URI paths to packages in the SDF model file?
Hi All, I'm trying to create a SDF from COLLADA files I have already. However, the files I'm trying to link to are located in different files (I'm trying to load a sensor on the robot). In URDFs I...
View ArticleTricycle drive plugin: Impossible to control linear and angular speed at the...
Hello, I believe there is a bug in the tricycle plugin. I'm testing the ROS2 Galactic version of the plugin:...
View ArticleHow to generate a 3D occupancy map for a Gazebo world
Given a Gazebo world, is there a way to generate a 3D occupancy map? I want a 3D matrix of 0s/1s so that I can use it for path planning algorithms.
View ArticleGazebo allows one model to be inserted and then it freezes
Hello, I am trying to insert a custom model into gazebo but most of the time upon inserting the first model it sits on the floor and then when inserting another of the same model nothing happens. If I...
View ArticleCreate voxel map from a gazebo world
Hello, Is there a way to generate a Voxel map of a Gazebo world without using mapping algorithms & robotic sensors?
View ArticleCan I apply zero gravity on .urdf models?
HI there. I am trying to implement Gazebo simulation for space environment using International Space Station(ISS) urdf model. I wants to ISS urdf model apply zero gravity but it doesn`t work. Can I...
View ArticleContact Sensor Plugin does not Provide all information
When trying to include a contact sensor plugin, the plugin only publishes the contact positions but does not publish contact wrenches or depth. This is also the case when you run the...
View Articleinclude model in world 2023
What is the procedure to add a custom model to a .world file (using Gazebo Fortress)? I installed Gazebo Fortress on Ubuntu 22.04 using the Fortress binary at https://gazebosim.org/docs. I also have...
View Article[gazebo-1]; process has died [pid 3631, exit code 139
After running my launch file I got this error: gazebo has problem INFO] [1690533387.960548, 0.695000]: Controller Spawner: Loaded controllers: joint_state_controller, robot_arm_controller,...
View ArticleHow to add multiple HWSim instances in gazebo?
I am simulating a [franka panda arm](https://frankaemika.github.io/docs/) mounted with [shadowhand](https://shadow-robot-company-dexterous-hand.readthedocs-hosted.com/en/latest/index.html) in Gazebo....
View ArticleHow to communicate Gazebo in Ubuntu with ROS Melodic and Unity 3d in Windows
I need to make a demo where I can see how the robot in Gazebo moves in the same way the robot in Unity. I'm using in this case a turtlebot3 burger. For the communication between ROS and Unity i'm using...
View ArticleCannot locate rosdep definition for gz-transport12 and gz-math7 after...
Hi, my question is similar to [this](https://answers.gazebosim.org/question/28756/why-install-rolling-sources-for-rosdep-when-using-humble-for-ros_gz/). The difference is I am building Gazebo Garden...
View ArticleClose-loop kinematics in URDF and SDF
Hello everyone, I am trying to find a working solution to close some joints sharing the same child link. Particularly, I'm trying to describe in URDF and SDF an Ackermann suspension:...
View ArticleHow to simulate a "Vaccum" or a suction action?
Hi, I'm new to gazebo and ROS, I apolagize if my question may not make sens, I'm currently looking for a way to simulate suction or vacuum like effect , (not to pick object) it's more of a vaccuming...
View Articlehelp for installing lidar on a drone
Hi all, I'm trying to install a lidar on a drone (x500, model provided by PX4 repo). I found several examples, but all seems outdated. For the plugin, an example give the name of...
View ArticleStart actor trajectory from plugin
Hello, I'm new to plugin development in Gazebo, i am trying to start an Actor trajectory from a Plugin during simulation execution. I added a simple actor in my world description (sdf file). Like this...
View ArticleGazebo sim code concepts
Dear all, I was looking into the conveyor demo and specifically [why it didn't work](https://github.com/gazebosim/gz-sim/issues/1662#issuecomment-1485840870). As it turns out it is due to a patch not...
View ArticleGazebo garden : Plugin for FOV distortion model
Hi! I see that gazebo garden is using the Brown Conrady radian distortion model. For my research however, I would need to use the FOV distortion model from "Devernay, F., Faugeras, O. Straight lines...
View ArticleHOW TO CREATE QR CODE IN GAZEBO11
I want to create QR Code model in Gazebo11. I read many blog for this problem but i cannot solve. I want to give detail about my project, i want to add and scan qr code and using mobile robot such as...
View ArticleFailed to load gz-sim-diff-drive-system
I'm trying to use gz-sim-diff-drive-system plugin like this:Revolute 10Revolute 90.20.041cmd_vel but receiving the following error when starting gazebo: [ruby $(which ign) gazebo-2] [Err]...
View ArticleMesh optimization for "fast" simulation
Hi, i created a robot model with some links. All links are meshes, like the UR10 from Universal Robotics has its shoulder_link, elbow_link and so on. For example the simulation for the UR-10 uses the...
View ArticleHow to get colliding entities with gpu_lidar sensor (ray)
Good morning, I open this question as I have not found a way to get the `model_entity` that collides with the `gpu_lidar` sensor. I would like to be able to attach with such entity, but I can't know...
View ArticleHow to get information between entities in contact with disabled physical...
Good morning, everyone, I am trying to get some information between two links in contact. These two links need to be able to interpenetrate into each other, so to do this I set the `` to get a bitwise...
View ArticleVibration in Gazebo model.
Hi, I am trying to create a sdf file for two wheel robot. I can see in gazebo window that my model is vibrating constantly, When I only run the base or wheel alone they don't vibrate. I am sharing my...
View ArticleGazebo Fortress Custom plugins causing scene to not load
Ubuntu 22.04 Gazebo: Ignition Fortress gazebo plugin: 1 Context, I've been trying to get a force sensor plugin working in gazebo fortress, however all the ones I've found are either for gazebo classic,...
View ArticleExplain 'Exporting model paths from a package.xml section' of 'Using...
I was going through [this](https://classic.gazebosim.org/tutorials?tut=ros_roslaunch) tutorial on Gazebo-classic & wasn't able to understand...
View ArticleHow to access contact Information form via the EntityComponentManager?
I want to create a plugin that publishes the contact forces a specific link experiences along a particular local axis to a specific topic in order to simulate something similar to a pressure sensor. My...
View ArticleGround truth map for a gazebo world like the willowgarage model
Hi all, I use the turtlebot in the willowgarage world to create a semantic mapping system. As the actual mapping (using gmapping for example) is not the most important part of this effort, I would like...
View ArticleSpawning multiple models causes error
I am working on spawning a custom farm where there are 5 types of crops. I am using python spawn code. When i load around 49 plants it goes very well (No error). but when i try to load more than that...
View ArticleSpawning multiple models causes error
I am working on spawning a custom farm where there are 5 types of crops. I am using python spawn code. When i load around 49 plants it goes very well (No error). but when i try to load more than that...
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