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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.flowdepthminmax; |
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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 |
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15 import org.apache.commons.lang.math.DoubleRange; |
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16 import org.dive4elements.artifacts.CallContext; |
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17 import org.dive4elements.river.artifacts.model.Calculation; |
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18 import org.dive4elements.river.artifacts.model.CalculationResult; |
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19 import org.dive4elements.river.artifacts.model.WKms; |
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20 import org.dive4elements.river.artifacts.resources.Resources; |
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21 import org.dive4elements.river.artifacts.sinfo.SINFOArtifact; |
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22 import org.dive4elements.river.artifacts.sinfo.common.RiverInfoProvider; |
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23 import org.dive4elements.river.artifacts.sinfo.flowdepth.FlowDepthUtils; |
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24 import org.dive4elements.river.artifacts.sinfo.flowdepthminmax.FlowDepthMinMaxAccess.MinMaxIdPair; |
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25 import org.dive4elements.river.artifacts.sinfo.tkhcalculation.DischargeValuesFinder; |
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26 import org.dive4elements.river.artifacts.sinfo.tkhcalculation.WaterlevelValuesFinder; |
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27 import org.dive4elements.river.artifacts.sinfo.tkhstate.BedHeightsFinder; |
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28 import org.dive4elements.river.artifacts.sinfo.util.BedHeightInfo; |
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29 import org.dive4elements.river.artifacts.sinfo.util.CalculationUtils; |
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30 import org.dive4elements.river.artifacts.sinfo.util.RiverInfo; |
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31 import org.dive4elements.river.artifacts.sinfo.util.WstInfo; |
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32 import org.dive4elements.river.artifacts.states.WaterlevelData; |
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33 import org.dive4elements.river.artifacts.states.WaterlevelFetcher; |
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34 import org.dive4elements.river.model.River; |
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35 |
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36 /** |
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37 * @author Gernot Belger |
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38 */ |
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39 final class FlowDepthMinMaxCalculation { |
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40 |
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41 private final CallContext context; |
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42 |
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43 public FlowDepthMinMaxCalculation(final CallContext context) { |
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44 this.context = context; |
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45 } |
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46 |
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47 public CalculationResult calculate(final SINFOArtifact sinfo) { |
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48 |
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49 final String user = CalculationUtils.findArtifactUser(this.context, sinfo); |
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50 |
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51 /* access input data */ |
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52 final FlowDepthMinMaxAccess access = new FlowDepthMinMaxAccess(sinfo); |
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53 final River river = access.getRiver(); |
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54 final RiverInfo riverInfo = new RiverInfo(river); |
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55 |
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56 final Collection<MinMaxIdPair> minMaxPairs = access.getMinMaxPairs(); |
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57 |
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58 final DoubleRange calcRange = access.getRange(); |
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59 |
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60 /* calculate results for each diff pair */ |
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61 final Calculation problems = new Calculation(); |
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62 |
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63 final RiverInfoProvider infoProvider = RiverInfoProvider.forRange(this.context, river, calcRange); |
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64 |
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65 final String calcModeLabel = Resources.getMsg(this.context.getMeta(), sinfo.getCalculationMode().name()); |
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66 |
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67 final FlowDepthMinMaxCalculationResults results = new FlowDepthMinMaxCalculationResults(calcModeLabel, user, riverInfo, calcRange); |
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68 |
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69 for (final MinMaxIdPair minMaxPair : minMaxPairs) { |
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70 final FlowDepthMinMaxCalculationResult result = calculateResult(calcRange, minMaxPair, problems, infoProvider); |
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71 if (result != null) |
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72 results.addResult(result); |
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73 } |
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74 |
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75 return new CalculationResult(results, problems); |
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76 } |
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77 |
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78 /** |
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79 * Calculates one W-MSH differences pair. |
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80 * |
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81 * @param infoProvider |
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82 */ |
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83 private FlowDepthMinMaxCalculationResult calculateResult(final DoubleRange calcRange, final MinMaxIdPair minMaxPair, final Calculation problems, |
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84 final RiverInfoProvider infoProvider) { |
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85 |
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86 /* access real input data from database */ |
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87 final String wstId = minMaxPair.getWstId(); |
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88 final String minSoundingId = minMaxPair.getMinSoundingId(); |
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89 final String maxSoundingId = minMaxPair.getMinSoundingId(); |
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90 |
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91 final BedHeightsFinder minBedHeight = minSoundingId == null ? null : BedHeightsFinder.forId(this.context, minSoundingId, calcRange, problems); |
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92 final BedHeightsFinder maxBedHeight = maxSoundingId == null ? null : BedHeightsFinder.forId(this.context, maxSoundingId, calcRange, problems); |
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93 if (minBedHeight == null && maxBedHeight == null) |
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94 return null; |
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95 |
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96 /* REMARK: fetch ALL wst kms, because we want to determine the original reference gauge */ |
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97 final WaterlevelData waterlevel = new WaterlevelFetcher().findWaterlevel(this.context, wstId, Double.NaN, Double.NaN, problems); |
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98 if (waterlevel == null) |
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99 return null; |
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100 |
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101 final String label = createLabel(waterlevel, minBedHeight, maxBedHeight); |
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102 |
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103 final WKms wstKms = waterlevel.getWkms(); |
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104 |
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105 final int soundingYear = checkSoundingYear(minBedHeight, maxBedHeight, problems); |
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106 FlowDepthUtils.checkYearDifference(label, waterlevel, soundingYear, problems); |
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107 // FIXME |
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108 // checkWaterlevelDiscretisation(wstKms, calcRange, problems); |
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109 // TODO: prüfen, ob sohlhöhen die calcRange abdecken/überschneiden |
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110 |
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111 /* re-determine the reference gauge, in the same way as the WaterlevelArtifact would do it */ |
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112 final RiverInfoProvider riverInfoProvider = infoProvider.forWaterlevel(waterlevel); |
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113 |
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114 final int wspYear = waterlevel.getYear(); |
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115 final WstInfo wstInfo = new WstInfo(waterlevel.getName(), wspYear, riverInfoProvider.getReferenceGauge()); |
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116 |
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117 final WaterlevelValuesFinder waterlevelProvider = WaterlevelValuesFinder.fromKms(wstKms); |
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118 final DischargeValuesFinder dischargeProvider = DischargeValuesFinder.fromKms(wstKms); |
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119 |
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120 final String waterlevelLabel = waterlevel.getName(); |
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121 final String soundingLabel = buildSoundingLabel(minBedHeight, maxBedHeight); |
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122 |
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123 /* real calculation loop */ |
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124 final Collection<FlowDepthMinMaxRow> rows = new ArrayList<>(); |
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125 |
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126 // FIXME: determine what is the spatial discretisation that we will use... |
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127 final double[] allKms = wstKms.allKms().toNativeArray(); |
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128 for (final double station : allKms) { |
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129 if (calcRange.containsDouble(station)) { |
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130 |
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131 final double wst = waterlevelProvider.getWaterlevel(station); |
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132 final double discharge = dischargeProvider.getDischarge(station); |
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133 |
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134 final double minBedHeightValue = minBedHeight == null ? Double.NaN : minBedHeight.getMeanBedHeight(station); |
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135 final double maxBedHeightValue = maxBedHeight == null ? Double.NaN : maxBedHeight.getMeanBedHeight(station); |
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136 |
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137 final double minFlowDepth = wst - minBedHeightValue; |
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138 final double maxFlowDepth = wst - maxBedHeightValue; |
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139 |
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140 // FIXME: unclear what is meant here... |
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141 final double meanBedHeight = Double.NaN; |
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142 |
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143 // REMARK: access the location once only during calculation |
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144 final String location = riverInfoProvider.getLocation(station); |
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145 |
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146 // REMARK: access the gauge once only during calculation |
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147 final String gaugeLabel = riverInfoProvider.findGauge(station); |
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148 |
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149 rows.add(new FlowDepthMinMaxRow(station, minFlowDepth, maxFlowDepth, wst, discharge, waterlevelLabel, gaugeLabel, meanBedHeight, soundingLabel, |
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150 location)); |
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151 } |
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152 } |
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153 |
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154 final BedHeightInfo minBedHeightInfo = minBedHeight == null ? null : minBedHeight.getInfo(); |
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155 final BedHeightInfo maxBedHeightInfo = maxBedHeight == null ? null : maxBedHeight.getInfo(); |
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156 return new FlowDepthMinMaxCalculationResult(label, wstInfo, minBedHeightInfo, maxBedHeightInfo, rows); |
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157 } |
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158 |
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159 private String buildSoundingLabel(final BedHeightsFinder minBedHeight, final BedHeightsFinder maxBedHeight) { |
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160 |
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161 if (minBedHeight == null) |
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162 return maxBedHeight.getInfo().getDescription(); |
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163 |
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164 if (maxBedHeight == null) |
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165 return minBedHeight.getInfo().getDescription(); |
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166 |
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167 return String.format("%s / %s", minBedHeight.getInfo().getDescription(), maxBedHeight.getInfo().getDescription()); |
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168 } |
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169 |
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170 private String createLabel(final WaterlevelData waterlevel, final BedHeightsFinder minBedHeight, final BedHeightsFinder maxBedHeight) { |
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171 |
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172 final StringBuilder buffer = new StringBuilder(waterlevel.getName()); |
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173 |
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174 if (minBedHeight != null) |
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175 buffer.append(" - "). // |
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176 append(minBedHeight.getInfo().getDescription()); |
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177 |
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178 if (maxBedHeight != null) |
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179 buffer.append(" - "). // |
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180 append(maxBedHeight.getInfo().getDescription()); |
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181 |
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182 return buffer.toString(); |
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183 } |
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184 |
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185 private int checkSoundingYear(final BedHeightsFinder minBedHeight, final BedHeightsFinder maxBedHeight, final Calculation problems) { |
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186 |
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187 if (maxBedHeight == null) |
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188 return minBedHeight.getInfo().getYear(); |
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189 |
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190 if (minBedHeight == null) |
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191 return maxBedHeight.getInfo().getYear(); |
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192 |
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193 final int minYear = minBedHeight.getInfo().getYear(); |
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194 final int maxYear = minBedHeight.getInfo().getYear(); |
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195 |
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196 if (minYear != maxYear) |
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197 problems.addProblem("sinfo.flowdepthminmaxcalculation.soundingyear.different"); |
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198 |
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199 return minYear; |
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200 } |
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201 } |
