Questions tagged [rqt-plot]

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How to plot array topics on RQT_plot?

I am working on a project where I need to plot data from ROS2 array topics using rqt_plot. The data I'm dealing with involves multiple array topics, which are published per cycle from another node. ...
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Why does rqt_plot plot the velocity obtained from /join_states at negative time values?

I am trying to get a transient process of changing the speed of the wheel to which I am giving a command signal using rqt_plot, but for some reason the time takes negative values along the abscissa ...
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saving rqt plot data as csv

I have ros a topic /uav1/aerodynamics/wrench having multiple param. Such as fore:x,y,z and torque:x,y,z data. I want to plot it ...
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rqt_plot in ROS 2?

I want to check the data in topic with realtime plotting, and I know there was rqt_plot in ROS 1. However, I could not found rqt_plot in ROS 2 humble. Moreover, I could not use correctly rqt -> ...
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RQT ROS2 Galactic not plotting or autoscrolling

Hi guys, I am getting this weird bug in RQT. I am trying to plot values from two different topics that RQT subscribes to, but the plot stands still. Whatever I do, I am not getting any values plotted, ...
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rqt_plot does not display topic

When running my simulation on ros noetic, rqt_plot cannot display any topics anymore because of the following error: ...
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Error: package 'rqt_plot' not found

Backgrounds: I am studying this page: http://wiki.ros.org/ROS/Tutorials/UnderstandingTopics in: Melodic Ubuntu 18.04 My questions: When: $ rosrun rqt_plot rqt_plot I saw: [rospack] Error: package '...
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can't run graph with command rosrun rqt_plot rqt_plot

hello! I'm new to this site and ROS I just finished installing ros and wanted to get some graph... so I just typed the command rqt_plot rqt_plot this logs got ...
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How to plot the position of ethzasl_ptam in rqt_plot?

I have a ROS node (ethz-ptam) which publishes a topic /vslam/pose which is of type geometry_msgs/PoseWithCovariance message. ...
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ros2 crystal rqt_plot error: find() takes no keyword arguments

I'm using rqt_plot and having trouble. I noticed that there are a lot of these error messages generated when I'm trying to add a field to the plot: ...
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2 answers
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Visualize or plot Float32MultiArray data field

Similar to this question, is there a way to plot the data field of a Float32MultiArray message type? I'm trying to show the FFT of a signal in real-time and I can't ...
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[SOLVED] fedora: rqt_plot runtime error

I'm running ROS Kinetic on Fedora 29. After running successfully these commands: rosrun turtlesim turtlesim_node rosrun turtlesim turtle_teleop_key rqt_graph I try ...
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Can't use rqt_plot with some topics

Hi to all, I'm not able to use rqt_plot with some topics (I'm using ROS Indigo). I this it's because I can't find the correct field name and so I'm not able to ...
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1 answer
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Cannot use rqt_plot to plot ardrone/navdata

I am new to ros. I just starting working with the tum_simulator, ardrone_autonomy and tum_ardrone packages. I am using the simulation in tum_simulator and not an actual drone. I would like to plot ...
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Show matplotlib plot in rqt

I have a plot in matplotlib, which I am using to control the robot. I have plt.connect('motion_notify_event', self.moveRobot) function, which controls the robot. ...
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Real time robot position visualization

I have a ros node which simulates an underwater vehicle 2D motion, by reading the yaw reference angle from a topic published by another node and whose value is computed comparing the current vehicle ...
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Using rqt_plot functionality with dictionary element in parameter

I've been trying to use rqt_plot functionality that involves dictionary but couldn't get it displayed. Obviously, something is not correct somewhere. ...
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1 answer
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Rosbag live data

Is it possible to plot string values using rqt_plot ? Originally posted by Obedulla on ROS Answers with karma: 3 on 2017-09-12 Post score: 0
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rqt_plot not plotting one signal; rostopic echo works

Hi, I want to plot 2 signals: desired velocity and current velocity. Both come from a Twist, and I want to plot /linear/x. I try ...
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rqt_plot trajectory_msgs/Jointrajectory/points/velocities

Hey all, I wonder if it is possible to plot this trajectory_msgs/Jointrajectory/points/velocities in rqt_plot? I want to show the joint velocities[5], in this case -0.86621. Thank you in advance. ...
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1 answer
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rqt_plot value vs other value instead of timestamp

Hi, Is it possible to have rqt_plot to have just a static plot based on vector of values. So instead of having the timestamp on ...
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1 answer
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Can we save QwtPlot for everytime step as images?

I am trying to visualize camera images and joint angles in matlab. Camera images are fine. For plotting the joint angles with respect to time, I am trying to save QwtPlot as image at everytime stamp ...
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rqt_plot has a Qt4 and Qt5 conflict

The latest update seems to have a problem with qt4 vs qt5 but it could be something else that updated along with all the kinetc updates. When I try to launch rqt_plot I get the following, the ...
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Not receiving any data from my robot

Main Problem I am currently trying to check if I am getting any data from the ARDrone 2.0 that I have on my desk. It is connected to the wifi and I can do a roslaunch ardrone_autonomy ardrone.launch. ...
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Plot poseStamped topic in rqt_plot/RViz

Hi, I have a topic which is built like that: int32 id float64 size geometry_msgs/PoseStamped pose I am seeing it if I do rostopic list and rostopic echo without ...
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2 answers
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rqt_plot does not see backends

I have installed QWT and its' bindings for both python2 and python3. Moreover I have installed pyqtgraph but no one of them is available in settings. So I stuck to matplotlib which is extremely slow. ...
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1 answer
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rqt_plot only showing 0

when I use rostopic echo to display the messages, the number fluctuates. While I rqt_plot to plot the data, those data are always zeros. The message type is correct and rqt_plot is indeed displaying ...
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1 answer
5 views

pyqtgraph not working in ROS Kinetic

Hi All, I am having issues with ROS Kinetic and pyqtgraph. After installation of pyqtgraph and rqt_plot fails to run with the following error RuntimeError: the PyQt4.QtCore and PyQt5.QtCore modules ...
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2 answers
15 views

Problems rqt_plot array

Hi! I am trying to plot a topic /mytopic/taskSpace/position[0] using rqt_plot. My ROS version is Indigo and I have Ubuntu 14. When I type in the console rostopic echo /mytopic/taskSpace/position[0] I ...
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1 answer
9 views

Why does rqt_bag often fail to plot data?

Rosbag and rqt_bag are fantastic diagnostic tools. But I've found that the plotting function in rqt_bag is unbelievably buggy. Roughly 60% of the time, the data simply doesn't show up when I try to ...
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1 answer
7 views

How do I use rqt_plot to subscribe to std_msgs

I do have an Array from #include "std_msgs/Float64MultiArray.h" and it is constituted as followed: ...
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1 answer
10 views

Save rqt_plot settings

Is there any way to save the rqt_plot (topics plotted) configuration and launch it from launch file? Thank you! Originally posted by Javier V. Gómez on ROS Answers with karma: 1305 on 2015-05-27 Post ...
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1 answer
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rqt_plot fixed y-axis limits

Hi, I'm trying to fix the y-axis of rqt_plot to certain values but as soon as higher values appear, the y-axis rescales. I've found numerous threads autoscaling in rqt_plot but none provide me with a ...
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1 answer
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timestamps for ros topics not updating smoothly

I noticed that the timestamps associated with my topics is not updating smoothly. It will go for several messages without changing (or changing by some very small amount), then change a lot all of a ...
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1 answer
23 views

How can I control the rqt_plot x-axis scale?

I'm using rqt_plot to plot movement of the turtle in turtlesim. Steps: ...
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1 answer
2 views

Is it possible to plot std_msgs/Bool.msg in rqt_plot?

I want to plot a 1 or 0 for a topic that posts std_msgs/Bool.msg Thanks Originally posted by GGabria on ROS Answers with karma: 96 on 2014-10-30 Post score: 1
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1 answer
3 views

rqt_plot for data in DignosticArray message

I have been trying (unsuccessfully) to plot /diagnostics/status[0]/values[0]/value (a stringified floating point number). Is such a topic string supported by rostopic or rqt_plot ? If so, how do I ...
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1 answer
4 views

Cannot plot turtle pose in rqt_plot

Hi All! I am just starting to learn ROS. So I was following the tutorial on understanding TOPICS (http://wiki.ros.org/ROS/Tutorials/UnderstandingTopics), where I was supposed to run ...
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1 answer
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PR2 rqt_plot has the error TopicCompleter.update_topics(): could not get message class

I have written a publisher in PR2's computer to publish message whose type is "beginner_tutorials/Num" on topic "/chatter2". Then I want to ...
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1 answer
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rqt_plot issues in indigo

I have a ros node which publishes a custom message as well as sensor_msgs/JointState messages. Both show up correctly in rostopic echo but not in rqt_plot. When starting up rqt_plot I see an error: ...
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Read a position in a tf message

Hi all, I am using the universal_robot package and I would like to visualize the end-effector's position error in rqt_plot. I guess I need to compute it in a node of my own and publish it so I can ...
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2 answers
1 view

Indigo is unable to launch RQT_plot

Hello, I have attempted to launch rqt_plot on my machine running Ubuntu 14.04 and Indigo to no avail. I have also reinstalled rqt_plot and all its dependencies manually. When I attempt to run rqt_plot ...
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1 answer
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Zoom out in rqt/plot

Dear all, I am using hydro under ubuntu 12.04LTS and it turns out I can find no way to zoom out the time in the rqt/plot window. You can zoom in using the Zoom to rectangle tool, but I can find no way ...
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1 answer
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getting started with rqt_plot

rostopic echo is telling me there is a topic gathering data when I use the exact same topic name I get a message that "header" is non-numeric. Now on the command line display I see the '...
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1 answer
3 views

Changing rqt_plot x-axis while it plays in real-time

Hi, I'm new and just going through the turtlesim tutorials. When I probe the variables with rqt_plot and watch them change over time, I would really like to expand the x-axis from a 5 second window to ...
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1 answer
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ROS Indigo: Where is rqt_plot

Hello, I try wiki.ros.org/ROS/Tutorials/UnderstandingTopics and want to run $ rosrun rqt_plot rqt_plot but it says [rospack] Error: package 'rqt_plot' not found In the rqt_gui it is not listed in the ...
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1 answer
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Only QwtPlot working. No graph in PyQtGraph and MatPlot

Hi I am trying to plot my data and are having some trouble. The problem is that only QwtPlot is able to plot my data. I like PyQtGraph the best so i would like to use this. At first glance it looks ...
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3 answers
9 views

Synch problem with rosbag and rqt_plot

Hi All, I'm building a pose estimator and to assess it i'm using a ground truth from a vicon system. Both systems publish a PoseStamped message. When I ...
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1 answer
3 views

Keep axis value in rqt_plot

Is it possible to keep axis value in rqt_plot for the next time (with either matplot or pyqtgraph) ? When I reopen rqt_plot, it plot the last chosen topic but it does not keep the manual axis value ...
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1 answer
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Using rqt_plot, how to find the topic name?

in the rqt_plot part of understandingTopic toturial http://wiki.ros.org/ROS/Tutorials/UnderstandingTopics the topic is /turtle1/pose/x /turtle1/pose/y /turtle1/pose/theta but I can only find the ...
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