The NetCDF-Java/Common Data Model (CDM) library and THREDDS Data Server (TDS) version 4.6.1 were released on May 15, 2015. The development team recommends this upgrade for anyone using the CDM or TDS. The latest update can be downloaded from:
Unidata's demonstration THREDDS Data Server (TDS) at https://thredds.ucar.edu/thredds/ is currently running version 4.5 of the TDS server software. On May 18, 2015, this server will be updated to use TDS version 4.6. Read on for details on the new version and transition options.
The NetCDF-Java/Common Data Model (CDM) library version 4.5.5 was released on March 6, 2015. The development team recommends this upgrade for anyone using the CDM. (THREDDS Data Server (TDS) version 4.5.5 is also available as a beta-test release.)
Version 4.5.5 includes serveral bug fixes and improvements. Read on for details.
The NetCDF-Java/Common Data Model (CDM) library and THREDDS Data Server (TDS) version 4.5.3 were released on September 12, 2014. The development team recommends this upgrade for anyone using the CDM or TDS.
Unidata is pleased to announce that it will be maintaining a publicly-accessible code repository for the jj2000 software library. jj2000 is a JPEG 2000 encoder/decoder written in pure Java; it is used in the THREDDS Data Server (TDS) and the NetCDF-Java library to support JPEG 2000 compression in GRIB2 files.
JPEG 2000 is an image coding system that uses compression techniques based on wavelet technology. Unlike the older JPEG standard, JPEG 2000 can perform either lossless or lossy compression of data.
The NetCDF-Java/Common Data Model (CDM) library and THREDDS Data Server (TDS) version 4.3.22 were released on May 27, 2014. The development team recommends this upgrade for anyone using the CDM or TDS.
On Friday, March 28, 2014 the Unidata Program Center (UPC) updated the demonstration THREDDS Data Server (TDS) running on thredds.ucar.edu to version 4.5 of the TDS software. After encountering some issues with the updated version, including problems with community members' IDV bundles not loading as expected from thredds.ucar.edu, UPC staff reverted the demonstration server to version 4.3 on April 1st.
UPC staff had became aware that TDS version 4.3 running on thredds.ucar.edu was not keeping some dataset indices up to date automatically. This situation required manual intervention by UPC staff to keep the indices updated, which, coupled with changes in UPC security procedures following the intrusion on February 20, 2014, increased the urgency of releasing a new TDS version that fixed the problem. After internal testing convinced us that TDS version 4.5 was functioning properly, we followed the normal procedure of updating UPC servers (specifically thredds.ucar.edu) before releasing the package to other sites. This staged release process normally allows us to find and fix "real world" issues that are not caught by internal testing.
The NetCDF-Java/Common Data Model (CDM) library and THREDDS Data Server (TDS) version 4.3.21 were released on March 12, 2014. The development team recommends this upgrade for anyone using the CDM or TDS.
