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Interactive visualization of magnetic field for virtual science experiments

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Abstract

This paper presents a novel application of visualizing 3D magnetic field for virtual science experiments. The magnetic field is visualized as streamlines using view-dependent seed template and occlusion buffer. The template is updated according to the viewpoint/magnet movements and determines 3D seed positions. The occlusion buffer enables us to select a subset of the seeds which do not cause cluttered streamlines. Our method has been designed and implemented through teacher survey. A virtual experiment system is built upon the visualization method. It supports user interactions with magnets and compasses and visualizes the magnetic field at real time. The system was experimented in elementary school science classes. The evaluation results show that our method significantly improved the students’ capabilities of presenting magnetic field.

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Acknowledgments

This research is supported by Ministry of Culture, Sports and Tourism (MCST) and Korea Creative Content Agency (KOCCA) in the Culture Technology (CT) Research & Development Program 2015.

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Authors and Affiliations

  1. Graduate School of Convergence IT, Korea University, Seoul, Korea

    Jiyoung Park & JungHyun Han

  2. Duksung Women’s University, Seoul, Korea

    KyungOk Lee

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  1. Jiyoung Park
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  2. KyungOk Lee
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  3. JungHyun Han
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Correspondence to JungHyun Han.

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Park, J., Lee, K. & Han, J. Interactive visualization of magnetic field for virtual science experiments. J Vis 19, 129–139 (2016). https://doi.org/10.1007/s12650-015-0300-3

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  • DOI: https://doi.org/10.1007/s12650-015-0300-3

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