[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 1.13  2001/09/19 18:41:59  alla
Asimmetric START geometry

Revision 1.12  2001/04/25 14:09:34  alla
Curent bur fixed

Revision 1.11  2001/04/04 12:10:18  alla
changes according Coding Convension

Revision 1.10  2000/12/04 08:48:19  alibrary
Fixing problems in the HEAD

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 pinstart[3]={0.,1.3,5.25};
  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 zdetRight=69.7,zdetLeft=350;
 //-------------------------------------------------------------------
 //  START volume 
 //-------------------------------------------------------------------
  
  //  Float_t theta=TMath::ATan(6.5/zdet);
  Float_t thetaRight=(180./3.1415)*TMath::ATan(6.5/zdetRight);
  Float_t thetaLeft=(180./3.1415)*TMath::ATan(6.5/zdetLeft);
    AliMatrix(idrotm[901], 90., 0., 90., 90., 180., 0.);
    
    gMC->Gsvolu("0STR","TUBE",idtmed[1],pstart,3);
    gMC->Gsvolu("0STL","TUBE",idtmed[1],pstart,3);
    gMC->Gspos("0STR",1,"ALIC",0.,0.,zdetRight+pstart[2],0,"ONLY");
    gMC->Gspos("0STL",1,"ALIC",0.,0.,-zdetLeft-pstart[2],idrotm[901],"ONLY");

//START interior
    gMC->Gsvolu("0INS","TUBE",idtmed[1],pinstart,3);
    gMC->Gsvolu("0PMT","TUBE",idtmed[3],ppmt,3);     
    gMC->Gsvolu("0DIV","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.-thetaRight, 30.*is, 
		  90.,       90.+30.*is,
		  thetaRight,    180.+30.*is); 
	x=6.5*TMath::Sin(is*dang1);
	y=6.5*TMath::Cos(is*dang1);
	z=-pstart[2]+pinstart[2];
	gMC->Gspos("0INS",is,"0STR",x,y,z,idrotm[901+is],"ONLY");

      }	
    for (is=1; is<=12; is++)
      {
        AliMatrix(idrotm[901+is],
                  90.-thetaLeft, 30.*is,
                  90.,       90.+30.*is,
                  thetaLeft,    180.+30.*is);

        x=6.5*TMath::Sin(is*dang1);
        y=6.5*TMath::Cos(is*dang1);
        z=-pstart[2]+pinstart[2];
        gMC->Gspos("0INS",is,"0STL",x,y,z,idrotm[901+is],"ONLY");

      }
     x=0;
    y=0;
    z=-pinstart[2]+ppmt[2];
    if(fDebug) printf("%s: is %d, z Divider %f\n",ClassName(),is,z);
    gMC->Gspos("0PMT",1,"0INS",x,y,z,0,"ONLY");
    z=pinstart[2]-pdivider[2];
    gMC->Gspos("0DIV",1,"0INS",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("0PMT",is,"0STA",x,y,z,0,"ONLY");
      z=z+ppmt[2]+pdiv2[2];
      gMC->Gspos("0DIV",is,"0STA",x,y,z,0,"ONLY");
      }
     */
// PMT
      
    // Entry window (glass)
    // gMC->Gsvolu("0TOP","TUBE",idtmed[6],ptop,3);
       gMC->Gsvolu("0TOP","TUBE",idtmed[12],ptop,3); //lucite
     z=-ppmt[2]+ptop[2];
    gMC->Gspos("0TOP",1,"0PMT",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("0BOT","TUBE",idtmed[6],pbot,3);
    z=ppmt[2]-pbot[2];
    if(fDebug) printf("%s: Z bottom %f\n",ClassName(),z);
    gMC->Gspos("0BOT",1,"0PMT",0,0,z,0,"ONLY");
    // Side cylinder glass
    gMC->Gsvolu("0OUT","TUBE",idtmed[6],pglass,3);
    z=ppmt[2]-pglass[2];
    //      printf("Z glass %f\n",z);
    gMC->Gspos("0OUT",1,"0PMT",0,0,z,0,"ONLY");
    //PMT electrodes support structure
    gMC->Gsvolu("0CER","TUBE",idtmed[4],pcer,3);
    gMC->Gsvolu("0STE","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("0CER",is,"0PMT",0,0,z,0,"ONLY");
	z=z+psteel[2]+pcer[2];
	gMC->Gspos("0STE",is,"0PMT",0,0,z,0,"ONLY");
      }
    
    // Divider
    // Knob at the bottom of PMT baloon
    
    gMC->Gsvolu("0NB","TUBE",idtmed[6],pknob,3);
    z=-pdivider[2]+pknob[2];
    //      printf("zknob %f\n",z);
    gMC->Gspos("0NB",1,"0DIV",0,0,z,0,"ONLY");
    gMC->Gsvolu("0KB","TUBE",idtmed[6],pknob_bot,3);
    z=-pdivider[2]+2*pknob[2]+pknob_bot[2];
    //      printf(knobbot %f\n",z);
    gMC->Gspos("0KB",1,"0DIV ",0,0,z,0,"ONLY");
    gMC->Gsvolu("0VAC","TUBE",idtmed[3],pknob_vac,3);
    z=-pdivider[2]+pknob_vac[2];
    //      printf("knobvac %f\n",z);
    gMC->Gspos("0VAC",1,"0DIV",0,0,z,0,"ONLY");
    //Steel pins + pin holes
    gMC->Gsvolu("0PIN","TUBE",idtmed[8],ppins,3);
    z=-pdivider[2]+ppins[2];
    gMC->Gspos("0PIN",1,"0DIV",0,0,z,0,"ONLY");
    gMC->Gsvolu("0HOL","TUBE",idtmed[11],phole,3);
    z=-pdivider[2]+2*ppins[2]+phole[2];
    gMC->Gspos("0HOL",1,"0DIV",0,0,z,0,"ONLY");
    
    //Socket
    gMC->Gsvolu("0V1","TUBE",idtmed[4],pdiv1,3);
    z=-pdivider[2]+pdiv1[2];
    gMC->Gspos("0V1",1,"0DIV",0,0,z,0,"ONLY");
    //Resistors
    gMC->Gsvolu("0V2","TUBE",idtmed[1],pdiv2,3);
    z=pdivider[2]-pdiv2[2];
    gMC->Gspos("0V2",1,"0DIV",0,0,z,0,"ONLY");
    gMC->Gsvolu("0RS","TUBE",idtmed[4],presist,3);
    z=-pdiv2[2]+presist[2];
    gMC->Gspos("0RS",1,"0V2",0,0,z,0,"ONLY");
    gMC->Gsvolu("0RB","TUBE",idtmed[9],pribber,3);
    z=pdiv2[2]-pribber[2];
    gMC->Gspos("0RB",1,"0V2",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  $", 7, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003);
   AliMedium(12, "Lucite$", 8, 1, 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("0STA","SEEN",0);
  gMC->Gsatt("0PMT","SEEN",1);
  gMC->Gsatt("0DIV","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("0TOP");
  printf("*** START version 0 initialized ***\n");
 
}

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

void AliSTARTv0::StepManager()
{
  //
  // Called for every step in the START Detector
  // See AliSTARTv1

}
//---------------------------------------------------------------------
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	$Log$
4fdc4526	18	Revision 1.13 2001/09/19 18:41:59 alla
	19	Asimmetric START geometry
	20
a94466c5	21	Revision 1.12 2001/04/25 14:09:34 alla
	22	Curent bur fixed
	23
9436d88b	24	Revision 1.11 2001/04/04 12:10:18 alla
	25	changes according Coding Convension
	26
2ca99a7f	27	Revision 1.10 2000/12/04 08:48:19 alibrary
	28	Fixing problems in the HEAD
	29
0cc62300	30	Revision 1.9 2000/10/02 21:28:13 fca
	31	Removal of useless dependecies via forward declarations
	32
94de3818	33	Revision 1.8 2000/07/13 16:41:29 fca
	34	New START corrected for coding conventions
	35
ef51244a	36	Revision 1.7 2000/01/21 15:45:23 fca
	37	New Version from Alla
	38
971579f6	39	Revision 1.6 1999/11/12 15:04:00 fca
	40	Modifications from A.Maevskaya
	41
82fc3fb3	42	Revision 1.5 1999/09/29 09:24:29 fca
	43	Introduction of the Copyright and cvs Log
	44
971579f6	45	*/
4c039060	46
6ca40650	47	/////////////////////////////////////////////////////////////////////
	48	// //
	49	// START ( T-zero) detector version 0 //
	50	//
	51	//Begin Html
	52	/*
	53	<img src="gif/AliSTARTv0Class.gif">
	54	*/
	55	//End Html
	56	// //
	57	// //
	58	//////////////////////////////////////////////////////////////////////
	59
	60	#include <TMath.h>
	61	#include <TGeometry.h>
	62	#include <TTUBE.h>
	63	#include <TNode.h>
0cc62300	64	#include <TLorentzVector.h>
6ca40650	65
	66	#include "AliSTARTv0.h"
	67	#include "AliRun.h"
	68	#include "AliMC.h"
94de3818	69	#include "AliMagF.h"
971579f6	70	#include "AliSTARThit.h"
6ca40650	71
	72	#include <iostream.h>
	73	#include <fstream.h>
	74
	75	//#include "TGeant3.h"
	76	#include <stdlib.h>
	77
	78	ClassImp(AliSTARTv0)
	79
	80	//--------------------------------------------------------------------
	81	AliSTARTv0::AliSTARTv0(const char name, const char title):
	82	AliSTART(name,title)
	83	{
	84	//
	85	// Standart constructor for START Detector version 0
	86	//
	87	fIdSens1=0;
	88	// setBufferSize(128000);
	89	}
	90	//-------------------------------------------------------------------------
	91	void AliSTARTv0::CreateGeometry()
	92	{
	93	//
	94	// Create the geometry of START Detector version 0
	95	//
	96	// begin Html
	97	/*
	98	<img src="gif/AliSTARTv0.gif">
	99	*/
	100	//
	101
	102
971579f6	103	Int_t *idtmed = fIdtmed->GetArray();
a94466c5	104
6ca40650	105	Int_t is;
	106	Int_t idrotm[999];
	107	Float_t x,y,z;
	108
	109	Float_t pstart[3]={4.5,10.7,5.3};
a94466c5	110	Float_t pinstart[3]={0.,1.3,5.25};
6ca40650	111	Float_t ppmt[3]={0.,1.3,3.5};
	112	Float_t pdivider[3]={0.,1.2,1.75};
	113	Float_t pdiv2[3]={0.,1.2,1.25};
	114	Float_t pdiv1[3]={0.6,1.2,0.5};
	115	Float_t ptop[3]={0.,1.3,1.5};
	116	Float_t pbot[3]={0.6,1.2,0.1};
	117	Float_t pglass[3]={1.2,1.3,2.};
	118	Float_t pcer[3]={0.9,1.1,0.09};
	119	Float_t psteel[3]={0.9,1.1,0.01};
	120	Float_t ppins[3]={0.6,1.2,0.014};
	121	Float_t phole[3]={0.6,1.2,0.015};
	122	Float_t pknob[3]={0.5,0.6,0.4};
	123	Float_t pknob_vac[3]={0.,0.5,0.4};
	124	Float_t pknob_bot[3]={0.,0.6,0.05};
	125	Float_t pribber[3] = {0.,1.2,2.413/2.};
	126	Float_t presist[3] = {0.,1.2,0.087/2.};
	127
a94466c5	128	Float_t zdetRight=69.7,zdetLeft=350;
6ca40650	129	//-------------------------------------------------------------------
	130	// START volume
	131	//-------------------------------------------------------------------
971579f6	132
a94466c5	133	// Float_t theta=TMath::ATan(6.5/zdet);
	134	Float_t thetaRight=(180./3.1415)*TMath::ATan(6.5/zdetRight);
	135	Float_t thetaLeft=(180./3.1415)*TMath::ATan(6.5/zdetLeft);
6ca40650	136	AliMatrix(idrotm[901], 90., 0., 90., 90., 180., 0.);
a94466c5	137
	138	gMC->Gsvolu("0STR","TUBE",idtmed[1],pstart,3);
	139	gMC->Gsvolu("0STL","TUBE",idtmed[1],pstart,3);
	140	gMC->Gspos("0STR",1,"ALIC",0.,0.,zdetRight+pstart[2],0,"ONLY");
	141	gMC->Gspos("0STL",1,"ALIC",0.,0.,-zdetLeft-pstart[2],idrotm[901],"ONLY");
6ca40650	142
6ca40650	143	//START interior
a94466c5	144	gMC->Gsvolu("0INS","TUBE",idtmed[1],pinstart,3);
2ca99a7f	145	gMC->Gsvolu("0PMT","TUBE",idtmed[3],ppmt,3);
2ca99a7f	146	gMC->Gsvolu("0DIV","TUBE",idtmed[3],pdivider,3);
6ca40650	147
ef51244a	148	// first ring: 12 units of Scintillator+PMT+divider
971579f6	149	Double_t dang1 = 2*TMath::Pi()/12;
	150	for (is=1; is<=12; is++)
	151	{
a94466c5	152	AliMatrix(idrotm[901+is],
	153	90.-thetaRight, 30.*is,
	154	90., 90.+30.*is,
	155	thetaRight, 180.+30.*is);
971579f6	156	x=6.5TMath::Sin(isdang1);
971579f6	157	y=6.5TMath::Cos(isdang1);
a94466c5	158	z=-pstart[2]+pinstart[2];
	159	gMC->Gspos("0INS",is,"0STR",x,y,z,idrotm[901+is],"ONLY");
	160
	161	}
	162	for (is=1; is<=12; is++)
	163	{
	164	AliMatrix(idrotm[901+is],
	165	90.-thetaLeft, 30.*is,
	166	90., 90.+30.*is,
	167	thetaLeft, 180.+30.*is);
	168
	169	x=6.5TMath::Sin(isdang1);
	170	y=6.5TMath::Cos(isdang1);
	171	z=-pstart[2]+pinstart[2];
	172	gMC->Gspos("0INS",is,"0STL",x,y,z,idrotm[901+is],"ONLY");
	173
971579f6	174	}
a94466c5	175	x=0;
	176	y=0;
	177	z=-pinstart[2]+ppmt[2];
	178	if(fDebug) printf("%s: is %d, z Divider %f\n",ClassName(),is,z);
	179	gMC->Gspos("0PMT",1,"0INS",x,y,z,0,"ONLY");
	180	z=pinstart[2]-pdivider[2];
	181	gMC->Gspos("0DIV",1,"0INS",x,y,z,0,"ONLY");
	182
971579f6	183	/*
6ca40650	184	//second ring: 20 units of Scintillator+PMT+divider
971579f6	185	Double_t dang2 = 2*TMath::Pi()/26;
	186	Double_t dang3 = 2*TMath::Pi()/20;
	187	for (is=14; is<=33;is++)
	188	{
	189	x=9.3TMath::Sin(dang2+(is-13)dang3);
	190	y=9.3TMath::Cos(dang2+(is-13)dang3);
6ca40650	191	z=-pstart[2]+ppmt[2];
a94466c5	192	gMC->Gspos("0PMT",is,"0STA",x,y,z,0,"ONLY");
971579f6	193	z=z+ppmt[2]+pdiv2[2];
a94466c5	194	gMC->Gspos("0DIV",is,"0STA",x,y,z,0,"ONLY");
971579f6	195	}
971579f6	196	*/
6ca40650	197	// PMT
6ca40650	198
971579f6	199	// Entry window (glass)
a94466c5	200	// gMC->Gsvolu("0TOP","TUBE",idtmed[6],ptop,3);
	201	gMC->Gsvolu("0TOP","TUBE",idtmed[12],ptop,3); //lucite
	202	z=-ppmt[2]+ptop[2];
2ca99a7f	203	gMC->Gspos("0TOP",1,"0PMT",0,0,z,0,"ONLY");
971579f6	204	// printf("Z PTOP %f -ppmt[2] %f ptop[2] %f\n",z,-ppmt[2],ptop[2]);
a94466c5	205
971579f6	206	// Bottom glass
a94466c5	207	gMC->Gsvolu("0BOT","TUBE",idtmed[6],pbot,3);
971579f6	208	z=ppmt[2]-pbot[2];
a94466c5	209	if(fDebug) printf("%s: Z bottom %f\n",ClassName(),z);
a94466c5	210	gMC->Gspos("0BOT",1,"0PMT",0,0,z,0,"ONLY");
971579f6	211	// Side cylinder glass
a94466c5	212	gMC->Gsvolu("0OUT","TUBE",idtmed[6],pglass,3);
971579f6	213	z=ppmt[2]-pglass[2];
971579f6	214	// printf("Z glass %f\n",z);
a94466c5	215	gMC->Gspos("0OUT",1,"0PMT",0,0,z,0,"ONLY");
971579f6	216	//PMT electrodes support structure
a94466c5	217	gMC->Gsvolu("0CER","TUBE",idtmed[4],pcer,3);
a94466c5	218	gMC->Gsvolu("0STE","TUBE",idtmed[8],psteel,3);
971579f6	219	z=-ppmt[2]+2*ptop[2]+0.3;;
	220	// printf("Z Cer 1 %f\n",z);
	221	for (is=1; is<=15; is++)
6ca40650	222	{
971579f6	223	z=z+psteel[2]+pcer[2];
a94466c5	224	gMC->Gspos("0CER",is,"0PMT",0,0,z,0,"ONLY");
971579f6	225	z=z+psteel[2]+pcer[2];
a94466c5	226	gMC->Gspos("0STE",is,"0PMT",0,0,z,0,"ONLY");
971579f6	227	}
	228
	229	// Divider
	230	// Knob at the bottom of PMT baloon
	231
a94466c5	232	gMC->Gsvolu("0NB","TUBE",idtmed[6],pknob,3);
971579f6	233	z=-pdivider[2]+pknob[2];
971579f6	234	// printf("zknob %f\n",z);
a94466c5	235	gMC->Gspos("0NB",1,"0DIV",0,0,z,0,"ONLY");
2ca99a7f	236	gMC->Gsvolu("0KB","TUBE",idtmed[6],pknob_bot,3);
971579f6	237	z=-pdivider[2]+2*pknob[2]+pknob_bot[2];
a94466c5	238	// printf(knobbot %f\n",z);
	239	gMC->Gspos("0KB",1,"0DIV ",0,0,z,0,"ONLY");
	240	gMC->Gsvolu("0VAC","TUBE",idtmed[3],pknob_vac,3);
971579f6	241	z=-pdivider[2]+pknob_vac[2];
971579f6	242	// printf("knobvac %f\n",z);
a94466c5	243	gMC->Gspos("0VAC",1,"0DIV",0,0,z,0,"ONLY");
971579f6	244	//Steel pins + pin holes
a94466c5	245	gMC->Gsvolu("0PIN","TUBE",idtmed[8],ppins,3);
971579f6	246	z=-pdivider[2]+ppins[2];
a94466c5	247	gMC->Gspos("0PIN",1,"0DIV",0,0,z,0,"ONLY");
a94466c5	248	gMC->Gsvolu("0HOL","TUBE",idtmed[11],phole,3);
971579f6	249	z=-pdivider[2]+2*ppins[2]+phole[2];
a94466c5	250	gMC->Gspos("0HOL",1,"0DIV",0,0,z,0,"ONLY");
971579f6	251
971579f6	252	//Socket
2ca99a7f	253	gMC->Gsvolu("0V1","TUBE",idtmed[4],pdiv1,3);
971579f6	254	z=-pdivider[2]+pdiv1[2];
2ca99a7f	255	gMC->Gspos("0V1",1,"0DIV",0,0,z,0,"ONLY");
971579f6	256	//Resistors
2ca99a7f	257	gMC->Gsvolu("0V2","TUBE",idtmed[1],pdiv2,3);
971579f6	258	z=pdivider[2]-pdiv2[2];
2ca99a7f	259	gMC->Gspos("0V2",1,"0DIV",0,0,z,0,"ONLY");
a94466c5	260	gMC->Gsvolu("0RS","TUBE",idtmed[4],presist,3);
971579f6	261	z=-pdiv2[2]+presist[2];
a94466c5	262	gMC->Gspos("0RS",1,"0V2",0,0,z,0,"ONLY");
2ca99a7f	263	gMC->Gsvolu("0RB","TUBE",idtmed[9],pribber,3);
971579f6	264	z=pdiv2[2]-pribber[2];
2ca99a7f	265	gMC->Gspos("0RB",1,"0V2",0,0,z,0,"ONLY");
971579f6	266	// printf("z DRIB %f\n",z);
a94466c5	267
971579f6	268
6ca40650	269	}
a94466c5	270
	271
	272
	273
6ca40650	274	//------------------------------------------------------------------------
	275	void AliSTARTv0::CreateMaterials()
	276	{
ef51244a	277	Int_t isxfld = gAlice->Field()->Integ();
ef51244a	278	Float_t sxmgmx = gAlice->Field()->Max();
6ca40650	279	Float_t a,z,d,radl,absl,buf[1];
	280	Int_t nbuf;
	281
	282	// Scintillator CH
82fc3fb3	283	Float_t ascin[2]={1.01,12.01};
	284	Float_t zscin[2]={1,6};
	285	Float_t wscin[2]={1,1};
	286	Float_t denscin=1.03;
6ca40650	287	// PMT glass SiO2
971579f6	288	Float_t aglass[2]={28.0855,15.9994};
	289	Float_t zglass[2]={14.,8.};
	290	Float_t wglass[2]={1.,2.};
	291	Float_t dglass=2.65;
6ca40650	292	// Ceramic 97.2% Al2O3 , 2.8% SiO2
971579f6	293	Float_t acer[2],zcer[2],wcer[2]={0.972,0.028};
	294	Float_t aal2o3[2] = { 26.981539,15.9994 };
	295	Float_t zal2o3[2] = { 13.,8. };
	296	Float_t wal2o3[2] = { 2.,3. };
	297	Float_t denscer = 3.6;
6ca40650	298
	299	// Brass 80% Cu, 20% Zn
	300	Float_t abrass[2] = {63.546,65.39};
	301	Float_t zbrass[2] = {29,30};
	302	Float_t wbrass[2] = {0.8,0.2};
	303	Float_t denbrass=8.96;
	304
	305	//Ribber C6H12S
	306	Float_t aribber[3] = {12.,1.,32.};
	307	Float_t zribber[3] = {6.,1.,16.};
	308	Float_t wribber[3] = {6.,12.,1.};
	309	Float_t denribber=0.8;
971579f6	310	/*
	311	// Definition Cherenkov parameters
	312	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 };
	313	Float_t rindex_quarz[14] = { 1.528309,1.533333,
	314	1.538243,1.544223,1.550568,1.55777,
	315	1.565463,1.574765,1.584831,1.597027,
	316	1.611858,1.6277,1.6472,1.6724 };
6ca40650	317
971579f6	318	Float_t absco_quarz[14] = { 20.126,16.27,13.49,11.728,9.224,8.38,7.44,7.17,
	319	6.324,4.483,1.6,.323,.073,0. };
	320	*/
	321	// Int_t *idtmed = fIdtmed->GetArray()-999;
	322
	323	// TGeant3 geant3 = (TGeant3) gMC;
	324
6ca40650	325	//* Definition Of avaible START materials *
971579f6	326	AliMaterial(0, "START Steel$", 55.850,26.,7.87,1.76,999);
	327	AliMaterial(1, "START Vacuum$", 1.e-16,1.e-16,1.e-16,1.e16,999);
	328	AliMaterial(2, "START Air$", 14.61, 7.3, .001205, 30423.,999);
	329
	330	AliMixture( 3, "Al2O3 $", aal2o3, zal2o3, denscer, -2, wal2o3);
	331	AliMixture( 4, "PMT glass $",aglass,zglass,dglass,-2,wglass);
	332	char namate[21];
	333	gMC->Gfmate((*fIdmate)[3], namate, a, z, d, radl, absl, buf, nbuf);
	334	acer[0]=a;
	335	zcer[0]=z;
	336	gMC->Gfmate((*fIdmate)[4], namate, a, z, d, radl, absl, buf, nbuf);
	337	acer[1]=a;
	338	zcer[1]=z;
	339
	340	AliMixture( 9, "Ceramic $", acer, zcer, denscer, 2, wcer);
	341	AliMixture( 5, "Scintillator$",ascin,zscin,denscin,-2,wscin);
	342	AliMixture( 6, "Brass $", abrass, zbrass, denbrass, 2, wbrass);
	343
	344	AliMixture( 7, "Ribber $",aribber,zribber,denribber,-3,wribber);
	345
	346
ef51244a	347	AliMedium(1, "START Air$", 2, 0, isxfld, sxmgmx, 10., .1, 1., .003, .003);
	348	AliMedium(2, "Scintillator$", 5, 1, isxfld, sxmgmx, 10., .01, 1., .003, .003);
	349	AliMedium(3, "Vacuum$", 1, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003);
	350	AliMedium(4, "Ceramic$", 9, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003);
	351	AliMedium(6, "Glass$", 4, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003);
	352	AliMedium(8, "Steel$", 0, 0, isxfld, sxmgmx, 1., .001, 1., .001, .001);
	353	AliMedium(11, "Brass $", 6, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003);
	354	AliMedium(9, "Ribber $", 7, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003);
4fdc4526	355	AliMedium(12, "Lucite$", 8, 1, isxfld, sxmgmx, 10., .01, 1., .003, .003);
6ca40650	356
971579f6	357	// geant3->Gsckov(idtmed[2105], 14, ppckov, absco_quarz, effic_all,rindex_quarz);
6ca40650	358
	359	}
	360	//---------------------------------------------------------------------
77ee006c	361	void AliSTARTv0::DrawModule()
6ca40650	362	{
	363	//
	364	// Draw a shaded view of the Forward multiplicity detector version 0
	365	//
971579f6	366
	367	//Set ALIC mother transparent
	368	gMC->Gsatt("ALIC","SEEN",0);
	369	//
	370	//Set volumes visible
2ca99a7f	371	gMC->Gsatt("0STA","SEEN",0);
	372	gMC->Gsatt("0PMT","SEEN",1);
	373	gMC->Gsatt("0DIV","SEEN",1);
971579f6	374	//
	375	gMC->Gdopt("hide","on");
	376	gMC->Gdopt("shad","on");
	377	gMC->SetClipBox(".");
	378	gMC->SetClipBox("*",0,1000,-1000,1000,-1000,1000);
	379	gMC->DefaultRange();
	380	gMC->Gdraw("alic",40,30,0,12,9.5,.7,0.7);
	381	gMC->Gdhead(1111,"T-Zero detector");
	382	gMC->Gdopt("hide","off");
6ca40650	383	}
971579f6	384
6ca40650	385	//-------------------------------------------------------------------
	386	void AliSTARTv0::Init()
	387	{
971579f6	388	// Initialises version 0 of the Forward Multiplicity Detector
	389	//
	390	//Int_t *idtmed = gAlice->Idtmed();
ca7295b2	391	AliSTART::Init();
2ca99a7f	392	fIdSens1=gMC->VolId("0TOP");
ca7295b2	393	printf("* START version 0 initialized *\n");
6ca40650	394
	395	}
	396
	397	//-------------------------------------------------------------------
	398
	399	void AliSTARTv0::StepManager()
	400	{
	401	//
	402	// Called for every step in the START Detector
a94466c5	403	// See AliSTARTv1
a94466c5	404
971579f6	405	}
a94466c5	406	//---------------------------------------------------------------------
a94466c5	407
971579f6	408
	409
	410
6ca40650	411
	412
	413
	414
	415
	416