Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/artifacts/model/Range.java @ 5863:4897a58c8746

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River artifacts: Added new copyright headers.
author Sascha L. Teichmann <teichmann@intevation.de>
date Sun, 28 Apr 2013 14:40:59 +0200
parents 5aa05a7a34b7
children af13ceeba52a
rev   line source
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4897a58c8746 River artifacts: Added new copyright headers.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5838
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1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
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2 * Software engineering by Intevation GmbH
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3 *
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4 * This file is Free Software under the GNU AGPL (>=v3)
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5 * and comes with ABSOLUTELY NO WARRANTY! Check out the
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6 * documentation coming with Dive4Elements River for details.
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7 */
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8
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bd047b71ab37 Repaired internal references
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9 package org.dive4elements.river.artifacts.model;
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10
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11 import java.io.Serializable;
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12
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13 /** A range from ... to .*/
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14 public class Range implements Serializable {
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15
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16 public static final double EPSILON = 1e-5;
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17
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18 protected double start;
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19 protected double end;
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20
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21 public Range() {
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22 }
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23
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24 public Range(Range other) {
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25 start = other.start;
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26 end = other.end;
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27 }
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28
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29 public Range(double start, double end) {
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30 this.start = start;
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31 this.end = end;
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32 }
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33
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34 public double getStart() {
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35 return start;
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36 }
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37
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38 public double getEnd() {
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39 return end;
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40 }
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41
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42 public boolean disjoint(double ostart, double oend) {
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43 return start > oend || ostart > end;
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44 }
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45
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46 public boolean disjoint(Range other) {
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47 return start > other.end || other.start > end;
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48 }
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49
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50 public boolean intersects(Range other) {
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51 return !disjoint(other);
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52 }
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53
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54 public void extend(Range other) {
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55 if (other.start < start) start = other.start;
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56 if (other.end > end ) end = other.end;
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57 }
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58
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59 public boolean clip(Range other) {
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60 if (disjoint(other)) return false;
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61
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62 if (other.start > start) start = other.start;
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63 if (other.end < end ) end = other.end;
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64
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65 return true;
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66 }
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67
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68 /** True if start>x<end (+ some epsilon) . */
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69 public boolean inside(double x) {
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70 return x > start-EPSILON && x < end+EPSILON;
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71 }
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72 }
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73 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org