com.maxst.ar.TrackerManager Class Reference

Collaboration diagram for com.maxst.ar.TrackerManager:

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)
int	getKeyframeCount ()
int	getFeatureCount ()
SurfaceMesh	getSurfaceMesh ()
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_OBJECT = 0X08
static final int	TRACKER_TYPE_SLAM = 0x10
static final int	TRACKER_TYPE_INSTANT = 0x20

Detailed Description

Control AR Engine

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

destroyTracker()

void com.maxst.ar.TrackerManager.destroyTracker

(

)

Remove all tracking data (Map data and tracking result)

findSurface()

void com.maxst.ar.TrackerManager.findSurface

(

)

Get QRCode / Barcode recognition result

Returns

QRCode text or barcode text Start to find the surface of an environment from a camera image

getFeatureCount()

int com.maxst.ar.TrackerManager.getFeatureCount

(

)

Get the number of features included in surface data

Returns

feature point count

getInstance()

static TrackerManager com.maxst.ar.TrackerManager.getInstance ( )

static

getKeyframeCount()

int com.maxst.ar.TrackerManager.getKeyframeCount

(

)

Get the number of keyframes included in surface data

Returns

key frame count

getSurfaceMesh()

SurfaceMesh com.maxst.ar.TrackerManager.getSurfaceMesh

(

)

Get surface mesh information of the found surface after the findSurface method has been called

Returns

SurfaceMesh instance

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

isTrackerDataLoadCompleted()

boolean com.maxst.ar.TrackerManager.isTrackerDataLoadCompleted

(

)

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

Returns

true if map loading is completed

loadTrackerData()

void com.maxst.ar.TrackerManager.loadTrackerData

(

)

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

quitFindingSurface()

void com.maxst.ar.TrackerManager.quitFindingSurface

(

)

Stop to find the surface6

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.

saveFrames()

void com.maxst.ar.TrackerManager.saveFrames

(

)

saveSurfaceData()

SurfaceThumbnail com.maxst.ar.TrackerManager.saveSurfaceData

(

String

fileName

)

Save the surface data to file

Parameters

fileName

file path (should be absolute path)

Returns

SurfaceThumbnail instance if true else null

setTrackingOption()

void com.maxst.ar.TrackerManager.setTrackingOption

(

TrackingOption

option

)

Stop to find the surface

Here is the call graph for this function:

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

stopTracker()

void com.maxst.ar.TrackerManager.stopTracker

(

)

Stop tracking engine

updateTrackingState()

TrackingState com.maxst.ar.TrackerManager.updateTrackingState

(

)

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

Member Data Documentation

TRACKER_TYPE_CODE_SCANNER

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

static

Code scanner

TRACKER_TYPE_IMAGE

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

static

Planar image tracker

TRACKER_TYPE_INSTANT

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

static

Instant tracker

TRACKER_TYPE_OBJECT

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

static

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

TRACKER_TYPE_SLAM

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

static

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

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

• E:/Workspace/MaxstARSDK/Platform/MaxstARAndroid/MaxstAR/src/main/java/com/maxst/ar/TrackerManager.java