Questions tagged [ubuntu-xenial]

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What's the difference between getEulerYPR, getEulerZYX and getRPY?

Hello everyone, I noticed tf::Matrix3x3 provides 3 distinct methods (getEulerYPR, getEulerZYX...
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catkin_pkg.package.InvalidPackage Error: Invalid Package Version

Hello everyone, Hope you are having a great time. I'm kind of new to ROS and recently I have been tasked with building an old ROS project. Since the project uses the old kinetic version, I also opt ...
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robot_upstart -- deleting or replacing a service

HI All, I have a legacy ROS system to work with...ie someone else put it together originally. it runs kinetic on Ubuntu 16.04. The system is kicked off at boot, and you can stop and start nodes using ...
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ubuntu 16.04 Kinetic update. no rule to make target libvtkproj

Hi, I had my code working. Today I installed the update recommended by Ubuntu which contained some ros-kinetik packages (to be hones I did not checked all of them) Now, I have a compilation problem. <...
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Problem launching world files using roslaunch

I am trying to launch a world file using roslaunch and running into errors. I am working with ROS kinetic and gazebo-7. My ultimate goal is to open a custom world made with the world plugin, and spawn ...
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How to log in separate file per node

Hi community! In the .ros/log/{cryptic_someting}/ folder I see some nodes create their own log files: E.g.: controller_spawner-3.log or rqt_robot_steering-5.log How can I achieve that for my own ...
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Issue with subscriber launch

I am working through tutorials and am having issues with launching my subscriber launch file. I have created a launch file named odom_subscriber.launch and have the following text in the launch file: <...
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Turtlebot3 Navigating while continiously acquiring images

I am looking to begin to carry out some basic experimental work with my robot, Turtlebot3 Waffle-pi. I am using ROS Kinetic & Ubuntu 16.04 LTS. I have a raspberry pi camera in operation on the ...
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Have turtlebot run in linear paths, using the navigation stack

Hi. I have a turtlebot3 running in gazebo and rviz, and made a node that feed the navigation stack coordinates. via the following snippet: ...
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ROS beginner tutorials building nodes issue

I am working through the ROS begnner tutorials, specifically on this section I am running into an issue: http://wiki.ros.org/ROS/Tutorials/WritingPublisherSubscriber%28c%2B%2B%29 I am using ROS ...
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Customising Packages on ROS Tutorial Issue

I am very new to ROS & Ubuntu and am working through the OS tutorials. Specifically, I am currently creating and customising my own packages (see link below for tutorial I am currently referencing,...
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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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"Permission denied" when importing tf

Hi All, I am using ros kinetic on ubuntu 16.04 xenial. while trying to import tf library in python code I get following error ...
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I've suffered from unacceptable IMPORT error

Hello, I'm working with ROS kinetic on Ubuntu 16.04. I'm trying tutorial of face_detector, but I faced a strange IMPORT error. But I have the right module. ...
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Industrial Robot Client sends wrong velocity on last waypoint?

Abstract: Created a plan to rotate single joint from 0 to pi/2 radians. Examined plan looks fine with smoothly tapering velocity, however, actual robot motion ends with accelerated jerk at end. ...
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How to use protobuf with ros?

Hello everyone, I have been searching for hours but I couldn't find any documentation about how to use protobuf with ros. I really don't know how to create a message with protobuf. If anyone could ...
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No definition of [boost] for OS version [xenial]

I'm installing ROS kinetic from source code on Ubuntu 16.04.6 LTS, by following instructions on http://wiki.ros.org/kinetic/Installation/Source However when I proceed to below step, I got strange ...
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Plot Computed Variables from ROS Subscriber

Hi all, I am trying to plot data that I obtained from ROS Subscriber. I have tried using this code from question So I modified my code to be as follows: ...
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Access Cache Data Error

Based on the code I have written for question #Q335276, when I try to use the Cache methods, they weren't there. I am not sure why I am getting the error message as shown below: ...
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How to change the camera model when using image_pipeline?

Hi, I do some binocular camera calibration tests with image_pipeline. For some reasons, I can not see the video in the image_pipeline/Tutorials page. I have to ask questions there. 1, How can I cange ...
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What is the message of geometry_msgs/PoseWithCovariance

Hi, I'm using ROS kinetic in ubuntu 16.04 and still think I'm new to ROS. Anyway, I'm making some packages above on people tracking so I need to estimate people's state and their covariance in 2D ...
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How can I change transform from "frame A" to "frame B"?

Hi, I'm using ROS kinetic on ubuntu 16.04. I'm working on multi-sensors conditions. (one RGB-D sensor and 2D-Lidar sensor) As you might expect I have to fuse these two scan data for robustness ...
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ERROR: cannot launch node of type [robot_localization/ekf_localization_node]

Hello. i am trying to work with robot_localization package. I get this error. ...
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How to do wireless communication between robots and desktops?

I'm currently controlling an autonomous navigating robot (turtlebot2) with the attached pc. However the attached pc doesn't have enough power to do image processing such as openpose, so I want to use ...
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Subscribing to a text file

hello everyone. I want to know if i could subscribe to a data stored in a text file. My data is in the form 0.97542241 1.22256888 1.66565685 1.25254882 1.22222658 1....
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What is the purpose of the beginner tutorials? I'm following them but I'm not sure what I am doing or why

http://wiki.ros.org/catkin/Tutorials/using_rosbuild_with_catkin This is where I am and I am sort of familiar with linux, I managed to install a few different distros to this machine. I am using Ubuntu ...
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Linker goes bananas on Ubuntu 16.04 + ROS Kinetic + gcc 4.8

So, due to some peculiarities of my project I am in need of compiling everything with compiler suite version 4.8 instead of the default compiler version that comes with Ubuntu 16.04 ( 5.4 ). I used ...
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No module named _multiarray_umath - but I can find it

Having issue with importing a NUMPY module. Have been fighting for hours with it. I have only minor experience with Python. Summary eror is this: ...
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Where can I find Ubuntu Mate 16.04 ISO to install ROS Kinetic on Raspberry Pi

I want to use ROS Kinetic on a network with my PC and Raspberry PI. And to do so, I want to isntall ubuntu mate on my pi. But on the official website, they have removed the link to download ubuntu ...
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rqt window empty

I'm trying to run the command rqt on my computer to display topics in the topic list but the window which pops up is empty, I can see just the title from the ...
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Which ROS2 release works on the Jetson TX2?

There are currently four versions of ROS2. However I don't understand which version is explicitly for Ubuntu 16.04 (Xenial) on the Jetson TX2. Am I able to use ros-kinetic in conjunction with one of ...
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Docker pull ros returns no matching manifest

Hello guys, I am trying to pull ros using docker but I got the following error: ...
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Rviz tf 'world' does not exist

Hello everyone, Basic info: ...
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Can one node publish only a single static transform?

My code is like this where I am publishing 3 static transforms from three static publishers- ...
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Converting encoder ticks to motor control on RPi

Hello, I wanted to control my robot using teleop_twist_keyboard so that i can move it around for gmapping. I have an odometry source in the form of wheel encoders and a LIDAR. I have found a node that ...
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Stopping std::threads in ROS

I am trying to stop two threads from within a while loop but it doesn't stop on the Ctrl+C (SIGINT).How do I terminate the threads on receiving Ctrl+C from CLI? Would an ...
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2 answers
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Writing a custom path using 'Move Base Flex Exe Path Action'

I would like to send a series of poses to Move Base, and have my robot follow these poses. I am using Move Base Flex, which extends a few extra actions compared to the regular Move Base. I am ...
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VSCode debug cpp ROS node

Hi, I am trying to debug my cpp ROS node, based on the microepsilon_scancontrol (I am porting it to the latest driver). I can build with catkin, I can start it, but ofc not perfect (why would it..). ...
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PluginlibFactory: The plugin for class ‘grid_map_rviz_plugin/GridMap‘ failed to load

Hi can someone help me with this error? ...
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changing system of turtlebot from indigo to kinetic

I need to change the system of the robot from Ubuntu 14.04 to Ubuntu 16.04 can I change? Originally posted by Redhwan on ROS Answers with karma: 73 on 2018-12-28 Post score: 0
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run_id on parameter server does not match declared run_id

I have set up several roslaunch files to be launched at system startup using systemd. However at the startup they show the above ...
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Infinite loop in callback function

Hi there! I want to subscribe to a topic (real_position) and save these data in a variable (julio) in order to process them later in my code. I've tried to use something similar to the tutorial for ...
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[rosrun] Couldn't find executable named serial_node.py below /opt/ros/kinetic/share/rosserial_python

When I tried to execute this, I got following error: ...
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Problem launching Intel Realsense D435 camera

I’m trying to integrate an Intel RealSense D435 camera to try out some SLAM algorithms.I encountered an error mentioned here . As suggested i tried to apply the fix provided here. I did this however ...
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How to add 'clearpath_base/AckermannSetpt' msg in ROS Kinetic?

How to add 'clearpath_base/AckermannSetpt' msg in ROS Kinetic? http://wiki.ros.org/clearpath_base Originally posted by JeyP4 on ROS Answers with karma: 62 on 2018-10-29 Post score: 0 Original ...
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wait for service:Service [/gazebo/set_physics_properties] has not been advertised, waiting

When I am trying to launch the my_world.launch I am facing this problem. Code for my_world.launch is ...
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Error: bad interpreter: No such file or directory

I am trying to run the following node using rosrun, to send data through my serial port and I get the error: ...
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Do I have to modify CMakeLists.txt for a python node?

I try to write a python node running in my package. Before I run catkin_make and rosrun, do I have to modify my CMakeLists.txt file as we did in the case of C++ node it the tutorial at Step 3? I am ...
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Error while launching any .launch file

Hi all, I'm getting this error ...
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receiving signal SIGSEGV, Segmentation fault when running a node

Hello everyone, I getting "Segmentation fault (core dumped)" error when running a node, despite the fact that it worked well before when I run it with gdb I'm getting this ...
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