{"action":"created","issue":{"url":"https://api.github.com/repos/geoadmin/mf-geoadmin3/issues/2872","labels_url":"https://api.github.com/repos/geoadmin/mf-geoadmin3/issues/2872/labels{/name}","comments_url":"https://api.github.com/repos/geoadmin/mf-geoadmin3/issues/2872/comments","events_url":"https://api.github.com/repos/geoadmin/mf-geoadmin3/issues/2872/events","html_url":"https://github.com/geoadmin/mf-geoadmin3/issues/2872","id":116593695,"number":2872,"title":"South west of switzerland is missing in 3d ","user":{"login":"oterral","id":621420,"avatar_url":"https://avatars.githubusercontent.com/u/621420?v=3","gravatar_id":"","url":"https://api.github.com/users/oterral","html_url":"https://github.com/oterral","followers_url":"https://api.github.com/users/oterral/followers","following_url":"https://api.github.com/users/oterral/following{/other_user}","gists_url":"https://api.github.com/users/oterral/gists{/gist_id}","starred_url":"https://api.github.com/users/oterral/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/oterral/subscriptions","organizations_url":"https://api.github.com/users/oterral/orgs","repos_url":"https://api.github.com/users/oterral/repos","events_url":"https://api.github.com/users/oterral/events{/privacy}","received_events_url":"https://api.github.com/users/oterral/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/geoadmin/mf-geoadmin3/labels/1st%20prio","name":"1st prio","color":"e11d21"},{"url":"https://api.github.com/repos/geoadmin/mf-geoadmin3/labels/3D","name":"3D","color":"5319e7"}],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":23,"created_at":"2015-11-12T17:04:34Z","updated_at":"2015-11-16T11:54:58Z","closed_at":null,"body":"https://mf-geoadmin3.dev.bgdi.ch/?lang=fr&topic=ech&bgLayer=ch.swisstopo.pixelkarte-farbe&dev3d=true&layers=ch.swisstopo.zeitreihen,ch.bfs.gebaeude_wohnungs_register,ch.bafu.wrz-wildruhezonen_portal,ch.swisstopo.swisstlm3d-wanderwege&layers_visibility=false,false,false,false&layers_timestamp=18641231,,,&lon=6.08960&lat=46.20285&elevation=18158&heading=4.306&pitch=-89.994"},"comment":{"url":"https://api.github.com/repos/geoadmin/mf-geoadmin3/issues/comments/157007719","html_url":"https://github.com/geoadmin/mf-geoadmin3/issues/2872#issuecomment-157007719","issue_url":"https://api.github.com/repos/geoadmin/mf-geoadmin3/issues/2872","id":157007719,"user":{"login":"oterral","id":621420,"avatar_url":"https://avatars.githubusercontent.com/u/621420?v=3","gravatar_id":"","url":"https://api.github.com/users/oterral","html_url":"https://github.com/oterral","followers_url":"https://api.github.com/users/oterral/followers","following_url":"https://api.github.com/users/oterral/following{/other_user}","gists_url":"https://api.github.com/users/oterral/gists{/gist_id}","starred_url":"https://api.github.com/users/oterral/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/oterral/subscriptions","organizations_url":"https://api.github.com/users/oterral/orgs","repos_url":"https://api.github.com/users/oterral/repos","events_url":"https://api.github.com/users/oterral/events{/privacy}","received_events_url":"https://api.github.com/users/oterral/received_events","type":"User","site_admin":false},"created_at":"2015-11-16T11:54:58Z","updated_at":"2015-11-16T11:54:58Z","body":"I think I understand what was the problem.\r\n\r\nFor example with the tile at the south east of geneva like.\r\n\r\nAt zoom level 8 the tile is displayed correctly, but the there is no terrain data on the major part of this tile.\r\nAt level 9, this tile is divided in four smaller tiles but, for the tile at the south west, there is no data available (this tile is excluded by the layer.json) so Cesium try to upsample this tile with terrain data from parent tile. The problem is that the parent tile is totally empty at the south-west , so the tile has still no terrain data to display, so the tile is defined as not renderable and finally if one of the four tiles at the level9 is not renderable  all the tiles are not rendered and the parent tile (level 8) is displayed.\r\n\r\nSo, since we have now terrain tiles fully filled (tile with the timestamp 20160101) we can close this bug."}}