cnvgrib-1.0 - August 2003 - Original version
cnvgrib-1.0.1 - October 2003 - Corrected error converting level info for
"depth below land surface" from GRIB1 to GRIB2.
- Removed statement that set GRIB1 local table
version to "2".
cnvgrib-1.0.2 - May 2004 - Changed Master Table Version Number from 1 to the
current "operational" value of 2, when converting
from GRIB1 to GRIB2.
- Added support for Gaussian grids.
- Few minor bug fixes relating to:
1) ensemble params 191 and 192 (grib1 table ver 2)
2) negative pv surface values
3) radius of earth
4) # of missing values in PDS/PDT
cnvgrib-1.1.0 - January 2005 - WMO approved the JPEG2000 and PNG Data
Representation Templates ( 5.40000 and 5.40010,
respectively ) for operational use. The
templates were assigned WMO values of 5.40 and
5.41, respectively. Changes were made to the
source and to acceptable program options to
recognize either template number.
- Added new option "-m" to support encoding of
"Missing" data values within the data field when
using Data Representation Templates 5.2
(option -p2) and 5.3 (options -p31 and -p32 ).
Missing value management is an alternative to
encoding a bitmap when using DRTs 5.2 and 5.3.
- Fixed bug passing null pointers to routines
expecting a valid target. Thanks to Jaakko
Hyvatti and Portland Group.
- Added fix for bug that caused seg faults on some
systems when generating GRIB1 messages. Thanks
to Robert Shectman for this one.
cnvgrib-1.1.1 - April 2005 - Corrected the scaling factor used when converting
potential vorticity surface values.
cnvgrib-1.1.2 - January 2006
- Added a new option "-nv" to cause vector quantities
to be stored in individual GRIB messages versus
being bundled together which is the default.
cnvgrib-1.1.4 - May 2007
- Added a new Grid Definition Template number 204
- Corrected the sale factor for probabilities
- Added more parameters
- Added the Time Range indicator 51
cnvgrib-1.1.5 - Dec 2007
- Added new local parameters conversion entries
- Declared the variable rmin,rmax in routine (jpcpack.f
and pngpack.f) with double precision to fix for bug
that caused seg fault on NAM tile files
- Added a check for the length of KPDS to determine
the grib is ensemble.
- Added new level (Nominal top of the Atmosphere
cnvgrib-1.1.6 - Jan 2008
- Added new local parameters conversion entries
- Added new grid id 195 and 196
- Fixed the V-GRD By setting the LPDS(22)=-1
cnvgrib-1.1.7 - May 2008
- Add missing management value option 0 : No explicit
missing values included within data values
Note: Valid only with complex packing:
1. Complex packing
2. Complex packing and spatial differencing
cnvgrib-1.1.8 - Aug 2008
- Added new local parameters conversion entries
and table 131
- Added a new Grid Definition Template number
3.32768 (Added Rotate Lat/Lon E-grid)
cnvgrib-1.1.9 - June 2009 - Update Jasper version 1.900.1, libpng-1.2.35 and zlib-1.2.3
- Allow negative scale factors and limits for Templates 4.5 and 4.9
- Fixed bug causing seg fault when using PNG 1.2.35
- Added new local parameters conversion entries
- Added level 126 (Isobaric Levea) in Pascal
cnvgrib-1.2.0 - Mar 2010 - Fixed bug for checking (LUGB) unit index file
- Modified to increase length of seek (512)
- Added Templates (Satellite Product) 4.31
- Added Templates (ICAO WAFS Product) 4.15
- Added new local parameters conversion entries
- Added Time Range Indicator Average (7)
cnvgrib-1.2.1 - Aug 2010 - Added new local parameters conversion entries
- Added Templates 4.40,4.41,4.42,4.43
- Added a new Grid Definition Template number
3.32769 (Added Rotate Lat/Lon None E-grid)
- Added Type of Ensemble forecast 4 and 192
- Corrected parameters U/V Max Wind level to use PDT 4.0
for WAFS product
cnvgrib-1.2.2 - Mar 2011 - Added new local parameters conversion entries
- Added an option "masterable_ver_x to change
Master Table Version when converts from GRIB1 to GRIB2.
- Added new option -mastertable_ver_x to allow
user to change the grib master table version from 2 to 6
- Added level/layer values from 235 to 239
cnvgrib-1.2.3 - Jul 2011 - Added new local parameters conversion entries
- Changed variable kprob(1) to kpds(5) in calling
- routine param_g1_to_g2
cnvgrib-1.5.0 - Aug 2013 - Added new parameters conversion entries
- Fixed bug to allow to use same unit file number for index file
- Added new Grid Definition Template 3.4, 3.5, 3.12,3.140
- Added new Product Definition Template 4.33, 4.34, 4.53, 4.54
cnvgrib-3.0.0 - OCT 2016 - Added new parameters in conversion entries
- Restore original getidx.f from version 1.2.3 and
- Modified GETIDEX to allow to open range of unit file number up to 9999
- Added new Product Definition Template numbers: 4.60, 4.61
- Fixed memory leak
- Fixed complex endcoding - single-value fields or almost-single-value (ie:1.000-1.001)
will lead to crash or invalid data when using complex encoding.
- Fixed the use of alog(real(value)+1)/alog(2) in encoding is leading to precision issues.
Replaced this with an integer implementation that is completely accurate.
- Code assumes masked fields have at least one point turned on. If all points are masked out,
the code will crash or produce a bad grib record once in a while. These fixes are for simple
coding and complex coding.
cnvgrib-3.1.0 - JAN 2017 - Re-compiled with G2LIB version 3.1.0
cnvgrib-3.1.1 - July 2018 - Checked Time Range for continuous accumulated APCP
after F252 when convert from grib2 to grib1
cnvgrib-3.2.0 - Sept 2020 - Added new parameters in conversion entries
- Re-compiled with G2LIB version 3.2.0