Thank you very much Deepayan your code produces a beautiful plot.
---------------------------------------------------------------------------------------------- David M. Kidd Research Assistant School of Biology Room 210, Sir Harold Mitchell Building University of St. Andrews St. Andrews, Fife KY16 9TH UK http://www.st-and.ac.uk/~bugs/dave/dave.htm Tel: +44 (0)1334 463348 Fax: +44 (0)1334 463600
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