[This article was first published on theBioBucket*, and kindly contributed to R-bloggers]. (You can report issue about the content on this page here)
Want to share your content on R-bloggers? click here if you have a blog, or here if you don't.
Here’s a function I use to download multiple zipped shapefiles from url and load them to the workspace:Want to share your content on R-bloggers? click here if you have a blog, or here if you don't.
URLs <- c("http://gis.tirol.gv.at/ogd/umwelt/wasser/wis_gew_pl.zip",
"http://gis.tirol.gv.at/ogd/umwelt/wasser/wis_tseepeicher_pl.zip")
url_shp_to_spdf <- function(URL) {
require(rgdal)
wd <- getwd()
td <- tempdir()
setwd(td)
temp <- tempfile(fileext = ".zip")
download.file(URL, temp)
unzip(temp)
shp <- dir(tempdir(), "*.shp$")
lyr <- sub(".shp$", "", shp)
y <- lapply(X = lyr, FUN = function(x) readOGR(dsn=shp, layer=lyr))
names(y) <- lyr
unlink(dir(td))
setwd(wd)
return(y)
}
y <- lapply(URLs, url_shp_to_spdf)
z <- unlist(unlist(y))
# finally use it:
plot(z[[1]])
To leave a comment for the author, please follow the link and comment on their blog: theBioBucket*.
R-bloggers.com offers daily e-mail updates about R news and tutorials about learning R and many other topics. Click here if you're looking to post or find an R/data-science job.
Want to share your content on R-bloggers? click here if you have a blog, or here if you don't.