GRIB API ecCodes keys |
---|
1 | Data representation type (see WMO code table 6) = 5 | gridType |
---|
2 | Number of points along X-axis. | Nx Ni |
---|
3 | Number of points along Y-axis. | Ny Nj |
---|
4 | Latitude of the first grid point. | latitudeOfFirstGridPointInDegrees*1000 |
---|
5 | Longitude of the first grid point. | longitudeOfFirstGridPointInDegrees*1000 |
---|
6 | Reserved. Set to 0. (Resolution flag is not applicable to polar stereographic.) |
|
|
---|
7 | Orientation of the grid, ie the longitude of the meridian which is parallel to the Y-axis along which latitude increases as the Y-coordinate increases. | orientationOfTheGrid |
---|
8 | Reserved. Set to 0. |
|
|
---|
9 | X-direction grid length. | xDirectionGridLengthInMetres |
---|
10 | Y-direction grid length. | yDirectionGridLengthInMetres |
---|
11 | Scanning mode flag (see WMO code table 8) |
| |
|
---|
13 | Projection centre flag: 0 North pole is on projection plane. 128 South pole is on projection plane. | projectionCenterFlag |
---|
14-16 | Reserved. Set to 0. |
|
|
---|
17 | 0 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. Valid values are: 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 respectively. | uvRelativeToGrid |
---|
20-22 | Reserved. Set to 0. |
Grid lengths are in metres, at the 60-degree parallel nearest to the pole on the projection plane.