NF_INQ_VAR_DEFLATE
The function NF_INQ_VAR_DEFLATE returns the deflate settings for a variable in a netCDF-4 file.
It is not necessary to know the deflate settings to read the variable. (Deflate is completely transparent to readers of the data).
NF_INQ_VAR_DEFLATE(INTEGER NCID, INTEGER VARID, INTEGER SHUFFLE, INTEGER DEFLATE, INTEGER DEFLATE_LEVEL);
NCID
VARID
SHUFFLE
DEFLATE
DEFLATE_LEVEL
NF_INQ_VAR_DEFLATE returns the value NF_NOERR if no errors occurred. Otherwise, the returned status indicates an error.
Possible return codes include:
NF_NOERR
NF_BADID
NF_ENOTNC4
NF_ENOTVAR
In this example code from nf_test/ftst_vars.F, a file with a variable using deflate is opened, and the deflate level checked.
C Is everything set that is supposed to be? retval = nf_inq_var_deflate(ncid, varid, shuffle, deflate, + deflate_level) if (retval .ne. nf_noerr) call handle_err(retval) if (shuffle .ne. 0 .or. deflate .ne. 1 .or. + deflate_level .ne. 4) stop 2