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Class java.media.j3d.PhysicalEnvironment

java.lang.Object
   |
   +----java.media.j3d.PhysicalEnvironment

public class PhysicalEnvironment

extends Object

HEADPHONES

MONO_SPEAKER

STEREO_SPEAKERS

PhysicalEnvironment()

Constructs and initializes a new physical environment object.

addInputDevice(InputDevice)

Add an input device to the list of input devices

allInputDevices()

Create an enumerator that produces all available devices

getAngleOffsetToSpeaker()

Get Angle Offset To Speaker

getAudioPlaybackType()

Get Type of Audio Playback Output Device

getCenterEarToSpeaker()

Get Distance from Center Ear to Speakers

getCoexistenceCenterInPworldPolicy()

Returns the current coexistence center in physical world policy.

getCoexistenceToTrackerBase(Transform3D)

Retrieves the coexistence coordinate system to tracker-base coordinate system transform and copies it into the specified Transform3D object.

getSensor(int)

Get the specified sensor

getSensorCount()

Get the current sensor count.

getTrackingAvailable()

Returns a status flag indicating whether or not tracking is available.

setAngleOffsetToSpeaker(float)

Set Angle Offset To Speaker

setAudioPlaybackType(int)

Set Type of Audio Playback physical transducer(s) sound is output to.

setCenterEarToSpeaker(float)

Set Distance from Center Ear to Speakers

setCoexistenceCenterInPworldPolicy(int)

Sets the coexistence center in physical world policy.

setCoexistenceToTrackerBase(Transform3D)

Sets the coexistence coordinate system to tracker-base coordinate system transform.

setSensorCount(int)

Set the number of sensor objects per PhysicalEnvironmnet.

 public static final int HEADPHONES

 public static final int MONO_SPEAKER

 public static final int STEREO_SPEAKERS

 public PhysicalEnvironment()

Constructs and initializes a new physical environment object.

 public void addInputDevice(InputDevice device)

Add an input device to the list of input devices

 public Enumeration allInputDevices()

Create an enumerator that produces all available devices

Returns:

an enumerator of all available devices

 public void setCoexistenceToTrackerBase(Transform3D t)

Sets the coexistence coordinate system to tracker-base coordinate system transform. If head tracking is enabled, this transform is a calibration constant. If head tracking is not enabled, this transform is not used. This is used in both SCREEN_VIEW and HMD_VIEW modes.

Parameters:

t - the new transform

 public void getCoexistenceToTrackerBase(Transform3D t)

Retrieves the coexistence coordinate system to tracker-base coordinate system transform and copies it into the specified Transform3D object.

Parameters:

t - the object that will receive the transform

 public boolean getTrackingAvailable()

Returns a status flag indicating whether or not tracking is available.

Returns:

a flag telling whether tracking is available

 public void setCoexistenceCenterInPworldPolicy(int policy)

Sets the coexistence center in physical world policy. This setting determines how Java 3D places the user's eye point as a function of head position during the calibration process. The variable can contain one of: View.NOMINAL_SCREEN, View.NOMINAL_HEAD, or View.NOMINAL_FEET.

Parameters:

policy - the new policy

 public int getCoexistenceCenterInPworldPolicy()

Returns the current coexistence center in physical world policy.

Returns:

one of: View.NOMINAL_SCREEN, View.NOMINAL_HEAD, or View.NOMINAL_FEET

 public int getSensorCount()

Get the current sensor count.

Returns:

s the number of sensor objects per PhysicalEnvironment object

 public void setSensorCount(int count)

Set the number of sensor objects per PhysicalEnvironmnet. This is a calibration parameter that should be set before initializing Java 3D.

Parameters:

count - the new sensor count

 public Sensor getSensor(int i)

Get the specified sensor

Returns:

s a reference to the specified sensor

 public void setAudioPlaybackType(int type)

Set Type of Audio Playback physical transducer(s) sound is output to. Valid types are HEADPHONE, MONO_SPEAKER, STEREO_SPEAKERS

Parameters:

type - of audio output device

 public int getAudioPlaybackType()

Get Type of Audio Playback Output Device

Returns:

s audio playback type to which sound is currently output

 public void setCenterEarToSpeaker(float distance)

Set Distance from Center Ear to Speakers

Parameters:

distance - from center ear and speaker(s)

 public float getCenterEarToSpeaker()

Get Distance from Center Ear to Speakers

Returns:

s value set as distance from listener to speaker(s)

 public void setAngleOffsetToSpeaker(float angle)

Set Angle Offset To Speaker

Parameters:

angle - in radian between head coordinate Z axis and vector to speaker

 public float getAngleOffsetToSpeaker()

Get Angle Offset To Speaker

Returns:

s value set as angle between vector to speaker and Z head axis

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