pickinfo.html

JAVA多媒体开发类库说明

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<A NAME="PICK_BOUNDS"><!-- --></A><H3>
PICK_BOUNDS</H3>
<PRE>
public static final int <B>PICK_BOUNDS</B></PRE>
<DL>
<DD>Specifies a Pick using the bounds of the pickable nodes.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#javax.media.j3d.PickInfo.PICK_BOUNDS">Constant Field Values</A></DL>
</DL>
<HR>

<A NAME="PICK_GEOMETRY"><!-- --></A><H3>
PICK_GEOMETRY</H3>
<PRE>
public static final int <B>PICK_GEOMETRY</B></PRE>
<DL>
<DD>Specifies a Pick using the geometry of the pickable nodes.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#javax.media.j3d.PickInfo.PICK_GEOMETRY">Constant Field Values</A></DL>
</DL>
<HR>

<A NAME="SCENEGRAPHPATH"><!-- --></A><H3>
SCENEGRAPHPATH</H3>
<PRE>
public static final int <B>SCENEGRAPHPATH</B></PRE>
<DL>
<DD>Specifies that this PickInfo returns the computed SceneGraphPath object.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#javax.media.j3d.PickInfo.SCENEGRAPHPATH">Constant Field Values</A></DL>
</DL>
<HR>

<A NAME="NODE"><!-- --></A><H3>
NODE</H3>
<PRE>
public static final int <B>NODE</B></PRE>
<DL>
<DD>Specifies that this PickInfo returns the computed intersected Node object.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#javax.media.j3d.PickInfo.NODE">Constant Field Values</A></DL>
</DL>
<HR>

<A NAME="LOCAL_TO_VWORLD"><!-- --></A><H3>
LOCAL_TO_VWORLD</H3>
<PRE>
public static final int <B>LOCAL_TO_VWORLD</B></PRE>
<DL>
<DD>Specifies that this PickInfo returns the computed local to vworld transform.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#javax.media.j3d.PickInfo.LOCAL_TO_VWORLD">Constant Field Values</A></DL>
</DL>
<HR>

<A NAME="CLOSEST_INTERSECTION_POINT"><!-- --></A><H3>
CLOSEST_INTERSECTION_POINT</H3>
<PRE>
public static final int <B>CLOSEST_INTERSECTION_POINT</B></PRE>
<DL>
<DD>Specifies that this PickInfo returns the closest intersection point.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#javax.media.j3d.PickInfo.CLOSEST_INTERSECTION_POINT">Constant Field Values</A></DL>
</DL>
<HR>

<A NAME="CLOSEST_DISTANCE"><!-- --></A><H3>
CLOSEST_DISTANCE</H3>
<PRE>
public static final int <B>CLOSEST_DISTANCE</B></PRE>
<DL>
<DD>Specifies that this PickInfo returns the closest intersection distance.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#javax.media.j3d.PickInfo.CLOSEST_DISTANCE">Constant Field Values</A></DL>
</DL>
<HR>

<A NAME="CLOSEST_GEOM_INFO"><!-- --></A><H3>
CLOSEST_GEOM_INFO</H3>
<PRE>
public static final int <B>CLOSEST_GEOM_INFO</B></PRE>
<DL>
<DD>Specifies that this PickInfo returns only the closest intersection 
 geometry information.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#javax.media.j3d.PickInfo.CLOSEST_GEOM_INFO">Constant Field Values</A></DL>
</DL>
<HR>

<A NAME="ALL_GEOM_INFO"><!-- --></A><H3>
ALL_GEOM_INFO</H3>
<PRE>
public static final int <B>ALL_GEOM_INFO</B></PRE>
<DL>
<DD>Specifies that this PickInfo returns all the closest intersection 
 geometry informations.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#javax.media.j3d.PickInfo.ALL_GEOM_INFO">Constant Field Values</A></DL>
</DL>

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<A NAME="getSceneGraphPath()"><!-- --></A><H3>
getSceneGraphPath</H3>
<PRE>
public <A HREF="../../../javax/media/j3d/SceneGraphPath.html" title="class in javax.media.j3d">SceneGraphPath</A> <B>getSceneGraphPath</B>()</PRE>
<DL>
<DD>Retrieves the reference to the SceneGraphPath in this PickInfo object.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>the SceneGraphPath object, or null if  flag is not set with SCENEGRAPHPATH.<DT><B>See Also:</B><DD><A HREF="../../../javax/media/j3d/Locale.html" title="class in javax.media.j3d"><CODE>Locale</CODE></A>, 
<A HREF="../../../javax/media/j3d/BranchGroup.html" title="class in javax.media.j3d"><CODE>BranchGroup</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="getNode()"><!-- --></A><H3>
getNode</H3>
<PRE>
public <A HREF="../../../javax/media/j3d/Node.html" title="class in javax.media.j3d">Node</A> <B>getNode</B>()</PRE>
<DL>
<DD>Retrieves the reference to the picked node, either a Shape3D or a Morph, in this PickInfo object.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>the picked leaf node object, or null if  flag is not set with NODE.<DT><B>See Also:</B><DD><A HREF="../../../javax/media/j3d/Locale.html" title="class in javax.media.j3d"><CODE>Locale</CODE></A>, 
<A HREF="../../../javax/media/j3d/BranchGroup.html" title="class in javax.media.j3d"><CODE>BranchGroup</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="getLocalToVWorld()"><!-- --></A><H3>
getLocalToVWorld</H3>
<PRE>
public <A HREF="../../../javax/media/j3d/Transform3D.html" title="class in javax.media.j3d">Transform3D</A> <B>getLocalToVWorld</B>()</PRE>
<DL>
<DD>Retrieves the reference to the LocalToVworld transform of the picked node in this PickInfo object.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>the local to vworld transform, or null if  flag is not set with LOCAL_TO_VWORLD.<DT><B>See Also:</B><DD><A HREF="../../../javax/media/j3d/Locale.html" title="class in javax.media.j3d"><CODE>Locale</CODE></A>, 
<A HREF="../../../javax/media/j3d/BranchGroup.html" title="class in javax.media.j3d"><CODE>BranchGroup</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="getClosestIntersectionPoint()"><!-- --></A><H3>
getClosestIntersectionPoint</H3>
<PRE>
public <A HREF="../../../javax/vecmath/Point3d.html" title="class in javax.vecmath">Point3d</A> <B>getClosestIntersectionPoint</B>()</PRE>
<DL>
<DD>Retrieves the reference to the closest intersection point in this PickInfo object.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>the closest intersection point, or null if  flag is not set with CLOSEST_INTERSECTION_POINT.<DT><B>See Also:</B><DD><A HREF="../../../javax/media/j3d/Locale.html" title="class in javax.media.j3d"><CODE>Locale</CODE></A>, 
<A HREF="../../../javax/media/j3d/BranchGroup.html" title="class in javax.media.j3d"><CODE>BranchGroup</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="getClosestDistance()"><!-- --></A><H3>
getClosestDistance</H3>
<PRE>
public double <B>getClosestDistance</B>()</PRE>
<DL>
<DD>Retrieves the distance between the start point of the pickShape and the closest intersection point.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>the closest distance in double, or NaN if  flag is not set with CLOSEST_INTERSECTION_POINT.
 Note : If this PickInfo object is returned by either pickClosest or pickAllSorted method, the return
 value is the closest distance in double even if flag is not set with CLOSET_INTERSECTION_POINT.<DT><B>See Also:</B><DD><A HREF="../../../javax/media/j3d/Locale.html" title="class in javax.media.j3d"><CODE>Locale</CODE></A>, 
<A HREF="../../../javax/media/j3d/BranchGroup.html" title="class in javax.media.j3d"><CODE>BranchGroup</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="getIntersectionInfos()"><!-- --></A><H3>
getIntersectionInfos</H3>
<PRE>
public <A HREF="../../../javax/media/j3d/PickInfo.IntersectionInfo.html" title="class in javax.media.j3d">PickInfo.IntersectionInfo</A>[] <B>getIntersectionInfos</B>()</PRE>
<DL>
<DD>Retrieves the reference to the array of intersection results in this PickInfo object.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>an array of 1 IntersectionInfo object if flag is to set  CLOSEST_GEOM_INFO,
 or an array of <i>N</i> IntersectionInfo objects containing all intersections of 
 the picked node in sorted order if flag is to set ALL_GEOM_INFO, or null if neither 
 bit is set.<DT><B>See Also:</B><DD><A HREF="../../../javax/media/j3d/Locale.html" title="class in javax.media.j3d"><CODE>Locale</CODE></A>, 
<A HREF="../../../javax/media/j3d/BranchGroup.html" title="class in javax.media.j3d"><CODE>BranchGroup</CODE></A></DL>
</DD>
</DL>
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