[CF-metadata] missing_value vs. _FillValue

[Brian Eaton]

Hi John,

On Thu, Nov 06, 2003 at 10:11:12AM -0700, John Caron wrote:
> I dont think of  _FillValue as defining the valid range, but rather its 
> one specific value that is reccomended to be outside the valid range if 
> that is defined.

The NUG (section 8.1) under the entry for valid_range describes how to use
the _FillValue attribute to define the valid range if it hasn't already
been defined by the valid_range, valid_min, or valid_max attributes.
Since _FillValue has default values this means that the valid range also
has default values.

Brian