{"action":"created","issue":{"url":"https://api.github.com/repos/Toblerity/Shapely/issues/664","repository_url":"https://api.github.com/repos/Toblerity/Shapely","labels_url":"https://api.github.com/repos/Toblerity/Shapely/issues/664/labels{/name}","comments_url":"https://api.github.com/repos/Toblerity/Shapely/issues/664/comments","events_url":"https://api.github.com/repos/Toblerity/Shapely/issues/664/events","html_url":"https://github.com/Toblerity/Shapely/issues/664","id":388066606,"node_id":"MDU6SXNzdWUzODgwNjY2MDY=","number":664,"title":"Additional information for vertices","user":{"login":"AndreasAZiegler","id":6949508,"node_id":"MDQ6VXNlcjY5NDk1MDg=","avatar_url":"https://avatars3.githubusercontent.com/u/6949508?v=4","gravatar_id":"","url":"https://api.github.com/users/AndreasAZiegler","html_url":"https://github.com/AndreasAZiegler","followers_url":"https://api.github.com/users/AndreasAZiegler/followers","following_url":"https://api.github.com/users/AndreasAZiegler/following{/other_user}","gists_url":"https://api.github.com/users/AndreasAZiegler/gists{/gist_id}","starred_url":"https://api.github.com/users/AndreasAZiegler/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/AndreasAZiegler/subscriptions","organizations_url":"https://api.github.com/users/AndreasAZiegler/orgs","repos_url":"https://api.github.com/users/AndreasAZiegler/repos","events_url":"https://api.github.com/users/AndreasAZiegler/events{/privacy}","received_events_url":"https://api.github.com/users/AndreasAZiegler/received_events","type":"User","site_admin":false},"labels":[{"id":448176706,"node_id":"MDU6TGFiZWw0NDgxNzY3MDY=","url":"https://api.github.com/repos/Toblerity/Shapely/labels/wontfix","name":"wontfix","color":"fef2c0","default":true}],"state":"closed","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2018-12-06T05:52:16Z","updated_at":"2018-12-06T15:03:03Z","closed_at":"2018-12-06T15:03:03Z","author_association":"NONE","body":"The issue I would like to report is rather a question than an actual issue.\r\n\r\nI'm wondering if it would be possible to add some additional information to vertices as e.g. in https://doc.cgal.org/latest/Triangulation_3/classCGAL_1_1Triangulation__vertex__base__with__info__3.html\r\n\r\nI need this for a project I'm currently working on where I have to keep track of the polygon vertices of two polygons before a polygon union and the unified polygon after the union. I basically want to know, which point from which of the two polygons ends up in the unified polygon and perhaps which additional points were inserted into the unified polygon.\r\n"},"comment":{"url":"https://api.github.com/repos/Toblerity/Shapely/issues/comments/444900759","html_url":"https://github.com/Toblerity/Shapely/issues/664#issuecomment-444900759","issue_url":"https://api.github.com/repos/Toblerity/Shapely/issues/664","id":444900759,"node_id":"MDEyOklzc3VlQ29tbWVudDQ0NDkwMDc1OQ==","user":{"login":"sgillies","id":33697,"node_id":"MDQ6VXNlcjMzNjk3","avatar_url":"https://avatars2.githubusercontent.com/u/33697?v=4","gravatar_id":"","url":"https://api.github.com/users/sgillies","html_url":"https://github.com/sgillies","followers_url":"https://api.github.com/users/sgillies/followers","following_url":"https://api.github.com/users/sgillies/following{/other_user}","gists_url":"https://api.github.com/users/sgillies/gists{/gist_id}","starred_url":"https://api.github.com/users/sgillies/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/sgillies/subscriptions","organizations_url":"https://api.github.com/users/sgillies/orgs","repos_url":"https://api.github.com/users/sgillies/repos","events_url":"https://api.github.com/users/sgillies/events{/privacy}","received_events_url":"https://api.github.com/users/sgillies/received_events","type":"User","site_admin":false},"created_at":"2018-12-06T15:03:03Z","updated_at":"2018-12-06T15:03:03Z","author_association":"MEMBER","body":"No, this won't be possible. Shapely uses the GEOS library and I'm not aware that it's extendable in such a way. I think the best option would be to map vertices to attributes in a different data structure."}}
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