#!/usr/bin/perl -w use strict; use Chart::Gnuplot; my $chart = Chart::Gnuplot->new( output => "gallery/grid_3.png", title => "Grid lines in longdash", grid => { linetype => "longdash" } ); my $dataSet = Chart::Gnuplot::DataSet->new( func => "sin(x)", ); $chart->plot2d($dataSet);