ElementContentsecCodes keys
1Data representation type (see WMO code table 6) = 90gridType
2Number of points along the x-axis.Nx
Ni
3Number of points along the y-axis.Ny
Nj
4Latitude of the sub-satellite point.latitudeOfSubSatellitePointInDegrees*1000
5Longitude of the sub-satellite point.longitudeOfSubSatellitePointInDegrees*1000
6
Resolution flag:
0 Direction increments are not given.
128 Direction increments are given.
ijDirectionIncrementGiven*128
7Apparent diameter of the Earth in grid lengths in x direction.apparentDiameterOfEarthInGridLengthsInXDirection
8Apparent diameter of the Earth in grid lengths in y direction.apparentDiameterOfEarthInGridLengthsInYDirection
9X-coordinate of the sub-satellite point.xCoordinateOfSubSatellitePoint
10Y-coordinate of the sub-satellite point.yCoordinateOfSubSatellitePoint
11Scanning mode flag (see WMO code table 8).

iScansNegatively

jScansNegatively

jPointsAreConsecutive

12Number of vertical coordinate parameters.NV
13The orientation of the grid.orientationOfTheGridInDegrees*1000
14Altitude of the camera from the Earth's centre divided by the Earth's radius and scaled by 10**6 to give an integer value.
Currently = 6610839 for Meteosat. For orthographic view from infinite distance, the value is 16777215.
altitudeOfTheCameraFromTheEarthSCenterMeasuredInUnitsOfTheEarth
15X coordinate of the origin of the sector image.xCoordinateOfOriginOfSectorImage
16Y coordinate of the origin of the sector image.yCoordinateOfOriginOfSectorImage
170 Regular grid.gridType
18
Earth flag:
0 Earth assumed spherical with radius 6367.47 km.
64 Earth assumed oblate spheroidal with size as determined by IAU in 1965:
6378.160km, 6356.775km, f=1/297.0
earthIsOblate
19
Components flag:
0 Resolved u and v components of vector quantities relative to easterly
and northerly directions.
8 Resolved u and v components of vector quantities relative to the
defined grid in the direction of increasing x and y (or i and j)
coordinates.
uvRelativeToGrid
20-22Reserved. Set to 0.