Re: [ferret_users] converting Horizontal time axis to read pentads

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

Hi,

You can define a time axis that is not related to dates on a calendar.  
It will still give you the NOTE, which is saying Ferret doesn't 
automatically do anything with units of pentads.

   DEFINE AXIS/T=1:19:1/units=pentads  taxis_new_pentads

Then the axis will be labeled with simple numbers, and the axis label 
will be the variable's title and the units of (pentad).


On 5/21/2017 1:10 PM, afwande juliet wrote:
> Dear ALL ferreters
> I am calculating pentad rainfall. I have 19 rainfall pentads within 
> 3months. I want my horizontal time axis to read pentad1, pentad2 
> pentad3 .................pentad19 instead of the days.
> I tried this but got the error
> define axis/t/t0=pentads/edges/units=pentads taxis_new_pentads
>            *** NOTE: (fyi) units are not subject to auto-conversion: 
> PENTADS
>  **ERROR: improper grid or axis definition: error in start,end,delta
>
> I checked this 
> http://ferret.pmel.noaa.gov/Ferret/documentation/users-guide/commands-reference/DEFINE#_VPINDEXENTRY_1306
>
> but coud not find what I want
>
> Anybody with help around this would appreciate