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country-geolocalizer

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Version no longer supported.

Use https://www.npmjs.com/package/geojson-places instead.

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country-geolocalizer

This module takes a latitude and longitude and determine the country where it is contained.

Install

npm install --save country-geolocalizer

Testing the library

npm run test

Examples

Get country from the following latitude/longitude (Madrid):

const result = getCountry(40.4167047, -3.7035825);

console.log(result);
// {
//     ADMIN: 'Spain',
//      ISO_A3: 'ESP'
// }

Get null from a latitude/longitude in the middle of the sea:

const result = getCountry(0.0, 0.0);

console.log(result);
// null

Acknowledgment

• GeoJSON with all country polygons extracted from https://datahub.io/core/geo-countries

• Checks if a point is contained in a polygon (based on the Jordan curve theorem), for more info: http://www.ecse.rpi.edu/Homepages/wrf/Research/Short_Notes/pnpoly.html