Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/artifacts/uinfo/salix/SalixLineCalculator.java @ 9321:a978b601a034

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Salix: Fixed ArrrayoutOfBoundsException; minor cleanup
author gernotbelger
date Fri, 27 Jul 2018 10:25:09 +0200
parents 72b3270e1568
children b3d3c958a594
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.uinfo.salix;
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11
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12 import java.util.ArrayList;
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13 import java.util.HashMap;
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14 import java.util.List;
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15 import java.util.Map;
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16 import java.util.Map.Entry;
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17 import java.util.NavigableMap;
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18
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19 import org.dive4elements.river.artifacts.WINFOArtifact;
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20 import org.dive4elements.river.artifacts.access.ComputationRangeAccess;
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21 import org.dive4elements.river.artifacts.common.GeneralResultType;
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22 import org.dive4elements.river.artifacts.common.ResultRow;
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23 import org.dive4elements.river.artifacts.model.Calculation;
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24 import org.dive4elements.river.artifacts.model.WstValueTable;
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25 import org.dive4elements.river.artifacts.model.WstValueTable.QPosition;
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26 import org.dive4elements.river.artifacts.model.WstValueTableFactory;
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27 import org.dive4elements.river.artifacts.sinfo.common.GaugeDischargeValuesFinder;
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28 import org.dive4elements.river.artifacts.sinfo.common.RiverInfoProvider;
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29 import org.dive4elements.river.artifacts.sinfo.common.SInfoResultType;
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30 import org.dive4elements.river.artifacts.sinfo.tkhstate.WinfoArtifactWrapper;
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31 import org.dive4elements.river.artifacts.uinfo.UINFOArtifact;
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32 import org.dive4elements.river.artifacts.uinfo.commons.UInfoResultType;
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33 import org.dive4elements.river.artifacts.uinfo.salix.SalixLineAccess.ScenarioType;
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34 import org.dive4elements.river.model.Gauge;
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35 import org.dive4elements.river.model.MainValue;
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36 import org.dive4elements.river.model.MainValueType.MainValueTypeKey;
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37
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38 /**
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39 * Calculation of the result rows of the u-info salix line calc mode
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40 *
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41 * @author Matthias Schäfer
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42 */
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43 final class SalixLineCalculator {
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44
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45 private final List<ResultRow> rows = new ArrayList<>();
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46
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47 private final RiverInfoProvider riverInfoProvider;
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48
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49 private final Map<Gauge, QPosition> gaugeMwPos;
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50 private final Map<Gauge, QPosition> gaugeMnwPos;
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51 private final Map<Gauge, QPosition> gaugeMhwPos;
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52
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53 private Calculation problems;
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54
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55 private WstValueTable wst;
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56
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57 public SalixLineCalculator(final RiverInfoProvider riverInfoProvider) {
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58 this.riverInfoProvider = riverInfoProvider;
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59 this.gaugeMwPos = new HashMap<>();
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60 this.gaugeMnwPos = new HashMap<>();
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61 this.gaugeMhwPos = new HashMap<>();
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62 }
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63
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64 /**
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65 * Calculate the salix line result rows
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66 */
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67 public void execute(final Calculation problems, final UINFOArtifact uinfo, final NavigableMap<Double, List<Double>> rangeScenarios,
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68 final ScenarioType scenarioType, final String[] scenarioLabels, final SalixLineCalculationResults results) {
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69
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70 this.problems = problems;
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71 this.wst = WstValueTableFactory.getTable(this.riverInfoProvider.getRiver());
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72
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73 fetchGaugeMainValuePositions();
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74
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75 final WINFOArtifact winfo = new WinfoArtifactWrapper(uinfo);
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76 winfo.addStringData("ld_mode", "distance");
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77 winfo.addStringData("ld_step", "100");
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78 for (final double station : new ComputationRangeAccess(winfo).getKms()) {
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79 this.rows.add(createRow(station, rangeScenarios));
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80 }
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81 if (scenarioType == ScenarioType.REGIONAL)
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82 results.addResult(new SalixLineCalculationRegionalResult("Salix", scenarioLabels, this.rows), problems);
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83 else if (scenarioType == ScenarioType.SUPRAREGIONAL)
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84 results.addResult(new SalixLineCalculationSupraRegionalResult("Salix", this.rows), problems);
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85 else if (scenarioType == ScenarioType.HISTORICAL)
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86 results.addResult(new SalixLineCalculationHistoricalResult("Salix", this.rows), problems);
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87 else
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88 results.addResult(new SalixLineCalculationNoScenarioResult("Salix", this.rows), problems);
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89 }
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90
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91 /**
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92 * Fetch MW, MNW and MHW of all gauges and determine the wst QPosition for each one
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93 */
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94 private void fetchGaugeMainValuePositions() {
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95 this.gaugeMwPos.clear();
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96 this.gaugeMnwPos.clear();
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97 this.gaugeMhwPos.clear();
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98 for (final Gauge gauge : this.riverInfoProvider.getGauges()) {
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99 this.gaugeMwPos.put(gauge, null);
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100 this.gaugeMnwPos.put(gauge, null);
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101 this.gaugeMhwPos.put(gauge, null);
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102 final GaugeDischargeValuesFinder finder = GaugeDischargeValuesFinder.loadValues(gauge, this.problems);
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103 if (finder == null)
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104 continue;
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105 final double gaugeKm = gauge.getStation().doubleValue();
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106 for (final MainValue mv : MainValue.getValuesOfGaugeAndType(gauge, MainValueTypeKey.W)) {
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107 if (mv.getMainValue().getName().equalsIgnoreCase("mw"))
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108 this.gaugeMwPos.put(gauge, this.wst.getQPosition(gaugeKm, finder.getDischarge(mv.getValue().doubleValue())));
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109 else if (mv.getMainValue().getName().equalsIgnoreCase("mnw"))
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110 this.gaugeMnwPos.put(gauge, this.wst.getQPosition(gaugeKm, finder.getDischarge(mv.getValue().doubleValue())));
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111 else if (mv.getMainValue().getName().equalsIgnoreCase("mhw"))
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112 this.gaugeMhwPos.put(gauge, this.wst.getQPosition(gaugeKm, finder.getDischarge(mv.getValue().doubleValue())));
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113 }
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114 }
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115 }
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116
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117 /**
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118 * Create a result row for a station and its gauge, and add w-q-values as selected
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119 *
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120 * @param rangeScenarios2
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121 */
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122 private ResultRow createRow(final double station, final NavigableMap<Double, List<Double>> rangeScenarios) {
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123
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124 final ResultRow row = ResultRow.create();
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125 // Find station's gauge
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126 final Gauge gauge = this.riverInfoProvider.getGauge(station, true);
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127 row.putValue(GeneralResultType.station, station);
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128 // Interpolate mnw, mw, and mhw
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129 final double mnw = interpolateW(station, this.gaugeMnwPos.get(gauge));
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130 final double mw = interpolateW(station, this.gaugeMwPos.get(gauge));
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131 final double mhw = interpolateW(station, this.gaugeMhwPos.get(gauge));
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132 row.putValue(SInfoResultType.waterlevel, mnw);
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133 row.putValue(SInfoResultType.waterlevel1, mw);
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134 row.putValue(SInfoResultType.waterlevel2, mhw);
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135 // Calc salix-line and mw-mnw
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136 row.putValue(UInfoResultType.salixline, calcSalix(mhw, mw));
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137 row.putValue(UInfoResultType.salix_delta_mw, calcMwmnw(mw, mnw));
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138 // Calc scenario values (always all scenario types set, Result variant extracts the fields needed)
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139 final List<SalixScenario> scenarios = new ArrayList<>();
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140 final double[] deltaws = getDeltaWs(station, rangeScenarios);
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141 for (int i = 0; i <= deltaws.length - 1; i++) {
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142 if (Math.abs(deltaws[i]) < 0.0001) {
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143 row.putValue(UInfoResultType.salix_line_scenario, Double.NaN);
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144 row.putValue(UInfoResultType.salix_line_scenario_dwspl, 0); // TODO NaN when changed from int to double
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145 /* always need to add a member, so the exporter will produce empty columns */
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146 scenarios.add(null);
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147 } else {
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148 final double salix = calcSalix(mhw, mw + deltaws[i]);
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149 row.putValue(UInfoResultType.salix_line_scenario, salix);
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150 row.putValue(UInfoResultType.salix_line_scenario_dwspl, (int) (deltaws[i] * 100));
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151 scenarios.add(new SalixScenario((int) (deltaws[i] * 100), salix));
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152 }
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153 }
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154 row.putValue(UInfoResultType.customMultiRowColSalixRegionalValue_Dwspl, scenarios);
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155 return row;
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156 }
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157
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158 /**
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159 * Interpolates the W for a station with a fixed (virtual) wst column position
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160 */
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161 private double interpolateW(final double station, final QPosition qPosition) {
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162 if (qPosition != null)
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163 return this.wst.interpolateW(station, qPosition, this.problems);
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164
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165 return Double.NaN;
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166 }
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167
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168 /**
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169 * Calculates the salix value
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170 */
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171 private double calcSalix(final double mhw, final double mw) {
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172 return mhw - 2.31 - mw;
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173 }
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174
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175 /**
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176 * Calculates the inverse MW-MNW difference
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177 */
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178 private double calcMwmnw(final double mw, final double mnw) {
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179 return mnw - mw;
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180 }
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181
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182 /**
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183 * Gets the station-specific list of delta-ws of the active scenario, at least with one 0 item in any case
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184 *
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185 * @param rangeScenarios
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186 */
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187 private double[] getDeltaWs(final double station, final NavigableMap<Double, List<Double>> rangeScenarios) {
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188 final Entry<Double, List<Double>> stationScenarios = rangeScenarios.floorEntry(station);
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189 if (stationScenarios == null)
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190 return new double[] { 0.0 };
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191
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192 final double[] deltaws = new double[stationScenarios.getValue().size()];
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193 for (int i = 0; i <= stationScenarios.getValue().size() - 1; i++)
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194 deltaws[i] = stationScenarios.getValue().get(i);
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195 return deltaws;
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196 }
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197 }
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