#!/usr/bin/perl -w use strict; use Chart::Gnuplot; # Create the chart object my $chart = Chart::Gnuplot->new( output => "arrows_5.png", title => "Bigger head", ); # Add arrow $chart->arrow( from => "-3, 0.5", to => "1, 0.2", head => {size => 3}, ); # Data set object my $dataSet = Chart::Gnuplot::DataSet->new( func => "sin(x)", ); # Plot the graph $chart->plot2d($dataSet);