#!/usr/bin/perl -w use strict; use Chart::Gnuplot; # Create the chart object my $chart = Chart::Gnuplot->new( output => "rectangle_2.png", title => "Fill the rectangle", ); # Draw a rectangle $chart->rectangle( from => "-5, -0.2", to => "3, 0.4", fill => { density => 0.3, color => "#50CC50", }, ); # Data set object my $dataSet = Chart::Gnuplot::DataSet->new( func => "sin(x)", ); # Plot the graph $chart->plot2d($dataSet);