If you want to write HDF5 files directly without using the netCDF-4 library, or if you want to build a netCDF-4 compatible software layer on top of HDF5, read on.

The gritty details of what dimension scales look like at the file object level.

In which we travel to alternate universes and cavort with dolphins.

You really have to use the rich, chocolaty netCDF-4 instead of vanilla HDF5 for earth science data. Here's why.

NetCDF-Java/CDM version 4.3.8 is available as a development (beta-test) release. Makes significant improvements to the handling of GRIB files, along numerous other enhancements.

The UCAR Research Applications Laboratory (RAL) has released Nujan version 1.4.1. Nujan is a pure Java writer for HDF5 and NetCDF4 files. Nujan is 100% open source and is released under the MIT license. Nujan is intended to be useful in situations where portability and a simplified development process are more important than access to the complete HDF5 feature set.