{"action":"created","issue":{"url":"https://api.github.com/repos/strawlab/flydra/issues/33","repository_url":"https://api.github.com/repos/strawlab/flydra","labels_url":"https://api.github.com/repos/strawlab/flydra/issues/33/labels{/name}","comments_url":"https://api.github.com/repos/strawlab/flydra/issues/33/comments","events_url":"https://api.github.com/repos/strawlab/flydra/issues/33/events","html_url":"https://github.com/strawlab/flydra/issues/33","id":294031717,"number":33,"title":"flydra 0.7.3 camera synchronization fails","user":{"login":"llorban","id":619363,"avatar_url":"https://avatars0.githubusercontent.com/u/619363?v=4","gravatar_id":"","url":"https://api.github.com/users/llorban","html_url":"https://github.com/llorban","followers_url":"https://api.github.com/users/llorban/followers","following_url":"https://api.github.com/users/llorban/following{/other_user}","gists_url":"https://api.github.com/users/llorban/gists{/gist_id}","starred_url":"https://api.github.com/users/llorban/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/llorban/subscriptions","organizations_url":"https://api.github.com/users/llorban/orgs","repos_url":"https://api.github.com/users/llorban/repos","events_url":"https://api.github.com/users/llorban/events{/privacy}","received_events_url":"https://api.github.com/users/llorban/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":3,"created_at":"2018-02-02T21:39:58Z","updated_at":"2018-02-11T21:03:37Z","closed_at":null,"author_association":"COLLABORATOR","body":"Starting main_brain.launch works, camnode runs and detects four cameras, but camera synchronization fails in the following way:\r\n\r\n```\r\nroscd ros_flydra; python scripts/simple-console.py --sync\r\nsync cameras\r\nTraceback (most recent call last):\r\n  File \"scripts/simple-console.py\", line 86, in <module>\r\n    sync_cameras()\r\n  File \"scripts/simple-console.py\", line 16, in sync_cameras\r\n    xx.call()\r\n  File \"/opt/ros/kinetic/lib/python2.7/dist-packages/rospy/impl/tcpros_service.py\", line 495, in call\r\n    service_uri = self._get_service_uri(request)\r\n  File \"/opt/ros/kinetic/lib/python2.7/dist-packages/rospy/impl/tcpros_service.py\", line 463, in _get_service_uri\r\n    raise ServiceException(\"service [%s] unavailable\"%self.resolved_name)\r\nrospy.service.ServiceException: service [/flydra_mainbrain/do_synchronization] unavailable\r\n```"},"comment":{"url":"https://api.github.com/repos/strawlab/flydra/issues/comments/364788261","html_url":"https://github.com/strawlab/flydra/issues/33#issuecomment-364788261","issue_url":"https://api.github.com/repos/strawlab/flydra/issues/33","id":364788261,"user":{"login":"astraw","id":30176,"avatar_url":"https://avatars3.githubusercontent.com/u/30176?v=4","gravatar_id":"","url":"https://api.github.com/users/astraw","html_url":"https://github.com/astraw","followers_url":"https://api.github.com/users/astraw/followers","following_url":"https://api.github.com/users/astraw/following{/other_user}","gists_url":"https://api.github.com/users/astraw/gists{/gist_id}","starred_url":"https://api.github.com/users/astraw/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/astraw/subscriptions","organizations_url":"https://api.github.com/users/astraw/orgs","repos_url":"https://api.github.com/users/astraw/repos","events_url":"https://api.github.com/users/astraw/events{/privacy}","received_events_url":"https://api.github.com/users/astraw/received_events","type":"User","site_admin":false},"created_at":"2018-02-11T21:03:37Z","updated_at":"2018-02-11T21:03:37Z","author_association":"OWNER","body":"OK, so it seems there are 2 issues: 1) the mainbrain is running at the name `main_brain` not `flydra_mainbrain` as expected by the script. 2) there is no `do_synchronization` available from it.\r\n\r\nLet's solve them one at a time, so for the first one: how are you starting the main brain? If it is a launch file, please change `name=\"main_brain\"` to `name=\"flydra_mainbrain\" so it is something like this:\r\n\r\n    <node name=\"flydra_mainbrain\" pkg=\"ros_flydra\" type=\"main_brain\"/> "}}
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