Tree Map

Tree Map
Visualisierung eines Verzeichnisbaums mit Hilfe einer Tree Map in TreeSize

Eine Tree Map dient der Visualisierung hierarchischer Strukturen, die hierbei durch ineinander verschachtelte Rechtecke dargestellt werden. Damit können anschaulich Größenverhältnisse dargestellt werden, indem die Fläche der Rechtecke proportional zur Größe der darzustellenden Dateneinheit gewählt wird.

Historie

Erfunden hat diese Visualisierungsform in den frühen 1990er Jahren Prof. Ben Shneiderman an der Universität von Maryland. Wegen des Platzmangels auf den Festplatten seines Server suchte er nach einer Möglichkeit, die größten Platzverschwender auf eine intuitive und übersichtliche Art darzustellen.

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