[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 1.5  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 "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 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("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];
      gMC->Gspos("PMT ",is,"STRT",x,y,z,0,"ONLY");
      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
    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("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;
 
   
//*** 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);


}
//---------------------------------------------------------------------
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,.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;
     }
     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	$Log$
82fc3fb3	18	Revision 1.5 1999/09/29 09:24:29 fca
	19	Introduction of the Copyright and cvs Log
	20
4c039060	21	*/
4c039060	22
6ca40650	23	/////////////////////////////////////////////////////////////////////
	24	// //
	25	// START ( T-zero) detector version 0 //
	26	//
	27	//Begin Html
	28	/*
	29	<img src="gif/AliSTARTv0Class.gif">
	30	*/
	31	//End Html
	32	// //
	33	// //
	34	//////////////////////////////////////////////////////////////////////
	35
	36	#include <TMath.h>
	37	#include <TGeometry.h>
	38	#include <TTUBE.h>
	39	#include <TNode.h>
	40
	41	#include "AliSTARTv0.h"
	42	#include "AliRun.h"
	43	#include "AliMC.h"
	44
	45	#include <iostream.h>
	46	#include <fstream.h>
	47
	48	//#include "TGeant3.h"
	49	#include <stdlib.h>
	50
	51	ClassImp(AliSTARTv0)
	52
	53	//--------------------------------------------------------------------
	54	AliSTARTv0::AliSTARTv0(const char name, const char title):
	55	AliSTART(name,title)
	56	{
	57	//
	58	// Standart constructor for START Detector version 0
	59	//
	60	fIdSens1=0;
	61	// setBufferSize(128000);
	62	}
	63	//-------------------------------------------------------------------------
	64	void AliSTARTv0::CreateGeometry()
	65	{
	66	//
	67	// Create the geometry of START Detector version 0
	68	//
	69	// begin Html
	70	/*
	71	<img src="gif/AliSTARTv0.gif">
	72	*/
	73	//
	74
	75
	76	Int_t *idtmed = fIdtmed->GetArray()-2099;
	77
	78	Int_t is;
	79	Int_t idrotm[999];
	80	Float_t x,y,z;
	81
	82	Float_t pstart[3]={4.5,10.7,5.3};
6ca40650	83	Float_t ppmt[3]={0.,1.3,3.5};
	84	Float_t pdivider[3]={0.,1.2,1.75};
	85	Float_t pdiv2[3]={0.,1.2,1.25};
	86	Float_t pdiv1[3]={0.6,1.2,0.5};
	87	Float_t ptop[3]={0.,1.3,1.5};
	88	Float_t pbot[3]={0.6,1.2,0.1};
	89	Float_t pglass[3]={1.2,1.3,2.};
	90	Float_t pcer[3]={0.9,1.1,0.09};
	91	Float_t psteel[3]={0.9,1.1,0.01};
	92	Float_t ppins[3]={0.6,1.2,0.014};
	93	Float_t phole[3]={0.6,1.2,0.015};
	94	Float_t pknob[3]={0.5,0.6,0.4};
	95	Float_t pknob_vac[3]={0.,0.5,0.4};
	96	Float_t pknob_bot[3]={0.,0.6,0.05};
	97	Float_t pribber[3] = {0.,1.2,2.413/2.};
	98	Float_t presist[3] = {0.,1.2,0.087/2.};
	99
	100	Float_t zdet=75.;
	101	//-------------------------------------------------------------------
	102	// START volume
	103	//-------------------------------------------------------------------
	104
	105	AliMatrix(idrotm[901], 90., 0., 90., 90., 180., 0.);
	106	gMC->Gsvolu("STRT","TUBE",idtmed[2101-1],pstart,3);
	107	gMC->Gspos("STRT",1,"ALIC",0.,0.,zdet,0,"ONLY");
	108	gMC->Gspos("STRT",2,"ALIC",0.,0.,-zdet,idrotm[901],"ONLY");
	109
	110	//START interior
6ca40650	111	gMC->Gsvolu("PMT ","TUBE",idtmed[2103-1],ppmt,3);
	112	gMC->Gsvolu("DIVI","TUBE",idtmed[2103-1],pdivider,3);
	113
	114	// first ring: 13 units of Scintillator+PMT+divider
	115	for (is=1; is<=13; is++)
	116	{
	117	x=6.5TMath::Sin(is2*3.1415/13);
	118	y=6.5TMath::Cos(is2*3.1415/13);
	119	z=-pstart[2]+ppmt[2];
6ca40650	120	gMC->Gspos("PMT ",is,"STRT",x,y,z,0,"ONLY");
82fc3fb3	121	z+=ppmt[2]+pdiv2[2];
6ca40650	122	printf(" is %d, z Divider %f\n",is,z);
	123	gMC->Gspos("DIVI",is,"STRT",x,y,z,0,"ONLY");
	124	}
	125	//second ring: 20 units of Scintillator+PMT+divider
	126	for (is=14; is<=33;is++)
	127	{
	128	x=9.3TMath::Sin(2.3.1415/26+(is-13)23.1415/20);
	129	y=9.3TMath::Cos(2.3.1315/26+(is-13)23.1415/20);
	130	z=-pstart[2]+ppmt[2];
6ca40650	131	gMC->Gspos("PMT ",is,"STRT",x,y,z,0,"ONLY");
82fc3fb3	132	z+=ppmt[2]+pdiv2[2];
6ca40650	133	gMC->Gspos("DIVI",is,"STRT",x,y,z,0,"ONLY");
	134	}
	135	// PMT
	136
	137	// Entry window (glass)
	138	gMC->Gsvolu("PTOP","TUBE",idtmed[2106-1],ptop,3);
	139	z=-ppmt[2]+ptop[2];
	140	gMC->Gspos("PTOP",1,"PMT ",0,0,z,0,"ONLY");
	141	// printf("Z PTOP %f -ppmt[2] %f ptop[2] %f\n",z,-ppmt[2],ptop[2]);
	142	// Bottom glass
	143	gMC->Gsvolu("PBOT","TUBE",idtmed[2106-1],pbot,3);
	144	z=ppmt[2]-pbot[2];
	145	printf("Z bottom %f\n",z);
	146	gMC->Gspos("PBOT",1,"PMT ",0,0,z,0,"ONLY");
	147	// Side cylinder glass
	148	gMC->Gsvolu("POUT","TUBE",idtmed[2106-1],pglass,3);
	149	z=ppmt[2]-pglass[2];
	150	// printf("Z glass %f\n",z);
	151	gMC->Gspos("POUT",1,"PMT ",0,0,z,0,"ONLY");
	152	//PMT electrodes support structure
	153	gMC->Gsvolu("PCER","TUBE",idtmed[2104-1],pcer,3);
	154	gMC->Gsvolu("PSTE","TUBE",idtmed[2108-1],psteel,3);
	155	z=-ppmt[2]+2*ptop[2]+0.3;;
	156	// printf("Z Cer 1 %f\n",z);
	157	for (is=1; is<=15; is++)
	158	{
	159	z=z+psteel[2]+pcer[2];
	160	gMC->Gspos("PCER",is,"PMT",0,0,z,0,"ONLY");
	161	z=z+psteel[2]+pcer[2];
	162	gMC->Gspos("PSTE",is,"PMT",0,0,z,0,"ONLY");
	163	}
	164
	165	// Divider
	166	// Knob at the bottom of PMT baloon
	167	gMC->Gsvolu("KNOB","TUBE",idtmed[2106-1],pknob,3);
	168	z=-pdivider[2]+pknob[2];
	169	// printf("zknob %f\n",z);
	170	gMC->Gspos("KNOB",1,"DIVI",0,0,z,0,"ONLY");
	171	gMC->Gsvolu("KNBO","TUBE",idtmed[2106-1],pknob_bot,3);
	172	z=-pdivider[2]+2*pknob[2]+pknob_bot[2];
	173	// printf("knobbot %f\n",z);
	174	gMC->Gspos("KNBO",1,"DIVI ",0,0,z,0,"ONLY");
	175	gMC->Gsvolu("KNVA","TUBE",idtmed[2106-1],pknob_vac,3);
	176	z=-pdivider[2]+pknob_vac[2];
	177	// printf("knobvac %f\n",z);
	178	gMC->Gspos("KNVA",1,"DIVI",0,0,z,0,"ONLY");
	179	//Steel pins + pin holes
	180	gMC->Gsvolu("PINS","TUBE",idtmed[2108-1],ppins,3);
	181	z=-pdivider[2]+ppins[2];
	182	gMC->Gspos("PINS",1,"DIVI",0,0,z,0,"ONLY");
	183	gMC->Gsvolu("HOLE","TUBE",idtmed[2111-1],phole,3);
	184	z=-pdivider[2]+2*ppins[2]+phole[2];
	185	gMC->Gspos("HOLE",1,"DIVI",0,0,z,0,"ONLY");
	186
	187	//Socket
	188	gMC->Gsvolu("DIV1","TUBE",idtmed[2104-1],pdiv1,3);
	189	z=-pdivider[2]+pdiv1[2];
	190	gMC->Gspos("DIV1",1,"DIVI",0,0,z,0,"ONLY");
	191	//Resistors
	192	gMC->Gsvolu("DIV2","TUBE",idtmed[2101-1],pdiv2,3);
	193	z=pdivider[2]-pdiv2[2];
	194	gMC->Gspos("DIV2",1,"DIVI",0,0,z,0,"ONLY");
	195	gMC->Gsvolu("DRES","TUBE",idtmed[2104-1],presist,3);
	196	z=-pdiv2[2]+presist[2];
197	gMC->Gspos("DRES",1,"DIV2",0,0,z,0,"ONLY");
198	gMC->Gsvolu("DRIB","TUBE",idtmed[2109-1],pribber,3);
199	z=pdiv2[2]-pribber[2];
200	gMC->Gspos("DRIB",1,"DIV2",0,0,z,0,"ONLY");
201	// printf("z DRIB %f\n",z);
202
203	}
204	//------------------------------------------------------------------------
205	void AliSTARTv0::CreateMaterials()
206	{
207	Int_t ISXFLD = gAlice->Field()->Integ();
208	Float_t SXMGMX = gAlice->Field()->Max();
209	Float_t a,z,d,radl,absl,buf[1];
210	Int_t nbuf;
211
212	// Scintillator CH
82fc3fb3	213	Float_t ascin[2]={1.01,12.01};
	214	Float_t zscin[2]={1,6};
	215	Float_t wscin[2]={1,1};
	216	Float_t denscin=1.03;
6ca40650	217	// PMT glass SiO2
	218	Float_t aglass[2]={28.0855,15.9994};
	219	Float_t zglass[2]={14.,8.};
	220	Float_t wglass[2]={1.,2.};
	221	Float_t dglass=2.65;
	222	// Ceramic 97.2% Al2O3 , 2.8% SiO2
	223	Float_t acer[2],zcer[2],wcer[2]={0.972,0.028};
	224	Float_t aal2o3[2] = { 26.981539,15.9994 };
	225	Float_t zal2o3[2] = { 13.,8. };
	226	Float_t wal2o3[2] = { 2.,3. };
	227	Float_t denscer = 3.6;
	228
	229	// Brass 80% Cu, 20% Zn
	230	Float_t abrass[2] = {63.546,65.39};
	231	Float_t zbrass[2] = {29,30};
	232	Float_t wbrass[2] = {0.8,0.2};
	233	Float_t denbrass=8.96;
	234
	235	//Ribber C6H12S
	236	Float_t aribber[3] = {12.,1.,32.};
	237	Float_t zribber[3] = {6.,1.,16.};
	238	Float_t wribber[3] = {6.,12.,1.};
	239	Float_t denribber=0.8;
	240
	241
6ca40650	242	//* Definition Of avaible START materials *
	243	AliMaterial(0, "START Steel$", 55.850,26.,7.87,1.76,999);
	244	AliMaterial(1, "START Vacuum$", 1.e-16,1.e-16,1.e-16,1.e16,999);
	245	AliMaterial(2, "START Air$", 14.61, 7.3, .001205, 30423.,999);
	246
c4cef9e5	247	AliMixture( 3, "Al2O3 $", aal2o3, zal2o3, denscer, -2, wal2o3);
6ca40650	248	AliMixture( 4, "PMT glass $",aglass,zglass,dglass,-2,wglass);
	249	char namate[21];
	250	gMC->Gfmate((*fIdmate)[3], namate, a, z, d, radl, absl, buf, nbuf);
	251	acer[0]=a;
	252	zcer[0]=z;
	253	gMC->Gfmate((*fIdmate)[4], namate, a, z, d, radl, absl, buf, nbuf);
	254	acer[1]=a;
	255	zcer[1]=z;
	256
	257	AliMixture( 9, "Ceramic $", acer, zcer, denscer, 2, wcer);
82fc3fb3	258	AliMixture( 5, "Scintillator$",ascin,zscin,denscin,-2,wscin);
6ca40650	259	AliMixture( 6, "Brass $", abrass, zbrass, denbrass, 2, wbrass);
	260
	261	AliMixture( 7, "Ribber $",aribber,zribber,denribber,-3,wribber);
	262
	263
	264
	265	//**
	266	AliMedium(1, "START Air$", 2, 0, ISXFLD, SXMGMX, 10., .1, 1., .003, .003);
82fc3fb3	267	AliMedium(2, "Scintillator$", 5, 1, ISXFLD, SXMGMX, 10., .01, 1., .003, .003);
6ca40650	268	AliMedium(3, "Vacuum$", 1, 0, ISXFLD, SXMGMX, 10., .01, .1, .003, .003);
	269	AliMedium(4, "Ceramic$", 9, 0, ISXFLD, SXMGMX, 10., .01, .1, .003, .003);
	270	AliMedium(6, "Glass$", 4, 0, ISXFLD, SXMGMX, 10., .01, .1, .003, .003);
	271	AliMedium(8, "Steel$", 0, 0, ISXFLD, SXMGMX, 1., .001, 1., .001, .001);
	272	AliMedium(11, "Brass $", 6, 0, ISXFLD, SXMGMX, 10., .01, .1, .003, .003);
	273	AliMedium(9, "Ribber $", 7, 0, ISXFLD, SXMGMX, 10., .01, .1, .003, .003);
	274
	275
	276	}
	277	//---------------------------------------------------------------------
77ee006c	278	void AliSTARTv0::DrawModule()
6ca40650	279	{
	280	//
	281	// Draw a shaded view of the Forward multiplicity detector version 0
	282	//
	283
6ca40650	284	//Set ALIC mother transparent
	285	gMC->Gsatt("ALIC","SEEN",0);
	286	//
	287	//Set volumes visible
	288	gMC->Gsatt("STRT","SEEN",0);
6ca40650	289	gMC->Gsatt("PMT ","SEEN",1);
	290	gMC->Gsatt("DIVI","SEEN",1);
	291	//
	292	gMC->Gdopt("hide","on");
	293	gMC->Gdopt("shad","on");
	294	gMC->SetClipBox(".");
	295	gMC->SetClipBox("*",0,1000,-1000,1000,-1000,1000);
	296	gMC->DefaultRange();
	297	gMC->Gdraw("alic",40,30,0,12,9.5,.2,0.2);
	298	gMC->Gdhead(1111,"T-Zero detector");
	299	gMC->Gdopt("hide","off");
	300	}
	301	//-------------------------------------------------------------------
	302	void AliSTARTv0::Init()
	303	{
ca7295b2	304	// Initialises version 0 of the Forward Multiplicity Detector
	305	//
	306
	307	//Int_t *idtmed = gAlice->Idtmed();
	308	AliSTART::Init();
	309	fIdSens1=gMC->VolId("PTOP");
	310	printf("* START version 0 initialized *\n");
6ca40650	311
	312	}
	313
	314	//-------------------------------------------------------------------
	315
	316	void AliSTARTv0::StepManager()
	317	{
	318	//
	319	// Called for every step in the START Detector
	320	//
	321	Int_t id,copy,copy1;
	322	static Float_t hits[7];
	323	static Float_t edep;
	324	static Int_t vol[2];
ca7295b2	325	TLorentzVector pos;
6ca40650	326
	327	TClonesArray &lhits = *fHits;
	328	//AliMC* gMC=AliMC::GetMC();
	329	// TGeant3* geant3= (TGeant3*)gMC;
	330
	331	if(!gMC->IsTrackAlive()) return; // particle has disappeared
	332	Float_t charge = gMC->TrackCharge();
	333	if(TMath::Abs(charge)<=0.) return; //take only charged particles
	334	// gMC->Gpcxyz();
	335	id=gMC->CurrentVolID(copy);
	336
	337
	338	// printf("igauto %d\n",gMC->ctrak->igauto);
	339	// printf("gMC->ckine->ipart %d",gMC->ckine->ipart);
	340	// Check the sensetive volume
	341	if(id==fIdSens1 )
	342	{
	343	if(gMC->IsTrackEntering())
	344	{
	345	gMC->CurrentVolOffID(2,copy);
	346	vol[0]=copy;
	347	gMC->CurrentVolOffID(1,copy1);
	348	vol[1]=copy1;
	349	gMC->TrackPosition(pos);
	350	hits[0] = pos[0];
	351	hits[1] = pos[1];
	352	hits[2] = pos[2];
	353	Float_t etot=gMC->Etot();
	354	hits[4]=etot;
	355	Int_t part= gMC->TrackPid();
	356	hits[5]=part;
	357	Float_t ttime=gMC->TrackTime();
	358	hits[6]=ttime*1e9;
	359	edep=0;
6ca40650	360	}
	361	if(gMC->IsTrackInside())
	362	{
	363	Float_t de=gMC->Edep();
	364	edep=edep+de;
	365	// printf ("E deposition %f\n",edep);
	366	// for (i=0; i<=6; i++){
	367	// printf(" HITS on START inside %f\n",hits[i]); }
	368	}
	369	if(gMC->IsTrackExiting())
	370	{
	371	Float_t de=gMC->Edep();
	372	edep=edep+de;
	373	hits[3]=edep*1e3;
	374	// for (i=0; i<=6; i++){
	375	// printf(" HITS on START Exit %f\n",hits[i]); }
	376	//for (i=0; i<=1; i++) { printf("START vol %d\n",vol[i]);}
	377
	378	new(lhits[fNhits++]) AliSTARThit(fIshunt,gAlice->CurrentTrack(),vol,hits); }
	379	}
	380	//---------------------------------------------------------------------
	381	}
6ca40650	382
	383
	384
	385
	386
	387