[u/mrichter/AliRoot.git] / START / AliSTARTv1.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.                  *
 **************************************************************************/


/////////////////////////////////////////////////////////////////////
//                                                                 //
// START ( T-zero) detector  version 1                             //
//
//Begin Html       
/*
<img src="gif/AliSTARTv1Class.gif">
*/
//End Html
//                                                                  //
//                                                                  //
//////////////////////////////////////////////////////////////////////

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

#include "AliSTARTv1.h"
#include "AliRun.h"
#include "AliMC.h"
#include "AliSTARThit.h"

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

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

ClassImp(AliSTARTv1)

//--------------------------------------------------------------------
AliSTARTv1::AliSTARTv1(const char *name, const char *title):
 AliSTART(name,title)
{
  //
  // Standart constructor for START Detector version 0
  //
  fIdSens1=0;
//  setBufferSize(128000);
}
//-------------------------------------------------------------------------
void AliSTARTv1::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 
 //-------------------------------------------------------------------
  
  //  Float_t theta=TMath::ATan(6.5/zdet);
  Float_t theta=(180./3.1415)*TMath::ATan(6.5/zdet);
    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++)
      {  
	AliMatrix(idrotm[901+is], 
		  90.-theta, 30.*is, 
		  90.,       90.+30.*is,
		  theta,    180.+30.*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,idrotm[901+is],"ONLY");
	printf("z PMT %f\n",z);
	z=z+ppmt[2]+pdiv2[2]-pdiv1[2];
	printf(" is %d, z Divider %f\n",is,z);
	gMC->Gspos("DIVI",is,"STRT",x,y,z,idrotm[901+is],"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[3],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 AliSTARTv1::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()-2100;
    
   //  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(9, "Ribber  $", 7, 0, ISXFLD, SXMGMX, 10., .01, .1, .003, .003);
   AliMedium(11, "Brass  $", 6, 0, ISXFLD, SXMGMX, 10., .01, .1, .003, .003);
   cout<<"++++++++++++++Medium set++++++++++"<<endl;

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

}
//---------------------------------------------------------------------
void AliSTARTv1::DrawDetector()
{
//
// 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 AliSTARTv1::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 AliSTARTv1::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
  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;
      Int_t i;
      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
bc46b572	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	/////////////////////////////////////////////////////////////////////
	18	// //
	19	// START ( T-zero) detector version 1 //
	20	//
	21	//Begin Html
	22	/*
	23	<img src="gif/AliSTARTv1Class.gif">
	24	*/
	25	//End Html
	26	// //
	27	// //
	28	//////////////////////////////////////////////////////////////////////
	29
	30	#include <TMath.h>
	31	#include <TGeometry.h>
	32	#include <TTUBE.h>
	33	#include <TNode.h>
	34
	35	#include "AliSTARTv1.h"
	36	#include "AliRun.h"
	37	#include "AliMC.h"
	38	#include "AliSTARThit.h"
	39
	40	#include <iostream.h>
	41	#include <fstream.h>
	42
	43	//#include "TGeant3.h"
	44	#include <stdlib.h>
	45
	46	ClassImp(AliSTARTv1)
	47
	48	//--------------------------------------------------------------------
	49	AliSTARTv1::AliSTARTv1(const char name, const char title):
	50	AliSTART(name,title)
	51	{
	52	//
	53	// Standart constructor for START Detector version 0
	54	//
	55	fIdSens1=0;
	56	// setBufferSize(128000);
	57	}
	58	//-------------------------------------------------------------------------
	59	void AliSTARTv1::CreateGeometry()
	60	{
	61	//
	62	// Create the geometry of START Detector version 0
	63	//
	64	// begin Html
65	/*
66	<img src="gif/AliSTARTv0.gif">
67	*/
68	//
69
70
71	Int_t *idtmed = fIdtmed->GetArray();
72
73	Int_t is;
74	Int_t idrotm[999];
75	Float_t x,y,z;
76
77	Float_t pstart[3]={4.5,10.7,5.3};
78	Float_t ppmt[3]={0.,1.3,3.5};
79	Float_t pdivider[3]={0.,1.2,1.75};
80	Float_t pdiv2[3]={0.,1.2,1.25};
81	Float_t pdiv1[3]={0.6,1.2,0.5};
82	Float_t ptop[3]={0.,1.3,1.5};
83	Float_t pbot[3]={0.6,1.2,0.1};
84	Float_t pglass[3]={1.2,1.3,2.};
85	Float_t pcer[3]={0.9,1.1,0.09};
86	Float_t psteel[3]={0.9,1.1,0.01};
87	Float_t ppins[3]={0.6,1.2,0.014};
88	Float_t phole[3]={0.6,1.2,0.015};
89	Float_t pknob[3]={0.5,0.6,0.4};
90	Float_t pknob_vac[3]={0.,0.5,0.4};
91	Float_t pknob_bot[3]={0.,0.6,0.05};
92	Float_t pribber[3] = {0.,1.2,2.413/2.};
93	Float_t presist[3] = {0.,1.2,0.087/2.};
94
95	Float_t zdet=75.;
96	//-------------------------------------------------------------------
97	// START volume
98	//-------------------------------------------------------------------
99
100	// Float_t theta=TMath::ATan(6.5/zdet);
101	Float_t theta=(180./3.1415)*TMath::ATan(6.5/zdet);
102	AliMatrix(idrotm[901], 90., 0., 90., 90., 180., 0.);
103
104	gMC->Gsvolu("STRT","TUBE",idtmed[1],pstart,3);
105	gMC->Gspos("STRT",1,"ALIC",0.,0.,zdet,0,"ONLY");
106	gMC->Gspos("STRT",2,"ALIC",0.,0.,-zdet,idrotm[901],"ONLY");
107
108	//START interior
109	gMC->Gsvolu("PMT ","TUBE",idtmed[3],ppmt,3);
110	gMC->Gsvolu("DIVI","TUBE",idtmed[3],pdivider,3);
111
112	// first ring: 12 units of Scintillator+PMT+divider
113	Double_t dang1 = 2*TMath::Pi()/12;
114	for (is=1; is<=12; is++)
115	{
116	AliMatrix(idrotm[901+is],
117	90.-theta, 30.*is,
118	90., 90.+30.*is,
119	theta, 180.+30.*is);
120	x=6.5TMath::Sin(isdang1);
121	y=6.5TMath::Cos(isdang1);
122	z=-pstart[2]+ppmt[2];
123	gMC->Gspos("PMT ",is,"STRT",x,y,z,idrotm[901+is],"ONLY");
124	printf("z PMT %f\n",z);
125	z=z+ppmt[2]+pdiv2[2]-pdiv1[2];
126	printf(" is %d, z Divider %f\n",is,z);
127	gMC->Gspos("DIVI",is,"STRT",x,y,z,idrotm[901+is],"ONLY");
128	}
129	/*
130	//second ring: 20 units of Scintillator+PMT+divider
131	Double_t dang2 = 2*TMath::Pi()/26;
132	Double_t dang3 = 2*TMath::Pi()/20;
133	for (is=14; is<=33;is++)
134	{
135	x=9.3TMath::Sin(dang2+(is-13)dang3);
136	y=9.3TMath::Cos(dang2+(is-13)dang3);
137	z=-pstart[2]+ppmt[2];
138	gMC->Gspos("PMT ",is,"STRT",x,y,z,0,"ONLY");
139	z=z+ppmt[2]+pdiv2[2];
140	gMC->Gspos("DIVI",is,"STRT",x,y,z,0,"ONLY");
141	}
142	*/
143	// PMT
144
145	// Entry window (glass)
146	gMC->Gsvolu("PTOP","TUBE",idtmed[6],ptop,3);
147	z=-ppmt[2]+ptop[2];
148	gMC->Gspos("PTOP",1,"PMT ",0,0,z,0,"ONLY");
149	// printf("Z PTOP %f -ppmt[2] %f ptop[2] %f\n",z,-ppmt[2],ptop[2]);
150	// Bottom glass
151	gMC->Gsvolu("PBOT","TUBE",idtmed[6],pbot,3);
152	z=ppmt[2]-pbot[2];
153	printf("Z bottom %f\n",z);
154	gMC->Gspos("PBOT",1,"PMT ",0,0,z,0,"ONLY");
155	// Side cylinder glass
156	gMC->Gsvolu("POUT","TUBE",idtmed[6],pglass,3);
157	z=ppmt[2]-pglass[2];
158	// printf("Z glass %f\n",z);
159	gMC->Gspos("POUT",1,"PMT ",0,0,z,0,"ONLY");
160	//PMT electrodes support structure
161	gMC->Gsvolu("PCER","TUBE",idtmed[4],pcer,3);
162	gMC->Gsvolu("PSTE","TUBE",idtmed[8],psteel,3);
163	z=-ppmt[2]+2*ptop[2]+0.3;;
164	// printf("Z Cer 1 %f\n",z);
165	for (is=1; is<=15; is++)
166	{
167	z=z+psteel[2]+pcer[2];
168	gMC->Gspos("PCER",is,"PMT",0,0,z,0,"ONLY");
169	z=z+psteel[2]+pcer[2];
170	gMC->Gspos("PSTE",is,"PMT",0,0,z,0,"ONLY");
171	}
172
173	// Divider
174	// Knob at the bottom of PMT baloon
175
176	gMC->Gsvolu("KNOB","TUBE",idtmed[6],pknob,3);
177	z=-pdivider[2]+pknob[2];
178	// printf("zknob %f\n",z);
179	gMC->Gspos("KNOB",1,"DIVI",0,0,z,0,"ONLY");
180	gMC->Gsvolu("KNBO","TUBE",idtmed[6],pknob_bot,3);
181	z=-pdivider[2]+2*pknob[2]+pknob_bot[2];
182	// printf("knobbot %f\n",z);
183	gMC->Gspos("KNBO",1,"DIVI ",0,0,z,0,"ONLY");
184	gMC->Gsvolu("KNVA","TUBE",idtmed[3],pknob_vac,3);
185	z=-pdivider[2]+pknob_vac[2];
186	// printf("knobvac %f\n",z);
187	gMC->Gspos("KNVA",1,"DIVI",0,0,z,0,"ONLY");
188	//Steel pins + pin holes
189	gMC->Gsvolu("PINS","TUBE",idtmed[8],ppins,3);
190	z=-pdivider[2]+ppins[2];
191	gMC->Gspos("PINS",1,"DIVI",0,0,z,0,"ONLY");
192	gMC->Gsvolu("HOLE","TUBE",idtmed[11],phole,3);
193	z=-pdivider[2]+2*ppins[2]+phole[2];
194	gMC->Gspos("HOLE",1,"DIVI",0,0,z,0,"ONLY");
195
196	//Socket
197	gMC->Gsvolu("DIV1","TUBE",idtmed[4],pdiv1,3);
198	z=-pdivider[2]+pdiv1[2];
199	gMC->Gspos("DIV1",1,"DIVI",0,0,z,0,"ONLY");
200	//Resistors
201	gMC->Gsvolu("DIV2","TUBE",idtmed[1],pdiv2,3);
202	z=pdivider[2]-pdiv2[2];
203	gMC->Gspos("DIV2",1,"DIVI",0,0,z,0,"ONLY");
204	gMC->Gsvolu("DRES","TUBE",idtmed[4],presist,3);
205	z=-pdiv2[2]+presist[2];
206	gMC->Gspos("DRES",1,"DIV2",0,0,z,0,"ONLY");
207	gMC->Gsvolu("DRIB","TUBE",idtmed[9],pribber,3);
208	z=pdiv2[2]-pribber[2];
209	gMC->Gspos("DRIB",1,"DIV2",0,0,z,0,"ONLY");
210	// printf("z DRIB %f\n",z);
211
212
213	}
214	//------------------------------------------------------------------------
215	void AliSTARTv1::CreateMaterials()
216	{
217	Int_t ISXFLD = gAlice->Field()->Integ();
218	Float_t SXMGMX = gAlice->Field()->Max();
219	Float_t a,z,d,radl,absl,buf[1];
220	Int_t nbuf;
221
222	// Scintillator CH
223	Float_t ascin[2]={1.01,12.01};
224	Float_t zscin[2]={1,6};
225	Float_t wscin[2]={1,1};
226	Float_t denscin=1.03;
227	// PMT glass SiO2
228	Float_t aglass[2]={28.0855,15.9994};
229	Float_t zglass[2]={14.,8.};
230	Float_t wglass[2]={1.,2.};
231	Float_t dglass=2.65;
232	// Ceramic 97.2% Al2O3 , 2.8% SiO2
233	Float_t acer[2],zcer[2],wcer[2]={0.972,0.028};
234	Float_t aal2o3[2] = { 26.981539,15.9994 };
235	Float_t zal2o3[2] = { 13.,8. };
236	Float_t wal2o3[2] = { 2.,3. };
237	Float_t denscer = 3.6;
238
239	// Brass 80% Cu, 20% Zn
240	Float_t abrass[2] = {63.546,65.39};
241	Float_t zbrass[2] = {29,30};
242	Float_t wbrass[2] = {0.8,0.2};
243	Float_t denbrass=8.96;
244
245	//Ribber C6H12S
246	Float_t aribber[3] = {12.,1.,32.};
247	Float_t zribber[3] = {6.,1.,16.};
248	Float_t wribber[3] = {6.,12.,1.};
249	Float_t denribber=0.8;
250	/*
251	// Definition Cherenkov parameters
252	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 };
253	Float_t rindex_quarz[14] = { 1.528309,1.533333,
254	1.538243,1.544223,1.550568,1.55777,
255	1.565463,1.574765,1.584831,1.597027,
256	1.611858,1.6277,1.6472,1.6724 };
257
258	Float_t absco_quarz[14] = { 20.126,16.27,13.49,11.728,9.224,8.38,7.44,7.17,
259	6.324,4.483,1.6,.323,.073,0. };
260	*/
261	Int_t *idtmed = fIdtmed->GetArray()-2100;
262
263	// TGeant3 geant3 = (TGeant3) gMC;
264
265	//* Definition Of avaible START materials *
266	AliMaterial(0, "START Steel$", 55.850,26.,7.87,1.76,999);
267	AliMaterial(1, "START Vacuum$", 1.e-16,1.e-16,1.e-16,1.e16,999);
268	AliMaterial(2, "START Air$", 14.61, 7.3, .001205, 30423.,999);
269
270	AliMixture( 3, "Al2O3 $", aal2o3, zal2o3, denscer, -2, wal2o3);
271	AliMixture( 4, "PMT glass $",aglass,zglass,dglass,-2,wglass);
272	char namate[21];
273	gMC->Gfmate((*fIdmate)[3], namate, a, z, d, radl, absl, buf, nbuf);
274	acer[0]=a;
275	zcer[0]=z;
276	gMC->Gfmate((*fIdmate)[4], namate, a, z, d, radl, absl, buf, nbuf);
277	acer[1]=a;
278	zcer[1]=z;
279
280	AliMixture( 9, "Ceramic $", acer, zcer, denscer, 2, wcer);
281	AliMixture( 5, "Scintillator$",ascin,zscin,denscin,-2,wscin);
282	AliMixture( 6, "Brass $", abrass, zbrass, denbrass, 2, wbrass);
283
284	AliMixture( 7, "Ribber $",aribber,zribber,denribber,-3,wribber);
285
286
287	AliMedium(1, "START Air$", 2, 0, ISXFLD, SXMGMX, 10., .1, 1., .003, .003);
288	AliMedium(2, "Scintillator$", 5, 1, ISXFLD, SXMGMX, 10., .01, 1., .003, .003);
289	AliMedium(3, "Vacuum$", 1, 0, ISXFLD, SXMGMX, 10., .01, .1, .003, .003);
290	AliMedium(4, "Ceramic$", 9, 0, ISXFLD, SXMGMX, 10., .01, .1, .003, .003);
291	AliMedium(6, "Glass$", 4, 0, ISXFLD, SXMGMX, 10., .01, .1, .003, .003);
292	AliMedium(8, "Steel$", 0, 0, ISXFLD, SXMGMX, 1., .001, 1., .001, .001);
293	AliMedium(9, "Ribber $", 7, 0, ISXFLD, SXMGMX, 10., .01, .1, .003, .003);
294	AliMedium(11, "Brass $", 6, 0, ISXFLD, SXMGMX, 10., .01, .1, .003, .003);
295	cout<<"++++++++++++++Medium set++++++++++"<<endl;
296
297	// geant3->Gsckov(idtmed[2105], 14, ppckov, absco_quarz, effic_all,rindex_quarz);
298
299	}
300	//---------------------------------------------------------------------
301	void AliSTARTv1::DrawDetector()
302	{
303	//
304	// Draw a shaded view of the Forward multiplicity detector version 0
305	//
306
307	//Set ALIC mother transparent
308	gMC->Gsatt("ALIC","SEEN",0);
309	//
310	//Set volumes visible
311	gMC->Gsatt("STRT","SEEN",0);
312	gMC->Gsatt("PMT ","SEEN",1);
313	gMC->Gsatt("DIVI","SEEN",1);
314	//
315	gMC->Gdopt("hide","on");
316	gMC->Gdopt("shad","on");
317	gMC->SetClipBox(".");
318	gMC->SetClipBox("*",0,1000,-1000,1000,-1000,1000);
319	gMC->DefaultRange();
320	gMC->Gdraw("alic",40,30,0,12,9.5,.7,0.7);
321	gMC->Gdhead(1111,"T-Zero detector");
322	gMC->Gdopt("hide","off");
323	}
324
325	//-------------------------------------------------------------------
326	void AliSTARTv1::Init()
327	{
328	// Initialises version 0 of the Forward Multiplicity Detector
329	//
330	//Int_t *idtmed = gAlice->Idtmed();
331	AliSTART::Init();
332	fIdSens1=gMC->VolId("PTOP");
333	printf("* START version 0 initialized *\n");
334
335	}
336
337	//-------------------------------------------------------------------
338
339	void AliSTARTv1::StepManager()
340	{
341	//
342	// Called for every step in the START Detector
343	//
344	Int_t id,copy,copy1;
345	static Float_t hits[7];
346	static Float_t edep;
347	static Int_t vol[2];
348	TLorentzVector pos;
349
350	TClonesArray &lhits = *fHits;
351
352	if(!gMC->IsTrackAlive()) return; // particle has disappeared
353	Float_t charge = gMC->TrackCharge();
354	if(TMath::Abs(charge)<=0.) return; //take only charged particles
355	id=gMC->CurrentVolID(copy);
356
357
358	// printf("gMC->ckine->ipart %d",gMC->ckine->ipart);
359	// Check the sensetive volume
360	if(id==fIdSens1 ) {
361	if(gMC->IsTrackEntering()) {
362	gMC->CurrentVolOffID(2,copy);
363	vol[0]=copy;
364	gMC->CurrentVolOffID(1,copy1);
365	vol[1]=copy1;
366	gMC->TrackPosition(pos);
367	hits[0] = pos[0];
368	hits[1] = pos[1];
369	hits[2] = pos[2];
370	Float_t etot=gMC->Etot();
371	hits[4]=etot;
372	Int_t part= gMC->TrackPid();
373	hits[5]=part;
374	Float_t ttime=gMC->TrackTime();
375	hits[6]=ttime*1e9;
376	edep=0;
377	}
378	if(gMC->IsTrackInside()) {
379	Float_t de=gMC->Edep();
380	edep=edep+de;
381	// printf ("E deposition %f\n",edep);
382	// for (i=0; i<=6; i++){
383	// printf(" HITS on START inside %f\n",hits[i]); }
384	}
385	if(gMC->IsTrackExiting()) {
386	Float_t de=gMC->Edep();
387	edep=edep+de;
388	hits[3]=edep*1e3;
389	Int_t i;
390	for (i=0; i<=6; i++){
391	printf(" HITS on START Exit %f\n",hits[i]); }
392	for (i=0; i<=1; i++) { printf("START vol %d\n",vol[i]);}
393
394	new(lhits[fNhits++]) AliSTARThit(fIshunt,gAlice->CurrentTrack(),vol,hits);
395	}
396	}
397	//---------------------------------------------------------------------
398	}
399
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