Treemaps for space-constrained visualization of hierarchiesTreemaps for space-constrained visualization of hierarchies Including the History of Treemap Research at the University of Maryland Started Dec. 26th, 1998 by Ben Shneiderman Later updates by Ben Shneiderman and Catherine Plaisant - Last update Sept 2014 Our treemap products: Treemap 4.0: General treemap tool (Free demo version, plus licensing information for full package) PhotoMesa: Zoomable imag
