NAO Software 1.14.5 documentation

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ALBacklightingDetection API

NAOqi Vision - Overview | API

Namespace : AL

#include <alproxies/albacklightingdetectionproxy.h>

Method list

class ALBacklightingDetectionProxy

• As any module, this module inherits methods from ALModule API.
• It also inherits methods from ALExtractor API and ALVisionExtractor API.

Events lists

• BacklightingDetected()

ALMemory Keys list

• BacklightingValue

Events

Event: "BacklightingDetected"

callback(std::string eventName, std::string subscriberIdentifier)

Raised when a backlighting situation was just detected (the backlighting value just turned to 2). This event is raised only once for each backlighting situation : as long as the backlighting value equals 2, the event is not raised another time.

Note

This event should be prefixed by BacklightingDetection/ when subscribing to it.

ALMemory Keys

int BacklightingValue

Value of the backlighting measured for each frame (0, 1 or 2, see the explanation in the overview).

Full name in ALMemory: BacklightingDetection/BacklightingValue

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