LineSaggingDescriptor.h

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/*
  Copyright (C) 2002-2019 CERN for the benefit of the ATLAS collaboration
*/

// DistortionDescriptor.h, (c) ATLAS Detector software
 
#ifndef TRKDISTORTEDSURFACES_LINESAGGINGDESCRIPTOR_H
#define TRKDISTORTEDSURFACES_LINESAGGINGDESCRIPTOR_H
 
//STL
#include <iosfwd>
//#include <iomanip>
 
//GaudiKernel
#include "GaudiKernel/MsgStream.h"
// Geo & Maths
#include "GeoPrimitives/GeoPrimitives.h"
 
namespace Trk {

 
  class LineSaggingDescriptor final {
 
    public:
     LineSaggingDescriptor()
         : m_wireLength{}, m_wireTension{}, m_linearDensity{} {
       // nop
     }

     LineSaggingDescriptor(double wireLength,
                           double wireTension,
                           double linearDensity);

     MsgStream& dump(MsgStream& sl) const;

     std::ostream& dump(std::ostream& sl) const;
 
    protected:
     double m_wireLength;
     double m_wireTension;
     double m_linearDensity;

     static const double s_elecStatFactor;
     alignas(16) static const Amg::Vector3D s_gravityDirection;
     alignas(16) static const Amg::Vector3D s_referenceDirection;
  };
 
} // end of namespace
 
#endif