#!/usr/bin/perl -w
use strict;
use Chart::Gnuplot;
# Create the chart object
my $chart = Chart::Gnuplot->new(
    output => "arrows_6.png",
    title  => "Less sharp head",
);
# Add arrow
$chart->arrow(
    from => "-3, 0.5",
    to   => "1, 0.2",
    head => {angle => 60},
);
# Data set object
my $dataSet = Chart::Gnuplot::DataSet->new(
    func => "sin(x)",
);
# Plot the graph
$chart->plot2d($dataSet);