
//////////////////////////////////////////////////////////////////////

#include <TMath.h>
#include <TGeometry.h>
#include <TTUBE.h>
#include <TNode.h>
#include <TLorentzVector.h>

#include "AliSTARTv0.h"
#include "AliRun.h"
#include "AliMC.h"
#include "AliMagF.h"
#include "AliSTARThit.h"

#include <iostream.h>
#include <fstream.h>

//#include "TGeant3.h"
#include <stdlib.h>

ClassImp(AliSTARTv0)

//--------------------------------------------------------------------
AliSTARTv0::AliSTARTv0(const char *name, const char *title):
 AliSTART(name,title)
{
  //
  // Standart constructor for START Detector version 0
  //
  fIdSens1=0;
//  setBufferSize(128000);
}
//-------------------------------------------------------------------------
void AliSTARTv0::CreateGeometry()
{
  //
  // Create the geometry of START Detector version 0
  //
  // begin Html
  /*
   <img src="gif/AliSTARTv0.gif">
  */
  //


  Int_t *idtmed = fIdtmed->GetArray();
  
  Int_t is;
  Int_t idrotm[999];
  Float_t x,y,z;

  Float_t pstart[3]={4.5,10.7,5.3};
  Float_t ppmt[3]={0.,1.3,3.5};
  Float_t pdivider[3]={0.,1.2,1.75};
  Float_t pdiv2[3]={0.,1.2,1.25};
  Float_t pdiv1[3]={0.6,1.2,0.5};
  Float_t ptop[3]={0.,1.3,1.5};
  Float_t pbot[3]={0.6,1.2,0.1};
  Float_t pglass[3]={1.2,1.3,2.};
  Float_t pcer[3]={0.9,1.1,0.09};
  Float_t psteel[3]={0.9,1.1,0.01};
  Float_t ppins[3]={0.6,1.2,0.014};
  Float_t phole[3]={0.6,1.2,0.015};
  Float_t pknob[3]={0.5,0.6,0.4};
  Float_t pknob_vac[3]={0.,0.5,0.4};
  Float_t pknob_bot[3]={0.,0.6,0.05};
  Float_t pribber[3] = {0.,1.2,2.413/2.};
  Float_t presist[3] = {0.,1.2,0.087/2.};

  Float_t zdet=75.;
 //-------------------------------------------------------------------
 //  START volume 
 //-------------------------------------------------------------------
  
    AliMatrix(idrotm[901], 90., 0., 90., 90., 180., 0.);
    gMC->Gsvolu("STRT","TUBE",idtmed[1],pstart,3);
    gMC->Gspos("STRT",1,"ALIC",0.,0.,zdet,0,"ONLY");
    gMC->Gspos("STRT",2,"ALIC",0.,0.,-zdet,idrotm[901],"ONLY");

//START interior
    gMC->Gsvolu("PMT ","TUBE",idtmed[3],ppmt,3);     
    gMC->Gsvolu("DIVI","TUBE",idtmed[3],pdivider,3);     

// first ring: 12 units of Scintillator+PMT+divider
    Double_t dang1 = 2*TMath::Pi()/12;
    for (is=1; is<=12; is++)
      {  
	x=6.5*TMath::Sin(is*dang1);
	y=6.5*TMath::Cos(is*dang1);
	z=-pstart[2]+ppmt[2];
	gMC->Gspos("PMT ",is,"STRT",x,y,z,0,"ONLY");
	printf("z PMT %f\n",z);
	z=z+ppmt[2]+pdiv2[2];
	printf(" is %d, z Divider %f\n",is,z);
	gMC->Gspos("DIVI",is,"STRT",x,y,z,0,"ONLY");
      }
     /*  
//second ring: 20 units of Scintillator+PMT+divider
      Double_t dang2 = 2*TMath::Pi()/26;
      Double_t dang3 = 2*TMath::Pi()/20;
       for (is=14; is<=33;is++)  
     {  
     x=9.3*TMath::Sin(dang2+(is-13)*dang3);
     y=9.3*TMath::Cos(dang2+(is-13)*dang3);
      z=-pstart[2]+ppmt[2];
      gMC->Gspos("PMT ",is,"STRT",x,y,z,0,"ONLY");
      z=z+ppmt[2]+pdiv2[2];
      gMC->Gspos("DIVI",is,"STRT",x,y,z,0,"ONLY");
      }
     */
// PMT
      
    // Entry window (glass)
    gMC->Gsvolu("PTOP","TUBE",idtmed[6],ptop,3);
    z=-ppmt[2]+ptop[2];
    gMC->Gspos("PTOP",1,"PMT ",0,0,z,0,"ONLY");
    //     printf("Z PTOP %f -ppmt[2] %f ptop[2] %f\n",z,-ppmt[2],ptop[2]);
    // Bottom glass
    gMC->Gsvolu("PBOT","TUBE",idtmed[6],pbot,3);
    z=ppmt[2]-pbot[2];
    printf("Z bottom %f\n",z);
    gMC->Gspos("PBOT",1,"PMT ",0,0,z,0,"ONLY");
    // Side cylinder glass
    gMC->Gsvolu("POUT","TUBE",idtmed[6],pglass,3);
    z=ppmt[2]-pglass[2];
    //      printf("Z glass %f\n",z);
    gMC->Gspos("POUT",1,"PMT ",0,0,z,0,"ONLY");
    //PMT electrodes support structure
    gMC->Gsvolu("PCER","TUBE",idtmed[4],pcer,3);
    gMC->Gsvolu("PSTE","TUBE",idtmed[8],psteel,3);
    z=-ppmt[2]+2*ptop[2]+0.3;;
    //      printf("Z Cer 1 %f\n",z);
    for (is=1; is<=15; is++)
      {
	z=z+psteel[2]+pcer[2];
	gMC->Gspos("PCER",is,"PMT",0,0,z,0,"ONLY");
	z=z+psteel[2]+pcer[2];
	gMC->Gspos("PSTE",is,"PMT",0,0,z,0,"ONLY");
      }
    
    // Divider
    // Knob at the bottom of PMT baloon
    
    gMC->Gsvolu("KNOB","TUBE",idtmed[6],pknob,3);
    z=-pdivider[2]+pknob[2];
    //      printf("zknob %f\n",z);
    gMC->Gspos("KNOB",1,"DIVI",0,0,z,0,"ONLY");
    gMC->Gsvolu("KNBO","TUBE",idtmed[6],pknob_bot,3);
    z=-pdivider[2]+2*pknob[2]+pknob_bot[2];
    //      printf("knobbot %f\n",z);
    gMC->Gspos("KNBO",1,"DIVI ",0,0,z,0,"ONLY");
    gMC->Gsvolu("KNVA","TUBE",idtmed[6],pknob_vac,3);
    z=-pdivider[2]+pknob_vac[2];
    //      printf("knobvac %f\n",z);
    gMC->Gspos("KNVA",1,"DIVI",0,0,z,0,"ONLY");
    //Steel pins + pin holes
    gMC->Gsvolu("PINS","TUBE",idtmed[8],ppins,3);
    z=-pdivider[2]+ppins[2];
    gMC->Gspos("PINS",1,"DIVI",0,0,z,0,"ONLY");
    gMC->Gsvolu("HOLE","TUBE",idtmed[11],phole,3);
    z=-pdivider[2]+2*ppins[2]+phole[2];
    gMC->Gspos("HOLE",1,"DIVI",0,0,z,0,"ONLY");
    
    //Socket
    gMC->Gsvolu("DIV1","TUBE",idtmed[4],pdiv1,3);
    z=-pdivider[2]+pdiv1[2];
    gMC->Gspos("DIV1",1,"DIVI",0,0,z,0,"ONLY");
    //Resistors
    gMC->Gsvolu("DIV2","TUBE",idtmed[1],pdiv2,3);
    z=pdivider[2]-pdiv2[2];
    gMC->Gspos("DIV2",1,"DIVI",0,0,z,0,"ONLY");
    gMC->Gsvolu("DRES","TUBE",idtmed[4],presist,3);
    z=-pdiv2[2]+presist[2];
    gMC->Gspos("DRES",1,"DIV2",0,0,z,0,"ONLY");
    gMC->Gsvolu("DRIB","TUBE",idtmed[9],pribber,3);
    z=pdiv2[2]-pribber[2];
    gMC->Gspos("DRIB",1,"DIV2",0,0,z,0,"ONLY");
    //      printf("z DRIB %f\n",z);
    
    
}    
//------------------------------------------------------------------------
void AliSTARTv0::CreateMaterials()
{
   Int_t isxfld   = gAlice->Field()->Integ();
   Float_t sxmgmx = gAlice->Field()->Max();
   Float_t a,z,d,radl,absl,buf[1];
   Int_t nbuf;

// Scintillator CH
   Float_t ascin[2]={1.01,12.01};
   Float_t zscin[2]={1,6};
   Float_t wscin[2]={1,1};
   Float_t denscin=1.03;
// PMT glass SiO2
   Float_t aglass[2]={28.0855,15.9994};
   Float_t zglass[2]={14.,8.};
   Float_t wglass[2]={1.,2.};
   Float_t dglass=2.65;
// Ceramic   97.2% Al2O3 , 2.8% SiO2
   Float_t acer[2],zcer[2],wcer[2]={0.972,0.028};
   Float_t aal2o3[2]  = { 26.981539,15.9994 };
   Float_t zal2o3[2]  = { 13.,8. };
   Float_t wal2o3[2]  = { 2.,3. };
   Float_t denscer  = 3.6;

// Brass 80% Cu, 20% Zn
   Float_t abrass[2] = {63.546,65.39};
   Float_t zbrass[2] = {29,30};
   Float_t wbrass[2] = {0.8,0.2};
   Float_t denbrass=8.96;

//Ribber C6H12S
   Float_t aribber[3] = {12.,1.,32.};
   Float_t zribber[3] = {6.,1.,16.};
   Float_t wribber[3] = {6.,12.,1.};
   Float_t denribber=0.8;
   /*
// Definition Cherenkov parameters
   Float_t ppckov[14] = { 5.63e-9,5.77e-9,5.9e-9,6.05e-9,6.2e-9,6.36e-9,6.52e-9,6.7e-9,6.88e-9,7.08e-9,7.3e-9,7.51e-9,7.74e-9,8e-9 };
   Float_t rindex_quarz[14] = { 1.528309,1.533333,
				1.538243,1.544223,1.550568,1.55777,
				1.565463,1.574765,1.584831,1.597027,
			        1.611858,1.6277,1.6472,1.6724 };
 
   Float_t absco_quarz[14] = { 20.126,16.27,13.49,11.728,9.224,8.38,7.44,7.17,
				6.324,4.483,1.6,.323,.073,0. };
   */
   //   Int_t *idtmed = fIdtmed->GetArray()-999;
    
   //  TGeant3 *geant3 = (TGeant3*) gMC;
    
//*** Definition Of avaible START materials ***
   AliMaterial(0, "START Steel$", 55.850,26.,7.87,1.76,999);
   AliMaterial(1, "START Vacuum$", 1.e-16,1.e-16,1.e-16,1.e16,999);
   AliMaterial(2, "START Air$", 14.61, 7.3, .001205, 30423.,999); 

   AliMixture( 3, "Al2O3   $", aal2o3, zal2o3, denscer, -2, wal2o3);
   AliMixture( 4, "PMT glass   $",aglass,zglass,dglass,-2,wglass);
   char namate[21];
   gMC->Gfmate((*fIdmate)[3], namate, a, z, d, radl, absl, buf, nbuf);
   acer[0]=a;
   zcer[0]=z;
   gMC->Gfmate((*fIdmate)[4], namate, a, z, d, radl, absl, buf, nbuf);
   acer[1]=a;
   zcer[1]=z;
   
   AliMixture( 9, "Ceramic    $", acer, zcer, denscer, 2, wcer);
   AliMixture( 5, "Scintillator$",ascin,zscin,denscin,-2,wscin);
   AliMixture( 6, "Brass    $", abrass, zbrass, denbrass, 2, wbrass);
   
   AliMixture( 7, "Ribber $",aribber,zribber,denribber,-3,wribber);
   
   
   AliMedium(1, "START Air$", 2, 0, isxfld, sxmgmx, 10., .1, 1., .003, .003);
   AliMedium(2, "Scintillator$", 5, 1, isxfld, sxmgmx, 10., .01, 1., .003, .003);
   AliMedium(3, "Vacuum$", 1, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003);
   AliMedium(4, "Ceramic$", 9, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003);
   AliMedium(6, "Glass$", 4, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003);
   AliMedium(8, "Steel$", 0, 0, isxfld, sxmgmx, 1., .001, 1., .001, .001);
   AliMedium(11, "Brass  $", 6, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003);
   AliMedium(9, "Ribber  $", 7, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003);

//  geant3->Gsckov(idtmed[2105], 14, ppckov, absco_quarz, effic_all,rindex_quarz);

}
//---------------------------------------------------------------------
void AliSTARTv0::DrawModule()
{
//
// Draw a shaded view of the Forward multiplicity detector version 0
//
  
  //Set ALIC mother transparent
  gMC->Gsatt("ALIC","SEEN",0);
  //
  //Set volumes visible
  gMC->Gsatt("STRT","SEEN",0);
  gMC->Gsatt("PMT ","SEEN",1);
  gMC->Gsatt("DIVI","SEEN",1);
  //
  gMC->Gdopt("hide","on");
  gMC->Gdopt("shad","on");
  gMC->SetClipBox(".");
  gMC->SetClipBox("*",0,1000,-1000,1000,-1000,1000);
  gMC->DefaultRange();
  gMC->Gdraw("alic",40,30,0,12,9.5,.7,0.7);
  gMC->Gdhead(1111,"T-Zero detector");
  gMC->Gdopt("hide","off");
}

//-------------------------------------------------------------------
void AliSTARTv0::Init()
{
// Initialises version 0 of the Forward Multiplicity Detector
//
//Int_t *idtmed  = gAlice->Idtmed();
  AliSTART::Init();
  fIdSens1=gMC->VolId("PTOP");
  printf("*** START version 0 initialized ***\n");
 
}

//-------------------------------------------------------------------

void AliSTARTv0::StepManager()
{
  //
  // Called for every step in the START Detector
  //
  Int_t id,copy,copy1;
  static Float_t hits[7];
  static Float_t edep;
  static Int_t vol[2];
  TLorentzVector pos;
  
  TClonesArray &lhits = *fHits;
  
  if(!gMC->IsTrackAlive()) return; // particle has disappeared
  Float_t charge = gMC->TrackCharge();
  if(TMath::Abs(charge)<=0.) return; //take only charged particles
  //    gMC->Gpcxyz();
  id=gMC->CurrentVolID(copy);
  
  
  //  printf("gMC->ckine->ipart %d",gMC->ckine->ipart);
  // Check the sensetive volume
  if(id==fIdSens1 ) {
    if(gMC->IsTrackEntering()) {
      gMC->CurrentVolOffID(2,copy);
      vol[0]=copy;
      gMC->CurrentVolOffID(1,copy1);
      vol[1]=copy1;
      gMC->TrackPosition(pos);
      hits[0] = pos[0];
      hits[1] = pos[1];
      hits[2] = pos[2];
      Float_t etot=gMC->Etot();
      hits[4]=etot;
      Int_t part= gMC->TrackPid();
      hits[5]=part;
      Float_t ttime=gMC->TrackTime();
      hits[6]=ttime*1e9;
      edep=0;
    }
    if(gMC->IsTrackInside()) 	{
      Float_t de=gMC->Edep(); 
      edep=edep+de;
      //       printf ("E deposition %f\n",edep);
      //    for (i=0; i<=6; i++){
      //    printf(" HITS on START inside %f\n",hits[i]); } 
    }
    if(gMC->IsTrackExiting())	{
      Float_t de=gMC->Edep(); 
      edep=edep+de;
      hits[3]=edep*1e3;

      //       for (i=0; i<=6; i++){
      //	 printf(" HITS on START Exit %f\n",hits[i]); } 
      //for (i=0; i<=1; i++) { printf("START vol %d\n",vol[i]);}
     
      new(lhits[fNhits++]) AliSTARThit(fIshunt,gAlice->CurrentTrack(),vol,hits);      
    }
  }
//---------------------------------------------------------------------
}
Commit	Line	Data
4c039060	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	$Log$
0cc62300	18	Revision 1.9 2000/10/02 21:28:13 fca
	19	Removal of useless dependecies via forward declarations
	20
94de3818	21	Revision 1.8 2000/07/13 16:41:29 fca
	22	New START corrected for coding conventions
	23
ef51244a	24	Revision 1.7 2000/01/21 15:45:23 fca
	25	New Version from Alla
	26
971579f6	27	Revision 1.6 1999/11/12 15:04:00 fca
	28	Modifications from A.Maevskaya
	29
82fc3fb3	30	Revision 1.5 1999/09/29 09:24:29 fca
	31	Introduction of the Copyright and cvs Log
	32
971579f6	33	*/
4c039060	34
6ca40650	35	/////////////////////////////////////////////////////////////////////
	36	// //
	37	// START ( T-zero) detector version 0 //
	38	//
	39	//Begin Html
	40	/*
	41	<img src="gif/AliSTARTv0Class.gif">
	42	*/
	43	//End Html
	44	// //
	45	// //
	46	//////////////////////////////////////////////////////////////////////
	47
	48	#include <TMath.h>
	49	#include <TGeometry.h>
	50	#include <TTUBE.h>
	51	#include <TNode.h>
0cc62300	52	#include <TLorentzVector.h>
6ca40650	53
	54	#include "AliSTARTv0.h"
	55	#include "AliRun.h"
	56	#include "AliMC.h"
94de3818	57	#include "AliMagF.h"
971579f6	58	#include "AliSTARThit.h"
6ca40650	59
	60	#include <iostream.h>
	61	#include <fstream.h>
	62
	63	//#include "TGeant3.h"
	64	#include <stdlib.h>
	65
	66	ClassImp(AliSTARTv0)
	67
	68	//--------------------------------------------------------------------
	69	AliSTARTv0::AliSTARTv0(const char name, const char title):
	70	AliSTART(name,title)
	71	{
	72	//
	73	// Standart constructor for START Detector version 0
	74	//
	75	fIdSens1=0;
	76	// setBufferSize(128000);
	77	}
	78	//-------------------------------------------------------------------------
	79	void AliSTARTv0::CreateGeometry()
	80	{
	81	//
	82	// Create the geometry of START Detector version 0
	83	//
	84	// begin Html
	85	/*
	86	<img src="gif/AliSTARTv0.gif">
	87	*/
	88	//
	89
	90
971579f6	91	Int_t *idtmed = fIdtmed->GetArray();
6ca40650	92
	93	Int_t is;
	94	Int_t idrotm[999];
	95	Float_t x,y,z;
	96
	97	Float_t pstart[3]={4.5,10.7,5.3};
6ca40650	98	Float_t ppmt[3]={0.,1.3,3.5};
	99	Float_t pdivider[3]={0.,1.2,1.75};
	100	Float_t pdiv2[3]={0.,1.2,1.25};
	101	Float_t pdiv1[3]={0.6,1.2,0.5};
	102	Float_t ptop[3]={0.,1.3,1.5};
	103	Float_t pbot[3]={0.6,1.2,0.1};
	104	Float_t pglass[3]={1.2,1.3,2.};
	105	Float_t pcer[3]={0.9,1.1,0.09};
	106	Float_t psteel[3]={0.9,1.1,0.01};
	107	Float_t ppins[3]={0.6,1.2,0.014};
	108	Float_t phole[3]={0.6,1.2,0.015};
	109	Float_t pknob[3]={0.5,0.6,0.4};
	110	Float_t pknob_vac[3]={0.,0.5,0.4};
	111	Float_t pknob_bot[3]={0.,0.6,0.05};
	112	Float_t pribber[3] = {0.,1.2,2.413/2.};
	113	Float_t presist[3] = {0.,1.2,0.087/2.};
	114
	115	Float_t zdet=75.;
	116	//-------------------------------------------------------------------
	117	// START volume
	118	//-------------------------------------------------------------------
971579f6	119
6ca40650	120	AliMatrix(idrotm[901], 90., 0., 90., 90., 180., 0.);
971579f6	121	gMC->Gsvolu("STRT","TUBE",idtmed[1],pstart,3);
6ca40650	122	gMC->Gspos("STRT",1,"ALIC",0.,0.,zdet,0,"ONLY");
	123	gMC->Gspos("STRT",2,"ALIC",0.,0.,-zdet,idrotm[901],"ONLY");
	124
	125	//START interior
971579f6	126	gMC->Gsvolu("PMT ","TUBE",idtmed[3],ppmt,3);
971579f6	127	gMC->Gsvolu("DIVI","TUBE",idtmed[3],pdivider,3);
6ca40650	128
ef51244a	129	// first ring: 12 units of Scintillator+PMT+divider
971579f6	130	Double_t dang1 = 2*TMath::Pi()/12;
	131	for (is=1; is<=12; is++)
	132	{
	133	x=6.5TMath::Sin(isdang1);
	134	y=6.5TMath::Cos(isdang1);
	135	z=-pstart[2]+ppmt[2];
	136	gMC->Gspos("PMT ",is,"STRT",x,y,z,0,"ONLY");
	137	printf("z PMT %f\n",z);
	138	z=z+ppmt[2]+pdiv2[2];
	139	printf(" is %d, z Divider %f\n",is,z);
	140	gMC->Gspos("DIVI",is,"STRT",x,y,z,0,"ONLY");
	141	}
	142	/*
6ca40650	143	//second ring: 20 units of Scintillator+PMT+divider
971579f6	144	Double_t dang2 = 2*TMath::Pi()/26;
	145	Double_t dang3 = 2*TMath::Pi()/20;
	146	for (is=14; is<=33;is++)
	147	{
	148	x=9.3TMath::Sin(dang2+(is-13)dang3);
	149	y=9.3TMath::Cos(dang2+(is-13)dang3);
6ca40650	150	z=-pstart[2]+ppmt[2];
6ca40650	151	gMC->Gspos("PMT ",is,"STRT",x,y,z,0,"ONLY");
971579f6	152	z=z+ppmt[2]+pdiv2[2];
6ca40650	153	gMC->Gspos("DIVI",is,"STRT",x,y,z,0,"ONLY");
971579f6	154	}
971579f6	155	*/
6ca40650	156	// PMT
6ca40650	157
971579f6	158	// Entry window (glass)
	159	gMC->Gsvolu("PTOP","TUBE",idtmed[6],ptop,3);
	160	z=-ppmt[2]+ptop[2];
	161	gMC->Gspos("PTOP",1,"PMT ",0,0,z,0,"ONLY");
	162	// printf("Z PTOP %f -ppmt[2] %f ptop[2] %f\n",z,-ppmt[2],ptop[2]);
	163	// Bottom glass
	164	gMC->Gsvolu("PBOT","TUBE",idtmed[6],pbot,3);
	165	z=ppmt[2]-pbot[2];
	166	printf("Z bottom %f\n",z);
	167	gMC->Gspos("PBOT",1,"PMT ",0,0,z,0,"ONLY");
	168	// Side cylinder glass
	169	gMC->Gsvolu("POUT","TUBE",idtmed[6],pglass,3);
	170	z=ppmt[2]-pglass[2];
	171	// printf("Z glass %f\n",z);
	172	gMC->Gspos("POUT",1,"PMT ",0,0,z,0,"ONLY");
	173	//PMT electrodes support structure
	174	gMC->Gsvolu("PCER","TUBE",idtmed[4],pcer,3);
	175	gMC->Gsvolu("PSTE","TUBE",idtmed[8],psteel,3);
	176	z=-ppmt[2]+2*ptop[2]+0.3;;
	177	// printf("Z Cer 1 %f\n",z);
	178	for (is=1; is<=15; is++)
6ca40650	179	{
971579f6	180	z=z+psteel[2]+pcer[2];
	181	gMC->Gspos("PCER",is,"PMT",0,0,z,0,"ONLY");
	182	z=z+psteel[2]+pcer[2];
	183	gMC->Gspos("PSTE",is,"PMT",0,0,z,0,"ONLY");
	184	}
	185
	186	// Divider
	187	// Knob at the bottom of PMT baloon
	188
	189	gMC->Gsvolu("KNOB","TUBE",idtmed[6],pknob,3);
	190	z=-pdivider[2]+pknob[2];
	191	// printf("zknob %f\n",z);
	192	gMC->Gspos("KNOB",1,"DIVI",0,0,z,0,"ONLY");
	193	gMC->Gsvolu("KNBO","TUBE",idtmed[6],pknob_bot,3);
	194	z=-pdivider[2]+2*pknob[2]+pknob_bot[2];
	195	// printf("knobbot %f\n",z);
	196	gMC->Gspos("KNBO",1,"DIVI ",0,0,z,0,"ONLY");
	197	gMC->Gsvolu("KNVA","TUBE",idtmed[6],pknob_vac,3);
	198	z=-pdivider[2]+pknob_vac[2];
	199	// printf("knobvac %f\n",z);
	200	gMC->Gspos("KNVA",1,"DIVI",0,0,z,0,"ONLY");
	201	//Steel pins + pin holes
	202	gMC->Gsvolu("PINS","TUBE",idtmed[8],ppins,3);
	203	z=-pdivider[2]+ppins[2];
	204	gMC->Gspos("PINS",1,"DIVI",0,0,z,0,"ONLY");
	205	gMC->Gsvolu("HOLE","TUBE",idtmed[11],phole,3);
	206	z=-pdivider[2]+2*ppins[2]+phole[2];
	207	gMC->Gspos("HOLE",1,"DIVI",0,0,z,0,"ONLY");
	208
	209	//Socket
	210	gMC->Gsvolu("DIV1","TUBE",idtmed[4],pdiv1,3);
	211	z=-pdivider[2]+pdiv1[2];
	212	gMC->Gspos("DIV1",1,"DIVI",0,0,z,0,"ONLY");
	213	//Resistors
	214	gMC->Gsvolu("DIV2","TUBE",idtmed[1],pdiv2,3);
	215	z=pdivider[2]-pdiv2[2];
	216	gMC->Gspos("DIV2",1,"DIVI",0,0,z,0,"ONLY");
	217	gMC->Gsvolu("DRES","TUBE",idtmed[4],presist,3);
	218	z=-pdiv2[2]+presist[2];
	219	gMC->Gspos("DRES",1,"DIV2",0,0,z,0,"ONLY");
	220	gMC->Gsvolu("DRIB","TUBE",idtmed[9],pribber,3);
	221	z=pdiv2[2]-pribber[2];
	222	gMC->Gspos("DRIB",1,"DIV2",0,0,z,0,"ONLY");
	223	// printf("z DRIB %f\n",z);
	224
	225
6ca40650	226	}
	227	//------------------------------------------------------------------------
	228	void AliSTARTv0::CreateMaterials()
	229	{
ef51244a	230	Int_t isxfld = gAlice->Field()->Integ();
ef51244a	231	Float_t sxmgmx = gAlice->Field()->Max();
6ca40650	232	Float_t a,z,d,radl,absl,buf[1];
	233	Int_t nbuf;
	234
	235	// Scintillator CH
82fc3fb3	236	Float_t ascin[2]={1.01,12.01};
	237	Float_t zscin[2]={1,6};
	238	Float_t wscin[2]={1,1};
	239	Float_t denscin=1.03;
6ca40650	240	// PMT glass SiO2
971579f6	241	Float_t aglass[2]={28.0855,15.9994};
	242	Float_t zglass[2]={14.,8.};
	243	Float_t wglass[2]={1.,2.};
	244	Float_t dglass=2.65;
6ca40650	245	// Ceramic 97.2% Al2O3 , 2.8% SiO2
971579f6	246	Float_t acer[2],zcer[2],wcer[2]={0.972,0.028};
	247	Float_t aal2o3[2] = { 26.981539,15.9994 };
	248	Float_t zal2o3[2] = { 13.,8. };
	249	Float_t wal2o3[2] = { 2.,3. };
	250	Float_t denscer = 3.6;
6ca40650	251
	252	// Brass 80% Cu, 20% Zn
	253	Float_t abrass[2] = {63.546,65.39};
	254	Float_t zbrass[2] = {29,30};
	255	Float_t wbrass[2] = {0.8,0.2};
	256	Float_t denbrass=8.96;
	257
	258	//Ribber C6H12S
	259	Float_t aribber[3] = {12.,1.,32.};
	260	Float_t zribber[3] = {6.,1.,16.};
	261	Float_t wribber[3] = {6.,12.,1.};
	262	Float_t denribber=0.8;
971579f6	263	/*
	264	// Definition Cherenkov parameters
	265	Float_t ppckov[14] = { 5.63e-9,5.77e-9,5.9e-9,6.05e-9,6.2e-9,6.36e-9,6.52e-9,6.7e-9,6.88e-9,7.08e-9,7.3e-9,7.51e-9,7.74e-9,8e-9 };
	266	Float_t rindex_quarz[14] = { 1.528309,1.533333,
	267	1.538243,1.544223,1.550568,1.55777,
	268	1.565463,1.574765,1.584831,1.597027,
	269	1.611858,1.6277,1.6472,1.6724 };
6ca40650	270
971579f6	271	Float_t absco_quarz[14] = { 20.126,16.27,13.49,11.728,9.224,8.38,7.44,7.17,
	272	6.324,4.483,1.6,.323,.073,0. };
	273	*/
	274	// Int_t *idtmed = fIdtmed->GetArray()-999;
	275
	276	// TGeant3 geant3 = (TGeant3) gMC;
	277
6ca40650	278	//* Definition Of avaible START materials *
971579f6	279	AliMaterial(0, "START Steel$", 55.850,26.,7.87,1.76,999);
	280	AliMaterial(1, "START Vacuum$", 1.e-16,1.e-16,1.e-16,1.e16,999);
	281	AliMaterial(2, "START Air$", 14.61, 7.3, .001205, 30423.,999);
	282
	283	AliMixture( 3, "Al2O3 $", aal2o3, zal2o3, denscer, -2, wal2o3);
	284	AliMixture( 4, "PMT glass $",aglass,zglass,dglass,-2,wglass);
	285	char namate[21];
	286	gMC->Gfmate((*fIdmate)[3], namate, a, z, d, radl, absl, buf, nbuf);
	287	acer[0]=a;
	288	zcer[0]=z;
	289	gMC->Gfmate((*fIdmate)[4], namate, a, z, d, radl, absl, buf, nbuf);
	290	acer[1]=a;
	291	zcer[1]=z;
	292
	293	AliMixture( 9, "Ceramic $", acer, zcer, denscer, 2, wcer);
	294	AliMixture( 5, "Scintillator$",ascin,zscin,denscin,-2,wscin);
	295	AliMixture( 6, "Brass $", abrass, zbrass, denbrass, 2, wbrass);
	296
	297	AliMixture( 7, "Ribber $",aribber,zribber,denribber,-3,wribber);
	298
	299
ef51244a	300	AliMedium(1, "START Air$", 2, 0, isxfld, sxmgmx, 10., .1, 1., .003, .003);
	301	AliMedium(2, "Scintillator$", 5, 1, isxfld, sxmgmx, 10., .01, 1., .003, .003);
	302	AliMedium(3, "Vacuum$", 1, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003);
	303	AliMedium(4, "Ceramic$", 9, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003);
	304	AliMedium(6, "Glass$", 4, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003);
	305	AliMedium(8, "Steel$", 0, 0, isxfld, sxmgmx, 1., .001, 1., .001, .001);
	306	AliMedium(11, "Brass $", 6, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003);
	307	AliMedium(9, "Ribber $", 7, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003);
6ca40650	308
971579f6	309	// geant3->Gsckov(idtmed[2105], 14, ppckov, absco_quarz, effic_all,rindex_quarz);
6ca40650	310
	311	}
	312	//---------------------------------------------------------------------
77ee006c	313	void AliSTARTv0::DrawModule()
6ca40650	314	{
	315	//
	316	// Draw a shaded view of the Forward multiplicity detector version 0
	317	//
971579f6	318
	319	//Set ALIC mother transparent
	320	gMC->Gsatt("ALIC","SEEN",0);
	321	//
	322	//Set volumes visible
	323	gMC->Gsatt("STRT","SEEN",0);
	324	gMC->Gsatt("PMT ","SEEN",1);
	325	gMC->Gsatt("DIVI","SEEN",1);
	326	//
	327	gMC->Gdopt("hide","on");
	328	gMC->Gdopt("shad","on");
	329	gMC->SetClipBox(".");
	330	gMC->SetClipBox("*",0,1000,-1000,1000,-1000,1000);
	331	gMC->DefaultRange();
	332	gMC->Gdraw("alic",40,30,0,12,9.5,.7,0.7);
	333	gMC->Gdhead(1111,"T-Zero detector");
	334	gMC->Gdopt("hide","off");
6ca40650	335	}
971579f6	336
6ca40650	337	//-------------------------------------------------------------------
	338	void AliSTARTv0::Init()
	339	{
971579f6	340	// Initialises version 0 of the Forward Multiplicity Detector
	341	//
	342	//Int_t *idtmed = gAlice->Idtmed();
ca7295b2	343	AliSTART::Init();
	344	fIdSens1=gMC->VolId("PTOP");
	345	printf("* START version 0 initialized *\n");
6ca40650	346
	347	}
	348
	349	//-------------------------------------------------------------------
	350
	351	void AliSTARTv0::StepManager()
	352	{
	353	//
	354	// Called for every step in the START Detector
	355	//
	356	Int_t id,copy,copy1;
	357	static Float_t hits[7];
	358	static Float_t edep;
	359	static Int_t vol[2];
ca7295b2	360	TLorentzVector pos;
971579f6	361
6ca40650	362	TClonesArray &lhits = *fHits;
6ca40650	363
	364	if(!gMC->IsTrackAlive()) return; // particle has disappeared
	365	Float_t charge = gMC->TrackCharge();
	366	if(TMath::Abs(charge)<=0.) return; //take only charged particles
971579f6	367	// gMC->Gpcxyz();
	368	id=gMC->CurrentVolID(copy);
	369
	370
	371	// printf("gMC->ckine->ipart %d",gMC->ckine->ipart);
	372	// Check the sensetive volume
	373	if(id==fIdSens1 ) {
	374	if(gMC->IsTrackEntering()) {
	375	gMC->CurrentVolOffID(2,copy);
	376	vol[0]=copy;
	377	gMC->CurrentVolOffID(1,copy1);
	378	vol[1]=copy1;
	379	gMC->TrackPosition(pos);
	380	hits[0] = pos[0];
	381	hits[1] = pos[1];
	382	hits[2] = pos[2];
	383	Float_t etot=gMC->Etot();
	384	hits[4]=etot;
	385	Int_t part= gMC->TrackPid();
	386	hits[5]=part;
	387	Float_t ttime=gMC->TrackTime();
	388	hits[6]=ttime*1e9;
	389	edep=0;
6ca40650	390	}
971579f6	391	if(gMC->IsTrackInside()) {
	392	Float_t de=gMC->Edep();
	393	edep=edep+de;
	394	// printf ("E deposition %f\n",edep);
	395	// for (i=0; i<=6; i++){
	396	// printf(" HITS on START inside %f\n",hits[i]); }
6ca40650	397	}
971579f6	398	if(gMC->IsTrackExiting()) {
	399	Float_t de=gMC->Edep();
	400	edep=edep+de;
	401	hits[3]=edep*1e3;
	402
	403	// for (i=0; i<=6; i++){
	404	// printf(" HITS on START Exit %f\n",hits[i]); }
	405	//for (i=0; i<=1; i++) { printf("START vol %d\n",vol[i]);}
	406
	407	new(lhits[fNhits++]) AliSTARThit(fIshunt,gAlice->CurrentTrack(),vol,hits);
	408	}
	409	}
	410	//---------------------------------------------------------------------
	411	}
	412
	413
	414
6ca40650	415
	416
	417
	418
	419
	420