physicalenvironment.html

JAVA多媒体开发类库说明

</DD>
</DL>
<HR>

<A NAME="getLeftHandIndex()"><!-- --></A><H3>
getLeftHandIndex</H3>
<PRE>
public int <B>getLeftHandIndex</B>()</PRE>
<DL>
<DD>Gets the sensor index of the left hand.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>the sensor index of the left hand</DL>
</DD>
</DL>
<HR>

<A NAME="setDominantHandIndex(int)"><!-- --></A><H3>
setDominantHandIndex</H3>
<PRE>
public void <B>setDominantHandIndex</B>(int&nbsp;index)</PRE>
<DL>
<DD>Sets the index of the dominant hand to the specified sensor index.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>index</CODE> - the new sensor index of the dominant hand</DL>
</DD>
</DL>
<HR>

<A NAME="getDominantHandIndex()"><!-- --></A><H3>
getDominantHandIndex</H3>
<PRE>
public int <B>getDominantHandIndex</B>()</PRE>
<DL>
<DD>Gets the sensor index of the dominant hand.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>the sensor index of the dominant hand</DL>
</DD>
</DL>
<HR>

<A NAME="setNonDominantHandIndex(int)"><!-- --></A><H3>
setNonDominantHandIndex</H3>
<PRE>
public void <B>setNonDominantHandIndex</B>(int&nbsp;index)</PRE>
<DL>
<DD>Sets the index of the non-dominant hand to the specified sensor index.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>index</CODE> - the new sensor index of the non dominant hand</DL>
</DD>
</DL>
<HR>

<A NAME="getNonDominantHandIndex()"><!-- --></A><H3>
getNonDominantHandIndex</H3>
<PRE>
public int <B>getNonDominantHandIndex</B>()</PRE>
<DL>
<DD>Gets the sensor index of the non-dominant hand.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>the sensor index of the non dominant hand</DL>
</DD>
</DL>
<HR>

<A NAME="setSensor(int, javax.media.j3d.Sensor)"><!-- --></A><H3>
setSensor</H3>
<PRE>
public void <B>setSensor</B>(int&nbsp;index,
                      <A HREF="../../../javax/media/j3d/Sensor.html" title="class in javax.media.j3d">Sensor</A>&nbsp;sensor)</PRE>
<DL>
<DD>Set the sensor specified by the index to sensor provided; sensors are
 indexed starting at 0.  All sensors must be registered via this 
 method.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>index</CODE> - the sensor's index<DD><CODE>sensor</CODE> - the new sensor</DL>
</DD>
</DL>
<HR>

<A NAME="getSensor(int)"><!-- --></A><H3>
getSensor</H3>
<PRE>
public <A HREF="../../../javax/media/j3d/Sensor.html" title="class in javax.media.j3d">Sensor</A> <B>getSensor</B>(int&nbsp;index)</PRE>
<DL>
<DD>Gets the sensor specified by the index; sensors are indexed starting
 at 0.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>index</CODE> - the sensor's index</DL>
</DD>
</DL>
<HR>

<A NAME="setCoexistenceToTrackerBase(javax.media.j3d.Transform3D)"><!-- --></A><H3>
setCoexistenceToTrackerBase</H3>
<PRE>
public void <B>setCoexistenceToTrackerBase</B>(<A HREF="../../../javax/media/j3d/Transform3D.html" title="class in javax.media.j3d">Transform3D</A>&nbsp;t)</PRE>
<DL>
<DD>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.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>t</CODE> - the new transform
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../javax/media/j3d/BadTransformException.html" title="class in javax.media.j3d">BadTransformException</A></CODE> - if the transform is not rigid</DL>
</DD>
</DL>
<HR>

<A NAME="getCoexistenceToTrackerBase(javax.media.j3d.Transform3D)"><!-- --></A><H3>
getCoexistenceToTrackerBase</H3>
<PRE>
public void <B>getCoexistenceToTrackerBase</B>(<A HREF="../../../javax/media/j3d/Transform3D.html" title="class in javax.media.j3d">Transform3D</A>&nbsp;t)</PRE>
<DL>
<DD>Retrieves the coexistence coordinate system to tracker-base
 coordinate system transform and copies it into the specified
 Transform3D object.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>t</CODE> - the object that will receive the transform</DL>
</DD>
</DL>
<HR>

<A NAME="getTrackingAvailable()"><!-- --></A><H3>
getTrackingAvailable</H3>
<PRE>
public boolean <B>getTrackingAvailable</B>()</PRE>
<DL>
<DD>Returns a status flag indicating whether or not tracking
 is available.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>a flag telling whether tracking is available</DL>
</DD>
</DL>
<HR>

<A NAME="setCoexistenceCenterInPworldPolicy(int)"><!-- --></A><H3>
setCoexistenceCenterInPworldPolicy</H3>
<PRE>
public void <B>setCoexistenceCenterInPworldPolicy</B>(int&nbsp;policy)</PRE>
<DL>
<DD>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.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>policy</CODE> - the new policy</DL>
</DD>
</DL>
<HR>

<A NAME="getCoexistenceCenterInPworldPolicy()"><!-- --></A><H3>
getCoexistenceCenterInPworldPolicy</H3>
<PRE>
public int <B>getCoexistenceCenterInPworldPolicy</B>()</PRE>
<DL>
<DD>Returns the current coexistence center in physical world policy.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>one of: View.NOMINAL_SCREEN, View.NOMINAL_HEAD, or
 View.NOMINAL_FEET</DL>
</DD>
</DL>
<HR>

<A NAME="getSensorCount()"><!-- --></A><H3>
getSensorCount</H3>
<PRE>
public int <B>getSensorCount</B>()</PRE>
<DL>
<DD>Get the current sensor count.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>the number of sensor objects per PhysicalEnvironment object</DL>
</DD>
</DL>
<HR>

<A NAME="setSensorCount(int)"><!-- --></A><H3>
setSensorCount</H3>
<PRE>
public void <B>setSensorCount</B>(int&nbsp;count)</PRE>
<DL>
<DD>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.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>count</CODE> - the new sensor  count</DL>
</DD>
</DL>
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