sk Mr. Karma

Controls:

Select	Click an item to expand its tree branch.
Pan	Left-click and drag the background to pan the display view.
Zoom	Right-click and drag the mouse up or down or use the scroll wheel to zoom the display view.
Zoom-To-Fit	Right-click once to zoom the display to fit the whole tree.
Search	Type in a search query to search over the currently visible nodes.

originally by jeffrey heer using prefuse visualization toolkit