{"action":"created","issue":{"url":"https://api.github.com/repos/numbbo/coco/issues/813","repository_url":"https://api.github.com/repos/numbbo/coco","labels_url":"https://api.github.com/repos/numbbo/coco/issues/813/labels{/name}","comments_url":"https://api.github.com/repos/numbbo/coco/issues/813/comments","events_url":"https://api.github.com/repos/numbbo/coco/issues/813/events","html_url":"https://github.com/numbbo/coco/issues/813","id":140516802,"number":813,"title":"Negative hypervolume values","user":{"login":"loshchil","id":3809019,"avatar_url":"https://avatars.githubusercontent.com/u/3809019?v=3","gravatar_id":"","url":"https://api.github.com/users/loshchil","html_url":"https://github.com/loshchil","followers_url":"https://api.github.com/users/loshchil/followers","following_url":"https://api.github.com/users/loshchil/following{/other_user}","gists_url":"https://api.github.com/users/loshchil/gists{/gist_id}","starred_url":"https://api.github.com/users/loshchil/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/loshchil/subscriptions","organizations_url":"https://api.github.com/users/loshchil/orgs","repos_url":"https://api.github.com/users/loshchil/repos","events_url":"https://api.github.com/users/loshchil/events{/privacy}","received_events_url":"https://api.github.com/users/loshchil/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/numbbo/coco/labels/bug","name":"bug","color":"fc2929"},{"url":"https://api.github.com/repos/numbbo/coco/labels/Code-Postprocessing","name":"Code-Postprocessing","color":"bfd4f2"}],"state":"open","locked":false,"assignee":{"login":"dtusar","id":13744819,"avatar_url":"https://avatars.githubusercontent.com/u/13744819?v=3","gravatar_id":"","url":"https://api.github.com/users/dtusar","html_url":"https://github.com/dtusar","followers_url":"https://api.github.com/users/dtusar/followers","following_url":"https://api.github.com/users/dtusar/following{/other_user}","gists_url":"https://api.github.com/users/dtusar/gists{/gist_id}","starred_url":"https://api.github.com/users/dtusar/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/dtusar/subscriptions","organizations_url":"https://api.github.com/users/dtusar/orgs","repos_url":"https://api.github.com/users/dtusar/repos","events_url":"https://api.github.com/users/dtusar/events{/privacy}","received_events_url":"https://api.github.com/users/dtusar/received_events","type":"User","site_admin":false},"milestone":null,"comments":14,"created_at":"2016-03-13T19:11:41Z","updated_at":"2016-05-16T10:56:23Z","closed_at":null,"body":"On some functions it is quite possible to reach better hypervolume values than the ones given as a reference. While such better/negative values are logged in .dat files, they are not displayed in plots. \r\nI would like to display them to better understand how my algorithm works. As Niko suggested, I tried to modify bbob_pproc/genericsettings.py file. More specifically,  I modified class GECCOBiobjBBOBTestbed as follows\r\n\r\nself.pprldmany_target_values = targetValues(10**np.arange(0, -5, -0.2) -1.327070185389578e-004) # possibly changed in config\r\nself.rldValsOfInterest = (1e-1, 1e-3, 1e-5) # possibly changed in config\r\nself.ppfvdistr_min_target =  -1.327070185389578e-004\r\nself.functions_with_legend = (1, 30, 31, 55)\r\nwhere -1.327070185389578e-004 is the smallest relative hypervolume value.  \r\nIt does not plot the results after ~2000 times 20-dimensions when first negative values were found. \r\nI attach \r\n[SMSEMOA_on_bbob-biobj-060.zip](https://github.com/numbbo/coco/files/171183/SMSEMOA_on_bbob-biobj-060.zip)\r\n[pprldmany_20D_noiselessall (4).pdf](https://github.com/numbbo/coco/files/171184/pprldmany_20D_noiselessall.4.pdf)\r\n\r\nIn hope that my mistake is quite obvious and does not require any debugging, I ask you to please let me know how to modify the file to plot negative hypervolume values/targets. \r\n\r\n  "},"comment":{"url":"https://api.github.com/repos/numbbo/coco/issues/comments/219399672","html_url":"https://github.com/numbbo/coco/issues/813#issuecomment-219399672","issue_url":"https://api.github.com/repos/numbbo/coco/issues/813","id":219399672,"user":{"login":"nikohansen","id":7316439,"avatar_url":"https://avatars.githubusercontent.com/u/7316439?v=3","gravatar_id":"","url":"https://api.github.com/users/nikohansen","html_url":"https://github.com/nikohansen","followers_url":"https://api.github.com/users/nikohansen/followers","following_url":"https://api.github.com/users/nikohansen/following{/other_user}","gists_url":"https://api.github.com/users/nikohansen/gists{/gist_id}","starred_url":"https://api.github.com/users/nikohansen/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/nikohansen/subscriptions","organizations_url":"https://api.github.com/users/nikohansen/orgs","repos_url":"https://api.github.com/users/nikohansen/repos","events_url":"https://api.github.com/users/nikohansen/events{/privacy}","received_events_url":"https://api.github.com/users/nikohansen/received_events","type":"User","site_admin":false},"created_at":"2016-05-16T10:56:23Z","updated_at":"2016-05-16T10:56:23Z","body":"Can this be close, as the bug-part has been resolved? "}}