[ncl-talk] convert the time "since seconds" to month-year

[Amal Inge]

hi Carl,
i made some modification in the script attached but I had this error;

fatal:syntax error: line 49 in file xy.ncl before or near ; sets the
correct time labels

time_axis_labels(x, res, restime) ; sets the correct time labels
^

fatal:syntax error: possibly an undefined procedure
fatal:Syntax Error in block, block not executed
fatal:error at line 52 in file xy.ncl



Le mar. 11 déc. 2018 à 14:47, Carl Schreck <cjschrec at ncsu.edu> a écrit :

> Please see
> https://www.ncl.ucar.edu/Document/Functions/User_contributed/time_axis_labels.shtml
> and the examples therein.
>
> Does it work if you uncomment line 49? If not, can you be more specific on
> what "doesn't work"?
>
> On Tue, Dec 11, 2018 at 3:24 AM Amal Inge <amalingenieur89 at gmail.com>
> wrote:
>
>>
>> Dear NCL experts,
>>
>> I want to plot a time series of monthly data of nc file with the script
>> attached but it didn't work, i think that I should convert the time "since
>> seconds" to month-year.
>> how could i do this please?
>>
>> many thanks
>> Amal
>>
>> netcdf dox01_med_0-52 {
>> dimensions:
>>     time = UNLIMITED ; // (215 currently)
>>     lev = 13 ;
>>     lat = 253 ;
>>     lon = 670 ;
>> variables:
>>     double time(time) ;
>>         time:axis = "T" ;
>>         time:calendar = "standard" ;
>>         time:units = "seconds since 1970-01-01 00:00:00" ;
>>         time:long_name = "time" ;
>>         time:standard_name = "time" ;
>>     float lev(lev) ;
>>         lev:_CoordinateZisPositive = "down" ;
>>         lev:_CoordinateAxisType = "Height" ;
>>         lev:axis = "Z" ;
>>         lev:positive = "down" ;
>>         lev:units = "m" ;
>>         lev:long_name = "depth" ;
>>         lev:standard_name = "depth" ;
>>     float lat(lat) ;
>>         lat:axis = "Y" ;
>>         lat:units = "degrees_north" ;
>>         lat:long_name = "latitude" ;
>>         lat:standard_name = "latitude" ;
>>     float lon(lon) ;
>>         lon:axis = "X" ;
>>         lon:units = "degrees_east" ;
>>         lon:long_name = "longitude" ;
>>         lon:standard_name = "longitude" ;
>>     float dox(time, lev, lat, lon) ;
>>         dox:missing_value = 1.e+20f ;
>>         dox:_ChunkSizes = 1, 22, 84, 161 ;
>>         dox:units = "millimol m-3" ;
>>         dox:long_name = "Mole concentration of Dissolved Molecular Oxygen
>> in sea water" ;
>>         dox:standard_name =
>> "mole_concentration_of_dissolved_molecular_oxygen_in_sea_water" ;
>>         dox:_FillValue = 1.e+20f ;
>>
>> // global attributes:
>>         :creation_date = "Tue Dec  4 23:27:50 CET 2018" ;
>>         :Conventions = "None" ;
>>         :source_file = "dox_med_0-52.nc" ;
>>         :title = "NCL Efficient Approach to netCDF Creation" ;
>> }
>>
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>
>
> --
>
> <https://ncics.org/> *Carl J. Schreck III, PhD*
> *Research Scholar*
> North Carolina State University <http://ncsu.edu/>
> North Carolina Institute for Climate Studies (NCICS) <https://ncics.org/>
> 151 Patton Ave, Asheville, NC 28801
> e: cjschrec at ncsu.edu
> o: +1 828 257 3140 <(828)%20257-3140>
> c: +1 828 484 1702 <(828)%20484-1702>
> Publications
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>
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