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TwistWithCovarianceSubscriber QML Type

Subscribes to geometry_msgs::msg::TwistWithCovariance messages — This expresses velocity in free space with uncertainty. More...

Import Statement: import QtRos2.GeometryMsgs
Inherits:

SubscriberBase

Status: Experimental Extension

Properties

Signals

Detailed Description

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

See also TwistWithCovariancePublisher and twistWithCovariance.

Property Documentation

covariance : list<double>

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

message : twistWithCovariance

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

twist : twist

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

Signal Documentation

messageReceived(twistWithCovariance msg)

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

Note: The corresponding handler is onMessageReceived.

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