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| Content Provider | ACM Digital Library |
|---|---|
| Author | Schmalstieg, Dieter Reitmayr, Gerhard |
| Abstract | This article describes OpenTracker, an open software architecture that provides a framework for the different tasks involved in tracking input devices and processing multi-modal input data in virtual environments and augmented reality application. The OpenTracker framework eases the development and maintenance of hardware setups in a more flexible manner than what is typically offered by virtual reality development packages. This goal is achieved by using an object-oriented design based on XML, taking full advantage of this new technology by allowing to use standard XML tools for development, configuration and documentation. The OpenTracker engine is based on a data flow concept for multi-modal events. A multi-threaded execution model takes care of tunable performance. Transparent network access allows easy development of decoupled simulation models. Finally, the application developer's interface features both a time-based and an event based model, that can be used simultaneously, to serve a large range of applications. OpenTracker is a first attempt towards a "'write once, input anywhere"' approach to virtual reality application development. To support these claims, integration into an existing augmented reality system is demonstrated. We also show how a prototype tracking equipment for mobile augmented reality can be assembled from consumer input devices with the aid of OpenTracker. Once development is sufficiently mature, it is planned to make Open-Tracker available to the public under an open source software license. |
| Starting Page | 47 |
| Ending Page | 54 |
| Page Count | 8 |
| File Format | |
| ISBN | 1581134274 |
| DOI | 10.1145/505008.505018 |
| Language | English |
| Publisher | Association for Computing Machinery (ACM) |
| Publisher Date | 2001-11-15 |
| Publisher Place | New York |
| Access Restriction | Subscribed |
| Subject Keyword | Tracking Xml Virtual reality Mobile augmented reality |
| Content Type | Text |
| Resource Type | Article |
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