Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/Range.java @ 3468:f37e7e8907cb

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merged flys-artifacts/2.8.1
author Thomas Arendsen Hein <thomas@intevation.de>
date Fri, 28 Sep 2012 12:14:39 +0200
parents 086326be721c
children 51f76225823b
rev   line source
3138
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1 package de.intevation.flys.artifacts.model;
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2
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3 import java.io.Serializable;
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4
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5 public class Range implements Serializable {
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6
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7 public static final double EPSILON = 1e-5;
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8
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9 protected double start;
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10 protected double end;
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11
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12 public Range() {
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13 }
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14
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15 public Range(Range other) {
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16 start = other.start;
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17 end = other.end;
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18 }
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19
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20 public Range(double start, double end) {
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21 this.start = start;
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22 this.end = end;
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23 }
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24
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25 public double getStart() {
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26 return start;
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27 }
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28
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29 public double getEnd() {
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30 return end;
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31 }
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32
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33 public boolean disjoint(Range other) {
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34 return start > other.end || other.start > end;
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35 }
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36
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37 public boolean intersects(Range other) {
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38 return !disjoint(other);
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39 }
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40
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41 public void extend(Range other) {
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42 if (other.start < start) start = other.start;
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43 if (other.end > end ) end = other.end;
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44 }
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45
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46 public boolean clip(Range other) {
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47 if (disjoint(other)) return false;
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48
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49 if (other.start > start) start = other.start;
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50 if (other.end < end ) end = other.end;
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51
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52 return true;
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53 }
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54
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55 public boolean inside(double x) {
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56 return x > start-EPSILON && x < end+EPSILON;
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57 }
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58 }
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59 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org