Re: ListPlot ColorFunction

• To: mathgroup at smc.vnet.net
• Subject: [mg99129] Re: ListPlot ColorFunction
• From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
• Date: Tue, 28 Apr 2009 04:43:32 -0400 (EDT)
• Organization: Uni Leipzig
• References: <gt3tma\$npk\$1@smc.vnet.net>

```Hi,

ListPlot[#, Filling -> Axis, PlotStyle -> PointSize[0.02],
Epilog -> (If[#[[2]] === 0, {PointSize[0.02], RGBColor[1, 0, 0],
Point[#]}, {}] & /@ MapIndexed[Append[#2, #1] &, #])] &[{9,
4, 1, 0, 0, 0, 1, 4, 9}
]

?

Regards
Jens

Serych Jakub wrote:
> Dear Mathematica users,
> first let me thank you for many nice zigzag solutions from my previous post.
>
> Today I have another question. I need to highlight some data points in
> ListPlot by changing their color. How to do it? I tried the similar solution
> which somebody have sent me time ago for the same problem which I had with
> Plot, but it doesn't work with ListPlot.
>
> In the example below I'm trying to make the zero points Red and all other
> Blue.
>
> ListPlot[{9, 4, 1, 0, 0, 0, 1, 4, 9}, Filling -> Axis,
>  PlotStyle -> PointSize[0.02],
>  ColorFunction -> (If[# == 0, RGBColor[1, 0, 0], RGBColor[0, 0, 1]] &)]
>
>
> Thanks in advance for any help
>
> Jakub
>

```

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