[gradsusr] GrADS is displaying only 1 variable

Thu Aug 2 10:18:28 EDT 2018

Hi, Edu: 

Yes, I have tried it just now and it does not work as well. I know the variables are there as indicated by the header file. So I was wondering why calling it by 'sdfopen' does not work. 

Joseph 

----- Original Message -----

From: "Eduardo Agosta Scarel" <eduardo.agosta at gmail.com> 
To: "GrADS Users Forum" <gradsusr at gradsusr.org> 
Sent: Thursday, August 2, 2018 10:44:33 PM 
Subject: Re: [gradsusr] GrADS is displaying only 1 variable 

Variables within one file are hiddenly ordered from 1 to the last variable, so to display them you must add the index. 
In your case you should do: 
'd u' (or 'd u.1', the first variable does not need to be indexed for recognition) 
'd v.2' 
'd t.3' 

Have you tried like this? 

Edu. 

El jue., 2 de ago. de 2018 a la(s) 13:16, Joseph Basconcillo ( jbasconcillo at pagasa.dost.gov.ph ) escribió: 

Hi, 

Below is my header file for the file, " gdaps_anal_768_2018050100.nc ". 

I opened them successfully in other platforms including all variables (e.g. u, v, theta, temp) but in GrADS only u is being shown. The other variables are being left out. 

netcdf file:/G:/ gdaps_anal_768_2018050100.nc { 
dimensions: 
longitude = 1536; 
latitude = 1152; 
hybrid_ht = 1; 
t = UNLIMITED; // (1 currently) 
longitude_1 = 1536; 
latitude_1 = 1153; 
hybrid_ht_1 = 1; 
surface = 1; 
variables: 
float u(t=1, hybrid_ht=1, latitude=1152, longitude=1536); 
:source = "Unified Model Output (Vn10.2):"; 
:name = "u"; 
:title = "Westerly component of wind u"; 
:date = "01/05/18"; 
:time = "00:00"; 
:long_name = "Westerly component of wind u"; 
:units = "m s-1"; 
:missing_value = 2.0E20f; // float 
:_FillValue = 2.0E20f; // float 
:valid_min = -24.836214f; // float 
:valid_max = 21.292374f; // float 

float v(t=1, hybrid_ht=1, latitude_1=1153, longitude_1=1536); 
:source = "Unified Model Output (Vn10.2):"; 
:name = "v"; 
:title = "Southerly component of wind v"; 
:date = "01/05/18"; 
:time = "00:00"; 
:long_name = "Southerly component of wind v"; 
:units = "m s-1"; 
:missing_value = 2.0E20f; // float 
:_FillValue = 2.0E20f; // float 
:valid_min = -19.5578f; // float 
:valid_max = 26.530746f; // float 

float theta(t=1, hybrid_ht_1=1, latitude=1152, longitude_1=1536); 
:source = "Unified Model Output (Vn10.2):"; 
:name = "theta"; 
:title = "Potential temperature"; 
:date = "01/05/18"; 
:time = "00:00"; 
:long_name = "Potential temperature"; 
:units = "K"; 
:missing_value = 2.0E20f; // float 
:_FillValue = 2.0E20f; // float 
:valid_min = 227.68872f; // float 
:valid_max = 328.4967f; // float 

float temp(t=1, surface=1, latitude=1152, longitude_1=1536); 
:source = "Unified Model Output (Vn10.2):"; 
:name = "temp"; 
:title = "Temperature T"; 
:date = "01/05/18"; 
:time = "00:00"; 
:long_name = "Temperature T"; 
:units = "K"; 
:missing_value = 2.0E20f; // float 
:_FillValue = 2.0E20f; // float 
:valid_min = 191.576f; // float 
:valid_max = 329.6931f; // float 

float longitude(longitude=1536); 
:units = "degrees_east"; 
:point_spacing = "even"; 
:modulo = " "; 
:_CoordinateAxisType = "Lon"; 

float latitude(latitude=1152); 
:units = "degrees_north"; 
:point_spacing = "even"; 
:_CoordinateAxisType = "Lat"; 

float hybrid_ht(hybrid_ht=1); 
:units = "level"; 
:positive = "up"; 
:_CoordinateAxisType = "GeoZ"; 
:_CoordinateZisPositive = "up"; 

float t(t=1); 
:units = "days since 2018-05-01 00:00:00"; 
:time_origin = "01-MAY-2018:00:00:00"; 
:_CoordinateAxisType = "Time"; 

float longitude_1(longitude_1=1536); 
:units = "degrees_east"; 
:point_spacing = "even"; 
:modulo = " "; 
:_CoordinateAxisType = "Lon"; 

float latitude_1(latitude_1=1153); 
:units = "degrees_north"; 
:point_spacing = "even"; 
:_CoordinateAxisType = "Lat"; 

float hybrid_ht_1(hybrid_ht_1=1); 
:units = "level"; 
:positive = "up"; 
:_CoordinateAxisType = "GeoZ"; 
:_CoordinateZisPositive = "up"; 

float surface(surface=1); 
:units = "level"; 
:positive = "up"; 
:_CoordinateAxisType = "GeoZ"; 
:_CoordinateZisPositive = "up"; 

// global attributes: 
:history = "Wed Jul 4 06:45:35 UTC 2018 - CONVSH V1.91 16-February-2006"; 
:_CoordSysBuilder = "ucar.nc2.dataset.conv.DefaultConvention"; 
} 

The descriptor file I used is the following: 

dset ^ gdaps_anal_768_2018050100.nc 
dtype netcdf 
undef 2.0E20f_missing_value 
xdef 1536 linear 0 360 
ydef 1152 linear -90 90 
tdef 1 linear 00Z01MAY2018 1 
edef 1 linear 1 1 
vars 3 
u 1 t,z,y,x Westerly component of wind u 
v 1 t,z,y,x Easterly component of wind v 
t 1 t,z,y,x Temperature T 
endvars 

The error says gadxdf error: Missing or invalid dimension size. I am guessing the error is the xdef and ydef. Can you help me on this? 

Thanks. 

Yours, 
Joseph Basconcillo 
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-- 
Eduardo Agosta Scarel 

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"La ONG Carmelita es una manera de promover la justicia, la paz y el cuidado de la creación" 
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