{"action":"opened","issue":{"url":"https://api.github.com/repos/opencv/opencv/issues/12018","repository_url":"https://api.github.com/repos/opencv/opencv","labels_url":"https://api.github.com/repos/opencv/opencv/issues/12018/labels{/name}","comments_url":"https://api.github.com/repos/opencv/opencv/issues/12018/comments","events_url":"https://api.github.com/repos/opencv/opencv/issues/12018/events","html_url":"https://github.com/opencv/opencv/issues/12018","id":342683952,"node_id":"MDU6SXNzdWUzNDI2ODM5NTI=","number":12018,"title":"isContinuous() fails for large images in OpenCV","user":{"login":"hovnatan","id":8426582,"node_id":"MDQ6VXNlcjg0MjY1ODI=","avatar_url":"https://avatars3.githubusercontent.com/u/8426582?v=4","gravatar_id":"","url":"https://api.github.com/users/hovnatan","html_url":"https://github.com/hovnatan","followers_url":"https://api.github.com/users/hovnatan/followers","following_url":"https://api.github.com/users/hovnatan/following{/other_user}","gists_url":"https://api.github.com/users/hovnatan/gists{/gist_id}","starred_url":"https://api.github.com/users/hovnatan/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/hovnatan/subscriptions","organizations_url":"https://api.github.com/users/hovnatan/orgs","repos_url":"https://api.github.com/users/hovnatan/repos","events_url":"https://api.github.com/users/hovnatan/events{/privacy}","received_events_url":"https://api.github.com/users/hovnatan/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2018-07-19T11:10:34Z","updated_at":"2018-07-19T11:10:34Z","closed_at":null,"author_association":"NONE","body":"<!--\r\nIf you have a question rather than reporting a bug please go to http://answers.opencv.org where you get much faster responses.\r\nIf you need further assistance please read [How To Contribute](https://github.com/opencv/opencv/wiki/How_to_contribute).\r\n\r\nThis is a template helping you to create an issue which can be processed as quickly as possible. This is the bug reporting section for the OpenCV library.\r\n-->\r\n\r\n##### System information (version)\r\n<!-- Example\r\n- OpenCV => 3.1\r\n- Operating System / Platform => Windows 64 Bit\r\n- Compiler => Visual Studio 2015\r\n-->\r\n\r\n- OpenCV => 3.4.2\r\n- Operating System / Platform => Ubuntu 18.04\r\n- Compiler => gcc 8\r\n\r\n##### Detailed description\r\n\r\nHi, I have the following in OpenCV 3.4.2\r\n\r\n    cv::Mat3b a(cv::Size(30511, 26060)); \r\n    cout << a.isContinuous() << endl;\r\n    cv::Mat3b b = a.clone();\r\n    cout << b.isContinuous() << endl;\r\n\r\n\r\nand the result is 0 (false) in both cases, which I think is not correct. At least for `cv::Mat3b b` the docs say \"The original step[] is not taken into account. So, the array copy is a continuous array occupying total()*elemSize() bytes.\"."}}
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