[gradsusr] [EXTERNAL] Re: gradsusr Digest, Vol 115, Issue 23

Mon Sep 30 09:17:32 EDT 2019

Wesley may be able to chime in about what’s in his wgrib2 tarball. You can examine the makefiles in the subdirectories under your /usr/bin/grib2/wgrib2 directory to see how the your grib2 libraries was built.

In the meanwhile, this doc page http://cola.gmu.edu/grads/gadoc/supplibs2.html has some instructions for how I build png, jpeg, jasper, and grib2 libraries.
The src code for these libraries is at ftp://cola.gmu.edu/grads/Supplibs/2.2/src

--Jennifer

--
Jennifer Miletta Adams
ADNET Systems, Inc.
NASA/GSFC, Code 610.2
Building 32, Room S159
(301) 614-6070

From: gradsusr <gradsusr-bounces at gradsusr.org> on behalf of Subhajit Ghosh <subhajitghosh08 at gmail.com>
Reply-To: GrADS Users Forum <gradsusr at gradsusr.org>
Date: Monday, September 30, 2019 at 7:09 AM
To: "gradsusr at gradsusr.org" <gradsusr at gradsusr.org>
Subject: [EXTERNAL] Re: [gradsusr] gradsusr Digest, Vol 115, Issue 23

hi  Jennifer
can please explain a bit more. How I can rebuild grib2 library and linked with a build of jasper. the process I followed is very simple and follows

tar -zxvf wgrib2.gz
sudo mv grib2 /usr/bin/
export CC=gcc
export FC=gfortran
 make
sudo ln -s /usr/bin/grib2/wgrib2/wgrib2  /usr/bin

what should I add more with it?
I can do all the other things except displaying in to map format.

Thanks & Regards
Subhajit

On Sat, Sep 28, 2019 at 9:32 PM <gradsusr-request at gradsusr.org<mailto:gradsusr-request at gradsusr.org>> wrote:
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Today's Topics:

   1. Re: error reading GRIB2 file (Jennifer M Adams)

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Message: 1
Date: Sat, 28 Sep 2019 15:53:28 +0000
From: Jennifer M Adams <jadams21 at gmu.edu<mailto:jadams21 at gmu.edu>>
To: GrADS Users Forum <gradsusr at gradsusr.org<mailto:gradsusr at gradsusr.org>>
Subject: Re: [gradsusr] error reading GRIB2 file
Message-ID: <4915F45D-464B-470E-90BE-651BE0C6F92C at gmu.edu<mailto:4915F45D-464B-470E-90BE-651BE0C6F92C at gmu.edu>>
Content-Type: text/plain; charset="utf-8"

Data Representation Template 5.40 is (Grid Point Data - JPEG2000 Compression) (Lossless)
My build of the grib2c library is linked with a build of jasper that supports jpeg2000, so it works for me (see attached). If rebuilding your grib2 library is not an option, I believe you can use wgrib2 to rewrite the grib2 records and change the DRT to a different compression setting. ?Jennifer

[cid:A652AD6F-0B9F-43D4-BA51-8A96602E1E08]

On Sep 27, 2019, at 10:01 AM, Subhajit Ghosh <subhajitghosh08 at gmail.com<mailto:subhajitghosh08 at gmail.com><mailto:subhajitghosh08 at gmail.com<mailto:subhajitghosh08 at gmail.com>>> wrote:

Hi everyone
I am unable to read a GRIB2 file in GrADS and its showing following error

Config: v2.2.0 little-endian readline grib2 netcdf hdf4-sds hdf5 opendap-grids,stn geotiff shapefile

ga-> open wvhgt2.ctl

Scanning description file:  wvhgt2.ctl
Data file wvhgt.grib2 is open as file 1
LON set to 0 360
LAT set to -90 90
LEV set to 1 1
Time values set: 2019:9:11:0 2019:9:11:0
E set to 1 1
ga-> q file

File 1 : wvhgt.grib2
  Descriptor: wvhgt2.ctl
  Binary: wvhgt.grib2
  Type = Gridded
  Xsize = 1440  Ysize = 721  Zsize = 1  Tsize = 24  Esize = 1
  Number of Variables = 1
     wvhgtsfc  0  10,0,5  ** surface Significant Height of Wind Waves [m]

ga-> d wvhgtsfc

g2_unpack7: Data Representation Template 5.40 not yet implemented.

g2_getfld: return from g2_unpack7 = 4
GRIB2 I/O Error: g2_getfld failed, ierr=14
Data Request Error:  Error for variable 'wvhgtsfc'
  Error ocurred at column 1
DISPLAY error:  Invalid expression
  Expression = wvhgtsfc

If anyone can suggest  what's the problem and possible solution
using wgrib2 v0.2.0.8 2/2019

files are attached herewith
thanks & Regards
Subhajit
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--
Jennifer Miletta Adams
Center for Ocean-Land-Atmosphere Studies (COLA)
George Mason University

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