[u/mrichter/AliRoot.git] / EMCAL / AliEMCALv0.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.                  *
 **************************************************************************/
/* $Id$ */

//_________________________________________________________________________
// Implementation version v0 of EMCAL Manager class 
// An object of this class does not produce hits nor digits
// It is the one to use if you do not want to produce outputs in TREEH or TREED
// This class places a Geometry of the EMCAL in the ALICE Detector as defined in AliEMCALGeometry.cxx                 
//*-- Author: Yves Schutz (SUBATECH)
//*-- and   : Sahal Yacoob (LBL / UCT)

// This Version of AliEMCALv0 reduces the number of volumes placed in XEN1 (the envelope) to less than five hundred
// The Envelope is Placed in Alice, And the Aluminium layer. Mini envelopes (XU) are then placed in XEN1.
// Each mini envelope contains 2 scintillator, and 2 lead layers, except the last one which contains just one scintillator layer.
// At the moment I cannot place the 36 and above layers in the mini envelopes so all layers are still placed in XEN1


// --- ROOT system ---

//#include "TPGON.h"
#include "TTUBS.h"
#include "TNode.h"
#include "TGeometry.h"
#include "TVirtualMC.h"
#include "TArrayI.h"

// --- Standard library ---

//#include <stdio.h>

// --- AliRoot header files ---

#include "AliEMCALv0.h"
#include "AliEMCALGeometry.h"
#include "AliRun.h"

ClassImp(AliEMCALv0)

//______________________________________________________________________
AliEMCALv0::AliEMCALv0(const char *name, const char *title):
  AliEMCAL(name,title)
{
  // ctor : title is used to identify the layout
  GetGeometry() ; 

}

//______________________________________________________________________
void AliEMCALv0::BuildGeometry()
{
    // Display Geometry for display.C

    const Int_t kColorArm1   = kBlue ;

    AliEMCALGeometry * geom = GetGeometry() ; 

    // Define the shape of the Calorimeter 
    TNode * top = gAlice->GetGeometry()->GetNode("alice") ;
    new TTUBS("Envelop1", "Tubs that contains arm 1", "void", 
	      geom->GetEnvelop(0),     // rmin 
	      geom->GetEnvelop(1) +30 ,     // rmax
	      geom->GetEnvelop(2)/2.0, // half length in Z
	      geom->GetArm1PhiMin(),   // minimun phi angle
	      geom->GetArm1PhiMax()    // maximun phi angle
	);

    // Place the Node
    top->cd();
    TNode * envelop1node = new TNode("Envelop1", "Arm1 Envelop", "Envelop1"
				     ,0., 0., 0., "") ;
    envelop1node->SetLineColor(kColorArm1) ;
    fNodes->Add(envelop1node) ;
}

//______________________________________________________________________
void AliEMCALv0::CreateGeometry()
{
  // Create the EMCAL geometry for Geant
  // Geometry of a tower
  //|-----------------------------------------------------| XEN1
  //| |                                                 | |
  //| |    Al thickness = GetAlFrontThickness()         | |
  //| |                                                 | |
  //| |                                                 | |
  //| |                                                 | |
  //|  -------------------------------------------------  |
  //| |    Air Gap = GetGap2Active()                    | |
  //| |                                                 | |
  //|  -------------------------------------------------  |
  //| |    XU0 : XPST (PreShower e = GetPRScintThick() )| |
  //|  -------------------------------------------------  |
  //| |    XU0 : XPBX (PreShower e = GetPRPbRadThick() )| |
  //|  -------------------------------------------------  |
  //| |    XU0 : XPST (PreShower e = GetPEScintThick() )| |
  //|  -------------------------------------------------  |
  //| |    XU0 : XPBX (PreShower e = GetPRPbRadThick() )| |
  //|  -------------------------------------------------  |
  //|    etc ..... GetNPRLayers() times                   |
  //|  -------------------------------------------------  |
  //| |    XU1 : XPST (ECAL e = GetECScintThick() )     | |
  //|  -------------------------------------------------  |
  //| |    XU1 : XPBX (ECAL e = GetECPbRadThick() )     | |
  //|  -------------------------------------------------  |
  //| |    XU1 : XPST (ECAL e = GetECScintThick()       | |
  //|  -------------------------------------------------  |
  //| |    XU1 : XPBX (ECAL e = GetECPbRadThick() )     | |
  //|  -------------------------------------------------  |
  //|    etc ..... GetNECLayers() times                   |
  //|  -------------------------------------------------  |
  //| |    XU1 : XPST (ECAL e = GetHCScintThick() )     | |
  //|  -------------------------------------------------  |
  //| |    XU1 : XPBX (ECAL e = GetHCPbRadThick() )     | |
  //|  -------------------------------------------------  |
  //| |    XU1 : XPST (ECAL e = GetHCScintThick()       | |
  //|  -------------------------------------------------  |
  //| |    XU1 : XPBX (ECAL e = GetHCPbRadThick() )     | |
  //|  -------------------------------------------------  |
  //|    etc ..... GetNHCLayers() times                   |
  //|  -------------------------------------------------  |
  //| |    XU10 : XPST (HCAL e = GetHCScintThick() )    | |
  //|-----------------------------------------------------|
 
    Float_t etamin,etamax;
    Float_t *dum=0;

    AliEMCALGeometry * geom = GetGeometry() ; 

    if(!(geom->IsInitialized())){
	Error("CreateGeometry","EMCAL Geometry class has not been set up.");
    } // end if

    // Get pointer to the array containing media indices
    Int_t *idtmed = fIdtmed->GetArray() - 1599 ;

    Int_t idrotm = 1;
    AliMatrix(idrotm, 90.0, 0., 90.0, 90.0, 0.0, 0.0) ;


    // Create the EMCAL Mother Volume (a polygone) within which to place the Detector and named XEN1 

    Float_t envelopA[10];
    envelopA[0] = geom->GetArm1PhiMin();                         // minimum phi angle
    envelopA[1] = geom->GetArm1PhiMax() - geom->GetArm1PhiMin(); // angular range in phi
    envelopA[2] = geom->GetNPhi();                               // number of sections in phi
    envelopA[3] = 2;                                             // 2 z coordinates
    envelopA[4] = geom->ZFromEtaR(geom->GetEnvelop(1),
				   geom->GetArm1EtaMin());       // z coordinate 1
    envelopA[5] = geom->GetEnvelop(0) ;                          // rmin at z1
    envelopA[6] = geom->GetEnvelop(1) ;                          // rmax at z1
    envelopA[7] = geom->ZFromEtaR(geom->GetEnvelop(1),
				  geom->GetArm1EtaMax());        // z coordinate 2
    envelopA[8] = envelopA[5] ;                                  // radii are the same.
    envelopA[9] = envelopA[6] ;                                  // radii are the same.

    gMC->Gsvolu("XEN1", "PGON ", idtmed[1599], envelopA, 10) ;   // Polygone filled with air 

    // Position the EMCAL Mother Volume (XEN1) in Alice (ALIC)  

    gMC->Gspos("XEN1", 1, "ALIC", 0.0, 0.0, 0.0, idrotm, "ONLY") ;
    
    if (gDebug==2) 
      Info("CreateGeometry","rXEN1 = %f, %f\n", envelopA[5], envelopA[6]); 

    // Create mini-envelopes which will contain the PreShower scintillator-Lead-scintillator-lead  
   
    if (gDebug==2) 
      Info("CreateGeometry","XU0 = %f, %f\n", envelopA[5], envelopA[6]); 

    // Create mini-envelopes which will contain the Tower scintillator-radiator-scintillator-radiator 
    
    TString label ;

    envelopA[5] = envelopA[5] + geom->GetGap2Active() // we are at the first scintllator
      + geom->GetAlFrontThickness();                  // rmin at z1
    envelopA[6] = envelopA[5] ;


    Int_t i ; 

    Int_t nLayers = geom->GetNPRLayers() + geom->GetNECLayers() + geom->GetNHCLayers() ;

    for (i = 0; i < nLayers/2 ; i++ ){
	label = "XU" ;
	label += i ;
	Float_t tseg ; 
	if (i == 0 ) 
	  tseg = 2 *(geom->GetPRScintThick()+geom->GetPRPbRadThick()); // thickness of 2 * scintillator+Pb in pre shower
	else if ( i <= geom->GetNECLayers()/2) 
	  tseg = 2* (geom->GetECScintThick()+geom->GetECPbRadThick()); // thickness of 2 * scintillator+Pb in E Cal
	else 
	  tseg = 2* (geom->GetHCScintThick()+geom->GetHCCuRadThick()); // thickness of 2 * scintillator+Cu in H Cal 
	envelopA[5] = envelopA[6] ;                                   // rmin at z1
	envelopA[4] = geom->ZFromEtaR(envelopA[5] + tseg,
				      geom->GetArm1EtaMin());         // z coordinate 1
	envelopA[7] = geom->ZFromEtaR(envelopA[5] + tseg,
				      geom->GetArm1EtaMax());         // z coordinate 2
	envelopA[6] = envelopA[5] + tseg ;                            // rmax at z1
	envelopA[8] = envelopA[5] ;                                   // radii are the same.
	envelopA[9] = envelopA[6] ;                                   // radii are the same.
 
	gMC->Gsvolu(label.Data(), "PGON", idtmed[1599], envelopA, 10);// Polygone filled with air 

	// Position XUi in XEN1
	
	gMC->Gspos(label.Data(), 1, "XEN1", 0.0, 0.0, 0.0, idrotm, "ONLY") ;

	if (gDebug == 2)
	  Info("CreateGeometry","XU%d = %f, %f\n", i, envelopA[5], envelopA[6]); 

    } // end  i
 
  
    // Create one mini-envelope which will contain the last Tower scintillator (XU(nlayers-1)/2)

    label = "XU" ;
    label += i ;
    envelopA[5] = envelopA[6] ;                                   // rmin at z1
    envelopA[4] = geom->ZFromEtaR(envelopA[5],
				  geom->GetArm1EtaMin());         // z coordinate 1
    envelopA[7] = geom->ZFromEtaR(envelopA[5],
				  geom->GetArm1EtaMax());         // z coordinate 2
    if (geom->GetNHCLayers() == 0)                                // last scintillator is in ECAL
      envelopA[6] = envelopA[5] + geom->GetECScintThick() ;       // rmax at z1
    else                                                          // last scintillator is in HCAL
      envelopA[6] = envelopA[5] + geom->GetECScintThick() ;       // rmax at z1
    envelopA[8] = envelopA[5] ;                                   // radii are the same.
    envelopA[9] = envelopA[6] ;                                   // radii are the same.

    gMC->Gsvolu(label.Data(), "PGON", idtmed[1599], envelopA, 10); // Polygone filled with air

    // Position the last minienvelope in XEN1
  
    gMC->Gspos(label.Data(), 1, "XEN1", 0.0, 0.0, 0.0, idrotm, "ONLY") ;
  
    if(gDebug == 2) 
      Info("CreateGeometry","XEN%d = %f, %f\n", i, envelopA[5], envelopA[6]); 
  
    // Create the shapes of active material (LEAD/Aluminium/Scintillator)
    // to be placed
    Float_t envelopB[10]; // First Layer of Aluminium
    Float_t envelopC[10]; // Scintillator Layers
    Float_t envelopD[10]; // Lead Layers

    envelopC[0] = envelopD[0] = envelopB[0] = envelopA[0] ;  // starting position in Phi
    envelopC[1] = envelopD[1] = envelopB[1] = envelopA[1] ;  // angular range in phi          
    envelopC[2] = envelopD[2] = envelopB[2] = envelopA[2] ;  // number of sections in Phi
    envelopD[3] = envelopC[3] = envelopB[3] = envelopA[3] ;  // 2 z coordinates

    Float_t dist = geom->GetEnvelop(0) + geom->GetAlFrontThickness() + geom->GetGap2Active() ; 
    envelopB[4] = geom->ZFromEtaR(dist,
				  geom->GetArm1EtaMin());   // z co-ordinate 1
    envelopB[5] = geom->GetEnvelop(0) ;                     // rmin at z1
    envelopB[6] = envelopB[5] + geom->GetAlFrontThickness();// rmax at z1
    envelopB[7] = geom->ZFromEtaR(dist,
				  geom->GetArm1EtaMax());   // z co-ordinate 2
    envelopB[8] = envelopB[5] ;                             // radii are the same.
    envelopB[9] = envelopB[6] ;                             // radii are the same.

    // Define active volumes completely
    
    gMC->Gsvolu("XALU", "PGON", idtmed[1602], envelopB, 10); // PGON filled with Al
    
    gMC->Gspos("XALU", 1, "XEN1", 0.0, 0.0, 0.0 , idrotm, "ONLY") ; // Position Aluminium Layer in XEN1

    gMC->Gsvolu("XPST", "PGON", idtmed[1601], dum, 0);      // PGON filled with Scintillator (shape to be defined by GSPOSP)
  
    gMC->Gsvolu("XPBX", "PGON", idtmed[1600], dum, 0);      // PGON filled with Lead (shape to be defined by GSPOSP)
  
    gMC->Gsvolu("XCUX", "PGON", idtmed[1603], dum, 0);      // PGON filled with Copper (shape to be defined by GSPOSP)

    gMC->Gsdvn("XPHI", "XPST", geom->GetNPhi(), 2);         // Divide eta section of scintillators into phi segments.
 
    // Position alternatively scintillator and  Lead Layers in XUi.

    envelopD[6] = envelopB[6] + geom->GetGap2Active() ;// gap between Al layer and XU0
    
    for (int i = 0; i < nLayers; i++ ){
      label = "XU" ;
      label += static_cast<Int_t> (i/2)  ; // we will place two layers (i = one layer) in each mini envelope)	

      Float_t scthick ; // scintillator thickness 
      if ( i <  geom->GetNPRLayers() ) // its a preshower
	scthick = geom->GetPRScintThick() ;
      else if( i < geom->GetNPRLayers() + geom->GetNECLayers() ) // its an EMCAL section
	scthick = geom->GetECScintThick() ;
      else  // its an HCAL section
	scthick = geom->GetHCScintThick() ;

      envelopC[5] = envelopD[6] ;           //rmin
      envelopC[6] = envelopC[5] + scthick ; //rmax
      envelopC[8] = envelopC[5] ;           //rmin
      envelopC[9] = envelopC[6] ;           //rmax


      //	envelopC[6] = envelopD[6] + ((i > 1)  ? geom->GetFullSintThick() : geom->GetPreSintThick());//rmax larger for first two layers (preshower)
      //	envelopC[9] = envelopD[6] + ((i > 1 ) ? geom->GetFullSintThick() :geom->GetPreSintThick());//rmax larger for first two layers (preshower)

      if(gDebug == 2 ) 
	Info("CreateGeometry", "volume = %s, name = XPST thickness = %f deb = %f/%f fin = %f/%f", label.Data(), scthick, envelopC[5], envelopC[8], envelopC[6], envelopC[9]) ; 

      for (int j =0; j < (geom->GetNEta()) ; j++){
	etamin = geom->GetArm1EtaMin()+
	  (j*geom->GetDeltaEta());
	etamax = geom->GetArm1EtaMin()+
	  ((j+1)*geom->GetDeltaEta());
	envelopC[4] = geom->ZFromEtaR(envelopC[5],etamin); //z begin  
	envelopC[7] = geom->ZFromEtaR(envelopC[5],etamax);// z end 
	
	gMC->Gsposp("XPST",1+j+i*(geom->GetNEta()), label.Data(), 
		    0.0, 0.0, 0.0 , idrotm, "ONLY", envelopC, 10); // Position and define layer
      } // end for j
      
      if (i < nLayers){ 
	Float_t radthick ; // radiator thickness 
	TString radname ;  // radiator name
	if ( i <= 1 ) { // its a preshower
	  radthick =  geom->GetPRPbRadThick();
	  radname  =  "XPBX" ; 
	}
	else if( i <= geom->GetNECLayers()) {// its an EMCAL section
	  radthick = geom->GetECPbRadThick();
	  radname  =  "XPBX" ; 
	}
	else {  // its an HCAL section
	  radthick = geom->GetHCCuRadThick();
	  radname  =  "XCUX" ; 
	}

	if ( i < nLayers -1 ) { // except for the last XU which contains only one scintillator layer 

	  envelopD[5] = envelopC[6] ; //rmin
	  envelopD[8] = envelopD[5] ; //rmin
	  envelopD[6] = envelopD[5] + radthick ; // rmax
	  //  envelopD[6] = envelopC[6] + geom->GetPbRadThick();  //rmax
	  envelopD[9] = envelopD[6] ; //rmax
	  // envelopD[9] = envelopC[6] + geom->GetPbRadThick();  //rmax
	  
	  if(gDebug == 2 ) 
	    Info("CreateGeometry", "volume = %s, name = %s thickness = %f deb = %f/%f fin = %f/%f", label.Data(), radname.Data(), radthick, envelopD[5], envelopD[8], envelopD[6], envelopD[9]) ; 

	  for (int j =0; j < (geom->GetNEta()) ; j++){
	    etamin = geom->GetArm1EtaMin()+
	      (j*geom->GetDeltaEta());
	    etamax = geom->GetArm1EtaMin()+
	      ((j+1)*geom->GetDeltaEta());
	    envelopD[4] = geom->ZFromEtaR(envelopD[5],etamin);//z begin  
	    envelopD[7] = geom->ZFromEtaR(envelopD[5],etamax);// z end
	    
	    // Position and Define Layer
	    
	    gMC->Gsposp(radname.Data(),1+j+i*(geom->GetNEta()), label.Data(), 
			0.0, 0.0, 0.0 , idrotm, "ONLY", envelopD, 10);
	  } // end for j
	} // if not last layer
      } // end if i
    }  // for i
}

//______________________________________________________________________
void AliEMCALv0::Init(void)
{
    // Just prints an information message
  
  if(fDebug) { 
    TString message("\n") ; 
    message += "*****************************************\n" ;
    
    // Here the EMCAL initialisation code (if any!)
    
    AliEMCALGeometry * geom = GetGeometry() ; 
    
    if (geom!=0) {   
      message += "AliEMCAL " ; 
      message += Version() ; 
      message += "EMCAL geometry initialized for " ; 
      message += geom->GetName()  ;
    }
    else {
      message += "AliEMCAL " ; 
      message += Version() ;  
      message += "EMCAL geometry initialization failed !" ; 
    }
    message += "\n*****************************************" ;
    Info("Init", message.Data() ) ; 
  }
}
Commit	Line	Data
2012850d	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	**************************************************************************/
2012850d	15	/* $Id$ */
	16
	17	//_________________________________________________________________________
	18	// Implementation version v0 of EMCAL Manager class
	19	// An object of this class does not produce hits nor digits
	20	// It is the one to use if you do not want to produce outputs in TREEH or TREED
ffa6d63b	21	// This class places a Geometry of the EMCAL in the ALICE Detector as defined in AliEMCALGeometry.cxx
2012850d	22	//*-- Author: Yves Schutz (SUBATECH)
b13bbe81	23	//*-- and : Sahal Yacoob (LBL / UCT)
2012850d	24
09641ef5	25	// This Version of AliEMCALv0 reduces the number of volumes placed in XEN1 (the envelope) to less than five hundred
	26	// The Envelope is Placed in Alice, And the Aluminium layer. Mini envelopes (XU) are then placed in XEN1.
	27	// Each mini envelope contains 2 scintillator, and 2 lead layers, except the last one which contains just one scintillator layer.
	28	// At the moment I cannot place the 36 and above layers in the mini envelopes so all layers are still placed in XEN1
	29
	30
2012850d	31	// --- ROOT system ---
a1469a24	32
d64c959b	33	//#include "TPGON.h"
2012850d	34	#include "TTUBS.h"
2012850d	35	#include "TNode.h"
2012850d	36	#include "TGeometry.h"
5d12ce38	37	#include "TVirtualMC.h"
d64c959b	38	#include "TArrayI.h"
a1469a24	39
2012850d	40	// --- Standard library ---
2012850d	41
d64c959b	42	//#include <stdio.h>
2012850d	43
	44	// --- AliRoot header files ---
	45
	46	#include "AliEMCALv0.h"
	47	#include "AliEMCALGeometry.h"
	48	#include "AliRun.h"
2012850d	49
	50	ClassImp(AliEMCALv0)
	51
b13bbe81	52	//______________________________________________________________________
2012850d	53	AliEMCALv0::AliEMCALv0(const char name, const char title):
05a92d59	54	AliEMCAL(name,title)
	55	{
	56	// ctor : title is used to identify the layout
	57	GetGeometry() ;
a1469a24	58
2012850d	59	}
a1469a24	60
b13bbe81	61	//______________________________________________________________________
05a92d59	62	void AliEMCALv0::BuildGeometry()
05a92d59	63	{
b13bbe81	64	// Display Geometry for display.C
2012850d	65
b13bbe81	66	const Int_t kColorArm1 = kBlue ;
91e9918b	67
05a92d59	68	AliEMCALGeometry * geom = GetGeometry() ;
a1469a24	69
05a92d59	70	// Define the shape of the Calorimeter
5502a765	71	TNode * top = gAlice->GetGeometry()->GetNode("alice") ;
b13bbe81	72	new TTUBS("Envelop1", "Tubs that contains arm 1", "void",
05a92d59	73	geom->GetEnvelop(0), // rmin
	74	geom->GetEnvelop(1) +30 , // rmax
	75	geom->GetEnvelop(2)/2.0, // half length in Z
	76	geom->GetArm1PhiMin(), // minimun phi angle
	77	geom->GetArm1PhiMax() // maximun phi angle
b13bbe81	78	);
a1469a24	79
ffa6d63b	80	// Place the Node
5502a765	81	top->cd();
5502a765	82	TNode * envelop1node = new TNode("Envelop1", "Arm1 Envelop", "Envelop1"
5502a765	83	,0., 0., 0., "") ;
b13bbe81	84	envelop1node->SetLineColor(kColorArm1) ;
b13bbe81	85	fNodes->Add(envelop1node) ;
2012850d	86	}
a1469a24	87
b13bbe81	88	//______________________________________________________________________
05a92d59	89	void AliEMCALv0::CreateGeometry()
05a92d59	90	{
f590bb15	91	// Create the EMCAL geometry for Geant
	92	// Geometry of a tower
	93	//\|-----------------------------------------------------\| XEN1
	94	//\| \| \| \|
	95	//\| \| Al thickness = GetAlFrontThickness() \| \|
	96	//\| \| \| \|
	97	//\| \| \| \|
	98	//\| \| \| \|
	99	//\| ------------------------------------------------- \|
	100	//\| \| Air Gap = GetGap2Active() \| \|
	101	//\| \| \| \|
	102	//\| ------------------------------------------------- \|
ca148d5b	103	//\| \| XU0 : XPST (PreShower e = GetPRScintThick() )\| \|
f590bb15	104	//\| ------------------------------------------------- \|
ca148d5b	105	//\| \| XU0 : XPBX (PreShower e = GetPRPbRadThick() )\| \|
f590bb15	106	//\| ------------------------------------------------- \|
ca148d5b	107	//\| \| XU0 : XPST (PreShower e = GetPEScintThick() )\| \|
f590bb15	108	//\| ------------------------------------------------- \|
ca148d5b	109	//\| \| XU0 : XPBX (PreShower e = GetPRPbRadThick() )\| \|
f590bb15	110	//\| ------------------------------------------------- \|
ca148d5b	111	//\| etc ..... GetNPRLayers() times \|
f590bb15	112	//\| ------------------------------------------------- \|
ca148d5b	113	//\| \| XU1 : XPST (ECAL e = GetECScintThick() ) \| \|
f590bb15	114	//\| ------------------------------------------------- \|
ca148d5b	115	//\| \| XU1 : XPBX (ECAL e = GetECPbRadThick() ) \| \|
f590bb15	116	//\| ------------------------------------------------- \|
ca148d5b	117	//\| \| XU1 : XPST (ECAL e = GetECScintThick() \| \|
f590bb15	118	//\| ------------------------------------------------- \|
ca148d5b	119	//\| \| XU1 : XPBX (ECAL e = GetECPbRadThick() ) \| \|
f590bb15	120	//\| ------------------------------------------------- \|
ca148d5b	121	//\| etc ..... GetNECLayers() times \|
	122	//\| ------------------------------------------------- \|
	123	//\| \| XU1 : XPST (ECAL e = GetHCScintThick() ) \| \|
	124	//\| ------------------------------------------------- \|
	125	//\| \| XU1 : XPBX (ECAL e = GetHCPbRadThick() ) \| \|
	126	//\| ------------------------------------------------- \|
	127	//\| \| XU1 : XPST (ECAL e = GetHCScintThick() \| \|
	128	//\| ------------------------------------------------- \|
	129	//\| \| XU1 : XPBX (ECAL e = GetHCPbRadThick() ) \| \|
	130	//\| ------------------------------------------------- \|
	131	//\| etc ..... GetNHCLayers() times \|
	132	//\| ------------------------------------------------- \|
	133	//\| \| XU10 : XPST (HCAL e = GetHCScintThick() ) \| \|
f590bb15	134	//\|-----------------------------------------------------\|
f590bb15	135
a1469a24	136	Float_t etamin,etamax;
3ca04a8a	137	Float_t *dum=0;
3ca04a8a	138
05a92d59	139	AliEMCALGeometry * geom = GetGeometry() ;
a1469a24	140
05a92d59	141	if(!(geom->IsInitialized())){
a1469a24	142	Error("CreateGeometry","EMCAL Geometry class has not been set up.");
b13bbe81	143	} // end if
a1469a24	144
b13bbe81	145	// Get pointer to the array containing media indices
b13bbe81	146	Int_t *idtmed = fIdtmed->GetArray() - 1599 ;
e13bd4f0	147
09641ef5	148	Int_t idrotm = 1;
	149	AliMatrix(idrotm, 90.0, 0., 90.0, 90.0, 0.0, 0.0) ;
	150
a1469a24	151
c27ad3fb	152
c13b5a7c	153	// Create the EMCAL Mother Volume (a polygone) within which to place the Detector and named XEN1
	154
	155	Float_t envelopA[10];
	156	envelopA[0] = geom->GetArm1PhiMin(); // minimum phi angle
	157	envelopA[1] = geom->GetArm1PhiMax() - geom->GetArm1PhiMin(); // angular range in phi
	158	envelopA[2] = geom->GetNPhi(); // number of sections in phi
	159	envelopA[3] = 2; // 2 z coordinates
c27ad3fb	160	envelopA[4] = geom->ZFromEtaR(geom->GetEnvelop(1),
c13b5a7c	161	geom->GetArm1EtaMin()); // z coordinate 1
	162	envelopA[5] = geom->GetEnvelop(0) ; // rmin at z1
	163	envelopA[6] = geom->GetEnvelop(1) ; // rmax at z1
c27ad3fb	164	envelopA[7] = geom->ZFromEtaR(geom->GetEnvelop(1),
c13b5a7c	165	geom->GetArm1EtaMax()); // z coordinate 2
	166	envelopA[8] = envelopA[5] ; // radii are the same.
	167	envelopA[9] = envelopA[6] ; // radii are the same.
	168
	169	gMC->Gsvolu("XEN1", "PGON ", idtmed[1599], envelopA, 10) ; // Polygone filled with air
09641ef5	170
c13b5a7c	171	// Position the EMCAL Mother Volume (XEN1) in Alice (ALIC)
09641ef5	172
c13b5a7c	173	gMC->Gspos("XEN1", 1, "ALIC", 0.0, 0.0, 0.0, idrotm, "ONLY") ;
c13b5a7c	174
c27ad3fb	175	if (gDebug==2)
c13b5a7c	176	Info("CreateGeometry","rXEN1 = %f, %f\n", envelopA[5], envelopA[6]);
a1469a24	177
a63e0d5e	178	// Create mini-envelopes which will contain the PreShower scintillator-Lead-scintillator-lead
c13b5a7c	179
c27ad3fb	180	if (gDebug==2)
a63e0d5e	181	Info("CreateGeometry","XU0 = %f, %f\n", envelopA[5], envelopA[6]);
c13b5a7c	182
a63e0d5e	183	// Create mini-envelopes which will contain the Tower scintillator-radiator-scintillator-radiator
c13b5a7c	184
a63e0d5e	185	TString label ;
	186
	187	envelopA[5] = envelopA[5] + geom->GetGap2Active() // we are at the first scintllator
	188	+ geom->GetAlFrontThickness(); // rmin at z1
	189	envelopA[6] = envelopA[5] ;
	190
c27ad3fb	191
f590bb15	192	Int_t i ;
a63e0d5e	193
	194	Int_t nLayers = geom->GetNPRLayers() + geom->GetNECLayers() + geom->GetNHCLayers() ;
	195
	196	for (i = 0; i < nLayers/2 ; i++ ){
a1469a24	197	label = "XU" ;
a1469a24	198	label += i ;
a63e0d5e	199	Float_t tseg ;
a63e0d5e	200	if (i == 0 )
ca148d5b	201	tseg = 2 (geom->GetPRScintThick()+geom->GetPRPbRadThick()); // thickness of 2 scintillator+Pb in pre shower
a63e0d5e	202	else if ( i <= geom->GetNECLayers()/2)
ca148d5b	203	tseg = 2* (geom->GetECScintThick()+geom->GetECPbRadThick()); // thickness of 2 * scintillator+Pb in E Cal
a63e0d5e	204	else
ca148d5b	205	tseg = 2* (geom->GetHCScintThick()+geom->GetHCCuRadThick()); // thickness of 2 * scintillator+Cu in H Cal
c13b5a7c	206	envelopA[5] = envelopA[6] ; // rmin at z1
c27ad3fb	207	envelopA[4] = geom->ZFromEtaR(envelopA[5] + tseg,
c13b5a7c	208	geom->GetArm1EtaMin()); // z coordinate 1
c27ad3fb	209	envelopA[7] = geom->ZFromEtaR(envelopA[5] + tseg,
c13b5a7c	210	geom->GetArm1EtaMax()); // z coordinate 2
a63e0d5e	211	envelopA[6] = envelopA[5] + tseg ; // rmax at z1
c13b5a7c	212	envelopA[8] = envelopA[5] ; // radii are the same.
	213	envelopA[9] = envelopA[6] ; // radii are the same.
	214
	215	gMC->Gsvolu(label.Data(), "PGON", idtmed[1599], envelopA, 10);// Polygone filled with air
a1469a24	216
c13b5a7c	217	// Position XUi in XEN1
c13b5a7c	218
a1469a24	219	gMC->Gspos(label.Data(), 1, "XEN1", 0.0, 0.0, 0.0, idrotm, "ONLY") ;
c13b5a7c	220
c27ad3fb	221	if (gDebug == 2)
c27ad3fb	222	Info("CreateGeometry","XU%d = %f, %f\n", i, envelopA[5], envelopA[6]);
c13b5a7c	223
a1469a24	224	} // end i
f590bb15	225
c13b5a7c	226
	227	// Create one mini-envelope which will contain the last Tower scintillator (XU(nlayers-1)/2)
	228
f590bb15	229	label = "XU" ;
f590bb15	230	label += i ;
c13b5a7c	231	envelopA[5] = envelopA[6] ; // rmin at z1
	232	envelopA[4] = geom->ZFromEtaR(envelopA[5],
	233	geom->GetArm1EtaMin()); // z coordinate 1
	234	envelopA[7] = geom->ZFromEtaR(envelopA[5],
	235	geom->GetArm1EtaMax()); // z coordinate 2
ca148d5b	236	if (geom->GetNHCLayers() == 0) // last scintillator is in ECAL
	237	envelopA[6] = envelopA[5] + geom->GetECScintThick() ; // rmax at z1
	238	else // last scintillator is in HCAL
	239	envelopA[6] = envelopA[5] + geom->GetECScintThick() ; // rmax at z1
c13b5a7c	240	envelopA[8] = envelopA[5] ; // radii are the same.
	241	envelopA[9] = envelopA[6] ; // radii are the same.
	242
	243	gMC->Gsvolu(label.Data(), "PGON", idtmed[1599], envelopA, 10); // Polygone filled with air
	244
a63e0d5e	245	// Position the last minienvelope in XEN1
c13b5a7c	246
f590bb15	247	gMC->Gspos(label.Data(), 1, "XEN1", 0.0, 0.0, 0.0, idrotm, "ONLY") ;
f590bb15	248
c27ad3fb	249	if(gDebug == 2)
c27ad3fb	250	Info("CreateGeometry","XEN%d = %f, %f\n", i, envelopA[5], envelopA[6]);
f590bb15	251
a1469a24	252	// Create the shapes of active material (LEAD/Aluminium/Scintillator)
a1469a24	253	// to be placed
ffa6d63b	254	Float_t envelopB[10]; // First Layer of Aluminium
ffa6d63b	255	Float_t envelopC[10]; // Scintillator Layers
a1469a24	256	Float_t envelopD[10]; // Lead Layers
a1469a24	257
c13b5a7c	258	envelopC[0] = envelopD[0] = envelopB[0] = envelopA[0] ; // starting position in Phi
	259	envelopC[1] = envelopD[1] = envelopB[1] = envelopA[1] ; // angular range in phi
	260	envelopC[2] = envelopD[2] = envelopB[2] = envelopA[2] ; // number of sections in Phi
	261	envelopD[3] = envelopC[3] = envelopB[3] = envelopA[3] ; // 2 z coordinates
a1469a24	262
c27ad3fb	263	Float_t dist = geom->GetEnvelop(0) + geom->GetAlFrontThickness() + geom->GetGap2Active() ;
c27ad3fb	264	envelopB[4] = geom->ZFromEtaR(dist,
c13b5a7c	265	geom->GetArm1EtaMin()); // z co-ordinate 1
	266	envelopB[5] = geom->GetEnvelop(0) ; // rmin at z1
	267	envelopB[6] = envelopB[5] + geom->GetAlFrontThickness();// rmax at z1
c27ad3fb	268	envelopB[7] = geom->ZFromEtaR(dist,
c13b5a7c	269	geom->GetArm1EtaMax()); // z co-ordinate 2
	270	envelopB[8] = envelopB[5] ; // radii are the same.
	271	envelopB[9] = envelopB[6] ; // radii are the same.
ffa6d63b	272
c13b5a7c	273	// Define active volumes completely
	274
	275	gMC->Gsvolu("XALU", "PGON", idtmed[1602], envelopB, 10); // PGON filled with Al
	276
	277	gMC->Gspos("XALU", 1, "XEN1", 0.0, 0.0, 0.0 , idrotm, "ONLY") ; // Position Aluminium Layer in XEN1
a1469a24	278
c13b5a7c	279	gMC->Gsvolu("XPST", "PGON", idtmed[1601], dum, 0); // PGON filled with Scintillator (shape to be defined by GSPOSP)
	280
	281	gMC->Gsvolu("XPBX", "PGON", idtmed[1600], dum, 0); // PGON filled with Lead (shape to be defined by GSPOSP)
	282
a63e0d5e	283	gMC->Gsvolu("XCUX", "PGON", idtmed[1603], dum, 0); // PGON filled with Copper (shape to be defined by GSPOSP)
a63e0d5e	284
c13b5a7c	285	gMC->Gsdvn("XPHI", "XPST", geom->GetNPhi(), 2); // Divide eta section of scintillators into phi segments.
	286
	287	// Position alternatively scintillator and Lead Layers in XUi.
a1469a24	288
c13b5a7c	289	envelopD[6] = envelopB[6] + geom->GetGap2Active() ;// gap between Al layer and XU0
a63e0d5e	290
	291	for (int i = 0; i < nLayers; i++ ){
	292	label = "XU" ;
	293	label += static_cast<Int_t> (i/2) ; // we will place two layers (i = one layer) in each mini envelope)
	294
	295	Float_t scthick ; // scintillator thickness
	296	if ( i < geom->GetNPRLayers() ) // its a preshower
ca148d5b	297	scthick = geom->GetPRScintThick() ;
a63e0d5e	298	else if( i < geom->GetNPRLayers() + geom->GetNECLayers() ) // its an EMCAL section
ca148d5b	299	scthick = geom->GetECScintThick() ;
a63e0d5e	300	else // its an HCAL section
ca148d5b	301	scthick = geom->GetHCScintThick() ;
a63e0d5e	302
	303	envelopC[5] = envelopD[6] ; //rmin
	304	envelopC[6] = envelopC[5] + scthick ; //rmax
	305	envelopC[8] = envelopC[5] ; //rmin
	306	envelopC[9] = envelopC[6] ; //rmax
	307
	308
	309	// envelopC[6] = envelopD[6] + ((i > 1) ? geom->GetFullSintThick() : geom->GetPreSintThick());//rmax larger for first two layers (preshower)
	310	// envelopC[9] = envelopD[6] + ((i > 1 ) ? geom->GetFullSintThick() :geom->GetPreSintThick());//rmax larger for first two layers (preshower)
	311
c27ad3fb	312	if(gDebug == 2 )
c27ad3fb	313	Info("CreateGeometry", "volume = %s, name = XPST thickness = %f deb = %f/%f fin = %f/%f", label.Data(), scthick, envelopC[5], envelopC[8], envelopC[6], envelopC[9]) ;
a63e0d5e	314
	315	for (int j =0; j < (geom->GetNEta()) ; j++){
	316	etamin = geom->GetArm1EtaMin()+
	317	(j*geom->GetDeltaEta());
	318	etamax = geom->GetArm1EtaMin()+
	319	((j+1)*geom->GetDeltaEta());
	320	envelopC[4] = geom->ZFromEtaR(envelopC[5],etamin); //z begin
	321	envelopC[7] = geom->ZFromEtaR(envelopC[5],etamax);// z end
	322
	323	gMC->Gsposp("XPST",1+j+i*(geom->GetNEta()), label.Data(),
	324	0.0, 0.0, 0.0 , idrotm, "ONLY", envelopC, 10); // Position and define layer
	325	} // end for j
	326
	327	if (i < nLayers){
	328	Float_t radthick ; // radiator thickness
	329	TString radname ; // radiator name
	330	if ( i <= 1 ) { // its a preshower
ca148d5b	331	radthick = geom->GetPRPbRadThick();
a63e0d5e	332	radname = "XPBX" ;
	333	}
	334	else if( i <= geom->GetNECLayers()) {// its an EMCAL section
ca148d5b	335	radthick = geom->GetECPbRadThick();
a63e0d5e	336	radname = "XPBX" ;
	337	}
	338	else { // its an HCAL section
ca148d5b	339	radthick = geom->GetHCCuRadThick();
a63e0d5e	340	radname = "XCUX" ;
	341	}
	342
	343	if ( i < nLayers -1 ) { // except for the last XU which contains only one scintillator layer
	344
	345	envelopD[5] = envelopC[6] ; //rmin
	346	envelopD[8] = envelopD[5] ; //rmin
	347	envelopD[6] = envelopD[5] + radthick ; // rmax
	348	// envelopD[6] = envelopC[6] + geom->GetPbRadThick(); //rmax
	349	envelopD[9] = envelopD[6] ; //rmax
	350	// envelopD[9] = envelopC[6] + geom->GetPbRadThick(); //rmax
c27ad3fb	351
	352	if(gDebug == 2 )
	353	Info("CreateGeometry", "volume = %s, name = %s thickness = %f deb = %f/%f fin = %f/%f", label.Data(), radname.Data(), radthick, envelopD[5], envelopD[8], envelopD[6], envelopD[9]) ;
a63e0d5e	354
a63e0d5e	355	for (int j =0; j < (geom->GetNEta()) ; j++){
05a92d59	356	etamin = geom->GetArm1EtaMin()+
a63e0d5e	357	(j*geom->GetDeltaEta());
05a92d59	358	etamax = geom->GetArm1EtaMin()+
a63e0d5e	359	((j+1)*geom->GetDeltaEta());
	360	envelopD[4] = geom->ZFromEtaR(envelopD[5],etamin);//z begin
	361	envelopD[7] = geom->ZFromEtaR(envelopD[5],etamax);// z end
	362
	363	// Position and Define Layer
	364
	365	gMC->Gsposp(radname.Data(),1+j+i*(geom->GetNEta()), label.Data(),
	366	0.0, 0.0, 0.0 , idrotm, "ONLY", envelopD, 10);
	367	} // end for j
	368	} // if not last layer
	369	} // end if i
61e0abb5	370	} // for i
2012850d	371	}
a1469a24	372
b13bbe81	373	//______________________________________________________________________
05a92d59	374	void AliEMCALv0::Init(void)
05a92d59	375	{
b13bbe81	376	// Just prints an information message
9859bfc0	377
	378	if(fDebug) {
	379	TString message("\n") ;
c27ad3fb	380	message += "*****************************************\n" ;
05a92d59	381
b13bbe81	382	// Here the EMCAL initialisation code (if any!)
9859bfc0	383
05a92d59	384	AliEMCALGeometry * geom = GetGeometry() ;
9859bfc0	385
	386	if (geom!=0) {
	387	message += "AliEMCAL " ;
	388	message += Version() ;
c27ad3fb	389	message += "EMCAL geometry initialized for " ;
9859bfc0	390	message += geom->GetName() ;
	391	}
	392	else {
	393	message += "AliEMCAL " ;
	394	message += Version() ;
	395	message += "EMCAL geometry initialization failed !" ;
05a92d59	396	}
c27ad3fb	397	message += "\n*****************************************" ;
9859bfc0	398	Info("Init", message.Data() ) ;
9859bfc0	399	}
2012850d	400	}