Re: [igraph] Vertex colors in tkplot

[Chacko, George (NIH/CSR) [E]]

Neat! Thanks very much. GC

-----Original Message-----
From: Gábor Csárdi [mailto:address@hidden 
Sent: Wednesday, December 14, 2011 1:51 PM
To: Help for igraph users
Subject: Re: [igraph] Vertex colors in tkplot

Hi,

IRG_ColorList[,2] seems to be a character vector, and tkplot() interprets this 
as color names (plot() is a bit more flexible).
Convert it to numeric: vertex.color=as.numeric(IRG_ColorList[,2]).

Best,
Gabor

On Wed, Dec 14, 2011 at 1:47 PM, Chacko, George (NIH/CSR) [E] <address@hidden> 
wrote:
> Hello:
>
>
>
> I am trying to assign vertex colors from a lookup table when 
> visualizing graph.adjacency output in tkplot. This works using plot 
> which is unfortunately not interactive.
>
>
>
> Ø  plot(g1,
> vertex.label=row.names(df1),vertex.color=(IRG_ColorList[,2]),layout=la
> yout.fruchterman.reingold)
>
>
>
> but not with tkplot
>
>
>
> Ø  tkplot(g1, 
> vertex.label=row.names(df1),vertex.color=(IRG_ColorList[,2])
>
>
>
> Error in structure(.External("dotTclObjv", objv, PACKAGE = "tcltk"), 
> class =
> "tclObj") :
>
>   [tcl] unknown color name "1".
>
>
>
> Is this a known problem for which there is a workaround? I'd be 
> grateful for any help. Thanks George Chacko
>
>
> _______________________________________________
> igraph-help mailing list
> address@hidden
> https://lists.nongnu.org/mailman/listinfo/igraph-help
>



--
Gabor Csardi <address@hidden>     MTA KFKI RMKI

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