{"action":"created","issue":{"url":"https://api.github.com/repos/IntelRealSense/librealsense/issues/2525","repository_url":"https://api.github.com/repos/IntelRealSense/librealsense","labels_url":"https://api.github.com/repos/IntelRealSense/librealsense/issues/2525/labels{/name}","comments_url":"https://api.github.com/repos/IntelRealSense/librealsense/issues/2525/comments","events_url":"https://api.github.com/repos/IntelRealSense/librealsense/issues/2525/events","html_url":"https://github.com/IntelRealSense/librealsense/issues/2525","id":369789759,"node_id":"MDU6SXNzdWUzNjk3ODk3NTk=","number":2525,"title":"How to connect Multi-Camera in a computers","user":{"login":"NguyenThaiHoc1","id":22360388,"node_id":"MDQ6VXNlcjIyMzYwMzg4","avatar_url":"https://avatars2.githubusercontent.com/u/22360388?v=4","gravatar_id":"","url":"https://api.github.com/users/NguyenThaiHoc1","html_url":"https://github.com/NguyenThaiHoc1","followers_url":"https://api.github.com/users/NguyenThaiHoc1/followers","following_url":"https://api.github.com/users/NguyenThaiHoc1/following{/other_user}","gists_url":"https://api.github.com/users/NguyenThaiHoc1/gists{/gist_id}","starred_url":"https://api.github.com/users/NguyenThaiHoc1/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/NguyenThaiHoc1/subscriptions","organizations_url":"https://api.github.com/users/NguyenThaiHoc1/orgs","repos_url":"https://api.github.com/users/NguyenThaiHoc1/repos","events_url":"https://api.github.com/users/NguyenThaiHoc1/events{/privacy}","received_events_url":"https://api.github.com/users/NguyenThaiHoc1/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2018-10-13T10:35:30Z","updated_at":"2018-10-13T14:16:21Z","closed_at":null,"author_association":"NONE","body":"Dear Realsense support,\r\nI have some questions for you and i hope you can help to solve my problem\r\nFirst: I have 3 camera (Intel-D435) and i want to connect those camera in a computer. I try to connect 2 camera in USB gate in my computer (my computer only 2 USB gate). after that, i turn on tool calling is Intel-RealSence-Viewer. But It just connected a camera and displayed a camera, i want you to help me \r\n(How can i connect 3 camera in a computer)\r\n\r\n\r\nSecond: the problem relate to technique. \bI read paper in website. RGB image is 3 channels and I think RGB-D image is 4 channels. But i follow the code providing in librealsense github (https://github.com/IntelRealSense/librealsense/blob/jupyter/notebooks/distance_to_object.ipynb)\r\nI saw \r\n(RGB-Image)\r\ncolor = np.asanyarray(color_frame.get_data()) \r\n=> Shape (640, 480, 3) it have shape = 3 \r\n(Depth-Image)\r\ncolorizer = rs.colorizer()\r\ncolorized_depth = np.asanyarray(colorizer.colorize(depth_frame).get_data())\r\nplt.imshow(colorized_depth)\r\n=> Shape(1280, 640, 3) it is still shape =3 (Why ??????)\r\nwhen combine RGB and Depth Image \r\nimages = np.hstack((color, colorized_depth))\r\nplt.imshow(images)\r\n=> images variable have shape(1260, 640, 3) , shape is still = 3 (I don't Understand because i think shape is (1260, 640, 4)   it is 4 channels ??? )\r\nI newbie in the field of image processing 3D (I wish i understand it  and I hope every help me   )\r\n\r\nThanks you, \r\n\r\n"},"comment":{"url":"https://api.github.com/repos/IntelRealSense/librealsense/issues/comments/429545675","html_url":"https://github.com/IntelRealSense/librealsense/issues/2525#issuecomment-429545675","issue_url":"https://api.github.com/repos/IntelRealSense/librealsense/issues/2525","id":429545675,"node_id":"MDEyOklzc3VlQ29tbWVudDQyOTU0NTY3NQ==","user":{"login":"MartyG-RealSense","id":41145062,"node_id":"MDQ6VXNlcjQxMTQ1MDYy","avatar_url":"https://avatars0.githubusercontent.com/u/41145062?v=4","gravatar_id":"","url":"https://api.github.com/users/MartyG-RealSense","html_url":"https://github.com/MartyG-RealSense","followers_url":"https://api.github.com/users/MartyG-RealSense/followers","following_url":"https://api.github.com/users/MartyG-RealSense/following{/other_user}","gists_url":"https://api.github.com/users/MartyG-RealSense/gists{/gist_id}","starred_url":"https://api.github.com/users/MartyG-RealSense/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/MartyG-RealSense/subscriptions","organizations_url":"https://api.github.com/users/MartyG-RealSense/orgs","repos_url":"https://api.github.com/users/MartyG-RealSense/repos","events_url":"https://api.github.com/users/MartyG-RealSense/events{/privacy}","received_events_url":"https://api.github.com/users/MartyG-RealSense/received_events","type":"User","site_admin":false},"created_at":"2018-10-13T14:16:21Z","updated_at":"2018-10-13T14:16:21Z","author_association":"NONE","body":"In regard to your first question: you can add cameras in RealSense Viewer by left-clicking on the Add Source option at the top of the Viewer's options panel and selecting a camera from the list that drops down.\r\n\r\n![image](https://user-images.githubusercontent.com/41145062/46906412-eee60d00-cefa-11e8-8c6a-78e58e0608fe.png)\r\n"}}
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