193 lines
4.0 KiB
Markdown
193 lines
4.0 KiB
Markdown
### Lines
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A simple line plot of the 3 columns.
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```julia
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plot(rand(100,3))
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```
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### Functions
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Plot multiple functions.
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```julia
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plot(0:0.01:4π,[sin,cos])
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```
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###
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You can also call it with plot(f, xmin, xmax).
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```julia
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plot([sin,cos],0,4π)
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```
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###
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Or make a parametric plot with plot(fx, fy, umin, umax).
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```julia
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plot(sin,(x->begin # /home/tom/.julia/v0.4/Plots/docs/example_generation.jl, line 33:
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sin(2x)
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end),0,2π)
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```
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### Global
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Change the guides/background without a separate call.
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```julia
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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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```
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### Two-axis
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Use the `axis` or `axiss` arguments.
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Note: This is only supported with Qwt right now
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```julia
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plot(Vector[randn(100),randn(100) * 100]; axiss=[:left,:right],ylabel="LEFT",yrightlabel="RIGHT")
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```
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### Vectors w/ pluralized args
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Plot multiple series with different numbers of points. Mix arguments that apply to all series (singular... see `marker`) with arguments unique to each series (pluralized... see `colors`).
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```julia
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plot(Vector[rand(10),rand(20)]; marker=:ellipse,markersize=8,colors=[:red,:blue])
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```
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### Build plot in pieces
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Start with a base plot...
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```julia
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plot(rand(100) / 3; reg=true,fillto=0)
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```
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###
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and add to it later.
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```julia
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scatter!(rand(100); markersize=6,color=:blue)
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```
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### Heatmaps
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```julia
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heatmap(randn(10000),randn(10000); nbins=100)
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```
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### Lots of line types
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Options: (:line, :step, :stepinverted, :sticks, :dots, :none, :heatmap, :hexbin, :hist, :bar)
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Note: some may not work with all backends
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```julia
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plot(rand(20,4); linetypes=[:line,:step,:sticks,:dots],labels=["line","step","sticks","dots"])
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```
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### Lots of line styles
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Options: (:solid, :dash, :dot, :dashdot, :dashdotdot)
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Note: some may not work with all backends
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```julia
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plot(rand(20,5); linestyles=[:solid,:dash,:dot,:dashdot,:dashdotdot],labels=["solid","dash","dot","dashdot","dashdotdot"])
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```
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### Lots of marker types
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Options: (:none, :ellipse, :rect, :diamond, :utriangle, :dtriangle, :cross, :xcross, :star1, :star2, :hexagon)
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Note: some may not work with all backends
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```julia
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plot(repmat(collect(1:10)',10,1); markers=[:ellipse,:rect,:diamond,:utriangle,:dtriangle,:cross,:xcross,:star1,:star2,:hexagon],labels=["ellipse","rect","diamond","utriangle","dtriangle","cross","xcross","star1","star2","hexagon"],linetype=:none,markersize=10)
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```
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### Bar
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x is the midpoint of the bar. (todo: allow passing of edges instead of midpoints)
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```julia
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bar(randn(1000))
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```
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### Histogram
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note: fillto isn't supported on all backends
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```julia
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histogram(randn(1000); nbins=50,fillto=20)
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```
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### Subplots
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subplot and subplot! are distinct commands which create many plots and add series to them in a circular fashion.
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You can define the layout with keyword params... either set the number of plots `n` (and optionally number of rows `nr` or
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number of columns `nc`), or you can set the layout directly with `layout`.
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Note: Gadfly is not very friendly here, and although you can create a plot and save a PNG, I haven't been able to actually display it.
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```julia
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subplot(randn(100,5); layout=[1,1,3],linetypes=[:line,:hist,:dots,:step,:bar],nbins=10,legend=false)
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```
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### 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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```julia
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subplot(randn(100,5); n=4)
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```
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###
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```julia
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subplot!(randn(100,3))
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```
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