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For other keywords controlling the interpolation see the diagram below.
Dissemination
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To select a specific method for the interpolation of gridded fields.
interpolation=<value> |
|---|
The default interpolation method used is linear. The following specific groups or parameters will use the nearest neighbour method:
- index parameters: integer values associated to a predefined table
- ocean wave spectra and associated parameters: intensity as a function of discrete wavelengths
- vegetation cover ratio parameters
Valid values to specify the interpolation method are listed in the table below:
| Value | Description |
|---|---|
linear | Linear interpolation, based on a triangular mesh. This is the default behaviour. |
nearest lsm | Choosing the nearest grid point in the target grid which has the same lsm properties as the input location |
When interpolating the land-sea mask field, fractional values greater than or equal to 0 and less than or equal to 1 are returned. Users should regard land-sea mask values greater than or equal to 0.5 as representing land points and those less than 0.5 as representing sea points.
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