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Re: changing style of vertices for ShowGraph with Combinatorica

• To: mathgroup at smc.vnet.net
• Subject: [mg86307] Re: changing style of vertices for ShowGraph with Combinatorica
• From: "Steve Luttrell" <steve at _removemefirst_luttrell.org.uk>
• Date: Sat, 8 Mar 2008 05:40:18 -0500 (EST)
• References: <fqqrql$k9j$1@smc.vnet.net>

You could use the native GraphPlot function to plot your 
Combinatorica-defined graph as follows:

Needs["Combinatorica`"]

g = Cycle[3];

GraphPlot[g,
 VertexRenderingFunction -> ({EdgeForm[{Thick, Red}],
     FaceForm[Yellow], Disk[#1, 0.05], Text[#2, #1]} &)]

Stephen Luttrell
West Malvern, UK

"Murray Eisenberg" <murray at math.umass.edu> wrote in message 
news:fqqrql$k9j$1 at smc.vnet.net...
> With Mathematica 6, I can change the default style (medium black disk)
> for rendering the vertices of a Combinatorica Graph like this:
>
>   Needs["Combinatorica`"]
>
>   g = Cycle[3];
>   ShowGraph[g, VertexStyle -> Disk[Large], VertexColor -> Red]
>
> But how can I, for example, change the vertex style so it is, say, a
> large yellow disk with a thick red boundary?  Or even just change it to
> be a circle?  I tried "obvious" things like the following, but they
> cause errors:
>
>   ShowGraph[g, VertexStyle -> Graphics[Circle[], ImageSize -> 20]]
>
> -- 
> Murray Eisenberg                     murray at math.umass.edu
> Mathematics & Statistics Dept.
> Lederle Graduate Research Tower      phone 413 549-1020 (H)
> University of Massachusetts                413 545-2859 (W)
> 710 North Pleasant Street            fax   413 545-1801
> Amherst, MA 01003-9305
> 

• Follow-Ups:
  • Re: Re: changing style of vertices for ShowGraph with Combinatorica
    • From: Murray Eisenberg <murray@math.umass.edu>