greatCircle

Calculate great circles routes as LineString
计算大圆弧LineString

参数

参数	类型	描述
start	Coord	source point feature
end	Coord	destination point feature
options	Object	Optional parameters: see below

options选项

属性	类型	默认值	描述
properties	Object	{}	line feature properties
npoints	number	100	number of points
offset	number	10	offset controls the likelyhood that lines will be split which cross the dateline. The higher the number the more likely.

返回

Feature <LineString> - great circle line feature

示例

var start = turf.point([-122, 48]);
var end = turf.point([-77, 39]);

var greatCircle = turf.greatCircle(start, end, {'name': 'Seattle to DC'});