{"action":"opened","number":16857,"pull_request":{"url":"https://api.github.com/repos/mantidproject/mantid/pulls/16857","id":77258875,"html_url":"https://github.com/mantidproject/mantid/pull/16857","diff_url":"https://github.com/mantidproject/mantid/pull/16857.diff","patch_url":"https://github.com/mantidproject/mantid/pull/16857.patch","issue_url":"https://api.github.com/repos/mantidproject/mantid/issues/16857","number":16857,"state":"open","locked":false,"title":"Store Workspace Dx data for each bin instead of for each bin edge","user":{"login":"SimonHeybrock","id":12912489,"avatar_url":"https://avatars.githubusercontent.com/u/12912489?v=3","gravatar_id":"","url":"https://api.github.com/users/SimonHeybrock","html_url":"https://github.com/SimonHeybrock","followers_url":"https://api.github.com/users/SimonHeybrock/followers","following_url":"https://api.github.com/users/SimonHeybrock/following{/other_user}","gists_url":"https://api.github.com/users/SimonHeybrock/gists{/gist_id}","starred_url":"https://api.github.com/users/SimonHeybrock/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/SimonHeybrock/subscriptions","organizations_url":"https://api.github.com/users/SimonHeybrock/orgs","repos_url":"https://api.github.com/users/SimonHeybrock/repos","events_url":"https://api.github.com/users/SimonHeybrock/events{/privacy}","received_events_url":"https://api.github.com/users/SimonHeybrock/received_events","type":"User","site_admin":false},"body":"Title says it all, also see the issue description.\r\n\r\nThe only major and potentially breaking change is loading old Nexus files. I went with the assumption that delta-Q varies slowly and we can thus simply drop the last value (see also the additional unit test in `LoadNexusProcessed`). Please comment on whether or not that makes sense.\r\n\r\n**To test:**\r\n\r\nApart from code review,\r\n\r\n- Test loading an viewing workspaces with Dx data.\r\n- Make sure that old processed Nexus files (with 1 Dx value too many) can be loaded correctly.\r\n\r\nFixes #16298.\r\n\r\nI added this to the SANS release notes, or should it be in a more general section?\r\n\r\n@AntonPiccardoSelg You might be a good candidate for reviewing this. \r\n\r\nI put an in-progress label for now, since I think it might be a good idea to wait with merging for a week or two after the big `Histogram` merge to see if any problems pop up.\r\n\r\n---\r\n\r\n#### Reviewer ####\r\n\r\nPlease comment on the following ([full description](http://www.mantidproject.org/Individual_Ticket_Testing)):\r\n\r\n##### Code Review #####\r\n\r\n- [ ] Is the code of an acceptable quality?\r\n- [ ] Does the code conform to the [coding standards](http://www.mantidproject.org/Coding_Standards)? Is it well structured with small focussed classes/methods/functions?\r\n- [ ] Are there unit/system tests in place? Are the unit tests small and test the a class in isolation?\r\n- [ ] If there are changes in the release notes then do they describe the changes appropriately?\r\n\r\n##### Functional Tests #####\r\n\r\n- [ ] Do changes function as described? Add comments below that describe the tests performed?\r\n- [ ] How do the changes handle unexpected situations, e.g. bad input?\r\n- [ ] Has the relevant documentation been added/updated?\r\n- [ ] Is user-facing documentation written in a user-friendly manner?\r\n- [ ] Has developer documentation been updated if required?\r\n\r\n- Does everything look good? Comment with the ship it emoji but don't merge. A member of `@mantidproject/gatekeepers` will take care of it.\r\n","created_at":"2016-07-13T09:42:29Z","updated_at":"2016-07-13T09:42:29Z","closed_at":null,"merged_at":null,"merge_commit_sha":null,"assignee":null,"assignees":[],"milestone":{"url":"https://api.github.com/repos/mantidproject/mantid/milestones/58","html_url":"https://github.com/mantidproject/mantid/milestones/Release%203.8","labels_url":"https://api.github.com/repos/mantidproject/mantid/milestones/58/labels","id":1505614,"number":58,"title":"Release 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