[u/mrichter/AliRoot.git] / MUON / AliMUONSt1GeometryBuilder.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.                  *
 **************************************************************************/

// $Id$
//
// Class AliMUONSt1GeometryBuilder
// -------------------------------
// MUON Station1 coarse geometry construction class.
// Extracted from AliMUONv1
// by Ivana Hrivnacova, IPN Orsay
// Included in AliRoot 2004/01/23

#include <TVirtualMC.h>
#include <TGeoMatrix.h>

#include "AliLog.h"

#include "AliMUONSt1GeometryBuilder.h"
#include "AliMUON.h"
#include "AliMUONConstants.h"
#include "AliMUONGeometryModule.h"
#include "AliMUONGeometryEnvelopeStore.h"

/// \cond CLASSIMP
ClassImp(AliMUONSt1GeometryBuilder)
/// \endcond

//______________________________________________________________________________
AliMUONSt1GeometryBuilder::AliMUONSt1GeometryBuilder(AliMUON* muon)
 : AliMUONVGeometryBuilder(0, 1),
   fMUON(muon)
{
/// Standard constructor

}

//______________________________________________________________________________
AliMUONSt1GeometryBuilder::AliMUONSt1GeometryBuilder()
 : AliMUONVGeometryBuilder(),
   fMUON(0)
{
/// Default constructor
}


//______________________________________________________________________________
AliMUONSt1GeometryBuilder::AliMUONSt1GeometryBuilder(const AliMUONSt1GeometryBuilder& rhs)
  : AliMUONVGeometryBuilder(rhs)
{
/// Protected copy constructor

  AliFatal("Copy constructor is not implemented.");
}

//______________________________________________________________________________
AliMUONSt1GeometryBuilder::~AliMUONSt1GeometryBuilder() 
{
/// Destructor
}

//______________________________________________________________________________
AliMUONSt1GeometryBuilder& 
AliMUONSt1GeometryBuilder::operator = (const AliMUONSt1GeometryBuilder& rhs) 
{
/// Protected assignement operator

  // check assignement to self
  if (this == &rhs) return *this;

  AliFatal("Assignment operator is not implemented.");
    
  return *this;  
}

//
// public methods
//

//______________________________________________________________________________
void AliMUONSt1GeometryBuilder::CreateGeometry()
{
/// From AliMUONv1::CreateGeometry()

//********************************************************************
//                            Station 1                             **
//********************************************************************
//  CONCENTRIC
     // indices 1 and 2 for first and second chambers in the station
     // iChamber (first chamber) kept for other quanties than Z,
     // assumed to be the same in both chambers

     // Get tracking medias Ids     
     Int_t *idtmed = fMUON->GetIdtmed()->GetArray()-1099;
     Int_t idAir= idtmed[1100]; // medium 1
     Int_t idAlu1=idtmed[1103]; // medium 4
     Int_t idAlu2=idtmed[1104]; // medium 5
     Int_t idGas=idtmed[1108];  // medium 9 = Ar-CO2 gas (80%+20%)
     Bool_t frameCrosses=kTRUE;     

     // Rotation matrices in the x-y plane  
     // phi=   0 deg
     Int_t irot1;
     fMUON->AliMatrix(irot1,  90.,   0., 90.,  90., 0., 0.);
     // phi=  90 deg
     Int_t irot2;
     fMUON->AliMatrix(irot2,  90.,  90., 90., 180., 0., 0.);

     // DGas decreased from standard one (0.5)
     const Float_t kDGas = 0.4;

     // DAlu increased from standard one (3% of X0),
     // because more electronics with smaller pads
     const Float_t kDAlu = 3.5 * 8.9 / 100.;

     // Half of the total thickness of frame crosses (including DAlu)
     // for each chamber in stations 1 and 2:
     // 3% of X0 of composite material,
     // but taken as Aluminium here, with same thickness in number of X0
     Float_t dframez = 3. * 8.9 / 100;
     Float_t zfpos=-(kDGas+dframez+kDAlu)/2;
             // The same parameters are defined in builder for station 2 

     // Mother volume
     // Outer excess and inner recess for mother volume radius
     // with respect to ROuter and RInner
     Float_t dframep=.001; // Value for station 3 should be 6 ...
     // Width (RdPhi) of the frame crosses for stations 1 and 2 (cm)
     // Float_t dframep1=.001;
     Float_t dframep1 = 11.0;
     Float_t phi=2*TMath::Pi()/12/2;
             // The same parameters are defined in builder for station 2 

     Float_t tpar[3];
     Float_t dstation = (-AliMUONConstants::DefaultChamberZ(1)) - 
                        (-AliMUONConstants::DefaultChamberZ(0));
     tpar[0] = AliMUONConstants::Rmin(0)-dframep; 
     tpar[1] = (AliMUONConstants::Rmax(0)+dframep)/TMath::Cos(phi);
     tpar[2] = dstation/5;

     gMC->Gsvolu("S01M", "TUBE", idAir, tpar, 3);
     gMC->Gsvolu("S02M", "TUBE", idAir, tpar, 3);

     // CHANGED
     //gMC->Gspos("S01M", 1, "ALIC", 0., 0., zpos1 , 0, "ONLY");
     //gMC->Gspos("S02M", 1, "ALIC", 0., 0., zpos2 , 0, "ONLY");
     
     GetEnvelopes(0)->AddEnvelope("S01M", 100, false);
     GetEnvelopes(1)->AddEnvelope("S02M", 200, false);
         

// // Aluminium frames
// // Outer frames
//      pgpar[0] = 360/12/2;
//      pgpar[1] = 360.;
//      pgpar[2] = 12.;
//      pgpar[3] =   2;
//      pgpar[4] = -dframez/2;
//      pgpar[5] = AliMUONConstants::Rmax(0);
//      pgpar[6] = pgpar[5]+dframep1;
//      pgpar[7] = +dframez/2;
//      pgpar[8] = pgpar[5];
//      pgpar[9] = pgpar[6];
//      gMC->Gsvolu("S01O", "PGON", idAlu1, pgpar, 10);
//      gMC->Gsvolu("S02O", "PGON", idAlu1, pgpar, 10);
//      gMC->Gspos("S01O",1,"S01M", 0.,0.,-zfpos,  0,"ONLY");
//      gMC->Gspos("S01O",2,"S01M", 0.,0.,+zfpos,  0,"ONLY");
//      gMC->Gspos("S02O",1,"S02M", 0.,0.,-zfpos,  0,"ONLY");
//      gMC->Gspos("S02O",2,"S02M", 0.,0.,+zfpos,  0,"ONLY");
// //
// // Inner frame
//      tpar[0]= AliMUONConstants::Rmin(0)-dframep1;
//      tpar[1]= AliMUONConstants::Rmin(0);
//      tpar[2]= dframez/2;
//      gMC->Gsvolu("S01I", "TUBE", idAlu1, tpar, 3);
//      gMC->Gsvolu("S02I", "TUBE", idAlu1, tpar, 3);

//      gMC->Gspos("S01I",1,"S01M", 0.,0.,-zfpos,  0,"ONLY");
//      gMC->Gspos("S01I",2,"S01M", 0.,0.,+zfpos,  0,"ONLY");
//      gMC->Gspos("S02I",1,"S02M", 0.,0.,-zfpos,  0,"ONLY");
//      gMC->Gspos("S02I",2,"S02M", 0.,0.,+zfpos,  0,"ONLY");
//
// Frame Crosses
     if (frameCrosses) {
         // outside gas
         // security for inside mother volume
         Float_t bpar[3];
	 bpar[0] = (AliMUONConstants::Rmax(0) - AliMUONConstants::Rmin(0))
	   * TMath::Cos(TMath::ASin(dframep1 /
		   (AliMUONConstants::Rmax(0) - AliMUONConstants::Rmin(0))))
	   / 2.0;
	 bpar[1] = dframep1/2;
	 // total thickness will be (4 * bpar[2]) for each chamber,
	 // which has to be equal to (2 * dframez) - DAlu
	 bpar[2] = (2.0 * dframez - kDAlu) / 4.0;
	 gMC->Gsvolu("S01B", "BOX", idAlu1, bpar, 3);
	 gMC->Gsvolu("S02B", "BOX", idAlu1, bpar, 3);
	 
	 gMC->Gspos("S01B",1,"S01M", +AliMUONConstants::Rmin(0)+bpar[0] , 0,-zfpos, 
		    irot1,"ONLY");
	 gMC->Gspos("S01B",2,"S01M", -AliMUONConstants::Rmin(0)-bpar[0] , 0,-zfpos, 
		    irot1,"ONLY");
	 gMC->Gspos("S01B",3,"S01M", 0, +AliMUONConstants::Rmin(0)+bpar[0] ,-zfpos, 
		    irot2,"ONLY");
	 gMC->Gspos("S01B",4,"S01M", 0, -AliMUONConstants::Rmin(0)-bpar[0] ,-zfpos, 
		    irot2,"ONLY");
	 gMC->Gspos("S01B",5,"S01M", +AliMUONConstants::Rmin(0)+bpar[0] , 0,+zfpos, 
		    irot1,"ONLY");
	 gMC->Gspos("S01B",6,"S01M", -AliMUONConstants::Rmin(0)-bpar[0] , 0,+zfpos, 
		    irot1,"ONLY");
	 gMC->Gspos("S01B",7,"S01M", 0, +AliMUONConstants::Rmin(0)+bpar[0] ,+zfpos, 
		    irot2,"ONLY");
	 gMC->Gspos("S01B",8,"S01M", 0, -AliMUONConstants::Rmin(0)-bpar[0] ,+zfpos, 
		    irot2,"ONLY");
	 
	 gMC->Gspos("S02B",1,"S02M", +AliMUONConstants::Rmin(0)+bpar[0] , 0,-zfpos, 
		    irot1,"ONLY");
	 gMC->Gspos("S02B",2,"S02M", -AliMUONConstants::Rmin(0)-bpar[0] , 0,-zfpos, 
		    irot1,"ONLY");
	 gMC->Gspos("S02B",3,"S02M", 0, +AliMUONConstants::Rmin(0)+bpar[0] ,-zfpos, 
		    irot2,"ONLY");
	 gMC->Gspos("S02B",4,"S02M", 0, -AliMUONConstants::Rmin(0)-bpar[0] ,-zfpos, 
		    irot2,"ONLY");
	 gMC->Gspos("S02B",5,"S02M", +AliMUONConstants::Rmin(0)+bpar[0] , 0,+zfpos, 
		    irot1,"ONLY");
	 gMC->Gspos("S02B",6,"S02M", -AliMUONConstants::Rmin(0)-bpar[0] , 0,+zfpos, 
		    irot1,"ONLY");
	 gMC->Gspos("S02B",7,"S02M", 0, +AliMUONConstants::Rmin(0)+bpar[0] ,+zfpos, 
		    irot2,"ONLY");
	 gMC->Gspos("S02B",8,"S02M", 0, -AliMUONConstants::Rmin(0)-bpar[0] ,+zfpos, 
		    irot2,"ONLY");
     }
//
//   Chamber Material represented by Alu sheet
     tpar[0]= AliMUONConstants::Rmin(0);
     tpar[1]= AliMUONConstants::Rmax(0);
     tpar[2] = (kDGas+kDAlu)/2;
     gMC->Gsvolu("S01A", "TUBE",  idAlu2, tpar, 3);
     gMC->Gsvolu("S02A", "TUBE",idAlu2, tpar, 3);
     gMC->Gspos("S01A", 1, "S01M", 0., 0., 0.,  0, "ONLY");
     gMC->Gspos("S02A", 1, "S02M", 0., 0., 0.,  0, "ONLY");
//     
//   Sensitive volumes
     // tpar[2] = kDGas;
     tpar[2] = kDGas/2;
     gMC->Gsvolu("S01G", "TUBE", idGas, tpar, 3);
     gMC->Gsvolu("S02G", "TUBE", idGas, tpar, 3);
     gMC->Gspos("S01G", 1, "S01A", 0., 0., 0.,  0, "ONLY");
     gMC->Gspos("S02G", 1, "S02A", 0., 0., 0.,  0, "ONLY");
//
// Frame Crosses to be placed inside gas
     // NONE: chambers are sensitive everywhere
//      if (frameCrosses) {

// 	 dr = (AliMUONConstants::Rmax(0) - AliMUONConstants::Rmin(0));
// 	 bpar[0] = TMath::Sqrt(dr*dr-dframep1*dframep1/4)/2;
// 	 bpar[1] = dframep1/2;
// 	 bpar[2] = kDGas/2;
// 	 gMC->Gsvolu("S01F", "BOX", idAlu1, bpar, 3);
// 	 gMC->Gsvolu("S02F", "BOX", idAlu1, bpar, 3);
	 
// 	 gMC->Gspos("S01F",1,"S01G", +AliMUONConstants::Rmin(0)+bpar[0] , 0, 0, 
// 		    irot1,"ONLY");
// 	 gMC->Gspos("S01F",2,"S01G", -AliMUONConstants::Rmin(0)-bpar[0] , 0, 0, 
// 		    irot1,"ONLY");
// 	 gMC->Gspos("S01F",3,"S01G", 0, +AliMUONConstants::Rmin(0)+bpar[0] , 0, 
// 		    irot2,"ONLY");
// 	 gMC->Gspos("S01F",4,"S01G", 0, -AliMUONConstants::Rmin(0)-bpar[0] , 0, 
// 		    irot2,"ONLY");
	 
// 	 gMC->Gspos("S02F",1,"S02G", +AliMUONConstants::Rmin(0)+bpar[0] , 0, 0, 
// 		    irot1,"ONLY");
// 	 gMC->Gspos("S02F",2,"S02G", -AliMUONConstants::Rmin(0)-bpar[0] , 0, 0, 
// 		    irot1,"ONLY");
// 	 gMC->Gspos("S02F",3,"S02G", 0, +AliMUONConstants::Rmin(0)+bpar[0] , 0, 
// 		    irot2,"ONLY");
// 	 gMC->Gspos("S02F",4,"S02G", 0, -AliMUONConstants::Rmin(0)-bpar[0] , 0, 
// 		    irot2,"ONLY");
//      }
}

//______________________________________________________________________________
void AliMUONSt1GeometryBuilder::SetTransformations()
{
/// Define the transformations for the station2 chambers.

  Double_t zpos1= - AliMUONConstants::DefaultChamberZ(0); 
  SetTranslation(0, TGeoTranslation(0., 0., zpos1));

  Double_t zpos2 = - AliMUONConstants::DefaultChamberZ(1); 
  SetTranslation(0, TGeoTranslation(0., 0., zpos2));
}

//______________________________________________________________________________
void AliMUONSt1GeometryBuilder::SetSensitiveVolumes()
{
/// Define the sensitive volumes for station1 chambers.

  GetGeometry(0)->SetSensitiveVolume("S01G");
  GetGeometry(1)->SetSensitiveVolume("S02G");
}
Commit	Line	Data
e118b27e	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
d1cd2474	16	// $Id$
	17	//
	18	// Class AliMUONSt1GeometryBuilder
	19	// -------------------------------
	20	// MUON Station1 coarse geometry construction class.
d1cd2474	21	// Extracted from AliMUONv1
d1cd2474	22	// by Ivana Hrivnacova, IPN Orsay
5f1df83a	23	// Included in AliRoot 2004/01/23
d1cd2474	24
	25	#include <TVirtualMC.h>
	26	#include <TGeoMatrix.h>
	27
e118b27e	28	#include "AliLog.h"
e118b27e	29
d1cd2474	30	#include "AliMUONSt1GeometryBuilder.h"
d1cd2474	31	#include "AliMUON.h"
b7ef3c96	32	#include "AliMUONConstants.h"
e118b27e	33	#include "AliMUONGeometryModule.h"
a432117a	34	#include "AliMUONGeometryEnvelopeStore.h"
d1cd2474	35
5398f946	36	/// \cond CLASSIMP
d1cd2474	37	ClassImp(AliMUONSt1GeometryBuilder)
5398f946	38	/// \endcond
d1cd2474	39
	40	//______________________________________________________________________________
	41	AliMUONSt1GeometryBuilder::AliMUONSt1GeometryBuilder(AliMUON* muon)
b7ef3c96	42	: AliMUONVGeometryBuilder(0, 1),
d1cd2474	43	fMUON(muon)
d1cd2474	44	{
5398f946	45	/// Standard constructor
d1cd2474	46
	47	}
	48
	49	//______________________________________________________________________________
	50	AliMUONSt1GeometryBuilder::AliMUONSt1GeometryBuilder()
	51	: AliMUONVGeometryBuilder(),
	52	fMUON(0)
	53	{
5398f946	54	/// Default constructor
d1cd2474	55	}
	56
	57
	58	//______________________________________________________________________________
	59	AliMUONSt1GeometryBuilder::AliMUONSt1GeometryBuilder(const AliMUONSt1GeometryBuilder& rhs)
	60	: AliMUONVGeometryBuilder(rhs)
	61	{
5398f946	62	/// Protected copy constructor
30178c30	63
8c343c7c	64	AliFatal("Copy constructor is not implemented.");
d1cd2474	65	}
	66
	67	//______________________________________________________________________________
5398f946	68	AliMUONSt1GeometryBuilder::~AliMUONSt1GeometryBuilder()
	69	{
	70	/// Destructor
d1cd2474	71	}
	72
	73	//______________________________________________________________________________
	74	AliMUONSt1GeometryBuilder&
	75	AliMUONSt1GeometryBuilder::operator = (const AliMUONSt1GeometryBuilder& rhs)
	76	{
5398f946	77	/// Protected assignement operator
30178c30	78
d1cd2474	79	// check assignement to self
	80	if (this == &rhs) return *this;
	81
8c343c7c	82	AliFatal("Assignment operator is not implemented.");
d1cd2474	83
	84	return *this;
	85	}
	86
	87	//
	88	// public methods
	89	//
	90
	91	//______________________________________________________________________________
	92	void AliMUONSt1GeometryBuilder::CreateGeometry()
	93	{
5398f946	94	/// From AliMUONv1::CreateGeometry()
d1cd2474	95
	96	//********************************************************************
	97	// Station 1 **
	98	//********************************************************************
	99	// CONCENTRIC
	100	// indices 1 and 2 for first and second chambers in the station
	101	// iChamber (first chamber) kept for other quanties than Z,
	102	// assumed to be the same in both chambers
	103
	104	// Get tracking medias Ids
	105	Int_t *idtmed = fMUON->GetIdtmed()->GetArray()-1099;
	106	Int_t idAir= idtmed[1100]; // medium 1
	107	Int_t idAlu1=idtmed[1103]; // medium 4
	108	Int_t idAlu2=idtmed[1104]; // medium 5
	109	Int_t idGas=idtmed[1108]; // medium 9 = Ar-CO2 gas (80%+20%)
	110	Bool_t frameCrosses=kTRUE;
	111
	112	// Rotation matrices in the x-y plane
	113	// phi= 0 deg
	114	Int_t irot1;
	115	fMUON->AliMatrix(irot1, 90., 0., 90., 90., 0., 0.);
	116	// phi= 90 deg
	117	Int_t irot2;
	118	fMUON->AliMatrix(irot2, 90., 90., 90., 180., 0., 0.);
	119
d1cd2474	120	// DGas decreased from standard one (0.5)
b7ef3c96	121	const Float_t kDGas = 0.4;
d1cd2474	122
	123	// DAlu increased from standard one (3% of X0),
	124	// because more electronics with smaller pads
b7ef3c96	125	const Float_t kDAlu = 3.5 * 8.9 / 100.;
d1cd2474	126
	127	// Half of the total thickness of frame crosses (including DAlu)
	128	// for each chamber in stations 1 and 2:
	129	// 3% of X0 of composite material,
	130	// but taken as Aluminium here, with same thickness in number of X0
	131	Float_t dframez = 3. * 8.9 / 100;
b7ef3c96	132	Float_t zfpos=-(kDGas+dframez+kDAlu)/2;
d1cd2474	133	// The same parameters are defined in builder for station 2
	134
	135	// Mother volume
	136	// Outer excess and inner recess for mother volume radius
	137	// with respect to ROuter and RInner
	138	Float_t dframep=.001; // Value for station 3 should be 6 ...
	139	// Width (RdPhi) of the frame crosses for stations 1 and 2 (cm)
	140	// Float_t dframep1=.001;
	141	Float_t dframep1 = 11.0;
	142	Float_t phi=2*TMath::Pi()/12/2;
	143	// The same parameters are defined in builder for station 2
	144
	145	Float_t tpar[3];
b7ef3c96	146	Float_t dstation = (-AliMUONConstants::DefaultChamberZ(1)) -
	147	(-AliMUONConstants::DefaultChamberZ(0));
	148	tpar[0] = AliMUONConstants::Rmin(0)-dframep;
	149	tpar[1] = (AliMUONConstants::Rmax(0)+dframep)/TMath::Cos(phi);
d1cd2474	150	tpar[2] = dstation/5;
	151
	152	gMC->Gsvolu("S01M", "TUBE", idAir, tpar, 3);
	153	gMC->Gsvolu("S02M", "TUBE", idAir, tpar, 3);
	154
	155	// CHANGED
	156	//gMC->Gspos("S01M", 1, "ALIC", 0., 0., zpos1 , 0, "ONLY");
a432117a	157	//gMC->Gspos("S02M", 1, "ALIC", 0., 0., zpos2 , 0, "ONLY");
	158
	159	GetEnvelopes(0)->AddEnvelope("S01M", 100, false);
	160	GetEnvelopes(1)->AddEnvelope("S02M", 200, false);
	161
d1cd2474	162
	163	// // Aluminium frames
	164	// // Outer frames
	165	// pgpar[0] = 360/12/2;
	166	// pgpar[1] = 360.;
	167	// pgpar[2] = 12.;
	168	// pgpar[3] = 2;
	169	// pgpar[4] = -dframez/2;
b7ef3c96	170	// pgpar[5] = AliMUONConstants::Rmax(0);
d1cd2474	171	// pgpar[6] = pgpar[5]+dframep1;
	172	// pgpar[7] = +dframez/2;
	173	// pgpar[8] = pgpar[5];
	174	// pgpar[9] = pgpar[6];
	175	// gMC->Gsvolu("S01O", "PGON", idAlu1, pgpar, 10);
	176	// gMC->Gsvolu("S02O", "PGON", idAlu1, pgpar, 10);
	177	// gMC->Gspos("S01O",1,"S01M", 0.,0.,-zfpos, 0,"ONLY");
	178	// gMC->Gspos("S01O",2,"S01M", 0.,0.,+zfpos, 0,"ONLY");
	179	// gMC->Gspos("S02O",1,"S02M", 0.,0.,-zfpos, 0,"ONLY");
	180	// gMC->Gspos("S02O",2,"S02M", 0.,0.,+zfpos, 0,"ONLY");
	181	// //
	182	// // Inner frame
b7ef3c96	183	// tpar[0]= AliMUONConstants::Rmin(0)-dframep1;
b7ef3c96	184	// tpar[1]= AliMUONConstants::Rmin(0);
d1cd2474	185	// tpar[2]= dframez/2;
	186	// gMC->Gsvolu("S01I", "TUBE", idAlu1, tpar, 3);
	187	// gMC->Gsvolu("S02I", "TUBE", idAlu1, tpar, 3);
	188
	189	// gMC->Gspos("S01I",1,"S01M", 0.,0.,-zfpos, 0,"ONLY");
	190	// gMC->Gspos("S01I",2,"S01M", 0.,0.,+zfpos, 0,"ONLY");
	191	// gMC->Gspos("S02I",1,"S02M", 0.,0.,-zfpos, 0,"ONLY");
	192	// gMC->Gspos("S02I",2,"S02M", 0.,0.,+zfpos, 0,"ONLY");
	193	//
	194	// Frame Crosses
	195	if (frameCrosses) {
	196	// outside gas
	197	// security for inside mother volume
	198	Float_t bpar[3];
b7ef3c96	199	bpar[0] = (AliMUONConstants::Rmax(0) - AliMUONConstants::Rmin(0))
d1cd2474	200	* TMath::Cos(TMath::ASin(dframep1 /
b7ef3c96	201	(AliMUONConstants::Rmax(0) - AliMUONConstants::Rmin(0))))
d1cd2474	202	/ 2.0;
	203	bpar[1] = dframep1/2;
	204	// total thickness will be (4 * bpar[2]) for each chamber,
	205	// which has to be equal to (2 * dframez) - DAlu
b7ef3c96	206	bpar[2] = (2.0 * dframez - kDAlu) / 4.0;
d1cd2474	207	gMC->Gsvolu("S01B", "BOX", idAlu1, bpar, 3);
	208	gMC->Gsvolu("S02B", "BOX", idAlu1, bpar, 3);
	209
b7ef3c96	210	gMC->Gspos("S01B",1,"S01M", +AliMUONConstants::Rmin(0)+bpar[0] , 0,-zfpos,
d1cd2474	211	irot1,"ONLY");
b7ef3c96	212	gMC->Gspos("S01B",2,"S01M", -AliMUONConstants::Rmin(0)-bpar[0] , 0,-zfpos,
d1cd2474	213	irot1,"ONLY");
b7ef3c96	214	gMC->Gspos("S01B",3,"S01M", 0, +AliMUONConstants::Rmin(0)+bpar[0] ,-zfpos,
d1cd2474	215	irot2,"ONLY");
b7ef3c96	216	gMC->Gspos("S01B",4,"S01M", 0, -AliMUONConstants::Rmin(0)-bpar[0] ,-zfpos,
d1cd2474	217	irot2,"ONLY");
b7ef3c96	218	gMC->Gspos("S01B",5,"S01M", +AliMUONConstants::Rmin(0)+bpar[0] , 0,+zfpos,
d1cd2474	219	irot1,"ONLY");
b7ef3c96	220	gMC->Gspos("S01B",6,"S01M", -AliMUONConstants::Rmin(0)-bpar[0] , 0,+zfpos,
d1cd2474	221	irot1,"ONLY");
b7ef3c96	222	gMC->Gspos("S01B",7,"S01M", 0, +AliMUONConstants::Rmin(0)+bpar[0] ,+zfpos,
d1cd2474	223	irot2,"ONLY");
b7ef3c96	224	gMC->Gspos("S01B",8,"S01M", 0, -AliMUONConstants::Rmin(0)-bpar[0] ,+zfpos,
d1cd2474	225	irot2,"ONLY");
d1cd2474	226
b7ef3c96	227	gMC->Gspos("S02B",1,"S02M", +AliMUONConstants::Rmin(0)+bpar[0] , 0,-zfpos,
d1cd2474	228	irot1,"ONLY");
b7ef3c96	229	gMC->Gspos("S02B",2,"S02M", -AliMUONConstants::Rmin(0)-bpar[0] , 0,-zfpos,
d1cd2474	230	irot1,"ONLY");
b7ef3c96	231	gMC->Gspos("S02B",3,"S02M", 0, +AliMUONConstants::Rmin(0)+bpar[0] ,-zfpos,
d1cd2474	232	irot2,"ONLY");
b7ef3c96	233	gMC->Gspos("S02B",4,"S02M", 0, -AliMUONConstants::Rmin(0)-bpar[0] ,-zfpos,
d1cd2474	234	irot2,"ONLY");
b7ef3c96	235	gMC->Gspos("S02B",5,"S02M", +AliMUONConstants::Rmin(0)+bpar[0] , 0,+zfpos,
d1cd2474	236	irot1,"ONLY");
b7ef3c96	237	gMC->Gspos("S02B",6,"S02M", -AliMUONConstants::Rmin(0)-bpar[0] , 0,+zfpos,
d1cd2474	238	irot1,"ONLY");
b7ef3c96	239	gMC->Gspos("S02B",7,"S02M", 0, +AliMUONConstants::Rmin(0)+bpar[0] ,+zfpos,
d1cd2474	240	irot2,"ONLY");
b7ef3c96	241	gMC->Gspos("S02B",8,"S02M", 0, -AliMUONConstants::Rmin(0)-bpar[0] ,+zfpos,
d1cd2474	242	irot2,"ONLY");
	243	}
	244	//
	245	// Chamber Material represented by Alu sheet
b7ef3c96	246	tpar[0]= AliMUONConstants::Rmin(0);
	247	tpar[1]= AliMUONConstants::Rmax(0);
	248	tpar[2] = (kDGas+kDAlu)/2;
d1cd2474	249	gMC->Gsvolu("S01A", "TUBE", idAlu2, tpar, 3);
	250	gMC->Gsvolu("S02A", "TUBE",idAlu2, tpar, 3);
	251	gMC->Gspos("S01A", 1, "S01M", 0., 0., 0., 0, "ONLY");
	252	gMC->Gspos("S02A", 1, "S02M", 0., 0., 0., 0, "ONLY");
	253	//
	254	// Sensitive volumes
b7ef3c96	255	// tpar[2] = kDGas;
b7ef3c96	256	tpar[2] = kDGas/2;
d1cd2474	257	gMC->Gsvolu("S01G", "TUBE", idGas, tpar, 3);
	258	gMC->Gsvolu("S02G", "TUBE", idGas, tpar, 3);
	259	gMC->Gspos("S01G", 1, "S01A", 0., 0., 0., 0, "ONLY");
	260	gMC->Gspos("S02G", 1, "S02A", 0., 0., 0., 0, "ONLY");
	261	//
	262	// Frame Crosses to be placed inside gas
	263	// NONE: chambers are sensitive everywhere
	264	// if (frameCrosses) {
	265
b7ef3c96	266	// dr = (AliMUONConstants::Rmax(0) - AliMUONConstants::Rmin(0));
d1cd2474	267	// bpar[0] = TMath::Sqrt(drdr-dframep1dframep1/4)/2;
d1cd2474	268	// bpar[1] = dframep1/2;
b7ef3c96	269	// bpar[2] = kDGas/2;
d1cd2474	270	// gMC->Gsvolu("S01F", "BOX", idAlu1, bpar, 3);
	271	// gMC->Gsvolu("S02F", "BOX", idAlu1, bpar, 3);
	272
b7ef3c96	273	// gMC->Gspos("S01F",1,"S01G", +AliMUONConstants::Rmin(0)+bpar[0] , 0, 0,
d1cd2474	274	// irot1,"ONLY");
b7ef3c96	275	// gMC->Gspos("S01F",2,"S01G", -AliMUONConstants::Rmin(0)-bpar[0] , 0, 0,
d1cd2474	276	// irot1,"ONLY");
b7ef3c96	277	// gMC->Gspos("S01F",3,"S01G", 0, +AliMUONConstants::Rmin(0)+bpar[0] , 0,
d1cd2474	278	// irot2,"ONLY");
b7ef3c96	279	// gMC->Gspos("S01F",4,"S01G", 0, -AliMUONConstants::Rmin(0)-bpar[0] , 0,
d1cd2474	280	// irot2,"ONLY");
d1cd2474	281
b7ef3c96	282	// gMC->Gspos("S02F",1,"S02G", +AliMUONConstants::Rmin(0)+bpar[0] , 0, 0,
d1cd2474	283	// irot1,"ONLY");
b7ef3c96	284	// gMC->Gspos("S02F",2,"S02G", -AliMUONConstants::Rmin(0)-bpar[0] , 0, 0,
d1cd2474	285	// irot1,"ONLY");
b7ef3c96	286	// gMC->Gspos("S02F",3,"S02G", 0, +AliMUONConstants::Rmin(0)+bpar[0] , 0,
d1cd2474	287	// irot2,"ONLY");
b7ef3c96	288	// gMC->Gspos("S02F",4,"S02G", 0, -AliMUONConstants::Rmin(0)-bpar[0] , 0,
d1cd2474	289	// irot2,"ONLY");
	290	// }
	291	}
	292
	293	//______________________________________________________________________________
	294	void AliMUONSt1GeometryBuilder::SetTransformations()
	295	{
5398f946	296	/// Define the transformations for the station2 chambers.
d1cd2474	297
b7ef3c96	298	Double_t zpos1= - AliMUONConstants::DefaultChamberZ(0);
b7ef3c96	299	SetTranslation(0, TGeoTranslation(0., 0., zpos1));
d1cd2474	300
b7ef3c96	301	Double_t zpos2 = - AliMUONConstants::DefaultChamberZ(1);
b7ef3c96	302	SetTranslation(0, TGeoTranslation(0., 0., zpos2));
d1cd2474	303	}
	304
	305	//______________________________________________________________________________
	306	void AliMUONSt1GeometryBuilder::SetSensitiveVolumes()
	307	{
5398f946	308	/// Define the sensitive volumes for station1 chambers.
d1cd2474	309
e118b27e	310	GetGeometry(0)->SetSensitiveVolume("S01G");
e118b27e	311	GetGeometry(1)->SetSensitiveVolume("S02G");
d1cd2474	312	}