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Java Source Code / Java Documentation » 6.0 JDK Modules » java 3d » javax.media.j3d   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    javax.media.j3d.PhysicalEnvironment PhysicalEnvironment public class PhysicalEnvironment extends Object (Code) This object contains a specification of the physical environment in which the view will be generated. It is used to set up input devices (sensors) for head-tracking and other uses, and the audio output device. Sensors are indexed starting at zero. See Also:   View Field Summary  int DominantHandIndex       int HeadIndex       int LeftHandIndex       int NonDominantHandIndex       int RightHandIndex       int activeViewRef       AudioDevice audioDevice       int coexistenceCenterInPworldPolicy       Transform3D coexistenceToTrackerBase       Vector devices       InputDeviceScheduler inputsched       int peDirtyMask      static  Hashtable physicalEnvMap       int sensorCount       Sensor[] sensorList       boolean sensorListChanged       Sensor[] sensors       boolean trackingAvailable       ArrayList users      Constructor Summary public   PhysicalEnvironment()      Constructs a PhysicalEnvironment object with default parameters. public   PhysicalEnvironment(int sensorCount)      Constructs and initializes a PhysicalEnvironment object with the specified number of sensors. Method Summary public  void addInputDevice(InputDevice device)      Add an input device to the list of input devices. synchronized  void addUser(View view)      public  Enumeration getAllInputDevices()      Create an enumerator that produces all input devices. public  AudioDevice getAudioDevice()      Gets the audioDevice for this PhysicalEnvironment. public  int getCoexistenceCenterInPworldPolicy()      Returns the current coexistence center in physical world policy. public  void getCoexistenceToTrackerBase(Transform3D t)      Retrieves the coexistence coordinate system to tracker-base coordinate system transform and copies it into the specified Transform3D object. public  int getDominantHandIndex()      Gets the sensor index of the dominant hand. public  int getHeadIndex()      Gets the sensor index of the head. public  int getLeftHandIndex()      Gets the sensor index of the left hand. public  int getNonDominantHandIndex()      Gets the sensor index of the non-dominant hand. public  int getRightHandIndex()      Gets the sensor index of the right hand. public  Sensor getSensor(int index)      Gets the sensor specified by the index; sensors are indexed starting at 0. public  int getSensorCount()      Get the current sensor count.  Sensor[] getSensorList()      Returns copy of Sensor references. public  boolean getTrackingAvailable()      Returns a status flag indicating whether or not tracking is available. synchronized  void notifyUsers()      public  void removeInputDevice(InputDevice device)      Remove an input device from the list of input devices. synchronized  void removeUser(View view)      public  void setAudioDevice(AudioDevice device)      Sets the specified AudioDevice object as the device through which audio rendering for this PhysicalEnvironment will be performed. public  void setCoexistenceCenterInPworldPolicy(int policy)      Sets the coexistence center in physical world policy. public  void setCoexistenceToTrackerBase(Transform3D t)      Sets the coexistence coordinate system to tracker-base coordinate system transform. public  void setDominantHandIndex(int index)      Sets the index of the dominant hand to the specified sensor index. public  void setHeadIndex(int index)      Sets the index of the head to the specified sensor index. public  void setLeftHandIndex(int index)      Sets the index of the left hand to the specified sensor index. public  void setNonDominantHandIndex(int index)      Sets the index of the non-dominant hand to the specified sensor index. public  void setRightHandIndex(int index)      Sets the index of the right hand to the specified sensor index. public  void setSensor(int index, Sensor sensor)      Set the sensor specified by the index to sensor provided; sensors are indexed starting at 0. public  void setSensorCount(int count)      Set the number of sensor objects per PhysicalEnvironmnet. Field Detail DominantHandIndex int DominantHandIndex(Code) HeadIndex int HeadIndex(Code) The Sensor Index associated with the Head LeftHandIndex int LeftHandIndex(Code) NonDominantHandIndex int NonDominantHandIndex(Code) RightHandIndex int RightHandIndex(Code) activeViewRef int activeViewRef(Code) audioDevice AudioDevice audioDevice(Code) coexistenceCenterInPworldPolicy int coexistenceCenterInPworldPolicy(Code) coexistenceToTrackerBase Transform3D coexistenceToTrackerBase(Code) devices Vector devices(Code) inputsched InputDeviceScheduler inputsched(Code) peDirtyMask int peDirtyMask(Code) physicalEnvMap static Hashtable physicalEnvMap(Code) sensorCount int sensorCount(Code) sensorList Sensor[] sensorList(Code) sensorListChanged boolean sensorListChanged(Code) sensors Sensor[] sensors(Code) trackingAvailable boolean trackingAvailable(Code) users ArrayList users(Code) Constructor Detail PhysicalEnvironment public PhysicalEnvironment()(Code) Constructs a PhysicalEnvironment object with default parameters. The default values are as follows: sensor count : 3 sensors : null (for all array elements) head index : 0 right hand index : 1 left hand index : 2 dominant hand index : 1 nondominant hand index : 2 tracking available : false audio device : null input device list : empty coexistence to tracker base transform : identity coexistence center in pworld policy : View.NOMINAL_SCREEN PhysicalEnvironment public PhysicalEnvironment(int sensorCount)(Code) Constructs and initializes a PhysicalEnvironment object with the specified number of sensors. Parameters:   sensorCount - the number of sensors to create. Method Detail addInputDevice public void addInputDevice(InputDevice device)(Code) Add an input device to the list of input devices. User is responsible for initializing the device and setting the processing mode (streaming or polling). Parameters:   device - the device to be added to the list of input devices exception:   IllegalArgumentException - if InputDevice.getProcessingMode()does not return one of BLOCKING, NON_BLOCKING, or DEMAND_DRIVEN. addUser synchronized void addUser(View view)(Code) getAllInputDevices public Enumeration getAllInputDevices()(Code) Create an enumerator that produces all input devices. an enumerator of all available devices getAudioDevice public AudioDevice getAudioDevice()(Code) Gets the audioDevice for this PhysicalEnvironment. audio device object associated with this PhysicalEnvironment getCoexistenceCenterInPworldPolicy public int getCoexistenceCenterInPworldPolicy()(Code) Returns the current coexistence center in physical world policy. one of: View.NOMINAL_SCREEN, View.NOMINAL_HEAD, orView.NOMINAL_FEET getCoexistenceToTrackerBase public void getCoexistenceToTrackerBase(Transform3D t)(Code) 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 getDominantHandIndex public int getDominantHandIndex()(Code) Gets the sensor index of the dominant hand. the sensor index of the dominant hand getHeadIndex public int getHeadIndex()(Code) Gets the sensor index of the head. the sensor index of the head getLeftHandIndex public int getLeftHandIndex()(Code) Gets the sensor index of the left hand. the sensor index of the left hand getNonDominantHandIndex public int getNonDominantHandIndex()(Code) Gets the sensor index of the non-dominant hand. the sensor index of the non dominant hand getRightHandIndex public int getRightHandIndex()(Code) Gets the sensor index of the right hand. the sensor index of the right hand getSensor public Sensor getSensor(int index)(Code) Gets the sensor specified by the index; sensors are indexed starting at 0. Parameters:   index - the sensor's index getSensorCount public int getSensorCount()(Code) Get the current sensor count. the number of sensor objects per PhysicalEnvironment object getSensorList Sensor[] getSensorList()(Code) Returns copy of Sensor references. Returns null for zero sensors, so user of method must check for null. Also, any of these sensors could be null. getTrackingAvailable public boolean getTrackingAvailable()(Code) Returns a status flag indicating whether or not tracking is available. a flag telling whether tracking is available notifyUsers synchronized void notifyUsers()(Code) removeInputDevice public void removeInputDevice(InputDevice device)(Code) Remove an input device from the list of input devices. User is responsible for closing out the device and releasing the device resources. Parameters:   device - the device to be removed removeUser synchronized void removeUser(View view)(Code) setAudioDevice public void setAudioDevice(AudioDevice device)(Code) Sets the specified AudioDevice object as the device through which audio rendering for this PhysicalEnvironment will be performed. Parameters:   device - audio device object to be associated with this PhysicalEnvironment setCoexistenceCenterInPworldPolicy public void setCoexistenceCenterInPworldPolicy(int policy)(Code) 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, one of View.NOMINAL_SCREEN, View.NOMINAL_HEAD, or View.NOMINAL_FEET. The default policy is View.NOMINAL_SCREEN. Parameters:   policy - the new policy setCoexistenceToTrackerBase public void setCoexistenceToTrackerBase(Transform3D t)(Code) 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 exception:   BadTransformException - if the transform is not rigid setDominantHandIndex public void setDominantHandIndex(int index)(Code) Sets the index of the dominant hand to the specified sensor index. Parameters:   index - the new sensor index of the dominant hand setHeadIndex public void setHeadIndex(int index)(Code) Sets the index of the head to the specified sensor index. Parameters:   index - the new sensor index of the head setLeftHandIndex public void setLeftHandIndex(int index)(Code) Sets the index of the left hand to the specified sensor index. Parameters:   index - the new sensor index of the left hand setNonDominantHandIndex public void setNonDominantHandIndex(int index)(Code) Sets the index of the non-dominant hand to the specified sensor index. Parameters:   index - the new sensor index of the non dominant hand setRightHandIndex public void setRightHandIndex(int index)(Code) Sets the index of the right hand to the specified sensor index. Parameters:   index - the new sensor index of the right hand setSensor public void setSensor(int index, Sensor sensor)(Code) Set the sensor specified by the index to sensor provided; sensors are indexed starting at 0. All sensors must be registered via this method. Parameters:   index - the sensor's index Parameters:   sensor - the new sensor setSensorCount public void setSensorCount(int count)(Code) Set the number of sensor objects per PhysicalEnvironmnet. This is a calibration parameter that should be set before setting any sensors in the PhysicalEnvironment object. This call associates 'count' Sensors with this object, and they are indexed from 0 to count-1. Parameters:   count - the new sensor count Methods inherited from java.lang.Object native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object obj)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)