mirror of https://github.com/ecmwf/eccodes.git
59 lines
1.8 KiB
Modula-2
59 lines
1.8 KiB
Modula-2
# (C) Copyright 2005- ECMWF.
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constant isGridded = true;
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unsigned[4] Ni : can_be_missing,dump;
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alias numberOfPointsAlongAParallel=Ni;
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alias numberOfPointsAlongXAxis=Ni;
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alias Nx = Ni;
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unsigned[4] Nj : dump;
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alias numberOfPointsAlongAMeridian=Nj;
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alias numberOfPointsAlongYAxis= Nj;
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alias Ny = Nj;
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alias geography.Ni=Ni;
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alias geography.Nj=Nj;
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# Basic angle of the initial production domain
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unsigned[4] basicAngleOfTheInitialProductionDomain = 0;
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transient mBasicAngle=basicAngleOfTheInitialProductionDomain*oneMillionConstant;
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transient angleMultiplier = 1;
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transient mAngleMultiplier = 1000000;
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when (basicAngleOfTheInitialProductionDomain == 0) {
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set angleMultiplier = 1;
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set mAngleMultiplier = 1000000;
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} else {
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set angleMultiplier = basicAngleOfTheInitialProductionDomain;
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set mAngleMultiplier = mBasicAngle;
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}
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# Subdivisions of basic angle used to define extreme longitudes and latitudes, and direction increments
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unsigned[4] subdivisionsOfBasicAngle = missing() : can_be_missing;
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transient angleDivisor = 1000000;
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when (missing(subdivisionsOfBasicAngle) || subdivisionsOfBasicAngle == 0) {
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set angleDivisor = 1000000;
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} else {
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set angleDivisor = subdivisionsOfBasicAngle;
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}
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# La1 - latitude of first grid point
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signed[4] latitudeOfFirstGridPoint : edition_specific ;
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alias La1 = latitudeOfFirstGridPoint;
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#meta latitudeOfFirstGridPointInMicrodegrees times(latitudeOfFirstGridPoint,mAngleMultiplier,angleDivisor) : no_copy;
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# Lo1 - longitude of first grid point
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signed[4] longitudeOfFirstGridPoint ;
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alias Lo1 = longitudeOfFirstGridPoint;
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include "grib2/template.3.resolution_flags.def"
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# La2 - latitude of last grid point
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signed[4] latitudeOfLastGridPoint : edition_specific;
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alias La2 = latitudeOfLastGridPoint;
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# Lo2 - longitude of last grid point
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signed[4] longitudeOfLastGridPoint : edition_specific ;
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alias Lo2 = longitudeOfLastGridPoint;
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