[u/mrichter/AliRoot.git] / PHOS / AliEMCAGeometry.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.                  *
 **************************************************************************/

/* $Id$ */

//_________________________________________________________________________
// Geometry class  for PHOS : EMCA (Electromagnetic Calorimeter)  
//                  
//*-- Author   : Yves Schutz (SUBATECH)
//    Modified : Yuri Kharlov (IHEP, Protvino) 13 September 2000
//
// --- AliRoot header files ---

#include "AliEMCAGeometry.h"

ClassImp(AliEMCAGeometry) ;

//____________________________________________________________________________
AliEMCAGeometry::AliEMCAGeometry()
{

  // Initializes the EMC parameters

  fNPhi       = 64 ; 
  fNZ         = 64 ; 

  fXtlSize[0] =  2.2 ;
  fXtlSize[1] = 18.0 ;
  fXtlSize[2] =  2.2 ;

  // all these numbers coming next are subject to changes

  fOuterBoxThickness[0] = 2.8 ;
  fOuterBoxThickness[1] = 5.0 ;      
  fOuterBoxThickness[2] = 5.0 ;
  
  fUpperPlateThickness  = 4.0 ;
  
  fSecondUpperPlateThickness = 5.0 ; 
  
  fCrystalSupportHeight   = 6.95 ; 
  fCrystalWrapThickness   = 0.01 ;
  fCrystalHolderThickness = 0.005 ;
  fModuleBoxThickness     = 2.0 ; 
  fIPtoOuterCoverDistance = 447.0 ;      
  fIPtoCrystalSurface     = 460.0 ;  
  
  fPinDiodeSize[0] = 1.71 ;   //Values given by Odd Harald feb 2000  
  fPinDiodeSize[1] = 0.0280 ; // 0.0280 is the depth of active layer in the silicon     
  fPinDiodeSize[2] = 1.61 ;    
  
  fUpperCoolingPlateThickness   = 0.06 ; 
  fSupportPlateThickness        = 10.0 ;
  fLowerThermoPlateThickness    =  3.0 ; 
  fLowerTextolitPlateThickness  =  1.0 ;
  fGapBetweenCrystals           = 0.03 ;
  
  fTextolitBoxThickness[0] = 1.5 ;  
  fTextolitBoxThickness[1] = 0.0 ;   
  fTextolitBoxThickness[2] = 3.0 ; 
  
  fAirThickness[0] =  1.56   ;
  fAirThickness[1] = 20.5175 ;  
  fAirThickness[2] =  2.48   ;  
  
  Float_t xtalModulePhiSize =  fNPhi * ( fXtlSize[0] + 2 * fGapBetweenCrystals ) ; 
  Float_t xtalModuleZSize   =  fNZ   * ( fXtlSize[2] + 2 * fGapBetweenCrystals ) ;
  
  // The next dimensions are calculated from the above parameters
  
  fOuterBoxSize[0] =  xtalModulePhiSize + 2 * ( fAirThickness[0] + fModuleBoxThickness
						+ fTextolitBoxThickness[0] + fOuterBoxThickness[0] ) ; 
  fOuterBoxSize[1] = ( fXtlSize[1] + fCrystalSupportHeight + fCrystalWrapThickness + fCrystalHolderThickness )
    + 2 * (fAirThickness[1] +  fModuleBoxThickness + fTextolitBoxThickness[1] + fOuterBoxThickness[1] ) ;
  fOuterBoxSize[2] =  xtalModuleZSize   + 2 * ( fAirThickness[2] + fModuleBoxThickness 
						+ fTextolitBoxThickness[2] + fOuterBoxThickness[2] ) ; 
  
  fTextolitBoxSize[0]  = fOuterBoxSize[0] - 2 * fOuterBoxThickness[0] ;
  fTextolitBoxSize[1]  = fOuterBoxSize[1] -  fOuterBoxThickness[1] - fUpperPlateThickness ;
  fTextolitBoxSize[2]  = fOuterBoxSize[2] - 2 * fOuterBoxThickness[2] ;
  
  fAirFilledBoxSize[0] =  fTextolitBoxSize[0] - 2 * fTextolitBoxThickness[0] ; 
  fAirFilledBoxSize[1] =  fTextolitBoxSize[1] - fSecondUpperPlateThickness ; 
  fAirFilledBoxSize[2] =  fTextolitBoxSize[2] - 2 * fTextolitBoxThickness[2] ; 
  
}
//____________________________________________________________________________
Commit	Line	Data
8ad94423	1	/**************************************************************************
	2	* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
	3	* *
	4	* Author: The ALICE Off-line Project. *
	5	* Contributors are mentioned in the code where appropriate. *
	6	* *
	7	* Permission to use, copy, modify and distribute this software and its *
	8	* documentation strictly for non-commercial purposes is hereby granted *
	9	* without fee, provided that the above copyright notice appears in all *
	10	* copies and that both the copyright notice and this permission notice *
	11	* appear in the supporting documentation. The authors make no claims *
	12	* about the suitability of this software for any purpose. It is *
	13	* provided "as is" without express or implied warranty. *
	14	**************************************************************************/
	15
	16	/* $Id$ */
	17
	18	//_________________________________________________________________________
	19	// Geometry class for PHOS : EMCA (Electromagnetic Calorimeter)
	20	//
	21	//*-- Author : Yves Schutz (SUBATECH)
	22	// Modified : Yuri Kharlov (IHEP, Protvino) 13 September 2000
	23	//
	24	// --- AliRoot header files ---
	25
	26	#include "AliEMCAGeometry.h"
	27
	28	ClassImp(AliEMCAGeometry) ;
	29
	30	//____________________________________________________________________________
	31	AliEMCAGeometry::AliEMCAGeometry()
	32	{
	33
	34	// Initializes the EMC parameters
	35
	36	fNPhi = 64 ;
	37	fNZ = 64 ;
	38
	39	fXtlSize[0] = 2.2 ;
	40	fXtlSize[1] = 18.0 ;
	41	fXtlSize[2] = 2.2 ;
	42
	43	// all these numbers coming next are subject to changes
	44
	45	fOuterBoxThickness[0] = 2.8 ;
	46	fOuterBoxThickness[1] = 5.0 ;
	47	fOuterBoxThickness[2] = 5.0 ;
	48
	49	fUpperPlateThickness = 4.0 ;
	50
	51	fSecondUpperPlateThickness = 5.0 ;
	52
	53	fCrystalSupportHeight = 6.95 ;
	54	fCrystalWrapThickness = 0.01 ;
	55	fCrystalHolderThickness = 0.005 ;
	56	fModuleBoxThickness = 2.0 ;
	57	fIPtoOuterCoverDistance = 447.0 ;
	58	fIPtoCrystalSurface = 460.0 ;
	59
	60	fPinDiodeSize[0] = 1.71 ; //Values given by Odd Harald feb 2000
	61	fPinDiodeSize[1] = 0.0280 ; // 0.0280 is the depth of active layer in the silicon
	62	fPinDiodeSize[2] = 1.61 ;
	63
	64	fUpperCoolingPlateThickness = 0.06 ;
65	fSupportPlateThickness = 10.0 ;
66	fLowerThermoPlateThickness = 3.0 ;
67	fLowerTextolitPlateThickness = 1.0 ;
68	fGapBetweenCrystals = 0.03 ;
69
70	fTextolitBoxThickness[0] = 1.5 ;
71	fTextolitBoxThickness[1] = 0.0 ;
72	fTextolitBoxThickness[2] = 3.0 ;
73
74	fAirThickness[0] = 1.56 ;
75	fAirThickness[1] = 20.5175 ;
76	fAirThickness[2] = 2.48 ;
77
78	Float_t xtalModulePhiSize = fNPhi * ( fXtlSize[0] + 2 * fGapBetweenCrystals ) ;
79	Float_t xtalModuleZSize = fNZ * ( fXtlSize[2] + 2 * fGapBetweenCrystals ) ;
80
81	// The next dimensions are calculated from the above parameters
82
83	fOuterBoxSize[0] = xtalModulePhiSize + 2 * ( fAirThickness[0] + fModuleBoxThickness
84	+ fTextolitBoxThickness[0] + fOuterBoxThickness[0] ) ;
85	fOuterBoxSize[1] = ( fXtlSize[1] + fCrystalSupportHeight + fCrystalWrapThickness + fCrystalHolderThickness )
86	+ 2 * (fAirThickness[1] + fModuleBoxThickness + fTextolitBoxThickness[1] + fOuterBoxThickness[1] ) ;
87	fOuterBoxSize[2] = xtalModuleZSize + 2 * ( fAirThickness[2] + fModuleBoxThickness
88	+ fTextolitBoxThickness[2] + fOuterBoxThickness[2] ) ;
89
90	fTextolitBoxSize[0] = fOuterBoxSize[0] - 2 * fOuterBoxThickness[0] ;
91	fTextolitBoxSize[1] = fOuterBoxSize[1] - fOuterBoxThickness[1] - fUpperPlateThickness ;
92	fTextolitBoxSize[2] = fOuterBoxSize[2] - 2 * fOuterBoxThickness[2] ;
93
94	fAirFilledBoxSize[0] = fTextolitBoxSize[0] - 2 * fTextolitBoxThickness[0] ;
95	fAirFilledBoxSize[1] = fTextolitBoxSize[1] - fSecondUpperPlateThickness ;
96	fAirFilledBoxSize[2] = fTextolitBoxSize[2] - 2 * fTextolitBoxThickness[2] ;
97
98	}
99	//____________________________________________________________________________