Question

Creates a circular arc, of a circle of the given radius and center point, between bearing1 and bearing2; 0 bearing is North of center point, positive clockwise.
在bearing1和bearing2之间创建给定半径和圆心点的圆弧；0方位为中心点以北，顺时针正。

参数

参数	类型	描述
center	Coord	center point
radius	number	radius of the circle
bearing1	number	angle, in decimal degrees, of the first radius of the arc
bearing2	number	angle, in decimal degrees, of the second radius of the arc
options	Object	可选参数：见下文

options选项

属性	类型	默认值	描述
steps	number	64	number of steps
units	string	kilometers	miles, kilometers, degrees, or radians

返回

Feature <LineString> - line arc

示例

var center = turf.point([-75, 40]);
var radius = 5;
var bearing1 = 25;
var bearing2 = 47;

var arc = turf.lineArc(center, radius, bearing1, bearing2);