When will 'serialize_numpy' and 'deserialize_numpy' is used?

ros / ros_comm

ROS communications-related packages, including core client libraries (roscpp, rospy, roslisp) and graph introspection tools (rostopic, rosnode, rosservice, rosparam).

http://wiki.ros.org/ros_comm

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When will 'serialize_numpy' and 'deserialize_numpy' is used? #2306

Open ZhengXinyue opened 1 year ago

ZhengXinyue commented 1 year ago

I know that 'serialize' and 'deserialize' will be used when publish and subscribe messages. What's the difference between 'serialize' and 'serialize_numpy' method?