Re: [igraph] Drawing MST ???

[jameson mcfarlane]

G,
  Rather than having the straight lines I would prefer to have the drawing look like roots of a tree. I would like to see smaller and larger circles depending on the number of nodes. Hence, I believe it should be the vertex sizes.
 
Thank you,
jameson
 

> Date: Thu, 16 Aug 2012 19:00:10 -0400
> From: address@hidden
> To: address@hidden
> Subject: Re: [igraph] Drawing MST ???
>
> Hi Jameson,
>
> On Thu, Aug 16, 2012 at 5:04 PM, jameson mcfarlane
> <address@hidden> wrote:
> > Hi Everyone,
> > I currently have a minimum spanning tree (MST) looking like
> > this: see attachment msta.gif.
> > But I want it to look like this: mstb.gif
>
> What do you mean exactly by 'this'? Same font? Vertex sizes? Layout?
> Labels? Color? Image size? Something else?
>
> Or really exactly like mstb.gif? Then just use mstb.gif. :)
>
> G.
>
> > Here is the code (below) using igraph. I'd greatly appreciate any help.
> > Thank you
> >
> > library(igraph)
> > tab <- read.csv("NewJam6.csv")
> > tab <- tab[,-1]
> > g <- graph.adjacency(as.matrix(tab), weighted=TRUE)
> > V(g)$label <- V(g)$name
> > mst <- as.undirected(minimum.spanning.tree(g))
> >
> > lay <- layout.reingold.tilford(mst, root=which.max(degree(mst))-1)
> > lay <- cbind(lay[,2], lay[,1]) # rotate
> > x11(width=15, height=8)
> > plot(mst, layout=lay, vertex.size=5, vertex.size2=10,
> > vertex.shape="circle", asp=FALSE,
> > vertex.label.cex=0.7, vertex.color="green")
> >
> > ________________________________
> > From: address@hidden
> > To: address@hidden
> > Date: Wed, 8 Aug 2012 16:58:51 +0000
> > Subject: [igraph] Square Matrix /MST
> >
> > Hello Everyone,
> > I'm rather new to igraph. I am using Windows 7 to create an MST
> > (Minimum Spanning Tree) with the attached data file. However, I keep getting
> > that this data is not a square matrix. Any kind of help will be much
> > appreciated.
> >
> > Thank you,
> > Jameson
> >
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> >
> > _______________________________________________
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> >
>
>
>
> --
> Gabor Csardi <address@hidden> MTA KFKI RMKI
>
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