[u/mrichter/AliRoot.git] / STRUCT / AliHALL.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 1.8  2000/06/11 12:35:41  morsch
Coding rule violations corrected

Revision 1.7  2000/01/12 15:33:28  morsch
Muon filter removed

Revision 1.6  1999/09/29 09:24:30  fca
Introduction of the Copyright and cvs Log

*/

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

  
  Float_t r2;
  Float_t phid, phim, tpar[3], pbox[3], 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 phi;
  
  Int_t *idtmed = fIdtmed->GetArray()-1899;
  
  //     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->GetModule("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.);
  gMC->Gsvolu("HUFL", "TRD1", idtmed[1956], trdpar, 4);
  r2 = hullen + 2020.;
  gMC->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;
  gMC->Gsvolu("HUWA", "TUBS", idtmed[1956], tspar, 5);
  gMC->Gspos("HUWA", 1, "ALIC", 70., 40.,2020+hullen , 0, "ONLY");
  
  //     tunnelplug 
  
  tpar[0] = 0.;
  tpar[1] = 50.;
  tpar[2] = 60.;
  gMC->Gsvolu("HUP2", "TUBE", idtmed[1954], tpar, 3);
  
  //     END WALL 
  
  pbox[0] = 1200.;
  pbox[1] = 1300.;
  pbox[2] = 60.;
  gMC->Gsvolu("HEW1", "BOX ", idtmed[1956], pbox, 3);
  gMC->Gspos("HUP2", 1, "HEW1", 0.,-404., 0.,   0, "ONLY");
  gMC->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.;
  gMC->Gsvolu("HHF1", "TRD1", idtmed[1956], trdpar, 4);
  gMC->Gspos("HHF1", 1, "ALIC", 0., -801., 1350., idrotm[1900], "ONLY");
  gMC->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;
  gMC->Gsvolu("HHW1", "TRAP", idtmed[1956], trapar, 11);
  gMC->Gspos("HHW1", 1, "ALIC", dx, -896+trapar[3],  1350., 0, "ONLY");
  gMC->Gspos("HHW1", 2, "ALIC",-dx, -896+trapar[3],  1350., idrotm[1901], "ONLY");
  gMC->Gspos("HHW1", 3, "ALIC", dx, -896+trapar[3], -1350., 0, "ONLY");
  gMC->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.;
  gMC->Gsvolu("HBW1", "BOX ", idtmed[1956], pbox, 3);
  gMC->Gspos("HBW1", 1, "ALIC",  1120., 500-pbox[1], 0., 0, "ONLY");
  gMC->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;
  gMC->Gsvolu("HHW2", "TRAP", idtmed[1956], trapar, 11);
  r2 = cm - 896. + trapar[3];
  gMC->Gspos("HHW2", 1, "ALIC", dx, r2, 0., 0, "ONLY");
  gMC->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;
  gMC->Gsvolu("HHW3", "TRAP", idtmed[1956], trapar, 11);
  r2 = trapar[3] - 896.;
  gMC->Gspos("HHW3", 1, "ALIC", dx, r2, 0., 0, "ONLY");
  gMC->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.;
  gMC->Gsvolu("HHC1", "TUBS", idtmed[1956], tspar, 5);
  gMC->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.;
  gMC->Gsvolu("HHF2", "TRD1", idtmed[1956], trdpar, 4);
  gMC->Gspos("HHF2", 1, "ALIC", 0., -858., 0., idrotm[1900], "ONLY");
  
  //     pillars for working platform 
  
  pbox[0] = 40.;
  pbox[1] = 120.;
  pbox[2] = 550.;
  gMC->Gsvolu("HPIL", "BOX ", idtmed[1956], pbox, 3);
  gMC->Gspos("HPIL", 1, "ALIC", 165.,-706+pbox[1] , 1350., 0, "ONLY");
  gMC->Gspos("HPIL", 2, "ALIC",-165.,-706+pbox[1] , 1350., 0, "ONLY");
  
  //     concrete beam shield 
  
  pbox[0] = 402.5;
  pbox[1] = 260.;
  pbox[2] = 120.;
  gMC->Gsvolu("HMBS", "BOX ", idtmed[1956], pbox, 3);
  pbox[0] = 85.;
  pbox[1] = 100.;
  gMC->Gsvolu("HBBS", "BOX ", idtmed[1956], pbox, 3);
  gMC->Gspos("HBBS", 1, "HMBS", -157.5, 0., 0., 0, "ONLY");
  pbox[0] = 40.;
  pbox[1] = 130.;
  gMC->Gsvolu("HPBS", "BOX ", idtmed[1956], pbox, 3);
  gMC->Gspos("HPBS", 1, "HMBS", 202.5,  30.,    0., 0, "ONLY");
  gMC->Gspos("HMBS", 1, "ALIC", 157.5, -50., -820., 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(10, "FE_C0             ", 10, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
  AliMedium(30, "FE_C1             ", 30, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
  AliMedium(50, "FE_C2             ", 50, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
  
  //    Air 
  
  AliMedium(15, "AIR_C0           ", 15, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
  AliMedium(35, "AIR_C1           ", 35, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
  AliMedium(55, "AIR_C2           ", 55, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
  
  //    Concrete 
  
  AliMedium(17, "CC_C0            ", 17, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
  AliMedium(37, "CC_C1            ", 37, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
  AliMedium(57, "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::DrawModule()
{
  //
  // Draw a shaded view of Experimental Hall
  //

  // Set everything unseen
  gMC->Gsatt("*", "seen", -1);
  // 
  // Set ALIC mother transparent
  gMC->Gsatt("ALIC","SEEN",0);
  //
  // Set the volumes visible
  gMC->Gsatt("HUFL","seen",1);
  gMC->Gsatt("HUWA","seen",1);
  gMC->Gsatt("HUP2","seen",1);
  gMC->Gsatt("HEW1","seen",1);
  gMC->Gsatt("HHF1","seen",1);
  gMC->Gsatt("HHW1","seen",1);
  gMC->Gsatt("HBW1","seen",1);
  gMC->Gsatt("HHW2","seen",1);
  gMC->Gsatt("HHW3","seen",1);
  gMC->Gsatt("HHC1","seen",1);
  gMC->Gsatt("HHF2","seen",1);
  gMC->Gsatt("HPIL","seen",1);
  gMC->Gsatt("HMBS","seen",1);
  gMC->Gsatt("HBBS","seen",1);
  gMC->Gsatt("HPBS","seen",1);
  gMC->Gsatt("HXFI","seen",1);
  gMC->Gsatt("HXII","seen",1);
  //
  gMC->Gdopt("hide", "on");
  gMC->Gdopt("shad", "on");
  gMC->Gsatt("*", "fill", 7);
  gMC->SetClipBox(".");
  if (gAlice->GetModule("ZDC") == 0) {
    //
    // ZDC is not present
    //
    gMC->SetClipBox("*", 0, 3000, -3000, 3000, -6000, 6000);
    gMC->DefaultRange();
    gMC->Gdraw("alic", 40, 30, 0, 12, 7.5, .005, .005);
  } else {
    //
    // ZDC is present
    //
    gMC->SetClipBox("*", 0, 2000, -2000, 2000, -2000, 16000);
    gMC->DefaultRange();
    gMC->Gdraw("alic", 40, 30, 0, 17.5, 10, .0019, .0019);
  }
  gMC->Gdhead(1111, "Experimental Hall");
  gMC->Gdman(18, 2, "MAN");
}
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	$Log$
60404de7	18	Revision 1.8 2000/06/11 12:35:41 morsch
	19	Coding rule violations corrected
	20
b43eb0dc	21	Revision 1.7 2000/01/12 15:33:28 morsch
	22	Muon filter removed
	23
a2f0cfb7	24	Revision 1.6 1999/09/29 09:24:30 fca
	25	Introduction of the Copyright and cvs Log
	26
4c039060	27	*/
4c039060	28
fe4da5cc	29	///////////////////////////////////////////////////////////////////////////////
	30	// //
	31	// Experimental Hall //
	32	// This class contains the description of the experimental hall //
	33	// //
	34	//Begin_Html
	35	/*
1439f98e	36	<img src="picts/AliHALLClass.gif">
fe4da5cc	37	</pre>
	38	<br clear=left>
	39	<font size=+2 color=red>
	40	<p>The responsible person for this module is
	41	<a href="mailto:andreas.morsch@cern.ch">Andreas Morsch</a>.
	42	</font>
	43	<pre>
	44	*/
	45	//End_Html
	46	// //
	47	// //
	48	///////////////////////////////////////////////////////////////////////////////
	49
	50	#include "AliHALL.h"
	51	#include "AliRun.h"
fe4da5cc	52	#include "AliConst.h"
	53
	54	ClassImp(AliHALL)
	55
	56	//_____________________________________________________________________________
b8032157	57	AliHALL::AliHALL()
fe4da5cc	58	{
	59	//
	60	// Default constructor for the experimental Hall
	61	//
	62	}
	63
	64	//_____________________________________________________________________________
	65	AliHALL::AliHALL(const char name, const char title)
b8032157	66	: AliModule(name,title)
fe4da5cc	67	{
	68	//
	69	// Standard constructor for the experimental Hall
	70	//
	71	SetMarkerColor(7);
	72	SetMarkerStyle(2);
	73	SetMarkerSize(0.4);
	74	}
	75
fe4da5cc	76	//_____________________________________________________________________________
	77	void AliHALL::CreateGeometry()
	78	{
	79	//
	80	// Create the geometry of the exprimental hall
	81	//
	82	//Begin_Html
	83	/*
1439f98e	84	<img src="picts/AliHALLTree.gif">
fe4da5cc	85	*/
	86	//End_Html
	87	//
	88	// If ZDC is not present the experimental hall includes a short
	89	// section of the accelerator tunnel
	90	//
	91	//Begin_Html
	92	/*
1439f98e	93	<img src="picts/AliHALLSmall.gif">
fe4da5cc	94	*/
	95	//End_Html
	96	//
	97	// If ZDC is present the experimental hall includes the accelerator
	98	// tunnel beyond the ZDC
	99	//
	100	//Begin_Html
	101	/*
1439f98e	102	<img src="picts/AliHALLLarge.gif">
fe4da5cc	103	*/
	104	//End_Html
	105
	106
fe4da5cc	107	Float_t r2;
b43eb0dc	108	Float_t phid, phim, tpar[3], pbox[3], h, r, tspar[5];
fe4da5cc	109	Float_t w1, dh, am, bm, dl,cm, hm, dr, dx, xl;
	110	Int_t idrotm[1999];
	111	Float_t trdpar[4], trapar[11], hullen;
60404de7	112	Float_t phi;
fe4da5cc	113
ad51aeb0	114	Int_t *idtmed = fIdtmed->GetArray()-1899;
fe4da5cc	115
fe4da5cc	116	// RB24/26 TUNNEL FLOOR
	117
	118	r = 220.;
	119	h = 140.;
	120	phi = TMath::ACos(h / r);
	121	xl = r * TMath::Sin(phi);
	122	dr = 100.;
	123	dh = dr * TMath::Cos(phi);
	124	dl = dr * TMath::Sin(phi);
b8032157	125	if (gAlice->GetModule("ZDC") == 0) {
fe4da5cc	126
	127	// No ZDC
	128	hullen = 250.;
	129	} else {
	130
	131	// ZDC is present
	132	hullen = 6400.;
	133	}
	134	trdpar[0] = xl + dl;
	135	trdpar[1] = xl;
	136	trdpar[2] = hullen;
	137	trdpar[3] = dh / 2.;
	138	AliMatrix(idrotm[1900], 90., 0., 0., 0., 90., 90.);
	139	AliMatrix(idrotm[1901], 270., 0., 90., 90., 0., 0.);
cfce8870	140	gMC->Gsvolu("HUFL", "TRD1", idtmed[1956], trdpar, 4);
fe4da5cc	141	r2 = hullen + 2020.;
cfce8870	142	gMC->Gspos("HUFL", 1, "ALIC", 70.,-100-trdpar[3] , r2, idrotm[1900], "ONLY");
fe4da5cc	143
	144	// RB24/26 wall
	145
	146	phid = phi * 57.296;
	147	tspar[0] = r;
	148	tspar[1] = r + dr;
	149	tspar[2] = hullen;
	150	tspar[3] = phid - 90.;
	151	tspar[4] = 270. - phid;
cfce8870	152	gMC->Gsvolu("HUWA", "TUBS", idtmed[1956], tspar, 5);
cfce8870	153	gMC->Gspos("HUWA", 1, "ALIC", 70., 40.,2020+hullen , 0, "ONLY");
fe4da5cc	154
	155	// tunnelplug
	156
	157	tpar[0] = 0.;
	158	tpar[1] = 50.;
	159	tpar[2] = 60.;
cfce8870	160	gMC->Gsvolu("HUP2", "TUBE", idtmed[1954], tpar, 3);
fe4da5cc	161
	162	// END WALL
	163
	164	pbox[0] = 1200.;
	165	pbox[1] = 1300.;
	166	pbox[2] = 60.;
cfce8870	167	gMC->Gsvolu("HEW1", "BOX ", idtmed[1956], pbox, 3);
	168	gMC->Gspos("HUP2", 1, "HEW1", 0.,-404., 0., 0, "ONLY");
	169	gMC->Gspos("HEW1", 1, "ALIC", 0., 404., 1960, 0, "ONLY");
fe4da5cc	170
	171	// hall floor
	172
	173	phid = 16.197;
	174	trdpar[0] = 700.;
	175	trdpar[1] = TMath::Tan(phid * kDegrad) * 190. + 700.;
	176	trdpar[2] = 550.;
	177	trdpar[3] = 95.;
cfce8870	178	gMC->Gsvolu("HHF1", "TRD1", idtmed[1956], trdpar, 4);
	179	gMC->Gspos("HHF1", 1, "ALIC", 0., -801., 1350., idrotm[1900], "ONLY");
	180	gMC->Gspos("HHF1", 2, "ALIC", 0., -801.,-1350., idrotm[1900], "ONLY");
fe4da5cc	181
	182	// hall side walls
	183
	184	trapar[0] = 550.;
	185	trapar[1] = 0.;
	186	trapar[2] = 0.;
	187	trapar[3] = 1273.78/2;
	188	trapar[4] = 235.;
	189	trapar[5] = 50.;
	190	trapar[6] = TMath::ATan((trapar[4] - trapar[5]) / 2. / trapar[3]) * kRaddeg;
	191	trapar[7] = trapar[3];
	192	trapar[8] = trapar[4];
	193	trapar[9] = trapar[5];
	194	trapar[10] = trapar[6];
	195	dx = trapar[4] * 1.5 + 700. - trapar[5] * .5;
cfce8870	196	gMC->Gsvolu("HHW1", "TRAP", idtmed[1956], trapar, 11);
	197	gMC->Gspos("HHW1", 1, "ALIC", dx, -896+trapar[3], 1350., 0, "ONLY");
	198	gMC->Gspos("HHW1", 2, "ALIC",-dx, -896+trapar[3], 1350., idrotm[1901], "ONLY");
	199	gMC->Gspos("HHW1", 3, "ALIC", dx, -896+trapar[3], -1350., 0, "ONLY");
	200	gMC->Gspos("HHW1", 4, "ALIC",-dx, -896+trapar[3], -1350., idrotm[1901], "ONLY");
fe4da5cc	201	pbox[0] = 50.;
	202	pbox[1] = (500. - (trapar[3] * 2. - 896.)) / 2.;
	203	pbox[2] = 1900.;
cfce8870	204	gMC->Gsvolu("HBW1", "BOX ", idtmed[1956], pbox, 3);
	205	gMC->Gspos("HBW1", 1, "ALIC", 1120., 500-pbox[1], 0., 0, "ONLY");
	206	gMC->Gspos("HBW1", 2, "ALIC", -1120., 500-pbox[1], 0., 0, "ONLY");
fe4da5cc	207
	208	// slanted wall close to L3 magnet
	209
	210	phim = 45.;
	211	hm = 790.;
	212	//rm = hm / TMath::Cos(phim / 2. * kDegrad);
	213	am = hm * TMath::Tan(phim / 2. * kDegrad);
	214	bm = (hm + 76.) / hm * am;
	215	cm = bm * 2. / TMath::Sqrt(2.);
	216	trapar[0] = 800.;
	217	trapar[1] = 0.;
	218	trapar[2] = 0.;
	219	trapar[3] = (1273.78 - cm) / 2.;
	220	trapar[4] = 235. - cm * TMath::Tan(phid * kDegrad) / 2.;
	221	trapar[5] = 50.;
	222	trapar[6] = TMath::ATan((trapar[4] - trapar[5]) / 2. / trapar[3]) * kRaddeg;
	223	trapar[7] = trapar[3];
	224	trapar[8] = trapar[4];
	225	trapar[9] = trapar[5];
	226	trapar[10] = trapar[6];
	227	w1 = trapar[4];
	228	dx = cmTMath::Tan(phid kDegrad) + 700. + trapar[4] * 1.5 - trapar[5] * .5;
cfce8870	229	gMC->Gsvolu("HHW2", "TRAP", idtmed[1956], trapar, 11);
fe4da5cc	230	r2 = cm - 896. + trapar[3];
cfce8870	231	gMC->Gspos("HHW2", 1, "ALIC", dx, r2, 0., 0, "ONLY");
cfce8870	232	gMC->Gspos("HHW2", 2, "ALIC",-dx, r2, 0., idrotm[1901], "ONLY");
fe4da5cc	233	trapar[3] = cm / 2.;
	234	trapar[4] = w1 + cm / 2.;
	235	trapar[5] = w1;
	236	trapar[6] = TMath::ATan(.5) * kRaddeg;
	237	trapar[7] = trapar[3];
	238	trapar[8] = trapar[4];
	239	trapar[9] = trapar[5];
	240	trapar[10] = trapar[6];
	241	dx = 1170. - trapar[4] * .5 - trapar[5] * .5;
cfce8870	242	gMC->Gsvolu("HHW3", "TRAP", idtmed[1956], trapar, 11);
fe4da5cc	243	r2 = trapar[3] - 896.;
cfce8870	244	gMC->Gspos("HHW3", 1, "ALIC", dx, r2, 0., 0, "ONLY");
cfce8870	245	gMC->Gspos("HHW3", 2, "ALIC",-dx, r2, 0., idrotm[1901], "ONLY");
fe4da5cc	246
	247
	248	tspar[0] = 1070.;
	249	tspar[1] = 1170.;
	250	tspar[2] = 1900.;
	251	tspar[3] = 0.;
	252	tspar[4] = 180.;
cfce8870	253	gMC->Gsvolu("HHC1", "TUBS", idtmed[1956], tspar, 5);
cfce8870	254	gMC->Gspos("HHC1", 1, "ALIC", 0., 500., 0., 0, "ONLY");
fe4da5cc	255	trdpar[0] = 1170 - trapar[4] * 2.;
	256	trdpar[1] = trdpar[0] + TMath::Tan(phim * kDegrad) * 76.;
	257	trdpar[2] = 800.;
	258	trdpar[3] = 38.;
cfce8870	259	gMC->Gsvolu("HHF2", "TRD1", idtmed[1956], trdpar, 4);
cfce8870	260	gMC->Gspos("HHF2", 1, "ALIC", 0., -858., 0., idrotm[1900], "ONLY");
fe4da5cc	261
	262	// pillars for working platform
	263
	264	pbox[0] = 40.;
	265	pbox[1] = 120.;
	266	pbox[2] = 550.;
cfce8870	267	gMC->Gsvolu("HPIL", "BOX ", idtmed[1956], pbox, 3);
	268	gMC->Gspos("HPIL", 1, "ALIC", 165.,-706+pbox[1] , 1350., 0, "ONLY");
	269	gMC->Gspos("HPIL", 2, "ALIC",-165.,-706+pbox[1] , 1350., 0, "ONLY");
fe4da5cc	270
	271	// concrete beam shield
	272
	273	pbox[0] = 402.5;
	274	pbox[1] = 260.;
	275	pbox[2] = 120.;
cfce8870	276	gMC->Gsvolu("HMBS", "BOX ", idtmed[1956], pbox, 3);
fe4da5cc	277	pbox[0] = 85.;
fe4da5cc	278	pbox[1] = 100.;
cfce8870	279	gMC->Gsvolu("HBBS", "BOX ", idtmed[1956], pbox, 3);
cfce8870	280	gMC->Gspos("HBBS", 1, "HMBS", -157.5, 0., 0., 0, "ONLY");
fe4da5cc	281	pbox[0] = 40.;
fe4da5cc	282	pbox[1] = 130.;
cfce8870	283	gMC->Gsvolu("HPBS", "BOX ", idtmed[1956], pbox, 3);
	284	gMC->Gspos("HPBS", 1, "HMBS", 202.5, 30., 0., 0, "ONLY");
	285	gMC->Gspos("HMBS", 1, "ALIC", 157.5, -50., -820., 0, "ONLY");
fe4da5cc	286
fe4da5cc	287	}
	288
	289	//_____________________________________________________________________________
	290	void AliHALL::CreateMaterials()
	291	{
	292	//
	293	// Create materials for the experimental hall
	294	//
	295
	296
b43eb0dc	297	Int_t isxfld = gAlice->Field()->Integ();
b43eb0dc	298	Float_t sxmgmx = gAlice->Field()->Max();
fe4da5cc	299
	300	Float_t aconc[10] = { 1.,12.01,15.994,22.99,24.305,26.98,28.086,39.1,40.08,55.85 };
	301	Float_t zconc[10] = { 1.,6.,8.,11.,12.,13.,14.,19.,20.,26. };
	302	Float_t wconc[10] = { .01,.001,.529107,.016,.002,.033872,.337021,.013,.044,.014 };
	303
	304	Float_t epsil, stmin, deemax, tmaxfd, stemax;
	305
	306	// FOR CONCRETE
	307
	308	AliMaterial(10, "IRON$ ", 55.85, 26., 7.87, 1.76, 17.1);
	309	AliMaterial(30, "IRON$ ", 55.85, 26., 7.87, 1.76, 17.1);
	310	AliMaterial(50, "IRON$ ", 55.85, 26., 7.87, 1.76, 17.1);
	311	AliMaterial(15, "AIR$ ", 14.61, 7.3, .001205, 30423.24, 67500);
	312	AliMaterial(35, "AIR$ ", 14.61, 7.3, .001205, 30423.24, 67500);
	313	AliMaterial(55, "AIR$ ", 14.61, 7.3, .001205, 30423.24, 67500);
	314	AliMixture(17, "CONCRETE$", aconc, zconc, 2.35, 10, wconc);
	315	AliMixture(37, "CONCRETE$", aconc, zconc, 2.35, 10, wconc);
	316	AliMixture(57, "CONCRETE$", aconc, zconc, 2.35, 10, wconc);
	317
	318	// ****************
	319	// Defines tracking media parameters.
	320	// Les valeurs sont commentees pour laisser le defaut
	321	// a GEANT (version 3-21, page CONS200), f.m.
	322	epsil = .001; // Tracking precision,
	323	stemax = -1.; // Maximum displacement for multiple scat
	324	tmaxfd = -20.; // Maximum angle due to field deflection
	325	deemax = -.3; // Maximum fractional energy loss, DLS
	326	stmin = -.8;
	327	// ***************
	328
	329	// IRON
	330
b43eb0dc	331	AliMedium(10, "FE_C0 ", 10, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
	332	AliMedium(30, "FE_C1 ", 30, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
	333	AliMedium(50, "FE_C2 ", 50, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
fe4da5cc	334
	335	// Air
	336
b43eb0dc	337	AliMedium(15, "AIR_C0 ", 15, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
	338	AliMedium(35, "AIR_C1 ", 35, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
	339	AliMedium(55, "AIR_C2 ", 55, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
fe4da5cc	340
	341	// Concrete
	342
b43eb0dc	343	AliMedium(17, "CC_C0 ", 17, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
	344	AliMedium(37, "CC_C1 ", 37, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
	345	AliMedium(57, "CC_C2 ", 57, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
fe4da5cc	346	}
	347
	348	//_____________________________________________________________________________
	349	void AliHALL::Init()
	350	{
	351	//
	352	// Initialise the HALL after it has been built
	353	//
	354	Int_t i;
	355	//
	356	printf("\n");
	357	for(i=0;i<35;i++) printf("*");
	358	printf(" HALL_INIT ");
	359	for(i=0;i<35;i++) printf("*");
	360	printf("\n");
	361	//
	362	// Here the HALL initialisation code (if any!)
	363	for(i=0;i<80;i++) printf("*");
	364	printf("\n");
	365	}
	366
	367	//_____________________________________________________________________________
b8032157	368	void AliHALL::DrawModule()
fe4da5cc	369	{
	370	//
	371	// Draw a shaded view of Experimental Hall
	372	//
	373
fe4da5cc	374	// Set everything unseen
cfce8870	375	gMC->Gsatt("*", "seen", -1);
fe4da5cc	376	//
fe4da5cc	377	// Set ALIC mother transparent
cfce8870	378	gMC->Gsatt("ALIC","SEEN",0);
fe4da5cc	379	//
fe4da5cc	380	// Set the volumes visible
cfce8870	381	gMC->Gsatt("HUFL","seen",1);
	382	gMC->Gsatt("HUWA","seen",1);
	383	gMC->Gsatt("HUP2","seen",1);
	384	gMC->Gsatt("HEW1","seen",1);
	385	gMC->Gsatt("HHF1","seen",1);
	386	gMC->Gsatt("HHW1","seen",1);
	387	gMC->Gsatt("HBW1","seen",1);
	388	gMC->Gsatt("HHW2","seen",1);
	389	gMC->Gsatt("HHW3","seen",1);
	390	gMC->Gsatt("HHC1","seen",1);
	391	gMC->Gsatt("HHF2","seen",1);
	392	gMC->Gsatt("HPIL","seen",1);
	393	gMC->Gsatt("HMBS","seen",1);
	394	gMC->Gsatt("HBBS","seen",1);
	395	gMC->Gsatt("HPBS","seen",1);
	396	gMC->Gsatt("HXFI","seen",1);
	397	gMC->Gsatt("HXII","seen",1);
fe4da5cc	398	//
cfce8870	399	gMC->Gdopt("hide", "on");
	400	gMC->Gdopt("shad", "on");
	401	gMC->Gsatt("*", "fill", 7);
	402	gMC->SetClipBox(".");
b8032157	403	if (gAlice->GetModule("ZDC") == 0) {
fe4da5cc	404	//
	405	// ZDC is not present
	406	//
cfce8870	407	gMC->SetClipBox("*", 0, 3000, -3000, 3000, -6000, 6000);
	408	gMC->DefaultRange();
	409	gMC->Gdraw("alic", 40, 30, 0, 12, 7.5, .005, .005);
fe4da5cc	410	} else {
	411	//
	412	// ZDC is present
	413	//
cfce8870	414	gMC->SetClipBox("*", 0, 2000, -2000, 2000, -2000, 16000);
	415	gMC->DefaultRange();
	416	gMC->Gdraw("alic", 40, 30, 0, 17.5, 10, .0019, .0019);
fe4da5cc	417	}
cfce8870	418	gMC->Gdhead(1111, "Experimental Hall");
cfce8870	419	gMC->Gdman(18, 2, "MAN");
fe4da5cc	420	}
fe4da5cc	421