@turf/polygon-to-line

polygonToLine

Converts a Polygon to (Multi)LineString or MultiPolygon to a FeatureCollection of (Multi)LineString.

Parameters

• poly Feature<(Polygon | MultiPolygon)> Feature to convert

• options Object Optional parameters (optional, default {})

  • options.properties Object translates GeoJSON properties to Feature (optional, default {})

Examples

var poly = turf.polygon([[[125, -30], [145, -30], [145, -20], [125, -20], [125, -30]]]);

var line = turf.polygonToLine(poly);

//addToMap
var addToMap = [line];

Returns (FeatureCollection | Feature<(LineString | MultiLinestring)>) converted (Multi)Polygon to (Multi)LineString

This module is part of the Turfjs project, an open source module collection dedicated to geographic algorithms. It is maintained in the Turfjs/turf repository, where you can create PRs and issues.

Installation

Install this single module individually:

$ npm install @turf/polygon-to-line

Or install the all-encompassing @turf/turf module that includes all modules as functions:

$ npm install @turf/turf