quadtree.html

Geotools是一个开源的Java GIS工具包,可利用它来开发符合标准的地理信息系统。Geotools提供了OGC(Open Geospatial Consortium)规范的一个实现来作为他们的

 
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<A NAME="QuadTree(int, com.vividsolutions.jts.geom.Envelope, org.geotools.data.shapefile.shp.IndexFile)"><!-- --></A><H3>
QuadTree</H3>
<PRE>
public <B>QuadTree</B>(int&nbsp;numShapes,
                <A HREF="http://www.jump-project.org/docs/jts/1.7/api/com/vividsolutions/jts/geom/Envelope.html" title="class or interface in com.vividsolutions.jts.geom">Envelope</A>&nbsp;maxBounds,
                <A HREF="../../../../org/geotools/data/shapefile/shp/IndexFile.html" title="class in org.geotools.data.shapefile.shp">IndexFile</A>&nbsp;file)</PRE>
<DL>
<DD>Constructor.
 The maxDepth will be calculated.
<P>
<DT><B>Parameters:</B><DD><CODE>numShapes</CODE> - The total number of shapes to index<DD><CODE>maxBounds</CODE> - The bounds of all geometries to be indexed</DL>
<HR>

<A NAME="QuadTree(int, int, com.vividsolutions.jts.geom.Envelope, org.geotools.data.shapefile.shp.IndexFile)"><!-- --></A><H3>
QuadTree</H3>
<PRE>
public <B>QuadTree</B>(int&nbsp;numShapes,
                int&nbsp;maxDepth,
                <A HREF="http://www.jump-project.org/docs/jts/1.7/api/com/vividsolutions/jts/geom/Envelope.html" title="class or interface in com.vividsolutions.jts.geom">Envelope</A>&nbsp;maxBounds,
                <A HREF="../../../../org/geotools/data/shapefile/shp/IndexFile.html" title="class in org.geotools.data.shapefile.shp">IndexFile</A>&nbsp;file)</PRE>
<DL>
<DD>Constructor.
<P>
<DT><B>Parameters:</B><DD><CODE>numShapes</CODE> - The total number of shapes to index<DD><CODE>maxDepth</CODE> - The max depth of the index, must be <= 65535<DD><CODE>maxBounds</CODE> - The bounds of all geometries to be indexed</DL>
<HR>

<A NAME="QuadTree(int, int, org.geotools.data.shapefile.shp.IndexFile)"><!-- --></A><H3>
QuadTree</H3>
<PRE>
public <B>QuadTree</B>(int&nbsp;numShapes,
                int&nbsp;maxDepth,
                <A HREF="../../../../org/geotools/data/shapefile/shp/IndexFile.html" title="class in org.geotools.data.shapefile.shp">IndexFile</A>&nbsp;file)</PRE>
<DL>
<DD>Constructor.
 WARNING: using this constructor, you have to manually set the root
<P>
<DT><B>Parameters:</B><DD><CODE>numShapes</CODE> - The total number of shapes to index<DD><CODE>maxDepth</CODE> - The max depth of the index, must be <= 65535</DL>

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<A NAME="insert(int, com.vividsolutions.jts.geom.Envelope)"><!-- --></A><H3>
insert</H3>
<PRE>
public void <B>insert</B>(int&nbsp;recno,
                   <A HREF="http://www.jump-project.org/docs/jts/1.7/api/com/vividsolutions/jts/geom/Envelope.html" title="class or interface in com.vividsolutions.jts.geom">Envelope</A>&nbsp;bounds)
            throws <A HREF="../../../../org/geotools/index/quadtree/StoreException.html" title="class in org.geotools.index.quadtree">StoreException</A></PRE>
<DL>
<DD>Inserts a shape record id in the quadtree
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>recno</CODE> - The record number<DD><CODE>bounds</CODE> - The bounding box
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../../org/geotools/index/quadtree/StoreException.html" title="class in org.geotools.index.quadtree">StoreException</A></CODE></DL>
</DD>
</DL>
<HR>

<A NAME="search(com.vividsolutions.jts.geom.Envelope)"><!-- --></A><H3>
search</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/Collection.html" title="class or interface in java.util">Collection</A> <B>search</B>(<A HREF="http://www.jump-project.org/docs/jts/1.7/api/com/vividsolutions/jts/geom/Envelope.html" title="class or interface in com.vividsolutions.jts.geom">Envelope</A>&nbsp;bounds)
                  throws <A HREF="../../../../org/geotools/index/quadtree/StoreException.html" title="class in org.geotools.index.quadtree">StoreException</A></PRE>
<DL>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>bounds</CODE> - 
<DT><B>Returns:</B><DD>A List of Integer
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../../org/geotools/index/quadtree/StoreException.html" title="class in org.geotools.index.quadtree">StoreException</A></CODE></DL>
</DD>
</DL>
<HR>

<A NAME="close(java.util.Iterator)"><!-- --></A><H3>
close</H3>
<PRE>
public void <B>close</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/Iterator.html" title="class or interface in java.util">Iterator</A>&nbsp;iter)
           throws <A HREF="../../../../org/geotools/index/quadtree/StoreException.html" title="class in org.geotools.index.quadtree">StoreException</A></PRE>
<DL>
<DD>Closes this QuadTree after use...
<P>
<DD><DL>

<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../../org/geotools/index/quadtree/StoreException.html" title="class in org.geotools.index.quadtree">StoreException</A></CODE></DL>
</DD>
</DL>
<HR>

<A NAME="trim()"><!-- --></A><H3>
trim</H3>
<PRE>
public boolean <B>trim</B>()
             throws <A HREF="../../../../org/geotools/index/quadtree/StoreException.html" title="class in org.geotools.index.quadtree">StoreException</A></PRE>
<DL>
<DD><DL>

<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../../org/geotools/index/quadtree/StoreException.html" title="class in org.geotools.index.quadtree">StoreException</A></CODE></DL>
</DD>
</DL>
<HR>

<A NAME="getMaxDepth()"><!-- --></A><H3>
getMaxDepth</H3>
<PRE>
public int <B>getMaxDepth</B>()</PRE>
<DL>
<DD><DL>

<DT><B>Returns:</B><DD>Returns the maxDepth.</DL>
</DD>
</DL>
<HR>

<A NAME="setMaxDepth(int)"><!-- --></A><H3>
setMaxDepth</H3>
<PRE>
public void <B>setMaxDepth</B>(int&nbsp;maxDepth)</PRE>
<DL>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>maxDepth</CODE> - The maxDepth to set.</DL>
</DD>
</DL>
<HR>

<A NAME="getNumShapes()"><!-- --></A><H3>
getNumShapes</H3>
<PRE>
public int <B>getNumShapes</B>()</PRE>
<DL>
<DD><DL>

<DT><B>Returns:</B><DD>Returns the numShapes.</DL>
</DD>
</DL>
<HR>

<A NAME="setNumShapes(int)"><!-- --></A><H3>
setNumShapes</H3>
<PRE>
public void <B>setNumShapes</B>(int&nbsp;numShapes)</PRE>
<DL>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>numShapes</CODE> - The numShapes to set.</DL>
</DD>
</DL>
<HR>

<A NAME="getRoot()"><!-- --></A><H3>
getRoot</H3>
<PRE>
public <A HREF="../../../../org/geotools/index/quadtree/Node.html" title="class in org.geotools.index.quadtree">Node</A> <B>getRoot</B>()</PRE>
<DL>
<DD><DL>

<DT><B>Returns:</B><DD>Returns the root.</DL>
</DD>
</DL>
<HR>

<A NAME="setRoot(org.geotools.index.quadtree.Node)"><!-- --></A><H3>
setRoot</H3>
<PRE>
public void <B>setRoot</B>(<A HREF="../../../../org/geotools/index/quadtree/Node.html" title="class in org.geotools.index.quadtree">Node</A>&nbsp;root)</PRE>
<DL>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>root</CODE> - The root to set.</DL>
</DD>
</DL>
<HR>

<A NAME="close()"><!-- --></A><H3>
close</H3>
<PRE>
public void <B>close</B>()
           throws <A HREF="../../../../org/geotools/index/quadtree/StoreException.html" title="class in org.geotools.index.quadtree">StoreException</A></PRE>
<DL>
<DD><DL>

<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../../org/geotools/index/quadtree/StoreException.html" title="class in org.geotools.index.quadtree">StoreException</A></CODE></DL>
</DD>
</DL>
<HR>

<A NAME="registerIterator(java.util.Iterator)"><!-- --></A><H3>
registerIterator</H3>
<PRE>
public void <B>registerIterator</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/Iterator.html" title="class or interface in java.util">Iterator</A>&nbsp;object)</PRE>
<DL>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getIndexfile()"><!-- --></A><H3>
getIndexfile</H3>
<PRE>
public <A HREF="../../../../org/geotools/data/shapefile/shp/IndexFile.html" title="class in org.geotools.data.shapefile.shp">IndexFile</A> <B>getIndexfile</B>()</PRE>
<DL>
<DD><DL>
</DL>
</DD>
</DL>
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