Excerpt: Treemaps [Shneiderman,1992b] trace their ancestry to Venn diagrams [Venn,1971]. They are designed to display a special class of trees such as directory trees. Associated with each node in a directory tree is a numeric value giving the size of the files contained in the subtree rooted at the node. Each node is displayed as a rectangle proportional to its value. All descendents of the node are displayed as rectangles inside its rectangle.
Excerpt: The 5 treemap algorithms implemented are: BinaryTree - Partially ordered, not very good aspect ratios, stable Ordered - Partially ordered, medium aspect ratios, medium stability SliceAndDice - Ordered, very bad aspect ratios, stable Squarified - Unordered, best aspect ratios, medium stability Strip - Ordered, medium aspect ratios, medium stability