Should have discoverable documentation on tf2::TimePointZero vs. other constructs #894
Description
From #892 (comment)
- https://github.com/ros2/rviz/tree/humble#pluggable-transformation-library - describes pluggable transforms, thus may merit usage of
rclcpp::Time(0, 0, clock->get_clock_type()) - https://github.com/ros2/rviz/blob/humble/docs/plugin_development.md - describes plugin development, mentions using
TransfomerGuard, but provides no explicit guidance on when to usetf2::TImePointZerovs.rclcpp::Time(0, 0, ...). - https://docs.ros.org/en/humble/Tutorials/Intermediate/Tf2/Learning-About-Tf2-And-Time-Cpp.html#tf2-and-time - mentions
tf2::TimePointZero, but makes no mention of when to prefer other construct - When to use
rclcpp::TimePoint(0, 0)vs.rclcpp::TimePoint(0, 0, clock->get_clock_type())unclear, will probably admit bugs
It would be nice to have discoverable documentation for this in some location.
\cc @sloretz