Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/Range.java @ 3304:02d5731b43a2

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
SQ relation: Build a valid SQResult. flys-artifacts/trunk@4989 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Fri, 13 Jul 2012 11:12:35 +0000
parents 9c147bbffc36
children 086326be721c
rev   line source
3138
9c147bbffc36 FixA: Move Range out of FixingsOverview
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1 package de.intevation.flys.artifacts.model;
9c147bbffc36 FixA: Move Range out of FixingsOverview
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
2
9c147bbffc36 FixA: Move Range out of FixingsOverview
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
3 import java.io.Serializable;
9c147bbffc36 FixA: Move Range out of FixingsOverview
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
4
9c147bbffc36 FixA: Move Range out of FixingsOverview
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
5 public class Range implements Serializable {
9c147bbffc36 FixA: Move Range out of FixingsOverview
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
6
9c147bbffc36 FixA: Move Range out of FixingsOverview
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
7 public static final double EPSILON = 1e-5;
9c147bbffc36 FixA: Move Range out of FixingsOverview
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
8
9c147bbffc36 FixA: Move Range out of FixingsOverview
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
9 protected double start;
9c147bbffc36 FixA: Move Range out of FixingsOverview
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
10 protected double end;
9c147bbffc36 FixA: Move Range out of FixingsOverview
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
11
9c147bbffc36 FixA: Move Range out of FixingsOverview
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
12 public Range() {
9c147bbffc36 FixA: Move Range out of FixingsOverview
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
13 }
9c147bbffc36 FixA: Move Range out of FixingsOverview
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
14
9c147bbffc36 FixA: Move Range out of FixingsOverview
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
15 public Range(double start, double end) {
9c147bbffc36 FixA: Move Range out of FixingsOverview
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
16 this.start = start;
9c147bbffc36 FixA: Move Range out of FixingsOverview
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
17 this.end = end;
9c147bbffc36 FixA: Move Range out of FixingsOverview
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
18 }
9c147bbffc36 FixA: Move Range out of FixingsOverview
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
19
9c147bbffc36 FixA: Move Range out of FixingsOverview
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
20 public double getStart() {
9c147bbffc36 FixA: Move Range out of FixingsOverview
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
21 return start;
9c147bbffc36 FixA: Move Range out of FixingsOverview
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
22 }
9c147bbffc36 FixA: Move Range out of FixingsOverview
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
23
9c147bbffc36 FixA: Move Range out of FixingsOverview
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
24 public double getEnd() {
9c147bbffc36 FixA: Move Range out of FixingsOverview
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
25 return end;
9c147bbffc36 FixA: Move Range out of FixingsOverview
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
26 }
9c147bbffc36 FixA: Move Range out of FixingsOverview
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
27
9c147bbffc36 FixA: Move Range out of FixingsOverview
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
28 public boolean disjoint(Range other) {
9c147bbffc36 FixA: Move Range out of FixingsOverview
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
29 return start > other.end || other.start > end;
9c147bbffc36 FixA: Move Range out of FixingsOverview
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
30 }
9c147bbffc36 FixA: Move Range out of FixingsOverview
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
31
9c147bbffc36 FixA: Move Range out of FixingsOverview
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
32 public boolean intersects(Range other) {
9c147bbffc36 FixA: Move Range out of FixingsOverview
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
33 return !disjoint(other);
9c147bbffc36 FixA: Move Range out of FixingsOverview
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
34 }
9c147bbffc36 FixA: Move Range out of FixingsOverview
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
35
9c147bbffc36 FixA: Move Range out of FixingsOverview
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
36 public void extend(Range other) {
9c147bbffc36 FixA: Move Range out of FixingsOverview
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
37 if (other.start < start) start = other.start;
9c147bbffc36 FixA: Move Range out of FixingsOverview
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
38 if (other.end > end ) end = other.end;
9c147bbffc36 FixA: Move Range out of FixingsOverview
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
39 }
9c147bbffc36 FixA: Move Range out of FixingsOverview
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
40
9c147bbffc36 FixA: Move Range out of FixingsOverview
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
41 public boolean clip(Range other) {
9c147bbffc36 FixA: Move Range out of FixingsOverview
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
42 if (disjoint(other)) return false;
9c147bbffc36 FixA: Move Range out of FixingsOverview
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
43
9c147bbffc36 FixA: Move Range out of FixingsOverview
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
44 if (other.start > start) start = other.start;
9c147bbffc36 FixA: Move Range out of FixingsOverview
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
45 if (other.end < end ) end = other.end;
9c147bbffc36 FixA: Move Range out of FixingsOverview
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
46
9c147bbffc36 FixA: Move Range out of FixingsOverview
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
47 return true;
9c147bbffc36 FixA: Move Range out of FixingsOverview
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
48 }
9c147bbffc36 FixA: Move Range out of FixingsOverview
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
49
9c147bbffc36 FixA: Move Range out of FixingsOverview
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
50 public boolean inside(double x) {
9c147bbffc36 FixA: Move Range out of FixingsOverview
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
51 return x > start-EPSILON && x < end+EPSILON;
9c147bbffc36 FixA: Move Range out of FixingsOverview
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
52 }
9c147bbffc36 FixA: Move Range out of FixingsOverview
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
53 }
9c147bbffc36 FixA: Move Range out of FixingsOverview
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
54 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org