Mercurial > dive4elements > river
annotate backend/src/main/java/org/dive4elements/river/model/FastCrossSectionLine.java @ 6229:3fea9701d58d
Fix gauge determination.
If we look upstream ( a > b ) we still have to compare
the start value of our range against the gauge and not the end
value. The start value is always the relevant value as we
handle the direction by checking this against A or B of the gauge.
Also:
I will never compare doubles with == again.
I will never compare doubles with == again.
I will never compare doubles with == again.
I will never compare doubles with == again.
I will never compare doubles with == again.
author | Andre Heinecke <aheinecke@intevation.de> |
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date | Thu, 06 Jun 2013 18:23:17 +0200 |
parents | 4c3ccf2b0304 |
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rev | line source |
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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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9 package org.dive4elements.river.model; |
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10 |
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11 import java.util.List; |
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12 import java.util.Comparator; |
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13 |
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14 import java.io.Serializable; |
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15 |
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16 import java.awt.geom.Point2D; |
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17 |
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18 public class FastCrossSectionLine |
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19 implements Serializable |
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20 { |
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21 public static final double EPSILON = 1e-5; |
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22 |
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23 public static final Comparator<FastCrossSectionLine> KM_CMP = |
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24 new Comparator<FastCrossSectionLine>() { |
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25 public int compare( |
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26 FastCrossSectionLine a, |
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27 FastCrossSectionLine b |
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28 ) { |
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29 double diff = a.km - b.km; |
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30 if (diff < -EPSILON) return -1; |
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31 return diff > +EPSILON ? +1 : 0; |
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32 } |
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33 }; |
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34 |
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35 protected double km; |
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36 protected List<Point2D> points; |
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37 |
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38 public FastCrossSectionLine() { |
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39 } |
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40 |
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41 public FastCrossSectionLine(double km) { |
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42 this.km = km; |
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43 } |
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44 |
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45 public FastCrossSectionLine(double km, List<Point2D> points) { |
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46 this(km); |
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47 this.points = points; |
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48 } |
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49 |
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50 public FastCrossSectionLine(CrossSectionLine csl) { |
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51 Double kmBD = csl.getKm(); |
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52 km = kmBD != null ? kmBD.doubleValue() : 0d; |
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53 points = csl.fetchCrossSectionLinesPoints(); |
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54 } |
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55 |
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56 public double getKm() { |
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57 return km; |
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58 } |
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59 |
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60 public void setKm(double km) { |
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61 this.km = km; |
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62 } |
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63 |
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64 public List<Point2D> getPoints() { |
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65 return points; |
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66 } |
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67 |
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68 public void setPoints(List<Point2D> points) { |
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69 this.points = points; |
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70 } |
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71 |
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72 public double [][] fetchCrossSectionProfile() { |
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73 return CrossSectionLine.fetchCrossSectionProfile(points); |
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74 } |
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75 } |
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76 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |