{"action":"created","issue":{"url":"https://api.github.com/repos/Ghini/ghini.web/issues/12","repository_url":"https://api.github.com/repos/Ghini/ghini.web","labels_url":"https://api.github.com/repos/Ghini/ghini.web/issues/12/labels{/name}","comments_url":"https://api.github.com/repos/Ghini/ghini.web/issues/12/comments","events_url":"https://api.github.com/repos/Ghini/ghini.web/issues/12/events","html_url":"https://github.com/Ghini/ghini.web/issues/12","id":194363586,"number":12,"title":"produce tiles at higher resolution","user":{"login":"mfrasca","id":122869,"avatar_url":"https://avatars.githubusercontent.com/u/122869?v=3","gravatar_id":"","url":"https://api.github.com/users/mfrasca","html_url":"https://github.com/mfrasca","followers_url":"https://api.github.com/users/mfrasca/followers","following_url":"https://api.github.com/users/mfrasca/following{/other_user}","gists_url":"https://api.github.com/users/mfrasca/gists{/gist_id}","starred_url":"https://api.github.com/users/mfrasca/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/mfrasca/subscriptions","organizations_url":"https://api.github.com/users/mfrasca/orgs","repos_url":"https://api.github.com/users/mfrasca/repos","events_url":"https://api.github.com/users/mfrasca/events{/privacy}","received_events_url":"https://api.github.com/users/mfrasca/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":1,"created_at":"2016-12-08T15:24:04Z","updated_at":"2016-12-08T15:53:20Z","closed_at":null,"body":"we can rely on openstreetmap.org and openstreetmap.fr for tiles up to zoom 19 or 20, but for deeper zoom levels, we need keep our own tiles. for the cuchubo prototype we used to reach zoom 22, and we produced that from a very high resolution map of the garden, but I did not put the script under version control so I don't know any more.\r\nI think I was using a svg image, and the imagemagick suite."},"comment":{"url":"https://api.github.com/repos/Ghini/ghini.web/issues/comments/265774682","html_url":"https://github.com/Ghini/ghini.web/issues/12#issuecomment-265774682","issue_url":"https://api.github.com/repos/Ghini/ghini.web/issues/12","id":265774682,"user":{"login":"mfrasca","id":122869,"avatar_url":"https://avatars.githubusercontent.com/u/122869?v=3","gravatar_id":"","url":"https://api.github.com/users/mfrasca","html_url":"https://github.com/mfrasca","followers_url":"https://api.github.com/users/mfrasca/followers","following_url":"https://api.github.com/users/mfrasca/following{/other_user}","gists_url":"https://api.github.com/users/mfrasca/gists{/gist_id}","starred_url":"https://api.github.com/users/mfrasca/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/mfrasca/subscriptions","organizations_url":"https://api.github.com/users/mfrasca/orgs","repos_url":"https://api.github.com/users/mfrasca/repos","events_url":"https://api.github.com/users/mfrasca/events{/privacy}","received_events_url":"https://api.github.com/users/mfrasca/received_events","type":"User","site_admin":false},"created_at":"2016-12-08T15:53:20Z","updated_at":"2016-12-08T15:53:20Z","body":"just for the very most urgent time being, work on this:\r\n```bash\r\nz=8\r\nx=74\r\ny=124\r\n# file is at $z-$x-$y.png\r\nfor dx in 0 1\r\n  do for dy in 0 1\r\n     do \r\n       convert ${z}-${x}-${y}.png -scale 512x512 \\\r\n               -crop 256x256+$(( dx * 256 ))+$(( dy * 256 )) \r\n               $(( z + 1 ))-$(( x * 2 + dx ))-$(( y * 2 + dy )).png\r\n    done\r\n  done\r\n```"}}
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