Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/artifacts/model/river/RiverInfoProvider.java @ 9528:55c187a0a31e

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Fixed: consistent gauge assignment with downstream gauge as reference gauge for calc range starting at a gauge range limit
author mschaefer
date Tue, 02 Oct 2018 16:39:51 +0200
parents 1722727803f7
children
rev   line source
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1 /** Copyright (C) 2017 by Bundesanstalt für Gewässerkunde
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2 * Software engineering by
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3 * Björnsen Beratende Ingenieure GmbH
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4 * Dr. Schumacher Ingenieurbüro für Wasser und Umwelt
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5 *
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6 * This file is Free Software under the GNU AGPL (>=v3)
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7 * and comes with ABSOLUTELY NO WARRANTY! Check out the
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8 * documentation coming with Dive4Elements River for details.
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9 */
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10 package org.dive4elements.river.artifacts.model.river;
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11
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12 import java.util.List;
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13
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14 import org.apache.commons.lang.math.DoubleRange;
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15 import org.dive4elements.artifacts.CallContext;
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16 import org.dive4elements.river.artifacts.model.LocationProvider;
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17 import org.dive4elements.river.artifacts.model.WKms;
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18 import org.dive4elements.river.artifacts.resources.Resources;
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19 import org.dive4elements.river.artifacts.states.WaterlevelData;
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20 import org.dive4elements.river.model.Gauge;
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21 import org.dive4elements.river.model.River;
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22 import org.dive4elements.river.utils.GaugeIndex;
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23
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24 /**
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25 * @author Gernot Belger
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26 *
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27 */
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28 public final class RiverInfoProvider {
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29
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30 private static final String CSV_NOT_IN_GAUGE_RANGE = "export.waterlevel.csv.not.in.gauge.range";
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31
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32 private final River river;
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33 private final GaugeIndex gaugeIndex;
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34 private final Gauge refGauge;
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35 private final boolean showAllGauges;
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36 private final String notinrange;
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37
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38 public static RiverInfoProvider forRange(final CallContext context, final River river, final DoubleRange calcRange) {
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39
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40 final List<Gauge> gauges;
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41 if (calcRange == null)
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42 gauges = river.getGauges();
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43 else
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44 gauges = river.determineGauges(calcRange.getMinimumDouble(), calcRange.getMaximumDouble());
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45
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46 final GaugeIndex gaugeIndex = new GaugeIndex(gauges);
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47
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48 final String notinrange = Resources.getMsg(context.getMeta(), CSV_NOT_IN_GAUGE_RANGE, CSV_NOT_IN_GAUGE_RANGE);
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49
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50 return new RiverInfoProvider(notinrange, river, false, gaugeIndex, null);
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51 }
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52
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53 private RiverInfoProvider(final String notinrange, final River river, final boolean showAllGauges, final GaugeIndex gaugeIndex, final Gauge refGauge) {
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54 this.notinrange = notinrange;
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55 this.river = river;
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56 this.showAllGauges = showAllGauges;
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57 this.gaugeIndex = gaugeIndex;
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58 this.refGauge = refGauge;
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59 }
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60
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61 /**
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62 * Creates a new provider as a copy of this one, re-determining the reference gauge by a waterlevel
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63 */
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64 public RiverInfoProvider forWaterlevel(final WaterlevelData waterlevel) {
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65 final WKms wstKms = waterlevel.getWkms();
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66 final Gauge waterlevelRefGauge = findReferenceGauge(wstKms);
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67 final boolean waterlevelShowAllGauges = waterlevel.isShowAllGauges();
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68
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69 return new RiverInfoProvider(this.notinrange, this.river, waterlevelShowAllGauges, this.gaugeIndex, waterlevelRefGauge);
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70 }
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71
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72 /**
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73 * Create a new provider as a copy of this one, re-determining the reference gauge by the upstream side of a range
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74 */
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75 public RiverInfoProvider forReferenceRange(final DoubleRange range, final boolean isShowAllGauges) {
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76 final Gauge kmRefGauge = findReferenceGauge(range);
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77 return new RiverInfoProvider(this.notinrange, this.river, isShowAllGauges, this.gaugeIndex, kmRefGauge);
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78 }
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79
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80 /**
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81 * Determines the reference gauge, in the same way as the WaterlevelArtifact would do it
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82 */
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83 private Gauge findReferenceGauge(final WKms wkms) {
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84
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85 final double[] wstFromTo = findWstFromTo(wkms);
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86 return this.river.determineRefGauge(wstFromTo, true);
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87 }
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88
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89 /**
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90 * Determines the reference gauge for a km range of the active river
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91 */
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92 private Gauge findReferenceGauge(final DoubleRange range) {
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93
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94 final double from = range.getMinimumDouble();
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95 final double to = range.getMaximumDouble();
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96 final boolean waterIncreasing = this.river.getKmUp();
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97 final double[] wstFromTo = waterIncreasing ? new double[] { to, from } : new double[] { from, to };
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98 return this.river.determineRefGauge(wstFromTo, true);
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99 }
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100
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101 private static double[] findWstFromTo(final WKms wkms) {
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102
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103 final double from = wkms.getKm(0);
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104 final double to = wkms.getKm(wkms.size() - 1);
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105
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106 final boolean waterIncreasing = wkms.guessWaterIncreasing();
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107 if (waterIncreasing)
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108 return new double[] { to, from };
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109
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110 return new double[] { from, to };
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111 }
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112
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113 public String getLocation(final double km) {
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114 return LocationProvider.getLocation(this.river.getName(), km);
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115 }
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116
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117 public String findGauge(final double km) {
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118 // REMARK: access the gauge once only during calculation
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119 final Gauge gauge = getGauge(km);
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120
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121 return gauge == null ? this.notinrange : gauge.getName();
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122 }
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123
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124 public Gauge getGauge(final double km) {
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125
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126 // REMARK: using same logic as in WaterlevelExporter here
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127
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128 return getGauge(km, this.showAllGauges);
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129 }
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130
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131 public Gauge getGauge(final double km, final boolean allGauges) {
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132 if (allGauges)
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133 return this.gaugeIndex.findGauge(km);
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134
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135 if ((this.refGauge != null) && this.refGauge.getRange().contains(km))
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136 return this.refGauge;
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137
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138 return null;
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139 }
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140
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141 public String getReferenceGauge() {
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142 return this.refGauge == null ? this.notinrange : this.refGauge.getName();
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143 }
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144
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145 public River getRiver() {
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146 return this.river;
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147 }
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148
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149 public List<Gauge> getGauges() {
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150 return this.gaugeIndex.getGauges();
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151 }
8915
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152 }
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