Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/artifacts/model/Range.java @ 9415:9744ce3c3853

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Rework of fixanalysis computation and dWt and WQ facets. Got rid of strange remapping and bitshifting code by explicitely saving the column information and using it in the facets. The facets also put the valid station range into their xml-metadata
author gernotbelger
date Thu, 16 Aug 2018 16:27:53 +0200
parents 1e97d2e95410
children
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.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 private double start;
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19 private 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 void setStart(double start) {
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35 this.start = start;
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36 }
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37
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38 public double getStart() {
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39 return start;
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40 }
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41
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42
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43 public void setEnd(double end) {
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44 this.end = end;
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45 }
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46
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47 public double getEnd() {
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48 return end;
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49 }
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50
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51 public boolean disjoint(double ostart, double oend) {
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52 return start > oend || ostart > end;
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53 }
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54
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55 public boolean disjoint(Range other) {
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56 return start > other.end || other.start > end;
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57 }
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58
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59 public boolean intersects(Range other) {
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60 return !disjoint(other);
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61 }
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62
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63 public void extend(Range other) {
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64 if (other.start < start) start = other.start;
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65 if (other.end > end ) end = other.end;
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66 }
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67
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68 public boolean clip(Range other) {
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69 if (disjoint(other)) return false;
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70
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71 if (other.start > start) start = other.start;
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72 if (other.end < end ) end = other.end;
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73
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74 return true;
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75 }
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76
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77 /** True if start>x<end (+ some epsilon) . */
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78 public boolean inside(double x) {
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79 return x > start-EPSILON && x < end+EPSILON;
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80 }
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81
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82 public boolean contains(double x) {
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83 return inside(x);
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84 }
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85
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86
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87 /** Hash Code. */
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88 @Override
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89 public int hashCode() {
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90 return new Double(this.start).hashCode() ^
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91 new Double(this.end).hashCode();
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92 }
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93
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94
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95 /**
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96 * Compares start and end values with some epsilon.
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97 */
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98 @Override
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99 public boolean equals(Object otherRange) {
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100 if (otherRange instanceof Range) {
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101 Range oRange = (Range) otherRange;
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102 return
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103 Math.abs(oRange.start - this.start) <= EPSILON
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104 && Math.abs(oRange.end - this.end) <= EPSILON;
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105 }
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106 return false;
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107 }
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108
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109 /** Returns clone with same start and end values. */
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110 @Override
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111 public Object clone() {
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112 return new Range(this.start, this.end);
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113 }
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114
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115 public String toString() {
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116 return "[Range: start=" + start + " end=" + end + "]";
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117 }
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118 }
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119 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org