WTImageTracker Class Reference
Inherits from | NSObject |
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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. |
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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. |
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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