三维坐标与向量变换

在全局坐标系与局部坐标系之间转换坐标及矢量分量；计算与椭球体的交点

在地心地固坐标系 (ECEF)、大地坐标系、东北天坐标系 (ENU)、北东地坐标系 (NED) 和方位-仰角-距离坐标系 (AER) 之间转换三维坐标。在 ECEF、ENU 和 NED 坐标系之间转换三维矢量分量。

您选择的转换函数类型取决于您的数据。如果您的数据表示相对于坐标系原点的相对位置，请选择坐标变换。如果您的数据表示速度或加速度等量值，请选择向量转换函数。

函数

`aer2ecef`	Transform local spherical coordinates to geocentric Earth-centered Earth-fixed
`enu2ecef`	将局部东北天坐标转换为地心地固坐标
`geodetic2ecef`	将大地坐标转换为地心地固坐标
`ned2ecef`	将局部北东地坐标转换为地心地固坐标
`ecefOffset`	Cartesian ECEF offset between geodetic coordinates

`aer2geodetic`	Transform local spherical coordinates to geodetic
`ecef2geodetic`	将地心地固坐标系转换为大地坐标系
`enu2geodetic`	Transform local east-north-up coordinates to geodetic
`ned2geodetic`	Transform local north-east-down coordinates to geodetic
`lookAtSpheroid`	Line of sight intersection with oblate spheroid

`aer2enu`	Transform local spherical coordinates to local east-north-up
`ecef2enu`	将地心地固坐标转换为局部东北天坐标
`geodetic2enu`	将大地坐标转换为局部东北天坐标

`aer2ned`	Transform local spherical coordinates to local north-east-down
`ecef2ned`	将地心地固坐标转换为局部北东地坐标
`geodetic2ned`	将大地坐标转换为局部北东地坐标系

`ecef2aer`	将地心地固坐标转换为局部球坐标
`enu2aer`	将局部东北天坐标系转换为局部球面坐标系
`geodetic2aer`	将大地坐标转换为局部球面坐标
`ned2aer`	Transform local north-east-down coordinates to local spherical

`ecef2enuv`	将地心地固坐标系中的向量旋转至局部东北天坐标系
`ecef2nedv`	Rotate geocentric Earth-centered Earth-fixed vector to local north-east-down
`enu2ecefv`	Rotate local east-north-up vector to geocentric Earth-centered Earth-fixed
`ned2ecefv`	Rotate local north-east-down vector to geocentric Earth-centered Earth-fixed

三维坐标系比较
学习如何根据数据选择坐标变换函数。
Vectors in 3-D Coordinate Systems
Vector transformations differ from coordinate transformations.
从正高推算椭球高
通过使用正高和大地水准面模型，求解某点的椭球高。

Start with a 3-D feature in ENU coordinates, then transform and combine it with a globe display in ECEF coordinates.