Re: [ferret_users] How do I create a time variable

[Ansley Manke <ansley.b.manke@xxxxxxxx>]

Hi Adriano,
Welcome to Ferret!

Is this a netCDF file?  If so, then we like to check whether it has the right attributes in it so that Ferret can interpret the time axis.  Can you plot a time series and does it show the time coordinates correctly?

If that is the case, then you can make a variable with date strings using the function TAX_DATESTRING which converts the internal numeric time coordinates such as seconds or days since some date, to strings.  For example,

yes? let tt = t[gt=temp]  ! a variable with the numeric time coordinates
yes? let tdates = TAX_DATESTRING(tt, tt, "hour") 

yes? list/norow/file=text.dat tdates

If your file is organized differently, please write back and let us know more about the input data, and we can help.

Ansley

On 8/23/2013 10:56 AM, nhacoceano . wrote:

Hello Ferret Folks,

I'm new in using Ferret. But in just a few months I saw how it could help us in many ways and in a quickly approach.

I have a question that might be silly. 

My dataset has 4 variables u,v,temp and salt. They have a tstart, tend and lsize. 

I wanna create a variable "DATE" as a vector, which ranges from tstart until tend with lsize of length. After this I will list that variable in a .txt file.

Someone could help me?

Many thanks.

Cheers,
Adriano

--

Adriano Wiermann Barroso

Oceanólogo 

Universidade Federal do Rio Grande - FURG/RS

Currículo Lattes: http://lattes.cnpq.br/5176193025210848