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subset shp while preserve proj #116

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kongdd opened this issue Jun 20, 2024 · 1 comment

kongdd commented Jun 20, 2024

using Shapefile
import Shapefile: getshp, getdbf
using DataFrames

f = "./test/shapelib_testcases/test.shp"
t = Shapefile.Table(f)
d = DataFrame(t) 

inds = ismissing(d.TestInt)
d2 = d[inds, :] # use DataFrame, proj will be dropped

Shapefile.write(d2, "a.shp")

Any method to subset shp directly via Shapefile?

Member

rafaqz commented Jun 20, 2024 •

edited

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You can use the crs keyword to write

(we do want to retain the crs in DataAPI metadata as a general GeoInterface pattern, but no one has implemented it yet)

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