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- ROS Answers archive
This is the static archive of questions from ROS Answers archive Answers
- TF with unknown publisher - ROS Answers archive
You seem to be using tf_monitor, I think it might be bugged because if I use it I also get "unknown publisher" but if I use rqt_tf_tree the broadcasters are correctly identified Also roswtf doesn't complain Try those other debugging tool to see if there is really something bad happening Asked by on 2020-07-08 07:01:41 UTC
- subscribe image slow on rospy with python3 and melodic - ROS Answers . . .
Note that I had to build ros from source setting python executable to python3 in order to use python3 packages with ros melodic
- [ROS2] call service :waiting for service to become available - ROS . . .
Asked by jlepers on 2020-02-28 06:06:36 UTC
- ROS_INFO vs ROS_INFO_STREAM - ROS Answers archive
Is there some clear guidance when to use which? I have read somewhere that ROS INFO is for C, whereas ROS INFO_STREAM is for C++ but I am sure there must be more to it Thx for you explanations Asked by ticotico on 2021-08-30 04:53:14 UTC
- Undefined reference to tf2::fromMsg - ROS Answers archive
However your problem appears that you are trying to convert a Transform into a TransformStamped which isn't going to work because they are not holding the same data You won't find conversions like that You need to not remove the transform from your call like: tf2::convert (geo_tf_stamped, tf2_stamped); to have matching datatypes Asked by on 2018-04-23 12:33:04 UTC
- ROS melodic installation unmet dependencies problem
After the command: $ sudo apt install ros-melodic-moveit The terminal reminded me as follows: The following packages have unmet dependencies: ros-melodic-desktop-full : Depends: ros-melodic-desktop but it is not going to be installed Depends: ros-melodic-perception but it is not going to be installed Depends: ros-melodic-simulators but it is not going to be installed Depends: ros-melodic-urdf
- ROS2 How to uninstall remove a package - ROS Answers
In ROS1 I would source ROS again, rebuild my packages and it would be done ! But here in ROS2 Dashing even when sourcing ROS2 again I still have this package in those env variables : COLCON_PREFIX_PATH, AMENT_PREFIX_PATH, CMAKE_PREFIX_PATH
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