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changing style of vertices for ShowGraph with Combinatorica

• To: mathgroup at smc.vnet.net
• Subject: [mg86270] changing style of vertices for ShowGraph with Combinatorica
• From: Murray Eisenberg <murray at math.umass.edu>
• Date: Fri, 7 Mar 2008 02:29:02 -0500 (EST)
• Organization: Mathematics & Statistics, Univ. of Mass./Amherst
• Reply-to: murray at math.umass.edu

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: changing style of vertices for ShowGraph with Combinatorica
    • From: "J. McKenzie Alexander" <jalex@lse.ac.uk>