screen3d.html

JAVA多媒体开发类库说明

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<B>Method Detail</B></FONT></TH>
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<A NAME="getSize()"><!-- --></A><H3>
getSize</H3>
<PRE>
public java.awt.Dimension <B>getSize</B>()</PRE>
<DL>
<DD>Retrieves the width and height (in pixels) of this Screen3D.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>a new Dimension object containing the width and height
 of this Screen3D.</DL>
</DD>
</DL>
<HR>

<A NAME="getSize(java.awt.Dimension)"><!-- --></A><H3>
getSize</H3>
<PRE>
public java.awt.Dimension <B>getSize</B>(java.awt.Dimension&nbsp;rv)</PRE>
<DL>
<DD>Retrieves the width and height (in pixels) of this Screen3D
 and copies it into the specified Dimension object.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>rv</CODE> - Dimension object into which the size of
 this Screen3D is copied.
 If <code>rv</code> is null, a new Dimension object is allocated.
<DT><B>Returns:</B><DD><code>rv</code><DT><B>Since:</B></DT>
  <DD>Java 3D 1.2</DD>
</DL>
</DD>
</DL>
<HR>

<A NAME="setSize(int, int)"><!-- --></A><H3>
setSize</H3>
<PRE>
public void <B>setSize</B>(int&nbsp;width,
                    int&nbsp;height)</PRE>
<DL>
<DD>Sets the width and height (in pixels) of this off-screen Screen3D.
 The default size for off-screen Screen3D objects is (0,0).
 <br>
 NOTE: the size must be
 set prior to rendering to the associated off-screen canvas.
 Failure to do so will result in an exception.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>width</CODE> - the new width of this Screen3D object<DD><CODE>height</CODE> - the new height of this Screen3D object
<DT><B>Throws:</B>
<DD><CODE>java.lang.IllegalStateException</CODE> - if this Screen3D is not in
 off-screen mode.<DT><B>Since:</B></DT>
  <DD>Java 3D 1.2</DD>
</DL>
</DD>
</DL>
<HR>

<A NAME="setSize(java.awt.Dimension)"><!-- --></A><H3>
setSize</H3>
<PRE>
public void <B>setSize</B>(java.awt.Dimension&nbsp;d)</PRE>
<DL>
<DD>Sets the width and height (in pixels) of this off-screen Screen3D.
 The default size for off-screen Screen3D objects is (0,0).
 <br>
 NOTE: the size must be
 set prior to rendering to the associated off-screen canvas.
 Failure to do so will result in an exception.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>d</CODE> - the new dimension of this Screen3D object
<DT><B>Throws:</B>
<DD><CODE>java.lang.IllegalStateException</CODE> - if this Screen3D is not in
 off-screen mode.<DT><B>Since:</B></DT>
  <DD>Java 3D 1.2</DD>
</DL>
</DD>
</DL>
<HR>

<A NAME="setPhysicalScreenWidth(double)"><!-- --></A><H3>
setPhysicalScreenWidth</H3>
<PRE>
public void <B>setPhysicalScreenWidth</B>(double&nbsp;width)</PRE>
<DL>
<DD>Sets the screen physical width in meters.  In the case of a
 head-mounted display, this should be the apparent width
 at the focal plane.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>width</CODE> - the screen's physical width in meters</DL>
</DD>
</DL>
<HR>

<A NAME="getPhysicalScreenWidth()"><!-- --></A><H3>
getPhysicalScreenWidth</H3>
<PRE>
public double <B>getPhysicalScreenWidth</B>()</PRE>
<DL>
<DD>Retrieves the screen's physical width in meters.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>the screen's physical width in meters</DL>
</DD>
</DL>
<HR>

<A NAME="setPhysicalScreenHeight(double)"><!-- --></A><H3>
setPhysicalScreenHeight</H3>
<PRE>
public void <B>setPhysicalScreenHeight</B>(double&nbsp;height)</PRE>
<DL>
<DD>Sets the screen physical height in meters.  In the case of a
 head-mounted display, this should be the apparent height
 at the focal plane.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>height</CODE> - the screen's physical height in meters</DL>
</DD>
</DL>
<HR>

<A NAME="getPhysicalScreenHeight()"><!-- --></A><H3>
getPhysicalScreenHeight</H3>
<PRE>
public double <B>getPhysicalScreenHeight</B>()</PRE>
<DL>
<DD>Retrieves the the screen's physical height in meters.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>the screen's physical height in meters</DL>
</DD>
</DL>
<HR>

<A NAME="toString()"><!-- --></A><H3>
toString</H3>
<PRE>
public java.lang.String <B>toString</B>()</PRE>
<DL>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE>toString</CODE> in class <CODE>java.lang.Object</CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="setTrackerBaseToImagePlate(javax.media.j3d.Transform3D)"><!-- --></A><H3>
setTrackerBaseToImagePlate</H3>
<PRE>
public void <B>setTrackerBaseToImagePlate</B>(<A HREF="../../../javax/media/j3d/Transform3D.html" title="class in javax.media.j3d">Transform3D</A>&nbsp;t)</PRE>
<DL>
<DD>Sets the tracker-base coordinate system to image-plate coordinate
 system transform.  This transform
 is typically a calibration constant.
 This is used only in SCREEN_VIEW mode.
<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="getTrackerBaseToImagePlate(javax.media.j3d.Transform3D)"><!-- --></A><H3>
getTrackerBaseToImagePlate</H3>
<PRE>
public void <B>getTrackerBaseToImagePlate</B>(<A HREF="../../../javax/media/j3d/Transform3D.html" title="class in javax.media.j3d">Transform3D</A>&nbsp;t)</PRE>
<DL>
<DD>Retrieves the tracker-base coordinate system to image-plate
 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="setHeadTrackerToLeftImagePlate(javax.media.j3d.Transform3D)"><!-- --></A><H3>
setHeadTrackerToLeftImagePlate</H3>
<PRE>
public void <B>setHeadTrackerToLeftImagePlate</B>(<A HREF="../../../javax/media/j3d/Transform3D.html" title="class in javax.media.j3d">Transform3D</A>&nbsp;t)</PRE>
<DL>
<DD>Sets the head-tracker coordinate system to left image-plate coordinate
 system transform.  This transform
 is typically a calibration constant.
 This is used only in HMD_VIEW mode.
<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="getHeadTrackerToLeftImagePlate(javax.media.j3d.Transform3D)"><!-- --></A><H3>
getHeadTrackerToLeftImagePlate</H3>
<PRE>
public void <B>getHeadTrackerToLeftImagePlate</B>(<A HREF="../../../javax/media/j3d/Transform3D.html" title="class in javax.media.j3d">Transform3D</A>&nbsp;t)</PRE>
<DL>
<DD>Retrieves the head-tracker coordinate system to left image-plate
 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="setHeadTrackerToRightImagePlate(javax.media.j3d.Transform3D)"><!-- --></A><H3>
setHeadTrackerToRightImagePlate</H3>
<PRE>
public void <B>setHeadTrackerToRightImagePlate</B>(<A HREF="../../../javax/media/j3d/Transform3D.html" title="class in javax.media.j3d">Transform3D</A>&nbsp;t)</PRE>
<DL>
<DD>Sets the head-tracker coordinate system to right image-plate coordinate
 system transform.  This transform
 is typically a calibration constant.
 This is used only in HMD_VIEW mode.
<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="getHeadTrackerToRightImagePlate(javax.media.j3d.Transform3D)"><!-- --></A><H3>
getHeadTrackerToRightImagePlate</H3>
<PRE>
public void <B>getHeadTrackerToRightImagePlate</B>(<A HREF="../../../javax/media/j3d/Transform3D.html" title="class in javax.media.j3d">Transform3D</A>&nbsp;t)</PRE>
<DL>
<DD>Retrieves the head-tracker coordinate system to right image-plate
 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>
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