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Re: Problem for using "Epilog" to plot legend
*To*: mathgroup at smc.vnet.net
*Subject*: [mg87554] Re: Problem for using "Epilog" to plot legend
*From*: "David Park" <djmpark at comcast.net>
*Date*: Sat, 12 Apr 2008 07:04:12 -0400 (EDT)
*References*: <ftmtuu$4ob$1@smc.vnet.net>
I didn't quite see what the legend had to do with the plot. But in any case,
with Presentations it is convenient to simply draw the legend lines on the
plot as additional elements.
Needs["Presentations`Master`"]
Draw2D[
{ListDraw[{{1, 2, 3, 5, 8}, {2, 3, 6, 9, 10}}, Joined -> True,
PlotMarkers -> Automatic,
PlotStyle -> {Black, Darker@Red}],
(* Draw legend *)
Black, Line[Scaled /@ {{.1, .8}, {.3, .8}}],
Text["a", Scaled[{.35, .8}]],
Darker@Red, Line[Scaled /@ {{.1, .7}, {.3, .7}}],
Text["b", Scaled[{.35, .7}]]},
AspectRatio -> 1/GoldenRatio,
Axes -> True,
PlotRange -> {{0, 5.1}, {0, 10}},
BaseStyle -> {FontSize -> 12}]
Or, in this case, it might be more direct to simply label the two curves.
Version 6.0.2 has a graphics tool for picking off coordinates (but it gives
you an extra set of brackets that must be edited out) and Presentations has
a LocatorDraw feature that gives you a temporary Locator and display for
picking off coordinates.
Draw2D[
{ListDraw[{{1, 2, 3, 5, 8}, {2, 3, 6, 9, 10}}, Joined -> True,
PlotMarkers -> Automatic,
PlotStyle -> {Black, Darker@Red}],
(* Label Curves *)
Text[Style["a", 16], {4.26069, 6.55068}],
Text[Style["b", 16], {3.14569, 7.37447}]},
AspectRatio -> 1/GoldenRatio,
Axes -> True,
PlotRange -> {{0, 5.1}, {0, 10}},
BaseStyle -> {FontSize -> 12},
ImageSize -> 350]
--
David Park
djmpark at comcast.net
http://home.comcast.net/~djmpark/
"davis" <davis.v.liu at gmail.com> wrote in message
news:ftmtuu$4ob$1 at smc.vnet.net...
> Dear Group
>
> i want to use "Epilog" to plot a legend,but i have a problem for the
> "Line" command.
>
> ListPlot[{{1, 2, 3, 5, 8}, {2, 3, 6, 9, 10}}, Joined -> True,
> PlotMarkers -> Automatic,
> Epilog ->
> Inset[Framed@
> Column[{Graphics[{DotDashed, Line[{{1, 0}, {2, 0}}]}] Style["a"],
> Graphics[{Dotted, Line[{{1, 0}, {2, 0}}]}] Style["b"]},
> Spacings -> 0, ItemSize -> {15, 0.5}], {1.25, 7}]]
>
> the space between different rows in "legend area" are really large,
>
> but if i change the Line condition,such like below
>
> ListPlot[{{1, 2, 3, 5, 8}, {2, 3, 6, 9, 10}}, Joined -> True,
> PlotMarkers -> Automatic,
> Epilog ->
> Inset[Framed@
> Column[{Graphics[{DotDashed, Line[{{100, 0}, {2, 0}}]}]
> Style["a"],
> Graphics[{Dotted, Line[{{100, 0}, {2, 0}}]}] Style["b"]},
> Spacings -> 0, ItemSize -> {15, 0.5}], {1.25, 7}]]
>
> the rows became close to each other, but the length of the lines became
> too long
>
> how can i solve this?
>
> thank you
>
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