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EllipsoidGeodesic

new Cesium.EllipsoidGeodesic(start, end, ellipsoid)
engine/Source/Core/EllipsoidGeodesic.js 285

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.WGS84 optional The ellipsoid on which the geodesic lies.

Members

readonly ellipsoid : Ellipsoid
engine/Source/Core/EllipsoidGeodesic.js 309

Gets the ellipsoid.

readonly end : Cartographic
engine/Source/Core/EllipsoidGeodesic.js 349

Gets the final planetodetic point on the path.

readonly endHeading : number
engine/Source/Core/EllipsoidGeodesic.js 377

Gets the heading at the final point.

readonly start : Cartographic
engine/Source/Core/EllipsoidGeodesic.js 337

Gets the initial planetodetic point on the path.

readonly startHeading : number
engine/Source/Core/EllipsoidGeodesic.js 361

Gets the heading at the initial point.

readonly surfaceDistance : number
engine/Source/Core/EllipsoidGeodesic.js 321

Gets the surface distance between the start and end point

Methods

interpolateUsingFraction(fraction, result) → Cartographic
engine/Source/Core/EllipsoidGeodesic.js 410

Provides the location of a point at the indicated portion along the geodesic.
Name Type Description
fraction number The portion of the distance between the initial and final points.
result Cartographic optional The object in which to store the result.
Returns:
The location of the point along the geodesic.

interpolateUsingSurfaceDistance(distance, result) → Cartographic
engine/Source/Core/EllipsoidGeodesic.js 429

Provides the location of a point at the indicated distance along the geodesic.
Name Type Description
distance number The distance from the inital point to the point of interest along the geodesic
result Cartographic optional The object in which to store the result.
Returns:
The location of the point along the geodesic.
Throws:
  • DeveloperError : start and end must be set before calling function interpolateUsingSurfaceDistance

setEndPoints(start, end)
engine/Source/Core/EllipsoidGeodesic.js 394

Sets the start and end points of the geodesic
Name Type Description
start Cartographic The initial planetodetic point on the path.
end Cartographic The final planetodetic point on the path.
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