eccodes/tests/grib2to1.sh

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#!/bin/sh
# Copyright 2005-2014 ECMWF.
#
# This software is licensed under the terms of the Apache Licence Version 2.0
# which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
#
# In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
# virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
#
. ./include.sh
REDIRECT=/dev/null
files="constant_field\
reduced_gaussian_pressure_level_constant \
reduced_latlon_surface_constant \
regular_gaussian_pressure_level_constant \
regular_latlon_surface_constant \
reduced_latlon_surface \
reduced_gaussian_pressure_level \
reduced_gaussian_sub_area \
regular_gaussian_pressure_level \
regular_latlon_surface \
reduced_gaussian_model_level \
regular_gaussian_model_level \
reduced_gaussian_surface \
regular_gaussian_surface \
spherical_pressure_level \
spherical_model_level "
for f in `echo $files`
do
file=${data_dir}/$f
# First create the grib2 file
rm -f ${file}.grib2 || true
${tools_dir}grib_set -s editionNumber=2 ${file}.grib1 ${file}.grib2 2> $REDIRECT > $REDIRECT
rm -f ${file}.grib1_ || true
${tools_dir}grib_set -s editionNumber=1 ${file}.grib2 ${file}.grib1_ 2> $REDIRECT > $REDIRECT
grib1Statistics=`${tools_dir}grib_get -fp numberOfValues,numberOfPoints,max,min,average,numberOfMissing ${file}.grib1_`
grib2Statistics=`${tools_dir}grib_get -fp numberOfValues,numberOfPoints,max,min,average,numberOfMissing ${file}.grib2`
if [ "$grib1Statistics" != "$grib2Statistics" ]
then
exit 1
fi
#${tools_dir}grib_compare -A1.0e-8 -c values ${file}.grib1_ ${file}.grib2 2> /dev/null > /dev/null
rm -f ${file}.grib1_ || true
rm -f ${file}.grib2 || true
done
# GRIB-262 Conversion works without error for L137 data
# First create a grib2 file with NV () > 255 which should not be convertible to grib1
filter=temp.setpv.filt
COUNT=264
rm -f $filter || true
echo "set NV=$COUNT;" >> $filter
echo "set pv={" >> $filter
i=1
while [ $i -le $COUNT ]; do
if [ $i = $COUNT ]; then
echo " $i" >> $filter
else
echo " $i ," >> $filter
fi
i=`expr $i + 1`
done
echo "};write;" >> $filter
# Apply this filter to a grib2 file from samples.
${tools_dir}grib_filter -o temp.pv.grib2 $filter $GRIB_SAMPLES_PATH/reduced_gg_ml_grib2.tmpl
# Convert this new grib2 file to grib1. This command SHOULD FAIL
set +e
${tools_dir}grib_set -s edition=1 temp.pv.grib2 temp.bad.grib1 2>$REDIRECT
if [ $? -eq 0 ]; then
echo "ERROR: Conversion from grib2 to grib1 should have failed for large NV!" >&2
exit 1
fi
set -e
rm -f $filter temp.pv.grib2 || true