{"action":"opened","issue":{"url":"https://api.github.com/repos/yotamberk/timeline-plus/issues/19","repository_url":"https://api.github.com/repos/yotamberk/timeline-plus","labels_url":"https://api.github.com/repos/yotamberk/timeline-plus/issues/19/labels{/name}","comments_url":"https://api.github.com/repos/yotamberk/timeline-plus/issues/19/comments","events_url":"https://api.github.com/repos/yotamberk/timeline-plus/issues/19/events","html_url":"https://github.com/yotamberk/timeline-plus/issues/19","id":343110317,"node_id":"MDU6SXNzdWUzNDMxMTAzMTc=","number":19,"title":"Ability to group or somehow reduce the number of visible items","user":{"login":"vlsi","id":213894,"node_id":"MDQ6VXNlcjIxMzg5NA==","avatar_url":"https://avatars1.githubusercontent.com/u/213894?v=4","gravatar_id":"","url":"https://api.github.com/users/vlsi","html_url":"https://github.com/vlsi","followers_url":"https://api.github.com/users/vlsi/followers","following_url":"https://api.github.com/users/vlsi/following{/other_user}","gists_url":"https://api.github.com/users/vlsi/gists{/gist_id}","starred_url":"https://api.github.com/users/vlsi/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/vlsi/subscriptions","organizations_url":"https://api.github.com/users/vlsi/orgs","repos_url":"https://api.github.com/users/vlsi/repos","events_url":"https://api.github.com/users/vlsi/events{/privacy}","received_events_url":"https://api.github.com/users/vlsi/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2018-07-20T13:36:16Z","updated_at":"2018-07-20T13:36:16Z","closed_at":null,"author_association":"NONE","body":"Currently `Group. _updateItemsInRange` computes the set of visible items, however there's no way to customize the set of \"actually visible\" items there.\r\n\r\nhttps://github.com/yotamberk/timeline-plus/blob/master/lib/timeline/component/Group.js#L851\r\n\r\nPossible options:\r\n1) Show the heaviest ones. That is provide a callback so developer can pick the items to show\r\n2) Merge items so reduce overall item count (like http://visjs.org/examples/network/other/clusteringByZoom.html )."}}
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