Only getting NaN values when using depthimage_to_laserscan - ROS . . . I am working on Ubuntu20 04LTS and using ROS Noetic The depthimagetolaserscan node is subscribing to the image topic where I publish the depth images that were converted to the ROS image message with 32FC1 encoding and saved into a rosbag file The values I get for laserscan have all NaN values in ranges:
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
Publish messages immediately within a subscribe callback? - ROS Answers . . . Just use ros::Publisher::publish( )? As long as you're not running multithreaded or asynchronous spinners, callback queue processing is singlethreaded, so you should not run into issues I would expect calling ros::spinOnce() inside a callback to (potentially) result in stack overflow as the callback calls itself
moveit setup assistant crashes when loading urdf - ROS Answers I am using ROS indigo with linux ubuntu 14 04, I am trying to use moveit setup assistant to create robot moveit config package, it used to work without problems, but this morning I did an update afterwards the setup assistant crashes while loading the robot urdf with the following error:
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)
ROS Answers archive ROS Docker Image Setup Containerising Current Environment | 0 answers | 0 votes | Asked on 2021-08-01 14:47:35 UTC Help with tf and sensor odometry and robot positioning | 1 answers | 1 votes | Asked on 2012-07-12 11:29:32 UTC
ROS Answers archive ROS Answers archive Answers Archive This is the static archive of questions from ROS Answers archive Answers Many questions were migrated to Robotics StackExchange but those that were not, as well as other links and information related to the Q A sites are archived here All questions