{"action":"created","issue":{"url":"https://api.github.com/repos/AnalyticalGraphicsInc/cesium/issues/3869","repository_url":"https://api.github.com/repos/AnalyticalGraphicsInc/cesium","labels_url":"https://api.github.com/repos/AnalyticalGraphicsInc/cesium/issues/3869/labels{/name}","comments_url":"https://api.github.com/repos/AnalyticalGraphicsInc/cesium/issues/3869/comments","events_url":"https://api.github.com/repos/AnalyticalGraphicsInc/cesium/issues/3869/events","html_url":"https://github.com/AnalyticalGraphicsInc/cesium/pull/3869","id":149814426,"number":3869,"title":"Fix PolygonGeometry when height equals extrudedHeight","user":{"login":"mramato","id":1495196,"avatar_url":"https://avatars.githubusercontent.com/u/1495196?v=3","gravatar_id":"","url":"https://api.github.com/users/mramato","html_url":"https://github.com/mramato","followers_url":"https://api.github.com/users/mramato/followers","following_url":"https://api.github.com/users/mramato/following{/other_user}","gists_url":"https://api.github.com/users/mramato/gists{/gist_id}","starred_url":"https://api.github.com/users/mramato/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/mramato/subscriptions","organizations_url":"https://api.github.com/users/mramato/orgs","repos_url":"https://api.github.com/users/mramato/repos","events_url":"https://api.github.com/users/mramato/events{/privacy}","received_events_url":"https://api.github.com/users/mramato/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":3,"created_at":"2016-04-20T16:08:30Z","updated_at":"2016-04-20T21:04:51Z","closed_at":null,"pull_request":{"url":"https://api.github.com/repos/AnalyticalGraphicsInc/cesium/pulls/3869","html_url":"https://github.com/AnalyticalGraphicsInc/cesium/pull/3869","diff_url":"https://github.com/AnalyticalGraphicsInc/cesium/pull/3869.diff","patch_url":"https://github.com/AnalyticalGraphicsInc/cesium/pull/3869.patch"},"body":"We were trying to create an extrusion of height 0; which produced NaNs in the normals (because normalize calls were producing NaN). Now we just compare them and consider them equal at epsilon 10, which was determined experimentally."},"comment":{"url":"https://api.github.com/repos/AnalyticalGraphicsInc/cesium/issues/comments/212605500","html_url":"https://github.com/AnalyticalGraphicsInc/cesium/pull/3869#issuecomment-212605500","issue_url":"https://api.github.com/repos/AnalyticalGraphicsInc/cesium/issues/3869","id":212605500,"user":{"login":"hpinkos","id":3451886,"avatar_url":"https://avatars.githubusercontent.com/u/3451886?v=3","gravatar_id":"","url":"https://api.github.com/users/hpinkos","html_url":"https://github.com/hpinkos","followers_url":"https://api.github.com/users/hpinkos/followers","following_url":"https://api.github.com/users/hpinkos/following{/other_user}","gists_url":"https://api.github.com/users/hpinkos/gists{/gist_id}","starred_url":"https://api.github.com/users/hpinkos/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/hpinkos/subscriptions","organizations_url":"https://api.github.com/users/hpinkos/orgs","repos_url":"https://api.github.com/users/hpinkos/repos","events_url":"https://api.github.com/users/hpinkos/events{/privacy}","received_events_url":"https://api.github.com/users/hpinkos/received_events","type":"User","site_admin":false},"created_at":"2016-04-20T21:04:51Z","updated_at":"2016-04-20T21:04:51Z","body":"Looks good, thanks @mramato!"}}