How to specify relative path file name in SDF
I created a custom plugin for my robot. I tested it in Gazebo and it seems to be working fine. Now I need to launch the entire model into Gazebo using roslaunch. I am following this...
View ArticleGazebo not loading certain links
The urdf was loading just fine before, but I am trying to add an arm and those links will not load. All parts load in rviz, but not in gazebo. I have tripple checked the syntax, but I can not find an...
View ArticleTransform tree damaged after upgrading ROS
Hello ROS community, I am trying to upgrade from Ubuntu 16.04 + ROS kinetic + Gazebo 7 to Ubuntu 18.04 + Ros Melodic + Gazebo 9. I have a ROSLaunch file that runs gazebo with an environment and a node...
View ArticleNeed help visualizing topics using Rviz and opennicamera plugin
Hello, I'm trying to visualize the topics that are being published by my gazebo model using the opennicamera plugin, if I execute rostopic list this is the output: peroanjo@peroanjoPC:~$ rostopic list...
View ArticleCan you apply material to in Gazebo9?
I have a model with several visual elements attached to a single link: Is it possible to add unique material to each of those visuals for Gazebo 9 simulation? I am trying to follow online tutorials,...
View Articleturtlebot_world.launch and gmapping_demo.launch cannot simultaneously run?
Before this gets marked as a duplicate of http://answers.gazebosim.org/question/4153/gazebo-crashes-immediately-using-roslaunch-after-installing-gazebo-ros-packages/, I tried everything in that...
View ArticleGazebo for two launch files (turtlebot_world.launch and gmapping_demo.launch)...
Before this gets marked as a duplicate of http://answers.gazebosim.org/question/4153/gazebo-crashes-immediately-using-roslaunch-after-installing-gazebo-ros-packages/, I tried everything in that...
View ArticleIssues on simulating a 4-bar with ROS/Gazebo
Dear all, I'm trying to simulate a robot on Gazebo, with a 4-bar legs. Since URDF doens't support closed chains, i worked my model on SDF with nested models. Now, i need to do PID controls on its legs...
View ArticleURDF or SDF when working with ROS and Gazebo
I'm using ROS Melodic and Gazebo 9.6.0. I've just started to learn ROS and Gazebo. Reading the [URDF XML specifications](http://wiki.ros.org/urdf/XML), I have found that there is a [Gazebo...
View Articlehow Could I get a parameter from the parameter server and use it in .yaml file.
What I am trying to do is to install two turtlebots in GAZEBO in reference to this famous [post](https://answers.ros.org/question/41433/multiple-robots-simulation-and-navigation/) and try to cover...
View ArticleI can't use the robot in URDF but I can in Gazebo
I'm just started to learn ROS and Gazebo using ROS Melodic and Gazebo 9.6.0. I use this launch file to open RVIZ: But I see that on it:  I use this...
View ArticleMake correct Joint in gazebo to control own robot.
Hello i project my own model of robot in gazebo. Now i would like to make movable only wheels of my robot. I just wana ride atm. How can i do it, with use ROS. I use simple tutorial, and now i am stuck...
View Articlegazebo is crashing:Segmentation fault
Hi, i have been trying to run gazebo7.0.0. with turtlebot3 burger simulation using ubuntu 16.04 and ros kinetic.When i do roslaunch it is throwing this error: ROS_MASTER_URI=http://localhost:11311...
View Articlerun/stop a node after other node stops
Hello everybody, I am running multiple nodes, one of them (an exploration node) stops working when it finishes its task. I am hopping to run and stop another different nodes when this happens. can...
View ArticleHeight difference between base link and odom
Hey guys. I was developing my robot model, I don't understand why the base link and odom is not aligned in rviz? Which parameter may cause this type of discrepancy? This makes the robot float in the...
View ArticleAdding or increasing odom drift in Gazebo
How does one add or increase odom drift in Gazebo? We've found that the simulation doesn't really replicate the real world operation at all, due to odom drift. Thanks
View Articlehow to run gazebo docker container in Mac
Although gazebo can be installed on Mac directly, I found it's not very reliable during the use - for example, it spins all the time when I even try to drag a simple object into the model editor. I...
View Articlemoveit error ABORTED: No motion plan found. No execution attempted.
Hello, I’m using moveit c++ interface in order to send a cartesian pose to the gazebo simulated robot. Below is the code which i’m using to send the pose, the mentioned pose is retrived from gazebo by...
View ArticleWhy do we use Rviz when we have Gazebo ?
Hi, I have this kind of curious question. Because if I google for the difference between RVIZ and Gazebo they give me the result like. Gazebo is a real world simulator(with visualization tools) and,...
View ArticleSaving Images with image_saver with timestamp
Hello Guys, i use linux 16.04 with ros kinetic and gazebo 7.0. I have a simulated turtlebot from the turtlebot package. I want to save the rgb images with timestamp like i can save the pcd files with...
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