MaterialProperties.h

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/*
  Copyright (C) 2002-2021 CERN for the benefit of the ATLAS collaboration
*/

// MaterialProperties.h, (c) ATLAS Detector software
 
#ifndef TRKGEOMETRY_MATERIALPROPERTIES_H
#define TRKGEOMETRY_MATERIALPROPERTIES_H
 
#include "GaudiKernel/MsgStream.h"
#include "TrkGeometry/Material.h"
// STD
#include <iosfwd>
 
class MaterialPropertiesCnv_p1;
 
namespace Trk {

 
class MaterialProperties {
 public:
  MaterialProperties() = default;
  MaterialProperties(const MaterialProperties& mprop) = default;
  MaterialProperties& operator=(const MaterialProperties& mprop) = default;
  MaterialProperties(MaterialProperties&& mprop) = default;
  MaterialProperties& operator=(MaterialProperties&& mprop) = default;
  ~MaterialProperties() = default;

  MaterialProperties(float path, float Xo, float Lo, float averageA,
                     float averageZ, float averageRho, float dEdX = 0.);

  MaterialProperties(const Material& material, float path);

  MaterialProperties* clone() const;

  MaterialProperties& operator*=(float scale);

  const Material& material() const;

  Material& material();

  float x0() const;

  float l0() const;

  float thickness() const;

  float thicknessInX0() const;

  float thicknessInL0() const;

  float averageZ() const;

  float averageA() const;

  float averageRho() const;

  float zOverAtimesRho() const;

  float zOverAtimesRhoTimesD() const;

  float dEdX() const;

  void addMaterial(const Material& mp, float dInX0);

  void setMaterial(const Material& mp, float thickness = 1.);
 
 protected:
  friend class ::MaterialPropertiesCnv_p1;

  void setDeDx(float dEdX);
 
  Material m_material;
  float m_dInX0 = 0;  
  float m_dInL0 = 0;  
  float m_zOaTrTd =
      0;  
};

MsgStream& operator<<(MsgStream& sl, const MaterialProperties& mprop);
std::ostream& operator<<(std::ostream& sl, const MaterialProperties& mprop);

typedef std::vector<const MaterialProperties*> MaterialPropertiesVector;
typedef std::vector<MaterialPropertiesVector> MaterialPropertiesMatrix;
 
}  // namespace Trk
 
#include "TrkGeometry/MaterialProperties.icc"
#endif  // TRKGEOMETRY_MATERIALPROPERTIES_H