[ncl-talk] confusion with reading attributes

[M P]

Hello,

I have a file in the following format
netcdf aod_viirs_obs_2018041500_f {
dimensions:
        nvars = 1 ;
        nlocs = UNLIMITED ; // (27545 currently)
variables:
         ....
        float latitude at MetaData(nlocs) ;

with  latitude at MetaData just being a variable name

That is falsely being read as an attribute with a code

 obsfile   = addfile("./indata/aod_viirs_obs_2018041500_s.nc4","r")
 ; lons, lats, AOD
 lats  =   ndtooned(obsfile->latitude at MetaData(:))    ; Pull off lat

and warning/error

warning:["NclAdvancedFile.c":5317]:AdvancedFileReadVarAtt: (MetaData) is
not an attribute of (latitude)

How to correct it so that the variable latitude at MetaData is read properly?

Thanks,

Mark
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