the property system, among other things. A separate integration into
the FDMs will follow shortly.
This code will be used only if the --with-new-environment option is
*not* passed to configure.
Dave Eberly's spherical interpolation code (found in the Lib/Math
directory). So it would be great if you could give him also a place
in the thanks file. Changing the WeatherDatabse made actually a heavy
internal redesign necessary but no code outside the database is
affected (isn't code hiding great?).
