# Legend for ListContourPlot

Consider this example below for ListContourPlot.

ListContourPlot[
Table[Sin[j^2 + i], {i, 0, Pi, 0.02}, {j, 0, Pi, 0.02}],
PlotLegends -> Automatic]


I wish to make the Legend look like this:

I have searched the net but did not find any way of doing this. I'm sure this can be done because that legend in the link is created using Mathematica but I can't figure out how.

Maybe it's something very trivial but I would really appreciate if someone could help me with this because I always had a hard time dealing with legends in Mathematica.

The example that I gave above was just for illustration. My actual function is more like this:-

ListContourPlot[
Table[Cos[Sqrt[bx^2 + by^2]], {bx, -1, 1, 0.1}, {by, -1, 1, 0.1}],
ContourLabels -> All, ColorFunction -> "Rainbow",
PlotLegends -> BarLegend[Automatic, All]]


So the plot looks like this:-

This legend has clear color bands which can be separated like that shown in the legend above.

So my question is whatever may be the case can we make a legend that looks like the one I showed.

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Which version are you using? –  Mr.Wizard Apr 27 '13 at 7:19
Version Number : 9.0.0.0 –  Hubble07 Apr 27 '13 at 7:23
@Pinguin Dirk : i hav edited my question ,pls hav a look at it. –  Hubble07 Apr 27 '13 at 9:24
ok, @swish's answer kind of opens my eyes what you want (why is another question :) ), sorry for being so complicated –  Pinguin Dirk Apr 27 '13 at 10:22
@PD Just remembered this quote “Science answers the ‘how’ question. The ‘why’ question is just a silly question. The question is an inappropriate one.” -Richard Dawkins. Anyways thank you for ur time & effort. –  Hubble07 Apr 27 '13 at 11:09

I'm sure you can move from here and make the legend you desire.

(*Make your plot*)
plot = ListContourPlot[
Table[Cos[Sqrt[bx^2 + by^2]], {bx, -1, 1, 0.1}, {by, -1, 1, 0.1}],
ContourLabels -> All, ColorFunction -> "LakeColors"];

(*Specify your legend labels*)
labels = Range[0.1, 1, 0.1];

(*Make legend*)
legend = SwatchLegend["LakeColors", labels,
LegendMarkerSize -> {{15, 15}}, LabelStyle -> {Italic, 12}];

(*Combine them together*)
Legended[plot, legend]


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Yes this(SwatchLegend) is what i was looking for,Merci. –  Hubble07 Apr 27 '13 at 10:50