mahmudz / in-geojson-area

Determines wheather a point is inside geojson polygons

inGeojsonArea - Determines if the point is inside a geojson polygons/multipolygons

Takes a Point and geojson data and determines if the points/point inside the polygons/multipolygons.

Installation

<script src="https://npmcdn.com/@mahmudz/in-geojson-area@latest/dist/inGeojsonArea.umd.js"></script>

Usage

// For single point
inGeojsonArea.isThis([-81.124464, 29.333577], geojson);

// returns true/false

// For multiple points
let points = [
    [-81.034568, 29.26713],
    [-81.070634, 29.32152],
    [-81.127800, 29.30534],
    [-81.129795, 29.33732],
    [-81.115580, 29.31668],
    [-81.153647, 29.27097],
    [-81.125568, 29.27082],
    [-81.033497, 29.27037],
    [-81.030707, 29.26957],
    [-81.028637, 29.26857],
    [-81.124464, 29.33357]
];

const results = inGeojsonArea.areThey(points, geojson);

// returns array of points & is inside area response
// [
//     {  point: [-81.034568, 29.26713], isInside: true },
//     {  point: [-81.070634, 29.32152], isInside: false },
//     ...
// ]

Contributing

Pull requests are welcome. For major changes, please open an issue first to discuss what you would like to change.

Please make sure to update tests as appropriate.

License

MIT