[R] linewidth in Rgraphviz
bolker at ufl.edu
Mon Oct 8 17:14:50 CEST 2007
Robert Gentleman wrote:
> Hi Ben,
> Sorry for the slow reply, but something like this works,
Sorry not to have responded sooner. I had actually
worked it out for myself (after finding another e-mail
exchange on the Bioconductor list that indicated the
problem had been solved).
This is a fragment of a larger piece of code,
but here's what I did to make the line widths
proportional to sqrt(edge weight):
en = edgeNames(gr2)
lw = sqrt(unlist(edgeWeights(gr2)))
en2 = gsub("~",".",en)
lw2 = lw[en2]
names(lw2) = en
eAttrs <- list(lwd=lw2)
## sublists and node attributes defined earlier ...
thanks for such useful tools!
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