"the Voronoi treemap algorithm allows a use of polygons, as opposed to the rectangles that you're used to seeing. The use of polygons helps take care of some of the problems with aspect ratio and hierarchical relationships when limited to rectangles."
- Data-Driven Documents for visualization in the browser (flowingdata.com)
- The unique chair | Interior Design Ideas, Modern Furniture Design ... (zainteriora.net)
- Exploratory treemap for Obama's 2012 budget proposal (flowingdata.com)