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Re: Graphplot - colors of particular edges

  • To: mathgroup at smc.vnet.net
  • Subject: [mg98811] Re: Graphplot - colors of particular edges
  • From: "Sjoerd C. de Vries" <sjoerd.c.devries at gmail.com>
  • Date: Mon, 20 Apr 2009 01:29:43 -0400 (EDT)
  • References: <gseos7$eft$1@smc.vnet.net>

Try this for the EdgeRenderingFunction option:

EdgeRenderingFunction -> ({Switch[#2, {"v9", "v1"},
     Red, {"v6", "v10"}, Green, {"v7", "v3"}, Blue, _, Black],
    Thickness[0.0030], Line[#1]} &)

Cheers -- Sjoerd

On Apr 19, 10:54 am, MartyIX <vseticka.mar... at gmail.com> wrote:
> Dear MathGroup,
>
>   is there an easy way how to change colors of some edges in graph? I t=
hink I can use this solution:
>
> http://mathforum.org/kb/thread.jspa?forumID=79&threadID=1863422&messa=
...
>
> (only for edges) but it seems to be a little clumsy.
>
> This is my graph:
> ====================
> GraphPlot[{"v9" -> "v1", "v9" -> "v5", "v9" -> "v7", "v9" -> "v4",
>   "v5" -> "v2", "v5" -> "v0", "v7" -> "v0", "v7" -> "v3",
>   "v2" -> "v1", "v3" -> "v4", "v2" -> "v6", "v0" -> "v6",
>   "v0" -> "v8", "v3" -> "v8", "v6" -> "v10", "v8" -> "v10",
>   "v1" -> "v10", "v4" -> "v10"}, VertexLabeling -> True,
>  VertexCoordinateRules -> {"v0" -> {0, 0}, "v2" -> {-2, 0},
>    "v3" -> {2, 0}, "v1" -> {-3, 0}, "v4" -> {3, 0}, "v5" -> {-1, 1},
>    "v7" -> {1, 1}, "v6" -> {-1, -1}, "v8" -> {1, -1}, "v9" -> {0, 2},
>    "v10" -> {0, -2}},
>  EdgeRenderingFunction -> ({Black, Thickness[0.0030], Line[#1]} &),
>  VertexRenderingFunction -> ({LightGray, Disk[#1, 0.25], Black,
>      Text[#2, #1]} &)]
> ===============
>
> And I want to change color of several edges - not many.
>
> Thank you for any help!



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