Takes a ring and return true or false whether or not the ring is clockwise or counter-clockwise.
###Install
npm install turf-is-clockwise###Parameters
| name | description |
|---|---|
| ring | an array of coordinates |
###Usage
isClockwise(ring)###Example
var isClockwise = require('turf-is-clockwise')
var clockwiseRing = [[0,0],[1,1],[1,0],[0,0]]
var counterClockwiseRing = [[0,0],[1,0],[1,1],[0,0]]
var isCW = isClockwise(clockwiseRing)
var counterCW = isClockwise(counterClockwiseRing)
console.log(isCW) // true
console.log(counterCW) // false