turf sector module

Usage no npm install needed!

<script type="module">
  import turfSector from 'https://cdn.skypack.dev/@turf/sector';




Creates a circular sector of a circle of given radius and center Point, between (clockwise) bearing1 and bearing2; 0 bearing is North of center point, positive clockwise.


  • center Coord center point
  • radius number radius of the circle
  • bearing1 number angle, in decimal degrees, of the first radius of the sector
  • bearing2 number angle, in decimal degrees, of the second radius of the sector
  • options Object Optional parameters (optional, default {})
    • options.units string miles, kilometers, degrees, or radians (optional, default 'kilometers')
    • options.steps number number of steps (optional, default 64)
    • options.properties Properties Translate properties to Feature Polygon (optional, default {})


var center = turf.point([-75, 40]);
var radius = 5;
var bearing1 = 25;
var bearing2 = 45;

var sector = turf.sector(center, radius, bearing1, bearing2);

var addToMap = [center, sector];

Returns Feature<Polygon> sector polygon

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.


Install this module individually:

$ npm install @turf/sector

Or install the Turf module that includes it as a function:

$ npm install @turf/turf