# 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);

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