core
/
eccodes
mirror of https://github.com/ecmwf/eccodes.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Documentation

This commit is contained in:
Shahram Najm 2018-05-08 14:16:30 +01:00
parent e3544040dc
commit f06331bd6c
2 changed files with 11 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
tools/grib_filter.dox
View File

@ -125,12 +125,14 @@ Otherwise, the default case is executed. The default case is mandatory if the ca
The "~" operator can be used to match "anything".\n\n
Following is an example showing the use of the switch statement:\n
\verbatim
processing paramId=[paramId] [shortName] [stepType]
print 'Processing paramId=[paramId] [shortName] [stepType]';
switch (shortName) {
case tp :
set stepType=accum;
case 10u :
set typeOfLevel=surface;
case 'tp' :
set stepType='accum';
print 'Message #[count]: Total Precipitation';
case '10u' :
set typeOfLevel='surface';
print 'Message #[count]: 10m U-Wind';
default:
}
\endverbatim\n

8
tools/grib_set.sh
View File

@ -24,12 +24,12 @@ echo "-# To set scaleFactorOfSecondFixedSurface to missing only for the fields f
>grib_set -s scaleFactorOfSecondFixedSurface=missing -w scaleFactorOfSecondFixedSurface!=missing tigge_pf_ecmwf.grib2 out.grib2
\\endverbatim\\n"
echo "-# It's possible to produce a grib edition 2 file from a grib edition 1 just changing the edition number with grib_set.
At this stage of development all the geography parameters, level and time information is correctly translated, for the product
definition extra set calls must be done. To do this properly, please use the grib_filter tool. \\n
echo "-# It is possible to produce a GRIB edition 2 file from a GRIB edition 1 by just changing the edition number with grib_set.
However it is important that you carefully inspect the output and check the information is correctly translated.
\\verbatim
grib_set -s edition=2 ../data/reduced_gaussian_pressure_level.grib1 out.grib2
\\endverbatim\\n"
\\endverbatim\\n
For more details please see: https://software.ecmwf.int/wiki/display/ECC/GRIB%3A+Converting+edition+1+to+2\\n"
echo "-# With grib edition 2 is possible to compress data using the jpeg algorithm.
To change packing algorithm from grid_simple (simple packing) to grid_jpeg (jpeg2000 packing):\\n