map-pip v1.0.3

Jud whether a point on a map is in a polygon for fireCode.

Install: npm install map-pip

eg: var mapPIP = require("map-pip") var polygon = [ 121.47, 31.23 , 161.47, 31.23 , 141.47, 51.23 ]

console.log( mapPIP(polygon, 141.47, 41.23 ) ) Output: 'inside'

map：{ 0: 'inside', 1: 'outside', 2: 'edge', 3: 'vertex', }