WTImageTracker Class Reference

Inherits from NSObject
Declared in WTImageTracker.h

  enabled

Whether the tracker is enabled.

@property (nonatomic, readonly) BOOL enabled

Declared In

WTImageTracker.h

– setExtendedTargets:

Use this method to define which targets should be extended after the image tracker was created.

- (void)setExtendedTargets:(NSArray<NSString*> *)extendedTargets

Parameters

extendedTargets

An array of strings containing the names of targets that should be treated as extended targets.

Discussion

Please note that calling this method will replace all extended target definitions that were set before (also the ones from the image tracker configuration).

Declared In

WTImageTracker.h

– stopExtendedTracking

Stops any extended tracking session if started.

- (void)stopExtendedTracking

Discussion

After stopping an extended tracking session, the tracker will look again for a target image and resume extended tracking when it finds one.

Declared In

WTImageTracker.h

– isExtendedTrackingActive

Returns true if the image tracker is configured to run in extended tracking mode.

- (BOOL)isExtendedTrackingActive

Declared In

WTImageTracker.h

– setDistanceChangedThreshold:

@breif Use this method to change the frequency of distance changed callbacks from the WTImageTargetDelegate

- (void)setDistanceChangedThreshold:(unsigned int)distanceChangedThreshold

Parameters

distanceChangedThreshold

The threshold in millimeter that should be used.

Discussion

@breif Use this method to change the frequency of distance changed callbacks from the WTImageTargetDelegate

Based on the value given, distance changed callbacks are called more or less frequently

Declared In

WTImageTracker.h