Devel::WxProf::Treemap::Squarified - make a squarified treemap for wxprofile
This is a modified version of Treemap::Squarified. The main difference is that labels are valigned on top of each square, and there's space reserved for them.
Martin Kutter <martin.kutter fen-net.de>
Based on Treemap::Squarified by
Simon P. Ditner <simon@uc.org>, and Eric Maki <eric@uc.org>
Original Treemap Concept: Ben Shneiderman <ben@cs.umd.edu>, http://www.cs.umd.edu/hcil/treemap-history/index.shtml
Squarified Treemap Concept: Visualization Group of the Technische Universiteit Eindhoven
