Class Sphere

Classdesc

Class to create objects that can be used with ol.geom.Polygon.circular.

For example to create a sphere whose radius is equal to the semi-major axis of the WGS84 ellipsoid:

var wgs84Sphere= new ol.Sphere(6378137);

Param: radius

Radius.

Api

Constructors

constructor

Methods

geodesicArea haversineDistance

Constructors

constructor

  • new Sphere(radius): Sphere

  • Parameters

    • radius: number

      Radius.

    Returns Sphere

    Classdesc

    Class to create objects that can be used with ol.geom.Polygon.circular.

    For example to create a sphere whose radius is equal to the semi-major axis of the WGS84 ellipsoid:

    var wgs84Sphere= new ol.Sphere(6378137);

    Api

Methods

geodesicArea

  • geodesicArea(coordinates): number

  • Returns the geodesic area for a list of coordinates.

    Reference Robert. G. Chamberlain and William H. Duquette, "Some Algorithms for Polygons on a Sphere", JPL Publication 07-03, Jet Propulsion Laboratory, Pasadena, CA, June 2007

    Parameters

    • coordinates: Coordinate[]

      List of coordinates of a linear ring. If the ring is oriented clockwise, the area will be positive, otherwise it will be negative.

    Returns number

    Area.

    Api

haversineDistance

  • haversineDistance(c1, c2): number

  • Returns the distance from c1 to c2 using the haversine formula.

    Parameters

    Returns number

    Haversine distance.

    Api

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