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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN""http://www.w3.org/TR/REC-html40/loose.dtd"><!--NewPage--><HTML><HEAD><!-- Generated by javadoc on Sun Jun 23 01:50:33 PDT 2002 --><TITLE>PhysicalEnvironment (Java 3D API)</TITLE><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../stylesheet.css" TITLE="Style"></HEAD><SCRIPT>function asd(){parent.document.title="PhysicalEnvironment (Java 3D API)";}</SCRIPT><BODY BGCOLOR="white" onload="asd();"><!-- ========== START OF NAVBAR ========== --><A NAME="navbar_top"><!-- --></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0"><TR><TD COLSPAN=3 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_top_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3"> <TR ALIGN="center" VALIGN="top"> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../javax/media/j3d/PhysicalBody.html"><B>PREV CLASS</B></A> <A HREF="../../../javax/media/j3d/PickBounds.html"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../index.html" TARGET="_top"><B>FRAMES</B></A> <A HREF="PhysicalEnvironment.html" TARGET="_top"><B>NO FRAMES</B></A> <SCRIPT> <!-- if(window==top) { document.writeln('<A HREF="../../../allclasses-noframe.html" TARGET=""><B>All Classes</B></A>'); } //--></SCRIPT><NOSCRIPT><A HREF="../../../allclasses-noframe.html" TARGET=""><B>All Classes</B></A></NOSCRIPT></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: NESTED | FIELD | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: FIELD | <A HREF="#constructor_detail">CONSTR</A> | <A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><!-- =========== END OF NAVBAR =========== --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">javax.media.j3d</FONT><BR>Class PhysicalEnvironment</H2><PRE>java.lang.Object | +--<B>javax.media.j3d.PhysicalEnvironment</B></PRE><HR><DL><DT>public class <B>PhysicalEnvironment</B><DT>extends java.lang.Object</DL><P>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.<P><P><DL><DT><B>See Also:</B><DD><A HREF="../../../javax/media/j3d/View.html"><CODE>View</CODE></A></DL><HR><P><!-- ======== NESTED CLASS SUMMARY ======== --><!-- =========== FIELD SUMMARY =========== --><!-- ======== CONSTRUCTOR SUMMARY ======== --><A NAME="constructor_summary"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Constructor Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../../javax/media/j3d/PhysicalEnvironment.html#PhysicalEnvironment()">PhysicalEnvironment</A></B>()</CODE><BR> Constructs a PhysicalEnvironment object with default parameters.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../../javax/media/j3d/PhysicalEnvironment.html#PhysicalEnvironment(int)">PhysicalEnvironment</A></B>(int sensorCount)</CODE><BR> Constructs and initializes a PhysicalEnvironment object with the specified number of sensors.</TD></TR></TABLE> <!-- ========== METHOD SUMMARY =========== --><A NAME="method_summary"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Method Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/media/j3d/PhysicalEnvironment.html#addInputDevice(javax.media.j3d.InputDevice)">addInputDevice</A></B>(<A HREF="../../../javax/media/j3d/InputDevice.html">InputDevice</A> device)</CODE><BR> Add an input device to the list of input devices.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.util.Enumeration</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/media/j3d/PhysicalEnvironment.html#getAllInputDevices()">getAllInputDevices</A></B>()</CODE><BR> Create an enumerator that produces all input devices.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../javax/media/j3d/AudioDevice.html">AudioDevice</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/media/j3d/PhysicalEnvironment.html#getAudioDevice()">getAudioDevice</A></B>()</CODE><BR> Gets the audioDevice for this PhysicalEnvironment.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> int</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/media/j3d/PhysicalEnvironment.html#getCoexistenceCenterInPworldPolicy()">getCoexistenceCenterInPworldPolicy</A></B>()</CODE><BR> Returns the current coexistence center in physical world policy.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/media/j3d/PhysicalEnvironment.html#getCoexistenceToTrackerBase(javax.media.j3d.Transform3D)">getCoexistenceToTrackerBase</A></B>(<A HREF="../../../javax/media/j3d/Transform3D.html">Transform3D</A> t)</CODE><BR> Retrieves the coexistence coordinate system to tracker-base coordinate system transform and copies it into the specified Transform3D object.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> int</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/media/j3d/PhysicalEnvironment.html#getDominantHandIndex()">getDominantHandIndex</A></B>()</CODE><BR> Gets the sensor index of the dominant hand.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> int</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/media/j3d/PhysicalEnvironment.html#getHeadIndex()">getHeadIndex</A></B>()</CODE><BR> Gets the sensor index of the head.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> int</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/media/j3d/PhysicalEnvironment.html#getLeftHandIndex()">getLeftHandIndex</A></B>()</CODE><BR> Gets the sensor index of the left hand.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> int</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/media/j3d/PhysicalEnvironment.html#getNonDominantHandIndex()">getNonDominantHandIndex</A></B>()</CODE><BR> Gets the sensor index of the non-dominant hand.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> int</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/media/j3d/PhysicalEnvironment.html#getRightHandIndex()">getRightHandIndex</A></B>()</CODE><BR> Gets the sensor index of the right hand.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../javax/media/j3d/Sensor.html">Sensor</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/media/j3d/PhysicalEnvironment.html#getSensor(int)">getSensor</A></B>(int index)</CODE><BR> Gets the sensor specified by the index; sensors are indexed starting at 0.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> int</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/media/j3d/PhysicalEnvironment.html#getSensorCount()">getSensorCount</A></B>()</CODE><BR> Get the current sensor count.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/media/j3d/PhysicalEnvironment.html#getTrackingAvailable()">getTrackingAvailable</A></B>()</CODE><BR> Returns a status flag indicating whether or not tracking is available.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/media/j3d/PhysicalEnvironment.html#removeInputDevice(javax.media.j3d.InputDevice)">removeInputDevice</A></B>(<A HREF="../../../javax/media/j3d/InputDevice.html">InputDevice</A> device)</CODE><BR> Remove an input device from the list of input devices.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/media/j3d/PhysicalEnvironment.html#setAudioDevice(javax.media.j3d.AudioDevice)">setAudioDevice</A></B>(<A HREF="../../../javax/media/j3d/AudioDevice.html">AudioDevice</A> device)</CODE><BR> Sets the specified AudioDevice object as the device through which audio rendering for this PhysicalEnvironment will be performed.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/media/j3d/PhysicalEnvironment.html#setCoexistenceCenterInPworldPolicy(int)">setCoexistenceCenterInPworldPolicy</A></B>(int policy)</CODE><BR> Sets the coexistence center in physical world policy.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/media/j3d/PhysicalEnvironment.html#setCoexistenceToTrackerBase(javax.media.j3d.Transform3D)">setCoexistenceToTrackerBase</A></B>(<A HREF="../../../javax/media/j3d/Transform3D.html">Transform3D</A> t)</CODE><BR> Sets the coexistence coordinate system to tracker-base coordinate system transform.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/media/j3d/PhysicalEnvironment.html#setDominantHandIndex(int)">setDominantHandIndex</A></B>(int index)</CODE><BR> Sets the index of the dominant hand to the specified sensor index.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/media/j3d/PhysicalEnvironment.html#setHeadIndex(int)">setHeadIndex</A></B>(int index)</CODE><BR> Sets the index of the head to the specified sensor index.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/media/j3d/PhysicalEnvironment.html#setLeftHandIndex(int)">setLeftHandIndex</A></B>(int index)</CODE><BR> Sets the index of the left hand to the specified sensor index.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/media/j3d/PhysicalEnvironment.html#setNonDominantHandIndex(int)">setNonDominantHandIndex</A></B>(int index)</CODE><BR> Sets the index of the non-dominant hand to the specified sensor index.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/media/j3d/PhysicalEnvironment.html#setRightHandIndex(int)">setRightHandIndex</A></B>(int index)</CODE><BR> Sets the index of the right hand to the specified sensor index.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/media/j3d/PhysicalEnvironment.html#setSensor(int, javax.media.j3d.Sensor)">setSensor</A></B>(int index, <A HREF="../../../javax/media/j3d/Sensor.html">Sensor</A> sensor)</CODE><BR> Set the sensor specified by the index to sensor provided; sensors are indexed starting at 0.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/media/j3d/PhysicalEnvironment.html#setSensorCount(int)">setSensorCount</A></B>(int count)</CODE><BR> Set the number of sensor objects per PhysicalEnvironmnet.</TD></TR></TABLE> <A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TD><B>Methods inherited from class java.lang.Object</B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</CODE></TD></TR></TABLE> <P><!-- ============ FIELD DETAIL =========== --><!-- ========= CONSTRUCTOR DETAIL ======== --><A NAME="constructor_detail"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=1><FONT SIZE="+2"><B>Constructor Detail</B></FONT></TD></TR></TABLE><A NAME="PhysicalEnvironment()"><!-- --></A><H3>PhysicalEnvironment</H3><PRE>public <B>PhysicalEnvironment</B>()</PRE><DL><DD>Constructs a PhysicalEnvironment object with default parameters. The default values are as follows: <ul> sensor count : 3<br> sensors : null (for all array elements)<br> head index : 0<br> right hand index : 1<br> left hand index : 2<br> dominant hand index : 1<br> nondominant hand index : 2<br> tracking available : false<br> audio device : null<br> input device list : empty<br> coexistence to tracker base transform : identity<br> coexistence center in pworld policy : View.NOMINAL_SCREEN<br> </ul><P></DL><HR><A NAME="PhysicalEnvironment(int)"><!-- --></A><H3>PhysicalEnvironment</H3><PRE>public <B>PhysicalEnvironment</B>(int sensorCount)</PRE><DL><DD>Constructs and initializes a PhysicalEnvironment object with the specified number of sensors.<P><DT><B>Parameters:</B><DD><CODE>sensorCount</CODE> - the number of sensors to create.</DL><!-- ============ METHOD DETAIL ========== --><A NAME="method_detail"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=1><FONT SIZE="+2"><B>Method Detail</B></FONT></TD></TR></TABLE><A NAME="setAudioDevice(javax.media.j3d.AudioDevice)"><!-- --></A><H3>setAudioDevice</H3>⌨️ 快捷键说明
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