Merge pull request #1278 from JackDevine/master
Examples are limited to 90 columns.
This commit is contained in:
Daniel Schwabeneder
GitHub
commit
4bbe367aab
164
src/examples.jl
164
src/examples.jl
@ -18,7 +18,14 @@ PlotExample("Lines",
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),
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PlotExample("Functions, adding data, and animations",
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"Plot multiple functions. You can also put the function first, or use the form `plot(f, xmin, xmax)` where f is a Function or AbstractVector{Function}.\n\nGet series data: `x, y = plt[i]`. Set series data: `plt[i] = (x,y)`. Add to the series with `push!`/`append!`.\n\nEasily build animations. (`convert` or `ffmpeg` must be available to generate the animation.) Use command `gif(anim, filename, fps=15)` to save the animation.",
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"""
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Plot multiple functions. You can also put the function first, or use the form `plot(f,
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xmin, xmax)` where f is a Function or AbstractVector{Function}.\n\nGet series data:
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`x, y = plt[i]`. Set series data: `plt[i] = (x,y)`. Add to the series with
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`push!`/`append!`.\n\nEasily build animations. (`convert` or `ffmpeg` must be available
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to generate the animation.) Use command `gif(anim, filename, fps=15)` to save the
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animation.
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""",
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[:(begin
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p = plot([sin,cos], zeros(0), leg=false)
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anim = Animation()
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@ -37,23 +44,35 @@ PlotExample("Parametric plots",
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),
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PlotExample("Colors",
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"Access predefined palettes (or build your own with the `colorscheme` method). Line/marker colors are auto-generated from the plot's palette, unless overridden. Set the `z` argument to turn on series gradients.",
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"""
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Access predefined palettes (or build your own with the `colorscheme` method).
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Line/marker colors are auto-generated from the plot's palette, unless overridden. Set
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the `z` argument to turn on series gradients.
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""",
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[:(begin
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y = rand(100)
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plot(0:10:100,rand(11,4),lab="lines",w=3,palette=:grays,fill=0, α=0.6)
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scatter!(y, zcolor=abs.(y-.5), m=(:heat,0.8,stroke(1,:green)), ms=10*abs.(y-0.5)+4, lab="grad")
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y = rand(100)
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plot(0:10:100,rand(11,4),lab="lines",w=3,palette=:grays,fill=0, α=0.6)
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scatter!(y, zcolor=abs.(y-.5), m=(:heat,0.8,stroke(1,:green)), ms=10*abs.(y-0.5)+4,
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lab="grad")
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end)]
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),
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PlotExample("Global",
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"Change the guides/background/limits/ticks. Convenience args `xaxis` and `yaxis` allow you to pass a tuple or value which will be mapped to the relevant args automatically. The `xaxis` below will be replaced with `xlabel` and `xlims` args automatically during the preprocessing step. You can also use shorthand functions: `title!`, `xaxis!`, `yaxis!`, `xlabel!`, `ylabel!`, `xlims!`, `ylims!`, `xticks!`, `yticks!`",
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"""
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Change the guides/background/limits/ticks. Convenience args `xaxis` and `yaxis` allow
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you to pass a tuple or value which will be mapped to the relevant args automatically.
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The `xaxis` below will be replaced with `xlabel` and `xlims` args automatically during
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the preprocessing step. You can also use shorthand functions: `title!`, `xaxis!`,
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`yaxis!`, `xlabel!`, `ylabel!`, `xlims!`, `ylims!`, `xticks!`, `yticks!`
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""",
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[:(begin
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y = rand(20,3)
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plot(y, xaxis=("XLABEL",(-5,30),0:2:20,:flip), background_color = RGB(0.2,0.2,0.2), leg=false)
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hline!(mean(y,1)+rand(1,3), line=(4,:dash,0.6,[:lightgreen :green :darkgreen]))
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vline!([5,10])
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title!("TITLE")
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yaxis!("YLABEL", :log10)
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y = rand(20,3)
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plot(y, xaxis=("XLABEL",(-5,30),0:2:20,:flip), background_color = RGB(0.2,0.2,0.2),
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leg=false)
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hline!(mean(y,1)+rand(1,3), line=(4,:dash,0.6,[:lightgreen :green :darkgreen]))
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vline!([5,10])
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title!("TITLE")
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yaxis!("YLABEL", :log10)
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end)]
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),
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@ -73,7 +92,14 @@ PlotExample("Images",
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),
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PlotExample("Arguments",
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"Plot multiple series with different numbers of points. Mix arguments that apply to all series (marker/markersize) with arguments unique to each series (colors). Special arguments `line`, `marker`, and `fill` will automatically figure out what arguments to set (for example, we are setting the `linestyle`, `linewidth`, and `color` arguments with `line`.) Note that we pass a matrix of colors, and this applies the colors to each series.",
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"""
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Plot multiple series with different numbers of points. Mix arguments that apply to all
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series (marker/markersize) with arguments unique to each series (colors). Special
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arguments `line`, `marker`, and `fill` will automatically figure out what arguments to
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set (for example, we are setting the `linestyle`, `linewidth`, and `color` arguments with
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`line`.) Note that we pass a matrix of colors, and this applies the colors to each
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series.
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""",
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[:(begin
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ys = Vector[rand(10), rand(20)]
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plot(ys, color=[:black :orange], line=(:dot,4), marker=([:hex :d],12,0.8,stroke(3,:gray)))
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@ -115,12 +141,13 @@ PlotExample("Line types",
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PlotExample("Line styles",
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"",
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[:(begin
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styles = filter(s -> s in Plots.supported_styles(), [:solid, :dash, :dot, :dashdot, :dashdotdot])
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styles = reshape(styles, 1, length(styles)) # Julia 0.6 unfortunately gives an error when transposing symbol vectors
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n = length(styles)
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y = cumsum(randn(20,n),1)
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plot(y, line = (5, styles), label = map(string,styles), legendtitle = "linestyle")
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end)]
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styles = filter(s -> s in Plots.supported_styles(),
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[:solid, :dash, :dot, :dashdot, :dashdotdot])
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styles = reshape(styles, 1, length(styles)) # Julia 0.6 unfortunately gives an error when transposing symbol vectors
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n = length(styles)
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y = cumsum(randn(20,n),1)
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plot(y, line = (5, styles), label = map(string,styles), legendtitle = "linestyle")
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end)]
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),
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PlotExample("Marker types",
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@ -150,19 +177,25 @@ PlotExample("Histogram",
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),
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PlotExample("Subplots",
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"""
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Use the `layout` keyword, and optionally the convenient `@layout` macro to generate arbitrarily complex subplot layouts.
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""",
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"""
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Use the `layout` keyword, and optionally the convenient `@layout` macro to generate
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arbitrarily complex subplot layouts.
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""",
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[:(begin
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l = @layout([a{0.1h}; b [c;d e]])
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plot(randn(100,5), layout=l, t=[:line :histogram :scatter :steppre :bar], leg=false, ticks=nothing, border=:none)
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l = @layout([a{0.1h}; b [c;d e]])
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plot(randn(100,5), layout=l, t=[:line :histogram :scatter :steppre :bar], leg=false,
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ticks=nothing, border=:none)
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end)]
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),
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PlotExample("Adding to subplots",
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"Note here the automatic grid layout, as well as the order in which new series are added to the plots.",
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"""
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Note here the automatic grid layout, as well as the order in which new series are added
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to the plots.
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""",
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[:(begin
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plot(Plots.fakedata(100,10), layout=4, palette=[:grays :blues :heat :lightrainbow], bg_inside=[:orange :pink :darkblue :black])
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plot(Plots.fakedata(100,10), layout=4, palette=[:grays :blues :heat :lightrainbow],
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bg_inside=[:orange :pink :darkblue :black])
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end)]
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),
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@ -175,43 +208,63 @@ PlotExample("",
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),
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PlotExample("Open/High/Low/Close",
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"Create an OHLC chart. Pass in a list of (open,high,low,close) tuples as your `y` argument. This uses recipes to first convert the tuples to OHLC objects, and subsequently create a :path series with the appropriate line segments.",
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"""
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Create an OHLC chart. Pass in a list of (open,high,low,close) tuples as your `y`
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argument. This uses recipes to first convert the tuples to OHLC objects, and
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subsequently create a :path series with the appropriate line segments.
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""",
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[:(begin
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n=20
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hgt=rand(n)+1
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bot=randn(n)
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openpct=rand(n)
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closepct=rand(n)
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y = OHLC[(openpct[i]*hgt[i]+bot[i], bot[i]+hgt[i], bot[i], closepct[i]*hgt[i]+bot[i]) for i in 1:n]
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ohlc(y)
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n=20
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hgt=rand(n)+1
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bot=randn(n)
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openpct=rand(n)
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closepct=rand(n)
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y = OHLC[(openpct[i]*hgt[i]+bot[i], bot[i]+hgt[i], bot[i],
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closepct[i]*hgt[i]+bot[i]) for i in 1:n]
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ohlc(y)
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end)]
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),
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PlotExample("Annotations",
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"The `annotations` keyword is used for text annotations in data-coordinates. Pass in a tuple (x,y,text) or a vector of annotations. `annotate!(ann)` is shorthand for `plot!(; annotation=ann)`. Series annotations are used for annotating individual data points. They require only the annotation... x/y values are computed. A `PlotText` object can be build with the method `text(string, attr...)`, which wraps font and color attributes.",
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"""
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The `annotations` keyword is used for text annotations in data-coordinates. Pass in a
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tuple (x,y,text) or a vector of annotations. `annotate!(ann)` is shorthand for `plot!(;
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annotation=ann)`. Series annotations are used for annotating individual data points.
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They require only the annotation... x/y values are computed. A `PlotText` object can be
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build with the method `text(string, attr...)`, which wraps font and color attributes.
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""",
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[:(begin
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y = rand(10)
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plot(y, annotations = (3,y[3],text("this is #3",:left)), leg=false)
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annotate!([(5, y[5], text("this is #5",16,:red,:center)), (10, y[10], text("this is #10",:right,20,"courier"))])
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scatter!(linspace(2,8,6), rand(6), marker=(50,0.2,:orange), series_annotations = ["series","annotations","map","to","series",text("data",:green)])
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y = rand(10)
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plot(y, annotations = (3,y[3],text("this is #3",:left)), leg=false)
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annotate!([(5, y[5], text("this is #5",16,:red,:center)),
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(10, y[10], text("this is #10",:right,20,"courier"))])
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scatter!(linspace(2,8,6), rand(6), marker=(50,0.2,:orange),
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series_annotations = ["series","annotations","map","to","series",
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text("data",:green)])
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end)]
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),
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PlotExample("Custom Markers",
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"A `Plots.Shape` is a light wrapper around vertices of a polygon. For supported backends, pass arbitrary polygons as the marker shapes. Note: The center is (0,0) and the size is expected to be rougly the area of the unit circle.",
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"""A `Plots.Shape` is a light wrapper around vertices of a polygon. For supported
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backends, pass arbitrary polygons as the marker shapes. Note: The center is (0,0) and
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the size is expected to be rougly the area of the unit circle.
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""",
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[:(begin
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verts = [(-1.0,1.0),(-1.28,0.6),(-0.2,-1.4),(0.2,-1.4),(1.28,0.6),(1.0,1.0),
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(-1.0,1.0),(-0.2,-0.6),(0.0,-0.2),(-0.4,0.6),(1.28,0.6),(0.2,-1.4),
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(-0.2,-1.4),(0.6,0.2),(-0.2,0.2),(0.0,-0.2),(0.2,0.2),(-0.2,-0.6)]
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x = 0.1:0.2:0.9
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y = 0.7rand(5)+0.15
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plot(x, y, line = (3,:dash,:lightblue), marker = (Shape(verts),30,RGBA(0,0,0,0.2)),
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bg=:pink, fg=:darkblue, xlim = (0,1), ylim=(0,1), leg=false)
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verts = [(-1.0,1.0),(-1.28,0.6),(-0.2,-1.4),(0.2,-1.4),(1.28,0.6),(1.0,1.0),
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(-1.0,1.0),(-0.2,-0.6),(0.0,-0.2),(-0.4,0.6),(1.28,0.6),(0.2,-1.4),
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(-0.2,-1.4),(0.6,0.2),(-0.2,0.2),(0.0,-0.2),(0.2,0.2),(-0.2,-0.6)]
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x = 0.1:0.2:0.9
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y = 0.7rand(5)+0.15
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plot(x, y, line = (3,:dash,:lightblue), marker = (Shape(verts),30,RGBA(0,0,0,0.2)),
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bg=:pink, fg=:darkblue, xlim = (0,1), ylim=(0,1), leg=false)
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end)]
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),
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PlotExample("Contours",
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"Any value for fill works here. We first build a filled contour from a function, then an unfilled contour from a matrix.",
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"""
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Any value for fill works here. We first build a filled contour from a function, then an
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unfilled contour from a matrix.
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""",
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[:(begin
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x = 1:0.5:20
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y = 1:0.5:10
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@ -323,7 +376,11 @@ PlotExample("Animation with subplots",
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),
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PlotExample("Spy",
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"For a matrix `mat` with unique nonzeros `spy(mat)` returns a colorless plot. If `mat` has various different nonzero values, a colorbar is added. The colorbar can be disabled with `legend = nothing`.",
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"""
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For a matrix `mat` with unique nonzeros `spy(mat)` returns a colorless plot. If `mat` has
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various different nonzero values, a colorbar is added. The colorbar can be disabled with
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`legend = nothing`.
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""",
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[:(begin
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a = spdiagm((ones(50), ones(49), ones(49), ones(40), ones(40)),(0, 1, -1, 10, -10))
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b = spdiagm((1:50, 1:49, 1:49, 1:40, 1:40),(0, 1, -1, 10, -10))
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@ -332,7 +389,9 @@ PlotExample("Spy",
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),
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PlotExample("Magic grid argument",
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"The grid lines can be modified individually for each axis with the magic `grid` argument.",
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"""
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The grid lines can be modified individually for each axis with the magic `grid` argument.
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""",
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[:(begin
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x = rand(10)
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p1 = plot(x, title = "Default looks")
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@ -344,7 +403,10 @@ PlotExample("Magic grid argument",
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),
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PlotExample("Framestyle",
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"The style of the frame/axes of a (sub)plot can be changed with the `framestyle` attribute. The default framestyle is `:axes`.",
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"""
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The style of the frame/axes of a (sub)plot can be changed with the `framestyle`
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attribute. The default framestyle is `:axes`.
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""",
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[:(begin
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scatter(fill(randn(10), 6), fill(randn(10), 6),
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framestyle = [:box :semi :origin :zerolines :grid :none],
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