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2022-01-01 14:10:17 -0600 received badge  Nice Answer (source)
2021-08-15 05:27:02 -0600 commented answer Selecting log level in ROS2 launch file

The arguments must be given in a list of strings in Foxy as shown below. launch_ros.actions.Node( package='demo_nod

2021-08-15 05:26:51 -0600 commented answer Selecting log level in ROS2 launch file

The arguments must be given in a list of strings in Foxy as shown below. launch_ros.actions.Node( package='d

2021-08-15 05:25:53 -0600 commented answer Selecting log level in ROS2 launch file

The arguments must be given in a list of strings in Foxy as shown below. ```python launch_ros.actions.Node( packag

2021-08-15 05:25:40 -0600 commented answer Selecting log level in ROS2 launch file

The arguments must be given in a list of strings in Foxy as shown below. py launch_ros.actions.Node( packag

2021-08-15 05:25:27 -0600 commented answer Selecting log level in ROS2 launch file

The arguments must be given in a list of strings in Foxy as shown below. py launch_ros.actions.Node( package

2021-08-15 05:25:04 -0600 commented answer Selecting log level in ROS2 launch file

The arguments must be given in a list of strings in Foxy as shown below. launch_ros.actions.Node( package='demo_nod

2021-07-31 23:15:57 -0600 commented answer Display text in RViz

@Amrita Suresh, you can overlay text inside the camera image using OpenCV. First convert the ROS Image message to OpenCV

2021-07-05 15:39:09 -0600 received badge  Necromancer (source)
2021-07-02 04:31:33 -0600 answered a question import rclpy without sourcing setup.bash

As part of my GSoC project, I had researched and resolved the same problem. My findings and solutions are mentioned in m

2021-07-02 00:29:56 -0600 commented question Is it possible to launch rviz with a fixed frame size?

Though not an ideal solution, here's how I have dealt with this. After resizing the window and setting the view, save th

2021-07-01 22:25:04 -0600 answered a question unable to locate package problem on ubuntu 16

unable to locate package problem on ubuntu 16 Your question title is misleading. You should always make your system

2021-07-01 22:25:04 -0600 received badge  Rapid Responder (source)
2021-07-01 14:53:51 -0600 commented question unable to locate package problem on ubuntu 16

Your question title is misleading. Kinetic packages are not available for Ubuntu 20.04. Either install it on Ubuntu 16 v

2021-07-01 14:28:11 -0600 commented question unable to locate package problem on ubuntu 16

Do not skip a single step from the installation guide. Did you run sudo apt-get update?

2021-07-01 13:22:52 -0600 commented question unable to locate package problem on ubuntu 16

Sequentially follow the steps given here- Installation

2021-06-30 05:49:14 -0600 answered a question Problem with running a simple ROS talker-listener nodes

Few useful debugging tips when ROS behaves unexpectedly: Check ~/.bashrc for unnecessary source lines Begin a fresh

2021-06-30 05:49:14 -0600 received badge  Rapid Responder (source)
2021-06-30 02:15:55 -0600 commented question Problem with running a simple ROS talker-listener nodes

Your snippet is from demo_nodes_cpp, but I can try to give some intuition from demo_nodes_py. If you look at the main fu

2021-06-30 02:14:13 -0600 commented question Problem with running a simple ROS talker-listener nodes

Your snippet is from demo_nodes_cpp, but I can try to give some intuition from demo_nodes_py. If you look at the main fu

2021-06-29 22:45:46 -0600 commented answer ROS2: urdf not copied to install folder

Yeah! CMakeLists and setup.py shouldn't be existing together. I missed them in your directory structure entirely! Your o

2021-06-29 16:15:30 -0600 answered a question ROS2: urdf not copied to install folder

Make a modification in your launch file. Your other files are fine. Your setup.py will result the urdf files to be copie

2021-06-29 16:15:30 -0600 received badge  Rapid Responder (source)
2021-06-29 15:35:29 -0600 answered a question internal compiler error while building VIS4ROB-lab/ccm_slam

Yes, I have encountered this problem when there were multiple apps running in the background. "Memory" is related to RAM

2021-06-29 15:35:29 -0600 received badge  Rapid Responder (source)
2021-06-29 08:33:46 -0600 commented answer ros2 run turtlesim symbol lookup error

It is probable that the error is specific to OP's system; the environment may have been polluted from an incomplete unin

2021-06-29 08:33:46 -0600 received badge  Commentator
2021-06-29 07:09:36 -0600 commented answer Very simple ROS2 Launch xml file, but i get syntxt error at '<launch>'

Yes, interesting. However, I created an XML launch file named example.launch and I could successfully run it using ros2

2021-06-29 07:06:39 -0600 received badge  Autobiographer
2021-06-29 06:42:50 -0600 received badge  Teacher (source)
2021-06-29 06:20:21 -0600 commented question ros2 run turtlesim symbol lookup error

The error is thrown when a module can't find a module function to call. Have you installed Galactic via multiple methods

2021-06-29 06:12:24 -0600 commented answer Very simple ROS2 Launch xml file, but i get syntxt error at '<launch>'

Yes, interesting. I created an XML launch file named example.launch and I could successfully run it using ros2 launch ./

2021-06-29 06:02:44 -0600 commented question 'colcon build' Failing While Building Python3 Project on Jetson Xavier NX

Does this workaround work for you?

2021-06-29 05:52:48 -0600 answered a question Very simple ROS2 Launch xml file, but i get syntxt error at '<launch>'

For some reason, it seems to be reading the XML file as a python launch file. Can you try running this launch file? t

2021-06-29 05:10:46 -0600 answered a question How to use octomap with ros2?

This issue on octomap_mapping shows the current state of the ROS2 Port. It has been ported to ROS2 by another user- oct

2021-06-29 04:28:36 -0600 answered a question rosrun turtlesim turtlesim_node error while loading shared libraries

There is an open issue related to this on WSL GitHub. This StackOverflow answer mentions the steps that should solve the

2021-06-29 04:28:36 -0600 received badge  Rapid Responder (source)
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2021-05-25 01:34:20 -0600 received badge  Popular Question (source)
2021-02-17 06:33:57 -0600 commented question How can I use multiple subscriber for only one publisher?

You aren't adding timestamp to the TwistStamped message. There are few other weird details but you need to explicitly sp

2021-02-09 14:32:00 -0600 commented question How can I use multiple subscriber for only one publisher?

Can you link to the entire class definition? There are a few lines that seem buggy

2021-02-09 09:23:15 -0600 commented question What is the intuition behind behavior of $(anon name) in launch file?

Right, I understand the cause of the error. I wanted to know the intuition behind designing it this way, i.e. the second

2021-02-09 09:08:43 -0600 received badge  Student (source)
2021-02-09 02:01:34 -0600 asked a question What is the intuition behind behavior of $(anon name) in launch file?

What is the intuition behind behavior of $(anon name) in launch file? Framework: ROS1 Melodic using rospy My understand

2020-12-07 09:00:20 -0600 commented answer The difference among diffierent tags melodic images in docker hub

Thanks @gvdhoorn! I had been searching for differences between "osrf/ros:melodic-desktop-full" and "ros:melodic-ros-base

2020-12-07 08:57:31 -0600 commented answer The difference among diffierent tags melodic images in docker hub

Thanks @gvdhoorn! I had been searching for differences between "osrf/ros:melodic-desktop-full" and "ros:melodic-ros-base

2020-10-28 23:19:40 -0600 commented question How to start playing with octomap

@Eyshika, in the launch file, you must modify the value of the "frame_id" (possibly to "odom") and the remap for "cloud_

2020-07-04 00:16:51 -0600 received badge  Enthusiast
2020-07-03 11:29:14 -0600 commented answer no image received in rviz (turtlebot sim)

Thank you for this! I wish this information was included in beginner tutorials on Turtlebot3.

2020-07-03 09:49:53 -0600 received badge  Supporter (source)