edge.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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<TD><B>Methods inherited from interface <A HREF="../../../../org/geotools/graph/structure/Graphable.html" title="interface in org.geotools.graph.structure">Graphable</A></B></TD>
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<TD><CODE><A HREF="../../../../org/geotools/graph/structure/Graphable.html#getCount()">getCount</A>, <A HREF="../../../../org/geotools/graph/structure/Graphable.html#getID()">getID</A>, <A HREF="../../../../org/geotools/graph/structure/Graphable.html#getObject()">getObject</A>, <A HREF="../../../../org/geotools/graph/structure/Graphable.html#getRelated()">getRelated</A>, <A HREF="../../../../org/geotools/graph/structure/Graphable.html#isVisited()">isVisited</A>, <A HREF="../../../../org/geotools/graph/structure/Graphable.html#setCount(int)">setCount</A>, <A HREF="../../../../org/geotools/graph/structure/Graphable.html#setID(int)">setID</A>, <A HREF="../../../../org/geotools/graph/structure/Graphable.html#setObject(java.lang.Object)">setObject</A>, <A HREF="../../../../org/geotools/graph/structure/Graphable.html#setVisited(boolean)">setVisited</A></CODE></TD>
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<A NAME="EQUAL_NODE_ORIENTATION"><!-- --></A><H3>
EQUAL_NODE_ORIENTATION</H3>
<PRE>
public static final int <B>EQUAL_NODE_ORIENTATION</B></PRE>
<DL>
<DD>flag to indicate equal node orientation of two edges
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#org.geotools.graph.structure.Edge.EQUAL_NODE_ORIENTATION">Constant Field Values</A></DL>
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<A NAME="UNEQUAL_NODE_ORIENTATION"><!-- --></A><H3>
UNEQUAL_NODE_ORIENTATION</H3>
<PRE>
public static final int <B>UNEQUAL_NODE_ORIENTATION</B></PRE>
<DL>
<DD>flag to indicate unequal node orientation of two edges
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#org.geotools.graph.structure.Edge.UNEQUAL_NODE_ORIENTATION">Constant Field Values</A></DL>
</DL>
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<A NAME="OPPOSITE_NODE_ORIENTATION"><!-- --></A><H3>
OPPOSITE_NODE_ORIENTATION</H3>
<PRE>
public static final int <B>OPPOSITE_NODE_ORIENTATION</B></PRE>
<DL>
<DD>flag to indicate opposite node orientation of two edges
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#org.geotools.graph.structure.Edge.OPPOSITE_NODE_ORIENTATION">Constant Field Values</A></DL>
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<A NAME="getNodeA()"><!-- --></A><H3>
getNodeA</H3>
<PRE>
public <A HREF="../../../../org/geotools/graph/structure/Node.html" title="interface in org.geotools.graph.structure">Node</A> <B>getNodeA</B>()</PRE>
<DL>
<DD>Returns the A node of the edge.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The A node.</DL>
</DD>
</DL>
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<A NAME="getNodeB()"><!-- --></A><H3>
getNodeB</H3>
<PRE>
public <A HREF="../../../../org/geotools/graph/structure/Node.html" title="interface in org.geotools.graph.structure">Node</A> <B>getNodeB</B>()</PRE>
<DL>
<DD>Returns the B node of the edge.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The B node.</DL>
</DD>
</DL>
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<A NAME="getOtherNode(org.geotools.graph.structure.Node)"><!-- --></A><H3>
getOtherNode</H3>
<PRE>
public <A HREF="../../../../org/geotools/graph/structure/Node.html" title="interface in org.geotools.graph.structure">Node</A> <B>getOtherNode</B>(<A HREF="../../../../org/geotools/graph/structure/Node.html" title="interface in org.geotools.graph.structure">Node</A>&nbsp;node)</PRE>
<DL>
<DD>Returns one of the two nodes of an edge. If the specified node is node A, 
 then node B is returned, and vice versa.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>node</CODE> - The node opposite of the node to return.
<DT><B>Returns:</B><DD>Node A if node B is specified, node B if node A is specified.</DL>
</DD>
</DL>
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<A NAME="reverse()"><!-- --></A><H3>
reverse</H3>
<PRE>
public void <B>reverse</B>()</PRE>
<DL>
<DD>Reverses the node orientation of the edge.
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<DD><DL>
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</DD>
<DD><DL>
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<A NAME="compareNodes(org.geotools.graph.structure.Edge)"><!-- --></A><H3>
compareNodes</H3>
<PRE>
public int <B>compareNodes</B>(<A HREF="../../../../org/geotools/graph/structure/Edge.html" title="interface in org.geotools.graph.structure">Edge</A>&nbsp;other)</PRE>
<DL>
<DD>Compares the node orientation of the edge with another edge.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>EQUAL_NODE_ORIENTATION : both nodes are equal in the correct order.
 		     UNEQUAL_NODE_ORIENTATION: both nodes are not equal
 				 OPPOSITE_NODE_ORIENTATION : both nodes are equal in opposite order.</DL>
</DD>
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