Being research projects, most outdoor augmented reality systems are prototypes, built to research the problems of combining virtual environments with the physical world. These prototypes are self- sufficient. Once set up, they run on their own in a closed world. Changing the virtual part of the setup is cumbersome as the system has to be stopped for the user wearing the gear and then be manually reconfigured with data. There is no general way of providing this change of configuration remotely. Changing single objects inside a running configuration is not generally possible, only interaction programmed into a loaded configuration is provided.

Even if there were a convenient way of exchanging and manipulating data from outside the system, it is not clear how the data itself should be structured and stored. It could be provided in a lifeClipper2- specific format. But this would again restrict its use. It would be preferable to have the information stored together with or in the form of RDF to make it processable by other systems.

The challenges for this project are thus:

• Conducting a literature review to find out about the current state of the art concerning the embedding of outdoor augmented reality systems in a larger (Internet) context.
• Extending lifeClipper2 to provide a command and data transport protocol.
• Extending lifeClipper2 to provide a more generic "running world" which can handle the commands and data provided by the protocol.
• Attaching lifeClipper2 to a storage and event management facility to be able to record and provide data.
• Finding general notions of interaction in outdoor augmented reality systems. What has to be provided by the system or attached to the system to make it generally useful to other environments?

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lifeClipper2 (LC2) is a cutting-edge outdoor augmented reality project. Its goal is to explore the potential of „Augmented Reality“ in the areas of project visualization, urbanism and tourism. This master project elaborates the possibilites of new Graphic Processor Units (GPU) and discusses possibilities on how to implement new visual effects in LC2.