Figure 3.

CPG application windows and dialogs. Panel A: On launch CPG offers three basic options, color selection, data file selection and a log/help option. A fourth tab which logs interaction with the system is optionally available (Preferences). Panel B: Selection of either a default color set or production of a custom set is done using a color picker is facilitated in the ‘Colors’ window. Color selections can be saved as text files to any directory for later reuse. Options to change fontsize, pie size and pie spacing, as well as spacing between systems, are provided. Panel C: The plot window. The parsed data are shown at top, allowing the user to visually validate the data prior to running the plot routine. Options to change font size, for precise control of spacing and sizes of individual pie charts are provided. Clicking on ‘Plot’ generates the graphical output.