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Re: [igraph] Tracking vertex IDs

From: Natalia Olano
Subject: Re: [igraph] Tracking vertex IDs
Date: Fri, 7 Nov 2008 13:07:08 +0100

Thanks! I will do that.

2008/11/6 Tamas Nepusz <address@hidden>:
> Hi Natalia,
>> I need to use igraph to recreate a computer network topology and
>> calculate the shortest paths. Stations can switch on and off and so
>> need to be excluded from the shortest path calculation. The vertex IDs
>> are shifted when a vertex is deleted, but I would still need to know
>> the computer they actually correspond to. Which would be the simplest way
>> to do this?
> Use vertex attributes; e.g., you can set up a "name" attribute for each
> vertex which contains the original IP address of that computer. Attributes
> are preserved upon deletion or insertion, all you have to remember is to
> re-create the name attributes when re-adding an already deleted vertex to
> the network.
> --
> Tamas
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> igraph-help mailing list
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Natalia Olano Ag├╝ero

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