Dear all,
I am new in the netCDF community, and I have made few tests on the new
data model of netCDF-4, particularly groups. I have been trying to
define dimensions at the root group level and to use these dimensions to
define coordinate variables of the same name in an other group, without
redefining these dimensions. But unfortunately, it seems to not work,
whereas it works well while using distinct names. The error that
occurred using ncgen4 to generate the binary files on the basis of the
CDL file was the following one: "ncgen: Can't define dimensional
metadata (gencdf.c:155)"
Here below is the CDL file example that have used:
netcdf test_group_3 {
dimensions:
lat = 3;
group: Coordinates {
variables:
float lat (lat)
data:
lat = 0., 10., 20.;
}
}
Replacing variable name 'lat' in group "Coordinates" by 'latitude' has
not caused any error, and the CDL file built using ncdump from the
obtained binary files is identical to the input one.
Could you please clarify if this statement "It is legal for a variable
to have the same name as a dimension" (excerpt from section 2.3.1. of
[NUG]) is still valid throughout all groups, or if it is only true
within a group in netCDF-4 new data model.
Many thanks in advance.
Regards,
Isabelle
--
Isabelle Muguet
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