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We introduce a novel user-interface to jointly control lens and camera to support effective focus-and-context exploration.
By automatically adjusting camera and lens parameters; in response to user actions, our joint controller allows users; to better concentrate on their analysis tasks.
Challenge 🫥
Challenge 🫥
Exploration using lenses requires users; to continuously switch between complex-gesture-combinations; for selecting areas of interest by moving the camera and controlling, scaling and positioning lenses to perform inspection. Maintaining an effective focus-and-context visualization is difficult. Switching user-interface and mental modes increases cognitive load.
Goal 🎯
Goal 🎯
We solve this problem by jointly adjusting camera; and lens parameters in response to user actions.
Demonstration Video
Demonstration Video
Joint Camera and Lens Control for Focus-and-Context Exploration
Joint Camera and Lens Control for Focus-and-Context Exploration
This work demonstrates a novel approach for assisting users in 2D data exploration with an interactive lens. Our first key-contribution is a novel user-interface to jointly control lens and camera to support effective focus-and-context exploration.
Results and Publication
Results and Publication
Fabio Bettio, Moonisa Ahsan, Fabio Marton, and Enrico Gobbetti. A novel approach for exploring annotated data with interactive lenses. Computer Graphics Forum, 40(3): 387-398, 2021.
DOI: 10.1111/cgf.14315. Proc. EUROVIS 2021 [PDF]
Acknowlegements
Acknowlegements
The authors thank CRBC Sassari and Ormylia Foundation for the access to the artworks for the purpose of digitization and for annotation information. We also acknowledge the contribution of Raffaella Chierici for content creation, and of Alberto Jaspe, Ruggero Pintus, and Antonio Zorcolo for model acquisition and processing. The project received funding from the European Union’s H2020 research and innovation programme under grant agreement 813170 (EVOCATION), and from Sardinian Regional Authorities under projects VIGECLAB and TDM (POR FESR 2014-2020).
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