mirror of https://github.com/ecmwf/eccodes.git
104 lines
3.5 KiB
Bash
Executable File
104 lines
3.5 KiB
Bash
Executable File
#!/bin/sh
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# Copyright 2005-2017 ECMWF.
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#
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# This software is licensed under the terms of the Apache Licence Version 2.0
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# which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
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#
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# In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
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# virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
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#
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. ./include.sh
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REDIRECT=/dev/null
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# First check if jpeg decode/encode feature is enabled
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skip_test=0
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src_config=${src_dir}/config.h
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if [ -f ${src_config} ]; then
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set +e
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grep '#undef HAVE_JPEG' ${src_config} >/dev/null
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status=$?
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set -e
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if [ $status -eq 0 ]; then
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# Found the string so feature is disabled
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skip_test=1
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fi
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fi
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if [ $skip_test -eq 1 ]; then
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echo "JPEG feature was not enabled. Skipping this test."
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exit 0
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fi
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echo "JPEG feature was enabled."
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BLACKLIST="totalLength,section5Length,section7Length,dataRepresentationTemplateNumber,typeOfPacking"
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infile=${data_dir}/jpeg.grib2
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outfile1=$infile.tmp_jpeg.1
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outfile2=$infile.tmp_jpeg.2
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rm -f $outfile1 $outfile2
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${tools_dir}grib_set -s packingType=grid_simple $infile $outfile1
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${tools_dir}grib_compare -P -b $BLACKLIST,typeOfCompressionUsed,targetCompressionRatio $infile $outfile1 > $REDIRECT
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${tools_dir}grib_set -s packingType=grid_jpeg $outfile1 $outfile2
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${tools_dir}grib_compare -P -b $BLACKLIST $outfile1 $outfile2 > $REDIRECT
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templateNumber=`${tools_dir}grib_get -p dataRepresentationTemplateNumber $outfile2`
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if [ $templateNumber -ne 40 ]
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then
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echo dataRepresentationTemplateNumber=$templateNumber
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exit 1
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fi
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rm -f $outfile1 $outfile2
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infile=${data_dir}/reduced_latlon_surface.grib2
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outfile1=$infile.tmp_jpeg.1
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outfile2=$infile.tmp_jpeg.2
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${tools_dir}grib_set -s packingType=grid_jpeg $infile $outfile1
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${tools_dir}grib_compare -P -b $BLACKLIST $infile $outfile1 > $REDIRECT
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${tools_dir}grib_set -s packingType=grid_simple $outfile1 $outfile2
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${tools_dir}grib_compare -P -b $BLACKLIST,typeOfCompressionUsed,targetCompressionRatio $outfile1 $outfile2 > $REDIRECT
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res1=`${tools_dir}grib_get '-F%1.2f' -p min,max,avg $infile`
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res2=`${tools_dir}grib_get '-F%1.2f' -p min,max,avg $outfile1`
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res3=`${tools_dir}grib_get '-F%1.2f' -p min,max,avg $outfile2`
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[ "$res1" = "$res2" ]
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[ "$res1" = "$res3" ]
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rm -f $outfile2
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# GRIB-564 nearest 4 neighbours with JPEG packing
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res=`${tools_dir}grib_get -l 0,50 $outfile1`
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[ "$res" = "2.47244 2.47244 2.5115 2.51931 " ]
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rm -f $outfile1
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# ECC-317: Constant JPEG field numberOfValues
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# Create a JPEG encoded GRIB message to have all constant values and one more value
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# than input GRIB message
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infile=${data_dir}/jpeg.grib2
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outfile=$infile.temp.const
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tempFilter1=temp.grib_jpeg_test1.filt
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tempFilter2=temp.grib_jpeg_test2.filt
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numberOfValuesOrig=`${tools_dir}grib_get -p numberOfValues $infile`
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# Create a filter to print the values. This will be used to create another filter
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cat > $tempFilter1 <<EOF
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print "set values={[values!1',']};";
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print "write;";
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EOF
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# Run the filter on the input. Change the output to set all values to 1 with an additional entry
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# so the output file should have original numberOfValues+1
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${tools_dir}grib_filter $tempFilter1 $infile |\
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sed -e 's/[0-9][0-9]*/1/' |\
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sed -e 's/set values={1,/set values={1,1,/' > $tempFilter2
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# Apply the new filter to create the constant field JPEG file
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${tools_dir}grib_filter -o $outfile $tempFilter2 $infile
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numberOfValuesNew=`expr $numberOfValuesOrig + 1`
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grib_check_key_equals $outfile "numberOfValues" $numberOfValuesNew
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rm -f $tempFilter1 $tempFilter2
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rm -f $outfile $outfile2
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