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Re: [igraph] Question about layout algorithm

From: address@hidden
Subject: Re: [igraph] Question about layout algorithm
Date: Mon, 7 Nov 2011 16:07:09 +0100


Thanks for reply. I would like to make a nice visualization of correlation network. But when I try Your example and when I generate cords in advance with

coords <- layout.fruchterman.reingold(g, weights=E(g)$weight)

Many of my nodes and text overlap, so I cannot read them.

I use the following plotting function

tkplot(g,vertex.size=20,vertex.label.color='black', canvas.width=600, canvas.height=600, layout = coords)

Is it possible to take into account the vertex size and size of text on edges when generating layout, so it is possible to read it ?


On 4 November 2011 16:08, Gábor Csárdi <address@hidden> wrote:
Here is an example.

W <- matrix(runif(100), 10)
W <- W+t(W)
W[ W<0.6 ] <- 0

g <- graph.adjacency(W, mode="undirected", weighted=TRUE, diag=F)
coords <- layout.fruchterman.reingold(g, weights=E(g)$weight)
plot(g, layout=coords, vertex.shape="none", vertex.label=NA, vertex.size=0)

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