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Datatype issue while calling setBool service from JS client

I 'm using this service server in Python: ...
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1 answer
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publish json roslib

I have a dictionary and I tried to JSON.stringify() to turn it into a string which looks like this: ...
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rosbuild and roslib are non existent packages and rosdep cant find (missing resource)

I'm new to linux and ROS. if i've left out any key info needed to fix the issue, please let me know I'm using debian 11 (Bullseye). I installed ROS through the following package deb file : https://...
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2 answers
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How to use ROS in Colab?

Now I'm a complete newbie when it comes to both ROS and Colab. I found this code a while ago, and I want to use it in Google Colab because using the drive makes things easy due to the immensely large ...
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1 answer
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catkin_make could not find roslib

Hello everyone, First of all, thank you for this amazingly helpful forum. I have been using ROS for a few months now, but I only decide to write a question here today. My computer runs a 64-bit Debian ...
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1 answer
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How to fix/changeposition camera in ros3djs

Hi, So I have this PointCloud2 messages which are generated from a drone camera and I am trying to render them on the browser using ros3djs. the cloud of points appear in my viewer but I couldn't ...
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Module not found error with rospkg when trying to import roslib

Hello, I have developed a custom control algorithm for mz robot in gazebo. Untile yesterday I used to use roslaunch spider_gazebo spider_world.launch to spawn the ...
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"ImportError: No module named ..." $PYTHONPATH problem with ansible?

I'm trying to get a piece of research software from github up and running on a lab computer for my professor. Flydra is a multi-camera tracking system used to detect multiple airborne insects or small ...
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1 answer
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roslib.message.get_message_class returns None

I'm trying to create a tool that can dynamicly read service call descriptions from a yaml file and call the services accordingly. (in rospy on kinetic) If i try to resolve a non-standard service type ...
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Could not find the required component 'rosconsole' on macOS

Trying to build ROS melodic on macOS High Sierra I encountered this problem: ...
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Command line tool written in rosperf_main.py cannot find `rosperf talker` executable

I have a rosperf package written in cpp, and runs alright using rosrun rosperf talker. Now I want to create rosperf command line tool (borrowed code from rosbag), ...
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1 answer
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Import error catkin_pkg while importing rosbag, roslib and rospy

I am novice to ROS and I followed the ROS installation tutorial to install ROS kinetic. After installing, I open python to import rospy, roslib and rosbag, but it throws the following error: ...
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What should be the messageType for a custom message?

HI, I created a custom ROS message: string message int32 a int32 b I will need to publish the messages from the web browser (roslibjs) and show it on the terminal, ...
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[roslibjs,rosbridgesuite] How to get data back from the robot in turtleSim

According to the roslibjs documentation, we should be able to get the data back from the robot by using a listener: ...
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problem with roslib

i try to excute the script simple.html from robridge tutorial page. i have this error : ReferenceError: ROSLIB is not defined simple.html: in line 11 Originally posted by ahmedx724 on ROS Answers ...
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roslib.packages is deprecated, what's its successor?

Hi all, The documentation says roslib.packages is deprecated and lets know that rospkg is the new stable API. However I can't find the equivalent methods in rospkg, what are the new get_pkg_dir(), ...
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import roslib; roslib.load_manifest('organizer') error

Hi, I'm new to ROS so probably my error is silly. I'm trying to run this open source project on Baxter. I have pasted the master branch under ros_ws/src. When I try to run the right_hand_camera_srv.py ...
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3 answers
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roslib reference error

I did: string fname = ros::package::getPath("foo") and got: ...
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1 answer
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Is there a C++ equivalent to roslib.get_ros_home()?

In python, it's possible to use roslib.get_ros_home() to query the environment for the ROS_HOME environment variable, and fall back to HOME/.ros if it doesn't exist. This is very useful for finding a ...
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cross compilation of groovy using catkin: librospack.so not found

Hi, I am trying to cross compile ROS groovy on a x86_64 machine for an atom 32 bit system. I got my toolchain file setup, cross-compiled the dependencies (log4cxx, poco), created a catkin workspace ...
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error when build catkin package

I have already make a catkin work space following the ROS tutorial. And I also have created a catkin package in source folder. So next I tried to build the catkin package. Everything works before I ...
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1 answer
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roslib does not exist!

I am new to ros and am still following the tutorials. I was following "Writing a Simple Publisher and Subscriber (Python)", but when I try to compile the code it shows "ImportError: No ...
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2 answers
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roslib.message.get_message_class python node error

Hi, I want to know the class of message giving message type via following one code line. I run this python node on(Fuerte/Ubuntu 12.04) and get following error while the same code does not give any ...
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1 answer
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ImportError: No module named roslib

I am having a problem running python files. Here are the 1st-3rd lines of the py file: ...
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1 answer
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move_arm_warehouse package

I've rebuilt ros from sources completely and I don't think it's my installation, but the python script in the move_arm_warehouse package ...
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2 answers
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Errors in Minimal.launch after installing Fuerte Turtlebot Upgrade

On Ubuntu Oneiric, following upgrade instructions to Fuerte Turtlebot, http://www.ros.org/wiki/Robots/TurtleBot/fuerte/Robot_Upgrade, roscore started Ok with "minimal.launch" though with ...
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1 answer
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ROS Answers SE migration: ROS on Windows

Hi all, I would like to run a very thin client on windows. It is supposed to be only a message sender. I found this link on ROS web site. http://www.ros.org/wiki/cturtle/Installation/Windows It asks ...
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1 answer
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how to migrate bag file containing roslib/Log and visualization_msgs/MarkerArray

Hi! I want to migrate a bag file containing recorded with Diamondback to Electric. The bag contains roslib/Log messages which seem to be missing in Electric, plus visualization_msgs/MarkerArray for ...
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1 answer
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Why the dependencies in actionlib tutorial include "roslib"?

In the introductary tutorial of actionlib package, the sand-box package is created with the dependency roslib. I check up the introduction of roslib package and realize that "roslib contains the ...
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1 answer
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cross-compiling cannot find -lrospack

When cross-compiling for the NAO, I get the error cannot find -lrospack. This also shows up: collect2: ld returned 1 exit status make[2]: * * * [../lib/libroslib.so] Error 1 make[1]: * * * [...
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1 answer
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how does my program find the file system path to a package?

When reading data files, it is often necessary for a program to find the file system path name for the containing ROS package. That may differ depending on where the package is installed on the system....
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