nonleafelement.html

本程序是由JAVA实现的R-树新建、结点增加、删除功能。

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<TD><B>Methods inherited from class java.lang.Object</B></TD>
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<TD><CODE>equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait</CODE></TD>
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<A NAME="nodePtr"><!-- --></A><H3>
nodePtr</H3>
<PRE>
long <B>nodePtr</B></PRE>
<DL>
<DD>will contain file pointer pointing to the child node
<P>
<DL>
</DL>
</DL>

<!-- ========= CONSTRUCTOR DETAIL ======== -->

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<B>Constructor Detail</B></FONT></TD>
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<A NAME="NonLeafElement(rtree.Rect, long)"><!-- --></A><H3>
NonLeafElement</H3>
<PRE>
public <B>NonLeafElement</B>(<A HREF="../rtree/Rect.html" title="class in rtree">Rect</A>&nbsp;nodeRect,
                      long&nbsp;nodePtr)</PRE>
<DL>
</DL>

<!-- ============ METHOD DETAIL ========== -->

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<A NAME="sizeInBytes()"><!-- --></A><H3>
sizeInBytes</H3>
<PRE>
public static int <B>sizeInBytes</B>()</PRE>
<DL>
<DD>if possible make this function abstract and static in the parent class
     depends upon the size of the pointer
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getPtr()"><!-- --></A><H3>
getPtr</H3>
<PRE>
public long <B>getPtr</B>()</PRE>
<DL>
<DD>This can be the chile node pointer.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../rtree/Element.html#getPtr()">getPtr</A></CODE> in class <CODE><A HREF="../rtree/Element.html" title="class in rtree">Element</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getElementType()"><!-- --></A><H3>
getElementType</H3>
<PRE>
public int <B>getElementType</B>()</PRE>
<DL>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../rtree/Element.html#getElementType()">getElementType</A></CODE> in class <CODE><A HREF="../rtree/Element.html" title="class in rtree">Element</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="setPtr(long)"><!-- --></A><H3>
setPtr</H3>
<PRE>
public void <B>setPtr</B>(long&nbsp;ptr)</PRE>
<DL>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../rtree/Element.html#setPtr(long)">setPtr</A></CODE> in class <CODE><A HREF="../rtree/Element.html" title="class in rtree">Element</A></CODE></DL>
</DD>
<DD><DL>
</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><A HREF="../rtree/Element.html#toString()">toString</A></CODE> in class <CODE><A HREF="../rtree/Element.html" title="class in rtree">Element</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="sort(rtree.Element[], int)"><!-- --></A><H3>
sort</H3>
<PRE>
public static void <B>sort</B>(<A HREF="../rtree/Element.html" title="class in rtree">Element</A>[]&nbsp;elmts,
                        int&nbsp;on)</PRE>
<DL>
<DD>A merge-sort routine for the Packing algo.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>on</CODE> - if 0 then sort on X else on Y(i.e for 1)</DL>
</DD>
</DL>
<HR>

<A NAME="twoWayMerge(rtree.Element[], int, int, int)"><!-- --></A><H3>
twoWayMerge</H3>
<PRE>
static void <B>twoWayMerge</B>(<A HREF="../rtree/Element.html" title="class in rtree">Element</A>[]&nbsp;elmts,
                        int&nbsp;start,
                        int&nbsp;finish,
                        int&nbsp;on)</PRE>
<DL>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="simpleMerge(rtree.Element[], int, int, int, int)"><!-- --></A><H3>
simpleMerge</H3>
<PRE>
private static void <B>simpleMerge</B>(<A HREF="../rtree/Element.html" title="class in rtree">Element</A>[]&nbsp;elmts,
                                int&nbsp;first,
                                int&nbsp;second,
                                int&nbsp;third,
                                int&nbsp;on)
                         throws java.lang.Exception</PRE>
<DL>
<DD><DL>

<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE></DL>
</DD>
</DL>
<HR>

<A NAME="getMid(rtree.Element, int)"><!-- --></A><H3>
getMid</H3>
<PRE>
private static int <B>getMid</B>(<A HREF="../rtree/Element.html" title="class in rtree">Element</A>&nbsp;elmt,
                          int&nbsp;on)</PRE>
<DL>
<DD>A private class to calculate the mid value in given dimension
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="clone()"><!-- --></A><H3>
clone</H3>
<PRE>
public java.lang.Object <B>clone</B>()</PRE>
<DL>
<DD><DL>
</DL>
</DD>
</DL>
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