IEEE Trans Vis Comput Graph - A Graph-Based Interface for Visual Analytics of 3D Streamlines and Pathlines.

Tópicos

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{ detect(2391) sensit(1101) algorithm(908) }

Resumo

Visual exploration of large and complex 3D steady and unsteady flow fields is critically important in many areas of science and engineering. In this paper, we introduce FlowGraph, a novel compound graph representation that organizes field line clusters and spatiotemporal regions hierarchically for occlusion-free and controllable visual exploration. It works with any seeding strategy as long as the domain is well covered and important flow features are captured. By transforming a flow field to a graph representation, we enable observation and exploration of the relationships among field line clusters, spatiotemporal regions and their interconnection in the transformed space. FlowGraph not only provides a visual mapping that abstracts field line clusters and spatiotemporal regions in various levels of detail, but also serves as a navigation tool that guides flow field exploration and understanding. Through brushing and linking in conjunction with the standard field line view, we demonstrate the effectiveness of FlowGraph with several visual exploration and comparison tasks that cannot be well accomplished using the field line view alone. We also perform an empirical expert evaluation to confirm the usefulness of this graph-based technique.

Resumo Limpo

visual explor larg complex d steadi unsteadi flow field critic import mani area scienc engin paper introduc flowgraph novel compound graph represent organ field line cluster spatiotempor region hierarch occlusionfre control visual explor work seed strategi long domain well cover import flow featur captur transform flow field graph represent enabl observ explor relationship among field line cluster spatiotempor region interconnect transform space flowgraph provid visual map abstract field line cluster spatiotempor region various level detail also serv navig tool guid flow field explor understand brush link conjunct standard field line view demonstr effect flowgraph sever visual explor comparison task well accomplish use field line view alon also perform empir expert evalu confirm use graphbas techniqu

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