...: Further args passed on to sf::st_read(). Can use any args from sf::st_read() except quiet, which we have set as quiet = TRUE
internally already
Returns
an object of class sf/data.frame
Details
Returns a sf class, but you can easily and quickly get this to geojson, see examples.
Note that this does not give you Topojson, but gives you a sf
class - which you can use then to turn it into geojson as a list or json
Examples
## Not run:# From a filefile <- system.file("examples","us_states.topojson", package ="geojsonio")topojson_read(file)# From a URLurl <-"https://raw.githubusercontent.com/shawnbot/d3-cartogram/master/data/us-states.topojson"topojson_read(url)# Use as.location first if you wanttopojson_read(as.location(file))# quickly convert to geojson as a listfile <- system.file("examples","us_states.topojson", package ="geojsonio")tmp <- topojson_read(file)geojson_list(tmp)geojson_json(tmp)# pass on argstopojson_read(file, quiet =TRUE)topojson_read(file, stringsAsFactors =FALSE)## End(Not run)