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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.sinfo.flowdepth; |
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11 |
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12 import java.util.ArrayList; |
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13 import java.util.Collection; |
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14 import java.util.Collections; |
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15 import java.util.List; |
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16 |
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17 import org.apache.commons.math.FunctionEvaluationException; |
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18 import org.apache.commons.math.analysis.UnivariateRealFunction; |
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19 import org.dive4elements.artifacts.ArtifactDatabase; |
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20 import org.dive4elements.artifacts.CallContext; |
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21 import org.dive4elements.river.artifacts.BedHeightsArtifact; |
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22 import org.dive4elements.river.artifacts.model.Calculation; |
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23 import org.dive4elements.river.artifacts.model.CalculationResult; |
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24 import org.dive4elements.river.artifacts.model.LocationProvider; |
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25 import org.dive4elements.river.artifacts.model.QKms; |
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26 import org.dive4elements.river.artifacts.model.WKms; |
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27 import org.dive4elements.river.artifacts.resources.Resources; |
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28 import org.dive4elements.river.artifacts.sinfo.SINFOArtifact; |
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29 import org.dive4elements.river.artifacts.sinfo.flowdepth.FlowDepthAccess.DifferencesPair; |
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30 import org.dive4elements.river.artifacts.states.WaterlevelData; |
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31 import org.dive4elements.river.artifacts.states.WaterlevelFetcher; |
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32 import org.dive4elements.river.model.BedHeight; |
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33 import org.dive4elements.river.model.BedHeightValue; |
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34 import org.dive4elements.river.model.Gauge; |
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35 import org.dive4elements.river.model.River; |
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36 import org.dive4elements.river.utils.DoubleUtil; |
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37 import org.dive4elements.river.utils.GaugeIndex; |
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38 import org.dive4elements.river.utils.RiverUtils; |
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39 |
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40 class FlowDepthCalculation { |
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41 |
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42 private static final String CSV_NOT_IN_GAUGE_RANGE = "export.waterlevel.csv.not.in.gauge.range"; |
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43 |
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44 private final CallContext context; |
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45 |
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46 public FlowDepthCalculation(final CallContext context) { |
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47 this.context = context; |
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48 } |
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49 |
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50 public CalculationResult calculate(final SINFOArtifact sinfo) { |
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51 |
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52 /* |
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53 * find the user of this artifact, sadly this is not part of the calling context, so instead we determine the |
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54 * owner oft the artifact |
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55 */ |
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56 final ArtifactDatabase database = this.context.getDatabase(); |
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57 final String user = database.findArtifactUser(sinfo.identifier()); |
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58 |
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59 /* access input data */ |
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60 final FlowDepthAccess access = new FlowDepthAccess(sinfo); |
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61 final River river = access.getRiver(); |
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62 |
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63 final Collection<DifferencesPair> diffPairs = access.getDifferencePairs(); |
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64 |
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65 final double from = access.getFrom(); |
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66 final double to = access.getTo(); |
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67 |
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68 final boolean useTkh = access.isUseTransportBodies(); |
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69 |
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70 /* calculate results for each diff pair */ |
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71 final Calculation problems = new Calculation(); |
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72 |
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73 final List<Gauge> gauges = river.determineGauges(from, to); |
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74 final GaugeIndex gaugeIndex = new GaugeIndex(gauges); |
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75 |
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76 final String calcModeLabel = Resources.getMsg(this.context.getMeta(), sinfo.getCalculationMode().name()); |
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77 |
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78 final FlowDepthCalculationResults results = new FlowDepthCalculationResults(calcModeLabel, user, river, from, to, useTkh); |
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79 |
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80 for (final DifferencesPair diffPair : diffPairs) { |
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81 final FlowDepthCalculationResult result = calculateResult(river, from, to, diffPair, problems, gaugeIndex); |
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82 if (result != null) |
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83 results.addResult(result); |
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84 } |
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85 |
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86 return new CalculationResult(results, problems); |
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87 } |
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88 |
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89 private FlowDepthCalculationResult calculateResult(final River river, final double from, final double to, final DifferencesPair diffPair, |
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90 final Calculation problems, final GaugeIndex gaugeIndex) { |
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91 |
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92 /* access real input data from database */ |
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93 final String soundingId = diffPair.getSoundingId(); |
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94 final String wstId = diffPair.getWstId(); |
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95 |
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96 final BedHeight bedHeight = loadBedHeight(soundingId, from, to); |
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97 if (bedHeight == null) { |
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98 final String message = Resources.format(this.context.getMeta(), "Failed to access sounding with id '{0}'", soundingId); |
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99 problems.addProblem(message); |
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100 return null; |
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101 } |
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102 |
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103 /* REMARK: fetch ALL wst kms, because we want to determine the original reference gauge */ |
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104 final WaterlevelData waterlevel = new WaterlevelFetcher().findWaterlevel(this.context, wstId, Double.NaN, Double.NaN); |
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105 if (waterlevel == null) { |
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106 final String message = Resources.format(this.context.getMeta(), "Failed to access waterlevel with id '{0}'", wstId); |
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107 problems.addProblem(message); |
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108 return null; |
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109 } |
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110 final WKms wstKms = waterlevel.getWkms(); |
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111 |
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112 final String wspLabel = wstKms.getName(); |
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113 final String soundingLabel = bedHeight.getDescription(); |
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114 final String label = String.format("%s - %s", wspLabel, soundingLabel); |
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115 |
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116 checkYearDifference(label, waterlevel, bedHeight, problems); |
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117 checkWaterlevelDiscretisation(wstKms, problems); |
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118 |
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119 /* re-determine the reference gauge, in the same way as the WaterlevelArtifact would do it */ |
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120 final String notinrange = Resources.getMsg(this.context.getMeta(), CSV_NOT_IN_GAUGE_RANGE, CSV_NOT_IN_GAUGE_RANGE); |
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121 |
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122 final Gauge refGauge = waterlevel.findReferenceGauge(river); |
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123 final String refGaugeName = refGauge == null ? notinrange : refGauge.getName(); |
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124 |
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125 final BedHeightInfo sounding = BedHeightInfo.from(bedHeight); |
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126 final int wspYear = waterlevel.getYear(); |
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127 final WstInfo wstInfo = new WstInfo(wspLabel, wspYear, refGaugeName); |
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128 |
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129 final FlowDepthCalculationResult resultData = new FlowDepthCalculationResult(label, wstInfo, sounding); |
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130 |
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131 // FIXME: nur prüfen/beschaffen wenn TKH Berechnung aktiv |
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132 /* Abflusswerte vorhanden? */ |
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133 if (!(wstKms instanceof QKms)) { |
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134 final String message = Resources.getMsg(this.context.getMeta(), "sinfo_calc_flow_depth.warning.missingQ", null, label); |
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135 problems.addProblem(message); |
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136 // TODO: keine Berechnung TKH |
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137 } |
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138 |
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139 // FIXME |
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140 // - Sohlbeschaffenheit (D50 Korndurchmesser aus Seddb) |
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141 // - Abhängig von Peiljahr |
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142 // - kein D50 vorhanden --> Fehler |
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143 |
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144 // FIXME |
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145 // - Art der Gewässersohle (starr/mobil) |
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146 |
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147 final String bedHeightLabel = bedHeight.getDescription(); |
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148 final String wstLabel = wstKms.getName(); |
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149 |
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150 final UnivariateRealFunction wstInterpolator = DoubleUtil.getLinearInterpolator(wstKms.allKms(), wstKms.allWs()); |
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151 |
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152 // FIXME: sort by station first, but in what direction? |
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153 final List<BedHeightValue> values = bedHeight.getValues(); |
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154 |
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155 final List<BedHeightValue> sortedValues = new ArrayList<>(values); |
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156 Collections.sort(sortedValues, new BedHeightStationComparator()); |
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157 |
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158 SoilKind lastKind = SoilKind.mobil; |
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159 |
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160 for (final BedHeightValue bedHeightValue : sortedValues) { |
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161 |
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162 final Double station = bedHeightValue.getStation(); |
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163 if (station == null || station.isNaN()) |
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164 continue; |
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165 |
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166 final Double meanBedHeightDbl = bedHeightValue.getHeight(); |
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167 if (meanBedHeightDbl == null || meanBedHeightDbl.isNaN()) |
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168 continue; |
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169 |
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170 final double km = station; |
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171 final double meanBedHeight = meanBedHeightDbl; |
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172 |
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173 try { |
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174 // FIXME: check out of range |
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175 final double wst = wstInterpolator.value(km); |
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176 |
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177 final double flowDepth = wst - meanBedHeight; |
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178 |
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179 // FIXME: piecewise constant interpolation? |
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180 // final double discharge = wstKms instanceof QKms ? ((QKms) wstKms).getQ(i) : Double.NaN; |
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181 final double discharge = Double.NaN; |
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182 |
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183 // FIXME: calculate tkh |
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184 |
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185 // REMARK: bissl spielerei zum testen damit die sohlart nicht zu schnell wechselt |
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186 final boolean changeKind = Math.random() > 0.95; |
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187 SoilKind kind; |
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188 if (changeKind) { |
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189 switch (lastKind) { |
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190 case starr: |
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191 kind = SoilKind.mobil; |
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192 break; |
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193 |
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194 case mobil: |
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195 default: |
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196 kind = SoilKind.starr; |
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197 break; |
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198 |
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199 } |
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200 } else |
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201 kind = lastKind; |
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202 lastKind = kind; |
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203 |
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204 final double tkh = 100 + 10 * (Math.random() - 0.5); |
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205 |
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206 final double flowDepthTkh; |
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207 final double tkhUp; |
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208 final double tkhDown; |
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209 switch (kind) { |
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210 case starr: |
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211 flowDepthTkh = wst - (meanBedHeight + tkh / 100); |
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212 tkhUp = tkh; |
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213 tkhDown = 0; |
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214 break; |
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215 |
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216 case mobil: |
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217 default: |
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218 flowDepthTkh = wst - (meanBedHeight + tkh / 200); |
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219 tkhUp = tkh / 2; |
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220 tkhDown = -tkh / 2; |
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221 break; |
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222 } |
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223 |
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224 |
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225 // REMARK: access the location once only during calculation |
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226 final String location = LocationProvider.getLocation(river.getName(), km); |
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227 |
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228 // REMARK: access the gauge once only during calculation |
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229 final Gauge gauge = findGauge(waterlevel, refGauge, gaugeIndex, km); |
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230 |
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231 final String gaugeLabel = gauge == null ? notinrange : gauge.getName(); |
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232 |
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233 resultData.addRow(km, flowDepth, flowDepthTkh, kind, tkh, tkhUp, tkhDown, wst, discharge, wstLabel, gaugeLabel, meanBedHeight, bedHeightLabel, |
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234 location); |
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235 } |
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236 catch (final FunctionEvaluationException e) { |
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237 /* should only happen if out of range */ |
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238 e.printStackTrace(); |
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239 /* simply ignore */ |
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240 } |
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241 |
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242 } |
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243 |
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244 return resultData; |
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245 } |
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246 |
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247 /** |
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248 * Checks the year difference between waterlevels and sounding, and issues a warning if too big. |
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249 * |
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250 * Zeitraum Zeitliche Differenz [a] |
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251 * X ≥ 1998 ± 3 |
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252 * 1958 ≤ X < 1998 ± 6 |
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253 * 1918 ≤ X < 1958 ± 12 |
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254 * X < 1918 ± 25 |
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255 */ |
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256 private void checkYearDifference(final String label, final WaterlevelData waterlevel, final BedHeight sounding, final Calculation problems) { |
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257 |
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258 final Integer soundingYear = sounding.getYear(); |
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259 if (soundingYear == null) |
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260 return; |
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261 |
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262 final int wstYear = waterlevel.getYear(); |
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263 if (wstYear < 0) |
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264 return; |
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265 |
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266 final int maxDifference = getMaxDifferenceYears(soundingYear); |
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267 |
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268 final int difference = Math.abs(soundingYear - wstYear); |
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269 if (difference > maxDifference) { |
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270 final String message = Resources.getMsg(this.context.getMeta(), "sinfo_calc_flow_depth.warning.year_difference", null, label, difference); |
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271 problems.addProblem(message); |
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272 } |
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273 } |
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274 |
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275 private int getMaxDifferenceYears(final int year) { |
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276 |
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277 if (year < 1918) |
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278 return 25; |
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279 |
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280 if (1918 <= year && year < 1958) |
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281 return 12; |
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282 |
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283 if (1958 <= year && year < 1998) |
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284 return 6; |
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285 |
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286 /* >= 1998 */ |
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287 return 3; |
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288 } |
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289 |
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290 private Gauge findGauge(final WaterlevelData waterlevel, final Gauge refGauge, final GaugeIndex gaugeIndex, final double km) { |
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291 |
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292 // REMARK: using same logic as in WaterlevelExporter here |
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293 |
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294 final boolean showAllGauges = waterlevel.isShowAllGauges(); |
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295 |
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296 if (showAllGauges) |
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297 return gaugeIndex.findGauge(km); |
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298 |
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299 if (refGauge.getRange().contains(km)) |
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300 return refGauge; |
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301 |
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302 return null; |
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303 } |
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304 |
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305 /* Checks if the discretisation of the waterlevel exceeds 1000m */ |
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306 // FIXME: vermutlich sollten wir diesen check auf den gültigkeitsbereich einschränken |
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307 private void checkWaterlevelDiscretisation(final WKms wstKms, final Calculation problems) { |
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308 final int size = wstKms.size(); |
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309 for (int i = 0; i < size - 2; i++) { |
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310 final double kmPrev = wstKms.getKm(i); |
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311 final double kmNext = wstKms.getKm(i + 1); |
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312 |
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313 if (Math.abs(kmPrev - kmNext) > 1) { |
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314 final String label = wstKms.getName(); |
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315 |
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316 final String message = Resources.getMsg(this.context.getMeta(), "sinfo_calc_flow_depth.warning.waterlevel_discretisation", null, label); |
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317 problems.addProblem(kmPrev, message); |
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318 } |
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319 } |
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320 } |
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321 |
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322 private BedHeight loadBedHeight(final String soundingId, final double from, final double to) { |
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323 |
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324 // REMARK: absolutely unbelievable.... |
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325 // The way how bed-heights (and other data too) is accessed is different for nearly ever calculation-type |
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326 // throughout flys. |
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327 // The knowledge on how to parse the datacage-ids is spread through the complete code-base... |
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328 |
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329 // We use here the way on how bed-heights are accessed by the BedDifferenceAccess/BedDifferenceCalculation, but |
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330 // this is plain random |
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331 final String[] parts = soundingId.split(";"); |
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332 |
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333 final BedHeightsArtifact artifact = (BedHeightsArtifact) RiverUtils.getArtifact(parts[0], this.context); |
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334 |
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335 final Integer bedheightId = artifact.getDataAsInteger("height_id"); |
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336 // REMARK: this only works with type 'single'; unclear on how to distinguish from epoch data (or whatever the |
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337 // other type means) |
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338 // Luckily, the requirement is to only access 'single' data here. |
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339 // final String bedheightType = artifact.getDataAsString("type"); |
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340 |
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341 // REMARK: BedDifferences uses this, but we also need the metadata of the BedHeight |
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342 // REMARK: second absolutely awful thing: BedHeight is a hibernate binding class, accessing the database via |
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343 // hibernate stuff |
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344 // BedHeightFactory uses its own (direct) way of accessing the data, with its own implemented data classes. |
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345 // return BedHeightFactory.getHeight(bedheightType, bedheightId, from, to); |
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346 |
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347 return BedHeight.getBedHeightById(bedheightId); |
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348 } |
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349 } |
