mirror of https://github.com/ecmwf/eccodes.git
127 lines
3.9 KiB
Bash
Executable File
127 lines
3.9 KiB
Bash
Executable File
#!/bin/sh
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# (C) Copyright 2005- 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.ctest.sh
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label="grib_change_scanning"
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editions="1 2"
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gridTypes="regular_ll rotated_ll"
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Ni_list="5 8"
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Nj_list="7 4"
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file=${data_dir}/regular_latlon_surface.grib1
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for edition in `echo ${editions}`; do
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for gridType in `echo $gridTypes`; do
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for Ni in `echo ${Ni_list}`; do
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for Nj in `echo ${Nj_list}`; do
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#echo $gridType Ni=$Ni Nj=$Nj
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N=`expr $Ni \* $Nj`
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cat > ${data_dir}/change_scanning_${gridType}.filter <<EOF
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set edition=$edition;
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set gridType="$gridType";
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set Ni=$Ni;
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set Nj=$Nj;
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set latitudeFirstInDegrees=20.0;
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set longitudeFirstInDegrees=20.0;
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set latitudeLastInDegrees=`expr 20 - $Nj + 1`;
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set longitudeLastInDegrees=`expr 20 + $Ni - 1`;
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set DiInDegrees=1.0;
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set DjInDegrees=1.0;
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set iScansNegatively=0;
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set jScansPositively=0;
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set jPointsAreConsecutive=0;
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set values = {1
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EOF
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list=""
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i=2
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while [ $i -le $N ]; do
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list="$list,$i"
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i=`expr $i + 1`
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done
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cat >> ${data_dir}/change_scanning_${gridType}.filter <<EOF
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$list };
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write "${data_dir}/scan1.grib";
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EOF
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${tools_dir}/grib_filter ${data_dir}/change_scanning_${gridType}.filter $file
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#ed=`${tools_dir}/grib_get -p edition ${data_dir}/scan1.grib`
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#echo edition=$ed
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${tools_dir}/grib_set -s swapScanningX=1 ${data_dir}/scan1.grib ${data_dir}/scan.grib
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${tools_dir}/grib_get_data -F "%g" ${data_dir}/scan.grib > ${data_dir}/scan_x_${gridType}_${Ni}_${Nj}.dump
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diff ${data_dir}/scan_x_${gridType}_${Ni}_${Nj}.dump ${data_dir}/scan_x_${gridType}_${Ni}_${Nj}_good.dump
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rm -f ${data_dir}/scan_x_${gridType}_${Ni}_${Nj}.dump
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${tools_dir}/grib_set -s swapScanningY=1 ${data_dir}/scan1.grib ${data_dir}/scan.grib
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${tools_dir}/grib_get_data -F "%g" ${data_dir}/scan.grib > ${data_dir}/scan_y_${gridType}_${Ni}_${Nj}.dump
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diff ${data_dir}/scan_y_${gridType}_${Ni}_${Nj}.dump ${data_dir}/scan_y_${gridType}_${Ni}_${Nj}_good.dump
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rm -f ${data_dir}/scan_y_${gridType}_${Ni}_${Nj}.dump
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rm -f ${data_dir}/change_scanning_${gridType}.filter
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done
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done
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done
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done
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# alternativeRowScanning
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# -----------------------
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tempFilt=temp.$label.filt
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tempGribA=temp.$label.A.grib
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tempGribB=temp.$label.B.grib
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tempText=temp.$label.txt
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tempRef=temp.$label.ref
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cat > $tempFilt <<EOF
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set Nj = 2;
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set latitudeOfFirstGridPointInDegrees = 60;
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set latitudeOfLastGridPointInDegrees = 59;
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set Ni = 3;
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set longitudeOfFirstGridPointInDegrees = 0;
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set longitudeOfLastGridPointInDegrees = 2;
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set DjInDegrees = 1;
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set DiInDegrees = 1;
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set alternativeRowScanning = 1;
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set values={ 12, 13, 14, 15, 16, 17 };
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write;
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EOF
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${tools_dir}/grib_filter -o $tempGribA $tempFilt $ECCODES_SAMPLES_PATH/GRIB2.tmpl
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${tools_dir}/grib_set -s swapScanningAlternativeRows=1 $tempGribA $tempGribB
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grib_check_key_equals $tempGribB alternativeRowScanning 0
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${tools_dir}/grib_get_data -F "%.2f" $tempGribB > $tempText
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cat > $tempRef << EOF
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Latitude Longitude Value
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60.000 0.000 12.00
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60.000 1.000 13.00
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60.000 2.000 14.00
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59.000 0.000 17.00
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59.000 1.000 16.00
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59.000 2.000 15.00
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EOF
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diff $tempRef $tempText
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# It must fail when Ni=missing (reduced grids)
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set +e
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${tools_dir}/grib_set -s swapScanningAlternativeRows=1 $ECCODES_SAMPLES_PATH/reduced_gg_pl_96_grib2.tmpl $tempGribB 2>/dev/null
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status=$?
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set -e
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[ $status -ne 0 ]
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# Clean up
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rm -f $tempFilt $tempGribA $tempGribB $tempRef $tempText
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rm -f ${data_dir}/scan1.grib ${data_dir}/scan.grib
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