Element | Contents | ecCodes keys |
---|---|---|
1 | Data representation type (see WMO code table 6) = 90 | gridType |
2 | Number of points along the x-axis. | Nx Ni |
3 | Number of points along the y-axis. | Ny Nj |
4 | Latitude of the sub-satellite point. | latitudeOfSubSatellitePointInDegrees*1000 |
5 | Longitude of the sub-satellite point. | longitudeOfSubSatellitePointInDegrees*1000 |
6 | Resolution flag: | ijDirectionIncrementGiven*128 |
7 | Apparent diameter of the Earth in grid lengths in x direction. | apparentDiameterOfEarthInGridLengthsInXDirection |
8 | Apparent diameter of the Earth in grid lengths in y direction. | apparentDiameterOfEarthInGridLengthsInYDirection |
9 | X-coordinate of the sub-satellite point. | xCoordinateOfSubSatellitePoint |
10 | Y-coordinate of the sub-satellite point. | yCoordinateOfSubSatellitePoint |
11 | Scanning mode flag (see WMO code table 8). | iScansNegatively jScansNegatively jPointsAreConsecutive |
12 | Number of vertical coordinate parameters. | NV |
13 | The orientation of the grid. | orientationOfTheGridInDegrees*1000 |
14 | Altitude 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 |
15 | X coordinate of the origin of the sector image. | xCoordinateOfOriginOfSectorImage |
16 | Y coordinate of the origin of the sector image. | yCoordinateOfOriginOfSectorImage |
17 | 0 Regular grid. | gridType |
18 | Earth flag: | earthIsOblate |
19 | Components flag: | uvRelativeToGrid |
20-22 | Reserved. Set to 0. |