Pie charts are a popular and simple tool to visually compare the relative size of the parts of a numeric whole. Yet, there is more to getting a SAS/GRAPH pie chart right than one may think. This paper starts with an eye-opening comparison of 3D and 2D. The reader will see how 3D can actually undermine visual communication by distorting the apparent relative size of slices. Then the paper looks at ordering pie slices. To maximally exploit the power of simplicity, the reader will be shown the author's "Pac-man Pie Chart".
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