optnode.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

 <BR>
 Note: It is possible for two nodes to share multiple edges between them. In
 this case, getEdges(Node other) can be used to obtain a complete list.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../org/geotools/graph/structure/Node.html#getEdge(org.geotools.graph.structure.Node)">getEdge</A></CODE> in interface <CODE><A HREF="../../../../../org/geotools/graph/structure/Node.html" title="interface in org.geotools.graph.structure">Node</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>other</CODE> - The other node that the desired edge to return is adjacent to.
<DT><B>Returns:</B><DD>The first edge that is found to be adjacent to the 
 specified node.<DT><B>See Also:</B><DD><A HREF="../../../../../org/geotools/graph/structure/Node.html#getEdge(org.geotools.graph.structure.Node)"><CODE>Node.getEdge(Node)</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="getEdges(org.geotools.graph.structure.Node)"><!-- --></A><H3>
getEdges</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/List.html" title="class or interface in java.util">List</A> <B>getEdges</B>(<A HREF="../../../../../org/geotools/graph/structure/Node.html" title="interface in org.geotools.graph.structure">Node</A>&nbsp;other)</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../../../org/geotools/graph/structure/Node.html" title="interface in org.geotools.graph.structure">Node</A></CODE></B></DD>
<DD>Returns a collection of edges in the adjacency list of the node that are 
 adjacent to another specified node.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../org/geotools/graph/structure/Node.html#getEdges(org.geotools.graph.structure.Node)">getEdges</A></CODE> in interface <CODE><A HREF="../../../../../org/geotools/graph/structure/Node.html" title="interface in org.geotools.graph.structure">Node</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>other</CODE> - The other node that the desired edges to return are 
 adjacent to.
<DT><B>Returns:</B><DD>List of all edges that are found to be adjacent to the specified
 node.<DT><B>See Also:</B><DD><A HREF="../../../../../org/geotools/graph/structure/Node.html#getEdges(org.geotools.graph.structure.Node)"><CODE>Node.getEdges(Node)</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="getEdgeArray()"><!-- --></A><H3>
getEdgeArray</H3>
<PRE>
public <A HREF="../../../../../org/geotools/graph/structure/Edge.html" title="interface in org.geotools.graph.structure">Edge</A>[] <B>getEdgeArray</B>()</PRE>
<DL>
<DD>Returns the edge adjacency list of the node as an array.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>An array containing edges adjacent to the node.</DL>
</DD>
</DL>
<HR>

<A NAME="getEdges()"><!-- --></A><H3>
getEdges</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/List.html" title="class or interface in java.util">List</A> <B>getEdges</B>()</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../../../org/geotools/graph/structure/Node.html" title="interface in org.geotools.graph.structure">Node</A></CODE></B></DD>
<DD>Returns the edge adjacency list of the node.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../org/geotools/graph/structure/Node.html#getEdges()">getEdges</A></CODE> in interface <CODE><A HREF="../../../../../org/geotools/graph/structure/Node.html" title="interface in org.geotools.graph.structure">Node</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>A list containing all edges that are adjacent to the node.<DT><B>See Also:</B><DD><A HREF="../../../../../org/geotools/graph/structure/Node.html#getEdges()"><CODE>Node.getEdges()</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="setDegree(int)"><!-- --></A><H3>
setDegree</H3>
<PRE>
public void <B>setDegree</B>(int&nbsp;degree)</PRE>
<DL>
<DD>Sets the degree of the node. This method build the edge adjacency array 
 for the node.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>degree</CODE> - The degree of the node / size of edge adjacency array.</DL>
</DD>
</DL>
<HR>

<A NAME="getDegree()"><!-- --></A><H3>
getDegree</H3>
<PRE>
public int <B>getDegree</B>()</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../../../org/geotools/graph/structure/Node.html" title="interface in org.geotools.graph.structure">Node</A></CODE></B></DD>
<DD>Returns the degree of the node. The degree of a node is defined as the 
 number of edges that are adjacent to the node.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../org/geotools/graph/structure/Node.html#getDegree()">getDegree</A></CODE> in interface <CODE><A HREF="../../../../../org/geotools/graph/structure/Node.html" title="interface in org.geotools.graph.structure">Node</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>int Degree of node.<DT><B>See Also:</B><DD><A HREF="../../../../../org/geotools/graph/structure/Node.html#getDegree()"><CODE>Node.getDegree()</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="getRelated()"><!-- --></A><H3>
getRelated</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/Iterator.html" title="class or interface in java.util">Iterator</A> <B>getRelated</B>()</PRE>
<DL>
<DD>This iterator iterates over the underlying edge array of the node.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../org/geotools/graph/structure/Graphable.html#getRelated()">getRelated</A></CODE> in interface <CODE><A HREF="../../../../../org/geotools/graph/structure/Graphable.html" title="interface in org.geotools.graph.structure">Graphable</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>Iterator An iterator over other components of the graph that 
 are related to the component.<DT><B>See Also:</B><DD><A HREF="../../../../../org/geotools/graph/structure/Graphable.html#getRelated()"><CODE>Graphable.getRelated()</CODE></A></DL>
</DD>
</DL>
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