87 lines
2.3 KiB
Julia
87 lines
2.3 KiB
Julia
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module PlotExamples
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using Plots
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using Colors
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const DOCDIR = Pkg.dir("Plots") * "/docs"
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const IMGDIR = Pkg.dir("Plots") * "/img"
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doc"""
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Holds all data needed for a documentation example... header, description, and plotting expression (Expr)
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"""
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type PlotExample
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header::String
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desc::String
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exprs::Vector{Expr}
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end
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# the examples we'll run for each
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const examples = PlotExample[
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PlotExample("Lines",
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"A simple line plot of the 3 columns.",
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[:(plot(rand(100,3)))]),
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PlotExample("Functions",
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"Plot multiple functions",
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[:(plot(0:0.01:4π, [sin,cos]))]),
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PlotExample("Global",
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"Change the guides/background without a separate call.",
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[:(plot(rand(10); title="TITLE", xlabel="XLABEL", ylabel="YLABEL", background_color = RGB(0.5,0.5,0.5)))]),
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PlotExample("Vectors",
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"Plot multiple series with different numbers of points.",
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[:(plot(Vector[rand(10), rand(20)]; marker=:ellipse, markersize=8))]),
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PlotExample("Vectors w/ pluralized args",
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"Mix arguments that apply to all series with arguments unique to each series.",
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[:(plot(Vector[rand(10), rand(20)]; marker=:ellipse, markersize=8, colors=[:red,:blue]))]),
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PlotExample("Build plot in pieces",
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"You can add to a plot at any time.",
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[:(plot(rand(100)/3; reg=true, fillto=0)), :(scatter!(rand(100); markersize=6, color=:blue))]),
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]
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function generate_markdown(pkgname::Symbol)
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# set up the plotter, and don't show the plots by default
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plotter!(pkgname)
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plotDefault!(:show, false)
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# open the markdown file
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md = open("$DOCDIR/$(pkgname)_examples.md", "w")
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for (i,example) in enumerate(examples)
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try
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# run the code
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map(eval, example.exprs)
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# save the png
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imgname = "$(pkgname)_example_$i.png"
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savepng("$IMGDIR/$imgname")
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# write out the header, description, code block, and image link
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write(md, "### $(example.header)\n\n")
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write(md, "$(example.desc)\n\n")
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write(md, "```julia\n$(join(map(string, example.exprs), "\n"))\n```\n\n")
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write(md, "\n\n")
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catch ex
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# TODO: put error info into markdown?
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warn("Example $pkgname:$i failed with: $ex")
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end
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#
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end
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close(md)
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end
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# run it!
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map(generate_markdown, (:qwt, :gadfly))
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end # module
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