3次元座標とベクトル変換

座標とベクトル成分をグローバルシステムとローカルシステム間で変換、回転楕円体との交差を見つける

地球中心地球固定 (ECEF)、測地、東北上 (ENU)、北東下 (NED)、方位角標高範囲 (AER) システム間で 3D 座標を変換。ECEF、ENU、NED システム間で 3Dベクトルコンポーネントを変換。

選択する変換関数のタイプはデータによって異なります。データがシステムの原点に対する相対的な位置を表す場合は、座標変換を選択します。データが速度や加速度などの量を表す場合は、ベクトル変換関数を選択します。

関数

`aer2ecef`	Transform local spherical coordinates to geocentric Earth-centered Earth-fixed
`enu2ecef`	Transform local east-north-up coordinates to geocentric Earth-centered Earth-fixed
`geodetic2ecef`	測地座標を地心座標に変換地球中心座標地球固定座標
`ned2ecef`	Transform local north-east-down coordinates to geocentric Earth-centered Earth-fixed
`ecefOffset`	Cartesian ECEF offset between geodetic coordinates

`aer2geodetic`	Transform local spherical coordinates to geodetic
`ecef2geodetic`	地球中心の地球固定座標を測地座標に変換
`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`	地心地球中心地球固定座標をローカルな東北上に変換
`geodetic2enu`	測地座標をローカルの東北上に変換

`aer2ned`	Transform local spherical coordinates to local north-east-down
`ecef2ned`	Transform geocentric Earth-centered Earth-fixed coordinates to local north-east-down
`geodetic2ned`	Transform geodetic coordinates to local north-east-down

`ecef2aer`	Transform geocentric Earth-centered Earth-fixed coordinates to local spherical
`enu2aer`	Transform local east-north-up coordinates to local spherical
`geodetic2aer`	Transform geodetic coordinates to local spherical
`ned2aer`	Transform local north-east-down coordinates to local spherical

`ecef2enuv`	Rotate geocentric Earth-centered Earth-fixed vector to local east-north-up
`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

3次元座標系の比較
データに基づいて座標変換関数を選択する方法を学びます。
Vectors in 3-D Coordinate Systems
Vector transformations differ from coordinate transformations.
標高から楕円体高を求める
正射高度とジオイドモデルを使用して、点の楕円体高を求めます。

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