mirror of https://github.com/ecmwf/eccodes.git
64 lines
2.6 KiB
Modula-2
64 lines
2.6 KiB
Modula-2
# (C) Copyright 2005- ECMWF.
|
|
|
|
# START 2/template.3.140 ----------------------------------------------------------------------
|
|
# TEMPLATE 3.140, Lambert azimuthal equal area projection
|
|
include "grib3/template.3.shape_of_the_earth.def";
|
|
|
|
# Nx - number of points along X-axis
|
|
unsigned[4] numberOfPointsAlongXAxis : dump ;
|
|
alias Nx = numberOfPointsAlongXAxis;
|
|
|
|
# Ny - number of points along Y-axis
|
|
unsigned[4] numberOfPointsAlongYAxis : dump ;
|
|
alias Ny = numberOfPointsAlongYAxis;
|
|
|
|
# La1 - latitude of first grid point
|
|
signed[4] latitudeOfFirstGridPoint: edition_specific ;
|
|
alias La1 = latitudeOfFirstGridPoint;
|
|
meta geography.latitudeOfFirstGridPointInDegrees scale(latitudeOfFirstGridPoint
|
|
,one,grib3divider,truncateDegrees) : dump;
|
|
#meta latitudeOfFirstGridPointInMicrodegrees times(latitudeOfFirstGridPoint,mAngleMultiplier,angleDivisor): no_copy;
|
|
|
|
# Lo1 - longitude of first grid point
|
|
signed[4] longitudeOfFirstGridPoint: edition_specific ;
|
|
alias La1 = longitudeOfFirstGridPoint;
|
|
meta geography.longitudeOfFirstGridPointInDegrees scale(longitudeOfFirstGridPoint
|
|
,one,grib3divider,truncateDegrees) : dump;
|
|
#meta longitudeOfFirstGridPointInMicrodegrees times(longitudeOfFirstGridPoint,mAngleMultiplier,angleDivisor) : no_copy;
|
|
|
|
signed[4] standardParallelInMicrodegrees : dump;
|
|
alias standardParallel=standardParallelInMicrodegrees;
|
|
|
|
signed[4] centralLongitudeInMicrodegrees : dump;
|
|
alias centralLongitude=centralLongitudeInMicrodegrees;
|
|
|
|
# Resolution and component flag
|
|
flags[1] resolutionAndComponentFlags 'grib3/tables/[tablesVersion]/3.3.table' : dump ;
|
|
|
|
# Dx - X-direction grid length in millimetres
|
|
unsigned[4] xDirectionGridLengthInMillimetres : dump ;
|
|
alias Dx = xDirectionGridLengthInMillimetres ;
|
|
|
|
# Dy - Y-direction grid length in millimetres
|
|
unsigned[4] yDirectionGridLengthInMillimetres : dump ;
|
|
alias Dy = yDirectionGridLengthInMillimetres ;
|
|
|
|
include "grib3/template.4.scanning_mode.def";
|
|
|
|
iterator lambert_azimuthal_equal_area(numberOfPoints,missingValue,values,
|
|
radius,Nx,Ny,
|
|
latitudeOfFirstGridPointInDegrees,longitudeOfFirstGridPointInDegrees,
|
|
standardParallel,centralLongitude,
|
|
Dx,Dy,
|
|
iScansNegatively,
|
|
jScansPositively,
|
|
jPointsAreConsecutive,
|
|
alternativeRowScanning);
|
|
|
|
meta latLonValues latlonvalues(values);
|
|
alias latitudeLongitudeValues=latLonValues;
|
|
meta latitudes latitudes(values,0);
|
|
meta longitudes longitudes(values,0);
|
|
|
|
# END 2/template.3.140 ----------------------------------------------------------------------
|