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- ROS Answers archive
This is the static archive of questions from ROS Answers archive Answers
- Rosdep update error:The read operation timed out - ROS Answers
I'm troubled in install ROS on Ubuntu 14 04, when I try rosdep update, this is what it shows:
- Cannot locate rosdep definition - ROS Answers archive
There is no ROS package called gazebo_plugin, nor is there an Ubuntu package (in your case) that is called gazebo_plugin, so rosdep cannot determine which package should be installed to fulfil the dependency It's likely that this is a typo: there is a ROS package called gazebo_plugins (note the s at the end there)
- RTI Connext DDS environment script not found (ROS2 on Windows) - ROS . . .
I am following the official tutorial to install ROS2 on Windows At the step of Environment setup, I did "> call C:\dev\ros2 galactic\local setup bat" and here comes the error:
- Weird looking PointCloud in RViz - ROS Answers archive
Now I have extended my publisher to work with the PMD Nano camboard I'm using The cloud is displayed in RViz however it looks weird:
- libexec directory does not exist - ROS Answers
And it works fine But when I use ros2 run ea maintenance mode manager maintenance mode it doesn't work, I get no executable found
- TF_OLD_DATA ignoring data from the past for frame base . . . - ROS Answers
By doing an echo of my tf topic I am able to see the timestamps of the different transforms, and I realized that those timestamps are given in seconds from 1970, whereas the message I get from Rviz about the base_link frame gives the time in seconds since the moment I launched the simulation:
- ROS 2: How to quit a node from within a callback?
I could do this in ROS 1 simply by calling rospy signal_shutdown () In ROS 2, I tried calling rclpy shutdown (), but this just hangs the node Any thoughts? Below is a modification of the publisher tutorial where I inserted a call to shutdown in the callback that just causes it to hang How can the callback cause the node to quit properly
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