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Questions tagged [gazebo-simu]

For questions about the Gazebo robot simulation tool

For questions about the Gazebo robot simulation tool

215 questions
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1 answer

gazebo11 - symbol lookup error: libavfilter.so.7d

I am trying to run Gazebo 11 on my Ubuntu 20.04 system. After the installations, when I run gazebo with terminal, I encounter with this error below: gazebo: symbol lookup error: /lib/x86_64-linux-gnu/libavfilter.so.7: undefined symbol:…
fu3ry
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I have cmake error when trying to build Gazebo from source

I am trying to compile Gazebo from source. I ran cmake .. in a build directory but get the following errors. Which packages do I need to install? (Ubuntu 18.04) @evadro-PowerEdge-T620:/tmp/gazebo/build$ cmake ../ -- Gazebo version 11.0.0~pre1 --…
Razan
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W: Key is stored in legacy trusted.gpg keyring (/etc/apt/trusted.gpg), see the DEPRECATION section in apt-key(8) for details

I have installed gazebo on my ubuntu 22.04 LTS following the steps in https://classic.gazebosim.org/tutorials?tut=install_ubuntu via their alternative installation. I am getting the following error when I try to update the packages using sudo apt…
Jishnu
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How to create two map simultaneously using one gazebo?

As shown in the figure below, now my gazebo is running 2 slam_gmapping package. First is /turtlebot_slam_gmapping publish to the /map topic. Second is /slam_gmapping publish to the same /map topic as first. I would like to create a new /map topic…
AmirulJ
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ERROR The following nodes should be connected but aren't: * /move_base->/move_base

When I tried the launch my navigation.launch, the robot comes in the desired direction in rviz, but when I use 2d pose estimate, it turns the robot 90 degrees to the left according to what it should be. Later, when I give a target point with 2d nav…
elypheldia
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How to install humanoid_navigation ROS kinetic Ubuntu 16.04?

When installing ROS Kinetic packages (Ubuntu 16.04), namely humanoid_navigation, it throws an error when executing catkin_make. Without this package, catkin_make runs without error. Everything was done according to the instructions…
Артём Картавых
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In ROS turtlesim how to move turtle in sine curve

In ROS turtlesim, how can we move turtle in sine path? I know we need to use proportional controller to achieve this. But am not getting actual method to do so. I have attached the code for the same which i have tried till now Note: in callback…
crazy coder
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Project a line laser visible on camera sensor on Gazebo simulation

I am trying to create an one line laser sensor to project in a object and being capable to visualize the laser over a camera image on Gazebo simulation environment but I am not being able to make it work. The only example I found in internet was…
Daniel Regner
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3 answers

gazebo freezes when saving new world

I have installed Gazebo 9 with ROS melodic on Ubuntu 18.04. I keep getting the following problem: Start Gazebo Add some objects to the world File -> Save As... The program freezes and the saving window does not show up It is possible to Alt+F4 to…
Abdullah Razzaq
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2 answers

Controller_manager : [ERROR] Controler Spawner couldn't find the expected controller_manager ROS interface

I know there is already a lot of questions on this particular error but none of the ones i found solved the issue for me... I'm trying to implement the ROS differential drive controller for a two wheeled robot in gazebo, but when launching the…
boubside
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1 answer

Gazebo Callback not firing

I am attempting to write a small library to interface Gazebo with Python (I tried using the pygazebo library and had no success). I am attempting to get the output from a camera and find April Tags and store the position data in a class variable…
Cameron D
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Publishing robot_description for multiple robots

Hello to everyone, I am struggling a bit with my gazebo project. Please any kind of help would be welcomed. What I am trying to do: I want to have multiple robot_descriptions as publisher for multiple robots of the same type. My goal is to visualize…
anton mlynar
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Python Casting a sorted list to dictionary, difference in Google Colab and Pycharm

chars = dict(sorted(crops.items(),key=lambda kv: kv[1].size, reverse=True)[:4]) I am creating a dictionary, chars, that maps count variables (any integer vals) to my four largest crop values from a previous dictionary, crops. I am running the above…
develkneifel
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run gazebo on EC2

I'm trying to develop an robot application. But I don't have GPU locally. So I created an EC2 instance, and tried to run gazebo on it. However, it always fails with the following error. Maybe it's because I'm using VNC to connect to the server. Dec…
suihe dolood
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How to use gazebo to build a map from given map image?

I have a picture of a university campus and want to make a similar map in a gazebo, how to build such a map in a gazebo, I have searched but no answer. I'm using ros1 noetic.
Huy Bùi Quốc
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