HeaderSubscriber QML Type
Subscribes to std_msgs::msg::Header messages — Standard metadata for higher-level stamped data types. More...
| Import Statement: | import QtRos2.StdMsgs |
| Inherits: | |
| Status: | Experimental Extension |
Properties
Signals
- messageReceived(header msg)
Detailed Description
This is generally used to communicate timestamped data in a particular coordinate frame.
HeaderSubscriber receives header values from a ROS 2 topic. Set the topic and node properties, then connect to the messageReceived() signal.
See also HeaderPublisher and header.
Property Documentation
frameId : string
The frameId field of the last received message. Updated whenever a new message arrives. frameIdChanged is emitted on every update.
message : header
The last message received on topic. Updated whenever a new message arrives.
stamp : time
The stamp field of the last received message. Updated whenever a new message arrives. stampChanged is emitted on every update.
Signal Documentation
messageReceived(header msg)
Emitted when a new header arrives on topic. msg contains the received value.
Note: The corresponding handler is onMessageReceived.
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