my $chart = GD::Graph::lines->new(1000,480);
$chart->set(x_label => "time",      # no axes for pie chart
			x_labels_vertical => 1,
			x_label_skip => 50,
			y_label => "price",
			title   => "misc stock",
			long_ticks => 0,  # make a grid of all the ticks
		   );
my $plot = $chart->plot($dataref) or die $chart->error;