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ImageMarkerSubscriber QML Type

Subscribes to visualization_msgs::msg::ImageMarker messages from a ROS 2 topic. More...

Import Statement: import QtRos2.VisualizationMsgs
Inherits:

SubscriberBase

Status: Experimental Extension

Properties

Signals

Detailed Description

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

See also ImageMarkerPublisher and imageMarker.

Property Documentation

action : int32_t

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

fillColor : colorRGBA

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

filled : uint8_t

The filled field of the last received message. Updated whenever a new message arrives. filledChanged 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.

id : int32_t

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

lifetime : duration

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

message : imageMarker

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

ns : string

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

outlineColor : colorRGBA

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

outlineColors : list<colorRGBA>

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

points : list<point>

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

position : point

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

scale : real

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

type : int32_t

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

Signal Documentation

messageReceived(imageMarker msg)

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

Note: The corresponding handler is onMessageReceived.

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