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ros2 node list does not work

I ran the ros2 node using OpenDDS as shown below. ...
김거북's user avatar
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1 answer
99 views

how to get node graph like rqt_graph with command line?

my ros2 env does not have a display or visualization config, is there a method only by cli to get the ...
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ROS1: Save ROS Computation/Topic Graph

Using rqt_graph we can visualize the graph as well as save it in multiple formats. Is there a way to do it via a ros API or terminal command to save the graph in .png format. rxgraph which is now ...
Shouvik Das's user avatar
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1 answer
137 views

rqt_graph is not working

My Ubuntu version is 20.04 . My ROS version is noetic 1.16.0 . My python version is 3.8.10 . When I use command "rqt_graph" in the terminal, it shows a blank GUI window, displaying nothing ...
hinamis's user avatar
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rqt_graph not working anymore on galactic

I had this problem for a while now, and wasn't able to solve it despite all attempts, rqt_graph used to work just fine, but all the sudden (probably after i ...
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What's this cuboid at rqt_graph?

I use robot arm(Ufactory Lite6), and I got rqt_graph. In the graph, nodes are showed by ellipses and topics are showed by rectangle. However, there are cuboid among them. what is this cuboid? Please ...
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ROS1 Noetic does not run rqt_graph on windows 10

I had similar problem as this question here I installed ROS 1 noetic on windows 10 natively (no wsl2) Although I have used VS 2022, it should work as VS 2019, right? But when I reach the tutorial &...
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76 views

Installing rqt_graph in ROS2 Dashing

I am trying to install rqt_graph for ROS2 to visualize the ROS nodes and the computation graph. I have ROS2 dashing installed in the docker (using the Autoware.Auto class/tutorial) After entering ade ...
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29 views

[ROS2] What is the "rqt --force-discover" option meaning?

Hello, experts. My environment is Ubuntu 18, ROS2 Crystal. I installed the rqt-graph plugin to debugging. But, I can't find out the plugin on rqt-gui. In normal case, It should to be on "Plugins-&...
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1 answer
46 views

Enabling statistics in rqt_graph for ROS2

I am using ROS2 Crystal Clemmys in Ubuntu 18.04, and am successfully running rqt_graph gui on screen by using the command rqt_graph --force-discover (I had to use <...
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[SOLVED]ImportError: No module named pydot | rqt_graph

I'm running ROS Kinetic on Fedora 29. I run these commands in the following way: rosrun turtlesim turtlesim_node rosrun turtlesim turtle_teleop_key After these two ...
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1 answer
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rqt_graph when playing a rosbag

Hello, I am really new with ROS and I am having some problems with rqt_graph. I would like to play a rosbag file and watch all the nodes and topics with rqt_graph as it was during execution. Therefore,...
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graph listener ros2

Is there any documentation or notes available for understanding how to work with graph listener? I'm trying to port/get rqt_graph working with ros2 and trying analyzing differences. Where I see with ...
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1 answer
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Couldn't find executable named rqt_graph

I'm running on ubuntu 14.04 indigo. since I don't have Internet access from the computer that I am working on, therefore I cannot use sudo apt-get ... commands. ...
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1 answer
13 views

Syntax of rqt_graph filters

I recently noticed, that you can use a wildcard character in rqt_graph to select node or topic names. For example "/imu*" would only show all nodes/topics which start with "/imu". ...
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1 answer
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rqt_graph displays node that doesn't exist

Hi, I've encountered some problem with using rqt_graph. The problem is displayed on simple example in the image below. The color node doesn't exist (I checked it ...
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1 answer
6 views

Why doesn't rviz appear as a node in rqt_graph?

Why doesn't rviz appear as a node in rqt_graph? rviz is subscribed to some topics (such as /scan), but I don't see it in rqt_graph. Originally posted by Cataphract on ROS Answers with karma: 86 on ...
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1 answer
12 views

rosrun rqt_graph rqt_graph shows error

http://wiki.ros.org/ROS/Tutorials/UnderstandingTopics Environment: ROS kinetic Ubuntu 16.04 ERROR: rosrun rqt_graph rqt_graph Could not import "pyqt" bindings of qt_gui_cpp library - so C++ ...
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rqt_graph not dispalying all the topics?

1.png shows a list of nodes and topics currently running, but 2.png is rqt_graph where many topics and ...
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1 answer
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active/connected rostopics to terminal list or file

Is there a way to get the active or connected (i.e. excluding leaf topics) ROS topics as a list to the terminal or a text file? The topics can limited to only the active topics from ...
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1 answer
5 views

rosrun rqt_graph rqt_graph shows error NameError: name 'basestring' is not defined

I have started the tutorials and when I try to run rqt_graph it gives me a basestring error. Can someone please help me how to proceed? I am using Ubuntu 16.04, and Kinetic distro. ...
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1 answer
14 views

which node is motion planner in moveit?

BACKGROUND This passage from book MASTER ROS FOR ROBOTICS PROGRAMMING, which explains how motion planner works in moveit raises my question: MoveIt! can talk to the motion planners through the plugin ...
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1 answer
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Unknown item shown in rqt_graph

In my rqt_graph shown below, the namespace path_modification has an oval titled color in the namespace. What is this? I've ...
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1 answer
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ROSWTF "unexpectedly connected" message and creation of new nodes

I am attempting multi-robot simulation (currently involving two robots) and the problem is with the roswtf which throws "WARNING The following nodes are unexpectedly connected:" warning as ...
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1 answer
161 views

Error: package 'rqt_graph' not found

Hi people! i almost finish my first program with ROS and I want to watch the map with nodes and topic, but when I use rqt_graph I get this error returns ...
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1 answer
6 views

rqt_graph rqt_tf_tree issue | ros indigo

Hello all, I am facing an issue with the packages rqt_graph and rqt_tf_tree. When I run the mentioned packages I get the following error: ...
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Node graph for multi-host ROS network

Assuming a situation where nodes are distributed on multiple hosts, is there a way to oversee at a single view which nodes are running on which hosts? I imagine something like ...
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1 answer
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rqt plot sometimes display different results

hi, i have a bag file and a ros node. I plot the results from the ros node. I notice sometimes the plot is different even though i did not change the code in the node. Why does this happen? ...
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1 answer
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Weird rqt_graph when running turtlesim

I am going through the ROS tutorials and on the "Understanding Topics" tutorial in section 1.2.1 when I launch rqt_graph I get this image: It should be ...
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1 answer
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Manually set a node to subscribe to a topic

Hi there! I was wondering is there any way I can manually make a node to subscribe to a topic? By checking rqt_graph, the node didn't subscribe to the topic (which I need to set) automatically. Thanks!...
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1 answer
2 views

rqt_graph not finding QT4

Ubuntu 14.04 LTS / 64 bit. ROS/Gazebo Jade installed per instructions at "http://wiki.ros.org/jade/Installation/Ubuntu" I'm working through the tutorials, in order. Everything went well ...
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1 answer
6 views

RQT_Graph cmd_vel passthrough

Hi All,! I am troubleshooting a robot I am working on and for some reason the twist commands are not getting to the base. On ething I found that I think is out of the ordinary is this: Is it normal ...
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1 answer
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rqt_graph in UsingRqtconsleRoslaunch tutorial not working

I'm currently in the process of going through the tutorials so I can get a better understanding of ROS. I'm currently on tutorial 8 in the beginning tutorials The problem I'm getting is at the last ...
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1 answer
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Leaf Topics rqt_graph

Moreover, I would like to know what does it mean LEAF TOPIC in ROS because in the rqt_graph user interface there is the option HIDE LEAF TOPICS. Could someone help me? Thanks a lot. p.s. When I ...
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1 answer
5 views

Can rqt_graph visualize nodelets?

Hi all, I'm debugging a ROS application that intensively uses nodelets. However, I found that rqt_graph cannot visualize nodelets. Neither can other command line tools such as rostopic. I'm wondering ...
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1 answer
12 views

node on rqt_graph is in red color always

Hi, This question is for experienced ROS users. First about My setup which involves, a raspberrypi (B+ model, wheezy OS, ROS groovy deb installation) and desktop PC (AMD dual core, Ubuntu 12.04.5, ROS ...
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1 answer
17 views

rqt_graph crashes

After running $ rosrun rqt_graph rqt_graph i get the following error msg: ...
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1 answer
13 views

rqt_graph problem

I am trying to launch rqt_graph and receive (consistently) the following message: rqt_graph: Fatal IO error: client killed I am using ROS hydro on Ubuntu 12.04.5 via ssh. Any idea what could be the ...
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2 answers
12 views

rqt_graph font too large

Hi all, I've been progressing through the tutorials, but have hit a snag with rqt_graph. On my high-dpi screen (3200x1800, 262ppi) the font used for node/topic labels is far too large and obscures ...
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1 answer
10 views

rqt_graph topic statistics not working

This is the documentation i'm following: http://wiki.ros.org/rqt_graph#Topic_statistics This feature is not working on my system. I can't find the reason why. ROS Indigo Ubuntu 14.04 Tested by ...
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1 answer
56 views

rqt_graph colors and arrows

What is the color code for rqt_graph? And do the bi-directional arrows mean a service between two nodes or just that the node subscribes to AND publishes to the other node or both? Is there some sort ...
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2 answers
48 views

rqt_graph not shown in window

Hi , I am new in ROS . I am using ubuntu 12.04 LTS . ROS Hydro I want to test the tuturial 6 about undrstanding ROS topics. I can run the first command . but in part when I want to see the output of ...
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1 answer
43 views

rqt_graph GUI not working

Hello, I am following the steps described in "Understanding ROS Topics" tutorial. When I try to launch rqt_graph in the console I get this output: ...
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1 answer
15 views

rqt_graph is not working in my ros

Tutorial Link : - http://www.ros.org/wiki/ROS/Tutorials/UnderstandingTopics I'm installed rqt by using sudo apt-get install ros-groovy-rqt While I'm running this command rosrun rqt_graph rqt_graph It ...
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