{"action":"created","issue":{"url":"https://api.github.com/repos/usbr/Pisces/issues/60","repository_url":"https://api.github.com/repos/usbr/Pisces","labels_url":"https://api.github.com/repos/usbr/Pisces/issues/60/labels{/name}","comments_url":"https://api.github.com/repos/usbr/Pisces/issues/60/comments","events_url":"https://api.github.com/repos/usbr/Pisces/issues/60/events","html_url":"https://github.com/usbr/Pisces/issues/60","id":157554117,"number":60,"title":"Develop rating tables feature 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development of rating table by adding measurement points and selecting which points are used to develop the curve.  \r\n\r\nkey features:\r\n\r\n* Store measurements\r\n* Save selected measurements\r\n* Save equation type and associated data  (Logarithmic interpolation, polynomial )\r\n* Generate tabular table with stage varying a 0.01 feet increments.\r\n\r\n\r\n![rating_curve_usgs](https://cloud.githubusercontent.com/assets/4818531/15657707/973ef18c-2670-11e6-97a6-a045090e8332.jpg)\r\n\r\nImage above is from the USGS:\r\n [USGS Discharge Ratings at Gauging Stations ](http://pubs.usgs.gov/twri/twri3-a10/pdf/TWRI_3-A10.pdf)\r\n\r\nA good starting point is the Hydrography Application -- It imports different types of flow measurements and is used to develop rating tables.  It uses polynomial equations which might not be helpful  in natural channels so Logarithmic equations will need to be added.   \r\n\r\nI've put a few screen shots of the Hydrography application in the wiki:\r\n[Rating Table development](https://github.com/usbr/Pisces/wiki/rating-tables)\r\n\r\n\r\n"},"comment":{"url":"https://api.github.com/repos/usbr/Pisces/issues/comments/237312914","html_url":"https://github.com/usbr/Pisces/issues/60#issuecomment-237312914","issue_url":"https://api.github.com/repos/usbr/Pisces/issues/60","id":237312914,"user":{"login":"tjrocha","id":8174126,"avatar_url":"https://avatars.githubusercontent.com/u/8174126?v=3","gravatar_id":"","url":"https://api.github.com/users/tjrocha","html_url":"https://github.com/tjrocha","followers_url":"https://api.github.com/users/tjrocha/followers","following_url":"https://api.github.com/users/tjrocha/following{/other_user}","gists_url":"https://api.github.com/users/tjrocha/gists{/gist_id}","starred_url":"https://api.github.com/users/tjrocha/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/tjrocha/subscriptions","organizations_url":"https://api.github.com/users/tjrocha/orgs","repos_url":"https://api.github.com/users/tjrocha/repos","events_url":"https://api.github.com/users/tjrocha/events{/privacy}","received_events_url":"https://api.github.com/users/tjrocha/received_events","type":"User","site_admin":false},"created_at":"2016-08-03T17:46:57Z","updated_at":"2016-08-03T17:46:57Z","body":"Added capability to generate log scale regression lines via 16db9efe9d374784b023ba70fcd915dba99ca871. also switched axes back per @ktarbet.\r\n\r\n![picture1](https://cloud.githubusercontent.com/assets/8174126/17375832/960d6c74-5967-11e6-9092-ae0ae1a8612f.png)\r\n"}}
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