Class TaggedLineSegment

1	/*
2	* Copyright (c) 2016 Vivid Solutions.
3	*
4	* All rights reserved. This program and the accompanying materials
5	* are made available under the terms of the Eclipse Public License 2.0
6	* and Eclipse Distribution License v. 1.0 which accompanies this distribution.
7	* The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v20.html
8	* and the Eclipse Distribution License is available at
9	*
10	* http://www.eclipse.org/org/documents/edl-v10.php.
11	*/
12
13	package org.locationtech.jts.simplify;
14
15	import org.locationtech.jts.geom.Coordinate;
16	import org.locationtech.jts.geom.Geometry;
17	import org.locationtech.jts.geom.LineSegment;
18
19	/**
20	* A {@link LineSegment} which is tagged with its location in a parent {@link Geometry}.
21	* Used to index the segments in a geometry and recover the segment locations
22	* from the index.
23	*/
24	class TaggedLineSegment
25	extends LineSegment
26	{
27	private Geometry parent;
28	private int index;
29
30	public TaggedLineSegment(Coordinate p0, Coordinate p1, Geometry parent, int index) {
31	super(p0, p1);
32	this.parent = parent;
33	this.index = index;
34	}
35
36	public TaggedLineSegment(Coordinate p0, Coordinate p1) {
37	this(p0, p1, null, -1);
38	}
39
40	public Geometry getParent() { return parent; }
41	public int getIndex() { return index; }
42	}
43