{"action":"opened","issue":{"url":"https://api.github.com/repos/sci-visus/visus-issues/issues/226","labels_url":"https://api.github.com/repos/sci-visus/visus-issues/issues/226/labels{/name}","comments_url":"https://api.github.com/repos/sci-visus/visus-issues/issues/226/comments","events_url":"https://api.github.com/repos/sci-visus/visus-issues/issues/226/events","html_url":"https://github.com/sci-visus/visus-issues/issues/226","id":56840903,"number":226,"title":"windows x64 opengl /  Negative extractor values","user":{"login":"AaronBehunin","id":10467750,"avatar_url":"https://avatars.githubusercontent.com/u/10467750?v=3","gravatar_id":"","url":"https://api.github.com/users/AaronBehunin","html_url":"https://github.com/AaronBehunin","followers_url":"https://api.github.com/users/AaronBehunin/followers","following_url":"https://api.github.com/users/AaronBehunin/following{/other_user}","gists_url":"https://api.github.com/users/AaronBehunin/gists{/gist_id}","starred_url":"https://api.github.com/users/AaronBehunin/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/AaronBehunin/subscriptions","organizations_url":"https://api.github.com/users/AaronBehunin/orgs","repos_url":"https://api.github.com/users/AaronBehunin/repos","events_url":"https://api.github.com/users/AaronBehunin/events{/privacy}","received_events_url":"https://api.github.com/users/AaronBehunin/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2015-02-06T17:22:27Z","updated_at":"2015-02-06T17:22:27Z","closed_at":null,"body":"1. open 3d dataset of choice\r\n2.  click arrow next to file node\r\n3.   click on default extractor node.  \r\n4. in window manipulate colored boxes to give x, y or z values negative numbers.  \r\n\r\nSeveral bugs arise from the ability to go to negative values in rendering negative extraction areas.\r\n\r\n"}}