[gradsusr] Xdfopen radar netcdf doesn't show contours

[Michael Bala]

Hi all,

I'm trying to plot radar data using this descriptor file:

dset ^TAG-20180405-051004-CAPPI-ZH.nc
title TAGAYTAY CAPPI
xdef range 1920 linear 118.8430168 0.00227
ydef range 1920 linear 11.9629298 0.00227
tdef time 360 linear 05Z04apr2018 1mn


When I try to display dbzh it prints out "Contouring: 15.6 to 17.4 interval
0.2" but nothing shows on the map. So I'm thinking it must be outside of
the lat lon that I defined. But I'm pretty sure my math's right.

Here's the ncdump of the netcdf file:

netcdf TAG-20180401-000004-CAPPI-ZH {
dimensions:
        time = 360 ;
        range = 1920 ;
        sweep = 1 ;
        string_length_sm = 10 ;
        string_length_md = 25 ;
variables:
        byte DBZH(time, range) ;
                DBZH:standard_name = "equivalent_reflectivity_factor_h" ;
                DBZH:units = "dBZ" ;
                DBZH:_FillValue = 0b ;
                DBZH:valid_min = 1b ;
                DBZH:valid_max = -1b ;
                DBZH:scale_factor = 0.5f ;
                DBZH:add_offset = -32.f ;
                DBZH:coordinates = "elevation azimuth range" ;

// global attributes:
                :Conventions = "Cf/Radial" ;
                :title = "CAPPI" ;
                :institution = "EEC" ;
                :references = "EEC" ;
                :source = "EDGE" ;
                :history = "original" ;
                :comment = "CAPPI" ;
                :instrument_name = "TAG" ;
                :site_name = "TAG" ;
                :gates_vary = "false" ;
}

latitude = 14.1421298980713 ;
longitude = 121.022216796875 ;
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