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That means roscore is not running or you have some network issues. Check if roscore is running and if the problem persists, refer to http://wiki.ros.org/ROS/NetworkSetup for problems with your network.
Thnx for your help ; I run the "" roscore" the topics published """/camera/camera_info /camera/image_raw""" but the actual output for me is ""/rosout /rosout_agg """ ,,, How can I solve this ???
Just to clarify - you expect the output to be "/camera/camera_info /camera/image_raw", but the actual output is "/rosout /rosout_agg"? If so, you need to make sure the nodes that publish or subscribe to "/camera/camera_info /camera/image_raw" are running. Run roscore and "rosnode list" to check.
the only output after ""rosnode list" is """ /rosout """ ????
Okay so that means you haven't started your nodes. You need to do "rosrun package_name node_name". Read the node tutorial: http://wiki.ros.org/ROS/Tutorials/UnderstandingNodes it should help you.
Asked: 2014-05-14 08:39:59 -0500
Seen: 461 times
Last updated: May 14 '14
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