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 <[email protected]> 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 <[email protected]> MTA KFKI RMKI
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