This is the fourth part of our series How to Add Postcode-Based Proximity Search With Open Data. In this article we will show you how to take a geocoded dataset and a postcode, and order the dataset by proximity to the postcode. This is used to find the nearest pub to a user specified location.
Geocoding involves converting a description of a physical address into coordinates that represent that location on a map to perform spatial analysis. This tutorial on the Google Maps APIs blog describes the two approaches to geocoding with Google Maps APIs, and when to use them.
Google is pitching its Activity Recognition Transition API as the key to unlocking insight about smartphone owners' movements. The idea is to let developers decipher between simple movement, such as walking, and complex movement, such as driving all while maximizing battery life.