{"action":"created","issue":{"url":"https://api.github.com/repos/UCL/STIR/issues/208","repository_url":"https://api.github.com/repos/UCL/STIR","labels_url":"https://api.github.com/repos/UCL/STIR/issues/208/labels{/name}","comments_url":"https://api.github.com/repos/UCL/STIR/issues/208/comments","events_url":"https://api.github.com/repos/UCL/STIR/issues/208/events","html_url":"https://github.com/UCL/STIR/pull/208","id":329093575,"node_id":"MDExOlB1bGxSZXF1ZXN0MTkyNDM2OTk2","number":208,"title":"IO updates","user":{"login":"rijobro","id":33289025,"node_id":"MDQ6VXNlcjMzMjg5MDI1","avatar_url":"https://avatars0.githubusercontent.com/u/33289025?v=4","gravatar_id":"","url":"https://api.github.com/users/rijobro","html_url":"https://github.com/rijobro","followers_url":"https://api.github.com/users/rijobro/followers","following_url":"https://api.github.com/users/rijobro/following{/other_user}","gists_url":"https://api.github.com/users/rijobro/gists{/gist_id}","starred_url":"https://api.github.com/users/rijobro/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/rijobro/subscriptions","organizations_url":"https://api.github.com/users/rijobro/orgs","repos_url":"https://api.github.com/users/rijobro/repos","events_url":"https://api.github.com/users/rijobro/events{/privacy}","received_events_url":"https://api.github.com/users/rijobro/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":4,"created_at":"2018-06-04T15:00:46Z","updated_at":"2018-07-23T14:05:12Z","closed_at":null,"author_association":"CONTRIBUTOR","pull_request":{"url":"https://api.github.com/repos/UCL/STIR/pulls/208","html_url":"https://github.com/UCL/STIR/pull/208","diff_url":"https://github.com/UCL/STIR/pull/208.diff","patch_url":"https://github.com/UCL/STIR/pull/208.patch"},"body":"Read and write dynamic and parametric files (tests included)\r\nRead and write a new file format, called multi (essentially a list of filenames).\r\n"},"comment":{"url":"https://api.github.com/repos/UCL/STIR/issues/comments/407069555","html_url":"https://github.com/UCL/STIR/pull/208#issuecomment-407069555","issue_url":"https://api.github.com/repos/UCL/STIR/issues/208","id":407069555,"node_id":"MDEyOklzc3VlQ29tbWVudDQwNzA2OTU1NQ==","user":{"login":"rijobro","id":33289025,"node_id":"MDQ6VXNlcjMzMjg5MDI1","avatar_url":"https://avatars0.githubusercontent.com/u/33289025?v=4","gravatar_id":"","url":"https://api.github.com/users/rijobro","html_url":"https://github.com/rijobro","followers_url":"https://api.github.com/users/rijobro/followers","following_url":"https://api.github.com/users/rijobro/following{/other_user}","gists_url":"https://api.github.com/users/rijobro/gists{/gist_id}","starred_url":"https://api.github.com/users/rijobro/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/rijobro/subscriptions","organizations_url":"https://api.github.com/users/rijobro/orgs","repos_url":"https://api.github.com/users/rijobro/repos","events_url":"https://api.github.com/users/rijobro/events{/privacy}","received_events_url":"https://api.github.com/users/rijobro/received_events","type":"User","site_admin":false},"created_at":"2018-07-23T14:05:12Z","updated_at":"2018-07-23T14:05:12Z","author_association":"CONTRIBUTOR","body":"I think we do still need `DynamicDiscretisedDensity::read_from_file_multi` (although it's a bit ugly). `apply_patlak_to_images` requires a 4D image, but the reconstruction will only produce a set of 3D images. You therefore need the individual images and their corresponding sinograms to be able to get time frame definitions.\r\n\r\nAlternatively, I could create an executable that converts a set of 3D images to a 4D image. Essentially, I would copy everything from `DynamicDiscretisedDensity::read_from_file_multi` to that executable. What do you think?"}}
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