/// <summary>
/// 克氏椭球元素
/// </summary>
public void Klinefelter_ellipsoid()
{
data =
new ElpElement
{
a = 6378245,
b = 6356863.0187730473,
c = 6399698.9017827110,
alph = 1 / 298.3,
e_2 = 0.006693421622966,
e2_2 = 0.006738525414683
};
}
/// <summary>
/// 1975国际椭球元素
/// </summary>
public void International_ellipsoid1975()
{
data =
new ElpElement
{
a = 6378140,
b = 6356755.2881575287,
c = 6399596.6519880105,
alph = 1 / 298.257,
e_2 = 0.006694384999588,
e2_2 = 0.006739501819473
};
}
/// <summary>
/// WGS-84椭球元素
/// </summary>
public void WGS84_ellipsoid()
{
data =
new ElpElement
{
a = 6378137,
b = 6356752.3142,
c = 6399593.6258,
alph = 1 / 298.257223563,
e_2 = 0.00669437999013,
e2_2 = 0.00673949674227
};
}
/// <summary>
/// 1975国际椭球元素
/// </summary>
public void International_ellipsoid1975()
{
data =
new ElpElement
{
a = 6378140,
b = 6356755.2881575287,
c = 6399596.6519880105,
alph = 1 / 298.257,
e_2 = 0.006694384999588,
e2_2 = 0.006739501819473
};
}
/// <summary>
/// 克氏椭球元素
/// </summary>
public void Klinefelter_ellipsoid()
{
data =
new ElpElement
{
a = 6378245,
b = 6356863.0187730473,
c = 6399698.9017827110,
alph = 1 / 298.3,
e_2 = 0.006693421622966,
e2_2 = 0.006738525414683
};
}
/// <summary>
/// 中国大地坐标系
/// </summary>
public void CGCS2000_ellipsoid()
{
data =
new ElpElement
{
a = 6378137,
b = 6356752.3141,
c = 6399593.6259,
alph = 1 / 298.257222,
e_2 = 0.00669438002290,
e2_2 = 0.00673949677548
};
}
/// <summary>
/// WGS-84椭球元素
/// </summary>
public void WGS84_ellipsoid()
{
data =
new ElpElement
{
a = 6378137,
b = 6356752.3142,
c = 6399593.6258,
alph = 1 / 298.257223563,
e_2 = 0.00669437999013,
e2_2 = 0.00673949674227
};
}
/// <summary>
/// 中国大地坐标系
/// </summary>
public void CGCS2000_ellipsoid()
{
data =
new ElpElement
{
a = 6378137,
b = 6356752.3141,
c = 6399593.6259,
alph = 1 / 298.257222,
e_2 = 0.00669438002290,
e2_2 = 0.00673949677548
};
}
