[u/mrichter/AliRoot.git] / MUON / AliMUONTriggerGeometryBuilder.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 AliMUONTriggerGeometryBuilder
// -----------------------------------
// MUON Trigger stations geometry 
// construction class.
// Author: Philippe Crochet (LPCCFd)

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

#include "AliLog.h"

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

ClassImp(AliMUONTriggerGeometryBuilder)

//______________________________________________________________________________
AliMUONTriggerGeometryBuilder::AliMUONTriggerGeometryBuilder(AliMUON* muon)
 : AliMUONVGeometryBuilder(10, 11, 12, 13),
   fMUON(muon)
{
// Standard constructor

}

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


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

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

//______________________________________________________________________________
AliMUONTriggerGeometryBuilder::~AliMUONTriggerGeometryBuilder() {
//
}

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

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

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

//
// public methods
//

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

    /* 
       zpos1 and zpos2 are the middle of the first and second
       planes of station 1 (+1m for second station):
       zpos1=(zpos1m+zpos1p)/2=(15999+16071)/2=16035 mm, thick/2=40 mm
       zpos2=(zpos2m+zpos2p)/2=(16169+16241)/2=16205 mm, thick/2=40 mm
       zposxm and zposxp= middles of gaz gaps within a detection plane
       rem: the total thickness accounts for 1 mm of al on both
       side of the RPCs (see zpos1 and zpos2)
    */
    
    Int_t *idtmed = fMUON->GetIdtmed()->GetArray()-1099;
    Int_t idAir= idtmed[1100]; // medium 1
    Int_t idAlu1=idtmed[1103]; // medium 4
    Int_t detElemId=0;          // Detection Element Number    
    Float_t tpar[3];
    Double_t dpar[3];    
    
// vertical gap between right and left chambers (kDXZERO*2=4cm)
    const Float_t kDXZERO=2.; 
// main distances for chamber definition in first plane/first station
    const Float_t kXMIN=34.;       
    const Float_t kXMED=51.;                                
    const Float_t kXMAX=255.; 
// 090704 kXMAX changed from 272 to 255.
// (see fig.2-4 & 2-5 of Local Trigger Board PRR)
// segmentation updated accordingly
    const Float_t kYMIN=34.;                              
    const Float_t kYMAX=51.;                              
// inner/outer radius of flange between beam shield. and chambers (1/station)
//    const Float_t kRMIN[2]={50.,50.};
//    const Float_t kRMAX[2]={64.,68.};
// z position of the middle of the gas gap in mother vol 
    const Float_t kZm=-3.6;
    const Float_t kZp=+3.6;
    
    Float_t zpos1= AliMUONConstants::DefaultChamberZ(10); 
    Double_t dstation =  ( ( - AliMUONConstants::DefaultChamberZ(11)) - 
                           ( - AliMUONConstants::DefaultChamberZ(10)) ) /2.1;
    Float_t par[3];
    par[2] = dstation;

// ratio of zpos1m/zpos1p and inverse for first plane
    Float_t zmp=(zpos1-3.6)/(zpos1+3.6);
    Float_t zpm=1./zmp;
    
    Int_t icount=0;  // chamber counter (0 1 2 3)
    
    for (Int_t istation=0; istation<2; istation++) { // loop on stations
	for (Int_t iplane=0; iplane<2; iplane++) { // loop on detection planes
	    
	    Int_t iVolNum=1; // counter Volume Number
	    icount = Int_t(iplane<<0)+Int_t(istation<<1);
	    
	    par[0] = AliMUONConstants::Rmin(5+istation); 
	    par[1] = AliMUONConstants::Rmax(5+istation);
	    Char_t volName[6];
	    sprintf(volName,"%s%d", "SC",11+icount);
 	    gMC->Gsvolu(volName,"TUBE", idAir, par, 3);
 	    //SetVolume(10+icount, volName);
//	    Float_t zpos =  AliMUONConstants::DefaultChamberZ(10+icount);

/* removed 03/18/05
// Flange between beam shielding and RPC 
	    tpar[0]= kRMIN[istation];
	    tpar[1]= kRMAX[istation];
	    tpar[2]= 4.0;	    
	    char volFlange[5];
	    sprintf(volFlange,"SF%dA",icount+1);	 
	    gMC->Gsvolu(volFlange,"TUBE",idAlu1,tpar,3);     // Al
            // changed by ivana
	    //gMC->Gspos(volFlange,1,"ALIC",0.,0.,zpos,0,"MANY");
	    iChamber->GetGeometry()->GetEnvelopeStore()
	      ->AddEnvelope(volFlange, 0, false, "MANY");
*/
	    
// scaling factor
//	    Float_t zRatio = zpos / zpos1;
	    Float_t zRatio = AliMUONConstants::DefaultRatioTriggerChamber(icount);	    	    


// envelopes (same size except line 5, all virtual)
	    char volEnv[18][5];
	    tpar[1] = kYMIN * zRatio; 
	    tpar[2] = 0.4;
	    Int_t i=0;    // counter
	    for (Int_t icolumn=0; icolumn<2; icolumn++) {
		for (Int_t iline=1; iline<10; iline++){
		    tpar[0] = (kXMAX/2.) * zRatio;
		    if (iline==5) tpar[0] = ((kXMAX-kXMED)/2.)*zRatio;
		    if (icolumn==0) 
			sprintf(volEnv[i],"S%dR%d",icount,iline);
		    else
			sprintf(volEnv[i],"S%dL%d",icount,iline);
		    // gMC->Gsvolu(volEnv[i],"BOX",idAir,tpar,0); 
		    i++;
		}
	    }

// chamber prototype
	    tpar[0]= 0.;
	    tpar[1]= 0.;
	    tpar[2]= 0.;	    char volAlu[5];     // Alu 
	    char volBak[5];     // Bakelite
	    char volGaz[5];     // Gas streamer	    
	    sprintf(volAlu,"SC%dA",icount+1);
	    sprintf(volBak,"SB%dA",icount+1);
	    sprintf(volGaz,"S%dG",icount+11);
	    gMC->Gsvolu(volAlu,"BOX",idAlu1,tpar,0);         // Al
	    gMC->Gsvolu(volBak,"BOX",idtmed[1107],tpar,0);   // Bakelite
	    gMC->Gsvolu(volGaz,"BOX",idtmed[1106],tpar,0);   // Gas streamer
	    tpar[0] = -1.;
	    tpar[1] = -1.;
	    tpar[2] = 0.1;    
	    gMC->Gsposp(volGaz,1,volBak,0.,0.,0.,0,"ONLY",tpar,3);
	    tpar[2] = 0.3;
	    gMC->Gsposp(volBak,1,volAlu,0.,0.,0.,0,"ONLY",tpar,3);

// chamber type A
	    Float_t xEnv = (kDXZERO+kXMED+(kXMAX-kXMED)/2.)*zRatio;
	    Float_t yEnvM = 0.;	 // y low position of envelope in chamber
	    Float_t yEnvP = 0.;	 // y up position of envelope in chamber
	    Float_t yEnvPsave = 0.; // tmp data
	    Float_t yEnvMsave = 0.; // tmp data
	    Float_t xpos = 0.; // x position of RPC in envelope	    
	    Float_t ypos = 0.; // y position of RPC in envelope
	    dpar[2] = 0.4;	    
	    dpar[0] = ((kXMAX-kXMED)/2.)*zRatio;
	    dpar[1] = kYMIN * zRatio;

	    detElemId = (10+icount+1)*100;
	    GetEnvelopes(10+icount)->AddEnvelope(volEnv[4], detElemId, true, TGeoTranslation(xEnv,yEnvP,kZp));
	    detElemId = (10+icount+1)*100+9;
	    GetEnvelopes(10+icount)->AddEnvelope(volEnv[13], detElemId, true, TGeoTranslation(-xEnv,yEnvM,kZm),TGeoRotation("rot1",90.,180.,90.,90.,180.,0.));

	    GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[4],iVolNum++,3, dpar);
	    GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[13],iVolNum++,3, dpar);	    

// chamber type B (plus envelope chambers B & C)   
	    xEnv = (kDXZERO+kXMAX/2.)*zRatio;
	    yEnvPsave = yEnvP;
	    yEnvMsave = yEnvM;
	    yEnvP = (yEnvMsave + kYMIN * zRatio ) * zpm + kYMIN * zRatio;
	    yEnvM = (yEnvPsave + kYMIN * zRatio ) * zmp + kYMIN * zRatio;
	    dpar[0] = ((kXMAX-kXMIN)/2.) * zRatio;
	    dpar[1] = ((kYMAX-kYMIN)/2.) * zRatio;
	    xpos = kXMIN/2. * zRatio;
	    ypos = (kYMIN - kYMIN/4.) * zRatio;

	    detElemId = (10+icount+1)*100+17;
	    GetEnvelopes(10+icount)->AddEnvelope(volEnv[3], detElemId, true, TGeoTranslation( xEnv,-yEnvM,kZm));	    
	    detElemId = (10+icount+1)*100+1;
	    GetEnvelopes(10+icount)->AddEnvelope(volEnv[5], detElemId, true, TGeoTranslation( xEnv, yEnvM,kZm));
	    detElemId = (10+icount+1)*100+10;
	    GetEnvelopes(10+icount)->AddEnvelope(volEnv[12], detElemId, true, TGeoTranslation(-xEnv,-yEnvP,kZp),TGeoRotation("rot1",90.,180.,90.,90.,180.,0.));
	    detElemId = (10+icount+1)*100+8;
	    GetEnvelopes(10+icount)->AddEnvelope(volEnv[14], detElemId, true, TGeoTranslation(-xEnv, yEnvP,kZp),TGeoRotation("rot1",90.,180.,90.,90.,180.,0.));

	    GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[3],iVolNum++,TGeoTranslation(xpos, ypos,0.),3,dpar);
	    GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[5],iVolNum++,TGeoTranslation(xpos,-ypos,0.),3,dpar);
	    GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[12],iVolNum++,TGeoTranslation(xpos, ypos,0.),3,dpar);
	    GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[14],iVolNum++,TGeoTranslation(xpos,-ypos,0.),3,dpar);

// chamber type C (note: same Z than type B)
	    dpar[0] = (kXMAX/2)*zRatio;
	    dpar[1] = (kYMAX/2)*zRatio;
	    xpos = 0.;	    
	    ypos = ((kYMAX - kYMIN)/2.) * zRatio;

	    GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[3],iVolNum++,TGeoTranslation(xpos,-ypos,0.),3,dpar);
	    GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[5],iVolNum++,TGeoTranslation(xpos, ypos,0.),3,dpar);
	    GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[12],iVolNum++,TGeoTranslation(xpos,-ypos,0.),3,dpar);
	    GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[14],iVolNum++,TGeoTranslation(xpos, ypos,0.),3,dpar);

// chamber type D, E and F (same size)
// D	    
	    yEnvPsave = yEnvP;
	    yEnvMsave = yEnvM;
	    yEnvP = (yEnvMsave + kYMIN * zRatio ) * zpm + kYMIN * zRatio;
	    yEnvM = (yEnvPsave + kYMIN * zRatio ) * zmp + kYMIN * zRatio;
	    dpar[0] = (kXMAX/2.)*zRatio;
	    dpar[1] =  kYMIN*zRatio;

	    detElemId = (10+icount+1)*100+16;
	    GetEnvelopes(10+icount)->AddEnvelope(volEnv[2], detElemId, true, TGeoTranslation(xEnv,-yEnvP,kZp));
	    detElemId = (10+icount+1)*100+2;
	    GetEnvelopes(10+icount)->AddEnvelope(volEnv[6], detElemId, true, TGeoTranslation(xEnv, yEnvP,kZp));
	    detElemId = (10+icount+1)*100+11;
            GetEnvelopes(10+icount)->AddEnvelope(volEnv[11], detElemId, true, TGeoTranslation(-xEnv,-yEnvM,kZm),TGeoRotation("rot1",90.,180.,90.,90.,180.,0.));
	    detElemId = (10+icount+1)*100+7;
            GetEnvelopes(10+icount)->AddEnvelope(volEnv[15], detElemId, true, TGeoTranslation(-xEnv, yEnvM,kZm),TGeoRotation("rot1",90.,180.,90.,90.,180.,0.));

	    GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[2],iVolNum++,3, dpar);
	    GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[6],iVolNum++,3, dpar);
	    GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[11],iVolNum++,3, dpar);
	    GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[15],iVolNum++,3, dpar);

// E
	    yEnvPsave = yEnvP;
	    yEnvMsave = yEnvM;
	    yEnvP = (yEnvMsave + kYMIN * zRatio ) * zpm + kYMIN * zRatio;
	    yEnvM = (yEnvPsave + kYMIN * zRatio ) * zmp + kYMIN * zRatio;

	    detElemId = (10+icount+1)*100+15;
	    GetEnvelopes(10+icount)->AddEnvelope(volEnv[1], detElemId, true, TGeoTranslation(xEnv,-yEnvM,kZm));
	    detElemId = (10+icount+1)*100+3;
	    GetEnvelopes(10+icount)->AddEnvelope(volEnv[7], detElemId, true, TGeoTranslation(xEnv, yEnvM,kZm));
	    detElemId = (10+icount+1)*100+12;
	    GetEnvelopes(10+icount)->AddEnvelope(volEnv[10], detElemId, true, TGeoTranslation(-xEnv,-yEnvP,kZp),TGeoRotation("rot1",90.,180.,90.,90.,180.,0.));
	    detElemId = (10+icount+1)*100+6;
	    GetEnvelopes(10+icount)->AddEnvelope(volEnv[16], detElemId, true, TGeoTranslation(-xEnv, yEnvP,kZp),TGeoRotation("rot1",90.,180.,90.,90.,180.,0.));

	    GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[1],iVolNum++,3,dpar);
	    GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[7],iVolNum++,3,dpar);
	    GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[10],iVolNum++,3,dpar);
	    GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[16],iVolNum++,3,dpar);


// F
	    yEnvPsave = yEnvP;
	    yEnvMsave = yEnvM;
	    yEnvP = (yEnvMsave + kYMIN * zRatio ) * zpm + kYMIN * zRatio;
	    yEnvM = (yEnvPsave + kYMIN * zRatio ) * zmp + kYMIN * zRatio;

	    detElemId = (10+icount+1)*100+14;
	    GetEnvelopes(10+icount)->AddEnvelope(volEnv[0], detElemId, true, TGeoTranslation(xEnv,-yEnvP,kZp));
	    detElemId = (10+icount+1)*100+4;
	    GetEnvelopes(10+icount)->AddEnvelope(volEnv[8], detElemId, true, TGeoTranslation(xEnv, yEnvP,kZp));
	    detElemId = (10+icount+1)*100+13;
	    GetEnvelopes(10+icount)->AddEnvelope(volEnv[9], detElemId, true, TGeoTranslation(-xEnv,-yEnvM,kZm),TGeoRotation("rot1",90.,180.,90.,90.,180.,0.));
	    detElemId = (10+icount+1)*100+5;
	    GetEnvelopes(10+icount)->AddEnvelope(volEnv[17], detElemId, true, TGeoTranslation(-xEnv, yEnvM,kZm),TGeoRotation("rot1",90.,180.,90.,90.,180.,0.));
	    
	    GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[0],iVolNum++,3,dpar);
	    GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[8],iVolNum++,3,dpar);
	    GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[9],iVolNum++,3,dpar);
	    GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[17],iVolNum++,3,dpar);

	} // end loop on detection planes
    } // end loop on stations    
}

//______________________________________________________________________________
void AliMUONTriggerGeometryBuilder::SetTransformations() 
{
// Defines the transformations for the trigger chambers.
// ---

    SetVolume(10, "SC11");
    SetVolume(11, "SC12");
    SetVolume(12, "SC13");
    SetVolume(13, "SC14");

    Double_t zpos1= AliMUONConstants::DefaultChamberZ(10); 
    SetTranslation(10, TGeoTranslation(0., 0., zpos1));
    
    zpos1= AliMUONConstants::DefaultChamberZ(11); 
    SetTranslation(11, TGeoTranslation(0., 0., zpos1));

    zpos1= AliMUONConstants::DefaultChamberZ(12); 
    SetTranslation(12, TGeoTranslation(0., 0., zpos1));

    zpos1= AliMUONConstants::DefaultChamberZ(13); 
    SetTranslation(13, TGeoTranslation(0., 0., zpos1));
}

//______________________________________________________________________________
void AliMUONTriggerGeometryBuilder::SetSensitiveVolumes()
{
// Defines the sensitive volumes for trigger station chambers.
// ---

  GetGeometry(10)->SetSensitiveVolume("S11G");
  GetGeometry(11)->SetSensitiveVolume("S12G");
  GetGeometry(12)->SetSensitiveVolume("S13G");
  GetGeometry(13)->SetSensitiveVolume("S14G");
}
Commit	Line	Data
30178c30	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	// $Id$
d1525c79	17
d1525c79	18	// -----------------------------------
d1cd2474	19	// Class AliMUONTriggerGeometryBuilder
d1cd2474	20	// -----------------------------------
d1525c79	21	// MUON Trigger stations geometry
	22	// construction class.
	23	// Author: Philippe Crochet (LPCCFd)
d1cd2474	24
	25	#include <TVirtualMC.h>
	26	#include <TGeoMatrix.h>
	27
e118b27e	28	#include "AliLog.h"
e118b27e	29
d1cd2474	30	#include "AliMUONTriggerGeometryBuilder.h"
d1cd2474	31	#include "AliMUON.h"
b7ef3c96	32	#include "AliMUONConstants.h"
e118b27e	33	#include "AliMUONGeometryModule.h"
a432117a	34	#include "AliMUONGeometryEnvelopeStore.h"
d1cd2474	35
	36	ClassImp(AliMUONTriggerGeometryBuilder)
	37
	38	//______________________________________________________________________________
	39	AliMUONTriggerGeometryBuilder::AliMUONTriggerGeometryBuilder(AliMUON* muon)
b7ef3c96	40	: AliMUONVGeometryBuilder(10, 11, 12, 13),
d1cd2474	41	fMUON(muon)
	42	{
	43	// Standard constructor
	44
	45	}
	46
	47	//______________________________________________________________________________
	48	AliMUONTriggerGeometryBuilder::AliMUONTriggerGeometryBuilder()
	49	: AliMUONVGeometryBuilder(),
	50	fMUON(0)
	51	{
	52	// Default constructor
	53	}
	54
	55
	56	//______________________________________________________________________________
	57	AliMUONTriggerGeometryBuilder::AliMUONTriggerGeometryBuilder(const AliMUONTriggerGeometryBuilder& rhs)
	58	: AliMUONVGeometryBuilder(rhs)
	59	{
30178c30	60	// Protected copy constructor
30178c30	61
8c343c7c	62	AliFatal("Copy constructor is not implemented.");
d1cd2474	63	}
	64
	65	//______________________________________________________________________________
	66	AliMUONTriggerGeometryBuilder::~AliMUONTriggerGeometryBuilder() {
	67	//
	68	}
	69
	70	//______________________________________________________________________________
	71	AliMUONTriggerGeometryBuilder&
	72	AliMUONTriggerGeometryBuilder::operator = (const AliMUONTriggerGeometryBuilder& rhs)
	73	{
30178c30	74	// Protected assignement operator
30178c30	75
d1cd2474	76	// check assignement to self
	77	if (this == &rhs) return *this;
	78
8c343c7c	79	AliFatal("Assignment operator is not implemented.");
d1cd2474	80
	81	return *this;
	82	}
	83
	84	//
	85	// public methods
	86	//
	87
	88	//______________________________________________________________________________
	89	void AliMUONTriggerGeometryBuilder::CreateGeometry()
	90	{
	91	// From AliMUONv1::CreateGeometry()
	92
	93	/*
	94	zpos1 and zpos2 are the middle of the first and second
	95	planes of station 1 (+1m for second station):
	96	zpos1=(zpos1m+zpos1p)/2=(15999+16071)/2=16035 mm, thick/2=40 mm
	97	zpos2=(zpos2m+zpos2p)/2=(16169+16241)/2=16205 mm, thick/2=40 mm
	98	zposxm and zposxp= middles of gaz gaps within a detection plane
	99	rem: the total thickness accounts for 1 mm of al on both
	100	side of the RPCs (see zpos1 and zpos2)
	101	*/
	102
	103	Int_t *idtmed = fMUON->GetIdtmed()->GetArray()-1099;
	104	Int_t idAir= idtmed[1100]; // medium 1
	105	Int_t idAlu1=idtmed[1103]; // medium 4
a432117a	106	Int_t detElemId=0; // Detection Element Number
d1cd2474	107	Float_t tpar[3];
	108	Double_t dpar[3];
	109
	110	// vertical gap between right and left chambers (kDXZERO*2=4cm)
	111	const Float_t kDXZERO=2.;
	112	// main distances for chamber definition in first plane/first station
	113	const Float_t kXMIN=34.;
	114	const Float_t kXMED=51.;
b6a52ffa	115	const Float_t kXMAX=255.;
b6a52ffa	116	// 090704 kXMAX changed from 272 to 255.
d1cd2474	117	// (see fig.2-4 & 2-5 of Local Trigger Board PRR)
b6a52ffa	118	// segmentation updated accordingly
d1cd2474	119	const Float_t kYMIN=34.;
	120	const Float_t kYMAX=51.;
	121	// inner/outer radius of flange between beam shield. and chambers (1/station)
936e7ca3	122	// const Float_t kRMIN[2]={50.,50.};
936e7ca3	123	// const Float_t kRMAX[2]={64.,68.};
d1cd2474	124	// z position of the middle of the gas gap in mother vol
d1cd2474	125	const Float_t kZm=-3.6;
65bcb249	126	const Float_t kZp=+3.6;
65bcb249	127
b7ef3c96	128	Float_t zpos1= AliMUONConstants::DefaultChamberZ(10);
	129	Double_t dstation = ( ( - AliMUONConstants::DefaultChamberZ(11)) -
	130	( - AliMUONConstants::DefaultChamberZ(10)) ) /2.1;
eb571c25	131	Float_t par[3];
	132	par[2] = dstation;
	133
d1cd2474	134	// ratio of zpos1m/zpos1p and inverse for first plane
	135	Float_t zmp=(zpos1-3.6)/(zpos1+3.6);
	136	Float_t zpm=1./zmp;
	137
	138	Int_t icount=0; // chamber counter (0 1 2 3)
	139
	140	for (Int_t istation=0; istation<2; istation++) { // loop on stations
	141	for (Int_t iplane=0; iplane<2; iplane++) { // loop on detection planes
	142
	143	Int_t iVolNum=1; // counter Volume Number
a04ce845	144	icount = Int_t(iplane<<0)+Int_t(istation<<1);
d1cd2474	145
b7ef3c96	146	par[0] = AliMUONConstants::Rmin(5+istation);
b7ef3c96	147	par[1] = AliMUONConstants::Rmax(5+istation);
eb571c25	148	Char_t volName[6];
e1d22736	149	sprintf(volName,"%s%d", "SC",11+icount);
eb571c25	150	gMC->Gsvolu(volName,"TUBE", idAir, par, 3);
eb1c3e3a	151	//SetVolume(10+icount, volName);
43adb63d	152	// Float_t zpos = AliMUONConstants::DefaultChamberZ(10+icount);
43adb63d	153
880610c7	154	/* removed 03/18/05
d1cd2474	155	// Flange between beam shielding and RPC
	156	tpar[0]= kRMIN[istation];
	157	tpar[1]= kRMAX[istation];
	158	tpar[2]= 4.0;
	159	char volFlange[5];
	160	sprintf(volFlange,"SF%dA",icount+1);
	161	gMC->Gsvolu(volFlange,"TUBE",idAlu1,tpar,3); // Al
	162	// changed by ivana
	163	//gMC->Gspos(volFlange,1,"ALIC",0.,0.,zpos,0,"MANY");
a432117a	164	iChamber->GetGeometry()->GetEnvelopeStore()
a432117a	165	->AddEnvelope(volFlange, 0, false, "MANY");
880610c7	166	*/
d1cd2474	167
d1cd2474	168	// scaling factor
43adb63d	169	// Float_t zRatio = zpos / zpos1;
	170	Float_t zRatio = AliMUONConstants::DefaultRatioTriggerChamber(icount);
	171
	172
	173
	174
d1cd2474	175	// envelopes (same size except line 5, all virtual)
	176	char volEnv[18][5];
	177	tpar[1] = kYMIN * zRatio;
	178	tpar[2] = 0.4;
	179	Int_t i=0; // counter
	180	for (Int_t icolumn=0; icolumn<2; icolumn++) {
	181	for (Int_t iline=1; iline<10; iline++){
	182	tpar[0] = (kXMAX/2.) * zRatio;
	183	if (iline==5) tpar[0] = ((kXMAX-kXMED)/2.)*zRatio;
	184	if (icolumn==0)
d1cd2474	185	sprintf(volEnv[i],"S%dR%d",icount,iline);
528abf6f	186	else
528abf6f	187	sprintf(volEnv[i],"S%dL%d",icount,iline);
eb1c3e3a	188	// gMC->Gsvolu(volEnv[i],"BOX",idAir,tpar,0);
d1cd2474	189	i++;
	190	}
	191	}
	192
	193	// chamber prototype
	194	tpar[0]= 0.;
	195	tpar[1]= 0.;
936e7ca3	196	tpar[2]= 0.; char volAlu[5]; // Alu
d1cd2474	197	char volBak[5]; // Bakelite
	198	char volGaz[5]; // Gas streamer
	199	sprintf(volAlu,"SC%dA",icount+1);
	200	sprintf(volBak,"SB%dA",icount+1);
eb571c25	201	sprintf(volGaz,"S%dG",icount+11);
d1cd2474	202	gMC->Gsvolu(volAlu,"BOX",idAlu1,tpar,0); // Al
	203	gMC->Gsvolu(volBak,"BOX",idtmed[1107],tpar,0); // Bakelite
	204	gMC->Gsvolu(volGaz,"BOX",idtmed[1106],tpar,0); // Gas streamer
	205	tpar[0] = -1.;
	206	tpar[1] = -1.;
	207	tpar[2] = 0.1;
	208	gMC->Gsposp(volGaz,1,volBak,0.,0.,0.,0,"ONLY",tpar,3);
	209	tpar[2] = 0.3;
	210	gMC->Gsposp(volBak,1,volAlu,0.,0.,0.,0,"ONLY",tpar,3);
	211
	212	// chamber type A
	213	Float_t xEnv = (kDXZERO+kXMED+(kXMAX-kXMED)/2.)*zRatio;
	214	Float_t yEnvM = 0.; // y low position of envelope in chamber
	215	Float_t yEnvP = 0.; // y up position of envelope in chamber
	216	Float_t yEnvPsave = 0.; // tmp data
	217	Float_t yEnvMsave = 0.; // tmp data
	218	Float_t xpos = 0.; // x position of RPC in envelope
	219	Float_t ypos = 0.; // y position of RPC in envelope
	220	dpar[2] = 0.4;
	221	dpar[0] = ((kXMAX-kXMED)/2.)*zRatio;
	222	dpar[1] = kYMIN * zRatio;
	223
65bcb249	224	detElemId = (10+icount+1)*100;
8bd68448	225	GetEnvelopes(10+icount)->AddEnvelope(volEnv[4], detElemId, true, TGeoTranslation(xEnv,yEnvP,kZp));
65bcb249	226	detElemId = (10+icount+1)*100+9;
8bd68448	227	GetEnvelopes(10+icount)->AddEnvelope(volEnv[13], detElemId, true, TGeoTranslation(-xEnv,yEnvM,kZm),TGeoRotation("rot1",90.,180.,90.,90.,180.,0.));
d1cd2474	228
a432117a	229	GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[4],iVolNum++,3, dpar);
a432117a	230	GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[13],iVolNum++,3, dpar);
d1cd2474	231
	232	// chamber type B (plus envelope chambers B & C)
	233	xEnv = (kDXZERO+kXMAX/2.)*zRatio;
	234	yEnvPsave = yEnvP;
	235	yEnvMsave = yEnvM;
	236	yEnvP = (yEnvMsave + kYMIN * zRatio ) * zpm + kYMIN * zRatio;
	237	yEnvM = (yEnvPsave + kYMIN * zRatio ) * zmp + kYMIN * zRatio;
	238	dpar[0] = ((kXMAX-kXMIN)/2.) * zRatio;
	239	dpar[1] = ((kYMAX-kYMIN)/2.) * zRatio;
	240	xpos = kXMIN/2. * zRatio;
	241	ypos = (kYMIN - kYMIN/4.) * zRatio;
	242
65bcb249	243	detElemId = (10+icount+1)*100+17;
	244	GetEnvelopes(10+icount)->AddEnvelope(volEnv[3], detElemId, true, TGeoTranslation( xEnv,-yEnvM,kZm));
	245	detElemId = (10+icount+1)*100+1;
8bd68448	246	GetEnvelopes(10+icount)->AddEnvelope(volEnv[5], detElemId, true, TGeoTranslation( xEnv, yEnvM,kZm));
65bcb249	247	detElemId = (10+icount+1)*100+10;
8bd68448	248	GetEnvelopes(10+icount)->AddEnvelope(volEnv[12], detElemId, true, TGeoTranslation(-xEnv,-yEnvP,kZp),TGeoRotation("rot1",90.,180.,90.,90.,180.,0.));
65bcb249	249	detElemId = (10+icount+1)*100+8;
8bd68448	250	GetEnvelopes(10+icount)->AddEnvelope(volEnv[14], detElemId, true, TGeoTranslation(-xEnv, yEnvP,kZp),TGeoRotation("rot1",90.,180.,90.,90.,180.,0.));
d1cd2474	251
a432117a	252	GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[3],iVolNum++,TGeoTranslation(xpos, ypos,0.),3,dpar);
a432117a	253	GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[5],iVolNum++,TGeoTranslation(xpos,-ypos,0.),3,dpar);
298c0899	254	GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[12],iVolNum++,TGeoTranslation(xpos, ypos,0.),3,dpar);
298c0899	255	GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[14],iVolNum++,TGeoTranslation(xpos,-ypos,0.),3,dpar);
d1cd2474	256
	257	// chamber type C (note: same Z than type B)
	258	dpar[0] = (kXMAX/2)*zRatio;
	259	dpar[1] = (kYMAX/2)*zRatio;
	260	xpos = 0.;
	261	ypos = ((kYMAX - kYMIN)/2.) * zRatio;
	262
a432117a	263	GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[3],iVolNum++,TGeoTranslation(xpos,-ypos,0.),3,dpar);
a432117a	264	GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[5],iVolNum++,TGeoTranslation(xpos, ypos,0.),3,dpar);
298c0899	265	GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[12],iVolNum++,TGeoTranslation(xpos,-ypos,0.),3,dpar);
298c0899	266	GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[14],iVolNum++,TGeoTranslation(xpos, ypos,0.),3,dpar);
880610c7	267
d1cd2474	268	// chamber type D, E and F (same size)
	269	// D
	270	yEnvPsave = yEnvP;
	271	yEnvMsave = yEnvM;
	272	yEnvP = (yEnvMsave + kYMIN * zRatio ) * zpm + kYMIN * zRatio;
	273	yEnvM = (yEnvPsave + kYMIN * zRatio ) * zmp + kYMIN * zRatio;
	274	dpar[0] = (kXMAX/2.)*zRatio;
	275	dpar[1] = kYMIN*zRatio;
	276
65bcb249	277	detElemId = (10+icount+1)*100+16;
8bd68448	278	GetEnvelopes(10+icount)->AddEnvelope(volEnv[2], detElemId, true, TGeoTranslation(xEnv,-yEnvP,kZp));
65bcb249	279	detElemId = (10+icount+1)*100+2;
8bd68448	280	GetEnvelopes(10+icount)->AddEnvelope(volEnv[6], detElemId, true, TGeoTranslation(xEnv, yEnvP,kZp));
65bcb249	281	detElemId = (10+icount+1)*100+11;
8bd68448	282	GetEnvelopes(10+icount)->AddEnvelope(volEnv[11], detElemId, true, TGeoTranslation(-xEnv,-yEnvM,kZm),TGeoRotation("rot1",90.,180.,90.,90.,180.,0.));
65bcb249	283	detElemId = (10+icount+1)*100+7;
8bd68448	284	GetEnvelopes(10+icount)->AddEnvelope(volEnv[15], detElemId, true, TGeoTranslation(-xEnv, yEnvM,kZm),TGeoRotation("rot1",90.,180.,90.,90.,180.,0.));
d1cd2474	285
a432117a	286	GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[2],iVolNum++,3, dpar);
	287	GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[6],iVolNum++,3, dpar);
	288	GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[11],iVolNum++,3, dpar);
	289	GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[15],iVolNum++,3, dpar);
d1cd2474	290
	291	// E
	292	yEnvPsave = yEnvP;
	293	yEnvMsave = yEnvM;
	294	yEnvP = (yEnvMsave + kYMIN * zRatio ) * zpm + kYMIN * zRatio;
	295	yEnvM = (yEnvPsave + kYMIN * zRatio ) * zmp + kYMIN * zRatio;
	296
65bcb249	297	detElemId = (10+icount+1)*100+15;
8bd68448	298	GetEnvelopes(10+icount)->AddEnvelope(volEnv[1], detElemId, true, TGeoTranslation(xEnv,-yEnvM,kZm));
65bcb249	299	detElemId = (10+icount+1)*100+3;
8bd68448	300	GetEnvelopes(10+icount)->AddEnvelope(volEnv[7], detElemId, true, TGeoTranslation(xEnv, yEnvM,kZm));
65bcb249	301	detElemId = (10+icount+1)*100+12;
8bd68448	302	GetEnvelopes(10+icount)->AddEnvelope(volEnv[10], detElemId, true, TGeoTranslation(-xEnv,-yEnvP,kZp),TGeoRotation("rot1",90.,180.,90.,90.,180.,0.));
65bcb249	303	detElemId = (10+icount+1)*100+6;
8bd68448	304	GetEnvelopes(10+icount)->AddEnvelope(volEnv[16], detElemId, true, TGeoTranslation(-xEnv, yEnvP,kZp),TGeoRotation("rot1",90.,180.,90.,90.,180.,0.));
d1cd2474	305
a432117a	306	GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[1],iVolNum++,3,dpar);
	307	GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[7],iVolNum++,3,dpar);
	308	GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[10],iVolNum++,3,dpar);
	309	GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[16],iVolNum++,3,dpar);
d1cd2474	310
	311
	312	// F
	313	yEnvPsave = yEnvP;
	314	yEnvMsave = yEnvM;
	315	yEnvP = (yEnvMsave + kYMIN * zRatio ) * zpm + kYMIN * zRatio;
	316	yEnvM = (yEnvPsave + kYMIN * zRatio ) * zmp + kYMIN * zRatio;
	317
65bcb249	318	detElemId = (10+icount+1)*100+14;
8bd68448	319	GetEnvelopes(10+icount)->AddEnvelope(volEnv[0], detElemId, true, TGeoTranslation(xEnv,-yEnvP,kZp));
65bcb249	320	detElemId = (10+icount+1)*100+4;
8bd68448	321	GetEnvelopes(10+icount)->AddEnvelope(volEnv[8], detElemId, true, TGeoTranslation(xEnv, yEnvP,kZp));
65bcb249	322	detElemId = (10+icount+1)*100+13;
8bd68448	323	GetEnvelopes(10+icount)->AddEnvelope(volEnv[9], detElemId, true, TGeoTranslation(-xEnv,-yEnvM,kZm),TGeoRotation("rot1",90.,180.,90.,90.,180.,0.));
65bcb249	324	detElemId = (10+icount+1)*100+5;
8bd68448	325	GetEnvelopes(10+icount)->AddEnvelope(volEnv[17], detElemId, true, TGeoTranslation(-xEnv, yEnvM,kZm),TGeoRotation("rot1",90.,180.,90.,90.,180.,0.));
528abf6f	326
a432117a	327	GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[0],iVolNum++,3,dpar);
	328	GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[8],iVolNum++,3,dpar);
	329	GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[9],iVolNum++,3,dpar);
	330	GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[17],iVolNum++,3,dpar);
d1cd2474	331
	332	} // end loop on detection planes
	333	} // end loop on stations
	334	}
	335
	336	//______________________________________________________________________________
	337	void AliMUONTriggerGeometryBuilder::SetTransformations()
	338	{
	339	// Defines the transformations for the trigger chambers.
	340	// ---
d1cd2474	341
eb1c3e3a	342	SetVolume(10, "SC11");
	343	SetVolume(11, "SC12");
	344	SetVolume(12, "SC13");
	345	SetVolume(13, "SC14");
	346
b7ef3c96	347	Double_t zpos1= AliMUONConstants::DefaultChamberZ(10);
b7ef3c96	348	SetTranslation(10, TGeoTranslation(0., 0., zpos1));
d1cd2474	349
b7ef3c96	350	zpos1= AliMUONConstants::DefaultChamberZ(11);
	351	SetTranslation(11, TGeoTranslation(0., 0., zpos1));
	352
	353	zpos1= AliMUONConstants::DefaultChamberZ(12);
	354	SetTranslation(12, TGeoTranslation(0., 0., zpos1));
	355
	356	zpos1= AliMUONConstants::DefaultChamberZ(13);
	357	SetTranslation(13, TGeoTranslation(0., 0., zpos1));
d1cd2474	358	}
	359
	360	//______________________________________________________________________________
	361	void AliMUONTriggerGeometryBuilder::SetSensitiveVolumes()
	362	{
	363	// Defines the sensitive volumes for trigger station chambers.
	364	// ---
	365
eb571c25	366	GetGeometry(10)->SetSensitiveVolume("S11G");
	367	GetGeometry(11)->SetSensitiveVolume("S12G");
	368	GetGeometry(12)->SetSensitiveVolume("S13G");
	369	GetGeometry(13)->SetSensitiveVolume("S14G");
d1cd2474	370	}
d1cd2474	371