164 lines
4.4 KiB
Markdown
164 lines
4.4 KiB
Markdown
## Examples for backend: winston
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### Initialize
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```julia
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using Plots
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winston()
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```
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### Lines
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A simple line plot of the columns.
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```julia
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plot(fakedata(50,5),w=3)
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```
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### Parametric plots
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Plot function pair (x(u), y(u)).
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```julia
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plot(sin,(x->begin # /Users/tom/.julia/v0.4/Plots/docs/example_generation.jl, line 50:
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sin(2x)
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end),0,2π,line=4,leg=false,fill=(0,:orange))
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```
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### 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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```julia
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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=(0.5,:auto))
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scatter!(y,z=abs(y - 0.5),m=(10,:heat),lab="grad")
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```
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### 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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```julia
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plot(rand(20,3),xaxis=("XLABEL",(-5,30),0:2:20,:flip),background_color=RGB(0.2,0.2,0.2),leg=false)
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title!("TITLE")
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yaxis!("YLABEL",:log10)
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```
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### Two-axis
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Use the `axis` arguments.
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Note: Currently only supported with Qwt and PyPlot
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```julia
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plot(Vector[randn(100),randn(100) * 100],axis=[:l :r],ylabel="LEFT",yrightlabel="RIGHT")
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```
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### 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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```julia
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plot(Vector[rand(10),rand(20)],marker=(:ellipse,8),line=(:dot,3,[:black :orange]))
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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,fill=(0,:green))
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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,c=:orange)
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```
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### Line types
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```julia
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types = intersect(supportedTypes(),[:line,:path,:steppre,:steppost,:sticks,:scatter])'
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n = length(types)
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x = Vector[sort(rand(20)) for i = 1:n]
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y = rand(20,n)
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plot(x,y,line=(types,3),lab=map(string,types),ms=15)
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```
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### Line styles
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```julia
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styles = setdiff(supportedStyles(),[:auto])'
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plot(cumsum(randn(20,length(styles)),1),style=:auto,label=map(string,styles),w=5)
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```
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### Marker types
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```julia
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markers = setdiff(supportedMarkers(),[:none,:auto,Shape])'
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n = length(markers)
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x = (linspace(0,10,n + 2))[2:end - 1]
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y = repmat(reverse(x)',n,1)
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scatter(x,y,m=(8,:auto),lab=map(string,markers),bg=:linen)
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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(999))
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```
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### Histogram
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```julia
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histogram(randn(1000),nbins=50)
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```
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- Supported arguments: `annotation`, `color`, `color_palette`, `fillcolor`, `fillrange`, `group`, `label`, `legend`, `linestyle`, `linetype`, `linewidth`, `markercolor`, `markershape`, `markersize`, `nbins`, `show`, `size`, `smooth`, `title`, `windowtitle`, `x`, `xlabel`, `xlims`, `xscale`, `y`, `ylabel`, `ylims`, `yscale`
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- Supported values for axis: `:auto`, `:left`
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- Supported values for linetype: `:bar`, `:hist`, `:line`, `:none`, `:path`, `:scatter`, `:sticks`
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- Supported values for linestyle: `:auto`, `:dash`, `:dashdot`, `:dot`, `:solid`
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- Supported values for marker: `:auto`, `:cross`, `:diamond`, `:dtriangle`, `:ellipse`, `:none`, `:rect`, `:star5`, `:utriangle`, `:xcross`
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- Is `subplot`/`subplot!` supported? No
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(Automatically generated: 2015-10-18T00:50:13) |