Has mentioned in my previous post the way I had looked at reproducing Nightingales old diagram was somewhat flawed. The code below produces rose diagrams in Processing correctly.

A couple of things to remember if your just starting to use processing:

Data visualisation has been my pursuit of choice over the past few weeks, this has involved a lot reading, trying to teach my self how to draw and eating of cake. One of the most interesting stories about graphs I've come across, involves and the diagrams she used to highlight the adverse effect of unhygienic conditions in the army.

One thing I've been looking at recently is data visualisation: how it's used in market research and how it can be improved. At one end of the scale you have a 'high design' approach which aims to produce the most beautiful, clear, data visualisation possible. At the other end of the scale you have a 'pragmatic design' approach - how can you teach your average person to visualise data more effectively.