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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><!--NewPage--><HTML><HEAD><!-- Generated by javadoc (build 1.4.2_13) on Tue Jun 05 11:36:40 GMT-05:00 2007 --><META http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><TITLE>Edge (Geotools 2.3.x 2.3.2 API)</TITLE><META NAME="keywords" CONTENT="org.geotools.graph.structure.Edge interface"><META NAME="keywords" CONTENT="EQUAL_NODE_ORIENTATION"><META NAME="keywords" CONTENT="UNEQUAL_NODE_ORIENTATION"><META NAME="keywords" CONTENT="OPPOSITE_NODE_ORIENTATION"><META NAME="keywords" CONTENT="getNodeA()"><META NAME="keywords" CONTENT="getNodeB()"><META NAME="keywords" CONTENT="getOtherNode()"><META NAME="keywords" CONTENT="reverse()"><META NAME="keywords" CONTENT="compareNodes()"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="Edge (Geotools 2.3.x 2.3.2 API)";}</SCRIPT></HEAD><BODY BGCOLOR="white" onload="windowTitle();"><!-- ========= START OF TOP NAVBAR ======= --><A NAME="navbar_top"><!-- --></A><A HREF="#skip-navbar_top" title="Skip navigation links"></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""><TR><TD COLSPAN=3 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_top_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY=""> <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="class-use/Edge.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A> </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"> <A HREF="../../../../org/geotools/graph/structure/DirectedNode.html" title="interface in org.geotools.graph.structure"><B>PREV CLASS</B></A> <A HREF="../../../../org/geotools/graph/structure/Graph.html" title="interface in org.geotools.graph.structure"><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="Edge.html" target="_top"><B>NO FRAMES</B></A> <SCRIPT type="text/javascript"> <!-- if(window==top) { document.writeln('<A HREF="../../../../allclasses-noframe.html"><B>All Classes</B></A>'); } //--></SCRIPT><NOSCRIPT> <A HREF="../../../../allclasses-noframe.html"><B>All Classes</B></A></NOSCRIPT></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: NESTED | <A HREF="#field_summary">FIELD</A> | CONSTR | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: <A HREF="#field_detail">FIELD</A> | CONSTR | <A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><A NAME="skip-navbar_top"></A><!-- ========= END OF TOP NAVBAR ========= --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">org.geotools.graph.structure</FONT><BR>Interface Edge</H2><DL><DT><B>All Superinterfaces:</B> <DD><A HREF="../../../../org/geotools/graph/structure/Graphable.html" title="interface in org.geotools.graph.structure">Graphable</A></DD></DL><DL><DT><B>All Known Subinterfaces:</B> <DD><A HREF="../../../../org/geotools/graph/structure/DirectedEdge.html" title="interface in org.geotools.graph.structure">DirectedEdge</A></DD></DL><DL><DT><B>All Known Implementing Classes:</B> <DD><A HREF="../../../../org/geotools/graph/structure/basic/BasicDirectedEdge.html" title="class in org.geotools.graph.structure.basic">BasicDirectedEdge</A>, <A HREF="../../../../org/geotools/graph/structure/basic/BasicEdge.html" title="class in org.geotools.graph.structure.basic">BasicEdge</A>, <A HREF="../../../../org/geotools/graph/structure/opt/OptDirectedEdge.html" title="class in org.geotools.graph.structure.opt">OptDirectedEdge</A>, <A HREF="../../../../org/geotools/graph/structure/opt/OptEdge.html" title="class in org.geotools.graph.structure.opt">OptEdge</A></DD></DL><HR><DL><DT>public interface <B>Edge</B><DT>extends <A HREF="../../../../org/geotools/graph/structure/Graphable.html" title="interface in org.geotools.graph.structure">Graphable</A></DL><P>Represents an edge in Graph. An edge is an arc in a graph which connects exactly two nodes. These two nodes are referred to as the A node and the B node of the edge. The order of the A node and the B node is refered to as the <B>node orientation</B> of the edge.<P><P><DL><DT><B>Author:</B></DT> <DD>Justin Deoliveira, Refractions Research Inc, jdeolive@refractions.net</DD><DT><B>See Also:</B><DD><A HREF="../../../../org/geotools/graph/structure/Node.html" title="interface in org.geotools.graph.structure"><CODE>Node</CODE></A>, <A HREF="../../../../org/geotools/graph/structure/Graph.html" title="interface in org.geotools.graph.structure"><CODE>Graph</CODE></A><DT><B>Module:</B></DT><DD><CODE><B>ext/graph</B></CODE> (<A HREF="http://maven.geotools.fr/repository/org/geotools/gt2-graph/"><CODE>gt2-graph.jar</CODE></A>) (<A HREF="http://maven.geotools.fr/reports/graph/index.html">Maven report</A>) (<A HREF="http://svn.geotools.org/geotools/tags/2.3.2/ext/graph/src/org/geotools/graph/structure/Edge.java">SVN head</A>)</DD></DL><HR><P><!-- ======== NESTED CLASS SUMMARY ======== --><!-- =========== FIELD SUMMARY =========== --><A NAME="field_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Field Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static int</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/geotools/graph/structure/Edge.html#EQUAL_NODE_ORIENTATION">EQUAL_NODE_ORIENTATION</A></B></CODE><BR> flag to indicate equal node orientation of two edges</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static int</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/geotools/graph/structure/Edge.html#OPPOSITE_NODE_ORIENTATION">OPPOSITE_NODE_ORIENTATION</A></B></CODE><BR> flag to indicate opposite node orientation of two edges</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static int</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/geotools/graph/structure/Edge.html#UNEQUAL_NODE_ORIENTATION">UNEQUAL_NODE_ORIENTATION</A></B></CODE><BR> flag to indicate unequal node orientation of two edges</TD></TR></TABLE> <!-- ======== CONSTRUCTOR SUMMARY ======== --><!-- ========== METHOD SUMMARY =========== --><A NAME="method_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><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> int</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/geotools/graph/structure/Edge.html#compareNodes(org.geotools.graph.structure.Edge)">compareNodes</A></B>(<A HREF="../../../../org/geotools/graph/structure/Edge.html" title="interface in org.geotools.graph.structure">Edge</A> other)</CODE><BR> Compares the node orientation of the edge with another edge.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../../org/geotools/graph/structure/Node.html" title="interface in org.geotools.graph.structure">Node</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/geotools/graph/structure/Edge.html#getNodeA()">getNodeA</A></B>()</CODE><BR> Returns the A node of the edge.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../../org/geotools/graph/structure/Node.html" title="interface in org.geotools.graph.structure">Node</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/geotools/graph/structure/Edge.html#getNodeB()">getNodeB</A></B>()</CODE><BR> Returns the B node of the edge.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../../org/geotools/graph/structure/Node.html" title="interface in org.geotools.graph.structure">Node</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/geotools/graph/structure/Edge.html#getOtherNode(org.geotools.graph.structure.Node)">getOtherNode</A></B>(<A HREF="../../../../org/geotools/graph/structure/Node.html" title="interface in org.geotools.graph.structure">Node</A> node)</CODE><BR> Returns one of the two nodes of an edge. </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="../../../../org/geotools/graph/structure/Edge.html#reverse()">reverse</A></B>()</CODE><BR> Reverses the node orientation of the edge.</TD></TR></TABLE> <A NAME="methods_inherited_from_class_Graphable"><!-- --></A>⌨️ 快捷键说明
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