[u/mrichter/AliRoot.git] / START / AliSTARTv0.cxx

/////////////////////////////////////////////////////////////////////
//                                                                 //
// 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 "AliSTARTv0.h"
#include "AliRun.h"
#include "AliMC.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()-2099;
  
  Int_t is;
  Int_t idrotm[999];
  Float_t x,y,z;

  Float_t pstart[3]={4.5,10.7,5.3};
  //  Float_t pscin[3]={0.,2.54/2.,1.5};
  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[2101-1],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("SCIN","TUBE",idtmed[2102-1],pscin,3);
    gMC->Gsvolu("PMT ","TUBE",idtmed[2103-1],ppmt,3);     
    gMC->Gsvolu("DIVI","TUBE",idtmed[2103-1],pdivider,3);     

// first ring: 13 units of Scintillator+PMT+divider
    for (is=1; is<=13; is++)
    {  
      x=6.5*TMath::Sin(is*2*3.1415/13);
      y=6.5*TMath::Cos(is*2*3.1415/13);
      z=-pstart[2]+ppmt[2];
      printf(" is %d x %f y %f r%f\n",is,x,y,sqrt(x*x+y*y));
      //      gMC->Gspos("SCIN",is,"STRT",x,y,z,0,"ONLY");
      //      z=z+pscin[2]+ppmt[2];
      gMC->Gspos("PMT ",is,"STRT",x,y,z,0,"ONLY");
      z=ppmt[2]+pdivider[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
    for (is=14; is<=33;is++)  
    {  
      x=9.3*TMath::Sin(2.*3.1415/26+(is-13)*2*3.1415/20);
      y=9.3*TMath::Cos(2.*3.1315/26+(is-13)*2*3.1415/20);
      z=-pstart[2]+ppmt[2];
      //      gMC->Gspos("SCIN",is,"STRT",x,y,z,0,"ONLY");
      //z=z+pscin[2]+ppmt[2];
      gMC->Gspos("PMT ",is,"STRT",x,y,z,0,"ONLY");
      z=ppmt[2]+pdiv2[2];
      gMC->Gspos("DIVI",is,"STRT",x,y,z,0,"ONLY");
    }
// PMT
      
// Entry window (glass)
      gMC->Gsvolu("PTOP","TUBE",idtmed[2106-1],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[2106-1],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[2106-1],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[2104-1],pcer,3);
      gMC->Gsvolu("PSTE","TUBE",idtmed[2108-1],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[2106-1],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[2106-1],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[2106-1],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[2108-1],ppins,3);
      z=-pdivider[2]+ppins[2];
      gMC->Gspos("PINS",1,"DIVI",0,0,z,0,"ONLY");
      gMC->Gsvolu("HOLE","TUBE",idtmed[2111-1],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[2104-1],pdiv1,3);
      z=-pdivider[2]+pdiv1[2];
      gMC->Gspos("DIV1",1,"DIVI",0,0,z,0,"ONLY");
//Resistors
      gMC->Gsvolu("DIV2","TUBE",idtmed[2101-1],pdiv2,3);
      z=pdivider[2]-pdiv2[2];
      gMC->Gspos("DIV2",1,"DIVI",0,0,z,0,"ONLY");
      gMC->Gsvolu("DRES","TUBE",idtmed[2104-1],presist,3);
      z=-pdiv2[2]+presist[2];
      gMC->Gspos("DRES",1,"DIV2",0,0,z,0,"ONLY");
      gMC->Gsvolu("DRIB","TUBE",idtmed[2109-1],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;
 
   
//   AliMC* gMC = AliMC::GetMC();

 //  Int_t *idtmed = gAlice->Idtmed();
 //  Int_t imat;

//*** 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$", 2, 0, ISXFLD, SXMGMX, 10., .1, 1., .003, .003);
 // AliMedium(2102, "Scintillator$", 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);


}
//---------------------------------------------------------------------
void AliSTARTv0::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("SCIN","SEEN",1);
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,.2,0.2);
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;
  //AliMC* gMC=AliMC::GetMC();
  //  TGeant3* geant3= (TGeant3*)gMC; 
  
  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("igauto %d\n",gMC->ctrak->igauto);
//  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;
       //       Float_t xV=geant3->Gckine()->vert[0];
       //Float_t yV=geant3->Gckine()->vert[1];
       //Float_t zV=geant3->Gckine()->vert[2];
       //Float_t tl=gMC -> TrackLength();
       //      if(hits[6]<2.4){     
       //	    for (i=0; i<=6; i++){
       //	    printf(" HITS on START entr %f\n",hits[i]);} 
       //}
     }
     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
6ca40650	1	/////////////////////////////////////////////////////////////////////
	2	// //
	3	// START ( T-zero) detector version 0 //
	4	//
	5	//Begin Html
	6	/*
	7	<img src="gif/AliSTARTv0Class.gif">
	8	*/
	9	//End Html
	10	// //
	11	// //
	12	//////////////////////////////////////////////////////////////////////
	13
	14	#include <TMath.h>
	15	#include <TGeometry.h>
	16	#include <TTUBE.h>
	17	#include <TNode.h>
	18
	19	#include "AliSTARTv0.h"
	20	#include "AliRun.h"
	21	#include "AliMC.h"
	22
	23	#include <iostream.h>
	24	#include <fstream.h>
	25
	26	//#include "TGeant3.h"
	27	#include <stdlib.h>
	28
	29	ClassImp(AliSTARTv0)
	30
	31	//--------------------------------------------------------------------
	32	AliSTARTv0::AliSTARTv0(const char name, const char title):
	33	AliSTART(name,title)
	34	{
	35	//
	36	// Standart constructor for START Detector version 0
	37	//
	38	fIdSens1=0;
	39	// setBufferSize(128000);
	40	}
	41	//-------------------------------------------------------------------------
	42	void AliSTARTv0::CreateGeometry()
	43	{
	44	//
	45	// Create the geometry of START Detector version 0
	46	//
	47	// begin Html
	48	/*
	49	<img src="gif/AliSTARTv0.gif">
	50	*/
	51	//
	52
	53
	54	Int_t *idtmed = fIdtmed->GetArray()-2099;
	55
	56	Int_t is;
	57	Int_t idrotm[999];
	58	Float_t x,y,z;
	59
	60	Float_t pstart[3]={4.5,10.7,5.3};
	61	// Float_t pscin[3]={0.,2.54/2.,1.5};
	62	Float_t ppmt[3]={0.,1.3,3.5};
	63	Float_t pdivider[3]={0.,1.2,1.75};
	64	Float_t pdiv2[3]={0.,1.2,1.25};
65	Float_t pdiv1[3]={0.6,1.2,0.5};
66	Float_t ptop[3]={0.,1.3,1.5};
67	Float_t pbot[3]={0.6,1.2,0.1};
68	Float_t pglass[3]={1.2,1.3,2.};
69	Float_t pcer[3]={0.9,1.1,0.09};
70	Float_t psteel[3]={0.9,1.1,0.01};
71	Float_t ppins[3]={0.6,1.2,0.014};
72	Float_t phole[3]={0.6,1.2,0.015};
73	Float_t pknob[3]={0.5,0.6,0.4};
74	Float_t pknob_vac[3]={0.,0.5,0.4};
75	Float_t pknob_bot[3]={0.,0.6,0.05};
76	Float_t pribber[3] = {0.,1.2,2.413/2.};
77	Float_t presist[3] = {0.,1.2,0.087/2.};
78
79	Float_t zdet=75.;
80	//-------------------------------------------------------------------
81	// START volume
82	//-------------------------------------------------------------------
83
84	AliMatrix(idrotm[901], 90., 0., 90., 90., 180., 0.);
85	gMC->Gsvolu("STRT","TUBE",idtmed[2101-1],pstart,3);
86	gMC->Gspos("STRT",1,"ALIC",0.,0.,zdet,0,"ONLY");
87	gMC->Gspos("STRT",2,"ALIC",0.,0.,-zdet,idrotm[901],"ONLY");
88
89	//START interior
90	// gMC->Gsvolu("SCIN","TUBE",idtmed[2102-1],pscin,3);
91	gMC->Gsvolu("PMT ","TUBE",idtmed[2103-1],ppmt,3);
92	gMC->Gsvolu("DIVI","TUBE",idtmed[2103-1],pdivider,3);
93
94	// first ring: 13 units of Scintillator+PMT+divider
95	for (is=1; is<=13; is++)
96	{
97	x=6.5TMath::Sin(is2*3.1415/13);
98	y=6.5TMath::Cos(is2*3.1415/13);
99	z=-pstart[2]+ppmt[2];
100	printf(" is %d x %f y %f r%f\n",is,x,y,sqrt(xx+yy));
101	// gMC->Gspos("SCIN",is,"STRT",x,y,z,0,"ONLY");
102	// z=z+pscin[2]+ppmt[2];
103	gMC->Gspos("PMT ",is,"STRT",x,y,z,0,"ONLY");
104	z=ppmt[2]+pdivider[2];
105	printf(" is %d, z Divider %f\n",is,z);
106	gMC->Gspos("DIVI",is,"STRT",x,y,z,0,"ONLY");
107	}
108	//second ring: 20 units of Scintillator+PMT+divider
109	for (is=14; is<=33;is++)
110	{
111	x=9.3TMath::Sin(2.3.1415/26+(is-13)23.1415/20);
112	y=9.3TMath::Cos(2.3.1315/26+(is-13)23.1415/20);
113	z=-pstart[2]+ppmt[2];
114	// gMC->Gspos("SCIN",is,"STRT",x,y,z,0,"ONLY");
115	//z=z+pscin[2]+ppmt[2];
116	gMC->Gspos("PMT ",is,"STRT",x,y,z,0,"ONLY");
117	z=ppmt[2]+pdiv2[2];
118	gMC->Gspos("DIVI",is,"STRT",x,y,z,0,"ONLY");
119	}
120	// PMT
121
122	// Entry window (glass)
123	gMC->Gsvolu("PTOP","TUBE",idtmed[2106-1],ptop,3);
124	z=-ppmt[2]+ptop[2];
125	gMC->Gspos("PTOP",1,"PMT ",0,0,z,0,"ONLY");
126	// printf("Z PTOP %f -ppmt[2] %f ptop[2] %f\n",z,-ppmt[2],ptop[2]);
127	// Bottom glass
128	gMC->Gsvolu("PBOT","TUBE",idtmed[2106-1],pbot,3);
129	z=ppmt[2]-pbot[2];
130	printf("Z bottom %f\n",z);
131	gMC->Gspos("PBOT",1,"PMT ",0,0,z,0,"ONLY");
132	// Side cylinder glass
133	gMC->Gsvolu("POUT","TUBE",idtmed[2106-1],pglass,3);
134	z=ppmt[2]-pglass[2];
135	// printf("Z glass %f\n",z);
136	gMC->Gspos("POUT",1,"PMT ",0,0,z,0,"ONLY");
137	//PMT electrodes support structure
138	gMC->Gsvolu("PCER","TUBE",idtmed[2104-1],pcer,3);
139	gMC->Gsvolu("PSTE","TUBE",idtmed[2108-1],psteel,3);
140	z=-ppmt[2]+2*ptop[2]+0.3;;
141	// printf("Z Cer 1 %f\n",z);
142	for (is=1; is<=15; is++)
143	{
144	z=z+psteel[2]+pcer[2];
145	gMC->Gspos("PCER",is,"PMT",0,0,z,0,"ONLY");
146	z=z+psteel[2]+pcer[2];
147	gMC->Gspos("PSTE",is,"PMT",0,0,z,0,"ONLY");
148	}
149
150	// Divider
151	// Knob at the bottom of PMT baloon
152	gMC->Gsvolu("KNOB","TUBE",idtmed[2106-1],pknob,3);
153	z=-pdivider[2]+pknob[2];
154	// printf("zknob %f\n",z);
155	gMC->Gspos("KNOB",1,"DIVI",0,0,z,0,"ONLY");
156	gMC->Gsvolu("KNBO","TUBE",idtmed[2106-1],pknob_bot,3);
157	z=-pdivider[2]+2*pknob[2]+pknob_bot[2];
158	// printf("knobbot %f\n",z);
159	gMC->Gspos("KNBO",1,"DIVI ",0,0,z,0,"ONLY");
160	gMC->Gsvolu("KNVA","TUBE",idtmed[2106-1],pknob_vac,3);
161	z=-pdivider[2]+pknob_vac[2];
162	// printf("knobvac %f\n",z);
163	gMC->Gspos("KNVA",1,"DIVI",0,0,z,0,"ONLY");
164	//Steel pins + pin holes
165	gMC->Gsvolu("PINS","TUBE",idtmed[2108-1],ppins,3);
166	z=-pdivider[2]+ppins[2];
167	gMC->Gspos("PINS",1,"DIVI",0,0,z,0,"ONLY");
168	gMC->Gsvolu("HOLE","TUBE",idtmed[2111-1],phole,3);
169	z=-pdivider[2]+2*ppins[2]+phole[2];
170	gMC->Gspos("HOLE",1,"DIVI",0,0,z,0,"ONLY");
171
172	//Socket
173	gMC->Gsvolu("DIV1","TUBE",idtmed[2104-1],pdiv1,3);
174	z=-pdivider[2]+pdiv1[2];
175	gMC->Gspos("DIV1",1,"DIVI",0,0,z,0,"ONLY");
176	//Resistors
177	gMC->Gsvolu("DIV2","TUBE",idtmed[2101-1],pdiv2,3);
178	z=pdivider[2]-pdiv2[2];
179	gMC->Gspos("DIV2",1,"DIVI",0,0,z,0,"ONLY");
180	gMC->Gsvolu("DRES","TUBE",idtmed[2104-1],presist,3);
181	z=-pdiv2[2]+presist[2];
182	gMC->Gspos("DRES",1,"DIV2",0,0,z,0,"ONLY");
183	gMC->Gsvolu("DRIB","TUBE",idtmed[2109-1],pribber,3);
184	z=pdiv2[2]-pribber[2];
185	gMC->Gspos("DRIB",1,"DIV2",0,0,z,0,"ONLY");
186	// printf("z DRIB %f\n",z);
187
188	}
189	//------------------------------------------------------------------------
190	void AliSTARTv0::CreateMaterials()
191	{
192	Int_t ISXFLD = gAlice->Field()->Integ();
193	Float_t SXMGMX = gAlice->Field()->Max();
194	Float_t a,z,d,radl,absl,buf[1];
195	Int_t nbuf;
196
197	// Scintillator CH
198	// Float_t ascin[2]={1.01,12.01};
199	// Float_t zscin[2]={1,6};
200	// Float_t wscin[2]={1,1};
201	// Float_t denscin=1.03;
202	// PMT glass SiO2
203	Float_t aglass[2]={28.0855,15.9994};
204	Float_t zglass[2]={14.,8.};
205	Float_t wglass[2]={1.,2.};
206	Float_t dglass=2.65;
207	// Ceramic 97.2% Al2O3 , 2.8% SiO2
208	Float_t acer[2],zcer[2],wcer[2]={0.972,0.028};
209	Float_t aal2o3[2] = { 26.981539,15.9994 };
210	Float_t zal2o3[2] = { 13.,8. };
211	Float_t wal2o3[2] = { 2.,3. };
212	Float_t denscer = 3.6;
213
214	// Brass 80% Cu, 20% Zn
215	Float_t abrass[2] = {63.546,65.39};
216	Float_t zbrass[2] = {29,30};
217	Float_t wbrass[2] = {0.8,0.2};
218	Float_t denbrass=8.96;
219
220	//Ribber C6H12S
221	Float_t aribber[3] = {12.,1.,32.};
222	Float_t zribber[3] = {6.,1.,16.};
223	Float_t wribber[3] = {6.,12.,1.};
224	Float_t denribber=0.8;
225
226
227	// AliMC* gMC = AliMC::GetMC();
228
229	// Int_t *idtmed = gAlice->Idtmed();
230	// Int_t imat;
231
232	//* Definition Of avaible START materials *
233	AliMaterial(0, "START Steel$", 55.850,26.,7.87,1.76,999);
234	AliMaterial(1, "START Vacuum$", 1.e-16,1.e-16,1.e-16,1.e16,999);
235	AliMaterial(2, "START Air$", 14.61, 7.3, .001205, 30423.,999);
236
c4cef9e5	237	AliMixture( 3, "Al2O3 $", aal2o3, zal2o3, denscer, -2, wal2o3);
6ca40650	238	AliMixture( 4, "PMT glass $",aglass,zglass,dglass,-2,wglass);
	239	char namate[21];
	240	gMC->Gfmate((*fIdmate)[3], namate, a, z, d, radl, absl, buf, nbuf);
	241	acer[0]=a;
	242	zcer[0]=z;
	243	gMC->Gfmate((*fIdmate)[4], namate, a, z, d, radl, absl, buf, nbuf);
	244	acer[1]=a;
	245	zcer[1]=z;
	246
	247	AliMixture( 9, "Ceramic $", acer, zcer, denscer, 2, wcer);
	248	// AliMixture( 5, "Scintillator$",ascin,zscin,denscin,-2,wscin);
	249	AliMixture( 6, "Brass $", abrass, zbrass, denbrass, 2, wbrass);
	250
	251	AliMixture( 7, "Ribber $",aribber,zribber,denribber,-3,wribber);
	252
	253
	254
	255	//**
	256	AliMedium(1, "START Air$", 2, 0, ISXFLD, SXMGMX, 10., .1, 1., .003, .003);
	257	// AliMedium(2102, "Scintillator$", 5, 1, ISXFLD, SXMGMX, 10., .01, 1., .003, .003);
	258	AliMedium(3, "Vacuum$", 1, 0, ISXFLD, SXMGMX, 10., .01, .1, .003, .003);
	259	AliMedium(4, "Ceramic$", 9, 0, ISXFLD, SXMGMX, 10., .01, .1, .003, .003);
	260	AliMedium(6, "Glass$", 4, 0, ISXFLD, SXMGMX, 10., .01, .1, .003, .003);
	261	AliMedium(8, "Steel$", 0, 0, ISXFLD, SXMGMX, 1., .001, 1., .001, .001);
	262	AliMedium(11, "Brass $", 6, 0, ISXFLD, SXMGMX, 10., .01, .1, .003, .003);
	263	AliMedium(9, "Ribber $", 7, 0, ISXFLD, SXMGMX, 10., .01, .1, .003, .003);
	264
	265
	266	}
	267	//---------------------------------------------------------------------
	268	void AliSTARTv0::DrawDetector()
	269	{
	270	//
	271	// Draw a shaded view of the Forward multiplicity detector version 0
	272	//
	273
6ca40650	274	//Set ALIC mother transparent
	275	gMC->Gsatt("ALIC","SEEN",0);
	276	//
	277	//Set volumes visible
	278	gMC->Gsatt("STRT","SEEN",0);
	279	//gMC->Gsatt("SCIN","SEEN",1);
	280	gMC->Gsatt("PMT ","SEEN",1);
	281	gMC->Gsatt("DIVI","SEEN",1);
	282	//
	283	gMC->Gdopt("hide","on");
	284	gMC->Gdopt("shad","on");
	285	gMC->SetClipBox(".");
	286	gMC->SetClipBox("*",0,1000,-1000,1000,-1000,1000);
	287	gMC->DefaultRange();
	288	gMC->Gdraw("alic",40,30,0,12,9.5,.2,0.2);
	289	gMC->Gdhead(1111,"T-Zero detector");
	290	gMC->Gdopt("hide","off");
	291	}
	292	//-------------------------------------------------------------------
	293	void AliSTARTv0::Init()
	294	{
ca7295b2	295	// Initialises version 0 of the Forward Multiplicity Detector
	296	//
	297
	298	//Int_t *idtmed = gAlice->Idtmed();
	299	AliSTART::Init();
	300	fIdSens1=gMC->VolId("PTOP");
	301	printf("* START version 0 initialized *\n");
6ca40650	302
	303	}
	304
	305	//-------------------------------------------------------------------
	306
	307	void AliSTARTv0::StepManager()
	308	{
	309	//
	310	// Called for every step in the START Detector
	311	//
	312	Int_t id,copy,copy1;
	313	static Float_t hits[7];
	314	static Float_t edep;
	315	static Int_t vol[2];
ca7295b2	316	TLorentzVector pos;
6ca40650	317
	318	TClonesArray &lhits = *fHits;
	319	//AliMC* gMC=AliMC::GetMC();
	320	// TGeant3* geant3= (TGeant3*)gMC;
	321
	322	if(!gMC->IsTrackAlive()) return; // particle has disappeared
	323	Float_t charge = gMC->TrackCharge();
	324	if(TMath::Abs(charge)<=0.) return; //take only charged particles
	325	// gMC->Gpcxyz();
	326	id=gMC->CurrentVolID(copy);
	327
	328
	329	// printf("igauto %d\n",gMC->ctrak->igauto);
	330	// printf("gMC->ckine->ipart %d",gMC->ckine->ipart);
	331	// Check the sensetive volume
	332	if(id==fIdSens1 )
	333	{
	334	if(gMC->IsTrackEntering())
	335	{
	336	gMC->CurrentVolOffID(2,copy);
	337	vol[0]=copy;
	338	gMC->CurrentVolOffID(1,copy1);
	339	vol[1]=copy1;
	340	gMC->TrackPosition(pos);
	341	hits[0] = pos[0];
	342	hits[1] = pos[1];
	343	hits[2] = pos[2];
	344	Float_t etot=gMC->Etot();
	345	hits[4]=etot;
	346	Int_t part= gMC->TrackPid();
	347	hits[5]=part;
	348	Float_t ttime=gMC->TrackTime();
	349	hits[6]=ttime*1e9;
	350	edep=0;
	351	// Float_t xV=geant3->Gckine()->vert[0];
	352	//Float_t yV=geant3->Gckine()->vert[1];
	353	//Float_t zV=geant3->Gckine()->vert[2];
	354	//Float_t tl=gMC -> TrackLength();
	355	// if(hits[6]<2.4){
	356	// for (i=0; i<=6; i++){
	357	// printf(" HITS on START entr %f\n",hits[i]);}
	358	//}
	359	}
	360	if(gMC->IsTrackInside())
	361	{
	362	Float_t de=gMC->Edep();
	363	edep=edep+de;
	364	// printf ("E deposition %f\n",edep);
	365	// for (i=0; i<=6; i++){
	366	// printf(" HITS on START inside %f\n",hits[i]); }
	367	}
	368	if(gMC->IsTrackExiting())
	369	{
	370	Float_t de=gMC->Edep();
	371	edep=edep+de;
	372	hits[3]=edep*1e3;
	373	// for (i=0; i<=6; i++){
	374	// printf(" HITS on START Exit %f\n",hits[i]); }
	375	//for (i=0; i<=1; i++) { printf("START vol %d\n",vol[i]);}
	376
	377	new(lhits[fNhits++]) AliSTARThit(fIshunt,gAlice->CurrentTrack(),vol,hits); }
	378	}
	379	//---------------------------------------------------------------------
	380	}
381	//}
382
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387