The HDFView 3.3.2 release is now available from the HDFView 3.3.2 download page. This release was built and tested with HDF 4.3.0, HDF5 1.14.4, and OpenJDK 21. It uses modules, the newest jpackage for distribution, and adds support for float16 datatypes. This is a maintenance release with a few major enhancements. User option added for […]
The HDF5 Library and Tools 1.14.3 release is now available from the Download HDF5 page.
The HDFView 3.3.1 release is now available from the HDFView 3.3.1 download page. This release was built and tested with HDF 4.2.16 and HDF5 1.14.2.
Registration is now open for the 2023 HDF5 User Group (HUG) Meeting being held August 16-18, 2023 at Scott Laboratory on The Ohio State University campus.
This poster from Aleksandar Jelenak and Dana Robinson of The HDF Group runs through several strategies to optimize HDF5 and netCDF-4 files for the cloud, including consolidating internal metadata, setting a large chunk size, and avoiding or minimizing the use of variable length datatypes. Several code examples for each situation are included. You’re going to
While developing HDF5 1.13.3, a bug was discovered in OpenMPI’s default I/O layer, affecting OpenMPI versions 4.1.0-4.1.4. It will be fixed in future releases. This bug can cause incorrect results from MPI I/O requests, unless one of the following parameters is passed to mpirun…
Question and answers from the HDF5 C++ Webinar on January 24th, 2019. Read the followup questions and answers from presentations on H5CPP from Steven Varga, h5cpp Wrapper from Martin Shetty and Eugen Wintersberger and Ntuple: Tabular Data in HDF5 with C++ from Chris Green and Marc Paterno.
NeXpy is a GUI application designed to to facilitate creating, reading, visualizing, and manipulating data stored in HDF5 files. Although it was primarily designed to handle neutron and x-ray scattering stored using the NeXus format, most of its functionality is applicable to other types of scientific data stored in HDF5 files or even imported in a variety of formats. Join us for a webinar on Wednesday, Nov 16, 2022 09:00 AM Central Time (US and Canada).
Tablite is an open source project which can be used for incremental data processing. Tablite uses HDF5 as a backend with strong abstraction, so that copy/append/repetition of data is handled in pages (this allows us to slice 9,000,000,000 rows in less than a second on localhost.
