TRT_SimDriftTimeTool.h

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/*
  Copyright (C) 2002-2019 CERN for the benefit of the ATLAS collaboration
*/
 
//                                  //
//  Class: TRT_SimDriftTimeTool     //
//                                  //
//  Author: Thomas Kittelmann       //
//                                  //
//  First Version: January 2006     //
//                                  //
 
#ifndef TRT_DIGITIZATION_TRT_SIMDRIFTTIMETOOL_H
#define TRT_DIGITIZATION_TRT_SIMDRIFTTIMETOOL_H
#include "ITRT_SimDriftTimeTool.h"
#include "GaudiKernel/ServiceHandle.h"
#include "GaudiKernel/ToolHandle.h"
#include "AthenaBaseComps/AthAlgTool.h"
 
 
class TRT_SimDriftTimeTool : public AthAlgTool,  virtual public ITRT_SimDriftTimeTool
{
public:
 
  // Standard Constructor:
  TRT_SimDriftTimeTool(const std::string& type,
                       const std::string& name,
                       const IInterface* parent);
 
  // ITRT_SimDriftTimeTool interface implementation:
  virtual double getAverageDriftTime( const double& distIndex,
                                      const double& effectivefield_squared,
                                      int strawGasType) const;
 
  // override intialize() method:
  virtual StatusCode initialize();
 
private:
 
  const double m_minDistance;
  const double m_maxDistance;
  double m_maxField;
  double m_maxFieldSquaredLimit;
  double m_invMaxFieldSquared;
 
  unsigned int m_digversion;
 
  const unsigned int m_nTabulatedDistances;
  const double m_invDeltaTabulatedDistances;
 
  std::vector < std::vector<double> > m_table_of_dist2meanDT_at_noField;
  std::vector < std::vector<double> > m_table_of_dist2meanDT_at_maxField;
 
};
 
#endif