{"action":"opened","issue":{"url":"https://api.github.com/repos/CartoDB/cartodb/issues/4518","labels_url":"https://api.github.com/repos/CartoDB/cartodb/issues/4518/labels{/name}","comments_url":"https://api.github.com/repos/CartoDB/cartodb/issues/4518/comments","events_url":"https://api.github.com/repos/CartoDB/cartodb/issues/4518/events","html_url":"https://github.com/CartoDB/cartodb/issues/4518","id":95619371,"number":4518,"title":"Choropleth maps with null values are drawn as '0'","user":{"login":"iriberri","id":1730320,"avatar_url":"https://avatars.githubusercontent.com/u/1730320?v=3","gravatar_id":"","url":"https://api.github.com/users/iriberri","html_url":"https://github.com/iriberri","followers_url":"https://api.github.com/users/iriberri/followers","following_url":"https://api.github.com/users/iriberri/following{/other_user}","gists_url":"https://api.github.com/users/iriberri/gists{/gist_id}","starred_url":"https://api.github.com/users/iriberri/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/iriberri/subscriptions","organizations_url":"https://api.github.com/users/iriberri/orgs","repos_url":"https://api.github.com/users/iriberri/repos","events_url":"https://api.github.com/users/iriberri/events{/privacy}","received_events_url":"https://api.github.com/users/iriberri/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/CartoDB/cartodb/labels/pecan","name":"pecan","color":"bfe5bf"}],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2015-07-17T09:11:41Z","updated_at":"2015-07-17T09:11:41Z","closed_at":null,"body":"If you have a table with, for example, percentages for the countries but some certain rows contain null values (perhaps because there's no data for that country, very typical scenario) a choropleth map will draw the null geometries as if they were a 0.\r\n\r\nI think it could be interesting to take this into account because obviously in a map it's not the same that a country has a 0 value that the fact that there's no data for that country.\r\n\r\nIt seems that this is something that comes from the low part of the stack (CartoCSS? mapnik?) and not something that we are doing thoroughly.\r\n\r\nVery #pecan related, I'd say :-)\r\n\r\ncc @javierarce @javisantana "}}