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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 Fri Apr 18 11:17:01 PDT 2003 --><TITLE>SceneGraphIO (Java 3D API)</TITLE><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../../../stylesheet.css" TITLE="Style"></HEAD><SCRIPT>function asd(){parent.document.title="SceneGraphIO (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"> PREV CLASS <A HREF="../../../../../../com/sun/j3d/utils/scenegraph/io/SceneGraphObjectReferenceControl.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="SceneGraphIO.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 | CONSTR | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: FIELD | CONSTR | <A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><!-- =========== END OF NAVBAR =========== --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">com.sun.j3d.utils.scenegraph.io</FONT><BR>Interface SceneGraphIO</H2><HR><DL><DT>public interface <B>SceneGraphIO</B></DL><P>Implement this interface in any classes that subclass a Java3D SceneGraphObject in order to have your class handled correctly by scenegraph.io. More information and example code is provided <A href="doc-files/extensibility.html">here.</a> Classes that implement this interface MUST have a no-arg constructor<P><P><HR><P><!-- ======== NESTED CLASS SUMMARY ======== --><!-- =========== FIELD SUMMARY =========== --><!-- ======== CONSTRUCTOR SUMMARY ======== --><!-- ========== 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="../../../../../../com/sun/j3d/utils/scenegraph/io/SceneGraphIO.html#createSceneGraphObjectReferences(com.sun.j3d.utils.scenegraph.io.SceneGraphObjectReferenceControl)">createSceneGraphObjectReferences</A></B>(<A HREF="../../../../../../com/sun/j3d/utils/scenegraph/io/SceneGraphObjectReferenceControl.html">SceneGraphObjectReferenceControl</A> ref)</CODE><BR> The method is called before writeSGObject and gives the user the chance to create references to other Nodes and NodeComponents.</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="../../../../../../com/sun/j3d/utils/scenegraph/io/SceneGraphIO.html#readSceneGraphObject(java.io.DataInput)">readSceneGraphObject</A></B>(java.io.DataInput in)</CODE><BR> This is called after the object has been constructed and the superclass SceneGraphObject data has been read from <code>in</code>.</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="../../../../../../com/sun/j3d/utils/scenegraph/io/SceneGraphIO.html#restoreSceneGraphObjectReferences(com.sun.j3d.utils.scenegraph.io.SceneGraphObjectReferenceControl)">restoreSceneGraphObjectReferences</A></B>(<A HREF="../../../../../../com/sun/j3d/utils/scenegraph/io/SceneGraphObjectReferenceControl.html">SceneGraphObjectReferenceControl</A> ref)</CODE><BR> Within this method the user should restore references to the SceneGraphObjects whose nodeID's were created with createSceneGraphObjectReferences This method is called once the all objects in the scenegraph have been loaded.</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="../../../../../../com/sun/j3d/utils/scenegraph/io/SceneGraphIO.html#saveChildren()">saveChildren</A></B>()</CODE><BR> Flag indicating for children of this object should be saved This method only has an effect if this is a subclass of Group.</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="../../../../../../com/sun/j3d/utils/scenegraph/io/SceneGraphIO.html#writeSceneGraphObject(java.io.DataOutput)">writeSceneGraphObject</A></B>(java.io.DataOutput out)</CODE><BR> This method should store all the local state of the object and any references to other SceneGraphObjects into <code>out</code>.</TD></TR></TABLE> <P><!-- ============ FIELD DETAIL =========== --><!-- ========= CONSTRUCTOR DETAIL ======== --><!-- ============ 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="createSceneGraphObjectReferences(com.sun.j3d.utils.scenegraph.io.SceneGraphObjectReferenceControl)"><!-- --></A><H3>createSceneGraphObjectReferences</H3><PRE>public void <B>createSceneGraphObjectReferences</B>(<A HREF="../../../../../../com/sun/j3d/utils/scenegraph/io/SceneGraphObjectReferenceControl.html">SceneGraphObjectReferenceControl</A> ref)</PRE><DL><DD>The method is called before writeSGObject and gives the user the chance to create references to other Nodes and NodeComponents. References take the form of a nodeID, of type integer. Every SceneGraphObject is assigned a unique ID. The user must save the reference information in writeSGObject<P><DD><DL><DT><B>Parameters:</B><DD><CODE>ref</CODE> - provides methods to create references to a SceneGraphObject</DL></DD></DL><HR><A NAME="restoreSceneGraphObjectReferences(com.sun.j3d.utils.scenegraph.io.SceneGraphObjectReferenceControl)"><!-- --></A><H3>restoreSceneGraphObjectReferences</H3><PRE>public void <B>restoreSceneGraphObjectReferences</B>(<A HREF="../../../../../../com/sun/j3d/utils/scenegraph/io/SceneGraphObjectReferenceControl.html">SceneGraphObjectReferenceControl</A> ref)</PRE><DL><DD>Within this method the user should restore references to the SceneGraphObjects whose nodeID's were created with createSceneGraphObjectReferences This method is called once the all objects in the scenegraph have been loaded.<P><DD><DL><DT><B>Parameters:</B><DD><CODE>ref</CODE> - provides methods to resolve references to a SceneGraphObject</DL></DD></DL><HR><A NAME="writeSceneGraphObject(java.io.DataOutput)"><!-- --></A><H3>writeSceneGraphObject</H3><PRE>public void <B>writeSceneGraphObject</B>(java.io.DataOutput out) throws java.io.IOException</PRE><DL><DD>This method should store all the local state of the object and any references to other SceneGraphObjects into <code>out</code>. This is called after data for the parent SceneGraphObject has been written to the <code>out</code>.<P><DD><DL><DT><B>Parameters:</B><DD><CODE>out</CODE> - the output stream<DD><CODE>java.io.IOException</CODE></DL></DD></DL><HR><A NAME="readSceneGraphObject(java.io.DataInput)"><!-- --></A><H3>readSceneGraphObject</H3><PRE>public void <B>readSceneGraphObject</B>(java.io.DataInput in) throws java.io.IOException</PRE><DL><DD>This is called after the object has been constructed and the superclass SceneGraphObject data has been read from <code>in</code>. The user should restore all state infomation written in writeSGObject<P><DD><DL><DT><B>Parameters:</B><DD><CODE>in</CODE> - the input stream<DD><CODE>java.io.IOException</CODE></DL></DD></DL><HR><A NAME="saveChildren()"><!-- --></A><H3>saveChildren</H3><PRE>public boolean <B>saveChildren</B>()</PRE><DL><DD>Flag indicating for children of this object should be saved This method only has an effect if this is a subclass of Group. If this returns true then all children of this Group will be saved. If it returns false then the children are not saved.<P><DD><DL></DL></DD></DL><!-- ========= END OF CLASS DATA ========= --><HR><!-- ========== START OF NAVBAR ========== --><A NAME="navbar_bottom"><!-- --></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0"><TR><TD COLSPAN=3 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_bottom_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"> PREV CLASS <A HREF="../../../../../../com/sun/j3d/utils/scenegraph/io/SceneGraphObjectReferenceControl.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="SceneGraphIO.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 | CONSTR | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: FIELD | CONSTR | <A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><!-- =========== END OF NAVBAR =========== --><HR></BODY></HTML>⌨️ 快捷键说明
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