Capture a live GeoLibre map as a PNG

The reply arrives on input$id_result with a value holding a data:image/png;base64,... URL. Strip the prefix up to the comma and pass the rest to jsonlite::base64_dec() to recover the PNG bytes.

Usage

geolibre_to_image(proxy, request_id = NULL)

Arguments

proxy

A GeoLibre proxy created by geolibre_proxy().

request_id

Optional id echoed back with the reply.

Value

The proxy, invisibly.

Examples

if (interactive() && requireNamespace("shiny", quietly = TRUE)) {
  geolibre_to_image(geolibre_proxy("map"))
}