Demos Alternatives

demos reviews and mentions

• ROS2 for Docker
  1 project | /r/ROS | 22 Dec 2022

  ARG FROM_IMAGE=ros:foxy ARG OVERLAY_WS=/opt/ros/overlay_ws # multi-stage for caching FROM $FROM_IMAGE AS cacher # clone overlay source ARG OVERLAY_WS WORKDIR $OVERLAY_WS/src RUN echo "\ repositories: \n\ ros2/demos: \n\ type: git \n\ url: https://github.com/ros2/demos.git \n\ version: ${ROS_DISTRO} \n\ " > ../overlay.repos RUN vcs import ./ < ../overlay.repos # copy manifests for caching WORKDIR /opt RUN mkdir -p /tmp/opt && \ find ./ -name "package.xml" | \ xargs cp --parents -t /tmp/opt && \ find ./ -name "COLCON_IGNORE" | \ xargs cp --parents -t /tmp/opt || true # multi-stage for building FROM $FROM_IMAGE AS builder # install overlay dependencies ARG OVERLAY_WS WORKDIR $OVERLAY_WS COPY --from=cacher /tmp/$OVERLAY_WS/src ./src RUN . /opt/ros/$ROS_DISTRO/setup.sh && \ apt-get update && rosdep install -y \ --from-paths \ src/ros2/demos/demo_nodes_cpp \ src/ros2/demos/demo_nodes_py \ --ignore-src \ && rm -rf /var/lib/apt/lists/* # build overlay source COPY --from=cacher $OVERLAY_WS/src ./src ARG OVERLAY_MIXINS="release" RUN . /opt/ros/$ROS_DISTRO/setup.sh && \ colcon build \ --packages-select \ demo_nodes_cpp \ demo_nodes_py \ --mixin $OVERLAY_MIXINS # source entrypoint setup ENV OVERLAY_WS $OVERLAY_WS RUN sed --in-place --expression \ '$isource "$OVERLAY_WS/install/setup.bash"' \ /ros_entrypoint.sh # run launch file CMD ["ros2", "launch", "demo_nodes_cpp", "talker_listener.launch.py"]

• Inverted pendulum realtime metrics
  3 projects | /r/ROS | 9 Nov 2022

  Hello, I am doing my thesis in ros2, on linux with realtime preemt kernel and all the reccomended settings. The problem is, in older demo : https://github.com/ros2/demos/tree/rolling/pendulum_control Performance statistics got printed automatically, in a newer version :

• Are lifecycle / managed nodes common and/or recommended?
  1 project | /r/ROS | 29 Apr 2021

  Managed or lifecycle nodes make sense to me (see also design page). I've frequently used state machines for this sort of thing in the past, and it sounds like a good idea to have some infrastructure in place to avoid reproduction of effort.

• A note from our sponsor - WorkOS
  workos.com | 29 Apr 2024

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