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Re: Re: Label vertices in Graph to display with GraphPlot

  • To: mathgroup at smc.vnet.net
  • Subject: [mg87290] Re: [mg87241] Re: Label vertices in Graph to display with GraphPlot
  • From: Murray Eisenberg <murray at math.umass.edu>
  • Date: Sun, 6 Apr 2008 06:46:15 -0400 (EDT)
  • Organization: Mathematics & Statistics, Univ. of Mass./Amherst
  • References: <200804050922.EAA12061@smc.vnet.net>
  • Reply-to: murray at math.umass.edu

Thank you for your response.  But unfortunately that does not answer the 
question I asked.  I asked how to how to display the vertex labels with 
GraphPlot when the graph was created using a Combinatorica package 
function that directly creates a graph, e.g.:

    g = RotateVertices[Cycle[5], \[Pi]/10]; g = AddEdge[g, {2, 5}];
    g = SetGraphOptions[g, VertexLabel -> Characters["abcde"]];

So the structure of g is NOT the sort of structure you show.

Now I want to display those vertex labels with GraphPlot, but the 
"obvious" thing does NOT work:

   GraphPlot[g,Method->None,VertexRenderingFunction->(Text[#2,#1]&)

I want to reproduce with GraphPlot the sort of display I get with the 
Combinatorica function ShowGraph:

   ShowGraph[g]

P_ter wrote:
> Hello Murray,
> when I take the last example in the documentation of GraphPlot3D (basic examples: the rendering) and use the following graph the labels do not show up. (the text comes from an application of Formal Concept Analysis to a consumer table for mobile phones). Anyway, they do now show up.
> gr1 = {"Gesprekken" -> "Gebruik-+", "Gesprekken" -> "Duurzaamheid-+", "Gebruik-+" -> "Draagbaarheid++","Gebruik-+" -> "SMS-+", 
> "Gebruik-+" -> "Lege knoop", "Duurzaamheid-+" -> "Accu++", 
>    "Duurzaamheid-+" -> "Lege knoop", 
>    "Draagbaarheid++" -> "Duurzaamheid++", 
>    "Draagbaarheid++" -> "SMS--", "Lege knoop" -> "SMS--", 
>    "SMS-+" -> "Duurzaamheid++", "SMS-+" -> 9, "Lege knoop" -> 9, 
>    "Accu++" -> 9, "Accu++" -> "Gebruik+", "Duurzaamheid++" -> "Earth",
>     "SMS--" -> "Earth", 9 -> "Earth", "Gebruik+" -> "Earth"};
> 

-- 
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


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