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NCEP codes for decoding and encoding data in GRIB2 format
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Note: These codes are provided as is for the use of NCEP data users. NCEP does not and can not provide any support for them.


g2lib-1.4.0.tar Library contains GRIB2 encoder/decoder and search/indexing routines (Fortran90)
Last updated: 07/17/2012
w3lib-2.0.2.tar Library contains GRIB1 encoder/decoder and utility routines (Fortran90)
Last updated: 07/17/2012
cnvgrib-1.4.1.tar GRIB1 <--> GRIB2 conversion utility. Requires g2lib and w3lib. (Fortran90)
Last updated: 11/18/2014
bacio-1.3.tar Library contains Fortran interface to "C" I/O routines. Useful with g2lib, and is also included in w3lib.
Last updated: 11/2/2006
jasper-1.900.1.zip JPEG2000 image compression algorithms within the GRIB2 standard.
Last updated: 05/01/2012
libpng-1.2.34.tar PNG image compression algorithms within the GRIB2 standard.
Last updated: 06/08/2009
zlib-1.2.6.tar Zlib contains compression/decompression routines used by libpng.a for PNG image compression support.
Last updated: 05/01/2012
Build_cnvgrib.pdf CNVGRIB Build Instructions
Last update: 07/17/2012
g2clib-1.4.0.tar Library contains GRIB2 encoder/decoder ("C" version)
Last updated: 07/17/2012
wgrib2 Utility tools for grib2.
You can use this utility to read and inventory GRIB2 file.

For questions related to the cnvgrib software, send mail to NCEP.NCO.GRIB@noaa.gov.


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Last Modified:Tuesday, 18-Nov-2014 19:07:36 UTC