[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 "AliRun.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.
// ---

    if (gAlice->GetModule("SHIL")) {
      SetMotherVolume(10, "YOUT2");
      SetMotherVolume(11, "YOUT2");
      SetMotherVolume(12, "YOUT2");
      SetMotherVolume(13, "YOUT2");
    }  

    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"
c0404a6c	29	#include "AliRun.h"
e118b27e	30
d1cd2474	31	#include "AliMUONTriggerGeometryBuilder.h"
d1cd2474	32	#include "AliMUON.h"
b7ef3c96	33	#include "AliMUONConstants.h"
e118b27e	34	#include "AliMUONGeometryModule.h"
a432117a	35	#include "AliMUONGeometryEnvelopeStore.h"
d1cd2474	36
	37	ClassImp(AliMUONTriggerGeometryBuilder)
	38
	39	//______________________________________________________________________________
	40	AliMUONTriggerGeometryBuilder::AliMUONTriggerGeometryBuilder(AliMUON* muon)
b7ef3c96	41	: AliMUONVGeometryBuilder(10, 11, 12, 13),
d1cd2474	42	fMUON(muon)
	43	{
	44	// Standard constructor
	45
	46	}
	47
	48	//______________________________________________________________________________
	49	AliMUONTriggerGeometryBuilder::AliMUONTriggerGeometryBuilder()
	50	: AliMUONVGeometryBuilder(),
	51	fMUON(0)
	52	{
	53	// Default constructor
	54	}
	55
	56
	57	//______________________________________________________________________________
	58	AliMUONTriggerGeometryBuilder::AliMUONTriggerGeometryBuilder(const AliMUONTriggerGeometryBuilder& rhs)
	59	: AliMUONVGeometryBuilder(rhs)
	60	{
30178c30	61	// Protected copy constructor
30178c30	62
8c343c7c	63	AliFatal("Copy constructor is not implemented.");
d1cd2474	64	}
	65
	66	//______________________________________________________________________________
	67	AliMUONTriggerGeometryBuilder::~AliMUONTriggerGeometryBuilder() {
	68	//
	69	}
	70
	71	//______________________________________________________________________________
	72	AliMUONTriggerGeometryBuilder&
	73	AliMUONTriggerGeometryBuilder::operator = (const AliMUONTriggerGeometryBuilder& rhs)
	74	{
30178c30	75	// Protected assignement operator
30178c30	76
d1cd2474	77	// check assignement to self
	78	if (this == &rhs) return *this;
	79
8c343c7c	80	AliFatal("Assignment operator is not implemented.");
d1cd2474	81
	82	return *this;
	83	}
	84
	85	//
	86	// public methods
	87	//
	88
	89	//______________________________________________________________________________
	90	void AliMUONTriggerGeometryBuilder::CreateGeometry()
	91	{
	92	// From AliMUONv1::CreateGeometry()
	93
	94	/*
	95	zpos1 and zpos2 are the middle of the first and second
	96	planes of station 1 (+1m for second station):
	97	zpos1=(zpos1m+zpos1p)/2=(15999+16071)/2=16035 mm, thick/2=40 mm
	98	zpos2=(zpos2m+zpos2p)/2=(16169+16241)/2=16205 mm, thick/2=40 mm
	99	zposxm and zposxp= middles of gaz gaps within a detection plane
	100	rem: the total thickness accounts for 1 mm of al on both
	101	side of the RPCs (see zpos1 and zpos2)
	102	*/
	103
	104	Int_t *idtmed = fMUON->GetIdtmed()->GetArray()-1099;
	105	Int_t idAir= idtmed[1100]; // medium 1
	106	Int_t idAlu1=idtmed[1103]; // medium 4
a432117a	107	Int_t detElemId=0; // Detection Element Number
d1cd2474	108	Float_t tpar[3];
	109	Double_t dpar[3];
	110
	111	// vertical gap between right and left chambers (kDXZERO*2=4cm)
	112	const Float_t kDXZERO=2.;
	113	// main distances for chamber definition in first plane/first station
	114	const Float_t kXMIN=34.;
	115	const Float_t kXMED=51.;
b6a52ffa	116	const Float_t kXMAX=255.;
b6a52ffa	117	// 090704 kXMAX changed from 272 to 255.
d1cd2474	118	// (see fig.2-4 & 2-5 of Local Trigger Board PRR)
b6a52ffa	119	// segmentation updated accordingly
d1cd2474	120	const Float_t kYMIN=34.;
	121	const Float_t kYMAX=51.;
	122	// inner/outer radius of flange between beam shield. and chambers (1/station)
936e7ca3	123	// const Float_t kRMIN[2]={50.,50.};
936e7ca3	124	// const Float_t kRMAX[2]={64.,68.};
d1cd2474	125	// z position of the middle of the gas gap in mother vol
d1cd2474	126	const Float_t kZm=-3.6;
65bcb249	127	const Float_t kZp=+3.6;
65bcb249	128
b7ef3c96	129	Float_t zpos1= AliMUONConstants::DefaultChamberZ(10);
	130	Double_t dstation = ( ( - AliMUONConstants::DefaultChamberZ(11)) -
	131	( - AliMUONConstants::DefaultChamberZ(10)) ) /2.1;
eb571c25	132	Float_t par[3];
	133	par[2] = dstation;
	134
d1cd2474	135	// ratio of zpos1m/zpos1p and inverse for first plane
	136	Float_t zmp=(zpos1-3.6)/(zpos1+3.6);
	137	Float_t zpm=1./zmp;
	138
	139	Int_t icount=0; // chamber counter (0 1 2 3)
	140
	141	for (Int_t istation=0; istation<2; istation++) { // loop on stations
	142	for (Int_t iplane=0; iplane<2; iplane++) { // loop on detection planes
	143
	144	Int_t iVolNum=1; // counter Volume Number
a04ce845	145	icount = Int_t(iplane<<0)+Int_t(istation<<1);
d1cd2474	146
b7ef3c96	147	par[0] = AliMUONConstants::Rmin(5+istation);
b7ef3c96	148	par[1] = AliMUONConstants::Rmax(5+istation);
eb571c25	149	Char_t volName[6];
e1d22736	150	sprintf(volName,"%s%d", "SC",11+icount);
eb571c25	151	gMC->Gsvolu(volName,"TUBE", idAir, par, 3);
eb1c3e3a	152	//SetVolume(10+icount, volName);
43adb63d	153	// Float_t zpos = AliMUONConstants::DefaultChamberZ(10+icount);
43adb63d	154
880610c7	155	/* removed 03/18/05
d1cd2474	156	// Flange between beam shielding and RPC
	157	tpar[0]= kRMIN[istation];
	158	tpar[1]= kRMAX[istation];
	159	tpar[2]= 4.0;
	160	char volFlange[5];
	161	sprintf(volFlange,"SF%dA",icount+1);
	162	gMC->Gsvolu(volFlange,"TUBE",idAlu1,tpar,3); // Al
	163	// changed by ivana
	164	//gMC->Gspos(volFlange,1,"ALIC",0.,0.,zpos,0,"MANY");
a432117a	165	iChamber->GetGeometry()->GetEnvelopeStore()
a432117a	166	->AddEnvelope(volFlange, 0, false, "MANY");
880610c7	167	*/
d1cd2474	168
d1cd2474	169	// scaling factor
43adb63d	170	// Float_t zRatio = zpos / zpos1;
	171	Float_t zRatio = AliMUONConstants::DefaultRatioTriggerChamber(icount);
	172
	173
	174
	175
d1cd2474	176	// envelopes (same size except line 5, all virtual)
	177	char volEnv[18][5];
	178	tpar[1] = kYMIN * zRatio;
	179	tpar[2] = 0.4;
	180	Int_t i=0; // counter
	181	for (Int_t icolumn=0; icolumn<2; icolumn++) {
	182	for (Int_t iline=1; iline<10; iline++){
	183	tpar[0] = (kXMAX/2.) * zRatio;
	184	if (iline==5) tpar[0] = ((kXMAX-kXMED)/2.)*zRatio;
	185	if (icolumn==0)
d1cd2474	186	sprintf(volEnv[i],"S%dR%d",icount,iline);
528abf6f	187	else
528abf6f	188	sprintf(volEnv[i],"S%dL%d",icount,iline);
eb1c3e3a	189	// gMC->Gsvolu(volEnv[i],"BOX",idAir,tpar,0);
d1cd2474	190	i++;
	191	}
	192	}
	193
	194	// chamber prototype
	195	tpar[0]= 0.;
	196	tpar[1]= 0.;
936e7ca3	197	tpar[2]= 0.; char volAlu[5]; // Alu
d1cd2474	198	char volBak[5]; // Bakelite
	199	char volGaz[5]; // Gas streamer
	200	sprintf(volAlu,"SC%dA",icount+1);
	201	sprintf(volBak,"SB%dA",icount+1);
eb571c25	202	sprintf(volGaz,"S%dG",icount+11);
d1cd2474	203	gMC->Gsvolu(volAlu,"BOX",idAlu1,tpar,0); // Al
	204	gMC->Gsvolu(volBak,"BOX",idtmed[1107],tpar,0); // Bakelite
	205	gMC->Gsvolu(volGaz,"BOX",idtmed[1106],tpar,0); // Gas streamer
	206	tpar[0] = -1.;
	207	tpar[1] = -1.;
	208	tpar[2] = 0.1;
	209	gMC->Gsposp(volGaz,1,volBak,0.,0.,0.,0,"ONLY",tpar,3);
	210	tpar[2] = 0.3;
	211	gMC->Gsposp(volBak,1,volAlu,0.,0.,0.,0,"ONLY",tpar,3);
	212
	213	// chamber type A
	214	Float_t xEnv = (kDXZERO+kXMED+(kXMAX-kXMED)/2.)*zRatio;
	215	Float_t yEnvM = 0.; // y low position of envelope in chamber
	216	Float_t yEnvP = 0.; // y up position of envelope in chamber
	217	Float_t yEnvPsave = 0.; // tmp data
	218	Float_t yEnvMsave = 0.; // tmp data
	219	Float_t xpos = 0.; // x position of RPC in envelope
	220	Float_t ypos = 0.; // y position of RPC in envelope
	221	dpar[2] = 0.4;
	222	dpar[0] = ((kXMAX-kXMED)/2.)*zRatio;
	223	dpar[1] = kYMIN * zRatio;
	224
65bcb249	225	detElemId = (10+icount+1)*100;
8bd68448	226	GetEnvelopes(10+icount)->AddEnvelope(volEnv[4], detElemId, true, TGeoTranslation(xEnv,yEnvP,kZp));
65bcb249	227	detElemId = (10+icount+1)*100+9;
8bd68448	228	GetEnvelopes(10+icount)->AddEnvelope(volEnv[13], detElemId, true, TGeoTranslation(-xEnv,yEnvM,kZm),TGeoRotation("rot1",90.,180.,90.,90.,180.,0.));
d1cd2474	229
a432117a	230	GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[4],iVolNum++,3, dpar);
a432117a	231	GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[13],iVolNum++,3, dpar);
d1cd2474	232
	233	// chamber type B (plus envelope chambers B & C)
	234	xEnv = (kDXZERO+kXMAX/2.)*zRatio;
	235	yEnvPsave = yEnvP;
	236	yEnvMsave = yEnvM;
	237	yEnvP = (yEnvMsave + kYMIN * zRatio ) * zpm + kYMIN * zRatio;
	238	yEnvM = (yEnvPsave + kYMIN * zRatio ) * zmp + kYMIN * zRatio;
	239	dpar[0] = ((kXMAX-kXMIN)/2.) * zRatio;
	240	dpar[1] = ((kYMAX-kYMIN)/2.) * zRatio;
	241	xpos = kXMIN/2. * zRatio;
	242	ypos = (kYMIN - kYMIN/4.) * zRatio;
	243
65bcb249	244	detElemId = (10+icount+1)*100+17;
	245	GetEnvelopes(10+icount)->AddEnvelope(volEnv[3], detElemId, true, TGeoTranslation( xEnv,-yEnvM,kZm));
	246	detElemId = (10+icount+1)*100+1;
8bd68448	247	GetEnvelopes(10+icount)->AddEnvelope(volEnv[5], detElemId, true, TGeoTranslation( xEnv, yEnvM,kZm));
65bcb249	248	detElemId = (10+icount+1)*100+10;
8bd68448	249	GetEnvelopes(10+icount)->AddEnvelope(volEnv[12], detElemId, true, TGeoTranslation(-xEnv,-yEnvP,kZp),TGeoRotation("rot1",90.,180.,90.,90.,180.,0.));
65bcb249	250	detElemId = (10+icount+1)*100+8;
8bd68448	251	GetEnvelopes(10+icount)->AddEnvelope(volEnv[14], detElemId, true, TGeoTranslation(-xEnv, yEnvP,kZp),TGeoRotation("rot1",90.,180.,90.,90.,180.,0.));
d1cd2474	252
a432117a	253	GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[3],iVolNum++,TGeoTranslation(xpos, ypos,0.),3,dpar);
a432117a	254	GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[5],iVolNum++,TGeoTranslation(xpos,-ypos,0.),3,dpar);
298c0899	255	GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[12],iVolNum++,TGeoTranslation(xpos, ypos,0.),3,dpar);
298c0899	256	GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[14],iVolNum++,TGeoTranslation(xpos,-ypos,0.),3,dpar);
d1cd2474	257
	258	// chamber type C (note: same Z than type B)
	259	dpar[0] = (kXMAX/2)*zRatio;
	260	dpar[1] = (kYMAX/2)*zRatio;
	261	xpos = 0.;
	262	ypos = ((kYMAX - kYMIN)/2.) * zRatio;
	263
a432117a	264	GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[3],iVolNum++,TGeoTranslation(xpos,-ypos,0.),3,dpar);
a432117a	265	GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[5],iVolNum++,TGeoTranslation(xpos, ypos,0.),3,dpar);
298c0899	266	GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[12],iVolNum++,TGeoTranslation(xpos,-ypos,0.),3,dpar);
298c0899	267	GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[14],iVolNum++,TGeoTranslation(xpos, ypos,0.),3,dpar);
880610c7	268
d1cd2474	269	// chamber type D, E and F (same size)
	270	// D
	271	yEnvPsave = yEnvP;
	272	yEnvMsave = yEnvM;
	273	yEnvP = (yEnvMsave + kYMIN * zRatio ) * zpm + kYMIN * zRatio;
	274	yEnvM = (yEnvPsave + kYMIN * zRatio ) * zmp + kYMIN * zRatio;
	275	dpar[0] = (kXMAX/2.)*zRatio;
	276	dpar[1] = kYMIN*zRatio;
	277
65bcb249	278	detElemId = (10+icount+1)*100+16;
8bd68448	279	GetEnvelopes(10+icount)->AddEnvelope(volEnv[2], detElemId, true, TGeoTranslation(xEnv,-yEnvP,kZp));
65bcb249	280	detElemId = (10+icount+1)*100+2;
8bd68448	281	GetEnvelopes(10+icount)->AddEnvelope(volEnv[6], detElemId, true, TGeoTranslation(xEnv, yEnvP,kZp));
65bcb249	282	detElemId = (10+icount+1)*100+11;
8bd68448	283	GetEnvelopes(10+icount)->AddEnvelope(volEnv[11], detElemId, true, TGeoTranslation(-xEnv,-yEnvM,kZm),TGeoRotation("rot1",90.,180.,90.,90.,180.,0.));
65bcb249	284	detElemId = (10+icount+1)*100+7;
8bd68448	285	GetEnvelopes(10+icount)->AddEnvelope(volEnv[15], detElemId, true, TGeoTranslation(-xEnv, yEnvM,kZm),TGeoRotation("rot1",90.,180.,90.,90.,180.,0.));
d1cd2474	286
a432117a	287	GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[2],iVolNum++,3, dpar);
	288	GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[6],iVolNum++,3, dpar);
	289	GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[11],iVolNum++,3, dpar);
	290	GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[15],iVolNum++,3, dpar);
d1cd2474	291
	292	// E
	293	yEnvPsave = yEnvP;
	294	yEnvMsave = yEnvM;
	295	yEnvP = (yEnvMsave + kYMIN * zRatio ) * zpm + kYMIN * zRatio;
	296	yEnvM = (yEnvPsave + kYMIN * zRatio ) * zmp + kYMIN * zRatio;
	297
65bcb249	298	detElemId = (10+icount+1)*100+15;
8bd68448	299	GetEnvelopes(10+icount)->AddEnvelope(volEnv[1], detElemId, true, TGeoTranslation(xEnv,-yEnvM,kZm));
65bcb249	300	detElemId = (10+icount+1)*100+3;
8bd68448	301	GetEnvelopes(10+icount)->AddEnvelope(volEnv[7], detElemId, true, TGeoTranslation(xEnv, yEnvM,kZm));
65bcb249	302	detElemId = (10+icount+1)*100+12;
8bd68448	303	GetEnvelopes(10+icount)->AddEnvelope(volEnv[10], detElemId, true, TGeoTranslation(-xEnv,-yEnvP,kZp),TGeoRotation("rot1",90.,180.,90.,90.,180.,0.));
65bcb249	304	detElemId = (10+icount+1)*100+6;
8bd68448	305	GetEnvelopes(10+icount)->AddEnvelope(volEnv[16], detElemId, true, TGeoTranslation(-xEnv, yEnvP,kZp),TGeoRotation("rot1",90.,180.,90.,90.,180.,0.));
d1cd2474	306
a432117a	307	GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[1],iVolNum++,3,dpar);
	308	GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[7],iVolNum++,3,dpar);
	309	GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[10],iVolNum++,3,dpar);
	310	GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[16],iVolNum++,3,dpar);
d1cd2474	311
	312
	313	// F
	314	yEnvPsave = yEnvP;
	315	yEnvMsave = yEnvM;
	316	yEnvP = (yEnvMsave + kYMIN * zRatio ) * zpm + kYMIN * zRatio;
	317	yEnvM = (yEnvPsave + kYMIN * zRatio ) * zmp + kYMIN * zRatio;
	318
65bcb249	319	detElemId = (10+icount+1)*100+14;
8bd68448	320	GetEnvelopes(10+icount)->AddEnvelope(volEnv[0], detElemId, true, TGeoTranslation(xEnv,-yEnvP,kZp));
65bcb249	321	detElemId = (10+icount+1)*100+4;
8bd68448	322	GetEnvelopes(10+icount)->AddEnvelope(volEnv[8], detElemId, true, TGeoTranslation(xEnv, yEnvP,kZp));
65bcb249	323	detElemId = (10+icount+1)*100+13;
8bd68448	324	GetEnvelopes(10+icount)->AddEnvelope(volEnv[9], detElemId, true, TGeoTranslation(-xEnv,-yEnvM,kZm),TGeoRotation("rot1",90.,180.,90.,90.,180.,0.));
65bcb249	325	detElemId = (10+icount+1)*100+5;
8bd68448	326	GetEnvelopes(10+icount)->AddEnvelope(volEnv[17], detElemId, true, TGeoTranslation(-xEnv, yEnvM,kZm),TGeoRotation("rot1",90.,180.,90.,90.,180.,0.));
528abf6f	327
a432117a	328	GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[0],iVolNum++,3,dpar);
	329	GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[8],iVolNum++,3,dpar);
	330	GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[9],iVolNum++,3,dpar);
	331	GetEnvelopes(10+icount)->AddEnvelopeConstituentParam(volAlu,volEnv[17],iVolNum++,3,dpar);
d1cd2474	332
	333	} // end loop on detection planes
	334	} // end loop on stations
	335	}
	336
	337	//______________________________________________________________________________
	338	void AliMUONTriggerGeometryBuilder::SetTransformations()
	339	{
	340	// Defines the transformations for the trigger chambers.
	341	// ---
d1cd2474	342
c0404a6c	343	if (gAlice->GetModule("SHIL")) {
	344	SetMotherVolume(10, "YOUT2");
	345	SetMotherVolume(11, "YOUT2");
	346	SetMotherVolume(12, "YOUT2");
	347	SetMotherVolume(13, "YOUT2");
	348	}
	349
eb1c3e3a	350	SetVolume(10, "SC11");
	351	SetVolume(11, "SC12");
	352	SetVolume(12, "SC13");
	353	SetVolume(13, "SC14");
	354
b7ef3c96	355	Double_t zpos1= AliMUONConstants::DefaultChamberZ(10);
b7ef3c96	356	SetTranslation(10, TGeoTranslation(0., 0., zpos1));
d1cd2474	357
b7ef3c96	358	zpos1= AliMUONConstants::DefaultChamberZ(11);
	359	SetTranslation(11, TGeoTranslation(0., 0., zpos1));
	360
	361	zpos1= AliMUONConstants::DefaultChamberZ(12);
	362	SetTranslation(12, TGeoTranslation(0., 0., zpos1));
	363
	364	zpos1= AliMUONConstants::DefaultChamberZ(13);
	365	SetTranslation(13, TGeoTranslation(0., 0., zpos1));
d1cd2474	366	}
	367
	368	//______________________________________________________________________________
	369	void AliMUONTriggerGeometryBuilder::SetSensitiveVolumes()
	370	{
	371	// Defines the sensitive volumes for trigger station chambers.
	372	// ---
	373
eb571c25	374	GetGeometry(10)->SetSensitiveVolume("S11G");
	375	GetGeometry(11)->SetSensitiveVolume("S12G");
	376	GetGeometry(12)->SetSensitiveVolume("S13G");
	377	GetGeometry(13)->SetSensitiveVolume("S14G");
d1cd2474	378	}
d1cd2474	379