Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/artifacts/model/minfo/BedDiffCalculation.java @ 6665:b7945db8a43b

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issue1413: Only show unknown sediment loads of selected unit type. Therefore, adjusted the factory to take the units name. Unfortunately, names in db do not match values of data items. Thus do manual replacing. In Facet and Calculate, take the chosen unit via access and to the string replacement. In Facet, do not transform data (we assume it comes in unit as labeled in the db), and removed the possibility of m3/a-data of unknown yields in a t/a diagram and vice versa.
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Thu, 25 Jul 2013 15:08:13 +0200
parents 7d86ed4537d9
children d4108d6c4000
rev   line source
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Sascha L. Teichmann <teichmann@intevation.de>
parents: 5838
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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 package org.dive4elements.river.artifacts.model.minfo;
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9
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10 import gnu.trove.TDoubleArrayList;
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11
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12 import java.util.Date;
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13
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14 import org.apache.log4j.Logger;
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15
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16 import org.dive4elements.artifacts.CallContext;
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17 import org.dive4elements.river.artifacts.access.BedDifferencesAccess;
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18 import org.dive4elements.river.artifacts.model.Calculation;
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19 import org.dive4elements.river.artifacts.model.CalculationResult;
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20
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21 /**
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22 * Perform calculation of differences of bed height (german Sohlhoehe).
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23 * The input are either single year data or epochs.
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24 */
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25 public class BedDiffCalculation
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26 extends Calculation
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27 {
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28 private static final Logger logger =
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29 Logger.getLogger(BedDiffCalculation.class);
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30
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31 protected String river;
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32 protected String yearEpoch;
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33 protected int [][] heightIds;
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34
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35 public BedDiffCalculation() {
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36 }
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37
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38 public CalculationResult calculate(BedDifferencesAccess access, CallContext context) {
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39 logger.info("BedDiffCalculation.calculate");
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40
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41 String river = access.getRiver();
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42 String yearEpoch = access.getYearEpoch();
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43 int [][] heightIds = access.extractHeightIds(context);
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44
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45 if (river == null) {
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46 // TODO: i18n
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47 addProblem("minfo.missing.river");
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48 }
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49
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50 if (yearEpoch == null) {
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51 addProblem("minfo.missing.year_epoch");
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52 }
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53
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54 if (!hasProblems()) {
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55 this.river = river;
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56 this.yearEpoch = yearEpoch;
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57 this.heightIds = heightIds;
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58 return internalCalculate();
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59 }
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60
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61 return new CalculationResult();
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62 }
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63
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64 private CalculationResult internalCalculate() {
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65
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66 BedDiffYearResult [] results = new BedDiffYearResult[heightIds.length];
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67
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68 for (int i = 0; i < heightIds.length; i++) {
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69 BedHeight [] pair = getHeightPair(heightIds[i], "single");
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70 results[i] = calculateYearDifference(pair);
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71 }
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72 return new CalculationResult(results, this);
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73 // Currently epochs are handled like single years. To handle epochs
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74 // uncomment the follwing code and use an if-clause in the code above.
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75 /*
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76 if (yearEpoch.equals("epoch")) {
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77 BedDiffEpochResult [] results = new BedDiffEpochResult[heightIds.length];
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78
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79 for (int i = 0; i < heightIds.length; i++) {
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80 BedHeight[] pair = getHeightPair(heightIds[i], "epoch");
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81 results[i] = calculateEpochDifference(pair);
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82 }
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83 return new CalculationResult(results, this);
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84 }
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85
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86 return new CalculationResult();
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87 */
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88 }
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89
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90 /** Get two BedHeights from factory. */
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91 private static BedHeight [] getHeightPair(int [] ids, String type) {
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92 return new BedHeight [] {
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93 BedHeightFactory.getHeight(type, ids[0], 0),
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94 BedHeightFactory.getHeight(type, ids[1], 0)
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95 };
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96 }
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97
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98 private BedDiffEpochResult calculateEpochDifference(BedHeight[] pair) {
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99
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100 BedHeight bh1 = pair[0];
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101 BedHeight bh2 = pair[1];
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102
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103 TDoubleArrayList stations = bh1.getStations();
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104 int size = stations.size();
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105
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106 TDoubleArrayList diffRes = new TDoubleArrayList(size);
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107 TDoubleArrayList kms = new TDoubleArrayList(size);
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108 TDoubleArrayList heights1 = new TDoubleArrayList(size);
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109 TDoubleArrayList heights2 = new TDoubleArrayList(size);
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110
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111 for (int i = 0; i < size; i++) {
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112 double station = stations.getQuick(i);
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113 double h1 = bh1.getHeight(station);
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114 double h2 = bh2.getHeight(station);
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115 double hDiff = h1 - h2;
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116 if (!Double.isNaN(hDiff)) {
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117 diffRes.add(hDiff);
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118 kms.add(station);
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119 heights1.add(h1);
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120 heights2.add(h2);
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121 }
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122 }
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123 Date start = ((BedHeightEpoch)bh1).getStart();
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124 Date end = ((BedHeightEpoch)bh2).getEnd();
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125 return new BedDiffEpochResult(kms, diffRes, heights1, heights2, start, end);
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126 }
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127
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128 private BedDiffYearResult calculateYearDifference(BedHeight[] pair) {
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129
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130 BedHeightSingle s1 = (BedHeightSingle)pair[0];
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131 BedHeightSingle s2 = (BedHeightSingle)pair[1];
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132
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133 TDoubleArrayList stations = s1.getStations();
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134 int size = stations.size();
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135
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136 TDoubleArrayList diffRes = new TDoubleArrayList(size);
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137 TDoubleArrayList kms = new TDoubleArrayList(size);
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138 TDoubleArrayList morphs = new TDoubleArrayList(size);
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139 TDoubleArrayList absolute = new TDoubleArrayList(size);
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140 TDoubleArrayList gap = new TDoubleArrayList(size);
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141 TDoubleArrayList heights1 = new TDoubleArrayList(size);
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142 TDoubleArrayList heights2 = new TDoubleArrayList(size);
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143
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144 int range = Math.abs(s1.getYear() - s2.getYear());
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145
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146 for (int i = 0; i < size; i++) {
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147 double station = stations.getQuick(i);
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148 double h1 = s1.getHeight(station);
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149 double h2 = s2.getHeight(station);
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150 double hDiff = h1 - h2;
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151
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152 if (!Double.isNaN(hDiff)) {
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153 diffRes.add(hDiff);
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154 kms.add(station);
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155
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156 morphs.add(Math.max(
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157 s1.getMorphWidth(station),
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158 s2.getMorphWidth(station)));
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159
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160 gap.add(Math.max(
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161 s1.getDataGap(station),
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162 s2.getDataGap(station)));
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163
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164 absolute.add((hDiff / range) * 100d);
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165 heights1.add(h1);
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166 heights2.add(h2);
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167 }
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168 }
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169 return new BedDiffYearResult(
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170 kms,
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171 diffRes,
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172 heights1,
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173 heights2,
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174 morphs,
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175 absolute,
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176 gap,
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177 s1.getYear(),
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178 s2.getYear(),
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179 s1.getName(),
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180 s2.getName());
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181 }
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182 }
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