use strict; use GD::Graph::lines; require 'save.pl'; use constant PI => 4 * atan2(1,1); print STDERR "Processing sample55\n"; my @x = map {$_ * 3 * PI/100} (0 .. 100); my @y = map sin, @x; my @z = map cos, @x; my @data = (\@x,\@y,\@z); my $my_graph = new GD::Graph::lines(); $my_graph->set( x_label => 'Angle (Radians)', y_label => 'Trig Function Value', x_tick_number => 'auto', y_tick_number => 'auto', title => 'Sine and Cosine', line_width => 1, x_label_position => 1/2, r_margin => 15, transparent => 0, ); $my_graph->set_legend('Thanks to Scott Prahl'); $my_graph->plot(\@data); save_chart($my_graph, 'sample55'); 1;