circle

Takes a Point and calculates the circle polygon given a radius in degrees, radians, miles, or kilometers; and steps for precision.
取一个点并计算给定的以度、弧度、英里或公里为半径的圆多边形

参数

参数	类型	描述
center	(Feature <Point>|Array)	center point
radius	number	radius of the circle
options	Object	Optional parameters: see below

options选项

属性	类型	默认值	描述
units	string	kilometers	any of the options supported by turf units
steps	number	64	number of steps
properties	Object	{}	properties

返回

Feature <Polygon> - circle polygon

示例

var center = [-75.343, 39.984];
var radius = 5;
var options = {steps: 10, units: 'kilometers', properties: {foo: 'bar'}};
var circle = turf.circle(center, radius, options);