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Newsletter #116
September 3, 2010
CONTENTS:
- Release of HDF5 1.8.5-patch1
- New HDF5 High Level functions for region references, hyperslabs, and bit-fields
- Pre-release snapshot of HDF-Java 2.7
- RFC for h5edit tool
- Events
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Release of HDF5 1.8.5-patch1
HDF5 1.8.5-patch1 has been released. It is a full source code release,
containing a few important changes and bug fixes, which include:
- Numerous memory issues were fixed.
- A bug was fixed that could cause file corruption when using non-default
sizes of addresses and/or lengths. This bug, introduced in HDF5 1.8.5,
could also cause uncorrupted files with this property to be unreadable.
- CMake support for parallel Fortran was added.
To Obtain HDF5 1.8.5-patch1, go directly to:
http://www.hdfgroup.org/HDF5/release/obtain5.html
This link can be reached from the HDF Downloads page:
http://www.hdfgroup.org/downloads/index.html
The release notes contain detailed information regarding HDF5 1.8.5-patch1:
http://www.hdfgroup.org/ftp/HDF5/current/src/hdf5-1.8.5-patch1-RELEASE.txt
The documentation did not change for this release:
http://www.hdfgroup.org/HDF5/doc/index.html
The HDF5 1.8.6 release will be available in October 2010, for those who prefer
to wait.
New HDF5 High Level functions for region references, hyperslabs, and bit-fields
We are pleased to announce a new set of C and Fortran convenience functions
designed to facilitate access to remote sensing data in HDF5. The data will be
gathered by a new generation of low earth orbiting satellites that monitor
environmental conditions for long-range weather and climate forecasts.
(Refer to the NPOESS project for details: http://www.hdfgroup.org/projects/npoess/)
The source code, installation instructions and a draft of the User's Guide are
available from:
http://www.hdfgroup.uiuc.edu/ftp/pub/outgoing/NPOESS/source/
The Reference Manual can be found at:
http://www.hdfgroup.org/projects/npoess/HL_NPOESS/doc/index.html
While these functions were created to facilitate access to NPOESS data, some
of them may be useful to anyone working with HDF5 region references, hyperslab
selections, or bit-fields. For a quick introduction to region references and
hyperslab selections see the HDF5 Tutorial:
http://www.hdfgroup.org/HDF5/Tutor/advanced.html
We are looking forward to receiving your comments on this new set of
routines.
Pre-release snapshot of HDF-Java 2.7
A pre-release snapshot of HDF-Java 2.7 is available for download from:
http://www.hdfgroup.org/ftp/HDF5/hdf-java-2.7-snapshot/snapshot2/
This version of HDFView includes a new feature to display bit-field data
packed into an integer (a.k.a. NPOESS quality flags). It also includes
wrappers to support HDF5 1.8 features. For more information see:
http://www.hdfgroup.org/ftp/HDF5/hdf-java-2.7-snapshot/snapshot2/RELEASE.txt
RFC for h5edit tool
We are actively seeking input regarding a new tool, h5edit, that is under
development. This tool is a command-line tool for editing HDF5 files.
See the Request For Comments (RFC) page for more information:
http://www.hdfgroup.org/pubs/rfcs/
Events
September 28-30, 2010:
HDF and HDF-EOS Workshop XIV (http://www.hdfeos.org/workshops/ws14/workshop_fourteen.php)
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