Free as in free speech

I have been working these days in introducing the pie chart class I wrote with mercurio help some time ago. If you remember, those charts were 3D and they looked fine so far. It seems that our artists prefer having 2D graphs in there. That meant, hands to work. Since I am not a colors expert, I have been trying till now with colors, with the 2D pie chart class written.

So the immediate approach was to use the 3D chart class:

 Pinheiro suggested that the graph should be in 2D, apart from the horrible colors I had chosen for this shot. So, here are some of the results with sky-blue and blue colors I had chosen from the oxygen palette. I still need to remove the hard coded colors.

 What do you think about them ?