Re: [igraph] Vertex colors in tkplot

[Gábor Csárdi]

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=layout.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
>
>
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>



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