NCEPLIBS-g2 4.0.0
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Functions/Subroutines
cnvgrib.F90 File Reference

Convert files between GRIB1 and GRIB2. More...

Go to the source code of this file.

Functions/Subroutines

program cnvgrib
 This program converts every GRIB field in a file between GRIB1 and GRIB2.
 
subroutine usage (iopt)
 This routine prints a brief description of the command line options.
 

Detailed Description

Convert files between GRIB1 and GRIB2.

Author
Stephen Gilbert
Date
2003-06-06

Definition in file cnvgrib.F90.

Function/Subroutine Documentation

◆ cnvgrib()

program cnvgrib

This program converts every GRIB field in a file between GRIB1 and GRIB2.

The following conversions are supported:

  1. GRIB1 to GRIB2
  2. GRIB2 to GRIB1
  3. GRIB2 to GRIB2.

Program History Log

Date Programmer Comments
2003-06-06 Gilbert Initial
2008-05-14 Vuong Added the option -m0 (No explicit missing values included within the datavalues, modified the options and help messages
2010-12-02 Vuong Changed Master Table Version Number from 2 to 6. Add option -mastertable_ver_x where x is mater table version 2 to 10
2012-03-29 Vuong Changed Master Table Version Number from 2 to 8.
2013-07-24 Vuong Changed Master Table Version Number from 2 to 11
2016-09-30 Vuong Modified to correct forecast hour beyon F252 when convert from grib2 to grib1. Fixed memory leak and complex packing
2018-07-26 Vuong Checked Time Range for continuous accumulated APCP after F252 when convert from grib2 to grib1
Returns
  • 0 Success.
  • 2 Problem processing command line arguments.
  • 3 Problem opening input GRIB file.
  • 4 Problem opening output GRIB file.
  • 5 Unknown conversion option.
Author
Stephen Gilbert
Date
2003-06-06

Definition at line 32 of file cnvgrib.F90.

References cnv12(), cnv21(), cnv22(), and usage().

◆ usage()

subroutine usage ( integer, intent(in)  iopt)

This routine prints a brief description of the command line options.

Parameters
[in]ioptouput option: 1 = print description of arguments, otherwise, print command usage summary.
Author
Stephen Gilbert
Date
2003-06-06

Definition at line 264 of file cnvgrib.F90.

Referenced by cnvgrib().