eccodes/tests/grib_bitmap.sh

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#!/bin/sh
# (C) Copyright 2005- 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.ctest.sh
REDIRECT=/dev/null
grib1=${data_dir}/regular_latlon_surface.grib1
grib2=${data_dir}/regular_latlon_surface.grib2
infile=${data_dir}/reduced_gaussian_model_level.grib1
outfile=${data_dir}/with_bitmap.grib1
outfile1=${data_dir}/without_bitmap.grib1
temp1=out.bmp.grib1
temp2=out.bmp.grib2
tempData1=out.bmp.grib1.data
tempData2=out.bmp.grib2.data
tempRules=bitmap.rules
tempRef=grib_bitmap.ref
tempOut=grib_bitmap.txt
rm -f $outfile
# Add a bitmap
# -------------
${tools_dir}/grib_set -s bitmapPresent=1 $infile $outfile >$REDIRECT
${tools_dir}/grib_dump $infile | grep -v FILE > $infile.dump
${tools_dir}/grib_dump $outfile | grep -v FILE > $outfile.dump
grib_check_key_equals $outfile section1Flags,section3Length '192 772'
if [ $ECCODES_ON_WINDOWS -eq 0 ]; then
# There are some minute floating point differences on Windows
# so the diff would not work there
diff $outfile.dump ${data_dir}/bitmap.diff
diff $infile.dump ${data_dir}/no_bitmap.diff
fi
${tools_dir}/grib_dump -O -p bitmap $outfile | grep -v FILE > $outfile.dump
cat > $tempRef <<EOF
963-1728 bitmap = 766 {
ff, ff, ff, ff, ff, ff, ff, ff, ff, ff, ff, ff, ff, ff, ff, ff,
ff, ff, ff, ff, ff, ff, ff, ff, ff, ff, ff, ff, ff, ff, ff, ff,
ff, ff, ff, ff, ff, ff, ff, ff, ff, ff, ff, ff, ff, ff, ff, ff,
ff, ff, ff, ff, ff, ff, ff, ff, ff, ff, ff, ff, ff, ff, ff, ff,
ff, ff, ff, ff, ff, ff, ff, ff, ff, ff, ff, ff, ff, ff, ff, ff,
ff, ff, ff, ff, ff, ff, ff, ff, ff, ff, ff, ff, ff, ff, ff, ff,
ff, ff, ff, ff
... 665 more values
} # g1bitmap bitmap
EOF
diff $tempRef $outfile.dump
rm -f $infile.dump $outfile.dump $tempRef
# Remove the bitmap
# -----------------
${tools_dir}/grib_set -s bitmapPresent=0 $outfile $outfile1 >$REDIRECT
${tools_dir}/grib_dump $outfile1 | grep -v FILE > $outfile1.dump
${tools_dir}/grib_dump $outfile | grep -v FILE > $outfile.dump
if [ $ECCODES_ON_WINDOWS -eq 0 ]; then
diff $outfile1.dump ${data_dir}/no_bitmap.diff
fi
rm -f $outfile1 $outfile1.dump $outfile $outfile.dump
cat > $tempRules<<EOF
set bitmapPresent=1;
set missingValue=1111;
set Ni=6;
set Nj=2;
set values={1,2,3,4,5,6,7,1111,1111,8,9,10};
write ;
EOF
${tools_dir}/grib_filter -o $temp1 $tempRules $grib1
${tools_dir}/grib_filter -o $temp2 $tempRules $grib2
if [ $HAVE_GEOGRAPHY -eq 1 ]; then
${tools_dir}/grib_get_data -m missing $temp1 > $tempData1
${tools_dir}/grib_get_data -m missing $temp2 > $tempData2
diff $tempData1 $tempData2
rm -f $tempData1 $tempData2
fi
# ECC-1233: Allow printing of 'byte' keys e.g., bitmap, section paddings
# -----------------------------------------------------------------------
cat > $tempRules<<EOF
print " bitmap=[bitmap]";
print " padding_local1_1=[padding_local1_1]";
EOF
${tools_dir}/grib_filter $tempRules $temp1 > $tempData1
cat $tempData1
cat > $tempRef <<EOF
bitmap=fe70
padding_local1_1=00
EOF
diff $tempRef $tempData1
rm -f $tempData1 $temp1 $tempRules $tempRef
# ECC-511: grid_complex_spatial_differencing
# To convert to simple packing, must pass in bitmapPresent=1
# ----------------------------------------------------------
infile=${data_dir}/gfs.complex.mvmu.grib2
tempSimple=temp.grib_bitmap.simple.grib
${tools_dir}/grib_set -r -s bitmapPresent=1,packingType=grid_simple $infile $tempSimple
grib_check_key_equals $tempSimple bitmapPresent,numberOfMissing,numberOfValues,numberOfPoints "1 556901 481339 1038240"
stats=`${tools_dir}/grib_get -F%.2f -p max,min,avg $tempSimple`
[ "$stats" = "2.81 0.00 0.30" ]
# Repack
${tools_dir}/grib_copy -r $infile $temp2
# The values do not have to be be bit-identical. The high effort to make them bit-identical is not justified.
# Therefore, we compare the values with a relative tolerance.
${tools_dir}/grib_compare -R all=0.3 -c data:n $infile $temp2
grib_check_key_equals $temp2 bitsPerValue 9 # Note: The input file has bpv=9
# Simple to grid_complex
tempComplex=temp.grib_bitmap.complex.grib
#${tools_dir}/grib_set -r -s packingType=grid_complex $tempSimple $tempComplex # TODO: fix re-packing
${tools_dir}/grib_set -s packingType=grid_complex $tempSimple $tempComplex
grib_check_key_equals $tempComplex packingType,bitmapPresent,numberOfMissing,numberOfValues,numberOfPoints "grid_complex 1 556901 481339 1038240"
stats=`${tools_dir}/grib_get -F%.2f -p max,min,avg $tempComplex`
[ "$stats" = "2.81 0.00 0.30" ]
rm -f $tempComplex
# Simple to grid_complex_spatial_differencing
tempComplexSD=temp.grib_bitmap.complexSD.grib
#${tools_dir}/grib_set -r -s packingType=grid_complex_spatial_differencing $tempSimple $tempComplexSD # TODO: fix re-packing
${tools_dir}/grib_set -s packingType=grid_complex_spatial_differencing $tempSimple $tempComplexSD
grib_check_key_equals $tempComplexSD packingType "grid_complex_spatial_differencing"
grib_check_key_equals $tempComplexSD bitmapPresent,numberOfMissing,numberOfValues,numberOfPoints "1 556901 481339 1038240"
stats=`${tools_dir}/grib_get -F%.2f -p max,min,avg $tempComplexSD`
[ "$stats" = "2.81 0.00 0.30" ]
rm -f $tempComplexSD
rm -f $tempSimple
# Secondary bitmap
grib2_sample=$ECCODES_SAMPLES_PATH/GRIB2.tmpl
${tools_dir}/grib_set -s bitMapIndicator=254 $grib2_sample $tempData1
set +e
${tools_dir}/grib_dump -O $tempData1 > $tempOut 2>&1
status=$?
set -e
[ $status -ne 0 ]
grep -q "missing bitmap" $tempOut
# bitmap as string
cat > $tempRules<<EOF
print "[bitmap:s]";
EOF
${tools_dir}/grib_filter $tempRules $data_dir/boustrophedonic.grib1 > $REDIRECT
${tools_dir}/grib_filter $tempRules $data_dir/missing_field.grib1 > $REDIRECT
${tools_dir}/grib_filter $tempRules $data_dir/reduced_latlon_surface.grib2 > $REDIRECT
# ECC-1858: grid_complex_spatial_differencing
# Optimize binary_scale_factor, decimal_scale_factor by default
# ----------------------------------------------------------
# Repack
in=${data_dir}/grid_complex_spatial_differencing.grib2
in_with_bitmap=${data_dir}/temp_grid_complex_spatial_differencing_bitmap.grib2
in_no_bitmap=${data_dir}/temp_grid_complex_spatial_differencing_no_bitmap.grib2
${tools_dir}/grib_set -s bitmapPresent=1 $in $in_with_bitmap
${tools_dir}/grib_set -s bitmapPresent=0 $in $in_no_bitmap
# No bitmap
# Repack
${tools_dir}/grib_copy -r $in_no_bitmap $temp2
stats=`${tools_dir}/grib_get -F%.2f -p max,min,avg $temp2`
[ "$stats" = '549.61 11.61 203.28' ]
# Rescale
${tools_dir}/grib_set -s scaleValuesBy=0.001 $in_no_bitmap $temp2
stats=`${tools_dir}/grib_get -F%.4f -p max,min,avg $temp2`
[ "$stats" = '0.5496 0.0116 0.2033' ]
# BitsPerValue=16
# If required bits and wanted bits are not the same, use an extra bit (see code)
${tools_dir}/grib_set -s setBitsPerValue=15 $in_no_bitmap $temp2
stats=`${tools_dir}/grib_get -F%.2f -p max,min,avg $temp2`
[ "$stats" = '549.61 11.61 203.28' ]
grib_check_key_equals $temp2 bitsPerValue 16
# BitsPerValue=24 (see comment above)
${tools_dir}/grib_set -s setBitsPerValue=23 $in_no_bitmap $temp2
stats=`${tools_dir}/grib_get -F%.2f -p max,min,avg $temp2`
[ "$stats" = '549.61 11.61 203.28' ]
grib_check_key_equals $temp2 bitsPerValue 24
# Change packing type
${tools_dir}/grib_set -r -s packingType=grid_simple $in_no_bitmap $temp2
stats=`${tools_dir}/grib_get -F%.2f -p max,min,avg $temp2`
[ "$stats" = '549.61 11.61 203.28' ]
${tools_dir}/grib_set -r -s packingType=grid_complex_spatial_differencing $temp2 $tempSimple
stats=`${tools_dir}/grib_get -F%.2f -p max,min,avg $temp2`
[ "$stats" = '549.61 11.61 203.28' ]
# With bitmap
# Repack
${tools_dir}/grib_copy -r $in_with_bitmap $temp2
stats=`${tools_dir}/grib_get -F%.2f -p max,min,avg $temp2`
[ "$stats" = '549.61 11.61 203.28' ]
# Rescale
${tools_dir}/grib_set -s scaleValuesBy=0.001 $in_with_bitmap $temp2
stats=`${tools_dir}/grib_get -F%.4f -p max,min,avg $temp2`
[ "$stats" = '0.5496 0.0116 0.2033' ]
# BitsPerValue=16 (see comment above)
${tools_dir}/grib_set -s setBitsPerValue=15 $in_with_bitmap $temp2
stats=`${tools_dir}/grib_get -F%.2f -p max,min,avg $temp2`
[ "$stats" = '549.61 11.61 203.28' ]
grib_check_key_equals $temp2 bitsPerValue 16
# BitsPerValue=24 (see comment above)
${tools_dir}/grib_set -s setBitsPerValue=23 $in_with_bitmap $temp2
stats=`${tools_dir}/grib_get -F%.2f -p max,min,avg $temp2`
[ "$stats" = '549.61 11.61 203.28' ]
grib_check_key_equals $temp2 bitsPerValue 24
# Change packing type
${tools_dir}/grib_set -r -s packingType=grid_simple $in_with_bitmap $temp2
stats=`${tools_dir}/grib_get -F%.2f -p max,min,avg $temp2`
[ "$stats" = '549.61 11.61 203.28' ]
${tools_dir}/grib_set -r -s packingType=grid_complex_spatial_differencing $temp2 $tempSimple
stats=`${tools_dir}/grib_get -F%.2f -p max,min,avg $temp2`
[ "$stats" = '549.61 11.61 203.28' ]
# Clean up for ECC-1858
rm -f $in_with_bitmap $in_no_bitmap
rm -f $tempSimple
# ----------------------------------------------------------
# Clean up
rm -f $tempData1 $tempData2 $temp1 $temp2 $tempRules $tempOut