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Add support for GeoInterface CRS metadata #25

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merged 4 commits into from
Dec 20, 2024
Merged

Add support for GeoInterface CRS metadata #25

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452a9dd
Add support for GeoInterface CRS metadata
eliascarv Oct 3, 2024
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eliascarv Oct 3, 2024
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eliascarv Oct 3, 2024
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Add tests
eliascarv Oct 8, 2024
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9 changes: 8 additions & 1 deletion src/io.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -48,8 +48,15 @@ function read(fn::Union{AbstractString,Parquet2.FilePathsBase.AbstractPath,Parqu
is_valid(ds) || error("Not a valid GeoParquet file")
meta = geometadata(ds)
df = DataFrame(ds; copycols=false)
for column in keys(meta.columns)
geocolumns = Symbol.(keys(meta.columns))
for column in geocolumns
df[!, column] = GFT.WellKnownBinary.(Ref(GFT.Geom()), df[!, column])
end
# set GeoInterface metadata
metadata!(df, "GEOINTERFACE:geometrycolumns", geocolumns)
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crs = meta.columns[meta.primary_column].crs
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if !isnothing(crs)
metadata!(df, "GEOINTERFACE:crs", crs)
end
df
end
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