Re: [igraph] make igraph charts wider

[Gábor Csárdi]

It is called graph.data.frame(). There is a misunderstanding here, I think. An igraph object does not store how the graph will look when you plot it (although you can attach attributes to the graph and these might store some plotting information. I.e. 'g' in the example below has no information about how wide the the plot will be.

You can make graph plots wider the same way, it does not matter how you created them. E.g.:

library(igraph)
g <- graph.ring(10)
png("ring.png", width=300, height=150)
par(mar=c(0,0,0,0))
plot(g, asp=0, margin=0)
dev.off()

g2 <- graph.data.frame(data.frame(from=1:10, to=c(2:10,1)))
png("ring2.png", width=300, height=150)
par(mar=c(0,0,0,0))
plot(g2, asp=0, margin=0)
dev.off()

Gabor

On Tue, Dec 4, 2012 at 11:07 AM, Mike Dylan <address@hidden> wrote:

Hi Gabor:

 

Sorry to bother you again. Is it possible to strerch the igraph using data.frame.graph?

On Monday, November 26, 2012 3:02:00 PM UTC-5, Mike Dylan wrote:

plot(g, layout =  layout.kamada.kawai,  vertex.label = V(g)$name,  vertex.label.color= "darkblue",edge.arrow.size=0.8,  edge.curved=T, edge.label=E(g)$Freq, edge.label.color="#F900F9", edge.label.font=5,vertex.shape="rectangle",edge.color="darkgreen", vertex.color="red"))

 

I tried the above layout type and bunch of other ones but still getting the circular output. I would like to make the chart wider so that it is easlity readable. Is there an option like xaxis max or antything to make this work?

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Gabor Csardi <address@hidden>     MTA KFKI RMKI