use PNGgraph::points;

print STDERR "Processing sample 3-1\n";

@data = (
    ["1st","2nd","3rd","4th","5th","6th","7th", "8th", "9th"],
    [    5,   12,   24,   33,   19,    8,    6,    15,    21],
    [    1,    2,    5,    6,    3,  1.5,    undef,     3,     4],
);

$my_graph = new PNGgraph::points();

$my_graph->set(
    x_label => 'X Label',
    y_label => 'Y label',
    title => 'A Points Graph',
    y_max_value => 40,
    y_tick_number => 8,
    y_label_skip => 2,
    legend_placement => 'RC',
    long_ticks => 1,
    marker_size => 6,
    markers => [ 1, 7, 5 ],
);

$my_graph->set_legend( qw( one two ) );

$my_graph->plot_to_png( "sample31.png", \@data );

exit;

