How to highlight several countries using Google Chart API by country code? -
i have simple request selects country on map code (e.g. fr france) in google chart:
i know can extended selecting several countries cannot construct proper request. can give example of how (e.g. highlighting fr , it)?
i think got syntax more or less:
so 1 should use "|" separate countries , provide enough color using alphanumeric encoding (1 char per country)