# randomPolygon
Returns a random polygon.
返回一个随机Polygon
> npm install @turf/random
参数
| 参数 | 类型 | 描述 |
|---|---|---|
| count | number | how many geometries will be generated |
| options | Object | 可选参数：见下文 |
options选项
| 属性 | 类型 | 默认值 | 描述 |
|---|---|---|---|
| bbox | Array | [-180,-90,180,90] | a bounding box inside of which geometries are placed. |
| num_vertices | number | 10 | is how many coordinates each LineString will contain. |
| max_radial_length | number | 10 | is the maximum number of decimal degrees latitude or longitude that a vertex can reach out of the center of the Polygon. |
返回
FeatureCollection <Point> - GeoJSON FeatureCollection of points
示例
var polygons = turf.randomPolygon(25, {bbox: [-180, -90, 180, 90]})
//=polygons