{"action":"created","issue":{"url":"https://api.github.com/repos/scivision/georinex/issues/22","repository_url":"https://api.github.com/repos/scivision/georinex","labels_url":"https://api.github.com/repos/scivision/georinex/issues/22/labels{/name}","comments_url":"https://api.github.com/repos/scivision/georinex/issues/22/comments","events_url":"https://api.github.com/repos/scivision/georinex/issues/22/events","html_url":"https://github.com/scivision/georinex/issues/22","id":347960396,"node_id":"MDU6SXNzdWUzNDc5NjAzOTY=","number":22,"title":"Proposal: Add use option also for three character observation type","user":{"login":"VOMAY","id":32896877,"node_id":"MDQ6VXNlcjMyODk2ODc3","avatar_url":"https://avatars2.githubusercontent.com/u/32896877?v=4","gravatar_id":"","url":"https://api.github.com/users/VOMAY","html_url":"https://github.com/VOMAY","followers_url":"https://api.github.com/users/VOMAY/followers","following_url":"https://api.github.com/users/VOMAY/following{/other_user}","gists_url":"https://api.github.com/users/VOMAY/gists{/gist_id}","starred_url":"https://api.github.com/users/VOMAY/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/VOMAY/subscriptions","organizations_url":"https://api.github.com/users/VOMAY/orgs","repos_url":"https://api.github.com/users/VOMAY/repos","events_url":"https://api.github.com/users/VOMAY/events{/privacy}","received_events_url":"https://api.github.com/users/VOMAY/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":4,"created_at":"2018-08-06T14:59:33Z","updated_at":"2018-08-06T18:20:00Z","closed_at":null,"author_association":"NONE","body":"Dear Scivision,\r\n\r\nI can confirm that your effort to speed up the parsing, by making the indicators optional, was successful.\r\n\r\nUnfortunately, the parsing is still a bit slow. I have another proposal to speed it up:\r\n\r\nThe **use** argument is very useful to speed up the parsing, by selecting only the constellations/satellites you want. Especially ignoring the GEOs makes a big different, since they are recorded every single epoch. How do you feel about adding an option to allow a similar selection for the signal types? \r\n\r\nHere is an example of what I would like to do:\r\n\r\n``` python\r\n#Only read Galileo E1 Code\r\ngr.readrinex('test.rnx', use='E', signal='C1C')\r\n\r\n#Read all code and phase observations of all constellations but GEOs\r\ngr.readrinex('test.rnx', use=['E', 'G', 'C', 'R', 'J'], signal=['C', 'L'] )\r\n```\r\nI am convinced the potential time saving is substantial. \r\n\r\nImplementing this, one may consider changing the **use** keyword, since it is not unambiguous anymore. But this is a detail.\r\n\r\nThanks a lot for your effort. Keep up the good work!\r\n\r\nBest Regards\r\nVolker"},"comment":{"url":"https://api.github.com/repos/scivision/georinex/issues/comments/410803360","html_url":"https://github.com/scivision/georinex/issues/22#issuecomment-410803360","issue_url":"https://api.github.com/repos/scivision/georinex/issues/22","id":410803360,"node_id":"MDEyOklzc3VlQ29tbWVudDQxMDgwMzM2MA==","user":{"login":"VOMAY","id":32896877,"node_id":"MDQ6VXNlcjMyODk2ODc3","avatar_url":"https://avatars2.githubusercontent.com/u/32896877?v=4","gravatar_id":"","url":"https://api.github.com/users/VOMAY","html_url":"https://github.com/VOMAY","followers_url":"https://api.github.com/users/VOMAY/followers","following_url":"https://api.github.com/users/VOMAY/following{/other_user}","gists_url":"https://api.github.com/users/VOMAY/gists{/gist_id}","starred_url":"https://api.github.com/users/VOMAY/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/VOMAY/subscriptions","organizations_url":"https://api.github.com/users/VOMAY/orgs","repos_url":"https://api.github.com/users/VOMAY/repos","events_url":"https://api.github.com/users/VOMAY/events{/privacy}","received_events_url":"https://api.github.com/users/VOMAY/received_events","type":"User","site_admin":false},"created_at":"2018-08-06T18:20:00Z","updated_at":"2018-08-06T18:20:00Z","author_association":"NONE","body":"Thanks for focusing on this issue.\r\n\r\nOn my side, I am in Germany and will call it day now, to get home before sunset. Talk to you tomorrow."}}
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