{"action":"created","issue":{"url":"https://api.github.com/repos/OceanPARCELS/parcels/issues/12","repository_url":"https://api.github.com/repos/OceanPARCELS/parcels","labels_url":"https://api.github.com/repos/OceanPARCELS/parcels/issues/12/labels{/name}","comments_url":"https://api.github.com/repos/OceanPARCELS/parcels/issues/12/comments","events_url":"https://api.github.com/repos/OceanPARCELS/parcels/issues/12/events","html_url":"https://github.com/OceanPARCELS/parcels/issues/12","id":126417270,"number":12,"title":"Add capacity to run in time-backward mode","user":{"login":"erikvansebille","id":14315062,"avatar_url":"https://avatars.githubusercontent.com/u/14315062?v=3","gravatar_id":"","url":"https://api.github.com/users/erikvansebille","html_url":"https://github.com/erikvansebille","followers_url":"https://api.github.com/users/erikvansebille/followers","following_url":"https://api.github.com/users/erikvansebille/following{/other_user}","gists_url":"https://api.github.com/users/erikvansebille/gists{/gist_id}","starred_url":"https://api.github.com/users/erikvansebille/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/erikvansebille/subscriptions","organizations_url":"https://api.github.com/users/erikvansebille/orgs","repos_url":"https://api.github.com/users/erikvansebille/repos","events_url":"https://api.github.com/users/erikvansebille/events{/privacy}","received_events_url":"https://api.github.com/users/erikvansebille/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/OceanPARCELS/parcels/labels/enhancement","name":"enhancement","color":"84b6eb"}],"state":"open","locked":false,"assignee":{"login":"erikvansebille","id":14315062,"avatar_url":"https://avatars.githubusercontent.com/u/14315062?v=3","gravatar_id":"","url":"https://api.github.com/users/erikvansebille","html_url":"https://github.com/erikvansebille","followers_url":"https://api.github.com/users/erikvansebille/followers","following_url":"https://api.github.com/users/erikvansebille/following{/other_user}","gists_url":"https://api.github.com/users/erikvansebille/gists{/gist_id}","starred_url":"https://api.github.com/users/erikvansebille/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/erikvansebille/subscriptions","organizations_url":"https://api.github.com/users/erikvansebille/orgs","repos_url":"https://api.github.com/users/erikvansebille/repos","events_url":"https://api.github.com/users/erikvansebille/events{/privacy}","received_events_url":"https://api.github.com/users/erikvansebille/received_events","type":"User","site_admin":false},"milestone":{"url":"https://api.github.com/repos/OceanPARCELS/parcels/milestones/1","html_url":"https://github.com/OceanPARCELS/parcels/milestones/GMD%20manuscript","labels_url":"https://api.github.com/repos/OceanPARCELS/parcels/milestones/1/labels","id":1504361,"number":1,"title":"GMD manuscript","description":null,"creator":{"login":"erikvansebille","id":14315062,"avatar_url":"https://avatars.githubusercontent.com/u/14315062?v=3","gravatar_id":"","url":"https://api.github.com/users/erikvansebille","html_url":"https://github.com/erikvansebille","followers_url":"https://api.github.com/users/erikvansebille/followers","following_url":"https://api.github.com/users/erikvansebille/following{/other_user}","gists_url":"https://api.github.com/users/erikvansebille/gists{/gist_id}","starred_url":"https://api.github.com/users/erikvansebille/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/erikvansebille/subscriptions","organizations_url":"https://api.github.com/users/erikvansebille/orgs","repos_url":"https://api.github.com/users/erikvansebille/repos","events_url":"https://api.github.com/users/erikvansebille/events{/privacy}","received_events_url":"https://api.github.com/users/erikvansebille/received_events","type":"User","site_admin":false},"open_issues":5,"closed_issues":1,"state":"open","created_at":"2016-01-13T13:23:34Z","updated_at":"2016-03-21T09:25:00Z","due_on":null,"closed_at":null},"comments":5,"created_at":"2016-01-13T13:24:47Z","updated_at":"2016-03-23T07:49:27Z","closed_at":null,"body":"For the GMD manuscript, we will need to have functionality to run particles in time-backward mode. As for the integration, this can be done by simply negating velocity fields. The trick is to also handle input fields in reverse order"},"comment":{"url":"https://api.github.com/repos/OceanPARCELS/parcels/issues/comments/200233395","html_url":"https://github.com/OceanPARCELS/parcels/issues/12#issuecomment-200233395","issue_url":"https://api.github.com/repos/OceanPARCELS/parcels/issues/12","id":200233395,"user":{"login":"erikvansebille","id":14315062,"avatar_url":"https://avatars.githubusercontent.com/u/14315062?v=3","gravatar_id":"","url":"https://api.github.com/users/erikvansebille","html_url":"https://github.com/erikvansebille","followers_url":"https://api.github.com/users/erikvansebille/followers","following_url":"https://api.github.com/users/erikvansebille/following{/other_user}","gists_url":"https://api.github.com/users/erikvansebille/gists{/gist_id}","starred_url":"https://api.github.com/users/erikvansebille/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/erikvansebille/subscriptions","organizations_url":"https://api.github.com/users/erikvansebille/orgs","repos_url":"https://api.github.com/users/erikvansebille/repos","events_url":"https://api.github.com/users/erikvansebille/events{/privacy}","received_events_url":"https://api.github.com/users/erikvansebille/received_events","type":"User","site_admin":false},"created_at":"2016-03-23T07:49:27Z","updated_at":"2016-03-23T07:49:27Z","body":"OK, I see your point on removing the kernel compilation caching. I like your idea of adding a `float dtsign`, will implement that when I have time!"}}