The distributed virtual windtunnel
Proceedings of the 1992 ACM/IEEE conference on Supercomputing
Large-Scale Data Visualization Using Parallel Data Streaming
IEEE Computer Graphics and Applications
Proceedings of the 2004 ACM/IEEE conference on Supercomputing
Image Space Based Visualization of Unsteady Flow on Surfaces
Proceedings of the 14th IEEE Visualization 2003 (VIS'03)
ClearView: An Interactive Context Preserving Hotspot Visualization Technique
IEEE Transactions on Visualization and Computer Graphics
Virtual Tubelets-efficiently visualizing large amounts of particle trajectories
Computers and Graphics
Time step prioritising in parallel feature extraction on unsteady simulation data
EG PGV'06 Proceedings of the 6th Eurographics conference on Parallel Graphics and Visualization
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Virtual Reality (VR) provides a useful tool for understanding complex, unsteady flow phenomena. The user can directly interact with the data and therefore benefits from a spatial coherence of action and result. However, visualization in virtual environments imposes very high demands on interactivity in order to maintain this coherence. Exploration of large, unsteady datasets in VR requires efficient visualization or data reduction algorithms to produce results within acceptable waiting times. We propose a technique for reducing required data especially suited for direct interaction in virtual environments. We use a distributed system to parallely extract a dynamic region of interest (DROI) from the simulation data. This DROI is adapted according to the user's interaction behavior and allows for the analysis of local flow features. With this reduction we provide interactive extraction of local features from large, time-varying datasets.