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What is ecCodes

ecCodes version 2.0.0

This is the first full (Production-ready) release of ecCodes.
This means that the application has gone through a thorough internal testing process and that all known technical issues have been resolved.  It is now fully functional and ready to be released for general use.

GRIB encoding and decoding has been particularly well tested within the IFS and ecCodes replaces GRIB-API in the next operational cycle update.
BUFR encoding and decoding has been tested and work has started to replace BUFRDC with ecCodes in ECMWF operational software.

ecCodes is a package developed by ECMWF which provides an application programming interface and a set of tools for decoding and encoding messages in the following formats:

A useful set of command line tools provide quick access to the messages. C, Fortran 90 and Python interfaces provide access to the main ecCodes functionality.

ecCodes is an evolution of GRIB-API.  It is designed to provide the user with a simple set of functions to access data from several formats with a key/value approach.

For GRIB encoding and decoding, the GRIB-API functionality is provided fully in ecCodes with only minor interface and behaviour changes. Interfaces for C, Fortran 90 and Python are all maintained as in GRIB-API.  However, the GRIB-API Fortran 77 interface is no longer available.

In addition, a new set of functions with the prefix "codes_" is provided to operate on all the supported message formats. These functions have the same interface and behaviour as the "grib_" functions. 

A selection of GRIB-API tools has been included in ecCodes (ecCodes GRIB tools), while new tools are available for the BUFR (ecCodes BUFR tools) and GTS formats. The new tools have been developed to be as similar as possible to the existing GRIB-API tools maintaining, where possible, the same options and behaviour. A significant difference compared with GRIB-API tools is that bufr_dump produces output in JSON format suitable for many web based applications.

Starting from version 2.0.0, ecCodes is the primary GRIB encoding/decoding package used at ECMWF. Nevertheless GRIB-API will be maintained and new releases made publicly available to support decoding of ECMWF model output. Replacing GRIB-API with ecCodes is expected to be transparent for current GRIB-API users. In particular the "grib_" functions are included in the ecCodes library. Users are strongly advised to start the migration process.

Name clashes prevent a simultaneous use of the GRIB-API and ecCodes packages. A similar name clash is also present between the existing GRIB-API tools and the new tools provided with ecCodes. However, the behaviour of the tools is exactly the same as those provided with the current version of GRIB-API.

Report a bug or issue

Please send an email to software.support@ecmwf.int or go to Issues if you have any suggestions for improvements or have discovered a bug with this software package.

Latest News

Go to Latest news to access older news items

Releases

Normally the data needed for testing is downloaded during the "ctest" step but you can also download all the data from here:

eccodes_test_data.tar.gz

Note: Untar this into the top-level of the CMake "build" directory (not the source directory)

 

  File Modified
ZIP Archive eccodes-2.4.1-Source.tar.gz Aug 08, 2017 by Shahram Najm
ZIP Archive eccodes-2.4.0-Source.tar.gz Jun 29, 2017 by Shahram Najm
ZIP Archive eccodes-2.3.0-Source.tar.gz May 23, 2017 by Shahram Najm
ZIP Archive eccodes-2.2.0-Source.tar.gz Mar 23, 2017 by Shahram Najm
ZIP Archive eccodes-2.1.0-Source.tar.gz Jan 30, 2017 by Shahram Najm
ZIP Archive eccodes-2.0.2-Source.tar.gz Nov 22, 2016 by Shahram Najm
ZIP Archive eccodes-2.0.0-Source.tar.gz First non-beta version Oct 20, 2016 by Shahram Najm
ZIP Archive eccodes-0.16.0-Source.tar.gz Jun 28, 2016 by Shahram Najm
ZIP Archive eccodes-0.13.0-Source.tar.gz Feb 17, 2016 by Shahram Najm
ZIP Archive eccodes-0.12.0-Source.tar.gz Nov 19, 2015 by Shahram Najm
ZIP Archive eccodes-0.11.0-Source.tar.gz May 18, 2015 by Shahram Najm
ZIP Archive eccodes-0.10.0-Source.tar.gz Mar 30, 2015 by Shahram Najm

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