mirror of https://github.com/ecmwf/eccodes.git
96 lines
3.5 KiB
Modula-2
96 lines
3.5 KiB
Modula-2
# (C) Copyright 2005- ECMWF.
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# Type of first fixed surface
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codetable[1] typeOfFirstFixedSurface ('4.5.table',masterDir,localDir) : dump,edition_specific,string_type;
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meta unitsOfFirstFixedSurface codetable_units(typeOfFirstFixedSurface) : dump;
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meta nameOfFirstFixedSurface codetable_title(typeOfFirstFixedSurface) : dump;
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# Scale factor of first fixed surface
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signed[1] scaleFactorOfFirstFixedSurface = missing() : can_be_missing,dump,edition_specific;
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# Scaled value of first fixed surface
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unsigned[4] scaledValueOfFirstFixedSurface = missing() : can_be_missing,dump,edition_specific;
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# Type of second fixed surface
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codetable[1] typeOfSecondFixedSurface ('4.5.table',masterDir,localDir) = 255 : dump,edition_specific;
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meta unitsOfSecondFixedSurface codetable_units(typeOfSecondFixedSurface) : dump;
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meta nameOfSecondFixedSurface codetable_title(typeOfSecondFixedSurface) : dump;
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# Scale factor of second fixed surface
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signed[1] scaleFactorOfSecondFixedSurface = missing() : can_be_missing,dump,edition_specific;
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# Scaled value of second fixed surface
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unsigned[4] scaledValueOfSecondFixedSurface = missing() : can_be_missing,dump,edition_specific;
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transient pressureUnits="hPa";
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concept_nofail vertical.typeOfLevel (unknown,"typeOfLevelConcept.def",conceptsDir2,conceptsDir1);
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alias levelType=typeOfFirstFixedSurface;
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if (typeOfSecondFixedSurface == 255) {
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# Only one surface
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meta level g2level(typeOfFirstFixedSurface,
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scaleFactorOfFirstFixedSurface,
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scaledValueOfFirstFixedSurface,
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pressureUnits) :dump;
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transient bottomLevel=level; # Do not use alias (see GRIB-725)
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transient topLevel=level;
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} else {
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# Two surfaces
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meta topLevel g2level(typeOfFirstFixedSurface,
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scaleFactorOfFirstFixedSurface,
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scaledValueOfFirstFixedSurface,
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pressureUnits) :dump;
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meta bottomLevel g2level(typeOfSecondFixedSurface,
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scaleFactorOfSecondFixedSurface,
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scaledValueOfSecondFixedSurface,
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pressureUnits) :dump;
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alias level=topLevel; # (see GRIB-725)
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}
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alias ls.level=level;
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alias vertical.level=level;
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alias vertical.bottomLevel=bottomLevel;
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alias vertical.topLevel=topLevel;
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alias extraDim=false;
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if (defined(extraDimensionPresent)) {
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if (extraDimensionPresent) {
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alias extraDim=true;
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}
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}
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if (extraDim) {
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alias mars.levelist = dimension;
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alias mars.levtype = dimensionType;
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} else {
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# See GRIB-74 why we store the pressureUnits in a transient
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transient tempPressureUnits=pressureUnits;
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if (!(typeOfLevel is "surface")) {
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if (tempPressureUnits is "Pa") {
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meta marsLevel scale(level,one,hundred) : read_only;
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alias mars.levelist=marsLevel;
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} else {
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alias mars.levelist = level;
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}
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}
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# ECC-1333: levtype should be read-only in GRIB2
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concept mars.levtype(unknown,"marsLevtypeConcept.def",conceptsDir2,conceptsDir1):no_copy, read_only;
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# GRIB-372: levelist alias does not pertain to surface parameters
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if (levtype is "sfc" || levtype is "o2d") {
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unalias mars.levelist;
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}
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}
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# See ECC-854, ECC-1435, ECC-1451, ECC-1462
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if( (typeOfFirstFixedSurface == 151 && typeOfSecondFixedSurface == 151) ||
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(typeOfFirstFixedSurface == 152 && typeOfSecondFixedSurface == 152) ||
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(typeOfFirstFixedSurface == 168 && typeOfSecondFixedSurface == 168) ||
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(typeOfFirstFixedSurface == 114 && typeOfSecondFixedSurface == 114) ) {
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alias mars.levelist = bottomLevel;
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alias ls.level = bottomLevel;
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alias vertical.level = bottomLevel;
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}
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alias ls.typeOfLevel=typeOfLevel;
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