Questions tagged [ros]

ROS (Robot Operating System) is a free, open-source robot software framework initially developed by Willow Garage. And now under the maintenance of Open Robotics.

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I get the error "find_package(catkin) failed" in my workspace after cmake

I am working with a catkin workspace in C++ and when I open it in an IDE, the cmake command gives the following error: CMake Error at CMakeLists.txt:65 (message): find_package(catkin) failed. catkin ...
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Why am i getting a PEAK_RETURN_CODE_NOT_FOUND Error when trying to start a camera using ROS and SSH?

I am working on a project where I want to control sensors and a camera connected to an Ubuntu 20.04 system. To avoid using the terminal on the Ubuntu system directly, I want to use buttons connected ...
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1 answer
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ROS1 Noetic Custom messages - Command line publish char[]/uint8[] support

I have a custom ROS1 Test.msg message which I use in roscpp Noetic: uint8[] a uint8[] b I use uint8[] to represent strings, because I can't use simple string type ...
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ROS1 Custom messages memory leak when using multiple string types

In ROS1 Noetic, I have the following custom message named Test.msg: int32 did string a string b And I have another custom message TestList.mgs: Test[] testList In ...
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2 answers
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how do i create a /map frame?

I have the following tf tree, but I'm missing the /map frame. Where does it come from? What is supposed to publish it?
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ModuleNotFoundError: No module named ‘pyzed’

when editing the program in the ros environment,it shows: ...
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1 answer
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Node keeps crashing due to: `ValueError: generator already executing`

One ROS node I implemented keeps crashing with the error ValueError: generator already executing. I have no clue what is going on, this node doesn't have anything ...
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One of my ros node emits [Errno 111] Connection refused in docker container

I am currently developing ros packages in docker system. The environment I am using is ROS noetic, Ubuntu focal on a docker container One of my package is failing. I seems it is due to failing to get /...
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"call setup.bat" issue in ROS 2 humble install on windows 10

I am trying to install ROS 2 on windows 10. I went through the setup guide without any issues and errors until the stage of "Environment setup Start a command shell and source the ROS 2 setup ...
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1 answer
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using zed camera with ros?

i am trying to use the zed camera with ros and i used this tutorial "https://www.stereolabs.com/blog/index.php/2015/09/07/use-your-zed-camera-with-ros/" but i have these errors ...
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1 answer
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Unknown CMake command "add_service_files"

These are the code I include in my CMakeLists.txt add_service_files( FILES AddTwoInts.srv ) However, when I try to use ...
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2 answers
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SLAM but without actually driving the Robot?

I am just starting with SLAM and have to implement SLAM to get a dimensions (map) of an indoor space. I have looked at the turtlebot3 slam and slam_toolboox packages with algorithms like gmapping and ...
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Can I launch a project made for gazebo classic in gazebo ignition?

As the title mentioned, I was working on a gazebo project on gazebo classic. And I made the robot model using urdf. However one of the plugins I planned to use(segmentation cam) seems to only work in ...
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How to modify the abb_driver support package so that ROS can be used to control the coordinated movement of dual robotic arms

First of all, please note: The RobotWare version is 6.15, and the dual robotic arms have only one controller (with MultiMove control module), and the ROS version is noetic. My question is how to ...
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Getting started with Swarm Robotics

I'm a robotics engineer working with industrial robot's installation and commissioning. I would like to start swarm robotics. How can I start with it and progress in it? What are the necessary ...
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1 answer
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How to Integrate a Custom Global Planner with Move_base for Dynamic Path Generation?

I've developed a custom global planner for a ROS project, which dynamically generates new paths based on certain conditions. This means that the global planner continuously produces new paths during ...
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2 answers
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ROS and DOCKER installation?

Hi, Can someone clarify my doubt regarding ROS & Docker installation ? My doubt is that whether we have to install first ROS on Ubuntu and then Docker in ROS environment OR we have to install ...
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3 answers
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ROS cannot install Noetic due to unmet dependencies 20.04

Hi all, Today I've tried installing ROS Noetic on a fresh install on 20.04 Ubuntu. Following the instructions on the ROS wiki for installation. I've now tried this both in a VM on a desktop, and ...
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1 answer
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Unable to get publish topics in ROS2 - mobile robots

I'm using py launch files for spawing a robot in Gazebo environment. System: ROS2-humble After the robot description files(xacro) are launched the ODOM, lidar and GPS (all are gazebo plugins) topics ...
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1 answer
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Install ROS and Gazebo on MacOS 14

I am a newbie in robotics. Now I am trying to install ROS and Gazebo on MacOS 14, but it is quite confusing for a newbie like me. Can you guys create a post on how to install Ros and Gazebo on MacOS ...
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Error when installing ROS Neotic on Ubuntu 20.04

When I try following the ROS wiki guide to install the ROS Noetic on my Ubuntu 20.04 (It's WSL), I met with this error about the key setting up. ...
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1 answer
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Transform failed during publishing of map_odom transform

i am trying publish tf and odom. my problem is that i always get this error: ...
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0 answers
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Possible Open Robotics Youtube Channel [closed]

Will Open Robotics upload the Vimeo contents to Youtube to make ROS-Con videos more accesable in close future? Thanks
1 vote
1 answer
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RViz cannot display robot arm until I enable show robot collision

I followed the tutorial to display a robot arm in RViz. However, Rviz displayed nothing until I enable the "show robot collision" feature in MotionPlanning-Scene Robot Can anyone tell me how ...
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How do I use catkin_download_test_data() correctly to run rostests?

I have a working rostest which I was running against a bagfile of image data. Earlier I had stored it in my git package but since its a big file I am thinking of storing the bag file in cloud and ...
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1 answer
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reading depth in mm from ros depth image

I want to read a depth image from ros. I subscribe to the /camera/aligned_depth_to_color/image_raw/compressed topic published by a intel realsense D435i camera. I ...
1 vote
1 answer
98 views

How do you publish on a ROS topic when the message type is not known?

I am trying to publish a ROS message in Python but I do not know the message type. I tried using AnyMsg and it did not work. If this is possible would someone be able to provide a Python code snippet?
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How to determine which direction is the forward direction of the car in ROS?

after writing the description file for the car myself. urdf.xacro, the car looks normal in both Gazebo and rviz. But when I use Teleop_ Twist_ When the keyboard controls the movement of the car, it is ...
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Unknown frame map error(I know I have to be specific but I just don't know what the problem is..)

I am trying to move code (based on ros navigation) from jetson nano to jetson orin. In the jetson I have installed docker and version of ros is noetic both. the code was successful and able to ...
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2 answers
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octomap_msgs/conversions.h: No such file or directory

Using 64-bit Ubuntu 22.04.3 LTS On "colcon build" I'm recieving the following error: ...
1 vote
1 answer
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ROS/ROS2 on buildroot

I would like to run ROS or ROS2 on an Odroid C4 board with a Buildroot base OS (kernel 6.4). I know that it is possible to run it with Yocto but I have not seen any Buildroot packages. I cannot switch ...
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2 answers
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Colcon build error : 0 packages finished

I am using ROS2 humble on Windows 10 and it is installed successfully. Now I am going through this tutorial for creating a workspace: https://docs.ros.org/en/humble/Tutorials/Beginner-Client-Libraries/...
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1 answer
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ROS: Execute action for every waypoint along moveit path

A robot should move along waypoints and operate on a state in parallel, say print a state for every waypoint. Given: ...
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How to adjust the frequency of YDLiDAR X2

I am using YDLiDAR X2 within a ROS environment. According to the datasheet, the voltage must be varied to adjust the frequency of the LiDAR. However, I apply the same voltage every time, but on some ...
2 votes
2 answers
57 views

Is there a way to publish a ROS AnyMsg in Python?

I am trying to publish a rospy.msg.AnyMsg by doing the following: ...
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1 answer
129 views

Running RViz inside a docker container on macOS Sonoma

I am trying to run RViz inside a docker container created from arm64v8/ros:noetic image Background info MacBook Air M2 MacOS Sonoma 14.0 Docker Desktop Version 4.24.2 (124339) XQuartz 2.8.5 (xorg-...
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1 answer
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Docker and MATLAB

I am running my roscore from MATLAB using rosinit and the ROS_IP was set '127.0.0.1', this creates a ROS Master at 'http://127.0.0.1:11311'. I am running ROS within a docker container running on the ...
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1 answer
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Is it possible to install Ubuntu 20.04 in MacOs M2 chip?

I am using ubuntu 20.04 in UTM virtual machine, but gazebo is not properly working. So I decided to install ubuntu 20.04 as dual boot but unable to make in M2 chip, any source from where I can install ...
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1 answer
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Gazebo urdf model falls through the ground

I built a model with Solidworks and exported it as urdf. I believe the exported file is fine as I can insert it in the gazebo world. However, once I insert it, it falls down through the ground. Could ...
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2 answers
510 views

Want to make an URDF starting from a robot .STL

I want to make an URDF from a Staubli TX2-140. I have the .STL of the all arm. Does someone know how to separate it to get individual links .STL? Thanks
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1 answer
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How to access the true ROS cost map boundaries instead of defaultones?

I am trying to do a basic RRT global planner implementation in ROS Melodic. I am using a wheeled mobile robot for testing my own global planner plugin for robot navigation through move_base. I am ...
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1 answer
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ROS1 or ROS2? in Autonomous Navigation

I am starting my thesis in Autonomous Navigation as a Mobile Robotics project, i am new to ROS and i need some advice on which one to choose between ROS1 or ROS2 to successful finish my thesis, and ...
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1 answer
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Trouble with running ros1_bridge with external robot using Docker

Show activity on this post. for a project, I have a robot that is running Ubuntu 18.04 with ROS1 Melodic and a desktop that is running Ubuntu 22.04 with ROS2 Humble. In order to use the ROS1 bridge I ...
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1 answer
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Error fetching dependencies from Git repo

I have cloned this repo:https://github.com/ClemensElflein/open_mower_ros however when fetching the dependencies with: ...
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2 answers
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ROS2 equivalents to ROS1 roscd, rosmsg rossrv

Are there equivalent commands for roscd, rosmsg and rossrv (especially for ...
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Trying moving arm using cartesian waypoints

I am trying to move my arm using providing Cartesian way-points. I am generating Cartesian way points and feeding the arm to move on those using moveit. When I try to move it using only position ...
1 vote
1 answer
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Rviz crash when adding topic

I'm using a plugin for visualization of topic type vision_msgs/Detection3DArray. I add a point cloud and there is not problem, but when I add this topic Rviz crashes with this error message: ...
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2 answers
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Packages for turtelbot2

i am new to ROS world and i have to find ROS1 and ROS2 packages for turtelbot2 and compare them (what changed from ROS1 to ROS2), what are those Packages and where can I find them?
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1 answer
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Controller manager not available in ROS2

I can visualize my robot on gazebo but I get an error when launch file is starting like below. How can I fix that? Error: ...
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error: no type named ‘type’ in ‘struct std::enable_if<false, void>’ when calling rclcpp::create_timer()

I am trying to convert a piece of code written in ROS1 to ROS2. I am having trouble with the following line, which instantiates a ros:::Timer object: in ROS1: ...

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