Perceptual Guidelines for Creating Rectangular Treemaps

Research from colleagues at Berkeley.

http://vis.berkeley.edu/papers/treepercept/

Design Guidelines:

  • Use Treemap Layouts that Avoid Extreme Aspect Ratios
  • Use Bar Charts at Low Density, Treemaps at High Density
  • Use Treemaps When Comparing Non-Leaf Nodes
  • Use Luminance To Encode Secondary Values In Treemaps

Also includes review of research to date.

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