com.maxst.ar.TrackerManager Class Reference

Classes
enum	TrackingOption

Public Member Functions
void	startTracker (int trackerType)
void	stopTracker ()
void	destroyTracker ()
void	addTrackerData (String trackingFileName, boolean isAndroidAssetFile)
void	removeTrackerData (String trackingFileName)
void	loadTrackerData ()
boolean	isTrackerDataLoadCompleted ()
TrackingState	updateTrackingState ()
void	findSurface ()
void	quitFindingSurface ()
void	setTrackingOption (TrackingOption option)
SurfaceThumbnail	saveSurfaceData (String fileName)
void	getWorldPositionFromScreenCoordinate (float[] screenCoord, float[] worldPos)
GuideInfo	getGuideInformation ()
void	saveFrames ()

Static Public Member Functions
static TrackerManager	getInstance ()

Static Public Attributes
static final int	TRACKER_TYPE_CODE_SCANNER = 0X01
static final int	TRACKER_TYPE_IMAGE = 0X02
static final int	TRACKER_TYPE_MARKER = 0X04
static final int	TRACKER_TYPE_OBJECT = 0X08
static final int	TRACKER_TYPE_SLAM = 0x10
static final int	TRACKER_TYPE_INSTANT = 0x20

Detailed Description

Control AR Engine

Definition at line 9 of file TrackerManager.java.

Member Function Documentation

addTrackerData()

void com.maxst.ar.TrackerManager.addTrackerData	(	String	trackingFileName,
		boolean	isAndroidAssetFile
	)

Add map file to candidate list.

Parameters

trackingFileName	absolute file path if map file is located in sdcard, relative file name path map file is located in assets folder
isAndroidAssetFile	flag for notify map file is located in assets folder

Definition at line 112 of file TrackerManager.java.

destroyTracker()

void com.maxst.ar.TrackerManager.destroyTracker

(

)

Remove all tracking data (Map data and tracking result)

Definition at line 103 of file TrackerManager.java.

findSurface()

void com.maxst.ar.TrackerManager.findSurface

(

)

Start to find the surface of an environment from a camera image (works on Instant Tracker and SLAM)

Definition at line 152 of file TrackerManager.java.

getGuideInformation()

GuideInfo com.maxst.ar.TrackerManager.getGuideInformation

(

)

Get guide information describing SLAM status (initializing progress, # keyframes, # features and feature position) after the findSurface method has been called

Returns

GuideInfo instance

Definition at line 212 of file TrackerManager.java.

getWorldPositionFromScreenCoordinate()

void com.maxst.ar.TrackerManager.getWorldPositionFromScreenCoordinate	(	float []	screenCoord,
		float []	worldPos
	)

Get 3d world coordinate corresponding to given 2d screen position

Parameters

screenCoord	screen touch x, y position
worldPos	world position x, y, z

Definition at line 195 of file TrackerManager.java.

isTrackerDataLoadCompleted()

boolean com.maxst.ar.TrackerManager.isTrackerDataLoadCompleted

(

)

Get map files loading state. This is for UI expression.

Returns

true if map loading is completed

Definition at line 135 of file TrackerManager.java.

loadTrackerData()

void com.maxst.ar.TrackerManager.loadTrackerData

(

)

Load map files in candidate list to memory. This method don't block main(UI) thread

Definition at line 127 of file TrackerManager.java.

quitFindingSurface()

void com.maxst.ar.TrackerManager.quitFindingSurface

(

)

Stop to find the surface (works on Instant Tracker and SLAM)

Definition at line 159 of file TrackerManager.java.

removeTrackerData()

void com.maxst.ar.TrackerManager.removeTrackerData

(

String

trackingFileName

)

Remove map file from candidate list.

Parameters

trackingFileName

map file name. If set "" (empty) file list will be cleared.

Definition at line 120 of file TrackerManager.java.

saveSurfaceData()

SurfaceThumbnail com.maxst.ar.TrackerManager.saveSurfaceData

(

String

fileName

)

Save the surface data to file (works on only SLAM). A saved file is loaded and used in Object Tracker.

Parameters

fileName

file path (should be absolute path)

Returns

SurfaceThumbnail instance if true else null

Definition at line 181 of file TrackerManager.java.

setTrackingOption()

void com.maxst.ar.TrackerManager.setTrackingOption

(

TrackingOption

option

)

Set tracking options.

Parameters

option

tracking option TrackingOption.NORMAL_TRACKING : Normal Tracking (Image Tracker Only, Default Option for Image Tracker) TrackingOption.EXTENDED_TRACKING : Extended Tracking (Image Tracker Only) TrackingOption.MULTI_TRACKING : Multiple Target Tracking (Image Tracker Only) TrackingOption.JITTER_REDUCTION_ACTIVATION : Jitter Reduction Activation (Marker, Image, and Object Tracker) TrackingOption.JITTER_REDUCTION_DEACTIVATION : Jitter Reduction Deactivation (Marker, Image, and Object Tracker, Default Option for Jitter Reduction)

Definition at line 172 of file TrackerManager.java.

startTracker()

void com.maxst.ar.TrackerManager.startTracker

(

int

trackerType

)

Start AR engine. Only one tracking engine could be run at one time

Parameters

trackerType

tracking engine type

Definition at line 89 of file TrackerManager.java.

stopTracker()

void com.maxst.ar.TrackerManager.stopTracker

(

)

Stop tracking engine

Definition at line 96 of file TrackerManager.java.

updateTrackingState()

TrackingState com.maxst.ar.TrackerManager.updateTrackingState

(

)

Update tracking state. This method should be called before getTrackingResult and background rendering

Returns

tracking state

Definition at line 143 of file TrackerManager.java.

Member Data Documentation

TRACKER_TYPE_CODE_SCANNER

final int com.maxst.ar.TrackerManager.TRACKER_TYPE_CODE_SCANNER = 0X01

static

Code scanner

Definition at line 14 of file TrackerManager.java.

TRACKER_TYPE_IMAGE

final int com.maxst.ar.TrackerManager.TRACKER_TYPE_IMAGE = 0X02

static

Planar image tracker

Definition at line 19 of file TrackerManager.java.

TRACKER_TYPE_INSTANT

final int com.maxst.ar.TrackerManager.TRACKER_TYPE_INSTANT = 0x20

static

Instant tracker

Definition at line 39 of file TrackerManager.java.

TRACKER_TYPE_MARKER

final int com.maxst.ar.TrackerManager.TRACKER_TYPE_MARKER = 0X04

static

Marker tracker

Definition at line 24 of file TrackerManager.java.

TRACKER_TYPE_OBJECT

final int com.maxst.ar.TrackerManager.TRACKER_TYPE_OBJECT = 0X08

static

Object tracker (Object data should be created via SLAM tracker)

Definition at line 29 of file TrackerManager.java.

TRACKER_TYPE_SLAM

final int com.maxst.ar.TrackerManager.TRACKER_TYPE_SLAM = 0x10

static

Visual slam tracker (Can create surface data and save it)

Definition at line 34 of file TrackerManager.java.

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The documentation for this class was generated from the following file:

• com/maxst/ar/TrackerManager.java