Add support for tree graphs. This type of graph is a relative to bubble graphs
that size rectangles depending on a data value. Additionally these rectangles
are automatically clustered so that no free space remains between them. One
example is here:
http://flowingdata.com/2010/11/03/review-atlas-of-science-visualizing-what-we-kn
ow/. A very cool application is SequoiaView developed by the University
Eindhoven in 2002 which shows disk content (files) in a tree chart
(http://w3.win.tue.nl/nl/onderzoek/onderzoek_informatica/visualization/sequoiavi
ew//).
Original issue reported on code.google.com by mike.lischke on 10 Aug 2013 at 3:04
Original issue reported on code.google.com by
mike.lischke
on 10 Aug 2013 at 3:04