rewind

Rewind (Multi)LineString or (Multi)Polygon outer ring counterclockwise and inner rings clockwise (Uses Shoelace Formula ).
LineString或Polygon外圈逆时针倒带，内圈顺时针倒带(Shoelace formula公式)。

参数

参数	类型	描述
geojson	GeoJSON	input GeoJSON Polygon
options	Object	Optional parameters: see below

options选项

属性	类型	默认值	描述
reverse	boolean	false	enable reverse winding
mutate	boolean	false	allows GeoJSON input to be mutated (significant performance increase if true)

返回

GeoJSON - rewind Polygon

示例

var polygon = turf.polygon([[[121, -29], [138, -29], [138, -18], [121, -18], [121, -29]]]);

var rewind = turf.rewind(polygon);