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

///////////////////////////////////////////////////////////////////////////////
//                                                                           //
//  Experimental Hall                                                        //
//  This class contains the description of the experimental hall             //
//                                                                           //
//Begin_Html
/*
<img src="gif/AliHALLClass.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 "AliHALL.h"
#include "AliRun.h"
#include "AliMC.h"
#include "AliConst.h"
 
ClassImp(AliHALL)
 
//_____________________________________________________________________________
AliHALL::AliHALL() : AliDetector()
{
  //
  // Default constructor for the experimental Hall
  //
}
 
//_____________________________________________________________________________
AliHALL::AliHALL(const char *name, const char *title)
       : AliDetector(name,title)
{
  //
  // Standard constructor for the experimental Hall
  //
  SetMarkerColor(7);
  SetMarkerStyle(2);
  SetMarkerSize(0.4);
}
 
//_____________________________________________________________________________
void AliHALL::BuildGeometry()
{
  //
  // Build ROOT TNode geometry. Only for Detectors
  //
}
 
//_____________________________________________________________________________
void AliHALL::CreateGeometry()
{
  //
  // Create the geometry of the exprimental hall
  //
  //Begin_Html
  /*
    <img src="gif/AliHALLTree.gif">
  */
  //End_Html
  //
  // If ZDC is not present the experimental hall includes a short
  // section of the accelerator tunnel
  //
  //Begin_Html
  /*
    <img src="gif/AliHALLSmall.gif">
  */
  //End_Html
  //
  // If ZDC is present the experimental hall includes the accelerator
  // tunnel beyond the ZDC
  //
  //Begin_Html
  /*
    <img src="gif/AliHALLLarge.gif">
  */
  //End_Html

  
  AliMC* pMC = AliMC::GetMC();
  
  Float_t r2;
  Float_t phid, phim, tpar[3], pbox[3], zfil_out, h, r, tspar[5];
  Float_t w1, dh, am, bm, dl,cm, hm, dr, dx, xl;
  Int_t idrotm[1999];
  Float_t trdpar[4], trapar[11], hullen;
  Float_t dz, phi, par[3], zfil_in;
  
  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.;
  
  
  //     RB24/26 TUNNEL FLOOR 
  
  r   = 220.;
  h   = 140.;
  phi = TMath::ACos(h / r);
  xl  = r * TMath::Sin(phi);
  dr  = 100.;
  dh  = dr * TMath::Cos(phi);
  dl  = dr * TMath::Sin(phi);
  if (gAlice->GetDetector("ZDC") == 0) {
    
    //     No ZDC 
    hullen = 250.;
  } else {
    
    //     ZDC is present 
    hullen = 6400.;
  }
  trdpar[0] = xl + dl;
  trdpar[1] = xl;
  trdpar[2] = hullen;
  trdpar[3] = dh / 2.;
  AliMatrix(idrotm[1900], 90., 0., 0., 0., 90., 90.);
  AliMatrix(idrotm[1901], 270., 0., 90., 90., 0., 0.);
  pMC->Gsvolu("HUFL", "TRD1", idtmed[1956], trdpar, 4);
  r2 = hullen + 2020.;
  pMC->Gspos("HUFL", 1, "ALIC", 70.,-100-trdpar[3] , r2, idrotm[1900], "ONLY");
  
  //     RB24/26 wall 
  
  phid     = phi * 57.296;
  tspar[0] = r;
  tspar[1] = r + dr;
  tspar[2] = hullen;
  tspar[3] = phid - 90.;
  tspar[4] = 270. - phid;
  pMC->Gsvolu("HUWA", "TUBS", idtmed[1956], tspar, 5);
  pMC->Gspos("HUWA", 1, "ALIC", 70., 40.,2020+hullen , 0, "ONLY");
  
  //     tunnelplug 
  
  tpar[0] = 0.;
  tpar[1] = 50.;
  tpar[2] = 60.;
  pMC->Gsvolu("HUP2", "TUBE", idtmed[1954], tpar, 3);
  
  //     END WALL 
  
  pbox[0] = 1200.;
  pbox[1] = 1300.;
  pbox[2] = 60.;
  pMC->Gsvolu("HEW1", "BOX ", idtmed[1956], pbox, 3);
  pMC->Gspos("HUP2", 1, "HEW1", 0.,-404., 0.,   0, "ONLY");
  pMC->Gspos("HEW1", 1, "ALIC", 0., 404., 1960, 0, "ONLY");
  
  //     hall floor 
  
  phid      = 16.197;
  trdpar[0] = 700.;
  trdpar[1] = TMath::Tan(phid * kDegrad) * 190. + 700.;
  trdpar[2] = 550.;
  trdpar[3] = 95.;
  pMC->Gsvolu("HHF1", "TRD1", idtmed[1956], trdpar, 4);
  pMC->Gspos("HHF1", 1, "ALIC", 0., -801., 1350., idrotm[1900], "ONLY");
  pMC->Gspos("HHF1", 2, "ALIC", 0., -801.,-1350., idrotm[1900], "ONLY");
  
  //     hall side walls 
  
  trapar[0] = 550.;
  trapar[1] = 0.;
  trapar[2] = 0.;
  trapar[3] = 1273.78/2;
  trapar[4] = 235.;
  trapar[5] = 50.;
  trapar[6] = TMath::ATan((trapar[4] - trapar[5]) / 2. / trapar[3]) * kRaddeg;
  trapar[7] = trapar[3];
  trapar[8] = trapar[4];
  trapar[9] = trapar[5];
  trapar[10] = trapar[6];
  dx = trapar[4] * 1.5 + 700. - trapar[5] * .5;
  pMC->Gsvolu("HHW1", "TRAP", idtmed[1956], trapar, 11);
  pMC->Gspos("HHW1", 1, "ALIC", dx, -896+trapar[3],  1350., 0, "ONLY");
  pMC->Gspos("HHW1", 2, "ALIC",-dx, -896+trapar[3],  1350., idrotm[1901], "ONLY");
  pMC->Gspos("HHW1", 3, "ALIC", dx, -896+trapar[3], -1350., 0, "ONLY");
  pMC->Gspos("HHW1", 4, "ALIC",-dx, -896+trapar[3], -1350., idrotm[1901], "ONLY");
  pbox[0] = 50.;
  pbox[1] = (500. - (trapar[3] * 2. - 896.)) / 2.;
  pbox[2] = 1900.;
  pMC->Gsvolu("HBW1", "BOX ", idtmed[1956], pbox, 3);
  pMC->Gspos("HBW1", 1, "ALIC",  1120., 500-pbox[1], 0., 0, "ONLY");
  pMC->Gspos("HBW1", 2, "ALIC", -1120., 500-pbox[1], 0., 0, "ONLY");
  
  //     slanted wall close to L3 magnet 
  
  phim = 45.;
  hm   = 790.;
  //rm   = hm / TMath::Cos(phim / 2. * kDegrad);
  am   = hm * TMath::Tan(phim / 2. * kDegrad);
  bm   = (hm + 76.) / hm * am;
  cm   = bm * 2. / TMath::Sqrt(2.);
  trapar[0] = 800.;
  trapar[1] = 0.;
  trapar[2] = 0.;
  trapar[3] = (1273.78 - cm) / 2.;
  trapar[4] = 235. - cm * TMath::Tan(phid * kDegrad) / 2.;
  trapar[5] = 50.;
  trapar[6] = TMath::ATan((trapar[4] - trapar[5]) / 2. / trapar[3]) * kRaddeg;
  trapar[7] = trapar[3];
  trapar[8] = trapar[4];
  trapar[9] = trapar[5];
  trapar[10] = trapar[6];
  w1 = trapar[4];
  dx = cm*TMath::Tan(phid * kDegrad) + 700. + trapar[4] * 1.5 - trapar[5] * .5;
  pMC->Gsvolu("HHW2", "TRAP", idtmed[1956], trapar, 11);
  r2 = cm - 896. + trapar[3];
  pMC->Gspos("HHW2", 1, "ALIC", dx, r2, 0., 0, "ONLY");
  pMC->Gspos("HHW2", 2, "ALIC",-dx, r2, 0., idrotm[1901], "ONLY");
  trapar[3]  = cm / 2.;
  trapar[4]  = w1 + cm / 2.;
  trapar[5]  = w1;
  trapar[6]  = TMath::ATan(.5) * kRaddeg;
  trapar[7]  = trapar[3];
  trapar[8]  = trapar[4];
  trapar[9]  = trapar[5];
  trapar[10] = trapar[6];
  dx = 1170. - trapar[4] * .5 - trapar[5] * .5;
  pMC->Gsvolu("HHW3", "TRAP", idtmed[1956], trapar, 11);
  r2 = trapar[3] - 896.;
  pMC->Gspos("HHW3", 1, "ALIC", dx, r2, 0., 0, "ONLY");
  pMC->Gspos("HHW3", 2, "ALIC",-dx, r2, 0., idrotm[1901], "ONLY");
  

  tspar[0] = 1070.;
  tspar[1] = 1170.;
  tspar[2] = 1900.;
  tspar[3] = 0.;
  tspar[4] = 180.;
  pMC->Gsvolu("HHC1", "TUBS", idtmed[1956], tspar, 5);
  pMC->Gspos("HHC1", 1, "ALIC", 0., 500., 0., 0, "ONLY");
  trdpar[0] = 1170 - trapar[4] * 2.;
  trdpar[1] = trdpar[0] + TMath::Tan(phim * kDegrad) * 76.;
  trdpar[2] = 800.;
  trdpar[3] = 38.;
  pMC->Gsvolu("HHF2", "TRD1", idtmed[1956], trdpar, 4);
  pMC->Gspos("HHF2", 1, "ALIC", 0., -858., 0., idrotm[1900], "ONLY");
  
  //     pillars for working platform 
  
  pbox[0] = 40.;
  pbox[1] = 120.;
  pbox[2] = 550.;
  pMC->Gsvolu("HPIL", "BOX ", idtmed[1956], pbox, 3);
  pMC->Gspos("HPIL", 1, "ALIC", 165.,-706+pbox[1] , 1350., 0, "ONLY");
  pMC->Gspos("HPIL", 2, "ALIC",-165.,-706+pbox[1] , 1350., 0, "ONLY");
  
  //     concrete beam shield 
  
  pbox[0] = 402.5;
  pbox[1] = 260.;
  pbox[2] = 120.;
  pMC->Gsvolu("HMBS", "BOX ", idtmed[1956], pbox, 3);
  pbox[0] = 85.;
  pbox[1] = 100.;
  pMC->Gsvolu("HBBS", "BOX ", idtmed[1956], pbox, 3);
  pMC->Gspos("HBBS", 1, "HMBS", -157.5, 0., 0., 0, "ONLY");
  pbox[0] = 40.;
  pbox[1] = 130.;
  pMC->Gsvolu("HPBS", "BOX ", idtmed[1956], pbox, 3);
  pMC->Gspos("HPBS", 1, "HMBS", 202.5,  30.,    0., 0, "ONLY");
  pMC->Gspos("HMBS", 1, "ALIC", 157.5, -50., -820., 0, "ONLY");
  
  //       MUON FILTER 
  par[0] = 30.;
  par[1] = 310.;
  par[2] = (zfil_out - zfil_in) / 2.;
  pMC->Gsvolu("HXFI", "TUBE", idtmed[1949], par, 3);
  dz = (zfil_in + zfil_out) / 2.;
  par[2] -= 10.;
  pMC->Gsvolu("HXII", "TUBE", idtmed[1909], par, 3);
  pMC->Gspos("HXII", 1, "HXFI", 0., 0., 0., 0, "ONLY");
  pMC->Gspos("HXFI", 1, "ALIC", 0., 0., dz, 0, "ONLY");
}

//_____________________________________________________________________________
void AliHALL::CreateMaterials()
{
  //
  // Create materials for the experimental hall
  //
  

  Int_t   ISXFLD = gAlice->Field()->Integ();
  Float_t SXMGMX = gAlice->Field()->Max();
  
  Float_t aconc[10] = { 1.,12.01,15.994,22.99,24.305,26.98,28.086,39.1,40.08,55.85 };
  Float_t zconc[10] = { 1.,6.,8.,11.,12.,13.,14.,19.,20.,26. };
  Float_t wconc[10] = { .01,.001,.529107,.016,.002,.033872,.337021,.013,.044,.014 };
  
  Float_t epsil, stmin, deemax, tmaxfd, stemax;

  //     FOR CONCRETE 
  
  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);
  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);
  AliMixture(17, "CONCRETE$", aconc, zconc, 2.35, 10, wconc);
  AliMixture(37, "CONCRETE$", aconc, zconc, 2.35, 10, wconc);
  AliMixture(57, "CONCRETE$", aconc, zconc, 2.35, 10, wconc);
  
  // **************** 
  //     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;
  // *************** 
  
  //     IRON 
  
  AliMedium(1910, "FE_C0             ", 10, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
  AliMedium(1930, "FE_C1             ", 30, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
  AliMedium(1950, "FE_C2             ", 50, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
  
  //    Air 
  
  AliMedium(1915, "AIR_C0           ", 15, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
  AliMedium(1935, "AIR_C1           ", 35, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
  AliMedium(1955, "AIR_C2           ", 55, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
  
  //    Concrete 
  
  AliMedium(1917, "CC_C0            ", 17, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
  AliMedium(1937, "CC_C1            ", 37, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
  AliMedium(1957, "CC_C2            ", 57, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
}

//_____________________________________________________________________________
void AliHALL::Init()
{
  //
  // Initialise the HALL after it has been built
  //
  Int_t i;
  //
  printf("\n");
  for(i=0;i<35;i++) printf("*");
  printf(" HALL_INIT ");
  for(i=0;i<35;i++) printf("*");
  printf("\n");
  //
  // Here the HALL initialisation code (if any!)
  for(i=0;i<80;i++) printf("*");
  printf("\n");
}

//_____________________________________________________________________________
void AliHALL::DrawDetector()
{
  //
  // Draw a shaded view of Experimental Hall
  //

  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("HUFL","seen",1);
  pMC->Gsatt("HUWA","seen",1);
  pMC->Gsatt("HUP2","seen",1);
  pMC->Gsatt("HEW1","seen",1);
  pMC->Gsatt("HHF1","seen",1);
  pMC->Gsatt("HHW1","seen",1);
  pMC->Gsatt("HBW1","seen",1);
  pMC->Gsatt("HHW2","seen",1);
  pMC->Gsatt("HHW3","seen",1);
  pMC->Gsatt("HHC1","seen",1);
  pMC->Gsatt("HHF2","seen",1);
  pMC->Gsatt("HPIL","seen",1);
  pMC->Gsatt("HMBS","seen",1);
  pMC->Gsatt("HBBS","seen",1);
  pMC->Gsatt("HPBS","seen",1);
  pMC->Gsatt("HXFI","seen",1);
  pMC->Gsatt("HXII","seen",1);
  //
  pMC->Gdopt("hide", "on");
  pMC->Gdopt("shad", "on");
  pMC->Gsatt("*", "fill", 7);
  pMC->SetClipBox(".");
  if (gAlice->GetDetector("ZDC") == 0) {
    //
    // ZDC is not present
    //
    pMC->SetClipBox("*", 0, 3000, -3000, 3000, -6000, 6000);
    pMC->DefaultRange();
    pMC->Gdraw("alic", 40, 30, 0, 12, 7.5, .005, .005);
  } else {
    //
    // ZDC is present
    //
    pMC->SetClipBox("*", 0, 2000, -2000, 2000, -2000, 16000);
    pMC->DefaultRange();
    pMC->Gdraw("alic", 40, 30, 0, 17.5, 10, .0019, .0019);
  }
  pMC->Gdhead(1111, "Experimental Hall");
  pMC->Gdman(18, 2, "MAN");
}
 
//_____________________________________________________________________________
void AliHALL::StepManager()
{
  //
  // Called at every step in the HALL
  //
}
Commit	Line	Data
fe4da5cc	1	///////////////////////////////////////////////////////////////////////////////
	2	// //
	3	// Experimental Hall //
	4	// This class contains the description of the experimental hall //
	5	// //
	6	//Begin_Html
	7	/*
	8	<img src="gif/AliHALLClass.gif">
	9	</pre>
	10	<br clear=left>
	11	<font size=+2 color=red>
	12	<p>The responsible person for this module is
	13	<a href="mailto:andreas.morsch@cern.ch">Andreas Morsch</a>.
	14	</font>
	15	<pre>
	16	*/
	17	//End_Html
	18	// //
	19	// //
	20	///////////////////////////////////////////////////////////////////////////////
	21
	22	#include "AliHALL.h"
	23	#include "AliRun.h"
	24	#include "AliMC.h"
	25	#include "AliConst.h"
	26
	27	ClassImp(AliHALL)
	28
	29	//_____________________________________________________________________________
	30	AliHALL::AliHALL() : AliDetector()
	31	{
	32	//
	33	// Default constructor for the experimental Hall
	34	//
	35	}
	36
	37	//_____________________________________________________________________________
	38	AliHALL::AliHALL(const char name, const char title)
	39	: AliDetector(name,title)
	40	{
	41	//
	42	// Standard constructor for the experimental Hall
	43	//
	44	SetMarkerColor(7);
	45	SetMarkerStyle(2);
	46	SetMarkerSize(0.4);
	47	}
	48
	49	//_____________________________________________________________________________
	50	void AliHALL::BuildGeometry()
	51	{
	52	//
	53	// Build ROOT TNode geometry. Only for Detectors
	54	//
	55	}
	56
	57	//_____________________________________________________________________________
	58	void AliHALL::CreateGeometry()
	59	{
	60	//
	61	// Create the geometry of the exprimental hall
	62	//
	63	//Begin_Html
	64	/*
65	<img src="gif/AliHALLTree.gif">
66	*/
67	//End_Html
68	//
69	// If ZDC is not present the experimental hall includes a short
70	// section of the accelerator tunnel
71	//
72	//Begin_Html
73	/*
74	<img src="gif/AliHALLSmall.gif">
75	*/
76	//End_Html
77	//
78	// If ZDC is present the experimental hall includes the accelerator
79	// tunnel beyond the ZDC
80	//
81	//Begin_Html
82	/*
83	<img src="gif/AliHALLLarge.gif">
84	*/
85	//End_Html
86
87
88	AliMC* pMC = AliMC::GetMC();
89
90	Float_t r2;
91	Float_t phid, phim, tpar[3], pbox[3], zfil_out, h, r, tspar[5];
92	Float_t w1, dh, am, bm, dl,cm, hm, dr, dx, xl;
93	Int_t idrotm[1999];
94	Float_t trdpar[4], trapar[11], hullen;
95	Float_t dz, phi, par[3], zfil_in;
96
97	Int_t *idtmed = gAlice->Idtmed();
98
99	//abs_d = 90.; // DEFINES DRIFT LENGTH
100	//z_nose = 102.;
101	//z_cone = 285.;
102	//theta1 = 24.; // 1. angle defining the front absorber
103	//theta2 = 5.; // 2. angle defining the front absorbe
104	//acc_max = 9.; // ANGLE POLAIRE MAXIMUM
105	//acc_min = 2.; // ANGLE POLAIRE MINIMUM DE DETECTION
106	//abs_l = 503.;
107	//d_steel = 1.; // THICKNESS OF STEEL SUPPORT
108	//d_poly = 7.5;
109	//d_pb = 2.5;
110	//abs_cc = 315.; // DEFINES LENGTH OF CARBON
111	//abs_c = 358.;
112	//abs_s = 150.; // DEFINES W-SHIELD LENGTH
113	//abs_n = 80.; // START OF NOSE
114	//r_abs = 4.;
115	//r_pb = .1;
116	//epsilon = .01;
117	//theta_r = 3.;
118	//d_rear = 35.;
119	//theta_open = .75;
120
121	//z_l3 = 700.;
122	//zmag_in = 725.;
123	//zmag_out = 1225.;
124	zfil_in = 1471.;
125	zfil_out = 1591.;
126	//zcon_in = 1900.;
127	//zcon_out = 2e3;
128	//zcone_e = 859.0875;
129	//spec_l = 1800.;
130	//zplug_in = 1780.;
131	//zplug_out= 1900.;
132
133	// Chamber position
134	// CZ1=515.5
135	//cz1 = 511.;
136	//cz2 = 686.;
137	//cz3 = 971.;
138	//cz4 = 1245.;
139	//cz5 = 1445.;
140	//cz6 = 1610.;
141	//cz7 = 1710.;
142
143
144	// RB24/26 TUNNEL FLOOR
145
146	r = 220.;
147	h = 140.;
148	phi = TMath::ACos(h / r);
149	xl = r * TMath::Sin(phi);
150	dr = 100.;
151	dh = dr * TMath::Cos(phi);
152	dl = dr * TMath::Sin(phi);
153	if (gAlice->GetDetector("ZDC") == 0) {
154
155	// No ZDC
156	hullen = 250.;
157	} else {
158
159	// ZDC is present
160	hullen = 6400.;
161	}
162	trdpar[0] = xl + dl;
163	trdpar[1] = xl;
164	trdpar[2] = hullen;
165	trdpar[3] = dh / 2.;
166	AliMatrix(idrotm[1900], 90., 0., 0., 0., 90., 90.);
167	AliMatrix(idrotm[1901], 270., 0., 90., 90., 0., 0.);
168	pMC->Gsvolu("HUFL", "TRD1", idtmed[1956], trdpar, 4);
169	r2 = hullen + 2020.;
170	pMC->Gspos("HUFL", 1, "ALIC", 70.,-100-trdpar[3] , r2, idrotm[1900], "ONLY");
171
172	// RB24/26 wall
173
174	phid = phi * 57.296;
175	tspar[0] = r;
176	tspar[1] = r + dr;
177	tspar[2] = hullen;
178	tspar[3] = phid - 90.;
179	tspar[4] = 270. - phid;
180	pMC->Gsvolu("HUWA", "TUBS", idtmed[1956], tspar, 5);
181	pMC->Gspos("HUWA", 1, "ALIC", 70., 40.,2020+hullen , 0, "ONLY");
182
183	// tunnelplug
184
185	tpar[0] = 0.;
186	tpar[1] = 50.;
187	tpar[2] = 60.;
188	pMC->Gsvolu("HUP2", "TUBE", idtmed[1954], tpar, 3);
189
190	// END WALL
191
192	pbox[0] = 1200.;
193	pbox[1] = 1300.;
194	pbox[2] = 60.;
195	pMC->Gsvolu("HEW1", "BOX ", idtmed[1956], pbox, 3);
196	pMC->Gspos("HUP2", 1, "HEW1", 0.,-404., 0., 0, "ONLY");
197	pMC->Gspos("HEW1", 1, "ALIC", 0., 404., 1960, 0, "ONLY");
198
199	// hall floor
200
201	phid = 16.197;
202	trdpar[0] = 700.;
203	trdpar[1] = TMath::Tan(phid * kDegrad) * 190. + 700.;
204	trdpar[2] = 550.;
205	trdpar[3] = 95.;
206	pMC->Gsvolu("HHF1", "TRD1", idtmed[1956], trdpar, 4);
207	pMC->Gspos("HHF1", 1, "ALIC", 0., -801., 1350., idrotm[1900], "ONLY");
208	pMC->Gspos("HHF1", 2, "ALIC", 0., -801.,-1350., idrotm[1900], "ONLY");
209
210	// hall side walls
211
212	trapar[0] = 550.;
213	trapar[1] = 0.;
214	trapar[2] = 0.;
215	trapar[3] = 1273.78/2;
216	trapar[4] = 235.;
217	trapar[5] = 50.;
218	trapar[6] = TMath::ATan((trapar[4] - trapar[5]) / 2. / trapar[3]) * kRaddeg;
219	trapar[7] = trapar[3];
220	trapar[8] = trapar[4];
221	trapar[9] = trapar[5];
222	trapar[10] = trapar[6];
223	dx = trapar[4] * 1.5 + 700. - trapar[5] * .5;
224	pMC->Gsvolu("HHW1", "TRAP", idtmed[1956], trapar, 11);
225	pMC->Gspos("HHW1", 1, "ALIC", dx, -896+trapar[3], 1350., 0, "ONLY");
226	pMC->Gspos("HHW1", 2, "ALIC",-dx, -896+trapar[3], 1350., idrotm[1901], "ONLY");
227	pMC->Gspos("HHW1", 3, "ALIC", dx, -896+trapar[3], -1350., 0, "ONLY");
228	pMC->Gspos("HHW1", 4, "ALIC",-dx, -896+trapar[3], -1350., idrotm[1901], "ONLY");
229	pbox[0] = 50.;
230	pbox[1] = (500. - (trapar[3] * 2. - 896.)) / 2.;
231	pbox[2] = 1900.;
232	pMC->Gsvolu("HBW1", "BOX ", idtmed[1956], pbox, 3);
233	pMC->Gspos("HBW1", 1, "ALIC", 1120., 500-pbox[1], 0., 0, "ONLY");
234	pMC->Gspos("HBW1", 2, "ALIC", -1120., 500-pbox[1], 0., 0, "ONLY");
235
236	// slanted wall close to L3 magnet
237
238	phim = 45.;
239	hm = 790.;
240	//rm = hm / TMath::Cos(phim / 2. * kDegrad);
241	am = hm * TMath::Tan(phim / 2. * kDegrad);
242	bm = (hm + 76.) / hm * am;
243	cm = bm * 2. / TMath::Sqrt(2.);
244	trapar[0] = 800.;
245	trapar[1] = 0.;
246	trapar[2] = 0.;
247	trapar[3] = (1273.78 - cm) / 2.;
248	trapar[4] = 235. - cm * TMath::Tan(phid * kDegrad) / 2.;
249	trapar[5] = 50.;
250	trapar[6] = TMath::ATan((trapar[4] - trapar[5]) / 2. / trapar[3]) * kRaddeg;
251	trapar[7] = trapar[3];
252	trapar[8] = trapar[4];
253	trapar[9] = trapar[5];
254	trapar[10] = trapar[6];
255	w1 = trapar[4];
256	dx = cmTMath::Tan(phid kDegrad) + 700. + trapar[4] * 1.5 - trapar[5] * .5;
257	pMC->Gsvolu("HHW2", "TRAP", idtmed[1956], trapar, 11);
258	r2 = cm - 896. + trapar[3];
259	pMC->Gspos("HHW2", 1, "ALIC", dx, r2, 0., 0, "ONLY");
260	pMC->Gspos("HHW2", 2, "ALIC",-dx, r2, 0., idrotm[1901], "ONLY");
261	trapar[3] = cm / 2.;
262	trapar[4] = w1 + cm / 2.;
263	trapar[5] = w1;
264	trapar[6] = TMath::ATan(.5) * kRaddeg;
265	trapar[7] = trapar[3];
266	trapar[8] = trapar[4];
267	trapar[9] = trapar[5];
268	trapar[10] = trapar[6];
269	dx = 1170. - trapar[4] * .5 - trapar[5] * .5;
270	pMC->Gsvolu("HHW3", "TRAP", idtmed[1956], trapar, 11);
271	r2 = trapar[3] - 896.;
272	pMC->Gspos("HHW3", 1, "ALIC", dx, r2, 0., 0, "ONLY");
273	pMC->Gspos("HHW3", 2, "ALIC",-dx, r2, 0., idrotm[1901], "ONLY");
274
275
276	tspar[0] = 1070.;
277	tspar[1] = 1170.;
278	tspar[2] = 1900.;
279	tspar[3] = 0.;
280	tspar[4] = 180.;
281	pMC->Gsvolu("HHC1", "TUBS", idtmed[1956], tspar, 5);
282	pMC->Gspos("HHC1", 1, "ALIC", 0., 500., 0., 0, "ONLY");
283	trdpar[0] = 1170 - trapar[4] * 2.;
284	trdpar[1] = trdpar[0] + TMath::Tan(phim * kDegrad) * 76.;
285	trdpar[2] = 800.;
286	trdpar[3] = 38.;
287	pMC->Gsvolu("HHF2", "TRD1", idtmed[1956], trdpar, 4);
288	pMC->Gspos("HHF2", 1, "ALIC", 0., -858., 0., idrotm[1900], "ONLY");
289
290	// pillars for working platform
291
292	pbox[0] = 40.;
293	pbox[1] = 120.;
294	pbox[2] = 550.;
295	pMC->Gsvolu("HPIL", "BOX ", idtmed[1956], pbox, 3);
296	pMC->Gspos("HPIL", 1, "ALIC", 165.,-706+pbox[1] , 1350., 0, "ONLY");
297	pMC->Gspos("HPIL", 2, "ALIC",-165.,-706+pbox[1] , 1350., 0, "ONLY");
298
299	// concrete beam shield
300
301	pbox[0] = 402.5;
302	pbox[1] = 260.;
303	pbox[2] = 120.;
304	pMC->Gsvolu("HMBS", "BOX ", idtmed[1956], pbox, 3);
305	pbox[0] = 85.;
306	pbox[1] = 100.;
307	pMC->Gsvolu("HBBS", "BOX ", idtmed[1956], pbox, 3);
308	pMC->Gspos("HBBS", 1, "HMBS", -157.5, 0., 0., 0, "ONLY");
309	pbox[0] = 40.;
310	pbox[1] = 130.;
311	pMC->Gsvolu("HPBS", "BOX ", idtmed[1956], pbox, 3);
312	pMC->Gspos("HPBS", 1, "HMBS", 202.5, 30., 0., 0, "ONLY");
313	pMC->Gspos("HMBS", 1, "ALIC", 157.5, -50., -820., 0, "ONLY");
314
315	// MUON FILTER
316	par[0] = 30.;
317	par[1] = 310.;
318	par[2] = (zfil_out - zfil_in) / 2.;
319	pMC->Gsvolu("HXFI", "TUBE", idtmed[1949], par, 3);
320	dz = (zfil_in + zfil_out) / 2.;
321	par[2] -= 10.;
322	pMC->Gsvolu("HXII", "TUBE", idtmed[1909], par, 3);
323	pMC->Gspos("HXII", 1, "HXFI", 0., 0., 0., 0, "ONLY");
324	pMC->Gspos("HXFI", 1, "ALIC", 0., 0., dz, 0, "ONLY");
325	}
326
327	//_____________________________________________________________________________
328	void AliHALL::CreateMaterials()
329	{
330	//
331	// Create materials for the experimental hall
332	//
333
334
335	Int_t ISXFLD = gAlice->Field()->Integ();
336	Float_t SXMGMX = gAlice->Field()->Max();
337
338	Float_t aconc[10] = { 1.,12.01,15.994,22.99,24.305,26.98,28.086,39.1,40.08,55.85 };
339	Float_t zconc[10] = { 1.,6.,8.,11.,12.,13.,14.,19.,20.,26. };
340	Float_t wconc[10] = { .01,.001,.529107,.016,.002,.033872,.337021,.013,.044,.014 };
341
342	Float_t epsil, stmin, deemax, tmaxfd, stemax;
343
344	// FOR CONCRETE
345
346	AliMaterial(10, "IRON$ ", 55.85, 26., 7.87, 1.76, 17.1);
347	AliMaterial(30, "IRON$ ", 55.85, 26., 7.87, 1.76, 17.1);
348	AliMaterial(50, "IRON$ ", 55.85, 26., 7.87, 1.76, 17.1);
349	AliMaterial(15, "AIR$ ", 14.61, 7.3, .001205, 30423.24, 67500);
350	AliMaterial(35, "AIR$ ", 14.61, 7.3, .001205, 30423.24, 67500);
351	AliMaterial(55, "AIR$ ", 14.61, 7.3, .001205, 30423.24, 67500);
352	AliMixture(17, "CONCRETE$", aconc, zconc, 2.35, 10, wconc);
353	AliMixture(37, "CONCRETE$", aconc, zconc, 2.35, 10, wconc);
354	AliMixture(57, "CONCRETE$", aconc, zconc, 2.35, 10, wconc);
355
356	// ****************
357	// Defines tracking media parameters.
358	// Les valeurs sont commentees pour laisser le defaut
359	// a GEANT (version 3-21, page CONS200), f.m.
360	epsil = .001; // Tracking precision,
361	stemax = -1.; // Maximum displacement for multiple scat
362	tmaxfd = -20.; // Maximum angle due to field deflection
363	deemax = -.3; // Maximum fractional energy loss, DLS
364	stmin = -.8;
365	// ***************
366
367	// IRON
368
369	AliMedium(1910, "FE_C0 ", 10, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
370	AliMedium(1930, "FE_C1 ", 30, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
371	AliMedium(1950, "FE_C2 ", 50, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
372
373	// Air
374
375	AliMedium(1915, "AIR_C0 ", 15, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
376	AliMedium(1935, "AIR_C1 ", 35, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
377	AliMedium(1955, "AIR_C2 ", 55, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
378
379	// Concrete
380
381	AliMedium(1917, "CC_C0 ", 17, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
382	AliMedium(1937, "CC_C1 ", 37, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
383	AliMedium(1957, "CC_C2 ", 57, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
384	}
385
386	//_____________________________________________________________________________
387	void AliHALL::Init()
388	{
389	//
390	// Initialise the HALL after it has been built
391	//
392	Int_t i;
393	//
394	printf("\n");
395	for(i=0;i<35;i++) printf("*");
396	printf(" HALL_INIT ");
397	for(i=0;i<35;i++) printf("*");
398	printf("\n");
399	//
400	// Here the HALL initialisation code (if any!)
401	for(i=0;i<80;i++) printf("*");
402	printf("\n");
403	}
404
405	//_____________________________________________________________________________
406	void AliHALL::DrawDetector()
407	{
408	//
409	// Draw a shaded view of Experimental Hall
410	//
411
412	AliMC* pMC = AliMC::GetMC();
413
414	// Set everything unseen
415	pMC->Gsatt("*", "seen", -1);
416	//
417	// Set ALIC mother transparent
418	pMC->Gsatt("ALIC","SEEN",0);
419	//
420	// Set the volumes visible
421	pMC->Gsatt("HUFL","seen",1);
422	pMC->Gsatt("HUWA","seen",1);
423	pMC->Gsatt("HUP2","seen",1);
424	pMC->Gsatt("HEW1","seen",1);
425	pMC->Gsatt("HHF1","seen",1);
426	pMC->Gsatt("HHW1","seen",1);
427	pMC->Gsatt("HBW1","seen",1);
428	pMC->Gsatt("HHW2","seen",1);
429	pMC->Gsatt("HHW3","seen",1);
430	pMC->Gsatt("HHC1","seen",1);
431	pMC->Gsatt("HHF2","seen",1);
432	pMC->Gsatt("HPIL","seen",1);
433	pMC->Gsatt("HMBS","seen",1);
434	pMC->Gsatt("HBBS","seen",1);
435	pMC->Gsatt("HPBS","seen",1);
436	pMC->Gsatt("HXFI","seen",1);
437	pMC->Gsatt("HXII","seen",1);
438	//
439	pMC->Gdopt("hide", "on");
440	pMC->Gdopt("shad", "on");
441	pMC->Gsatt("*", "fill", 7);
442	pMC->SetClipBox(".");
443	if (gAlice->GetDetector("ZDC") == 0) {
444	//
445	// ZDC is not present
446	//
447	pMC->SetClipBox("*", 0, 3000, -3000, 3000, -6000, 6000);
448	pMC->DefaultRange();
449	pMC->Gdraw("alic", 40, 30, 0, 12, 7.5, .005, .005);
450	} else {
451	//
452	// ZDC is present
453	//
454	pMC->SetClipBox("*", 0, 2000, -2000, 2000, -2000, 16000);
455	pMC->DefaultRange();
456	pMC->Gdraw("alic", 40, 30, 0, 17.5, 10, .0019, .0019);
457	}
458	pMC->Gdhead(1111, "Experimental Hall");
459	pMC->Gdman(18, 2, "MAN");
460	}
461
462	//_____________________________________________________________________________
463	void AliHALL::StepManager()
464	{
465	//
466	// Called at every step in the HALL
467	//
468	}