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    Trajectory Mapper: Interactive Widgets and Artist-Designed Encodings for Visualizing Multivariate Trajectory Data

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    Date
    2017
    Author
    Lange, Devin
    Samsel, Francesca
    Karamouzas, Ioannis
    Guy, S. J.
    Dockter, Rodney
    Kowalewski, Timothy
    Keefe, Daniel F.
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    Abstract
    We present TrajectoryMapper, a system of novel interactive widgets and artist-designed visual encodings to support exploratory multivariate visualization of spatial trajectories. Trajectories are rendered using a three-way multi-texturing algorithm so that the color, texture, and shape of each mark can be manipulated separately in response to data. Visual encodings designed by artists and arranged in categories (e.g., divergent, linear, structured) are utilized as strong starting points for visual exploration. Interactive widgets including linked parallel coordinates plots, 3D camera controls, and projection to arbitrary 3D planes facilitate data exploration. An innovative visual mapper menu enables rapid experimentation with alternative data mappings using the artist-designed or custom encodings that can be created with no programming using image editing software. In addition to system design details and insights, two applications with collaborating domain science users are presented. The first requires analyzing 2D crowd simulations and the second 3D tool traces from laparoscopic surgery training exercises.
    BibTeX
    @inproceedings {eurovisshort.20171141,
    booktitle = {EuroVis 2017 - Short Papers},
    editor = {Barbora Kozlikova and Tobias Schreck and Thomas Wischgoll},
    title = {{Trajectory Mapper: Interactive Widgets and Artist-Designed Encodings for Visualizing Multivariate Trajectory Data}},
    author = {Lange, Devin and Samsel, Francesca and Karamouzas, Ioannis and Guy, S. J. and Dockter, Rodney and Kowalewski, Timothy and Keefe, Daniel F.},
    year = {2017},
    publisher = {The Eurographics Association},
    ISBN = {978-3-03868-043-7},
    DOI = {10.2312/eurovisshort.20171141}
    }
    URI
    http://dx.doi.org/10.2312/eurovisshort.20171141
    https://diglib.eg.org:443/handle/10.2312/eurovisshort20171141
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    Eurographics Association copyright © 2013 - 2020 
    Send Feedback | Contact - Imprint | Data Privacy Policy | Disable Google Analytics
    Theme by @mire NV
    System hosted at  Graz University of Technology.
    TUGFhA