mirror of https://github.com/ecmwf/eccodes.git
44 lines
1.5 KiB
Modula-2
44 lines
1.5 KiB
Modula-2
# (C) Copyright 2005- ECMWF.
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# TEMPLATE 3.100, Triangular grid based on an icosahedron (see Attachment I.2-GRIB-Att.)
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# n2 - exponent of 2 for the number of intervals on main triangle sides
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unsigned[1] n2 : dump ;
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# n3 - exponent of 3 for the number of intervals on main triangle sides
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unsigned[1] n3 : dump ;
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# Ni - number of intervals on main triangle sides of the icosahedron
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unsigned[2] Ni : dump ;
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# nd - Number of diamonds
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unsigned[1] nd : dump ;
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alias numberOfDiamonds=nd;
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# Latitude of the pole point of the icosahedron on the sphere
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signed[4] latitudeOfThePolePoint : dump ;
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meta geography.latitudeOfThePolePointInDegrees scale(latitudeOfThePolePoint,one,grib2divider,truncateDegrees) : dump;
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# Longitude of the pole point of the icosahedron on the sphere
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unsigned[4] longitudeOfThePolePoint : dump ;
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meta geography.longitudeOfThePolePointInDegrees g2lon(longitudeOfThePolePoint);
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# Longitude of the centre line of the first diamond of the icosahedron on the sphere
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unsigned[4] longitudeOfFirstDiamondCentreLine : dump ;
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meta geography.longitudeOfFirstDiamondCentreLineInDegrees g2lon(longitudeOfFirstDiamondCentreLine);
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# Grid point position
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codetable[1] gridPointPosition ('3.8.table',masterDir,localDir);
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# Numbering order of diamonds
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flags[1] numberingOrderOfDiamonds 'grib2/tables/[tablesVersion]/3.9.table';
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# Scanning mode for one diamond
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flags[1] scanningModeForOneDiamond 'grib2/tables/[tablesVersion]/3.10.table';
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# nt - total number of grid points
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unsigned[4] totalNumberOfGridPoints : dump ;
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alias nt = totalNumberOfGridPoints;
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