fog.html

java 3d帮助文档

<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../javax/media/j3d/CapabilityNotSetException.html">CapabilityNotSetException</A></CODE> - if appropriate capability is
 not set and this object is part of live or compiled scene graph</DL>
</DD>
</DL>
<HR>

<A NAME="getInfluencingBoundingLeaf()"><!-- --></A><H3>
getInfluencingBoundingLeaf</H3>
<PRE>
public <A HREF="../../../javax/media/j3d/BoundingLeaf.html">BoundingLeaf</A> <B>getInfluencingBoundingLeaf</B>()</PRE>
<DL>
<DD>Retrieves the Fog node's influencing bounding leaf.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>this Fog's influencing bounding leaf information
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../javax/media/j3d/CapabilityNotSetException.html">CapabilityNotSetException</A></CODE> - if appropriate capability is
 not set and this object is part of live or compiled scene graph</DL>
</DD>
</DL>
<HR>

<A NAME="setScope(javax.media.j3d.Group, int)"><!-- --></A><H3>
setScope</H3>
<PRE>
public void <B>setScope</B>(<A HREF="../../../javax/media/j3d/Group.html">Group</A>&nbsp;scope,
                     int&nbsp;index)</PRE>
<DL>
<DD>Replaces the node at the specified index in this Fog node's
 list of scopes with the specified Group node.
 By default, Fog nodes are scoped only by their influencing
 bounds.  This allows them to be further scoped by a list of
 nodes in the hierarchy.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>scope</CODE> - the Group node to be stored at the specified index.<DD><CODE>index</CODE> - the index of the Group node to be replaced.
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../javax/media/j3d/CapabilityNotSetException.html">CapabilityNotSetException</A></CODE> - if appropriate capability is
 not set and this object is part of live or compiled scene graph
<DD><CODE><A HREF="../../../javax/media/j3d/RestrictedAccessException.html">RestrictedAccessException</A></CODE> - if the specified group node
 is part of a compiled scene graph</DL>
</DD>
</DL>
<HR>

<A NAME="getScope(int)"><!-- --></A><H3>
getScope</H3>
<PRE>
public <A HREF="../../../javax/media/j3d/Group.html">Group</A> <B>getScope</B>(int&nbsp;index)</PRE>
<DL>
<DD>Retrieves the Group node at the specified index from this Fog node's
 list of scopes.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>index</CODE> - the index of the Group node to be returned.
<DT><B>Returns:</B><DD>the Group node at the specified index.
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../javax/media/j3d/CapabilityNotSetException.html">CapabilityNotSetException</A></CODE> - if appropriate capability is
 not set and this object is part of live or compiled scene graph</DL>
</DD>
</DL>
<HR>

<A NAME="insertScope(javax.media.j3d.Group, int)"><!-- --></A><H3>
insertScope</H3>
<PRE>
public void <B>insertScope</B>(<A HREF="../../../javax/media/j3d/Group.html">Group</A>&nbsp;scope,
                        int&nbsp;index)</PRE>
<DL>
<DD>Inserts the specified Group node into this Fog node's
 list of scopes at the specified index.
 By default, Fog nodes are scoped only by their influencing
 bounds.  This allows them to be further scoped by a list of
 nodes in the hierarchy.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>scope</CODE> - the Group node to be inserted at the specified index.<DD><CODE>index</CODE> - the index at which the Group node is inserted.
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../javax/media/j3d/CapabilityNotSetException.html">CapabilityNotSetException</A></CODE> - if appropriate capability is
 not set and this object is part of live or compiled scene graph
<DD><CODE><A HREF="../../../javax/media/j3d/RestrictedAccessException.html">RestrictedAccessException</A></CODE> - if the specified group node
 is part of a compiled scene graph</DL>
</DD>
</DL>
<HR>

<A NAME="removeScope(int)"><!-- --></A><H3>
removeScope</H3>
<PRE>
public void <B>removeScope</B>(int&nbsp;index)</PRE>
<DL>
<DD>Removes the node at the specified index from this Fog node's
 list of scopes.  If this operation causes the list of scopes to
 become empty, then this Fog will have universe scope: all nodes
 within the region of influence will be affected by this Fog node.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>index</CODE> - the index of the Group node to be removed.
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../javax/media/j3d/CapabilityNotSetException.html">CapabilityNotSetException</A></CODE> - if appropriate capability is
 not set and this object is part of live or compiled scene graph
<DD><CODE><A HREF="../../../javax/media/j3d/RestrictedAccessException.html">RestrictedAccessException</A></CODE> - if the group node at the
 specified index is part of a compiled scene graph</DL>
</DD>
</DL>
<HR>

<A NAME="getAllScopes()"><!-- --></A><H3>
getAllScopes</H3>
<PRE>
public java.util.Enumeration <B>getAllScopes</B>()</PRE>
<DL>
<DD>Returns an enumeration of this Fog node's list of scopes.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>an Enumeration object containing all nodes in this Fog node's
 list of scopes.
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../javax/media/j3d/CapabilityNotSetException.html">CapabilityNotSetException</A></CODE> - if appropriate capability is
 not set and this object is part of live or compiled scene graph</DL>
</DD>
</DL>
<HR>

<A NAME="addScope(javax.media.j3d.Group)"><!-- --></A><H3>
addScope</H3>
<PRE>
public void <B>addScope</B>(<A HREF="../../../javax/media/j3d/Group.html">Group</A>&nbsp;scope)</PRE>
<DL>
<DD>Appends the specified Group node to this Fog node's list of scopes.
 By default, Fog nodes are scoped only by their influencing
 bounds.  This allows them to be further scoped by a list of
 nodes in the hierarchy.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>scope</CODE> - the Group node to be appended.
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../javax/media/j3d/CapabilityNotSetException.html">CapabilityNotSetException</A></CODE> - if appropriate capability is
 not set and this object is part of live or compiled scene graph
<DD><CODE><A HREF="../../../javax/media/j3d/RestrictedAccessException.html">RestrictedAccessException</A></CODE> - if the specified group node
 is part of a compiled scene graph</DL>
</DD>
</DL>
<HR>

<A NAME="numScopes()"><!-- --></A><H3>
numScopes</H3>
<PRE>
public int <B>numScopes</B>()</PRE>
<DL>
<DD>Returns the number of nodes in this Fog node's list of scopes.
 If this number is 0, then the list of scopes is empty and this
 Fog node has universe scope: all nodes within the region of
 influence are affected by this Fog node.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>the number of nodes in this Fog node's list of scopes.
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../javax/media/j3d/CapabilityNotSetException.html">CapabilityNotSetException</A></CODE> - if appropriate capability is
 not set and this object is part of live or compiled scene graph</DL>
</DD>
</DL>
<HR>

<A NAME="indexOfScope(javax.media.j3d.Group)"><!-- --></A><H3>
indexOfScope</H3>
<PRE>
public int <B>indexOfScope</B>(<A HREF="../../../javax/media/j3d/Group.html">Group</A>&nbsp;scope)</PRE>
<DL>
<DD>Retrieves the index of the specified Group node in this
 Fog node's list of scopes.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>scope</CODE> - the Group node to be looked up.
<DT><B>Returns:</B><DD>the index of the specified Group node;
 returns -1 if the object is not in the list.
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../javax/media/j3d/CapabilityNotSetException.html">CapabilityNotSetException</A></CODE> - if appropriate capability is
 not set and this object is part of live or compiled scene graph<DT><B>Since:</B><DD>Java 3D 1.3</DD>
</DD>
</DL>
</DD>
</DL>
<HR>

<A NAME="removeScope(javax.media.j3d.Group)"><!-- --></A><H3>
removeScope</H3>
<PRE>
public void <B>removeScope</B>(<A HREF="../../../javax/media/j3d/Group.html">Group</A>&nbsp;scope)</PRE>
<DL>
<DD>Removes the specified Group node from this Fog
 node's list of scopes.  If the specified object is not in the
 list, the list is not modified.  If this operation causes the
 list of scopes to become empty, then this Fog
 will have universe scope: all nodes within the region of
 influence will be affected by this Fog node.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>scope</CODE> - the Group node to be removed.
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../javax/media/j3d/CapabilityNotSetException.html">CapabilityNotSetException</A></CODE> - if appropriate capability is
 not set and this object is part of live or compiled scene graph
<DD><CODE><A HREF="../../../javax/media/j3d/RestrictedAccessException.html">RestrictedAccessException</A></CODE> - if the specified group node
 is part of a compiled scene graph<DT><B>Since:</B><DD>Java 3D 1.3</DD>
</DD>
</DL>
</DD>
</DL>
<HR>

<A NAME="removeAllScopes()"><!-- --></A><H3>
removeAllScopes</H3>
<PRE>
public void <B>removeAllScopes</B>()</PRE>
<DL>
<DD>Removes all Group nodes from this Fog node's
 list of scopes.  The Fog node will then have
 universe scope: all nodes within the region of influence will
 be affected by this Fog node.
<P>
<DD><DL>

<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../javax/media/j3d/CapabilityNotSetException.html">CapabilityNotSetException</A></CODE> - if appropriate capability is
 not set and this object is part of live or compiled scene graph
<DD><CODE><A HREF="../../../javax/media/j3d/RestrictedAccessException.html">RestrictedAccessException</A></CODE> - if any group node in this
 node's list of scopes is part of a compiled scene graph<DT><B>Since:</B><DD>Java 3D 1.3</DD>
</DD>
</DL>
</DD>
</DL>
<HR>

<A NAME="updateNodeReferences(javax.media.j3d.NodeReferenceTable)"><!-- --></A><H3>
updateNodeReferences</H3>
<PRE>
public void <B>updateNodeReferences</B>(<A HREF="../../../javax/media/j3d/NodeReferenceTable.html">NodeReferenceTable</A>&nbsp;referenceTable)</PRE>
<DL>
<DD>Callback used to allow a node to check if any nodes referenced
 by that node have been duplicated via a call to <code>cloneTree</code>.
 This method is called by <code>cloneTree</code> after all nodes in
 the sub-graph have been duplicated. The cloned Leaf node's method
 will be called and the Leaf node can then look up any node references
 by using the <code>getNewObjectReference</code> method found in the
 <code>NodeReferenceTable</code> object.  If a match is found, a
 reference to the corresponding Node in the newly cloned sub-graph
 is returned.  If no corresponding reference is found, either a
 DanglingReferenceException is thrown or a reference to the original
 node is returned depending on the value of the
 <code>allowDanglingReferences</code> parameter passed in the
 <code>cloneTree</code> call.
 <p>
 NOTE: Applications should <i>not</i> call this method directly.
 It should only be called by the cloneTree method.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../javax/media/j3d/SceneGraphObject.html#updateNodeReferences(javax.media.j3d.NodeReferenceTable)">updateNodeReferences</A></CODE> in class <CODE><A HREF="../../../javax/media/j3d/SceneGraphObject.html">SceneGraphObject</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>referenceTable</CODE> - a NodeReferenceTableObject that contains the
  <code>getNewObjectReference</code> method needed to search for
  new object instances.<DT><B>See Also:</B><DD><A HREF="../../../javax/media/j3d/NodeReferenceTable.html"><CODE>NodeReferenceTable</CODE></A>, 
<A HREF="../../../javax/media/j3d/Node.html#cloneTree()"><CODE>Node.cloneTree()</CODE></A>, 
<A HREF="../../../javax/media/j3d/DanglingReferenceException.html"><CODE>DanglingReferenceException</CODE></A></DL>
</DD>
</DL>
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