{"action":"opened","issue":{"url":"https://api.github.com/repos/UofTCoders/studyGroup/issues/423","repository_url":"https://api.github.com/repos/UofTCoders/studyGroup","labels_url":"https://api.github.com/repos/UofTCoders/studyGroup/issues/423/labels{/name}","comments_url":"https://api.github.com/repos/UofTCoders/studyGroup/issues/423/comments","events_url":"https://api.github.com/repos/UofTCoders/studyGroup/issues/423/events","html_url":"https://github.com/UofTCoders/studyGroup/issues/423","id":384665604,"node_id":"MDU6SXNzdWUzODQ2NjU2MDQ=","number":423,"title":"How to conform lon/lat values generated by ax.scatter","user":{"login":"zxdawn","id":30388627,"node_id":"MDQ6VXNlcjMwMzg4NjI3","avatar_url":"https://avatars3.githubusercontent.com/u/30388627?v=4","gravatar_id":"","url":"https://api.github.com/users/zxdawn","html_url":"https://github.com/zxdawn","followers_url":"https://api.github.com/users/zxdawn/followers","following_url":"https://api.github.com/users/zxdawn/following{/other_user}","gists_url":"https://api.github.com/users/zxdawn/gists{/gist_id}","starred_url":"https://api.github.com/users/zxdawn/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/zxdawn/subscriptions","organizations_url":"https://api.github.com/users/zxdawn/orgs","repos_url":"https://api.github.com/users/zxdawn/repos","events_url":"https://api.github.com/users/zxdawn/events{/privacy}","received_events_url":"https://api.github.com/users/zxdawn/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2018-11-27T07:52:57Z","updated_at":"2018-11-27T07:52:57Z","closed_at":null,"author_association":"NONE","body":"@QuLogic Thank you for your [tutorial](https://github.com/UofTCoders/studyGroup/blob/gh-pages/lessons/python/cartography/Cartography%20and%20Mapping%20in%20Python.ipynb) about Cartography.\r\n\r\nI edited part of your script and you can check that [here](https://github.com/zxdawn/studyGroup/blob/Cartography/lessons/python/cartography/test_projection.py).\r\n\r\nThe script is written for get the **location of clicking point** and set it as the **title** of another subplot.\r\nBut, `event.ydata` and `event.xdata` are very large values.\r\n\r\n**Q:**\r\nWhat's the meaning of these large values and how to transform them to lon (-180 ~ 180) and lat(-90 ~ 90)?\r\n\r\nThank you in advance!"}}
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