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Historical Timeline of Disk Treemapping Software[edit]

It apears that their is an interesting progression of innovation in diskspace treemapping software:

SequoiaView inspired KDirStat inspired WinDirStat inspired Inventory X.

See their respective webpages as citations:

"The authors of SequoiaView of the Technical University Eindhoven in the Netherlands kindly made their papers about treemaps available to the public (thanks again, folks!). Those papers were the base for this treemap implementation." [from the KDirStat site]

"When I came across the KDE program KDirStat (, I was fascinated and enthusiastic about it, as it is probably the same with many others. I was thinking of writing a disk usage tool before, and I saw: that's it! As I am Windows developer and didn't find anything equivalent for Windows, I decided to write WinDirStat. It was fun. Enjoy it." [from the winDirStat site]

"The idea to develop this program came to me when a fellow of mine showed me his creation WinDirStat." [from the Disk Inventory X site]

In my opinion, this is a neat little story of innovation and successive software improvement unhindered by software pattents. --user:William Morgan

Patent status?[edit]

Is this idea patented to death yet? Found these so far:

Not really sure what these mean, since I am not very familiar with patents. —Tokek 14:56, 7 October 2006 (UTC)


Could someone give a small description what is meant by each of the algorithms listed in this article?


This article needs some illustrations, of the various kinds of tree maps (rectangular, circular pies, etc). 14:14, 15 January 2007 (UTC)

Links to articles[edit]

Where are the lists/links to WP tree map program articles? Comparison-of? There are many such programs, but SpaceMonger is the best I've found -- fast, simple, efficient, no screwing around with 3D shading, maximal text labelling, no confusing mixed label orientation -- wish there was a Linux version that worked as well! 14:14, 15 January 2007 (UTC)

Also, the "" link is broken.