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ColorRGBASubscriber QML Type

Subscribes to std_msgs::msg::ColorRGBA messages from a ROS 2 topic. More...

Import Statement: import QtRos2.StdMsgs
Inherits:

SubscriberBase

Status: Experimental Extension

Properties

  • a : real
  • b : real
  • g : real
  • message : colorRGBA
  • r : real

Signals

Detailed Description

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

See also ColorRGBAPublisher and colorRGBA.

Property Documentation

a : real

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

b : real

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

g : real

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

message : colorRGBA

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

r : real

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

Signal Documentation

messageReceived(colorRGBA msg)

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

Note: The corresponding handler is onMessageReceived.

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