Latitude/longitude coordinates to admin ID server

This is a component of Magic Box

API that takes latitude/longitude pairs and returns an ID and metadata for the administrative boundaries they're located within

Example

curl http://localhost:8082/api/coordinates/33.385586,66.445313

returns ...

{
  "iso": "AFG",
  "name_0": "Afghanistan",
  "name_1": "Daykundi",
  "name_2": "Gizab",
  "admin_id": "afg_1_6_53_gadm2-8",
  "lon": 66.445313,
  "lat": 33.385586
}

Dependencies:

NVM

curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.32.1/install.sh | bash

Node.js

nvm install 8

Prerequisites

• download_shapefiles_from_gadm
• import_shapefiles_to_postgres

Setup

git clone https://github.com/unicef/coordinates_to_admin_id_server
cd coordinates_to_admin_id_server
cp config-sample.js config.js
npm install
npm run build

Batch example

curl http://localhost:8082/api/coordinates/33.385586,66.445313,-16.351768,-45.703125

Note to pairs of coordinates in the url. This returns:

[
  {
    "iso": "AFG",
    "name_0": "Afghanistan",
    "name_1": "Daykundi",
    "name_2": "Gizab",
    "admin_id": "afg_1_6_53_gadm2-8",
    "lon": 66.445313,
    "lat": 33.385586
  },
  {
    "iso": "BRA",
    "name_0": "Brazil",
    "name_1": "MinasGerais",
    "name_2": "Riachinho",
    "name_3": "Riachinho",
    "admin_id": "bra_33_13_2179_4369_gadm2-8",
    "lon": -45.703125,
    "lat": -16.351768
  }
]