Nothing
f = "inst/sampleData/usaPolygons.as"
# The idea here is to customize the reading by pre-allocating space.
readArray =
function(type, val) {
# if(type)
}
# fromJSON(f, )
Any scripts or data that you put into this service are public.
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.