Hi Ben,
Sorry for the slow reply, but something like this works,
library(Rgraphviz)
example(randomEGraph)
x = plot(g1)
xx = sapply(AgEdge(x), lines, lwd=2, len=1)
there are other ways too - but this might be the easiest
let me know if that does what you want...
Robert
Ben Bolker wrote:
>
> I'm an Rgraphviz newbie trying to figure out how to do some things/whether
> they are possible.
> Apparently graphviz does allow you to modify line widths of edges: see
>
> https://mailman.research.att.com/pipermail/graphviz-interest/2001q2/000051.html
>
> (although it looks a little obscure even in graphviz). [As discussed in the
> thread
> above, the "weight" parameter in Rgraphviz sets the parameters of the graph
> layout
> algorithm, NOT the linewidth of the edge itself.]
>
> I can probably figure this out given enough hours, but if someone were
> able
> to put together an example in a few minutes (or know that it's impossible
> or very difficult) I would be grateful ...
>
> cheers
> Ben Bolker
>
>
>
--
Robert Gentleman, PhD
Program in Computational Biology
Division of Public Health Sciences
Fred Hutchinson Cancer Research Center
1100 Fairview Ave. N, M2-B876
PO Box 19024
Seattle, Washington 98109-1024
206-667-7700
[EMAIL PROTECTED]
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