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Asset not cached

I just installed webot R2023b. I tried to do the first tutorial task that involves importing the e-puck robot. I got an error message that says: ...
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How can I launched urdf, sdf models and walls in the same gazebo world?

As the title mentioned, I made models with urdf files, find some public sdf models, and use the build editor in gazebo to generate walls. However I couldn't find a way to launch them other than ...
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Error Code 13 Msg: Directory dosen't exist...when starting Gazebo with .world file including .sdf-models

i have trouble running a world with Gazebo (Version 11.10.2)... When i run the world with the command:gazebo test.world i receive the error: ...
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DAE world dosnt load in gazebo

I am struggling to load my dae world in gazebo using a launch file. I have a dae file containing an apartment called apartment.dae. I have a simple world file ...
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When launching world and robot models, initial attempts succeed, but subsequent launches fail

The first one or two launches of this launch file work without issues, but subsequent launches fail. I am generating two robots in a world, specifically a ridgeback and a turtlebot3 waffle. I suspect (...
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Gazebo Harmonic : world SDF file uses file:/// prefix for paths instead of model://

I'm facing an issue when saving a sdf world with Gazebo Harmonic. I import a model I created into Gazebo. It's located in GZ_SIM_RESOURCE_PATH : ...
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how can the world to map transform be calculated

Given the origin of the map in lat,lon, yaw, pitch and roll how can one calculate the transform from world to map? Here are the steps I have done: calculate the ENU to ECEF transform ...
Ahmed Sobhy's user avatar
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Robot Model does not exist,

I am using the ROS2 humble SPOT github repo, while installing the package in the workspace and running my first command, I came across this problem. I tried to check the launch file for any wrong ...
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gazebo simulation texture or color error. lunar surface is showing yellow black stripes

Hello. I'm trying to make a simulation of moon surface on gazebo. I tried to use this git for importing moon surface model. https://github.com/MobileRobots/amr-ros-config/tree/master/gazebo/models/...
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gazebo unreasonably slow with simple world and robot (on GPU PC)

Hello goal I aim to simulate a (somewhat) complex world with a very simple robot model. problem The real time factor drops to values between 0.1 and 0.01. This makes the simulation unusable. ...
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I have world file to launch then should i include my urdf of robot model inside the world too?

Actually, I'm creating a robot on my own .Now, what happened was when I launched the urdf file using the launch something like this: ...
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configuration for launching gazebo world and model from a package

I have a package containing worlds that have several models defined in the models directory. what configurations (e.g. in package.xml and CMakeList.txt) should I set in order to Gazebo and ROS work ...
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could not open world file

world file ...
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2 answers
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callback function doesnt printout the subscribe msg

hello guys iam new at ROS and iam trying to print the msg and some how it doesnt print it and i cant find where is the problem this is my code ...
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1 answer
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trouble using extern .world

Hi everyone, I'm currently working with this great package (rrt_exploration) and i'm trying to use different map to simulate my environment on gazebo. I tested the map including in the package, and ...
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Problem getting real-time_map using hector_slam!

'Hello all, I am using Xbox360, Ros Kinetic, Ubuntu 16.04LTS I am new to ROS. I want to map an unknown enviroment using kinect. For this I am using freenect and gmapping. I have done these steps: ...
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Gazebo launch file switch between world files

I have a package built and have successfully tested the tutorial world and spawned several robots. However I want to make my own worlds now, but want to easily switch the world that I am using. So if ...
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Saving changes to objects in gazebo_ros world file?

I'm working in ROS (Indigo, Ubuntu 14), starting gazebo 2.2.3 with rosrun gazebo_ros gazebo I go in and create a little corner of a room by dropping in a couple of ...
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Gazebo doesn't give the option for saving a world

Hello, ROS Community! I use Jade distribution, Gazebo 5.1.0 version, Ubuntu 14.04.3 LTS When I add some objects Insert tab of Gazebo and try to save the world after,...
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How to create custom models and include that in .world file?

I need to include a small box (static) object in a .world file that has a picture in it. (I have .launch and .world file that works fine) I am new to ros and gazebo. I am little bit confused with all ...
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1 answer
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.urdf file to .world file

I need to import my model .URDF file to .WORLD file for empy.world : ...
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1 answer
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uv coordinates to world map coordinates

I'm working with turtlebot and I've built and saved a map using gmapping. I'm wondering if there is a funtion that transforms uv coordinates from map picture into world map coordinates. Or if there ...
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1 answer
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Launching gazebo server

BH I'm trying to launch a gazebo server with the help of gzserver but I get this error: Error [RTShaderSystem.cc:409] Unable to find shader lib. Shader generating will fail.Error [Server.cc:285] Could ...
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Which is each frame?

I have a frame tree in which I have /odom and /map frames. My EKF publishes in /odom frame. My AMCL algorithm (I think) creates a transformation between /odom and /map frames. Gazebo gives me the ...
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1 answer
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Loading generated maps into Gazebo

I've got some maps that I've generated using the gmapping/slam packages with a turtle bot. However I would prefer to be working within the simulated environment provided by Gazebo. Is there a way I ...
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3 answers
31 views

Creating custom Gazebo world files from sdf's/dae's for use with roslaunch

Hi, I have been trying to figure this out for a couple of days now and am having trouble. Basically I want to create a world file to be launched via roslaunch that is composed of number of model sdf'...
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2 answers
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Coordinates of a specific pixel in depthimage published by Kinect

I am looking for an answer for hours and finally I am asking it here. I am using CMvision to find a specific color in Kinect's sight and I want to find the real world coordinates of the object with ...
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Frames and rviz visualization

I have the following frame transformation chain: laser_frame -> base_link -> base_stabilized -> base_footprint -> odom -> map -> world Where laser_frame is where the scans are ...
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1 answer
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How to create .world from .yaml

I have a map (the .png file and the .yaml file) and I want to create a .world file, how to do this? Thank you Originally posted by Moda on ROS Answers with karma: 133 on 2014-08-05 Post score: 1
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1 answer
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Manipulator Shakes/Wobbles

I am using a Universal Robots UR5 mounted to a cylindrical post using fixed joints (one to world, the other to the UR5). When I drive it in Gazebo using Moveit! the model shakes/wobbles. It eventually ...
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1 answer
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TF listening fails when called from a specific class

Hi all, I initially had one C++ class broadcasting and listening to tf:Transforms successfuly. The structure of my class was something like: ...
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1 answer
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Getting RGB's pixel related coordinate in pointcloud (real world) with openni

Someone knows how to discover the pointcloud "pixel"(x,y,z in real world) giving a pixel (v,u) from RGB camera? I am using a feature descriptor (ORB) in RGB frame (/camera/rgb/image_color) ...
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1 answer
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Diagonal lines in polygon in ROS Stage

Hi everyone My Stage just can't display the "block" section world file correctly in Ubuntu 12.04 64bit. All the object in Stage world are all has diagonal lines in polygon. The same world ...
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ODE integration method world VS quick in gazebo ROS Fuerte

Hi all, I have a really weird situation. I created both a quadrotor model and mobile robot one. My problem is that if I use the method "quick" it does not work with my position quadrotor ...
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1 answer
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Run/create a first fixed frame with NO_PARENT

Hello and first thanks for reading, as I'm quite new in ros, and quite completely new in tf package, my problem was the next, I wanted to use tf package to transform a point cloud(with position ...
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1 answer
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How to compile and run rosjava Hello World

Ok, rosjava_core is build. Now I moved to the Hello World tutorial "http://docs.rosjava.googlecode.com/hg/rosjava_core/html/getting_started.html". I used the gradlew wrapper and copy pasted ...
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1 answer
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Gazebo initial view of world - my rendering:gui fltk tag is not working

Ubuntu 12.04 Fuerte Gazebo 1.0.2 Hi The following posts describe how to set the initial distance/orientation of the static camera view when your Gazebo .world file loads: http://answers.ros.org/...
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1 answer
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kinect's the world coordinate

kinect 3D point has the world coordinate (x,y,z). where is the the origin of the world coordinates(0,0,0)? Originally posted by hahaha on ROS Answers with karma: 1 on 2012-07-12 Post score: -1 ...
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1 answer
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How can I create a skydome in Gazebo?

I am trying to create a Gazebo world that contains an HDR (High Dynamic Range) skydome and a texture-mapped ground plane. The ground plane was easy, but I haven't discovered how to create the skydome. ...
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2 answers
3 views

Frame problem when using with a third-party node

I'm using laser_scan_matcher node to be working with my node. The problem I'm now having is that I've my /world defined somewhere in my code. In laser_scan_matcher, ...
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2 answers
6 views

About /world frame

I would like to know about /world frame. Is it something to be explicitly defined or is it there automatically in our c++ code? My assumption is that /world frame is supposed to be a fixed frame(if we ...
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1 answer
6 views

Unable to import mesh file

I have created a launch file: ...
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1 answer
59 views

how to mark the prescribed trajectory in gazebo simulation?

Dear, I was able to make my simple model follow the prescribed position trajectory (circle or infinity shape or any smooth trajectory) in gazebo simulation. One more thing I want to do to show the ...
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1 answer
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making *.world file in gazebo package

hi all,how can i do to make a .world file? i read all existing .world file, but i need something else for learning that. thanks in advance. Originally posted by Maurizio88 on ROS Answers with karma: ...
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1 answer
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Create rough terrain for used in gazebo

hi all, i have to create a world with rough terrain. how shall i do that? somebody can suggest me a good tutorial? thanks in advance Originally posted by Maurizio88 on ROS Answers with karma: 155 on ...
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1 answer
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How to create a world link outside of robot's urdf?

After running the pr2_object_manipulation demo, I'm trying to create something similar. I have a urdf for my robot, who's topmost link in the tree is "baseFootprint". The urdf file launches ...
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2 answers
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Rotation error in Gazebo simulation

Hi everywhere. I wrote the following robot model in URDF and then I built a controller to teleoperate with it. The result, as you can see in the video is not the expected, since they rotate on itself ...
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1 answer
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Is there ROS documentation in languages other than English?

Do other people around the world use ROS? Or is it only a US thing? Is there ROS documentation in languages other than English? Originally posted by Alex Bravo on ROS Answers with karma: 901 on 2011-...
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