Plotting in Julia

Plotting in Julia is available through external packages.


PyPlot uses the Julia PyCall package to call Python’s matplotlib directly from Julia with little or no overhead (arrays are passed without making a copy). Make sure that Python and MatPlotlib are correctly installed. Installation of PyPlot.jl and example usage are as follows:

using PyPlot
x = linspace(0,2*pi,1000); y = sin(3*x + 4*cos(2*x))
plot(x, y, color="red", linewidth=2.0, linestyle="--")


Gadfly is an implementation of a Wickham-Wilkinson style grammar of graphics in Julia. Add the Gadfly package to your Julia installation with the following command on the Julia prompt:

using Gadfly
draw(SVG("output.svg", 6inch, 3inch), plot([sin, cos], 0, 25))

Gadfly’s interface will be familiar to users of R’s ggplot2 package. See examples and documentation on the Gadfly homepage.

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