title: Geometric quantification of features in large flow fields.
abstract: Interactive exploration of flow features in large-scale 3D unsteady-flow data is one of the most challenging visualization problems today. To comprehensively explore the complex feature spaces in these datasets, a proposed system employs a scalable framework for investigating a multitude of characteristics from traced field lines. This capability supports the examination of various neighborhood-based geometric attributes in concert with other scalar quantities. Such an analysis wasn't previously possible because of the large computational overhead and I/O requirements. The system integrates visual analytics methods by letting users procedurally and interactively describe and extract high-level flow features. An exploration of various phenomena in a large global ocean-modeling simulation demonstrates the approach's generality and expressiveness as well as its efficacy.
authors.forename: Wesley
authors.initials: W
authors.lastname: Kendall
authors.forename: Jian
authors.initials: J
authors.lastname: Huang
authors.forename: Tom
authors.initials: T
authors.lastname: Peterka