Dynamic query visualisations on World Wide Web clients: a DHTML solution for maps and scattergrams

Authors:
Evan Golub;Ben Shneiderman
Affiliations:
Department of Computer Science and Human Computer Interaction Lab, Institute for Advanced Computer Studies, University of Maryland, College Park, MD 20742, USA.;Department of Computer Science and Human Computer Interaction Lab, Institute for Advanced Computer Studies, University of Maryland, College Park, MD 20742, USA
Venue:
International Journal of Web Engineering and Technology
Year:
2003

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Abstract

Dynamic queries are gaining popularity as a method for interactive information visualisation. Many implementations have been made on personal computers, and there is increasing interest in Web-based designs. While Java and Flash strategies have been developed, we believe that a Dynamic HTML implementation could help promote more widespread use. We implemented double-box range sliders with choropleth maps and scattergrams, which are two popular visualisations, using HTML layers and tables. This paper describes our methods for slider control, visual presentation, and displaying/updating results for these visualisations. Visual design issues innovations and performance enhancements were necessary to create viable designs.