rqt_bag.plugins.message_view module

class rqt_bag.plugins.message_view.MessageView(*args: Any, **kwargs: Any)

Bases: QObject

A message details renderer. When registered with rqt_bag, a MessageView is called whenever the timeline playhead moves.

close()

Close the message view, releasing any resources.

event(event)

This function will be called to process events posted by post_event it will call message_cleared or message_viewed with the relevant data

message_cleared()

Clear the currently viewed message (if any).

message_viewed(*, bag, entry, ros_message, msg_type_name, topic)

View the message.

@param bag: the bag file the message is contained in @type bag: rosbag.Bag @param entry: the bag entry of the message to be viewed @type entry: tuple (id, topic_id, timestamp, data) @param ros_message: the (deserialized) ROS message @type msg: ROS message @param msg_type_name: the name of the message type @type string @param topic: the topic on which the message was recorded @type topic: string

name = 'Untitled'

timeline_changed()

Called when the messages in a timeline change, e.g. if a new message is recorded, or a bag file is added