Version 4.6.2 of the netCDF-C library is now available. Changes include (but are not limited to):
- Lazy attribute read — only read attributes when user requests one of them.
- Fast global attribute read — when global attributess are read, they are read much more quickly.
- Add
nccopycommand options for per-variable chunk sizing, and minimum chunk size. - Fix
nccopyhandling of user specified chunk sizes. - Avoid limit on number of times a netCDF4 attribute can be updated. Not a complete fix for the HDF5 “maximum creation order” problem, but should greatly reduce occurrences in many real-world cases.
- The use of
NC_DISKLESShas been modified to make it cleaner. This adds a new flag calledNC_PERSISTthat takes over the now obsoleteNC_MPIPOSIX. - When using filters with HDF5 1.10.x or later, it is necessary to utilize the HDF5
replacements for
malloc,realloc, andfreein the filter code. - Create a new version of
_NCPropertiesprovenance attribute. This version (version 2) supports arbitrary key-value pairs. It is the default when new files are created. Version 1 continues to be accepted. - Allow user to set http read buffersize for DAP2 and DAP4 using the tag
HTTP.READ.BUFFERSIZEin the.daprcfile. - Allow user to set http keepalive for DAP2 and DAP4 using the tag
HTTP.KEEPALIVEin the.daprcfile (see the OPeNDAP documentation for details). - Support DAP4 remote tests using a new remote test server locatedon the Unidata JetStream project.
- Improved the performance of the
nc_get/put_varsoperations by using the equivalent slab capabilities of hdf5. Result is a significant speedup of these operations. - Expanded the capabilities of
NC_INMEMORYto support writing and accessing the final modified memory. - Made CDF5 support enabled by default.
- Corrected a number of memory issues identified in
ncgen.
Detailed information about the release is available in the Release Notes.
Complete information about using this release can be found in the NetCDF Documentation.
Source-code zip and tar.gz archives can be found on Unidata's NetCDF-C GitHub site.
Pre-built Windows binaries for use with Visual Studio) are available from this page.
Users of the netCDF FORTRAN and C++ Libraries Note
Updated FORTRAN and C++libraries will be available shortly.
Unidata is very greate.
Posted by Farhad on November 22, 2018 at 06:38 PM MST #
Hi
Posted by Han-Lun on November 28, 2018 at 01:41 PM MST #
Hi
Posted by WangQiulin on December 07, 2018 at 07:11 PM MST #
Hello
Posted by Costin on December 09, 2018 at 07:12 PM MST #
ok
Posted by juma ali mohammed on December 12, 2018 at 07:24 PM MST #
students
Posted by yangguangyi on January 03, 2019 at 06:15 PM MST #
I need NetCDF 4.6.2 for install WRF model.
Posted by Ajay Anand on January 16, 2019 at 03:11 PM MST #
I would like to use NCDUMP.
Posted by Daisuke Abe on January 17, 2019 at 09:09 PM MST #
l need Netcdf 4.6.2 for read nc file
Posted by mohamed on January 29, 2019 at 01:15 AM MST #
I want download this
Posted by Cheikh Faye on February 01, 2019 at 09:49 PM MST #
I need NetCDF 4.6.2 for install WRF model.
Posted by Tushi Yang on February 25, 2019 at 04:17 AM MST #
for nc process
Posted by Aihong CUI on March 03, 2019 at 06:09 PM MST #