Augmented Reality using the Wikitude API

Jeff Gilfelt - November 2009

Augmented Reality (AR)

Combining digital data with real-world imagery.

GPS locationMagnetometer (compass)AccelerometerCamera

Much innovation in the mobile AR space has been happening on Android, as the necessary hardware and API has been available since launch.

Wikitude World Browser

Presents information about your surroundings (landmarks, points of interest) annotated onto a live camera viewUsers can contribute their own POIs via wikitude.meFirst practical AR mobile application available world wideAndroid Developer Challenge 1 finalistAPI for Android released September 2009

From existing geo data based application...

...to AR application

Wikitude API - Getting StartedDownload API package http://www.wikitude.org/developers

Register for an API key (optional during development)

Include wikitudearintent.jar within your project build path

Code

Creating the Wikitude AR Intent

Adding Points Of Interest (POIs)

Starting the Intent

Callback Intents

Callback Intents

Callback Intents

TipsDon't add more than 50 POIs to the AR viewTest on real devices where possible

Emulator requires manual install of the Wikitude APK Location, yaw, pitch and roll instrumentation is painful

Augmented Reality Markup Language (ARML)

Proposed open Augmented Reality markup specification based on KML with extensionsAdoption will ensure all data that is created for augmentation in the physical world can be universally accessed and viewed on any Augmented Reality browser http://www.openarml.org/

ResourcesGeoBeagle demo by Nicholas Tollerveyhttp://ntoll.org/article/hello-android

Location Scouthttp://getlocationscout.com

or search "location scout" in Android Market

http://www.wikitude.org/developers