{"action":"created","issue":{"url":"https://api.github.com/repos/OpenDroneMap/OpenDroneMap/issues/144","labels_url":"https://api.github.com/repos/OpenDroneMap/OpenDroneMap/issues/144/labels{/name}","comments_url":"https://api.github.com/repos/OpenDroneMap/OpenDroneMap/issues/144/comments","events_url":"https://api.github.com/repos/OpenDroneMap/OpenDroneMap/issues/144/events","html_url":"https://github.com/OpenDroneMap/OpenDroneMap/issues/144","id":99929089,"number":144,"title":"Georeferencing Orthophoto","user":{"login":"dbrgn","id":105168,"avatar_url":"https://avatars.githubusercontent.com/u/105168?v=3","gravatar_id":"","url":"https://api.github.com/users/dbrgn","html_url":"https://github.com/dbrgn","followers_url":"https://api.github.com/users/dbrgn/followers","following_url":"https://api.github.com/users/dbrgn/following{/other_user}","gists_url":"https://api.github.com/users/dbrgn/gists{/gist_id}","starred_url":"https://api.github.com/users/dbrgn/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/dbrgn/subscriptions","organizations_url":"https://api.github.com/users/dbrgn/orgs","repos_url":"https://api.github.com/users/dbrgn/repos","events_url":"https://api.github.com/users/dbrgn/events{/privacy}","received_events_url":"https://api.github.com/users/dbrgn/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":1,"created_at":"2015-08-09T21:06:37Z","updated_at":"2015-08-13T19:23:47Z","closed_at":null,"body":"I'm using a dataset with embedded GPS coordinates. When generating the orthophoto, it is orthorectified, but I cannot find any georeferencing properties in the resulting PNG image:\r\n\r\n```\r\n$ identify -verbose odm_orthphoto.png\r\n...\r\n  Properties:\r\n    date:create: 2015-08-09T04:37:17+02:00\r\n    date:modify: 2015-08-09T04:37:17+02:00\r\n    png:IHDR.bit-depth-orig: 8\r\n    png:IHDR.bit_depth: 8\r\n    png:IHDR.color-type-orig: 2\r\n    png:IHDR.color_type: 2 (Truecolor)\r\n    png:IHDR.interlace_method: 0 (Not interlaced)\r\n    png:IHDR.width,height: 14236, 14143\r\n    png:sRGB: intent=0 (Perceptual Intent)\r\n    signature: a2e742831752696568b1b967d075768b9fff172cc6c8f3630de8dacbc034e6b2\r\n```\r\n\r\nIs this only supported with GCPs? Shouldn't this also be possible with coordinates embedded in the metadata?"},"comment":{"url":"https://api.github.com/repos/OpenDroneMap/OpenDroneMap/issues/comments/130810923","html_url":"https://github.com/OpenDroneMap/OpenDroneMap/issues/144#issuecomment-130810923","issue_url":"https://api.github.com/repos/OpenDroneMap/OpenDroneMap/issues/144","id":130810923,"user":{"login":"smathermather","id":1174901,"avatar_url":"https://avatars.githubusercontent.com/u/1174901?v=3","gravatar_id":"","url":"https://api.github.com/users/smathermather","html_url":"https://github.com/smathermather","followers_url":"https://api.github.com/users/smathermather/followers","following_url":"https://api.github.com/users/smathermather/following{/other_user}","gists_url":"https://api.github.com/users/smathermather/gists{/gist_id}","starred_url":"https://api.github.com/users/smathermather/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/smathermather/subscriptions","organizations_url":"https://api.github.com/users/smathermather/orgs","repos_url":"https://api.github.com/users/smathermather/repos","events_url":"https://api.github.com/users/smathermather/events{/privacy}","received_events_url":"https://api.github.com/users/smathermather/received_events","type":"User","site_admin":false},"created_at":"2015-08-13T19:23:47Z","updated_at":"2015-08-13T19:23:47Z","body":"Hi, sorry for the delay. Yes, that is the expected (albeit not ideal behavior). We should have an update soon (this month) that will:\r\n\r\n1. Take a proj4 input\r\n2. Output an orthorectified and georeferenced geotiff\r\n\r\nIn the mean time, the image is orthorectified, but not georeferenced."}}