javax.media.j3d

Class ViewCache

java.lang.Object

javax.media.j3d.ViewCache

 class ViewCache
extends java.lang.Object

The ViewCache class is used to cache all data, both API data and derived data, that is independent of the Canvas3D and Screen3D.

Field Summary

Fields

Modifier and Type	Field and Description
(package private) double	backClipDistance
(package private) int	backClipPolicy
(package private) boolean	coexistenceCenteringEnable
(package private) int	coexistenceCenterInPworldPolicy
(package private) Transform3D	coexistenceToTrackerBase
(package private) boolean	compatibilityModeEnable
(package private) Transform3D	compatLeftProjection
(package private) Transform3D	compatRightProjection
(package private) Transform3D	compatVpcToEc
private boolean	doHeadTracking
(package private) double	fieldOfView
(package private) double	frontClipDistance
(package private) int	frontClipPolicy
(package private) int	headIndex
(package private) Transform3D	headToHeadTracker
(package private) Transform3D	headTrackerToTrackerBase
(package private) Point3d	leftEarPosInHead The user's left ear's position in head coordinates.
(package private) Point3d	leftEyePosInHead The user's left eye's position in head coordinates.
(package private) Point3d	leftManualEyeInCoexistence
(package private) int	monoscopicViewPolicy
(package private) double	nominalEyeHeightFromGround The user's nominal eye height as measured from the ground plane.
(package private) double	nominalEyeOffsetFromNominalScreen The amount to offset the system's viewpoint from the user's current eye-point.
(package private) int	projectionPolicy
(package private) Point3d	rightEarPosInHead The user's right ear's position in head coordinates.
(package private) Point3d	rightEyePosInHead The user's right eye's position in head coordinates.
(package private) Point3d	rightManualEyeInCoexistence
(package private) double	screenScale
(package private) int	screenScalePolicy
(package private) Transform3D	trackerBaseToHeadTracker
(package private) boolean	trackingAvailable
(package private) boolean	trackingEnable
(package private) Transform3D	userHeadToVworld
(package private) boolean	userHeadToVworldEnable
(package private) int	vcDirtyMask
(package private) View	view
(package private) int	viewAttachPolicy
(package private) int	viewPolicy
(package private) int	visibilityPolicy Defines the visibility policy.
(package private) ViewPlatformRetained	vpRetained
(package private) int	windowEyepointPolicy
(package private) int	windowMovementPolicy
(package private) int	windowResizePolicy

Constructor Summary

Constructors

Constructor and Description
ViewCache(View view) Constructs and initializes a ViewCache object.

Method Summary

Methods

Modifier and Type	Method and Description
(package private) void	computeDerivedData() Compute derived data using the snapshot of the per-view data.
(package private) boolean	getDoHeadTracking()
(package private) void	snapshot() Take snapshot of all per-view API parameters and input values.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

view

View view

viewAttachPolicy

int viewAttachPolicy

leftEyePosInHead

Point3d leftEyePosInHead

The user's left eye's position in head coordinates.

rightEyePosInHead

Point3d rightEyePosInHead

The user's right eye's position in head coordinates.

leftEarPosInHead

Point3d leftEarPosInHead

The user's left ear's position in head coordinates.

rightEarPosInHead

Point3d rightEarPosInHead

The user's right ear's position in head coordinates.

nominalEyeHeightFromGround

double nominalEyeHeightFromGround

The user's nominal eye height as measured from the ground plane.

nominalEyeOffsetFromNominalScreen

double nominalEyeOffsetFromNominalScreen

The amount to offset the system's viewpoint from the user's current eye-point. This offset distance allows an "Over the shoulder" view of the scene as seen by the user.

headToHeadTracker

Transform3D headToHeadTracker

coexistenceToTrackerBase

Transform3D coexistenceToTrackerBase

headTrackerToTrackerBase

Transform3D headTrackerToTrackerBase

trackerBaseToHeadTracker

Transform3D trackerBaseToHeadTracker

trackingAvailable

boolean trackingAvailable

headIndex

int headIndex

coexistenceCenterInPworldPolicy

int coexistenceCenterInPworldPolicy

compatibilityModeEnable

boolean compatibilityModeEnable

coexistenceCenteringEnable

boolean coexistenceCenteringEnable

leftManualEyeInCoexistence

Point3d leftManualEyeInCoexistence

rightManualEyeInCoexistence

Point3d rightManualEyeInCoexistence

viewPolicy

int viewPolicy

projectionPolicy

int projectionPolicy

screenScalePolicy

int screenScalePolicy

screenScale

double screenScale

windowResizePolicy

int windowResizePolicy

windowMovementPolicy

int windowMovementPolicy

windowEyepointPolicy

int windowEyepointPolicy

monoscopicViewPolicy

int monoscopicViewPolicy

fieldOfView

double fieldOfView

frontClipDistance

double frontClipDistance

backClipDistance

double backClipDistance

frontClipPolicy

int frontClipPolicy

backClipPolicy

int backClipPolicy

vpRetained

ViewPlatformRetained vpRetained

visibilityPolicy

int visibilityPolicy

Defines the visibility policy.

trackingEnable

boolean trackingEnable

userHeadToVworldEnable

boolean userHeadToVworldEnable

compatVpcToEc

Transform3D compatVpcToEc

compatLeftProjection

Transform3D compatLeftProjection

compatRightProjection

Transform3D compatRightProjection

vcDirtyMask

int vcDirtyMask

doHeadTracking

private boolean doHeadTracking

userHeadToVworld

Transform3D userHeadToVworld

Constructor Detail

ViewCache

ViewCache(View view)

Constructs and initializes a ViewCache object.

Method Detail

snapshot

void snapshot()

Take snapshot of all per-view API parameters and input values.

computeDerivedData

void computeDerivedData()

Compute derived data using the snapshot of the per-view data.

getDoHeadTracking

boolean getDoHeadTracking()