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The first, and fastest, way to do this is through the GRIB Filter icon. This allows GRIB Filter and Regrid icons allow you to change the resolution and area of a GRIB field - see this tutorial for an example |
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Step-by-step guide
The first, and fastest, If you already know the desired resolution, one way to do this is through the GRIB Filter icon. This allows you to change the resolution and area of a GRIB field - see this tutorial for an example.
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Since version 5.10, Metview has an advanced regridding module called Regrid. This has a mode that allows a template GRIB to be used to define the output grid. The following Python example shows the retrieval of a temperature field on one grid resolution and a subarea, and a land-sea mask on another grid; the land-sea mask is then put onto the same grid and subarea as the temperature field.
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import metview as mv
t = mv.retrieve(param='t', grid=[0.5, 0.5], area=[50, 10, 80, 40])
lsm = mv.retrieve(param='lsm', levtype='sfc', grid=[0.2, 0.2])
regridded_lsm = mv.regrid(data=lsm,
grid_definition_mode='template',
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