Re: missing_data handling in ferret

[Ansley Manke <Ansley.B.Manke@xxxxxxxx>]

Hi Joe,
Within Ferret it's generally a strict comparison of the two floating
point numbers, data-value and missing-flag, a Fortran equality test
using .EQ.

Ansley Manke


Joe Wielgosz wrote:

> Hi folks,
>
> I am working on this missing_data-not-recognized problem, which seems
> to affect both LAS/Ferret and GrADS clients accessing the GDS.
>
> I was just wondering, what algorithm does Ferret use to check for
> missing data when plotting? Does it expect strict binary equality
> between the netCDF missing data value and the variable data, or is it a
> "fuzzy" test with inequalities?
>
> Thanks,
>
> Joe
>
> Joe Wielgosz / joew@cola.iges.org
> ---------------------------------------------------
> Center for Ocean-Land-Atmosphere Studies (COLA)
> Institute for Global Environment and Society (IGES)
> http://www.iges.org

--
Ansley Manke  Pacific Marine Environmental Laboratory  Seattle WA