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PolygonInstanceSubscriber QML Type

Subscribes to geometry_msgs::msg::PolygonInstance messages — A specification of a polygon where the first and last points are assumed to be connected It includes a unique identification field for disambiguating multiple instances. More...

Import Statement: import QtRos2.GeometryMsgs
Inherits:

SubscriberBase

Status: Experimental Extension

Properties

Signals

Detailed Description

PolygonInstanceSubscriber receives polygonInstance values from a ROS 2 topic. Set the topic and node properties, then connect to the messageReceived() signal.

See also PolygonInstancePublisher and polygonInstance.

Property Documentation

id : int64_t

The id field of the last received message. Updated whenever a new message arrives. idChanged is emitted on every update.

message : polygonInstance

The last message received on topic. Updated whenever a new message arrives.

polygon : polygon

The polygon field of the last received message. Updated whenever a new message arrives. polygonChanged is emitted on every update.

Signal Documentation

messageReceived(polygonInstance msg)

Emitted when a new polygonInstance arrives on topic. msg contains the received value.

Note: The corresponding handler is onMessageReceived.

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