EllipseOutlineGeometry

new EllipseOutlineGeometry(options)

A description of the outline of an ellipse on an ellipsoid.
Name Type Description
options Object Object with the following properties:
Name Type Default Description
center Cartesian3 The ellipse's center point in the fixed frame.
semiMajorAxis Number The length of the ellipse's semi-major axis in meters.
semiMinorAxis Number The length of the ellipse's semi-minor axis in meters.
ellipsoid Ellipsoid Ellipsoid.WGS84 optional The ellipsoid the ellipse will be on.
height Number 0.0 optional The height above the ellipsoid.
extrudedHeight Number optional The height of the extrusion.
rotation Number 0.0 optional The angle from north (clockwise) in radians.
granularity Number 0.02 optional The angular distance between points on the ellipse in radians.
numberOfVerticalLines Number 16 optional Number of lines to draw between the top and bottom surface of an extruded ellipse.
Throws:
Example:
var ellipse = new Cesium.EllipseOutlineGeometry({
  center : Cesium.Cartesian3.fromDegrees(-75.59777, 40.03883),
  semiMajorAxis : 500000.0,
  semiMinorAxis : 300000.0,
  rotation : Cesium.Math.toRadians(60.0)
});
var geometry = Cesium.EllipseOutlineGeometry.createGeometry(ellipse);
Demo:
See:
Source: Core/EllipseOutlineGeometry.js, line 164

Members

staticEllipseOutlineGeometry.packedLength :Number

The number of elements used to pack the object into an array.
Source: Core/EllipseOutlineGeometry.js, line 214

Methods

staticEllipseOutlineGeometry.createGeometry(ellipseGeometry) → Geometry

Computes the geometric representation of an outline of an ellipse on an ellipsoid, including its vertices, indices, and a bounding sphere.
Name Type Description
ellipseGeometry EllipseOutlineGeometry A description of the ellipse.
Returns:
The computed vertices and indices.
Source: Core/EllipseOutlineGeometry.js, line 328

staticEllipseOutlineGeometry.pack(value, array, startingIndex)

Stores the provided instance into the provided array.
Name Type Default Description
value Object The value to pack.
array Array.<Number> The array to pack into.
startingIndex Number 0 optional The index into the array at which to start packing the elements.
Source: Core/EllipseOutlineGeometry.js, line 224

staticEllipseOutlineGeometry.unpack(array, startingIndex, result)

Retrieves an instance from a packed array.
Name Type Default Description
array Array.<Number> The packed array.
startingIndex Number 0 optional The starting index of the element to be unpacked.
result EllipseOutlineGeometry optional The object into which to store the result.
Source: Core/EllipseOutlineGeometry.js, line 273