If you are not using GRIB files, you can ignore this.
We are experimenting with different ways to create stable GRIB names. I
will send out some samples for your feedback asap. Meanwhile, you should
refrain from doing too much work in switching to the names that are
currently generated in CDM version 4.3.8, in case they change.
Sorry for the inconvenience,
On 2/9/2012 1:19 PM, John Caron wrote:
Announcing Netcdf-Java / CDM version 4.3.8 BETA
We are feature complete on this version, but there are some major
changes that need your help in testing.
In particular, version 4.3 is a complete rewrite of GRIB1 and GRIB2
file handling. Version 4.2 GRIB handling is wrong in a number of ways,
especially table handling for non NCEP files, and time interval
coordinate handling. If you are using CDM or TDS to read GRIB files,
you want to upgrade as soon as possible. If you are running a nuclear
power plant with GRIB files, please immediately do an emergency
shutdown and remain offline until you can inspect.
If you are depending on the CDM/TDS to read GRIB files, you must
upgrade to 4.3 AND closely examine the output of any files that you
really care about. Check parameter names and everything else against
the original documentation if possible, especially if there is any
local parameter use. Please send us any files you suspect might be
incorrectly read by the CDM library. Note that we will not backport
fixes to version 4.2. Note that the variable names in 4.3 will be
different from those in 4.2.
Evolving documentation for GRIB is
In addition to GRIB files, version 4.3 also:
1. handles the CF calendar attribute
2. allows a new syntax for calendar dates
3. implements the official version of the CF 1.6 Discrete Sampling
4. supports client side certificates in OPeNDAP
5. has functioning maven builds, with refactored modules
6. has complete source at https://github.com/Unidata/thredds
If you need any of this, please test and give feedback now, while
there is time to make changes. TDS version 4.3 (beta) will also be
available shortly, but its much easier to test things with CDM and
ToolsUI than in the TDS.
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