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2020-10-23 16:04:37 -0500 answered a question [ROS2] CLI Parameter remapping for launch file

You can take an inspiration from Navigation2: https://github.com/ros-planning/navigation2/blob/e1e1be4880a703c9fba44bb0

2020-10-23 16:04:37 -0500 received badge  Rapid Responder (source)
2020-10-13 03:39:13 -0500 commented question publish/receive large PointCloud2 is very slow

No, but it seems that the default configuration handles like 60-70 messages, of 1MB in size, per second (when messages a

2020-10-13 02:59:59 -0500 commented question publish/receive large PointCloud2 is very slow

For Python, we did a quick analysis here: https://github.com/cyberbotics/webots_ros2/pull/160#issuecomment-707204002 and

2020-10-13 02:59:29 -0500 commented question publish/receive large PointCloud2 is very slow

For Python, we did a quick analysis here: https://github.com/cyberbotics/webots_ros2/pull/160#issuecomment-707204002 and

2020-09-18 16:02:54 -0500 commented question Is it possible to use shared memory as IPC on ROS2 foxy?

You can find here for FastDDS: https://fast-dds.docs.eprosima.com/en/latest/fastdds/transport/shared_memory/shared_memor

2020-09-15 15:07:54 -0500 commented question wall timer is slow on ros2 foxy fitzroy

https://github.com/ros2/rclpy/issues/520 The issue is present in the Python client as well. Maybe you should report it t

2020-09-10 14:21:25 -0500 commented question Distributing ROS2 executables

Did you source ROS2 on another PC (call C:\dev\ros2_foxy\local_setup.bat)? I am not familiar with Windows, but on Linux

2020-09-07 06:35:45 -0500 commented question opencv on ros2 foxy

sudo apt install libopencv-dev does not work for you?

2020-09-02 02:44:16 -0500 commented question ROS 2 Navigation stack on Ubuntu Xenial

With THIRDPARTY flag on, ROS2 packages should try to download third-party dependencies. Not sure how well does it scale,

2020-09-01 19:05:16 -0500 commented question ROS 2 Navigation stack on Ubuntu Xenial

I have been using ROS2 Foxy on Ubuntu Bionic, and there were only minor compilation issues. Therefore, I believe it shou

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2020-09-01 12:27:28 -0500 commented question ros2 nav2 costmap not working

Which ROS distribution do you use? If it is old, it may be related to this PR: https://github.com/ros2/rviz/pull/375

2020-08-29 08:50:05 -0500 received badge  Nice Answer (source)
2020-08-27 06:16:11 -0500 commented answer Dependency management in ROS2: CMakeLists.txt, package.xml, colcon build, make ...?

I am not arguing that ROS' package manager supposed to replace the apt and similar but to complement them. There are man

2020-08-27 06:15:57 -0500 commented answer Dependency management in ROS2: CMakeLists.txt, package.xml, colcon build, make ...?

I am not arguing that ROS' package manager supposed to replace the apt and similar but to complement them. There are man

2020-08-27 06:15:43 -0500 commented answer Dependency management in ROS2: CMakeLists.txt, package.xml, colcon build, make ...?

I am not arguing that ROS' package manager supposed to replace the apt and similar but to complement them. There are man

2020-08-27 04:57:08 -0500 commented answer Dependency management in ROS2: CMakeLists.txt, package.xml, colcon build, make ...?

Maybe offtopic, but I am curious. So ROS uses existing package managers rather than inviting its own. With rosinst

2020-08-27 04:56:55 -0500 commented answer Dependency management in ROS2: CMakeLists.txt, package.xml, colcon build, make ...?

Maybe offtopic, but I am curious. So ROS uses existing package managers rather than inviting its own. With rosinst

2020-08-25 05:22:20 -0500 answered a question IfCondition(PythonExpression()) - am I doing it right?

It seems that a neater solution is on the way: https://github.com/ros2/launch/pull/453 Once the PR changes are avail

2020-08-25 05:22:20 -0500 received badge  Rapid Responder (source)
2020-08-17 08:24:15 -0500 edited answer Generic Subscriber in ROS2

Not completely what are looking for, but here is one way to do in Python. In Python, you can use get_msg_class from ros2

2020-08-17 08:17:27 -0500 edited answer Generic Subscriber in ROS2

In the case of Python, you can use get_msg_class from ros2topic.api. I am not sure if it is "the official way" to handle

2020-08-17 08:16:31 -0500 answered a question Generic Subscriber in ROS2

In the case of Python, you can use get_msg_class from ros2topic.api. I am not sure if it is "the official way" to handle

2020-08-17 08:16:31 -0500 received badge  Rapid Responder (source)
2020-08-14 15:39:52 -0500 commented question Can we Use ROS1 and ROS2 on same Ubuntu Environment ?? Would there be any issue if I install ROS2 in my Ubuntu when I am already having ROS1 in the Environment

Duplicate: https://answers.ros.org/question/350474/can-i-install-ros1-and-ros2-on-the-same-computer/

2020-08-14 15:39:42 -0500 commented question Can we Use ROS1 and ROS2 on same Ubuntu Environment ?? Would there be any issue if I install ROS2 in my Ubuntu when I am already having ROS1 in the Environment

Duplicate, https://answers.ros.org/question/350474/can-i-install-ros1-and-ros2-on-the-same-computer/

2020-08-11 15:24:39 -0500 answered a question ROS2 dashing & eloquent in one network?

This question is a duplicate of: https://answers.ros.org/question/341372/can-nodes-from-different-ros-2-distributions-c

2020-08-11 15:24:39 -0500 received badge  Rapid Responder
2020-08-11 03:55:17 -0500 answered a question How to launch rviz2 using urdf like urdf_tutorial of ROS1.

The answer by @johnconn is valid, but it is missing joint_state_publisher_gui and joint_state_publisher which you may ne

2020-08-10 03:24:57 -0500 edited answer Rolling my own simulator, asking for a list of common components!

Are you building your robot simulator for fun, or you believe there is a gap in the market? If you believe there is the

2020-08-09 06:11:01 -0500 commented answer Rolling my own simulator, asking for a list of common components!

Interesting! I wish you luck! But keep in mind that it is going to be hard, and consider contributing to the existing ro

2020-08-09 04:59:01 -0500 answered a question Rolling my own simulator, asking for a list of common components!

Are you building your robot simulator for fun, or you believe there is a gap in the market? If you believe there is the

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2020-08-08 09:04:24 -0500 commented answer ros2 concatenate string to launchargument

Maybe somebody with a better understanding may be more suitable for this question. But, the default_value parameter is

2020-08-08 09:03:11 -0500 commented answer ros2 concatenate string to launchargument

Maybe somebody with a better understanding may be more suitable for this question. But, the default_value parameter is

2020-08-08 09:01:33 -0500 commented answer ros2 concatenate string to launchargument

Maybe somebody with a better understanding may be a more suitable for this question. If you check the source code you w

2020-08-06 02:09:56 -0500 answered a question ROS2 source de enviroments/find my packages

This question looks like duplicate: https://answers.ros.org/question/206876/how-often-do-i-need-to-source-setupbash/ ht

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2020-08-06 01:57:41 -0500 answered a question Unable to build ROS Foxy for arm32 architecture

Support for arm32 platforms has been downgraded in Foxy: https://discourse.ros.org/t/potential-downgrade-of-arm32-suppo

2020-08-06 01:57:41 -0500 received badge  Rapid Responder (source)
2020-08-04 13:52:19 -0500 answered a question problem to read topics with sensorQos in rviz and rqt

If you check the QoS profile for sensor_data you will see that reliability is set to the best effort: https://github.com

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2020-08-04 13:25:16 -0500 answered a question ros2 concatenate string to launchargument

You can replace the string concatenation with an array, e.g.: import launch from launch.actions import DeclareLaunchArg

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2020-08-02 06:57:34 -0500 edited answer How to include another package's launchfile in my launchfile ?

Hey @bastien, here is an example you can include launch file from another package: IncludeLaunchDescription(

2020-08-02 06:57:10 -0500 answered a question How to include another package's launchfile in my launchfile ?

Hey @bastien, here is an example you can include launch file from another package: IncludeLaunchDescription(

2020-08-02 06:49:27 -0500 commented answer [ROS2] what is different between DeclareLaunchArgument and LaunchConfiguration

@fastestindian, It is the wrong way to deal with substitutions, once you have substitution the content of it cannot be u

2020-08-02 06:48:39 -0500 commented answer [ROS2] what is different between DeclareLaunchArgument and LaunchConfiguration

@fastestindian, It is the wrong way to deal with substitutions, once you have substitution the content of it cannot be u

2020-08-02 06:48:15 -0500 commented answer [ROS2] what is different between DeclareLaunchArgument and LaunchConfiguration

@fastestindian, It is the wrong way to deal with substitutions, once you have substitution the content of it cannot be u