rewind

Description

Rewind (Multi)LineString or (Multi)Polygon outer ring counterclockwise and inner rings clockwise (Uses Shoelace Formula).

Parameters

Name	Type	Description
geojson	GeoJSON	input GeoJSON Polygon
options?	Object	Optional parameters (default {})
options.reverse?	boolean	enable reverse winding (default false)
options.mutate?	boolean	allows GeoJSON input to be mutated (significant performance increase if true) (default false)

Returns

GeoJSON rewind Polygon

Examples

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

var rewind = turf.rewind(polygon);

Installation

$ npm install @turf/rewind

import { rewind } from "@turf/rewind";
const result = rewind(...);

$ npm install @turf/turf

import * as turf from "@turf/turf";
const result = turf.rewind(...);