{"action":"created","issue":{"url":"https://api.github.com/repos/proj4-bot/proj.4/issues/18","labels_url":"https://api.github.com/repos/proj4-bot/proj.4/issues/18/labels{/name}","comments_url":"https://api.github.com/repos/proj4-bot/proj.4/issues/18/comments","events_url":"https://api.github.com/repos/proj4-bot/proj.4/issues/18/events","html_url":"https://github.com/proj4-bot/proj.4/issues/18","id":79310134,"number":18,"title":"lack of support for South African projections","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/proj4-bot/proj.4/labels/bug","name":"bug","color":"fc2929"},{"url":"https://api.github.com/repos/proj4-bot/proj.4/labels/C:%20default","name":"C: default","color":"0000aa"},{"url":"https://api.github.com/repos/proj4-bot/proj.4/labels/P:%20major","name":"P: major","color":"f6f6f6"}],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":4,"created_at":"2015-05-22T06:10:34Z","updated_at":"2015-05-22T06:10:43Z","closed_at":null,"body":"**Reported by gfleming on 17 Oct 2008 08:59 UTC**\nSouth African Coordinate System zone xx (EPSG odd numbers from 22275 - 22293)\r\n\r\nand\r\n\r\nHartebeesthoek94/ Loxx (EPSG 2046 - 2055) \r\n\r\nare not supported / do not have standard definitions in proj4. South Africa users of proj4, QGIS, PostGIS and others are thus crippled.\r\n\r\nAttached are the WKT and PROJ4 definitions as csvs from PostGIS spatial_ref_sys.\r\n\r\nSA Hartebeesthoek datum.csv:\r\n\r\n4148 is fine - that's the fundamental GEOGCS. The rest have default, invalid proj4 definitions, except for 2054 (the last one) where I have attempted a proj4 definition but I dont think its quite right - it doesn't work.\r\n\r\nSA Cape datum.csv:\r\n\r\nThe proj4 definitions for the SA Cape datum projections are INCOMPLETE. They only include the datum specs, not the projection or central meridian or other parameters. \r\n\r\nApparently the problem is that proj4 does not support 'transverse_mercator_south_orientated'?\n\nMigrated-From: https://trac.osgeo.org/proj/ticket/18"},"comment":{"url":"https://api.github.com/repos/proj4-bot/proj.4/issues/comments/104532621","html_url":"https://github.com/proj4-bot/proj.4/issues/18#issuecomment-104532621","issue_url":"https://api.github.com/repos/proj4-bot/proj.4/issues/18","id":104532621,"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},"created_at":"2015-05-22T06:10:43Z","updated_at":"2015-05-22T06:10:43Z","body":"**Comment by warmerdam on 1 Mar 2010 21:07 UTC**\nAccording to the EPSG guidance notes on transverse mercator south orientated the false easting and false northing effectively become a false westing and false southing however this is not reflected in the current approach to support TMSO.  \r\n\r\nHowever, EPSG PCSs using TMSO (2046-2055, 22275-22293, and 29371-29385) all seem to use a false easting and northing of zero so the issue does not have an effect.  If there is an issue we need to ensure that TMSO translation to proj=tmerc for proj.4 also negate the fe/fn values which it does not do now.\r\n"}}