{"action":"created","issue":{"url":"https://api.github.com/repos/PX4/Firmware/issues/6957","repository_url":"https://api.github.com/repos/PX4/Firmware","labels_url":"https://api.github.com/repos/PX4/Firmware/issues/6957/labels{/name}","comments_url":"https://api.github.com/repos/PX4/Firmware/issues/6957/comments","events_url":"https://api.github.com/repos/PX4/Firmware/issues/6957/events","html_url":"https://github.com/PX4/Firmware/issues/6957","id":218735747,"number":6957,"title":"PX4FLOW LPE not working: Z is reversed","user":{"login":"tomatac","id":15964070,"avatar_url":"https://avatars0.githubusercontent.com/u/15964070?v=3","gravatar_id":"","url":"https://api.github.com/users/tomatac","html_url":"https://github.com/tomatac","followers_url":"https://api.github.com/users/tomatac/followers","following_url":"https://api.github.com/users/tomatac/following{/other_user}","gists_url":"https://api.github.com/users/tomatac/gists{/gist_id}","starred_url":"https://api.github.com/users/tomatac/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/tomatac/subscriptions","organizations_url":"https://api.github.com/users/tomatac/orgs","repos_url":"https://api.github.com/users/tomatac/repos","events_url":"https://api.github.com/users/tomatac/events{/privacy}","received_events_url":"https://api.github.com/users/tomatac/received_events","type":"User","site_admin":false},"labels":[{"id":10884838,"url":"https://api.github.com/repos/PX4/Firmware/labels/bug","name":"bug","color":"fc2929","default":true}],"state":"closed","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":49,"created_at":"2017-04-02T01:58:46Z","updated_at":"2017-04-28T16:20:48Z","closed_at":"2017-04-28T16:20:48Z","body":"I am trying to get a stable position estimation using only PX4FLOW but it looks like the Z axis is reversed. \r\n\"M1:OPTICAL_FLOW_RAD.distance\" is very stable around 1 m (based on sonar)\r\n\"M1:LOCAL_POSITION_NED.z\" variation is reversed relative to \"M1:OPTICAL_FLOW_RAD.distance\". See the graph below.\r\n![image](https://cloud.githubusercontent.com/assets/15964070/24583839/f5816f44-170c-11e7-96a9-72ecb1f8f061.png)\r\n\r\nM1:OPTICAL_FLOW_RAD.quality is around 250\r\nLPE_FUSION is 162\r\nI also tried LPE_FUSION = 34 (no baro) and \"M1:LOCAL_POSITION_NED.z\" stays close to zero.\r\nFirmware version 1.6.0 rc\r\nSee also parameters file attached\r\n[PX4_param_4-1_params.txt](https://github.com/PX4/Firmware/files/888152/PX4_param_4-1_params.txt)\r\n"},"comment":{"url":"https://api.github.com/repos/PX4/Firmware/issues/comments/298042449","html_url":"https://github.com/PX4/Firmware/issues/6957#issuecomment-298042449","issue_url":"https://api.github.com/repos/PX4/Firmware/issues/6957","id":298042449,"user":{"login":"jgoppert","id":473772,"avatar_url":"https://avatars2.githubusercontent.com/u/473772?v=3","gravatar_id":"","url":"https://api.github.com/users/jgoppert","html_url":"https://github.com/jgoppert","followers_url":"https://api.github.com/users/jgoppert/followers","following_url":"https://api.github.com/users/jgoppert/following{/other_user}","gists_url":"https://api.github.com/users/jgoppert/gists{/gist_id}","starred_url":"https://api.github.com/users/jgoppert/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/jgoppert/subscriptions","organizations_url":"https://api.github.com/users/jgoppert/orgs","repos_url":"https://api.github.com/users/jgoppert/repos","events_url":"https://api.github.com/users/jgoppert/events{/privacy}","received_events_url":"https://api.github.com/users/jgoppert/received_events","type":"User","site_admin":false},"created_at":"2017-04-28T16:20:48Z","updated_at":"2017-04-28T16:20:48Z","body":"Let's close this and move to http://discuss.px4.io/"}}
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