Here is a small sample of the dataset I'm working with- the strings are
really long for geometry, so apologies for the messiness.
df = data.frame(a=1:5,
geom=c("0105000020D70800000100000001020000000C000000003BA049F49B2E4100667C2F07460F410012BC05F09B2E4100303670E4480F410019849E1D9C2E41007A13FB1B4C0F4180AFF579479C2E41005C30996E4E0F41001E3A23509C2E4100D0F0A76A500F41803BD015919C2E41004A1AFBA7540F4180024687D89C2E4100BA8183FD560F418067F48E3D9D2E410064EAE9D4590F4100852B29879D2E41007AD06D445C0F410053C7ADB99D2E4100D614CECE5F0F41006A378D0F9E2E4100E6D2D363620F4180781D0D679E2E41007829482A660F41",
"0105000020D70800000100000001020000000200000080048144E38A2E41001E996E65F20A41805C14EE428B2E41005617618EF50A41",
"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",
"0105000020D708000001000000010200000003000000009875DF60AC2D4100606296BDAC07410037DB98F1AC2D41001C5EFC79AA074180A23112E1AA2D41001E0E5F18A20741",
"0105000020D708000001000000010200000004000000809F59A9A8E02D41009EACC82A130841807FA2D79DE02D410092AB7B64130841007843FF9CE02D41003434DFAE130841805FF302D9E02D41002AC2FE9C180841"))
On Tue, Oct 15, 2019 at 3:30 PM Edzer Pebesma <edzer.pebe...@uni-muenster.de>
wrote:
> Without sharing a (minimal) reproducible example, it is unlikely that
> someone else can help you find out whether this points to a problem in
> your data, or in the software.
>
> On 10/15/19 2:31 PM, argunaw . wrote:
> > When I run this, I get the following error:
> >
> > *Error in CPL_sfc_from_wkt(x) : OGR error*
> >
> > When I run it on my data, I get the same error.
> >
> > On Tue, Oct 15, 2019 at 2:16 PM Edzer Pebesma
> > <edzer.pebe...@uni-muenster.de <mailto:edzer.pebe...@uni-muenster.de>>
> > wrote:
> >
> > You may try something along these lines:
> >
> > # read data.frame with read.csv; here, we create an example by hand:
> > df = data.frame(
> > a = 1:3, b = 3:1, geom = c("LINESTRING(0 0, 1 1)",
> > "LINESTRING(1 1,2
> > 2)", "LINESTRING(5 5,6 6)")
> > )
> >
> > library(sf)
> > sf = st_sf(df, geom = st_as_sfc(df$geom))
> > sf
> >
> >
> > On 10/15/19 1:58 PM, argunaw . wrote:
> > > I'm not sure how it was exported from postgis- the person who gave
> > me the
> > > file wasn't the one who downloaded it unfortunately.
> > >
> > > The file is a line file of roads. The files main columns are road
> ID
> > > numbers (type integer) and the geometry column (type geometry,
> > long strong
> > > of letters and numbers). Only the IT admins where I am have the
> > postgis
> > > load/import tools in the pgadmin/sql interface. The rest of us can
> > download
> > > from sql and create new tables from other sql databases, but not
> > create a
> > > new table from a csv file.
> > >
> > > On Tue, Oct 15, 2019 at 1:11 PM Alex Mandel
> > <tech_...@wildintellect.com <mailto:tech_...@wildintellect.com>>
> > > wrote:
> > >
> > >> On 10/15/19 8:43 AM, argunaw . wrote:
> > >>> Hello Everyone,
> > >>>
> > >>> I have a csv file with a postgis "geometry" column. I've been
> > trying to
> > >>> import it in to R as a SF file, with the goal of exporting it to
> a
> > >> postgis
> > >>> database, but to no avail. I've used the following methods:
> > >>>
> > >>> 1. file <- st_read("name.csv", stringsAsFactors=F,
> > geometry_column=geom)
> > >>>
> > >>> 2. file <- fread("name.csv", headers=True)
> > >>> file <- st_as_sf(file)
> > >>>
> > >>> How can I import a csv with a postgis "geometry" column in to R
> as a
> > >>> spatial/SF object?
> > >>>
> > >>> [[alternative HTML version deleted]]
> > >>>
> > >>> _______________________________________________
> > >>> R-sig-Geo mailing list
> > >>> R-sig-Geo@r-project.org <mailto:R-sig-Geo@r-project.org>
> > >>> https://stat.ethz.ch/mailman/listinfo/r-sig-geo
> > >>>
> > >>
> > >> Can you paste an example somewhere, is it binary data or some
> kind of
> > >> plain text column? Do you know how it was exported from Postgis?
> > >>
> > >> If it's a dump from a postgis database did you try loading the
> table
> > >> directly to postgis with it's own load/import, or sql tools?
> > >>
> > >> Thanks,
> > >> Alex
> > >>
> > >
> > > [[alternative HTML version deleted]]
> > >
> > > _______________________________________________
> > > R-sig-Geo mailing list
> > > R-sig-Geo@r-project.org <mailto:R-sig-Geo@r-project.org>
> > > https://stat.ethz.ch/mailman/listinfo/r-sig-geo
> > >
> >
> > --
> > Edzer Pebesma
> > Institute for Geoinformatics
> > Heisenbergstrasse 2, 48151 Muenster, Germany
> > Phone: +49 251 8333081
> > _______________________________________________
> > R-sig-Geo mailing list
> > R-sig-Geo@r-project.org <mailto:R-sig-Geo@r-project.org>
> > https://stat.ethz.ch/mailman/listinfo/r-sig-geo
> >
>
> --
> Edzer Pebesma
> Institute for Geoinformatics
> Heisenbergstrasse 2, 48151 Muenster, Germany
> Phone: +49 251 8333081
>
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