{"action":"created","issue":{"url":"https://api.github.com/repos/vega/vega-lite/issues/3544","repository_url":"https://api.github.com/repos/vega/vega-lite","labels_url":"https://api.github.com/repos/vega/vega-lite/issues/3544/labels{/name}","comments_url":"https://api.github.com/repos/vega/vega-lite/issues/3544/comments","events_url":"https://api.github.com/repos/vega/vega-lite/issues/3544/events","html_url":"https://github.com/vega/vega-lite/issues/3544","id":305361824,"number":3544,"title":"Problem with concatenation of more than two projected maps ","user":{"login":"jwoLondon","id":1846999,"avatar_url":"https://avatars2.githubusercontent.com/u/1846999?v=4","gravatar_id":"","url":"https://api.github.com/users/jwoLondon","html_url":"https://github.com/jwoLondon","followers_url":"https://api.github.com/users/jwoLondon/followers","following_url":"https://api.github.com/users/jwoLondon/following{/other_user}","gists_url":"https://api.github.com/users/jwoLondon/gists{/gist_id}","starred_url":"https://api.github.com/users/jwoLondon/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/jwoLondon/subscriptions","organizations_url":"https://api.github.com/users/jwoLondon/orgs","repos_url":"https://api.github.com/users/jwoLondon/repos","events_url":"https://api.github.com/users/jwoLondon/events{/privacy}","received_events_url":"https://api.github.com/users/jwoLondon/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2018-03-14T23:15:13Z","updated_at":"2018-04-12T16:00:33Z","closed_at":null,"author_association":"CONTRIBUTOR","body":"_(I know the team are already aware of this, but am documenting it as an issue to make tracking easier)_\r\n\r\nIf more than two projected maps are added to a concatenation, the third and any subsequent are not projected. The following minimal example shows the problem, noting that the three specs added to `hconcat` are identical.\r\n\r\n```javascript\r\n{\r\n  \"$schema\": \"https://vega.github.io/schema/vega-lite/v2.json\",\r\n  \"hconcat\": [\r\n    {\r\n      \"width\": 100,\r\n      \"height\": 100,\r\n      \"data\": {\r\n        \"url\": \"data/graticule.json\",\r\n        \"format\": { \"type\": \"topojson\", \"feature\": \"graticule\" }\r\n      },\r\n      \"projection\": { \"type\": \"orthographic\" },\r\n      \"mark\": { \"type\": \"geoshape\", \"filled\": false }\r\n    },\r\n     {\r\n      \"width\": 100,\r\n      \"height\": 100,\r\n      \"data\": {\r\n        \"url\": \"data/graticule.json\",\r\n        \"format\": { \"type\": \"topojson\", \"feature\": \"graticule\" }\r\n      },\r\n      \"projection\": { \"type\": \"orthographic\" },\r\n      \"mark\": { \"type\": \"geoshape\", \"filled\": false }\r\n    },\r\n     {\r\n      \"width\": 100,\r\n      \"height\": 100,\r\n      \"data\": {\r\n        \"url\": \"data/graticule.json\",\r\n        \"format\": { \"type\": \"topojson\", \"feature\": \"graticule\" }\r\n      },\r\n      \"projection\": { \"type\": \"orthographic\" },\r\n      \"mark\": { \"type\": \"geoshape\", \"filled\": false }\r\n    }\r\n  ]\r\n}\r\n```\r\n\r\n<img width=\"606\" alt=\"screen shot 2018-03-14 at 23 11 43\" src=\"https://user-images.githubusercontent.com/1846999/37435888-24044efe-27dd-11e8-829c-f456384e18b5.png\">"},"comment":{"url":"https://api.github.com/repos/vega/vega-lite/issues/comments/380856807","html_url":"https://github.com/vega/vega-lite/issues/3544#issuecomment-380856807","issue_url":"https://api.github.com/repos/vega/vega-lite/issues/3544","id":380856807,"user":{"login":"jakevdp","id":781659,"avatar_url":"https://avatars0.githubusercontent.com/u/781659?v=4","gravatar_id":"","url":"https://api.github.com/users/jakevdp","html_url":"https://github.com/jakevdp","followers_url":"https://api.github.com/users/jakevdp/followers","following_url":"https://api.github.com/users/jakevdp/following{/other_user}","gists_url":"https://api.github.com/users/jakevdp/gists{/gist_id}","starred_url":"https://api.github.com/users/jakevdp/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/jakevdp/subscriptions","organizations_url":"https://api.github.com/users/jakevdp/orgs","repos_url":"https://api.github.com/users/jakevdp/repos","events_url":"https://api.github.com/users/jakevdp/events{/privacy}","received_events_url":"https://api.github.com/users/jakevdp/received_events","type":"User","site_admin":false},"created_at":"2018-04-12T16:00:33Z","updated_at":"2018-04-12T16:00:33Z","author_association":"COLLABORATOR","body":"I ran into this today as well."}}
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