Questions tagged [rosbridge]
The rosbridge tag has no usage guidance.
143
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11
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Video streaming over Rosbridge
I'm researching what is the best way to stream video using a video camera, over Rosbridge, to a browser. What are the options out there?
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4
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86
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How can i show on my browser what i see on Rviz?
Im on ROS2-Humble and i want to see my robot's location and movement on the map, the way i see it on Rviz, on my browser.
Like the picture above, I want from Rviz to get the Grid, RobotModel, TF, and ...
- 1
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1
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38
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Trouble with running ros1_bridge with external robot using Docker
Show activity on this post.
for a project, I have a robot that is running Ubuntu 18.04 with ROS1 Melodic and a desktop that is running Ubuntu 22.04 with ROS2 Humble. In order to use the ROS1 bridge I ...
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13
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Mapping fields of a message in ros1_bridge
I am trying to bridge ROS1 and ROS2.
I have msgs pkgs in ROS1 and ROS2.
All the workspaces are sourced.
A message definition from my custom defined msgs package has a nested message declaration from ...
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19
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OSError with rosbridge_server on ROS2 Foxy Windows 10
I have installed ROS 2 Foxy on Windows 10 using this guide. I am attempting to connect to Foxglove Studio over rosbridge. To do this I built the rosbridge_server ...
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50
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Octomap messages in rosbridge_1 to 2
I am using Ros 2 but want to map the environment with Octomap. I use the rosbridge between Ros 2 (rolling) and Ros melodic. However, octomap_msgs/Octomap is not a ...
0
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1
answer
12
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Retrieving data from Windows environment with Rosbridge
By activating Rosbridge from the Ubuntu environment, I can send target location information to the robot via Windows. Is it possible to receive the sent command information from the Ubuntu environment ...
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11
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Data Type conversion with rosbridge
I tried to use ros1_bridge with custom message types. I had one specific value that was an int32 in ROS1 but a string in ROS2 (...
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26
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How to access my webpage with rosbridge server?
I would like to create an application for control my robot through Internet. I am using raspberry Pi 4 and ROS1 noetic under ubuntu. The wifi connection is the same between raspberry and my laptop ...
tiho_bg
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1
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4
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Could an upgraded Ubuntu cause problems?
I had previously used Ubuntu 20.04.4 on an Odroid M1 without any issues. Compiled and successfully used a few packages of ROS including rosbridge and rplidar. Since the update I have not been able to ...
Pieter90
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1
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5
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depth subscriber roslibpy
How do we get a proper sized (640x480) array from the depth message?
my subscribed depth final array is a (640x480x2).... when it should be (640x480). The rgb topic is fine at (640x480x3). I tried ...
dwd394
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6
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ROS Topics Data Communication over separate networks
I want to send ROS Topic data from one ROS Master to another ROS Master. Both ROS Masters are on different networks.
There is a limitation in my project for which I am receiving some data through a ...
Raza Rizvi
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2
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27
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Rosbridge in C++
Hi everyone, I'm having a project to build a user interface with ROS in C++. I found that rosbridge is a useful tool but the rosbridge client only support java script, java and python. Is there any ...
zuy
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1
answer
20
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ROS opencv image publisher
I run a simple program to continuously publish image to ROS server. I cannot get rid of below error, anyone know the solution please help.
...
sgttrieu
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1
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14
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Publish and subscribe multi topics on the same node through different machines
Hi,
This is a common topic and I know some resources talking about it. I just want to know some additional information.
This is for ROS communication across multiple machines.
http://wiki.ros.org/ROS/...
sgttrieu
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1
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22
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[rosbridge_websocket.launch] is neither a launch file in package [rosbridge_server] nor is [rosbridge_server] a launch file name
Hello! I installed ros-melodic-desktop-full with apt-get and I am unable to start rosbridge. This is what I see:
...
trusktr
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2
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10
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Is there a way to extract specific info or lines from a ROS topic?
echo /joint_states has the following output (shortened).
I made a node (using the rospy tutorial) to subscribe to /joint_states and I want the.py script to print() just the position list for use ...
etorobot
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1
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6
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How to display a stream of terminal messages on a web GUI using roslibjs?
I'm putting together a web GUI using roslibjs and would like to display the stream of terminal messages. I understand I can subscribe to these messages on the ...
Py
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1
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15
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ROS2 foxy ros1_bridge
I want to use ROS2 Foxy to spawn a Turtlebot in Gazebo which is in ROS1.
Inside ROS1 when I do rosservice list, I see the following
...
Lyubomyr
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1
answer
6
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How do I run rosbridge on client node?
Distro info: I am using Melodic on Ubuntu 18.04
Network info - on the same subnet: 2 hosts (1 client, 1 server), 8 port switch, and a laptop to remote into each one, OS1-64 lidar sensor, and an ip ...
AdamS
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1
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43
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Can't establish connection to Web Server using rosbridge
I have created a simple HTML page to control the movement of a simulated Gazebo Turtlebot using roslaunch rosbridge_server rosbridge_websocket.launch following this ...
saintdere
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1
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4
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How to fix/changeposition camera in ros3djs
Hi,
So I have this PointCloud2 messages which are generated from a drone camera and I am trying to render them on the browser using ros3djs. the cloud of points appear in my viewer but I couldn't ...
WhatWhat
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1
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1
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How can I use mjpeg_server package?
Hi,
So I am really new to ROS. and I m trying to use the image/video that mjpeg_server(or ros_web_video) gets from a topic I created to my own HTML page not the default one that the package uses. I ...
WhatWhat
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1
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4
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Rosbridge Server gives warning when I try to unadvertise or unsubscribe
Hi there, I have a ROS Kinetic running Raspberry Pi 3 B (I have installed ros as a ROSberry installation, from the source as suggested), which runs Rosbridge Udp Server over it.
I am getting in ...
mmp52
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1
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5
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rosbridge install problem
I have : Ubuntu 18.04.2 LTS / ROS melodic (all updated to latest)
When I try to install ros bridge suite with command:
sudo apt-get install ros-melodic-rosbridge-server
i get this errors:
...
jernejp
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1
answer
7
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cannot install/run rosbridge on raspberry pi 3
I have a Raspberry Pi 3B which has debian stretch OS and a ROS kinetic running on it.
I have tried to install rosbridge_suite and rosbridge_server on it from source as with this code and I had the ...
mmp52
0
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1
answer
34
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Real-time map generate on web like a Rviz
Hi there
By the time I came to this question, I got a lot of great information on the internet, but the combination of 'rosbridge' and 'robot web tool' or 'ros2djs' is just displaying the generated ...
justinROScolleage
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2
answers
3
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How to run Robot web tools at Non Internet environment?
Hi,
I am trying to create some widgets for RobotWebTools to monitor/control my robot on the Web browser remotely. According to the nav2djs(one of the widgets of the RobotWebTools) tutorial, the HTML ...
yoshiros
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1
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20
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How rosbridge finds custom messages?
I want to subscribe a custom message from a rosbridge server.
First I create a custom package and message by following the ROS official tutorial. Then build with catkin tool with ...
wthwlh
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1
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2
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Autonomous car simulator with ROS bridge
Hi,
I have been working on Autonomous car project and looking for simulator.
Could you please suggest me simulators which has inbuilt rosbridge configured.
...
kk2105
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1
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3
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roslibpy: why does TFClient seem to ignore the rate parameter?
Hello,
We're using roslibpy to capture tf messages from a robot via rosbridge, and ...
- 239
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7
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Transferring Images through rosbridge
I am using the rosbridge websocket server to establish communication between ROS and an environment simulation tool. I can easily exchange scalar values like the object list and the control signals.
...
aks
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1
answer
1
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Unable to locate package ros-lunar-rosbridge-*
Hi Guys,
I am trying to install rosbridge on Ubuntu 16.04 by running sudo apt-get install ros-lunar-rosbridge-*. However I am getting the below errror.
...
kk2105
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8
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roslibpy : Publishing and subscribing using custom messages
are there some examples which could guide me to publishing and subscribing using custom messages with roslibpy ?
Originally posted by aks on ROS Answers with karma: 667 on 2018-10-01
Post score: 1
...
aks
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1
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1
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rosbridge for melodic distro?
I'm currently trying to get rosbridge to run on an Ubuntu-VM. I installed ROS with no problems, but when I try to install rosbridge (which should be "sudo apt-get install ros-melodic-rosbridge-...
Funny
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1
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7
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Changing dynamic_reconfigure parameters using rosbridge
I'm developing a node that includes some dynamically-reconfigurable parameters. Eventually, I will write a JavaScript GUI that uses roslibjs and rosbridge to interface with this node and the rest of ...
Ricardo Angeli
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1
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2
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Visualizing a real drone's path
Hi! I would like to visualize a real AR.DRONE 2.0's path with a simple line in a plane grid. My question is which is the simplest method? Should i use Rviz? I found ros3djs javascript library, which ...
hoffa
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1
answer
2
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"unable to load manifest" error after subscribe via RosSharp/RosBridge
Using Unity and the RosSharp library I'm able to connect but unable to subscribe to any custom .msg types. The types are correctly named in the RosSharp dictionary and builds fine on the ROS side. ...
Lane
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1
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2
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Question about sending parameters from remote Android device to ROS
I'm developing an APK to send a number of parameters (integers and floats) to a ROS application through rosbridge. However I'm stumped at how to proceed. The parameters are to be used by particular ...
JKaiser
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1
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2
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Message Semantics - Unity to ROS over ROSBridge
Hello,
I am trying to exchange my message between windows 10 Unity 20.17.2 and ROS1. I can subscribe to my ros topic and I am able to listen to messages in my unity environment sent from ros1.
for ...
arunavanag
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1
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3
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How to create a GUI for turtlebot
Hi all,
I am new to ROS and currently I can run a launch file which tell the turtlebot where to go but he next step is to create a GUI with different button so it will run different launch file when ...
Ashecotton
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1
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6
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rosbridge, authentication and user roles
I want to create a web interface for my ROS application.
rosbridge looks promising, however I need to make sure that I can control what a user can interfere with. I am not very experienced in web ...
knxa
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1
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7
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How to publish a message from Unity3D to ROS node?
Hello,
I am trying to send over msg of type string from Unity to my ROS node that contains the subscriber topic, over rosbridge_websocket.
I have already tried the following:
ROS-Sharp:
With ROS Sharp ...
arunavanag
0
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1
answer
4
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Rosbridgelb: Received a message without op
I'm using ROSBridgelb to publish "OccupancyGrid Message" from Unity to ROS. However I'm always getting the "Received a message without op" error. I made sure that there is no ...
AbbasSidaoui
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1
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2
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Unity Mavros client disconnects automatically
I'm using ROSBridgeLib in Unity3D 2017.1 to connect to ROS on Ubuntu.
The turtlesim project works fine. I can control the turtle from Unity. I wrote a test subscriber to see talker messages ("/...
hermonir
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1
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2
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Web-server-video remote access
Hi,
I'm trying to access the web-video-server. I got it to work on localhost, the url in the doc works and everything is fine. However I can't access it remotely ( on a different laptop on the same ...
Clement Jambou
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1
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3
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can't subscribe the message via rosbridge (websocket)
Hello,
I want to display the turtlesim_node's topic("/turtle1/cmd_vel") by using rosbridge.
to this end, I implement the following 3 codes.
[websocket.py]
...
sasadasd
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1
answer
1
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How to launch a python file from html
Hy Guys,
I just have a little question. I'll appreciate your support.
I have worked with rosbridge and I don`t have any problem, But I want to launch a python file from html file. Something like that:
...
JohnPa
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1
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6
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How to change IP to connect to ROS from a browser using ROSBRIDGE without changing the code [closed]
Dear community,
I have tried to design a web page that allows me to connect to ROS via ROSBRIDGE. If I want to connect to master I have to change the IP in the code using roslibjs like:
var ros = new ...
alberhhh
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1
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4
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rosbridge online
Background:
I am currently working on a project that wants to remotely receive video stream and send control commands to my ROS robot. I have it working perfectly in localhost by using rosbridge. It ...
craigstar