GridCellsSubscriber QML Type
Subscribes to nav_msgs::msg::GridCells messages — An array of cells in a 2D grid. More...
| Import Statement: | import QtRos2.NavMsgs |
| Inherits: | |
| Status: | Experimental Extension |
Properties
- cellHeight : real
- cellWidth : real
- cells : list<point>
- header : header
- message : gridCells
Signals
- messageReceived(gridCells msg)
Detailed Description
GridCellsSubscriber receives gridCells values from a ROS 2 topic. Set the topic and node properties, then connect to the messageReceived() signal.
See also GridCellsPublisher and gridCells.
Property Documentation
cellHeight : real
The cellHeight field of the last received message. Updated whenever a new message arrives. cellHeightChanged is emitted on every update.
cellWidth : real
The cellWidth field of the last received message. Updated whenever a new message arrives. cellWidthChanged is emitted on every update.
cells : list<point>
The cells field of the last received message. Updated whenever a new message arrives. cellsChanged is emitted on every update.
header : header
The header field of the last received message. Updated whenever a new message arrives. headerChanged is emitted on every update.
message : gridCells
The last message received on topic. Updated whenever a new message arrives.
Signal Documentation
messageReceived(gridCells msg)
Emitted when a new gridCells arrives on topic. msg contains the received value.
Note: The corresponding handler is onMessageReceived.
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