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#!/usr/bin/env ruby
# Turn on warnings
$-w = true
require 'gnuplot'
require 'gsl'
require 'gsl/gnuplot';
# Plot using gnuplot
Gnuplot.open do |gp|
Gnuplot::Plot.new( gp ) do |plot|
plot.xrange "[0:10]"
plot.yrange "[-1.5:1.5]"
plot.title "Sin Wave Example"
plot.xlabel "x"
plot.ylabel "sin(x)"
plot.pointsize 3
plot.grid
x = GSL::Vector[0..10]
y = GSL::Sf::sin(x)
plot.data = [
Gnuplot::DataSet.new( "sin(x)" ) { |ds|
ds.with = "lines"
ds.title = "String function"
ds.linewidth = 4
},
Gnuplot::DataSet.new( [x, y] ) { |ds|
ds.with = "linespoints"
ds.title = "Array data"
}
]
end
end
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