illuminance QML Value Type

Single photometric illuminance measurement. Light should be assumed to be measured along the sensor's x-axis (the area of detection is the y-z plane). More...

Properties

• header : header
• illuminance : double
• variance : double

Detailed Description

The illuminance should have a 0 or positive value and be received with the sensor's +X axis pointing toward the light source.

Photometric illuminance is the measure of the human eye's sensitivity of the intensity of light encountering or passing through a surface.

All other Photometric and Radiometric measurements should not use this message. This message cannot represent:

• Luminous intensity (candela/light source output)
• Luminance (nits/light output per area)
• Irradiance (watt/area), etc.

illuminance is a structured value type usable in QML. It maps directly to the sensor_msgs::msg::Illuminance ROS 2 message type.

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

See also IlluminancePublisher and IlluminanceSubscriber.

Property Documentation

header : header

illuminance : double

variance : double