[u/mrichter/AliRoot.git] / STRUCT / AliDIPOv2.cxx

///////////////////////////////////////////////////////////////////////////////
//                                                                           //
//  Magnetic Dipole version 1                                                //
//                                                                           //
//Begin_Html
/*
<img src="gif/AliDIPOv2Class.gif">
</pre>
<br clear=left>
<font size=+2 color=red>
<p>The responsible person for this module is
<a href="mailto:andreas.morsch@cern.ch">Andreas Morsch</a>.
</font>
<pre>
*/
//End_Html
//                                                                           //
//                                                                           //
///////////////////////////////////////////////////////////////////////////////

#include "AliDIPOv2.h"
#include "AliRun.h"
#include "AliMC.h"
#include "AliConst.h"
 
ClassImp(AliDIPOv2)
 
//_____________________________________________________________________________
AliDIPOv2::AliDIPOv2() : AliDIPO()
{
  //
  // Default constructor for magnetic dipole version 2
  //
}
 
//_____________________________________________________________________________
AliDIPOv2::AliDIPOv2(const char *name, const char *title)
  : AliDIPO(name,title)
{
  //
  // Standard constructor for the magnetic dipole version 2    
   SetMarkerColor(7);
   SetMarkerStyle(2);
   SetMarkerSize(0.4);
}
 
//_____________________________________________________________________________
void AliDIPOv2::CreateGeometry()
{
  //
  // Creation of the geometry of the magnetic DIPOLE version 2
  //
  //Begin_Html
  /*
    <img src="gif/AliDIPOv2Tree.gif">
  */
  //End_Html
  //Begin_Html
  /*
    <img src="gif/AliDIPOv2.gif">
  */
  //End_Html

  AliMC* pMC = AliMC::GetMC();
  
  Float_t cpar[5], tpar[3], ypar[4];
  Float_t dz, dx, dy;
  Int_t idrotm[1899];
  Float_t acc_max, the1, phi1, the2, phi2, the3, phi3;

  Int_t *idtmed = gAlice->Idtmed();
  
  //abs_d   = 90.;  // DEFINES DRIFT LENGTH 
  //z_nose  = 102.;
  //z_cone  = 285.;
  //theta1  = 24.;  // 1. angle defining the front absorber 
  //theta2  = 5.;   // 2. angle defining the front absorbe 
  acc_max = 9.;   // ANGLE POLAIRE MAXIMUM 
  //acc_min = 2.;   // ANGLE POLAIRE MINIMUM DE DETECTION 
  //abs_l   = 503.;
  //d_steel = 1.;   // THICKNESS OF STEEL SUPPORT 
  //d_poly  = 7.5;
  //d_pb    = 2.5;
  //abs_cc  = 315.; // DEFINES LENGTH OF CARBON 
  //abs_c   = 358.;
  //abs_s   = 150.; // DEFINES W-SHIELD LENGTH 
  //abs_n   = 80.;  // START OF NOSE 
  //r_abs   = 4.;
  //r_pb    = .1;
  //epsilon = .01;
  //theta_r = 3.;
  //d_rear  = 35.;
  //theta_open = .75;
  
  //z_l3      = 700.;
  //zmag_in   = 725.;
  //zmag_out  = 1225.;
  //zfil_in   = 1471.;
  //zfil_out  = 1591.;
  //zcon_in   = 1900.;
  //zcon_out  = 2e3;
  //zcone_e   = 859.0875;
  //spec_l    = 1800.;
  //zplug_in  = 1780.;
  //zplug_out = 1900.;
  
  //     Chamber position 
  //      CZ1=515.5 
  //cz1 = 511.;
  //cz2 = 686.;
  //cz3 = 971.;
  //cz4 = 1245.;
  //cz5 = 1445.;
  //cz6 = 1610.;
  //cz7 = 1710.;
  
  
  //       DIPOLE MAGNET 
  
  tpar[0] = 300.;
  tpar[1] = 415.;
  tpar[2] = 250.;
  pMC->Gsvolu("DDIP", "BOX ", idtmed[1814], tpar, 3);
  
  //       COILS 
  
  // air - m.f. 
  cpar[0] = 210.;
  cpar[1] = 263.;
  cpar[2] = 83.2/2.;
  cpar[3] = 120.;
  cpar[4] = 240.;
  pMC->Gsvolu("DC1 ", "TUBS", idtmed[1813], cpar, 5);
  cpar[3] = -60.;
  cpar[4] = 60.;
  pMC->Gsvolu("DC2 ", "TUBS", idtmed[1813], cpar, 5);
  // ... define regions for higher cuts 
  cpar[0] += 10.;
  cpar[1] += -10.;
  cpar[2] += -10.;
  cpar[3]  = 120.;
  cpar[4]  = 240.;
  pMC->Gsvolu("DC3 ", "TUBS", idtmed[1833], cpar, 5);
  pMC->Gspos("DC3 ", 1, "DC1 ", 0., 0., 0., 0, "ONLY");
  cpar[3] = -60.;
  cpar[4] = 60.;
  pMC->Gsvolu("DC4 ", "TUBS", idtmed[1833], cpar, 5);
  pMC->Gspos("DC4 ", 1, "DC2 ", 0., 0., 0., 0, "ONLY");
  // ... 
  dz = 83.2/2. - 250.;
  pMC->Gspos("DC1 ", 1, "DDIP", 0., 0.,  dz, 0, "ONLY");
  pMC->Gspos("DC1 ", 2, "DDIP", 0., 0., -dz, 0, "ONLY");
  pMC->Gspos("DC2 ", 1, "DDIP", 0., 0.,  dz, 0, "ONLY");
  pMC->Gspos("DC2 ", 2, "DDIP", 0., 0., -dz, 0, "ONLY");
  the1 = 180.;
  phi1 = 0.;
  the2 = 90.;
  phi2 = 150.;
  the3 = 90.;
  phi3 = 60.;
  AliMatrix(idrotm[1800], the1, phi1, the2, phi2, the3, phi3);
  phi2 = 30.;
  the3 = -90.;
  phi3 = -60.;
  AliMatrix(idrotm[1801], the1, phi1, the2, phi2, the3, phi3);
  the1 = 0.;
  phi1 = 0.;
  the2 = 90.;
  phi2 = 150.;
  the3 = 90.;
  phi3 = 60.;
  AliMatrix(idrotm[1802], the1, phi1, the2, phi2, the3, phi3);
  phi2 = 30.;
  the3 = -90.;
  phi3 = -60.;
  AliMatrix(idrotm[1803], the1, phi1, the2, phi2, the3, phi3);
  cpar[0] = 25.;
  cpar[1] = 108.2;
  cpar[2] = 26.5;
  cpar[3] = 270.;
  cpar[4] = 360.;
  pMC->Gsvolu("DC11", "TUBS", idtmed[1813], cpar, 5);
  // ... higher cuts 
  cpar[0] += 10.;
  cpar[1] += -10.;
  cpar[2] += -10.;
  pMC->Gsvolu("DC21", "TUBS", idtmed[1833], cpar, 5);
  pMC->Gspos("DC21", 1, "DC11", 0., 0., 0., 0, "ONLY");
  // ... 
  dx = TMath::Sin(30*kDegrad) * -236.5;
  dy = TMath::Cos(30*kDegrad) * -236.5;
  dz = cpar[1] + 10. - 250.;
  pMC->Gspos("DC11", 1, "DDIP",  dx, dy,  dz, idrotm[1800], "ONLY");
  pMC->Gspos("DC11", 2, "DDIP",  dx, dy, -dz, idrotm[1802], "ONLY");
  pMC->Gspos("DC11", 3, "DDIP", -dx, dy,  dz, idrotm[1801], "ONLY");
  pMC->Gspos("DC11", 4, "DDIP", -dx, dy, -dz, idrotm[1803], "ONLY");
  cpar[0] = 25.;
  cpar[1] = 25.+83.2;
  cpar[2] = 53./2.;
  cpar[3] = 0.;
  cpar[4] = 90.;
  pMC->Gsvolu("DC12", "TUBS", idtmed[1813], cpar, 5);
  // ... higher cuts 
  cpar[0] += 10.;
  cpar[1] += -10.;
  cpar[2] += -10.;
  pMC->Gsvolu("DC22", "TUBS", idtmed[1833], cpar, 5);
  pMC->Gspos("DC22", 1, "DC12", 0., 0., 0., 0, "ONLY");
  // ... 
  dx = TMath::Sin(30*kDegrad) * -236.5;
  dy = TMath::Cos(30*kDegrad) * 236.5;
  dz = cpar[1] + 10. - 250.;
  pMC->Gspos("DC12", 1, "DDIP",  dx, dy,  dz, idrotm[1801], "ONLY");
  pMC->Gspos("DC12", 2, "DDIP",  dx, dy, -dz, idrotm[1803], "ONLY");
  pMC->Gspos("DC12", 3, "DDIP", -dx, dy,  dz, idrotm[1800], "ONLY");
  pMC->Gspos("DC12", 4, "DDIP", -dx, dy, -dz, idrotm[1802], "ONLY");
  the1 = 90.;
  phi1 = 60.;
  the2 = 90.;
  phi2 = 150.;
  the3 = 0.;
  phi3 = 0.;
  AliMatrix(idrotm[1804], the1, phi1, the2, phi2, the3, phi3);
  the1 = 90.;
  phi1 = 120.;
  the2 = 90.;
  phi2 = 210.;
  the3 = 0.;
  phi3 = 0.;
  AliMatrix(idrotm[1805], the1, phi1, the2, phi2, the3, phi3);
  tpar[0] = 53./2.;
  tpar[1] = 83.2/2.;
  tpar[2] = 283.6/2.;
  pMC->Gsvolu("DL1 ", "BOX ", idtmed[1813], tpar, 3);
  // ... higher cuts 
  tpar[0] -= 10.;
  tpar[1] -= 10.;
  pMC->Gsvolu("DL2 ", "BOX ", idtmed[1833], tpar, 3);
  pMC->Gspos("DL2 ", 1, "DL1 ", 0., 0., 0., 0, "ONLY");
  // ... 
  dx = -60.5;
  dy = -238.;
  dz = 0.;
  pMC->Gspos("DL1 ", 1, "DDIP", dx,  dy, dz, idrotm[1804], "ONLY");
  pMC->Gspos("DL1 ", 2, "DDIP", dx, -dy, dz, idrotm[1805], "ONLY");
  pMC->Gspos("DL1 ", 3, "DDIP",-dx,  dy, dz, idrotm[1805], "ONLY");
  pMC->Gspos("DL1 ", 4, "DDIP",-dx, -dy, dz, idrotm[1804], "ONLY");
  
  //   YOKE 
  
  ypar[1] = 275.8;
  ypar[2] = 5.;
  ypar[3] = 156.8;
  ypar[0] = ypar[1] - ypar[3] * 2. * TMath::Tan(acc_max * kDegrad);
  pMC->Gsvolu("DY1 ", "TRD1", idtmed[1809], ypar, 4);
  // iron - 
  dy = 283.5;
  pMC->Gspos("DY1 ", 1, "DDIP", 0.,  dy, 0., 0, "ONLY");
  pMC->Gspos("DY1 ", 2, "DDIP", 0., -dy, 0., 0, "ONLY");
  ypar[2] = 60.;
  pMC->Gsvolu("DY2 ", "TRD1", idtmed[1829], ypar, 4);
  // iron - 
  dy = ypar[2] + 284.;
  pMC->Gspos("DY2 ", 1, "DDIP", 0.,  dy, 0., 0, "ONLY");
  pMC->Gspos("DY2 ", 2, "DDIP", 0., -dy, 0., 0, "ONLY");
  the1 = 99.;
  phi1 = 0.;
  the2 = 90.;
  phi2 = 90.;
  the3 = 9.;
  phi3 = 0.;
  AliMatrix(idrotm[1806], the1, phi1, the2, phi2, the3, phi3);
  the1 = 261.;
  phi1 = 0.;
  the3 = 171.;
  AliMatrix(idrotm[1807], the1, phi1, the2, phi2, the3, phi3);
  tpar[0] = 60.;
  tpar[1] = 283.;
  tpar[2] = 156.8;
  pMC->Gsvolu("DYL ", "BOX ", idtmed[1814], tpar, 3);
  tpar[0] = 5.;
  tpar[1] = 73.;
  pMC->Gsvolu("DY3 ", "BOX ", idtmed[1809], tpar, 3);
  dx = tpar[0] - 60.;
  dy = tpar[1] + 137.;
  pMC->Gspos("DY3 ", 1, "DYL ", dx,  dy, 0., 0, "ONLY");
  pMC->Gspos("DY3 ", 2, "DYL ", dx, -dy, 0., 0, "ONLY");
  tpar[0] = 55.;
  pMC->Gsvolu("DY4 ", "BOX ", idtmed[1829], tpar, 3);
  dx = dx + 5. + tpar[0];
  pMC->Gspos("DY4 ", 1, "DYL ", dx,  dy, 0., 0, "ONLY");
  pMC->Gspos("DY4 ", 2, "DYL ", dx, -dy, 0., 0, "ONLY");
  tpar[0] = 37.7;
  tpar[1] = 137.;
  pMC->Gsvolu("DY5 ", "BOX ", idtmed[1829], tpar, 3);
  dx = 60. - tpar[0];
  pMC->Gspos("DY5 ", 1, "DYL ", dx, 0., 0., 0, "ONLY");
  tpar[0] = 5.;
  pMC->Gsvolu("DY6 ", "BOX ", idtmed[1809], tpar, 3);
  dx = dx - 37.7 - tpar[0];
  pMC->Gspos("DY6 ", 1, "DYL ", dx, 0., 0., 0, "ONLY");
  tpar[0] = 17.3;
  tpar[1] = 5.;
  pMC->Gsvolu("DY7 ", "BOX ", idtmed[1809], tpar, 3);
  dx = tpar[0] - 60.;
  dy = tpar[1] + 127.;
  pMC->Gspos("DY7 ", 1, "DYL ", dx,  dy, 0., 0, "ONLY");
  pMC->Gspos("DY7 ", 2, "DYL ", dx, -dy, 0., 0, "ONLY");
  
  dx = ypar[0] + ypar[3] * TMath::Tan(acc_max * kDegrad) - 60.;
  pMC->Gspos("DYL ", 1, "DDIP", dx, 0., 0., idrotm[1806], "ONLY");
  pMC->Gspos("DYL ", 2, "DDIP",-dx, 0., 0., idrotm[1807], "ONLY");
  pMC->Gspos("DDIP", 1, "ALIC", 0., 0., 725.+250., 0, "MANY");
  pMC->Gsatt("DDIP", "SEEN", 0);
  pMC->Gsatt("DC21", "SEEN", 0);
  pMC->Gsatt("DC22", "SEEN", 0);
  pMC->Gsatt("DC3 ", "SEEN", 0);
  pMC->Gsatt("DC4 ", "SEEN", 0);
}

//_____________________________________________________________________________
void AliDIPOv2::DrawDetector()
{
  //
  // Draw a shaded view of the muon absorber
  //

  AliMC* pMC = AliMC::GetMC();
  
  // Set everything unseen
  pMC->Gsatt("*", "seen", -1);
  // 
  // Set ALIC mother transparent
  pMC->Gsatt("ALIC","SEEN",0);
  //
  // Set the volumes visible
  pMC->Gsatt("DDIP","seen",0);
  pMC->Gsatt("DC1 ","seen",1);
  pMC->Gsatt("DC2 ","seen",1);
  pMC->Gsatt("DC3 ","seen",1);
  pMC->Gsatt("DC4 ","seen",1);
  pMC->Gsatt("DC11","seen",1);
  pMC->Gsatt("DC21","seen",1);
  pMC->Gsatt("DC12","seen",1);
  pMC->Gsatt("DC22","seen",1);
  pMC->Gsatt("DL1 ","seen",1);
  pMC->Gsatt("DL2 ","seen",1);
  pMC->Gsatt("DY1 ","seen",1);
  pMC->Gsatt("DY2 ","seen",1);
  pMC->Gsatt("DYL ","seen",1);
  pMC->Gsatt("DY3 ","seen",1);
  pMC->Gsatt("DY4 ","seen",1);
  pMC->Gsatt("DY5 ","seen",1);
  pMC->Gsatt("DY6 ","seen",1);
  pMC->Gsatt("DY7 ","seen",1);
  //
  pMC->Gdopt("hide", "on");
  pMC->Gdopt("shad", "on");
  pMC->Gsatt("*", "fill", 7);
  pMC->SetClipBox(".");
  pMC->SetClipBox(".");
  pMC->DefaultRange();
  pMC->Gdraw("alic", 30, 30, 0, 17, 13.5, .019, .019);
  pMC->Gdhead(1111, "Magnetic Dipole Version 2");
  pMC->Gdman(16, 4, "MAN");
}

//_____________________________________________________________________________
void AliDIPOv2::CreateMaterials()
{
  //
  // Create Materials for Magnetic Dipole version 2
  //
  
  Int_t ISXFLD   = gAlice->Field()->Integ();
  Float_t SXMGMX = gAlice->Field()->Max();
  
  Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 };
  Float_t zsteel[4] = { 26.,24.,28.,14. };
  Float_t wsteel[4] = { .715,.18,.1,.005 };
  Float_t acoil[3]  = { 26.98,1.01,16. };
  Float_t zcoil[3]  = { 13.,1.,8. };
  Float_t wcoil[3]  = { .66,.226,.114 };
  
  Float_t epsil, stmin, deemax, tmaxfd, stemax;
  
  // --- Define the various materials for GEANT --- 
  //     Aluminum 
  AliMaterial(9, "ALUMINIUM$", 26.98, 13., 2.7, 8.9, 37.2);
  AliMaterial(29, "ALUMINIUM$", 26.98, 13., 2.7, 8.9, 37.2);
  AliMaterial(49, "ALUMINIUM$", 26.98, 13., 2.7, 8.9, 37.2);
  
  //     Iron 
  AliMaterial(10, "IRON$     ", 55.85, 26., 7.87, 1.76, 17.1);
  AliMaterial(30, "IRON$     ", 55.85, 26., 7.87, 1.76, 17.1);
  AliMaterial(50, "IRON$     ", 55.85, 26., 7.87, 1.76, 17.1);
  
  //     Air 
  AliMaterial(15, "AIR$      ", 14.61, 7.3, .001205, 30423.24, 67500);
  AliMaterial(35, "AIR$      ", 14.61, 7.3, .001205, 30423.24, 67500);
  AliMaterial(55, "AIR$      ", 14.61, 7.3, .001205, 30423.24, 67500);
  
  //     Vacuum 
  AliMaterial(16, "VACUUM$ ", 1e-16, 1e-16, 1e-16, 1e16, 1e16);
  AliMaterial(36, "VACUUM$ ", 1e-16, 1e-16, 1e-16, 1e16, 1e16);
  AliMaterial(56, "VACUUM$ ", 1e-16, 1e-16, 1e-16, 1e16, 1e16);
  
  //     stainless Steel 
  AliMixture(19, "STAINLESS STEEL$", asteel, zsteel, 7.88, 4, wsteel);
  AliMixture(39, "STAINLESS STEEL$", asteel, zsteel, 7.88, 4, wsteel);
  AliMixture(59, "STAINLESS STEEL$", asteel, zsteel, 7.88, 4, wsteel);
  
  //     Coil 
  AliMixture(14, "Al$", acoil, zcoil, 2.122, 3, wcoil);
  AliMixture(34, "Al$", acoil, zcoil, 2.122, 3, wcoil);
  AliMixture(54, "Al$", acoil, zcoil, 2.122, 3, wcoil);
  
  // **************** 
  //     Defines tracking media parameters. 
  //     Les valeurs sont commentees pour laisser le defaut 
  //     a GEANT (version 3-21, page CONS200), f.m. 
  epsil  = .001;  // Tracking precision, 
  stemax = -1.;   // Maximum displacement for multiple scat 
  tmaxfd = -20.;  // Maximum angle due to field deflection 
  deemax = -.3;   // Maximum fractional energy loss, DLS 
  stmin  = -.8;
  // *************** 
  
  //    Aluminum 
  AliMedium(1809, "ALU_C0          ",  9, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
  AliMedium(1829, "ALU_C1          ", 29, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
  AliMedium(1849, "ALU_C2          ", 49, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
  
  //    Iron 
  AliMedium(1810, "FE_C0           ", 10, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
  AliMedium(1830, "FE_C1           ", 30, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
  AliMedium(1850, "FE_C2           ", 50, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
  
  //    Air 
  AliMedium(1815, "AIR_C0          ", 15, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
  AliMedium(1835, "AIR_C1          ", 35, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
  AliMedium(1855, "AIR_C2          ", 55, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
  
  //    Vacuum 
  AliMedium(1816, "VA_C0           ", 16, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
  AliMedium(1836, "VA_C1           ", 36, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
  AliMedium(1856, "VA_C2           ", 56, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
  
  //    Steel 
  AliMedium(1819, "ST_C0           ", 19, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
  AliMedium(1839, "ST_C1           ", 39, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
  AliMedium(1859, "ST_C3           ", 59, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
  
  //    Coil 
  AliMedium(1814, "Coil_C1         ", 14, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
  AliMedium(1834, "Coil_C2         ", 34, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
  AliMedium(1854, "Coil_C3         ", 54, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
}

//_____________________________________________________________________________
void AliDIPOv2::StepManager()
{
  //
  // Called at each step in the Dipole Magnet
  //
}
Commit	Line	Data
fe4da5cc	1	///////////////////////////////////////////////////////////////////////////////
	2	// //
	3	// Magnetic Dipole version 1 //
	4	// //
	5	//Begin_Html
	6	/*
	7	<img src="gif/AliDIPOv2Class.gif">
	8	</pre>
	9	<br clear=left>
	10	<font size=+2 color=red>
	11	<p>The responsible person for this module is
	12	<a href="mailto:andreas.morsch@cern.ch">Andreas Morsch</a>.
	13	</font>
	14	<pre>
	15	*/
	16	//End_Html
	17	// //
	18	// //
	19	///////////////////////////////////////////////////////////////////////////////
	20
	21	#include "AliDIPOv2.h"
	22	#include "AliRun.h"
	23	#include "AliMC.h"
	24	#include "AliConst.h"
	25
	26	ClassImp(AliDIPOv2)
	27
	28	//_____________________________________________________________________________
	29	AliDIPOv2::AliDIPOv2() : AliDIPO()
	30	{
	31	//
	32	// Default constructor for magnetic dipole version 2
	33	//
	34	}
	35
	36	//_____________________________________________________________________________
	37	AliDIPOv2::AliDIPOv2(const char name, const char title)
	38	: AliDIPO(name,title)
	39	{
	40	//
	41	// Standard constructor for the magnetic dipole version 2
	42	SetMarkerColor(7);
	43	SetMarkerStyle(2);
	44	SetMarkerSize(0.4);
	45	}
	46
	47	//_____________________________________________________________________________
	48	void AliDIPOv2::CreateGeometry()
	49	{
	50	//
	51	// Creation of the geometry of the magnetic DIPOLE version 2
	52	//
	53	//Begin_Html
	54	/*
	55	<img src="gif/AliDIPOv2Tree.gif">
	56	*/
	57	//End_Html
	58	//Begin_Html
	59	/*
	60	<img src="gif/AliDIPOv2.gif">
	61	*/
	62	//End_Html
	63
	64	AliMC* pMC = AliMC::GetMC();
65
66	Float_t cpar[5], tpar[3], ypar[4];
67	Float_t dz, dx, dy;
68	Int_t idrotm[1899];
69	Float_t acc_max, the1, phi1, the2, phi2, the3, phi3;
70
71	Int_t *idtmed = gAlice->Idtmed();
72
73	//abs_d = 90.; // DEFINES DRIFT LENGTH
74	//z_nose = 102.;
75	//z_cone = 285.;
76	//theta1 = 24.; // 1. angle defining the front absorber
77	//theta2 = 5.; // 2. angle defining the front absorbe
78	acc_max = 9.; // ANGLE POLAIRE MAXIMUM
79	//acc_min = 2.; // ANGLE POLAIRE MINIMUM DE DETECTION
80	//abs_l = 503.;
81	//d_steel = 1.; // THICKNESS OF STEEL SUPPORT
82	//d_poly = 7.5;
83	//d_pb = 2.5;
84	//abs_cc = 315.; // DEFINES LENGTH OF CARBON
85	//abs_c = 358.;
86	//abs_s = 150.; // DEFINES W-SHIELD LENGTH
87	//abs_n = 80.; // START OF NOSE
88	//r_abs = 4.;
89	//r_pb = .1;
90	//epsilon = .01;
91	//theta_r = 3.;
92	//d_rear = 35.;
93	//theta_open = .75;
94
95	//z_l3 = 700.;
96	//zmag_in = 725.;
97	//zmag_out = 1225.;
98	//zfil_in = 1471.;
99	//zfil_out = 1591.;
100	//zcon_in = 1900.;
101	//zcon_out = 2e3;
102	//zcone_e = 859.0875;
103	//spec_l = 1800.;
104	//zplug_in = 1780.;
105	//zplug_out = 1900.;
106
107	// Chamber position
108	// CZ1=515.5
109	//cz1 = 511.;
110	//cz2 = 686.;
111	//cz3 = 971.;
112	//cz4 = 1245.;
113	//cz5 = 1445.;
114	//cz6 = 1610.;
115	//cz7 = 1710.;
116
117
118	// DIPOLE MAGNET
119
120	tpar[0] = 300.;
121	tpar[1] = 415.;
122	tpar[2] = 250.;
123	pMC->Gsvolu("DDIP", "BOX ", idtmed[1814], tpar, 3);
124
125	// COILS
126
127	// air - m.f.
128	cpar[0] = 210.;
129	cpar[1] = 263.;
130	cpar[2] = 83.2/2.;
131	cpar[3] = 120.;
132	cpar[4] = 240.;
133	pMC->Gsvolu("DC1 ", "TUBS", idtmed[1813], cpar, 5);
134	cpar[3] = -60.;
135	cpar[4] = 60.;
136	pMC->Gsvolu("DC2 ", "TUBS", idtmed[1813], cpar, 5);
137	// ... define regions for higher cuts
138	cpar[0] += 10.;
139	cpar[1] += -10.;
140	cpar[2] += -10.;
141	cpar[3] = 120.;
142	cpar[4] = 240.;
143	pMC->Gsvolu("DC3 ", "TUBS", idtmed[1833], cpar, 5);
144	pMC->Gspos("DC3 ", 1, "DC1 ", 0., 0., 0., 0, "ONLY");
145	cpar[3] = -60.;
146	cpar[4] = 60.;
147	pMC->Gsvolu("DC4 ", "TUBS", idtmed[1833], cpar, 5);
148	pMC->Gspos("DC4 ", 1, "DC2 ", 0., 0., 0., 0, "ONLY");
149	// ...
150	dz = 83.2/2. - 250.;
151	pMC->Gspos("DC1 ", 1, "DDIP", 0., 0., dz, 0, "ONLY");
152	pMC->Gspos("DC1 ", 2, "DDIP", 0., 0., -dz, 0, "ONLY");
153	pMC->Gspos("DC2 ", 1, "DDIP", 0., 0., dz, 0, "ONLY");
154	pMC->Gspos("DC2 ", 2, "DDIP", 0., 0., -dz, 0, "ONLY");
155	the1 = 180.;
156	phi1 = 0.;
157	the2 = 90.;
158	phi2 = 150.;
159	the3 = 90.;
160	phi3 = 60.;
161	AliMatrix(idrotm[1800], the1, phi1, the2, phi2, the3, phi3);
162	phi2 = 30.;
163	the3 = -90.;
164	phi3 = -60.;
165	AliMatrix(idrotm[1801], the1, phi1, the2, phi2, the3, phi3);
166	the1 = 0.;
167	phi1 = 0.;
168	the2 = 90.;
169	phi2 = 150.;
170	the3 = 90.;
171	phi3 = 60.;
172	AliMatrix(idrotm[1802], the1, phi1, the2, phi2, the3, phi3);
173	phi2 = 30.;
174	the3 = -90.;
175	phi3 = -60.;
176	AliMatrix(idrotm[1803], the1, phi1, the2, phi2, the3, phi3);
177	cpar[0] = 25.;
178	cpar[1] = 108.2;
179	cpar[2] = 26.5;
180	cpar[3] = 270.;
181	cpar[4] = 360.;
182	pMC->Gsvolu("DC11", "TUBS", idtmed[1813], cpar, 5);
183	// ... higher cuts
184	cpar[0] += 10.;
185	cpar[1] += -10.;
186	cpar[2] += -10.;
187	pMC->Gsvolu("DC21", "TUBS", idtmed[1833], cpar, 5);
188	pMC->Gspos("DC21", 1, "DC11", 0., 0., 0., 0, "ONLY");
189	// ...
190	dx = TMath::Sin(30kDegrad) -236.5;
191	dy = TMath::Cos(30kDegrad) -236.5;
192	dz = cpar[1] + 10. - 250.;
193	pMC->Gspos("DC11", 1, "DDIP", dx, dy, dz, idrotm[1800], "ONLY");
194	pMC->Gspos("DC11", 2, "DDIP", dx, dy, -dz, idrotm[1802], "ONLY");
195	pMC->Gspos("DC11", 3, "DDIP", -dx, dy, dz, idrotm[1801], "ONLY");
196	pMC->Gspos("DC11", 4, "DDIP", -dx, dy, -dz, idrotm[1803], "ONLY");
197	cpar[0] = 25.;
198	cpar[1] = 25.+83.2;
199	cpar[2] = 53./2.;
200	cpar[3] = 0.;
201	cpar[4] = 90.;
202	pMC->Gsvolu("DC12", "TUBS", idtmed[1813], cpar, 5);
203	// ... higher cuts
204	cpar[0] += 10.;
205	cpar[1] += -10.;
206	cpar[2] += -10.;
207	pMC->Gsvolu("DC22", "TUBS", idtmed[1833], cpar, 5);
208	pMC->Gspos("DC22", 1, "DC12", 0., 0., 0., 0, "ONLY");
209	// ...
210	dx = TMath::Sin(30kDegrad) -236.5;
211	dy = TMath::Cos(30kDegrad) 236.5;
212	dz = cpar[1] + 10. - 250.;
213	pMC->Gspos("DC12", 1, "DDIP", dx, dy, dz, idrotm[1801], "ONLY");
214	pMC->Gspos("DC12", 2, "DDIP", dx, dy, -dz, idrotm[1803], "ONLY");
215	pMC->Gspos("DC12", 3, "DDIP", -dx, dy, dz, idrotm[1800], "ONLY");
216	pMC->Gspos("DC12", 4, "DDIP", -dx, dy, -dz, idrotm[1802], "ONLY");
217	the1 = 90.;
218	phi1 = 60.;
219	the2 = 90.;
220	phi2 = 150.;
221	the3 = 0.;
222	phi3 = 0.;
223	AliMatrix(idrotm[1804], the1, phi1, the2, phi2, the3, phi3);
224	the1 = 90.;
225	phi1 = 120.;
226	the2 = 90.;
227	phi2 = 210.;
228	the3 = 0.;
229	phi3 = 0.;
230	AliMatrix(idrotm[1805], the1, phi1, the2, phi2, the3, phi3);
231	tpar[0] = 53./2.;
232	tpar[1] = 83.2/2.;
233	tpar[2] = 283.6/2.;
234	pMC->Gsvolu("DL1 ", "BOX ", idtmed[1813], tpar, 3);
235	// ... higher cuts
236	tpar[0] -= 10.;
237	tpar[1] -= 10.;
238	pMC->Gsvolu("DL2 ", "BOX ", idtmed[1833], tpar, 3);
239	pMC->Gspos("DL2 ", 1, "DL1 ", 0., 0., 0., 0, "ONLY");
240	// ...
241	dx = -60.5;
242	dy = -238.;
243	dz = 0.;
244	pMC->Gspos("DL1 ", 1, "DDIP", dx, dy, dz, idrotm[1804], "ONLY");
245	pMC->Gspos("DL1 ", 2, "DDIP", dx, -dy, dz, idrotm[1805], "ONLY");
246	pMC->Gspos("DL1 ", 3, "DDIP",-dx, dy, dz, idrotm[1805], "ONLY");
247	pMC->Gspos("DL1 ", 4, "DDIP",-dx, -dy, dz, idrotm[1804], "ONLY");
248
249	// YOKE
250
251	ypar[1] = 275.8;
252	ypar[2] = 5.;
253	ypar[3] = 156.8;
254	ypar[0] = ypar[1] - ypar[3] * 2. * TMath::Tan(acc_max * kDegrad);
255	pMC->Gsvolu("DY1 ", "TRD1", idtmed[1809], ypar, 4);
256	// iron -
257	dy = 283.5;
258	pMC->Gspos("DY1 ", 1, "DDIP", 0., dy, 0., 0, "ONLY");
259	pMC->Gspos("DY1 ", 2, "DDIP", 0., -dy, 0., 0, "ONLY");
260	ypar[2] = 60.;
261	pMC->Gsvolu("DY2 ", "TRD1", idtmed[1829], ypar, 4);
262	// iron -
263	dy = ypar[2] + 284.;
264	pMC->Gspos("DY2 ", 1, "DDIP", 0., dy, 0., 0, "ONLY");
265	pMC->Gspos("DY2 ", 2, "DDIP", 0., -dy, 0., 0, "ONLY");
266	the1 = 99.;
267	phi1 = 0.;
268	the2 = 90.;
269	phi2 = 90.;
270	the3 = 9.;
271	phi3 = 0.;
272	AliMatrix(idrotm[1806], the1, phi1, the2, phi2, the3, phi3);
273	the1 = 261.;
274	phi1 = 0.;
275	the3 = 171.;
276	AliMatrix(idrotm[1807], the1, phi1, the2, phi2, the3, phi3);
277	tpar[0] = 60.;
278	tpar[1] = 283.;
279	tpar[2] = 156.8;
280	pMC->Gsvolu("DYL ", "BOX ", idtmed[1814], tpar, 3);
281	tpar[0] = 5.;
282	tpar[1] = 73.;
283	pMC->Gsvolu("DY3 ", "BOX ", idtmed[1809], tpar, 3);
284	dx = tpar[0] - 60.;
285	dy = tpar[1] + 137.;
286	pMC->Gspos("DY3 ", 1, "DYL ", dx, dy, 0., 0, "ONLY");
287	pMC->Gspos("DY3 ", 2, "DYL ", dx, -dy, 0., 0, "ONLY");
288	tpar[0] = 55.;
289	pMC->Gsvolu("DY4 ", "BOX ", idtmed[1829], tpar, 3);
290	dx = dx + 5. + tpar[0];
291	pMC->Gspos("DY4 ", 1, "DYL ", dx, dy, 0., 0, "ONLY");
292	pMC->Gspos("DY4 ", 2, "DYL ", dx, -dy, 0., 0, "ONLY");
293	tpar[0] = 37.7;
294	tpar[1] = 137.;
295	pMC->Gsvolu("DY5 ", "BOX ", idtmed[1829], tpar, 3);
296	dx = 60. - tpar[0];
297	pMC->Gspos("DY5 ", 1, "DYL ", dx, 0., 0., 0, "ONLY");
298	tpar[0] = 5.;
299	pMC->Gsvolu("DY6 ", "BOX ", idtmed[1809], tpar, 3);
300	dx = dx - 37.7 - tpar[0];
301	pMC->Gspos("DY6 ", 1, "DYL ", dx, 0., 0., 0, "ONLY");
302	tpar[0] = 17.3;
303	tpar[1] = 5.;
304	pMC->Gsvolu("DY7 ", "BOX ", idtmed[1809], tpar, 3);
305	dx = tpar[0] - 60.;
306	dy = tpar[1] + 127.;
307	pMC->Gspos("DY7 ", 1, "DYL ", dx, dy, 0., 0, "ONLY");
308	pMC->Gspos("DY7 ", 2, "DYL ", dx, -dy, 0., 0, "ONLY");
309
310	dx = ypar[0] + ypar[3] * TMath::Tan(acc_max * kDegrad) - 60.;
311	pMC->Gspos("DYL ", 1, "DDIP", dx, 0., 0., idrotm[1806], "ONLY");
312	pMC->Gspos("DYL ", 2, "DDIP",-dx, 0., 0., idrotm[1807], "ONLY");
313	pMC->Gspos("DDIP", 1, "ALIC", 0., 0., 725.+250., 0, "MANY");
314	pMC->Gsatt("DDIP", "SEEN", 0);
315	pMC->Gsatt("DC21", "SEEN", 0);
316	pMC->Gsatt("DC22", "SEEN", 0);
317	pMC->Gsatt("DC3 ", "SEEN", 0);
318	pMC->Gsatt("DC4 ", "SEEN", 0);
319	}
320
321	//_____________________________________________________________________________
322	void AliDIPOv2::DrawDetector()
323	{
324	//
325	// Draw a shaded view of the muon absorber
326	//
327
328	AliMC* pMC = AliMC::GetMC();
329
330	// Set everything unseen
331	pMC->Gsatt("*", "seen", -1);
332	//
333	// Set ALIC mother transparent
334	pMC->Gsatt("ALIC","SEEN",0);
335	//
336	// Set the volumes visible
337	pMC->Gsatt("DDIP","seen",0);
338	pMC->Gsatt("DC1 ","seen",1);
339	pMC->Gsatt("DC2 ","seen",1);
340	pMC->Gsatt("DC3 ","seen",1);
341	pMC->Gsatt("DC4 ","seen",1);
342	pMC->Gsatt("DC11","seen",1);
343	pMC->Gsatt("DC21","seen",1);
344	pMC->Gsatt("DC12","seen",1);
345	pMC->Gsatt("DC22","seen",1);
346	pMC->Gsatt("DL1 ","seen",1);
347	pMC->Gsatt("DL2 ","seen",1);
348	pMC->Gsatt("DY1 ","seen",1);
349	pMC->Gsatt("DY2 ","seen",1);
350	pMC->Gsatt("DYL ","seen",1);
351	pMC->Gsatt("DY3 ","seen",1);
352	pMC->Gsatt("DY4 ","seen",1);
353	pMC->Gsatt("DY5 ","seen",1);
354	pMC->Gsatt("DY6 ","seen",1);
355	pMC->Gsatt("DY7 ","seen",1);
356	//
357	pMC->Gdopt("hide", "on");
358	pMC->Gdopt("shad", "on");
359	pMC->Gsatt("*", "fill", 7);
360	pMC->SetClipBox(".");
361	pMC->SetClipBox(".");
362	pMC->DefaultRange();
363	pMC->Gdraw("alic", 30, 30, 0, 17, 13.5, .019, .019);
364	pMC->Gdhead(1111, "Magnetic Dipole Version 2");
365	pMC->Gdman(16, 4, "MAN");
366	}
367
368	//_____________________________________________________________________________
369	void AliDIPOv2::CreateMaterials()
370	{
371	//
372	// Create Materials for Magnetic Dipole version 2
373	//
374
375	Int_t ISXFLD = gAlice->Field()->Integ();
376	Float_t SXMGMX = gAlice->Field()->Max();
377
378	Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 };
379	Float_t zsteel[4] = { 26.,24.,28.,14. };
380	Float_t wsteel[4] = { .715,.18,.1,.005 };
381	Float_t acoil[3] = { 26.98,1.01,16. };
382	Float_t zcoil[3] = { 13.,1.,8. };
383	Float_t wcoil[3] = { .66,.226,.114 };
384
385	Float_t epsil, stmin, deemax, tmaxfd, stemax;
386
387	// --- Define the various materials for GEANT ---
388	// Aluminum
389	AliMaterial(9, "ALUMINIUM$", 26.98, 13., 2.7, 8.9, 37.2);
390	AliMaterial(29, "ALUMINIUM$", 26.98, 13., 2.7, 8.9, 37.2);
391	AliMaterial(49, "ALUMINIUM$", 26.98, 13., 2.7, 8.9, 37.2);
392
393	// Iron
394	AliMaterial(10, "IRON$ ", 55.85, 26., 7.87, 1.76, 17.1);
395	AliMaterial(30, "IRON$ ", 55.85, 26., 7.87, 1.76, 17.1);
396	AliMaterial(50, "IRON$ ", 55.85, 26., 7.87, 1.76, 17.1);
397
398	// Air
399	AliMaterial(15, "AIR$ ", 14.61, 7.3, .001205, 30423.24, 67500);
400	AliMaterial(35, "AIR$ ", 14.61, 7.3, .001205, 30423.24, 67500);
401	AliMaterial(55, "AIR$ ", 14.61, 7.3, .001205, 30423.24, 67500);
402
403	// Vacuum
404	AliMaterial(16, "VACUUM$ ", 1e-16, 1e-16, 1e-16, 1e16, 1e16);
405	AliMaterial(36, "VACUUM$ ", 1e-16, 1e-16, 1e-16, 1e16, 1e16);
406	AliMaterial(56, "VACUUM$ ", 1e-16, 1e-16, 1e-16, 1e16, 1e16);
407
408	// stainless Steel
409	AliMixture(19, "STAINLESS STEEL$", asteel, zsteel, 7.88, 4, wsteel);
410	AliMixture(39, "STAINLESS STEEL$", asteel, zsteel, 7.88, 4, wsteel);
411	AliMixture(59, "STAINLESS STEEL$", asteel, zsteel, 7.88, 4, wsteel);
412
413	// Coil
414	AliMixture(14, "Al$", acoil, zcoil, 2.122, 3, wcoil);
415	AliMixture(34, "Al$", acoil, zcoil, 2.122, 3, wcoil);
416	AliMixture(54, "Al$", acoil, zcoil, 2.122, 3, wcoil);
417
418	// ****************
419	// Defines tracking media parameters.
420	// Les valeurs sont commentees pour laisser le defaut
421	// a GEANT (version 3-21, page CONS200), f.m.
422	epsil = .001; // Tracking precision,
423	stemax = -1.; // Maximum displacement for multiple scat
424	tmaxfd = -20.; // Maximum angle due to field deflection
425	deemax = -.3; // Maximum fractional energy loss, DLS
426	stmin = -.8;
427	// ***************
428
429	// Aluminum
430	AliMedium(1809, "ALU_C0 ", 9, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
431	AliMedium(1829, "ALU_C1 ", 29, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
432	AliMedium(1849, "ALU_C2 ", 49, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
433
434	// Iron
435	AliMedium(1810, "FE_C0 ", 10, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
436	AliMedium(1830, "FE_C1 ", 30, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
437	AliMedium(1850, "FE_C2 ", 50, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
438
439	// Air
440	AliMedium(1815, "AIR_C0 ", 15, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
441	AliMedium(1835, "AIR_C1 ", 35, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
442	AliMedium(1855, "AIR_C2 ", 55, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
443
444	// Vacuum
445	AliMedium(1816, "VA_C0 ", 16, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
446	AliMedium(1836, "VA_C1 ", 36, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
447	AliMedium(1856, "VA_C2 ", 56, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
448
449	// Steel
450	AliMedium(1819, "ST_C0 ", 19, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
451	AliMedium(1839, "ST_C1 ", 39, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
452	AliMedium(1859, "ST_C3 ", 59, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
453
454	// Coil
455	AliMedium(1814, "Coil_C1 ", 14, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
456	AliMedium(1834, "Coil_C2 ", 34, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
457	AliMedium(1854, "Coil_C3 ", 54, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
458	}
459
460	//_____________________________________________________________________________
461	void AliDIPOv2::StepManager()
462	{
463	//
464	// Called at each step in the Dipole Magnet
465	//
466	}