id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
201	_FillValue attribute for variables?	Huw Lewis	Dave Offiler	"At ROPP-4, the value of ropp_MDFV is now output as a global attribute in the netCDF. Choosing a value of -99999999.9 means that missing float values are actually being output as -1E8 due to rounding.

All double and float missing values should really have the same missing value. If the variable attribute _FillValue is set, then perhaps we can set different output FillValues for floats and doubles. It may also be possible then for missing data to be output when viewing the file as '-' rather than the full numerical value.

To be investigated/fixed.... "	enhancement	assigned	minor	Whenever	ropp_io	4.0