{"action":"opened","issue":{"url":"https://api.github.com/repos/ArduPilot/ardupilot/issues/5232","repository_url":"https://api.github.com/repos/ArduPilot/ardupilot","labels_url":"https://api.github.com/repos/ArduPilot/ardupilot/issues/5232/labels{/name}","comments_url":"https://api.github.com/repos/ArduPilot/ardupilot/issues/5232/comments","events_url":"https://api.github.com/repos/ArduPilot/ardupilot/issues/5232/events","html_url":"https://github.com/ArduPilot/ardupilot/issues/5232","id":190109796,"number":5232,"title":"AC_Precland: Missing formula for the distortion correction","user":{"login":"Code-Tester","id":23284946,"avatar_url":"https://avatars.githubusercontent.com/u/23284946?v=3","gravatar_id":"","url":"https://api.github.com/users/Code-Tester","html_url":"https://github.com/Code-Tester","followers_url":"https://api.github.com/users/Code-Tester/followers","following_url":"https://api.github.com/users/Code-Tester/following{/other_user}","gists_url":"https://api.github.com/users/Code-Tester/gists{/gist_id}","starred_url":"https://api.github.com/users/Code-Tester/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/Code-Tester/subscriptions","organizations_url":"https://api.github.com/users/Code-Tester/orgs","repos_url":"https://api.github.com/users/Code-Tester/repos","events_url":"https://api.github.com/users/Code-Tester/events{/privacy}","received_events_url":"https://api.github.com/users/Code-Tester/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2016-11-17T17:21:16Z","updated_at":"2016-11-17T17:21:16Z","closed_at":null,"body":"#### Issue details\r\nThe formula for the distortion correction is missing as a comment over the line 72 in the irlock.ccp\r\n\r\nI think it is necesary to know the exact math formula for the define \"IRLOCK_PIXEL_POS_TO_1M_PLANE_POS\". Please add it.\r\n\r\nPerhaps somebody want's to recalibrate the sensor or try out other lenses. \r\n\r\nThanks in advance.\r\n\r\n#### Version\r\nArduCopter V3.4.2\r\n\r\n#### Platform\r\n[  ] All\r\n[  ] AntennaTracker\r\n[x] Copter\r\n[  ] Plane\r\n[  ] Rover\r\n\r\n#### Airframe type\r\nall\r\n\r\n#### Hardware type\r\nPixhawk\r\n\r\n#### Logs\r\nno\r\n\r\n"}}
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