[ncl-talk] error reading netcdf file

[Mary Haley]

Hi Francesco,

The error message is not very useful in this case.

Normally I would say that it meant "tmask" was not on the file, but I can
see from your output that it is.

What version of NCL are you using?

ncl -V

What happens if you type this from the UNIX command line:

ncl_filedump mesh_mask.nc
​
​
ncl_filedump mesh_mask.nc
​ -v tmask

Can you provide us with the file?
​ You can use our ftp if needed:

http://www.ncl.ucar.edu/report_bug.shtml#HowToFTP

Thanks,

--Mary​


On Mon, Mar 20, 2017 at 12:35 PM, Francesco Trotta <
francesco.trotta4 at unibo.it> wrote:

> Dear ncl-team
>
>    I'm try to read the variable 'tmask' from the netcdf file mesh_mask.nc
> (see below)
>
>    but I got this error:
>
>
> fatal:["NclNetCDF4.c":3759]:NclNetCDF4: Error reading variable (tmask)
> from file (/scratch/surf/experiments/fiordoSermilik_debian_test03/
> data/data00/regriddata/meshmask/mesh_mask.nc)
>
>
> What does it means?
>
>
> thanks
>
> Francesco
>
>
> netcdf mesh_mask {
> dimensions:
>     x = 256 ;
>     y = 121 ;
>     z = 98 ;
>     t = UNLIMITED ; // (1 currently)
> variables:
>     float nav_lon(y, x) ;
>     float nav_lat(y, x) ;
>     float nav_lev(z) ;
>     double time_counter(t) ;
>     byte tmask(t, z, y, x) ;
>     byte umask(t, z, y, x) ;
>     byte vmask(t, z, y, x) ;
>     byte fmask(t, z, y, x) ;
>     byte tmaskutil(t, y, x) ;
>     byte umaskutil(t, y, x) ;
>     byte vmaskutil(t, y, x) ;
>     byte fmaskutil(t, y, x) ;
>     float glamt(t, y, x) ;
>     float glamu(t, y, x) ;
>     float glamv(t, y, x) ;
>     float glamf(t, y, x) ;
>     float gphit(t, y, x) ;
>     float gphiu(t, y, x) ;
>     float gphiv(t, y, x) ;
>     float gphif(t, y, x) ;
>     double e1t(t, y, x) ;
>     double e1u(t, y, x) ;
>     double e1v(t, y, x) ;
>     double e1f(t, y, x) ;
>     double e2t(t, y, x) ;
>     double e2u(t, y, x) ;
>     double e2v(t, y, x) ;
>     double e2f(t, y, x) ;
>     double ff(t, y, x) ;
>     short mbathy(t, y, x) ;
>     short misf(t, y, x) ;
>     float isfdraft(t, y, x) ;
>     double e3t_0(t, z, y, x) ;
>     double e3u_0(t, z, y, x) ;
>     double e3v_0(t, z, y, x) ;
>     double e3w_0(t, z, y, x) ;
>     float gdept_0(t, z, y, x) ;
>     float gdepu(t, z, y, x) ;
>     float gdepv(t, z, y, x) ;
>     float gdepw_0(t, z, y, x) ;
>     double gdept_1d(t, z) ;
>     double gdepw_1d(t, z) ;
>     double e3t_1d(t, z) ;
>     double e3w_1d(t, z) ;
>
> // global attributes:
>         :DOMAIN_number_total = 1 ;
>         :DOMAIN_number = 0 ;
>         :DOMAIN_dimensions_ids = 1, 2 ;
>         :DOMAIN_size_global = 256, 121 ;
>         :DOMAIN_size_local = 256, 121 ;
>         :DOMAIN_position_first = 1, 1 ;
>         :DOMAIN_position_last = 256, 121 ;
>         :DOMAIN_halo_size_start = 0, 0 ;
>         :DOMAIN_halo_size_end = 0, 0 ;
>         :DOMAIN_type = "BOX" ;
> }
>
>
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