Ambient Grids: Maintain Context-Awareness via Aggregated Off-Screen Visualization

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Date
2015
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Publisher
The Eurographics Association
Abstract
When exploring large spatial datasets, zooming and panning interactions often lead to the loss of contextual overview. Existing overview-plus-detail approaches allow users to view context while inspecting details, but they often suffer from distortion or overplotting. In this paper, we present an off-screen visualization method called Ambient Grids that strikes the balance between overview and details by preserving the contextual information as color grids within a designated space around the focal area. In addition, we describe methods to generate Ambient Grids for point data using data aggregation and projection. In a use case, we show the usefulness of our technique in exploring the VAST Challenge 2011 microblog dataset.
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@inproceedings{
10.2312:eurovisshort.20151125
, booktitle = {
Eurographics Conference on Visualization (EuroVis) - Short Papers
}, editor = {
E. Bertini and J. Kennedy and E. Puppo
}, title = {{
Ambient Grids: Maintain Context-Awareness via Aggregated Off-Screen Visualization
}}, author = {
Jäckle, Dominik
and
Stoffel, Florian
and
Kwon, Bum Chul
and
Sacha, Dominik
and
Stoffel, Andreas
and
Keim, Daniel A.
}, year = {
2015
}, publisher = {
The Eurographics Association
}, ISBN = {}, DOI = {
10.2312/eurovisshort.20151125
} }
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