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

/*
  $Log$
  Revision 1.2  2000/11/09 15:49:00  martinez
  Coding convention rules obeyed

  Revision 1.1  2000/11/03 16:29:02  schutz
  PPSD geometry class to correct previous name-convetion rule violation

*/

//_________________________________________________________________________
// Geometry class  for PHOS : PPSD (PHOS Preshower Detector)
// Its data members provide geometry parametrization of PPSD
// which can be changed in the constructor only.
// Author   : Yves Schutz (SUBATECH)
// Modified : Yuri Kharlov (IHEP, Protvino)
// 7 November 2000

// --- ROOT system ---

// --- Standard library ---

// --- AliRoot header files ---

#include "AliPHOSPPSDGeometry.h"

ClassImp(AliPHOSPPSDGeometry) ;

//____________________________________________________________________________
AliPHOSPPSDGeometry::AliPHOSPPSDGeometry()
{

  // Initializes the PPSD parameters

  fAnodeThickness           = 0.0009 ; 
  fAvalancheGap             = 0.01 ; 
  fCathodeThickness         = 0.0009 ;
  fCompositeThickness       = 0.3 ; 
  fConversionGap            = 0.6 ; 
  fLeadConverterThickness   = 0.56 ; 
  fLeadToMicro2Gap          = 0.1 ; 
  fLidThickness             = 0.2 ; 
  fMicro1ToLeadGap          = 0.1 ; 
  fMicromegasWallThickness  = 0.6 ; 
  fNumberOfModulesPhi       = 4 ; 
  fNumberOfModulesZ         = 4 ; 
  fNumberOfPadsPhi          = 32 ;
  fNumberOfPadsZ            = 32 ;
  fPCThickness              = 0.1 ;
  fPhiDisplacement          = 0.8 ;
  fZDisplacement            = 0.8 ;  

  fMicromegas1Thickness     = fLidThickness + 2 * fCompositeThickness + fCathodeThickness 
                            + fPCThickness + fAnodeThickness + fConversionGap + fAvalancheGap ; 
  fMicromegas2Thickness     = fMicromegas1Thickness ; 

  fPPSDModuleSize[0]        = 38.0 ; 
  fPPSDModuleSize[1]        = fMicromegas1Thickness ; 
  fPPSDModuleSize[2]        = 38.0 ; 
 
  fPPSDBoxSize[0]           = fNumberOfModulesPhi * fPPSDModuleSize[0] + 2 * fPhiDisplacement ;  
  fPPSDBoxSize[1]           = fMicromegas2Thickness + fMicromegas2Thickness 
                            + fLeadConverterThickness + fMicro1ToLeadGap + fLeadToMicro2Gap ;    
  fPPSDBoxSize[2]           = fNumberOfModulesZ *  fPPSDModuleSize[2] + 2 * fZDisplacement ;

}

//____________________________________________________________________________
Commit	Line	Data
7119952d	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	/*
	17	$Log$
15dfd892	18	Revision 1.2 2000/11/09 15:49:00 martinez
	19	Coding convention rules obeyed
	20
a3dfe79c	21	Revision 1.1 2000/11/03 16:29:02 schutz
	22	PPSD geometry class to correct previous name-convetion rule violation
	23
7119952d	24	*/
	25
	26	//_________________________________________________________________________
	27	// Geometry class for PHOS : PPSD (PHOS Preshower Detector)
a3dfe79c	28	// Its data members provide geometry parametrization of PPSD
	29	// which can be changed in the constructor only.
	30	// Author : Yves Schutz (SUBATECH)
	31	// Modified : Yuri Kharlov (IHEP, Protvino)
	32	// 7 November 2000
	33
7119952d	34	// --- ROOT system ---
	35
	36	// --- Standard library ---
	37
7119952d	38	// --- AliRoot header files ---
	39
	40	#include "AliPHOSPPSDGeometry.h"
	41
	42	ClassImp(AliPHOSPPSDGeometry) ;
	43
	44	//____________________________________________________________________________
	45	AliPHOSPPSDGeometry::AliPHOSPPSDGeometry()
	46	{
	47
	48	// Initializes the PPSD parameters
	49
	50	fAnodeThickness = 0.0009 ;
	51	fAvalancheGap = 0.01 ;
	52	fCathodeThickness = 0.0009 ;
	53	fCompositeThickness = 0.3 ;
	54	fConversionGap = 0.6 ;
	55	fLeadConverterThickness = 0.56 ;
	56	fLeadToMicro2Gap = 0.1 ;
	57	fLidThickness = 0.2 ;
	58	fMicro1ToLeadGap = 0.1 ;
	59	fMicromegasWallThickness = 0.6 ;
	60	fNumberOfModulesPhi = 4 ;
	61	fNumberOfModulesZ = 4 ;
a3dfe79c	62	fNumberOfPadsPhi = 32 ;
	63	fNumberOfPadsZ = 32 ;
	64	fPCThickness = 0.1 ;
	65	fPhiDisplacement = 0.8 ;
7119952d	66	fZDisplacement = 0.8 ;
	67
	68	fMicromegas1Thickness = fLidThickness + 2 * fCompositeThickness + fCathodeThickness
	69	+ fPCThickness + fAnodeThickness + fConversionGap + fAvalancheGap ;
	70	fMicromegas2Thickness = fMicromegas1Thickness ;
	71
	72	fPPSDModuleSize[0] = 38.0 ;
	73	fPPSDModuleSize[1] = fMicromegas1Thickness ;
	74	fPPSDModuleSize[2] = 38.0 ;
	75
	76	fPPSDBoxSize[0] = fNumberOfModulesPhi * fPPSDModuleSize[0] + 2 * fPhiDisplacement ;
	77	fPPSDBoxSize[1] = fMicromegas2Thickness + fMicromegas2Thickness
	78	+ fLeadConverterThickness + fMicro1ToLeadGap + fLeadToMicro2Gap ;
	79	fPPSDBoxSize[2] = fNumberOfModulesZ * fPPSDModuleSize[2] + 2 * fZDisplacement ;
	80
	81	}
	82
	83	//____________________________________________________________________________