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Questions tagged [turtlesim]

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Fixing the consensus algorithm code for ROS Noetic

The Python script below is about an implementation of the consensus algorithm (rendez-vous) using static Metropolis weights for Turtlesim in ROS Noetic, run in Ubuntu 20.04 OS. The issue is that the ...
Hong Christian Lin Jiang's user avatar
1 vote
0 answers
48 views

ros tutorial turtlesim running but no display in docker

I have just started learning ros from the tutorial given in their website. Tutorial link As i am using windows I wanted to learn in Ubuntu. So i am using docker version of the ros. but now while ...
Amarnath's user avatar
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1 vote
1 answer
91 views

Voice Control Turtlesim ROS2 Humble on Ubuntu 20.04 with Pocketsphinx

I want to use Pocketsphinx on my ROS2 workspace, but wanted to try it out on Turtlesim first. While building my workspace with ...
metaje's user avatar
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0 votes
1 answer
17 views

Could not give the Result part of the RotateAbsolute action for the turtlesim package of the humble distro

The interface of the RotateAbsolute action is defined as follows: ...
Yongxue Law's user avatar
0 votes
0 answers
14 views

ROS turtlesim reporting turtle image spawn

ROS Melodic used at least 14 turtle images in turtle_frame https://github.com/ros/ros_tutorials/blob/melodic-devel/turtlesim/src/turtle_frame.cpp, is it possible to have ROS report which image is used ...
Marco LO's user avatar
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0 answers
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I "successfully" killed a turtle that does not exsit in the first place, how to fix this?

I have written the following code to kill a turtle using the service "/kill". When I first run the C++ exeucatable, I successfully killed it. But when I run the code again, I "...
Yongxue Law's user avatar
0 votes
0 answers
46 views

spawn turtle at specific location in turtlesim

I am trying to spawn turtle bot at specific location using launch file. I am able to spawn robot successfully at default location using: ...
Pratham's user avatar
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0 answers
8 views

running turtlesim in windows 10 makes error

I have installed ros2 foxy in my system(due to go with a ROS2 tutorial) and according to the document which ros provides , I did it OK and also I run talker and listener example and it is OK. the ...
Amin Darestani's user avatar
0 votes
1 answer
311 views

Error running turtlesim turtlesim_node

I have a Windows 11 machine onto which IO have installed Ubuntu 22.04 using the Windows sub-system for Linux. I have followed the instructions to install ROS ( https://docs.ros.org/en/humble/...
Jevers's user avatar
  • 11
0 votes
0 answers
16 views

#Windows# Issue with tf2_ros::MessageFilter Tutorial on Windows

I am a beginner with ROS 2 and I was following the Using stamped datatypes with tf2_ros::MessageFilter tutorial on a Windows machine. I have encountered an issue in the 3 Run section. When I run ...
Eric's user avatar
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0 answers
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how to draw something using a turtlesimbot and stop that bot, spawn another turtlesimbot at that coord, and draw using the 2nd bot?

...
Anonymous's user avatar
0 votes
1 answer
186 views

How can the ROS 2 TurtleSim turtle icon be changed?

In the turtlesim program used in many ROS 2 tutorials, there is a turtle icon that can be controlled. I would like to change this icon to be a different image that I have been provided, so that when I ...
Kaushal Bhanderi's user avatar
0 votes
3 answers
1k views

Formatting ROS data to .csv file

I created a Rosbag of turtlesim data and would like to export the x and y coordinates only to a .csv file. Right now, however the formatting is as such: ...
user avatar
-1 votes
0 answers
22 views

turtlesim project- spawn three turtles and have them follow sine and cos wave

As the title say I have to spawn three turtles and have them follow y=5cosx and y=5sin(4x). I have tried it multiple times but always keep getting errors which I'm unable to solve. ...
Harry's user avatar
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