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Added strategy to convert spherical equatorial

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[SVN r72981]
This commit is contained in:
Barend Gehrels
2011-07-09 13:20:55 +00:00
parent 85ac00be0c
commit b896888ec3
1 changed files with 27 additions and 0 deletions
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27
include/boost/geometry/strategies/strategy_transform.hpp
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@@ -222,6 +222,17 @@ namespace detail
set_from_radian<1>(p, acos(z));
return true;
}
template <typename P, typename T>
inline bool cartesian_to_spherical_equatorial2(T x, T y, T z, P& p)
{
assert_dimension<P, 2>();
set_from_radian<0>(p, atan2(y, x));
set_from_radian<1>(p, asin(z));
return true;
}
template <typename P, typename T>
inline bool cartesian_to_spherical3(T x, T y, T z, P& p)
@@ -323,6 +334,16 @@ struct from_cartesian_3_to_spherical_polar_2
}
};
template <typename P1, typename P2>
struct from_cartesian_3_to_spherical_equatorial_2
{
inline bool apply(P1 const& p1, P2& p2) const
{
assert_dimension<P1, 3>();
return detail::cartesian_to_spherical_equatorial2(get<0>(p1), get<1>(p1), get<2>(p1), p2);
}
};
/*!
\brief Transformation strategy for 3D cartesian (x,y,z) to 3D spherical (phi,theta,r)
@@ -421,6 +442,12 @@ struct default_strategy<cartesian_tag, spherical_polar_tag, CoordSys1, CoordSys2
typedef from_cartesian_3_to_spherical_polar_2<P1, P2> type;
};
template <typename CoordSys1, typename CoordSys2, typename P1, typename P2>
struct default_strategy<cartesian_tag, spherical_equatorial_tag, CoordSys1, CoordSys2, 3, 2, P1, P2>
{
typedef from_cartesian_3_to_spherical_equatorial_2<P1, P2> type;
};
/// Specialization to transform from XYZ to sphere(phi,theta,r)
template <typename CoordSys1, typename CoordSys2, typename P1, typename P2>
struct default_strategy<cartesian_tag, spherical_polar_tag, CoordSys1, CoordSys2, 3, 3, P1, P2>