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2022-07-18 11:22:53 -0500 marked best answer ros2 launch using IncludeLaunchDescription and remapping topics

To re-use other packages in the ROS2 ecosystem, it's often advantageous to directly re-use the launch files provided with a package by using IncludeLaunchDescription. Often the launch files from other included packages provide launch arguments to overwrite parameters, node names, namespaces, and sometimes topics. What if they don't? Is there another programmatic way to overwrite these values without the use of launch args?

In particular I'm curious about topics. I want to use IncludeLaunchDescription to reuse a launch file from another package but I also would like to remap some topics to match my topic scheme (already defined by use of many bags, other node's expectations, etc.). It seems the only option now is to copy the provided launch into my package and rework it to support my topic, param, node, and namespace names. Is there another way that promotes reuse in a more flexible way?

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2022-06-22 15:41:04 -0500 edited question ROS2 per topic intra-process communications setup

ROS2 per topic intra-process communications setup If you don't use intra-process comms on the whole node by setting rclc

2022-06-22 15:39:48 -0500 commented question Is it possible to spawn or update a model with a new link and plugin?

Sorry. I didn't post in Gazebo answers yet. Feel free to do so. I basically decided to add it to the Xacro and use param

2022-06-22 15:26:27 -0500 commented answer What is ROS2 daemon?

I believe the downside of running the daemon automatically is that participant discovery traffic always running can have

2022-06-22 15:25:06 -0500 commented answer What is ROS2 daemon?

I believe the downside of running the daemon automatically is that participant discovery traffic always running can have

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2022-04-25 21:45:15 -0500 asked a question Debug a ROS2 python launch file

Debug a ROS2 python launch file I’ve seen examples how to add launch prefix to attach gdb to ROS2 nodes from a launch fi

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2022-04-13 10:16:54 -0500 commented question ROS2 per topic intra-process communications setup

It's been suggested to try two things: set Log level to "DEBUG" try going back to intra-process for the whole node

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2022-04-06 11:06:40 -0500 asked a question ROS2 per topic intra-process communications setup

ROS2 per topic intra-process communications setup If you don't use intra-process comms on the whole node by setting rclc

2022-04-05 10:11:32 -0500 commented answer Intra-Process Communication between Components in Container

Is ipc_demo your personal package? I'm wondering how you handled any modifications to CPP source (possibly from composit

2022-04-01 10:39:44 -0500 commented question In ROS2 is there a way to determine the publisher's name in a subscription callback?

It's at least using message_filters and MessageEvent code: https://github.com/ros2/message_filters/blob/6915b38575e2965

2022-03-31 13:24:32 -0500 asked a question In ROS2 is there a way to determine the publisher's name in a subscription callback?

In ROS2 is there a way to determine the publisher's name in a subscription callback? I believe in ROS1 there's an altern

2022-01-25 12:30:48 -0500 asked a question ros2 launch using IncludeLaunchDescription and remapping topics

ros2 launch using IncludeLaunchDescription and remapping topics To re-use other packages in the ROS2 ecosystem, it's oft

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2021-09-28 12:00:42 -0500 edited answer ROS2 nodes stay alive and keep publishing after shutting down

Is another machine running ROS2 on your network? You might want to try disconnecting your computer from the network and

2021-09-28 11:58:51 -0500 answered a question ROS2 nodes stay alive and keep publishing after shutting down

Is another machine running ROS2 on your network? You might want to try disconnecting your computer from the network and

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2021-09-10 13:36:54 -0500 edited question bags recorded with custom messages aren't showing up in foxy

bags recorded with custom messages aren't showing up in foxy What of significance might have changed in Galactic that a

2021-09-10 13:34:05 -0500 asked a question bags recorded with custom messages aren't showing up in foxy

bags recorded with custom messages aren't showing up in foxy What of significance might have changed in Galactic that a

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2021-08-02 08:00:55 -0500 edited question ROS2 python logging conditionals

ROS2 python logging conditions I spent some time looking for logging features for ROS2 python logging like we have in RO

2021-08-01 17:04:51 -0500 asked a question ROS2 python logging conditionals

ROS2 python logging conditions I spent some time looking for logging features for ROS2 python logging like we have in RO

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2021-07-26 17:20:20 -0500 edited question Override params in loaded from yaml in ROS2 launch.py

Override params in loaded from yaml in ROS2 launch.py In ROS2 Launch (using python), the Node class takes a parameters a

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2021-07-26 11:33:28 -0500 asked a question Override params in loaded from yaml in ROS2 launch.py

Override params in loaded from yaml in ROS2 launch.py In ROS2 Launch (using python), the Node class takes a parameters a