]> git.uio.no Git - u/mrichter/AliRoot.git/blobdiff - START/AliSTARTv1.cxx
remove warning for (INCLUDEFILES)
[u/mrichter/AliRoot.git] / START / AliSTARTv1.cxx
index fc7e6cf571e945c6305d5eb25e2794afa9569972..8c59fd9ddc3fb3dd6daea7d9eb0d434200d57357 100755 (executable)
 //                                                                  //
 //////////////////////////////////////////////////////////////////////
 
-#include <TMath.h>
+#include <Riostream.h>
+#include <stdlib.h>
+
 #include <TGeometry.h>
-#include <TTUBE.h>
-#include <TNode.h>
 #include <TLorentzVector.h>
+#include <TMath.h>
+#include <TNode.h>
+#include <TTUBE.h>
+#include <TVirtualMC.h>
 
-#include "AliSTARTv1.h"
-#include "AliRun.h"
-#include "AliMC.h"
 #include "AliMagF.h"
+#include "AliRun.h"
 #include "AliSTARThit.h"
-
-#include <iostream.h>
-#include <fstream.h>
-
-//#include "TGeant3.h"
-#include <stdlib.h>
+#include "AliSTARTv1.h"
 
 ClassImp(AliSTARTv1)
 
@@ -76,8 +73,8 @@ void AliSTARTv1::CreateGeometry()
   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 pstart[3]={4.5,10.,4.0};
+  Float_t pinstart[3]={0.,1.6,6.5};
   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};
@@ -94,132 +91,345 @@ void AliSTARTv1::CreateGeometry()
   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 psupport1[3] = {4.5,4.6,4.0};//C kozhuh vnutri
+  Float_t psupport2[3] = {9.4,9.5,4.0};// snaruzhi  C
+  Float_t psupport3[3] = {4.5,9.5,0.05};//kryshki  C
+  Float_t psupport4[3] = {0,1.6,0.05};// dyrki dlia feu v zadnej kryshke Air
+  Float_t psupport5[3] = {1.54,1.6,6.5}; // stakanchik dlai feu  C
+  Float_t psupport6[3] = {0,1.6,0.05}; //kryshechka stakanchika  Al
+  Float_t psupport7[3] = {1.5,1.6,0.6}; //kolechko snaruzhu stakanchika Al
+  // Mother Volume katushka dlia krepezha vokrug truby k Absorbru
+  Float_t ppcon[70]; 
+    ppcon[0]  =   0;
+    ppcon[1]  = 360;
+    ppcon[2]  =  15;
+//  1: 
+    ppcon[3]  =  14.1/2;
+    ppcon[4]  =   4.4;
+    ppcon[5]  =   4.5;
+//  2
+    ppcon[6]  = ppcon[3]+1.;
+    ppcon[7]  =   4.4;
+    ppcon[8]  =   4.5;
+//  3
+    ppcon[9]  = ppcon[6];
+    ppcon[10] =   4.4;
+    ppcon[11] =   5.3;
+
+//  4
+
+    ppcon[12]  = ppcon[9]+0.1;
+    ppcon[13] =   4.4;
+    ppcon[14] =   5.3;
+//  5
+
+    ppcon[15]  = ppcon[12];
+    ppcon[16] =   5.1;
+    ppcon[17] =   5.3;
+    
+//  6
+    ppcon[18]  = ppcon[12]+5.8;
+    ppcon[19] =   5.1;
+    ppcon[20] =   5.3;
+    
+//  7
+    ppcon[21]  = ppcon[18];
+    ppcon[22] =   5.1;
+    ppcon[23] =   5.9;
+    
+//  8
+    ppcon[24]  = ppcon[21]+1.5;
+    ppcon[25] =   5.1;
+    ppcon[26] =   5.9;
+//  9
+    ppcon[27]  = ppcon[24]+0.5;
+    ppcon[28] =   5.1;
+    ppcon[29] =   5.9;
+
+//  10
+    ppcon[30]  = ppcon[24]+0.5;
+    ppcon[31] =   3.15;
+    ppcon[32] =   5.9;
+
+//  11
+    ppcon[33]  = ppcon[30];
+    ppcon[34] =   3.15;
+    ppcon[35] =   5.9;
+//  12
+    ppcon[36]  = ppcon[30];
+    ppcon[37] =   3.15;
+    ppcon[38] =   3.25;
+    
+//  13
+    ppcon[39]  = ppcon[36]+4.5;
+    ppcon[40] =   3.15;
+    ppcon[41] =   3.25;
+//  14
+    ppcon[42]  = ppcon[36]+4.5;
+    ppcon[43] =   3.15;
+    ppcon[44] =   7.6;
+//  15
+    ppcon[45]  = ppcon[42]+0.9;
+    ppcon[46] =   3.15;
+    ppcon[47] =   7.6;
+    
+    gMC->Gsvolu("0SUP", "PCON", idtmed[kAir], ppcon,48);
+    z=69.7; //+14.1/2;
+    gMC->Gspos("0SUP",1, "ALIC", 0,0,z,0,"ONLY");
 
-  Float_t zdet=75.;
+  Float_t zdetRight=69.7,zdetLeft=350;
  //-------------------------------------------------------------------
  //  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");
+    gMC->Gsvolu("0STR","TUBE",idtmed[kAir],pstart,3);
+    gMC->Gsvolu("0STL","TUBE",idtmed[kAir],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("INST","TUBE",idtmed[1],pinstart,3);
-    gMC->Gsvolu("PMT ","TUBE",idtmed[3],ppmt,3);     
-    gMC->Gsvolu("DIVI","TUBE",idtmed[3],pdivider,3);     
-
+    gMC->Gsvolu("0INS","TUBE",idtmed[kAir],pinstart,3);
+    gMC->Gsvolu("0PMT","TUBE",idtmed[kVac],ppmt,3);     
+    gMC->Gsvolu("0DIV","TUBE",idtmed[kVac],pdivider,3);     
+    gMC->Gsvolu("0SU1","TUBE",idtmed[kC],psupport1,3);//C kozhuh vnutri
+    gMC->Gsvolu("0SU2","TUBE",idtmed[kC],psupport2,3);// snaruzhi  C
+    gMC->Gsvolu("0SU3","TUBE",idtmed[kC],psupport3,3);//kryshka perednaiai  C
+    gMC->Gsvolu("0SU4","TUBE",idtmed[kC],psupport3,3);//kryshka zadnaiai  C
+    gMC->Gsvolu("0SU5","TUBE",idtmed[kAir],psupport4,3);// dyrki dlia feu v zadnej kryshke Air
+    cout<<" 0Su6 >> "<<psupport5[0]<<" "<<psupport5[1]<<" "<<psupport5[2]<<endl;
+    gMC->Gsvolu("0SU6","TUBE",idtmed[kC],psupport5,3);// stakanchik dlai feu  C
+    gMC->Gsvolu("0SU7","TUBE",idtmed[kAl],psupport6,3);//kryshechka stakanchika  Al
+    gMC->Gsvolu("0SU8","TUBE",idtmed[kAl],psupport7,3);//kolechko snaruzhu stakanchika Al
+       
 // first ring: 12 units of Scintillator+PMT+divider
-    Double_t dang1 = 2*TMath::Pi()/12;
-    for (is=1; is<=12; is++)
+  Float_t  theta  = (180 / TMath::Pi()) * TMath::ATan(6.5 / zdetRight);
+  Float_t angel  = 2 * TMath::Pi() / 12;
+  Float_t phi[3];
+   for (is=0; 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]+pinstart[2];
-       gMC->Gspos("INST",is,"STRT",x,y,z,idrotm[901+is],"ONLY");
-       printf("z PMT %f\n",z);
 
+       x = 6.5 * TMath::Sin(is * angel);
+       y = 6.5 * TMath::Cos(is * angel);
        
-       x=0;
-       y=0;
-       z=-pinstart[2]+ppmt[2];
-       printf(" is %d, z Divider %f\n",is,z);
-       gMC->Gspos("PMT ",is,"INST",x,y,z,0,"ONLY");
-       z=pinstart[2]-pdivider[2];
-       gMC->Gspos("DIVI",is,"INST",x,y,z,0,"ONLY");
-      }
-     /*  
-//second ring: 20 units of Scintillator+PMT+divider
-      Double_t dang2 = 2*TMath::Pi()/26;
-      Double_t dang3 = 2*TMath::Pi()/20;
-       for (is=14; is<=33;is++)  
-     {  
-     x=9.3*TMath::Sin(dang2+(is-13)*dang3);
-     y=9.3*TMath::Cos(dang2+(is-13)*dang3);
-      z=-pstart[2]+ppmt[2];
-      gMC->Gspos("PMT ",is,"STRT",x,y,z,0,"ONLY");
-      z=z+ppmt[2]+pdiv2[2];
-      gMC->Gspos("DIVI",is,"STRT",x,y,z,0,"ONLY");
-      }
-     */
+     phi[0] = -30 * is;
+     phi[1] = 90 - is * 30;
+     phi[2] = 90 - is * 30;
+     for (Int_t j = 0; j < 3; j++)
+       if (phi[j] < 0)  phi[j] += 360;
+       
+     AliMatrix (idrotm[902 + is], 90.,         phi[0],
+                                90. + theta, phi[1],
+                                theta,       phi[2]);  
+       z=-pstart[2]+pinstart[2]+0.2;
+     gMC->Gspos ("0INS", is + 1, "0STR", x, y, z, idrotm[902 + is], "ONLY");
+     gMC->Gspos ("0INS", is + 13, "0STL", x, y, z, 0, "ONLY");
+      }        
+
+   
+      x=0;
+    y=0;
+    z=-pinstart[2]+ppmt[2]+2.*psupport6[2];
+    gMC->Gspos("0PMT",1,"0INS",x,y,z,0,"ONLY");
+    z=z+pdivider[2]+ppmt[2];
+    gMC->Gspos("0DIV",1,"0INS",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");
+    gMC->Gsvolu("0TOP","TUBE",idtmed[kGlass],ptop,3); //glass
+     //   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("PBOT","TUBE",idtmed[6],pbot,3);
+    gMC->Gsvolu("0BOT","TUBE",idtmed[kGlass],pbot,3);
     z=ppmt[2]-pbot[2];
-    printf("Z bottom %f\n",z);
-    gMC->Gspos("PBOT",1,"PMT ",0,0,z,0,"ONLY");
+    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("POUT","TUBE",idtmed[6],pglass,3);
+    gMC->Gsvolu("0OUT","TUBE",idtmed[kGlass],pglass,3);
     z=ppmt[2]-pglass[2];
     //      printf("Z glass %f\n",z);
-    gMC->Gspos("POUT",1,"PMT ",0,0,z,0,"ONLY");
+    gMC->Gspos("0OUT",1,"0PMT",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);
+    gMC->Gsvolu("0CER","TUBE",idtmed[kCer],pcer,3);
+    gMC->Gsvolu("0STE","TUBE",idtmed[kSteel],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");
+       gMC->Gspos("0CER",is,"0PMT",0,0,z,0,"ONLY");
        z=z+psteel[2]+pcer[2];
-       gMC->Gspos("PSTE",is,"PMT",0,0,z,0,"ONLY");
+       gMC->Gspos("0STE",is,"0PMT",0,0,z,0,"ONLY");
       }
     
     // Divider
     // Knob at the bottom of PMT baloon
     
-    gMC->Gsvolu("KNOB","TUBE",idtmed[6],pknob,3);
+    gMC->Gsvolu("0NB","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);
+    gMC->Gspos("0NB",1,"0DIV",0,0,z,0,"ONLY");
+    gMC->Gsvolu("0KB","TUBE",idtmed[kGlass],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);
+    //      printf(knobbot %f\n",z);
+    gMC->Gspos("0KB",1,"0DIV ",0,0,z,0,"ONLY");
+    gMC->Gsvolu("0VAC","TUBE",idtmed[kVac],pknob_vac,3);
     z=-pdivider[2]+pknob_vac[2];
     //      printf("knobvac %f\n",z);
-    gMC->Gspos("KNVA",1,"DIVI",0,0,z,0,"ONLY");
+    gMC->Gspos("0VAC",1,"0DIV",0,0,z,0,"ONLY");
     //Steel pins + pin holes
-    gMC->Gsvolu("PINS","TUBE",idtmed[8],ppins,3);
+    gMC->Gsvolu("0PIN","TUBE",idtmed[kSteel],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);
+    gMC->Gspos("0PIN",1,"0DIV",0,0,z,0,"ONLY");
+    gMC->Gsvolu("0HOL","TUBE",idtmed[kBrass],phole,3);
     z=-pdivider[2]+2*ppins[2]+phole[2];
-    gMC->Gspos("HOLE",1,"DIVI",0,0,z,0,"ONLY");
+    gMC->Gspos("0HOL",1,"0DIV",0,0,z,0,"ONLY");
     
     //Socket
-    gMC->Gsvolu("DIV1","TUBE",idtmed[4],pdiv1,3);
+    gMC->Gsvolu("0V1","TUBE",idtmed[kCer],pdiv1,3);
     z=-pdivider[2]+pdiv1[2];
-    gMC->Gspos("DIV1",1,"DIVI",0,0,z,0,"ONLY");
+    gMC->Gspos("0V1",1,"0DIV",0,0,z,0,"ONLY");
     //Resistors
-    gMC->Gsvolu("DIV2","TUBE",idtmed[1],pdiv2,3);
+    gMC->Gsvolu("0V2","TUBE",idtmed[kAir],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);
+    gMC->Gspos("0V2",1,"0DIV",0,0,z,0,"ONLY");
+    gMC->Gsvolu("0RS","TUBE",idtmed[kCer],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);
+    gMC->Gspos("0RS",1,"0V2",0,0,z,0,"ONLY");
+    gMC->Gsvolu("0RB","TUBE",idtmed[kRibber],pribber,3);
     z=pdiv2[2]-pribber[2];
-    gMC->Gspos("DRIB",1,"DIV2",0,0,z,0,"ONLY");
-    //      printf("z DRIB %f\n",z);
+    gMC->Gspos("0RB",1,"0V2",0,0,z,0,"ONLY");
+
+
+    //Support  left side
+
+    z=-pstart[2]+psupport1[2];
+    gMC->Gspos("0SU1",2,"0STL",0,0,z,0,"ONLY"); //C kozhuh snaruzhi
+    gMC->Gspos("0SU2",2,"0STL",0,0,z,0,"ONLY"); //C kozhuh vnutri
+    z=-pstart[2]+psupport3[2];
+    gMC->Gspos("0SU3",2,"0STL",0,0,z,0,"ONLY"); //peredniaia kryshka
+    z=-pstart[2]+2.*psupport1[2];
+    gMC->Gspos("0SU4",2,"0STL",0,0,z,0,"ONLY"); //zadnaiai kryshka
+    //Dyrki dlia feu v zadnej kryshke
+    z=0;
     
+    for (is=1; is<=12; is++)
+      {  
+       x=6.5*TMath::Sin(is*angel);
+       y=6.5 *TMath::Cos(is*angel);
+       gMC->Gspos("0SU5",is+12,"0SU4",x,y,z,0,"ONLY");
+
+      }        
+
+    //Support  right side
+
+    z=-pstart[2]+psupport1[2];
+    gMC->Gspos("0SU1",1,"0STR",0,0,z,0,"ONLY"); //C kozhuh snaruzhi
+    gMC->Gspos("0SU2",1,"0STR",0,0,z,0,"ONLY"); //C kozhuh vnutri
+    z=-pstart[2]+psupport3[2];
+    gMC->Gspos("0SU3",1,"0STR",0,0,z,0,"ONLY"); //peredniaia kryshka
+    z=-pstart[2]+2.*psupport1[2];
+    gMC->Gspos("0SU4",1,"0STR",0,0,z,0,"ONLY"); //zadnaiai kryshka
+    //Dyrki dlia feu v zadnej kryshke
+    z=0;
+    
+    for (is=1; is<=12; is++)
+      {  
+       x=(6.5+7.8*TMath::Tan(5.4*3.1415/180)) *TMath::Sin(is*angel);
+       y=(6.5+7.8*TMath::Tan(5.4*3.1415/180)) *TMath::Cos(is*angel);
+       gMC->Gspos("0SU5",is,"0SU4",x,y,z,0,"ONLY");
+
+      }        
+
+    gMC->Gspos("0SU6",1,"0INS",0,0,0,0,"ONLY");//C stakanchik dlia feu 
+    z=-psupport5[2]+psupport6[2];
+    gMC->Gspos("0SU7",1,"0SU6",0,0,z,0,"ONLY"); //Al kryshechka 
     
+    z=pinstart[2]-psupport7[2];
+    gMC->Gspos("0SU8",1,"0SU6",0,0,z,0,"ONLY"); //Al kolechko
+    
+
+    Float_t par[3];
+    par[0]=4.4;
+    par[1]=4.5;
+    par[2]=0.5;
+    gMC->Gsvolu("0SC0","TUBE",idtmed[kC],par,3);
+    z=ppcon[3]+par[2];
+    gMC->Gspos("0SC0",1,"0SUP",0,0,z,0,"ONLY"); 
+    z += par[2];
+    par[0]=4.4;
+    par[1]=5.1;
+    par[2]=0.05;
+    gMC->Gsvolu("0SC1","TUBE",idtmed[kC],par,3);
+    z += par[2];
+    gMC->Gspos("0SC1",1,"0SUP",0,0,z,0,"ONLY"); 
+    z=z+par[2];
+    par[0]=5.1;
+    par[1]=5.2;
+    par[2]=5.8/2;
+    gMC->Gsvolu("0SC2","TUBE",idtmed[kC],par,3);
+    z += par[2];
+    gMC->Gspos("0SC2",1,"0SUP",0,0,z,0,"ONLY"); 
+    z += par[2];
+    Float_t parC[5];
+    parC[0]=0.25;
+    parC[1]=5.1;
+    parC[2]=5.2;
+    parC[3]=5.5;
+    parC[4]=5.6;
+    gMC->Gsvolu("0SC3","CONE",idtmed[kC],parC,5);
+    z += parC[0];
+    gMC->Gspos("0SC3",1,"0SUP",0,0,z,0,"ONLY"); 
+    z += parC[0];
+    par[0]=5.5;
+    par[1]=5.6;
+    par[2]=1.2/2;
+    gMC->Gsvolu("0SC4","TUBE",idtmed[kC],par,3);
+    z += par[2];
+    gMC->Gspos("0SC4",1,"0SUP",0,0,z,0,"ONLY"); 
+    par[0]=5.1;
+    par[1]=5.5;
+    par[2]=1.2/2;
+    gMC->Gsvolu("0SA0","TUBE",idtmed[kAl],par,3);
+    gMC->Gspos("0SA0",1,"0SUP",0,0,z,0,"ONLY"); 
+    //gvozdi dlia skruchivaniia Al i C parts
+    par[0]=5.75; 
+    par[1]=5.78;
+    gMC->Gsvolu("0SN1","TUBE",idtmed[kSteel],par,3);
+    gMC->Gspos("0SN1",1,"0SUP",0,0,z,0,"ONLY"); 
+    z += par[2];
+    par[0]=3.15;
+    par[1]=5.5;
+    par[2]=0.1;
+    gMC->Gsvolu("0SA1","TUBE",idtmed[kAl],par,3);
+    z += par[2];
+    gMC->Gspos("0SA1",1,"0SUP",0,0,z,0,"ONLY"); 
+    z=z+par[2];
+    par[0]=3.15;
+    par[1]=3.16;
+    par[2]=4.7/2;
+    gMC->Gsvolu("0SA2","TUBE",idtmed[kAl],par,3);
+    z += par[2];
+    gMC->Gspos("0SA2",1,"0SUP",0,0,z,0,"ONLY"); 
+    z=z+par[2];
+    par[0]=3.16; // eta chast' prikruchena k absorberu
+    par[1]=7.5;
+    par[2]=0.3;
+    gMC->Gsvolu("0SA3","TUBE",idtmed[kAl],par,3);
+    z += par[2];
+    gMC->Gspos("0SA3",1,"0SUP",0,0,z,0,"ONLY"); 
+    par[0]=3.16; // gvozdi eta chast' prikruchena k absorberu
+    par[1]=7.5;
+    par[2]=0.01;
+    gMC->Gsvolu("0SN2","TUBE",idtmed[kSteel],par,3);
+    gMC->Gspos("0SN2",1,"0SUP",0,0,z,0,"ONLY"); 
+       
 }    
 //------------------------------------------------------------------------
 void AliSTARTv1::CreateMaterials()
@@ -234,7 +444,12 @@ void AliSTARTv1::CreateMaterials()
    Float_t zscin[2]={1,6};
    Float_t wscin[2]={1,1};
    Float_t denscin=1.03;
-// PMT glass SiO2
+//Lucite C(CH3)CO2CH3
+   Float_t alucite[3]={1.01,12.01,15.999};
+   Float_t zlucite[3]={1,6,8};
+   Float_t wlucite[3]={8,5,2};
+   Float_t denlucite=1.16;
+ // PMT glass SiO2
    Float_t aglass[2]={28.0855,15.9994};
    Float_t zglass[2]={14.,8.};
    Float_t wglass[2]={1.,2.};
@@ -257,22 +472,18 @@ void AliSTARTv1::CreateMaterials()
    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. };
-   */
+// Support inside 
+   Float_t asupport[2] = {12.,1.};
+   Float_t zsupport[2] = {6.,1.};
+   Float_t wsupport[2] = {1.,1.};
+   Float_t densupport=0.1;
     
 //*** 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$", 14.61, 7.3, .001205, 30423.,999); 
+   AliMaterial(10, "CarbonPlastic$", 12.01, 6.0, 2.26, 18.8,999); 
+   AliMaterial(11, "Aliminium$", 26.98, 13.0, 2.7, 8.9,999); 
 
    AliMixture( 3, "Al2O3   $", aal2o3, zal2o3, denscer, -2, wal2o3);
    AliMixture( 4, "PMT glass   $",aglass,zglass,dglass,-2,wglass);
@@ -289,19 +500,24 @@ void AliSTARTv1::CreateMaterials()
    AliMixture( 6, "Brass    $", abrass, zbrass, denbrass, 2, wbrass);
    
    AliMixture( 7, "Ribber $",aribber,zribber,denribber,-3,wribber);
-   
+   AliMixture( 8, "Lucite$",alucite,zlucite,denlucite,-3,wlucite);
+   AliMixture( 9, "Penoplast$",asupport,zsupport,densupport,-2,wsupport);
    
    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$", 4, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003);
+   AliMedium(6, "Glass$", 4, 1, 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  $", 6, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003);
-   cout<<"++++++++++++++Medium set++++++++++"<<endl;
+   AliMedium(12, "Lucite$", 8, 1, isxfld, sxmgmx, 10., .01, 1., .003, .003);  
+   AliMedium(13, "CarbonPlastic$", 10, 0, isxfld, sxmgmx, 10., .01, 1., .003, .003);  
+   AliMedium(14, "PenoPlast$", 9, 0, isxfld, sxmgmx, 10., .01, 1., .003, .003);  
+   AliMedium(15, "Aluminium$", 11, 0, isxfld, sxmgmx, 10., .01, 1., .003, .003);  
 
-//  geant3->Gsckov(idtmed[2105], 14, ppckov, absco_quarz, effic_all,rindex_quarz);
+   if(fDebug) cout<<ClassName()<<": ++++++++++++++Medium set++++++++++"<<endl;
 
 }
 //---------------------------------------------------------------------
@@ -315,12 +531,12 @@ void AliSTARTv1::DrawDetector()
   gMC->Gsatt("ALIC","SEEN",0);
   //
   //Set volumes visible
-  //  gMC->Gsatt("STRT","SEEN",0);
-  gMC->Gsatt("INST","SEEN",0);
-  gMC->Gsatt("PMT ","SEEN",1);
-  gMC->Gsatt("DIVI","SEEN",1);
+  //  gMC->Gsatt("0ST","SEEN",0);
+  gMC->Gsatt("0INS","SEEN",0);
+  gMC->Gsatt("0PMT","SEEN",1);
+  gMC->Gsatt("0DIV","SEEN",1);
   //
-  gMC->Gdopt("hide","on");
+  gMC->Gdopt("hide","off");
   gMC->Gdopt("shad","on");
   gMC->SetClipBox(".");
   gMC->SetClipBox("*",0,1000,-1000,1000,-1000,1000);
@@ -337,8 +553,8 @@ void AliSTARTv1::Init()
 //
 //Int_t *idtmed  = gAlice->Idtmed();
   AliSTART::Init();
-  fIdSens1=gMC->VolId("PTOP");
-  printf("*** START version 0 initialized ***\n");
+  fIdSens1=gMC->VolId("0TOP");
+  if(fDebug) printf("%s: *** START version 0 initialized ***\n",ClassName());
  
 }
 
@@ -358,23 +574,26 @@ void AliSTARTv1::StepManager()
   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
+  //  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
+   // Check the sensetive volume
   if(id==fIdSens1 ) {
     if(gMC->IsTrackEntering()) {
       gMC->CurrentVolOffID(2,copy);
-      vol[0]=copy;
-      gMC->CurrentVolOffID(1,copy1);
-      vol[1]=copy1;
+      vol[1]=copy;
+      gMC->CurrentVolOffID(3,copy1);
+      vol[0]=copy1;
+
       gMC->TrackPosition(pos);
       hits[0] = pos[0];
       hits[1] = pos[1];
       hits[2] = pos[2];
+      if(pos[2]<0) vol[0]=2;
+      if(pos[2]>=0) vol[0]=1;
+     
       Float_t etot=gMC->Etot();
       hits[4]=etot;
       Int_t iPart= gMC->TrackPid();
@@ -387,20 +606,12 @@ void AliSTARTv1::StepManager()
     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);      
     }
   }