Initializes a geodesic on the ellipsoid connecting the two provided planetodetic points.
| Name | Type | Default | Description |
|---|---|---|---|
start |
Cartographic | optional The initial planetodetic point on the path. | |
end |
Cartographic | optional The final planetodetic point on the path. | |
ellipsoid |
Ellipsoid |
Ellipsoid.default
|
optional The ellipsoid on which the geodesic lies. |
Members
readonly ellipsoid : Ellipsoid
Gets the ellipsoid.
readonly end : Cartographic
Gets the final planetodetic point on the path.
Gets the heading at the final point.
readonly start : Cartographic
Gets the initial planetodetic point on the path.
Gets the heading at the initial point.
Gets the surface distance between the start and end point
Methods
interpolateUsingFraction(fraction, result) → Cartographic
提供沿测地线的指示部分的点的位置。
| Name | Type | Description |
|---|---|---|
fraction |
number | 初始点和最终点之间的距离部分。 |
result |
Cartographic | optional 存储结果的对象。 |
Returns:
沿测地线的点的位置。
interpolateUsingSurfaceDistance(distance, result) → Cartographic
提供沿测地线的指示距离处的点的位置。
| Name | Type | Description |
|---|---|---|
distance |
number | 沿测地线从初始点到感兴趣点的距离 |
result |
Cartographic | optional 存储结果的对象。 |
Returns:
沿测地线的点的位置。
Throws:
-
DeveloperError : start and end must be set before calling function interpolateUsingSurfaceDistance
设置测地线的起点和终点
| Name | Type | Description |
|---|---|---|
start |
Cartographic | 路径上的初始行星点。 |
end |
Cartographic | 路径上的最后一个行星点。 |