US Address geocoder/reverse geocoder based on free US Census TIGER database. Able to cache results in redis and also return response that matches Google Maps API format
US Geocoder module that works on top of free TIGER Line data file from US Census bureau. Uses PostGIS min 2.x. Do your own geocoding for high volume and avoid paying to 3rd party providers. Assumes you have a readily available PostGIS 2 + PostgreSQL 9.1+ installed that also has TIGER 2010 database loaded (about 95 GiB). Instructions on installing Tiger are found here: http://postgis.net for postgis module and http://postgis.net/docs/manual-2.0/postgis_installation.html#loading_extras_tiger_geocoder If you need to run a ready installed server see instructions here: https://github.com/bibanul/tiger-geocoder/wiki/Running-your-own-Geocoder-in-Amazon-EC2 If you need help getting it setup, drop me a mail. Loading the TIGER database in postgres usually takes 1 week. This can also be hosted on Heroku. I ended up buying an SSD drive and creating an Ubuntu Xen VM on it that simply runs Postgres 9.1 + PostGis 2.0 + 95GB Tiger DB and Redis store.
npm install tiger-geocoder or to run in Amazon EC2 see here: https://github.com/bibanul/tiger-geocoder/wiki/Running-your-own-Geocoder-in-Amazon-EC2
You can pass a string representation of a location and a callback function to
geocoder.geocode. It will accept: full street address, street and zip/city+state, zipcode, city + state.
var geocoder = require'tiger-geocoder';// Geocodinggeocodergeocode"15337 Cherry ln, Markham, IL" options// do something with data;geocodergeocode"Cherry ln, Markham, IL" options// do something with data;geocodergeocode"Markham, IL" options// do something with data;geocodergeocode"60428" options// do something with data;// Reverse GeocodinggeocoderreverseGeocode 33.7489 -84.3789 options// do something with data;
You have an option to use the native JSON result or request it to be formatted to match a popular provider such as Google, Bing etc. Google response style will look like standard Google JSON Output
You can pass in an optional options hash as a last argument, useful for setting the following:
conString: a connection string to your postgres TIGER database If not provided it will attempt to read it from heroku HEROKU_POSTGRESQL_BLUE_URL or default to tcp://username:password@localhost/geocoderredisString: a connection string to an instance of a redis to use local redis will be used otherwisecacheTTL: the Time-To-Live for the redis cache entry defaults to 1 monthresponseFormat: empty string will use internal JSOn format 'google' will return it in google maps V3 JSON format
- Add support for response mapping for BING, Mapquest, Yahoo etc