imageMarker QML Value Type

Qt value type wrapper for visualization_msgs::msg::ImageMarker ROS 2 messages. More...

Properties

• action : int32_t
• fillColor : colorRGBA
• filled : uint8_t
• header : header
• id : int32_t
• lifetime : duration
• ns : string
• outlineColor : colorRGBA
• outlineColors : list<colorRGBA>
• points : list<point>
• position : point
• scale : real
• type : int32_t

Detailed Description

imageMarker is a structured value type usable in QML. It maps directly to the visualization_msgs::msg::ImageMarker ROS 2 message type.

Construct a imageMarker in QML by assigning a JavaScript object whose keys are its component properties, or by setting those properties individually.

See also ImageMarkerPublisher and ImageMarkerSubscriber.

Property Documentation

action : int32_t

Either ADD or REMOVE.

fillColor : colorRGBA

Fill color; in the range: [0.0-1.0]

filled : uint8_t

Whether or not to fill in the shape with color.

header : header

id : int32_t

Unique id within the namespace.

lifetime : duration

How long the object should last before being automatically deleted.

0 indicates forever.

ns : string

Namespace which is used with the id to form a unique id.

outlineColor : colorRGBA

The outline color of the marker.

outlineColors : list<colorRGBA>

The color for each line, point, etc. in the points field.

points : list<point>

Coordinates in 2D in pixel coords. Used for LINE_STRIP, LINE_LIST, POINTS, etc.

position : point

Two-dimensional coordinate position, in pixel-coordinates.

scale : real

The scale of the object, e.g. the diameter for a CIRCLE.

type : int32_t

One of the above types, e.g. CIRCLE, LINE_STRIP, etc.