#!/usr/bin/perl -w
use strict;
use Chart::Gnuplot;
# Create the chart object
my $chart = Chart::Gnuplot->new(
output => "lineStyle_4.png",
);
# Data set object
my $type = Chart::Gnuplot::DataSet->new(
func => "cos(x)",
style => "points",
pointtype => "fill-circle",
);
# Plot the graph
$chart->plot2d($type);