///////////////////////////////////////////////////////////////////////////////
/// \class RAT::geo::HoldDownRope
///
/// \brief  Builds a holdDownRope
///
/// \author Phil G Jones <p.g.jones@qmul.ac.uk>
/// \author Aksel Hallin <aksel.hallin@ualberta.ca> -- contact person
///
/// REVISION HISTORY:\n
///     2013-11-21 : P G Jones - New file. \n
///
/// \details HoldDownRope solid factory.
///
///////////////////////////////////////////////////////////////////////////////

#ifndef __RAT_geo_HoldDownRope_hh__
#define __RAT_geo_HoldDownRope_hh__

#include <RAT/GeoSolid.hh>

#include <string>

namespace RAT
{
namespace geo
{

class HoldDownRope : public GeoSolid
{
public:
  /// Construct a HoldDownRope, name the factory holdDownRope
  HoldDownRope() : GeoSolid( "holdDownRope" ) { }

  /// Return the solid shape, as defined in the table
  ///
  /// @param[in] name the prefix for the solid name
  /// @param[in] table is the ratdb table defining the hold down rope
  /// @return The geant4 solid for the hold down rope
  virtual G4VSolid* Construct( const std::string& name,
                               DBLinkPtr table ) const;
protected:
  /// Build the HoldDownRope shape
  ///
  /// The points correspond to the locus of going from the base on one side
  /// to the base on another. The sling is the equivalent of a knot point
  /// on another rope.
  ///
  /// @param[in] name the prefix for the solid name
  /// @param[in] base1 the start anchor point
  /// @param[in] equator1 first point where rope meets av equator
  /// @param[in] knot1 first point where the rope is knotted to the sling
  /// @param[in] knot2 second point (opposite side) where rope knotes with the sling
  /// @param[in] equator2 second point where the rope meets av equator
  /// @param[in] base2 the end anchor point
  /// @param[in] sling the position of the far end of the sling
  /// @param[in] radialThickness rope thickness
  /// @param[in] avRadius radius of the av the rope passed over
  /// @return The geant4 solid for the hold down rope
  G4VSolid* ConstructHoldDownRope( const std::string& name,
                                   const G4ThreeVector base1,
                                   const G4ThreeVector equator1,
                                   const G4ThreeVector knot1,
                                   const G4ThreeVector knot2,
                                   const G4ThreeVector equator2,
                                   const G4ThreeVector base2,
                                   const G4ThreeVector sling,
                                   const double radialThickness,
                                   const double avRadius ) const;
};

} //::geo

} //::RAT

#endif