AlexKaravaev

Record behavior dataset without joystick

1

I want to record dataset without ps4 joystick, however from the code, I think it is possible to switch states only from joystick button, or there are some other ways...

When I create environment via these lines ``` import gym import gym_duckietown def launch_env(id=None): env = None if id is None: # Launch the environment from gym_duckietown.simulator import Simulator from...

Valhalla support

1

I can see, that mapbox oficially uses valhalla as backend for routing, but I don't understand, how I can connect own instance of valhalla to directions plugin? For me only...

Add benchmarks for Subscriber and Publisher

2

Hi everyone! It's a PR for #33, however, I don't really know which of the parts of the library should be benchmarked at first, currently I only have written tests...

What is the easiest way to get blackboard variable from rclpy node?

5

Hi there! I am struggling to get blackboard variable from one of my nodes, approaches I've tried: 1) Creating blackboard client in node __init__ ``` self.blackboard = py_trees.blackboard.Client(name="stop_client") self.blackboard.register_key(key="/stop", access=py_trees.common.Access.WRITE)...

When I unplug camera and plug it back the "VIDIOC_DQBUF: No such device" error occurs in terminal. Maybe it's an issue within opencv library, but still is there a way,...

Getting logs from exec_run in a stream fashion

1

What I want to do is to get stdout/stderr of the command in exec_run line after line. I tried settung `stream=True` and also `detach=True` and then after retrieving logs, but...

Add publisher with member function example

3

I thought that it can be quite useful to have this in examples. It's like a mix between [one of the rclcpp examples](https://github.com/ros2/examples/blob/rolling/rclcpp/topics/minimal_publisher/member_function.cpp) and republisher from [tutorial](https://github.com/ros2-rust/ros2_rust/blob/main/docs/writing-your-first-rclrs-node.md). What I don't...

System info: ``` Docker image ros:rolling ``` ``` --- stderr: self_test /overlay_ws/src/diagnostics/self_test/src/run_selftest.cpp: In member function ‘rclcpp::Client::SharedFuture ClientNode::queue_async_request()’: /overlay_ws/src/diagnostics/self_test/src/run_selftest.cpp:94:75: error: conversion from ‘rclcpp::Client::SharedFutureAndRequestId’ to ‘rclcpp::Client::SharedFuture’ {aka ‘std::shared_future’} is ambiguous 94 |...

Errors logged in console on killing nodes via ctrl+c

7

## Bug report **Required Info:** - Operating System: Linux 0ece455f6e93 5.4.0-48-generic #52-Ubuntu SMP Thu Sep 10 10:58:49 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux - Installation type: osrf/ros2:nightly docker image -...