I wanted to plot some simple bar charts recently and I fell on Gruff once again. Since the examples there didn't have any info about bar charts it took me some time (ok - five with ten minutes :D) to find out that you can use them just like line charts but here are some examples anyway:A very simple bar chart:Ok, let's see something more advanced now:And now a bar chart with most of the options changed:For even more options you can check Gruff::Base documentation or the whole Gruff API Have fun :)