mirror of https://github.com/ecmwf/eccodes.git
84 lines
3.0 KiB
Modula-2
84 lines
3.0 KiB
Modula-2
# (C) Copyright 2005- ECMWF.
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# TEMPLATE 3.90, Space view perspective or orthographic
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include "grib2/template.3.shape_of_the_earth.def";
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unsigned[4] Nx : dump;
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alias Ni = Nx;
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alias numberOfPointsAlongXAxis = Nx;
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alias geography.Nx=Nx;
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unsigned[4] Ny : dump;
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alias Nj = Ny;
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alias numberOfPointsAlongYAxis = Ny;
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alias geography.Ny=Ny;
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# Lap - latitude of sub-satellite point
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signed[4] latitudeOfSubSatellitePoint ;
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# Lop - longitude of sub-satellite point
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signed[4] longitudeOfSubSatellitePoint ;
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meta geography.latitudeOfSubSatellitePointInDegrees scale(latitudeOfSubSatellitePoint,one,grib2divider,truncateDegrees) : dump;
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meta geography.longitudeOfSubSatellitePointInDegrees scale(longitudeOfSubSatellitePoint,one,grib2divider,truncateDegrees) : dump;
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include "grib2/template.3.resolution_flags.def";
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# dx - apparent diameter of Earth in grid lengths, in X-direction
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unsigned[4] dx : dump;
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alias geography.dx=dx;
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# dy - apparent diameter of Earth in grid lengths, in Y-direction
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unsigned[4] dy : dump;
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alias geography.dy=dy;
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# Xp - X-coordinate of sub-satellite point
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# (in units of 10^-3 grid length expressed as an integer)
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unsigned[4] Xp : no_copy;
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meta geography.XpInGridLengths scale(Xp,one,thousand) : dump;
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alias xCoordinateOfSubSatellitePoint=XpInGridLengths;
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# Yp - Y-coordinate of sub-satellite point
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# (in units of 10^-3 grid length expressed as an integer)
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unsigned[4] Yp : no_copy;
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meta geography.YpInGridLengths scale(Yp,one,thousand) : dump;
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alias yCoordinateOfSubSatellitePoint=YpInGridLengths;
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include "grib2/template.3.scanning_mode.def";
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# Orientation of the grid; i.e. the angle between the increasing Y-axis and the meridian
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# of the sub-satellite point in the direction of increasing latitude
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signed[4] orientationOfTheGrid : edition_specific;
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meta geography.orientationOfTheGridInDegrees
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scale(orientationOfTheGrid,oneConstant,grib2divider,truncateDegrees) : dump;
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# Nr - altitude of the camera from the Earth's centre, measured in units of the Earth's
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# (equatorial) radius multiplied by a scale factor of 10^6
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unsigned[4] Nr : edition_specific,can_be_missing,no_copy;
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alias altitudeOfTheCameraFromTheEarthSCenterMeasuredInUnitsOfTheEarth = Nr;
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meta geography.NrInRadiusOfEarth scale(Nr,oneConstant,oneMillionConstant,truncateDegrees) : dump;
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# Xo - X-coordinate of origin of sector image
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unsigned[4] Xo : dump;
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alias xCoordinateOfOriginOfSectorImage=Xo;
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alias geography.Xo=Xo;
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# Yo - Y-coordinate of origin of sector image
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unsigned[4] Yo : dump;
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alias yCoordinateOfOriginOfSectorImage=Yo;
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alias geography.Yo=Yo;
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iterator space_view(numberOfPoints, missingValue, values, radius,
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earthIsOblate,
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earthMajorAxis, earthMinorAxis,
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Nx, Ny,
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latitudeOfSubSatellitePointInDegrees,
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longitudeOfSubSatellitePointInDegrees,
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dx, dy, XpInGridLengths, YpInGridLengths,
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orientationOfTheGridInDegrees,
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NrInRadiusOfEarth, Xo, Yo,
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iScansNegatively,
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jScansPositively,
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jPointsAreConsecutive,
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alternativeRowScanning);
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