OK thanks.
first part works, second part (layout) no. It kindly ask me how I want to close
R... but that'll do great for now. Thanks,
David Biau
>________________________________
>De : Tamas Nepusz <[email protected]>
>À : [email protected]
>Envoyé le : Mercredi 9 janvier 2013 13h59
>Objet : Re: [igraph] circle shape
>
>> - I would like to tune the shape of circle vertices: i would like to remove
>> the black line around the circles
>Use vertex.frame.color=NA as an argument to plot().
>See ?igraph.plotting for more details about the additional options you can
>pass there.
>
>> - I would like to be able to spread out the network as I like. FOr now, I
>> cannot and because my network has many vertices, it seems too condensed.
>igraph has quite a few layout algorithms that you can use; see ?layout for
>more details. You can use these to calculate a layout for your graph and
>then pass them to plot(). E.g.:
>
>layout <- layout.graphopt(graph)
>plot(graph, layout=layout)
>
>By the way, the result of the layout function is "just" a matrix with X-Y
>coordinates in each row, so you can do with them whatever you want to make
>your layout more pleasant. You can also use tkplot() to get an interactive
>plot where you can drag the nodes around to get a suitable arrangement.
>
>Cheers,
>Tamas
>
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>
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