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.jtsexample.geom;
34:
35: import com.vividsolutions.jts.geom.*;
36: import com.vividsolutions.jts.io.*;
37:
38: /**
39: * An example showing a simple use of JTS methods for:
40: * <ul>
41: * <li>WKT reading
42: * <li>intersection
43: * <li>relate
44: * <li>WKT output
45: * </ul>
46: * <p>
47: * The expected output from this program is:
48: * <pre>
49: * ----------------------------------------------------------
50: * A = POLYGON ((40 100, 40 20, 120 20, 120 100, 40 100))
51: * B = LINESTRING (20 80, 80 60, 100 140)
52: * A intersection B = LINESTRING (40 73.33333333333334, 80 60, 90 100)
53: * A relate C = 1F20F1102
54: * ----------------------------------------------------------
55: * </pre>
56: *
57: * @version 1.7
58: */
59: public class SimpleMethodsExample {
60: public static void main(String[] args) {
61: SimpleMethodsExample example = new SimpleMethodsExample();
62: try {
63: example.run();
64: } catch (Exception ex) {
65: ex.printStackTrace();
66: }
67: }
68:
69: public SimpleMethodsExample() {
70: }
71:
72: public void run() throws ParseException {
73: GeometryFactory fact = new GeometryFactory();
74: WKTReader wktRdr = new WKTReader(fact);
75:
76: String wktA = "POLYGON((40 100, 40 20, 120 20, 120 100, 40 100))";
77: String wktB = "LINESTRING(20 80, 80 60, 100 140)";
78: Geometry A = wktRdr.read(wktA);
79: Geometry B = wktRdr.read(wktB);
80: Geometry C = A.intersection(B);
81: System.out.println("A = " + A);
82: System.out.println("B = " + B);
83: System.out.println("A intersection B = " + C);
84: System.out.println("A relate C = " + A.relate(B));
85: }
86:
87: }
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