{"action":"closed","issue":{"url":"https://api.github.com/repos/OSGeo/proj.4/issues/181","repository_url":"https://api.github.com/repos/OSGeo/proj.4","labels_url":"https://api.github.com/repos/OSGeo/proj.4/issues/181/labels{/name}","comments_url":"https://api.github.com/repos/OSGeo/proj.4/issues/181/comments","events_url":"https://api.github.com/repos/OSGeo/proj.4/issues/181/events","html_url":"https://github.com/OSGeo/proj.4/issues/181","id":79336379,"number":181,"title":"about custom coordinate reference define","user":{"login":"proj4-bot","id":12542084,"avatar_url":"https://avatars.githubusercontent.com/u/12542084?v=3","gravatar_id":"","url":"https://api.github.com/users/proj4-bot","html_url":"https://github.com/proj4-bot","followers_url":"https://api.github.com/users/proj4-bot/followers","following_url":"https://api.github.com/users/proj4-bot/following{/other_user}","gists_url":"https://api.github.com/users/proj4-bot/gists{/gist_id}","starred_url":"https://api.github.com/users/proj4-bot/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/proj4-bot/subscriptions","organizations_url":"https://api.github.com/users/proj4-bot/orgs","repos_url":"https://api.github.com/users/proj4-bot/repos","events_url":"https://api.github.com/users/proj4-bot/events{/privacy}","received_events_url":"https://api.github.com/users/proj4-bot/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/OSGeo/proj.4/labels/question","name":"question","color":"cc317c"}],"state":"closed","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2015-05-22T07:40:44Z","updated_at":"2016-10-17T15:27:15Z","closed_at":"2016-10-17T15:27:15Z","body":"**Reported by xuebz on 21 Jul 2012 02:57 UTC**\n1.the coordinate define information\r\nAin_el_Abd_UTM_Zone_39N\r\n      Datum: D_Ain_el_Abd_1970\r\n      Spheroid: International_1924\r\n      Semimajor Axis: 6378388.000000000000000000\r\n      Semiminor Axis: 6356911.946127946500000000\r\n      Inverse Flattening: 297.000000000000000000\r\n      \r\n      projection TM\r\n      False_Easting: 500000m\r\n      False_Northing: 0\r\n      Central_meridian: 51\r\n      Scale_Factor: 0.9996\r\n      Latitude_Of_Origin: 0\r\n\r\n     7 paramsInternational1924 to WGS84\r\n      DX: -179.466m  \r\n      DY: -207.757m   \r\n      DZ: -54.446m     \r\n      RX: -2.597705    \r\n      RY: -0.286553    \r\n      RZ: 0.842709     \r\n      Scale: 1.0000058\r\n\r\n2the proj4 that I define\r\n+proj=utm +zone=39 +ellps=intl +towgs84=-179.466,-207.757,-54.446,-2.597705,-0.286553,0.842709,1.0000058 +units=m +no_defs\r\n\r\n3.the WGS84 point:\r\nWGS84 Latitude:25.82938291\r\nWGS84 Longitude:49.48344416\r\nWGS84 Height:130.2963\r\n\r\n4the point should be:\r\nLocal Easting:348037.4735\r\nLocal Northing:2857650.005\r\n\r\n5.but the point I convert it is:\r\nLocal Easting:347940.7915\r\nLocal Northing:2857761.6671\r\n\r\n6.what is wrong with me?\n\nMigrated-From: https://trac.osgeo.org/proj/ticket/181"}}
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