[u/mrichter/AliRoot.git] / PHOS / AliPHOSEMCAGeometry.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)  
// Its data members provide geometry parametrization of EMCA
// which can be changed in the constructor only.
// Author   : Yves Schutz (SUBATECH)
// Modified : Yuri Kharlov (IHEP, Protvino)
// 13 September 2000

// --- AliRoot header files ---

#include "AliPHOSEMCAGeometry.h"

ClassImp(AliPHOSEMCAGeometry) ;

//____________________________________________________________________________
AliPHOSEMCAGeometry::AliPHOSEMCAGeometry()
{

  // Initializes the EMC parameters

  fNPhi       = 64 ; 
  fNZ         = 64 ; 

  fXtlSize[0] =  2.2 ;
  fXtlSize[1] = 22.0 ;
  fXtlSize[2] =  2.2 ;

  // all these numbers coming next are subject to changes

  fOuterBoxThickness[0] = 2.5 ;
  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] =  0.4   ;
  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
	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	// Its data members provide geometry parametrization of EMCA
	21	// which can be changed in the constructor only.
	22	// Author : Yves Schutz (SUBATECH)
	23	// Modified : Yuri Kharlov (IHEP, Protvino)
	24	// 13 September 2000
	25
	26	// --- AliRoot header files ---
	27
	28	#include "AliPHOSEMCAGeometry.h"
	29
	30	ClassImp(AliPHOSEMCAGeometry) ;
	31
	32	//____________________________________________________________________________
	33	AliPHOSEMCAGeometry::AliPHOSEMCAGeometry()
	34	{
	35
	36	// Initializes the EMC parameters
	37
	38	fNPhi = 64 ;
	39	fNZ = 64 ;
	40
	41	fXtlSize[0] = 2.2 ;
	42	fXtlSize[1] = 22.0 ;
	43	fXtlSize[2] = 2.2 ;
	44
	45	// all these numbers coming next are subject to changes
	46
	47	fOuterBoxThickness[0] = 2.5 ;
	48	fOuterBoxThickness[1] = 5.0 ;
	49	fOuterBoxThickness[2] = 5.0 ;
	50
	51	fUpperPlateThickness = 4.0 ;
	52
	53	fSecondUpperPlateThickness = 5.0 ;
	54
	55	fCrystalSupportHeight = 6.95 ;
	56	fCrystalWrapThickness = 0.01 ;
	57	fCrystalHolderThickness = 0.005 ;
	58	fModuleBoxThickness = 2.0 ;
	59	fIPtoOuterCoverDistance = 447.0 ;
	60	fIPtoCrystalSurface = 460.0 ;
	61
	62	fPinDiodeSize[0] = 1.71 ; //Values given by Odd Harald feb 2000
	63	fPinDiodeSize[1] = 0.0280 ; // 0.0280 is the depth of active layer in the silicon
	64	fPinDiodeSize[2] = 1.61 ;
	65
	66	fUpperCoolingPlateThickness = 0.06 ;
	67	fSupportPlateThickness = 10.0 ;
	68	fLowerThermoPlateThickness = 3.0 ;
	69	fLowerTextolitPlateThickness = 1.0 ;
	70	fGapBetweenCrystals = 0.03 ;
	71
	72	fTextolitBoxThickness[0] = 1.5 ;
	73	fTextolitBoxThickness[1] = 0.0 ;
	74	fTextolitBoxThickness[2] = 3.0 ;
	75
	76	fAirThickness[0] = 0.4 ;
	77	fAirThickness[1] = 20.5175 ;
	78	fAirThickness[2] = 2.48 ;
	79
	80	Float_t xtalModulePhiSize = fNPhi * ( fXtlSize[0] + 2 * fGapBetweenCrystals ) ;
	81	Float_t xtalModuleZSize = fNZ * ( fXtlSize[2] + 2 * fGapBetweenCrystals ) ;
	82
	83	// The next dimensions are calculated from the above parameters
	84
	85	fOuterBoxSize[0] = xtalModulePhiSize + 2 * ( fAirThickness[0] + fModuleBoxThickness
	86	+ fTextolitBoxThickness[0] + fOuterBoxThickness[0] ) ;
	87	fOuterBoxSize[1] = ( fXtlSize[1] + fCrystalSupportHeight + fCrystalWrapThickness + fCrystalHolderThickness )
	88	+ 2 * (fAirThickness[1] + fModuleBoxThickness + fTextolitBoxThickness[1] + fOuterBoxThickness[1] ) ;
	89	fOuterBoxSize[2] = xtalModuleZSize + 2 * ( fAirThickness[2] + fModuleBoxThickness
	90	+ fTextolitBoxThickness[2] + fOuterBoxThickness[2] ) ;
	91
	92	fTextolitBoxSize[0] = fOuterBoxSize[0] - 2 * fOuterBoxThickness[0] ;
	93	fTextolitBoxSize[1] = fOuterBoxSize[1] - fOuterBoxThickness[1] - fUpperPlateThickness ;
	94	fTextolitBoxSize[2] = fOuterBoxSize[2] - 2 * fOuterBoxThickness[2] ;
	95
	96	fAirFilledBoxSize[0] = fTextolitBoxSize[0] - 2 * fTextolitBoxThickness[0] ;
	97	fAirFilledBoxSize[1] = fTextolitBoxSize[1] - fSecondUpperPlateThickness ;
	98	fAirFilledBoxSize[2] = fTextolitBoxSize[2] - 2 * fTextolitBoxThickness[2] ;
	99
	100	}
	101	//____________________________________________________________________________