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Re: leap year and mc files



Brent,

Try:

time:calendar = "noleap"

instead of 

time:calendar_type = "noleap"

This may solve your problem.


Brent A McDaniel wrote:
> 
> Hi Ferret Users,
> 
> I have begun analysis on data produced by the NASCAR model which defines
> every year as 365 days (so no leap years on 1980 etc).  I converted the
> grads data to netcdf via grads2nc and opened it with ferret.  No suprise,
> it assumed that 1980 was supposed to have leap years so the dates were off
> by one.  I remade the netcdf file using the
> time:calendar_type = "noleap" ; in the header and opened the file via
> ferret and still it assumed that 1980 was a leap year (putting the data
> that should have been mar1 at mar0 and skewing all later data by 1 day).
> Is there a good way to get ferret to recognize the data as being of the
> type noleapyear?
> 
> I'm still using v5.22 but if I upgraded, I could define a new noleap axis
> and regrid the data to it but this seems clunky and is less than
> desireable.  Any suggestions?
> 
> Second question:  Once I figure out question 1, I want to open 17
> annual data files as 1 via the mc descriptor files.  I have .des files
> that I use for standard calenders, but I'm confused as to what to put in
> the s_start and s_end because of the lack of leap years.  Is there a flag
> I can somehow use to tell ferret that I want to use noleap year calenders?
> If someone has an example of a noleap year .des file that would be great
> as well.
> 
> Hopefully I've explained myself well enough to make my troubles clear.
> 
> Thanks as always for the help.
> 
> --Brent
> 
> --
> Brent A. McDaniel
> 
> Dept of Earth and Atmospheric Sciences
> Georgia Institute of Technology
> Atlanta, Ga.  USA

-- 
Tom Knutson
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