{"action":"created","issue":{"url":"https://api.github.com/repos/lrse/whycon/issues/18","repository_url":"https://api.github.com/repos/lrse/whycon","labels_url":"https://api.github.com/repos/lrse/whycon/issues/18/labels{/name}","comments_url":"https://api.github.com/repos/lrse/whycon/issues/18/comments","events_url":"https://api.github.com/repos/lrse/whycon/issues/18/events","html_url":"https://github.com/lrse/whycon/issues/18","id":320408559,"number":18,"title":"Error when try to rosrun whycon","user":{"login":"sdorman","id":38948338,"avatar_url":"https://avatars0.githubusercontent.com/u/38948338?v=4","gravatar_id":"","url":"https://api.github.com/users/sdorman","html_url":"https://github.com/sdorman","followers_url":"https://api.github.com/users/sdorman/followers","following_url":"https://api.github.com/users/sdorman/following{/other_user}","gists_url":"https://api.github.com/users/sdorman/gists{/gist_id}","starred_url":"https://api.github.com/users/sdorman/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/sdorman/subscriptions","organizations_url":"https://api.github.com/users/sdorman/orgs","repos_url":"https://api.github.com/users/sdorman/repos","events_url":"https://api.github.com/users/sdorman/events{/privacy}","received_events_url":"https://api.github.com/users/sdorman/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":3,"created_at":"2018-05-04T19:57:25Z","updated_at":"2018-05-07T20:02:01Z","closed_at":null,"author_association":"NONE","body":"I’m trying to run Whycon using ROS Kinetic with a USB camera on Ubuntu 16.04 LTS. I followed the whycon tutorial to calibrate the camera. After calibration, I ran in my home directory $ROS_NAMESPACE =usb_cam rosrun image_proc image_proc \r\nAnd in a new terminal: $rosrun image_view image_view image:=usb_cam/image_rect_color\r\nThis worked with no issues. I then unpacked the calibration data from the tar.gz file using $tar -xvzf and then converted the ost.txt file to an ost.ini via $mv ost.txt ost.ini and then ran $rosrun camera_calibration_parsers convert ost.ini whycon_transforms.yml  to convert to a yml file. \r\nI sourced catkin_ws and then moved up to the whycon directory to run $rosrun whycon whycon _targets:=1. Here I get the error “could not load file”.  \r\n![image](https://user-images.githubusercontent.com/38948338/39649220-0673955e-4fb3-11e8-8063-77c80a366518.png)\r\n \r\nThis error also occurs in any other directory than my catkin_ws/src folder. If I move back to ~/catkin_ws/src I get the following error.  \r\n![image](https://user-images.githubusercontent.com/38948338/39649238-253b1278-4fb3-11e8-8221-2e23a2bc9eeb.png)\r\n\r\nI’ve tried redownloading Whycon and repeating the entire process but that did not work. I’m not sure where I went wrong, but any help would be appreciated. I’ve included the yml file in question and the whycon_ros.cpp that pulls the whycon_transforms.yml file. \r\n\r\n[whycon_transforms.yml.txt](https://github.com/lrse/whycon/files/1975727/whycon_transforms.yml.txt)\r\n\r\n[whycon_ros.txt](https://github.com/lrse/whycon/files/1975736/whycon_ros.txt)\r\n"},"comment":{"url":"https://api.github.com/repos/lrse/whycon/issues/comments/387185912","html_url":"https://github.com/lrse/whycon/issues/18#issuecomment-387185912","issue_url":"https://api.github.com/repos/lrse/whycon/issues/18","id":387185912,"user":{"login":"sdorman","id":38948338,"avatar_url":"https://avatars0.githubusercontent.com/u/38948338?v=4","gravatar_id":"","url":"https://api.github.com/users/sdorman","html_url":"https://github.com/sdorman","followers_url":"https://api.github.com/users/sdorman/followers","following_url":"https://api.github.com/users/sdorman/following{/other_user}","gists_url":"https://api.github.com/users/sdorman/gists{/gist_id}","starred_url":"https://api.github.com/users/sdorman/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/sdorman/subscriptions","organizations_url":"https://api.github.com/users/sdorman/orgs","repos_url":"https://api.github.com/users/sdorman/repos","events_url":"https://api.github.com/users/sdorman/events{/privacy}","received_events_url":"https://api.github.com/users/sdorman/received_events","type":"User","site_admin":false},"created_at":"2018-05-07T20:02:01Z","updated_at":"2018-05-07T20:02:01Z","author_association":"NONE","body":"I'm sorry, I'm really new to ROS. What exactly do you mean \"subscribed rviz on the corresponding topic\"?"}}
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