For example, would the carbon emissions of countries around the world produce a treemap that could be laid out by the slice-and-dice or squarified algorithms and then colored in a way that would engage the eye and mind? Would the batting averages of all the players for the Washington Nationals (or New York Yankees or Boston Red Sox) interest sports fans? I believe that some topics yield data that have more salience for viewers: maybe sports data, political elections, Hollywood films, popular music, nature, pets, health, science, etc. Other choices that influence the impact are the number of regions and number of levels in the hierarchy. The absolute size as hung on a wall or seen on a screen also changes the impact on viewers, as does the texture or reflectivity of the medium. So even though treemaps are constrained by algorithmic rules, the aesthetic and data choices leave much room for creative explorations. The aesthetic choices appeal to different viewers and the data displayed also triggers interest by different viewers. In addition certain treemaps are inherently interesting because of the data displayed or patterns revealed. prominence of borders for each region, each hierarchy level, and the surrounding box.aspect ratio of the entire image (square, golden ratio, wide, tall, etc.).color palette (muted, bold, sequential, divergent, rainbow, etc.), and,.layout design (slice-and-dice, squarified, ordered, strip, etc.),.
I believe that there are at least four aesthetic aspects of treemaps: That idea was revived in 2013 by way of my contacts with Manuel Lima who produced a beautiful coffee-table book on the history of trees that has several chapters on treemaps and their variations. Maybe my experiences with OP-ART movements of the 60s & 70s gave me the idea that a treemap might become a work of art. View more about the exhibitions.Īlthough I conceived treemaps for purely functional purposes (understanding the allocation of space on a hard drive), I was always aware that there were appealing aesthetic aspects to treemaps. This site features draft designs and full views of the Treemap Art project.
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