[u/mrichter/AliRoot.git] / FMD / AliFMDParameters.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.                  *
 **************************************************************************/

/* $Id$ */

//____________________________________________________________________
//                                                                          
// Forward Multiplicity Detector based on Silicon wafers. 
//
// This class is a singleton that handles various parameters of
// the FMD detectors.  
// Eventually, this class will use the Conditions DB to get the
// various parameters, which code can then request from here.
//                                                       
#include "AliFMDParameters.h"	// ALIFMDPARAMETERS_H
#include "AliFMDGeometry.h"	// ALIFMDGEOMETRY_H
#include "AliFMDRing.h"	        // ALIFMDRING_H
#include "AliLog.h"		// ALILOG_H
#include <Riostream.h>

//====================================================================
ClassImp(AliFMDParameters)
#if 0
  ; // This is here to keep Emacs for indenting the next line
#endif

//____________________________________________________________________
AliFMDParameters* AliFMDParameters::fgInstance = 0;

//____________________________________________________________________
AliFMDParameters* 
AliFMDParameters::Instance() 
{
  // Get static instance 
  if (!fgInstance) fgInstance = new AliFMDParameters;
  return fgInstance;
}

//____________________________________________________________________
AliFMDParameters::AliFMDParameters() 
  : fSiDeDxMip(1.664)
{
  // Default constructor 
  SetVA1MipRange();
  SetAltroChannelSize();
  SetChannelsPerAltro();
  SetZeroSuppression();
  SetSampleRate();
  SetPedestal();
  SetPedestalWidth();
  SetPedestalFactor();
}


//__________________________________________________________________
Float_t
AliFMDParameters::GetEdepMip() const 
{ 
  // Get energy deposited by a MIP in the silicon sensors
  AliFMDGeometry* fmd = AliFMDGeometry::Instance();
  return (fSiDeDxMip 
	  * fmd->GetRing('I')->GetSiThickness() 
	  * fmd->GetSiDensity());
}

//____________________________________________________________________
//
// EOF
//
Commit	Line	Data
1a1fdef7	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	//
	20	// Forward Multiplicity Detector based on Silicon wafers.
	21	//
	22	// This class is a singleton that handles various parameters of
	23	// the FMD detectors.
088f8e79	24	// Eventually, this class will use the Conditions DB to get the
088f8e79	25	// various parameters, which code can then request from here.
1a1fdef7	26	//
	27	#include "AliFMDParameters.h" // ALIFMDPARAMETERS_H
	28	#include "AliFMDGeometry.h" // ALIFMDGEOMETRY_H
	29	#include "AliFMDRing.h" // ALIFMDRING_H
	30	#include "AliLog.h" // ALILOG_H
	31	#include <Riostream.h>
	32
	33	//====================================================================
	34	ClassImp(AliFMDParameters)
	35	#if 0
	36	; // This is here to keep Emacs for indenting the next line
	37	#endif
	38
	39	//____________________________________________________________________
	40	AliFMDParameters* AliFMDParameters::fgInstance = 0;
	41
	42	//____________________________________________________________________
	43	AliFMDParameters*
	44	AliFMDParameters::Instance()
	45	{
	46	// Get static instance
	47	if (!fgInstance) fgInstance = new AliFMDParameters;
	48	return fgInstance;
	49	}
	50
	51	//____________________________________________________________________
	52	AliFMDParameters::AliFMDParameters()
	53	: fSiDeDxMip(1.664)
	54	{
	55	// Default constructor
	56	SetVA1MipRange();
	57	SetAltroChannelSize();
	58	SetChannelsPerAltro();
	59	SetZeroSuppression();
	60	SetSampleRate();
	61	SetPedestal();
	62	SetPedestalWidth();
	63	SetPedestalFactor();
	64	}
	65
	66
	67
	68	//__________________________________________________________________
	69	Float_t
	70	AliFMDParameters::GetEdepMip() const
	71	{
	72	// Get energy deposited by a MIP in the silicon sensors
	73	AliFMDGeometry* fmd = AliFMDGeometry::Instance();
	74	return (fSiDeDxMip
	75	* fmd->GetRing('I')->GetSiThickness()
	76	* fmd->GetSiDensity());
	77	}
	78
	79	//____________________________________________________________________
	80	//
	81	// EOF
	82	//