Unidata Developer's Blog

Showing entries tagged [netcdf-java]

[Hacktoberfest 2021] Contribute filters to the netCDF-Java Zarr project

13 October 2021

Looking for Java developers and Hacktoberfest contributors!

NetCDF-Java recently completed work on beta read support for Zarr data formats. Part of the Zarr project is the implementation of compressors and filters (codecs). Currently, netCDF-Java includes implementation of Shuffle, Deflate/Zlib, 32-bit Checksums, and FixedScaleOffset, but we're still missing some!

If you have developed or are interested in developing filters in Java, we would love to have you contribute! Learn more about how to contribute here.

Thank you for considering contributing!

Posted by Hailey Johnson

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DiskCache2 Issue in the netCDF-Java Library

18 June 2020

The netCDF-Java ucar.nc2.util.DiskCache2 class method for generating unique file names is capable of producing identical names if called in quick succession. While the circumstances under which the problem occurs are very specific (and rare), because the possibility of data corruption exists the development team strongly recommends that anyone using netCDF-Java/CDM or TDS upgrade immediately.

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Posted by Sean Arms

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THREDDS and Java 8 plans

26 May 2015

THREDDS development is now switching to version 5.0 which will require Java 8. Version 5 is a major upgrade and some of the APIs will change. Deprecated classes will be moved to a legacy jar and will not be supported. If you are a developer, you will need to test the new version against your code. We expect to have an alpha release out by July for that purpose.

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Posted by Sean Arms [ Comments [1] ]

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NetCDF poster presented at 2011 EGU meeting

17 April 2011

A few weeks ago I attended the European Geoscience Union conference in Vienna. I learned a lot and talked to dozens of scientists and programmers about netCDF - it was very fun! The poster I presented can be found on our website, and gives an overview of the new features added to netCDF in the last few years (since the 2008 netcdf-4 release).

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