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Generates a Gauss-Kruger projection epsg coding character corresponding to an sfj object under the CGCS2000 spatial reference.
sfj
sf_gk_proj_cgcs2000(sfj, degree = 6L)
A character.
An sf object or can be converted to sf by sf::st_as_sf().
sf
sf::st_as_sf()
(optional) 3-degree or 6-degree zonal projection, default is 6L.
3
6
6L
gzma = sf::read_sf(system.file('extdata/gzma.gpkg',package = 'sdsfun')) |> sf::st_transform(4490) sf_gk_proj_cgcs2000(gzma,3) sf_gk_proj_cgcs2000(gzma,6)
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