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Add get_scale definition to GRIBDatasetsExt #802

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Add get_scale definition to GRIBDatasetsExt #802

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6 changes: 6 additions & 0 deletions ext/RastersGRIBDatasetsExt/gribdatasets_source.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,12 @@ function RA._open(f, ::GRIBsource, filename::AbstractString; write=false, kw...)
RA._open(f, GRIBsource(), ds; kw...)
end

@inline function RA.get_scale(metadata::RA.Metadata{<: GRIBsource}, scaled::Bool)
scale = scaled ? get(metadata, "scale_factor", nothing) : nothing
offset = scaled ? get(metadata, "add_offset", nothing) : nothing
return scale, offset
end

RA._sourcetrait(::GDS.Variable) = GRIBsource()
RA._sourcetrait(::GDS.GRIBDataset) = GRIBsource()

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