polygon-direction

determine if a polygon is clockwise or counter-clockwise

npm install polygon-direction
2 downloads in the last week
4 downloads in the last month

Polygon Direction

Determine if a polygon is clockwise or counter-clockwise

Install

npm install polygon-direction

Methods

var polydir = require("point-in-polygon");

polydir(polygon)

Returns true if a polygon is clockwise, false if it it counter-clockwise.

polygon should be an array of 2-item arrays of coordinates.

Example


var polydir = require("polygon-direction");

console.log(polydir([[5,0],[6,4],[4,5],[1,5],[1,0]]));
npm loves you