Mercurial > dive4elements > river
comparison flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/Range.java @ 3786:4adc35aa655c
merged flys-artifacts/2.9.1
author | Thomas Arendsen Hein <thomas@intevation.de> |
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date | Fri, 28 Sep 2012 12:14:47 +0200 |
parents | 51f76225823b |
children | 048b3c3acd01 |
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3719:e82acd5c86f7 | 3786:4adc35aa655c |
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1 package de.intevation.flys.artifacts.model; | |
2 | |
3 import java.io.Serializable; | |
4 | |
5 public class Range implements Serializable { | |
6 | |
7 public static final double EPSILON = 1e-5; | |
8 | |
9 protected double start; | |
10 protected double end; | |
11 | |
12 public Range() { | |
13 } | |
14 | |
15 public Range(Range other) { | |
16 start = other.start; | |
17 end = other.end; | |
18 } | |
19 | |
20 public Range(double start, double end) { | |
21 this.start = start; | |
22 this.end = end; | |
23 } | |
24 | |
25 public double getStart() { | |
26 return start; | |
27 } | |
28 | |
29 public double getEnd() { | |
30 return end; | |
31 } | |
32 | |
33 public boolean disjoint(double ostart, double oend) { | |
34 return start > oend || ostart > end; | |
35 } | |
36 | |
37 public boolean disjoint(Range other) { | |
38 return start > other.end || other.start > end; | |
39 } | |
40 | |
41 public boolean intersects(Range other) { | |
42 return !disjoint(other); | |
43 } | |
44 | |
45 public void extend(Range other) { | |
46 if (other.start < start) start = other.start; | |
47 if (other.end > end ) end = other.end; | |
48 } | |
49 | |
50 public boolean clip(Range other) { | |
51 if (disjoint(other)) return false; | |
52 | |
53 if (other.start > start) start = other.start; | |
54 if (other.end < end ) end = other.end; | |
55 | |
56 return true; | |
57 } | |
58 | |
59 public boolean inside(double x) { | |
60 return x > start-EPSILON && x < end+EPSILON; | |
61 } | |
62 } | |
63 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |