We are pleased to announce the release of a new version of netCDF: version 4.0.1.
The source distribution for netCDF 4.0.1 is now available in compressed tar or gzipped tar form. Instructions for installation are available in the INSTALL file that accompanies the software or online.
Version 4.0.1 provides full compatibility with existing netCDF programs and data. This release adds performance enhancements, an upgraded Fortran 90 API, ncdump handling of netCDF-4 features, bug-fixes, and portability improvements.
This release also includes an experimental release of ncgen4 and the opendap client. These features are being prepared for full release in netCDF-4.1, but are optionally available for intrepid users who want to gain early access to these new features.
For more information about netCDF-4, see
To use the extended netCDF-4 data model and features, this release requires that the --enable-netcdf-4 argument be provided to configure. Without this, the netCDF classic library will be built, without the capability to read or write netCDF-4/HDF5 files. If --enable-netcdf-4 is used, the HDF5 1.8.2 release, and the zlib 1.2.3 (or later) release are required.
Build and install zlib and HDF5 (if needed), and netCDF, as described in the netCDF-4 installation instructions.
This release has been tested on a wide variety of platforms; see the netcdf-4.0.1 test page. (Unidata site registration required).
The netCDF ncgen utility does not yet handle enhanced model netCDF-4 features, like groups and compound types. (Ncgen does handle netCDF-4/HDF5 files which don't make use of the new expansion of the data model). Ncgen will be able to handle such advanced features in the netCDF-4.1 release. An experimental ncgen, called ncgen4, is available in this release. Use the --enable-ncgen4 option to configure to build the ncgen4 tool.
Questions or suggestions about this release may be sent to <email@example.com>, mentioning the platform and version of the software.