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geonode

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Geo is a very basic, but simple and in-progress, geo library for Node.js using Google's Geocode API (V3) for Geocoding and GeoHash for GeoSpatial support.

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- geohash_model.js
- simple_geocode_lookup.js
- simple_reverse_geocode_lookup.js
- geo.js
.travis.yml
app.js
LICENSE
package.json
README.md

# Installation Guide

1. Get the code

git clone https://github.com/feliperazeek/geonode

Downloads the entire project code from GitHub to your computer.

cd geonode

Moves into the project folder you just downloaded.

2. Node.js

Easy Recommended

Prerequisites

Git Needed to download the project code from GitHub.
Node.js Node.js must be installed to use npm. The LTS version is recommended.

npm install geo

Downloads and installs the libraries listed in package.json.

✅ After running the command, open the address shown in the terminal (usually something like http://localhost:3000) in your browser.

Pulled directly from this repo's README.

// repository documentation

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# Geo for Node.js
by Felipe Oliveira (http://twitter.com/_felipera)

Geo is a very basic, but simple, geo library for Node.js using Google's Geocode API (V3) for Geocoding and GeoHash for GeoSpatial support.

## Installation

npm install geo

## Usage - Geocode

var geo = require('geo');

var address = '885 6th Ave #15D New York, NY 10001';
		var sensor = false;
		geo.geocoder(geo.google, address, sensor,
		function(formattedAddress, latitude, longitude, details) {
			console.log("Formatted Address: " + formattedAddress);
			console.log("Latitude: " + latitude);
			console.log("Longitude: " + longitude);
                        console.log("Address details:", details);
		});

// Reverse Geocoding also works
		var latlong = { 'latitude': 52.5112, 'longitude': 13.45155};
		geo.geocoder(geo.google, latlong, sensor,
		function(formattedAddress, latitude, longitude, details) {
			console.log("Formatted Address: " + formattedAddress);
			console.log("Latitude: " + latitude);
			console.log("Longitude: " + longitude);
                        console.log("Address details:", details);
		});

## Usage - GeoHash

// First define a model instance
		var model = {'address': '885 6th #15D, New York, NY 10001', 'baths': '1', 'beds': '1'};

// Define callback that gets the location (from a single field, multiple fields, whatever) from the model instance (model can be anything, DB class, JSON, array)
		var locationGetterCallback = function(model) { return model['address']; };

// Define callback that will augment the model instance with geo information such as latitude, longitude and geohash
		var geoSetterCallback = function(model, latitude, longitude, hash, callback) {
			console.log('Geo Hash: ' + hash);
			model['latitude'] = latitude;
			model['longitude'] = longitude;
			model['geohash'] = hash;
			callback( model );
		};

// Now let's see what happens with the model
		geo.geomodel(model, locationGetterCallback, geoSetterCallback, function(model) {
			console.log("Model: " + model['address'] + ', Geo: ' + model['geohash']);
		});

## More Information on GeoHash

1. See it in action at http://openlocation.org/geohash/geohash-js/.

2. Go understand how it works at http://en.wikipedia.org/wiki/Geohash and http://hitching.net/2009/11/10/scalable-fast-accurate-geo-apps-using-google-app-engine-geohash-faultline-correction/.