graph visualisation

[Alexander]

Hello, All!

I need routines for visualization of graphs, like this for Matlab:
===
You can visualize an arbitrary graph (such as one learned using the structure
learning routines) with Matlab code contributed by Ali Taylan Cemgil from the
University of Nijmegen. For static BNs, call it as follows:

draw_graph(bnet.dag);
===

Are there any packages with such ability? Also I need in drawing plots of
functions.

Alexander, zatv at bk.ru