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MathGroup Archive 2005

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Re: gridlines

  • To: mathgroup at smc.vnet.net
  • Subject: [mg56618] Re: [mg56594] gridlines
  • From: "David Park" <djmp at earthlink.net>
  • Date: Sat, 30 Apr 2005 01:27:40 -0400 (EDT)
  • Sender: owner-wri-mathgroup at wolfram.com

Mike,

The style has to be inclosed in {}.

Needs["Graphics`Colors`"]

Plot[Sqrt[x], {x, 0, 5},
    GridLines -> {Table[{i, {Red}}, {i, 1, 5}],
        Table[{i, {Red}}, {i, 0.5, 2, 0.5}]}];

But what is more important, the plotted curve or the grid lines? Under the
assumption that the curve is more important the grid lines should be put in
with as light a touch as possible, what Edward Tufte calls the "minimum
effective difference". So something like the following might be better.

Plot[Sqrt[x], {x, 0, 5},
    Frame -> True,
    GridLines -> {Table[{i, {Gainsboro}}, {i, 0, 5}],
        Table[{i, {Gainsboro}}, {i, 0.0, 2, 0.5}]},
    PlotLabel -> "Use Light Touch on Grid Lines",
    Background -> Linen,
    ImageSize -> 450];

David Park
djmp at earthlink.net
http://home.earthlink.net/~djmp/




From: Mike [mailto:jenningsmca_REMOVETHIS at hotmail.com]
To: mathgroup at smc.vnet.net

Mathematica Help states that you can color the Gridlines within a plot
by utilizing the RGBColor cmd. I have tried a few different ways but
cannot get the gridlines to turn red.
Anyone know the appropriate syntax to make the grid line red?

MJ





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