High-resolution figures

Slingsby, A., Dykes, J., Wood, J. and Clarke, K. 2007. Interactive Tag Maps and Tag Clouds for the Multiscale Exploration of Large spatiotemporal Datasets, 11th International Conference on Information Visualisation. Zurich, Switzerland. [pdf].

Figure 1

Tag map (left) and tag cloud (right) of the top 20 business directory searches, centred on South Manhattan. Copyright: Google; DigitalGlobe; NASA; Europa Technologies; go2.

Figure 2

Exploratory cycle - Geovisualization proceeds using interactive views that are spatial and aspatial for overview and filtering.

Figure 3

Tag maps of the most prominent word in each (identically-sized) grid square; Yahoo!’s tag map applet (left) and Google Earth (right). Copyright: Yahoo; NavTeq; TeleAtlas; Google; Europa; DigitalGlobe; go2.

Figure 4

Tag map of the 20 most prominent business requests and their aggregate densities as a high resolution raster surface. Copyright: Google; Europa; TerraMetrics; go2.

Figure 5

Filtering by geography and attribute. Copyright: Google; Europa; TerraMetrics; Sanborn; go2.

Figure 6

Interactive timelines for exploration. Tags are constrained to Friday night (top) and Saturday morning and early afternoon (bottom). Copyright: Google; NASA; Europa; TerraMetrics; go2.

Figure 7

Word placement in Yahoo!’s tag maps applet (left) and Google Earth (right). Words are located at cell centres (top), randomly within cells (centre) and using a Gaussian random function around cell centres (bottom).Copyright: Google; NASA; Europa; Yahoo; NavTeq; TeleAtlas; go2.

Figure 8

The same data at different zoom levels. The lower view is zoomed to the box extent. Copyright: Google; NASA; Europa; TerraMetrics; MassGIS; Commonwealth of Massachusetts EOEA,

Figure 9

The user-initiated inspection of all tags in a specific grid square. Copyright: Google; NASA; Europa; DigitalGlobe.