use Chart::PNGgraph::lines; use GD::Graph::colour; GD::Graph::colour::read_rgb("rgb.txt") or die "Cannot read colours from rgb.txt"; print STDERR "Processing sample 5-3\n"; @data = ( ["1st","2nd","3rd","4th","5th","6th","7th", "8th", "9th"], [ 1, 2, 5, 6, 3, 1.5, -1, -3, -4], [ -4, -3, 1, 1, -3, -1.5, -2, -1, 0], [ 9, 8, 9, 8.4, 7.1, 7.5, 8, 3, -3], [ 0.1, 0.2, 0.5, 0.4, 0.3, 0.5, 0.1, 0, 0.4], ); $my_graph = new Chart::PNGgraph::lines(); $my_graph->set( x_label => 'X Label', y_label => 'Y label', title => 'A Multiple Line Graph', y_max_value => 10, y_min_value => -5, y_tick_number => 3, y_label_skip => 1, zero_axis_only => 0, long_ticks => 1, x_ticks => 0, dclrs => [ qw( darkorchid2 mediumvioletred deeppink darkturquoise ) ], line_types => [ 1, 2, 3, 4 ], line_type_scale => 8, legend_marker_width => 24, line_width => 3, ); $my_graph->set_legend( 'one', 'two', undef, 'four' ); $my_graph->plot_to_png( "sample53.png", \@data ); exit;