Questions tagged [plot]
The plot tag has no usage guidance.
13
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Trying to plot the audio data stored in audio_common_msgs
I am loading in audio data collected in a rosbag using the audio_common_msgs package to collect the data.
I now want to plot the frequency vs time plot of the audio....
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1
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47
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Plotting rosbag topics in a single plot
I have a (large) rosbag.
I want to plot a few of these topics (in the same plot).
I don't need any playback feature.
I can load the bag with rqt and plot topics, one topic per plot. But can I have ...
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what is a y-axis in /joint_states/velocity[5] in rqt_plot?
hi . in rqt_plot => /joint_states/position[5]
The x-axis is time in seconds and the y-axis reflects joint position in radians . but what is a y-axis in /joint_states/velocity[5] in rqt_plot ?
...
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How to plot the path and the movement of a robot?
I am using turtlebot in gazebo and rviz. The robot moves from A to B, and I am wondering if there is an easy way (without the need to use matlab) to plot
the path that robot finds (e.g. based on the ...
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2
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error with rostopic echo -p
Hi Everyone,
After upgrading to Kinetic on Ubuntu 16.04, I'm having issues saving rostopic data to a .csv using the '-p' option.
The topics echo and bag fine, but when I try to out it into plot ...
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4
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How to update a gui (python) each time the callback function is called in a subscriber node?
Hello,
I want to have several nodes send their position (x,y) to a 'visualizer' node which draws on some window/gui continuously as more data is published by the former nodes.
What I have so far (...
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How to hold the old points in rviz
I was trying to plot points on rviz graph. I was successful in doing that however I could not plot the new points without loosing the old points. I want the graph to populate with newer values every-...
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Plot 3D surface in Hydro
Hi everyone,
I'm trying to find how to plot 3D data that represents a surface, over time. It should basically look like a grid surface that moves, in a 3d plot. I know this should be a simple task, ...
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2
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Any packages for graph plot?
Hello everybody,
Is there any packages available with ROS for 2d or 3d plotting of mathematical data (if possible, something similar to matlab plotting) ?
NOTE: I need to access the c++ output data ...
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Displaying a precomputed trajectory problem
When I follow the instructions on this page to plot trajectories in Rviz previously recorded from a .YAML file I get the following error: (add all sesion)
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rviz/gazebo path plot
Hi everyone!
I'd like to plot the path followed by my robot (a p3dx) during the simulation. Is it possible to do it in gazebo or with a rviz plugin?
Any suggestion?
Originally posted by camilla on ...
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Can I plot Euler angles in rxbag?
I would like to use rxbag to plot the yaw angle I obtain from a localization algorithm, however the orientation in geometry_msgs::PoseStamped (and most other messages) is given in quaternions. Is it ...
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Plotting points in x y frame
I want to plot the position of an object in a x-y 2D field.
Every time step the new position has to be added so you can see the path, similar to the turtle walking around in turtlesim.
I tried using ...