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[netCDFJava #NCH-520268]: Grib2 categories missing in nc4.3

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  • Subject: [netCDFJava #NCH-520268]: Grib2 categories missing in nc4.3
  • Date: Fri, 26 Oct 2012 17:38:07 -0600
Hi Don:

ok, these have been added as:

Grib2_Parameter_Discipline
Grib2_Parameter_Category
Grib2_Parameter_Name

will be in 4.3.14

John

> 
> The IDV uses the grib2 attributes to categorize the parameters in it's
> UI.  This is particularly useful when there are many variables
> available.  These attributes are missing in nc4.3.  For example, in 4.2,
> the variable looked like:
> 
> float Temperature_surface(time=65, lat=361, lon=720);
> :units = "K";
> :long_name = "Temperature @ surface";
> :missing_value = NaNf; // float
> :GRIB_param_discipline = "Meteorological_products";
> :GRIB_param_category = "Temperature";
> :GRIB_param_name = "Temperature";
> :GRIB_generating_process_type = "Forecast";
> :GRIB_param_id = 2, 0, 0, 0; // int
> :GRIB_product_definition_template = 0; // int
> :GRIB_product_definition_template_desc = "Analysis/forecast at
> horizontal level/layer at a point in time";
> :GRIB_level_type = 1; // int
> :GRIB_level_type_name = "surface";
> :GRIB_VectorComponentFlag = "easterlyNortherlyRelative";
> 
> 
> in 4.3, it looks like:
> 
> float Temperature_surface(time=65, lat=361, lon=720);
> :long_name = "Temperature @ Ground or water surface";
> :units = "K";
> :missing_value = NaNf; // float
> :abbreviation = "TMP";
> :grid_mapping = "LatLon_Projection";
> :Grib_Variable_Id = "VAR_0-0-0_L1";
> :Grib2_Parameter = 0, 0, 0; // int
> :Grib2_Level_Type = 1; // int
> :Grib2_Generating_Process_Type = "Forecast";
> 
> In particular these attributes are missing:
> 
> :GRIB_param_discipline = "Meteorological_products";
> :GRIB_param_category = "Temperature";
> :GRIB_param_name = "Temperature";
> 
> I mentioned this to John previously and he said that he would keep those
> attributes, but I guess that got lost.
> 
> Don
> --
> Don Murray
> NOAA/ESRL/PSD and CIRES
> 303-497-3596
> http://www.esrl.noaa.gov/psd/people/don.murray/
> 
> 

Ticket Details
===================
Ticket ID: NCH-520268
Department: Support netCDF Java
Priority: Normal
Status: Closed