On Tue, 16 Jun 2015, Erich Subscriptions wrote:
I just tried the same test on Ubuntu with all the latest packages and
had the same problem.
writeOGR does not work for GeoJSON
Yes it does, just read the driver page on OGR/GDAL:
http://www.gdal.org/drv_geojson.html
For GDAL 2.0.0RC2:
writeOGR(cities, paste(td, ".geojson", sep="/"), "OGRGeoJSON",
driver="GeoJSON")
writeOGR(cities, paste(td, "cities.geojson", sep="/"), "OGRGeoJSON",
driver="GeoJSON")
writeOGR(cities, paste(td, "cities.geojson", sep="/"), "cities",
driver="GeoJSON")
all work (the file name extension in the dsn= argument matters); note
that only:
writeOGR(cities, paste(td, ".geojson", sep="/"), "OGRGeoJSON",
driver="GeoJSON")
works in GDAL 1.11.2.
So until you have GDAL 2, the file name must be ".geojson" (nothing before
the dot), and probably the layer name must be "OGRGeoJSON".
Roger
cities <- readOGR(system.file("vectors", package = "rgdal")[1], "cities")
is.na(cities$POPULATION) <- cities$POPULATION == -99
summary(cities$POPULATION)
td <- "."
writeOGR(cities, td, "cities", driver="ESRI Shapefile") # this works
writeOGR(cities, td, "cities", driver="GeoJSON") # this fails
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Roger Bivand
Department of Economics, Norwegian School of Economics,
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