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CompressedImageSubscriber QML Type

Subscribes to sensor_msgs::msg::CompressedImage messages — This message contains a compressed image. More...

Import Statement: import QtRos2.SensorMsgs
Inherits:

SubscriberBase

Status: Experimental Extension

Properties

Signals

Detailed Description

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

See also CompressedImagePublisher and compressedImage.

Property Documentation

data : ArrayBuffer

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

format : string

The format field of the last received message. Updated whenever a new message arrives. formatChanged 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 : compressedImage

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

Signal Documentation

messageReceived(compressedImage msg)

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

Note: The corresponding handler is onMessageReceived.

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