/usr/share/eccodes/definitions/grib2/template.3.gaussian.def is in libeccodes-data 2.0.2-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 | # Copyright 2005-2016 ECMWF.
#
# This software is licensed under the terms of the Apache Licence Version 2.0
# which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
#
# In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
# virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
#
include "grib2/template.3.grid.def";
# Di - i direction increment
unsigned[4] iDirectionIncrement : can_be_missing;
alias Di = iDirectionIncrement;
# N - number of parallels between a pole and the equator
unsigned[4] N : dump;
alias numberOfParallelsBetweenAPoleAndTheEquator=N ;
alias geography.N=N;
include "grib2/template.3.scanning_mode.def";
modify Ni : can_be_missing,dump;
meta g2grid g2grid(
latitudeOfFirstGridPoint,
longitudeOfFirstGridPoint,
latitudeOfLastGridPoint,
longitudeOfLastGridPoint,
iDirectionIncrement,
null,
basicAngleOfTheInitialProductionDomain,
subdivisionsOfBasicAngle
);
meta geography.latitudeOfFirstGridPointInDegrees g2latlon(g2grid,0) : dump;
meta geography.longitudeOfFirstGridPointInDegrees g2latlon(g2grid,1) : dump;
meta geography.latitudeOfLastGridPointInDegrees g2latlon(g2grid,2) : dump;
meta geography.longitudeOfLastGridPointInDegrees g2latlon(g2grid,3) : dump;
meta geography.iDirectionIncrementInDegrees g2latlon(g2grid,4,iDirectionIncrementGiven) : can_be_missing,dump;
meta global global_gaussian(N,Ni,iDirectionIncrement,
latitudeOfFirstGridPoint,
longitudeOfFirstGridPoint,
latitudeOfLastGridPoint,
longitudeOfLastGridPoint,
PLPresent, pl,
basicAngleOfTheInitialProductionDomain,
subdivisionsOfBasicAngle) = 0 : dump;
alias xFirst=longitudeOfFirstGridPointInDegrees;
alias yFirst=latitudeOfFirstGridPointInDegrees;
alias xLast=longitudeOfLastGridPointInDegrees;
alias yLast=latitudeOfLastGridPointInDegrees;
alias latitudeFirstInDegrees = latitudeOfFirstGridPointInDegrees;
alias longitudeFirstInDegrees = longitudeOfFirstGridPointInDegrees;
alias latitudeLastInDegrees = latitudeOfLastGridPointInDegrees;
alias longitudeLastInDegrees = longitudeOfLastGridPointInDegrees;
alias DiInDegrees = iDirectionIncrementInDegrees;
if(missing(Ni) && PLPresent == 1){
iterator gaussian_reduced(numberOfPoints,missingValue,values,
latitudeOfFirstGridPointInDegrees,longitudeOfFirstGridPointInDegrees,
latitudeOfLastGridPointInDegrees,longitudeOfLastGridPointInDegrees,
N,pl,Nj);
nearest reduced(values,radius,Nj,pl);
} else {
iterator gaussian(numberOfPoints,missingValue,values,
longitudeFirstInDegrees,DiInDegrees ,
Ni,Nj,iScansNegatively,
latitudeFirstInDegrees, latitudeLastInDegrees,
N,jScansPositively);
nearest regular(values,radius,Ni,Nj);
}
meta latLonValues latlonvalues(values);
alias latitudeLongitudeValues=latLonValues;
meta latitudes latitudes(values,0);
meta longitudes longitudes(values,0);
meta distinctLatitudes latitudes(values,1);
meta distinctLongitudes longitudes(values,1);
meta isOctahedral octahedral_gaussian(N, Ni, PLPresent, pl) = 0 : no_copy,dump;
meta gaussianGridName gaussian_grid_name(N, Ni, isOctahedral);
alias gridName=gaussianGridName;
# Useful for sub-areas
# meta numberOfExpectedPoints number_of_points_gaussian(Ni,Nj,PLPresent,pl,
# N,
# latitudeOfFirstGridPointInDegrees,longitudeOfFirstGridPointInDegrees,
# latitudeOfLastGridPointInDegrees,longitudeOfLastGridPointInDegrees) : dump;
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