Package org.locationtech.jts.planargraph

Class NodeMap

java.lang.Object

org.locationtech.jts.planargraph.NodeMap

public class NodeMap
extends java.lang.Object

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

Version:

1.7

Constructor Summary

Constructors

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

Method Summary

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

equals, 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

remove

public Node remove(Coordinate pt)

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

find

public Node find(Coordinate coord)

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

iterator

public java.util.Iterator iterator()

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

values

public java.util.Collection values()

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