NetCDF question

[Don Hooper]

Kobi,

That is not output from "ncdump -c".  The coordinate values are critical
to answering the question.  Please submit the output from "ncdump -c",
or, at the very least, the output from "ncdump -v lat,lon".  Thanks.

-Hoop
> From owner-gradsusr at LIST.CINECA.IT  Fri May 12 14:43:03 2006
> From: Kobi Mosquera <kobi at CHAVIN.IGP.GOB.PE>
>
> Hi GrADS users,
>
> I have a technical question. I converted my data (time serie) to a NetCDF format and
> this can be quasi-ingested by GrADS because when I type "q file" the output is:
>
> X is fixed     Lon = 1  X = 1
> Y is fixed     Lat = 1  Y = 1
> Z is fixed     Lev = 0  Z = 1
> T is fixed     Time = 05Z01APR2001  T = 1
>
> In my NetCDF file I have defined the Latitude and Longitude as -5 and
> -78, respectively.
>
> Does anybody know what else is necessary to put in the attributes of
> Latitude and Longitude that would be read successfully by GrADS?
>
> Thanks a lot for your answer,
>
> KOBI.
>
> PS. The result of the ncdump command is:
>
> ============================================================
> netcdf data_igp {
> dimensions:
>         time = 72 ;
>         height = 1 ;
>         lat = 1 ;
>         lon = 1 ;
> variables:
>         float time(time) ;
>                 time:units = "hours since 2000-1-1 00:00:0.0 -5:00" ;
>                 time:long_name = "Time" ;
>                 time:delta_t = "0000-00-00 01:00:00" ;
>                 time:axis = "T" ;
>         float height(height) ;
>                 height:actual_range = 0.f, 0.f ;
>                 height:units = "m " ;
>                 height:axis = "Z" ;
>         float lat(lat) ;
>                 lat:actual_range = -5.f, -5.f ;
>                 lat:units = "degrees_north" ;
>                 lat:long_name = "Latitude" ;
>                 lat:axis = "Y" ;
>         float lon(lon) ;
>                 lon:actual_range = -78.f, -78.f ;
>                 lon:units = "degrees_east" ;
>                 lon:long_name = "Longitude" ;
>                 lon:axis = "X" ;
>         float temp_aire(time, height, lat, lon) ;
>                 temp_aire:name = "AT " ;
>                 temp_aire:long_name = "Temperatura del aire " ;
>                 temp_aire:units = "degC  " ;
>                 temp_aire:actual_range = 5.f, 50.f ;
>                 temp_aire:missing_value = -999.f ;
>
> // global attributes:
>                 :Source = "Instituto Geofisico del Peru ( http://www.met.igp.gob.pe )" ;
>                 :File_info = "Contactar a Kobi MOsquera  kobi at chavin.igp.gob.pe " ;
>                 :title = "Temperatura del aire  en la estacion La Calurosa         " ;
>                 :description = "Temperatura del aire  de la estacion La
> Calurosa         " ;
>                 :missing_value = -999.f ;
>                 :Convention = "COARDS" ;
> }
> =================================================
>
>
> --------------------------------------------------------
> Kobi A. Mosquera Vásquez
> Centro de Predicción Numérica del Tiempo y Clima (CPNTC)
> Instituto Geofísico del Perú (IGP)
>
> Calle Badajoz N° 169 – 171
> Urbanización Mayorazgo,IV Etapa
> Lima 3 - Perú
> Telefax (51) 1 3172326
> http://www.met.igp.gob.pe
> --------------------------------------------------------
>