#' Get geometry type
#'
#' @export
#' @param x input, an object of class \code{geojson}
#' @examples
#' geo_type(point('{ "type": "Point", "coordinates": [100.0, 0.0] }'))
#'
#' x <- '{ "type": "Polygon",
#' "coordinates": [
#' [ [100.0, 0.0], [100.0, 1.0], [101.0, 1.0], [101.0, 0.0], [100.0, 0.0] ]
#' ]
#' }'
#' poly <- polygon(x)
#'
#' geo_type(poly)
geo_type <- function(x) {
UseMethod("geo_type")
}
#' @export
geo_type.default <- function(x) {
stop("no 'geo_type' method for ", class(x)[1L], call. = FALSE)
}
#' @export
geo_type.geojson <- function(x) {
cchar(jqr::jq(unclass(x), ".type"))
}
#' @export
geo_type.geometrycollection <- function(x) {
cchar(unclass(jqr::jq(unclass(x), ".geometries[].type")))
}
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.