{"action":"created","issue":{"url":"https://api.github.com/repos/CERN/TIGRE/issues/99","repository_url":"https://api.github.com/repos/CERN/TIGRE","labels_url":"https://api.github.com/repos/CERN/TIGRE/issues/99/labels{/name}","comments_url":"https://api.github.com/repos/CERN/TIGRE/issues/99/comments","events_url":"https://api.github.com/repos/CERN/TIGRE/issues/99/events","html_url":"https://github.com/CERN/TIGRE/issues/99","id":385883476,"node_id":"MDU6SXNzdWUzODU4ODM0NzY=","number":99,"title":"Using the DBT example, the reconstructed volume gets shifted for each slice","user":{"login":"PranjalSahu","id":1044135,"node_id":"MDQ6VXNlcjEwNDQxMzU=","avatar_url":"https://avatars3.githubusercontent.com/u/1044135?v=4","gravatar_id":"","url":"https://api.github.com/users/PranjalSahu","html_url":"https://github.com/PranjalSahu","followers_url":"https://api.github.com/users/PranjalSahu/followers","following_url":"https://api.github.com/users/PranjalSahu/following{/other_user}","gists_url":"https://api.github.com/users/PranjalSahu/gists{/gist_id}","starred_url":"https://api.github.com/users/PranjalSahu/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/PranjalSahu/subscriptions","organizations_url":"https://api.github.com/users/PranjalSahu/orgs","repos_url":"https://api.github.com/users/PranjalSahu/repos","events_url":"https://api.github.com/users/PranjalSahu/events{/privacy}","received_events_url":"https://api.github.com/users/PranjalSahu/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2018-11-29T19:10:30Z","updated_at":"2018-11-29T20:11:22Z","closed_at":null,"author_association":"NONE","body":"## Expected Behavior\r\nIn the reconstructed volume slices should all be at same height.\r\n\r\n## Actual Behavior\r\nHowever, as the angle increases the volume slices are getting shifted upward.\r\nIt might be because of the way static Detector functionality is handled.\r\n\r\nAs shown in the recontructed volume the slices are moving slightly upwards as we scroll though the reconstructed slices.\r\n![final](https://user-images.githubusercontent.com/1044135/49245167-8df99200-f3df-11e8-9c7b-3fcdf9947ec0.PNG)\r\n\r\n\r\n## Code to reproduce the problem (If applicable)\r\n\r\nUsing the staticDetectorGeo where the detector is fixed for use cases such as Digital Breast Tomosynthesis.\r\n\r\nThis behaviour is produced if the projections are taken using areal DBT system such as Siemens Inspiration.\r\nIf the projections are taken using TIGRE's projector then this problem does not occur.\r\n\r\nThere is some issue with the static detector functionality which I have not been able to solve.\r\n\r\n**_Could someone please help me understand why is this happening ?_**\r\n\r\nThe geometry of a DBT system is shown as below for reference.\r\n![siemens1](https://user-images.githubusercontent.com/1044135/49245342-0c563400-f3e0-11e8-883d-bc724a07a123.png)\r\n\r\n\r\n## Specifications \r\n\r\n  - MATLAB version:\r\n  - OS:\r\n  - CUDA version:\r\n"},"comment":{"url":"https://api.github.com/repos/CERN/TIGRE/issues/comments/442976472","html_url":"https://github.com/CERN/TIGRE/issues/99#issuecomment-442976472","issue_url":"https://api.github.com/repos/CERN/TIGRE/issues/99","id":442976472,"node_id":"MDEyOklzc3VlQ29tbWVudDQ0Mjk3NjQ3Mg==","user":{"login":"AnderBiguri","id":11854388,"node_id":"MDQ6VXNlcjExODU0Mzg4","avatar_url":"https://avatars3.githubusercontent.com/u/11854388?v=4","gravatar_id":"","url":"https://api.github.com/users/AnderBiguri","html_url":"https://github.com/AnderBiguri","followers_url":"https://api.github.com/users/AnderBiguri/followers","following_url":"https://api.github.com/users/AnderBiguri/following{/other_user}","gists_url":"https://api.github.com/users/AnderBiguri/gists{/gist_id}","starred_url":"https://api.github.com/users/AnderBiguri/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/AnderBiguri/subscriptions","organizations_url":"https://api.github.com/users/AnderBiguri/orgs","repos_url":"https://api.github.com/users/AnderBiguri/repos","events_url":"https://api.github.com/users/AnderBiguri/events{/privacy}","received_events_url":"https://api.github.com/users/AnderBiguri/received_events","type":"User","site_admin":false},"created_at":"2018-11-29T20:11:22Z","updated_at":"2018-11-29T20:11:22Z","author_association":"MEMBER","body":"Hi,\nI will have a further look at this as soon as I can\nAnder\n\nOn Thu, 29 Nov 2018, 19:12 Pranjal Sahu <notifications@github.com wrote:\n\n> Expected Behavior\n>\n> In the reconstructed volume slices should all be at same height.\n> Actual Behavior\n>\n> However, as the angle increases the volume slices are getting shifted\n> upward.\n> It might be because of the way static Detector functionality is handled.\n>\n> As shown in the recontructed volume the slices are moving slightly upwards\n> as we scroll though the reconstructed slices.\n> [image: final]\n> <https://user-images.githubusercontent.com/1044135/49245167-8df99200-f3df-11e8-9c7b-3fcdf9947ec0.PNG>\n> Code to reproduce the problem (If applicable)\n>\n> Using the staticDetectorGeo where the detector is fixed for use cases such\n> as Digital Breast Tomosynthesis.\n>\n> This behaviour is produced if the projections are taken using areal DBT\n> system such as Siemens Inspiration.\n> If the projections are taken using TIGRE's projector then this problem\n> does not occur.\n>\n> There is some issue with the static detector functionality which I have\n> not been able to solve.\n>\n> *Could someone please help me understand why is this happening ?*\n>\n> The geometry of a DBT system is shown as below for reference.\n> [image: siemens1]\n> <https://user-images.githubusercontent.com/1044135/49245342-0c563400-f3e0-11e8-883d-bc724a07a123.png>\n> Specifications\n>\n>    - MATLAB version:\n>    - OS:\n>    - CUDA version:\n>\n> —\n> You are receiving this because you are subscribed to this thread.\n> Reply to this email directly, view it on GitHub\n> <https://github.com/CERN/TIGRE/issues/99>, or mute the thread\n> <https://github.com/notifications/unsubscribe-auth/ALTiNBDipz68PEDloFfZeQBuRQDdqW3Zks5u0DGfgaJpZM4Y6UwU>\n> .\n>\n"}}
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