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2 votes
Accepted

Subscribe to geometry_msgs/TransformStamped (tf) Message with message_filters ApproximateTime subscriber

Based on what is described , you seem to missing a fundamental way in which the /tf tree in ROS should be used. Ideally you have use a tf listener to lookup transforms at a certain time, as long as ...
akchobby's user avatar
  • 118
1 vote

ROS2 rclcpp subscriber callback uses same shared_ptr for each new message

Following advice from Steve Macenski, updating to a more recent version of ROS fixes this problem. In reviewing the changelog, the relevant ticket and fix is here: https://github.com/ros2/rclcpp/pull/...
edgex004's user avatar
1 vote

Multiple subscriptions in a single callback

There is no reason two messages will be received exactly at the same time, so when do you expect the function proc_signal_callback to be called? If the two topics ...
oKermorgant's user avatar

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