NEWS

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RNetCDF 2.9-2 (2024-03-24)

• Use pkg-config on Windows to fix linking with upcoming Rtools version

RNetCDF 2.9-1 (2024-01-09)

• Fix support for parallel I/O with MPICH (and related MPI variants)
• Fix error handlers to remove potentially insecure format strings

RNetCDF 2.8-1 (2023-10-23)

• Fix builds on platforms where share directory is not under $R_HOME
• Fix UBSAN warning when converting empty NC_CHAR to R string
• Fix type conversions with oneAPI compiler

RNetCDF 2.7-1 (2023-10-09)

• Fix crash when calling nc_free_vlen on vlen with zero-length
• Support packing and unpacking of vlen
• Support fill value conversions in non-numeric data types: NC_CHAR, NC_STRING, enum, compound, and vlen
• Improve support for NetCDF parallel I/O in configure script: - Specify MPI compiler via argument --with-mpicc - Enable MPI tests in R CMD check via argument --with-mpiexec - Give warnings if MPI and/or NetCDF parallel I/O not detected
• Add configure option --with-nc-config-static to allow selection of static libraries from nc-config
• Build Windows package with NetCDF library from RTools4x - Adapt to newer RTools by using configure script on Windows
• Add examples using hierarchical groups to help for grp.inq.nc

RNetCDF 2.6-2 (2023-01-17)

• Fix compiler warnings reported by R-devel

RNetCDF 2.6-1 (2022-06-27)

• Windows: update binary packages to netcdf 4.9.0 with OpenDAP

RNetCDF 2.5-2 (2021-08-20)

• Support hdf5 filters via multi-filter interface (netcdf>=4.8.0)
• Windows: update binary packages to netcdf 4.7.4 with OpenDAP
• Generate type conversions with m4 macros
• Reduce CPU time for utcal.nc example to pass CRAN checks

RNetCDF 2.4-2 (2020-09-12)

• Support reading/writing special values (e.g. NA, Inf) without substitution, mainly in cases where type conversion between R and NetCDF is not required.
• Fix selection of na.mode values 0,1,2
• Fix range checks for numeric conversions with packing
• Significantly increase test coverage of type conversion routines
• Support parallel NetCDF when running with MPI
• Allow creation of datasets in "data64" (CDF5) format
• Support diskless files and in-memory manipulation of persistent files

RNetCDF 2.3-1 (2020-05-04)

• Fix problem when defining scalar variables with netcdf-4.7.4

RNetCDF 2.1-1 (2019-10-20)

• Remove automatic handling of fill values in user-defined types
• Link rwinlib libraries by pathname to fix r-hub Windows builds
• Correct quoting of external software names in DESCRIPTION

RNetCDF 2.0-4

• Fix OSX packages by linking expat library

RNetCDF 2.0-3 (2019-10-08)

• Support NetCDF-4 features for reading and writing of datasets.
• Suggest bit64 package for NC_INT64 and NC_UINT64 types.
• Drop support for netcdf-3.x library, require netcdf-4.x.
• Drop support for udunits-1 library.
• Disable calendar functions if udunits-2.x is not found during build.

RNetCDF 1.9-1 (2017-10-08)

• Allow multiple NA values in count argument of var.get.nc/var.put.nc, so that corresponding dimensions are read/written to their defined length.
• Fix support for OPeNDAP (if enabled by the netcdf library)
• Build Windows packages with netcdf4 library - Enable OPeNDAP in Win64 - Disable OPeNDAP in Win32, because it causes RNetCDF to crash - Thanks to Jeroen Ooms for giving us https://github.com/rwinlib/netcdf!
• Register C routines for efficient access by R

RNetCDF 1.8-2 (2016-02-21)

• Add support for POSIXct timestamps to utcal.nc and utinvcal.nc.
• Use nc-config by default in configure to find netcdf build settings.
• Allow customisation of configure by variables CPPFLAGS, LDFLAGS and LIBS, and remove the following options: --with-netcdf-include, --with-netcdf-lib, --with-hdf5-lib, --with-udunits-include, --with-udunits-lib.

RNetCDF 1.7-3 (2015-05-11)

• Support reading/writing NC_CHAR as vectors of raw bytes
• Avoid intermediate copies of array data when possible
• Fix memory errors reported by valgrind for udunits2 calendar functions.
• Support compilation with udunits.h inside a udunits2 sub-directory.
• Add udunits data files to source package to ensure they can be found when building binary packages for Windows and Mac.

RNetCDF 1.6.3-1 (2014-08-31)

• Allow reading of character vector or scalar

RNetCDF 1.6.2-3 (2014-06-16)

• Added HDF5 licence file for distribution

RNetCDF 1.6.2-2 (2014-05-26)

• Corrected potential memory leak in read/write of character arrays

RNetCDF 1.6.1-2 (2012-07-19)

• Added function read.nc
• Added packing/unpacking of data

RNetCDF 1.5.3-1 (2012-02-15)

• Optionally copy udunits data files during installation of RNetCDF.
• When loading RNetCDF in R, initialise udunits with copied data files.

RNetCDF 1.5.2-2 (2011-01-06)

• configure adds tests for extra libraries used by netcdf4 on some systems.
• Avoid repeated zeroing of character arrays in C interface.

RNetCDF 1.5.0-1 (2011-01-02)

• Add new modes (large, prefill, share) to nc_open and nc_create.
• Avoid unnecessary switching of define and data modes in C library to prevent unwanted data movement within a file.
• configure script accepts optional path for hdf5 (for netcdf4 library).
• Added basic functional tests of package.

RNetCDF 1.2-1.1 (2010-05-17)

• Add build scripts for Windows.

RNetCDF 1.2-1 (2006-07-26)

• utcal.nc and utinvcal.nc optionally handle dates in string form.
• configure script accepts optional paths for netcdf and udunits.

RNetCDF 1.1-3 (2005-03-20)

• Minor bugfix for detection of udunits headers in configure script.

RNetCDF 1.1-2 (2005-01-04)

• Return proper error status in C functions R_nc_sync and R_nc_get_vara_text.

RNetCDF 1.1-1 (2004-09-19)

• Add option to collapse singleton dimensions when reading arrays.
• Allow reading of arrays without conversion of missing values.

RNetCDF 1.0-4 (2004-09-12)

• Search extra directories during configure.

RNetCDF 1.0-3 (2004-08-01)

• First release based on netcdf package by Thomas Lumley and ncdf package by David Pierce.