eccodes/tests/grib_change_packing.sh

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#!/bin/sh
# --- check nothing bombs when changing packing
# --- for now limited to just a few packing schemes
. ./include.sh
#set -x
grib1=${data_dir}/reduced_latlon_surface_constant.grib1
grib2=${data_dir}/reduced_latlon_surface_constant.grib2
packing1="
grid_ieee
grid_simple
grid_simple_matrix"
packing2="
grid_ieee
grid_simple
grid_simple_matrix
grid_simple_log_preprocessing"
if [ $HAVE_JPEG -eq 1 ]; then
packing2="grid_jpeg "$packing2
fi
temp=temp.change_packing.grib
rm -f $temp
# --- test changing the packing
# arg 1 : input grib file
# arg 2-n : packing types to test
test_packing() {
grib=$1
if [ ! -f $grib ]; then
echo "Input data missing"
exit 1
fi
shift
while [ $# -gt 0 ]; do
packing=$1
${tools_dir}/grib_set -r -s packingType=$packing $grib $temp
result=`${tools_dir}/grib_get -p packingType $temp`
if [ "$result" != "$packing" ]; then
echo "Setting packing did not go right"
exit 1
fi
shift
done
rm -f $temp
}
# ECC-774
# ------------
input=${data_dir}/spherical_model_level.grib2
output=`${tools_dir}/grib_set -r -s packingType=spectral_simple $input $temp 2>&1`
# Check no error was posted i.e. output string is empty
[ -z "$output" ]
res1=`${tools_dir}/grib_get '-F%.1f' -p avg,enorm $input`
res2=`${tools_dir}/grib_get '-F%.1f' -p avg,enorm $temp`
[ "$res1" = "$res2" ]
rm -f $temp
# IEEE to Simple Packing
# -----------------------
input=${data_dir}/grid_ieee.grib
${tools_dir}/grib_set -r -s packingType=grid_simple $input $temp
grib_check_key_equals $temp packingType 'grid_simple'
stats1=`${tools_dir}/grib_get -F%.2f -p skew,kurt $input`
stats2=`${tools_dir}/grib_get -F%.2f -p skew,kurt $temp`
[ "$stats1" = "$stats2" ]
# Change grib packing test
# -------------------------
test_packing $grib1 $packing1
test_packing $grib2 $packing2
rm -f $temp