[Biojava-l] Rooted trees in nexus files

[Richard Holland]

The graphs returned by the Nexus parser are instances that implement  
the org.jgrapht.UndirectedGraph interface. Undirected graphs have no  
root.

cheers,
Richard

On 30 Oct 2009, at 21:14, Tiago Antão wrote:

> Hi,
>
> I have been trying to use biojava to parse some trees on nexus files
> and I have a small doubt:
> If there is a rooted tree, how can one know what is the root vertex in
> the weighted graph (JGraphT)?
> I understand that there is no root if the tree is unrooted, but in
> case it is rooted, how to determine the vertex?
>
> Many thanks,
> Tiago
>
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--
Richard Holland, BSc MBCS
Operations and Delivery Director, Eagle Genomics Ltd
T: +44 (0)1223 654481 ext 3 | E: holland at eaglegenomics.com
http://www.eaglegenomics.com/