com.revolsys.jts.planargraph

Class NodeMap

java.lang.Object

com.revolsys.jts.planargraph.NodeMap

public class NodeMap
extends Object

A map of Nodes, indexed by the coordinate of the node.

Version:

1.7

Constructor Summary

Constructors

Constructor and Description
NodeMap() Constructs a NodeMap without any Nodes.

Method Summary

Methods

Modifier and Type	Method and Description
Node	add(Node n) Adds a node to the map, replacing any that is already at that location.
Node	find(Point coord) Returns the Node at the given location, or null if no Node was there.
Iterator	iterator() Returns an Iterator over the Nodes in this NodeMap, sorted in ascending order by angle with the positive x-axis.
Node	remove(Point pt) Removes the Node at the given location, and returns it (or null if no Node was there).
Collection	values() Returns the Nodes in this NodeMap, sorted in ascending order by angle with the positive x-axis.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

NodeMap

public NodeMap()

Constructs a NodeMap without any Nodes.

Method Detail

add

public Node add(Node n)

Adds a node to the map, replacing any that is already at that location.

Returns:

the added node

find

public Node find(Point coord)

Returns the Node at the given location, or null if no Node was there.

iterator

public Iterator iterator()

Returns an Iterator over the Nodes in this NodeMap, sorted in ascending order by angle with the positive x-axis.

remove

public Node remove(Point pt)

Removes the Node at the given location, and returns it (or null if no Node was there).

values

public Collection values()

Returns the Nodes in this NodeMap, sorted in ascending order by angle with the positive x-axis.