1load("docdraw.mac");
2
3docdraw2d("figures/draw_bars",
4	key = "Group A",
5	fill_color = blue,
6	fill_density = 0.2,
7	bars([0.8,5,0.4],[1.8,7,0.4],[2.8,-4,0.4]),
8	key = "Group B",
9	fill_color = red,
10	fill_density = 0.6,
11	line_width = 4,
12	bars([1.2,4,0.4],[2.2,-2,0.4],[3.2,5,0.4]),
13	xaxis = true);