Question

Creates a FeatureCollection of 2-vertex LineString segments from a (Multi)LineString or (Multi)Polygon.
从一个(多)LineString或(多)多Polygon创建一个2-vertex线段的FeatureCollection。

参数

参数	类型	描述
geojson	(Geometry|FeatureCollection|Feature <(LineString|MultiLineString|MultiPolygon|Polygon)>)	GeoJSON Polygon or LineString

返回

FeatureCollection <LineString> - 2-vertex line segments

示例

// 注意：polygon首尾坐标要一致
var polygon = turf.polygon([[[-50, 5], [-40, -10], [-50, -10], [-40, 5], [-50, 5]]]);
var segments = turf.lineSegment(polygon);