01: /*
02: * The JTS Topology Suite is a collection of Java classes that
03: * implement the fundamental operations required to validate a given
04: * geo-spatial data set to a known topological specification.
05: *
06: * Copyright (C) 2001 Vivid Solutions
07: *
08: * This library is free software; you can redistribute it and/or
09: * modify it under the terms of the GNU Lesser General Public
10: * License as published by the Free Software Foundation; either
11: * version 2.1 of the License, or (at your option) any later version.
12: *
13: * This library is distributed in the hope that it will be useful,
14: * but WITHOUT ANY WARRANTY; without even the implied warranty of
15: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16: * Lesser General Public License for more details.
17: *
18: * You should have received a copy of the GNU Lesser General Public
19: * License along with this library; if not, write to the Free Software
20: * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21: *
22: * For more information, contact:
23: *
24: * Vivid Solutions
25: * Suite #1A
26: * 2328 Government Street
27: * Victoria BC V8T 5G5
28: * Canada
29: *
30: * (250)385-6040
31: * www.vividsolutions.com
32: */
33: package com.vividsolutions.jts.noding;
34:
35: import java.util.*;
36:
37: /**
38: * Computes all intersections between segments in a set of {@link SegmentString}s.
39: * Intersections found are represented as {@link SegmentNode}s and added to the
40: * {@link SegmentString}s in which they occur.
41: * As a final step in the noding a new set of segment strings split
42: * at the nodes may be returned.
43: *
44: * @version 1.7
45: */
46: public interface Noder {
47:
48: /**
49: * Computes the noding for a collection of {@link SegmentString}s.
50: * Some Noders may add all these nodes to the input SegmentStrings;
51: * others may only add some or none at all.
52: *
53: * @param segStrings a collection of {@link SegmentString}s to node
54: */
55: void computeNodes(Collection segStrings);
56:
57: /**
58: * Returns a {@link Collection} of fully noded {@link SegmentStrings}.
59: * The SegmentStrings have the same context as their parent.
60: *
61: * @return a Collection of SegmentStrings
62: */
63: Collection getNodedSubstrings();
64:
65: }
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