Display tree graphically - any classes/algorithm?

[Dorthe Luebbert]

Hi,

I am looking for a class to display trees graphically (SVG, Gdlib,
whatever). It should look somehowlike this java driven example:

http://www.csupomona.edu/~jrfisher/www/logic_topics/visualize/p2.gif

The data is stored in a Mysql dtabase.

Any suggestions?

Dorthe