Convert longitudes to -180 to 180.  Convert area units to square radians.  Mostly a test check-in from home machine using http://dunkel/svn/repos/
Convert longitudes to -180 to 180.  Convert area units to square radians.  Mostly a test check-in from home machine using http://dunkel/svn/repos/

git-svn-id: 77c6ae948ca0f9b1480c5330e5e23bcf0afa938f@12441 fdbf22ae-c210-0410-be80-ca943da6b8f8

NOAA-PMEL/PyFerret,NOAA-PMEL/PyFerret,NOAA-PMEL/PyFerret,NOAA-PMEL/PyFerret,NOAA-PMEL/PyFerret